Wheelchair armrest structure convenient to fold

Abstract

The utility model discloses a wheelchair armrest structure convenient to fold. The wheelchair armrest structure comprises a vertical rod piece on a wheelchair and a transverse rod piece welded to the vertical rod piece. The folding chair further comprises a bent rod piece, a folding type supporting assembly, a folding type controller and a handrail piece. The folding type supporting assembly comprises a first plate fixed to one side of the bottom of the bent rod piece, a second plate fixed to the upper portion of the transverse rod piece, a triangular block hinged to the first plate and a connecting rod piece with the two ends hinged to the triangular block and the second plate respectively. The folding controller comprises a third plate fixed to the other side of the bottom of the bent rod, a locking hole formed in the third plate, a connecting column hinged to the third plate, a knob handle arranged on the connecting column and corresponding to the locking hole in position, a console fixed to the connecting column and a hand controller fixed to the console. According to the armrest structure of the wheelchair, the packaging space is saved, and later transportation is facilitated.

Description

Technical Field

[0001] The present application relates to the technical field of wheelchairs, and in particular to a wheelchair armrest structure that is easy to fold. Background Art

[0002] Wheelchairs have been widely used and developed as a means of mobility for the disabled or the elderly and infirm, and have also provided convenience for users' daily travel activities. Currently, there are many types of wheelchairs, which are divided into two types according to their structure: foldable and fixed.

[0003] Some existing folding wheelchairs cannot fold the armrests and the controllers on the armrests, which cannot save packing space and is not conducive to transportation.

[0004] Therefore, it is necessary to invent a wheelchair armrest structure that is easy to fold to solve the above problems. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art, the present application discloses a wheelchair armrest structure that is easy to fold.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the present application is: a wheelchair armrest structure that is easy to fold, including a vertical rod on the wheelchair and a horizontal rod welded to the vertical rod; further comprising a bent rod, a foldable support assembly, a foldable controller and an armrest;

[0007] One end of the curved rod is hinged to the vertical rod;

[0008] The foldable support assembly includes a first plate fixed to one side of the bottom of the bent rod, a second plate fixed above the cross rod, a triangular block hinged to the first plate, and a connecting rod with two ends hinged to the triangular block and the second plate respectively;

[0009] The foldable controller includes a third plate fixed to the other side of the bottom of the bent rod, a locking hole provided on the third plate, a connecting post hinged to the third plate, a knob handle provided on the connecting post and corresponding to the locking hole, a control panel fixed to the connecting post, and a hand controller fixed to the control panel;

[0010] The armrest piece is detachably arranged above the bent rod piece.

[0011] Further preferably, a reinforcement piece is welded between the vertical bar and the horizontal bar.

[0012] Further preferably, a hinge seat is provided on the vertical rod, and one end of the curved rod is connected to the hinge seat via a first hinge shaft.

[0013] It is further preferred that a first hinge groove and a second hinge groove are respectively provided on both sides of the triangular block, the first plate is inserted in the first hinge groove and is hinged to the triangular block through a second hinge axis, and one end of the connecting rod is inserted in the second hinge groove and is hinged to the triangular block through a third hinge axis.

[0014] Further preferably, the other end of the connecting rod is hinged to the second plate via a fourth hinge shaft.

[0015] Further preferably, the connecting column is hinged to the third plate via a fifth hinge shaft.

[0016] Further preferably, an arc-shaped groove cooperating with the bent rod is provided on the top of the triangular block.

[0017] Further preferably, the second plate and the operating table are both L-shaped structures.

[0018] It is further preferred that a U-shaped groove is provided at the bottom of the armrest along its direction, the bent rod is embedded in the U-shaped groove, and a plurality of screws are provided below the bent rod to be locked into the armrest to fix it to the armrest.

[0019] This application achieves the following beneficial effects:

[0020] The present application can conveniently support and fold the armrests on the bent rod through the folding support assembly. In addition, the hand control included in the folding controller can also be folded. This saves packaging space, facilitates later transportation, and has strong practicality.

[0021] Other features and advantages of the present application will be described in the following description, and in part will become apparent from the description, or will be understood by practicing the present application. The purpose and other advantages of the present application can be realized and obtained through the structures indicated in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure of the present application and, together with the description, serve to explain the principles of the disclosure.

[0023] Figure 1 A schematic diagram of the overall structure disclosed in this application;

[0024] Figure 2 This is a schematic diagram of the separation of the handrail and the bent rod disclosed in this application;

[0025] In the figure: 10, vertical rod; 11, hinge seat;

[0026] 20. Crossbars;

[0027] 30. Bent rod; 31. First hinge axis;

[0028] 40. Foldable support assembly; 41. First plate; 42. Second plate; 43. Triangular block; 431. First hinge slot; 432. Second hinge slot; 433. Second hinge axis; 434. Third hinge axis; 435. Arc slot; 44. Connecting rod; 441. Fourth hinge axis;

[0029] 50. Foldable controller; 51. Third plate; 511. Locking hole; 52. Connecting column; 53. Knob handle; 54. Control panel; 55. Hand control; 56. Fifth hinge axis;

[0030] 60. Handrail; 61. U-shaped groove;

[0031] 70. Reinforcement. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0033] In the description of the present application, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present application.

[0034] Example

[0035] In order to solve the problem that the handrail structure in the prior art cannot save packaging space and is not conducive to transportation, refer to Figure 1 and Figure 2 As shown, the present application discloses a wheelchair armrest structure that is easy to fold, including a vertical rod 10 on the wheelchair and a horizontal rod 20 welded to the vertical rod 10; further including a bent rod 30, a foldable support assembly 40, a foldable controller 50 and an armrest 60;

[0036] One end of the curved rod 30 is hinged to the vertical rod 10;

[0037] The foldable support assembly 40 includes a first plate 41 fixed to one side of the bottom of the curved rod 30, a second plate 42 fixed above the cross rod 20, a triangular block 43 hinged to the first plate 41, and a connecting rod 44 with two ends hinged to the triangular block 43 and the second plate 42 respectively;

[0038] When the bent rod 30 is folded, the bent rod 30 is pulled to flip backwards, and with the cooperation of the triangular block 43, the bent rod 30 will be folded on one side of the vertical rod 10;

[0039] The foldable controller 50 includes a third plate 51 fixed to the other side of the bottom of the bent rod 30, a locking hole 511 defined in the third plate 51, a connecting post 52 hingedly connected to the third plate 51, a knob handle 53 disposed on the connecting post 52 and corresponding to the locking hole 511, a control panel 54 fixed to the connecting post 52, and a hand controller 55 fixed to the control panel 54.

[0040] When folding the hand controller 55, the user pulls the knob handle 53 out of the locking hole 511, and then drives the connecting column 52 to rotate 90 degrees. At this time, the hand controller 55 fixed to the control console 54 will be retracted and positioned below the bent rod 30.

[0041] The armrest member 60 is detachably arranged above the bent rod member 30;

[0042] Since the armrest 60 is mounted on the curved bar 30 , when the curved bar 30 is folded, the armrest 60 is also folded accordingly.

[0043] In this embodiment, a reinforcement member 70 is welded between the vertical member 10 and the horizontal member 20 . In this way, the vertical member 10 and the horizontal member 20 have a stronger connection stability.

[0044] In one specific embodiment, a hinge seat 11 is provided on the vertical rod member 10 of the present application, one end of the bent rod member 30 is connected to the hinge seat 11 through a first hinge shaft 31, and a first hinge groove 431 and a second hinge groove 432 are respectively provided on both sides of the triangular block 43. The first plate member 41 is inserted in the first hinge groove 431 and is hinged to the triangular block 43 through the second hinge shaft 433. One end of the connecting rod member 44 is inserted in the second hinge groove 432 and is hinged to the triangular block 43 through the third hinge shaft 434. The other end of the connecting rod member 44 is hinged to the second plate member 42 through the fourth hinge shaft 441, and the connecting column 52 is hinged to the third plate member 51 through the fifth hinge shaft 56.

[0045] In order to achieve a stable fit between the bent rod 30 and the triangular block 43 , the present application provides an arc groove 435 above the triangular block 43 to match the bent rod 30 . When the bent rod 30 is opened, the bent rod 30 will fit in the arc groove 435 .

[0046] In order to meet assembly requirements, the second plate 42 and the operating table of the present application are both L-shaped structures.

[0047] In this embodiment, a U-shaped groove 61 is provided at the bottom of the armrest member 60 along its direction, and the bent rod member 30 is embedded in the U-shaped groove 61. Several screws (not shown) are provided below the bent rod member 30 to lock into the armrest member 60 to fix it to the armrest member 60. In actual use, it is convenient for users to replace the armrest member 60, which has high practicality.

[0048] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0049] The above embodiments are intended only to illustrate the technical concepts and features of this application. Their purpose is to enable those skilled in the art to understand the content of this application and implement it accordingly. They are not intended to limit the scope of protection of this application. Any equivalent changes or modifications made in accordance with the spirit of this application shall be included in the scope of protection of this application.

Claims

1. A wheelchair armrest structure that is easy to fold, comprising a vertical rod (10) on the wheelchair and a horizontal rod (20) welded to the vertical rod (10); characterized in that: It also includes a bent rod member (30), a foldable support assembly (40), a foldable controller (50) and an armrest member (60); One end of the curved rod (30) is hinged to the vertical rod (10); The foldable support assembly (40) comprises a first plate (41) fixed to one side of the bottom of the bent rod (30), a second plate (42) fixed above the cross rod (20), a triangular block (43) hinged to the first plate (41), and a connecting rod (44) with two ends hinged to the triangular block (43) and the second plate (42). The foldable controller (50) comprises a third plate (51) fixed to the other side of the bottom of the bent rod (30), a locking hole (511) provided on the third plate (51), a connecting post (52) hinged on the third plate (51), a knob handle (53) provided on the connecting post (52) and corresponding to the position of the locking hole (511), a control panel (54) fixed on the connecting post (52), and a hand controller (55) fixed on the control panel (54); The armrest member (60) is detachably arranged above the bent rod member (30).

2. The foldable wheelchair armrest structure according to claim 1, characterized in that: A reinforcement member (70) is welded between the vertical member (10) and the horizontal member (20).

3. The foldable wheelchair armrest structure according to claim 1, characterized in that: A hinge seat (11) is provided on the vertical rod (10), and one end of the curved rod (30) is connected to the hinge seat (11) via a first hinge shaft (31).

4. The foldable wheelchair armrest structure according to claim 1, characterized in that: A first hinge groove (431) and a second hinge groove (432) are respectively provided on both sides of the triangular block (43); the first plate (41) is inserted into the first hinge groove (431) and is hinged to the triangular block (43) through a second hinge shaft (433); one end of the connecting rod (44) is inserted into the second hinge groove (432) and is hinged to the triangular block (43) through a third hinge shaft (434).

5. The foldable wheelchair armrest structure according to claim 1, characterized in that: The other end of the connecting rod (44) is hinged to the second plate (42) via a fourth hinge shaft (441).

6. The foldable wheelchair armrest structure according to claim 1, characterized in that: The connecting column (52) is hinged to the third plate (51) via a fifth hinge shaft (56).

7. The foldable wheelchair armrest structure according to claim 1, characterized in that: An arc-shaped groove (435) is provided above the triangular block (43) and matches the bent rod (30).

8. The foldable wheelchair armrest structure according to claim 1, characterized in that: The second plate (42) and the operating table are both L-shaped structures.

9. The foldable wheelchair armrest structure according to claim 1, characterized in that: The bottom of the armrest (60) is provided with a U-shaped groove (61) along the direction thereof, and the bent rod (30) is embedded in the U-shaped groove (61). A plurality of screws are provided below the bent rod (30) to be locked into the armrest (60) to fix the bent rod to the armrest (60).

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