CN217933161U

CN217933161U - Array type silencer

Info

Publication number: CN217933161U
Application number: CN202221479182.1U
Authority: CN
Inventors: 王建勇; 赵琼
Original assignee: Xi'an Jinyuntai Acoustic Environmental Science And Technology Co ltd
Current assignee: Xi'an Jinyuntai Acoustic Environmental Science And Technology Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-11-29
Anticipated expiration: 2032-06-14

Abstract

The utility model discloses an array silencer belongs to silencer technical field. This silencer includes: a plurality of muffling bodies and a shell; the silencing body is provided with a through hole in a penetrating way, the side wall of the silencing body is hollow, and the inner wall of the through hole is provided with a plurality of silencing holes; a plurality of noise elimination body is arranged in the casing in an array manner. The utility model discloses in, be a plurality of noise elimination body array and arrange to run through and place in the casing, when can eliminating the noise, also make things convenient for in the dismantlement of noise elimination post overhaul, renew, need not wholly renew the silencer, practiced thrift resource and cost.

Description

Array silencer

Technical Field

The utility model relates to a silencer technical field, in particular to array silencer.

Background

The silencer is an acoustic device which allows airflow to pass through and can reduce noise, and is widely used for engine air inlet and exhaust noise control, heating and ventilation system noise control and other occasions. The array type silencer is a new product invented in recent years, has the characteristics of small resistance coefficient, stable structure and the like, is widely applied to the fields of heat engine air inlet systems, rail transit ventilation systems, building noise control and the like, and is determined by the building industry, the electric power industry and the like. In the prior art, the array type silencer is formed by welding the silencing bodies directly by using the support frame and arranging the silencing bodies in an array manner in the silencer shell, and particularly, the guide hoods at the two ends of the silencing bodies are all welded on the support frame, so that the silencing columns are inconvenient to disassemble, overhaul and renew, the silencer is usually renewed integrally, and resources and cost are wasted.

SUMMERY OF THE UTILITY MODEL

In order to solve the prior art problem, the utility model provides an array silencer. The muffler includes: a plurality of muffling bodies and a shell;

the silencer is characterized in that a through hole penetrates through the silencer, the side wall of the silencer is hollow, and a plurality of silencing holes are formed in the inner wall of the through hole;

the plurality of noise elimination bodies are arranged in the shell in an array manner.

Further, the through hole is a square hole.

Furthermore, the side wall of the noise elimination body is filled with a sound absorption layer.

Further, the sound absorption layer is a centrifugal glass wool layer.

Furthermore, a weather-resistant film is laid on the outer side wall of the noise damper.

Further, the side walls at two ends of the noise elimination body are arranged in an inward inclined mode.

Further, the housing comprises a top plate, a bottom plate and two side plates;

the top plate, the bottom plate and the two side plates are encircled to form a frame body;

the plurality of noise elimination bodies are arranged in an array mode and penetrate through the frame body.

Further, the side plates are trapezoidal plates;

and one large-size end of the trapezoidal plate is fixedly connected with the top plate, and one small-size end of the trapezoidal plate is fixedly connected with the bottom plate.

Further, the muffler further includes: a fixing device;

the fixing device includes: the two ends of the U-shaped connecting piece are connected with connecting plates, and bolt holes are formed in the connecting plates;

the two U-shaped connecting pieces are detachably connected through bolts, and the U-shaped grooves of the two U-shaped connecting pieces are opposite;

the plurality of noise elimination bodies arranged in an array manner are positioned in the two U-shaped connecting pieces.

Furthermore, the number of the fixing devices is two, and the two fixing devices are respectively connected to two ends of the plurality of the noise elimination bodies arranged in an array manner.

The utility model provides a technical scheme's beneficial effect is: the utility model discloses in, be array with a plurality of noise elimination body and arrange and run through and place in the casing, when can eliminating the noise, also make things convenient for in the dismantlement of noise elimination post overhaul, renew, need not wholly renew the silencer, practiced thrift resource and cost. Additionally, the utility model discloses in, still be provided with fixing device, will be the array through two U type connecting pieces of fixing device and arrange and carry out detachable fixed between a plurality of noise elimination body, strengthened being the stability of a plurality of noise elimination body that the array was arranged.

Drawings

Fig. 1 is a schematic structural diagram of an array muffler provided by the present invention;

fig. 2 is a schematic structural view of a muffler body provided by the present invention;

fig. 3 is a schematic structural diagram of a housing provided by the present invention;

fig. 4 is a schematic structural diagram of a fixing device provided by the present invention;

reference numerals are as follows: 1-a muffler body; 2-a shell; 3-a through hole; 4-a sound-deadening hole; 5-a top plate; 6-a bottom plate; 7-side plate; 8-U-shaped connecting pieces; 9-a connecting plate; 10-bolt hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1 to 4, an array type muffler includes: a plurality of noise elimination body 1, casing 2 and fixing device, it is provided with square through-hole 3 to run through on the noise elimination body 1, set up a plurality of noise elimination holes 4 on the inner wall of through-hole 3, the lateral wall of noise elimination body 1 is the cavity form, inside packing has the sound absorbing layer that centrifugal glass cotton constitutes, sound gets into through-hole 3, be eliminated the noise by the sound absorbing layer through noise elimination hole 4, the reinforcing sound absorption effect, the lateral wall at noise elimination body 1 both ends all inwards inclines to set up, the area that multiplicable distinguished and admirable and sound got into, improve the noise elimination effect, lay resistant time membrane on the lateral wall of noise elimination body 1, thereby protect noise elimination body 1, and the service life is prolonged.

Casing 2 includes roof 5, bottom plate 6 and two curb plates 7, and roof 5, bottom plate 6 and two curb plates 7 surround and form the frame body, and a plurality of noise elimination body 1 is array and arranges to run through and place in the frame body, and curb plate 7 is trapezoidal plate, trapezoidal plate jumbo size one end and roof 5 fixed connection, trapezoidal plate small-size one end and bottom plate 6 fixed connection to make things convenient for noise elimination body 1 to put into and take out.

The fixing device is two, all includes: two ends of two U type connecting piece 8,U type connecting piece 8 are connected with connecting plate 9,U type connecting piece 8 and connecting plate 9 and form "nearly" font structure, are provided with bolt hole 10 on the connecting plate 9, and two U type connecting pieces 8 can dismantle the connection through the bolt, and the U type groove of two U type connecting pieces 8 is relative, and two fixing device connect respectively at the both ends that are a plurality of noise elimination body 1 that the array was arranged. Wherein, the height of the lateral wall in the middle of U type connecting piece 8 equals to be the height of a plurality of noise elimination body 1 that the array was arranged, and the length that the lateral wall at two U type connecting piece 8 both ends adds equals to be the width of a plurality of noise elimination body 1 that the array was arranged to can fix a plurality of noise elimination body 1 that is the array and arranges.

It is worth explaining in the utility model discloses in, be a plurality of noise elimination body array arrange run through place in the casing, when can eliminating the noise, also make things convenient for in the dismantlement of noise elimination post overhaul, renew, need not wholly renew the silencer, practiced thrift resource and cost. Additionally, the utility model discloses in, still be provided with fixing device, will be the array through two U type connecting pieces of fixing device and arrange and carry out detachable fixed between a plurality of noise elimination body, strengthened being the stability of a plurality of noise elimination body that the array was arranged.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An array type muffler, comprising: the silencer comprises a plurality of silencing bodies (1), a shell (2) and a fixing device;

a through hole (3) penetrates through the noise elimination body (1), the side wall of the noise elimination body (1) is hollow, and a plurality of noise elimination holes (4) are formed in the inner wall of the through hole (3);

the shell (2) comprises a top plate (5), a bottom plate (6) and two side plates (7);

the top plate (5), the bottom plate (6) and the two side plates (7) surround to form a frame body;

the plurality of noise elimination bodies (1) are arranged in an array manner and penetrate through the frame body;

the side plates (7) are trapezoidal plates, one large-size end of each trapezoidal plate is fixedly connected with the top plate (5), and one small-size end of each trapezoidal plate is fixedly connected with the bottom plate (6);

the fixing device includes: the connecting device comprises two U-shaped connecting pieces (8), wherein two ends of each U-shaped connecting piece (8) are connected with connecting plates (9), and bolt holes (10) are formed in the connecting plates (9);

the two U-shaped connecting pieces (8) are detachably connected through bolts, and the U-shaped grooves of the two U-shaped connecting pieces (8) are opposite;

the plurality of the noise elimination bodies (1) arranged in an array manner are positioned in the two U-shaped connecting pieces (8).

2. An array muffler according to claim 1, wherein the through-hole (3) is a square hole.

3. An array muffler according to claim 1, wherein the side wall of the muffler body (1) is filled with a sound absorbing layer.

4. The array muffler of claim 3, wherein the sound absorption layer is a centrifugal glass wool layer.

5. The array muffler of claim 1, wherein a weather-resistant film is coated on the outer side wall of the muffler body (1).

6. The array muffler according to claim 1, wherein the side walls of both ends of the muffler body (1) are inclined inward.

7. The array muffler according to claim 1, wherein two fixing means are respectively coupled to both ends of the plurality of muffling bodies (1) arranged in an array.