CN207445133U - The mechanism that leapfrogs based on stair-climbing wheel chair - Google Patents
The mechanism that leapfrogs based on stair-climbing wheel chair Download PDFInfo
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- CN207445133U CN207445133U CN201720434186.0U CN201720434186U CN207445133U CN 207445133 U CN207445133 U CN 207445133U CN 201720434186 U CN201720434186 U CN 201720434186U CN 207445133 U CN207445133 U CN 207445133U
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- guide rail
- hydraulic cylinder
- stair
- wheel chair
- foot
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Abstract
The utility model is related to a kind of mechanisms that leapfrogs based on stair-climbing wheel chair, and including body, front foot and the rear foot are provided with below body, and the front foot hydraulic cylinder of driving front foot lifting and the rear foot hydraulic cylinder of driving rear foot lifting are additionally provided on body；The guide rail set along the longitudinal direction is additionally provided with below body left and right side, organism bottom left and right side is provided with the guide rail hydraulic cylinder with guide rail parallel, and the guide rail hydraulic cylinder is slidably mounted on the guide rail of respective side and passes through the back-and-forth motion of itself telescopic band motivation body.The mechanism stable that leapfrogs based on stair-climbing wheel chair is reliable, safe, realizes that steady centre of gravity climbs building, low noise is upstairs；Possess auto-lock function, even if power-off in the case of also can guarantee the static of device, preferably protect the safety of user.
Description
Technical field
The utility model is related to a kind of mechanisms that leapfrogs based on stair-climbing wheel chair.
Background technology
There are a 40000000 disability old men in the present whole nation and 3,000,000 severe physically disableds thirst for trip but by a platform successively
Rank stair limit action, so occurring the stair-climbing wheel chair of various forms on the market at present.
At present stair-climbing wheel chair climb building form mainly have it is following two：1. star wheel type, each steamboat both can be around respective
Axis rotation, and can revolve round the sun together around central shaft with tie-rod.In level walking, each steamboat rotation, and during stair climbing, respectively
Steamboat revolves round the sun together, so as to fulfill the function of stair climbing.But star wheel type climbs building pattern and there is the problems such as skidding, pulsation degree is big, and
There is no non-skid braking measure, and other people manpower tractions are needed in upper go downstairs, security has much room for improvement.2. crawler type, crawler belt
The stair-climbing wheel chair of formula uses walking manner more more continuous than star-like wheel mechanism, when crawler belt often leaves a upper step or advances to
It is present with during next step because deviation of gravity center tilts due to around.When overhanging portion is with rank angular contact among crawler belt, due to crawler belt
It with flexibility, can be collapsed into rank angular contact, so that can all make complete machine motion process when crawler belt does not have a step
The lasting shake stationarity of middle generation is relatively low, but track type climbing-building wheelchair is not suitable for along too smooth and gradient being more than in stair rank
The environment of 30-35 degree uses, and track wear is larger of high cost down to later period maintenance.Using import high quality crawler belt although
Abrasion resistance properties can be improved, but stair rank edge can be caused to damage.Resistance is larger during track type climbing-building wheelchair level walking,
Turn round dumb in corner.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of structure novel, reliable and stable, safe based on climbing
The mechanism that leapfrogs of clambing wheel chair.
The utility model is realized using following scheme：A kind of mechanism that leapfrogs based on stair-climbing wheel chair, including body, machine
Front foot and the rear foot are provided with below body, the front foot hydraulic cylinder of driving front foot lifting and driving rear foot lifting are additionally provided on body
Rear foot hydraulic cylinder；The guide rail set along the longitudinal direction is additionally provided with below body left and right side, organism bottom left and right side is set
There is the guide rail hydraulic cylinder with guide rail parallel, the guide rail hydraulic cylinder, which is slidably mounted on the guide rail of respective side and passes through itself, to be stretched
Body is driven to move back and forth.
Further, the guide rail bottom is lined with sleeper, and sleeper bottom side is coated with rubber.
Further, guide rail hydraulic cylinder top is connected to organism bottom by former and later two angled seats through bolt and nut；Guide rail
Cylinder lower is connected to through bolt and nut on the sliding block being slidably matched with guide rail by former and later two angled seats.
Further, guide rail is provided at both ends with baffle, and the telescopic rod driving end of guide rail hydraulic cylinder is connected to guide rail rear end
On baffle.
Further, be additionally provided on body hydraulic pump and respectively to control front foot hydraulic cylinder, rear foot hydraulic cylinder and
The first solenoid valve, second solenoid valve and the 3rd solenoid valve of guide rail hydraulic cylinder；First solenoid valve, second solenoid valve and the 3rd electromagnetism
Valve is three position four-way electromagnetic valve.
Further, two front truckles on the first from left right side are provided in the front foot, the first from left right side is also equipped on the rear foot
Two rear truckles；The axial line of front truckle is parallel with left and right directions, and the axial line of rear truckle is parallel with front-rear direction.
Compared with prior art, the utility model has the advantages that：The machine that leapfrogs based on stair-climbing wheel chair
Structure is reliable and stable, safe, realizes that steady centre of gravity climbs building, low noise is upstairs；Guide rail hydraulic cylinder can realize larger drive
Power, and can realize self-locking, even if also can guarantee the static of device in the case of device power down, preferably protecting makes
The safety of user.
For the purpose of this utility model, technical solution and advantage is more clearly understood, specific embodiment will be passed through below
And relevant drawings, the utility model is described in further detail.
Description of the drawings
Fig. 1 is the utility model embodiment stereogram；
Fig. 2 is the utility model embodiment side view；
Fig. 3 is the utility model embodiment front view；
Fig. 4 is the utility model embodiment hydraulic scheme；
Figure label explanation：1- bodies, 2- front foots, the 3- rear feet, 4- front foots hydraulic cylinder, 5- rear feet hydraulic cylinder, 6- guide rails, 7-
Guide rail hydraulic cylinder, 8- sleepers, 9- rubber, 10- angled seats, 11- sliding blocks, 12- baffles, the first solenoid valves of 13-, 14- second solenoid valves,
The 3rd solenoid valves of 15-, 16- front truckles, 17- rear truckles.
Specific embodiment
As shown in Fig. 1 ~ 3, a kind of mechanism that leapfrogs based on stair-climbing wheel chair, including body 1,1 lower section of body is provided with
Front foot 2 and the rear foot 3 are additionally provided with the front foot hydraulic cylinder 4 of driving front foot lifting and the rear foot liquid of driving rear foot lifting on body
Cylinder pressure 5, front foot hydraulic cylinder and rear foot hydraulic cylinder turn forward certain angle；Pass through on front foot hydraulic cylinder and on rear foot hydraulic cylinder
Bolt is fixed on the rib with body；4 lower end of front foot hydraulic cylinder, 5 lower end of rear foot hydraulic cylinder pass through spiral shell with front foot 2, the rear foot 3 respectively
Bolt nut is fixedly connected；When climbing building, front foot 3 and the rear foot 4 are played a supporting role by hydraulic cylinder；Below 1 left and right side of body also
The guide rail 6 set along the longitudinal direction is provided with, 1 bottom left and right side of body is provided with the guide rail hydraulic cylinder 7 with guide rail parallel, institute
Guide rail hydraulic cylinder is stated to be slidably mounted on the guide rail 6 of respective side and pass through the back-and-forth motion of itself telescopic band motivation body.Front foot is with after
Foot extends opportunity body upwards can drive entire guide rail to leave ground, and guide rail is pressed on ground when front foot and the rear foot are shunk；Work as guide rail
When being pressed on stair face, guide rail hydraulic cylinder elongation so that body advances；Front foot and the rear foot are supported in bottom surface and guide rail leaves bottom surface
When, guide rail hydraulic cylinder is shunk, and guide rail advances, and alternating movement by doing so realizes that body is intermittent and climbs building.
Building form, the pattern that this product is leapfroged using body with guide rail, by raising and admittedly are climbed compared to transmission
Determine car body, guide rail hydraulic cylinder stretches out driving guide rail and advances, then puts down car body, guide rail is fixed with frictional force, guide rail hydraulic cylinder
Elongation, band motor vehicles bodies advance, and constantly its process, body replace fixed and mobile with guide rail repeatedly.It can be protected using guide rail structure
Hydraulic cylinder is demonstrate,proved from radial load, and guide rail structure friction is small, and noise is small, motion stabilization, realizes that steady centre of gravity climbs building, low noise
Sound is upstairs；Guide rail hydraulic cylinder can realize larger driving force, and can realize self-locking, even if in the case of device power down
Also it can guarantee the static of device, preferably protect the safety of user.
In the present embodiment, the guide rail bottom is lined with sleeper 8, and sleeper bottom side is coated with rubber 9, and rubber 7 provides enough
Earth-grasping force ensure climbing machine do not slided on stair.
In the present embodiment, guide rail hydraulic cylinder top is connected to body bottom by former and later two angled seats 10 through bolt and nut
Portion；Guide rail cylinder lower is connected to through bolt and nut on the sliding block 11 being slidably matched with guide rail by former and later two angled seats 10,
Using hydraulic cylinder and the matching model of guide rail, guide rail can ensure that guide rail hydraulic cylinder is not acted on be subject to radial load, guide rail hydraulic pressure
Cylinder can provide enough thrust so that integrated model steadily, can realize efficiently, the alternating movement of car body and guide rail.
In the present embodiment, guide rail is provided at both ends with baffle 12, and the telescopic rod driving end of guide rail hydraulic cylinder passes through two spiral shells
Mother is connected on the baffle of guide rail rear end.
In the present embodiment, hydraulic pump is additionally provided on body 1 and respectively controlling front foot hydraulic cylinder, rear foot hydraulic pressure
First solenoid valve 13 of cylinder and guide rail hydraulic cylinder, 14 and the 3rd solenoid valve 15 of second solenoid valve；First solenoid valve, second solenoid valve
It is three position four-way electromagnetic valve with the 3rd solenoid valve.
In the present embodiment, two front truckles 16 on the first from left right side are provided in the front foot, one is also equipped on the rear foot
Two rear truckles 17 on the first from left right side；The axial line of front truckle is parallel with left and right directions, and axial line and the front-rear direction of rear truckle are put down
The axial line of both row, front truckle and rear truckle staggers 90 °, can effectively prevent body from front-rear direction or left and right directions occur
Sliding.
The mechanism course of work that leapfrogs based on stair-climbing wheel chair：First solenoid valve 13 is placed in a left side with second solenoid valve 14
Position, front foot hydraulic cylinder 4 are stretched out with rear foot hydraulic cylinder 5, body 1 and guide rail 6 are lifted away from ground, then the first solenoid valve 13 and second
Solenoid valve 14 is placed in middle position, realizes hydraulic pressure self-locking；Then the 3rd solenoid valve 15 is placed in right position, and guide rail hydraulic cylinder 7 is shunk, and drive is led
Rail 6 moves forward；When guide rail 6 is moved to critical distance, the 3rd solenoid valve 15 is placed in middle position, realizes hydraulic pressure self-locking, Ran Hou
One solenoid valve 13 is placed in right position with second solenoid valve 14, and front foot hydraulic cylinder 4 is retracted with rear foot hydraulic cylinder 5, and guide rail 3 passes through frictional force
It fixes on the ground；After the fixation of guide rail 5, the 3rd solenoid valve 15 is placed in left position, and guide rail hydraulic cylinder 7 extends, and drives body forward
It is mobile；When guide rail hydraulic cylinder 7 is retracted to extreme position, the 3rd solenoid valve 15 is placed in middle position, realizes hydraulic cylinder self locking.So far, it is complete
Into a forward motion.
Above-listed preferred embodiment has been further described the purpose of this utility model, technical solution and advantage,
It should be understood that the above is only the preferred embodiment of the utility model only, it is not intended to limit the utility model, it is all
Within the spirit and principles of the present invention, any modifications, equivalent replacements and improvements are made should be included in this practicality
Within new protection domain.
Claims (6)
1. a kind of mechanism that leapfrogs based on stair-climbing wheel chair, it is characterised in that：Be provided with including body, below body front foot and
The rear foot is additionally provided with the front foot hydraulic cylinder of driving front foot lifting and the rear foot hydraulic cylinder of driving rear foot lifting on body；Body
The guide rail set along the longitudinal direction is additionally provided with below left and right side, organism bottom left and right side is provided with the guide rail with guide rail parallel
Hydraulic cylinder, the guide rail hydraulic cylinder are slidably mounted on the guide rail of respective side and pass through the back-and-forth motion of itself telescopic band motivation body.
2. the mechanism that leapfrogs according to claim 1 based on stair-climbing wheel chair, it is characterised in that：The guide rail bottom pad
There is sleeper, sleeper bottom side is coated with rubber.
3. the mechanism that leapfrogs according to claim 1 based on stair-climbing wheel chair, it is characterised in that：Guide rail hydraulic cylinder top
By former and later two angled seats organism bottom is connected to through bolt and nut；Guide rail cylinder lower is by former and later two angled seats through bolt
Nut is connected on the sliding block being slidably matched with guide rail.
4. the mechanism that leapfrogs according to claim 3 based on stair-climbing wheel chair, it is characterised in that：Guide rail is provided at both ends with
Baffle, the telescopic rod driving end of guide rail hydraulic cylinder are connected on the baffle of guide rail rear end.
5. the mechanism that leapfrogs according to claim 1 based on stair-climbing wheel chair, it is characterised in that：It is additionally provided on body
Hydraulic pump and respectively controlling the first solenoid valve of front foot hydraulic cylinder, rear foot hydraulic cylinder and guide rail hydraulic cylinder, the second electromagnetism
Valve and the 3rd solenoid valve；First solenoid valve, second solenoid valve and the 3rd solenoid valve are three position four-way electromagnetic valve.
6. the mechanism that leapfrogs according to claim 1 based on stair-climbing wheel chair, it is characterised in that：It is set in the front foot
There are two front truckles on the first from left right side, two rear truckles on the first from left right side are also equipped on the rear foot；The axial line of front truckle and a left side
Right direction is parallel, and the axial line of rear truckle is parallel with front-rear direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720434186.0U CN207445133U (en) | 2017-04-24 | 2017-04-24 | The mechanism that leapfrogs based on stair-climbing wheel chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720434186.0U CN207445133U (en) | 2017-04-24 | 2017-04-24 | The mechanism that leapfrogs based on stair-climbing wheel chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207445133U true CN207445133U (en) | 2018-06-05 |
Family
ID=62247026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720434186.0U Expired - Fee Related CN207445133U (en) | 2017-04-24 | 2017-04-24 | The mechanism that leapfrogs based on stair-climbing wheel chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207445133U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110884551A (en) * | 2019-12-26 | 2020-03-17 | 刘国华 | Stair climbing vehicle |
| CN114176926A (en) * | 2022-01-05 | 2022-03-15 | 浙江工业大学 | Multi-scene wheel-track composite electric wheelchair |
-
2017
- 2017-04-24 CN CN201720434186.0U patent/CN207445133U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110884551A (en) * | 2019-12-26 | 2020-03-17 | 刘国华 | Stair climbing vehicle |
| CN114176926A (en) * | 2022-01-05 | 2022-03-15 | 浙江工业大学 | Multi-scene wheel-track composite electric wheelchair |
| CN114176926B (en) * | 2022-01-05 | 2024-02-02 | 浙江工业大学 | Multi-scene wheel-track composite electric wheelchair |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 Termination date: 20210424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |