Heat supply pipeline convenient for local replacement

Abstract

The utility model relates to the technical field of heat supply pipelines, in particular to a heat supply pipeline convenient to locally replace. The pipeline comprises two pipeline bodies, the arc surfaces of the two pipeline bodies are fixedly connected with connecting sleeves, the outer surfaces of the connecting sleeves are provided with external threads, the arc surfaces of the two connecting sleeves are in threaded connection with threaded cylinders, the threads on the inner walls of the threaded cylinders are matched with the external threads of the connecting sleeves, and the arc surfaces of the threaded cylinders are fixedly connected with four connecting plates. And one side of the connecting plate is fixedly connected with a limiting rod. Through cooperation of threads on the inner wall of the threaded cylinder and external threads of the threaded sleeve, rapid connection and disassembly of adjacent pipeline body units are achieved, when a certain section of pipeline unit is damaged, complex welding operation is not needed, the damaged pipeline unit can be disassembled and replaced by a new one only by rotating the threaded cylinder, the convenience of local replacement is greatly improved, and the working efficiency is improved. And the maintenance cost and the maintenance time are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a heat supply pipeline technical field especially, relates to a heat supply pipeline convenient to local replacement. BACKGROUND

[0002] The heat supply pipeline is an indispensable part in the central heating system, and its role is to transport the heat generated by the heat source to each user end. In the long-term use process of the heat supply pipeline, due to the corrosion of hot water in the pipeline, the influence of external environmental factors and the aging of the pipeline itself, etc., the pipeline may be damaged locally, and needs to be replaced.

[0003] The existing heat supply pipeline has many inconveniences when locally replacing, and the traditional heat supply pipeline is mostly connected in a welding mode, when a certain section of the pipeline needs to be replaced due to problems, a large amount of time and manpower is needed for cutting, welding and other operations, not only the maintenance cost is high, but also the sealing of the pipeline connection may be not tight due to improper operation in the welding process, affecting the heating effect, in addition, welding operation is difficult to carry out in some narrow spaces, which brings great difficulty to the maintenance work, at the same time, frequent welding operation also has a certain influence on the overall structural strength of the pipeline, reduces the service life of the pipeline, therefore, the heat supply pipeline convenient to local replacement is provided for the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings that the heat supply pipeline is mostly connected in a welding mode in the prior art, when a certain section of the pipeline needs to be replaced due to problems, a large amount of time and manpower is needed for cutting, welding and other operations, and provides a heat supply pipeline convenient to local replacement.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme: a heat supply pipeline convenient to local replacement, comprising two pipeline bodies, the arc surfaces of the two pipeline bodies are fixedly connected with connecting sleeves, the outer surfaces of the connecting sleeves are provided with external threads, the arc surfaces of the two connecting sleeves are threadedly connected with threaded barrels, and the threads in the inner wall of the threaded barrel are matched with the external threads of the connecting sleeve.

[0006] The effect reached by the above components is that the threads in the inner wall of the threaded barrel are matched with the external threads of the threaded sleeve, the quick connection and disassembly of adjacent pipeline body units are realized, when a certain section of the pipeline unit is damaged, complex welding operation is not needed, only the threaded barrel needs to be rotated to disassemble and replace the damaged pipeline unit, the convenience of local replacement is greatly improved, and the maintenance cost and maintenance time are reduced.

[0007] Preferably, the arc surface of the threaded cylinder is fixedly connected with four connecting plates, one side of the connecting plate is fixedly connected with a limiting rod, and one end of the limiting rod is an arc surface.

[0008] The above-mentioned component achieves the effect that when installing two pipeline bodies, the pipeline bodies are placed between the two limiting rods, then pushed to the other pipeline until they are fitted, and then the threaded cylinder is screwed, which can ensure that the connecting sleeve and the connecting cylinder are quickly and accurately centered, avoid misalignment during screwing, and greatly improve the installation efficiency.

[0009] Preferably, the arc surface of the threaded cylinder is fixedly connected with a plurality of protrusions.

[0010] The above-mentioned component achieves the effect that the protrusions facilitate the rotation of the connecting cylinder by the staff, improving the convenience of operation.

[0011] Preferably, the inner wall of the pipeline body is provided with a corrosion-resistant coating.

[0012] The above-mentioned component achieves the effect that the corrosion-resistant coating is a ceramic coating, which can effectively improve the corrosion resistance of the pipeline body and prolong the service life of the pipeline.

[0013] Preferably, the outer wall of the pipeline body is provided with a thermal insulation layer.

[0014] The above-mentioned component achieves the effect that the thermal insulation layer is a polyurethane foam thermal insulation layer, which has good thermal insulation effect and can reduce heat loss during transportation.

[0015] Preferably, the connecting sleeve and the pipeline body are fixedly connected by welding.

[0016] The above-mentioned component achieves the effect that welding ensures the firmness of the connection between the connecting sleeve and the pipeline body, preventing loosening of the connection during heating.

[0017] Preferably, the surface of the protrusion is provided with an anti-skid groove.

[0018] The above-mentioned component achieves the effect that the anti-skid groove can increase the friction between the hands of the staff and the protrusion, preventing slipping during operation.

[0019] In summary, the beneficial effects of the present application are:

[0020] 1. The utility model discloses a thread cooperation between the inner wall of the thread cylinder and the outer thread of the thread sleeve, realizes the quick connection and disassembly of the adjacent pipeline body unit, when a certain section of pipeline unit is damaged, without complicated welding operation, only need to rotate the thread cylinder to remove and replace the damaged pipeline unit, greatly improve the convenience of local replacement, reduce the maintenance cost and maintenance time. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0022] Figure 2 It is the structure schematic diagram of the utility model's convex block;

[0023] Figure 3 It is the structure schematic diagram of the utility model's pipeline body;

[0024] Figure 4 It is the section view of the utility model's pipeline body.

[0025] Legend: 1, pipeline body; 2, connecting sleeve; 3, thread cylinder; 4, connecting plate; 5, limiting rod; 6, convex block; 7, anticorrosive coating; 8, heat preservation layer. DETAILED DESCRIPTION

[0026] Reference Figures 1-4The utility model provides a kind of technical scheme shown in the utility model: a kind of heating pipeline convenient for local replacement, including two pipeline bodies 1, the arc surface of two pipeline bodies 1 is fixedly connected with connecting sleeve 2, the outer surface of connecting sleeve 2 is provided with external thread, the arc surface of two connecting sleeves 2 is threadedly connected with threaded cylinder 3, the thread of the inner wall of threaded cylinder 3 is matched with the external thread of connecting sleeve 2, the arc surface of threaded cylinder 3 is fixedly connected with four connecting plates 4, the side of connecting plate 4 is fixedly connected with limit rod 5, and the arc surface of one end of limit rod 5 is connected with connecting plate 4.In installing between two pipeline bodies 1, pipeline body 1 is placed between two limit rods 5, then another pipeline is pushed close until it is fitted, then threaded cylinder 3 is screwed, so that connecting sleeve 2 and connecting cylinder can be quickly and accurately centered, to avoid misplacement during tightening, greatly improve installation efficiency, the arc surface of threaded cylinder 3 is fixedly connected with several bumps 6.By setting bump 6, it is convenient for staff to rotate connecting cylinder, improve the convenience of operation, the inner wall of pipeline body 1 is provided with anticorrosive coating 7.Anticorrosive coating 7 is ceramic coating, which can effectively improve the corrosion resistance of pipeline body 1, prolong the service life of pipeline, the outer wall of pipeline body 1 is provided with heat preservation layer 8.Heat preservation layer 8 is polyurethane foam heat preservation layer 8, which has good heat preservation effect and can reduce heat loss during transportation, connecting sleeve 2 and pipeline body 1 are fixedly connected by welding.The welding method ensures the firmness of the connection between connecting sleeve 2 and pipeline body 1, prevents loosening of the connection during heating, and the surface of bump 6 is provided with anti-skid groove.The anti-skid groove can increase the friction between the hands of the staff and the bump 6, to prevent slipping during operation.

[0027] When the operator installs two pipeline bodies 1, pipeline body 1 is placed between two limit rods 5, then another pipeline is pushed close until it is fitted, then threaded cylinder 3 is screwed, so that connecting sleeve 2 and connecting cylinder can be quickly and accurately centered, to avoid misplacement during tightening, when pipeline body 1 needs to be replaced, the operator rotates bump 6 to drive threaded cylinder 3 to rotate counterclockwise on the arc surface of connecting sleeve 2 until threaded cylinder 3 is disconnected from one connecting sleeve 2, and pipeline body 1 is pulled apart, the thread of the inner wall of threaded cylinder 3 and the external thread of the thread sleeve cooperate to realize quick connection and disassembly of adjacent pipeline body 1 units, when a certain section of pipeline unit is damaged, without complex welding operation, only need to rotate threaded cylinder 3 to remove and replace the damaged pipeline unit, greatly improve the convenience of local replacement, reduce maintenance cost and maintenance time.

[0028] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, the above-mentioned terms can be understood by the specific meaning in the utility model through specific circumstances.

Claims

1. A heating pipe that is easy to replace partially, comprising two pipe bodies (1), characterized in that: Both of the pipe bodies (1) are fixedly connected to the arc surfaces of the pipe body (2). The outer surface of the connecting sleeve (2) is provided with an external thread. The arc surfaces of the two connecting sleeves (2) are threadedly connected to the threaded cylinder (3). The thread on the inner wall of the threaded cylinder (3) matches the external thread of the connecting sleeve (2).

2. A heating pipe that is easy to replace partially according to claim 1, characterized in that: The threaded cylinder (3) has four connecting plates (4) fixedly connected to its arc surface. A limit rod (5) is fixedly connected to one side of the connecting plate (4). The limit rod (5) is arc-shaped at one end of the connecting plate (4).

3. A heating pipe that is easy to replace partially according to claim 1, characterized in that: The arc surface of the threaded cylinder (3) is fixedly connected with several protrusions (6).

4. A heating pipe that is easy to replace partially according to claim 1, characterized in that: The inner wall of the pipe body (1) is provided with an anti-corrosion coating (7).

5. A heating pipe that is easy to replace partially according to claim 1, characterized in that: An insulation layer (8) is provided on the outer wall of the pipe body (1).

6. A heating pipe that is easy to replace partially according to claim 1, characterized in that: The connecting sleeve (2) is fixedly connected to the pipe body (1) by welding.

7. A heating pipe that is easy to replace partially according to claim 3, characterized in that: The surface of the protrusion (6) is provided with anti-slip grooves.

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