CN202756204U - Integral pump oil mechanism of refrigerator compressor - Google Patents
Integral pump oil mechanism of refrigerator compressor Download PDFInfo
- Publication number
- CN202756204U CN202756204U CN 201220294965 CN201220294965U CN202756204U CN 202756204 U CN202756204 U CN 202756204U CN 201220294965 CN201220294965 CN 201220294965 CN 201220294965 U CN201220294965 U CN 201220294965U CN 202756204 U CN202756204 U CN 202756204U
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- main shaft
- oil
- shaft part
- oil groove
- wall
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Abstract
The utility model provides an integral pump oil mechanism of a refrigerator compressor. The mechanism is an integral crankshaft part and is provided with a crankshaft part, a balance table part and a main shaft part which are sequentially and integrally connected. The crankshaft part is provided with an oil storing cavity, the outer side wall of the upper portion of the main shaft part is provided with a spiral outer wall oil groove, an upper oil hole is arranged in the balance table part, the oil storing cavity in the crankshaft part is communicated with the upper rear end of the outer wall oil groove of the main shaft part through the upper oil hole, the lower portion of the main shaft part is provided with a straight inner cavity, the middle portion of the main shaft part is provided with a middle oil hole, the lower rear end of the outer wall oil groove is communicated with the straight inner cavity through the inner oil hole, the wall of the straight inner cavity of the main shaft part is provided with a spiral inner wall oil groove, the upper end of the inner wall oil groove is connected with the middle oil hole, the lower end of the inner wall oil groove is arranged at a lower rear end opening of the straight inner cavity, the main shaft part and the balance table part are provided with air holes, interiors of the air holes are communicated, lower end openings of the air holes are communicated with the straight inner cavity, and upper end openings of the air holes are arranged in the upper surface of the balance table part. The mechanism is high in oil pumping efficiency, can effectively reduce operation noises of the compressor, and prolongs service life of the compressor.
Description
Technical field
The utility model relates to refrigerating compressor for refrigerator, specifically gives the movable part oil pumping in the compressor lubricated mechanism.
Background technique
Freezer compressor is generally total closed type, its structure is with reference to figure 1, mainly include housing 1 and the cylinder seat with cylinder 20 2, piston 3, connecting rod 4, bent axle 5, main shaft 6, motor and the fuel sucking pipe 8 that place in the housing 1, one end of piston 3 places in the cylinder 20, the other end of piston 3, connecting rod 4, bent axle 5, main shaft 6 are connected with fuel sucking pipe successively and are connected, the rotor 7 of motor is set on the main shaft 6, after the energising, the rotor 7 of motor rotates and drives main shaft 6 rotations, again through bent axle 5, connecting rod 4 transmissions to piston 3, make piston 3 interior reciprocating at cylinder 20.Wherein, it has the metal circular tube of opening fuel sucking pipe 8 for two ends, has straight-through inner chamber 80 in the fuel sucking pipe 8, the bottom end opening of fuel sucking pipe 8 immerses in the lubricating oil bath 9 of housing 1 bottom setting, its effect is that the lubricant oil in the lubricating oil bath 9 is carried to each movable part of main shaft 6 directions, for this reason, the top of main shaft 6 and bottom also have respectively oil inlet hole 61 and oil outlet 62, oil inlet hole 61 is communicated with the straight-through inner chamber 80 of fuel sucking pipe 8, has spiral oil groove 60 on the outer wall of main shaft 6, oil inlet hole 61 and oil outlet 62 places are located at respectively in the two ends of oil groove 60, bent axle 5 has shoe cream room 50, one end of shoe cream room 50 exposes, and the other end of shoe cream room 50 is communicated with the oil outlet 62 of main shaft 6.Main shaft 6 and fuel sucking pipe 8 stressed rotations after the above-mentioned compressor energising, and produce centrifugal force around it, lubricant oil is subjected to the centrifugal action spiral to rise to the shoe cream room 50 of oil outlet 62 → bent axle 5 of oil groove 60 → main shaft 6 of oil inlet hole 61 → main shaft 6 of the straight-through inner chamber 80 → main shaft 6 of fuel sucking pipe 8, passes to successively movable part connecting rod 4, piston 3 etc. by bent axle 5 places at last.This deficiency of pumping mechanism is: pumping efficiency is low, between the helical oil groove of its top and bent axle outer wall one section vacuum zone is arranged after the fuel sucking pipe assembling, lubricant oil does not have power in this segment limit, dependence inertia is up, can not continuous and effective to the movable part fuel feeding, cause that the compressor life-span is short, noise is large, and number of spare parts is many, need the secondary assembling, there are the hidden danger of quality such as the assembling coaxality is poor, assembling magnitude of interference deficiency, cause the quality problems such as the low not even pump oil of pump oil efficient and fuel sucking pipe come off, need to improve.
Summary of the invention
The purpose of this utility model is the integrated pump oil machine structure that proposes a kind of freezer compressor, it has the advantages that oil pumping power links up, pumping efficiency is high, can effectively weaken the running noises of compressor, prolong the service life of compressor, reduce simultaneously compressor components quantity, without the secondary assembly process, pump oil is reliable, reduces compressor complete machine cost.
The purpose of this utility model can be achieved through the following technical solutions:
The integrated pump oil machine structure of freezer compressor, it is integral shaft parts, has crank portion, balancing stand section and the main shaft part of successively disjunctor connection; Has shoe cream room in the crank portion, the first half outer side wall of main shaft part has spiral outer wall oil groove, have upper oil hole in the balancing stand section, upper oil hole is communicated with the upper end of the shoe cream room in the crank portion with the outer wall oil groove of main shaft part, has straight-through inner chamber in the Lower Half of main shaft part, the middle part of main shaft part has middle oilhole, middle oilhole is communicated with the lower end of outer wall oil groove with straight-through inner chamber, the straight-through internal chamber wall of main shaft part is provided with spiral inwall oil groove, the upper end of inwall oil groove is connected in middle oilhole, and the lower end of inwall oil groove is positioned at straight-through inner chamber lower end mouth.
Optimized project: also have the pore of internal run-through in main shaft part and the balancing stand section, the lower end mouth of pore is communicated with straight-through inner chamber, and the upper end-hole of pore is positioned at the upper surface of balancing stand section.
During use, the utility model is penetrated the axis hole of compressor bracket (cylinder seat) from main shaft part, make the upper portion in the axis hole of compressor bracket, crank portion is connected with connecting rod, the rotor of motor is set on the Lower Half of main shaft part, the lower end of main shaft part is immersed in the lubricating oil bath of compressor bottom, when freezer compressor energising work, rotor drives the main shaft rotation makes it produce centrifugal force, be subjected under the acting in conjunction of end thrust of centrifugal force and spirality inwall oil groove, lubricant oil is through the straight-through inner chamber of the bottom end opening → main shaft part of main shaft part, shoe cream room along the upper oil hole → bent axle of the outer wall oil groove of the middle oilhole → main shaft part of the inwall oil groove → main shaft part of main shaft part → balancing stand section, pass to the movable part connecting rod by the bent axle place again, piston is embodied as the purpose that each movable part continues to add lubricant oil in the compressor.
The utlity model has following substantive distinguishing features and progress:
1, the inwall oil groove of main shaft part of the present utility model plays end thrust and drainage, inwall oil groove and outer wall oil groove form the effect of relay by the middle part oilhole, oil pumping power links up, the vacuum zone that does not have pump oil power, effectively overcome the resistance that lubricant oil rises, had the high characteristics of pumping efficiency;
2, the utility model also has simple in structurely, easy for installation, without secondary assembling, assembles reliable characteristics.
Description of drawings
Fig. 1 is the structural representation of current refrigerator compressor.
Fig. 2 is half section structural representation of the present utility model.
Fig. 3 is full section structural representation of the present utility model.
Fig. 4 is the view of installing and using of the present utility model.
Among Fig. 4: 1-housing, 2-cylinder block, 20-cylinder, 3-piston, 4-connecting rod, 5-crank portion, 51-balancing stand section, 52-upper oil hole, 6-main shaft part, 60-outer wall oil groove, 7-rotor, 80-straight-through inner chamber, 81-middle oilhole, 82-inwall oil groove, 9-lubricating oil bath.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
Referring to figs. 2 and 3, the integrated pump oil machine structure of freezer compressor, it is integral shaft parts, has the successively crank portion 5 of disjunctor connection, balancing stand section 51 and main shaft part 6, has shoe cream room 50 in the crank portion 5, the first half outer side wall of main shaft part 6 has spiral outer wall oil groove 60, have upper oil hole 52 in the balancing stand section 51, upper oil hole 52 is communicated with the shoe cream room 50 in the crank portion 5 with the upper end of the outer wall oil groove 60 of main shaft part 6 first halves, has straight-through inner chamber 80 in the Lower Half of main shaft part 6, the middle part of main shaft part 6 has middle oilhole 81, middle oilhole 81 is communicated with the lower end of outer wall oil groove 60 with straight-through inner chamber 80, straight-through inner chamber 80 walls are provided with spiral inwall oil groove 82, and the upper end of inwall oil groove 82 is connected in middle oilhole 81, and the lower end of inwall oil groove 82 is positioned at straight-through inner chamber 80 lower end mouths;
The pore 53 that also has internal run-through in main shaft part 6 and the balancing stand section 51, the lower end mouth of pore 53 is communicated with straight-through inner chamber 80, and the upper end-hole of pore 53 is positioned at the upper surface of balancing stand section 51.
When the present embodiment is applied to freezer compressor, in conjunction with reference to figure 4, main shaft part 6 is penetrated the axis hole of compressor bracket (cylinder seat), make the upper portion (compressor bracket all wraps up the first half of main shaft part 6) in the axis hole of compressor bracket of main shaft part 6, crank portion 5 is connected with connecting rod 4, the rotor 7 of motor is set on the Lower Half of main shaft part 6, the bottom of main shaft part 6 is immersed in the lubricating oil bath 9 of compressor bottom, when freezer compressor energising work, rotor 7 drives main shaft part 6 rotations makes it produce centrifugal force, be subjected to centrifugal force and 80 effects of inwall oil groove, lubricant oil is through the straight-through inner chamber 80 of the bottom end opening → main shaft part 6 of the straight-through inner chamber 80 of main shaft part 6, by compressor bracket the top of main shaft part 6 is wrapped to form oil circuit along the outer wall oil groove 60(of the middle oilhole 81 → main shaft part 6 of the inwall oil groove → main shaft part 6 of main shaft part) → shoe cream room 50 of the upper oil hole 52 → crank portion 5 of balancing stand section 51, lubricant oil passes to movable part piston rod 4 by crank portion 5 again, pistons 3 etc. are embodied as the purpose that each movable part continues to add lubricant oil in the compressor.Pore 53 in described main shaft part 6 and the balancing stand section 51 plays straight-through inner chamber 80 pressure reduction in oil-absorbing process of balance.The spirality inwall oil groove of the straight-through inner chamber 80 of the main shaft part 6 of the present embodiment has weakened the spiralling resistance of lubricant oil, Effective Raise pumping efficiency.
Claims (2)
1. the integrated pump oil machine structure of freezer compressor, it is integral shaft parts, has crank portion (5), balancing stand section (51) and main shaft part (6) that disjunctor successively connects; Has shoe cream room (50) in the crank portion (5), the first half outer side wall of main shaft part (6) has spiral outer wall oil groove (60), has straight-through inner chamber (80) in the Lower Half of main shaft part (6), the middle part of main shaft part (6) has middle oilhole (81), middle oilhole (81) is communicated with the lower end of outer wall oil groove (60) with straight-through inner chamber (80), have upper oil hole (52) in the balancing stand section (51), upper oil hole (52) is communicated with the shoe cream room (50) in the crank portion (5) with the upper end of outer wall oil groove (60), it is characterized in that: straight-through inner chamber (80) wall of main shaft part (6) is provided with spiral inwall oil groove (82), the upper end of inwall oil groove (82) is connected in middle oilhole (81), and the lower end of inwall oil groove (82) is positioned at straight-through inner chamber (80) lower end mouth.
2. the integrated pump oil machine structure of freezer compressor according to claim 1, it is characterized in that: the pore (53) that also has internal run-through in main shaft part (6) and the balancing stand section (51), the lower end mouth of pore (53) is communicated with straight-through inner chamber (80), and the upper end-hole of pore (53) is positioned at the upper surface of balancing stand section (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220294965 CN202756204U (en) | 2012-06-21 | 2012-06-21 | Integral pump oil mechanism of refrigerator compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220294965 CN202756204U (en) | 2012-06-21 | 2012-06-21 | Integral pump oil mechanism of refrigerator compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202756204U true CN202756204U (en) | 2013-02-27 |
Family
ID=47735389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220294965 Expired - Lifetime CN202756204U (en) | 2012-06-21 | 2012-06-21 | Integral pump oil mechanism of refrigerator compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202756204U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720660A (en) * | 2012-06-21 | 2012-10-10 | 广州万宝集团压缩机有限公司 | Integrated oil pumping mechanism for refrigerator compressor |
| CN105114285A (en) * | 2015-07-07 | 2015-12-02 | 安徽美芝制冷设备有限公司 | Crankshaft assembly of compressor and compressor with same |
| CN105332893A (en) * | 2015-11-12 | 2016-02-17 | 珠海凌达压缩机有限公司 | Compressor crankshaft, compressor and air conditioner |
| EP3159539A1 (en) | 2015-10-21 | 2017-04-26 | Whirlpool S.A. | Constructive arrangement introduced in a reciprocating compressor including a lubricant oil pump |
-
2012
- 2012-06-21 CN CN 201220294965 patent/CN202756204U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720660A (en) * | 2012-06-21 | 2012-10-10 | 广州万宝集团压缩机有限公司 | Integrated oil pumping mechanism for refrigerator compressor |
| CN105114285A (en) * | 2015-07-07 | 2015-12-02 | 安徽美芝制冷设备有限公司 | Crankshaft assembly of compressor and compressor with same |
| EP3159539A1 (en) | 2015-10-21 | 2017-04-26 | Whirlpool S.A. | Constructive arrangement introduced in a reciprocating compressor including a lubricant oil pump |
| CN105332893A (en) * | 2015-11-12 | 2016-02-17 | 珠海凌达压缩机有限公司 | Compressor crankshaft, compressor and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130227 |
|
| CX01 | Expiry of patent term |