CN201547425U - High-pressure pipe joint - Google Patents
High-pressure pipe joint Download PDFInfo
- Publication number
- CN201547425U CN201547425U CN2009202015877U CN200920201587U CN201547425U CN 201547425 U CN201547425 U CN 201547425U CN 2009202015877 U CN2009202015877 U CN 2009202015877U CN 200920201587 U CN200920201587 U CN 200920201587U CN 201547425 U CN201547425 U CN 201547425U
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- CN
- China
- Prior art keywords
- joint
- pipe
- fittings body
- utility
- thread
- 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 high-pressure pipe joint, which comprises a joint body, wherein internal threads (1) are formed at one end of the joint body while external threads (2) are formed at the other end of the joint body; and the internal diameter at the internal threads (1) end of the joint body is equal to the external diameter of the external threads (2) end of the joint body, and the thread pitch of the internal threads (1) is equal to that of the external threads (2). The utility model has the following advantages that only one of two ends of two butted pipes is processed into the external threads butted with the internal threads of the joint while the other one is processed into the internal threads butted with the external threads of the joint during the installation and butting process; a seal ring is nested during butting, the pipe can be conveniently and quickly butted; and if the number of the pipe joints is insufficient and the connection distance is not long, one or more pipe joints can be connected on the pipe joint, so as to extend the connection distance, thereby showing the advantages of compact structure and convenient installation of the utility model.
Description
Technical field:
The utility model relates to a kind of pipe joint, specifically is a kind of withstand voltage higher high-pressure pipe connector.
Background technique:
Pipe joint miscellaneous is arranged in the annex of hydraulic pressure or pneumatic circuit at present, and as Welded fitting, Bite type fittings, Welded fitting is simple in structure, but when installing welding quality require high, and mounting or dismounting inconvenience.Though Bite type fittings has overcome the shortcoming of the difficult mounting or dismounting of welding type, and the tube quality of adapted is had relatively high expectations, the accuracy of manufacturing of cutting ferrule requires also high.Thereby the also difficult and each dismounting of making all needs to change cutting ferrule; Also has a kind of flared fitting, as: State Patent Office's disclosed utility application on July 26 " high-pressure pipe connector " in 1989, the disclosed technological scheme of this patent application is: a kind of high-pressure pipe connector, the pipe box that it comprises union body and the gland nut that is threaded with this pipe joint and is pressed on the enlarging steel pipe and can moves with gland nut is characterized in that also further comprising center fixture and two " O " shape O-ring seals that have the large and small conical surface.Center fixture is installed between the enlarging of union body inward hole slope and enlarging steel pipe, large and small two conical surfaces of center fixture contact with the enlarging and the union body inward hole slope of enlarging steel pipe respectively, and two " O " shape O-ring seals are installed in respectively in the fixed groove that is had on the large and small conical surface of center fixture.Though this utility model patent has solved the not good problem of flared fitting sealing effect preferably, also exist component more, assembling and installation are all than problems such as troubles.Simultaneously, the aforementioned tube joint also exists: when mounted, need the circular pipe of circular joint could be rotated fasteningly with special pipes pincers, and cause the loosening deficiency that waits of pipe joint easily because of high pressure.
The model utility content:
In view of above-mentioned the deficiencies in the prior art, the technical problems to be solved in the utility model is, a kind of compact structure, high-pressure pipe connector easy for installation are provided.
Technical solution of the present utility model is that a kind of high-pressure pipe connector with following structure is provided.
A kind of high-pressure pipe connector, comprise fittings body, it is characterized in that: the end at described fittings body is provided with internal thread, the other end at fittings body is provided with outside thread, the inner diameter of described fittings body female end equals the outer diameter of described fittings body male end, and the pitch of thread of described internal thread equals the described externally threaded pitch of thread.
After adopting above structure, compared with prior art, the utility model high-pressure pipe connector has the following advantages:
Because the utility model is arranged to riffled tube at an end of pipe joint, the other end is arranged to male-pipe, therefore, when butt joint is installed, need only termination with the two tubes of butt joint, one is processed into the outside thread that connects with the joint riffled tube, and the end machining of another root becomes the internal thread that connects with the joint outside thread, puts seal ring when butt joint, just can be easily quickly with pipe to connecting, in addition, because the inner diameter of joint riffled tube equates that with the outer diameter of male-pipe pitch also equates, when butt joint, pipe joint is not enough and connect when cannot not differing longly, can connect one or two to three pipe joints on pipe joint again, connects distance with prolongation.Demonstrated the utility model compact structure, advantage easy for installation.
As improvement, the tube wall of described fittings body female end is provided with a radial direction through hole.A radial direction through hole is set,, pipe joint is fastened on the butt tube, take over thread looseness because of high pressure produces the leakage phenomenon generation takes place to prevent pipe with fastening screw trip bolt by radial direction through hole.Simultaneously, produce when pressure is excessive in the pipe, screw out Screw, can pass through decompressing by pinhole, with the balance tube internal pressure when mass flow discrepancy in the pipeline.
As improvement, on the outer tube wall of the relative both sides of described fittings body female end, respectively be provided with a facet, described both sides facet is parallel to each other.This structure setting mainly is that convenient to use common wrench just pipe joint can be rotated fastening, advances to rotate fastening and do not need to use the pipe tongs of special use to advance gripping tube fitting, and this also is the utility model embodiment easy for installation.
Description of drawings:
Fig. 1 is the utility model high-pressure pipe connector schematic top plan view;
Fig. 2 is the A-A cross-sectional schematic of Fig. 1.
Shown in the figure: 1, internal thread, 2, outside thread, 3, radial direction through hole, 4, facet.
Embodiment:
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
Shown in Figure 2, a kind of high-pressure pipe connector, comprise fittings body, it is characterized in that: the end at described fittings body is provided with internal thread 1, the other end at fittings body is provided with outside thread 2, the inner diameter of described fittings body female end equals the outer diameter of described fittings body male end, and the pitch of thread of described internal thread equals the described externally threaded pitch of thread.
The tube wall of the riffled tube of described fittings body is provided with a radial direction through hole 3, sees Fig. 2.
Shown in Figure 1, on the outer tube wall of the relative both sides of described fittings body female end, respectively be provided with a facet 4, described both sides facet 4 is parallel to each other.
When butt joint is installed, need only termination with the two tubes of butt joint, one butt head is processed into the outside thread that connects with fittings body internal thread 1, the end machining of another root becomes the internal thread that connects with fittings body outside thread 2, when butt joint, put seal ring, just can be easily quickly with pipe to connecting, in addition, because the inner diameter of fittings body internal thread 1 end equates with the outer diameter of fittings body outside thread 2 ends, pitch also equates, when butt joint, pipe joint is not enough and connect when cannot not differing longly, can on pipe joint, connect one or more pipe joints again, connect distance with prolongation.Demonstrated the utility model compact structure, advantage easy for installation.
A radial direction through hole 3 is set,, pipe joint is fastened on the butt tube, take over thread looseness because of high pressure produces the leakage phenomenon generation takes place to prevent pipe with fastening screw trip bolt by radial direction through hole 3.Simultaneously, produce when pressure is excessive in the pipe, screw out Screw, can pass through decompressing by pinhole, with the balance tube internal pressure when mass flow discrepancy in the pipeline.
On the outer tube wall of the relative both sides of described fittings body internal thread 1 end, respectively be provided with a facet 4, mainly be that the common wrench of convenient use just can rotate pipe joint fastening, advance to rotate fastening and do not need to use special-purpose pipe tongs to advance gripping tube fitting, this also is the utility model embodiment easy for installation.
Claims (3)
1. high-pressure pipe connector, comprise fittings body, it is characterized in that: the end at described fittings body is provided with internal thread, the other end at fittings body is provided with outside thread, the inner diameter of described fittings body female end equals the outer diameter of described fittings body male end, and the pitch of thread of described internal thread equals the described externally threaded pitch of thread.
2. high-pressure pipe connector as claimed in claim 1 is characterized in that: the tube wall of the internal thread of described fittings body is provided with a radial direction through hole.
3. high-pressure pipe connector as claimed in claim 1 is characterized in that: respectively be provided with a plane on the outer tube wall of the relative both sides of described fittings body female end, described two planes are parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202015877U CN201547425U (en) | 2009-11-27 | 2009-11-27 | High-pressure pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202015877U CN201547425U (en) | 2009-11-27 | 2009-11-27 | High-pressure pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201547425U true CN201547425U (en) | 2010-08-11 |
Family
ID=42602598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202015877U Expired - Fee Related CN201547425U (en) | 2009-11-27 | 2009-11-27 | High-pressure pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201547425U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072371A (en) * | 2011-02-11 | 2011-05-25 | 苏州工业园区新凯精密五金有限公司 | Spiral tube connecting piece |
-
2009
- 2009-11-27 CN CN2009202015877U patent/CN201547425U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072371A (en) * | 2011-02-11 | 2011-05-25 | 苏州工业园区新凯精密五金有限公司 | Spiral tube connecting piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20131127 |