CN207847798U - A kind of corrosion resistant valve-chamber cover gasket - Google Patents
A kind of corrosion resistant valve-chamber cover gasket Download PDFInfo
- Publication number
- CN207847798U CN207847798U CN201820211247.1U CN201820211247U CN207847798U CN 207847798 U CN207847798 U CN 207847798U CN 201820211247 U CN201820211247 U CN 201820211247U CN 207847798 U CN207847798 U CN 207847798U
- Authority
- CN
- China
- Prior art keywords
- gasket
- chamber cover
- valve
- corrosion resistant
- sealing
- 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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Abstract
The utility model discloses a kind of corrosion resistant valve-chamber cover gaskets, including valve-chamber cover shim body, fixed groove is equipped in the valve-chamber cover shim body, the fixed groove bottom is equipped with multiple No.1 mounting holes, elastic sealing gasket is equipped in the fixing groove, the elastic sealing gasket upper end is equipped with support gasket, and the support gasket upper end is equipped with anticorrosion gasket.The double-layer sealing structure of valve-chamber cover shim body, No.1 Gask-O-Seal composition that the utility model is added, can effectively ensure the sealing performance of gasket, meanwhile, the anticorrosion gasket of addition can cross the antiseptic property for ensureing gasket；The support gasket of addition can ensure that because external force is excessive lateral deformation will not occur for gasket, to ensure that sealing performance, the elastic sealing gasket of addition can ensure the elasticity of gasket for a long time, to improve the sealing performance of sealing strip.
Description
Technical field
The utility model is related to engine component technical field more particularly to a kind of corrosion resistant valve-chamber cover gaskets.
Background technology
Cavaera Cover Gasket is the part for preventing foul, water from entering cylinder head, the structure letter of existing cavaera Cover Gasket
Single, gasket area is bigger, and forced area is big, and pressing force is small, to influence its sealing performance performance, cannot meet use and want
It asks.
Through retrieval, utility model Authorization Notice No. is that CN203547961U discloses a kind of valve-chamber cover gasket construction, is wrapped
It has included and manufactured shim body is superimposed using Duplex plating zine plate, two air inlets and distribution are provided in the middle part of the shim body
Have a pressurized hole being close on the outside of air inlet, the edge of the shim body is distributed with mounting hole and location hole, described two into
Connecting rib is equipped between gas port, the connecting rib is tower structure, and middle part is equipped with cavity, the edge of the shim body
Punishment is furnished with rubber flange.
Existing corrosion resistant valve-chamber cover gasket largely uses single material one-pass molding, but sealing performance is less
It is good, it usually will appear local fracture, when usage time is longer, elasticity has larger reduction, influences its sealing performance, present needle
A kind of corrosion resistant valve-chamber cover gasket is designed to problem above.
Utility model content
The purpose of this utility model is to provide a kind of corrosion resistant valve-chamber cover gasket, has multi-layer sealing structure, close
It is good to seal effect, while having the advantages that good elasticity again, solves existing corrosion resistant valve-chamber cover gasket and largely uses
Single material one-pass molding, but sealing performance is not so good, usually will appear local fracture, when usage time is longer, elastic meeting
The problem of having larger reduction, influencing its sealing performance.
According to a kind of corrosion resistant valve-chamber cover gasket of the utility model embodiment, including valve-chamber cover shim body,
Fixed groove is equipped in the valve-chamber cover shim body, the fixed groove bottom is equipped with multiple No.1 mounting holes, described solid
Determine to be equipped with elastic sealing gasket in slot, the elastic sealing gasket upper end is equipped with support gasket, and the support gasket upper end is equipped with
Anticorrosion gasket, the fixed groove top left and right sides are equipped with annular stop ring, valve-chamber cover shim body upper end
Face is set there are two No.1 Gask-O-Seal, sets that there are four spark plug sealing ring, the fire in the middle part of the valve-chamber cover shim body
Flower plug sealing ring is connected by connection strap.
Further, the elastic sealing gasket above the No.1 mounting hole is equipped with No. two mounting holes.
Further, the support gasket above the No.1 mounting hole is equipped with No. three mounting holes.
Further, the anticorrosion gasket above the No.1 mounting hole is equipped with No. four mounting holes.
Further, anticorrosion gasket upper end is set there are two No. two Gask-O-Seals, No. two ring packings
The cross section of pad is semicircle.
Further, the cross section of the No.1 Gask-O-Seal is triangle.
The utility model has an advantageous effect in that compared with prior art：
1. the double-layer sealing structure of the No.1 Gask-O-Seal and valve-chamber cover shim body composition by addition, can be effective
Guarantee gasket sealing performance, meanwhile, the anticorrosion gasket of addition, can cross ensure gasket antiseptic property；It is added
Gasket is supported, can ensure that because external force is excessive lateral deformation will not occur for gasket, to ensure sealing performance, addition
Elastic sealing gasket can ensure the elasticity of gasket for a long time, to improve the sealing performance of sealing strip；
2. the No.1 Gask-O-Seal being added, No. two Gask-O-Seals, using two No.1 Gask-O-Seals, and cross section
For triangle, local stress can be increased so that the power bigger of contact site uses two so that sealing performance is more preferable
A No. two Gask-O-Seals, and cross section is semicircle, and pressure can be made in a certain range, can be had more in sealing contact
Area, to increase the time of sealing.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 be the utility model proposes a kind of corrosion resistant valve-chamber cover gasket structural schematic diagram；
Fig. 2 is the schematic cross-sectional view of the A-A in Fig. 1.
In figure：1- valve-chamber covers shim body, 101- fixed grooves, 102- annular stops ring, 103- No.1s mounting hole,
104- No.1s Gask-O-Seal, 2- anticorrosions gasket, No. bis- Gask-O-Seals of 201-, No. tetra- mounting holes of 202-, 3- supports are close
Packing, No. tri- mounting holes of 301-, 4- elastic sealing gaskets, No. bis- mounting holes of 401-, 5- sparks plug sealing ring, 6- connection straps.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig.1-2, a kind of corrosion resistant valve-chamber cover gasket, including valve-chamber cover shim body 1, valve-chamber cover gasket
Fixed groove 101 is equipped in ontology 1,101 bottom of fixed groove is equipped with multiple No.1 mounting holes 103, bullet is equipped in fixing groove 101
Property gasket 4,4 upper end of elastic sealing gasket be equipped with support gasket 3, support gasket 3 select copper product made by so that support
Gasket has good corrosion resistance, while also having support function, and 3 upper end of support gasket is equipped with anticorrosion gasket
2, it is equipped with annular stop ring 102 at left and right sides of 101 top of fixed groove, 1 upper surface of valve-chamber cover shim body sets that there are two one
Number Gask-O-Seal 104,1 middle part of valve-chamber cover shim body are set there are four spark plug sealing ring 5, and spark plug sealing ring 5 passes through
Connection strap 6 is connected.
The elastic sealing gasket 4 of 103 top of No.1 mounting hole is equipped with No. two mounting holes 401；103 top of No.1 mounting hole
Gasket 3 is supported to be equipped with No. three mounting holes 301；The anticorrosion gasket 2 of 103 top of No.1 mounting hole is equipped with No. four fixations
Hole 202；2 upper end of anticorrosion gasket is set there are two No. two Gask-O-Seals 201, and the cross section of No. two Gask-O-Seals 201 is
It is semicircle；The cross section of No.1 Gask-O-Seal 104 is triangle.
In use, first by 4 fixed groove 101 of elastic sealing gasket, then support gasket 3 is put into fixed groove 101,
Anticorrosion gasket 2 is put into fixed groove 101 again later, while annular stop ring 102 is limited anticorrosion gasket 2
Position, is finally installed to designated position by valve-chamber cover shim body 1；The valve-chamber cover shim body 1 of addition, No.1 ring packing
The double-layer sealing structure that pad 104 forms, can effectively ensure the sealing performance of gasket, meanwhile, the anticorrosion gasket 2 of addition,
The antiseptic property for ensureing gasket can be crossed；The support gasket 3 of addition can ensure that gasket will not occur because external force is excessive
Lateral deformation, to ensure that sealing performance, the elastic sealing gasket 4 of addition can ensure the elasticity of gasket for a long time, to
Improve the sealing performance of sealing strip；104, No. two Gask-O-Seals 201 of No.1 Gask-O-Seal of addition, use two No.1 rings
Shape gasket 104, and cross section is triangle, can increase local stress so that the power bigger of contact site, so that
Sealing performance is more preferable, and using two No. two Gask-O-Seals 201, and cross section is semicircle, and pressure can be made in certain model
It encloses, can there is more area in sealing contact, to extend the time of sealing.
Place is not described in detail for the utility model, is the known technology of those skilled in the art.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of corrosion resistant valve-chamber cover gasket, it is characterised in that：Including valve-chamber cover shim body（1）, the cavaera
Lid gasket ontology（1）It is interior to be equipped with fixed groove（101）, the fixed groove（101）Bottom is equipped with multiple No.1 mounting holes
（103）, the fixed groove（101）It is interior to be equipped with elastic sealing gasket（4）, the elastic sealing gasket（4）Upper end is equipped with support and seals
Pad（3）, the support gasket（3）Upper end is equipped with anticorrosion gasket（2）, the fixed groove（101）At left and right sides of top
Equipped with annular stop ring（102）, the valve-chamber cover shim body（1）Upper surface is set there are two No.1 Gask-O-Seal（104）,
The valve-chamber cover shim body（1）Middle part is set there are four spark plug sealing ring（5）, the spark plug sealing ring（5）Pass through company
Narrow bars（6）It is connected.
2. a kind of corrosion resistant valve-chamber cover gasket according to claim 1, it is characterised in that：The No.1 mounting hole
（103）The elastic sealing gasket of top（4）It is equipped with No. two mounting holes（401）.
3. a kind of corrosion resistant valve-chamber cover gasket according to claim 1, it is characterised in that：The No.1 mounting hole
（103）The support gasket of top（3）It is equipped with No. three mounting holes（301）.
4. a kind of corrosion resistant valve-chamber cover gasket according to claim 1, it is characterised in that：The No.1 mounting hole
（103）The anticorrosion gasket of top（2）It is equipped with No. four mounting holes（202）.
5. a kind of corrosion resistant valve-chamber cover gasket according to claim 1, it is characterised in that：The anticorrosion gasket
（2）Upper end is set there are two No. two Gask-O-Seals（201）, No. two Gask-O-Seals（201）Cross section be semicircle.
6. a kind of corrosion resistant valve-chamber cover gasket according to claim 1, it is characterised in that：The No.1 ring packing
Pad（104）Cross section be triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820211247.1U CN207847798U (en) | 2018-02-07 | 2018-02-07 | A kind of corrosion resistant valve-chamber cover gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820211247.1U CN207847798U (en) | 2018-02-07 | 2018-02-07 | A kind of corrosion resistant valve-chamber cover gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207847798U true CN207847798U (en) | 2018-09-11 |
Family
ID=63411772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820211247.1U Expired - Fee Related CN207847798U (en) | 2018-02-07 | 2018-02-07 | A kind of corrosion resistant valve-chamber cover gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207847798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3839242A1 (en) * | 2019-12-20 | 2021-06-23 | Kubota Corporation | Spark ignition engine |
-
2018
- 2018-02-07 CN CN201820211247.1U patent/CN207847798U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3839242A1 (en) * | 2019-12-20 | 2021-06-23 | Kubota Corporation | Spark ignition engine |
| US11274627B2 (en) | 2019-12-20 | 2022-03-15 | Kubota Corporation | Spark ignition engine |
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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: 20180911 Termination date: 20200207 |