CN219557845U - Wheelchair capable of being quickly disassembled and assembled - Google Patents

Abstract

The utility model discloses a wheelchair capable of being quickly disassembled and assembled, which comprises a back plate, a seat plate and leg plates, wherein the back plate and the seat plate are rotationally connected together through connecting pieces, a supporting rod is fixedly connected to the lower surface of the seat plate, a bearing is fixedly connected to the lower surface of the supporting rod far away from the seat plate, a rotating shaft is arranged in the bearing, threads are arranged on the surface of the rotating shaft and close to the edges of two ends, locking nuts are arranged on the surface of the threads, and a main wheel is arranged on the surface of the rotating shaft. Through above-mentioned structure, through setting up the pivot to limit groove and screw thread have been seted up on the surface of pivot, and at the inboard surface of main wheel and the inboard surface mounting stopper of bearing, can use simple instrument to demolish and install the main wheel of wheelchair fast in the short time, make the wheelchair dismantle the main wheel when carrying can further reduce the occupation of land space of wheelchair, can fast assembly when needing to use, the practicality is stronger.

Description

Wheelchair capable of being quickly disassembled and assembled

Technical Field

The utility model relates to the technical field of wheelchairs, in particular to a wheelchair capable of being quickly disassembled and assembled.

Background

The wheelchair is an important tool for rehabilitation, is not only a walking tool for disabled limbs, but also is used for physical exercise and social activities by means of the wheelchair, the existing wheelchair is used outdoors in a home or in a short distance intelligently, and the wheelchair is inconvenient to transport and carry in a trunk of a household automobile due to large occupied space.

At present, the occupied space of the wheelchair is reduced by adopting a mode of folding the wheelchair so as to achieve the purpose of improving the portability of the wheelchair, and although the wheelchair can be folded, the main wheels of the wheelchair cannot be disassembled in a short time, so that the folded wheelchair still occupies a larger space.

Disclosure of Invention

The utility model provides a wheelchair capable of being quickly disassembled and assembled, which can quickly disassemble and assemble the main wheel of the wheelchair by using a simple tool in a short time, so that the occupied space of the wheelchair can be further reduced by disassembling the main wheel when the wheelchair is transported and carried, the wheelchair can be quickly assembled when in use, and the wheelchair has higher practicability.

In order to achieve the above-mentioned purpose, provide a but quick assembly disassembly's wheelchair, including backplate, seat and leg board, rotate through the connecting piece between backplate and the seat and between seat and the leg board and link together, the lower fixed surface of seat is connected with the bracing piece, the lower fixed surface that the seat was kept away from to the bracing piece is connected with the bearing, the internally mounted of bearing has the pivot, the surface of pivot just is close to both ends edge and is provided with the screw thread, threaded surface mounting has lock nut, the surface mounting of pivot has the main wheel, the position of main wheel is located between lock nut and the bearing, the inboard surface of bearing and the inboard surface of main wheel are all fixedly connected with stopper, the spacing groove has been seted up to the surface of pivot, the spacing groove is connected with the stopper cooperation. Through setting up the bracing piece for the convenience links together seat and bearing, play the effect of carrying out the location support, can freely carry out pivoted effect in order to make things convenient for the pivot through setting up the bearing, be for the effect of conveniently fixing a position the installation to the main wheel through setting up the screw thread for the convenience cooperates with lock nut, thereby the effect of location locking is carried out to the main wheel, be for the effect of conveniently supporting the wheelchair removal through setting up the main wheel, be for the convenience cooperates with the stopper through setting up the spacing groove, make the pivot can carry out the effect of synchronous pivot with the main wheel.

According to the wheelchair capable of being quickly disassembled and assembled, the limiting pieces are movably connected between the back plate and the seat plate and between the seat plate and the leg plates, the limiting pieces can be folded from the middle, and the positioning blocks are fixedly connected to the surfaces of the limiting pieces. Through setting up the locating piece for the angle that convenient restriction backplate and leg board were expanded, and then improve the effect of the stability of wheelchair, be in order to prevent that the locating piece from excessively buckling through setting up the locating piece, and then lead to losing the effect of spacing effect.

According to the wheelchair capable of being quickly disassembled and assembled, the rotating pin is installed in the leg plate in a penetrating manner and close to the edge of the bottom, two ends of the rotating pin are movably connected with auxiliary wheels, and the mounting piece is fixedly connected to the front side surface of the leg plate and close to the edge of the bottom. The auxiliary wheels are arranged to be convenient to cooperate with the driving wheels to position and support the wheelchair, and the installation pieces are arranged to be convenient to position and install the pedals.

According to the wheelchair capable of being quickly disassembled and assembled, the bottom of the mounting piece is fixedly connected with the supporting block, the front side surface of the mounting piece, which is far away from the leg plates, is fixedly connected with the foot pedal, and the mounting piece can be rotated and folded from the middle. The supporting block is arranged to prevent the pedal from losing the supporting effect caused by excessive bending of the mounting piece.

According to the wheelchair capable of being quickly disassembled and assembled, the back plate and the seat plate are movably connected with handrails, each handrail consists of two positioning rods, the positioning rods are rotationally connected through positioning pins, and the positioning rods are movably connected with the back plate and the seat plate through the positioning pins. Plays a role in facilitating folding.

According to the wheelchair capable of being quickly disassembled and assembled, the fixing rods are fixedly connected to the rear side surface of the back plate and close to the left side edge and the right side edge. The fixed rod is arranged to facilitate the wheelchair to be pushed to move.

According to the wheelchair capable of being quickly disassembled and assembled, the side surfaces of the back plate, the seat plate and the leg plates, which are in contact with a human body, are wrapped by using sponge. Plays a role in conveniently improving riding comfort.

The utility model has the beneficial effects that: through setting up the pivot to seting up spacing groove and screw thread on the surface of pivot, and at the inboard surface of main wheel and the inboard surface mounting stopper of bearing, can using simple instrument to demolish and install the main wheel of wheelchair fast in the short time, make the wheelchair dismantle the main wheel when carrying can further reduce the occupation of land space of wheelchair, can fast assembly when needing to use, the practicality is stronger.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic view of the internal structure of a wheelchair capable of being quickly assembled and disassembled;

FIG. 2 is a schematic view of the external structure of a wheelchair capable of being quickly assembled and disassembled according to the present utility model;

FIG. 3 is a perspective view showing the structure of a rotating shaft of a wheelchair capable of being quickly assembled and disassembled according to the present utility model;

FIG. 4 is an enlarged view of FIG. 1A in accordance with the present utility model;

fig. 5 is an enlarged view of B of fig. 1 in accordance with the present utility model.

Legend description:

1. a back plate; 2. an armrest; 3. a limiting piece; 4. a seat plate; 5. a support rod; 6. a main wheel; 7. a bearing; 8. a rotating shaft; 9. a connecting piece; 10. leg plates; 11. a foot pedal; 12. a fixed rod; 13. a lock nut; 14. an auxiliary wheel; 15. a limit groove; 16. a mounting member; 17. a support block; 18. and a limiting block.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1 to 5, a wheelchair capable of being quickly assembled and disassembled according to an embodiment of the present utility model includes a back plate 1, a seat 4 and a leg plate 10, the back plate 1 and the seat 4 and the leg plate 10 are rotatably connected together by a connecting member 9, a support rod 5 is fixedly connected to the lower surface of the seat 4, a bearing 7 is fixedly connected to the lower surface of the support rod 5 away from the seat 4, a rotating shaft 8 is installed inside the bearing 7, threads are provided on the surface of the rotating shaft 8 near the edges of both ends, locking nuts 13 are installed on the surface of the threads, a main wheel 6 is installed on the surface of the rotating shaft 8, the position of the main wheel 6 is located between the locking nuts 13 and the bearing 7, the inside surface of bearing 7 and the inside surface of main wheel 6 are all fixedly connected with stopper 18, limit groove 15 has been seted up on the surface of pivot 8, limit groove 15 and stopper 18 cooperation are connected, the quantity of stopper 18 and limit groove 15 is a plurality of and quantity and position homoenergetic correspond, a plurality of stoppers 18 and limit groove 15 all use the central line of pivot 8 to carry out annular array setting as circular, be provided with brake equipment on the main wheel 6, brake equipment utilizes the pressure extrusion friction block to contact with main wheel 6, friction between increase friction block and the main wheel 6 has realized braking effect, its theory of operation is the same with the braking principle of bicycle.

The limiting pieces 3 are movably connected between the back plate 1 and the seat plate 4 and between the seat plate 4 and the leg plates 10, the limiting pieces 3 can be folded from the middle, positioning blocks are fixedly connected to the surfaces of the limiting pieces 3, and the limiting pieces 3 are rotatably connected with the back plate 1 and the seat plate 4.

The inside of leg board 10 just is close to bottom edge department and runs through and install the round pin, and the both ends swing joint of round pin has auxiliary wheel 14, and the front side surface of leg board 10 just is close to bottom edge department fixedly connected with mounting 16, and the bottom fixedly connected with supporting shoe 17 of mounting 16, the front side surface fixedly connected with running-board 11 of leg board 10 is kept away from to mounting 16, and mounting 16 can rotate the folding from the centre.

The back plate 1 and the seat plate 4 are movably connected with the armrest 2, the armrest 2 is composed of two positioning rods, the positioning rods are rotationally connected through positioning pins, and the positioning rods are movably connected with the back plate 1 and the seat plate 4 through the positioning pins.

The back side surface of the back plate 1 and the side surfaces, which are close to the left side edge and the right side edge, of the back plate 1, the seat plate 4 and the leg plate 10 are all fixedly connected with fixing rods 12, and the side surfaces which are in contact with a human body are wrapped by using sponge.

Working principle: when the wheelchair is required to be carried, the back plate 1 and the leg plates 10 can be folded by knocking the limiting piece 3 to bend the limiting piece, then the locking nut 13 is screwed to detach the main wheel 6 from the rotating shaft 8, at the moment, the occupied space of the wheelchair is minimum, and the wheelchair can be carried into the trunk by hands.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (7)

1. But quick assembly disassembly's wheelchair, including backplate (1), seat (4) and leg board (10), its characterized in that, between backplate (1) and seat (4) and between seat (4) and leg board (10) through connecting piece (9) rotation link together, the lower fixed surface of seat (4) is connected with bracing piece (5), the lower fixed surface that seat (4) was kept away from to bracing piece (5) is connected with bearing (7), the internally mounted of bearing (7) has pivot (8), the surface of pivot (8) just is close to both ends edge and is provided with the screw thread, the surface mounting of screw thread has lock nut (13), the surface mounting of pivot (8) has leading wheel (6), the position of leading wheel (6) is located between lock nut (13) and bearing (7), the inboard surface of bearing (7) and the inboard surface of leading wheel (6) are all fixedly connected with stopper (18), spacing groove (15) have been seted up on the surface of pivot (8), spacing groove (15) and spacing groove (18) cooperation are connected.

2. The wheelchair capable of being quickly disassembled and assembled according to claim 1, wherein a limiting piece (3) is movably connected between the back plate (1) and the seat plate (4) and between the seat plate (4) and the leg plate (10), the limiting piece (3) can be folded from the middle, and a positioning block is fixedly connected to the surface of the limiting piece (3).

3. The wheelchair capable of being quickly disassembled and assembled according to claim 1, wherein a rotating pin is installed inside the leg plate (10) and near the bottom edge in a penetrating manner, two ends of the rotating pin are movably connected with auxiliary wheels (14), and a mounting piece (16) is fixedly connected to the front side surface of the leg plate (10) and near the bottom edge.

4. A wheelchair capable of being quickly disassembled and assembled according to claim 3, wherein the bottom of the mounting member (16) is fixedly connected with a supporting block (17), the front side surface of the mounting member (16) far away from the leg plate (10) is fixedly connected with a foot pedal (11), and the mounting member (16) can be rotated and folded from the middle.

5. The wheelchair capable of being quickly disassembled and assembled according to claim 1, wherein an armrest (2) is movably connected between the back plate (1) and the seat plate (4), the armrest (2) is composed of two positioning rods, the positioning rods are rotatably connected through positioning pins, and the positioning rods are movably connected with the back plate (1) and the positioning rods and the seat plate (4) through positioning pins.

6. A quickly detachable wheelchair according to claim 1, characterized in that the back surface of the back plate (1) is fixedly connected with a fixing rod (12) near the left and right side edges.

7. A wheelchair according to claim 1, characterized in that the side surfaces of the back plate (1), seat plate (4) and leg plate (10) which are in contact with the human body are all wrapped with sponge.