CN219045481U

CN219045481U - Silencer convenient to clearance

Info

Publication number: CN219045481U
Application number: CN202223037747.3U
Authority: CN
Inventors: 陈春灵; 李广金
Original assignee: Shanghai Zherui Environmental Protection Technology Co ltd
Current assignee: Shanghai Zherui Environmental Protection Technology Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-05-19
Anticipated expiration: 2032-11-15

Abstract

The utility model discloses a muffler convenient to clean, which comprises a muffler shell, wherein a first opening is formed in the outer wall, close to an air inlet end, of the muffler shell in a penetrating manner, a first cover plate is fixedly connected to the corresponding position of the outer wall of the muffler shell and the first opening through bolts, a rectangular air filter is fixedly arranged on the outer wall of the first cover plate, penetrates into the muffler shell from the first opening, a second opening is formed in the front wall of the muffler shell in a penetrating manner, and a second cover plate is fixedly arranged at the corresponding position of the front wall of the muffler shell and the second opening through bolts; in the utility model, the air entering the muffler shell from the air inlet passes through the rectangular air filter before contacting with the muffler element, so that dust impurities and the like in the air are filtered, and the dust impurities contacting with the muffler element are reduced, thereby prolonging the maintenance period of the muffler element and prolonging the service life of the muffler element.

Description

Silencer convenient to clearance

Technical Field

The utility model relates to a muffler, in particular to a muffler convenient to clean.

Background

The muffler is one of the environmental protection devices commonly used in industry, and is mainly used for reducing noise at an air outlet of a fan, so that noise pollution caused by industrial production is reduced, the muffler mainly absorbs kinetic energy of sound waves through a porous noise elimination element in the muffler and converts the kinetic energy into internal energy to realize noise elimination and noise reduction, however, in many industrial production processes, a great amount of dust and various impurities are doped in air discharged by the fan, and the dust and impurities are easy to adhere to the noise elimination element and block micropores on the noise elimination element, so that the noise reduction effect of the muffler is affected. .

Through searching, the utility model patent with the publication number of CN217233924U discloses a matrix detachable exhaust muffler, and by arranging a detachable silencing element, the corresponding silencing element can be taken down for cleaning or replacement when the silencing element is blocked, the muffler does not need to be replaced integrally, and the manual workload and the production cost are greatly reduced.

The scheme is convenient for clear up or change the original sound damping, but does not filter the air that gets into the silencer, can't reduce the dust impurity that gets into in the silencer, leads to the maintenance cycle of original sound damping short, remains to improve.

Disclosure of Invention

The utility model aims to provide a muffler convenient to clean, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a silencer convenient to clearance, includes the silencer casing, the outer wall that the silencer casing is close to the air intake end runs through and is provided with first opening, the outer wall of silencer casing and the corresponding department of first open-ended are through the first apron of bolt fixedly connected with, the outer wall fixed mounting of first apron has rectangular air filter, rectangular air filter penetrates in the silencer casing by first opening, the front wall of silencer casing runs through and is provided with the second opening, and the front wall of silencer casing and the corresponding department of second opening have the second apron through bolt fixed mounting, the inner wall of silencer casing and the corresponding department of second opening from top to bottom evenly are provided with a plurality of sound damping elements, sound damping element and silencer casing can dismantle to be connected.

As a further scheme of the utility model: the U-shaped frame is fixedly arranged at the corresponding position of the inner wall of the silencer shell and the rectangular air filter, and three adjacent edges of the rectangular air filter are all positioned at the inner side of the U-shaped frame.

As a further scheme of the utility model: the muffler comprises a muffler shell, a plurality of threaded pipes are fixedly connected to the corresponding positions of the inner wall of the muffler shell and each muffler element, blind holes are formed in the corresponding positions of the outer wall of each muffler element and each threaded pipe, the threaded pipes are located in the corresponding blind holes, through holes communicated with the blind holes are formed in the outer wall of each muffler element in a penetrating mode, long rod bolts penetrate through the through holes, and the long rod bolts are connected with the corresponding threaded pipes in a matched mode.

As a further scheme of the utility model: the inner side of the muffler shell is provided with a first guide groove and a second guide groove at two sides of each muffler element, and two ends of each muffler element are positioned in the corresponding first guide groove and second guide groove.

As still further aspects of the utility model: the second cover plate is fixedly arranged towards the outer wall of the muffler shell and is provided with sound-absorbing cotton, the sound-absorbing cotton is positioned in the second opening, and the outer wall of one side of the muffler element is tightly attached to the sound-absorbing cotton.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the utility model, the air entering the muffler shell from the air inlet passes through the rectangular air filter before contacting with the muffler element, so that dust impurities and the like in the air are filtered, and the dust impurities contacting with the muffler element are reduced, thereby prolonging the maintenance period of the muffler element and prolonging the service life of the muffler element.

2. In the utility model, the held air filter can be pulled out of the silencer shell through the handle only by unscrewing the bolt for connecting the first cover plate and the silencer shell, the operation is simple and convenient, when the silencing element needs to be cleaned, the silencing element can be pulled out through the second opening on the silencer shell only by disassembling the second cover plate and unscrewing the corresponding inserted rod bolt, and the silencing element is convenient to clean or replace.

Drawings

Fig. 1 is a schematic structural view of a muffler for easy cleaning.

Fig. 2 is a schematic front view of a muffler for easy cleaning.

Fig. 3 is a schematic view of a structure of a muffler where a rectangular air filter is disposed for easy cleaning.

Fig. 4 is a schematic structural view of sound absorbing cotton in a muffler for easy cleaning.

Fig. 5 is an enlarged view at a in fig. 4.

The muffler comprises a muffler shell 1, a first cover plate 2, a handle 3, a rectangular air filter 4, a U-shaped frame 5, a second cover plate 6, sound absorbing cotton 7, a muffler element 8, a first guide groove 9, a second guide groove 10, a blind hole 11, a threaded pipe 12, a perforation 13, a long rod bolt 14 and a second opening 15.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, in an embodiment of the utility model, a muffler convenient to clean includes a muffler shell 1, a first opening is penetrated and arranged on an outer wall of the muffler shell 1 near an air inlet end, a first cover plate 2 is fixedly connected to a corresponding position of the outer wall of the muffler shell 1 and the first opening through bolts, a rectangular air filter 4 is fixedly arranged on an outer wall of the first cover plate 2, the rectangular air filter 4 penetrates into the muffler shell 1 from the first opening, a second opening 15 is penetrated and arranged on a front wall of the muffler shell 1, a second cover plate 6 is fixedly arranged on a corresponding position of the front wall of the muffler shell 1 and the second opening 15 through bolts, a plurality of muffler elements 8 are uniformly arranged on a corresponding position of the inner wall of the muffler shell 1 and the second opening 15 from top to bottom, the muffler elements 8 are detachably connected with the muffler shell 1, and handles 3 are fixedly arranged on outer walls of the first cover plate 2 and the second cover plate 6.

The inner wall of silencer casing 1 and the department fixed mounting that corresponds of rectangle air cleaner 4 have U shaped frame 5, the three adjacent limit of rectangle air cleaner 4 all is located the inboard of U shaped frame 5, through the setting of U shaped frame 5, can play good positioning action to rectangle air cleaner 4 in silencer casing 1 to improve silencer during operation, rectangle air cleaner 4 comprises rectangular frame and the wave filter core that is located rectangular frame inboard, rectangular frame passes through bolt and first apron 2 fixed connection, thereby the convenience is dismantled and assembled rectangle air cleaner 4 on first apron 2.

The muffler comprises a muffler shell 1, a plurality of threaded pipes 12 are fixedly connected to corresponding positions of the inner wall of the muffler shell 1 and each of the muffler elements 8, blind holes 11 are formed in corresponding positions of the outer walls of the muffler elements 8 and the threaded pipes 12, the threaded pipes 12 are located in the corresponding blind holes 11, through holes 13 communicated with the blind holes 11 are formed in the outer walls of the muffler elements 8 in a penetrating mode, long rod bolts 14 penetrate through the through holes 13, and the long rod bolts 14 are connected with the corresponding threaded pipes 12 in a matched mode.

The long-rod bolt 14 is matched with the threaded pipe 12, so that the sound eliminating element 8 in the muffler shell 1 can be conveniently disassembled and assembled, and the operation is simple and quick.

The inside of silencer casing 1 is located the both sides of every silencing element 8 and all is provided with first guide slot 9 and second guide slot 10, silencing element 8's both ends are located corresponding first guide slot 9 and second guide slot 10, and first guide slot 9 and second guide slot 10 not only can play good guiding action to silencing element 8 in the in-process of installing silencing element 8, make screwed pipe 12 can be accurate align silencing element 8 on blind hole 11, and can improve silencing element 8 and silencer casing 1 between joint strength to ensure the stability of each silencing element 8 of silencer during operation.

The second cover plate 6 is fixedly arranged towards the outer wall of the muffler shell 1 and is provided with sound-absorbing cotton 7, the sound-absorbing cotton 7 is positioned in the second opening 15, and the outer wall of one side of the muffler element 8 is tightly attached to the sound-absorbing cotton 7.

The working principle of the utility model is as follows:

in the utility model, the air entering the muffler shell 1 from the air inlet passes through the rectangular air filter 4 before contacting with the muffler element 8, so as to filter dust impurities and the like in the air, reduce the dust impurities contacting with the muffler element 8, prolong the maintenance period of the muffler element 8 and prolong the service life of the muffler element 8.

In the utility model, the air filter 4 can be pulled out of the muffler shell 1 through the handle 3 by only unscrewing the bolts for connecting the first cover plate 2 and the muffler shell 1, the operation is simple and convenient, and when the muffler element 8 needs to be cleaned, the muffler element 8 can be pulled out through the second opening 15 on the muffler shell 1 by only disassembling the second cover plate 6 and unscrewing the corresponding inserted rod bolts 14, thereby facilitating the cleaning or replacement of the muffler element 8.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Silencer convenient to clearance, its characterized in that: including silencer casing (1), silencer casing (1) is close to the outer wall of air intake end and runs through and be provided with first opening, the outer wall of silencer casing (1) is through bolt fixedly connected with first apron (2) with first open-ended correspondence, the outer wall fixed mounting of first apron (2) has rectangle air cleaner (4), rectangle air cleaner (4) penetrate silencer casing (1) by first opening in, the front wall of silencer casing (1) runs through and is provided with second opening (15), and the front wall of silencer casing (1) is through bolt fixedly mounted with second apron (6) with the correspondence of second opening (15), the inner wall of silencer casing (1) is evenly provided with a plurality of sound damping elements (8) from top to bottom with the correspondence of second opening (15), sound damping element (8) can dismantle with silencer casing (1).

2. A muffler for facilitating cleaning as defined in claim 1, wherein: the silencer is characterized in that a U-shaped frame (5) is fixedly arranged at the corresponding position of the inner wall of the silencer shell (1) and the rectangular air filter (4), and three adjacent sides of the rectangular air filter (4) are located at the inner side of the U-shaped frame (5).

3. A muffler for facilitating cleaning as defined in claim 1, wherein: the muffler is characterized in that a plurality of threaded pipes (12) are fixedly connected to the corresponding positions of the inner wall of the muffler shell (1) and each muffler element (8), blind holes (11) are formed in the corresponding positions of the outer walls of the muffler elements (8) and the threaded pipes (12), the threaded pipes (12) are located in the corresponding blind holes (11), through holes (13) communicated with the blind holes (11) are formed in the outer walls of the muffler elements (8) in a penetrating mode, long rod bolts (14) penetrate through the through holes (13), and the long rod bolts (14) are connected with the corresponding threaded pipes (12) in a matched mode.

4. A muffler for facilitating cleaning as defined in claim 3, wherein: the inner side of the muffler shell (1) is provided with a first guide groove (9) and a second guide groove (10) at two sides of each muffler element (8), and two ends of each muffler element (8) are positioned in the corresponding first guide groove (9) and second guide groove (10).

5. A muffler for facilitating cleaning as defined in claim 1, wherein: the second cover plate (6) is fixedly arranged towards the outer wall of the silencer shell (1) and is provided with sound absorbing cotton (7), the sound absorbing cotton (7) is positioned in the second opening (15), and the outer wall of one side of the silencing element (8) is tightly attached to the sound absorbing cotton (7).