CN202176694U - Composite cage used for decoupler pulley and decoupler pulley - Google Patents
Composite cage used for decoupler pulley and decoupler pulley Download PDFInfo
- Publication number
- CN202176694U CN202176694U CN2011203113709U CN201120311370U CN202176694U CN 202176694 U CN202176694 U CN 202176694U CN 2011203113709 U CN2011203113709 U CN 2011203113709U CN 201120311370 U CN201120311370 U CN 201120311370U CN 202176694 U CN202176694 U CN 202176694U
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- CN
- China
- Prior art keywords
- mounting part
- decoupler
- belt pulley
- mandrel
- plastic mounting
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a composite cage used for a decoupler pulley and the decoupler pulley, which are assembled on a mandrel for arranging a torque spring and a friction spring. The composite cage used for a decoupler pulley includes a plastic assembling member and a metal pad playing a reinforcement effect. The plastic assembling member approximately shows a circular ring shape; the plastic assembling member possesses an assembling end and a reinforcement end; the assembling end of the plastic assembling member is used for assembling the torque spring and the friction spring; and the metal pad with the shape coupling to the plastic assembling member is arranged at the reinforcement end of the plastic assembling member. In the composite cage used for a decoupler pulley provided in the utility model, the structure is simple, the manufacture is easy, the composition of the metal pad and the plastic assembling member is applied, the molding technology of the metal pad is simple, the plastic assembling member is formed by injection, the technology is simple, the integral manufacture cost is low, and the strength is high. In the decoupler pulley employing the composite cage provided in the utility model, the structure is simple, the manufacture is low, the strength is high, and the assembling is reliable.
Description
Technical field
The utility model relates to decoupler belt pulley technical field, especially a kind of composite holder and decoupler belt pulley thereof that is used for the decoupler belt pulley.
Background technique
Alternator comes from Germany with the decoupler belt pulley, and American-European in the world at present car is, Japan and Korea S car system uses more.Generator decoupler belt pulley has OAP/OAD/OWC etc. according to the structure difference, and the producer that produces this belt pulley in the world is main with INA, Leiden, Gates, NSK, NTN, KOYO etc.Alternator with the main effect of decoupler belt pulley is: 1, reduce the fluctuation of front end train tension force, improve each part life of front end train; 2, reduce the fluctuation of speed of front end train, reduce the noise of front end train; 3, avoid reverse impact, effectively protect generator; 4, reduce the energy consumption that the generator counter-rotating causes, energy saving.
The vital part of the unidirectional rotation of realization in the decoupler belt pulley assembly is an overrunning clutch; Overrunning clutch is sleeved between the belt pulley and mandrel of decoupler belt pulley assembly, and overrunning clutch comprises torsion spring, friction spring, thrust washer and retainer, and torsion spring is sleeved on the mandrel; Friction spring comprises kink and spring coil; Retainer has the groove that matches with kink, and the kink of friction spring is inlaid in the groove of retainer, and the torsion spring outer ring is set with the plastics spacer; Have ten axial elongated slots of the resonance that circumferentially is uniformly distributed with, produce when being used to eliminate belt pulley work on the plastics spacer, friction spring is wound on the plastics spacer.Disclosing a kind of retainer like one Chinese patent application 201010273852.X is iron retainer, and this iron retainer fabricating cost is higher, add also need carry out machining after adopting man-hour cast steel technology to accomplish the blank material, and the effort of taking a lot of work, processing cost is higher.Disclosing a kind of retainer like one Chinese patent application numbers 201010273861.9 is plastic cage, replaces iron with plastics, easy to process though fabricating cost is low, insufficient strength, and working life is lower.
The model utility content
The technical problem that the utility model will solve is: for deficiency of the prior art, the utility model provides a kind of composite holder that is used for the decoupler belt pulley, adopts plastics and iron compound production retainer to realize being prone to processing; Cost is low; The purpose that intensity is high, a kind of decoupler belt pulley of the utility model adopts composite holder; Simple in structure, intensity is high.
The utility model solves the technological scheme that its technical problem adopted: a kind of composite holder that is used for the decoupler belt pulley; Be assemblied in and be used for mounting torque spring and friction spring on the mandrel; Comprise plastic mounting part and the metallic shim that plays reinforing function; Described plastic mounting part is ring substantially; The plastic mounting part has mounting end and strengthens end, and 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; Described plastic mounting part is installed has the draw-in groove that the kink with friction spring matches on the end face of friction spring; The end face of plastic mounting part mounting torque spring is made up of helicoid and one section plane of matching with the torsion spring end; Helicoid peace face intersection has a positioning step; Have stamping forming step to plastic mounting part one side convexity on the described metallic shim, described step is positioned at and the corresponding position of positioning step, and step exceeds the plane and flushes with the side of positioning step.
For making the assembling of retainer and mandrel reliable, have three on the inner headed face of described metallic shim and cooperate the projection that is used to locate with mandrel, the width of three projections is inequality.
More reliable for metallic shim is combined with the plastic mounting part, offer the perforate that at least one is used to strengthen adhesive strength on the described metallic shim, the plastic mounting part has and the corresponding protuberance of perforate.Perforate cooperates with protuberance increases adhesive strength.
As preferably, offer three perforates on the described metallic shim, the plastic mounting part has and corresponding three protuberances of metallic shim.
A kind of decoupler belt pulley that adopts above-mentioned composite holder; Comprise mandrel, with the belt pulley of the coaxial setting of mandrel; Overrunning clutch, preceding block bearing and rear trunnion are installed between belt pulley and the mandrel to be held; It is characterized in that: described overrunning clutch comprises composite holder, is installed in torsion spring and friction spring on the composite holder, and described composite holder is fixedly set on the mandrel, has on the mandrel and three corresponding grooves of projection of composite holder.
The beneficial effect of the utility model is that the composite holder that is used for the decoupler belt pulley of the utility model is simple in structure, is easy to make; Adopt metallic shim and plastic mounting part to be composited; The metallic shim moulding process is simple, plastic mounting part injection molded, and technology is simple; The integral manufacturing cost is lower, and intensity is higher.A kind of decoupler belt pulley that adopts composite holder of the utility model, simple in structure, low cost of manufacture,, intensity is high, and assembling is reliable.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the main TV structure schematic representation of the composite holder most preferred embodiment that is used for the decoupler belt pulley of the utility model;
Fig. 2 is the backsight structural representation of the composite holder most preferred embodiment that is used for the decoupler belt pulley of the utility model;
Fig. 3 is the left TV structure schematic representation of the composite holder most preferred embodiment that is used for the decoupler belt pulley of the utility model;
Fig. 4 is the structural representation of the decoupler belt pulley most preferred embodiment of the utility model.
Among the figure: 1. plastic mounting part, the 1-1. draw-in groove, the 1-2. helicoid, the 1-3. plane, 2. metallic shim, the 2-1. perforate, the 2-2. projection, the 2-3. step, 3. mandrel, 4. belt pulley, 5. before block bearing, 6. rear trunnion holds, 7. torsion spring, 8. friction spring.
Embodiment
Combine accompanying drawing that the utility model is done further detailed explanation now.These accompanying drawings are the schematic representation of simplification, the basic structure of the utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
Fig. 1～3rd, the utility model are used for the most preferred embodiment of the composite holder of decoupler belt pulley; Comprise plastic mounting part 1 and the metallic shim 2 that plays reinforing function; Plastic mounting part 1 is ring substantially; Plastic mounting part 1 has mounting end and strengthens end, and 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 the suitable metallic shim 2 of shape and plastic mounting part 1.Plastic mounting part 1 and metallic shim 2 are compounded to form the composite holder of the utility model; Plastic mounting part 1 can form through injection-moulded plastic assembling set on metallic shim 21 with metallic shim 2; Be bonded to one after also can completing separately, guarantee that the surface of contact of 2 of plastic mounting part 1 and metallic shims is fixed.
For making mandrel 3 and axially rotation synchronously of retainer; Mandrel 3 is realized through projection 2-2 and groove mating reaction with retainer; For avoiding loading error to improve precision, the width of three grooves offering on the mandrel 3 is inequality, for matching with mandrel 3; Have three on the inner headed face of metallic shim 2 and cooperate the projection 2-2 that is used to locate with mandrel 3, the width of three projection 2-2 is inequality.
Offer the perforate 2-1 that at least one is used to strengthen adhesive strength on the metallic shim 2, plastic mounting part 1 has the corresponding protuberance with perforate 2-1.
As preferably, offer three perforate 2-1 on the metallic shim 2, plastic mounting part 1 has and metallic shim 2 corresponding three protuberances.Have on the metallic shim 2 to the protruding step 2-3 of plastic mounting part 1 one sides.
Shown in Figure 4; The utility model the most preferred embodiment of decoupler belt pulley; Comprise mandrel 3, with the belt pulley 4 of mandrel 3 coaxial settings, overrunning clutch, preceding block bearing 5 and rear trunnion are installed between belt pulley 4 and the mandrel 3 are held 6, overrunning clutch comprises composite holder, is installed in torsion spring 7 and friction spring 8 on the composite holder; Composite holder is fixedly set on the mandrel 3, has three corresponding grooves of projection 2-2 with composite holder on the mandrel 3.
With above-mentioned desirable embodiment according to the utility model is enlightenment, and through above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this model utility technological thought.The technical scope of this model utility is not limited to the content on the specification, must confirm its technical scope according to the claim scope.
Claims (6)
1. composite holder that is used for the decoupler belt pulley; Be assemblied in and be used for mounting torque spring (7) and friction spring (8) on the mandrel (3); It is characterized in that: the metallic shim (2) that comprises a 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, and 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).
2. the composite holder that is used for the decoupler belt pulley as claimed in claim 1; It is characterized in that: described plastic mounting part (1) is installed has the draw-in groove (1-1) that the kink with friction spring (8) matches on the end face 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 plane (1-3) that match with torsion spring (7) end; Helicoid (1-2) and plane (1-3) intersection have a positioning step; Have stamping forming on the described metallic shim (2) to the protruding step (2-3) of plastic mounting part (1) one side; Described 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.
3. the composite holder that is used for the decoupler belt pulley as claimed in claim 1 is characterized in that: have three on the inner headed face of described metallic shim (2) and cooperate the projection (2-2) that is used to locate with mandrel (3), the width of three projections (2-2) is inequality.
4. like claim 1 or the 3 described composite holders that are used for the decoupler belt pulley; It is characterized in that: offer at least one perforate that is used to strengthen adhesive strength (2-1) on the described metallic shim (2), plastic mounting part (1) has and the corresponding protuberance of perforate (2-1).
5. the composite holder that is used for the decoupler belt pulley as claimed in claim 4 is characterized in that: offer three perforates (2-1) on the described metallic shim (2), plastic mounting part (1) has and corresponding three protuberances of metallic shim (2).
6. decoupler belt pulley that adopts the described composite holder of claim 1; Comprise mandrel (3), with the belt pulley (4) of the coaxial setting of mandrel (3); Overrunning clutch, preceding block bearing (5) and rear trunnion are installed between belt pulley (4) and the mandrel (3) are held (6); It is characterized in that: described overrunning clutch comprises composite holder, is installed in torsion spring (7) and friction spring (8) on the composite holder; Described composite holder is fixedly set on the mandrel (3), has the corresponding groove of three projections (2-2) with composite holder on the mandrel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203113709U CN202176694U (en) | 2011-08-25 | 2011-08-25 | Composite cage used for decoupler pulley and decoupler pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203113709U CN202176694U (en) | 2011-08-25 | 2011-08-25 | Composite cage used for decoupler pulley and decoupler pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202176694U true CN202176694U (en) | 2012-03-28 |
Family
ID=45866573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203113709U Withdrawn - After Issue CN202176694U (en) | 2011-08-25 | 2011-08-25 | Composite cage used for decoupler pulley and decoupler pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202176694U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305251A (en) * | 2011-08-25 | 2012-01-04 | 江苏南方轴承股份有限公司 | Composite retainer for decoupler pulley and decoupler pulley |
| CN103925304A (en) * | 2014-04-23 | 2014-07-16 | 刘增岗 | One-way clutch decoupling device used for transmitting torque between belt wheel and shaft |
| CN108368921A (en) * | 2015-12-08 | 2018-08-03 | 舍弗勒技术股份两合公司 | Belt pulley decoupler |
-
2011
- 2011-08-25 CN CN2011203113709U patent/CN202176694U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305251A (en) * | 2011-08-25 | 2012-01-04 | 江苏南方轴承股份有限公司 | Composite retainer for decoupler pulley and decoupler pulley |
| CN103925304A (en) * | 2014-04-23 | 2014-07-16 | 刘增岗 | One-way clutch decoupling device used for transmitting torque between belt wheel and shaft |
| CN108368921A (en) * | 2015-12-08 | 2018-08-03 | 舍弗勒技术股份两合公司 | Belt pulley decoupler |
| CN108368921B (en) * | 2015-12-08 | 2024-04-09 | 舍弗勒投资(中国)有限公司 | Belt pulley decoupler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120328 Effective date of abandoning: 20140723 |
|
| RGAV | Abandon patent right to avoid regrant |