CN205919033U - Coupling of good seal - Google Patents
Coupling of good seal Download PDFInfo
- Publication number
- CN205919033U CN205919033U CN201620783044.0U CN201620783044U CN205919033U CN 205919033 U CN205919033 U CN 205919033U CN 201620783044 U CN201620783044 U CN 201620783044U CN 205919033 U CN205919033 U CN 205919033U
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- taper surface
- nut body
- pipe joint
- loose 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 coupling of good seal, including coupling body, loose joint nut body, first sealing washer, second sealing washer, taper surface and inclined plane, be equipped with the taper surface on the coupling body, be equipped with a set of connecting thread face on the taper surface, connecting thread personally submits ladder - like distribution on the outer wall of coupling body, the inner wall of loose joint nut body is equipped with the screw thread with connecting thread face matched with, the inner wall of loose joint nut body is equipped with the inclined plane, the inclined plane cooperatees with the taper surface, be equipped with first sealing washer on the loose joint nut body, the inner wall and the taper surface of first sealing washer contact, the lateral wall of second sealing washer and the terminal surface of coupling body contact, have improved the leakproofness of being connected that connects in the use with the pipe, avoid the connected system to take place the leakage problem.
Description
[technical field]
This utility model is related to connector field, particularly a kind of pipe joint of good seal.
[background technology]
Pipe joint is connecting line or pipeline is contained in part on Hydraulic Elements in hydraulic system, is a kind of to lead in fluid
The connector of Lu Zhongneng assembly and disassembly, when using, the one end with locking nut is used for being detachably connected with machinery equipment, the other end
For being inserted in pipe.Existing pipe joint often occurs the phenomenon of leakage in use, it is proposed that a kind of sealing is good
Good pipe joint.
[utility model content]
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of pipe joint of good seal, profit
With the tight fit of taper surface and sealing ring, improve the connection sealing in use with pipe for the joint, it is to avoid connect system
There is leakage problem in system.
For achieving the above object, the utility model proposes a kind of pipe joint of good seal, including pipe joint body, work
Connected nut body, the first sealing ring, the second sealing ring, taper surface and inclined-plane, described pipe joint body be provided with taper surface, institute
State taper surface and be provided with one group of connection screw thread face, described connection screw thread face is stepped to be distributed on the outer wall of pipe joint body,
The inwall of described loose joint nut body is provided with the screw thread matching with connection screw thread face, and the inwall of described loose joint nut body is provided with
Inclined-plane, described inclined-plane is matched with taper surface, and described loose joint nut body is provided with the first sealing ring, described first sealing ring
Inwall is contacted with taper surface, and the side wall of described second sealing ring is contacted with the end face of pipe joint body.
Preferably, being provided with mounting groove in described loose joint nut body, described sealing ring is inlaid in mounting groove, described
The side wall of one sealing ring is contacted with the shaft shoulder of loose joint nut body.
Preferably, the cross section on described inclined-plane is 15～30 degree with the angle of horizontal plane.
Preferably, described pipe joint is originally provided with o shape sealing ring in vivo.
The beneficial effects of the utility model: this utility model passes through pipe joint body, loose joint nut body, the first sealing
The cooperation on circle, the second sealing ring, taper surface and inclined-plane etc., taper surface is in close contact with sealing ring, the shaft shoulder of loose joint nut body
It is in close contact with sealing ring, improve the connection sealing in use with pipe for the joint, it is to avoid connection system leaks
Problem.
Feature of the present utility model and advantage will combine accompanying drawing by embodiment and be described in detail.
[brief description]
Fig. 1 is a kind of structural representation of the pipe joint of good seal of this utility model.
In figure: 1- pipe joint body, 2- loose joint nut body, 3- first sealing ring, 4- second sealing ring, 5- taper surface,
6- inclined-plane, 11- connection screw thread face, 12- end face, 13-o shape sealing ring, the 21- shaft shoulder, 22- mounting groove.
[specific embodiment]
Refering to Fig. 1, a kind of pipe joint of good seal of this utility model, including pipe joint body 1, loose joint nut body 2,
First sealing ring 3, the second sealing ring 4, taper surface 5 and inclined-plane 6, described pipe joint body 1 be provided with taper surface 5, described cone
Shape face 5 is provided with one group of connection screw thread face 11, the stepped outer wall being distributed in pipe joint body 1 in described connection screw thread face 11
On, the inwall of described loose joint nut body 2 is provided with the screw thread matching with connection screw thread face 11, described loose joint nut body 2
Inwall is provided with inclined-plane 6, and described inclined-plane 6 is matched with taper surface 5, and described loose joint nut body 2 is provided with the first sealing ring 3, institute
The inwall stating the first sealing ring 3 is contacted with taper surface 5, the side wall of described second sealing ring 4 and the end face 12 of pipe joint body 1
Contact.It is provided with mounting groove 22, described sealing ring 3 is inlaid in mounting groove 22, and described first is close in described loose joint nut body 2
The side wall of seal 3 is contacted with the shaft shoulder 21 of loose joint nut body 2.The described cross section on inclined-plane 6 and the angle of horizontal plane are 15
～30 degree.It is provided with o shape sealing ring 13 in described pipe joint body 1.
Utility model works process:
A kind of pipe joint of good seal of this utility model in the course of the work, by pipe 7 insertion tube joint body 1, then
Screw loose joint nut body 2, during screwing, end 12 pushes the second sealing ring 4 and extrudes loose joint nut body 2 forward,
Fit tightly in the junction of pipe 7, pipe joint body 1, loose joint nut body 2, in the stop of the shaft shoulder 21 and the driving of taper surface 5
Under effect, the first sealing ring 3 forms in the junction of pipe joint body 1, loose joint nut body 2 and fits tightly, and improves joint
Connection sealing with pipe in use, it is to avoid connection system occurs leakage problem.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any new to this practicality
Scheme after type simple transformation belongs to protection domain of the present utility model.
Claims (4)
1. a kind of pipe joint of good seal it is characterised in that: include pipe joint body (1), loose joint nut body (2), first
Sealing ring (3), the second sealing ring (4), taper surface (5) and inclined-plane (6), described pipe joint body (1) be provided with taper surface
(5), described taper surface (5) is provided with one group of connection screw thread face (11), and described connection screw thread face (11) is stepped to be distributed in pipe
On the outer wall of joint body (1), the inwall of described loose joint nut body (2) is provided with the spiral shell matching with connection screw thread face (11)
Stricture of vagina, the inwall of described loose joint nut body (2) is provided with inclined-plane (6), and described inclined-plane (6) is matched with taper surface (5), described loose joint
Nut body (2) is provided with the first sealing ring (3), and the inwall of described first sealing ring (3) is contacted with taper surface (5), described
The side wall of the second sealing ring (4) is contacted with the end face (12) of pipe joint body (1).
2. as claimed in claim 1 a kind of pipe joint of good seal it is characterised in that: in described loose joint nut body (2)
It is provided with mounting groove (22), described sealing ring (3) is inlaid in mounting groove (22), the side wall of described first sealing ring (3) and loose joint
The shaft shoulder (21) of nut body (2) contacts.
3. as claimed in claim 1 a kind of pipe joint of good seal it is characterised in that: the cross section of described inclined-plane (6) with
The angle of horizontal plane is 15～30 degree.
4. as claimed in claim 1 a kind of pipe joint of good seal it is characterised in that: set in described pipe joint body (1)
There is o shape sealing ring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620783044.0U CN205919033U (en) | 2016-07-21 | 2016-07-21 | Coupling of good seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620783044.0U CN205919033U (en) | 2016-07-21 | 2016-07-21 | Coupling of good seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205919033U true CN205919033U (en) | 2017-02-01 |
Family
ID=57872692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620783044.0U Expired - Fee Related CN205919033U (en) | 2016-07-21 | 2016-07-21 | Coupling of good seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205919033U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373069A (en) * | 2018-12-15 | 2019-02-22 | 中国二十二冶集团有限公司 | Metal spool quick coupling |
| CN110106959A (en) * | 2019-05-23 | 2019-08-09 | 孙如权 | A kind of building high level sewage generating mechanism |
-
2016
- 2016-07-21 CN CN201620783044.0U patent/CN205919033U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373069A (en) * | 2018-12-15 | 2019-02-22 | 中国二十二冶集团有限公司 | Metal spool quick coupling |
| CN110106959A (en) * | 2019-05-23 | 2019-08-09 | 孙如权 | A kind of building high level sewage generating mechanism |
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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: 20170201 Termination date: 20190721 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |