CN204692820U - A kind of gas pipe joint - Google Patents
A kind of gas pipe joint Download PDFInfo
- Publication number
- CN204692820U CN204692820U CN201520248826.XU CN201520248826U CN204692820U CN 204692820 U CN204692820 U CN 204692820U CN 201520248826 U CN201520248826 U CN 201520248826U CN 204692820 U CN204692820 U CN 204692820U
- Authority
- CN
- China
- Prior art keywords
- fittings body
- expansion tube
- sealing gasket
- props
- pipe joint
- 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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- Joints With Sleeves (AREA)
Abstract
The utility model discloses a kind of gas pipe joint, comprise first fittings body and the second fittings body of working in coordination and connecting, first fittings body front end is provided with expansion tube, first fittings body front end is provided with the first sealing gasket, expansion tube inwall is provided with some grooves, expansion tube front end is provided with the second sealing gasket, the 3rd sealing gasket is provided with in groove, 3rd sealing gasket inner end is provided with two symmetrical lip limits, the outer wall interference fit of lip limit and the second fittings body, the anterior outer wall of second fittings body is provided with flange, second fittings body front end props up the first fittings body front end, flange props up expansion tube front end, expansion tube spins nut, nut is provided with abutting part, abutting part props up flanged rear portion.Gas pipe joint sealing performance of the present utility model is good, and installing/dismounting is quick.
Description
Technical field
The utility model relates to pipe joint field, is specifically related to a kind of gas pipe joint.
Background technique
The fittings body position of existing gas pipe joint generally adopts screw-thread fit, and sealability is poor, and long-time use there will be gas leak phenomenon, is badly in need of improving.
Model utility content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and provide a kind of gas pipe joint, good seal performance, installing/dismounting is quick.
For achieving the above object, the technical solution of the utility model is: a kind of gas pipe joint, comprise first fittings body and the second fittings body of working in coordination and connecting, described first fittings body front end is provided with expansion tube, first fittings body front end is provided with the first sealing gasket, described expansion tube inwall is provided with some grooves, expansion tube front end is provided with the second sealing gasket, the 3rd sealing gasket is provided with in described groove, described 3rd sealing gasket inner end is provided with two symmetrical lip limits, the outer wall interference fit of described lip limit and the second fittings body, the anterior outer wall of described second fittings body is provided with flange, second fittings body front end props up the first fittings body front end, described flange props up expansion tube front end, described expansion tube spins nut, described nut is provided with abutting part, described abutting part props up flanged rear portion.
The beneficial effects of the utility model: formed multi-sealed by the first sealing gasket, the second sealing gasket and the 3rd sealing gasket, the 3rd sealing is lined with the multiple and two-way setting in lip limit, and overall sealing performance is very good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: the first fittings body 1, expansion tube 11, groove 12, second fittings body 2, flange 21, first sealing gasket 3, second sealing gasket 4, nut 5, abutting part 51, the 3rd sealing gasket 6, lip limit 61.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
As shown in Figure 1, a kind of gas pipe joint, comprise first fittings body 1 and second fittings body 2 of working in coordination and connecting, described first fittings body 1 front end is provided with expansion tube 11, the internal diameter of expansion tube 11 is greater than the internal diameter of the first fittings body 1, first fittings body 1 front end is provided with the first sealing gasket 3, described expansion tube 11 inwall is provided with some grooves 12, expansion tube 11 front end is provided with the second sealing gasket 4, the 3rd sealing gasket 6 is provided with in described groove 12, described 3rd sealing gasket 6 inner end is provided with two symmetrical lip limits 61, the outer wall interference fit of described lip limit 61 and the second fittings body 2, two way sealed can be carried out in two symmetrical lip limits 61.
The anterior outer wall of described second fittings body 2 is provided with flange 21, second fittings body 2 front end props up the first fittings body 1 front end, described flange 21 props up expansion tube 11 front end, described expansion tube 11 spins nut 5, described nut 5 is provided with abutting part 51, and described abutting part 51 props up flange 21 rearward end, can complete installation by screwing in nut 5 after the first fittings body 1 and the mutual grafting of the second fittings body 2, nut 5 inwall is provided with internal thread, and expansion tube 11 outer wall is provided with the outside thread matched with internal thread.
Gas pipe joint of the present utility model is formed multi-sealed by the first sealing gasket 3, second sealing gasket 4 and the 3rd sealing gasket 6, and the 3rd sealing gasket 6 has the multiple and two-way setting in lip limit 61, and overall sealing performance is very good.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.
Claims (1)
1. a gas pipe joint, comprise first fittings body (1) and the second fittings body (2) of working in coordination and connecting, it is characterized in that: described first fittings body (1) front end is provided with expansion tube (11), first fittings body (1) front end is provided with the first sealing gasket (3), described expansion tube (11) inwall is provided with some grooves (12), expansion tube (11) front end is provided with the second sealing gasket (4), the 3rd sealing gasket (6) is provided with in described groove (12), described 3rd sealing gasket (6) inner end is provided with two symmetrical lip limits (61), the outer wall interference fit of described lip limit (61) and the second fittings body (2), the anterior outer wall of described second fittings body (2) is provided with flange (21), second fittings body (2) front end props up the first fittings body (1) front end, described flange (21) props up expansion tube (11) front end, described expansion tube (11) spins nut (5), described nut (5) is provided with abutting part (51), described abutting part (51) props up flange (21) rearward end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520248826.XU CN204692820U (en) | 2015-04-23 | 2015-04-23 | A kind of gas pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520248826.XU CN204692820U (en) | 2015-04-23 | 2015-04-23 | A kind of gas pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204692820U true CN204692820U (en) | 2015-10-07 |
Family
ID=54233113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520248826.XU Expired - Fee Related CN204692820U (en) | 2015-04-23 | 2015-04-23 | A kind of gas pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204692820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623297A (en) * | 2020-12-10 | 2022-06-14 | 中国科学院微电子研究所 | Pipe fitting |
-
2015
- 2015-04-23 CN CN201520248826.XU patent/CN204692820U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623297A (en) * | 2020-12-10 | 2022-06-14 | 中国科学院微电子研究所 | Pipe fitting |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20160423 |