Integrated tail end water testing device

Abstract

The utility model relates to the technical field of fire-fighting equipment, and discloses an integrated tail end water testing device which comprises a water testing pipe, one side of the outer ring of the water testing pipe is fixedly connected with a fixing plate, the middle of one side of the fixing plate penetrates through and is fixedly connected with a spraying pipe, and the middle of the inner wall of the water testing pipe is fixedly connected with a limiting block. The top of the limiting block is slidably connected with a piston, the top of the piston penetrates through and is fixedly connected with a threaded sleeve, the top of the inner wall of the water testing pipe is fixedly connected with a pressure sensor, the bottom of the pressure sensor is fixedly connected with a spring, and the bottom of the spring is fixedly connected with the piston. According to the utility model, through the cooperation of the limiting block, the piston, the threaded sleeve, the threaded rod, the spring, the pressure sensor, the driving chain wheel, the chain, the driven chain wheel, the rotating rod and the hollow ball, when the pressure exceeds a predicted value, the piston drives related parts to move, and finally the rotating rod and the hollow ball rotate, so that the water flow can be adjusted, and different test requirements are met.

Description

Technical Field

[0001] This utility model relates to the field of fire-fighting equipment technology, specifically an integrated end-point testing device. Background Technology

[0002] The end-of-line test device is installed at the most unfavorable sprinkler head point of an automatic sprinkler system. It is used to verify whether the system at that point meets design requirements for water pressure, flow rate, and sprinkler head operation. It mainly consists of a test valve, pressure gauge, and test connector (including the sprinkler head). During system commissioning, acceptance testing, and routine maintenance, the test valve is opened to simulate sprinkler head operation, allowing for direct observation of system startup, alarms, pressure changes, and water flow. This enables timely detection and repair of system problems, ensuring the automatic sprinkler system operates reliably and effectively in the event of a fire.

[0003] In existing technologies, one way to regulate and observe the water flow of an integrated end-point testing device is to install a regulating valve on the device's pipeline. By rotating the valve's knob, the valve opening is changed, thereby adjusting the water flow. Simultaneously, a glass rotor flowmeter is installed at a suitable location on the pipeline. As water flows through the flowmeter, the rotor rises to the corresponding scale under the impact of the water flow. By reading the rotor's position on the scale, the current water flow value can be visually observed.

[0004] Adjusting water flow by rotating the control valve knob may not be precise enough to achieve accurate flow control, and it cannot meet the requirements of some test scenarios with stringent water flow requirements. This method can only achieve simple adjustment and basic observation of water flow, and it cannot correlate water flow adjustment with other parameters such as system pressure changes, as the integrated end-point test device mentioned above can. It cannot fully reflect the working status of the system and cannot efficiently adjust the water flow. To address the above problems, an integrated end-point test device is proposed. Utility Model Content

[0005] The purpose of this invention is to provide an integrated end-point water testing device that solves the problem of inefficient water flow regulation in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an integrated end-point water testing device, comprising a water testing pipe, a fixed plate fixedly connected to one side of the outer ring of the water testing pipe, a spray pipe fixedly connected through and through the middle of one side of the fixed plate, a limit block fixedly connected to the middle of the inner wall of the water testing pipe, a piston slidably connected to the top of the limit block, a threaded sleeve fixedly connected through and through the top of the piston, a pressure sensor fixedly connected to the top of the inner wall of the water testing pipe, a spring fixedly connected to the bottom of the pressure sensor, and the bottom of the spring fixedly connected to the piston, a threaded rod rotatably connected through and through the top of the pressure sensor, a drive sprocket fixedly connected to the top of the threaded rod, a driven sprocket fixedly connected to the top of the fixed plate, a chain provided between the drive sprocket and the driven sprocket, a rotating rod fixedly connected to the bottom of the driven sprocket, a hollow ball fixedly connected to the bottom of the rotating rod, and the hollow ball rotatably connected to the inner wall of the spray pipe, and cleaning components provided at both ends of the fixed plate.

[0007] By adopting the above technical solution, the rotation of the drive sprocket is driven by the chain to rotate synchronously with the driven sprocket. The transmission ratio between the drive sprocket and the driven sprocket is not one to one. When the drive gear rotates one revolution, the driven gear only rotates a certain angle.

[0008] As a further description of the above technical solution: the cleaning component includes two racks, both ends of which are slidably connected to the inner wall of the fixing plate. A frame is fixedly connected to one side of the rack, a lead screw is rotatably connected to the rear end of the inner wall of the frame, and a slide rod is rotatably connected to the front end of the inner wall of the frame.

[0009] By adopting the above technical solution, the groove in the frame is larger than the nozzle, which makes it easier to wipe the nozzle and prevents dust from accumulating at the nozzle, thus affecting the water test effect.

[0010] As a further description of the above technical solution: the outer ring of the slide rod is slidably connected to a brush plate, and the brush plate is threadedly connected to the outer ring of the lead screw.

[0011] By adopting the above technical solution, the rotation of the lead screw causes one side of the brush plate to rise, while the other side moves along the slide bar.

[0012] As a further description of the above technical solution: a worm gear is rotatably connected through one bottom side of the fixed plate, and a worm wheel is rotatably connected through the middle of the bottom of the inner wall of the fixed plate, and the worm wheel and the worm gear are meshed together.

[0013] By adopting the above technical solution, the rotation of the worm drives the worm wheel to rotate synchronously, and a knob is provided at one end of the worm to facilitate the rotation of the worm.

[0014] As a further description of the above technical solution: a connecting rod is fixedly connected through the inner wall of the worm gear, and gears are fixedly connected to both ends of the connecting rod, and the gears are meshed with the rack.

[0015] By adopting the above technical solution, the rotation of the worm gear drives the first gear to rotate synchronously through the connecting rod.

[0016] As a further description of the above technical solution: a display is fixedly connected to the top of the other side of the outer ring of the test pipe.

[0017] By adopting the above technical solution, the pressure received by the pressure sensor can be easily displayed on the screen.

[0018] As a further description of the above technical solution: a sealing cap is rotatably connected to the other side of the outer ring of the test pipe, and a filter screen is provided on the inner wall of the sealing cap.

[0019] By adopting the above technical solution, the connection between the sealing cap and the test pipe is in a sealed state.

[0020] As a further description of the above technical solution: a nozzle is fixedly connected to one side of the fixing plate.

[0021] By adopting the above technical solution, the water spray test in the fire pipeline can be easily carried out through the nozzle.

[0022] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0023] 1. This utility model provides an integrated end-point water testing device. First, through the cooperation of a limiting block, piston, threaded sleeve, threaded rod, spring, pressure sensor, drive sprocket, chain, driven sprocket, rotating rod, and hollow ball, when the pressure exceeds the expected value, the piston drives the relevant components to move, ultimately causing the rotating rod and hollow ball to rotate. This allows for the adjustment of water flow to meet different testing needs. Utilizing the transmission structure of the sprocket and chain, the water flow can be observed and analyzed more conveniently, providing a reliable basis for the testing and maintenance of fire protection systems.

[0024] 2. The integrated end-point water testing device provided by this utility model achieves comprehensive cleaning of the nozzle through the cooperation of rack, frame, gear, connecting rod, worm gear, worm, lead screw, slide bar, and brush plate. It effectively removes dust and other impurities from the nozzle, preventing them from affecting the accuracy of water flow testing. It avoids the water flow state of the nozzle being affected by dust and other impurities, thereby ensuring the accuracy of water flow test results and making the test data more reliable, providing strong support for the evaluation and maintenance of fire protection systems. Attached Figure Description

[0025] Figure 1 This is a perspective view of the present utility model;

[0026] Figure 2 This is a three-dimensional cross-sectional view of the test tube of this utility model;

[0027] Figure 3 This is a sectional perspective view of the fixing plate of this utility model;

[0028] Figure 4 This is a schematic diagram of the lead screw of this utility model;

[0029] Figure 5 This is a schematic diagram of the threaded sleeve of this utility model.

[0030] Legend:

[0031] 1. Test pipe; 2. Fixing plate; 3. Limiting block; 4. Piston; 5. Threaded sleeve; 6. Threaded rod; 7. Nozzle; 8. Spring; 9. Pressure sensor; 10. Drive sprocket; 11. Chain; 12. Driven sprocket; 13. Rotating rod; 14. Hollow ball; 15. Rack; 16. Frame; 17. Gear; 18. Nozzle; 19. Connecting rod; 20. Worm gear; 21. Worm; 22. Lead screw; 23. Slide rod; 24. Brush plate; 25. Sealing cover; 26. Filter screen; 27. Display. Detailed Implementation

[0032] 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.

[0033] To further understand the contents of this utility model, a detailed description of this utility model will be provided with reference to the accompanying drawings.

[0034] Reference Figure 1 and Figure 3 and Figure 4 This utility model discloses an integrated end-point water testing device, including a water testing pipe 1. A display 27 is fixedly connected to the top of the other side of the outer ring of the water testing pipe 1. The display 27 can provide feedback and display the sensor inside the water testing pipe 1. A sealing cover 25 is rotatably connected through the other side of the outer ring of the water testing pipe 1. The sealing cover 25 is connected to the water testing pipe 1 by bolts. A filter screen 26 is provided on the inner wall of the sealing cover 25. The filter screen 26 can filter the fire water and prevent impurities from accumulating inside the water testing pipe 1. A nozzle 7 is fixedly connected to one side of the fixing plate 2.

[0035] Reference Figure 2 and Figure 3 and Figure 5A fixing plate 2 is fixedly connected to one side of the outer ring of the test pipe 1. A nozzle 18 is fixedly connected through and through the middle of one side of the fixing plate 2, which facilitates the spraying of fire water. Limiting blocks 3 are fixedly connected to the middle of the inner wall of the test pipe 1. A piston 4 is slidably connected to the top of the limiting block 3 to prevent the piston 4 from falling. A threaded sleeve 5 is fixedly connected through and through the top of the piston 4. A pressure sensor 9 is fixedly connected to the top of the inner wall of the test pipe 1. A spring 8 is fixedly connected to the bottom of the pressure sensor 9, and the bottom of the spring 8 is fixedly connected to the piston 4. When the piston 4 moves upward, the spring 8 is compressed. The compression of the spring 8 causes the other end of the spring 8 to squeeze the pressure sensor 9, thereby controlling the pressure of the water flow. Feedback is provided by a threaded rod 6 that is rotatably connected to the top of the pressure sensor 9. The up-and-down movement of the threaded sleeve 5 causes the threaded rod 6 to rotate. A drive sprocket 10 is fixedly connected to the top of the threaded rod 6, and a driven sprocket 12 is fixedly connected to the top of the fixed plate 2. A chain 11 is provided between the drive sprocket 10 and the driven sprocket 12. A rotating rod 13 is fixedly connected to the bottom of the driven sprocket 12, and a hollow ball 14 is fixedly connected to the bottom of the rotating rod 13. The hollow ball 14 is rotatably connected to the inner wall of the nozzle 18. The rotation of the driven sprocket 12 causes the rotating rod 13 to drive the hollow ball 14 to rotate. The hollow ball 14 is the ball inside the ball valve. The rotation of the hollow ball 14 can adjust the water flow. Cleaning components are provided at both ends of the fixed plate 2.

[0036] Reference Figure 3 and Figure 4 The cleaning component includes two racks 15, each rack 15 penetrating and slidably connected to the inner wall of the fixing plate 2 at both ends. A frame 16 is fixedly connected to one side of each rack 15. The movement of the racks 15 causes the frame 16 to slide out. A lead screw 22 is rotatably connected to the rear end of the inner wall of the frame 16. A knob is provided at the top of the lead screw 22, which can be rotated to facilitate the rotation of the lead screw 22. A slide rod 23 is rotatably connected to the front end of the inner wall of the frame 16. A brush plate 24 is slidably connected to the outer ring of the slide rod 23. The other end of the brush plate 24 slides up and down at the slide rod 23, and the slide rod 23 limits the position of the brush plate 24. The outer ring of the lead screw 22 is threaded. A worm 21 is rotatably connected through the bottom of one side of the fixed plate 2. A worm wheel 20 is rotatably connected through the middle of the bottom of the inner wall of the fixed plate 2, and the worm wheel 20 is meshed with the worm 21. A connecting rod 19 is fixedly connected through the inner wall of the worm wheel 20. The rotation of the worm wheel 20 drives the connecting rod 19 to rotate synchronously. Gears 17 are fixedly connected to both ends of the connecting rod 19, and the gears 17 are meshed with the rack 15. The rotation of the gears 17 causes the rack 15 to move. The rack 15 can be limited by the groove opened in the fixed plate 2 to prevent the frame 16 from moving too much.

[0037] Working principle: First, the test water pipe 1 is installed at the fire water pipe. Then, the valve of the fire water pipe is opened, allowing water to flow into the test water pipe 1. As the water flows and impacts the piston 4, and then into the nozzle 18, the piston 4 experiences a greater-than-expected pressure, causing the threaded sleeve 5 to move upwards. This movement of the threaded sleeve 5 causes the threaded rod 6 to rotate. The rotation of the threaded rod 6 drives the drive sprocket 10 to rotate synchronously. Through the chain 11, the driven sprocket 12 rotates synchronously in the same direction. The rotation of the driven sprocket 12 drives the rotating rod 13 and the hollow ball 14 to rotate, thus regulating the water flow. Simultaneously, the rising of the threaded sleeve 5 compresses the spring 8. During compression, the spring 8 exerts pressure... Sensor 9 presses against the nozzle, and the pressure sensor 9 feeds the pressure back to the display 27. The transmission of the sprocket and chain 11 and the display 27 facilitates the observation of water flow. When it is necessary to clean the nozzle 7, the worm gear 21 is rotated, causing the worm wheel 20 to drive the connecting rod 19 to rotate. The rotation of the connecting rod 19 drives the gear 17 to rotate synchronously. Through the meshing between the gear 17 and the rack 15, the rack 15 drives the frame 16 to slide out. The groove of the fixing plate 2 blocks the rack 15 when it reaches its limit position, preventing the rack 15 from moving again. Then, the brush plate 24 is moved up and down by rotating the screw 22, which facilitates the cleaning of the nozzle 7 and prevents dust on the nozzle 7 from affecting the water flow test.

[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0039] 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. An integrated end water testing device comprising a water testing tube (1), characterized in that: A fixing plate (2) is fixedly connected to one side of the outer ring of the test pipe (1). A spray pipe (18) is fixedly connected through the middle of one side of the fixing plate (2). Limiting blocks (3) are fixedly connected to the middle of the inner wall of the test pipe (1). A piston (4) is slidably connected to the top of the limiting block (3). A threaded sleeve (5) is fixedly connected through the top of the piston (4). A pressure sensor (9) is fixedly connected to the top of the inner wall of the test pipe (1). A spring (8) is fixedly connected to the bottom of the pressure sensor (9), and the bottom of the spring (8) is fixedly connected to the piston (4). A threaded rod (6) is rotatably connected through the top of the pressure sensor (9). A drive sprocket (10) is fixedly connected to the top of the threaded rod (6). A driven sprocket (12) is fixedly connected to the top of the fixed plate (2). A chain (11) is provided between the drive sprocket (10) and the driven sprocket (12). A rotating rod (13) is fixedly connected to the bottom of the driven sprocket (12). A hollow ball (14) is fixedly connected to the bottom of the rotating rod (13), and the hollow ball (14) is rotatably connected to the inner wall of the nozzle (18). Cleaning components are provided at both ends of the fixed plate (2).

2. The integrated end water testing device of claim 1, wherein: The cleaning component includes two racks (15), which are slidably connected to the inner wall of the fixing plate (2) at both ends. A frame (16) is fixedly connected to one side of the rack (15), and a lead screw (22) is rotatably connected to the rear end of the inner wall of the frame (16). A slide rod (23) is rotatably connected to the front end of the inner wall of the frame (16).

3. The integrated end water testing device of claim 2, wherein: The outer ring of the slide rod (23) is slidably connected to a brush plate (24), and the brush plate (24) is threadedly connected to the outer ring of the lead screw (22).

4. The integrated end water testing device of claim 2, wherein: A worm (21) is rotatably connected through one bottom side of the fixed plate (2), and a worm wheel (20) is rotatably connected through the middle of the bottom of the inner wall of the fixed plate (2), and the worm wheel (20) and the worm (21) are meshed together.

5. The integrated end water testing device of claim 4, wherein: The inner wall of the worm gear (20) is connected to a connecting rod (19), and both ends of the connecting rod (19) are fixedly connected to gears (17), and the gears (17) are meshed with the rack (15).

6. The integrated end water testing device of claim 1, wherein: A display (27) is fixedly connected to the top of the other side of the outer ring of the test tube (1).

7. The integrated end water testing device of claim 1, wherein: The outer ring of the test tube (1) is connected to a sealing cap (25) that passes through and rotates on the other side. A filter screen (26) is provided on the inner wall of the sealing cap (25).

8. The integrated end water testing device of claim 1, wherein: A nozzle (7) is fixedly connected to one side of the fixing plate (2).

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