CN108743088A - One-directionally rotate operating mechanism - Google Patents
One-directionally rotate operating mechanism Download PDFInfo
- Publication number
- CN108743088A CN108743088A CN201810708250.9A CN201810708250A CN108743088A CN 108743088 A CN108743088 A CN 108743088A CN 201810708250 A CN201810708250 A CN 201810708250A CN 108743088 A CN108743088 A CN 108743088A
- Authority
- CN
- China
- Prior art keywords
- brake
- transmission shaft
- rocking arm
- bearing
- handlebar
- Prior art date
- 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.)
- Pending
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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
- A61G5/10—Parts, details or accessories
- A61G5/1005—Wheelchairs having brakes
- A61G5/101—Wheelchairs having brakes of the parking brake type, e.g. holding the wheelchair
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M1/00—Rider propulsion of wheeled vehicles
- B62M1/14—Rider propulsion of wheeled vehicles operated exclusively by hand power
-
- 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
- A61G5/1032—Wheelchairs having brakes engaging an element of the drive or transmission, e.g. drive belt, electrodynamic brake
-
- 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
- A61G5/1051—Arrangements for steering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L3/00—Brake-actuating mechanisms; Arrangements thereof
- B62L3/02—Brake-actuating mechanisms; Arrangements thereof for control by a hand lever
-
- 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
- A61G2200/00—Information related to the kind of patient or his position
- A61G2200/10—Type of patient
- A61G2200/20—Type of patient with asymmetric abilities, e.g. hemiplegic or missing a limb
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Handcart (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
The present invention relates to a kind of operating mechanisms of manual one direction rotation, are mounted on before wheel-chair rack, are the important components of wheel-chair, belong to manual power assisting vehicle technical field.Including left handlebar, left rocking arm, spring washer, locking nut, key, sealing ring, screw, bearing (ball) cover, vehicle frame, handrail, brake gear, dust cover, right rocking arm, right handlebar, transmission shaft, sprocket wheel, bearing, ratchet mechanism and sleeve.Described brake gear is made of brake handle, brake holder, brake bar and brake connecting rod, and described ratchet mechanism is made of ratchet, nut, guide spring, check lever, coupling head and feather key.This operating mechanism both can with one-handed performance, can also both hands operate simultaneously, it is simple in structure, convenient for safeguard, it is easy to use, it is at low cost.
Description
Technical field
The present invention relates to one-directional rotation operating mechanisms, and in particular to a kind of operating mechanism of manual one direction rotation, installation
Before wheel-chair rack, belong to manual power assisting vehicle technical field.
Background technology
Currently, there is the disabled, people of legs and feet inconvenience in leg and the symptoms such as some legs and feet left due to disease are not agile
Number increases year by year, the trip of these people often relies on manual power assisting vehicle.For this purpose, we devise a kind of wheel-chair, this wheelchair
Vehicle is small, can usually be placed in room or even bedroom, narrow in road between can neatly navigating within narrow road
Lane, lane it is very useful, no matter travel or stop and is very convenient.It does not pollute, has in this wheel-chair operational process
Conducive to the protection of environment.For the personnel of legs and feet inconvenience, pass through the operation of hand, so that it may it is outgoing to achieve the purpose that, even
A little work in power can be done, without other people help.The present invention is a kind of operation of manual one direction rotation
Mechanism is mounted on before wheel-chair rack, is the important component of wheel-chair.This operating mechanism both can with one-handed performance,
Can also both hands operate simultaneously, it is simple in structure, convenient for safeguard, it is easy to use, it is at low cost.
Invention content
It is an object of the present invention to provide a kind of one-directional rotation operating mechanisms, are mounted on before wheel-chair rack, and legs and feet are inconvenient
Personnel, take wheel-chair, by the operation of hand, between can neatly navigating within narrow road, traveling and parking it is non-
It is often convenient, reach outgoing purpose, it might even be possible to more dry work in power, without other people help.Knot of the present invention
Structure is simple, easy to use convenient for safeguarding, at low cost.
The technical solution adopted by the present invention is：
Operating mechanism is one-directionally rotated, including left handlebar, left rocking arm, spring washer, locking nut, key, sealing ring, screw, bearing
End cap, vehicle frame, handrail, brake gear, dust cover, right rocking arm, right handlebar, transmission shaft, sprocket wheel, bearing, ratchet mechanism and sleeve,
Transmission shaft is mounted on bearings, and bearing support is on vehicle frame, and for left rocking arm by key connection in transmission shaft left end, left handlebar connection is left
Rocking arm, locking nut and spring washer are mounted on transmission shaft, and left rocking arm is fixed on transmission shaft by locking nut and spring washer
Left end；For right rocking arm by key connection in transmission shaft right end, right handlebar connects right rocking arm, locking nut and spring washer by right rocking arm
It is fixed on transmission shaft right end；Sprocket wheel is mounted on by key on transmission shaft, and dust cover is sleeved on right rocking arm external cylindrical surface, and is covered on
Outside sprocket wheel, the torque of left handlebar or right handlebar is transmitted on wheel by transmission shaft by sprocket wheel；Described transmission shaft is single order
Terraced axis, middle part are fixed on by bearing on vehicle frame, and there is screw thread, bearing inner race interference fit joint to be driven for transmission shaft left end and right end
On axis, bearing outer ring by transition be connected on vehicle frame, bearing (ball) cover is connected by screw on vehicle frame, bearing (ball) cover and
It is equipped with adjust pad between vehicle frame, sealing ring is equipped between bearing (ball) cover and transmission shaft；Handrail is mounted on above vehicle frame, and is passed through
It is screwed on vehicle frame；Described brake gear is made of brake handle, brake holder, brake bar and brake connecting rod, braking
Handle is hinged in brake holder, and brake handle connects brake connecting rod, and brake connecting rod connects brake bar, and brake bar is sleeved on braking branch
On frame, brake holder is welded on vehicle frame；Described ratchet mechanism by ratchet, nut, guide spring, check lever, coupling head and
Feather key forms, and ratchet is by being keyed on transmission shaft, and ratchet right end is connected with the shaft shoulder of transmission shaft, ratchet left end and sleeve
It is connected, coupling head left end is connected through a screw thread nut, and coupling head right end is threadedly attached on vehicle frame, and check lever passes through guiding
Inside coupling head, check lever left end is sleeved on inside guide spring key connection, and the gear teeth of check lever right end and ratchet are in contact.
Beneficial effects of the present invention：Operating mechanism is one-directionally rotated, is mounted on before wheel-chair rack, is the weight of wheel-chair
Want component part.For the personnel of legs and feet inconvenience, pass through the operation of hand, so that it may outgoing to achieve the purpose that, it might even be possible to
More dry work in power, without other people help.This operating mechanism both can with one-handed performance, can also both hands it is same
When operate, it is simple in structure, convenient for safeguard, it is easy to use, it is at low cost.
Description of the drawings
Fig. 1 is the overall construction drawing of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the A direction views of Fig. 1.
Fig. 5 is partial enlarged view B.
In figure：1. left handlebar, 2. left rocking arms, 3. spring washers, 4. locking nuts, 5. keys, 6. sealing rings, 7. screws, 8.
Bearing (ball) cover, 9. vehicle frames, 10. handrails, 11. brake handles, 12. brake holders, 13. dust covers, 14. right rocking arms, 15. right vehicles
, 16. transmission shafts, 17. sprocket wheels, 18. bearings, 19. ratchets, 20. sleeves, 21. nuts, 22. guide springs, 23. check levers,
24. coupling head, 25. feather keys, 26. brake bars, 27. brake connecting rods.
Specific implementation mode
Below in conjunction with attached drawing, by embodiment, the invention will be further described.
One-directionally rotate operating mechanism, including left handlebar 1, left rocking arm 2, spring washer 3, locking nut 4, key 5, sealing ring 6,
Screw 7, bearing (ball) cover 8, vehicle frame 9, handrail 10, brake gear, dust cover 13, right rocking arm 14, right handlebar 15, transmission shaft 16, chain
Wheel 17, bearing 18, ratchet mechanism and sleeve 20, transmission shaft is mounted on bearings, and for bearing support on vehicle frame, left rocking arm passes through key
Be connected to transmission shaft left end, left handlebar connects left rocking arm, and locking nut and spring washer are mounted on transmission shaft, locking nut and
Left rocking arm is fixed on transmission shaft left end by spring washer；Right rocking arm by key connection in transmission shaft right end, shake by the right handlebar connection right side
Right rocking arm is fixed on transmission shaft right end by arm, locking nut and spring washer；Sprocket wheel is mounted on by key on transmission shaft, dust cover
It is sleeved on right rocking arm external cylindrical surface, and covers on outside sprocket wheel, transmission shaft is passed the torque of left handlebar or right handlebar by sprocket wheel
It is delivered on wheel.
When wheel-chair needs to move ahead, user's left hand is held with a firm grip left handlebar, and the right hand holds the hand rail, and left handlebar rotates forward band
It moves left rocking arm to rotate together, left rocking arm drives transmission shaft to rotate by key, and transmission shaft drives the sprocket wheel rotation being mounted above, chain
Wheel drives the chain being mounted above that the torque of left handlebar is transmitted on wheel.When wheel-chair needs to move ahead, user
Can be held with a firm grip right handlebar with the right hand, left hand grip handrail, and right handlebar, which rotates forward, drives right rocking arm to rotate together, and right rocking arm passes through key
Drive transmission shaft rotation, transmission shaft that the sprocket wheel rotation being mounted above, sprocket wheel is driven to drive the chain that is mounted above by right vehicle
Torque be transmitted on wheel.When wheel-chair moves ahead, since speed is slower, user can also left hand hold with a firm grip left handlebar turn
Move left rocking arm, while hold with a firm grip right handlebar of the right hand rotates right rocking arm, left rocking arm and right rocking arm drive transmission shaft to rotate forward, pass simultaneously
Moving axis drives the sprocket wheel rotation being mounted above, by chain drive by the axletree of the torque transfer of transmission shaft to wheel-chair,
To drive the vehicle wheel rotation on axletree, wheel-chair to travel forward.The left handlebar of user's left or right hand alternate rotation or the right side
Handlebar, such user's left hand and the right hand can fully be rested.
Described transmission shaft is a multi-diameter shaft, and middle part is fixed on by bearing on vehicle frame, and transmission shaft left end and right end have
Screw thread, locking nut are threadedly attached on transmission shaft, and left rocking arm is fixed on a transmission shaft left side by locking nut and spring washer
End, right rocking arm is also fixed on transmission shaft right end by locking nut and spring washer.Bearing is deep groove ball bearing, bearing inner race interference
It being connected on transmission shaft, bearing outer ring is connected by transition on vehicle frame, and bearing (ball) cover is connected by screw on vehicle frame,
It is equipped with adjust pad between bearing (ball) cover and vehicle frame, sealing ring is equipped between bearing (ball) cover and transmission shaft.Handrail is housed on vehicle frame
And brake gear, handrail are mounted on above vehicle frame, and by being screwed on vehicle frame.
Described brake gear is made of brake handle 11, brake holder 12, brake bar 26 and brake connecting rod 27, brakes hand
Handle is hinged in brake holder, and brake handle connects brake connecting rod, and brake connecting rod connects brake bar, and brake bar is sleeved on brake holder
On, brake holder is welded on vehicle frame.When wheel-chair, which travels forward, needs parking, brake handle is moved clockwise, brakes hand
Stress is passed to brake connecting rod by handle, and brake connecting rod pushes brake bar to move down, and brake bar pushes following connected brake block
Wheel is tightly withstood, wheel-chair stopping travels forward.When wheel-chair needs to travel forward, brake handle is moved counterclockwise, is made
Fixed handle drives brake connecting rod, and to pull brake bar to move up, brake bar pulls following connected brake block far from wheel,
When left handlebar or right handlebar rotate forward, transmission shaft is driven to rotate forward, transmission shaft drives the sprocket wheel rotation being mounted above, chain
Wheel drives the chain being mounted above to transfer torque on wheel, and wheel-chair travels forward.
Described ratchet mechanism is by ratchet 19, nut 21, guide spring 22, check lever 23, coupling head 24 and feather key 25
Composition, ratchet is by being keyed on transmission shaft, and ratchet right end is connected with the shaft shoulder of transmission shaft, and ratchet left end is connected with sleeve,
Coupling head left end is connected through a screw thread nut, and coupling head right end is threadedly attached on vehicle frame, and check lever is connected by feather key
It is connected on inside coupling head, check lever left end is sleeved on inside guide spring, and the gear teeth of check lever right end and ratchet are in contact.When left vehicle
Or right handlebar rotate forward when, transmission shaft rotates counterclockwise, and transmission shaft drives the ratchet that is mounted above to turn counterclockwise together
Dynamic, guide spring compression, ratchet pushes check lever to be moved to the left, when wheel-chair stop motion or when on ramp, guide spring
Check lever is pushed down, check lever is withstood in ratchet wheel tooth socket, and transmission shaft cannot rotate clockwise, in this way it is prevented that wheel-chair falls
It moves back.
Claims (3)
1. operating mechanism is one-directionally rotated, including left handlebar（1）, left rocking arm（2）, spring washer（3）, locking nut（4）, key（5）,
Sealing ring（6）, screw（7）, bearing (ball) cover（8）, vehicle frame（9）, handrail（10）, brake gear, dust cover（13）, right rocking arm
（14）, right handlebar（15）, transmission shaft（16）, sprocket wheel（17）, bearing（18）, ratchet mechanism and sleeve（20）, transmission shaft（16）Peace
Mounted in bearing（18）On, bearing（18）It is supported on vehicle frame（9）On, left rocking arm（2）It is connected to transmission shaft（16）Left end, left handlebar
（1）Connect left rocking arm（2）, right rocking arm（14）It is connected to transmission shaft（16）Right end, right handlebar（15）Connect right rocking arm（14）, sprocket wheel
（17）Mounted on transmission shaft（16）On.
2. one-directional rotation operating mechanism according to claim 1, it is characterised in that described brake gear is by brake handle
（11）, brake holder（12）, brake bar（26）And brake connecting rod（27）Composition, brake handle（11）It is hinged on brake holder（12）
On, brake handle（11）Connect brake connecting rod（27）, brake connecting rod（27）Connect brake bar（26）, brake bar（26）It is sleeved on braking
Holder（12）On, brake holder（12）It is welded on vehicle frame（9）On.
3. one-directional rotation operating mechanism according to claim 1, it is characterised in that described ratchet mechanism is by ratchet（19）,
Nut（21）, guide spring（22）, check lever（23）, coupling head（24）And feather key（25）Composition, ratchet（19）It is connected to biography
Moving axis（16）On, check lever（23）Left end is sleeved on guide spring（22）The inside, check lever（23）Right end and ratchet（19）The gear teeth
It is in contact.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711290681.XA CN107826201A (en) | 2017-12-08 | 2017-12-08 | One kind sits dual-purpose vehicle using motor operating mechanism of standing |
| CN201711290681X | 2017-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108743088A true CN108743088A (en) | 2018-11-06 |
Family
ID=61642387
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711290681.XA Pending CN107826201A (en) | 2017-12-08 | 2017-12-08 | One kind sits dual-purpose vehicle using motor operating mechanism of standing |
| CN201810708250.9A Pending CN108743088A (en) | 2017-12-08 | 2018-07-02 | One-directionally rotate operating mechanism |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711290681.XA Pending CN107826201A (en) | 2017-12-08 | 2017-12-08 | One kind sits dual-purpose vehicle using motor operating mechanism of standing |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN107826201A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464559A (en) * | 2019-09-12 | 2019-11-19 | 华北理工大学 | A kind of Manual wheelchair vehicle |
| CN110517573A (en) * | 2019-08-02 | 2019-11-29 | 安徽盛鸿展览工程有限公司 | A kind of machinery rhythm apparatus for demonstrating demonstration ball two-way lifter structure |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108433892B (en) * | 2018-04-02 | 2023-12-01 | 上海理工大学 | Portable wheelchair booster |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2109835U (en) * | 1991-12-30 | 1992-07-15 | 刘天顺 | Auto-walk lioght wheelchair |
| CN1093895A (en) * | 1993-12-03 | 1994-10-26 | 中国人民解放军第一五二医院 | Two drive wheel chair for curing hemiparalysis |
| US6264224B1 (en) * | 1999-12-01 | 2001-07-24 | Cal M. Phillips | Dual drive bicycle |
| CN1641091A (en) * | 2004-01-14 | 2005-07-20 | 韩志强 | Lifting clothes horse hand rocking device |
| CN2907609Y (en) * | 2006-04-29 | 2007-06-06 | 梁建福 | Wheel chair driven by handlebar |
| CN200952443Y (en) * | 2006-08-17 | 2007-09-26 | 林建国 | Single-cylinder diesel engine starting machine |
| CN102499829A (en) * | 2011-10-20 | 2012-06-20 | 宁波市鄞州发辉机械科技有限公司 | Brake device of hand-cranking wheelchair |
| CN202335988U (en) * | 2011-11-18 | 2012-07-18 | 孙颖 | Folding hand-shaken four-wheel wheelchair |
| CN105167927A (en) * | 2015-09-17 | 2015-12-23 | 哈尔滨工程大学 | Wheel-track combined wheelchair capable of climbing stairs |
-
2017
- 2017-12-08 CN CN201711290681.XA patent/CN107826201A/en active Pending
-
2018
- 2018-07-02 CN CN201810708250.9A patent/CN108743088A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2109835U (en) * | 1991-12-30 | 1992-07-15 | 刘天顺 | Auto-walk lioght wheelchair |
| CN1093895A (en) * | 1993-12-03 | 1994-10-26 | 中国人民解放军第一五二医院 | Two drive wheel chair for curing hemiparalysis |
| US6264224B1 (en) * | 1999-12-01 | 2001-07-24 | Cal M. Phillips | Dual drive bicycle |
| CN1641091A (en) * | 2004-01-14 | 2005-07-20 | 韩志强 | Lifting clothes horse hand rocking device |
| CN2907609Y (en) * | 2006-04-29 | 2007-06-06 | 梁建福 | Wheel chair driven by handlebar |
| CN200952443Y (en) * | 2006-08-17 | 2007-09-26 | 林建国 | Single-cylinder diesel engine starting machine |
| CN102499829A (en) * | 2011-10-20 | 2012-06-20 | 宁波市鄞州发辉机械科技有限公司 | Brake device of hand-cranking wheelchair |
| CN202335988U (en) * | 2011-11-18 | 2012-07-18 | 孙颖 | Folding hand-shaken four-wheel wheelchair |
| CN105167927A (en) * | 2015-09-17 | 2015-12-23 | 哈尔滨工程大学 | Wheel-track combined wheelchair capable of climbing stairs |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110517573A (en) * | 2019-08-02 | 2019-11-29 | 安徽盛鸿展览工程有限公司 | A kind of machinery rhythm apparatus for demonstrating demonstration ball two-way lifter structure |
| CN110464559A (en) * | 2019-09-12 | 2019-11-19 | 华北理工大学 | A kind of Manual wheelchair vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107826201A (en) | 2018-03-23 |
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Application publication date: 20181106 |
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