CN213627919U - Silencer for deep-cold compressor - Google Patents
Silencer for deep-cold compressor Download PDFInfo
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- CN213627919U CN213627919U CN202022647279.6U CN202022647279U CN213627919U CN 213627919 U CN213627919 U CN 213627919U CN 202022647279 U CN202022647279 U CN 202022647279U CN 213627919 U CN213627919 U CN 213627919U
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Abstract
The utility model relates to the field of compressors, in particular to a compressor for a deep cooling refrigerator; the utility model aims to solve the technical problem that a more convenient muffler for cryogenic compressor of dismouting is provided. The silencer for the cryogenic compressor is provided with an air inlet, an air outlet interface and a connecting flange, wherein the cavity of the silencer consists of a left cavity, a middle cavity and a right cavity, a partition plate is arranged in the middle cavity and divides the middle cavity into an upper cavity and a lower cavity, the upper cavity and the lower cavity are communicated through a pipeline, the upper cavity is an open cavity, the opening of the open cavity is the air outlet interface, the connecting flange is fixed on the middle cavity, the inner ring of the connecting flange is communicated with the air outlet interface, the left cavity and the right cavity are respectively communicated with the lower cavity through pipelines, the left cavity or the right cavity is provided with an air inlet communicated with the left cavity or the right cavity, and the left cavity or the right cavity is provided with a pipeline communicated.
Description
Technical Field
The utility model belongs to the technical field of the compressor and specifically relates to compressor for cryrogenic refrigerator.
Background
In the fields of medical treatment, quick freezing and deep cooling of food and the like, the cryogenic compressor with low use cost and high reliability is gradually developed, the refrigerating working medium is a mixed working medium, the evaporation temperature is required to be low according to the characteristics of the mixed working medium, the temperature in the tank reaches-60 ℃ to-70 ℃, the temperature difference of the working medium entering and exiting the compressor is very large, and the use working condition is worse than that of a household compressor.
Present cryogenic compressor, through bolted connection between cylinder head and the compressor body, the suction port intercommunication on muffler and the cylinder head, and the interface of giving vent to anger of muffler is compressed tightly between cylinder head and compressor body, at compressor during operation, working medium gets into the muffler from the inlet port of muffler, then the suction port on the interface admission of giving vent to anger from the muffler gets into the cylinder head, there is the clearance in this kind of connected mode between the gas outlet of air inlet of cylinder head and muffler, make the high-temperature high-pressure working medium reveal easily, then working medium gets into the muffler from the suction port of muffler, the high-temperature high-pressure working medium makes the shell and the inside pipeline of muffler melt easily, thereby make the muffler damage, need dismouting cylinder head when changing the muffler after the muffler damages, consuming time and difficultly.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a more convenient muffler for cryogenic compressor of dismouting is provided.
The utility model provides a technical scheme that its technical problem adopted is: the silencer for the cryogenic compressor is provided with an air inlet, an air outlet interface and a connecting flange, wherein the cavity of the silencer consists of a left cavity, a middle cavity and a right cavity, a partition plate is arranged in the middle cavity and divides the middle cavity into an upper cavity and a lower cavity, the upper cavity and the lower cavity are communicated through a pipeline, the upper cavity is an open cavity, the opening of the open cavity is the air outlet interface, the connecting flange is fixed on the middle cavity, the inner ring of the connecting flange is communicated with the air outlet interface, the left cavity and the right cavity are respectively communicated with the lower cavity through pipelines, the left cavity or the right cavity is provided with an air inlet communicated with the left cavity or the right cavity, and the left cavity or the right cavity is provided with a pipeline communicated.
Furthermore, hasps are uniformly arranged on the periphery of the connecting flange.
Further, when the air inlet hole is formed in the right cavity, the distance from the axis of the pipeline for communicating the left cavity with the middle cavity to the lower surface of the partition plate is larger than the distance from the axis of the pipeline for communicating the right cavity with the middle cavity to the lower surface of the partition plate.
Further, when the air inlet hole is formed in the left cavity, the distance from the axis of the pipeline for communicating the left cavity with the middle cavity to the lower surface of the partition plate is smaller than the distance from the axis of the pipeline for communicating the right cavity with the middle cavity to the lower surface of the partition plate.
Further, the upper cavity and the lower cavity are communicated through two pipelines.
Further, the absolute value of the difference between the distances from the end surfaces of the two pipelines in the upper cavity to the upper surface of the partition plate is larger than zero.
Furthermore, the axis of the pipeline for communicating the upper cavity and the lower cavity is vertical to the axis of the pipeline for communicating the left cavity and the middle cavity and the axis of the pipeline for communicating the right cavity and the middle cavity.
Further, the diameter of the pipeline is 6.35 mm-8.00 mm.
The utility model has the advantages that: compare with the connected mode of the cylinder head of current compressor and muffler crimping, the utility model discloses a fixedly connected with muffler connecting plate on the cylinder head, flange on the interface of giving vent to anger of muffler is convenient to be connected with corresponding platelike structure for the working medium passageway of muffler communicates with the low pressure air inlet on the cylinder head, and then falls the working medium that gets into before the compressor and make an uproar, the utility model discloses a connected mode leakproofness is better, makes the working medium be difficult for revealing, when the muffler damages when needing to be changed, only needs to remove platelike structure and flange's connection and can change the muffler, need not to dismantle the cylinder head, and labour saving and time saving changes the muffler more convenient.
Drawings
FIG. 1 is an elevational view of the muffler in connection with a cylinder head;
FIG. 2 is a schematic view of the cylinder head and muffler attachment plate after they have been joined together;
FIG. 3 is a schematic view of the structure of a muffler;
fig. 4 is an isometric view of the structure of the present invention;
parts, positions and numbers in the drawings: the cylinder cover comprises a cylinder cover 1, a silencer connecting plate 101, an air outlet 1011, a low-pressure air inlet 102, a rib plate 103, a silencer 2, a middle cavity 201, a partition 2011, a left cavity 202, a right cavity 203, an air inlet 2031, a connecting flange 204, a buckle 205 and a pipeline 206.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The up, down, left and right orientations shown in fig. 1 are the up, down, left and right orientations of the respective parts.
As shown in fig. 1 and 4, the muffler for a cryogenic compressor, the cavity of the muffler 2 is composed of a left cavity 202, a middle cavity 201 and a right cavity 203, a partition 2011 is arranged in the middle cavity 201, the partition 2011 divides the middle cavity 201 into an upper cavity and a lower cavity, the upper cavity and the lower cavity are communicated through a pipeline 206, the left cavity 202 and the right cavity 203 are respectively communicated with the lower cavity through a pipeline 206, an air inlet hole 2031 communicated with the left cavity 202 or the right cavity 203 is arranged on the left cavity 202 or the right cavity 203, a pipeline 206 communicated with the air inlet hole 2031 is arranged in the left cavity 202 or the right cavity 203, the partition 2011 of the middle cavity 201 divides the middle cavity into two cavities, the volume of each cavity is smaller than that of the cavity provided with the 2031, the middle cavity 201 plays a role in expansion when the air inlet hole of the compressor operates and inhales air, so as to eliminate low frequency noise, the muffler has better muffling effect, the muffler is integrally recommended to be made of a steel material, the occurrence of part of high-frequency noise is effectively avoided, and the noise of the high-frequency noise is lower than that of a PPT material silencer in a high-frequency noise frequency band.
The utility model provides a with the utility model discloses supporting cylinder head structure that uses is equipped with low pressure air inlet 102 on cylinder head 1, gas outlet 1011 and low pressure air inlet 102 fixed connection and intercommunication on the muffler connecting plate 101, and mode integrated into one piece such as welding, casting is passed through with cylinder head 1 to muffler connecting plate 101, and mode fixed connection such as flange 204 and muffler connecting plate 101 pass through spiro union, riveting, gas outlet 1011 and the interface intercommunication of giving vent to anger.
In order to further ensure the sealing property and the connection stability between the connecting flange 204 and the silencer connecting plate 101, the connecting flange 204 is uniformly provided with the buckles 205 at the periphery, after the connecting flange 204 is connected with the silencer connecting plate 101, the buckles 205 are turned upwards to be in contact with the silencer connecting plate 101, the connecting flange 204 and the silencer connecting plate 101 are tensioned, and the secondary connection can be realized.
In order to reduce noise of different frequencies, when the intake holes 2031 are provided in the right chamber 203, the distance from the axis of the pipe 206 communicating the left chamber 202 and the middle chamber 201 to the lower surface of the partition 2011 is greater than the distance from the axis of the pipe 206 communicating the right chamber 201 and the middle chamber 206 to the lower surface of the partition 2011.
In order to reduce noise of different frequencies, when the intake holes 2031 are provided in the left chamber 202, the distance from the axis of the pipe 206 communicating the left chamber 202 and the middle chamber 201 to the lower surface of the partition 2011 is smaller than the distance from the axis of the pipe 206 communicating the right chamber 201 and the middle chamber 206 to the lower surface of the partition 2011.
In order to reduce noise at different frequencies, the upper and lower chambers are connected by two pipes 206.
In order to reduce noise at different frequencies, the absolute value of the difference in the distances from the end surfaces of the two pipes 206 in the upper chamber to the upper surface of the partition 2011 is greater than zero.
In order to make the working medium smoothly circulate, the axis of the pipeline 206 communicating the upper cavity and the lower cavity is perpendicular to the axis of the pipeline 206 communicating the left cavity 202 and the middle cavity 201 and communicating the right cavity 203 and the middle cavity 201.
In order to make the noise reduction effect good, the pipe 206 is a bundy pipe, and the diameter of the pipe 206 is 6.35mm to 8.00 mm.
Claims (8)
1. The silencer for the deep-cooling compressor is characterized in that: be equipped with inlet port (2031) on muffler (2), interface and flange (204) of giving vent to anger, the cavity of muffler (2) is by left chamber (202), middle chamber (201) and right chamber (203) are constituteed, be equipped with baffle (2011) in middle chamber (201), the baffle separates middle chamber (201) for epicoele and cavity of resorption, epicoele and cavity of resorption pass through pipeline (206) and communicate, the epicoele is the opening chamber, the opening in opening chamber is the interface of giving vent to anger, flange (204) are fixed on middle chamber (201), the inner ring and the interface intercommunication of giving vent to anger of flange (204), left chamber (202), right chamber (203) pass through pipeline (206) with the cavity of resorption respectively and communicate, be equipped with its intercommunication inlet port (2031) on left chamber (202) or right chamber (203), set up a pipeline (206) that communicates with inlet port (2031) in left chamber (202) or right chamber (203).
2. The muffler for a cryogenic compressor of claim 1, wherein: hasps (205) are uniformly arranged on the periphery of the connecting flange (204).
3. The muffler for a cryogenic compressor of claim 1, wherein: when the air inlet hole (2031) is arranged on the right cavity (203), the distance from the axis of the pipeline (206) for communicating the left cavity (202) with the middle cavity (201) to the lower surface of the clapboard (2011) is larger than the distance from the axis of the pipeline (206) for communicating the right cavity with the middle cavity (201) to the lower surface of the clapboard (2011).
4. The muffler for a cryogenic compressor of claim 1, wherein: when the air inlet hole (2031) is arranged on the left cavity (202), the distance from the axis of the pipeline (206) for communicating the left cavity (202) and the middle cavity (201) to the lower surface of the clapboard (2011) is less than the distance from the axis of the pipeline (206) for communicating the right cavity and the middle cavity (201) to the lower surface of the clapboard (2011).
5. The muffler for a cryogenic compressor of claim 1, wherein: the upper and lower chambers are in communication via two conduits (206).
6. The muffler for a cryogenic compressor of claim 5, wherein: the absolute value of the difference in the distances from the end surfaces of the two pipes (206) in the upper cavity to the upper surface of the diaphragm (2011) is greater than zero.
7. The muffler for a cryogenic compressor of claim 6, wherein: the axis of the pipeline (206) communicating the upper cavity and the lower cavity is vertical to the axis of the pipeline (206) communicating the left cavity (202) and the middle cavity (201), and the axis of the pipeline (206) communicating the right cavity (203) and the middle cavity (201).
8. The muffler for a cryogenic compressor according to any one of claims 1 to 7, wherein: the diameter of the pipeline (206) is 6.35 mm-8.00 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022647279.6U CN213627919U (en) | 2020-11-16 | 2020-11-16 | Silencer for deep-cold compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022647279.6U CN213627919U (en) | 2020-11-16 | 2020-11-16 | Silencer for deep-cold compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213627919U true CN213627919U (en) | 2021-07-06 |
Family
ID=76635092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022647279.6U Active CN213627919U (en) | 2020-11-16 | 2020-11-16 | Silencer for deep-cold compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213627919U (en) |
-
2020
- 2020-11-16 CN CN202022647279.6U patent/CN213627919U/en active Active
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