CN217558500U - Horizontal split type muffler of breathing in of two-chamber and compressor - Google Patents
Horizontal split type muffler of breathing in of two-chamber and compressor Download PDFInfo
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- CN217558500U CN217558500U CN202221603561.7U CN202221603561U CN217558500U CN 217558500 U CN217558500 U CN 217558500U CN 202221603561 U CN202221603561 U CN 202221603561U CN 217558500 U CN217558500 U CN 217558500U
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Abstract
The utility model provides a horizontal split type muffler of breathing in of two-chamber and compressor relates to compressor muffler technical field. The double-cavity horizontal split type air suction silencer comprises an inner cover body, an outer cover body, a partition plate, an air suction pipe and an air outlet pipe. The utility model discloses a horizontal split type air suction muffler of two-chamber, is applied to the compressor, and interior lid and enclosing body are horizontal split type to be arranged, and the sealed cavity that the baffle formed with the lock of interior lid and enclosing body is divided into two cavities, an expansion chamber and a resonant cavity; the volume of the expansion cavity can be maximized, and the medium-frequency and high-frequency noises are reduced; the frequency selectivity of the resonant cavity is strong, the parameters of the volume, the pipe diameter and the like of the resonant cavity are adjusted to ensure that the silencing frequency of the resonant cavity is close to the 800Hz frequency band, meanwhile, the volume of only one resonant cavity can be maximized, and the silencing effect of the 800Hz frequency band is best; meanwhile, the internal pipeline is simple, the total length of the pipeline is short, the pressure loss is small, and the air suction efficiency is not influenced; therefore, the fluid performance and the noise elimination effect of the silencer are both considered.
Description
Technical Field
The utility model belongs to the technical field of compressor muffler technique and specifically relates to a horizontal split type muffler of breathing in of two-chamber and compressor is related to.
Background
The compressor is the core unit of refrigerator, and the compressor also is the main source of refrigerator noise simultaneously, and the compressor also directly determines the power consumption of refrigerator. The refrigerator noise is mainly caused by the resonance of vibration and airflow pulsation generated during the operation of the compressor and a shell cavity mode, and the compressor noise not only has low-frequency air path noise but also middle-high frequency air path noise, and is solved by a silencer in the prior general means. The muffler, one of the important parts of the compressor, affects both the efficiency and the noise of the compressor. The quality of the silencer is evaluated in two dimensions, namely that the fluid performance influences the efficiency of the compressor, and that the sound transmission loss influences the silencing effect of the silencer. At present, the silencer of the compressor is an expansion silencer, and the silencer causes the impedance change through the abrupt change of the cross section or the bypass resonant cavity, thereby generating the reflection and interference phenomena of sound waves and realizing the noise reduction effect of the silencer. Under the general condition, the muffler is mostly the multi-chamber and establishes ties, sets up the baffle between the cavity, in order to reach higher noise reduction effect, often the cavity sets up as many as five six, finally leads to single cavity of muffler small, and the inside pipeline of muffler is longer, both influences the noise cancelling effect of muffler, makes the suction efficiency of loss of pressure grow influence compressor again. And from the structure of the silencer, the larger the chamber volume of the silencer is, the better the fluid performance and the silencing effect of the silencer are. In addition, the silencer that uses at present all is upper and lower components of a whole that can function independently structure, that is to say the silencer divide into upper cover and lower cover, and the upper and lower cover of silencer need set up assembly structure on the horizontal plane, and this assembly structure occupation space is great, leads to making the cavity volume of silencer not big enough in the limited assembly space of compressor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a horizontal split type muffler and compressor of breathing in of two-chamber designs for the fluid performance and the noise cancelling effect of two-chamber structure in order to compromise the muffler to, the design is horizontal split type can make the volume of muffler cavity accomplish the biggest.
In order to achieve the above purpose, the utility model adopts the technical proposal as follows:
a dual chamber horizontal split suction muffler comprising:
the edge position of the inner cover body is provided with a first assembling part, and the middle position in the inner cover body is provided with a second assembling part;
the edge position of the outer cover body is provided with a third assembling part, and the middle position in the outer cover body is provided with a fourth assembling part;
the partition plate is provided with an insertion pipe, and the insertion pipe penetrates through the partition plate;
the partition plate is respectively assembled with the second assembling part and the fourth assembling part, the first assembling part is assembled with the third assembling part, the inner cover body and the outer cover body are buckled to form a sealed cavity, and the sealed cavity is divided into a lower expansion cavity and an upper resonant cavity by the partition plate;
the air suction pipe is communicated with the expansion cavity;
and the air outlet pipe is communicated with the resonant cavity.
Preferably, the upper end of the intubation tube extends to one end of the air outlet tube, which is located in the resonant cavity, and a gap is reserved between the upper end of the intubation tube and the end of the air outlet tube, which is located in the resonant cavity.
Preferably, the first fitting portion is provided as a first notch, and the third fitting portion is provided as a first projection engaged with the first notch.
Preferably, the second assembling portion and the fourth assembling portion are both provided with second notches, and the edge of the partition board is provided with second protrusions matched with the second notches.
Preferably, the air suction pipe is disposed on the inner cover.
Preferably, the air outlet pipe is arranged on the outer cover body.
Preferably, a plurality of reinforcing ribs are arranged on the inner cover body and the outer cover body.
Preferably, a plurality of reinforcing ribs are arranged on the partition plate.
Preferably, the partition plate is provided with a plurality of oil drainage ports, and the inner cover body or the outer cover body is provided with oil drainage ports communicated with the expansion cavity.
A compressor comprises the double-cavity horizontal split type suction muffler.
The utility model has the beneficial technical effects that:
the utility model discloses a double-cavity horizontal split type suction muffler, which is applied to a compressor, an inner cover body and an outer cover body are arranged in a horizontal split type, and a sealed cavity formed by buckling the inner cover body and the outer cover body is divided into two cavities, an expansion cavity and a resonant cavity by a clapboard; the volume of the expansion cavity can be maximized, and the middle-frequency and high-frequency noises are reduced; the frequency selectivity of the resonant cavity is strong, the parameters of the volume, the pipe diameter and the like of the resonant cavity are adjusted to ensure that the silencing frequency of the resonant cavity is close to the 800Hz frequency band, meanwhile, the volume of only one resonant cavity can be maximized, and the silencing effect of the 800Hz frequency band is best; meanwhile, the internal pipeline is simple, the total length of the pipeline is short, the pressure loss is small, and the air suction efficiency is not influenced; therefore, the fluid performance and the noise elimination effect of the silencer are both considered. Moreover, the inner cover body, the outer cover body and the partition plate are all provided with different numbers of reinforcing ribs, so that the wall thickness of the silencer can be made very thin (the wall thickness is 1 mm), and the material cost is saved; meanwhile, the reinforcing ribs arranged on the inner cover body and the outer cover body can prevent the silencer from generating radiation of resonance noise due to a drum-like structure; in addition, through seting up the draining hole, can prevent that the memory oil of muffler from influencing the efficiency of breathing in.
Drawings
Fig. 1 is a perspective view of an inner lid body according to an embodiment of the present invention;
FIG. 2 is a front view of the inner lid according to the embodiment of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a perspective view of an outer cover body according to an embodiment of the present invention;
fig. 5 is a front view of an outer cover body according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5;
FIG. 7 is a perspective view of a baffle plate according to an embodiment of the present invention;
FIG. 8 is a top view of a baffle according to an embodiment of the present invention;
FIG. 9 is a cross-sectional view taken at C-C of FIG. 8;
fig. 10 is a front view of a dual-chamber horizontal split type suction muffler according to an embodiment of the present invention;
FIG. 11 is a cross-sectional view taken along line D-D of FIG. 10;
FIG. 12 is a cross-sectional view E-E of FIG. 10;
fig. 13 is a perspective view of a compressor according to an embodiment of the present invention, and fig. 13 shows the upper, lower, left, right, front and rear orientations of the compressor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings. Certain embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. Indeed, various embodiments of the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will satisfy applicable legal requirements.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In an embodiment of the present invention, a dual-cavity horizontal split type suction muffler and a compressor are provided, please refer to fig. 1 to 13.
A double-cavity horizontal split type air suction silencer comprises an inner cover body 1, an outer cover body 2, a partition plate 3, an insertion pipe 4, an air suction pipe 5 and an air outlet pipe 6.
The inner cover body 1 is provided with a first assembling portion 11 at the edge position, a second assembling portion 12 at the middle position inside the inner cover body 1, and the second assembling portion 12 is arranged along the transverse direction.
The outer lid 2 is provided at an edge position with a third fitting portion 21, and an inner middle position of the outer lid 2 is provided with a fourth fitting portion 22, the fourth fitting portion 22 being arranged in a lateral direction.
The baffle 3 is provided with an insertion tube 4, the insertion tube 4 penetrates through the baffle 3, and the insertion tube 4 is used for communicating the expansion cavity and the resonant cavity.
During assembly, the partition board 3 is respectively assembled with the second assembling portion 12 and the fourth assembling portion 22, the first assembling portion 11 is assembled with the third assembling portion 21, the inner cover body 1 and the outer cover body 2 are buckled to form a sealed cavity, and the sealed cavity is divided into a lower expansion cavity and an upper resonant cavity by the partition board 3.
The first assembling portion 11 is a first notch, the third assembling portion 21 is a first protrusion, and the first protrusion is inserted into the first notch to realize the matching between the first notch and the third notch. The second assembling portion 12 and the fourth assembling portion 22 are both provided with second notches, the edge of the partition board 3 is provided with second protrusions, and the second protrusions are inserted into the second notches to realize the matching between the second protrusions and the partition board.
The air suction pipe 5 is arranged on the inner cover body 1, the air suction pipe 5 is communicated with the expansion cavity, and the outer end of the air suction pipe 5 is provided with a profiling air suction nozzle 51. The air outlet pipe 6 is arranged on the outer cover body 2, and the air outlet pipe 6 is communicated with the resonant cavity.
The upper end of the intubation tube 4 extends to one end of the air outlet tube 6 in the resonant cavity, and a gap is reserved between the upper end of the intubation tube 4 and one end of the air outlet tube 6 in the resonant cavity. Through setting up the clearance between the upper end of intubate 4 and outlet duct 6, the volume of resonant cavity and the wall thickness of intubate 4, can make the noise elimination frequency of resonant cavity near 800Hz frequency channel.
A plurality of reinforcing ribs 7 are arranged on the inner cover body 1 and the outer cover body 2 to reinforce the strength of the inner cover body 1 and the outer cover body 2. Wherein, the upper end of the outer cover body 2 is provided with three straight strip-shaped reinforcing ribs 7, and the arc-shaped side surface of the outer cover body 2 is provided with two arc-shaped reinforcing ribs 7; the upper end of the inner cover body 1 is provided with three straight strip-shaped reinforcing ribs 7. In addition, the reinforcing ribs 7 arranged on the inner cover body 1 and the outer cover body 2 can prevent the silencer from generating radiation of resonance noise due to the structure similar to a drum.
Two reinforcing ribs 7 are provided on the separator 3 to reinforce the strength of the separator 3.
A plurality of oil drainage openings 8 are formed in the partition plate 3, and the oil drainage openings 8 communicated with the expansion cavity are formed in the outer cover body 2, so that the air suction efficiency can be prevented from being influenced by oil stored in the silencer.
Referring to fig. 13, a compressor includes the dual-cavity horizontal split suction muffler F of the present embodiment. The horizontal split type muffler of breathing in of two-chamber is located the position of compressor core, and interior lid and outer lid are horizontal (preceding, back) split type and arrange, and interior lid is close to compressor core side, makes the cavity (expansion chamber and resonant cavity) of muffler can extend in left and right direction to the volume that makes the cavity of muffler does the biggest.
Up to this point, the present embodiment has been described in detail with reference to the accompanying drawings. From the above description, those skilled in the art should clearly understand the present invention, which is a dual-cavity horizontal split type suction muffler. The utility model discloses a horizontal split type muffler of breathing in of two-chamber is applied to the compressor, and inner cup body 1 and outer cup body 2 are horizontal split type and arrange, and baffle 3 divides the sealed cavity that inner cup body 1 and outer cup body 2 lock formed into two cavities, an expansion chamber and a resonant cavity; the volume of the expansion cavity can be maximized, and the medium-frequency and high-frequency noises are reduced; the frequency selectivity of the resonant cavity is strong, the parameters of the volume, the pipe diameter and the like of the resonant cavity are adjusted to ensure that the silencing frequency of the resonant cavity is close to the 800Hz frequency band, meanwhile, the volume of only one resonant cavity can be maximized, and the silencing effect of the 800Hz frequency band is best; meanwhile, the internal pipelines (the intubation tube 4, a part of the air suction tube 5 and a part of the air outlet tube 6) are simple, the overall length of the pipelines is short, the pressure loss is small, and the air suction efficiency is not influenced; therefore, the fluid performance and the noise elimination effect of the silencer are both considered. Moreover, the inner cover body 1, the outer cover body 2 and the partition plate 3 are provided with different numbers of reinforcing ribs 7, so that the wall thickness of the silencer can be made very thin (the wall thickness is 1 mm), and the material cost is saved; meanwhile, the reinforcing ribs 7 arranged on the inner cover body 1 and the outer cover body 2 can prevent the silencer from generating radiation of resonance noise due to a drum-like structure; in addition, the oil drainage hole 8 is formed, so that the influence of oil stored in the silencer on the air suction efficiency can be prevented.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A dual chamber horizontal split suction muffler comprising:
the inner cover body is provided with a first assembling part at the edge position, and a second assembling part is arranged at the middle position in the inner cover body;
the edge position of the outer cover body is provided with a third assembling part, and the middle position in the outer cover body is provided with a fourth assembling part;
the partition plate is provided with an insertion pipe, and the insertion pipe penetrates through the partition plate;
the partition plate is respectively assembled with the second assembling part and the fourth assembling part, the first assembling part is assembled with the third assembling part, the inner cover body and the outer cover body are buckled to form a sealed cavity, and the sealed cavity is divided into a lower expansion cavity and an upper resonant cavity by the partition plate;
the air suction pipe is communicated with the expansion cavity;
and the air outlet pipe is communicated with the resonant cavity.
2. The dual-chamber horizontal split suction muffler according to claim 1, wherein: the upper end of the intubation tube extends to one end of the air outlet tube, which is positioned in the resonant cavity, and a gap is reserved between the upper end of the intubation tube and one end of the air outlet tube, which is positioned in the resonant cavity.
3. The dual-chamber horizontal split suction muffler of claim 1, wherein: the first assembling portion is provided with a first notch, and the third assembling portion is provided with a first bulge matched with the first notch.
4. The dual-chamber horizontal split suction muffler of claim 1, wherein: the second assembly portion with the fourth assembly portion all sets up to the second notch, the border of baffle set up to with second notch complex second is protruding.
5. The dual-chamber horizontal split suction muffler according to claim 1, wherein: the air suction pipe is arranged on the inner cover body.
6. The dual-chamber horizontal split suction muffler of claim 1, wherein: the air outlet pipe is arranged on the outer cover body.
7. The dual-chamber horizontal split suction muffler of claim 1, wherein: the inner cover body and the outer cover body are provided with a plurality of reinforcing ribs.
8. The dual-chamber horizontal split suction muffler of claim 1, wherein: the partition board is provided with a plurality of reinforcing ribs.
9. The dual-chamber horizontal split suction muffler of claim 1, wherein: the partition board is provided with a plurality of oil drainage ports, and the inner cover body or the outer cover body is provided with oil drainage ports communicated with the expansion cavity.
10. A compressor, characterized by: comprising the dual chamber horizontal split suction muffler of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221603561.7U CN217558500U (en) | 2022-06-24 | 2022-06-24 | Horizontal split type muffler of breathing in of two-chamber and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221603561.7U CN217558500U (en) | 2022-06-24 | 2022-06-24 | Horizontal split type muffler of breathing in of two-chamber and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217558500U true CN217558500U (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221603561.7U Active CN217558500U (en) | 2022-06-24 | 2022-06-24 | Horizontal split type muffler of breathing in of two-chamber and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217558500U (en) |
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2022
- 2022-06-24 CN CN202221603561.7U patent/CN217558500U/en active Active
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