A wide range pipe repairer with adjustable pipe diameter

By adjusting the extension length of the steel strip in the through hole and using the locking device, the pipe repairer achieves flexible adaptation and stable sealing for different pipe diameters, solving the problem of low maintenance efficiency caused by the fixed specification design in the existing technology.

CN224592938UActive Publication Date: 2026-08-04ANHUI HENGSHENG SCI & TECH DEV GRP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI HENGSHENG SCI & TECH DEV GRP CO LTD
Filing Date
2025-06-20
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

Existing pipe repair kits are mostly designed with fixed specifications, making it difficult to quickly adapt to diverse pipe diameters, resulting in low repair efficiency.

Method used

Two sets of clamps are used, each set of clamps consists of multiple sets of parallel steel strips. The clamping diameter of the clamps is changed by adjusting the extension length of the steel strips in the through hole, and the sealing element is pressed by the opposite displacement of the locking element and the mounting plate to form a circumferential seal.

Benefits of technology

It achieves flexible adaptation to different pipe diameters, improves the versatility and sealing effect of the repair tool, and prevents fluid leakage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a wide range pipeline repairer of adjustable pipe diameter, include: two groups of clamp, two groups of clamp opposite setting, every group of clamp includes at least three groups parallel arrangement steel band, mounting plate, install in two ends of clamp, the inside of mounting plate is provided with the through -hole of adapting with steel band position and quantity, steel band slidably penetrates through through -hole, through adjusting the length of steel band that stretches out through -hole changes the diameter of clamp that holds tightly, the utility model discloses through the length of steel band that slides in the through -hole that stretches out, can adjust the diameter of clamp that holds tightly flexibly, adapts the pipeline of a variety of different outer diameters, has improved the versatility and practicality of repairer significantly, under the action of locking piece, mounting plate moves towards each other to the tight sealing element of compacting, make rubber pad produce annular compression deformation, form stable reliable sealing interface, prevent fluid leakage effectively.
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Description

Technical Field

[0001] This utility model relates to the field of pipeline repair technology, and in particular to a wide-range pipeline repair device with adjustable pipe diameter. Background Technology

[0002] When a pipe ruptures, a pipe repair tool is needed to repair it. The pipe repair tool includes a clamp, a gasket, and bolts. The gasket is placed on the inner wall of the clamp and fits against the inner wall of the clamp. The two ends of the clamp are fixed by bolts.

[0003] Existing repair kits are mostly designed with fixed specifications, requiring the customization of clamps and seals to match the pipe's outer diameter. When faced with diverse pipe diameters or emergency repair scenarios, they are difficult to adapt quickly, resulting in low repair efficiency. Therefore, a wide-range pipe repair kit with adjustable pipe diameter is proposed to solve this problem. Utility Model Content

[0004] This utility model addresses the shortcomings of existing technologies by providing the following technical solution:

[0005] A wide-range adjustable pipe repair kit, comprising:

[0006] Two sets of clamps are arranged opposite to each other, and each set of clamps includes at least three sets of parallel steel strips;

[0007] Mounting plates are installed at both ends of the clamp. The mounting plates have through holes that match the position and number of steel strips. The steel strips can slide through the through holes. The clamping diameter of the clamp can be changed by adjusting the length of the steel strips extending out of the through holes. Bolts are threaded into the side walls of the mounting plates. The bolts are screwed into the through holes to press against the steel strips for fixation.

[0008] Multiple sets of locking components are installed between two adjacent sets of mounting plates;

[0009] A sealing element is provided between the clamp and the pipe;

[0010] The steel strip extension length of the two sets of clamps is adjusted so that the clamping diameter matches the outer diameter of the pipe. The locking component drives the two sets of mounting plates to move towards each other and press the sealing component to form a circumferential seal.

[0011] As an improvement to the above technical solution, the sealing element includes a fixing plate and a rubber pad fixedly disposed on the side of the fixing plate facing the pipe.

[0012] As an improvement to the above technical solution, the surface of the fixing plate is provided with multiple sets of fixing units that are adapted to the number and position of the steel strip, and the fixing unit includes multiple sets of fixing rings for the steel strip to pass through.

[0013] As an improvement to the above technical solution, the locking component includes a threaded rod and a nut. The threaded rod passes through two adjacent sets of mounting plates in sequence. When the locking nut is tightened, the two sets of mounting plates are driven to move towards each other along the axial direction of the threaded rod.

[0014] As an improvement to the above technical solution, multiple sets of positioning holes for bolts to pass through are provided at both ends of the steel strip and at intervals along its extension direction.

[0015] The beneficial effects of this utility model are:

[0016] By adjusting the extension length of the sliding steel strip in the through hole, the clamping diameter can be flexibly adjusted to adapt to pipes of various outer diameters, significantly improving the versatility and practicality of the repair tool. Under the action of the locking element, the mounting plates move towards each other, thereby pressing the sealing element and causing the rubber gasket to undergo circumferential compression deformation, forming a stable and reliable sealing interface, effectively preventing fluid leakage. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the installation structure of this utility model;

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

[0019] Figure 3 This is a schematic diagram of the connection structure between the steel strip and the mounting plate of this utility model.

[0020] Reference numerals: 10, mounting plate; 11, locking element; 111, nut; 12, bolt; 13, through hole; 20, fixing piece; 21, fixing ring; 30, rubber pad; 40, steel strip; 41, positioning hole. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0022] A wide-range adjustable pipe repair kit, comprising:

[0023] Two sets of clamps are arranged opposite to each other, and each set of clamps includes at least three sets of parallel steel strips 40;

[0024] Mounting plates 10 are installed at both ends of the clamp. The interior of the mounting plates 10 has through holes 13 that match the position and number of steel strips 40. The steel strips 40 can slide through the through holes 13. The clamping diameter of the clamp can be changed by adjusting the length of the steel strips 40 extending out of the through holes 13. Bolts 12 are threaded into the side wall of the mounting plates 10. The bolts 12 are screwed into the through holes 13 to press against the steel strips 40 for fixation.

[0025] Multiple sets of locking elements 11 are disposed between two adjacent sets of mounting plates 10;

[0026] A sealing element is provided between the clamp and the pipe;

[0027] The steel strips 40 of the two sets of clamps are adjusted to extend to match the clamping diameter of the pipe. The locking component drives the two sets of mounting plates 10 to move towards each other and press the sealing component to form a circumferential seal.

[0028] Specifically, by coordinating and locking the two sets of clamps, sealing repairs of pipes with different diameters can be achieved. The sealing element is placed at the location on the pipe requiring repair. The clamping diameter of the clamp can be changed by adjusting the extension length of the sliding steel strip 40 in the through hole 13. When a larger pipe diameter needs to be accommodated, the length of the steel strip 40 between the two sets of mounting plates 10 is increased; when a smaller pipe diameter needs to be accommodated, the length of the steel strip 40 between the two sets of mounting plates 10 is decreased. After adjustment, the bolt 12 is tightened to press the steel strip 40 tightly, thereby securing the pipe. Position the steel strip 40 to ensure the clamps are stably fitted to the outer wall of the pipe. After the two sets of clamps are respectively fitted on both sides of the damaged part of the pipe, use multiple sets of locking parts 11 to connect the adjacent mounting plates 10. When the locking parts 11 are tightened step by step, they will drive the two mounting plates 10 to move closer to each other, thereby squeezing the middle sealing element. After the sealing element is compressed, it generates circumferential pressure and tightly fits the contact surface between the clamp and the pipe, achieving a good sealing effect and preventing fluid leakage. The length of the steel strip 40 can be adjusted to adapt to pipes of different diameters.

[0029] In one embodiment, the sealing element includes a fixing plate 20 and a rubber pad 30 fixedly disposed on the side of the fixing plate 20 facing the pipe. The fixing plate 20 is made of metal and fits inside the clamp, providing a support skeleton for the rubber pad 30, preventing the rubber pad 30 from undergoing excessive deformation or displacement when under pressure, enhancing the overall rigidity of the sealing element, and ensuring that it can bear force evenly. When the locking member drives the mounting plate 10 to move towards each other, the fixing plate 20 first bears the pressure and evenly transmits the pressure to the rubber pad 30, avoiding local stress concentration that could cause the rubber pad 30 to break.

[0030] In one embodiment, the surface of the fixing plate 20 is provided with multiple sets of fixing units adapted to the number and position of the steel strip 40. The fixing unit includes multiple sets of fixing rings 21 through which the steel strip 40 passes, so that the steel strip 40 and the fixing plate 20 mutually limit each other. When the steel strip 40 passes through the fixing rings 21, the fixing rings 21 form a circumferential constraint on the steel strip 40, preventing the steel strip 40 from twisting or shifting during the adjustment process. When the fixing plate 20 is squeezed, the fixing rings 21 serve as the connection node between the steel strip 40 and the fixing plate 20, preventing the steel strip 40 from coming out of the fixing plate 20 under pressure.

[0031] In one embodiment, the locking member 11 includes a threaded rod and a nut 111. The threaded rod passes through two adjacent sets of mounting plates 10 in sequence. When the locking nut 111 is tightened, it drives the two sets of mounting plates 10 to move towards each other along the axial direction of the threaded rod. During installation, the threaded rod passes through the mounting plates 10 on both sides, and then the nut 111 is screwed onto the end of the threaded rod. At this time, the nut 111 is not tightened, and there is a gap between the mounting plates 10. Then the nut 111 is tightened, and the threaded rod remains fixed. The nut 111 is pushed forward along the thread direction. When the nut 111 is tightened, it pushes one side of the mounting plate 10 to move to the other side, and the two sets of mounting plates 10 move towards each other and gradually approach each other.

[0032] In one embodiment, the steel strip 40 has multiple sets of positioning holes 41 at its two ends and spaced apart along its extension direction for the bolts 12 to pass through. After the steel strip 40 is adjusted to the correct position, the bolts 12 are rotated so that the ends of the bolts 12 are inserted into the positioning holes 41 of the steel strip. At this time, the steel strip is axially locked and cannot slide freely, ensuring that the clamp is in a stable state. The combination of the positioning holes 41 and the bolts 12 not only plays a mechanical limiting role, but also enhances the connection rigidity between the steel strip 40 and the mounting plate 10. When the locking member 11 applies pressure, the steel strip 40 will not shift or loosen due to uneven force.

[0033] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it.

Claims

1. A wide range pipe repairer with adjustable pipe diameter, characterized in that, include: Two sets of clamps are arranged opposite to each other, and each set of clamps includes at least three sets of parallel steel strips (40); Mounting plate (10) is installed at both ends of the clamp. The mounting plate (10) has through holes (13) inside that are adapted to the position and number of steel strips (40). The steel strips (40) can slide through the through holes (13). The clamping diameter of the clamp can be changed by adjusting the length of the steel strips (40) extending out of the through holes (13). Bolts (12) are threaded into the side wall of the mounting plate (10). The bolts (12) are screwed into the through holes (13) to press against the steel strips (40) to achieve fixation. Multiple sets of locking elements (11) are disposed between two adjacent sets of mounting plates (10); A sealing element is provided between the clamp and the pipe; The steel strip extension length of the two sets of clamps is adjusted so that the clamping diameter matches the outer diameter of the pipe. The locking component drives the two sets of mounting plates to move towards each other and press the sealing component to form a circumferential seal.

2. A wide range pipe repairer with adjustable pipe diameter according to claim 1, characterized in that: The sealing element includes a fixing plate (20) and a rubber pad (30) fixedly disposed on the side of the fixing plate (20) facing the pipe.

3. A wide range pipe repairer with adjustable pipe diameter according to claim 2, characterized in that: The surface of the fixing plate (20) is provided with multiple sets of fixing units that are adapted to the number and position of the steel strip (40). The fixing unit includes multiple sets of fixing rings (21) through which the steel strip (40) passes.

4. A wide range pipe repairer with adjustable pipe diameter according to claim 1, characterized in that: The locking component (11) includes a threaded rod and a nut (111). The threaded rod passes through two adjacent mounting plates (10) in sequence. When the locking nut (111) is tightened, the two mounting plates (10) are driven to move towards each other along the axial direction of the threaded rod.

5. A wide range pipe repairer of adjustable pipe diameter according to claim 4, characterized in that: The steel strip (40) has multiple sets of positioning holes (41) at both ends and at intervals along its extension direction for bolts (12) to pass through.