CN218030689U

CN218030689U - Dustproof industry fan of making an uproar falls

Info

Publication number: CN218030689U
Application number: CN202221730671.XU
Authority: CN
Inventors: 何裕烽; 李徐娜; 赵立明; 王金锋
Original assignee: Zhejiang Zongguang Technology Co ltd
Current assignee: Zhejiang Zongguang Technology Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-12-13
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a noise-reducing and dust-preventing industrial fan, which relates to the technical field of noise reduction of industrial fans and comprises a fan body, wherein the fan body comprises a shell, the air outlet of the shell is detachably connected with a fixed block, the fixed block is provided with a plurality of air outlet holes, and each air outlet hole is internally and fixedly connected with a silencer; dispersing wind at the air outlet, and then reducing noise through a silencer to reduce noise generated by the air outlet; the air inlet of the shell is detachably connected with a filtering mechanism, and the filtering mechanism comprises a large disc; when the industrial fan is used, the air inlet hole on the large disc is exposed by the small rotatable disc, the size of the air inlet can be adjusted, when the industrial fan is not used, the air inlet hole on the large disc is completely covered by the small rotatable disc, dust is prevented from entering the shell, the dust is prevented from being accumulated on the impeller, and the dust accumulation of the blades in the fan is prevented from being uneven, so that the fan vibrates.

Description

Dustproof industry fan of making an uproar falls

Technical Field

The utility model relates to an industrial fan falls the technical field of making an uproar, specifically is a fall dirt-proof industrial fan of making an uproar.

Background

The industrial fan is a fan specially used for ventilation and fire-fighting high-temperature smoke discharge in places such as tunnels, underground garages, high-grade civil buildings, metallurgy, factories and mines and the like. The device mainly comprises an impeller, a shell, an inlet collector, a flow deflector, a motor and the like.

The industrial fan is special in use environment, so the power is high, the noise is high when the industrial fan works generally, and the noise reduction of the existing industrial fan is realized by adding silencing cotton in the shell.

The utility model discloses an industrial fan utilizes and to increase the amortization cotton in the casing inside and can play certain effect of making an uproar of falling, but the air outlet is because the amount of wind is great, and the noise that leads to the air outlet is still great, when industrial fan does not use again, inside the dust probably enters into the casing from the air intake, piles up on the impeller, static state when owing to the impeller this moment, accumulational dust on every blade probably all is different, and fan inside blade laying dust is uneven, probably leads to the fan to produce the vibration.

To the above problem, the utility model provides a make an uproar dirt-proof industry fan falls.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a noise-reducing and dust-preventing industrial fan, which disperses the wind at an air outlet and reduces the noise generated by the air outlet through noise reduction of a silencer; when the industrial fan is used, the air inlet hole on the large disc is exposed by the small rotatable disc, the size of the air inlet can be adjusted, when the industrial fan is not used, the air inlet hole on the large disc is completely covered by the small rotatable disc, dust is prevented from entering the shell, the dust is accumulated on the impeller, dust accumulation on blades in the fan is prevented from being uneven, the fan is prevented from vibrating, and therefore the problem in the background technology is solved.

In order to achieve the above object, the utility model provides a following technical scheme: a noise-reducing and dust-preventing industrial fan comprises a fan body, wherein the fan body comprises a shell, a fixed block is detachably connected to an air outlet of the shell, a plurality of air outlet holes are formed in the fixed block, and a silencer is fixedly connected in each air outlet hole;

the air inlet department of casing can dismantle and be connected with filtering mechanism, and filtering mechanism includes big disc, and one side that the air intake was kept away from to big disc is provided with and is connected with little disc coaxial and with big disc rotation, has all seted up the fresh air inlet on big disc and the little disc, can shelter from the hole on the big disc when little disc rotates.

Furthermore, the edge of one side of the large disc, which is close to the air inlet, is fixedly connected with a circular ring, an internal thread is integrally formed on the inner side wall of the circular ring, an external thread is integrally formed at the position, corresponding to the circular ring, of the outer peripheral surface of the air outlet, and the circular ring is in threaded connection with the air outlet.

Furthermore, the air inlet holes are the same in size and shape and are distributed on the large circular disc and the small circular disc at equal angles according to the circle center, and a filter screen is fixedly connected with the air inlet holes in the large circular disc.

Further, the side central point that big disc is close to little disc puts and the one end fixed connection of two semicylinders, and the other end of two semicylinders all is formed with hemispherical arch and forms the buckle, and two hemispherical archs set up mutually in the opposite directions, and one side central point that little disc is close to big disc puts and has seted up cylindric draw-in groove, behind draw-in groove and the buckle joint, little disc can rotate for big disc.

Furthermore, the side surfaces of the inner side wall of the shell and the side surface of the large circular disc close to the air inlet are fixedly connected with silencing cotton.

Further, fixed block side integrated into one piece has a plurality of archs, corresponds position integrated into one piece with the arch on the inside wall of air outlet and has a plurality of recesses, fixed block and air outlet joint.

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

1. the utility model provides a pair of dirt-proof industrial fan falls, when industrial fan used, the fresh air inlet on rotatable little disc with big disc was exposed, can adjust the size of air intake simultaneously, when industrial fan did not use, the fresh air inlet on rotatable little disc with big disc was whole to be sheltered from, prevents that the dust from entering into inside the casing, piles up on the impeller, prevents that the fan is inside the blade laying dust inequality, leads to the fan to produce the vibration.

2. The utility model provides a pair of make an uproar dirt-proof industry fan falls disperses the wind of air outlet, then falls through the muffler and makes an uproar, reduces the noise that the air outlet produced.

Drawings

Fig. 1 is a schematic structural view of a noise-reducing and dust-proof industrial fan according to the present invention;

fig. 2 is a side sectional view of the noise-reducing and dust-proof industrial fan of the present invention;

fig. 3 is a front sectional view of the noise-reducing and dust-proof industrial fan of the present invention;

fig. 4 is a schematic structural view of a filtering mechanism of a noise-reducing and dust-proof industrial fan according to the present invention;

fig. 5 is the utility model relates to a buckle structure schematic diagram of dirt-proof industry fan of making an uproar falls.

In the figure: 1. a housing; 11. an air inlet; 12. an air outlet; 2. a fixed block; 21. an air outlet; 3. a muffler; 4. a filtering mechanism; 41. a large disc; 42. a small disc; 43. a circular ring; 44. an air inlet hole; 445. filtering with a screen; 5. a semi-cylinder; 51. hemispherical bulges; 6. a card slot; 7. silencing cotton.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-4, a noise-reducing and dust-preventing industrial fan comprises a fan body, the fan body comprises a housing 1, a fixed block 2 is detachably connected to an air outlet 12 of the housing 1, a plurality of air outlet holes 21 are formed in the fixed block 2, and a silencer 3 is fixedly connected to each air outlet hole 21; the wind of the air outlet 12 is dispersed, and then noise is reduced through the silencer 3, so that noise generated by the air outlet 12 is reduced.

The air inlet 11 of the shell 1 is detachably connected with a filtering mechanism 4, the filtering mechanism 4 comprises a large disc 41, one side of the large disc 41, which is far away from the air inlet 11, is provided with a small disc 42 which is coaxial with the large disc 41 and is rotatably connected with the large disc 41, air inlet holes 44 are formed in the large disc 41 and the small disc 42, when the small disc 42 rotates, the holes in the large disc 41 can be shielded, and the air inlet 11 can shield the air inlet holes 44 in the large disc 41 by rotating the small disc 42; when the industrial fan is used, the small rotatable disc 42 exposes the air inlet 44 on the large disc 41, and the size of the air inlet 11 can be adjusted, when the industrial fan is not used, the small rotatable disc 42 completely covers the air inlet 44 on the large disc 41, so that dust is prevented from entering the shell 1, the dust is accumulated on the impeller, and the dust accumulation of blades in the fan is prevented from being uneven, and the fan is caused to vibrate.

Referring to fig. 1, 3 and 4, a circular ring 43 is fixedly connected to one side edge of the large circular disc 41 close to the air inlet 11, an internal thread is integrally formed on the inner side wall of the circular ring 43, an external thread is integrally formed on the outer peripheral surface of the air outlet 12 corresponding to the circular ring 43, and the circular ring 43 is in threaded connection with the air outlet 12, so that the filtering mechanism 4 can be detached.

Referring to fig. 1 and 4, the air inlet holes 44 have the same size and shape, and are arranged on the large circular disc 41 and the small circular disc 42 at equal angles with the circle center, and the air inlet holes 44 on the large circular disc 41 are fixedly connected with a filter screen 445; make things convenient for little disc 42 to cover completely or expose the fresh air inlet 44 on the little disc 42, filter screen 445 filters the inside wind that gets into casing 1 when industrial fan moves simultaneously, increases the time of the inside washing of industrial fan.

Referring to fig. 5, the side central point that big disc 41 is close to little disc 42 puts and the one end fixed connection of two semicylinders 5, and the other end of two semicylinders 5 all is formed with hemispherical protruding 51 and forms the buckle, and two hemispherical protruding 51 set up mutually away, and cylindric draw-in groove 6 has been seted up to one side central point that little disc 42 is close to big disc 41, and draw-in groove 6 and buckle joint back, little disc 42 can rotate for big disc 41, makes things convenient for little disc 42 to rotate.

Referring to fig. 2-4, the silencing cotton 7 is fixedly connected to the inner side wall of the casing 1 and the side surface of the large disc 41 close to the air inlet 11, so as to absorb noise inside the casing 1 and reduce noise.

Referring to fig. 2, 2 side integrated into one piece of fixed block has a plurality of archs, and it has a plurality of recesses to correspond position integrated into one piece with the arch on the inside wall of air outlet 12, and fixed block 2 and 12 joints of air outlet make the more firm of fixed block 2 and 12 joints of air outlet.

In summary, the following steps: the wind at the air outlet 12 is dispersed, and then the noise is reduced through the silencer 3, so that the noise generated by the air outlet 12 is reduced; when the industrial fan is not used, the small rotatable disc 42 completely covers the air inlet holes 44 in the large disc 41, so that dust is prevented from entering the shell 1 and being accumulated on the impeller, and the problem that the fan vibrates due to uneven dust accumulation of blades in the fan is avoided.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 a make an uproar dirt-proof industry fan falls, includes the fan body, its characterized in that: the fan body comprises a shell (1), a fixed block (2) is detachably connected to an air outlet (12) of the shell (1), a plurality of air outlet holes (21) are formed in the fixed block (2), and a silencer (3) is fixedly connected into each air outlet hole (21);

air intake (11) department of casing (1) can be dismantled and be connected with filtering mechanism (4), filtering mechanism (4) are including big disc (41), one side that air intake (11) were kept away from to big disc (41) is provided with big disc (41) coaxial and rotate with big disc (41) and be connected with little disc (42), air inlet (44) have all been seted up on big disc (41) and the little disc (42), can shelter from the hole on the big disc (41) when little disc (42) rotate.

2. The industrial fan of making an uproar dustproof of making an uproar according to claim 1, characterized in that: the air conditioner is characterized in that a circular ring (43) is fixedly connected to one side edge of the large disc (41) close to the air inlet (11), internal threads are integrally formed on the inner side wall of the circular ring (43), external threads are integrally formed on the outer peripheral surface of the air outlet (12) and the position, corresponding to the circular ring (43), of the circular ring (43), and the circular ring (43) is in threaded connection with the air outlet (12).

3. The industrial fan of making an uproar dustproof of making an uproar according to claim 1, characterized in that: the air inlet holes (44) are identical in size and shape and are distributed on the large circular disc (41) and the small circular disc (42) at equal angles in the circle center, and a filter screen (445) is fixedly connected to the air inlet holes (44) on the large circular disc (41).

4. The industrial fan of making an uproar dustproof of making an uproar according to claim 1, characterized in that: big disc (41) are close to the side central point of little disc (42) put with the one end fixed connection of two semicylinders (5), and the other end of two semicylinders (5) all is formed with hemispherical arch (51) and forms the buckle, and two hemispherical arch (51) back of the body set up mutually, and cylindric draw-in groove (6) have been seted up to one side central point that little disc (42) are close to big disc (41), behind draw-in groove (6) and the buckle joint, little disc (42) can rotate for big disc (41).

5. The industrial fan of making an uproar dustproof of making an uproar according to claim 2, characterized in that: the silencing cotton (7) is fixedly connected to the inner side wall of the shell (1) and the side face, close to the air inlet (11), of the large circular disc (41).

6. The industrial fan of making an uproar dustproof of making an uproar according to claim 1, characterized in that: fixed block (2) side integrated into one piece has a plurality of archs, corresponds position integrated into one piece with the arch on the inside wall of air outlet (12) and has a plurality of recesses, fixed block (2) and air outlet (12) joint.