Safe transportation pipeline for municipal fuel gas

Abstract

The utility model relates to the field of gas pipelines, and discloses a safe transportation pipeline for municipal gas, which comprises a first pipeline, a second pipeline is fixedly connected to one end of the first pipeline, a first protective shell is arranged on the outer wall of the first pipeline, a second protective shell is rotatably connected to the outer wall of the first protective shell, and a bolt is in threaded connection with the inner wall of the first protective shell. A mounting groove is formed in the inner wall of the first protective shell, a telescopic spring is fixedly connected to the inner wall of the mounting groove, a positioning plate is fixedly connected to the end of the telescopic spring, a rubber pad is fixedly connected to the outer wall of the positioning plate, a supporting frame is rotationally connected to the outer wall of the first protective shell, and a buffer plate is arranged on the outer wall of the supporting frame. According to the connector, the first protective shell, the second protective shell, the bolt, the sealing ring and other structures are arranged, the connector adapts to pipeline infinitesimal displacement and vibration, the sealing degree of the connector is guaranteed, meanwhile, external impact is effectively buffered, and the risk that the connector is loosened due to impact is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas pipeline field especially municipal gas safety transportation pipeline. BACKGROUND

[0002] The municipal gas safety transportation pipeline refers to the pipeline system for conveying gas within the city range, is an important component of the city infrastructure, and the pipeline conveys gas from the gas distribution station or pressure regulating station to the residential users, commercial users and industrial users, meets the energy demand of the city daily life such as cooking, heating, hot water supply etc., and also provides fuel for industrial production, and guarantees the normal operation of production activities.

[0003] The gas pipeline is usually long, and it is very difficult to transport and carry in the construction site as a whole, and the pipeline can be divided into shorter pipe sections by splicing, so as to reduce the damage risk in the transportation process, and the pipeline splicing mode has various modes such as welding connection, threaded connection, socket connection and flange connection, and the interfaces of the two groups of pipelines are fixed.

[0004] In the prior art, two adjacent pipelines are generally fixed by welding or bolts, but the interface usually lacks protection function, so that the interface is prone to looseness when the pipeline is impacted, and the risk of gas leakage occurs, and therefore the municipal gas safety transportation pipeline is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a municipal gas safety transportation pipeline, which aims to solve the problem that the interface of two adjacent pipelines of the municipal gas safety transportation pipeline in the prior art lacks protection function, the interface is prone to looseness when the pipeline is impacted, and the risk of gas leakage occurs.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a municipal gas safety transportation pipeline, including pipeline one, the end of pipeline one is fixedly connected with pipeline two, the outer wall of pipeline one is provided with protective shell one, the outer wall of protective shell one is rotatably connected with protective shell two, the inner wall of protective shell one is screwedly connected with a bolt, the inner wall of protective shell one is provided with an installation groove, the inner wall of the installation groove is fixedly connected with an extension spring, the end of the extension spring is fixedly connected with a positioning plate, the outer wall of the positioning plate is fixedly connected with a rubber pad, the outer wall of protective shell one is rotatably connected with a support frame, the outer wall of the support frame is provided with a buffer plate, the inner surface of the buffer plate is provided with a sliding groove, the inner wall of the sliding groove is slidably connected with a sliding seat, the inner wall of the sliding groove is fixedly connected with a sliding rod, and the outer wall of the sliding seat is fixedly connected with a limiting spring.

[0007] Further description of the above technical scheme:

[0008] The outer wall of the bolt is threadedly connected with the inner wall of the protective shell two.

[0009] As a further description of the above technical solution:

[0010] The outer wall of the protective shell one is fixedly connected with a sealing ring, and the outer wall of the sealing ring is attached to the outer wall of the rubber pad.

[0011] As a further description of the above technical solution:

[0012] The inner wall of the sliding seat is slidingly connected with the outer wall of the sliding rod, and the limiting spring is sleeved on the outer wall of the sliding rod.

[0013] As a further description of the above technical solution:

[0014] The end, away from the protective shell one, of the support frame is rotationally connected with the outer wall of the sliding seat.

[0015] As a further description of the above technical solution:

[0016] The outer surface of the buffer plate is fixedly connected with a reinforcing rib.

[0017] As a further description of the above technical solution:

[0018] The outer wall of the protective shell one is fixedly connected with a soft magnetic sticker, the outer wall of the sliding rod is fixedly connected with a magnetic ring, and the outer wall of the support frame is fixedly connected with a protective strip.

[0019] As a further description of the above technical solution:

[0020] The limiting spring is sleeved on the outer wall of the magnetic ring, and the protective strip is fixedly connected on the outer wall of the side, close to the protective shell one, of the support frame.

[0021] The utility model has the advantages of the following:

[0022] 1. In the utility model, the sealing degree of the two groups of pipeline interfaces is ensured through the sealing ring, the pipeline interface and the sealing ring are wrapped in the protective shell one and the protective shell two through the bolt, the pre-tightening force of the sealing ring is provided by the rubber pad through the elastic force of the expansion spring and the positioning plate, the impact protection and buffering of the pipeline interface are provided by the buffer plate through the limiting spring of the support frame, the sealing degree of the interface is ensured through the adaptation of the small displacement and vibration of the pipeline, and the loosening risk of the interface caused by the impact is reduced through the effective buffering of the external impact.

[0023] 2. In the utility model, the magnetic repulsion force between the soft magnetic sticker and the magnetic ring and the softness of the protective strip are set, the damage of the pipeline interface caused by the impact is further reduced on the basis of the buffering, and the reset efficiency of the buffer plate is improved while the buffering function is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A main body structure external schematic view of a safe transportation pipeline for municipal gas is provided for the utility model;

[0025] Figure 2 A partial structure cross-sectional schematic view of a safe transportation pipeline for municipal gas is provided for the utility model;

[0026] Figure 3 A partial structure cross-sectional schematic view of a safe transportation pipeline for municipal gas is provided for the utility model; Figure 2 A region A enlarged schematic view of the utility model;

[0027] Figure 4 A partial structure cross-sectional schematic view of a safe transportation pipeline for municipal gas is provided for the utility model.

[0028] Legend:

[0029] 1, pipeline one; 2, pipeline two; 3, protective shell one; 4, protective shell two; 5, bolt; 6, sealing ring; 7, installation groove; 8, extension spring; 9, positioning plate; 10, rubber pad; 11, buffer plate; 12, sliding groove; 13, sliding rod; 14, sliding seat; 15, limiting spring; 16, support frame; 17, reinforcing rib; 18, soft magnetic sticker; 19, magnetic ring; 20, protective strip. Specific implementation

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] Refer to Figures 1-3The utility model provides a kind of safe transportation pipeline for municipal gas, including pipeline one 1, the end of pipeline one 1 is fixedly connected with pipeline two 2, the interface of pipeline one 1 and pipeline two 2 can be welded connection, the outer wall of pipeline one 1 is provided with protective shell one 3, the outer wall of protective shell one 3 is rotatably connected with protective shell two 4, protective shell one 3 and protective shell two 4 form an entire protective shell, the interface of pipeline one 1 and pipeline two 2 is coated and protected, the inner wall of protective shell one 3 is threadedly connected with bolt 5, bolt 5 is provided with two groups, bolt 5 fixes protective shell one 3 with protective shell two 4, the outer wall of bolt 5 is threadedly connected with the inner wall of protective shell two 4, the outer wall of protective shell one 3 is fixedly connected with sealing ring 6, sealing ring 6 improves the sealing degree of the interface of pipeline one 1 and pipeline two 2, the inner wall of protective shell one 3 is equipped with installation groove 7, the inner wall of installation groove 7 is fixedly connected with telescopic spring 8, the end of telescopic spring 8 is fixedly connected with positioning plate 9, the outer wall of positioning plate 9 is fixedly connected with rubber pad 10, the outer wall of sealing ring 6 is attached with the outer wall of rubber pad 10, and rubber pad 10 provides pre-tightening force to sealing ring 6 by the elastic property of telescopic spring 8.

[0032] Referring to Figures 3-4 The outer wall of protective shell one 3 is rotatably connected with support frame 16, one end of support frame 16 away from protective shell one 3 is rotatably connected with the outer wall of sliding seat 14, the outer wall of support frame 16 is provided with buffer plate 11, buffer plate 11 is provided with two groups, and the two groups of buffer plate 11 are located on the outer side of protective shell one 3 and protective shell two 4 respectively, each group of buffer plate 11 is connected with protective shell one 3 and protective shell two 4 through two groups of support frame 16, the inner surface of buffer plate 11 is provided with sliding groove 12, the inner wall of sliding groove 12 is slidably connected with sliding seat 14, the number of sliding seat 14 is equal to the number of support frame 16, the inner wall of sliding groove 12 is fixedly connected with slide rod 13, the inner wall of sliding seat 14 is slidably connected with the outer wall of slide rod 13, the outer wall of sliding seat 14 is fixedly connected with limiting spring 15, limiting spring 15 is sleeved on the outer wall of slide rod 13, the two ends of limiting spring 15 are fixedly connected with the opposite sides of two groups of sliding seat 14 respectively, the outer surface of buffer plate 11 is fixedly connected with reinforcing rib 17, reinforcing rib 17 can ensure the rigidity and strength of buffer plate 11, to avoid its deformation after being impacted.

[0033] Referring to Figure 4 The outer wall of protective shell one 3 is fixedly connected with soft magnetic paste 18, the outer wall of slide rod 13 is fixedly connected with magnetic ring 19, limiting spring 15 is sleeved on the outer wall of magnetic ring 19, the outer wall of support frame 16 is fixedly connected with protective strip 20, protective strip 20 is fixedly connected on the outer wall of support frame 16 close to protective shell one 3, protective strip 20 is made of rubber material, can contact with the surface of protective shell one 3 or protective shell two 4 when support frame 16 generates displacement phenomenon, reduce impact force.

[0034] Working principle: the protective shell one 3 and the protective shell two 4 cover the outside of the sealing ring 6, the sealing ring 6 is covered by the protective shell one 3 and the protective shell two 4, which can avoid the sealing ring 6 directly exposed to the outside harsh environment, such as being damaged by external objects friction, collision, or being long-term irradiation of ultraviolet light leading to aging, because the elastic force of the telescopic spring 8 through the positioning plate 9 makes the rubber pad 10 tightly adhere to the outside of the sealing ring 6, which can ensure that the sealing ring 6 and the pipe one 1 and the pipe two 2 interface tightly adhere, effectively prevent gas leakage, when the pressure in the pipe changes or the pipe has a small displacement, the elastic effect of the telescopic spring 8 can automatically adjust the pressure of the rubber pad 10 on the sealing ring 6, make up the possible gap, and then maintain a good sealing state for a long time, two sets of buffer plates 11 are located outside the pipe, when the external object hits the pipe or the pipe interface, the buffer plate 11 connected by the support frame 16 is first impacted, when the buffer plate 11 is impacted, the support frame 16 of the two sets of buffer plates 11 drives the sliding seat 14 to move on the slide rod 13, the limiting spring 15 is stretched, when the buffer plate 11 approaches the protective shell one 3 and the protective shell two 4, the magnetic ring 19 approaches the soft magnetic paste 18, the repulsive force of the magnetic property of the two, further reduce the damage of the impact on the pipe interface, through multiple layers of buffer can effectively protect the pipe one 1 and the pipe two 2 interface, prevent the interface loose or the sealing ring 6 damage due to impact, improve the safety of the pipeline transportation.

[0035] 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 person 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 safe transportation pipeline for municipal gas, comprising a pipeline one (1), the end of the pipeline one (1) is fixedly connected with a pipeline two (2), characterized in that: The outer wall of the pipeline one (1) is provided with a protective shell one (3), the outer wall of the protective shell one (3) is rotatably connected with a protective shell two (4), the inner wall of the protective shell one (3) is threadedly connected with a bolt (5), the inner wall of the protective shell one (3) is provided with a mounting groove (7), the inner wall of the mounting groove (7) is fixedly connected with an elastic spring (8), the end of the elastic spring (8) is fixedly connected with a positioning plate (9), the outer wall of the positioning plate (9) is fixedly connected with a rubber pad (10), the outer wall of the protective shell one (3) is rotatably connected with a support frame (16), the outer wall of the support frame (16) is provided with a buffer plate (11), the inner surface of the buffer plate (11) is provided with a sliding groove (12), the inner wall of the sliding groove (12) is slidably connected with a sliding seat (14), the inner wall of the sliding groove (12) is fixedly connected with a sliding rod (13), and the outer wall of the sliding seat (14) is fixedly connected with a limiting spring (15).

2. A safe transportation pipeline for municipal gas according to claim 1, characterized in that: The outer wall of the bolt (5) is threadedly connected with the inner wall of the protective shell two (4).

3. A safe transportation pipeline for municipal gas according to claim 1, characterized in that: The outer wall of the protective shell one (3) is fixedly connected with a sealing ring (6), and the outer wall of the sealing ring (6) is attached to the outer wall of the rubber pad (10).

4. A safe transportation pipeline for city gas according to claim 1, characterized in that: The inner wall of the sliding seat (14) is slidably connected with the outer wall of the sliding rod (13), and the limiting spring (15) is sleeved on the outer wall of the sliding rod (13).

5. A safe transportation pipeline for city gas according to claim 1, characterized in that: The end of the support frame (16) away from the protective shell one (3) is rotatably connected with the outer wall of the sliding seat (14).

6. A safe transportation pipeline for municipal gas according to claim 1, characterized in that: The outer surface of the buffer plate (11) is fixedly connected with a reinforcing rib (17).

7. A safe transportation pipeline for municipal gas according to claim 1, characterized in that: The outer wall of the protective shell one (3) is fixedly connected with a soft magnetic sticker (18), the outer wall of the sliding rod (13) is fixedly connected with a magnetic ring (19), and the outer wall of the support frame (16) is fixedly connected with a protective strip (20).

8. A safe transportation pipeline for city gas according to claim 7, characterized in that: The limiting spring (15) is sleeved on the outer wall of the magnetic ring (19), and the protective strip (20) is fixedly connected on the outer wall of the support frame (16) close to the protective shell one (3).

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