CN219912212U - Non-excavation pipeline repair sleeve - Google Patents

Abstract

The utility model provides a non-excavation pipeline repair sleeve, which relates to the technical field of pipelines and comprises an integral structure and a mounting structure, wherein the mounting structure is positioned at the front and rear positions of the outer surfaces of two sides of the integral structure; the integral structure comprises a cylinder body, a first air bag is connected to the front side of the center of the inner surface of the cylinder body in a sliding manner, sliding grooves are formed in the top and bottom of the outer surface of the rear side of the first air bag, a second air bag is connected to the center of the inner surface of the sliding groove in a sliding manner, a connecting rod is fixedly connected to the centers of the outer surfaces of the first air bag and the second air bag, and a cylinder is connected to the outer surface of the connecting rod in a sliding manner.

Description

Non-excavation pipeline repair sleeve

Technical Field

The utility model relates to the technical field of pipelines, in particular to a non-excavation pipeline repair sleeve.

Background

The pipeline is a device for conveying gas, liquid or fluid with solid particles, which is formed by connecting pipes, pipe connectors, valves and the like, and generally, after the fluid is pressurized by a blower, a compressor, a pump, a boiler and the like, the fluid flows from a high pressure position to a low pressure position of the pipeline, and the pressure or gravity of the fluid can be utilized for conveying the fluid, so that the pipeline has wide application and is mainly used in water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, hydraulic engineering and various industrial devices.

In the prior art, most of the repairing methods adopt gas filled air bags to repair damaged parts of the pipeline, so that the repairing methods have high requirements on the air pressure in the air bags, and when the air pressure is once reduced, the air bags cannot be fully attached to the inside of the pipeline, so that the fluid in the pipeline overflows to the outside along the gaps.

Disclosure of Invention

The utility model aims to solve the problems that most of the prior art adopts an air bag filled with air to repair the damaged part of a pipeline, the air pressure in the air bag is required to be high in the repairing mode, and the air bag cannot be fully attached to the inside of the pipeline when the air pressure is reduced once, so that fluid in the pipeline can overflow to the outside along a gap.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the non-excavation pipeline repair sleeve comprises an integral structure and a mounting structure, wherein the mounting structure is positioned at the front and rear positions of the outer surfaces of two sides of the integral structure;

the utility model provides a gas tank structure, including the cylinder, the interior table wall center department front side position sliding connection of cylinder has first gasbag, the spout has been seted up at the rear side surface top and the bottom of first gasbag, the interior table wall center department sliding connection of spout has the second gasbag, the surface center department fixedly connected with connecting rod of first gasbag and second gasbag, the surface sliding connection of connecting rod has the drum, the opposite one side fixedly connected with spring of drum and connecting rod, the surface fixedly connected with electric telescopic handle of drum, the surface fixedly connected with gas tank body of electric telescopic handle.

Preferably, the centers of the outer surfaces of the two sides of the cylinder body are provided with sealing grooves, and the extending ends of the electric telescopic rods are fixedly connected with the outer surface of the cylinder.

Preferably, the outer surface of the second air bag is in sliding connection with the inner surface wall of the cylinder.

Preferably, one end of the spring is fixedly connected with the outer surface of the connecting rod, and the other end of the spring is fixedly connected with the inner surface wall of the cylinder.

Preferably, the top center department of gas pitcher body runs through and is provided with first pipeline, first pipeline's surface fixed mounting has first check valve, the bottom of gas pitcher body runs through and is provided with second pipeline, second pipeline's surface fixed mounting has the second check valve, first pipeline's inside communicates with the second gasbag is inside, second pipeline's inside communicates with the first gasbag.

Preferably, the mounting structure comprises a fixed block, a bolt is arranged at the center of the outer surface of the fixed block in a threaded manner, a threaded hole is formed in the position, located on the bolt, of the outer surface of the fixed block, and the inner surface wall of the threaded hole is in threaded connection with the outer surface of the bolt.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, when the gas pressure in the first air bag or the second air bag is continuously reduced, the gas in the gas tank body can be conveyed into the first air bag or the second air bag through the first conveying pipeline or the second conveying pipeline, so that the gas supplementing effect is achieved, the first air bag or the second air bag can be attached to the broken part of the cylinder, and the tightness of the cylinder is further ensured.

2. In the utility model, after the air bags are placed in the cylinder, the first air bag and the second air bag can be contacted with the inner wall of the cylinder more stably by utilizing the expansion force of the spring and the force of the electric telescopic rod, so that the first air bag and the second air bag can be in more stable inside of the cylinder.

Drawings

Fig. 1 is a schematic perspective view of a trenchless pipeline rehabilitation sleeve according to the present utility model;

FIG. 2 is a schematic cross-sectional view of the trenchless pipeline rehabilitation sleeve of FIG. 1 according to the present utility model;

FIG. 3 is an enlarged view of FIG. 1 at A;

fig. 4 is an enlarged view at B in fig. 2.

Legend description: 1. an integral structure; 2. a mounting structure; 101. a cylinder; 102. sealing grooves; 103. a first air bag; 104. a cylinder; 105. a connecting rod; 106. a spring; 107. a gas tank body; 108. a second one-way valve; 109. a second delivery conduit; 110. a chute; 111. a second air bag; 112. an electric telescopic rod; 113. a first delivery conduit; 114. a first one-way valve; 201. a fixed block; 202. a threaded hole; 203. and (5) a bolt.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Embodiment 1, as shown in fig. 1-4, a trenchless pipeline rehabilitation sleeve comprises a whole structure 1 and a mounting structure 2, wherein the mounting structure 2 is positioned at the front and back positions of the outer surfaces of two sides of the whole structure 1; the integral structure 1 comprises a cylinder body 101, a first air bag 103 is slidably connected to the front side position of the center of the inner surface wall of the cylinder body 101, a sliding groove 110 is formed in the top and the bottom of the outer surface of the rear side of the first air bag 103, a second air bag 111 is slidably connected to the center of the inner surface wall of the sliding groove 110, a connecting rod 105 is fixedly connected to the center of the outer surfaces of the first air bag 103 and the second air bag 111, a cylinder 104 is slidably connected to the outer surface of the connecting rod 105, a spring 106 is fixedly connected to one side opposite to the cylinder 104 and the connecting rod 105, an electric telescopic rod 112 is fixedly connected to the outer surface of the cylinder 104, and a gas tank body 107 is fixedly connected to the outer surface of the electric telescopic rod 112.

The effect achieved in the whole embodiment 1 is that, as shown in fig. two and fig. four, the second air bag 111 is located inside the sliding groove 110, then the sliding groove 110 is located inside the first air bag 103, then during the installation operation, the second air bag 111 slides inside the sliding groove 110, so that the installation operation can be normally performed, the expansion force of the spring 106 can be utilized by the first air bag 103 and the second air bag 111, and the extension force of the electric telescopic rod 112 can be more forcefully and stably located on the inner wall of the cylinder 101, and the model of the electric telescopic rod 112 is waterproof electric telescopic rod.

In embodiment 2, as shown in fig. 1-4, a sealing groove 102 is formed in the center of the outer surfaces of two sides of a cylinder 101, the extending end of an electric telescopic rod 112 is fixedly connected with the outer surface of the cylinder 104, the outer surface of a second air bag 111 is in sliding connection with the inner surface wall of the cylinder 101, one end of a spring 106 is fixedly connected with the outer surface of a connecting rod 105, the other end of the spring 106 is fixedly connected with the inner surface wall of the cylinder 104, a first conveying pipeline 113 is arranged in the center of the top of a gas tank body 107 in a penetrating manner, a first one-way valve 114 is fixedly arranged on the outer surface of the first conveying pipeline 113, a second conveying pipeline 109 is arranged in the bottom of the gas tank body 107 in a penetrating manner, a second one-way valve 108 is fixedly arranged on the outer surface of the second conveying pipeline 109, the inner portion of the first conveying pipeline 113 is communicated with the inner portion of the second air bag 111, the mounting structure 2 comprises a fixing block 201, a bolt 203 is arranged in the center of the outer surface of the fixing block 201 in a penetrating manner, a threaded hole 202 is formed in the position of the bolt 203, and the inner surface wall of the threaded hole 202 is in threaded connection with the outer surface of the bolt 203.

The effect that its whole embodiment 2 reached is, seal groove 102, fixed block 201, screw hole 202 and bolt 203 mutually support, then realizes being convenient for the user with barrel 101 and external pipeline butt joint to reuse bolt 203 and seal groove 102 realization laminating inseparabler, make the holistic leakproofness that improves.

Working principle: the user can put the first air bag 103 and the second air bag 111 into the barrel 101 manually, then move the first air bag 103 and the second air bag 111 to the breaking position, then the electric telescopic rod 112 starts to extend, so that the cylinder 104, the connecting rod 105 and the spring 106 can be driven to move, then the first air bag 103 and the second air bag 111 can feel force, the first air bag 103 can approach the inner wall of the barrel 101 and then contact with the inner wall of the barrel 101, the second air bag 111 can slide in the chute 110 and then contact with the inner wall of the barrel 101, after the contact of the first air bag 103 and the second air bag 111 is finished, the expansion force of the spring 106 and the extending force of the electric telescopic rod 112 can be realized to be more stably abutted against the inner surface of the barrel 101, then if the air pressure of the first air bag 103 or the second air bag 111 is continuously reduced, the first one-way valve 114 or the second one-way valve 108 is opened, and then the air in the air tank body 107 can be conveyed to the inner part of the second air bag 111 through the first conveying pipeline 113 or the second conveying pipeline 103 or the second air bag 109, and the function is further achieved.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (6)

1. A trenchless pipeline rehabilitation sleeve comprising:

the device comprises an integral structure (1) and a mounting structure (2), wherein the mounting structure (2) is positioned at the front and back positions of the outer surfaces of two sides of the integral structure (1);

the utility model provides an overall structure (1) includes barrel (101), the interior surface wall center department front side position sliding connection of barrel (101) has first gasbag (103), spout (110) have been seted up at the rear side surface top and the bottom of first gasbag (103), the interior surface wall center department sliding connection of spout (110) has second gasbag (111), the surface center department fixedly connected with connecting rod (105) of first gasbag (103) and second gasbag (111), the surface sliding connection of connecting rod (105) has drum (104), the opposite side fixedly connected with spring (106) of drum (104) and connecting rod (105), the external surface fixedly connected with electric telescopic handle (112) of drum (104), the external surface fixedly connected with gas pitcher body (107) of electric telescopic handle (112).

2. The trenchless pipeline rehabilitation sleeve of claim 1 wherein: a sealing groove (102) is formed in the center of the outer surfaces of the two sides of the cylinder body (101), and the extending end of the electric telescopic rod (112) is fixedly connected with the outer surface of the cylinder (104).

3. The trenchless pipeline rehabilitation sleeve of claim 1 wherein: the outer surface of the second air bag (111) is in sliding connection with the inner surface wall of the cylinder body (101).

4. The trenchless pipeline rehabilitation sleeve of claim 1 wherein: one end of the spring (106) is fixedly connected with the outer surface of the connecting rod (105), and the other end of the spring (106) is fixedly connected with the inner surface wall of the cylinder (104).

5. The trenchless pipeline rehabilitation sleeve of claim 1 wherein: the gas tank is characterized in that a first conveying pipeline (113) is arranged in the center of the top of the gas tank body (107) in a penetrating mode, a first one-way valve (114) is fixedly arranged on the outer surface of the first conveying pipeline (113), a second conveying pipeline (109) is arranged in the bottom of the gas tank body (107) in a penetrating mode, a second one-way valve (108) is fixedly arranged on the outer surface of the second conveying pipeline (109), the inside of the first conveying pipeline (113) is communicated with the inside of the second gas bag (111), and the inside of the second conveying pipeline (109) is communicated with the inside of the first gas bag (103).

6. The trenchless pipeline rehabilitation sleeve of claim 1 wherein: the mounting structure (2) comprises a fixed block (201), a bolt (203) is arranged at the center of the outer surface of the fixed block (201) in a threaded penetrating mode, a threaded hole (202) is formed in the position, located on the bolt (203), of the outer surface of the fixed block (201), and the inner surface wall of the threaded hole (202) is in threaded connection with the outer surface of the bolt (203).