Pipeline connecting device for gas engineering installation

Abstract

The utility model relates to the technical field of pipeline connection, and discloses a pipeline connecting device for gas engineering installation, which comprises a connecting pipe, the outer wall of the connecting pipe is fixedly connected with a limiting plate, the left end and the right end of the connecting pipe are slidably connected with sliding rings, and the upper side and the lower side of each sliding ring are fixedly connected with fixing rods. The outer walls of the fixing rods are sleeved with springs, and the upper end and the lower end of the connecting pipe are fixedly connected with fixing blocks. According to the gas pipe fixing device, the connecting pipe is rotated, so that the fixing block slides on the arc-shaped plate on the outer wall of the gas pipe, then one end of the arc-shaped plate makes contact with the limiting plate, rotation of the connecting pipe is limited, the sliding ring is pulled to drive the fixing rod to slide in the through hole, and the spring is extruded; and after the through holes of the arc-shaped plate and the fixing block are consistent, the fixing rod on the outer wall of the sliding ring can penetrate through the fixing block and the arc-shaped plate to lock the fixing block and the arc-shaped plate, and it is guaranteed that the contact position of the pipeline is not loosened.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline connection technical field especially, relates to a pipeline connection device for gas engineering installation. BACKGROUND

[0002] Gas is the general term of gaseous fuel, it can burn and release heat, and is used by residents and industrial enterprises. There are many kinds of gas, mainly natural gas, artificial gas, liquefied petroleum gas and biogas, coal gas. Among them, natural gas has been integrated into the daily life of each community, and many rural areas have gradually begun to use natural gas, and the use of natural gas has the advantages of green environmental protection, economic benefit, safety and reliability. Natural gas is usually delivered to each household through pipelines, and many pipeline sealing interfaces are often used when erecting and connecting these pipelines to prevent natural gas leakage at the pipeline connection.

[0003] However, the existing gas pipeline is assembled by welding or screwing a plurality of short gas pipelines, the connection process is relatively cumbersome, and the disassembly process wastes manpower and time when the pipeline needs to be maintained and replaced, and the sealing ring in the pipeline will age over time. After the aging of the sealing ring, it will adhere to the inner wall of the pipeline and be extremely inconvenient to remove. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a pipeline connection device for gas engineering installation, which solves the complex connection between the pipelines and the inconvenience caused by disassembly.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.

[0006] A pipeline connection device for gas engineering installation, comprising a connecting pipe, the outer wall of the connecting pipe is fixedly connected with a limiting plate, the left and right ends of the connecting pipe are slidably connected with a sliding ring, the upper and lower sides of the sliding ring are fixedly connected with a fixed rod, the outer wall of the fixed rod is sleeved with a spring, the upper and lower ends of the connecting pipe are fixedly connected with a fixed block, the inner wall of the fixed block is slidably connected with an arc-shaped plate, and the bottom of the arc-shaped plate is fixedly connected with a gas pipeline.

[0007] Further, the outer wall of the connecting pipe is provided with a sealing plate, and the inner wall of the connecting pipe is provided with a sealing ring.

[0008] Further, the side wall of the gas pipe is provided with a circular groove, and the inner wall of the circular groove is tightly attached to the sealing plate.

[0009] Further, the upper and lower ends of the fixed block and the arc-shaped plate are provided with through holes, and the outer wall of the fixed rod is slidably connected to the inner wall of the through hole.

[0010] Further, the inner wall of the gas pipe is provided with a slide, and the two ends of the connecting pipe slide in the inner wall of the gas pipe.

[0011] Further, the outer wall of the sealing ring is provided with a groove, the inner wall of the groove is fixedly connected with a fixed column, and the outer wall of the fixed column is rotatably connected with a rotating plate.

[0012] Further, one side of the arc-shaped plate is a slope.

[0013] The utility model has the advantages of the following beneficial effects:

[0014] 1. In the utility model, the rotation of the connecting pipe makes the fixed block and the arc-shaped plate of the outer wall of the gas pipe slide, then one end of the arc-shaped plate contacts the limiting plate, thereby limiting the rotation of the connecting pipe, the sliding ring drives the fixed rod to slide in the through hole, the spring is extruded, the through hole of the arc-shaped plate and the fixed block is consistent, and the fixed rod of the outer wall of the sliding ring penetrates the fixed block and the arc-shaped plate to lock them, so that the contact part of the pipeline is prevented from loosening.

[0015] 2. In the utility model, when the sealing ring inside the pipeline needs to be replaced, the rotating plate in the groove of the sealing ring is counterclockwise rotated, the rotating plate is rotated on the outer wall of the fixed column, the sealing ring is taken out by pulling the rotating plate, the sealing ring is prevented from being difficult to take out after aging, and the inconvenience of work is avoided. DRAWINGS

[0016] Figure 1 A three-dimensional view of the pipeline connecting device for gas engineering installation is provided for the utility model;

[0017] Figure 2 A connecting pipe internal schematic view of the pipeline connecting device for gas engineering installation is provided for the utility model;

[0018] Figure 3 An arc-shaped plate schematic view of the pipeline connecting device for gas engineering installation is provided for the utility model;

[0019] Figure 4 A sealing ring schematic view of the pipeline connecting device for gas engineering installation is provided for the utility model.

[0020] LEGEND:

[0021] 1, gas pipe; 2, connecting pipe; 3, limiting plate; 4, sliding ring; 5, fixed rod; 6, spring; 7, fixed block; 8, arc-shaped plate; 9, through hole; 10, sealing plate; 11, circular groove; 12, sealing ring; 13, fixed column; 14, rotating plate. DETAILED DESCRIPTION

[0022] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Figures 1-3 The utility model provides a kind of pipeline connecting device for gas engineering installation, including connecting pipe 2, the outer wall of connecting pipe 2 is all fixedly connected with limiting plate 3, the left and right ends of connecting pipe 2 are all slidably connected with sliding ring 4, the upper and lower sides of sliding ring 4 are all fixedly connected with fixed rod 5, the outer wall of fixed rod 5 is all equipped with spring 6, the upper and lower ends of connecting pipe 2 are all fixedly connected with fixed block 7, the inner wall of fixed block 7 is slidably connected with arc plate 8, the bottom of arc plate 8 is fixedly connected with gas pipe 1, the outer wall of connecting pipe 2 is equipped with sealing plate 10, the inner wall of connecting pipe 2 is equipped with sealing ring 12, the side wall of gas pipe 1 is equipped with circular groove 11, the inner wall of circular groove 11 is closely attached with sealing plate 10, the upper and lower ends of fixed block 7 and arc plate 8 are all equipped with through hole 9, the outer wall of fixed rod 5 is slidably connected in the inner wall of through hole 9, the inner wall of gas pipe 1 is equipped with slide, the two ends of connecting pipe 2 are slid in the inner wall of gas pipe 1, one side of arc plate 8 is provided as inclined plane. Figure 4 The outer wall of sealing ring 12 is equipped with recess, the inner wall of recess is fixedly connected with fixed column 13, the outer wall of fixed column 13 is rotatably connected with rotating plate 14.

[0024] Specifically, when the gas pipe 1 needs to be connected, the gas pipe 1 is inserted into the outer wall of the connecting pipe 2, the two ends of the connecting pipe 2 are consistent with the size of the slide inside the gas pipe 1, and as the gas pipe 1 is inserted, the circular groove 11 on the side wall of the gas pipe 1 tightly seals the sealing plate 10 on the side wall of the connecting pipe 2, performing the first sealing, and the outer wall of the sealing ring 12 will tightly seal the inner wall of the gas pipe 1, thereby performing the second sealing, and multiple sealing ensures that gas leakage does not occur, then rotate the connecting pipe 2, the fixed block 7 on the outer wall of the connecting pipe 2 slides with the fixed arc plate 8 on the outer wall of the gas pipe 1, and one side of the arc plate 8 is provided as an arc surface, so that when the connecting pipe 2 is rotated, the arc plate 8 and the fixed block 7 can be tightly fitted together to further tighten the pipe, when rotated to the specified position, the limiting plate 3 on the outer wall of the connecting pipe 2 will contact one side of the arc plate 8, the contact between the limiting plate 3 and the arc plate 8 limits the rotation range of the connecting pipe 2, so that the through hole 9 on the arc plate 8 and the through hole 9 on the fixed block 7 reach the same position, then pull the sliding ring 4 backward, the sliding ring 4 drives the fixed rod 5 to press the spring 6, then slide in the through hole 9 on the fixed block 7, when the fixed block 7 and the through hole 9 on the arc plate 8 reach the same position, loosen the sliding ring 4, the spring 6 pressed will pop out, thereby driving the fixed rod 5 to pass through the inner wall of the through hole 9 on the fixed block 7, to the inner wall of the through hole 9 on the arc plate 8, thereby further fixing the connecting part, so that the connection between the pipes does not loosen, thereby preventing the harm of gas leakage to people and buildings, when the sealing ring 12 in the pipe needs to be replaced, the rotating plate 14 in the groove of the sealing ring 12 is rotated on the outer wall of the fixed column 13, after the rotating plate 14 is turned out, pull the rotating plate 14 to take it out, prevent the aging of the sealing ring 12 in the gas pipe 1 for a long time, which is not easy to take out, at the same time, prevent the aged sealing ring 12 from adhering to the inside of the gas pipe 1, if it cannot be taken out at one time, residual material will adhere to the inside of the gas pipe 1, so that the inner wall needs to be cleaned before replacement, which leads to long replacement time and increases the workload of workers.

[0025] Working principle: the inner wall of gas pipe 1 and the outer wall of connecting pipe 2 are inserted, the sealing ring 12 of the inner wall of connecting pipe 2 is close to the inner wall of gas pipe 1, forming the first sealing, the sealing plate 10 of the side wall of connecting pipe 2 is close to the circular groove 11 of the side wall of gas pipe 1, forming the second sealing, then rotating the connecting pipe 2, the fixed block 7 of the outer wall of connecting pipe 2 slides with the arc plate 8 of the outer wall of gas pipe 1, tightening the pipe, pulling the sliding ring 4 of the outer wall of connecting pipe 2 drives the fixed rod 5 to extrude the spring 6, sliding in the inner wall of through hole 9, when the connecting pipe 2 rotates to a certain position, the limiting plate 3 of the outer wall of connecting pipe 2 will contact with the arc plate 8, limiting the rotation of connecting pipe 2, when the through hole 9 of fixed block 7 aligns with the through hole 9 of arc plate 8, loosen the sliding ring 4, the spring 6 pops out with the loosening of sliding ring 4, driving the fixed rod 5 to slide in the through hole 9 of fixed block 7 and the through hole 9 of arc plate 8, locking it, so that the pipe will not loosen.

[0026] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A pipe connecting device for gas engineering installation, characterized in that, Including connecting pipe (2), the outer wall of connecting pipe (2) is fixedly connected with limiting plate (3), the left and right two ends of connecting pipe (2) are slidably connected with sliding ring (4), the upper and lower sides of sliding ring (4) are fixedly connected with fixed rod (5), the outer wall of fixed rod (5) is sleeved with spring (6), the upper and lower ends of connecting pipe (2) are fixedly connected with fixed block (7), the inner wall of fixed block (7) is slidably connected with arc plate (8), the bottom of arc plate (8) is fixedly connected with gas pipe (1).

2. A pipe coupling device for gas engineering installations according to claim 1, characterized in that The outer wall of connecting pipe (2) is provided with sealing plate (10), and the inner wall of connecting pipe (2) is provided with sealing ring (12).

3. A pipe coupling device for gas engineering installations as claimed in claim 1, characterized in that: The side wall of gas pipe (1) is provided with circular groove (11), and the inner wall of circular groove (11) is tightly attached to sealing plate (10).

4. A pipe coupling device for gas engineering installations as claimed in claim 1, characterized in that: The upper and lower ends of fixed block (7) and arc plate (8) are provided with through hole (9), and the outer wall of fixed rod (5) is slidably connected to the inner wall of through hole (9).

5. A pipe coupling device for gas engineering installations as claimed in claim 1, characterized in that: The inner wall of gas pipe (1) is provided with slide, and the two ends of connecting pipe (2) are slidably connected to the inner wall of gas pipe (1).

6. A pipe coupling device for gas engineering installations as claimed in claim 2, characterized in that: The outer wall of sealing ring (12) is provided with groove, the inner wall of groove is fixedly connected with fixed column (13), and the outer wall of fixed column (13) is rotatably connected with rotating plate (14).

7. A pipe coupling device for gas engineering installations as claimed in claim 1, characterized in that: One side of arc plate (8) is provided with inclined surface.

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