Water pressure airtight detection device
By designing a water pressure tightness testing device, which uses an airbag to pressurize and conduct water pressure tests, the problem of low testing efficiency in existing technologies has been solved, achieving efficient water tightness testing and saving manpower and resources.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI TRAFFIC CONSTR GENERAL CONTRACTING CO LTD
- Filing Date
- 2025-07-10
- Publication Date
- 2026-05-15
AI Technical Summary
Existing technologies require extensive water injection and drainage when testing the water tightness of concrete structures, metal structures, and pipes, resulting in a waste of manpower and financial resources. Furthermore, if repairs fail, the process must be repeated, leading to low efficiency.
A water pressure sealing test device was designed, including an L-shaped test shell, an air bladder, an air pipe and a water pipe connector. The water pressure test is carried out by pressurizing the air bladder to directly test the sealing performance of the components, avoiding large-scale full-water tests.
It enables local water tightness testing, reduces repetitive operations, improves testing efficiency, and saves manpower and resources. It is suitable for testing local construction details and after repairs.
Smart Images

Figure CN224247218U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a water pressure tightness detection device. Background Technology
[0002] Currently, quality control for various concrete structures, pipes, water tanks, etc., and for metal structures mainly involves flaw detection, while for various pipes and water-filled structures, full-water tests and pressure tests are mainly used for final inspection.
[0003] For large structures, testing at localized welded areas requires injecting large amounts of water before testing. If a problem occurs, the water must be drained, repaired, and then the water injected again for testing. There is a possibility that the repairs may fail again, requiring further water injection and drainage. The entire process is extremely resource-intensive and expensive.
[0004] Therefore, a water pressure tightness detection device is proposed to address the above problems. Utility Model Content
[0005] The purpose of this invention is to overcome the existing defects and provide a water pressure tightness testing device, which facilitates the testing of water tightness in concrete, metal structures, and some pipelines.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a water pressure sealing detection device, comprising a detection housing, the detection housing being L-shaped, one end of the detection housing being a device interface, and the other end being connected to an air pipe connector and a water pipe connector; an air bladder is disposed inside the detection housing, the air bladder being connected to the air pipe connector; the device interface is provided with an internal thread and is connected to a device connector.
[0007] Preferably, the end of the detection housing is provided with two threaded holes, and the air pipe connector and the water pipe connector are connected in the threaded holes.
[0008] Preferably, reaction rings are connected to both sides of the detection housing outside the device interface.
[0009] Preferably, a sealing ring is provided at the interface of the device.
[0010] Preferably, the detection housing is made of iron.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: This water pressure sealing test device sets one end of the test housing as the device interface, and the other end is connected to an air pipe connector and a water pipe connector; an air bladder is set inside the test housing, and the air bladder is connected to the air pipe connector; the device interface is connected to the part whose sealing performance needs to be tested through the device connector, water is injected into the inside through the water pipe connector and sealed, and then the air bladder is inflated through the air pipe connector using an inflation device, which pressurizes the water in the device through the air bladder, so that a water pressure test can be carried out to test the sealing performance of the components, which is convenient to use. Attached Figure Description
[0012] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0013] Figure 1 This is a schematic diagram of the water pressure sealing detection device of this utility model;
[0014] Figure 2 This is a schematic diagram showing the disassembled water pressure sealing detection device of this utility model;
[0015] Figure 3 This is a cross-sectional view of the water pressure sealing detection device of this utility model.
[0016] In the diagram: 1. Detection housing; 2. Device interface; 3. Air pipe connector; 4. Water pipe connector; 5. Airbag; 6. Internal thread; 7. Device connector; 8. Threaded hole; 9. Reaction ring; 10. Sealing ring. Detailed Implementation
[0017] 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.
[0018] Please see Figure 1-3 A water pressure sealing detection device includes a detection housing 1, which is L-shaped. One end of the detection housing 1 is a device interface 2, and the other end is connected to an air pipe connector 3 and a water pipe connector 4. An air bladder 5 is installed inside the detection housing 1 and is connected to the air pipe connector 3. The device interface 2 is provided with an internal thread 6 and is connected to a device connector 7.
[0019] Specifically, by setting the internal thread 6, different interface ends can be selected to fit the pipe that needs to be tested.
[0020] Specifically, two threaded holes 8 are provided at the ends of the detection housing 1, and the air pipe connector 3 and the water pipe connector 4 are connected to the threaded holes 8. The air pipe connector 3 is a one-way valve.
[0021] Specifically, reaction rings 9 are connected to both sides of the detection housing 1 outside the device interface 2. The reaction rings are set on both sides and can be fixed to the surface of the metal interface by bolts or by steel wire or other tie clamps to the surface of the pipe.
[0022] Specifically, a sealing ring 10 is provided at device interface 2. This ensures a secure seal for the user.
[0023] Specifically, the housing 1 is made of iron. In special cases, it can be welded to the part that needs to be tested, and then cut and polished after the test is completed.
[0024] In use, the device interface 2 of the test housing 1 is connected to the part whose airtightness needs to be tested through the device connector 7. Water is injected into the inside through the water pipe connector 4 and sealed. Then, the air inflator is used to inflate the airbag through the air pipe connector 3. The airbag pressurizes the water in the equipment and performs a water pressure test to test the airtightness of the components.
[0025] This water pressure tightness testing device can perform water tightness testing on local construction details before the full water test and water pressure test, and appropriately rule out quality problems. It can also be used for testing after repairing local leakage points found in the full water test, avoiding the need to repeat large-scale full water tests.
[0026] This water pressure sealing test device has a test housing 1 with one end as the device interface 2 and the other end connected to an air pipe connector 3 and a water pipe connector 4. An air bladder 5 is installed inside the test housing 1 and is connected to the air pipe connector 3. The device interface 2 is connected to the part whose sealing needs to be tested through the device connector 7. Water is injected into the inside through the water pipe connector 4 and sealed. Then, an inflation device is used to inflate the air bladder through the air pipe connector 3, pressurizing the water inside the device to conduct a water pressure test and test the sealing of the components. It is easy to use.
[0027] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A water pressure tightness detection device, characterized in that, The device includes a detection housing (1), which is L-shaped. One end of the detection housing (1) is a device interface (2), and the other end is connected to an air pipe connector (3) and a water pipe connector (4). An air bladder (5) is installed inside the detection housing (1), and the air bladder (5) is connected to the air pipe connector (3). The device interface (2) has an internal thread (6) and is connected to a device connector (7).
2. The water pressure tightness detection device according to claim 1, characterized in that, The end of the detection housing (1) is provided with two threaded holes (8), and the air pipe connector (3) and the water pipe connector (4) are connected in the threaded holes (8).
3. The water pressure sealing detection device according to claim 1, characterized in that, Reaction rings (9) are connected to both sides of the detection housing (1) outside the device interface (2).
4. The water pressure tightness detection device according to claim 1, characterized in that, A sealing ring (10) is provided at the device interface (2).
5. The water pressure tightness detection device according to claim 1, characterized in that, The detection housing (1) is made of iron.