CN106321682B - Unidirectional coupling - Google Patents
Unidirectional coupling Download PDFInfo
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- CN106321682B CN106321682B CN201510274140.2A CN201510274140A CN106321682B CN 106321682 B CN106321682 B CN 106321682B CN 201510274140 A CN201510274140 A CN 201510274140A CN 106321682 B CN106321682 B CN 106321682B
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- gear
- unilateral bearing
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- shaft
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Abstract
The present invention discloses a kind of unidirectional coupling and is made of the first unilateral bearing, spacer, driving gear, transition gear, small bearing, outer ring, driven gear, big bearing, the second unilateral bearing and torsion plate.The first unilateral bearing and the second unilateral bearing of unidirectional coupling are mutually opposing, it is separated by spacer, it is mounted on driving shaft with key connecting, the driving gear of bevel gear form is opposite with driven gear tooth form, centre connection is mounted on the transition gear in the circle of outer ring, outer ring is coaxially mounted on driven gear, the bonded ground connection of torsion plate is sleeved on outer ring, when unidirectional coupling specifically undertakes shaft coupling function, torsion plate is connected on equipment rack, according to shaft coupling and unilateral bearing, and gear-driven operation principle, i.e. no matter driving shaft rotates clockwise or counterclockwise, driven shaft to direction (or clockwise, or counterclockwise) rotation.
Description
Technical field
The present invention relates to General Mechanical Parts fields, are a kind of utilization shaft coupling and unilateral bearing and gear-driven work
Be combined sub-assembly as principle, no matter driving shaft can be rotated clockwise or counterclockwise, driven shaft to the rotation of direction (or
Clockwise or counterclockwise).
Background technology
Existing shaft coupling is widely used in each machinery field, and shaft coupling is mainly used to couple two axis in different institutions
Driving shaft and driven shaft), it is allowed to rotate jointly to transmit the machine components of torque, in power transmission, there are many shapes for shaft coupling
Formula can be respectively provided with buffering, damping and the effect for improving shafting dynamic property；As shown in Figure 1, most basic positive coupling 1
It is made of active flange 11, driven flange 12, connector 13 etc..
Traditional unilateral bearing is can be freely rotated in one direction, and a kind of bearing locked in the other directions,
Unilateral bearing is also one-way clutch, can be named according to industry difference is with effect different, in being driven, unilateral bearing master
Serve and surmount, index and non-return.
Invention content
The present invention discloses a kind of utilization shaft coupling and unilateral bearing and gear-driven operation principle is combined and forms
Sub-assembly, referred to as：Unidirectional coupling, no matter can rotate clockwise or counterclockwise driving shaft, driven shaft is to a direction
Rotation (or clockwise or counterclockwise) shaft coupling.
A kind of unidirectional coupling includes：First unilateral bearing, spacer, driving gear, transition gear, small bearing, outer ring, from
Moving gear, big bearing, the second unilateral bearing and torsion plate.
The first unilateral bearing and the second unilateral bearing of the unidirectional coupling are mutually opposing, are separated by spacer, with bonded
It connects on driving shaft, so：A) when driving shaft rotates clockwise, the first unilateral bearing is in " locked " state, then and
One unilateral bearing shell is rotated with driving shaft, while the second unilateral bearing is in " freedom " state, then the second unilateral bearing shell
It is not rotated with driving shaft；B) when driving shaft rotates counterclockwise, the first unilateral bearing is in " freedom " state, then the first one-way shaft
It holds shell not rotate with driving shaft, while the second unilateral bearing is in " locked " state, then the second unilateral bearing shell is with actively
Shaft rotation is moved；
Driving gear, transition gear and the driven gear of the unidirectional coupling are the same modulus umbrellas of right-angle drive mode
Shape gear, and driving gear and the driven gear number of teeth are equal, transition gear is smaller, driving gear and driven gear tooth form phase
It is right, it is respectively fitted on the first unilateral bearing and the second unilateral bearing by key connecting, it is at least one (in this first embodiment
Selection three) transition gear by small bearing vertical axis be mounted on outer ring circle in, such driving gear and driven gear phase
To tooth form between have transition gear contact, while driven gear is sleeved on by key connecting on driven shaft, driven shaft will be with driven
Gear rotates together, in addition, outer ring is mounted on by big coaxial bearing line on driven gear, torsion plate is also by bonded female connector
On outer ring, when unidirectional coupling specifically undertakes shaft coupling function, torsion plate needs to be fixed on equipment machine by pin or bolt
On frame, according to bevel gear transmission principle, i.e., the rotation of driving gear and torque, can be by transition gear transition, to driven tooth
Wheel transmits, and the velocity of rotation of driven gear is identical with driving gear, but rotation direction is opposite
Therefore, unidirectional coupling concrete operating principle of the invention：
A) when driving shaft rotates clockwise, the first unilateral bearing is in " locked " state, then unilateral bearing shell is with master
Moving axis rotates, and driving gear is rotated with the first unilateral bearing shell, and driving gear is transmitted to driven gear by transition gear and transported
Dynamic, at this point, the velocity of rotation of driven gear is identical with driving gear, but rotation direction is on the contrary, i.e. driven gear rotates counterclockwise,
Since driven gear is sleeved on by key connecting on driven shaft, so as to：Driven shaft is identical with 3 velocity of rotation of driving shaft, but rotation side
To on the contrary, i.e. driven shaft rotates counterclockwise；
Because driven gear is sleeved on also by key connecting on the second unilateral bearing shell, at this point, the second unilateral bearing shell
It being rotated counterclockwise with driven gear, while when driving shaft rotates clockwise, the second unilateral bearing is in " freedom " state, then and
Two unilateral bearing shells are not rotated clockwise with driving shaft, so the second unilateral bearing shell rotates counterclockwise and the second one-way shaft
It holds and does not generate contradiction in " freedom " state.
B) when driving shaft rotates counterclockwise, the second unilateral bearing is in " locked " state, then the second unilateral bearing shell
Rotated with driving shaft, driven gear is only rotated with second to bearing case, due to driven gear be sleeved on by key connecting it is driven
On axis, so as to：Driven shaft and 3 velocity of rotation of driving shaft and rotation direction are all identical, i.e., also driven shaft rotates counterclockwise；
Driven gear can by transition gear to driving gear transmit move, at this point, the velocity of rotation of driving gear with
It is identical into moving gear, but rotation direction is on the contrary, i.e. driving gear rotates clockwise, since driving gear by key connecting is sleeved on
On one unilateral bearing shell, so as to：First unilateral bearing shell also rotates clockwise；Simultaneously when driving shaft rotates counterclockwise,
First unilateral bearing is in " freedom " state, then the first unilateral bearing shell is not rotated with driving shaft, so the first unilateral bearing
Shell, which is also rotated clockwise, to be in " freedom " state with the first unilateral bearing and does not generate contradiction.
The beneficial effects of the invention are as follows：Unidirectional coupling no matter driving shaft rotate clockwise or counterclockwise, driven shaft to
One direction rotation (or clockwise or counterclockwise), the present invention can become machinery as unilateral bearing or traditional shaft coupling
Common part in power train is widely used in the multiple fields such as machinery, building, mine, military affairs.
Description of the drawings
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；
Specific embodiment
As shown in Figure 2 and Figure 3, it is of the invention specific real according to shaft coupling and unilateral bearing and gear-driven operation principle
The mode of applying is：A kind of unidirectional coupling 20 includes：It is first unilateral bearing 21, spacer 22, driving gear 23, transition gear 24, small
Bearing 25, outer ring 26, driven gear 27, big bearing 28, the second unilateral bearing 29 and torsion plate 30；
First unilateral bearing 21 and the second unilateral bearing 29 are mutually opposing, are separated by spacer 22, and master is mounted on key connecting
On moving axis 3, therefore：When a) being rotated clockwise such as driving shaft 3, the first unilateral bearing 21 is in " locked " state, then first is unidirectional
21 shell of bearing is rotated with driving shaft 3, while the second unilateral bearing 29 is in " freedom " state, then 29 shell of the second unilateral bearing
It is not rotated with driving shaft 3；When b) being rotated counterclockwise such as driving shaft 1, the first unilateral bearing 21 is in " freedom " state, then first is single
It is not rotated to 21 shell of bearing with driving shaft 3, while the second unilateral bearing 29 is in " locked " state, then the second unilateral bearing 29
Shell is rotated with driving shaft 3；
Driving gear 23, transition gear 24 and driven gear 27 are the same modulus bevel gears of right-angle drive mode, and
Driving gear 23 is equal with 27 number of teeth of driven gear, and transition gear 24 is smaller, driving gear 23 and 27 tooth form phase of driven gear
It is right, it is respectively fitted on the first unilateral bearing 21 and the second unilateral bearing 29 by key connecting, at least one (this first embodiment
Middle selection three) transition gear 24 by small 25 vertical axis of bearing is mounted in outer ring 26 encloses, such driving gear 23 and
There is transition gear 24 to contact between the opposite tooth form of driven gear 27, while driven gear 27 is sleeved on driven shaft 4 by key connecting
On, driven shaft 4 will be rotated with driven gear 27, in addition, outer ring 26 is coaxially mounted to driven tooth by big bearing 28
On wheel 27, torsion plate 30 is sleeved on also by key connecting on outer ring 26, when unidirectional coupling 2 specifically undertakes shaft coupling function, is turned round
Power plate 30 needs to be fixed on equipment rack by pin or bolt, according to turn of bevel gear transmission principle, i.e. driving gear 23
Dynamic and torque can be transmitted by 24 transition of transition gear to driven gear 27, and the velocity of rotation of driven gear 27 and active
Gear 23 is identical, but rotation direction is opposite
Therefore 20 concrete operating principle of unidirectional coupling of the present invention：
A) when driving shaft 3 rotates clockwise, the first unilateral bearing 21 is in " locked " state, then outside unilateral bearing 21
Shell is rotated with driving shaft 3, driving gear 23 with 21 shell of the first unilateral bearing rotate, driving gear 23 by transition gear 24 to
Driven gear 27 transmits movement, at this point, the velocity of rotation of driven gear 27 is identical with driving gear 23, but rotation direction on the contrary,
I.e. driven gear 27 rotates counterclockwise, since driven gear 27 is sleeved on by key connecting on driven shaft 4, so as to：Driven shaft 4 and master
3 velocity of rotation of moving axis is identical, but rotation direction is on the contrary, i.e. driven shaft 4 rotates counterclockwise；
Because driven gear 27 is sleeved on also by key connecting on 29 shell of the second unilateral bearing, at this point, the second unilateral bearing
29 shells are rotated counterclockwise with driven gear 27, while when driving shaft 3 rotates clockwise, and the second unilateral bearing 29 is in " certainly
By " state, then 29 shell of the second unilateral bearing is not rotated clockwise with driving shaft 3, so the 29 shell inverse time of the second unilateral bearing
Needle rotates and the second unilateral bearing 29 is in " freedom " state and does not generate contradiction.
B) when driving shaft 3 rotates counterclockwise, the second unilateral bearing 29 is in " locked " state, then the second unilateral bearing 29
Shell is rotated with driving shaft 3, and driven gear 27 is rotated with the second 29 shell of single unilateral bearing, since driven gear 27 is by bonded
Female connector on driven shaft 4, so as to：Driven shaft 4 and 3 velocity of rotation of driving shaft and rotation direction are all identical, i.e. also 4 inverse time of driven shaft
Needle rotates；Driven gear 27 can be transmitted to driving gear 23 by transition gear 24 and be moved, at this point, the rotation of driving gear 23
Speed is identical with into moving gear 27, but rotation direction is on the contrary, i.e. driving gear 23 rotates clockwise, since driving gear 23 passes through
Key connecting is sleeved on 21 shell of the first unilateral bearing, so as to：First unilateral bearing, 21 shell also rotates clockwise；Simultaneously actively
When axis 3 rotates counterclockwise, the first unilateral bearing 21 is in " freedom " state, then 21 shell of the first unilateral bearing is not with driving shaft 3
Rotation, so 21 shell of the first unilateral bearing also rotates clockwise and is in " freedom " state with the first unilateral bearing 21 and do not generate lance
Shield.
The above content is combine specific preferred embodiment to invent this reality made further description, it is impossible to recognize
The specific implementation of the fixed present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs,
Without departing from the inventive concept of the premise, several simple deduction or replace can also be made, should all be considered as belonging to the present invention
Protection domain.
Claims (1)
1. unidirectional coupling, including the first unilateral bearing, spacer, driving gear, transition gear, small bearing, outer ring, driven tooth
Wheel, big bearing, the second unilateral bearing and torsion plate, it is characterised in that：First unilateral bearing of the unidirectional coupling and second
Unilateral bearing is mutually opposing, is separated by spacer, is mounted on driving shaft with key connecting, specially：A) turn clockwise in driving shaft
When dynamic, the first unilateral bearing is in " locked " state, then the first unilateral bearing shell is rotated with driving shaft, while the second one-way shaft
" freedom " state of being in is held, then the second unilateral bearing shell is not rotated with driving shaft；B) when driving shaft rotates counterclockwise, first
Unilateral bearing is in " freedom " state, then the first unilateral bearing shell is not rotated with driving shaft, while the second unilateral bearing is in
" locked " state, then the second unilateral bearing shell rotated with driving shaft；The driving gear of the unidirectional coupling, transition gear and
Driven gear is the same modulus bevel gear of right-angle drive mode, and driving gear and the driven gear number of teeth are equal, transition tooth
Take turns smaller, driving gear is opposite with driven gear tooth form, and the first unilateral bearing and second unidirectional is respectively fitted over by key connecting
On bearing, transition gear is mounted on by small bearing vertical axis in the circle of outer ring, and such driving gear is opposite with driven gear
Tooth form between have transition gear contact, while driven gear is sleeved on by key connecting on driven shaft, driven shaft will be with driven tooth
Wheel rotates together, in addition, outer ring is mounted on by big coaxial bearing line on driven gear, torsion plate is sleeved on also by key connecting
On outer ring, when unidirectional coupling specifically undertakes shaft coupling function, torsion plate needs to be fixed on equipment rack by pin or bolt
On, according to bevel gear transmission principle, i.e., the rotation of driving gear and torque, can be by transition gear transition, to driven gear
It transmits, and the velocity of rotation of driven gear is identical with driving gear, but rotation direction is on the contrary, therefore, of the invention is unidirectional
Axis implement body operation principle：
A) when driving shaft rotates clockwise, the first unilateral bearing is in " locked " state, then unilateral bearing shell is with driving shaft
Rotation, driving gear are rotated with the first unilateral bearing shell, and driving gear is transmitted to driven gear by transition gear and moved, this
When, the velocity of rotation of driven gear is identical with driving gear, but rotation direction is on the contrary, i.e. driven gear rotates counterclockwise, due to
Driven gear is sleeved on by key connecting on driven shaft, so as to：Driven shaft is identical with 3 velocity of rotation of driving shaft, but rotation direction phase
Instead, i.e., driven shaft rotates counterclockwise；
Because driven gear is sleeved on also by key connecting on the second unilateral bearing shell, at this point, the second unilateral bearing shell is accompanied
Moving gear rotates counterclockwise, while when driving shaft rotates clockwise, and the second unilateral bearing is in " freedom " state, then second is single
Do not rotated clockwise to bearing case with driving shaft, thus the second unilateral bearing shell rotate counterclockwise at the second unilateral bearing
Contradiction is not generated in " freedom " state；
B) when driving shaft rotates counterclockwise, the second unilateral bearing is in " locked " state, then the second unilateral bearing shell is with master
Moving axis rotates, and driven gear is only rotated with second to bearing case, since driven gear is sleeved on by key connecting on driven shaft,
So as to：Driven shaft and 3 velocity of rotation of driving shaft and rotation direction are all identical, i.e., also driven shaft rotates counterclockwise；
Driven gear can be transmitted to driving gear by transition gear and be moved, at this point, the velocity of rotation of driving gear with into dynamic
Gear is identical, but rotation direction is on the contrary, i.e. driving gear rotates clockwise, and due to driving gear, by key connecting to be sleeved on first single
On bearing case, so as to：First unilateral bearing shell also rotates clockwise；Simultaneously when driving shaft rotates counterclockwise, first
Unilateral bearing is in " freedom " state, then the first unilateral bearing shell is not rotated with driving shaft, so the first unilateral bearing shell
Also it rotates clockwise and is in " freedom " state with the first unilateral bearing and does not generate 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 CN106321682A (en) | 2017-01-11 |
| CN106321682B true CN106321682B (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510274140.2A Active CN106321682B (en) | 2015-05-19 | 2015-05-19 | Unidirectional coupling |
Country Status (1)
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| CN (1) | CN106321682B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2886698B2 (en) * | 1991-02-22 | 1999-04-26 | エヌティエヌ株式会社 | Rotation transmission device |
| KR20070095107A (en) * | 2006-03-20 | 2007-09-28 | 한라공조주식회사 | Power transmit device |
| CN101436803B (en) * | 2007-11-16 | 2011-12-14 | 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 |
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2015
- 2015-05-19 CN CN201510274140.2A patent/CN106321682B/en active Active
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| CN106321682A (en) | 2017-01-11 |
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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 |
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| TR01 | Transfer of patent right |