CN220688384U - A new type of muffler - Google Patents

Abstract

The utility model relates to the technical field of noise elimination and discloses a novel muffler, which comprises a first noise elimination pipe, wherein the top of the first noise elimination pipe is connected with a second noise elimination pipe, installation grooves are formed in the first noise elimination pipe and the second noise elimination pipe, a noise elimination structure is inserted into the installation grooves, a sealing external structure is sleeved on one section of the outer sides of the first noise elimination pipe and the second noise elimination pipe, the first noise elimination pipe comprises a first outer pipe, a first sealing layer, sealing lugs and a first external edge, sealing lugs are arranged on two sides of the top of the first sealing layer, and one end of the outer side of the first external pipe is provided with a first external edge. This novel silencer is through pegging graft sealed lug in sealed recess's inside, with No. one muffler pipe and No. two muffler pipes become an organic wholely, through unpacking apart No. one muffler pipe and No. two muffler pipes to take out the amortization structure from the mounting groove is inside, be convenient for separately clear up No. one muffler pipe, no. two muffler pipes and amortization structure.

Description

A new type of muffler

Technical Field

The utility model relates to the field of noise reduction technology, specifically a new type of muffler.

Background technique

A silencer refers to a noise reduction device that can be used for an air flow duct with noise propagation at the same time, such as a pipe and elbow with a sound-absorbing lining or a pipe with a sudden change in cross-sectional area and other discontinuous acoustic impedance, so that the noise in the pipe can be attenuated or reflected back. For example, the new silencer CN218543584U disclosed on the Chinese patent website includes a silencer pipe, a conical pipe is arranged at one end of the silencer pipe, and a connecting pipe is arranged at the end of the conical pipe away from the silencer pipe, which can be directly connected to the exhaust port of the gas pipeline for use, and can effectively reduce and absorb the audio of the exhaust port of the gas pipeline for multiple times, and output its audio, which can effectively reduce the operating impact of the workers caused by excessive noise from the exhaust port of the gas pipeline in the industrial production process, and can effectively avoid the incidence of occupational ear diseases of workers in such an environment, and complete the silencing operation. However, after long-term use, dirt accumulates inside and is inconvenient to clean, affecting the silencing effect. Therefore, a new silencer is proposed.

Utility model content

(1) Technical problems solved

In view of the deficiencies in the prior art, the utility model provides a new type of muffler, which has the advantages of being easy to disassemble and clean, and solves the problem that the muffler effect is affected by the inconvenience of cleaning caused by the accumulation of dirt inside.

(2) Technical solutions

In order to achieve the above purpose, the present utility model provides the following technical solution: a new type of muffler, including a No. 1 muffler tube, the top of the No. 1 muffler tube is connected with a No. 2 muffler tube, and the No. 1 muffler tube and the No. 2 muffler tube are connected to the top of the No. 1 muffler tube. There is an installation groove inside the No. 1 muffler pipe, and a muffler structure is plugged into the installation groove. A sealing external structure is connected to the outer section of the No. 1 muffler pipe and the No. 2 muffler pipe.

Preferably, the No. 1 silencer includes an outer tube No. 1, a sealing layer No. 1, a sealing protrusion and a No. 1 external edge. The outer side of the No. 1 silencer is set as the No. 1 outer tube, the No. 1 sealing layer is set inside the No. 1 outer tube, sealing protrusions are set on both sides of the top of the No. 1 sealing layer, and a No. 1 external edge is set at one end of the outer side of the No. 1 outer tube.

Preferably, the No. 2 muffler tube includes a No. 2 outer tube, a No. 2 sealing layer, a sealing groove and a No. 2 outer edge. The outside of the No. 2 muffler tube is set as the No. 2 outer tube. The inside of the No. 2 outer tube is A No. 2 sealing layer is provided. Sealing grooves are provided on both sides of the bottom of the No. 2 sealing layer. One end of the outer side of the No. 2 outer tube is provided with a No. 2 external edge. The sealing protrusion is inserted into the inside of the sealing groove. The No. 1 muffler pipe and the No. 2 muffler pipe are assembled into one body, and the No. 1 sealing layer and the No. 2 sealing layer are used to prevent the gas inside the muffler from leaking out and affecting the silencing effect.

Preferably, the sound-absorbing structure includes a sound-absorbing plate, an air vent and a sound-absorbing groove. The main body of the sound-absorbing structure is configured as a plurality of sound-absorbing plates. Air vents are provided inside the plurality of sound-absorbing plates. A plurality of sound-absorbing grooves are configured between the plurality of sound-absorbing plates. The noise generated by part of the airflow is absorbed by the plurality of sound-absorbing plates, and the noise absorption effect is enhanced by the sound-absorbing grooves between the plurality of sound-absorbing plates.

Preferably, the sealing external connection structure includes an external connection sleeve, a sealing sleeve and a socket groove. The outside of the sealing external connection structure is an external connection sleeve, the sealing sleeve is provided inside the external connection sleeve, and the socket groove is provided inside the sealing sleeve. Connect the No. 1 external edge and the No. 2 external edge to the outside of the socket groove and use fixing bolts to pass through the sealed external structure and connect to the airflow duct.

Compared with the existing technology, this utility model provides a new type of muffler, which has the following beneficial effects:

1. This new type of muffler assembles the No. 1 muffler pipe and the No. 2 muffler pipe into one body by inserting the sealing protrusion into the inside of the seal groove. By disassembling the No. 1 muffler pipe and the No. 2 muffler pipe Open and take out the silencing structure from the inside of the installation slot to facilitate separate cleaning of the No. 1 silencing pipe, the No. 2 silencing pipe and the silencing structure.

2. This new type of muffler enhances the noise absorption effect through the silencer grooves between the multiple silencer plates. The No. 1 external edge and the No. 2 external edge are sleeved on the outside of the sleeve groove and use fixing bolts to pass through the sealed external connection. The structure is connected with air flow ducts.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model;

Figure 2 is a partial structural schematic diagram of the utility model;

Figure 3 is a partial structural diagram of the utility model.

Among them: 1. No. 1 muffler pipe; 101. No. 1 outer pipe; 102. No. 1 sealing layer; 103. Sealing protrusion; 104. No. 1 external edge; 2. No. 2 muffler pipe; 201. No. 2 outer pipe; 202. No. 2 sealing layer; 203. Sealing groove; 204. No. 2 external edge; 3. Installation groove; 4. Silencing structure; 401. Silencing plate; 402. Ventilation port; 403. Silencing groove; 5. Sealing external structure ; 501, external sleeve; 502, sealing sleeve; 503, socket groove.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to Figures 1-3. The present utility model provides the following technical solution: a new type of muffler, including a No. 1 muffler tube 1, a No. 2 muffler tube 2 connected to the top of the No. 1 muffler tube 1, and a No. 1 muffler tube 1 There is an installation groove 3 inside the No. 2 muffler pipe 2, and a muffler structure 4 is plugged into the installation groove 3. A section outside the No. 1 muffler pipe 1 and the No. 2 muffler pipe 2 is connected with a sealed external structure 5;

The first muffler pipe 1 comprises a first outer pipe 101, a first sealing layer 102, a sealing protrusion 103 and a first external edge 104. The outer side of the first muffler pipe 1 is set as the first outer pipe 101, the first sealing layer 102 is set inside the first outer pipe 101, the sealing protrusions 103 are set on both sides of the top of the first sealing layer 102, and the first external edge 104 is set at one end of the outer side of the first outer pipe 101;

The No. 2 muffler pipe 2 includes a No. 2 outer pipe 201, a No. 2 sealing layer 202, a sealing groove 203 and a No. 2 outer edge 204. The No. 2 muffler pipe 2 is configured with the No. 2 outer pipe 201 on the outside and the No. 2 outer pipe 201 on the inside. No. 2 sealing layer 202, sealing grooves 203 are provided on both sides of the bottom of the No. 2 sealing layer 202, and No. 2 external edge 204 is provided at one end outside the No. 2 outer tube 201. The sealing protrusion 103 is inserted into the sealing groove 203. Inside, the No. 1 muffler pipe 1 and the No. 2 muffler pipe 2 are assembled into one body, and the No. 1 sealing layer 102 and the No. 2 sealing layer 202 are used to prevent the gas inside the muffler from leaking out and affecting the silencing effect;

The silencing structure 4 includes a silencing plate 401, a vent 402 and a silencing groove 403. The main body of the silencing structure 4 is composed of a plurality of silencing plates 401. Ventilation openings 402 are provided inside the plurality of silencing plates 401. Between the plurality of silencing plates 401 there are A plurality of silencing grooves 403 absorb part of the noise generated by the airflow through a plurality of silencing plates 401, and the silencing grooves 403 between the plurality of silencing plates 401 enhance the noise absorption effect;

The sealing external connection structure 5 includes an external connection sleeve 501, a sealing sleeve 502 and a socket groove 503. The outside of the sealing external connection structure 5 is provided with an external connection sleeve 501, the sealing sleeve 501 is provided with a sealing sleeve 502 inside, and the sealing sleeve 502 is provided with a socket groove 503 inside. The No. 1 external edge 104 and the No. 2 external edge 204 are sleeved on the outside of the socket groove 503 and are connected to the airflow duct through the sealed external structure 5 using fixing bolts.

During use, by inserting the sealing protrusion 103 into the sealing groove 203, the No. 1 muffler pipe 1 and the No. 2 muffler pipe 2 are assembled into one body, and by connecting the No. 1 external edge 104 and the No. 2 external edge 204 is sleeved on the outside of the socket groove 503 and uses fixing bolts to pass through the sealed external structure 5 to connect to the airflow pipe. When cleaning is required, disassemble the No. 1 muffler pipe 1 and the No. 2 muffler pipe 2, and remove the muffler pipe. The structure 4 is taken out from the inside of the installation groove 3 to facilitate separate cleaning of the No. 1 muffler pipe 1, the No. 2 muffler pipe 2 and the muffler structure 4.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. A new type of muffler, including a No. 1 muffler pipe (1), characterized in that: a No. 2 muffler pipe (2) is connected to the top of the No. 1 muffler pipe (1), and the No. 1 muffler pipe (1) is connected to the No. 1 muffler pipe (1). (1) A mounting slot (3) is provided inside the No. 2 muffler pipe (2). A silencing structure (4) is inserted into the mounting slot (3). The No. 1 muffler pipe (1) and A section outside the No. 2 muffler pipe (2) is connected with a sealed external structure (5). 2. A new type of muffler according to claim 1, characterized in that: the No. 1 muffler tube (1) includes a No. 1 outer tube (101), a No. 1 sealing layer (102), and a sealing protrusion (103). and the No. 1 external edge (104), the No. 1 outer pipe (101) is set outside the No. 1 muffler pipe (1), and the No. 1 sealing layer (102) is provided inside the No. 1 outer pipe (101). Sealing protrusions (103) are provided on both sides of the top of the No. 1 sealing layer (102), and a No. 1 external edge (104) is provided at one end outside the No. 1 outer tube (101). 3. A new muffler according to claim 1, characterized in that: the No. 2 muffler tube (2) includes a No. 2 outer tube (201), a No. 2 sealing layer (202), and a sealing groove (203). ) and the No. 2 external edge (204), the No. 2 outer pipe (201) is set outside the No. 2 muffler pipe (2), and the No. 2 sealing layer (202) is provided inside the No. 2 outer pipe (201). The above-mentioned Sealing grooves (203) are provided on both sides of the bottom of the No. 2 sealing layer (202), and a No. 2 external edge (204) is provided at one end outside the No. 2 outer tube (201). 4. A new muffler according to claim 1, characterized in that: the silencing structure (4) includes a silencing plate (401), a vent (402) and a silencing groove (403). 4) The main body is configured as a plurality of silencing panels (401), each of the plurality of silencing panels (401) is provided with ventilation openings (402), and a plurality of silencing panels (401) is configured as a plurality of silencing grooves (403). ). 5. A new type of muffler according to claim 1, characterized in that: the sealing external structure (5) includes an external sleeve (501), a sealing sleeve (502) and a sleeve groove (503). An external connection sleeve (501) is provided on the outside of the external connection structure (5), a sealing sleeve (502) is provided inside the external connection sleeve (501), and a socket groove (503) is provided inside the sealing sleeve (502).