CN107970095A - A kind of portable wheelchair - Google Patents
A kind of portable wheelchair Download PDFInfo
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- CN107970095A CN107970095A CN201711353415.7A CN201711353415A CN107970095A CN 107970095 A CN107970095 A CN 107970095A CN 201711353415 A CN201711353415 A CN 201711353415A CN 107970095 A CN107970095 A CN 107970095A
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- wheelchair
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- 238000000429 assembly Methods 0.000 claims description 16
- 230000000712 assembly Effects 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 238000012857 repacking Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
- A61G5/0808—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction
- A61G5/0833—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding front to back, e.g. reducing or expanding the overall depth of the wheelchair
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
- A61G5/0883—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable having locking means for maintaining a folded or unfolded condition
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
- A61G5/0891—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable having rigid supports, e.g. seat or back supports which retain their shape after folding of the wheelchair
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1005—Wheelchairs having brakes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1005—Wheelchairs having brakes
- A61G5/1035—Wheelchairs having brakes manipulated by wheelchair user
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1005—Wheelchairs having brakes
- A61G5/1037—Wheelchairs having brakes manipulated by assisting person
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
- A61G2203/76—General characteristics of devices with special adaptations, e.g. for safety or comfort for nesting or stacking
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Handcart (AREA)
Abstract
The invention discloses a kind of portable wheelchair, has open mode and folded state, including frame module, brake module, seat modular, trailing wheel module, front-wheel module, foot-operated plate module and pull rod module.The brake module is arranged at the rear end of the frame module, the seat modular is arranged at the middle part of the frame module up, the trailing wheel module is arranged at the rear portion of the frame module lower end, the front-wheel module is arranged at the front portion of the frame module lower end, the foot-operated plate module is arranged at the front portion of the frame module lower end, the pull rod module runs through the front-end and back-end of frame module, is horizontally disposed with.The present invention meets a variety of demands of the elderly's trip, it is small after folding, it can be placed into the boot of automobile, influence of the complex road condition to the elderly's safety can also be reduced, again can be when the elderly's not wheelchair, fully collapsible invalid's chair is simultaneously carried by pull rod.
Description
Technical field
The present invention relates to wheelchair field, more particularly to a kind of portable wheelchair.
Background technology
The China of aging is stepped into, with the continuous improvement of material and cultural life, the frequency of the elderly's trip
Progressively increase, it is also increasing to the demand of wheelchair.The purpose of the elderly's trip is varied, it may be possible to, can in order to travel
Can be to see a doctor, it is also possible in order to visit friends and relatives.
In different trip scenes, the elderly needs to ride in an automobile first, subway and other modes of transport is reached apart from destination
Either from parking lot or station to destination, still there is a distance at station in closer parking lot.Riding in an automobile
When, it is necessary to wheelchair is folded, be placed on boot, if wheelchair fold after it is sufficiently bulky, be just likely to put
The boot of automobile is put, influences the trip of the elderly.Existing fully collapsible invalid's chair takes the symmetrical mode toward middle folding,
Volume after folding is still larger, can not be placed into the boot of many automobiles (especially car).
By parking lot this distance that either station arrives at due to existing road, sight spot, hospital or
Cell, which exists, much designs unreasonable place, and the elderly is likely to meet with the fluctuating on road surface and uneven, these all may be used
Risk can be brought to the trip of the elderly.During trip, when especially following the children to play together, the elderly does not wish
Prestige is sitting on wheelchair always, but has the demand of wheelchair above and below repeatedly.For example, at relatively flat road surface, the elderly wishes
Prestige from the wheelchair gets off to walk；And at the more rugged or acclive road surface of tool, the elderly wishes to be sitting in be pushed away on wheelchair
Away.Therefore, when without wheelchair, foldable carry of wheelchair just seems extremely important.
Therefore, those skilled in the art is directed to developing a kind of Portable foldable wheelchair, meets the more of the elderly's trip
Kind demand, it is small after folding, it can be placed into the boot of automobile, complex road condition can also be reduced the elderly is pacified
Full influence, and can be when the elderly's not wheelchair, fully collapsible invalid's chair is simultaneously carried by pull rod.
The content of the invention
In view of the drawbacks described above of the prior art, the technical problems to be solved by the invention are that the further wheelchair that reduces is being rolled over
Size after folded, wheelchair can use hand-held band after folding, easy to go on a journey, reduce complex road condition to the elderly's safety
Influence.
To achieve the above object, the present invention provides a kind of portable wheelchair, there is open mode and folded state, including car
Frame module, brake module, seat modular, trailing wheel module, front-wheel module, foot-operated plate module and pull rod module.Wheelchair is placed in and is beaten
During open state, the frame module can be with fore-aft fold, including left vehicle frame, right vehicle frame, Rear frame and bottom vehicle frame, the left vehicle frame
It is located at the both sides of wheelchair respectively with the right vehicle frame, the bottom vehicle frame connects left vehicle frame, right vehicle frame and Rear frame, the brake mould
Block is arranged at the left and right sides of the Rear frame, the seat modular, including backrest, safety belt, handrail and Chain cushion,
The handrail is located above the left and right sides of the Chain cushion, by connecting rod and screw, is connected with left vehicle frame and right vehicle frame,
The trailing wheel module, at left and right sides of Rear frame, the front-wheel module, positioned at the front side of left vehicle frame and right vehicle frame, the foot
Pedal module, including foot pedal, connecting rod, small hook, the brake module are arranged at the rear end of the frame module, the seat
Chair module is arranged at the middle part of the frame module up, and the trailing wheel module is arranged at the rear portion of the frame module lower end,
The front-wheel module is arranged at the front portion of the frame module lower end, and the foot-operated plate module is arranged at the frame module lower end
Front portion, the pull rod module runs through the front-end and back-end of frame module, is horizontally disposed with, and is fixed on the top of bottom vehicle frame.
Further, the Rear frame, including U-shaped frame, hollow frame, locking device, U-shaped ring, promotion handle, handrail connection
Device, left frame connecting device, right frame connecting device, two U-shaped connectors, the top and middle part of the U-shaped frame have respectively
One connecting rod, connects the both sides of U-shaped frame, and is fixedly connected with U-shaped frame, and at middle part, the centre of connecting rod is fixed with U-shaped ring, pushes away
Dynamic handle is inserted into the left and right of U-shaped frame topmost respectively, and can turn to the inside relative to U-shaped frame.The handrail connection dress
Setting in the middle position of U-shaped frame both sides, it is connected with handrail by screw mechanism, can be relatively rotated between handrail and U-shaped frame,
The left frame connecting device and the right frame connecting device, respectively positioned at the positive lower end of armrest connecting device, pass through screw
Mechanism is connected with left and right vehicle frame, and the hollow frame is located at the underface of U-shaped frame, is connected between the two by locking device, described
Locking device, which has, locks and opens two states, in the locked state, U-shaped frame can be fixedly connected with hollow frame, beaten
Under open state, the connection of U-shaped frame and hollow frame is still kept, but U-shaped frame and hollow frame can relatively rotate, above and below hollow frame
Medium position have a wide cut connecting rod, two U-shaped connectors are fixed with the both sides of wide cut connecting rod, towards wheelchair advance
Direction.
Further, the inside of the U-shaped frame is hollow structure.
Further, the locking device is located at the centre position of the hollow frame upper end.
Further, the right vehicle frame, including T-shaped frame, connecting rod and metal connecting piece, one end of the T-shaped frame is with after
Wheel, Rear frame link together, and Rear frame can be relatively rotated with T-shaped frame, and the T-shaped frame is along wheelchair direction of advance toward top
Extension is tilted, other end is located at the surface of the front-wheel module, passes through pivot with the connecting rod and the metal connecting piece
Axis connection, the other end of the connecting rod are pivotally connected with right frame connecting device, can keep mutual between the two
Rotate, centre and the handrail of the connecting rod are pivotally connected, can keep mutually rotating between the two, the metal connection
Part other end connection front-wheel, the connecting rod positioned at left and right two metal connecting pieces between, and with two metal connecting pieces
It is fixedly connected.
Further, the symmetrical configuration of the left vehicle frame and the right vehicle frame.
Further, the brake module, including first brake control device, control cable, the second braking control device,
Brake assemblies and brake block, the first brake control device are fixed on the promotion handle on Rear frame top, the control cable
Rope connects first brake control device, through Rear frame, is connected with brake assemblies, and second braking control device is positioned at brake
The front side top of component, is fixedly connected by connecting rod with brake assemblies.
Further, the brake assemblies are located at the side lower end of Rear frame.
Further, the front-wheel module, one shares two, respectively positioned at the front side of left vehicle frame and right vehicle frame, Mei Geqian
Taking turns module includes connection component, front-wheel, preceding antirattle spring, and the front-wheel module is fixed by connection component and left and right vehicle frame to be connected
Connect, preceding antirattle spring is symmetrically positioned in the both sides of front-wheel, and the trailing wheel module, one shares two, left positioned at the Rear frame respectively
Right both sides, each trailing wheel module include connection component, trailing wheel, rear antirattle spring, by the connection component and left and right vehicle frame with
And Rear frame is fixed together, the rear antirattle spring is symmetrically positioned in the both sides of trailing wheel.Preferably, front-wheel of the invention and
Trailing wheel uses wider wheel, and such one side wheelchair is more reliable and more stable when advancing, and on the other hand can also avoid wheel
It is caught in depression narrow on ground.
Further, the pull rod module can also be fixed on the lower section of Chain cushion, the advantages of this arrangement are as follows energy
Enough spaces that bigger is vacateed in the frame module below Chain cushion, in favor of the further upgrading or repacking of wheelchair.
The folding mode of the wheelchair of the present invention is different from the left and right folding mode of the prior art.The wheelchair of the prior art passes through
The mode of rumble seat cushion and backrest folds, and usual Chain cushion and backrest are needed using flexibility or than relatively thin
Material (such as canvas), security and comfort be not high.The wheelchair of the present invention passes through folded bicycle by the way of fore-aft fold
The mode of frame module realizes the folding of wheelchair, this aspect cause the wheelchair of the present invention fold after smaller (the left and right width of size
Slightly larger than Chain cushion or the width of backrest), it can be put into easily in the boot of car；On the other hand due to being not required to
Rumble seat cushion or backrest are wanted, thus Chain cushion or backrest can use more thick and solid material, more pacify
It is complete and comfortable.
Two of the wheelchair of the present invention promote handle to turn to the inside relative to U-shaped frame, i.e., by basically perpendicular to U-shaped
The state of two upper ends of frame or so is changed into being basically parallel to the state of U-shaped frame top connecting rod.This rotation is on the one hand to
Easy to folding storage, on the other hand also to promote handle that there are two states, add the security of wheelchair.When promotion handle
In the state of two upper ends of U-shaped frame or so, point of application during wheelchair is promoted to be located at the rear of U-shaped frame, relative to U
Type frame is there are certain arm of force, if to promoting handle to apply a bigger downward power, wheelchair will be tilted, this is not
It is too safe.But wheelchair of the invention additionally provides another state, that is, promote handle to be basically parallel to U-shaped frame top and connect
Extension bar, promotes point of application during wheelchair to be located at the top of U-shaped frame, is substantially not present the arm of force relative to U-shaped frame, i.e., in this case
Make the very big downward power of application one, wheelchair is also not easy to be tilted, this is the security and stabilization for considerably increasing wheelchair
Property.
The first brake control device of the wheelchair of the present invention is used to be braked by trammer in wheelchair traveling process, and
Second braking control device is used to be braked by people by bus in wheelchair traveling process.Usually both are only in the prior art
Vertical, but the first brake control device of the present invention and the second braking control device control same brake assemblies, thus tie
Structure is more simple.
The present invention meets a variety of demands of the elderly's trip, small after folding, can easily be placed into automobile
Boot in, and can be when the elderly's not wheelchair, fully collapsible invalid's chair is simultaneously towed by pull rod, and easy to go on a journey when is taken
Band.
It is described further below with reference to the technique effect of design of the attached drawing to the present invention, concrete structure and generation, with
It is fully understood from the purpose of the present invention, feature and effect.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the preferred embodiment of the present invention；
Fig. 2 is the overall structure diagram (backsight) of the preferred embodiment of the present invention；
Fig. 3 is the Rear frame schematic diagram of the preferred embodiment of the present invention；
Fig. 4 is the overall structure diagram of the preferred embodiment of the present invention (right side regards)；
Fig. 5 is the overall structure diagram of another preferred embodiment of the present invention；
Fig. 6 and Fig. 7 is the folded state schematic diagram of another preferred embodiment of the present invention；
Fig. 8 is the folded state schematic diagram (pull rod pull-out) of another preferred embodiment of the present invention；
Fig. 9 is that the another of another preferred embodiment of the present invention promotes handle view.
Wherein, frame module 1, brake module 2, seat modular 3, trailing wheel module 4, front-wheel module 5, rides plate module 6, draws
Bar module 7, left vehicle frame 11, right vehicle frame 12, Rear frame 13, bottom vehicle frame 14, first brake control device 21, controls cable 22, the
Two braking control devices 23, brake assemblies 24, brake block 25, backrest 31, safety belt 32, handrail 33, Chain cushion 34, even
Connected components 41, trailing wheel 42, rear antirattle spring 43 and 44, connection component 51, front-wheel 52, preceding antirattle spring 53 and 54, foot pedal 61,
Connecting rod 62 and 63, small hook 64 and 65, T-shaped frame 121, connecting rod 122, metal connecting piece 123, U-shaped frame 1301, hollow frame
1302, locking device 1303, U-shaped ring 1304, promotes handle 1305 and 1306, armrest connecting device 1307 and 1308, left vehicle frame
Attachment device 1309, right frame connecting device 1310, U-shaped connector 1311 and 1312, rotating switch 1313, double-deck connecting rod
141, connecting rod 142, U-shaped ring 143.
Embodiment
Multiple preferred embodiments of the present invention are introduced below with reference to Figure of description, make its technology contents more clear and just
In understanding.The present invention can be emerged from by many various forms of embodiments, and protection scope of the present invention not only limits
The embodiment that Yu Wenzhong is mentioned.
In the accompanying drawings, the identical component of structure is represented with same numbers label, everywhere the similar component of structure or function with
Like numeral label represents.The size and thickness of each component shown in the drawings arbitrarily show that the present invention does not limit
The size and thickness of each component.In order to make diagram apparent, the appropriate thickness for exaggerating component in some places in attached drawing.
Embodiment 1
As shown in Figure 1, a kind of portable wheelchair of the present invention, has open mode and folded state, wheelchair is placed in and is beaten
Open state, including frame module 1, brake module 2, seat modular 3, trailing wheel module 4, front-wheel module 5, foot-operated plate module 6 and drawing
Bar module 7.Trailing wheel module 4 is arranged at the rear portion of 1 lower end of frame module, before front-wheel module 5 is arranged at 1 lower end of frame module
Portion, brake module 2 are arranged at the rear end of frame module 1, and are divided into two parts, seat modular 3 up and down and are arranged at frame module 1
Middle part up, foot-operated plate module 6 is arranged at the front portion of 1 lower end of frame module, and pull rod module 7 runs through the front end of frame module 1
And rear end, it is horizontally disposed with, and be arranged on the cross bar of frame module bottom.
Frame module 1, including left vehicle frame 11, right vehicle frame 12, Rear frame 13, bottom vehicle frame 14, left vehicle frame 11 and right vehicle frame 12
It is located at the both sides of wheelchair, the symmetrical configuration of left vehicle frame 11 and right vehicle frame 12 respectively, bottom vehicle frame 14 connects left vehicle frame 11, right vehicle frame 12
With Rear frame 13.Brake module 2, one shares identical two sets, is respectively arranged at the left and right sides of Rear frame 13.A set of brake mould
Block, including first brake control device 21, control cable 22, the second braking control device 23, brake assemblies 24 and brake block 25,
The wheelchair that first brake control device 21 is fixed on 13 top of Rear frame is promoted on handle, and control cable 22 connects first brake control
Device 21 processed, through Rear frame 13, is connected with brake assemblies 24, and brake assemblies 24 are located at the side lower end of Rear frame 13, and second
Braking control device 23 is located at the front side top of brake assemblies 24, is fixedly connected by connecting rod with brake assemblies 24.Seat mould
Block 3, including backrest 31, safety belt 32, handrail 33 and Chain cushion 34, wherein handrail 33 1 share identical two sets, point
Not Wei Yu Chain cushion 34 the left and right sides above, by connecting rod and screw, be connected with left vehicle frame 11 and right vehicle frame 12, seat
Cushion 34 can do chair cushion using hard material.Front-wheel module 5, one shares two, respectively positioned at left vehicle frame 11 and right vehicle frame 12
Front side, each front-wheel module include connection component 51, front-wheel 52, preceding antirattle spring 53 and 54, front-wheel module 5 passes through connection group
Part 51 is fixedly connected with left and right vehicle frame, and preceding antirattle spring 53 and 54 is symmetrically positioned in the both sides of front-wheel 52.Foot-operated plate module 6, including
Foot pedal 61, connecting rod 62 and 63, small hook 64 and 65, connecting rod 62 and 63 connect foot pedal and vehicle frame, small hook 63 and 64
Respectively in connecting rod 62 and 63.
Bottom vehicle frame 14, including double-deck connecting rod 141, connecting rod 142, U-shaped ring 143.One end of double-deck connecting rod 141 is with after
Vehicle frame 13 is hinged, and double-deck connecting rod 141 can be rotated relative to Rear frame 13, the other end of double-deck connecting rod 141 and connection
It is fixedly connected between bar 142, connecting rod 142 is respectively fixedly connected with the upper of the front-wheel module of left and right two with left and right vehicle frame 11,12
Side.U-shaped ring 143 is set towards wheelchair direction of advance among connecting rod 142, U-shaped ring 143 can be rotated around connecting rod 142.
U-shaped ring 143 is turned to direction vertically downward, one is connected in 63 and 64 hook of small hook in foot-operated plate module 6
Rise, can be with fixed feet pedal module 6 so that foot-operated plate module 6 is motionless.When U-shaped ring 143 along connecting rod 142 toward level side
To rotation, small hook 63 and 64 is left, foot-operated plate module 6 can be rotated around connecting rod 142.
As shown in Fig. 2, trailing wheel module 4, one shares two, respectively at left and right sides of Rear frame, each trailing wheel module bag
Include connection component 41, trailing wheel 42, rear antirattle spring 43 and 44, trailing wheel module 4 by connection component 41 and left and right vehicle frame and after
Vehicle frame is fixed together, and rear antirattle spring 43 and 44 is symmetrically positioned in the both sides of trailing wheel 42.
As shown in figure 3, Rear frame 13, including U-shaped frame 1301, hollow frame 1302, locking device 1303, U-shaped ring 1304, push away
Dynamic handle 1305 and 1306, armrest connecting device 1307 and 1308, left frame connecting device 1309, right frame connecting device
1310th, U-shaped connector 1311 and 1312.The inside of U-shaped frame 1301 is hollow structure, and there is a connection at top and middle part respectively
Bar, connects the both sides of U-shaped frame, and is fixedly connected with U-shaped frame, and at middle part, the centre of connecting rod is fixed with U-shaped ring 1304.Promote handle
Hand 1305 and 1306 is inserted into the left and right of U-shaped frame 1301 topmost respectively, and armrest connecting device 1307 and 1308 is located at U-shaped frame 1301
The middle position of both sides, is connected with handrail by screw mechanism, can be relatively rotated between handrail and U-shaped frame, left vehicle frame connection
Device 1309 and right frame connecting device 1310, respectively positioned at the positive lower end of armrest connecting device 1307 and 1308, pass through screw
Mechanism is connected with left and right vehicle frame.Hollow frame 1302 is located at the underface of U-shaped frame 1301, is connected between the two by locking device 1303
Connect, locking device 1303 is located at the centre position of 1302 upper end of hollow frame, and locking device 1303, which has, locks and open two kinds of shapes
U-shaped frame 1301, in the locked state, can be fixedly connected, in the on-state, still keep U-shaped by state with hollow frame 1302
The connection of frame 1301 and hollow frame 1302, but U-shaped frame 1301 and hollow frame 1302 can relatively rotate.In hollow frame about 1302
Medium position have a wide cut connecting rod, U-shaped connector 1311 and 1312 is fixed with the both sides of wide cut connecting rod, towards wheel
The direction that chair advances.
As shown in figure 4, right vehicle frame 12, including T-shaped frame 121, connecting rod 122 and metal connecting piece 123.The one of T-shaped frame 121
End links together with trailing wheel 42, Rear frame 13, and Rear frame 13 can be relatively rotated with T-shaped frame 121.T-shaped frame 121 is along wheelchair
Direction of advance extends toward inclined upward, and other end is located at the surface of front-wheel, logical with connecting rod 122 and metal connecting piece 123
Cross pivot connection.The other end of connecting rod 122 is pivotally connected with right frame connecting device 1310, can be protected between the two
Hold mutual rotation.The centre of connecting rod 122 is pivotally connected with handrail 33, can keep mutually rotating between the two.Metal
The other end connection front-wheel 52 of connector 123.Connecting rod 142 positioned at left and right two metal connecting pieces 123 between, and with two
Metal connecting piece 123 is fixedly connected.
At the position for promoting handle 1306 to be inserted into U-shaped frame 1301, a rotating switch 1313 is embedded.Turn off the switch 1313,
Promote handle 1306 locked, it is impossible to rotated relative to U-shaped frame 1301, open switch 1313, promote handle 1306 to be unlocked,
Can relatively U-shaped frame 1301 turn to the inside (as shown in Figure 9).When promoting wheelchair in the situation of figure 9, the point of application is located at
The top of U-shaped frame 1301, the arm of force is substantially not present relative to U-shaped frame 1301, even if applying a very big downward power, wheelchair
Also it is not easy to be tilted, this considerably increases the safety and stability of wheelchair.
During fully collapsible invalid's chair, locking device 1303 is placed in open mode, U-shaped frame 1301 and hollow frame 1302 opposite can turn
It is dynamic, allow the U-shaped frame 1301 of Rear frame to be folded toward close to the direction of T-shaped frame 121, drive the rotation of armrest 33, closely together T
Type frame 121.U-shaped ring 143 and the small hook 63 on foot pedal and 64 points are opened, two front-wheels are folded toward T-shaped frame 121, rotate foot
Pedal module 6, close to bottom vehicle frame 14 so that whole wheelchair all toward drawing close before and after T-shaped frame 121, opens switch 1313, rotates and promote
Handle 1306, turns to the inner side of U-shaped frame 1301, turns off switch 1313, complete the folding of wheelchair.Folded state is in wheelchair
When, the pull rod in pull rod module 7 is pulled out, fully collapsible invalid's chair is pulled as pulling luggage case.
It is with fully collapsible invalid's chair on the contrary, pull rod first is withdrawn pull rod module 7, the U-shaped frame 1301 of Rear frame is past when opening wheelchair
Direction away from T-shaped frame 121 is pulled open, and the rotation of armrest 33 is driven, when U-shaped frame 1301 and hollow frame 1302 return to same water
Plane, lock-out state is placed in by locking device 1303.Front wheel, makes front-wheel return to upright position, by U-shaped ring 143 with riding
Small hook 63 and 64 on plate is fixed together.Switch 1313 is opened, rotates and promotes handle 1306, turns to the outer of U-shaped frame 1301
Side, turns off switch 1313 so that whole wheelchair returns to open mode.
Embodiment 2
As shown in figure 5, a kind of portable wheelchair of the present invention, pull rod module 7 can also be fixed under Chain cushion 34
Side.Although in open mode, the position of pull rod module 7 differs markedly from embodiment 1；But (such as Fig. 6 and figure in folded state
Shown in 7), position and the embodiment 1 of pull rod module 7 are similar in fact, have similar effect, you can to pull out pull rod dragging
Wheelchair moves ahead (as shown in Figure 8), similar to dragging luggage case, is highly convenient for carrying during trip.Pull rod module 7 is so set good
It is in the space that bigger can be vacateed in the frame module 1 below Chain cushion 34, in favor of the further upgrading of wheelchair
Or repacking.
Preferred embodiment of the invention described in detail above.It should be appreciated that the ordinary skill of this area is without wound
The property made work can conceive according to the present invention makes many modifications and variations.Therefore, all technician in the art
Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Scheme, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. a kind of portable wheelchair, has open mode and folded state, it is characterised in that the wheelchair includes frame module, stops
Car module, seat modular, trailing wheel module, front-wheel module, foot-operated plate module and pull rod module；
The frame module can be with fore-aft fold, including left vehicle frame, right vehicle frame, Rear frame and bottom vehicle frame, the left vehicle frame and institute
The both sides that right vehicle frame is located at the wheelchair respectively are stated, the bottom vehicle frame connects left vehicle frame, the right vehicle frame and the rear car
Frame；
The brake module is arranged at the left and right sides of the Rear frame；
The seat modular includes backrest, safety belt, handrail and Chain cushion, and the handrail is located at the Chain cushion
Above the left and right sides, it is connected by connecting rod and screw with the left vehicle frame and the right vehicle frame；
The trailing wheel module is located at the left and right sides of the Rear frame, and is arranged at the rear portion of the frame module lower end；
The front-wheel module is located at the front side of the left vehicle frame and the right vehicle frame, and before being arranged at the frame module lower end
Portion；
The foot-operated plate module includes foot pedal, connecting rod, small hook, and is arranged at the front portion of the frame module lower end；
The brake module is arranged at the rear end of the frame module；
The seat modular is arranged above the middle part of the frame module；
The pull rod module runs through the front-end and back-end of the frame module, is horizontally disposed with, and be fixed on the upper of the bottom vehicle frame
The lower section of square or described Chain cushion.
2. portable wheelchair as claimed in claim 1, it is characterised in that the Rear frame includes U-shaped frame, hollow frame, locking dress
Put, U-shaped ring, promotion handle, armrest connecting device, left frame connecting device, right frame connecting device, two U-shaped connectors, institute
State the top of U-shaped frame and middle part has a connecting rod respectively, connects the both sides of the U-shaped frame, and fix and connect with the U-shaped frame
Connect, the U-shaped ring is fixed with the centre of the connecting rod at middle part, the promotion handle is inserted into the left and right of the U-shaped frame most respectively
Upper end, the armrest connecting device are located at the middle position of the U-shaped frame both sides, are connected by screw mechanism with the handrail,
It can be relatively rotated between the handrail and the U-shaped frame, the left frame connecting device and the right frame connecting device, point
Not Wei Yu the armrest connecting device positive lower end, be connected by screw mechanism with the left vehicle frame and the right vehicle frame, it is described
Hollow frame is located at the underface of the U-shaped frame, is connected between the two by the locking device, and the locking device has locking
With opening two states, in the locked state, the U-shaped frame can be fixedly connected with the hollow frame；In the on-state,
The connection of the U-shaped frame and the hollow frame is still kept, but the U-shaped frame and the hollow frame can relatively rotate, in institute
Stating the medium position above and below hollow frame has a wide cut connecting rod, and described two U are fixed with the both sides of the wide cut connecting rod
Type connector, the direction advanced towards the wheelchair.
3. portable wheelchair as claimed in claim 2, it is characterised in that the inside of the U-shaped frame is hollow structure.
4. portable wheelchair as claimed in claim 2, it is characterised in that the promotion handle can relative to the U-shaped frame to
Inner side rotates.
5. portable wheelchair as claimed in claim 2, it is characterised in that the locking device is located in the hollow frame upper end
Between position.
6. portable wheelchair as claimed in claim 1, it is characterised in that the right vehicle frame includes T-shaped frame, connecting rod and metal and connects
Fitting, one end and the trailing wheel, the Rear frame of the T-shaped frame link together, and the Rear frame and the T-shaped frame can be with
Relatively rotate, the T-shaped frame extends along the direction of advance of the wheelchair toward inclined upward, the other end position of the T-shaped frame
In the surface of the front-wheel module, it is pivotally connected with one end of the connecting rod and the metal connecting piece, the company
The other end of extension bar is pivotally connected with right frame connecting device, can keep mutually rotating between the two, the connection
The centre of bar is pivotally connected with the handrail, can keep mutually rotating between the two, the metal connecting piece is in addition
One end connects front-wheel, and the connecting rod is fixed between two metal connecting pieces in left and right with described two metal connecting pieces
Connection.
7. portable wheelchair as claimed in claim 6, it is characterised in that the symmetrical configuration of the left vehicle frame and the right vehicle frame.
8. portable wheelchair as claimed in claim 2, it is characterised in that the brake module include first brake control device,
Control cable, the second braking control device, brake assemblies and brake block, the first brake control device are fixed on the rear car
On the promotion handle on frame top, the control cable connects the first brake control device, through the Rear frame, with
Brake assemblies connection, second braking control device be located at the front side top of the brake assemblies, by connecting rod and
The brake assemblies are fixedly connected.
9. portable wheelchair as claimed in claim 8, it is characterised in that the brake assemblies are located under the side of the Rear frame
End.
10. portable wheelchair as claimed in claim 1, it is characterised in that the front-wheel module, one shares two, is located at respectively
The front side of the left vehicle frame and the right vehicle frame, each front-wheel module includes connection component, front-wheel, preceding antirattle spring, before described
Wheel module is fixedly connected by connection component with the left vehicle frame and the right vehicle frame, and the preceding antirattle spring is symmetrically positioned in described
The both sides of front-wheel, the trailing wheel module, one shares two, respectively at left and right sides of the Rear frame, each trailing wheel module bag
Include connection component, trailing wheel, rear antirattle spring, by the connection component and the left vehicle frame and the right vehicle frame and it is described after
Vehicle frame is fixed together, and the rear antirattle spring is symmetrically positioned in the both sides of trailing wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711353415.7A CN107970095B (en) | 2017-12-15 | 2017-12-15 | Portable wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711353415.7A CN107970095B (en) | 2017-12-15 | 2017-12-15 | Portable wheelchair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107970095A true CN107970095A (en) | 2018-05-01 |
| CN107970095B CN107970095B (en) | 2023-12-12 |
Family
ID=62006505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711353415.7A Active CN107970095B (en) | 2017-12-15 | 2017-12-15 | Portable wheelchair |
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| Country | Link |
|---|---|
| CN (1) | CN107970095B (en) |
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| CN208823209U (en) * | 2017-12-15 | 2019-05-07 | 上海慈通科技有限公司 | A kind of portable wheelchair |
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| JP2992806B2 (en) * | 1995-06-16 | 1999-12-20 | 日進医療器株式会社 | Portable wheelchair |
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| GB8721044D0 (en) * | 1987-09-08 | 1987-10-14 | Vessa Ltd | Wheelchairs |
| US6378883B1 (en) * | 2000-01-11 | 2002-04-30 | Aaron J. Epstein | Motorized walker/wheelchair and method |
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| CN202490148U (en) * | 2012-03-07 | 2012-10-17 | 佛山市东方医疗设备厂有限公司 | Wheel-type walking aid capable of being transformed into wheelchair |
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| Publication number | Publication date |
|---|---|
| CN107970095B (en) | 2023-12-12 |
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