CN106321682A - A one-way coupler - Google Patents
A one-way coupler Download PDFInfo
- Publication number
- CN106321682A CN106321682A CN201510274140.2A CN201510274140A CN106321682A CN 106321682 A CN106321682 A CN 106321682A CN 201510274140 A CN201510274140 A CN 201510274140A CN 106321682 A CN106321682 A CN 106321682A
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- Prior art keywords
- gear
- unilateral bearing
- driving
- driven
- shaft
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- 230000007704 transition Effects 0.000 claims abstract description 28
- 125000006850 spacer group Chemical group 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 32
- 238000010168 coupling process Methods 0.000 claims description 32
- 238000005859 coupling reaction Methods 0.000 claims description 32
- 239000007787 solid Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention provides a one-way coupler consisting of a first one-way bearing, a spacer bush, a driving gear, a transition gear, a small bearing, an outer ring, a driven gear, a large bearing, a second one-way bearing and a torsion plate. The first one-way bearing and the second one-way bearing of the one-way coupler are mutually opposite in direction, are separated from each other via the spacer bush and are installed on a driving shaft via key connection; the driving gear and the driven gear, in the form of bevel gears, face each other and the transition gear installed in the outer ring is connected therebetween; the outer ring is installed on the driven gear coaxially; the torsion plate is arranged on the outer ring in a sleeving manner via key connection. When the one-way coupler functions as a coupler specifically, the torsion plate is connected to a rack of equipment, and based on the working principle of the coupler and one-way bearings and gear transmission, no matter in which direction the driving shaft rotates, clockwise or counterclockwise, a driven shaft rotates in one direction (either clockwise or anticlockwise).
Description
Technical field
The present invention relates to General Mechanical Parts field, it is that one utilizes shaft coupling and unilateral bearing, and gear-driven operation principle combines molectron, can make no matter driving shaft rotates clockwise or counterclockwise, driven shaft all rotates (or clockwise or counterclockwise) to a direction.
Background technology
Existing shaft coupling is widely used in each mechanical field, shaft coupling is mainly used to couple two axle driving shafts in different institutions and driven shaft), it is allowed to jointly rotate to transmit the machine components of moment of torsion, in power transmission, shaft coupling has various ways, can be respectively provided with buffering, damping and the effect of raising axle system dynamic property；As it is shown in figure 1, most basic positive coupling 1 is made up of active flange 11, driven flange 12, connector 13 etc..
Tradition unilateral bearing is can be freely rotatable in a direction, and the most locked a kind of bearing, unilateral bearing is also one-way clutch, can name according to industry difference is different with effect, in carrying out transmission, unilateral bearing acts primarily as and surmounts, indexes and non-return effect.
Summary of the invention
The open one of the present invention utilizes shaft coupling and unilateral bearing, and gear-driven operation principle combines and the molectron that forms, it is called for short: unidirectional coupling, can make no matter driving shaft rotates clockwise or counterclockwise, driven shaft all rotates (or clockwise or counterclockwise) shaft coupling to a direction.
A kind of unidirectional coupling includes: the first unilateral bearing, spacer, driving gear, transition gear, little bearing, outer ring, driven gear, big bearing, the second unilateral bearing and torsion plate.
First unilateral bearing and second unilateral bearing of described unidirectional coupling are mutually opposing, separated by spacer, it is arranged on driving shaft with key connecting, such: a) when driving shaft rotates clockwise, first unilateral bearing is in " locked " state, then the first unilateral bearing shell rotates with driving shaft, and the second unilateral bearing is in " freely " state simultaneously, then the second unilateral bearing shell does not rotates with driving shaft；B) when driving shaft rotates counterclockwise, the first unilateral bearing is in " freely " state, then the first unilateral bearing shell does not rotates with driving shaft, and the second unilateral bearing is in " locked " state simultaneously, then the second unilateral bearing shell rotates with driving shaft；
nullThe driving gear of described unidirectional coupling、Transition gear and driven gear are all the same modulus bevel gears of right angle drive mode，And driving gear and the driven gear number of teeth equal，Transition gear is smaller，Driving gear is relative with driven gear profile of tooth，It is respectively fitted on the first unilateral bearing and the second unilateral bearing by key connecting，At least one (selecting three in this first embodiment) transition gear is arranged in the circle of outer ring by little bearing vertical axis，Transition gear is had to contact between the profile of tooth that so driving gear is relative with driven gear，Driven gear is enclosed within driven shaft by key connecting simultaneously，Driven shaft will rotate with driven gear，Additionally，Outer ring is arranged on driven gear by big coaxial bearing line，Torsion plate is enclosed within outer ring also by key connecting，When unidirectional coupling specifically undertakes shaft coupling function，Torsion plate needs by pin or is bolted on equipment rack，According to bevel gear drive principle，The i.e. rotation of driving gear and moment of torsion、Can be by transition gear transition，Transmit to driven gear，And the velocity of rotation of driven gear is identical with driving gear，But rotation direction is contrary
Therefore, the unidirectional coupling specific works principle of the present invention:
A) when driving shaft rotates clockwise, first unilateral bearing is in " locked " state, then unilateral bearing shell rotates with driving shaft, driving gear rotates with the first unilateral bearing shell, driving gear passes through transition gear to driven gear transmitting movement, now, the velocity of rotation of driven gear is identical with driving gear, but rotation direction is contrary, i.e. driven gear rotates counterclockwise, owing to driven gear is enclosed within driven shaft by key connecting, thus: driven shaft is identical with driving shaft 3 velocity of rotation, but rotation direction is contrary, i.e. driven shaft rotates counterclockwise；
Because driven gear is enclosed within the second unilateral bearing shell also by key connecting, now, second unilateral bearing shell rotates counterclockwise with driven gear, simultaneously when driving shaft rotates clockwise, second unilateral bearing is in " freely " state, then the second unilateral bearing shell does not rotates clockwise with driving shaft, so the second unilateral bearing shell rotates counterclockwise and is in " freely " state with the second unilateral bearing and do not produces contradiction.
B) when driving shaft rotates counterclockwise, second unilateral bearing is in " locked " state, then the second unilateral bearing shell rotates with driving shaft, driven gear only rotates to bearing case with second, owing to driven gear is enclosed within driven shaft by key connecting, thus: driven shaft is the most identical with driving shaft 3 velocity of rotation and rotation direction, and the most also driven shaft rotates counterclockwise；
Driven gear can be by transition gear to driving gear transmitting movement, now, the velocity of rotation of driving gear is identical with becoming moving gear, but rotation direction is contrary, i.e. driving gear rotates clockwise, owing to driving gear is enclosed within the first unilateral bearing shell by key connecting, thus: the first unilateral bearing shell also rotates clockwise；Simultaneously when driving shaft rotates counterclockwise, the first unilateral bearing is in " freely " state, then the first unilateral bearing shell is not with driving shaft rotation, so the first unilateral bearing shell also rotates clockwise and is in " freely " state with the first unilateral bearing and do not produces contradiction.
The invention has the beneficial effects as follows: no matter driving shaft rotates clockwise or counterclockwise unidirectional coupling, driven shaft all rotates (or clockwise or counterclockwise) to a direction, the present invention can be as unilateral bearing or tradition shaft coupling, become common part in mechanical drive train, be widely used in the multiple fields such as machinery, building, mine, military affairs.
Accompanying drawing explanation
Fig. 1 is the schematic front view of existing shaft coupling；
Fig. 2 is the schematic front view of the unidirectional coupling of the present invention；
Fig. 3 is the left view schematic diagram of the unidirectional coupling of the present invention；
Detailed description of the invention
As shown in Figure 2 and Figure 3, according to shaft coupling and unilateral bearing, and gear-driven operation principle, the specific embodiment of the invention is: a kind of unidirectional coupling 20 includes: the first unilateral bearing 21, spacer 22, driving gear 23, transition gear 24, little bearing 25, outer ring 26, driven gear 27, big bearing the 28, second unilateral bearing 29 and torsion plate 30；
First unilateral bearing 21 is mutually opposing with the second unilateral bearing 29, separated by spacer 22, it is arranged on driving shaft 3 with key connecting, therefore: a) as driving shaft 3 rotate clockwise time, first unilateral bearing 21 is in " locked " state, then the first unilateral bearing 21 shell rotates with driving shaft 3, and the second unilateral bearing 29 is in " freely " state simultaneously, then the second unilateral bearing 29 shell does not rotates with driving shaft 3；B) as driving shaft 1 rotate counterclockwise time, first unilateral bearing 21 is in " freely " state, then the first unilateral bearing 21 shell does not rotates with driving shaft 3, and the second unilateral bearing 29 is in " locked " state simultaneously, then the second unilateral bearing 29 shell rotates with driving shaft 3；
nullDriving gear 23、Transition gear 24 and driven gear 27 are all the same modulus bevel gears of right angle drive mode，And driving gear 23 and driven gear 27 number of teeth equal，Transition gear 24 is smaller，Driving gear 23 is relative with driven gear 27 profile of tooth，It is respectively fitted on the first unilateral bearing 21 and the second unilateral bearing 29 by key connecting，At least one (selecting three in this first embodiment) transition gear 24 is arranged on outer ring 26 and encloses interior with passing through little bearing 25 vertical axis，Transition gear 24 is had to contact between the profile of tooth that so driving gear 23 is relative with driven gear 27，Driven gear 27 is enclosed within driven shaft 4 by key connecting simultaneously，Driven shaft 4 will rotate with driven gear 27，Additionally，Outer ring 26 is coaxially mounted on driven gear 27 by big bearing 28，Torsion plate 30 is enclosed within outer ring 26 also by key connecting，When unidirectional coupling 2 specifically undertakes shaft coupling function，Torsion plate 30 needs by pin or is bolted on equipment rack，According to bevel gear drive principle，The i.e. rotation of driving gear 23 and moment of torsion、Can be by transition gear 24 transition，Transmit to driven gear 27，And the velocity of rotation of driven gear 27 is identical with driving gear 23，But rotation direction is contrary
Therefore the unidirectional coupling 20 specific works principle of the present invention:
A) when driving shaft 3 rotates clockwise, first unilateral bearing 21 is in " locked " state, then unilateral bearing 21 shell rotates with driving shaft 3, driving gear 23 rotates with the first unilateral bearing 21 shell, driving gear 23 passes through transition gear 24 to driven gear 27 transmitting movement, now, the velocity of rotation of driven gear 27 is identical with driving gear 23, but rotation direction is contrary, i.e. driven gear 27 rotates counterclockwise, owing to driven gear 27 is enclosed within driven shaft 4 by key connecting, thus: driven shaft 4 is identical with driving shaft 3 velocity of rotation, but rotation direction is contrary, i.e. driven shaft 4 rotates counterclockwise；
Because driven gear 27 is enclosed within the second unilateral bearing 29 shell also by key connecting, now, second unilateral bearing 29 shell rotates counterclockwise with driven gear 27, simultaneously when driving shaft 3 rotates clockwise, second unilateral bearing 29 is in " freely " state, then the second unilateral bearing 29 shell does not rotates clockwise with driving shaft 3, so the second unilateral bearing 29 shell rotates counterclockwise and is in " freely " state with the second unilateral bearing 29 and do not produces contradiction.
B) when driving shaft 3 rotates counterclockwise, second unilateral bearing 29 is in " locked " state, then the second unilateral bearing 29 shell rotates with driving shaft 3, driven gear 27 rotates with second single unilateral bearing 29 shell, owing to driven gear 27 is enclosed within driven shaft 4 by key connecting, thus: driven shaft 4 is the most identical with driving shaft 3 velocity of rotation and rotation direction, and the most also driven shaft 4 rotates counterclockwise；Driven gear 27 can be by transition gear 24 to driving gear 23 transmitting movement, now, the velocity of rotation of driving gear 23 is with to become moving gear 27 identical, but rotation direction is contrary, i.e. driving gear 23 rotates clockwise, owing to driving gear 23 is enclosed within the first unilateral bearing 21 shell by key connecting, thus: the first unilateral bearing 21 shell also rotates clockwise；Simultaneously when driving shaft 3 rotates counterclockwise, first unilateral bearing 21 is in " freely " state, then the first unilateral bearing 21 shell does not rotates with driving shaft 3, so the first unilateral bearing 21 shell also rotates clockwise and is in " freely " state with the first unilateral bearing 21 and do not produces contradiction.
Above content is to combine concrete preferred implementation this reality is invented the further description made, it is impossible to assert the present invention be embodied as be confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (1)
1. a unidirectional coupling includes: the first unilateral bearing, spacer, driving gear, transition gear,
Little bearing, outer ring, driven gear, big bearing, the second unilateral bearing and torsion plate.It is characterized in that:
First unilateral bearing and second unilateral bearing of described unidirectional coupling are mutually opposing, spacer separate,
It is arranged on driving shaft with key connecting, so: a) when driving shaft rotates clockwise, the first one-way shaft
Hold " locked " state that is in, then the first unilateral bearing shell rotates with driving shaft, and second is unidirectional simultaneously
Bearing is in " freely " state, then the second unilateral bearing shell does not rotates with driving shaft；B) actively
When axle rotates counterclockwise, the first unilateral bearing is in " freely " state, then the first unilateral bearing shell
Not rotating with driving shaft, the second unilateral bearing is in " locked " state, then the second unilateral bearing simultaneously
Shell rotates with driving shaft；The driving gear of described unidirectional coupling, transition gear and driven gear are equal
The same modulus bevel gear of right angle drive mode, and driving gear and the driven gear number of teeth equal, mistake
Crossing gear smaller, driving gear is relative with driven gear profile of tooth, is respectively fitted over first by key connecting
On unilateral bearing and the second unilateral bearing, transition gear is arranged on outer ring by little bearing vertical axis
In circle, between the profile of tooth that such driving gear is relative with driven gear, have transition gear to contact, simultaneously from
Moving gear is enclosed within driven shaft by key connecting, and driven shaft will rotate with driven gear, it addition,
Outer ring is arranged on driven gear by big coaxial bearing line, and torsion plate overlaps outside also by key connecting
On circle, when unidirectional coupling specifically undertakes shaft coupling function, torsion plate needs by pin or bolt solid
It is scheduled on equipment rack, according to rotation and moment of torsion, the energy of bevel gear drive principle, i.e. driving gear
By transition gear transition, transmit to driven gear, and the velocity of rotation of driven gear and driving tooth
Take turns identical, but rotation direction is contrary
Therefore, the unidirectional coupling specific works principle of the present invention:
A) when driving shaft rotates clockwise, the first unilateral bearing is in " locked " state, then single
Rotating with driving shaft to bearing case, driving gear rotates with the first unilateral bearing shell, driving gear
By transition gear to driven gear transmitting movement, now, the velocity of rotation of driven gear and driving tooth
Take turns identical, but rotation direction is contrary, i.e. driven gear rotates counterclockwise, owing to driven gear passes through key
Coupling sleeve on driven shaft, thus: driven shaft is identical with driving shaft 3 velocity of rotation, but rotation direction
On the contrary, i.e. driven shaft rotates counterclockwise；
Because driven gear is enclosed within the second unilateral bearing shell also by key connecting, now, second is single
Rotating counterclockwise with driven gear to bearing case, simultaneously when driving shaft rotates clockwise, second is single
Be in " freely " state to bearing, then the second unilateral bearing shell does not rotates clockwise with driving shaft,
So the second unilateral bearing shell rotates counterclockwise and is in " freely " state with the second unilateral bearing and does not produces
Raw contradiction.
B) when driving shaft rotates counterclockwise, the second unilateral bearing is in " locked " state, then and
Two unilateral bearing shells rotate with driving shaft, and driven gear only rotates to bearing case with second, by
It is enclosed within driven shaft by key connecting in driven gear, thus: driven shaft and driving shaft 3 velocity of rotation
The most identical with rotation direction, the most also driven shaft rotates counterclockwise；
Driven gear can be by transition gear to driving gear transmitting movement, now, driving gear
Velocity of rotation is identical with becoming moving gear, but rotation direction is contrary, i.e. driving gear rotates clockwise, by
It is enclosed within the first unilateral bearing shell by key connecting in driving gear, thus: outside the first unilateral bearing
Shell also rotates clockwise；Simultaneously when driving shaft rotates counterclockwise, the first unilateral bearing is in " freely "
State, then the first unilateral bearing shell does not rotates with driving shaft, so the first unilateral bearing shell is the most suitable
Hour hands rotate and the first unilateral bearing is in " freely " state and does not produce contradiction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510274140.2A CN106321682B (en) | 2015-05-19 | 2015-05-19 | Unidirectional coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510274140.2A CN106321682B (en) | 2015-05-19 | 2015-05-19 | Unidirectional coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106321682A true CN106321682A (en) | 2017-01-11 |
| CN106321682B CN106321682B (en) | 2018-06-29 |
Family
ID=57731765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510274140.2A Active CN106321682B (en) | 2015-05-19 | 2015-05-19 | Unidirectional coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106321682B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108946607A (en) * | 2018-08-31 | 2018-12-07 | 湖南三德科技股份有限公司 | Unidirectional torsion clutch and sample bottle automatic cap-rotating device for sample bottle automatic cap-rotating device |
| CN114183465A (en) * | 2020-09-13 | 2022-03-15 | 何景安 | Same-rotation external reciprocating shaft sleeve synchronous gear internal rotation transmission one-way bearing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04266622A (en) * | 1991-02-22 | 1992-09-22 | Ntn Corp | Rotation transmitting device |
| KR20070095107A (en) * | 2006-03-20 | 2007-09-28 | 한라공조주식회사 | Power transmit device |
| CN101436803A (en) * | 2007-11-16 | 2009-05-20 | 叶桂顺 | Speed reducing drive mechanism for adding engine oil for brushless electric machine gear |
| CN201507576U (en) * | 2009-08-11 | 2010-06-16 | 杨海良 | Inclined hook gear overriding clutch |
| CN102011812A (en) * | 2010-11-23 | 2011-04-13 | 王洪 | Energy-saving clutch for automobile |
| CN203580517U (en) * | 2013-10-22 | 2014-05-07 | 田庆 | Wheel and vehicle provided with same |
-
2015
- 2015-05-19 CN CN201510274140.2A patent/CN106321682B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04266622A (en) * | 1991-02-22 | 1992-09-22 | Ntn Corp | Rotation transmitting device |
| KR20070095107A (en) * | 2006-03-20 | 2007-09-28 | 한라공조주식회사 | Power transmit device |
| CN101436803A (en) * | 2007-11-16 | 2009-05-20 | 叶桂顺 | Speed reducing drive mechanism for adding engine oil for brushless electric machine gear |
| CN201507576U (en) * | 2009-08-11 | 2010-06-16 | 杨海良 | Inclined hook gear overriding clutch |
| CN102011812A (en) * | 2010-11-23 | 2011-04-13 | 王洪 | Energy-saving clutch for automobile |
| CN203580517U (en) * | 2013-10-22 | 2014-05-07 | 田庆 | Wheel and vehicle provided with same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108946607A (en) * | 2018-08-31 | 2018-12-07 | 湖南三德科技股份有限公司 | Unidirectional torsion clutch and sample bottle automatic cap-rotating device for sample bottle automatic cap-rotating device |
| CN108946607B (en) * | 2018-08-31 | 2023-07-14 | 湖南三德科技股份有限公司 | One-way torsion clutch for automatic cap screwing device of sample bottle and automatic cap screwing device of sample bottle |
| CN114183465A (en) * | 2020-09-13 | 2022-03-15 | 何景安 | Same-rotation external reciprocating shaft sleeve synchronous gear internal rotation transmission one-way bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106321682B (en) | 2018-06-29 |
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Effective date of registration: 20191224 Address after: 215000 Industrial Park, Zhaiji village, Wangting Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Suzhou lijuyou hydraulic lifting machinery Co., Ltd Address before: Futian District Hong Mei Road Shenzhen city Guangdong province 518034 No. 1036 Xiang Yi He Xiang Ge garden 18C Patentee before: Zhang Mingyong |