CN204592137U - Rubber torsional vibration damper - Google Patents
Rubber torsional vibration damper Download PDFInfo
- Publication number
- CN204592137U CN204592137U CN201520106678.8U CN201520106678U CN204592137U CN 204592137 U CN204592137 U CN 204592137U CN 201520106678 U CN201520106678 U CN 201520106678U CN 204592137 U CN204592137 U CN 204592137U
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- Prior art keywords
- mounting flange
- peripheral surface
- rubber
- vibration damper
- projection
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 35
- 230000000670 limiting effect Effects 0.000 claims abstract description 32
- 239000006096 absorbing agent Substances 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000004073 vulcanization Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000000465 moulding Methods 0.000 claims description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
A kind of rubber torsional vibration damper, relate to a kind of torsional vibration damper, comprise mass inertia block, absorber rubber, mounting flange, spacing back-up ring, the inner peripheral surface of described mass inertia block is first-class is arranged at intervals with multiple projection; First-class being arranged at intervals with of barrel external peripheral surface of mounting flange organizes limiting stopper more, often organizes limiting stopper and is symmetrically distributed in corresponding projection both sides respectively; Mounting flange is provided with the rib linked together by two adjacent limiting stoppers on sealing end; Together with the external peripheral surface of spacing back-up ring is fitted in the barrel inner peripheral surface of mounting flange, between mounting flange and mass inertia block, form one by absorber rubber bonding hot vulcanization; Limiting stopper, rib, spacing back-up ring form the square position-limit mechanism that projection is trapped among center by, centre is full of absorber rubber.The utility model can avoid rubber ultralimit be out of shape and prevent mass inertia block from being got rid of when running up, and Noise Reduction is good, structure simple, cost is lower, is easy to promote the use of.
Description
Technical field
The utility model relates to a kind of torsional vibration damper, especially a kind of rubber torsional vibration damper being applied to front-engine rear-drive electrical automobile transmission shaft.
Background technique
Along with the development of society and the raising of living standard, vehicle ride comfort and noise level requirements more and more higher.Solution motor system vibration by no means, particularly reduces front-engine rear-drive power train torsional resonance, has become the main method improving automobile vibration and noise, and on transmission shaft, assemble the Main Means that rubber torsional vibration damper is exactly solution power train abnormal vibrations.Design and control vibration damper natural frequency are mated with transmission system resonance spectrum, control the unbalancing value of vibration damper, the reverse inertial force of mass inertia block when rotating resonance is utilized to offset vibration force, rubber produces frictional heat with attenuation vibration energy when being out of shape simultaneously, reaches and reduces vehicle resonance noise object.
The front-engine rear-drive electrical automobile transmission shaft rubber torsional vibration damper structure that current market at home generally uses is as shown in Fig. 6 and Fig. 7 of accompanying drawing, mass inertia block is connected by vulcanized rubber with mounting flange, during assembling by pilot hole in mounting flange and transmission shaft fastening.This structure is comparatively simple, cost is lower, but in actual use, vehicle is when anxious acceleration and deceleration or emergency braking, due to effect of inertia, mass inertia block produces larger rotating inertia force, adds resonant interaction, cause rubber to be easy to produce ultralimit to be out of shape and pre-burst inefficacy, reduce vibration damper working life, mass inertia block can be caused time serious to get rid of and deviate to injure other parts of the transmission shaft such as pipe fitting, fuel tank periphery, jeopardize traffic safety.
Chinese invention patent application numbers 201410004215.0 disclose a kind ofly to be provided with axially, radial and reverse the Novel torsional vibration damper of limit stoper, by limiting each to activity displacement of mass inertia block, avoid the rubber problem that pre-burst lost efficacy due to ultralimit distortion, but still there is following shortcoming in this patent: (1) each to limit stoper be independent design, structure is more complicated, and manufacture cost is higher; (2) respectively directly contact spacing to being mainly rigidity, rigid material, such as easily produced collision and frictional noise between metal and metal, reduces car load NVH function.
Summary of the invention
The technical problems to be solved in the utility model is: provide one that rubber ultralimit can be avoided to be out of shape and to prevent mass inertia block from being got rid of when running up, and Noise Reduction is good, structure is simple, the rubber torsional vibration damper of lower-cost front-engine rear-drive electrical automobile transmission shaft use.
The technological scheme solved the problems of the technologies described above is: a kind of rubber torsional vibration damper, comprising mass inertia block, absorber rubber, mounting flange for being fastenedly connected with transmission shaft, also including spacing back-up ring;
Described mass inertia block is circular ring, and the inner peripheral surface of this mass inertia block is first-class is arranged at intervals with multiple projection;
Described mounting flange is the cylinder-like structure that one end is opening end, the other end is sealing end, and first-class being arranged at intervals with of barrel external peripheral surface of this mounting flange organizes limiting stopper more, and the group number of limiting stopper is consistent with number of slugs; The quantity often organizing limiting stopper is two, is symmetrically respectively distributed in corresponding projection both sides; Described mounting flange is provided with the rib linked together by two adjacent limiting stoppers on the external peripheral surface of sealing end;
Described spacing back-up ring is the circular ring of one end with positive stop lug boss, together with the external peripheral surface of this spacing back-up ring and the barrel inner peripheral surface of mounting flange are fitted in by interference fit, between mounting flange and mass inertia block, form one by absorber rubber bonding hot vulcanization; Limiting stopper, rib, spacing back-up ring form the square position-limit mechanism that projection is trapped among center by, centre is full of absorber rubber.
Further technological scheme of the present utility model is: described mass inertia block is provided with the positioning hole of at least 2 sulfidization moldings at end face, each positioning hole is circumferentially spacedly distributed respectively.
Described mounting flange is provided with mesopore and pilot hole on sealing end end face.
The monolateral minimum separable of described projection and limiting stopper is at least 8mm.
The monolateral minimum separable of described projection and rib, spacing back-up ring is at least 4mm.
The minimum separable of described projection and mounting flange barrel external peripheral surface is at least 4mm.
The height sum on the arbitrary limit in described bump height and square position-limit mechanism, with mass inertia block inner peripheral surface to mounting flange barrel external peripheral surface spacing compared be at least greater than 3mm.
Owing to adopting said structure, the rubber torsional vibration damper of the utility model compared with prior art, has following beneficial effect:
1. rubber ultralimit can be avoided to be out of shape and to prevent mass inertia block from being got rid of when running up:
Due to a kind of rubber torsional vibration damper of the utility model, comprise mass inertia block, absorber rubber, mounting flange, spacing back-up ring; Wherein the inner peripheral surface of mass inertia block is first-class is arranged at intervals with multiple projection; First-class being arranged at intervals with of barrel external peripheral surface of mounting flange organizes limiting stopper more, mounting flange is provided with the rib linked together by two adjacent limiting stoppers on the external peripheral surface of sealing end, together with the external peripheral surface of spacing back-up ring and the barrel inner peripheral surface of mounting flange are fitted in by interference fit, between mounting flange and mass inertia block, form one by absorber rubber bonding hot vulcanization; Limiting stopper, rib, spacing back-up ring form the square position-limit mechanism that projection is trapped among center by, centre is full of absorber rubber, and this square position-limit mechanism serves rotation, axial and radial position-limiting action.Therefore, the utility model is by mass inertia block weight and absorber rubber stiffness equivalent, the noise caused at a certain band resonant of satisfied reduction transmission shaft, improve on basis that riding comfort requires, owing to adding rotation, axial and radial spacing setting, effectively control each to inertia extreme displacement amount of mass inertia block, prevent absorber rubber from producing due to ultralimit distortion and tear inefficacy in early days; Same, can also prevent mass inertia block from getting rid of and deviate to injure other parts of the transmission shaft such as pipe fitting, fuel tank periphery, further increase the working life of product and the Security of vehicle traveling.
2. Noise Reduction is good:
Because limiting stopper of the present utility model, rib, spacing back-up ring form the square position-limit mechanism that projection is trapped among center by, centre is full of absorber rubber, namely be of the present utility model respectively to all there being flexible absorber rubber between spacing component and projection, therefore, of the present utility model respectively to spacing be all that flexible contact is spacing, thus minimizing frictional noise, improve car load NVH function.
3. structure is simple, cost is lower:
Spacing being the integrated design is contacted because rotation of the present utility model, axis and radial direction are non-rigid, component used are less, compared with at present more novel torsional vibration damper structure structure disclosed in Chinese invention patent application numbers 201410004215.0, have the advantages that structure is simple, manufacturing process is easy, cost is low, be easy to apply.
Below, in conjunction with the accompanying drawings and embodiments the technical characteristics of the rubber torsional vibration damper of the utility model is further described.
Accompanying drawing explanation
Fig. 1 ~ Fig. 2: the structural representation of the rubber torsional vibration damper of the utility model,
Fig. 1: plan view, the front sectional view of Fig. 2: Fig. 1;
Fig. 3: the three-dimensional structure diagram of mass inertia block,
Fig. 4: the three-dimensional structure diagram of mounting flange,
Fig. 5: the three-dimensional structure diagram of spacing back-up ring;
Fig. 6 ~ Fig. 7: the structural representation of existing rubber torsional vibration damper,
Fig. 6: plan view, the front sectional view of Fig. 7: Fig. 6;
In figure:
1-mass inertia block, 11-projection, 12-positioning hole;
2-absorber rubber;
3-mounting flange, 31-limiting stopper, 32-mesopore, 33-pilot hole, 34-rib;
The spacing back-up ring of 4-, 41-positive stop lug boss.
Embodiment
Embodiment one:
A kind of rubber torsional vibration damper, comprises the mass inertia block 1 that can produce inertia displacement, absorber rubber 2, spacing back-up ring 4 and the mounting flange 3 for being fastenedly connected with transmission shaft with enough weight; Wherein:
Described mass inertia block 1 is circular ring, integrally formedly at equal intervals on the inner peripheral surface of this mass inertia block 1 be provided with 4 projections 11, this mass inertia block 1 also arranges sulfidization molding positioning hole 12 at end face, in order to reduce the rotation unbalancing value of vibration damper, positioning hole 12 is at least 2, for being circumferentially spacedly distributed;
Described mounting flange 3 for one end be opening end, the other end is the cylinder-like structure of sealing end, integrally formedly at equal intervals on the external peripheral surface of this mounting flange 3 be provided with 4 groups of limiting stoppers 31, the quantity often organizing limiting stopper 31 is two, the symmetrical both sides being distributed in corresponding projection 11 respectively; Described mounting flange 3 is provided with the rib 34 linked together by two adjacent limiting stoppers 31 on the external peripheral surface of sealing end; Described mounting flange 3 is provided with mesopore 32 and pilot hole 33 on sealing end end face, and wherein pilot hole 33 is 4, and for circumferentially arranging distribution at equal intervals, pilot hole 33, except for except being fastenedly connected with transmission shaft, can be used for sulfidization molding location;
Described spacing back-up ring 4 is the circular ring of one end with positive stop lug boss 41, together with the external peripheral surface of this spacing back-up ring 4 and the barrel inner peripheral surface of mounting flange 3 are fitted in by interference fit, between mounting flange 3 and mass inertia block 1, form one by absorber rubber 2 bonding hot vulcanization; Material is thus formed 4 respectively by limiting stopper 31, rib 34, spacing back-up ring 4 form projection 11 is trapped among center, square position-limit mechanism that centre is full of absorber rubber 2, wherein, the limiting stopper 31 being positioned at projection 11 both sides plays the position-limiting action of sense of rotation, rib 34, spacing back-up ring 4 play axial limiting effect, and mounting flange 3 barrel external peripheral surface plays radial position-limiting action.
Natural frequency according to different automobile types designs, and can adjust the volume of the quality of mass inertia block and absorber rubber, hardness or rigidity.
By adjustment projection 11 size and with the spacing of limiting stopper 31 to reach the object of Mass Control inertial mass 1 sense of rotation extreme displacement amount, but projection 11 is at least 8mm with the monolateral minimum separable of limiting stopper 31, with inertial mass 1 of ensuring the quality of products have enough rotate freely displacement amount, absorber rubber 2 sense of rotation have lower rigidity with in sense of rotation be non-rigid contact spacing.
Same, by adjustment projection 11 size and with the spacing of rib 34 and spacing back-up ring 4 to reach the object of Mass Control inertial mass axial limit displacement amount, but projection 11 is at least 4mm with the monolateral minimum separable of rib 34 and spacing back-up ring 4, to ensure axially for non-rigid contact is spacing.
Same, by adjusting the spacing of projection 11 and mounting flange 3 barrel external peripheral surface to reach the object of Mass Control inertial mass 1 radial limits displacement amount, but projection 11 is at least 4mm with the minimum separable of mounting flange 3 barrel external peripheral surface, to ensure that radial is that non-rigid contact is spacing.
Same, projection 11 height and the height sum on the arbitrary limit in the square position-limit mechanism be made up of limiting stopper 31, rib 34, spacing back-up ring 4, with mass inertia block 1 inner peripheral surface to mounting flange 3 barrel external peripheral surface spacing compared be at least greater than 3mm, to ensure having enough spacing loaded areas between projection 11 and square position-limit mechanism.
One as the present embodiment one converts, and according to different automobile types coupling needs, described projection 11 also can be 2,3, or is greater than 4; Limiting stopper 31 also can be 2 groups, 3 groups, or is greater than 4 groups, but limiting stopper 31 groups of numbers should be consistent with projection 11 quantity; Same, described square position-limit mechanism can be set to 2,3, or is greater than 4.
As another conversion of the present embodiment one, according to different automobile types coupling needs, described pilot hole 33 also can be 2,3, or is greater than 4.
Claims (7)
1. a rubber torsional vibration damper, comprising mass inertia block (1), absorber rubber (2), mounting flange (3) for being fastenedly connected with transmission shaft, it is characterized in that: also include spacing back-up ring (4);
Described mass inertia block (1) is circular ring, and the inner peripheral surface of this mass inertia block (1) is first-class is arranged at intervals with multiple projection (11);
Described mounting flange (3) for one end be opening end, the other end is the cylinder-like structure of sealing end, first-class being arranged at intervals with of the barrel external peripheral surface of this mounting flange (3) organizes limiting stopper (31) more, and the group number of limiting stopper (31) is consistent with projection (11) quantity; The quantity often organizing limiting stopper (31) is two, is symmetrically respectively distributed in corresponding projection (11) both sides; Described mounting flange (3) is provided with the rib (34) linked together by two adjacent limiting stoppers (31) on the external peripheral surface of sealing end;
Described spacing back-up ring (4) is for one end is with the circular ring of positive stop lug boss (41), together with the external peripheral surface of this spacing back-up ring (4) and the barrel inner peripheral surface of mounting flange (3) are fitted in by interference fit, between mounting flange (3) and mass inertia block (1), form one by absorber rubber (2) bonding hot vulcanization; Limiting stopper (31), rib (34), spacing back-up ring (4) form the square position-limit mechanism that projection (11) is trapped among center by, centre is full of absorber rubber (2).
2. rubber torsional vibration damper according to claim 1, is characterized in that: described mass inertia block (1) is provided with the positioning hole (12) of at least 2 sulfidization moldings at end face, and each positioning hole (12) is circumferentially spacedly distributed respectively.
3. rubber torsional vibration damper according to claim 1, is characterized in that: described mounting flange (3) is provided with mesopore (32) and pilot hole (33) on sealing end end face.
4. rubber torsional vibration damper according to claim 1, is characterized in that: described projection (11) is at least 8mm with the monolateral minimum separable of limiting stopper (31).
5. rubber torsional vibration damper according to claim 1, is characterized in that: described projection (11) is at least 4mm with the monolateral minimum separable of rib (34), spacing back-up ring (4).
6. rubber torsional vibration damper according to claim 1, is characterized in that: described projection (11) is at least 4mm with the minimum separable of mounting flange (3) barrel external peripheral surface.
7. the rubber torsional vibration damper according to claim 1 to the arbitrary claim of claim 6, it is characterized in that: the height sum on described projection (11) height and the arbitrary limit in square position-limit mechanism, with mass inertia block (1) inner peripheral surface to mounting flange (3) barrel external peripheral surface spacing compared be at least greater than 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520106678.8U CN204592137U (en) | 2015-02-13 | 2015-02-13 | Rubber torsional vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520106678.8U CN204592137U (en) | 2015-02-13 | 2015-02-13 | Rubber torsional vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204592137U true CN204592137U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520106678.8U Expired - Fee Related CN204592137U (en) | 2015-02-13 | 2015-02-13 | Rubber torsional vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204592137U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696431A (en) * | 2015-02-13 | 2015-06-10 | 柳州金鸿橡塑有限公司 | Rubber torsional shock absorber |
| CN108350983A (en) * | 2015-11-19 | 2018-07-31 | Zf腓特烈斯哈芬股份公司 | Damping assembly at least one buffer stopper |
-
2015
- 2015-02-13 CN CN201520106678.8U patent/CN204592137U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696431A (en) * | 2015-02-13 | 2015-06-10 | 柳州金鸿橡塑有限公司 | Rubber torsional shock absorber |
| CN108350983A (en) * | 2015-11-19 | 2018-07-31 | Zf腓特烈斯哈芬股份公司 | Damping assembly at least one buffer stopper |
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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 |
Granted publication date: 20150826 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |