CN1274975C - Electromagnetic clutch - Google Patents
Electromagnetic clutch Download PDFInfo
- Publication number
- CN1274975C CN1274975C CN 200310108374 CN200310108374A CN1274975C CN 1274975 C CN1274975 C CN 1274975C CN 200310108374 CN200310108374 CN 200310108374 CN 200310108374 A CN200310108374 A CN 200310108374A CN 1274975 C CN1274975 C CN 1274975C
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- CN
- China
- Prior art keywords
- electromagnetic chuck
- connecting plate
- spring sheet
- belt pulley
- magnetic clutch
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- 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
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Abstract
The present invention relates to an electromagnetic clutch which comprises a shaft sleeve (9) which is axially connected with a drive shaft of a compressor, wherein the inner side of a drive pulley (2) is provided with an annular groove (21), and an electromagnetic coil (5) is embedded in the annular groove (21); the other side of the pulley (2) is provided with an electromagnetic chuck (3), the inner side of which is provided with an axial clearance at the lateral surface corresponding to the pulley; the outer side of the electromagnetic chuck (3) is connected with a spring leaf (8); the shaft sleeve (9) is connected with the other end of the spring leaf (8); the outer side of the leaf spring (8) is provided with a connecting plate (7); an elastic piece is arranged on the outer end surface of the electromagnetic chuck (3), and an elastic piece is arranged between the electromagnetic chuck and the connecting plate. The present invention has the advantages of good buffering and vibration damping properties, high operating stability, strong tensile and pressure bearing ability, reliable structure, no impact sound and long service life. Besides, the present invention can bear strong transverse acting force and shearing force in the process of working.
Description
Technical field
The present invention relates to a kind of clutch.Particularly relate to a kind of magnetic clutch that automobile air conditioner compressor is used that is connected in composite elastic composite structure.
Background technique
The magnetic clutch structure kind of using in automobile air conditioner compressor both at home and abroad is a lot of at present, comparatively common as disclosed a kind of " automobile air conditioner electromagnetic clutch " among the Chinese patent specification 02229533.X, as shown in Figure 7, it comprises the main shaft disk 23 of the axle sleeve 31 that band compressor drive shaft (not shown) matches, one side of described main shaft disk is provided with an electromagnetic chuck 3, the opposite side of described electromagnetic chuck is provided with a belt pulley 2, be provided with spring sheet 8 between described electromagnetic chuck and the belt pulley, one electromagnetic coil 5 is set in the interior concave ring groove of main shaft disk 23, described electromagnetic coil is placed on the coil rack 21, coil rack is connected with main shaft disk, belt pulley is connected with the both sides of described electromagnetic chuck by bolt, electromagnetic chuck is an intermediate thin, the structure that two ends are thick is the phase matrix; In the middle of the main shaft disk also be and the corresponding matrix of electromagnetic chuck.Above-mentioned " automobile air conditioner electromagnetic clutch " its structure with simple with manufacturing process, cost of production is lower.Yet its shortcoming is because when electromagnetic coil is switched on, the spring sheet that is provided with between electromagnetic chuck and the belt pulley produces distortion down by the effect of axial magnetic power, and to bear simultaneously laterally and axial two-way load in the spring sheet work at this moment, the buffering of spring sheet and vibration-damping function a little less than, and after working long hours, the easy fatigue deformation of spring sheet and rupturing, thus its working stability and operating life thereof influenced.
Summary of the invention
Purpose of the present invention is exactly in order to overcome above-mentioned deficiency of the prior art, and a kind of employing composite elastic elements combination structural design is provided, and can improve the magnetic clutch of its functional reliability and operating life thereof.
The objective of the invention is by providing a kind of magnetic clutch to realize with following structure, it comprises the belt pulley of transferring power, one side of described belt pulley is provided with an electromagnetic chuck, the outside of described electromagnetic chuck is provided with spring sheet, described electromagnetic chuck one side is provided with an electromagnetic coil, described electromagnetic coil is placed on the coil rack, also comprises the axle sleeve that is connected with compressor drive shaft.The inboard of described belt pulley is provided with an annular groove, set an electromagnetic coil in the described annular groove, the opposite side of described belt pulley is provided with an electromagnetic chuck, the inboard of described electromagnetic chuck is provided with axial clearance with the relative side of described belt pulley, the outside of described electromagnetic chuck is connected with spring sheet, described axle sleeve is connected with the other end of described spring sheet, arranged outside a plate of described spring sheet, the outer distolateral described connecting plate of described electromagnetic chuck is provided with elastic component, is provided with elastic component between described electromagnetic chuck and the described connecting plate.
The skeleton of described electromagnetic coil is fixing with the support welding that is arranged on described belt pulley one side, and described support is fixed on the protecgulum of described compressor by being spirally connected.
The exterior edge face of described axle sleeve is provided with a triangle pad, and described axle sleeve is connected with described triangle pad, described spring sheet and described connecting plate.Described axle sleeve and described triangle pad, described spring sheet and described connecting plate are affixed with rivet.
The elastic component that is provided with on the described connecting plate in the outside of described electromagnetic chuck is evenly to arrange to inlay three round rubber springs on the circumference of the middle part of described electromagnetic chuck.The elastic component that is provided with between described electromagnetic chuck and the described connecting plate is the rubber sheet gasket that is provided with between described electromagnetic chuck and described connecting plate.
Described spring sheet is three bar-spring sheets, and described spring sheet one end is uniform to be connected on the described electromagnetic chuck periphery, its other end is uniform is connected on the described connecting plate.One end of described electromagnetic chuck and spring sheet is by the rivet Joint.
The present invention adopts the composite elastic composite structure of bar-spring sheet, round rubber spring and rubber sheet gasket.When described rubber spring, rubber sheet gasket with described electromagnetic chuck, when described connecting plate is assembled, described rubber spring and rubber sheet gasket are just for producing certain pre-compression force.The effect of round rubber spring is when the magnetic attraction electromagnetic chuck, can make electromagnetic chuck hold the belt pulley end face equably, and has the function of buffering; And when magnetic force disappeared, electromagnetic chuck set back under the resilient force of bar-spring sheet, round rubber spring, and rubber sheet gasket plays buffering and vibration-damping function again, can prevent impulsive sound.Simultaneously, the bar-spring sheet has the stronger ability of bearing horizontal force, thereby can improve the shearing force that the round rubber spring is born, and the round rubber spring has stronger tension and the anti-pressure ability of bearing.Therefore, composite elastic combined structure design of the present invention can improve the functional reliability and the operating life thereof of magnetic clutch.
The magnetive attraction that is produced when described electromagnetic coil is connected power supply is adsorbed on described electromagnetic chuck on the end face of described belt pulley, and the bar-spring sheet and the rubber spring that are connected with described electromagnetic chuck produce resiliently deformable along with the axial displacement of electromagnetic chuck; At this moment, described electromagnetic chuck rotates with described belt pulley, rotates thereby drive compressor drive shaft.When described electromagnetic coil cut off the power supply, magnetive attraction disappeared, and at this moment, belt pulley begins idle running, and compressor drive shaft is not rotated.
Compared with prior art, the invention has the advantages that: 1. have good buffer shock-absorbing performance, good operating stability; 2. can bear stronger horizontal force and shearing force at work, have stronger tension and the anti-pressure ability of bearing again; 3. reliable in structure can effectively prevent impulsive sound and can prolong operating life.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the A-A cut-away view of Fig. 1;
Fig. 3 be sucker of the present invention, bar-spring sheet, triangle pad, with the structural representation of connecting plate Joint;
Fig. 4 is the B-B cut-away view of Fig. 3;
Fig. 5 is a dextrad stereogram of the present invention;
Fig. 6 is a left-hand stereogram of the present invention;
Fig. 7 is a kind of prior art constructions schematic representation;
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Fig. 1 to Fig. 6 illustrates an embodiment of the invention.Magnetic clutch of the present invention comprises the axle sleeve 9 that is connected with compressor drive shaft, power source drives the belt pulley 2 of compressor drive shaft (not shown) by v belt 1, the inboard of described belt pulley 2 is provided with the circular groove 21 of one " П " font, the circular groove 21 of described " П " font is set an electromagnetic coil 5, the skeleton 51 of described electromagnetic coil 5 is fixing with support 4 welding that are arranged on described belt pulley 2 one sides, and described support 4 is fixed in (not shown) on the protecgulum of described compressor by being spirally connected.The circular groove 21 that is embedded in the electromagnetic coil 5 of circular groove of described " П " font and described " П " font is provided with certain clearance between the two, allows when described electromagnetic coil 5 is static and 2 rotations of described belt pulley.
The outside of described electromagnetic chuck 3 is connected with spring sheet 8, and described spring sheet 8 is three bar-spring sheets along electromagnetic chuck 3 circumference uniform distributions.One end of described electromagnetic chuck 3 and three bar-spring sheets 8 is by rivet 12 Joints.Described axle sleeve 9 is connected with the other end of described spring sheet 8, arranged outside a plate 7 of described spring sheet 8, and the exterior edge face of described electromagnetic chuck 3 is provided with elastic component, is provided with elastic component between described electromagnetic chuck and the described connecting plate.
The skeleton 51 of described electromagnetic coil 5 is fixing with the support that is arranged on described belt pulley 2 one sides 4 welding, and described support 4 is fixed on the protecgulum of described compressor by being spirally connected.
The exterior edge face of described axle sleeve 9 is provided with a triangle pad 10, and described axle sleeve 9 is connected with described triangle pad 10, described spring sheet 8 and described connecting plate 7 four.
Described axle sleeve 9 is connected with described triangle pad 10, described spring sheet 8 and described connecting plate 7 four usefulness rivets 11.
The elastic component that is provided with on the exterior edge face of described electromagnetic chuck 3 is evenly to arrange to inlay three round rubber springs 13 on the circumference of the middle part of described electromagnetic chuck 3.The elastic component that is provided with between described electromagnetic chuck and the described connecting plate is the rubber sheet gasket 6 that is provided with between described electromagnetic chuck 3 and described connecting plate 7.When described rubber spring 13, rubber sheet gasket 6 with described electromagnetic chuck 3, when described connecting plate 7 is assembled, described rubber spring 13 and rubber sheet gasket 6 are just for producing certain pre-compression force.And described rubber sheet gasket 6 is as buffer shock-absorbing, than common only adopt the round rubber spring structure to have more to connect that area is big, structure reliable characteristics more.
The working procedure of magnetic clutch of the present invention is such: when described electromagnetic coil 5 is connected power supply by terminal 52, the magnetive attraction that is produced is adsorbed on described electromagnetic chuck 3 on the end face of described belt pulley 2, and the described bar-spring sheet 8 and the rubber spring 13 that are connected with described electromagnetic chuck 3 produce resiliently deformable along with the axial displacement of described electromagnetic chuck 3; At this moment, described electromagnetic chuck 3 rotates with described belt pulley 2, rotates thereby drive compressor drive shaft.
When described electromagnetic coil 5 cut off the power supply, magnetive attraction disappeared, and described electromagnetic chuck 3 sets back under the resilient force of bar-spring sheet 8 and rubber spring 13, and described electromagnetic chuck 3 breaks away from described belt pulley 2, and described belt pulley 2 begins idle running.
The present invention adopts the composite elastic composite structure of bar-spring sheet, round rubber spring and rubber sheet gasket.The effect of round rubber spring is when the magnetic attraction electromagnetic chuck, can make electromagnetic chuck hold the belt pulley end face equably, and has the function of buffering; And when magnetic force disappeared, electromagnetic chuck set back under the resilient force of bar-spring sheet, round rubber spring, and rubber sheet gasket plays buffering and vibration-damping function again, can prevent impulsive sound.Simultaneously, the bar-spring sheet has the stronger ability of bearing horizontal force, thereby can improve the shearing force that the round rubber spring is born, and the round rubber spring has stronger tension and the anti-pressure ability of bearing.Therefore, composite elastic combined structure design of the present invention can improve the functional reliability and the operating life thereof of magnetic clutch.
Claims (8)
1. magnetic clutch, the belt pulley that comprises transferring power, one side of described belt pulley is provided with an electromagnetic chuck, the outside of described electromagnetic chuck is provided with spring sheet, described electromagnetic chuck one side is provided with an electromagnetic coil, described electromagnetic coil is placed on the coil rack, also comprise the axle sleeve that is connected with compressor drive shaft, it is characterized in that: the inboard of described belt pulley (2) is provided with an annular groove (21), set an electromagnetic coil (5) in the described annular groove (21), the opposite side of described belt pulley (2) is provided with an electromagnetic chuck (3), the inboard of described electromagnetic chuck (3) is provided with axial clearance with the relative side of described belt pulley (2), the outside of described electromagnetic chuck (3) is connected with spring sheet (8), described axle sleeve (9) is connected with the other end of described spring sheet (8), arranged outside a plate (7) of described spring sheet (8), the connecting plate (7) in described electromagnetic chuck (3) outside is provided with elastic component, is provided with elastic component between described electromagnetic chuck and the described connecting plate.
2. magnetic clutch as claimed in claim 1, it is characterized in that: the skeleton (51) of described electromagnetic coil (5) is fixing with support (4) welding that is arranged on described belt pulley (2) one sides, and described support (4) is fixed on the protecgulum of described compressor by being spirally connected.
3. magnetic clutch as claimed in claim 1, it is characterized in that: the exterior edge face of described axle sleeve (9) is provided with a triangle pad (10), and described axle sleeve (9) is connected with described triangle pad (10), described spring sheet (8) and described connecting plate (7) four.
4. magnetic clutch as claimed in claim 3 is characterized in that: described axle sleeve (9) and described triangle pad (10), described spring sheet (8) and described connecting plate (7) the 4th, and with rivet (11) Joint.
5. magnetic clutch as claimed in claim 1 is characterized in that: it is evenly to arrange to inlay three round rubber springs (13) on the middle part circumference of described electromagnetic chuck (3) that the connecting plate (7) in described electromagnetic chuck (3) outside is gone up the elastic component that is provided with.
6. magnetic clutch as claimed in claim 1 is characterized in that: the elastic component that is provided with between described electromagnetic chuck and the described connecting plate is the rubber sheet gasket (6) that is provided with between described electromagnetic chuck (3) and described connecting plate (7).
7. magnetic clutch as claimed in claim 4, it is characterized in that: described spring sheet (8) is three bar-spring sheets, and described spring sheet (8) one end is uniform to be connected on described electromagnetic chuck (3) periphery, its other end is uniform is connected on the described connecting plate (7).
8. magnetic clutch as claimed in claim 1 is characterized in that: described electromagnetic chuck (3) is by rivet (12) Joint with an end of spring sheet (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310108374 CN1274975C (en) | 2003-11-03 | 2003-11-03 | Electromagnetic clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310108374 CN1274975C (en) | 2003-11-03 | 2003-11-03 | Electromagnetic clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1540180A CN1540180A (en) | 2004-10-27 |
| CN1274975C true CN1274975C (en) | 2006-09-13 |
Family
ID=34334633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310108374 Expired - Fee Related CN1274975C (en) | 2003-11-03 | 2003-11-03 | Electromagnetic clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1274975C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006250204A (en) * | 2005-03-09 | 2006-09-21 | Sanden Corp | Electromagnetic clutch for compressor |
| US9068603B2 (en) * | 2010-08-24 | 2015-06-30 | Litens Automotive Partnership | Clutched driven device and associated clutch mechanism |
| CN102723676B (en) * | 2012-03-28 | 2015-03-11 | 伊顿电气有限公司 | Electric chassis vehicle for circuit breaker |
| CN103511503A (en) * | 2012-06-20 | 2014-01-15 | 苏州中成汽车空调压缩机有限公司 | Sucking disc device of clutch of automobile air-conditioner compressor |
| CN102758898B (en) * | 2012-07-05 | 2015-04-22 | 长城汽车股份有限公司 | Compressor driving mechanism and car air conditioning refrigerating system |
| CN103867600B (en) * | 2012-12-14 | 2018-06-15 | 华域三电汽车空调有限公司 | Electromagnetic clutch |
| CN104930077A (en) * | 2015-06-05 | 2015-09-23 | 安徽昊方机电股份有限公司 | Novel lightweight electromagnetic clutch |
| CN108443353B (en) * | 2018-03-26 | 2020-05-08 | 精进电动科技股份有限公司 | Tooth-embedded electromagnetic clutch |
-
2003
- 2003-11-03 CN CN 200310108374 patent/CN1274975C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1540180A (en) | 2004-10-27 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060913 Termination date: 20181103 |