CN202906198U - Oil and gas sealing structure for lower portion of spark plug - Google Patents
Oil and gas sealing structure for lower portion of spark plug Download PDFInfo
- Publication number
- CN202906198U CN202906198U CN 201220548401 CN201220548401U CN202906198U CN 202906198 U CN202906198 U CN 202906198U CN 201220548401 CN201220548401 CN 201220548401 CN 201220548401 U CN201220548401 U CN 201220548401U CN 202906198 U CN202906198 U CN 202906198U
- Authority
- CN
- China
- Prior art keywords
- spark plug
- seat ring
- oil
- holder ring
- 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
Links
- 238000007789 sealing Methods 0.000 title abstract description 11
- 238000010276 construction Methods 0.000 claims description 9
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
Images
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- Gasket Seals (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The utility model discloses an oil and gas sealing structure for the lower portion of a spark plug, comprising a lower housing, a sealing seat ring and a cylinder cover, wherein the lower end of the lower housing is connected with the sealing seat ring, the sealing seat ring is fixedly connected with the cylinder cover through the bolts of the left and right ends of the sealing seat ring, and the contact portions between the lower housing and the sealing seat ring are respectively and uniformly provided with a plurality of O-shaped sealing rings. The oil and gas sealing structure for the lower portion of a spark plug can resolve the technical problems of the prior art, and is good in sealing performance and can prevent oil and gas from entering the housing in the process of use, thereby ensuring the normal working of the spark plug, increasing the working efficiency and reducing the unnecessary waste; and is simple in structure and suitable for wide application within industry.
Description
Technical field
The utility model relates to a kind of spark plug, is specifically related to a kind of spark plug bottom oil gas hermetically-sealed construction.
Background technology
Existing spark plug in the course of the work, usually can because of sealing bad cause the oil outer air infiltration enter spark-plug body inner and can't allow the spark plug normal operation or or the problem such as inefficiency can appear, affected user's use.
The utility model content
The purpose of utility model: for addressing the above problem, the utility model provides a kind of spark plug bottom oil gas hermetically-sealed construction of good seal performance.
Technical scheme: for achieving the above object, the utility model adopts following technical scheme:
A kind of spark plug bottom oil gas hermetically-sealed construction, comprise lower encioser, seal holder ring and cylinder head, described lower encioser lower end is connected with seal holder ring, described seal holder ring by about the end bolt be fixedly connected with cylinder head, evenly be provided with many O RunddichtringOs on the contact site of described lower encioser and seal holder ring.
As optimization, described O RunddichtringO is O type rubber seal, and quantity is two.
As optimization, also fill up between described seal holder ring and the cylinder head and be provided with pad.
Beneficial effect: spark plug described in the utility model bottom oil gas hermetically-sealed construction in use, good seal performance, stop oil gas and entered enclosure interior, guaranteed that spark plug can work, increased operating efficiency, reduced unnecessary waste, the utility model is simple in structure, is fit to widely used within the industry.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of spark plug bottom oil gas hermetically-sealed construction as shown in Figure 1, comprise lower encioser 1, seal holder ring 2 and cylinder head 3, lower encioser 1 lower end is connected with seal holder ring 2, seal holder ring 2 by about the end bolt 4 be fixedly connected with cylinder head 3, evenly be provided with many O RunddichtringOs 5 on the contact site of lower encioser 1 and seal holder ring 2, O RunddichtringO 5 is O type rubber seal, and quantity is two, also fills up between seal holder ring 2 and the cylinder head 3 and is provided with pad 6.
Claims (3)
1. spark plug bottom oil gas hermetically-sealed construction, comprise lower encioser, seal holder ring and cylinder head, it is characterized in that: described lower encioser lower end is connected with seal holder ring, described seal holder ring by about the end bolt be fixedly connected with cylinder head, evenly be provided with many O RunddichtringOs on the contact site of described lower encioser and seal holder ring.
2. spark plug according to claim 1 bottom oil gas hermetically-sealed construction, it is characterized in that: described O RunddichtringO is O type rubber seal, and quantity is two.
3. spark plug according to claim 1 bottom oil gas hermetically-sealed construction is characterized in that: between described seal holder ring and the cylinder head also pad be provided with pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220548401 CN202906198U (en) | 2012-10-24 | 2012-10-24 | Oil and gas sealing structure for lower portion of spark plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220548401 CN202906198U (en) | 2012-10-24 | 2012-10-24 | Oil and gas sealing structure for lower portion of spark plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202906198U true CN202906198U (en) | 2013-04-24 |
Family
ID=48126824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220548401 Expired - Fee Related CN202906198U (en) | 2012-10-24 | 2012-10-24 | Oil and gas sealing structure for lower portion of spark plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202906198U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500310A (en) * | 2014-12-25 | 2015-04-08 | 重庆科克发动机技术有限公司 | Sealing structure for ignition plug |
-
2012
- 2012-10-24 CN CN 201220548401 patent/CN202906198U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500310A (en) * | 2014-12-25 | 2015-04-08 | 重庆科克发动机技术有限公司 | Sealing structure for ignition plug |
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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: 20130424 Termination date: 20141024 |
|
| EXPY | Termination of patent right or utility model |