CN105201851B - A kind of bent axle of compressor of air conditioner - Google Patents
A kind of bent axle of compressor of air conditioner Download PDFInfo
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- CN105201851B CN105201851B CN201510720897.XA CN201510720897A CN105201851B CN 105201851 B CN105201851 B CN 105201851B CN 201510720897 A CN201510720897 A CN 201510720897A CN 105201851 B CN105201851 B CN 105201851B
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- eccentric part
- bent axle
- compressor
- air conditioner
- annular groove
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Abstract
The invention provides a kind of bent axle of compressor of air conditioner, belong to field of mechanical technique.The problem of it solves existing compressor of air conditioner high energy consumption, low efficiency and high cost.The bent axle of this compressor of air conditioner, one end of bent axle has the eccentric part of protrusion and eccentric setting, bent axle and eccentric part are integral structures, eccentric part is cylindrical, has the vestibule having in the oil supply gallery run through, eccentric part for duplicate removal in bent axle along the axial direction of bent axle, the two ends of eccentric part have annular groove respectively, one cell wall of annular groove is the end face of eccentric part, and the bottom of annular groove has oil-through-hole, and oil-through-hole enables the fluid in oil supply gallery to flow at eccentric part.The bent axle of this compressor of air conditioner has cost, the energy consumption of reduction compressor of air conditioner, improves the advantage of air conditioner compressed engine efficiency.
Description
Technical field
The invention belongs to field of mechanical technique, it is related to a kind of bent axle of compressor of air conditioner.
Background technology
Compressor of air conditioner is that, by a kind of driven fluid machinery that low pressure refrigerant gas lift is high pressure, compressor of air conditioner is
The heart of refrigeration system, rotary-piston type compressor of air conditioner is widely used in domestic air conditioning.
Compressor of air conditioner species is various, and for example Chinese patent literature data discloses Rotary-type translation piston compressor [Shen
Please number：201310738478.X；Application publication number：CN103644117A], it includes the cylinder with plunger shaft and with bias
The bent axle in portion, eccentric part is located in plunger shaft, is provided with cylinder on blade, eccentric part and is cased with having on piston, outside piston side face
There are planar portions, spring is provided between blade and cylinder, blade leans with the planar portions on outside piston side face, blade and piston
The end face leant is plane, between eccentric part and piston by can make the end face of blade all the time with it is flat on outside piston side face
The friction-reducing structure that face leans is connected.
The Rotary-type translation piston compressor of this kind of structure, crankshaft and piston is that have partially on split type structure, bent axle
Center portion, piston bush is on eccentric part, provided with the antifriction set being made up of polytetrafluoroethylene (PTFE) between eccentric part and piston, and antifriction covers and inclined
Be between center portion, piston gap coordinate, and be further opened between eccentric part and piston the first helicla flute, the second helicla flute,
The structures such as the 3rd helicla flute, the first intercommunicating pore and the second intercommunicating pore, parts are more, and structure is complex, and manufacturing cost is high；
Outside piston is pruned one piece of formation, one facet and contacted with vane end faces, and the bent axle of this kind of structure can still drive when rotated
Piston makes piston there is the trend of rotation, consumes part energy, energy consumption is higher, so as to reduce the efficiency of compressor of air conditioner.
The content of the invention
The purpose of the present invention is to be directed to the above-mentioned problems in the prior art, it is proposed that a kind of song of compressor of air conditioner
How axle, solution reduces the energy consumption of existing compressor of air conditioner, reduces the cost of compressor of air conditioner.
The purpose of the present invention can be realized by following technical proposal：A kind of bent axle of compressor of air conditioner, it is characterised in that
One end of the bent axle has the eccentric part of protrusion and eccentric setting, and the bent axle and eccentric part are integral structures, described inclined
Center portion is cylindrical, and having to have in the oil supply gallery run through, the eccentric part along the axial direction of bent axle in the bent axle is used to go
The vestibule of weight, the two ends of the eccentric part have annular groove respectively, and a cell wall of the annular groove is the end face of eccentric part, institute
Stating the bottom of annular groove has oil-through-hole, and the oil-through-hole enables the fluid in oil supply gallery to flow at eccentric part.
The bent axle and eccentric part of this compressor of air conditioner are integral structures, and parts are less, simple in construction, and reduction is produced into
This, eccentric part is rotated with bent axle, frictional force is not present between eccentric part and bent axle, i.e., in the absence of eccentric part rotation in-fighting
Problem, and the setting of vestibule, mitigate the weight of eccentric part significantly, substantially reduce the energy consumption that bent axle needs in rotation, also subtract
Few vibration and noise, improve the efficiency of compressor of air conditioner；The setting of oil-through-hole and annular groove, enables the fluid in oil supply gallery to lead to
Cross oil-through-hole, annular groove to enter at the two ends of eccentric part, lubrication played a part of to eccentric part, rotate eccentric part smooth,
Energy consumption is reduced, the efficiency of compressor of air conditioner is improved.
In a kind of bent axle of above-mentioned compressor of air conditioner, the vestibule axially penetrates through eccentric part along bent axle.Vestibule is passed through
Wearing the fluid at eccentric part, convenient formation, and eccentric part two ends can be connected by vestibule, improve the lubricant effect of eccentric part,
Rotate eccentric part smooth, reduce energy consumption, improve the efficiency of compressor of air conditioner.
In a kind of bent axle of above-mentioned compressor of air conditioner, the distance between described vestibule cavity wall by eccentric part two ends court
Centre is gradually decreased.The structure of this kind of vestibule, convenient formation, and also bent axle, eccentric part are when rotated, the fluid in vestibule
It can preferably be thrown away towards the two ends of eccentric part, it is ensured that the lubrication of eccentric part both ends of the surface, rotate eccentric part smooth, reduce energy consumption,
Improve the efficiency of compressor of air conditioner.
In a kind of bent axle of above-mentioned compressor of air conditioner, the edge of the eccentric part both ends of the surface has fillet, described
The radius of fillet is 0.03-0.12mm.Fillet can only be used at this, it is impossible to chamfering.
In a kind of bent axle of above-mentioned compressor of air conditioner, width of the annular groove along bent axle axial direction is 2-4mm.Annular
Groove has certain width, it is ensured that fluid can make fluid circulation smooth by annular groove, and the amount of fluid flowing is relatively reasonable.
In a kind of bent axle of above-mentioned compressor of air conditioner, end of the bent axle away from eccentric part one end, which has, to be tilted
The locating slot of setting.The setting of locating slot facilitates the installation of bent axle.
In a kind of bent axle of above-mentioned compressor of air conditioner, the bent axle is using low-carbon alloy steel or low conjunctions such as 20CrMnTi
The materials such as golden cast iron are made, and Wear-resistant Treatment is passed through on the outer circumferential wall of the eccentric part.
In a kind of bent axle of above-mentioned compressor of air conditioner, the compressor of air conditioner also includes setting in cylinder, the cylinder
There is blade, the blade is resisted against on the outer circumferential wall of eccentric part, the blade is R faces with one end that eccentric part leans,
The inner chamber of cylinder is divided into mutual disconnected suction chamber and compression chamber by the blade and eccentric part.When air conditioner compressor motor rotation
When, rotor banding dynamic crankshaft, eccentric part are rotated, and make the Volume Changes of the suction chamber and compression chamber, and air-breathing and compression are carried out by turns, complete
Into the working cycles 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 formation one
Inner chamber, blade, eccentric part are respectively positioned in the inner chamber, and gap is respectively provided between the both ends of the surface and upper cylinder cover of eccentric part and lower cylinder cap,
The setting of annular groove makes the fluid being respectively provided between oil-through-hole and upper cylinder cover and lower cylinder cap in passage, oil supply gallery can be by logical oil
Hole, annular groove, gap enter in the inner chamber of cylinder, entered in the vestibule of eccentric part, and fluid forms oil when being located at gap location
Film, plays a part of lubrication eccentric part and upper cylinder cover, lower cylinder cap, rotates eccentric part smooth, reduces energy consumption, improves air conditioner compressed
The efficiency of machine；One end that blade is in contact with eccentric part is R faces, and R faces are that can guarantee that inner chamber can be divided into by eccentric part not connect mutually
Suction chamber and compression chamber, while reducing the contact area of blade and eccentric part, that is, reduce resistance of the blade to eccentric part, make partially
Center portion rotates smooth, reduces energy consumption, improves the efficiency of compressor of air conditioner.
Compared with prior art, the bent axle for the compressor of air conditioner that the present invention is provided has advantages below：
1st, this air-conditioner compressor crankshaft is simple in construction, and parts are less, reduces the cost of compressor of air conditioner.
2nd, the eccentric part of this compressor of air conditioner is rotated with bent axle, and eccentric part and bent axle are integral structure, eccentric part
Friction is not present between bent axle, i.e., in the absence of in existing Compressor Technology the problem of piston rotation consumed energy, and vestibule
Setting, significantly reduce the weight of eccentric part, reduce energy required when eccentric part is rotated, reduce energy consumption, improve air-conditioning pressure
The efficiency of contracting machine, while reducing vibrations, reduces noise.
3rd, this compressor of air conditioner sets oil-through-hole and annular groove, makes oil supply gallery and the intracavity inter-connection in cylinder, makes confession
Fluid in oily passage can be entered in inner chamber to be lubricated to eccentric part, is rotated eccentric part smooth, is reduced energy consumption, improves empty
Adjust the efficiency of compressor.
Brief description of the drawings
Fig. 1 is the overall structure 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 structural diagram of this compressor of air conditioner.
Fig. 4 is the lateral partial structurtes sectional view of this compressor of air conditioner.
Fig. 5 is the enlarged drawing in this air-conditioner compressor crankshaft Fig. 2A regions.
Fig. 6 is the enlarged drawing in this air-conditioner compressor crankshaft Fig. 3 B regions.
In figure, 1, bent axle；2nd, eccentric part；21st, vestibule；3rd, oil supply gallery；4th, annular groove；5th, oil-through-hole；6th, locating slot；7、
Cylinder；8th, blade；9th, suction chamber；10th, compression chamber.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in Figure 1, Figure 2, Figure 3 shows, this compressor of air conditioner includes bent axle 1, cylinder 7 and blade 8.
One end of bent axle 1 has the eccentric part 2 that protrusion is set, and bent axle 1 and eccentric part 2 are edges in integral structure, bent axle 1
The axial direction of bent axle 1 has the oil supply gallery 3 run through, and eccentric part 2 is cylindrical and eccentric part 2 is eccentrically set on bent axle 1, eccentric
The edge of the both ends of the surface of portion 2 has in fillet, the present embodiment, and the radius of fillet is 0.08mm, in actual production, and the half of fillet
Footpath can be 0.03mm or 0.12mm.In the present embodiment, bent axle 1 is made of low-carbon alloy Steel materials such as 20CrMnTi,
In actual production, bent axle 1 can be still made of materials such as low-alloy cast irons, by resistance on the outer circumferential wall of eccentric part 2
Mill processing, makes the outer circumferential wall of eccentric part 2 not easy to wear.End of the bent axle 1 away from the one end of eccentric part 2, which has, to be obliquely installed
Locating slot 6.
Shape between upper cylinder cover and lower cylinder cap, the endoporus of upper cylinder cover, lower cylinder cap and cylinder 7 has been respectively fixedly connected in the both sides of cylinder 7
Into inner chamber, as shown in fig. 6, the madial wall of cylinder 7 is provided with blade 8, blade 8 is resisted against eccentric part in the presence of spring force
On 2 outer circumferential wall, the inner chamber of cylinder 7 is divided into mutual disconnected suction chamber 9 and compression chamber 10, leaf by blade 8 and eccentric part 2
Piece 8 is R faces with one end that eccentric part 2 leans.
Have in eccentric part 2 in the vestibule 21 for duplicate removal, the present embodiment, the quantity of vestibule 21 is two, and two holes
Chamber 21 axially penetrates through eccentric part 2 along bent axle 1, and two vestibules 21 are symmetrical centered on a diameter of the end face of eccentric part 2
Set, width of two vestibules 21 one end close to each other along the radial direction of eccentric part 2 is more than two other ends of vestibule 21 along eccentric part 2
The width of radial direction, as shown in figure 4, the distance between two cavity walls of vestibule 21 are gradually decreased by the two ends of eccentric part 2 towards centre,
In actual production, three or four vestibules 21 can also be set.
As shown in figure 5, the two ends of eccentric part 2 are respectively provided with annular groove 4, the present embodiment, annular groove 4 is along the axial direction of bent axle 1
Width is 3mm, in actual production, and width of the annular groove 4 along the axial direction of bent axle 1 can be 2mm or 4mm.One of annular groove 4
Cell wall is the end face of eccentric part 2, and the bottom of annular groove 4 has an oil-through-hole 5, oil-through-hole 5 make oil supply gallery 3 by annular groove 4 with
And the gap between upper cylinder cover, lower cylinder cap and eccentric part 2 and the intracavity inter-connection of cylinder 7, the fluid in oil supply gallery 3 can pass through
Oil-through-hole 5, annular groove 4 and gap are entered in the inner chamber of cylinder, in the vestibule 21 for entering eccentric part 2.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more having used bent axle 1 herein, eccentric part 2, vestibule 21, oil supply gallery 3, annular groove 4, oil-through-hole 5, fixed
The terms such as position groove 6, cylinder 7, blade 8, suction chamber 9, compression chamber 10, but it is not precluded from the possibility using other terms.Use
These terms are used for the purpose of more easily describing and explaining the essence of the present invention；It is construed as any additional limit
System is all disagreed with spirit of the present invention.
Claims (6)
1. a kind of bent axle of compressor of air conditioner, it is characterised in that one end of the bent axle (1) has the inclined of protrusion and eccentric setting
Center portion (2), the bent axle (1) and eccentric part (2) are integral structures, and the eccentric part (2) is cylindrical, the bent axle (1)
The middle axial direction along bent axle (1) has the vestibule (21) having in the oil supply gallery (3) run through, the eccentric part (2) for duplicate removal,
The two ends of the eccentric part (2) have annular groove (4) respectively, and a cell wall of the annular groove (4) is the end of eccentric part (2)
Face, the bottom of the annular groove (4) has oil-through-hole (5), and the oil-through-hole (5) enables the fluid in oil supply gallery (3) to flow
To eccentric part (2) place, the vestibule (21) is axially penetrated through between eccentric part (2), vestibule (21) cavity wall along bent axle (1)
Distance is gradually decreased by the two ends of eccentric part (2) towards centre, and the oil supply gallery (3), two oil-through-holes (5) and vestibule (21) exist
Eccentric part (3) place forms a circular passage for oil circulation.
2. a kind of bent axle of compressor of air conditioner according to claim 1, it is characterised in that eccentric part (2) both ends of the surface
Edge there is fillet, the radius of the fillet is 0.03-0.12mm.
3. a kind of bent axle of compressor of air conditioner according to claim 1, it is characterised in that the annular groove (4) is along bent axle
(1) axial width is 2-4mm.
4. the bent axle of a kind of compressor of air conditioner according to claim 1 or 2 or 3, it is characterised in that the bent axle (1) is remote
There is the locating slot (6) that is obliquely installed from the end of eccentric part (2) one end.
5. the bent axle of a kind of compressor of air conditioner according to claim 1 or 2 or 3, it is characterised in that the bent axle (1) is adopted
It is made, is passed through on the outer circumferential wall of the eccentric part (2) of materials such as the low-carbon alloy steels such as 20CrMnTi or low-alloy cast irons
Wear-resistant Treatment.
6. a kind of bent axle of compressor of air conditioner according to claim 1 or 2 or 3, it is characterised in that the compressor of air conditioner
Also include being provided with blade (8) in cylinder (7), the cylinder (7), the blade (8) is resisted against the outer circumferential wall of eccentric part (2)
On, one end that the blade (8) and eccentric part (2) lean is R faces, and the blade (8) and eccentric part (2) are by cylinder (7)
Inner chamber is divided into mutual disconnected suction chamber (9) and compression chamber (10).
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 CN105201851A (en) | 2015-12-30 |
| CN105201851B true 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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Families Citing this family (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 |
| CN108788652A (en) * | 2018-06-29 | 2018-11-13 | 浙江百达精工股份有限公司 | Rotary compressor steel crank shaft manufacturing method |
| 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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| 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 crankshaft 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 compressor comprising same |
| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08120178A (en) * | 1994-10-21 | 1996-05-14 | Daikin Ind Ltd | Mold-releasing agent, cured coating film obtained from the mold-releasing agent and process for molding using the mold-releasing agent |
| KR100703665B1 (en) * | 2005-09-06 | 2007-04-06 | 엘지전자 주식회사 | Crank-shaft for compressor |
| KR101510697B1 (en) * | 2008-09-29 | 2015-04-10 | 엘지전자 주식회사 | Rotation shaft and hermetic compressor having the same and refrigerator having the same |
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2015
- 2015-10-30 CN CN201510720897.XA patent/CN105201851B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 crankshaft 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 compressor comprising same |
| 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 |
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| CN105201851A (en) | 2015-12-30 |
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