CN212615251U - Crankshaft, motion assembly and compressor - Google Patents
Crankshaft, motion assembly and compressor Download PDFInfo
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- CN212615251U CN212615251U CN202021399583.7U CN202021399583U CN212615251U CN 212615251 U CN212615251 U CN 212615251U CN 202021399583 U CN202021399583 U CN 202021399583U CN 212615251 U CN212615251 U CN 212615251U
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Abstract
The utility model provides a bent axle, motion subassembly and compressor, the bent axle includes the main shaft and sets up at the epaxial crank of owner, and the bent axle still includes: the lubricating channel is arranged on the main shaft and used for conveying the refrigeration oil; the first oil guide channel is arranged on the crank, one end of the crank, which is far away from the main shaft, is a far end, the first end of the oil guide channel is communicated with the lubricating channel, and the second end of the oil guide channel is positioned at the far end; the second leads the oil passageway, sets up at the distal end, and the second leads oil passageway and leads oil passageway intercommunication with first, and the export of oil passageway is set up to the outside towards the crank along the radial of crank to the second. Because the outlet of the second oil guide channel extends towards the outer part of the crank along the radial direction of the crank, at least one part of the frozen oil conveyed to the far end of the crank enters the second oil guide channel and is output along the radial direction of the crank, the conveying amount of the frozen oil output from the first oil guide channel along the axial direction of the crank is avoided or reduced, and the axial output distance of the frozen oil along the crank is reduced.
Description
Technical Field
The utility model relates to a compressor technical field particularly, relates to a bent axle, motion subassembly and compressor.
Background
Along with the development of the high-efficiency refrigerator, the technical key is to solve the oiling problem and the oil discharging problem of the refrigeration oil while improving the performance of the compressor. In the present piston compressor, an oil supply pump is adopted for supplying oil to a crankshaft, the oil pumping rate is high, the refrigerant oil flows upwards through a channel on the crankshaft, and the refrigerant oil is thrown to an upper shell and falls down in an umbrella shape, so that the effects of reducing the temperature in the shell and lubricating a structural member are achieved.
This pump oil scheme has the characteristics that the fuel feeding is big, fuel feeding wide range, but there is the uncertainty in the exit oil circuit of bent axle, and the axis output distance of freezing oil along the bent axle is far away (can understand also that it is high to apply oil), can throw the freezing oil into the muffler induction port, and this can lead to the freezing oil along with compressed gas discharge more, has reduced the lubricated effect of connecting rod piston motion subassembly, consequently needs the improvement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bent axle, motion subassembly and compressor to guide the refrigeration oil from bent axle output, reduce the axial output distance of refrigeration oil along the bent axle.
In order to achieve the above object, according to an aspect of the present invention, the present invention provides a crankshaft, the crankshaft includes a main shaft and a crank provided on the main shaft, the crankshaft further includes: the lubricating channel is arranged on the main shaft and is used for conveying refrigeration oil; the first oil guide channel is arranged on the crank, one end of the crank, which is far away from the main shaft, is a far end, the first end of the oil guide channel is communicated with the lubricating channel, and the second end of the oil guide channel is positioned at the far end; and the second oil guide channel is arranged at the far end and communicated with the first oil guide channel, and an outlet of the second oil guide channel is arranged to face the outer part of the crank along the radial direction of the crank.
Further, be provided with the oil groove in the crank, the oil groove with lubricated passageway intercommunication, first oil channel of leading is located on the inner wall of oil groove.
Further, the crankshaft is rotatably disposed, the first oil guide channel is a spiral groove, and the rotation direction of the first oil guide channel is opposite to the rotation direction of the crankshaft.
Further, the crankshaft further includes: and the oil outlet channel penetrates through the side wall of the crank, is communicated with the oil groove, and is spaced from the second oil guide channel.
Further, the second oil guide channel extends along the radial direction of the crank, and the second oil guide channel is communicated with the second end of the first oil guide channel; and/or the first end of the first oil guide channel is positioned at the bottom of the oil groove, the oil outlet channel is communicated with the first end of the first oil guide channel, and the oil outlet channel extends along the radial direction of the crank.
Further, the bent axle still includes the cooperation piece, the main shaft, the cooperation piece with the crank connects gradually, the bent axle still includes: the oil inlet channel penetrates through the matching block, one end of the oil inlet channel is communicated with the oil groove, and the other end of the oil inlet channel is communicated with the lubricating channel.
Further, the lubrication channel includes: the main oil through hole is arranged inside the main shaft and extends along the axial direction of the main shaft; the outer spiral oil guide groove is formed in the outer wall of the main shaft, one end of the outer spiral oil guide groove is communicated with the main oil through hole, and the other end of the outer spiral oil guide groove is communicated with the first oil guide channel.
Further, the bent axle still includes the cooperation piece, the main shaft, the cooperation piece with the crank connects gradually, the bent axle still includes: and the inlet of the auxiliary oil through hole is communicated with the main oil through hole, and the outlet of the auxiliary oil through hole is positioned on the end surface, far away from the main shaft, of the matching block.
According to the utility model discloses a further aspect provides a motion subassembly, the motion subassembly includes connecting rod, piston and foretell bent axle, the crank of bent axle is worn to establish in the first pilot hole of connecting rod, the piston with the cooperation of the second pilot hole of connecting rod.
Furthermore, an outlet of the oil outlet channel of the crankshaft is positioned between the outer wall of the crank and the inner wall of the first assembling hole, a third oil guide channel is arranged in the connecting rod, and the first assembling hole is communicated with the second assembling hole through the third oil guide channel; and in the process that the crank rotates relative to the connecting rod, the oil outlet channel and the third oil guide channel have a communication state and a disconnection state which are alternately switched.
According to another aspect of the present invention, there is provided a compressor comprising the above-mentioned moving assembly.
Use the technical scheme of the utility model, a bent axle is provided, the bent axle includes the main shaft and sets up at the epaxial crank of owner, and the bent axle still includes: the lubricating channel is arranged on the main shaft and used for conveying the refrigeration oil; the first oil guide channel is arranged on the crank, one end of the crank, which is far away from the main shaft, is a far end, the first end of the oil guide channel is communicated with the lubricating channel, and the second end of the oil guide channel is positioned at the far end; the second leads the oil passageway, sets up at the distal end, and the second leads oil passageway and leads oil passageway intercommunication with first, and the export of oil passageway is set up to the outside towards the crank along the radial of crank to the second. Adopt this scheme, the first oil guide channel on lubrication channel on the accessible main shaft and the crank carries the refrigeration oil to cool off and lubricate other structures, owing to be provided with the second oil guide channel, and the export of the second oil guide channel extends towards the crank outside along the radial of crank, carry like this that at least some in the refrigeration oil of crank distal end can enter into the second oil guide channel and along the radial output of crank, avoided or reduced like this from the refrigeration oil of first oil guide channel output along the axial transport capacity of bent axle, reduced the axial output distance of refrigeration oil along the bent axle. The crankshaft is applied to the compressor, so that the phenomenon that the refrigerating oil output from the crankshaft enters the air suction port of the silencer can be avoided or reduced, the refrigerating oil is discharged out of the compressor, and the lubricating and cooling effects on the internal structure of the compressor are improved.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural diagram of a crankshaft provided by an embodiment of the present invention;
FIG. 2 shows a top view of the crankshaft of FIG. 1;
FIG. 3 shows a cross-sectional view of a crank of the crankshaft of FIG. 1;
fig. 4 shows a schematic structural diagram of a motion assembly provided by an embodiment of the present invention;
fig. 5 shows a schematic structural diagram of a compressor according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
11. a main shaft; 12. a crank; 13. a matching block; 21. a lubrication channel; 211. a main oil through hole; 212. an external spiral oil guide groove; 22. a first oil guide channel; 23. a second oil guide channel; 24. an oil sump; 25. an oil outlet channel; 26. an oil inlet channel; 27. an auxiliary oil through hole; 30. a connecting rod; 31. a third oil guide channel; 40. a piston; 50. a housing; 60. an oil supply pump.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in the drawings, the embodiment of the present invention provides a crankshaft, the crankshaft includes a main shaft 11 and a crank 12 disposed on the main shaft 11, the crankshaft further includes: a lubrication passage 21 provided on the main shaft 11, the lubrication passage 21 being used to convey the refrigerant oil; the first oil guide channel 22 is arranged on the crank 12, one end of the crank 12, which is far away from the main shaft 11, is a far end, the first end of the oil guide channel is communicated with the lubricating channel 21, and the second end of the oil guide channel is positioned at the far end; and a second oil guide passage 23 provided at a distal end, the second oil guide passage 23 communicating with the first oil guide passage 22, an outlet of the second oil guide passage 23 being provided toward an outside of the crank 12 in a radial direction of the crank 12.
By adopting the scheme, the refrigeration oil can be conveyed through the lubricating channel 21 on the main shaft 11 and the first oil guide channel 22 on the crank 12 to cool and lubricate other structures, and as the second oil guide channel 23 is arranged on the crank 12 and the outlet of the second oil guide channel 23 extends towards the outside of the crank 12 along the radial direction of the crank 12, at least a part of the refrigeration oil conveyed to the far end of the crank 12 enters the second oil guide channel 23 and is output along the radial direction of the crank 12, so that the conveying amount of the refrigeration oil output from the first oil guide channel 22 along the axial direction of the crank is avoided or reduced, and the axial output distance of the refrigeration oil along the crank is reduced. The crankshaft is applied to the compressor, so that the phenomenon that the refrigerating oil output from the crankshaft enters the air suction port of the silencer can be avoided or reduced, the refrigerating oil is discharged out of the compressor, and the lubricating and cooling effects on the internal structure of the compressor are improved. Wherein the axis of the crank 12 and the axis of the main shaft 11 are spaced apart. Refrigeration oil is also understood to be lubricating oil.
In the present embodiment, an oil groove 24 is provided in the crank 12, the oil groove 24 communicates with the lubrication passage 21, and the first oil guide passage 22 is located on an inner wall of the oil groove 24. The oil groove 24 may receive the refrigerant oil input from the lubrication passage 21 and then the refrigerant oil input to the first oil guide passage 22. The first oil guide passage 22 is provided on the inner wall of the oil groove 24 instead of the outer wall of the crank 12, which improves the structural strength of the crank 12.
In the present embodiment, the crankshaft is rotatably disposed, the first oil guide passage 22 is a spiral groove, and the rotation direction of the first oil guide passage 22 is opposite to the rotation direction of the crankshaft. With the arrangement, during the rotation of the crankshaft, the refrigerant oil can flow in the first oil guide passage 22 by the centrifugal force and the spiral structure of the first oil guide passage 22, so that the flow of the refrigerant oil is facilitated. When the crankshaft is arranged in a vertical mode, the refrigerant oil can flow upwards from the bottom of the crankshaft.
In this embodiment, the crankshaft further includes: an oil outlet channel 25, wherein the oil outlet channel 25 penetrates through the side wall of the crank 12, the oil outlet channel 25 is communicated with the oil groove 24, and the oil outlet channel 25 is separated from the second oil guide channel 23. Through setting up out oil passageway 25, can shunt a part of refrigeration oil in the oil groove 24 to go out in the oil passageway 25 to export from going out oil passageway 25, can lubricate the outer wall isotructure of crank 12 like this, richened lubricated effect.
In the present embodiment, the second oil guide passage 23 extends in the radial direction of the crank 12, and the second oil guide passage 23 communicates with the second end of the first oil guide passage 22, which facilitates the radial output of the refrigerant oil from the crank 12. The first end of the first oil guide passage 22 is located at the bottom of the oil groove 24, the oil outlet passage 25 communicates with the first end of the first oil guide passage 22, and the oil outlet passage 25 extends in the radial direction of the crank 12. This facilitates the split of the refrigeration oil, i.e., a portion of the refrigeration oil enters the first oil guide passage 22 and another portion of the refrigeration oil enters the oil outlet passage 25.
In this embodiment, the crankshaft further includes a fitting block 13, the main shaft 11, the fitting block 13, and the crank 12 are sequentially connected, and the crankshaft further includes: and the oil inlet passage 26, wherein the oil inlet passage 26 penetrates through the matching block 13, one end of the oil inlet passage 26 is communicated with the oil groove 24, and the other end of the oil inlet passage 26 is communicated with the lubricating passage 21. The introduction of the refrigerant oil in the lubrication passage 21 into the oil sump 24 is facilitated by the provision of the oil feed passage 26.
In the present embodiment, the lubrication passage 21 includes: a main oil through hole 211 provided inside the main shaft 11, the main oil through hole 211 extending in an axial direction of the main shaft 11; and an outer spiral oil groove 212 provided on an outer wall of the main shaft 11, one end of the outer spiral oil groove 212 communicating with the main oil passing hole 211, and the other end of the outer spiral oil groove 212 communicating with the first oil guiding passage 22. The main oil passage hole 211 is used to receive the freezing oil supplied from the oil pump, and then supply the freezing oil into the crank 12 through the outer spiral oil groove 212. The outer helical oil groove 212 has a helical structure, which facilitates the flow of the refrigerant oil under the centrifugal force.
In this embodiment, the crankshaft further includes a fitting block 13, the main shaft 11, the fitting block 13, and the crank 12 are sequentially connected, and the crankshaft further includes: and an auxiliary oil through hole 27, wherein the inlet of the auxiliary oil through hole 27 is communicated with the main oil through hole 211, and the outlet of the auxiliary oil through hole 27 is positioned on the end surface of the matching block 13 far away from the main shaft 11. A part of the refrigeration oil in the main oil through hole 211 can be conveyed to the end face, far away from the main shaft 11, of the matching block 13 through the auxiliary oil through hole 27, so that the end face of the matching block 13 can be lubricated, and abrasion is reduced.
Another embodiment of the utility model provides a motion subassembly, motion subassembly include connecting rod 30, piston 40 and foretell bent axle, and the crank 12 of bent axle is worn to establish in the first pilot hole of connecting rod 30, and piston 40 cooperates with the second pilot hole of connecting rod 30. This allows the reciprocating movement of the piston 40 by the rotation of the crankshaft.
Specifically, the outlet of the oil outlet channel 25 of the crankshaft is positioned between the outer wall of the crank 12 and the inner wall of the first assembly hole, a third oil guide channel 31 is arranged in the connecting rod 30, and the third oil guide channel 31 communicates the first assembly hole and the second assembly hole; during the rotation of the crank 12 relative to the connecting rod 30, the oil outlet passage 25 and the third oil guide passage 31 have a communication state and a disconnection state which are alternately switched. With this arrangement, when the oil outlet passage 25 is rotated to an appropriate angle, the oil outlet passage 25 communicates with the third oil guide passage 31, so that the refrigerant oil in the oil outlet passage 25 is introduced into the second fitting hole through the third oil guide passage 31, thereby cooling the piston 40. When the oil outlet passage 25 is not communicated with the third oil guide passage 31, the refrigerant oil in the oil outlet passage 25 is delivered to between the outer wall of the crank 12 and the inner wall of the first fitting hole for lubrication. Therefore, the arrangement can lubricate a plurality of structures, and the service life is prolonged.
Another embodiment of the present invention provides a compressor, which includes the above-mentioned moving assembly.
Further, the compressor further includes: a housing 50, the moving assembly being disposed within the housing 50, the bottom of the housing 50 having an oil sump; an oil feed pump 60, the oil feed pump 60 cooperating with the crankshaft of the moving assembly to feed the refrigerant oil in the oil sump into the lubrication passage 21 of the crankshaft; the silencer is arranged above the crankshaft to play a role in silencing.
This scheme adopts inside spiral to lead the oil groove structure, makes the refrigeration oil rise through the effect of centrifugal force in that the crank is inside, and the oil outlet on the crank has the reposition of redundant personnel effect, and the refrigeration oil of branch out can lubricate the crank external diameter, can pass through the central oilhole lubricating piston of connecting rod again, and the refrigeration oil that rises passes through the water conservancy diversion structure and guides lubricated whole core of oil circuit, and the effect of water conservancy diversion structure is the guide oil circuit and reduces the height of oiling. This scheme can reduce the oil extraction rate, reduces piston wearing and tearing to improve the intensity of crank.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A crankshaft, characterized in that it comprises a main shaft (11) and a crank (12) arranged on the main shaft (11), the crankshaft further comprising:
a lubrication channel (21) arranged on the main shaft (11), wherein the lubrication channel (21) is used for conveying refrigeration oil;
the first oil guide channel (22) is arranged on the crank (12), one end, far away from the main shaft (11), of the crank (12) is a far end, the first end of the oil guide channel is communicated with the lubricating channel (21), and the second end of the oil guide channel is located at the far end;
a second oil guide passage (23) provided at the distal end, the second oil guide passage (23) communicating with the first oil guide passage (22), an outlet of the second oil guide passage (23) being provided toward an outside of the crank (12) in a radial direction of the crank (12).
2. A crankshaft according to claim 1, characterized in that an oil groove (24) is provided in the crank (12), the oil groove (24) communicating with the lubrication channel (21), the first oil guide channel (22) being located on the inner wall of the oil groove (24).
3. A crankshaft according to claim 2, characterized in that the crankshaft is rotatably arranged, the first oil guiding channel (22) is a spiral groove, and the direction of rotation of the first oil guiding channel (22) is opposite to the direction of rotation of the crankshaft.
4. The crankshaft of claim 2, further comprising:
an oil outlet passage (25), the oil outlet passage (25) passing through a side wall of the crank (12), the oil outlet passage (25) communicating with the oil groove (24), the oil outlet passage (25) being spaced apart from the second oil guide passage (23).
5. A crankshaft according to claim 4,
the second oil guide channel (23) extends along the radial direction of the crank (12), and the second oil guide channel (23) is communicated with the second end of the first oil guide channel (22); and/or the presence of a gas in the gas,
the first end of the first oil guide channel (22) is located at the bottom of the oil groove (24), the oil outlet channel (25) is communicated with the first end of the first oil guide channel (22), and the oil outlet channel (25) extends along the radial direction of the crank (12).
6. A crankshaft according to claim 2, characterized in that it further comprises a mating block (13), said main shaft (11), said mating block (13) and said crank (12) being connected in sequence, said crankshaft further comprising:
the oil inlet channel (26), the oil inlet channel (26) break through cooperation piece (13), the one end of oil inlet channel (26) with oil groove (24) intercommunication, the other end of oil inlet channel (26) with lubricated passageway (21) intercommunication.
7. A crankshaft according to any of claims 1-6, wherein the lubrication channel (21) comprises:
a main oil through hole (211) provided inside the main shaft (11), the main oil through hole (211) extending in an axial direction of the main shaft (11);
the outer spiral oil guide groove (212) is arranged on the outer wall of the main shaft (11), one end of the outer spiral oil guide groove (212) is communicated with the main oil through hole (211), and the other end of the outer spiral oil guide groove (212) is communicated with the first oil guide channel (22).
8. A crankshaft according to claim 7, characterized in that it further comprises a mating block (13), said main shaft (11), said mating block (13) and said crank (12) being connected in sequence, said crankshaft further comprising:
the auxiliary oil through hole (27), the inlet of the auxiliary oil through hole (27) is communicated with the main oil through hole (211), and the outlet of the auxiliary oil through hole (27) is located on the end face, far away from the main shaft (11), of the matching block (13).
9. A kinematic assembly, characterized in that it comprises a connecting rod (30), a piston (40) and a crankshaft according to any one of claims 1 to 8, the crank (12) of which is inserted in a first assembly hole of the connecting rod (30), the piston (40) cooperating with a second assembly hole of the connecting rod (30).
10. The kinematic assembly according to claim 9, characterized in that the crankshaft is according to claim 4, the outlet of the oil outlet channel (25) of the crankshaft is located between the outer wall of the crank (12) and the inner wall of the first assembly hole, a third oil guide channel (31) is provided in the connecting rod (30), the third oil guide channel (31) communicating the first assembly hole and the second assembly hole; wherein, in the process that the crank (12) rotates relative to the connecting rod (30), the oil outlet channel (25) and the third oil guide channel (31) have a communication state and a disconnection state which are alternately switched.
11. A compressor, characterized in that it comprises a kinematic assembly according to claim 9 or 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021399583.7U CN212615251U (en) | 2020-07-15 | 2020-07-15 | Crankshaft, motion assembly and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021399583.7U CN212615251U (en) | 2020-07-15 | 2020-07-15 | Crankshaft, motion assembly and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212615251U true CN212615251U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021399583.7U Active CN212615251U (en) | 2020-07-15 | 2020-07-15 | Crankshaft, motion assembly and compressor |
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| Country | Link |
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| CN (1) | CN212615251U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856967A (en) * | 2022-06-02 | 2022-08-05 | 珠海格力电器股份有限公司 | Crankshaft and compressor |
| CN114992091A (en) * | 2022-07-12 | 2022-09-02 | 珠海格力电器股份有限公司 | Reciprocating piston type compressor and refrigerator |
-
2020
- 2020-07-15 CN CN202021399583.7U patent/CN212615251U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856967A (en) * | 2022-06-02 | 2022-08-05 | 珠海格力电器股份有限公司 | Crankshaft and compressor |
| CN114992091A (en) * | 2022-07-12 | 2022-09-02 | 珠海格力电器股份有限公司 | Reciprocating piston type compressor and refrigerator |
| CN114992091B (en) * | 2022-07-12 | 2023-11-17 | 珠海格力电器股份有限公司 | Reciprocating piston compressor and refrigerator |
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