CN102182749A - Decoupler mandrel capable of preventing force conducted interference and decoupler using the same - Google Patents
Decoupler mandrel capable of preventing force conducted interference and decoupler using the same Download PDFInfo
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- CN102182749A CN102182749A CN2011101006711A CN201110100671A CN102182749A CN 102182749 A CN102182749 A CN 102182749A CN 2011101006711 A CN2011101006711 A CN 2011101006711A CN 201110100671 A CN201110100671 A CN 201110100671A CN 102182749 A CN102182749 A CN 102182749A
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- decoupler
- mandrel
- positioning table
- table terrace
- conduction interference
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Abstract
The invention relates to a decoupler mandrel capable of preventing force conducted interference, comprising a flange part and a shaft body part; the connected end face of the flange part and the shaft body part is composed of a helical surface, a positioning step surface and a plane which are sequentially connected; the positioning step surface is provided with an anti-expansion structure capable of preventing force conducted interference. The invention further relates to a decoupler provided with the decoupler mandrel capable of preventing force conducted interference. By use of the decoupler mandrel capable of preventing force conducted interference, the positioning step surface is obliquely arranged or a groove is arranged on the positioning step surface so that the two ends of a torsion spring cannot be expanded outwards when in work, the force conducted interference can be prevented, the support bearing of the decoupler can be protected, the working efficiency of the decoupler can be ensured and the service life of the support bearing can be prolonged. In the decoupler provided with the mandrel having the anti-expansion structure, the anti-expansion structure can prevent force conducted interference and protect the support bearing, and the anti-expansion structure is simple in structure, convenient to produce and longer in service life, and therefore, the service life of the decoupler is prolonged.
Description
Technical field
The present invention relates to a kind of decoupler mandrel and decoupler thereof, particularly a kind of decoupler mandrel and decoupler thereof of the power of preventing Conduction Interference.
Background technique
The AC generator for vehicle decoupler main effect be: 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.It can filter vibration at high speed, also can filter low speed vibration.Generally, decoupler has belt pulley, mandrel, torsion spring, thrust washer and retainer, mandrel has flange part and axis body portion, the end face that flange part links to each other with axis body portion is made of the helicoid that links to each other successively, positioning table terrace peace face, the outer end points of positioning table terrace is parallel with the positioning table terrace with the line a in the mandrel center of circle, and torsion spring is sleeved on the mandrel.A block bearing is housed between the flange part outer surface of mandrel and decoupler internal surface.Torsion spring extends between retainer and the mandrel flange part, in order to transmitting torque, torsion spring can produce tension in work, then can rise greatly in the torsion spring two ends, thereby the block bearing that the flange part outer surface that has influence on mandrel is equipped with, the life-span of reducing block bearing.
Summary of the invention
The technical problem to be solved in the present invention is: in order to prevent that torsion spring from because of the block bearing that the big flange part outer surface that has influence on mandrel that rises is equipped with, the invention provides a kind of decoupler mandrel and decoupler thereof of the power of preventing Conduction Interference.
The technical solution adopted for the present invention to solve the technical problems is: a kind of decoupler mandrel of the power of preventing Conduction Interference, have flange part and axis body portion, the end face that flange part links to each other with axis body portion is made of the helicoid that links to each other successively, positioning table terrace peace face, and described positioning step mask has an anti-structure that rises that can prevent the power Conduction Interference.
The angle beta of the outer end points that the described anti-structure that rises is the positioning table terrace and the line a in the mandrel center of circle and described positioning table terrace is that the inner headed face radian of 3 °～45 ° and helicoid is less than the periphery radian.
The described anti-structure that rises is that the positioning step mask is fluted.
The angle beta of the outer end points that the described anti-structure that rises is the positioning table terrace and the line a in the mandrel center of circle and described positioning table terrace be the inner headed face radian of 3 °～45 ° and helicoid less than the periphery radian, described positioning step mask is fluted.
As preferably, described angle beta is 30 °, and described groove is a square groove.
A kind of decoupler of decoupler mandrel of the power that the prevents Conduction Interference with above-mentioned anti-structure that rises.
The invention has the beneficial effects as follows, the decoupler mandrel of a kind of power of preventing Conduction Interference of the present invention, make the setting of positioning step face tilt or be provided with groove at the positioning table terrace, in the time of can making torsion spring work outwards do not rise greatly in two ends, thereby prevent the power Conduction Interference, the block bearing that is equipped with between protection flange part outer surface of mandrel and decoupler internal surface has guaranteed the working efficiency of decoupler, the working life of having improved block bearing; A kind of decoupler of the present invention, the mandrel with the anti-structure that rises of band, this anti-structure that rises can prevent power Conduction Interference, protection block bearing, and is simple in structure, is convenient to produce longer service life, thereby the working life of improving decoupler.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation that the present invention prevents the decoupler mandrel of power Conduction Interference.
Fig. 2 is the structural representation that the present invention prevents the decoupler mandrel embodiment 1 of power Conduction Interference.
Fig. 3 is the structural representation that the present invention prevents the decoupler mandrel embodiment 2 of power Conduction Interference.
Fig. 4 is the structural representation that the present invention prevents the decoupler mandrel embodiment 3 of power Conduction Interference.
Fig. 5 is the structural representation of decoupler of the present invention.
Among the figure 1, mandrel, 2, torsion spring, 3, block bearing, 4, retainer, 5, thrust washer, 11, flange part, 12, axis body portion, 13, helicoid, 14, the positioning table terrace, 141, groove, 15, the plane.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic representation of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
Fig. 1 is the structural representation that the present invention prevents the decoupler mandrel of power Conduction Interference, and the present invention prevents the decoupler mandrel of power Conduction Interference, has flange part 11 and axis body portion 12.
Embodiment 1: be illustrated in figure 2 as the left view of Fig. 1, the present invention prevents the decoupler mandrel embodiment's 1 of power Conduction Interference structural representation.The end face that flange part 11 links to each other with axis body portion 12 is made of the helicoid 13, positioning table terrace 14 and the plane 15 that link to each other successively, positioning table terrace 14 has an anti-structure that rises that can prevent the power Conduction Interference, and the angle beta of the outer end points that this anti-structure that rises is a positioning table terrace 14 and the line a in the mandrel center of circle and positioning table terrace 14 is that the inner headed face radian of 30 ° and helicoid 13 is less than the periphery radian.
Embodiment 2: as shown in Figure 3, the present invention prevents the decoupler mandrel embodiment's 2 of power Conduction Interference structural representation.The end face that flange part 11 links to each other with axis body portion 12 is made of the helicoid 13, positioning table terrace 14 and the plane 15 that link to each other successively, positioning table terrace 14 has an anti-structure that rises that can prevent the power Conduction Interference, the structure that should anti-rise is that positioning table terrace 14 has groove 141, and groove 141 is a square groove.
Embodiment 3: as shown in Figure 4, the present invention prevents the decoupler mandrel embodiment's 3 of power Conduction Interference structural representation.The end face that flange part 11 links to each other with axis body portion 12 is made of the helicoid 13, positioning table terrace 14 and the plane 15 that link to each other successively, positioning table terrace 14 has an anti-structure that rises that can prevent the power Conduction Interference, the structure that should anti-rise is that the angle beta of the line a in the outer end points of positioning table terrace 14 and the mandrel center of circle and described positioning table terrace 14 is that the inner headed face radian of 30 ° and helicoid 13 is less than the periphery radian, positioning table terrace 14 has groove 141, and groove 141 is a square groove.
As shown in Figure 5, a kind of decoupler of the present invention has torsion spring 2, retainer 4 and thrust washer 5, and thrust washer 5 is against retainer 4.The decoupler mandrel that also has the anti-structure that rises of the power that the prevents Conduction Interference described in embodiment 1, embodiment 2 or the embodiment 3, torsion spring 2, retainer 4 and thrust washer 5 are sleeved in the axis body portion 12 of mandrel 1, retainer 4 is with respect to mandrel 1 no axial displacement but can relatively rotate, thrust washer 5 is with respect to mandrel 1 no axial displacement and relatively rotate, between flange part 11 outer surfaces of mandrel 1 and decoupler internal surface a block bearing 3 is housed, torsion spring 2 extends between retainer 4 and the mandrel flange part 11, in order to transmitting torque.
With above-mentioned foundation desirable embodiment of the present invention is enlightenment, and by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.The technical scope of this invention is not limited to the content on the specification, must determine its technical scope according to the claim scope.
Claims (7)
1. decoupler mandrel that prevents the power Conduction Interference, have flange part (11) and axis body portion (12), the end face that flange part (11) links to each other with axis body portion (12) is by the helicoid (13) that links to each other successively, positioning table terrace (14) and plane (15) formation, and it is characterized in that: described positioning table terrace (14) has an anti-structure that rises that can prevent the power Conduction Interference.
2. the decoupler mandrel of the power of preventing Conduction Interference as claimed in claim 1 is characterized in that: the angle beta of the outer end points that the described anti-structure that rises is a positioning table terrace (14) and the line a in the mandrel center of circle and described positioning table terrace (14) is that the inner headed face radian of 3 °～45 ° and helicoid (13) is less than the periphery radian.
3. one-way belt sheave mandrel as claimed in claim 1 is characterized in that: the described anti-structure that rises is that positioning table terrace (14) has groove (141).
4. the decoupler mandrel of the power of preventing Conduction Interference as claimed in claim 1, it is characterized in that: the angle beta of the outer end points that the described anti-structure that rises is a positioning table terrace (14) and the line a in the mandrel center of circle and described positioning table terrace (14) be the inner headed face radian of 3 °～45 ° and helicoid (13) less than the periphery radian, described positioning table terrace (14) has groove (141).
5. as the decoupler mandrel of claim 2 or the 4 described power of preventing Conduction Interference, it is characterized in that: described angle beta is 30 °.
6. as the decoupler mandrel of claim 3 or the 4 described power of preventing Conduction Interference, it is characterized in that: described groove (141) is a square groove.
7. a decoupler is characterized in that: have the decoupler mandrel as any described power of preventing Conduction Interference in the claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101006711A CN102182749A (en) | 2011-04-21 | 2011-04-21 | Decoupler mandrel capable of preventing force conducted interference and decoupler using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101006711A CN102182749A (en) | 2011-04-21 | 2011-04-21 | Decoupler mandrel capable of preventing force conducted interference and decoupler using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102182749A true CN102182749A (en) | 2011-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101006711A Pending CN102182749A (en) | 2011-04-21 | 2011-04-21 | Decoupler mandrel capable of preventing force conducted interference and decoupler using the same |
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| CN (1) | CN102182749A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6083130A (en) * | 1997-05-07 | 2000-07-04 | Litens Automotive Partnership | Serpentine drive system with improved over-running alternator decoupler |
| CN1945040A (en) * | 2005-10-05 | 2007-04-11 | Ntn株式会社 | Torque restrictor |
| WO2010041597A1 (en) * | 2008-10-08 | 2010-04-15 | Ntn株式会社 | Torque limiter |
| CN101936348A (en) * | 2010-09-07 | 2011-01-05 | 江苏南方轴承股份有限公司 | Belt pulley of over-travel alternating current generator decoupler |
| CN101936377A (en) * | 2010-09-07 | 2011-01-05 | 江苏南方轴承股份有限公司 | One-way belt pulley |
| CN101936378A (en) * | 2010-09-07 | 2011-01-05 | 江苏南方轴承股份有限公司 | Unidirectional pulley for AC generator |
| CN202091337U (en) * | 2011-04-21 | 2011-12-28 | 江苏南方轴承股份有限公司 | Decoupling appliance core shaft capable of preventing force transmission interference and decoupling appliance of same |
-
2011
- 2011-04-21 CN CN2011101006711A patent/CN102182749A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6083130A (en) * | 1997-05-07 | 2000-07-04 | Litens Automotive Partnership | Serpentine drive system with improved over-running alternator decoupler |
| CN1945040A (en) * | 2005-10-05 | 2007-04-11 | Ntn株式会社 | Torque restrictor |
| WO2010041597A1 (en) * | 2008-10-08 | 2010-04-15 | Ntn株式会社 | Torque limiter |
| CN101936348A (en) * | 2010-09-07 | 2011-01-05 | 江苏南方轴承股份有限公司 | Belt pulley of over-travel alternating current generator decoupler |
| CN101936377A (en) * | 2010-09-07 | 2011-01-05 | 江苏南方轴承股份有限公司 | One-way belt pulley |
| CN101936378A (en) * | 2010-09-07 | 2011-01-05 | 江苏南方轴承股份有限公司 | Unidirectional pulley for AC generator |
| CN202091337U (en) * | 2011-04-21 | 2011-12-28 | 江苏南方轴承股份有限公司 | Decoupling appliance core shaft capable of preventing force transmission interference and decoupling appliance of same |
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Application publication date: 20110914 |