CN218093351U - Silencer cover - Google Patents

Abstract

The utility model relates to a muffler lid relates to muffler technical field, and it includes lid body, division board, connection body, first amortization subassembly and second amortization subassembly. The utility model provides a muffler lid is through setting up amortization chamber, amortization passageway, first amortization subassembly and second amortization subassembly isotructure, the air current gets into after the muffler noise elimination first cavity gets into afterwards the amortization passageway and first amortization subassembly department carries out amortization once more, gets into afterwards the second cavity and second amortization subassembly department carries out amortization once more, later discharges the lid body, above-mentioned in-process, through twice amortization of muffler lid can further reduce the noise, the practical application of being convenient for.

Description

Silencer cover

Technical Field

The utility model relates to a muffler technical field especially relates to a muffler lid.

Background

The household refrigerator appliance brings convenience to people and also brings trouble to people, and the influence of the noise of the refrigerator unit equipment on the environment and a using room is paid attention to. Among them, a compressor built in a refrigerator is one of the main noise sources, and a muffler is generally added to a pipe of the compressor in order to reduce noise.

Patent CN107642481A discloses a refrigerator compressor silencer, the refrigerator compressor silencer related to this invention is novel in design, simple in structure, can effectively eliminate the noise inside the compressor, and is good in silencing effect, and effectively solves the problem that the amplitude is too large due to uneven acting force of turbulent air flow on the inner side surface of a silencing pipe section, so that the silencing effect is better achieved, the resonance condition of an exhaust pipe and the compressor or other components is avoided, the silencer not only can eliminate noise, and reduce vibration, but also can obviously increase the refrigerating capacity of the compressor, the market prospect is excellent, and the market potential is huge.

However, current muffler lid can not further amortization, for this reason, the utility model provides a muffler lid.

SUMMERY OF THE UTILITY MODEL

To prior art's situation, the utility model provides a muffler lid can effectively solve the problem that the muffler lid can not further amortization in the prior art.

The utility model discloses a following technical scheme realizes:

the utility model provides a muffler lid, include:

the cover body, this internal amortization chamber that runs through of lid body that is formed with of lid.

The partition plate is arranged in the silencing cavity and used for dividing the silencing cavity into a first cavity and a second cavity, the first cavity is located below the second cavity, and a plurality of silencing channels are formed in the partition plate.

The connecting body is arranged at one end, deviating from the second cavity, of the cover body in a sealing mode, a connecting channel communicated with the first cavity is formed in the connecting body, and the connecting body is used for being communicated with the silencer in a sealing mode.

The first silencing component is arranged on at least one silencing channel.

And the second silencing assembly is arranged in the second cavity.

Furthermore, the first silencing assembly comprises a connecting piece and a silencing piece which are connected, wherein a communicating channel is formed in the connecting piece, a plurality of silencing holes are formed in the silencing piece, the connecting piece is detachably connected with one end of the silencing channel, and the silencing channel is communicated with the silencing holes through the communicating channel.

Further, the connecting piece is in threaded connection with one end of the silencing channel.

Furthermore, the connecting piece is inserted with one end of the silencing channel.

Further, the noise damping member is formed in a ball-like shape and made of a foam material.

Furthermore, the connecting body and the cover body are of an integrally formed structure.

Furthermore, the second silencing assembly comprises a support frame and a silencing plate, the support frame is arranged on the inner wall of the cover body and corresponds to the second cavity, and the silencing plate is arranged on the support frame.

Further, the support frame is including locating two support bodies that cover body inner wall and relative distribution, be formed with two at least joint spaces between two support bodies, at least one the joint space is used for the joint the acoustical panel.

Furthermore, the acoustical panel includes first otter board, cystosepiment and the second otter board of laminating connection in proper order.

Furthermore, the inner wall of the cover body corresponds to the filter screen arranged in the first cavity.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model provides a muffler lid is through setting up amortization chamber, amortization passageway, first amortization subassembly and second amortization subassembly isotructure, the air current gets into after the muffler noise elimination first cavity gets into afterwards the amortization passageway and first amortization subassembly department carries out amortization once more, gets into afterwards the second cavity and second amortization subassembly department carries out amortization once more, later discharges the lid body, above-mentioned in-process, through twice amortization of muffler lid can further reduce the noise, the practical application of being convenient for.

Drawings

Fig. 1 is a schematic perspective view of a muffler cover according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a muffler cover according to an embodiment of the present invention;

FIG. 3 is a schematic top view of the structure shown in FIG. 1;

FIG. 4 isbase:Sub>A schematic cross-sectional view taken along the line A-A in FIG. 3;

FIG. 5 is a partially enlarged view of the portion B in FIG. 4;

fig. 6 is a schematic cross-sectional view along the direction D-D in fig. 5.

Reference numerals are as follows: 1. a cover body; 11. a sound-deadening chamber; 111. a first cavity; 112. a second cavity; 12. a filter screen; 2. a partition plate; 21. a sound deadening passage; 3. a connecting body; 31. a connecting channel; 4. a first noise reduction assembly; 41. a connecting member; 411. a communication channel; 42. a noise reducing member; 421. a silencing hole; 5. a second noise reduction assembly; 51. a support frame; 511. clamping and connecting the space; 52. an acoustical panel.

Detailed Description

The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part of this application and are used for illustration purposes and not for limitation of the invention.

As shown in fig. 1 to 6, a muffler cover includes:

the cover comprises a cover body 1, wherein a silencing cavity 11 penetrating through the cover body 1 is formed in the cover body 1.

The partition plate 2 is arranged in the silencing cavity 11 and used for partitioning the interior of the silencing cavity 11 into a first cavity 111 and a second cavity 112, the first cavity 111 is located below the second cavity 112, and the partition plate 2 is provided with a plurality of silencing channels 21.

The connecting body 3 is arranged at one end, deviating from the second cavity 112, of the cover body 1 in a sealing mode, the connecting body 3 is provided with a connecting channel 31 communicated with the first cavity 111, and the connecting body 3 is used for being communicated with the silencer in a sealing mode.

First sound-deadening assembly 4, at least one of the sound-deadening passages 21 is provided with the first sound-deadening assembly 4.

And the second silencing component 5 is arranged in the second cavity 112, and the second silencing component 5 is arranged in the second cavity 112.

The utility model provides a muffler lid is through setting up sound-absorbing cavity 11, amortization passageway 21, first amortization subassembly 4 and second amortization subassembly 5 isotructures, the air current enters after the muffler noise elimination first cavity 111 gets into afterwards amortization passageway 21 and first amortization subassembly 4 department carries out the amortization once more, gets into afterwards second cavity 112 and second amortization subassembly 5 department carries out the amortization again, later discharges lid body 1, above-mentioned in-process, through twice amortization of muffler lid can further reduce the noise, the practical application of being convenient for.

The first noise reduction component 4 and the second noise reduction component 5 may be structures made of sound absorption materials such as foam or sound absorption cotton; the first silencing component 4 can be arranged at the port or inside of the silencing channel 21, the mounting modes can further reduce noise, and the mounting position of the first silencing component 4 can be set according to actual conditions; the second sound absorbing unit 5 is preferably a plate-shaped sound absorbing structure to facilitate mounting and dismounting in practical applications.

In practical application, the shape and size of the connecting body 3 can be designed and manufactured according to actual needs, so that silencers with different specifications can be connected.

In order to further reduce noise and facilitate the assembly and disassembly of the first muffling assembly 4, the first muffling assembly 4 comprises a connecting piece 41 and a muffling piece 42 which are connected, wherein the connecting piece 41 is provided with a communicating channel 411, the muffling piece 42 is provided with a plurality of muffling holes 421, the connecting piece 41 is detachably connected with one end of the muffling channel 21, and the muffling channel 21 is communicated with the muffling holes 421 through the communicating channel 411. The connecting member 41 is screwed with one end of the sound deadening channel 21. The connector 41 is inserted into one end of the sound deadening channel 21. The design is convenient for the assembly and disassembly of the first silencing component 4, the silencing passage 21 can be a linear or arc passage, the connecting piece 41 is arranged at the port of the silencing passage 21, and the silencing piece 42 is positioned outside the port of the silencing passage 21.

In order to be able to further reduce noise, the sound-damping element 42 is ball-like and is made of a foam material. The design makes the sound absorption effect better.

In order to facilitate the production, manufacture and application of the cover body of the silencer, the connecting body 3 and the cover body 1 are of an integrally formed structure. The design is convenient for the production and the manufacture of the cover body of the silencer and is convenient for practical application.

In order to further reduce noise and facilitate the assembly and disassembly of the second muffler assembly 5, the second muffler assembly 5 includes a support frame 51 and a muffler plate 52, the support frame 51 is disposed on the inner wall of the cover body 1 and corresponds to the inside of the second cavity 112, and the muffler plate 52 is disposed on the support frame 51. The support frame 51 is including locating two support bodies that cover 1 inner wall and relative distribution, be formed with two at least joint spaces 511 between two support bodies, at least one joint space 511 is used for the joint acoustical panel 52. The sound attenuation plate 52 comprises a first screen plate, a foam plate and a second screen plate which are sequentially attached and connected. In practical applications, the clamping space 511 facing away from the first cavity 111 may be used to provide an acoustical panel 52 or a fender, which is designed to further reduce noise; deviating from first cavity 111 joint space 511 can be used to set up the guard plate, and the design can effectively prevent dust and prevent mud like this, the practical application of being convenient for.

In order to further reduce noise and prevent the noise reduction channel 21 from being blocked, a filter screen 12 is disposed on the inner wall of the cover body 1 and corresponding to the first cavity 111. The airflow entering the first cavity 111 can be filtered by the filter 12 to avoid the blockage of the sound deadening channel 21, so as to further reduce the noise.

Compared with the prior art, the utility model provides a muffler lid has following beneficial effect:

the utility model provides a muffler lid is through setting up sound-absorbing cavity 11, amortization passageway 21, first amortization subassembly 4 and second amortization subassembly 5 isotructures, the air current enters after the muffler noise elimination first cavity 111 gets into afterwards amortization passageway 21 and first amortization subassembly 4 department carries out the amortization once more, gets into afterwards second cavity 112 and second amortization subassembly 5 department carries out the amortization again, later discharges lid body 1, above-mentioned in-process, through twice amortization of muffler lid can further reduce the noise, the practical application of being convenient for.

The above is only the preferred embodiment of the present invention, it is not right the limitation of the present invention in any form, all the basis the present invention discloses any simple modification, equivalent change of the technical entity to the above embodiments all fall into the protection scope of the present invention.

Claims (10)

1. A muffler cover, comprising:

the cover comprises a cover body, wherein a silencing cavity penetrating through the cover body is formed in the cover body;

the partition plate is arranged in the silencing cavity and used for dividing the silencing cavity into a first cavity and a second cavity, the first cavity is positioned below the second cavity, and the partition plate is provided with a plurality of silencing channels;

the connecting body is arranged at one end of the cover body, which is far away from the second cavity, in a sealing manner, the connecting body is provided with a connecting channel communicated with the first cavity, and the connecting body is used for being communicated with the silencer in a sealing manner;

the first silencing component is arranged on at least one silencing channel;

and the second silencing assembly is arranged in the second cavity.

2. The muffler cover according to claim 1, wherein the first muffling assembly comprises a connecting member and a muffling member that are connected, the connecting member being formed with a communicating channel, the muffling member being formed with a plurality of muffling holes, the connecting member being detachably connected to one end of the muffling channel, the muffling channel being communicated with the muffling holes via the communicating channel.

3. The muffler cover according to claim 2, wherein the connector is screwed with one end of the muffling passage.

4. The muffler cover according to claim 2, wherein the connector is inserted into one end of the muffler passage.

5. The muffler cover according to claim 2, wherein the muffler element is spheroidal and made of a foam material.

6. The muffler cover according to claim 2, wherein the connecting body and the cover body are of an integrally formed structure.

7. The muffler cover of claim 2, wherein the second muffler assembly includes a support frame and a muffler plate, the support frame is disposed on the inner wall of the cover body and corresponds to the second chamber, and the muffler plate is disposed on the support frame.

8. The muffler cover body according to claim 7, wherein the support frame includes two frame bodies disposed on an inner wall of the cover body and distributed oppositely, at least two clamping spaces are formed between the two frame bodies, and at least one of the clamping spaces is used for clamping the muffler plate.

9. The muffler cover as defined in claim 8, wherein the muffler plate comprises a first mesh plate, a foam plate and a second mesh plate which are attached in sequence.

10. The muffler cover according to claim 9, wherein a filter screen is disposed on an inner wall of the cover body corresponding to the first cavity.

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