CN208587203U - A kind of new automobile valve oil seal - Google Patents
A kind of new automobile valve oil seal Download PDFInfo
- Publication number
- CN208587203U CN208587203U CN201821067246.0U CN201821067246U CN208587203U CN 208587203 U CN208587203 U CN 208587203U CN 201821067246 U CN201821067246 U CN 201821067246U CN 208587203 U CN208587203 U CN 208587203U
- Authority
- CN
- China
- Prior art keywords
- shell
- new automobile
- oil seal
- lip
- metallic framework
- 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 - Fee Related
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- Check Valves (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses a kind of new automobile valve oil seals, including shell, the lower end of the shell is fixedly installed with along cap, and the upper surface middle position of shell is provided with oil sealing diameter mouth, the outer surface of the shell offers annular groove at the position on top, self-tightening spring is embedded in the annular groove, the shell is internally provided with metallic framework, and rubber bodies are provided with around the oil sealing diameter mouth of on the two sides inner wall of metallic framework and upper surface, corresponding two inside top end is provided with main lip along the vertical direction in the rubber bodies, and the lower position of the corresponding close metallic framework in two insides is provided with gas lip in rubber bodies.A kind of new automobile valve oil seal described in the utility model, sealing effect is good, and self-tightening spring provides stable radial force to keep main lip to contact with the elastic tight of valve stem, and leaf spring and connecting plate are used cooperatively, it offers convenience to using, brings better prospect of the application.
Description
Technical field
The utility model relates to valve oil seal field, in particular to a kind of new automobile valve oil seal.
Background technique
Valve oil seal is one kind of oil sealing, is generally formed by outer skeleton and fluorubber are co-vulcanized, the installation of oil sealing diameter oral area
There are self-tightening spring or steel wire, for the sealing of engine valve guide rod, valve oil seal can prevent machine oil from entering air inlet-outlet pipe, keep away
Exempt from machine oil loss, prevents the mixed gas and discharge exhaust gas leakage of gasoline and air, prevent engine motor oil from entering combustion chamber
Valve, oil sealing are one of the important parts of engine valve group, are in contact at high temperature with gasoline and machine oil, it is therefore desirable to use
Heat resistance and the excellent material of oil resistivity, are generally made by fluorubber；There is certain disadvantage when in use in existing valve oil seal
End, structure type is more traditional single, and only the frictional force by its inner wall and the outer wall of valve guide bushing is fixed, and compactness is poor,
And accessory is more when installing, and structure is complicated makes troubles to installation maintenance, certain influence is brought to the use of valve oil seal,
For this purpose, it is proposed that a kind of new automobile valve oil seal.
Utility model content
The main purpose of the utility model is to provide a kind of new automobile valve oil seals, can effectively solve background technique
The problems in.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of new automobile valve oil seal, including shell, the lower end of the shell is fixedly installed with along cap, and shell is upper
End face middle position is provided with oil sealing diameter mouth, and the outer surface of the shell offers annular groove at the position on top,
Self-tightening spring is embedded in the annular groove, the shell is internally provided with metallic framework, and in the two sides of metallic framework
Rubber bodies are provided with around the oil sealing diameter mouth of on wall and upper surface, corresponding two inside top end is vertically square in the rubber bodies
To being provided with main lip, and in rubber bodies, corresponding two inside close to the lower position of metallic framework is provided with gas lip, institute
It states and is provided with step lip positioned at the junction of gas lip and main lip on the inside of corresponding two in rubber bodies, the outer surface of the main lip is set
It is equipped with outer ring, is fixedly installed with flange at two side position of lower end of the metallic framework, and the bottom of flange is set close to side
It is equipped with No.1 connecting plate, the upper surface of the No.1 connecting plate is provided with No.1 leaf spring, and the bottom of the flange is close to another
Side is provided with No. two connecting plates, and the upper surface of No. two connecting plates is provided with No. two leaf springs.
Preferably, parallel equidistant is fixedly installed with convex ribs inside several groups on the inner wall of the oil sealing diameter mouth.
Preferably, the lower surface of the flange is opened up there are two rectangular slot, and No.1 connecting plate is set with No. two connecting plates
It is placed in corresponding rectangular slot.
Preferably, the main lip top is contacted with valve stem elastic tight, and main lip is slidably connected with valve stem, the master
Sublabial and valve guide bushing are interference fitted.
Preferably, the rubber bodies are glued by adhesive and metallic framework.
Preferably, the structure of the shell is the tubular structure of upper end opening and lower ending opening.
Compared with prior art, the utility model has the following beneficial effects: the new automobile valve oil seal, the valve oil
Envelope, main sublabial realize the static seal with valve guide bushing, and the dynamic sealing with valve stem is realized on top, and sealing effect is good, from
Tight spring provides stable radial force to keep main lip to contact with the elastic tight of valve stem, the cooperation of leaf spring and connecting plate
It uses, realizes valve oil seal with cylinder cap and quickly connect, and play cushioning effect, offer convenience to using, whole device structure
Simply, easy to operate, the effect used is more preferable relative to traditional approach.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of new automobile valve oil seal of the utility model；
Fig. 2 is local interior's topology view of shell in a kind of Fig. 1 of new automobile valve oil seal of the utility model；
Fig. 3 is the partial enlargement topology view in a kind of Fig. 2 of new automobile valve oil seal of the utility model at A.
In figure: 1, shell；2, along cap；3, oil sealing diameter mouth；4, self-tightening spring；5, annular groove；6, flange；7, metal bone
Frame；8, gas lip；9, step lip；10, internal convex ribs；11, rubber bodies；12, main lip；13, outer ring；14, No.1 leaf spring；15,
No.1 connecting plate；16, No. two leaf springs；17, No. two connecting plates.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figure 1-3, a kind of new automobile valve oil seal, including shell 1, the lower end of shell 1 are fixedly installed with along cap
2, and the upper surface middle position of shell 1 is provided with oil sealing diameter mouth 3, the outer surface of shell 1 opens up at the position on top
There is annular groove 5, self-tightening spring 4 is embedded in annular groove 5, shell 1 is internally provided with metallic framework 7, and metallic framework 7
Two sides inner wall on and upper surface oil sealing diameter mouth 3 around be provided with rubber bodies 11, corresponding two inside top in rubber bodies 11
Place is provided with main lip 12 along the vertical direction, and lower position of corresponding two inside close to metallic framework 7 in rubber bodies 11
It is provided with gas lip 8, corresponding two inside is located at gas lip 8 in rubber bodies 11 and the junction of main lip 12 is provided with step lip 9,
The outer surface of main lip 12 is provided with outer ring 13, is fixedly installed with flange 6, and flange 6 at two side position of lower end of metallic framework 7
Bottom side is provided with No.1 connecting plate 15, the upper surface of No.1 connecting plate 15 is provided with No.1 leaf spring 14, turns over
The bottom on side 6 is provided with No. two connecting plates 17 close to the other side, and the upper surface of No. two connecting plates 17 is provided with No. two steel plate bullets
Spring 16；
Parallel equidistant is fixedly installed with convex ribs 10 inside several groups on the inner wall of oil sealing diameter mouth 3；The lower surface of flange 6 opens up
There are two rectangular slots, and No.1 connecting plate 15 is set in corresponding rectangular slot with No. two connecting plates 17；Main 12 top of lip
It is contacted with valve stem elastic tight, and main lip 12 is slidably connected with valve stem, main 12 lower part of lip and valve guide bushing are interference fitted；Rubber
Colloid 11 is glued by adhesive and metallic framework 7；The structure of shell 1 is the tubular structure of upper end opening and lower ending opening.
It should be noted that the utility model is a kind of new automobile valve oil seal, structure is mainly by shell 1, oil sealing
Diameter mouth 3, self-tightening spring 4 are constituted with along cap 2, and shell 1 is mainly made of rubber bodies 11 and metallic framework 7, when in use, by gas
The lower mouth of door oil sealing is the lower mouth alignment valve guide bushing along cap 2, is secondly pressed down on hand or specific purpose tool, until metal
The flange 6 of 7 lower end two sides of skeleton and the flat face of cylinder cap touch, the connection of main lip 12 lower part and valve guide bushing of the valve oil seal
For interference fit, the static seal with valve guide bushing is realized, main 12 top of lip is contacted with valve stem elastic tight, is transported to high-frequency reciprocating
Dynamic valve stem is opposite to be slided, and is realized dynamic sealing, is stayed at the top of the step lip 9 of valve oil seal and gas lip 8 and valve guide bushing at this time
There is certain gap, complete assembly, self-tightening spring 4 is mounted in annular groove 5, to keep the elasticity of main lip 12 and valve stem tight
Contiguity touching provides stable radial force, and the valve oil seal is using No.1 leaf spring 14 and No.1 connecting plate 15 and No. two steel plate bullets
Spring 16 is used cooperatively with No. two connecting plates 17, is realized valve oil seal with cylinder cap and is quickly connect, and plays cushioning effect, to making
With offering convenience, the main lip 12 in 13 pairs of outer ring plays protective action, more practical.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of new automobile valve oil seal, including shell (1), it is characterised in that: the lower end of the shell (1) is fixedly installed with
Upper surface middle position along cap (2), and shell (1) is provided with oil sealing diameter mouth (3), and the outer surface of the shell (1) is close
It offers annular groove (5), is embedded with self-tightening spring (4) in the annular groove (5), the shell (1) at the position on top
Be internally provided with metallic framework (7), and on the two sides inner wall of metallic framework (7) and upper surface oil sealing diameter mouth (3) around be all provided with
It being equipped with rubber bodies (11), the upper corresponding two inside top end of rubber bodies (11) is provided with main lip (12) along the vertical direction,
And lower position of upper corresponding two inside of rubber bodies (11) close to metallic framework (7) is provided with gas lip (8), the rubber
The junction that upper corresponding two inside of body (11) is located at gas lip (8) and main lip (12) is provided with step lip (9), the main lip
(12) outer surface is provided with outer ring (13), is fixedly installed with flange at two side position of lower end of the metallic framework (7)
(6), and the bottom of flange (6) is provided with No.1 connecting plate (15) close to side, and the upper surface of the No.1 connecting plate (15) is set
It is equipped with No.1 leaf spring (14), the bottom of the flange (6) is provided with No. two connecting plates (17), and No. two companies close to the other side
The upper surface of fishplate bar (17) is provided with No. two leaf springs (16).
2. a kind of new automobile valve oil seal according to claim 1, it is characterised in that: the oil sealing diameter mouth (3) it is interior
Parallel equidistant is fixedly installed with convex ribs (10) inside several groups on wall.
3. a kind of new automobile valve oil seal according to claim 1, it is characterised in that: the lower surface of the flange (6)
Rectangular slot there are two opening up, and No.1 connecting plate (15) is set in corresponding rectangular slot with No. two connecting plates (17).
4. a kind of new automobile valve oil seal according to claim 1, it is characterised in that: main lip (12) top and gas
The contact of door rod elastic tight, and main lip (12) is slidably connected with valve stem, main lip (12) lower part is matched with valve guide bushing interference
It closes.
5. a kind of new automobile valve oil seal according to claim 1, it is characterised in that: the rubber bodies (11) pass through viscous
Mixture and metallic framework (7) are glued.
6. a kind of new automobile valve oil seal according to claim 1, it is characterised in that: the structure of the shell (1) is
The tubular structure of upper end opening and lower ending opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821067246.0U CN208587203U (en) | 2018-07-06 | 2018-07-06 | A kind of new automobile valve oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821067246.0U CN208587203U (en) | 2018-07-06 | 2018-07-06 | A kind of new automobile valve oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208587203U true CN208587203U (en) | 2019-03-08 |
Family
ID=65539518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821067246.0U Expired - Fee Related CN208587203U (en) | 2018-07-06 | 2018-07-06 | A kind of new automobile valve oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208587203U (en) |
-
2018
- 2018-07-06 CN CN201821067246.0U patent/CN208587203U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190308 Termination date: 20190706 |