CN204041987U - A kind of high pressure sealing pigtail splice - Google Patents
A kind of high pressure sealing pigtail splice Download PDFInfo
- Publication number
- CN204041987U CN204041987U CN201420456911.0U CN201420456911U CN204041987U CN 204041987 U CN204041987 U CN 204041987U CN 201420456911 U CN201420456911 U CN 201420456911U CN 204041987 U CN204041987 U CN 204041987U
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- China
- Prior art keywords
- wire
- protecting sleeve
- bolt
- seal groove
- long bolt
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- Expired - Fee Related
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- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model discloses a kind of high pressure sealing pigtail splice, specifically comprise: long bolt, short screw, hex head bolt head, wire guide, seal groove, copper backing, seal groove, hexagon nut, the first wire-protecting sleeve, the second wire-protecting sleeve.Working in coordination with by all parts, can be used for extraction and the sealing of internal strain test lead in pressurized container pressure-bearing hydraulic pressure process of the test.Its high-pressure tightness is reliable, and bearing capacity is high, easy to use, and wire extraction quantity is adjustable.
Description
Technical field
The utility model relates to pressurized container field, particularly relates to a kind of high pressure sealing pigtail splice.
Background technique
Along with the development of oil and gas pipes, oil and gas pipes threeway towards big uncork footpath, high pressure and large wall thickness future development.And the design method that existing pressure vessel design code adopts is too conservative, causes certain wasting of resources, add manufacture difficulty.At present, the domestic design also not having a kind of scientific and reasonable guide for method oil and gas pipes large opening rate threeway, therefore, needs to find a kind of scientific and reasonable design of tee joint method.Threeway hydraulic pressure demolition strain testing, energy accurate evaluation threeway limit load, for large opening rate design of tee joint technique study provides important test data.And the extraction of internal strain test point wire and the high pressure sealing after drawing are the key difficulties of hydraulic bursting test strain testing.
And existing high pressure seal, although high pressure sealing performance is reliable, complex structure, assembles loaded down with trivial details, and does not possess wire extraction function.And existing sealing bolt, although structure is simple, be only applicable to the sealing of general structure part, and do not possess wire extraction function.
Therefore, the technical problem that prior art exists is: existing seal arrangement does not possess wire and draws function.
Model utility content
The utility model provides a kind of high pressure sealing pigtail splice, possesses technical problem that is high pressure resistant and wire extraction function during to solve existing seal arrangement difference.
For solving the problems of the technologies described above, the utility model provides a kind of high pressure sealing pigtail splice, comprising:
The body of bolt, by long bolt 1, short screw 2, hex head bolt head 3 is formed, and described long bolt 1, described short screw 2, described hex head bolt head 3 is integrated type design;
Wherein, the body of rod cross section of described long bolt 1 is provided with wire guide 4; Described short screw 2 is hollow type; The outer surface of described long bolt 1 and the outer surface of described short screw 2 all have screw thread; The seal face of described hex head bolt head 3 has seal groove 5; High-pressure seal ring is inlaid with in described seal groove 5;
Copper backing 6, the one side of described copper backing 6 has seal groove 7, is inlaid with described high-pressure seal ring in described seal groove 7; Described copper backing 6 is set in described long bolt 1, and the high-pressure seal ring inlayed in described seal groove 7 is towards the seal face of described hex head bolt head 3;
Hexagon nut 8, the screw thread of the screw thread in described hexagon nut 8 and described long bolt 1 outer surface matches;
First wire-protecting sleeve 9, the described screw thread specification of the first wire-protecting sleeve 9 inwall and the screw thread of described long bolt 1 outer surface match; Described first wire-protecting sleeve 9 hoop is provided with through hole 11;
Second wire-protecting sleeve 10, the screw thread of the described screw thread specification of the second wire-protecting sleeve 10 inwall and the outer surface of described short screw 2 matches; Described second wire-protecting sleeve 10 hoop is provided with through hole 12.
Preferably, the seal face of described hex head bolt head 3 has the described seal groove 5 of two circles.
Preferably, the one side of described copper backing 6 has the described seal groove 7 of two circles.
Preferably, described first wire-protecting sleeve 9 hoop is provided with 4 through holes 11.
Preferably, described second wire-protecting sleeve 10 hoop is provided with 4 through holes 12.
By one or more technological scheme of the present utility model, the utility model has following beneficial effect or advantage:
The invention provides a kind of high pressure sealing pigtail splice, specifically comprise: long bolt, short screw, hex head bolt head, wire guide, seal groove, copper backing, seal groove, hexagon nut, the first wire-protecting sleeve, the second wire-protecting sleeve.Working in coordination with by all parts, can be used for extraction and the sealing of internal strain test lead in pressurized container pressure-bearing process.Its high-pressure tightness is reliable, and bearing capacity is high, easy to use, and wire extraction quantity is adjustable.
Accompanying drawing explanation
The structural representation of the body of bolt that Fig. 1-Fig. 2 provides for the utility model embodiment;
The structural representation of the copper backing that Fig. 3-Fig. 4 provides for the utility model embodiment;
The structural representation of the hexagon nut that Fig. 5-Fig. 6 provides for the utility model embodiment;
The structural representation of the first wire-protecting sleeve that Fig. 7-Fig. 8 provides for the utility model embodiment;
The structural representation of the second wire-protecting sleeve that Fig. 9-Figure 10 provides for the utility model embodiment.
Embodiment
In order to make the utility model the technical staff in the technical field more clearly understand the utility model, below in conjunction with accompanying drawing, by specific embodiment, technical solutions of the utility model are described in detail.
A kind of high pressure sealing pigtail splice that the utility model embodiment provides, specifically comprises: long bolt 1, short screw 2, hex head bolt head 3; wire guide 4, seal groove 5, copper backing 6, seal groove 7; hexagon nut 8, the first wire-protecting sleeve 9, second wire-protecting sleeve 10.
See Fig. 1-Figure 10, respectively describe all parts of a kind of high pressure sealing pigtail splice that the utility model embodiment provides.
Below all parts of a kind of high pressure sealing pigtail splice that the utility model embodiment provides is specifically described.
Specifically please refer to Fig. 1-Fig. 2.Fig. 1 is the body of bolt front view that the utility model embodiment provides.Fig. 2 is the plan view of the body of bolt that the utility model embodiment provides, and the direction overlooked is the direction from short screw 2 to long bolt 1.
The body of bolt, by long bolt 1, short screw 2, hex head bolt head 3 is formed, and long bolt 1, short screw 2, hex head bolt head 3 is integrated type design.
Wherein, the body of rod cross section of long bolt 1 is provided with wire guide 4; Short screw 2 is hollow type; The outer surface of long bolt 1 and the outer surface of short screw 2 all have screw thread; The seal face of hex head bolt head 3 has seal groove 5; High-pressure seal ring is inlaid with in seal groove 5.
Preferably, in order to seal better, the seal face of hex head bolt head 3 has two circle seal grooves 5.
Concrete, in FIG, short screw 2 is illustrated by the broken lines.In addition, the wire guide 4 made from the body of rod cross section of long bolt 1, through the inside of long bolt 1, can arrive short screw 2 end always, therefore, overlooks from short screw 2, can clearly see wire guide 4.
Please refer to Fig. 3-Fig. 4 below.What Fig. 3 described is the front view of the copper backing 6 that the utility model embodiment provides.What Fig. 4 described is the side view of the copper backing 6 that the utility model embodiment provides.
Specifically, the one side of copper backing 6 has seal groove 7, is inlaid with high-pressure seal ring in seal groove 7; Copper backing 6 is set in long bolt 1, and the high-pressure seal ring inlayed in seal groove 7 is towards the seal face of hex head bolt head 3.
Preferably, in order to seal better, the one side of copper backing 6 has two circle seal grooves 7.
In order to explain and the present invention is described, copper backing 6 shape that the utility model relates to, for circular, in actual applications, can use other shapes, not limit in this application.
Please refer to Fig. 5-Fig. 6 below.What Fig. 5 described is the front view of the hexagon nut 8 that the utility model embodiment provides.What Fig. 6 described is the side view of the hexagon nut 8 that the utility model embodiment provides.
Specifically, the screw thread of the screw thread in hexagon nut 8 and long bolt 1 outer surface matches.
Please refer to Fig. 7-Fig. 8 below.What Fig. 5 described is the side view of the first wire-protecting sleeve 9 that the utility model embodiment provides.What Fig. 6 described is the front view of the first wire-protecting sleeve 9 that the utility model embodiment provides.
Specifically, the screw thread specification of the first wire-protecting sleeve 9 inwall and the screw thread of long bolt 1 outer surface match; First wire-protecting sleeve 9 hoop is provided with through hole 11.
Preferably, in order to guide wire better, the first wire-protecting sleeve 9 hoop is provided with 4 through holes 11.
Please refer to Fig. 9-Figure 10 below.What Fig. 5 described is the side view of the second wire-protecting sleeve 10 that the utility model embodiment provides.What Fig. 6 described is the front view of the second wire-protecting sleeve 10 that the utility model embodiment provides.
Specifically, the screw thread of the screw thread specification of the second wire-protecting sleeve 10 inwall and the outer surface of short screw 2 matches; Second wire-protecting sleeve 10 hoop is provided with through hole 12.
Preferably, in order to guide wire better, the second wire-protecting sleeve 10 hoop is provided with 4 through holes 12.
Introduce the installation method of a kind of high pressure sealing pigtail splice that the utility model relates to below.
In actual applications, a kind of high pressure sealing pigtail splice that the utility model can be related to is used for Ф 1219 × 1016 reducing tee hydraulic bursting test strain testing.
Specific embodiments is as follows:
By wire through short screw 2, wire guide 4.Now wire can respectively expose one section in short screw 2 and wire guide 4.
Curing agent is filled into short screw 2, and wire guide 4 is through the space left after wire, short screw 2 and wire guide 4 are being sealed completely through after wire.
After to be solidified dose of solidification, high-pressure seal ring is compressed by the seal groove 5 of hex head bolt head 3 seal face, and coat appropriate butter, the body of bolt being installed with wire is passed from the head opening of testing pressure internal tank, wherein long bolt 1 stretches out in outside the perforate of testing pressure vessel head, it is inner that short screw 2 and nut 3 are positioned at the perforate of testing pressure vessel head, and nut seal face fits in testing pressure vessel head seal face, and this seal face is for processing smooth flat accurately.
Compress high-pressure seal ring by the seal groove 7 of copper backing 6, and evenly coat appropriate butter, copper backing 6 is set in long bolt 1, and seal outside seal face with testing pressure container and fit, this external seal face is for processing smooth flat accurately.
Copper backing 6 another side being set in long bolt 1 is coated appropriate butter, hexagon nut 8 is screwed in long bolt 1, and fits with copper backing 6.
Wire will be drawn through the first wire-protecting sleeve 9 from wire guide 4, and the first wire-protecting sleeve 9 will be screwed in long bolt 1, then the lead-in wire band being through at the first wire-protecting sleeve 9 will be fixed on through hole 11.
Wire will be drawn through the second wire-protecting sleeve 10 from short screw 2, and the second wire-protecting sleeve 10 will be screwed in short screw 2, then the lead-in wire band being through at the second wire-protecting sleeve 10 will be fixed on through hole 12.
Ф 1219 × 1016 reducing tee hydraulic bursting test of this method encapsulation is suppressed to 40MPa threeway explosion, high pressure sealing leading wire joint No leakage, and inner lighting outlet 0 damages, and 0 lost efficacy.
A kind of high pressure sealing pigtail splice being used for Ф 1219 × 1016 threeway bursting test strain testing related to by the utility model is re-used in Ф 1422 × 1219 reducing tee hydraulic bursting test strain testing.
Specific embodiments is as follows:
Check that whether the high-pressure seal ring compressed in used seal groove 5 is normal.
Guarantee normally, hex head bolt head 3 seal face is coated appropriate butter, wire (is namely passed short screw 2, wire guide 4 by the body of bolt being installed with wire, and the body of bolt formed after having sealed) pass from the head opening of testing pressure internal tank, wherein long bolt 1 stretches out in testing pressure vessel head perforate outside, it is inner that short screw 2 and nut 3 are positioned at the perforate of testing pressure vessel head, and nut seal face fits in testing pressure vessel head seal face, this seal face is for processing smooth flat accurately.。
Check the high-pressure seal ring compressed in seal groove 7.
Guarantee normally errorless after, be set in long bolt 1 after copper backing 6 sealing surface is evenly coated appropriate butter, and seal outside seal face with testing pressure container and fit, this outside seal face is for processing smooth flat accurately.
Copper backing 6 another side being set in long bolt 1 is coated appropriate butter, hexagon nut 8 is screwed in long bolt 1, and fits with copper backing 6.
Wire will be drawn through the first wire-protecting sleeve 9 from wire guide 4, and the first wire-protecting sleeve 9 will be screwed in long bolt 1, then the lead-in wire band being through at the first wire-protecting sleeve 9 will be fixed on through hole 11.
Wire will be drawn through the second wire-protecting sleeve 10 from short screw 2, and the second wire-protecting sleeve 10 will be screwed in short screw 2, then the lead-in wire band being through at the second wire-protecting sleeve 10 will be fixed on through hole 12.
Ф 1422 × 1219 reducing tee hydraulic bursting test of this method encapsulation is suppressed to 43.6MPa threeway explosion, high pressure sealing leading wire joint No leakage, and inner lighting outlet 0 damages, and 0 lost efficacy.
By one or more technological scheme of the present utility model, the utility model has following beneficial effect or advantage:
The invention provides a kind of high pressure sealing pigtail splice, specifically comprise: long bolt, short screw, hex head bolt head, wire guide, seal groove, copper backing, seal groove, hexagon nut, the first wire-protecting sleeve, the second wire-protecting sleeve.Working in coordination with by all parts, can be used for extraction and the sealing of internal strain test lead in pressurized container pressure-bearing process.Its high-pressure tightness is reliable, and bearing capacity is high, easy to use, and wire extraction quantity is adjustable.
Although described preferred embodiment of the present utility model, one of ordinary skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (5)
1. a high pressure sealing pigtail splice, is characterized in that, comprising:
The body of bolt, by long bolt (1), short screw (2), hex head bolt head (3) is formed, and described long bolt (1), described short screw (2), described hex head bolt head (3) is integrated type design;
Wherein, the body of rod of described long bolt (1) is provided with one section of hollow section and one section of perforated section, and perforated section is equipped with wire guide (4); Described short screw (2) is hollow type; The outer surface of described long bolt (1) and the outer surface of described short screw (2) all have screw thread; The seal face of described hex head bolt head (3) has seal groove (5); Described seal groove is inlaid with high-pressure seal ring in (5);
Copper backing (6), the one side of described copper backing (6) has seal groove (7), and described seal groove is inlaid with described high-pressure seal ring in (7); Described copper backing (6) is set in described long bolt (1), and the high-pressure seal ring inlayed in described seal groove (7) is towards the seal face of described hex head bolt head (3);
Hexagon nut (8), the screw thread of the screw thread in described hexagon nut (8) and described long bolt (1) outer surface matches;
First wire-protecting sleeve (9), the described screw thread specification of the first wire-protecting sleeve (9) inwall and the screw thread of described long bolt (1) outer surface match; Described first wire-protecting sleeve (9) hoop is provided with through hole (11);
Second wire-protecting sleeve (10), the screw thread of the described screw thread specification of the second wire-protecting sleeve (10) inwall and the outer surface of described short screw (2) matches; Described second wire-protecting sleeve (10) hoop is provided with through hole (12).
2. high pressure sealing pigtail splice as claimed in claim 1, it is characterized in that, the seal face of described hex head bolt head (3) has the described seal groove of two circle (5).
3. high pressure sealing pigtail splice as claimed in claim 1, it is characterized in that, the one side of described copper backing (6) has the described seal groove of two circle (7).
4. high pressure sealing pigtail splice as claimed in claim 1, it is characterized in that, described first wire-protecting sleeve (9) hoop is provided with 4 through holes (11).
5. high pressure sealing pigtail splice as claimed in claim 1, it is characterized in that, described second wire-protecting sleeve (10) hoop is provided with 4 through holes (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420456911.0U CN204041987U (en) | 2014-08-13 | 2014-08-13 | A kind of high pressure sealing pigtail splice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420456911.0U CN204041987U (en) | 2014-08-13 | 2014-08-13 | A kind of high pressure sealing pigtail splice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204041987U true CN204041987U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420456911.0U Expired - Fee Related CN204041987U (en) | 2014-08-13 | 2014-08-13 | A kind of high pressure sealing pigtail splice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204041987U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231218A (en) * | 2019-07-26 | 2019-09-13 | 西南石油大学 | The constant strain stress corrosion testing device and its test method of a kind of analog scene corrosive environment |
| CN110285215A (en) * | 2019-06-25 | 2019-09-27 | 西北工业大学 | A kind of sealing structure and method of aperture composite end socket |
-
2014
- 2014-08-13 CN CN201420456911.0U patent/CN204041987U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285215A (en) * | 2019-06-25 | 2019-09-27 | 西北工业大学 | A kind of sealing structure and method of aperture composite end socket |
| CN110231218A (en) * | 2019-07-26 | 2019-09-13 | 西南石油大学 | The constant strain stress corrosion testing device and its test method of a kind of analog scene corrosive environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170307 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee after: China National Petroleum Corp. Patentee after: China Petroleum Pipeline Engineering Co.,Ltd. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee before: China National Petroleum Corp. Patentee before: CHINA PETROLEUM PIPELINE BUREAU |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 |