CN214129104U - Wheelchair vehicle instead of walk with shock-absorbing function - Google Patents

Abstract

The utility model discloses a wheelchair car of riding instead of walk with shock-absorbing function, it is including can accomodating handrail, seat frame, preceding wheel carrier, pedal, preceding universal shock attenuation wheel, folding connecting rod, chassis, the shock attenuation drive wheel of preventing inclining behind, supporting connecting rod and back frame, the left end of seat frame is fixed in the bottom of back frame is inboard, just the equal fixed mounting in middle part both sides of back frame can accomodate the handrail. The utility model relates to a novelty has all independently designed spring shock-absorbing structure on every front wheel, and this structure utilizes lever principle to become the straight line deformation of first spring around the rotatory deformation of a center pin, just so can enlarge its deflection and first spring rate, realizes utilizing first spring to do the damper of a sufficient big deflection in a less space, should also play the effect of absorbing horizontal impact for its eccentric overall arrangement simultaneously.

Description

Wheelchair vehicle instead of walk with shock-absorbing function

Technical Field

The utility model relates to a wheelchair car field of riding instead of walk specifically is a wheelchair car of riding instead of walk with shock-absorbing function.

Background

The folding wheelchair is the most convenient type in the wheelchair category, can be folded at any time, is beneficial to a user to carry or hide, can reduce the occupied space, and is widely applied in life at present.

However, most of the folding wheelchairs on the market have a general damping effect, and are easy to generate large jolts on uneven road surfaces and even incline and fall.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a wheelchair vehicle of riding instead of walk with shock-absorbing function in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wheelchair car of riding instead of walk with shock-absorbing function, its is including can accomodating handrail, seat frame, preceding wheel carrier, pedal, preceding universal shock attenuation wheel, folding connecting rod, chassis, the shock attenuation drive wheel of preventing inclining backward, support connecting rod and back frame, its characterized in that: the left end of the seat frame is fixed at the inner side of the bottom of the backrest frame, the two sides of the middle of the backrest frame are fixedly provided with the foldable handrails, the lower part of the seat frame is provided with the bottom frame which is obliquely arranged leftwards and downwards, the left end of the bottom frame is fixedly arranged at the bottom end of the supporting connecting rod, the two sides of the bottom end of the supporting connecting rod are respectively provided with the rear anti-tilting damping driving wheel, and the top end of the supporting connecting rod is fixedly connected with the bottom end of the backrest frame;

the right end of the underframe is fixedly arranged at the top end of the front wheel frame, the top end of the front wheel frame is fixedly connected with the bottom end of the seat frame, the front universal damping wheels are mounted on two sides of the bottom end of the front wheel frame, and the pedals fixed on the front wheel frame are arranged between the two front universal damping wheels.

Further, as preferred, preceding universal damping wheel includes cardan shaft, bearing frame, first spring, front wheel, front fork, front wheel damping shaft and front wheel shock mount, the bottom of front fork is rotated and is provided with the front wheel, the top of front fork is passed through the front wheel damping shaft rotates and connects the left end of front wheel shock mount, just the front wheel shock mount with be connected with between the front fork first spring, the right-hand member of front wheel shock mount top end face is fixed with the bearing frame, install in the bearing frame the cardan shaft.

Further, as preferred, the shock attenuation drive wheel of preventing inclining backward includes motor damping axle, motor cushion socket, second spring, shock attenuation motor frame and prevents inclining, be equipped with on the lateral surface of preventing inclining the shock attenuation motor frame, the shock attenuation motor frame pass through the motor damping axle with the motor cushion socket rotates to be connected, the motor cushion socket with be connected with the second spring between the shock attenuation motor frame, just the second spring is located the upper right side of motor damping axle.

The utility model adopts the above technique, compare with current technique and have following beneficial effect:

1. the utility model discloses in the device, spring shock-absorbing structure has all independently designed on every front wheel, and this structure utilizes lever principle to become the straight line deformation of first spring around the rotatory deformation of a center pin, just so can enlarge its deflection and first spring rate, realizes utilizing first spring to do the damper of a sufficient big deflection in a less space, should also play the effect of absorbing horizontal impact for its eccentric overall arrangement simultaneously.

2. The anti-roll wheel also adopts a lever type spring damping mechanism, and the second spring is arranged at the upper end of the rotating shaft and is fixed in position, so that the impact vibration in the vertical and horizontal directions can be reduced.

Drawings

FIG. 1 is a schematic perspective view of a wheelchair with shock absorption function;

FIG. 2 is a schematic structural view of a front universal shock-absorbing wheel of a wheelchair with shock-absorbing function;

fig. 3 is a schematic structural view of a rear anti-tilt shock-absorbing driving wheel in the wheelchair with shock-absorbing function.

In the figure: 1. the handrail can be accommodated; 2. a seat frame; 3. a front wheel carrier; 4. pedaling; 5. a front universal shock-absorbing wheel; 501. a cardan shaft; 502. a bearing seat; 503. a spring; 504. a front wheel; 505. a front fork; 506. a front wheel shock absorbing shaft; 507. a front wheel shock mount; 6. folding the connecting rod; 7. a chassis; 8. a rear anti-roll shock-absorbing driving wheel; 801. a motor damper shaft; 802. a motor shock mount; 803. a second spring; 804. a shock-absorbing motor frame; 805. an anti-roll wheel; 9. a support link; 10. a backrest frame.

Detailed Description

In combination with the drawings of the embodiments of the present invention, the following will clearly and completely describe the technical solutions of the embodiments of the present invention.

Example (b): referring to fig. 1-3, wherein a position in fig. 2 is a limiting contact surface, the present invention provides a technical solution: a wheelchair scooter with a shock absorption function comprises a storable handrail 1, a seat frame 2, a front wheel frame 3, a pedal 4, a front universal shock absorption wheel 5, a folding connecting rod 6, an underframe 7, a rear anti-tilting shock absorption driving wheel 8, a supporting connecting rod 9 and a backrest frame 10, wherein the left end of the seat frame 2 is fixed at the inner side of the bottom of the backrest frame 10, the storable handrail 1 is fixedly installed at two sides of the middle of the backrest frame 10, the underframe 7 which is inclined leftwards and downwards is arranged below the seat frame 2, the left end of the underframe 7 is fixedly arranged at the bottom end of the supporting connecting rod 9, the rear anti-tilting shock absorption driving wheel 8 is installed at two sides of the bottom end of the supporting connecting rod 9, and the top end of the supporting connecting rod 9 is fixedly connected with the bottom end of the backrest frame 10;

the right end of the underframe 7 is fixedly arranged at the top end of the front wheel frame 3, the top end of the front wheel frame 3 is fixedly connected with the bottom end of the seat frame 2, front universal damping wheels 5 are mounted on two sides of the bottom end of the front wheel frame 3, and pedals 4 fixed on the front wheel frame 3 are arranged between the two front universal damping wheels 5.

In this embodiment, the front universal shock absorption wheel 5 includes a universal shaft 501, a bearing block 502, a first spring 503, a front wheel 504, a front fork 505, a front wheel shock absorption shaft 506 and a front wheel shock absorption seat 507, the bottom end of the front fork 505 is rotatably provided with the front wheel 504, the top end of the front fork 505 is rotatably connected with the left end of the front wheel shock absorption seat 507 through the front wheel shock absorption shaft 506, the first spring 503 is connected between the front wheel shock absorption seat 507 and the front fork 505, the bearing block 502 is fixed at the right end of the top end face of the front wheel shock absorption seat 507, and the universal shaft 501 is installed in the bearing block 502.

In this embodiment, the rear anti-tilting shock-absorbing driving wheel 8 includes a motor shock-absorbing shaft 801, a motor shock-absorbing mount 802, a second spring 803, a shock-absorbing motor mount 804 and a tilting-proof wheel 805, the shock-absorbing motor mount 804 is disposed on the outer side surface of the tilting-proof wheel 805, the shock-absorbing motor mount 804 is rotatably connected with the motor shock-absorbing mount 802 through the motor shock-absorbing shaft 801, the second spring 803 is connected between the motor shock-absorbing mount 802 and the shock-absorbing motor mount 804, and the second spring 803 is located above and to the right of the motor shock-absorbing shaft 801.

In specific implementation, a spring damping structure is independently designed on each front wheel 504, the structure changes the linear deformation of the first spring 503 into the rotational deformation around a central shaft by utilizing the lever principle, so that the deformation amount and the rigidity of the first spring 503 can be enlarged, a damping mechanism with enough large deformation amount can be realized by utilizing the first spring 503 in a small space, meanwhile, the eccentric layout can also play a role in absorbing horizontal impact force, in addition, the anti-tilt wheel 805 also adopts a lever type spring damping mechanism, the second spring 803 is arranged at the upper end of a rotating shaft and is fixed in position, and the impact vibration in the vertical and horizontal directions can be reduced.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (3)

1. The utility model provides a wheelchair car of riding instead of walk with shock-absorbing function, its is including can accomodating handrail (1), seat frame (2), preceding wheel carrier (3), pedal (4), preceding universal shock attenuation wheel (5), folding connecting rod (6), chassis (7), the shock attenuation drive wheel (8) of preventing inclining backward, support link (9) and back frame (10), its characterized in that: the left end of the seat frame (2) is fixed on the inner side of the bottom of the backrest frame (10), the foldable handrails (1) are fixedly installed on two sides of the middle of the backrest frame (10), the bottom frame (7) which is obliquely arranged leftwards and downwards is arranged below the seat frame (2), the left end of the bottom frame (7) is fixedly arranged at the bottom end of the supporting connecting rod (9), the rear anti-tilting damping driving wheels (8) are installed on two sides of the bottom end of the supporting connecting rod (9), and the top end of the supporting connecting rod (9) is fixedly connected with the bottom end of the backrest frame (10);

the right end of the underframe (7) is fixedly arranged at the top end of the front wheel frame (3), the top end of the front wheel frame (3) is fixedly connected with the bottom end of the seat frame (2), the front universal damping wheels (5) are arranged on two sides of the bottom end of the front wheel frame (3), and the pedals (4) are fixed on the front wheel frame (3) and arranged between the front universal damping wheels (5).

2. The wheelchair vehicle with shock absorption function as claimed in claim 1, wherein: preceding universal damping wheel (5) are including cardan shaft (501), bearing frame (502), first spring (503), front wheel (504), front fork (505), front wheel damping shaft (506) and front wheel shock mount (507), the bottom of front fork (505) is rotated and is provided with front wheel (504), the top of front fork (505) is passed through front wheel damping shaft (506) are rotated and are connected the left end of front wheel shock mount (507), just front wheel shock mount (507) with be connected with between front fork (505) first spring (503), the right-hand member of front wheel shock mount (507) top end face is fixed with bearing frame (502), install in bearing frame (502) cardan shaft (501).

3. The wheelchair vehicle with shock absorption function as claimed in claim 1, wherein: the rear anti-tilting shock-absorbing driving wheel (8) comprises a motor shock-absorbing shaft (801), a motor shock-absorbing seat (802), a second spring (803), a shock-absorbing motor frame (804) and an anti-tilting wheel (805), wherein the shock-absorbing motor frame (804) is arranged on the outer side surface of the anti-tilting wheel (805), the shock-absorbing motor frame (804) is rotatably connected with the motor shock-absorbing seat (802) through the motor shock-absorbing shaft (801), the second spring (803) is connected between the motor shock-absorbing seat (802) and the shock-absorbing motor frame (804), and the second spring (803) is located above and to the right of the motor shock-absorbing shaft (801).

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