Smoke exhaust fireproof valve capable of efficiently exhausting smoke

Abstract

The utility model provides a smoke exhaust fire damper capable of efficiently exhausting smoke, which relates to the field of smoke exhaust fire dampers and comprises a smoke exhaust fire damper body, the outer wall of the smoke exhaust fire damper body is fixedly connected with one side of an execution device, and the inside of the smoke exhaust fire damper body is rotatably connected with the bottom of a blade. The two sides of the smoke exhaust fireproof valve body are fixedly connected with one side of a mounting frame, auxiliary smoke exhaust mechanisms are arranged on the two sides of the inner wall of the mounting frame, and auxiliary supporting mechanisms are arranged on the upper side and the lower side of the mounting frame. According to the device, the smoke exhaust fan rotates to generate suction force, then the flowing speed of air in the smoke exhaust fireproof valve body is increased, smoke is driven to be exhausted faster, the smoke exhaust efficiency of the device body is improved, the device can efficiently exhaust smoke, the outer wall of the exhaust pipe is extruded through the clamping blocks, then the smoke exhaust fireproof valve body is stabilized, and the smoke exhaust fireproof valve body is more stable. The stability of the device after installation is improved, and the phenomenon that the device is loosened and falls off due to the external effect is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a smoke exhaust fire damper technical field especially relates to a kind of smoke exhaust fire dampers of high efficiency smoke exhaust. BACKGROUND

[0002] Smoke exhaust fire damper is a kind of fire-fighting components installed on the mechanical smoke exhaust system pipeline, which can meet the requirements of fire resistance stability and fire resistance integrity within a certain time, and plays a role in preventing the spread of fire. Smoke exhaust fire dampers are also installed on the smoke exhaust system pipeline in air conditioning equipment.

[0003] In the prior art, the smoke exhaust fire damper is arranged on the smoke exhaust pipeline. Since the smoke exhaust fire damper body only blocks or releases smoke, it is linked with the smoke exhaust fan and the air supply fan for smoke exhaust, which greatly reduces the efficiency of smoke exhaust. In addition, since the smoke exhaust fire damper is installed on the smoke exhaust pipeline by bolts, the simple bolt structure cannot ensure the stability of the smoke exhaust fire damper above the smoke exhaust pipeline. Under the action of external factors, the smoke exhaust fire damper may loosen or fall off. SUMMARY

[0004] The utility model aims at providing a smoke exhaust fire damper with high efficiency smoke exhaust to solve the problems of low smoke exhaust efficiency of the smoke exhaust fire damper itself, poor stability of the smoke exhaust fire damper above the smoke exhaust pipeline, and loosening or falling off of the smoke exhaust fire damper under the action of external factors.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: it comprises a smoke exhaust fire damper body, the outer wall of the smoke exhaust fire damper body is fixedly connected with one side of an execution device, the inside of the smoke exhaust fire damper body is rotatably connected with the bottom of a blade, both sides of the smoke exhaust fire damper body are fixedly connected with one side of a mounting bracket, the inner wall of the mounting bracket is provided with an auxiliary smoke exhaust mechanism on both sides, the auxiliary smoke exhaust mechanism comprises an auxiliary bracket, a smoke exhaust port, a fixing bracket, a driving motor and a smoke exhaust fan, and the upper and lower sides of the mounting bracket are provided with an auxiliary supporting mechanism, the auxiliary supporting mechanism comprises an L-shaped supporting bracket, an extension plate, a storage groove, an internal threaded block, an external threaded rod, a rotating knob and a clamping block.

[0006] As a preferred embodiment, the inner wall of the mounting bracket is fixedly connected with one side of the auxiliary bracket on both sides, and the upper and lower sides of the auxiliary bracket are provided with a smoke exhaust port.

[0007] As a preferred embodiment, the inside of the smoke exhaust port is fixedly connected with the outer wall of the fixing bracket, and one side of the fixing bracket is fixedly connected with one end of the shell of the driving motor.

[0008] As a preferred implementation form, the output end of the driving motor is fixedly connected with one end of the smoke exhaust fan through a shaft coupling, and the auxiliary frame is arranged on the inner wall of the mounting frame close to the air exhaust of the smoke exhaust fire damper valve body.

[0009] As a preferred implementation form, the upper and lower sides of the mounting frame are fixedly connected with one side of the L-shaped support frame, and the side of the L-shaped support frame away from the mounting frame is fixedly connected with one side of the extension plate.

[0010] As a preferred implementation form, the inside of the extension plate is provided with a receiving groove, and one side of the extension plate is fixedly connected with one side of the internal threaded block.

[0011] As a preferred implementation form, the inner wall of the internal threaded block is threadedly connected with the outer wall of the external threaded rod, and one end of the external threaded rod is fixedly connected with one end of the rotating knob.

[0012] As a preferred implementation form, the other end of the external threaded rod is fixedly connected with one end of the clamping block, and the outer wall of the clamping block is movably connected with the inner wall of the receiving groove.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] 1. In the smoke exhaust process, the driving motor is turned on to drive the smoke exhaust fan to rotate, the smoke exhaust fan generates suction force during rotation, thereby increasing the flow speed of the air inside the smoke exhaust fire damper valve body, and the smoke is discharged faster, the efficiency of the smoke exhaust of the device body is increased, and the device can efficiently exhaust smoke.

[0015] 2. The smoke exhaust fire damper valve body is installed between the air exhaust pipes through the mounting frame and the bolts, the extension plate is located on the upper and lower sides of the air exhaust pipe, the rotating knob is moved towards the outer wall of the air exhaust pipe through the arrangement of the internal threaded block, the external threaded rod moves to drive the clamping block to extrude the outer wall of the air exhaust pipe, thereby stabilizing the smoke exhaust fire damper valve body, the stability of the device after installation is increased, and the phenomenon of loosening and falling off of the device due to external action is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A structure diagram of the smoke exhaust fire damper valve is provided.

[0017] Figure 2 A partial sectional view of the auxiliary smoke exhaust mechanism of the smoke exhaust fire damper valve is provided.

[0018] Figure 3 A sectional view of the auxiliary support mechanism of the smoke exhaust fire damper valve is provided.

[0019] Figure 4 The utility model provides an extension plate schematic view of smoke exhaust fire damper of high efficiency smoke exhaust.

[0020] Legend:

[0021] 1, smoke exhaust fire damper valve body, 2, executing device, 3, blade, 4, mounting bracket, 5, auxiliary smoke exhaust mechanism, 501, auxiliary frame, 502, smoke exhaust port, 503, fixed frame, 504, drive motor, 505, smoke exhaust fan, 6, auxiliary support mechanism, 601, L type support frame, 602, extension plate, 603, storage groove, 604, internal thread block, 605, external thread rod, 606, rotating knob, 607, clamping block. Specific embodiments

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and 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 scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a technical scheme: including: smoke exhaust fire damper valve body 1, the outer wall of smoke exhaust fire damper valve body 1 is fixedly connected with one side of executing device 2, the inside of smoke exhaust fire damper valve body 1 is rotatably connected with the bottom of blade 3, both sides of smoke exhaust fire damper valve body 1 are fixedly connected with one side of mounting bracket 4, the inner wall both sides of mounting bracket 4 are provided with auxiliary smoke exhaust mechanism 5, auxiliary smoke exhaust mechanism 5 includes auxiliary frame 501, smoke exhaust port 502, fixed frame 503, drive motor 504 and smoke exhaust fan 505, and the upper and lower sides of mounting bracket 4 are provided with auxiliary support mechanism 6, auxiliary support mechanism 6 includes L type support frame 601, extension plate 602, storage groove 603, internal thread block 604, external thread rod 605, rotating knob 606 and clamping block 607.

[0024] In an embodiment, the inner wall both sides of mounting bracket 4 are fixedly connected with one side of auxiliary frame 501, and the upper and lower sides of auxiliary frame 501 are provided with smoke exhaust port 502.

[0025] Specifically: the volume of auxiliary frame 501 is small, so that auxiliary frame 501 will not affect the normal use of the device, and executing device 2 is 280 DEG C temperature sensing fuse type executing mechanism.

[0026] In an embodiment, the inside of smoke exhaust port 502 is fixedly connected with the outer wall of fixed frame 503, and one side of fixed frame 503 is fixedly connected with one end of the shell of drive motor 504.

[0027] Specifically, the driving motor 504 drives the smoke exhaust fan 505 to rotate, the smoke exhaust fan 505 rotates to generate suction, and the flow speed of the air in the smoke exhaust fire damper valve body 1 is increased.

[0028] In one embodiment, the output end of the driving motor 504 is fixedly connected to one end of the smoke exhaust fan 505 through a shaft coupling, and the auxiliary frame 501 is arranged on the inner wall of the mounting frame 4 near the air outlet of the smoke exhaust fire damper valve body 1.

[0029] Specifically, the efficiency of the device body for smoke exhaust is improved, so that the device can efficiently exhaust smoke.

[0030] In one embodiment, the upper and lower sides of the mounting frame 4 are fixedly connected to one side of the L-shaped support frame 601, and the side of the L-shaped support frame 601 away from the mounting frame 4 is fixedly connected to one side of the extension plate 602.

[0031] Specifically, the extension plate 602 can be more stably in contact with the outer wall of the air exhaust duct through the arrangement of the L-shaped support frame 601.

[0032] In one embodiment, the extension plate 602 is internally provided with a receiving groove 603, and one side of the extension plate 602 is fixedly connected to one side of the internally threaded block 604.

[0033] Specifically, the arrangement of the receiving groove 603 facilitates the storage of the clamping block 607, and avoids the influence of the clamping block 607 on the normal installation of the device.

[0034] In one embodiment, the inner wall of the internally threaded block 604 is threadedly connected to the outer wall of the externally threaded rod 605, and one end of the externally threaded rod 605 is fixedly connected to one end of the rotating knob 606.

[0035] Specifically, rotating the rotating knob 606 enables the rotating knob 606 to move towards the outer wall of the air exhaust duct through the arrangement of the internally threaded block 604.

[0036] In one embodiment, the other end of the externally threaded rod 605 is fixedly connected to one end of the clamping block 607, and the outer wall of the clamping block 607 is movably connected to the inner wall of the receiving groove 603.

[0037] Specifically, the externally threaded rod 605 moves to drive the clamping block 607 to extrude the outer wall of the air exhaust duct, thereby stabilizing the smoke exhaust fire damper valve body 1.

[0038] Working principle: the smoke exhaust fire damper valve body 1 is installed between the exhaust duct through the mounting bracket 4 and bolt, so that the extension plate 602 is located at the upper and lower sides of the exhaust duct respectively, the rotating knob 606 drives the outer threaded rod 605 to rotate, the inner threaded block 604 is arranged to make the outer threaded rod 605 move towards the outer wall of the exhaust duct, the outer threaded rod 605 moves to drive the clamping block 607 to extrude the outer wall of the exhaust duct, thereby stabilizing the smoke exhaust fire damper valve body 1, in the smoke exhaust process, the driving motor 504 drives the smoke exhaust fan 505 to rotate, the smoke exhaust fan 505 rotates to generate suction, thereby increasing the flow speed of the air in the smoke exhaust fire damper valve body 1, thereby driving the smoke to be discharged faster.

[0039] The above is only the preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields. However, any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A smoke evacuation fire damper for efficient smoke evacuation, characterized by, The application relates to a smoke exhaust fire prevention valve body (1), one side of the outer wall of which is fixedly connected with an executing device (2), the inner part of the smoke exhaust fire prevention valve body (1) is rotationally connected with the bottom of a vane (3), both sides of the smoke exhaust fire prevention valve body (1) are fixedly connected with one side of a mounting rack (4), the inner wall of the mounting rack (4) is provided with auxiliary smoke exhaust mechanisms (5) on both sides, the auxiliary smoke exhaust mechanisms (5) comprise auxiliary racks (501), smoke exhaust ports (502), fixing racks (503), driving motors (504) and smoke exhaust fans (505), auxiliary supporting mechanisms (6) are arranged on the upper and lower sides of the mounting rack (4), the auxiliary supporting mechanisms (6) comprise L-shaped supporting racks (601), extension plates (602), storage grooves (603), internally-threaded blocks (604), externally-threaded rods (605), rotating knobs (606) and clamping blocks (607). The inner wall of the mounting rack (4) is fixedly connected with one side of the auxiliary rack (501), and the upper and lower sides of the auxiliary rack (501) are provided with the smoke exhaust ports (502).

2. The smoke evacuation fire damper of claim 1, wherein: The inner part of the smoke exhaust port (502) is fixedly connected with the outer wall of the fixing rack (503), and one side of the fixing rack (503) is fixedly connected with one end of the shell of the driving motor (504).

3. A high efficiency smoke exhaust fire damper valve according to claim 2, wherein: The output end of the driving motor (504) is fixedly connected with one end of the smoke exhaust fan (505) through a shaft coupling, and the auxiliary rack (501) is arranged on the inner wall of the mounting rack (4) close to the smoke exhaust port of the smoke exhaust fire prevention valve body (1).

4. The high efficiency smoke exhaust fire damper valve of claim 3, wherein: The upper and lower sides of the mounting rack (4) are fixedly connected with one side of the L-shaped supporting rack (601), and one side of the L-shaped supporting rack (601) away from the mounting rack (4) is fixedly connected with one side of the extension plate (602).

5. The high efficiency smoke exhaust fire damper valve of claim 1, wherein: The inner part of the extension plate (602) is provided with the storage groove (603), and one side of the extension plate (602) is fixedly connected with one side of the internally-threaded block (604).

6. A high efficiency smoke exhaust fire damper valve according to claim 5, wherein: The inner wall of the internally-threaded block (604) is in threaded connection with the outer wall of the externally-threaded rod (605), and one end of the externally-threaded rod (605) is fixedly connected with one end of the rotating knob (606).

7. A high efficiency smoke exhaust fire damper valve according to claim 6, wherein: The other end of the externally-threaded rod (605) is fixedly connected with one end of the clamping block (607), and the outer wall of the clamping block (607) is movably connected with the inner wall of the storage groove (603).

8. A high efficiency smoke exhaust fire damper valve according to claim 7, wherein: ​

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