CN212281925U - Multifunctional wheelchair with storage battery for assisting in walking and climbing stairs - Google Patents
Multifunctional wheelchair with storage battery for assisting in walking and climbing stairs Download PDFInfo
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- CN212281925U CN212281925U CN202020519153.8U CN202020519153U CN212281925U CN 212281925 U CN212281925 U CN 212281925U CN 202020519153 U CN202020519153 U CN 202020519153U CN 212281925 U CN212281925 U CN 212281925U
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- wheelchair
- climbing
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- seat
- wheel
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Abstract
The utility model belongs to the technical field of wheelchair equipment, especially, relate to a battery helping hand walking and multi-functional wheelchair of climbing stair, its characterized in that includes the wheelchair support, and the train structure, multi-functional seat, seat gesture guiding mechanism, the train structure include the road train and the climbing train between the road, and the road train includes the universal wheel at front end middle part, two rear wheels, main motor, battery, climbing train including preceding climbing train and back climbing train between the road. The utility model has simple structure, convenient debugging and good flexibility, the telescopic motor is an adjustable structure, the seat angle adjustment is realized through the gyroscope detection, and the balance and the seat horizontal control during upstairs and downstairs can be satisfied; the storage battery assisted walking is convenient to operate, the buttons on two sides of the seat can be controlled to realize the switching of walking functions of going upstairs and downstairs and walking between roads, the auxiliary effect of other people is not needed, the complete power is achieved, the storage battery assisted walking device can be suitable for assisted walking of weak groups of old people, shopping requirements and shopping and traveling of people who are inconvenient to walk, medical rehabilitation and the like.
Description
Technical Field
The utility model belongs to the technical field of wheelchair equipment, especially, relate to a battery helping hand walking and multi-functional wheelchair of climbing stair.
Background
Currently, wheelchairs having a stair climbing function are roughly classified into a lifting type wheelchair and a belt-type wheelchair. The lifting system mainly comprises two parts, such as wheel legs capable of freely extending and retracting and a power device for driving the wheel legs to move, wherein the wheelchair stair climbing device disclosed by the patent document with the application number of 200720032234X mainly comprises a rack, a lifting device and a driving device, wherein the lifting device adopts a two-stage lifting structure connected by a connecting rod, and the lifting device is used for lifting the wheelchair together with a user on the lifting device during working, placing the wheelchair on a stair at the upper stage and then circularly operating to achieve the purpose of transporting the wheelchair together with the user to the stair. The lifting device provides harsh use conditions for a user, the user needs to lift the whole wheelchair and the wheelchair by hand without a high-power energy storage component, the labor is very great, and the position of a lifting supporting point is not easy to master. Meanwhile, the lifting device is limited to a longitudinal long and narrow shape, the gravity center position of the lifting device is high in the operation process, and rollover accidents are easy to happen. The patent document with application number 201120313580.1 discloses a wheelchair capable of climbing stairs, which mainly comprises rotatable and liftable 'eta' shaped wheelchair legs and a driving device, and the purpose of ascending and descending stairs is achieved by utilizing the alternate rotation of the two legs for transposition and lifting. Although the structure of the scheme is simple, the problems of difficult operation and easy accident occurrence exist. The belt-type stair climbing system generally comprises a wheel-train crawler device and a driving part, such as a multifunctional stair climbing wheelchair disclosed in patent document with the application number of 201320060557.5, and although the belt-type stair climbing system has the advantages of stable operation, good safety performance, complex structure, poor flexibility and high manufacturing cost.
Disclosure of Invention
The utility model aims at providing a simple structure, the debugging is convenient, and the flexibility is good, can freely scramble the multi-functional wheelchair of battery helping hand walking and climbing stair of stair.
The purpose of the utility model is realized by the following technical scheme:
the utility model relates to a multifunctional wheelchair with a storage battery for assisting in walking and climbing stairs, which is characterized by comprising a wheelchair support, a wheel train structure arranged at the lower part of the wheelchair support, a multifunctional seat arranged at the upper part of the wheelchair support, and a seat posture adjusting mechanism arranged at the bottom of the multifunctional seat,
the multifunctional chair comprises a chair, chair armrests arranged at two sides of the chair, a shopping basket arranged at the rear side of the chair, two tail lamps arranged at two end parts of the rear side of the chair, a front lamp respectively arranged at the front end of each chair armrest, and a control system arranged on the chair armrests,
the wheel train structure comprises an inter-road wheel train and a climbing wheel train, the inter-road wheel train comprises universal wheels arranged in the middle of the front end of the wheelchair bracket through universal shafts, a rear wheel shaft rotationally connected with the rear side of the wheelchair bracket, two rear wheels respectively arranged at two ends of the rear wheel shaft, a main motor connected with the rear wheel shaft through a worm gear mechanism, and a storage battery connected with the main motor,
the climbing wheel train comprises a front climbing wheel train and a rear climbing wheel train, wherein the front climbing wheel train comprises triangular plates fixed at two ends of the front side of the wheelchair support, a front transmission chain wheel shaft with two ends penetrating through the two triangular plates and rotationally connected with the triangular plates, a front transmission chain wheel arranged on the front transmission chain wheel shaft, front transmission wheel systems with input shafts respectively connected with two ends of the front transmission chain wheel shaft, tripods fixedly connected with output shafts of each front transmission wheel train, pulleys respectively arranged on three feet of each tripod through rolling bearings, the rear climbing wheel train comprises rectangular plates fixed at two sides of the wheelchair support, rear transmission chain wheel shafts with two ends penetrating through the two rectangular plates and rotationally connected with the rectangular plates, a rear transmission chain wheel arranged on the rear transmission chain wheel shaft, and a rear transmission wheel train with an input shaft respectively connected with two ends of the rear transmission chain wheel shaft, the tripod is fixedly connected with the output shaft of each rear transmission gear train, pulleys which are respectively arranged on three feet of the tripod are arranged through rolling bearings, an auxiliary motor which is connected with the rear transmission chain wheel shaft through a worm gear mechanism, and a storage battery which is connected with the auxiliary motor, and the front transmission chain wheel is connected with the rear transmission chain wheel through a chain.
The seat posture adjusting mechanism comprises a telescopic motor fixed on the wheelchair support, and the output end of the telescopic motor is connected with the bottom of the seat through a hinge.
The inner sides of the two triangular plates are fixedly connected with foot pedals.
The front transmission gear train or the rear transmission gear train comprises three transmission gears which are meshed in sequence.
The main motor and the auxiliary motor are both arranged on a motor mounting frame, and the motor mounting frame is fixed on the wheelchair support and positioned below the seat.
The control system is connected with the main motor, the auxiliary motor, the front lamp and the tail lamp.
The utility model has the advantages that:
(1) the utility model discloses a multifunctional wheelchair for assisting in walking and climbing stairs, a telescopic motor base and a telescopic rod are respectively connected with a bracket and the bottom of a seat through hinges, so that the balance of the wheelchair during going upstairs and downstairs and the adjustment of the angle of the seat can be met;
(2) the utility model discloses a multifunctional wheelchair with battery-assisted walking and stair climbing, the front wheel of the wheelchair is controlled by a universal wheel, the back wheel is steered and braked by two wheel train structures, the pulley with rolling bearing on the triangle can ensure the stability and flexibility when going upstairs, and reduce the friction with the stair surface;
(3) the multifunctional wheelchair with the storage battery for assisting in walking and climbing stairs has the advantages that the frame is made of aluminum alloy, so that the weight of the wheelchair is reduced, and the wheelchair has enough strength and hardness, so that the wheelchair can adapt to various complicated road conditions and is safe and reliable;
(4) the utility model discloses a battery helping hand walking and climbing stair multifunctional wheelchair, the group battery is placed below the seat, has reduced holistic focus, and flexible motor and gyroscope cooperation simultaneously enable seat automatically regulated and are in balanced state all the time according to climbing stair height, improve stationarity and the travelling comfort in marcing.
(5) The utility model discloses a multi-functional wheelchair of battery helping hand walking and climbing stair, battery helping hand walking convenient operation can realize going up and down stair and the switching of road walk function through the control system of control seat, does not need other people supplementary, and complete power, therefore, this utility model can be suitable for old person's weak tendency crowd helping hand walking, and the shopping demand also can be applicable to the shopping and the trip of people such as the walking is inconvenient and medical rehabilitation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the transmission structure of the inter-road advancing wheel train of the present invention.
Fig. 3 is a schematic structural view of the multifunctional seat component of the present invention.
Figure 4 is the utility model discloses stair climbing chain drive assembly schematic structure.
Fig. 5 is a schematic structural view of the tripod of the present invention.
Fig. 6 is a schematic structural diagram of the chair posture adjusting mechanism of the present invention.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
As shown in figures 1-6, the multifunctional wheelchair with the storage battery for helping walking and climbing stairs of the utility model is characterized in that the multifunctional wheelchair comprises a wheelchair support 2, a wheel train structure arranged at the lower part of the wheelchair support 2, a multifunctional seat arranged at the upper part of the wheelchair support 2, a seat posture adjusting mechanism arranged at the bottom of the multifunctional seat,
the multifunctional seat comprises a seat, seat armrests 9 arranged at two sides of the seat, a shopping basket 11 arranged at the rear side of the seat, two tail lamps 10 arranged at two end parts of the rear side of the seat, a front lamp 17 respectively arranged at the front end of each seat armrest 9, a control system arranged on the seat armrests 9,
the wheel train structure comprises an inter-road wheel train and a climbing wheel train, the inter-road wheel train comprises universal wheels 3 arranged in the middle of the front end of the wheelchair support 2 through universal shafts, a rear wheel shaft 16 rotationally connected with the rear side of the wheelchair support 2, two rear wheels 7 respectively arranged at two ends of the rear wheel shaft 16, a main motor 13 connected with the rear wheel shaft 16 through a worm gear mechanism 14, and a storage battery 6 connected with the main motor 13,
the climbing wheel train comprises a front climbing wheel train and a rear climbing wheel train, the front climbing wheel train comprises triangular plates 19 fixed at two ends of the front side of the wheelchair support 2, front transmission chain wheel shafts 18, input shafts of which two ends penetrate through the two triangular plates 19 and are rotationally connected with the triangular plates 19, front transmission chain wheels 25 arranged on the front transmission chain wheel shafts 18, front transmission wheel trains, input shafts of which two ends are respectively connected with two ends of the front transmission chain wheel shafts 18, tripods 8 fixedly connected with output shafts of each front transmission wheel train, pulleys 21 respectively arranged on three feet of each tripod 8 through rolling bearings, the rear climbing wheel train comprises rectangular plates 24 fixed at two sides of the wheelchair support 2, rear transmission chain wheel shafts 20, rear transmission chain wheels 26 arranged on the rear transmission chain wheel shafts 20, and input shafts of which two ends are respectively connected with two ends of the rear transmission chain wheel shafts 20, the tripod 8 fixedly connected with the output shaft of each rear transmission gear train, pulleys 21 respectively arranged on three legs of the tripod 8 through rolling bearings, an auxiliary motor 12 connected with the rear transmission chain wheel shaft 20 through a worm gear mechanism 14, and a storage battery 6 connected with the auxiliary motor 12, wherein the front transmission chain wheel 25 is connected with the rear transmission chain wheel 26 through a chain 4.
The chair posture adjusting mechanism comprises a telescopic motor 22 fixed on the wheelchair support 2, and the output end of the telescopic motor 22 is connected with the bottom of the chair through a hinge 23.
The inner sides of the two triangular plates 19 are fixedly connected with a pedal plate 1.
The front transmission gear train or the rear transmission gear train comprises three transmission gears 5 which are meshed in sequence.
The main motor 13 and the auxiliary motor 12 are both arranged on a motor mounting frame 15, and the motor mounting frame 15 is fixed on the wheelchair support 2 and is positioned below the seat.
The control system is connected with a main motor 13, an auxiliary motor 12, a front light 17 and a tail light 10.
The utility model discloses simple structure, the debugging is convenient, and the flexibility is good, leans on main motor 13 drive rear wheel 7, is aided with vice motor 12 driving sprocket transmission system, and it is rotatory to drive tripod 8, realizes climbing stair function, and tripod 8 designs for the pulley structure to increase tripod 8 wearability. Especially, when climbing stairs, the gyroscope level detection technology is adopted, and the seat can be adjusted through the telescopic motor 22 in real time according to the gradient of the stairs, so that the seat is basically kept in a level comfortable state. When walking on flat ground, the rear wheel 7 is driven by the main motor 13, the auxiliary motor 12 stops rotating, the direction of the universal wheel 3 is controlled, and the transmission of power is carried out by the worm gear mechanism 14 with the self-locking function, so that accidents such as stalling and backsliding are prevented when people go up and down slopes; the illumination lamp is arranged to provide illumination for night travelling. The multifunctional wheelchair with the power-assisted walking function of the storage battery 6 is convenient to operate, the walking function switching between going upstairs and going downstairs and between roads can be realized by controlling the buttons on the seat armrests 9, and the multifunctional wheelchair does not need assistance of other people and is completely powered. Therefore, the utility model can be suitable for assisting the walking of the weak group of the old, the shopping demand and the shopping and the trip of the people who are inconvenient to walk and are recovered in medical treatment.
According to the utility model discloses a preferred embodiment, universal wheel 3 is connected with wheelchair support 2 through the cardan shaft as the guide wheel, universal wheel 3, and the wheel end carries out axial positioning with the retaining ring, and tripod 8 is with the high-carbon steel preparation that has higher strength. After the vice motor 12 of battery 6 power supply provides power, it is rotatory to make back transmission sprocket shaft 20 through worm gear mechanism 14, thereby it is rotatory to drive back transmission sprocket 26, under the drive of chain 4, preceding transmission sprocket 25 is rotatory and preceding transmission sprocket shaft 18 is rotatory, thereby it trains to drive preceding transmission, it is rotatory to make tripod 8, pulley 21 is equipped with on tripod 8, pulley 21 enables to rotate more convenient nimble, and reduce the friction between wheel and stair, thereby realize the climbing of stair smoothly. When the wheelchair runs on the flat ground, the main motor 13 provides power, due to the structural characteristics, wheels 7 of the rear vehicle always land, the direction of the universal wheels 3 is adjusted through the universal shaft, when the wheelchair climbs stairs, the main motor 13 and the auxiliary motor 12 simultaneously act, the wheel set rolls through the tripod 8 and advances, when the wheelchair goes upstairs and downstairs, the main motor 13 and the auxiliary motor 12 both drive the wheels through the worm and gear mechanism 14, and the worm and gear mechanism 14 has a self-locking function, so that the wheelchair is ensured not to slip backwards when going upstairs, and the wheelchair is prevented from stalling when going downstairs.
According to the utility model discloses a preferred embodiment, seat posture adjustment mechanism includes flexible motor 22 and gyroscope, and for the balance of real-time maintenance seat, the gyroscope is installed under the seat, detects the seat angle, adjusts the lift that steelframe length comes control seat through flexible motor with the balance that keeps the seat. Meanwhile, when the stairs climb, the four tripods 8 are simultaneously landed, so that the safety, comfort and stability of the seat are improved, the moment is reduced in the overturning process, and the overturning is easier. The headlights 17 are mounted on the seat arm 9 for illumination and the tail lights 10 for warning in the event of an accident.
The utility model discloses in the device, running gear adopts the train structure, and the steamboat number in the train structure is less, and the structure is simpler, but turning moment is also big more, and the wheelchair focus is undulant just also big more, and stability is poor more. Along with the increase of the number of the small wheels, the fluctuation of the gravity center of the wheelchair is reduced, and the structure of the whole wheel train is more and more complex. Therefore, the direction of the front wheel of the wheelchair is controlled by a universal wheel, the rear wheel of the wheelchair is steered and braked simultaneously by two wheel train structures, and the rolling bearing of the pulley 21 arranged on the tripod 8 can ensure the stability and flexibility when going upstairs and reduce the friction with the stair surface. The wheelchair support 2 is the basis of the whole wheelchair, is connected with the motors, the chains 4 and the gears, is made of aluminum alloy, not only lightens the weight of the wheelchair, but also has enough strength and hardness, and ensures that the wheelchair can adapt to various complex road conditions and is safe and reliable. The battery is placed below the seat for reducing holistic focus, and flexible motor 22 and gyroscope cooperation simultaneously enable seat automatically regulated and be in balanced state all the time according to climbing stair height, improve stationarity and the travelling comfort in marcing.
The utility model relates to a flexible motor 22 is adjustable structure with each gear train, through angular adjustment, can satisfy the problem of balance and gear position control when upstairs and downstairs.
Examples
Implementation scheme of inter-road traveling function
The structure and function of the road traveling wheel train transmission are as described above, and the rear wheels 7 of the wheelchair are driving wheels and drive the universal wheels 3 of the front wheels to move together. The realization process is as follows: as shown in fig. 2, the main motor 13 rotates the rear wheel shaft 16 via the worm gear mechanism 14, thereby operating the rear wheels 7 and the universal wheels 3 to travel between roads. The direction of the universal wheel 3 can be controlled by a control system of the seat, and a flexible steering function is realized.
Second, implementation scheme of stair climbing function
Stair climbing chain drive assembly structure function as above, front and back tripod 8 that the stair climbing needs all are the drive wheel, realize synchronous motion, provide sufficient power to stability when guaranteeing to climb stair. The realization process is as follows: as shown in fig. 4, the auxiliary motor 12 is used as a power source for climbing stairs, the auxiliary motor 12 is connected with the rear transmission chain wheel shaft 20 through the worm gear mechanism 14, the front tripod 8 and the rear tripod 8 have power simultaneously through the structural function of the chain transmission assembly, and the front transmission chain wheel shaft 18 and the rear transmission chain wheel shaft 20 are respectively matched with the respective transmission gears 5 to enable the tripods 8 to rotate simultaneously, so that the function of climbing stairs is realized. The pulley 21 on the tripod 8 functions to reduce friction and to provide a firm climbing. The seat may incline during stair climbing, and the gyroscope can automated inspection this moment, unites telescopic motor 22 adjustment seat balance, makes the seat keep the level, and stair are gone up and down safely.
The main functions of the wheelchair are controlled by a control system on the seat, when the wheelchair travels on the road surface, the road surface traveling device system is started, and the power system for climbing stairs is stopped, so that the inter-road traveling function of the wheelchair is realized. When climbing stairs, the two device systems are started simultaneously, so that the function of climbing stairs is realized. The design of the multifunctional power system can reduce power consumption and prolong the service life of the wheelchair.
Claims (6)
1. A multifunctional wheelchair with a storage battery for assisting in walking and climbing stairs is characterized by comprising a wheelchair bracket, a wheel train structure arranged at the lower part of the wheelchair bracket, a multifunctional seat arranged at the upper part of the wheelchair bracket, a seat posture adjusting mechanism arranged at the bottom of the multifunctional seat,
the multifunctional chair comprises a chair, chair armrests arranged at two sides of the chair, a shopping basket arranged at the rear side of the chair, two tail lamps arranged at two end parts of the rear side of the chair, a front lamp respectively arranged at the front end of each chair armrest, and a control system arranged on the chair armrests,
the wheel train structure comprises an inter-road wheel train and a climbing wheel train, the inter-road wheel train comprises universal wheels arranged in the middle of the front end of the wheelchair bracket through universal shafts, a rear wheel shaft rotationally connected with the rear side of the wheelchair bracket, two rear wheels respectively arranged at two ends of the rear wheel shaft, a main motor connected with the rear wheel shaft through a worm gear mechanism, and a storage battery connected with the main motor,
the climbing wheel train comprises a front climbing wheel train and a rear climbing wheel train, wherein the front climbing wheel train comprises triangular plates fixed at two ends of the front side of the wheelchair support, a front transmission chain wheel shaft with two ends penetrating through the two triangular plates and rotationally connected with the triangular plates, a front transmission chain wheel arranged on the front transmission chain wheel shaft, front transmission wheel systems with input shafts respectively connected with two ends of the front transmission chain wheel shaft, tripods fixedly connected with output shafts of each front transmission wheel train, pulleys respectively arranged on three feet of each tripod through rolling bearings, the rear climbing wheel train comprises rectangular plates fixed at two sides of the wheelchair support, rear transmission chain wheel shafts with two ends penetrating through the two rectangular plates and rotationally connected with the rectangular plates, a rear transmission chain wheel arranged on the rear transmission chain wheel shaft, and a rear transmission wheel train with an input shaft respectively connected with two ends of the rear transmission chain wheel shaft, the tripod is fixedly connected with the output shaft of each rear transmission gear train, pulleys which are respectively arranged on three feet of the tripod are arranged through rolling bearings, an auxiliary motor which is connected with the rear transmission chain wheel shaft through a worm gear mechanism, and a storage battery which is connected with the auxiliary motor, and the front transmission chain wheel is connected with the rear transmission chain wheel through a chain.
2. The multifunctional wheelchair with the function of assisting walking and climbing stairs of claim 1, wherein the seat posture adjusting mechanism comprises a telescopic motor fixed on the wheelchair support, and the output end of the telescopic motor is connected with the bottom of the seat through a hinge.
3. The multifunctional wheelchair with the function of assisting walking and climbing stairs of claim 1, wherein pedals are fixedly connected to the inner sides of the two triangular plates.
4. The multifunctional wheelchair with the function of assisting walking and climbing stairs of claim 1, wherein the front transmission wheel train or the rear transmission wheel train comprises three transmission gears which are meshed in sequence.
5. The battery-assisted walking and stair climbing wheelchair of claim 1 in which the primary and secondary motors are mounted on a motor mount that is fixed to the wheelchair frame and located below the seat.
6. The multifunctional wheelchair with the function of assisting walking and climbing stairs of claim 1, wherein the control system is connected with a main motor, an auxiliary motor, a front lamp and a tail lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020519153.8U CN212281925U (en) | 2020-04-10 | 2020-04-10 | Multifunctional wheelchair with storage battery for assisting in walking and climbing stairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020519153.8U CN212281925U (en) | 2020-04-10 | 2020-04-10 | Multifunctional wheelchair with storage battery for assisting in walking and climbing stairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212281925U true CN212281925U (en) | 2021-01-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020519153.8U Expired - Fee Related CN212281925U (en) | 2020-04-10 | 2020-04-10 | Multifunctional wheelchair with storage battery for assisting in walking and climbing stairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212281925U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842723A (en) * | 2021-02-07 | 2021-05-28 | 杭州乐好电梯有限公司 | Stair climbing method, stair climbing wheel set and stair climbing wheelchair with wheel set |
| CN115180728A (en) * | 2022-07-13 | 2022-10-14 | 王金玲 | Movable water purification laundry solar energy all-in-one |
-
2020
- 2020-04-10 CN CN202020519153.8U patent/CN212281925U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842723A (en) * | 2021-02-07 | 2021-05-28 | 杭州乐好电梯有限公司 | Stair climbing method, stair climbing wheel set and stair climbing wheelchair with wheel set |
| CN115180728A (en) * | 2022-07-13 | 2022-10-14 | 王金玲 | Movable water purification laundry solar energy all-in-one |
| CN115180728B (en) * | 2022-07-13 | 2023-12-12 | 王金玲 | Movable water purification and washing solar energy all-in-one machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210105 |