Fireproof valve for ventilation engineering
By setting a cone thermometer and a closure mechanism in the fire valve, the problem of jamming caused by corrosion of the fire valve linkage mechanism is solved, and a more stable closing effect and effective smoke barrier are achieved.
Patent Information
- Application Number
- CN202420636229.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-03-29
AI Technical Summary
When the existing fire valve is not used for a long time, it will be stuck due to corrosion of the linkage mechanism, and the blades cannot be closed normally, affecting the fire prevention effect.
A fire-proof valve is designed. By setting up a cone thermometer and a closure mechanism, the cone thermometer starts the closure mechanism after detecting the high temperature, which separates the inside of the barrel body and blocks the spread of smoke.
The fire valve is more stable when closed, avoiding the jam caused by corrosion of the linkage mechanism, and ensuring the barrier effect of smoke propagation.
Smart Images
Figure CN222669057U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fire dampers, in particular to a fire damper used in ventilation engineering. Background Art
[0002] The fire damper is a normally open valve, which is opened by the control center through 24V DC or manually, and automatically closed at 280℃, and must be reset manually. Its function is: when the smoke temperature reaches 280℃, people have basically evacuated, smoke exhaust is no longer practical, and the smoke is already carrying fire at this time, the valve automatically closes to prevent the spread of fire. The smoke exhaust vents of the system can also use normally closed fire exhaust vents, and the smoke exhaust fire dampers on the branch pipes can be eliminated.
[0003] The existing fire damper rotates the blades through the linkage mechanism to close the fire damper when in use. When not in use for a long time, the linkage mechanism may get stuck during transmission due to corrosion, causing the blades to fail to close normally. Utility Model Content
[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a fire damper for ventilation engineering, which has the advantage of being more stable when closed, and solves the problem that the existing fire damper rotates the blades through a linkage mechanism to close the fire damper when in use, and the linkage mechanism will become stuck during transmission due to corrosion when not used for a long time, resulting in the blades being unable to close normally.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: including a barrel body, a through hole, a limit bar, a control device, a fixed block, a cone block temperature sensor and a fixed box, the through hole is opened on both sides of the barrel body, the limit bar is fixedly connected to both sides of the inner wall of the barrel body, the control device is fixedly connected to the left side of the top of the barrel body, the fixed block is fixedly connected to the left side of the inner wall of the barrel body, the cone block temperature sensor is fixedly connected to the left side of the top of the inner wall of the barrel body, the fixed box is fixedly connected to the bottom of the barrel body, and the inner wall of the fixed box is movably connected with a closing mechanism.
[0006] As a preferred embodiment of the utility model, the closing mechanism includes a movable shaft one, the movable shaft one is movably connected to the inner wall of the fixed box, a motor one is fixedly connected to the rear side of the fixed box, the output end of the motor one is fixedly connected to the rear side of the movable shaft one, and one end of a closed mesh cloth is fixedly connected to the surface of the movable shaft one, and the closed mesh cloth is wrapped around the surface of the movable shaft one.
[0007] As a preferred embodiment of the utility model, the inner wall of the limit strip is movably connected to a fixing strip, the other end of the closed mesh is fixedly connected to the bottom of the fixing strip, and the top of the fixing strip is fixedly connected to one end of a steel wire.
[0008] As a preferred embodiment of the present invention, a support block is fixedly connected to the right side of the top of the barrel body, and a motor 2 is fixedly connected to the top of the support block.
[0009] As a preferred embodiment of the present invention, the output end of the second motor is fixedly connected to the second movable shaft, and the other end of the steel wire is fixedly connected to the surface of the second movable shaft.
[0010] As a preferred embodiment of the present invention, the top of the barrel body and the top of the inner wall of the fixed box are both fixedly connected with a bracket, and one side of the bracket is movably connected with a limiting roller.
[0011] As a preferred embodiment of the utility model, a smoke sensor is fixedly connected to the right side of the bottom of the fixed block, and an alarm located on the right side of the supporting block is fixedly connected to the top of the barrel body.
[0012] As a preferred embodiment of the utility model, grooves are provided on both sides of the fixing strip, and rollers are movably connected to the inner walls of the grooves.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0014] 1. The utility model sets a cone block temperature sensor, which sends a signal to the control device after detecting high temperature, and then starts the closing mechanism through the control device to separate the inside of the barrel body and block the spread of smoke. It solves the problem that the existing fire damper rotates the blades through the linkage mechanism to close the fire damper when in use, and the linkage mechanism will get stuck during transmission due to corrosion when not used for a long time, resulting in the blades being unable to close normally. It has the advantage of being more stable when closed.
[0015] 2. The utility model sets a closing mechanism, and a motor drives a movable shaft to rotate to roll up the closing mesh cloth, so that the ventilation of the barrel body can be restored after the barrel body is closed by the closing mesh cloth. When the closing mesh cloth moves upward, the edge of the closing mesh cloth is limited by a limiting strip to prevent the closing mesh cloth from bending.
[0016] 3. The utility model provides a fixing bar and a steel wire, wherein the steel wire drives the fixing bar to move upward, and then the fixing bar drives the closed mesh cloth to move upward to separate the inner wall of the barrel body. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;
[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the steel wire of the utility model;
[0020] Figure 4 The utility model is Figure 2 Enlarged structural diagram at A in the middle.
[0021] In the figure: 1. barrel body; 2. through hole; 3. limit strip; 4. control device; 5. fixed block; 6. cone block temperature sensor; 7. fixed box; 8. closing mechanism; 81. movable shaft 1; 82. motor 1; 83. closing mesh; 9. fixed strip; 10. steel wire; 11. support block; 12. motor 2; 13. movable shaft 2; 14. bracket; 15. limit roller; 16. smoke sensor; 17. alarm; 18. groove; 19. roller. DETAILED DESCRIPTION
[0022] 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.
[0023] like Figures 1 to 3 As shown, the utility model includes a barrel body 1, a through hole 2, a limit strip 3, a control device 4, a fixed block 5, a cone block temperature sensor 6 and a fixed box 7. The through hole 2 is opened on both sides of the barrel body 1, the limit strip 3 is fixedly connected to both sides of the inner wall of the barrel body 1, the control device 4 is fixedly connected to the left side of the top of the barrel body 1, the fixed block 5 is fixedly connected to the left side of the inner wall of the barrel body 1, the cone block temperature sensor 6 is fixedly connected to the left side of the top of the inner wall of the barrel body 1, the fixed box 7 is fixedly connected to the bottom of the barrel body 1, and the inner wall of the fixed box 7 is movably connected with a closing mechanism 8.
[0024] refer to Figure 3 The closing mechanism 8 includes a movable shaft 81, which is movably connected to the inner wall of the fixed box 7. A motor 82 is fixedly connected to the rear side of the fixed box 7. The output end of the motor 82 is fixedly connected to the rear side of the movable shaft 81. One end of a closed mesh 83 is fixedly connected to the surface of the movable shaft 81. The closed mesh 83 is wound around the surface of the movable shaft 81.
[0025] As a technical optimization scheme of the utility model, by setting a closing mechanism 8, a motor 82 drives a movable shaft 81 to rotate and reel in the closing mesh 83, so that the ventilation of the barrel body 1 can be restored after the closing mesh 83 closes the barrel body 1. When the closing mesh 83 moves upward, the edge of the closing mesh 83 is limited by the limiting strip 3 to prevent the closing mesh 83 from bending.
[0026] refer to Figure 3The inner wall of the limiting strip 3 is movably connected with a fixing strip 9 , the other end of the closed mesh 83 is fixedly connected to the bottom of the fixing strip 9 , and the top of the fixing strip 9 is fixedly connected with one end of a steel wire 10 .
[0027] As a technical optimization solution of the utility model, by setting a fixing bar 9 and a steel wire 10, the steel wire 10 drives the fixing bar 9 to move upward, and then the fixing bar 9 drives the closed mesh 83 to move upward to separate the inner wall of the barrel body 1.
[0028] refer to Figure 3 A support block 11 is fixedly connected to the right side of the top of the barrel body 1, and a motor 2 12 is fixedly connected to the top of the support block 11.
[0029] As a technical optimization scheme of the utility model, by setting a support block 11 and a motor 2 12, the support block 11 can support and fix the motor 2 12, and the motor 2 12 is started by the control device 4, so that the motor 2 12 drives the movable shaft 2 13 to rotate, and the steel wire 10 can be wound up, so that the steel wire 10 drives the fixed bar 9 to move upward, and the inner wall of the barrel body 1 is separated by the closed mesh 83.
[0030] refer to Figure 3 The output end of the second motor 12 is fixedly connected to the second movable shaft 13 , and the other end of the steel wire 10 is fixedly connected to the surface of the second movable shaft 13 .
[0031] As a technical optimization scheme of the utility model, by setting a movable shaft 13, the movable shaft 13 is driven to rotate by the motor 12, and the steel wire 10 is rolled up by the movable shaft 13, which can drive the fixed bar 9 to move upward, and the closed mesh cloth 83 is driven upward by the fixed bar 9, which can make closing more convenient and will not get stuck.
[0032] refer to Figure 3 The top of the barrel body 1 and the top of the inner wall of the fixed box 7 are both fixedly connected with a bracket 14, and one side of the bracket 14 is movably connected with a limiting roller 15.
[0033] As a technical optimization scheme of the utility model, a bracket 14 and a limiting roller 15 are provided, and the limiting roller 15 is supported by the bracket 14. The limiting roller 15 rotates so that the friction of the moving steel wire 10 and the closed mesh 83 can be reduced during movement, making the movement more stable.
[0034] refer to Figure 2 A smoke sensor 16 is fixedly connected to the right side of the bottom of the fixed block 5, and an alarm 17 located on the right side of the supporting block 11 is fixedly connected to the top of the barrel body 1.
[0035] As a technical optimization solution of the utility model, by setting up a smoke sensor 16 and an alarm 17, the smoke sensor 16 sends a signal to the control device 4 when smoke is detected inside the barrel body 1, and the alarm 17 is activated by the control device 4 to sound an alarm, reminding the surrounding staff to carry out maintenance.
[0036] refer to Figure 4 Grooves 18 are provided on both sides of the fixing strip 9 , and rollers 19 are movably connected to the inner walls of the grooves 18 .
[0037] As a technical optimization solution of the utility model, by setting the groove 18 and the roller 19, the groove 18 can provide space for the roller 19 to move and limit the roller 19. When the fixed bar 9 moves, the roller 19 rotates to reduce the friction between the fixed bar 9 and the limiting bar 3, so that the fixed bar 9 can move more smoothly.
[0038] The working principle and use process of the utility model are as follows: when in use, the cone block temperature sensor 6 detects high temperature and sends a signal to the control device 4, and then the control device 4 starts the motor 1 82 to drive the movable shaft 1 81 to rotate to reel in the closed mesh cloth 83, so that the ventilation of the barrel body 1 can be restored after the closed mesh cloth 83 closes the barrel body 1, and when the closed mesh cloth 83 moves upward, the edge of the closed mesh cloth 83 is limited by the limiting strip 3 to prevent the closed mesh cloth 83 from bending, and the fixed strip 9 is driven upward by the steel wire 10, and then the fixed strip 9 drives the closed mesh cloth 83 to move upward to separate the inner wall of the barrel body 1, and the support block 11 can support and fix the motor 2 12, and the motor 2 12 is started by the control device 4, so that the motor 2 12 drives the movable shaft 2 13 to rotate, so that the steel wire 10 can be reeled, so that the steel wire 10 drives the fixed strip 9 to move upward, and the barrel body 1 is sealed by the closed mesh cloth 83. The inner wall is separated, and the movable shaft 13 is driven to rotate by the motor 2 12. The steel wire 10 is rolled up by the movable shaft 13, which can drive the fixed bar 9 to move upward, and the closed mesh 83 is driven to move upward by the fixed bar 9, which can be more convenient when closing and will not get stuck. The limiting roller 15 is supported by the bracket 14, and the moving steel wire 10 and the closed mesh 83 can reduce friction when moving through the limiting roller 15, making the movement more stable. The smoke sensor 16 sends a signal to the control device 4 when smoke is detected inside the barrel body 1, and the alarm 17 is activated by the control device 4 to sound an alarm, reminding the surrounding staff to perform maintenance. The groove 18 can provide space for the roller 19 to move and limit the roller 19. When the fixed bar 9 moves, the roller 19 rotates to reduce the friction between the fixed bar 9 and the limiting bar 3, so that the fixed bar 9 can move more smoothly.
[0039] To sum up: this fire damper used in ventilation engineering, by setting a cone block temperature sensor 6, after the cone block temperature sensor 6 detects high temperature, it sends a signal to the control device 4, and then starts the closing mechanism 8 through the control device 4 to separate the inside of the barrel body 1 to block the spread of smoke, thereby solving the problem that the existing fire damper rotates the blades through the linkage mechanism to close the fire damper when in use, and the linkage mechanism will get stuck during transmission due to corrosion when not used for a long time, resulting in the blades being unable to close normally.
[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A fire damper for ventilation engineering, comprising a barrel (1), a through hole (2), a limit strip (3), a control device (4), a fixing block (5), a cone block temperature sensor (6) and a fixing box (7), characterized in that: The through holes (2) are formed on both sides of the barrel body (1), the limit strips (3) are fixedly connected to both sides of the inner wall of the barrel body (1), the control device (4) is fixedly connected to the left side of the top of the barrel body (1), the fixed block (5) is fixedly connected to the left side of the inner wall of the barrel body (1), the cone block temperature sensor (6) is fixedly connected to the left side of the top of the inner wall of the barrel body (1), the fixed box (7) is fixedly connected to the bottom of the barrel body (1), and the inner wall of the fixed box (7) is movably connected to a closing mechanism (8); The closing mechanism (8) comprises a movable shaft (81), the movable shaft (81) being movably connected to the inner wall of the fixed box (7), a motor (82) being fixedly connected to the rear side of the fixed box (7), an output end of the motor (82) being fixedly connected to the rear side of the movable shaft (81), and one end of a closing mesh (83) being fixedly connected to the surface of the movable shaft (81), the closing mesh (83) being wound around the surface of the movable shaft (81).
2. A fire damper for ventilation engineering according to claim 1, characterized in that: The inner wall of the limiting strip (3) is movably connected to a fixing strip (9), the other end of the closed mesh cloth (83) is fixedly connected to the bottom of the fixing strip (9), and the top of the fixing strip (9) is fixedly connected to one end of a steel wire (10).
3. A fire damper for ventilation engineering according to claim 2, characterized in that: A support block (11) is fixedly connected to the right side of the top of the barrel body (1), and a motor 2 (12) is fixedly connected to the top of the support block (11).
4. A fire damper for ventilation engineering according to claim 3, characterized in that: The output end of the second motor (12) is fixedly connected to the second movable shaft (13), and the other end of the steel wire (10) is fixedly connected to the surface of the second movable shaft (13).
5. The fire damper for ventilation engineering according to claim 1, characterized in that: The top of the barrel body (1) and the top of the inner wall of the fixed box (7) are both fixedly connected with a bracket (14), and one side of the bracket (14) is movably connected with a limiting roller (15).
6. A fire damper for ventilation engineering according to claim 3, characterized in that: A smoke sensor (16) is fixedly connected to the right side of the bottom of the fixed block (5), and an alarm (17) located on the right side of the supporting block (11) is fixedly connected to the top of the barrel body (1).
7. A fire damper for ventilation engineering according to claim 2, characterized in that: Grooves (18) are provided on both sides of the fixing strip (9), and rollers (19) are movably connected to the inner walls of the grooves (18).