CN204411128U - The quick adjustable back device of a kind of electric wheel-chair vehicle - Google Patents
The quick adjustable back device of a kind of electric wheel-chair vehicle Download PDFInfo
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- CN204411128U CN204411128U CN201520045966.7U CN201520045966U CN204411128U CN 204411128 U CN204411128 U CN 204411128U CN 201520045966 U CN201520045966 U CN 201520045966U CN 204411128 U CN204411128 U CN 204411128U
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- electric wheel
- chair vehicle
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- swivel plate
- alignment pin
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Abstract
This utility model relates to the quick adjustable back device of a kind of electric wheel-chair vehicle, comprise electric wheel-chair vehicle seat support, electric wheel-chair vehicle back bracket, it is characterized in that, described electric wheel-chair vehicle seat support and electric wheel-chair vehicle back bracket are provided with for regulating electric wheel-chair vehicle back bracket relative to the backrest angle adjusting device at electric wheel-chair vehicle seat support angle of inclination, described backrest angle adjusting device comprises holder, the swivel plate hinged with holder, the locating hole that holder is arranged, the two or more adjustment hole that swivel plate is arranged, the movable alignment pin inserting locating hole and adjustment hole of energy, be arranged on the elastic component on alignment pin, the pulling force assembly stretched is carried out for driving alignment pin.This utility model compensate for the disadvantage without recliner of existing electric wheel-chair vehicle, takes advantage of a person by the operation of hands or foot, can carry out convenient and swift adjustment, make to take advantage of a person to obtain comfortable sitting posture to electric wheel-chair vehicle backrest.
Description
Technical field
This utility model relates to electric wheel-chair vehicle, is specifically related to the quick adjustable back device of a kind of electric wheel-chair vehicle.
Background technology
Electric wheel-chair vehicle is on the basis of traditional manual wheelchair, the parts transformation and upgrade such as superposition Power Drive Unit, smart steering device, power supply.Hand control intelligent controller, actions such as wheelchair just can being driven to complete advance, retreat, turn to, stand, lie low.Nowadays, electric wheel-chair vehicle has become handicapped old people, the indispensable walking-replacing tool of people with disability, for the trip of old people, people with disability or the crowd such as weak and sickly and daily life provide convenient.For the crowd of life-time service wheel-chair, the seat comfort performance of wheel-chair is also importance, an importance of seat comfort performance is the comfortableness of backrest inclination angle, but existing electric wheel-chair vehicle lacks backrest inclination angle regulation device, as notification number: CN 102451063A " electric wheel-chair vehicle ", it can realize the functions such as front tread is adjustable, rear wheel drive, rear-axle steering and height of seat are adjustable, and there is no backrest inclination angle regulation device; Notification number: CN 102764185A " electric wheel-chair vehicle ", can make chair seat frame, the chair back and pedal three fold, and saves collection space, but also without backrest inclination angle regulation device.
Summary of the invention
This utility model is for the disadvantage without recliner of existing electric wheel-chair vehicle, provide the quick adjustable back device of a kind of electric wheel-chair vehicle, take advantage of a person by the operation of hands or foot, convenient and swift adjustment can be carried out to electric wheel-chair vehicle backrest, make to take advantage of a person to obtain comfortable sitting posture.
Foregoing invention object of the present utility model is achieved through the following technical solutions: the quick adjustable back device of a kind of electric wheel-chair vehicle, comprise electric wheel-chair vehicle seat support, electric wheel-chair vehicle back bracket, it is characterized in that, described electric wheel-chair vehicle seat support and electric wheel-chair vehicle back bracket are provided with for regulating electric wheel-chair vehicle back bracket relative to the backrest angle adjusting device at electric wheel-chair vehicle seat support angle of inclination, described backrest angle adjusting device comprises two holders be fixed on electric wheel-chair vehicle seat support, two swivel plates that are fixed on electric wheel-chair vehicle back bracket two end hinged separately with two holders, the locating hole that holder is arranged, the adjustment hole that the two or more that swivel plate is arranged can be alignd with locating hole, movablely can insert the locating hole of alignment and the alignment pin of adjustment hole, be arranged on the elastic component on alignment pin, the pulling force assembly stretched is carried out for driving alignment pin, described pulling force assembly extends to the front end of electric wheel-chair vehicle seat support from alignment pin.
As preferably, described alignment pin is by the supports support that holder is arranged, and described elastic component is spring.
As preferably, described pulling force assembly comprise be connected with alignment pin steel wire rope, wire rope casing, the connecting steel wire ropes other end adjustment handle or regulate pedal, be fixed on the front end of electric wheel-chair vehicle seat support and supporting steel wire rope sleeve and regulate handle or regulate the bracing frame of pedal simultaneously.
As preferably, described holder hinging rotary plate refers to that the Lower Half of described swivel plate is flat fanning strip, holder be axially arranged with a swivel plate mounting groove mated with the Lower Half of swivel plate, holder is provided with swivel plate installation shaft, and swivel plate moves cooperation and is contained in swivel plate installation shaft.
As preferably, described holder hinging rotary plate refers to that the Lower Half of described swivel plate is flat fanning strip, holder be axially arranged with a swivel plate mounting groove mated with the Lower Half of swivel plate, holder is provided with swivel plate installation shaft, and swivel plate moves cooperation and is contained in swivel plate installation shaft.
As preferably, the support member that described holder is arranged is hollow circular-tube holder being arranged a transverse direction.
This utility model compared with prior art tool has the following advantages: it utilizes the position change backrest angle between the locating hole of backrest angle adjusting device, adjustment hole, alignment pin three, adjustment process is very simple, only need to stir with hands gently to regulate handle or the lower adjustment pedal that tramps with one's feet, just can realize the adjustment to seat and backrest angulation; Meanwhile, the External Force Acting of adjusting device point is arranged on the front end of seat by this utility model, and user is sitting on wheel-chair just can singlehanded or single foot operation be done to regulate backrest angle at any time, to obtain comfortable sitting posture.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is explosive view of the present utility model.
Number in the figure is: 1-electric wheel-chair vehicle seat support, 2-electric wheel-chair vehicle back bracket, 3-backrest angle adjusting device, 31-holder, 32-swivel plate, 33-alignment pin, 34-hollow circular-tube, 35-spring, 36-locating hole, 37-adjustment hole, 38-swivel plate mounting groove, 39-swivel plate installation shaft, 4-pulling force assembly, 41-steel wire rope, 42-wire rope casing, 43-regulates handle, 44-bracing frame.
Detailed description of the invention
Below in conjunction with the embodiment represented by accompanying drawing 1-2, this utility model is further described: comprise electric wheel-chair vehicle seat support 1, electric wheel-chair vehicle back bracket 2, described electric wheel-chair vehicle seat support 1 and electric wheel-chair vehicle back bracket 2 are provided with for regulating electric wheel-chair vehicle back bracket 2 relative to the backrest angle adjusting device 3 at electric wheel-chair vehicle seat support 1 angle of inclination.Described backrest angle adjusting device 3 comprises two holders 31 be fixed on electric wheel-chair vehicle seat support 1, two swivel plates 32 that are fixed on electric wheel-chair vehicle back bracket 2 two end hinged separately with two holders 31, the locating hole 36 that holder 31 is arranged, five adjustment holes 37 that can align with locating hole 36 that swivel plate 32 is arranged, movablely can insert the locating hole 36 of alignment and the alignment pin 33 of adjustment hole 37, be arranged on the elastic component on alignment pin 33, the pulling force assembly 4 stretched is carried out for driving alignment pin 33, described pulling force assembly 4 extends to the front end of electric wheel-chair vehicle seat support 1 from alignment pin 33.Described alignment pin 33 is by the supports support that holder 31 is arranged, and this support member is the hollow circular-tube 34 holder 31 being arranged a transverse direction.Described elastic component is a spring 35, and this spring 35 is stuck between alignment pin 33 and hollow circular-tube, near the semiclosed end of hollow circular-tube 34.Described holder 31 hinging rotary plate 32 refers to that the Lower Half of swivel plate 31 is flat fanning strip, and adjustment hole 37 is by circular arc arrangement; Described holder 31 be axially arranged with a swivel plate mounting groove 38 mated with the Lower Half of swivel plate 32, holder 31 is provided with swivel plate 32 installation shaft 39, and swivel plate 32 moves cooperation and is contained in swivel plate 32 installation shaft 39.Described pulling force assembly 4 comprise be connected with alignment pin 33 steel wire rope 41, wire rope casing 42, connecting steel wire ropes 41 other end adjustment handle 43, be fixed on electric wheel-chair vehicle seat support 1 front end and simultaneously supporting steel wire rope sleeve 42 and regulate the bracing frame 44 of handle 43.
The concrete behaviour that the present embodiment is contained on electric wheel-chair vehicle uses as follows: when regulating handle 43 action, can affect steel wire rope 41 action, and then making alignment pin 33 produce stretching motion.When alignment pin 33 is in the state of stretching out, then alignment pin 33 is connected between locating hole 36 and adjustment hole 37, and namely holder 31 is relative with the position of swivel plate 32 fixing; When alignment pin 33 is in retracted mode, then alignment pin 33 has departed from locating hole 36 and adjustment hole 37, and namely swivel plate 32 can swing centered by swivel plate installation shaft 39, to regulate backrest entirety and seat angulation; During adjusting angle, needed for reality, select suitable adjustment hole 37 to align with locating hole 36, finally again alignment pin 33 is inserted between locating hole 36 and adjustment hole 37.
Specific embodiment described in literary composition is only to the explanation for example of this utility model protection domain as defined in the claims; this utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from this utility model protection domain as defined in the claims.
Claims (9)
1. the quick adjustable back device of electric wheel-chair vehicle, comprise electric wheel-chair vehicle seat support, electric wheel-chair vehicle back bracket, it is characterized in that, described electric wheel-chair vehicle seat support and electric wheel-chair vehicle back bracket are provided with for regulating electric wheel-chair vehicle back bracket relative to the backrest angle adjusting device at electric wheel-chair vehicle seat support angle of inclination, described backrest angle adjusting device comprises two holders be fixed on electric wheel-chair vehicle seat support, two swivel plates that are fixed on electric wheel-chair vehicle back bracket two end hinged separately with two holders, the locating hole that holder is arranged, the adjustment hole that the two or more that swivel plate is arranged can be alignd with locating hole, movablely can insert the locating hole of alignment and the alignment pin of adjustment hole, be arranged on the elastic component on alignment pin, the pulling force assembly stretched is carried out for driving alignment pin, described pulling force assembly extends to the front end of electric wheel-chair vehicle seat support from alignment pin.
2. the quick adjustable back device of a kind of electric wheel-chair vehicle according to claim 1, is characterized in that, described alignment pin is by the supports support that holder is arranged, and described elastic component is spring.
3. the quick adjustable back device of a kind of electric wheel-chair vehicle according to claim 1 and 2, it is characterized in that, described pulling force assembly comprise be connected with alignment pin steel wire rope, wire rope casing, the connecting steel wire ropes other end adjustment handle or regulate pedal, be fixed on the front end of electric wheel-chair vehicle seat support and common support wire rope casing and regulate handle or regulate the bracing frame of pedal.
4. the quick adjustable back device of a kind of electric wheel-chair vehicle according to claim 1 and 2, it is characterized in that, described holder hinging rotary plate refers to that the Lower Half of described swivel plate is flat fanning strip, holder be axially arranged with a swivel plate mounting groove mated with the Lower Half of swivel plate, holder is provided with swivel plate installation shaft, and swivel plate moves cooperation and is contained in swivel plate installation shaft.
5. the quick adjustable back device of a kind of electric wheel-chair vehicle according to claim 3, it is characterized in that, described holder hinging rotary plate refers to that the Lower Half of described swivel plate is flat fanning strip, holder be axially arranged with a swivel plate mounting groove mated with the Lower Half of swivel plate, holder is provided with swivel plate installation shaft, and swivel plate moves cooperation and is contained in swivel plate installation shaft.
6. the quick adjustable back device of a kind of electric wheel-chair vehicle according to claim 2, is characterized in that, the support member that described holder is arranged is hollow circular-tube holder being arranged a transverse direction.
7. the quick adjustable back device of a kind of electric wheel-chair vehicle according to claim 3, is characterized in that, the support member that described holder is arranged is hollow circular-tube holder being arranged a transverse direction.
8. the quick adjustable back device of a kind of electric wheel-chair vehicle according to claim 4, is characterized in that, the support member that described holder is arranged is hollow circular-tube holder being arranged a transverse direction.
9. the quick adjustable back device of a kind of electric wheel-chair vehicle according to claim 5, is characterized in that, the support member that described holder is arranged is hollow circular-tube holder being arranged a transverse direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520045966.7U CN204411128U (en) | 2015-01-22 | 2015-01-22 | The quick adjustable back device of a kind of electric wheel-chair vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520045966.7U CN204411128U (en) | 2015-01-22 | 2015-01-22 | The quick adjustable back device of a kind of electric wheel-chair vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204411128U true CN204411128U (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520045966.7U Active CN204411128U (en) | 2015-01-22 | 2015-01-22 | The quick adjustable back device of a kind of electric wheel-chair vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN204411128U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719385A (en) * | 2017-10-11 | 2018-02-23 | 长治市潞安合力机械有限责任公司 | A kind of monkey car seat with backrest |
-
2015
- 2015-01-22 CN CN201520045966.7U patent/CN204411128U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719385A (en) * | 2017-10-11 | 2018-02-23 | 长治市潞安合力机械有限责任公司 | A kind of monkey car seat with backrest |
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| GR01 | Patent grant |