CN207970202U - A kind of folding wheel chair and its locking device - Google Patents
A kind of folding wheel chair and its locking device Download PDFInfo
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- CN207970202U CN207970202U CN201720621936.5U CN201720621936U CN207970202U CN 207970202 U CN207970202 U CN 207970202U CN 201720621936 U CN201720621936 U CN 201720621936U CN 207970202 U CN207970202 U CN 207970202U
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- positioning pin
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- hinged
- lock cylinder
- resetting spring
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Abstract
The utility model provides a kind of folding wheel chair and its locking device,Belong to field of vehicles,Seat frame is hinged on back rest,One end of seat frame and rear wheel fulcrum bar is hinged,And sliding shoe is sliding combined on rear wheel fulcrum bar,One end of seat frame and front-wheel strut is hinged,Also there is front-wheel connecting rod between sliding shoe and front-wheel strut,The lower end of sliding shoe and back rest is hinged,Lock cylinder is fixed on back rest lower part,Positioning pin and resetting spring are mounted in lock cylinder,Resetting spring is sleeved on the periphery of positioning pin,One end of resetting spring and one end of lock cylinder offset,The other end of resetting spring offsets with positioning pin or the locating part being fixed on positioning pin,One end of lock cylinder has guide hole,The guide hole of lock cylinder is stretched out in one end of positioning pin,There is the location hole with positioning pin corresponding matching on rear wheel fulcrum bar,One end of positioning pin is fixedly connected with one end of drawstring.Folding wheel chair provided by the utility model pack up it is rear small, and fold it is very convenient.
Description
Technical field
The utility model is related to technical field of transportation means, are filled in particular to a kind of folding wheel chair and its locking
It sets.
Background technology
People help handicapped people to be moved easily, movable set using electric wheel-chair vehicle and wheel-chair etc. are various at present
Standby, although general wheel-chair provides the convenience in user's progress, when movable over long distances, but can not be folded when its use
It folds, so that wheel-chair when not in use, occupies sizable space, causes to transport and store have great inconvenience.
Although wheel-chair is designed as assembling and dismantling structure by someone, so that wheel-chair can will be received after wheel-chair dismantling appropriate when not in use
It closes, to reduce wheel-chair occupied space, but fairly time consuming inconvenience during assembling and dismantling, so that existing wheel-chair is still deposited in folding
There is sizable room for improvement.
Utility model content
The utility model provides a kind of locking device, it is intended to solve wheel-chair existing for reinforcer in the prior art and fold
Inconvenient problem.
The utility model provides a kind of folding wheel chair, it is intended to solve wheel-chair folding existing for reinforcer in the prior art
Folded inconvenience, and the problem that occupied space is larger.
A kind of locking device, improvement are：
A, it is mounted in the lock cylinder including positioning pin, resetting spring and lock cylinder, the positioning pin and the resetting spring,
The resetting spring is sleeved on the periphery of positioning pin, and one end of the resetting spring and one end of the lock cylinder offset, the reset
The other end of spring offsets with the positioning pin or the locating part being fixed on the positioning pin, and one end of the lock cylinder, which has, leads
The guide hole of the lock cylinder is stretched out in the one end in hole, the positioning pin；
B, one end of the positioning pin is fixedly connected with one end of drawstring.
In the above-mentioned technical solutions, the other end of the drawstring is fixedly connected with pulling block.
In the above-mentioned technical solutions, the other end of the drawstring is fixedly connected with grasping piece.
The another technical solution of the utility model is：A kind of folding wheel chair has back rest, seat frame, front-wheel branch
Bar, front component, rear wheel fulcrum bar and wheel assembly, the seat frame are hinged on back rest, and improvement is：
A, one end of the seat frame and the rear wheel fulcrum bar is hinged, and sliding shoe is sliding combined on rear wheel fulcrum bar, institute
The one end for stating seat frame and the front-wheel strut is hinged, also has front-wheel connecting rod between the sliding shoe and the front-wheel strut,
One end of the front-wheel connecting rod is hinged on front-wheel strut, and the other end is hinged on sliding shoe；
B, the lower end of the sliding shoe and back rest is hinged；
C, also there is locking device, the locking device includes positioning pin, resetting spring and lock cylinder, and the lock cylinder is fixed on
Back rest lower part, the positioning pin and the resetting spring are mounted in the lock cylinder, and the resetting spring is sleeved on positioning pin
Periphery, one end of the resetting spring and one end of the lock cylinder offset, the other end of the resetting spring and the positioning pin
Or the locating part being fixed on the positioning pin offsets, there is guide hole, one end of the positioning pin to stretch out for one end of the lock cylinder
The guide hole of the lock cylinder has the location hole with the positioning pin corresponding matching on the rear wheel fulcrum bar；
D, one end of the positioning pin is fixedly connected with one end of drawstring.
In the above-mentioned technical solutions, the other end of the drawstring is fixedly connected with pulling block, and the pulling block setting is leaned on described
In backrest.
In the above-mentioned technical solutions, the other end of the drawstring stretches out the inner cavity of back rest and is fixedly connected with grasping piece,
The drawstring is located in the inner cavity of back rest.
In the above-mentioned technical solutions, the front component is fixedly connected on the other end of the front-wheel strut, the trailing wheel
Component is fixedly connected on the other end of the rear wheel fulcrum bar.
In the above-mentioned technical solutions, two middle side parts of the seat frame all have hinge stent, one end of the front-wheel strut
It is hinged on the hinge stent with one end of the rear wheel fulcrum bar.
In the above-mentioned technical solutions, also there is handrail, the handrail to be hinged on back rest, and described on the back rest
Also there is handrail strut, one end of the handrail strut is hinged on the handrail, described to help between handrail and the seat frame
The other end of hand strut is hinged on the seat frame.
In the above-mentioned technical solutions, electric drive transmission parts, the electric drive driving section are fitted on the front component
Part is connect with the front wheel drive, and the electric drive transmission parts are electrically connected with the electric controller that the handrail is equipped with.
The utility model has the beneficial effects that：
The locking device that the utility model is obtained by above-mentioned design only needs to pull to draw using rear on folding wheel chair
The control to locking device can be realized in rope, very convenient.
The folding wheel chair that the utility model is obtained by above-mentioned design can easily fold wheel-chair,
And wheel-chair the space occupied can be greatly reduced.
Description of the drawings
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
The restriction to range is should be considered as, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the stereoscopic schematic diagram of folding wheel chair in the utility model；
Fig. 2 is the schematic front view of folding wheel chair in the utility model；
Fig. 3 is status diagram of folding wheel chair during packing up in the utility model；
Fig. 4 is the status diagram after folding wheel chair is packed up in the utility model；
Fig. 5 is the A-A schematic cross-sectional views of Fig. 2；
Fig. 6 is the locking state schematic diagram that locking device uses pulling block embodiment in the utility model；
Fig. 7 is the relieving status diagram that locking device uses pulling block embodiment in the utility model.
Icon：100- back rests；200- seat frames；210- hinge stents；310- front-wheel struts；320- front components；321-
Electric drive transmission parts；330- front-wheel connecting rods；410- rear wheel fulcrum bars；411- location holes；420- wheel assemblies；500- handrails；
510- handrail struts；600- sliding shoes；700- locking devices；710- positioning pins；711- drawstrings；720- resetting springs；730- locks
Cylinder；731- guide holes；800- pulling blocks；810- rope races.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on this practicality
Embodiment in novel, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.Therefore, the implementation to the utility model provided in the accompanying drawings below
The detailed description of mode is not intended to limit claimed the scope of the utility model, but is merely representative of the utility model
Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under the premise of dynamic, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that the term of indicating position or position relationship is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or imply institute
The equipment or element of finger must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this reality
With novel limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be
Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right over two features and oblique upper, or be merely representative of fisrt feature level height and be higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level
Height is less than second feature.
Embodiment one.
A kind of locking device 700 please participate in legend 1~8, including positioning pin 710, resetting spring 720 and lock cylinder 730, fixed
Position pin 710 and resetting spring 720 are mounted in lock cylinder 730, and resetting spring 720 is sleeved on the periphery of positioning pin 710, resetting spring
720 one end and one end of lock cylinder 730 offset, and the other end of resetting spring 720 and positioning pin 710 or are fixed on positioning pin 710
On locating part offset, there is guide hole 731, one end of positioning pin 710 to stretch out the guide hole 731 of lock cylinder 730 for one end of lock cylinder 730,
One end of positioning pin 710 is fixedly connected with drawstring 711.
Legend 8~11 is please referred to, the other end of drawstring 711 is fixedly connected with pulling block 800, and there are two ropes for the interior tool of pulling block 800
Road 810, one end of drawstring 711 have a knot, drawstring 711 pass through rope race 810 and knot be stuck in pulling block 800 rope race 810 road
At mouthful.
The present embodiment provides locking devices 700 when needing to decontrol, and the drop-down of pulling block 800 can be pulled drawstring 711, drawstring
711 pull positioning pin 710, at the positioning before making positioning pin 710 be detached from, you can the relieving to locking device 700 are realized, when not
When needing to decontrol, resetting spring 720 pushes positioning pin 710 that its reset is made to be re-inserted at positioning under the action of elastic force.
Embodiment two.
A kind of locking device 700 please participate in legend 1~8, including positioning pin 710, resetting spring 720 and lock cylinder 730, fixed
Position pin 710 and resetting spring 720 are mounted in lock cylinder 730, and resetting spring 720 is sleeved on the periphery of positioning pin 710, resetting spring
720 one end and one end of lock cylinder 730 offset, and the other end of resetting spring 720 and positioning pin 710 or are fixed on positioning pin 710
On locating part offset, there is guide hole 731, one end of positioning pin 710 to stretch out the guide hole 731 of lock cylinder 730 for one end of lock cylinder 730,
One end of positioning pin 710 is fixedly connected with drawstring 711.
The other end of drawstring 711 is fixedly connected with grasping piece, and grasping piece is draw ring and is used for while pulling two drawstrings
711, it is just more convenient that locking device 700 is unlocked in this way.
The present embodiment provides locking devices 700 when needing to decontrol, and pulls grasping piece that can pull drawstring 711, drawstring 711
Positioning pin 710 is pulled, at the positioning before making positioning pin 710 be detached from, you can realize the relieving to locking device 700, work as needs
When locking, resetting spring 720 pushes positioning pin 710 that its reset is made to be re-inserted at positioning under the action of elastic force, you can
Complete locking.
Embodiment three.
A kind of folding wheel chair please join sketch map 1~5, have back rest 100, seat frame 200, front-wheel strut 310, front-wheel
Component 320, rear wheel fulcrum bar 410 and wheel assembly 420, seat frame 200 are hinged on back rest 100, seat frame 200 and trailing wheel branch
One end of bar 410 is hinged, and sliding shoe 600 is sliding combined on rear wheel fulcrum bar 410, seat frame 200 and front-wheel strut 310
One end is hinged, also has front-wheel connecting rod 330 between sliding shoe 600 and front-wheel strut 310, one end of front-wheel connecting rod 330 is hinged on
On front-wheel strut 310, the other end is hinged on sliding shoe 600, and sliding shoe 600 and the lower end of back rest 100 are hinged.
Also there is locking device 700, locking device 700 to be located at the lower part of back rest 100, locking device 700 includes positioning
Pin 710, resetting spring 720 and lock cylinder 730, lock cylinder 730 are fixed on 100 lower part of back rest, positioning pin 710 and resetting spring 720
It is mounted in lock cylinder 730, resetting spring 720 is sleeved on the periphery of positioning pin 710, one end and the lock cylinder 730 of resetting spring 720
One end offsets, and the other end and the positioning pin 710 or the locating part being fixed on positioning pin 710 of resetting spring 720 offset, lock cylinder
There is guide hole 731, one end of positioning pin 710 to stretch out the guide hole 731 of lock cylinder 730 for 730 one end, have on rear wheel fulcrum bar 410 with
One end of the location hole 411 of 710 corresponding matching of positioning pin, positioning pin 710 is fixedly connected with drawstring 711.
Legend 8~11 is please referred to, the other end of drawstring 711 is fixedly connected with pulling block 800, and pulling block 800 is arranged in back rest
On 100, there are two rope races 810, one end of drawstring 711, and there is knot, drawstring 711 to pass through rope race 810 and restrict for tool in pulling block 800
Knot is stuck at the road junction of rope race 810 of pulling block 800.
When needing to pack up the present embodiment provides folding wheel chair, Fig. 2,3,4 are please referred to, pulling block 800 is pulled down and then pulled
Drawstring 711, drawstring 711 pull positioning pin 710, and the location hole 411 before making positioning pin 710 be detached from is realized to locking device
700 relieving, sliding shoe 600 can move freely on rear wheel fulcrum bar 410 after locking device 700 unclamps, then by sliding shoe
600 move down along rear wheel fulcrum bar 410, and sliding shoe 600 drives the lower part of the back rest 100 hinged with it to move down at this time, backrest
Frame 100 and rear wheel fulcrum bar 410, which are gradually drawn close to seat frame 200, to be packed up, and front-wheel strut 310 is in front-wheel connecting rod 330 at this time
Seat frame 200 is close under drive backward, when back rest 100 and front-wheel strut 310 are bonded with seat frame 200, fold and completes.
Example IV.
A kind of folding wheel chair please join sketch map 1~5, have back rest 100, seat frame 200, front-wheel strut 310, front-wheel
Component 320, rear wheel fulcrum bar 410 and wheel assembly 420, seat frame 200 are hinged on back rest 100, seat frame 200 and trailing wheel branch
One end of bar 410 is hinged, and sliding shoe 600 is sliding combined on rear wheel fulcrum bar 410, seat frame 200 and front-wheel strut 310
One end is hinged, also has front-wheel connecting rod 330 between sliding shoe 600 and front-wheel strut 310, one end of front-wheel connecting rod 330 is hinged on
On front-wheel strut 310, the other end is hinged on sliding shoe 600, and sliding shoe 600 and the lower end of back rest 100 are hinged.
Also there is locking device 700, locking device 700 to be located at the lower part of back rest 100, locking device 700 includes positioning
Pin 710, resetting spring 720 and lock cylinder 730, lock cylinder 730 are fixed on 100 lower part of back rest, positioning pin 710 and resetting spring 720
It is mounted in lock cylinder 730, resetting spring 720 is sleeved on the periphery of positioning pin 710, one end and the lock cylinder 730 of resetting spring 720
One end offsets, and the other end and the positioning pin 710 or the locating part being fixed on positioning pin 710 of resetting spring 720 offset, lock cylinder
There is guide hole 731, one end of positioning pin 710 to stretch out the guide hole 731 of lock cylinder 730 for 730 one end, have on rear wheel fulcrum bar 410 with
One end of the location hole 411 of 710 corresponding matching of positioning pin, positioning pin 710 is fixedly connected with drawstring 711.
The other end of drawstring 711 stretches out the inner cavity of back rest 100 and is fixedly connected with grasping piece, and drawstring 711 is located at backrest
In the inner cavity of frame 100, grasping piece is that draw ring is used for while pulling two drawstrings 711, and it is just more square to unlock locking device 700 in this way
Just.
When needing to pack up the present embodiment provides folding wheel chair, Fig. 2,3,4 are please referred to, pulling block 800 is pulled down and then pulled
Drawstring 711, drawstring 711 pull positioning pin 710, and the location hole 411 before making positioning pin 710 be detached from is realized to locking device
700 relieving, sliding shoe 600 can move freely on rear wheel fulcrum bar 410 after locking device 700 unclamps, then by sliding shoe
600 move down along rear wheel fulcrum bar 410, and sliding shoe 600 drives the lower part of the back rest 100 hinged with it to move down at this time, backrest
Frame 100 and rear wheel fulcrum bar 410, which are gradually drawn close to seat frame 200, to be packed up, and front-wheel strut 310 is in front-wheel connecting rod 330 at this time
Seat frame 200 is close under drive backward, when back rest 100 and front-wheel strut 310 are bonded with seat frame 200, fold and completes.
Embodiment five.
A kind of folding wheel chair please join sketch map 1~5, have back rest 100, seat frame 200, front-wheel strut 310, front-wheel
Component 320, rear wheel fulcrum bar 410 and wheel assembly 420, seat frame 200 are hinged on back rest 100, seat frame 200 and trailing wheel branch
One end of bar 410 is hinged, and sliding shoe 600 is sliding combined on rear wheel fulcrum bar 410, seat frame 200 and front-wheel strut 310
One end is hinged, also has front-wheel connecting rod 330 between sliding shoe 600 and front-wheel strut 310, one end of front-wheel connecting rod 330 is hinged on
On front-wheel strut 310, the other end is hinged on sliding shoe 600, and sliding shoe 600 and the lower end of back rest 100 are hinged.
Also there is locking device 700, locking device 700 to be located at the lower part of back rest 100, locking device 700 includes positioning
Pin 710, resetting spring 720 and lock cylinder 730, lock cylinder 730 are fixed on 100 lower part of back rest, positioning pin 710 and resetting spring 720
It is mounted in lock cylinder 730, resetting spring 720 is sleeved on the periphery of positioning pin 710, one end and the lock cylinder 730 of resetting spring 720
One end offsets, and the other end and the positioning pin 710 or the locating part being fixed on positioning pin 710 of resetting spring 720 offset, lock cylinder
There is guide hole 731, one end of positioning pin 710 to stretch out the guide hole 731 of lock cylinder 730 for 730 one end, have on rear wheel fulcrum bar 410 with
One end of the location hole 411 of 710 corresponding matching of positioning pin, positioning pin 710 is fixedly connected with drawstring 711.
Front component 320 is fixedly connected on the other end of front-wheel strut 310, and wheel assembly 420 is fixedly connected on trailing wheel branch
The other end of bar 410.
Two middle side parts of seat frame 200 all have hinge stent 210, one end of front-wheel strut 310 and the one of rear wheel fulcrum bar 410
End is hinged on hinge stent 210.
When needing to pack up the present embodiment provides folding wheel chair, Fig. 2,3,4 are please referred to, pulling block 800 is pulled down and then pulled
Drawstring 711, drawstring 711 pull positioning pin 710, and the location hole 411 before making positioning pin 710 be detached from is realized to locking device
700 relieving, sliding shoe 600 can move freely on rear wheel fulcrum bar 410 after locking device 700 unclamps, then by sliding shoe
600 move down along rear wheel fulcrum bar 410, and sliding shoe 600 drives the lower part of the back rest 100 hinged with it to move down at this time, backrest
Frame 100 and rear wheel fulcrum bar 410, which are gradually drawn close to seat frame 200, to be packed up, and front-wheel strut 310 is in front-wheel connecting rod 330 at this time
Seat frame 200 is close under drive backward, when back rest 100 and front-wheel strut 310 are bonded with seat frame 200, fold and completes.
Embodiment six.
A kind of folding wheel chair please join sketch map 1~5, have back rest 100, seat frame 200, front-wheel strut 310, front-wheel
Component 320, rear wheel fulcrum bar 410 and wheel assembly 420, seat frame 200 are hinged on back rest 100, seat frame 200 and trailing wheel branch
One end of bar 410 is hinged, and sliding shoe 600 is sliding combined on rear wheel fulcrum bar 410, seat frame 200 and front-wheel strut 310
One end is hinged, also has front-wheel connecting rod 330 between sliding shoe 600 and front-wheel strut 310, one end of front-wheel connecting rod 330 is hinged on
On front-wheel strut 310, the other end is hinged on sliding shoe 600, and sliding shoe 600 and the lower end of back rest 100 are hinged.
Also there is locking device 700, locking device 700 to be located at the lower part of back rest 100, locking device 700 includes positioning
Pin 710, resetting spring 720 and lock cylinder 730, lock cylinder 730 are fixed on 100 lower part of back rest, positioning pin 710 and resetting spring 720
It is mounted in lock cylinder 730, resetting spring 720 is sleeved on the periphery of positioning pin 710, one end and the lock cylinder 730 of resetting spring 720
One end offsets, and the other end and the positioning pin 710 or the locating part being fixed on positioning pin 710 of resetting spring 720 offset, lock cylinder
There is guide hole 731, one end of positioning pin 710 to stretch out the guide hole 731 of lock cylinder 730 for 730 one end, have on rear wheel fulcrum bar 410 with
One end of the location hole 411 of 710 corresponding matching of positioning pin, positioning pin 710 is fixedly connected with drawstring 711.
Also there is handrail 500, handrail 500 is hinged on back rest 100, and handrail 500 and seat frame on back rest 100
Also there is handrail strut 510, one end of handrail strut 510 is hinged on handrail 500, the other end of handrail strut 510 between 200
It is hinged on seat frame 200.
Electric drive transmission parts 321, electric drive transmission parts 321 and front component 320 are fitted on front component 320
It is sequentially connected, and electric drive transmission parts 321 are electrically connected with the electric controller that handrail 500 is equipped with.
When needing to pack up the present embodiment provides folding wheel chair, Fig. 2,3,4 are please referred to, pulling block 800 is pulled down and then pulled
Drawstring 711, drawstring 711 pull positioning pin 710, and the location hole 411 before making positioning pin 710 be detached from is realized to locking device
700 relieving, sliding shoe 600 can move freely on rear wheel fulcrum bar 410 after locking device 700 unclamps, then by sliding shoe
600 move down along rear wheel fulcrum bar 410, and sliding shoe 600 drives the lower part of the back rest 100 hinged with it to move down at this time, backrest
Frame 100 and rear wheel fulcrum bar 410, which are gradually drawn close to seat frame 200, to be packed up, and front-wheel strut 310 is in front-wheel connecting rod 330 at this time
Seat frame 200 is close under drive backward, when back rest 100 and front-wheel strut 310 are bonded with seat frame 200, fold and completes.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of locking device, it is characterised in that：
A, include positioning pin, resetting spring and lock cylinder, the positioning pin and the resetting spring are mounted in the lock cylinder, described
Resetting spring is sleeved on the periphery of positioning pin, and one end of the resetting spring and one end of the lock cylinder offset, the resetting spring
The other end offset with the positioning pin or the locating part being fixed on the positioning pin, one end of the lock cylinder has guide hole,
The guide hole of the lock cylinder is stretched out in one end of the positioning pin；
B, one end of the positioning pin is fixedly connected with one end of drawstring.
2. locking device according to claim 1, it is characterised in that：The other end of the drawstring is fixedly connected with pulling block.
3. locking device according to claim 1, it is characterised in that：The other end of the drawstring is fixedly connected with grasping
Part.
4. a kind of folding wheel chair has back rest, seat frame, front-wheel strut, front component, rear wheel fulcrum bar and wheel assembly,
The seat frame is hinged on back rest, it is characterised in that：
A, one end of the seat frame and the rear wheel fulcrum bar is hinged, and sliding shoe is sliding combined on rear wheel fulcrum bar, the seat
Position frame and one end of the front-wheel strut are hinged, also have front-wheel connecting rod between the sliding shoe and the front-wheel strut, described
One end of front-wheel connecting rod is hinged on front-wheel strut, and the other end is hinged on sliding shoe；
B, the lower end of the sliding shoe and back rest is hinged；
C, also there is locking device, the locking device includes positioning pin, resetting spring and lock cylinder, and the lock cylinder is fixed on backrest
Frame lower part, the positioning pin and the resetting spring are mounted in the lock cylinder, and the resetting spring is sleeved on the periphery of positioning pin,
One end of the resetting spring and one end of the lock cylinder offset, the other end of the resetting spring and the positioning pin or fixation
Locating part on the positioning pin offsets, and there is guide hole, one end of the positioning pin to stretch out the lock for one end of the lock cylinder
The guide hole of cylinder has the location hole with the positioning pin corresponding matching on the rear wheel fulcrum bar；
D, one end of the positioning pin is fixedly connected with one end of drawstring.
5. folding wheel chair according to claim 4, it is characterised in that：The other end of the drawstring is fixedly connected with drawing
Block, the pulling block are arranged on the back rest.
6. folding wheel chair according to claim 4, it is characterised in that：The other end of the drawstring stretches out the interior of back rest
Chamber and it is fixedly connected with grasping piece, the drawstring is located in the inner cavity of back rest.
7. folding wheel chair according to claim 4, it is characterised in that：The front component is fixedly connected on the front-wheel
The other end of strut, the wheel assembly are fixedly connected on the other end of the rear wheel fulcrum bar.
8. folding wheel chair according to claim 4, it is characterised in that：Two middle side parts of the seat frame all have hinged
Frame, one end of the front-wheel strut and one end of the rear wheel fulcrum bar are hinged on the hinge stent.
9. folding wheel chair according to claim 4, it is characterised in that：Also there is handrail on the back rest, it is described to help
Hand is hinged on back rest, and also has handrail strut, one end of the handrail strut between the handrail and the seat frame
It is hinged on the handrail, the other end of the handrail strut is hinged on the seat frame.
10. folding wheel chair according to claim 9, it is characterised in that：Electric drive biography is fitted on the front component
Dynamic component, the electric drive transmission parts are connect with the front wheel drive, and on the electric drive transmission parts and the handrail
The electric controller electrical connection being equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720621936.5U CN207970202U (en) | 2017-05-31 | 2017-05-31 | A kind of folding wheel chair and its locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720621936.5U CN207970202U (en) | 2017-05-31 | 2017-05-31 | A kind of folding wheel chair and its locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207970202U true CN207970202U (en) | 2018-10-16 |
Family
ID=63770536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720621936.5U Active CN207970202U (en) | 2017-05-31 | 2017-05-31 | A kind of folding wheel chair and its locking device |
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| Country | Link |
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| CN (1) | CN207970202U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113730116A (en) * | 2021-09-24 | 2021-12-03 | 浙江爱司米电气有限公司 | Foldable wheelchair |
-
2017
- 2017-05-31 CN CN201720621936.5U patent/CN207970202U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113730116A (en) * | 2021-09-24 | 2021-12-03 | 浙江爱司米电气有限公司 | Foldable wheelchair |
| CN113730116B (en) * | 2021-09-24 | 2024-04-19 | 浙江爱司米电气有限公司 | Foldable wheelchair |
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