Quick repair joint for urban water supply pipeline with self-adaption to different pipe diameters

By using a quick-repair connector for urban water supply pipelines with different diameters, and employing a left and right half-ring structure combined with a rubber pad and a ball core, the problem of water seepage and spraying at the damaged points of urban water supply pipelines has been solved, achieving convenient installation and effective sealing.

CN224516315UActive Publication Date: 2026-07-17HUIZHOU DAYA BAY AREA URBAN IND CITY INVESTMENT OPERATION MANAGEMENT CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUIZHOU DAYA BAY AREA URBAN IND CITY INVESTMENT OPERATION MANAGEMENT CO LTD
Filing Date
2025-08-01
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The existing urban water supply pipelines have loops that are difficult to effectively seal at the point of damage, leading to water leakage or high-speed water spray, which affects the efficiency of installation and maintenance.

Method used

A quick-repair connector that adapts to different pipe diameters was designed. It adopts a left half-ring and a right half-ring structure, combined with a rubber pad, a ball core and a locking assembly. It is fastened by bolts and nuts. The rubber pad deforms to adapt to changes in pipe diameter, and the flow is guided by the through hole of the ball core. The locking assembly is rotated to achieve sealing.

Benefits of technology

It achieves adaptive sealing for different pipe diameters, reduces water seepage, improves installation convenience and maintenance efficiency, and prevents water from spraying out.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224516315U_ABST
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Abstract

The utility model relates to the technical field of pipeline accessories, and disclose a kind of urban water supply pipeline fast repair joint of self-adapting different pipe diameter, left half ring and right half ring are away from the one end of hinged axle and hinge by bolt and nut detachable installation, the inside of right half ring is embedded with connecting pipe, the outside one end of connecting pipe is connected with external connection pipe, the inside movable mounting of external connection pipe has ball core body, the inside of ball core body is provided with through-hole, the top and bottom of ball core body are all fixedly installed with axle rod, the end of axle rod is fixedly installed with turntable, the outer wall of external connection pipe and located the outside of axle rod is provided with locking assembly. When two rubber pads are folded, the inner arc surface of both is elliptical, because the inner arc surface of rubber pad is larger, the inside of rubber pad is provided with deformation hole, so that the folding of left half ring and right half ring can be well applied to different outer diameter pipes.
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Description

Technical Field

[0001] This utility model relates to the field of pipe fittings technology, specifically a quick repair connector for urban water supply pipelines with different pipe diameters. Background Technology

[0002] Urban water supply pipelines are a crucial component of urban infrastructure, bearing the vital responsibility of delivering clean water from water treatment plants to households. Their planning, construction, maintenance, and management directly impact urban residents' water security, quality of life, and the city's sustainable development.

[0003] Some of these urban pipelines are prefabricated underground, while others are exposed. During construction and renovation, these pipelines can be unintentionally damaged, leading to leaks or high-speed water jets. The conventional method is to use two clamps fitted onto the damaged area and then lock them together with bolts and nuts to seal and repair the damage. However, some clamps are too large, and even when the two clamps are closed, water can still spray out from the sides of the clamps. At the same time, the high-speed water jet can also affect the closure of the clamps, making them difficult to install. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a quick-repair connector for urban water supply pipelines that adapts to different pipe diameters. It has the advantages of being suitable for different pipe diameters, easy to install, and reducing water leakage, thus solving the aforementioned problems.

[0006] (II) Technical Solution

[0007] To achieve the aforementioned objectives of adapting to different pipe diameters, facilitating installation, and reducing water seepage, this utility model provides the following technical solution: a quick-repair connector for urban water supply pipelines that adapts to different pipe diameters, comprising a left half-ring and a right half-ring. The left half-ring and the right half-ring are movably installed via a hinge and a pivot. Rubber pads are fixedly installed on the inner walls of both the left half-ring and the right half-ring. The ends of the left half-ring and the right half-ring away from the hinge and the pivot are detachably installed via bolts and nuts. A connecting pipe is embedded inside the right half-ring. An outer connecting pipe is threaded to one end of the connecting pipe. A ball core is movably installed inside the outer connecting pipe. A through hole is opened inside the ball core. A shaft is fixedly installed at the top and bottom of the ball core. A turntable is fixedly installed at the end of the shaft. A locking assembly is provided on the outer wall of the outer connecting pipe, located outside the shaft.

[0008] Preferably, the inner wall of the outer tube is provided with a spherical core curved surface groove corresponding to the spherical core, the rubber pad is provided with a deformation hole, and when the two rubber pads are closed, their inner arc surfaces are elliptical. The rubber pad inside the right half ring is provided with an eye hole corresponding to the connecting tube.

[0009] Preferably, the locking assembly includes a ring seat, which is fixedly installed on the outer wall of the outer tube; the outer wall of the ring seat has an installation groove, a T-shaped clip is inserted inside the installation groove, a spring is provided on the side of the T-shaped clip, a sealing cap is embedded at the opening of the installation groove, and a slot corresponding to the T-shaped clip is opened on the outer wall of the shaft.

[0010] Preferably, one end of the T-shaped card head inserted into the card slot is hemispherical, and the number of T-shaped card heads is four, arranged in a ring with equal spacing.

[0011] Preferably, the end of the shaft away from the ball core extends through and to the outside of the outer tube.

[0012] (III) Beneficial Effects

[0013] Compared with the prior art, this utility model provides a quick repair joint for urban water supply pipelines with different pipe diameters, which has the following advantages:

[0014] 1. This adaptive quick repair connector for urban water supply pipelines of different diameters involves fitting the left and right half-rings onto the ruptured pipe, adjusting the connecting pipe to the point where the pipe ruptures and sprays water, and then using bolts and nuts to close and tighten the left and right half-rings. The rubber pads in the rings deform under stress, thereby compressing and sealing the space around the ruptured pipe, thus reducing water seepage.

[0015] 2. This quick repair joint for urban water supply pipelines with different pipe diameters is designed so that when the two rubber pads are closed, their inner arc surfaces are set in an elliptical shape. Because the inner arc surface of the rubber pad is large and the rubber pad has deformation holes inside, the left and right half rings can be well adapted to pipes with different outer diameters after being closed.

[0016] 3. This adaptive quick-repair connector for urban water supply pipelines of different diameters allows for easy installation. When the connecting pipe is adjusted to the point of pipe rupture and water spray, high-speed water jets out from the through-hole of the spherical core. This prevents the left and right half-rings from being impacted by the water, facilitating convenient installation. After the left and right half-rings are assembled and locked, the spherical core is rotated 90 degrees by a turntable. Once the through-hole is deflected, the water cannot spray outwards, thus enabling the repair of leaking pipes. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the opened structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the transverse cross-section structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the longitudinal section structure of this utility model;

[0021] Figure 5 This is an exploded structural diagram of the outer tube, ball core, and turntable of this utility model;

[0022] Figure 6 This is an exploded structural diagram of the locking component of this utility model.

[0023] In the diagram: 1. Left half ring; 2. Right half ring; 3. Hinge and hinge; 4. Rubber pad; 5. Bolt and nut; 6. Connecting pipe; 7. Outer pipe; 8. Ball core; 9. Through hole; 10. Shaft; 11. Turntable; 12. Locking assembly; 13. Ball core curved groove; 14. Deformation hole; 121. Ring seat; 122. Mounting groove; 123. T-shaped clip; 124. Spring; 125. Sealing cap; 126. Slot. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-5 A quick-repair connector for urban water supply pipelines with different pipe diameters is disclosed, comprising a left half-ring 1 and a right half-ring 2. The left half-ring 1 and the right half-ring 2 are movably installed via a hinge pin and a hinge 3. Rubber pads 4 are fixedly installed on the inner walls of both the left half-ring 1 and the right half-ring 2. The ends of the left half-ring 1 and the right half-ring 2 away from the hinge pin and the hinge 3 are detachably installed via bolts and nuts 5. A protruding end is provided at the end of the left half-ring 1 and the right half-ring 2 away from the hinge pin and the hinge 3, and a through hole corresponding to the bolt and nut 5 is opened on the protruding end, thereby facilitating the installation and locking of the left half-ring 1 and the right half-ring 2.

[0026] Please see Figure 1-5The right half ring 2 is internally fitted with a connecting pipe 6. One end of the connecting pipe 6 is threaded to an outer pipe 7. A ball core 8 is movably installed inside the outer pipe 7. A through hole 9 is opened inside the ball core 8. A shaft 10 is fixedly installed at the top and bottom of the ball core 8. The end of the shaft 10 away from the ball core 8 passes through and extends to the outside of the outer pipe 7. A turntable 11 is fixedly installed at the end of the shaft 10. A locking component 12 is provided on the outer wall of the outer pipe 7 and outside the shaft 10 to lock the position of the shaft 10 and prevent the shaft 10 from rotating on its own, which would cause the ball core 8 to rotate and thus cause water leakage.

[0027] Please see Figure 1-5 The inner wall of the outer pipe 7 is provided with a spherical core curved surface groove 13 corresponding to the spherical core 8. The spherical core 8 and the spherical core curved surface groove 13 are tangent to ensure that water will not seep out from the gap between the two. The rubber pad 4 is provided with a deformation hole 14. When the two rubber pads 4 are closed, their inner arc surfaces are set in an elliptical shape. The rubber pad 4 inside the right half ring 2 is provided with an eye hole corresponding to the connecting pipe 6.

[0028] Please see Figure 5-6 The locking assembly 12 includes a ring seat 121, which is fixedly installed on the outer wall of the outer tube 7. The outer wall of the ring seat 121 has a mounting groove 122, inside which a T-shaped clip 123 is inserted. A spring 124 is provided on the side of the T-shaped clip 123. A cap 125 is embedded at the opening of the mounting groove 122. The outer wall of the shaft 10 has a slot 126 corresponding to the T-shaped clip 123. One end of the T-shaped clip 123 inserted into the slot 126 is hemispherical. Four T-shaped clips 123 are arranged in a ring at equal intervals, with adjacent pairs forming a 90-degree angle.

[0029] Working principle: When in use, the left half ring 1 and the right half ring 2 are fitted onto the ruptured pipe, the connecting pipe 6 is adjusted to the ruptured water spray point, and then the left half ring 1 and the right half ring 2 are closed and tightened using bolts and nuts 5. The rubber pad 4 in the ring is deformed under force, which in turn compresses and seals the space around the ruptured pipe, thereby reducing water penetration.

[0030] When the two rubber pads 4 are joined together, their inner arc surfaces are set in an elliptical shape. Because the inner arc surface of the rubber pad 4 is large and the rubber pad 4 has deformation holes 14 inside, the left half ring 1 and the right half ring 2 can be well adapted to pipes with different outer diameters after being joined together.

[0031] The connecting pipe 6 is adjusted to the point where the pipe breaks and water sprays out. High-speed water jets out from the through hole 9 of the ball core 8. Then, the installation of the left half ring 1 and the right half ring 2 will not be affected by the impact of water, thus achieving convenient installation. After the left half ring 1 and the right half ring 2 are assembled and locked, the ball core 8 is driven to rotate 90 degrees by the turntable 11. After the through hole 9 is deflected, the water jet cannot spray out, thus achieving the repair of the leaking pipe.

[0032] Each time the turntable 11 rotates, the spring 124 pushes the T-shaped clip 123 into the slot 126. This locks the shaft 10 and the insertion of the T-shaped clip 123 into the slot 126 creates an impact vibration, allowing the user to know that the turntable 11 has rotated ninety degrees.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A self-adapting different pipe diameter urban water supply pipeline rapid repair joint, comprising a left half ring (1) and a right half ring (2), the left half ring (1) and the right half ring (2) are movably installed through a hinge shaft and a hinge (3), characterized in that: Rubber pads (4) are fixedly installed on the inner walls of the left half ring (1) and the right half ring (2). The ends of the left half ring (1) and the right half ring (2) away from the hinge shaft and the hinge (3) are detachably installed by bolts and nuts (5). A connecting pipe (6) is embedded inside the right half ring (2). An outer pipe (7) is threaded to one end of the connecting pipe (6). A ball core (8) is movably installed inside the outer pipe (7). A through hole (9) is opened inside the ball core (8). A shaft (10) is fixedly installed at the top and bottom of the ball core (8). A turntable (11) is fixedly installed at the end of the shaft (10). A locking assembly (12) is provided on the outer wall of the outer pipe (7) and outside the shaft (10).

2. The self-adapting different pipe diameter urban water supply pipeline rapid repair joint according to claim 1, characterized in that: The inner wall of the outer tube (7) is provided with a spherical core curved surface groove (13) corresponding to the spherical core (8), and the rubber pad (4) is provided with a deformation hole (14). When the two rubber pads (4) are closed, their inner arc surfaces are set in an elliptical shape. The rubber pad (4) inside the right half ring (2) is provided with an eye hole corresponding to the connecting tube (6).

3. The quick-repair connector for urban water supply pipelines with different pipe diameters as described in claim 1, characterized in that: The locking assembly (12) includes a ring seat (121), which is fixedly installed on the outer wall of the outer tube (7); the outer wall of the ring seat (121) is provided with an installation groove (122), a T-shaped clip (123) is inserted inside the installation groove (122), a spring (124) is provided on the side of the T-shaped clip (123), a cap (125) is embedded at the opening of the installation groove (122), and a slot (126) corresponding to the T-shaped clip (123) is opened on the outer wall of the shaft (10).

4. The quick-repair connector for urban water supply pipelines with different pipe diameters according to claim 3, characterized in that: The T-shaped card head (123) is inserted into the card slot (126) at one end in a hemispherical shape. There are four T-shaped card heads (123) arranged in a ring with equal spacing.

5. The self-adapting different pipe diameter urban water supply pipeline rapid repair joint according to claim 1, characterized in that: The end of the shaft (10) away from the ball core (8) passes through and extends to the outside of the outer tube (7).