Fire control valve for basement

Abstract

The utility model relates to the technical field of valves, in particular to a basement fire control valve which comprises a control valve assembly, a water passing assembly fixedly connected to the upper end of the control valve assembly, a water flow control assembly fixedly connected to the upper end of the water passing assembly, a protection assembly installed on the inner side of the control valve assembly, and a gas control assembly installed on the inner side of the protection assembly. The water flow control assembly comprises a frame, the upper end of the frame is fixedly connected with a first inserting column, the lower end of the frame is fixedly connected with a second inserting column, the water passing assembly comprises a conducting shell, the inner side of the conducting shell is provided with a first through opening, a water channel and a second through opening, and the inner side of the second through opening is fixedly connected with a first rubber sealing ring. According to the utility model, the water flow path is changed, the water flow is in contact with the buffer mechanism, the impact abrasion of the valve clack is avoided, the service life is prolonged, and the performance and the reliability of a fire extinguishing system are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a fire control valve for basements. Background Art

[0002] The basement fire control valve is a control device specially installed in the basement fire water supply system. It is used to quickly control the on / off flow or adjust the flow rate when a fire occurs. It can ensure that the fire water can be delivered to the basement fire sprinkler system, fire hydrants or other fire extinguishing equipment in a timely and accurate manner when needed. At the same time, it prevents the system from malfunctioning or leaking in non-fire conditions, thereby ensuring the reliability and safety of the basement fire protection system.

[0003] Fire valves play a vital role in fire emergency response. They must be able to open or close quickly when a fire breaks out to ensure that firefighting water can be supplied to the fire scene in a timely and accurate manner, or quickly cut off the water source when necessary to prevent water damage from expanding or system malfunctions. This rapid response capability is crucial for controlling the spread of fire, ensuring personal safety, and minimizing property losses.

[0004] When the fire control valve is suddenly closed, due to the inertia of the water flow, the water will impact the valve disc of the valve. This impact will not only cause mechanical damage to the valve disc, but may also affect the sealing performance and service life of the valve. Although buffer devices have been used in the prior art to alleviate this impact, these methods still cannot completely eliminate the impact force, resulting in the valve disc may still be worn during long-term use, thereby affecting the performance and reliability of the valve disc. Therefore, a fire control valve for basements is proposed to address the above problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a fire control valve for basements to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A fire control valve for a basement, comprising a control valve assembly, the upper end of the control valve assembly is fixedly connected to a water passage assembly, the upper end of the water passage assembly is fixedly connected to a water flow control assembly, a protective assembly is installed inside the control valve assembly, and a gas control assembly is installed inside the protective assembly, the water flow control assembly comprises a frame, the upper end of the frame is fixedly connected to a first plug column, the lower end of the frame is fixedly connected to a second plug column, the water passage assembly comprises a conduction shell, the conduction shell is provided with a first through port, a water channel and a second through port on the inside, a first rubber sealing ring is fixedly connected to the inside of the second through port, an electric telescopic rod is fixedly connected to the top end of the conduction shell, the protective assembly comprises a column block, the column block is provided with an embedding groove on the inside, the embedding groove is fixedly connected to the inside of the second rubber sealing ring, a spring is fixedly connected to the left side of the column block, the left side of the spring is fixedly connected to a fixing column, the fixing column is provided with a cylindrical groove and an expansion groove on the inside, and a third rubber sealing ring is fixedly connected to the inside of the cylindrical groove.

[0008] As a further optimization of the present invention, the control valve assembly includes a valve body, a water outlet and a water inlet are provided at the upper end of the valve body, a lower through port is provided at the lower end of the valve body, flanges are fixedly connected to the left and right sides of the valve body, and the top of the valve body is fixedly connected to the conduction shell.

[0009] As a further optimization of the present invention, the inner side of the valve body is fixedly connected to the outer side of the fixed column, the lower port is connected to the cylindrical groove, the inner side of the valve body is fitted with the outer side of the embedded groove and the outer side of the second rubber sealing ring, the water inlet is connected to the first port, and the water outlet is connected to the second port.

[0010] As a further optimization of the present invention, the frame is simultaneously sleeved on the upper outer wall of the valve body and the outer wall of the conduction shell, the conduction shell is fixed to the top end of the valve body, and a guide bar is fixedly connected to the inner side of the frame.

[0011] As a further optimization of the present invention, the first opening, the water channel and the second opening are connected, the second opening passes through the interior of the conductive shell in the up and down directions, the inner side of the first rubber sealing ring is fitted with the outer side of the first plug column, the top end of the electric telescopic rod is fixedly connected to the upper end of the frame, and the front and rear ends of the conductive shell are provided with guide grooves, and the inner side of the guide groove is slidably connected to the guide bar.

[0012] As a further optimization of the present invention, the cylindrical groove is connected to the expansion groove, and the inner side of the third rubber sealing ring is in contact with the outer side of the second plug column.

[0013] As a further optimization of the present invention, the gas control assembly includes a cylinder, an air hole is opened on the inner side of the cylinder, a fixed plate is fixedly connected to the inner side of the air hole, a spring telescopic rod is fixedly connected to the left side of the fixed plate, a sealing piece is fixedly connected to the left side of the spring telescopic rod, a rubber pad is fixedly connected to the right side of the sealing piece, the right side of the rubber pad is in contact with the left side of the cylinder, a limited flow hole is opened on the inner side of the sealing piece, and the outer side of the cylinder is fixedly connected to the inner side of the expansion groove.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] In the present utility model, by providing a water flow control component, a water passage component, a protective component and a gas control component, when the fire control valve is closed, the device can effectively change the water flow path so that the water flow directly contacts the buffer mechanism, avoiding direct contact between the water flow and the valve disc, thereby preventing the impact and wear of the valve disc caused by the inertia of the water flow. At the same time, by utilizing mechanisms such as gas buffering and elastic tension, the water flow is further prevented from generating a large impact force again, reducing the impact of the water flow inertia on the fire pipe, significantly improving the service life and overall performance of the valve, and enhancing the reliability and safety of the fire protection system. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 This is a schematic diagram of the cross-section structure of the control valve assembly of the utility model;

[0018] Figure 3 It is a schematic diagram of the cutaway structure of the utility model as a whole;

[0019] Figure 4 It is a schematic diagram of the explosion structure of the utility model as a whole;

[0020] Figure 5 For this utility model Figure 4 Schematic diagram of the structure at A;

[0021] Figure 6 This is a schematic diagram of the column block structure of the utility model;

[0022] Figure 7 This is a schematic diagram of the fixed column structure of the utility model;

[0023] Figure 8 This is a schematic diagram of the structure of the plugging piece of the utility model.

[0024] In the figure: 1, control valve assembly; 11, valve body; 12, water outlet; 13, water inlet; 14, lower port;

[0025] 2. Flange;

[0026] 3. Water flow control assembly; 31. Frame; 32. Guide bar; 33. First plug post; 34. Second plug post;

[0027] 4. Water passage assembly; 41. Conducting shell; 42. First opening; 43. Water channel; 44. Second opening; 45. First rubber sealing ring; 46. Electric telescopic rod; 47. Guide groove;

[0028] 5. Protective assembly; 51. Column block; 52. Mounting groove; 53. Second rubber sealing ring; 54. Spring; 55. Fixed column; 56. Column groove; 57. Extension groove; 58. Third rubber sealing ring;

[0029] 6. Gas control assembly; 61. Cylinder; 62. Air vent; 63. Fixing plate; 64. Spring telescopic rod; 65. Sealing piece; 66. Rubber pad; 67. Flow limiting hole. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0032] See also Figures 1-8 , the utility model provides a technical solution:

[0033] A fire control valve for a basement includes a control valve assembly 1, a water passage assembly 4 is fixedly connected to the upper end of the control valve assembly 1, a water flow control assembly 3 is fixedly connected to the upper end of the water passage assembly 4, a protective assembly 5 is installed inside the control valve assembly 1, a gas control assembly 6 is installed inside the protective assembly 5, the water flow control assembly 3 includes a frame 31, a first plug 33 is fixedly connected to the upper end of the frame 31, a second plug 34 is fixedly connected to the lower end of the frame 31, the water passage assembly 4 includes a conduction shell 41, a first opening 42 and a water channel 4 are opened inside the conduction shell 41 3 and a second opening 44, a first rubber sealing ring 45 is fixedly connected to the inner side of the second opening 44, an electric telescopic rod 46 is fixedly connected to the top of the conductive shell 41, the protective component 5 includes a column block 51, an embedding groove 52 is opened on the inner side of the column block 51, a second rubber sealing ring 53 is fixedly connected to the inner side of the embedding groove 52, a spring 54 is fixedly connected to the left side of the column block 51, a fixed column 55 is fixedly connected to the left side of the spring 54, a cylindrical groove 56 and an expansion groove 57 are opened on the inner side of the fixed column 55, and a third rubber sealing ring 58 is fixedly connected to the inner side of the cylindrical groove 56.

[0034] As a further implementation of this solution, the control valve assembly 1 includes a valve body 11, a water outlet 12 and a water inlet 13 are opened at the upper end of the valve body 11, a lower opening 14 is opened at the lower end of the valve body 11, flanges 2 are fixedly connected to the left and right sides of the valve body 11, and the top of the valve body 11 is fixedly connected to the guide shell 41. Through the above arrangement, a basis is provided for guiding the water flow and the stable operation of the valve, ensuring that the water flow can enter smoothly;

[0035] As a further implementation of this solution, the inner side of the valve body 11 is fixedly connected to the outer side of the fixing column 55, the lower port 14 is communicated with the cylindrical groove 56, the inner side of the valve body 11 is fitted with the outer side of the embedded groove 52 and the outer side of the second rubber sealing ring 53, the water inlet 13 is communicated with the first port 42, and the water outlet 12 is communicated with the second port 44. Through the above arrangement, it is convenient to move the second plug-in column 34 inside the cylindrical groove 56, thereby controlling the flow state of the gas inside the control valve assembly 1 close to the protective assembly 5. When the gas of the valve body 11 close to the protective assembly 5 is not blocked, the column block 51 can be prevented from moving excessively to the left by the resistance of the gas, thereby preparing for the inertial buffering of the water flow;

[0036] As a further implementation of this solution, the frame 31 is simultaneously sleeved on the outer wall of the upper end of the valve body 11 and the outer wall of the conduction shell 41. The conduction shell 41 is fixed to the top of the valve body 11. The inner side of the frame 31 is fixedly connected to the guide bar 32. The first opening 42, the water channel 43 and the second opening 44 are connected. The second opening 44 passes through the interior of the conduction shell 41 in the vertical direction. The inner side of the first rubber sealing ring 45 is in contact with the outer side of the first plug column 33. The top of the electric telescopic rod 46 is fixedly connected to the upper end of the frame 31. The front and rear ends of the conduction shell 41 are both provided with guide grooves 47. The inner side of the guide groove 47 is slidably connected to the guide bar 32. Through the above arrangement, the electric telescopic rod 46 drives the movement of the water flow control component 3, thereby changing the path of the water flow.

[0037] As a further implementation of this solution, the cylindrical groove 56 is connected to the extended groove 57, and the inner side of the third rubber sealing ring 58 is fitted with the outer side of the second plug column 34. The gas control component 6 includes a cylinder 61, and an air hole 62 is opened on the inner side of the cylinder 61. A fixed plate 63 is fixedly connected to the inner side of the air hole 62. A spring telescopic rod 64 is fixedly connected to the left side of the fixed plate 63, and a sealing piece 65 is fixedly connected to the left side of the spring telescopic rod 64. A rubber pad 66 is fixedly connected to the right side of the sealing piece 65. The right side of the rubber pad 66 fits with the left side of the cylinder 61, and a limiting flow hole 67 is opened on the inner side of the sealing piece 65. The outer side of the cylinder 61 is fixedly connected to the inner side of the extended groove 57. Through the above arrangement, when the inertia of water is buffered, the gas can be discharged quickly. At the same time, after the inertia of the water flow disappears, the reset speed of the column block 51 can be controlled, thereby preventing the formation of a large water inertia again, thereby improving the protection effect of the fire protection pipe.

[0038] Working process: When the valve is opened for use, the valve is opened. At this time, water will enter the interior of the valve body 11 from the right end of the valve body 11. Before this, the first plug 33 is located inside the first rubber sealing ring 45. The first through-port 42, the water channel 43 and the second through-port 44 are in a connected state. The first rubber sealing ring 45 can prevent water from overflowing. The second plug 34 is located inside the lower through-port 14 and the cylindrical groove 56. The third rubber sealing ring 58 is used to seal and prevent gas from overflowing between the column block 51 and the fixed column 55. Water will come into contact with the column block 51. Since the gas between the column block 51 and the fixed column 55 is in a blocked state, it is difficult for the column block 51 to move to the left, which lays the foundation for later protection. The second rubber sealing ring 53 plays a role in sealing between the column block 51 and the valve body 11, which can prevent water from entering between the column block 51 and the fixed column 55. At this time, water will enter the water channel 43 and the second opening 44 from the first opening 42, enter the left end of the fixed column 55 through the water outlet 12, and then flow out from the left end of the valve body 11, realizing normal water flow.

[0039] When the valve disc of the fire control valve is closed to protect the valve, the electric telescopic rod 46 is started to drive the frame 31 to move downward, and the guide bar 32 slides inside the guide groove 47 to limit the movement of the frame 31. The frame 31 drives the second plug post 34 and the first plug post 33 to move downward at the same time. After the first plug post 33 passes the lower end of the water channel 43, the second plug post 34 is separated from the cylindrical groove 56 and the lower opening 14. When the first plug post 33 enters the lower end of the second opening 44, the second plug post 34 is separated from the lower opening 14. Although there is a certain gap between the first plug post 33 and the lower part of the second opening 44, the water flowing out of this gap will not damage the valve disc. At the same time, the valve is closed, and the water will collide with the column block 51. The impact force of the water pushes the column block 51 to the left. The column block 51 squeezes the spring 54, and the spring 54 plays a role in buffering the impact force of the water. At the same time, the gas at the left end of the column block 51 passes through the fixing plate 63 The space between the fixed column 55 and the expansion groove 57 enters the interior of the expansion groove 57. Under the push of the gas, the blocking piece 65 moves to the left and enters the interior of the expansion groove 57. The blocking piece 65 drives the spring telescopic rod 64 to extend, and the rubber pad 66 is away from the cylinder 61. There is more space on the left side of the expansion groove 57, which is convenient for the gas to enter the cylindrical groove 56 from the expansion groove 57 and then flow out through the lower opening 14. When the inertia of the water flow passes, the elastic force of the spring 54 pushes the column block 51 to return to its original position. External air will enter the cylindrical groove 56 through the lower opening 14. Under the elastic tension of the spring telescopic rod 64, the rubber pad 66 is tightly attached to the left side of the cylinder 61. At this time, external air will enter through the flow restriction hole 67. The aperture of the flow restriction hole 67 is small. By controlling the flow rate of the gas, the speed of the column block 51 moving to the right is controlled. This prevents the column block 51 from pushing the water to the right quickly under the elastic force of the spring 54, thereby generating a large water flow inertia, thereby improving the protection effect of the fire protection pipe.

[0040] Based on the above principles, when the valve is closed, the device changes the path of the water flow, allowing the water flow to directly contact the buffer mechanism, avoiding contact between the water flow and the valve disc, thereby preventing the inertia of the water flow from causing damage to the internal valve disc, and avoiding wear caused by the impact of the valve and water flow, thereby significantly reducing the impact on the overall performance and reliability of the valve.

[0041] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fire control valve for a basement, comprising a control valve assembly (1), characterized in that: The upper end of the control valve assembly (1) is fixedly connected to a water passage assembly (4), the upper end of the water passage assembly (4) is fixedly connected to a water flow control assembly (3), a protective assembly (5) is installed inside the control valve assembly (1), a gas control assembly (6) is installed inside the protective assembly (5), the water flow control assembly (3) comprises a frame (31), the upper end of the frame (31) is fixedly connected to a first plug post (33), the lower end of the frame (31) is fixedly connected to a second plug post (34), the water passage assembly (4) comprises a conducting shell (41), the inner side of the conducting shell (41) is provided with a first opening (42), a water channel (43) and a second opening (44), A first rubber sealing ring (45) is fixedly connected to the inner side of the second opening (44), an electric telescopic rod (46) is fixedly connected to the top of the conductive shell (41), the protective assembly (5) includes a column block (51), an embedded groove (52) is provided on the inner side of the column block (51), a second rubber sealing ring (53) is fixedly connected to the inner side of the embedded groove (52), a spring (54) is fixedly connected to the left side of the column block (51), a fixed column (55) is fixedly connected to the left side of the spring (54), a cylindrical groove (56) and an expansion groove (57) are provided on the inner side of the fixed column (55), and a third rubber sealing ring (58) is fixedly connected to the inner side of the cylindrical groove (56).

2. A fire control valve for basement use according to claim 1, characterized in that: The control valve assembly (1) comprises a valve body (11), the upper end of the valve body (11) is provided with a water outlet (12) and a water inlet (13), the lower end of the valve body (11) is provided with a lower opening (14), the left and right sides of the valve body (11) are fixedly connected to flanges (2), and the top end of the valve body (11) is fixedly connected to a conduction shell (41).

3. A fire control valve for basement use according to claim 2, characterized in that: The inner side of the valve body (11) is fixedly connected to the outer side of the fixed column (55), the lower opening (14) is communicated with the cylindrical groove (56), the inner side of the valve body (11) is in contact with the outer side of the embedded groove (52) and the outer side of the second rubber sealing ring (53), the water inlet (13) is communicated with the first opening (42), and the water outlet (12) is communicated with the second opening (44).

4. A fire control valve for basement use according to claim 3, characterized in that: The frame (31) is simultaneously sleeved on the upper outer wall of the valve body (11) and the outer wall of the conduction shell (41), and a guide bar (32) is fixedly connected to the inner side of the frame (31).

5. The fire control valve for basement use according to claim 1, characterized in that: The first opening (42), the water channel (43) and the second opening (44) are connected. The second opening (44) passes through the interior of the conductive shell (41) in the vertical direction. The inner side of the first rubber sealing ring (45) is in contact with the outer side of the first plug column (33). The top end of the electric telescopic rod (46) is fixedly connected to the upper end of the frame (31). The front end and the rear end of the conductive shell (41) are both provided with guide grooves (47). The inner side of the guide groove (47) is slidably connected to the guide bar (32).

6. The fire control valve for basement use according to claim 1, characterized in that: The cylindrical groove (56) is communicated with the expansion groove (57), and the inner side of the third rubber sealing ring (58) is in contact with the outer side of the second plug column (34).

7. The fire control valve for basement use according to claim 1, characterized in that: The gas control assembly (6) comprises a cylinder (61), an air hole (62) is provided on the inner side of the cylinder (61), a fixed plate (63) is fixedly connected to the inner side of the air hole (62), a spring telescopic rod (64) is fixedly connected to the left side of the fixed plate (63), a sealing piece (65) is fixedly connected to the left side of the spring telescopic rod (64), a rubber pad (66) is fixedly connected to the right side of the sealing piece (65), the right side of the rubber pad (66) is in contact with the left side of the cylinder (61), a limited flow hole (67) is provided on the inner side of the sealing piece (65), and the outer side of the cylinder (61) is fixedly connected to the inner side of the expansion groove (57).

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