CN216623748U

CN216623748U - Liner structure for filtering and vibrating inside silencer

Info

Publication number: CN216623748U
Application number: CN202220001890.8U
Authority: CN
Inventors: 李志芳; 赵梓庭
Original assignee: Anshan Qibaier Metal Manufacturing Co ltd
Current assignee: Anshan Qibaier Metal Manufacturing Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-05-27
Anticipated expiration: 2032-01-04

Abstract

The utility model relates to the technical field of silencers, in particular to a liner structure for filtering and shocking in a silencer, which comprises an installation sleeve fixedly arranged in a silencer shell, wherein the installation sleeve is of a cylindrical structure, movable plates are uniformly arranged on the inner side wall of the installation sleeve along the circumferential direction of the installation sleeve, the movable plates are of an arc-shaped sheet structure and are connected with the installation sleeve through elastic pieces, a liner body is movably arranged in a cavity defined by a plurality of the movable plates, the liner body is cylindrical, and a silencing mechanism is arranged in the liner body. According to the utility model, the liner structure consisting of the mounting sleeve, the movable plate and the liner body is arranged in the silencer shell, and when the silencing mechanism is impacted by sound waves to generate vibration, the liner structure can play a role in buffering, so that the vibration of the silencer shell is inhibited.

Description

Liner structure for filtering and vibrating inside silencer

Technical Field

The utility model relates to the technical field of silencers, in particular to a liner structure for filtering vibration in a silencer.

Background

The silencer is a noise reduction device for silencing a noise-propagating airflow pipeline, cannot completely eliminate noise emitted by the pipeline, and only inhibits the propagation of the noise to a certain extent.

At present, current muffler usually includes muffler shell and inside amortization structure two parts constitution, the utility model as publication number CN211203279U provides a high-efficient muffler, and this muffler includes the muffler body and is located multiple amortization structures such as the inside amortization baffle of muffler body, amortization bowl, amortization cover. In the specific use process, sound waves enter from one end of the silencer body and penetrate out from the other end, and the silencing structure located inside the silencer body has the effect of absorbing the sound waves, so that the transmission of noise is restrained.

The research shows that the technical scheme still has some defects: when sound wave and amortization hinder the board, amortization structures such as amortization bowl and sound blocking cover contact the back, these structures can suppress the noise propagation, but because the impact of sound wave, also can make these amortization structures itself have the vibration of certain frequency, and because fixed connection between these amortization structures and the muffler body, consequently, also can make the muffler body produce the vibration, thereby produce new noise, be unfavorable for improving the noise reduction of muffler effect, for this, we have provided a liner structure with good solution above-mentioned drawback that is used for the inside vibrations usefulness of straining of muffler.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a liner structure for filtering vibration inside a muffler, which solves the above problems.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a liner structure for inside vibrations usefulness of straining of muffler, is including fixed the installation cover that sets up in muffler casing inside, the installation cover is cylindric structure, evenly is provided with the fly leaf along the circumference of installation cover on its inside wall, the fly leaf is arc sheet structure, and the fly leaf passes through the elastic component and is connected with the installation cover, a plurality of the cavity internalization that the fly leaf encloses is provided with the liner body, the liner body is the cylinder, and its inside noise cancelling mechanism that is equipped with.

Preferably, the movable plate is provided with an elastic shock pad in a manner of being attached to one surface of the liner body, and the shock pad is closely attached to the liner body.

Preferably, the mounting sleeve comprises a first assembly body and a second assembly body, the first assembly body and the second assembly body are of two semicircular sheet structures which are symmetrically distributed, and threaded holes which are used for being matched with the shell of the silencer are uniformly formed in the top surface and the bottom surface of the first assembly body and the bottom surface of the second assembly body in a penetrating mode.

Preferably, the top two sides and the bottom two sides of the first assembly body are both provided with insertion ports, and the top surface two sides and the bottom two sides of the second assembly body are both protrudingly formed with insertion blocks matched with the insertion ports.

Preferably, the even cover in the axis direction of the outside along the installation cover of installation cover is equipped with a plurality of elastic damping rings, the outer lane of damping ring is fixed with the inner wall of muffler casing cementing.

Preferably, the elastic part adopts spring or elastic rubber, and the both ends of elastic part are connected with the inside wall and the fly leaf of installation cover respectively.

Compared with the prior art, the utility model provides an inner container structure for filtering and shocking in a silencer, which has the following beneficial effects: the inner container structure formed by the mounting sleeve, the movable plate and the inner container body is arranged in the silencer shell, and when the silencing mechanism is impacted by sound waves to generate vibration, the inner container structure can play a role in buffering, so that the vibration of the silencer shell is inhibited.

Drawings

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

FIG. 2 is a schematic view of the structure of the mounting sleeve of the present invention;

fig. 3 is an enlarged view corresponding to a in fig. 2.

In the figure: 1. a muffler housing; 2. installing a sleeve; 201. a first assembly body; 202. a second assembly; 203. a threaded hole; 204. an interface; 205. an insertion block; 3. a movable plate; 4. an elastic member; 5. a liner body; 6. a silencing mechanism; 7. a shock pad; 8. a damping ring.

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.

Example (b): referring to fig. 1-3, a liner structure for filtering vibration in a muffler includes a mounting sleeve 2 fixedly disposed in a muffler housing 1, the mounting sleeve 2 is cylindrical, the mounting sleeve 2 includes a first assembly 201 and a second assembly 202, the first assembly 201 and the second assembly 202 are two symmetrically distributed semicircular sheet structures, the top surface and the bottom surface of the first assembly 201 and the second assembly 202 are uniformly penetrated with a threaded hole 203 for matching with the muffler housing 1, namely, the screw holes 203 can be inserted with screws and connected with the silencer casing 1, the two sides of the top and the two sides of the bottom of the first assembly 201 are both provided with insertion ports 204, the two sides of the top and the two sides of the bottom of the second assembly 202 are both protrudingly formed with insertion blocks 205 matched with the insertion ports 204, when the plug block 205 is inserted into the socket 204, the first assembly 201 and the second assembly 202 can form a complete cylindrical shape.

Evenly be provided with fly leaf 3 along the circumference of installing cover 2 on the inside wall of installing cover 2, fly leaf 3 is arc sheet structure, and fly leaf 3 is connected with installing cover 2 through elastic component 4, elastic component 4 adopts spring or elastic rubber, the both ends of elastic component 4 splice fixedly with the inside wall of installing cover 2 and fly leaf 3 respectively, the cavity internalization that a plurality of fly leaves 3 enclose is provided with inner bag body 5, inner bag body 5 is the cylinder, its inside noise cancelling mechanism 6 that is equipped with.

An elastic shock pad 7 is attached to one surface, facing the liner body 5, of the movable plate 3, and the shock pad 7 is closely attached to the liner body 5 to prevent the shock pad 7 from rigidly colliding with the liner body 5; the outside of installing sleeve 2 is evenly overlapped along the axis direction of installing sleeve 2 and is equipped with a plurality of elastic damping rings 8 that have, and the outer lane of damping rings 8 is spliced fixedly with the inner wall of muffler casing 1, and damping rings 8 adopt the silica gel material, have further restrained muffler casing 1's vibration.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 appended claims and their equivalents.

Claims

1. The utility model provides a liner structure that is used for inside filtration of muffler to shake usefulness, is including fixed installation cover (2) that set up in muffler casing (1) inside, its characterized in that: the mounting sleeve (2) is of a cylindrical structure, the movable plate (3) is evenly arranged on the inner side wall of the mounting sleeve along the circumferential direction of the mounting sleeve (2), the movable plate (3) is of an arc-shaped sheet structure, the movable plate (3) is connected with the mounting sleeve (2) through the elastic piece (4), and a plurality of inner container bodies (5) are movably arranged in a cavity enclosed by the movable plate (3), the inner container bodies (5) are cylindrical and are internally provided with the silencing mechanism (6).

2. The liner structure for internal filtering of a muffler as set forth in claim 1, wherein: the movable plate (3) is provided with an elastic shock pad (7) in a fit manner towards one side of the inner container body (5), and the shock pad (7) is tightly fitted with the inner container body (5).

3. The liner structure for internal filtering of a muffler as set forth in claim 1, wherein: the mounting sleeve (2) comprises a first assembly body (201) and a second assembly body (202), the first assembly body (201) and the second assembly body (202) are of two symmetrically distributed semicircular sheet structures, and threaded holes (203) used for being matched with the silencer shell (1) are uniformly formed in the top surfaces and the bottom surfaces of the first assembly body (201) and the second assembly body (202) in a penetrating mode.

4. The liner structure for internal filtering of a muffler as set forth in claim 3, wherein: the plug-in connectors (204) are arranged on two sides of the top and two sides of the bottom of the first assembly body (201), and plug-in blocks (205) matched with the plug-in connectors (204) are formed on two sides of the top surface and two sides of the bottom of the second assembly body (202) in a protruding mode.

5. The liner structure for internal filtering of a muffler as set forth in claim 1, wherein: the axis direction of the outside of installation cover (2) along installation cover (2) evenly overlaps and is equipped with a plurality of elastic damping rings (8), the outer lane of damping ring (8) is fixed with the inner wall of muffler casing (1) splice.

6. The liner structure for internal filtering of a muffler as set forth in claim 1, wherein: the elastic piece (4) is made of a spring or elastic rubber, and two ends of the elastic piece (4) are connected with the inner side wall of the mounting sleeve (2) and the movable plate (3) respectively.