CN103062014A - Crankshaft resistance-reducing force-lifting system for refrigerator compressor - Google Patents
Crankshaft resistance-reducing force-lifting system for refrigerator compressor Download PDFInfo
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- CN103062014A CN103062014A CN2012105622581A CN201210562258A CN103062014A CN 103062014 A CN103062014 A CN 103062014A CN 2012105622581 A CN2012105622581 A CN 2012105622581A CN 201210562258 A CN201210562258 A CN 201210562258A CN 103062014 A CN103062014 A CN 103062014A
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- bent axle
- bearing
- movement
- compressor
- main shaft
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Abstract
The invention discloses a crankshaft resistance-reducing force-lifting system for a refrigerator compressor. The system comprises a casing, a movement, a movement supporting structure and an oil tank, the movement comprises a bracket, an air cylinder, a piston, a connection rod, a crankshaft, a bearing, a motor stator and a motor rotor, the crankshaft comprises an eccentric portion, a balancing portion and a main shaft portion which are sequentially connected with one another from top to bottom, the eccentric portion is connected to the connection rod, the balancing portion is located above the bearing and abuts against the surface of the bearing, the main shaft portion penetrates through centers of the bearing, the bracket and the motor rotor, the side surface of the balancing portion, which abuts against the bearing, is provided with two symmetric inclined surfaces which are inclined to upwards extend, upper ends of the inclined surfaces further upwards extend to form windward sides, and extension directions of the windward sides are opposite to those of the inclined surfaces. By means of the crankshaft resistance-reducing force-lifting system for the refrigerator compressor, gas resistance and friction forces can be reduced, and efficiencies and service life of the refrigerator compressor can be guaranteed.
Description
Technical field
The present invention relates to a kind of compressor for refrigeration bent axle drag reduction lift system.
Background technique
Along with improving constantly of people's living standard, people are also increasing to the needs of refrigerator, especially in summer of sweltering heat.Refrigerator also along with its 26S Proteasome Structure and Function of needs of people also in continuous renewal, the new refrigerator of energy-conserving and environment-protective is also being used by people widely.As everyone knows, freezer compressor is the important component part that refrigerator can move, and freezer compressor is by the motor driving crankshaft rotating, and bent axle is drivening rod again, and then it is reciprocating in cylinder body to drive piston, to realize the compression to refrigeration working medium.
Existing refrigerator compressor crankshaft, as shown in Figure 1, comprise bent axle body 100 and the balance section 200 that is connected to bent axle body 200 upper ends, with the crankshaft eccentric section 300 that is connected to balance section 200 upper ends, crankshaft eccentric section 300 is provided with oil groove and oilhole, oil groove and oilhole are communicated with, crankshaft eccentric section is with after the connecting rod outer end is connected, crankshaft high-speed rotarily drives the connecting rod displacement and with it phase mutual friction when swinging, because the balance section 200 of bent axle is the plane with the side of bearing butt, so in the bent axle rotation process, the air resistance that exists is larger on the impact of bent axle, and the pressure of 200 pairs of bearings of balance section of bent axle is larger, frictional force is larger, so that the balance section 200 of bent axle and the wearing and tearing between bearing aggravation, thereby has influence on efficient and the life-span of compressor for refrigeration.
Summary of the invention
The purpose of this invention is to provide a kind of compressor for refrigeration with bent axle drag reduction lift system, can guarantee efficient and the life-span of compressor for refrigeration, overcome the large problem of the balance section of bent axle and the wearing and tearing aggravation between the bearing and air resistance.
For achieving the above object, the invention provides a kind of compressor for refrigeration bent axle drag reduction lift system, comprise housing, movement, movement supporting structure and oil sump, described movement, movement supporting structure and oil sump are positioned at the inboard of described housing, described movement support construction supports is in the below of described movement and be fixedly attached to the lower end of described housing, described oil sump is positioned at the below of described movement supporting structure, described movement comprises support, cylinder block, piston, connecting rod, bent axle, bearing, motor stator and rotor, described cylinder block, piston is connected the top that connects and be located at described support with connecting rod, described bearing is located at the middle part of described support and is positioned at the below of described connecting rod, described motor stator and rotor are connected in the bottom of described support and are positioned at the top of described movement supporting structure, described bent axle comprises the eccentric part that from top to bottom connects successively, balance section and main shaft part, described eccentric part is connected to described connecting rod, described balance section is positioned at the top of described bearing and the surface of the described bearing of butt, described main shaft part is stretched through described bearing, the center of described support and described rotor, the side of described balance section and described bearing butt is provided with the plane of inclination of upwardly extending two symmetries, the upper end of each described plane of inclination further extends upward and is formed with the windward side, and described windward side is opposite with the bearing of trend of described plane of inclination.
Preferably, the angle of inclination of described plane of inclination is 30～60 °.
Preferably, the extended length of described plane of inclination is longer than the extended length of described windward side.
Preferably, the inside of described main shaft part is provided with the oil suction inner chamber, and the outer side wall of described main shaft part has the outer oil sump of from bottom to top spiralization, and the lower end of described outer oil sump has the lower oilhole that connects described outer oil sump and described oil suction inner chamber.
Preferably, the inside, lower end of described main shaft part is provided with fuel sucking pipe, and the bottom of described fuel sucking pipe is positioned at described oil sump, and described fuel sucking pipe has straight-through inner chamber, and the straight-through inner chamber of described fuel sucking pipe is communicated with the oil suction inner chamber of described main shaft part.
Preferably, described fuel sucking pipe interference is connected in the lower end of described main shaft part.
Preferably, described eccentric part has the oil storage tank that is obliquely installed, and the bottom land of described oil storage tank has upper oil hole, and described upper oil hole passes the upper end that described eccentric part and described balance section extend to described main shaft part and be communicated to described outer oil sump.
Preferably, described motor stator is provided with mesopore, and described rotor is installed in the described mesopore.
Preferably, the center of described support is provided with axis hole, and described bearing is installed on described axis hole place.
Preferably, described movement also comprises the movement construction bolt, and described motor stator comprises stator iron core and the staor winding that curls in stator iron core, and described movement construction bolt connects described support, described stator iron core and described movement supporting structure successively.
Compared with prior art, compressor for refrigeration of the present invention is provided with the plane of inclination of upwardly extending two symmetries owing to the side of described balance section and described bearing butt with bent axle drag reduction lift system, the upper end of described plane of inclination further extends upward and is formed with the windward side, the flat state of equilibrium block is changed into " tip " state, reduce operating air resistance; Simultaneously plane of inclination design is on the side of equilibrium block and bearing butt, lift that makes progress of the on-stream formation of bent axle can alleviate the downward active force of bent axle, reduces the pressure of bearing, reach the purpose that reduces friction, thereby guaranteed efficient and the life-span of compressor for refrigeration.
By following description also by reference to the accompanying drawings, it is more clear that the present invention will become, and these accompanying drawings are used for explaining embodiments of the invention.
Description of drawings
Fig. 1 is the stereogram of bent axle in the prior art.
Fig. 2 is the schematic representation that compressor for refrigeration of the present invention is used bent axle drag reduction lift system.
Fig. 3 is the stereogram of the bent axle among Fig. 2.
Embodiment
With reference now to accompanying drawing, describe embodiments of the invention, similar element numbers represents similar element in the accompanying drawing.
Please refer to Fig. 2-3, described compressor for refrigeration comprises housing 1, movement 2, movement supporting structure 3 and oil sump 4 with bent axle drag reduction lift system.Described movement 2, movement supporting structure 3 and oil sump 4 are positioned at the inboard of described housing 1, and described movement supporting structure 3 is supported in the below of described movement 2 and is fixedly attached to the lower end of described housing 1, and described oil sump 4 is positioned at the below of described movement supporting structure 3.
Described housing 1 is tightly connected by upper shell 11 and lower shell body 12 and forms.
Described movement 2 comprises support 21, cylinder block 22, piston 23, connecting rod 24, bent axle 25, bearing 26, motor stator 27, rotor 28 and movement construction bolt 29.Described cylinder block 22, piston 23 are connected the top that connects successively and be located at described support 21 with connecting rod.Described bearing 26 is located at the middle part of described support 21 and is positioned at the below of described connecting rod 24.Described motor stator 27 and rotor 28 are connected in the bottom of described support 21 and are positioned at the top of described movement supporting structure 3.
The center of described support 21 is provided with axis hole, and described bearing 26 is installed on described axis hole place.
Described cylinder block 22 is connected in described support 21, and described piston 23 places described cylinder block 22 inside, and described connecting rod 24 is connected to described piston 23.
Described bent axle 25 comprises eccentric part 251, balance section 252 and the main shaft part 253 that from top to bottom connects successively, described eccentric part 251 is connected to described connecting rod 24, described balance section 252 is positioned at the top of described bearing 26 and the surface of the described bearing 26 of butt, and described main shaft part 253 is stretched through the center of described bearing 26, described support 21 and described rotor 28.Particularly, described eccentric part 251 has the oil storage tank 251a that is obliquely installed, and the bottom land of described oil storage tank 251a has upper oil hole 251b.The side of described balance section 252 and described bearing 26 butts is provided with the plane of inclination 252a of upwardly extending two symmetries, and the angle of inclination of each described plane of inclination 252a is 30～60 °, and plane of inclination 252a is symmetrical arranged the stress balance that is conducive to bent axle 25 integral body.The upper end of described plane of inclination 252a further extends upward and is formed with windward side 252b, and described windward side 252b is opposite with the bearing of trend of described plane of inclination 252a, and the extended length of described plane of inclination 252a is longer than the extended length of described windward side 252b.The inside of described main shaft part 253 is provided with oil suction inner chamber 253a, the outer side wall of described main shaft part 253 has the outer oil sump 253b of from bottom to top spiralization, described upper oil hole 251b passes the upper end that described eccentric part 251 and described balance section 252 extend to described main shaft part 253 and be communicated to described outer oil sump 253b, and the lower end of described outer oil sump 253b has the lower oilhole 253c that connects described outer oil sump 253b and described oil suction inner chamber 253a.The inside, lower end of described main shaft part 253 is provided with fuel sucking pipe 254, the bottom of described fuel sucking pipe 254 is positioned at described oil sump 4, and described fuel sucking pipe 254 has straight-through inner chamber 254a, and the straight-through inner chamber 254a of described fuel sucking pipe 254 is communicated with the oil suction inner chamber 253a of described main shaft part 253.Described fuel sucking pipe 254 interference are connected in the lower end of described main shaft part 253.
Described motor stator 27 is provided with mesopore 271, and described rotor 28 is installed in the described mesopore 271, and described rotor 28 is enclosed within described main shaft part 253 outsides.Described motor stator 27 comprises stator iron core 272 and the staor winding 273 that curls in stator iron core 272, described movement construction bolt 29 connects described support 21, described stator iron core 272 and described movement supporting structure 3 successively, by described movement construction bolt 29 described support 21 and described motor stator 27 and described movement supporting structure 3 is connected and fixed.
Described movement supporting structure 3 is fixedly attached to described lower shell body 12.
When compressor for refrigeration is worked, described rotor 27 rotates the main shaft part 253 that drives described bent axle 25 and rotates, through described eccentric part 251 and the described piston 23 of described connecting rod 24 transmissions, make described piston 23 interior reciprocating in described cylinder block 22, simultaneously, described fuel sucking pipe 254 rotates and produces centrifugal force with described main shaft part 253, lubricant oil in the described oil sump 4 is passed through by centrifugal action constantly: the oil suction inner chamber 253a of the straight-through inner chamber 254a → main shaft part 253 of fuel sucking pipe 254 → lower oilhole 253c → outer oil sump 253b → upper oil hole 251b → oil storage tank 251a, lubricant oil in the oil storage tank 251a is shed to each movable part and heating component with the rotation of bent axle 25, such as connecting rod 24, piston 23, motor stator 27, rotors 28 etc. are to play effect lubricated and cooling.Simultaneously, because the surface of described balance section 252 and described bearing 26 butts is provided with upwardly extending plane of inclination 252a, the upper end of described plane of inclination 252a further extends upward and is formed with windward side 252b, the flat state of equilibrium block 252 is changed into " tip " state, reduce operating air resistance, according to measuring and calculating, equilibrium block 252 can reduce by 30% air resistance at least; The side that simultaneously plane of inclination 252a design connects at equilibrium block 252 and bearing 26, form a lift that makes progress in the running, alleviate the downward active force of bent axle 25, reduce the pressure of bearing 26, reach the purpose that reduces friction, thereby guaranteed efficient and the life-span of compressor for refrigeration.
Above invention has been described in conjunction with most preferred embodiment, but the present invention is not limited to the embodiment of above announcement, and should contain various modification, equivalent combinations of carrying out according to essence of the present invention.
Claims (10)
1. a compressor for refrigeration is with bent axle drag reduction lift system, comprise housing, movement, movement supporting structure and oil sump, described movement, movement supporting structure and oil sump are positioned at the inboard of described housing, described movement support construction supports is in the below of described movement and be fixedly attached to the lower end of described housing, described oil sump is positioned at the below of described movement supporting structure, described movement comprises support, cylinder block, piston, connecting rod, bent axle, bearing, motor stator and rotor, described cylinder block, piston is connected the top that connects and be located at described support with connecting rod, described bearing is located at the middle part of described support and is positioned at the below of described connecting rod, described motor stator and rotor are connected in the bottom of described support and are positioned at the top of described movement supporting structure, described bent axle comprises the eccentric part that from top to bottom connects successively, balance section and main shaft part, described eccentric part is connected to described connecting rod, described balance section is positioned at the top of described bearing and the surface of the described bearing of butt, described main shaft part is stretched through described bearing, the center of described support and described rotor, it is characterized in that: the side of described balance section and described bearing butt is provided with the plane of inclination of upwardly extending two symmetries, the upper end of each described plane of inclination further extends upward and is formed with the windward side, and described windward side is opposite with the bearing of trend of described plane of inclination.
2. compressor for refrigeration as claimed in claim 1 is with bent axle drag reduction lift system, and it is characterized in that: the angle of inclination of described plane of inclination is 30～60 °.
3. compressor for refrigeration as claimed in claim 1 is with bent axle drag reduction lift system, and it is characterized in that: the extended length of described plane of inclination is longer than the extended length of described windward side.
4. compressor for refrigeration as claimed in claim 1 is with bent axle drag reduction lift system, it is characterized in that: the inside of described main shaft part is provided with the oil suction inner chamber, the outer side wall of described main shaft part has the outer oil sump of from bottom to top spiralization, and the lower end of described outer oil sump has the lower oilhole that connects described outer oil sump and described oil suction inner chamber.
5. compressor for refrigeration as claimed in claim 4 is with bent axle drag reduction lift system, it is characterized in that: the inside, lower end of described main shaft part is provided with fuel sucking pipe, the bottom of described fuel sucking pipe is positioned at described oil sump, and described fuel sucking pipe has straight-through inner chamber, and the straight-through inner chamber of described fuel sucking pipe is communicated with the oil suction inner chamber of described main shaft part.
6. compressor for refrigeration as claimed in claim 5 is with bent axle drag reduction lift system, and it is characterized in that: described fuel sucking pipe interference is connected in the lower end of described main shaft part.
7. compressor for refrigeration as claimed in claim 4 is with bent axle drag reduction lift system, it is characterized in that: described eccentric part has the oil storage tank that is obliquely installed, the bottom land of described oil storage tank has upper oil hole, and described upper oil hole passes the upper end that described eccentric part and described balance section extend to described main shaft part and be communicated to described outer oil sump.
8. compressor for refrigeration as claimed in claim 1 is with bent axle drag reduction lift system, and it is characterized in that: described motor stator is provided with mesopore, and described rotor is installed in the described mesopore.
9. compressor for refrigeration as claimed in claim 1 is with bent axle drag reduction lift system, and it is characterized in that: the center of described support is provided with axis hole, and described bearing is installed on described axis hole place.
10. compressor for refrigeration as claimed in claim 1 is with bent axle drag reduction lift system, it is characterized in that: described movement also comprises the movement construction bolt, described motor stator comprises stator iron core and the staor winding that curls in stator iron core, and described movement construction bolt connects described support, described stator iron core and described movement supporting structure successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105622581A CN103062014A (en) | 2012-12-19 | 2012-12-19 | Crankshaft resistance-reducing force-lifting system for refrigerator compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105622581A CN103062014A (en) | 2012-12-19 | 2012-12-19 | Crankshaft resistance-reducing force-lifting system for refrigerator compressor |
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| Publication Number | Publication Date |
|---|---|
| CN103062014A true CN103062014A (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105622581A Pending CN103062014A (en) | 2012-12-19 | 2012-12-19 | Crankshaft resistance-reducing force-lifting system for refrigerator compressor |
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| CN (1) | CN103062014A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105632796A (en) * | 2014-11-26 | 2016-06-01 | 沈阳工业大学 | Three-stable state electromagnetic operating mechanism with bidirectional damping characteristic at middle position |
| CN106067702A (en) * | 2016-06-14 | 2016-11-02 | 浙江瑞翔机电科技股份有限公司 | Inflation electric motor for pump |
| CN106130236A (en) * | 2016-06-14 | 2016-11-16 | 浙江瑞翔机电科技股份有限公司 | A kind of inflation electric motor for pump |
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| WO1997034088A1 (en) * | 1996-03-13 | 1997-09-18 | Empresa Brasileira De Compressores S/A. - Embraco | An axial bearing for hermetic compressors |
| KR100195945B1 (en) * | 1996-08-30 | 1999-06-15 | 구자홍 | Supporting device for crank shaft of closed type compressor |
| KR20020044451A (en) * | 2000-12-06 | 2002-06-15 | 구자홍 | Crank shaft for hermetic compressor |
| KR20030043020A (en) * | 2001-11-26 | 2003-06-02 | 주식회사 엘지이아이 | Rotating portion for hermetic compressor |
| CN1455093A (en) * | 2002-04-29 | 2003-11-12 | 乐金电子(天津)电器有限公司 | Rotating mechanism of close compressor |
| CN102434434A (en) * | 2011-12-07 | 2012-05-02 | 常州市龙豪车辆配件厂 | Automobile air conditioner compressor balance block |
| 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 |
| CN203035487U (en) * | 2012-12-19 | 2013-07-03 | 广州万宝集团压缩机有限公司 | Crankshaft drag-reduction lifting system for refrigerator compressor |
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2012
- 2012-12-19 CN CN2012105622581A patent/CN103062014A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997034088A1 (en) * | 1996-03-13 | 1997-09-18 | Empresa Brasileira De Compressores S/A. - Embraco | An axial bearing for hermetic compressors |
| KR100195945B1 (en) * | 1996-08-30 | 1999-06-15 | 구자홍 | Supporting device for crank shaft of closed type compressor |
| KR20020044451A (en) * | 2000-12-06 | 2002-06-15 | 구자홍 | Crank shaft for hermetic compressor |
| KR20030043020A (en) * | 2001-11-26 | 2003-06-02 | 주식회사 엘지이아이 | Rotating portion for hermetic compressor |
| CN1455093A (en) * | 2002-04-29 | 2003-11-12 | 乐金电子(天津)电器有限公司 | Rotating mechanism of close compressor |
| CN102434434A (en) * | 2011-12-07 | 2012-05-02 | 常州市龙豪车辆配件厂 | Automobile air conditioner compressor balance block |
| 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 |
| CN203035487U (en) * | 2012-12-19 | 2013-07-03 | 广州万宝集团压缩机有限公司 | Crankshaft drag-reduction lifting system for refrigerator compressor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105632796A (en) * | 2014-11-26 | 2016-06-01 | 沈阳工业大学 | Three-stable state electromagnetic operating mechanism with bidirectional damping characteristic at middle position |
| CN106067702A (en) * | 2016-06-14 | 2016-11-02 | 浙江瑞翔机电科技股份有限公司 | Inflation electric motor for pump |
| CN106130236A (en) * | 2016-06-14 | 2016-11-16 | 浙江瑞翔机电科技股份有限公司 | A kind of inflation electric motor for pump |
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Addressee: WanBao Group Compressor Co., Ltd. Document name: Notification that Application Deemed to be Withdrawn |
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Application publication date: 20130424 |