CN213346394U

CN213346394U - Wheelchair with shock-absorbing function

Info

Publication number: CN213346394U
Application number: CN202021949540.1U
Authority: CN
Inventors: 刘盛莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-06-04
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a wheelchair with shock absorption function, which comprises a wheelchair bracket, wherein a wheelchair cushion is arranged on the upper side of the wheelchair bracket; the rear side of the wheelchair bracket is rotationally connected with a wheelchair backrest, two sides of the wheelchair backrest are rotationally connected with wheelchair armrests, and a group of wheelchair armrests are provided with control buttons; four groups of damping springs are vertically arranged at four corners of the bottom side of the wheelchair support, the lower ends of the four groups of damping springs are connected with a supporting plate, and damping guide pillars are further arranged between the supporting plate and the wheelchair support. The utility model discloses a set up damping spring and shock attenuation guide pillar and make the wheelchair have shock-absorbing function, simple structure, simultaneously the utility model discloses a damping spring sets up in independent backup pad, when performance shock attenuation was used, the wheelchair cushion is whole vertical removal from top to bottom, can not appear the wheelchair cushion askew, therefore the shock attenuation effect is better more steady.

Description

Wheelchair with shock-absorbing function

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a wheelchair with shock-absorbing function.

Background

This section merely provides background information related to the present application so as to enable those skilled in the art to more fully and accurately understand the present application, which is not necessarily prior art.

The wheelchair is an important tool for medical nursing and rehabilitation, and generally, a person with limb injury or a person with mobility difficulty needs to use the wheelchair to replace walking.

With the improvement of the technological level, people have higher and higher requirements on wheelchairs, such as wheelchairs with shock absorption functions.

For example, chinese patent application 201621146738.X relates to an electric wheelchair with good shock absorption effect, comprising a frame, a battery rack disposed below the frame, a battery fixed on the battery rack, two driving motors, a seat rack disposed above the frame, a backrest, a rear driving wheel, a front guide wheel, a foot rest, and an anti-tip wheel, wherein the two driving motors are respectively in transmission connection with the left and right rear driving wheels, the driving motors are fixedly connected with both sides of the battery through a first motor fixing rod, and the driving motors are also fixedly connected with the battery rack; two sides of the front end of the seat frame are respectively provided with a set of foot supports, and the rear end of the seat frame is hinged with the lower end of the backrest; a cushion is arranged above the seat frame; the two sides in front of the frame are connected with a front fork through bearing seats, the lower end of the front fork is provided with a front guide wheel, and the front fork is provided with a front damping device; the center of the rear end of the frame is provided with an elastic buffer rod bent downwards, the lower end of the elastic buffer rod is provided with a first connector, and the first connector is fixedly connected with the battery frame through a connecting sleeve; and two sides of the rear end of the battery frame are respectively provided with an anti-tilting wheel. This technical scheme's shock-absorbing structure is complicated, is unfavorable for production, and the shock-absorbing structure through this technical scheme sets up on the rear side wheel, and this kind of shock-absorbing structure is not enough to the shock attenuation effect of seat frame, consequently needs to solve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a simple structure, effectual wheelchair that has shock-absorbing function of shock attenuation, the utility model discloses a set up damping spring and shock attenuation guide pillar and make the wheelchair have shock-absorbing function, simple structure, the wheelchair cushion askew can not appear, and the shock attenuation effect is better more steady.

The utility model discloses a following technical scheme realizes: a wheelchair with a shock absorption function comprises a wheelchair bracket, wherein a wheelchair cushion is arranged on the upper side of the wheelchair bracket; the rear side of the wheelchair bracket is rotationally connected with a wheelchair backrest, two sides of the wheelchair backrest are rotationally connected with wheelchair armrests, and a group of wheelchair armrests are provided with control buttons; four groups of damping springs are vertically arranged at four corners of the bottom side of the wheelchair support, the lower ends of the four groups of damping springs are connected with a supporting plate, and a damping guide pillar is arranged between the supporting plate and the wheelchair support; four groups of support columns are vertically arranged at four corners of the bottom side of the support plate, the lower ends of the four groups of support columns are connected with a wheelchair foot rest, two driving wheels are arranged at the rear side of the wheelchair foot rest, two direction wheels are arranged at the front side of the wheelchair foot rest, and a pedal plate is connected to the upper side of the wheelchair foot rest in front of the wheelchair cushion in a sliding manner. The wheelchair comprises a wheelchair support and is characterized in that a mounting plate is arranged on a wheelchair foot rest below the wheelchair support, a centralized control box is arranged on the mounting plate, a power supply device, a first driving motor and a second driving motor are arranged in the centralized control box, the first driving motor and the second driving motor are respectively connected with one of driving wheels through a transmission mechanism, and a control button, the first driving motor and the second driving motor are respectively electrically connected with the power supply device.

In one embodiment, the shock absorbing guide post is located at a middle position of the support plate.

In one embodiment, the centralized control box is also internally provided with a positioning device, a data processing unit and wireless data transmission, and the positioning device, the data processing unit and the wireless data transmission are respectively electrically connected with the power supply device.

In one embodiment, the two sets of drive wheels are arranged in an inclined splayed configuration.

In one embodiment, a suspension telescopic rod is further arranged on one side of the wheelchair backrest above one group of wheelchair armrests, and a hook is arranged at the free end of the suspension telescopic rod.

In one embodiment, the rear side of the wheelchair back is provided with a wheelchair handle.

In one embodiment, the power supply device is a rechargeable battery.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a set up damping spring and shock attenuation guide pillar and make the wheelchair have shock-absorbing function, simple structure, simultaneously the utility model discloses a damping spring sets up in independent backup pad, when performance shock attenuation was used, the wheelchair cushion is whole vertical removal from top to bottom, can not appear the wheelchair cushion askew, therefore the shock attenuation effect is better more steady.

2. The wheelchair positioning device is used for positioning the wheelchair, so that the position of a patient can be known at any time, a hospital or other people can monitor the patient using the wheelchair conveniently, the use safety of the wheelchair is improved, and the safety of the patient is effectively guaranteed.

Drawings

Fig. 1 is a schematic structural view of a wheelchair having a shock-absorbing function.

The reference symbols in the figures represent the following meanings: a wheelchair frame 1; a wheelchair cushion 2; a wheelchair backrest 6; a wheelchair armrest 7; a control button 8; a damper spring 9; a wheelchair footrest 10; a drive wheel 11; a steering wheel 12; a foot board 13; a mounting plate 14; a centralized control box 15; a support plate 16; hanging an expansion link 17; a hook 18; a wheelchair handle 19; a shock absorbing guide post 20; and a support column 21.

Detailed Description

To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As shown in figure 1, the wheelchair with the shock absorption function comprises a wheelchair bracket 1, wherein a wheelchair cushion 2 is arranged on the upper side of the wheelchair bracket 1; the rear side of the wheelchair support 1 is rotatably connected with a wheelchair backrest 6, two sides of the wheelchair backrest 6 are rotatably connected with wheelchair armrests 7, and a group of wheelchair armrests 7 are provided with control buttons 8; four groups of damping springs 9 are vertically arranged at four corners of the bottom side of the wheelchair support 1, the lower ends of the four groups of damping springs 9 are connected with a support plate 16, and a damping guide pillar 20 is arranged between the support plate 16 and the wheelchair support 1; four groups of support columns 21 are vertically arranged at four corners of the bottom side of the support plate 16, the lower ends of the four groups of support columns 21 are connected with a wheelchair foot rest 10, two driving wheels 11 are arranged at the rear side of the wheelchair foot rest 10, two direction wheels 12 are arranged at the front side of the wheelchair foot rest 10, and a pedal 13 is connected with the front side of the wheelchair cushion 2 at the upper side of the wheelchair foot rest 10 in a sliding manner. The lower part of the wheelchair support 1 is provided with a mounting plate 14 on the wheelchair foot rest 10, the mounting plate 14 is provided with a centralized control box 15, a power supply device, a first driving motor and a second driving motor are arranged in the centralized control box 15, the first driving motor and the second driving motor are respectively connected with one of the driving wheels 11 through a transmission mechanism, and the control button 8, the first driving motor and the second driving motor are respectively electrically connected with the power supply device.

Wherein, the back is reliable on wheelchair back 6 when the wheelchair back 6 that sets up is used for patient to sit on the wheelchair, 6 accessible rotation angle of adjustment of wheelchair back, make patient can set up the angle of wheelchair back 6 according to the user demand, thereby let patient's back can more comfortable lean on wheelchair back 6, improve patient's use impression when making things convenient for patient to use, in an embodiment, wheelchair back 6 and wheelchair support 1 are connected for articulated structure, and fasten through the bolt, wheelchair back 6 is 90 degrees around the biggest rotation range of wheelchair support 1.

The two tail ends of the damping spring 9 are respectively connected with the wheelchair support 1 and the supporting plate 16, so that the distance between the wheelchair support 1 and the supporting plate 16 is adjusted through the deformation and the deformation recovery of the damping spring 9 to realize the damping function of the wheelchair, and further, the damping guide pillar 20 is arranged to ensure that the wheelchair support 1 cannot be inclined, so that the damping structure is simple, and the wheelchair is safe and reliable.

Of course, a coating structure (not shown in the figure) is arranged outside the damping spring 9, so that the damping spring 9 is hidden, unsafe use factors such as clamping a user or clamping clothes during use due to the fact that the damping spring 9 is exposed are avoided, and use safety is improved.

Wherein, the support columns 21 are arranged to form a three-dimensional space for conveniently installing the centralized control box 15.

In one embodiment, the pedal 13 is connected with the wheelchair foot rest 10 through a guide rail structure, so that the pedal 13 can move by sliding, and therefore, the patient can set the position of the pedal 13 on the wheelchair foot rest 10 according to the use requirement, so that the leg of the patient can be more comfortably placed on the pedal 13, for example, when the leg of the patient is long, the pedal 13 can be moved away from the supporting column 21, and when the leg of the patient is short, the pedal 13 can be moved close to the supporting column 21, so that the leg of the patient can be placed on the pedal 13 in an unfolding manner by moving the pedal 13, and the use is comfortable.

Wherein, in order to make the patient can move about automatically through the wheelchair without self or caregiver promotion, the control button 8 is arranged on the wheelchair armrest 7, the control button 8 can be arranged on the left side or right side of the wheelchair armrest 7, in order to facilitate the patient operation, in one embodiment, the control button 8 is arranged on the right inner side of the wheelchair armrest 7, which is convenient for the patient to operate with the right hand and simultaneously avoids the patient from touching the control button 8 carelessly when the handle is put on the armrest, it should be further explained that the support pillar 21, the support plate 16, the shock absorption guide pillar 20, the wheelchair backrest 6 and the wheelchair armrest 7 are internally provided with wiring channels, and the control button 8 is electrically connected with the power supply device in the centralized control box 15 through the wiring channels. The transmission mechanism comprises gear shafts and chains, the first driving motor, the second driving motor and each driving wheel 11 are provided with the gear shafts, the first driving motor is in linkage connection with one driving wheel 11 through the chains, and the second driving motor is in linkage connection with the other driving wheel 11; during the use, patient only need can drive two drive wheels 11 through operation control button 8 control first driving motor and second driving motor and rotate and realize the removal of wheelchair, and wherein, first driving motor and second driving motor can drive alone or drive jointly, and the wheelchair can be followed rectilinear movement during common drive, then can make the wheelchair turn to along left and right directions during the individual drive, easy operation, convenient to use.

Therefore, the utility model discloses a set up damping spring 9 and shock attenuation guide pillar 20 and make the wheelchair have shock-absorbing function, simple structure, simultaneously the utility model discloses a damping spring 9 sets up in independent backup pad 16, when performance shock attenuation is used, the whole vertical removal from top to bottom of wheelchair cushion 2 can not appear that wheelchair cushion 2 inclines, therefore the shock attenuation effect is better more steady.

Wherein, the shock absorption guide post 20 is arranged at the middle position of the support plate 16, and the arrangement at the middle part can reduce the eccentric force of the up-and-down movement of the wheelchair support 1 during shock absorption, so that the shock absorption structure is more stable and reliable.

Furthermore, a positioning device, a data processing unit and wireless data transmission are further arranged in the centralized control box 15, and the positioning device, the data processing unit and the wireless data transmission are respectively electrically connected with the power supply device. The wheelchair positioning device is used for positioning the wheelchair, so that the position of a patient can be known at any time, a hospital or other people can monitor the patient using the wheelchair conveniently, the use safety of the wheelchair is improved, and the safety of the patient is effectively guaranteed.

Wherein, two sets of driving wheels 11 are arranged in an inclined manner and are splayed, so that the wheelchair can be conveniently steered, a patient can conveniently control the wheelchair to steer, and the movement is more convenient.

Wherein, one side of the wheelchair backrest 6 is also provided with a hanging telescopic rod 17 above one group of wheelchair armrests 7, and the free end of the hanging telescopic rod 17 is provided with a hook 18. The hook 18 is used for hanging an infusion bottle, so that the infusion bottle is convenient for a patient using the wheelchair to take a transfusion, and the hanging telescopic rod 17 is convenient for adjusting the height of the hook 18, so that the height of the infusion bottle can be adjusted.

Wherein, the rear side of the wheelchair backrest 6 is provided with a wheelchair handle 19, which is convenient for the carer to push the wheelchair.

Wherein, the power supply device is a rechargeable storage battery, so that the wheelchair battery can be repeatedly charged for use.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A wheelchair with shock absorption function, characterized in that,

A wheelchair bracket (1) is included, and a wheelchair cushion (2) is arranged on the upper side of the wheelchair bracket (1);

A wheelchair backrest (6) is rotatably connected to the rear side of the wheelchair support (1), and wheelchair armrests (7) are rotatably connected to both sides of the wheelchair backrest (6), wherein a group of the wheelchair armrests (7) are arranged on the wheelchair armrests (7). There are control buttons (8);

Four groups of shock-absorbing springs (9) are vertically arranged at the four corners of the bottom side of the wheelchair bracket (1), and the lower ends of the four groups of shock-absorbing springs (9) are connected with a support plate (16), and the support plate ( 16) A shock-absorbing guide column (20) is also arranged between the wheelchair bracket (1); four groups of support columns (21) are vertically arranged at the four corners of the bottom side of the support plate (16). A wheelchair foot frame (10) is connected to the lower end of the support column (21), two driving wheels (11) are arranged on the rear side of the wheelchair foot frame (10), and two driving wheels (11) are arranged on the front side of the wheelchair foot frame (10). There are two directional wheels (12), and a footrest (13) is slidably connected to the upper side of the wheelchair foot frame (10) in front of the wheelchair seat cushion (2);

A mounting plate (14) is arranged on the wheelchair leg (10) below the wheelchair bracket (1), and a centralized control box (15) is arranged on the mounting plate (14), and the centralized control box ( 15) A power supply device, a first drive motor and a second drive motor are provided inside, and the first drive motor and the second drive motor are respectively connected to one of the drive wheels (11) through a transmission mechanism, and the control The button (8), the first driving motor and the second driving motor are respectively electrically connected to the power supply device.

2 . The wheelchair with shock absorbing function according to claim 1 , wherein the shock absorbing guide column ( 20 ) is located in the middle of the support plate ( 16 ). 3 .

3. The wheelchair with shock absorption function according to claim 1, characterized in that, a positioning device, a data processing unit and a wireless data transmission are further provided in the centralized control box (15), the positioning device, the The data processing unit and the wireless data transmission are respectively electrically connected with the power supply device.

4 . The wheelchair with shock absorption function according to claim 1 , wherein the two groups of the driving wheels ( 11 ) are inclined and arranged in a figure-of-eight shape. 5 .

5. The wheelchair with shock absorption function according to claim 1, characterized in that a suspension telescopic rod ( 17), the free end of the suspension telescopic rod (17) is provided with a hook (18).

6. The wheelchair with shock absorption function according to claim 1, characterized in that a wheelchair handle (19) is provided on the rear side of the wheelchair back (6).

7 . The wheelchair with shock absorption function according to claim 1 , wherein the power supply device is a rechargeable battery. 8 .