Leak-proof device at joint of water supply pipe

By combining a square fixing plate, a sealing sleeve structure, and a water source sensor, the leakage problem at the water supply pipe connection is solved, enabling timely leak detection and repair, and preventing water waste.

CN223909036UActive Publication Date: 2026-02-13YUNNAN TIANYUE PIPELINE CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520788531.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2026-02-13
Estimated Expiration
2035-04-24

AI Technical Summary

Technical Problem

As usage time increases, leaks may occur between connected water supply pipes, leading to water waste.

Method used

The system employs a square fixing plate and sealing sleeve structure. The water supply pipe flange fixing head is fixed to the square fixing plate with bolts and nuts to form a sealing sleeve. Combined with a water source sensor, it can monitor leaks in real time and issue an alarm.

Benefits of technology

Effectively prevent leaks at water pipe connections, promptly notify maintenance personnel for repairs, and reduce water waste.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223909036U_ABST
    Figure CN223909036U_ABST
Patent Text Reader

Abstract

The utility model discloses a leak-proof device at the joint of a water supply pipe, which comprises a square fixing plate, and the front end face and the rear end face of the square fixing plate are respectively provided with a water supply pipe flange fixing head attached to the square fixing plate. The front end face of the first water supply pipe flange fixing head and the rear end face of the second water supply pipe flange fixing head counted from left to right are each fixedly connected with a water supply pipe, and the water supply pipes communicate with the interior of the square fixing plate. The upper portion and the lower portion of the square fixing plate are each provided with a sealing sleeve, and the opposite faces of the two sealing sleeves are attached to each other. The utility model has the advantages that a layer of sealing sleeve can be formed on the outer sides of the two connected water supply pipes through the two sealing sleeves fixed on the upper and lower end surfaces of the square fixed plate, and through the sealing sleeve, when leakage is found between the two water supply pipes, a leaked water source can enter the sealing sleeve formed by the two sealing sleeves, so that the leakage of the water supply pipe is avoided. By means of the technical scheme, leakage of a water source can be prevented.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to water pipe technical field, concretely is a water supply pipe connecting place anti -leakage device. BACKGROUND

[0002] Water pipe is the pipeline of water supply or, modern water pipe of decoration is all adopt wall -buried type construction, the classification of water pipe has three, the first kind is metal pipe, such as hot galvanizing cast iron pipe of inner lining plastic, copper pipe, stainless steel pipe etc., the second kind is plastic composite metal pipe, such as steel plastic composite pipe, aluminum plastic composite pipe etc., the third kind is plastic pipe, such as PB pipe, PP-R pipe etc.;

[0003] And water supply pipe is a kind of green, energy-saving, environmental protection pipe material, not rust, not scale, not shrinkage, small fluid resistance, can effectively reduce the energy consumption of water supply, improve the water supply of water point and other advantages New water pipe, it is an ideal pipe network pipeline.

[0004] But with the increase of the use time of the connected water supply pipe, leakage may occur between the two connected water supply pipes, resulting in waste of water resources; Therefore, it does not meet the existing demand, and a water supply pipe connecting place anti-leakage device is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of water supply pipe connecting place anti-leakage device to solve the problems, such as the leakage between the two connected water supply pipes with the increase of the use time of the connected water supply pipe in the background art described above, resulting in waste of water resources.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of water supply pipe connecting place anti-leakage device, including square fixed plate, the front and rear end surface of the square fixed plate is equipped with a water supply pipe flange fixed head that is attached thereto, the front end surface of the first water supply pipe flange fixed head and the rear end surface of the second water supply pipe flange fixed head are fixedly connected with a water supply pipe from left to right, and the water supply pipe is communicated with the inside of square fixed plate;

[0007] The upper and lower sides of the square fixed plate are provided with a sealing sleeve, and the opposite surfaces of the two sealing sleeves are attached to each other, and a water source sensor is fixedly installed on one side of the lower end surface of the second sealing sleeve from top to bottom.

[0008] Preferably, the outer surface of the water supply pipe flange fixed head is provided with a circle of bolt fixing through holes, each bolt fixing through hole contains a fixing bolt inside, the surface of the fixing bolt towards the square fixed plate is fixed between the square fixed plate, the outer surface of the fixing bolt is provided with a nut on one side, and the surface of the nut towards the water supply pipe flange fixed head is attached to the water supply pipe flange fixed head.

[0009] Preferably, the lower end surface of the water source sensor is connected with a power supply transmission line, and the other end of the power supply transmission line is connected with a power supply system.

[0010] Preferably, the front of the water source sensor is provided with an internally-threaded drain port at the lower end surface of the second sealing sleeve from top to bottom, and the internally-threaded drain port is internally provided with an externally-threaded sealing plug rod.

[0011] Preferably, one side of the outer surface of the water supply pipe is provided with an annular sealing groove, and the upper and lower sides of the annular sealing groove are each provided with an arc-shaped sealing block.

[0012] Preferably, the surface of the sealing sleeve facing the square fixed plate is provided with a square groove, and the sealing sleeve is sleeved on the outer surface of the square fixed plate through the square groove, and the outer surface of the square fixed plate is attached to the inner wall of the square groove.

[0013] Preferably, the middle positions of the upper and lower end surfaces of the square fixed plate are each fixedly provided with a threaded fixing head, the outer side of the threaded fixing head is provided with an internally-threaded groove on the outer surface of the sealing sleeve, one side of the inner wall of the internally-threaded groove is provided with a through hole, and the threaded fixing head extends to the inside of the internally-threaded groove through the through hole.

[0014] The internally-threaded groove is internally provided with an internally- and-externally-threaded connecting sleeve matched with the internal threads, the surface of the internally- and-externally-threaded connecting sleeve facing the square fixed plate is provided with an internally-threaded connecting groove with internal threads matched with the external threads of the threaded fixing head, and the upper end surface of the first internally- and-externally-threaded connecting sleeve and the lower end surface of the second internally- and-externally-threaded connecting sleeve are each fixedly provided with a manual rotating handle.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1、The two sealing sleeves fixed on the upper and lower end surfaces of the square fixed plate can form a layer of sealing sleeve on the outer sides of the two water supply pipes connected with each other, and when leakage is found between the two water supply pipes, the leaked water source will enter the inside of the sealing sleeve formed by the two sealing sleeves, so as to prevent the leakage, and the above technical scheme can prevent the leakage of the water source.

[0017] 2, the utility model discloses a water source from the leakage between two water supply pipes will be under the action of gravity, first flow into the inside of the sealing sleeve of the lower end surface of square fixed plate, whether the inside of sealing sleeve contains water source can be monitored in real time through the water source sensor fixed on this sealing sleeve, if water source sensor has detected water source, will automatically send alarm signal, thereby prompting maintenance personnel to carry out maintenance, through the above technical scheme, staff can be quickly dispatched to carry out maintenance operation to two water supply pipes where water source leakage has occurred. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic view of the utility model;

[0019] Figure 2 It is the overall front view of the utility model;

[0020] Figure 3 It is the side view of square fixed plate in the utility model;

[0021] Figure 4 It is the utility model Figure 2 The structure enlarged view of A in the utility model.

[0022] In the drawing: 1, water supply pipe; 2, water supply pipe flange fixed head; 3, square fixed plate; 4, fixed bolt; 5, sealing sleeve; 6, water source sensor; 7, internal thread drain; 8, external thread sealing plug rod; 9, annular sealing groove; 10, arc-shaped sealing block; 11, threaded fixed head; 12, internal thread groove; 13, internal and external thread connecting sleeve; 14, internal thread connecting groove; 15, through hole; 16, square groove; 17, bolt fixing through hole; 18, nut. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] The water supply pipe 1 (model number is 100), water supply pipe flange fixed head 2 (model number is DN15) and water source sensor 6 (model number is GSK) mentioned in the utility model can be obtained from market purchase or private customization.

[0025] As Figure 1 And Figure 2As shown, the utility model provides an embodiment: a kind of water supply pipe connecting place anti-leakage device, square fixed plate 3 is equipped with the water supply pipe flange fixed head 2 being attached to the front and rear end surface of square fixed plate 3, the front end surface of the first water supply pipe flange fixed head 2 and the rear end surface of the second water supply pipe flange fixed head 2 are fixedly connected with a water supply pipe 1 from left to right, and water supply pipe 1 is communicated with the inside of square fixed plate 3;

[0026] Square fixed plate 3 is equipped with a sealing sleeve 5 in upper and lower sides, the opposite surface of two sealing sleeves 5 is mutually attached, and water source sensor 6 is fixedly installed on the side of the lower end surface of the second sealing sleeve 5 from top to bottom.

[0027] As the preferred technical scheme of the embodiment, as shown in Figure 2 And Figure 4 As shown, the outer surface of water supply pipe flange fixed head 2 is equipped with a circle bolt fixing through-hole 17, the inside of each bolt fixing through-hole 17 is contained with a fixed bolt 4, the surface of fixed bolt 4 towards square fixed plate 3 is fixed between square fixed plate 3, and the side of outer surface of fixed bolt 4 is sleeved with nut 18, and the surface of nut 18 towards water supply pipe flange fixed head 2 is attached to water supply pipe flange fixed head 2;Fixed bolt 4, bolt fixing through-hole 17 and nut 18 can be fixed between water supply pipe flange fixed head 2 and square fixed plate 3.

[0028] The middle position of the upper and lower end surfaces of square fixed plate 3 is fixedly installed with a threaded fixing head 11, the outer side of threaded fixing head 11 is equipped with the internal thread groove 12 located in the outer surface of sealing sleeve 5, the side of internal thread groove 12 inner wall is equipped with through-hole 15, and threaded fixing head 11 extends to the inside of internal thread groove 12 by penetrating through-hole 15;

[0029] The inner threaded groove 12 is internally provided with an inner and outer threaded connecting sleeve 13 matched with the inner thread thereof, the inner and outer threaded connecting sleeve 13 is provided with an inner threaded connecting groove 14 at the face thereof towards the square fixed plate 3, the outer thread of which is matched with the inner thread of the threaded fixed head 11, and the upper end face of the first inner and outer threaded connecting sleeve 13 and the lower end face of the second inner and outer threaded connecting sleeve 13 are both fixedly provided with a manual rotating handle; after the square fixed plate 3 is fixed between the two water supply pipe flange fixed heads 2, the two sealing sleeves 5 are picked up, the two through holes 15 on the two sealing sleeves 5 are respectively aligned with the threaded fixed heads 11 fixed on the upper and lower end faces of the square fixed plate 3, then the two sealing sleeves 5 are respectively sleeved on the outer surfaces of the upper and lower end portions of the square fixed plate 3 until the two sealing sleeves 5 are mutually abutted, in the process of sleeving the sealing sleeves 5, the threaded fixed heads 11 fixed on the outer surface of the square fixed plate 3 will also pass through the through holes 15 on the outer surface of the sealing sleeves 5 and enter the interior of the inner threaded groove 12, then the inner and outer threaded connecting sleeve 13 is rotated through the manual rotating handle, under the driving of the inner thread of the inner threaded groove 12, the rotating inner and outer threaded connecting sleeve 13 can move up and down while rotating, at this time the inner and outer threaded connecting sleeve 13 is moved towards the threaded fixed head 11, with the rotation and movement of the inner and outer threaded connecting sleeve 13, the threaded fixed heads 11 fixed on the outer surface of the square fixed plate 3 will gradually enter the interior of the inner threaded connecting groove 14 on the outer surface of the inner and outer threaded connecting sleeve 13, so as to fix the sealing sleeves 5 and the square fixed plate 3, through the two sealing sleeves 5 fixed on the upper and lower end faces of the square fixed plate 3, a layer of sealing sleeve can be formed on the outer sides of the two water supply pipes 1 connected with each other, through this sealing sleeve, when leakage is found between the two water supply pipes 1, the leaked water source will enter the interior of the sealing sleeve formed by the two sealing sleeves 5, so as to prevent leakage, through the embodiment, the leakage of water source can be prevented.

[0030] The water source leaked from the two water supply pipes 1 will first flow into the interior of the sealing sleeve 5 at the lower end face of the square fixed plate 3 under the action of gravity, through the water source sensor 6 fixed on the sealing sleeve 5, whether the interior of the sealing sleeve 5 contains water source can be monitored in real time, if the water source sensor 6 detects water source, an alarm signal will be automatically sent, so as to prompt the maintenance personnel to maintain, through the embodiment, the staff can be quickly dispatched to maintain the two water supply pipes 1 from which water source leaks.

[0031] As a preferred technical scheme of the embodiment, as shown in Figure 4 The lower end face of the water source sensor 6 is connected with a power transmission line, and the other end of the power transmission line is connected with a power supply system; through the power transmission line, the water source sensor 6 can be provided with energy for operation.

[0032] As a preferred technical scheme of the embodiment, as shown in Figure 2As shown, the front of the water source sensor 6 is provided with a internally threaded drain 7 at the lower end surface of the second sealing sleeve 5 from top to bottom, and the internally threaded drain 7 is internally provided with an externally threaded sealing plug rod 8; when the maintenance personnel come to the water leakage position, the flow of the water source inside the pipeline system composed of multiple square fixed plates 3 is closed, when the inside of the water supply pipe 1 is not in the flow of the water source, the collecting barrel is placed at the lower end surface of the internally threaded drain 7, and then the externally threaded sealing plug rod 8 is removed, so that the leaking water source flows into the inside of the collecting barrel, through this structure, the water source leaking into the inside of the two sealing sleeves 5 can be collected in advance, so as to prevent the case that the water source leaking from the water supply pipe 1 causes harm to the maintenance personnel if the water source is dangerous.

[0033] One side of the outer surface of the water supply pipe 1 is provided with an annular sealing groove 9, and the upper and lower sides of the annular sealing groove 9 are both provided with an arc-shaped sealing block 10, the upper end surfaces of the two arc-shaped sealing blocks 10 located inside the two annular sealing grooves 9 are fixed between the sealing sleeves 5 above the square fixed plate 3, and the lower end surfaces of the two arc-shaped sealing blocks 10 located inside the lower side of the two annular sealing grooves 9 are fixed between the sealing sleeves 5 below the square fixed plate 3; through the annular sealing groove 9 and the arc-shaped sealing block 10, the sealing between the water supply pipe 1 and the sealing sleeve 5 can be increased, so as to prevent the case that the water source leaking from the two water supply pipes 1 leaks to the outside from the gap between the water supply pipe 1 and the sealing sleeve 5.

[0034] As a preferred technical solution of the embodiment, as shown Figure 3 As shown, the surface of the sealing sleeve 5 facing the square fixed plate 3 is provided with a square groove 16, the sealing sleeve 5 is sleeved on the outer surface of the square fixed plate 3 through the square groove 16, and the outer surface of the square fixed plate 3 is fitted with the inner wall of the square groove 16; through this structure, the angle of the two sealing sleeves 5 can be prevented from changing, by fixing the angle of the two sealing sleeves 5, the water source sensor 6 installed on the outer surface of the sealing sleeve 5 can be fixed at the current position, and the case that it moves to the upper side of the water supply pipe 1 and cannot contact the leaking water source in the first time and issue an alarm signal can be prevented.

[0035] For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A device for preventing leakage at a water pipe joint, comprising a square fixing plate (3), characterized in that: The front and rear end faces of the square fixed plate (3) are provided with a water supply pipe flange fixing head (2) attached thereto, the front end face of the first water supply pipe flange fixing head (2) from left to right and the rear end face of the second water supply pipe flange fixing head (2) are fixedly connected with a water supply pipe (1), and the water supply pipe (1) communicates with the interior of the square fixed plate (3); The upper and lower sides of the square fixed plate (3) are provided with a sealing sleeve (5), and the opposite faces of the two sealing sleeves (5) are attached to each other, and the side of the lower end face of the second sealing sleeve (5) from top to bottom is fixedly installed with a water source sensor (6).

2. A leak-proof device for water supply pipe joint according to claim 1, characterized in that: The outer surface of the water supply pipe flange fixing head (2) is provided with a circle of bolt fixing through holes (17), the interior of each bolt fixing through hole (17) contains a fixing bolt (4), the face of the fixing bolt (4) towards the square fixed plate (3) is fixed with the square fixed plate (3), and the side of the outer surface of the fixing bolt (4) is sleeved with a nut (18), and the face of the nut (18) towards the water supply pipe flange fixing head (2) is attached to the water supply pipe flange fixing head (2).

3. A leak-proof device for water supply pipe joint according to claim 1, characterized in that: The lower end face of the water source sensor (6) is connected with a power supply transmission line, and the other end of the power supply transmission line is connected with a power supply system.

4. A leak-proof device for water supply pipe joints according to claim 3, characterized in that: The front of the water source sensor (6) is provided with an internally threaded drain port (7) located at the lower end face of the second sealing sleeve (5) from top to bottom, and the interior of the internally threaded drain port (7) is provided with an externally threaded sealing plug rod (8).

5. A leak-proof device for water supply pipe joint according to claim 1, characterized in that: One side of the outer surface of the water supply pipe (1) is provided with an annular sealing groove (9), the upper and lower sides of the interior of the annular sealing groove (9) contain an arc-shaped sealing block (10), the upper end faces of the two arc-shaped sealing blocks (10) located at the upper sides of the interiors of the two annular sealing grooves (9) are fixed between the sealing sleeves (5) located above the square fixed plate (3), and the lower end faces of the two arc-shaped sealing blocks (10) located at the lower sides of the interiors of the two annular sealing grooves (9) are fixed between the sealing sleeves (5) located below the square fixed plate (3).

6. A leak-proof device for water supply pipe joint according to claim 1, characterized in that: The face of the sealing sleeve (5) towards the square fixed plate (3) is provided with a square groove (16), the sealing sleeve (5) is sleeved to the outer surface of the square fixed plate (3) through the square groove (16), and the outer surface of the square fixed plate (3) is attached to the inner wall of the square groove (16).

7. A leak-proof device for water supply pipe joint according to claim 1, characterized in that: The middle positions of the upper and lower end faces of the square fixed plate (3) are fixedly installed with a threaded fixing head (11), the outer side of the threaded fixing head (11) is provided with an internally threaded groove (12) located at the outer surface of the sealing sleeve (5), one side of the inner wall of the internally threaded groove (12) is provided with a through hole (15), and the threaded fixing head (11) extends to the interior of the internally threaded groove (12) through the through hole (15); The inner threaded groove (12) is internally provided with an inner and outer threaded connecting sleeve (13) matched with the inner thread thereof, the inner and outer threaded connecting sleeve (13) is provided with an inner threaded connecting groove (14) matched with the outer thread of the threaded fixing head (11) on the surface of the square fixing plate (3), and the upper end surface of the first inner and outer threaded connecting sleeve (13) and the lower end surface of the second inner and outer threaded connecting sleeve (13) are both fixedly provided with a manual rotating handle.