High-sealing smoke-discharging fireproof regulating valve
The high-sealing smoke exhaust fireproof regulating valve, which uses a fusible link to disconnect the circuit and drive the valve plate to close, solves the problem of reduced sealing during a fire and achieves an automatic fireproof function at high temperatures, ensuring safety.
Patent Information
- Application Number
- CN202520338362.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Existing smoke exhaust and fire prevention regulating valves suffer from reduced sealing performance due to high-temperature deformation during fires, leading to smoke leakage and increased safety hazards.
A high-sealing smoke exhaust and fire prevention regulating valve was designed. It uses a fusible ring to melt and disconnect the circuit at high temperature, triggering a rotating motor to drive the valve plate to close. Combined with a flange head and rubber gasket, it ensures sealing and realizes automatic response fire prevention function.
It automatically responds under high-temperature conditions to ensure valve sealing, prevent flue gas leakage, and protect the safety of buildings and personnel.
Smart Images
Figure CN223662600U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fire prevention regulating valve technical field especially relates to a high sealing smoke exhaust fire prevention regulating valve. BACKGROUND
[0002] The regulating valve is an important equipment for controlling fluid flow and pressure parameters in industrial production process, the flow of medium is adjusted by changing the opening of the valve, so as to realize the accurate control of the process, can ensure the stability and high efficiency of system operation, and can be adjusted flexibly according to different needs to reach the best working state.
[0003] The smoke exhaust fire prevention regulating valve is a special regulating valve for building smoke exhaust system, under normal circumstances, the size of smoke exhaust passage can be adjusted, the smoke exhaust amount is controlled, and the air circulation inside the building is ensured, and when fire occurs, the smoke exhaust fire prevention regulating valve can also play a fireproof role and prevent the spread of fire through the smoke exhaust passage.
[0004] The existing smoke exhaust fire prevention regulating valve is deformed due to the high temperature around when fire occurs, the sealing property of the regulating valve is reduced, smoke leakage is caused, and greater safety hazards are brought to the building and personnel. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a high sealing smoke exhaust fire prevention regulating valve, which aims at improving the problem that the existing smoke exhaust fire prevention regulating valve is deformed due to the high temperature around when fire occurs, smoke leakage is caused, and greater safety hazards are brought to the building and personnel.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a high sealing smoke exhaust fire prevention regulating valve, including the valve body, the inner wall right side of the valve body is rotatably connected with the shaft rod, the outer wall middle part of the shaft rod is fixedly connected with the valve piece, the outer wall all around of the valve piece and the inner wall of the valve body are mutually pasted, the outer wall middle upper part of the shaft rod is rotatably connected with the hexagonal fixing seat, the bottom end of the hexagonal fixing seat is fixedly connected on the top wall right side of the valve body, the top end of the shaft rod is fixedly connected with the knob, the front side middle part of the valve body is fixedly connected with the temperature table, the front side of the temperature table is provided with the pointer, the left and right ends of the valve body are all fixedly connected with the flange head, the far away one of the two flange heads is fixedly connected with the flange interface through the fixed assembly, the top wall left side of the valve body is provided with the high temperature response mechanism.
[0007] As a further description of the above technical scheme:
[0008] The high-temperature response mechanism comprises two electrodes, the inner wall of the valve body is fixedly connected with a fixed frame at the left upper end and the left lower end, the two electrodes are electrically connected with the fixed frame at the upper end, fusible pieces are arranged between the adjacent two fixed frames, fixed screws are threadedly connected to the right sides of the two fixed frames and penetrate the upper end and the lower end of the fusible piece, a signal transmitter is fixedly connected to the left side of the bottom wall of the valve body, the signal transmitter is electrically connected with the fixed screw at the bottom end, a rotating motor is fixedly connected to the right side of the bottom wall of the valve body, and the output end of the rotating motor is fixedly connected with the bottom end of the shaft rod.
[0009] As a further description of the above technical solution:
[0010] The fixing assembly comprises a plurality of fixing bolts, adjacent ends of the plurality of fixing bolts penetrate the four sides of the flange head and the flange interface away from each other, and adjacent ends of the plurality of fixing bolts are threadedly connected with fixing nuts.
[0011] As a further description of the above technical solution:
[0012] Threaded grooves are formed in the inner walls of the two flange interfaces, and the two threaded grooves have the same specification.
[0013] As a further description of the above technical solution:
[0014] A plurality of finger holes are equidistantly formed in the top wall of the knob, and the inner walls of the plurality of finger holes are designed to be smooth.
[0015] As a further description of the above technical solution:
[0016] Clamping grooves are formed in the front and rear sides of the outer walls of the two electrodes, and the inner walls of the plurality of clamping grooves are designed to be conductive.
[0017] As a further description of the above technical solution:
[0018] Mounting grooves are formed in the adjacent sides of the left flange head and the left flange interface and the adjacent sides of the right flange head and the right flange interface, and rubber gaskets are arranged in the middle portions of the adjacent sides of the left flange head and the left flange interface and the adjacent sides of the right flange head and the right flange interface.
[0019] As a further description of the above technical solution:
[0020] A plurality of rubber rings are fixedly connected to the outer wall of the valve piece, and the plurality of rubber rings are made of high-temperature-resistant materials.
[0021] The utility model has the advantages of:
[0022] 1. In the utility model, through the rotation knob drives the axle stem and the valve piece rotation, makes the valve piece realize the smoke exhaust volume regulation, the flange head, the flange interface and the fixed assembly ensure and the smoke exhaust pipeline connection firm seal, realized the smoke exhaust volume regulation and in the fire case time for building fire safety provides reliable guarantee's function.
[0023] 2. In the utility model, through the fusible piece's fusible characteristic, when temperature rises, the fusible piece melts and makes the circuit break, the signal transmitter is triggered and sends the signal to the rotating motor, the rotating motor starts and drives the axle stem rotation, makes the valve piece close, realizes the fire prevention function, in the high temperature emergency, automatic response, protects the building and personnel safety. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 A high sealing smoke exhaust fire prevention regulating valve is provided for the utility model;
[0025] Figure 2 A high sealing smoke exhaust fire prevention regulating valve is provided for the utility model;
[0026] Figure 3 A high sealing smoke exhaust fire prevention regulating valve is provided for the utility model;
[0027] Figure 4 A high sealing smoke exhaust fire prevention regulating valve is provided for the utility model;
[0028] Figure 5 A high sealing smoke exhaust fire prevention regulating valve is provided for the utility model;
[0029] Legend:
[0030] 1, valve body;2, high temperature response mechanism;201, electrode;202, fixed frame;203, fusible piece;204, fixed screw;205, signal transmitter;206, rotating motor;3, axle stem;4, valve piece;5, hexagonal fixed seat;6, knob;7, temperature table;8, pointer;9, flange head;10, flange interface;11, fixed bolt;12, fixed nut;13, thread groove;14, finger hole;15, clamping groove;16, installation groove;17, rubber gasket;18, rubber ring. DETAILED DESCRIPTION
[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0032] Referring to Figure 1 , Figure 2 and Figure 3 , the utility model provides a kind of embodiment of high sealing smoke exhaust fire prevention regulating valve, including valve body 1, the inner wall right side of valve body 1 is rotatably connected with shaft 3, shaft 3 plays transmission effect, can drive valve piece 4 rotation to adjust smoke exhaust volume, the outer wall middle part of shaft 3 is fixedly connected with valve piece 4, the outer wall all around of valve piece 4 and the inner wall of valve body 1 mutually adhere, can realize good sealing under closed state, prevent flue gas leakage, the outer wall middle upper portion of shaft 3 is rotatably connected with hexagonal fixed seat 5, the bottom end of hexagonal fixed seat 5 is fixedly connected in the top wall right side of valve body 1, hexagonal fixed seat 5 plays the role of stabilizing shaft 3, prevent it from appearing wobble in rotation process, the top end of shaft 3 is fixedly connected with knob 6, knob 6 is convenient for operator to manually adjust the angle of valve piece 4, the front side middle part of valve body 1 is fixedly connected with thermometer 7, thermometer 7 can show the temperature inside valve body 1 in real time, it is convenient to monitor temperature change, the front side of thermometer 7 is provided with pointer 8, pointer 8 indicates temperature value, the left and right ends of valve body 1 are fixedly connected with flange head 9, flange head 9 is used to connect flange interface 10, the segment of two flange heads 9 that is far away is fixedly connected with flange interface 10 by fixed assembly, and fixed assembly ensures that connection is firm and reliable, prevents leakage, the top wall left side of valve body 1 is provided with high temperature response mechanism 2, high temperature response mechanism 2 is automatically triggered corresponding action when temperature rises to certain degree, such as closing valve piece 4 to realize fire prevention function;
[0033] Specifically, valve body 1 is the main structure of the whole device, providing a place for installation and support for other components, valve piece 4 is connected to valve body 1 through shaft 3, the outer wall all around of valve piece 4 and the inner wall of valve body 1 mutually adhere, to ensure that good sealing can be achieved in the closed state, when the smoke exhaust volume needs to be adjusted, rotate knob 6 to drive shaft 3 to rotate, thereby adjusting the angle of valve piece 4 and changing the size of the smoke exhaust passage, the hexagonal fixed seat 5 on the outer wall middle upper portion of shaft 3 plays the role of stabilizing shaft 3, preventing it from wobbling during rotation, thermometer 7 and pointer 8 can monitor the temperature change inside valve body 1 in real time, when the temperature rises due to a fire or other conditions, thermometer 7 can provide timely feedback on the temperature information, so that appropriate measures can be taken, the flange heads 9 on the left and right ends of valve body 1 are used to connect flange interfaces 10, and the firmness and sealing of the connection can be ensured through the fixed assembly, in actual application, flange interfaces 10 can be easily connected to the smoke exhaust pipeline, allowing the smoke exhaust volume to be adjusted, providing a reliable guarantee for the fire safety of buildings.
[0034] Referring to Figure 1 , Figure 2 and Figure 4The high-temperature response mechanism 2 comprises two electrodes 201 for conducting current to detect the state of the fusible link 203, the inner wall of the valve body 1 is fixedly connected with a fixed frame 202 at the upper and lower ends on the left side, the fixed frame 202 provides installation support for the electrodes 201 and the fusible link 203, the two electrodes 201 are electrically connected with the upper end fixed frame 202 to ensure the current conduction path, the fusible link 203 is arranged between the two adjacent fixed frames 202, the fusible link 203 melts at high temperature to trigger the subsequent action, the right side of the two fixed frames 202 is penetrated and threadedly connected with a fixed screw 204, the fixed screw 204 serves to fix the fusible link 203 and connect the circuit, the left end of the plurality of fixed screws 204 penetrates the upper and lower ends of the fusible link 203, the bottom wall of the valve body 1 is fixedly connected with a signal transmitter 205 on the left side, the signal transmitter 205 sends a signal after the fusible link 203 melts, the signal transmitter 205 is electrically connected with the bottom end fixed screw 204 to ensure accurate signal transmission, the bottom wall of the valve body 1 is fixedly connected with a rotating motor 206 on the right side, the rotating motor 206 drives the shaft rod 3 to rotate after receiving the signal, the output end of the rotating motor 206 is fixedly connected with the bottom end of the shaft rod 3, the signal transmitter 205 is electrically connected with the rotating motor 206 to ensure timely signal transmission and response.
[0035] Specifically, when the ambient temperature is normal, the two electrodes 201 are in a non-triggered state, the fixed frames 202 at the upper and lower ends on the left side of the inner wall of the valve body 1 provide stable installation positions for the electrodes 201 and the fusible link 203, and the fusible link 203 remains intact at normal temperature, at this time, the whole system normally operates, and the smoke exhaust amount can be controlled by adjusting the angle of the valve plate 4 through the knob 6, when the ambient temperature rises to a certain degree, the fusible link 203 will melt due to high temperature, since the fixed screws 204 on the right side of the two fixed frames 202 penetrate and threadedly connect the fixed frames 202 and the left end penetrates the upper and lower ends of the fusible link 203, when the fusible link 203 melts, the circuit originally connected through the fusible link 203 is disconnected, the signal transmitter 205 on the left side of the bottom wall of the valve body 1 is electrically connected with the bottom end fixed screw 204, after the fusible link 203 melts to cause the circuit to change, the signal transmitter 205 is triggered and sends a signal to the rotating motor 206 on the right side of the bottom wall of the valve body 1, the rotating motor 206 is fixedly connected with the bottom end of the shaft rod 3, and the rotating motor 206 is started after receiving the signal, thereby driving the shaft rod 3 to rotate, so that the valve plate 4 is quickly closed to prevent the fire from spreading through the smoke exhaust passage, thereby achieving the fireproof function, and the automatic response in the high-temperature emergency can timely and effectively protect the building and personnel safety.
[0036] Referring to FIGS, Figure 3 and Figure 5The fixed assembly comprises a plurality of fixing bolts 11, adjacent ends of the fixing bolts 11 are arranged around the flanges 9 and the flange interfaces 10 on the opposite sides, for connecting the flanges 9 and the flange interfaces 10, adjacent ends of the plurality of fixing bolts 11 are threadedly connected with fixing nuts 12, the fixing nuts 12 cooperate with the fixing bolts 11 to ensure firm connection, the inner walls of the two flange interfaces 10 are provided with threaded grooves 13, the threaded grooves 13 facilitate threaded connection with external pipelines, the two threaded grooves 13 are of the same specification, ensuring the universality of the connection, the top wall of the knob 6 is provided with a plurality of finger holes 14 at equal intervals, the finger holes 14 provide force points for the operator to rotate the knob 6, the inner walls of the plurality of finger holes 14 are designed to be smooth, preventing scratches on the fingers;
[0037] Specifically, the fixing bolts 11 and the fixing nuts 12 tightly connect the flanges 9 and the flange interfaces 10 together, ensuring firm and reliable connection between the regulating valve and the smoke exhaust pipeline, the threaded grooves 13 are provided in the inner walls of the flange interfaces 10, which are of the same specification to facilitate standardized connection with external connecting components, so as to conveniently connect with pipelines or other equipment with corresponding threads, the finger holes 14 are provided at equal intervals in the top wall of the knob 6, providing force points for the operator, when the angle of the valve disc 4 needs to be adjusted, the operator can insert fingers into the finger holes 14 to rotate the knob 6 more easily, improving the convenience and accuracy of operation, and the smooth design avoids injuries such as scratches on the fingers.
[0038] Referring to Figure 3 , Figure 4 and Figure 5 , the outer walls of the two electrodes 201 are provided with clamping grooves 15 on the front and rear sides, the clamping grooves 15 facilitate installation and fixation of the electrodes 201, the inner walls of the plurality of clamping grooves 15 are made of conductive process, ensuring good conduction of current, the adjacent sides of the left end flange 9 and the flange interface 10 and the adjacent sides of the right end flange 9 and the flange interface 10 are provided with installation grooves 16, the installation grooves 16 provide installation positions for the rubber gaskets 17, the adjacent sides of the left end flange 9 and the flange interface 10 and the adjacent sides of the right end flange 9 and the flange interface 10 are provided with the rubber gaskets 17 in the middle, the rubber gaskets 17 play a sealing role to prevent smoke leakage, the outer wall of the valve disc 4 is fixedly connected with a plurality of rubber rings 18, the rubber rings 18 enhance the sealing property between the valve disc 4 and the valve body 1, the plurality of rubber rings 18 are made of high-temperature-resistant materials, ensuring normal operation in high-temperature environments;
[0039] Specifically, the installation and fixation of the electrode 201 are facilitated by the setting of the clamping groove 15, the inner wall is made of conductive material to ensure good conduction of current, the rubber gasket 17 is arranged between the flange head 9 and the flange interface 10 to play a sealing role during connection and prevent smoke from leaking from the connection part, and the rubber ring 18 on the outer wall of the valve plate 4 further enhances the sealing between the valve plate 4 and the valve body 1, effectively preventing smoke from leaking through the gap between the valve plate 4 and the valve body 1.
[0040] Working principle: The valve body 1 serves as the main structure of the entire device and provides a place for installation and support for other components, the valve plate 4 is connected to the valve body 1 through the shaft 3, the outer wall of the valve plate 4 is in close contact with the inner wall of the valve body 1 to ensure good sealing in the closed state, when it is necessary to adjust the smoke exhaust volume, the shaft 3 is rotated by rotating the knob 6, thereby adjusting the angle of the valve plate 4 and changing the size of the smoke exhaust passage, the hexagonal fixing seat 5 on the upper part of the outer wall of the shaft 3 plays a role in stabilizing the shaft 3 to prevent it from shaking during rotation, the temperature meter 7 and the pointer 8 can monitor the temperature change inside the valve body 1 in real time, when the temperature rises due to fire or other situations, the temperature meter 7 can timely feedback the temperature information so as to take corresponding measures, the flange head 9 at the left and right ends of the valve body 1 is used to connect the flange interface 10, and the firmness and sealing of the connection can be ensured through the fixing assembly, in actual application, the flange interface 10 can be conveniently connected with the smoke exhaust pipeline;
[0041] When the ambient temperature is normal, the two electrodes 201 are in a non-triggered state, the fixing frame 202 on the left side of the inner wall of the valve body 1 provides a stable installation position for the electrode 201 and the fusible link 203, the fusible link 203 remains intact at normal temperature, at this time, the entire system is in normal operation, and the smoke exhaust volume can be controlled by adjusting the angle of the valve plate 4 through the knob 6, when the ambient temperature rises to a certain extent, the fusible link 203 will melt due to high temperature, since the fixing screws 204 on the right side of the two fixing frames 202 penetrate and threadedly connect the fixing frames 202 and penetrate the upper and lower ends of the fusible link 203, when the fusible link 203 melts, the circuit originally connected through the fusible link 203 is disconnected, the signal transmitter 205 on the left side of the bottom wall of the valve body 1 is electrically connected with the bottom fixing screw 204, after the fusible link 203 melts and causes the circuit to change, the signal transmitter 205 is triggered and sends a signal to the rotating motor 206 on the right side of the bottom wall of the valve body 1, the rotating motor 206 is fixedly connected with the bottom end of the shaft 3, after receiving the signal, the rotating motor 206 is started to drive the shaft 3 to rotate, thereby causing the valve plate 4 to quickly close and preventing the fire from spreading through the smoke exhaust passage.
[0042] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A high-sealing smoke exhaust and fireproof regulating valve, comprising a valve body (1), characterized in that: A shaft (3) is rotatably connected to the right side of the inner wall of the valve body (1). A valve plate (4) is fixedly connected to the middle of the outer wall of the shaft (3). The outer walls of the valve plate (4) are in close contact with the inner wall of the valve body (1). A hexagonal fixing seat (5) is rotatably connected to the upper middle part of the outer wall of the shaft (3). The bottom end of the hexagonal fixing seat (5) is fixedly connected to the right side of the top wall of the valve body (1). A knob (6) is fixedly connected to the top end of the shaft (3). A thermometer (7) is fixedly connected to the middle of the front side of the valve body (1). A pointer (8) is provided on the front side of the thermometer (7). Flange heads (9) are fixedly connected to both the left and right ends of the valve body (1). The flange interfaces (10) are fixedly connected to the two flange heads (9) at a distance from each other through a fixing assembly. A high temperature response mechanism (2) is provided on the left side of the top wall of the valve body (1). The high temperature response mechanism (2) is used to automatically sense the temperature inside the valve and respond to the valve plate (4).
2. The high-sealing smoke exhaust and fireproof regulating valve according to claim 1, characterized in that: The high-temperature response mechanism (2) includes two electrodes (201). The upper and lower ends of the inner wall of the valve body (1) are fixedly connected to a fixing frame (202). The two electrodes (201) are electrically connected to the upper fixing frame (202). A fusible link (203) is provided between the adjacent fixing frames (202). A fixing screw (204) is threaded through and connected to the right side of the two fixing frames (202). The left ends of the fixing screws (204) are through the upper and lower ends of the fusible link (203). A signal transmitter (205) is fixedly connected to the left side of the bottom wall of the valve body (1). The signal transmitter (205) is electrically connected to the bottom fixing screw (204). A rotating motor (206) is fixedly connected to the right side of the bottom wall of the valve body (1). The output end of the rotating motor (206) is fixedly connected to the bottom end of the shaft (3). The signal transmitter (205) is electrically connected to the rotating motor (206).
3. The high-sealing smoke exhaust and fireproof regulating valve according to claim 1, characterized in that: The fixing assembly includes a plurality of fixing bolts (11), with one adjacent end of each fixing bolt (11) passing through the periphery of the flange head (9) and the flange interface (10), and each adjacent end of each fixing bolt (11) being threaded with a fixing nut (12).
4. The high-sealing smoke exhaust and fireproof regulating valve according to claim 1, characterized in that: Both flange interfaces (10) have threaded grooves (13) on their inner walls, and the two threaded grooves (13) have the same specifications.
5. The high-sealing smoke exhaust and fireproof regulating valve according to claim 1, characterized in that: The knob (6) has multiple finger holes (14) equidistantly spaced on its top wall, and the inner walls of the multiple finger holes (14) are all designed with a smooth surface.
6. The high-sealing smoke exhaust and fireproof regulating valve according to claim 2, characterized in that: The outer walls of the two electrodes (201) are provided with grooves (15) on the front and back sides, and the inner walls of the multiple grooves (15) are made of conductive material.
7. The high-sealing smoke exhaust and fireproof regulating valve according to claim 1, characterized in that: Mounting grooves (16) are provided on the adjacent side of the flange head (9) and flange interface (10) at the left end and on the adjacent side of the flange head (9) and flange interface (10) at the right end. Rubber gaskets (17) are provided in the middle of the adjacent side of the flange head (9) and flange interface (10) at the left end and in the middle of the adjacent side of the flange head (9) and flange interface (10) at the right end.
8. A high-sealing smoke exhaust and fireproof regulating valve according to claim 1, characterized in that: The outer wall of the valve plate (4) is fixedly connected with multiple rubber rings (18), and all of the multiple rubber rings (18) are made of high temperature resistant material.