CN2823642Y - Jointing assembly for jointing engine cylinder head and cylinder head cover - Google Patents
Jointing assembly for jointing engine cylinder head and cylinder head cover Download PDFInfo
- Publication number
- CN2823642Y CN2823642Y CN 200520035235 CN200520035235U CN2823642Y CN 2823642 Y CN2823642 Y CN 2823642Y CN 200520035235 CN200520035235 CN 200520035235 CN 200520035235 U CN200520035235 U CN 200520035235U CN 2823642 Y CN2823642 Y CN 2823642Y
- Authority
- CN
- China
- Prior art keywords
- thrust piece
- bar portion
- cylinder head
- pad
- valve mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to a connecting assembly for connecting a cylinder head and cylinder head cover of an engine, which comprises a rod part, a spacing piece, an elastic pad and an anti-thrust piece, wherein the rod part is provided with thread; the spacing piece is fixedly sheathed on the outer wall of the rod part; the elastic pad is movably sheathed on the outer wall of the rod part; the anti-thrust piece and the rod part are arranged as a whole; the anti-thrust piece is positioned below the spacing piece; the anti-thrust piece protrudes from the outer wall of the rod part along the radial direction of the rod part; the elastic pad is positioned between the anti-thrust piece and the spacing piece; the thread is positioned at the lower part of the anti-thrust piece, and extends from the tail end of the rod part to the anti-thrust piece. Provided with the anti-thrust piece and the elastic pad, the utility model causes the anti-thrust piece to stop screwing when the anti-thrust piece contacts the cylinder head, and causes the elastic pad to have better elastic deformation, thereby, the utility model can effectively reduce the vibration of the cylinder head cover and reduce the vibration radiation of engines.
Description
[technical field]
The utility model is the connection part that is used to connect valve mechanism cover and cylinder head about a kind of.
[background technique]
See also Fig. 1, the general bolt assembly that adopts connects between available engine valve mechanism cover and the cylinder head, this bolt assembly comprises bolt 1, gasket assembly 2 and sleeve 3, this bolt 1 passes sleeve 3 and valve mechanism cover 4 is connected on the cylinder head 5, and the flanged surface compress gasket assembly 2 of bolt 1, then bolt 1 can not continue to tighten when the lower end surface of sleeve 3 touches cylinder head 5, thereby makes gasket assembly 2 that certain decrement be arranged, and reduces the vibration radiation of motor.But there is following shortcoming in this kind design: 1) bolt 1, gasket assembly 2, and sleeve 3 be respectively the part that disperses, cause whole engine component to increase, manageability increases cost; 2) tightness of the installation between valve mechanism cover 4 and the cylinder head 5 also is difficult for regulating, thereby causes reducing the deleterious of radiated noise.
[model utility content]
The purpose of this utility model is to provide a kind of can effectively reduce the vibration radiation of valve mechanism cover and the connection part of being convenient to install that is used to be connected engine cylinder cap and valve mechanism cover.
The purpose of this utility model is achieved in that this is used to connect the connection part of engine cylinder cap and valve mechanism cover, comprise bar portion, bounding means, resilient pad and thrust piece, bar portion is provided with screw thread, bounding means is solidly set on the outer wall of this bar portion, the resilient pad kink is on the outer wall of this bar portion, thrust piece and bar portion are wholely set, this thrust piece is positioned at the below of this bounding means, and this thrust piece is the radially protrusion along bar portion from the outer wall of this bar portion, resilient pad is between this thrust piece and bounding means, and screw thread is positioned at the below of this thrust piece and extends to this thrust piece from the end of this bar portion.
The axial cross section of described thrust piece is trapezoidal, square or triangle.
Also be provided with first pad of kink on bar portion outer wall between described resilient pad and the bounding means, this first pad covers this resilient pad.
Described bar portion is the bar portion of six flange bolts, and bounding means is the flange of this bolt, and resilient pad is between flanged surface and thrust piece.
Described bar portion is the bar portion of stud, and bounding means is the nuts and washers with the screw-thread fit of this stud one end, and resilient pad is between this packing ring and thrust piece.
Compared with prior art, the utlity model has following advantage: the 1) setting by thrust piece and resilient pad, stop when making screw thread be screwed to thrust piece contact cylinder head, make resilient pad have preferable elastic deformation amount, thereby can effectively reduce the vibration of valve mechanism cover, reduce the vibration radiation of motor; 2) be integrated between bounding means and the thrust piece owing to resilient pad, only need during installation that bolt is tightened to the thrust piece position and reach its optimum Working, install so this connection part is convenient, the artificial error that produces when preventing to install, simultaneously, because whole connection part can not be dismantled, reduced engine part quantity, reduce cost, also be convenient to management.
[description of drawings]
Fig. 1 is the structural drawing that the prior art bolt assembly connects valve mechanism cover and cylinder head.
Fig. 2 is the structural drawing of the utility model connection part.
Fig. 3 is the structural drawing when connecting valve mechanism cover and cylinder head with connection part of the present utility model.
[embodiment]
See also Fig. 2 and Fig. 3, the connection part 10 that the utility model is used to connect engine cylinder cap 12 and valve mechanism cover 11 comprises bar portion 14, bounding means 6, gasket assembly 7,8 and thrust piece 9.Bar portion 14 is provided with screw thread 16, this screw thread 16 is in order to screw in the tapped hole of offering on the cylinder head 12, bounding means 6 is solidly set on the outer wall of this bar portion 14, gasket assembly 7,8 kinks are on the outer wall of this bar portion 14, thrust piece 9 and bar portion 14 are for being wholely set, it is positioned at the below of this bounding means 6, and certainly the outer wall of this bar portion 14 along the radially protrusion of bar portion 14, gasket assembly 7,8 is between this thrust piece 9 and bounding means 6, thrust piece 9 is provided with thrust surface towards a side of screw thread 16, and screw thread 16 is positioned at the below of this thrust surface and extends to this thrust surface from the end of this bar portion 14.In the present embodiment, this connection part comprises six flange bolts, gasket assembly 7,8 and thrust boss 9.This thrust boss 9 extends from the outside one of the outer wall of this bolt shank 14, and bar portion is the bar portion 14 of these six flange bolts, and bounding means 6 is the flange 6 of this bolt, and thrust piece is this thrust boss 9.This gasket assembly comprises that first pad 7 and second pad, 8, the first pads are metal material, and it roughly becomes bowl-type, comprises that matrix 71 reaches the extension part 72 from the downward bending of periphery of matrix 71.Second pad 8 is a rubber-like rubber material, and the extension part 72 of first pad 7 covers second pad 8.Because first, second pad 7,8 is integrated between the flanged surface and thrust boss of bolt, is difficult for taking out, thereby makes bolt, thrust boss and gasket assembly form whole assembly.
During assembling, be provided with valve mechanism cover sealing gasket 13 between the attachment face of valve mechanism cover 11 and cylinder head 12, the bar portion 14 of bolt passes valve mechanism cover 11 and is screwed into cylinder head 12, when bolt tightens to thrust boss 9, bolt can not continue down to tighten, at this moment, rubber second pad, 8 compressive strains and push down the upper surface of valve mechanism cover 11.In assembling process, second pad, 8 compacted degree must be appropriate, and both not too pine was tight too to make valve mechanism cover sealing gasket 13, if too pine meeting leakage of oil too tightly then can make the noise reduction variation.Because the effect of thrust boss 9 makes the degree of tightness of valve mechanism cover sealing gasket 13 moderate, effectively cut off the vibration of transmitting from body, prevent that noise from leaking from periphery, the engine noise that annex is brought reduces to minimum.In the present embodiment, the tightness of valve mechanism cover sealing gasket 13 is directly by the decision of the decrement of rubber second pad, the decrement of rubber second pad 8 then is by the flanged surface of bolt and the distance between the thrust boss 9 when design, and the decision of the size of metal first pad 7 and rubber second pad 8.In addition, because the decrement of rubber second pad 8 has been taken into account during design, therefore only need when valve mechanism cover bolt 14 is installed that it is tightened to the position that makes thrust boss 9 withstand cylinder head 12 and get final product, this moment, rubber second pad 8 reached the design decrement, was in optimum Working.Because bowl-type first pad 7 fastens rubber second pad 8,, reach best work effect so lateral deformation can prevent that second pad 8 is compressed the time guarantees that second pad 8 has enough elasticity in bolt 14 bar portion directions.In the present embodiment, can regulate the decrement of rubber sheet gasket and the tightness of control cylinder housing sealing gasket 13 by the relative dimensions of adjusting valve mechanism cover vibration isolation connection part.
In the present embodiment, the axial cross section of this thrust boss 9 not only can also can comprise rectangle, triangle etc. for other any type of shape for trapezoidal.Simultaneously, the position of thrust boss 9 also can according to the distance between the attachment face of cylinder head cover 11 and cylinder head 12 and when design needs the decrement of rubber second pad 8 adjust, purpose is to make bolt rubber second pad 8 when tightening to thrust boss 9 reach best decrement, produce suitable elastic force, the installation tightness of control part is to reach best vibration isolation oil sealing effect.
Claims (5)
1. connection part that is used to connect engine cylinder cap and valve mechanism cover, comprise bar portion, bounding means and resilient pad, bar portion is provided with screw thread, bounding means is solidly set on the outer wall of this bar portion, the resilient pad kink is on the outer wall of this bar portion, it is characterized in that: also comprise the thrust piece that is wholely set with bar portion, this thrust piece is positioned at the below of this bounding means, and this thrust piece is the radially protrusion along bar portion from the outer wall of this bar portion, resilient pad is between this thrust piece and bounding means, and screw thread is positioned at the below of this thrust piece and extends to this thrust piece from the end of this bar portion.
2. the connection part that is used to connect engine cylinder cap and valve mechanism cover as claimed in claim 1 is characterized in that: the axial cross section of described thrust piece is trapezoidal, square or triangle.
3. the connection part that is used to connect engine cylinder cap and valve mechanism cover as claimed in claim 1 is characterized in that: also be provided with first pad of kink on bar portion outer wall between described resilient pad and the bounding means, this first pad covers this resilient pad.
4. as any described connection part that is used to connect engine cylinder cap and valve mechanism cover among the claim 1-3, it is characterized in that: described bar portion is the bar portion of six flange bolts, bounding means is the flange of this bolt, and resilient pad is between flanged surface and thrust piece.
5. as any described connection part that is used to connect engine cylinder cap and valve mechanism cover among the claim 1-3, it is characterized in that: described bar portion is the bar portion of stud, bounding means is the nuts and washers with the screw-thread fit of this stud one end, and resilient pad is between this packing ring and thrust piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035235 CN2823642Y (en) | 2005-08-17 | 2005-08-17 | Jointing assembly for jointing engine cylinder head and cylinder head cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035235 CN2823642Y (en) | 2005-08-17 | 2005-08-17 | Jointing assembly for jointing engine cylinder head and cylinder head cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2823642Y true CN2823642Y (en) | 2006-10-04 |
Family
ID=37032755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520035235 Expired - Lifetime CN2823642Y (en) | 2005-08-17 | 2005-08-17 | Jointing assembly for jointing engine cylinder head and cylinder head cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2823642Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423275A (en) * | 2012-05-14 | 2013-12-04 | 安徽华菱汽车有限公司 | Engine, cylinder head housing and fixing device |
| CN103511429A (en) * | 2012-06-21 | 2014-01-15 | 昆山神昌精密金属制品有限公司 | Stud |
| CN104315305A (en) * | 2014-10-30 | 2015-01-28 | 中国北车集团大连机车研究所有限公司 | Anti-vibration flexible structure for connection of booster foot and diesel booster mount |
| CN104358875A (en) * | 2014-10-02 | 2015-02-18 | 广西玉柴机器股份有限公司 | High-efficient sealing cylinder head cover gasket |
| CN107829797A (en) * | 2017-11-02 | 2018-03-23 | 广西玉柴机器股份有限公司 | Oil sump attachment means |
| CN108223537A (en) * | 2017-12-28 | 2018-06-29 | 国网河北省电力有限公司衡水市桃城区供电分公司 | A kind of fixed structure of power equipment casing metal plate assembling |
| CN109442000A (en) * | 2018-12-19 | 2019-03-08 | 江苏晟楠电子科技股份有限公司 | A kind of rubber vibration isolation device |
| CN109772764A (en) * | 2019-03-29 | 2019-05-21 | 合肥美亚光电技术股份有限公司 | Cleaning device and color selector |
| CN111134549A (en) * | 2020-01-07 | 2020-05-12 | 广东美的厨房电器制造有限公司 | Adjusting device and cooking utensil |
| CN111706589A (en) * | 2020-05-15 | 2020-09-25 | 江苏永昊高强度螺栓有限公司 | Anti-seismic bolt |
| WO2020253218A1 (en) * | 2019-06-21 | 2020-12-24 | 钟建斌 | Connection structure between cylinder head cover and cylinder head |
| CN112128199A (en) * | 2019-06-24 | 2020-12-25 | 施耐德电器工业公司 | Electrical enclosure with attachment panel |
-
2005
- 2005-08-17 CN CN 200520035235 patent/CN2823642Y/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423275A (en) * | 2012-05-14 | 2013-12-04 | 安徽华菱汽车有限公司 | Engine, cylinder head housing and fixing device |
| CN103423275B (en) * | 2012-05-14 | 2016-10-05 | 安徽华菱汽车有限公司 | Engine, cylinder cover enclosure and fixing device |
| CN103511429A (en) * | 2012-06-21 | 2014-01-15 | 昆山神昌精密金属制品有限公司 | Stud |
| CN104358875A (en) * | 2014-10-02 | 2015-02-18 | 广西玉柴机器股份有限公司 | High-efficient sealing cylinder head cover gasket |
| CN104315305A (en) * | 2014-10-30 | 2015-01-28 | 中国北车集团大连机车研究所有限公司 | Anti-vibration flexible structure for connection of booster foot and diesel booster mount |
| CN107829797A (en) * | 2017-11-02 | 2018-03-23 | 广西玉柴机器股份有限公司 | Oil sump attachment means |
| CN108223537A (en) * | 2017-12-28 | 2018-06-29 | 国网河北省电力有限公司衡水市桃城区供电分公司 | A kind of fixed structure of power equipment casing metal plate assembling |
| CN109442000A (en) * | 2018-12-19 | 2019-03-08 | 江苏晟楠电子科技股份有限公司 | A kind of rubber vibration isolation device |
| CN109772764A (en) * | 2019-03-29 | 2019-05-21 | 合肥美亚光电技术股份有限公司 | Cleaning device and color selector |
| CN109772764B (en) * | 2019-03-29 | 2024-04-12 | 合肥美亚光电技术股份有限公司 | Cleaning device and color sorter |
| WO2020253218A1 (en) * | 2019-06-21 | 2020-12-24 | 钟建斌 | Connection structure between cylinder head cover and cylinder head |
| CN112128199A (en) * | 2019-06-24 | 2020-12-25 | 施耐德电器工业公司 | Electrical enclosure with attachment panel |
| CN112128199B (en) * | 2019-06-24 | 2024-05-31 | 施耐德电器工业公司 | Electrical enclosure with attachment panel |
| CN111134549A (en) * | 2020-01-07 | 2020-05-12 | 广东美的厨房电器制造有限公司 | Adjusting device and cooking utensil |
| CN111706589A (en) * | 2020-05-15 | 2020-09-25 | 江苏永昊高强度螺栓有限公司 | Anti-seismic bolt |
| CN111706589B (en) * | 2020-05-15 | 2021-11-12 | 江苏永昊高强度螺栓有限公司 | Anti-seismic bolt |
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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 |
Expiration termination date: 20150817 Granted publication date: 20061004 |
|
| EXPY | Termination of patent right or utility model |