CN201779209U - Torsional damper and clutch cover assembly containing torsional damper - Google Patents
Torsional damper and clutch cover assembly containing torsional damper Download PDFInfo
- Publication number
- CN201779209U CN201779209U CN2010202496916U CN201020249691U CN201779209U CN 201779209 U CN201779209 U CN 201779209U CN 2010202496916 U CN2010202496916 U CN 2010202496916U CN 201020249691 U CN201020249691 U CN 201020249691U CN 201779209 U CN201779209 U CN 201779209U
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- Prior art keywords
- cover plate
- spring
- vibration damper
- torsional vibration
- shock
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Abstract
The utility model discloses a torsional damper which comprises a first cover plate, a second cover plate, a plurality of damping springs and a plurality of spring fixing seats, wherein the first cover plate is provided with a spring groove used for containing the damping springs, the damping springs are arranged in the spring groove, the spring fixing seats are respectively installed at both ends of each damping spring, and the first cover plate and the second cover plate are torsionally connected with the damping springs through the spring fixing seats. The utility model also provides a clutch cover assembly containing the torsional damper. In the torsional damper and the clutch cover assembly containing the torsional damper, because the two cover plates are only arranged, and the power is transferred between the first cover plate and the second cover plate through the plurality of spring fixing seats and the plurality of damping springs, the structure of the torsional damper is simple and impact.
Description
Technical field
The utility model relates to a kind of torsional vibration damper and comprises the clutch cover and plate assembly of this torsional vibration damper.
Background technique
At present, extensively adopt four-stroke internal combustion engine as power source on automobile or the hybrid vehicle, and cooperate transmission system to come the powered vehicle operation, internal-combustion engine is the cycle variation to the torque of vehicle drive system, and this just makes and produces torsional vibration in the transmission system.If the self-excited oscillation frequency of the frequency of this vibration and transmission system coincides, just resonate, life-span of transmission system component is had a significant impact.
What extensively adopt in the vehicle internal combustion engine crankshaft system is to improve engine performance and life-span vibration and vibration noise on the minimizing bent axle all directions at the crankshaft front end mounting dampers for this reason.As shown in Figure 6, prior art provides a kind of torsional vibration damper, comprising: a side inner panel 2202 that links to each other with reverse plate 2206 with inner washer 2204.Side inner panel 2202 can be fixed on by the mode of welding, riveted joint or screw on certain part of clutch cover, and is reliable with the attachment security of clutch cover to guarantee torsional vibration damper 1810.
This relative rotation can make reverse plate 2206 and clutch cover form a deflection angle, and the maximum value of deflection angle is approximately the length decision of the curve bath 2234 of groove 2220 by the length decision of the straight-line groove 2230 of the groove on the side inner panel 2,202 2220.
This torsional vibration damper is provided with side inner panel 2202, reverse plate 1106 and outer panel 2212, between the groove 2220 of reverse plate 2206 and side inner panel 2202, be provided with spring 2208, so the total more complicated, and the windup-degree of whole torsional vibration damper is subject to the length of the straight-line groove 2230 of the groove 2220 on the side inner panel 2202.
The model utility content
The utility model is for solving the baroque technical problem of torsional vibration damper in the prior art, a kind of torsional vibration damper simple in structure is provided and comprises the clutch cover and plate assembly of this torsional vibration damper.
The utility model provides a kind of torsional vibration damper on the one hand, wherein, described torsional vibration damper comprises first cover plate, second cover plate, a plurality of shock-absorbing spring and a plurality of spring fixed seat, described first cover plate is provided with the spring groove that holds described shock-absorbing spring, shock-absorbing spring is arranged in spring groove, the two ends of shock-absorbing spring are separately installed with spring fixed seat, and described first cover plate reverses with shock-absorbing spring by described spring fixed seat with second cover plate and is connected.
Further, the outer periphery of described first cover plate has a plurality of first flangings and second flanging, also be provided with a plurality of first baffle plates and second baffle on described first cover plate, first flanging and first baffle plate constitute described spring groove, and the circumferential both sides of second flanging and second baffle all contact with spring fixed seat.
The periphery of described second cover plate is provided with a plurality of edges, the circumferential both sides of described edge are provided with projection, described spring fixed seat is provided with groove, the projection of described edge both sides snaps in respectively in the groove of two spring fixed seats, and described two spring fixed seats are between two adjacent shock-absorbing springs.
Described groove is positioned at the center of described spring fixed seat bottom, and described edge is installed between described second flanging and the second baffle.
Described spring groove is curved.
Described first flanging, second flanging, first baffle plate and second baffle are all one-body molded with first cover plate, and described edge and described second cover plate are one-body molded.
Also be set with the secondary shock-absorbing spring in the described shock-absorbing spring.
The central position of described first cover plate or second cover plate is provided with spline.
The utility model also provides a kind of clutch cover and plate assembly on the other hand, and wherein, described clutch cover and plate assembly comprises clutch cover and above-mentioned torsional vibration damper, and described torsional vibration damper is fixed on the described clutch cover.
Described first cover plate or second cover plate and the riveted joint of described clutch cover.
Torsional vibration damper of the present utility model and comprise the clutch cover and plate assembly of this torsional vibration damper, owing to only be provided with between two cover plates and first cover plate and second cover plate by a plurality of spring fixed seats and shock-absorbing spring transferring power, so this torsional vibration damper is simple in structure, compact.
Description of drawings
Fig. 1 is the phantom of a kind of mode of execution of the torsional vibration damper that provides of the utility model;
Fig. 2 is that the A-A of Fig. 1 is to view;
Fig. 3 is a kind of schematic representation of mode of execution of first cover plate of the torsional vibration damper that provides of the utility model;
Fig. 4 is a kind of schematic representation of mode of execution of second cover plate of the torsional vibration damper that provides of the utility model;
Fig. 5 is the sectional view of a kind of mode of execution of the clutch cover and plate assembly that provides of the utility model;
Fig. 6 is the decomposing schematic representation of a kind of torsional vibration damper of providing of prior art.
Embodiment
Clearer for technical problem, technological scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
According to a kind of mode of execution of the present utility model, shown in Fig. 1-5, a kind of torsional vibration damper, wherein, this torsional vibration damper comprises that first cover plate 1, second cover plate 2, a plurality of shock-absorbing spring 3 and a plurality of spring fixed seat 5, the first cover plates 1 are provided with the spring groove 16 that holds shock-absorbing spring 3, and shock-absorbing spring 3 is arranged in spring groove 16, the two ends of shock-absorbing spring 3 are separately installed with spring fixed seat 5, the first cover plates 1 and reverse with shock-absorbing spring 3 by spring fixed seat 5 with second cover plate 2 and be connected.
Reverse to connect and be meant, when first cover plate 1 rotates, when first cover plate 1 can drive 2 rotations of second cover plate or 2 rotations of second cover plate by spring fixed seat 5 and shock-absorbing spring 3, second cover plate 2 can drive first cover plate 1 by spring fixed seat 5 and shock-absorbing spring 3 and rotate.
According to a kind of mode of execution of the present utility model, further, as shown in Figures 2 and 3, the outer periphery of first cover plate 1 has a plurality of first flangings 11 and second flanging 12, also be provided with a plurality of first baffle plates 13 and second baffle 14 on first cover plate 1, the circumferential both sides that first flanging 11 and first baffle plate 13 constitute spring groove 16, the second flangings 12 and second baffle 14 all contact with spring fixed seat 5.
For the ease of being connected with other mechanism, the center portion of first cover plate 1 can be a hollow.
First flanging 11 and/or second flanging 12 can be connected and fixed by the multiple suitable manner and first cover plate 1, can be independent structures as first flanging 11 and second flanging 12, link together with first cover plate 1 by welding or riveted joint etc.
For simplified structure, optimize and install, preferably, first flanging 11 and second flanging 12 are all one-body molded with first cover plate 1.Can curve inwardly as the outer periphery of first cover plate 1 and to form first flanging 11 and second flanging 12.
For the ease of transferring power, second flanging, 12 to the first flangings 11 are crooked more, thereby promptly second flanging 12 understands that some bending exceeds first flanging 11 so that contact the transmission of realization power with spring fixed seat 5.
For simplified structure, optimize and install, preferably, first baffle plate 13 and second baffle 14 are all one-body molded with first cover plate 1.As being bent to form a plurality of vertical plates on first cover plate 1, these vertical plates promptly constitute first baffle plate 13 and second baffle 14.
First flanging 11 and first baffle plate 13 constitute spring groove 16, shock-absorbing spring 3 is placed in the spring groove 16, because first flanging 11 has the arc flanging, under the acting in conjunction of first flanging 11 and first baffle plate 13, shock-absorbing spring 3 is limited in the spring groove 16 and can eject spring groove 16.
Because first flanging 11 is the outer periphery of first cover plate 1 to curve inwardly and forms, therefore first flanging 11 constitutes arcuate structure, in order to prevent that first baffle plate 13 from hindering the compressive strain of shock-absorbing spring 3, the axial length of first baffle plate 13 is shorter, ejects spring groove 16 as long as can prevent shock-absorbing spring 3.Whole like this spring groove 16 curved or approximate arcs.
According to a kind of mode of execution of the present utility model, as shown in Figure 1 and Figure 4, the periphery of second cover plate 2 is provided with a plurality of edges 21, the circumferential both sides of edge 21 are provided with projection 22, spring fixed seat 5 is provided with groove 51, the projection 22 of edge 21 both sides snaps in respectively in the groove 51 of two spring fixed seats 5, and two spring fixed seats 5 are between two adjacent shock-absorbing springs 3.
For the ease of being connected with other mechanism, the center portion of second cover plate 2 can be hollow structure.
Edge 21 can be connected and fixed by the various suitable manner and second cover plate 2, can be independently vertical plate or arc plate as edge 21, is fixed together by the mode such as welding or riveted joint and second cover plate 2.
For simplified structure, preferably, the edge 21 and second cover plate 2 are one-body molded.Curve inwardly as the outer periphery of second cover plate 2 and to form edge 21.
Also be respectively arranged with projection 22 on edge 21 both sides along the circumferential direction, this projection 22 can be connected and fixed by various suitable manner and edge 21, and preferably, projection 22 is one-body molded with edge 21.
Because first flanging 11, second flanging 12, first baffle plate 13 and second baffle 14 are all one-body molded with first cover plate, therefore can help enhancing productivity by the punching press once-through, reduce cost.
The spring groove 16 that first flanging 11, second flanging 12, first baffle plate 13 and second baffle 14 and first flanging 11 and first baffle plate 13 form all along the circumferential direction evenly distributes, so that transferring power stably.Similarly, a plurality of edges 21 also evenly distribute along the circumferencial direction of second cover plate 2.
One end of spring fixed seat 5 is used to install and fix shock-absorbing spring 3, spring fixed seat 5 can be provided with projection so that shock-absorbing spring 3 is installed, can projection be set yet and only contact, as clamping a shock-absorbing spring 3 between two spring fixed seats 5 with shock-absorbing spring 3.The other end of spring fixed seat 5 is provided with groove 51, and this groove 51 is arranged on the central position of spring fixed seat 5 the other ends so that transferring power stably.
For transferring power more stably, edge 21 is installed between second flanging 12 and the second baffle 14, like this spring fixed seat 5 under the effect of second flanging 12 and second baffle 14 more stably transferring power and can not occurring have only a side stressed and cause the phenomenon of shock-absorbing spring 3 stressed ejection spring grooves 16.
Shock-absorbing spring 3 can be the various suitable springs that play damping effect, and those skilled in the art can make suitable selection as required.
Further, the profile of shock-absorbing spring 3 is the same with the profile of spring groove 16, curved as spring groove 16, shock-absorbing spring 3 is also curved, like this, can increase the length of spring under identical moment of torsion, reduce the rigidity of spring, make torsional vibration damper soft more, help strengthening the effectiveness in vibration suppression of torsional vibration damper, help reducing vibrating noise.
Those skilled in the art can reasonably select the number of shock-absorbing spring 3 as required, and generally speaking, the number of shock-absorbing spring 3 should be no less than two, as 6 or 8 shock-absorbing springs 3 can be set.
In order to improve the effectiveness in vibration suppression of this torsional vibration damper, in shock-absorbing spring 3, also be set with secondary shock-absorbing spring 4.As required, thus the shock-absorbing spring that those skilled in the art can the suit multilayer be littler in shock-absorbing spring 3 is realized secondary vibration damping or multistage vibration damping.
Be not fixedly coupled structure between first cover plate 1 of the present utility model and second cover plate 2, two grooves 51 on the spring fixed seat 5 realize connecting but snap in by the projection 22 with edge 21 both sides of second cover plate 2, first cover plate 1 and second cover plate 2 keep rigging position and transferring power by the elastic force of shock-absorbing spring 3, second cover plate 2 is suspended on first cover plate 1, so just make that the angle of swing of second cover plate 2 is unrestricted, help increasing the windup-degree of torque absorber, further improve the effectiveness in vibration suppression of torsional vibration damper.
The windup-degree of the torsional vibration damper of prior art as shown in Figure 6 is subject to the length of the straight-line groove 2230 of the groove 2220 on the side inner panel 2202, in order to increase its windup-degree, will increase the length of straight-line groove 2230, but so just might reduce the intensity of side inner panel 2202, so the windup-degree of this torsional vibration damper is more limited.
And first cover plate 1 of torsional vibration damper of the present utility model and asking of second cover plate 2 are not fixedly coupled structure, can increase the windup-degree of torsional vibration damper and can not be subjected to first cover plate 1 and the restriction of second cover plate, 2 intensity by the length (arc length) that prolongs first flanging 11 and first baffle plate 13.
According to a kind of mode of execution of the present utility model, as shown in Figure 5, the utility model also provides a kind of clutch cover and plate assembly on the other hand, wherein, this clutch cover and plate assembly comprises clutch cover 7 and above-mentioned torsional vibration damper, and torsional vibration damper is fixed on the clutch cover 7.
Torsional vibration damper can be fixedlyed connected with clutch cover 7 by various suitable manner, as passing through welding, riveted joint etc.
Because welding is had relatively high expectations to cover plate materials, and is low as the hardness of welding requirements cover plate materials; And the compression return of shock-absorbing spring 3 etc. can cause wearing and tearing, so the flexible friction of shock-absorbing spring 3 requires the hardness height of cover plate materials.Therefore adopt welding to constitute the contradiction that cover plate materials is required with the use of shock-absorbing spring 3, Han Jie quality also be cannot say for sure to demonstrate,prove simultaneously, and the utility model is realized torsional vibration damper and the problem that just can effectively avoid being connected of clutch cover 7 adopting welding to bring by riveted joint, first cover plate 1 and second cover plate 2 just can adopt the material of higher hardness when adopting riveted joint simultaneously, so help improving the working life of clutch cover and plate assembly.
Torsional vibration damper of the present utility model and comprise the clutch cover and plate assembly of this torsional vibration damper, owing to only be provided with between two cover plates and first cover plate 1 and second cover plate 2 by a plurality of spring fixed seats 5 and shock-absorbing spring 3 transferring power, so this torsional vibration damper is simple in structure, compact.
Torsional vibration damper of the present utility model and comprise the clutch cover and plate assembly of this torsional vibration damper owing to adopt arc spring groove 16, can be done the rigidity of shock-absorbing spring 3 little; Can improve simultaneously the hardness and the wear resistance of first cover plate 1 and second cover plate 2, increase the service life; Other second cover plate 2 directly is buckled on the spring fixed seat 5 that is installed on first cover plate 1, assembles simple and conveniently, and the relative rotation angle of second cover plate 2 and first cover plate 1 is unrestricted, can increase windup-degree, improves damping property; And first between cover plate 1 and second cover plate 2 by a plurality of spring fixed seats 5 and shock-absorbing spring 3 transferring power, so compactness relatively simple for structure.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. torsional vibration damper, it is characterized in that, described torsional vibration damper comprises first cover plate, second cover plate, a plurality of shock-absorbing spring and a plurality of spring fixed seat, described first cover plate is provided with the spring groove that holds described shock-absorbing spring, shock-absorbing spring is arranged in spring groove, the two ends of shock-absorbing spring are separately installed with spring fixed seat, and described first cover plate reverses with shock-absorbing spring by described spring fixed seat with second cover plate and is connected.
2. torsional vibration damper as claimed in claim 1, it is characterized in that, the outer periphery of described first cover plate has a plurality of first flangings and second flanging, also be provided with a plurality of first baffle plates and second baffle on described first cover plate, first flanging and first baffle plate constitute described spring groove, and the circumferential both sides of second flanging and second baffle all contact with spring fixed seat.
3. torsional vibration damper as claimed in claim 2, it is characterized in that, the periphery of described second cover plate is provided with a plurality of edges, the circumferential both sides of described edge are provided with projection, described spring fixed seat is provided with groove, the projection of described edge both sides snaps in respectively in the groove of two spring fixed seats, and described two spring fixed seats are between two adjacent shock-absorbing springs.
4. torsional vibration damper as claimed in claim 3 is characterized in that, described groove is positioned at the center of described spring fixed seat bottom, and described edge is installed between described second flanging and the second baffle.
5. torsional vibration damper as claimed in claim 2 is characterized in that described spring groove is curved.
6. torsional vibration damper as claimed in claim 3 is characterized in that, described first flanging, second flanging, first baffle plate and second baffle are all one-body molded with first cover plate, and described edge and described second cover plate are one-body molded.
7. torsional vibration damper as claimed in claim 1 is characterized in that, also is set with the secondary shock-absorbing spring in the described shock-absorbing spring.
8. torsional vibration damper as claimed in claim 1 is characterized in that, the central position of described first cover plate or second cover plate is provided with spline.
9. a clutch cover and plate assembly is characterized in that, described clutch cover and plate assembly comprises any described torsional vibration damper among clutch cover and the claim 1-8, and described torsional vibration damper is fixed on the described clutch cover.
10. clutch cover and plate assembly as claimed in claim 9 is characterized in that, described first cover plate or second cover plate and the riveted joint of described clutch cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202496916U CN201779209U (en) | 2010-06-30 | 2010-06-30 | Torsional damper and clutch cover assembly containing torsional damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202496916U CN201779209U (en) | 2010-06-30 | 2010-06-30 | Torsional damper and clutch cover assembly containing torsional damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201779209U true CN201779209U (en) | 2011-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202496916U Expired - Lifetime CN201779209U (en) | 2010-06-30 | 2010-06-30 | Torsional damper and clutch cover assembly containing torsional damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201779209U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297211A (en) * | 2011-07-22 | 2011-12-28 | 浙江铁流离合器股份有限公司 | Double-shock absorbing clutch assembly |
| CN106369106A (en) * | 2015-07-23 | 2017-02-01 | 通用汽车环球科技运作有限责任公司 | High performance torsional vibration damper |
-
2010
- 2010-06-30 CN CN2010202496916U patent/CN201779209U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297211A (en) * | 2011-07-22 | 2011-12-28 | 浙江铁流离合器股份有限公司 | Double-shock absorbing clutch assembly |
| CN106369106A (en) * | 2015-07-23 | 2017-02-01 | 通用汽车环球科技运作有限责任公司 | High performance torsional vibration damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110330 |
|
| CX01 | Expiry of patent term |