CN212874035U

CN212874035U - Porous silencer

Info

Publication number: CN212874035U
Application number: CN202022083148.XU
Authority: CN
Inventors: 袁忠华; 沈伟
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: 2021-04-02
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a porous muffler, which comprises a housin, the inside fixed mounting of casing has a plurality of connecting pipes, the inside of casing just is located the outside packing of connecting pipe has the sound sponge layer of inhaling, amortization sponge board one is installed at the top of connecting pipe, amortization sponge board two is installed at the top of amortization sponge board one, the bottom fixed mounting of connecting pipe has the joint, just the bottom of joint extends to the bottom below of casing, the joint includes dustcoat and connecting block, just the connecting block is located the inside of dustcoat, the inside symmetry of connecting block is run through and has been seted up a plurality of hole grooves, just the top of hole groove respectively with the bottom UNICOM of connecting pipe, the opening has been seted up at the top of casing.

Description

Porous silencer

Technical Field

The utility model relates to a amortization technical field particularly, relates to a porous muffler.

Background

The silencer is a device for preventing sound from transmitting and allowing airflow to pass through, is an important measure for eliminating aerodynamic noise, and is a device for reducing noise and installed on an airflow passage of aerodynamic equipment or in an air inlet and exhaust system; when the existing silencer is used on an aerodynamic device, a better silencing effect cannot be achieved, so that normal use of the device is influenced, and the use requirements of people cannot be better met.

In conclusion, how to enable the silencer to achieve a better silencing effect when the silencer is used on aerodynamic equipment is a technical problem which is urgently needed to be solved at present.

SUMMERY OF THE UTILITY MODEL

The technical task of the utility model is not enough more than to, provide a porous muffler, solve how to make the muffler reach better noise cancelling effect problem when carrying out the last use of aerodynamic device.

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

the utility model provides a porous muffler, includes the casing, the inside fixed mounting of casing has a plurality of connecting pipes, the inside of casing just is located the outside packing of connecting pipe has the sound sponge layer of inhaling, amortization sponge board one is installed at the top of connecting pipe, amortization sponge board two is installed at the top of amortization sponge board one, the bottom fixed mounting of connecting pipe has the joint, just the bottom that connects extends to the bottom below of casing, connect and include dustcoat and connecting block, just the connecting block is located the inside of dustcoat, the inside symmetry of connecting block runs through and has seted up a plurality of hole grooves, just the top in hole groove respectively with the bottom UNICOM of connecting pipe, the opening has been seted up at the top of casing.

Preferably, the bottom end of the connecting pipe is of a regular trapezoid structure, and the diameter of the bottom of the connecting pipe is larger than that of the top of the connecting pipe.

Preferably, a first dust grid net is arranged in the opening.

Preferably, the joint is of a convex structure, and the outer side edge of the top end of the joint is fixedly connected with the bottom end of the inner side edge of the shell.

Preferably, the bottom of the outer cover is of an open structure, and a second dust grid net is arranged at the bottom of the connecting block inside the open structure of the outer cover.

Preferably, the outer side edges of the first silencing sponge plate and the second silencing sponge plate are fixedly connected with the inner side edge of the shell.

Preferably, the casing is composed of a casing and a sound absorption interlayer, and the casing is fixedly connected with the sound absorption interlayer.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. through the connecting pipe with amortization sponge board one amortization sponge board two and the connecting block with the interact in hole groove can carry out better amortization to aerodynamic force equipment to be convenient for can be better satisfy people's user demand.

2. Through the utility model discloses fine solution how can make the muffler reach better noise cancelling effect problem when carrying out the use on the air power equipment for the muffler can reach better noise cancelling effect when carrying out the use on the air power equipment, thereby ensures the normal use of equipment, and then be convenient for can be better satisfy people's user demand.

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 diagram according to an embodiment of the present invention;

fig. 2 is a schematic view of a joint structure according to an embodiment of the present invention.

In the figure:

1. a housing; 2. a connecting pipe; 3. a sound absorbing sponge layer; 4. a first silencing sponge plate; 5. a second sound-deadening sponge plate; 6. a joint; 7. a housing; 8. connecting blocks; 9. a hole groove; 10. an opening; 11. a first dustproof grid net; 12. a second dustproof grid net; 13. a housing; 14. sound absorbing interlayer.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

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

Embodiment one, as shown in fig. 1-2, a porous muffler according to an embodiment of the present invention includes a housing 1, a plurality of connecting pipes 2 are fixedly arranged inside the shell 1, a sound-absorbing sponge layer 3 is filled inside the shell 1 and positioned outside the connecting pipes 2, a first silencing sponge plate 4 is arranged at the top of the connecting pipe 2, a second silencing sponge plate 5 is arranged at the top of the first silencing sponge plate 4, a joint 6 is fixedly arranged at the bottom end of the connecting pipe 2, and the bottom end of the joint 6 extends to the lower part of the bottom of the shell 1, the joint 6 comprises an outer cover 7 and a connecting block 8, the connecting block 8 is positioned inside the outer cover 7, a plurality of holes 9 are symmetrically arranged inside the connecting block 8 in a penetrating way, the top end of the hole groove 9 is respectively communicated with the bottom end of the connecting pipe 2, and the top of the shell 1 is provided with an opening 10; through connecting pipe 2 with amortization sponge board one 4 amortization sponge board two 5 and connecting block 8 with the interact of hole groove 9 can carry out better amortization to aerodynamic force equipment to be convenient for can be better satisfy people's user demand.

In the second embodiment, as shown in fig. 1, the bottom end of the connecting pipe 2 is of a regular trapezoid structure, and the diameter of the bottom of the connecting pipe 2 is larger than the diameter of the top of the connecting pipe 2; can reach better noise cancelling effect to be convenient for can be better satisfy people's user demand.

In the third embodiment, as shown in fig. 1, a first dust grid net 11 is installed inside the opening 10; through dustproof grille net 11 can reach good dustproof effect when using to be convenient for can be better satisfy people's user demand.

In the fourth embodiment, as shown in fig. 1 and 2, the joint 6 is of a convex structure, and the outer side of the top end of the joint 6 is fixedly connected with the bottom end of the inner side of the housing 1; can reach better stability to be convenient for can reach better noise cancelling effect, and then be convenient for can be better satisfy people's user demand.

In the fifth embodiment, as shown in fig. 2, the bottom of the outer cover 7 is an open structure, and a second dust grid 12 is installed inside the open structure of the outer cover 7 and at the bottom of the connecting block 8; through dustproof grille net two 12 can reach good dustproof effect when using to be convenient for can be better satisfy people's user demand.

In a sixth embodiment, as shown in fig. 1, the outer side edges of the first silencing sponge plate 4 and the second silencing sponge plate 5 are both fixedly connected with the inner side edge of the shell 1; can make to reach good stability between the structure to be convenient for can reach better noise cancelling effect, and then be convenient for can be better satisfy people's user demand.

Seventh, as shown in fig. 1, the casing 1 is composed of an outer shell 13 and a sound-absorbing interlayer 14, and the outer shell 13 is fixedly connected with the sound-absorbing interlayer 14; can reach better noise cancelling effect to be convenient for can be better satisfy people's user demand.

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, one end of the joint 6, which is far away from the shell 1, is fixedly installed on the aerodynamic equipment, and through interaction of the connecting pipe 2, the first silencing sponge plate 4, the second silencing sponge plate 5 and the connecting block 8 with the hole groove 9, better silencing effect can be achieved on the aerodynamic equipment; the general makes the muffler when carrying out the use on the aerodynamic device, can reach better noise cancelling effect to ensure the normal use of equipment, and then be convenient for can be better satisfy people's user demand.

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. The porous silencer is characterized by comprising a shell (1), wherein a plurality of connecting pipes (2) are fixedly arranged inside the shell (1), the connecting pipes (2) are filled with sound-absorbing sponge layers (3) inside the shell (1) and located outside the connecting pipes (2), a first silencing sponge plate (4) is arranged at the top of each connecting pipe (2), a second silencing sponge plate (5) is arranged at the top of the first silencing sponge plate (4), a joint (6) is fixedly arranged at the bottom end of each connecting pipe (2), the bottom end of the joint (6) extends to the bottom of the shell (1) below, each joint (6) comprises an outer cover (7) and a connecting block (8), the connecting block (8) is located inside the outer cover (7), a plurality of hole grooves (9) are formed in the inner symmetry of the connecting block (8) in a penetrating manner, and the top ends of the hole grooves (9) are respectively communicated with the bottom ends of the connecting pipes (2), the top of the shell (1) is provided with an opening (10).

2. The porous silencer according to claim 1, wherein the bottom end of the connecting pipe (2) is of a regular trapezoid structure, and the diameter of the bottom of the connecting pipe (2) is larger than the diameter of the top of the connecting pipe (2).

3. Porous silencer according to claim 1, characterized in that inside said opening (10) is mounted a first dust grid (11).

4. The porous silencer according to claim 1, wherein the joint (6) is of a convex structure, and the top and outer sides of the joint (6) are fixedly connected with the inner sides and the bottom of the shell (1).

5. The porous silencer according to claim 1, characterized in that the bottom of the outer cover (7) is an open structure, and a second dust grid (12) is installed inside the open structure of the outer cover (7) at the bottom of the connecting block (8).

6. The porous silencer according to claim 1, wherein the outer side edges of the first silencing sponge (4) and the second silencing sponge (5) are fixedly connected with the inner side edge of the shell (1).

7. Porous silencer according to claim 1, characterized in that the casing (1) is formed by a casing (13) and a sound-absorbing barrier (14), and the casing (13) is fixedly connected to the sound-absorbing barrier (14).