RIB TELESCOPIC MECHANISM FOR AN OUTDOOR SUNSHADE

Abstract

A rib telescopic mechanism for an outdoor sunshade is provided, includes: a mounting holder fixedly connected to a stem and ribs, a screw reducing motor, a nut support and a connecting rod; the screw reducing motor is fixed to a lower end of the mounting holder; a bottom of the mounting holder is defined with a through hole, and a stem of the screw reducing motor being passed through the through hole; and the screw is threaded with a nut support; the mounting holder is defined with mounting grooves that cooperate with the ribs at intervals along a circumference direction, when the nut support moves down along the stem, the ribs open; and when the nut support moves upward along the stem, the ribs close. Thus realizing the automatic opening and closing of the ribs, and no manual operation is required, with simple structure, convenient operation and high stability.

Claims

1. A rib telescopic mechanism for an outdoor sunshade, comprising a mounting holder fixedly connected to a stem and a plurality of ribs, wherein, the rib telescopic mechanism for outdoor sunshade also comprising a screw reducing motor, a nut support and a connecting rod; wherein the screw reducing motor being fixed to a lower end of the mounting holder; and a bottom of the mounting holder being defined with a through hole, and a stem of the screw reducing motor being passed through the through hole; and the screw being threaded with a nut support; and an outer wall of the mounting holder being defined with mounting grooves that cooperate with the ribs at intervals along a circumference direction, an upper end of each rib extends through the mounting grooves and inserts the mounting holder; and the upper end of each rib being hinged with the mounting holder; and the nut support is provided with a connecting portion corresponding to the ribs; connecting rods being provided between the connecting portion and the ribs, two ends of each connecting rod being rotatably connected to the connection part and the upper end of each rib, respectively; and when the nut support moves down along the stem, the ribs open; and when the nut support moves upward along the stem, the ribs close.

2. The rib telescopic mechanism for the outdoor sunshade according to claim 1, wherein each side of the mounting grooves is fixed with a hinging protrusion, the hinging protrusion is defined with a through hole, each connecting rod is configured to pass through the through hole and each rib is fixed between a pair of hinging protrusions correspondingly.

3. The rib telescopic mechanism for the outdoor sunshade according to claim 1, wherein, a center of the nut support is provided with a threaded hole connected to the screw; and the connecting portion is defined with an inner connecting groove that penetrates the screw along an axial direction, the connecting portion is provided with an inner connecting hole perpendicular to the inner connecting groove; and a lower end of the connecting rod extends into the inner connecting groove and is rotatably connected with the connecting portion through an inner rotating shaft; and an inner end of each rib is provided with an outer connecting groove penetrating it vertically, and an inner end of each rib is provided with an outer connecting hole perpendicular to the outer connecting groove; an upper end of the connecting rod is extended into the outer connecting groove and is rotatably connected to a corresponding rib through an outer rotating shaft.

4. The rib telescopic mechanism for the outdoor sunshade according to claim 1, wherein, the mounting holder comprises a supporting part, an inclining part and an mounting part arranged in sequence; wherein the supporting part is circular and inserted into an upper end of a tubular rod; and an upper end of the supporting part is firmly attached to a supporting plate, the through hole is provided on the supporting plate; and the screw reducing motor extends into the supporting part and connects firmly to the supporting plate; and the inclining part is in a circular table shape with a upper part and a lower part, and a size of the upper part is bigger than that of the lower part; the mounting slots are arranged on the mounting portion centered on a central axis of the mounting holder.

5. The rib telescopic mechanism for the outdoor sunshade according to claim 1, wherein, a pulling spring is provided between each connecting rod and the inclining part.

6. The rib telescopic mechanism for the outdoor sunshade according to claim 1, wherein the mounting holder is provided with an upper opening; and a cap is detachable fixed on an upper portion of the mounting holder, and the cap is defined with accommodating holes in coordination with the ribs.

7. The rib telescopic mechanism for the outdoor sunshade according to claim 6, wherein, a center of the cap is provided with a positioning block; and a lower end of the positioning block is fixed connected to a bearing, and the inner ring of the bearing is fixed to the upper end of the screw.

8. The rib telescopic mechanism for the outdoor sunshade according to claim 1, wherein each rib comprises a connector and a main body, an outer end of the connector is fixed to the main body; and a middle part of the connector is hinged with the mounting holder, an inner end of the connector is located inside the mounting holder, and the connector is rotatably connected to the connecting rod.

9. The rib telescopic mechanism for the outdoor sunshade according to claim 8, wherein the main body has a hollow structure, a middle part of the main body is provided with a reinforcing plate, the reinforcing plate separates the main body into an upper cavity and lower cavity; and a lower sidewall of the lower cavity is defined with a slot penetrating the main body in a length direction.

10. The rib telescopic mechanism for the outdoor sunshade according to claim 1, wherein a plurality of the ribs are provided, and the plurality of the ribs are arranged in a circular array around the central axis of the mounting holder.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0020] FIG. 1 is a schematic diagram of an rib telescopic mechanism for an outdoor sunshade according to an embodiment of the present disclosure.

[0021] FIG. 2 is a section view of the rib telescopic mechanism for the outdoor sunshade of FIG. 1.

[0022] FIG. 3 is a enlarged view of A part of FIG. 1.

[0023] FIG. 4 is a first schematic diagram of a mounting holder of the rib telescopic mechanism for the outdoor sunshade of FIG. 1.

[0024] FIG. 5 is a second schematic diagram of the mounting holder of the rib telescopic mechanism for the outdoor sunshade of FIG. 1.

[0025] FIG. 7 is a schematic diagram of a cap of the rib telescopic mechanism for the outdoor sunshade of FIG. 1.

[0026] FIG. 8 is an inner schematic diagram of a rib of the rib telescopic mechanism for the outdoor sunshade of FIG. 1.

[0027] FIG. 9 an outer schematic diagram of the rib of the rib telescopic mechanism for the outdoor sunshade of FIG. 1.

LABELS AND DESCRIPTION

[0028] 1. mounting holder; 11. supporting part; 111, supporting plate; 112, through hole; 12. inclining part; 13. mounting portion; 131. mounting slot; 132, hinging protrusion; 133, hinging shaft; 14, pulling spring; 2, rib; 21, connector; 211, outer connecting groove; 212, outer connecting hole; 213, outer rotating shaft; 22. main body; 221, reinforcing plate; 222, slot; 3, nut support; 31. connecting portion; 311, inner connecting groove; 312, inner connecting hole; 313, inner rotating shaft; 32, threaded hole; 4, connecting rod; 5, screw reducing motor; 51, screw; 6, cap; 61, accommodating hole; 62, positioning block; 63, bearing; 7, tubular rod.

DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The technical solutions in the embodiments of the present disclosure will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure rather than all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative work shall fall within the scope of protection of the present disclosure.

[0030] The present disclosure provides a rib telescopic mechanism for an outdoor sunshade, the rib telescopic mechanism of the outdoor sunshade includes a mounting holder 1 fixedly connected to a stem 7, and a plurality of ribs 2. And also includes a screw reducing motor 5, a nut support 3 and a connecting rod 4. The screw reducing motor 5 is fixed to a lower end of the mounting holder 1. And a bottom of the mounting holder 1 is provided with a through hole 112, and a stem 51 of the screw reducing motor (5) is passed through the through hole (112). The screw 51 is threaded with a nut support 3. An outer wall of the mounting holder 1 is defined with mounting grooves 131 or a mounting holes that cooperate with the ribs 2 at intervals along a circumference direction. An upper end of each rib 2 extends through the mounting grooves 131 or the mounting holes and inserts into the mounting holder 1. And the upper end of rib 2 is hinged with mounting holder 1. The nut support 3 is provided with a connecting portion 31 corresponding to the ribs 2. Connecting rods 4 are provided between the connecting portion 31 and the upper end of the ribs 2. The two ends of each connecting rod 4 are rotationally connected to the connecting portion 31 and the upper ends of the ribs 2, respectively. When the nut support 3 moves down along the stem 51, the ribs 2 open; and when the nut support 3 moves upward along the stem 51, the ribs 2 close. The rib telescopic mechanism drives the open or close of the ribs 2 through the screw reducing motor 5, the nut support 3 and the connecting rods 4, without manual rotation, realizing the automatic opening and closing of the ribs 2, with simple structure, convenient operation and high stability.

[0031] As shown in FIGS. 4 and 5, each side of the mounting grooves 131 is fixed with a hinging protrusion 132, the hinging protrusion 132 is defined with a through hole 134, an connecting rod 4 is configured to pass through the through hole 134 and each rib 2 is fixed between a pair of hinging protrusions 132 correspondingly. And each rib 2 is connected simultaneously through two corresponding hinging protrusions 132. The hinging protrusions 132 protruding from the outer sidewall of the mounting holder 1 can not only articulate with the ribs 2, but also enhance the structural strength of the mounting holder 1. Meanwhile, the hinging protrusions 132 also lead the stem 7 closer to the lower end of the ribs 2 and an angle of the ribs 2 when it is closed, so as to improve the opening and closing of the rib telescopic mechanism.

[0032] As shown in FIGS. 3, 4, 6 and 8, a center of the nut support 3 is provided with a threaded hole 32 connected to the screw 51. The connecting portion 31 is defined with an inner connecting groove 311 running along the screw 51. The connecting portion 31 is provided with an inner connecting hole 312 perpendicular to the inner connecting groove 311. And the lower end of the connecting rod 4 extends into the inner connecting groove 311 and is rotatably connected with the connecting portion 31 through zn inner rotating shaft 313. An inner end of each rib 2 is provided with an outer connecting groove 211 penetrating it vertically, and the inner end of each rib 2 is provided with an outer connecting hole 212 perpendicular to the outer connecting groove 211. And an upper end of the connecting rod 4 is extended into the outer connecting groove 211 and is rotatably connected to a corresponding rib 2 through an outer rotating shaft 213. The design of the inner connecting groove 311 and the outer connecting groove 211 provides better symmetry of the connection part 31 and the inner ends of the ribs 2, avoids the bending variation of the connection part 31 or the rib 2, and avoids the bending variation of the connecting rod 4 when forced in the horizontal direction, which is beneficial to improve the stability of the rib telescopic mechanism and increase the service life.

[0033] As shown in FIG. 5, the mounting holder 1 includes a supporting part 11, an inclining part 12 and a mounting portion 13 in sequence from bottom to top. The supporting portion 11 is circular and inserted into an upper end of a tubular rod 7. And an upper end of the supporting part 11 is firmly attached to a supporting plate 111, the through hole 112 is provided on the supporting plate 111. The screw reducing motor 5 extends into the supporting part 11 and connects firmly to the supporting plate 111. The inclining part 12 is in a circular table shape with a upper part and a lower part, and a size of the upper part is bigger than that of the lower part. The mounting slots 131 are arranged on the mounting portion 13 centered on a central axis of the mounting holder 1. The supporting part 11 is able to insert the inner side of the stem 7, making the connection of the mounting holder 11 and the stem 7 more stable. The design of the inclining part 12 and the mounting portion 13 can make the diameter of the mounting portion 13 greater than that of the supporting portion 11, providing enough space in the mounting portion 13 to accommodate the nut support 3, the connecting rod 4 and the inner ends of the ribs 2, and avoiding interference between the supporting part 11 or the stem 7 and the ribs 2, and improving the opening and closing of the rib telescopic mechanism.

[0034] As shown in FIG. 3, a pulling spring 14 is provided between each connecting rod 4 and the inclining part 12, the pulling spring 14 can be pulled downward. The design of the pulling spring 14 can reduce the load of the screw reducing motor 5, enable the screw reducing motor 5 to better open or close the ribs 2, and a more stable support when the plate ribs 2 is deployed.

[0035] As shown in FIG. 7, the mounting holder 1 is provided with an upper opening, the upper portion of the mounting holder 1 are detachable fixed with a cap 6, and the cap 6 is defined with accommodating holes 61 in coordination with the ribs 2. A center of the cap 6 is provided with a positioning block 62, and a lower end of the positioning block 62 is fixed connected to a bearing 63, and the inner ring of the bearing 63 is fixed to the upper end of the screw 51. The accommodating holes 61 can avoid the ribs 2 touching the cap 6 and the influence of the opening and closing, and improve the stability. The positioning block 62 and the bearing 63 can support the upper end of the screw 51 and avoid the suspension of the upper end of the screw 51, affecting the stability of the opening and closing the ribs 2.

[0036] As shown in FIGS. 8 and 9, each rib 2 includes a connector 21 and the main body 22. The main body 22 is hollow, the outer end of the connector 21 is fixed to the main body 22. A middle part of the connector 21 is hinged with the mounting holder 1, an inner end of the connector 21 is located inside the mounting holder 1, and the connector 21 is rotatably connected to the connecting rod 4. A middle part of the main body 22 is provided with a reinforcing plate 221, the reinforcing plate 221 separates the main body 22 into an upper cavity and lower cavity; a lower sidewall of the lower cavity is defined with a slot 222 penetrating the main body 22 in a length direction. The reinforcing plate 221 enables the structural strength of the main body 22 to better support the umbrella surface. The slot 222 can not only reduce the overall weight of the main body 22, but also able to install ornaments such as the lamp belt.

[0037] Furthermore, a plurality of the ribs 2 are provided, and the plurality of the ribs are arranged in a circular array around the central axis of the mounting holder 1. The ribs 2 provide more uniform force and greater safety and stability on mounting holder 1 and nut support 3.

[0038] The above embodiments are only the preferred embodiment of the disclosure, and not intend to limit the protection scope of the disclosure. Therefore, all the equivalent changes in the structure, shape and principle of the disclosure should be covered within the protection scope defined in the claims of the disclosure.

[0039] The present disclosure provides an rib telescopic mechanism for an outdoor sunshade, which belongs to the technical field of sunshade. The present disclosure solves the existing technical problems that it needs manual operation for opening and closing. The screw reducing motor is fixed to the lower potion of the mounting holder, a nut support is connected with the screw, an upper end of each rib is hinged to the mounting holder, and connecting rods are provided between the connecting portion and the ribs, two ends of each connecting rod is rotatably connected to the connection part and the upper end of each rib. When the nut support moves down along the stem, the ribs open; and when the nut support moves upward along the stem, the ribs close. Thus realizing the automatic opening and closing of the ribs by the screw reducing motor, the nut support and the connecting rod, and no manual operation is required, with simple structure, convenient operation and high stability.

[0040] The above are only some embodiments of the present disclosure, and neither the words nor the drawings can limit the protection scope of the present disclosure. Any equivalent structural transformation made by using the contents of the specification and the drawings of the present disclosure under the overall concept of the present disclosure, or directly/indirectly applied in other related technical fields are included in the protection scope of the present disclosure.