CN219572170U

CN219572170U - Fire engineering fume extractor

Info

Publication number: CN219572170U
Application number: CN202320772213.0U
Authority: CN
Inventors: 闫行; 刘欢
Original assignee: Henan Zhongyuan Fire Engineering Co ltd
Current assignee: Henan Zhongyuan Fire Engineering Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-08-22
Anticipated expiration: 2033-04-10

Abstract

The utility model discloses a smoke exhaust device for fire engineering, which relates to the technical field of fire engineering and comprises a flue; a cross mounting frame is fixed on the inner wall of the flue, a motor is mounted at one end of the cross mounting frame, and a smoke exhaust fan which movably penetrates through the cross mounting frame is fixed at the output end of the motor; one end of the flue is hinged with a baffle; the dust filter plate is arranged at the other end of the flue, and the dust filter plate is arranged at the mounting groove, so that the baffle plate can be completely pushed to be separated from the flue by the smoke exhaust fan, the smoke exhaust efficiency of the flue is improved, the overall practicability is higher, dust in the flue gas entering the flue can be filtered under the action of the dust filter plate, the dust is prevented from entering the flue, the working efficiency and the service life of the motor are prevented from being influenced by the dust, and the smoke exhaust efficiency of the flue is further improved.

Description

Fire engineering fume extractor

Technical Field

The utility model relates to the technical field of fire engineering, in particular to a smoke exhaust device for fire engineering.

Background

In fire engineering, smoke exhaust system is very important component part, and it is the pivot of indoor and outdoor air circulation, mainly plays the effect of outwards discharging indoor flue gas, and the indoor air funnel of intercommunication that sets up in the smoke exhaust system is the smoke exhaust channel, and this smoke exhaust channel is unobstructed for normally open state, therefore when the temperature is lower in winter, outdoor cold wind and cold air get into indoor through this smoke exhaust channel easily, and then can influence indoor temperature.

In the prior art, the utility model with the authorized bulletin number of CN217737441U discloses a fire engineering smoke exhaust device, although a fan in a ventilating funnel can blow a wind-driven plate outwards when being started, separation of a plugging block and a ventilation ring is realized, at the moment, the ventilating funnel is communicated with the inside and the outside of a room, and when the fan is stopped, the ventilating funnel is closed, so that the smoke exhaust device has the function of preventing ventilation of the inside and the outside of the room, and is suitable for warming in winter.

The surface area of the wind-driven plate in the patent is smaller, and in practical application, the fan can possibly move with the wind-driven plate, so that the plugging block cannot be separated from the ventilation ring, and certain limitation exists; and this patent lacks corresponding safeguard for dust in the flue gas can directly influence the fan, thereby influences life and the work efficiency of fan.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a smoke exhaust device for fire engineering.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a fire engineering smoke exhaust apparatus comprising:

a flue;

a cross mounting frame is fixed on the inner wall of the flue, a motor is mounted at one end of the cross mounting frame, and a smoke exhaust fan which movably penetrates through the cross mounting frame is fixed at the output end of the motor;

one end of the flue is hinged with a baffle;

the other end of the flue is provided with a mounting groove, and the mounting groove is provided with a dust filter plate.

As a further scheme of the utility model, a threaded hole communicated with the mounting groove is formed in the outer wall of the flue, a threaded rod is connected in the threaded hole in a threaded manner, a rotating shaft is fixed at one end of the threaded rod, a connecting block is connected at the other end of the threaded rod in a rotating manner, and a fixing block connected with the outer wall of the dust filter plate in a grounding manner is fixed at one end of the connecting block.

As a further scheme of the utility model, one end of the fixed block, which is close to the dust filter plate, is arc-shaped.

As a further scheme of the utility model, one end of the mounting groove is provided with a first sliding groove, a first sliding block is arranged in the first sliding groove, and the connecting block is fixed at one end of the first sliding block.

As a further scheme of the utility model, a connecting plate is fixed on the outer wall of the flue, a second sliding groove is formed in the outer wall of the flue, a second sliding block is installed in the second sliding groove, and a movable plate is fixed at the bottom of the second sliding block.

As a further scheme of the utility model, one end of the connecting plate is fixed with a compression spring, and one end of the compression spring far away from the connecting plate is fixed with the movable plate.

As a further scheme of the utility model, connecting strips are symmetrically fixed on the outer wall of the flue, and rollers are movably arranged between the two connecting strips;

and a limiting groove is formed in the outer wall of the roller.

As a further scheme of the utility model, one end of the movable plate is fixed with a pull rope, and the other end of the pull rope is fixed with the baffle plate;

the stay cord part is located in the spacing groove of gyro wheel.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the motor is started to drive the smoke exhaust fan to work, under the action of the smoke exhaust fan, indoor smoke passes through the flue and impacts the baffle plate, the baffle plate is expanded under pressure and separated from one end of the flue, the compression spring can perform corresponding stretching movement, after the indoor smoke is exhausted, the smoke exhaust fan stops working by closing the motor, the impact force on the baffle plate disappears, and at the moment, the baffle plate is driven to perform shrinkage movement under the action of the elastic force of the compression spring to finally drive the baffle plate to be attached to one end of the flue, so that the sealing work of the flue is achieved.

According to the utility model, the rotating shaft is used for driving the threaded rod, the connecting block and the fixing block to move in the threaded hole, after one end of the fixing block is abutted with the dust filter plate, the dust filter plate can be abutted and fixed at one end of the flue, and dust in flue gas entering the flue can be filtered under the action of the dust filter plate by virtue of the dust filter plate, so that the dust is prevented from entering the flue, the working efficiency and the service life of the motor are prevented from being influenced by the dust, and the smoke discharging efficiency of the flue is further improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1B according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

fig. 4 is a schematic diagram of a smoke exhaust fan according to the present utility model;

fig. 5 is a schematic view of a dust filter board structure in the present utility model.

Reference numerals in the drawings:

1. a flue; 2. a cross mounting rack; 3. a motor; 4. a smoke exhaust fan; 5. a baffle; 6. a mounting groove; 7. a threaded rod; 8. a rotating shaft; 9. a connecting block; 10. a fixed block; 11. a second chute; 12. a second slide block; 13. a movable plate; 14. a connecting plate; 15. a compression spring; 16. a connecting strip; 17. a roller; 18. a limit groove; 19. a pull rope; 20. a dust filter plate.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1:

referring to fig. 1 to 4, the present utility model provides a smoke exhaust device for fire engineering, which comprises a flue 1; a cross mounting frame 2 is fixed on the inner wall of the flue 1, a motor 3 is mounted at one end of the cross mounting frame 2, and a smoke exhaust fan 4 which movably penetrates through the cross mounting frame 2 is fixed at the output end of the motor 3; a baffle 5 is hinged at one end of the flue 1, a connecting plate 14 is fixed on the outer wall of the flue 1, a second sliding chute 11 is formed in the outer wall of the flue 1, a second sliding block 12 is arranged in the second sliding chute 11, a movable plate 13 is fixed at the bottom of the second sliding block 12, a compression spring 15 is fixed at one end of the connecting plate 14, one end, far away from the connecting plate 14, of the compression spring 15 is fixed with the movable plate 13, connecting strips 16 are symmetrically fixed on the outer wall of the flue 1, and idler wheels 17 are movably arranged between the two connecting strips 16; a limiting groove 18 is formed in the outer wall of the roller 17, a pull rope 19 is fixed at one end of the movable plate 13, and the other end of the pull rope 19 is fixed with the baffle plate 5; the stay cord 19 is partially positioned in the limit groove 18 of the roller 17.

Through being provided with spacing groove 18 in the above-mentioned scheme, spacing groove 18 can carry out spacingly to stay cord 19, avoids stay cord 19 to take place the skew at the during operation, has improved baffle 5 job stabilization nature. Meanwhile, the stretching or shrinking path of the compression spring 15 can be limited under the common cooperation of the sliding groove II 11 and the sliding block II 12, so that the deviation of the stretching or shrinking path of the compression spring 15 is avoided, and the working stability of the baffle 5 is further improved.

In actual use, through the starter motor 3, motor 3 drives exhaust fan 4 and works, under the effect of exhaust fan 4, indoor flue gas can pass through flue 1 and impact baffle 5, baffle 5 receives the pressure and can open and break away from with flue 1 one end, compression spring 15 can carry out corresponding tensile motion this moment, after the exhaust of indoor flue gas finishes, through closing motor 3, exhaust fan 4 stop work, the impact force that baffle 5 received disappears this moment, can shrink the motion under compression spring 15's elasticity effect this moment, finally drive baffle 5 and laminating of flue 1 one end, reach the sealed work to flue 1, compare the current, baffle 5 surface area in the utility model is great, make exhaust fan 4 can promote baffle 5 and flue 1 to break away from completely, thereby the efficiency of discharging fume of flue 1 has been improved, holistic practicality is higher.

Example 2:

referring to fig. 1, 4 and 5, the present utility model further provides a smoke exhaust device for fire engineering, wherein a mounting groove 6 is formed at the other end of the flue 1, a dust filter plate 20 is provided at the mounting groove 6, a threaded hole communicated with the mounting groove 6 is formed on the outer wall of the flue 1, a threaded rod 7 is connected in threaded manner in the threaded hole, a rotating shaft 8 is fixed at one end of the threaded rod 7, a connecting block 9 is rotatably connected at the other end of the threaded rod 7, a fixing block 10 grounded to the outer wall of the dust filter plate 20 is fixed at one end of the connecting block 9, one end of the fixing block 10 close to the dust filter plate 20 is arc-shaped, a sliding groove I is formed at one end of the mounting groove 6, a sliding block I is installed inside the sliding groove I, and the connecting block 9 is fixed at one end of the sliding block I.

In this embodiment, through being provided with spout one, slider one, can carry out spacingly to the travel path of connecting block 9 under the cooperation of spout one, slider one to avoid connecting block 9, fixed block 10 to take place the skew at the removal in-process, improved the fixed effect of fixed block 10 to dust filter 20.

Meanwhile, as one end of the fixing block 10, which is close to the dust filter plate 20, is arc-shaped, the arc-shaped fixing block 10 can be better attached to the outer wall of the dust filter plate 20, so that the fixing effect of the fixing block 10 on the dust filter plate 20 is further improved.

Specifically, the rotating shaft 8 is rotated, the threaded rod 7, the connecting block 9 and the fixing block 10 are driven by the rotating shaft 8 to move in the threaded hole, after one end of the fixing block 10 is abutted with the dust filter plate 20, the dust filter plate 20 can be abutted and fixed at one end of the flue 1, dust in smoke entering the flue 1 can be filtered under the action of the dust filter plate 20 by being arranged on one end of the flue 1, the dust is prevented from entering the flue 1, the dust is prevented from affecting the working efficiency and the service life of the motor 3, and therefore the smoke discharging efficiency of the flue 1 is further improved.

The working principle of the utility model is as follows:

firstly, by starting a motor 3, the motor 3 drives a smoke exhaust fan 4 to work, under the action of the smoke exhaust fan 4, indoor smoke can pass through a flue 1 and impact a baffle 5, the baffle 5 is expanded under pressure and separated from one end of the flue 1, at the moment, a compression spring 15 can perform corresponding stretching movement, after the indoor smoke is discharged, the smoke exhaust fan 4 stops working by closing the motor 3, at the moment, the impact force born by the baffle 5 disappears, at the moment, the baffle 5 can be contracted under the action of the elasticity of the compression spring 15, and finally, the baffle 5 is driven to be attached to one end of the flue 1, so that the sealing work of the flue 1 is achieved;

secondly, through rotating the rotating shaft 8, the rotating shaft 8 drives the threaded rod 7, the connecting block 9 and the fixed block 10 to move in the threaded hole, after one end of the fixed block 10 is abutted with the dust filter plate 20, the dust filter plate 20 can be abutted and fixed at one end of the flue 1, and dust in smoke entering the flue 1 can be filtered under the action of the dust filter plate 20 by being provided with the dust filter plate 20, so that the dust is prevented from entering the flue 1, the working efficiency and the service life of the motor 3 are prevented from being influenced by the dust, and the smoke discharging efficiency of the flue 1 is further improved;

finally, when the dust filter plate 20 is disassembled, the rotating shaft 8 is rotated, the rotating shaft 8 drives the threaded rod 7, the connecting block 9 and the fixed block 10 to move in the threaded hole, and after one end of the fixed block 10 is not abutted against the dust filter plate 20, the dust filter plate 20 can be disassembled and cleaned.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A fire engineering fume extractor, characterized by comprising:

a flue (1);

a cross mounting frame (2) is fixed on the inner wall of the flue (1), a motor (3) is mounted at one end of the cross mounting frame (2), and a smoke exhaust fan (4) which penetrates through the cross mounting frame (2) actively is fixed at the output end of the motor (3);

one end of the flue (1) is hinged with a baffle (5);

the other end of the flue (1) is provided with a mounting groove (6), and the mounting groove (6) is provided with a dust filter plate (20).

2. The smoke exhaust device for fire engineering according to claim 1, wherein a threaded hole communicated with the installation groove (6) is formed in the outer wall of the flue (1), a threaded rod (7) is connected in the threaded hole in a threaded mode, a rotating shaft (8) is fixed at one end of the threaded rod (7), a connecting block (9) is connected at the other end of the threaded rod (7) in a rotating mode, and a fixing block (10) connected with the outer wall of the dust filter plate (20) is fixed at one end of the connecting block (9).

3. A fire engineering smoke evacuation device according to claim 2, wherein the end of the fixing block (10) adjacent to the dust filter plate (20) is arc-shaped.

4. A smoke evacuation device for fire engineering according to claim 2, wherein one end of the installation groove (6) is provided with a first sliding groove, a first sliding block is installed in the first sliding groove, and the connecting block (9) is fixed at one end of the first sliding block.

5. The smoke exhaust device for fire engineering according to claim 1, wherein a connecting plate (14) is fixed on the outer wall of the flue (1), a second sliding chute (11) is formed in the outer wall of the flue (1), a second sliding block (12) is mounted in the second sliding chute (11), and a movable plate (13) is fixed at the bottom of the second sliding block (12).

6. A fire engineering smoke evacuation device according to claim 5, wherein a compression spring (15) is fixed at one end of the connection plate (14), and one end of the compression spring (15) away from the connection plate (14) is fixed with the movable plate (13).

7. The smoke exhaust device for fire engineering according to claim 6, wherein connecting strips (16) are symmetrically fixed on the outer wall of the flue (1), and rollers (17) are movably installed between the two connecting strips (16);

and a limiting groove (18) is formed in the outer wall of the roller (17).

8. The smoke exhaust device for fire engineering according to claim 6, wherein one end of the movable plate (13) is fixed with a pull rope (19), and the other end of the pull rope (19) is fixed with the baffle plate (5);

the stay cord (19) is partially located in a limit groove (18) of the roller (17).