CN211906944U

CN211906944U - Compressed air silencer

Info

Publication number: CN211906944U
Application number: CN202020166768.7U
Authority: CN
Inventors: 汤井虎
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-13
Filing date: 2020-02-13
Publication date: 2020-11-10
Anticipated expiration: 2030-02-13

Abstract

The utility model discloses a compressed air muffler, which comprises a housin, the air vent has been seted up to the right flank of casing, the first acoustical board of inside fixedly connected with of casing, four lugs of group of right flank fixedly connected with of first acoustical board, every the right flank of lug is all seted up flutedly, the inside fixedly connected with second acoustical board of casing, four groups's amortization through-holes, every have been seted up to the right flank of second acoustical board the equal fixed amortization cotton of inlaying in inside of amortization through-hole. This compressed air muffler, through the cooperation of first acoustical panel, lug and recess, can wholly form the amortization ripple, weaken sound energy, through the cotton cooperation of second acoustical panel, amortization through-hole and amortization, can further make sound energy loss, through setting up the foam-rubber cushion, loss sound energy that can be further, this equipment can play fine noise cancelling effect, with sound control at reasonable within range.

Description

Compressed air silencer

Technical Field

The utility model relates to an amortization technical field specifically is a compressed air muffler.

Background

Along with the improvement of industrialization degree, noise hazard range is enlarged increasingly, social modernization progress and industry and transportation industry development are reformed and opened for 20 years, along with the development of cities and the gradual improvement of road infrastructure, the quantity of various vehicles in the cities is increased sharply, traffic noise pollution and industrial noise pollution are serious, and the influence on the work and health of people is concerned more and more.

Noise makes the people restless, produces tired sense, influences concentration of energy and work efficiency, again because the masking effect of noise, often makes the people be difficult for perceiving dangerous signal to cause the accident, the anterior flow in the twinkling of an eye is big when the evacuation mostly for current compressed air equipment, and the impact force is strong, and the noise is big, has seriously influenced equipment life and site operation personnel's normal work.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a compressed air muffler, the noise is big when having solved the evacuation, seriously influences the problem that the site operation personnel normally worked.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compressed air muffler, includes the casing, the air vent has been seted up to the right flank of casing, the first acoustical board of inside fixedly connected with of casing, four group's lugs of right flank fixedly connected with of first acoustical board, every the right flank of lug all sets up flutedly, the inside fixedly connected with second acoustical board of casing, four group's amortization through-holes, every have been seted up to the right flank of second acoustical board the inside of amortization through-hole is all fixed to be inlayed and has been had the amortization cotton, the inside fixedly connected with foam-rubber cushion of casing, the fixed intercommunication of right flank of casing has the intake pipe, the exhaust through-hole has been seted up to the left flank of casing.

As a further description of the above technical solution, the vent holes are trumpet-shaped, the number of the bumps in each group is at least seven, the volume is suddenly increased, the pressure of the compressed air is released, and part of the energy is lost by the sound.

As a further description of the above technical solution, each of the protrusions has a quadrangular frustum pyramid shape, and each of the grooves has an inverted quadrangular frustum pyramid shape, so that a silencing ripple can be integrally formed to reduce sound energy.

As a further description of the above technical solution, the first filter screen is fixedly connected to the inside of the housing, and the second filter screen is fixedly connected to the inside of the housing, so that the flow rate of the compressed air is reduced, and the flow rate of the compressed air is further reduced.

As further description of the technical scheme, the number of the silencing through holes in each group is at least seven, the size of the exhaust through holes is matched with that of the air inlet pipe, the silencing performance of the equipment is improved, and the equipment can be conveniently and transversely stacked.

As a further description of the above technical solution, the protective net is fixedly connected to the inner side wall of the housing, and the exhaust through hole is located right to the left of the protective net, so that particles and the like mixed in the compressed air can be prevented from being flushed out, and harm to field operators is prevented.

As a further description of the above technical solution, the upper surface of the housing is fixedly connected with a clamping block, and the bottom surface of the housing is provided with a clamping groove adapted to the clamping block, so that the device can be conveniently vertically stacked.

(III) advantageous effects

The utility model provides a compressed air muffler possesses following beneficial effect:

(1) this compressed air muffler, cooperation through intake pipe and air vent, compressed air gets into the casing from the intake pipe, during through the air vent, because the volume increases suddenly, compressed air pressure obtains the release, sound loss partial energy, through first acoustical panel, the cooperation of lug and recess, can form the amortization ripple wholly, weaken sound energy, through the second acoustical panel, amortization through-hole and the cotton cooperation of amortization, can further make sound energy loss, through setting up the foam-rubber cushion, loss sound energy that can further go forward, this equipment can play fine noise cancelling effect, with sound control at reasonable within range.

(2) This compressed air muffler, through setting up first filter screen, can reduce compressed air's velocity of flow, through setting up the second filter screen, can further reduce compressed air's velocity of flow, through setting up the protection network, can effectively avoid the rush-out of the granule etc. that mix with in the compressed air, prevent to cause harm to field operation personnel, cooperation through fixture block and draw-in groove, make things convenient for this equipment to carry out vertical stack, cooperation through intake pipe and exhaust through-hole, not only can play the effect of admitting air and exhaust, also can make this equipment transversely stack.

Drawings

FIG. 1 is a front, cross-sectional and perspective view of the muffler of the present invention;

FIG. 2 is a right side sectional perspective view of the muffler of the present invention;

FIG. 3 is a top cross-sectional perspective view of the muffler of the present invention;

fig. 4 is a right-side internal perspective view of the muffler of the present invention.

In the figure: the air purifier comprises a shell 1, vent holes 2, a first silencing plate 3, a convex block 4, a groove 5, a first filter screen 6, a second silencing plate 7, silencing through holes 8, silencing cotton 9, a second filter screen 10, a spongy cushion 11, a protective screen 12, an air inlet pipe 13, an air exhaust through hole 14, a clamping block 15 and a clamping groove 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a compressed air silencer comprises a shell 1, wherein the right side surface of the shell 1 is provided with air vents 2, the air vents 2 are horn-shaped, the volume is suddenly increased, the compressed air pressure is released, partial energy of sound loss is lost, a first silencing plate 3 is fixedly connected inside the shell 1, the right side surface of the first silencing plate 3 is fixedly connected with four groups of lugs 4, the number of each group of lugs 4 is at least seven, each lug 4 is in a quadrangular frustum shape and can integrally form silencing ripples to weaken the sound energy, the right side surface of each lug 4 is provided with a groove 5, each groove 5 is in an inverted quadrangular frustum shape, the inside of the shell 1 is fixedly connected with a first filter screen 6 to reduce the flow rate of compressed air, the inside of the shell 1 is fixedly connected with a second silencing plate 7, the right side surface of the second silencing plate 7 is provided with four groups of silencing through holes 8, and the number of each group of silencing through holes 8 is, improve the amortization performance of this equipment, the equal fixed embedding in inside of every amortization through-hole 8 has amortization cotton 9, the inside fixedly connected with second filter screen 10 of casing 1, further reduce compressed air's the velocity of flow, the inside fixedly connected with foam-rubber cushion 11 of casing 1, casing 1's inside wall fixedly connected with protection network 12, casing 1's the fixed intercommunication of right flank has intake pipe 13, exhaust through-hole 14 has been seted up to casing 1's left surface, exhaust through-hole 14's size and intake pipe 13 looks adaptation, make things convenient for this equipment horizontal stack, exhaust through-hole 14 is located the positive left side of protection network 12, can avoid the dash out of the granule etc. that mix with in the compressed air, prevent to cause harm to field operation personnel, casing 1's last fixed surface is connected with fixture block 15, draw-in groove 16 with fixture block 15 looks adaptation is seted up to casing 1.

The working principle is as follows: the compressed air enters the shell 1 from the air inlet pipe 13 firstly, when passing through the vent hole 2, the compressed air pressure is released due to the sudden increase of the volume, part of the energy is lost by sound, when passing through the first sound-absorbing plate 3, the sound energy is weakened by the sound-absorbing corrugation formed by the first sound-absorbing plate 3, the convex blocks 4 and the grooves 5, when passing through the first filter screen 6, the compressed air flow rate is reduced, when passing through the second sound-absorbing plate 7, the sound energy is further lost by the sound-absorbing cotton 9 in the sound-absorbing through holes 8, when passing through the second filter screen 10, the compressed air flow rate is further reduced, when passing through the sponge cushion 11, the sound energy is further lost, and finally the compressed air is discharged from the exhaust through holes 14.

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.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A compressed air silencer comprising a casing (1), characterized in that: air vent (2) have been seted up to the right flank of casing (1), the first acoustical panel (3) of inside fixedly connected with of casing (1), four group's of right flank fixedly connected with lugs (4) of first acoustical panel (3), every recess (5) have all been seted up to the right flank of lug (4), the inside fixedly connected with second acoustical panel (7) of casing (1), four group's amortization through-holes (8), every have been seted up to the right flank of second acoustical panel (7) the inside of amortization through-hole (8) is all fixed to be inlayed and is had amortization cotton (9), the inside fixedly connected with foam-rubber cushion (11) of casing (1), the right flank fixed intercommunication of casing (1) has intake pipe (13), exhaust through-hole (14) have been seted up to the left flank of casing (1).

2. A compressed air silencer according to claim 1, wherein: the vent holes (2) are trumpet-shaped, and the number of the lugs (4) in each group is at least seven.

3. A compressed air silencer according to claim 1, wherein: each lug (4) is in a quadrangular frustum pyramid shape, and each groove (5) is in an inverted quadrangular frustum pyramid shape.

4. A compressed air silencer according to claim 1, wherein: the filter screen is characterized in that a first filter screen (6) is fixedly connected to the inside of the shell (1), and a second filter screen (10) is fixedly connected to the inside of the shell (1).

5. A compressed air silencer according to claim 1, wherein: the number of the silencing through holes (8) in each group is at least seven, and the size of the exhaust through holes (14) is matched with that of the air inlet pipe (13).

6. A compressed air silencer according to claim 1, wherein: the inner side wall of the shell (1) is fixedly connected with a protective net (12), and the exhaust through holes (14) are located on the right left side of the protective net (12).

7. A compressed air silencer according to claim 1, wherein: the upper surface of the shell (1) is fixedly connected with a clamping block (15), and the bottom surface of the shell (1) is provided with a clamping groove (16) matched with the clamping block (15).