CN213150340U

CN213150340U - High-efficient muffler

Info

Publication number: CN213150340U
Application number: CN202022083147.5U
Authority: CN
Inventors: 赵铁峰; 蒋良雄; 王宝铁; 魏广军
Original assignee: Qidong Hengsheng Instrument Equipment Co ltd
Current assignee: Qidong Hengsheng Instrument Equipment Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-05-07
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a high-efficiency silencer, which comprises a silencing pipe body, wherein one end of the silencing pipe body is provided with a front end cover, the other end of the silencing pipe body is provided with a rear end cover, a first baffle and a second baffle are respectively arranged inside the silencing pipe body, an air inlet pipe is arranged on the front end cover in an inserting way, one end of the air inlet pipe penetrates through a first baffle and extends to one side of the second baffle, an air outlet pipe is arranged on the rear end cover in an inserting way, one end of the air outlet pipe penetrates through the second baffle and extends to one side of the first baffle, both sides of the air inlet pipe and a fixing frame are arranged between the first baffle and the front end cover, one side of the fixing frame is provided with a buffer device, one side of the buffer device is provided with a silencing plate, silencing cotton is filled on the inner wall of the silencing pipe body, the silencing plate is of an arc structure, a plurality of through holes are arranged on, and sealing rings are arranged at the joints between the air inlet pipe and the first partition plate and between the air outlet pipe and the second partition plate.

Description

High-efficient muffler

Technical Field

The utility model relates to a muffler field particularly, relates to a high-efficient muffler.

Background

At present, a muffler is a device for reducing noise, which is installed on an airflow path of an aerodynamic device (such as a blower, an air compressor) or in an intake and exhaust system. The muffler can block the propagation of sound waves and allow air flow to pass through, and is an effective tool for controlling noise. Traditional silencer has the air current cushioning effect, and the structure of this silencer is comparatively simple, and the amortization mode is single, and the effect of amortization is relatively poor.

SUMMERY OF THE UTILITY MODEL

The technical task of the utility model is to above not enough, provide a high-efficient muffler, it is single to solve the amortization mode, the relatively poor problem of effect of amortization.

The technical scheme of the utility model is realized like this:

the utility model provides a high-efficient muffler, includes the hush pipe body, the one end of hush pipe body is equipped with the front end housing, the other end of hush pipe body is equipped with the rear end cap, the inside of hush pipe body is equipped with baffle one and baffle two respectively, it is equipped with the intake pipe to alternate on the front end housing, and, the one end of intake pipe runs through on the baffle one and extend to one side of baffle two, it is equipped with the outlet duct to alternate on the rear end cap, and, the one end of outlet duct runs through on the baffle two and extend to one side of baffle one, the both sides of intake pipe just are located the front end housing reaches all be equipped with the mount between the baffle one, one side of mount is equipped with buffer, one side of buffer is equipped with the hush board.

Preferably, the inner wall of the silencing pipe body is filled with silencing cotton, and the silencing plate is of an arc structure.

Preferably, the air inlet pipe and the air outlet pipe are provided with a plurality of through holes respectively between the first partition plate and the second partition plate.

Preferably, sealing rings are arranged at the joints between the air inlet pipe and the first partition plate and between the air outlet pipe and the second partition plate.

Preferably, the buffering device comprises a sliding groove, the sliding groove is located on one side of the fixing frame, a first sliding block and a second sliding block which are matched with the sliding groove are arranged on the inner side of the sliding groove, a first spring is arranged between the first sliding block and the second sliding block and located in the sliding groove, the first sliding block is movably connected with the silencing plate through a first connecting rod, the second sliding block is movably connected with the silencing plate through a second connecting rod, and the first connecting rod and the second connecting rod are both sleeved with a second spring.

Preferably, the first connecting rod and the first sliding block and the second connecting rod and the second sliding block are connected through rotating shafts.

The utility model has the advantages that: the utility model discloses a be equipped with the intake pipe in one side of hush pipe body, can be used for producing constructive or destructive reflected wave, waste gas gets into the intake pipe earlier, bounce back from the inner wall amortization cotton of hush pipe body, because muffler internal pressure is greater than outdoor air pressure, so in tail gas that comes out from the intake pipe rear end enters into the outlet duct through the through-hole, thereby reduce speed and the flow that tail gas rushed out the export and reach the purpose of amortization, through setting up buffer, and then form the resonance room between front end housing and baffle one, the efficiency of amortization has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a high-efficiency silencer according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a buffer device according to an embodiment of the present invention.

In the figure:

1. a muffler pipe body; 2. a front end cover; 3. a rear end cap; 4. a first clapboard; 5. a second clapboard; 6. an air inlet pipe; 7. an air outlet pipe; 8. a fixed mount; 9. a buffer device; 10. a sound-absorbing panel; 11. silencing cotton; 12. a through hole; 13. a seal ring; 14. a chute; 15. a first sliding block; 16. a second sliding block; 17. a first spring; 18. a first connecting rod; 19. a second connecting rod; 20. a second spring; 21. a rotating shaft.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

An embodiment, as shown in fig. 1, according to the utility model discloses a high-efficient muffler, including hush pipe body 1, hush pipe body 1's one end is equipped with front end housing 2, hush pipe body 1's the other end is equipped with rear end housing 3, hush pipe body 1's inside is equipped with baffle one 4 and baffle two 5 respectively, it is equipped with intake pipe 6 to alternate on front end housing 2, and, the one end of intake pipe 6 runs through on baffle one 4 and extends to one side of baffle two 5, it is equipped with outlet duct 7 to alternate on rear end housing 3, and, the one end of outlet duct 7 runs through on baffle two 5 and extends to one side of baffle one 4, the both sides of intake pipe 6 just are located and all are equipped with mount 8 between front end housing 2 and the baffle one 4, one side of mount 8 is equipped with buffer 9, one side of buffer 9 is equipped with hush board 10.

Specifically, the silencing cotton 11 is filled on the inner wall of the silencing pipe body 1, the silencing plate 10 is of an arc-shaped structure, a plurality of through holes 12 are formed in the air inlet pipe 6 and the air outlet pipe 7 and located between the first partition plate 4 and the second partition plate 5, and sealing rings 13 are arranged at the connecting positions between the air inlet pipe 6 and the first partition plate 4 and between the air outlet pipe 7 and the second partition plate 5.

The structure and function of the damper 9 will be described in detail below.

As shown in fig. 2, the buffering device 9 includes a sliding slot 14, the sliding slot 14 is located on one side of the fixing frame 8, a first sliding block 15 and a second sliding block 16 which are matched with the sliding slot 14 are arranged on the inner side of the sliding slot 14, a first spring 17 is arranged between the first sliding block 15 and the second sliding block 16 and inside the sliding slot 14, the first sliding block 15 is movably connected with the sound-absorbing plate 10 through a first connecting rod 18, the second sliding block 16 is movably connected with the sound-absorbing plate 10 through a second connecting rod 19, the first connecting rod 18 and the second connecting rod 19 are both sleeved with a second spring 20, and the first connecting rod 18 is connected with the first sliding block 15 and the second connecting rod 19 is connected with the.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application: through intake pipe 6 with gaseous input to hush pipe body 1 in, because it is equipped with amortization cotton 11 to fill on hush pipe body 1's the inner wall, play preliminary amortization's effect, through all be equipped with through-hole 12 on intake pipe 6 and outlet duct 7, gas can exchange, thereby reduce speed and the flow that tail gas rushes out the export and reach the mesh of amortization, the sound wave that intake pipe 6 produced produces resonance around it, and then drive hush board 10 motion, make hush board 10 drive connecting rod one 18 and the motion of connecting rod two 19, and then connecting rod one 18 and connecting rod two 19 drive slider one 15 and the motion of slider two 16, make slider one 15 and slider two 16 move in spout 14, and then extrusion spring one 17, make hush board 10 play the effect of buffering, further bounce back the sound wave, play the effect of amortization.

To sum up, with the aid of the above technical scheme, the utility model discloses a be equipped with intake pipe 6 in one side of hush pipe body 1, can be used for producing constructive or destructive reflected wave, waste gas is advanced to get into in intake pipe 6, bounce back from hush pipe body 1's inner wall amortization cotton 11, because muffler internal pressure is greater than outdoor air pressure, so the tail gas that comes out from intake pipe 6 rear end enters into outlet duct 7 through-hole 12, thereby reduce the speed and the flow that tail gas rushed out the export and reach the mesh of amortization, through setting up buffer 9, and then form the resonance chamber between front end cover 2 and baffle 4, the efficiency of amortization has been improved.

Through the above detailed description, the person skilled in the art can easily realize the present invention. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.

Claims

1. A high-efficiency silencer is characterized by comprising a silencing pipe body (1), wherein a front end cover (2) is arranged at one end of the silencing pipe body (1), a rear end cover (3) is arranged at the other end of the silencing pipe body (1), a first partition plate (4) and a second partition plate (5) are respectively arranged inside the silencing pipe body (1), an air inlet pipe (6) is inserted into the front end cover (2), one end of the air inlet pipe (6) penetrates through the first partition plate (4) and extends to one side of the second partition plate (5), an air outlet pipe (7) is inserted into the rear end cover (3), one end of the air outlet pipe (7) penetrates through the second partition plate (5) and extends to one side of the first partition plate (4), fixing frames (8) are arranged on two sides of the air inlet pipe (6) and are positioned between the front end cover (2) and the first partition plate (4), one side of the fixing frame (8) is provided with a buffer device (9), and one side of the buffer device (9) is provided with a sound-absorbing plate (10).

2. The high-efficiency silencer according to claim 1, wherein the silencing cotton (11) is filled on the inner wall of the silencing pipe body (1), and the silencing plate (10) is of an arc structure.

3. The efficient silencer according to claim 1, wherein a plurality of through holes (12) are formed in the air inlet pipe (6) and the air outlet pipe (7) and located between the first partition plate (4) and the second partition plate (5).

4. A high efficiency silencer according to claim 1, wherein the joints between said inlet pipe (6) and said first partition plate (4) and between said outlet pipe (7) and said second partition plate (5) are provided with sealing rings (13).

5. A high-efficiency silencer according to claim 1, wherein the buffering device (9) comprises a sliding groove (14), the sliding groove (14) is located on one side of the fixing frame (8), a first sliding block (15) and a second sliding block (16) which are matched with the sliding groove (14) are arranged on the inner side of the sliding groove (14), a first spring (17) is arranged between the first sliding block (15) and the second sliding block (16) and located inside the sliding groove (14), the first sliding block (15) and the silencing plate (10) are movably connected through a first connecting rod (18), the second sliding block (16) and the silencing plate (10) are movably connected through a second connecting rod (19), and the first connecting rod (18) and the second connecting rod (19) are both sleeved with a second spring (20).

6. An efficient silencer according to claim 5, characterized in that the connection between the first connecting rod (18) and the first sliding block (15) and the connection between the second connecting rod (19) and the second sliding block (16) are connected by a rotating shaft (21).