CN207701625U - A kind of electromagnetic clutch - Google Patents
A kind of electromagnetic clutch Download PDFInfo
- Publication number
- CN207701625U CN207701625U CN201721923158.1U CN201721923158U CN207701625U CN 207701625 U CN207701625 U CN 207701625U CN 201721923158 U CN201721923158 U CN 201721923158U CN 207701625 U CN207701625 U CN 207701625U
- Authority
- CN
- China
- Prior art keywords
- electromagnetic clutch
- transmission shaft
- shell
- tubular conduit
- gear
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000013016 damping Methods 0.000 claims abstract description 24
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical group [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000012528 membrane Substances 0.000 description 23
- 238000012360 testing method Methods 0.000 description 9
- 239000002245 particle Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 230000005291 magnetic effect Effects 0.000 description 5
- 238000005183 dynamical system Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000005250 beta ray Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 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
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/02—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings
-
- 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
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/10—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings
- F16D27/108—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members
- F16D27/112—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members with flat friction surfaces, e.g. discs
-
- 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
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/14—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Sampling And Sample Adjustment (AREA)
- Braking Arrangements (AREA)
Abstract
The utility model discloses a kind of electromagnetic clutch comprising has：The middle of one shell, the shell is formed with an axial tubular conduit, and an annular accommodating cavity is formed with around the tubular conduit；One bearing is fixed on the end of the shell corresponding to the tubular conduit；One electromagnetic coil is set to around the tubular conduit in the annular accommodating cavity；One iron core is placed in the tubular conduit, and its end exposes outside the end face of the shell；One gear is set to the outside of the core ends；One damping piece fits in the outside of the gear；One transmission shaft, sequentially across the damping piece, gear, iron core and be arranged in the bearing, wherein the transmission shaft is fixedly connected with the iron core and the two can rotate synchronously.The electromagnetic clutch of the utility model has been arranged a damping piece being bonded with the gear based on clutch principle on transmission shaft, simple in structure, be less prone to failure and cost is relatively low.
Description
Technical field
The utility model is related to clutch fields, relate more specifically to a kind of electromagnetic clutch.
Background technology
With the increasing to the dynamics in terms of prevention and cure of air pollution, the detection to air particle concentration is more and more urgent
It cuts, currently, lot of domestic and international enterprise utilizes β ray method on-line checking particulate in air concentration.The test of β attenuation sensors is former
Reason is that β particles are mutually collided with the electronics in particulate matter occurs energy loss, is formed and is absorbed when β rays pass through certain substance
Phenomenon.When air particle concentration on-line checking, air sample, and blank testing filter membrane and collection sample respectively are collected using filter membrane
Filter membrane β ray particles after product by degree to calculate air particle concentration.When blank filter membrane test point and collection
Filter membrane test point test data in same position is most accurate after sample, therefore is utilizing β attenuation sensors on-line testing air
The filter membrane for testing blank can be generally transported to collection sample at sample collection when grain object concentration, transported again after the completion of sample collection
It moves and is tested at test, this creates the terminal the accurate reciprocating motions of filter membrane, and filter membrane has thin soft characteristic, and filter membrane
When volume transmission wound from a side to other side, filter membrane volume angular speed of both sides can constantly change during this, be similar to
Magnetic tape station, when side provides power, the complicated in mechanical structure of generation, of high cost, motion process is susceptible to failure.
And if bilateral provides power, can remove complicated mechanical structure from, it is only necessary to when side provides power, other side
State is remained idle, but filter membrane is soft thin, middle section can not support because detection needs, be not at tensioned state.And in machine
In tool field, clutch is an important mechanical part, it, which is primarily served, keeps mechanical system timely as required with dynamical system
Combination and the effect that detaches.
In consideration of it, the utility model provides a kind of structure letter can be used for micro-miniature structures based on clutch principle
Singly, it is less prone to failure and lower-cost electromagnetic clutch is to solve drawbacks described above.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of structures can be used for micro-miniature structures simply, is not easy
Failure and lower-cost electromagnetic clutch.
In order to solve the above technical problems, the utility model provides a kind of electromagnetic clutch, the electromagnetic clutch includes：
The middle of one shell, the shell is formed with an axial tubular conduit, is formed with around the tubular conduit
One annular accommodating cavity；
One bearing is fixed on the end of the shell corresponding to the tubular conduit；
One electromagnetic coil is set to around the tubular conduit in the annular accommodating cavity；
One iron core is placed in the tubular conduit, and its end exposes outside the end face of the shell；
One gear is set to the outside of the core ends；
One damping piece fits in the outside of the gear；
One transmission shaft, sequentially across the damping piece, gear, iron core and be arranged in the bearing, wherein the transmission shaft
It is fixedly connected with the iron core and the two can rotate synchronously.
Its further technical solution is：The shell further includes a coil pressure ring, and the coil pressure ring is covered on annular appearance
It sets on chamber.
Its further technical solution is：The coil pressure ring includes cylinder first top surface and from first top
The circular ring shape side wall that face edge extends downwardly, and the first top surface of the coil pressure ring offers one and is worn for the transmission shaft
First through hole.
Its further technical solution is：The electromagnetic clutch further includes having a cylinder catch, and the catch is solid
It is bonded due to the transmission the tip of the axis, and with the lateral surface of damping piece.
Its further technical solution is：The catch is fixedly connected by screw with the transmission shaft.
Its further technical solution is：The electromagnetic clutch further includes having a coil holder, and the coil holder is sheathed on the pipe
Shape channel and be set in the annular accommodating cavity, the electromagnetic coil is wound on the coil holder.
Its further technical solution is：The coil holder cross section is in I-shaped, and plastic material is selected to be made.
Its further technical solution is：The iron core includes a second cylinder top surface and hangs down from second top surface
The third cylinder ring directly to extend out, second top surface exposes outside the end face of the shell, and second top surface offers one
The second through-hole worn for the transmission shaft.
Its further technical solution is：The damping piece is sheet rubber.
Its further technical solution is：The transmission shaft selects stainless steel material to be made.
Compared with prior art, the electromagnetic clutch of the utility model is covered based on clutch principle on transmission shaft
If the damping piece being bonded with the gear, when the solenoid is activated, the magnetic that iron core and gear can be generated by electromagnetic coil
Field magnetization is attracting, and because transmission shaft is fixedly connected with iron core, then gear and transmission shaft rotate synchronously at this time；And when electromagnetic coil is obstructed
When electric, iron core and gear are in discrete state, then transmission shaft and gear respectively rotate freely, but the sheet rubber meeting being bonded with gear
Damping is generated to transmission shaft and gear rotation, to prevent transmission shaft rotation too loose, and the frictional force of damping piece can make filter membrane
In tensioned state, the electromagnetic clutch of the utility model is simple in structure, be less prone to without power such as complicated Pneumatic hydraulics
Failure and cost is relatively low.
Description of the drawings
Fig. 1 is the dimensional structure diagram of one specific embodiment of the application electromagnetic clutch.
Fig. 2 is the decomposition texture schematic diagram of electromagnetic clutch in Fig. 1.
Fig. 3 is the concrete structure schematic diagram of Fig. 1 middle casings.
Fig. 4 is the schematic elevation view of the application electromagnetic clutch.
Fig. 5 be electromagnetic clutch shown in Fig. 4 A-A to sectional view.
Specific implementation mode
To make those skilled in the art that the purpose of this utility model, technical solution and excellent be more clearly understood
Point is further elaborated the utility model below in conjunction with drawings and examples.
When in the prior art, using β attenuation sensors on-line testing air particle concentration, because filter membrane has thin soft spy
Property, and when filter membrane volume transmission wound from a side to other side, filter membrane volume angular speed of both sides can constantly become during this
Change, be similar to magnetic tape station, when side provides power, the complicated in mechanical structure of generation is of high cost, and motion process is susceptible to event
Barrier.For this problem, it is preferable that selection is respectively provided with power plant at left and right sides of filter membrane so that side provides dynamic when detection
When power, other side remains idle state, to promote filter membrane back and forth movement so that can filter membrane same place into line blank
Filter membrane is tested after filter membrane measuring point and collection sample.And can be played based on clutch keeps mechanical system timely as required with dynamical system
Combination and the principle that detaches, when side provides power when clutch can be arranged to meet detection in the power plant of both sides,
Other side remains idle the requirement of state, i.e. it is dynamic to provide that the clutch of side makes mechanical system be combined with dynamical system
Power, and the clutch of the other side makes mechanical system detached with dynamical system to remain idle.But because existing clutch generally relates to
And to the complicated component such as hydropneumatic, and most clutches are generally used in larger equipment, and principle analysis and structure are opposite
Complexity, and easy break-down devise a kind of knot can be used for micro-miniature structures so the utility model is based on above-mentioned design philosophy
Structure is simple, is less prone to failure and lower-cost electromagnetic clutch.
Referring to figs. 1 to Fig. 5, Fig. 1 to Fig. 5 illustrates a specific embodiment of the application electromagnetic clutch 100.In attached drawing institute
In the embodiment shown, the electromagnetic clutch 100 includes：The middle of one shell 1, the shell is formed with an axial pipe
Shape channel 15 is formed with an annular accommodating cavity 14, it is preferable that the shell 1 selects ferromagnetic material around the tubular conduit 15
It is made；One bearing 2, the end of the shell 1 is fixed on corresponding to the tubular conduit 15；One coil holder 3 is sheathed on described
Tubular conduit 15 and be set in the annular accommodating cavity 14；One electromagnetic coil 4, is wound on the coil holder 3, selects copper
At；One iron core 7, is placed in the tubular conduit 15, and its end exposes outside the end face of the shell 1；One gear 8, setting
Outside in 7 end of the iron core；One damping piece 10, fits in the outside of the gear 8, it is preferable that the damping piece 10
For sheet rubber；One transmission shaft 6, sequentially across the damping piece 10, gear 8, iron core 7 and be arranged in the bearing 2, wherein institute
State that transmission shaft 6 is fixedly connected with the iron core 7 and the two can rotate synchronously, the transmission shaft 6 selects stainless steel material to be made.Base
In above-mentioned design, when electromagnetic coil 4 is powered, iron core 7 and gear 8 can be attracting by magnetic field magnetization that electromagnetic coil 4 generates, because passing
Moving axis 6 is fixedly connected with the iron core 7, then gear 8 and transmission shaft 6 rotate synchronously at this time；And when 4 no power of electromagnetic coil,
Iron core 7 and gear 8 are in discrete state, then transmission shaft 6 and gear 8 respectively rotate freely, but the sheet rubber meeting being bonded with gear 8
Damping is generated to transmission shaft 6 and the rotation of gear 8, to prevent the rotation of transmission shaft 6 too loose, and the frictional force of damping piece 10 can solve
Certainly filter membrane is soft thin, and middle section is because detection needs, and the problem of can not supporting, be not at tensioned state, so that filter membrane is in and tightens shape
State.And the catch 9 can prevent iron core 7, gear 8 and damping piece 10 to be detached from from the transmission shaft 6.
In certain preferred embodiments, the coil holder 3 includes a cylinder third top surface 31, from the third top surface 31
The 4th cylinder ring 32 for extending vertically out and the cylinder bottom surface 33 to extend out from 32 end of the 4th cylinder ring,
The bottom surface 33 is identical as 31 shape and structure of third top surface, and 3 cross section of coil holder is in I-shaped, selection plastic material system
At the electromagnetic coil 4 is wound on the 4th cylinder ring 32.
With continued reference to Fig. 1, in the embodiment shown in the figures, the shell 1 further includes having a coil pressure ring 5, the line
Circle pressure ring 5 is covered on the annular accommodating cavity 14.Preferably, the coil pressure ring 5 includes a first cylinder top surface
51 and from the circular ring shape side wall 52 that 51 edge of the first top surface extends downwardly, the third top surface 31 of the coil holder 3 can be put
It is placed in the space that 5 first top surface 51 of the coil pressure ring and side wall 52 are formed, the coil pressure ring 5, which is selected, to be not easy to be magnetized
Material (such as plastics, stainless steel etc.) is made, and the first top surface 51 of the coil pressure ring 5 offers one and worn for the transmission shaft 6
If first through hole.Based on the design of coil pressure ring 5, the third top surface 31 of the coil holder 3 can be positioned over the coil pressure ring 5
In the space that one top surface 51 and side wall 52 are formed, then the position of the coil holder 3 can be fixed.
In certain preferred embodiments, the iron core 7 includes cylinder second top surface 71 and from second top
The third cylinder ring 72 that face 71 extends vertically out, the second top surface 71 of the iron core 7, which corresponds at the third cylinder ring 72, opens
Equipped with one second through-hole, the third cylinder ring 72 is placed in the tubular conduit 15, and the transmission shaft 6 runs through described second
Through-hole and third cylinder ring 72 and be arranged in the bearing 2, the second top surface 71 of the iron core 7 exposes outside the coil pressure ring 5
The first top surface 51.
In certain preferred embodiments, the electromagnetic clutch 100 further includes having a cylinder catch 9, the biography
Moving axis 6 is fixedly connected after passing through the damping piece 10 with the catch 9, which corresponds to indent at the transmission shaft 6
It is formed with the first vessel 91 of a receiving 6 end of transmission shaft, the catch 9 is fixedly connected by screw with the transmission shaft 6,
It selects stainless steel material to be made.
In conclusion the electromagnetic clutch of the utility model has been arranged one based on clutch principle on transmission shaft
The damping piece being bonded with the gear, when the solenoid is activated, the magnetic field that iron core and gear can be generated by electromagnetic coil magnetize
Attracting, because transmission shaft is fixedly connected with iron core, then gear and transmission shaft rotate synchronously at this time；And when electromagnetic coil no power,
Iron core and gear are in discrete state, then the sheet rubber that transmission shaft and gear are respectively rotated freely, but be bonded with gear can be to passing
Moving axis and gear rotation generate damping, and to prevent transmission shaft rotation too loose, and the frictional force of damping piece can be such that filter membrane is in
Tensioned state, the electromagnetic clutch of the utility model are simple in structure, be less prone to failure without power such as complicated Pneumatic hydraulics
And cost is relatively low.
The above is only the preferred embodiment of the present invention, rather than does limit in any form to the utility model
System.Those skilled in the art can impose various equivalent changes and improvement on the basis of the above embodiments, all to be wanted in right
The equivalent variations done in range or modification are asked, should fall within the protection scope of this utility model.
Claims (10)
1. a kind of electromagnetic clutch, which is characterized in that the electromagnetic clutch includes：
The middle of one shell, the shell is formed with an axial tubular conduit, and a ring is formed with around the tubular conduit
Shape accommodating cavity；
One bearing is fixed on the end of the shell corresponding to the tubular conduit；
One electromagnetic coil is set to around the tubular conduit in the annular accommodating cavity；
One iron core is placed in the tubular conduit, and its end exposes outside the end face of the shell；
One gear is set to the outside of the core ends；
One damping piece fits in the outside of the gear；
One transmission shaft, sequentially across the damping piece, gear, iron core and be arranged in the bearing, wherein the transmission shaft and institute
State that iron core is fixedly connected and the two can rotate synchronously.
2. electromagnetic clutch as described in claim 1, it is characterised in that：The shell further includes a coil pressure ring, the line
Circle pressure ring is covered on annular accommodating cavity.
3. electromagnetic clutch as claimed in claim 2, it is characterised in that：The coil pressure ring includes cylinder first
Top surface and the circular ring shape side wall extended downwardly from first top edge, and the first top surface of the coil pressure ring offers
One first through hole worn for the transmission shaft.
4. electromagnetic clutch as described in claim 1, it is characterised in that：The electromagnetic clutch further include have it is one cylinder
Catch, the catch is fixed on the transmission the tip of the axis, and is bonded with the lateral surface of damping piece.
5. electromagnetic clutch as claimed in claim 4, it is characterised in that：The catch is fixed by screw and the transmission shaft
Connection.
6. electromagnetic clutch as described in claim 1, it is characterised in that：The electromagnetic clutch further includes having a coil holder, institute
It states coil holder to be sheathed on the tubular conduit and be set in the annular accommodating cavity, the electromagnetic coil is wound in the coil holder
On.
7. electromagnetic clutch as claimed in claim 6, it is characterised in that：The coil holder cross section is in I-shaped, selection modeling
Material material is made.
8. electromagnetic clutch as described in claim 1, it is characterised in that：The iron core includes a second cylinder top surface
And the third cylinder ring for extending vertically out from second top surface, second top surface expose outside the end face of the shell, and
Second top surface offers second through-hole worn for the transmission shaft.
9. electromagnetic clutch as described in claim 1, it is characterised in that：The damping piece is sheet rubber.
10. electromagnetic clutch as described in claim 1, it is characterised in that：The transmission shaft selects stainless steel material to be made.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721923158.1U CN207701625U (en) | 2017-12-29 | 2017-12-29 | A kind of electromagnetic clutch |
| PCT/CN2018/075533 WO2019127850A1 (en) | 2017-12-29 | 2018-02-07 | Electromagnetic clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721923158.1U CN207701625U (en) | 2017-12-29 | 2017-12-29 | A kind of electromagnetic clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207701625U true CN207701625U (en) | 2018-08-07 |
Family
ID=63030778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721923158.1U Expired - Fee Related CN207701625U (en) | 2017-12-29 | 2017-12-29 | A kind of electromagnetic clutch |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207701625U (en) |
| WO (1) | WO2019127850A1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2412123Y (en) * | 1999-12-14 | 2000-12-27 | 北京东方渴望科技发展有限公司 | Non-slide ring electromagnetic clutch able to be directly connected with flywheel |
| CN2575363Y (en) * | 2002-10-29 | 2003-09-24 | 王树生 | Stable control oil pressure valve set |
| JP6335028B2 (en) * | 2014-06-04 | 2018-05-30 | Ntn株式会社 | Electromagnetic coupling device |
| CN206218965U (en) * | 2016-11-29 | 2017-06-06 | 宁波嘉思特智能设备有限公司 | Milipore filter film filament winding rolls up machine |
-
2017
- 2017-12-29 CN CN201721923158.1U patent/CN207701625U/en not_active Expired - Fee Related
-
2018
- 2018-02-07 WO PCT/CN2018/075533 patent/WO2019127850A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019127850A1 (en) | 2019-07-04 |
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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 |
Granted publication date: 20180807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |