Quick water plugging ball for water shut-off test

By designing a rapid water-blocking ball structure with an air supply cylinder and an expansion balloon, the problem of slow inflation required by traditional water-blocking balls is solved, achieving rapid expansion and effective blocking, thus improving installation efficiency and water-blocking effect.

CN224339742UActive Publication Date: 2026-06-09SHANGHAI YUTONG PIPELINE ENG TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI YUTONG PIPELINE ENG TECH CO LTD
Filing Date
2025-06-10
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Traditional water-blocking balls require additional equipment for inflation, resulting in slow expansion and reduced installation efficiency.

Method used

A rapid water-blocking balloon structure was designed, comprising an air supply cylinder, an expansion balloon, a limiting slide rod, and a push plate. Through the cooperation of the limiting slide rod and the push plate, gas is rapidly introduced into the expansion balloon. The limiting structure of the control pressure plate and the vertical plate block ensures that the gas does not leak, thus achieving rapid expansion and blockage.

Benefits of technology

It achieves rapid expansion and effective blocking of the water-blocking ball, improves installation efficiency, prevents gas leakage, and ensures water-blocking effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224339742U_ABST
Patent Text Reader

Abstract

This application discloses a rapid water-blocking ball for a water tightness test, comprising an air supply cylinder, an expansion bladder fixedly connected to the bottom end of the air supply cylinder, a limiting sliding hole formed on the upper surface of the air supply cylinder, a limiting sliding rod slidably installed on the inner wall of the limiting sliding hole, a control pressure plate rotatably mounted on the top end of the limiting sliding rod via a bearing, and a push plate fixedly installed on the bottom end of the limiting sliding rod. This device, through the cooperation of the limiting sliding rod and the push plate, allows the push plate to push the piston plate downwards, using the piston plate to allow gas from inside the air supply cylinder to enter the expansion bladder, thereby causing the expansion bladder to expand rapidly and block the pipeline. Furthermore, through the cooperation of the control pressure plate, the vertical plate, and the locking block, it can enter the interior of two arc-shaped plates, allowing the locking block to contact the arc-shaped plates and limit the control pressure plate and the limiting sliding rod, preventing gas leakage and ensuring that the water-blocking ball effectively blocks the pipeline.
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Description

Technical Field

[0001] This application relates to the field of water tightness testing technology, and in particular to a quick-closing ball for water tightness testing. Background Technology

[0002] Water tightness test is a commonly used method for testing water tightness in building engineering. It is mainly used to detect whether there is a risk of water leakage in underground engineering, foundation, floor slab, roof and other building structures. Through this test, it is possible to effectively determine whether the waterproof effect of the structure meets the standards, so as to ensure the waterproof performance of the building and avoid future water leakage or seepage problems. Water-blocking balls are used when conducting water tightness tests on pipes.

[0003] While current water-blocking balls can perform water tightness tests on pipelines, they still have some shortcomings in actual use. For example, traditional water-blocking balls are inflated using air valves, but other equipment is needed when inflating them, making it difficult for the water-blocking ball to expand quickly and reducing the installation efficiency.

[0004] To address this issue, we propose a rapid water-blocking ball for water tightness testing. Utility Model Content

[0005] The purpose of this application is to provide a rapid water-blocking ball for water tightness testing to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A rapid water-blocking ball for a water tightness test includes an air supply cylinder. An expansion bladder is fixedly connected to the bottom end of the air supply cylinder. A limiting sliding hole is formed on the upper surface of the air supply cylinder. A limiting sliding rod is slidably installed on the inner wall of the limiting sliding hole. A control pressure plate is rotatably installed on the top end of the limiting sliding rod via a bearing. A push plate is fixedly installed on the bottom end of the limiting sliding rod and is slidably installed with the air supply cylinder. A sealing plug is fixedly installed on the bottom end of the push plate and is slidably installed with the air supply cylinder. Two arc-shaped plates are fixedly installed on the outer surface of the air supply cylinder. Two upright plates are fixedly installed on the bottom surface of the control pressure plate. A locking block is fixedly installed on the side of each of the two upright plates that is far apart from each other.

[0008] In a further embodiment, a connecting ring is fixedly installed on the outer surface of the air supply cylinder, and the inner wall of the connecting ring is fixedly installed on the outer surface of the expansion bladder.

[0009] In a further embodiment, anti-slip pads are provided at both the front and rear of the air supply cylinder, and the sides of the two anti-slip pads that are close to each other are fixedly installed on the outer surface of the air supply cylinder.

[0010] In a further embodiment, a set of pressure relief holes are provided on the upper surface of the air supply cylinder, and the pressure relief holes are arranged in a ring at equal intervals.

[0011] In a further embodiment, a connecting seat is fixedly installed on the outer surface of the limiting slide rod, and the bottom surface of the connecting seat is fixedly installed on the upper surface of the push plate.

[0012] In a further embodiment, a positioning ring is fixedly installed on the inner wall of the air supply cylinder, and the positioning ring is located below the sealing plug.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This application utilizes a limiting slide bar and a push plate to allow the push plate to move the piston plate downwards. The piston plate allows gas from inside the air supply cylinder to enter the expansion balloon, causing the balloon to expand rapidly and block the pipeline. Furthermore, the control pressure plate, vertical plate, and locking block work together to access the two arc-shaped plates, allowing the locking block to contact the arc-shaped plates and limit the control pressure plate and limiting slide bar, preventing gas leakage and ensuring the blocking balloon effectively blocks the pipeline. Attached Figure Description

[0015] Figure 1 A three-dimensional structural diagram of a rapid water-blocking ball used in a water tightness test.

[0016] Figure 2 This is a top view of the three-dimensional structure of the rapid water-blocking ball used in the water tightness test.

[0017] Figure 3 This is a three-dimensional structural schematic diagram of a cross-section of a rapid water-blocking ball used in a water tightness test.

[0018] Figure 4 This is a schematic diagram of the disassembled structure of a rapid water-blocking ball used in a water tightness test.

[0019] In the diagram: 1. Air supply cylinder body; 2. Anti-slip pad; 3. Connecting ring; 4. Inflation balloon; 5. Arc plate; 6. Limiting slide rod; 7. Locking block; 8. Control pressure plate; 9. Vertical plate; 10. Pressure relief hole; 11. Positioning ring; 12. Sealing plug; 13. Connecting seat; 14. Push plate; 15. Limiting slide hole. Detailed Implementation

[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] 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.

[0022] Please see Figure 1-4 In this utility model, a quick-closing water ball for water tightness testing includes an air supply cylinder 1. A set of pressure relief holes 10 are provided on the upper surface of the air supply cylinder 1. The pressure relief holes 10 are arranged in a ring at equal intervals. By providing pressure relief holes 10, the gas inside the air supply cylinder 1 can be quickly restored. Anti-slip pads 2 are provided at the front and rear of the air supply cylinder 1. The sides of the two anti-slip pads 2 that are close to each other are fixedly installed on the outer surface of the air supply cylinder 1. The anti-slip pads 2 can increase the friction of the surface of the air supply cylinder 1 and prevent the device from slipping during use.

[0023] An expansion balloon 4 is fixedly connected to the bottom end of the air supply cylinder 1. A connecting ring 3 is fixedly installed on the outer surface of the air supply cylinder 1. The inner wall of the connecting ring 3 is fixedly installed with the outer surface of the expansion balloon 4. The connecting ring 3 can reinforce the expansion balloon 4 and effectively prevent the expansion balloon 4 from colliding with the air supply cylinder 1. A limiting sliding hole 15 is opened on the upper surface of the air supply cylinder 1. A limiting sliding rod 6 is slidably installed on the inner wall of the limiting sliding hole 15. A connecting seat 13 is fixedly installed on the outer surface of the limiting sliding rod 6. The bottom surface of the connecting seat 13 is fixedly installed with the upper surface of the push plate 14. The connecting seat 13 can reinforce the push plate 14 and effectively prevent the push plate 14 from remaining stable.

[0024] A control pressure plate 8 is rotatably mounted on the top of the limiting slide rod 6 via a bearing. A push plate 14 is fixedly mounted on the bottom of the limiting slide rod 6. The push plate 14 is slidably mounted with the air supply cylinder 1. A sealing plug 12 is fixedly mounted on the bottom of the push plate 14. The sealing plug 12 is slidably mounted with the air supply cylinder 1. A positioning ring 11 is fixedly mounted on the inner wall of the air supply cylinder 1. The positioning ring 11 is located below the sealing plug 12. The positioning ring 11 can limit the sealing plug 12, effectively preventing the sealing plug 12 from entering the interior of the expansion balloon 4. Two arc-shaped plates 5 are fixedly mounted on the outer surface of the air supply cylinder 1. Two upright plates 9 are fixedly mounted on the bottom surface of the control pressure plate 8. A locking block 7 is fixedly mounted on the side of the two upright plates 9 that are far apart from each other.

[0025] The working principle of this application is:

[0026] In use, the expansion balloon 4 of the device is first inserted into the pipeline. Then, the control plate 8 is pushed, which moves the limiting slide rod 6. The limiting slide rod 6 moves along the direction of the limiting slide hole 15, which in turn pushes the push plate 14 downward. As the push plate 14 pushes the sealing plug 12 downward, the sealing plug 12 moves downward along the air supply cylinder 1, allowing the gas inside the air supply cylinder 1 to flow downward and enter the interior of the expansion balloon 4. This causes the expansion balloon 4 to begin to expand and fit against the pipeline. At the same time, as the control plate 8 moves, it moves between the two arc-shaped plates 5. Then, the control plate 8 is rotated, causing the vertical plate 9 and the locking block 7 to rotate. The locking block 7 contacts the arc-shaped plate 5, thus positioning the control plate 8 through the vertical plate 9. This allows the device to block water inside the pipeline.

[0027] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A rapid water-blocking ball for a water tightness test, characterized in that: The device includes an air supply cylinder (1), with an expansion balloon (4) fixedly connected to the bottom end of the air supply cylinder (1). A limit sliding hole (15) is opened on the upper surface of the air supply cylinder (1). A limit sliding rod (6) is slidably installed on the inner wall of the limit sliding hole (15). A control pressure plate (8) is rotatably installed on the top end of the limit sliding rod (6) through a bearing. A push plate (14) is fixedly installed on the bottom end of the limit sliding rod (6). The push plate (14) is slidably installed with the air supply cylinder (1). A sealing plug (12) is fixedly installed on the bottom end of the push plate (14). The sealing plug (12) is slidably installed with the air supply cylinder (1). Two arc-shaped plates (5) are fixedly installed on the outer surface of the air supply cylinder (1). Two upright plates (9) are fixedly installed on the bottom surface of the control pressure plate (8). A locking block (7) is fixedly installed on the side of the two upright plates (9) that are far apart from each other.

2. The rapid water-blocking ball for water tightness testing according to claim 1, characterized in that: A connecting ring (3) is fixedly installed on the outer surface of the air supply cylinder (1), and the inner wall of the connecting ring (3) is fixedly installed on the outer surface of the expansion balloon (4).

3. The rapid water-blocking ball for water tightness testing according to claim 1, characterized in that: Anti-slip pads (2) are provided at the front and rear of the air supply cylinder (1), and the two anti-slip pads (2) are fixedly installed on the outer surface of the air supply cylinder (1) on the side that is close to each other.

4. The rapid water-blocking ball for water tightness testing according to claim 1, characterized in that: The upper surface of the air supply cylinder (1) is provided with a set of pressure relief holes (10), which are arranged in a ring at equal intervals.

5. The rapid water-blocking ball for water tightness testing according to claim 1, characterized in that: A connecting seat (13) is fixedly installed on the outer surface of the limiting slide bar (6), and the bottom surface of the connecting seat (13) is fixedly installed on the upper surface of the push plate (14).

6. The rapid water-blocking ball for water tightness testing according to claim 1, characterized in that: A positioning ring (11) is fixedly installed on the inner wall of the air supply cylinder (1), and the positioning ring (11) is located below the sealing plug (12).