CN220118861U - Petroleum pipeline joint leakage-proof structure - Google Patents
Petroleum pipeline joint leakage-proof structure Download PDFInfo
- Publication number
- CN220118861U CN220118861U CN202321509536.7U CN202321509536U CN220118861U CN 220118861 U CN220118861 U CN 220118861U CN 202321509536 U CN202321509536 U CN 202321509536U CN 220118861 U CN220118861 U CN 220118861U
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- flange plate
- flange
- plate
- petroleum pipeline
- connecting pipe
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- 239000003208 petroleum Substances 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims abstract description 6
- 230000002265 prevention Effects 0.000 claims 6
- 230000000694 effects Effects 0.000 abstract description 8
- 230000002787 reinforcement Effects 0.000 abstract description 4
- 238000000429 assembly Methods 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 abstract description 2
- 239000011111 cardboard Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model discloses a petroleum pipeline joint leakage-proof structure, in particular to the technical field of petroleum exploitation, comprising the following components: the device comprises a first connecting pipe and a second connecting pipe, wherein a first flange is arranged at one end of the first connecting pipe, a second flange is arranged at one end of the second connecting pipe, and the first flange is fixedly connected with the second flange through bolts; the clamping plates are arranged between the first flange plate and the outer part of the second flange plate, and the clamping plates are provided with positioning assemblies. According to the utility model, the clamping plate, the spring and the pressing plate are arranged, so that the clamping plate can be clamped on the first flange plate and the second flange plate, and the limiting reinforcement can be further carried out under the cooperation of the positioning column and the positioning hole, so that the first flange plate and the second flange plate can be firmly locked together, unstable connection caused by loosening of bolts is effectively prevented, the tight sealing effect of the joint is further ensured, petroleum leakage is avoided, and the safety and stability are good.
Description
Technical Field
The utility model relates to the technical field of petroleum exploitation, in particular to a leakage-proof structure of a petroleum pipeline joint.
Background
Petroleum refers to a gaseous, liquid and solid hydrocarbon mixture, has a natural production state, is a viscous and dark brown liquid, is called industrial blood, and is transported by petroleum pipelines in the petroleum exploitation process.
In the chinese patent of patent number CN202221724873.3, a leak-proof structure of petroleum pipeline joint is disclosed, the device fastens two ring flanges together through the connecting bolt, and the ring flange outside is equipped with two jackets again, the jacket is fixed through the connecting bolt equally, thereby make the joint form effectual sealed leak-proof structure, but its when in actual use, flange or jacket of linkage segment all adopts connecting bolt connection's mode to go on, after long-time use, the bolt can take place to become flexible even drop, thereby lead to connecting component to connect unstably, influence sealed inseparable effect, finally lead to joint department to take place petroleum infiltration, the security stability is not good.
Therefore, it is necessary to invent a leakage-proof structure for petroleum pipeline joint to solve the above problems.
Disclosure of Invention
The utility model aims to provide a leakage-proof structure of a petroleum pipeline joint, which is characterized in that a clamping plate, a spring and a pressing plate are arranged, the clamping plate can be clamped on a first flange plate and a second flange plate, and under the cooperation of a positioning column and a positioning hole, the limiting reinforcement can be further carried out, so that the first flange plate and the second flange plate can be firmly locked together, the unstable connection caused by loosening of bolts is effectively prevented, the sealing and tight effect of the joint is further ensured, the petroleum leakage is avoided, the safety and the stability are better, and the defects in the technology are overcome.
In order to achieve the above object, the present utility model provides the following technical solutions: a petroleum pipeline joint leak-proof structure comprising:
the device comprises a first connecting pipe and a second connecting pipe, wherein a first flange is arranged at one end of the first connecting pipe, a second flange is arranged at one end of the second connecting pipe, and the first flange is fixedly connected with the second flange through bolts;
the clamping plates are arranged between the first flange plate and the outer part of the second flange plate, positioning assemblies are arranged on the clamping plates, springs are connected to the two ends of the inner part of the clamping plates, and a pressing plate is fixed to one end of each spring, corresponding to each clamping plate.
Preferably, the locating component comprises two locating holes symmetrically arranged on the inner side of the clamping plate, and a plurality of locating columns matched with the locating holes are symmetrically connected to the outer walls of the first flange plate and the second flange plate.
Preferably, a rubber pad is arranged on the inner wall of the positioning hole.
Preferably, the side walls of the first flange plate and the second flange plate are symmetrically provided with a plurality of bolt holes, and the bolt holes are distributed in an annular array.
Preferably, sealing rings are mounted on the inner walls of the first flange plate and the second flange plate.
Preferably, two ends of one side of the first flange plate are symmetrically provided with connecting rings facing the second flange plate, one end of each connecting ring is fixedly provided with a limiting block, and two limiting grooves matched with the limiting blocks are symmetrically formed in the side wall of the second flange plate.
Preferably, the limit groove is formed by a first arc chute and a second arc chute, the second arc chute is overlapped on the first arc chute, and the caliber of the second arc chute is smaller than that of the first arc chute.
In the technical scheme, the utility model has the technical effects and advantages that:
firstly, through setting up cardboard, spring and clamp plate, can be with cardboard chucking on first ring flange and second ring flange, and under the cooperation of reference column and locating hole, can be further carry out spacing reinforcement to can be in the same place first ring flange and the firm locking of second ring flange, effectually prevent the connection unstable that leads to because of the bolt is not hard up, and then guaranteed the sealed inseparable effect of joint, avoided the oil leakage, safety and stability is better.
Secondly, through setting up go-between, stopper and spacing groove, can further be in the same place first ring flange and second ring flange upper limit to strengthen the joint strength between first ring flange and the second ring flange greatly, make first ring flange and second ring flange difficult to separate more, further improved the sealed leak protection performance of junction.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the card of the present utility model after removal;
FIG. 3 is an enlarged view of portion A of FIG. 1 in accordance with the present utility model;
FIG. 4 is a schematic view of the structure of the first flange and the second flange of the present utility model;
FIG. 5 is a schematic view of a second flange plate according to the present utility model;
reference numerals illustrate:
1. a clamping plate; 2. a first flange; 3. a first connection pipe; 4. a spring; 5. positioning columns; 6. positioning holes; 7. a pressing plate; 8. a second connection pipe; 9. a second flange; 10. bolt holes; 11. a seal ring; 12. a connecting ring; 13. a limiting block; 14. and a limit groove.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The utility model provides a petroleum pipeline joint leakage-proof structure as shown in fig. 1-4, comprising:
the device comprises a first connecting pipe 3 and a second connecting pipe 8, wherein a first flange plate 2 is arranged at one end of the first connecting pipe 3, a second flange plate 9 is arranged at one end of the second connecting pipe 8, and the first flange plate 2 and the second flange plate 9 are fixedly connected through bolts;
specifically, the side walls of the first flange plate 2 and the second flange plate 9 are symmetrically provided with a plurality of bolt holes 10, and the bolt holes 10 are distributed in an annular array; sealing rings 11 are arranged on the inner walls of the first flange plate 2 and the second flange plate 9.
It can be seen from the above that, when in use, the first flange 2 and the second flange 9 can be abutted, then the bolts are screwed into the bolt holes 10, and the first flange 2 and the second flange 9 can be fixed together, so that the connection between the first connecting pipe 3 and the second connecting pipe 8 is realized, and the sealing effect can be further improved by the sealing ring 11 arranged at the joint to prevent oil leakage.
The clamping plates 1 are arranged between the first flange plate 2 and the outer part of the second flange plate 9, positioning components are arranged on the clamping plates 1, springs 4 are connected to two ends of the inner part of the clamping plates 1, and a pressing plate 7 is fixed at one end of each spring 4 opposite to the clamping plate 1;
the positioning assembly comprises two positioning holes 6 symmetrically formed in the inner side of the clamping plate 1, and a plurality of positioning columns 5 matched with the positioning holes 6 are symmetrically connected to the outer walls of the first flange 2 and the second flange 9;
the inner wall of the positioning hole 6 is provided with a rubber pad. Based on the structure, the rubber pad has the functions of reinforcing and preventing skid.
Through the technical scheme:
after first ring flange 2 is connected with second ring flange 9, can block a plurality of cardboards 1 in proper order between the outer wall of first ring flange 2 and second ring flange 9, and under the elasticity shrink of spring 4, can make clamp plate 7 support tight ring flange, thereby can with cardboard 1 chucking on first ring flange 2 and second ring flange 9, and two reference columns 5 on the cardboard 1, can insert respectively in the locating hole 6 on first ring flange 2 and second ring flange 9, thereby can further carry out spacing reinforcement, and then can be with the locking of first ring flange 2 and second ring flange 9 firmly together, the effectual connection that leads to because of the bolt is not hard up is unstable, the tight effect of sealing of joint has been guaranteed, oil leakage has been avoided, safety and stability is better.
The utility model provides a petroleum pipeline joint leakage-proof structure as shown in fig. 4 and 5, wherein two ends of one side of a first flange plate 2 are symmetrically provided with a connecting ring 12 facing a second flange plate 9, one end of the connecting ring 12 is fixedly provided with a limiting block 13, and the side wall of the second flange plate 9 is symmetrically provided with two limiting grooves 14 matched with the limiting block 13;
the limit groove 14 is composed of a first arc chute and a second arc chute, the second arc chute is overlapped on the first arc chute, and the caliber of the second arc chute is smaller than that of the first arc chute.
Through the technical scheme:
specifically, when first ring flange 2 and second ring flange 9 butt joint, can insert spacing inslot 14 earlier, then rotate first ring flange 2 or second ring flange 9, make go-between 12 drive spacing 13 slide in spacing inslot 14, spacing 13 can get into the second arc spout by first arc spout, and under the effect of this structure, can strengthen the joint strength between first ring flange 2 and the second ring flange 9 greatly for first ring flange 2 and the second ring flange 9 are difficult for the separation more, have further improved the sealed leak protection performance of junction.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (7)
1. Petroleum pipeline connects leak protection structure, a serial communication port includes:
the connecting device comprises a first connecting pipe (3) and a second connecting pipe (8), wherein a first flange plate (2) is arranged at one end of the first connecting pipe (3), a second flange plate (9) is arranged at one end of the second connecting pipe (8), and the first flange plate (2) is fixedly connected with the second flange plate (9) through bolts;
the clamping plates (1) are arranged between the first flange plate (2) and the second flange plate (9), positioning components are arranged on the clamping plates (1), springs (4) are connected to the two ends of the inside of the clamping plates (1), and pressing plates (7) are fixed to one ends of the springs (4) relative to the clamping plates (1).
2. The petroleum pipeline joint leakage prevention structure according to claim 1, wherein: the locating component comprises two locating holes (6) symmetrically formed in the inner side of the clamping plate (1), and a plurality of locating columns (5) matched with the locating holes (6) are symmetrically connected to the outer walls of the first flange plate (2) and the second flange plate (9).
3. The petroleum pipeline joint leakage prevention structure according to claim 2, wherein: the inner wall of the positioning hole (6) is provided with a rubber pad.
4. The petroleum pipeline joint leakage prevention structure according to claim 1, wherein: the side walls of the first flange plate (2) and the second flange plate (9) are symmetrically provided with a plurality of bolt holes (10), and the bolt holes (10) are distributed in an annular array.
5. The petroleum pipeline joint leakage prevention structure according to claim 1, wherein: sealing rings (11) are arranged on the inner walls of the first flange plate (2) and the second flange plate (9).
6. The petroleum pipeline joint leakage prevention structure according to claim 1, wherein: connecting rings (12) facing the second flange plate (9) are symmetrically arranged at two ends of one side of the first flange plate (2), limiting blocks (13) are fixed at one end of each connecting ring (12), and two limiting grooves (14) matched with the limiting blocks (13) are symmetrically formed in the side wall of each second flange plate (9).
7. The petroleum pipeline joint leakage prevention structure according to claim 6, wherein: the limiting groove (14) is formed by a first arc chute and a second arc chute, the second arc chute is overlapped on the first arc chute, and the caliber of the second arc chute is smaller than that of the first arc chute.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321509536.7U CN220118861U (en) | 2023-06-14 | 2023-06-14 | Petroleum pipeline joint leakage-proof structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321509536.7U CN220118861U (en) | 2023-06-14 | 2023-06-14 | Petroleum pipeline joint leakage-proof structure |
Publications (1)
Publication Number | Publication Date |
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CN220118861U true CN220118861U (en) | 2023-12-01 |
Family
ID=88891015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321509536.7U Active CN220118861U (en) | 2023-06-14 | 2023-06-14 | Petroleum pipeline joint leakage-proof structure |
Country Status (1)
Country | Link |
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CN (1) | CN220118861U (en) |
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2023
- 2023-06-14 CN CN202321509536.7U patent/CN220118861U/en active Active
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