CN215260304U

CN215260304U - Exhaust fan with fireproof structure for ultrafine fly ash

Info

Publication number: CN215260304U
Application number: CN202121596556.3U
Authority: CN
Inventors: 薛凤畅
Original assignee: Jining Changyu New Building Materials Co ltd
Current assignee: Jining Changyu New Building Materials Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-12-21
Anticipated expiration: 2031-07-14

Abstract

The utility model discloses an exhaust fan for ultra-fine fly ash with fire resistive construction, including air inlet section of thick bamboo, middle box, play dryer, second guard box and third helical gear, the inside of middle box is fixed with the fan, and first fixed frame has been posted to outside one side of middle box, and one side of first fixed frame is fixed with first cover that gathers, and first one side of gathering the cover is fixed with the air inlet section of thick bamboo, and first fixed frame passes through first fix with screw in outside one side of middle box, rotate in the middle of the inside of air inlet section of thick bamboo and install first axostylus axostyle, the fixed surface of first axostylus axostyle has first baffle, and the one end of first axostylus axostyle is fixed with first helical gear, and the surface engagement of first helical gear has the second helical gear. The utility model discloses be equipped with an air inlet section of thick bamboo and play dryer, its inside is equipped with rotatable baffle, and its externally mounted's sensor just can sense and rotate the baffle and close air inlet section of thick bamboo and play dryer when meetting the fire, prevents that flame from directly burning to exhaust fan department, has played the fire prevention protection.

Description

Exhaust fan with fireproof structure for ultrafine fly ash

Technical Field

The utility model relates to an exhaust fan technical field specifically is an exhaust fan for superfine fly ash with fire resistive construction.

Background

The exhaust fan is an air conditioning appliance, which drives the fan blades to rotate by the motor to drive airflow so as to exchange indoor air and outdoor air. Also known as a ventilating fan. The purpose of the exhaust air is to remove the dirty air from the room and to adjust the temperature, humidity and sensory effects. The exhaust fan is widely applied to families and public places.

The superfine fly ash place of stacking at present needs the exhaust fan to air exhaust, guarantees that the moisture in the place can not the superfine fly ash of humidifying, also needs the fan to air exhaust the ash during transportation, and present exhaust fan adopts direct mount on the wall body, and the exhaust fan of no protection receives the threat on fire easily like this, in case on fire, the exhaust fan does not have firebreak device and directly burns to the damage easily, leads to can not normal use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an exhaust fan for superfine fly ash with fire resistive construction, possess extension air inlet section of thick bamboo and play chimney, its inside rotatable baffle that is equipped with, its externally mounted's sensor just can sense and rotate the baffle and close air inlet section of thick bamboo and play chimney when meetting the fire, prevent that flame from directly burning to exhaust fan department, the advantage of fire prevention protection has been played, the exhaust fan adoption direct mount has been solved in the past on the wall body, the exhaust fan that does not have the protection like this receives the threat of firing easily, in case fire, the exhaust fan does not have firebreak device and directly burns to the damage easily, lead to the problem that can not normal use.

In order to achieve the above object, the utility model provides a following technical scheme: an exhaust fan with a fireproof structure for ultrafine fly ash comprises an air inlet cylinder, a middle box, an air outlet cylinder, a second protection box and a third bevel gear, wherein a fan is fixed inside the middle box, a first fixing frame is attached to one side of the outer part of the middle box, a first gathering cover is fixed to one side of the first fixing frame, an air inlet cylinder is fixed to one side of the first gathering cover, the first fixing frame is fixed to one side of the outer part of the middle box through a first screw, a first shaft rod is rotatably mounted in the middle of the inner part of the air inlet cylinder, a first baffle is fixed to the surface of the first shaft rod, a first bevel gear is fixed to one end of the first shaft rod, a second bevel gear is meshed to the surface of the first bevel gear, the second bevel gear is fixed to the output end of a first motor, the first motor is fixed to the inner part of the first protection box, the first protection box is arranged on one side of the outer part of the air inlet cylinder, a first blocking cover is fixed to one side of the outer part of the first protection box, a first bevel gear and a second bevel gear are arranged inside the first blocking cover.

Preferably, the fixed frame of second is pasted to the outside opposite side of middle box, and one side of the fixed frame of second is fixed with the second poly cover, and one side of second poly cover is fixed with the play dryer, and the fixed frame of second passes through the second fix with screw at the outside opposite side of middle box.

Preferably, a second shaft lever is rotatably mounted in the middle of the inside of the air outlet cylinder, a second baffle is fixed on the surface of the second shaft lever, and a third bevel gear is fixed at one end of the second shaft lever.

Preferably, a fourth helical gear is engaged with a surface of the third helical gear, the fourth helical gear is fixed to an output end of the second motor, the second motor is fixed inside the second protection box, and the second protection box is arranged on one side of the outside of the air outlet cylinder.

Preferably, a second shielding cover is fixed on one side of the outer part of the second protection box, and a third helical gear and a fourth helical gear are arranged inside the second shielding cover.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a cooperation of an air inlet section of thick bamboo and play dryer makes the air inlet department and the air-out department of fan can prolong, still need use the fan when on fire to open the fan, and the fan of well incasement can not directly be burnt to outside flame like this, has the air inlet section of thick bamboo and can disappear automatically after its flame of distance of play dryer gets into, can not directly lead to the fire to burn the fan, has played the effect of protection.

2. The utility model discloses a cooperation of first baffle and second baffle makes and seals in the air inlet section of thick bamboo and the play dryer, has reached and has rotated and has sealed the air inlet section of thick bamboo and directly enter into the effect that the fan was burnt out to the middle-sized case with play dryer flame, through the cooperation of first motor and second motor, makes first axostylus axostyle and second axostylus axostyle can rotate, has reached power take off's effect.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the appearance structure of the present invention

Fig. 3 is a schematic view of the top view of the internal structure of the present invention;

fig. 4 is a schematic perspective view of the present invention.

In the figure: 1. an air inlet cylinder; 2. a first baffle plate; 3. a first focus mask; 4. a first screw; 5. a middle box; 6. a second screw; 7. a second reticle; 8. a second baffle; 9. an air outlet cylinder; 10. a second shaft lever; 11. a second fixed frame; 12. a fan; 13. a first fixed frame; 14. a first shaft lever; 15. a first shield; 16. a first protective box; 17. a second protection box; 18. a second shield; 19. a first helical gear; 20. a second helical gear; 21. a first motor; 22. a third bevel gear; 23. a fourth helical gear; 24. a second motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution of an exhaust fan with fire-proof structure for ultra-fine fly ash: an exhaust fan with a fireproof structure for ultrafine fly ash comprises an air inlet drum 1, a middle box 5, an air outlet drum 9, a second protection box 17 and a third bevel gear 22, wherein a fan 12 is fixed inside the middle box 5, a first fixing frame 13 is attached to one side of the outside of the middle box 5, a first gathering cover 3 is fixed on one side of the first fixing frame 13, an air inlet drum 1 is fixed on one side of the first gathering cover 3, the first fixing frame 13 is fixed on one side of the outside of the middle box 5 through a first screw 4, a first shaft lever 14 is rotatably installed in the middle of the inside of the air inlet drum 1, a first baffle 2 is fixed on the surface of the first shaft lever 14, a first bevel gear 19 is fixed at one end of the first shaft lever 14, a second bevel gear 20 is engaged on the surface of the first bevel gear 19, the second bevel gear 20 is fixed at the output end of a first motor 21, the first motor 21 is fixed inside the first protection box 16, and the first protection box 16 is arranged on one side of the outside of the air inlet drum 1, a first shield 15 is fixed to an outer side of the first protective case 16, and a first helical gear 19 and a second helical gear 20 are provided inside the first shield 15.

A second fixing frame 11 is adhered to the other side of the outer part of the middle box 5, a second condensation cover 7 is fixed on one side of the second fixing frame 11, an air outlet cylinder 9 is fixed on one side of the second condensation cover 7, the second fixing frame 11 is fixed on the other side of the outer part of the middle box 5 through a second screw 6, through the matching of the air inlet cylinder 1 and the air outlet cylinder 9, the air inlet part and the air outlet part of the fan 12 can be prolonged, the fan 12 can be opened when the fan 12 is used in fire, so that external flame can not directly burn to the fan 12 in the middle box 5, the flame can automatically disappear after entering from the air inlet cylinder 1 and the air outlet cylinder 9, the flame can not directly burn to the fan 12, the protection effect is achieved, sensors are fixed on the outer bottom surfaces of the air inlet cylinder 1 and the air outlet cylinder 9, nearby heat sources can be sensed, and electric signals are sent to relays connected with the first motor 21 and the second motor 24 to indirectly control the operation of the first motor 21 and the second motor 24, the inside middle of the air outlet cylinder 9 is rotatably provided with a second shaft lever 10, the surface of the second shaft lever 10 is fixed with a second baffle 8, the air inlet cylinder 1 and the air outlet cylinder 9 can be sealed by the matching of a first baffle 2 and the second baffle 8, the effect of directly entering the middle box 5 to burn the fan 12 by rotating and sealing the air inlet cylinder 1 and the air outlet cylinder 9 to prevent flame is achieved, one end of the second shaft lever 10 is fixed with a third bevel gear 22, the surface of the third bevel gear 22 is engaged with a fourth bevel gear 23, the fourth bevel gear 23 is fixed at the output end of the second motor 24, the first motor 21 and the second motor 24 both adopt YN70-15 models, the model motors have good heat resistance and small size, and are suitable for the utility model, the first shaft lever 14 and the second shaft lever 10 can rotate by the matching of the first motor 21 and the second motor 24, and the effect of power output is achieved, the second motor 24 is fixed in the second protection box 17, the second protection box 17 is arranged on one side of the outside of the air outlet cylinder 9, heat-resistant coatings are coated on the inner surfaces of the second protection box 17, the first protection box 16 and the middle box 5, the invasion of external heat is reduced, a second shield 18 is fixed on one side of the outside of the second protection box 17, and a third bevel gear 22 and a fourth bevel gear 23 are arranged in the second shield 18.

The working principle is as follows: when the utility model is used, the external power supply is needed, then the switch is turned on, wherein the fan 12 arranged inside the box 5 starts to rotate, the air is exhausted from the air inlet cylinder 1 and is discharged through the air outlet cylinder 9, if the fire phenomenon occurs, the sensors arranged at the two sides of the utility model can sense the sudden increase of heat, the sensors send electric signals to the relay, the relay starts to supply power to the first motor 21 and the second motor 24, the second helical gear 20 fixed at the rotating output end of the first motor 21 rotates, the first helical gear 19 at the rotating meshing surface rotates with the first shaft lever 14, the first baffle 2 is driven by the first shaft lever 14 to rotate, the air inlet cylinder 1 is closed by the first rotating baffle 2, the fourth helical gear 23 fixed at the output end rotates by the rotating of the second motor 24, the third helical gear 22 at the meshing surface of the fourth helical gear 23, then the third bevel gear 22 drives the second shaft lever 10 to rotate, the rotating second shaft lever 10 drives the second baffle 8 with a fixed surface to rotate, the rotating second baffle 8 can close the air outlet cylinder 9, and the closed air inlet cylinder 1 and the closed air outlet cylinder 9 prevent flame from entering the interior of the middle box 5 from the interior, so that the fan 12 is prevented from being directly burnt out; the utility model discloses a rotation of first motor 21 and second motor 24 is controlled by the program that the staff compiled in advance, so by first motor 21 and second motor 24 pivoted first baffle 2 and second baffle 8 can control turned angle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an exhaust fan for ultra-fine fly ash with fire resistive construction, includes air inlet cylinder (1), well case (5), play dryer (9), second guard box (17) and third bevel gear (22), its characterized in that: a fan (12) is fixed inside the middle box (5), a first fixing frame (13) is attached to one side of the outer portion of the middle box (5), a first gathering cover (3) is fixed to one side of the first fixing frame (13), an air inlet cylinder (1) is fixed to one side of the first gathering cover (3), the first fixing frame (13) is fixed to one side of the outer portion of the middle box (5) through a first screw (4), a first shaft lever (14) is rotatably installed in the middle of the inner portion of the air inlet cylinder (1), a first baffle (2) is fixed to the surface of the first shaft lever (14), a first helical gear (19) is fixed to one end of the first shaft lever (14), a second helical gear (20) is meshed to the surface of the first helical gear (19), the second helical gear (20) is fixed to the output end of the first motor (21), the first motor (21) is fixed to the inner portion of the first protecting box (16), and the first protecting box (16) is arranged on one side of the outer portion of the air inlet cylinder (1), a first blocking cover (15) is fixed on one side of the outer portion of the first protection box (16), and a first helical gear (19) and a second helical gear (20) are arranged inside the first blocking cover (15).

2. An exhaust fan with fire-proof structure for ultra fine fly ash as claimed in claim 1, wherein: the fixed frame of second (11) is posted to the outside opposite side of well case (5), and one side of the fixed frame of second (11) is fixed with second poly cover (7), and one side of second poly cover (7) is fixed with play dryer (9), and the outside opposite side at well case (5) is fixed through second screw (6) in the fixed frame of second (11).

3. An exhaust fan with fire-proof structure for ultra fine fly ash as claimed in claim 1, wherein: a second shaft lever (10) is rotatably installed in the middle of the inside of the air outlet cylinder (9), a second baffle (8) is fixed on the surface of the second shaft lever (10), and a third bevel gear (22) is fixed at one end of the second shaft lever (10).

4. An exhaust fan with fire-proof structure for ultra fine fly ash as claimed in claim 1, wherein: and a fourth helical gear (23) is meshed with the surface of the third helical gear (22), the fourth helical gear (23) is fixed at the output end of a second motor (24), the second motor (24) is fixed inside a second protection box (17), and the second protection box (17) is arranged on one side of the outer part of the air outlet cylinder (9).

5. An exhaust fan with fire-proof structure for ultra fine fly ash as claimed in claim 1, wherein: a second shielding cover (18) is fixed on one side of the outer portion of the second protection box (17), and a third helical gear (22) and a fourth helical gear (23) are arranged inside the second shielding cover (18).