CN215948560U

CN215948560U - Hide outer formula sound insulation wall that leaks of screw

Info

Publication number: CN215948560U
Application number: CN202121485817.4U
Authority: CN
Inventors: 季学勤; 阮学云; 吴启富
Original assignee: Nanjing Kaituo Environmental Protection Technology Co ltd
Current assignee: Nanjing Kaituo Environmental Protection Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-03-04
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a hidden screw outward-leakage type sound insulation wall which comprises a frame, wherein a sound insulation plate is welded on the inner wall of the frame, a sound insulation material plate is fixedly connected on the inner wall of the sound insulation plate, the sound insulation plate comprises a C-shaped shell, the C-shaped shell is welded with the frame, a groove is formed in the top end of the C-shaped shell, and a boss matched with the groove is fixedly connected at the bottom end of the C-shaped shell. According to the utility model, the noise elimination material plate consisting of the first sound insulation plate, the second sound insulation plate and the third sound insulation plate can adsorb noise generated during the operation of the exhaust fan of a cement plant, so that noise pollution is reduced, the arranged C-shaped shell, the through hole plate and the noise elimination hole can further reduce the noise pollution, and the arranged grooves and the bosses are matched with each other, so that the connection among a plurality of C-shaped shells is tighter.

Description

Hide outer formula sound insulation wall that leaks of screw

Technical Field

The utility model relates to the technical field of silencing instruments, in particular to a hidden screw leakage type sound insulation wall.

Background

The noise is the sound produced when the sounding body does irregular vibration. Sound is generated by vibration of an object, and propagates in a certain medium in the form of waves. Noise pollution is created when noise adversely affects people and the surrounding environment. Since the industrial revolution, the creation and use of various mechanical devices has brought prosperous and advanced to human beings, but at the same time, more and more noises are generated. The noise can not only cause damage to hearing, but also induce a plurality of carcinogenic and fatal diseases and interfere with life and work of people.

A large amount of noise can appear in the actual processing production process of cement plants, and especially the noise beside an exhaust fan is larger, so that a sound insulation wall needs to be designed to solve the problem of noise.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a hidden screw leakage type sound insulation wall.

In order to achieve the purpose, the utility model adopts the following technical scheme: a hidden screw outer leakage type sound insulation wall comprises a frame, wherein a sound insulation plate is welded on the inner wall of the frame and comprises a C-shaped shell, the C-shaped shell is welded with the frame, a groove is formed in the top end of the C-shaped shell, a boss matched with the groove is fixedly connected to the bottom end of the C-shaped shell, a through hole plate is arranged on the front wall of the C-shaped shell, embedded screws are arranged at four corners of the C-shaped shell, the through hole plate is fixedly connected with the C-shaped shell through the embedded screws, sound insulation holes are formed in the outer surface of the through hole plate, two sides of the C-shaped shell are respectively provided with an edge through double-faced adhesive tape, a sound insulation plate is fixedly connected to the inner wall of the sound insulation plate and comprises a first sound insulation plate, the first sound insulation plate is fixedly connected to the inner wall of the sound insulation plate, and a second sound insulation plate is fixedly connected to the bottom end of the first sound insulation plate, and the bottom end of the second sound insulation plate is fixedly connected with a third sound insulation plate.

As a further description of the above technical solution:

the first sound insulation board is a sound insulation felt, the second sound insulation board is glass wool, and the third sound insulation board is glass fiber cloth.

As a further description of the above technical solution:

the edge covering is a metal plate with the thickness of 0.18mm and the width of 50mm, and the color of the edge covering is the same as that of the C-shaped shell.

As a further description of the above technical solution:

the radius of the circular hole of the silencing hole is 3mm, and the through hole rate is 24%.

The utility model has the following beneficial effects:

compared with the prior art, this hide outer hourglass formula sound insulation wall body of screw, the noise elimination material board of constituteing through the first sound proof board that sets up, second sound proof board and third sound proof board, can adsorb the noise that cement plant exhaust fan during operation produced, the pollution of noise abatement, the C shape casing that sets up, the pollution of the noise reduction that logical orifice plate and noise elimination hole can step forward, mutually support between the recess and the boss that set up, can make the connection between a plurality of C shape casings inseparabler.

Drawings

FIG. 1 is a main structure diagram of a hidden screw leaking sound insulation wall provided by the utility model;

FIG. 2 is a rear view of a hidden screw leaking sound insulation wall body provided by the utility model;

FIG. 3 is a frame diagram of a hidden screw leaking sound insulation wall provided by the utility model;

FIG. 4 is a sound insulation board diagram of a sound insulation wall with hidden screws leaking outwards according to the utility model;

fig. 5 is a diagram of a sound attenuation material plate of a hidden screw leakage type sound insulation wall provided by the utility model.

Illustration of the drawings:

1. a frame; 2. a sound-absorbing panel; 21. a C-shaped housing; 22. a groove; 23. a boss; 24. a through hole plate; 25. Embedding screws; 26. a sound-deadening aperture; 27. edge covering; 31. a first sound insulating panel; 32. a second sound insulating panel; 33. And a third sound insulation board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the sound insulation wall body with the hidden screws leaking outwards comprises a frame 1, a sound insulation plate 2 is welded on the inner wall of the frame 1, and a sound insulation material plate is fixedly connected to the inner wall of the sound insulation plate 2, so that the influence of noise generated by an exhaust fan in a cement plant on the outside can be reduced.

The silencing plate 2 comprises a C-shaped shell 21, the C-shaped shell 21 is welded with a frame 1, a groove 22 is formed in the top end of the C-shaped shell 21, a boss 23 matched with the groove 22 is fixedly connected to the bottom end of the C-shaped shell 21, a through hole plate 24 is arranged on the front wall of the C-shaped shell 21, embedded screws 25 are arranged at four corners of the C-shaped shell 21, the through hole plate 24 is fixedly connected with the C-shaped shell 21 through the embedded screws 25, silencing holes 26 are formed in the outer surface of the through hole plate 24, edges 27 are fixedly connected to two sides of the C-shaped shell 21 through double-faced adhesive tapes, and noise generated during working of part of exhaust fans can be adsorbed through the silencing plate 2.

The noise elimination material plate comprises a first sound insulation plate 31, the first sound insulation plate 31 is fixedly connected with the inner wall of the noise elimination plate 2, the bottom end of the first sound insulation plate 31 is fixedly connected with a second sound insulation plate 32, the bottom end of the second sound insulation plate 32 is fixedly connected with a third sound insulation plate 33, and the three layers of sound insulation plates can further absorb noise.

The first sound insulation board 31 is a sound insulation felt, the second sound insulation board 32 is glass wool, and the third sound insulation board 33 is glass fiber cloth, so that the effect of isolating adsorption noise can be achieved.

The edge 27 is a metal plate with the thickness of 0.18mm and the width of 50mm, the color of the metal plate is the same as that of the C-shaped shell 21, and the two sides of the C-shaped shell 21 are conveniently sealed by the edge 27.

The radius of the circular hole of the silencing hole 26 is 3mm, the through hole rate is 24%, and the silencing effect can be achieved.

The working principle is as follows: when the sound insulation board is used, the sound insulation felt of the first sound insulation board 31, the glass wool of the second sound insulation board 32 and the glass fiber cloth of the third sound insulation board 33 can achieve the effect of isolating adsorption noise, and the sound insulation holes 26 with the through hole rate of 24%, the C-shaped shell 21 and the covered edge 27 can further enhance the sound insulation and noise elimination effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a hide outer formula sound insulation wall that leaks of screw, includes frame (1), its characterized in that: the sound-absorbing board is characterized in that the sound-absorbing board (2) is welded on the inner wall of the frame (1), the sound-absorbing board (2) comprises a C-shaped shell (21), the C-shaped shell (21) is welded with the frame (1), a groove (22) is formed in the top end of the C-shaped shell (21), a boss (23) matched with the groove (22) is fixedly connected to the bottom end of the C-shaped shell (21), a through hole board (24) is arranged on the front wall of the C-shaped shell (21), embedded screws (25) are arranged at four corners of the C-shaped shell (21), the through hole board (24) is fixedly connected with the C-shaped shell (21) through the embedded screws (25), a sound-absorbing hole (26) is formed in the outer surface of the through hole board (24), edges (27) are fixedly connected to two sides of the C-shaped shell (21) through double faced adhesive tapes, and a sound-absorbing material board is fixedly connected to the inner wall of the sound-absorbing board (2), the noise elimination material plate comprises a first sound insulation plate (31), the first sound insulation plate (31) is fixedly connected with the inner wall of the noise elimination plate (2), the bottom end of the first sound insulation plate (31) is fixedly connected with a second sound insulation plate (32), and the bottom end of the second sound insulation plate (32) is fixedly connected with a third sound insulation plate (33).

2. The hidden screw outward-leaking sound insulation wall body as claimed in claim 1, wherein: the first sound insulation board (31) is a sound insulation felt, the second sound insulation board (32) is glass wool, and the third sound insulation board (33) is glass fiber cloth.

3. The hidden screw outward-leaking sound insulation wall body as claimed in claim 1, wherein: the edge cover (27) is a metal plate with the thickness of 0.18mm and the width of 50mm, and the color of the metal plate is the same as that of the C-shaped shell (21).

4. The hidden screw outward-leaking sound insulation wall body as claimed in claim 1, wherein: the radius of the circular hole of the silencing hole (26) is 3mm, and the through hole rate is 24%.