CN204200950U - A kind of car transmissions torsional vibration damper - Google Patents
A kind of car transmissions torsional vibration damper Download PDFInfo
- Publication number
- CN204200950U CN204200950U CN201420567434.5U CN201420567434U CN204200950U CN 204200950 U CN204200950 U CN 204200950U CN 201420567434 U CN201420567434 U CN 201420567434U CN 204200950 U CN204200950 U CN 204200950U
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- CN
- China
- Prior art keywords
- mounting blocks
- mass block
- torsional vibration
- vibration damper
- car transmissions
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Abstract
The utility model relates to a kind of vibration damper, in particular to a kind of car transmissions torsional vibration damper, comprise the mass block of the ring of outer ring and the mounting blocks in mass block inside, described mounting blocks is cavity body structure, its cross section is square, four angles of described mounting blocks are fillet, and described fillet is identical with the described mass block center of circle; Link together with being connected rubber between described mass block and the mounting blocks of inner ring.The working life of the car transmissions torsional vibration damper that the utility model provides improves greatly, improves transmission shaft torsional wave emotionally condition simultaneously, lowers vibrating noise, reduces vehicle maintenance user cost, improves the satisfaction of user to automobile.
Description
Technical field
The utility model relates to a kind of vibration damper, particularly a kind of car transmissions torsional vibration damper.
Background technique
Drive to be easy to occur that the excitation that transmission shaft and motor transmit is resonated at present, or transmission shaft output torque fluctuates and the factor such as transmission shaft layout and cause transmission shaft to shake serious situation.In order to solve transmission shaft jitter problem, sometimes adopting and assembling torsional vibration damper at transmission shaft and rear-end gear reduction adpting flange place, weaken transmission shaft shake by torsional vibration damper.
But torsional vibration damper structure many employings inner ring mounting blocks popular at present and outer ring mass block are concentric circle.Limit by Internal and external cycle movement limit and structural configuration, gap is therebetween less usually.Therefore its work connection rubber is also less.This structure fatigue performance is poor.And torsional vibration damper lacks the limit structure of Internal and external cycle motion.Easily cause torsional vibration damper under bad working environments, connect rubber pre-burst and lost efficacy, whole torsional vibration damper is scrapped.
Model utility content
In view of above-mentioned the deficiencies in the prior art part, the utility model provides a kind of car transmissions torsional vibration damper, with solve the shake of transmission shaft in prior art and torsional vibration damper fatigue life low problem.
In order to achieve the above object, the utility model adopts following technological scheme.
A kind of car transmissions torsional vibration damper, comprise the mass block of the ring of outer ring and the mounting blocks in mass block inside, described mounting blocks is cavity body structure, and its cross section is square, four angles of described mounting blocks are fillet, and described fillet is identical with the described mass block center of circle; Link together with being connected rubber between the mass block of described outer ring and the mounting blocks of inner ring.This design facilitates fillet the mounting blocks of inner ring to be installed to the mass block inside of outer ring, avoids four of mounting blocks angles to contact with mass block, causes interfering, produce percussion noise; Make the volume of connection rubber greatly increase simultaneously, improve the endurance life-span connecting rubber.
Further, the inwall of described outer ring mass block is also provided with spacing rubber, described spacing rubber is arranged on the both sides of four fillets of described mounting blocks.This design can play circumferencial direction and the spacing effect of radial direction, suppresses relative movement excessive between mass block and mounting blocks, make the environment of connection rubber fatigue work have larger improvement in torsional vibration damper work.
Further, described spacing rubber is arranged at described mass block inwall middle position.
Further, the cross section of described spacing rubber is fan-shaped, and the face be connected with described mass block is curved surface.
Further, the side that the side of described mounting blocks is adjacent with described spacing rubber is parallel.
Further, the gap between the fillet external diameter of described mounting blocks and the mass block internal diameter of outer ring is greater than described spacing rubber and inner ring mounting blocks straight flange gap diametrically.Better position-limiting action can be played diametrically like this, promote the fatigue performance connecting rubber.The mass block of automobile outer ring under road conditions of jolting can also be avoided to contact with mounting blocks simultaneously, produce percussion noise.
Further, mounting blocks is made up of a bottom surface and four sides, and the bottom surface of described mounting blocks is square.Make the shape of the connection rubber in each orientation and spacing rubber identical respectively, make the work that vibration damper can be more balanced.
Further, described mounting blocks by punching press or welding manner shaping.
Further, described connection rubber is arranged at the middle position of described mounting blocks side.
Further, the face that described connection rubber is connected with described mounting blocks is rectangle, and the face be connected with mass block is curved surface.
Further, described mounting blocks is equal with the width of described mass block.
Compared with prior art, the car transmissions torsional vibration damper that the utility model provides is designed to square cavity structure the mounting blocks of inside, connection rubber between mass block and mounting blocks is approximately cuboid shape, the volume connecting rubber is increased greatly, improves the endurance life-span connecting rubber; The spacing rubber set up can play the position-limiting action of circumferencial direction and radial direction, in torsional vibration damper work, suppress relative movement excessive between mass block and mounting blocks, makes the environment of connection rubber fatigue work have larger improvement; The car transmissions torsional vibration damper that the utility model provides simultaneously can improve transmission shaft torsional wave emotionally condition, lowers vibrating noise, reduces vehicle maintenance user cost.
Accompanying drawing explanation
The structural representation of the car transmissions torsional vibration damper that Fig. 1 provides for the utility model.
The limit structure schematic diagram of the car transmissions torsional vibration damper that Fig. 2 provides for the utility model.
The explosive view of the car transmissions torsional vibration damper that Fig. 3 provides for the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As Fig. 1, shown in Fig. 3, a kind of car transmissions torsional vibration damper, comprise the mass block 1 of outer ring ring and the mounting blocks 2 in mass block 1 inside, described mounting blocks 2 is cavity body structure, its cross section is square, and four angles of described mounting blocks 2 are fillet, and described fillet is identical with mass block 1 center of circle, described outer ring; Link together with being connected rubber 3 between described mass block 1 and the mounting blocks 2 of inner ring.
This design facilitates fillet the mounting blocks 2 of inner ring to be installed to mass block 1 inside of outer ring, avoids four of mounting blocks 2 angles to contact with mass block 1, causes damage.Described mounting blocks 2 is designed to square cavity structure simultaneously, increases the volume connecting rubber 3, improves the fatigue performance of rubber 3, and then improves the endurance life-span connecting rubber 3.
As shown in Figure 2, the inwall of described outer ring mass block 1 is provided with spacing rubber 4, and described spacing rubber 4 is arranged on the both sides of four fillets of described mounting blocks 2.
The design of this spacing rubber 4 can prevent the relative inner ring mounting blocks 2 of automobile outer ring mass block 1 under road conditions of jolting because moving excessive each other by inertial force, causes connecting the appearance that rubber bears the excessive power of pullling, can improve the vibration damping and energy-absorbing working zone rubber fatigue life-span.Meanwhile, when vehicle starting, emergency braking and under there is high pulling torque fluctuation situation, vibration damping and energy-absorbing working zone rubber can produce large torsional deflection, and this spacing rubber 4 plays circumferencial direction simultaneously and reverses position-limiting action, improves and connects rubber 3 fatigue life.
As shown in Figure 3, preferably, described spacing rubber 4 is arranged at described mass block 1 inwall middle position, and the cross section of described spacing rubber 4 is fan-shaped, the face be connected with described mass block 1 is curved surface, and the side that the side of described mounting blocks 2 is adjacent with described spacing rubber 4 is parallel.The sulfuration of described spacing rubber 4 is at the inwall of mass block 1, so the face that described spacing rubber 4 is wherein connected with mass block 1 is a curved surface.When mounting blocks 2 touches spacing rubber 4, spacing rubber 4 uniform stressed, not yielding, better keep the performance of spacing rubber 4.
As shown in Figure 2, preferably, the gap between the fillet external diameter of described mounting blocks 2 and mass block 1 internal diameter of outer ring is greater than described spacing rubber 4 and inner ring mounting blocks 2 straight flange gap diametrically.Such automobile is under road conditions of jolting, and mounting blocks 2 first contacts with spacing rubber 4, avoids the mass block 1 of outer ring to contact with mounting blocks 2, plays better position-limiting action diametrically, promotes the fatigue performance connecting rubber.The mass block of automobile outer ring under road conditions of jolting can also be avoided to contact with mounting blocks simultaneously, produce percussion noise.
Preferably, described connection rubber 3 is arranged at the middle position of described mounting blocks 2 side, and the volume of described connection rubber 3 is approximate cuboid shape, and the face be connected with mounting blocks 2 is rectangle, and the face be connected with mass block 1 is curved surface.
As shown in Figure 3, described mounting blocks 2 is made up of a bottom surface and four sides, and the bottom surface of described mounting blocks 2 is square, in process of production, described mounting blocks 2 by punching press or welding manner shaping.Mounting blocks 2 bottom surface is square, each can be made to connect rubber 3 identical respectively with volume with the shape of each spacing rubber 4, can enable the work that vibration damper is more balanced.
Described mounting blocks 2 can equal or approximately equal with the width of described mass block 1.In the present embodiment, preferably, described mounting blocks 2 is equal with the width of described mass block 1.
Described mounting blocks 2 and described mass block 1 all adopt metallic material, adopt ferrous materials in the present embodiment.
In specific implementation process, rubber 3 sulfuration will be connected between mass block 1 and mounting blocks 2 by modes such as sulfurations, the two will be linked together; Spacing rubber 4 also passes through the inwall of mode sulfuration at mass block 1 of sulfuration.
In sum, a kind of car transmissions torsional vibration damper that the utility model provides is designed to square cavity structure the mounting blocks 2 of inside, connection rubber 3 between mass block 1 and mounting blocks 2 is approximately cuboid shape, the volume connecting rubber 3 is increased greatly, improves the endurance life-span connecting rubber 3; Simultaneously due to mounting blocks 2 is designed to square cavity structure, alleviate the weight of this torsional vibration damper.The spacing rubber 4 set up can play the position-limiting action of circumferencial direction and radial direction, in torsional vibration damper work, suppress relative movement excessive between mass block 1 and mounting blocks 2, makes the environment of connection rubber 3 weariness working have larger improvement.The technical solution of the utility model improves the working life of torsional vibration damper, can improve transmission shaft torsional wave emotionally condition, lowers vibrating noise, reduces vehicle maintenance user cost, improves user to the satisfaction of automobile.
Above content is in conjunction with concrete preferred implementation to the further description done by the utility model, can not assert that concrete enforcement of the present utility model is only limited to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (12)
1. a car transmissions torsional vibration damper, comprises the mass block of outer ring ring and the mounting blocks in mass block inside, it is characterized in that, described mounting blocks is cavity body structure, its cross section is square, and four angles of described mounting blocks are fillet, and described fillet is identical with the described mass block center of circle; Link together with being connected rubber between described mass block and the mounting blocks of inner ring.
2. car transmissions torsional vibration damper according to claim 1, is characterized in that, the inwall of described mass block is provided with spacing rubber, and described spacing rubber is arranged on the both sides of four fillets of described mounting blocks.
3. car transmissions torsional vibration damper according to claim 2, is characterized in that, described spacing rubber is arranged at described mass block inwall position placed in the middle.
4. car transmissions torsional vibration damper according to claim 2, is characterized in that, the cross section of described spacing rubber is fan-shaped, and the face be connected with described mass block is curved surface.
5. car transmissions torsional vibration damper according to claim 4, is characterized in that, the side that the side of described mounting blocks is adjacent with described spacing rubber is parallel.
6. car transmissions torsional vibration damper according to claim 5, is characterized in that, the gap between the fillet external diameter of described mounting blocks and the mass block internal diameter of outer ring is greater than described spacing rubber and inner ring mounting blocks straight flange gap diametrically.
7. car transmissions torsional vibration damper according to claim 1, is characterized in that, described mounting blocks is made up of a bottom surface and four sides.
8. car transmissions torsional vibration damper according to claim 7, is characterized in that, the bottom surface of described mounting blocks is square.
9. car transmissions torsional vibration damper according to claim 8, is characterized in that, described mounting blocks by punching press or welding manner shaping.
10. car transmissions torsional vibration damper according to claim 1, is characterized in that, described connection rubber is arranged at position placed in the middle, described mounting blocks side.
11. car transmissions torsional vibration dampers according to claim 10, it is characterized in that, the face that described connection rubber is connected with described mounting blocks is rectangle, the face be connected with mass block is curved surface.
12. car transmissions torsional vibration dampers according to claim 1, it is characterized in that, described mounting blocks is equal with the width of described mass block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420567434.5U CN204200950U (en) | 2014-09-29 | 2014-09-29 | A kind of car transmissions torsional vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420567434.5U CN204200950U (en) | 2014-09-29 | 2014-09-29 | A kind of car transmissions torsional vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204200950U true CN204200950U (en) | 2015-03-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420567434.5U Expired - Fee Related CN204200950U (en) | 2014-09-29 | 2014-09-29 | A kind of car transmissions torsional vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204200950U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329409A (en) * | 2014-09-29 | 2015-02-04 | 上汽通用五菱汽车股份有限公司 | Torsional vibration damper for vehicle driving system |
-
2014
- 2014-09-29 CN CN201420567434.5U patent/CN204200950U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329409A (en) * | 2014-09-29 | 2015-02-04 | 上汽通用五菱汽车股份有限公司 | Torsional vibration damper for vehicle driving system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150311 Termination date: 20200929 |