CN103939495B - A kind of electromagnetic fan clutch - Google Patents
A kind of electromagnetic fan clutch Download PDFInfo
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- CN103939495B CN103939495B CN201410101075.9A CN201410101075A CN103939495B CN 103939495 B CN103939495 B CN 103939495B CN 201410101075 A CN201410101075 A CN 201410101075A CN 103939495 B CN103939495 B CN 103939495B
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- dead axle
- iron core
- drive plate
- core member
- annular groove
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Abstract
The present invention relates to a kind of electromagnetic fan clutch for automobile engine.Electromagnetic fan clutch of the present invention, including dead axle, drive plate, fan fixed disk and iron core member, fan fixed disk is rotatably mounted on dead axle or drive plate, adhesive disk is installed with by flexure strip on the right side of fan fixed disk, the drive plate is rotatably mounted on dead axle, there is gap between the left side of drive plate and the right side of adhesive disk, belt pulley is also rotatably mounted on dead axle, the belt pulley is fixedly connected with drive plate, iron core member is also installed with the dead axle, iron core member is located between drive plate and belt pulley, axially arranged groove or wire guide is offered on the dead axle, the wire of iron core member can be passed from groove or wire guide.The present invention can be prevented effectively from wire and be torn.
Description
Technical field
The present invention relates to a kind of electromagnetic clutch, more particularly to a kind of electromagnetic fan clutch for automobile engine
Device.
Background technology
Electromagnetic fan clutch is that a kind of auxiliary of vehicle is cold removes device, in the cooling system of automobile, by electricity
Magnetic coil principle of induction realizes the cold two stage speed change or three-step gear shift for removing fan, and the mesh of fuel oil, reducing energy consumption is saved so as to reach
's.
Chinese patent CN102758857A discloses a kind of two fast electromagnetic fan clutch, as shown in figure 1, the clutch pack
Main shaft 15 ', iron core member 1 ', drive plate 3 ', adhesive disk 4 ', fan fixed disk 5 ' are included, the suit that iron core member 1 ' is rotated is early main
On axle 15 ', magnet exciting coil 2 ' is installed in iron core member 1 ', drive plate 3 ' is fixedly mounted on main shaft 15 ' by key 12 ',
Fan fixed disk 5 ' is rotatably mounted on drive plate 3 ' by bearing 8 ', and adhesive disk 4 ' is fixedly mounted on wind by spring leaf 6 '
Fan on the right side of fixed disk 5 '.When the clutch works, driven by engine main shaft 15 ' is rotated, and main shaft 15 ' is made by key 12 '
Drive plate 3 ' rotates, and when the water temperature of automobile engine is less than design temperature, two fast electromagnetic fan clutch do not work, adhesive disk
4 ' with drive plate 3 ' in released state, now drive plate 3 ' makes fan fixed disk 5 ' freely revolve by the bearing ball work that rubs
Turn；When the water temperature of automobile engine is more than or equal to design temperature, adhesive disk 4 ' and the drive plate 3 ' of electromagnetic fan clutch
In attracting state, the now fan in fan fixed disk and the synchronous axial system of main shaft 15 '.
But this electromagnetic fan clutch is operationally, the wire on iron core member 1 ' thereon may be wound into master
Cause wire to be torn on axle 15 ', or due between main shaft 15 ' and iron core member 1 ' transmission go wrong and cause iron core
Part 1 ' is rotated with main shaft 15 ', causes wire to be torn.
The content of the invention
The technical problem to be solved in the present invention be to provide a kind of simple structure, low cost, electromagnetic fan easy to operate from
Clutch, can effectively avoid wire from being torn, and improve the reliability of clutch.
Electromagnetic fan clutch of the present invention, including dead axle, drive plate, fan fixed disk and iron core member, the fan are consolidated
Price fixing is rotatably mounted on dead axle or drive plate, and adhesive is installed with by flexure strip on the right side of fan fixed disk
Disk, the drive plate is rotatably mounted on dead axle, there is gap between the left side of drive plate and the right side of adhesive disk,
Belt pulley is also rotatably mounted on dead axle, the belt pulley is fixedly connected with drive plate, is also installed with the dead axle
Iron core member, iron core member is located between drive plate and belt pulley, and first annular groove is provided with the right side of the drive plate,
The rectangular cross-section of the first annular groove, the right side of the inwall of the first annular groove is located at a left side for the right side of its outer wall
Side, the iron core member part is located in first annular groove, and the iron core member is located at the section of the part in first annular groove
It is rectangle, there is gap between the iron core member and first annular groove, axially arranged groove is offered on the dead axle
Or wire guide, the wire of the iron core member can pass from groove or wire guide, and the right-hand member of the dead axle is provided with
Boss, the right-hand member of the dead axle is passed through and is fixed on support, and the left side of the boss is in close contact with the right side of support,
The part that the support is contacted with dead axle is integrally protruded to the left, and plug connector, the plug connector are also installed with the support
It is provided with endoporus and multiple grooves is offered on hole wall.
Electromagnetic fan clutch of the present invention, wherein the dead axle is multi-diameter shaft, the left part diameter of dead axle is small, right side
Divide diameter big, the iron core member is fixedly set in the left part of dead axle, and the groove is opened in the right part of dead axle
On periphery, the groove is the groove of left and right insertion, and the left end opening of groove is located on the step surface of dead axle, the right-hand member of groove
Face opening is located on the right side of dead axle.
Electromagnetic fan clutch of the present invention, wherein the wire guide includes interconnected horizontal component and vertical component,
The horizontal component is located at the right side of vertical component, and the left end opening of wire guide is located on the periphery of dead axle, the right side of wire guide
End opening is located on the right side of dead axle.
Electromagnetic fan clutch of the present invention, wherein the iron core member is fixedly set on dead axle by woodruff key.
Electromagnetic fan clutch of the present invention, wherein the bottom land of the first annular groove offers some magnetic conductive holes, it is described to lead
Bore is divided into inside and outside two circle, is often all evenly equipped with some magnetic conductive holes on circle.
Electromagnetic fan clutch of the present invention, wherein being provided with rib on the right side of the bottom land bottom wall of the first annular groove
Bar, the rib twist arranges that the rotation direction of rib is identical with the rotation direction of the drive plate from inside to outside.
Electromagnetic fan clutch of the present invention, wherein heat dissipation plate is also installed with the excircle of the drive plate, it is described
The fin of some horizontal and vertical arrangements is provided with heat dissipation plate.
Electromagnetic fan clutch of the present invention, wherein the fan fixed disk include the fixed disk body that is mutually permanently connected and
Terminal pad, the terminal pad is located at the right side of fixed disk body, and permanent magnet is installed with the right side of terminal pad, is dissipating
Soft magnet is installed with hot plate, the permanent magnet and soft magnet position or so are corresponding, on a left side for the fixed disk body
Annular protrusion is provided with end face, the annular protrusion is located at the inner side of the flabellum mounting hole in fan fixed disk.
Electromagnetic fan clutch of the present invention, wherein the belt pulley is arranged on dead axle by belt pulley bearing, the skin
The second annular groove is offered on the right side of belt wheel, fixed cover is equipped with baffle plate on the dead axle, the baffle plate is located at belt pulley
The right side of bearing, the outer end formation insertion section bending to the left of the baffle plate, the insertion site in the second annular groove, insertion section
There is gap and the cell wall of the second annular groove between.
Electromagnetic fan clutch difference from prior art of the present invention is the present invention by using fixed dead axle
Instead of the main shaft of the rotation in electromagnetic fan clutch in the prior art, iron core member is fixedly set on dead axle, in dead axle
On open up the groove or wire guide that can extend there through the wire of iron core member, while fan fixed disk and drive plate is equal
What is rotated is sleeved on dead axle, and operationally dead axle and iron core member remained and do not rotate to make electromagnetic fan clutch, completely
Avoid the wire of iron core member because pull or wind and caused by situation about being broken, effectively raise clutch using reliable
Property.
Electromagnetic fan clutch of the invention is described further below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the front sectional view of the electromagnetic fan clutch of prior art；
Fig. 2 is the front sectional view of electromagnetic fan clutch embodiment 1 of the present invention；
Fig. 3 is the front sectional view of electromagnetic fan clutch embodiment 2 of the present invention.
Specific embodiment
Embodiment 1
As shown in Fig. 2 electromagnetic fan clutch of the present invention includes dead axle 10, drive plate 50, fan fixed disk 70, iron core portion
Part 80, adhesive disk 75 and belt pulley 40.Fan fixed disk 70 is rotatably mounted at dead axle 10 by fan fixed disk bearing 78
Left end.Certain fan fixed disk can also be by the way of disclosed in the patent document that background section is quoted, rotationally
On drive plate.By the rotation of drive plate bearing 54 on dead axle 10, fan fixed disk 70 is located at drive plate 50
The left side of drive plate 50, adhesive disk 75, drive plate are installed with the right side of fan fixed disk 70 by flexure strip 76
There is gap between 50 left side and the right side of adhesive disk 75, gap width is between 0.05-0.2mm.In dead axle 10
On belt pulley 40 is also rotatably mounted by belt pulley bearing 42, belt pulley 40 is located at the right side of drive plate 50, belt pulley 40
Outer rim be bolted to connection with the outer rim of drive plate 50.Iron core member 80, iron core are also installed with dead axle 10
Part 80 is located between drive plate 50 and belt pulley 40, and axially arranged wire guide 13, iron core member are offered on dead axle 10
80 wire can be passed from wire guide 13.
Operationally, driven by engine is rotatably installed in the belt pulley 40 on dead axle 10 to electromagnetic fan clutch of the invention
Rotation, belt pulley 40 drives the drive plate 50 being rotatably mounted on dead axle 10 around System of Rotating about Fixed Axis, when the water temperature of automobile engine
During less than design temperature, electromagnetic fan clutch does not work, and adhesive disk 75 is in released state with drive plate 50, and now fan is consolidated
Price fixing 70 is in free state；When the water temperature of automobile engine is more than or equal to design temperature, the suction of electromagnetic fan clutch
Close disk 75 and be in attracting state with drive plate 50, now the fan in fan fixed disk and the synchronous axial system of dead axle 10.By
Upper to understand, no matter when electromagnetic fan clutch is in work or off working state, dead axle 10 and iron core member thereon 80 are equal
In maintaining static state, therefore, the wire of iron core member 80 does not exist the risk being torn, and effectively raises electromagnetic fan
The reliability of clutch.
In the present embodiment, for the ease of the processing of the wire guide 13 on dead axle 10, wire guide 13 is made to include being interconnected
Horizontal component 14 and vertical component 16, horizontal component 14 be located at vertical component 16 right side, wire guide 13 left end opening position
In on the periphery of dead axle 10, the right-end openings of wire guide 13 are located on the right side of dead axle 10.For the ease of consolidating for dead axle 10
It is fixed, the right-hand member of dead axle 10 is provided with boss 15, the right-hand member of dead axle 10 is passed through and is fixed on support 90, the left side of boss 15
Right side with support 90 is in close contact, and the part that support 90 is contacted with dead axle is integrally protruded to the left, in order to accommodate on dead axle
Boss 15.Plug connector 91 is also installed with support 90, plug connector 91 is provided with endoporus, and is offered on hole wall many
Individual groove 92, for fixing wire 99.
In order to preferably iron core member 80 is fixed on dead axle 10, woodruff key is passed through between iron core member 80 and dead axle 10
81 connections.
For the ease of accommodating iron core member 80 and radiating to iron core member 80, the is provided with the right side of drive plate 50
One annular groove 51, the rectangular cross-section of first annular groove 51, the right side of the inwall of first annular groove 51 is located at the right side of its outer wall
The left side of end face, the part of iron core member 80 is located in first annular groove 51, and iron core member 80 is located at the portion in first annular groove 51
, there is gap in the rectangular cross-section for dividing, gap width is equal between 0.05-0.2mm between iron core member 80 and first annular groove 51
Can.Some magnetic conductive holes 52 are offered in the bottom land of first annular groove 51,52 points of the magnetic conductive hole is inside and outside two circle, often all equal on circle
It is furnished with some magnetic conductive holes.Be provided with rib (not shown) on the right side of the bottom land bottom wall of first annular groove 51, rib from
It is interior to twist arranging outward, the rotation direction of rib is identical with the rotation direction of drive plate 50.
Embodiment 2
As shown in figure 3, electromagnetic fan clutch of the present invention includes dead axle 10, drive plate 50, fan fixed disk 70, iron core portion
Part 80, adhesive disk 75 and belt pulley 40.Dead axle 10 is multi-diameter shaft, and the diameter of left part 18 of dead axle 10 is small, and right part 19 is straight
Footpath is big.Fan fixed disk 70 is rotatably mounted at the left end of dead axle 10 by fan fixed disk bearing 78, and drive plate 50 is by passing
Moving plate bearing 54 rotate on dead axle 10, fan fixed disk 70 be located at drive plate 50 left side, in fan fixed disk 70
Right side on adhesive disk 75 is installed with by flexure strip 76, the left side of drive plate 50 and the right side of adhesive disk 75 it
Between there is gap, gap width is between 0.05-0.2mm.Also pass through belt pulley bearing 42 in the right part 19 of dead axle 10
Belt pulley 40 is rotatably mounted, belt pulley 40 is located at the right side of drive plate 50, and the outer rim of belt pulley 40 is outer with drive plate 50
Edge is bolted to connection.Heat dissipation plate 41 is also installed with the excircle of drive plate 50, is provided with heat dissipation plate 41
The fin 43 of some horizontal and vertical arrangements.
Fan fixed disk 70 includes the fixed disk body 71 and the terminal pad 73 that are mutually permanently connected, and terminal pad 73 is located at fixes
The right side of disk body 71, is installed with permanent magnet 74 on the right side of terminal pad 73, is installed with heat dissipation plate 41
Soft magnet 44, permanent magnet 74 and the position of soft magnet 44 or so are corresponding, i.e., the circumference where permanent magnet 74 and soft magnet 44 is straight
Footpath is equal and position is relative.Annular protrusion 72 is provided with the left side of fixed disk body 71, annular protrusion 72 is located at fan
The inner side of the flabellum mounting hole 77 on fixed disk 70, to improve the radiating effect of fan fixed disk bearing 78.On a left side for dead axle 10
Iron core member 80 is also installed with side part 18, iron core member 80 is located between drive plate 50 and belt pulley 40.Dead axle 10
On be further opened with groove 11, groove 11 is located on the periphery of the right part of dead axle 10, and groove 11 is the groove of left and right insertion,
The left end opening of groove 11 is located on the step surface of dead axle 10, and the right side opening of groove 11 is located on the right side of dead axle 10.
The second annular groove 45 is offered on the right side of belt pulley 40, fixed cover is equipped with baffle plate 47, gear on dead axle 10
The aperture of the through hole on plate 47 is equal with the diameter of axle of the relevant position of dead axle 10, and baffle plate 47 is located at the right side of belt pulley bearing 42, gear
The outer end formation insertion section 49 bending to the left of plate 47, insertion section 49 is located in the second annular groove 45, the annular of insertion section 49 and second
There is gap between the cell wall of groove 45, by setting baffle plate and the second annular groove, the stability of clutch can be improved.
The course of work of electromagnetic fan clutch is as follows in the present embodiment：When radiator temperature is not reaching to design temperature
When, the magnet exciting coil in iron core member 80 must not be electric, and now belt pulley 40 rotates with nutating disk 50, is fixedly mounted on drive plate
Heat dissipation plate 41 on 50 rotates together therewith, due to the permanent magnet 74 on the soft magnet 44 and fan fixed disk 70 in heat dissipation plate 41
Between magneticaction, fan fixed disk 70 is with the compliant rotational of drive plate 50；When the temperature of radiator is higher, setting temperature is reached
When spending, the excitation circle in iron core member 80 obtains electric, the adhesive adhesive disk 75 of iron core member 80, makes fan fixed disk 70 and drive plate 50
Link together, and because belt pulley 40 is fixedly connected with drive plate 50, so fan fixed disk 70 is with belt pulley full-speed operation,
Drive fan leaf to rotate at full speed, give radiator cooling.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to model of the invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art are to technical side of the invention
Various modifications and improvement that case is made, all should fall into the protection domain of claims of the present invention determination.
Claims (9)
1. a kind of electromagnetic fan clutch, including dead axle (10), drive plate (50), fan fixed disk (70) and iron core member
(80), the fan fixed disk (70) is rotatably mounted on dead axle (10) or drive plate (50), in fan fixed disk (70)
Adhesive disk (75) is installed with by flexure strip (76) on right side, it is characterised in that：The drive plate (50) is rotationally pacified
On dead axle (10), there is gap between the left side of drive plate (50) and the right side of adhesive disk (75), in dead axle (10)
On be also rotatably mounted belt pulley (40), the belt pulley (40) is fixedly connected with drive plate (50), on the dead axle (10)
Also be installed with iron core member (80), iron core member (80) between drive plate (50) and belt pulley (40), the transmission
First annular groove (51), the rectangular cross-section of the first annular groove (51), described first are provided with the right side of disk (50)
The right side of the inwall of annular groove (51) is located at the left side of the right side of its outer wall, and the iron core member (80) is partly located at first
In annular groove (51), the rectangular cross-section of part of the iron core member (80) in first annular groove (51), the iron core
There is gap between part (80) and first annular groove (51), axially arranged groove (11) is offered on the dead axle (10)
Or wire guide (13), the wire of the iron core member (80) can be passed from groove (11) or wire guide (13), described
The right-hand member of dead axle (10) is provided with boss (15), and the right-hand member of the dead axle (10) is passed through and is fixed on support (90), described convex
The left side of platform (15) is in close contact with the right side of support (90), the part entirety that the support (90) contacts with dead axle (10)
Protrude to the left, plug connector (91) is also installed with the support (90), the plug connector (91) is provided with endoporus and in hole
Multiple grooves (92) are offered on wall.
2. electromagnetic fan clutch according to claim 1, it is characterised in that：The dead axle (10) is multi-diameter shaft, dead axle
(10) left part diameter is small, and right part diameter is big, and the iron core member (80) is fixedly set in the left side of dead axle (10)
Part, the groove (11) is opened on the periphery of the right part of dead axle (10), and the groove (11) is left and right insertion
Groove, the left end opening of groove (11) is located on the step surface of dead axle (10), and the right side opening of groove (11) is located at dead axle
(10) on right side.
3. electromagnetic fan clutch according to claim 1, it is characterised in that：The wire guide (13) is including being interconnected
Horizontal component (14) and vertical component (16), the horizontal component (14) is positioned at the right side of vertical component (16), wire guide
(13) left end opening is located on the periphery of dead axle (10), and the right-end openings of wire guide (13) are located at the right side of dead axle (10)
On.
4. the electromagnetic fan clutch according to Claims 2 or 3, it is characterised in that：The iron core member (80) is by half
Round key (81) is fixedly set on dead axle (10).
5. electromagnetic fan clutch according to claim 4, it is characterised in that：The bottom land of the first annular groove (51) is opened
Some magnetic conductive holes (52) are provided with, the magnetic conductive hole (52) is divided into inside and outside two circle, are often all evenly equipped with some magnetic conductive holes on circle.
6. electromagnetic fan clutch according to claim 5, it is characterised in that：The bottom land bottom of the first annular groove (51)
Rib is provided with the right side of wall, the rib is twist arranged from inside to outside, the rotation direction of rib and the drive plate
(50) rotation direction is identical.
7. electromagnetic fan clutch according to claim 6, it is characterised in that：On the excircle of the drive plate (50) also
Heat dissipation plate (41) is installed with, the fin (43) of some horizontal and vertical arrangements is provided with the heat dissipation plate (41).
8. electromagnetic fan clutch according to claim 7, it is characterised in that：The fan fixed disk (70) is including mutual
The fixed disk body (71) and terminal pad (73) being fixedly connected, the terminal pad (73) positioned at the right side of fixed disk body (71),
Permanent magnet (74) is installed with the right side of terminal pad (73), soft magnet is installed with heat dissipation plate (41)
(44), the permanent magnet (74) and soft magnet (44) position or so are corresponding, on the left side of the fixed disk body (71)
Be provided with annular protrusion (72), flabellum mounting hole (77) of the annular protrusion (72) in fan fixed disk (70) it is interior
Side.
9. electromagnetic fan clutch according to claim 8, it is characterised in that：The belt pulley (40) is by Pulley shaft
(42) are held on dead axle (10), the second annular groove (45) is offered on the right side of the belt pulley (40), described fixed
Fixed cover is equipped with baffle plate (47) on axle (10), and the baffle plate (47) is positioned at the right side of belt pulley bearing (42), the baffle plate (47)
Outer end formation insertion section (49) bending to the left, the insertion section (49) in the second annular groove (45), insertion section (49) with
There is gap between the cell wall of the second annular groove (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410101075.9A CN103939495B (en) | 2014-03-18 | 2014-03-18 | A kind of electromagnetic fan clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410101075.9A CN103939495B (en) | 2014-03-18 | 2014-03-18 | A kind of electromagnetic fan clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103939495A CN103939495A (en) | 2014-07-23 |
| CN103939495B true CN103939495B (en) | 2017-06-20 |
Family
ID=51187312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410101075.9A Active CN103939495B (en) | 2014-03-18 | 2014-03-18 | A kind of electromagnetic fan clutch |
Country Status (1)
| Country | Link |
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| CN (1) | CN103939495B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405490B (en) * | 2014-11-19 | 2017-06-06 | 龙口中宇汽车风扇离合器有限公司 | A kind of variable-speed clutch |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1292384B1 (en) * | 1997-06-19 | 1999-02-08 | Baruffaldi Spa | MOTORCYCLE TRANSMISSION DEVICE WITH ELECTROMAGNETIC CLUTCH AND EPICYCLOIDAL ROTISM FOR VEHICLE FANS |
| IT1316681B1 (en) * | 2000-02-29 | 2003-04-24 | Baruffaldi Spa | MOTORCYCLE TRANSMISSION DEVICE FOR MOTOR VEHICLE FANS |
| ITMI20022008A1 (en) * | 2002-09-23 | 2004-03-24 | Baruffaldi Spa | CONTROL EQUIPMENT OF RECIRCULATION DEVICES |
| ITMI20040487A1 (en) * | 2004-03-16 | 2004-06-16 | Baruffaldi Spa | TRANSMISSION DEVICE OF THE MOTOR COOLING FAN MOTOR EQUIPPED WITH FAN STOPPING EQUIPMENT CORRESPONDING TO A CONDITION OF THE FOLLE OF THE SAME |
| CN201041205Y (en) * | 2007-06-14 | 2008-03-26 | 钱高法 | Electromagnetic fan clutch |
| CN201144723Y (en) * | 2007-12-29 | 2008-11-05 | 张春明 | Electromagnetic fan clutch for heavy-duty car |
| CN201513228U (en) * | 2009-09-04 | 2010-06-23 | 昆山隆中麦士格瑞汽车部件有限公司 | Two-speed electromagnetic water pump fan clutch |
| CN102072170A (en) * | 2009-11-23 | 2011-05-25 | 昆山隆中麦士格瑞汽车部件有限公司 | Electromagnetic clutch water pump |
| CN102606275B (en) * | 2012-03-30 | 2014-12-03 | 王兆宇 | Electromagnetic fan clutch with opposite iron cores |
| CN202851732U (en) * | 2012-09-19 | 2013-04-03 | 周亚兰 | Novel type electromagnetic clutch |
| CN202991210U (en) * | 2012-12-18 | 2013-06-12 | 王桂岳 | Friction driven three-speed electromagnetic fan clutch |
| CN203770464U (en) * | 2014-03-18 | 2014-08-13 | 龙口中宇机械有限公司 | Electromagnetic fan clutch |
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2014
- 2014-03-18 CN CN201410101075.9A patent/CN103939495B/en active Active
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| CN103939495A (en) | 2014-07-23 |
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Effective date of registration: 20220811 Granted publication date: 20170620 |