WO2018201612A1 - Quick disassembled and easily combined adjustable wheelchair - Google Patents

Abstract

A quick disassembled and easily combined adjustable wheelchair, comprising a frame assembly (1), a seat cushion assembly (3), armrest assemblies (2), a movable foot stand (4), a brake assembly (7), rear wheels (5), and universal wheels (6); the frame assembly (1) is mounted with the seat cushion assembly (3); the armrest assemblies (3) are mounted on both sides of the seat cushion assembly (3) and assembled on the frame assembly (1); the movable foot stand (4) is connected to a front end of the frame assembly (1); the rear wheels (5) and the universal wheels (6) are respectively disposed on the frame assembly (1); and the brake assembly (7) is disposed on one side of the frame assembly (1). The wheelchair is reasonable in structure, and the armrest assemblies (2) and the movable foot stand (4) are assembled in a combined manner, so that the wheelchair can be quickly disassembled and installed and conveniently moved; the height of each armrest panel (207) and the angle of the movable foot stand (4) can be freely adjusted according to a comfort requirement; the seat cushion assembly (3) is provided with an extension pad (303); the extension pad (303) can be adjusted by adjusting a frame connection block (105) disposed on the frame assembly (1), thus achieving the adjustment of seat depth dimension; and the seat cushion assembly (3) can be folded or extended correspondingly to match the seat depth dimension for further improving the comfort.

Description

Quick release and easy combination adjustable wheelchair Technical field

The invention relates to the technical field of wheelchairs, in particular to a quick release and easy combination adjustable wheelchair.

Background technique

With the increasing speed of China's population aging and the prevalence of the crowds of young and middle-aged laborers in the labor market, the living of the empty nesters has become a common concern of the society. In addition, with the general development of public welfare activities and caring for disabled people in China, more and more people are aware that providing independent and self-supporting auxiliary equipment for disabled people (especially those with leg disabilities) is to help disabled people build confidence. The only way to a happy life.

Wheelchairs are an important tool for rehabilitation. They are not only a means of transport for physically handicapped people, but more importantly, they are able to exercise and participate in social activities with the help of wheelchairs. Ordinary wheelchairs generally consist of a wheelchair frame, wheels, brakes and a backrest. At present, most wheelchairs are fixedly installed in the armrest part, the seat cushion part and the tripod part, and cannot be quickly disassembled. For the disabled (especially those with leg disabilities), move from the wheelchair to the bed or other places. Fixed-mounted handrails and tripods have an impact on movement. For most disabled people, due to their flexibility, they have to spend most of their time in wheelchairs and stay in wheelchairs for a long time. A sitting position can also cause fatigue, and the rear wheels are fixedly installed and cannot be replaced as appropriate.

With the advancement of technology, the improvement of living conditions, and the increasing functional requirements for wheelchairs, it is inevitable that its components will be continuously improved to meet the ever-increasing user requirements, in order to improve Comfort, the current wheelchair device is more and more complicated, and the cost is relatively higher, which is a burden for the ordinary people.

Therefore, in view of the above problems, the present invention proposes a new technical solution.

Summary of the invention

The object of the present invention is to provide a quick-disassembling and easy-adjustable adjustable wheelchair. The structure of the invention is reasonable, and the armrest and the tripod of the wheelchair are installed by a buckle, which is convenient for disassembly and installation. At the same time, the tripod can be rotated and the armrest can be adjusted. The height is low, which effectively improves the comfort. The seat cushion can be lengthened by adjusting the extension pad to further improve the comfort. Moreover, the driving wheel required for installation can be selected according to the ground conditions.

The present invention is achieved by the following technical solutions:

A quick release and easy combination adjustable wheelchair, comprising a frame assembly, a seat cushion assembly, an armrest assembly, a movable tripod, a brake assembly, a rear wheel and a universal wheel, wherein the frame assembly is mounted with a seat a pad assembly, the armrest assembly is mounted on both sides of the armrest assembly, the armrest assembly is mounted on the frame assembly, and the movable frame is connected to the front end of the frame assembly, the frame assembly There are respectively a rear wheel and a universal wheel, and a brake assembly is arranged on one side of the frame assembly;

The frame assembly includes a back pipe, a frame piece, a frame connecting block and a first rear wheel mounting plate, the back pipe includes an upper back pipe and a lower back pipe, and the upper back pipe and the lower back A folding back mechanism is disposed before the pipe, the upper back pipe is provided with a hand grip, the lower back pipe is connected to the frame connecting block, and the frame connecting block is provided with a handrail buckle, the frame The sheet is divided into an upper frame piece and a lower frame piece, the frame connecting block is sleeved on the upper frame piece, and the first rear wheel mounting plate is arranged between the upper frame piece and the lower frame piece. The first rear wheel mounting plate cooperates with the frame connecting block, and the upper frame piece is mounted with an armrest socket, a tie rod and a socket block, and the lower vehicle The front end of the lower frame is provided with a fixing block, and the rear end of the lower frame piece is provided with a rear bottom casing;

The seat cushion assembly includes a seat cushion body, and a mandrel is disposed on both sides of the seat cushion body, and an extension pad is disposed on the core rod;

The armrest assembly includes an armrest body, a rear end of the armrest body is provided with an armrest connecting block, and a lower end of the armrest connecting block is provided with an armrest guiding block, and the armrest guiding block is connected with the frame connecting block, the armrest body An armrest buckle is arranged in front of the handrail, and the armrest buckle is matched with the armrest socket. The armrest body is fixedly mounted with a skirt plate. The armrest body is provided with an armrest bushing, and the upper end of the armrest bushing is connected with an activity. a lever, the upper end of the movable rod is fixedly mounted with an armrest panel, and the armrest bushing and the movable rod cooperate with a spring cotter pin and a pull handle mounted on the armrest body to complete height adjustment of the armrest panel;

The movable tripod includes a tripod tube, a bracket tube, a foot pedal and a tripod buckle set, the tripod tube is connected to the lower frame piece, and the lower end of the tripod tube is connected to the bracket tube, and the bracket tube a lower end is connected to the foot pedal, and an upper end of the tripod tube is provided with a tripod buckle set, and the tripod buckle set is connected with the fixed block;

The rear wheel is coupled to the frame assembly through a first rear wheel mounting plate, and the universal wheel is coupled to the lower frame piece.

Further, the upper frame piece and the lower frame piece are provided with a plurality of corresponding hole slots, and the frame connection block is also provided with a plurality of hole slots of the same aperture, and the first rear wheel mounting plate can be Select the frame of the frame and the hole of the lower frame to achieve different mounting positions.

Further, the extension distance of the extension pad is achieved by adjusting the mounting position of the frame connecting block.

Further, the armrest assembly passes through the armrest buckle and the armrest socket, and the armrest guide The guide block and the armrest buckle on the frame connection block cooperate to achieve quick installation and disassembly.

Further, the tripod trigger set includes a tripod buckle, a tripod buckle seat, a compression spring and a tripod positioning pin, the tripod buckle seat is connected to the tripod tube at one end, and the other end is connected to the fixed block. The tripod buckle seat is provided with a tripod buckle at the upper end, and the movable tripod is fastly installed and disassembled by the cooperation of the tripod buckle, the compression spring and the tripod positioning pin.

Further, a folding rod is disposed under the seat cushion assembly, and the folding rod is connected to the frame assembly through the movable roller and cooperates with the pulling rod of the upper frame piece.

Further, the first mounting plate of the rear wheel is provided with a plurality of mounting holes, and the mounting holes of different heights can be selected according to the size of the rear wheel.

Further, a lower mounting end of the lower frame piece may be mounted with a second mounting plate for mounting a rear wheel that is not applicable to the first mounting plate.

Further, the upper end of the tripod tube is provided with a tripod block, and the movable tripod is connected with the lower frame piece on the frame assembly through the tripod block, and the movable tripod is realized by the tripod block. The rotation, the angle of rotation is 0 to 180 degrees.

The beneficial effects of the invention are:

1. The wheelchair structure proposed by the invention is reasonable, and the armrest assembly and the movable tripod are all assembled in a combined manner, which can be quickly disassembled and installed, which facilitates the movement of the disabled;

2. The height of the wheelchair armrest and the angle of the tripod proposed by the present invention can be freely adjusted according to the requirements of the comfort. At the same time, an extension pad is added to the seat cushion, and the extension can be adjusted by adjusting the frame connecting block on the frame assembly. The pad is adjusted to the depth of the seat, and the seat cushion can be folded or extended to match the seat depth to further improve the comfort;

3. The rear wheel can be effectively operated by the first rear wheel mounting plate or the second rear wheel mounting plate. The rear wheel of different specifications is selected for installation to improve the comfort of travel, and the rear seat angle of the wheelchair and the backward tilt angle of the wheelchair can be adjusted by selecting the rear wheels of different specifications;

4. The wheelchair provided by the invention is foldable and convenient to carry. At the same time, the armrest assembly, the rear wheel and the movable tripod are all quick-released for convenient placement.

DRAWINGS

Figure 1 is a schematic view of the structure of the present invention;

Figure 2 is an exploded view of the frame assembly;

Figure 3 is an exploded view of the armrest assembly;

Figure 4 is an exploded view of the movable stand;

Figure 5 is a schematic structural view of a seat cushion assembly;

Figure 6 is a schematic structural view of a folding rod;

Fig. 7 is an effect view of the second mounting board.

Among them: 1, frame assembly, 2, armrest assembly, 3, seat cushion assembly, 4, movable tripod, 5, rear wheel, 6, universal wheel, 7, brake assembly, 8, movable roller, 9. Folding rod, 101, upper back tube, 102, lower back tube, 103, folding back mechanism, 104, hand grip, 105, frame connecting block, 106, handrail buckle, 107, upper frame piece, 108, lower frame piece, 109, first rear wheel mounting plate, 110, armrest socket, 111, tie rod, 112, tube seat block, 113, fixed block, 114, rear bottom casing, 115, slot, 116 , mounting hole, 201, armrest body, 202, armrest connecting block, 203, armrest guiding block, 204, armrest clasp, 205, skirt board, 206, movable rod, 207, armrest panel, 208, spring cotter pin, 209 , handle, 210, armrest bushing, 301, seat cushion body, 302, mandrel, 303, extension pad, 401, tripod tube, 402, bracket tube, 403, foot pedal, 404, tripod buckle, 405, tripod trip seat, 406, Pressure spring, 407, tripod positioning pin, 408, tripod block, 501, second mounting plate.

detailed description

The invention will now be further described with reference to the drawings and embodiments.

As shown in Figure 1, a quick release easy combination adjustable wheelchair, including frame assembly 1, seat cushion assembly 3, armrest assembly 2, movable foot frame 4, brake assembly 7, rear wheel 5 and universal Wheel 6, the seat frame assembly 1 is equipped with a seat cushion assembly 3, and the armrest assembly 2 is mounted on both sides of the seat cushion assembly 3, and the armrest assembly 2 is mounted on the frame assembly 1, the front end of the frame assembly 1 The movable stand 4 is connected to the rear frame 5 and the universal wheel 6 respectively on the frame assembly 1, and the brake assembly 7 is provided on the side of the frame assembly 1.

The frame assembly shown in FIG. 2 includes a back pipe, a frame piece, a frame connecting block 105 and a first rear wheel mounting plate 109. The back pipe includes an upper back pipe 101 and a lower back pipe 102, and the upper back pipe A folding back mechanism 103 is disposed in front of the bottom back pipe 102, and a handle 104 is disposed at the end of the upper back pipe 101, and the frame connecting block 105 is connected to the lower back pipe 102. The frame connecting block 105 is provided with a handrail buckle. 106. The frame piece is divided into an upper frame piece 107 and a lower frame piece 108. The frame connecting block 105 is sleeved on the upper frame piece 107, and the upper frame piece 107 and the lower frame piece 108 are provided with a first frame. A rear wheel mounting plate 109, the first rear wheel mounting plate 109 cooperates with the frame connecting block 105, and the upper frame piece 107 is mounted with the armrest socket 110, the pull rod 111 and the socket block 112, and the front end of the lower frame piece 108 A fixing block 113 is disposed, and a rear bottom sleeve 114 is disposed at a rear end of the lower frame piece 108. The upper frame piece 107 and the lower frame piece 108 are provided with a plurality of corresponding hole slots 115, and the frame connecting block 105 is also A plurality of holes 115 of the same aperture are opened, and the first rear wheel mounting plate 109 can select the frame 115 of the frame connecting block 105 and the lower frame piece 108 to achieve different mounting positions, thereby achieving adjustment. The front and rear wheel spacing, fine-tuning the effect of the wheelchair back tilt angle. A plurality of mounting holes 116 are defined in the first mounting plate 109 of the rear wheel. The mounting holes 116 of different heights can be selected according to the size of the rear wheel 5, thereby achieving the effect of adjusting the height of the seat and the angle of the back tilt of the wheelchair.

The seat cushion assembly 3 includes a seat cushion body 301, and a mandrel 302 is disposed on both sides of the seat cushion body 301, and an extension pad 303 is disposed on the core rod 302. The mounting position of the frame connecting block 105 is adjusted. The extension distance of the extension pad 303 is realized; by adjusting the frame connection block 105 on the frame assembly 1, the extension pad 303 can be adjusted to adjust the seat depth dimension, and the seat pad body 301 can be folded or extended correspondingly to match the seat depth dimension. To improve comfort.

As shown in FIG. 3, the armrest assembly 2 includes an armrest body 201. The rear end of the armrest body 201 is provided with an armrest connecting block 202. The lower end of the armrest connecting block 202 is provided with an armrest guiding block 203, and the armrest guiding block 203 is connected with the frame connecting block 105. The armrest body 201 can be provided with an armrest buckle 204. The armrest buckle 204 is matched with the armrest socket 110. The armrest body 201 is fixedly mounted with a skirt plate 205. The armrest body 201 is provided with an armrest bushing 210, and the armrest bushing A movable rod 206 is connected to the upper end of the movable rod 206. The upper end of the movable rod 206 is fixedly mounted with an armrest panel 207. The armrest bushing 207 and the movable rod 206 cooperate with the spring opening pin 208 and the pulling handle 209 mounted on the armrest body 201 to complete the armrest panel 207. Height adjustment. The armrest assembly 2 is coupled to the armrest socket 110 by the armrest buckle 204, and the armrest guiding block 203 and the armrest buckle 106 on the frame connecting block 105 for quick installation and disassembly. By pulling the armrest buckle 204, the front fixing pin can be loosened to make the armrest active, and the armrest assembly 2 can be removed, and the armrest buckle 106 of the rear fixing pin needs to be loosened, and the armrest buckle is pulled back, and then After turning 90 degrees inward, the armrest assembly 2 is taken up.

As shown in FIG. 4, the movable tripod 4 includes a tripod tube 401, a bracket tube 402, a foot pedal 403 and a tripod buckle set. The tripod tube 401 is connected to the lower frame piece 108, and the lower end of the tripod tube 401 is connected. The bracket tube 402, the lower end of the bracket tube 402 is connected with the foot pedal 403, the upper end of the tripod tube 401 is provided with a tripod wrench set, the tripod buckle set is connected with the fixed block 113; the tripod buckle set comprises a tripod buckle 404 a tripod holder 405, a compression spring 406 and a tripod positioning pin 407. One end of the tripod holder 405 is connected to the tripod tube 401, and the other end is connected to the fixed block 113. The upper end of the tripod trip seat 405 is provided with a foot. The frame buckle 404, the movable foot frame 4 is fast assembled and disassembled by the cooperation of the tripod buckle 404, the compression spring 406 and the tripod positioning pin 407. The upper end of the tripod tube 401 is provided with a tripod block 408, and the movable tripod 4 is connected to the lower frame piece 108 on the frame assembly 1 through the tripod block 408, and the movable stand is realized by the tripod block 408. The rotation of 4, the angle of rotation is 0 to 180 degrees.

As shown in FIG. 1, the rear wheel 5 is coupled to the frame assembly 1 via a first rear wheel mounting plate 109, and the universal wheel 6 is coupled to the lower frame piece 108.

As shown in FIGS. 1 and 6, a folding lever 9 is provided below the seat cushion assembly 3, and the folding lever 9 is coupled to the frame assembly 1 via the movable roller 8, and is engaged with the lever 111 of the upper frame piece 107.

As shown in FIG. 7, the lower end of the lower frame piece 108 can be mounted with a second mounting plate 501 for mounting the rear wheel 5 to which the first mounting plate 109 is not applicable.

The beneficial effects of the invention are:

1. The wheelchair structure proposed by the invention is reasonable, and the armrest assembly and the movable tripod are all assembled in a combined manner, which can be quickly disassembled and installed, which facilitates the movement of the disabled;

2. The height of the wheelchair armrest and the angle of the tripod proposed by the present invention can be freely adjusted according to the requirements of the comfort. At the same time, the seat cushion is provided with an extension pad, which can be adjusted by adjusting the frame assembly. The frame connecting block adjusts the extension pad to adjust the seat depth dimension, and the seat cushion can be folded or extended correspondingly to match the seat depth dimension, thereby further improving comfort;

3. The rear wheel can effectively select the rear wheels of different specifications for installation by the function of the first rear wheel mounting plate or the second rear wheel mounting plate, thereby improving the comfort of travel, and can be adjusted by selecting different specifications of the rear wheels. Seat height and back tilt angle of the wheelchair;

4. The wheelchair provided by the invention is foldable and convenient to carry. At the same time, the armrest assembly, the rear wheel and the movable tripod are all quick-released for convenient placement.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims (9)

A quick release and easy combination adjustable wheelchair, comprising a frame assembly, a seat cushion assembly, an armrest assembly, a movable tripod, a brake assembly, a rear wheel and a universal wheel, characterized in that: the frame assembly Mounted on the seat cushion assembly, the armrest assembly is mounted on the frame assembly, and the armrest assembly is mounted on the frame assembly, and the front end of the frame assembly is connected with a movable leg. a rear wheel and a universal wheel are respectively arranged on the frame assembly, and a brake assembly is arranged on one side of the frame assembly; The frame assembly includes a back pipe, a frame piece, a frame connecting block and a first rear wheel mounting plate, the back pipe includes an upper back pipe and a lower back pipe, and the upper back pipe and the lower back A folding back mechanism is disposed before the pipe, the upper back pipe is provided with a hand grip, the lower back pipe is connected to the frame connecting block, and the frame connecting block is provided with a handrail buckle, the frame The sheet is divided into an upper frame piece and a lower frame piece, the frame connecting block is sleeved on the upper frame piece, and the first rear wheel mounting plate is arranged between the upper frame piece and the lower frame piece. The first rear wheel mounting plate cooperates with the frame connecting block, and the upper frame piece is mounted with an armrest socket, a pull rod and a socket block, and the front frame of the lower frame piece is provided with a fixing block, the lower frame a rear end sleeve is arranged at the rear end of the sheet; The seat cushion assembly includes a seat cushion body, and a mandrel is disposed on both sides of the seat cushion body, and an extension pad is disposed on the core rod; The armrest assembly includes an armrest body, a rear end of the armrest body is provided with an armrest connecting block, and a lower end of the armrest connecting block is provided with an armrest guiding block, and the armrest guiding block is connected with the frame connecting block, the armrest body An armrest buckle is arranged in front of the handrail, and the armrest buckle is matched with the armrest socket. The armrest body is fixedly mounted with a skirt plate. The armrest body is provided with an armrest bushing, and the upper end of the armrest bushing is connected with an activity. a lever, the upper end of the movable rod is fixedly mounted with an armrest panel, the armrest bushing, the movable rod and a spring cotter pin mounted on the armrest body and The handle is matched to complete the height adjustment of the armrest panel; The movable tripod includes a tripod tube, a bracket tube, a foot pedal and a tripod buckle set, the tripod tube is connected to the lower frame piece, and the lower end of the tripod tube is connected to the bracket tube, and the bracket tube a lower end is connected to the foot pedal, and an upper end of the tripod tube is provided with a tripod buckle set, and the tripod buckle set is connected with the fixed block; The rear wheel is coupled to the frame assembly through a first rear wheel mounting plate, and the universal wheel is coupled to the lower frame piece. The quick-disconnecting and adjustable adjustable wheelchair according to claim 1, wherein the upper frame and the lower frame are provided with a plurality of corresponding hole slots, and the frame connection block is also opened. A plurality of holes of the same aperture, the first rear wheel mounting plate can select the slot of the frame connecting block and the lower frame piece to achieve different mounting positions. A quick release adjustable wheelchair according to claim 1, wherein the extending distance of the extension pad is achieved by adjusting the mounting position of the frame connecting block. 1 . The quick release easy-adjustable adjustable wheelchair according to claim 1 , wherein the armrest assembly is matched with the armrest socket by the armrest buckle, and the armrest guiding block and the armrest buckle on the frame connecting block. For quick installation and removal. The quick release easy-adjustable adjustable wheelchair according to claim 1 , wherein the tripod buckle set comprises a tripod buckle, a tripod buckle seat, a compression spring and a tripod positioning pin, the foot One end of the trip socket is connected to the tripod tube, and the other end is connected to the fixed block. The upper end of the tripod buckle seat is provided with a tripod buckle, and the movable tripod is fixed by the tripod buckle, the compression spring and the tripod. The pin fits for quick installation and removal. A quick release easy-adjustable adjustable wheelchair according to claim 1, wherein: A folding rod is disposed under the seat cushion assembly, and the folding rod is coupled to the frame assembly through the movable roller and cooperates with the pull rod of the upper frame piece. The quick-disconnecting and adjustable adjustable wheelchair according to claim 1, wherein the first mounting plate of the rear wheel is provided with a plurality of mounting holes, and the mounting holes of different heights can be selected according to the size of the rear wheel. . The quick release easy-adjustable adjustable wheelchair according to claim 1, wherein the lower frame end of the lower frame piece can be mounted with a second mounting plate, and the second mounting plate is used for mounting the first mounting plate. rear wheel. The quick-disconnecting and adjustable adjustable wheelchair according to claim 1, wherein the upper end of the tripod tube is provided with a tripod block, and the movable tripod is connected to the frame assembly through the tripod block and the frame assembly. The lower frame pieces are connected, and the movable stand is rotated by the tripod block, and the rotation angle is 0 to 180 degrees.

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