CN210799364U - Compressor and air conditioning unit - Google Patents
Compressor and air conditioning unit Download PDFInfo
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- CN210799364U CN210799364U CN201921236455.8U CN201921236455U CN210799364U CN 210799364 U CN210799364 U CN 210799364U CN 201921236455 U CN201921236455 U CN 201921236455U CN 210799364 U CN210799364 U CN 210799364U
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- compressor
- bearing
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- rotor
- water conservancy
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Abstract
The utility model discloses a compressor and an air conditioning unit, wherein the compressor comprises a shell, and the shell comprises a motor cavity and a bearing cavity which are mutually communicated; the rotor is arranged in the shell, and a rotating shaft of the rotor penetrates through the bearing cavity and then is positioned in the motor cavity; the sealing element, the sealing element cover is established in the periphery of pivot, the sealing element be used for with the motor chamber with the bearing chamber is kept apart, the sealing element with be formed with the water conservancy diversion annular on the internal face that the pivot corresponds. The utility model discloses a compressor is through setting up the sealing member and set up the water conservancy diversion annular on the sealing member, because the pivot is high-speed to be rotated, refrigerant gas around the pivot is also along with high-speed rotation, and high-speed pivoted gas gets into behind the water conservancy diversion annular again under the effect of centrifugal force and is thrown away by the water conservancy diversion annular to prevent that refrigerant gas from directly getting into the bearing chamber and blowing away lubricating oil, it is not enough to eliminate the bearing lubrication, prevents that the bearing from generating heat for a long time and seriously leading to ine.
Description
Technical Field
The utility model relates to a compressor technical field, concretely relates to compressor and air conditioning unit.
Background
The screw compressor is provided with a cylindrical roller bearing and an angular contact bearing which bear radial force and axial force generated in the rotor compression process at shaft sections on two sides of a male rotor and a female rotor, and the male rotor and the female rotor achieve the purposes of cooling and lubricating by injecting oil to the bearing positions in the high-speed rotation process. When the oil supply is too small, the lubricating and cooling effects of the bearing position are insufficient, and the bearing failure risk is increased. And when the gaseous refrigerant of both sides passes through the bearing oil storage position, can blow away the oil spout to lead to bearing lubrication and cooling inadequately.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a compressor and air conditioning unit, when having solved gaseous refrigerant and having passed through bearing trapped fuel position, can blow away the problem of oil spout.
According to one aspect of the utility model, a compressor is disclosed, which comprises a shell, wherein the shell comprises a motor cavity and a bearing cavity which are mutually communicated; the rotor is arranged in the shell, and a rotating shaft of the rotor penetrates through the bearing cavity and then is positioned in the motor cavity; the sealing element, the sealing element cover is established in the periphery of pivot, the sealing element be used for with the motor chamber with the bearing chamber is kept apart, the sealing element with be formed with the water conservancy diversion annular on the internal face that the pivot corresponds.
Furthermore, a through hole for passing through the rotating shaft is formed in the sealing element, and the inner wall surface of the through hole is provided with the flow guide ring groove.
Furthermore, the number of the diversion ring grooves is one or more, and each diversion ring groove is provided with an inclined surface which inclines towards one side of the motor cavity.
Further, the water conservancy diversion annular is V type groove, one side of water conservancy diversion annular is vertical face, the opposite side is the inclined plane towards motor chamber one side slope.
Further, the outer surface of the rotating shaft is in clearance fit with the inner wall surface of the through hole.
Furthermore, the water conservancy diversion annular is a plurality of, and is a plurality of water conservancy diversion annular links to each other ground parallel arrangement in order.
Further, still include: the bearing is sleeved on the rotating shaft and is positioned in the bearing cavity; the rotating shaft is further provided with an oil throwing groove, the oil throwing groove is located in the bearing cavity, and the oil throwing groove is used for throwing lubricating oil to the bearing.
Further, the oil throwing groove is located on one side, close to the motor cavity, of the bearing.
Furthermore, get rid of the oil groove and be a plurality of, a plurality of get rid of oil groove and be linked to each other ground parallel arrangement in order.
Further, the compressor comprises a screw compressor.
Further, the rotor is a male rotor.
According to another aspect of the utility model, an air conditioning unit is disclosed, including foretell compressor.
The utility model discloses a compressor is through setting up the sealing member and set up the water conservancy diversion annular on the sealing member, because the pivot is high-speed to be rotated, refrigerant gas around the pivot is also along with high-speed rotation, and high-speed pivoted gas gets into behind the water conservancy diversion annular again under the effect of centrifugal force and is thrown away by the water conservancy diversion annular to prevent that refrigerant gas from directly getting into the bearing chamber and blowing away lubricating oil, it is not enough to eliminate the bearing lubrication, prevents that the bearing from generating heat for a long time and seriously leading to ine.
Drawings
Fig. 1 is a schematic structural diagram of a compressor according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a partial enlarged view of B in FIG. 2;
FIG. 4 is a schematic structural diagram of a sealing member according to an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion C of FIG. 4;
legend: 10. a housing; 11. a motor cavity; 12. a bearing cavity; 13. a rotor cavity; 20. a rotor; 21. a rotating shaft; 211. an oil throwing groove; 22. a rotor body; 30. a seal member; 31. a through hole; 311. a flow guide ring groove; 40. and a bearing.
Detailed Description
The present invention is further illustrated by the following examples, but is not limited to the contents of the specification.
As shown in fig. 1 to 4, according to an aspect of the present invention, there is disclosed a compressor including a housing 10, a rotor 20, and a sealing member 30, the housing 10 including a motor chamber 11, a bearing chamber 12, and a rotor chamber 13 which communicate with each other; the rotor 20 is installed in the housing 10, the rotor 20 includes a rotating shaft 21 and a rotor body 22, the rotor body 22 is located in the rotor cavity 13, and the rotating shaft 21 of the rotor 20 penetrates through the bearing cavity 12 and then is located in the motor cavity 11; the sealing element 30 is sleeved on the periphery of the rotating shaft 21, the sealing element 30 is used for isolating the motor cavity 11 from the bearing cavity 12, and a flow guide ring groove 311 is formed on the inner wall surface of the sealing element 30 corresponding to the rotating shaft 21. The utility model discloses a compressor is through setting up sealing member 30 and set up water conservancy diversion annular 311 on sealing member 30, because the high-speed rotation of pivot 21, refrigerant gas around the pivot 21 is also along with high-speed rotation, and high-speed pivoted gas gets into behind the water conservancy diversion annular 311 and is thrown away by water conservancy diversion annular 311 again under the effect of centrifugal force to prevent that refrigerant gas from directly getting into bearing chamber 12 and blowing away lubricating oil, eliminate the bearing lubrication not enough, prevent that the bearing from generating heat for a long time and seriously leading to inefficacy.
In the above embodiment, the sealing member 30 is provided with the through hole 31 for passing the rotating shaft 21, and the inner wall surface of the through hole 31 is formed with the guide ring groove 311. The utility model discloses a compressor is through setting up through-hole 31 on sealing member 30 to set up water conservancy diversion annular 311 on the inner wall of through-hole 31, because the high-speed pivoted of pivot 21, refrigerant gas around the pivot 21 also along with high-speed the rotation, high-speed pivoted gas gets into behind the water conservancy diversion annular 311 edge and is thrown away by water conservancy diversion annular 311 again, thereby prevents that refrigerant gas from directly getting into bearing chamber 12 and blowing away lubricating oil, eliminates the bearing lubrication not enough, prevents that the bearing from generating heat for a long time and seriously leading to inefficacy.
In the above embodiment, one or more guide ring grooves 311 are provided, and each guide ring groove 311 has an inclined surface inclined toward the motor cavity 11 side. The utility model discloses a compressor, when pivot 21 rotated at a high speed, refrigerant gas around the pivot 21 also along with high-speed rotation, throws away along the inclined plane under the effect of centrifugal force behind the high-speed pivoted gas entering water conservancy diversion annular 311, and the inclined plane is towards motor chamber 11 lopsidedness, and consequently, refrigerant gas is thrown away to motor chamber 11 direction to prevent that refrigerant gas from directly getting into bearing chamber 12 and blowing away lubricating oil, eliminate the bearing lubrication not enough, prevent that the bearing from generating heat for a long time and seriously leading to inefficacy.
In the embodiment of fig. 1 and 4, the diversion ring groove 311 is a V-shaped groove, one side of the diversion ring groove 311 is a vertical surface, and the other side is an inclined surface inclined towards one side of the motor cavity 11. The utility model discloses a compressor, when pivot 21 rotated at a high speed, refrigerant gas around the pivot 21 also along with high-speed rotation, throws away along the inclined plane under the effect of centrifugal force behind the high-speed pivoted gas entering water conservancy diversion annular 311, and the inclined plane is towards motor chamber 11 lopsidedness, and consequently, refrigerant gas is thrown away to motor chamber 11 direction to prevent that refrigerant gas from directly getting into bearing chamber 12 and blowing away lubricating oil, eliminate the bearing lubrication not enough, prevent that the bearing from generating heat for a long time and seriously leading to inefficacy.
In the above embodiment, the outer surface of the rotary shaft 21 is in clearance fit with the inner wall surface of the through hole 31. By the clearance fit, the rotor 20 is not affected in rotation while the refrigerant gas is prevented from blowing into the bearing cavity 12.
In the above embodiment, the number of the guide ring grooves 311 is plural, and the plurality of guide ring grooves 311 are connected in series and arranged in parallel. Through setting up a plurality of water conservancy diversion annular 311, the gaseous state refrigerant that has blockked the motor chamber blows in, has reduced the direct loss of refrigerant, has prevented the unable complete cooling of bearing and lubricated problem.
In the above embodiment, the method further includes: the bearing 40 is sleeved on the rotating shaft 21 and is positioned in the bearing cavity 12; the rotating shaft 21 is further provided with an oil throwing groove 211, the oil throwing groove 211 is located in the bearing cavity 12, and the oil throwing groove 211 is used for throwing lubricating oil to the bearing 40. The utility model discloses a bearing 40 gets rid of oil groove 211 through the setting, and when the refrigeration oil got into bearing chamber 12, through the rotation of axle, oil was along with getting rid of the oblique side of oil groove 211 and carrying out the centrifugation and get rid of oil, will drip to break up, and on oil spout 40, more comprehensive the contact of having strengthened refrigeration oil and bearing. Further, the supply of the compressor refrigeration oil can be appropriately reduced. It can be understood that the oil slinger 211 is located on the side of the bearing 40 close to the motor cavity 11 to provide a direction for the direction of the refrigerant oil to prevent the refrigerant oil from flowing backwards.
In the above embodiment, the oil slinger 211 is provided in plurality, and the oil slinger 211 is arranged in parallel in series. The oil throwing effect and the reliability can be improved by arranging the plurality of oil throwing grooves 211.
In the above embodiments, the compressor comprises a screw compressor, and the rotor 20 is a male rotor.
According to another aspect of the utility model, still disclose an air conditioning unit, including foretell compressor.
It is to be understood that the above-described embodiments of the present invention are merely examples provided for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.
Claims (12)
1. A compressor, characterized by comprising
The bearing device comprises a shell (10), wherein the shell (10) comprises a motor cavity (11) and a bearing cavity (12) which are communicated with each other;
the rotor (20), the rotor (20) is installed in the housing (10), and a rotating shaft (21) of the rotor (20) penetrates through the bearing cavity (12) and then is located in the motor cavity (11);
sealing member (30), sealing member (30) cover is established in the periphery of pivot (21), sealing member (30) be used for with motor chamber (11) with bearing chamber (12) are kept apart, sealing member (30) with be formed with water conservancy diversion annular (311) on the internal wall face that pivot (21) correspond.
2. The compressor of claim 1,
the sealing element (30) is provided with a through hole (31) used for passing through the rotating shaft (21), and the inner wall surface of the through hole (31) is provided with the flow guide ring groove (311).
3. The compressor of claim 1,
the number of the flow guide ring grooves (311) is one or more, and each flow guide ring groove (311) is provided with an inclined surface which inclines towards one side of the motor cavity (11).
4. The compressor of claim 1,
the water conservancy diversion annular (311) is V type groove, one side of water conservancy diversion annular (311) is vertical face, the opposite side is the inclined plane towards motor chamber (11) one side slope.
5. The compressor of claim 2,
the outer surface of the rotating shaft (21) is in clearance fit with the inner wall surface of the through hole (31).
6. The compressor of claim 1,
the flow guide ring grooves (311) are multiple, and the flow guide ring grooves (311) are sequentially connected and arranged in parallel.
7. The compressor of claim 1, further comprising:
the bearing (40), the said bearing (40) is fitted over the said spindle (21) and located in the said bearing cavity (12);
still be provided with on pivot (21) and get rid of oil groove (211), get rid of oil groove (211) and be located bearing chamber (12), get rid of oil groove (211) and be used for getting rid of lubricating oil to bearing (40).
8. The compressor of claim 7,
the oil throwing groove (211) is positioned on one side of the bearing (40) close to the motor cavity (11).
9. The compressor of claim 7,
the oil throwing grooves (211) are arranged in series and are arranged in parallel, and the oil throwing grooves (211) are connected in sequence.
10. The compressor of any one of claims 1 to 9,
the compressor comprises a screw compressor.
11. The compressor of claim 10,
the rotor (20) is a male rotor.
12. Air conditioning assembly, characterized in that it comprises a compressor according to any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921236455.8U CN210799364U (en) | 2019-08-01 | 2019-08-01 | Compressor and air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921236455.8U CN210799364U (en) | 2019-08-01 | 2019-08-01 | Compressor and air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210799364U true CN210799364U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921236455.8U Active CN210799364U (en) | 2019-08-01 | 2019-08-01 | Compressor and air conditioning unit |
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| Country | Link |
|---|---|
| CN (1) | CN210799364U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332118A (en) * | 2019-08-01 | 2019-10-15 | 珠海格力电器股份有限公司 | Compressor and air-conditioner set with water conservancy diversion annular groove |
-
2019
- 2019-08-01 CN CN201921236455.8U patent/CN210799364U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332118A (en) * | 2019-08-01 | 2019-10-15 | 珠海格力电器股份有限公司 | Compressor and air-conditioner set with water conservancy diversion annular groove |
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