CN213837134U

CN213837134U - Noise attenuation device

Info

Publication number: CN213837134U
Application number: CN202022306567.5U
Authority: CN
Inventors: 董平; 刘雅萍
Original assignee: Fujian Kaiyuan Environmental Technology Development Co ltd
Current assignee: Fujian Kaiyuan Environmental Technology Development Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-07-30
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a noise reduction device, including air intake, amortization chamber, stator and rotor, the air intake is installed to one side in amortization chamber, dustproof construction is installed to one side of air intake outer wall, mounting structure is installed to the opposite side of air intake, the inside of stator has all been run through the second through-hole, the internally mounted of stator has the rotor, the inside of rotor has all been run through first through-hole, the inside of rotor has been run through the axis of rotation, driving motor is installed to one side of axis of rotation. The utility model discloses a be provided with mounting structure, when the device need use, can be directly aim at the air outlet with the ring flange on the amortization chamber, then the rotary flange dish for gag lever post card on the ring flange advances the inside of spacing groove, then direct rotatory bolt, make and carry on spacingly at the in-process of installation, thereby realized easy to assemble's effect.

Description

Noise attenuation device

Technical Field

The utility model relates to a technical field of making an uproar falls specifically is a noise reduction device.

Background

With the development of the society at present, the living standard of people is improved, noise is visible everywhere in cities, and some noise affects the safety of people, so that a noise reduction device is needed to reduce the noise, but the existing device still has certain problems and defects.

The noise reduction apparatus is inconvenient to install in the use process, and thus, is inconvenient in the use process, so that it is necessary to manufacture a novel reduction apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a noise reduction device to the problem of providing inconvenient installation in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a noise reduction device comprises an air inlet, a silencing cavity, a stator and a rotor, wherein the air inlet is installed on one side of the silencing cavity, a dustproof structure is installed on one side of the outer wall of the air inlet, a mounting structure is installed on the other side of the air inlet and comprises a flange, a bolt, a limiting groove and a limiting rod, the flange is installed on the other side of the silencing cavity, the bolts are installed on two sides of the outer wall of the flange, the limiting rod is installed on the inner surface of the flange, the limiting groove is installed on one side of the limiting rod, an air outlet is installed on one side of the mounting structure, a sound absorption structure is installed on one side of the inner part of the silencing cavity, the stator is installed on the other side of the inner part of the silencing cavity, a second through hole is formed in the inner part of the stator, the rotor is installed in the stator, a first through hole is formed in the inner part of the rotor, and a rotating shaft is formed in the inner part of the rotor, and a driving motor is arranged on one side of the rotating shaft.

Preferably, the dustproof structure comprises a dustproof net, a mounting groove and a mounting block, the dustproof net is mounted on one side of the outer wall of the air inlet, the mounting groove is mounted at two ends of the outer wall of the dustproof net, and the mounting block is mounted inside the mounting groove.

Preferably, the mounting block is matched with the mounting groove, and a rotating structure is formed between the mounting groove and the mounting block.

Preferably, inhale the sound structure and include the baffle, inhale the sound hole, inhale the sound cotton and lead to the groove, the baffle is all installed in one side of amortization intracavity portion, the sound hole is all run through at the inside both ends of baffle, inhale the inside of sound hole and all install and inhale the sound cotton, inhale the cotton bottom of sound and all install logical groove.

Preferably, the baffles are arranged in two groups, and one side of each baffle inside the silencing cavity is distributed in a crossed manner.

Preferably, the inner diameter of the limiting groove is larger than the outer diameter of the limiting rod, and a clamping structure is formed between the limiting rod and the limiting groove.

Compared with the prior art, the beneficial effects of the utility model are that: the noise reduction device not only realizes convenient installation, but also realizes good dustproof effect and good noise reduction effect;

(1) by arranging the mounting structure, when the device needs to be used, the flange plate on the silencing cavity can be directly aligned to the air outlet, then the flange plate is rotated, the limiting rod on the flange plate is clamped into the limiting groove, and then the bolt is directly rotated, so that the limiting is carried out in the mounting process, and the effect of convenient mounting is realized;

(2) by arranging the dustproof structure, when the device is used, in order to prevent dust in the air from entering the interior of the silencing cavity, a layer of dustproof net can be laid on the air inlet, and then the installation block in the installation groove is rotated by an angle, so that the dustproof net is fixed, and the effect of preventing the silencing cavity from being dustproof is prevented;

(3) through being provided with sound absorbing structure, when the device is at the in-process that uses, can direct start driving motor, driving motor drives the axis of rotation and rotates, thereby make the axis of rotation drive the rotor at the inside rotation of stator, first through-hole and second through-hole on stator and the rotor mutually support with, thereby change the frequency of noise, make its people can not hear the noise, if the remaining noise appears, can adsorb sound on inhaling the sound cotton through inhaling the sound hole on the alternately distributed baffle, thereby make the effect of its amortization better.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic side view, cross-sectional structure of the mounting structure of the present invention;

FIG. 3 is a schematic side view of the dustproof structure of the present invention;

fig. 4 is the main view sectional structure of the sound-absorbing structure of the present invention.

In the figure: 1. a dust-proof structure; 101. a dust screen; 102. mounting grooves; 103. mounting blocks; 2. an air inlet; 3. a sound-deadening chamber; 4. a stator; 5. a rotor; 6. a sound absorbing structure; 601. a baffle plate; 602. a sound absorption hole; 603. sound-absorbing cotton; 604. a through groove; 7. a mounting structure; 701. a flange; 702. a bolt; 703. a limiting groove; 704. a limiting rod; 8. an air outlet; 9. a first through hole; 10. a rotating shaft; 11. a second through hole; 12. the motor is driven.

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. 1-4, the present invention provides an embodiment: a noise attenuation device comprises an air inlet 2, an attenuation cavity 3, a stator 4 and a rotor 5, wherein the air inlet 2 is installed at one side of the attenuation cavity 3, a dustproof structure 1 is installed at one side of the outer wall of the air inlet 2, the dustproof structure 1 comprises a dustproof net 101, an installation groove 102 and an installation block 103, the dustproof net 101 is installed at one side of the outer wall of the air inlet 2, the installation groove 102 is installed at two ends of the outer wall of the dustproof net 101, the installation block 103 is installed inside the installation groove 102, the installation block 103 is matched with the installation groove 102, and a rotating structure is formed between the installation groove 102 and the installation block 103;

specifically, as shown in fig. 1 and 3, when the mechanism is used, firstly, in order to prevent dust in the air from entering into the interior of the sound-deadening chamber 3 during the use of the device, a layer of dust-proof net 101 can be laid on the air inlet 2, and then the mounting block 103 inside the mounting groove 102 is rotated by 90 ° so as to fix the dust-proof net 101, thereby preventing the effect of dust prevention on the sound-deadening chamber 3;

the other side of the air inlet 2 is provided with an installation structure 7, the installation structure 7 comprises a flange 701, bolts 702, a limiting groove 703 and a limiting rod 704, the flange 701 is installed on the other side of the silencing cavity 3, the bolts 702 are installed on two sides of the outer wall of the flange 701, the limiting rod 704 is installed on the inner surface of the flange 701, the limiting groove 703 is installed on one side of the limiting rod 704, the inner diameter of the limiting groove 703 is larger than the outer diameter of the limiting rod 704, and a clamping structure is formed between the limiting rod 704 and the limiting groove 703;

specifically, as shown in fig. 1 and fig. 2, when the mechanism is used, firstly, when the device needs to be used, the flange 701 on the sound attenuation cavity 3 can be directly aligned with the air outlet 8, then the flange 701 is rotated, so that the limiting rod 704 on the flange 701 is clamped into the limiting groove 703, and then the bolt 702 is directly rotated, so that the limiting is performed in the installation process, and the effect of convenient installation is achieved;

an air outlet 8 is installed on one side of the installation structure 7, a sound absorption structure 6 is installed on one side inside the silencing cavity 3, the sound absorption structure 6 comprises baffles 601, sound absorption holes 602, sound absorption cotton 603 and through grooves 604, the baffles 601 are installed on one side inside the silencing cavity 3, the sound absorption holes 602 penetrate through two ends inside the baffles 601, the sound absorption cotton 603 is installed inside the sound absorption holes 602, the through grooves 604 are installed at the bottom ends of the sound absorption cotton 603, two groups of the baffles 601 are arranged on the baffles 601, the baffles 601 are distributed in a crossed mode on one side inside the silencing cavity 3, a stator 4 is installed on the other side inside the silencing cavity 3, a second through hole 11 penetrates through the inside of the stator 4, a rotor 5 is installed inside the stator 4, a first through hole 9 penetrates through the inside of the rotor 5, a rotating shaft 10 penetrates through the inside of the rotor 5, and a driving motor 12 is installed on one side of the rotating shaft 10;

specifically, as shown in fig. 1 and 4, when using the mechanism, firstly, when the device is in use, the driving motor 12 can be directly started, the driving motor 12 drives the rotating shaft 10 to rotate, so that the rotating shaft 10 drives the rotor 5 to rotate inside the stator 4, the first through hole 9 and the second through hole 11 on the stator 4 and the rotor 5 are matched with each other, so as to change the frequency of noise, make people not hear the noise, if the remaining noise occurs, the sound can be absorbed on the sound absorbing cotton 603 through the sound absorbing hole 602 on the cross distribution baffle 601, so that the sound absorbing effect is better.

The working principle is as follows: the utility model discloses when using, at first, when the device is at the in-process that uses, can directly start driving motor 12, driving motor 12 drives axis of rotation 10 and rotates, thereby make axis of rotation 10 drive rotor 5 at the inside rotation of stator 4, first through-hole 9 and second through-hole 11 on stator 4 and the rotor 5 mutually support and, thereby change the frequency of noise, make its people can not hear the noise, if the remaining noise appears, can adsorb sound on inhaling sound cotton 603 through inhaling sound hole 602 on the cross distribution baffle 601, thereby make the effect of its amortization better.

Afterwards, when the device needs to be used, the flange plate 701 on the silencing cavity 3 can be directly aligned to the air outlet 8, then the flange plate 701 is rotated, the limiting rod 704 on the flange plate 701 is clamped into the limiting groove 703, then the bolt 702 is directly rotated, the installation process is limited, and therefore the effect of convenience in installation is achieved.

Finally, when the device is in use, in order to prevent dust in the air from entering the interior of the silencing cavity 3, a layer of dustproof net 101 can be laid on the air inlet 2, and then the mounting block 103 in the interior of the mounting groove 102 is rotated by 90 degrees, so that the dustproof net 101 is fixed, and the effect of preventing the silencing cavity 3 from dust is prevented.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a noise reduction device, includes air intake (2), amortization chamber (3), stator (4) and rotor (5), its characterized in that: an air inlet (2) is installed on one side of the silencing cavity (3), a dustproof structure (1) is installed on one side of the outer wall of the air inlet (2), a mounting structure (7) is installed on the other side of the air inlet (2), the mounting structure (7) comprises a flange (701), a bolt (702), a limiting groove (703) and a limiting rod (704), the flange (701) is installed on the other side of the silencing cavity (3), the bolt (702) is installed on two sides of the outer wall of the flange (701), the limiting rod (704) is installed on the inner surface of the flange (701), the limiting groove (703) is installed on one side of the limiting rod (704), an air outlet (8) is installed on one side of the mounting structure (7), a sound absorbing structure (6) is installed on one side of the inside of the silencing cavity (3), and a stator (4) is installed on the other side of the inside of the silencing cavity (3), the inside of stator (4) has all run through second through-hole (11), the internally mounted of stator (4) has rotor (5), first through-hole (9) have all been run through to the inside of rotor (5), the inside of rotor (5) has run through axis of rotation (10), driving motor (12) are installed to one side of axis of rotation (10).

2. A noise reduction apparatus according to claim 1, wherein: dustproof construction (1) includes dust screen (101), mounting groove (102) and installation piece (103), dust screen (101) are installed in one side of air intake (2) outer wall, mounting groove (102) are all installed at the both ends of dust screen (101) outer wall, the internally mounted of mounting groove (102) has installation piece (103).

3. A noise reduction apparatus according to claim 2, wherein: the mounting block (103) is matched with the mounting groove (102), and a rotating structure is formed between the mounting groove (102) and the mounting block (103).

4. A noise reduction apparatus according to claim 1, wherein: inhale sound structure (6) including baffle (601), inhale sound hole (602), inhale sound cotton (603) and lead to groove (604), baffle (601) are all installed in the inside one side in sound attenuation chamber (3), the inside both ends of baffle (601) have all run through and have inhaled sound hole (602), inhale the inside of sound hole (602) and all install sound cotton (603), it all installs logical groove (604) to inhale the bottom of sound cotton (603).

5. A noise reduction apparatus according to claim 4, wherein: the baffle plates (601) are arranged in two groups, and the baffle plates (601) are distributed on one side inside the silencing cavity (3) in a crossed mode.

6. A noise reduction apparatus according to claim 1, wherein: the inner diameter of the limiting groove (703) is larger than the outer diameter of the limiting rod (704), and a clamping structure is formed between the limiting rod (704) and the limiting groove (703).