CN220168244U

CN220168244U - Silencer for air inlet of fan

Info

Publication number: CN220168244U
Application number: CN202321465210.9U
Authority: CN
Inventors: 胡航海; 谢建
Original assignee: Huzhou Shanhai Environmental Protection Engineering Co ltd
Current assignee: Huzhou Shanhai Environmental Protection Engineering Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2023-12-12
Anticipated expiration: 2033-06-09

Abstract

The utility model relates to a fan silencer, in particular to a fan air inlet silencer which comprises a fan body and a U-shaped frame, and is characterized in that the fan body is of a hollow structure, the U-shaped frame is arranged above the fan body, clamping pins are fixedly connected to two sides of the bottom of the U-shaped frame, limit grooves are formed in one side, away from each other, of the two clamping pins, and the bottoms of the clamping pins extend to the inside of the fan body.

Description

Silencer for air inlet of fan

Technical Field

The utility model relates to a fan silencer, in particular to a fan air inlet silencer.

Background

The fan muffler is the same as the exhaust pipeline muffler and the induced draft fan muffler in form, and adopts a resistive sound absorption and noise reduction principle with good effects on middle and high frequency broadband characteristics, a resistive sound absorption and noise reduction principle with good effects on low, middle and pulsation characteristics, a microperforation muffler and an impedance composite muffler;

through retrieval, china patent discloses a vertical fan air inlet silencer (authorized bulletin number CN 212803759U), which comprises a box body, a base, a mounting mechanism and a damping mechanism, wherein the air inlet is formed in the top surface of the box body, a connecting flange plate is fixedly mounted on one side of the air inlet on the top surface of the box body, the mounting mechanism is positioned on one side of the connecting flange plate, and the mounting mechanism can effectively prevent a plurality of connecting holes from being formed in the surface of the connecting flange plate when the connecting flange plate at the air inlet on the device is connected with an external object, so that workers are required to be connected with the external object one by one through bolts and nuts, time and effort are wasted, the box body and the external object are conveniently and quickly connected, the mounting time is saved, the mounting efficiency is improved, the working efficiency of the workers is improved, vibration generated when the box body works cannot be buffered after the device is started is effectively avoided through the arranged base, and the stability of the device is greatly improved;

although the above-mentioned patent technology possesses the noise elimination to the fan air intake, need often maintain and maintain the air intake of fan in daily use, can't dismantle the effect of equipment fast in the above-mentioned device to need dismantle the fan air intake in staff's daily operation loaded down with trivial details, and then lead to reduced workman's work efficiency and often dismantle the equipment life-span decline that leads to equipment.

Accordingly, a fan inlet muffler is provided by those skilled in the art to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a silencer for an air inlet of a fan, so as to solve the problems in the prior art.

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

in view of the above problems in the prior art, a main object of the present utility model is to provide a muffler for an air inlet of a fan, which can rapidly disassemble equipment by a rapid disassembly mechanism of the muffler, so that complicated work is simplified, and thus, the work efficiency of staff can be improved.

The utility model provides a fan air intake silencer, includes fan body and U-shaped frame, its characterized in that, the fan body is hollow structure, the U-shaped frame sets up the top at the fan body, the equal fixedly connected with bayonet lock in both sides of U-shaped frame bottom, two the spacing groove has all been seted up to one side that the bayonet lock kept away from mutually, the inside to the fan body is all extended to the bottom of bayonet lock, the sliding tray has all been seted up to the both sides of fan body inner wall, the equal sliding connection in inside of sliding tray has the sliding plate, the equal fixedly connected with gag lever post in inside of sliding plate, the one end of gag lever post all extends to the outside of fan body and fixedly connected with pulling piece, the outside of gag lever post just is located the equal cover of between the inner wall of one side and sliding tray of sliding plate is equipped with the spring, the one end that the pulling piece was kept away from to the gag lever post all extends to the inside of the spacing groove that corresponds, two equal fixedly connected with first amortization cotton in one side that the bayonet lock is close to mutually, the amortization hole has been seted up to the inside equidistance of first amortization cotton.

As a further scheme of the utility model: the top fixedly connected with air-supply line of fan body, the bottom of air-supply line extends to the inside of fan body, the bottom fixedly connected with motor of fan body inner wall, the output shaft of motor extends to the inside and fixedly connected with flabellum of air-supply line.

As still further aspects of the utility model: the top equidistance of U-shaped frame has seted up the inlet port, the inside of inlet port is all fixedly connected with first filter screen.

As still further aspects of the utility model: the bottom equidistance of fan body has seted up the venthole, the inside of venthole is all fixedly connected with second filter screen.

As still further aspects of the utility model: and the two sides of the inner wall of the air inlet pipe are fixedly connected with second silencing cotton.

As still further aspects of the utility model: the outside fixedly connected with control panel of fan body, motor and control panel electric connection.

As still further aspects of the utility model: the bottom of bayonet lock one side and the one end of gag lever post all are provided with the inclined plane that the cooperation was used.

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

through the cooperation of fan body and U-shaped frame in the above-mentioned device for can dismantle the air intake fast, push down the locking of U-shaped frame can be to the air intake downwards, outwards pulling piece makes the gag lever post break away from the spacing groove and can accomplish the unblock to the air intake, thereby makes not need disassemble equipment, can guarantee the normal operating of equipment to a great extent, can reduce the time of maintaining effectively, improves work efficiency, reduces the cost of enterprises, has greatly improved operation quality and availability factor than traditional device.

Drawings

Fig. 1 is a schematic perspective view of a muffler for an air inlet of a fan.

Fig. 2 is a front cross-sectional view of a fan inlet muffler.

Fig. 3 is an expanded cross-sectional view of the apparatus in a muffler for an air intake of a blower.

Fig. 4 is an enlarged view at a in fig. 2.

In the figure: 1. a fan body; 2. a U-shaped frame; 3. a bayonet lock; 4. a limit groove; 5. a sliding groove; 6. a sliding plate; 7. a limit rod; 8. a spring; 9. pulling the block; 10. a first noise-reducing cotton; 11. a sound deadening hole; 12. an air inlet pipe; 13. a motor; 14. a fan blade; 15. an air inlet hole; 16. a first filter screen; 17. an air outlet hole; 18. a second filter screen; 19. a second noise reduction cotton; 20. and a control panel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, in the embodiment of the utility model, a silencer for a fan air inlet comprises a fan body 1 and a U-shaped frame 2, and is characterized in that the fan body 1 is of a hollow structure, the U-shaped frame 2 is arranged above the fan body 1, two sides of the bottom of the U-shaped frame 2 are fixedly connected with clamping pins 3, one sides of the two clamping pins 3 far away from each other are provided with limiting grooves 4, the bottoms of the clamping pins 3 are all extended to the inside of the fan body 1, two sides of the inner wall of the fan body 1 are provided with sliding grooves 5, sliding plates 6 are all connected in a sliding manner in the sliding grooves 5, limiting rods 7 are fixedly connected in the sliding plates 6, one ends of the limiting rods 7 are all extended to the outside of the fan body 1 and fixedly connected with pulling blocks 9, one side of each limiting rod 7 is sleeved with a spring 8, the spring 8 has larger elastic deformation capacity, one ends of the limiting rods 7 far away from the inner wall of the corresponding limiting blocks 4 can absorb vibration and impact, one sides of the two clamping pins 3 are both sides of the corresponding limiting blocks 3 are provided with limiting rods 10, when the two clamping pins 3 are contacted with the first clamping pins 10 which are connected with the first clamping rods 10 through the first clamping rods 10, and the first clamping rods 10 are extended into the inner walls 2, and the first side of the limiting rods 10 are extended into the corresponding limiting blocks 2, and when the first side of the first side frames 2 are compressed to the inner sides 2 are contacted with the limiting rods 2, and the first side 10 are compressed, and the first side of the first side 10 is contacted with the inner side 1, and the inner side of the first side of the limiting rods 10 is compressed, and the first side is contacted with the inside and the first side and is compressed, and the first side and the end, and the end is compressed inside and the end and is compressed, and the end and is compressed.

Wherein, the top fixedly connected with air-supply line 12 of fan body 1, the bottom of air-supply line 12 extends to the inside of fan body 1, the bottom fixedly connected with motor 13 of fan body 1 inner wall, motor 13's use and control are very convenient, have from starting, accelerating, braking, reversal, ability such as holding in the palm, can satisfy various operation requirements, the output shaft of motor 13 extends to the inside of air-supply line 12 and fixedly connected with flabellum 14, drive flabellum 14 through motor 13 in the above-mentioned device and rotate in the inside of air-supply line 12 to make to the inside induced draft.

Wherein, the top equidistance of U-shaped frame 2 has offered inlet port 15, and the inside of inlet port 15 is all fixedly connected with first filter screen 16, and through inlet port 15 to inside air inlet in the above-mentioned device, first filter screen 16 filters some dust and residues etc..

Wherein, the bottom equidistance of fan body 1 has offered venthole 17, and the inside of venthole 17 is all fixedly connected with second filter screen 18, carries to the external pipeline through venthole 17 in the above-mentioned device, is filtered by second filter screen 18 again before entering into the external pipeline.

Wherein, the two sides of the inner wall of the air inlet pipe 12 are fixedly connected with second silencing cotton 19, and the first silencing cotton 10 and the second silencing cotton 19 are sheet materials formed by processing a plurality of different fibers through a plurality of processes.

Wherein, the outside fixedly connected with control panel 20 of fan body 1, motor 13 and control panel 20 electric connection, staff controls motor 13 through control panel 20 in the above-mentioned device.

Wherein, the bottom of bayonet lock 3 one side and the one end of gag lever post 7 all are provided with the inclined plane that the cooperation was used, and the inclined plane can be comparatively convenient in the above-mentioned device lets gag lever post 7 extend to the inside of bayonet lock 3.

The working principle of the utility model is as follows:

according to the device, the clamping pin 3 and the first silencing cotton 10 are enabled to extend to the inside of the fan body 1 through downward pressing of the U-shaped frame 2, when the clamping pin 3 is in contact with the limiting rod 7, the sliding plate 6 can drive the pulling block 9 to compress the spring 8, when one end of the limiting rod 7 enters the inside of the limiting groove 4, the spring 8 can reset, locking of the U-shaped frame 2 is achieved, the fan blade 14 is driven to rotate in the air inlet pipe 12 through the motor 13, so that air is sucked inwards, the air inlet hole 15 is sucked inwards, the first filter screen 16 filters dust, residues and the like, the air outlet hole 17 is used for conveying the outer pipeline, the air outlet hole is filtered by the second filter screen 18 again before entering the outer pipeline, the first silencing cotton 10 and the second silencing cotton 19 are sheet materials formed by processing of a plurality of different fibers through a plurality of processes, normal operation of the device can be guaranteed to the air inlet hole 12 through the fan body 1, maintenance time can be effectively shortened, working efficiency is improved, and the cost of a traditional device and the enterprise is greatly improved.

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. The utility model provides a fan air intake silencer, includes fan body (1) and U-shaped frame (2), its characterized in that, fan body (1) is hollow structure, U-shaped frame (2) set up in the top of fan body (1), the equal fixedly connected with bayonet lock (3) in both sides of U-shaped frame (2) bottom, two spacing groove (4) have all been seted up to one side that bayonet lock (3) kept away from mutually, the inside to fan body (1) has all been extended to the bottom of bayonet lock (3), sliding groove (5) have all been seted up to the both sides of fan body (1) inner wall, sliding connection has sliding plate (6) in the inside of sliding groove (5), the inside equal fixedly connected with gag lever post (7) of sliding plate (6), the one end of gag lever post (7) all extends to the outside of fan body (1) and fixedly connected with pulling piece (9), all the cover is equipped with spring (8) between the inner wall of one side and sliding plate (5) that one side and sliding plate (6) kept away from mutually, one side that sliding plate (7) all extends to the inside of cotton (4) is kept away from and is connected with one side (10) of the equal expansion of the equal limiting plate (4), the inside equidistance of first amortization cotton (10) has seted up amortization hole (11).

2. The fan air inlet silencer according to claim 1, wherein the top of the fan body (1) is fixedly connected with an air inlet pipe (12), the bottom of the air inlet pipe (12) extends to the inside of the fan body (1), the bottom of the inner wall of the fan body (1) is fixedly connected with a motor (13), and an output shaft of the motor (13) extends to the inside of the air inlet pipe (12) and is fixedly connected with a fan blade (14).

3. The silencer for the air inlet of the fan according to claim 1, wherein the top of the U-shaped frame (2) is provided with air inlet holes (15) at equal intervals, and the inside of each air inlet hole (15) is fixedly connected with a first filter screen (16).

4. A fan air intake silencer according to claim 3, characterized in that the bottom of the fan body (1) is provided with air outlet holes (17) at equal intervals, and the inside of the air outlet holes (17) is fixedly connected with a second filter screen (18).

5. A fan inlet muffler according to claim 2, wherein the two sides of the inner wall of the air inlet pipe (12) are fixedly connected with second silencing cotton (19).

6. A fan inlet muffler according to claim 2, wherein the outer side of the fan body (1) is fixedly connected with a control panel (20), and the motor (13) is electrically connected with the control panel (20).

7. The silencer for the air inlet of the fan according to claim 1, wherein the bottom of one side of the clamping pin (3) and one end of the limiting rod (7) are respectively provided with an inclined plane which is matched with the bottom.