CN219303323U

CN219303323U - Dual-silencing exhaust muffler

Info

Publication number: CN219303323U
Application number: CN202223485966.8U
Authority: CN
Inventors: 姚培良; 姚佳程; 张学成
Original assignee: Beichen Huzhou Environmental Technology Co ltd
Current assignee: Beichen Huzhou Environmental Technology Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-07-04
Anticipated expiration: 2032-12-26

Abstract

The utility model provides a double-silencing exhaust muffler, which belongs to the technical field of mufflers and comprises the following components: a muffler body; the muffler comprises a muffler body, a muffler body and a sound absorbing device, wherein the muffler body is provided with an air inlet and an air outlet, an air flow through cavity communicated with the air inlet and the air outlet is formed in the muffler body, and sound absorbing materials are arranged on two sides of the air flow through cavity; the number of the exhaust ports is a plurality of, and the exhaust ports comprise internal thread connectors and pneumatic silencing heads; the internal thread joint penetrates through the muffler main body shell and is communicated with the airflow through cavity; the pneumatic silencing head is fixedly connected to the inner wire connector. The double-silencing exhaust muffler provided by the utility model realizes double silencing by utilizing the sound absorbing material fixed inside and the pneumatic silencing head arranged at the exhaust port, has more beneficial silencing and noise reducing effects compared with the traditional muffler, can greatly reduce the noise of exhaust air flow, and simultaneously avoids the additional noise generated during the exhaust of the traditional muffler.

Description

Dual-silencing exhaust muffler

Technical Field

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

Background

The muffler is mainly used for eliminating noise generated by airflow and is used in various exhaust noise reduction projects. The traditional silencer is mainly made of a shell and sound absorbing materials, the sound absorbing materials are used for absorbing and eliminating gas noise, the structure is simple, the sound absorbing and noise reducing effects are relatively poor, and meanwhile, when the exhaust port of the silencer discharges the air flow with noise reduction completed, noise still can be generated. To this end, the present utility model provides a dual muffling exhaust muffler.

Disclosure of Invention

The utility model aims to provide a double-silencing exhaust muffler.

In order to solve the technical problems, the aim of the utility model is realized as follows:

a dual muffling exhaust muffler comprising: a muffler body;

the muffler comprises a muffler body, a muffler body and a sound absorbing device, wherein the muffler body is provided with an air inlet and an air outlet, an air flow through cavity communicated with the air inlet and the air outlet is formed in the muffler body, and sound absorbing materials are arranged on two sides of the air flow through cavity;

the number of the exhaust ports is a plurality of, and the exhaust ports comprise internal thread connectors and pneumatic silencing heads; the internal thread joint penetrates through the muffler main body shell and is communicated with the airflow through cavity; the pneumatic silencing head is fixedly connected to the inner wire connector.

On the basis of the scheme and as a preferable scheme of the scheme, the internal thread joint is a galvanized white internal thread joint.

On the basis of the scheme and as a preferable scheme of the scheme, the pneumatic silencing head is a pneumatic copper silencer long head.

On the basis of the scheme and as a preferable scheme of the scheme, the airflow through cavity is S-shaped; the air inlet and the air outlet correspond to two ends of the S-shaped airflow through cavity respectively.

On the basis of the above-mentioned scheme and as a preferable scheme of the above-mentioned scheme, the number and the positions of the air inlets correspond to the air outlets.

On the basis of the scheme and as a preferable scheme of the scheme, the air inlet comprises an air inlet internal thread joint, an air inlet pipe and a quick connector; the air inlet internal thread joint penetrates through the muffler main body shell and is communicated with the airflow through cavity; one end of the air inlet pipe is fixedly connected with the air inlet internal thread joint, and the other end of the air inlet pipe is connected with the quick connector.

On the basis of the scheme and as a preferable scheme of the scheme, the silencer main body shell sequentially comprises a porous plate, a sound absorption structure and a galvanized steel plate from inside to outside.

The beneficial effects of the utility model are as follows: the double-silencing exhaust muffler provided by the utility model realizes double silencing by utilizing the sound absorbing material fixed inside and the pneumatic silencing head arranged at the exhaust port, has more beneficial silencing and noise reducing effects compared with the traditional muffler, can greatly reduce the noise of exhaust air flow, and simultaneously avoids the additional noise generated during the exhaust of the traditional muffler.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic diagram of the internal structure of the present utility model.

FIG. 3 is a schematic view of the pneumatic muffler head and internal thread joint structure of the present utility model.

In the figure: 1. a muffler body; 2. an air inlet; 21. an air inlet internal thread joint; 22. an air inlet pipe; 23. a quick connector; 3. an exhaust port; 31. an inner wire joint; 32. a pneumatic muffler head; 4. a gas flow chamber.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 to 3, a double muffling exhaust muffler includes: the muffler body 1. The muffler main body 1 is of a cuboid structure, one side face is provided with an air inlet 2, the other side face is provided with an air outlet 3, an air circulation cavity 4 communicated with the air inlet 2 and the air outlet 3 is formed in the muffler main body, and sound absorbing materials are arranged on two sides of the air circulation cavity 4. The air flow enters the muffler body 1 from the air inlet 2, and through the air flow cavity 4, the air flow noise is absorbed by the sound absorbing material, and finally is discharged from the air outlet 3.

The number of the air inlets 2 is a plurality, and the air inlets are arranged on one side surface of the muffler main body 1 in a row and comprise an air inlet internal thread joint 21, an air inlet pipe 22 and a quick connector 23. The air inlet internal thread joint 21 penetrates through the shell of the muffler main body 1 and is communicated with the air circulation cavity 4, one end of the air inlet pipe 22 is fixedly connected with the air inlet internal thread joint 21 through threads, the other end of the air inlet pipe is connected with the quick connector 23, and the other end of the quick connector 23 is connected with an air source to be noise reduced. The quick connector 23 realizes quick connection, which saves trouble and labor. The air inlet internal thread joint 21 is a galvanized white internal thread joint, and is rust-resistant and corrosion-resistant.

The number of the exhaust ports 3 is a plurality, and the exhaust ports are arranged on one side surface of the muffler main body 1 in a row. The number and the positions of the air inlets 2 are corresponding to those of the air inlets, and the air inlets comprise inner wire connectors 31 and pneumatic muffler heads 32. The internal thread joint 31 penetrates through the shell of the muffler main body 1 and is communicated with the air circulation cavity 4; the pneumatic muffler head 32 is fixedly connected to the inner wire joint 31 through threads. Preferably, the internal thread joint 31 is a galvanized white internal thread joint; the pneumatic muffler head 32 is a pneumatic copper muffler long head. The long head of the pneumatic copper muffler has excellent silencing effect, can further silence airflow, and improves the silencing effect of the muffler.

Preferably, the airflow through cavity 4 is S-shaped, and the air inlet 2 and the air outlet 3 correspond to two ends of the S-shaped airflow through cavity 4 respectively. The S-shaped airflow cavity 4 can increase the contact distance between the airflow and the sound absorbing material, and improve the silencing effect.

Preferably, the muffler body 1 shell comprises a porous plate, a sound absorbing material and a galvanized steel plate from inside to outside. Wherein, the perforated plate is the porous acoustic board of metal, provides support and increases the sound absorption effect.

The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Finally, it is also to be understood that certain technical features of the embodiments may not be necessary to address particular technical problems, such that such technical features may be omitted or omitted without affecting the resolution of the technical problem or the formation of the technical solution; furthermore, the features, elements, and/or functions of one embodiment may be combined, or otherwise matched as appropriate with the features, elements, and/or functions of other one or more embodiments, unless such combination, or match is clearly impractical.

Claims

1. A dual muffler exhaust muffler, comprising: a muffler body (1);

the muffler comprises a muffler body (1), a muffler body and a muffler cover, wherein the muffler body (1) is provided with an air inlet (2) and an air outlet (3), an air flow through cavity (4) communicated with the air inlet (2) and the air outlet (3) is formed in the muffler body, and sound absorption materials are arranged on two sides of the air flow through cavity (4);

the number of the exhaust ports (3) is a plurality, and the exhaust ports comprise internal thread connectors (31) and pneumatic silencing heads (32); the internal thread joint (31) penetrates through the shell of the muffler main body (1) and is communicated with the airflow through cavity (4); the pneumatic silencing head (32) is fixedly connected to the internal thread joint (31).

2. A double sound-deadening exhaust muffler according to claim 1, characterized in that the internal thread joint (31) is a galvanized white internal thread joint.

3. A dual muffler exhaust muffler as defined in claim 1 wherein the pneumatic muffler head (32) is a pneumatic copper muffler long head.

4. A double sound-deadening exhaust muffler according to claim 1, characterized in that the air flow through chamber (4) is S-shaped; the air inlet (2) and the air outlet (3) respectively correspond to two ends of the S-shaped airflow through cavity (4).

5. A double muffling exhaust muffler according to claim 1, characterized in that the number and positions of the air inlets (2) correspond to the air outlets (3).

6. A double sound-deadening exhaust muffler according to claim 5, characterized in that the air inlet (2) comprises an air intake inner wire joint (21), an air intake pipe (22), a quick connector (23); the air inlet internal thread joint (21) penetrates through the shell of the muffler main body (1) and is communicated with the airflow through cavity (4); one end of the air inlet pipe (22) is fixedly connected with the air inlet internal thread joint (21), and the other end of the air inlet pipe is connected with the quick connector (23).

7. The double sound-deadening exhaust muffler according to claim 1, wherein the muffler body (1) housing comprises a porous plate, a sound absorbing material, a galvanized steel sheet in this order from inside to outside.