CN218387785U

CN218387785U - Airflow channel mute box

Info

Publication number: CN218387785U
Application number: CN202222668490.5U
Authority: CN
Inventors: 李燕华; 李金华; 林志立
Original assignee: Foshan Lvfan Co ltd
Current assignee: Foshan Lvfan Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-01-24
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses an airflow channel silence case relates to silence case technical field, including silence case body, the surface mounting of silence case body has two connecting tube, and the left side of silence case body is equipped with the sealing door, and the place ahead of silence case body is equipped with fixed establishment, and the inner wall of silence case body is equipped with the limiting plate, and the inside of silence case body is equipped with the filter, and the inside of silence case body is equipped with stop gear. It can be through setting up fixed establishment, can fix the sealing door, and then can make and carry out better sealed between sealing door and the silence case body, through setting up stop gear, can carry out spacing and the removal spacing to the filter, the limiting plate plays the supporting role to the filter simultaneously, uses through the cooperation between limiting plate and the stop gear to reach and be convenient for dismantle the purpose of wasing or changing the filter screen.

Description

Airflow channel mute box

Technical Field

The utility model relates to a silence case technical field specifically is an airflow channel silence case.

Background

The sound-proof box is mainly used for testing the main equipment of the acoustic noise level of small-volume electroacoustic elements and electronic mechanical products, such as loudspeaker, microphone, small motor and the like, and is different from a sound-proof chamber in that the sound-proof box is small in volume, light in weight, good in sound-proof effect, convenient to move and applicable to different occasions, so that the manufacturing process and the material of the sound-proof box are very strict.

The existing airflow channel static pressure box can bring dust into the mute box while sucking airflow, at the moment, a filter screen is needed to filter and obstruct the dust, but the filter screen can be blocked after a long time to influence airflow circulation, at the moment, the filter screen needs to be replaced or cleaned, and the existing airflow channel static pressure box is not convenient for detaching, cleaning or replacing the filter screen; therefore, the airflow channel mute box solves the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an airflow channel silence case in order to remedy the deficiency of the prior art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an airflow channel silence case, includes the silence case body, the surface mounting of silence case body has two connecting tube, the left side of silence case body is equipped with sealing door, the place ahead of silence case body is equipped with fixed establishment, the inner wall of silence case body is equipped with the limiting plate, the inside of silence case body is equipped with the filter, the inside of silence case body is equipped with stop gear.

Furthermore, fixed establishment includes fixed block and threaded rod, the surface of fixed block and the fixed surface of silence case body are connected, the inside fixedly connected with dead lever of fixed block.

Furthermore, the outer surface of the fixed rod is rotatably connected with a first limiting block, a first limiting groove is formed in the first limiting block, and the outer surface of the threaded rod is connected with the inner thread of the sealing door.

Furthermore, one end fixedly connected with stopper two that sealing door was kept away from to the threaded rod, the one end fixedly connected with knob of threaded rod is kept away from to stopper two, the surface of stopper two contacts with the surface of stopper one.

Furthermore, stop gear includes a spacing section of thick bamboo, the upper surface of a spacing section of thick bamboo and the bottom surface fixed connection of limiting plate, the inner wall sliding connection of a spacing section of thick bamboo has spacing post.

Furthermore, the inside of a spacing section of thick bamboo is equipped with the elastic component, the one end of elastic component and the inner wall fixed connection of a spacing section of thick bamboo, and the elastic component and the bottom surface fixed connection of spacing post.

Furthermore, the outer surface of the limiting column is fixedly connected with two mutually symmetrical limiting pieces, the outer surface of the limiting cylinder is provided with two mutually symmetrical limiting grooves II, and the limiting pieces are in sliding connection with the limiting grooves II.

Compared with the prior art, this airflow channel silence case possesses following beneficial effect:

1. the utility model discloses a set up fixed establishment, can fix sealing door, and then can make and carry out better sealed between sealing door and the silence case body, through setting up stop gear, can carry out spacing and release spacingly to the filter, the limiting plate plays the supporting role to the filter simultaneously, uses through the cooperation between limiting plate and the stop gear to reach and be convenient for dismantle the mesh of wasing or changing the filter screen.

2. The utility model discloses a rotate the knob, the knob can drive the rotation of following of stopper two and threaded rod this moment, can stall when stopper two and spacing groove coincide each other, rotate stopper one this moment, the stopper rotates around the dead lever surface for a moment, until passing stopper two and knob through spacing groove one, can remove the restriction to stopper two this moment, through pulling spacing piece downwards, at this moment spacing piece can drive spacing post and follow the removal, the bottom surface of spacing post can push down the elastic component this moment, the elastic component can produce ascending elasticity this moment, when loosening spacing piece, the elastic component can upwards promote spacing post and accomplish and reset this moment.

Drawings

Fig. 1 is a schematic view of a three-dimensional front view structure of the present invention;

fig. 2 is a schematic bottom sectional view of the present invention;

fig. 3 is a schematic view of the fixing mechanism of the present invention;

fig. 4 is a schematic view of the limiting mechanism of the present invention;

fig. 5 is a schematic view of a part of the structure of the present invention.

In the figure: 1. a mute box body; 2. connecting a pipeline; 3. a sealing door; 4. a fixing mechanism; 401. a fixed block; 402. a fixing rod; 403. a first limiting block; 404. a first limiting groove; 405. a second limiting block; 406. a knob; 407. a threaded rod; 5. a limiting plate; 6. a filter plate; 7. a limiting mechanism; 701. a limiting cylinder; 702. a limiting post; 703. an elastic member; 704. a limiting sheet; 705. and a second limiting groove.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

This embodiment provides one the utility model discloses a set up fixed establishment 4, can fix sealing door 3, and then can make and carry out better sealing between sealing door 3 and the silence case body 1, through setting up stop gear 7, can carry out spacingly and remove spacingly to filter 6, limiting plate 5 plays the supporting role to filter 6 simultaneously, uses through the cooperation between limiting plate 5 and the stop gear 7 to reach and be convenient for dismantle the mesh of wasing or changing the filter screen.

Referring to fig. 1 to 5, an airflow channel mute box comprises a mute box body 1, two connecting pipelines 2 are mounted on the outer surface of the mute box body 1, a sealing door 3 is arranged on the left side of the mute box body 1, a fixing mechanism 4 is arranged in front of the mute box body 1, a limiting plate 5 is arranged on the inner wall of the mute box body 1, a filter plate 6 is arranged inside the mute box body 1, and a limiting mechanism 7 is arranged inside the mute box body 1.

Here, the sealing door 3 is connected to the silent box body 1 in a hinged manner.

The fixing mechanism 4 comprises a fixing block 401 and a threaded rod 407, the outer surface of the fixing block 401 is fixedly connected with the outer surface of the mute box body 1, and the fixing rod 402 is fixedly connected inside the fixing block 401.

The outer surface of the fixed rod 402 is rotatably connected with a first limiting block 403, a first limiting groove 404 is formed inside the first limiting block 403, and the outer surface of the threaded rod 407 is in threaded connection with the inside of the sealing door 3.

Here, the first notch 404 is slightly larger than the second notch 405.

One end of the threaded rod 407 far away from the sealing door 3 is fixedly connected with a second limiting block 405, the second limiting block 405 is far away from one end of the threaded rod 407 and is fixedly connected with a knob 406, and the outer surface of the second limiting block 405 is in contact with the outer surface of the first limiting block 403.

When sealing between the sealing door 3 and the mute box body 1, firstly, the threaded rod 407 penetrates through the first limiting block 403 through the first limiting groove 404, then the threaded rod 407 is aligned with the jack on the side face of the sealing door 3, then the knob 406 is rotated, the second limiting block 405 and the threaded rod 407 are driven to rotate by the knob 406, at the moment, the threaded rod 407 can enter the sealing door 3 in a threaded mode until the second limiting block 405 is screwed to an angle perpendicular to the first limiting groove 404, and at the moment, the second limiting block 405 is just connected with the outer surface of the first limiting block 403, and at the moment, the fixing operation on the sealing door 3 is completed.

The limiting mechanism 7 comprises a limiting barrel 701, the upper surface of the limiting barrel 701 is fixedly connected with the bottom surface of the limiting plate 5, and the inner wall of the limiting barrel 701 is connected with a limiting column 702 in a sliding mode.

The elastic part 703 is arranged inside the limiting cylinder 701, one end of the elastic part 703 is fixedly connected with the inner wall of the limiting cylinder 701, and the elastic part 703 is fixedly connected with the bottom surface of the limiting column 702.

Here, the elastic member 703 is made of a spring and has elasticity.

The outer surface of the limiting column 702 is fixedly connected with two mutually symmetrical limiting pieces 704, the outer surface of the limiting cylinder 701 is provided with two mutually symmetrical limiting grooves 705, and the limiting pieces 704 are in sliding connection with the limiting grooves 705.

When installing the filter 6, at first upwards stimulate spacing piece 704, spacing piece 704 can drive spacing post 702 and follow the removal this moment, spacing post 702 can carry out the extrusion downwards to elastic component 703 simultaneously, then in the draw-in groove in pushing into the limiting plate 5 with filter 6, then loosen spacing piece 704, elastic component 703 can upwards promote spacing post 702 this moment, thereby make spacing post 702 carry out spacing purpose to filter 6, when needs take out filter 6, only need stimulate spacing piece 704 downwards, then the handle of pasting on the pulling filter 6 can take out the filter 6 among the silence case body 1, thereby reach and be convenient for dismantle the purpose of wasing or changing the filter screen.

The working principle is as follows: the utility model discloses when using, when sealing up between 3 and the silence case body 1, at first pass stopper one 403 with threaded rod 407 through spacing groove 404, then aim at the jack of 3 sides of sealing door with threaded rod 407, then rotate knob 406, knob 406 can drive stopper two 405 and threaded rod 407 rotation this moment, threaded rod 407 can the screw thread get into in the sealing door 3 this moment, until twisting stopper two 405 to with spacing groove one 404 mutually perpendicular's angle, and stopper two 405 just meet with the surface of stopper one 403 this moment, accomplish the fixed operation to sealing door 3 this moment, when installing filter 6, at first upwards spur spacing piece 704, spacing piece 704 can drive spacing post 702 and follow the removal this moment, spacing post 702 can carry out the downward extrusion to elastic component 703 simultaneously, then in pushing into the draw-in groove in the limiting plate 5 with filter 6, then loosen spacing piece 704, elastic component 703 can upwards promote spacing post 702 this moment, thereby make spacing post 702 carry out spacing purpose to 6, when needs take out 6, then the pulling is only need to reach on the filter 6 and the filter is pasted the filter case body and is dismantled the mesh of filter 1, thereby the filter of being convenient for change.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides an airflow channel silence case, includes silence case body (1), its characterized in that: the utility model discloses a loudspeaker box, including silence case body (1), the left side of silence case body (1) is equipped with sealing door (3), the place ahead of silence case body (1) is equipped with fixed establishment (4), the inner wall of silence case body (1) is equipped with limiting plate (5), the inside of silence case body (1) is equipped with filter (6), the inside of silence case body (1) is equipped with stop gear (7).

2. An airflow channel mute as claimed in claim 1, wherein: the fixing mechanism (4) comprises a fixing block (401) and a threaded rod (407), the outer surface of the fixing block (401) is fixedly connected with the outer surface of the mute box body (1), and a fixing rod (402) is fixedly connected inside the fixing block (401).

3. An airflow channel mute as claimed in claim 2, wherein: the outer surface of the fixed rod (402) is rotatably connected with a first limiting block (403), a first limiting groove (404) is formed in the first limiting block (403), and the outer surface of the threaded rod (407) is in threaded connection with the inner portion of the sealing door (3).

4. An airflow channel mute as claimed in claim 2, wherein: one end fixedly connected with stopper two (405) of sealing door (3) is kept away from in threaded rod (407), one end fixedly connected with knob (406) of threaded rod (407) is kept away from in stopper two (405), the surface of stopper two (405) contacts with the surface of stopper one (403).

5. An airflow channel mute as claimed in claim 1, wherein: the limiting mechanism (7) comprises a limiting barrel (701), the upper surface of the limiting barrel (701) is fixedly connected with the bottom surface of the limiting plate (5), and the inner wall of the limiting barrel (701) is connected with a limiting column (702) in a sliding mode.

6. An airflow channel mute as claimed in claim 5, wherein: an elastic part (703) is arranged inside the limiting cylinder (701), one end of the elastic part (703) is fixedly connected with the inner wall of the limiting cylinder (701), and the elastic part (703) is fixedly connected with the bottom surface of the limiting column (702).

7. An airflow channel mute as claimed in claim 5, wherein: the outer surface of the limiting column (702) is fixedly connected with two mutually symmetrical limiting pieces (704), the outer surface of the limiting barrel (701) is provided with two mutually symmetrical limiting grooves II (705), and the limiting pieces (704) are in sliding connection with the limiting grooves II (705).