Water stop device on PE (Poly Ethylene) pipeline at inspection well
By introducing leak-proof and sealing devices into the water-stopping device, and utilizing a combination of an expansion rubber sleeve and an air-guiding hose, the problem of insufficient expansion of the water-stopping device is solved, achieving a better sealing effect.
Patent Information
- Application Number
- CN202520617304.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-04-03
AI Technical Summary
Existing water-stopping devices are prone to insufficient expansion after prolonged use, resulting in reduced water-stopping effectiveness.
By employing a leak-proof and sealing device, and combining an expansion rubber sleeve and a gas-conducting hose, the gas-expanding rubber sleeve is tightly fitted to the steel pipe, and a magnetic sealing device is used to prevent gas leakage, thus achieving an effective seal.
This effectively avoids problems such as insufficient expansion and gas leakage during the use of the water-stopping device, thus improving the water-stopping effect.
Smart Images

Figure CN223754849U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to PE pipeline water stop device technical field especially, relates to a kind of water stop device on PE pipeline at inspection well. BACKGROUND
[0002] Water stop device on PE pipeline at inspection well is a kind of equipment for preventing water from seeping from the connection of PE pipeline and inspection well, rubber water stop ring;It is one of the most commonly used water stop devices, it is usually a ring-shaped rubber ring, installed in the part of PE pipeline insertion inspection well, tightly fits the inner wall of pipeline and inspection well by the elastic deformation of rubber, to prevent water seepage, water stop flange;It is made of metal or plastic, including a flange plate connected with PE pipeline and a rubber gasket for sealing, when installing, water stop flange is connected with PE pipeline, then it is fixed on the wall of inspection well by bolt, rubber gasket realizes sealing water stop under pressure, water stop saddle;It is generally plastic or metal material, shape is similar to saddle, it is wrapped in the outside of PE pipeline, and the wall surface of inspection well is contacted, is fixed by bolt or other fastening device, and forms sealing between pipeline and inspection well.
[0003] When worker puts steel pipe into inspection well and constructs, when steel pipe contacts with water-expanding water stop belt of water stop device, steel pipe is limited, so that water-expanding water stop belt carries out water stop to the connection of steel pipe and inspection well, but the existing water stop device can appear insufficient expansion after long time use, cause water stop device to be unable to closely adhere to the surface of steel pipe, and further cause the problem that the water stop effect of water stop device appears reduction. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the problem that the water stop effect of water stop device appears reduction in prior art, and proposes a kind of water stop device on PE pipeline at inspection well.
[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a water stop device on PE pipeline at inspection well, including water stop, first connecting rod, second connecting rod and leakage protection device, the first connecting rod is installed on the top of second connecting rod, the water stop is arranged in the inboard of second connecting rod, the leakage protection device is arranged in the inboard of second connecting rod, the leakage protection device includes the ring of placing, the ring of placing is placed in the inboard of second connecting rod, the inboard fixed connection of ring of placing has the expansion rubber cover, the water stop is fixedly connected with the inboard of expansion rubber cover, the upper surface fixed connection of expansion rubber cover has the air hose, the inboard screw thread connection of first connecting rod has the metal ring, the metal ring is set up on the top of ring of placing, the inboard fixed connection of second connecting rod has the limit ring, the ring of placing is placed on the one side of limit ring, the top of metal ring is set up with the placing mouth, the placing mouth is located above the ring of placing, and the placing mouth can cooperate with the metal ring to reach the purpose of convenient worker's placing auxiliary tool adjustment metal ring rotation.
[0006] Preferably, the top of the air hose is provided with a closing device, the closing device comprises a connector, the connector is fixedly connected with the top of the air hose, and the connector can cooperate with the air hose to support the guide block.
[0007] Preferably, the upper surface of the connector is fixedly connected with a guide block, and the guide block is located above the metal ring, so that the guide block can cooperate with the connector to fix the guide block.
[0008] Preferably, the surface of the guide block is rotatably connected with a rotating plate, the rotating plate is placed on the upper surface of the connector, and the rotating plate can cooperate with the guide block to adjust the rotation of the rotating plate.
[0009] Preferably, the inboard of the rotating plate is screw-connected with a closing rod, the closing rod is inserted into the inboard of the connector, one side of the connector is fixedly connected with a magnetic block, and the magnetic block can cooperate with the connector to spread magnetic force so that the connector can be adsorbed on the metal ring.
[0010] Preferably, the top of the metal ring is provided with a receiving opening, and the receiving opening is located below the connector, so that the receiving opening can cooperate with the metal ring to receive the connector.
[0011] Compared with the prior art, the utility model has the advantages and positive effects that:
[0012] 1、 The utility model discloses a leak protection device is set up, when the worker needs to prevent the leakage of the connecting place of steel pipe and inspection well, places the ring in the inside of second connecting rod, and the limiting ring is pressed against the placing ring, and places the metal ring in the inside of first connecting rod, and the worker places the auxiliary tool in two placing mouths, rotates the auxiliary tool, and the auxiliary tool drives the metal ring to rotate, and the metal ring is influenced by the screw thread and gradually extends downward, and the metal ring is sleeved on the top of placing ring, and the worker puts the steel pipe into the inspection well, and the worker opens the closure device and connects the gas transmission equipment with the gas guide hose, and the gas guide hose guides the gas into the cavity between the inflatable rubber sleeve and placing ring, and the inflatable rubber sleeve expands outward, and the inflatable rubber sleeve pushes the water stop belt, and the water stop belt and inflatable rubber sleeve are close to the surface of steel pipe, and the gas transmission equipment is taken out, and the closure device is adjusted to close the gas guide hose, through setting up leak protection device, can effectively facilitate the worker to prevent the leakage of the connecting place of steel pipe and inspection well, avoids the insufficient expansion of water stop device when using, and further improves the water stop effect of water stop device.
[0013] 2、 The utility model discloses a closure device is set up, when the worker needs to close the gas guide hose, rotates the rotating plate, and the rotating plate drives the closure rod, when the closure rod is aligned with the connector, rotates the closure rod, and the closure rod extends and inserts the hole groove of connector, and the worker places the connector on the storage mouth, and the both ends of connector will contact with the inner wall of metal ring, and the magnetic attraction carried on the surface of connector will be adsorbed on the metal ring, through equipment closure device, can effectively close the gas guide hose, avoids the leakage of the gas in the gas guide hose, and further improves the water stop effect of water stop device. ACCURACY OF DRAWINGS
[0014] Figure 1 A three-dimensional structure schematic view of the water stop device on the PE pipeline at the inspection well is provided for the utility model;
[0015] Figure 2 A leak protection device structure schematic view of the water stop device on the PE pipeline at the inspection well is provided for the utility model;
[0016] Figure 3 A three-dimensional structure schematic view of the water stop device on the PE pipeline at the inspection well is provided for the utility model; Figure 2 The enlarged structure schematic view of A in the middle of the water stop device on the PE pipeline at the inspection well is provided for the utility model;
[0017] Figure 4 A closure device structure schematic view of the water stop device on the PE pipeline at the inspection well is provided for the utility model;
[0018] Figure 5 The enlarged structure schematic view of B in the middle of the water stop device on the PE pipeline at the inspection well is provided for the utility model. Figure 4
[0019] Legend:
[0020] 1, water stop; 2, first connecting rod; 3, leak-proof device; 31, metal ring; 32, placement ring; 33, inflatable rubber sleeve; 34, air guide hose; 35, limiting ring; 36, placement opening; 4, sealing device; 41, sealing rod; 42, guide block; 43, rotating plate; 44, magnetic attraction block; 45, connecting head; 46, storage opening; 5, second connecting rod. DETAILED DESCRIPTION
[0021] Please refer to Figures 1-5 The utility model provides a technical scheme: a water stop device on the PE pipeline at the inspection well, including water stop 1, first connecting rod 2, second connecting rod 5 and leak-proof device 3, first connecting rod 2 is installed on the top of second connecting rod 5, water stop 1 is arranged in the inside of second connecting rod 5, and leak-proof device 3 is arranged in the inside of second connecting rod 5.
[0022] The specific setting and function of leak-proof device 3 and sealing device 4 will be described below.
[0023] In this embodiment: leak-proof device 3 includes placement ring 32, and placement ring 32 is placed in the inside of second connecting rod 5, the inside of placement ring 32 is fixedly connected with inflatable rubber sleeve 33, water stop 1 is fixedly connected with the inside of inflatable rubber sleeve 33, the upper surface of inflatable rubber sleeve 33 is fixedly connected with air guide hose 34, the inside of first connecting rod 2 is screw-connected with metal ring 31, metal ring 31 is sleeved on the top of placement ring 32, the inside of second connecting rod 5 is fixedly connected with limiting ring 35, and placement ring 32 is placed on one side of limiting ring 35.
[0024] Specifically, the top of metal ring 31 is provided with placement opening 36, and placement opening 36 is located above placement ring 32, and placement opening 36 can be matched with metal ring 31 to facilitate workers to place auxiliary tools and adjust the rotation of metal ring 31.
[0025] Specifically, the top of air guide hose 34 is provided with sealing device 4, and sealing device 4 includes connecting head 45, and connecting head 45 is fixedly connected with the top of air guide hose 34.
[0026] In this embodiment: connecting head 45 can be matched with air guide hose 34 to support guide block 42.
[0027] In this embodiment: the upper surface of connecting head 45 is fixedly connected with guide block 42, and guide block 42 is located above metal ring 31, and guide block 42 can be matched with connecting head 45 to fix guide block 42.
[0028] Specifically, the surface of the guide block 42 is rotationally connected with a rotating plate 43, and the rotating plate 43 is placed on the upper surface of the connecting head 45.
[0029] In this embodiment: the rotating plate 43 can cooperate with the guide block 42 to achieve the purpose of adjusting the rotation of the rotating plate 43.
[0030] Specifically, the inner side of the rotating plate 43 is screw-connected with a closing rod 41, the closing rod 41 is inserted with the inner side of the connecting head 45, one side of the connecting head 45 is fixedly connected with a magnetic block 44, and the magnetic block 44 can cooperate with the connecting head 45 to achieve the purpose of propagating magnetic force so that the connecting head 45 can be adsorbed on the metal ring 31.
[0031] Specifically, the top end of the metal ring 31 is provided with a receiving opening 46, and the receiving opening 46 is located below the connecting head 45.
[0032] In this embodiment: the receiving opening 46 can cooperate with the metal ring 31 to achieve the purpose of receiving the connecting head 45.
[0033] Working principle: by setting the leakage prevention device 3, when the worker needs to prevent leakage at the connection between the steel pipe and the inspection well, the placing ring 32 is placed on the inner side of the second connecting rod 5, the limiting ring 35 abuts against the placing ring 32, the metal ring 31 is placed on the inner side of the first connecting rod 2, the worker places the auxiliary tool in the two placing openings 36, rotates the auxiliary tool, the auxiliary tool drives the metal ring 31 to rotate, the metal ring 31 is affected by the screw and gradually extends downward, the metal ring 31 is sleeved on the top end of the placing ring 32, the worker puts the steel pipe into the inspection well, the worker opens the closing device 4 and connects the gas conveying equipment with the gas guide hose 34, the gas guide hose 34 guides the gas into the cavity between the inflatable rubber sleeve 33 and the placing ring 32, the inflatable rubber sleeve 33 expands outward, the inflatable rubber sleeve 33 pushes the water stop belt 1, and the water stop belt 1 and the inflatable rubber sleeve 33 are tightly attached to the surface of the steel pipe, the gas conveying equipment is taken out, the closing device 4 is adjusted to close the gas guide hose 34, by setting the leakage prevention device 3, the worker can effectively and conveniently prevent leakage at the connection between the steel pipe and the inspection well, avoiding the situation that the water stop device is not expanded enough when in use, thereby improving the water stopping effect of the water stop device, in addition, by setting the closing device 4, when the worker needs to close the gas guide hose 34, the rotating plate 43 is rotated, the rotating plate 43 drives the closing rod 41, when the closing rod 41 is aligned with the connecting head 45, the closing rod 41 is rotated, the closing rod 41 extends and is inserted into the hole slot of the connecting head 45, the worker places the connecting head 45 on the receiving opening 46, the two ends of the connecting head 45 will be in contact with the inner wall of the metal ring 31, and the magnetic attraction carried on the surface of the connecting head 45 will be adsorbed on the metal ring 31, by the equipment closing device 4, the gas guide hose 34 can be effectively closed, avoiding the situation that the gas in the gas guide hose 34 leaks, thereby improving the water stopping effect of the water stop device.
Claims
1. A water stop device on a PE pipe at a manhole, comprising a water stop belt (1), a first connecting rod (2), a second connecting rod (5) and a leak protection device (3), characterized in that: The first connecting rod (2) is installed on the top end of the second connecting rod (5), the water stop belt (1) is arranged on the inner side of the second connecting rod (5), the leakage prevention device (3) is arranged on the inner side of the second connecting rod (5), the leakage prevention device (3) comprises a placing ring (32), the placing ring (32) is placed on the inner side of the second connecting rod (5), the inner side of the placing ring (32) is fixedly connected with an inflatable rubber sleeve (33), the water stop belt (1) is fixedly connected with the inner side of the inflatable rubber sleeve (33), the upper surface of the inflatable rubber sleeve (33) is fixedly connected with a gas guide hose (34), the inner side of the first connecting rod (2) is threadedly connected with a metal ring (31), the metal ring (31) is sleeved on the top end of the placing ring (32), the inner side of the second connecting rod (5) is fixedly connected with a limiting ring (35), and the placing ring (32) is placed on one side of the limiting ring (35).
2. A water stop device on a PE pipe at a manhole according to claim 1, characterized in that: The top end of the metal ring (31) is provided with a placing opening (36), and the placing opening (36) is located above the placing ring (32).
3. A waterstop device on a PE pipe at a manhole according to claim 1, characterized in that: The top end of the gas guide hose (34) is provided with a sealing device (4), and the sealing device (4) comprises a connecting head (45) fixedly connected with the top end of the gas guide hose (34).
4. A waterstop device on a PE pipe at a manhole according to claim 3, characterized in that: The upper surface of the connecting head (45) is fixedly connected with a guide block (42), and the guide block (42) is located above the metal ring (31).
5. A waterstop device on a PE pipe at a manhole according to claim 4, characterized in that: The surface of the guide block (42) is rotatably connected with a rotating plate (43), and the rotating plate (43) is placed on the upper surface of the connecting head (45).
6. A waterstop device on a PE pipe at a manhole according to claim 5, characterized in that: The inner side of the rotating plate (43) is threadedly connected with a sealing rod (41), and the sealing rod (41) is inserted into the inner side of the connecting head (45), one side of the connecting head (45) is fixedly connected with a magnetic block (44).
7. A waterstop device on a PE pipe at a manhole according to claim 2, characterized in that: The top end of the metal ring (31) is provided with a receiving opening (46), and the receiving opening (46) is located below the connecting head (45).