CN215860394U

CN215860394U - Silencer separation disc with noise reduction function

Info

Publication number: CN215860394U
Application number: CN202122373135.0U
Authority: CN
Inventors: 马旭
Original assignee: Shandong Xinke Hydraulic Co ltd
Current assignee: Shandong Xinke Hydraulic Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-02-18
Anticipated expiration: 2031-09-29

Abstract

The utility model provides a muffler partition plate with a noise reduction function, which comprises: first iron plate, the cotton is inhaled in the laminating of the outside one side of first iron plate, it has the second iron plate to inhale the cotton outside one side laminating of sound, first iron plate evenly plates with the outside of second iron plate and is equipped with the galvanizing coat, first iron plate, inhale the cotton and the second iron plate between as an organic whole structure of sound, amortization aperture, spacing hole and blast pipe fixed orifices have been seted up to the outside of first iron plate. The muffler partition disc with the noise reduction function is provided with the sound absorption cotton between the first iron plate and the second iron plate, the sound absorption cotton is provided with a plurality of micropores formed by air, sound waves reaching the sound absorption cotton can be buffered and absorbed, so that the sound waves are not reflected out on the plane with the sound absorption cotton, the sound absorption and noise reduction effects are achieved, meanwhile, the sound absorption small holes are formed, the hole diameter is small, the reflection frequency is high, the output sound is clear, a high-frequency sound field with clear tone color and smooth curves can be formed, and the sound is effectively reduced.

Description

Silencer separation disc with noise reduction function

Technical Field

The utility model relates to the field of muffler separation discs, in particular to a muffler separation disc with a noise reduction function.

Background

The automobile silencer is a part for reducing noise generated when an engine of a motor vehicle works, and because the length difference value of the two pipelines is equal to half of the wavelength of sound waves emitted by the automobile, the two lines of sound waves interfere with each other to offset each other when being superposed, so that the sound intensity is weakened, the sound is reduced, and the silencing effect is achieved.

However, the existing muffler partition plate has no good noise reduction function, has poor noise reduction effect in the installation of the muffler, and cannot effectively reduce the noise of an automobile engine, so that the problem of serious noise pollution caused by large working sound of the automobile engine is solved.

Therefore, it is necessary to provide a muffler partition plate with a noise reduction function to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a muffler partition plate with a noise reduction function, which solves the problems that the existing muffler partition plate has no good noise reduction function, has poor noise reduction effect in the installation of a muffler, can not effectively reduce the noise of an automobile engine, and causes large working sound of the automobile engine and serious noise pollution.

The utility model provides a muffler partition plate with a noise reduction function, which comprises: first iron plate, the cotton is inhaled in the laminating of the outside one side of first iron plate, it has the second iron plate to inhale the cotton outside one side laminating of sound, first iron plate evenly plates with the outside of second iron plate and is equipped with the galvanizing coat, first iron plate, inhale the sound and be integrated structure between cotton and the second iron plate, amortization aperture, spacing hole and blast pipe fixed orifices have been seted up to the outside of first iron plate, and amortization aperture, spacing hole and blast pipe fixed orifices run through in inhaling cotton and second iron plate.

Preferably, the exhaust pipe fixing holes are located below the limiting holes, the number of the exhaust pipe fixing holes is two, and the exhaust pipe fixing holes are symmetrically distributed about a central axis of the first iron plate.

Preferably, the silencing small holes are distributed on the outer part of the first iron plate at equal intervals, and the diameter of each silencing small hole is three millimeters.

Preferably, the sound-absorbing cotton is made of glass fiber.

Preferably, the outer edge of the first iron plate is welded with a surrounding edge, and the front surface of the first iron plate is rectangular.

Compared with the related art, the muffler partition plate with the noise reduction function provided by the utility model has the following beneficial effects:

this silencer separation disc is equipped with between first iron plate and second iron plate and inhales the sound cotton, inhales the sound cotton micropore that has the countless air to constitute, can cushion and absorb the cotton sound wave of sound of reacing, make that plane that has the sound cotton of inhaling no longer have the sound wave reflection to go out, play and inhale the effect of making an uproar and falling, seted up the amortization aperture simultaneously, the aperture is little, the reflection frequency is high, output sound is clear, can form the tone quality clear, the high frequency sound field of curve smoothness, effectual reduction sound.

Drawings

FIG. 1 is a schematic structural diagram of a muffler partition plate with noise reduction function according to a preferred embodiment of the present invention;

FIG. 2 is a schematic front view of the structure of FIG. 1;

fig. 3 is a schematic cross-sectional view of fig. 1.

In the figure: 1. a first iron plate; 2. a sound-deadening pore; 3. a limiting hole; 4. an exhaust pipe fixing hole; 5. surrounding edges; 6. sound-absorbing cotton; 7. a second iron plate; 8. and (4) a zinc coating.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a muffler partition plate with a noise reduction function according to a preferred embodiment of the present invention; FIG. 2 is a schematic front view of the structure of FIG. 1; fig. 3 is a schematic sectional view of fig. 1, and a muffler partition plate with a noise reduction function includes: first iron plate 1, the cotton 6 of sound absorption has been laminated to the outside one side of first iron plate 1, the cotton 6 outside one side laminating of sound absorption has second iron plate 7, first iron plate 1 evenly plates with the outside of second iron plate 7 and is equipped with galvanizing coat 8, first iron plate 1, inhale the cotton 6 of sound and the second iron plate 7 between the structure of as an organic whole, amortization aperture 2 has been seted up to the outside of first iron plate 1, spacing hole 3 and blast pipe fixed orifices 4, and amortization aperture 2, spacing hole 3 runs through in inhaling cotton 6 of sound and second iron plate 7 with blast pipe fixed orifices 4.

The exhaust pipe fixing holes 4 are located below the limiting holes 3, the number of the exhaust pipe fixing holes 4 is two, and the exhaust pipe fixing holes 4 are symmetrically distributed about the central axis of the first iron plate 1 and used for fixing the pipeline.

The silencing holes 2 are distributed in the outer portion of the first iron plate 1 in an equal distance mode, the diameter of each silencing hole 2 is three millimeters, the aperture is small, the reflection frequency is high, the output sound is clear, a high-frequency sound field with clear tone color and smooth curve can be formed, and the sound is effectively reduced.

Inhale the material of sound cotton 6 and be glass fiber, inhale sound cotton 6 and have the micropore that the innumerable air is constituteed, can cushion and absorb the sound wave that arrives and inhale sound cotton 6, make that plane that has sound cotton 6 of inhaling no longer have the sound wave reflection to go out, play the effect of inhaling the sound and making an uproar.

The outer edge of the first iron plate 1 is welded with a surrounding edge 5, and the front surface of the first iron plate 1 is rectangular, stable in structure and convenient to mount.

The working principle of the muffler partition plate with the noise reduction function provided by the utility model is as follows:

install the silencer separation disc in the silencer, again with silencer and car installation, the silencer separation disc is equipped with between first iron plate 1 and second iron plate 7 and inhales sound cotton 6, it has the micropore that countless air is constituteed to inhale sound cotton 6, can cushion and absorb the sound wave that reachs sound cotton 6, make that plane that has sound cotton 6 no longer have the sound wave reflection to go out, play and inhale the effect of making an uproar, the amortization aperture 2 has been seted up simultaneously, the aperture is little, the reflection frequency is high, the output sound is clear, can form the tone quality clear, the high frequency sound field of curve smoothness, effectual reduction sound, galvanized coating 8 is thick, it is even to have the cladding material, adhesive force is strong, advantages such as long service life, electrogalvanizing is with low costs, the surface is not very smooth, the advantage that has very good corrosion resistance and high temperature resistance, the life of silencer separation disc has been prolonged greatly.

present silencer spacer disc does not have the good function of making an uproar of falling, the effect of making an uproar falls in installing the silencer in is poor, can not fall automobile engine and make an uproar effectively, it is big to lead to automobile engine working sound, cause serious noise pollution, this silencer spacer disc is equipped with between first iron plate 1 and second iron plate 7 and inhales sound cotton 6, it has the micropore that the innumerable air is constituteed to inhale sound cotton 6, can cushion and absorb the sound wave that reachs sound cotton 6, it no longer has the sound wave reflection to go out to make that plane that has sound cotton 6 of inhaling, play the effect of inhaling the sound and making an uproar, amortization aperture 2 has been seted up simultaneously, the aperture is little, the reflection frequency is high, the output sound is clear, can form the tone quality clearly, the high frequency sound field of curve smoothness, effectual reduction sound.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A muffler divider with noise reduction, comprising: a first iron plate (1), characterized in that: first iron plate (1) outside one side laminating has inhales sound cotton (6), it has second iron plate (7) to inhale the outside one side laminating of sound cotton (6), first iron plate (1) evenly plates with the outside of second iron plate (7) and is equipped with galvanizing coat (8), first iron plate (1), inhale for the integration structure between sound cotton (6) and second iron plate (7), amortization aperture (2), spacing hole (3) and blast pipe fixed orifices (4) have been seted up to the outside of first iron plate (1), and amortization aperture (2), spacing hole (3) and blast pipe fixed orifices (4) run through in inhaling sound cotton (6) and second iron plate (7).

2. The muffler separation disc with the noise reduction function according to claim 1, wherein the exhaust pipe fixing holes (4) are located below the limiting hole (3), the number of the exhaust pipe fixing holes (4) is two, and the exhaust pipe fixing holes (4) are symmetrically distributed about the central axis of the first iron plate (1).

3. A muffler partition plate with noise reduction function according to claim 1, wherein said small sound-deadening holes (2) are equidistantly distributed outside the first iron plate (1), and the diameter of said small sound-deadening holes (2) is three millimeters.

4. The muffler partition plate with noise reduction function according to claim 1, wherein the sound-absorbing cotton (6) is made of glass fiber.

5. The muffler partition plate with the noise reduction function according to claim 1, wherein the first iron plate (1) is welded at its outer edge with a peripheral edge (5), and the front surface of the first iron plate (1) is rectangular.