Corrosion-resistant municipal water supply and drainage pipeline equipment

Abstract

The utility model relates to the technical field of water supply and drainage pipeline equipment, in particular to corrosion-resistant municipal water supply and drainage pipeline equipment which comprises a first pipeline, a second pipeline and a corrosion-resistant assembly, the second pipeline is arranged on the side surface of the first pipeline, the corrosion-resistant assembly is arranged on the outer arc face of the first pipeline, and the corrosion-resistant assembly comprises a limiting ring. A limiting ring is fixedly connected to the outer arc face of the second pipeline, a first rubber ring is fixedly connected to the side, away from the first pipeline, of the limiting ring, a connecting plate is fixedly connected to the side, away from the limiting ring, of the first rubber ring, a round hole is formed in the surface of the connecting plate, and an ejector rod is slidably connected to the position, located on the inner wall of the round hole, of the connecting plate. According to the utility model, through the arrangement of the anti-corrosion assembly, a protective barrier can be formed at the joint, for example, an anti-corrosion sealant or coating is used, a medium is isolated from metal at the joint, the chemical corrosion speed is slowed down, and the overall service life of a pipeline system is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to water supply and drainage pipeline equipment technical field especially relates to a kind of corrosion-resistant municipal water supply and drainage pipeline equipment. BACKGROUND

[0002] Early municipal water supply and drainage often use cast iron pipe and steel pipe, cast iron pipe has certain strength, but it is easy to be eroded by dissolved oxygen, acid and alkali substances in water, electrochemical corrosion occurs, resulting in pipe wall thinning, holes appear, causing water leakage, steel pipe is easy to rust and corrode in humid environment, especially when buried, shorten service life, maintenance cost is high, for example, in some industrial pollution heavy area, because water contains a large amount of corrosive ions, steel pipe may be severely corroded in a few years.

[0003] Prior art such as the utility model with publication number CN218027965U discloses a kind of municipal water supply and drainage pipeline anticorrosion equipment, the patent adopts two pipe sleeves, pipe sleeve both ends are fixedly connected with connecting plate, pipe sleeve outside is equipped with cleaning assembly;Cleaning assembly includes cleaning brush, cleaning brush is equipped with pipe sleeve outside and is attached to pipe sleeve, connecting plate top is equipped with first sliding slot, first sliding slot is equipped with sliding block inside, sliding block is equipped with first sliding slot inside and is slidably connected with connecting plate, sliding block top both sides are equipped with clamping groove, cleaning brush bottom both ends are equipped with second sliding slot, cleaning brush one end both sides are equipped with L-shaped clamping block, L-shaped clamping block bottom is equipped with second sliding slot inside and is slidably connected with cleaning brush, solve the problem that most of the existing aboveground pipeline is bare pipe laying, without setting up corresponding protective equipment, prone to cause pipeline to be corroded and damaged.

[0004] In the process of using water supply and drainage pipeline in daily life, there are existing problems such as the above-mentioned water supply and drainage pipeline in the process of use, the composition of water supply and drainage medium is complex, the acid, alkali, salt and corrosive ions in industrial wastewater contained in sewage, etc. will directly react with the metal at the connecting position, the hydrogen ions in acidic sewage will displace the metal ions on the surface of the metal, causing the metal to gradually dissolve, and the wastewater containing chlorine ions will damage the passivation film on the surface of the metal, accelerating the corrosion process. With the passage of time, the connecting position is continuously corroded, resulting in damage to the structure of the pipeline, causing premature scrapping. UTILITY MODEL CONTENTS

[0005] The utility model discloses a municipal water supply and drainage pipeline equipment of corrosion resistance is provided, which solves the problem of the corrosion of the connection between the first pipeline and the second pipeline.

[0006] In order to realize the above-mentioned purpose, the utility model discloses a municipal water supply and drainage pipeline equipment of corrosion resistance, which comprises a first pipeline, a second pipeline and an anticorrosive assembly.

[0007] Preferably, the limiting ring is arranged in an arc shape, and the limiting ring is fixedly connected with the outer arc surface of the second pipeline. The limiting ring is in contact with the inner wall of the protection cylinder. By means of the protection cylinder, the connection between the first pipeline and the second pipeline can be protected, and the corrosion of the connection between the first pipeline and the second pipeline can be further effectively avoided.

[0008] Preferably, the limiting ring is arranged in an arc shape, and the limiting ring is fixedly connected with the outer arc surface of the second pipeline. The limiting ring is in contact with the inner wall of the protection cylinder. By means of the protection cylinder, the connection between the first pipeline and the second pipeline can be protected, and the corrosion of the connection between the first pipeline and the second pipeline can be further effectively avoided.

[0009] Preferably, the limiting ring is arranged in an arc shape, and the limiting ring is fixedly connected with the outer arc surface of the second pipeline. The limiting ring is in contact with the inner wall of the protection cylinder. By means of the protection cylinder, the connection between the first pipeline and the second pipeline can be protected, and the corrosion of the connection between the first pipeline and the second pipeline can be further effectively avoided.

[0010] Preferably, the rubber ring two is in contact with the inner wall of the protection cylinder, and the rubber ring two is arranged in an arc shape, so that the sealing performance between the protection cylinder and the assembling frame is effectively improved, and the corrosion resistance of the protection cylinder is further improved.

[0011] Preferably, the limiting springs are arranged in the interior of the receiving cavity, and the number of the limiting springs is four, and the four limiting springs are arranged in a circumferential array at the center of the assembling frame, so that the reset elastic force can be applied to the positioning pins.

[0012] Preferably, the positioning pins are arranged in a chamfered shape on the side close to the top rod, the positioning pins are clamped with the inner wall of the fixing hole, the positioning pins are in sliding connection with the inner wall of the receiving cavity, and the number of the positioning pins is four, and the four positioning pins are arranged in a circumferential array at the center of the assembling frame, so that the position of the protection cylinder can be constrained.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] In the utility model, when the first pipeline and the second pipeline are connected, the staff can hold the connecting ring with both hands, push the connecting ring to the direction of the connecting plate, push the top rod in the moving process of the connecting ring, the top rod is in contact with the chamfered portion of the positioning pin, the limiting pin is pushed, the limiting spring is extruded by the limiting pin, the limiting spring is deformed under stress, the limiting pin is moved into the receiving cavity, the position of the protection cylinder is not limited, the staff can hold the pull handle, the protection cylinder is aligned with the assembling frame, the pull handle is pulled to move the protection cylinder to the direction of the connecting plate, the staff stops pushing the connecting ring, the protection cylinder is in contact with the connecting plate, the fixing hole is aligned with the positioning pin, the positioning pin is not limited, the protection cylinder is used for protecting the connection between the first pipeline and the second pipeline again.

[0015] When the protection cylinder is removed, the staff can hold the pull handle with both hands, pull the pull handle to the direction of the assembling frame, the pull handle is in contact with the chamfered portion of the positioning pin in the moving process, the positioning pin is pushed, the limiting spring is extruded by the limiting pin under stress, the limiting spring is deformed under stress, the positioning block is moved to the direction of the receiving cavity, the positioning pin is completely moved into the interior of the receiving cavity, the protection cylinder is not limited, the staff can remove the protection cylinder, the anticorrosion assembly is arranged, a protective barrier is formed at the connection, the sealing glue or coating resistant to corrosion is used, the medium and the metal at the connection are isolated, the chemical corrosion speed is slowed down, and the overall service life of the pipeline system is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1The utility model provides a kind of three-dimensional structure schematic diagram of corrosion-resistant municipal water supply and drainage pipeline equipment;

[0017] Figure 2 The utility model provides a kind of sectional structure schematic diagram of corrosion-resistant municipal water supply and drainage pipeline equipment;

[0018] Figure 3 The utility model provides a kind of anticorrosive assembly structure schematic diagram of corrosion-resistant municipal water supply and drainage pipeline equipment;

[0019] Figure 4 The utility model provides a kind of partial structure schematic diagram of anticorrosive assembly of corrosion-resistant municipal water supply and drainage pipeline equipment;

[0020] Figure 5 The utility model provides a kind of local structure schematic diagram of anticorrosive assembly of corrosion-resistant municipal water supply and drainage pipeline equipment;

[0021] Figure 6 The utility model provides a kind of Figure 5 structure schematic diagram of corrosion-resistant municipal water supply and drainage pipeline equipment.

[0022] Legend:

[0023] 1, first pipeline;2, second pipeline;3, anticorrosive assembly;31, limit ring;32, rubber ring one;33, link plate;34, top rod;35, connecting ring;36, assembly frame;37, rubber ring two;38, storage cavity;39, limit spring;310, positioning pin;311, fixed hole;312, protection cylinder;313, pull handle. Specific implementation

[0024] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a kind of corrosion-resistant municipal water supply and drainage pipeline equipment, including first pipeline 1, second pipeline 2 and anticorrosive assembly 3, second pipeline 2 is arranged in the side surface of first pipeline 1, anticorrosive assembly 3 is arranged in the outer camber surface of first pipeline 1.

[0025] In the embodiment, the anti-corrosion assembly 3 comprises a limiting ring 31, the outer arc surface of the second pipeline 2 is fixedly connected with the limiting ring 31, the side, away from the first pipeline 1, of the limiting ring 31 is fixedly connected with a rubber ring 32, the side, away from the limiting ring 31, of the rubber ring 32 is fixedly connected with an adapter plate 33, the surface of the adapter plate 33 is provided with a circular hole, the adapter plate 33 is slidingly connected with a jack 34 at the inner wall of the circular hole, the side, close to the adapter plate 33, of the jack 34 is fixedly connected with a connecting ring 35, the outer arc surface of the first pipeline 1 is fixedly connected with an assembling frame 36, the outer arc surface of the assembling frame 36 is fixedly connected with a rubber ring 37, the outer arc surface of the assembling frame 36 is provided with a receiving cavity 38, the inner wall of the receiving cavity 38 is fixedly connected with a limiting spring 39, the free end of the limiting spring 39 is fixedly connected with a positioning pin 310, the outer arc surface of the assembling frame 36 is slidingly connected with a protection cylinder 312, the outer arc surface of the protection cylinder 312 is provided with a fixing hole 311, and the outer arc surface of the protection cylinder 312 is fixedly connected with a pull handle 313.

[0026] Specifically, the limiting ring 31 is arranged in an arc shape, the limiting ring 31 is fixedly connected with the outer arc surface of the second pipeline 2, and the limiting ring 31 is in contact with the inner wall of the protection cylinder 312.

[0027] The above-mentioned components achieve the effect that the protection cylinder 312 is convenient for protecting the connection between the first pipeline 1 and the second pipeline 2, and further effectively avoids corrosion of the connection between the first pipeline 1 and the second pipeline 2.

[0028] Specifically, the jack 34 is in contact with the inner wall of the protection cylinder 312, the jack 34 is in contact with the surface of the positioning pin 310, the jack 34 is in contact with the surface of the assembling frame 36, and the number of the jacks 34 is four, and the four jacks 34 are arranged in a circumferential array at the center of the adapter plate 33.

[0029] The above-mentioned components achieve the effect that the jacks 34 are convenient for limiting the position of the positioning pin 310, so as to ensure that the protection cylinder 312 can be installed.

[0030] Specifically, the assembling frame 36 is in contact with the surface of the adapter plate 33 in the installed state, and the assembling frame 36 is arranged in an arc shape.

[0031] The above-mentioned components achieve the effect that the assembling frame 36 is convenient for supporting the position of the protection cylinder 312.

[0032] Specifically, the rubber ring 37 is in contact with the inner wall of the protection cylinder 312, and the rubber ring 37 is arranged in an arc shape.

[0033] The above-mentioned components achieve the effect that the rubber ring 37 can effectively increase the sealing property between the protection cylinder 312 and the assembling frame 36, and further improve the anti-corrosion property of the interior of the protection cylinder 312.

[0034] Specifically, the limiting springs 39 are arranged in the interior of the receiving cavities 38, and the number of the limiting springs 39 is four, and the four limiting springs 39 are arranged in a circular array at the center of the assembling frame 36.

[0035] The effect achieved by the above-mentioned components is that the limiting springs 39 facilitate the application of the reset elastic force to the positioning pins 310.

[0036] Specifically, the positioning pins 310 are arranged in a chamfered manner on the side close to the jacks 34, the positioning pins 310 are in clamping connection with the inner walls of the fixing holes 311, the positioning pins 310 are in sliding connection with the inner walls of the receiving cavities 38, and the number of the positioning pins 310 is four, and the four positioning pins 310 are arranged in a circular array at the center of the assembling frame 36.

[0037] The effect achieved by the above-mentioned components is that the positioning pins 310 facilitate the constraint of the position of the protection cylinder 312.

[0038] Working principle: when the connection between the first pipeline 1 and the second pipeline 2 needs to be protected, the worker can hold the connecting ring 35 with both hands, and then push the connecting ring 35 towards the direction of the abutment plate 33, and then the connecting ring 35 pushes the jacks 34 in the moving process, the jacks 34 move to contact the chamfered portion of the positioning pins 310, and then the limiting pins are pushed, the limiting pins press the limiting springs 39, the limiting springs 39 are deformed under stress, and then the limiting pins move into the receiving cavities 38, and when the limiting pins completely move into the receiving cavities 38, the position of the protection cylinder 312 is no longer limited, then the worker can hold the pull handle 313, and align the protection cylinder 312 with the assembling frame 36, and then pull the pull handle 313 to move the protection cylinder 312 towards the direction of the abutment plate 33, and the worker can stop pushing the connecting ring 35 at this time, so that when the protection cylinder 312 contacts the abutment plate 33, the fixing holes 311 are aligned with the positioning pins 310, and then the positioning pins 310 are no longer limited and are reset, so that the protection cylinder 312 can be used to protect the connection between the first pipeline 1 and the second pipeline 2 again;

[0039] When the protection cylinder 312 needs to be removed, the worker can hold the pull handle 313 with both hands, and pull the pull handle 313 towards the direction of the assembling frame 36, and then the pull handle 313 contacts the chamfered portion of the positioning pins 310 in the moving process, and pushes the positioning pins 310, the positioning pins 310 press the limiting springs 39 under stress, the limiting springs 39 are deformed under stress, and then the limiting pins move towards the direction of the receiving cavities 38, until the positioning pins 310 completely move into the interior of the receiving cavities 38, and then the protection cylinder 312 is no longer limited, and then the worker can smoothly remove the protection cylinder, and the anticorrosion assembly 3 is arranged, so that a protective barrier can be formed at the connection, such as using a corrosion-resistant sealant or coating, isolating the medium and the metal at the connection, slowing down the chemical corrosion speed, and prolonging the overall service life of the pipeline system.

Claims

1. A corrosion-resistant municipal water supply and sewerage pipeline device, comprising a first pipeline (1), a second pipeline (2) and a corrosion protection assembly (3), characterized in that: The second pipeline (2) is arranged on the side surface of the first pipeline (1), the anticorrosion assembly (3) is arranged on the outer arc surface of the first pipeline (1), the anticorrosion assembly (3) comprises a limiting ring (31), the outer arc surface of the second pipeline (2) is fixedly connected with the limiting ring (31), one side of the limiting ring (31) away from the first pipeline (1) is fixedly connected with a rubber ring (32), one side of the rubber ring (32) away from the limiting ring (31) is fixedly connected with a connecting plate (33), the surface of the connecting plate (33) is provided with a circular hole, the top rod (34) is slidably connected with the inner wall of the circular hole of the connecting plate (33), one side of the top rod (34) close to the connecting plate (33) is fixedly connected with a connecting ring (35), the outer arc surface of the first pipeline (1) is fixedly connected with an assembling frame (36), the outer arc surface of the assembling frame (36) is fixedly connected with a rubber ring (37), the outer arc surface of the assembling frame (36) is provided with a receiving cavity (38), the inner wall of the receiving cavity (38) is fixedly connected with a limiting spring (39), the free end of the limiting spring (39) is fixedly connected with a positioning pin (310), the outer arc surface of the assembling frame (36) is slidably connected with a protection cylinder (312), the outer arc surface of the protection cylinder (312) is provided with a fixing hole (311), and the outer arc surface of the protection cylinder (312) is fixedly connected with a pull handle (313).

2. A corrosion resistant municipal water and sewerage pipe apparatus as claimed in claim 1 wherein: The limiting ring (31) is arranged in an arc shape and is fixedly connected with the outer arc surface of the second pipeline (2).

3. A corrosion resistant municipal water and sewer pipe apparatus according to claim 1, wherein: The top rod (34) is in contact with the inner wall of the protection cylinder (312), the surface of the top rod (34) is in contact with the positioning pin (310), and the surface of the top rod (34) is in contact with the assembling frame (36).

4. A corrosion resistant municipal water and sewer pipe apparatus according to claim 1, wherein: The assembling frame (36) is arranged in an arc shape and is in contact with the surface of the connecting plate (33) in the installed state.

5. A corrosion resistant municipal water and sewer pipe apparatus according to claim 1, wherein: The rubber ring (37) is in contact with the inner wall of the protection cylinder (312) and is arranged in an arc shape.

6. A corrosion resistant municipal water and sewer pipe apparatus according to claim 1, wherein: The limiting spring (39) is arranged in the receiving cavity (38), and the number of the limiting spring (39) is four.

7. A corrosion resistant municipal water and sewer pipe apparatus according to claim 1, wherein: The positioning pin (310) is arranged in a chamfered shape on one side close to the top rod (34), is clamped with the inner wall of the fixing hole (311), and is slidably connected with the inner wall of the receiving cavity (38). The number of the positioning pin (310) is four.

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