CN212717063U - Oil retaining structure for reciprocating piston compressor - Google Patents
Oil retaining structure for reciprocating piston compressor Download PDFInfo
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- CN212717063U CN212717063U CN202020847302.3U CN202020847302U CN212717063U CN 212717063 U CN212717063 U CN 212717063U CN 202020847302 U CN202020847302 U CN 202020847302U CN 212717063 U CN212717063 U CN 212717063U
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- oil
- reciprocating piston
- piston compressor
- crankcase
- muffler
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Abstract
The utility model discloses a reciprocating piston compressor is with keeping off oily structure, including the crankcase, be equipped with bent axle body and muffler induction port in the crankcase, be equipped with the fender oil piece that is used for the wall between bent axle body and the muffler induction port, keep off oil piece and include fixed part and separate the fender portion, the fixed part is fixed with the crankcase. The utility model provides a reciprocating piston compressor is with keeping off oily structure can block lubricating oil and lead to the passageway of muffler induction port from the bent axle top, has avoided getting into the muffler induction port from the oil that the top of bent axle body was thrown away, has reduced the oil cycle of compressor and refrigerator system, has reduced the energy consumption of refrigerator system.
Description
Technical Field
The utility model belongs to the technical field of the refrigeration compressor and specifically relates to a reciprocating piston compressor is with keeping off oily structure and specifically relates to a compressor oil baffle structure.
Background
In the existing household reciprocating refrigerator compressor, a rotating crankshaft driven by a motor is used for providing power to supply oil in an oil pool to a crankshaft bearing through a spiral oil groove. The motor drives the crankshaft and the oil suction pipe to rotate at a high speed, and the frozen oil in the oil pool at the bottom of the shell is pumped up to flow along the oil duct circularly by virtue of centrifugal force generated by stirring of propeller fins in the oil suction pipe and surface tension of the frozen oil. Part of the refrigeration oil reaches the crankshaft hole, the crankshaft shoulder, the connecting rod, the piston pin and the like from the outlets of the oil holes of the oil duct for lubrication, the rest oil is thrown out from the top of the crankshaft, part of the refrigeration oil is thrown onto the piston, the cylinder, the connecting rod and other moving parts to form splash oil supply, and most of the refrigeration oil is directly thrown onto the inner wall of the closed shell and flows back to the oil pool to form a circulating oil path. Therefore, it is necessary to design an oil blocking structure for a reciprocating piston compressor, which can block oil thrown from the top of the crankshaft from entering an oil passage of an air suction port of a silencer, improve oil circulation between the compressor and a refrigerator system, and reduce energy consumption of the refrigerator system.
Chinese patent application publication No. CN209621619U discloses that the publication date is 2019, 11 months and 12 days, and the name is "an use fender oil structure on the compressor", discloses an use fender oil structure on the compressor, including casing, upper cover and lower cover, fender oil structure sets up inside the casing, fender oil structure constitutes for last guide plate and lower guide plate, still evenly be equipped with the fender oil board between two upper and lower guide plates, evenly be equipped with the through-hole on the fender oil board, the guide plate upper surface still is equipped with a plurality of oil grooves of gathering down, the guide plate upper surface still is equipped with logical groove down, it links to each other with all oil grooves to lead to the groove, still be equipped with down on the guide plate and lead the hydraulic fluid port, it links to each other with logical groove and shells inner wall to lead the hydraulic port. However, the oil blocking structure is complex in structure, inconvenient in table and not suitable for the lubricating oil blocking at the top of the crankshaft.
Disclosure of Invention
The utility model discloses an overcome not enough among the prior art, provide a reciprocating piston compressor with keeping off oily structure, can block lubricating oil and lead to the passageway of muffler induction port from the bent axle top, avoided getting rid of the oil that the top of following the bent axle body gets into the muffler induction port, reduced the oil cycle of compressor and refrigerator system, reduced the energy consumption of refrigerator system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a reciprocating piston compressor is with keeping off oily structure, includes the crankcase, is equipped with bent axle body and muffler induction port in the crankcase, is equipped with the oil blocking piece that is used for cutting off between bent axle body and the muffler induction port, and the oil blocking piece includes fixed part and keeps off the portion, and the fixed part is fixed with the crankcase.
Among the above-mentioned technical scheme, the oil blocking piece has blocked lubricating oil and has led to the passageway of muffler induction port from the bent axle top, has avoided the oil that throws away from the top of bent axle body to get into the muffler induction port, has reduced the oil cycle of compressor and refrigerator system, has reduced the energy consumption of refrigerator system.
Preferably, the fixing portion is provided perpendicular to the barrier portion. The structure can ensure that the fixing part can be fixed with the crankcase, and simultaneously ensures that the blocking part can play a good blocking effect.
Preferably, the fixing part is provided with an installation elongated slot, a compression screw penetrates through the installation elongated slot to be fixed with the crankcase, and the compression screw compresses the fixing part. The installation elongated slot is convenient for adjusting the position of the oil baffle sheet during installation, is convenient for installation, and can reduce the requirement on manufacturing precision and the manufacturing cost.
Preferably, the fixing portion and the blocking portion have the same thickness. The structure facilitates the processing of the oil baffle sheet.
Preferably, the oil baffle is made of steel. The steel materials are convenient to obtain, and the structural strength of the blocking piece can be ensured.
Preferably, the fixing portion and the blocking portion are of an integral bending structure. The oil baffle plate is convenient to process and can be guaranteed in structural strength.
Preferably, the oil baffle sheet is made of plastic. The plastic material is easy to obtain and is easy to manufacture and form.
Preferably, the fixing portion and the blocking portion are formed by integral injection molding. The oil baffle plate is convenient to process and can be guaranteed in structural strength.
Preferably, the blocking part is provided with a yielding groove and a yielding arc. The inner exhaust pipe of the cover plate assembly can be avoided by the abdicating groove, and the abdicating circular arc can enable the oil blocking piece to better surround the top of the crankshaft body.
The utility model has the advantages that: (1) the passage that lubricating oil leads to the muffler induction port from the bent axle top has been blocked, has avoided getting into the muffler induction port from the oil that the top of bent axle body was thrown away, has reduced the oil cycle of compressor and refrigerator system, has reduced refrigerator system's energy consumption: (2) the position to keeping off the oil piece when convenient installation is adjusted, and easy to assemble can reduce the requirement of manufacturing accuracy simultaneously, reduces manufacturing cost: (3) the oil baffle sheet is convenient to process and high in structural strength.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view showing the structure of an oil deflector in example 2;
fig. 3 is a schematic structural view of an oil deflector in example 3.
In the figure: the crankshaft comprises a crankcase 1, a crankshaft body 2, a silencer air suction port 3, an oil blocking piece 4, a fixing portion 4.1, a blocking portion 4.2, a long mounting groove 4.3, a yielding groove 4.4, a yielding arc 4.5 and a compression screw 5.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments.
Example 1:
as shown in fig. 1 and 2, an oil blocking structure for a reciprocating piston compressor comprises a crankcase 1, a crankshaft body 2 and a muffler air suction port 3 are arranged in the crankcase 1, an oil blocking sheet 4 for blocking is arranged between the crankshaft body 2 and the muffler air suction port 3, the oil blocking sheet 4 comprises a fixing portion 4.1 and a blocking portion 4.2, the fixing portion 4.1 is perpendicular to the blocking portion 4.2, an installation elongated slot 4.3 is arranged on the fixing portion 4.1, a compression screw 5 penetrates through the installation elongated slot 4.3 to be fixed with the crankcase 1, and the compression screw 5 compresses the fixing portion 4.1; the blocking part 4.2 is provided with a yielding groove 4.4 and a yielding circular arc 4.5.
Among the above-mentioned technical scheme, oil blocking piece 4 has blocked the passageway that lubricating oil leads to muffler induction port 3 from the bent axle top, has avoided the oil that throws away from the top of bent axle body 2 to get into muffler induction port 3, has reduced the oil cycle of compressor and refrigerator system, has reduced the energy consumption of refrigerator system. The installation elongated slot 4.3 is convenient for adjusting the position of the oil baffle sheet 4 during installation, is convenient for installation, and can reduce the requirement of manufacturing precision and the manufacturing cost. The inner exhaust pipe of the cover plate assembly can be avoided by the abdicating groove 4.4, and the addendum arc 4.5 can enable the oil baffle piece 4 to better surround the top of the crankshaft body 2.
Example 2:
as shown in fig. 2, in embodiment 1, the oil deflector 4 is made of steel, and the thickness of the fixing portion 4.1 is the same as that of the baffle portion 4.2; the fixing portion 4.1 and the blocking portion 4.2 are of an integral bending structure. The structure is convenient to process the oil baffle plate 4, and the structural strength of the oil baffle plate 4 can be ensured.
Example 3:
as shown in fig. 3, in embodiment 1, the material of the oil baffle sheet 4 is plastic, and the fixing portion 4.1 and the baffle portion 4.2 are formed by integral injection molding. The structure is convenient to process the oil baffle plate 4, and the structural strength of the oil baffle plate 4 can be ensured.
The utility model has the advantages that: (1) the passage that lubricating oil leads to the muffler induction port from the bent axle top has been blocked, has avoided getting into the muffler induction port from the oil that the top of bent axle body was thrown away, has reduced the oil cycle of compressor and refrigerator system, has reduced refrigerator system's energy consumption: (2) the position to keeping off the oil piece when convenient installation is adjusted, and easy to assemble can reduce the requirement of manufacturing accuracy simultaneously, reduces manufacturing cost: (3) the oil baffle sheet is convenient to process and high in structural strength.
Claims (9)
1. The utility model provides a reciprocating piston compressor is with keeping off oily structure, includes the crankcase, is equipped with bent axle body and muffler induction port in the crankcase, characterized by, is equipped with the oil blocking piece that is used for cutting off between bent axle body and the muffler induction port, and the oil blocking piece includes fixed part and keeps off the portion, and the fixed part is fixed with the crankcase.
2. The oil baffle structure for a reciprocating piston compressor as claimed in claim 1, wherein the fixing portion is disposed perpendicular to the baffle portion.
3. The oil baffle structure for the reciprocating piston compressor as claimed in claim 1, wherein the fixing portion is provided with an installation elongated slot, a compression screw passes through the installation elongated slot to be fixed with the crankcase, and the compression screw compresses the fixing portion.
4. An oil baffle structure for a reciprocating piston compressor as claimed in claim 1, 2 or 3, wherein the thickness of the fixing portion is the same as that of the barrier portion.
5. The oil baffle structure for a reciprocating piston compressor as claimed in claim 4, wherein the oil baffle plate is made of steel.
6. The oil baffle structure for a reciprocating piston compressor as claimed in claim 5, wherein the fixing portion and the blocking portion are of an integral bent structure.
7. An oil deflector structure for a reciprocating piston compressor according to claim 1, 2 or 3, wherein the oil deflector is made of plastic.
8. The oil baffle structure for a reciprocating piston compressor as claimed in claim 5, wherein the fixing portion and the baffle portion are an integral injection molding structure.
9. An oil baffle structure for a reciprocating piston compressor as claimed in claim 1, 2 or 3 wherein the baffle portion is provided with a relief groove and a relief arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020847302.3U CN212717063U (en) | 2020-05-19 | 2020-05-19 | Oil retaining structure for reciprocating piston compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020847302.3U CN212717063U (en) | 2020-05-19 | 2020-05-19 | Oil retaining structure for reciprocating piston compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212717063U true CN212717063U (en) | 2021-03-16 |
Family
ID=74945830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020847302.3U Active CN212717063U (en) | 2020-05-19 | 2020-05-19 | Oil retaining structure for reciprocating piston compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212717063U (en) |
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2020
- 2020-05-19 CN CN202020847302.3U patent/CN212717063U/en active Active
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