Umbrella-shaped wheelchair convenient to fold and store

Abstract

The umbrella-shaped wheelchair convenient to fold and store comprises a wheelchair rear leg support, a wheelchair front leg support, a heat dissipation breathable cushion mechanism and a wheelchair backrest, the upper end of the wheelchair rear leg support is movably connected with a folding movable handle, and the inner side of the upper end of the wheelchair rear leg support is movably connected with a folding control clamping piece. The outer wall of the wheelchair rear leg support and the two sides of the rear end of the heat dissipation breathable cushion mechanism are positioned, and the inner walls of the two sides of the front end of the heat dissipation breathable cushion mechanism and the outer wall of the upper end of the wheelchair front leg support are positioned. According to the umbrella-shaped wheelchair convenient to fold and store, the folding movable handles can be folded and stored between the folding control clamping pieces and the wheelchair rear leg supports, the four sides of the wheelchair can be folded through the folding supports, and therefore storage and transportation are convenient; and the heat dissipation and ventilation effects of the heat dissipation and ventilation cushion main body are conveniently controlled through the heat dissipation and ventilation cushion mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of wheelchairs, in particular to an umbrella-shaped wheelchair which is convenient for folding and storage. Background Art

[0002] A wheelchair is a chair with wheels that can help replace walking. It 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 wheelchairs. An ordinary wheelchair is generally composed of four parts: a wheelchair frame, wheels, a brake device and a seat.

[0003] Generally, wheelchairs are large in size and not easy to fold as a whole, especially the handlebars, which occupy a larger area. When patients need to sit in a wheelchair for a long time, in hot summer weather, the seat cushion can easily cause the buttocks to become stuffy, making it difficult to dissipate heat and ventilate, which reduces the use effect of the device and has a certain adverse effect on people's use process. Therefore, we propose an umbrella-shaped wheelchair that is easy to fold and store. Utility Model Content

[0004] Technical problem solved: In view of the shortcomings of the prior art, the utility model provides an umbrella-shaped wheelchair that is easy to fold and store. It has a foldable movable handle that can be folded and stored between a folding control card and the rear leg bracket of the wheelchair. The four sides of the wheelchair can be folded using the folding bracket, which is convenient for storage and transportation. The heat dissipation and breathable seat cushion mechanism facilitates the control of the heat dissipation and ventilation effect of the heat dissipation and breathable seat cushion body, etc., which can effectively solve the problems in the background technology.

[0005] Technical solution: To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an umbrella-shaped wheelchair that is easy to fold and store, comprising a wheelchair rear leg bracket, a wheelchair front leg bracket, a heat dissipation and breathable cushion mechanism and a wheelchair backrest, the upper end of the wheelchair rear leg bracket is movably connected with a folding movable handle, the inner side of the upper end of the wheelchair rear leg bracket is movably connected with a folding control card, the outer wall of the wheelchair rear leg bracket is positioned with both sides of the rear end of the heat dissipation and breathable cushion mechanism, the inner walls of both sides of the front end of the heat dissipation and breathable cushion mechanism are positioned with the upper outer wall of the wheelchair front leg bracket, the lower ends of the wheelchair rear leg bracket and the wheelchair front leg bracket are both movably connected with wheelchair universal casters, the middle parts of the outer walls of the wheelchair rear leg bracket and the wheelchair front leg bracket are both positioned and installed with a folding bracket, the folding bracket is located at the lower end of the heat dissipation and breathable cushion mechanism, the outer walls of the wheelchair front leg bracket are fixedly connected with a front supporting leg bracket, the front end of the front supporting leg bracket is movably connected with a front supporting foot bracket, the outer wall of the folding movable handle is provided with a wheelchair backrest, and one side of the outer wall of the wheelchair rear leg bracket is fixedly connected with an armrest bracket.

[0006] Preferably, the lower end of the foldable movable handle is movable on the upper end of the wheelchair rear leg bracket through a folding control card, the outer wall of the foldable movable handle is sleeved on the inner walls on both sides of the wheelchair backrest, one side of the outer wall of the wheelchair rear leg bracket is fixedly connected to one end of the armrest bracket, and the other end of the armrest bracket is fixedly connected to one side of the upper end of the wheelchair front leg bracket, the upper end of the outer wall of the wheelchair front leg bracket is fixedly connected to the inner wall of one end of the front supporting leg bracket, and the front end outer wall of the front supporting leg bracket is movably connected to the inner side of the front supporting foot bracket.

[0007] Preferably, the heat dissipating and breathable seat cushion mechanism includes a heat dissipating and breathable seat cushion body, a heat dissipating and breathable net, a connecting zipper, a control zipper, an inner supporting stabilizing frame, an inner honeycomb breathable positioning pad, an inner honeycomb latex pad, a stabilizing support plate, a control motor, a rotating control rod and a heat dissipating and breathable fan; the upper end inner wall of the heat dissipating and breathable seat cushion body and the outer wall of the heat dissipating and breathable net are integrally formed by sewing; the outer wall of the heat dissipating and breathable seat cushion body and the connecting zipper are integrally formed by sewing; and one end of the connecting zipper is movably connected to a control zipper.

[0008] Preferably, the middle part of the inner cavity of the heat-dissipating and breathable seat cushion body is fixedly connected to the outer wall of the inner supporting and stabilizing frame, the inner wall of the inner supporting and stabilizing frame is fixedly connected to the outer wall of the inner honeycomb breathable positioning pad, the lower end of the inner supporting and stabilizing frame is fixedly connected to the upper end of the stabilizing support plate, and the lower ends of the stabilizing support plates are fixedly connected to the lower ends of the inner walls of the heat-dissipating and breathable seat cushion body.

[0009] Preferably, the inner honeycomb latex pad is located at the upper part of the inner cavity of the heat dissipating and breathable seat cushion body, and the lower end of the inner honeycomb latex pad and the upper end of the inner supporting stabilizing frame are positioned by Velcro.

[0010] Preferably, the control motor is located on one side of the stable support plate for positioning, one end of the control motor is movably connected to a rotating control rod, the outer wall of the rotating control rod and the inner wall of the stable support plate move through a bearing, and one end of the rotating control rod is movably connected to a heat dissipation and ventilation fan.

[0011] Beneficial effects: Compared with the prior art, the utility model provides an umbrella-shaped wheelchair that is easy to fold and store, and has the following beneficial effects:

[0012] The umbrella-shaped wheelchair is easy to fold and store. The folding movable handle is arranged to be folded by a folding control card and a wheelchair rear leg bracket. The folding movable handle can be adjusted to an angle for folding and storage. The four sides of the wheelchair can be folded by the folding bracket, which is convenient for storage and transportation.

[0013] The umbrella-shaped wheelchair is easy to fold and store. The heat dissipation and ventilation effect of the heat dissipation and ventilation seat cushion body can be controlled by the heat dissipation and ventilation seat cushion mechanism. The heat dissipation and ventilation fan connected to the rotating control rod is driven by the control motor to rotate in the inner cavity of the heat dissipation and ventilation seat cushion body. The heat dissipation and ventilation seat cushion body is made of breathable material as a whole. Wind can be transmitted through the inner honeycomb ventilation positioning pad, the inner honeycomb latex pad and the heat dissipation and ventilation net, so as to dissipate heat for the buttocks sitting on the upper end of the heat dissipation and ventilation seat cushion body. In summer, the heat dissipation and ventilation fan can also enhance the cooling and ventilation effect. The inner honeycomb latex pad can be taken out from the inner cavity of the heat dissipation and ventilation seat cushion body for subsequent cleaning or replacement by controlling the zipper. The inner honeycomb latex pad is positioned with the upper end of the inner support stabilization frame by Velcro, so as to enhance the firmness. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of an umbrella-shaped wheelchair that is easy to fold and store according to the utility model;

[0015] Figure 2 This is a schematic diagram of the overall structure of an umbrella-shaped wheelchair that is easy to fold and store according to the utility model;

[0016] Figure 3 This is a structural schematic diagram of a wheelchair rear leg bracket, a folding movable handle, a folding control card, a wheelchair backrest, an armrest bracket, a heat dissipation and breathable seat cushion body and a heat dissipation and breathable net of an umbrella-shaped wheelchair that is easy to fold and store;

[0017] Figure 4 This is a schematic structural diagram of a heat dissipating and breathable seat cushion body of an umbrella-shaped wheelchair that is easy to fold and store according to the utility model;

[0018] Figure 5 This is a schematic plan view of the internal structure of the heat dissipating and breathable seat cushion main body of an umbrella-shaped wheelchair that is easy to fold and store;

[0019] In the figure: 1. wheelchair rear leg support; 2. wheelchair front leg support; 3. heat dissipation and breathable seat cushion mechanism; 4. wheelchair universal casters; 5. folding movable handle; 6. folding control card; 7. wheelchair backrest; 8. armrest support; 9. front support leg support; 10. front support foot support; 301. heat dissipation and breathable seat cushion body; 302. heat dissipation and breathable net; 303. connecting zipper; 304. control zipper; 305. inner support stabilizing frame; 306. inner honeycomb breathable positioning pad; 307. inner honeycomb latex pad; 308. stabilizing support plate; 309. control motor; 310. rotating control lever; 311. heat dissipation and breathable fan; 11. folding support. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] like Figure 1-5 As shown, an umbrella-shaped wheelchair that is easy to fold and store includes a wheelchair rear leg bracket 1, a wheelchair front leg bracket 2, a heat dissipation and ventilation cushion mechanism 3 and a wheelchair backrest 7. The upper end of the wheelchair rear leg bracket 1 is movably connected with a folding movable handle 5, and the inner side of the upper end of the wheelchair rear leg bracket 1 is movably connected with a folding control card 6. The outer wall of the wheelchair rear leg bracket 1 is aligned with both sides of the rear end of the heat dissipation and ventilation cushion mechanism 3 for positioning, and the inner walls of both sides of the front end of the heat dissipation and ventilation cushion mechanism 3 are aligned with the upper outer wall of the wheelchair front leg bracket 2. The lower ends of the front leg brackets 2 of the chair are movably connected to the universal casters 4 of the wheelchair, and the middle parts of the outer walls of the rear leg brackets 1 and the front leg brackets 2 of the wheelchair are positioned and installed with folding brackets 11, and the folding brackets 11 are located at the lower ends of the heat dissipation and breathable cushion mechanism 3. The outer walls of the front leg brackets 2 of the wheelchair are fixedly connected to the front supporting leg brackets 9, and the front ends of the front supporting leg brackets 9 are movably connected to the front supporting foot brackets 10, and the outer walls of the folding movable handles 5 are provided with wheelchair backrests 7, and one side of the outer wall of the rear leg brackets 1 of the wheelchair is fixedly connected to the armrest bracket 8 for the convenience of the patient to hold on by hand.

[0022] Furthermore, the lower end of the foldable movable handle 5 is movable on the upper end of the wheelchair rear leg bracket 1 through the folding control card 6, the outer wall of the foldable movable handle 5 is mounted on the inner walls on both sides of the wheelchair backrest 7, one side of the outer wall of the wheelchair rear leg bracket 1 is fixedly connected to one end of the armrest bracket 8, and the other end of the armrest bracket 8 is fixedly connected to one side of the upper end of the wheelchair front leg bracket 2, the upper end of the outer wall of the wheelchair front leg bracket 2 is fixedly connected to the inner wall of one end of the front supporting leg frame 9, the front end outer wall of the front supporting leg frame 9 is movably connected to the inner side of the front supporting foot frame 10, thereby controlling the supporting force of the front supporting foot frame 10.

[0023] Furthermore, the heat dissipating and breathable cushion mechanism 3 includes a heat dissipating and breathable cushion body 301, a heat dissipating and breathable net 302, a connecting zipper 303, a control zipper 304, an inner supporting and stabilizing frame 305, an inner honeycomb breathable positioning pad 306, an inner honeycomb latex pad 307, a stabilizing support plate 308, a control motor 309, a rotating control rod 310 and a heat dissipating and breathable fan 311. The inner wall of the upper end of the heat dissipating and breathable cushion body 301 and the outer wall of the heat dissipating and breathable net 302 are integrally formed by sewing, and the outer wall of the heat dissipating and breathable cushion body 301 and the connecting zipper 303 are integrally formed by sewing, and one end of the connecting zipper 303 is movably connected to the control zipper 304, and the switch of the connecting zipper 303 is controlled by the control zipper 304.

[0024] Furthermore, the middle part of the inner cavity of the heat-dissipating and breathable seat cushion body 301 is fixedly connected to the outer wall of the inner supporting and stabilizing frame 305, the inner wall of the inner supporting and stabilizing frame 305 is fixedly connected to the outer wall of the inner honeycomb breathable positioning pad 306, the lower end of the inner supporting and stabilizing frame 305 is fixedly connected to the upper end of the stabilizing support plate 308, and the lower ends of the stabilizing support plates 308 are fixedly connected to the lower ends of the inner walls of the heat-dissipating and breathable seat cushion body 301, thereby strengthening the supporting force of the internal structure.

[0025] Furthermore, the inner honeycomb latex pad 307 is located at the upper part of the inner cavity of the heat dissipating and breathable seat cushion body 301, and the lower end of the inner honeycomb latex pad 307 and the upper end of the inner supporting stabilizing frame 305 are positioned by Velcro for easy fixation.

[0026] Furthermore, the control motor 309 is positioned on one side of the stable support plate 308, and one end of the control motor 309 is movably connected to a rotating control rod 310. The outer wall of the rotating control rod 310 and the inner wall of the stable support plate 308 move through a bearing, and one end of the rotating control rod 310 is movably connected to a heat dissipation and ventilation fan 311, thereby enhancing the cooling and ventilation effect.

[0027] Working principle: The wheelchair rear leg bracket 1 penetrates the inner wall of the rear end of the heat dissipation and breathable cushion body 301 and is positioned, the wheelchair front leg bracket 2 penetrates the inner wall of the front end of the heat dissipation and breathable cushion body 301 and is positioned, the wheelchair rear leg bracket 1 and the wheelchair front leg bracket 2 support the heat dissipation and breathable cushion mechanism 3, the patient can sit on the upper end of the heat dissipation and breathable cushion body 301, the hands can be placed on the upper end of the armrest bracket 8 for support, the feet can be placed on the upper end of the front support leg bracket 10 for support, and the wheelchair can be used to support the patient. The wheelchair is moved toward the casters 4. When the patient sits on the upper end of the heat dissipation and breathable cushion body 301, the heat dissipation and ventilation effect of the heat dissipation and breathable cushion body 301 is conveniently controlled by the heat dissipation and breathable cushion mechanism 3. The heat dissipation and ventilation fan 311 connected to the rotating control rod 310 is driven by the control motor 309 to rotate in the inner cavity of the heat dissipation and breathable cushion body 301. The heat dissipation and breathable cushion body 301 is made of breathable material as a whole, and the wind can be transmitted through the inner honeycomb breathable positioning pad 306 and the inner honeycomb breast The rubber pad 307 and the heat dissipation and breathable net 302 are transmitted upward, which can dissipate heat for the buttocks sitting on the upper end of the heat dissipation and breathable seat cushion body 301. In summer, the heat dissipation and breathable fan 311 also enhances the cool and breathable effect. By controlling the zipper 304 to control the switch of the connecting zipper 303, the inner honeycomb latex pad 307 can be taken out from the inner cavity of the heat dissipation and breathable seat cushion body 301 for subsequent cleaning or replacement. The inner honeycomb latex pad 307 is positioned with the upper end of the inner support and stabilization frame 305 by Velcro to enhance its firmness. The inner honeycomb latex pad 307 is made of honeycomb latex material, which has the effects of breathability, heat dissipation and softness, and also enhances the overall comfort of the heat dissipation and breathable seat cushion body 301. The folding movable handle 5 is folded between the folding control card 6 and the wheelchair rear leg bracket 1, and the folding control card 6 is pressed backward to facilitate the adjustment of the angle of the folding movable handle 5 for folding and storage. The four sides of the wheelchair can be folded using the folding bracket 11 for easy storage and transportation.

[0028] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations; moreover, the terms "include", "comprise" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus; in the absence of further restrictions, the elements defined by the sentence "comprise one..." does not exclude the presence of other identical elements in the process, method, article or apparatus that includes the elements.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model; technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An umbrella-shaped wheelchair that is easy to fold and store, comprising a wheelchair rear leg support (1), a wheelchair front leg support (2), a heat dissipating and breathable cushion mechanism (3) and a wheelchair backrest (7), characterized in that: The upper end of the wheelchair rear leg bracket (1) is movably connected to a folding movable handle (5), the inner side of the upper end of the wheelchair rear leg bracket (1) is movably connected to a folding control card (6), the outer wall of the wheelchair rear leg bracket (1) is aligned with both sides of the rear end of the heat dissipation and breathable cushion mechanism (3) for positioning, the inner walls of both sides of the front end of the heat dissipation and breathable cushion mechanism (3) are aligned with the upper outer wall of the wheelchair front leg bracket (2), the lower ends of the wheelchair rear leg bracket (1) and the wheelchair front leg bracket (2) are both movably connected to wheelchair universal casters (4), A folding bracket (11) is positioned and installed in the middle of the outer wall of the wheelchair rear leg bracket (1) and the wheelchair front leg bracket (2); the folding bracket (11) is located at the lower end of the heat dissipation and breathable cushion mechanism (3); the outer wall of the wheelchair front leg bracket (2) is fixedly connected to a front support leg bracket (9); the front end of the front support leg bracket (9) is movably connected to a front support foot bracket (10); the outer wall of the foldable movable handle (5) is provided with a wheelchair backrest (7); and one side of the outer wall of the wheelchair rear leg bracket (1) is fixedly connected to an armrest bracket (8).

2. The umbrella-shaped wheelchair that is easy to fold and store according to claim 1, characterized in that: The lower end of the foldable movable handle (5) is movable on the upper end of the wheelchair rear leg bracket (1) through a folding control card (6); the outer wall of the foldable movable handle (5) is sleeved with the inner walls of both sides of the wheelchair backrest (7); one side of the outer wall of the wheelchair rear leg bracket (1) is fixedly connected to one end of the armrest bracket (8); the other end of the armrest bracket (8) is fixedly connected to one side of the upper end of the wheelchair front leg bracket (2); the upper end of the outer wall of the wheelchair front leg bracket (2) is fixedly connected to the inner wall of one end of the front support leg bracket (9); and the front end outer wall of the front support leg bracket (9) is movably connected to the inner side of the front support foot bracket (10).

3. The umbrella-shaped wheelchair that is easy to fold and store according to claim 2, characterized in that: The heat dissipation and breathable cushion mechanism (3) comprises a heat dissipation and breathable cushion body (301), a heat dissipation and breathable net (302), a connecting zipper (303), a control zipper (304), an inner support stabilizing frame (305), an inner honeycomb breathable positioning pad (306), an inner honeycomb latex pad (307), a stabilizing support plate (308), a control motor (309), a rotating control rod (310) and a heat dissipation and breathable fan (311); the inner wall of the upper end of the heat dissipation and breathable cushion body (301) and the outer wall of the heat dissipation and breathable net (302) are integrally formed by sewing; the outer wall of the heat dissipation and breathable cushion body (301) and the connecting zipper (303) are integrally formed by sewing; and one end of the connecting zipper (303) is movably connected to the control zipper (304).

4. The umbrella-shaped wheelchair that is easy to fold and store according to claim 3, characterized in that: The middle part of the inner cavity of the heat dissipating and breathable cushion body (301) is fixedly connected to the outer wall of the inner supporting and stabilizing frame (305), the inner wall of the inner supporting and stabilizing frame (305) is fixedly connected to the outer wall of the inner honeycomb breathable positioning pad (306), the lower end of the inner supporting and stabilizing frame (305) is fixedly connected to the upper end of the stabilizing support plate (308), and the lower end of the stabilizing support plate (308) is fixedly connected to the lower end of the inner wall of the heat dissipating and breathable cushion body (301).

5. The umbrella-shaped wheelchair that is easy to fold and store according to claim 4, characterized in that: The inner honeycomb latex pad (307) is located at the upper part of the inner cavity of the heat dissipating and breathable cushion body (301), and the lower end of the inner honeycomb latex pad (307) and the upper end of the inner supporting stabilizing frame (305) are positioned by Velcro.

6. The umbrella-shaped wheelchair that is easy to fold and store according to claim 5, characterized in that: The control motor (309) is located on one side of the stable support plate (308) for positioning; one end of the control motor (309) is movably connected to a rotating control rod (310); an outer wall of the rotating control rod (310) and an inner wall of the stable support plate (308) are movable via a bearing; one end of the rotating control rod (310) is movably connected to a heat dissipation and ventilation fan (311).

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