CN219388741U - High-temperature automatic closing corrugated pipe - Google Patents
High-temperature automatic closing corrugated pipe Download PDFInfo
- Publication number
- CN219388741U CN219388741U CN202320360393.1U CN202320360393U CN219388741U CN 219388741 U CN219388741 U CN 219388741U CN 202320360393 U CN202320360393 U CN 202320360393U CN 219388741 U CN219388741 U CN 219388741U
- Authority
- CN
- China
- Prior art keywords
- valve
- connector
- valve rod
- corrugated pipe
- seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 230000008018 melting Effects 0.000 claims abstract description 9
- 238000002844 melting Methods 0.000 claims abstract description 9
- 239000010425 asbestos Substances 0.000 claims description 7
- 229910052895 riebeckite Inorganic materials 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 3
- 239000000155 melt Substances 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 20
- 239000004698 Polyethylene Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000010985 leather Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Landscapes
- Temperature-Responsive Valves (AREA)
Abstract
The utility model belongs to the technical field of corrugated pipes, in particular to a high-temperature automatic closing corrugated pipe; the valve comprises a corrugated pipe and connectors positioned at two ends of the corrugated pipe, wherein a channel communicated with an inner hole of the corrugated pipe is arranged in the connectors, a valve seat and a valve rod seat are sequentially arranged in the connectors along the axial direction, one end of the valve rod is provided with a valve core, the other end of the valve rod penetrates through the valve rod seat and extends out of the valve rod seat, a locking cap is screwed on the valve rod extending out of the valve rod seat, the valve core is in a separation state with the valve seat, a spring is sleeved on the valve rod between the valve core and the valve rod seat, two ends of the spring are respectively propped against the valve core and the valve rod seat, when the temperature reaches the melting point of the locking cap, the locking cap melts, and the spring force of the spring drives the valve core to be connected on the valve seat in a sealing manner to close the corrugated pipe; when a fire disaster occurs, the utility model can automatically melt when the temperature rises to the melting point of the locking cap, and the corrugated pipe is automatically closed, so that the casualties caused by closing the valve of the gas pipeline or the gas bottle when the fire disaster occurs and the secondary fire explosion accidents caused by gas escape are avoided.
Description
Technical field:
the utility model belongs to the technical field of corrugated pipes, and particularly relates to a high-temperature automatic closing corrugated pipe.
The background technology is as follows:
the gas corrugated pipe is used for connecting a gas pipeline with a gas appliance such as a gas stove, a gas water heater and the like and is used for conveying gas. The existing gas corrugated pipe has a structure that connectors are respectively arranged at two ends of the corrugated pipe, such as the gas corrugated pipe disclosed in Chinese patent (publication No. CN 206338498U, application date 2016.12.29 and publication date 2017.07.18) is the structure, the connectors only play a role in connection, and a gas channel is formed between the connectors and the corrugated pipe. The bellows will not close automatically in the event of a fire. The valve on the gas pipeline needs to be closed, and the potential safety hazard of casualties caused by closing the valve of the gas pipeline or the gas bottle when the fire occurs exists.
The utility model comprises the following steps:
the utility model aims to provide a high-temperature automatic closing corrugated pipe which can melt a locking cap when the temperature reaches the melting point of the locking cap in the case of firing so as to achieve an automatic closing effect.
The utility model is realized in the following way:
the utility model provides a high temperature self-closing bellows, includes bellows and the joint that is located the bellows both ends, be provided with the passageway that communicates with bellows hole in the joint, set gradually disk seat and valve rod seat outside from inside to outside along the axial in the joint, the one end of valve rod is provided with the case, the other end wears to establish on the valve rod seat and stretches out outside the valve rod seat, the spiro union has the locking cap on stretching out the valve rod outside the valve rod seat, at this moment, case and disk seat are in the separation state, the cover is equipped with the spring on the valve rod between case and valve rod seat, the both ends of spring are tightly on case and valve rod seat respectively, when the temperature reached the locking cap melting point, the locking cap melts, the spring force drive case sealing connection of spring closes the bellows on the disk seat.
In the high-temperature automatic closing corrugated pipe, the locking cap is made of plastic materials.
In the high-temperature automatic closing corrugated pipe, the connector comprises a first connector connected with the corrugated pipe, a second connector is arranged at the outer end of the first connector, a fixing cap is sleeved on the first connector, the fixing cap is in threaded connection with the second connector to realize connection between the first connector and the second connector, a first channel is arranged in the first connector, a second channel is arranged in the second connector, the first channel, the second channel and the inner cavity of the corrugated pipe are communicated, and the valve seat and the valve rod seat are arranged in the second channel.
In the high-temperature automatic closing corrugated pipe, a sealing ring for sealing the valve core and the valve seat is arranged on the valve core.
In the high-temperature automatic closing corrugated pipe, a first high-temperature-resistant insulating sealing gasket is arranged between the fixing cap and the first connector, and a second high-temperature-resistant insulating sealing gasket is arranged between the first connector and the second connector.
In the above-mentioned high-temperature automatic closing corrugated pipe, one end of the second joint adjacent to the first joint is provided with a high-temperature-resistant insulating sealing gasket groove, and one end of the second high-temperature-resistant insulating sealing gasket is arranged in the high-temperature-resistant insulating sealing gasket groove.
In the high-temperature automatic closing corrugated pipe, a step surface is arranged in the fixing cap, an annular convex edge is arranged on the outer side wall of the first joint, and the first high-temperature-resistant insulating sealing gasket is limited between the step surface and the annular convex edge.
In the high-temperature automatic closing corrugated pipe, the first high-temperature-resistant insulating sealing gasket and the second high-temperature-resistant insulating sealing gasket are asbestos gaskets.
In the high-temperature automatic closing corrugated pipe, the first joint is a flat joint, and the second joint is an external thread joint.
In the high-temperature automatic closing corrugated pipe, the corrugated pipe comprises a pipe body and PE (polyethylene) leather positioned outside the pipe body.
Compared with the prior art, the utility model has the outstanding advantages that:
1. when a fire disaster occurs, the fire disaster prevention device can automatically melt when the temperature rises to the melting point of the locking cap, so that the corrugated pipe is automatically closed to cut off the transportation of liquefied gas or gas, thereby avoiding casualties caused by closing a valve of a gas pipeline or a gas bottle when the fire disaster occurs and secondary fire explosion accidents caused by gas escape and greatly improving the safety;
2. the asbestos gasket has the effects of high temperature resistance and sealing, such as emergency situations of special occasions or fire disasters, and the like, avoids gas leakage between the first joint and the locking cap due to sealing failure between the first joint and the second joint, achieves the sealing effect, works stably and is safe to use.
3. The asbestos gasket of the present utility model has the insulating property that even if the corrugated pipe is electrified, no electric conduction phenomenon can occur between the locking cap and the first joint and between the first joint and the second joint, and the asbestos gasket is safe and reliable.
Description of the drawings:
FIG. 1 is a schematic view of the present utility model in a normal operating condition;
FIG. 2 is a schematic diagram of the present utility model after high temperature auto-shut down.
In the figure: 1. a valve seat; 2. a valve rod seat; 3. a valve stem; 4. a valve core; 5. a locking cap; 6. a spring; 7. a first joint; 8. a second joint; 9. a fixing cap; 10. a first channel; 11. a second channel; 12. a seal ring; 13. a first high temperature resistant insulating sealing gasket; 14. a second high temperature resistant insulating sealing gasket; 15. a tube body; 16. PE (polyethylene) leather; 17. a step surface; 18. annular flange.
The specific embodiment is as follows:
the utility model is further described below with reference to the specific examples, see fig. 1-2:
the utility model provides a high-temperature automatic closing corrugated pipe, which comprises a corrugated pipe and connectors at two ends of the corrugated pipe, wherein a channel communicated with an inner hole of the corrugated pipe is arranged in the connectors, a valve seat 1 and a valve rod seat 2 are sequentially arranged in the connectors from inside to outside along the axial direction, the valve rod seat 2 does not partition the channel, and the valve rod seat 2 and the connectors can be connected by adopting threads. One end of the valve rod 3 is provided with a valve core 4, the other end of the valve rod is arranged on the valve rod seat 2 in a penetrating manner and extends out of the valve rod seat 2, the valve rod 3 extending out of the valve rod seat 2 is connected with a locking cap 5 in a threaded manner, the locking cap 5 is made of plastic materials, at the moment, the valve core 4 and the valve seat 1 are in a separated state, a spring 6 is sleeved on the valve rod 3 between the valve core 4 and the valve rod seat 2, the spring 6 is in a compressed state, two ends of the spring 6 are respectively propped against the valve core 4 and the valve rod seat 2, when the temperature reaches the melting point of the locking cap 5, the locking cap 5 is melted, and the spring force of the spring 6 drives the valve core 4 to be connected with the valve seat 1 in a sealing manner to close the corrugated pipe. The high temperature herein refers to the melting point temperature of the locking cap 5. When a fire disaster occurs, the temperature rises to the melting point of the lock cap 5 and can be automatically melted, so that the corrugated pipe is automatically closed, the transportation of liquefied gas or fuel gas is cut off, the casualties caused by closing the valve when the fire disaster occurs and the secondary fire explosion accidents caused by gas escape are avoided, and the safety is greatly improved.
Further, the joint comprises a first joint 7 connected with the corrugated pipe, the first joint 7 is a flat joint, a second joint 8 is arranged at the outer end of the first joint 7, and the second joint 8 is an external thread joint. The first connector 7 is sleeved with a fixing cap 9, and the fixing cap 9 is a hexagonal cap. The fixed cap 9 is connected with the second connector 8 through threads, the first connector 7 is connected with the second connector 8, a first channel 10 is arranged in the first connector 7, a second channel 11 is arranged in the second connector 8, the first channel 10, the second channel 11 and the inner cavity of the corrugated pipe are communicated, and the valve seat 1 and the valve rod seat 2 are arranged in the second channel 11.
In order to prevent air leakage, the valve element 4 is provided with a sealing ring 12 for sealing the valve element 4 and the valve seat 1.
The utility model relates to an insulating corrugated pipe, a first high-temperature-resistant insulating sealing gasket 13 is arranged between a fixing cap 9 and a first connector 7, and a second high-temperature-resistant insulating sealing gasket 14 is arranged between the first connector 7 and a second connector 8. The first high-temperature-resistant insulating sealing gasket 13 and the second high-temperature-resistant insulating sealing gasket 14 are asbestos gaskets, can resist high temperature of 380 ℃, cannot fail in sealing in a high-temperature environment, and cannot cause air leakage. Because the fixing cap 9, the first connector 7 and the second connector 8 are all made of metal materials, even if the corrugated pipe is electrified, no electric conduction phenomenon can occur between the fixing cap 9 and the first connector 7 and between the first connector 7 and the second connector 8, and the corrugated pipe is safe and reliable.
In this embodiment, the bellows includes a tube 15 and a PE skin 16 located outside the tube 15. And the corrugated pipe is also made of insulating materials, so that the whole pipe achieves the insulating effect. In addition, the asbestos washer also has the effect of preventing air leakage.
In order to prevent the second high temperature resistant insulating sealing gasket 14 from shifting, a high temperature resistant insulating sealing gasket groove is formed in one end of the second joint 8 adjacent to the first joint 7, and one end of the second high temperature resistant insulating sealing gasket 14 is arranged in the high temperature resistant insulating sealing gasket groove.
In order to prevent the first high temperature resistant insulating sealing gasket 13 from shifting, a step surface 17 is arranged in the fixing cap 9, an annular convex edge 18 is arranged on the outer side wall of the first joint 7, and the first high temperature resistant insulating sealing gasket 13 is limited between the step surface 17 and the annular convex edge 18. In addition, the outer ring of the first high-temperature-resistant insulating sealing gasket 13 is tightly connected with the inner hole of the first joint 7.
The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model, therefore: all equivalent changes in shape, structure and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (10)
1. The utility model provides a high temperature self-closing bellows, includes bellows and is located the joint at bellows both ends, its characterized in that: the novel valve is characterized in that a channel communicated with an inner hole of the corrugated pipe is arranged in the connector, a valve seat (1) and a valve rod seat (2) are sequentially arranged in the connector from inside to outside along the axial direction, one end of the valve rod (3) is provided with a valve core (4), the other end of the valve rod is arranged on the valve rod seat (2) in a penetrating mode and extends out of the valve rod seat (2), a locking cap (5) is screwed on the valve rod (3) extending out of the valve rod seat (2), at this time, the valve core (4) and the valve seat (1) are in a separated state, a spring (6) is sleeved on the valve rod (3) between the valve core (4) and the valve rod seat (2), two ends of the spring (6) are respectively propped against the valve core (4) and the valve rod seat (2), when the temperature reaches the melting point of the locking cap (5), the locking cap (5) is melted, and the spring force of the spring (6) drives the valve core (4) to be in sealing connection with the valve seat (1) to close the corrugated pipe.
2. A high temperature auto-closing bellows according to claim 1, characterized in that: the lock cap (5) is made of plastic materials.
3. A high temperature auto-closing bellows according to claim 1, characterized in that: the connector comprises a first connector (7) connected with a corrugated pipe, a second connector (8) is arranged at the outer end of the first connector (7), a fixing cap (9) is sleeved on the first connector (7), the fixing cap (9) is in threaded connection with the second connector (8) to realize connection of the first connector (7) and the second connector (8), a first channel (10) is arranged in the first connector (7), a second channel (11) is arranged in the second connector (8), the first channel (10), the second channel (11) and the inner cavity of the corrugated pipe are communicated, and a valve seat and a valve rod seat are arranged in the second channel (11).
4. A high temperature auto-closing bellows according to claim 1 or 2 or 3, characterized in that: the valve core (4) is provided with a sealing ring (12) for sealing the valve core (4) and the valve seat (1).
5. A high temperature auto-closing bellows according to claim 3, characterized in that: a first high-temperature-resistant insulating sealing gasket (13) is arranged between the fixing cap (9) and the first connector (7), and a second high-temperature-resistant insulating sealing gasket (14) is arranged between the first connector (7) and the second connector (8).
6. A high temperature auto-closing bellows according to claim 5, characterized in that: one end of the second joint (8) adjacent to the first joint (7) is provided with a high-temperature-resistant insulating sealing gasket groove, and one end of the second high-temperature-resistant insulating sealing gasket (14) is arranged in the high-temperature-resistant insulating sealing gasket groove.
7. A high temperature auto-closing bellows according to claim 5, characterized in that: the fixing cap (9) is internally provided with a step surface (17), the outer side wall of the first joint (7) is provided with an annular convex edge (18), and the first high-temperature-resistant insulating sealing gasket (13) is limited between the step surface (17) and the annular convex edge (18).
8. A high temperature auto-closing bellows according to claim 5, characterized in that: the first high-temperature-resistant insulating sealing gasket (13) and the second high-temperature-resistant insulating sealing gasket (14) are asbestos gaskets.
9. A high temperature auto-closing bellows according to claim 3, characterized in that: the first connector (7) is a flat connector, and the second connector (8) is an external thread connector.
10. A high temperature auto-closing bellows according to claim 1 or 2 or 3, characterized in that: the corrugated pipe comprises a pipe body (15) and PE (16) positioned outside the pipe body (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320360393.1U CN219388741U (en) | 2023-02-22 | 2023-02-22 | High-temperature automatic closing corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320360393.1U CN219388741U (en) | 2023-02-22 | 2023-02-22 | High-temperature automatic closing corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219388741U true CN219388741U (en) | 2023-07-21 |
Family
ID=87200104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320360393.1U Active CN219388741U (en) | 2023-02-22 | 2023-02-22 | High-temperature automatic closing corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219388741U (en) |
-
2023
- 2023-02-22 CN CN202320360393.1U patent/CN219388741U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |