CN211259956U - Natural gas distribution pipeline connecting device - Google Patents
Natural gas distribution pipeline connecting device Download PDFInfo
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- CN211259956U CN211259956U CN201922273425.0U CN201922273425U CN211259956U CN 211259956 U CN211259956 U CN 211259956U CN 201922273425 U CN201922273425 U CN 201922273425U CN 211259956 U CN211259956 U CN 211259956U
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Abstract
A natural gas distribution pipeline connecting device comprises a fixed clamping mechanism and a sealing mechanism; the fixed clamping mechanism comprises two clamping components, each clamping component comprises a C-shaped plate and a locking rod fixed on the C-shaped plate, the C-shaped plates are fixed at the joint between the two natural gas conveying pipes, the same sides of the two C-shaped plates are fixedly connected, one end of each locking rod is pivoted to the outer side surface of the C-shaped plate, and first external threads are arranged on the side surfaces of the locking rods; the sealing mechanism comprises two semi-cylindrical shells, wherein the inner side surfaces of the semi-cylindrical shells are provided with accommodating grooves, the side surfaces of two ends of each semi-cylindrical shell are provided with open slots matched with the outer side surface of the natural gas conveying pipe, the outer side surfaces of the semi-cylindrical shells are provided with threaded ports matched with the locking rods in a threaded manner, the inner side surfaces of the two semi-cylindrical shells are in sealed abutting joint, and the side surfaces of the open slots are in sealed abutting joint with the outer side surfaces of the; the utility model discloses compare existing equipment, have convenient to install and dismantle, the good characteristics of gas tightness.
Description
Technical Field
The utility model relates to a natural gas conveying equipment technical field, more specifically relates to a natural gas distribution pipeline connecting device.
Background
The natural gas pipeline transportation has the advantages of low transportation cost, small occupied area, quick construction, large oil and gas transportation amount, high safety performance, small transportation loss and the like. Among various types of pipelines for conveying natural gas, pipelines from urban pressure regulating metering stations to user branch lines are called gas distribution pipelines, the gas distribution pipelines are low in air pressure and can be made of PE (polyethylene) with light weight and convenient maintenance, the gas distribution pipelines are formed by sealing and connecting one section of PE pipe, but the existing gas distribution pipelines mainly adopt two PE pipe ends to be directly matched and are sealed by sealing belts, the joints of the gas distribution pipelines are easy to leak, and the gas distribution pipelines are inconvenient to disassemble and maintain if problems occur. Therefore, to solve the above problems, effective solutions need to be proposed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a natural gas distribution pipeline connecting device for solve the problem that the junction that exists among the prior art is revealed easily, inconvenient maintenance.
A natural gas distribution pipeline connecting device comprises a fixed clamping mechanism and a sealing mechanism;
the fixed clamping mechanism comprises two clamping components which are symmetrically arranged, each clamping component comprises a C-shaped plate and a locking rod fixed on the C-shaped plate, the concave side face of each C-shaped plate is in contact fit with the outer side face of the natural gas conveying pipe, the C-shaped plates are fixed at the joint between the two natural gas conveying pipes, the same side edges of the two C-shaped plates are fixedly connected, a fixed clamping area for the natural gas conveying pipes is formed between the C-shaped plates, one end of each locking rod is pivoted to the outer side face of the C-shaped plate, and first external threads are arranged on the side faces of the locking rods;
sealing mechanism includes that two are the semi-cylindrical casing that the symmetry set up, be equipped with the storage tank on the medial surface of semi-cylindrical casing, the both ends side of semi-cylindrical casing be equipped with natural gas transportation pipe lateral surface complex open slot, the lateral surface of semi-cylindrical casing be equipped with check lock lever screw-thread fit's screw thread mouth, the screw thread mouth with the storage tank is connected and is switched on, two sealed counterbalance between the medial surface of semi-cylindrical casing, two the storage tank forms sealed cavity, the side and the sealed counterbalance of natural gas transportation pipe lateral surface of open slot, in the check lock lever with when the screw thread mouth cooperates, the screw thread mouth is encapsulated situation.
Optionally, a square column is fixed to the other end of the locking rod, the maximum diameter of the square column is smaller than the diameter of the locking rod, an auxiliary torsion bar is fixed to the square column, and a square groove matched with the square column in an inserted mode is formed in the middle of the auxiliary torsion bar.
Optionally, a thread surface of the locking rod is paved with a raw material belt.
Optionally, a rubber layer is laid on the inner side surface of the semi-cylindrical shell and the side surface of the open slot.
Optionally, locking convex edges are respectively fixed on the outer side surfaces of the C-shaped plates at the edge positions of the two sides, a plurality of fixing holes for bolts to pass through are formed in the locking convex edges, and one side surface of each of the two locking convex edges on the same side is contacted and attached.
Optionally, the locking device further comprises an annular ring and a sealing cover, the annular ring is fixed on the outer side surface of the semi-cylindrical shell, the thread opening is located in the annular ring, second external threads are arranged on the outer side surface of the annular ring, an accommodating cavity for one end of the locking rod to extend into is formed in the sealing cover, and internal threads matched with the second external threads are arranged on the side surface of the accommodating cavity.
The utility model has the advantages that:
1. the joint of the two sections of natural gas distribution pipelines is detachably clamped and fixed through the two C-shaped plates, and the joint of the natural gas distribution pipelines is hermetically fixed through the detachable matching of the two semi-cylindrical shells, so that the joint of the two sections of natural gas distribution pipelines is conveniently installed and detached, and the later maintenance is facilitated;
2. through the contact counterbalance of the side surface of the opening groove on the semi-cylindrical shell and the side surface of the PE pipe and the sealing counterbalance of the inner side surface of the semi-cylindrical shell, the sealing chamber is sealed, and the leakage of the joint is effectively avoided.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of an overall structure of a natural gas distribution pipeline connection device provided by the present invention;
fig. 2 is a schematic side view of an embodiment of the present invention, which provides a natural gas distribution pipeline connecting device.
In the figure:
101. c-shaped plates; 102. a locking lever; 103. a square column; 104. locking the convex edge; 105. a fixing hole; 201. a semi-cylindrical housing; 202. a containing groove; 3. an auxiliary torsion bar; 401. an annular ring; 402. an accommodating cavity; 403. and (7) sealing the cover.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the present invention provides the following technical solutions:
a natural gas distribution pipeline connecting device comprises a fixed clamping mechanism and a sealing mechanism;
the fixed clamping mechanism comprises two clamping components which are symmetrically arranged, each clamping component comprises a C-shaped plate 101 and a locking rod 102 fixed on the C-shaped plate 101, the concave side face of the C-shaped plate 101 is in contact fit with the outer side face of the natural gas delivery pipe, the C-shaped plate 101 is fixed at the joint between the two natural gas delivery pipes, the same side edges of the two C-shaped plates 101 are fixedly connected, a fixed clamping area for the natural gas delivery pipe is formed between the C-shaped plates 101, one end of each locking rod 102 is pivoted to the outer side face of the C-shaped plate 101, and first external threads are arranged on the side face of;
sealing mechanism includes two semi-cylindrical casings 201 that are the symmetry and set up, be equipped with storage tank 202 on semi-cylindrical casing 201's the medial surface, semi-cylindrical casing 201's both ends side is equipped with the open slot with natural gas transportation pipe lateral surface complex, semi-cylindrical casing 201's lateral surface is equipped with the screw thread mouth with check lock lever 102 screw-thread fit, the screw thread mouth is connected with storage tank 202 and is switched on, sealed counterbalance between two semi-cylindrical casing 201's the medial surface, two storage tank 202 form sealed cavity, the side and the natural gas transportation pipe lateral surface of open slot are sealed counterbalance, when check lock lever 102 and screw thread mouth cooperate, the screw thread mouth is encapsulated situation.
The implementation, in particular to a natural gas conveying pipeline connecting device, the connecting part of two sections of natural gas distribution pipelines is detachably clamped and fixed through two C-shaped plates 101, and the connecting part of the natural gas distribution pipelines is sealed and fixed through the detachable matching of two semi-cylindrical shells 201, so that the convenient installation and disassembly of the connecting part of the two sections of natural gas distribution pipelines are realized, and the later-period maintenance is facilitated; through the side face contact counterbalance of the open slot on the semi-cylindrical shell 201 and the side face of the PE pipe, and through the sealing counterbalance of the inner side face of the semi-cylindrical shell 201, the sealing chamber is sealed, and the leakage of the joint is effectively avoided. In practical application, firstly, two C-shaped plates 101 are required to clamp and fix the joint of two sections of natural gas conveying pipelines, the fixing mode can adopt spot welding or bolts, then two semi-cylindrical shells 201 are respectively matched and fixed with the C-shaped plates 101, threaded openings on the semi-cylindrical shells 201 are in threaded fit with first external threads of the locking rods 102, the semi-cylindrical shells 201 are continuously close to the PE pipe by twisting the locking rods 102, finally, the inner side surfaces of the semi-cylindrical shells 201 are tightly attached, the side surfaces of the open grooves are tightly attached to the outer side surfaces of the PE pipe, and the sealing and fixing of the joint of the two sections of natural gas distribution pipelines are completed. The whole installation process is convenient to match, the sealing effect and the fixed clamping effect are both reliable, the disassembly and the maintenance in the future are facilitated, and the requirement of natural gas distribution engineering is met.
Further, the other end of the locking rod 102 is fixed with a square column 103, the maximum diameter of the square column 103 is smaller than the diameter of the locking rod 102, an auxiliary torsion bar 3 is fixed on the square column 103, a square groove matched with the square column 103 in an inserting mode is formed in the middle of the auxiliary torsion bar 3, the auxiliary torsion bar 3 is fixedly matched with the square column 103 on the locking rod 102 through the square groove, then an operator can increase the rotating torque of the locking rod 102 through the auxiliary torsion bar 3, the rotation of the locking rod 102 is facilitated, the two semi-cylindrical shells 201 are buckled more tightly, and therefore the sealing performance of the device is improved.
Furthermore, a thread surface of the locking rod 102 is paved with a raw material tape, which is a commonly used auxiliary sealing tool with reliable effect, and can further increase the sealing performance at the thread opening.
Further, a rubber layer is laid on the inner side face of the semi-cylindrical shell 201 and the side face of the open slot, the rubber layer has a certain deformable effect, and when the two semi-cylindrical shells 201 are mutually buckled and are in contact with the outer side face of the PE pipe, a better laminating effect can be achieved, so that the sealing effect of the device is increased.
Further, the lateral surface of C template 101 is located both sides border position and is fixed with the protruding edge 104 of locking respectively, be equipped with a plurality of fixed orificess 105 that supply the bolt to pass through on the protruding edge 104 of locking, in the protruding edge 104's of two locking side contact laminating of one side, the protruding setting of edge 104 of locking has further increased the convenience of C template 101 installation, C template 101 back of the mutual lock, through the protruding edge 104 contact laminating of locking with one side, and insert to establish on the fixed orifices 105 with the bolt, with nut locking cooperation, carry out reliable fixed to C template 101, the installation of device has been made things convenient for, dismantle and maintain.
Further, as shown in fig. 2, the locking device further comprises an annular ring 401 and a sealing cover 403, the annular ring 401 is fixed on the outer side surface of the semi-cylindrical shell 201, a thread opening is located in the annular ring 401, a second external thread is arranged on the outer side surface of the annular ring 401, a receiving cavity 402 into which one end of the locking rod 102 extends is arranged in the sealing cover 403, an internal thread matched with the second external thread is arranged on the side surface of the receiving cavity 402, after the locking bar 102 is tightened and the two semi-cylindrical housings 201 are sealed and fastened, the auxiliary torsion bar 3 can be removed, the threaded opening is a part which is relatively easy to generate gas leakage, at the moment, the annular ring 401 and the sealing cover 403 can be in threaded connection and sealing fit, the complete sealing of the threaded opening is ensured, meanwhile, the sealing cover 403 can seal the locking rod 102, which is beneficial to protecting the locking rod 102 in all directions and preventing the locking rod 102 from being corroded due to long-term exposure.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (6)
1. A natural gas distribution pipeline connecting device is characterized in that,
comprises a fixed clamping mechanism and a sealing mechanism;
the fixed clamping mechanism comprises two clamping components which are symmetrically arranged, each clamping component comprises a C-shaped plate (101) and a locking rod (102) fixed on the C-shaped plate (101), the concave side surface of the C-shaped plate (101) is contacted and attached with the outer side surface of the natural gas conveying pipe, the C-shaped plate (101) is fixed at the joint between the two natural gas conveying pipes, the same side edges of the two C-shaped plates (101) are fixedly connected, a fixed clamping area for the natural gas conveying pipe is formed between the C-shaped plates (101), one end of each locking rod (102) is pivoted on the outer side surface of the C-shaped plate (101), and a first external thread is arranged on the side surface of each locking rod (102);
sealing mechanism includes two semi-cylindrical casing (201) that are the symmetry and set up, be equipped with storage tank (202) on the medial surface of semi-cylindrical casing (201), the both ends side of semi-cylindrical casing (201) be equipped with natural gas delivery pipe lateral surface complex open slot, the lateral surface of semi-cylindrical casing (201) be equipped with check lock lever (102) screw-thread fit's screw thread mouth, the screw thread mouth with storage tank (202) are connected and are switched on, two sealed counterbalance between the medial surface of semi-cylindrical casing (201), two storage tank (202) form sealed cavity, the side and the natural gas delivery pipe lateral surface of open slot are sealed to offset, in check lock lever (102) with when the screw thread mouth cooperates, the screw thread mouth is encapsulated situation.
2. A natural gas distribution pipeline connecting device according to claim 1, wherein:
the locking device is characterized in that a square column (103) is fixed to the other end of the locking rod (102), the maximum diameter of the square column (103) is smaller than that of the locking rod (102), an auxiliary torsion bar (3) is fixed to the square column (103), and a square groove which is matched with the square column (103) in an inserted mode is formed in the middle of the auxiliary torsion bar (3).
3. A natural gas distribution pipeline connecting device according to claim 1, wherein:
the thread surface of the locking rod (102) is paved with a raw material belt.
4. A natural gas distribution pipeline connecting device according to claim 1, wherein:
rubber layers are laid on the inner side face of the semi-cylindrical shell (201) and the side face of the open slot.
5. A natural gas distribution pipeline connecting device according to claim 1, wherein:
the outer side face of the C-shaped plate (101) is located at the edge positions of two sides and is respectively fixed with a locking convex edge (104), a plurality of fixing holes (105) for bolts to pass through are formed in the locking convex edge (104), and two locking convex edges are arranged on the same side and are in contact fit with one side face of each locking convex edge (104).
6. A natural gas distribution pipeline connecting device according to claim 2, wherein:
still include annular ring (401) and sealed lid (403), the annular ring (401) of telling is fixed in the lateral surface of semi-cylindrical casing (201), the screw thread mouth is located in annular ring (401), the lateral surface of annular ring (401) is equipped with the second external screw thread, sealed lid (403) are interior to have the confession holding cavity (402) that the one end of check lock lever (102) stretched into, holding cavity (402) side be equipped with the internal thread of second external screw thread fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922273425.0U CN211259956U (en) | 2019-12-17 | 2019-12-17 | Natural gas distribution pipeline connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922273425.0U CN211259956U (en) | 2019-12-17 | 2019-12-17 | Natural gas distribution pipeline connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211259956U true CN211259956U (en) | 2020-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922273425.0U Active CN211259956U (en) | 2019-12-17 | 2019-12-17 | Natural gas distribution pipeline connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211259956U (en) |
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2019
- 2019-12-17 CN CN201922273425.0U patent/CN211259956U/en active Active
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