CN110344963A - A kind of floating type mounting structure of valve mechanism cover - Google Patents
A kind of floating type mounting structure of valve mechanism cover Download PDFInfo
- Publication number
- CN110344963A CN110344963A CN201910658122.2A CN201910658122A CN110344963A CN 110344963 A CN110344963 A CN 110344963A CN 201910658122 A CN201910658122 A CN 201910658122A CN 110344963 A CN110344963 A CN 110344963A
- Authority
- CN
- China
- Prior art keywords
- valve mechanism
- hole
- mechanism cover
- sealing ring
- wall
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 239000003921 oil Substances 0.000 claims description 20
- 239000010721 machine oil Substances 0.000 claims description 11
- 125000003003 spiro group Chemical group 0.000 claims description 5
- 238000000034 method Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F11/00—Arrangements of sealings in combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
- F02F7/0073—Adaptations for fitting the engine, e.g. front-plates or bell-housings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of floating type mounting structure of valve mechanism cover, including cylinder head and valve mechanism cover, valve mechanism cover lower end forms flanging and bulge loop；Formed on the upper transverse plane of cylinder head it is fluted, bulge loop sleeve groove and bulge loop can float up and down in groove, there are gaps between flanging and upper transverse plane.The present invention can effectively reduce noise by the way that there are certain intervals between valve mechanism cover and cylinder head；And cylinder head cover sealing gasket is replaced by the first sealing ring and the second sealing ring dual-seal, Leakage caused by both having avoided due to cylinder head cover sealing gasket deformation also strengthens leakproofness.
Description
Technical field
The present invention relates to valve mechanism cover technical fields, and in particular to a kind of floating type mounting structure of valve mechanism cover.
Background technique
Cylinder cover is the housing covered on engine cylinder body, and first and most basic function are to cover simultaneously sealing cylinder
Machine oil is maintained at internal by lid, while by contaminants such as dirt and moistures in outer；Second function of valve mechanism cover be by
Machine oil and air insulated.It will form mist of oil in the operation process of engine.The colder inner surface of valve mechanism cover assembles collection mist of oil,
It condenses machine oil and backs downward into machine oil shell.Valve mechanism cover also bears the responsibility of crankcase ventilation.When piston moves in the cylinder
When, engine interior can compact pressure.If ignored, this pressure can make each seal leakage, lead to engine efficiency
It reduces.It can be seen that the use occasion of cylinder head cover sealing gasket is complicated severe, using the connection side of traditional cylinder head and valve mechanism cover
Formula so that cylinder head cover sealing gasket is chronically at the severe situation of deformation, accelerate material ageing and cylinder head and valve mechanism cover it
Between noise it is big.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies of the prior art and provide a kind of floating type mounting structure of valve mechanism cover, it is logical
It crosses between valve mechanism cover and cylinder head that there are certain intervals, can effectively reduce noise；And pass through the first sealing ring and the second sealing
It encloses dual-seal and replaces cylinder head cover sealing gasket, Leakage caused by both having avoided due to cylinder head cover sealing gasket deformation,
Strengthen leakproofness.
The solution to the technical problem of the present invention is as follows:
A kind of floating type mounting structure of valve mechanism cover, including cylinder head and valve mechanism cover, the lower end of the valve mechanism cover at
Type has flanging, and downwardly convex bulge loop is formed on flanging；It is perforative that multiple up and down directions are formed on the flanging
Stepped hole；The groove matched with bulge loop is formed on the upper transverse plane of the cylinder head, bulge loop sleeve in groove, groove
The multiple and one-to-one threaded hole of stepped hole is formed on bottom surface；A lock-screw is socketed in each stepped hole,
The lock-screw includes that integrally formed spiro rod section, intermediate light section and hexagonal platform, the spiro rod section are screwed onto threaded hole, in
Between be socketed with axle envelope and disk spring in light section, disk spring is located at the top of axle envelope, and axle envelope sleeve is simultaneously fixed on stepped hole
In interstitial hole, the disk spring is clamped between hexagonal platform and the upside step surface of stepped hole；The valve mechanism cover is turned up
There are gap Ls between the bottom surface on side and the transverse plane of cylinder head；
First annular groove is formed on the outer wall of the bulge loop, and the first sealing ring is socketed in first annular groove, the
The outer wall of one sealing ring is pressed against on the lateral wall of groove；Second annular groove, the second ring are formed on the side wall of the groove
The second sealing ring is socketed in connected in star, the outer wall of the second sealing ring is pressed against on the inner sidewall of bulge loop；
Organic oil is filled in the oil pocket that the end portion of the bulge loop and groove is formed.
The inside of the lock-screw forms drive hole, the second threaded hole and adjustment hole, adjustment hole inner sleeve from top to bottom
It is connected to the adjusting cylinder with it to cooperation, adjusts in the second oil pocket of the end portion formation of cylinder and adjustment hole and is also filled with machine
Oil, the lower end of the adjustment hole form the oil-through-hole of connection oil pocket and the second oil pocket；The upper end for adjusting cylinder is pressed against
It adjusts on stud, adjusts stud and be screwed onto the second threaded hole, the upper extension end that adjusting stud extend into drive hole is fixed with six
Angle boss.
The upper end for adjusting cylinder forms dome, and dome is pressed against on the bottom surface for adjusting stud.
Third annular groove is formed on the lower end outer wall for adjusting cylinder, it is close to be socketed with third in third annular groove
The outer wall of seal, third sealing ring is pressed against on the inner wall of adjustment hole.
The gap L is less than 1mm.
The quantity of first sealing ring and the second sealing ring is all at two and more than two, two and two or more first
Sealing ring is evenly arranged on the lateral wall of bulge loop up and down, and two and more than two second sealing ring are evenly arranged on the inner sidewall of groove up and down
On.
Jump-ring slot is formed on the inner wall of the interstitial hole of the stepped hole, circlip is socketed in jump-ring slot, and the axle envelope is logical
Circlip is crossed to be fixed in the interstitial hole of stepped hole.
Protrusion effect of the invention is: compared with prior art, it is by the way that there are certain between valve mechanism cover and cylinder head
Gap can effectively reduce noise；And cylinder head cover sealing gasket is replaced by the first sealing ring and the second sealing ring dual-seal, both
Leakage caused by avoiding due to cylinder head cover sealing gasket deformation, also strengthens leakproofness.
Detailed description of the invention
Fig. 1 is top view of the invention；
Fig. 2 is cross-sectional view of the Fig. 1 about A-A；
Fig. 3 is cross-sectional view of the Fig. 2 about B-B；
Fig. 4 is partial enlarged view of the Fig. 2 about C.
Specific embodiment
Embodiment is shown in as shown in Figures 1 to 4, a kind of floating type mounting structure of valve mechanism cover, including cylinder head 1 and cylinder
Housing 2, the lower end of the valve mechanism cover 2 form flanging 21, and downwardly convex bulge loop 22 is formed on flanging 21；It is described
The perforative stepped hole 23 of multiple up and down directions is formed on flanging 21；Formed on the upper transverse plane 11 of the cylinder head 1 with
The groove 12 that bulge loop 22 matches, 22 sleeve of bulge loop form multiple and stepped hole 23 in groove 12 on the bottom surface of groove 12
One-to-one threaded hole 13；A lock-screw 5 is socketed in each stepped hole 23, the lock-screw 5 includes one
Body formed spiro rod section 51, intermediate light section 52 and hexagonal platform 53, the spiro rod section 51 are screwed onto threaded hole 13, intermediate light section 52
On be socketed with axle envelope 61 and disk spring 62, disk spring 62 is located at the top of axle envelope 61, and 61 sleeve of axle envelope is simultaneously fixed on step
In the interstitial hole in hole 23, the disk spring 62 is clamped between hexagonal platform 53 and the upside step surface of stepped hole 23；The gas
There are gap Ls between the bottom surface of the flanging 21 of cylinder head cover 2 and the transverse plane 11 of cylinder head 1；
First annular groove 24 is formed on the outer wall of the bulge loop 22, and the first sealing is socketed in first annular groove 24
Circle 63, the outer wall of the first sealing ring 63 is pressed against on the lateral wall of groove 12；The second ring is formed on the side wall of the groove 12
Connected in star 14 is socketed with the second sealing ring 64 in second annular groove 14, and the outer wall of the second sealing ring 64 is pressed against bulge loop 22
On inner sidewall；
Organic oil 4 is filled in the oil pocket 100 that the end portion of the bulge loop 22 and groove 12 is formed.
Further, the inside of the lock-screw 5 forms drive hole 54,55 and of the second threaded hole from top to bottom
Adjustment hole 56 is socketed with the adjusting cylinder 71 with it to cooperation in adjustment hole 56, adjusts the lower end of cylinder 71 and adjustment hole 56
Divide in the second oil pocket 101 formed and be also filled with machine oil 4, the lower end of the adjustment hole 56 forms connection oil pocket 100 and second
The oil-through-hole 57 of oil pocket 101；The upper end for adjusting cylinder 71, which is pressed against, to be adjusted on stud 72, is adjusted stud 72 and is screwed onto second
In threaded hole 55, the upper extension end that adjusting stud 72 extend into drive hole 54 is fixed with hexagonal boss 73.
Further, the upper end for adjusting cylinder 71 forms dome 712, and dome 712 is pressed against adjusting stud
On 72 bottom surface.
Further, third annular groove 711, third annular are formed on the lower end outer wall for adjusting cylinder 71
Third sealing ring 65 is socketed in groove 711, the outer wall of third sealing ring 65 is pressed against on the inner wall of adjustment hole 56.
Further, the gap L is less than 1mm.
Further, the quantity of first sealing ring 63 and the second sealing ring 64 is all at two and more than two,
Two and more than two first about 63 sealing ring are evenly arranged on the lateral wall of bulge loop 22, two and the second sealing ring of two or more
About 64 are evenly arranged on the inner sidewall of groove 12.
Further, jump-ring slot is formed on the inner wall of the interstitial hole of the stepped hole 23, is socketed in jump-ring slot
Circlip 66, the axle envelope 61 are fixed in the interstitial hole of stepped hole 23 by circlip 66.
Working principle: machine oil 4 provides a upward power flexible to the bulge loop 22 of valve mechanism cover 2, passes through lock-screw 5
A downward power flexible is provided with bulge loop 22 of the disk spring 62 to valve mechanism cover 2, to make valve mechanism cover and cylinder head
Floating connection；When the engine operates, the friction and vibration between valve mechanism cover and cylinder head can be reduced, can effectively reduce and make an uproar
Sound；Second, by the first sealing ring and the second sealing ring dual-seal, it can effectively ensure that the machine oil in cylinder cover will not leak into
Outside；Adjusting stud 72 by rotation can drive adjusting cylinder 71 to move down, and adjust cylinder 71 and move down the machine for driving the second oil pocket 102
Oil is expressed in the first oil pocket 100, and machine oil increases (further providing for a upward power) to the pressure of bulge loop 22, otherwise adjusts
Segmented column body 71 moves up, and machine oil then reduces the pressure of bulge loop, to adjust the binding force between valve mechanism cover and cylinder head.
Finally, the above embodiments are only used to illustrate the present invention, and not limitation of the present invention, related technical field
Those of ordinary skill can also make a variety of changes and modification without departing from the spirit and scope of the present invention, therefore
All equivalent technical solutions also belong to scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (7)
1. a kind of floating type mounting structure of valve mechanism cover, including cylinder head (1) and valve mechanism cover (2), it is characterised in that: the gas
The lower end of cylinder head cover (2) forms flanging (21), and downwardly convex bulge loop (22) are formed on flanging (21)；It is described to turn up
The perforative stepped hole of multiple up and down directions (23) is formed on side (21)；It is formed on the upper transverse plane (11) of the cylinder head (1)
There is the groove (12) matched with bulge loop (22), bulge loop (22) sleeve forms on the bottom surface of groove (12) in groove (12)
Multiple and stepped hole (23) one-to-one threaded hole (13)；A lock-screw is socketed in each stepped hole (23)
(5), the lock-screw (5) includes integrally formed spiro rod section (51), intermediate light section (52) and hexagonal platform (53), the screw rod
Section (51) is screwed onto threaded hole (13), is socketed with axle envelope (61) and disk spring (62), disk spring on intermediate light section (52)
(62) it is located at the top of axle envelope (61), axle envelope (61) sleeve is simultaneously fixed in the interstitial hole of stepped hole (23), the disk spring
(62) it is clamped between hexagonal platform (53) and the upside step surface of stepped hole (23)；The flanging (21) of the valve mechanism cover (2)
Bottom surface and cylinder head (1) transverse plane (11) between there are gap Ls；
It is formed first annular groove (24) on the outer wall of the bulge loop (22), it is close to be socketed with first in first annular groove (24)
The outer wall of seal (63), the first sealing ring (63) is pressed against on the lateral wall of groove (12)；On the side wall of the groove (12) at
Type has second annular groove (14), is socketed with the second sealing ring (64) in second annular groove (14), the second sealing ring (64)
Outer wall is pressed against on the inner sidewall of bulge loop (22)；
Organic oil (4) are filled in the oil pocket (100) that the end portion of the bulge loop (22) and groove (12) is formed.
2. the floating type mounting structure of a kind of valve mechanism cover according to claim 1, it is characterised in that: the lock-screw
(5) inside forms drive hole (54), the second threaded hole (55) and adjustment hole (56), socket in adjustment hole (56) from top to bottom
There is the adjusting cylinder (71) with it to cooperation, adjusts the second oil pocket that the end portion of cylinder (71) and adjustment hole (56) is formed
(101) it is also filled with machine oil (4) in, the lower end of the adjustment hole (56) forms connection oil pocket (100) and the second oil pocket (101)
Oil-through-hole (57)；The upper end for adjusting cylinder (71), which is pressed against, to be adjusted on stud (72), is adjusted stud (72) and is screwed onto the
In two threaded holes (55), the upper extension end that adjusting stud (72) extend into drive hole (54) is fixed with hexagonal boss (73).
3. the floating type mounting structure of a kind of valve mechanism cover according to claim 2, it is characterised in that: the adjusting cylinder
(71) upper end forms dome (712), and dome (712) is pressed against on the bottom surface for adjusting stud (72).
4. the floating type mounting structure of a kind of valve mechanism cover according to claim 2, it is characterised in that: the adjusting cylinder
(71) it is formed on lower end outer wall third annular groove (711), is socketed with third sealing ring in third annular groove (711)
(65), the outer wall of third sealing ring (65) is pressed against on the inner wall of adjustment hole (56).
5. the floating type mounting structure of a kind of valve mechanism cover according to claim 1, it is characterised in that: the gap L is less than
1mm。
6. the floating type mounting structure of a kind of valve mechanism cover according to claim 1, it is characterised in that: first sealing ring
(63) and the quantity of the second sealing ring (64) is all at two and more than two, and two and more than two first sealing rings (63) are up and down
It is evenly arranged on the lateral wall of bulge loop (22), two and more than two second sealing ring (64) are evenly arranged on the inside of groove (12) up and down
On wall.
7. the floating type mounting structure of a kind of valve mechanism cover according to claim 1, it is characterised in that: the stepped hole (23)
Interstitial hole inner wall on form jump-ring slot, be socketed in jump-ring slot circlip (66), the axle envelope (61) pass through circlip (66)
It is fixed in the interstitial hole of stepped hole (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910658122.2A CN110344963B (en) | 2019-07-20 | 2019-07-20 | Floating mounting structure of cylinder head cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910658122.2A CN110344963B (en) | 2019-07-20 | 2019-07-20 | Floating mounting structure of cylinder head cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110344963A true CN110344963A (en) | 2019-10-18 |
| CN110344963B CN110344963B (en) | 2020-10-27 |
Family
ID=68179545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910658122.2A Active CN110344963B (en) | 2019-07-20 | 2019-07-20 | Floating mounting structure of cylinder head cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110344963B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1201887A1 (en) * | 2000-10-30 | 2002-05-02 | Honda Giken Kogyo Kabushiki Kaisha | Engine head cover structure |
| JP2006348837A (en) * | 2005-06-15 | 2006-12-28 | Honda Motor Co Ltd | Cylinder head cover supporting structure |
| CN201297218Y (en) * | 2008-11-24 | 2009-08-26 | 浙江新柴股份有限公司 | Sealing part of diesel engine cylinder head cover |
| CN102182581A (en) * | 2011-05-14 | 2011-09-14 | 重庆长安汽车股份有限公司 | Gasoline engine cylinder head cover gasket for preventing engine oil upwelling |
| US20130133598A1 (en) * | 2011-11-25 | 2013-05-30 | Honda Motor Co., Ltd. | Auxiliary device mounting structure for an internal combustion engine |
| CN205089410U (en) * | 2015-10-10 | 2016-03-16 | 潍柴动力股份有限公司 | Exhaust brake fuel feeding structure |
| CN205172748U (en) * | 2015-10-31 | 2016-04-20 | 中国嘉陵工业股份有限公司（集团） | Lubricating oil access structure between cylinder head hood and cylinder head |
-
2019
- 2019-07-20 CN CN201910658122.2A patent/CN110344963B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1201887A1 (en) * | 2000-10-30 | 2002-05-02 | Honda Giken Kogyo Kabushiki Kaisha | Engine head cover structure |
| JP2006348837A (en) * | 2005-06-15 | 2006-12-28 | Honda Motor Co Ltd | Cylinder head cover supporting structure |
| CN201297218Y (en) * | 2008-11-24 | 2009-08-26 | 浙江新柴股份有限公司 | Sealing part of diesel engine cylinder head cover |
| CN102182581A (en) * | 2011-05-14 | 2011-09-14 | 重庆长安汽车股份有限公司 | Gasoline engine cylinder head cover gasket for preventing engine oil upwelling |
| US20130133598A1 (en) * | 2011-11-25 | 2013-05-30 | Honda Motor Co., Ltd. | Auxiliary device mounting structure for an internal combustion engine |
| CN205089410U (en) * | 2015-10-10 | 2016-03-16 | 潍柴动力股份有限公司 | Exhaust brake fuel feeding structure |
| CN205172748U (en) * | 2015-10-31 | 2016-04-20 | 中国嘉陵工业股份有限公司（集团） | Lubricating oil access structure between cylinder head hood and cylinder head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110344963B (en) | 2020-10-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Han Jian Inventor after: Xu Haideng Inventor after: Xu Haiyan Inventor before: Xu Haiyan |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200902 Address after: 325200 International Auto Parts Industrial Park, Ruian City, Wenzhou City, Zhejiang Province Applicant after: WENZHOU RUIMING INDUSTRIAL Co.,Ltd. Address before: 318050 six village, 14 District 27, Xinqiao village, Xinqiao Town, Luqiao District, Zhejiang, Taizhou Applicant before: Xu Haiyan |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Floating mounting structure of cylinder head cover Effective date of registration: 20211020 Granted publication date: 20201027 Pledgee: Industrial and Commercial Bank of China Limited Rui'an sub branch Pledgor: WENZHOU RUIMING INDUSTRIAL Co.,Ltd. Registration number: Y2021330001982 |
|
| PE01 | Entry into force 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: 20220519 Granted publication date: 20201027 Pledgee: Industrial and Commercial Bank of China Limited Rui'an sub branch Pledgor: WENZHOU RUIMING INDUSTRIAL Co.,Ltd. Registration number: Y2021330001982 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |