CN201453539U - Folding hand-powered four-wheeled wheelchair - Google Patents
Folding hand-powered four-wheeled wheelchair Download PDFInfo
- Publication number
- CN201453539U CN201453539U CN2009200942854U CN200920094285U CN201453539U CN 201453539 U CN201453539 U CN 201453539U CN 2009200942854 U CN2009200942854 U CN 2009200942854U CN 200920094285 U CN200920094285 U CN 200920094285U CN 201453539 U CN201453539 U CN 201453539U
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- wheel
- sprocket
- reversing
- vehicle frame
- bidentate
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- Expired - Fee Related
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Abstract
The utility model discloses a folding hand-powered four-wheeled wheelchair which consists of a folding frame, two back wheels, a manual steering mechanism, a driving mechanism and a brake mechanism. The two back wheels are respectively and independently pivoted at two rear sides of the frame; the manual steering mechanism consists of two front wheels, two wheel stands, two supporting rods, a folding connection rod, an L-shaped steering rod, a vertical rod and a manual rotating handle and is mounted at the front part of the frame; the driving mechanism consists of forward double-tooth drive sprocket wheel, a reverse double-tooth drive sprocket wheel, a sprocket wheel, two tension sprocket wheels, two transmission chains, a drive handle, a reverse compaction wheel, a reverse tensioning device, a spanner and a stopper and is mounted at the right side of the frame; and the brake mechanism consists of a brake handle, a brake cable, a lever device, a brake hub, a brake shoe and an automatic spanner and is mounted at the left side of the frame. The wheelchair has the reverse gear function, can go ahead and retreat through being hand-powered and travel for a long distance, can be stopped and locked by the manual brake mechanism at any moment, and also can be folded, conveniently transported and carried during the travel.
Description
Technical field
This utility model relates to a kind of Wheel-chair of taking turns, particularly a kind of collapsible hand four-wheel wheel Wheel-chair.
Background technology
The wheel Wheel-chair is people with disability and patient's a walking-replacing tool, and existing wheelchair garage will rely on the people to push away from behind when walking, or the occupant makes and with the hands pulls the both sides wheel and move ahead or retreat.The wheel Wheel-chair of this kind structure oneself is pulled and is advanced or retreat special effort, and speed is slow, is not suitable for long distance walking; The wheel Wheel-chair of this kind structure when occupant oneself turns to, rely on and pull the wheel realization, special effort.
Summary of the invention
The purpose of this utility model is in order to solve the problem that is not suitable for long distance walking that existing wheel Wheel-chair exists, can to overcome collapsible hand four-wheel wheel Wheel-chair above-mentioned shortcoming, that be fit to long distance walking and provide a kind of.This collapsible hand four-wheel wheel Wheel-chair adopts rear wheel drive, the hand chain drive of single armed, and singlehanded manual steering has reverse gear, the hand brake and hand braking; Reached walking state freely; Can fold convenient in carrying.
This utility model is made up of foldable chassis, two trailing wheels, manual steering mechanism, driving mechanism and braking mechanism, and two trailing wheels independently are articulated in the back both sides of vehicle frame respectively; Manual steering mechanism is by two front-wheels, two wheel carriers, two poles, collapsible connecting rod, L shaped bull stick, vertical rod and manual turning handle are formed, two front-wheels are articulated in two wheel carriers below respectively, the two wheel carriers pole that extended back respectively, connect collapsible connecting rod between the head end of two poles, the L shaped bull stick of the inboard connection of the wheel carrier in left side, the fixedly connected vertical rod of the other end of L shaped bull stick, the vertical rod upper end is provided with manual turning handle, the upper end of two wheel carriers is extended with vertical shaft respectively and is articulated in the forward both sides of vehicle frame, the middle burst of collapsible connecting rod is arranged with sleeve pipe, and when folding, this sleeve pipe slides off burst, when using walking, this casing pipe sleeve is in the burst of collapsible connecting rod.When pulling manual turning handle, under the interlock of collapsible connecting rod, two front-wheels turn to simultaneously.
Driving mechanism is installed in the right side of vehicle frame, it is by the bidentate drive sprocket that advances, reversing bidentate head sprocket, sprocket wheel, two tensioner sprocket wheels, article two, driving chain, driving handle, the reversing contact roller, the reversing take-up device, spanner, block card is formed, the bidentate drive sprocket advances, reversing bidentate head sprocket and two tensioner sprocket wheels all are articulated in the right side of vehicle frame, the bidentate drive sprocket that advances is positioned at the right front portion of vehicle frame, reversing bidentate head sprocket is positioned at the central frame beam position, sprocket wheel is sleeved on the axletree of off hind wheel, one driving chain is walked around advance bidentate drive sprocket and sprocket wheel, the hypomere of this driving chain is by two tensioner sprocket wheel tensioners, the reversing contact roller is articulated on the reversing take-up device, this reversing take-up device is pressed the top of touching at this driving chain epimere, the other end of reversing take-up device and the lower end of spanner articulate, spanner is positioned at the front portion on vehicle frame right side, the stage casing of spanner and vehicle frame articulate, with on the vehicle frame of spanner opposite position block card is set, after spanner tension makes the reversing contact roller compress this driving chain, be stuck in the rear side of block card and lock; Another driving chain is walked around advance bidentate drive sprocket and reversing bidentate head sprocket; When the stranger promotes this and takes turns Wheel-chair, taking in order to prevent that driving handle from rotating to hurt, driving handle is turnable, the position, stage casing of driving handle is provided with kayser, after with the kayser release, driving handle can be rotated 90 °, make the handle of driving handle vertical by horizontal change, in the time will using driving handle, driving handle upwards rotated 90 ° after, the kayser locking is got final product.
Braking mechanism is installed in the left side of vehicle frame, it is made of automatically sneek, brake cable, leverage, lock hub brake rubber block and hands, sneek is fixed on the manual turning handle, the sneek brake cable connects, brake cable connects with lock hub brake rubber block by leverage, lock hub brake rubber block is folded in the both sides of left rear wheel, and hands is arranged on the left side of vehicle frame automatically, and hands can make rear wheel lock extremely and not rotate automatically.
In addition, the front part sides of vehicle frame is respectively arranged with the collapsible pedal of putting foot; Be connected with holder support band between the vehicle frame of forward both sides, the calf that is used for holding in the palm the support occupant; The both sides, upper back of vehicle frame are provided with and push away handle, promote to take turns Wheel-chair to make things convenient for the stranger.
Transmission principle of the present utility model is: when taking when wanting own driving wheel Wheel-chair to move ahead, shake driving handle forward, drive trailing wheel by the bidentate drive sprocket that advances by driving chain and sprocket wheel and rotate, the wheelchair Herba Plantaginis is advanced; When taking when wanting own driving wheel Wheel-chair to retreat, pull back behind the spanner spanner fixed and behind block card, lock, at this moment, the reversing contact roller compresses driving chain, makes driving chain and the engagement of reversing bidentate head sprocket, shakes driving handle more backward, can realize reversing.Move backward back if advance, spanner is decontroled in release can carry out forward operation.
The beneficial effects of the utility model:
1, taking and can be own handly advance or retreat, laborsaving, speed is fast, can grow the distance walking.
2, have the reverse gear function, conveniently turn in narrow space.
3, have hand-operated brake mechanism and hands automaton, can This vehicle stops frequently and locking, improved safety.
4, the stranger also can promote this in the back and take turns Wheel-chair.
5, the whole Wheel-chair of taking turns can fold, upper and lower means of transport and upper and lower elevator convenient in carrying, and whilst on tour can be carried.
Description of drawings
Fig. 1 is the schematic perspective view of this utility model embodiment.
Fig. 2 is the schematic perspective view at another visual angle of this utility model embodiment.
Schematic perspective view when Fig. 3 is the naked framework of this utility model embodiment.
Fig. 4 is the schematic perspective view of this utility model embodiment manual steering mechanism.
Fig. 5 is the schematic perspective view of this utility model embodiment driving mechanism.
Fig. 6 is the schematic perspective view of this utility model embodiment braking mechanism.
The specific embodiment
See also Fig. 1, Fig. 2 and shown in Figure 3, present embodiment is made up of foldable chassis 1, two trailing wheels 2, manual steering mechanism 3, driving mechanism 4 and braking mechanism 5, and two trailing wheels 2 independently are articulated in the back both sides of vehicle frame 1 respectively;
Cooperate shown in Figure 4, manual steering mechanism 3 is by two front-wheels 31, two wheel carriers 32, two poles 33, collapsible connecting rod 34, L shaped bull stick 35, vertical rod 36 and manual turning handle 37 are formed, two front-wheels 31 are articulated in two wheel carriers, 32 belows respectively, two wheel carriers 32 pole 33 that extended back respectively, connect collapsible connecting rod 34 between the head end of two poles 33, the L shaped bull stick 35 of wheel carrier 32 inboard connections in left side, the fixedly connected vertical rod 36 of the other end of L shaped bull stick 35, vertical rod 36 upper ends are provided with manual turning handle 37, the upper end of two wheel carriers 32 is extended with vertical shaft 38 respectively and is articulated in vehicle frame 1 forward both sides, the middle burst of collapsible connecting rod 34 is arranged with sleeve pipe 39, when folding, this sleeve pipe 39 slides off burst, and when using walking, this sleeve pipe 39 is enclosed within the burst of collapsible connecting rod 34.When pulling manual turning handle 37, under the interlock of collapsible connecting rod 34, two front-wheels 31 turn to simultaneously.
Cooperate shown in Figure 5, driving mechanism 4 is installed in the right side of vehicle frame 1, it is by the bidentate drive sprocket 41 that advances, reversing bidentate head sprocket 42, sprocket wheel 43, two tensioner sprocket wheels 44,45, article two, driving chain 46,47, driving handle 48, reversing contact roller 49, reversing take-up device 491, spanner 492, block card 493 is formed, bidentate drive sprocket 41 advances, reversing bidentate head sprocket 42 and two tensioner sprocket wheels 44,45 all are articulated in the right side of vehicle frame 1, the bidentate drive sprocket 41 that advances is positioned at the right front portion of vehicle frame 1, reversing bidentate head sprocket 42 is positioned at vehicle frame 1 middle part, sprocket wheel 43 is sleeved on the axletree of off hind wheel 2, one driving chain 46 is walked around advance bidentate drive sprocket 41 and sprocket wheel 43, the hypomere of this driving chain 46 is by two tensioner sprocket wheels 44,45 tensioners, reversing contact roller 49 is articulated on the reversing take-up device 491, this reversing take-up device 491 is pressed the top of touching at this driving chain 46 epimeres, the other end of reversing take-up device 491 and the lower end of spanner 492 articulate, spanner 492 is positioned at the front portion on vehicle frame 1 right side, the stage casing of spanner 492 and vehicle frame 1 articulate, with on the vehicle frame 1 of spanner 492 opposite positions block card 493 is set, after spanner 492 tension makes reversing contact roller 49 compress this driving chain 46, be stuck in the rear side of block card 493 and lock; Another driving chain 47 is walked around advance bidentate drive sprocket 41 and reversing bidentate head sprocket 42; When the stranger promotes this and takes turns Wheel-chair, taking in order to prevent that driving handle 48 from rotating to hurt, driving handle 48 is turnable, the position, stage casing of driving handle 48 is provided with kayser 481, after with kayser 481 releases, driving handle 48 can be rotated 90 °, make the handle of driving handle 48 vertical by horizontal change, in the time will using driving handle 48, driving handle 48 upwards rotated 90 ° after, kayser 481 lockings are got final product.
Cooperate shown in Figure 6, braking mechanism 5 is installed in the left side of vehicle frame 1, it is made up of sneek 51, brake cable 52, leverage 53, lock hub brake rubber block 54 and hands automatic 55, sneek 51 is fixed on the manual turning handle 37, sneek 51 brake cables 52 connect, and brake cable 52 connects with lock hub brake rubber block 54 by leverage 53, and lock hub brake rubber block 54 is folded in the both sides of left rear wheel 2, hands automatic 55 is arranged on the left side of vehicle frame, and hands automatic 55 can make rear wheel lock extremely and not rotate.
In addition, as depicted in figs. 1 and 2, the front part sides of vehicle frame 1 is respectively arranged with the collapsible pedal 6 of putting foot; Be connected with the holder support between the forward both sides vehicle frame 1 and be with 7, be used for holding in the palm support occupant's calf; The both sides, upper back of vehicle frame 1 are provided with and push away handle 8, promote to take turns Wheel-chair to make things convenient for the stranger.
The transmission principle of present embodiment is: when taking when wanting own driving wheel Wheel-chair to move ahead, shake driving handle 48 forward, drive trailing wheels 2 by the bidentate drive sprocket 41 that advances by driving chain 46 and sprocket wheel 43 and rotate, the wheelchair Herba Plantaginis is advanced; When taking when wanting own driving wheel Wheel-chair to retreat, spanner 492 is fixed in block card 493 back lockings, at this moment after pulling back spanner 492, reversing contact roller 49 compresses driving chain 46, make driving chain 46 and 42 engagements of reversing bidentate head sprocket, shake driving handle 48 more backward, can realize reversing.Move backward back if advance, spanner 492 is decontroled in release can carry out forward operation.
Claims (4)
1. a collapsible hand four-wheel is taken turns Wheel-chair, its foldable chassis is articulated with four wheels, the front part sides of foldable chassis is respectively arranged with the collapsible pedal of putting foot, the both sides, upper back of foldable chassis are provided with and push away handle, it is characterized in that: the front portion of foldable chassis is provided with manual steering mechanism, one side of foldable chassis is provided with the driving mechanism of being made up of sprocket wheel, chain and driving handle, and another side of foldable chassis is provided with braking mechanism.
2. a kind of collapsible hand four-wheel wheel Wheel-chair according to claim 1 is characterized in that:
The back both sides of described foldable chassis articulate independently trailing wheel respectively;
Described manual steering mechanism is by two front-wheels, two wheel carriers, two poles, collapsible connecting rod, L shaped bull stick, vertical rod and manual turning handle are formed, two front-wheels are articulated in two wheel carriers below respectively, the two wheel carriers pole that extended back respectively, connect collapsible connecting rod between the head end of two poles, the L shaped bull stick of the inboard connection of the wheel carrier in left side, the fixedly connected vertical rod of the other end of L shaped bull stick, the vertical rod upper end is provided with manual turning handle, the upper end of two wheel carriers is extended with vertical shaft respectively and is articulated in the forward both sides of vehicle frame, the middle burst of collapsible connecting rod is arranged with sleeve pipe, and when folding, this sleeve pipe slides off burst, when using walking, this casing pipe sleeve is in the burst of collapsible connecting rod;
Described driving mechanism is installed in the right side of vehicle frame, it is by the bidentate drive sprocket that advances, reversing bidentate head sprocket, sprocket wheel, two tensioner sprocket wheels, article two, driving chain, driving handle, the reversing contact roller, the reversing take-up device, spanner, block card is formed, the bidentate drive sprocket advances, reversing bidentate head sprocket and two tensioner sprocket wheels all are articulated in the right side of vehicle frame, the bidentate drive sprocket that advances is positioned at the right front portion of vehicle frame, reversing bidentate head sprocket is positioned at the central frame beam position, sprocket wheel is sleeved on the axletree of off hind wheel, one driving chain is walked around advance bidentate drive sprocket and sprocket wheel, the hypomere of this driving chain is by two tensioner sprocket wheel tensioners, the reversing contact roller is articulated on the reversing take-up device, this reversing take-up device is pressed the top of touching at this driving chain epimere, the other end of reversing take-up device and the lower end of spanner articulate, spanner is positioned at the front portion on vehicle frame right side, the stage casing of spanner and vehicle frame articulate, with on the vehicle frame of spanner opposite position block card is set, after spanner tension makes the reversing contact roller compress this driving chain, be stuck in the rear side of block card and lock; Another driving chain is walked around advance bidentate drive sprocket and reversing bidentate head sprocket;
Described braking mechanism is installed in the left side of vehicle frame, it is made of automatically sneek, brake cable, leverage, lock hub brake rubber block and hands, sneek is fixed on the manual turning handle, the sneek brake cable connects, brake cable connects with lock hub brake rubber block by leverage, lock hub brake rubber block is folded in the both sides of left rear wheel, and hands is arranged on the left side of vehicle frame automatically, and hands can make rear wheel lock extremely and not rotate automatically.
3. a kind of collapsible hand four-wheel wheel Wheel-chair according to claim 2, it is characterized in that: described driving handle is for turnable, and the position, stage casing of driving handle is provided with kayser.
4. according to claim 1 or 2 or 3 described a kind of collapsible hand four-wheel wheel Wheel-chairs, it is characterized in that: be connected with holder support band between the vehicle frame of the forward both sides of described foldable chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200942854U CN201453539U (en) | 2009-08-31 | 2009-08-31 | Folding hand-powered four-wheeled wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200942854U CN201453539U (en) | 2009-08-31 | 2009-08-31 | Folding hand-powered four-wheeled wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201453539U true CN201453539U (en) | 2010-05-12 |
Family
ID=42380879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200942854U Expired - Fee Related CN201453539U (en) | 2009-08-31 | 2009-08-31 | Folding hand-powered four-wheeled wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201453539U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319152A (en) * | 2011-08-26 | 2012-01-18 | 常熟市平方轮椅有限公司 | Four-wheel electric motor car |
| CN103126823A (en) * | 2013-03-14 | 2013-06-05 | 上海理工大学 | Push rod type single-hand direction control mechanism for manually propelled wheelchair |
| CN103720549A (en) * | 2013-12-20 | 2014-04-16 | 杭州银江智慧医疗集团有限公司 | Manual four-wheel multifunctional vehicle special for old persons |
| CN104116596A (en) * | 2014-08-01 | 2014-10-29 | 陈学红 | Manual hand cranking device for wheelchair |
| CN104434426A (en) * | 2014-12-08 | 2015-03-25 | 李凌军 | Multi-mode sprocket-driven foldable sports wheelchair bicycle |
| CN108938230A (en) * | 2018-08-01 | 2018-12-07 | 芜湖市祥居家具设计有限公司 | A kind of wheelchair turned to |
| CN109152686A (en) * | 2016-04-05 | 2019-01-04 | 优动产品公司 | seat positioning system for wheelchair |
-
2009
- 2009-08-31 CN CN2009200942854U patent/CN201453539U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319152A (en) * | 2011-08-26 | 2012-01-18 | 常熟市平方轮椅有限公司 | Four-wheel electric motor car |
| CN103126823A (en) * | 2013-03-14 | 2013-06-05 | 上海理工大学 | Push rod type single-hand direction control mechanism for manually propelled wheelchair |
| CN103720549A (en) * | 2013-12-20 | 2014-04-16 | 杭州银江智慧医疗集团有限公司 | Manual four-wheel multifunctional vehicle special for old persons |
| CN104116596A (en) * | 2014-08-01 | 2014-10-29 | 陈学红 | Manual hand cranking device for wheelchair |
| CN104434426A (en) * | 2014-12-08 | 2015-03-25 | 李凌军 | Multi-mode sprocket-driven foldable sports wheelchair bicycle |
| CN109152686A (en) * | 2016-04-05 | 2019-01-04 | 优动产品公司 | seat positioning system for wheelchair |
| US11173081B2 (en) | 2016-04-05 | 2021-11-16 | Pride Mobility Products Corporation | Seat positioning system for a wheelchair |
| US11865055B2 (en) | 2016-04-05 | 2024-01-09 | Pride Mobility Products Corporation | Seat positioning system for a wheelchair |
| CN108938230A (en) * | 2018-08-01 | 2018-12-07 | 芜湖市祥居家具设计有限公司 | A kind of wheelchair turned to |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20120831 |