CN211716015U - Gas pipeline expansion joint - Google Patents
Gas pipeline expansion joint Download PDFInfo
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- CN211716015U CN211716015U CN201922175499.0U CN201922175499U CN211716015U CN 211716015 U CN211716015 U CN 211716015U CN 201922175499 U CN201922175499 U CN 201922175499U CN 211716015 U CN211716015 U CN 211716015U
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- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000008646 thermal stress Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
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Abstract
The utility model discloses a gas pipeline telescopic joint relates to gas pipeline telescopic joint technical field, for solving current gas pipeline telescopic joint and breaking easily at the in-process that uses, leads to the problem of gas leakage. The outer wall of the supporting tube is provided with an auxiliary plate, the outer wall of the auxiliary plate is provided with a supporting plate, a fixing plate is arranged inside the supporting plate, a fixing shaft is arranged inside the fixing plate, a fastening nut is arranged on the outer wall of the fixing shaft, a telescopic hose is arranged above the supporting tube, corrugated patterns are arranged on the outer wall of the telescopic hose, a connecting pipe is arranged above the telescopic hose, a connecting disc is arranged on one side of the connecting pipe, a fixing screw hole is formed inside the connecting disc, a reversing bent pipe is arranged on one side of the connecting disc, a rectangular plate is arranged above the reversing bent pipe, a stud bolt is arranged inside the rectangular plate, and a rotating shaft is arranged on one side.
Description
Technical Field
The utility model relates to a gas pipeline telescopic joint technical field specifically is a gas pipeline telescopic joint.
Background
The gas pipeline comprises a control valve, a filter, a pressure gauge, a flowmeter, an on-line analyzer and the like, and is preferably arranged in the gas inlet chamber in a centralized manner. The pipeline can bear a plurality of external forces, including the weight of the pipeline, the thrust of gas acting on the end of the pipeline, thermal stress caused by expansion and contraction, vibration load, earthquake disaster and the like. In order to ensure the strength and rigidity of the pipeline, various supports such as a movable support, a guide support, a spring support and the like must be arranged. The arrangement of the bracket is determined according to the conditions of the diameter, the material, the wall thickness of the pipe, the load and the like of the pipeline. In order to remove condensed water, the steam and other gas pipelines containing water should have a certain gradient, for the underground drainage pipeline utilizing gravity flow, the steam or other gas pipelines containing water are equipped with drain pipe or drain valve at the lowest point, some gas pipelines are also equipped with gas-water separator so as to drain water liquid in time, prevent water hammer in the pipeline and block gas flow. If the pipe cannot freely stretch or contract, a large additional stress is generated. Expansion joints are generally required to be arranged on pipelines with large temperature change and normal-temperature pipelines needing free displacement.
The existing gas pipeline expansion joint is easy to break in the using process, so that the problem of gas leakage is caused; thus, the existing requirements are not met, and a gas pipeline expansion joint is provided for the purpose.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas pipeline telescopic joint to propose current gas pipeline telescopic joint and break off easily at the in-process that uses among the solution above-mentioned background art, lead to gas leakage's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gas pipeline telescopic joint, includes the stay tube, its characterized in that: the outer wall of the supporting tube is provided with an auxiliary plate, the outer wall of the auxiliary plate is provided with a supporting plate, a fixing plate is arranged inside the supporting plate, a fixing shaft is arranged inside the fixing plate, the outer wall of the fixing shaft is provided with a fastening nut, a flexible hose is arranged above the supporting tube, the outer wall of the flexible hose is provided with wave patterns, a connecting pipe is arranged above the flexible hose, one side of the connecting pipe is provided with a connecting disc, the inside of the connecting disc is provided with a fixing screw hole, one side of the connecting disc is provided with a reversing elbow, a rectangular plate is arranged above the reversing elbow, a stud is arranged inside the rectangular plate, one side of the rectangular plate is provided with a rotating shaft, the outer wall of the rotating shaft is provided with a rotating handle, a flange plate is arranged above the rotating, the supporting device is characterized in that a supporting shaft is arranged on one side of the supporting table, a connecting table is arranged on one side of the supporting shaft, a rotating hand wheel is arranged on one side of the connecting table, a reinforcing pipe is arranged on the outer wall of the supporting shaft, and a connecting hole is formed in the reinforcing pipe.
Preferably, the number of the fixed shafts is four, and the four fixed shafts are uniformly distributed outside the telescopic hose.
Preferably, the fastening nuts are provided in four, and the four fastening nuts are symmetrical about a vertical center line of the fixing plate.
Preferably, the connecting holes are provided with a plurality of connecting holes, and the connecting holes are closely distributed in the reinforcing pipe.
Preferably, the reinforced pipe and the supporting pipe are both connected with the telescopic hose in a welding mode.
Preferably, the stud bolts are four and are closely distributed around the rectangular plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a fixed axle and fastening nut structure, the fracture that causes the bellows when harm such as thermal stress, vibration load and earthquake calamity that thrust, expend with heat and contract with cold that resist the pipe end arouse is avoided to the length of restriction bellows that can be great to lead to gas leakage to influence life safety's problem.
2. Through setting up stay tube and reinforced pipe structure, can improve the intensity of gas pipeline telescopic joint, avoid taking place the pipeline crackle at the tensile in-process of bellows to avoid gas explosion's danger.
3. Through setting up rotatory handle and rotatory hand wheel structure, speed and pressure when can adjusting gas transport avoid too big speed or the too big fracture that causes the gas piping telescopic joint of pressure to the life of the gas piping telescopic joint of great extension has also improved the security of gas piping telescopic joint simultaneously.
Drawings
FIG. 1 is a side view of the overall shaft of the present invention;
FIG. 2 is an overall front view of the present invention;
FIG. 3 is an overall side view of the present invention;
fig. 4 is an overall plan view of the present invention.
In the figure: 1. supporting a tube; 2. an auxiliary plate; 3. a fixing plate; 4. a support plate; 5. a fixed shaft; 6. fastening a nut; 7. a flexible hose; 8. wave-shaped lines; 9. a connecting pipe; 10. a connecting disc; 11. a set screw hole; 12. reversing the bent pipe; 13. rotating the handle; 14. a rectangular plate; 15. a stud bolt; 16. a rotating shaft; 17. a support table; 18. a reinforcement tube; 19. connecting holes; 20. a flange plate; 21. a support shaft; 22. rotating a hand wheel; 23. a connecting table.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, the present invention provides an embodiment: a gas pipeline expansion joint comprises a supporting pipe 1, a stretching length of an expansion hose 7 can be limited, an auxiliary plate 2 is arranged on the outer wall of the supporting pipe 1, the strength of the supporting pipe 1 can be improved, a supporting plate 4 is arranged on the outer wall of the auxiliary plate 2, a fixing plate 3 is arranged inside the supporting plate 4, a fixing shaft 5 is arranged inside the fixing plate 3, the length of the expansion hose 7 can be firmly clamped, a fastening nut 6 is arranged on the outer wall of the fixing shaft 5, the expansion hose 7 is arranged above the supporting pipe 1, the pressure during gas conveying can be reduced, wavy grains 8 are arranged on the outer wall of the expansion hose 7, the pressure during gas conveying can be buffered, a connecting pipe 9 is arranged above the expansion hose 7, the gas conveying speed can be controlled, a connecting disc 10 is arranged on one side of the connecting pipe 9, a fixing screw hole 11 is arranged inside the connecting, a rectangular plate 14 is arranged above the reversing elbow 12, a stud 15 is arranged inside the rectangular plate 14, a rotating shaft 16 is arranged on one side of the rectangular plate 14, a rotating handle 13 is arranged on the outer wall of the rotating shaft 16, the speed of gas conveying can be adjusted, a flange plate 20 is arranged above the rotating handle 13, a support table 17 is arranged below the flange plate 20, a support shaft 21 is arranged on one side of the support table 17, a connecting table 23 is arranged on one side of the support shaft 21, a rotating hand wheel 22 is arranged on one side of the connecting table 23, the pressure of the gas conveying can be controlled, a reinforcing pipe 18 is arranged on the outer wall of the support shaft 21, a connecting hole 19 is formed inside the reinforcing pipe 18, and the gas pipeline expansion joint and the gas pipeline can.
Further, the fixed shafts 5 are four, the four fixed shafts 5 are uniformly distributed outside the telescopic hose 7, firmness of the telescopic hose 7 can be improved, and the telescopic hose 7 is prevented from being broken in the stretching process.
Further, the number of the fastening nuts 6 is four, and the four fastening nuts 6 are symmetrical about the vertical center line of the fixing plate 3, so that the fixing shaft 5 can be firmly fixed in the fixing plate 3, and the phenomena of slipping and breaking are avoided.
Furthermore, the connecting holes 19 are provided with a plurality of connecting holes 19 which are closely distributed in the reinforcing pipe 18, so that the gas pipeline expansion joint and the gas pipeline can be firmly fixed together, and the danger of gas leakage caused by gaps is avoided.
Furthermore, the reinforcing pipe 18 and the supporting pipe 1 are both connected with the telescopic hose 7 in a welding mode, so that firmness between the reinforcing pipe and the supporting pipe can be improved, and the possibility of gas leakage caused by cracks generated in long-time use is avoided.
Further, four stud bolts 15 are arranged, and the four stud bolts 15 are closely distributed around the rectangular plate 14, so that the rectangular plate 14 can be firmly fixed on the outer wall of the connecting pipe 9, and the rectangular plate 14 is prevented from being broken due to large air pressure when the valve is closed.
The working principle is as follows: when the device is used, firstly, the connection holes 19 of the support tube 1 and the reinforcing tube 18 are respectively aligned with the connection holes 19 of the gas straight tube, then the fixing tube is fixed by using the stud bolts, then the fixing shaft 5 sequentially penetrates through the inside of the fixing plate 3, the fixing tube is firmly fixed by using the fastening nuts, the flexible hose is clamped, then the connecting tube 9 and the reversing bent tube 12 are sequentially connected together, the speed and the pressure are adjusted by using the rotary handle 13 and the rotary hand wheel 22 according to the characteristics of gas, when the thrust of the tube end, the thermal stress caused by thermal expansion and cold contraction, the vibration load, the earthquake disaster and the like occur, the flexible hose 7 slightly vibrates, the wavy veins 8 can be elongated a little bit, so that the suddenly increased pressure and resistance can be buffered, and finally, when the resistances are weakened or eliminated, the wavy veins 8 can be slowly recovered to the original shape under.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A gas line telescopic joint, includes stay tube (1), its characterized in that: an auxiliary plate (2) is arranged on the outer wall of the supporting tube (1), a supporting plate (4) is arranged on the outer wall of the auxiliary plate (2), a fixing plate (3) is arranged inside the supporting plate (4), a fixing shaft (5) is arranged inside the fixing plate (3), a fastening nut (6) is arranged on the outer wall of the fixing shaft (5), a flexible hose (7) is arranged above the supporting tube (1), corrugated grains (8) are arranged on the outer wall of the flexible hose (7), a connecting tube (9) is arranged above the flexible hose (7), a connecting disc (10) is arranged on one side of the connecting tube (9), a fixing screw hole (11) is arranged inside the connecting disc (10), a reversing elbow (12) is arranged on one side of the connecting disc (10), and a rectangular plate (14) is arranged above the reversing elbow (12), the inside of rectangular plate (14) is provided with stud (15), one side of rectangular plate (14) is provided with rotation axis (16), the outer wall of rotation axis (16) is provided with rotatory handle (13), the top of rotatory handle (13) is provided with ring flange (20), the below of ring flange (20) is provided with brace table (17), one side of brace table (17) is provided with back shaft (21), one side of back shaft (21) is provided with connection platform (23), one side of connecting platform (23) is provided with rotatory hand wheel (22), the outer wall of back shaft (21) is provided with reinforced pipe (18), the inside of reinforced pipe (18) is provided with connecting hole (19).
2. A gas line expansion joint as claimed in claim 1, wherein: the number of the fixed shafts (5) is four, and the four fixed shafts (5) are uniformly distributed outside the telescopic hose (7).
3. A gas line expansion joint as claimed in claim 1, wherein: the number of the fastening nuts (6) is four, and the four fastening nuts (6) are symmetrical about the vertical center line of the fixing plate (3).
4. A gas line expansion joint as claimed in claim 1, wherein: the connecting holes (19) are provided with a plurality of connecting holes (19), and the connecting holes (19) are tightly distributed in the reinforcing pipe (18).
5. A gas line expansion joint as claimed in claim 1, wherein: the reinforcing pipe (18) and the supporting pipe (1) are both connected with the telescopic hose (7) in a welding mode.
6. A gas line expansion joint as claimed in claim 1, wherein: the number of the stud bolts (15) is four, and the four stud bolts (15) are closely distributed around the rectangular plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922175499.0U CN211716015U (en) | 2019-12-08 | 2019-12-08 | Gas pipeline expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922175499.0U CN211716015U (en) | 2019-12-08 | 2019-12-08 | Gas pipeline expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211716015U true CN211716015U (en) | 2020-10-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922175499.0U Active CN211716015U (en) | 2019-12-08 | 2019-12-08 | Gas pipeline expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211716015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682604A (en) * | 2020-12-21 | 2021-04-20 | 中国地震局工程力学研究所 | Large-displacement protection device for field gas pipeline |
-
2019
- 2019-12-08 CN CN201922175499.0U patent/CN211716015U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682604A (en) * | 2020-12-21 | 2021-04-20 | 中国地震局工程力学研究所 | Large-displacement protection device for field gas pipeline |
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