CN220102482U - Dustproof sealing cover of pipeline quick connector - Google Patents
Dustproof sealing cover of pipeline quick connector Download PDFInfo
- Publication number
- CN220102482U CN220102482U CN202321137962.2U CN202321137962U CN220102482U CN 220102482 U CN220102482 U CN 220102482U CN 202321137962 U CN202321137962 U CN 202321137962U CN 220102482 U CN220102482 U CN 220102482U
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- pipeline
- valve
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- hole
- sealing cover
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- 238000007789 sealing Methods 0.000 title claims abstract description 76
- 239000000428 dust Substances 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 abstract description 8
- 239000003208 petroleum Substances 0.000 abstract description 6
- 206010000369 Accident Diseases 0.000 abstract description 5
- 230000004888 barrier function Effects 0.000 abstract description 5
- 230000003405 preventing effect Effects 0.000 abstract description 4
- 239000003063 flame retardant Substances 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model relates to the technical field of quick connectors and discloses a dustproof sealing cover for a pipeline quick connector, which comprises a sealing cover shell and a pressure release valve, wherein the sealing cover shell comprises a body which is used for being in sealing connection with a pipeline, one end of the body is a sealing cover which is in sealing arrangement, an assembly hole which penetrates through the inside and the outside is formed in the sealing cover, the pressure release valve is arranged in the assembly hole, and a fire blocking layer is further arranged between the pressure release valve and the sealing cover. The body can be quickly connected with the pipeline, and external dirt can be prevented from entering the quick connector through the plugging cover, so that the sealing and dust preventing effects are achieved; when the pressure in the pipeline is larger than the external pressure due to pressure fluctuation caused by temperature difference change, the pressure release valve can automatically release pressure, so that the balance of the internal pressure and the external pressure of the pipeline is maintained; because petroleum pipeline exhaust gas has flammability, set up the fire barrier between relief valve and shutoff lid, can prevent effectively that the ignition source from getting into in the pipeline through the relief valve from the pipeline outside, effectively prevent the fire accident, improve the security.
Description
Technical Field
The utility model relates to the technical field of quick connectors, in particular to a dustproof sealing cover of a quick connector of a pipeline.
Background
The quick-operation joint dustproof sealing cover generally refers to a quick-operation joint sealing device, and the quick-operation joint sealing device is generally arranged on a pipeline or a valve body, can be quickly connected with the pipeline, is used for sealing the tail end of the pipeline when the pipeline is not used, plays a role in preventing dust and blockage of the pipeline, and is widely applied to the petrochemical industry.
For example, chinese patent publication No. CN216692680U discloses a pressure relief type quick connector cap for pipeline, comprising: the control valve is arranged on a butt wire of the control valve, and the quick connector plug cap is arranged on the butt wire; one end of the control valve is connected with one end of the opposite wire, and the other end of the opposite wire is arranged at the position of the round hole of the quick connector plugging cap; the quick connector blocking cap is cylindrical, the upper end cover and the lower end cover are provided with covers matched with the quick connector blocking cap, the control valve is provided with a handle, and the handle of the control valve is provided with a position locking device, so that the quick connector blocking cap can be prevented from being opened by mistaken touching.
The quick connector blocking cap utilizes the handle and the position locking device on the handle to increase the stability of connection with a pipeline, prevents the opening by mistake and increases the tightness. However, the existing quick connector dust cover only has a dust sealing function, petroleum pipelines and the like are affected by external environments, such as high-temperature insolation and the like, the pressure in the pipelines can change, and when the pressure in the pipelines is too high, the pipelines are at risk of cracking.
Disclosure of Invention
The purpose of the utility model is that: the utility model provides a dustproof sealed lid of pipeline quick-operation joint to when solving the pipeline internal pressure among the prior art too big, the pipeline has the problem of the risk of breaking.
In order to achieve the above purpose, the utility model provides a dustproof sealing cover for a quick joint of a pipeline, which comprises a sealing cover shell and a pressure relief valve, wherein the sealing cover shell comprises a body used for being in sealing connection with the pipeline, one end of the body is provided with a sealing cover in sealing arrangement, the sealing cover is provided with an assembly hole penetrated internally and externally, the pressure relief valve is arranged in the assembly hole, and a fire blocking layer is further arranged between the pressure relief valve and the sealing cover.
Preferably, the assembly hole comprises a through hole section and a thread section which are communicated with each other, the size of the through hole section is smaller than that of the thread section, the pressure release valve is assembled with the thread section in a threaded mode, a stepped surface is formed between the through hole section and the thread section, and the fire-retarding layer is arranged at the stepped surface.
Preferably, the pressure relief valve comprises a valve body and a valve core assembly, wherein the valve body is assembled in the threaded section in a threaded mode, a pressure relief hole communicated with the through hole section is formed in the valve body, the valve core assembly is assembled in the pressure relief hole of the valve body, and the fire-resisting layer is arranged between the end face of the valve body and the stepped surface.
Preferably, the valve core assembly comprises a valve core and a pressure relief spring, a valve seat is arranged on the inner side of the pressure relief hole of the valve body, the valve core and the valve seat are assembled in a blocking way towards one side of the pressure relief spring, and the pressure relief spring is elastically and elastically pressed and assembled between the valve core and the valve body.
Preferably, a sealing ring is assembled between the valve body and the hole wall of the assembly hole.
Preferably, an inner wall of the plugging cover is provided with an assembly table extending along the axial direction of the body, a central hole is formed in the assembly table, and the central hole forms the assembly hole.
Preferably, the sealing cover shell is a female end shell, the body is used for being sleeved on the outer side of the pipeline, and a joint handle used for being connected with the pipeline is arranged on the outer side of the body.
Preferably, the sealing cover shell is a male end shell, and the body is used for being inserted into a pipeline.
Preferably, a handle is further arranged on the outer side of the plugging cover.
Compared with the prior art, the dustproof sealing cover for the quick joint of the pipeline has the beneficial effects that: the body can be quickly connected with the pipeline, and external dirt can be prevented from entering the quick connector through the plugging cover, so that the sealing and dust preventing effects are achieved; the sealing cover of the sealing cover shell is provided with an assembly hole penetrating inside and outside, and a pressure relief valve is arranged in the assembly hole, so that when the pressure in the pipeline is larger than the external pressure due to pressure fluctuation caused by temperature difference change, the pressure relief valve can automatically relieve pressure, and the balance of the pressure inside and outside the pipeline is maintained; because petroleum pipeline exhaust gas has flammability, set up the fire barrier between relief valve and shutoff lid, can prevent effectively that the ignition source from getting into in the pipeline through the relief valve from the pipeline outside, effectively prevent the fire accident, improve the security.
Drawings
FIG. 1 is a schematic view of the structure of the dust seal cap of the quick connector for pipes of the present utility model as a female seal cap;
FIG. 2 is a schematic view of the dust seal cap of the quick connector for pipes of the present utility model in a male end seal cap configuration;
FIG. 3 is a cross-sectional view of the dust seal cap of the quick connector of FIG. 1;
FIG. 4 is a cross-sectional view of the dust seal cap of the quick connector of FIG. 2;
FIG. 5 is a schematic diagram of the assembly of the pressure relief valve of the dust seal cap of the quick connector of the present utility model with the seal cap housing;
fig. 6 is a schematic structural view of a pressure relief valve of a dust-proof sealing cover of a quick joint for a pipeline.
In the figure, 1, the body, 2, the shutoff lid, 21, the assembly bench, 3, the relief valve, 31, the valve body, 32, the relief cap, 33, the case, 34, the relief spring, 35, the disk seat, 4, the pilot hole, 5, the fire barrier, 6, the sealing washer, 7, joint handle, 8, the handle.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
The utility model relates to a preferred embodiment of a dustproof sealing cover of a pipeline quick connector, which is shown in figures 1 to 6, is manufactured according to the GB/T16693 standard and comprises a sealing cover shell and a pressure release valve 3, wherein the sealing cover shell is a main body structure of the dustproof sealing cover of the pipeline quick connector and is used for sealing and preventing dust on the end head of a pipeline; a pressure relief valve 3 is arranged on the seal cap housing for maintaining pressure balance inside and outside the pipe.
The sealing cover shell comprises a body 1 and a sealing cover 2, wherein the body 1 is used for being in sealing connection with a pipeline, one end of the body 1 is of an opening structure, the other end of the body is of a sealing cover 2 which is in sealing arrangement, the opening structure of the body 1 can be communicated with a port of the pipeline, the sealing cover 2 is used for sealing the port of the pipeline, dust is prevented from entering the pipeline, and in the embodiment, the body 1 and the sealing cover 2 are of an integrated structure.
The plugging cover 2 is provided with an inner and outer penetrating assembly hole 4, the inner side in the inner and outer penetrating is the side of the plugging cover 2 contacting the pipeline, and the outer side is the side of the plugging cover 2 contacting the outside. The pressure release valve 3 is arranged in the assembly hole 4, the pressure release valve 3 can adjust the opening and closing of the assembly hole 4, when the pressure in the pipeline is larger than the outside pressure and the pressure difference is larger than the set pressure of the pressure release valve 3, the pressure release valve 3 is automatically opened, and the gas or liquid in the pipeline is discharged to the outside, so that the pressure of the sealed pipeline is released, and the protection effect is realized; when the pressure is released to a certain extent, the pressure release valve 3 can automatically reset, and the assembly hole 4 is closed again.
Still be provided with fire-blocking layer 5 between relief valve 3 and the shutoff lid 2, petroleum pipeline has the flammability by relief valve 3 exhaust gas or liquid, can burn and produce open fire when external conditions reaches the condition of catching fire, and fire-blocking layer 5 has the fire resistance, can prevent effectively that the ignition source from getting into intraductally through relief valve 3 mouthful from the pipe outward, prevents the fire accident, promotes the security. In this embodiment, the fire-blocking layer 5 may be an existing fire-resistant and flame-retardant gasket.
The body 1 of the dustproof sealing cover of the pipeline quick connector can be quickly connected with the pipeline, and external dirt can be prevented from entering the quick connector through the plugging cover 2, so that the dustproof sealing effect is realized; the sealing cover 2 of the sealing cover shell is provided with an assembly hole 4 penetrating inside and outside, and a pressure relief valve 3 is arranged in the assembly hole 4, when the pressure in the pipeline is larger than the external pressure due to pressure fluctuation caused by temperature difference change, the pressure relief valve 3 can automatically relieve pressure, and the balance of the pressure inside and outside the pipeline is maintained; because petroleum pipeline exhaust gas has flammability, set up fire barrier 5 between relief valve 3 and shutoff lid 2, can effectively prevent that the ignition source from getting into in the pipeline through relief valve 3 from the pipeline outside, effectively prevent the fire accident, improve the security.
Preferably, the assembly hole 4 includes a through hole section and a thread section which are communicated with each other, the size of the through hole section is smaller than that of the thread section, the pressure release valve 3 is in threaded fit with the thread section, a stepped surface is formed between the through hole section and the thread section, and the fire-blocking layer 5 is arranged at the stepped surface.
The assembly hole 4 is formed by a through hole section and a thread section, and the pressure release valve 3 is assembled in the thread section through a thread structure, so that the assembly structure is simplified, and the assembly and the disassembly are convenient to maintain. The step surface is formed between the through hole section and the thread section, the through hole section is close to the outside, the thread section is close to the inside of the pipeline, the step surface provides installation space for the fire-retardant coating 5, and the transmission of an ignition source between the through hole section and the thread section is effectively blocked, so that the outside ignition source is prevented from entering the pipe.
Preferably, the pressure release valve 3 comprises a valve body 31 and a valve core assembly, wherein the valve body 31 is assembled in a threaded section in a threaded manner, a pressure release hole communicated with the through hole section is arranged in the valve body 31, the valve core assembly is assembled in the pressure release hole of the valve body 31, and the fire resistance layer 5 is arranged between the end face and the step face of the valve body 31.
In this embodiment, the assembly hole 4 is further internally provided with a pressure relief cap 32, the pressure relief cap 32 is provided with a pressure relief hole for pressure relief, the pressure relief cap 32 is arranged in the through hole section, the pressure relief cap 32 and the pressure relief hole on the valve body 31 can be communicated with the inner side and the outer side of the pipeline, the valve core assembly is assembled in the valve body 31 and is positioned between the pressure relief cap 32 and the pressure relief hole of the valve body 31, and the on-off of the pressure relief hole is regulated through the action of the valve core assembly, so that pressure relief or sealing is realized. The fire-retardant layer 5 is arranged between the end face and the step face of the valve body 31, and when the valve body 31 is assembled in the thread section in a threaded mode, the fire-retardant layer 5 is extruded, pressure is applied to the fire-retardant layer 5, and the flame-retardant effect is improved.
In this embodiment, the pressure release cap 32 is detachably connected with the assembly hole 4, but the pressure release cap 32 may also be integrally formed with the housing of the plugging cap 2, where the pressure release cap 32 is a non-detachable part of the plugging cap 2; the pressure relief holes in the pressure relief cap 32 may be arranged on the outer periphery, and the pressure relief holes are not limited to one, and may be arranged on the outer periphery of the pressure relief cap 32 at intervals.
Preferably, the valve core assembly comprises a valve core 33 and a pressure relief spring 34, a valve seat 35 is arranged on the inner side of the pressure relief hole of the valve body 31, the valve core 33 and the valve seat 35 are assembled in a blocking way towards one side of the pressure relief spring 34, and the pressure relief spring 34 is elastically pressed and assembled between the valve core 33 and the valve body 31.
The pressure release spring 34 applies an elastic force to the valve core 33 toward the valve seat 35, so that the valve core 33 is tightly attached to the valve seat 35, and the pressure release hole is sealed. When the pressure of the pipeline exceeds the elastic force of the pressure relief spring 34 to the valve core 33, the valve core 33 overcomes the elastic force of the pressure relief spring 34 and moves towards the pressure relief cap 32, so that a pressure relief hole between the valve body 31 and the pressure relief cap 32 is communicated, and gas or liquid is discharged from the pressure relief cap 32, so that the pipeline is decompressed, and a protection effect is achieved; after the pressure is released to a certain extent, the pressure release spring 34 drives the valve core 33 to reset, and the pressure release valve 3 is closed again. In the present embodiment, the spool 33 has a spherical structure, but the spool 33 is not limited to the spherical structure, and the spool 33 may have a cylindrical structure, for example.
Preferably, a sealing ring 6 is assembled between the valve body 31 and the wall of the assembly hole 4.
The sealing ring 6 can increase the tightness between the valve body 31 and the hole wall of the assembly hole 4, and gas or liquid in the pipeline is prevented from leaking from a gap between the pressure release valve 3 and the assembly hole 4.
Preferably, the inner wall of the plugging cover 2 is provided with an assembly table 21 extending along the axial direction of the body 1, and a central hole is formed in the assembly table 21, and the central hole forms an assembly hole 4.
The assembly table 21 extends to the pipeline by the inner wall of shutoff lid 2 for relief valve 3 wholly is in the inside of sealed lid casing, can not expose in the outside, prevents people's mistake and touches and appear damaging, guarantees safety.
Preferably, the sealing cover shell is a female end shell, the body 1 is used for being sleeved on the outer side of the pipeline, and the outer side of the body 1 is provided with a joint handle 7 used for being connected with the pipeline.
When the dust-proof sealing cover of the pipeline quick connector is sleeved on the outer side of the pipeline to seal the pipeline, the pipeline is a female end sealing cover, the inner wall of the body 1 is in sealing connection with the outer wall of the pipeline to form a sealing pair, and the connector handle 7 is connected with the pipeline to ensure that the body 1 is fixed with the pipeline.
Preferably, the seal cap housing is a male end housing, the body 1 being for insertion into a pipe.
When the dustproof sealing cover of the pipeline quick connector is inserted into the pipeline connector to seal the pipeline, the pipeline connector is a male end sealing cover, the outer wall of the body 1 is in sealing connection with the inner wall of the pipeline to form a sealing pair, the outer wall of the body 1 is provided with an annular bulge, and the sealing performance is improved.
Preferably, the outside of the closure cap 2 is also provided with a handle 8.
In the embodiment, the handle 8 is of a T-shaped structure, and the handle 8 can provide an action point for an operator to operate the dustproof sealing cover of the pipeline quick connector, so that acting force can be conveniently applied; in other embodiments, the handle 8 may also be a U-shaped structure or an L-shaped structure.
In summary, the embodiment of the utility model provides a dustproof sealing cover for a pipeline quick connector, which is characterized in that a body of the dustproof sealing cover can be quickly connected with a pipeline, and external dirt can be prevented from entering the quick connector through a sealing cover, so that the dustproof sealing cover has the function of sealing; the sealing cover of the sealing cover shell is provided with an assembly hole penetrating inside and outside, and a pressure relief valve is arranged in the assembly hole, so that when the pressure in the pipeline is larger than the external pressure due to pressure fluctuation caused by temperature difference change, the pressure relief valve can automatically relieve pressure, and the balance of the pressure inside and outside the pipeline is maintained; because petroleum pipeline exhaust gas has flammability, set up the fire barrier between relief valve and shutoff lid, can prevent effectively that the ignition source from getting into in the pipeline through the relief valve from the pipeline outside, effectively prevent the fire accident, improve the security.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (9)
1. The utility model provides a dustproof sealed lid of pipeline quick-operation joint, its characterized in that, including sealed lid casing and relief valve, sealed lid casing is including being used for with pipeline sealing connection's body, the shutoff lid of body's one end for sealing arrangement, be provided with the mounting hole that runs through inside and outside the shutoff is covered, the relief valve is installed in the mounting hole, the relief valve with still be provided with the fire-blocking layer between the shutoff lid.
2. A pipe quick connector dust seal cover according to claim 1, wherein said fitting hole comprises a through hole section and a screw thread section which are communicated with each other, the size of said through hole section is smaller than that of said screw thread section, said relief valve is screw-fitted with said screw thread section, a stepped surface is formed between said through hole section and said screw thread section, and said fire-blocking layer is arranged at said stepped surface.
3. The dust seal cover of a quick joint for a pipeline according to claim 2, wherein the pressure release valve comprises a valve body and a valve core assembly, the valve body is assembled in the threaded section in a threaded manner, a pressure release hole communicated with the through hole section is formed in the valve body, the valve core assembly is assembled in the pressure release hole of the valve body, and the fire resistance layer is arranged between the end face of the valve body and the stepped surface.
4. The dustproof sealing cover of the quick joint of the pipeline according to claim 3, wherein the valve core assembly comprises a valve core and a pressure relief spring, a valve seat is arranged on the inner side of the pressure relief hole of the valve body, the valve core and the valve seat are blocked and assembled towards one side of the pressure relief spring, and the pressure relief spring is elastically pressed and assembled between the valve core and the valve body.
5. A dust seal cover for a quick joint of a pipeline according to claim 3, wherein a seal ring is assembled between the valve body and the wall of the assembly hole.
6. A dust seal cover for a quick connector for a pipeline according to any one of claims 1 to 4, wherein an inner wall of the seal cover is provided with an assembling table extending in an axial direction of the body, a central hole is formed in the assembling table, and the central hole forms the assembling hole.
7. The dust seal cover for a quick connector of a pipeline according to any one of claims 1 to 4, wherein the seal cover housing is a female end housing, the body is adapted to be sleeved on the outer side of the pipeline, and a connector handle adapted to be connected to the pipeline is provided on the outer side of the body.
8. A quick connector for a pipe as defined in any one of claims 1 to 4 wherein said seal housing is a male housing and said body is adapted to be inserted into a pipe.
9. The dust seal cover for a quick connector of a pipeline according to any one of claims 1 to 4, wherein a handle is further provided on the outer side of the sealing cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321137962.2U CN220102482U (en) | 2023-05-12 | 2023-05-12 | Dustproof sealing cover of pipeline quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321137962.2U CN220102482U (en) | 2023-05-12 | 2023-05-12 | Dustproof sealing cover of pipeline quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220102482U true CN220102482U (en) | 2023-11-28 |
Family
ID=88870134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321137962.2U Active CN220102482U (en) | 2023-05-12 | 2023-05-12 | Dustproof sealing cover of pipeline quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220102482U (en) |
-
2023
- 2023-05-12 CN CN202321137962.2U patent/CN220102482U/en active Active
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