Safety pressure regulating valve for high-pressure water mist fire extinguishing device

Abstract

The utility model relates to the technical field of safety pressure regulating valves, in particular to a safety pressure regulating valve for a high-pressure water mist fire extinguishing device, which comprises a valve body, one end of the valve body is communicated and connected with an input pipeline, one side of the valve body is fixedly connected with an automatic pressure regulating structure, and the automatic pressure regulating structure comprises a motor box. One end of the motor box is fixedly connected to one side of the valve body, the top surface of the valve body is fixedly connected with an automatic pressure relief structure, the automatic pressure relief structure comprises a connecting block, and the bottom of the connecting block is fixedly connected to the top surface of the valve body. Through the arrangement of the automatic pressure regulating structure, when a worker regulates the pressure in the valve body according to the requirements of use scenes, an external power supply is connected, the servo motor is started, the servo motor starts to work and drives the transmission rod to rotate, the transmission rod is connected with the regulating sheet, and then the regulating sheet also starts to rotate, so that the pressure in the valve body is regulated. And the water pressure in the valve body is adjusted, so that the effect of automatically adjusting the water pressure in the valve body is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of safety pressure regulating valves, in particular to a safety pressure regulating valve used for a high-pressure fine water mist fire extinguishing device. Background Art

[0002] A safety pressure regulating valve is a device used to control the pressure in a fluid system. Its main function is to ensure that the pressure in the system is always kept within a safe range. This valve is usually used in liquid or gas systems to prevent excessive pressure from causing equipment damage or system failure.

[0003] A safety pressure regulating valve disclosed in the Chinese utility model patent application disclosure CN215673792U includes a valve body, a valve seat is fixedly connected to the left end of the valve body, a water inlet is opened in the middle of the left end of the valve seat, a sealing nut is fixedly connected to the right part of the inner seat wall of the valve seat, a water outlet is opened at the lower part of the outer surface of the valve body, a resistance pad is fixedly connected to the left part of the inner valve wall of the valve body, a valve sealing plug device is movably connected to the middle part of the inner valve wall of the valve body, a spring device is fixedly connected to the right part of the inner valve part of the valve body, and an adjusting device is fixedly connected to the right end of the valve body. The safety pressure regulating valve described in the utility model is provided with a valve sealing plug device and a spring device on the entire device, and a partition plug is provided on the sealing plug body to isolate the high-pressure water from the air, thereby enhancing the sealing effect. By providing the adjusting device on the entire device, the pressure regulating range of the safety pressure regulating valve is effectively provided, the volume is small, the applicability is strong, and the use efficiency of the safety pressure regulating valve is improved.

[0004] However, the device lacks an automatic pressure regulating structure and an automatic pressure relief structure, and it is not easy to automatically regulate the water pressure inside the valve body and to automatically relieve the water pressure inside the valve body during actual use, thereby increasing the probability of safety hazards. Utility Model Content

[0005] The utility model aims to provide a safety pressure regulating valve for a high-pressure fine water mist fire extinguishing device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: it includes a valve body, one end of the valve body is through-connected with an input pipe, the other end of the valve body is through-connected with an output pipe, one end of the input pipe is through-connected with an A flange, one end of the output pipe is through-connected with a B flange, one side of the valve body is fixedly connected with an automatic pressure regulating structure, the automatic pressure regulating structure includes a motor box, one end of the motor box is fixedly connected to one side of the valve body, the top surface of the valve body is fixedly connected with an automatic pressure relief structure, the automatic pressure relief structure includes a connecting block, and the bottom of the connecting block is fixedly connected to the top surface of the valve body.

[0007] Preferably, a pressure gauge is fixedly connected to one end of the top of the valve body, and a rubber layer is fixedly connected to the inside of one end of the input pipe and the output pipe.

[0008] Preferably, two groups of connecting columns are fixedly connected to the bottom of the valve body, and the bottoms of the two groups of connecting columns are fixedly connected to fixing blocks.

[0009] Preferably, the automatic pressure regulating structure also includes a servo motor, the bottom of which is fixedly connected to the inner bottom wall of the motor box, the output end of the servo motor is splined with a transmission rod, one end of the transmission rod is fixedly connected to an adjusting plate, and one end of the adjusting plate is rotatably connected to the interior of the valve body.

[0010] Preferably, the automatic pressure relief structure also includes a rubber ring, both ends of the rubber ring are fixedly connected to the inside of the connecting block, a pressure relief ball is arranged on the top of the rubber ring, a pressure relief plate is fixedly connected to the top of the pressure relief ball, a telescopic spring is fixedly connected to the top of the pressure relief plate, and a pressure relief pipe is fixedly connected to the top of the telescopic spring.

[0011] Preferably, the bottom of the pressure relief pipe is fixedly connected to the top of the connecting block, one end of the pressure relief pipe is fixedly connected to the protection block, the inner top of the protection block is slidably connected to a protection sheet, one layer of the protection sheet is fixedly connected to an expansion sheet, and one end of the protection block is fixedly connected to a drainage pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. This safety pressure regulating valve for high-pressure fine water mist fire extinguishing device has an automatic pressure regulating structure. When the staff adjusts the pressure inside the valve body according to the needs of the use scenario, the external power supply is connected, the servo motor is started, the servo motor starts to work and drives the transmission rod to rotate. Since the transmission rod is connected to the adjusting plate, the adjusting plate also starts to rotate, and the water pressure inside the valve body is adjusted, thereby achieving the effect of automatically adjusting the water pressure inside the valve body.

[0014] 2. This kind of safety pressure regulating valve used in high-pressure fine water mist fire extinguishing device has an automatic pressure relief structure. When the water pressure value inside the valve body exceeds the preset value, the moisture inside the valve body will extend into the connecting block and move upward against the pressure relief ball, the pressure relief plate and the telescopic spring. When it moves to a certain position, the pressure relief plate will contact the expansion plate, and the expansion plate is connected to the protective plate. The pressure relief plate will move upward against the protective plate, and the excessive water flow will flow into the drainage pipe and be discharged to the outside. When the water pressure value returns to a safe value, according to the action of the telescopic spring, the telescopic spring automatically rebounds to the top of the connecting block against the pressure relief ball and the pressure relief plate, so that the pressure relief ball fits the rubber ring, thereby achieving automatic pressure relief and improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall appearance of the utility model;

[0016] Figure 2 This is a schematic diagram of the automatic pressure relief structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the automatic voltage regulation structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the A flange, B flange, input pipeline and output pipeline of the utility model.

[0019] In the figure: 1. valve body; 2. input pipe; 3. output pipe; 4. flange A; 5. flange B; 6. automatic pressure regulating structure; 601. motor box; 602. servo motor; 603. transmission rod; 604. adjusting plate; 7. automatic pressure relief structure; 701. connecting block; 702. rubber ring; 703. pressure relief ball; 704. pressure relief plate; 705. telescopic spring; 706. pressure relief pipe; 707. protection block; 708. protection plate; 709. expansion plate; 7010. discharge pipe; 8. pressure gauge; 9. rubber layer; 10. connecting column; 11. fixing block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 4 As shown, a technical solution provided by the utility model:

[0022] A safety pressure regulating valve for a high-pressure fine water mist fire extinguishing device comprises a valve body 1, one end of the valve body 1 is connected with an input pipe 2, the other end of the valve body 1 is connected with an output pipe 3, one end of the input pipe 2 is connected with an A flange 4, one end of the output pipe 3 is connected with a B flange 5, one side of the valve body 1 is fixedly connected with an automatic pressure regulating structure 6, the automatic pressure regulating structure 6 comprises a motor box 601, one end of the motor box 601 is fixedly connected to one side of the valve body 1, the top surface of the valve body 1 is fixedly connected with an automatic pressure relief structure 7, the automatic pressure relief structure 7 comprises a connecting block 701, the bottom of the connecting block 701 is fixedly connected to the top surface of the valve body 1, and the arrangement of the A flange 4 and the B flange 5 facilitates connection with external equipment;

[0023] In this embodiment, preferably, a pressure gauge 8 is fixedly connected to one end of the top of the valve body 1, and the model of the pressure gauge 8 is Shanghai Yichuan Instrument Factory Y-100. The inside of the input pipe 2 and the output pipe 3 are fixedly connected to a rubber layer 9. The setting of the pressure gauge 8 plays a role in knowing the water pressure value inside the valve body 1;

[0024] In this embodiment, preferably, two groups of connecting columns 10 are fixedly connected to the bottom of the valve body 1, and the bottoms of the two groups of connecting columns 10 are fixedly connected to fixing blocks 11. The two groups of connecting columns 10 are provided to support the valve body 1.

[0025] In this embodiment, preferably, the automatic pressure regulating structure 6 also includes a servo motor 602, the bottom of the servo motor 602 is fixedly connected to the inner bottom wall of the motor box 601, the output end of the servo motor 602 is splined with a transmission rod 603, one end of the transmission rod 603 is fixedly connected to an adjustment plate 604, and one end of the adjustment plate 604 is rotatably connected to the inside of the valve body 1. Through the setting of the automatic pressure regulating structure 6, the water pressure of the valve body 1 is automatically regulated;

[0026] In this embodiment, preferably, the automatic pressure relief structure 7 also includes a rubber ring 702, both ends of the rubber ring 702 are fixedly connected to the inside of the connecting block 701, a pressure relief ball 703 is arranged on the top of the rubber ring 702, a pressure relief sheet 704 is fixedly connected to the top of the pressure relief ball 703, a telescopic spring 705 is fixedly connected to the top of the pressure relief sheet 704, a pressure relief pipe 706 is fixedly connected to the top of the telescopic spring 705, and the telescopic spring 705 plays a role of automatically telescoping the pressure relief ball 703 through the arrangement of the telescopic spring 705;

[0027] In this embodiment, preferably, the bottom of the pressure relief pipe 706 is fixedly connected to the top of the connecting block 701, one end of the pressure relief pipe 706 is fixedly connected to the protection block 707, the inner top of the protection block 707 is slidably connected to a protection sheet 708, one layer of the protection sheet 708 is fixedly connected to an expansion sheet 709, and one end of the protection block 707 is fixedly connected to a drainage pipe 7010. Through the setting of the drainage pipe 7010, the pressure-relieved water can be discharged to the outside.

[0028] When a safety pressure regulating valve for a high-pressure fine water mist fire extinguishing device of this embodiment is in use, when the staff adjusts the pressure inside the valve body 1 according to the needs of the use scenario, the external power supply is connected, the servo motor 602 is started, the servo motor 602 starts to work and drives the transmission rod 603 to rotate. Since the transmission rod 603 is connected to the adjustment plate 604, the adjustment plate 604 also starts to rotate, and the water pressure inside the valve body 1 is adjusted, thereby achieving the effect of automatically adjusting the water pressure inside the valve body 1. When the water pressure value inside the valve body 1 is higher than the preset value, the moisture inside the valve body 1 will extend into the connecting block 701 and move upward against the pressure relief ball 703, the pressure relief sheet 704 and the telescopic spring 705. When it moves to a certain position, the pressure relief sheet 704 will contact the expansion sheet 709. The expansion sheet 709 is connected to the protective sheet 708. The pressure relief sheet 704 will move upward against the protective sheet 708. The excessive water flow will flow into the drainage pipe 7010 and be discharged to the outside. When the water pressure value returns to a safe value, according to the action of the telescopic spring 705, the telescopic spring 705 automatically rebounds to the top of the connecting block 701 against the pressure relief ball 703 and the pressure relief sheet 704, so that the pressure relief ball 703 fits with the rubber ring 702, thereby achieving automatic pressure relief and improving safety.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A safety pressure regulating valve for a high-pressure water mist fire extinguishing device, comprising a valve body (1), characterized in that: One end of the valve body (1) is connected to an input pipe (2), and the other end of the valve body (1) is connected to an output pipe (3). One end of the input pipe (2) is connected to an A flange (4), and one end of the output pipe (3) is connected to a B flange (5). One side of the valve body (1) is fixedly connected to an automatic pressure regulating structure (6), and the automatic pressure regulating structure (6) comprises a motor box (601), and one end of the motor box (601) is fixedly connected to one side of the valve body (1). The top surface of the valve body (1) is fixedly connected to an automatic pressure relief structure (7), and the automatic pressure relief structure (7) comprises a connecting block (701), and the bottom of the connecting block (701) is fixedly connected to the top surface of the valve body (1).

2. A safety pressure regulating valve for a high-pressure water mist fire extinguishing device according to claim 1, characterized in that: One end of the top of the valve body (1) is fixedly connected to a pressure gauge (8), and the insides of one end of the input pipe (2) and the output pipe (3) are fixedly connected to a rubber layer (9).

3. A safety pressure regulating valve for a high-pressure water mist fire extinguishing device according to claim 1, characterized in that: Two groups of connection columns (10) are fixedly connected to the bottom of the valve body (1), and the bottoms of the two groups of connection columns (10) are fixedly connected to fixing blocks (11).

4. A safety pressure regulating valve for a high-pressure water mist fire extinguishing device according to claim 1, characterized in that: The automatic pressure regulating structure (6) further comprises a servo motor (602), the bottom of which is fixedly connected to the inner bottom wall of the motor box (601), the output end of the servo motor (602) is spline-connected to a transmission rod (603), one end of which is fixedly connected to an adjustment plate (604), and one end of which is rotatably connected to the interior of the valve body (1).

5. The safety pressure regulating valve for high-pressure water mist fire extinguishing device according to claim 1, characterized in that: The automatic pressure relief structure (7) further comprises a rubber ring (702), both ends of which are fixedly connected to the inside of the connection block (701), a pressure relief ball (703) is arranged on the top of the rubber ring (702), a pressure relief sheet (704) is fixedly connected to the top of the pressure relief ball (703), a telescopic spring (705) is fixedly connected to the top of the pressure relief sheet (704), and a pressure relief pipe (706) is fixedly connected to the top of the telescopic spring (705).

6. A safety pressure regulating valve for a high-pressure water mist fire extinguishing device according to claim 5, characterized in that: The bottom of the pressure relief pipe (706) is fixedly connected to the top of the connection block (701), one end of the pressure relief pipe (706) is fixedly connected to a protection block (707), the inner top of the protection block (707) is slidably connected to a protection sheet (708), one layer of the protection sheet (708) is fixedly connected to an expansion sheet (709), and one end of the protection block (707) is fixedly connected to a drainage pipe (7010).

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