ELECTRIC HEIGHT-ADJUSTABLE DESK

Abstract

An electric height-adjustable desk is provided which comprises a desk board body comprising a desk board, and a frame disposed at the bottom of the desk board, and the desk board and the frame are connected to integrally form the desk board body; a lifting assembly, connected to the bottom of the desk board body, and comprising a transmission rod, two lifting columns and one drive motor, wherein the drive motor is in transmission connection with the two lifting columns through the transmission rod to drive the two lifting columns to ascend and descend; the transmission rod, the two lifting columns and the drive motor are connected to integrally form the lifting assembly; a base, connected to lower ends of the two lifting columns; a groove for embedding the transmission rod is disposed at the bottom of the frame of the desk board body; a manual controller and a human-machine interaction interface of the manual controller is disposed at an outer side wall of the desk board body. The electric height-adjustable desk provided makes the space under the desk board increased to allow users to place legs freely and help users to avoid touching the desk, while being simple in structure and fast in assembly, the manual controller is not easy to be accidentally touched by users to ensure high safety.

Claims

1. An electric height-adjustable desk, wherein it comprises: a desk board body, comprising a desk board, and a frame disposed at the bottom of the desk board, and the desk board and the frame are connected to integrally form the desk board body; a lifting assembly, connected to the bottom of the desk board body, and comprising a transmission rod, two lifting columns and one drive motor, and the drive motor is in transmission connection with the two lifting columns through the transmission rod to drive the two lifting columns to ascend and descend; the transmission rod, the two lifting columns and the drive motor are connected to integrally form the lifting assembly; a base, connected to lower ends of the two lifting columns; and a groove for embedding the transmission rod is disposed at the bottom of the frame of the desk board body; when the lifting assembly is connected to the bottom of the desk board body, the transmission rod is located in the grooves.

2. The electric height-adjustable desk of claim 1, wherein a cross beam is disposed between the two lifting columns, both ends of the cross beam are fixedly connected with upper ends of the two lifting columns respectively, the cross beam is disposed in the grooves of the frame and the transmission rod is disposed in the cross beam.

3. The electric height-adjustable desk of claim 2, wherein a bottom surface of the cross beam is flushed with a bottom surface of the frame.

4. The electric height-adjustable desk of claim 1, wherein a mounting groove is disposed at a side wall of a side of the desk board body close to the user, a drawer is slidably connected in the mounting groove, and the bottom of the drawer is flushed with the bottom of the desk board body.

5. The electric height-adjustable desk of claim 4, wherein the desk board is a glass desk board, the frame is a metal frame, the desk board is fixedly connected to the top of the frame, and a top wall of the drawer is provided with an elastic pad which is elastically abutted against the bottom of the desk board.

6. The electric height-adjustable desk of claim 1, wherein the frame comprises an outer frame and a cross bar connected within the outer frame, and the groove is disposed on the cross bar and penetrated through the bottom of the cross bar.

7. The electric height-adjustable desk of claim 6, wherein a connection rod perpendicular to the cross bar is connected within the outer frame; a connection plate is fixedly connected on the upper end of each lifting column, and the connection plate has a first connection portion fixedly connected with the connection rod and a second connection portion fixedly connected with the bottom of the outer frame; a distance from a side wall of the desk board body close to the user to the connection rod is greater than a distance from a side wall of the desk board body away from the user to the connection rod.

8. The electric height-adjustable desk of claim 1, wherein a pull rod is disposed between the two lifting columns, and both ends of the pull rod are fixedly connected to lower ends of the two lifting columns respectively.

9. The electric height-adjustable desk of claim 1, wherein the electric height-adjustable desk further comprises a controlling unit, the controlling unit comprises a controller and a manual controller, and the controller is in electrical connection with the drive motor and the manual controller; a human-machine interaction interface of the manual controller is disposed at an outer side wall of the desk board body.

10. The electric height-adjustable desk of claim 9, wherein a gap is disposed at an outer side wall of the frame, the manual controller is connected in the gap, and the human-machine interaction interface of the manual controller is in smooth transition with an outer side surface of the frame.

11. The electric height-adjustable desk of claim 10, wherein the gap is disposed at an end of the outer side wall of a side of the frame close to the user.

12. The electric height-adjustable desk of claim 11, wherein the bottom of the manual controller is flushed with the bottom of the frame, and a plane where the human-machine interaction interface of the manual controller is located is flushed with a plane where the outer side wall of the side of the frame close to the user.

13. The electric height-adjustable desk of claim 9, wherein the controller is in electrical connection with the drive motor to control the drive motor to run; a USB charge interface is disposed at the outer side wall of the desk board body, and the USB charge interface is in electrical connection with a circuit of the controller.

14. The electric height-adjustable desk of claim 9, wherein a luminous body is connected on at least one outer side wall of the desk board body, and the luminous body is in electrical connection with the controller so as to be powered to illuminate when the controller controls the drive motor to run.

15. The electric height-adjustable desk of claim 14, wherein the luminous body is an LED lamp strip, the luminous body is disposed at a left side wall and a right side wall of the desk board body and a rear side wall of a side of the desk board body away from the user, and both ends of the luminous body both extend to a front side wall of a side of the desk board body close to the user.

16. The electric height-adjustable desk of claim 15, wherein the luminous body is connected between the desk board and the frame.

Description

BRIEF DESCRIPTIONS OF THE DRAWINGS

[0032] FIG. 1 is a structural schematic diagram of a front of an electric height-adjustable desk according to a first embodiment of the present invention.

[0033] FIG. 2 is a structural schematic diagram of a desk board body of an electric height-adjustable desk according to a first embodiment of the present invention.

[0034] FIG. 3 is a structural schematic diagram of another angle of an electric height-adjustable desk according to a first embodiment of the present invention.

[0035] FIG. 4 is a schematic diagram of an assembly structure of an electric height-adjustable desk according to a first embodiment of the present invention.

[0036] FIG. 5 is a schematic diagram of a front structure of an electric height-adjustable desk according to a second embodiment of the present invention.

[0037] FIG. 6 is a structural schematic diagram of a desk board body of an electric height-adjustable desk according to a second embodiment of the present invention.

[0038] FIG. 7 is a schematic diagram of an assembly structure of an electric height-adjustable desk according to a second embodiment of the present invention.

[0039] FIG. 8 is a schematic diagram of a front structure of an electric height-adjustable desk according to a third embodiment of the present invention.

[0040] FIG. 9 is a structural schematic diagram of a desk board body of an electric height-adjustable desk according to a third embodiment of the present invention.

[0041] FIG. 10 is a schematic diagram of an assembly structure of an electric height-adjustable desk according to a third embodiment of the present invention.

[0042] Reference numerals of the drawings are described below: 1. desk board body, 100. desk board, 101. frame, 102. mounting groove, 103. drawer, 104. outer frame, 105. cross bar, 106. connection rod, 107. groove, 108. gap, 2. lifting assembly, 200. lifting column, 201. cross beam, 202. pull rod, 203. drive motor, 204. transmission rod, 205. connection plate, 206. first connection portion, 207. second connection portion, 3. base, 4. controller, 5. USB charge interface, 6. manual controller, 600. human-machine interaction interface, 7. luminous body.

EMBODIMENTS

[0043] The present invention will be detailed further in conjunction with the accompanying drawings and the specific embodiments.

Embodiment One

[0044] As shown in FIGS. 1-4, the present invention provides an electric height-adjustable height, comprising a desk board body 1. The desk board body 1 comprises a desk board 100 and a frame 101 disposed at the bottom of the desk board 100, and the desk board 100 and the frame 101 are connected to integrally form the desk board body 1; the frame 101 comprises an outer frame 104 and a cross bar 105 connected within the outer frame 104, two cross bars 105 are disposed, and a groove 107 is disposed on the cross bar; a mounting groove 102 is disposed at a side wall of a side of the desk board body close to a user, the mounting groove is located between the two cross bars 105, a drawer 103 is slidably connected in the mounting groove 102, and the bottom of the drawer 103 is flushed with the bottom of the desk board body 1. The drawer 103 is slidably connected through two slide rails which are fixedly connected with inner side walls of the two cross bars; the desk board 100 is a glass desk board, the frame 101 is a metal frame, and the desk board 100 is fixedly connected on the top of the frame 101, an elastic pad (not shown) is disposed on a top wall of the drawer 103, and the elastic pad is elastically abutted against the bottom of the desk board 100.

[0045] The electric height-adjustable desk further comprises a lifting assembly 2, connected with the bottom of the desk board body and comprising a cross beam 201, a transmission rod 204, two lifting columns 200 and one drive motor 203. The drive motor 203 is in transmission connection with the two lifting columns 200 through the transmission rod 204 to drive the two lifting columns 200 to ascend and descend, and the cross beam 201, the transmission rod 204, the two lifting columns 200 and the drive motor 203 are connected together to integrally form the lifting assembly 2. The electric height-adjustable desk further comprises a base 3, connected with lower ends of the two lifting columns 200. A groove 107 for embedding the transmission rod 204 is disposed at the bottom of the frame 101 of the desk board body 1. When the lifting assembly 2 is connected to the bottom of the desk board body 1, the transmission rod 204 is located in the grooves 107. A cross beam 201 is disposed between the two lifting columns 200, and both ends of the cross beam 201 are fixedly connected with upper ends of the two lifting columns 200 respectively. The cross beam 201 is disposed in the grooves 107 of the frame 101 and the transmission rod 204 is disposed in the cross beam 201. A plane of the bottom of the cross beam 201 is flushed with a plane of the bottom of the frame 101. The groove 107 is disposed on the cross bar 105 and penetrated through the bottom of the cross bar 105. A pull rod 202 is disposed between the two lifting columns 200, and both ends of the pull rod 202 are connected with lower ends of the two lifting columns 200 respectively. The lifting column 2 is also called a lifting desk leg comprising an outer pipe and an inner pipe slidably mated in an inner hole of the outer pipe. A linear lifting mechanism, which is also called a linear push rod mechanism, is disposed in an inner hole of the inner pipe. The linear lifting mechanism comprises a screw rod which is rotatably connected to an upper end of the inner pipe through a bearing; a base, thread-connected to the screw rod, where a support pipe is connected at an outer side wall of the base, and a lower end of the support pipe is connected with a lower end of the outer pipe. The screw rod rotates such that the base, together with the support pipe, is moved along a length direction of the screw rod. In this way, the outer pipe slides relative to the inner pipe to enable the lifting column to ascend or descend. The lifting column is an existing product with mature technology, which can be referred to the lifting column disclosed by the publication number CN207659000U and the height-adjustable desk leg disclosed by the publication number CN207626789U. As a result, no detailed descriptions are made to the lifting column in the present invention. The transmission rod 204 is disposed in the cross beam 201, the drive motor 203 is in transmission connection with the transmission rod 204, and both ends of the transmission rod 204 are in transmission connection with the linear lifting mechanism in the two lifting columns respectively.

[0046] As shown in FIG. 2, a connection rod 106 perpendicular to the cross bar 105 is connected in the outer frame 104; a connection plate 205 is fixedly connected on the upper end of each lifting column 200, and the connection plate 205 has a first connection portion 206 fixedly connected with the connection rod 106 and a second connection portion 207 fixedly connected with the bottom of the outer frame 104; a distance from a side wall of the desk board body 1 close to the user to the connection rod 106 is greater than a distance from a side wall of the desk board body 1 away from the user to the connection rod 106. The connection rod 106 is disposed on the frame 101 and the connection plate 205 is disposed on the upper ends of the lifting columns 200, such that the lifting columns 200 and the desk board body 1 can be connected more reliably and stably, where the connection plate 205 has the first connection portion 206 and the second connection portion 207. A controller 4 is connected in the desk board body 1 and is in electrical connection with the drive motor 203 to control the drive motor 203 to run. A USB charge interface 5 is disposed at an outer side wall of the desk board body 1 and is in electrical connection with the controller 4. The USB charge interface 5 is provided for charging a mobile phone.

Embodiment Two

[0047] As shown in FIGS. 5-7, the present invention provides an electric height-adjustable desk, further comprising a controlling unit. The controlling unit comprises a controller 4 and a manual controller 6 and the controller 4 is in electrical connection with the drive motor 203 and the manual controller 6. A human-machine interaction interface 600 of the manual controller 6 is disposed at the outer side wall of the desk board body 1. In this way, unexpected startup of the human-machine interaction interface of the manual controller due to false touch by a user can be avoided, leading to higher safety level. The manual controller 6 is disposed in a gap 108 at the outer side wall of the frame 101, and the human-machine interaction interface 600 of the manual controller 6 is in smooth transition with the outer side surface of the frame 101. Thus, the manual controller 6 is prevented from protruding downwardly from the desk board body. In this case, the false touch of the manual controller by a user can be avoided, and the manual controller and the desk board body can be connected more entirely and more reliably. The gap 108 is disposed at an end of the outer side wall of the frame 101 close to the user, the bottom of the manual controller 6 is flushed with the bottom of the frame 101, and the plane where the human-machine interaction interface of the manual controller 6 is located is flushed with the plane where the outer side wall of the side of the frame 101 close to the user is located. With this disposal, the manual controller is located at a corner of a side of the desk board body close to the user, which further prevents the manual controller from being touched by the user by mistake. The human-machine interaction interface 600 may be a button type operation panel or a touch control display screen. Other technical solutions of this embodiment are similar to embodiment 1 as above and thus will not be repeated herein.

Embodiment Three

[0048] As shown in FIGS. 8-10, the present invention provides an electric height-adjustable desk. A luminous body 7 is connected on at least one outer side wall of the desk board body 1, and the luminous body 7 is in electrical connection with the controller to be powered to illuminate when the controller controls the drive motor to run. The luminous body 7 is an LED lamp strip which is disposed at the left side wall and the right side wall of the desk board body 1 and the rear side wall of a side of the desk board body 1 away from the user, and both ends of the luminous body 7 both extend to the front side wall of a side of the desk board body 1 close to the user. The luminous body 7 is connected between the desk board 100 and the frame 101. Preferably, the luminous body 7 is an LED lamp strip. In this configuration, after the manual controller 6 sends an ascent/descent signal to the controller, the luminous body 7 will illuminate when the drive motor 203 runs. Thus, a strong indication will be given to the user, increasing the entire technical sense of the height-adjustable desk and improving the use experiences of the user. A circuit may control the luminous body 7 to illuminate of different brightness or light of descending or ascending brightness or illuminate of different colors or different brightness according to the ascend or the descent of the height-adjustable desk, or give waning light when the height-adjustable desk ascends to the highest position or descends to the lowest position or the like. Therefore, when the height-adjustable desk ascends or descends, a strong indication can be given to the user, thus increasing the entire technical sense and improving the experiences of the user. Other technical solutions of this embodiment are similar to the embodiment Two and thus will not be repeated herein.

[0049] The above descriptions are merely made to the specific embodiments of the present disclosure and the scope of protection of the present invention is not limited to these embodiments. Any changes or substitutions easily thought of by those skilled in the art within the technical scope disclosed by the present invention shall all fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be indicated by the scope of protection of the claims.