CN204553655U - Damping device on a kind of vehicle engine exhaust divided manifold thermal shield - Google Patents
Damping device on a kind of vehicle engine exhaust divided manifold thermal shield Download PDFInfo
- Publication number
- CN204553655U CN204553655U CN201520121816.XU CN201520121816U CN204553655U CN 204553655 U CN204553655 U CN 204553655U CN 201520121816 U CN201520121816 U CN 201520121816U CN 204553655 U CN204553655 U CN 204553655U
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- lining
- thermal shield
- main part
- body portion
- accessory body
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Abstract
The utility model provides the damping device on a kind of vehicle engine exhaust divided manifold thermal shield, comprise lower lining, upper lining, Stainless Steel Wire, described lower lining comprises cylindric main part and bends by main part bottom Vertical dimension the annular support part extended to form outward, and described upper lining comprises cylindric accessory body portion and bent the annular support portion extended to form by accessory body portion top Vertical dimension outward; The main part of described lower lining is arranged in the mounting hole of described thermal shield, and described thermal shield is against the upper surface of the supporting portion of described lower lining; The accessory body portion of described upper lining and the main part of described lower lining are socketed mutually; Described Stainless Steel Wire is sheathed between the cradle portion of thermal shield and described upper lining.The utility model to improve significantly and more stable to vibration is durable.
Description
Technical field
The utility model relates to automobile engine system part field, particularly relates to the damping device on a kind of vehicle engine exhaust divided manifold thermal shield.
Background technique
Traditional vehicle engine exhaust divided manifold thermal shield is that thermal shield is connected with gas exhaust manifold, this exhaust manifold thermal shield is generally alclad sheet, adopt stamping process impact briquetting, by stamping-out bolt mounting holes direct on alclad sheet body, traditional mounting type is that thermal shield is connected on enmgine exhaust by bolt mounting holes by direct bolt.For this design, when automobile is under bad working environments during Long-Time Service, easily there is crackle or fracture in vehicle engine exhaust divided manifold thermal shield, and noise is large, this has a strong impact on the actual effect of these parts, if vehicle engine exhaust divided manifold thermal shield drops, also can threaten the safety of driver.
As shown in Figure 1, disclosed in 21 days Mays in 2014, publication number is the Chinese model utility of 201420261330.1, propose a kind of exhaust manifold thermal shield aseismatic mechanism 100, this exhaust manifold thermal shield aseismatic mechanism 100 comprises the sleeve 2 be arranged in each mounting hole 11 of exhaust manifold thermal shield 1 and the steel wire packing ring I 5 be enclosed within respectively outside sleeve 2, steel wire packing ring II 4, Upper gasket 3, described sleeve 2 comprises cylindric main part 21 and is bent the annular support part 22 extended to form by main part bottom Vertical dimension outward, it is outer and be against the upper surface of annular support part 22 that described steel wire packing ring I 5 is enclosed within the main part 21 of sleeve 2, it is outer and be positioned at above steel wire packing ring I 5 that described steel wire packing ring II 4 is enclosed within the main part 21 of sleeve 2, exhaust manifold thermal shield 1 is clipped between steel wire packing ring I 5 and steel wire packing ring II 4, it is outer and be against steel wire packing ring II 4 upper surface that described Upper gasket 3 is enclosed within the main part 21 of sleeve 2.This model utility can effectively reduce the vibrations of thermal shield, prolong insulation cover working life, reduce thermal shield thermal stress, reduce the noise that thermal shield produces; But also there are some problems, such as: the area that is stressed large, crimping of Upper gasket is less.
Model utility content
The technical problems to be solved in the utility model, be to provide the damping device on a kind of vehicle engine exhaust divided manifold thermal shield, to the improvement on upper lining and thermal shield position, optimize stressed and increase compression joint area, make the damping device after crimping more stable, improve significantly to vibration is durable.
The utility model is achieved in that
Damping device on a kind of vehicle engine exhaust divided manifold thermal shield, comprise lower lining, upper lining, Stainless Steel Wire, described lower lining comprises cylindric main part and bends by main part bottom Vertical dimension the annular support part extended to form outward, and described upper lining comprises cylindric accessory body portion and bent the annular support portion extended to form by accessory body portion top Vertical dimension outward; The main part of described lower lining is arranged in the mounting hole of described thermal shield, and described thermal shield is against the upper surface of the supporting portion of described lower lining; The accessory body portion of described upper lining and the main part of described lower lining are socketed mutually; Described Stainless Steel Wire is sheathed between the cradle portion of thermal shield and described upper lining.
Further, the accessory body portion of described upper lining be enclosed within described lower lining main part in or the accessory body portion of described upper lining covers the main part of described lower lining and is against the upper surface of thermal shield.
The utility model has the advantage of: the utility model increases beam on exhaust manifold thermal shield, by this design, the vibration frequency of thermal shield can be reduced, promote the performance of the vibration and shock resistant of thermal shield, reduce during bad working environments uses and occur the phenomenon such as crackle or fracture odds; Through real vehicle checking, the utility model improves significantly to product performance, optimizes stressed and increases compression joint area, makes the damping device after crimping more stable.
Accompanying drawing explanation
The utility model is further described with reference to the accompanying drawings in conjunction with the embodiments.
Fig. 1 is the sectional view of the exhaust manifold thermal shield aseismatic mechanism of prior art.
Fig. 2 is sectional view of the present utility model.
Fig. 3 is the structural representation of lower lining in the utility model.
Fig. 4 is the structural representation of upper lining in the utility model.
Fig. 5 is the structural representation that upper lining covers lower lining.
Fig. 6 is the structural representation that upper lining is enclosed within lower lining.
Embodiment
Refer to shown in Fig. 2 to Fig. 6, damping device 200 on a kind of vehicle engine exhaust divided manifold thermal shield of the present utility model, comprise lower lining 7, upper lining 8, Stainless Steel Wire 9, described lower lining 7 comprises cylindric main part 71 and is bent the annular support part 72 extended to form by main part bottom Vertical dimension outward, and described upper lining 8 comprises cylindric accessory body portion 81 and bent the annular support portion 82 extended to form by accessory body portion top Vertical dimension outward; The main part 71 of described lower lining 7 is arranged in the mounting hole 61 of described thermal shield 6, and described thermal shield 6 is against the upper surface of the supporting portion 72 of described lower lining 7; In the main part 71 that the accessory body portion 81 of described upper lining 8 is enclosed within described lower the lining 7 or accessory body portion 81 of described upper lining 8 covers the main part 71 of described lower lining 7 and is against the upper surface of thermal shield 6; Described Stainless Steel Wire 9 is sheathed between the cradle portion 82 of described thermal shield 6 and described upper lining 8.
Concrete crimping step has: the main part 71 described thermal shield 6 being enclosed within described lower lining 7 is outer and crimp with described lower lining 7 after being against the upper surface of annular support part 72, and the outer rear flank then described Stainless Steel Wire 9 being coated on upper lining 8 crimps with described thermal shield 6.
The utility model increases this damping device 200 on the thermal shield 6 of automobile gas exhausting manifold branch, comprise lower lining 7, upper lining 8, Stainless Steel Wire 9, Stainless Steel Wire 9 in this damping device 200 has certain cushioning effect, the chattering frequency of thermal shield 6 can be reduced, can bear higher temperature, maximum temperature can reach 950 DEG C simultaneously; Upper lining 8 in this damping device 200 is the components with buffer function with lower lining 7, and its Main Function reduces or reduce foreign impacts to the destruction of inside, and the group being also convenient to motor is stood.By this design, the vibration frequency of thermal shield 6 can be reduced, promote the performance of the vibration and shock resistant of thermal shield 6, reduce during bad working environments uses and occur the phenomenon such as crackle or fracture occurrence probability.Through real vehicle checking, the utility model improves significantly to product performance.
Although the foregoing describe embodiment of the present utility model; but be familiar with those skilled in the art to be to be understood that; specific embodiment described by us is illustrative; instead of for the restriction to scope of the present utility model; those of ordinary skill in the art, in the modification of the equivalence done according to spirit of the present utility model and change, should be encompassed in scope that claim of the present utility model protects.
Claims (2)
1. the damping device on a vehicle engine exhaust divided manifold thermal shield, comprise lower lining, upper lining, Stainless Steel Wire, described lower lining comprises cylindric main part and bends by main part bottom Vertical dimension the annular support part extended to form outward, it is characterized in that: described upper lining comprises cylindric accessory body portion and bent the annular support portion extended to form by accessory body portion top Vertical dimension outward; The main part of described lower lining is arranged in the mounting hole of described thermal shield, and described thermal shield is against the upper surface of the supporting portion of described lower lining; The accessory body portion of described upper lining and the main part of described lower lining are socketed mutually; Described Stainless Steel Wire is sheathed between the cradle portion of thermal shield and described upper lining.
2. the damping device on a kind of vehicle engine exhaust divided manifold thermal shield as claimed in claim 1, is characterized in that: in the main part that the accessory body portion of described upper lining is enclosed within described lower lining or the accessory body portion of described upper lining covers the main part of described lower lining and is against the upper surface of thermal shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520121816.XU CN204553655U (en) | 2015-03-03 | 2015-03-03 | Damping device on a kind of vehicle engine exhaust divided manifold thermal shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520121816.XU CN204553655U (en) | 2015-03-03 | 2015-03-03 | Damping device on a kind of vehicle engine exhaust divided manifold thermal shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204553655U true CN204553655U (en) | 2015-08-12 |
Family
ID=53828770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520121816.XU Expired - Fee Related CN204553655U (en) | 2015-03-03 | 2015-03-03 | Damping device on a kind of vehicle engine exhaust divided manifold thermal shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204553655U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240654A (en) * | 2015-10-16 | 2016-01-13 | 北京动力机械研究所 | Damping supporting seat for engine |
| CN105370364A (en) * | 2015-11-30 | 2016-03-02 | 重庆祥吉机械制造有限公司 | Heat insulation structure for three-way catalyst |
| CN105370351A (en) * | 2015-11-30 | 2016-03-02 | 重庆祥吉机械制造有限公司 | Heat insulation device for three-way catalyst |
| CN111075519A (en) * | 2019-12-11 | 2020-04-28 | 沈阳航天三菱汽车发动机制造有限公司 | Plug-in hybrid vehicle engine supercharger thermal shroud damping device |
-
2015
- 2015-03-03 CN CN201520121816.XU patent/CN204553655U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240654A (en) * | 2015-10-16 | 2016-01-13 | 北京动力机械研究所 | Damping supporting seat for engine |
| CN105370364A (en) * | 2015-11-30 | 2016-03-02 | 重庆祥吉机械制造有限公司 | Heat insulation structure for three-way catalyst |
| CN105370351A (en) * | 2015-11-30 | 2016-03-02 | 重庆祥吉机械制造有限公司 | Heat insulation device for three-way catalyst |
| CN111075519A (en) * | 2019-12-11 | 2020-04-28 | 沈阳航天三菱汽车发动机制造有限公司 | Plug-in hybrid vehicle engine supercharger thermal shroud damping device |
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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: 20150812 Termination date: 20200303 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |