CN219263533U

CN219263533U - Heat insulation pipeline type muffler

Info

Publication number: CN219263533U
Application number: CN202320224803.XU
Authority: CN
Inventors: 许兴华; 王航
Original assignee: Guangdong Kelida Fan Co ltd
Current assignee: Guangdong Kelida Fan Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-06-27
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses a heat-insulating pipeline type muffler, which relates to the technical field of muffler devices and aims to solve the technical problems that in the prior art, the internal circulation of the muffler is not smooth, if the air flow is too large, the internal expansion of the muffler is easy to cause or the air flow rebound occurs, and the normal use of the muffler is influenced; the left side of the muffler body is fixedly connected with an air inlet pipe, the right side of the muffler body is fixedly connected with an air outlet pipe, the outer sides of the air inlet pipe and the air outlet pipe are fixedly connected with connecting flanges, and the outer side of the muffler body is fixedly provided with a first limiting ring; the muffler can ensure the normal circulation of air flow and sound waves in the muffler body through the multiple silencing assemblies, and avoids the internal expansion of the muffler body or the rebound of air flow if the air flow is too large, so that the muffler can be normally used.

Description

Heat insulation pipeline type muffler

Technical Field

The utility model belongs to the technical field of muffler devices, and particularly relates to a heat-insulating pipeline muffler.

Background

Nowadays, pipeline type silencers can be connected into pipelines for use in places such as automobiles, where pipelines are arranged and silencing is needed, but most pipeline type silencers are used close to equipment, high temperature generated by the equipment can affect the silencers, and most of the silencers are complex in internal structure and not smooth in internal gas circulation.

At present, the utility model of patent number CN201621382556.2 discloses a pipeline type muffler device, including air inlet, shell, first noise elimination filter disc, air current passageway, second noise elimination filter disc, filter disc outer lane, filter disc inner panel and adsorption baffle, the left end connection of shell is settled there is the air inlet, and the inner wall connection of shell is settled there is interior storehouse body, interior storehouse body's inside is run through and is settled first noise elimination filter disc and second noise elimination filter disc, the region between the adsorption wallboard is the air current passageway, interior storehouse body's inside is run through and is connected with export and export down, first noise elimination filter disc includes filter disc outer lane, filter disc inner panel and air current hole, second noise elimination filter disc includes filter disc outer lane, filter disc inner panel and adsorption baffle. The pipeline type muffler device is designed by adopting a pipeline type structure, noise reduction treatment of air flow is carried out by arranging a plurality of filter disc structures in the pipeline, and then the whole muffling process is realized by sequentially passing through an outlet from an air flow inlet end; however, the internal circulation of the muffler in the proposal is not smooth, if the air flow is too large, the internal expansion of the muffler is easy to cause or the air flow rebound occurs, which affects the normal use of the muffler.

Therefore, in order to solve the problem that the internal circulation of the muffler is not smooth, a solution is needed to improve the usage scenario of the muffler.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a heat-insulating pipeline type muffler, which aims to solve the technical problems that the internal circulation of the muffler is not smooth in the prior art, if the air flow is too large, the internal expansion of the muffler is easy to cause or the air flow rebound occurs, and the normal use of the muffler is influenced.

(2) Technical proposal

In order to solve the technical problems, the utility model provides a heat-insulating pipeline type muffler, which comprises a muffler body, a heat-insulating protection assembly arranged on the outer side of the muffler body, and a multiple silencing assembly arranged inside the muffler body; the silencer comprises a silencer body, and is characterized in that an air inlet pipe is fixedly connected to the left side of the silencer body, an air outlet pipe is fixedly connected to the right side of the silencer body, a connecting flange is fixedly connected to the outer side of the air outlet pipe, a first limiting ring is fixedly installed on the outer side of the silencer body, a second limiting ring is arranged on the right side of the first limiting ring, and a protective layer is arranged inside the silencer body.

When the muffler of the technical scheme is used, the heat insulation protection assembly is firstly arranged on the outer side of the muffler body, so that the heat insulation protection assembly can be clamped on the inner sides of the first limiting ring and the second limiting ring, and then the connecting flanges on the left side and the right side of the muffler body are mutually connected with an external exhaust pipeline, so that air flow can enter the muffler body from the air inlet pipe on the left side of the muffler body, multiple noise reduction assemblies in the muffler body can eliminate noise, and the air flow after noise elimination flows out from the air outlet pipe, so that the muffler effect is achieved; through the setting of multiple amortization subassembly, can guarantee the inside air current of silencer body and the normal circulation of sound wave, avoid if the air current is too big to cause the inside inflation of silencer body or take place the air current rebound easily for the silencer can normal use, through the setting of thermal-insulated protective component, can be used for isolated heat, also can get up the silencer body parcel, protect the silencer body, avoid outside effort direct action on the silencer, thereby avoid the silencer damage.

Further, thermal-insulated protective component includes first protecting crust, first protecting crust downside is equipped with the second protecting crust, first protecting crust with second protecting crust left and right sides fixedly connected with stopper, through the setting of stopper, can realize the location installation of first protecting crust and second protecting crust, it is very convenient to install.

Furthermore, evenly distributed anti-slip grooves are formed in the surfaces of the first protective shell and the second protective shell, first connecting blocks are fixedly arranged on the front side and the rear side of the first protective shell, and anti-slip effects can be achieved through the arrangement of the anti-slip grooves, so that the first protective shell is convenient to grasp.

Furthermore, the clamping groove is formed in the lower side of the first connecting block, the second connecting blocks corresponding to the first connecting block are fixedly connected to the front side and the rear side of the second protective shell, and the first connecting block and the second connecting block can be connected with each other through the arrangement of the clamping groove and can be fixed through bolts.

Furthermore, the first protective shell and the inner side of the second protective shell are fixedly connected with a heat insulation layer, a bump is fixedly arranged on the inner side of the heat insulation layer, a heat conducting fin is fixedly arranged on the outer side of the bump, and heat can be isolated through the arrangement of the heat insulation layer.

Still further, multiple noise abatement subassembly includes the noise abatement barrier, the noise abatement barrier inboard is equipped with inhales the sound cotton, through the setting of noise abatement barrier and inhaling the sound cotton, can be used for the noise abatement, plays the effect of noise abatement.

Furthermore, the first sound-absorbing strips which are uniformly distributed are fixedly arranged on the inner side of the protective layer, the second sound-absorbing strips are arranged on the inner side of the first sound-absorbing strips, and redundant noise can be eliminated through the arrangement of the first sound-absorbing strips and the second sound-absorbing strips.

(3) Advantageous effects

Compared with the prior art, the utility model has the following beneficial effects: this silencer passes through the setting of multiple amortization subassembly, can guarantee the inside air current of silencer body and the normal circulation of sound wave, avoids if the air current is too big to cause the inside inflation of silencer body or take place the air current rebound easily for the silencer can normal use, through the setting of thermal-insulated protection subassembly, can be used for the isolated heat, also can wrap up the silencer body, protects the silencer body, avoids outside effort direct action on the silencer, thereby avoids the silencer damage.

Drawings

FIG. 1 is a schematic view of a muffler according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a thermal insulation assembly according to an embodiment of the muffler of the present utility model;

FIG. 3 is a schematic view showing the structure of a muffler body according to an embodiment of the present utility model;

fig. 4 is a schematic view of a structure of a multiple muffler assembly according to an embodiment of the present utility model.

The marks in the drawings are: 1. a muffler body; 2. a thermal shield assembly; 3. an air inlet pipe; 4. an air outlet pipe; 5. a connecting flange; 6. a first stop collar; 7. a second limiting ring; 8. a multiple muffler assembly; 9. a protective layer; 10. a first sound-absorbing strip; 11. a second sound-absorbing strip; 12. a first protective shell; 13. a second protective shell; 14. a limiting block; 15. an anti-skid groove; 16. a first connection block; 17. a second connection block; 18. a clamping groove; 19. a thermal insulation layer; 20. a bump; 21. a heat conductive sheet; 22. a sound attenuation barrier; 23. sound absorbing cotton.

Detailed Description

The utility model provides a heat-insulating pipeline type muffler, the structural schematic diagram of which is shown in figure 1, the muffler comprises a muffler body 1, a heat-insulating protection component 2 arranged on the outer side of the muffler body 1, and a multiple silencing component 8 arranged in the muffler body 1; the silencer comprises a silencer body 1, and is characterized in that an air inlet pipe 3 is fixedly connected to the left side of the silencer body 1, an air outlet pipe 4 is fixedly connected to the right side of the silencer body 1, a connecting flange 5 is fixedly connected to the outer side of the air outlet pipe 3, a first limiting ring 6 is fixedly installed on the outer side of the silencer body 1, a second limiting ring 7 is arranged on the right side of the first limiting ring 6, a protective layer 9 is arranged inside the silencer body 1, first sound absorbing strips 10 are uniformly distributed on the inner side of the protective layer 9, and second sound absorbing strips 11 are arranged on the inner side of the first sound absorbing strips 10.

For the present embodiment, the number and distribution of the units of the first sound-absorbing strip 10 may be set as needed.

The heat insulation protection assembly 2 comprises a first protection shell 12, a second protection shell 13 is arranged on the lower side of the first protection shell 12, a limiting block 14 is fixedly connected to the left side and the right side of the first protection shell 12 and the second protection shell 13, anti-slip grooves 15 which are uniformly distributed are formed in the surfaces of the first protection shell 12 and the second protection shell 13, first connecting blocks 16 are fixedly arranged on the front side and the rear side of the first protection shell 12, clamping grooves 18 are formed in the lower side of the first connecting blocks 16, second connecting blocks 17 corresponding to the first connecting blocks 16 are fixedly connected to the front side and the rear side of the second protection shell 13, a heat insulation layer 19 is fixedly connected to the inner side of the first protection shell 12, a convex block 20 is fixedly arranged on the inner side of the heat insulation layer 19, a heat conducting plate 21 is fixedly arranged on the outer side of the convex block 20, the multiple silencing assembly 8 comprises a silencing barrier 22, and sound absorbing cotton 23 is arranged on the inner side of the silencing barrier 22. The number and distribution of the units of the cleat 15 may be set as desired.

The structure of the heat insulation protection component of the muffler is shown in fig. 2, the structure of the muffler body is shown in fig. 3, and the structure of the multiple muffler components is shown in fig. 4.

It should be noted here that the thickness of the heat insulating layer 19 may be set as needed.

When the muffler of this technical scheme is used, install the outside at muffler body 1 with thermal-insulated protection component 2 earlier, make it can block the inboard at first spacing ring 6 and second spacing ring 7, then link together flange 5 and outside exhaust duct of muffler body 1 left and right sides again for the air current can get into muffler body 1 inside from muffler body 1 left intake pipe 3, make the inside multiple amortization subassembly 8 of muffler body 1 can the noise abatement, the air current after the noise abatement is circulated out from outlet duct 4 again, thereby play the effect of noise elimination.

Claims

1. The heat-insulating pipeline type muffler comprises a muffler body, a heat-insulating protection component and multiple silencing components, wherein the heat-insulating protection component is installed on the outer side of the muffler body; the silencer is characterized in that an air inlet pipe is fixedly connected to the left side of the silencer body, an air outlet pipe is fixedly connected to the right side of the silencer body, a connecting flange is fixedly connected to the outer side of the air outlet pipe, a first limiting ring is fixedly installed on the outer side of the silencer body, a second limiting ring is arranged on the right side of the first limiting ring, and a protective layer is arranged inside the silencer body.

2. The heat insulation pipeline type muffler according to claim 1, wherein the heat insulation protection assembly comprises a first protection shell, a second protection shell is arranged on the lower side of the first protection shell, and limiting blocks are fixedly connected to the left side and the right side of the first protection shell and the second protection shell.

3. The heat insulation pipeline type muffler according to claim 2, wherein the first protecting shell and the second protecting shell are provided with anti-slip grooves which are uniformly distributed on the surfaces, and the front side and the rear side of the first protecting shell are fixedly provided with first connecting blocks.

4. The heat insulation pipe type muffler according to claim 3, wherein a clamping groove is formed in the lower side of the first connecting block, and the front side and the rear side of the second protecting shell are fixedly connected with second connecting blocks corresponding to the first connecting blocks.

5. The heat insulation pipe type muffler according to claim 4, wherein the inner sides of the first protective shell and the second protective shell are fixedly connected with a heat insulation layer, a bump is fixedly arranged on the inner side of the heat insulation layer, and a heat conducting fin is fixedly arranged on the outer side of the bump.

6. The insulated pipe muffler according to claim 5, wherein the multiple muffler assembly includes a muffler barrier having sound absorbing cotton disposed inside.

7. The heat insulation pipe type muffler according to claim 6, wherein first sound absorbing strips which are uniformly distributed are fixedly installed on the inner side of the protective layer, and second sound absorbing strips are arranged on the inner side of the first sound absorbing strips.