CN102777712A - Transition joint - Google Patents
Transition joint Download PDFInfo
- Publication number
- CN102777712A CN102777712A CN2012102376693A CN201210237669A CN102777712A CN 102777712 A CN102777712 A CN 102777712A CN 2012102376693 A CN2012102376693 A CN 2012102376693A CN 201210237669 A CN201210237669 A CN 201210237669A CN 102777712 A CN102777712 A CN 102777712A
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- China
- Prior art keywords
- joint
- caulking groove
- rake
- joint body
- connecting end
- 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.)
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- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
Abstract
The invention relates to a transition joint, comprising a joint body (1) with a connecting end (11), and an embedding recess (12) which is arranged at the periphery of the joint body (1), wherein the bottom (12b) of the embedding recess (12) is of a circular arc shape; and the diameter of the circular arc-shaped bottom (12b) ranges from 15 DEG to 20 DEG. Compared with the prior art, the transition joint has the advantages that through the design of the circular arc-shaped bottom of the embedding recess, an accommodating space matched with an O-shaped sealing ring in shape is provided and the excessive deformation of the O-shaped sealing ring can be prevented; and after pipelines are connected, the O-shaped sealing ring is not extruded to the external surface, so that the sealing effect is ensured and the good practicability is provided.
Description
Technical field
The present invention relates to a kind of pipe joint, relate in particular to a kind of transit joint.
Background technique
The application of pipe joint in oil, liquid delivery line connect is very extensive, and be common like two pass joints, tee union, multiple-pass joint or the like.For preventing that the joint between pipeline and the joint from producing seepage, often is embedded with the O RunddichtringO between pipeline and joint.The O RunddichtringO adopts rubber mostly, has certain volume.Yet in actual application, the caulking groove between pipeline and the joint is a flat often, and after installing; The O RunddichtringO is given prominence to outside caulking groove, and sealing effect can not guarantee and be easy to generate seepage if caulking groove is excessive, thereby; It is more shallow that the caulking groove of flat is often done, but caulking groove can be difficult to hold because of the degree of depth causes the O RunddichtringO inadequately; Tend to extrude outside the port of pipeline, the seal ring outside being exposed to influences neat and artistic first, second hardens easily, finalizes the design; And lose the performance that automatic adaptation is out of shape, and influence the sealing effect of O RunddichtringO, also result in hand cramps for as installed.
Summary of the invention
Technical problem to be solved by this invention is to the existing technology present situation a kind of transit joint to be provided, and adaptive caulking groove is provided can for the O RunddichtringO, prevents O RunddichtringO excessive deformation, and is very practical.
The present invention solves the problems of the technologies described above the technological scheme that is adopted: this transit joint, comprise the joint body caulking groove peripheral with being arranged on joint body with connecting end, and it is characterized in that: the bottom of said caulking groove is circular-arc.
Preferably, the diameter of said circular-arc bottom is within 15 °～20 ° scopes.
Preferably, said connecting end has screw thread, and the centre of said joint body is the polygonal engagement portion, and said caulking groove is between connecting end and polygonal engagement portion.
Further with improvement; The cell wall of said caulking groove comprises first rake, bottom, second rake and vertical side; Wherein, the angular range of the vertical relatively side of first rake is that the angular range of the vertical relatively side of 45 °～55 ° second rake is within 130 °～140 ° scopes.
Compared with prior art; The invention has the advantages that: through to the circular arc design of caulking groove bottom, the holding space of the adaptive O RunddichtringO shape of ability is provided, can have prevented O RunddichtringO excessive deformation; After pipeline connects; The O RunddichtringO can not be pressed against outer surface yet, guarantees sealing effect, and is very practical.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Fig. 2 is the partial enlarged drawing of I portion among Fig. 1.
Fig. 3 adds the structural representation behind the O RunddichtringO for the embodiment of the invention.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Like Fig. 1～shown in Figure 3, in the present embodiment, transit joint of the present invention is one or two pass joints, and this transit joint comprises the joint body 1 with two connecting ends 11;
Wherein, Each connecting end 11 has outside thread; The centre of joint body 1 is Hexagon engagement portion 13 (as the head of hex head bolt), said joint body 1 periphery, between two connecting ends 11 and Hexagon engagement portion 13, is respectively equipped with a caulking groove 12, for being embedded of O RunddichtringO 2;
Shown in the partial enlarged drawing of Fig. 2; The cell wall of each caulking groove 12 comprises the first rake 12a, bottom 12b, the second rake 12c and vertical side 12d, and wherein, the bottom 12b of caulking groove 12 is circular-arc; The diameter of bottom 12b is 18 °; Dark 1.6mm, the first rake the 12a relatively vertically angle of side 12d are 50 °, and the second rake 12c relatively vertically angle β of side 12d is 135 °.
Claims (4)
1. transit joint, comprise have connecting end (11) joint body (1) and be arranged on the peripheral caulking groove (12) of joint body (1), it is characterized in that: the bottom (12b) of said caulking groove (12) is circular-arc.
2. transit joint as claimed in claim 1 is characterized in that: the diameter of said circular-arc bottom (12b) is within 15 °～20 ° scopes.
3. according to claim 1 or claim 2 transit joint, it is characterized in that: said connecting end (11) has screw thread, and the centre of said joint body (1) is polygonal engagement portion (13), and said caulking groove (12) is positioned between connecting end (11) and polygonal engagement portion (13).
4. transit joint as claimed in claim 3; It is characterized in that: the cell wall of said caulking groove (12) comprises first rake (12a), bottom (12b), second rake (12c) and vertical side (12d); Wherein, First rake (12a) relatively vertically angle (α) scope of side (12d) is 45 °～55 °, and second rake (12c) relatively vertically angle (β) scope of side (12d) is within 130 °～140 ° scopes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102376693A CN102777712A (en) | 2012-07-11 | 2012-07-11 | Transition joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102376693A CN102777712A (en) | 2012-07-11 | 2012-07-11 | Transition joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102777712A true CN102777712A (en) | 2012-11-14 |
Family
ID=47122739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102376693A Pending CN102777712A (en) | 2012-07-11 | 2012-07-11 | Transition joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102777712A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292078A (en) * | 2013-06-04 | 2013-09-11 | 无锡金顶石油管材配件制造有限公司 | Expansion ring type pipe end connecting member |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4927192A (en) * | 1989-06-29 | 1990-05-22 | Fmc Corporation | Pipe connector load element |
| CN201116634Y (en) * | 2007-10-24 | 2008-09-17 | 华中科技大学郑州研究院 | Conical surface O-shaped ring sealing type pipeline mobile joint |
| CN201269373Y (en) * | 2008-09-25 | 2009-07-08 | 天津市润实科技发展有限公司 | Male connector |
| CN201672180U (en) * | 2010-04-16 | 2010-12-15 | 中国石油集团东方地球物理勘探有限责任公司 | Leak-proof hydraulic joint |
| CN201944448U (en) * | 2011-01-05 | 2011-08-24 | 北汽福田汽车股份有限公司 | Through joint for hydraulic system, hydraulic system and automobile with hydraulic system |
| CN202152886U (en) * | 2011-06-22 | 2012-02-29 | 上虞炫通流体连接件制造有限公司 | An oil pipe joint |
| CN202646973U (en) * | 2012-07-11 | 2013-01-02 | 宁波嘉诚液压有限公司 | Transition joint |
-
2012
- 2012-07-11 CN CN2012102376693A patent/CN102777712A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4927192A (en) * | 1989-06-29 | 1990-05-22 | Fmc Corporation | Pipe connector load element |
| CN201116634Y (en) * | 2007-10-24 | 2008-09-17 | 华中科技大学郑州研究院 | Conical surface O-shaped ring sealing type pipeline mobile joint |
| CN201269373Y (en) * | 2008-09-25 | 2009-07-08 | 天津市润实科技发展有限公司 | Male connector |
| CN201672180U (en) * | 2010-04-16 | 2010-12-15 | 中国石油集团东方地球物理勘探有限责任公司 | Leak-proof hydraulic joint |
| CN201944448U (en) * | 2011-01-05 | 2011-08-24 | 北汽福田汽车股份有限公司 | Through joint for hydraulic system, hydraulic system and automobile with hydraulic system |
| CN202152886U (en) * | 2011-06-22 | 2012-02-29 | 上虞炫通流体连接件制造有限公司 | An oil pipe joint |
| CN202646973U (en) * | 2012-07-11 | 2013-01-02 | 宁波嘉诚液压有限公司 | Transition joint |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292078A (en) * | 2013-06-04 | 2013-09-11 | 无锡金顶石油管材配件制造有限公司 | Expansion ring type pipe end connecting member |
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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 | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121114 |