CN102305251B - Composite retainer for decoupler pulley and decoupler pulley - Google Patents
Composite retainer for decoupler pulley and decoupler pulley Download PDFInfo
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- CN102305251B CN102305251B CN201110248141.1A CN201110248141A CN102305251B CN 102305251 B CN102305251 B CN 102305251B CN 201110248141 A CN201110248141 A CN 201110248141A CN 102305251 B CN102305251 B CN 102305251B
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- mounting part
- plastic mounting
- belt pulley
- decoupler
- mandrel
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Abstract
The invention relates to a composite retainer for a decoupler pulley and the decoupler pulley. The composite retainer is assembled on a central spindle and is used for accommodating a torque spring and a friction spring; and the composite retainer comprises a plastic mounting piece and a metal gasket having a reinforcing function, wherein the plastic mounting piece is circular generally, and is provided with a mounting end and a reinforcing end; the mounting end of the plastic mounting piece is used for mounting the torque spring and the friction spring; and the reinforcing end of the plastic mounting piece is provided with the metal gasket of which the shape is matched with that of the plastic mounting piece. The composite retainer for the decoupler pulley is simple in structure and easy to manufacture; the metal gasket and the plastic mounting piece are compounded to form the composite retainer; a metal gasket forming process is simple; the plastic mounting piece is formed through injection molding; a process is simple; the total manufacturing cost is low; and the strength is high. The decoupler pulley provided with the composite retainer is simple in structure, low in manufacturing cost, high in strength and reliable in assembly.
Description
Technical field
The present invention relates to decoupler belt pulley technical field, especially a kind of composite holder for decoupler belt pulley and decoupler belt pulley thereof.
Background technique
Alternator comes from Germany with decoupler belt pulley, and American-European car system, car system of Japan and Korea S are used more in the world at present.Generator decoupler belt pulley has OAP/OAD/OWC etc. according to structure difference, produces in the world the producer of this belt pulley taking INA, Leiden, Gates, NSK, NTN, KOYO etc. as main.Alternator with the Main Function of decoupler belt pulley is: 1, reduce the fluctuation of front end wheel train tension force, improve the each part life of front end wheel train; 2, reduce the fluctuation of speed of front end wheel train, reduce the noise of front end wheel train; 3, avoid reverse impact, effectively protect generator; 4, reduce the generator energy consumption causing of reversing, energy saving.
The vital part of realizing single direction rotation in decoupler belt pulley assembly is overrunning clutch, overrunning clutch is sleeved between the belt pulley and mandrel of decoupler belt pulley assembly, overrunning clutch comprises torsion spring, friction spring, thrust washer and retainer, torsion spring is sleeved on mandrel, friction spring comprises kink and spring coil, retainer has the groove matching with kink, the kink of friction spring is inlaid in the groove of retainer, torsion spring outer ring sleeve is equipped with plastics spacer, plastic partition put have circumferentially uniform, for eliminating ten axial elongated slots of the resonance producing when belt pulley is worked, friction spring is wound on plastic partition and puts.Be iron retainer as Chinese Patent Application No. 201010273852.X discloses a kind of retainer, this iron retainer fabricating cost is higher, and add after adopting man-hour Technology of Steel Castings to complete blank material and also need to carry out machining, the effort of taking a lot of work, processing cost is higher.Be plastic cage as Chinese Patent Application No. 201010273861.9 discloses a kind of retainer, replace iron with plastics, although fabricating cost is low, easy to process, insufficient strength, working life is lower.
Summary of the invention
The technical problem to be solved in the present invention is: for deficiency of the prior art, the invention provides a kind of composite holder for decoupler belt pulley, adopt plastics and iron laminating production retainer to realize easily processing, cost is low, the object that intensity is high, a kind of decoupler belt pulley of the present invention, adopts composite holder, simple in structure, intensity is high.
The technical solution adopted for the present invention to solve the technical problems is: a kind of composite holder for decoupler belt pulley, be assemblied on mandrel for mounting torque spring and friction spring, comprise the metallic shim of plastic mounting part and a reinforing function, described plastic mounting part is ring substantially, plastic mounting part has mounting end and strengthens end, the mounting end of plastic mounting part is in order to mounting torque spring and friction spring, and the reinforcement end of plastic mounting part is installed shape and the suitable metallic shim of plastic mounting part.
For reliable with friction spring and torsion spring assembling, on the end face of described plastic mounting part installation friction spring, there is the draw-in groove matching with the kink of friction spring, the end face of plastic mounting part mounting torque spring is made up of the helicoid and the one section of plane that match with torsion spring end, helicoid and plane intersection have a positioning step, on described metallic shim, there is the stamping forming step to plastic mounting part one side projection, described step is positioned at and the corresponding position of positioning step, and step exceeds plane and flushes with the side of positioning step.
For making retainer and mandrel assembling reliable, on the inner headed face of described metallic shim, there are three and coordinate the projection for locating with mandrel, the width of three projections is not identical.
For making metallic shim offer at least one for strengthening the perforate of adhesive strength on being combined more reliable, described metallic shim with plastic mounting part, plastic mounting part has the protuberance corresponding with perforate.Perforate coordinates with protuberance increases adhesive strength.
As preferably, on described metallic shim, offer three perforates, plastic mounting part has three protuberances corresponding with metallic shim.
A kind of decoupler belt pulley that adopts above-mentioned composite holder, comprise mandrel, belt pulley with the coaxial setting of mandrel, overrunning clutch, front support bearing and rear support bearing are installed between belt pulley and mandrel, it is characterized in that: described overrunning clutch comprises composite holder, is arranged on torsion spring and friction spring on composite holder, described composite holder is fixedly set on mandrel, has the groove corresponding with three projections of composite holder on mandrel.
The invention has the beneficial effects as follows, composite holder for decoupler belt pulley of the present invention is simple in structure, be easy to manufacture, adopt metallic shim and plastic mounting part to be composited, metallic shim moulding process is simple, plastic mounting part injection molded, and technique is simple, integral manufacturing cost is lower, and intensity is higher.A kind of decoupler belt pulley that adopts composite holder of the present invention, simple in structure, low cost of manufacture,, intensity is high, and assembling is reliable.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the main TV structure schematic diagram of the composite holder most preferred embodiment for decoupler belt pulley of the present invention;
Fig. 2 is the backsight structural representation of the composite holder most preferred embodiment for decoupler belt pulley of the present invention;
Fig. 3 is the left TV structure schematic diagram of the composite holder most preferred embodiment for decoupler belt pulley of the present invention;
Fig. 4 is the structural representation of decoupler belt pulley most preferred embodiment of the present invention.
In figure: 1. plastic mounting part, 1-1. draw-in groove, 1-2. helicoid, 1-3. plane, 2. metallic shim, 2-1. perforate, 2-2. projection, 2-3. step, 3. mandrel, 4. belt pulley, 5. front support bearing, 6. rear support bearing, 7. torsion spring, 8. friction spring.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present invention is only described in a schematic way, and therefore it only shows the formation relevant with the present invention.
Fig. 1～3rd, the present invention is for the most preferred embodiment of the composite holder of decoupler belt pulley, comprise the metallic shim 2 of plastic mounting part 1 and a reinforing function, plastic mounting part 1 is ring substantially, plastic mounting part 1 has mounting end and strengthens end, the mounting end of plastic mounting part 1 is in order to mounting torque spring 7 and friction spring 8, and the reinforcement end of plastic mounting part 1 is installed shape and the suitable metallic shim 2 of plastic mounting part 1.Plastic mounting part 1 and metallic shim 2 are compounded to form composite holder of the present invention, plastic mounting part 1 and metallic shim 2 can form by injection-moulded plastic assembling set 1 on metallic shim 2, also after can completing separately, be bonded to one, ensure that the surface of contact between plastic mounting part 1 and metallic shim 2 is fixed.
Plastic mounting part 1 is installed on the end face of friction spring 8 has the draw-in groove 1-1 matching with the kink of friction spring 8, the end face of plastic mounting part 1 mounting torque spring 7 is made up of the helicoid 1-2 and the one section of plane that match with torsion spring 7 ends, helicoid 1-2 and plane 1-3 intersection have a positioning step, on metallic shim 2, there is the stamping forming step 2-3 to plastic mounting part 1 one side projections, step 2-3 is positioned at and the corresponding position of positioning step, and step 2-3 exceeds plane 1-3 and flushes with the side of positioning step.
For making the axial synchronous rotary of mandrel 3 and retainer, mandrel 3 and retainer are realized by projection 2-2 and groove mating reaction, for avoiding loading error to improve precision, the width of three grooves offering on mandrel 3 is not identical, for matching with mandrel 3, on the inner headed face of metallic shim 2, have three and coordinate the projection 2-2 for locating with mandrel 3, the width of three projection 2-2 is not identical.
On metallic shim 2, offer at least one for strengthening the perforate 2-1 of adhesive strength, plastic mounting part 1 has the protuberance corresponding with perforate 2-1.
As preferably, on metallic shim 2, offer three perforate 2-1, plastic mounting part 1 has three protuberances corresponding with metallic shim 2.On metallic shim 2, have to the step 2-3 of plastic mounting part 1 one side projections.
Shown in Fig. 4, the most preferred embodiment of decoupler belt pulley of the present invention, comprise mandrel 3, belt pulley 4 with the coaxial setting of mandrel 3, overrunning clutch, front support bearing 5 and rear support bearing 6 are installed between belt pulley 4 and mandrel 3, overrunning clutch comprises composite holder, is arranged on torsion spring 7 and friction spring 8 on composite holder, composite holder is fixedly set on mandrel 3, has three grooves that projection 2-2 is corresponding with composite holder on mandrel 3.
Taking above-mentioned foundation desirable embodiment of the present invention as enlightenment, by above-mentioned description, relevant staff can, not departing from the scope of this invention technological thought, carry out various change and amendment completely.The technical scope of this invention is not limited to the content on specification, must determine its technical scope according to claim scope.
Claims (5)
1. the composite holder for decoupler belt pulley, be assemblied in mandrel (3) upper for mounting torque spring (7) and friction spring (8), it is characterized in that: the metallic shim (2) that comprises plastic mounting part (1) and a reinforing function, described plastic mounting part (1) is ring substantially, plastic mounting part (1) has mounting end and strengthens end, the mounting end of plastic mounting part (1) is in order to mounting torque spring (7) and friction spring (8), the metallic shim (2) that the reinforcement end installation shape of plastic mounting part (1) and plastic mounting part (1) are suitable, on the end face of described plastic mounting part (1) installation friction spring (8), there is the draw-in groove (1-1) matching with the kink of friction spring (8), the end face of plastic mounting part (1) mounting torque spring (7) is made up of the helicoid (1-2) and the one section of plane (1-3) that match with torsion spring (7) end, helicoid (1-2) and plane (1-3) intersection have a positioning step, on described metallic shim (2), there is the stamping forming step to plastic mounting part (1) one side projection (2-3), described step (2-3) is positioned at and the corresponding position of positioning step, step (2-3) exceeds plane (1-3) and flushes with the side of positioning step.
2. the composite holder for decoupler belt pulley as claimed in claim 1, it is characterized in that: on the inner headed face of described metallic shim (2), have three projections (2-2) that coordinate with mandrel (3) for locating, the width of three projections (2-2) is not identical.
3. the composite holder for decoupler belt pulley as claimed in claim 1 or 2, it is characterized in that: on described metallic shim (2), offer at least one for strengthening the perforate (2-1) of adhesive strength, plastic mounting part (1) has the protuberance corresponding with perforate (2-1).
4. the composite holder for decoupler belt pulley as claimed in claim 3, is characterized in that: on described metallic shim (2), offer three perforates (2-1), plastic mounting part (1) has three protuberances corresponding with metallic shim (2).
5. one kind adopts the decoupler belt pulley of composite holder claimed in claim 1, comprise mandrel (3), belt pulley (4) with the coaxial setting of mandrel (3), between belt pulley (4) and mandrel (3), overrunning clutch is installed, front support bearing (5) and rear support bearing (6), it is characterized in that: described overrunning clutch comprises composite holder, be arranged on torsion spring (7) and friction spring (8) on composite holder, described composite holder is fixedly set on mandrel (3), on mandrel (3), there is the groove corresponding with three projections (2-2) of composite holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110248141.1A CN102305251B (en) | 2011-08-25 | 2011-08-25 | Composite retainer for decoupler pulley and decoupler pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110248141.1A CN102305251B (en) | 2011-08-25 | 2011-08-25 | Composite retainer for decoupler pulley and decoupler pulley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102305251A CN102305251A (en) | 2012-01-04 |
| CN102305251B true CN102305251B (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110248141.1A Active CN102305251B (en) | 2011-08-25 | 2011-08-25 | Composite retainer for decoupler pulley and decoupler pulley |
Country Status (1)
| Country | Link |
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| CN (1) | CN102305251B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103830853A (en) * | 2014-03-03 | 2014-06-04 | 青岛亿和海丽安防科技有限公司 | Self-return type coaxial descent control device |
| CN108561453A (en) * | 2018-05-11 | 2018-09-21 | 上海法雷奥汽车电器系统有限公司 | A kind of one-way clutch and starter |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4366609A (en) * | 1979-09-17 | 1983-01-04 | Dayco Corporation | Composite pulley and method for making |
| US4722722A (en) * | 1986-06-27 | 1988-02-02 | Jepmar Research | Rotatable drive member formed from injection molded plastics material with preform insert |
| JPH08270730A (en) * | 1995-03-29 | 1996-10-15 | Bridgestone Corp | Torsional damper |
| CZ298343B6 (en) * | 1997-05-07 | 2007-08-29 | Litens Automotive Partnership | Device for transmitting movement and serpentine belt drive system |
| ATE384205T1 (en) * | 2002-07-26 | 2008-02-15 | Litens Automotive | CUTTING DISC FOR CONTINUOUS THREE-PHASE GENERATOR WITH BARE WIRE SPRING AND GREASE LUBRICATION |
| CN101936377B (en) * | 2010-09-07 | 2012-11-28 | 江苏南方轴承股份有限公司 | One-way belt pulley |
| CN201916389U (en) * | 2010-12-20 | 2011-08-03 | 江苏南方轴承股份有限公司 | Overtraveling decoupler for automobile alternating current generator |
| CN202176694U (en) * | 2011-08-25 | 2012-03-28 | 江苏南方轴承股份有限公司 | Composite cage used for decoupler pulley and decoupler pulley |
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2011
- 2011-08-25 CN CN201110248141.1A patent/CN102305251B/en active Active
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| Publication number | Publication date |
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| CN102305251A (en) | 2012-01-04 |
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Address after: 213000 Longxiang Road, Wujin high tech Development Zone, Changzhou City, Jiangsu Province Patentee after: Jiangsu Nanfang Precision Industry Co.,Ltd. Address before: 213164 No. 9, Longxiang Road, high tech Development Zone, Wujin District, Changzhou City, Jiangsu Province Patentee before: Jiangsu Nanfang Bearing Co.,Ltd. |
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