CN114246740B

CN114246740B - Standing wheelchair

Info

Publication number: CN114246740B
Application number: CN202210005006.2A
Authority: CN
Inventors: 魏恩强; 潘震涛; 胡安定
Original assignee: Shanghai Wisking Healthcare Corp
Current assignee: Shanghai Wisking Healthcare Corp
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2023-08-08
Anticipated expiration: 2042-01-04
Also published as: CN114246740A

Abstract

The utility model relates to a tool field of riding instead of walk, especially, relate to a stand-type wheelchair, including wheel support and seat support, be provided with the air spring between seat support and the wheel support, the seat support includes shank support and buttock support, the piston rod tip of air spring rotates the one end of being close to the shank support at the wheel support, shank support one end rotates with the one end that the wheel support is close to shank support and is connected, and the other end rotates with the base of air spring and is connected, under the initial state, the height of air spring base is greater than the height of piston rod tip, still be provided with the locking subassembly that is used for behind the manual rotation seat support of user and is being greater than eighty degrees and be less than ninety degrees states with the buttock support between wheel support and the seat support, through above-mentioned scheme, the disabled person also need not to support by people and can realize standing, and the disabled person of being convenient for resumes, has ensured disabled person's health.

Description

Standing wheelchair

Technical Field

The application relates to the field of mobility aids, in particular to a standing wheelchair.

Background

With the development of social welfare and the improvement of the living standard of people, the disabled people increasingly use the rehabilitation wheelchair, so that the wheelchair becomes an indispensable riding tool for lower limb disabled people and old and weak people, and the trouble of caretakers is saved.

The common wheelchair in the market at present consists of a wheelchair frame, wheels, a brake device and a backrest, so that a patient can exercise by means of the wheelchair and participate in social activities.

However, most of the wheelchairs on the market only provide sitting postures, users can only sit on the wheelchairs all the time, and the buttocks of the users are in a pressed state for a long time due to the single sitting posture, so that bedsores and leg muscle atrophy are easy to occur. Thereby seriously affecting the physical health of the disabled person.

Disclosure of Invention

In order to ensure the physical health of disabled persons, the application provides a standing wheelchair.

The application provides a stand wheelchair adopts following technical scheme:

the utility model provides a stand wheelchair, includes wheel support and seat support, be provided with the air spring between seat support and the wheel support, the seat support includes shank support and buttock support, the piston rod tip of air spring rotates the one end that is close to shank support at the wheel support, shank support one end rotates with the one end that the wheel support is close to shank support to be connected, and the other end rotates with the base of air spring to be connected, under the initial condition, the height of air spring base is greater than the height of piston rod tip, still be provided with between wheel support and the seat support and be used for the user to rotate the seat support after and fix the buttock support and be more than eighty degrees and be less than the closure subassembly of ninety degrees states.

Through adopting above-mentioned technical scheme, when the user needs to stand, pull the buttock support, the piston rod of air spring stretches out the helping hand for whole wheel support rotates with the seat support relatively, until whole buttock support rotates to about eighty-five degrees when, the contained angle between buttock support and the vertical direction is less than ten degrees this moment, the stump personnel is in the slope and stands this moment, under locking assembly's effect, thereby whole wheelchair structure is in steady state, under the effect of no external force, stump personnel also need not artificial helping alright realize standing yet, the stump personnel of being convenient for resumes, stump personnel's health has been ensured.

Optionally, the locking assembly includes rotating the first arc pole of connection on the buttock support, rotating the handrail of connecting first arc pole and keeping away from the buttock support, rotating the second arc pole and the third arc pole of connecting in handrail and keeping away from first arc pole one end, the one end that the handrail was kept away from to the second arc pole rotates to be connected on the buttock support, the one end that the handrail was kept away from to the third arc pole rotates to be connected on the wheel support, under the initial condition the rotation point of handrail and second arc pole is located the top of buttock support, just the rotation point of handrail and first arc pole is located between the both ends of third arc pole, the rotation point of second arc pole and buttock support is located between first arc pole and the shank support and is located between the both ends of third arc pole.

Through adopting above-mentioned technical scheme, when the stump personnel need stand, rotate the handrail for first arc pole, second arc pole, third arc pole and fourth arc pole synchronous rotation, the piston rod of air spring stretches out simultaneously, make whole buttock support rotate around the pivot between self and the wheel support, until buttock support and vertical direction between the contained angle be less than ten degrees, at this moment handrail, buttock support, wheel support and third arc pole form unstable parallelogram structure, continue to rotate the handrail this moment, make the rotation point between handrail and the third arc pole break away from in the parallelogram region of formation, thereby destroy parallelogram structure, make whole wheelchair structure become stable.

Optionally, one end of the second arc-shaped rod far away from the handrail is fixed with a lock rod, a lock catch is fixed on the side wall of the hip support, and when a user is in a standing state, the lock rod is clamped on the lock catch.

Through adopting above-mentioned technical scheme, when the residual limb personnel need stand, stir the handrail for whole buttock support is the state that is close ninety degrees with vertical direction, and locking lever joint is on the hasp this moment, has promoted the stability of buttock support when being vertical state under the effect of no external force.

Optionally, be provided with the fourth arc pole between shank support and the wheel support, fourth arc pole one end rotates to be connected on the shank support, and the other end rotates to be connected on the wheel support, shank support is kept away from the one end of wheel support and is fixed with the foot stall.

Through adopting above-mentioned technical scheme, fourth arc pole makes the shank support adjustable, has increased shank support and ground contact's area through setting up the foot stall, and the in-process foot stall that the residual limb personnel stood supports and is convenient for the residual limb personnel to stand subaerial to the stability that the shank support was supported has been promoted, and the wheelchair stability when standing the state.

Optionally, the last running-board that is provided with of shank support can be dismantled, shank support sleeve is provided with to one side that shank support was kept away from the wheel support can be dismantled.

Through adopting above-mentioned technical scheme, the foot pedal is convenient for the disabled person of limbs support shank, sets up flexible shank support cover simultaneously, and supplementary disabled person stands, and the disabled person's of being convenient for shank straightens, also makes the disabled person of limbs be difficult to drop off whole wheelchair simultaneously, has not only ensured the travelling comfort of wheelchair, has ensured the security that disabled person of limbs used the wheelchair simultaneously.

Optionally, one side that the second arc pole is close to the buttock support is fixed with the gag lever post, the lateral wall of buttock support slides and is provided with the separation blade, when limiting the second arc pole rotates, slides the separation blade and makes separation blade and gag lever post laminating and butt.

Through adopting above-mentioned technical scheme, when restricting whole buttock support pivoted in-process on the wheel support, slide the separation blade towards the direction of keeping away from the shank support for the upper surface of separation blade is laminated mutually with the plane of seting up on the gag lever post, thereby makes between separation blade and the gag lever post be difficult to take place to rotate, restricts the rotation of whole buttock support.

Optionally, two groups of slope supporting wheels are arranged on the side wall of the wheel support, and a telescopic piece for adjusting the distance between the slope supporting wheels and the wheel support is further arranged on the wheel support.

Through adopting above-mentioned technical scheme, promote the in-process of wheelchair uphill, domatic supporting wheel has promoted the stability that the wheelchair removed, prevents that the wheelchair from accidentally turning over backward, but the interval between domatic supporting wheel and the ground is adjusted through the extensible member to ensure stability.

Optionally, the expansion piece includes the first connecting pipe of fixing on the wheel support, slides and sets up the second connecting pipe in the first connecting pipe outside, the domatic supporting wheel rotates to be connected on the second connecting pipe, first connecting pipe passes through the bolt relative fixation with the second connecting pipe.

Through adopting above-mentioned technical scheme, the personnel that promote the wheelchair can be according to the slope inclination adjustment second connecting pipe's of land flexible length at the in-process of promoting the wheelchair, and the regulation is accomplished the back and is locked first connecting pipe and second connecting pipe each other through the bolt.

Optionally, one end of the third arc-shaped rod far away from the handrail is detachably connected with the wheel bracket.

Through adopting above-mentioned technical scheme, when the one end that the handrail was kept away from to the third arc pole rotates to be connected in big gyro wheel pivot when keeping away from shank support one side, whole wheelchair is adult mode of use this moment, whole wheelchair can bear the adult weight within one hundred twenty jin to three hundred jin, the length of the third arc pole that uses this moment is longest state, when needs whole wheelchair miniaturization, the user is short and small, change the third arc pole into shorter this moment for third arc pole one end rotates to be connected on the handrail, the other end rotates the position of connecting between big gyro wheel and shank support, thereby the third arc pole of different bearing capacity can be selected when the user of different weights uses and corresponding length, thereby it is more laborsaving convenient to ensure when the user uses.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the whole wheelchair structure is in a stable state, and the disabled can stand without artificial assistance under the action of no external force, so that the disabled can recover conveniently, and the physical health of the disabled is ensured.

2. The flexible leg support sleeve is arranged, so that the disabled person is difficult to fall off the whole wheelchair, the comfort of the wheelchair is guaranteed, and meanwhile, the safety of the disabled person in using the wheelchair is guaranteed.

Drawings

Fig. 1 is an isometric view of the overall structure of the present embodiment.

Fig. 2 is a schematic overall structure of the present embodiment, which is mainly used for showing the telescopic member.

Fig. 3 is a schematic view showing the overall structure of the wheel bracket and the seat bracket in the present embodiment.

Fig. 4 is a schematic view of the overall structure of the seat support in this embodiment, mainly for showing the locking assembly.

Fig. 5 is a schematic view of the overall structure of the seat support in this embodiment, which is mainly used for showing the stop lever and the stop piece.

Reference numerals: 1. a wheel support; 2. a seat support; 3. a gas spring; 4. a leg support; 5. a buttock support; 6. a locking assembly; 7. a first arcuate lever; 8. an armrest; 9. a second arcuate lever; 10. a third arc-shaped rod; 11. a lock lever; 12. locking; 13. a fourth arc-shaped rod; 14. a foot stand; 15. a foot pedal; 16. leg support sleeves; 17. a limit rod; 18. a baffle; 19. slope support wheels; 20. a telescoping member; 21. a first connection pipe; 22. and a second connection pipe.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a standing wheelchair.

Referring to fig. 1, a standing wheelchair comprises a wheel support 1 and a seat support 2, wherein the wheel support 1 is used for supporting the whole seat, two small rollers are arranged at the front end of the wheel support 1, the diameter of the small rollers is about ten centimeters, two large rollers are arranged at the rear end of the wheel support 1, the diameter of the large rollers is about sixty centimeters, and the small rollers and the large rollers are used for supporting the whole human body.

Referring to fig. 1, two sets of slope support wheels 19 are provided between two large rollers of the wheel support 1, one set of slope support wheels 19 is provided, the diameter of each slope support wheel 19 is one tenth of that of the large roller of the wheel support 1, and in order to facilitate the whole wheelchair to move on road surfaces with different slopes, a telescopic member 20 for adjusting the distance between the slope support wheels 19 and the wheel support 1 is further provided on the wheel support 1.

Referring to fig. 2, the telescopic member 20 includes a first connection pipe 21 and a second connection pipe 22, and the first connection pipe 21 is bent at an angle greater than ninety degrees. One end of the first connecting pipe 21 is fixed to the wheel bracket 1, and the other end faces the ground. The second connecting tube 22 slides outside the end of the first connecting tube 21 remote from the wheel bracket 1. The slope roller is rotatably connected to the outer side of one end of the second connecting pipe 22 far away from the first connecting pipe 21. Therefore, the telescopic length of the second connecting pipe 22 can be adjusted according to the slope inclination degree of the field, the first connecting pipe 21 and the second connecting pipe 22 are locked through bolts after the adjustment is completed, and finally the effect of improving the movement stability of the whole wheelchair is achieved.

Referring to fig. 1 and 2, in order to facilitate a stump person to stand on a wheelchair, a seat support 2 is rotatably provided on a wheel support 1, and a gas spring 3 is provided between the seat support 2 and the wheel support 1, the gas spring 3 having a booster effect. Thereby further facilitating the rotation of the entire seat support 2 by the stump person.

Referring to fig. 2, the seat support 2 includes a leg support 4 and a hip support 5, both the leg support 4 and the hip support 5 are rotatably connected to the wheel support 1, and the rotation point of the leg support 4 and the wheel support 1 is located right above the small roller. The rotation points of the hip support 5 and the wheel support 1 are also located right above the small roller. The piston rod of the air spring 3 is rotatably connected to the wheel bracket 1, and the rotation point of the piston rod of the air spring 3 and the wheel bracket 1 is positioned at a position close to the small roller, and the base of the air spring 3 is rotatably connected to one end of the hip bracket 5, which is far away from the leg bracket 4. When the stump person is driven to stand, the whole hip support 5 is pulled to rotate, so that the piston rod of the air spring 3 extends out, and the whole hip support 5 rotates on the wheel support 1.

Referring to fig. 3, in an initial state, the height of the base of the air spring 3 is greater than the height of the end of the piston rod of the air spring 3, the air spring 3 is optimally arranged to be inclined, and the length direction of the air spring 3 is fifteen degrees from the horizontal direction, so that the whole hip support 5 is more convenient for a user to rotate through the arrangement.

Referring to fig. 3 and 4, a locking assembly 6 for manually rotating the hip support 5 and fixing the hip support 5 in a state of more than eighty degrees and less than ninety degrees is further provided between the wheel support 1 and the seat support 2, and the locking assembly 6 includes a first arc-shaped rod 7, a handrail 8, a second arc-shaped rod 9 and a third arc-shaped rod 10. One end of the first arc-shaped rod 7 is rotatably connected to the hip support 5, and the other end is rotatably connected to one end of the armrest 8. One end of the second arc-shaped rod 9 is rotatably connected to one end of the armrest 8 far away from the first arc-shaped rod 7, and the other end of the second arc-shaped rod 9 is rotatably connected to the hip support 5. One end of the third arc-shaped rod 10 is rotationally connected with one end of the armrest 8 far away from the first arc-shaped rod 7, the other end of the third arc-shaped rod 10 is rotationally connected to the wheel bracket 1, and one end of the third arc-shaped rod 10 far away from the armrest 8 is detachably connected to the wheel bracket 1, so that users with different weights can be realized through the arrangement.

Referring to fig. 4, in the initial state, the first arc lever 7 and the third arc lever 10 are in an approximately concentric state with the concave sides of both facing in the direction of the armrest 8. The first arc-shaped rod 7 is connected with the hip support 5 at one end with a height larger than that of the other end connected with the armrest 8. The third arc-shaped rod 10 is connected with the armrest 8 at one end with a height greater than that of the other end. And the second arc-shaped rod 9 is attached to the third arc-shaped rod 10. The rotation axis between the second arc-shaped rod 9 and the armrest 8 is the same rotation axis as the rotation axis between the third arc-shaped rod 10 and the armrest 8. The length of the second arc-shaped rod 9 is half the length of the third arc-shaped rod 10.

Referring to fig. 3 and 4, the rotation point of the armrest 8 and the second arc-shaped lever 9 is located above the hip support 5, the rotation point of the armrest 8 and the first arc-shaped lever 7 is located between the two ends of the third arc-shaped lever 10, and the rotation point of the second arc-shaped lever 9 and the hip support 5 is located between the first arc-shaped lever 7 and the leg support 4 and between the two ends of the third arc-shaped lever 10.

Referring to fig. 3 and 4, in actual use, the stump person pulls the armrest 8 such that the armrest 8 and the first arc lever 7 rotate in a direction toward the leg support 4, one end of the second arc lever 9 away from the armrest 8 rotates in a direction away from the wheel support 1, and the other end of the second arc lever 9 rotates in synchronization in a direction toward the wheel support 1. In the process of extending the piston rod of the air spring 3, the preferable setting is eighty-five degrees until the hip support 5 forms an included angle smaller than ten degrees with the vertical direction. The armrest 8, the hip mount 5, the wheel mount 1 and the third curved bar 10 form an unstable parallelogram structure. And the connection point between the armrest 8 and the third arc-shaped rod 10 is positioned in the parallelogram structure area, and the second arc-shaped rod 9 and the third arc-shaped rod 10 are arranged at an obtuse angle and an included angle of less than one hundred eighty degrees.

Referring to fig. 4, in the above wheelchair state, the armrest 8 is continuously rotated in the same direction, so that the rotation point between the armrest 8 and the third arc lever 10 is separated from the parallelogram area, and thus the included angle between the second arc lever 9 and the third arc lever 10 is approximately one hundred eighty degrees. At the moment, the parallelogram structure is destroyed, so that the connecting rod structure of the whole wheelchair is in a steady state, and the self-locking effect is realized under the action of no external force.

Referring to fig. 1, 3 and 4, in order to further secure the stability of the wheelchair structure in the above state, a locking bar 11 is fixed to one end of the second arc-shaped bar 9, which is far from the armrest 8, and the length direction of the locking bar 11 is parallel to the axial direction of the wheelchair roller. The lock catch 12 is fixed on the side wall of the hip support 5, and when a user stands, the lock rod 11 is clamped on the lock catch 12, so that the falling injury accident of the residual limb personnel is further reduced.

Referring to fig. 5, in order to reduce the accident of the rotation of the hip support 5 caused by the false touch, a limit rod 17 is fixed on one side of the second arc rod 9 close to the hip support 5, a plane is formed on the limit rod 17, and a baffle 18 is slidably arranged on the side wall of the hip support 5 along the direction perpendicular to the axial direction of the wheelchair roller. When the hip support 5 is limited to rotate, the baffle piece 18 is slid and enabled to be in contact with and abut against the plane of the limiting rod 17, and therefore the locking effect is achieved.

Referring to fig. 3 and 5, in order to make the leg support 4 adjustable, a fourth arc-shaped rod 13 is provided between the leg support 4 and the wheel support 1, one end of the fourth arc-shaped rod 13 is rotatably connected to the leg support 4, and the other end is rotatably connected to the wheel support 1, so that the angle of inclination of the leg can be adjusted. A foot pedal 15 is also fixed to the leg support 4 by means of a bolt, the position of the foot pedal 15 is adjusted according to the height of the patient, and a foot stand 14 is fixed to the end of the leg support 4 that contacts the ground.

Referring to fig. 2 and 3, in order to reduce the occurrence of a stump injury due to leg weakness during standing, a leg support sleeve 16 is provided on a side of the leg support 4 remote from the wheel support 1, and a leg support table is fastened to the wheel support 1 by bolting. In actual use, the disabled person sits in the wheelchair in advance, and then the leg support sleeves 16 are installed, so that leg support points are provided for the disabled person, and the disabled person can stand conveniently.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A standing wheelchair, comprising a wheel support (1) and a seat support (2), characterized in that: the seat comprises a seat support (2) and a wheel support (1), wherein a gas spring (3) is arranged between the seat support (2) and the wheel support (1), the seat support (2) comprises a leg support (4) and a hip support (5), the end part of a piston rod of the gas spring (3) is rotationally connected with one end of the wheel support (1) close to the leg support (4), one end of the leg support (4) is rotationally connected with one end of the wheel support (1) close to the leg support (4), the other end of the leg support is rotationally connected with a base of the gas spring (3), the height of the base of the gas spring (3) is larger than the height of the end part of the piston rod in an initial state, a locking assembly (6) which is used for manually rotating the seat support (2) by a user and fixing the hip support (5) to be more than eighty degrees and less than ninety degrees is arranged between the wheel support (1) and the seat support (2), the locking assembly (6) comprises a first arc-shaped rod (7) rotationally connected with the hip support (5), a second arc-shaped rod (8) rotationally connected with the first arc-shaped rod (7) far away from the leg support (5), the first arc-shaped rod (8) is rotationally connected with the first arc-shaped rod (8) and the arc-shaped rod (8) is rotationally connected with the second arc-shaped rod (9) far from the first arc-shaped rod (9) at the arc-shaped rod (8) and the arc-shaped rod is far from the first arc-shaped rod (10) at the arc-shaped rod, one end that handrail (8) was kept away from to third arc pole (10) rotates to be connected on wheel support (1), under the initial condition the rotation point of handrail (8) and second arc pole (9) is located the top of buttock support (5), just the rotation point of handrail (8) and first arc pole (7) is located between the both ends of third arc pole (10), the rotation point of second arc pole (9) and buttock support (5) is located between first arc pole (7) and shank support (4) and is located between the both ends of third arc pole (10).

2. A standing wheelchair according to claim 1, characterised in that: one end of the second arc-shaped rod (9) far away from the armrest (8) is fixed with a lock rod (11), a lock catch (12) is fixed on the side wall of the hip support (5), and when a user is in a standing state, the lock rod (11) is clamped on the lock catch (12).

3. A standing wheelchair according to claim 1, characterised in that: a fourth arc-shaped rod (13) is arranged between the leg support (4) and the wheel support (1), one end of the fourth arc-shaped rod (13) is rotationally connected to the leg support (4), the other end of the fourth arc-shaped rod is rotationally connected to the wheel support (1), and a foot seat (14) is fixed at one end, far away from the wheel support (1), of the leg support (4).

4. A standing wheelchair according to claim 1, characterised in that: the leg support (4) is detachably provided with a foot pedal (15), and one side, far away from the wheel support (1), of the leg support (4) is detachably provided with a leg support sleeve (16).

5. A standing wheelchair according to claim 1, characterised in that: one side of the second arc-shaped rod (9) close to the hip support (5) is fixed with a limiting rod (17), a blocking piece (18) is slidably arranged on the side wall of the hip support (5), and when the second arc-shaped rod (9) is limited to rotate, the blocking piece (18) is slid and enabled to be attached to and abutted against the limiting rod (17).

6. A standing wheelchair according to claim 1, characterised in that: two groups of slope supporting wheels (19) are arranged on the side wall of the wheel support (1), and telescopic pieces (20) used for adjusting the distance between the slope supporting wheels (19) and the wheel support (1) are further arranged on the wheel support (1).

7. A standing wheelchair according to claim 6, characterised in that: the telescopic part (20) comprises a first connecting pipe (21) fixed on the wheel bracket (1) and a second connecting pipe (22) arranged outside the first connecting pipe (21) in a sliding mode, the slope supporting wheel (19) is rotationally connected to the second connecting pipe (22), and the first connecting pipe (21) and the second connecting pipe (22) are relatively fixed through bolts.

8. A standing wheelchair according to claim 1, characterised in that: one end of the third arc-shaped rod (10) far away from the armrest (8) is detachably connected with the wheel bracket (1).