CN215459444U

CN215459444U - Anti-rollover device based on safety

Info

Publication number: CN215459444U
Application number: CN202121831285.5U
Authority: CN
Inventors: 陈建国; 陈新; 侯晓波
Original assignee: Jerry Medical Instrument Shanghai Co ltd
Current assignee: Jerry Medical Instrument Shanghai Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-01-11
Anticipated expiration: 2031-08-06

Abstract

The utility model relates to the field of wheelchairs, in particular to a safety-based anti-rollover device, which comprises a seat plate, wherein a backup plate is fixedly arranged on one side of the top of the seat plate, pushers are fixedly arranged on two sides of the top of the backup plate, connecting blocks are fixedly arranged on two sides of the top of the seat plate, a baffle is fixedly arranged on the tops of the two connecting blocks, brackets are fixedly arranged on two sides of the seat plate, connecting rods are fixedly arranged on the bottoms of the two brackets, pulleys are respectively arranged on the bottoms of the two connecting rods, rollers are respectively arranged on two sides of the bottom of the seat plate, a push wheel is fixedly arranged on one side of each roller, a first sliding block is slidably connected to one side of the inner wall of each bracket, which is close to the top, and a first rotating rod is rotatably connected to one side of each sliding block. When withdrawing, be connected couple on the runner and fixed block, easy operation, the actual operation of laminating more.

Description

Anti-rollover device based on safety

Technical Field

The utility model relates to the field of wheelchairs, in particular to a safety-based rollover prevention device.

Background

Wheelchairs are chairs equipped with wheels to help replace walking and are classified into electric and manual folding wheelchairs. The wheelchair is an important moving tool for home rehabilitation, turnover transportation, treatment and outgoing activities of wounded persons, patients and disabled persons, not only can meet the requirements of physical disabilities and mobility-handicapped persons for riding instead of walk, but also is more important to facilitate the family members to move and take care of the patients, so that the patients can carry out physical exercise and participate in social activities by means of the wheelchair.

For the elderly and people with inconvenience in legs and feet, the wheelchair is a necessity for life of the elderly and the people with inconvenience in legs and feet, but in severe environments, the wheelchair is prone to rollover, so that certain personal accidents are caused, the wheelchair is not beneficial to actual operation of users, and when the wheelchair touches certain terrain with large gradient, the wheelchair is prone to backward rollover, and even casualties can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a safety-based rollover prevention device, which solves the technical problems that in some severe environments, a wheelchair is easy to rollover, so that certain personal accidents are caused, the actual operation of a user is not facilitated, and the wheelchair is easy to overturn backwards and even casualties are caused when the wheelchair encounters certain terrains with large gradients.

In order to achieve the purpose, the utility model provides the following technical scheme: the anti-rollover device based on safety comprises a seat plate, wherein a backup plate is fixedly arranged on one side of the top of the seat plate, push handles are fixedly arranged on two sides of the top of the backup plate, connecting blocks are fixedly arranged on two sides of the top of the seat plate, a baffle is fixedly arranged on the tops of the two connecting blocks, brackets are fixedly arranged on two sides of the seat plate, connecting rods are fixedly arranged on the bottoms of the two brackets, pulleys are respectively arranged on the bottoms of the two connecting rods, rollers are respectively arranged on two sides of the bottom of the seat plate, a push wheel is fixedly arranged on one side of the two rollers, a first sliding block is respectively and slidably connected with one side of the two bracket inner walls close to the top, a first rotating rod is respectively and rotatably connected with one side of the two sliding blocks, a second sliding block is respectively and slidably connected with one side of the two sliding blocks, and a sliding rod is respectively and rotatably connected with the other ends of the two rotating rods, two the dwang other end all rotates and is connected with dwang three, two the equal fixed mounting of the three other ends of dwang has the anti-turnover board, the anti-turnover inboard wall sliding connection has slider three, three one ends of slider and slide bar other end fixed connection, the runner is installed to the anti-turnover board one end, two the equal fixed mounting in support bottom one side has the fixed plate, two stabilizing wheel two, two are all installed to fixed plate one end bottom stabilizing wheel two is all installed to fixed plate one end, two fixed plate one end all rotates and is connected with the rotor plate, two connecting plate of fixed mounting, two between the rotor plate one end all installs stabilizing wheel one.

Preferably, the two sides of the front end of the seat plate are fixedly provided with supporting plates, and one ends of the two supporting plates are fixedly provided with foot placing plates.

Preferably, the first rotating rod is connected with the second rotating rod through a bolt.

Preferably, a fixed block is fixedly mounted at one end of the rotating rod, and a hook is arranged on the outer side of the rotating wheel.

Preferably, the fixed block is arranged corresponding to the hook on the rotating wheel.

Preferably, the turnover preventing plate is arranged in an inclined mode.

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

(1) the anti-rollover device based on the safety is characterized in that the first rotating rod and the second rotating rod are arranged on the rotating shaft in a rotating mode, and the rotating shaft is connected with the fixed block;

(2) the anti-rollover device based on safety enables the wheelchair to be more stable under the stability of the first stabilizing wheel, and when backward rollover is about to occur, the first stabilizing wheel rotates upwards under the action of the rotating plate, and the two stabilizing wheels share the backward rollover force, so that the purpose of preventing backward rollover is achieved.

Drawings

FIG. 1 is a front cross-sectional view of the safety-based rollover protection device of the present invention during rollover;

FIG. 2 is an enlarged view of the safety-based rollover prevention device of the present invention at A in FIG. 1;

FIG. 3 is a side view of the safety-based rollover prevention device of the present invention;

fig. 4 is a top view of the safety-based rollover prevention device of the present invention.

In the figure: 1. a seat plate; 2. connecting blocks; 3. a baffle plate; 4. a backup plate; 5. a pushing handle; 6. a support; 7. a first sliding block; 8. a connecting rod; 9. a pulley; 10. a support plate; 11. placing a foot plate; 12. rotating the first rod; 13. rotating the second rod; 14. a second sliding block; 15. a slide bar; 16. rotating the rod III; 17. the plate is prevented from turning over; 18. a third sliding block; 19. a rotating wheel; 20. a roller; 21. a push wheel; 22. a fixing plate; 23. a rotating plate; 24. a first stabilizing wheel; 25. a second stabilizing wheel; 26. a connecting plate; 27. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown:

the anti-rollover device based on the safety comprises a seat plate 1, wherein a backup plate 4 is fixedly arranged on one side of the top of the seat plate 1, push handles 5 are fixedly arranged on two sides of the top of the backup plate 4, connecting blocks 2 are fixedly arranged on two sides of the top of the seat plate 1, baffles 3 are fixedly arranged on the tops of the two connecting blocks 2, brackets 6 are fixedly arranged on two sides of the seat plate 1, connecting rods 8 are fixedly arranged on the bottoms of the two brackets 6, pulleys 9 are arranged on the bottoms of the two connecting rods 8, rollers 20 are arranged on two sides of the bottom of the seat plate 1, push wheels 21 are fixedly arranged on one sides of the two rollers 20, a first slider 7 is slidably connected on one side of the inner walls of the two brackets 6 close to the top, a first rotating rod 12 is rotatably connected on one side of the inner walls of the two brackets 6 close to the bottom, a second slider 14 is slidably connected on one side of the two sliders 14, a second rotating rod 13 is rotatably connected on the other end of the two rotating rods 13, and a sliding rod 15 is rotatably connected on the other end of the two rotating rod 13, two 12 other ends of dwang are all rotated and are connected with dwang three 16, the equal fixed mounting of two three 16 other ends of dwang has anti-overturning plate 17, anti-overturning plate 17 inner wall sliding connection has slider three 18, slider three 18 one end and 15 other end fixed connection of slide bar, anti-overturning plate 17 one end is installed runner 19, the equal fixed mounting in one side of two 6 bottoms of support has fixed plate 22, stabilizing wheel two 25 is all installed to two fixed plate 22 one end bottoms, two fixed plate 22 one ends are all rotated and are connected with rotor plate 23, connecting plate 26 of fixed mounting between two rotor plates 23, stabilizing wheel 24 is all installed to two rotor plate 23 one ends.

Wherein, the two sides of the front end of the seat board 1 are fixedly provided with the supporting boards 10, and one ends of the two supporting boards 10 are both fixedly provided with the foot placing boards 11, so that a user can sit on the wheelchair more comfortably.

Wherein, the first rotating rod 12 and the second rotating rod 13 are connected through a bolt at the center, so that the first rotating rod 12 and the second rotating rod 13 are connected more stably.

Wherein, the fixed block 27 is fixedly installed at one end of the second rotating rod 13, and the hook is arranged outside the rotating wheel 19, so as to facilitate the retraction of the rotating wheel 19.

The fixed block 27 and the hook on the rotating wheel 19 are correspondingly arranged, so that the connection is more stable when the side turning does not occur.

Wherein, the anti-overturn plate 17 is arranged obliquely, so that the anti-overturn plate 17 is more beneficial to supporting the wheelchair.

The working principle is as follows: when the anti-rollover device based on safety is used, firstly, a user sits on the seat board 1, two feet are placed on the foot placing board 11, when the wheelchair turns over, the wheelchair can incline towards one side, under the action of gravity, hooks on the rotating wheels 19 are separated from the fixed block 27, so that the anti-rollover board 17 falls down, a third sliding block 18 in the anti-rollover board 17 drives the sliding rod 15 to move, the sliding rod 15 drives the second rotating rod 13 to rotate, the second rotating rod 13 drives the second sliding block 14 to vertically move, the anti-rollover board 17 drives the third rotating rod 16 to rotate, the third rotating rod 16 drives the first rotating rod 12 to rotate, the first rotating rod 12 drives the first sliding block 7 to move, then the rotating wheels 19 on the anti-rollover board 17 can support the inclined wheelchair, so that the anti-rollover purpose is achieved, when the terrain is flat, the user grabs the sliding rod 15, so that the hooks on the rotating wheels 19 are connected with the fixed block 27, when the wheelchair turns over backwards, the turning-back force can rotate the rotating plate 23 upwards, and then the second stabilizing wheels 25 at the bottom of the fixed plate 22 can contact the ground, so that the wheelchair is supported when the wheelchair is turned back, and the purpose of preventing the wheelchair from being turned back is achieved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The side turning prevention device based on the safety comprises a seat plate (1), wherein a backup plate (4) is fixedly mounted on one side of the top of the seat plate (1), pushers (5) are fixedly mounted on two sides of the top of the backup plate (4), connecting blocks (2) are fixedly mounted on two sides of the top of the seat plate (1), a baffle (3) is fixedly mounted on the top of each connecting block (2), brackets (6) are fixedly mounted on two sides of the seat plate (1), connecting rods (8) are fixedly mounted on the bottom of each bracket (6), pulleys (9) are mounted on the bottom of each connecting rod (8), rollers (20) are mounted on two sides of the bottom of the seat plate (1), pushers (21) are fixedly mounted on one side of each roller (20), and the side of the inner wall of each bracket (6) close to the top is slidably connected with a first slider (7), one side of each of the two first sliding blocks (7) is rotatably connected with a first rotating rod (12), one side, close to the bottom, of the inner wall of each of the two brackets (6) is rotatably connected with a second sliding block (14), one side of each of the two second sliding blocks (14) is rotatably connected with a second rotating rod (13), the other end of each of the two second rotating rods (13) is rotatably connected with a third sliding rod (15), the other end of each of the two first rotating rods (12) is rotatably connected with a third rotating rod (16), the other end of each of the two third rotating rods (16) is fixedly provided with an anti-turnover plate (17), the inner wall of each anti-turnover plate (17) is slidably connected with a third sliding block (18), one end of each third sliding block (18) is fixedly connected with the other end of each sliding rod (15), one end of each anti-turnover plate (17) is provided with a rotating wheel (19), one side of the bottom of each bracket (6) is fixedly provided with a fixed plate (22), and the bottom of each of the two fixed plates (22) is provided with a second stabilizing wheel (25), two fixed plate (22) one end all rotates and is connected with rotor plate (23), two connecting plate (26) of fixed mounting between rotor plate (23), two stabilizer wheel (24) are all installed to rotor plate (23) one end.

2. The safety-based rollover prevention device of claim 1, wherein: two sides of the front end of the seat plate (1) are fixedly provided with supporting plates (10), and one ends of the supporting plates (10) are fixedly provided with foot placing plates (11).

3. The safety-based rollover prevention device of claim 1, wherein: the centers of the first rotating rod (12) and the second rotating rod (13) are connected through a bolt.

4. The safety-based rollover prevention device of claim 1, wherein: and one end of the rotating rod II (13) is fixedly provided with a fixed block (27), and the outside of the rotating wheel (19) is provided with a hook.

5. The safety-based rollover prevention device of claim 4, wherein: the fixed block (27) is arranged corresponding to the hook on the rotating wheel (19).

6. The safety-based rollover prevention device of claim 1, wherein: the turnover preventing plate (17) is arranged in an inclined mode.