CN211778004U - Oil storage structure, horizontal scroll compressor and air conditioner - Google Patents
Oil storage structure, horizontal scroll compressor and air conditioner Download PDFInfo
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- CN211778004U CN211778004U CN201922265814.9U CN201922265814U CN211778004U CN 211778004 U CN211778004 U CN 211778004U CN 201922265814 U CN201922265814 U CN 201922265814U CN 211778004 U CN211778004 U CN 211778004U
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Abstract
The utility model provides an oil storage structure, horizontal scroll compressor and air conditioner, oil storage structure includes: the lubricating oil is collected into an oil pool in the oil storage cavity, the oil storage cavity is isolated from a motor assembly of the compressor, and the oil storage cavity can supply oil to a central oil hole of the crankshaft piece; and one end of the oil return pipe is communicated with the oil storage cavity, the other end of the oil return pipe is communicated with the lubricating part of the compressor, and lubricating oil supplied to the lubricating part from the central oil hole flows back to the oil storage cavity through the oil return pipe after the lubricating operation is finished. The utility model discloses an oil storage structure stops lubricating oil and electric motor rotor direct contact volume, and when the compressor ran, the rotor can not mix lubricating oil by a large scale, improved the supply stability of lubricating oil, and lubricating oil forms the oil bath that has certain oil level height in the oil storage intracavity simultaneously, and the oil bath liquid level is stable, and the oil bath is more close the central oilhole of bent axle, can guarantee to provide sufficient lubricating oil and lubricate each friction in the compressor system vice.
Description
Technical Field
The utility model belongs to the technical field of the air conditioner, concretely relates to oil storage structure, horizontal scroll compressor and air conditioner.
Background
Horizontal scroll compressor is at the operation in-process, because its reason of placing, a large amount of flats of lubricating oil are in the compressor bottom, and in rotor partly can dip into lubricating oil, these lubricating oil of in-process of rotor pivoted can stir in a large number, make it splash in compressor housing, influence the stable supply of lubricating oil.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model is the unable stable supply of lubricating oil among the scroll compressor to an oil storage structure, horizontal scroll compressor and air conditioner are provided.
In order to solve the above problem, the utility model provides an oil storage structure, include:
the lubricating oil is collected into an oil pool in the oil storage cavity, the oil storage cavity is isolated from a motor assembly of the compressor, and the oil storage cavity can supply oil to a central oil hole of the crankshaft piece;
and one end of the oil return pipe is communicated with the oil storage cavity, the other end of the oil return pipe is communicated with the lubricating part of the compressor, and lubricating oil supplied to the lubricating part from the central oil hole flows back to the oil storage cavity through the oil return pipe after the lubricating operation is finished.
The purpose of the utility model and the technical problem thereof can be further realized by adopting the following technical measures.
Preferably, the end of the crank member remote from the scroll assembly is provided with an oil pump device for drawing lubricating oil from an oil pool of the oil storage chamber and injecting the lubricating oil into the central oil hole.
Preferably, the oil pump device is provided with an oil supply pipe, and the tail end of the oil supply pipe extends to a position below the liquid level of the oil pool in the oil storage cavity.
Preferably, the oil storage structure further comprises an air suction oil separation chamber, the air suction oil separation chamber is provided with an air suction port, refrigerant sucked by the compressor enters the air suction oil separation chamber through the air suction port to be subjected to oil-gas separation and then is discharged into the compressor, and lubricating oil separated by the air suction oil separation chamber flows to the oil storage cavity.
Preferably, an oil separator is arranged in the air suction oil separation chamber, and the oil separator is provided with an air outlet.
Preferably, the oil storage structure is further provided with an air suction cavity, the air suction cavity is separated from the oil storage cavity through an oil-gas separation plate, and the air suction cavity is communicated with the air outlet.
Preferably, the oil storage structure further comprises a first shell and a second shell, the first shell is concave, and the oil storage cavity is arranged between the first shell and the second shell.
Preferably, the second housing is provided with a mounting hole, one end of the crankshaft is mounted in the mounting hole, the end of the crankshaft penetrates out of the second housing, and/or the second housing is provided with a compressed air inlet, and a refrigerant in the suction cavity enters the compressor through the compressed air inlet.
Preferably, the oil-gas separation chamber is enclosed by a first partition member integrally formed on the inner wall of the first housing and/or an inner wall of the first housing.
Preferably, the vertical height of the oil return pipe is gradually reduced from the lubricating part to the direction of the oil storage cavity.
Preferably, the inner wall of the shell of the compressor is provided with a groove, and the oil return pipe is arranged in the groove.
A horizontal scroll compressor adopts any one of the oil storage structures.
An air conditioner adopts any one of the oil storage structures.
The utility model provides an oil storage structure, horizontal scroll compressor and air conditioner have following beneficial effect at least:
the utility model discloses an oil storage structure can concentrate the storage with the lubricating oil of compressor, stops lubricating oil and electric motor rotor direct contact volume, and when the compressor operation, the rotor can not stir lubricating oil by a large scale, improves the supply stability of lubricating oil, and lubricating oil forms the oil bath that has certain oil level height in the oil storage intracavity simultaneously, and the oil bath liquid level is stable, and the oil bath is more close the central oilhole of bent axle, can guarantee to provide sufficient lubricating oil and lubricate each friction in the compressor system vice.
Drawings
Fig. 1 is a schematic structural diagram of an oil storage structure according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an oil separator according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first housing according to an embodiment of the present invention;
fig. 4 is a partial structural schematic diagram of a second housing according to an embodiment of the present invention.
The reference numerals are represented as:
1. an oil storage chamber; 2. an oil sump; 3. a motor assembly; 4. a crankshaft piece; 5. a central oil hole; 6. an oil return pipe; 7. a lubricating section; 8. a scroll assembly; 9. an oil pump device; 10. an oil supply pipe; 11. an intake oil separation chamber; 12. an air suction port; 13. an oil separator; 14. an air outlet; 15. an oil outlet; 16. an air suction cavity; 17. an oil-gas separation plate; 18. a first housing; 19. a second housing; 20. mounting holes; 21. a groove; 22. compressing the air inlet; 23. a first divider member; 24. an upper bracket oil hole.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
With reference to fig. 1 to 4, an embodiment of the present invention provides an oil storage structure, including: the lubricating oil storage device comprises an oil storage cavity 1, wherein lubricating oil is stored in the oil storage cavity 1, the lubricating oil is converged into an oil pool 2 in the oil storage cavity 1, the oil storage cavity 1 is isolated from a motor assembly 3 of the compressor, and the oil storage cavity 1 can supply oil to a central oil hole 5 of a crankshaft 4; and one end of the oil return pipe 6 is communicated with the oil storage cavity 1, the other end of the oil return pipe 6 is communicated with the lubricating part 7 of the compressor, and lubricating oil supplied to the lubricating part 7 by the central oil hole 5 flows back to the oil storage cavity 1 through the oil return pipe 6 after the lubricating operation is finished.
The embodiment of the utility model provides an oil storage structure can concentrate the storage with the lubricating oil of compressor, stops lubricating oil and electric motor rotor direct contact volume, and when the compressor operation, the rotor can not stir lubricating oil by a large scale, improves the supply stability of lubricating oil, and lubricating oil forms the oil bath that has certain oil level height in oil storage chamber 1 simultaneously, and the oil bath liquid level is stable, and the oil bath is more close the central oilhole of bent axle, can guarantee to provide sufficient lubricating oil and lubricate each friction in the compressor system vice.
The lubricating part 7 of the embodiment of the utility model mainly comprises the main bearing of the crankshaft 4, the auxiliary bearing, the vortex disc assembly 8 and other parts needing lubrication. The central oil hole 5 and the oil return pipe 6 form a complete lubricating oil circulation loop, the lubricating oil is not exposed in a cavity where the motor assembly 3 is located, little or no lubricating oil is basically arranged in a rotor part of the motor assembly 3, and the technical problems in the prior art can not occur. In order to prevent the lubricated oil from flowing into the oil storage cavity 1, the main bearing and the auxiliary bearing are sealed by shaft seal structures.
In order to ensure smooth oil return of the lubricating part 7, an upper bracket oil hole 24 is formed in the upper bracket, and lubricating oil which finishes lubricating is introduced into the oil return pipe 6 through the upper bracket oil hole 24 and flows back to the oil storage chamber 1 through the oil return pipe 6.
Preferably, in order to ensure that the crank member 4 can smoothly draw up the lubricating oil, the end of the crank member 4 far away from the scroll assembly 8 is provided with an oil pump device 9, and the oil pump device 9 is used for pumping the lubricating oil from the oil pool 2 of the oil storage chamber 1 and injecting the lubricating oil into the central oil hole 5.
Preferably, and taking into account that the level of the lubricating oil in the oil reservoir 2 may not reach the inlet of the oil pump device 9, the oil pump device 9 is provided with an oil feed pipe 10, the end of the oil feed pipe 10 extending below the level of the oil reservoir 2 in the oil reservoir 1, ensuring that the oil pump device 9 obtains a sufficient amount of oil.
Considering that a part of lubricating oil is mixed in the refrigerant sucked by the compressor, and the part of lubricating oil can reduce the refrigeration energy efficiency of the refrigerant, the oil storage structure of the embodiment further comprises an air suction oil separation chamber 11, the air suction oil separation chamber 11 is provided with an air suction port 12, the refrigerant sucked by the compressor enters the air suction oil separation chamber 11 through the air suction port 12 to be subjected to oil-gas separation and then is sucked into a pump body of the compressor to be compressed, and the lubricating oil separated from the air suction oil separation chamber 11 flows to the oil storage cavity 1. Specifically, an oil separator 13 is arranged in the intake oil separation chamber 11, and the oil separator 13 is provided with an air outlet 14 and an oil outlet 15.
Preferably, after the refrigerant flowing through the oil separator 13 is successfully subjected to oil-gas separation, the gas refrigerant is ensured not to contact with lubricating oil as much as possible, so that the oil storage structure is further provided with a suction cavity 16, the suction cavity 16 is separated from the oil storage cavity 1 by an oil-gas separation plate 17, and the suction cavity 16 is communicated with the gas outlet 14.
Preferably, in view of the structure of the existing horizontal scroll compressor, in order to reduce the structural change of the horizontal scroll compressor as much as possible, the oil storage structure further comprises a first housing 18 and a second housing 19, the first housing 18 is concave, the oil storage chamber 1 is arranged between the first housing 18 and the second housing 19, the second housing 19 is provided with a mounting hole 20, one end of the crankshaft 4 is mounted in the mounting hole 20, and the end of the crankshaft 4 penetrates out of the second housing 19. The second housing 19 is actually modified from the original end cover of the compressor.
Preferably, the oil-gas separation chamber is enclosed by a first partition member 23 with the inner wall of the first housing 18, the first partition member 23 being integrally formed on the inner wall of the first housing 18, and/or the oil-gas separation plate 17 being integrally formed on the inner wall of the first housing 18. A concave first shell 18 is additionally arranged on the outer side of the end cover of the compressor and buckled on a second shell 19 to form a closed cavity, and the cavity is divided into three parts, namely an oil-gas separation chamber 11, a suction chamber 16 and an oil storage chamber 1, through a first partition plate part 23 and an oil-gas partition plate 17.
Preferably, in order to improve the oil return effect, the vertical height of the oil return pipe 6 is gradually decreased from the lubricating part 7 to the direction of the oil storage chamber 1, that is, the oil return pipe 6 is placed at a certain inclination angle at the bottom of the compressor housing, and in consideration of manufacturability, a groove 21 with an inclination angle is formed at a corresponding position at the bottom of the housing, and the oil return pipe 6 is placed in the groove 21. In order to ensure an effective oil return effect, at least one, preferably a plurality of oil return pipes 6 may be provided.
When the compressor is running, under the action of the oil pump device 9, the lubricating oil in the oil pool 2 is introduced into the central oil hole 5 of the crankshaft 4, and then flows to each moving part along the hole, and the lubrication of the moving parts is completed. In order to prevent lubricating oil from falling into the bottom of the compressor under the action of gravity in the lubricating process, shaft seal structures are adopted in the auxiliary shaft neck and the main shaft neck, and the part of a shaft seal inner ring, which is in contact with a crankshaft, is sealed by adopting wear-resistant material PTFE and prevents friction between a shaft seal piece and the surface of the crankshaft.
A horizontal scroll compressor adopts any one of the oil storage structures.
An air conditioner adopts any one of the oil storage structures.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (13)
1. An oil storage structure, characterized by comprising:
the lubricating oil storage device comprises an oil storage cavity (1), wherein lubricating oil is stored in the oil storage cavity (1), the lubricating oil is converged into an oil pool (2) in the oil storage cavity (1), the oil storage cavity (1) is isolated from a motor assembly (3) of the compressor, and the oil storage cavity (1) can supply oil to a central oil hole (5) of a crankshaft piece (4);
the oil return pipe (6), the one end intercommunication of returning oil pipe (6) oil storage chamber (1), lubricating portion (7) of other end intercommunication compressor, lubricating oil that central oilhole (5) supplied to lubricating portion (7), after accomplishing lubricated work, the warp return oil pipe (6) flow back to oil storage chamber (1).
2. An oil storage structure according to claim 1, wherein the end of the crank member (4) remote from the scroll assembly (8) is provided with an oil pump device (9), and the oil pump device (9) is used for drawing lubricating oil from the oil pool (2) of the oil storage chamber (1) and injecting the lubricating oil into the central oil hole (5).
3. An oil storage structure according to claim 2, characterized in that the oil pump device (9) is provided with an oil feed pipe (10), and the end of the oil feed pipe (10) extends to a position below the liquid level of the oil pool (2) in the oil storage chamber (1).
4. The oil storage structure according to claim 3, further comprising a getter-oil separation chamber (11), wherein the getter-oil separation chamber (11) is provided with a suction port (12), refrigerant sucked by a compressor enters the getter-oil separation chamber (11) through the suction port (12) for oil-gas separation and then is discharged into the compressor, and lubricant oil separated by the getter-oil separation chamber (11) flows to the oil storage chamber (1).
5. An oil storage structure according to claim 4, wherein an oil separator (13) is provided in the intake oil separation chamber (11), and the oil separator (13) is provided with an air outlet (14).
6. The oil storage structure of claim 5, characterized in that the oil storage structure is further provided with an air suction cavity (16), the air suction cavity (16) is separated from the oil storage cavity (1) through an oil-gas separation plate (17), and the air suction cavity (16) is communicated with the air outlet (14).
7. The oil storage structure according to claim 6, further comprising a first housing (18), a second housing (19), the first housing (18) being concave, the oil storage chamber (1) being provided between the first housing (18) and the second housing (19).
8. The oil storage structure according to claim 7, wherein the second housing (19) is provided with a mounting hole (20), one end of the crankshaft (4) is mounted in the mounting hole (20), and the end of the crankshaft (4) penetrates through the second housing (19), and/or a compression air inlet is formed in the second housing (19), and the refrigerant in the air suction cavity (16) enters the compressor through the compression air inlet.
9. The oil storage structure according to claim 8, wherein the suction oil separation chamber is surrounded by a first partition member integrally formed on the inner wall of the first casing (18) and the inner wall of the first casing (18), and/or the oil-air separation plate (17) is integrally formed on the inner wall of the first casing (18).
10. The oil storage structure according to any one of claims 1 to 9, wherein the vertical height of the oil return pipe (6) decreases from the lubricating portion (7) toward the oil storage chamber (1), and/or the number of the oil return pipes (6) is at least one.
11. An oil storage structure according to claim 10, characterized in that the inner wall of the shell of the compressor is provided with a groove (21), and the oil return pipe (6) is arranged in the groove (21).
12. A horizontal scroll compressor characterized by employing the oil storage structure according to any one of claims 1 to 11.
13. An air conditioner characterized by employing the oil storage structure according to any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922265814.9U CN211778004U (en) | 2019-12-16 | 2019-12-16 | Oil storage structure, horizontal scroll compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922265814.9U CN211778004U (en) | 2019-12-16 | 2019-12-16 | Oil storage structure, horizontal scroll compressor and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211778004U true CN211778004U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922265814.9U Active CN211778004U (en) | 2019-12-16 | 2019-12-16 | Oil storage structure, horizontal scroll compressor and air conditioner |
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| Country | Link |
|---|---|
| CN (1) | CN211778004U (en) |
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- 2019-12-16 CN CN201922265814.9U patent/CN211778004U/en active Active
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