CN2139437Y - Multifunctional wheelchair capable of walking up (down) stairs - Google Patents
Multifunctional wheelchair capable of walking up (down) stairs Download PDFInfo
- Publication number
- CN2139437Y CN2139437Y CN 92229410 CN92229410U CN2139437Y CN 2139437 Y CN2139437 Y CN 2139437Y CN 92229410 CN92229410 CN 92229410 CN 92229410 U CN92229410 U CN 92229410U CN 2139437 Y CN2139437 Y CN 2139437Y
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- China
- Prior art keywords
- chain
- walking
- adjusting lever
- plate
- location
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a multifunctional wheelchair capable of walking up (down) stairs, provided with three parts of a wheelchair, a transmission mechanism and an adjusting mechanism. The transmission mechanisms are respectively arranged on four teeth of the walking gear by two walking chains and are connected with a transmission gear, a transmission chain and a driving gear. The adjusting mechanism is adjusted in parallel by top and bottom of the walking chain, front and back of the safety fork and front raising and the chair of the walking chain. The wheelchair can walk up and down stairs within inclined 47 DEG, can walk up and down the step of 30 centimeters height, and can pass the ditch of 30 centimeters width. When the walking chain is drawn back, the utility model can be pushed for walking by wheels in the flat road as a wheelchair. The wheelchair has reasonable structure, convenience and flexibility of change between two forms of flat road and up and down stairs.
Description
This utility model belongs to a kind of human powered vehicle, and particularly a kind of disabled person that can carry out going downstairs uses multifunctional wheelchair.
Wheelchair is a kind ofly used vehicle by the home-bound patient, and moving of it can be rotated by patient, also can be promoted by other people.A kind of wheel Wheel-chair with hand propelled is arranged in the prior art, it is made up of two trailing wheels, two hand push circles, two front-wheels and the seat that is fixed on the vehicle frame, thisly take turns Wheel-chair because be by four wheel turns and progressive, two of fronts are again less wheels, only are adapted at carrying out on the more smooth road surface.Yet when running into high step more than 10 centimetres, or when meeting wide little ditch more than 15 centimetres, in the time of maybe will going up downstairs, patient oneself just is difficult to carry out getting on.
The purpose of this utility model is to propose the walking chain drive that a kind of under-seat at wheelchair is installed a cover energy up/down steps, and one cover keep supplying get out of a predicament or an embarrassing situation and guiding mechanism that level road is exchanged between carrying out can go up multifunctional wheelchair downstairs, to overcome weak point of the prior art.
The purpose of this utility model is achieved in that the multifunctional wheelchair that can go up downstairs, and wheelchair and drive mechanism and guiding mechanism three parts are arranged, and its wheelchair partly comprises two trailing wheels, two hand push circles, two front-wheels and the seat that is installed on the vehicle frame is formed.Drive mechanism is contained in respectively by following two the walking chains of seat on the tooth of four walking gears and is connected with driving gear with driving chain with travelling gear in this utility model.The walking chain is connected with the arm-tie and the adjusting lever of going upstairs with portable plate by the chain location-plate up and down in the guiding mechanism.The adjustment of safety fork is being connected with safety fork adjusting lever with pull bar by location-plate in the guiding mechanism.Walking chain forward part raises by raising adjusting lever and being connected steel wire rope and raising the bar connection in the guiding mechanism.
This utility model is because only need by adjusting adjusting lever, with the hands promote the hand push circle just can stair activity (in oblique 47 degree), can up/down steps (in high 30 centimetres), can too small ditch (in wide 30 centimetres) so manipulate simply; By adjusting the adjusting lever of going upstairs the walking chain is received up simultaneously, just can equally with wheelchair on level road, be carried out with wheel; The parallel adjusting lever of seat also is housed in addition, by keeping flat horizontal stroke downstairs the time last with the whole health that can make of hand adjustment on wheelchair.
Embodiment below in conjunction with accompanying drawing provides is described in detail going up multifunctional wheelchair downstairs.
Fig. 1 is the wheelchair view;
Fig. 2 is the view of going downstairs on the wheelchair;
Fig. 3 is the vertical view that wheelchair removes seat part and front-wheel;
Fig. 4 is that the safety fork is adjusted sketch map;
Fig. 5 is a safety fork rearview;
Fig. 6 is walking chain adjustment and raises bar and adjust sketch map;
Fig. 7 is the clutch cover vertical view;
Fig. 8 is a walking chain sketch map;
Fig. 9 is that seat is adjusted sketch map;
The drive mechanism of wheel Wheel-chair is contained in respectively by following two the walking chains of seat (3) (9) on the tooth of four walking gears (8) and is connected with driving gear (13) with driving chain (12) with travelling gear (18), walking gear (8) respectively is separately fixed on the chain location-plate (10) with four rooted tooth wheel shafts (42), on the walking chain (9) fixed sprocket (41) is arranged, on sprocket (41), be with sprocket gum cover (44), in the below of chain location-plate (10) chain locating slot (45) is arranged, be fixed with a travelling gear (18) on the inboard of back walking gear, driving chain (12) is housed on the gear to be connected with main fortune gear institute (13), driving gear (13) and decide clutch cover (23) and be fixed together, driving gear (13) and decide the optical axis place that clutch cover (23) is contained in drive splines axle (27) and locate by centring ring (39), moving clutch cover (24) is contained in drive splines axle (27) has tooth axle place to be located by activity orientation circle (26) set screw (40), clutch cover spring (25) is housed between each clutch cover, and two walking gears (8) of front are connected and fixed by a connecting axle (23).
Walk in the guiding mechanism of wheel Wheel-chair up and down the reaching the adjusting lever (4) of going upstairs and be connected of chain (9) by chain location-plate (10) and portable plate (37) and arm-tie (38), be connected to two portable plates (37) in the following outside of vehicle frame (14), be connected to arm-tie (38) under the portable plate (37) and also be connected to clutch cover adjustment fork (15).
The adjustment of safety fork (19) is being connected with safety fork adjusting lever (6) with pull bar (32) with location-plate (28) by vehicle frame (14) in the wheel Wheel-chair guiding mechanism, below adjusting lever, be fixed with two rear wheel brake bars (20) and also be connected to pull bar (32), it is fixing by steady pin (33) that location-plate (28) is housed on the vehicle frame (14), safety fork (19) is contained in the groove of location-plate (28) by fixed axis (29), back-moving spring (30) is used for making safe fork (19) to reset, pull bar (32) is connected on the middle part of location-plate (28) by locating shaft (31), and the front portion of pull bar (32) is connected with safe adjusting lever (6).
Wheel Wheel-chair raising by raising adjusting lever (5) of walking chain (9) previous section upstairs the time and be connected steel wire rope (17) and raised bar (16) connection adjustment.Raise bar (16) and be fixed on the chain location-plate (10) by raising axle (35) and return spring (36), the front of raising bar (16) is equipped with one and is raised wheel (21).
The seat (3) of wheel Wheel-chair divides both sides to be connected with vehicle frame (14) by two seat locating shafts (45), and the parallel adjusting lever of seat (7) is connected adjustment with seat pull bar (47) with seat fixing head (46).
This utility model wheel Wheel-chair is when going upstairs state, the first step is gone upstairs adjusting lever (4) toward being extrapolated to the end with right handgrip, walking chain (9) will be put into underground, 5 centimetres of the trailing wheel of wheelchair (1) and front-wheel (11) jack-up built on stilts, gone and decide clutch cover (23) combination to be stuck in moving clutch cover (24) top, second step was being pitched adjusting lever (6) to safety toward being extrapolated to shelves upstairs with left hand, the 3rd step was raised adjusting lever (5) toward pulling back with right handgrip, at this moment raising bar (16) will be 35 centimetres of the previous section jack-up of walking chain (9), push to first step to the previous section of walking chain (9) with hand propelled hand push circle (2) this moment, the 4th step reuse right handgrip is raised adjusting lever (5) toward being extrapolated to the end, just regain raising bar (16), at this moment just can drive drive splines axle (27) with the hands promoting hand push circle (2), moving clutch cover (24), decide clutch cover (23), driving gear (13), driving chain (12), travelling gear (15), the rotation of walking gear (8) and walking chain (9), wheelchair just can be above to upstairs going.Health is not tilted, and the available left hand back parallel adjusting lever of pulling seat chair (7) just can make health keep flat horizontal, at wheelchair downstairs or do not need to adjust during too small ditch and raise adjusting lever (5).
Safety fork adjusting lever (6) has third gear in addition, down shifting the end onto with hands is the shelves of going upstairs, it is the shelves of going upstairs that safety fork this moment (19) can down be shifted the end onto, the chain drive tooth the inside that safety fork this moment (19) can be inserted into forward on the driving gear (13) is gone, safety fork (19) only slides on the tooth of driving gear (13) when wheelchair is gone upstairs, can not block driving gear (13), just can go upstairs with hand propelled hand push circle (2), wheelchair at this moment will be toward moving back downstairs when stopping halfway, safety fork this moment (19) will block the chain drive tooth on the driving gear (13), do not allow wheelchair down move back, thereby played the effect that safety is gone upstairs.Moving position intermediate to handgrip safety fork adjusting lever (6) is the level road shelves, this grade safety fork (19) shrinks back, safety fork (19) leaves the tooth on the driving gear (13), tooth on the driving gear (13) is not subjected to safe fork (19) to block control, and wheelchair can be done the rotation of advancing or retreating on level road.Back moving the end to handgrip safety fork adjusting lever (6) is the shelves of going downstairs, at this moment the tooth on safety fork (19) and the driving gear (13) is from De Gengkai, rear wheel brake bar this moment (20) will withstand on the outer rubber tire of trailing wheel (1), speed when wheelchair is gone downstairs has slowed down, by with the hands coming promptly or loosening hand push circle (2), speed in the time of just can controlling wheelchair and go downstairs, downstairs shelves can also be as the usefulness of the brake when level road is carried out.
Upstairs adjusting lever (4) is to be used for controlling walking chain (9) to do the preceding later of folding and unfolding up and down and clutch cover adjustment fork (15), when the adjusting lever (4) of going upstairs with handgrip walk when back moving the end to chain (9) with raise bar (16) and will be pulled on to regain by arm-tie (38) and remove 10 centimetres of built on stilts, clutch cover adjustment fork this moment (15) also can be pulled to preceding 10 centimetres simultaneously, at this moment clutch cover adjustment fork (15) is not just withstanding on the moving clutch cover (24), moving clutch cover (24) will be ejected by clutch cover spring (25), this moment moving clutch cover (24) just with decide clutch cover (23) and separate, wheelchair just can as wheelchair equally on level road, use with wheel.
Upstairs adjusting lever (4), raise adjusting lever (5), safety fork adjusting lever (6), the parallel adjusting lever of seat (7) and all have banking pin to block tooth on (not drawing among each figure) castellated plates (34), shift that position onto with each adjusting lever of handgrip, will be stuck in that and can not move forward and backward.
Claims (6)
1, a kind of multifunctional wheelchair that can go up downstairs, three parts of wheelchair and drive mechanism and guiding mechanism are arranged, its wheelchair partly comprises two trailing wheels (1), two hand push circles (2), two front-wheels (11) and the seat (3) that is installed on the vehicle frame (14) is formed, and of the present utility modelly is characterised in that drive mechanism is contained in respectively by two the walking chains (9) under the seat (3) on the tooth of four walking gears (8) and is connected with driving gear (13) with driving chain (12) with travelling gear (18); Walk in the guiding mechanism up and down the reaching the adjusting lever (4) of going upstairs and be connected of chain (9) by chain location-plate (10) and portable plate (37) and arm-tie (38); The adjustment of safety fork (19) is connected with safety fork adjusting lever (6) with pull bar (32) by location-plate (28) in the guiding mechanism; Raising of chain (9) forward part of walking in the guiding mechanism by raising adjusting lever (5) and being connected steel cable (17) and raising bar (16) connection and adjust.
2, according to the described Wheel-chair of taking turns of claim 1, it is characterized in that drive mechanism is contained in respectively by following two the walking chains of seat (3) (9) on the tooth of four walking gears (8) is connected with driving gear (13) with driving chain (12) with travelling gear (18), walking gear (8) respectively is separately fixed on the chain location-plate (10) with four rooted tooth wheel shafts (42), on the walking chain (9) fixed sprocket (41) is arranged, on sprocket (41), be with sprocket gum cover (44), in the below of chain location-plate (10) chain locating slot (43) is arranged, be fixed with on the inboard of back walking gear (8) and adorn driving chain (12) on a travelling gear (18) gear and be connected with driving gear (13), driving gear (13) and decide clutch cover (23) and be fixed together, driving gear (13) and decide the optical axis place that clutch cover (23) is contained in drive splines axle (27) and locate by centring ring (39), moving clutch cover (24) is contained in drive splines axle (27) has tooth axle place by activity orientation circle (26) and set screw (40) location, clutch cover spring (25) is housed between each clutch cover, and two walking gears (8) of front are connected and fixed by a connecting axle (22).
3, according to the described Wheel-chair of taking turns of claim 1, the reaching the adjusting lever (4) of going upstairs by chain location-plate (10) and portable plate (37) and arm-tie (38) up and down and be connected of chain (9) is characterized in that walking in the guiding mechanism, be connected to two portable plates (37) in the outside of vehicle frame (14), be connected to arm-tie (38) and chain location-plate (10) under the portable plate (37), upstairs adjusting lever (4) below is connected to arm-tie (38) and also is connected to clutch cover adjustment fork (15).
4, according to the described Wheel-chair of taking turns of claim 1, the adjusting lever (6) that it is characterized in that safety fork (19) in the guiding mechanism connects, below adjusting lever, be fixed with two rear wheel brake bars (20) and also be connected to pull bar (32), it is fixing by steady pin (33) that vehicle frame (14) is equipped with location-plate (28), safety fork (19) is contained in the groove of location-plate (28) by fixed axis (29), back-moving spring (30) is used for making safe fork (19) to reset, pull bar (32) is connected on the middle part of location-plate (28) by locating shaft (31), and the front portion of pull bar (32) is connected with safety fork adjusting lever (6).
5, according to the described Wheel-chair of taking turns of claim 1, walking chain (9) previous section is raised by raising adjusting lever (5) and being connected steel cable (17) and raising bar (16) connection and adjust when it is characterized in that upstairs, raise bar (16) and be fixed on the chain position plate (10) by raising axle (35) and return spring (36), the front of raising bar (16) is equipped with one and is raised wheel (21).
6, according to the described Wheel-chair of taking turns of claim 1, it is characterized in that seat (3) is connected with vehicle frame (14) by two seat locating shafts (45) branch both sides, the parallel adjusting lever of seat (7) is connected adjustment with seat pull bar (47) with seat fixing head (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92229410 CN2139437Y (en) | 1992-07-24 | 1992-07-24 | Multifunctional wheelchair capable of walking up (down) stairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92229410 CN2139437Y (en) | 1992-07-24 | 1992-07-24 | Multifunctional wheelchair capable of walking up (down) stairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2139437Y true CN2139437Y (en) | 1993-08-04 |
Family
ID=33772796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92229410 Expired - Fee Related CN2139437Y (en) | 1992-07-24 | 1992-07-24 | Multifunctional wheelchair capable of walking up (down) stairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2139437Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715990A (en) * | 2012-04-11 | 2012-10-10 | 赵博 | Walking assistant robot |
| CN101816604B (en) * | 2009-02-26 | 2012-11-28 | 禄泰股份有限公司 | Wheelchair device with assistant function |
| CN103767841A (en) * | 2014-01-27 | 2014-05-07 | 河北工业大学 | Wheel and crawler type dual-purpose wheelchair for both roads and stairs |
| CN106109124A (en) * | 2016-08-20 | 2016-11-16 | 李小齐 | A kind of convenience climbs the wheelchair in building up and down |
| CN106109122A (en) * | 2016-07-13 | 2016-11-16 | 段中奇 | A kind of sit-astride upstairs going cart |
| CN112842722A (en) * | 2021-01-20 | 2021-05-28 | 何经健 | Electric wheelchair convenient for going upstairs and downstairs |
-
1992
- 1992-07-24 CN CN 92229410 patent/CN2139437Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101816604B (en) * | 2009-02-26 | 2012-11-28 | 禄泰股份有限公司 | Wheelchair device with assistant function |
| CN102715990A (en) * | 2012-04-11 | 2012-10-10 | 赵博 | Walking assistant robot |
| CN103767841A (en) * | 2014-01-27 | 2014-05-07 | 河北工业大学 | Wheel and crawler type dual-purpose wheelchair for both roads and stairs |
| CN103767841B (en) * | 2014-01-27 | 2016-09-21 | 河北工业大学 | A kind of Lun Lvshi road ladder two-use wheel chair |
| CN106109122A (en) * | 2016-07-13 | 2016-11-16 | 段中奇 | A kind of sit-astride upstairs going cart |
| CN106109122B (en) * | 2016-07-13 | 2017-11-14 | 段中奇 | A kind of sit-astride upstairs going cart |
| CN106109124A (en) * | 2016-08-20 | 2016-11-16 | 李小齐 | A kind of convenience climbs the wheelchair in building up and down |
| CN112842722A (en) * | 2021-01-20 | 2021-05-28 | 何经健 | Electric wheelchair convenient for going upstairs and downstairs |
| CN112842722B (en) * | 2021-01-20 | 2023-09-08 | 祐樘(南京)软件科技有限公司 | Electric wheelchair convenient to go up and down stairs |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |