Home-entry gas pipeline connecting structure
By installing insulating joints and protective sleeves on the incoming gas pipeline and the main gas pipe, the problem of fire caused by current entering the gas pipeline during lightning strikes is solved, achieving dual protection of safety and leak prevention.
Patent Information
- Application Number
- CN202520778487.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-04-23
AI Technical Summary
The existing gas pipeline connection structure is prone to electric current being conducted into the gas pipeline during a lightning strike, which can cause the gas to ignite and burn, posing a safety hazard.
Insulating joints are installed on the incoming gas pipes and main gas pipes to cut off the current flow path, and protective sleeves are installed on the outside of the main gas pipes to prevent the current from being conducted to the ground.
It effectively blocks the current flow path, prevents gas pipelines from catching fire, eliminates safety hazards, and prevents gas leaks.
Smart Images

Figure CN223725718U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gas pipe connecting structure technical field, specifically, relates to a kind of household gas pipeline connecting structure. BACKGROUND
[0002] The household gas pipeline connecting structure on current market includes gas main pipe, household pipeline and valve body;The outlet end of gas main pipe is connected with the import end of valve body, and the import end of household pipeline is connected with the outlet end of valve body;In the above-mentioned household gas pipeline connecting structure, since household pipeline, valve body and gas main pipe are made of metal material, when the gas pipeline after household pipeline is struck by lightning, current can be introduced to ground along household pipeline, valve body and gas main pipe, that is, large current can flow through household gas pipeline, so that gas located in household gas pipeline is easily ignited, and there is great safety hazard. SUMMARY
[0003] The utility model solves the technical problem to provide a kind of household gas pipeline connecting structure, under the action of insulating joint, when the gas pipeline after household pipeline is struck by lightning, current can be avoided to pass through household pipeline, valve body and gas main pipe conduction to ground, that is, the path of current flow can be cut off, so that the gas in gas pipeline can be avoided to appear the situation of fire combustion, and security risk is eliminated.
[0004] The utility model provides a kind of household gas pipeline connecting structure, including gas main pipe, household pipeline and valve body;The outlet end of gas main pipe is connected with the import end of valve body, and the import end of household pipeline is connected with the outlet end of valve body;Gas main pipe and / or household pipeline are connected with insulating joint, and insulating joint is used to insulate the conduction path of gas main pipe and / or household pipeline.
[0005] The utility model can avoid current to pass through household pipeline, valve body and gas main pipe conduction to ground under the action of insulating joint when the gas pipeline after household pipeline is struck by lightning, that is, the path of current flow can be cut off, so that the gas in gas pipeline can be avoided to appear the situation of fire combustion, and security risk is eliminated.
[0006] The first cut-off part is arranged on the inlet pipe, and the insulation joint is arranged at the first cut-off part, and two ends of the insulation joint are axially fixed and circumferentially sealed with the inlet pipe on both sides of the first cut-off part; after the structure is adopted, the insulation joint can isolate the conductive path of the inlet pipe under the action of the insulation joint, so that when the gas pipe after the inlet pipe is struck by lightning, the current can be avoided from being conducted to the ground through the inlet pipe, the valve body, the gas main pipe and other gas accessories, that is, the path of the current flow can be cut off, so that the gas in the gas pipe can be avoided from being ignited and burned, and the safety hazard is eliminated.
[0007] The second cut-off part is arranged on the gas main pipe, and the insulation joint is arranged at the second cut-off part, and two ends of the insulation joint are axially fixed and circumferentially sealed with the gas main pipe on both sides of the second cut-off part; after the structure is adopted, the insulation joint can isolate the conductive path of the gas main pipe under the action of the insulation joint, so that when the valve body, the inlet pipe and other gas pipe accessories after the gas main pipe are struck by lightning, the current can be avoided from being conducted to the ground through the inlet pipe, the valve body, the gas main pipe and other gas accessories, that is, the path of the current flow can be cut off, so that the gas in the gas pipe can be avoided from being ignited and burned, and the safety hazard is eliminated.
[0008] The two insulation joints are arranged at the first cut-off part and the second cut-off part respectively, two ends of the insulation joint arranged at the first cut-off part are axially fixed and circumferentially sealed with the inlet pipe on both sides of the first cut-off part, and two ends of the insulation joint arranged at the second cut-off part are axially fixed and circumferentially sealed with the gas main pipe on both sides of the second cut-off part; after the insulation joints are arranged on the inlet pipe and the gas main pipe, the two insulation joints can further isolate the conductive path formed by the inlet pipe, the valve body and the gas main pipe, so that when the gas pipe after the inlet pipe is struck by lightning, the current can be further avoided from being conducted to the ground through the inlet pipe, the valve body, the gas main pipe and other gas accessories, that is, the path of the current flow can be further cut off, so that the gas in the gas pipe can be avoided from being ignited and burned, and the safety hazard is eliminated.
[0009] The inlet gas pipe connecting structure further comprises a protective sleeve, the protective sleeve is sleeved and fixed outside the gas main pipe, the upper end of the protective sleeve extends out of the ground, and the lower end of the protective sleeve extends into the ground; through the arrangement of the protective sleeve, the protective sleeve can protect the gas main pipe on the ground from being damaged due to impact or extrusion, so as to avoid gas leakage and eliminate safety hazards. BRIEF DESCRIPTION OF DRAWINGS
[0010] Fig. 1 Figure 1 is a front view structural schematic diagram of the utility model when the technical scheme of embodiment one is adopted;
[0011] Fig. 2 Figure 2 is a right view structural schematic diagram of the utility model when the technical scheme of embodiment one is adopted;
[0012] Fig. 3 Figure 3 is a front view structural schematic diagram of the utility model when the technical scheme of embodiment two is adopted;
[0013] Fig. 4 Figure 4 is a right view structural schematic diagram of the utility model when the technical scheme of embodiment two is adopted;
[0014] Fig. 5 Figure 5 is a front view structural schematic diagram of the utility model when the technical scheme of embodiment three is adopted;
[0015] Fig. 6 Figure 6 is a right view structural schematic diagram of the utility model when the technical scheme of embodiment three is adopted. DETAILED DESCRIPTION
[0016] First, those skilled in the art should understand that these embodiments are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments according to the needs in order to adapt to specific application occasions.
[0017] In the description of the embodiments of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0018] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be that the first feature is directly above or obliquely above the second feature, or it only means that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be that the first feature is directly below or obliquely below the second feature, or it only means that the horizontal height of the first feature is less than that of the second feature.
[0019] The present application will be further described in detail below in combination with the drawings and specific embodiments. Embodiment
[0020] Referring to Figs. 1-2 As shown in the figure, the embodiment of the present application discloses a household gas pipeline connection structure, which comprises a gas main pipe 1, a household pipeline 2 and a valve body 3; the outlet end of the gas main pipe 1 is connected with the inlet end of the valve body 3, and the inlet end of the household pipeline 2 is connected with the outlet end of the valve body 3; characterized in that: an insulating joint 4 is connected on the gas main pipe 1 and / or the household pipeline 2, and the insulating joint 4 is used for isolating the conductive path of the gas main pipe 1 and / or the household pipeline 2.
[0021] The first cutting-off part is arranged on the household pipeline 2, and the insulating joint 4 is arranged at the first cutting-off part, and the two ends of the insulating joint 4 are respectively fixed axially and sealed circumferentially with the household pipeline 2 located on the two sides of the first cutting-off part; after adopting this structure, since the insulating joint is arranged on the household pipeline, under the action of the insulating joint, the insulating joint can isolate the conductive path of the household pipeline, so that when the gas pipeline after the household pipeline is struck by lightning, the current can be avoided from being conducted to the ground through the household pipeline, the valve body, the gas main pipe and other gas accessories, that is, the path of the current flow can be cut off, so that the gas in the gas pipeline can be avoided from being ignited and burned, and the safety hazard is eliminated.
[0022] The household gas pipeline connection structure further comprises a protective sleeve 5, which is sleeved and fixed outside the gas main pipe 1, the upper end of the protective sleeve 5 extends out of the ground, and the lower end of the protective sleeve 5 extends into the ground; through the arrangement of the protective sleeve, the protective sleeve can protect the gas main pipe located on the ground from being damaged due to impact or extrusion, so as to avoid the leakage of gas and eliminate the safety hazard. Embodiment
[0023] Referring to Figs. 3-4 Different from the first embodiment, the second cutting-off part is arranged on the gas main pipe 1, and the insulating joint 4 is arranged at the second cutting-off part, and the two ends of the insulating joint 4 are respectively fixed axially and sealed circumferentially with the gas main pipe 1 located on the two sides of the second cutting-off part; after adopting this structure, since the insulating joint is arranged on the gas main pipe, under the action of the insulating joint, the insulating joint can isolate the conductive path of the gas main pipe, so that when the valve body, the household pipeline and other gas pipeline accessories after the gas main pipe are struck by lightning, the current can be avoided from being conducted to the ground through the household pipeline, the valve body, the gas main pipe and other gas accessories, that is, the path of the current flow can be cut off, so that the gas in the gas pipeline can be avoided from being ignited and burned, and the safety hazard is eliminated. Embodiment
[0024] Referring to Figs. 5-6Different from the first embodiment, two insulation joints 4 are arranged, a first cut-off part is arranged on the house service pipe 2, a second cut-off part is arranged on the gas main pipe 1, the two insulation joints 4 are arranged at the first cut-off part and the second cut-off part respectively, the two ends of the insulation joint 4 at the first cut-off part are axially fixed and circumferentially sealed with the house service pipe 2 on both sides of the first cut-off part respectively, and the two ends of the insulation joint 4 at the second cut-off part are axially fixed and circumferentially sealed with the gas main pipe 1 on both sides of the second cut-off part respectively; after the insulation joints are arranged on the house service pipe and the gas main pipe, the two insulation joints can further insulate the conductive path formed by the house service pipe, the valve body and the gas main pipe, so that when the gas pipe after the house service pipe is struck by lightning, the current can be further avoided from being conducted to the ground through the house service pipe, the valve body, the gas main pipe and other gas accessories, that is, the path of the current flow can be further interrupted, so that the gas in the gas pipe can be avoided from being ignited and burned, and the safety hazard is eliminated.
[0025] It should be noted that in the above embodiments, the insulation joints used in each embodiment are existing components on the market, which are prior art, and therefore will not be described here.
[0026] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any changes or replacements within the technical range disclosed in the present application can be easily thought by those skilled in the art, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A gas pipeline connection structure for entering a house, comprising a gas main pipe (1), a house-entering pipeline (2) and a valve body (3); the outlet end of the gas main pipe (1) is connected with the inlet end of the valve body (3), and the inlet end of the house-entering pipeline (2) is connected with the outlet end of the valve body (3); characterized in that: The gas main pipe (1) and / or the house inlet pipe (2) is connected with an insulation joint (4), and the insulation joint (4) is used for isolating the conductive path of the gas main pipe (1) and / or the house inlet pipe (2).
2. The in-house gas pipe connecting structure according to claim 1, characterized by: The house inlet pipe (2) is provided with a first cut-off part, and the insulation joint (4) is arranged at the first cut-off part, and the two ends of the insulation joint (4) are axially fixed and circumferentially sealed with the house inlet pipe (2) on both sides of the first cut-off part.
3. The in-house gas pipe connecting structure according to claim 1, characterized by: The gas main pipe (1) is provided with a second cut-off part, and the insulation joint (4) is arranged at the second cut-off part, and the two ends of the insulation joint (4) are axially fixed and circumferentially sealed with the gas main pipe (1) on both sides of the second cut-off part.
4. The in-house gas piping connection structure according to claim 1, characterized by: The insulation joint (4) is provided with two, the house inlet pipe (2) is provided with a first cut-off part, the gas main pipe (1) is provided with a second cut-off part, and the two insulation joints (4) are arranged at the first cut-off part and the second cut-off part respectively, and the two ends of the insulation joint (4) arranged at the first cut-off part are axially fixed and circumferentially sealed with the house inlet pipe (2) on both sides of the first cut-off part, and the two ends of the insulation joint (4) arranged at the second cut-off part are axially fixed and circumferentially sealed with the gas main pipe (1) on both sides of the second cut-off part.
5. The in-house gas piping connection structure according to any one of claims 1 to 3, characterized by: The house inlet gas pipe connecting structure further comprises a protective sleeve (5), the protective sleeve (5) is sleeved and fixed outside the gas main pipe (1), the upper end of the protective sleeve (5) extends out of the ground, and the lower end of the protective sleeve (5) extends into the ground.