Gas pipeline structure with foundation settlement compensation function

By introducing a 'U'-shaped compensation pipe and an insulating joint structure into the gas pipeline, the gas leakage problem caused by foundation settlement was solved, and the stable connection and safety of the gas pipeline were achieved.

CN223662932UActive Publication Date: 2025-12-12ZHEJIANG BANNINGER PIPING SYST LTD
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Patent Information

Application Number
CN202520778486.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2025-12-12
Estimated Expiration
2035-04-23

AI Technical Summary

Technical Problem

Existing gas pipeline structures are prone to detachment from the inlet pipe and valve body during foundation settlement, causing gas leaks and posing safety hazards.

Method used

The 'U'-shaped compensation pipe structure is adopted to compensate for foundation settlement through the deformation of the compensation pipe, and to prevent the gas pipeline components from separating. This includes the connection of 'U'-shaped bends, straight pipes and elbows, ensuring airtightness, and installing insulating joints and protective sleeves where necessary to prevent lightning strikes and mechanical damage.

Benefits of technology

It effectively avoids the safety hazards of gas leakage and fire, and compensates for foundation settlement by compensating for the deformation of the compensation pipe, ensuring the connection stability and safety of the gas pipeline.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a gas pipeline structure with a foundation settlement compensation function, which comprises a gas main pipe, a valve body and a house-service pipeline, the outlet end of the gas main pipe is connected with the inlet end of the valve body, and the inlet end of the house-service pipeline is connected with the outlet end of the valve body; the gas pipeline structure further comprises a U-shaped compensation pipe. The compensation pipe is transversely arranged and is connected in series between the gas main pipe and the valve body, or the compensation pipe is connected in series between the household pipeline and the valve body; under the action of the compensation pipe, when the foundation is settled, the compensation pipe can deform, so that the settlement of the foundation can be compensated, the condition that all parts in the gas pipeline are separated from one another can be avoided, gas leakage can be avoided, and potential safety hazards are eliminated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gas pipe connecting structure technical field, specifically, relate to a kind of gas pipeline structure with ground subsidence compensation function. BACKGROUND

[0002] The gas pipeline structure on market currently includes gas main pipe, house pipe and valve body;The outlet end of gas main pipe is connected with the import end of valve body, the import end of house pipe is connected with the export end of valve body, in addition, the lower end of gas main pipe is inserted underground;However, in the above-mentioned gas pipeline structure, when ground subsidence occurs, it will generate pull force to gas main pipe, at this time, it is easy to make house pipe and valve body and house pipe and valve body appear disengagement condition, thereby it can cause gas leakage, that is, there is great security risk. SUMMARY

[0003] The utility model solves technical problem to provide a kind of gas pipeline structure with ground subsidence compensation function, it can produce deformation under the action of compensation pipe when ground subsidence occurs, so as to compensate the subsidence of ground, and then can avoid mutual disengagement condition between each component in gas pipeline, that is, can avoid gas leakage, eliminate security risk.

[0004] The utility model provides a kind of gas pipeline structure with ground subsidence compensation function, including gas main pipe, valve body and house pipe, the outlet end of gas main pipe is connected with the import end of valve body, the import end of house pipe is connected with the export end of valve body;Gas pipeline structure further includes the compensation pipe of "U" shape;Compensation pipe is laterally arranged, compensation pipe is connected between gas main pipe and valve body, or compensation pipe is connected between house pipe and valve body.

[0005] The utility model can produce deformation under the action of compensation pipe when ground subsidence occurs, so as to compensate the subsidence of ground, and then can avoid mutual disengagement condition between each component in gas pipeline, that is, can avoid gas leakage, eliminate security risk by adopting the above structure.

[0006] In a possible implementation, the compensation pipe comprises a "U"-shaped elbow pipe, two straight pipes and two elbows; the two straight pipes are arranged in an up-down interval and in parallel, the two ends of the elbow pipe are respectively connected and fixed with one end of one of the straight pipes and circumferentially sealed, the other ends of the two straight pipes are respectively connected and fixed with one end of one of the elbows and circumferentially sealed, the other ends of the two elbows are respectively connected and fixed with the outlet end of the valve body and the inlet end of the household pipe and circumferentially sealed; after the compensation pipe is used, when the ground subsides, that is, when the gas main pipe pulls down the valve body, the compensation pipe and the household pipe, the two sides of the "U"-shaped elbow pipe can expand outward and deform, so as to compensate for the subsidence of the ground, thereby avoiding the disconnection between the gas main pipe and the valve body, the compensation pipe and the valve body and the household pipe and the compensation pipe, that is, avoiding the leakage of gas and eliminating the safety hazard.

[0007] In a possible implementation, one end of each of the two straight pipes is inserted into one end of the elbow pipe and clamped and fixed with the end of the elbow pipe and circumferentially sealed; after this structure is used, one end of each of the two straight pipes can be reliably fixed with one end of the elbow pipe and circumferentially sealed, and the clamping structure and mode of the end of the straight pipe and the end of the elbow pipe are the existing technology on the market, so they will not be described here.

[0008] In a possible implementation, the other end of each of the two straight pipes is inserted into one end of one of the elbows and clamped and fixed with the end of the elbow and circumferentially sealed; after this structure is used, the other end of each of the two straight pipes can be fixed with one end of one of the elbows and circumferentially sealed, and the clamping structure and mode of the other end of the straight pipe and the end of the elbow are the existing technology on the market, so they will not be described here.

[0009] In a possible implementation, the flange plate at the outlet end of the valve body is welded and fixed with the other end of the elbow on one side of the valve body and circumferentially sealed; after this structure is used, the other end of the elbow on one side of the valve body can be reliably fixed with the flange plate and circumferentially sealed.

[0010] In a possible implementation, the inlet end of the household pipe is inserted into the other end of the elbow on one side of the household pipe, the inlet end of the household pipe is clamped and fixed with the other end of the elbow on one side of the household pipe and circumferentially sealed; after this structure is used, the inlet end of the household pipe can be reliably fixed with the other end of the elbow on one side of the household pipe and circumferentially sealed, and the clamping structure and mode of the inlet end of the household pipe and the other end of the elbow are the existing technology on the market, so they will not be described here.

[0011] In a possible implementation, the gas pipeline structure further comprises an insulating joint; the insulating joint is connected in series on the compensation pipe or the gas main pipe; through the arrangement of the insulating joint, when the gas pipeline after the house inlet pipeline is struck by lightning, the insulating joint can block the conduction of the current to the ground, so that the gas in the gas pipeline can be prevented from being ignited and combusted, and the safety hazard is eliminated.

[0012] In a possible implementation, one of the straight pipes is provided with a first cut-off part, the insulating joint is arranged at the first cut-off part, and the two ends of the insulating joint are axially fixed to the straight pipes on the two sides of the first cut-off part and circumferentially sealed; through the adoption of this structure, when the gas pipeline after the house inlet pipeline is struck by lightning, the insulating joint can block the conduction of the current to the ground, so that the gas in the gas pipeline can be prevented from being ignited and combusted, and the safety hazard is eliminated.

[0013] In a possible implementation, the gas main pipe is provided with a second cut-off part, the insulating joint is arranged at the second cut-off part, and the two ends of the insulating joint are axially fixed to the gas main pipes on the two sides of the second cut-off part and circumferentially sealed; through the adoption of this structure, when the gas pipeline after the house inlet pipeline is struck by lightning, the insulating joint can block the conduction of the current to the ground, so that the gas in the gas pipeline can be prevented from being ignited and combusted, and the safety hazard is eliminated.

[0014] In a possible implementation, the gas pipeline structure further comprises a protective sleeve, the protective sleeve is fixedly sleeved on the outside of 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 that the leakage of the gas can be avoided, and the safety hazard is eliminated. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structure schematic view when the technical scheme of the embodiment one of the present application is adopted.

[0016] Figure 2 is a structure schematic view when the technical scheme of the embodiment two of the present application is adopted. DETAILED DESCRIPTION

[0017] First, those skilled in the art should understand that these implementations 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 adjust them as needed in order to adapt to specific application occasions.

[0018] In the description of the embodiments of the present application, it should be noted that unless specifically defined and limited otherwise, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be 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.

[0019] In the embodiments of the present application, unless specifically defined and limited otherwise, 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 the first feature directly above or obliquely above the second feature, or it can only mean 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 the first feature directly below or obliquely below the second feature, or it can only mean that the horizontal height of the first feature is less than that of the second feature.

[0020] The present application will be further described in detail below in conjunction with the drawings and specific embodiments.

[0021] Embodiment one

[0022] Referring to Figure 1 As shown in the drawings, the present application discloses a gas pipeline structure with foundation settlement compensation function, which comprises a gas main pipe 1, a valve body 2 and a house pipeline 3. The outlet end of the gas main pipe 1 is connected with the inlet end of the valve body 2, and the inlet end of the house pipeline 3 is connected with the outlet end of the valve body 2. The gas pipeline structure further comprises a "U"-shaped compensation pipe 4. The compensation pipe 4 is arranged transversely, and the compensation pipe 4 is connected in series between the gas main pipe 1 and the valve body 2, or the compensation pipe 4 is connected in series between the house pipeline 3 and the valve body 2.

[0023] The compensation pipe 4 comprises a "U"-shaped elbow pipe 41, two straight pipes 42 and two elbows 43. The two straight pipes 42 are arranged in parallel and spaced apart vertically. The two ends of the elbow pipe 41 are respectively connected and fixed with one end of one of the straight pipes 42 and are circumferentially sealed. The other ends of the two straight pipes 42 are respectively connected and fixed with one end of one of the elbows 43 and are circumferentially sealed. The other ends of the two elbows 43 are respectively connected and fixed with the outlet end of the valve body 2 and the inlet end of the house pipeline 3 and are circumferentially sealed. After using this compensation pipe, when the foundation settles, that is, when the gas main pipe pulls down the valve body, the compensation pipe and the house pipeline, the two sides of the "U"-shaped elbow pipe can expand outward and deform, thereby compensating for the settlement of the foundation, and avoiding the disconnection between the gas main pipe and the valve body, the compensation pipe and the valve body, and the house pipeline and the compensation pipe, that is, avoiding the leakage of gas, and eliminating the safety hazard.

[0024] One end of the two straight pipes 42 is respectively inserted into one end of the elbow pipe 41 and is clamped and fixed with the end of the elbow pipe 41 and is circumferentially sealed; by adopting this structure, one end of the two straight pipes can be reliably fixed with one end of the elbow pipe and circumferentially sealed, and the clamping structure and mode of the end of the straight pipe and the elbow pipe are the existing technology on the market, so it is not described here.

[0025] The other end of the two straight pipes 42 is respectively inserted into one end of one of the elbows 43 and is clamped and fixed with one end of the elbow 43 and is circumferentially sealed; by adopting this structure, the other end of the two straight pipes can be fixed with one end of one of the elbows and achieve the purpose of circumferential sealing, and the clamping structure and mode of the other end of the straight pipe and the end of the elbow are the existing technology on the market, so it is not described here.

[0026] The flange plate 21 at the outlet end of the valve body 2 is welded and fixed with the other end of the elbow 43 on one side of the valve body 2 and is circumferentially sealed; by adopting this structure, the other end of the elbow on one side of the valve body can be reliably fixed with the flange plate and achieve the purpose of circumferential sealing.

[0027] The inlet end of the house pipe 3 is inserted into the other end of the elbow 43 on one side of the house pipe 3, and the inlet end of the house pipe 3 is clamped and fixed with the other end of the elbow 43 on one side of the house pipe 3 and is circumferentially sealed; by adopting this structure, the inlet end of the house pipe can be reliably fixed with the other end of the elbow on one side of the house pipe 3 and achieve the purpose of circumferential sealing, and the clamping structure and mode of the inlet end of the house pipe and the other end of the elbow are the existing technology on the market, so it is not described here.

[0028] The gas pipe structure further comprises an insulating joint 5; the insulating joint 5 is connected in series on the compensation pipe 4 or the gas main pipe 1; by the setting of the insulating joint, under the action of the insulating joint, when the gas pipe after the house pipe is struck by lightning, the current can be blocked from conducting to the ground, so that the gas in the gas pipe can be prevented from being ignited and burned, and the safety hazard is eliminated.

[0029] One of the straight pipes 42 is provided with a first cutting part, the insulating joint 5 is arranged at the first cutting part, and the two ends of the insulating joint 5 are respectively axially fixed with the straight pipes 42 on both sides of the first cutting part and are circumferentially sealed; by adopting this structure, under the action of the insulating joint, when the gas pipe after the house pipe is struck by lightning, the current can be blocked from conducting to the ground, so that the gas in the gas pipe can be prevented from being ignited and burned, and the safety hazard is eliminated.

[0030] The gas pipeline structure further comprises a protective sleeve 6, which is sleeved and fixed on the outside of the gas main pipe 1, the upper end of the protective sleeve 6 extends out of the ground, and the lower end of the protective sleeve 6 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, thereby avoiding the leakage of gas and eliminating the safety hazard.

[0031] Embodiment two

[0032] Reference Figure 2 As shown, different from the first embodiment is that the gas main pipe 1 is provided with a second cutting part, the insulating joint 5 is arranged at the second cutting part, and the two ends of the insulating joint 5 are axially fixed and circumferentially sealed with the gas main pipe 1 located on the two sides of the second cutting part, respectively; after the adoption of this structure, under the action of the insulating joint, when the gas pipeline after the house pipe is struck by lightning, the conduction of the current to the ground can be blocked, thereby avoiding the gas in the gas pipeline from being ignited and combusted, and eliminating the safety hazard.

[0033] It should be noted that in the above embodiments, the insulating joint adopted by each embodiment is an existing component on the market, which is prior art, and therefore will not be described here.

[0034] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, 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 structure with foundation settlement compensation function, comprising a gas main pipe (1), a valve body (2) and a house service pipeline (3), the outlet end of the gas main pipe (1) is connected with the inlet end of the valve body (2), and the inlet end of the house service pipeline (3) is connected with the outlet end of the valve body (2); characterized in that: The gas pipeline structure further comprises a "U"-shaped compensation pipe (4); the compensation pipe (4) is arranged transversely, and the compensation pipe (4) is connected in series between the gas main pipe (1) and the valve body (2) or between the house inlet pipeline (3) and the valve body (2).

2. The gas pipeline structure having a ground settlement compensation function according to claim 1, characterized in that: The compensation pipe (4) comprises a "U"-shaped elbow pipe (41), two straight pipes (42) and two elbows (43); the two straight pipes (42) are arranged in parallel and spaced apart from each other, the two ends of the elbow pipe (41) are respectively connected and fixed to one end of one of the straight pipes (42) and circumferentially sealed, the other ends of the two straight pipes (42) are respectively connected and fixed to one end of one of the elbows (43) and circumferentially sealed, and the other ends of the two elbows (43) are respectively connected and fixed to the outlet end of the valve body (2) and the inlet end of the house inlet pipeline (3) and circumferentially sealed.

3. The gas pipeline structure having a ground settlement compensation function according to claim 2, characterized in that: One end of each of the two straight pipes (42) is inserted into one of the ends of the elbow pipe (41) and clamped and fixed to the end of the elbow pipe (41) and circumferentially sealed.

4. The gas pipeline structure having a ground settlement compensation function according to claim 2, characterized in that: The other end of each of the two straight pipes (42) is inserted into one end of one of the elbows (43) and clamped and fixed to the end of the elbow (43) and circumferentially sealed.

5. The gas pipeline structure having a ground settlement compensation function according to claim 2, characterized in that: The flange plate (21) at the outlet end of the valve body (2) is welded and fixed to the other end of the elbow (43) on one side of the valve body (2) and circumferentially sealed.

6. The gas pipeline structure having a ground settlement compensation function according to claim 2, characterized in that: The inlet end of the house inlet pipeline (3) is inserted into the other end of the elbow (43) on one side of the house inlet pipeline (3), and the inlet end of the house inlet pipeline (3) is clamped and fixed to the other end of the elbow (43) on one side of the house inlet pipeline (3) and circumferentially sealed.

7. The gas pipeline structure having a function of compensating for ground settlement according to any one of claims 2 to 6, characterized by: The gas pipeline structure further comprises an insulation joint (5); the insulation joint (5) is connected in series on the compensation pipe (4) or the gas main pipe (1).

8. The gas pipeline structure having a ground settlement compensation function according to claim 7, characterized in that: One of the straight pipes (42) is provided with a first cut-off portion, the insulation joint (5) is arranged at the first cut-off portion, and the two ends of the insulation joint (5) are respectively axially fixed to the straight pipes (42) on the two sides of the first cut-off portion and circumferentially sealed.

9. The gas pipeline structure having a ground settlement compensation function according to claim 7, characterized in that: The gas main pipe (1) is provided with a second cut-off portion, the insulation joint (5) is arranged at the second cut-off portion, and the two ends of the insulation joint (5) are respectively axially fixed to the gas main pipe (1) on the two sides of the second cut-off portion and circumferentially sealed.

10. The gas pipeline structure having a function of compensating for ground settlement according to any one of claims 1 to 6 or 8 to 9, characterized by: The gas pipeline structure further comprises a protective sleeve (6), the protective sleeve (6) is sleeved and fixed to the outside of the gas main pipe (1), the upper end of the protective sleeve (6) extends out of the ground, and the lower end of the protective sleeve (6) extends into the ground.