SNAP-IN ASSEMBLY AND MUSIC STAND

Abstract

The embodiments of the present disclosure provide a snap-in assembly, which is applied to a music stand. The snap-in assembly includes a snap-in component, which is configured as a flange structure extending outward along a surface of a sheet music board and a snap-in slot. The snap-in slot includes a first side wall, a second side wall and a slot base. At least one of the first side wall and the second side wall is provided with a protrusion, and a first gap is provided between the protrusion and the slot base. The snap-in component is snapped into the first gap, so that the sheet music board is restricted within the snap-in seat.

Claims

1. A snap-in assembly configured for a music stand, comprising, at least one snap-in component, configured as a flange structure extending outward along a surface of a sheet music board, wherein the flange structure is arranged on a second side of the sheet music board; and a snap-in seat, wherein a top of the snap-in seat is provided with a snap-in slot, the snap-in slot comprises a first side wall, a second side wall and a slot base; at least one of the first side wall and the second side wall is provided with a protrusion, and a first gap is formed between the protrusion and the slot base; and the at least one snap-in component is snapped in the first gap to allow the sheet music board to be restricted on the snap-in seat in response to the sheet music board being inserted and moved to a preset position of the snap-in seat.

2. The snap-in assembly according to claim 1, wherein the first side wall of the snap-in slot is provided with at least one first protrusion, and the second side wall of the snap-in slot is provided with at least one second protrusion; a first side of the sheet music board is provided with at least one first snap-in component, and a second side of the sheet music board is provided with at least one second snap-in component; and the at least one first protrusion is mutually engaged with the at least one first snap-in component, and the at least one second protrusion is mutually engaged with the at least one second snap-in component in response to the sheet music board being located at the preset position of the snap-in seat.

3. The snap-in assembly according to claim 1, wherein a first end of the snap-in slot is provided with a third side wall, the third side wall is connected to at least one of the first side wall, the second side wall, and the slot base; and the third side wall is configured to limit the sheet music board from continuing to move along a first direction in response to the sheet music board moving along the first direction to the preset position of the snap-in seat.

4. The snap-in assembly according to claim 1, wherein a second end of the snap-in slot is provided with an elastic locking plate, a first end of the locking plate is connected to the slot base, and the locking plate is provided with a locking block; the second side of the sheet music board is provided with at least one bayonet; and the locking block and the bayonet are mutually engaged to restrict the movement of the sheet music board in response to the sheet music board being located at the preset position of the snap-in seat.

5. A music stand, comprising: a snap-in assembly and a fixing assembly; wherein the snap-in assembly comprises at least one snap-in component and a snap-in seat; the at least one snap-in component is configured as a flange structure extending outward along a surface of the sheet music board, wherein the flange structure is arranged on a second side of the sheet music board; a top of the snap-in seat is provided with a snap-in slot, the snap-in slot comprises a first side wall, a second side wall and a slot base; at least one of the first side wall and the second side wall is provided with a protrusion, and a first gap is formed between the protrusion and the slot base; the at least one snap-in component is snapped in the first gap to allow the sheet music board to be restricted on the snap-in seat in response to the sheet music board being inserted and moved to a preset position of the snap-in seat; and a first end of the fixing assembly is connected to the snap-in assembly, and a second end of the fixing assembly is connected to a carrier for carrying the music stand.

6. The music stand according to claim 5, wherein the snap-in assembly further comprises an adjusting structure with at least one degree of freedom, and the adjusting structure is configured to adjust an angle of the sheet music board with respect to the snap-in assembly; and a first end of the adjusting structure is connected to the snap-in seat, and a second end of the adjusting structure is connected to a first end of the fixing assembly.

7. The music stand according to claim 6, wherein the adjusting structure comprises a tubular inner sleeve and an outer sleeve; a first end of the inner sleeve is connected to the snap-in seat, an outer wall of the inner sleeve is provided with an external thread, and an outer wall of a second end of the inner sleeve is defined with an opening along its axial direction; the outer sleeve is provided with an internal thread that engages with the external thread; and the opening of the inner sleeve is gradually closed to allow an inner diameter of a port of the second end of the inner sleeve gradually decreases in response to the outer sleeve being screwed into the inner sleeve; the inner diameter of the port of the second end of the inner sleeve gradually increases in response to the outer sleeve being screwed out of the inner sleeve.

8. The music stand according to claim 7, wherein the adjusting structure also comprises a ball joint, the ball joint comprises a connecting rod and a ball disposed on a first end of the connecting rod; the ball is configured to be installed inside the inner sleeve, and the ball in the inner sleeve is configured to be fixed by the outer sleeve; a second end of the connecting rod is connected to a first end of the fixing assembly.

9. The music stand according to claim 6, wherein the fixing assembly comprises a fixing plate and a fastening belt, a first side of the fixing plate is provided with a bending portion, a second side of the fixing plate is provided with at least one strip-shaped hole, and the fastening belt is limited between the strip-shaped hole and the bending portion; and a second end of the adjusting structure is connected to the fixing plate.

10. The music stand according to claim 9, wherein an end of the bending portion is upwardly bent and hook shaped.

11. The music stand according to claim 10, wherein the hook-shaped end is provided with an upwardly bent flange.

12. The music stand according to claim 6, wherein the fixing assembly comprises an arc plate and a locking belt, a first end of the arc plate is connected to a first end of the locking belt, a second end of the arc plate is provided with a locking buckle; the locking belt is provided with a plurality of locking holes, and the fixing assembly adjusts the tightness of the locking belt through engaging the locking buckle with different locking holes; and a second end of the adjusting structure is connected to an outer arc surface of the arc plate.

13. The music stand according to claim 12, wherein an inner arc surface of the arc plate is provided with a gasket.

14. The music stand according to claim 13, wherein the first end of the arc plate is provided with a through hole, a first end of the gasket is connected to a first end of the locking belt, and a second end of the locking belt is configured to pass through the through hole.

15. The music stand according to claim 6, wherein the fixing assembly comprises a first clamping plate, a second clamping plate, a bolt and a nut; the first clamping plate is fixedly connected to a first end of the bolt, the nut is installed on a second end of the bolt, the second clamping plate is provided with a through hole configured for the bolt to pass through, and the second clamping plate is installed on the bolt through the through hole and is restricted between the first clamping plate and the nut; and the nut is configured to adjust the distance between the first clamping plate and the second clamping plate and control the clamping force of the fixing assembly.

16. The music stand according to claim 6, wherein the fixing assembly comprises an interlocking plate, a first end of the interlocking plate is defined with an interlocking interface, the interlocking interface is configured to be interlocked with the carrier, and the second end of the adjusting structure is connected to a second end of the interlocking plate.

17. The music stand according to claim 5, wherein a telescopic structure with adjustable length is provided between the snap-in assembly and the fixing assembly, a first end of the telescopic structure is connected to the snap-in assembly, and a second end of the telescopic structure is connected to the fixing assembly; or a flexible rod is provided between the snap-in assembly and the fixing assembly, a first end of the flexible rod is connected to the snap-in assembly, and a second end of the flexible rod is connected to the fixing assembly.

18. The music stand according to claim 5, wherein the sheet music board further comprises, at least one through hole, proximate to a first side of the sheet music board, wherein the first side and the second side are arranged opposite to each other; and a page ring, arranged by means of the through hole, wherein the page ring is configured to limit the sheet music on the sheet music board.

19. The music stand according to claim 18, wherein the page ring is openable or closable.

20. The music stand according to claim 18, wherein the sheet music board also comprises a loose-leaf page, and the sheet music is configured to be placed in or taken out of the loose-leaf page; and the page ring is configured as openable and configured for the loose-leaf page to be installed.

Description

BRIEF DESCRIPTION OF DRAWINGS

[0006] The description and drawings that constitute a part of the present disclosure are provided for a further understanding of the present disclosure. The illustrative embodiments and their descriptions are provided for explanation but do not constitute improper limitations of the present disclosure.

[0007] FIG. 1 is a schematic structural view of a music stand according to some embodiments.

[0008] FIG. 2 is a schematic structural view of a sheet music board according to some embodiments.

[0009] FIG. 3 is a top view of the sheet music board illustrated in FIG. 2.

[0010] FIG. 4 is a side view of the sheet music board illustrated in FIG. 2.

[0011] FIG. 5 is a schematic structural view of a snap-in seat according to some embodiments.

[0012] FIG. 6 is a top view of the snap-in seat illustrated in FIG. 5.

[0013] FIG. 7 is a cross-sectional view along the AA direction illustrated in FIG. 6.

[0014] FIG. 8 is a schematic structural view of a sheet music board and a snap-in seat assembled according to some embodiments.

[0015] FIG. 9 is a schematic structural view of a snap-in seat with a third side wall.

[0016] FIG. 10 is a schematic structural view of a snap-in seat with a locking plate.

[0017] FIG. 11 is a schematic structural view of a sheet music board with a snap-in component.

[0018] FIG. 12 is a schematic view of a sheet music board snapping in a snap-in seat according to some embodiments.

[0019] FIG. 13 is a schematic view of a sheet music board snapped in a snap-in seat according to some embodiments.

[0020] FIG. 14 is a schematic structural view of a sheet music board according to some embodiments.

[0021] FIG. 15 is a schematic view of the sheet music board illustrated in FIG. 14 with a loose-leaf and a sheet music.

[0022] FIG. 16 is a schematic structural view of a loose-leaf and a sheet music according to some embodiments.

[0023] FIG. 17 is a schematic structural view of a page ring according to some embodiments.

[0024] FIG. 18 is a schematic structural view of a music stand according to some embodiments.

[0025] FIG. 19 is a schematic cross-sectional structural view of the music stand illustrated in FIG. 18.

[0026] FIG. 20 is an exploded schematic view of the music stand shown FIG. 18.

[0027] FIG. 21 is a schematic structural view of a music stand, including a second fixing structure, according to some embodiments.

[0028] FIG. 22 is an exploded view of a second fixing structure according to some embodiments.

[0029] FIG. 23 is a schematic structural view of a music stand, including a telescopic structure, according to some embodiments.

[0030] FIG. 24 is a schematic structural view of a music stand, including a flexible rod, according to some embodiments.

[0031] FIG. 25 is a schematic structural view of a third fixing structure according to some embodiments.

[0032] FIG. 26 is a schematic structural view of a fourth fixing structure according to some embodiments.

[0033] FIG. 27 is a schematic structural view of a music stand with a rotating shaft structure according to some embodiments.

DETAILED WAY

[0034] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with various embodiments. Each example is provided to explain but not limit the present disclosure. In fact, it will be clear to those of ordinary skill that modifications and variations may be made without departing from the scope or spirit of the present disclosure. For example, a feature shown or described as part of one embodiment may be used according to another embodiment to produce yet another embodiment. Therefore, it is intended that the present disclosure includes such modifications and variations within the scope of the appended claims and their equivalents.

[0035] In the description of the present disclosure, the terms longitudinal, lateral, upper, lower, front, back, left, right, vertical, horizontal, top, bottom and the like indicate the orientational or positional relationship based on the orientational or positional relationship illustrated in the drawings, which is only for the convenience of describing and does not require the present disclosure to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present disclosure. The terms connected, connecting and arranged used in the present disclosure should be understood in a broad sense. For example, it may be a fixed connection or a detachable connection; it may be directly connected or indirectly connected through an intermediate component; it may also be a wired electrical connection, a radio connection, or a wireless signal connection. For those of ordinary skill in the art, the specific meanings of the above terms may be understood according to the specific circumstances.

[0036] One or more examples of the present disclosure are illustrated in the attached drawings. Numbers and letter signs are used in the detailed description to refer to features in the drawings. Similar signs in the drawings and descriptions have been configured to refer to similar parts of the present disclosure. As used herein, the terms first, second and third are used interchangeably to distinguish one component from another and are not intended to indicate the position or importance of individual components.

[0037] As illustrated in FIG. 1, the embodiments of the present disclosure provide a snap-in assembly 20 for a music stand. The snap-in assembly 20 is configured to achieve a detachable connection between a sheet music board 10 and a fixing assembly 30. A plurality of sheet music 50 may be placed on the sheet music board 10, and a frame is configured to support the sheet music board 10.

[0038] As illustrated in FIG. 2 to FIG. 4, the snap-in assembly 20 includes a snap-in component arranged on the sheet music board 10. The sheet music board 10 includes a panel 101, and the panel 101 includes a first side 1016 and a second side 1017. The first side 1016 is arranged opposite to the second side 1017. The snap-in component includes a flange extending outwardly along a surface of the panel 101. A height of the flange is H, and the snap-in component is arranged on the second side 1017 of the panel 101. In some embodiments, a first snap-in component 1061 and a third snap-in component 1063 are arranged on a first surface of the panel 101, and the first snap-in component 1061 and the third snap-in component 1063 are arranged symmetrically at the center point of the second side 1017 of the panel 101. A second surface of the panel 101 is provided with a second snap-in component 1062 and a fourth snap-in component 1064, the second snap-in component 1062 is symmetrically arranged with the first snap-in component 1061, and the third snap-in component 1063 is symmetrically arranged with the fourth snap-in component 1064.

[0039] As illustrated in FIG. 5 to FIG. 7, in some embodiments, the snap-in assembly 20 includes a snap-in seat 201, a top of the snap-in seat 201 is defined with a snap-in slot, and the snap-in slot includes a first side wall 2011 and a second side wall 2012. A first protrusion 2031 and a second protrusion 2032 are provided on a first end of the snap-in slot. A first end of the first protrusion 2031 is connected to the first side wall 2011; a first end of the second protrusion 2032 is connected to the second side wall 2012. A second gap G1 is formed between a second end of the first protrusion 2031 and a second end of the second protrusion 2032. A first gap G2 is provided between the first protrusion 2031 and a slot base 2013 of the snap-in slot and is also formed between the second protrusion 2032 and the slot base 2013 of the snap-in slot. A second end of the snap-in slot is provided with a third protrusion 2033 and a fourth protrusion 2034. A first end of the third protrusion 2033 is connected to the first side wall 2011, and a first end of the fourth protrusion 2034 is connected to the second side wall 2012. The second gap G1 is formed between a second end of the third protrusion 2033 and a second end of the fourth protrusion 2034. The first gap G2 is formed between the third protrusion 2033 and the slot base 2013 of the snap-in slot and is also formed between the fourth protrusion 2034 and the slot base 2013 of the snap-in slot.

[0040] As illustrated in FIG. 8, when the panel 101 is inserting into the snap-in seat 201, the second side 1017 of the panel 101 abuts against the slot base 2013 of the snap-in slot and is inserted from the first end or the second end of the snap-in slot. During the panel 101 being snapped in the snap-in seat 201, the panel 101 is inserted into the second gap of the snap-in seat 201 by means of transition fit. The snap-in component is snapped into the first gap by means of transition fit. As illustrated in FIG. 7, a thickness of the panel 101 is T, a width of the second gap is G1, TG1 or TG1, and the panel 101 may pass through the second gap. A height of the snap-in component is H, a width of the first gap is G2, HG2 or HG2, and the snap-in component may pass through the first gap.

[0041] When the panel 101 moves to a preset position of the snap-in seat 201, the first snap-in component 1061 is engaged with the first protrusion 2031, the second snap-in component 1062 is engaged with the second protrusion 2032, the third snap-in component 1063 is engaged with the third protrusion 2033, and the fourth snap-in component 1064 is engaged with the fourth protrusion 2034. Through the engaging and matching between the four snap-in components and the four protrusions, the panel 101 is limited above the snap-in seat 201.

[0042] In some embodiments, one pair of the above four snap-in components and the four protrusions may be optionally retained. For example, the first snap-in component 1061 and the first protrusion 2031 may be retained, and the above second gap is the gap between the second end of the first snap-in component 1061 and the second side wall of the snap-in slot.

[0043] In some embodiments, as illustrated in FIG. 9, the first end of the snap-in slot is provided with a third side wall 2014, and the third side wall 2014 is connected to at least one of the first side wall 2011, the second side wall 2012 and the slot base 2013 of the snap-in slot. The third side wall 2014 is defined with a second notch 205 to allow the panel 101 to pass through, and a maximum width of the second notch 205 is at least less than a width of the third side wall 2014. The panel 101 is inserted into the snap-in seat 201 from the second end of the snap-in slot, and the third side wall 2014 is configured to limit the panel 101 from moving to the above-mentioned preset position and preventing it from moving further, so that the panel 101 is limited above the snap-in seat 201 by the snap-in components, the protrusions, and the third side wall 2014.

[0044] In some embodiments, as illustrated in FIG. 10, a locking plate 204 is provided on the second end of the snap-in slot, a first end of the locking plate 204 is connected to the slot base 2013 of the snap-in slot, and a locking block 2041 is provided on a top of the locking plate 204. A second end of the locking plate 204 may be bent under an external force and may be restored to its original position when the external force is withdrawn. As illustrated in FIG. 11, the second side 1017 of the panel 101 is defined with a first bayonet 1051 and a second bayonet 1052, and the first bayonet 1051 and the second bayonet 1052 are arranged symmetrically about the center point of the second side 1017. As illustrated in FIG. 12 and FIG. 13, when the panel 101 is inserted from the second end of the snap-in seat 201 and moved to the above-mentioned preset position, the first snap-in component 1061 is engaged with the third protrusion 2033, and the third snap-in component 1063 is engaged with the first protrusion 2031. Meanwhile, the locking block 2041 extends into the first bayonet 1051 and locks with each other, so that the panel 101 is restricted above the snap-in seat 201 by the snap-in component and the protrusions as well as the first bayonet 1051 and the locking block 2041.

[0045] In FIG. 13, if the panel 101 needs to be removed from the snap-in seat, the locking plate 204 needs to be pulled to separate the locking block 2041 from the first bayonet 1051, and then the panel 101 may be pulled out. In FIG. 13, the first end of the snap-in seat is provided with the third side wall 2014, so the panel 101 needs to be pulled out from the second end of the snap-in seat. If there is no third side wall 2014, the panel 101 may be pulled out from either end of the snap-in seat.

[0046] In some embodiments, only one of the first bayonet 1051 or the second bayonet 1052 may be kept on the panel 101. When the panel 101 with only one bayonet is inserted into the snap-in seat 201, the insertion direction of the panel 101 needs to be considered.

[0047] As illustrated in FIG. 14, the panel 101 is defined with two through holes 1011, both of which are proximate to the first side 1016 and separated along the longitudinal direction of the first side 1016. Each through hole 1011 is mounted with an openable page ring 102. In some embodiments, the sheet music 50 is provided with a hole for the page ring 102 to pass through, and the sheet music 50 may be placed on the panel 101 through the page ring 102.

[0048] As illustrated in FIG. 15 and FIG. 16, in some embodiments, the sheet music board 10 also includes a loose-leaf 60, which is defined with a hole for the page ring 102 to pass through. The loose-leaf 60 may be placed on the panel 101 through the page ring 102. The sheet music 50 may be placed in or taken out of the loose-leaf 60 as needed, and the sheet music 50 is restricted on the panel 101 through the loose-leaf 60.

[0049] As illustrated in FIG. 17, in some embodiments, the page ring 102 includes a first half ring 1021 and a second half ring 1022. A first end of the first half ring 1021 and a first end of the second half ring 1022 are rotatably connected; a second end of the first half ring 1021 and a second end of the second half ring 1022 may be opened or closed as needed. In some embodiments, each of the second end of the first half ring 1021 and the second end of the second half ring 1022 is provided with a lock 1024 that may be locked to each other.

[0050] As illustrated in FIG. 15 and FIG. 17, in some embodiments, the panel 101 is provided with at least one page clip 103 for limiting the position of the sheet music 50 on the panel 101. In some embodiments, the page clip 103 is a stripped structure with elasticity, a first end 1033 of the page clip 103 is limited on the panel 101, and a second end 1034 of the page clip 103 may be arranged as proximate to or away from the surface of the panel 101.

[0051] The embodiments of the present disclosure provide a music stand, which includes the above-mentioned snap-in component 20 and the fixing assembly 30, and a snap-in board arranged on the snap-in component. The fixing assembly 30 is arranged below the snap-in component 20. The first end of the fixing assembly 30 is connected to the snap-in seat 201, and the second end of the fixing assembly 30 is fixedly connected to the carrier for installing the music stand.

[0052] In some embodiments, as illustrated in FIG. 1, the first end of the fixing assembly 30 is connected to a bottom of the snap-in seat 201 through a connecting rod 305.

[0053] In some embodiments, the bottom of the snap-in seat 201 is provided with an adjusting structure 206 with at least one degree of freedom, and the first end of the fixing assembly 30 is connected to the adjusting structure 206. The viewing angle of the sheet music board 10 may be adjusted by the adjusting structure 206.

[0054] In some embodiments, as illustrated in FIG. 18 to FIG. 20, the adjusting structure 206 includes a tubular inner sleeve 2061 and an outer sleeve 2062. A first end of the inner sleeve 2061 is fixedly connected to the bottom of the snap-in seat 201. An outer wall of the inner sleeve 2061 is provided with an external thread, the inner sleeve is defined with a cavity 2063, and an outer wall of a second end of the inner sleeve 2061 is defined with an opening along its axial direction. The outer sleeve 2062 is provided with an internal thread that engages with the external thread of the inner sleeve 2061, and the outer sleeve 2062 is threadedly connected to the inner sleeve 2061. During the process of tightening the outer sleeve 2062 and the inner sleeve 2061, the opening of the inner sleeve 2061 is gradually closed, so that the inner diameter of the port of the second end of the inner sleeve 2061 gradually decreases; otherwise, the inner diameter of the port of the second end of the inner sleeve 2061 gradually increases.

[0055] In some embodiments, the adjusting structure 206 also includes a ball joint 207, and the ball joint 207 includes a connecting rod 2071 and a ball 2072 arranged on the first end of the connecting rod 2071. The ball 2072 of the ball joint 207 may be optionally installed in the cavity 2063 of the inner sleeve 2061, and the friction between an inner wall of the cavity 2063 and the ball 2072 is adjusted by the outer sleeve 2062, thereby limiting the mobility of the ball joint 207 on the adjusting structure 206. The snap-in assembly 20 and the fixing assembly 30 may be detachably connected through the outer sleeve 2062. The tightness of the ball joint 207 in the cavity 2063 may also be controlled to facilitate adjusting the angle of the sheet music board 10 with respect to the music stand and locking the sheet music board 10 at the above angle.

[0056] In some embodiments, a bowl 2073 is provided on a bottom of the cavity 2063, and the bowl 2073 is defined with a spherical inner concave surface, and the spherical inner concave surface faces the ball 2072 of the ball joint 207. The bowl 2073 may make the ball 2072 rotate more smoothly in the inner sleeve 2061.

[0057] In some embodiments, the fixing assembly 30 includes a first fixing structure 301, which includes a fixing plate 3011 and a fastening belt 3012. A first side of the fixing plate 3011 is provided with a bending portion, and a second side is defined with two strip-shaped holes 3015. A second end of the connecting rod 2071 of the ball joint 207 is fixedly mounted on the fixing plate 3011. A horizontal plate 3016 is provided within the strip-shaped hole 3015, and the horizontal plate 3016 divides the strip-shaped hole 3015 into two independent holes. An end of the fastening belt 3012 may pass through one of the holes and then pass through the other hole to achieve fixed installation between the fastening belt 3012 and the strip-shaped holes 3015. The two strip-shaped holes 3015 are arranged symmetrically with respect to the center of the second side of the fixing plate 3011. An end of the bending portion is an upwardly bent and hook shaped. A first end of the fixing belt is fixedly mounted through one of the strip-shaped holes 3015, and a second end of the fixing belt is fixedly mounted through the other strip-shaped hole 3015 after passing through an upper part of the bending portion.

[0058] In some embodiments, the end of the above-mentioned hook-shaped structure is further provided with a flange 3014 that is further bent upward to reduce the risk of the fastening belt 3012 falling off the bending portion.

[0059] In some application scenarios, the first fixing structure 301 may be fixedly placed on the arm of a performer, and the performer may change the angle of the adjusting structure 206 as needed, thereby adjusting the angle of the sheet music board 10 with respect to the adjusting structure 206.

[0060] In some embodiments, as illustrated in FIG. 21, the fixing assembly 30 includes a second fixing structure 302. The second fixing structure 302 includes an arc plate 3021 and a locking belt 3023. A second end of the connecting rod 2071 of the ball joint 207 is fixedly mounted on an outer arc surface of the arc plate 3021. A first end of the arc plate 3021 is connected to a first end of the locking belt 3023, and a second end of the arc plate 3021 is provided with a locking buckle 3022. The locking belt 3023 is defined with a plurality of locking holes 3024, and the plurality of locking holes 3024 are distributed along the longitudinal direction of the locking belt 3023. The second fixing structure 302 adjusts the fixation strength of the locking belt 3023 by engaging the locking buckle 3022 with different locking holes 3024.

[0061] In some embodiments, an inner arc surface of the arc plate 3021 is provided with a gasket 3025. The gasket 3025 may provide a buffer for fixing and may also increase the friction force during fixing. In some embodiments, as illustrated in FIG. 22, the first end of the arc plate 3021 is defined with a through hole 3028. A first end of the gasket 3025 is connected to the first end of the locking belt 3023, and the second end of the locking belt 3023 may pass through the through hole 3028.

[0062] In some application scenarios, the second fixing structure 302 may be fixedly mounted on the tubular instrument, and the performer may change the angle of the adjusting structure 206 as needed, thereby adjusting the angle of the sheet music board 10 mounted on the adjusting structure 206.

[0063] As illustrated in FIG. 23, in some embodiments, the second end of the connecting rod 2071 of the ball joint 207 may be optionally provided with a telescopic structure 3026 with adjustable length. A first end of the telescopic structure 3026 is connected to the outer arc surface of the arc plate 3021, and a second end is connected to the second end of the connecting rod 2071 of the ball joint 207.

[0064] As illustrated in FIG. 24, in some embodiments, the second end of the connecting rod 2071 of the ball joint 207 may be optionally provided with a bendable flexible rod 3027. A first end of the flexible rod 3027 is connected to the outer arc surface of the arc plate 3021, and a second end is connected to the second end of the connecting rod 2071 of the ball joint 207.

[0065] In some embodiments, as illustrated in FIG. 25, the fixing assembly 30 includes a third fixing structure 303, and the third fixing structure 303 includes a first clamping plate 3031 and a second clamping plate 3032. The second end of the connecting rod 2071 of the ball joint 207 is connected to a first end of the first clamping plate 3031 through a flexible rod 3035. A bolt 3033 is provided on one side of the first clamping plate proximate to its first end, and a first end of the bolt 3033 is fixedly connected to the first clamping plate 3031. The second clamping plate 3032 is defined with a through hole, and the through hole is proximate to the first end of the second clamping plate 3032. When the first clamping plate 3031 is being assembled with the second clamping plate 3032, two ends of the first clamping plate 3031 are correspondingly assembled with two ends of the second clamping plate 3032, the bolt 3033 may pass through the through hole, and then a nut 3034 for adjustment may be installed on a second end of the bolt 3033. The nut 3034 is configured to adjust the distance between the second end of the first clamping plate 3031 and the second end of the second clamping plate 3032, thereby controlling the clamping force of the third fixing structure 303.

[0066] In some embodiments, as illustrated in FIG. 26, the fixing assembly 30 includes a fourth fixing structure 304, and the fourth fixing structure 304 includes an interlocking plate 3041, and a first end of the interlocking plate 3041 is provided with an interlocking interface 3042. The second end of the connecting rod 2071 of the ball joint 207 is connected to a second end of the interlocking plate 3041 through the flexible rod 3027. The fourth fixing structure is interlocked with the carrier through the interlocking interface 3042.

[0067] In some embodiments, as illustrated in FIG. 27, the adjusting structure 206 may be implemented by a rotating shaft structure 208 with two degrees of freedom. A top of the rotating shaft structure 208 may adjust the horizontal angle, and a bottom of the rotating shaft structure may rotate in the horizontal direction. A first end of the rotating shaft structure 208 is connected to the snap-in seat 201, and a second end is connected to the fixing assembly 30.

[0068] Compared with the related art, the embodiments of the present disclosure provide a detachable music stand. The sheet music board may be assembled or disassembled with the fixing assembly by means of the snap-in assembly, which shows better flexibility. Second, the music stand is small and light, which is easy to carry and is particularly suitable for traveling performances. Third, the music stand may also be equipped with different fixing assemblies according to different musical instruments. Fourth, the embodiments of the present disclosure also provide an adjusting structure, which is arranged on the snap-in assembly, and the adjustment assembly provides adjustment capability with at least one degree of freedom, so that the performer may adjust the viewing angle of the sheet music board as needed.

[0069] The above description is only some embodiments of the present disclosure and is not intended to limit the present disclosure. For those of ordinary skill in the art, the present disclosure may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure shall be included in the protection scope of the present disclosure.