Frost crack prevention water supply and drainage pipeline

Abstract

The utility model discloses a frost crack prevention water supply and drainage pipeline, which relates to the technical field of water supply and drainage pipelines, and comprises a pipeline body, the surface of the pipeline body is covered with a first anti-freezing sheet and a second anti-freezing sheet, the inner walls of the first anti-freezing sheet and the second anti-freezing sheet are respectively provided with a heat preservation component, and the outer walls of the two ends of the first anti-freezing sheet are respectively and fixedly provided with a first connecting block; second connecting blocks are fixedly installed on the outer walls of the two ends of the second anti-freezing piece, connecting plates are fixedly installed on the side walls, close to the second connecting blocks, of the first connecting blocks, limiting grooves are formed in one side walls of the connecting plates, connecting grooves are formed in the side walls, close to the first connecting blocks, of the second connecting blocks, and the connecting grooves are matched with the connecting plates. The connecting plate can be inserted into a groove cavity of the connecting groove, and a limiting assembly is arranged in a body of the second connecting block. The pipeline body can be prevented from frost cracking through the heat preservation assembly; and the heat preservation structure can be rapidly detached through the limiting assembly, and timely overhaul and maintenance of the pipeline body are not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of water supply and drainage pipeline, specifically to a kind of anti-freezing water supply and drainage pipeline. BACKGROUND

[0002] When using water supply and drainage pipeline in winter, the volume of water expands after freezing, and it will break the constraint in a sealed environment, so the water pipe may be frozen. Part of the water supply and drainage pipeline is located outdoors, when encountering harsh environment, the pipe body is easily frozen or the water body transported inside the pipe body is easily frozen, the volume of the frozen water body increases, constantly extruding the pipe body, causing the pipe body to be easily frozen and damaged, affecting the service life of the pipe body.

[0003] The Chinese patent with publication number CN219954697U discloses an anti-freezing drainage pipeline, which includes a shell, two circular rings are welded inside the shell, and a center pipe is welded between the circular holes of the two circular rings. The anti-freezing drainage pipeline has double-layer insulation measures of heat insulation cotton A and heat insulation cotton B, and the temperature inside the shell and the center pipe is dissipated outward, which is also beneficial for the penetration of external cold air into the interior, and the heat preservation effect on the center pipe is good, which is beneficial for preventing freezing. A vacuum is formed between the heat preservation sheath A and the heat preservation sheath B, and there is no medium in the vacuum, so the vacuum does not have the condition of heat transfer, further playing the role of heat insulation and heat preservation. The double heat preservation measures have good heat preservation effect, and the cavity reserved on the silica gel layer is used for water ice extrusion buffering, avoiding direct transmission of extrusion expansion to the center pipe, thereby preventing the center pipe from being frozen and cracked, and the structure is more optimized and the design is more reasonable.

[0004] However, the above-mentioned patent still has some shortcomings in actual use. Although it can prevent freezing of the water supply and drainage pipeline by double-layer insulation measures of heat insulation cotton A and heat insulation cotton B, it is not convenient to disassemble the heat preservation sheath after installing the heat preservation sheath. When the water supply and drainage pipeline needs to be repaired due to problems, the inconvenient disassembly of the heat preservation and anti-freezing structure may cause certain difficulties in timely repair and maintenance of the water supply and drainage pipeline. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an anti-freezing water supply and drainage pipeline to solve the problem of inconvenient disassembly of the heat preservation and anti-freezing structure of the existing anti-freezing water supply and drainage pipeline in the above background technology, thereby preventing timely repair and maintenance of the water supply and drainage pipeline.

[0006] To achieve the above object, the utility model provides the following technical scheme: A kind of anti-freezing water supply and drainage pipeline, including pipeline body, the surface cover of the pipeline body is equipped with first anti-freezing piece and second anti-freezing piece, the inner wall of the first anti-freezing piece and the second anti-freezing piece is provided with heat preservation component, the outer wall of both ends of the first anti-freezing piece is fixedly installed with first connecting block, the outer wall of both ends of the second anti-freezing piece is fixedly installed with second connecting block, the side wall of the first connecting block close to the second connecting block is fixedly installed with connecting plate, the side wall of connecting plate is equipped with limit slot, the side wall of the second connecting block close to the first connecting block is equipped with connecting groove, connecting groove is adapted with the connecting plate, the connecting plate can be inserted into the slot cavity of the connecting groove, the body of the second connecting block is provided with limit component.

[0007] Preferably, the heat preservation component includes rock wool board, heat insulation cotton, polyurethane insulation board, the rock wool board is fixed on the inner wall of the first anti-freezing piece and the second anti-freezing piece respectively, the heat insulation cotton is fixed on the side of the rock wool board close to the pipeline body, and the polyurethane insulation board is fixed on the side of the heat insulation cotton close to the pipeline body.

[0008] Preferably, the limit component includes a movable cavity opened in the body of the second connecting block, limit rods are arranged in the two side cavities of the movable cavity, one end of the limit rod is movably penetrated through the cavity wall of the movable cavity and extends into the slot cavity of the connecting groove, and the other end of the limit rod is movably penetrated through the cavity wall of the movable cavity and extends to the outside of the second connecting block.

[0009] Preferably, a reset plate and a reset spring are arranged in the inner cavity of the movable cavity, the reset plate is fixedly sleeved on the rod surface of the limit rod, the reset spring is sleeved on the rod surface of the limit rod, and the reset spring is located on the side of the reset plate away from the connecting groove.

[0010] Preferably, the rod of the limit rod is adapted with the slot cavity of the limit slot, a cross rod is arranged on one side of the second connecting block, and the rods at both ends of the cross rod are connected with the rods of the limit rods on both sides.

[0011] Preferably, the outer wall of the first anti-freezing piece and the outer wall of the second anti-freezing piece are fixedly installed with handles.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、The utility model discloses a first anti-freezing piece and a second anti-freezing piece are wrapped around the pipeline body, rock wool board, heat insulation cotton and polyurethane insulation board are arranged on the inner wall of the first anti-freezing piece and the second anti-freezing piece, which can play a heat preservation and anti-freezing role on the pipeline body of the water supply and drainage pipeline, and avoid the problem of freezing and cracking when used in a low-temperature environment.

[0014] 2、The utility model discloses a first connecting block is set up on the first anti -icing piece, sets up the second connecting block on the second anti -icing piece, and through the connecting plate on the first connecting block is inserted into the connecting slot of the second connecting block, and then under the action of the limiting component, the limiting rod can be inserted into the limiting slot on the surface of the connecting plate, and then the first anti -icing piece and the second anti -icing piece are connected and fixed together conveniently, when the first anti -icing piece and the second anti -icing piece need to be disassembled, only need to pull the cross bar and make the limiting rod separate from the limiting slot, and it is very convenient, when the drainage pipeline breaks down and needs to be overhauled, the heat preservation structure can be disassembled quickly, and the pipeline body is not affected to overhaul in time. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the first visual angle structure schematic drawing of the utility model one kind anti -frost crack drainage pipeline;

[0016] Figure 2 It is the first anti -frost pipe structure schematic drawing of the utility model one kind anti -frost crack drainage pipeline;

[0017] Figure 3 It is the second anti -frost pipe structure schematic drawing of the utility model one kind anti -frost crack drainage pipeline;

[0018] Figure 4 It is the second connecting block section structure schematic drawing of the utility model one kind anti -frost crack drainage pipeline.

[0019] In the drawing: 1, pipeline body;2, first anti -icing piece;3, second anti -icing piece;4, handle;5, first connecting block;6, second connecting block;7, connecting plate;8, limiting slot;9, rock wool board;10, heat -insulating cotton;11, polyurethane insulation board;12, connecting slot;13, cross bar;14, movable cavity;15, limiting rod;16, reset plate;17, reset spring. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not 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 the utility model.

[0021] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4The utility model provides a kind of technical scheme: a kind of anti-freezing water supply and drainage pipeline, including pipeline body 1, first anti-freezing piece 2 and second anti-freezing piece 3 cover in the surface of pipeline body 1, the inner wall of first anti-freezing piece 2 and second anti-freezing piece 3 is all provided with heat preservation component, heat preservation component can be implemented heat preservation to pipeline body 1, avoid its freezing and freeze crack in low temperature environment. The outer wall of the upper and lower ends of first anti-freezing piece 2 is all welded with first connecting block 5, the outer wall of the upper and lower ends of second anti-freezing piece 3 is all welded with second connecting block 6, connecting plate 7 is welded in the side wall of first connecting block 5 close to second connecting block 6, limit slot 8 is opened in the side wall of connecting plate 7 away from pipeline body 1, the side wall of second connecting block 6 close to first connecting block 5 is opened with connecting slot 12, connecting slot 12 is adapted with connecting plate 7, connecting plate 7 can be inserted into the slot cavity of connecting slot 12, its purpose is to facilitate the installation and disassembly between first anti-freezing piece 2 and second anti-freezing piece 3, and limit component is arranged in the body of second connecting block 6.

[0022] The heat preservation assembly comprises rock wool boards 9, heat insulation cotton 10 and polyurethane heat preservation boards 11. The rock wool boards 9 are respectively bonded to the inner walls of the first anti-freezing sheet 2 and the second anti-freezing sheet 3. The heat insulation cotton 10 is bonded to one side of the rock wool board 9 close to the pipeline body 1. The polyurethane heat preservation board 11 is bonded to one side of the heat insulation cotton 10 close to the pipeline body 1. By arranging the rock wool boards 9, the heat insulation cotton 10 and the polyurethane heat preservation boards 11 on the inner walls of the first anti-freezing sheet 2 and the second anti-freezing sheet 3, the heat preservation and anti-freezing effects can be achieved on the pipeline body 1 of the water supply and drainage pipeline, so as to avoid the problem of freezing and cracking when the pipeline is used in a low-temperature environment. The limiting assembly comprises a movable cavity 14 arranged in the second connecting block 6. Limiting rods 15 are arranged in the left and right inner cavities of the movable cavity 14. One end of the limiting rod 15 is movably penetrated through the cavity wall of the movable cavity 14 and extends into the groove cavity of the connecting groove 12. The other end of the limiting rod 15 is movably penetrated through the cavity wall of the movable cavity 14 and extends to the outside of the second connecting block 6. The purpose is to enable the limiting rod 15 to move. A reset plate 16 and a reset spring 17 are arranged in the inner cavity of the movable cavity 14. The reset plate 16 is welded to the rod surface of the limiting rod 15. The reset spring 17 is sleeved on the rod surface of the limiting rod 15, and the reset spring 17 is located on the side away from the connecting groove 12 of the reset plate 16. The purpose is to enable the reset plate 16 to press the reset spring 17 when the limiting rod 15 moves away from the limiting groove 8, so that the limiting rod 15 can be automatically reset under the elastic force of the reset spring 17 when the horizontal rod 13 is loosened. The rod of the limiting rod 15 is matched with the groove cavity of the limiting groove 8, so that the limiting rod 15 can be inserted into the limiting groove 8, thereby limiting and fixing the connecting plate 7. The second connecting block 6 is provided with a horizontal rod 13 away from the limiting groove 8. The left and right rod bodies of the horizontal rod 13 are respectively welded and connected with the rod bodies of the left and right limiting rods 15. The purpose is to facilitate the movement of the limiting rod 15 by the horizontal rod 13. The outer walls of the first anti-freezing sheet 2 and the second anti-freezing sheet 3 are respectively welded with handles 4. The purpose is to facilitate the installation and disassembly of the first anti-freezing sheet 2 and the second anti-freezing sheet 3 by the handles 4.

[0023] When the first anti-freezing sheet 2 and the second anti-freezing sheet 3 need to be installed on the pipe body 1, the first anti-freezing sheet 2 and the second anti-freezing sheet 3 are attached to the pipe body 1, the rod body of the limiting rod 15 is pulled away from the connecting groove 12 by the horizontal rod 13, the connecting plate 7 on the first anti-freezing sheet 2 is inserted into the connecting groove 12, the reset plate 16 is pressed against the reset spring 17 when the limiting rod 15 moves away from the limiting groove 8, the limiting rod 15 is automatically inserted into the limiting groove 8 on the surface of the connecting plate 7 when the horizontal rod 13 is released, thereby connecting the first anti-freezing sheet 2 and the second anti-freezing sheet 3 together, and the first anti-freezing sheet 2 and the second anti-freezing sheet 3 can be easily detached by pulling the horizontal rod 13 again, so that the heat preservation structure can be quickly detached when the drain pipe needs to be repaired, and the pipe body 1 can be repaired in time without any influence.

[0024] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0025] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A frost-protected water supply and drainage pipe comprising a pipe body (1), characterized in that: The surface of the pipeline body (1) is covered with a first anti-freezing sheet (2) and a second anti-freezing sheet (3), the inner walls of the first anti-freezing sheet (2) and the second anti-freezing sheet (3) are provided with heat preservation assemblies, the outer walls of the two ends of the first anti-freezing sheet (2) are fixedly installed with first connecting blocks (5), the outer walls of the two ends of the second anti-freezing sheet (3) are fixedly installed with second connecting blocks (6), the side wall of the first connecting block (5) close to the second connecting block (6) is fixedly installed with a connecting plate (7), the side wall of the connecting plate (7) is provided with a limiting groove (8), the side wall of the second connecting block (6) close to the first connecting block (5) is provided with a connecting groove (12), the connecting groove (12) is matched with the connecting plate (7), the connecting plate (7) can be inserted into the groove cavity of the connecting groove (12), and the body of the second connecting block (6) is provided with a limiting assembly.

2. The frost-protected plumbing drain according to claim 1, wherein: The heat preservation assembly comprises a rock wool board (9), heat insulation cotton (10) and a polyurethane heat preservation board (11), the rock wool board (9) is fixed on the inner walls of the first anti-freezing sheet (2) and the second anti-freezing sheet (3) respectively, the heat insulation cotton (10) is fixed on the side of the rock wool board (9) close to the pipeline body (1), and the polyurethane heat preservation board (11) is fixed on the side of the heat insulation cotton (10) close to the pipeline body (1).

3. The freeze resistant plumbing drain according to claim 1, wherein: The limiting assembly comprises a movable cavity (14) formed in the body of the second connecting block (6), limiting rods (15) are arranged in the inner cavities of the two sides of the movable cavity (14), one end of the rod body of the limiting rod (15) is movably penetrated through the cavity wall of the movable cavity (14) and extends into the groove cavity of the connecting groove (12), and the other end of the rod body of the limiting rod (15) is movably penetrated through the cavity wall of the movable cavity (14) and extends to the outside of the second connecting block (6).

4. The frost-protected plumbing drain of claim 3, wherein: The inner cavity of the movable cavity (14) is provided with a reset plate (16) and a reset spring (17), the reset plate (16) is fixedly sleeved on the surface of the rod body of the limiting rod (15), and the reset spring (17) is sleeved on the surface of the rod body of the limiting rod (15) and located on the side, away from the connecting groove (12), of the reset plate (16).

5. The frost-protected plumbing drain of claim 4, wherein: The rod body of the limiting rod (15) is matched with the groove cavity of the limiting groove (8), one side of the second connecting block (6) is provided with a cross rod (13), and the rod bodies of the two ends of the cross rod (13) are connected with the rod bodies of the two limiting rods (15) respectively.

6. The freeze resistant plumbing drain of claim 1, wherein: The outer walls of the first anti-freezing sheet (2) and the second anti-freezing sheet (3) are fixedly installed with handles (4).

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