CN102758857A - Two-speed electromagnetic fan clutch - Google Patents
Two-speed electromagnetic fan clutch Download PDFInfo
- Publication number
- CN102758857A CN102758857A CN2012102443927A CN201210244392A CN102758857A CN 102758857 A CN102758857 A CN 102758857A CN 2012102443927 A CN2012102443927 A CN 2012102443927A CN 201210244392 A CN201210244392 A CN 201210244392A CN 102758857 A CN102758857 A CN 102758857A
- Authority
- CN
- China
- Prior art keywords
- clutch rotor
- clutch
- axle sleeve
- central axle
- wheel cover
- 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.)
- Pending
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Abstract
The invention relates to a two-speed electromagnetic fan clutch which comprises a clutch rotor, a wheel sleeve and a bearing, wherein a suction disk and a disk-shaped spring sheet are arranged between the other side of the end part of the outer side of the clutch rotor and the wheel sleeve; the disk-shaped spring sheet is positioned between the suction disk and the wheel sleeve; a clearance is formed between the suction disk and the clutch rotor; the end face of one side of the disk-shaped spring sheet is connected with the side end of the wheel sleeve in a circumferential direction through a plurality of first screws; the end face of the other side of the disk-shaped spring sheet is connected with the suction disk in a circumferential direction through second screws; the first screws and the second screws are crossly distributed in the circumferential direction of the disk-shaped spring sheet; and accommodating holes for accommodating screw cap parts of the first screws and the second screws are respectively formed in the wheel sleeve and the suction disk. The two-speed electromagnetic fan clutch has the advantages of simple and rational integral structure and convenience in assembly and maintenance; the maintenance cost is greatly reduced; an excitation coil on a fixed shell is magnetized to suck the suction disk to drive the wheel sleeve and a fan to rotate; the torque is high; and the requirement for working of high-power engine fans is met.
Description
Technical field
The present invention relates to a kind of motor car engine cooling unit, particularly a kind of two-speed electromagnetic fan clutch.
Background technique
Electromagnetic fan clutch all is structure as a whole in the known technology, and complex structure, and because electromagnetic fan clutch when work; Continually separate and attracting state between switch, electromagnetic fan clutch is required very strict, in case break down during work; Then need safeguard immediately or keep in repair, this kind complicacy and the structure that is one then cause maintenance or safeguard very inconvenience, in case internal structure is damaged; Usually need change multiple component, cause the maintenance and repair cost big.
Summary of the invention
The object of the invention is exactly the deficiency in the background technique, and a kind of two-speed electromagnetic fan clutch is provided, and this two-speed electromagnetic fan clutch needs rational in infrastructure, simple; Moment of torsion is big; Can satisfy engine blower running needs, and need maintenance and repair convenient, maintenance cost is low.
For achieving the above object; The present invention adopts following technological scheme: a kind of two-speed electromagnetic fan clutch, comprise clutch rotor, wheel cover, bearing, and outboard end one side of said clutch rotor is provided with field coil; Transmission main shaft is connected with the central axle sleeve of clutch rotor; The central axle sleeve radial outside of clutch rotor is connected with the inner ring of bearing, and the central axle sleeve radially inner side of wheel cover is connected with the outer ring of bearing, is provided with sucker and cup spring sheet between clutch rotor outboard end opposite side and the wheel cover; Said cup spring sheet is between sucker and wheel cover; Be provided with the gap between sucker and the clutch rotor, a side end face of cup spring sheet circumferentially is connected through the side of some first screws with the wheel cover, and the opposite side end face of cup spring sheet circumferentially is connected with sucker through second screw; And each first screw, each second screw cross-distribution in the cup spring sheet circumferentially, be respectively equipped with the receiving bore of the nut portion that holds each first screw, each second screw on wheel cover, the sucker.
For a kind of optimization of the present invention; The central axle sleeve of clutch rotor is provided with outward in the central axle sleeve of stepped part I, wheel cover and is provided with stepped part II; Said bearing is arranged between stepped part 1 and the stepped part II; The central axle sleeve of clutch rotor is provided with outward and prevents the axially movable circlip for hole I of bearing outer ring, is provided with in the central axle sleeve of wheel cover and prevents the axially movable circlip for hole II of bearing inner race.
For a kind of optimization of the present invention, transmission main shaft radially is in transmission connection through the central axle sleeve of straight key and clutch rotor, and the axial end portion of transmission main shaft is provided with whorl brace rod, and is connected with the central axle sleeve end of clutch rotor through nut and end plate.
For a kind of optimization of the present invention, said field coil is connected in outboard end one side of clutch rotor through stationary housing.
The present invention compares with background technique, and it is simple, reasonable to have overall structure, is convenient to assembling and maintenance, greatly reduces maintenance cost; Field coil magnetize and adhesive sucker driven wheel cover and fan rotate on the stationary housing, and its moment of torsion is big, satisfies the needs of high power engine fan work.
Description of drawings
Fig. 1 is the structural representation of two-speed electromagnetic fan clutch.
Embodiment
Embodiment 1: with reference to Fig. 1.A kind of two-speed electromagnetic fan clutch; Comprise clutch rotor 3, wheel cover 5, bearing 8; Outboard end one side of said clutch rotor 3 is provided with field coil 2; Transmission main shaft 15 is connected with the central axle sleeve 31 of clutch rotor 3, and central axle sleeve 41 radial outsides of clutch rotor 3 are connected with the inner ring of bearing 8, and central axle sleeve 51 radially inner sides of wheel cover 5 are connected with the outer ring of bearing 8; Cooling fan is connected in wheel cover 5 outsides through screw 13; Be provided with sucker 4 and cup spring sheet 6 between clutch rotor 3 outboard end and the wheel cover 5, said cup spring sheet 6 is provided with gap A between sucker 4 and the clutch rotor 3 between sucker 4 and wheel cover 5; One side end face of cup spring sheet 6 circumferentially is connected through the side of some first screws 7 with wheel cover 5; The opposite side end face of cup spring sheet 6 circumferentially is connected with sucker 4 through second screw 14, and each first screw 7, each second screw, 14 cross-distribution in cup spring sheet 6 circumferentially, be respectively equipped with on wheel cover 5, the sucker 4 and hold respectively first screw 7, the respectively receiving bore 52 and the receiving bore 41 of the nut portion of second screw 14.The central axle sleeve 31 of clutch rotor 3 is outer to be provided with in the central axle sleeve 51 of stepped part I 31a, wheel cover 5 and to be provided with stepped part II 51a; At least one group of bearing 8 is arranged between stepped part 1 31a and the stepped part II 51a; Central axle sleeve 31 outer being provided with of clutch rotor 3 prevent the axially movable circlip for hole I 9 in bearing 8 outer rings, are provided with in the central axle sleeve 51 of wheel cover 5 and prevent the axially movable circlip for hole II 16 of bearing 8 inner rings.Transmission main shaft 15 radially is in transmission connection through the central axle sleeve 31 of straight key 12 with clutch rotor 3, and the axial end portion of transmission main shaft 15 is provided with whorl brace rod 15a, and is connected with central axle sleeve 31 ends of clutch rotor 3 through nut 11 and end plate 10.Said field coil 2 is connected in outboard end one side of clutch rotor 3 through stationary housing 1.
Embodiment 2: with reference to Fig. 1.The working state of said two-speed electromagnetic fan clutch is set: 15 rotations of engine drives transmission main shaft, and transmission main shaft 15 makes clutch rotor 3 rotations through straight key 12; When the water temperature of motor car engine during less than setting temperature, the two-speed electromagnetic fan clutch does not have work, and sucker 4 is in separated state with clutch rotor 3, and clutch rotor 3 put fan through cock wheel cover and wheel between the bearing ball friction effect and rotated freely this moment; When the water temperature of motor car engine during more than or equal to setting temperature; The work of two-speed electromagnetic fan clutch; Sucker 4 is in attracting state with clutch rotor 3, and this moment, clutch rotor 3 direct driven wheel covers and wheel put the fan rotation, and promptly fan and transmission main shaft 15 rotate synchronously.In addition, this two-speed electromagnetic fan clutch also can be set and separated or the adhesive condition according to actual conditions in real time, thereby satisfies the requirement of different operating modes.
What need understand is: though present embodiment is to the present invention's detailed explanation of contrasting; But these explanations, just to simple declaration of the present invention, rather than limitation of the present invention; Any innovation and creation that do not exceed in the connotation of the present invention all fall into protection scope of the present invention.
Claims (4)
1. two-speed electromagnetic fan clutch; Comprise clutch rotor, wheel cover, bearing; Outboard end one side of said clutch rotor is provided with field coil, and transmission main shaft is connected with the central axle sleeve of clutch rotor, and the central axle sleeve radial outside of clutch rotor is connected with the inner ring of bearing; The central axle sleeve radially inner side of wheel cover is connected with the outer ring of bearing; It is characterized in that: be provided with sucker and cup spring sheet between clutch rotor outboard end opposite side and the wheel cover, said cup spring sheet is provided with the gap between sucker and the clutch rotor between sucker and wheel cover; One side end face of cup spring sheet circumferentially is connected through the side of some first screws with the wheel cover; The opposite side end face of cup spring sheet circumferentially is connected with sucker through second screw, and each first screw, each second screw cross-distribution in the cup spring sheet circumferentially, be respectively equipped with on wheel cover, the sucker and hold respectively first screw, the receiving bore of the nut portion of second screw respectively.
2. two-speed electromagnetic fan clutch according to claim 1; It is characterized in that: the central axle sleeve of clutch rotor is provided with outward in the central axle sleeve of stepped part I, wheel cover and is provided with stepped part II; Said bearing is arranged between stepped part 1 and the stepped part II; The central axle sleeve of clutch rotor is provided with outward and prevents the axially movable circlip for hole I of bearing outer ring, is provided with in the central axle sleeve of wheel cover and prevents the axially movable circlip for hole II of bearing inner race.
3. two-speed electromagnetic fan clutch according to claim 1; It is characterized in that: transmission main shaft radially is in transmission connection through the central axle sleeve of straight key and clutch rotor; The axial end portion of transmission main shaft is provided with whorl brace rod, and is connected with the central axle sleeve end of clutch rotor through nut and end plate.
4. two-speed electromagnetic fan clutch according to claim 1 is characterized in that: said field coil is connected in outboard end one side of clutch rotor through stationary housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102443927A CN102758857A (en) | 2012-07-16 | 2012-07-16 | Two-speed electromagnetic fan clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102443927A CN102758857A (en) | 2012-07-16 | 2012-07-16 | Two-speed electromagnetic fan clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102758857A true CN102758857A (en) | 2012-10-31 |
Family
ID=47053445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102443927A Pending CN102758857A (en) | 2012-07-16 | 2012-07-16 | Two-speed electromagnetic fan clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102758857A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671621A (en) * | 2013-11-25 | 2014-03-26 | 安徽创新电磁离合器有限公司 | Double-magnetic-circuit electromagnetic clutch |
| CN104832561A (en) * | 2015-05-07 | 2015-08-12 | 高邮市高农机械配件有限公司 | Normally open type electromagnetic fan clutch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4270642A (en) * | 1979-01-08 | 1981-06-02 | Canadian Fram Limited | Castellated spool for electromagnetic band clutch |
| CN2338493Y (en) * | 1998-08-25 | 1999-09-15 | 龙口市汽车风扇离合器厂 | Brushless electromagnetic clutch |
| CN201096009Y (en) * | 2007-08-24 | 2008-08-06 | 李磊 | Double speed electromagnetic fan clutch |
| CN201177017Y (en) * | 2007-06-14 | 2009-01-07 | 钱高法 | Combined type electromagnetic fan clutch |
| CN203201640U (en) * | 2012-07-16 | 2013-09-18 | 日丰机械有限公司 | Two-speed electromagnetic fan clutch for cooling device of automobile engine |
-
2012
- 2012-07-16 CN CN2012102443927A patent/CN102758857A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4270642A (en) * | 1979-01-08 | 1981-06-02 | Canadian Fram Limited | Castellated spool for electromagnetic band clutch |
| CN2338493Y (en) * | 1998-08-25 | 1999-09-15 | 龙口市汽车风扇离合器厂 | Brushless electromagnetic clutch |
| CN201177017Y (en) * | 2007-06-14 | 2009-01-07 | 钱高法 | Combined type electromagnetic fan clutch |
| CN201096009Y (en) * | 2007-08-24 | 2008-08-06 | 李磊 | Double speed electromagnetic fan clutch |
| CN203201640U (en) * | 2012-07-16 | 2013-09-18 | 日丰机械有限公司 | Two-speed electromagnetic fan clutch for cooling device of automobile engine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671621A (en) * | 2013-11-25 | 2014-03-26 | 安徽创新电磁离合器有限公司 | Double-magnetic-circuit electromagnetic clutch |
| CN103671621B (en) * | 2013-11-25 | 2016-03-02 | 安徽创新电磁离合器有限公司 | A kind of Double-magnetic-circelectromagnetic electromagnetic clutch |
| CN104832561A (en) * | 2015-05-07 | 2015-08-12 | 高邮市高农机械配件有限公司 | Normally open type electromagnetic fan clutch |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121031 |