CN210770023U - Silicon oil damper shell - Google Patents
Silicon oil damper shell Download PDFInfo
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- CN210770023U CN210770023U CN201921694392.0U CN201921694392U CN210770023U CN 210770023 U CN210770023 U CN 210770023U CN 201921694392 U CN201921694392 U CN 201921694392U CN 210770023 U CN210770023 U CN 210770023U
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- annular
- silicone oil
- ring body
- annular disc
- oil damper
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Abstract
The utility model discloses a silicon oil shock absorber casing relates to shock absorber structure technical field, including integrated into one piece's first annular dish and outer ring body, coaxial rigid coupling has the interior ring body on the interior terminal surface of first annular dish, forms the silicon oil groove between outer ring body and the interior ring body, and the inner wall integrated into one piece of interior ring body has the second annular dish, is equipped with the annular piece between first annular dish and the second annular dish, and first annular dish, second annular dish and annular piece all are equipped with the shaft hole of constant diameter along common center pin direction. The utility model provides a silicone oil shock absorber among the prior art poor, the big technical problem of error of crankshaft installation fastness, the utility model discloses processing is simple and convenient, structure fastness is strong to with engine crankshaft connection back fastness chamber, installation error is little, moreover adopts the utility model discloses a silicone oil shock absorber product property can be good, has especially better maximum damping coefficient and heat dispersion.
Description
Technical Field
The utility model relates to a shock absorber technical field, in particular to silicon oil shock absorber casing.
Background
The silicone oil damper is a damping device applied to a high-power engine, wherein an inertia wheel is arranged in a sealed cavity of a shell and can freely rotate in the shell around a bearing; the gap between the inertia wheel and the shell is filled with silicone oil. The shell of the silicone oil damper is fixedly connected to the front end of a crankshaft of the engine and moves together with the crankshaft system. When the crankshaft system generates torsional vibration, because the inertia wheel has larger rotating inertia, the motion of the inertia wheel always lags behind the motion of the shell, and at the moment, the silicon oil in the gap generates shearing due to viscous damping to consume vibration energy in a heat energy mode, so that the effect of reducing the torsional vibration of an engine shafting is achieved.
The existing silicone oil damper shell is matched with a crankshaft through a single-layer plate structure and is connected through a flange, the structural firmness of the silicone oil damper is poor in the mode, the installation firmness of the shell part of the silicone oil damper and the crankshaft is poor, the installation error is large, and finally the service life of the silicone oil damper is shortened.
Disclosure of Invention
To above defect, the utility model aims at providing a silicon oil damper casing aims at solving among the prior art silicon oil damper and the technical problem that the bent axle installation fastness is poor, the error is big.
In order to solve the technical problem, the technical scheme of the utility model is that:
the silicone oil damper shell comprises a first annular disc and an outer annular body which are integrally formed, an inner annular body is coaxially and fixedly connected to the inner end face of the first annular disc, a silicone oil groove is formed between the outer annular body and the inner annular body, a second annular disc is integrally formed on the inner wall of the inner annular body, an annular block is arranged between the first annular disc and the second annular disc, and the first annular disc, the second annular disc and the annular block are all provided with equal-diameter shaft holes along the common central shaft direction.
Wherein, the outer end face of the outer ring body is flush with the outer end face of the inner ring body.
Wherein the second annular disc is located at a middle position on the inner ring body in the axial direction.
Wherein, the inner end surface of the inner ring body is welded on the end surface of the first annular disc.
The first annular disc, the second annular disc and the annular block are correspondingly provided with a plurality of first mounting holes and a plurality of second mounting holes, and the first mounting holes and the second mounting holes are uniformly and circumferentially arranged around the central shaft of the first annular disc.
Wherein, be equipped with the oil filler point of a plurality of intercommunication silicon oil groove on the first annular dish.
Wherein, the inner end face of the first annular disc is provided with an annular groove, and the outer groove wall of the annular groove is positioned on the inner wall of the outer ring body.
The radial width of the annular groove is 1/3-1/2 of the radial width of the silicone oil groove.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
because the utility model discloses silicon oil damper shell includes integrated into one piece's first annular dish and outer annular body, the interior terminal surface rigid coupling inner ring body of first annular dish, the inner wall integrated into one piece of inner ring body has the second annular dish, be equipped with the annular piece between first annular dish and the second annular dish, first annular dish, second annular dish and annular piece all are equipped with the shaft hole of constant diameter along common center pin direction, make the part assembly of silicon oil damper shell only need accomplish first annular dish with the fixed connection process of inner ring body can, production processes has greatly been reduced, machining error has been reduced, the annular piece supports between first annular dish and second annular dish, and the annular piece, first annular dish and second annular dish directly are used for being connected with engine crankshaft, thereby the mechanical strength of silicon oil damper shell has been strengthened, the fastness of each subassembly connection in the silicon oil damper shell, And the firmness of the connection between the silicone oil damper shell and the crankshaft.
Because the annular groove is arranged on the inner end face of the first annular disc, the outer side groove wall of the annular groove is positioned on the inner wall of the outer ring body, the volume of the silicon oil groove increased by the annular groove increases the contact area of the silicon oil and the shell of the silicon oil damper, and the increased silicon oil can be uniformly distributed in the silicon oil groove without causing uneven resistance, so that the maximum damping coefficient of the silicon oil damper is increased by the annular groove, the product performance of the silicon oil damper is improved, meanwhile, the local thickness of the first annular disc is reduced due to the existence of the annular groove, and the heat dissipation performance of the first annular disc is improved.
Because the radial width of the annular groove is 1/3-1/2 of the radial width of the silicone oil groove, the annular groove has a certain depth, and the performance of the product of the silicone oil damper and the heat dissipation performance of the first annular disc are enhanced on the premise that the first annular disc is guaranteed to have enough mechanical strength.
To sum up, the utility model provides an among the prior art silicone oil shock absorber and the technical problem that crankshaft installation fastness is poor, the error is big, the utility model discloses processing is simple and convenient, structural firmness is strong to with engine crankshaft connection back fastness chamber, installation error is little, moreover adopt the utility model discloses a silicone oil shock absorber product property can be good, has better maximum damping coefficient and heat dispersion especially.
Drawings
FIG. 1 is a structural sectional view of a first embodiment of a silicone oil damper housing according to the present invention;
fig. 2 is a structural sectional view of a second embodiment of a silicone oil damper housing according to the present invention.
In the figure, a first annular disc 10, an annular groove 100, an outer ring body 11, an inner ring body 12, a second annular disc 13, a silicon oil groove 14, an annular block 15, a shaft hole 16, a first mounting hole 17, a second mounting hole 18, an oil filling hole 19 and a welding position 20.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The directions referred to in this specification all take the direction of the utility model discloses a silicon oil damper shell during normal work as the standard, do not restrict the direction when its storage and transportation, only represent relative position relation, do not represent absolute position relation.
The first embodiment is as follows:
as shown in fig. 1, the silicone oil damper housing includes a first annular disc 10, a second annular disc 13, an outer ring body 11, an inner ring body 12, and an annular block 15, where the first annular disc 10, the second annular disc 13, the outer ring body 11, the inner ring body 12, and the annular block 15 are coaxially installed, that is, the above five parts have the same central axis, the first annular disc 10 and the outer ring body 11 are integrally formed by rotary cutting or stamping, the second annular disc 13 and the inner ring body 12 are integrally formed by rotary cutting, an inner end surface of the inner ring body 12 is fixed on an end surface of the first annular disc 10, preferably, the inner end surface is fixed by welding, and a welding position 20 is a contact point between the inner ring body 12 and the first annular disc 10, so as to achieve stable and sealed connection between the inner ring body 12 and the first annular disc 10.
As shown in fig. 1, the annular gap between the inner wall of the outer ring body 11 and the outer wall of the inner ring body 12 is a silicone oil groove 14, and the silicone oil groove 14 is sealed by fixing a cover on the outer end faces of the inner ring body 12 and the outer ring body 11, preferably, the outer end face of the outer ring body 11 is flush with the outer end face of the inner ring body 12. The silicon oil groove 14 is used for installing an inertia ring, silicon oil is injected through oil injection holes 19 in the first annular disc 10, the oil injection holes 19 are screw holes and can be sealed by screw caps, two oil injection holes 19 are arranged, and the two oil injection holes 19 are symmetrically distributed on the first annular disc 10. The second annular disc 13 is located at the middle position of the inner wall of the inner ring 12 along the axial direction, a gap between the first annular disc 10 and the second annular disc 13 is used for installing an annular block 15, the first annular disc 10, the second annular disc 13 and the annular block are all provided with a shaft hole 16 with the same diameter along the common central axis direction, the shaft hole 16 is used for installing a crankshaft of an engine, and the second annular disc 13 and the annular block 15 are connected with the crankshaft in an interference fit mode.
As shown in fig. 1, 2 first mounting holes 17 and 10 second mounting holes 18 are provided around the central shaft, the first mounting holes 17 are used for connecting the first annular disc 10, the annular block 15 and the second annular disc 13 through bolts, the second mounting holes 18 are used for connecting the silicone oil damper housing and a flange on the crankshaft through bolts, and the annular block 15 is supported between the first annular disc 10 and the second annular disc 13 and used for enhancing the mechanical strength of the silicone oil damper housing, the firmness of connection of each component in the silicone oil damper housing and the firmness of connection of the silicone oil damper housing and the crankshaft.
Example two:
the difference between the present embodiment and the first embodiment is that, as shown in fig. 2, an annular groove 100 is provided on an inner end surface of the first annular disc 10, that is, the annular groove 100 is located in the silicone oil groove 14, an outer side groove wall of the annular groove 100 is located on an inner wall of the outer ring body 11, the capacity of the silicone oil groove 14 increased by the annular groove 100 increases a contact area between the silicone oil and a housing of the silicone oil damper, and the increased silicone oil can be uniformly distributed in the silicone oil groove 14, so that resistance is not uneven, therefore, the annular groove 100 increases a maximum damping coefficient of the silicone oil damper, improves a product performance of the silicone oil damper, and meanwhile, due to the existence of the annular groove 100, a local thickness of the first annular disc 10 is reduced, and.
Preferably, the radial width of the annular groove 100 is 1/3-1/2 of the radial width of the silicone oil groove 14, the depth of the annular groove 100 is half of the thickness of the first annular disc 10, and the annular groove 100 in the range can enhance the product performance of the silicone oil damper and the heat dissipation performance of the first annular disc 10 on the premise of ensuring that the first annular disc 10 has enough mechanical strength as a whole.
The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.
Claims (8)
1. A silicone oil damper shell is characterized by comprising a first annular disc and an outer annular body which are integrally formed, wherein an inner annular body is coaxially and fixedly connected to the inner end face of the first annular disc, a silicone oil groove is formed between the outer annular body and the inner annular body, a second annular disc is integrally formed on the inner wall of the inner annular body, an annular block is arranged between the first annular disc and the second annular disc, and shaft holes with equal diameters are formed in the first annular disc, the second annular disc and the annular block along the common central shaft direction.
2. A silicone oil damper housing as set forth in claim 1, wherein an outer end surface of said outer ring body is flush with an outer end surface of said inner ring body.
3. A silicone oil damper housing as set forth in claim 1, wherein said second annular disc is located at a central position in the axial direction on said inner ring body.
4. A silicone oil damper housing as set forth in claim 1, wherein said inner end surface of said inner ring is welded to said end surface of said first annular disc.
5. A silicone oil damper housing as set forth in claim 1, wherein said first annular disc, said second annular disc and said annular block are provided with a plurality of first mounting holes and a plurality of second mounting holes, respectively, said plurality of first mounting holes and said plurality of second mounting holes being arranged in a uniform circumferential arrangement about a central axis of said first annular disc.
6. The silicone oil damper housing of claim 1, wherein the first annular disc is provided with a plurality of oil holes communicating with the silicone oil groove.
7. A silicone oil damper housing as in any one of claims 1 to 6, wherein said first annular disc is provided with an annular groove on an inner end surface thereof, and an outer groove wall of said annular groove is located on an inner wall of said outer ring body.
8. A silicone oil damper housing as set forth in claim 7, wherein said annular groove has a radial width of 1/3-1/2 of a radial width of said silicone oil groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921694392.0U CN210770023U (en) | 2019-10-11 | 2019-10-11 | Silicon oil damper shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921694392.0U CN210770023U (en) | 2019-10-11 | 2019-10-11 | Silicon oil damper shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210770023U true CN210770023U (en) | 2020-06-16 |
Family
ID=71039838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921694392.0U Active CN210770023U (en) | 2019-10-11 | 2019-10-11 | Silicon oil damper shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210770023U (en) |
-
2019
- 2019-10-11 CN CN201921694392.0U patent/CN210770023U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A silicone oil shock absorber shell Effective date of registration: 20211230 Granted publication date: 20200616 Pledgee: Weifang Bank Co.,Ltd. Kuiwen sub branch Pledgor: SHANDONG GUANGDA MACHINE MANUFACTURE CO.,LTD. Registration number: Y2021980017161 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230103 Granted publication date: 20200616 Pledgee: Weifang Bank Co.,Ltd. Kuiwen sub branch Pledgor: SHANDONG GUANGDA MACHINE MANUFACTURE CO.,LTD. Registration number: Y2021980017161 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A silicone oil damper housing Effective date of registration: 20230129 Granted publication date: 20200616 Pledgee: Weifang Bank Co.,Ltd. Kuiwen sub branch Pledgor: SHANDONG GUANGDA MACHINE MANUFACTURE CO.,LTD. Registration number: Y2023980031721 |