CN211409777U

CN211409777U - Nursing wheelchair

Info

Publication number: CN211409777U
Application number: CN202020043645.4U
Authority: CN
Inventors: 张丽丽; 徐兴艳; 付娜; 李萍
Original assignee: Third People's Hospital Of Dongping County
Current assignee: Third People's Hospital Of Dongping County
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-09-04
Anticipated expiration: 2030-01-09

Abstract

The utility model relates to a nursing field especially relates to a nursing wheelchair, including seat frame, back mechanism, gyro wheel mechanism, interlock mechanism and damper, seat frame include bedplate, handrail, pushing hands pole, curb plate, back shaft, back diaphragm and backplate axle, back mechanism include back plate, support swivel sleeve, worm wheel, adjusting button and worm, gyro wheel mechanism include stay tube, gyro wheel backup pad and gyro wheel, interlock mechanism include interlock axle, interlock board, interlock slider and interlock round pin, damper include fixed plate, dead lever, spring and limiting plate, the utility model discloses have shock-absorbing function, promoted user's security, travelling comfort and stationarity.

Description

Nursing wheelchair

Technical Field

The utility model relates to a nursing field especially relates to a nursing wheelchair.

Background

China is a large population country, the age structure of the population of China at present begins to gradually age, the disabled accounts for about 4% to 5%, the physical disabilities account for a large part, so that the demand on wheelchairs is large, users of wheelchairs are mainly distributed in vast rural areas and small and medium-sized towns, the areas are usually uneven in road surfaces, but most of the existing wheelchairs do not have a damping function, and the safety, the comfort and the stability of the users are reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a nursing wheelchair has shock-absorbing function, has promoted user's security, travelling comfort and stationarity.

The purpose of the utility model is realized through the following technical scheme:

a nursing wheelchair comprises a sitting and lying frame, two backrest mechanisms, two roller mechanisms, linkage mechanisms and a damping mechanism, wherein the backrest mechanism is connected to the rear end of the sitting and lying frame;

the seat lying frame comprises a seat board, handrails, a push handle rod, side boards, a support shaft, a rear transverse board and a back board shaft, wherein the handrails are fixedly connected to the left end and the right end of the seat board, the push handle rod is fixedly connected to the left side and the right side of the rear end of the seat board, the side boards are fixedly connected to the left side and the right side of the lower end surface of the seat board, the support shaft is fixedly connected to the front end and the rear end between the two side boards, the rear transverse board is fixedly connected to the rear ends of the two side boards, and;

the backrest mechanism comprises a backrest plate, a supporting rotating sleeve, a worm wheel, an adjusting button and a worm, wherein the backrest plate is fixedly connected onto the supporting rotating sleeve, the worm wheel is arranged in the middle of the supporting rotating sleeve, the supporting rotating sleeve is rotatably connected onto a backrest plate shaft, the worm is rotatably connected onto a rear transverse plate, the worm wheel and the worm are in meshing transmission connection, and the adjusting button is fixedly connected to the rear end of the worm;

the roller mechanism comprises two supporting tubes, two roller supporting plates and two rollers, wherein the two ends of each supporting tube are fixedly connected with the roller supporting plates, the lower ends of the two roller supporting plates are rotatably connected with the rollers, and the two supporting tubes are respectively and rotatably connected to the supporting shaft;

the linkage mechanism comprises two linkage plates, two linkage slide blocks and two linkage pins, wherein the two linkage plates are fixedly connected to the linkage shafts;

the damping mechanism comprises a fixed plate, fixed rods, springs and a limiting plate, wherein the fixed plate is fixedly connected to the lower end face of the seat plate, the lower end face of the fixed plate is fixedly connected with the two fixed rods, the limiting plate is fixedly connected to the lower ends of the two fixed rods, the springs are sleeved on the two fixed rods, the two linkage sliders are respectively connected to the two fixed rods in a sliding mode, and the two springs are located between the linkage sliders and the limiting plate.

The utility model has the advantages that: the utility model provides a nursing wheelchair, user sit on the seat frame of crouching, and when road irregularity at ordinary times, gyro wheel mechanism uses the back shaft to rotate as the axle, drives interlock mechanism simultaneously to through interlock slider extrusion spring, through spring force, reduce the impact force of jolting, make the device steadily remove on unevenness's road, alleviate vibrations, when user need lie and lean on, can adjust back plate inclination through worm wheel and worm, reinforcing user comfort level.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a first structural diagram of the seat and sleeping frame of the present invention;

fig. 4 is a schematic structural view of a sitting and lying frame of the present invention;

fig. 5 is a schematic structural view of the backrest mechanism of the present invention;

FIG. 6 is a schematic structural view of the roller mechanism of the present invention;

fig. 7 is a schematic structural view of the linkage mechanism of the present invention;

fig. 8 is a schematic structural view of the damping mechanism of the present invention.

In the figure: a sitting and lying frame 1; a seat plate 1-1; 1-2 of handrails; 1-3 of a handle pushing rod; 1-4 of a side plate; 1-5 parts of a support shaft; rear transverse plates 1-6; 1-7 of a backboard shaft; a backrest mechanism 2; a backrest plate 2-1; 2-2 of a supporting rotating sleeve; 2-3 of worm wheel; 2-4 of an adjusting button; 2-5 parts of worm; a roller mechanism 3; a support tube 3-1; a roller supporting plate 3-2; 3-3 of rollers; a linkage mechanism 4; a coupling shaft 4-1; a linkage plate 4-2; 4-3 of a linkage sliding block; 4-4 of a linkage pin; a damper mechanism 5; a fixing plate 5-1; 5-2 of a fixed rod; 5-3 of a spring; and 5-4 limiting plates.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1-8.

The first embodiment is as follows:

as shown in fig. 1-8, a nursing wheelchair comprises a sitting and lying frame 1, two backrest mechanisms 2, two roller mechanisms 3, two linkage mechanisms 4 and a damping mechanism 5, wherein the backrest mechanism 2 is connected to the rear end of the sitting and lying frame 1, the two roller mechanisms 3 are respectively and rotatably connected to the front end and the rear end of the lower part of the sitting and lying frame 1, the two linkage mechanisms 4 are respectively and rotatably connected to the upper ends of the two roller mechanisms 3, the damping mechanism 5 is fixedly connected to the lower end of the sitting and lying frame 1, and both the two linkage mechanisms 4 are slidably connected with the damping mechanism 5;

when the device is used, a user sits on the sitting and lying frame 1, a nursing staff pushes the device through the hand pushing rod 1-3, the device moves through the four rollers 3-3, when the road is uneven, the roller mechanism 3 rotates by taking the supporting shaft 1-5 as an axis, meanwhile, the linkage mechanism 4 is driven, the linkage slider 4-3 extrudes the spring 5-3, the bumping impact force is reduced through the elasticity of the spring 5-3, the device stably moves on the uneven road, the vibration is reduced, when the user needs to lie and lean against, the inclination angle of the backrest plate 2-1 can be adjusted through the worm wheel 2-3 and the worm 2-5, and the comfort degree of the user is enhanced.

The second embodiment is as follows:

as shown in fig. 1-8, the seat frame 1 comprises a seat plate 1-1, armrests 1-2, hand-pushing rods 1-3, side plates 1-4, support shafts 1-5, rear transverse plates 1-6 and back plate shafts 1-7, wherein the left and right ends of the seat plate 1-1 are fixedly connected with the armrests 1-2, the left and right sides of the rear end of the seat plate 1-1 are fixedly connected with the hand-pushing rods 1-3, the left and right sides of the lower end surface of the seat plate 1-1 are fixedly connected with the side plates 1-4, the front and rear ends between the two side plates 1-4 are fixedly connected with the support shafts 1-5, the rear transverse plates 1-6 are fixedly connected with the rear ends of the two side plates 1-4, and the back plate shafts 1-7 are fixedly connected with the rear parts of the;

the seat plate 1-1 is used for seating, the push handle rod 1-3 is used for a nursing staff pushing device, the supporting shaft 1-5 is used for installing the roller mechanism 3, and the rear transverse plate 1-6 and the back plate shaft 1-7 are used for installing the backrest mechanism 2.

The third concrete implementation mode:

as shown in fig. 1-8, the backrest mechanism 2 comprises a backrest plate 2-1, a supporting rotary sleeve 2-2, a worm wheel 2-3, an adjusting button 2-4 and a worm 2-5, the backrest plate 2-1 is fixedly connected to the supporting rotary sleeve 2-2, the worm wheel 2-3 is arranged in the middle of the supporting rotary sleeve 2-2, the supporting rotary sleeve 2-2 is rotatably connected to a backrest plate shaft 1-7, the worm 2-5 is rotatably connected to a rear transverse plate 1-6, the worm wheel 2-3 is in meshing transmission connection with the worm 2-5, and the adjusting button 2-4 is fixedly connected to the rear end of the worm 2-5;

the back plate 2-1 rotates on the back plate shaft 1-7 through the supporting rotating sleeve 2-2, when the angle of the back plate 2-1 needs to be adjusted, the adjusting button 2-4 is rotated to drive the worm 2-5 to drive the worm wheel 2-3, so that the back plate 2-1 is driven to rotate, and the angle of the back plate 2-1 is locked through the self-locking function between the worm 2-5 and the worm wheel 2-3.

The fourth concrete implementation mode:

as shown in fig. 1-8, the roller mechanism 3 includes support tubes 3-1, roller support plates 3-2 and rollers 3-3, the roller support plates 3-2 are fixedly connected to both ends of the support tube 3-1, the rollers 3-3 are rotatably connected to the lower ends of the two roller support plates 3-2, the two roller mechanisms 3 are provided, and the two support tubes 3-1 are respectively rotatably connected to the support shafts 1-5;

the fifth concrete implementation mode:

as shown in fig. 1-8, the linkage mechanism 4 includes a linkage shaft 4-1, a linkage plate 4-2, a linkage slider 4-3 and a linkage pin 4-4, the linkage shaft 4-1 is fixedly connected with two linkage plates 4-2, two ends of the linkage slider 4-3 are both fixedly connected with the linkage pin 4-4, the two linkage pins 4-4 are respectively and rotatably connected to the linkage plate 4-2, the linkage mechanism 4 is provided with two linkage shafts 4-1, and the two linkage shafts 4-1 are both rotatably connected to the upper ends of the two roller support plates 3-2 located at the same side;

the sixth specific implementation mode:

as shown in fig. 1-8, the damping mechanism 5 includes a fixing plate 5-1, fixing rods 5-2, a spring 5-3 and a limiting plate 5-4, the fixing plate 5-1 is fixedly connected to the lower end surface of the seat plate 1-1, the lower end surface of the fixing plate 5-1 is fixedly connected with two fixing rods 5-2, the lower ends of the two fixing rods 5-2 are both fixedly connected with the limiting plate 5-4, the two fixing rods 5-2 are sleeved with the spring 5-3, the two interlocking sliders 4-3 are respectively connected to the two fixing rods 5-2 in a sliding manner, and the two springs 5-3 are both located between the interlocking sliders 4-3 and the limiting plate 5-4.

When the road is uneven, the roller 3-3 rotates through the supporting tube 3-1 by taking the supporting shaft 1-5 as an axis, meanwhile, the roller supporting plate 3-2 drives the linkage shaft 4-1, the linkage plate 4-2 pulls the linkage slide block 4-3 to slide on the fixed rod 5-2, and the spring 5-3 is extruded, so that bumping impact is buffered, vibration is reduced, and safety, comfort and stability of a user are improved.

The utility model relates to a nursing wheelchair, its theory of use does: when the device is used, a user sits on the sitting and lying frame 1, a nursing staff pushes the device through the hand pushing rod 1-3, the device moves through the four rollers 3-3, when the road is uneven, the roller mechanism 3 rotates by taking the supporting shaft 1-5 as an axis, meanwhile, the linkage mechanism 4 is driven, the linkage slider 4-3 extrudes the spring 5-3, the bumping impact force is reduced through the elasticity of the spring 5-3, the device stably moves on the uneven road, the vibration is reduced, when the user needs to lie and lean against, the inclination angle of the backrest plate 2-1 can be adjusted through the worm wheel 2-3 and the worm 2-5, and the comfort degree of the user is enhanced. The seat plate 1-1 is used for seating, the push handle rod 1-3 is used for a nursing staff pushing device, the supporting shaft 1-5 is used for installing the roller mechanism 3, and the rear transverse plate 1-6 and the back plate shaft 1-7 are used for installing the backrest mechanism 2. The back plate 2-1 rotates on the back plate shaft 1-7 through the supporting rotating sleeve 2-2, when the angle of the back plate 2-1 needs to be adjusted, the adjusting button 2-4 is rotated to drive the worm 2-5 to drive the worm wheel 2-3, so that the back plate 2-1 is driven to rotate, and the angle of the back plate 2-1 is locked through the self-locking function between the worm 2-5 and the worm wheel 2-3. When the road is uneven, the roller 3-3 rotates through the supporting tube 3-1 by taking the supporting shaft 1-5 as an axis, meanwhile, the roller supporting plate 3-2 drives the linkage shaft 4-1, the linkage plate 4-2 pulls the linkage slide block 4-3 to slide on the fixed rod 5-2, and the spring 5-3 is extruded, so that bumping impact is buffered, vibration is reduced, and safety, comfort and stability of a user are improved.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art can make variations within the scope of the present invention; modifying; addition or replacement also belong to the protection scope of the utility model.

Claims

1. The utility model provides a nursing wheelchair, includes frame (1), back mechanism (2), roller mechanism (3), interlock mechanism (4) and damper (5) crouch at the seat, its characterized in that: the backrest mechanism (2) is connected at the rear end of the seat-lying frame (1), the number of the roller mechanisms (3) is two, the two roller mechanisms (3) are respectively connected at the front end and the rear end of the lower portion of the seat-lying frame (1) in a rotating mode, the number of the linkage mechanisms (4) is two, the two linkage mechanisms (4) are respectively connected at the upper ends of the two roller mechanisms (3) in a rotating mode, the damping mechanism (5) is fixedly connected at the lower end of the seat-lying frame (1), and the two linkage mechanisms (4) are both connected with the damping mechanism (5) in a sliding mode.

2. A nursing wheelchair as claimed in claim 1, wherein: the sitting and lying frame (1) comprises a seat board (1-1), armrests (1-2), a pushing handle rod (1-3), side plates (1-4), a supporting shaft (1-5), a rear transverse plate (1-6) and a back plate shaft (1-7), the left end and the right end of the seat board (1-1) are fixedly connected with handrails (1-2), the left side and the right side of the rear end of the seat board (1-1) are fixedly connected with push handle rods (1-3), the left side and the right side of the lower end face of the seat board (1-1) are fixedly connected with side boards (1-4), a supporting shaft (1-5) is fixedly connected with the front end and the rear end between the two side boards (1-4), a rear transverse plate (1-6) is fixedly connected with the rear ends of the two side boards (1-4), and a back board shaft (1-7) is fixedly connected with the rear portions of the two side boards (1-4.

3. A nursing wheelchair as claimed in claim 2, wherein: the backrest mechanism (2) comprises a backrest plate (2-1), a supporting rotating sleeve (2-2), a worm wheel (2-3), an adjusting button (2-4) and a worm (2-5), the backrest plate (2-1) is fixedly connected to the supporting rotating sleeve (2-2), the worm wheel (2-3) is arranged in the middle of the supporting rotating sleeve (2-2), the supporting rotating sleeve (2-2) is rotatably connected to a backrest plate shaft (1-7), the worm (2-5) is rotatably connected to a rear transverse plate (1-6), the worm wheel (2-3) is in meshing transmission connection with the worm (2-5), and the adjusting button (2-4) is fixedly connected to the rear end of the worm (2-5).

4. A nursing wheelchair as claimed in claim 3, wherein: the roller mechanism (3) comprises support pipes (3-1), roller support plates (3-2) and rollers (3-3), the roller support plates (3-2) are fixedly connected to the two ends of the support pipes (3-1), the rollers (3-3) are rotatably connected to the lower ends of the two roller support plates (3-2), the two roller mechanisms (3) are arranged, and the two support pipes (3-1) are rotatably connected to the support shafts (1-5) respectively.

5. A nursing wheelchair as claimed in claim 4, wherein: the linkage mechanism (4) comprises a linkage shaft (4-1), linkage plates (4-2), linkage sliders (4-3) and linkage pins (4-4), wherein the linkage shaft (4-1) is fixedly connected with the two linkage plates (4-2), the two ends of each linkage slider (4-3) are fixedly connected with the linkage pins (4-4), the two linkage pins (4-4) are respectively and rotatably connected to the linkage plates (4-2), the linkage mechanism (4) is provided with two linkage mechanisms, and the two linkage shafts (4-1) are respectively and rotatably connected to the upper ends of the two roller supporting plates (3-2) positioned on the same side.

6. A nursing wheelchair as claimed in claim 5, wherein: the damping mechanism (5) comprises a fixing plate (5-1), fixing rods (5-2), springs (5-3) and limiting plates (5-4), the fixing plate (5-1) is fixedly connected to the lower end face of the seat plate (1-1), the lower end face of the fixing plate (5-1) is fixedly connected with the two fixing rods (5-2), the lower ends of the two fixing rods (5-2) are fixedly connected with the limiting plates (5-4), the springs (5-3) are sleeved on the two fixing rods (5-2), the two linkage sliding blocks (4-3) are respectively connected to the two fixing rods (5-2) in a sliding mode, and the two springs (5-3) are located between the linkage sliding blocks (4-3) and the limiting plates (5-4).