CN104454456A - Filtering structure of compressor oil pool - Google Patents
Filtering structure of compressor oil pool Download PDFInfo
- Publication number
- CN104454456A CN104454456A CN201410589524.9A CN201410589524A CN104454456A CN 104454456 A CN104454456 A CN 104454456A CN 201410589524 A CN201410589524 A CN 201410589524A CN 104454456 A CN104454456 A CN 104454456A
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- Prior art keywords
- compressor
- filter sheet
- filtration
- oil sump
- described filter
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Abstract
The invention discloses a filtering structure of a compressor oil pool. The filtering structure comprises a compressor lower housing and a filtering piece, wherein the filtering piece is located under a compressor oil suction pipe, the bottom of the filtering piece is fixedly connected with the bottom of the inner wall of the compressor lower housing, the edge position of the filtering piece is in a bent shape, and a gap exists between the bent edge position of the filtering piece and the inner wall of the compressor lower housing. When a compressor with the filtering structure operates, impurities produced between friction pairs and in a refrigerating system return to the oil pool along with lubricating oil, filtered by the filtering structure and then is absorbed and utilized, accordingly the impurities are prevented from entering a compressor lubricating system and the refrigerating system, normal operation of important parts including a crankshaft, a connecting rod, a piston, a capillary pipe and the like is ensured, and the operating reliability of the compressor is improved. In addition, the filtering structure of the compressor oil pool further has the advantages of being simple in structure, convenient to manufacture, low in cost and the like.
Description
Technical field
The present invention relates to a kind of filtration, specifically a kind of structure for filtering the lubricant oil in refrigeration compressor oil sump.
Background technique
As shown in Figure 1, compressor is made up of supporting structure 4, cover plate assembly 5, lower shell body 14, upper shell 15 and movement, during compressor operating, the rotor 8 of motor is with dynamic crankshaft 7 to rotate, the crank handle turns connecting rod 6 of bent axle 7 moves, connecting rod 6 drive wrist pin 3 and piston 2 reciprocating in the cylinder-bore of crankcase 1, simultaneously, bent axle 7 drives fuel sucking pipe 11 to rotate, produce centrifugal force, the lubricant oil that oil sump is 12 li under the influence of centrifugal force, inwall along fuel sucking pipe 11 rises, and arrives the inwall of bent axle position 7a; Again along the lower oil-sucking hole of bent axle 7, arrive bent axle 7a outer wall; Then along the helical oil groove of bent axle 7a, arrive oil-sucking hole on bent axle 7a, then enter into crank oil hole, the major part of lubricant oil to crank and connecting rod 6 lubricates.A part of lubricant oil throws away microcephaly to connecting rod 6 from crank top in addition, wrist pin 3, piston 2 lubricate.Lubricant oil, when lubricating each friction pair, also takes away a part of heat between friction pair, and friction pair also can produce impurity in the process of motion, and these impurity can being circulated back in oil sump along with lubricant oil.Also there is various impurity in the pipeline of refrigeration system in addition, and under the effect of valve group 10, these impurity are along with the circulation of refrigeration agent, and a part can fall in oil sump.If these impurity enter into lubrication system, the formation of oil film between friction pair can be affected, thus affect the reliability of compressor operating.Publication number is that the Chinese invention patent application of CN102953957A discloses a kind of compressor lubricant oil oil sump filtrating equipment, this filtrating equipment mainly comprises ring plate, filter screen and fixing frame, by filter screen, fuel sucking pipe is fed to the movable part lubricant oil such as bent axle, connecting rod, piston and filters.Publication number is that the Chinese invention patent application of CN102966515A discloses another kind of compressor lubricant oil oil sump filtrating equipment, the technical characteristics of this filtrating equipment is at lower shells of compressors stamped recess inner set magnet block, by the magnetic effect of magnet piece, when compressor operating, the ferrous material in oil is adsorbed onto on magnet piece, makes ferrous material impurity no longer enter lubrication system and refrigeration system.But all in all these existing oil sump contaminant filters or adsorption technology also also exist complicated structure, and adsorbing contaminant is insufficient, or after working long hours, adsorptive power is poor etc. not enough.
Summary of the invention
Technical problem to be solved by this invention is to propose a kind of filtration that the impurity entered in bent axle, connecting rod, piston refrigeration oil can be given the compressor oil sump easily filtered.
For solving the problems of the technologies described above, the filtration of a kind of compressor oil sump of the present invention comprises lower shells of compressors and filter sheet, and be fixedly linked bottom the bottom of described filter sheet and the inwall of described lower shells of compressors, the edge of described filter sheet is curved shape.
The filtration of above-mentioned a kind of compressor oil sump, described filter sheet is positioned at the below of described compressor fuel sucking pipe.
, between the curved edge position of described filter sheet and the inwall of described lower shells of compressors, there is gap in the filtration of above-mentioned a kind of compressor oil sump.
The filtration of above-mentioned a kind of compressor oil sump, the center portion of described filter sheet and the inner wall section of described lower shells of compressors are fitted.
The filtration of above-mentioned a kind of compressor oil sump, the center portion of described filter sheet and the inwall of described lower shells of compressors are fitted completely.
The filtration of above-mentioned a kind of compressor oil sump, the smallest cross-sectional that the maximum cross-section width at the position (13a) of described filter sheet is less than the position (8a) of compressor drum is wide, the maximum cross-section width at the position (13a) of described filter sheet is greater than the diameter at the position (7a) of compressor crank shaft, and the height at the position (13b) of described filter sheet is less than the distance bottom compressor fuel sucking pipe bottom (11b) to described filter sheet.
The present invention is owing to have employed above-mentioned technical pattern, and during compressor operating, the impurity that produces is along with lubricant oil between friction pair and in refrigeration system, through the circulation of refrigeration oil and refrigeration agent, gets back to oil sump along the space beyond rotor outer circle.The lower shell body region corresponding due to fuel sucking pipe is low-lying, impurity can be assembled by downward housing bottom under gravity, finally drop to the semiclosed region that filter sheet curved edge position and lower shell body inwall form, thus prevent impurity to enter compressor lubrication system and refrigeration system, guarantee the normal operation of the vitals such as bent axle, connecting rod, piston, capillary tube, improve the reliability of compressor operating.Meanwhile, application this patent filtration only needs to increase a part in original compressor inside, and can realize impurity collecting function, thus structure is simple, and easily manufactured, cost is lower.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing compressor;
Fig. 2 is the structural representation of one embodiment of the present invention;
Fig. 3 is the structural representation of another embodiment of the present invention;
Fig. 4 is the structure for amplifying schematic diagram of filtration in Fig. 2;
Fig. 5 is the perspective view of filter sheet in Fig. 2;
Fig. 6 is the perspective view of filter sheet in Fig. 3.
Embodiment
As shown in Figures 2 and 3, the filtration of compressor oil sump of the present invention comprises lower shells of compressors 14 and filter sheet 13.Wherein, in the mode of execution shown in Fig. 2, the center portion of filter sheet 13 and the inner wall section of lower shells of compressors 14 are fitted, and the structure of filter sheet 13 as shown in Figure 5.And in the another kind of mode of execution shown in Fig. 3, the center portion of filter sheet 13 and the inwall of lower shells of compressors 14 are fitted completely, the structure of filter sheet 13 as shown in Figure 6.
As shown in Figure 4, the bottom of the bottom of filter sheet 13 and the inwall 14a of lower shells of compressors 14 is fixed together, and filter sheet 13 is positioned at the below of compressor fuel sucking pipe 11.The edge 13b of filter sheet 13 is curved shape, there is gap between bending edge 13c and lower shell body inwall position 14a.The center portion 13d of filter sheet 13 and the inwall position 14a part of lower shells of compressors 14 are fitted.The maximum cross-section width 13a' of the position 13a of filter sheet 13 is less than the wide 8a' of smallest cross-sectional of the position 8a of compressor drum 8, can prevent impurity from dripping to above filter sheet 13 like this.The maximum cross-section width 13a' of the position 13a of filter sheet 13 is greater than the diameter 7a' of the position 7a of compressor crank shaft 7, and the impurity under filter sheet can be prevented like this to be inhaled into bent axle 7.Height (namely 13b top in position is to the perpendicular distance of the upper wall of the center portion 13d of the filter sheet 13) 13b' of the position 13b of filter sheet 13 to be less than bottom fuel sucking pipe 11b to the perpendicular distance 11b' of the upper wall of the center portion 13d of filter sheet 13, so just can prevent when lubricant in compressor deficiency, bent axle 7 is only drawn through the lubricant oil in filter disc 13.
When the compressor operating of oil sump filtration of the present invention is housed, the impurity produced between friction pair, along with lubricant oil gets back to oil sump along the space beyond rotor 8 cylindrical.Because the lower shell body region of fuel sucking pipe 11 correspondence is low-lying, these impurity can to lower shell body 14 congregate, finally drop to the semiclosed region that the curved edge position 13c of filter sheet 13 and lower shell body 14 inwall form, thus prevent impurity to enter compressor lubrication system.
Compared with prior art, the present invention has following outstanding substantive distinguishing features and remarkable advantage: 1, by arranging a filter sheet at oil sump, by feed to from fuel sucking pipe bent axle, connecting rod, piston the lubricant oil of moving element filter, impurity can be stoped the destruction of oil film between friction pair, be conducive to the reliability increasing compressor operating.2, utilize compressor impurity to enter the feature of oil sump, dexterously by the semiclosed region that accumulation of impurities forms at filter sheet curved edge position and lower shell body inwall, stop impurity to enter fuel sucking pipe.3, this filtration only needs filter sheet to be fixed on bottom lower shell body, can realize filtration, and not only structure is simple, and the cost of parts increased is very little relative to the quality cost in compressor operating later stage.
In filtration of the present invention, the shape of filter sheet not limit by above-mentioned embodiment, as long as realize not only and lower shells of compressors is fixedly linked, leave gap between edge and lower shells of compressors, thus make impure lubricant oil flow into the object in the semiclosed region formed between filter sheet and lower shells of compressors.Filter sheet can be formed by irony or steel slice stamping, and can be fixed to bottom lower shell body by modes such as welding.
Claims (6)
1. a filtration for compressor oil sump, comprises lower shells of compressors, it is characterized in that, it also comprises filter sheet, and be fixedly linked bottom the bottom of described filter sheet and the inwall of described lower shells of compressors, the edge of described filter sheet is curved shape.
2. the filtration of a kind of compressor oil sump as claimed in claim 1, is characterized in that, described filter sheet is positioned at the below of described compressor fuel sucking pipe.
3. the filtration of a kind of compressor oil sump as claimed in claim 1 or 2, is characterized in that, there is gap between the curved edge position of described filter sheet and the inwall of described lower shells of compressors.
4. the filtration of a kind of compressor oil sump as claimed in claim 1 or 2, is characterized in that, the center portion of described filter sheet and the inner wall section of described lower shells of compressors are fitted.
5. the filtration of a kind of compressor oil sump as claimed in claim 1 or 2, is characterized in that, the center portion of described filter sheet and the inwall of described lower shells of compressors are fitted completely.
6. the filtration of a kind of compressor oil sump as claimed in claim 1 or 2, it is characterized in that, the smallest cross-sectional that the maximum cross-section width at the position (13a) of described filter sheet is less than the position (8a) of compressor drum is wide, the maximum cross-section width at the position (13a) of described filter sheet is greater than the diameter at the position (7a) of compressor crank shaft, and the height at the position (13b) of described filter sheet is less than the distance bottom compressor fuel sucking pipe bottom (11b) to described filter sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410589524.9A CN104454456B (en) | 2014-10-29 | 2014-10-29 | Filtering structure of compressor oil pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410589524.9A CN104454456B (en) | 2014-10-29 | 2014-10-29 | Filtering structure of compressor oil pool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104454456A true CN104454456A (en) | 2015-03-25 |
| CN104454456B CN104454456B (en) | 2017-01-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410589524.9A Active CN104454456B (en) | 2014-10-29 | 2014-10-29 | Filtering structure of compressor oil pool |
Country Status (1)
| Country | Link |
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| CN (1) | CN104454456B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332897A (en) * | 2015-11-19 | 2016-02-17 | 广州万宝集团压缩机有限公司 | Self-adaptive oil filtering system of compressor |
| CN106286220A (en) * | 2016-09-26 | 2017-01-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Refrigerator and compressor thereof |
| CN115126683A (en) * | 2022-07-12 | 2022-09-30 | 珠海格力电器股份有限公司 | Filter equipment, bent axle subassembly and compressor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS593182A (en) * | 1982-06-30 | 1984-01-09 | Hitachi Ltd | Closed-type electric motor-driven compressor |
| JPS62253972A (en) * | 1986-03-26 | 1987-11-05 | Daikin Ind Ltd | Compressor |
| CN1510304A (en) * | 2002-12-25 | 2004-07-07 | 乐金电子(天津)电器有限公司 | Luboil filter of closed compressor |
| CN201258858Y (en) * | 2008-08-19 | 2009-06-17 | 珠海格力电器股份有限公司 | Compressor |
| KR20090118419A (en) * | 2008-05-13 | 2009-11-18 | 엘지전자 주식회사 | Compressor |
| CN202597030U (en) * | 2012-01-18 | 2012-12-12 | 比亚迪股份有限公司 | Compressor metal impurity adsorption apparatus and compressor using same |
| CN102953957A (en) * | 2012-11-29 | 2013-03-06 | 广州万宝集团压缩机有限公司 | Refrigerator compressor with filter |
| CN204283804U (en) * | 2014-10-29 | 2015-04-22 | 加西贝拉压缩机有限公司 | A kind of filtration of compressor oil sump |
-
2014
- 2014-10-29 CN CN201410589524.9A patent/CN104454456B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS593182A (en) * | 1982-06-30 | 1984-01-09 | Hitachi Ltd | Closed-type electric motor-driven compressor |
| JPS62253972A (en) * | 1986-03-26 | 1987-11-05 | Daikin Ind Ltd | Compressor |
| CN1510304A (en) * | 2002-12-25 | 2004-07-07 | 乐金电子(天津)电器有限公司 | Luboil filter of closed compressor |
| KR20090118419A (en) * | 2008-05-13 | 2009-11-18 | 엘지전자 주식회사 | Compressor |
| CN201258858Y (en) * | 2008-08-19 | 2009-06-17 | 珠海格力电器股份有限公司 | Compressor |
| CN202597030U (en) * | 2012-01-18 | 2012-12-12 | 比亚迪股份有限公司 | Compressor metal impurity adsorption apparatus and compressor using same |
| CN102953957A (en) * | 2012-11-29 | 2013-03-06 | 广州万宝集团压缩机有限公司 | Refrigerator compressor with filter |
| CN204283804U (en) * | 2014-10-29 | 2015-04-22 | 加西贝拉压缩机有限公司 | A kind of filtration of compressor oil sump |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332897A (en) * | 2015-11-19 | 2016-02-17 | 广州万宝集团压缩机有限公司 | Self-adaptive oil filtering system of compressor |
| CN105332897B (en) * | 2015-11-19 | 2017-06-20 | 广州万宝集团压缩机有限公司 | A kind of compressor self adaptation oil filtering system |
| CN106286220A (en) * | 2016-09-26 | 2017-01-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Refrigerator and compressor thereof |
| CN115126683A (en) * | 2022-07-12 | 2022-09-30 | 珠海格力电器股份有限公司 | Filter equipment, bent axle subassembly and compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104454456B (en) | 2017-01-25 |
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