CN201757225U - High-pressure oil pipe joint - Google Patents
High-pressure oil pipe joint Download PDFInfo
- Publication number
- CN201757225U CN201757225U CN2010202634352U CN201020263435U CN201757225U CN 201757225 U CN201757225 U CN 201757225U CN 2010202634352 U CN2010202634352 U CN 2010202634352U CN 201020263435 U CN201020263435 U CN 201020263435U CN 201757225 U CN201757225 U CN 201757225U
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- Prior art keywords
- groove
- seal ring
- connecting tube
- pressure oil
- joint body
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- Expired - Fee Related
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Abstract
The utility model relates to a high-pressure oil pipe joint which comprises a joint body and a connecting pipe, wherein a groove is formed at one end of the joint body, one end of the connecting pipe is arranged in the groove by plug-in connection, and a seal ring is arranged in the plug-in connection position of the connecting pipe and the joint body; as the seal ring is arranged between one end which is in plug-in connection with the joint body of the connecting pipe and the bottom surface of the groove, and the seal ring can also be arranged in an annular groove at one end which is arranged in the groove by plug-in connection of the connecting pipe, the seal ring arranged between one end which is plug-in connection with the joint body of the connecting pipe and the bottom surface of the groove is difficult to be damaged, thereby greatly improving sealing property at the junction of the connecting pipe and the joint body, realizing good sealing property at the junction of the joint body and the connecting pipe, preventing oil from being easily leaked, greatly reducing maintenance cost and prolonging the service life of the high-pressure oil pipe joint.
Description
Technical field
The utility model relates to a kind of pipe joint, relates to a kind of high-pressure oil pipe joint that uses in high-pressure oil pipe connects specifically.
Background technique
At present, the connection of high-pressure oil pipe, connect by the high-pressure oil pipe joint, present employed high-pressure oil pipe joint comprises joint body, connecting tube and nut, joint body is a cylindrical structural, joint body is provided with the through hole that passes through for high pressure oil, one end of joint body is provided with groove, one end of connecting tube is plugged in the groove, nut sleeve is contained on the connecting tube and with the connecting sleeve body and is threaded, the outer peripheral surface that connecting tube is plugged on the end in the groove is provided with seal ring, by the sealing between seal ring realization joint body and the connecting tube.This sealing means in use, seal ring damages easily, the oil impregnate phenomenon often appears in the joint of joint body and connecting tube, needs often to keep in repair the high-pressure oil pipe joint, has increased maintenance cost, has shortened the working life of high-pressure oil pipe joint.
The model utility content
Problem to be solved in the utility model is at above problem, and the joint good airproof performance of a kind of joint body and connecting tube, the high-pressure oil pipe joint that is not prone to the oil impregnate phenomenon, can reduces maintenance cost, increase the service life are provided.
For addressing the above problem, the technological scheme that the utility model adopted is: a kind of high-pressure oil pipe joint, comprise joint body and connecting tube, one end of described joint body is provided with groove, one end of described connecting tube is plugged in the groove, it is characterized in that: the plug-in position place of described connecting tube and joint body is provided with seal ring.
As a kind of optimized project, the quantity of described seal ring is two.
Between a kind of concrete optimized project, one of them seal ring end and groove floor in connecting tube is plugged in groove, the another one seal ring is positioned on the outer peripheral surface of an end that connecting tube is plugged in groove.
The outer peripheral surface that a kind of concrete optimized project, described connecting tube are plugged in the end in the groove is provided with circular groove, and the seal ring that is positioned on the connecting tube outer peripheral surface is arranged on circular groove.
Quantity as the described seal ring of a kind of optimized project is one.
Between a kind of concrete optimized project, the described seal ring end and groove floor in connecting tube is plugged in groove.
A kind of concrete optimized project, described groove be shaped as taper shape.
The utility model is taked above technological scheme, have the following advantages: be provided with seal ring between end that connecting tube and joint body are pegged graft and the groove floor, connecting tube is plugged in the circular groove of the end in the groove also can be provided with seal ring, the seal ring that is provided with between end that connecting tube and joint body are pegged graft and the groove floor is not fragile, improved the sealing of connecting tube and joint body joint greatly, the joint good airproof performance of joint body and connecting tube, be not prone to the oil impregnate phenomenon, greatly reduce maintenance cost, prolonged the working life of high-pressure oil pipe joint.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Accompanying drawing 1 is the structural representation of a kind of high-pressure oil pipe joint among the utility model embodiment 1;
Accompanying drawing 2 is the utility model embodiment 1 middle joint main body structure schematic representation;
Accompanying drawing 3 is the structural representation of connecting tube among the utility model embodiment 1;
Accompanying drawing 4 is the structural representation of a kind of high-pressure oil pipe joint among the utility model embodiment 2.
Among the figure:
The 1-joint body; 2-first seal ring; 3-second seal ring; The 4-nut; The 5-connecting tube; The 11-groove floor; The 12-groove; 13-spanner portion; The 14-through hole; The 51-circular groove; The 52-conical surface; The 53-high-pressure oil passage.
Embodiment
Embodiment 1: shown in accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3, a kind of high-pressure oil pipe joint, comprise joint body 1 and connecting tube 5, one end of joint body 1 is provided with groove 12, one end of connecting tube 5 is plugged in the groove 12, be set with nut 4 on the connecting tube 5, nut 4 removably connects with joint body 1, and connecting tube 5 is provided with seal ring with the plug-in position place of joint body 1.
The quantity of seal ring is two, and between the end and groove floor 11 of one of them seal ring in connecting tube 5 is plugged in groove 12, the another one seal ring is positioned on the outer peripheral surface of an end that connecting tube 5 is plugged in groove 12.
The seal ring that connecting tube 5 is plugged in setting between a end and the groove floor 11 in the groove 12 is first seal ring 2, and the seal ring that is positioned on the outer peripheral surface of an end that connecting tube 5 is plugged in groove 12 is second seal ring 3
The outer peripheral surface that connecting tube 5 is plugged in the end in the groove 12 is provided with circular groove 51, the second seal rings 3 and is positioned at circular groove 51, and connecting tube 5 is provided with the high-pressure oil passage 53 that passes through for high pressure oil.
Joint body 1 is a cylindrical structural, the two ends of joint body 1 are respectively arranged with outside thread, nut 4 is threaded with connecting sleeve body 1, the intermediate portion of connecting sleeve body 1 is provided with spanner portion 13, spanner portion 13 is a hexagonal prism shape, is provided with the through hole 14 that is communicated with high-pressure oil passage 53 on the connecting sleeve body 1 vertically.
Connecting tube 5 seals by first seal ring 2 and second seal ring 3 with joint body 1 link position place, adopted double density seal sealing, improved the sealing of connecting tube 5 greatly with joint body 1 joint, the joint good airproof performance of joint body 1 and connecting tube 5, be not prone to the oil impregnate phenomenon, greatly reduce maintenance cost, prolonged the working life of high-pressure oil pipe joint.
Embodiment 2: as shown in Figure 4, the quantity of seal ring is one, first seal ring 2 only is set between end in connecting tube 5 is plugged in groove 12 and the groove floor 11, connecting tube 5 is plugged on the outer peripheral surface of the end in the groove 12 circular groove 51 and second seal ring 3 is not set, and other structures are identical with embodiment 1.
Connecting tube 5 is plugged between end in the groove 12 and the groove floor 11 first seal ring 2 is set, in use, first seal ring 2 is not fragile, improved the sealing of connecting tube 5 greatly with joint body 1 joint, the joint good airproof performance of joint body 1 and connecting tube 5, be not prone to the oil impregnate phenomenon, greatly reduce maintenance cost, prolonged the working life of high-pressure oil pipe joint.
Claims (7)
1. high-pressure oil pipe joint, comprise joint body (1) and connecting tube (5), one end of described joint body (1) is provided with groove (12), one end of described connecting tube (5) is plugged in the groove (12), it is characterized in that: described connecting tube (5) is provided with seal ring with the plug-in position place of joint body (1).
2. a kind of high-pressure oil pipe joint as claimed in claim 1 is characterized in that: the quantity of described seal ring is two.
3. a kind of high-pressure oil pipe joint as claimed in claim 2, it is characterized in that: one of them seal ring is positioned between the end and groove floor (11) that connecting tube (5) is plugged in groove (12), and the another one seal ring is positioned on the outer peripheral surface of an end that connecting tube (5) is plugged in groove (12).
4. a kind of high-pressure oil pipe joint as claimed in claim 3, it is characterized in that: the outer peripheral surface that described connecting tube (5) is plugged in the end in the groove (12) is provided with circular groove (51), and the seal ring that is positioned on connecting tube (5) outer peripheral surface is arranged on circular groove (51).
5. a kind of high-pressure oil pipe joint as claimed in claim 1 is characterized in that: the quantity of described seal ring is one.
6. a kind of high-pressure oil pipe joint as claimed in claim 5 is characterized in that: described seal ring is positioned between the end and groove floor (11) that connecting tube (5) is plugged in groove (12).
7. as one of them described a kind of high-pressure oil pipe joint of claim 1-6, it is characterized in that: described groove (12) be shaped as taper shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202634352U CN201757225U (en) | 2010-07-20 | 2010-07-20 | High-pressure oil pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202634352U CN201757225U (en) | 2010-07-20 | 2010-07-20 | High-pressure oil pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201757225U true CN201757225U (en) | 2011-03-09 |
Family
ID=43644497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202634352U Expired - Fee Related CN201757225U (en) | 2010-07-20 | 2010-07-20 | High-pressure oil pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201757225U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747832A (en) * | 2015-03-24 | 2015-07-01 | 福建晋工机械有限公司 | Connector applied to hydraulic pipelines |
| CN110529057A (en) * | 2019-09-09 | 2019-12-03 | 大庆华油石油科技开发有限公司 | A kind of oil well is shorted with oil pipe |
| CN111365546A (en) * | 2020-04-20 | 2020-07-03 | 嘉兴新亚科技股份有限公司 | Stainless steel hydraulic connecting cap for wind power |
-
2010
- 2010-07-20 CN CN2010202634352U patent/CN201757225U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747832A (en) * | 2015-03-24 | 2015-07-01 | 福建晋工机械有限公司 | Connector applied to hydraulic pipelines |
| CN110529057A (en) * | 2019-09-09 | 2019-12-03 | 大庆华油石油科技开发有限公司 | A kind of oil well is shorted with oil pipe |
| CN110529057B (en) * | 2019-09-09 | 2020-05-05 | 大庆华油石油科技开发有限公司 | Oil pipe short joint for oil well |
| CN111365546A (en) * | 2020-04-20 | 2020-07-03 | 嘉兴新亚科技股份有限公司 | Stainless steel hydraulic connecting cap for wind power |
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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: 20110309 Termination date: 20130720 |