CN215170781U - Oil blocking assembly, compressor and air conditioner - Google Patents
Oil blocking assembly, compressor and air conditioner Download PDFInfo
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- CN215170781U CN215170781U CN202121566869.4U CN202121566869U CN215170781U CN 215170781 U CN215170781 U CN 215170781U CN 202121566869 U CN202121566869 U CN 202121566869U CN 215170781 U CN215170781 U CN 215170781U
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Abstract
The application provides a keep off oily subassembly, compressor and air conditioner, keep off oily subassembly setting in exhaust passage, it includes the base member and keeps off the oil blade to keep off oily subassembly, the quantity that keeps off the oil blade is two at least, two at least keep off the oil blade setting and be in on the base member, and at least two keep off the oil blade and follow the circumference of base member is arranged, it falls the structure of making an uproar to be provided with on the oil blade to keep off. The application provides a keep off oily subassembly, compressor and air conditioner can reduce the noise when keeping off oily operation, improves and uses experience.
Description
Technical Field
The application belongs to the technical field of air conditioning, and particularly relates to an oil blocking assembly, a compressor and an air conditioner.
Background
The oil discharge rate is an important parameter of the reliability of the compressor, when the compressor runs at a high speed under a heavy working condition, a large amount of high-temperature lubricating oil droplets are contained in a compressor cavity, the large amount of lubricating oil droplets are discharged out of the compressor along with a high-pressure refrigerant and enter an air conditioning system, lubricating oil in the compressor is gradually reduced, the risk of dry friction among all parts is increased, and the running reliability of the compressor is reduced.
In order to reduce the oil spitting rate and further prevent the occurrence of dry friction, the conventional compressor is usually provided with an oil baffle plate in an exhaust passage to block the discharge of lubricating oil, but the conventional oil baffle plate spans in the exhaust passage and does rotary motion, so that the noise is high during operation, and the use experience is seriously influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem that this application will be solved lies in providing a keep off oily subassembly, compressor and air conditioner, can reduce the noise when keeping off oily operation, improves and uses experience.
In order to solve the problem, the application provides a keep off oily subassembly, keep off oily subassembly setting in exhaust passage, it includes the base member and keeps off the oil blade to keep off oily subassembly, the quantity that keeps off the oil blade is two at least, two at least keep off the oil blade setting and be in on the base member, and at least two keep off the oil blade and follow the circumference of base member is arranged, it falls the structure of making an uproar to be provided with on the oil blade to keep off.
Optionally, the noise reduction structure includes a noise reduction hole, and the noise reduction hole is arranged through the thickness direction of the oil baffle blade.
Optionally, the hole area of the noise reduction hole accounts for 10% -15% of the area of the oil baffle blade.
Optionally, the noise reducing structure comprises a groove and/or a protrusion, and the groove and/or the protrusion are arranged on the outer wall of the blade.
Optionally, the base member is cylindrical, and the oil blocking blade is along the circumference of base member evenly sets up on the periphery wall of base member.
Optionally, the base body drives the oil blocking blade to rotate, so as to accelerate the flow speed of the gas in the exhaust passage.
Optionally, the oil blocking blade is in a long strip shape, one long edge of the oil blocking blade is connected with the base body, a connecting line of two ends of the oil blocking blade in the length direction is L, the L and the rotation direction of the oil blocking blade form an angle α, and the angle α is greater than or equal to 120 degrees and less than or equal to 160 degrees.
Optionally, the oil blocking blade is in a long strip shape, one long edge of the oil blocking blade is connected with the base body, and the oil blocking blade extends in an S shape, a C shape or a straight line along the length direction.
Optionally, the oil blocking assembly includes two base bodies, one of which is a first base body, and the other is a second base body, the first base body is located at an upstream side of the second base body along the flow direction in the exhaust passage, the first base body is provided with at least two first oil blocking vanes, and the second base body is provided with at least two second oil blocking vanes.
Optionally, an angle formed by the first oil blocking blade and the rotation direction of the oil blocking blade is β, β is greater than or equal to 120 degrees and is less than or equal to 160 degrees, and an angle formed by the second oil blocking blade and the rotation direction of the oil blocking blade is the same as an angle formed by the first oil blocking blade and the rotation direction of the oil blocking blade;
or the like, or, alternatively,
the angle formed by the first oil blocking blade and the rotation direction of the oil blocking blade is beta, beta is more than or equal to 120 degrees and less than or equal to 160 degrees, the angle formed by the second oil blocking blade and the rotation direction of the oil blocking blade is gamma, and gamma is more than or equal to 20 degrees and less than or equal to 60 degrees.
In another aspect of the present application, there is provided a compressor including the oil baffle assembly as described above.
Optionally, the compressor includes a crankshaft, and the base is sleeved on the crankshaft.
Optionally, the compressor includes a rotor, a balance block is disposed on the rotor, and the base is connected to the balance block.
Optionally, the compressor includes blast pipe and casing, the blast pipe stretches into in the casing, the blast pipe is located the length in the casing is 10 ~ 15 mm.
Optionally, when the oil blocking assembly comprises two base bodies, one of the two base bodies is a first base body, the other base body is a second base body, the first base body is located on the upstream side of the second base body along the overflowing direction in the exhaust passage, at least two first oil blocking blades are arranged on the first base body, when at least two second oil blocking blades are arranged on the second base body, the compressor comprises an exhaust pipe and a shell, the exhaust pipe extends into the shell, and the exhaust pipe is located in the shell and has a length of 5-10 mm.
In another aspect of the present application, an air conditioner is provided, which includes the oil baffle assembly as described above or the compressor as described above.
Advantageous effects
The embodiment of the utility model provides a keep off oily subassembly, compressor and air conditioner, noise when can reducing to keep off oily operation improves and uses experience.
Drawings
Fig. 1 is a schematic structural view of an oil deflector assembly according to embodiment 1 of the present application;
fig. 2 is a first perspective view of an oil baffle assembly according to embodiment 1 of the present application;
fig. 3 is a second perspective view of the oil baffle assembly according to embodiment 1 of the present application;
fig. 4 is a schematic structural view of an oil baffle assembly, a stator-rotor assembly and a pump body assembly according to embodiment 1 of the present application;
fig. 5 is a schematic perspective view of an oil baffle assembly, a stator-rotor assembly and a pump body assembly according to embodiment 1 of the present application;
fig. 6 is a first structural schematic view of a compressor according to embodiment 1 of the present application;
fig. 7 is a second structural schematic view of the compressor of embodiment 1 of the present application;
fig. 8 is a first perspective view of the oil baffle assembly according to embodiment 2 of the present application;
fig. 9 is a second perspective view of the oil baffle assembly of embodiment 2 of the present application;
FIG. 10 is a schematic perspective view of an oil baffle assembly according to embodiment 3 of the present application;
fig. 11 is a schematic structural view of an oil baffle assembly, a stator-rotor assembly and a pump body assembly according to embodiment 4 of the present application;
fig. 12 is a schematic perspective view of an oil baffle assembly, a stator-rotor assembly and a pump body assembly according to embodiment 4 of the present application;
fig. 13 is a schematic structural view of a compressor according to embodiment 4 of the present application;
FIG. 14 is a schematic structural view of an oil baffle assembly, a stator and rotor assembly and a pump body assembly in embodiment 5 of the present application;
fig. 15 is a schematic perspective view of an oil baffle assembly, a stator-rotor assembly and a pump body assembly according to embodiment 5 of the present application.
The reference numerals are represented as:
1. a substrate; 11. a first substrate; 12. a second substrate; 2. an oil baffle blade; 21. a first oil deflector vane; 22. a second oil retaining vane; 23. a noise reduction hole; 24. a protrusion; 3. a rotor; 4. a balance weight.
Detailed Description
With combined reference to fig. 1 to 7, according to embodiment 1 of the present application, an oil blocking assembly, characterized in that, the oil blocking assembly is disposed in an exhaust passage, the oil blocking assembly includes a base 1 and oil blocking blades 2, the number of the oil blocking blades 2 is at least two, the at least two oil blocking blades 2 are disposed on the base 1, and the at least two oil blocking blades 2 are arranged along the circumferential direction of the base 1, the oil blocking blades 2 are provided with noise reduction structures, the noise generated during oil blocking operation can be reduced by disposing the noise reduction structures, and the use experience is improved.
The structure of making an uproar falls including making an uproar hole 23, and the hole of making an uproar falls runs through the thickness direction setting that keeps off oil vane 2, can reduce the noise that the gas flow produced when keeping off oil vane 2, and then reduces compressor noise, improves and uses experience.
Further, the noise reduction hole 23 penetrates the oil deflector 2 in the thickness direction of the oil deflector 2.
Further, the noise reduction holes 23 are aligned in the length direction and the width direction of the oil deflector 2.
As an embodiment, the noise reduction holes 23 may be uniformly distributed at both ends of the oil deflector blade 2 in the length direction.
As another embodiment, the noise reduction holes 23 may be uniformly distributed throughout the oil deflector vane 2.
The hole area of the noise reduction hole 23 accounts for 10% -15% of the area of the oil blocking blade 2, noise generated when gas flows through the oil blocking blade 2 is further reduced, working noise of the compressor is further reduced, and use experience is improved.
Further, the hole area of the noise reduction hole 23 accounts for 13.3% of the area of the oil baffle blade 2, the working noise of the compressor is reduced to the maximum extent, and the use experience is improved.
The base member 1 is cylindrical, and the oil blocking blade 2 evenly sets up on the periphery wall of base member 1 along the circumference of base member 1, guarantees that the ability that drives the gas flow of oil blocking component circumference each department is the same, guarantees that the air current flows steadily.
Further, the base body 1 is cylindrical, and the oil baffle blades 2 are uniformly arranged on the peripheral wall along the circumferential direction of the cylindrical shape.
The base body 1 drives the oil baffle blade 2 to rotate so as to accelerate the flowing speed of gas in the exhaust passage. Can drive the interior gas of exhaust passage and flow with higher speed through making fender oil vane 2 rotatory back, and then can avoid fender oil vane 2 to lead to the fact the hindrance to the exhaust, improve exhaust flow velocity, reduce the exhaust flow loss.
Further, the arrow direction in the figure is the rotation direction of the base 1 and the oil deflector 2.
Further, the base body 1 drives the oil blocking blades 2 to rotate along the circumferential direction of the base body 1 so as to drive the gas to flow in an accelerated manner.
Further, in this embodiment, the number of the oil blocking blades 2 is plural, and the plurality of oil blocking blades 2 are sequentially arranged along the circumferential direction of the base body 1.
Furthermore, the number of the oil baffle blades 2 is 6-18.
Specifically, in the present embodiment, the number of the oil deflector 2 is 6.
Furthermore, the shape and the angle of the wind shielding blades on the same base body 1 are the same, so that the capability of driving gas to flow in all the circumferential positions of the oil shielding assembly is further ensured to be the same, and the stable flow of the gas flow is ensured.
Furthermore, the oil blocking blade 2 and the rotation direction of the oil blocking blade 2 are arranged in an angle alpha of more than or equal to 120 degrees and less than or equal to 160 degrees, namely, the lift angle of the oil blocking blade 2 is more than or equal to 20 degrees and less than or equal to 60 degrees.
Furthermore, the oil blocking blade 2 and the rotation direction of the oil blocking blade 2 are arranged at an angle α, that is, the oil blocking blade 2 and the plane where the end surface of the base body 1 is located are arranged at the angle α.
Keep off oil vane 2 and be rectangular shape, keep off one of them long limit of oil vane 2 and be connected with base member 1, keep off oil vane 2 and be the S-shaped along length direction, can guarantee the ability that good drive gas flows, and can drive the more steady flow of gas.
Further, the oil deflector 2 is S-shaped, that is, the oil deflector 2 has two pits, that is, a first pit and a second pit, the first pit is located on the upstream side of the second pit in the flow direction, as shown in fig. 2, the first pit is located obliquely below the second pit, the opening of the first pit faces obliquely above, and the opening of the second pit faces obliquely below.
In another aspect of the present disclosure, a compressor is provided, which includes the oil baffle assembly as described above.
The compressor comprises a crankshaft, wherein the base body 1 is sleeved on the crankshaft, so that the crankshaft drives the base body 1 to rotate, and further drives the oil blocking blades 2 to rotate, and the gas flow is accelerated.
Furthermore, the middle part of the base body 1 is provided with a mounting hole, and the base body 1 is sleeved on the crankshaft through the mounting hole.
The compressor includes rotor 3, is provided with balancing piece 4 on the rotor 3, and base member 1 meets with balancing piece 4, and through making base member 1 meet with balancing piece 4, the increase quality changes the order natural frequency of 3 subassemblies of rotor, and then effectively avoids motor resonance, reduces the fundamental frequency vibration acceleration.
Further, the base 1 in the present disclosure may be referred to as a weight block, and the weight block is fixedly connected to the weight block 4.
Furthermore, the balancing weight is made of cast iron, so that the cost can be effectively reduced, the mass force and the electromagnetic force of the compressor assembly are improved, and the vibration and the swing value of the compressor are reduced.
When the compressor runs at low frequency, unbalanced mass force and unbalanced electromagnetic force are generated during component assembly, so that the vibration and swing values of the compressor are large, particularly the effective values of the tangential direction vibration acceleration at each position of the compressor exceed the standard integrally, and the peak value of the running fundamental frequency of the compressor is large. Through setting up the balancing weight on balancing piece 4, can not influence the dynamic and static balance coefficient of rotating system, but also can effectively improve the unbalanced mass force of assembly body and electromagnetic force, reduce the beat value of compressor, reduce compressor vibration acceleration effective value, reduce compressor operation fundamental frequency peak value.
The compressor includes blast pipe and casing, and the blast pipe stretches into in the casing, and the length that the blast pipe is located the casing is 10 ~ 15mm, stretches into the length of casing through setting up the blast pipe and is 10 ~ 15mm, can balance oil-spitting rate and refrigerant flow loss relation, and it is low to guarantee oil-spitting rate as far as possible, and flow loss is also low relatively.
Further, when the compressor is operated under a heavy working condition, the pump body assembly compresses a low-pressure refrigerant into a high-temperature high-pressure refrigerant, and the refrigerant is discharged from the upper flange exhaust port and flows out of the oil blocking blades 2 through the circulation holes of the rotor 3. At the moment, a large number of small lubricating oil droplets are doped in a high-temperature and high-pressure refrigerant in a cavity of the compressor, when the oil blocking blade 2 rotates at a high speed, the gas-liquid mixture is in contact with the oil blocking blade 2, the small lubricating oil droplets throw the gas-liquid mixture away along the direction of the tangential line of the movement of the oil blocking blade 2 under the action of centrifugal force, the gas-liquid mixture is in contact with the wall surface of the shell again, and when the high-speed gas-liquid mixture is in contact with the wall surface for multiple times, the small lubricating oil droplets are gathered and settled, the oil returns from the side edges of the stator and flows into an oil pool at the bottom of the compressor, so that the oil blocking effect is realized.
Furthermore, when the compressor runs at a high speed, in order to prevent the oil blocking blade 2 from being wound with the outgoing line, the outgoing line connector is strictly fixed on the insulating framework when the motor stator winding runs, and the running reliability of the compressor is improved.
In another aspect of the present embodiment, an air conditioner is provided, which includes the oil baffle assembly as described above or the compressor as described above.
Example 2
The difference with embodiment 1 lies in that the noise reduction structure includes a groove and/or a protrusion 24, and the groove and/or the protrusion 24 is disposed on the outer wall of the blade, as shown in fig. 8 and 9, the oil blocking blade 2 in this embodiment is provided with the protrusion 24, which can reduce the flow resistance of the high-pressure refrigerant and the oil blocking blade 2, and also can reduce the noise during oil blocking operation, thereby improving the use experience.
Further, the protrusions 24 are uniformly provided on the oil deflector 2.
As another embodiment, the oil deflector 2 may be provided with only a groove.
As another embodiment, the oil deflector 2 may be provided with a groove and a protrusion 24.
Example 3
As shown in fig. 10, the difference from the embodiments 1 and 2 is that the oil deflector 2 extends in a C shape along the length direction, and can also perform the function of accelerating the flow of the gas, thereby preventing the oil deflector 2 from obstructing the exhaust gas, increasing the flow rate of the exhaust gas, and reducing the flow loss of the exhaust gas.
Further, the opening of the C-shape is directed substantially toward the downstream side in the gas flow direction, as obliquely upward in fig. 11.
As another embodiment, the oil blocking vane 2 extends linearly along the length direction, that is, the oil blocking vane 2 is a flat plate shape, and can also play a role in driving gas to flow in an accelerated manner.
Example 4
As shown in fig. 11 to 13, the oil baffle assembly includes two base bodies 1, one of which is a first base body 11, and the other is a second base body 12, the first base body 11 is located at an upstream side of the second base body 12 along a flow direction in the exhaust passage, at least two first oil baffle blades 21 are arranged on the first base body 11, at least two second oil baffle blades 22 are arranged on the second base body 12, and by arranging the first base body 11 and the second base body 12, and arranging the first oil baffle blades 21 on the first base body 11, and arranging the second oil baffle blades 22 on the second base body 12, a driving effect on gas can be enhanced, further preventing the oil baffle blades 2 from obstructing exhaust gas, increasing an exhaust gas flow rate, and reducing an exhaust gas flow loss.
Further, the first substrate 11 and the second substrate 12 have the same structure and size, the first substrate 11 and the second substrate 12 are coaxially disposed, and the top surface of the first substrate 11 is connected to the bottom surface of the second substrate 12.
Further, the first oil deflector 21 and the second oil deflector 22 have the same structure, size and setting angle, and the first oil deflector 21 and the second oil deflector 22 are arranged in the axial direction of the first base 11 and the second base 12 in a one-to-one opposite manner.
The angle formed by the rotation direction of the first oil baffle blade 21 and the oil baffle blade 2 is beta, beta is not less than 120 degrees and not more than 160 degrees, the angle formed by the rotation direction of the second oil baffle blade 22 and the oil baffle blade 2 is the same as the angle formed by the rotation direction of the first oil baffle blade 21 and the oil baffle blade 2, namely the angle formed by the rotation direction of the first oil baffle blade 21 and the oil baffle blade 2 and the angle formed by the rotation direction of the second oil baffle blade 22 and the oil baffle blade 2 are the same as the angle formed by the rotation direction of the oil baffle blade 2 and the oil baffle blade 2 in the embodiment 1, and thus the flow of the driving gas can be well ensured.
Example 5
As shown in fig. 14 to 15, the angle formed by the first oil deflector 21 and the rotation direction of the oil deflector 2 is β, β is equal to or greater than 120 ° and equal to or less than 160 °, the angle formed by the second oil deflector 22 and the rotation direction of the oil deflector 2 is γ, γ is equal to or greater than 20 ° and equal to or less than 60 °, that is, the angle formed by the first oil deflector 21 and the second oil deflector 22 is a relationship of complementary angles, so that the pulsation impact of the refrigerant can be reduced, and the flow velocity of the refrigerant is relatively stable.
When keeping off the oil subassembly and including two base members 1, one of them is first base member 11, another is second base member 12, first base member 11 is located second base member 12 along the upstream side of the interior direction of overflowing of exhaust passage, be provided with two at least first fender oil blade 21 on the first base member 11, be provided with two at least second fender oil blade 22 on the second base member 12, the compressor includes blast pipe and casing, the blast pipe stretches into in the casing, the length that the blast pipe is located the casing is 5 ~ 10mm, the length that stretches into the casing through setting up the blast pipe is 5 ~ 10mm, can balance oil yield and refrigerant flow loss relation, guarantee as far as possible that the oil yield is low, flow loss is also relatively low.
The embodiment of the utility model provides a keep off oily subassembly, compressor and air conditioner provided can avoid causing the hindrance to exhausting, improves exhaust flow rate, reduces the exhaust loss of flow.
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 present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (16)
1. The utility model provides a keep off oily subassembly, its characterized in that, keep off oily subassembly setting in exhaust passage, keep off oily subassembly and include base member (1) and fender oil blade (2), the quantity that keeps off oil blade (2) is two at least, two at least keep off oil blade (2) and set up on base member (1), and at least two keep off oil blade (2) and follow the circumference of base member (1) is arranged, it falls the structure of making an uproar to be provided with on oil blade (2).
2. Oil deflector assembly according to claim 1, characterized in that the noise reducing structure comprises noise reducing holes (23) arranged through the thickness of the oil deflector vane (2).
3. Oil deflector assembly according to claim 2, characterized in that the hole area of the noise reduction holes (23) is 10-15% of the area of the oil deflector vane (2).
4. Oil deflector assembly according to claim 1, characterized in that the noise reducing structure comprises grooves and/or protrusions (24), which grooves and/or protrusions (24) are provided on the outer wall of the blade.
5. Oil deflector assembly according to claim 1, characterized in that the base body (1) is cylindrical and the oil deflector vanes (2) are arranged evenly on the peripheral wall of the base body (1) in the circumferential direction of the base body (1).
6. Oil deflector assembly according to claim 1, characterized in that the base body (1) rotates the oil deflector vane (2) to increase the flow velocity of the gas in the exhaust channel.
7. The oil baffle assembly according to claim 6, wherein the oil baffle blade (2) is long-strip-shaped, one long side of the oil baffle blade (2) is connected with the base body (1), a connecting line of two ends of the oil baffle blade (2) along the length direction is L, the L and the rotation direction of the oil baffle blade (2) form an angle alpha, and the angle alpha is more than or equal to 120 degrees and less than or equal to 160 degrees.
8. The oil baffle assembly according to claim 1, wherein the oil baffle blade (2) is long-strip-shaped, one long side of the oil baffle blade (2) is connected with the base body (1), and the oil baffle blade (2) extends in an S shape, a C shape or a straight line along the length direction.
9. Oil deflector assembly according to claim 1, characterized in that the oil deflector assembly comprises two base bodies (1), one of which is a first base body (11) and the other of which is a second base body (12), the first base body (11) being located on the upstream side of the second base body (12) in the flow direction in the exhaust channel, at least two first oil deflector vanes (21) being provided on the first base body (11), and at least two second oil deflector vanes (22) being provided on the second base body (12).
10. The oil deflector assembly of claim 9, characterized in that the angle of the first oil deflector vane (21) to the direction of rotation of the oil deflector vane (2) is β, 120 ° ≦ β ≦ 160 °, and the angle of the second oil deflector vane (22) to the direction of rotation of the oil deflector vane (2) is the same as the angle of the first oil deflector vane (21) to the direction of rotation of the oil deflector vane (2);
or the like, or, alternatively,
the angle formed by the first oil blocking blade (21) and the rotation direction of the oil blocking blade (2) is beta, beta is more than or equal to 120 degrees and less than or equal to 160 degrees, the angle formed by the second oil blocking blade (22) and the rotation direction of the oil blocking blade (2) is gamma, and gamma is more than or equal to 20 degrees and less than or equal to 60 degrees.
11. A compressor, characterized by comprising an oil deflector assembly as claimed in any one of claims 1 to 10.
12. Compressor according to claim 11, characterized in that it comprises a crankshaft on which the base body (1) is fitted.
13. Compressor according to claim 11, characterized in that it comprises a rotor (3), on which rotor (3) a counterweight (4) is arranged, the base body (1) being in contact with the counterweight (4).
14. The compressor of claim 11, wherein the compressor comprises an exhaust pipe and a shell, the exhaust pipe extends into the shell, and the length of the exhaust pipe in the shell is 10-15 mm.
15. The compressor according to claim 11, wherein when the oil blocking assembly comprises two base bodies (1), one of the two base bodies is a first base body (11), and the other is a second base body (12), the first base body (11) is located at an upstream side of the second base body (12) along the flow passing direction in the exhaust passage, the first base body (11) is provided with at least two first oil blocking vanes (21), and the second base body (12) is provided with at least two second oil blocking vanes (22), the compressor comprises an exhaust pipe and a housing, the exhaust pipe extends into the housing, and the exhaust pipe is located in the housing and has a length of 5-10 mm.
16. An air conditioner characterized by comprising the oil deflector assembly of any one of claims 1 to 10 or the compressor of any one of claims 11 to 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121566869.4U CN215170781U (en) | 2021-07-08 | 2021-07-08 | Oil blocking assembly, compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121566869.4U CN215170781U (en) | 2021-07-08 | 2021-07-08 | Oil blocking assembly, compressor and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215170781U true CN215170781U (en) | 2021-12-14 |
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ID=79397304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121566869.4U Active CN215170781U (en) | 2021-07-08 | 2021-07-08 | Oil blocking assembly, compressor and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215170781U (en) |
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2021
- 2021-07-08 CN CN202121566869.4U patent/CN215170781U/en active Active
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