CN215417519U

CN215417519U - Stainless steel muffler

Info

Publication number: CN215417519U
Application number: CN202120541465.3U
Authority: CN
Inventors: 段能为
Original assignee: Anhui Sanhua Refrigeration New Material Technology Co Ltd
Current assignee: Anhui Sanhua Refrigeration New Material Technology Co Ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2022-01-04
Anticipated expiration: 2031-03-16

Abstract

The utility model provides a stainless steel silencer, which comprises a shell, wherein a waste gas inlet is fixedly arranged on the front surface of the shell, a butt joint frame and a first filter screen are arranged on the waste gas inlet, a waste gas outlet is arranged on one side of the shell, a protective grating and a second filter screen are arranged on the waste gas outlet, a vacuum interlayer is arranged on the inner wall of the shell, a buffer cavity and an echo cavity are respectively arranged in the shell, a first impact block and a second impact block are respectively arranged on two sides of the center of the interior of the buffer cavity, and a first sound absorption filler is arranged on the side wall of the second impact block. This kind of stainless steel muffler through being provided with the shell that stainless steel material made to the guarantee device avoids producing the condition such as corrosion at the in-process of long-time use, and the installation of the device of not only being convenient for still multi-level purifies exhaust waste gas, thereby the environmental protection, the resistive nature noise abatement of multi-level elbow and isolated noise, thereby further promotion muffler practicality accords with consumer's demand more.

Description

Stainless steel muffler

Technical Field

The utility model relates to the technical field of silencers, in particular to a stainless steel silencer.

Background

The silencer is a device which can make the air flow pass through and can effectively reduce the noise, and comprises a section of silencing tube with a larger diameter, and an air inlet pipe and an air outlet pipe which are welded at the two ends of the silencing tube. The silencing barrel, the air inlet pipe and the air outlet pipe of the traditional silencer are all made of copper pipes, and the copper material is high in price, so that the cost of the silencer is higher. The silencer formed by welding the iron silencing pipe and the copper air inlet and outlet pipe appears in the market, the iron material replaces the copper material, the cost is saved, but the outer wall of the iron silencing pipe needs to be sprayed with an anti-rust layer, the anti-rust layer is generally made of anti-rust paint or anti-rust coating, the materials easily cause environmental pollution in the spraying process, and the inner wall of the silencing pipe is not sprayed with the anti-rust layer and still easily rusts and corrodes. We have therefore developed this and have proposed a stainless steel muffler.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a stainless steel silencer, comprising:

the device comprises a shell, wherein a waste gas inlet is fixedly arranged on the front surface of the shell, a butt joint frame and a first filter screen are arranged on the waste gas inlet, a waste gas outlet is arranged on one side of the shell, a protective grating and a second filter screen are arranged on the waste gas outlet, a vacuum interlayer is arranged on the inner wall of the shell, and a buffer chamber and an echo chamber are respectively arranged in the shell;

the sound absorption device comprises a buffer chamber, a first impact block and a second impact block are respectively arranged on two sides of the center of the interior of the buffer chamber, and a first sound absorption filler is arranged on the side wall of the second impact block;

the acoustic wave cavity comprises an acoustic wave cavity body, wherein a second sound absorption filler is fixedly installed in the center of the interior of the acoustic wave cavity body, a third sound absorption filler is installed on one side of the inner wall of the acoustic wave cavity body, and a cavity, a capillary pore layer and a sound insulation board are installed on the inner walls of the acoustic wave cavity body and the buffer cavity body.

As a preferred technical scheme of the present invention, the housing is made of stainless steel metal and has a rectangular structural design, and the exhaust gas inlet and the exhaust gas outlet are installed on the surface of the housing and are communicated with the echo chamber through the buffer chamber to form a right-angle sound-deadening structure.

As a preferable technical scheme of the utility model, the surface of the butt joint frame is provided with a plurality of threaded holes and is welded on the surface of the waste gas inlet, the first filter screen is clamped and installed in the inner wall of the waste gas inlet, and the waste gas inlet is connected with one side of the buffer chamber.

As a preferred technical solution of the present invention, the vacuum interlayer is embedded in the center of the inner wall of the housing, the acoustic panel is attached to the inner wall surface of the housing, the cavity has a plurality of groups of pores, the groups of pores are arranged on the surface of the acoustic panel, the cavity is separated from the buffer chamber and the echo chamber by a capillary layer, and the capillary layer is made of a plate material and has a plurality of groups of pores on the surface.

As a preferred technical solution of the present invention, the first impact block is designed to have a triangular structure and is fixedly installed at one side of the inner center of the buffer chamber, the second impact block is designed to have a cylindrical shape and is fixedly installed at the other side of the inner center of the buffer chamber, the first sound-absorbing filler is provided with a plurality of groups of sound-absorbing fillers which are installed between the side wall of the second impact block and the capillary orifice layer in an encircling manner, and the interior of the first sound-absorbing filler is provided with an S-shaped structure channel.

As a preferred technical solution of the present invention, the second sound-absorbing filler is provided with a plurality of groups and is vertically arranged at the center of the interior of the echo cavity, the third sound-absorbing filler is provided with a plurality of groups and is transversely arranged between the second sound-absorbing filler and the exhaust gas outlet, and the first sound-absorbing filler, the second sound-absorbing filler and the third sound-absorbing filler are all made of glass wool or sound-absorbing cotton material.

As a preferred technical scheme of the present invention, the buffer chamber and the echo chamber are fixedly connected by a rectifying plate, the second filter screen is installed in the inner wall of the exhaust gas outlet in a clamping manner, the surface of the protective grid is provided with a fastening frame installed on the surface of the exhaust gas outlet, and the mounting frame preformed holes are provided with a plurality of groups and symmetrically installed on the side wall edge of the housing.

The utility model has the beneficial effects that: according to the stainless steel silencer, the shell made of stainless steel materials is arranged, so that the situation that the device is rusted and the like in the long-time use process is avoided; the exhaust gas inlet and the exhaust gas outlet which are formed by the first filter screen, the second filter screen, the butt joint frame, the protective grating and the fastening frame are arranged, so that the device is convenient to mount, and the exhausted exhaust gas is purified in multiple layers, so that the environment is protected; through being provided with the muffler that constitutes such as buffer chamber, echo chamber, acoustic celotex board and vacuum interlayer, the multi-level elbow of being convenient for is resistive nature noise abatement and isolated noise to further promotion muffler practicality accords with consumer's demand more.

Drawings

The above and other objects, features and advantages of the present disclosure will become more apparent by describing in greater detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.

FIG. 1 is a perspective view of a stainless steel muffler of the present invention;

fig. 2 is a sectional view showing the internal structure of a stainless steel muffler according to the present invention.

In the figure: 1. a housing; 2. an exhaust gas inlet; 3. an exhaust gas outlet; 4. a docking rack; 5. a first filter screen; 6. A protective grid; 7. a second filter screen; 8. a fastening frame; 9. mounting frame prepared holes; 10. vacuum interlayer; 11. A cavity; 12. a first impact block; 13. a capillary bore layer; 14. a first sound absorbing filler; 15. a buffer chamber; 16. a second impact block; 17. a rectifying plate; 18. an echogenic chamber; 19. a second sound absorbing filling; 20. A third sound absorbing filling; 21. an acoustical panel.

Detailed Description

Preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Example (b): as shown in fig. 1-2, a stainless steel muffler of the present invention comprises:

the device comprises a shell 1, wherein a waste gas inlet 2 is fixedly arranged on the front surface of the shell 1, a butt joint frame 4 and a first filter screen 5 are arranged on the waste gas inlet 2, a waste gas outlet 3 is arranged on one side of the shell 1, a protective grating 6 and a second filter screen 7 are arranged on the waste gas outlet 3, a vacuum interlayer 10 is arranged on the inner wall of the shell 1, and a buffer chamber 15 and an echo chamber 18 are respectively arranged in the shell 1;

a buffer chamber 15, wherein a first impact block 12 and a second impact block 16 are respectively arranged on two sides of the center of the interior of the buffer chamber 15, and a first sound absorption filler 14 is arranged on the side wall of the second impact block 16;

the inside center of echo cavity 18, echo cavity 18 is fixed with second sound absorption filler 19, and the inner wall one side of echo cavity 18 is installed third sound absorption filler 20, and cavity 11, capillary orifice layer 13 and acoustic celotex board 21 are all installed to the inner wall of echo cavity 18 and buffer chamber 15.

Wherein, shell 1 is made by stainless steel metal material and is the design of rectangle structure, and waste gas import 2 and waste gas outlet 3 install on the surface of shell 1 and constitute right angle amortization structure through

buffer chamber

15 and 18 UNICOMs of echo chamber.

Wherein, the surface of butt joint frame 4 is provided with a plurality ofly and installs the surface at waste gas import 2 at screw hole and welding, and the block of first filter screen 5 is installed in waste gas import 2's inner wall, and waste gas import 2 is connected with one side of buffer chamber 15.

Wherein, vacuum interlayer 10 inlays to establish and installs at the inner wall center of shell 1, and the laminating of acoustic celotex board 21 is installed on the inner wall surface of shell 1, and cavity 11 is provided with the surface that a plurality of groups installed at acoustic celotex board 21, and cavity 11 is separated with buffer chamber 15 and echo chamber 18 through capillary layer 13, and capillary layer 13 is made by panel and the surface is provided with a plurality of groups pore.

Wherein, first striking piece 12 is triangle-shaped structural design and fixed mounting in the inside center one side of cushion chamber 15, and second striking piece 16 is cylindric design fixed mounting in the inside center opposite side of cushion chamber 15, and first acoustic filler 14 is provided with a plurality of groups and encircles between the lateral wall of second striking piece 16 and capillary orifice layer 13, and the inside of first acoustic filler 14 is provided with "S" structure corridor.

Wherein, second sound absorption filler 19 is provided with a plurality of groups and is vertical arrangement and installs at the inside center of echo cavity 18, and third sound absorption filler 20 is provided with a plurality of groups and is horizontal arrangement and installs between second sound absorption filler 19 and exhaust outlet 3, and first sound absorption filler 14, second sound absorption filler 19 and third sound absorption filler 20 are made by glass cotton or the cotton material of inhaling the sound.

Wherein, through being provided with cowling panel 17 fixed connection between buffer chamber 15 and the echo cavity 18, the block of second filter screen 7 is installed in the inner wall of exhaust outlet 3, and the surface of protection grid 6 is provided with fastening frame 8 and installs the surface at exhaust outlet 3, and mounting bracket preformed hole 9 is provided with the lateral wall edge at shell 1 of a plurality of groups and symmetry installation.

The working principle is as follows: when in use, the shell 1 made of stainless steel is arranged, so that the device is prevented from being rusted and the like in the long-time use process; the exhaust gas inlet 2 and the exhaust gas outlet 3 which are formed by the first filter screen 5, the second filter screen 7, the butt joint frame 4, the protective grating 5 and the fastening frame 8 are arranged, so that the device is convenient to mount, and the exhausted exhaust gas is purified in multiple layers, so that the environment is protected; through being provided with buffer chamber 15, echo chamber 18, the muffler of constitutions such as acoustic celotex board 21 and vacuum interlayer 10, second sound absorption filler 9 and third sound absorption filler through first sound absorption filler 14 in buffer chamber 15 and in the echo chamber 18 constitute right angle amortization structure, be supplementary in capillary orifice layer 13, cavity 11, acoustic celotex board 21 and vacuum interlayer 11 further cushion the noise absorption, be convenient for the resistive elimination noise of multi-level elbow and isolated noise, thereby further promotion muffler practicality, accord with consumer's demand more.

It will be appreciated by persons skilled in the art that the above description of embodiments of the utility model is intended only to illustrate the benefits of embodiments of the utility model and is not intended to limit embodiments of the utility model to any examples given.

Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A stainless steel muffler, comprising:

the device comprises a shell (1), wherein a waste gas inlet (2) is fixedly installed on the front surface of the shell (1), a butt joint frame (4) and a first filter screen (5) are installed on the waste gas inlet (2), a waste gas outlet (3) is installed on one side of the shell (1), a protective grating (6) and a second filter screen (7) are arranged on the waste gas outlet (3), a vacuum interlayer (10) is arranged on the inner wall of the shell (1), and a buffer chamber (15) and an echo chamber (18) are respectively arranged in the shell (1);

the sound absorption structure comprises a buffer chamber (15), wherein a first impact block (12) and a second impact block (16) are respectively installed on two sides of the center of the interior of the buffer chamber (15), and a first sound absorption filler (14) is installed on the side wall of the second impact block (16);

echo cavity (18), the inside center fixed mounting of echo cavity (18) has second sound absorption filler (19), third sound absorption filler (20) are installed to the inner wall one side of echo cavity (18), cavity (11), capillary bore layer (13) and acoustic celotex board (21) are all installed to the inner wall of echo cavity (18) and buffer chamber (15).

2. The stainless steel muffler of claim 1, wherein:

the shell (1) is made by stainless steel metal material and is the design of rectangle structure, install on the surface of shell (1) and constitute right angle amortization structure through buffer chamber (15) and echo chamber (18) UNICOM in waste gas import (2) and waste gas outlet (3).

3. The stainless steel muffler of claim 1, wherein:

the surface of the butt joint frame (4) is provided with a plurality of surfaces which are arranged at the threaded holes and welded on the waste gas inlet (2), the first filter screen (5) is clamped and arranged in the inner wall of the waste gas inlet (2), and the waste gas inlet (2) is connected with one side of the buffer chamber (15).

4. The stainless steel muffler of claim 1, wherein:

vacuum intermediate layer (10) are inlayed and are established the inner wall center of installing in shell (1), the inner wall surface at shell (1) is installed in the laminating of acoustic celotex board (21), cavity (11) are provided with the surface that a plurality of groups installed at acoustic celotex board (21), cavity (11) are separated through capillary orifice layer (13) and buffer chamber (15) and echo chamber (18), capillary orifice layer (13) are made by panel and the surface is provided with a plurality of groups pore.

5. The stainless steel muffler of claim 1, wherein:

the sound absorbing structure is characterized in that the first impact block (12) is designed to be a triangular structure and is fixedly installed on one side of the inner center of the buffer chamber (15), the second impact block (16) is designed to be cylindrical and is fixedly installed on the other side of the inner center of the buffer chamber (15), the first sound absorbing filler (14) is provided with a plurality of groups of sound absorbing fillers which are installed between the side wall of the second impact block (16) and the capillary hole layer (13) in a surrounding mode, and an S-shaped structure channel is arranged inside the first sound absorbing filler (14).

6. The stainless steel muffler of claim 1, wherein:

second sound absorption filler (19) are provided with a plurality of groups and are vertical arrangement and install the inside center at echo cavity (18), third sound absorption filler (20) are provided with a plurality of groups and are transverse arrangement and install between second sound absorption filler (19) and exhaust outlet (3), first sound absorption filler (14), second sound absorption filler (19) and third sound absorption filler (20) are made by glass cotton or sound cotton material of inhaling.

7. The stainless steel muffler of claim 1, wherein:

through being provided with cowling panel (17) fixed connection between buffer chamber (15) and echo chamber (18), second filter screen (7) block is installed in the inner wall of exhaust outlet (3), the surface of protection grid (6) is provided with fastening frame (8) and installs the surface at exhaust outlet (3), and mounting bracket preformed hole (9) are provided with the lateral wall edge that a plurality of groups and symmetry installed at shell (1).