CN106402184B - A kind of flexible coupling - Google Patents
A kind of flexible coupling Download PDFInfo
- Publication number
- CN106402184B CN106402184B CN201611028530.2A CN201611028530A CN106402184B CN 106402184 B CN106402184 B CN 106402184B CN 201611028530 A CN201611028530 A CN 201611028530A CN 106402184 B CN106402184 B CN 106402184B
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- CN
- China
- Prior art keywords
- shaft coupling
- ring
- threaded hole
- expansion set
- inner ring
- 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.)
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- 230000008878 coupling Effects 0.000 title claims abstract description 114
- 238000010168 coupling process Methods 0.000 title claims abstract description 114
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 114
- 239000007787 solid Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
- F16D3/78—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members shaped as an elastic disc or flat ring, arranged perpendicular to the axis of the coupling parts, different sets of spots of the disc or ring being attached to each coupling part, e.g. Hardy couplings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a kind of flexible couplings, including first shaft coupling, elastic piece and second shaft coupling, first shaft coupling includes outer ring, inner ring and the first threaded fastener in outer ring, inner ring is coaxial with outer ring and is separated by form annular groove, inner ring one end and outer ring one end are both secured to the one side of elastic piece, the ring wall of inner ring is axially provided with the first release groove along inner ring, the ring wall of outer ring is axially provided with the second release groove along outer ring, inner ring ring wall is through with the first threaded hole along the radial direction of inner ring, outer ring ring wall is radially through with the second threaded hole, first threaded fastener is connected to the first threaded hole and the second threaded hole and is threadedly engaged respectively with the first threaded hole and the second threaded hole；The another side of elastic piece is fixed in one end of second shaft coupling.A kind of flexible coupling of the invention, is connect with elastic piece respectively using second shaft coupling and first shaft coupling, is reduced the centering requirement of axis connection, while the release groove that first shaft coupling opens up, is increased the flexibility of the flexible coupling.
Description
Technical field
The present invention relates in machine driving out-of-alignment interconnection technique more particularly to a kind of flexible coupling.
Background technique
Shaft coupling is the part for connecting driving shaft and driven shaft, for transmitting torque.Currently on the market, shaft coupling type is numerous
It is more, such as: flange-face coupling, drum-shaped tooth type shaft coupling, roller chain coupling, coupling with rubber type element, plum coupling, diaphragm shaft coupling
Device etc..Recently as the development of machine industry, the requirement to high-speed drive is increasingly stringenter.Coupler structure currently on the market
Complexity, centering require height, can not absorb impact endurance test shock well and transmit biggish torque, lead to the damage that shaft coupling is too fast
It is bad.
Summary of the invention
For overcome the deficiencies in the prior art, it the purpose of the present invention is to provide a kind of flexible coupling, is capable of providing
Large torque between driving shaft and driven shaft, impact endurance test shock is small, and centering requires small connection.
The purpose of the present invention is implemented with the following technical solutions:
A kind of flexible coupling, including second shaft coupling, elastic piece and first shaft coupling, first shaft coupling include outer ring,
Inner ring and the first threaded fastener in outer ring, inner ring is coaxial with outer ring and is separated by form annular groove, one end of inner ring
The one side of elastic piece is both secured to one end of outer ring, the ring wall edge of inner ring is parallel to inner ring axially direction and is provided with the first release
Slot, the ring wall of outer ring are provided with the second release groove along outer ring axially direction is parallel to, and the ring wall of inner ring is penetrated through along the radial direction of inner ring
There is the first threaded hole, the ring wall of outer ring is radially through with the second threaded hole, and the first threaded fastener is connected to the first threaded hole
It is threadedly engaged with the second threaded hole and respectively with the first threaded hole and the second threaded hole；Elasticity is fixed in one end of second shaft coupling
The another side of piece.
Preferably, the first release groove is multiple, and is uniformly distributed in the ring wall of inner ring, and the second release groove is multiple, and
The ring wall of outer ring is uniformly distributed.
Preferably, each first release groove and each second release groove are opposite one by one, design so easy to process.
Preferably, the first threaded hole is multiple, and is uniformly distributed in the ring wall of inner ring, and the second threaded hole is multiple, and
The ring wall of outer ring is uniformly distributed.
Preferably, first shaft coupling further includes at least two the first footing, inner ring and outer rings by the first footing one at
Type, the first footing are fixed on the one side of elastic piece.
Preferably, second shaft coupling includes shaft coupling tube body, upper expansion set seat, lower expansion set seat, upper expansion set, lower expansion set and the second spiral shell
Line fastener, upper expansion set seat are fixed in lower expansion set seat by the second threaded fastener, and upper expansion set and lower expansion set are socketed on connection respectively
One end of central siphon body, upper expansion set cover for seat are connected to expansion set, and lower expansion set cover for seat is connected to lower expansion set.
Preferably, shaft coupling tube body further includes at least two second footing, and the other end of shaft coupling tube body is solid by the second footing
It is connected to the another side of elastic piece.
Preferably, elastic piece is rounded, which can absorb impact and vibration, and can be avoided the flexibility
The stress generated when being misaligned when shaft coupling and axis connection, while can also be gone to increase elastic piece according to the size of driving torque
Quantity keeps the flexible coupling more flexible.
Compared with prior art, the beneficial effects of the present invention are: compared with the connection between traditional shaft coupling and axis, should
When the first shaft coupling and axis connection of flexible coupling, it should be noted that the axis being connected with first shaft coupling is hollow shaft,
And one end of axis is provided with axle thread hole corresponding with the first threaded hole and the second threaded hole, inner ring and outer rings are inserted into one end of axis
It is separated by the annular groove to be formed, the first threaded fastener is connected to the first threaded hole, the second threaded hole and axle thread hole and difference
It is threadedly coupled with the first threaded hole, the second threaded hole and axle thread hole, completes the connection of first shaft coupling and axis；Equally, second
When shaft coupling and axis connection, shaft coupling tube body is socketed on one end of axis, and upper expansion set seat is lock onto down swollen by the second threaded fastener
Block set generates pressing force radially respectively, and the upper expansion set and lower expansion set for being socketed on shaft coupling tube body radially apply by distich central siphon body
Compressive force, deformation occurs for shaft coupling tube body, so that shaft coupling tube body body and axis be made effectively to hold tightly, completes second shaft coupling and axis
Connection；There are also the first footing of the first shaft coupling of the flexible coupling to connect along axial with elastic component one side, second shaft coupling
The second footing connect along axial with the another side of elastic component, mended well so as to have to axial direction, radial direction and angular error
Correction effect is repaid, centering requirement is reduced；And the inner ring ring wall of first shaft coupling is provided with the first release groove, first shaft coupling it is outer
Ring ring wall is provided with the second release groove, when transmitting large torque between the shaft coupling and axis or generation impact connection, first
Deformation occurs for release groove and the second release groove, can compensate well for the connection stress generated when first shaft coupling and axis connection.
Detailed description of the invention
Fig. 1 is a kind of the schematic diagram of the section structure of flexible coupling of the invention；
Fig. 2 is a kind of structural schematic diagram of the first shaft coupling of flexible coupling of the invention；
Fig. 3 is a kind of structural schematic diagram of the elastic piece of flexible coupling of the invention；
Fig. 4 is a kind of surface structure schematic diagram of flexible coupling of the invention.
In figure: 1, first shaft coupling；2, second shaft coupling；10, inner ring；11, outer ring；12, the first footing；13, annular is recessed
Slot；14, the first release groove；15, the second release groove；20, shaft coupling tube body；21, the second footing；22, upper expansion set seat；23, upper expansion set；
24, lower expansion set seat；25, lower expansion set；30, elastic piece；40, the first threaded fastener；50, the second threaded fastener；60, actively
Axis；70, driven shaft.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention:
As shown in Figure 1 to 4, a kind of flexible coupling, including first shaft coupling 1, elastic piece 30 and second shaft coupling 2,
First shaft coupling 1 includes outer ring 11, the inner ring 10 in outer ring 11 and the first threaded fastener 40, and inner ring 10 and outer ring 11 are same
Axis and it is separated by form annular groove 13, one end of inner ring 10 and one end of outer ring 11 are both secured to the one side of elastic piece 30, inner ring
10 ring wall is provided with the first release groove 14 along 10 axially direction of inner ring is parallel to, and the ring wall edge of outer ring 11 is parallel to 11 axis of outer ring
To direction have the second release groove 15, the ring wall of inner ring 10 is through with the first threaded hole, the ring of outer ring 11 along the radial direction of inner ring 10
Wall is through with the second threaded hole along 11 radial direction of outer ring, and the first threaded fastener 40 is connected to the first threaded hole and the second threaded hole simultaneously
It is threadedly engaged respectively with the first threaded hole and the second threaded hole；The another side of elastic piece 30 is fixed in one end of second shaft coupling 2.
It should be noted that in the present embodiment, second shaft coupling 2 is connect with driven shaft 70, driven shaft 70 can be solid
Axis or hollow shaft, first shaft coupling 1 are connect with driving shaft 60, and driving shaft 60 is hollow shaft.
When on the basis of the said structure, using a kind of flexible coupling of the invention, first shaft coupling 1 and driving shaft 60 connect
When connecing, one end of driving shaft 60 is provided with axle thread hole corresponding with the first threaded hole and the second threaded hole, and the one of driving shaft 60
End insertion inner ring 10 and outer ring 11 are separated by the annular groove 13 to be formed, and the first threaded fastener 40 is connected to the first threaded hole, the
Two threaded holes and axle thread hole are simultaneously threadedly coupled with the first threaded hole, the second threaded hole and axle thread hole respectively, complete first
The connection of axis device 1 and driving shaft 60；There are also the first shaft couplings 1 of the flexible coupling to connect along axial direction with elastic piece 30 on one side,
Second shaft coupling 2 is connect along axial direction with the another side of elastic piece 30, so as to have very well to axial direction, radial direction and angular error
Ground compensates correction effect, reduces centering requirement；And 10 ring wall of inner ring of first shaft coupling 1 is provided with the first release groove 14, and first
11 ring wall of outer ring of shaft coupling 1 is provided with the second release groove 15, when transmitting large torque between first shaft coupling 1 and driving shaft 60 or
When generating impact connection, deformation occurs for the first release groove 14 and the second release groove 15, can compensate well for first shaft coupling 1 and active
The connection stress that axis 60 generates when connecting.
Preferably, in the present embodiment, as shown in Figure 1, Figure 2 and shown in Fig. 3, the first release groove 14 is multiple, and in inner ring 10
Ring wall be uniformly distributed, the second release groove 15 be it is multiple, and be uniformly distributed in the ring wall of outer ring 11；First release groove 14 can increase
Add inner ring 10 can deformation degree, the second release groove 15 can increase outer ring 11 can deformation degree, make first shaft coupling 1 and main
The connection of moving axis 60 is more flexible, and the first release groove 14 and the second release groove 15 are opposite one by one, design so easy to process.
Preferably, in the present embodiment, the first threaded hole is multiple, and is uniformly distributed in the ring wall of inner ring 10, the second screw thread
Hole is multiple, and is uniformly distributed in the ring wall of outer ring 11, and first shaft coupling 1 and driving shaft 60 is made to reach better locking.
Preferably, in the present embodiment, first shaft coupling 1 further includes at least two the first footing 12, inner ring 10 and outer ring
11 are integrally formed by the first footing 12, and the first footing 12 is fixed on the one side of elastic piece 30.
Preferably, in the present embodiment, second shaft coupling 2 include shaft coupling tube body 20, upper expansion set seat 22, lower expansion set seat 24,
Upper expansion set 23, lower expansion set 25 and the second threaded fastener 50, upper expansion set seat 22 are fixed in down swollen by the second threaded fastener 50
Block set 24, upper expansion set 23 and lower expansion set 25 are socketed on one end of shaft coupling tube body 20 respectively, and upper expansion set seat 22 is socketed on expansion set 23,
Lower expansion set seat 24 is socketed on lower expansion set 25；When second shaft coupling 2 is connect with driven shaft 70, shaft coupling tube body 20 is socketed on driven shaft 70
One end, upper expansion set seat 22 lock onto lower expansion set seat 24 by the second threaded fastener 50, generates pressing force radially respectively,
Radially distich central siphon body 20 applies pressing force to the upper expansion set 23 and lower expansion set 25 for being socketed on shaft coupling tube body 20, and shaft coupling tube body 20 is sent out
Raw deformation completes the connection of second shaft coupling 2 and driven shaft 70 so that shaft coupling tube body 20 and driven shaft 70 be made effectively to hold tightly；
Preferably, in the present embodiment, shaft coupling tube body 20 further includes at least two second footing 21, shaft coupling tube body 20 it is another
One end is fixed in the another side of elastic piece 30 by the second footing 21.
Preferably, in the present embodiment, elastic piece 30 is rounded, which can absorb impact and vibration
It is dynamic, and the second shaft coupling 2 that can be avoided the flexible coupling is connect with driven shaft 70 and the first shaft coupling of the flexible coupling
The stress that device 1 generates when misaligning when connecting with driving shaft 60, while can also be gone to increase elasticity according to the size of driving torque
The quantity of piece 30 keeps the flexible coupling more flexible.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection scope of the claims in the present invention
Within.
Claims (8)
1. a kind of flexible coupling, which is characterized in that including first shaft coupling, elastic piece and second shaft coupling, first shaft coupling
Inner ring and the first threaded fastener including outer ring, in outer ring, inner ring is coaxial with outer ring and is separated by form annular groove, interior
One end of ring and one end of outer ring are both secured to the side of elastic piece, and the ring wall edge of inner ring is parallel to inner ring axially direction and is provided with
First release groove, the ring wall edge of outer ring are parallel to outer ring axially direction and are provided with the second release groove, and the ring wall of inner ring is along inner ring
Radial direction is through with the first threaded hole, and the ring wall of outer ring is radially through with the second threaded hole, and the first threaded fastener is connected to the
One threaded hole and the second threaded hole are simultaneously threadedly engaged with the first threaded hole and the second threaded hole respectively；One end of second shaft coupling is solid
Due to the other side of elastic piece.
2. a kind of flexible coupling according to claim 1, which is characterized in that the first release groove is multiple, and in inner ring
Ring wall be uniformly distributed, the second release groove be it is multiple, and be uniformly distributed in the ring wall of outer ring.
3. a kind of flexible coupling according to claim 2, which is characterized in that each first release groove and each second release groove
It is opposite one by one.
4. a kind of flexible coupling according to claim 1, which is characterized in that the first threaded hole is multiple, and in inner ring
Ring wall be uniformly distributed, the second threaded hole be it is multiple, and be uniformly distributed in the ring wall of outer ring.
5. a kind of flexible coupling according to claim 4, which is characterized in that first shaft coupling further includes at least two
One footing, inner ring and outer rings are integrally formed by the first footing, and the first footing is fixed on the side of elastic piece.
6. a kind of flexible coupling according to claim 1, which is characterized in that second shaft coupling include shaft coupling tube body, on
Expansion set seat, lower expansion set seat, upper expansion set, lower expansion set and the second threaded fastener, upper expansion set seat are affixed by the second threaded fastener
In lower expansion set seat, upper expansion set and lower expansion set are socketed on one end of shaft coupling tube body respectively, and upper expansion set cover for seat is connected to expansion set, lower expansion set
Cover for seat is connected to lower expansion set.
7. a kind of flexible coupling according to claim 6, which is characterized in that shaft coupling tube body further includes at least two second
Footing, the other end of shaft coupling tube body are fixed in the other side of elastic piece by the second footing.
8. a kind of flexible coupling according to claim 1, which is characterized in that the elastic piece is rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611028530.2A CN106402184B (en) | 2016-11-18 | 2016-11-18 | A kind of flexible coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611028530.2A CN106402184B (en) | 2016-11-18 | 2016-11-18 | A kind of flexible coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106402184A CN106402184A (en) | 2017-02-15 |
| CN106402184B true CN106402184B (en) | 2019-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611028530.2A Active CN106402184B (en) | 2016-11-18 | 2016-11-18 | A kind of flexible coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106402184B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916256B (en) * | 2018-09-30 | 2019-09-20 | 杭州鑫凯传动机械有限公司 | A kind of shock absorption coupler of applicable more specification axis |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE624074C (en) * | 1930-10-04 | 1936-01-11 | Erich Scharwaechter | Socket pipe connection in which the expanded pipe plug-in end engages in a recess machined into the socket end |
| US3683643A (en) * | 1970-04-23 | 1972-08-15 | Gerhard Kirschey | Flexible coupling |
| JPH11132248A (en) * | 1997-10-31 | 1999-05-18 | Toshiba Ceramics Co Ltd | Supporting structure of ceramic roll |
| CN2589738Y (en) * | 2002-12-30 | 2003-12-03 | 姚郢达 | Diaphragm type coupler |
| KR20060039575A (en) * | 2004-11-03 | 2006-05-09 | 현대중공업 주식회사 | External fitting type of blasting hose coupler |
| CN200985099Y (en) * | 2006-08-25 | 2007-12-05 | 广东轻工机械二厂有限公司 | Power device for unloading machine |
| CN101936342A (en) * | 2010-08-31 | 2011-01-05 | 溧阳市威联传动机械有限公司 | Elastic coupling of one-way precise diaphragm |
-
2016
- 2016-11-18 CN CN201611028530.2A patent/CN106402184B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE624074C (en) * | 1930-10-04 | 1936-01-11 | Erich Scharwaechter | Socket pipe connection in which the expanded pipe plug-in end engages in a recess machined into the socket end |
| US3683643A (en) * | 1970-04-23 | 1972-08-15 | Gerhard Kirschey | Flexible coupling |
| JPH11132248A (en) * | 1997-10-31 | 1999-05-18 | Toshiba Ceramics Co Ltd | Supporting structure of ceramic roll |
| CN2589738Y (en) * | 2002-12-30 | 2003-12-03 | 姚郢达 | Diaphragm type coupler |
| KR20060039575A (en) * | 2004-11-03 | 2006-05-09 | 현대중공업 주식회사 | External fitting type of blasting hose coupler |
| CN200985099Y (en) * | 2006-08-25 | 2007-12-05 | 广东轻工机械二厂有限公司 | Power device for unloading machine |
| CN101936342A (en) * | 2010-08-31 | 2011-01-05 | 溧阳市威联传动机械有限公司 | Elastic coupling of one-way precise diaphragm |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106402184A (en) | 2017-02-15 |
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Application publication date: 20170215 Assignee: Science City (Guangzhou) Finance Leasing Co.,Ltd. Assignor: GUANGZHOU HAOZHI INDUSTRIAL Co.,Ltd. Contract record no.: X2020980004919 Denomination of invention: A flexible coupling Granted publication date: 20190219 License type: Exclusive License Record date: 20200813 |
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Denomination of invention: A flexible coupling Effective date of registration: 20200814 Granted publication date: 20190219 Pledgee: Science City (Guangzhou) Finance Leasing Co.,Ltd. Pledgor: GUANGZHOU HAOZHI INDUSTRIAL Co.,Ltd. Registration number: Y2020980005000 |
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Assignee: Science City (Guangzhou) Finance Leasing Co.,Ltd. Assignor: GUANGZHOU HAOZHI INDUSTRIAL Co.,Ltd. Contract record no.: X2020980004919 Date of cancellation: 20220825 |
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Date of cancellation: 20220826 Granted publication date: 20190219 Pledgee: Science City (Guangzhou) Finance Leasing Co.,Ltd. Pledgor: GUANGZHOU HAOZHI INDUSTRIAL Co.,Ltd. Registration number: Y2020980005000 |
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