CN212522214U

CN212522214U - Self-adaptive gradient adjustment safety wheelchair

Info

Publication number: CN212522214U
Application number: CN202020614371.XU
Authority: CN
Inventors: 朱晓楠
Original assignee: First Affiliated Hospital of Zhengzhou University
Current assignee: First Affiliated Hospital of Zhengzhou University
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2021-02-12
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses a self-adaptation slope regulation safety type wheelchair, relate to wheelchair technical field, specifically be self-adaptation slope regulation safety type wheelchair, the axle center department of walking wheel rotates and is connected with the main shaft, the both ends of main shaft all are provided with the linkage segment, the inside of rotating the seat is rotated through the bearing and is connected the upper end at the linkage segment, the one end fixedly connected with braced frame of rotating the seat, the hydraulic stretching leg sets up the one end at braced frame, the one end of hydraulic stretching leg is rotated and is connected with the leading wheel, the back fixed connection of shock attenuation board is in the upper end of rotating the seat, the one end fixed connection of shock attenuation pole is in one side of braced frame, the other end fixed connection of shock attenuation pole is at the back of shock attenuation board, the upper end. This safe type wheelchair is adjusted to self-adaptation slope through the cooperation setting of leading wheel and the flexible leg of hydraulic pressure, and whole braced frame's wrench movement has driven the slope of shock attenuation board to reach the purpose at the gradient of adjusting the upper end seat.

Description

Self-adaptive gradient adjustment safety wheelchair

Technical Field

The utility model relates to a wheelchair technical field specifically is self-adaptation slope adjustment safety type wheelchair.

Background

The wheelchair is taken as a travel tool, can provide travel convenience for the old and the people with inconvenient legs and feet, but the road surface state is generally not a single plane, and there are slopes in many places, such as the slope can be found around road and house, when the vehicle runs in the place of going up and down slopes, people and the wheelchair can easily lean forward or lean backward, the comfort that the people take is influenced, on the other hand, very large potential safety hazards exist, and the potential safety hazards are particularly obvious for the old. In the aspect of the inclination at the uphill, downhill and lateral positions, the wheelchair has the defects of high running speed, high turning speed and high braking speed, and can easily cause serious accidents such as side turning, forward turning, backward turning and the like. Due to factors such as the power of a motor of the wheelchair, the designed maximum safe inclination angle of the structural chassis and the like, when the maximum safe angle is exceeded, the wheelchair is easy to turn over and the motor is easy to damage, and further serious safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the not enough of prior art, the utility model provides a self-adaptation slope is adjusted safe type wheelchair has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: self-adaptation slope regulation safety type wheelchair, including walking wheel, leading wheel, rotation seat, braced frame, hydraulic stretching leg, shock attenuation pole, shock attenuation board, the axle center department of walking wheel rotates and is connected with the main shaft, the both ends of main shaft all are provided with the linkage segment, the inside of rotating the seat is rotated through the bearing and is connected the upper end at the linkage segment, the one end fixedly connected with braced frame of rotating the seat, the hydraulic stretching leg sets up the one end at braced frame, the one end of hydraulic stretching leg is rotated and is connected with the leading wheel, the back fixed connection of shock attenuation board is in the upper end of rotating the seat, the one end fixed connection of shock attenuation pole is in one side of braced frame, the other end fixed connection of shock attenuation pole is at the back of shock attenuation board, the upper end fixedly connected with spring holder of shock attenuation.

Optionally, the number of the walking wheels and the rotating base is two, and the two walking wheels are rotatably connected to two ends of the main shaft.

Optionally, the surface of the main shaft is fixedly connected with a blocking block, and the connecting section is arranged between the blocking block and the connecting section.

Optionally, the guide wheels are divided into a front group and a rear group, and the two groups of guide wheels are respectively located on two sides of the main shaft and are respectively forked towards the two sides.

Optionally, the number of the shock-absorbing rods is two, and the two shock-absorbing rods are respectively and fixedly connected to the front end and the rear end of the shock-absorbing plate.

Optionally, the side of the damping plate is fixedly connected with a stay bar, and the stay bar is arranged at the lower side of the seat.

(III) advantageous effects

The utility model provides a self-adaptation slope adjustment safety type wheelchair possesses following beneficial effect:

1. this safe type wheelchair is adjusted to self-adaptation slope, cooperation through leading wheel and the flexible leg of hydraulic pressure sets up, utilize the flexible leg of hydraulic pressure can adjust the depth of two sets of leading wheels around when using, thereby make braced frame carry out the wrench movement along the main shaft through rotating the seat, whole braced frame's wrench movement has driven the slope of shock attenuation board, thereby reached the purpose at the gradient of adjusting the upper end seat, the effect of automatic adaptation road surface slope has been realized, make the seat of this safe type wheelchair is adjusted to self-adaptation slope remain the level throughout when using.

2. This safe type wheelchair is adjusted to self-adaptation slope, through the cooperation setting of shock attenuation pole, shock attenuation board, spring holder, when using, multistage damping is transferred and is cushioned the shock attenuation to this safe type wheelchair for the user takes and makes more comfortable, also makes the user when the wrench movement is carried out to the control seat simultaneously, and the conduction of effort is more smooth, thereby improves the security performance that this safe type wheelchair is adjusted to self-adaptation slope.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a schematic structural view of the travelling wheel of the utility model;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic structural view of the spindle of the present invention;

fig. 5 is a schematic structural view of the stay bar of the present invention;

fig. 6 is a schematic structural view of the damping plate and the rotating base of the present invention.

In the figure: 1. a traveling wheel; 2. a guide wheel; 3. a rotating seat; 4. a support frame; 5. a hydraulic telescopic leg; 6. a shock-absorbing lever; 7. a damper plate; 8. a main shaft; 801. a connecting section; 9. a spring seat; 10. a seat; 12. A stay bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 6, the present invention provides a technical solution: the self-adaptive gradient adjustment safety wheelchair comprises walking wheels 1, guide wheels 2, a rotating seat 3, a supporting frame 4, hydraulic telescopic legs 5, a shock absorption rod 6 and a shock absorption plate 7, wherein the number of the walking wheels 1 and the rotating seat 3 is two, the two walking wheels 1 are divided into two parts which are rotatably connected with two ends of a main shaft 8, the axis of the walking wheels 1 is rotatably connected with the main shaft 8, two ends of the main shaft 8 are respectively provided with a connecting section 801, the surface of the main shaft 8 is fixedly connected with a blocking block, the connecting section 801 is arranged between the blocking block and the connecting section 801, the inside of the rotating seat 3 is rotatably connected with the upper end of the connecting section 801 through a bearing, one end of the rotating seat 3 is fixedly connected with the supporting frame 4, the hydraulic telescopic legs 5 are arranged at one end of the supporting frame 4, one end of the hydraulic telescopic legs 5 is rotatably connected with the guide wheels 2, the guide, the self-adaptive gradient-adjusting safety wheelchair is characterized in that the self-adaptive gradient-adjusting safety wheelchair is respectively forked towards two sides, the back of a damping plate 7 is fixedly connected to the upper end of a rotating seat 3, one end of a damping rod 6 is fixedly connected to one side of a supporting frame 4, the other end of the damping rod 6 is fixedly connected to the back of the damping plate 7, the number of the damping rods 6 is two, the two damping rods 6 are respectively fixedly connected to the front end and the rear end of the damping plate 7, a spring seat 9 is fixedly connected to the upper end of the damping plate 7, the damping rods 6, the damping plate 7 and the spring seat 9 are matched, when the self-adaptive gradient-adjusting safety wheelchair is used, the safety wheelchair is buffered and damped by multi-level damping adjustment, a user can sit more comfortably, meanwhile, when the user controls the seat 10 to twist, the conduction of acting force is smoother, so that the safety performance of the self-adaptive gradient, upper end fixedly connected with seat 10 of spring holder 9, cooperation through leading wheel 2 and hydraulic telescoping leg 5 sets up, utilize hydraulic telescoping leg 5 can adjust the depth of two sets of leading wheels 2 around when using, thereby make braced frame carry out the wrench movement along main shaft 8 through rotating seat 3, the wrench movement of whole braced frame 4 has driven the slope of damper plate 7, thereby reached the purpose of adjusting the gradient of upper end seat 10, the effect of the automatic adaptation road surface slope has been realized, make the seat 10 of this self-adaptation slope regulation safety type wheelchair remain the level throughout when using.

When the wheelchair is used, the rotating seat 3 is additionally arranged at the upper end of the main shaft 8, the two rotating seats 3 are positioned at the two ends of the main shaft 8, the upper end of the main shaft is connected with the damping plate 7, the damping plate 7 can be twisted back and forth along the main shaft 8, the damping plate 7 can be bent and matched with the damping rods 6 positioned at the two ends to better realize the inclined twisting process, the supporting frame 4 is positioned at the lower side of the rotating seat 3, the hydraulic telescopic legs 5 are arranged at the four corners of the supporting frame 4, so that the depth of the four guide wheels 2 can be adjusted, when the wheelchair meets a slope, a driver of the wheelchair only needs to apply force back and forth through the damping plate 7 at the back of the seat 10 to complete forward or backward extrusion, then the acting force is transmitted to the inside of the hydraulic telescopic legs 5 through the supporting frame 4, the hydraulic telescopic legs 5 enable the guide wheels 2 at the front end or the rear end to adjust the depth, so, the purpose of guaranteeing that the seat is always horizontal in the range of the shock absorption seat is achieved, in addition, the comfort level of the seat 10 can be guaranteed through the arrangement of the shock absorption plate 7 and the row of spring seats, and the comfort level of a user in use is improved.

In summary, the following steps: the self-adaptive gradient adjustment safety wheelchair utilizes the matching arrangement of the guide wheels 2 and the hydraulic telescopic legs 5, the depth of the front and the back groups of guide wheels 2 can be adjusted by utilizing the hydraulic telescopic legs 5 when the self-adaptive gradient adjustment safety wheelchair is used, so that the supporting frame can be twisted along the main shaft 8 through the rotating seat 3, the twisting of the whole supporting frame 4 drives the damping plate 7 to incline, thereby achieving the aim of adjusting the gradient of the upper end seat 10, realizing the effect of automatically adapting to the gradient of a road surface, ensuring that the seat 10 of the self-adaptive gradient adjustment safety wheelchair is always kept horizontal when the self-adaptive gradient adjustment safety wheelchair is used, and through the matching arrangement of the damping rod 6, the damping plate 7 and the spring seat 9, when the self-adaptive gradient adjustment safety wheelchair is used, the multi-level damping adjustment is used for buffering and damping the safety wheelchair, so that a user can sit more comfortably, and simultaneously, the conduction of, thereby improving the safety performance of the self-adaptive gradient adjustment safety wheelchair.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Self-adaptation slope adjusts safe type wheelchair, including walking wheel (1), leading wheel (2), rotation seat (3), braced frame (4), hydraulic stretching leg (5), shock attenuation pole (6) and shock attenuation board (7), its characterized in that: the axle center of the travelling wheel (1) is rotationally connected with a main shaft (8), both ends of the main shaft (8) are provided with connecting sections (801), the interior of the rotating seat (3) is rotatably connected with the upper end of the connecting section (801) through a bearing, one end of the rotating seat (3) is fixedly connected with a supporting frame (4), the hydraulic telescopic leg (5) is arranged at one end of the supporting frame (4), one end of the hydraulic telescopic leg (5) is rotatably connected with a guide wheel (2), the back of the shock absorption plate (7) is fixedly connected with the upper end of the rotating seat (3), one end of the shock absorption rod (6) is fixedly connected with one side of the supporting frame (4), the other end of the shock absorption rod (6) is fixedly connected with the back of the shock absorption plate (7), the upper end of the damping plate (7) is fixedly connected with a spring seat (9), and the upper end of the spring seat (9) is fixedly connected with a seat (10).

2. The adaptive slope adjustment safety wheelchair as claimed in claim 1, wherein: the number of the walking wheels (1) and the number of the rotating seats (3) are two, and the walking wheels (1) are connected to two ends of the main shaft (8) in a rotating mode.

3. The adaptive slope adjustment safety wheelchair as claimed in claim 1, wherein: the surface of the main shaft (8) is fixedly connected with a blocking block, and the connecting section (801) is arranged between the blocking block and the connecting section (801).

4. The adaptive slope adjustment safety wheelchair as claimed in claim 1, wherein: the guide wheels (2) are divided into a front group and a rear group, and the two groups of guide wheels (2) are respectively positioned on two sides of the main shaft (8) and are respectively forked to the two sides.

5. The adaptive slope adjustment safety wheelchair as claimed in claim 1, wherein: the number of the shock absorption rods (6) is two, and the two shock absorption rods (6) are respectively and fixedly connected to the front end and the rear end of the shock absorption plate (7).

6. The adaptive slope adjustment safety wheelchair as claimed in claim 1, wherein: the side surface of the damping plate (7) is fixedly connected with a support rod (12), and the support rod (12) is arranged on the lower side of the seat (10).