CN209377920U - Gravity's center control is advanced and the electric wheelchair of turning - Google Patents
Gravity's center control is advanced and the electric wheelchair of turning Download PDFInfo
- Publication number
- CN209377920U CN209377920U CN201720519488.8U CN201720519488U CN209377920U CN 209377920 U CN209377920 U CN 209377920U CN 201720519488 U CN201720519488 U CN 201720519488U CN 209377920 U CN209377920 U CN 209377920U
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- China
- Prior art keywords
- horizontal frame
- steering
- driving
- shaft
- upper horizontal
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Abstract
Gravity's center control is advanced and the electric wheelchair of turning, including upper horizontal frame, lower horizontal frame, driving bull wheel, turn to steamboat, driving motor, controller, battery, upper horizontal frame bottom is provided with the angular transducer for monitoring upper horizontal frame anterior-posterior horizontal degree, and the left and right side of upper horizontal frame front is respectively arranged with a pressure sensor.The utility model is novel in design, and the variation of upper horizontal frame angle is detected by angular transducer, as driving signal, controls driving motor acceleration-deceleration and stopping, achieving the purpose that wheelchair advances or accelerates；Which side is biased to by the pressure that two pressure sensors detect people, rotating and reverse for steering motor is controlled, to control driving direction.The utility model is not needed in traveling by operating devices such as handles, and travel speed and direction by the mobile control wheelchair of center of gravity are easy to operate, securely and reliably, especially suitable for upper limb also inflexible disabled person.
Description
Technical field
The utility model relates to the electric wheelchairs that a kind of wheelchair more particularly to a kind of gravity's center control advance and turn.
Background technique
Wheelchair is the vehicles for being used to ride instead of walk for specific crowds such as legs and feet inconvenience or the elderlys.The traveling of existing wheelchair
It is typically all to be realized using manual actuation rear-wheel with turning, can also be born in short distance operation, but multiplying for long range
Wheelchair will be very painstaking.Also occur electric wheelchair in the market, but this electric wheelchair is also required to be manipulated manually, it is right
Wheelchair cannot be used alone in upper limb also defective people.
Utility model content
The utility model in order to solve shortcoming in the prior art, provide it is a kind of by the leaning forward of body, lean on afterwards, left avertence
Movement with right avertence comes center-of-gravity regulating position to realize the electric wheelchair of gravity's center control traveling and turning.
In order to solve the above technical problems, the utility model adopts the following technical solution: gravity's center control is advanced and the electricity of turning
Wheelchair is fixedly installed seat board, upper level on upper horizontal frame including the vehicle frame with upper horizontal frame and lower horizontal frame
It is fixedly installed backrest on rear side of frame, backrest top rear is fixedly installed pushing handle, and upper horizontal frame left and right side is fixed
It is provided with handrail frame, lower horizontal frame lower front is provided with foot pedal, and lower horizontal frame left and right side is respectively arranged with one
A driving bull wheel, the left and right side of lower horizontal frame front side bottom are respectively arranged with a steering steamboat, and the driving in left side is big
Take turns it is coaxial be connected with right axle shaft, the driving bull wheel on right side is coaxial to be connected with left half axle, right axle shaft and the left half axle company of rotation
It connects on lower horizontal frame, the coaxial setting of right axle shaft and left half axle and is connected by differential drive, lower horizontal frame middle part
It is provided with driving motor, driving master gear is coaxially connected on the main shaft of driving motor, has been fixedly and coaxially connected drive on right axle shaft
Dynamic to drive master gear and driving from gear engagement from gear, upper horizontal frame lower front is provided with controller, upper horizontal frame
The battery of promising driving motor and controller power supply is arranged in bottom rear, and upper horizontal frame bottom is provided with for monitoring upper water
The angular transducer of flat frame anterior-posterior horizontal degree, angular transducer are located at right above right axle shaft and left half axle, angular transducer and
Driving motor passes through signal wire and connect with controller.
The left and right side of upper horizontal frame front is respectively arranged with a pressure sensor, middle part on front side of lower horizontal frame
It is fixedly installed a steering motor, steering motor is located at below lower horizontal frame and the main shaft of steering motor is set vertically upward
It sets, the main shaft upper end of steering motor has been fixedly and coaxially connected a steering master gear, lower horizontal frame front left and right side point
It is not provided with a steering shaft, two steering shafts are symmetrical set, and steering shaft is arranged in vertical and rotates by bearing
Be connected on lower horizontal frame, steering shaft upper end is coaxially fixed with one and turns to from gear, two turn to from gear respectively with
The left and right side engagement of master gear is turned to, the lower end of steering shaft is provided with a wheel carrier, turns to steamboat and is rotatably arranged on wheel carrier
On, be provided with square hole on wheel carrier, the cross section of steering shaft lower portion be it is rectangular, steering shaft lower portion is plugged in square hole, under steering shaft
End is provided with the limit plate for below the square hole and being greater than square hole, is arranged with damping spring in steering shaft, damping spring upper end and
Lower end cooperates with lower horizontal frame and wheel carrier press respectively；Pressure sensor and steering motor pass through control line and controller respectively
Connection.
By adopting the above technical scheme, user is sitting on seat board, when needing to move ahead or accelerate, the body forward of user
Incline, the center of gravity Forward of body, damping spring are compressed downwardly at this time, upper horizontal frame and the inclination of lower horizontal frame, upper horizontal pane
The angular transducer being arranged on frame monitors the variation at horizontal frame inclination angle, issues signal to controller, controller is to driving
Motor issues order, and driving motor starting or revolving speed increase, and driving motor drives driving master gear rotation, and driving master gear drives
Driving is rotated from gear, and driving drives coaxial right axle shaft and left half axle, driving bull wheel rotation from gear, and wheelchair is moved ahead or mentioned
Speed, body is more past to lean forward, and speed is higher.Similarly, when the body of user is to when layback, realization is slowed down or the function of parking.
When needing to bend to right, the body of user is to right avertence, after the pressure sensor on right side is under pressure, in real time to
Controller issues signal, and controller issues the order of starting, turning motors driving turning master gear rotation, turning to turning motors
Master gear drives two turnings to rotate from gear simultaneously, and turning moves steering axes from gear band, since steering shaft lower portion is side
Shape structure, steering shaft drive wheel carrier rotation, and wheel carrier drives steering steamboat rotation to realize and turns to the right.Similarly, when the body of user
When body is faced upward to the left, realizes and turn to the function that steamboat turns to the left.
In conclusion the utility model is novel in design, the variation of upper horizontal frame angle is detected by angular transducer, is made
For driving signal, driving motor acceleration-deceleration and stopping are controlled, achievees the purpose that wheelchair advances or accelerates；It is passed by two pressure
Which side the pressure of sensor detection people is biased to, and rotating and reverse for steering motor is controlled, to control driving direction.The utility model
It is not needed in traveling by operating devices such as handles, travel speed and direction by the mobile control wheelchair of center of gravity, operation side
Just, securely and reliably, especially suitable for upper limb also inflexible disabled person.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is A-A cross-sectional view in Fig. 1.
Specific embodiment
As shown in Figure 1-Figure 3, the electric wheelchair that the gravity's center control of the utility model advances and turns, including with upper level
The vehicle frame of frame 1 and lower horizontal frame 2 is fixedly installed seat board 3 on upper horizontal frame 1, is fixedly installed on rear side of upper horizontal frame 1
Have backrest 4,4 top rear of backrest, which is fixedly installed pushing handle 5(stranger, can hold the traveling of the promotion wheelchair of pushing handle 5), upper water
1 left and right side of flat frame is fixedly installed handrail frame 6, and lower 2 lower front of horizontal frame is provided with foot pedal 7, lower horizontal pane
2 left and right side of frame is respectively arranged with a driving bull wheel 8, and the left and right side of lower 2 front side bottom of horizontal frame is respectively set
There is a steering steamboat 9, the driving bull wheel 8 in left side is coaxial to be connected with right axle shaft 10, the coaxial connection of driving bull wheel 8 on right side
There is left half axle 11, right axle shaft 10 and left half axle 11 are rotatably connected on lower horizontal frame 2, and right axle shaft 10 and left half axle 11 are coaxial
It is sequentially connected to setting and by differential mechanism 12, driving motor 13, the main shaft of driving motor 13 is provided in the middle part of lower horizontal frame 2
On be coaxially connected with driving master gear 14, driving has been fixedly and coaxially connected on right axle shaft 10 from gear 15, has driven 14 He of master gear
Driving is engaged from gear 15, and upper 1 lower front of horizontal frame is provided with controller 16, and upper 1 bottom rear of horizontal frame is provided with
For the battery 17 that driving motor 13 and controller 16 are powered, upper 1 bottom of horizontal frame is provided with for monitoring upper horizontal frame 1
The angular transducer 18 of anterior-posterior horizontal degree, angular transducer 18 are located at right above right axle shaft 10 and left half axle 11, angular transducer
18 and driving motor 13 connect with controller 16 by signal wire.
The left and right side of upper 1 front of horizontal frame is respectively arranged with a pressure sensor 19, lower 2 front side of horizontal frame
Middle part is fixedly installed a steering motor 20, and steering motor 20 is located at the main shaft of lower 2 lower section of horizontal frame and steering motor 20
It is arranged vertically upward, the main shaft upper end of steering motor 20 has been fixedly and coaxially connected a steering master gear 21, before lower horizontal frame 2
Portion's left and right side is respectively arranged with a steering shaft 22, and two steering shafts 22 are symmetrical set, and steering shaft 22 is along Vertical Square
To being arranged and be rotatably connected on lower horizontal frame 2 by bearing 23,22 upper end of steering shaft be coaxially fixed with one turn to from
Gear 24, two steerings are engaged with the left and right side for turning to master gear 21 respectively from gear 24, the lower end setting of steering shaft 22
There is a wheel carrier 25, turns to steamboat 9 and be rotatably arranged on wheel carrier 25, square hole, the cross of 22 lower part of steering shaft are provided on wheel carrier 25
Section be it is rectangular, 22 lower part of steering shaft is plugged in square hole, and 22 lower end of steering shaft is provided with below the square hole and is greater than square hole
Limit plate 26, be arranged with damping spring 27 in steering shaft 22,27 top and bottom of damping spring respectively with lower horizontal frame 2 and
The press cooperation of wheel carrier 25；Pressure sensor 19 and steering motor 20 are connect by control line with controller 16 respectively.
Controller 16, angular transducer 18, pressure sensor 19 in the utility model are existing mature technology, specifically
Construction repeats no more.
The utility model specific works use process are as follows: user is sitting on seat board 3, when needing to move ahead or accelerate, makes
The body forward of user is inclined, and the center of gravity Forward of body, damping spring 27 are compressed downwardly at this time, upper horizontal frame 1 and lower level
Frame 2 tilts, and the angular transducer 18 being arranged on upper horizontal frame 1 monitors the variation at 1 inclination angle of horizontal frame, to controller
16 issue signal, and controller 16 is issued to driving motor 13 and ordered, and the starting of driving motor 13 or revolving speed increase, 13 band of driving motor
Dynamic driving master gear 14 rotates, and driving master gear 14 drives driving to rotate from gear 15, and driving drives the coaxial right side from gear 15
Semiaxis 10 and left half axle 11, driving bull wheel 8 rotate, and wheelchair moves ahead or speed-raising, and body is more past to lean forward, and speed is higher.Similarly, when making
The body of user realizes the function of slowing down or stop to when layback.
When needing to bend to right, the body of user is to right avertence, after the pressure sensor 19 on right side is under pressure, in real time
Signal is issued to controller 16, controller 16 issues the order of starting to turning motors, and turning motors driving turning master gear turns
Dynamic, turning master gear drives two turnings to rotate from gear simultaneously, and turning is moved steering shaft 22 from gear band and rotated, due to steering shaft
22 lower parts are square structure, and steering shaft 22 drives wheel carrier 25 to rotate, and wheel carrier 25 drives the steering rotation of steamboat 9 to realize and turns to the right.
Similarly, it when the body of user is faced upward to the left, realizes and turns to the function that steamboat 9 turns to the left.
The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations
The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality
With the protection scope of new technique scheme.
Claims (2)
1. gravity's center control is advanced and the electric wheelchair of turning, including the vehicle frame with upper horizontal frame and lower horizontal frame, upper water
It is fixedly installed seat board on flat frame, is fixedly installed backrest on rear side of upper horizontal frame, backrest top rear, which is fixedly installed, to be pushed away
Handle, upper horizontal frame left and right side are fixedly installed handrail frame, and lower horizontal frame lower front is provided with foot pedal, is lauched
Flat frame left and right side is respectively arranged with a driving bull wheel, and the left and right side of lower horizontal frame front side bottom is respectively set
There is a steering steamboat, it is characterised in that: the driving bull wheel in left side is coaxial to be connected with right axle shaft, and the driving bull wheel on right side is coaxial
To left half axle is connected with, right axle shaft and left half axle are rotatably connected on lower horizontal frame, right axle shaft and left half axle is coaxial sets
It sets and is connected by differential drive, be provided with driving motor in the middle part of lower horizontal frame, it is coaxially connected on the main shaft of driving motor
There is driving master gear, driving has been fixedly and coaxially connected on right axle shaft from gear, has driven master gear and driving to engage from gear, upper water
Flat frame lower front is provided with controller, and the storage of promising driving motor and controller power supply is arranged in upper horizontal frame bottom rear
Battery, upper horizontal frame bottom are provided with the angular transducer for monitoring upper horizontal frame anterior-posterior horizontal degree, angular transducer
Right above right axle shaft and left half axle, angular transducer and driving motor pass through signal wire and connect with controller.
2. gravity's center control according to claim 1 is advanced and the electric wheelchair of turning, it is characterised in that: before upper horizontal frame
The left and right side in portion is respectively arranged with a pressure sensor, and middle part is fixedly installed a steering electricity on front side of lower horizontal frame
Machine, steering motor is located at below lower horizontal frame and the main shaft of steering motor is arranged vertically upward, the main shaft upper end of steering motor
It has been fixedly and coaxially connected a steering master gear, lower horizontal frame front left and right side are respectively arranged with a steering shaft, and two
Root steering shaft is symmetrical set, and steering shaft is arranged in vertical and passes through bearing and is rotatably connected on lower horizontal frame, is turned
One is coaxially fixed with to axis upper end to turn to from gear, two turn to from gear respectively with the left and right side that turns to master gear
Engagement, the lower end of steering shaft are provided with a wheel carrier, turn to steamboat and are rotatably arranged on wheel carrier, square hole is provided on wheel carrier, turn
Be to the cross section of axis lower part it is rectangular, steering shaft lower portion is plugged in square hole, and steering shaft lower end is provided with below the square hole simultaneously
Greater than the limit plate of square hole, be arranged with damping spring in steering shaft, damping spring top and bottom respectively with lower horizontal frame and
Wheel carrier press cooperation；Pressure sensor and steering motor pass through control line respectively and connect with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720519488.8U CN209377920U (en) | 2017-05-11 | 2017-05-11 | Gravity's center control is advanced and the electric wheelchair of turning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720519488.8U CN209377920U (en) | 2017-05-11 | 2017-05-11 | Gravity's center control is advanced and the electric wheelchair of turning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209377920U true CN209377920U (en) | 2019-09-13 |
Family
ID=67868080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720519488.8U Expired - Fee Related CN209377920U (en) | 2017-05-11 | 2017-05-11 | Gravity's center control is advanced and the electric wheelchair of turning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209377920U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110946742A (en) * | 2019-12-02 | 2020-04-03 | 南京伟思医疗科技股份有限公司 | Device and method for assisting lower limb robot to transfer gravity center by aid of weight reduction vehicle |
| CN111513942A (en) * | 2020-04-03 | 2020-08-11 | 西安星球通智能装备技术有限公司 | Active safety device of intelligent wheelchair |
-
2017
- 2017-05-11 CN CN201720519488.8U patent/CN209377920U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110946742A (en) * | 2019-12-02 | 2020-04-03 | 南京伟思医疗科技股份有限公司 | Device and method for assisting lower limb robot to transfer gravity center by aid of weight reduction vehicle |
| CN111513942A (en) * | 2020-04-03 | 2020-08-11 | 西安星球通智能装备技术有限公司 | Active safety device of intelligent wheelchair |
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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: 20190913 Termination date: 20200511 |