CN211560746U

CN211560746U - Wheelchair seat posture adjusting structure

Info

Publication number: CN211560746U
Application number: CN201921539320.9U
Authority: CN
Inventors: 柳叶舟; 龙霖; 叶红; 柳江
Original assignee: Liyang Sanyi Intelligent Technology Co ltd
Current assignee: Liyang Sanyi Intelligent Technology Co ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-09-25
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses a wheelchair seat posture adjusting structure, which comprises a skeleton seat plate and a chassis, wherein the other side of the skeleton seat plate is rotationally connected with a leg bracket, a back plate extends downwards to form a rotating rod, a transmission rod is rotationally connected between the rotating rod and the leg bracket, the bottom of the skeleton seat plate is rotationally connected with a fifth cylinder, and the back plate and the leg bracket are driven to rotate towards the horizontal direction; and when a piston rod of the fifth cylinder extends, the back plate and the leg bracket are driven to rotate in the vertical direction. When the old people need to stand up, the third cylinder and the fifth cylinder act simultaneously, the fifth cylinder has the function of rotating the back plate and the leg bracket to be horizontal, the third cylinder has the function of rotating the skeleton seat plate, the back plate and the leg bracket to be vertical, and the old people stand up naturally at the position without the assistance of nursing staff; after the old person leaves the wheelchair, the fifth cylinder and the third cylinder act again to reset the framework seat plate, the back plate and the leg bracket.

Description

Wheelchair seat posture adjusting structure

Technical Field

The utility model relates to a wheelchair structure, in particular to a wheelchair seat chair posture adjusting structure.

Background

With the development of society and the improvement of human civilization, people, especially disabled people, are increasingly demanding to improve their quality of life and freedom of life by applying modern high and new technologies. Because of various traffic accidents, natural and human accidents, and various diseases, thousands of people lose one or more abilities (e.g., walking, manipulative ability, etc.) every year. Therefore, research into a robot wheelchair for helping handicapped people to walk has gradually become a hot spot.

With the aging of population, the old people sit on the seats, and after a long time, the old people are difficult to stand up from the seats, and the old people need to be assisted by nursing staff, so that the problem of untimely care exists, and certain troubles are caused to a nursing home and families; therefore, a wheelchair seat posture adjustment structure for assisting the old to stand up is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wheelchair seat posture adjustment structure has the effect of assisting the old man to stand.

The above technical purpose of the present invention can be achieved by the following technical solutions: a wheelchair seat posture adjusting structure comprises a framework seat plate and a chassis, wherein a rotating frame is rotatably connected between the chassis and the framework seat plate, one end of the rotating frame is rotatably connected with the chassis, the other end of the rotating frame is rotatably connected with the framework seat plate, a third air cylinder is arranged on the chassis, the bottom of the third air cylinder is rotatably connected with the chassis, and a piston rod of the third air cylinder is rotatably connected with the rotating frame; when a piston rod of the third cylinder retracts, the framework seat plate is driven to rotate towards the vertical direction; when a piston rod of the third cylinder extends, the framework seat plate is driven to rotate towards the horizontal direction; one side of the framework seat plate is rotatably connected with a back plate, the other side of the framework seat plate is rotatably connected with a leg bracket, a rotating rod extends downwards from the back plate, a transmission rod is rotatably connected between the rotating rod and the leg bracket, the bottom of the framework seat plate is rotatably connected with a fifth air cylinder, the shell of the fifth air cylinder is connected with the framework seat plate, and the piston rod of the fifth air cylinder is fixedly connected with the transmission rod; when a piston rod of the fifth cylinder retracts, the back plate and the leg bracket are driven to rotate towards the horizontal direction; and when a piston rod of the fifth cylinder extends, the back plate and the leg bracket are driven to rotate in the vertical direction.

Preferably, the center of the chassis comprises a control frame, a fourth air cylinder is connected to the control frame in a rotating mode, a piston rod of the fourth air cylinder is connected with the framework seat plate in a rotating mode, and the bottom of the fourth air cylinder is connected with the control frame in a rotating mode.

Through adopting above-mentioned technical scheme, the fourth cylinder has played the effect of auxiliary stay, though the rotating turret has played the effect that the four points supported, but human weight is heavier, through the fourth cylinder that increases, is independent of the third cylinder, has improved the supporting effect.

Preferably, two of the fourth cylinders are provided in parallel.

Through adopting above-mentioned technical scheme, improve the support effect to skeleton bedplate.

Preferably, the chassis comprises a first support frame, and the bottom of the third cylinder is rotatably connected with the first support frame.

Through adopting above-mentioned technical scheme, improved the height of third cylinder, reduced the whole height of wheelchair seat.

Preferably, the chassis comprises a second support frame, and the second support frame is rotatably connected with the rotating frame.

By adopting the technical scheme, the height of the wheelchair seat in the vertical state is relatively reduced by corresponding to the first support frame.

Preferably, the rotating frame comprises a bottom plate and two inclined rods arranged in parallel, one end of the base plate is respectively and rotatably connected with the second supporting frame and one inclined rod, the other end of the base plate is rotatably connected with the other inclined rod, and the other end of the inclined rod is rotatably connected with the framework seat plate.

Through adopting above-mentioned technical scheme, the overall structure of rotating turret has improved the structural strength who supports intensity and rotating turret.

In conclusion, when the old needs to stand up, the third cylinder and the fifth cylinder act simultaneously, the fifth cylinder has the function of rotating the back plate and the leg bracket to be horizontal, the third cylinder has the function of rotating the skeleton seat plate, the back plate and the leg bracket to be vertical, and in the position, the old naturally stands up without the assistance of nursing staff; after the old person leaves the wheelchair, the fifth cylinder and the third cylinder act again to reset the framework seat plate, the back plate and the leg bracket.

Drawings

FIG. 1 is a schematic structural view of a wheelchair;

FIG. 2 is a schematic view of the skeletal support deck;

FIG. 3 is a schematic structural view of the framework base plate with the slide plate removed;

FIG. 4 is a schematic structural view of the chassis of the wheelchair;

FIG. 5 is a schematic structural view of a leg rest of the wheelchair;

in the figure, 1, a framework base plate; 12. a seat hole; 13. a collection bin; 14. a slide plate; 15. A guide rail; 16. a guide rail seat; 17. a baffle plate; 18. a gasket; 19. an L-shaped connecting sheet; 191. a second cylinder; 2. a chassis; 21. a back plate; 22. a leg bracket; 221. a leg shield plate; 222. a foot support; 223. a sliding hole; 224. a slide bar; 225. a fixing hole; 23. rotating the rod; 24. a transmission rod; 25. a fifth cylinder; 26. connecting columns; 27. a fixed block; 28. installing a clamping block; 311. a base plate; 312. an inclined lever; 32. a third cylinder; 33. a control frame; 34. a fourth cylinder; 35. A first support frame; 36. a second support frame.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Example (b):

as shown in figure 1, the automatic walking wheelchair is provided with a seat on a chassis, a wheelchair seat side-sliding seat toilet structure is arranged on the seat, the structure comprises a framework seat board 1 arranged on the seat, as shown in figure 2, the framework seat board 1 is rectangular, the main structure of the framework seat board 1 is made of steel pipes, a seat toilet hole 12 is formed in the framework seat board 1, a collection bin 13 is arranged at the bottom of the seat toilet hole 12, the collection bin 13 is formed by surrounding of steel plates, the collection bin 13 plays a role in placing plastic bags, and the collection bin 13 is connected with the bottom of the framework seat board 1 through bolts.

As shown in fig. 2 and 3, a sliding plate 14 is slidably connected to the seat hole 12, the sliding plate 14 can open and close the seat hole 12 during movement, guide rails 15 are respectively arranged on two sides of the seat hole 12, the guide rails 15 extend along the width direction of the framework seat plate 1, guide rail seats 16 are slidably connected to the guide rails 15, four guide rail seats 16 are arranged in total, a rectangular gasket 18 is arranged on each guide rail seat 16, the top of the gasket 18 is connected with the bottom of the sliding plate 14, the bottom of the gasket 18 is connected with the guide rail seats 16 through bolts, a second cylinder 191 is arranged on the outer side of the framework side plate, an L-shaped connecting piece 19 extends outwards from the gasket 18 close to the piston rod of the second cylinder 191, the piston rod of the second cylinder 191 is connected with the L-shaped connecting piece 19, and the bottom of the second cylinder 191 is hinged to the side surface of the.

As shown in fig. 2 and 3, a baffle 17 is arranged at the bottom of the sliding plate 14, the top of the baffle 17 is connected with the bottom of the sliding plate 14, the baffle 17 moves in the collection bin 13 and limits the stroke of the sliding plate 14 by abutting against the side wall of the collection bin 13, when a plastic bag is installed, one side of the plastic bag can be fixed on the baffle 17, the other side of the plastic bag is fixed on the side surface of the collection bin 13, meanwhile, the plastic bag can be replaced by other substitutes with the function, which belong to the protection range, and when the sliding plate 14 moves left and right, the opening of the plastic bag can be opened and closed along with the movement; when the wheelchair is used, the sliding plate 14 on the framework seat plate 1 is moved to the side through the second air cylinder 191, so that the seat hole 12 is exposed, defecation can be performed through the seat hole 12, and collection is performed through the collection bin 13, and when the wheelchair is used, collection materials such as plastic bags are arranged in the collection bin 13, so that the collection bin 13 is prevented from being polluted, and the problem of wheelchair seat is solved; after the use, the second cylinder 191 resets the sliding plate 14 to cover the toilet hole 12, so that the use is more convenient.

As shown in fig. 4, a wheelchair seat posture adjustment structure includes wheelchair seat skeleton texture, including skeleton bedplate 1 and chassis 2, one side of skeleton bedplate 1 is rotated and is connected with backplate 21, the opposite side of skeleton bedplate 1 is rotated and is connected with leg bracket 22, backplate 21 downwardly extending has dwang 23, it is connected with transfer line 24 to rotate between dwang 23 and the leg bracket 22, the bottom of skeleton bedplate 1 is rotated and is connected with fifth cylinder 25, fifth cylinder 25 sets up the both sides in skeleton bedplate 1 bottom respectively, the bottom of skeleton bedplate 1 is provided with spliced pole 26, the bottom of fifth cylinder 25 is articulated with spliced pole 26, the shell of fifth cylinder 25 is connected with skeleton bedplate 1, be provided with fixed block 27 on the piston rod of fifth cylinder 25 of the piston rod of fifth cylinder 25 and transfer line 24 fixed connection, fixed block 27 is connected with the piston rod rotation of fifth cylinder 25, fixed block 27 realizes fixed connection through the bolt-up with transfer line 24.

As shown in fig. 4, a rotating frame is rotatably connected between the chassis 2 and the framework seat plate 1, one end of the rotating frame is rotatably connected with the chassis 2, the other end of the rotating frame is rotatably connected with the framework seat plate 1, a third cylinder 32 is arranged on the chassis 2, the bottom of the third cylinder 32 is rotatably connected with the chassis 2, and a piston rod of the third cylinder 32 is rotatably connected with the rotating frame; when the piston rod of the third cylinder 32 retracts, the framework seat plate 1 is driven to rotate towards the vertical direction; when the piston rod of the third cylinder 32 extends, the frame base plate 1 is driven to rotate in the horizontal direction.

As shown in fig. 4, the center of the chassis 2 includes a control frame 33, a fourth cylinder 34 is rotatably connected to the control frame 33, a piston rod of the fourth cylinder 34 is rotatably connected, i.e., hinged, to the framework seat plate 1, and the bottom of the fourth cylinder 34 is rotatably connected, i.e., hinged, to the control frame 33; two fourth cylinders 34 are provided in parallel.

As shown in fig. 4, the chassis 2 includes a first support frame 35, and the bottom of the third cylinder 32 is rotatably connected to the first support frame 35; the chassis 2 further comprises a second support frame 36, the second support frame 36 is connected with the rotating frame in a rotating mode, the first support frame 35 and the second support frame 36 are arranged oppositely, the rotating frame comprises a bottom plate 311 and two inclined rods 312 arranged in parallel, one end of the chassis 2 is respectively connected with the second support frame 36 and one inclined rod 312 in a rotating mode, the other end of the chassis 2 is connected with the other inclined rod 312 in a rotating mode, and the other end of the inclined rod 312 is connected with the framework seat plate 1 in a rotating mode.

As shown in fig. 4, in order to avoid interference between the back plate 21 and the rotating rod 23, two clamping blocks 28 extend from the back surface of the back plate 21 in the horizontal direction, the two clamping blocks 28 and the rotating rod 23 are arranged in the width direction of the back plate 21, the two sides of the rotating rod 23 in the width direction are fixed by the clamping blocks 28, one end of the rotating rod 23 is fixedly connected with the clamping blocks 28 through bolts, and the other end of the rotating rod 23 is rotatably connected with the transmission rod 24.

The leg bracket 22 comprises a leg guard plate 221 and a foot support 222, wherein the leg guard plate 221 is provided with a sliding hole 223, the foot support 222 comprises a sliding rod 224 connected in the sliding hole 223 in a sliding manner, and the leg guard plate 221 and the sliding rod 224 are correspondingly provided with fixing holes 225.

As shown in fig. 5, the leg bracket 22 includes a leg guard 221 and a foot support 222, the leg guard 221 is provided with a sliding hole 223, the foot support 222 includes a sliding rod 224 slidably connected in the sliding hole 223, and the leg guard 221 and the sliding rod 224 are correspondingly provided with a fixing hole 225.

The working principle is as follows:

when a user needs to adjust the angles of the back plate 21 and the leg bracket 22, the piston rod of the fifth cylinder 25 extends to drive the back plate 21 and the leg bracket 22 to rotate in the vertical direction; the piston rod of the fifth cylinder 25 retracts to drive the back plate 21 and the leg bracket 22 to rotate in the horizontal direction; synchronous adjustment of the positions of the back plate 21 and the leg bracket 22 is realized; when a user needs to lie down, the back plate 21, the skeleton seat plate 1 and the leg bracket 22 can be horizontally placed through the structure, so that the multifunctional chair is suitable for various medical and accidental situations; when the old needs to stand up, the third air cylinder 32 and the fifth air cylinder 25 act simultaneously, the fifth air cylinder 25 plays a role of rotating the back plate 21 and the leg bracket 22 to be horizontal, the third air cylinder 32 plays a role of rotating the framework seat plate 1, the back plate 21 and the leg bracket 22 to be vertical, and in the position, the old naturally stands without the assistance of nursing staff; after the elderly leave the wheelchair, the fifth cylinder 25 and the third cylinder 32 are operated again to reset the frame base plate 1, the back plate 21, and the leg rest 22.

Claims

1. The utility model provides a wheelchair seat posture adjustment structure, includes skeleton bedplate (1) and chassis (2), its characterized in that: a rotating frame is rotatably connected between the chassis (2) and the framework seat plate (1), one end of the rotating frame is rotatably connected with the chassis (2), the other end of the rotating frame is rotatably connected with the framework seat plate (1), a third air cylinder (32) is arranged on the chassis (2), the bottom of the third air cylinder (32) is rotatably connected with the chassis (2), and a piston rod of the third air cylinder (32) is rotatably connected with the rotating frame; when a piston rod of the third cylinder (32) retracts, the framework seat plate (1) is driven to rotate towards the vertical direction; when a piston rod of the third air cylinder (32) extends, the framework seat plate (1) is driven to rotate towards the horizontal direction; one side of the framework seat plate (1) is rotatably connected with a back plate (21), the other side of the framework seat plate (1) is rotatably connected with a leg bracket (22), a rotating rod (23) extends downwards from the back plate (21), a transmission rod (24) is rotatably connected between the rotating rod (23) and the leg bracket (22), the bottom of the framework seat plate (1) is rotatably connected with a fifth cylinder (25), the shell of the fifth cylinder (25) is connected with the framework seat plate (1), and the piston rod of the fifth cylinder (25) is fixedly connected with the transmission rod (24); when a piston rod of the fifth air cylinder (25) retracts, the back plate (21) and the leg bracket (22) are driven to rotate towards the horizontal direction; when a piston rod of the fifth cylinder (25) extends, the back plate (21) and the leg bracket (22) are driven to rotate in the vertical direction.

2. The wheelchair seat posture adjustment structure of claim 1, wherein: the center of chassis (2) includes control frame (33), it is connected with fourth cylinder (34) to rotate on control frame (33), the piston rod of fourth cylinder (34) rotates with skeleton bedplate (1) and is connected, the bottom and the control frame (33) of fourth cylinder (34) rotate and are connected.

3. The wheelchair seat posture adjustment structure of claim 2, wherein: the number of the fourth cylinders (34) is two.

4. The wheelchair seat posture adjustment structure of claim 2, wherein: the chassis (2) comprises a first support frame (35), and the bottom of the third cylinder (32) is rotatably connected with the first support frame (35).

5. The wheelchair seat posture adjustment structure of claim 4, wherein: the chassis (2) comprises a second supporting frame (36), and the second supporting frame (36) is rotatably connected with the rotating frame.

6. The wheelchair seat posture adjustment structure of claim 5, wherein: the rotating frame comprises a bottom plate (311) and two inclined rods (312) which are arranged in parallel, one end of the chassis (2) is respectively rotatably connected with the second supporting frame (36) and one inclined rod (312), the other end of the chassis (2) is rotatably connected with the other inclined rod (312), and the other end of the inclined rod (312) is rotatably connected with the framework seat plate (1).