CN105201851A - Crankshaft of air condition compressor - Google Patents
Crankshaft of air condition compressor Download PDFInfo
- Publication number
- CN105201851A CN105201851A CN201510720897.XA CN201510720897A CN105201851A CN 105201851 A CN105201851 A CN 105201851A CN 201510720897 A CN201510720897 A CN 201510720897A CN 105201851 A CN105201851 A CN 105201851A
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- eccentric part
- bent axle
- air condition
- condition compressor
- crankshaft
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Abstract
The invention provides a crankshaft of an air condition compressor, belongs to the technical field of machinery and solves the problems of high energy consumption, low efficiency and high cost of an existing air condition compressor. According to the crankshaft of the air condition compressor, an eccentric part which protrudes and is eccentrically arranged is arranged at one end of the crankshaft, the crankshaft and the eccentric part adopt an integrated structure, the eccentric part is cylindrical, an oil supply channel is formed in the crankshaft in a penetration manner in the axial direction, cavities used for duplicate removal are formed in the eccentric part, annular slots are formed in two ends of the eccentric part respectively, one wall of one annular slot is the end surface of the eccentric part, and oil passing holes are formed in the bottoms of the annular slots and can allow oil in the oil supply channel to flow to the eccentric part. The crankshaft of the air condition compressor has the advantages that the cost and the energy consumption of the air compressor are reduced, and the efficiency of the air condition compressor is improved.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of bent axle of air condition compressor.
Background technique
Air condition compressor is a kind of driven fluid machinery of high pressure by low pressure refrigerant gas lift, and air condition compressor is the heart of refrigeration system, and rotary-piston type air condition compressor is widely used in domestic air conditioning.
Air condition compressor is of a great variety, and such as Chinese patent literature data discloses Rotary-type translation piston compressor [application number: 201310738478.X; Application publication number: CN103644117A], it comprises the cylinder with piston cavity and the bent axle with eccentric part, eccentric part is positioned at piston cavity, blade is provided with in cylinder, on eccentric part, cover has piston, outside piston side face has planar surface portion, spring is provided with between blade and cylinder, planar surface portion on blade and outside piston side face leans, the end face that blade and piston lean is plane, and the friction-reducing structure by the end face of blade can be made to lean with the planar surface portion on outside piston side face all the time between eccentric part with piston is connected.
The Rotary-type translation piston compressor of this kind of structure, crankshaft and piston is split type structure, bent axle has eccentric part, piston sleeve is on eccentric part, the antifriction cover be made up of teflon is provided with between eccentric part and piston, Spielpassung is between antifriction cover and eccentric part, piston, and between eccentric part and piston, also offer the structures such as the first spiral chute, the second spiral chute, the 3rd spiral chute, the first intercommunicating pore and the second intercommunicating pore, component are more, structure is comparatively complicated, and manufacture cost is high; Prune one piece at outside piston and form a facet and contact with vane end faces, the bent axle of this kind of structure still can drive piston to make piston there is the trend of rotation when rotated, and consume part energy, energy consumption is higher, thus reduces the efficiency of air condition compressor.
Summary of the invention
The object of the invention is for the above-mentioned problems in the prior art, propose a kind of bent axle of air condition compressor, solve the energy consumption how reducing existing air condition compressor, reduce the cost of air condition compressor.
Object of the present invention realizes by following technical proposal: a kind of bent axle of air condition compressor, it is characterized in that, one end of described bent axle has protrusion and the eccentric part of eccentric setting, described bent axle and eccentric part are integral structures, described eccentric part is cylindric, there is along the axis of bent axle in described bent axle the oil supply gallery run through, there is in described eccentric part the vestibule for duplicate removal, the two ends of described eccentric part have circular groove respectively, a cell wall of described circular groove is the end face of eccentric part, the bottom of described circular groove has oil through, described oil through makes the fluid in oil supply gallery can flow to eccentric part place.
The bent axle of this air condition compressor and eccentric part are integral structures, component are less, and structure is simple, reduce cost of production, eccentric part rotates with bent axle, there is not frictional force between eccentric part and bent axle, namely there is not the problem of eccentric part rotation in-fighting, and the setting of vestibule, greatly alleviate the weight of eccentric part, greatly reducing the energy consumption that bent axle needs when rotating, also reducing vibration and noise, improve the efficiency of air condition compressor; The setting of oil through and circular groove, makes the fluid in oil supply gallery enter into the two ends place of eccentric part by oil through, circular groove, eccentric part is played to the effect of lubrication, eccentric part is rotated smooth and easy, reduces energy consumption, improves the efficiency of air condition compressor.
In the bent axle of above-mentioned a kind of air condition compressor, described vestibule runs through eccentric part along the axis of bent axle.Vestibule runs through eccentric part, convenient formation, and the fluid at eccentric part two ends can be connected by vestibule, improves the lubrication effect of eccentric part, eccentric part is rotated smooth and easy, reduces energy consumption, improves the efficiency of air condition compressor.
In the bent axle of above-mentioned a kind of air condition compressor, the distance between the wall of described vestibule chamber is reduced towards centre gradually by the two ends of eccentric part.The structure of this kind of vestibule, convenient formation, and bent axle, eccentric part when rotated, the fluid being arranged in vestibule can better throw away towards the two ends of eccentric part, ensures the lubrication of eccentric part both ends of the surface, eccentric part is rotated smooth and easy, reduce energy consumption, improve the efficiency of air condition compressor.
In the bent axle of above-mentioned a kind of air condition compressor, the edge of described eccentric part both ends of the surface has fillet, and the radius of described fillet is 0.03-0.12mm.This place can only use fillet, can not chamfering.
In the bent axle of above-mentioned a kind of air condition compressor, described circular groove along Crankshaft to width be 2-4mm.Circular groove has certain width, ensure that fluid is by circular groove, makes fluid circulate smooth and easy, and the amount of fluid flowing is comparatively reasonable.
In the bent axle of above-mentioned a kind of air condition compressor, described bent axle has away from the end of eccentric part one end the locating slot be obliquely installed.Locating slot the installation facilitating bent axle is set.
In the bent axle of above-mentioned a kind of air condition compressor, described bent axle adopts the materials such as low-carbon alloy steel or low-alloy cast iron such as 20CrMnTi to make, through Wear-resistant Treatment on the outer circumferential wall of described eccentric part.
In the bent axle of above-mentioned a kind of air condition compressor, described air condition compressor also comprises cylinder, blade is provided with in described cylinder, described blade is resisted against on the outer circumferential wall of eccentric part, one end that described blade and eccentric part lean is R face, and the inner chamber of cylinder is divided into mutual disconnected suction chamber and compression chamber by described blade and eccentric part.When air conditioner compressor motor rotates, rotor banding dynamic crankshaft, eccentric part rotate, and make the Volume Changes of this suction chamber and compression chamber, take turns to carry out air-breathing and compression, complete the work cycle of compressor, the both sides of cylinder are fixed with upper cylinder cover and lower cylinder cap, upper cylinder cover, lower cylinder cap and cylinder form an inner chamber, blade, eccentric part is all arranged in this inner chamber, the both ends of the surface of eccentric part and all there is gap between upper cylinder cover and lower cylinder cap, the setting of circular groove makes oil through and all has passage between upper cylinder cover and lower cylinder cap, fluid in oil supply gallery is by oil through, circular groove, gap enters into the inner chamber of cylinder, enter into the vestibule of eccentric part, fluid forms oil film when being positioned at gap location, play lubrication eccentric part and upper cylinder cover, the effect of lower cylinder cap, eccentric part is rotated smooth and easy, reduce energy consumption, improve the efficiency of air condition compressor, one end that blade contacts with eccentric part is R face, R face can ensure that inner chamber can be divided into mutual disconnected suction chamber and compression chamber by eccentric part, reduce the area of contact of blade and eccentric part simultaneously, namely blade is reduced to the resistance of eccentric part, eccentric part is rotated smooth and easy, reduce energy consumption, improve the efficiency of air condition compressor.
Compared with prior art, the bent axle of air condition compressor provided by the invention has the following advantages:
1, the structure of this air-conditioner compressor crankshaft is simple, and component are less, reduces the cost of air condition compressor.
2, the eccentric part of this air condition compressor rotates with bent axle, eccentric part and bent axle are integral structures, there is not friction between eccentric part and bent axle, namely there is not the catabiotic problem of piston rotation in existing Compressor Technology, and the setting of vestibule, significantly reduce the weight of eccentric part, reduce energy required when eccentric part rotates, reduce energy consumption, improve the efficiency of air condition compressor, reduce vibrations simultaneously, reduce noise.
3, this air condition compressor arranges oil through and circular groove, make the intracavity inter-connection in oil supply gallery and cylinder, make the fluid in oil supply gallery can enter into inner chamber and eccentric part is lubricated, eccentric part is rotated smooth and easy, reduce energy consumption, improve the efficiency of air condition compressor.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of this air-conditioner compressor crankshaft.
Fig. 2 is the overall structure sectional view of this air-conditioner compressor crankshaft.
Fig. 3 is the partial structurtes schematic diagram of this air condition compressor.
Fig. 4 is the partial structurtes sectional view of this air condition compressor.
Fig. 5 is the enlarged view of this air-conditioner compressor crankshaft Fig. 2 a-quadrant.
Fig. 6 is the enlarged view in this air-conditioner compressor crankshaft Fig. 3 B region.
In figure, 1, bent axle; 2, eccentric part; 21, vestibule; 3, oil supply gallery; 4, circular groove; 5, oil through; 6, locating slot; 7, cylinder; 8, blade; 9, suction chamber; 10, compression chamber.
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, Figure 2, Figure 3 shows, this air condition compressor comprises bent axle 1, cylinder 7 and blade 8.
One end of bent axle 1 has the eccentric part 2 protruding and arrange, bent axle 1 and eccentric part 2 are integral structures, there is along the axis of bent axle 1 in bent axle 1 oil supply gallery 3 run through, eccentric part 2 is cylindric and eccentric part 2 is eccentrically set on bent axle 1, the edge of eccentric part 2 both ends of the surface has fillet, and in the present embodiment, the radius of fillet is 0.08mm, in actual production, the radius of fillet can be 0.03mm or 0.12mm.In the present embodiment, bent axle 1 adopts the low-carbon alloy Steel materials such as 20CrMnTi to make, and in actual production, bent axle 1 still can adopt the materials such as low-alloy cast iron to make, by Wear-resistant Treatment on the outer circumferential wall of eccentric part 2, make the outer circumferential wall of eccentric part 2 not easy to wear.Bent axle 1 has away from the end of eccentric part 2 one end the locating slot 6 be obliquely installed.
The both sides of cylinder 7 are fixed with upper cylinder cover and lower cylinder cap respectively, upper cylinder cover, between lower cylinder cap and the endoporus of cylinder 7, form inner chamber, as shown in Figure 6, the madial wall of cylinder 7 is provided with blade 8, blade 8 is resisted against on the outer circumferential wall of eccentric part 2 under the effect of spring force, the inner chamber of cylinder 7 is divided into mutual disconnected suction chamber 9 and compression chamber 10 by blade 8 and eccentric part 2, and one end that blade 8 and eccentric part 2 lean is R face.
There is in eccentric part 2 vestibule 21 for duplicate removal, in the present embodiment, the quantity of vestibule 21 is two, and two vestibules 21 run through eccentric part 2 along the axis of bent axle 1, two vestibules 21 are symmetrical set centered by a diameter of eccentric part 2 end face, two vestibules 21 one end close to each other is greater than the width of two vestibule 21 the other ends along eccentric part 2 radial direction along the width of eccentric part 2 radial direction, as shown in Figure 4, distance between two vestibule 21 chamber walls is reduced towards centre gradually by the two ends of eccentric part 2, in actual production, three or four vestibules 21 also can be set.
As shown in Figure 5, the two ends of eccentric part 2 all have circular groove 4, and in the present embodiment, circular groove 4 is 3mm along the width of bent axle 1 axis, and in actual production, circular groove 4 can be 2mm or 4mm along the width of bent axle 1 axis.A cell wall of circular groove 4 is the end face of eccentric part 2, the bottom of circular groove 4 has oil through 5, oil through 5 makes oil supply gallery 3 by the intracavity inter-connection of circular groove 4 and upper cylinder cover, gap between lower cylinder cap and eccentric part 2 and cylinder 7, fluid in oil supply gallery 3 enters into the inner chamber of cylinder by oil through 5, circular groove 4 and gap, enters into the vestibule 21 of eccentric part 2.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ the terms such as bent axle 1, eccentric part 2, vestibule 21, oil supply gallery 3, circular groove 4, oil through 5, locating slot 6, cylinder 7, blade 8, suction chamber 9, compression chamber 10 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (8)
1. the bent axle of an air condition compressor, it is characterized in that, one end of described bent axle (1) has protrusion and the eccentric part of eccentric setting (2), described bent axle (1) and eccentric part (2) are integral structures, described eccentric part (2) is in cylindric, there is along the axis of bent axle (1) in described bent axle (1) oil supply gallery (3) run through, there is in described eccentric part (2) vestibule (21) for duplicate removal, the two ends of described eccentric part (2) have circular groove (4) respectively, a cell wall of described circular groove (4) is the end face of eccentric part (2), the bottom of described circular groove (4) has oil through (5), described oil through (5) makes the fluid in oil supply gallery (3) can flow to eccentric part (2) place.
2. the bent axle of a kind of air condition compressor according to claim 1, is characterized in that, described vestibule (21) runs through eccentric part (2) along the axis of bent axle (1).
3. the bent axle of a kind of air condition compressor according to claim 2, is characterized in that, the distance between the wall of described vestibule (21) chamber is reduced towards centre gradually by the two ends of eccentric part (2).
4. the bent axle of a kind of air condition compressor according to claim 1 or 2 or 3, is characterized in that, the edge of described eccentric part (2) both ends of the surface has fillet, and the radius of described fillet is 0.03-0.12mm.
5. the bent axle of a kind of air condition compressor according to claim 1 or 2 or 3, is characterized in that, described circular groove (4) is 2-4mm along the width that bent axle (1) is axial.
6. the bent axle of a kind of air condition compressor according to claim 1 or 2 or 3, is characterized in that, described bent axle (1) has away from the end of eccentric part (2) one end the locating slot (6) be obliquely installed.
7. the bent axle of a kind of air condition compressor according to claim 1 or 2 or 3, it is characterized in that, described bent axle (1) adopts the materials such as low-carbon alloy steel or low-alloy cast iron such as 20CrMnTi to make, and the outer circumferential wall of described eccentric part (2) passes through Wear-resistant Treatment.
8. the bent axle of a kind of air condition compressor according to claim 1 or 2 or 3, it is characterized in that, described air condition compressor also comprises cylinder (7), blade (8) is provided with in described cylinder (7), described blade (8) is resisted against on the outer circumferential wall of eccentric part (2), one end that described blade (8) and eccentric part (2) lean is R face, and the inner chamber of cylinder (7) is divided into mutual disconnected suction chamber (9) and compression chamber (10) by described blade (8) and eccentric part (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510720897.XA CN105201851B (en) | 2015-10-30 | 2015-10-30 | A kind of bent axle of compressor of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510720897.XA CN105201851B (en) | 2015-10-30 | 2015-10-30 | A kind of bent axle of compressor of air conditioner |
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| Publication Number | Publication Date |
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| CN105201851A true CN105201851A (en) | 2015-12-30 |
| CN105201851B CN105201851B (en) | 2017-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510720897.XA Active CN105201851B (en) | 2015-10-30 | 2015-10-30 | A kind of bent axle of compressor of air conditioner |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843575A (en) * | 2018-06-19 | 2018-11-20 | 广东美芝制冷设备有限公司 | Crankshaft, compressor and refrigeration equipment |
| CN109441940A (en) * | 2018-06-29 | 2019-03-08 | 浙江百达精工股份有限公司 | Rotary compressor crankshaft blank manufacturing method |
| CN112943614A (en) * | 2021-02-10 | 2021-06-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft structure and compressor with same |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1169690A (en) * | 1994-10-21 | 1998-01-07 | 大金工业株式会社 | Release agent, hardened skin-film obtained from said release agent and forming method using said release agent |
| KR20070027365A (en) * | 2005-09-06 | 2007-03-09 | 엘지전자 주식회사 | Crank-shaft for compressor |
| KR20100036130A (en) * | 2008-09-29 | 2010-04-07 | 엘지전자 주식회사 | Crank shaft and hermetic compressor having the same and refrigerator having the same |
| CN201779015U (en) * | 2010-06-19 | 2011-03-30 | 广东美芝制冷设备有限公司 | Closed rotary compressor |
| CN201963516U (en) * | 2010-12-10 | 2011-09-07 | 珠海格力电器股份有限公司 | Compressor crank shaft and compressor using same |
| CN202108693U (en) * | 2011-06-30 | 2012-01-11 | 常州市科慧制冷设备有限公司 | Compressor crankshaft |
| CN203978758U (en) * | 2014-05-26 | 2014-12-03 | 珠海凌达压缩机有限公司 | Crankshaft structure and the compressor that comprises this crankshaft structure |
| CN104863860A (en) * | 2015-06-01 | 2015-08-26 | 刘志庆 | Crankshaft on rotary compressor |
| CN205225733U (en) * | 2015-10-30 | 2016-05-11 | 浙江百达精工股份有限公司 | Air condition compressor's bent axle |
-
2015
- 2015-10-30 CN CN201510720897.XA patent/CN105201851B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1169690A (en) * | 1994-10-21 | 1998-01-07 | 大金工业株式会社 | Release agent, hardened skin-film obtained from said release agent and forming method using said release agent |
| KR20070027365A (en) * | 2005-09-06 | 2007-03-09 | 엘지전자 주식회사 | Crank-shaft for compressor |
| KR20100036130A (en) * | 2008-09-29 | 2010-04-07 | 엘지전자 주식회사 | Crank shaft and hermetic compressor having the same and refrigerator having the same |
| CN201779015U (en) * | 2010-06-19 | 2011-03-30 | 广东美芝制冷设备有限公司 | Closed rotary compressor |
| CN201963516U (en) * | 2010-12-10 | 2011-09-07 | 珠海格力电器股份有限公司 | Compressor crank shaft and compressor using same |
| CN202108693U (en) * | 2011-06-30 | 2012-01-11 | 常州市科慧制冷设备有限公司 | Compressor crankshaft |
| CN203978758U (en) * | 2014-05-26 | 2014-12-03 | 珠海凌达压缩机有限公司 | Crankshaft structure and the compressor that comprises this crankshaft structure |
| CN104863860A (en) * | 2015-06-01 | 2015-08-26 | 刘志庆 | Crankshaft on rotary compressor |
| CN205225733U (en) * | 2015-10-30 | 2016-05-11 | 浙江百达精工股份有限公司 | Air condition compressor's bent axle |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843575A (en) * | 2018-06-19 | 2018-11-20 | 广东美芝制冷设备有限公司 | Crankshaft, compressor and refrigeration equipment |
| CN109441940A (en) * | 2018-06-29 | 2019-03-08 | 浙江百达精工股份有限公司 | Rotary compressor crankshaft blank manufacturing method |
| CN109441940B (en) * | 2018-06-29 | 2020-01-07 | 浙江百达精工股份有限公司 | Method for manufacturing crankshaft blank of rotary compressor |
| CN112943614A (en) * | 2021-02-10 | 2021-06-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft structure and compressor with same |
| CN112943614B (en) * | 2021-02-10 | 2022-05-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft structure and compressor with same |
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| CN105201851B (en) | 2017-11-07 |
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