CN217463688U

CN217463688U - Folded plate type silencer

Info

Publication number: CN217463688U
Application number: CN202221554193.1U
Authority: CN
Inventors: 杭志远; 杭宸羽; 卢校良; 陈颖; 姜军; 蒋剑峰; 林芳; 刘立林; 许佶; 宋锦南
Original assignee: Jiangsu Yuanxing Group Construction Co ltd
Current assignee: Jiangsu Yuanxing Group Construction Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-09-20
Anticipated expiration: 2032-06-21

Abstract

The utility model discloses a folded plate formula silencer, including shell, noise reduction piece, sliding plate and standing groove, the upper end of shell evenly is provided with the opening, and inlays in the opening and have the noise reduction piece, and the top of noise reduction piece is provided with the roof, the inside lower extreme of shell is provided with the standing groove, and both ends all are provided with the sliding plate around the standing groove, the position of sliding plate and standing groove is corresponding with the open-ended position, and sliding plate and standing groove and noise reduction piece cooperate. The silencing sheet and the shell of the folded plate type silencer are separated, the silencing sheet and the shell form a sliding structure, when the silencing sheet is blocked or damaged, a user only needs to use a handle to easily draw out the top plate and the silencing sheet from the opening, the silencing sheet is replaced, time and labor are saved, the folded plate type silencer is simple and convenient, the silencing sheet is V-shaped, the reflection frequency of sound waves is increased, the silencing performance of silencing is improved, vibration is reduced, the effect of slowing down the air flow is achieved, vibration is reduced, and noise is reduced.

Description

Folded plate type silencer

Technical Field

The utility model belongs to ventilation sound proof window field specifically is a folded plate formula silencer.

Background

The silencer is a silencer, which can attenuate or reflect the noise in the pipeline by using the pipeline and elbow with sound absorption lining or using the noise reduction devices such as the pipeline with suddenly changed sectional area and other discontinuous acoustic impedance, the folded plate silencer is a silencer, which can reduce the sound transmission under the condition of ensuring ventilation, and is a plate-type resistance silencer, the sound absorption plate is a folded plate type, the reflection times of the sound wave are increased, the silencing performance of the silencer is improved, and the important measure for eliminating the aerodynamic noise is provided, the silencing plates and the shell of the traditional folded plate silencer are fixed together, when one or more of the silencing plates are damaged or invalid, the silencing effect of the folded plate silencer is greatly reduced if the silencing plates are not replaced in time, moreover, the replacement of the silencing sheet is very troublesome, and wastes time and labor.

Disclosure of Invention

The above-mentioned problem to prior art exists, the utility model aims to solve the technical problem that a folded plate formula silencer is provided to it is very troublesome, the problem that wastes time and energy to solve present noise damping piece and dismantle from the shell.

In order to solve the technical problem, the utility model discloses a technical scheme be:

the utility model provides a folded plate formula silencer, includes shell, noise elimination piece, sliding plate and standing groove, the upper end of shell evenly is provided with the opening, and inlays in the opening and have noise elimination piece, and the top of noise elimination piece is provided with the roof, the inside lower extreme of shell is provided with the standing groove, and both ends all are provided with the sliding plate around the standing groove, the position of sliding plate and standing groove corresponds with the open-ended position, and sliding plate and standing groove cooperate with noise elimination piece.

Furthermore, the silencing sheet comprises glass wool and hydrophobic glass cloth, and the hydrophobic glass cloth is wrapped on the outer surface of the glass wool.

Furthermore, the sliding plate and the placing groove are both fixedly connected with the shell, and the sliding plate is positioned at the inlet and the outlet of the shell.

Furthermore, the inner side of the sliding plate is provided with a sliding groove, the sliding groove is matched with the side edge of the silencing sheet, and the shape of the placing groove is matched with the lower end face of the silencing sheet.

Furthermore, a sealing ring is arranged at the joint of the top plate and the silencing sheet, and a foldable handle is arranged at the upper end of the top plate.

Further, the cross section of the silencing sheet is V-shaped, and the angle of the silencing sheet is 120-160 degrees.

Furthermore, an inlet and an outlet of the shell are both provided with angle steel.

Has the advantages that: compared with the prior art, the method has the following advantages:

the silencing sheet and the shell of the folded plate type silencer are separated, the silencing sheet and the shell form a sliding structure, when the silencing sheet is blocked or damaged, a user only needs to use a handle to easily draw the top plate and the silencing sheet out of the opening, the silencing sheet is replaced, time and labor are saved, the folded plate type silencer is simple and convenient, the silencing sheet is V-shaped, the reflection frequency of sound waves is increased, the silencing performance of silencing is improved, vibration is reduced, the effect of slowing down the air flow is achieved, vibration is reduced, noise is reduced, the air flow energy is reduced, abrasion of dust to the inner wall along with the air flow is avoided, the service life is prolonged, and the use performance is improved.

Drawings

FIG. 1 is a front view of a flap muffler;

FIG. 2 is a top view of a flap muffler;

fig. 3 is a partial structure schematic diagram of the folded plate type silencer.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, 2 and 3, the baffle type muffler of the present application comprises a housing 1, a muffler plate 3, a sliding plate 6 and a placement groove 7, wherein an opening 101 is uniformly formed at the upper end of the housing 1, the opening 101 is matched with the muffler plate 3 and the top plate 2, the shape of the opening 101 is consistent with the shape of the muffler plate 3 and the top plate 2, the muffler plate 3 is embedded in the opening 101, the top end of the muffler plate 3 is provided with the top plate 2, the muffler plate 3 and the housing 1 form a sliding structure through the opening 101, when the muffler plate 3 is blocked or damaged, a user can easily draw the top plate 2 and the muffler plate 3 out of the opening 101 by using only a handle on the top plate 2, so as to replace the muffler plate, which is time-saving, labor-saving, simple and convenient, the placement groove 7 is formed at the lower end of the housing 1, the placement groove 7 can hold the bottom end of the muffler plate 3, so as to ensure the stability of the muffler plate 3, and both ends all are provided with sliding plate 6 around standing groove 7, and the position of sliding plate 6 and standing groove 7 is corresponding with the position of opening 101, and sliding plate 6 and standing groove 7 cooperate with noise elimination piece 3, are provided with the sliding tray in the sliding plate 6, make things convenient for the slip of noise elimination piece 4 on the one hand, and on the other hand can guarantee noise elimination piece 4's stability.

The silencing pieces 3 comprise glass wool 4 and hydrophobic glass cloth 5, the hydrophobic glass cloth 5 wraps the outer surface of the glass wool 4, effective channels between the silencing pieces 3 are large, pressure loss is small, and the silencing effect is improved.

Sliding plate 6 and standing groove 7 all with shell 1 fixed connection, improve joint strength and stability, and sliding plate 6 is located the import and the exit of shell 1, and sliding plate 6 can play certain guard action, has blockked the impact of air current, avoids the dust to follow the air current to the positive wearing and tearing of muffler piece 4, has prolonged life, has improved performance.

The inboard of sliding plate 6 is provided with the sliding tray, and the sliding tray matches with the side of noise elimination piece 3, makes things convenient for the slip of noise elimination piece 4 on the one hand, and on the other hand can guarantee the stability of noise elimination piece 4, and the shape of standing groove 7 and the phase-match of terminal surface under the noise elimination piece 3, the bottom of noise elimination piece 3 can be held to standing groove 7, guarantees the stability of noise elimination piece 3.

The junction of roof 2 and noise reduction piece 3 is provided with the sealing washer, provides the leakproofness on the one hand, and on the other hand improves frictional force, guarantees stability, and the upper end of roof 2 is provided with folding handle, and current folding handle reduces the rate of utilization in space.

The cross section of the silencing sheet 3 is V-shaped, the angle of the silencing sheet 3 is 120-160 degrees, the reflection times of sound waves are increased, the silencing performance of silencing is improved, vibration is reduced, the effect of air flow is relieved, vibration is reduced, and noise is reduced.

The import and the exit of shell 1 all are provided with the angle steel, are provided with the flange hole on the angle steel, conveniently are connected with external equipment.

The utility model provides a thought and implementation method of folded plate formula silencer, the concrete application way is many, only above is the utility model discloses an optimal implementation mode should point out, to the ordinary technical personnel of this technical field, is not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements, these improvements should also be regarded as the utility model discloses a protection scope.

Claims

1. A folded plate muffler is characterized in that: including shell (1), noise elimination piece (3), sliding plate (6) and standing groove (7), the upper end of shell (1) evenly is provided with opening (101), and has embedded noise elimination piece (3) in opening (101), and the top of noise elimination piece (3) is provided with roof (2), the inside lower extreme of shell (1) is provided with standing groove (7), and both ends all are provided with sliding plate (6) around standing groove (7), the position of sliding plate (6) and standing groove (7) is corresponding with the position of opening (101), and sliding plate (6) and standing groove (7) cooperate with noise elimination piece (3).

2. The flap muffler according to claim 1, wherein: the silencing sheet (3) comprises glass wool (4) and hydrophobic glass cloth (5), wherein the hydrophobic glass cloth (5) is wrapped on the outer surface of the glass wool (4).

3. The flap muffler according to claim 1, wherein: the sliding plate (6) and the placing groove (7) are fixedly connected with the shell (1), and the sliding plate (6) is positioned at an inlet and an outlet of the shell (1).

4. The flap muffler according to claim 3, wherein: the inner side of the sliding plate (6) is provided with a sliding groove, the sliding groove is matched with the side edge of the silencing sheet (3), and the shape of the placing groove (7) is matched with the lower end face of the silencing sheet (3).

5. The flap muffler according to claim 1, wherein: the joint of the top plate (2) and the silencing sheet (3) is provided with a sealing ring, and the upper end of the top plate (2) is provided with a foldable handle.

6. The flap muffler according to claim 1, wherein: the cross section of the silencing sheet (3) is V-shaped, and the angle of the silencing sheet (3) is 120-160 degrees.

7. The flap muffler according to claim 1, wherein: and angle steels are arranged at the inlet and the outlet of the shell (1).