CN105972349A - Sealing pipe joint performing tight connection - Google Patents
Sealing pipe joint performing tight connection Download PDFInfo
- Publication number
- CN105972349A CN105972349A CN201610589324.2A CN201610589324A CN105972349A CN 105972349 A CN105972349 A CN 105972349A CN 201610589324 A CN201610589324 A CN 201610589324A CN 105972349 A CN105972349 A CN 105972349A
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- pipe joint
- adapter sleeve
- connection
- nut body
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/06—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a sealing pipe joint performing tight connection. The sealing pipe joint comprises a pipe joint body, a loose joint nut body, a first sealing ring, a connecting lip, an adapter sleeve and a second sealing ring. The outer wall of the pipe joint body is provided with a connection thread face, and the inner wall of the loose joint nut body is provided with a thread matched with the connection thread face. The loose joint nut body is internally provided with an installation groove, and the first sealing ring is embedded into the installation groove. The connecting lip is arranged on the end portion of the pipe joint body, and the cross section of the connecting lip is in an annular shape. The adapter sleeve is embedded into the bottom of the loose joint nut body. The adapter sleeve is matched with the connecting lip. The side wall of the second sealing ring is in contact with the end portion of the adapter sleeve. An O-shaped sealing ring is arranged in the pipe joint body. Connection looseness caused by vibration can be avoided, the connection sealing performance of the joint and a pipe is improved, and the problem that a connection system leaks is avoided.
Description
[technical field]
The present invention relates to connector field, a kind of sealed fitting connecting fastening.
[background technology]
Pipe joint is connecting line or the part that is contained on Hydraulic Elements by pipeline in hydraulic system, is a kind of existing
In fluid passage can the connector of mounting or dismounting, in use, have one end of locking nut for machinery equipment
Removably connecting, the other end is used for being inserted in pipe.Existing pipe joint is in use it is possible that let out
The phenomenon of dew, and owing to vibration causes connection to loosen phenomenon, it is proposed that a kind of sealing pipe connecting fastening
Joint.
[summary of the invention]
The purpose of the present invention solves the problems of the prior art exactly, proposes a kind of sealing pipe connecting fastening and connects
Head, utilizes adapter sleeve to reinforce the connection of pipe joint, it is to avoid vibration causes loosening of connection, and utilizes
Connection lip closely cooperates with sealing ring, improves the connection sealing of joint and pipe, it is to avoid connection system is sent out
Raw leakage problem.
For achieving the above object, the present invention proposes a kind of sealed fitting connecting fastening, including pipe joint
Body, loose joint nut body, the first sealing ring, connection lip, adapter sleeve and the second sealing ring, described pipe connects
The outer wall of head body is provided with connection flank, and the inwall of described loose joint nut body is provided with and is connected flank
The screw thread matched, is provided with mounting groove in described loose joint nut body, described first sealing ring is inlaid in installation
In groove, the end of described pipe joint body is provided with connection lip, and the cross sectional shape of described connection lip is circular,
Described adapter sleeve be inlaid in bottom loose joint nut body, described adapter sleeve matches with being connected lip, described
The sidewall of two sealing rings contacts with the end of adapter sleeve, and described pipe joint is the most internal is provided with O-ring seals.
As preferably, described adapter sleeve includes that location division, fastening part and installation cavity, described location division are provided with
Fastening part, described installation cavity is through location division and fastening part, and described fastening part is provided with guide end, described
Guide end be shaped as truncated cone-shaped, described fastening part offers several slots.
As preferably, described pipe joint body be provided with taper surface, the inwall of described first sealing ring and cone
Shape face contacts, and the sidewall of described first sealing ring contacts with the shaft shoulder of loose joint nut body.
As preferably, the inwall of described connection lip is provided with inclined-plane, the cross section on described inclined-plane and the folder of horizontal plane
Angle is 10～20 degree, and the inwall of described inclined-plane and the second sealing ring is in close contact.
Beneficial effects of the present invention: the present invention by pipe joint body, loose joint nut body, the first sealing ring,
Connect the cooperation of lip, adapter sleeve and the second sealing ring etc., utilize adapter sleeve that the connection of pipe joint is reinforced,
Avoid vibrating and cause loosening of connection, and utilize and connect closely cooperating of lip and sealing ring, improve joint and
The connection sealing of pipe, it is to avoid connection system generation leakage problem.
Inventive feature and advantage will combine accompanying drawing by embodiment and be described in detail.
[accompanying drawing explanation]
Fig. 1 is the structural representation of a kind of sealed fitting connecting fastening of the present invention；
Fig. 2 is the structural representation of the adapter sleeve of a kind of sealed fitting connecting fastening of the present invention.
In figure: 1-pipe joint body, 2-loose joint nut body, 3-the first sealing ring, 4-connection lip, 5-are tight
Gu set, 6-the second sealing ring, 11-connect flank, 12-taper surface, 13-O shape sealing ring, the 21-shaft shoulder,
22-mounting groove, 41-inclined-plane, 51-location division, 52-fastening part, 53-installation cavity, 521-guide end, 522-
Slot.
[detailed description of the invention]
Refering to Fig. 1 and Fig. 2, a kind of sealed fitting connecting fastening of the present invention, including pipe joint body 1,
Loose joint nut body the 2, first sealing ring 3, connection lip 4, adapter sleeve 5 and the second sealing ring 6, described pipe
The outer wall of joint body 1 is provided with connection flank 11, and the inwall of described loose joint nut body 2 is provided with and connects
Connect the screw thread that flank 11 matches, in described loose joint nut body 2, be provided with mounting groove 22, described first close
Seal 3 is inlaid in mounting groove 22, and the end of described pipe joint body 1 is provided with connection lip 4, described connection
The cross sectional shape of lip 4 is circular, described adapter sleeve 5 be inlaid in bottom loose joint nut body 2, described
Adapter sleeve 5 matches with being connected lip 4, and the described sidewall of the second sealing ring 6 connects with the end of adapter sleeve 5
Touch, in described pipe joint body 1, be provided with O-ring seals 13.Described adapter sleeve 5 includes location division 51, tight
Gu portion 52 and installation cavity 53, described location division 51 is provided with fastening part 52, described installation cavity 53 through
Location division 51 and fastening part 52, described fastening part 52 is provided with guide end 521, described guide end 521
It is shaped as truncated cone-shaped, described fastening part 52 offers several slots 522.Described pipe joint body 1
Being provided with taper surface 12, the inwall of described first sealing ring 3 contacts with taper surface 12, and described first seals
The sidewall of circle 3 contacts with the shaft shoulder 21 of loose joint nut body 2.The inwall of described connection lip 4 is provided with inclined-plane
41, the cross section on described inclined-plane 41 and the angle of horizontal plane are 10～20 degree, and described inclined-plane 41 is close with second
The inwall of seal 6 is in close contact.
Work process of the present invention:
The present invention is a kind of connects the sealed fitting of fastening in the course of the work, and pipe 8 is inserted pipe joint body 1,
Then screwing loose joint nut body 2, during screwing, loose joint nut body 2 drives adapter sleeve 5 forward
Mobile, guide end 521 ensure that fastening part 52 enters in connection lip 4 smoothly, now adapter sleeve 5
Fastening part 52 is shunk, and forms coupling mechanism force, it is possible to avoid vibration to cause connection in inclined-plane 41 with adapter sleeve 5
Loosen, adapter sleeve 5 pushes the second sealing ring 6 forward, the extruding inclined-plane, outer ring 41 of the second sealing ring 6,
The junction formation now connecting lip 4 and pipe 8 fits tightly face, at stop and the taper surface 12 of the shaft shoulder 21
Locking effect under, the first sealing ring 3 is formed tightly in the junction of pipe joint body 1, loose joint nut body 2
Close binding face, improve joint in use with the connection sealing of pipe, it is to avoid connection system is let out
Leakage problem.
Above-described embodiment is the description of the invention, is not limitation of the invention, any simple to the present invention
Scheme after conversion belongs to protection scope of the present invention.
Claims (4)
1. the sealed fitting connecting fastening, it is characterised in that: include pipe joint body (1), loose joint nut
Body (2), the first sealing ring (3), connection lip (4), adapter sleeve (5) and the second sealing ring (6),
The outer wall of described pipe joint body (1) is provided with connection flank (11), described loose joint nut body (2)
Inwall be provided with and be connected the screw thread that flank (11) matches, set in described loose joint nut body (2)
Mounting groove (22), described first sealing ring (3) is had to be inlaid in mounting groove (22), described pipe joint
The end of body (1) is provided with connection lip (4), and the cross sectional shape of described connection lip (4) is circular,
Described adapter sleeve (5) be inlaid in loose joint nut body (2) bottom, described adapter sleeve (5) be connected
Lip (4) matches, and the sidewall of described second sealing ring (6) contacts with the end of adapter sleeve (5),
It is provided with O-ring seals (13) in described pipe joint body (1).
2. described a kind of sealed fitting connecting fastening as claimed in claim 1, it is characterised in that: described
Adapter sleeve (5) includes location division (51), fastening part (52) and installation cavity (53), described location division (51)
Be provided with fastening part (52), described installation cavity (53) through location division (51) and fastening part (52),
Described fastening part (52) is provided with guide end (521), described guide end (521) be shaped as truncated cone-shaped,
Several slots (522) are offered on described fastening part (52).
3. described a kind of sealed fitting connecting fastening as claimed in claim 1, it is characterised in that: described
Pipe joint body (1) be provided with taper surface (12), the inwall of described first sealing ring (3) and taper
Face (12) contacts, the sidewall of described first sealing ring (3) and the shaft shoulder of loose joint nut body (2)
(21) contact.
4. described a kind of sealed fitting connecting fastening as claimed in claim 1, it is characterised in that: described
The inwall connecting lip (4) is provided with inclined-plane (41), the cross section of described inclined-plane (41) and the folder of horizontal plane
Angle is 10～20 degree, and described inclined-plane (41) are in close contact with the inwall of the second sealing ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589324.2A CN105972349A (en) | 2016-07-21 | 2016-07-21 | Sealing pipe joint performing tight connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589324.2A CN105972349A (en) | 2016-07-21 | 2016-07-21 | Sealing pipe joint performing tight connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105972349A true CN105972349A (en) | 2016-09-28 |
Family
ID=56950669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610589324.2A Pending CN105972349A (en) | 2016-07-21 | 2016-07-21 | Sealing pipe joint performing tight connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105972349A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9102897L (en) * | 1991-10-07 | 1993-04-08 | Nords Ab | DOUBLE TETTED ROUGH COUPLING |
| CN2387360Y (en) * | 1999-08-25 | 2000-07-12 | 粟幼特 | Shoe sealing connector of building aluminium plastic pipe |
| CN1603671A (en) * | 2003-10-03 | 2005-04-06 | 东尾机械株式会社 | Pipe joint |
| US20060138771A1 (en) * | 2004-12-27 | 2006-06-29 | Carrier Corporation | Braze-free connector for joining a pair of flow lines |
| KR101048241B1 (en) * | 2005-09-15 | 2011-07-08 | 이. 하블레 아르마투렌베르케 게엠베하 | Connecting piece for the end of circular, especially tubular object |
| CN103398245A (en) * | 2004-04-22 | 2013-11-20 | 斯瓦戈洛克公司 | Tapered cap nut tube head |
| CN104813088A (en) * | 2012-11-08 | 2015-07-29 | Bmt株式会社 | Back ferrule having bellows-shaped elastic part |
| CN206054993U (en) * | 2016-07-21 | 2017-03-29 | 海盐县秦山液压机械厂 | A kind of sealed fitting of connection fastening |
-
2016
- 2016-07-21 CN CN201610589324.2A patent/CN105972349A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9102897L (en) * | 1991-10-07 | 1993-04-08 | Nords Ab | DOUBLE TETTED ROUGH COUPLING |
| CN2387360Y (en) * | 1999-08-25 | 2000-07-12 | 粟幼特 | Shoe sealing connector of building aluminium plastic pipe |
| CN1603671A (en) * | 2003-10-03 | 2005-04-06 | 东尾机械株式会社 | Pipe joint |
| CN103398245A (en) * | 2004-04-22 | 2013-11-20 | 斯瓦戈洛克公司 | Tapered cap nut tube head |
| US20060138771A1 (en) * | 2004-12-27 | 2006-06-29 | Carrier Corporation | Braze-free connector for joining a pair of flow lines |
| KR101048241B1 (en) * | 2005-09-15 | 2011-07-08 | 이. 하블레 아르마투렌베르케 게엠베하 | Connecting piece for the end of circular, especially tubular object |
| CN104813088A (en) * | 2012-11-08 | 2015-07-29 | Bmt株式会社 | Back ferrule having bellows-shaped elastic part |
| CN206054993U (en) * | 2016-07-21 | 2017-03-29 | 海盐县秦山液压机械厂 | A kind of sealed fitting of connection fastening |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160928 |