CN208203834U - Shaft coupling and equipment with shaft coupling - Google Patents
Shaft coupling and equipment with shaft coupling Download PDFInfo
- Publication number
- CN208203834U CN208203834U CN201820299607.8U CN201820299607U CN208203834U CN 208203834 U CN208203834 U CN 208203834U CN 201820299607 U CN201820299607 U CN 201820299607U CN 208203834 U CN208203834 U CN 208203834U
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- Prior art keywords
- flange
- shaft coupling
- revolution
- concentric body
- protrusion
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- 230000008878 coupling Effects 0.000 title claims abstract description 64
- 238000010168 coupling process Methods 0.000 title claims abstract description 64
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 64
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 230000001915 proofreading effect Effects 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007322 compensatory function Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Diaphragms And Bellows (AREA)
Abstract
The utility model discloses a kind of shaft coupling and with the equipment of shaft coupling, including first flange, second flange and flexible sheet, the first flange has the first shaft hole and first end face axially penetrated through, the second flange has the second axis hole axially penetrated through and second end face, the first flange, second flange and diaphragm are integrally togather by fastener, the diaphragm is between the first flange and second flange, the shaft coupling further includes the first concentric body with first surface of revolution and the second concentric body with second surface of revolution, the first concentric body and the same centre of gyration of first shaft hole, the second concentric body and the same centre of gyration of the second axis hole, the first concentric body and the second concentric body socket, and first surface of revolution and second surface of revolution cooperate.When assembly, the first concentric body and the second concentric body socket cooperation can guarantee that two axis of institute's connecting device are installed with one heart, and can save concentric process of proofreading, installation effectiveness is high.
Description
Technical field
The utility model relates to shaft coupling fields, especially with respect to a kind of diaphragm coupling.
Background technique
In mechanical equipment, shaft coupling is used usually to transmit power.Metallic membrane shaft coupling is for joining the phases of two axis
There is a certain amount of compensation function to offset, thus be widely used.The typical structure of diaphragm coupling such as Fig. 1 extremely schemes
Shown in 3 comprising first flange 100 and second flange 200, first flange 100 and second flange 200 are connected by bolt 300,
Metallic elastic diaphragm 400 is cased on bolt 300, between first flange 100 and second flange 200, diaphragm has diaphragm 400
Centre bore 401 and around the equally distributed multiple through-holes 402 passed through for bolt of centre bore, the two sides of diaphragm 400 can be distinguished
Equipped with washer 500 and spacer 600.First flange 100 couples with first axle 700, and second flange 200 couples with the second axis 800, moves
Power can be transmitted to the second axis by first axle.
In practical applications, especially single flexible sheet shaft coupling, compensating action are confined to allow to join two axis mostly
There are certain axial dipole field and angle, such as in JB/T9147 standard, for I 1 shaft coupling of JM, then allows axial dipole field 1mm, angle
It is 1 ° to offset, and to radial missing (i.e. decentraction) then without compensation ability, that is, single flexible sheet shaft coupling is wanted in use
It asks and joins two axis and to guarantee with one heart.
In practical applications, two axis are accomplished to be difficult with one heart, are mainly shown as:
1, shaft coupling joins two axis and is belonging respectively to be separated from each other two components, does not have both in most cases coaxial
The condition of installation, such as motor and water pump are mounted on same plane (even Different Plane), it is ensured that two axis are concentric, just need
A dial gauge is fixed on a certain axis, enabled the contact of dial gauge withstand on the circumference of another axis and made rotating motion, according to
The variation of meter pointer is finally reached relatively with one heart (such as error 0.02mm) to move the position of one party；Its process is time-consuming
Arduously, reliability also cannot be guaranteed.If equipment needs repairing disassembly simultaneously, concentric mistake is then once proofreaded again
Journey.
2, coupler component part machining accuracy is difficult to ensure.As shown in Fig. 2, there are two for installing bolt on coupling flange
Hole 102, the position degree relative to flange axis hole wants exactly accurate；It is missed relative to the position degree of axis hole 101 in usual two holes 102
Difference only has 0.02mm；And for domestic working ability, machining accuracy preferably can only also accomplish 0.15mm or so.Some are specially
Industry producer in order to realize high-precision process, have to make purchases worth more valuableness German lathe, considerably increase processing cost.
3, the installation foundation part of equipment may deform in use, and the concentricity corrected originally can become again
Change.
Therefore, it is necessary to design a kind of new diaphragm coupling.
Utility model content
The utility model provides a kind of new shaft coupling and the equipment with shaft coupling.
The utility model provides a kind of shaft coupling, including first flange, second flange and flexible sheet, the first flange
First end face with the first shaft hole axially penetrated through and towards the second flange, the second flange, which has, to be axially penetrated through
Second axis hole and second end face towards the first flange, the first flange, second flange and diaphragm pass through fastener and join
One is connect, for the diaphragm between the first flange and second flange, the shaft coupling further includes having first surface of revolution
The first concentric body and the second concentric body with second surface of revolution, the first concentric body and the same centre of gyration of first shaft hole,
The second concentric body and the same centre of gyration of the second axis hole, the first concentric body and the second concentric body socket, and described first
The surface of revolution and the cooperation of second surface of revolution.
Socket refers to that the first concentric body entangles the second concentric body or the second concentric body entangles the first concentric body.
The first concentric body is provided at the first protrusion of annular shape of the first end face, and first surface of revolution is described
The outer peripheral surface of first protrusion, the annular shape second that the second concentric body is provided at the second end face is raised, and described second time
Turn the inner peripheral surface that face is second protrusion.Second protrusion entangles the first protrusion.
First surface of revolution has spherical surface comprising two kinds of situations, are entirely spherical surface one is first surface of revolution, another
It is partially only spherical surface that kind, which is first surface of revolution, which directly cooperates with second surface of revolution.By the way that spherical surface is arranged, can be compatible with existing
There is the angular compensatory function of coupling system.
The fastener is bolt, spacer and washer is cased on the bolt, the diaphragm covers on the bolt and quilt
It is clipped between the spacer and washer.
A kind of equipment with shaft coupling, including the first component with first axle and the second component with the second axis,
It further include the shaft coupling, the first axle is fixed on the first shaft hole of the shaft coupling, and second axis is fixed on described
Second axis hole of shaft coupling.Axis and corresponding axis hole can be fixed by way of key and keyway cooperation.
A kind of equipment with shaft coupling, including driving part, driven member and shaft coupling, the driving part have
First axle, the driven member have the second axis, and the shaft coupling includes first flange, second flange and flexible sheet, institute
Stating first flange, there is the first shaft hole axially penetrated through and the first end face towards the second flange, the first axle to be fixed on
The first shaft hole, the second flange have the second axis hole axially penetrated through and the second end face towards the first flange,
Second axis is fixed on second axis hole, and the first flange, second flange and diaphragm are integrally togather by fastener, institute
Diaphragm is stated between the first flange and second flange, the shaft coupling further includes first with first surface of revolution concentric
Body and the second concentric body with second surface of revolution, the first concentric body and the same centre of gyration of first shaft hole, described second is same
Heart body and the same centre of gyration of the second axis hole, the first concentric body and the socket of the second concentric body, and first surface of revolution and the
The cooperation of two-revolution face.
The first concentric body is provided at the first protrusion of annular shape of the first end face, and first surface of revolution is described
The circumferential surface of first protrusion, the second concentric body are provided at the second protrusion of annular shape of the second end face, second revolution
Face is the circumferential surface of second protrusion.First protrusion can entangle the second protrusion, make the inner peripheral surface and the second protrusion of the first protrusion
Outer peripheral surface cooperation.Second protrusion can entangle the first protrusion, and the outer peripheral surface of the inner peripheral surface and the first protrusion that make the second protrusion is matched
It closes.
The equipment is vortex air pump, and the driving part is motor, and the driven member is air pump assembly.
The beneficial effects of the utility model are: when assembly, the first concentric body and the second concentric body socket cooperation can be protected
It demonstrate,proves two axis to install with one heart, and concentric process of proofreading can be saved, installation effectiveness is high.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the existing diaphragm coupling with section；
Fig. 2 is the stereogram exploded view of existing diaphragm coupling；
Fig. 3 is the diagrammatic cross-section of existing diaphragm coupling；
Fig. 4 is the schematic perspective view of the first specific embodiment of diaphragm coupling；
Fig. 5 is the diagrammatic cross-section of the first specific embodiment of diaphragm coupling；
Fig. 6 is the partial enlarged view in Fig. 5 at A meaning；
Fig. 7 is the partial enlarged view of the second specific embodiment of diaphragm coupling；
Fig. 8 is the diagrammatic cross-section of equipment of the present embodiment with diaphragm coupling；
Fig. 9 is the partial enlarged view in Fig. 8 at B meaning.
Specific embodiment
The utility model is described in further detail below by specific embodiment combination attached drawing.
It as shown in Figures 4 to 6, is a kind of embodiment of diaphragm coupling.Diaphragm coupling can be used in connection and drive
Dynamic component and driven member comprising first flange 1, second flange 2 and metallic elastic diaphragm 3, first flange 1 and the second method
Orchid 2 is connected by bolt 4, and diaphragm 3 is fixed between first flange 1 and second flange 2 by bolt 4.
First flange 1 has the first shaft hole 11 axially penetrated through, and second flange 2 has the second axis hole 21 axially penetrated through.
First flange 1 has the first end face 12 towards second flange, and second flange 2 has the second end face 22 towards first flange.
First end face 12 is equipped with axially extending the first protrusion of annular shape 13, the first protrusion and the same centre of gyration of first shaft hole.Second end
Face 22 is equipped with axially extending the second protrusion of annular shape 23, the second protrusion and the same centre of gyration of the second axis hole.First protrusion 13
Outer diameter is matched with the internal diameter of the second protrusion 23.First shaft hole 11 can be used in installing the first axle of driving part or driven member
5, the second axis hole 21 can be used in installing the second axis 6 of driven member or driving part.
First flange 1 has multiple the first bolts hole 14 axially penetrated through, and second flange 2 has multiple the axially penetrated through
Two bolts hole 24, diaphragm 3 have centre bore and around the equally distributed multiple through-holes passed through for bolt of centre bore.
When assembly, first flange 1 and second flange 2 are docked, and the second protrusion 23 is aligned and entangles the first protrusion 13, bolt 4
It penetrates corresponding first bolt hole 14, through-hole and the second bolt hole 24 and is fixed with nut 7.
In present embodiment, first flange can have four the first bolts hole of same even circumferential distribution, second flange
It can have four the second bolts hole of same even circumferential distribution.The head of two bolts is located at first flange and about the first method
The blue centre of gyration is symmetrical, and in addition the head of two bolts is located at second flange and the centre of gyration about second flange is symmetrical.
Each bolt is cased with spacer 9 and washer 8, and spacer and washer clamp diaphragm.
As shown in fig. 6, the outer peripheral surface 131 of the first protrusion 13 is spherical surface in present embodiment.Second protrusion 23 entangles first
When protrusion 13, the inner peripheral surface 231 of the outer peripheral surface 131 of the first protrusion 13 and the second protrusion 23 cooperates.
As shown in fig. 7, in the second embodiment of diaphragm coupling, 13 outer peripheral surface of 1 first protrusion of first flange
131 have spherical surface 132, and the spherical surface 132 and the inner peripheral surface 231 of 2 second protrusion 23 of second flange directly cooperate.In the structure, outside
A part of circumferential surface is spherical surface.
For the diaphragm coupling, it is in the same centre of gyration for the protrusion of centering and the axis hole of flange, is machined
When can use the process program of " knife is fallen " completely, so that both easy to accomplish is concentric.Join the concentricity requirement of two axis
The cooperation precision raised depending on two, error can control in standard requirements, such as completely with regard to domestic level of processing
Within 0.02mm.As long as driving part and driven member push in the first, second protrusion of docking when installing, save
Check and correction concentric process.The bolt hole requirement on machining accuracy for installing bolt of shaft coupling is greatly reduced, and can incite somebody to action
The aperture of metallic membrane centre bore suitably increases, and facilitates installation.
It as can be seen from figures 8 and 9, is a kind of embodiment of the equipment with diaphragm coupling.The equipment includes driving portion
Part 50, driven member 60 and shaft coupling 70.Driving part 50 has first axle 5, and driven member 60 has the second axis 6, connection
Axis device 70 couples first axle 5 and the second axis 6.
Shaft coupling 70 includes first flange 1, second flange 2 and diaphragm 3.First flange 1 has the first axle axially penetrated through
Hole, second flange 2 have the second axis hole axially penetrated through.First flange 1 have the first end face 12 towards second flange, second
Flange has the second end face 22 towards first flange.It is bolted first flange 1 and second flange 2 and is fixed on diaphragm 3
Between first flange and second flange.
First end face 12 is equipped with axially extending the first protrusion of annular shape 13, and the first protrusion and first shaft hole are the same as in revolution
The heart.Second end face 22 be equipped with axially extending second protrusion of annular shape 23, second protrusion with the same centre of gyration of the second axis hole, second
End face 22 is additionally provided with step surface 24.The outer diameter of first protrusion 13 is matched with the internal diameter of the second protrusion 23.The end face of second axis 6 passes through
Screw 61 is fixed with separating part 62.When assembly, the first protrusion 13 and the second protrusion 23 are docked, and so that the second protrusion 23 is entangled first convex
13 are played, the outer peripheral surface cooperation of the inner peripheral surface of the second protrusion 23 and the first protrusion 13, it is convex that separating part 62 is located at step surface 24 and first
It rises between 13 end face.
In present embodiment, first axle and the same centre of gyration of first shaft hole, the second axis, the second axis hole, the second protrusion and circle
The same centre of gyration in annular engagement portion.
For diaphragm coupling, with first flange and second flange, first flange couples with first axle, second flange
Couple with the second axis, first flange and second flange are connected by bolts, and diaphragm is bolted to first flange and second
Between flange.Shaft coupling can also have the first concentric body and the second concentric body that can dock cooperation, the first concentric body and
The same centre of gyration of one axis hole, the second concentric body and the same centre of gyration of the second axis hole, when assembly, the first concentric body and the second concentric body
Socket cooperation.According to the difference of setting position, the first concentric body and the second concentric body can be realized three kinds of fit systems: axis and axis
Cooperate (i.e. two concentric bodies are respectively arranged on two axis)；(i.e. one concentric body is set to axis, another concentric body for axis and flange cooperation
Set on flange)；Flange and flange cooperation (that is, two concentric bodies are respectively arranged on two flanges, as shown in Fig. 6, Fig. 7 and Fig. 9).
The above content is combine specific embodiment further detailed description of the utility model, and it cannot be said that
The specific implementation of the utility model is only limited to these instructions.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made.
Claims (10)
1. a kind of shaft coupling, including first flange, second flange and flexible sheet, the first flange has the axially penetrated through
One axis hole and first end face towards the second flange, the second flange have the second axis hole axially penetrated through and towards institutes
The second end face of first flange is stated, the first flange, second flange and diaphragm are integrally togather by fastener, the diaphragm position
Between the first flange and second flange, which is characterized in that further include the first concentric body and tool with first surface of revolution
Have the second concentric body of second surface of revolution, the first concentric body and a same centre of gyration of first shaft hole, the second concentric body and
The same centre of gyration of second axis hole, the first concentric body and the second concentric body socket, and first surface of revolution and the second revolution
Face cooperation.
2. shaft coupling as described in claim 1, which is characterized in that the first concentric body is provided at the circle of the first end face
The first protrusion of ring-type, first surface of revolution are the outer peripheral surfaces of first protrusion, and the second concentric body is provided at described the
The second protrusion of annular shape of biend, second surface of revolution are the inner peripheral surfaces of second protrusion.
3. shaft coupling as described in claim 1, which is characterized in that the fastener is bolt, is cased with spacer on the bolt
And washer, the diaphragm are covered on the bolt and are sandwiched between the spacer and washer.
4. shaft coupling as described in claim 1, which is characterized in that first surface of revolution has spherical surface.
5. a kind of equipment with shaft coupling, including the first component with first axle and the second component with the second axis,
It is characterized in that, further includes shaft coupling described in any one of claim 1-4, the first axle is fixed on the shaft coupling
First shaft hole, second axis are fixed on the second axis hole of the shaft coupling.
6. a kind of equipment with shaft coupling, including driving part, driven member and shaft coupling, the driving part has the
One axis, the driven member have the second axis, and the shaft coupling includes first flange, second flange and flexible sheet, described
There is first flange the first shaft hole axially penetrated through and the first end face towards the second flange, the first axle to be fixed on institute
First shaft hole is stated, the second flange has the second axis hole axially penetrated through and the second end face towards the first flange, institute
It states the second axis and is fixed on second axis hole, the first flange, second flange and diaphragm are integrally togather by fastener, described
Diaphragm is between the first flange and second flange, which is characterized in that the shaft coupling further includes having first surface of revolution
The first concentric body and the second concentric body with second surface of revolution, the first concentric body and the same centre of gyration of first shaft hole,
The second concentric body and the same centre of gyration of the second axis hole, the first concentric body and the second concentric body socket, and described first
The surface of revolution and the cooperation of second surface of revolution.
7. having the equipment of shaft coupling as claimed in claim 6, which is characterized in that the first concentric body is provided at described the
The first protrusion of annular shape of one end face, first surface of revolution are the circumferential surfaces of first protrusion, and the second concentric body is to set
In the second protrusion of annular shape of the second end face, second surface of revolution is the circumferential surface of second protrusion.
8. having the equipment of shaft coupling as claimed in claim 6, which is characterized in that first surface of revolution has spherical surface.
9. having the equipment of shaft coupling as claimed in claim 6, which is characterized in that the fastener is bolt, the bolt
On be cased with spacer and washer, the diaphragm is covered on the bolt and is sandwiched between the spacer and washer.
10. the equipment with shaft coupling as described in any one of claim 6-9, which is characterized in that the equipment is whirlpool
Air pump is revolved, the driving part is motor, and the driven member is air pump assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820299607.8U CN208203834U (en) | 2018-03-02 | 2018-03-02 | Shaft coupling and equipment with shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820299607.8U CN208203834U (en) | 2018-03-02 | 2018-03-02 | Shaft coupling and equipment with shaft coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208203834U true CN208203834U (en) | 2018-12-07 |
Family
ID=64534985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820299607.8U Expired - Fee Related CN208203834U (en) | 2018-03-02 | 2018-03-02 | Shaft coupling and equipment with shaft coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208203834U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375004A (en) * | 2019-07-26 | 2019-10-25 | 周超 | A kind of yielding coupling |
| CN112112906A (en) * | 2020-06-01 | 2020-12-22 | 上海双钰传动机械有限公司 | Laminated flexible coupling |
-
2018
- 2018-03-02 CN CN201820299607.8U patent/CN208203834U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375004A (en) * | 2019-07-26 | 2019-10-25 | 周超 | A kind of yielding coupling |
| CN110375004B (en) * | 2019-07-26 | 2021-11-23 | 哈尔滨兰翔机械制造有限公司 | Elastic coupling |
| CN112112906A (en) * | 2020-06-01 | 2020-12-22 | 上海双钰传动机械有限公司 | Laminated flexible coupling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 |