CN206903736U - A kind of double-flexibility electromagnetic clutch - Google Patents
A kind of double-flexibility electromagnetic clutch Download PDFInfo
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- CN206903736U CN206903736U CN201720850781.2U CN201720850781U CN206903736U CN 206903736 U CN206903736 U CN 206903736U CN 201720850781 U CN201720850781 U CN 201720850781U CN 206903736 U CN206903736 U CN 206903736U
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- mandrel
- main shaft
- electromagnetic clutch
- disk
- axis hole
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Abstract
The utility model provides a kind of double-flexibility electromagnetic clutch, belongs to car engine cooling system technical field.It, which solves the problems, such as that the parts of the composition electromagnetic clutch such as existing electromagnetic core, drive disk, permanent magnetism fixed disk and fan mounting disc are set on mandrel, causes inconvenient maintenance.This double-flexibility electromagnetic clutch, including power transmission shaft and the electromagnet being sequentially sleeved on power transmission shaft, magnetic induction disk, the sheave and radiating subassembly with magnetic attraction, power transmission shaft includes being coaxially disposed main shaft and mandrel, the main shaft and mandrel are to be detachably fixed connection, the electromagnet and magnetic induction disk are set on main shaft and are set in respectively by bearing on mandrel with main shaft synchronous axial system, the sheave and radiating subassembly.The single-shaft configuration of traditional electromagnetic clutch is changed to cross-compound arrangement so that traditional electromagnet, magnetic induction disk, magnet fixed disc and radiating subassembly Contiuum type structure is changed to fabricated structure, the maintenance in convenient electromagnetic clutch later stage.
Description
Technical field
The utility model belongs to car engine cooling system technical field, is related to a kind of electromagnetic fan clutch, especially
It is a kind of double-flexibility electromagnetic clutch.
Background technology
Electromagnetic fan clutch is the significant improvement of available engine thermal management technology, this electronically controlled electromagnetic fan
Clutch can precisely adjust the heat dissipation capacity of cooling system, i.e., the rotating speed of fan is automatically adjusted according to the height of engine water temperature, from
And the boosted temperature of engine and coolant water temperature is remained optimal operating temperature, the best power of engine is played,
The effect of with energy-conservation, emission reduction and noise reduction, suitable on heavy truck, motor bus and city bus.
At present, Chinese patent net discloses a kind of three-speed electromagnetic fan clutch (Authorization Notice No.：CN202391545U),
It includes mandrel by two roller bearings in electromagnetic core endoporus, and drive disk is fixed together rotation by key connection and mandrel
Turning, permanent magnetism fixed disk is supported on a rolling bearing, is provided with soft iron ring in permanent magnetism fixed disk, is inlayed permanent magnet on correspondence position,
Small frictional disk is indirectly coupled on the inside of permanent magnetism fixed disk by little spring piece, and fan mounting disc passes through double-row angular contact bal bearing branch
On mandrel, big frictional disk is indirectly attached on three pawl platforms of the cylindrical stretching of fan mounting disc by big spring piece for support, installation
The press-in on the inside of fan mounting disc of the screw of fan is fixed.Above-mentioned electromagnetic core, drive disk, permanent magnetism fixed disk and fan peace
The parts of the composition electromagnetic clutch such as sabot are set on mandrel, must when electromagnetic clutch, which breaks down, to need repairing
It will must successively be dismantled installed in core parts on shaft, cause to repair extremely inconvenient.
The content of the invention
The purpose of this utility model is above mentioned problem be present for existing technology, it is proposed that a kind of double-flexibility electromagnetic clutch
Device, the technical problem that the utility model solves are：How to improve the structure of electromagnetic fan clutch makes its more convenient maintenance.
The purpose of this utility model can be realized by following technical proposal：Including power transmission shaft and it is sequentially sleeved at transmission
Electromagnet, magnetic induction disk on axle, sheave and radiating subassembly with magnetic attraction, the sheave and radiating subassembly are logical
Crossing electromagnet and magnetic induction disk can clutch connection, it is characterised in that the power transmission shaft includes being coaxially disposed main shaft and mandrel, described
To be detachably fixed connection, the electromagnet and magnetic induction disk are set on main shaft and synchronous with main shaft turn for main shaft and mandrel
Dynamic, the sheave and radiating subassembly are set on mandrel by bearing respectively.
By the way that the single-shaft configuration of traditional electromagnetic clutch is changed into cross-compound arrangement, electromagnet and magnetic induction disk are set in
On main shaft, sheave and fan component be set on mandrel so that traditional electromagnet, magnetic induction disk, sheave and fan group
Part Contiuum type structure is changed to fabricated structure.When needing electromagnetic clutch to occur needing repairing or change parts, only need by
Main shaft separates with disassembling mandrel, then carries out maintenance replacing to the parts on main shaft or mandrel again so that partial disassembly's electromagnetism
Clutch can realize maintenance to it, and the situation of big dismounting, facilitates maintenance and protect when avoiding traditional electromagnetic clutch maintenance
Support.
In a kind of above-mentioned double-flexibility electromagnetic clutch, the main shaft and mandrel are bolted, on the main shaft
Be provided with axis hole two provided with axis hole one, mandrel, the bolt-through axis hole two and extend in axis hole one and respectively with axis hole one, axle
Hole two is threadedly coupled.When being maintained to electromagnetic clutch, bolt need to only be back-outed to i.e. achievable main shaft and mandrel
Separation, installation, convenient disassembly.
In a kind of above-mentioned double-flexibility electromagnetic clutch, the main shaft is towards having connection shaft on the end face of mandrel one end
The locating slot in hole one, the mandrel are provided with the annular protrusion extended in locating slot towards the end face of main shaft one end.By setting
Put locating slot and convex annular gets up to ensure concentricity when mandrel is connected with main shaft, concentricity when mandrel is connected with main shaft is high,
It is stable.
In a kind of above-mentioned double-flexibility electromagnetic clutch, the main shaft and mandrel are bolted, the main shaft court
Connecting hole is axially offered on to the end face of mandrel one end, the mandrel is provided with towards the end face of main shaft one end and extends connecting hole
Interior connecting pole, the axis hole one of connecting hole is communicated with the main shaft, mandrel is provided with axis hole two, the bolt-through axis hole
Two and extend in axis hole one and be threadedly coupled with axis hole one.When being maintained to electromagnetic clutch, bolt need to only be twisted
Go out to can be achieved the separation of main shaft and mandrel, installation, convenient disassembly.
In a kind of above-mentioned double-flexibility electromagnetic clutch, the cross section of the connecting hole and connecting pole is D-shaped or side
Shape.The structure of connecting hole and connecting pole is simple, the convenient processing to connecting hole and connecting pole.
In a kind of above-mentioned double-flexibility electromagnetic clutch, the sheave includes big magnet fixed disc and is fixed on big magnetic
Permanent magnet one on ferropexy disk, it is arranged with the mandrel between the big magnet fixed disc and radiating subassembly and turns with mandrel is synchronous
Dynamic small magnet fixed disk, the external diameter of the small magnet fixed disk are less than the external diameter of big magnet fixed disc, and the small magnet is fixed
Permanent magnet two is fixed with disk.Existing electromagnetic clutch can not meet matched somebody with somebody powerful fan, so as to cause electromagnetic clutch
Long-term overpower is using so that electromagnetic clutch premature deterioration, greatly reduces the service life of electromagnetic clutch, this practicality
It is new to increase the permanent magnet quantity on magnet fixed disc by two magnet fixed discs of setting, and then effectively increase electric whirlpool
Magnetic field is flowed, add product uses power, meets high-power use demand.In addition it is outer to also enhance to fan component
Soft drive, energy consumption during product work is reduced, make radiating subassembly operation more steady, when reducing radiating subassembly work
Vibrations, reduce operating noise.
In a kind of above-mentioned double-flexibility electromagnetic clutch, the permanent magnet one and permanent magnet two are separately fixed at big magnet
Fixed disk and small magnet fixed disk are towards on the end face of radiating subassembly.So that permanent magnet one and permanent magnet two are fixed with big magnet
Disk and small magnet fixed disk are realized at utmost to the draw of radiating subassembly when rotating.
In a kind of above-mentioned double-flexibility electromagnetic clutch, the sheave is towards elastic connection on the end face of magnetic induction disk
There is a small friction plate, towards big friction plate is elasticly connected with the end face of magnetic induction disk, the electromagnet includes the radiating subassembly
The iron core being set on main shaft, the iron core can be by the low speed coils in small friction plate adhesive to magnetic induction disk after being provided with energization
With can be by the high speed coil in big friction plate adhesive to magnetic induction disk after energization.When low speed coil and the equal no power of high speed coil,
Radiating subassembly is in the state that slowly runs；When low speed coil electricity, high speed coil no power, small friction plate is by adhesive to magnetic induction
On disk, radiating subassembly is in middling speed rotary state；When low speed coil electricity and high speed coil are powered, small friction plate and big friction
For piece simultaneously by adhesive to magnetic induction disk, radiating subassembly is in high-speed rotation state.Said structure realizes that electromagnetic clutch can be
Low speed, middling speed and three gear work at a high speed.
Compared with prior art, double-flexibility electromagnetic clutch of the present utility model has advantages below：1st, by traditional electricity
The single-shaft configuration of magnet clutch is changed to cross-compound arrangement so that traditional electromagnet, magnetic induction disk, magnet fixed disc and radiating subassembly
Contiuum type structure is changed to fabricated structure, the maintenance in convenient electromagnetic clutch later stage；2nd, by setting two magnet to fix
Disk increases the permanent magnet quantity on magnet fixed disc, and then effectively increases current vortex magnetic field, adds the use of product
Power, meet high-power use demand.3rd, energy consumption is low, noise is small, stable during electromagnetic clutch work of the present utility model
Property is preferable.
Brief description of the drawings
Fig. 1 is cross-sectional view of the present utility model.
In figure, 1, power transmission shaft；1a, main shaft；1a1, axis hole one；1a2, locating slot；1b, mandrel；1b1, axis hole two；1b2, axle
Hole two；2nd, electromagnet；2a, iron core；2b, low speed coil；2c, high speed coil；3rd, magnetic induction disk；4th, sheave；4a, big magnet are consolidated
Price fixing；4b, permanent magnet one；5th, radiating subassembly；6th, bearing；7th, bolt；8th, small magnet fixed disk；9th, permanent magnet two；10th, small friction
Piece；11st, big friction plate.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
Embodiment 1
As shown in figure 1, power transmission shaft 1 includes being coaxially disposed main shaft 1a and mandrel 1b, main shaft 1a and mandrel 1b are detachable solid
Fixed connection, electromagnet 2 and magnetic induction disk 3 be set on main shaft 1a and with main shaft 1a synchronous axial systems, sheave 4 and radiating subassembly
5 are set on mandrel 1b by bearing 6 respectively.
More specifically, main shaft 1a and mandrel 1b are connected by bolt 7, and main shaft 1a is provided with the 1a1 of axis hole one, mandrel
1b is provided with the 1b1 of axis hole two, the bolt 7 through the 1b1 of axis hole two and extend in the 1a1 of axis hole one and respectively with the 1a1 of axis hole one, axle
The 1b1 of hole two is threadedly coupled.Main shaft 1a is described towards the locating slot 1a2 on the end face of mandrel 1b one end with connection axis hole one 1a1
Mandrel 1b is provided with the annular protrusion 1b2 extended in locating slot 1a2 towards the end face of main shaft 1a one end.Main shaft 1a and mandrel 1b
During assembling, first the annular protrusion 1b2 on mandrel 1b one end is inserted into the locating slot 1a2 on main shaft 1a one end, improves main shaft
Concentricity when 1a and mandrel 1b is assembled, then main shaft 1a and mandrel 1b are connected by bolt so that main shaft 1a and mandrel 1b are same
Step rotates.It need to will only back-out the i.e. separable main shaft 1a and mandrel 1b of bolt, main shaft 1a and mandrel 1b installation, dismounting side during dismounting
Just.
Sheave 4 is towards being elasticly connected with small friction plate 10 on the end face of magnetic induction disk 3, and the radiating subassembly 5 is towards magnetic
Big friction plate 11 is elasticly connected with the end face of inductive disks 3, electromagnet 2 includes the iron core 2a, iron core 2a being set on main shaft 1a
Be provided be powered after can by the low speed coil 2b in the small adhesive of friction plate 10 to magnetic induction disk 3 and be powered after can be by big friction plate 11
High speed coil 2c on adhesive to magnetic induction disk 3.
When the equal no powers of low speed coil 2b and high speed coil 2c, after main shaft 1a and mandrel 1b synchronous axial systems, sheave 4 exists
Slowly run under force of rolling friction effect between the inner ring of bearing 6 and outer ring, magnetic attraction when sheave 4 rotates thereon is to dissipating
Hot component 5 plays a part of traction, rolling of the radiating subassembly 5 between the magnetic attraction of sheave 4 and the inner ring of bearing 6 and outer ring
Slowly run under frictional force collective effect, now electromagnetic clutch is in tick-over state.When low speed coil 2b is powered, at a high speed
During coil 2c no powers, small friction plate 10 by adhesive to magnetic induction disk 3, main shaft 1a band dynamic magnetic induction disk 3, small friction plate 10 with
And sheave 4 rotates, the faster rotational speed under main shaft 1a drive of sheave 4, and then the faster rotational speed of radiating subassembly 5 is driven, now
Electromagnetic clutch is in middling speed working condition.Low speed coil 2b is powered and high speed coil 2c is when being powered, small friction plate 10 and big
Friction plate 11 main shaft 1a band dynamic magnetic induction disk 3, small friction plate 10, big friction plate 11, is led simultaneously by adhesive to magnetic induction disk 3
Lead plate 4 and the common rotation of radiating subassembly 5, now radiating subassembly 5 and main shaft 1a and mandrel 1b synchronous axial systems, now electromagnetic clutch
Device is in high speed operation state.
Sheave 4 includes big magnet fixed disc 4a and permanent magnet one 4b being fixed on big magnet fixed disc 4a, described big
The small magnet fixed disk 8 with mandrel 1b synchronous axial systems, institute are arranged with mandrel 1b between magnet fixed disc 4a and radiating subassembly 5
The external diameter for stating small magnet fixed disk 8 is less than big magnet fixed disc 4a external diameter, and permanent magnet is fixed with the small magnet fixed disk 8
29.The 4b of permanent magnet one and permanent magnet 29 are separately fixed at big magnet fixed disc 4a and small magnet fixed disk 8 towards radiating subassembly 5
End face on.By increasing small magnet fixed disk 8 and permanent magnet 29, small magnet fixed disk 8 is synchronous when mandrel 1b is rotated
Rotate, permanent magnet 29 forms another tractive force, equivalent to a rotation tractive force is added, is in low regardless of radiating subassembly 5
Speed or middling speed or high speed operation state are that draw is played to it, and then accelerate the rotating speed of radiating subassembly 5, so as to improve
The power of electromagnetic clutch, radiating effect is more preferable after the faster rotational speed of radiating subassembly 5, energy consumption is reduced, in the effect of double tractive force
Lower radiating subassembly 5 is run more steadily, and operating noise is low.
Embodiment 2
Essentially identical with the most contents in embodiment 1, its difference is：Main shaft 1a and mandrel 1b are connected by bolt 7
Connect, main shaft 1a is towards axially offering connecting hole, ends of the mandrel 1b towards main shaft 1a one end on the end face of mandrel 1b one end
Face is provided with the connecting pole extended in connecting hole, is communicated with setting on the 1a1 of axis hole one, the mandrel 1b of connecting hole on the main shaft 1a
There is the 1b1 of axis hole two, the bolt 7 runs through the 1b 1 of axis hole two and extends in the 1a1 of axis hole one and be threadedly coupled with the 1a1 of axis hole one, even
The cross section for connecing hole and connecting pole is D-shaped or square.When main shaft 1a and mandrel 1b is assembled, the connecting pole on mandrel 1b is inserted into master
In connecting hole on axle 1a, then by bolt 7 main shaft 1a and mandrel 1b are connected so that main shaft 1a and mandrel 1b synchronous axial systems.
It need to will only back-out the i.e. separable main shaft 1a and mandrel 1b of bolt, main shaft 1a and mandrel 1b installation, convenient disassembly during dismounting.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although power transmission shaft 1, main shaft 1a, the 1a1 of axis hole one, locating slot 1a2, mandrel 1b, axis hole two have more been used herein
1b1, the 1b2 of axis hole two, electromagnet 2, iron core 2a, low speed coil 2b, high speed coil 2c, magnetic induction disk 3, sheave 4, big magnet are consolidated
It is price fixing 4a, the 4b of permanent magnet one, radiating subassembly 5, bearing 6, bolt 7, small magnet fixed disk 8, permanent magnet 29, small friction plate 10, big
The grade term of friction plate 11, but it is not precluded from the possibility using other terms.Using these terms just for the sake of more easily
Describe and explain essence of the present utility model；Being construed as any additional limitation is all and the utility model spirit
Disagree.
Claims (8)
1. a kind of double-flexibility electromagnetic clutch, including power transmission shaft (1) and be sequentially sleeved on power transmission shaft (1) electromagnet (2),
Magnetic induction disk (3), the sheave (4) and radiating subassembly (5) with magnetic attraction, the sheave (4) and radiating subassembly (5) are equal
Can clutch connection by electromagnet (2) and magnetic induction disk (3), it is characterised in that the power transmission shaft (1) includes being coaxially disposed main shaft
(1a) and mandrel (1b), the main shaft (1a) and mandrel (1b) are to be detachably fixed connection, the electromagnet (2) and magnetic induction disk
(3) it is set on main shaft (1a) and passes through respectively with main shaft (1a) synchronous axial system, the sheave (4) and radiating subassembly (5)
Bearing (6) is set on mandrel (1b).
2. a kind of double-flexibility electromagnetic clutch according to claim 1, it is characterised in that the main shaft (1a) and mandrel
(1b) is connected by bolt (7), and the main shaft (1a) is provided with axis hole one (1a1), mandrel (1b) is provided with axis hole two (1b1),
The bolt (7) through axis hole two (1b1) and extend in axis hole one (1a1) and respectively with axis hole one (1a1), axis hole two (1b1)
Threaded connection.
3. a kind of double-flexibility electromagnetic clutch according to claim 2, it is characterised in that the main shaft (1a) is towards mandrel
There is the locating slot (1a2) of connection axis hole one (1a1), the mandrel (1b) is towards main shaft (1a) one end on the end face of (1b) one end
End face be provided with the annular protrusion (1b2) that extends in locating slot (1a2).
4. a kind of double-flexibility electromagnetic clutch according to claim 1, it is characterised in that the main shaft (1a) and mandrel
(1b) is connected by bolt (7), and the main shaft (1a) is described towards axially offering connecting hole on the end face of mandrel (1b) one end
Mandrel (1b) is provided with the connecting pole extended in connecting hole towards the end face of main shaft (1a) one end, and the main shaft (1a), which is provided with, to be connected
Axis hole one (1a1), the mandrel (1b) of logical connecting hole are provided with axis hole two (1b1), and the bolt (7) runs through axis hole two (1b1) simultaneously
Extend in axis hole one (1a1) and be threadedly coupled with axis hole one (1a1).
5. a kind of double-flexibility electromagnetic clutch according to claim 4, it is characterised in that the connecting hole and connecting pole
Cross section is D-shaped or square.
6. a kind of double-flexibility electromagnetic clutch according to claim 1, it is characterised in that the sheave (4) includes big
Magnet fixed disc (4a) and the permanent magnet one (4b) being fixed on big magnet fixed disc (4a), the big magnet fixed disc (4a) with
The small magnet fixed disk (8) with mandrel (1b) synchronous axial system, the small magnetic are arranged with mandrel (1b) between radiating subassembly (5)
The external diameter of ferropexy disk (8) is less than the external diameter of big magnet fixed disc (4a), and permanent magnet is fixed with the small magnet fixed disk (8)
Two (9).
A kind of 7. double-flexibility electromagnetic clutch according to claim 6, it is characterised in that the permanent magnet one (4b) and forever
Magnet two (9) is separately fixed at the end face of big magnet fixed disc (4a) and small magnet fixed disk (8) towards radiating subassembly (5)
On.
A kind of 8. double-flexibility electromagnetic clutch according to claim any one of 1-7, it is characterised in that the sheave
(4) towards being elasticly connected with small friction plate (10) on the end face of magnetic induction disk (3), the radiating subassembly (5) is towards magnetic induction disk
(3) big friction plate (11) is elasticly connected with end face, the electromagnet (2) includes the iron core being set on main shaft (1a)
(2a), the iron core (2a) can be by the low speed coils in small friction plate (10) adhesive to magnetic induction disk (3) after being provided with energization
Can be by the high speed coil (2c) in big friction plate (11) adhesive to magnetic induction disk (3) after (2b) and energization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720850781.2U CN206903736U (en) | 2017-07-13 | 2017-07-13 | A kind of double-flexibility electromagnetic clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720850781.2U CN206903736U (en) | 2017-07-13 | 2017-07-13 | A kind of double-flexibility electromagnetic clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206903736U true CN206903736U (en) | 2018-01-19 |
Family
ID=61312728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720850781.2U Active CN206903736U (en) | 2017-07-13 | 2017-07-13 | A kind of double-flexibility electromagnetic clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206903736U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576646A (en) * | 2019-09-29 | 2021-03-30 | 广东博智林机器人有限公司 | Driving device of construction robot and feeding machine with driving device |
| WO2022216569A1 (en) | 2021-04-05 | 2022-10-13 | Nexen Group, Inc. | Rotary motion control apparatus with zero-backlash |
-
2017
- 2017-07-13 CN CN201720850781.2U patent/CN206903736U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576646A (en) * | 2019-09-29 | 2021-03-30 | 广东博智林机器人有限公司 | Driving device of construction robot and feeding machine with driving device |
| WO2022216569A1 (en) | 2021-04-05 | 2022-10-13 | Nexen Group, Inc. | Rotary motion control apparatus with zero-backlash |
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