Detachable wheelchair pedal

Abstract

The utility model discloses a detachable wheelchair pedal which comprises a wheelchair front branch pipe and a pedal connecting pipe, a height-adjustable sleeve is sleeved on the wheelchair front branch pipe, a first fixing plate and a second fixing plate are fixedly arranged on the sleeve, and the first fixing plate and the second fixing plate are distributed up and down. A first pin shaft and a second pin shaft are arranged at the same positions of the upper surfaces of the first fixing plate and the second fixing plate respectively, and a connecting shaft is arranged at the bottom of the pedal connecting pipe. Due to the fact that the sleeve is connected with the wheelchair front supporting pipe in the up-down sliding mode, the height of the sleeve can be flexibly adjusted conveniently, the height of the pedal can be adjusted conveniently and flexibly according to patients with different leg lengths, the feet of the patients can be placed on the pedal comfortably, and the comfort of the patients is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of wheelchairs, and in particular relates to a detachable wheelchair footrest. Background Art

[0002] A wheelchair is an important tool for rehabilitation. It is not only a means of transportation for the physically disabled, but more importantly, it enables them to exercise and participate in social activities with the help of a wheelchair. The footrest of a wheelchair is an important component of the wheelchair. The footrest of an existing wheelchair is an integral design of the wheelchair, and the footrest cannot be removed from the wheelchair. When the footrest is no longer needed, the footrest cannot be removed.

[0003] Although there are detachable wheelchair footrests, the height of the footrest on the front branch pipe of the wheelchair cannot be flexibly adjusted, so the height of the footrest cannot be flexibly adjusted according to patients with different leg lengths, making it uncomfortable for patients to use. In addition, the connection between the footrest connecting tube and the front branch pipe of the wheelchair is a movable connection, which is prone to wear and tear and is easily damaged after long-term use. When damaged, the entire footrest needs to be replaced, which is costly. Utility Model Content

[0004] The purpose of the utility model is to provide a detachable wheelchair footrest to solve the technical problems raised in the background technology.

[0005] To achieve the above-mentioned object, the specific technical solution of the present invention is as follows: A detachable wheelchair footrest comprises a wheelchair front branch pipe and a footrest connecting pipe, the wheelchair front branch pipe is sleeved with a height-adjustable sleeve, two first fixing plates and a second fixing plate are fixedly provided on the sleeve, the first fixing plate and the second fixing plate are respectively provided with a first pin and a second pin at the same position on the upper surface, the bottom of the footrest connecting pipe is provided with a connecting shaft, the footrest is rotatably connected to the connecting shaft, the top of the footrest connecting pipe is respectively provided with two first transverse tubes and a second transverse tube distributed up and down, the ends of the first transverse tube and the second transverse tube are respectively provided with a first connector and a second connector detachably connected thereto, the side wall of the first connector is provided with a first connecting plate, the surface of the first connecting plate is provided with a first socket distributed corresponding to the first pin, the end of the second connector is provided with a second connecting plate, the surface of the second connecting plate is provided with a second socket distributed corresponding to the second pin, and the second connecting plate is provided with a locking structure.

[0006] Preferably, the surface of the front branch pipe of the wheelchair is provided with a plurality of first through holes distributed at equal intervals along its length direction, and the surface of the sleeve is provided with two first mounting holes distributed up and down and corresponding to the first through holes, and the first mounting holes are fixedly connected to each other by bolts and nuts.

[0007] Preferably, the two first mounting holes are located between the first fixing plate and the second fixing plate.

[0008] Preferably, the surface of the front branch pipe of the wheelchair is provided with a limiting groove along its length direction, and the inner wall of the sleeve is provided with a limiting strip distributed corresponding to the limiting groove, and the limiting strip is slidably connected to the limiting groove.

[0009] Preferably, the upper and lower surfaces of the first connecting head are provided with card slots, and the middle part of the end of the first connecting head is provided with a slot, the end of the first cross tube is provided with an insert block corresponding to the slot, and the end of the first cross tube is provided with a card plate corresponding to the card slot on the upper and lower sides of the insert block, the size of the insert block is consistent with the size of the slot, the size of the card plate is consistent with the size of the card slot, and the connection structure between the second connecting head and the second cross tube is the same as the connection structure between the first connecting head and the first cross tube.

[0010] Preferably, the surface of the first connector is provided with two second through holes that pass through the card slot and the slot, and the surface of the card plate is provided with two second mounting holes that are distributed corresponding to the second through holes and pass through the card plate and the plug-in block, and the second mounting holes are fixedly connected to the second through holes by bolts and nuts.

[0011] Preferably, the locking structure includes a locking block, which is a U-shaped structure, and the size of the U-shaped mouth of the locking block is consistent with the sum of the thicknesses of the second connecting plate and the second fixed plate. One end of the locking block is rotatably connected to the second connecting plate through a connecting pin, and a locking pin is provided in the other end of the locking block. The second fixed plate is away from the second pin shaft and is provided with a locking mouth corresponding to the locking pin. A toggle block is provided on the surface of the locking block.

[0012] The detachable wheelchair footrest of the utility model has the following advantages:

[0013] 1. The utility model provides a sleeve that is slidably connected to the front branch of the wheelchair up and down, thereby facilitating flexible adjustment of the height of the sleeve, thereby realizing adjustment of the footrest height, and facilitating flexible adjustment according to patients with different leg lengths, so that the patient's feet can be comfortably placed on the footrest, greatly improving the patient's comfort. Through the cooperation between the limiting groove and the limiting strip, the sleeve can play a good limiting role when it is slidably connected to the front branch of the wheelchair up and down, so that the sleeve cannot rotate on the front branch of the wheelchair, so that the first mounting hole and the first through hole are always on the same plane, which facilitates the alignment of the first mounting hole and the first through hole.

[0014] 2. The utility model facilitates the disassembly and installation of the pedal connecting tube and the first connecting head and the second connecting head through the cooperation between the first connecting head and the first transverse tube and the cooperation between the second connecting head and the second transverse tube. Since the connections between the first connecting head and the second connecting head and the first fixing plate and the second fixing plate are prone to multiple frictions and are vulnerable parts, when the first connecting head and the second connecting head are damaged, it is only necessary to remove the first connecting head and the second connecting head from the pedal connecting tube for replacement, which greatly reduces costs and has strong practicality.

[0015] 3. The utility model provides a detachable connection between the pedal connecting pipe and the front branch pipe of the wheelchair, thereby greatly reducing the volume of the wheelchair, facilitating its transportation and storage, and being simple and quick to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is an exploded view of the sleeve and the front branch pipe of the wheelchair in the present invention;

[0019] Figure 3 This is a structural diagram of the pedal connecting pipe in the utility model.

[0020] Explanation of the marks in the figure: 1. Front branch pipe of the wheelchair; 2. Sleeve; 3. Footrest connecting pipe; 4. Connecting shaft; 5. Footrest; 6. First transverse pipe; 7. Second transverse pipe; 8. First connector; 9. Second connector; 10. First connecting plate; 11. Second connecting plate; 12. First fixing plate; 13. Second fixing plate; 14. First pin; 15. Second pin; 16. Limiting groove; 17. First through hole; 18. Limiting strip; 19. First mounting hole; 20. Locking mouth; 21. Insert block; 22. Clamping plate; 23. Second mounting hole; 24. Clamping groove; 25. Second through hole; 26. First socket; 27. Second socket; 28. Locking block; 29. ​​Locking pin. DETAILED DESCRIPTION

[0021] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0022] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0023] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0024] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0025] The disclosure below provides many different embodiments or examples for implementing different structures of the embodiments of the present invention. In order to simplify the disclosure of the embodiments of the present invention, the components and settings of specific examples are described below. Of course, these are merely examples and are not intended to limit the embodiments of the present invention. In addition, the embodiments of the present invention may repeat reference numbers and / or reference letters in different examples. Such repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or settings discussed.

[0026] In order to better understand the purpose, structure and function of the present invention, the following is a further detailed description of a detachable wheelchair footrest of the present invention in conjunction with the accompanying drawings.

[0027] like Figure 1-3As shown, a detachable wheelchair footrest of the present invention includes a front branch pipe 1 of the wheelchair and a footrest connecting pipe 3. The front branch pipe 1 of the wheelchair is sleeved with a height-adjustable sleeve 2. The surface of the front branch pipe 1 of the wheelchair is provided with a plurality of first through holes 17 distributed at equal intervals along its length direction. The surface of the sleeve 2 is provided with two first mounting holes 19 distributed up and down and corresponding to the first through holes 17. The first mounting holes 19 are fixedly connected to the first through holes 17 by bolts and nuts. The two first mounting holes 19 are located between the first fixing plate 12 and the second fixing plate 13. By arranging the sleeve 2 to be slidably connected to the front branch pipe 1 of the wheelchair up and down, it is convenient to flexibly adjust the height of the sleeve 2, thereby realizing the adjustment of the height of the footrest 5, which is convenient for flexible adjustment according to patients with different leg lengths, so that the patient's feet can be comfortably placed on the footrest 5, greatly improving the patient's comfort, and with the cooperation of the first mounting holes 19 and the first through holes 17, the height adjustment of the sleeve 2 is simple and convenient. A limiting groove 16 is provided on the surface of the front branch pipe 1 of the wheelchair along its length direction, and a limiting strip 18 is provided on the inner wall of the sleeve 2 corresponding to the limiting groove 16. The limiting strip 18 is slidably connected to the limiting groove 16. Through the cooperation between the limiting groove 16 and the limiting strip 18, the sleeve 2 can play a good limiting role when it is slidably connected to the front branch pipe 1 of the wheelchair up and down, so that the sleeve 2 cannot rotate on the front branch pipe 1 of the wheelchair, so that the first mounting hole 19 and the first through hole 17 are always on the same plane, which is convenient for aligning the first mounting hole 19 with the first through hole 17.

[0028] The sleeve 2 is fixed with two first fixing plates 12 and second fixing plates 13 distributed up and down, and the first fixing plate 12 and the second fixing plate 13 are respectively provided with a first pin 14 and a second pin 15 at the same position on the upper surface. The bottom of the pedal connecting tube 3 is provided with a connecting shaft 4, and the connecting shaft 4 is rotatably connected to the pedal 5. The top of the pedal connecting tube 3 is respectively provided with two first transverse tubes 6 and second transverse tubes 7 distributed up and down, and the ends of the first transverse tube 6 and the second transverse tube 7 are respectively provided with a first connector 8 and a second connector 9 that are detachably connected thereto. The upper and lower surfaces of the first connector 8 are provided with The card slot 24 is provided, and a slot is provided at the middle part of the end of the first connector 8. The end of the first transverse tube 6 is provided with an insert block 21 corresponding to the slot, and the end of the first transverse tube 6 is located on the upper and lower sides of the insert block 21. A card plate 22 corresponding to the card slot 24 is provided. The size of the insert block 21 matches the size of the slot, and the size of the card plate 22 matches the size of the card slot 24. The connection structure between the second connector 9 and the second transverse tube 7 is the same as the connection structure between the first connector 8 and the first transverse tube 6. The surface of the first connector 8 is provided with two second through holes 25 that penetrate the card slot 24 and the slot. The card plate The surface of 22 is provided with two second mounting holes 23 corresponding to the second through holes 25 and passing through the card plate 22 and the insert block 21. The second mounting holes 23 and the second through holes 25 are fixedly connected by bolts and nuts. The cooperation between the first connector 8 and the first cross tube 6 and the cooperation between the second connector 9 and the second cross tube 7 facilitates the disassembly and installation of the pedal connecting tube 3 and the first connector 8 and the second connector 9. Since the connection between the first connector 8 and the second connector 9 and the first fixing plate 12 and the second fixing plate 13 is prone to multiple frictions, they are vulnerable parts. When the first connector 8 and the second connector 9 are damaged, it is only necessary to remove the first connector 8 and the second connector 9 from the pedal connecting tube 3 for replacement, which greatly reduces the cost and has strong practicality. The specific operation is that the first connector 8 and the second connector 9 can be removed by removing the bolts and nuts. During installation, it is only necessary to insert the plug block 21 into the corresponding slot, and the upper and lower clamping plates 22 will be inserted into the corresponding clamping grooves 24, so that the first connector 8 and the second connector 9 can be tightly connected to the first cross tube 6 and the second cross tube 7, and the bolts and nuts can be locked and fixed during installation.

[0029] The side wall of the first connector 8 is provided with a first connecting plate 10, and the surface of the first connecting plate 10 is provided with a first jack 26 corresponding to the first pin 14. The end of the second connector 9 is provided with a second connecting plate 11, and the surface of the second connecting plate 11 is provided with a second jack 27 corresponding to the second pin 15. The second connecting plate 11 is provided with a locking structure, which includes a locking block 28. The locking block 28 is a U-shaped structure, and the U-shaped opening size of the locking block 28 is consistent with the second connecting plate 11 and the second fixed The thickness of the plate 13 is consistent with the sum of the thicknesses of the plates 13. One end of the locking block 28 is rotatably connected to the second connecting plate 11 through a connecting pin. A locking pin 29 is provided in the other end of the locking block 28. The second fixing plate 13 is provided with a locking opening 20 corresponding to the locking pin 29 at one end away from the second pin shaft 15. A toggle block is provided on the surface of the locking block 28. When the pedal connecting pipe 3 is installed on the front branch pipe 1 of the wheelchair, the first jack 26 and the second jack 27 on the first connecting plate 10 and the second connecting plate 11 are respectively inserted into the first pin shaft. 14 and the second pin shaft 15, and then rotate the pedal connecting tube 3 so that the axis of the first pin shaft 14 and the second pin shaft 15 is the center of the circle to rotate, and rotate to the front side of the wheelchair. At this time, the second connecting plate 11 can be connected with the sleeve 2. At the same time, the locking block 28 is rotated with the axis of the connecting pin as the center of the circle, so that the locking pin 29 is stuck in the locking port 20 of the second fixing plate 13, which can prevent the second connecting plate 11 from rotating privately. When it is necessary to transport or store the wheelchair, the locking block is turned to lock the wheelchair. When the tightening pin 29 is disengaged from the locking opening 20, the pedal connecting tube 3 can be rotated to one side of the wheelchair front branch tube 1 with the axis of the first pin shaft 14 and the second pin shaft 15 as the center of the circle. Then, the wheelchair front branch tube 1 is lifted upward, so that the first connecting plate 10 and the second connecting plate 11 can be disengaged from the top ends of the first pin shaft 14 and the second pin shaft 15 respectively. The pedal connecting tube 3 and the wheelchair front branch tube 1 can be disassembled, thereby greatly reducing the volume of the wheelchair, facilitating its transportation and storage, and the operation is simple and quick.

[0030] It is understood that the present invention is described by way of certain embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Furthermore, under the guidance of the present invention, these features and embodiments may be modified to suit specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. A detachable wheelchair footrest, characterized in that: The invention comprises a front branch pipe (1) of a wheelchair and a pedal connecting pipe (3), wherein a sleeve (2) with adjustable height is sleeved on the front branch pipe (1), two first fixing plates (12) and a second fixing plate (13) are fixedly arranged on the sleeve (2), and a first pin shaft (14) and a second pin shaft (15) are arranged at the same position on the upper surface of the first fixing plate (12) and the second fixing plate (13), respectively, a connecting shaft (4) is arranged at the bottom of the pedal connecting pipe (3), a pedal (5) is rotatably connected to the connecting shaft (4), and two first transverse pipes (6) are arranged at the top of the pedal connecting pipe (3). and a second transverse tube (7), the ends of the first transverse tube (6) and the second transverse tube (7) are respectively provided with a first connector (8) and a second connector (9) detachably connected thereto, the side wall of the first connector (8) is provided with a first connecting plate (10), the surface of the first connecting plate (10) is provided with a first plug hole (26) distributed corresponding to the first pin shaft (14), the end of the second connecting head (9) is provided with a second connecting plate (11), the surface of the second connecting plate (11) is provided with a second plug hole (27) distributed corresponding to the second pin shaft (15), and the second connecting plate (11) is provided with a locking structure.

2. A detachable wheelchair footrest according to claim 1, characterized in that: The surface of the front branch pipe (1) of the wheelchair is provided with a plurality of first through holes (17) distributed at equal intervals along its length direction, and the surface of the sleeve (2) is provided with two first mounting holes (19) distributed up and down and corresponding to the first through holes (17), and the first mounting holes (19) are fixedly connected to the first through holes (17) by bolts and nuts.

3. A detachable wheelchair footrest according to claim 2, characterized in that: The two first mounting holes (19) are located between the first fixing plate (12) and the second fixing plate (13).

4. The detachable wheelchair footrest according to claim 1, characterized in that: The surface of the front branch pipe (1) of the wheelchair is provided with a limiting groove (16) along its length direction, and the inner wall of the sleeve (2) is provided with a limiting strip (18) distributed corresponding to the limiting groove (16), and the limiting strip (18) is slidably connected to the limiting groove (16).

5. The detachable wheelchair footrest according to claim 1, characterized in that: The upper and lower surfaces of the first connector (8) are both provided with a card slot (24), and a slot is provided at the middle portion of the end of the first connector (8), an insert block (21) corresponding to the slot is provided at the end of the first transverse tube (6), and a card plate (22) corresponding to the card slot (24) is provided at the upper and lower sides of the insert block (21) at the end of the first transverse tube (6), the size of the insert block (21) is consistent with the size of the slot, the size of the card plate (22) is consistent with the size of the card slot (24), and the connection structure between the second connector (9) and the second transverse tube (7) is the same as the connection structure between the first connector (8) and the first transverse tube (6).

6. The detachable wheelchair footrest according to claim 5, characterized in that: The surface of the first connector (8) is provided with two second through holes (25) penetrating the card slot (24) and the slot, and the surface of the card plate (22) is provided with two second mounting holes (23) distributed corresponding to the second through holes (25) and penetrating the card plate (22) and the insert block (21), and the second mounting holes (23) are fixedly connected to the second through holes (25) by bolts and nuts.

7. The detachable wheelchair footrest according to claim 1, characterized in that: The locking structure comprises a locking block (28), the locking block (28) being a U-shaped structure, and the size of the U-shaped opening of the locking block (28) being consistent with the sum of the thicknesses of the second connecting plate (11) and the second fixing plate (13), one end of the locking block (28) being rotatably connected to the second connecting plate (11) via a connecting pin, a locking pin (29) being arranged in the other end of the locking block (28), a locking opening (20) being arranged corresponding to the locking pin (29) at one end of the second fixing plate (13) away from the second pin shaft (15), and a toggle block being arranged on the surface of the locking block (28).

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