CN114246740A

CN114246740A - Standing wheelchair

Info

Publication number: CN114246740A
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: 2022-03-29
Anticipated expiration: 2042-01-04
Also published as: CN114246740B

Abstract

The application relates to the field of travel tools, in particular to a standing wheelchair, which comprises a wheel support and a seat support, wherein an air spring is arranged between the seat support and the wheel support, the seat support comprises a leg support and a hip support, the end part of a piston rod of the air spring is rotatably connected to one end, close to the leg support, of the wheel support, one end of the leg support is rotatably connected with one end, close to the leg support, of the wheel support, the other end of the leg support is rotatably connected with a base of the air spring, the height of the base of the air spring is larger than that of the end part of the piston rod in an initial state, a locking component which is used for a user to manually rotate the seat support and fix the hip support in a state of being larger than eighty degrees and smaller than ninety degrees is further arranged between the wheel support and the seat support, and the standing can be realized without the help of the person by adopting the scheme, the recovery of the disabled limb personnel is facilitated, and the body health of the disabled limb personnel is guaranteed.

Description

Standing wheelchair

Technical Field

The application relates to the field of travel tools, in particular to a standing wheelchair.

Background

With the development of social welfare and improvement of living standard of people, disabled people use rehabilitation wheelchairs more and more, and the wheelchairs become indispensable travel tools for people with lower limb disabilities and old and weak people, and the trouble of caring people is avoided.

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 do physical exercise and participate in social activities by means of the wheelchair.

However, most wheelchairs in the market can only provide sitting postures at present, a user can only sit on the wheelchairs all the time, the hip of the user is in a pressed state for a long time due to the single sitting posture, and bedsores and even leg muscle atrophy are easily caused. Thereby seriously affecting the physical health of the disabled.

Disclosure of Invention

In order to guarantee the physical health of disabled people, the application provides a stand-type wheelchair.

The application provides a stand-type wheelchair adopts following technical scheme:

the utility model provides a stand-type 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 tailpiece of the piston rod portion of air spring rotates the one end of connecting and being close to the shank support at the wheel support, shank support one end is rotated with the one end that the wheel support is close to the shank support and is connected, and the other end rotates with the base of air spring to be connected, under the initial condition, the height that highly is greater than the tailpiece of the piston rod portion of air spring base, still be provided with between wheel support and the seat support and be used for the manual seat support of rotating of user after and be the fixed closure subassembly that is greater than eighty degree and be less than ninety degree state of buttock support.

Through adopting above-mentioned technical scheme, when the user need stand, pull the buttock support, the piston rod of air spring stretches out the helping hand, make whole wheel support and seat support rotate relatively, when whole buttock support rotates to eighty-five degrees left and right sides, contained angle between buttock support and the vertical direction is less than ten degrees this moment, the residual limb personnel are in the slope and stand this moment, under the effect of closure subassembly, thereby whole wheelchair structure is in stable state, under the effect of no external force, the residual limb personnel also need for the help for the people alright realization stand, the residual limb personnel of being convenient for resume, the healthy of residual limb personnel has been ensured.

Optionally, the locking assembly includes a first arc-shaped rod rotatably connected to the hip support, a handrail rotatably connected to the first arc-shaped rod and far away from the hip support, a second arc-shaped rod rotatably connected to the handrail and far away from one end of the first arc-shaped rod, and a third arc-shaped rod rotatably connected to the handrail and far away from one end of the handrail, the second arc-shaped rod is rotatably connected to the hip support, one end of the third arc-shaped rod far away from the handrail is rotatably connected to the wheel support, in an initial state, a rotation point of the handrail and the second arc-shaped rod is located above the hip support, a rotation point of the handrail and the first arc-shaped rod is located between two ends of the third arc-shaped rod, and a rotation point of the second arc-shaped rod and the hip support is located between the first arc-shaped rod and the leg support and between two ends of the third arc-shaped rod.

Through adopting above-mentioned technical scheme, when the stump personnel need stand, rotate the handrail, make first arc pole, the second arc pole, third arc pole and the synchronous rotation of fourth arc pole, the piston rod of air spring stretches out simultaneously, make whole buttock support rotate around the pivot between self and the wheel support, until the contained angle between buttock support and the vertical direction is less than ten degrees when, the handrail this moment, the buttock support, wheel support and third arc pole form unstable parallelogram structure, continue to rotate the handrail this moment, make the pivot 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, a lock rod is fixed at one end of the second arc-shaped rod, which is far away from the armrest, a lock catch is fixed on the side wall of the hip support, and when the user is in a standing state, the lock rod is clamped on the lock catch.

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

Optionally, a fourth arc-shaped rod is arranged between the leg support and the wheel support, one end of the fourth arc-shaped rod is rotatably connected to the leg support, the other end of the fourth arc-shaped rod is rotatably connected to the wheel support, and a foot seat is fixed at one end, away from the wheel support, of the leg support.

Through adopting above-mentioned technical scheme, the fourth arc pole makes the shank support adjustable, has increased the area of shank support with ground contact through setting up the foot stool, and the in-process foot stool that the stump personnel stood supports subaerial stump personnel of being convenient for and stands to promote the stability that the shank support supported, and the stability when the wheelchair was stood the state.

Optionally, a pedal is detachably arranged on the leg support, and a leg support sleeve is detachably arranged on one side, away from the wheel support, of the leg support.

Through adopting above-mentioned technical scheme, the running-board is convenient for the incomplete personnel of limb to support the shank, sets up flexible shank simultaneously and supports the cover, and supplementary incomplete limb personnel stand, and the incomplete limb personnel's of being convenient for shank straightens, also makes the incomplete personnel of limb be difficult to fall from whole wheelchair simultaneously, has not only ensured the travelling comfort of wheelchair, has ensured the security that the incomplete personnel of limb used the wheelchair simultaneously.

Optionally, a limiting rod is fixed to one side, close to the hip support, of the second arc-shaped rod, a blocking piece is arranged on the side wall of the hip support in a sliding mode, and when the second arc-shaped rod is limited to rotate, the blocking piece slides and is attached to and abutted against the limiting rod.

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

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

Through adopting above-mentioned technical scheme, promote the in-process that the wheelchair went up a slope, domatic supporting wheel has promoted the stability that the wheelchair removed, prevents that the wheelchair from turning over backward by accident, through the adjustable interval between domatic supporting wheel and the ground of extensible member to ensure stability.

Optionally, the telescopic part comprises a first connecting pipe fixed on the wheel support and a second connecting pipe arranged outside the first connecting pipe in a sliding manner, the slope supporting wheel is rotatably connected to the second connecting pipe, and the first connecting pipe and the second connecting pipe are relatively fixed through a bolt.

Through adopting above-mentioned technical scheme, the personnel that promote the wheelchair can adjust the flexible length of second connecting pipe according to the domatic slope degree on the spot at the in-process that promotes the wheelchair, adjusts and locks first connecting pipe and second connecting pipe each other through the bolt after accomplishing.

Optionally, one end of the third arc-shaped rod, which is far away from the armrest, 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 when keeping away from shank support one side at big gyro wheel pivot, whole wheelchair is adult's user mode this moment, whole wheelchair can bear the adult weight within one hundred jin to three hundred jin, the length of the third arc pole that uses this moment is the longest state, when needing whole wheelchair miniaturization, the user is short for a short time, change the third arc pole for shorter this moment, make third arc pole one end rotate to be connected on the handrail, the other end rotates the position of connection between big gyro wheel and shank support, thereby the air spring of the different bearing capacities of selectable and the third arc pole of corresponding length when the user of different weight uses, thereby it is more laborsaving convenient when ensureing the user to use.

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 under the effect of no external force, the disabled person can stand without the help of a person, so that the disabled person can recover conveniently, and the physical health of the disabled person is guaranteed.

2. Set up flexible shank and support the cover for the incomplete personnel of limb is difficult to fall from whole wheelchair, has not only ensured the travelling comfort of wheelchair, has ensured the security that the incomplete personnel of limb used the wheelchair simultaneously.

Drawings

Fig. 1 is an isometric view of the overall construction of this embodiment.

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

Fig. 3 is a schematic view of the overall structure of the wheel carrier and the seat carrier in this embodiment.

Fig. 4 is a schematic view of the overall structure of the seat support of the present embodiment, which is mainly used 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 blocking plate.

Reference numerals: 1. a wheel carrier; 2. a seat support; 3. a gas spring; 4. a leg support; 5. a hip mount; 6. a locking assembly; 7. a first arcuate bar; 8. a handrail; 9. a second arcuate bar; 10. a third arcuate bar; 11. a lock lever; 12. locking; 13. a fourth arc-shaped rod; 14. a foot seat; 15. a foot pedal; 16. a leg support sleeve; 17. a limiting rod; 18. a baffle plate; 19. a slope surface supporting wheel; 20. a telescoping member; 21. a first connecting pipe; 22. a second connecting pipe.

Detailed Description

The present application is described in further detail below with reference to 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 a whole seat, two small rollers are arranged at the front end of the wheel support 1, the diameter of the two small rollers is set to be about ten centimeters, two large rollers are arranged at the rear end of the wheel support 1, the diameter of the two large rollers is set to be about sixty centimeters, and the small rollers and the large rollers are used for supporting the whole human body.

Referring to fig. 1, two groups of slope supporting wheels 19 are arranged between two large rolling wheels of a wheel support 1, the number of each group of slope supporting wheels 19 is one, the diameter of each slope supporting wheel 19 is one tenth of that of the large rolling wheel of the wheel support 1, and in order to facilitate the movement of the whole wheelchair on roads with different slopes, a telescopic part 20 for adjusting the distance between the slope supporting wheel 19 and the wheel support 1 is further arranged 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 carrier 1 and the other end faces the ground. The second connecting pipe 22 slides outside the end of the first connecting pipe 21 remote from the wheel carrier 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. Thereby can adjust the flexible length of second connecting pipe 22 according to the domatic slope degree on the spot, adjust and accomplish the back and lock first connecting pipe 21 and second connecting pipe 22 through the bolt, finally reach the effect that promotes whole wheelchair mobility stability.

Referring to fig. 1 and 2, in order to facilitate a disabled person to stand on the wheelchair, a seat support 2 is rotatably disposed on a wheel support 1, and a gas spring 3 is disposed between the seat support 2 and the wheel support 1, the gas spring 3 having a boosting effect. Thereby facilitating the rotation of the whole seat support 2 by the disabled.

Referring to fig. 2, the seat frame 2 includes a leg frame 4 and a hip frame 5, the leg frame 4 and the hip frame 5 are both rotatably connected to the wheel frame 1, and the rotation point of the leg frame 4 and the wheel frame 1 is located right above the small roller. The rotation point of the hip bracket 5 and the wheel bracket 1 is also positioned right above the small roller. The piston rod of the gas spring 3 is rotatably connected to the wheel support 1, the rotating point of the piston rod of the gas spring 3 and the wheel support 1 is located at a position close to the small roller, and the base of the gas spring 3 is rotatably connected to one end, far away from the leg support 4, of the hip support 5. When the disabled person is driven to stand, the whole hip support 5 is pulled to rotate, so that a 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 the initial state, the height of the base of the gas spring 3 is greater than the height of the piston rod end of the gas spring 3, the gas spring 3 is optimally set to be inclined, and the length direction of the gas spring 3 is fifteen degrees from the horizontal direction, so that the user can rotate the whole hip support 5 more conveniently.

Referring to fig. 3 and 4, a locking assembly 6 for manually rotating the hip bracket 5 and fixing the hip bracket 5 in a state of more than eighty degrees and less than ninety degrees is further disposed between the wheel bracket 1 and the seat bracket 2, and the locking assembly 6 includes a first arc-shaped rod 7, an armrest 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 handrail 8. One end of the second arc-shaped rod 9 is rotatably connected to one end, far away from the first arc-shaped rod 7, of the handrail 8, and the other end of the second arc-shaped rod 9 is rotatably connected to the hip support 5. The one end that first arc pole 7 was kept away from to third arc pole 10 one end and handrail 8 rotates to be connected, and the other end of third arc pole 10 rotates to be connected on wheel support 1, and the one end that handrail 8 was kept away from to third arc pole 10 can be dismantled and connect on wheel support 1, can realize the user use of different weight through the aforesaid setting.

Referring to fig. 4, in the initial state, the first arc-shaped rod 7 and the third arc-shaped rod 10 are approximately concentric and the concave sides of the two are facing the direction of the handrail 8. The height of one end of the first arc-shaped rod 7 connected with the hip support 5 is larger than that of the other end connected with the handrail 8. The height of the third arc-shaped rod 10 connected with the handrail 8 is larger than that of the other end. And the second arc-shaped rod 9 is attached to the third arc-shaped rod 10. The rotating shaft between the second arc-shaped rod 9 and the handrail 8 and the rotating shaft between the third arc-shaped rod 10 and the handrail 8 are the same rotating shaft. The length of the second curved bar 9 is half the length of the third curved bar 10.

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

Referring to fig. 3 and 4, in practical use, the disabled person pulls the handrail 8, so that the handrail 8 and the first arc-shaped rod 7 rotate towards the direction close to the leg support 4, one end of the second arc-shaped rod 9 far away from the handrail 8 rotates towards the direction far away from the wheel support 1, and the other end of the second arc-shaped rod 9 synchronously rotates towards the direction close to the wheel support 1. In the process that the piston rod of the gas spring 3 extends out, the hip support 5 and the vertical direction form an included angle smaller than ten degrees, and the included angle is preferably set to eighty-five degrees. The armrest 8, the hip support 5, the wheel support 1 and the third curved bar 10 now form an unstable parallelogram structure. And the connecting point between the handrail 8 and the third arc-shaped rod 10 is positioned in the parallelogram structure area, the second arc-shaped rod 9 and the third arc-shaped rod 10 are arranged in an obtuse angle, and the included angle is less than one hundred eighty degrees.

Referring to fig. 4, in the state of the wheelchair, the armrest 8 continues to rotate in the same direction, so that the rotation point between the armrest 8 and the third arc-shaped rod 10 is separated from the parallelogram area, and the included angle between the second arc-shaped rod 9 and the third arc-shaped rod 10 is nearly one hundred eighty degrees. The parallelogram structure is destroyed at the moment, so that the connecting rod structure of the whole wheelchair is in a stable state, and the self-locking effect is realized without external force.

Referring to fig. 1, 3 and 4, in order to further ensure the stability of the wheelchair structure in the above state, a lock lever 11 is fixed to one end of the second arc-shaped lever 9 away from the armrest 8, and the length direction of the lock lever 11 is parallel to the axial direction of the wheelchair roller. The side wall of the hip bracket 5 is fixed with a lock catch 12, and when a user stands, the lock rod 11 is clamped on the lock catch 12, so that the falling injury accidents of the disabled are further reduced.

Referring to fig. 5, in order to reduce the accident of rotation of the hip support 5 caused by accidental touch, a limiting rod 17 is fixed on one side of the second arc-shaped rod 9 close to the hip support 5, a plane is arranged on the limiting rod 17, and a blocking piece 18 is arranged on the side wall of the hip support 5 in a sliding manner along the direction vertical to the axial direction of the wheelchair roller. When the hip bracket 5 is limited to rotate, the blocking piece 18 is slid, and the blocking piece 18 is attached to and abutted against the plane of the limiting rod 17, so that the locking effect is realized.

Referring to fig. 3 and 5, in order to make the leg support 4 adjustable, a fourth arc rod 13 is provided between the leg support 4 and the wheel support 1, one end of the fourth arc 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 fixed on the leg support 4 by a bolt fixing mode, the position of the foot pedal 15 is adjusted according to the height of a patient, and a foot seat 14 is fixed at the end part of the leg support 4 contacting with the ground.

Referring to fig. 2 and 3, in order to reduce the incidence of falling injury caused by the leg weakness of the disabled person during the standing process, a leg support sleeve 16 is arranged on one side of the leg support 4 away from the wheel support 1, and the leg support is fixed on the wheel support 1 through a bolt connection mode. In practical use, the disabled person sits on the wheelchair in advance, and then the leg support sleeve 16 is installed, so that a leg support point is provided for the disabled person, and the disabled person can stand conveniently.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A standing wheelchair comprises a wheel support (1) and a seat support (2), and is characterized in that: be provided with air spring (3) between seat support (2) and wheel support (1), seat support (2) include shank support (4) and buttock support (5), the piston rod end portion of air spring (3) rotates the one end of connecting and being close to shank support (4) in wheel support (1), shank support (4) one end is rotated with the one end that wheel support (1) is close to shank support (4) and is connected, and the other end rotates with the base of air spring (3) and is connected, under the initial condition, the height that highly is greater than the height of piston rod end portion of air spring (3) base, still be provided with between wheel support (1) and seat support (2) and be used for the user to rotate behind seat support (2) manually and be fixed buttock support (5) and be more than eighty degree and be less than ninety degree locking subassembly (6) of state.

2. A standing wheelchair in accordance with claim 1, wherein: the locking assembly (6) comprises a first arc-shaped rod (7) rotatably connected to the hip support (5), a handrail (8) rotatably connected with the first arc-shaped rod (7) and far away from the hip support (5), and a second arc-shaped rod (9) and a third arc-shaped rod (10) rotatably connected to the handrail (8) and far away from one end of the first arc-shaped rod (7), wherein one end of the second arc-shaped rod (9) far away from the handrail (8) is rotatably connected to the hip support (5), one end of the third arc-shaped rod (10) far away from the handrail (8) is rotatably connected to the wheel support (1), the rotating points of the handrail (8) and the second arc-shaped rod (9) are located above the hip support (5) in an initial state, the rotating points of the handrail (8) and the first arc-shaped rod (7) are located between two ends of the third arc-shaped rod (10), and the rotating points of the second arc-shaped rod (9) and the hip support (5) are located between the first arc-shaped rod (7) and the leg support (4) and between two ends of the leg support (4) respectively Is positioned between the two ends of the third arc-shaped rod (10).

3. A standing wheelchair in accordance with claim 1, wherein: one end, far away from the handrail (8), of the second arc-shaped rod (9) is fixedly provided with a lock rod (11), the side wall of the hip support (5) is fixedly provided with a lock catch (12), and when a user is in a standing state, the lock rod (11) is connected to the lock catch (12) in a clamping mode.

4. A standing wheelchair in accordance with claim 1, wherein: be provided with fourth arc pole (13) between shank support (4) and wheel support (1), fourth arc pole (13) one end is rotated and is connected on shank support (4), and the other end is rotated and is connected on wheel support (1), the one end that wheel support (1) was kept away from in shank support (4) is fixed with foot stool (14).

5. A standing wheelchair in accordance with claim 1, wherein: a pedal (15) is detachably arranged on the leg support (4), and a leg support sleeve (16) is detachably arranged on one side, away from the wheel support (1), of the leg support (4).

6. A standing wheelchair in accordance with claim 1, wherein: one side of the second arc-shaped rod (9) close to the hip support (5) is fixedly provided with a limiting rod (17), the side wall of the hip support (5) is provided with a blocking piece (18) in a sliding mode, and when the second arc-shaped rod (9) is limited to rotate, the blocking piece (18) slides and is attached to and abutted against the limiting rod (17).

7. A standing wheelchair in accordance with claim 1, wherein: the wheel support is characterized in that two groups of slope surface 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 surface supporting wheels (19) and the wheel support (1) are further arranged on the wheel support (1).

8. A standing wheelchair in accordance with claim 7, wherein: the telescopic piece (20) comprises a first connecting pipe (21) fixed on the wheel support (1) and a second connecting pipe (22) arranged outside the first connecting pipe (21) in a sliding mode, the slope supporting wheel (19) is rotatably connected onto the second connecting pipe (22), and the first connecting pipe (21) and the second connecting pipe (22) are relatively fixed through bolts.

9. A standing wheelchair in accordance with claim 2, wherein: one end of the third arc-shaped rod (10) far away from the handrail (8) is detachably connected with the wheel support (1).