Butterfly valve capable of improving fire resistance

Abstract

The utility model discloses a butterfly valve capable of improving fire resistance, which relates to the technical field of butterfly valves and comprises a valve steel ring, a pipeline is arranged in the middle of the valve steel ring, a mounting seat is arranged at the upper end of the valve steel ring, a butterfly valve body is arranged at the upper end of the mounting seat, and a water storage tank is arranged in the butterfly valve body. Two sets of connecting pipes are arranged at the lower end of the water storage tank, water distribution rings are arranged at the lower ends of the two sets of connecting pipes, connecting rods are arranged in the middles of the water distribution rings, mounting connectors are arranged between the connecting rods and the mounting base, and the connecting rods are detachably connected with the mounting base through the arranged mounting connectors. A plurality of water outlet heads are arranged at the lower end of the water distribution ring, and a sealing soft plug is arranged at the lower end of each water outlet head. According to the butterfly valve with the improved fire resistance, the butterfly valve can be protected in a fire disaster, the situation that the sealing rubber ring in the butterfly valve is melted due to high temperature is avoided, and the fire resistance of the butterfly valve is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve with improved fire resistance. Background Art

[0002] A butterfly valve, also known as a flap valve, is a regulating valve with a simple structure. It can be used for the on-off control of low-pressure pipeline media. A butterfly valve refers to a valve whose closing member (valve disc or butterfly plate) is a disc that rotates around the valve axis to achieve opening and closing. The butterfly valve can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media, and mainly plays a role of cutting off and throttling in pipelines.

[0003] When the existing butterfly valve is in use, if it encounters a fire, some of the sealing rubber rings inside the butterfly valve may melt due to high temperature, causing the butterfly valve to lose its sealing performance and lose control of the fluid in the pipeline. The service life of the rigid butterfly valve is shortened. In order to solve the shortcomings of the existing technology, we propose a butterfly valve with improved fire resistance. Utility Model Content

[0004] The main purpose of the utility model is to provide a butterfly valve with improved fire resistance, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A butterfly valve with improved fire resistance comprises a valve steel ring, a pipe is arranged in the middle of the valve steel ring, a mounting seat is arranged at the upper end of the valve steel ring, a butterfly valve body is arranged at the upper end of the mounting seat, a water storage tank is arranged inside the butterfly valve body, two groups of connecting pipes are arranged at the lower end of the water storage tank, water dividing rings are arranged at the lower ends of the two groups of connecting pipes, a connecting rod is arranged in the middle of the water dividing ring, a mounting interface is arranged between the connecting rod and the mounting seat, the connecting rod is detachably connected to the mounting seat through the arranged mounting interface, a plurality of water outlet heads are arranged at the lower end of the water outlet ring, and a sealing soft plug is arranged at the lower end of each group of water outlet heads.

[0007] Preferably, water inlet pipes are provided on both sides of the butterfly valve body, a connecting block is provided at the outer end of the water inlet pipe, a connecting port is provided between the inner end of the water inlet pipe and the water tank, the water inlet pipe is detachably connected to the water tank through the provided connecting port, a water spray head is provided at the lower end of the connecting block, a temperature sensor is provided on the side wall of the connecting block on one side, a water inlet is provided at the upper end of the connecting block, and a sealing cover is provided at the upper end of the water inlet.

[0008] Preferably, a mounting interface is provided between the butterfly valve body and the mounting seat, and the butterfly valve body is detachably connected to the mounting seat via the provided mounting interface. Connecting ports are provided between the connecting rod and the mounting seat and the butterfly valve body, and the connecting rod is detachably connected to the mounting seat and the butterfly valve body via the provided connecting ports.

[0009] Preferably, an installation interface is provided between the water tank and the butterfly valve body, and the water tank is detachably connected to the butterfly valve body through the provided installation interface. A connecting port is provided between the sealing plug and the water outlet head, and the sealing plug is detachably connected to the water outlet head through the provided connecting port.

[0010] Preferably, a connecting port is provided between the connecting block and the water inlet pipe, and the connecting block is detachably connected to the water inlet pipe through the provided connecting port.

[0011] Preferably, an installation interface is provided between the temperature sensor and the connecting block, and the temperature sensor is detachably connected to the connecting block via the provided installation interface; a connecting port is provided between the water spray head and the connecting block, and the water spray head is detachably connected to the connecting block via the provided connecting port.

[0012] Beneficial Effects

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. In the utility model, by providing a water storage tank, a connecting pipe, a water dividing ring, a water outlet head and a sealing plug, the device can protect the butterfly valve in a fire, prevent the internal sealing rubber ring from melting due to high temperature, affect the sealing performance of the butterfly valve, and cause the butterfly valve to be unable to be used normally, thereby improving the fire resistance of the butterfly valve. When the butterfly valve encounters a fire, the sealing plug at the lower end of the water outlet head will first be melted by the high temperature and detached from the lower end of the water outlet head. The water source inside the water storage tank flows into the interior of the water dividing ring through the connecting pipe, and then the water source inside the water dividing ring will flow out from the water outlet head, wetting the valve steel ring and the outer wall of the pipeline to keep them moist, cooling the butterfly valve body, preventing the sealing rubber ring inside the valve body from melting due to high temperature, and making the valve have higher fire resistance and longer service life.

[0015] 2. In the utility model, by setting the connection block, temperature sensor, water spray head and water inlet, the device can cool the outer wall of the pipeline, so that the pipeline can also be protected from high temperature to prevent it from being burned by fire or deformed by high temperature, so that the fire resistance of the device in fire is better. People open the sealing cover at the upper end of the water inlet, and then inject water into the interior of the connection block, and at the same time enter the interior of the water storage tank through the water inlet pipe, and temporarily store it in the water storage tank. When a fire occurs, the temperature sensor will sense the increase in temperature around the butterfly valve, and then control the water spray head at the lower end of the connection block to open, and the water source inside the connection block will be sprayed out from the water spray head to cool the pipeline, prevent it from being damaged by high temperature in fire, and better protect the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the water tank connection structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the water dividing ring structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the sealing soft plug connection structure of the utility model.

[0020] In the figure: 1. valve steel ring; 2. pipeline; 3. mounting seat; 4. butterfly valve body; 5. connecting block; 6. sprinkler head; 7. temperature sensor; 8. connecting rod; 9. water distribution ring; 10. connecting pipe; 11. water storage tank; 12. water inlet pipe; 13. water inlet; 14. sealing cover; 15. water outlet head; 16. sealing plug. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 1-Figure 4As shown, a butterfly valve with improved fire resistance comprises a valve steel ring 1, a pipe 2 is arranged in the middle of the valve steel ring 1, the valve steel ring 1 is used to install the butterfly valve in the middle of the pipe 2, a mounting seat 3 is arranged at the upper end of the valve steel ring 1, a butterfly valve body 4 is arranged at the upper end of the mounting seat 3, the mounting seat 3 is used to install the butterfly valve body 4, a water storage tank 11 is arranged inside the butterfly valve body 4, an installation interface is arranged between the water storage tank 11 and the butterfly valve body 4, the water storage tank 11 is detachably connected to the inside of the butterfly valve body 4 through the arranged installation interface, water for cooling is stored inside the water storage tank 11, two groups of connecting pipes 10 are arranged at the lower end of the water storage tank 11, water diversion rings 9 are arranged at the lower ends of the two groups of connecting pipes 10, the water source inside the water storage tank 11 enters the inside of the water diversion ring 9 through the connecting pipes 10, a connecting rod 8 is arranged in the middle of the water diversion ring 9, and an installation interface is arranged between the connecting rod 8 and the mounting seat 3 , the connecting rod 8 is detachably connected to the mounting seat 3 through the provided mounting interface, and the connecting rod 8 connects the mounting seat 3 with the butterfly valve body 4. A plurality of water outlet heads 15 are provided at the lower end of the water dividing ring 9, and the water source inside the water dividing ring 9 is discharged outwardly from the water outlet head 15. A sealing plug 16 is provided at the lower end of each group of water outlet heads 15, and the sealing plug 16 is used to seal the water outlet head 15. The sealing plug 16 will melt under high temperature, and will automatically open the water outlet head 15 when encountering a fire. When the butterfly valve encounters a fire, the sealing plug 16 at the lower end of the water outlet head 15 will first be melted by high temperature and detached from the lower end of the water outlet head 15, and the water source inside the water tank 11 will flow into the interior of the water dividing ring 9 through the connecting pipe 10, and then the water source inside the water dividing ring 9 will flow outwardly from the water outlet head 15, wet the valve steel ring 1 and the outer wall of the pipeline 2, keep them moist, and cool the butterfly valve body.

[0023] like Figure 1-Figure 4As shown, both sides of the butterfly valve body 4 are provided with water inlet pipes 12, the outer end of the water inlet pipe 12 is provided with a connecting block 5, a connecting port is provided between the connecting block 5 and the water inlet pipe 12, the connecting block 5 is detachably connected to the water inlet pipe 12 through the provided connecting port, a connecting port is provided between the inner end of the water inlet pipe 12 and the water storage tank 11, the water inlet pipe 12 is detachably connected to the water storage tank 11 through the provided connecting port, the water inlet pipe 12 connects the water storage tank 11 with the connecting block 5, the lower end of the connecting block 5 is provided with a water spray head 6, the water spray head 6 can spray water downward to cool the pipe 2, the side wall of one side of the connecting block 5 is provided with a temperature sensor 7, the temperature sensor 7 can sense the temperature change around the butterfly valve, the upper end of the connecting block 5 A water inlet 13 is provided at the end, and people can inject water into the interior of the connecting block 5 from the water inlet 13, and then the water flows into the interior of the water tank 11 through the water inlet pipe 12. A sealing cover 14 is provided at the upper end of the water inlet 13, and the sealing cover 14 is used to seal the water inlet 13. People open the sealing cover 14 at the upper end of the water inlet 13, and then they can inject water into the interior of the connecting block 5, and at the same time enter the interior of the water tank 11 through the water inlet pipe 12, and temporarily store water in the water tank 11. When a fire occurs, the temperature sensor 7 will sense the increase in temperature around the butterfly valve, and then control the sprinkler head 6 at the lower end of the connecting block 5 to open, and the water source inside the connecting block 5 will be sprayed out from the sprinkler head 6 to cool the pipe 2.

[0024] It should be noted that the utility model is a butterfly valve with improved fire resistance. When in use, people open the sealing cover 14 at the upper end of the water inlet 13, and then they can inject water into the interior of the connecting block 5, and at the same time enter the interior of the water storage tank 11 through the water inlet pipe 12, and temporarily store it in the water storage tank 11. When encountering a fire, the temperature sensor 7 will sense the increase in temperature around the butterfly valve, and then control the sprinkler head 6 at the lower end of the connecting block 5 to open, and the water source inside the connecting block 5 will be sprayed outward from the sprinkler head 6 to cool the pipeline 2. At the same time, the sealing soft plug 16 at the lower end of the water outlet head 15 will be melted by the high temperature and detached from the lower end of the water outlet head 15. The water source inside the water storage tank 11 flows into the interior of the water diversion ring 9 through the connecting pipe 10, and then the water source inside the water diversion ring 9 will flow outward from the water outlet head 15, wet the valve steel ring 1 and the outer wall of the pipeline 2, keep them moist, cool the butterfly valve body, and improve the fire resistance of the valve body.

[0025] The above shows and describes the basic principle and main features of the utility model and the 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 for explaining the principle of 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 claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A butterfly valve with improved fire resistance, comprising a valve steel ring (1), characterized in that: A pipe (2) is arranged in the middle of the valve steel ring (1), a mounting seat (3) is arranged at the upper end of the valve steel ring (1), a butterfly valve body (4) is arranged at the upper end of the mounting seat (3), a water storage tank (11) is arranged inside the butterfly valve body (4), two groups of connecting pipes (10) are arranged at the lower end of the water storage tank (11), a water dividing ring (9) is arranged at the lower end of the two groups of connecting pipes (10), a connecting rod (8) is arranged in the middle of the water dividing ring (9), a mounting interface is arranged between the connecting rod (8) and the mounting seat (3), the connecting rod (8) is detachably connected to the mounting seat (3) through the arranged mounting interface, and a plurality of groups of water outlet heads (15) are arranged at the lower end of each group of water outlet heads (15), and a sealing soft plug (16) is arranged at the lower end of each group of water outlet heads (15).

2. The butterfly valve with improved fire resistance according to claim 1, characterized in that: Water inlet pipes (12) are provided on both sides of the butterfly valve body (4); a connecting block (5) is provided at the outer end of the water inlet pipe (12); a connecting port is provided between the inner end of the water inlet pipe (12) and the water storage tank (11); the water inlet pipe (12) is detachably connected to the water storage tank (11) via the provided connecting port; a water spray head (6) is provided at the lower end of each of the connecting blocks (5); a temperature sensor (7) is provided on the side wall of one side of the connecting block (5); a water inlet (13) is provided at the upper end of the connecting block (5); and a sealing cover (14) is provided at the upper end of the water inlet (13).

3. The butterfly valve with improved fire resistance according to claim 1, characterized in that: A mounting interface is provided between the butterfly valve body (4) and the mounting seat (3), and the butterfly valve body (4) is detachably connected to the mounting seat (3) via the provided mounting interface. Connecting ports are provided between the connecting rod (8) and the mounting seat (3) and the butterfly valve body (4), and the connecting rod (8) is detachably connected to the mounting seat (3) and the butterfly valve body (4) via the provided connecting ports.

4. The butterfly valve with improved fire resistance according to claim 1, characterized in that: A mounting interface is provided between the water storage tank (11) and the butterfly valve body (4), and the water storage tank (11) is detachably connected to the butterfly valve body (4) via the provided mounting interface. A connecting port is provided between the sealing soft plug (16) and the water outlet head (15), and the sealing soft plug (16) is detachably connected to the water outlet head (15) via the provided connecting port.

5. The butterfly valve with improved fire resistance according to claim 2, characterized in that: A connection port is provided between the connection block (5) and the water inlet pipe (12), and the connection block (5) is detachably connected to the water inlet pipe (12) via the provided connection port.

6. The butterfly valve with improved fire resistance according to claim 2, characterized in that: A mounting interface is provided between the temperature sensor (7) and the connection block (5), and the temperature sensor (7) is detachably connected to the connection block (5) via the provided mounting interface. A connection port is provided between the water spray head (6) and the connection block (5), and the water spray head (6) is detachably connected to the connection block (5) via the provided connection port.

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