CN217002021U - Split type muffler - Google Patents

Abstract

The utility model discloses a split muffler, which comprises a main body module, a silencing module and a support module, wherein the main body module comprises a muffler shell, an air inlet pipe and an exhaust pipe which are connected with the muffler shell, the silencing module comprises a sound absorbing piece arranged on the inner wall of the muffler shell and a silencing piece arranged on the inner wall of the muffler shell and positioned on one side of the sound absorbing piece, through the arrangement of the sound absorbing piece, noise in waste gas entering the inner cavity of the muffler shell through the air inlet pipe can be absorbed, so that the noise can be rubbed with the sound absorbing piece, energy in the noise can be consumed, through the arrangement of the sound absorbing piece, the noise subjected to sound absorbing treatment can be reflected, collided, expanded and cooled for many times, so that vibration and energy in the noise can be reduced, and finally, the waste gas subjected to sound absorbing treatment can be discharged through the exhaust pipe, so that the noise can be treated efficiently, thereby improving the practicability of the silencer.

Description

Split type muffler

Technical Field

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

Background

The silencer is a noise reduction device for an airflow pipeline with noise transmission, such as a pipeline with a sound absorption lining, an elbow or a pipeline with suddenly changed sectional area and other discontinuous acoustic impedances, and can attenuate or reflect noise in the pipeline, wherein the former is called a resistive silencer, the latter is called a reactive silencer, the silencer can reduce exhaust noise of an engine and can safely and effectively discharge high-temperature waste gas, and the silencer is mainly used for loaders or forklifts.

The existing split type silencer only uses a silencing structure to carry out silencing, so that the silencing effect is not ideal, the practicability of the silencer is influenced, and therefore the split type silencer is provided.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving one of the technical problems of the prior art or the related art.

Therefore, the technical scheme adopted by the utility model is as follows:

the utility model provides a split type muffler, includes main part module, amortization module and support module, the main part module includes the muffler casing and all connects intake pipe and the blast pipe on the muffler casing, the amortization module is including setting up at the sound piece of inhaling of muffler shells inner wall and setting up at muffler shells inner wall and be located the amortization piece of inhaling sound piece one side, the support module sets up the surface at the muffler casing.

Preferably, the sound absorbing member includes a first ring connected to an inner wall of the muffler case and a porous sound absorbing sponge provided inside the first ring.

Preferably, inhale the sound piece still including connect at muffler shells inner wall and be located the second ring of first ring one side and set up the inboard glass fiber of second ring.

Preferably, the silencing part comprises a disc connected to the inner wall of the silencer shell and located on one side of the second ring, a plurality of reflecting pipes connected to one side of the disc, and a plurality of reflecting holes formed in the plurality of reflecting pipes in an annular equidistant mode.

Preferably, the upper part of the exhaust pipe is provided with a plurality of sound absorbing holes in an annular shape at equal intervals.

Preferably, the support module comprises a connecting sheet arranged on the surface of the silencer shell and a support frame arranged on the surface of the connecting sheet.

By adopting the technical scheme, the utility model has the beneficial effects that:

1. in the utility model, when waste gas carrying noise enters the silencer shell through the air inlet pipe, the porous sound absorption sponge and the glass fiber can respectively absorb the noise, so that the noise can rub on the porous sound absorption sponge and the glass fiber, thereby consuming the energy in the noise, then the noise can enter the interiors of the plurality of reflecting pipes through the disc, the noise can be reflected, collided, expanded and cooled for a plurality of times in the plurality of reflecting pipes, thereby reducing the vibration and the energy in the noise, then the noise can enter the exhaust pipe, the sound absorption hole on the exhaust pipe can carry out the last sound absorption on the noise and discharge the waste gas after the sound absorption treatment, because the silencer uses two sound absorption structures, namely the sound absorption structure and the reflection sound absorption structure, the noise can be efficiently treated, thereby avoiding the noise pollution to the surrounding environment, thereby the noise cancelling effect of this muffler has been improved, and then the practicality of this muffler has been improved.

2. According to the silencer, the plurality of sound absorption holes are arranged, so that the processed waste gas carrying noise can be subjected to sound absorption treatment again, the processed waste gas can be discharged, a worker can install the silencer through the support frame, the silencer can be supported after installation, and the stability of the silencer is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a schematic diagram of an explosive structure of a silencing module according to the utility model.

Reference numerals:

100. a body module; 110. a muffler housing; 120. an air inlet pipe; 130. an exhaust pipe; 131. a sound absorption hole;

200. a silencing module; 210. a sound absorbing member; 211. a first circular ring; 212. porous sound-absorbing sponge; 213. a second circular ring; 214. glass fibers; 220. a noise reducing member; 221. a disc; 222. a reflection tube; 223. a reflective aperture;

300. a support module; 310. connecting sheets; 320. and (7) supporting the frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the accompanying drawings in combination with the embodiments. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

It is to be understood that this description is made only by way of example and not as a limitation on the scope of the utility model.

The following describes a split muffler provided by some embodiments of the present invention with reference to the drawings.

The first embodiment is as follows:

referring to fig. 1 to 3, the present invention provides a split muffler, which includes a main module 100, a silencing module 200, and a supporting module 300, wherein the main module 100 includes a silencer casing 110, and an air inlet pipe 120 and an air outlet pipe 130 both connected to the silencer casing 110, the silencing module 200 includes a sound absorbing member 210 disposed on an inner wall of the silencer casing 110, and a silencing member 220 disposed on an inner wall of the silencer casing 110 and located on one side of the sound absorbing member 210, and the supporting module 300 is disposed on a surface of the silencer casing 110.

Through the setting of inhaling sound piece 210, can adsorb the noise in the waste gas that gets into the inner chamber of muffler casing 110 through intake pipe 120, make the noise can take place the friction with inhaling sound piece 210, thereby can consume the energy in the noise, can carry out a lot of reflections, the collision, inflation and cooling to the noise through inhaling sound processing through the setting of amortization piece 220, thereby vibration and energy in the noise can be reduced, the waste gas through the last amortization processing can be discharged through blast pipe 130, thereby can handle the noise by the efficient, and then the practicality of this muffler has been improved.

Example two:

with reference to fig. 2-3, on the basis of the first embodiment, the sound absorbing member 210 includes a first ring 211 connected to the inner wall of the muffler shell 110 and a porous sound absorbing sponge 212 disposed inside the first ring 211, the sound absorbing member 210 further includes a second ring 213 connected to the inner wall of the muffler shell 110 and located on one side of the first ring 211 and a glass fiber 214 disposed inside the second ring 213, the sound absorbing member 220 includes a disc 221 connected to the inner wall of the muffler shell 110 and located on one side of the second ring 213, a plurality of reflecting tubes 222 connected to one side of the disc 221, and a plurality of reflecting holes 223 disposed on the plurality of reflecting tubes 222 in an annular shape at equal intervals.

When the exhaust gas carrying noise enters the silencer housing 110 through the inlet pipe 120, the porous sound-absorbing sponge 212 and the glass fiber 214 respectively absorb the noise, so that the noise can be rubbed on the porous sound-absorbing sponge 212 and the glass fiber 214, thereby consuming the energy in the noise, then the noise can enter the plurality of reflection pipes 222 through the disc 221, the noise can be reflected, collided, expanded and cooled in the plurality of reflection pipes 222 for a plurality of times, thereby reducing the vibration and energy in the noise, then the noise can enter the exhaust pipe 130, the sound-absorbing hole 131 in the exhaust pipe 130 can absorb the noise for the last time and exhaust the exhaust gas after sound-absorbing treatment, because the silencer uses two sound-absorbing structures, namely the sound-absorbing structure and the reflection sound-absorbing structure, thereby efficiently treating the noise and preventing the noise pollution to the surrounding environment, thereby the noise cancelling effect of this muffler has been improved, and then the practicality of this muffler has been improved.

Example three:

as shown in fig. 1-2, in the above embodiment, the exhaust pipe 130 has a plurality of sound absorption holes 131 formed in an annular shape at equal intervals, and the support module 300 includes a connecting sheet 310 disposed on the surface of the muffler shell 110 and a support frame 320 disposed on the surface of the connecting sheet 310.

Can carry out the waste gas that carries the noise through the processing again through a plurality of settings of inhaling sound hole 131 and inhale the sound processing to can discharge the waste gas through the processing, let the staff can install this muffler through the setting of carriage 320, and can support this muffler after the installation, improved the stability of this muffler.

The working principle and the using process of the utility model are as follows: when the silencer needs to work, the waste gas carrying noise enters the inner cavity of the silencer casing 110 through the air inlet pipe 120, then the porous sound absorbing sponge 212 absorbs the noise, the noise is rubbed on the porous sound absorbing sponge 212, so that the energy in the noise can be reduced, then the noise can be secondarily absorbed through the glass fiber 214, so that the energy in the noise can be reduced again, then the noise can enter the inside of the reflecting pipes 222, the noise can be reflected, collided, expanded and cooled for multiple times inside the reflecting pipes 222, so that the pressure in the noise can be reduced, the vibration and the energy in the noise can be reduced, then the noise can be subjected to the last sound absorbing and silencing treatment through the exhaust pipe 130 and the sound absorbing hole 131, and finally the waste gas subjected to the silencing treatment can be discharged, so that the silencing effect of the silencer is improved, and the practicability of the silencer is further improved, can install this muffler through the setting of carriage 320 to can be stable support this muffler, thereby improved the stability of this muffler.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "connected" may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents.

Claims (6)

1. A split muffler includes a main body module (100), a muffler module (200), and a support module (300), characterized in that: the main part module (100) includes muffler casing (110) and all connects intake pipe (120) and blast pipe (130) on muffler casing (110), amortization module (200) is including setting up sound absorbing member (210) and setting up at muffler casing (110) inner wall and being located sound absorbing member (210) one side amortization member (220) of sound absorbing member (210) inner wall at muffler casing (110), support module (300) sets up the surface at muffler casing (110).

2. The split silencer of claim 1, wherein the sound absorbing member (210) includes a first ring (211) attached to an inner wall of the silencer housing (110) and a porous sound absorbing sponge (212) disposed inside the first ring (211).

3. The split silencer according to claim 1, wherein the sound absorbing member (210) further comprises a second ring (213) connected to an inner wall of the silencer housing (110) and located at one side of the first ring (211), and glass fibers (214) disposed inside the second ring (213).

4. The split muffler as claimed in claim 1, wherein the muffler member (220) comprises a disc (221) connected to an inner wall of the muffler housing (110) and located at one side of the second ring (213), a plurality of reflection pipes (222) each connected to one side of the disc (221), and a plurality of reflection holes (223) respectively formed in the plurality of reflection pipes (222) in a ring shape at equal intervals.

5. The split muffler as claimed in claim 1, wherein the exhaust pipe (130) has a plurality of sound absorbing holes (131) formed in an upper portion thereof in a ring shape at equal intervals.

6. The split muffler according to claim 1, wherein the support module (300) comprises a connection piece (310) provided on a surface of the muffler case (110) and a support frame (320) provided on a surface of the connection piece (310).

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