Spraying system pipeline pressure maintaining device
By combining compression fittings, plugs, and ball valves, the problem of leakage in the sprinkler system pipeline under high water pressure was solved, achieving stable sealing and efficient pressure holding tests.
Patent Information
- Application Number
- CN202520426389.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Existing spray system pipeline pressure-holding devices are prone to leakage under high water pressure of up to 300 bar, failing to meet the sealing test requirements.
The system employs a combination design of compression fittings, plugs, and ball valves for sealing. Water pressure is controlled by the ball valve and monitored using a pressure gauge. The combination of compression fittings and plugs ensures a tight seal.
It achieves stability and sealing performance of the pressure holding device under high water pressure, adapts to high water pressure sealing tests of 300 bar, and is easy and quick to install.
Smart Images
Figure CN223690883U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipeline test technical field especially relates to a spraying system pipeline pressure maintaining device. BACKGROUND
[0002] Spraying system pipeline is a series of pipelines and connecting components that constitute a spraying system. These pipelines are responsible for delivering water sources to spraying devices (such as sprinklers) to achieve specific spraying functions. Specifically, spraying system pipelines are usually composed of water supply pipelines, branch pipelines, control valves, water flow indicators, signal butterfly valves, etc. They work together to ensure that water sources can be accurately and efficiently delivered to each sprinkler. When the spraying system is working, water sources are pressurized through the pipeline and delivered to the sprinkler, which then atomizes or sprays water to the designated area to achieve the purpose of fire extinguishing, temperature reduction, dust reduction, etc. Spraying system pipelines are a crucial component of the spraying system, and their design and installation quality directly affect the performance and effectiveness of the spraying system.
[0003] In the fire protection system, the spraying system pipeline is a crucial component, and its sealing performance is directly related to the fire protection effect and safety guarantee. For such pipelines, they usually need to withstand high water pressure of up to 300 bar to ensure stable and efficient spraying fire extinguishing function when a fire occurs. Currently, the widely used pressure maintaining device on the market is mainly designed for 20 bar pressure test environment. Its components, such as hoses and related connectors, can only maintain normal working state under 20 bar pressure. Once the pressure exceeds this range, especially when facing the 300 bar high water pressure required by the spraying system pipeline, the connector of the pressure maintaining device is prone to leakage. This leakage problem seriously affects the function realization of the pressure maintaining device, making it unable to meet the demand for high-pressure sealing test of the spraying system pipeline. Therefore, the utility model provides a spraying system pipeline pressure maintaining device to solve the problems in the prior art. SUMMARY
[0004] To solve the above problems, the utility model provides a spraying system pipeline pressure maintaining device. The spraying system pipeline pressure maintaining device combines the effects of sleeve straight-through connector connection, plug, and ball valve closure, improving the stability of pressure maintaining test and realizing the sealing of the pressure maintaining device under high water pressure.
[0005] To achieve the purpose of the utility model, the utility model realizes the following technical scheme: a spraying system pipeline pressure maintaining device, comprising a high-pressure pipeline and a pressure maintaining pipeline, one end of the high-pressure pipeline is connected with a pressure test assembly, and the other end of the high-pressure pipeline is connected with a ball valve, one end of the ball valve is connected with a pressure measuring tee joint.
[0006] One end of the pressure maintaining pipeline is connected with the pressure measuring tee joint through the sleeve type straight-through joint, and the other end of the pressure maintaining pipeline is connected with the plug through the sleeve type straight-through joint.
[0007] Further improvement lies in that the pressure testing assembly comprises a water tank and a pressure testing pump, the input end of the pressure testing pump is connected with the water tank, and the output end of the pressure testing pump is connected with the high-pressure pipeline.
[0008] Further improvement lies in that the interface at the upper end of the pressure measuring tee joint is connected with a connecting pipe, and the pressure gauge is connected on the connecting pipe.
[0009] Further improvement lies in that the sleeve type straight-through joint comprises a joint and a nut, the joint is arranged on the pressure measuring tee joint and the plug, and the nut is threadedly matched with the joint.
[0010] Further improvement lies in that the pressure maintaining pipeline is inserted into the interior of the joint through the nut, and a clasp ring and a sleeve are arranged between the nut and the joint, and the clasp ring and the sleeve are both arranged on the outer side of the pressure maintaining pipeline.
[0011] Further improvement lies in that the outer side of the sleeve is an outward inclined angle, one end of the inner side of the joint is an inward inclined angle, the outward inclined angle is matched with the inward inclined angle, the clasp ring is used for extruding the sleeve, and the sleeve is used for clamping and fastening the pressure maintaining pipeline.
[0012] The utility model discloses beneficial effects are:
[0013] 1, the utility model discloses a water pressure is passed through high -pressure pipeline and is delivered to the pressure maintaining pipeline, and the ball valve and the pressure measuring tee joint are set up in the high -pressure pipeline and the pressure maintaining pipeline, when water pressure reaches the required numerical value, can pass through the closing ball valve to keep the water pressure in the pressure maintaining pipeline, and the pressure gauge is continuously detected pipeline pressure, and the pressure maintaining pipeline both ends are connected with the pressure measuring tee joint and the plug through the sleeve type straight-through joint, and the plug is used for plugging the pressure maintaining pipeline, thereby, the effect of sleeve type straight-through joint connection, plug and ball valve closure is comprehensively improved, the stability of pressure maintaining test is improved, and the sealing of pressure maintaining device under high water pressure is realized.
[0014] 2, the utility model discloses in the process of installing the sleeve type straight-through joint, and the pressure maintaining pipeline is inserted into the interior of the joint through the nut, and the nut and the joint are screwed through the thread effect, and the clasp ring extrudes the sleeve, and the sleeve is clamped and fastened the pressure maintaining pipeline through the outward inclined angle and is clamped into the inward inclined angle deformation seal, guarantee the sealing performance of connection, and installation is convenient and fast. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the front view of the utility model;
[0016] Figure 2The utility model discloses a pressure measuring tee joint connection position schematic drawing.
[0017] Figure 3 The utility model discloses a plug connection position schematic drawing.
[0018] Figure 4 The utility model discloses a sleeve type straight through connector schematic drawing.
[0019] Among them: 1, high pressure pipeline, 2, pressure maintaining pipeline, 3, ball valve, 4, pressure measuring tee joint, 5, plug, 6, pressure gauge, 7, water tank, 8, pressure test pump, 9, connecting pipe, 10, joint, 11, nut, 12, snap ring, 13, sleeve. Specific implementation
[0020] In order to deepen the understanding of the utility model, the utility model will be further described below in conjunction with examples, and the present embodiment is only used to explain the utility model and does not constitute the limitation to the protection scope of the utility model. Example one
[0021] According to Figure 1 、 2 , 3, 4 shows, the utility model provides a kind of pressure maintaining device for spraying system pipeline, including high pressure pipeline 1 and pressure maintaining pipeline 2, one end of the high pressure pipeline 1 connects pressure test component, and another end of high pressure pipeline 1 is connected with ball valve 3, one end of the ball valve 3 is connected with pressure measuring tee joint 4;
[0022] One end of the pressure maintaining pipeline 2 is connected with pressure measuring tee joint 4 by sleeve type straight through connector, and another end of pressure maintaining pipeline 2 is connected with plug 5 by sleeve type straight through connector, and pressure gauge 6 is equipped on pressure measuring tee joint 4.When using, water pressure is transmitted to pressure maintaining pipeline 2 by high pressure pipeline 1, ball valve 3 and pressure measuring tee joint 4 are arranged between high pressure pipeline 1 and pressure maintaining pipeline 2, when water pressure reaches the required value, the water pressure in pressure maintaining pipeline 2 can be maintained by closing ball valve 3, and pipeline pressure is continuously detected by pressure gauge 6, pressure maintaining pipeline 2 is connected with pressure measuring tee joint 4 and plug 5 by sleeve type straight through connector, and plug 5 is used to block pressure maintaining pipeline 2, thereby, the stability of pressure maintaining test is improved by the effect of sleeve type straight through connector connection, plug 5 and ball valve 3 closure, the sealing of pressure maintaining device under high water pressure is realized, and through verification, the required 300bar high water pressure sealing test of adaptive pipeline is realized.
[0023] The pressure testing assembly comprises a water tank 7 and a pressure testing pump 8, the input end of the pressure testing pump 8 is connected to the water tank 7, and the output end of the pressure testing pump 8 is connected to the high-pressure pipeline 1. The interface at the upper end of the pressure measuring tee joint 4 is connected with a connecting pipe 9, and the pressure gauge 6 is connected to the connecting pipe 9. In use, the water in the water tank 7 is transmitted to the pressure maintaining pipeline 2 through the water pressure of the pressure testing pump 8, and the ball valve 3 and the pressure measuring tee joint 4 are arranged between the high-pressure pipeline 1 and the pressure maintaining pipeline 2. When the water pressure reaches the required value, the pressure maintaining pipeline 2 can be maintained by closing the ball valve 3, and the pipeline pressure can be continuously detected by the pressure gauge 6. Embodiment two
[0024] According to Figure 1 , 2 , 3, 4, the embodiment provides a pressure maintaining device for a spray system pipeline, which comprises a high-pressure pipeline 1 and a pressure maintaining pipeline 2, one end of the high-pressure pipeline 1 is connected to a pressure testing assembly, and the other end of the high-pressure pipeline 1 is connected with a ball valve 3, one end of the ball valve 3 is connected with a pressure measuring tee joint 4.
[0025] One end of the pressure maintaining pipeline 2 is connected to the pressure measuring tee joint 4 through a sleeve straight-through joint, and the other end of the pressure maintaining pipeline 2 is connected with a plug 5 through a sleeve straight-through joint, and the pressure measuring tee joint 4 is provided with a pressure gauge 6. In use, the water pressure is transmitted to the pressure maintaining pipeline 2 through the high-pressure pipeline 1, and the ball valve 3 and the pressure measuring tee joint 4 are arranged between the high-pressure pipeline 1 and the pressure maintaining pipeline 2. When the water pressure reaches the required value, the pressure maintaining pipeline 2 can be maintained by closing the ball valve 3, and the pipeline pressure can be continuously detected by the pressure gauge 6, the pressure maintaining pipeline 2 is connected to the pressure measuring tee joint 4 and the plug 5 through the sleeve straight-through joint, and the plug 5 is used to block the pressure maintaining pipeline 2. Therefore, the stability of the pressure maintaining test is improved by the effects of the sleeve straight-through joint connection, the plug 5 and the ball valve 3, the sealing of the pressure maintaining device under high water pressure is realized, and the sealing test of 300 bar high water pressure required by the pipeline is verified.
[0026] The sleeve type straight-through joint comprises a joint 10 arranged on the pressure measuring tee joint 4 and the plug 5, and a nut 11 threadedly matched with the joint 10. The pressure maintaining pipeline 2 is inserted into the interior of the joint 10 through the nut 11, and the nut 11 and the joint 10 are provided with a clasp 12 and a sleeve 13, both of which are arranged outside the pressure maintaining pipeline 2. The outer side of the sleeve 13 is provided with an outward inclined angle, and one end of the inner side of the joint 10 is provided with an inward inclined angle, the outward inclined angle is matched with the inward inclined angle, the clasp 12 is used to press the sleeve 13, and the sleeve 13 is used to clamp and fasten the pressure maintaining pipeline 2. In use, during the installation of the sleeve type straight-through joint, the pressure maintaining pipeline 2 is inserted into the interior of the joint 10 through the nut 11, the nut 11 and the joint 10 are screwed through the thread effect, the clasp 12 is pressed against the sleeve 13, the sleeve 13 is clamped into the inward inclined angle through the outward inclined angle to realize the deformation sealing, and the pressure maintaining pipeline 2 is clamped and fastened, so that the sealing performance of the connection is ensured.
[0027] The spray system pipeline pressure maintaining device transmits the water pressure to the pressure maintaining pipeline 2 through the high pressure pipeline 1 through the pressure testing assembly, the ball valve 3 and the pressure measuring tee joint 4 are arranged between the high pressure pipeline 1 and the pressure maintaining pipeline 2, the water pressure is maintained in the pressure maintaining pipeline 2 by closing the ball valve 3 when the water pressure reaches the required value, the pipeline pressure is continuously detected through the pressure gauge 6, the pressure maintaining pipeline 2 is connected with the pressure measuring tee joint 4 and the plug 5 through the sleeve type straight-through joint, and the plug 5 is used to block the pressure maintaining pipeline 2. Therefore, the stability of the pressure maintaining test is improved, and the sealing of the pressure maintaining device under high water pressure is realized. In the installation process of the sleeve type straight-through joint, the pressure maintaining pipeline 2 is inserted into the interior of the joint 10 through the nut 11, the nut 11 and the joint 10 are screwed through the thread effect, the clasp 12 is pressed against the sleeve 13, the sleeve 13 is clamped into the inward inclined angle through the outward inclined angle to realize the deformation sealing, and the pressure maintaining pipeline 2 is clamped and fastened, so that the sealing performance of the connection is ensured, and the installation is convenient and fast.
[0028] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and the description in the specification only illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A pressure maintaining device for a pipe of a sprinkler system, comprising a high-pressure pipe (1) and a pressure maintaining pipe (2), characterized in that: One end of the high-pressure pipeline (1) is connected with a pressure test assembly, and the other end of the high-pressure pipeline (1) is connected with a ball valve (3), one end of the ball valve (3) is connected with a pressure measuring tee joint (4); One end of the pressure maintaining pipeline (2) is connected with the pressure measuring tee joint (4) through a straight-through joint with a clamping sleeve, and the other end of the pressure maintaining pipeline (2) is connected with a plug (5) through a straight-through joint with a clamping sleeve, and a pressure gauge (6) is arranged on the pressure measuring tee joint (4).
2. The device according to claim 1, wherein: The pressure test assembly comprises a water tank (7) and a pressure test pump (8), the input end of the pressure test pump (8) is connected with the water tank (7), and the output end of the pressure test pump (8) is connected with the high-pressure pipeline (1).
3. The device according to claim 1, wherein: A connecting pipe (9) is connected to the interface at the upper end of the pressure measuring tee joint (4), and the pressure gauge (6) is connected to the connecting pipe (9).
4. The device according to claim 1, wherein: The straight-through joint with a clamping sleeve comprises a joint (10) and a nut (11), the joint (10) is arranged on the pressure measuring tee joint (4) and the plug (5), and the nut (11) is threadedly matched with the joint (10).
5. A device for maintaining pressure in a pipe of a sprinkler system according to claim 4, characterized in that: The pressure maintaining pipeline (2) is inserted into the inside of the joint (10) through the nut (11), and a clamping ring (12) and a clamping sleeve (13) are arranged between the nut (11) and the joint (10), and the clamping ring (12) and the clamping sleeve (13) are both arranged on the outside of the pressure maintaining pipeline (2).
6. A device for maintaining pressure in a pipe of a sprinkler system according to claim 5, characterized in that: The outside of the clamping sleeve (13) is an outward inclined angle, one end of the inside of the joint (10) is an inward inclined angle, the outward inclined angle is matched with the inward inclined angle, the clamping ring (12) is used for extruding the clamping sleeve (13), and the clamping sleeve (13) is used for clamping and fastening the pressure maintaining pipeline (2).