CN217540103U - Prevent leaking structure of leaking coupling structure - Google Patents

Prevent leaking structure of leaking coupling structure Download PDF

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Publication number
CN217540103U
CN217540103U CN202222105291.3U CN202222105291U CN217540103U CN 217540103 U CN217540103 U CN 217540103U CN 202222105291 U CN202222105291 U CN 202222105291U CN 217540103 U CN217540103 U CN 217540103U
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pipe
pipe joint
cylinder
protective sleeve
leakage
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CN202222105291.3U
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刘印
王鸣
王少波
刘宝琪
范珍涔
杨治
王梁丞
代茂林
陈柳君
王龙
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Chengdu Zhongke Yineng Technology Co Ltd
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Chengdu Zhongke Yineng Technology Co Ltd
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Abstract

The utility model belongs to the technical field of pipe joints, in particular to a leakage-proof structure of a leakage-proof pipe joint structure, which comprises a protective sleeve; the pipe joint is used for butt joint between two pipelines; the protective sleeve comprises two protective bodies; the two protection bodies can be mutually butted, and an accommodating cavity for accommodating the pipe joint is formed between the two protection bodies; can seal through respective sealer between the protection body and the pipeline and between two protection bodies for it is sealed apart with external environment to hold the chamber. The structure in the scheme can strengthen the sealing performance of the pipe joint, and the pipe joint is not easy to directly leak into the external environment when the phenomena of welding, breaking, leakage and the like occur; meanwhile, the protective sleeve can be additionally provided with a monitoring system, so that the potential accident hazard of pipeline leakage can be found in time, and the protection sleeve is convenient to overhaul in time; the protective sleeve is simple in structure and easy to disassemble, assemble and maintain, and the split protective sleeve can be repeatedly used on pipe joints with different specifications.

Description

Prevent leaking structure of leaking coupling structure
Technical Field
The utility model belongs to the technical field of the coupling, concretely relates to prevent leaking pipe joint structure's leak protection structure.
Background
Pipe joints are common in industrial fields requiring the transport of fluid media, such as gas turbine fuel manifolds, natural gas transportation pipelines, hydraulic work pipelines, and the like. At present, in most pipe joints in the market, a pipeline and a joint nozzle are connected in a welding mode. The structure for welding the pipeline and the joint of the pipe joint has the advantages that in the using process, due to the fact that some pipe joints are usually required to be repeatedly inserted and pulled and occasionally meet the bending scene at the pipe joint, stress concentration is easily caused at the welding position of the pipeline and the joint, hidden dangers such as open welding and fracture occur, leakage is easily caused in the high-pressure medium transportation process of the pipe joint with the hidden dangers, and normal use and safety of equipment are seriously affected.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of reinforcing the leakage-proof performance of the pipe joint, the scheme provides a leakage-proof structure of a leakage-proof pipe joint structure.
The utility model discloses the technical scheme who adopts does:
a leakage-proof structure of a leakage-proof pipe joint structure comprises a protective sleeve; the pipe joint is used for butt joint between two pipelines; the protective sleeve comprises two protective bodies; the two protection bodies can be mutually butted, and an accommodating cavity for accommodating the pipe joint is formed between the two protection bodies; can seal through respective sealer between the protection body and the pipeline and between two protection bodies for it is sealed apart with external environment to hold the chamber.
An alternative or complementary design of the leakage prevention structure as the above-described leakage prevention pipe joint structure: the two pipelines are respectively a first pipe body and a second pipe body; the tip that the coupling was kept away from to first body and second body all stretches out outside the lag.
An alternative or complementary design of the leakage prevention structure as the above leakage prevention pipe joint structure: the protective sleeve is a cylindrical protective sleeve, and two protective bodies of the cylindrical protective sleeve are respectively a first cylinder body and a second cylinder body; the first cylinder and the second cylinder are both cylindrical; the first pipe body penetrates through the inner bottom of the first barrel, and the second pipe body penetrates through the inner bottom of the second barrel; the first barrel is in threaded connection with the second barrel.
An alternative or complementary design of the leakage prevention structure as the above-described leakage prevention pipe joint structure: the sealing device arranged between the first cylinder and the first pipe body is a first sealing ring; the sealing device arranged between the second cylinder and the second pipe body is a second sealing ring; the sealer arranged between the first cylinder and the second cylinder is a third sealing ring.
An alternative or complementary design of the leakage prevention structure as the above-described leakage prevention pipe joint structure: the protection cover is a split type protection cover, and two protection bodies of the split type protection cover are respectively a first valve body and a second valve body; first lamella body and second lamella body profile modeling are in half tubular form, and outside the split type lag was stretched out from the one end department of the butt joint department of first lamella body and second lamella body to first body, the second body stretched out outside the split type lag from the other end department of the butt joint department of first lamella body and second lamella body.
An alternative or complementary design of the leakage prevention structure as the above leakage prevention pipe joint structure: the two ends of the second valve body are respectively connected with the two pipelines in a sealing way through the first sealing ring group and the second sealing ring group; the sealer between the first flap body and the second flap body is a U-shaped sealing gasket.
An alternative or complementary design of the leakage prevention structure as the above leakage prevention pipe joint structure: a first mounting edge turned outwards is arranged at the edge of the first flap body, and a second mounting edge turned outwards is arranged at the edge of the second flap body; the U-shaped sealing gasket is arranged between the first mounting edge and the second mounting edge in a cushioning manner; the first mounting edge and the second mounting edge are fixedly connected through bolts.
An alternative or complementary design of the leakage prevention structure as the above-described leakage prevention pipe joint structure: be provided with the connector that the intercommunication held the chamber on the lateral wall of lag, this connector is connected with the manometer, and this manometer electric connection has monitoring system.
An alternative or complementary design of the leakage prevention structure as the above-described leakage prevention pipe joint structure: the pipe joint comprises a first pipe joint, a second pipe joint and an outer sleeve nut; the first pipe joint is welded and connected to the end of the first pipe body, and the second pipe joint is welded and connected to the end of the second pipe body; the first pipe joint is in butt joint with one end of the second pipe joint; the outer sleeve nut is rotatably sleeved outside the first pipe connector and is in threaded connection with the second pipe connector so as to pull the first pipe connector towards the second pipe connector.
An alternative or complementary design of the leakage prevention structure as the above-described leakage prevention pipe joint structure: the end part of the first pipe joint is conical; the end part of the second pipe joint is in a taper hole shape matched with the first pipe joint.
A leakage-proof pipe joint structure comprises a pipe joint and a protective sleeve.
The utility model has the advantages that:
1. the leakage-proof structure in the scheme can strengthen the sealing performance of the pipe joint, and the pipe joint is not easy to directly leak into the external environment when the phenomena of welding, breaking, leakage and the like occur, so that the safety of pipeline transportation operation is improved;
2. the contact part of the leakage-proof structure and the pipeline in the scheme can restrain the radial position of the pipeline, so that stress concentration at the welding position of the pipeline and the pipe joint directly when the pipeline is bent is avoided, and the welding position is structurally protected;
3. meanwhile, the protective sleeve can be additionally provided with a monitoring system, so that the potential accident hazard of pipeline leakage can be found in time, and the protection sleeve is convenient to overhaul in time; the protective sleeve is simple in structure and easy to disassemble, assemble and maintain, and the split protective sleeve can be repeatedly used on pipe joints with different specifications.
Drawings
In order to clearly illustrate the embodiment of the present invention or the technical solutions in the prior art, the drawings used in the embodiment or the prior art description will be briefly introduced below.
FIG. 1 is an exploded view of the protective sleeve of the present invention;
FIG. 2 is a cross-sectional view of a protective sleeve of the sleeve type;
fig. 3 is an exploded view of the split shield according to the present solution;
FIG. 4 is a cross-sectional structural view of the split shield;
fig. 5 is an internal structural view of the pipe joint.
In the figure: 1-pipe joint; 11-a cap nut; 12-a first tube nipple; 13-a second tube nipple; 2-a first tube; 3-a second tube; 4-a cylindrical protective sleeve; 41-a first cylinder; 42-a first sealing ring; 43-a second sealing ring; 44-a second cylinder; 5-split protective sleeve; 51-a first petal; 511-a first mounting edge; 52-a first seal ring set; 53-a second set of sealing rings; 54-a second petal; 541-a second mounting edge; a 55-U shaped gasket; 6-a plug-in connector; 7-a pressure gauge; 8-monitoring system.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the accompanying drawings, and the described embodiments are only a part of the embodiments, but not all embodiments, and all other embodiments obtained by those skilled in the art without creative efforts will belong to the protection scope of the present solution based on the embodiments in the present solution.
Example 1
As shown in fig. 1 to 5, the present embodiment relates to a leakage-proof structure of a leakage-proof pipe joint structure, which comprises a protective sleeve, and the protective sleeve is sleeved at a pipe joint 1 of a pipeline when in use. And seal this coupling 1 department to when the coupling 1 takes place to leak, also can utilize and hold the chamber and seal the medium that leaks, thereby avoid the medium that leaks to spill over to the external environment in, on the basis of reducing environmental pollution, can also improve the security of medium transportation.
The pipe joint 1 to which the protective sleeve of the present embodiment can be applied includes a flat type, a tapered type, or a spherical type, and the pipe joint 1 of the present embodiment is a tapered type for illustration. Two pipelines that this coupling 1 connects are first body 2 and second body 3 respectively, and the butt joint between first body 2 and the second body 3 is realized to coupling 1.
The pipe joint 1 of the present embodiment illustrated in fig. 1 to 5 comprises a first pipe nipple 12, a second pipe nipple 13 and a casing nut 11; the first pipe nipple 12 is welded and connected to the end of the first pipe body 2, and the second pipe nipple 13 is welded and connected to the end of the second pipe body 3; the opposite end of the first pipe connector 12 and the second pipe connector 13 is in butt joint connection; the outer sleeve nut 11 is rotatably sleeved outside the first pipe nipple 12 and is in threaded connection with the second pipe nipple 13 so as to pull the first pipe nipple 12 towards the second pipe nipple 13. The end of the first pipe joint 12 is conical; the end of the second pipe nipple 13 is in a taper hole shape matched with the first pipe nipple 12.
The protective sleeve in the embodiment comprises two protective bodies; the two protection bodies can be mutually butted, and an accommodating cavity for accommodating the pipe joint 1 is formed between the two protection bodies; can seal through respective sealer between the protection body and the pipeline and between two protection bodies for it is sealed apart with external environment to hold the chamber. When in use, the end parts of the first pipe body 2 and the second pipe body 3 far away from the pipe joint 1 extend out of the protective sleeve.
The lag in this embodiment can cladding coupling 1 to the sealing performance of coupling 1 department is strengthened, appears opening welding, when phenomenons such as fracture and seepage at coupling 1 itself, accomodates the medium of leaking by holding the chamber, thereby guarantees that the medium is difficult to directly leak to the external environment, thereby has improved the security of pipeline transportation operation.
In addition, because the contact position of the protective sleeve in the scheme with the first pipe body 2 and the second pipe body 3 can form a fulcrum for radially supporting the two pipelines, and the fulcrum has a certain distance from the welding position of the pipe joint 1, the actions of bending, bending and the like of the pipelines can be radially restrained, and the phenomenon that the stress concentration directly occurs at the welding position of the pipeline and the pipe joint 1 when the pipelines are bent and cracks are formed at the welding position is avoided; therefore, the structure of this lag can structurally protect and reinforce the welding position.
In addition, in order to monitor the condition of leakage of the pipe joint 1, a plug 6 communicated with the accommodating cavity can be arranged on the side wall of the protective sleeve, the plug 6 is connected with a pressure gauge 7, and the pressure gauge 7 is electrically connected with a monitoring system 8. When the pipe joint 1 leaks, the medium transported in the pipeline leaks into the protective sleeve from the crack of the pipe joint 1 and is gradually filled with the accommodating cavity, the inserting joint 6 is connected with the accommodating cavity, so that the medium or compressed air can transmit pressure to the pressure gauge 7 through the inserting joint 6, the monitoring system 8 can acquire the pressure and pressure change of the pressure gauge 7, a technician can judge whether the pipe joint 1 leaks according to the pressure monitored by the pressure gauge 7 and can also judge the medium leakage speed of the pipe joint 1 according to the change of the pressure.
Example 2
The protective sleeve in embodiment 1 may be a sleeve type protective sleeve 4, and the two protective bodies of the sleeve type protective sleeve 4 are a first cylinder 41 and a second cylinder 44; the first cylinder 41 and the second cylinder 44 are both cylindrical; the first pipe 2 penetrates through the inner bottom of the first cylinder 41, and the second pipe 3 penetrates through the inner bottom of the second cylinder 44; the first cylinder 41 is screwed to the second cylinder 44.
The sealer arranged between the first cylinder 41 and the first pipe 2 is a first sealing ring 42; the sealer arranged between the second cylinder 44 and the second pipe body 3 is a second sealing ring 43; the sealer provided between the first cylinder 41 and the second cylinder 44 is a third seal ring.
Example 3
The protective cover in embodiment 1 may also be a split-type protective cover 5, and the two protective bodies of the split-type protective cover 5 are a first flap body 51 and a second flap body 54; the first flap body 51 and the second flap body 54 are shaped like a half tube, the first tube body 2 extends out of the split type protection sleeve 5 from one end of the butt joint of the first flap body 51 and the second flap body 54, and the second tube body 3 extends out of the split type protection sleeve 5 from the other end of the butt joint of the first flap body 51 and the second flap body 54.
The two ends of the first valve body 51 and the sealers between the two pipelines are respectively a first sealing ring group 52 and a second sealing ring group 53, and the two ends of the second valve body 54 are also respectively connected with the two pipelines through the first sealing ring group 52 and the second sealing ring group 53 in a sealing way; the seal between the first flap 51 and the second flap 54 is a U-shaped gasket 55. The first seal ring group 52 may be a plurality of rubber seal rings, and the second seal ring group 53 may be a plurality of rubber seal rings.
A first mounting edge 511 which is turned up outwards is arranged at the edge of the first flap body 51, and a second mounting edge 541 which is turned up outwards is arranged at the edge of the second flap body 54; the U-shaped sealing gasket 55 is arranged between the first mounting edge 511 and the second mounting edge 541 in a cushioning manner; the first mounting edge 511 and the second mounting edge 541 are fixed by bolts.
Example 4
As shown in fig. 1 to 5, the present embodiment designs a leak-proof pipe joint structure, which includes a pipe joint 1 and a protective sleeve.
The pipe joint 1 is used for butt-jointing two pipes of a first pipe body 2 and a second pipe body 3, the pipe joint 1 can be a commercially available pipe joint 1 of a flat type, a tapered type or a ball type, and when the pipe joint 1 is of a tapered type, the pipe joint 1 described in embodiment 1 can be used.
The protective sleeve is arranged outside the pipe joint 1 and can seal and reinforce the joint of the pipe joint 1 and the pipeline, and the protective sleeve comprises two protective bodies; the two protection bodies can be mutually butted, and an accommodating cavity for accommodating the pipe joint 1 is formed between the two protection bodies; can seal through respective sealer between the protection body and the pipeline and between two protection bodies for it is sealed apart with external environment to hold the chamber. The structure of embodiment 2 or embodiment 3 may be specifically selected for the protection cover, and details are not described herein.
The above examples are merely for clearly illustrating the examples and are not intended to limit the embodiments; this need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications of the technology so far introduced are within the scope of protection of the present technology.

Claims (9)

1. The utility model provides a prevent leaking tube joint structure's leak-proof structure which characterized in that: comprises a protective sleeve; the pipe joint (1) is used for butt joint between two pipelines; the protective sleeve comprises two protective bodies; the two protection bodies can be mutually butted, and an accommodating cavity for accommodating the pipe joint (1) is formed between the two protection bodies; can seal through respective sealer between the protection body and the pipeline and between two protection bodies for it is sealed apart with external environment to hold the chamber.
2. The leakage preventing structure of a leakage preventing pipe joint structure according to claim 1, wherein: the two pipelines are respectively a first pipe body (2) and a second pipe body (3); the tip that coupling (1) was kept away from in first body (2) and second body (3) all stretches out outside the lag.
3. The leakage prevention structure of a leakage prevention fitting structure according to claim 2, wherein: the protective sleeve is a cylindrical protective sleeve (4), and two protective bodies of the cylindrical protective sleeve (4) are a first cylinder body (41) and a second cylinder body (44) respectively; the first cylinder (41) and the second cylinder (44) are both cylindrical; the first pipe body (2) penetrates through the inner bottom of the first cylinder body (41), and the second pipe body (3) penetrates through the inner bottom of the second cylinder body (44); the first cylinder (41) is connected to the second cylinder (44) in a threaded manner.
4. The leakage preventing structure of a leakage preventing pipe joint structure according to claim 3, wherein: the sealer arranged between the first cylinder (41) and the first pipe body (2) is a first sealing ring (42); the sealer arranged between the second cylinder (44) and the second pipe body (3) is a second sealing ring (43); the sealer arranged between the first cylinder (41) and the second cylinder (44) is a third sealing ring.
5. The leakage prevention structure of a leakage prevention fitting structure according to claim 2, wherein: the protective sleeve is a split protective sleeve (5), and two protective bodies of the split protective sleeve (5) are respectively a first valve body (51) and a second valve body (54); first flap body (51) and second flap body (54) profile modeling are in the half tubular form, and first body (2) stretch out from the one end department of the butt joint department of first flap body (51) and second flap body (54) outside split type lag (5), and second body (3) stretch out from the other end department of the butt joint department of first flap body (51) and second flap body (54) outside split type lag (5).
6. The leakage-proof structure of leakage-proof pipe joint structure according to claim 5, wherein: the two ends of the first flap body (51) and the sealers between the two pipelines are respectively a first sealing ring group (52) and a second sealing ring group (53), and the two ends of the second flap body (54) are respectively connected with the two pipelines in a sealing way through the first sealing ring group (52) and the second sealing ring group (53); the sealer between the first flap body (51) and the second flap body (54) is a U-shaped gasket (55).
7. The leak prevention structure of a leak prevention tube joint structure as described in claim 6 wherein: a first mounting edge (511) turning outwards is arranged at the edge of the first flap body (51), and a second mounting edge (541) turning outwards is arranged at the edge of the second flap body (54); the U-shaped sealing gasket (55) is arranged between the first mounting edge (511) and the second mounting edge (541) in a cushioning manner; the first mounting edge (511) and the second mounting edge (541) are fixedly connected through bolts.
8. The leakage preventing structure of a leakage preventing pipe joint structure according to claim 1, wherein: be provided with on the lateral wall of lag and communicate bayonet joint (6) that hold the chamber, this bayonet joint (6) are connected with manometer (7), and this manometer (7) electric connection has monitoring system (8).
9. The leakage prevention structure of a leakage prevention fitting structure according to claim 2, wherein: the pipe joint (1) comprises a first pipe joint (12), a second pipe joint (13) and an outer sleeve nut (11); the first pipe joint (12) is connected to the end of the first pipe body (2) in a welding mode, and the second pipe joint (13) is connected to the end of the second pipe body (3) in a welding mode; the opposite ends of the first pipe connector (12) and the second pipe connector (13) are in butt joint connection; the outer sleeve nut (11) is rotatably sleeved outside the first pipe connector (12) and is in threaded connection with the second pipe connector (13).
CN202222105291.3U 2022-08-11 2022-08-11 Prevent leaking structure of leaking coupling structure Active CN217540103U (en)

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CN202222105291.3U CN217540103U (en) 2022-08-11 2022-08-11 Prevent leaking structure of leaking coupling structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115559817A (en) * 2022-12-01 2023-01-03 成都中科翼能科技有限公司 Double-support mounting frame structure of hydraulic starting device of gas turbine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115559817A (en) * 2022-12-01 2023-01-03 成都中科翼能科技有限公司 Double-support mounting frame structure of hydraulic starting device of gas turbine

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