CN220632379U - Folding structure of wheelchair - Google Patents

Abstract

The utility model relates to the technical field of wheelchairs, and particularly discloses a folding structure of a wheelchair, which comprises the following components: at least two top supports, a front connector and a rear connector; the utility model discloses a wheelchair folding device, which comprises a front support, a rear support, a front connecting piece, a rear connecting piece, a bottom support, a front support and a rear support, wherein the front connecting piece and the rear connecting piece are respectively hinged at two ends of the bottom support, the bottom support is used for being interlocked, the front connecting piece and the rear connecting piece are respectively hinged at two ends of the bottom support, the front connecting piece is used for folding a front foot support frame, the rear connecting piece is used for folding a rear foot support frame, the front foot support frame and the rear foot support frame are effectively folded and stored through the front connecting piece and the rear connecting piece respectively, the occupied area after the wheelchair is stored is reduced, the front connecting piece and the rear connecting piece are interlocked and folded through the bottom support, so that the front foot support frame and the rear foot support frame are synchronously folded in the same direction, and the front foot support frame and the rear foot support frame are convenient to fold, and the situation that the clamping in the folding process is effectively prevented.

Description

Folding structure of wheelchair

Technical Field

The utility model relates to the technical field of wheelchairs, in particular to a folding structure of a wheelchair.

Background

The wheelchair is a chair with wheels, can help to replace walking, and is an important moving tool for home rehabilitation, turnover transportation, treatment and outgoing activities of wounded persons, patients and disabled persons. The wheelchair not only meets the riding instead of walking requirements of disabled limbs and people with mobility impairment, but also is more important to facilitate the movement of family members and care of patients, so that the patients can exercise and participate in social activities by means of the wheelchair.

The common wheelchair generally comprises a foldable frame, left and right side plates (skirt guard plates), front and rear wheels, left and right knee pads, foot pedals, left and right armrests, a handle brake device, a seat, a backrest, a medical image data bag, a urine receiving bag hook and the like, wherein the conventional wheelchair adopts a front foot support frame and a rear foot support frame to support a seat, but the conventional wheelchair folding frame is complex in structure, and folding and blocking are easy to occur due to the butt joint of the front foot support frame and the rear foot support frame in the folding process of the front foot support frame and the rear foot support frame, so that the folding effect of the front foot support frame and the rear foot support frame is poor, and the occupied area is greatly influenced by the folding and the storage and the transportation of the support structure of the wheelchair.

The driving can be divided into an electric wheelchair and a manual wheelchair: the wheelchair can be functionally divided into a standard wheelchair, a nursing wheelchair (the rear wheels are small wheels with the size of 12-16 inches), a toilet chair (a toilet chair), a cerebral palsy chair, a sports wheelchair, a bearing wheelchair (an obesity wheelchair), an auxiliary standing wheelchair, an airplane wheelchair (a travel wheelchair), a beach wheelchair and the like.

The manual wheelchair is mainly driven by a hand wheel, is driven by hand, and is driven by hand pushing. The hand-operated wheelchair is provided with a hand-operated device on the basis of a common wheelchair. The electric wheelchair can be driven by a rear drive, a middle drive and a rear drive, and an electronic power assisting system is added on the basis of a common wheelchair, so that the physical consumption of a user is reduced. The intelligent wheelchair is provided with a plurality of intelligent modules such as positioning movement, standing movement, remote control movement, related Internet and auxiliary life on the basis of the electric wheelchair.

Referring to the Chinese utility model patent with the patent publication number of CN216365599U and the patent name of wheelchair, the technical scheme discloses a wheelchair which comprises: a seat; a seat cushion rotatably mounted to the seat; the lifting piece is movably connected with the bottom surface of the cushion, and the moving direction of the lifting piece relative to the cushion is perpendicular to the axial direction of the rotating shaft of the cushion; the driving assembly is installed on the seat, and is connected with the lifting piece and used for driving the lifting piece to move up and down. This structure drives the cushion through increasing the lifter and goes up and down, thereby drive assembly drives the lifter and reciprocates and reach the lift effect, but the cushion bottom sprag foot rest structure of this structure is complicated and for keeping going up and down steadily adopts the fixed mode of connecting piece, and the support foot rest structure area is great can not reach folding effect of accomodating, is inconvenient for daily accomodating and carries.

Therefore, how to fold and store the support foot rest at the bottom of the wheelchair is a major problem that needs to be solved by the current technicians.

Disclosure of Invention

The present utility model has been made in view of the above-mentioned problems occurring in the prior art, and an object of the present utility model is to provide a folding structure of a wheelchair.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a folding structure of a wheelchair, comprising:

at least two top supports, a front connector and a rear connector;

the two ends of the bottom of the top support piece are respectively hinged with the front connecting piece and the rear connecting piece, a bottom support piece for linkage is arranged between the front connecting piece and the rear connecting piece, and the two ends of the bottom support piece are respectively hinged with the front connecting piece and the rear connecting piece;

the outer joint of preceding connecting piece is on the forefoot support frame, just preceding connecting piece is used for folding the forefoot support frame, the outer joint of back connecting piece is on the back foot support frame, the back connecting piece is used for folding the back foot support frame.

Preferably, a front mounting bayonet is arranged outside the front connecting piece and sleeved on the support cross rod of the front foot support frame.

Preferably, a rear mounting bayonet is arranged outside the rear connecting piece, and the rear mounting bayonet is sleeved on the support cross rod of the rear foot support frame.

Preferably, two top supporting members are arranged, the two top supporting members are symmetrically arranged at the tops of the front connecting member and the rear connecting member, and the tops of the two top supporting members are flush.

Preferably, the top of the front connecting piece and the top of the rear connecting piece are respectively provided with a first through hole, and an upper connecting rod for hinging the top supporting piece is arranged in the first through holes in a penetrating mode.

Preferably, the bottom of the front connecting piece and the bottom of the rear connecting piece are respectively provided with a second through hole, and a lower connecting rod for hinging the bottom supporting piece is arranged in the second through holes in a penetrating mode.

Preferably, the two top support pieces are provided with a plurality of mounting holes, and the tops of the two top support pieces are abutted against the bottom of the seat of the wheelchair.

The utility model also proposes an electric wheelchair comprising: the folding structure comprises at least two top supporting pieces, a front connecting piece and a rear connecting piece; the two ends of the bottom of the top support piece are respectively hinged with the front connecting piece and the rear connecting piece, a bottom support piece for linkage is arranged between the front connecting piece and the rear connecting piece, and the two ends of the bottom support piece are respectively hinged with the front connecting piece and the rear connecting piece; the outer part of the front connecting piece is clamped on the front foot supporting frame, the front connecting piece is used for folding the front foot supporting frame, the outer part of the rear connecting piece is clamped on the rear foot supporting frame, and the rear connecting piece is used for folding the rear foot supporting frame; the folding structure is detachably arranged at the bottom of the seat main body.

Compared with the prior art, this technical scheme provides a folding structure of wheelchair, includes: the utility model provides a support frame, including top support piece, front connecting piece, back connecting piece and foot rest subassembly, through articulated front connecting piece and back connecting piece respectively in top support piece's bottom both ends, thereby realize front connecting piece and back connecting piece rotate at top support piece's bottom both ends, and be equipped with the bottom support piece that is used for the interlock between front connecting piece and back connecting piece, through articulated front connecting piece and back connecting piece respectively with bottom support piece's both ends, wherein, the outside joint of front connecting piece is on the front foot support frame, and then realize front connecting piece and be used for folding front foot support frame, with the outside joint of back connecting piece on the back foot support frame, and then realize back connecting piece and be used for folding back foot support frame, realize rotating folding front foot support frame and back foot support frame, reduce the occupation space of front foot support frame and back foot support frame after the wheelchair is accomodate, improve daily folding convenience of accomodating.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of a connection structure of a front connector and a rear connector according to the present utility model.

Fig. 3 is a schematic structural view of the front connector of the present utility model.

Fig. 4 is a schematic structural view of the rear connector of the present utility model.

Fig. 5 is a schematic view of a connection structure between a seat body and a folding structure according to the present utility model.

The labels in the figures are shown in combination: 1. a top support; 2. a front connector; 3. a rear connecting member; 5. a bottom support; 6. a seat body; 7. an upper connecting rod; 8. a lower connecting rod; 10. a mounting hole; 21. a front mounting bayonet; 31. a bayonet is installed at the rear; 41. a forefoot support frame; 42. a rear foot support; 99. a first through hole; 100. and a second through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments of the present utility model. All other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of the present utility model. Preferred embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present utility model, it should be understood that the terms "thickness," "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various components, these information should not be limited by these terms. These terms are only used to distinguish one element of the same type from another. For example, a first component could also be termed a second component, and, similarly, a second component could also be termed a first component, without departing from the scope of the present utility model. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The following describes the technical scheme of the embodiment of the present utility model in detail with reference to the accompanying drawings.

Referring to fig. 1 to 5, a folding structure of a wheelchair includes:

at least two top supports 1, a front connector 2, a rear connector 3 and a foot rest assembly;

the two ends of the bottom of the top support 1 are respectively hinged with the front connecting piece 2 and the rear connecting piece 3, a bottom support piece 5 for linkage is arranged between the front connecting piece 2 and the rear connecting piece 3, and the two ends of the bottom support piece 5 are respectively hinged with the front connecting piece 2 and the rear connecting piece 3;

the outer clamping of the front connecting piece 2 is connected to the front foot supporting frame 41, the front connecting piece 3 is used for folding the front foot supporting frame 41, the outer clamping of the rear connecting piece 3 is connected to the rear foot supporting frame 42, and the rear connecting piece 3 is used for folding the rear foot supporting frame 42.

In this embodiment, a front mounting bayonet 21 is provided on the outside of the front connector 2, and the front mounting bayonet 21 is sleeved on the support rail of the front foot support 41.

In this embodiment, a rear mounting clip 31 is provided on the outside of the rear connector 3, and the rear mounting clip 31 is sleeved on the support rail of the rear foot support frame 42.

In this embodiment, two top supporting members 1 are provided, the two top supporting members 1 are symmetrically disposed at the top of the front connecting member 2 and the rear connecting member 3, and the tops of the two top supporting members 1 are flush.

In this embodiment, the top parts of the front connecting piece 2 and the rear connecting piece 3 are respectively provided with a first through hole 99, and the inside of the first through hole 99 is penetrated with an upper connecting rod 7 for hinging the top supporting piece 1.

In this embodiment, the bottoms of the front connecting piece 2 and the rear connecting piece 3 are both provided with second through holes 100, and the lower connecting rod 8 for hinging the bottom supporting piece 5 is penetrated in the second through holes 100.

In this embodiment, a plurality of mounting holes 10 are formed in the two top support members 1, and the top portions of the two top support members 1 are abutted to the bottom of the seat of the wheelchair.

In the first embodiment, in the folding process, in order to realize that the front connecting piece 2 drives the front foot supporting frame 41 to rotate and fold and the rear connecting piece 3 drives the rear foot supporting frame 42 to rotate and fold, and in the folding process, the front foot supporting frame 41 and the rear foot supporting frame 42 carry out synchronous transmission to facilitate folding and storage, referring to fig. 1 to 4, the technical scheme includes: at least two top supporting members 1, a front connecting member 2 and a rear connecting member 3, wherein the front connecting member 2 and the rear connecting member 3 are respectively hinged at two ends of the bottom of the top supporting member 1, so that the front connecting member 2 and the rear connecting member 3 rotate at two ends of the bottom of the top supporting member 1, a bottom supporting member 5 for linkage is arranged between the front connecting member 2 and the rear connecting member 3, and the front connecting member 2 and the rear connecting member 3 are respectively hinged at two ends of the bottom supporting member 5; the front connecting piece 2 is clamped on the front foot supporting frame 41, the front connecting piece 3 is used for folding the front foot supporting frame 41, the rear connecting piece 3 is clamped on the rear foot supporting frame 42, and the rear connecting piece 3 is used for folding the rear foot supporting frame 42, so that the front foot supporting frame 41 and the rear foot supporting frame 41 are folded and stored, and occupied space of the stored front foot supporting frame 41 and rear foot supporting frame 42 is reduced.

In the folding process, the front foot support frame 41 is pulled to fold, the rear connecting piece 3 is driven to rotate in a linkage way through the bottom supporting piece 5 in the rotating process of the front connecting piece 2 along the top supporting piece 1, and the rear foot support frame 42 and the front foot support frame 41 are folded in a linkage way in the same direction, so that the folding of the front foot support frame 41 and the rear foot support frame 42 is completed; conversely, the rear foot supporting frame 42 is pulled to fold, the front connecting piece 2 is driven to rotate in a linkage way through the bottom supporting piece 5 in the process that the rear connecting piece 3 rotates along the top supporting piece 1, the front foot supporting frame 41 and the rear foot supporting frame 42 are folded in a linkage way in the same direction, and the distance between the front connecting piece 2 and the rear connecting piece 3 is kept through the bottom supporting piece 5, so that the front foot supporting frame 41 clamped by the front connecting piece 2 and the rear foot supporting frame 42 clamped by the rear connecting piece 3 are prevented from being folded in a linkage way, the other supporting frame is driven to achieve the effect of conveniently folding by pulling any supporting frame, and the front connecting piece 2 and the rear connecting piece 3 are rotated in the same direction;

the front connecting piece 2 and the front foot supporting frame 41 are clamped, the front connecting piece 3 and the rear foot supporting frame 42 are clamped, the front foot supporting frame 41 is rotated and stored through the front connecting piece 2, the rear foot supporting frame 42 is rotated and stored through the rear connecting piece 3, the front foot supporting frame 41 and the rear foot supporting frame 42 are effectively rotated and folded towards the same direction, the front foot supporting frame 41 and the rear foot supporting frame 42 cannot be abutted against each other in the folding process, the front foot supporting frame 41 and the rear foot supporting frame 42 are prevented from being abutted against each other in the folding process, supporting and limiting are achieved through the top supporting piece 1 on the tops of the front connecting piece 2 and the rear connecting piece 3, supporting and limiting are achieved through the bottom supporting piece 5 on the bottoms of the front connecting piece 2 and the rear connecting piece 3, the front foot supporting frame 41 and the rear foot supporting frame 42 are stably connected after being unfolded, and the effect of being stressed evenly is achieved.

In the second embodiment, in order to realize stable support in the unfolding process, referring to fig. 1 to 5, the technical scheme includes: at least two top supports 1, a front link 2 and a rear link 3; through articulated front connector 2 and back connecting piece 3 respectively at the bottom both ends of top support piece 1 to realize that front connector 2 and back connecting piece 3 rotate at the bottom both ends of top support piece 1, wherein, need carry out spacingly with front foot support frame 41 and back foot support frame 42 after expanding, make front connector 2 and back connecting piece 3 be opposite direction rotation after expanding, reach and take-up location each other, and be equipped with the bottom sprag piece 5 that is used for the interlock between front connector 2 and back connecting piece 3, articulated front connector 2 and back connecting piece 3 respectively through the both ends of bottom sprag piece 5, the spacing effect to front connector 2 and back connecting piece 3 is realized in the time of being convenient for front connector 2 and back connecting piece 3 rotation, keep front connector 2 and back connecting piece 3's interval, front connector 2 rotates and drives front foot support frame 41 and expands, back foot support frame 42 is expanded to back foot support frame 41, top sprag piece 1 and bottom sprag piece 5 parallel, reach front connector 2 and back connecting piece 3's upper and lower bearing power atress evenly.

It should be noted that, in order to ensure the connection and clamping between the front connector 2 and the front foot supporting frame 41, a front mounting bayonet 21 is provided outside the front connector 2, and the front mounting bayonet 21 is sleeved on the supporting cross bar of the front foot supporting frame 41 for clamping and mounting, so as to ensure the connection stability between the front connector 2 and the front foot supporting frame 41.

It should be noted that, in order to ensure the connection and clamping between the rear connecting piece 3 and the rear foot supporting frame 42, a rear mounting clip 31 opening is provided outside the rear connecting piece 3, and the rear mounting clip 31 is sleeved on the supporting cross bar of the rear foot supporting frame 42 for clamping and mounting, so as to ensure the connection stability between the rear connecting piece 3 and the rear foot supporting frame 42.

It should be noted that the two top supporting members 1 are provided, the two top supporting members 1 are symmetrically arranged at the tops of the front connecting member 2 and the rear connecting member 3, the supporting stability of the top supporting members 1 to the seat is ensured, the tops of the two top supporting members 1 are flush mutually, the stress is uniform through the flush mutually, and the inclination of the seat in the supporting process is prevented after the unfolding.

This embodiment still provides an electronic wheelchair to this technical scheme, and wherein, this technical scheme includes: a folding structure and a seat body 6, the folding structure comprising at least two top support members 1, a front connector 2 and a rear connector 3; the bottom two ends of the top support 1 are respectively hinged with a front connecting piece 2 and a rear connecting piece 3, a bottom support piece 5 for linkage is arranged between the front connecting piece 2 and the rear connecting piece 3, and the two ends of the bottom support piece 5 are respectively hinged with the front connecting piece 2 and the rear connecting piece 3;

it should be noted that, the outer part of the front connecting piece 2 is clamped on the front foot supporting frame 41, so that the front connecting piece 3 is used for folding the front foot supporting frame 41, the outer part of the rear connecting piece 3 is clamped on the rear foot supporting frame 42, and the rear connecting piece 3 is used for folding the rear foot supporting frame 42, wherein the folding structure is detachably arranged at the bottom of the seat main body 6, and the front foot supporting frame 41 and the rear foot supporting frame 42 unfolded by the folding structure support the bottom of the seat main body 6.

In order to facilitate disassembly for packaging and transportation, referring to fig. 1 to 4, the technical scheme includes: at least two top supports 1, a front link 2 and a rear link 3; the two ends of the bottom of the top support piece 1 are respectively hinged with the front connecting piece 2 and the rear connecting piece 3, a bottom support piece 5 for linkage is arranged between the front connecting piece 2 and the rear connecting piece 3, and the two ends of the bottom support piece 5 are respectively hinged with the front connecting piece 2 and the rear connecting piece 3; wherein, outside joint through preceding connecting piece 2 is on preceding foot support frame 41, and be used for folding preceding foot support frame 41 with preceding connecting piece 3, outside joint through back connecting piece 3 is on back foot support frame 42, and be used for folding back foot support frame 42 with back connecting piece 3, thereby accomplish preceding foot support frame 41 and back foot support frame 41 and fold and accomodate, will be provided with preceding installation bayonet socket 21 in the outside of preceding connecting piece 2, and will be provided with back installation bayonet socket 31 mouth in the outside of back connecting piece 3 on the support horizontal pole of preceding foot support frame 41, and will be overlapped back installation bayonet socket 31 on the support horizontal pole of back foot support frame 42.

Wherein, to above technical scheme, make further explanation, preceding installation bayonet socket 21 and back installation bayonet socket 31 all can adopt arc structure, make its preceding installation bayonet socket 21 and the laminating of the support horizontal pole of front foot support frame 41, back installation bayonet socket 31 and the laminating of the support horizontal pole of back foot support frame 42, preceding installation bayonet socket 21 all can be equipped with the screw hole with back installation bayonet socket 31, the screw hole's that corresponds the screw hole bayonet socket can all be seted up to the support horizontal pole of front foot support frame 41 and the support horizontal pole of back foot support frame 42, thereby the support horizontal pole connection of front foot support frame is installed bayonet socket 21 and front foot support frame before the accessible screw fixation, be connected with the bracing piece horizontal pole of back foot support frame through screw fixation, in order to reach the effect of being convenient for install or dismantle, improve daily use convenience.

It should be noted that, the first through holes 99 are formed in the top parts of the front connecting piece 2 and the rear connecting piece 3, the upper connecting rod 7 for hinging the top supporting piece 1 is arranged in the first through holes 99 in a penetrating manner, the upper connecting rod 7 is conveniently arranged in a penetrating manner through the first through holes 99, the top parts of the front connecting piece 2 and the rear connecting piece 3 are hinged at the two ends of the bottom of the top supporting piece 1 through the upper connecting rod 7, and the front connecting piece 2 and the rear connecting piece 3 fall off from the top supporting piece 1 through the upper connecting rod 7, so that the front connecting piece 2 and the rear connecting piece 3 are detached or replaced.

It should be noted that, the bottoms of the front connecting piece 2 and the rear connecting piece 3 are respectively provided with a second through hole 100, and the inside of the second through hole 100 is penetrated with a lower connecting rod 8 for hinging the bottom supporting piece 5; the lower connecting rod 8 is conveniently penetrated through the second through hole 100, so that the bottoms of the front connecting piece 2 and the rear connecting piece 3 are hinged at the two ends of the bottom supporting piece 5 through the lower connecting rod 8, the front connecting piece 2 and the rear connecting piece 3 drop off from the bottom supporting piece 5 through disassembling the connecting rod 8, and the front connecting piece 2 and the rear connecting piece 3 are disassembled or replaced.

For the above embodiments, further explanation is made, the outer parts of the upper connecting rod 7 and the lower connecting rod 8 can be sleeved with locking screws, so that the front foot support 41 and the rear foot support 42 are locked and fixed after the front connecting piece 2 and the rear connecting piece 3 are rotated, and the problem that the wheelchair cannot be normally used due to shaking of the front foot support and the rear foot support caused by rotation of the front connecting piece 2 and the rear connecting piece 3 after being unfolded is solved.

The aspects of the present utility model have been described in detail hereinabove with reference to the accompanying drawings. In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments. Those skilled in the art will also appreciate that the acts and modules referred to in the specification are not necessarily required for the present utility model. In addition, it can be understood that the steps in the method of the embodiment of the present utility model may be sequentially adjusted, combined and pruned according to actual needs, and the structure in the apparatus of the embodiment of the present utility model may be combined, divided and pruned according to actual needs.

The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (8)

1. A folding structure of a wheelchair, comprising:

at least two top supports, a front connector and a rear connector;

the two ends of the bottom of the top support piece are respectively hinged with the front connecting piece and the rear connecting piece, a bottom support piece for linkage is arranged between the front connecting piece and the rear connecting piece, and the two ends of the bottom support piece are respectively hinged with the front connecting piece and the rear connecting piece;

the outer joint of preceding connecting piece is on the forefoot support frame, just preceding connecting piece is used for folding the forefoot support frame, the outer joint of back connecting piece is on the back foot support frame, the back connecting piece is used for folding the back foot support frame.

2. The folding structure of a wheelchair according to claim 1, wherein a front mounting bayonet is provided on the exterior of the front connector, the front mounting bayonet being sleeved on the support rail of the front foot support.

3. The folding structure of a wheelchair according to claim 1, wherein a rear mounting bayonet is provided on the outside of the rear connector, the rear mounting bayonet being fitted over the support rail of the rear foot support.

4. The folding structure of a wheelchair of claim 1, wherein two top supports are provided, the two top supports being symmetrically disposed on top of the front and rear connectors, the tops of the two top supports being flush.

5. The folding structure of a wheelchair according to claim 1, wherein the top of the front and rear connecting members are provided with a first through hole, and an upper connecting rod for hinging the top supporting member is provided in the first through hole.

6. The folding structure of a wheelchair according to claim 1, wherein the bottoms of the front and rear connecting members are respectively provided with a second through hole, and a lower connecting rod for hinging the bottom supporting member is provided in the second through hole.

7. The folding structure of a wheelchair according to claim 4, wherein the two top support members are provided with a plurality of mounting holes, and the top of the two top support members is abutted against the bottom of the seat of the wheelchair.

8. The folding structure of a wheelchair of any one of claims 1 to 7, further comprising a seat body, the top support being detachably mounted to a bottom of the seat body.