CN216168366U

CN216168366U - Portable folding wheelchair

Info

Publication number: CN216168366U
Application number: CN202122707310.5U
Authority: CN
Inventors: 黄建文
Original assignee: Foshan Gaoming Xiangyuanheng Medical Technology Co ltd
Current assignee: Foshan Gaoming Xiangyuanheng Medical Technology Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-05
Anticipated expiration: 2031-11-05

Abstract

The utility model relates to the technical field of folding wheelchairs, in particular to a portable folding wheelchair, which comprises a support frame, a mounting plate, wheels, a base plate and a clamping block, wherein the support frame is fixedly connected with the mounting plate; the support frames on the two sides are rotatably provided with backup plates, the support frames are provided with side plates, and the side plates are rotatably provided with gears A; the mounting plate is arranged on the support frame, the wheels are arranged on the mounting plate, the end parts of wheel shafts of the wheels are provided with gears B, and the gears B are meshed with the gears A; the base plate is arranged between the support frames on the two sides, a slide block A is arranged on one side, close to each other, of the mounting plate, a slide block B is arranged on the mounting plate in a sliding mode, connecting rods are arranged on the slide block A and the slide block B in a rotating mode, the two connecting rods are connected in a rotating mode, and the other end of each connecting rod is respectively connected with the slide block B and the slide block A on the other side in a rotating mode; the slider B is provided with a connecting plate, the clamping block is arranged in the connecting plate in a sliding mode, the mounting plate is provided with an L-shaped groove, and one end of the clamping block is inserted into the L-shaped groove and is in sliding connection with the L-shaped groove. The folding storage device is simple and convenient to open, fold and store and is convenient to carry.

Description

Portable folding wheelchair

Technical Field

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

Background

For some people with mobility disabilities, wheelchairs play an indispensable part in life, and can realize self-activity and work by utilizing the mobility of the wheelchairs, but the existing wheelchairs are basically structurally fixed and inconvenient to carry, and in order to enable the wheelchairs to be more convenient to carry in the outgoing process, the folding wheelchairs begin to occupy the market, but the existing folding wheelchairs are complex in opening, folding and containing operations and time and labor are wasted in locking.

Chinese patent No. CN214285476U discloses a portable folding wheelchair, which comprises a top frame, a bottom frame, a fixed vertical frame, a folding vertical frame and a folding mechanism, wherein the top frame and the bottom frame are respectively arranged at the top and the bottom of the portable folding wheelchair and are fixedly connected through a left fixed vertical frame and a right fixed vertical frame; the folding vertical frames are respectively arranged on the left side and the right side of the portable folding wheelchair and are respectively rotationally connected with the top frame and the underframe through a folding mechanism; the folding vertical frame is unfolded and folded through a folding mechanism; a fixed rod is connected between the fixed vertical frames, and a cushion is rotatably connected on the fixed rod; when the wheelchair is used, the folding vertical frame can be unfolded and forms a main supporting piece of the wheelchair together with the fixed vertical frame, and the cushion is unfolded and kept fixed under the limitation of external force and the top frame; when the wheelchair is not used, the folding stand can be folded at the inner side of the wheelchair, and the cushion can be folded at the backrest, so that the occupied area of the wheelchair is reduced, and the wheelchair is convenient to carry and transport.

However, the above-mentioned published solutions have the following disadvantages: this wheelchair needs the accompanying person to promote, and user self can't utilize this wheelchair to remove to this wheelchair has used a large amount of components of a whole that can function independently structures, needs the installation that the user wasted time and energy and dismantles when folding or opening, and is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a portable folding wheelchair aiming at the problems in the background technology.

The technical scheme of the utility model is as follows: a portable folding wheelchair comprises a support frame, a mounting plate, wheels, a base plate and a clamping block.

The support frames on the two sides are respectively provided with a rotating base, the rotating base is rotatably provided with a backup plate, and the backup plates on the two sides are rotatably connected; a side plate is arranged on the support frame, a gear A is rotatably arranged on the side plate, and a handle is rotatably arranged on the gear A; the mounting plate is arranged on the support frame, and a wheel shaft is rotatably arranged between the mounting plate and the side plate; the wheel sets up on the shaft, and the wheel is located between curb plate and the mounting panel, and the tip of shaft sets up gear B, and gear B and gear A meshing are connected, and the bottom of support frame still is equipped with the universal wheel.

The backing plate is arranged between the supporting frames at the two sides, and the two ends of the backing plate are respectively detachably connected with the corresponding side mounting plates; one side that the mounting panel is close to each other sets up slider A, still is equipped with the spout on the mounting panel, sets up slider B in the spout, all rotates on slider A and the slider B and sets up the connecting rod, and two connecting rods cross arrangement rotate in the cross location and connect, and the other end of two connecting rods rotates with opposite side slider B and slider A respectively and is connected.

A connecting plate is arranged on the sliding block B, a sliding rod is arranged in the connecting plate, and a spring is sleeved outside the sliding rod; the fixture block is arranged in the connecting plate in a sliding manner, the fixture block is connected with the sliding rod in a sliding manner, and the upper surface of the fixture block is abutted against the lower end of the spring; the mounting plate is provided with an L-shaped groove, and one end of the clamping block, which is close to the mounting plate, is inserted into the L-shaped groove and is in sliding connection with the L-shaped groove.

Preferably, the rotating base is provided with a rotating shaft, the backup plate is rotatably connected with the rotating shaft, one side, close to each other, of the backup plates on the two sides is provided with a hinge, and the hinge is located on one side, far away from the backing plate, of the backup plate.

Preferably, the support frame is provided with a handrail, and the handrail is provided with a flexible sheath; the supporting frame is provided with a protective net.

Preferably, the support frame is provided with an L-shaped rod, and the L-shaped rod is rotatably provided with a pedal.

Preferably, the size of gear a is larger than the size of gear B.

Preferably, the sliding blocks A and the sliding blocks B on the supporting frame on the same side are arranged in two groups, the two groups of sliding blocks A and the two groups of sliding blocks B are distributed in the vertical direction, and two ends of the connecting plate are respectively connected with the upper sliding block B and the lower sliding block B.

Preferably, the bottom of support frame sets up damper, and the universal wheel sets up damper with the junction of support frame.

Preferably, one side of the support frame, which is far away from the base plate, is provided with a handle, and the handle is provided with an anti-skidding sleeve.

Compared with the prior art, the utility model has the following beneficial technical effects:

by arranging the rotating base, the backup plates are rotatably connected with the rotating base, and the backup plates on the two sides are connected with each other, so that the backup plates on the two sides can be mutually folded and attached tightly only by pushing the middle positions of the backup plates on the two sides in the folding process of the wheelchair; by arranging two wheels which are independently controlled, the moving path of the wheelchair is a straight line when the rotating speeds of the two wheels are consistent, and differential turning is realized when the rotating speeds of the two wheels are inconsistent; by arranging the fixed slide block A and the movable slide block B, when the wheelchair is opened, the slide block B slides, the opening angle of the connecting rod is reduced, and when the position of the slide block B is locked, the support frames on the two sides are completely opened under the cooperation of the connecting rod; by arranging the protective net, the clothes of a user can be effectively prevented from being rolled into the wheels; meanwhile, the utility model has the advantages of simple operation, simple and convenient storage and high practicability.

Drawings

FIG. 1 is a block diagram (first perspective) of one embodiment of the present invention;

FIG. 2 is a block diagram (second perspective) of one embodiment of the present invention;

FIG. 3 is a view of the connection structure between the rotating base and the backup plate in FIG. 1;

fig. 4 is a structural view of the link plate.

Reference numerals: 1. a support frame; 2. rotating the base; 3. a backup plate; 4. a hinge; 5. a handrail; 6. a protective net; 7. a side plate; 8. a gear A; 9. a handle; 10. mounting a plate; 11. a wheel; 12. a wheel axle; 13. a gear B; 14. a universal wheel; 15. an L-shaped rod; 16. a pedal; 17. a base plate; 18. a slide block A; 19. a chute; 20. a slide block B; 21. a connecting rod; 22. an L-shaped groove; 23. connecting plates; 24. a clamping block; 25. a slide bar; 26. a spring.

Detailed Description

Example one

As shown in fig. 1-4, the portable folding wheelchair provided by the utility model comprises a support frame 1, a mounting plate 10, wheels 11, a base plate 17 and a fixture block 24. All set up rotation base 2 on the support frame 1 of both sides, rotate on rotation base 2 and set up backup plate 3, both sides backup plate 3 rotates to be connected. A side plate 7 is arranged on the support frame 1, a gear A8 is arranged on the side plate 7 in a rotating way, and a handle 9 is arranged on the gear A8 in a rotating way; the mounting plate 10 is arranged on the support frame 1, and a wheel shaft 12 is rotatably arranged between the mounting plate 10 and the side plate 7. The wheels 11 are arranged on the wheel shafts 12, the wheels 11 are positioned between the side plates 7 and the mounting plate 10, the end parts of the wheel shafts 12 are provided with gears B13, the gears B13 are in meshed connection with the gears A8, and the bottoms of the support frames 1 are also provided with universal wheels 14. The backing plate 17 is arranged between the support frames 1 on the two sides, and the two ends of the backing plate 17 are detachably connected with the corresponding side mounting plates 10 respectively. The side that mounting panel 10 is close to each other sets up slider A18, still is equipped with spout 19 on the mounting panel 10, sets up slider B20 in the spout 19, all rotates on slider A18 and the slider B20 and sets up connecting rod 21, and two connecting rod 21 intersect and set up and rotate at the intersection position and connect, and the other end of two connecting rod 21 rotates with opposite side slider B20 and slider A18 respectively and is connected. The slide block B20 is provided with a connecting plate 23, a slide rod 25 is arranged in the connecting plate 23, and the outside of the slide rod 25 is sleeved with a spring 26. A clamping block 24 is arranged inside the connecting plate 23 in a sliding mode, the clamping block 24 is connected with the sliding rod 25 in a sliding mode, and the upper surface of the clamping block 24 is abutted to the lower end of the spring 26. An L-shaped groove 22 is formed in the mounting plate 10, and one end of the fixture block 24 close to the mounting plate 10 is inserted into the L-shaped groove 22 and is connected with the L-shaped groove in a sliding mode. The slider A18 and the slider B20 on homonymy support frame 1 all set up two sets ofly, and two sets of sliders A18 and slider B20 are vertical direction and distribute, and the both ends of even board 23 are connected with two upper and lower sliders B20 respectively.

In this embodiment, during the use, directly with both sides support frame 1 to opposite direction pulling, the in-process of interval grow between the support frame 1, the flare angle between two sets of connecting rods 21 diminishes, and slider B20 slides along spout 19 simultaneously, and fixture block 24 on the link plate 23 is when moving to the vertical groove position of L type groove 22, and fixture block 24 is automatic card in the vertical groove under the tension effect of spring 26, and the position of slider B20 is locked this moment. In the process that the support frames 1 on the two sides are far away from each other, the backup plates 3 on the two sides also synchronously move, the backup plates 3 are gradually opened and are in a linear state, at the moment, a user can directly sit on the backing plate 17, and the user can finish the movement and the turning of the wheelchair by rotating the handle 9.

When the foldable storage is needed, the clamping blocks 24 slide into the transverse grooves of the L-shaped grooves 22, and the two side support frames 1 are pressed inwards to enable the two side support frames 1 to be close to each other.

Example two

As shown in fig. 1-3, compared with the first embodiment, the portable folding wheelchair of the present invention has a rotating base 2 with a rotating shaft, a backrest 3 is rotatably connected to the rotating shaft, a hinge 4 is disposed on a side of the backrest 3 close to each other, and the hinge 4 is located on a side of the backrest 3 away from a base plate 17.

In this embodiment, the hinge 4 can play a role in restricting deformation when the two side backup plates 3 are in a linear state, thereby improving the bearing capacity of the two side backup plates 3 to a certain extent.

EXAMPLE III

As shown in fig. 1 and 2, compared to the first embodiment, the size of the gear A8 is larger than that of the gear B13.

In this embodiment, the large gear is used to drive the small gear, so that the driving of the wheels 11 is more labor-saving.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A portable folding wheelchair is characterized by comprising a support frame (1), a mounting plate (10), wheels (11), a base plate (17) and a clamping block (24);

the support frames (1) at the two sides are respectively provided with a rotating base (2), the rotating base (2) is rotatably provided with a backup plate (3), and the backup plates (3) at the two sides are rotatably connected; a side plate (7) is arranged on the support frame (1), a gear A (8) is rotatably arranged on the side plate (7), and a handle (9) is rotatably arranged on the gear A (8); the mounting plate (10) is arranged on the support frame (1), and a wheel shaft (12) is rotatably arranged between the mounting plate (10) and the side plate (7); the wheels (11) are arranged on the wheel shafts (12), the wheels (11) are positioned between the side plates (7) and the mounting plates (10), the end parts of the wheel shafts (12) are provided with gears B (13), the gears B (13) are meshed and connected with the gears A (8), and the bottoms of the support frames (1) are also provided with universal wheels (14);

the backing plate (17) is arranged between the support frames (1) at the two sides, and the two ends of the backing plate (17) are respectively detachably connected with the corresponding side mounting plates (10); a sliding block A (18) is arranged on one side, close to each other, of the mounting plate (10), a sliding groove (19) is further formed in the mounting plate (10), a sliding block B (20) is arranged in the sliding groove (19), connecting rods (21) are rotatably arranged on the sliding block A (18) and the sliding block B (20), the two connecting rods (21) are arranged in a crossed mode and are rotatably connected at the crossed position, and the other ends of the two connecting rods (21) are rotatably connected with the sliding block B (20) and the sliding block A (18) on the other side respectively;

a connecting plate (23) is arranged on the sliding block B (20), a sliding rod (25) is arranged in the connecting plate (23), and a spring (26) is sleeved outside the sliding rod (25); the fixture block (24) is arranged in the connecting plate (23) in a sliding manner, the fixture block (24) is connected with the sliding rod (25) in a sliding manner, and the upper surface of the fixture block (24) is abutted against the lower end of the spring (26); an L-shaped groove (22) is formed in the mounting plate (10), and one end, close to the mounting plate (10), of the clamping block (24) is inserted into the L-shaped groove (22) and is in sliding connection with the L-shaped groove.

2. The portable folding wheelchair as claimed in claim 1, characterized in that the rotating base (2) is provided with a rotating shaft, the back plates (3) are rotatably connected with the rotating shaft, the side of the two back plates (3) close to each other is provided with a hinge (4), and the hinge (4) is positioned on the side of the back plates (3) far away from the backing plate (17).

3. The portable folding wheelchair as claimed in claim 1, characterized in that the supporting frame (1) is provided with armrests (5), and the armrests (5) are provided with flexible sheaths; the supporting frame (1) is provided with a protective net (6).

4. The portable folding wheelchair as claimed in claim 1, characterised in that the support frame (1) is provided with an L-shaped bar (15), and the L-shaped bar (15) is rotatably provided with a pedal (16).

5. A portable folding wheelchair in accordance with claim 1, characterized in that the size of gear a (8) is larger than the size of gear B (13).

6. The portable folding wheelchair as claimed in claim 1, wherein two sets of the sliding blocks A (18) and the sliding blocks B (20) are arranged on the supporting frame (1) on the same side, the two sets of the sliding blocks A (18) and the sliding blocks B (20) are distributed in the vertical direction, and two ends of the connecting plate (23) are respectively connected with the upper sliding block B (20) and the lower sliding block B (20).

7. The portable folding wheelchair as claimed in claim 1, characterized in that the bottom of the support frame (1) is provided with a shock-absorbing assembly, and the connection between the universal wheels (14) and the support frame (1) is provided with a shock-absorbing assembly.

8. The portable folding wheelchair as claimed in claim 1, characterized in that the side of the support frame (1) remote from the base plate (17) is provided with a handle, on which an anti-slip cover is arranged.