CN219035943U

CN219035943U - Hole type muffler

Info

Publication number: CN219035943U
Application number: CN202223064609.4U
Authority: CN
Inventors: 陈根华; 陈宏达; 赵雪如; 陈宏清; 乔健; 乔双双; 陈晓娇
Original assignee: Lianyungang Bond Mechanical Equipment Co ltd
Current assignee: Lianyungang Bond Mechanical Equipment Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-05-16
Anticipated expiration: 2032-11-18

Abstract

The utility model relates to a small hole type muffler, which comprises a silencing barrel, wherein an air inlet pipe is fixedly connected to the top of the silencing barrel, a silencing hole is formed in the air inlet pipe, a fixing frame is fixedly connected to the inner wall of the silencing barrel, a refraction baffle is fixedly connected to the inner side wall of the fixing frame, silencing foam is fixedly connected to the inner side wall of the silencing barrel, wavy sound absorbing cotton is fixedly connected to one end, far away from the silencing barrel, of the silencing foam, a partition plate is fixedly connected to the inner wall of the silencing barrel, a porous expanded perlite layer is fixedly connected to the inner side wall of the silencing barrel, and a porous asbestos cement plate layer is fixedly connected to the inner side wall of the silencing barrel. The small hole type muffler absorbs and dampens through the cooperation of the silencing holes, the refraction baffle plate, the silencing foam and the waveform sound absorbing cotton, and further absorbs and dampens through the cooperation of the separation plate, the baffle plate, the porous expanded perlite layer and the porous asbestos cement plate layer.

Description

Hole type muffler

Technical Field

The utility model relates to the technical field of silencing equipment, in particular to a small hole type silencer.

Background

The muffler means that for the air flow pipeline with noise transmission, the pipeline noise can be attenuated or reflected back by using noise reduction devices such as pipelines with sound absorption lining and elbows or pipelines with abrupt change of interface agent and discontinuous acoustic impedance.

And prior art publication No. CN 217081861U's patent discloses a micropore type silencer, belong to noise abatement equipment technical field, a serial communication port, be equipped with micropore board and clamping ring in the casing, be equipped with amortization hole I on the micropore board, the amortization cavity is constituteed with the clamping ring cooperation to the micropore board, the casing both sides are equipped with connecting piece I and connecting piece II respectively, the casing right side is equipped with head I, be equipped with connecting piece III on the head I, be equipped with a set of screw hole II on the connecting piece III, the upper and lower both sides of screw hole II are equipped with recess III and recess IV respectively, pass through bolted connection between screw hole I and the screw hole II, be equipped with sealing washer I between recess I and the recess III, be equipped with sealing washer II between recess II and the recess IV, the casing left side is equipped with head II, head II left side is equipped with the short circuit export, head I right side is equipped with the short circuit import, still be equipped with the amortization pipe open end and short circuit access connection. The technical problems of inconvenient installation and poor noise treatment effect of the microporous muffler are solved, and the microporous muffler is mainly used for the muffler.

However, the pipe is subjected to primary silencing treatment, the treatment effect is poor, the treated noise often cannot reach the noise reduction standard, and the noise reduction effect is poor, so that the small hole type silencer is provided for solving the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a small hole type muffler which has the advantages of good noise reduction effect and the like, and solves the problems that the prior art only carries out primary noise reduction treatment, the treatment effect is poor, the treated noise often cannot reach the noise reduction standard, and the noise reduction effect is poor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hole type silencer, includes the amortization section of thick bamboo, the top fixedly connected with intake pipe of amortization section of thick bamboo, the amortization hole has been seted up to the inside of intake pipe, fixedly connected with mount on the inner wall of amortization section of thick bamboo, fixedly connected with refracting baffle on the inside wall of mount, fixedly connected with amortization foam on the inside wall of amortization section of thick bamboo, the one end fixedly connected with waveform of amortization section of thick bamboo is inhaled the sound cotton to amortization foam, fixedly connected with division board on the inner wall of amortization section of thick bamboo, fixedly connected with porous expanded perlite layer on the inside wall of amortization section of thick bamboo, fixedly connected with porous asbestos cement sheet layer on the inside wall of amortization section of thick bamboo.

Further, fixedly connected with baffle on the inside wall of amortization section of thick bamboo, the one end fixedly connected with first flange of amortization section of thick bamboo is kept away from to the intake pipe.

Further, the one end fixedly connected with outlet duct of intake pipe is kept away from to the amortization section of thick bamboo, the one end fixedly connected with second flange of amortization section of thick bamboo is kept away from to the outlet duct.

Further, a movable groove is formed in the silencing barrel, and a supporting spring is fixedly connected to the inner portion of the movable groove.

Further, the outside fixedly connected with bracing piece of supporting spring, the one end fixedly connected with sealing ring that supporting spring was kept away from to the bracing piece.

Further, the sealing ring is adapted to the first connecting flange.

Further, the number of the refraction baffles is nine, and the nine refraction baffles are distributed in a staggered mode.

Further, the number of the silencing holes is a plurality of, and the silencing holes are uniformly arranged.

Compared with the prior art, the utility model provides the small hole type muffler, which has the following beneficial effects:

1. this hole type silencer, intake pipe carry out fixed connection through first flange and relevant part, make the sealing ring seal the junction of first flange and relevant equipment through supporting spring's elastic potential energy, avoid taking place to leak influence device result of use, possess the advantage that the leakproofness is good.

2. This hole type muffler absorbs the amortization through amortization hole, refracting baffle, amortization foam and the cotton cooperation of wave form sound absorption, further inhales the sound and falls the noise through division board, baffle, porous expanded perlite layer and porous asbestos cement sheet layer cooperation, has solved prior art and only carries out one-level noise elimination and handles, and its treatment effect is poor, and the noise of having handled often can not reach the standard of making an uproar, the poor problem of effect of making an uproar falls.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

fig. 3 is an enlarged schematic view of the structure of the B of fig. 1 according to the present utility model.

In the figure: 1 a silencing cylinder, 2 an air inlet pipe, 3 silencing holes, 4 a fixing frame, 5 a refraction baffle, 6 silencing foam, 7 wave-shaped sound absorbing cotton, 8 a division plate, 9 porous expanded perlite layers, 10 porous asbestos cement plate layers, 11 baffle plates, 12 a first connecting flange, 13 an air outlet pipe, 14 a second connecting flange, 15 a movable groove, 16 a supporting spring, 17 a supporting rod and 18 sealing rings.

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.

Embodiment one:

referring to fig. 1-3, a small hole muffler in this embodiment includes a muffler barrel 1, an air inlet pipe 2 is fixedly connected to the top of the muffler barrel 1, a first connection flange 12 is fixedly connected to one end of the air inlet pipe 2 away from the muffler barrel 1, and the air inlet pipe 2 is fixedly connected to related components through the first connection flange 12.

In this embodiment, the inside of intake pipe 2 has been seted up amortization hole 3, amortization hole 3's quantity is a plurality of, and a plurality of amortization hole 3 is even range, break up the separation with the air current through amortization hole 3, the preliminary amortization of intaking, fixedly connected with mount 4 on the inner wall of amortization section of thick bamboo 1, fixedly connected with refracting baffle 5 on the inside wall of mount 4, refracting baffle 5's quantity is nine, nine refracting baffle 5 are crisscross form and distribute, make the air current overlap each other through refracting baffle 5, refracting, collide, make the sound wave energy turn into heat energy, and then make sound wave intensity weaken, even disappear.

It should be noted that, fixedly connected with amortization foam 6 on the inside wall of amortization section of thick bamboo 1, the one end fixedly connected with waveform that amortization foam 6 kept away from amortization section of thick bamboo 1 inhale sound cotton 7, inhale the amortization through amortization foam 6 and the cooperation of waveform inhale sound cotton 7, fixedly connected with division board 8 on the inside wall of amortization section of thick bamboo 1, fixedly connected with baffle 11 on the inside wall of amortization section of thick bamboo 1, further break up and refract the air current through division board 8 and baffle 11 cooperation, further make the noise reduction.

It can be understood that fixedly connected with porous expanded perlite layer 9 on the inside wall of amortization section of thick bamboo 1, fixedly connected with porous asbestos cement sheet layer 10 on the inside wall of amortization section of thick bamboo 1, all have the effect of inhaling sound and making an uproar through porous expanded perlite layer 9 and porous asbestos cement sheet layer 10, multiple mode amortization improves the sound insulation effect of device, the one end fixedly connected with outlet duct 13 of intake pipe 2 is kept away from to amortization section of thick bamboo 1, the one end fixedly connected with second flange 14 of amortization section of thick bamboo 1 is kept away from to outlet duct 13, outlet duct 13 is connected with relevant equipment through second flange 14, possess the stable advantage of connection.

Embodiment two:

referring to fig. 1-2, on the basis of the first embodiment, the silencer comprises a supporting rod 17 inserted into the silencing barrel 1, a movable groove 15 is formed in the silencing barrel 1, a supporting spring 16 is fixedly connected to the inside of the movable groove 15, the outside of the supporting spring 16 is fixedly connected with the supporting rod 17, a sealing ring 18 is fixedly connected to one end, far away from the supporting spring 16, of the supporting rod 17, the sealing ring 18 is matched with the first connecting flange 12, and the connection tightness between the first connecting flange 12 and related equipment is improved through the sealing ring 18.

By adopting the technical scheme, the purpose of good sealing effect is realized, the sealing ring 18 is pushed away by the elastic potential energy of the supporting spring 16, so that the sealing ring 18 seals the joint of the first connecting flange 12 and related equipment, and the use effect of the device is prevented from being influenced by leakage.

The working principle of the embodiment is as follows:

the air inlet pipe 2 is fixedly connected with related parts through a first connection flange 12, air flows enter the silencing barrel 1 through the air inlet pipe 2, firstly, the air flows are scattered and separated through the silencing holes 3, then, the air flows are mutually overlapped, refracted and collided through the refraction baffle 5, meanwhile, the sound absorbing foam 6 is matched with the waveform sound absorbing cotton 7 to absorb and silence, the air flows are further scattered and refracted through the matching of the partition plate 8 and the baffle 11, and the sound absorbing and denoising are carried out through the matching of the porous expanded perlite layer 9 and the porous asbestos cement board layer 10.

The beneficial effects of the embodiment are as follows:

this hole type muffler absorbs the amortization through amortization hole, refracting baffle, amortization foam and the cotton cooperation of wave form sound absorption, further inhales the sound and falls the noise through division board, baffle, porous expanded perlite layer and porous asbestos cement sheet layer cooperation, has solved prior art and only carries out one-level noise elimination and handles, and its treatment effect is poor, and the noise of having handled often can not reach the standard of making an uproar, the poor problem of effect of making an uproar falls.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. A small hole muffler, comprising a muffler cylinder (1), characterized in that: the top fixedly connected with intake pipe (2) of amortization section of thick bamboo (1), sound deadening hole (3) have been seted up to the inside of intake pipe (2), fixedly connected with mount (4) on the inner wall of amortization section of thick bamboo (1), fixedly connected with refracting baffle (5) on the inside wall of mount (4), fixedly connected with amortization foam (6) on the inside wall of amortization section of thick bamboo (1), the one end fixedly connected with waveform of amortization foam (6) is kept away from and is inhaled sound cotton (7), fixedly connected with division board (8) on the inner wall of amortization section of thick bamboo (1), fixedly connected with porous expanded perlite layer (9) on the inside wall of amortization section of thick bamboo (1), fixedly connected with porous asbestos cement sheet layer (10) on the inside wall of amortization section of thick bamboo (1).

2. A small hole type muffler according to claim 1, wherein: the silencer is characterized in that a baffle (11) is fixedly connected to the inner side wall of the silencing barrel (1), and a first connecting flange (12) is fixedly connected to one end, far away from the silencing barrel (1), of the air inlet pipe (2).

3. A small hole type muffler according to claim 1, wherein: one end of the silencing barrel (1) away from the air inlet pipe (2) is fixedly connected with an air outlet pipe (13), and one end of the air outlet pipe (13) away from the silencing barrel (1) is fixedly connected with a second connecting flange (14).

4. A small hole type muffler as defined in claim 2, wherein: the inside of amortization section of thick bamboo (1) has seted up movable groove (15), the inside fixedly connected with supporting spring (16) of movable groove (15).

5. A small hole type muffler according to claim 4, wherein: the outside fixedly connected with bracing piece (17) of supporting spring (16), the one end fixedly connected with sealing ring (18) that supporting spring (16) were kept away from to bracing piece (17).

6. A small hole type muffler according to claim 5, wherein: the sealing ring (18) is adapted to the first connecting flange (12).

7. A small hole type muffler according to claim 1, wherein: the number of the refraction baffles (5) is nine, and the nine refraction baffles (5) are distributed in a staggered mode.

8. A small hole type muffler according to claim 1, wherein: the number of the silencing holes (3) is a plurality of, and the silencing holes (3) are uniformly arranged.