Fireproof valve convenient to disassemble and assemble

Abstract

The utility model belongs to the technical field of fireproof valves, and provides a fireproof valve convenient to disassemble and assemble, which comprises a lower box body and an upper box body, the lower box body is fixedly connected with a supporting plate, the supporting plate is fixedly connected with a motor, the motor is fixedly connected with a rotating shaft I in a penetrating manner, the rotating shaft I is rotatably connected to the lower box body in a penetrating manner, and the rotating shaft I is fixedly connected with a rotating shaft II in a penetrating manner. The two ends of the first rotating shaft are fixedly connected with limiting plates. The motor drives the first rotating shaft to rotate to enable the limiting plate to rotate, the first rotating shaft rotates to drive the driving gear to rotate to enable the second rotating shaft to rotate, the second rotating shaft rotates to drive the limiting plate to rotate, the first rotating shaft rotates to drive the fireproof belt to loosen on the first rotating shaft, and the second rotating shaft rotates to drive the fireproof belt to loosen on the second rotating shaft. The fireproof belt slides to drive the rotating shaft to rotate so that the telescopic belt can be wound around the rotating shaft, the valve opening is closed through sliding of the fireproof belt, a fire source and smoke dust are blocked, and it is guaranteed that the position without the fire source is safe and smokeless.

Description

Technical Field

[0001] The utility model relates to the field of fire dampers, in particular to a fire damper which is convenient to assemble and disassemble. Background Art

[0002] Fire dampers that are easy to disassemble and assemble are mainly used as an important fire-fighting equipment and play a key role in commercial and residential buildings. With the improvement of building safety awareness and the improvement of fire protection regulations, the fire damper and smoke exhaust valve industry has gradually matured and the market size has continued to expand.

[0003] Traditional fire dampers and smoke exhaust dampers still have defects during use, such as the inability to block smoke while blocking the fire source, inconvenient disassembly, and high maintenance costs, which need to be solved urgently. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a fire damper which is convenient for disassembly and assembly.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fire damper that is easy to disassemble and assemble, comprising a lower box body and an upper box body, the lower box body is fixedly connected with a support plate, the support plate is fixedly connected with a motor, the motor is penetrated and fixedly connected with a rotating shaft 1, the rotating shaft 1 is penetrated and rotatably connected to the lower box body, both ends of the rotating shaft 1 are fixedly connected with a limiting plate, the end of the rotating shaft 1 close to the motor is penetrated and fixedly connected with a driving gear, the driving gear is meshed and connected with a driven gear, the driven gear is penetrated and fixedly connected with a rotating shaft 2, the rotating shaft 2 is penetrated and rotatably connected to the lower box body, a fireproof belt is hinged on the rotating shaft 1, and the fireproof belt is provided with two groups, one group of fireproof belts is hinged on the rotating shaft 2, the end of the fireproof belt away from the rotating shaft 1 is hinged with a sliding shaft, the end of the sliding shaft away from the fireproof belt is hinged with a telescopic belt, the telescopic belt is slidably connected in the limiting shell, the rotating shaft is penetrated and rotatably connected in the limiting shell, and the end of the telescopic belt away from the sliding shaft is fixedly connected to the rotating shaft.

[0006] As a further description of the above technical solution:

[0007] The upper frame is fixedly connected to both sides of the upper box body, one end of the upper frame is fixedly connected to a threaded block 1, and the lower frame is fixedly connected to both sides of the lower box body. The threaded block 1 is provided with several groups, and two groups of the threaded block 1 are fixedly connected to one end of the lower frame. A fixing frame is provided on the side of the upper frame away from the upper box body, and both ends of the fixing frame are fixedly connected to threaded block 2, and the threaded block 2 is threadedly connected with bolts, and the bolts are threadedly connected to the threaded block 1, and the end of the bolt close to the threaded block 1 is threadedly connected with a nut, the bottom of the lower box body is threadedly connected with an air cooler, and one side of the upper box body is threadedly connected with an exhaust fan.

[0008] As a further description of the above technical solution:

[0009] One end of the rotating shaft 1 away from the motor is fixedly connected with a sleeve rod, and the sleeve rod is provided with two groups, and one group of the sleeve rods is fixedly connected to one end of the rotating shaft 2.

[0010] As a further description of the above technical solution:

[0011] The limit plates are provided with four groups, two groups of the limit plates are fixedly connected to the two ends of the second rotating shaft, the limit plates are located on the inner side of the lower box body, and the driving gear and the driven gear are located on the outer side of the lower box body.

[0012] As a further description of the above technical solution:

[0013] The fireproof belt is slidably connected to the lower box body and the upper box body, the sliding shaft is slidably connected to the lower box body and the upper box body, the telescopic belt is slidably connected to the upper box body, and the limit shell is fixedly connected to the upper box body.

[0014] As a further description of the above technical solution:

[0015] Two groups of the threaded blocks 1 are fixedly connected to the two sides of the upper frame, and the threaded blocks 2 are provided with a plurality of groups, and the two groups of the threaded blocks 2 are fixedly connected to the two sides of the lower frame.

[0016] As a further description of the above technical solution:

[0017] The material of the fireproof belt is a thin stainless steel plate, and the material of the telescopic belt is a soft steel strip.

[0018] With the above structure, the utility model has the following advantages:

[0019] 1. In the utility model, the motor drives the first shaft to rotate so that the limit plate rotates, the first shaft drives the driving gear to rotate so that the second shaft rotates, the second shaft drives the limit plate to rotate, the first shaft drives the fire belt to loosen on the first shaft, the second shaft drives the fire belt to loosen on the second shaft, the rotating shaft is driven to rotate by sliding the fire belt so that the telescopic belt is rolled up on the rotating shaft, the valve port is closed by sliding the fire belt, the fire source and smoke are blocked, and the place without fire source is guaranteed to be safe and smoke-free.

[0020] 2. In the utility model, the fireproof belt is cooled by a cold air blower to prevent the fireproof belt from being deformed by long-term high temperature. The high-temperature gas is discharged by the exhaust fan. When the fire source disappears, the valve mouth is opened by starting the fireproof belt to reverse. When disassembly is required, all bolts and nuts are unscrewed, and the sliding shaft and telescopic belt are disassembled at the same time. The fixed frame, upper frame, lower box body and upper box body are disassembled, which is convenient for replacing the fireproof belt and separating the device from the pipeline, thereby reducing the cost of maintenance and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a three-dimensional structural diagram of a fire damper that is easy to disassemble and assemble proposed by the utility model;

[0022] Figure 2 This is a rear perspective view of a fire damper that is easy to disassemble and assemble proposed by the utility model;

[0023] Figure 3 This is a partial three-dimensional structural diagram of a fire damper that is easy to disassemble and assemble proposed by the utility model;

[0024] Figure 4 This is a partial structural cross-sectional view of a fire damper that is convenient for disassembly and assembly proposed by the utility model;

[0025] Figure 5 The utility model provides a local structure explosion-proof fire damper which is convenient for disassembly and assembly. Figure 1 ;

[0026] Figure 6 The utility model provides a local structure explosion-proof fire damper which is convenient for disassembly and assembly. Figure 2 .

[0027] Legend:

[0028] 1. Lower box; 2. Upper box; 3. Support plate; 4. Motor; 5. Rotating shaft 1; 6. Limit plate; 7. Driving gear; 8. Driven gear; 9. Rotating shaft 2; 10. Fireproof belt; 11. Sliding shaft; 12. Telescopic belt; 13. Limit shell; 14. Rotating shaft; 15. Upper frame; 16. Threaded block 1; 17. Threaded block 2; 18. Bolt; 19. Nut; 20. Lower frame; 21. Fixed frame; 22. Air cooler; 23. Exhaust fan; 24. Sleeve rod. DETAILED DESCRIPTION

[0029] 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.

[0030] Reference Figure 1-Figure 6 The utility model provides an embodiment: a fire damper that is easy to disassemble and assemble, including a lower box body 1 and an upper box body 2. The lower box body 1 is fixedly connected with a support plate 3, and the support plate 3 is fixedly connected with a motor 4. The motor 4 is penetrated and fixedly connected with a rotating shaft 5, and the rotating shaft 5 is penetrated and rotatably connected to the lower box body 1. The two ends of the rotating shaft 5 are fixedly connected with a limiting plate 6. The end of the rotating shaft 5 close to the motor 4 is penetrated and fixedly connected with a driving gear 7, and the driving gear 7 is meshingly connected with a driven gear 8. The driven gear 8 is penetrated and fixedly connected with a rotating shaft 2 9, and the rotating shaft 2 9 is penetrated and rotatably connected to the lower box body 1. A fireproof belt 10 is hinged on the rotating shaft 5. The fireproof belt 10 is provided with two groups, and one group of fireproof belts 10 is hinged on the rotating shaft 2 9. The end of the fireproof belt 10 away from the rotating shaft 5 is hinged with a sliding shaft 11, and the sliding shaft 11 is far away from the rotating shaft A telescopic belt 12 is hinged at one end away from the fireproof belt 10, and the telescopic belt 12 is slidably connected to the limit shell 13. A rotating shaft 14 is rotatably connected to the limit shell 13, and the end of the telescopic belt 12 away from the sliding shaft 11 is fixedly connected to the rotating shaft 14. The motor 4 drives the rotating shaft 15 to rotate to rotate the limit plate 6, and the rotating shaft 15 drives the driving gear 7 to rotate to rotate the rotating shaft 2 9, and the rotating shaft 2 9 drives the limit plate 6 to rotate. The rotation of the rotating shaft 15 drives the fireproof belt 10 to loosen on the rotating shaft 15, and the rotation of the rotating shaft 2 9 drives the fireproof belt 10 to loosen on the rotating shaft 2 9. The sliding of the fireproof belt 10 drives the rotating shaft 14 to rotate so that the telescopic belt 12 is wound on the rotating shaft 14, and the valve mouth is closed by the sliding of the fireproof belt 10 to block the fire source and smoke, thereby ensuring safety and smoke-free in places without fire sources.

[0031] The upper box body 2 is fixedly connected with an upper frame 15 on both sides, and a threaded block 16 is fixedly connected to one end of the upper frame 15. The lower box body 1 is fixedly connected with a lower frame 20 on both sides. The threaded block 16 is provided with a plurality of groups, and two groups of threaded blocks 16 are fixedly connected to one end of the lower frame 20. A fixed frame 21 is provided on the side of the upper frame 15 away from the upper box body 2. The two ends of the fixed frame 21 are fixedly connected with threaded blocks 17. The threaded block 17 is threadedly connected with bolts 18, and the bolts 18 are threadedly connected to the threaded block 16. The bolt 18 is threadedly connected to a nut 19 at one end near the threaded block 16, a cooling fan 22 is fixedly connected to the bottom of the lower box body 1, an exhaust fan 23 is fixedly connected to one side of the upper box body 2, a sleeve rod 24 is fixedly connected to the end of the rotating shaft 1 5 away from the motor 4, and the sleeve rod 24 is provided with two groups, one group of sleeve rods 24 is fixedly connected to one end of the rotating shaft 2 9, and the limit plate 6 is provided with four groups, and the two groups of limit plates 6 are fixedly connected to the two ends of the rotating shaft 2 9, and the limit plate 6 is located on the inner side of the lower box body 1, and the driving gear 7 and the driven gear 8 are located at the lower The outer side of the lower box body 1, the fireproof belt 10 penetrates and slides in the lower box body 1 and the upper box body 2, the sliding shaft 11 penetrates and slides in the lower box body 1 and the upper box body 2, the telescopic belt 12 penetrates and slides in the upper box body 2, the limit shell 13 penetrates and is fixedly connected in the upper box body 2, two groups of threaded blocks 16 are fixedly connected to both sides of the upper frame 15, and the threaded blocks 17 are provided with a plurality of groups, and the two groups of threaded blocks 17 are fixedly connected to both sides of the lower frame 20. The material of the fireproof belt 10 is a thin stainless steel plate, and the telescopic belt 12 The material is a soft steel bar. The fireproof belt 10 is cooled by the air cooler 22 to prevent the fireproof belt 10 from being deformed by long-term high temperature. The high-temperature gas is discharged by the exhaust fan 23, and the fire source disappears by starting the fireproof belt 10 to reverse and open the valve mouth. When disassembly is required, all bolts 18 and nuts 19 are unscrewed, and the sliding shaft 11 and telescopic belt 12 are disassembled at the same time. The fixed frame 21, the upper frame 15, the lower box 1, and the upper box 2 are disassembled to facilitate the replacement of the fireproof belt 10 and the separation of the device and the pipeline, thereby reducing the cost of maintenance and replacement.

[0032] Working principle: When fire prevention is required, the motor 4 is started to drive the shaft 15 to rotate, and the rotation of the shaft 15 drives the limit plate 6 to rotate, and the rotation of the shaft 15 drives the driving gear 7 to rotate, and the driven gear 8 is driven by the driving gear 7. The shaft 2 9 is driven to rotate, and the limit plate 6 is driven by the rotation of the driven gear 8. The fireproof belt 10 is loosened on the shaft 15 by the rotation of the shaft 15, and the fireproof belt 10 is loosened on the shaft 2 9 by the rotation of the shaft 2 9. The fireproof belt 10 slides in the lower box body 1 and the upper box body 2, and the sliding shaft 11 slides in the lower box body 1 and the upper box body 2. The sliding of the sliding shaft 11 drives the telescopic belt 12 to slide in the upper box body 2 and the limit shell 13, and the sliding of the telescopic belt 12 drives the shaft 1 4 rotates, and the retractable belt 12 is rolled up on the retractable shaft 14 by rotating the rotating shaft 14, and the valve mouth is closed by sliding the fireproof belt 10 to block the fire source and smoke. At the same time, the cold air blower 22 is started to blow out cold air to cool the fireproof belt 10 to prevent the fireproof belt 10 from being deformed by long-term high temperature. The high-temperature gas is discharged by the exhaust fan 23, and the fire source disappears. The valve mouth is opened by reversing the fireproof belt 10. When disassembly is required, all bolts 18 and nuts 19 are unscrewed, and the sliding shaft 11 and the retractable belt 12 are disassembled at the same time, and the fixed frame 21, the upper frame 15, the lower box 1, and the upper box 2 are disassembled, so as to facilitate the replacement of the fireproof belt 10 and the separation of the device and the pipeline. Since the material of the retractable belt 12 is a soft steel bar, the winding and tightening function is similar to a spring, and it can be automatically retracted.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fire damper that is easy to disassemble and assemble, comprising a lower box (1) and an upper box (2), characterized in that: The lower housing (1) is fixedly connected with a support plate (3), the support plate (3) is fixedly connected with a motor (4), the motor (4) is penetrated and fixedly connected with a rotating shaft (5), the rotating shaft (5) is penetrated and rotatably connected with the lower housing (1), both ends of the rotating shaft (5) are fixedly connected with limit plates (6), the end of the rotating shaft (5) close to the motor (4) is penetrated and fixedly connected with a driving gear (7), the driving gear (7) is meshingly connected with a driven gear (8), the driven gear (8) is penetrated and fixedly connected with a rotating shaft (9), the rotating shaft (9) is penetrated and rotatably connected with the lower housing ( 1), a fireproof belt (10) is hinged on the rotating shaft one (5), and the fireproof belt (10) is provided with two groups. One group of the fireproof belts (10) is hinged on the rotating shaft two (9), and the end of the fireproof belt (10) away from the rotating shaft one (5) is hinged with a sliding shaft (11), and the end of the sliding shaft (11) away from the fireproof belt (10) is hinged with a telescopic belt (12), and the telescopic belt (12) is slidably connected to a limit shell (13), and a rotating shaft (14) is rotatably connected through the limit shell (13), and the end of the telescopic belt (12) away from the sliding shaft (11) is fixedly connected to the rotating shaft (14).

2. The fire damper that is easy to disassemble and assemble according to claim 1, characterized in that: The upper box body (2) is fixedly connected to an upper frame (15) on both sides, and a threaded block (16) is fixedly connected to one end of the upper frame (15). The lower box body (1) is fixedly connected to a lower frame (20) on both sides, and the threaded block (16) is provided in a plurality of groups, and two groups of the threaded block (16) are fixedly connected to one end of the lower frame (20). A fixed frame (21) is provided on one side of the upper frame (15) away from the upper box body (2). The two ends of the fixed frame (21) are fixedly connected with threaded blocks 2 (17), the threaded blocks 2 (17) are threadedly connected with bolts (18), the bolts (18) are threadedly connected to threaded blocks 1 (16), the ends of the bolts (18) close to the threaded blocks 1 (16) are threadedly connected with nuts (19), the bottom of the lower box body (1) is threadedly connected with a cooling fan (22), and one side of the upper box body (2) is threadedly connected with an exhaust fan (23).

3. The fire damper that is easy to disassemble and assemble according to claim 2, characterized in that: One end of the rotating shaft 1 (5) away from the motor (4) is fixedly connected with a sleeve rod (24), and the sleeve rod (24) is provided with two groups, and one group of the sleeve rods (24) is fixedly connected to one end of the rotating shaft 2 (9).

4. The fire damper that is easy to disassemble and assemble according to claim 3 is characterized in that: The limit plates (6) are provided in four groups, two groups of the limit plates (6) are fixedly connected to the two ends of the second rotating shaft (9), the limit plates (6) are located on the inner side of the lower box body (1), and the driving gear (7) and the driven gear (8) are located on the outer side of the lower box body (1).

5. The fire damper that is easy to disassemble and assemble according to claim 4 is characterized in that: The fireproof belt (10) is slidably connected to the lower box body (1) and the upper box body (2), the sliding shaft (11) is slidably connected to the lower box body (1) and the upper box body (2), the telescopic belt (12) is slidably connected to the upper box body (2), and the limit shell (13) is fixedly connected to the upper box body (2).

6. The fire damper that is easy to disassemble and assemble according to claim 5, characterized in that: The two groups of threaded blocks (16) are fixedly connected to the two sides of the upper frame (15), and the threaded blocks (17) are provided in a plurality of groups. The two groups of threaded blocks (17) are fixedly connected to the two sides of the lower frame (20).

7. The fire damper that is easy to disassemble and assemble according to claim 6, characterized in that: The material of the fireproof belt (10) is a thin stainless steel plate, and the material of the telescopic belt (12) is a soft steel strip.

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