CN207989591U - A kind of electromagnetic clutch - Google Patents
A kind of electromagnetic clutch Download PDFInfo
- Publication number
- CN207989591U CN207989591U CN201820312771.8U CN201820312771U CN207989591U CN 207989591 U CN207989591 U CN 207989591U CN 201820312771 U CN201820312771 U CN 201820312771U CN 207989591 U CN207989591 U CN 207989591U
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- CN
- China
- Prior art keywords
- drive disk
- friction plate
- rubbing surface
- driven shaft
- shape
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- Expired - Fee Related
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Abstract
The utility model provides a kind of electromagnetic clutch, including electromagnetic coil assembly, fixing axle, driven shaft, drive disk, friction plate and fixed plate, the shape of drive disk is the annular shape that side is equipped with circle shape groove, the drive disk other side is equipped with cricoid first rubbing surface, the evenly-spaced sliding groove being located on same annulus is equipped on the inside of first rubbing surface, drive disk external cylindrical surface is equipped with can be due to the slip gear of belt transmission.The shape of friction plate is the annular shape that both sides are equipped with mounting groove, and centre is splined hole, and wherein side is equipped with the second rubbing surface coordinated with first rubbing surface and can stretch into the elastic key in sliding groove.The design of the utility model makes fricton-tight frictional heat inside clutch, and sliding friction is transferred to clutch Outside, improves the convenience of heat dissipation performance and maintenance.
Description
Technical field
The utility model is related to a kind of clutch, more specifically to a kind of electromagnetic clutch.
Background technology
Electromagnetic clutch controls the engagement of clutch and detaches by the power on/off of coil.Electromagnetic clutch can be divided into:It is dry
Formula monolithic electromagnetic clutch, dry-type multidisc electromagnetic clutch, wet type multi-disc electromagnetic clutch, magnetic powder cluth, slip type electromagnetism
Clutch etc..Dry single-disk electromagnetic clutch, coil generate magnetic force when being powered, under the action of electromagnetic force, make the plate of friction plate
Spring is deformed, and drive disk is pulled together with friction plate, and clutch is in engagement state；When coil blackout, magnetic force disappears, and rubs
Wiping board rebounds under the action of elasticity of plate spring, and clutch is in discrete state.
When load is larger, drive disk, which can not be successfully, drives friction plate rotation, can be produced between drive disk and friction plate
Raw opposite sliding generates a large amount of heat, keeps clutch internal temperature excessively high, this be also it is now relatively common cause electromagnetism from
The reason of clutch is damaged.
Utility model content
Problem to be solved in the utility model is to provide a kind of electromagnetism for the above-mentioned deficiency in the presence of the prior art
Clutch solves the problems, such as that electromagnetic clutch causes internal temperature excessively high because of drive disk and friction plate sliding friction.
To achieve the above object, the utility model uses the following technical solution：
A kind of electromagnetic clutch, including electromagnetic coil assembly, fixing axle and driven shaft, driven shaft are moved by axial limitation,
Further include drive disk, friction plate and fixed plate；
The shape of the drive disk is the annular shape that one end is equipped with circle shape groove, and electromagnetic coil assembly is coaxial to be fixed on
On coil assembly and the coiler part of electromagnetic coil assembly is mounted in the groove, and the drive disk other end is equipped with the first friction
Face, the first rubbing surface are equipped with the evenly-spaced sliding groove being located on same annulus, and drive disk external cylindrical surface is equipped with available
In the slip gear of belt transmission；
The shape of the friction plate is the annular shape that both ends are equipped with mounting groove, and the centre of friction plate is equipped with splined hole, rubs
Wiping board wherein one end is equipped with the second rubbing surface coordinated with first rubbing surface and can stretch into the elastic key in sliding groove, rubs
It is equipped with fixed plate in the mounting groove of the wiping board other end, is equipped with the guide post through two plates between fixed plate and friction plate, the two of guide post
End is respectively equipped with a banking stop, and fixed plate is connect by leaf spring simultaneously with friction plate；
The driven shaft is mounted in the bearing in the fixed plate and the splined end of driven shaft matches with the splined hole
It closes, and friction plate can be slid axially along the splined end of driven shaft.
Further, second rubbing surface is equipped with several blind holes, and columned spring, spring court are fixed in blind hole
The one end in blind hole aperture is fixedly sleeved on one end of elastic key, and the other end of the elastic key stretches out blind hole and first, second
Rubbing surface can slide into when relatively rotating in the sliding groove.
Further, the slip gear includes that edge is sequentially sleeved at the drive disk outer circle away from friction plate direction
The first drag ring, belt wheel, the second drag ring, holddown spring and fastening swivel nut, the first drag ring on cylinder are fixed with drive disk
Connection is equipped with sliding sleeve between belt wheel and drive disk external cylindrical surface, belt wheel both sides are equipped with frictional layer, the second drag ring not with drive
Moving plate is fixedly connected, and fastening swivel nut is threadedly coupled with drive disk external cylindrical surface.
Further, the leaf spring respectively with fixed plate back to friction plate one side and friction plate back to drive disk side
Face be fixedly connected, and the leaf spring be three.
Compared with the prior art, the utility model has the advantages that：
The utility model utilizes the operation principle of dry sheet type electromagnetic clutch, has the advantages that high-speed response, durability are strong；
The cooperation of elastic key and sliding groove makes not producing relative sliding between friction plate and drive disk, and empty calory generates, and passes through simultaneously
Sliding friction is transferred at the belt wheel of clutch Outside by friction component, convenient for heat loss, measuring temperature, while the side of maintenance
Just.
Part is illustrated to embody by the further advantage, target and feature of the utility model by following, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the utility model overall structure sectional view；
Fig. 2 is friction plate right view；
Fig. 3 is friction plate left view；
Fig. 4 is drive disk right view；
Fig. 5 is slip gear enlarged view.
Specific implementation mode
In order to make, technological means of the utility model, creation characteristic, reached purpose and effect are more clear and are easy to
Understand, the utility model is further elaborated with reference to the accompanying drawings and detailed description：
As shown in Figs. 1-5, the utility model proposes a kind of electromagnetic clutch, including electromagnetic coil assembly 1, fixing axle and
Driven shaft, driven shaft are axially limited, and further include drive disk 2, friction plate and fixed plate 4, and electromagnetic coil assembly 1 is solid by bolt
It is scheduled on set mounting surface, is not rotated with device.
The shape of the drive disk 2 is the annular shape that one end is equipped with circle shape groove, the coiler part of electromagnetic coil assembly 1
In the groove, drive disk 2 is metal material, and electromagnetic coil energization makes 2 band of drive disk be magnetic, can inhale friction plate 3
Attached that it is made to be bonded with drive disk 2, the one end of drive disk 2 towards friction plate 3 is equipped with the first rubbing surface；It rubs for convenience of heat dissipation, first
Wiping face is equipped with portion concave.First rubbing surface is additionally provided with the evenly-spaced sliding groove 6 on same annulus, and slides
6 place annulus of slot and fixing axle are coaxial, and 2 external cylindrical surface of drive disk is equipped with the slip gear 7 that can be used for belt transmission.It is described
Slip gear 7 includes along the first drag ring being sequentially sleeved at away from 3 direction of friction plate on 2 external cylindrical surface of the drive disk
71, belt wheel 72, the second drag ring 73, holddown spring 74 and fastening swivel nut 75, the first drag ring 71 and 2 external cylindrical surface of drive disk are solid
It is fixed to connect, sliding sleeve 76 is equipped between 2 external cylindrical surface of belt wheel 72 and drive disk, belt wheel 72 can slide on sliding sleeve 76, slide
76 smooth outer surfaces are covered, inner surface is fixed on drive disk 2, can prevent belt wheel 72 from being worn mutually with 2 external cylindrical surface of drive disk, band
It takes turns 72 both sides and is equipped with frictional layer, the second drag ring 73 and 2 clearance fit of drive disk, fastening swivel nut 75 and 2 outside cylinder of drive disk
Face is threadedly coupled belt wheel 72 and also uses metal material, electromagnetic coil that can be adsorbed mutually when being powered with drag ring, while compressing bullet
Under the action of spring 74, when normal work, pressure is more than the first rubbing surface and the between the second drag ring 73 and the first drag ring 71
Pressure between two rubbing surfaces will not be slided mutually.
The shape of the friction plate 3 is the annular shape that both ends are equipped with mounting groove, and centre is splined hole, and friction plate 3 is wherein
One end is equipped with the second rubbing surface coordinated with first rubbing surface and stretches into the elastic key 5 in sliding groove 6, and described second rubs
Wiping face is equipped with several blind holes, is fixed with columned spring in blind hole, the one end in spring towards blind hole aperture is fixedly sleeved on bullet
Property key 5 one end, the other end of the elastic key 5 stretches out blind hole and can slide into institute when the first, second rubbing surface relatively rotates
It states in sliding groove 6.It is driven when disk 2 squeezes and is may contract in hole in elastic key 5, the formula of not being squeezed can not be popped up through spring.
It is equipped with fixed plate 4 in the mounting groove of 3 other end of friction plate, is equipped with through two plates between fixed plate 4 and friction plate 3
The both ends of guide post, guide post are respectively equipped with a banking stop, meanwhile, fixed plate 4 is connect with friction plate 3 further through leaf spring 8, described solid
Fixed board 4 is generally aligned in the same plane back to the end face of friction plate 3 and the face of friction plate 3 back to 2 one end of drive disk, leaf spring 8 respectively with
Two planes are fixedly connected.After electromagnetic coil is powered, friction plate 3 generates frictional force by absorption, and makes by spline transmission torque
Working shaft rotates, and leaf spring 8 is in flexuosity, and after waiting for electromagnetic coil power-off, friction plate 3 is by 8 elastic force of leaf spring and drive disk 2
Separation stops transmission.There are three the leaf springs 8 and is uniformly distributed, and ensures the synchronism of separation.
The through-hole that can be connect with driven axle bearing is equipped among the fixed plate 4, fixed plate 4 can not axially be transported along driven shaft
It is dynamic, it gives guide post and leaf spring 8 provides mounting surface, and why connected using bearing, it is to avoid leaf spring 8 by tangential force.
In said program, the use principle of the utility model is as follows：When drive disk 2 coordinates with friction plate 3, if elastic key
5 stretch into sliding groove 6, and when opposite sliding occurs for load excessive, elastic key 5 and 6 EDGE CONTACT stress of sliding groove prevent from driving
Disk 2 is opposite with friction plate 3 to be slided；If do not extended into sliding groove 6, elastic key 5 ifs, is pressed into hole, when opposite sliding occurs,
Elastic key 5 go at sliding groove 6 by spring squeeze stretch out, elastic key still can with 6 EDGE CONTACT stress of sliding groove, if torque is big
Between the first drag ring 71 and belt wheel 72 caused by frictional force when torque, belt wheel 72 will dally on sliding sleeve 76.This
Opposite sliding process is transferred to the belt wheel 72 outside electromagnetic clutch using elastic key 5 and slip gear 7 by utility model
Place, can not only make heat scatter and disappear faster, but also can prevent torque excessive damage clutch when without opposite sliding.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the right of the utility model.
Claims (4)
1. a kind of electromagnetic clutch, including electromagnetic coil assembly, fixing axle and driven shaft, driven shaft is moved by axial limitation,
It is characterized in that：Further include drive disk, friction plate and fixed plate；
The shape of the drive disk is the annular shape that one end is equipped with circle shape groove, electromagnetic coil assembly it is coaxial be fixed on coil
On assembly and the coiler part of electromagnetic coil assembly is mounted in the groove, and the drive disk other end is equipped with the first rubbing surface, the
One rubbing surface is equipped with the evenly-spaced sliding groove being located on same annulus, and drive disk external cylindrical surface, which is equipped with, can be used for belt
The slip gear of transmission；
The shape of the friction plate is the annular shape that both ends are equipped with mounting groove, and the centre of friction plate is equipped with splined hole, friction plate
Wherein one end is equipped with the second rubbing surface coordinated with first rubbing surface and can stretch into the elastic key in sliding groove, friction plate
It is equipped with fixed plate in the mounting groove of the other end, the guide post through two plates, the both ends point of guide post are equipped between fixed plate and friction plate
It does not set there are one banking stop, fixed plate is connect by leaf spring simultaneously with friction plate；
In the bearing that the driven shaft is mounted in the fixed plate and the splined end of driven shaft is matched with the splined hole, and
So that friction plate can slide axially along the splined end of driven shaft.
2. a kind of electromagnetic clutch as described in claim 1, which is characterized in that second rubbing surface is equipped with several blind
Hole is fixed with columned spring in blind hole, and spring is fixedly sleeved on one end of elastic key, the bullet towards the one end in blind hole aperture
Property key the other end stretch out and blind hole and can be slid into the sliding groove when the first, second rubbing surface relatively rotates.
3. a kind of electromagnetic clutch as claimed in claim 1 or 2, which is characterized in that the slip gear includes along the back of the body
The first drag ring, belt wheel, the second drag ring, the compression bullet being sequentially sleeved at from friction plate direction on the drive disk external cylindrical surface
Spring and fastening swivel nut, the first drag ring are fixedly connected with drive disk, and sliding sleeve, band are equipped between belt wheel and drive disk external cylindrical surface
Wheel both sides are equipped with frictional layer, and the second drag ring is not fixedly connected with drive disk, fastening swivel nut and drive disk external cylindrical surface screw thread
Connection.
4. a kind of electromagnetic clutch as claimed in claim 1 or 2, which is characterized in that the leaf spring respectively with fixed plate back to
The one side of friction plate is fixedly connected with the face of friction plate back to drive disk side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820312771.8U CN207989591U (en) | 2018-03-07 | 2018-03-07 | A kind of electromagnetic clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820312771.8U CN207989591U (en) | 2018-03-07 | 2018-03-07 | A kind of electromagnetic clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989591U true CN207989591U (en) | 2018-10-19 |
Family
ID=63825528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820312771.8U Expired - Fee Related CN207989591U (en) | 2018-03-07 | 2018-03-07 | A kind of electromagnetic clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207989591U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664201A (en) * | 2020-04-24 | 2020-09-15 | 清华大学 | Magnetic coupling and power mechanism with same |
-
2018
- 2018-03-07 CN CN201820312771.8U patent/CN207989591U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664201A (en) * | 2020-04-24 | 2020-09-15 | 清华大学 | Magnetic coupling and power mechanism with same |
| CN111664201B (en) * | 2020-04-24 | 2021-05-18 | 清华大学 | Magnetic coupling and power mechanism with same |
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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: 20181019 Termination date: 20210307 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |