Wheelchair footplate and wheelchair

Abstract

A wheelchair footplate and a wheelchair. The wheelchair footplate comprises a fixing rod and a footplate portion; the fixing rod comprises a vertical connecting rod and a transverse support rod which are connected to each other; the footplate portion comprises a rotating shaft; the rotating shaft is inserted into the transverse support rod; a footrest plate is connected to the inner side of the rotating shaft, and a pedal member is connected to the outer side of the rotating shaft; and the pedal member moves downward to drive the footrest plate to rotate along the rotating shaft in the vertical direction. During use of the wheelchair footplate, the footrest plate is in a horizontal state; when the footplate is not required, regardless of whether an operator stands beside the wheelchair or sits in the wheelchair, the operator only needs to step on the pedal member to enable the pedal member to drive the footplate to rotate to a vertical state. Such operation does not require the operator to bend down and use hands, thereby avoiding the hygiene issues caused by direct hand contact with the footplate. The present invention has the advantages of being simple to operate, safe, hygienic, convenient, and labor-saving.

Description

Wheelchair footboard and wheelchair TECHNICAL FIELD

[0001] The utility model relates to a wheelchair footboard and wheelchair belong to wheelchair improvement structure technical field. BACKGROUND

[0002] The wheelchair is an important mobile tool for wounded, sick, disabled people, home rehabilitation, turnover transportation, medical treatment and outdoor activities. The wheelchair footboard is usually divided into two-piece type and integral type, wherein the two-piece type footboard is horizontally placed during use, and is used for placing feet of the user. When the footboard is not needed, the operator needs to bend down and use hands to pull back the two footboards to the vertical position. The whole process has the defects of laborious and inconvenient operation. In some special occasions such as hospitals, the hand contact with the footboard will also increase the risk of virus transmission.

[0003] In the prior art, a certain limiting structure such as a limiting pin, a cam, a movable buckle and the like is usually arranged in the connecting structure of the wheelchair footboard, which is used for controlling the angle and position stability of the footboard turning over. Such limiting means has been widely used by the person skilled in the art. However, although the existing wheelchair footboard has the basic rotation and limiting functions, there are still problems of inconvenient operation, manual folding with bending down, and the like. The technical scheme of automatically completing the footboard turning over and limiting control through the foot operation cannot be realized.

[0004] UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem of overcoming the defects of the prior art, and provides a wheelchair footboard which does not need the operator to bend down and operate by hands, and is convenient and labor-saving in the operation process.

[0006] In order to solve the above technical problems, the utility model adopts the technical scheme that:

[0007] In the first aspect, a wheelchair footboard is provided, which comprises a fixed rod and a footboard part. The fixed rod comprises a vertical connecting rod and a horizontal supporting rod connected with each other. The footboard part comprises a rotating shaft. The rotating shaft is sleeved on the horizontal supporting rod. The rotating shaft is connected with a foot placing plate on the inner side. The rotating shaft is connected with a treading piece on the outer side. The downward movement of the treading piece drives the foot placing plate to rotate along the rotating shaft to the vertical direction.

[0008] The included angle between the foot placing plate and the treading piece is 120°-140° with the rotating shaft as the center.

[0009] The foot placing plate, the rotating shaft and the treading piece are integrally formed.

[0010] The treading piece is located on the side close to the fixed rod in the axial direction of the rotating shaft.

[0011] The treading piece is made of metal.

[0012] The connection between the tread member and the rotating shaft is by electric melting or by glue.

[0013] The limiting device includes a vertical position of the pedal part relative to the support rod and a parallel position of the pedal part relative to the support rod.

[0014] One end of the transverse support rod is provided with a limiting member, a side wall of the tread member is provided with an extension rod, and the tread member is connected with a movable rod for limiting the limiting member through the extension rod;

[0015] The limiting member is an eccentric cam structure.

[0016] A surface of the extension rod is provided with a through hole, and the movable rod is slidingly connected in the through hole;

[0017] A side wall of the movable rod is provided with a first stop block, and a mounting space for mounting an elastic member is formed between the first stop block and the extension rod.

[0018] One end of the movable rod far away from the elastic member is provided with a second stop block with a diameter greater than that of the through hole.

[0019] The limiting member includes a cam part and a recessed part, one end of the recessed part far away from the cam part is provided with a protrusion, and the cam part is used for clamping the movable rod on the surface of the cam part when the elastic member is compressed.

[0020] A surface of the cam part is provided with an anti-skid groove, and an axis of the cam part is not on the same axis as an axis of the rotating shaft.

[0021] In the second aspect, a wheelchair is provided, which is equipped with the wheelchair foot pedal as described in the first aspect.

[0022] The utility model discloses a wheelchair foot pedal and wheelchair, the rotating shaft is connected with tread member outward one side, tread member can drive the foot board to rotate along the rotating shaft to the vertical direction when moving downward, when needing to fold up the pedal in the horizontal state, the operator can stand the case and step down tread member at the wheelchair side, or the operator sits on the wheelchair and steps down tread member, drives the pedal to fold to the vertical position, because the operator does not need to bend down and operate with hand, the operation process is convenient and laborsaving. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 is a structural schematic view of the wheelchair foot pedal of the utility model;

[0024] Fig. 2 is a limiting member structure schematic view provided by the third embodiment of the utility model;

[0025] Fig. 3 is a movable rod structure schematic view provided by the third embodiment of the utility model;

[0026] Figure 4 is a pivot shaft axis and cam axis comparison chart provided by the third embodiment of the present application;

[0027] Figure 5 is another conventional embodiment cross-sectional view provided by the third embodiment of the present application.

[0028] In the drawing, the reference signs are as follows: 1, fixed rod; 11, vertical connecting rod; 12, transverse support rod; 2, pedal part; 21, foot rest; 211, anti-skid layer; 22, pivot; 23, treading piece; 3, limiting piece; 31, cam part; 311, anti-skid groove; 32, recessed part; 33, protrusion; 4, extension rod; 41, through hole; 5, movable rod; 51, first stop block; 52, second stop block; 6, elastic piece. DETAILED DESCRIPTION

[0029] Example 1

[0030] As shown in Figure 1, the utility model discloses a wheelchair foot pedal, including fixed rod 1 and pedal part 2, fixed rod 1 includes the vertical connecting rod 11 and the transverse support rod 12 that are connected, and pedal part 2 includes pivot 22, pivot 22 is set on the transverse support rod 12, and pivot 22 is connected with foot rest 21 to the inside side, and this part is the existing wheelchair foot pedal structure, when not needing using, needing operating personnel to bend down and use hand to pull back two foot pedals to vertical position, whole process exists the defect of laborious and inconvenient operation.

[0031] It should be noted that when not needing using, the return operation of foot pedal, this part is the existing wheelchair foot pedal structure, and the limiting device is one-way limiting, in the folding process of pedal part 2, pedal part 2 is only needed to provide lateral thrust to be unlocked when being perpendicular to support rod 12 gear, and no other operation is needed, and when pedal part 2 is parallel to support rod 12 gear, it is only needed to reach the limiting position to be locked, and no other operation is needed

[0032] The improvement point of the utility model lies in that treading piece 23 is connected to the outside side of pivot 22, treading piece 23 moves downward to drive foot rest 21 to rotate along pivot 22 to vertical position. When not needing using pedal, the operator can stand and step down treading piece 23, or the operator sits on the wheelchair and steps down treading piece 23, and makes foot rest 21 to be collected to vertical position, since not needing operating personnel to bend down and use hand to operate, the operation process is convenient and labor-saving.

[0033] Example 2

[0034] As shown in Figure 1, the utility model discloses a wheelchair footboard, including fixed rod 1 and pedal part 2, fixed rod 1 includes the vertical connecting rod 11 and horizontal support rod 12 of being connected, pedal part 2 includes pivot 22, pivot 22 is set on horizontal support rod 12, pivot 22 is connected with the footboard 21 of putting inboard side, this part is the existing wheelchair footboard structure, when not needing using, need to operate personnel to bend down and use hand to pull back two footboards to vertical position, the whole process exists the defect of laborious and inconvenient operation.

[0035] The utility model's improvement point lies in the outward side of pivot 22 is connected with the tread member 23, and the tread member 23 is located on the side close to fixed rod 1 in pivot 22 axial direction. The tread member 23 moves downward and drives the footboard 21 to rotate along pivot 22 to vertical position. In the utility model, the included angle between the footboard 21 and the tread member 23 is 120 ° ~ 140 ° around pivot 22, and the included angle between the footboard 21 and the tread member 23 is 125 ° in the embodiment, and under this angle design, the tread member 23 can be conveniently operated. In addition, the footboard 21 is provided with an antiskid layer 211, which can avoid the patient's foot from slipping.

[0036] In the utility model, the footboard 21, pivot 22 and tread member 23 can be integrally formed, at this time, the tread member 23 is made of the same material as the footboard 21 and pivot 22, and is plastic. In addition, in order to improve the use strength of the tread member 23, the material of the tread member 23 can be designed as metal. The tread member 23 and pivot 22 are connected by electric melting or through glue.

[0037] The working principle of the utility model is as follows: when the pedal is not needed, the operator steps down the tread member 23 in standing condition, or the operator sits on the wheelchair and steps down the tread member 23, so that the footboard 21 is retracted to the vertical position, and since the operator does not need to bend down and operate by hand, the operation process is convenient and labor-saving.

[0038] Embodiment 3:

[0039] As shown in Figure 2, one end of the horizontal support rod 12 is provided with a limiting piece 3, the side wall of the tread member 23 is provided with an extension rod 4, and the tread member 23 is connected with a movable rod 5 for limiting the limiting piece 3 through the extension rod 4.

[0040] Among them, the limiting piece 3 is eccentric cam structure.

[0041] The limiting structure is a common setting in the wheelchair footboard, commonly used for realizing the angle control or stable positioning of the footboard. The embodiment combines this general structure, and forms the limiting control completed synchronously with the footboard folding action by linking the limiting structure with the movement process of the tread member, so that the structure is more compact and the action is more coherent.

[0042] The surface of the extension rod 4 is provided with a through hole 41, and the movable rod 5 is slidingly connected in the through hole 41.

[0043] As shown in Fig. 3, the side wall of the movable rod 5 is provided with a first stopper 51, and a mounting space for mounting the elastic member 6 is formed between the first stopper 51 and the extension rod 4.

[0044] Specifically, as shown in Fig. 4, when the tread member 23 is stepped on, the extension rod 4 rotates with the tread member 23 until the movable rod 5 rotates from the recessed portion 32 to the cam portion 31. At this time, due to the existence of the elastic member 6, which is a compression spring in this embodiment, the compression spring is compressed, and then the movable rod 5 slides in the through hole 41. With the continuous rotation of the tread plate, the movable rod 5 gradually slides on the surface of the cam portion 31, and because the axis of the cam portion 31 and the axis of the rotating shaft 22 are not on the same axis, the compression spring is increasingly compressed until it stops at the limit compression length. The surface of the cam portion 31 is provided with an anti-skid groove 311, which can lock the tread plate portion 2 at the retracted angle.

[0045] The end of the movable rod 5 far away from the elastic member 6 is provided with a second stopper 52 with a diameter larger than that of the through hole 41, which is used to prevent the movable rod 5 from naturally falling off in the recessed portion 32. In addition, because the end of the recessed portion 32 far away from the cam portion 31 is provided with a protrusion 33, the tread plate portion 2 can be clamped at a fixed position by combining the movable rod 5 and the protrusion 33 when the tread plate portion 2 is put down.

[0046] As shown in Fig. 5, another embodiment is provided in this embodiment, which specifically includes that the cross section of the transverse connecting rod 12 is provided with a water drop-shaped structure, and the axis of the foot plate 21 is provided with a hollow structure, so that the water drop-shaped structure can be clamped into the hollow structure of the foot plate 21 when the foot plate 21 is put down, thereby realizing the limiting function. This embodiment is a prior art, and will not be described in detail in this embodiment.

[0047] It should be noted that in some cases, due to the setting of the limiting device, the structure itself can be set to different clamping degrees according to the actual size of the components, i.e. the size of the friction force, so that the foot plate 21 can be fixed in different structures by the size of the friction force, thereby preventing sliding.

[0048] Embodiment 4:

[0049] This embodiment provides a wheelchair equipped with the wheelchair foot plate as described in Embodiment 1.

[0050] The above are only preferred embodiments of the present application, and it should be pointed out that: for ordinary skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, these improvements and refinements should also be considered within the scope of the present application.

Claims

1. A wheelchair footrest, characterized by: The fixed rod (1) and the pedal part (2) are connected by a vertical connecting rod (11) and a horizontal supporting rod (12). The fixed rod (1) and the pedal part (2) are connected by a vertical connecting rod (11) and a horizontal supporting rod (12).

2. The wheelchair footrest of claim 1, wherein: The angle between the foot plate (21) and the pedal part (23) is 120-140 degrees.

3. The wheelchair footrest of claim 1, wherein: The foot plate (21), the rotating shaft (22) and the pedal part (23) are integrally formed.

4. The wheelchair footrest of claim 1, wherein: The pedal part (23) is located on the side close to the fixed rod (1) in the axial direction of the rotating shaft (22).

5. The wheelchair footrest of claim 1, wherein: The pedal part (23) is made of metal.

6. The wheelchair footrest of claim 5, wherein: The pedal part (23) and the rotating shaft (22) are connected by electric melting or glue.

7. The wheelchair footrest of claim 1, wherein: The limiting device includes the gear of the pedal part (2) perpendicular to the supporting rod (12) and the gear of the pedal part (2) parallel to the supporting rod (12).

8. The wheelchair footrest of claim 7, wherein: The limiting device includes a limiting part (3) arranged at one end of the horizontal supporting rod (12), a side wall of the pedal part (23) is provided with an extension rod (4), and the pedal part (23) is connected with a movable rod (5) for limiting the limiting part (3) through the extension rod (4). The limiting part (3) is an eccentric cam structure.

9. The wheelchair footrest of claim 8, wherein: The surface of the extension rod (4) is provided with a through hole (41), and the movable rod (5) is slidingly connected in the through hole (41). A first stop block (51) is arranged on the side wall of the movable rod (5), and a mounting space for mounting an elastic part (6) is formed between the first stop block (51) and the extension rod (4). The end of the movable rod (5) far away from the elastic part (6) is provided with a second stop block (52) with a diameter larger than that of the through hole (41). The limiting part (3) includes a cam part (31) and a recessed part (32), the end of the recessed part (32) far away from the cam part (31) is provided with a protrusion (33), and the cam part (31) is used for clamping the movable rod (5) on the surface of the cam part (31) when the elastic part (6) is compressed. The surface of the cam part (31) is provided with an anti-skid groove (311), and the axis of the cam part (31) is not on the same axis as the axis of the rotating shaft (22).

10. A wheelchair characterized by The wheelchair pedal is equipped with the wheelchair pedal as claimed in claims 1-9.

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