CN103518065B - Scroll compressor - Google Patents
Scroll compressor Download PDFInfo
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- CN103518065B CN103518065B CN201280022472.6A CN201280022472A CN103518065B CN 103518065 B CN103518065 B CN 103518065B CN 201280022472 A CN201280022472 A CN 201280022472A CN 103518065 B CN103518065 B CN 103518065B
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- oil
- copper
- impregnated
- scroll
- fixed
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
- F16C33/122—Multilayer structures of sleeves, washers or liners
- F16C33/125—Details of bearing layers, i.e. the lining
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/005—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
- F04C29/0057—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions for eccentric movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
- F16C33/104—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing in a porous body, e.g. oil impregnated sintered sleeve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1095—Construction relative to lubrication with solids as lubricant, e.g. dry coatings, powder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
- F16C33/128—Porous bearings, e.g. bushes of sintered alloy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/20—Manufacture essentially without removing material
- F04C2230/22—Manufacture essentially without removing material by sintering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/90—Improving properties of machine parts
- F04C2230/91—Coating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/50—Bearings
- F04C2240/56—Bearing bushings or details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0469—Other heavy metals
- F05C2201/0475—Copper or alloys thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2202/00—Solid materials defined by their properties
- F16C2202/50—Lubricating properties
- F16C2202/52—Graphite
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/42—Pumps with cylinders or pistons
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
An oil-impregnated cylindrically wound bushing (31) is obtained by winding, into a cylindrical shape, a multi-layered sintered sliding sheet (30) comprising a metallic back plate (28) and a porous copper-based metallic sintered layer (29) integrally formed in an adhering manner on one surface of the back plate (28); the porous copper-based metallic sintered layer (29) being disposed on the inner side. The resulting cylindrically wound bushing is subjected to an oil-impregnating treatment and impregnated with refrigerant oil.
Description
Technical field
The present invention relates to a kind of scroll compressor being arranged in air conditioner refrigerating device etc..
Background technology
In recent years, in refrigeration and compressor of air conditioner, the range of operation due to including rotating speed, pressure etc. expands and central hollow
Adjust appearance and consumingly need high reliability.Especially in central air-conditioning, due to being sealed in air conditioner inner refrigerant gas
Amount increases, and substantial amounts of refrigerant gas dissolve in for lubricating in the lubricating oil of slidingsurface between rotary shaft and e axle supporting part,
Then the viscosity making lubricating oil extremely declines, and causes in lubrication path and instantaneously makes due to forming refrigerant gas bubbles with bearing portions
Become bad lubrication, and the bearing damage of steady support rotating shaft may be caused.
As the bearing of the rotary shaft for supporting refrigeration and compressor of air conditioner, it is usually used with lower bearing：Wherein in the back of the body
The Oilite bronze based alloy being impregnated with graphite on lining metal sinters and allows Oilite bronze based alloy and graphite dilute
It is exposed to respect to the bearing on the slidingsurface of rotary shaft thinly（Referring to patent document 1）；By plates are molded
And the bearing as rolling bushing made, metallic plate has tool lubricity and wear-resisting on the slidingsurface with respect to rotary shaft
Property superficial layer so that surface is placed on inner side, the metallic plate with this superficial layer is to have by being impregnated with polytetrafluoroethylene (PTFE)（With
It is referred to as down PTFE）The steel plate of the porous sintered layer made with the bronze powder of lead（Referring to patent document 2）；Wherein in backing gold
The Oilite bronze based alloy being impregnated with the composite being made up of synthetic resin and lubriation material on genus be sintering and
Oilite bronze based alloy and composite is allowed sparsely to be exposed to respect to the bearing in the contact surface of axle（Referring to patent literary composition
Offer 3）；And include the porous layer being arranged in metal base and the bearing being immersed in porous in the layer fluororesin layer, and wherein
The finished surface that grinds that sinter layer exposes from fluororesin layer is made to be used as bearing slidingsurface（With reference to patent document 4）.
Prior art literature
Patent document
Patent document 1：JP-A-1987-200018
Patent document 2：JP-A-1999-107942
Patent document 3：JP-A-1984-194128
Patent document 4：JP-A-2004-251226
Content of the invention
The problem to be solved in the present invention
In conventional vortex formula compressor, it has the motor in closed vessel and is rotated by the output of this motor
Shaft-driven scroll compressor mechanism part, because substantial amounts of coolant gas are molten due to the pressure and temperature in closed vessel
Solution is in lubricating oil, so there being the situation that lubricating oil viscosity extremely declines.For this reason, oil film thickness is thinning, thus occurring from fluid
Dynamic lubrication region to the transfer in mixed lubrication region or boundary lubrication region, because localized metallic is caused with the contact of metal
Occlusion and inordinate wear.
Therefore, when using under conditions of unstable in lubricating condition, such as disclosed in above-mentioned patent document 2 to 4
Multi-layer bearing has excellent bearing characteristicses.Specifically it is contemplated that between validity period the inner peripheral surface of bearing and rotary shaft outer
Bearing clearance between perimeter surface（Referred to as space）Change little the fact, the multi-layer bearing disclosed in above-mentioned patent document 3 and 4
Use get a good review.But, the synthetic resin being arranged on the in the hole of sinter layer can be due to the exposure of sintering metal part
Change and during using the rising of temperature and through expanded by heating, and always there is the change of bearing clearances during using, then by
Contact with metal in localized metallic and produce occlusion and the problem of inordinate wear does not still solve.
Devise the present invention in view of above-mentioned each side, and its objective is to provide the scroll compressor with e axle supporting part
Machine, even if transfer from hydrodynamic lubrication region to mixed lubrication region or boundary lubrication region occurs, and it also can keep all
As the bearing characteristicses of low friction characteristic, wearability and bearer properties, even and if being used in especially needed in machine type of future generation
High-speed region when also will not occur occlusion etc. phenomenon.
The measure of solve problem
A kind of scroll compressor according to the present invention, this scroll compressor is provided with output in its closed vessel
The motor of rotary shaft, by motor output rotation axis rotate the scroll compressor mechanism part driving, for rotatable
The e axle supporting part of output rotation axis of ground supporting motor and the storage for storing the lubricating oil being applied to e axle supporting part
Nonresident portion, wherein scroll compressor mechanism part includes：Fixed scroll body, revolution vortex and compression chamber, fixed scroll body
Be fixed to closed vessel and there is scrollwork, revolution vortex with respect to closed vessel rotatably arranged with and have by motor
Output rotation axis rotation with respect to fixed scroll body scrollwork rotate scrollwork, compression chamber by make fixed scroll body and
The scrollwork of revolution vortex is engaged with each other and is formed, and scroll compressor mechanism part is suitable in compression chamber's internal pressure when driving
Contracting is discharged in closed vessel from the outside refrigerant gas sucking of closed vessel and by refrigerant gas, wherein fixed scroll body
There is fixed scroll body base portion, the scrollwork of fixed scroll body is provided integrally on fixed scroll body base portion, and fixed scroll body
Base portion is fixed to closed vessel, and revolution vortex has revolution scroll base portion, and the scrollwork of revolution vortex is arranged on back
Turn on scroll base portion, and turn round scroll base portion with respect to closed vessel rotatably arranged with wherein, the output of motor turns
Moving axis has the rotation shaft body of the rotor being fixed to motor and is connected to the one end rotating shaft body and with respect to rotary shaft
The eccentric shaft of the eccentric axis of body, and e axle supporting part includes the through hole that is arranged in fixed scroll body base portion, and rotate
In one side insertion through hole of shaft body；Sliding bearing, this sliding bearing is fixed in through hole chimericly, and in its inner peripheral surface
Place rotatably supports the side rotating shaft body；Through hole or sunk part, this through hole or sunk part are arranged on revolution whirlpool
In rotation body base portion, and eccentric shaft is arranged on through hole or depressed part office；Sliding bearing, this sliding bearing is fixed on through hole chimericly
Or in sunk part, and rotatably support eccentric shaft at its inner peripheral surface；Scaffold, this scaffold is fixed to closing
Container；And bearing, this bearing is arranged in scaffold, and rotatably supports rotation shaft body at its inner peripheral surface
Another side；And wherein each sliding bearing is made up of cylindrical shape rolling bushing, cylindrical shape rolling bushing has metal
Backing metal and the copper-based porous sintered layer being impregnated with oil, the copper-based porous sintered layer being impregnated with oil comprises graphite and with deposition side
Formula is integrally formed on the surface of backing metal, and cylindrical shape rolls bushing and can turn in copper-based being impregnated with oily porous sintered layer
One side of dynamic ground support rotating shaft body and eccentric shaft, and the copper-based porous sintered layer being impregnated with oil is by 5 to 20 quality %
Tin, the copper composition of the manganese of 5 to 15 quality %, the graphite of 5 to 20 quality % and surplus.
According to the scroll compressor of the present invention, sliding bearing is made up of cylindrical shape rolling bushing, this cylindrical shape rolling lining
Set has metal backing metal and the copper-based porous sintered layer being impregnated with oil, and the copper-based porous sintered layer being impregnated with oil is with heavy
Long-pending mode is integrally formed on the surface of backing metal, and by the tin of 5 to 20 quality %, the manganese of 5 to 15 quality %, 5 to 20 quality %
Graphite and surplus copper composition, and cylindrical shape roll bushing copper-based be impregnated with oil porous sintered layer at rotatable twelve Earthly Branches
Forward each in a side and eccentric shaft of moving axis body.Even if therefore in e axle supporting part from hydrodynamic lubrication region
Transfer to and when mixed lubrication region or boundary lubrication region, also can keep such as low friction characteristic, wearability and bearer properties
Bearing characteristicses, even and if for can machine type for example of future generation especially needed 9, the height of 000 to 10,000rpm
Fast region also can make coefficient of friction keep stably rotating and not produce occlusion when using.
According to the scroll compressor of the present invention, as the cylindrical shape rolling of the sliding bearing for forming e axle supporting part
The relative density of the copper-based porous sintered layer being impregnated with oil of bushing is set to 70 to 90%, preferably 80 to 90%.
Because the relative density of the copper-based porous sintered layer being impregnated with oil is set to 70 to 90%, preferably 80 to 90%,
So the bearer properties as sliding bearing can be improved.
According to the scroll compressor of the present invention, native graphite and/or Delanium are used as prop up as being used for forming axle
The cylindrical shape of the sliding bearing that bearing portion is divided rolls the copper-based of bushing and is impregnated with contained graphite in the porous sintered layer of oil.Natural stone
Ink is excellent in terms of the self lubricity of graphite itself, and Delanium is in addition to self-lubricating, or porous, thus it can serve as
The supporting material of lubricating oil.
As being immersed in the copper-based porous sintered in the layer lubricating oil being impregnated with oil, ester group or ether refrigerator can be used
Oil, such as has the ester oil of ester bond and carbonic acid oil, has ehter bond（-O-）PAG oil（Referred to as PAG）With poly- second
Thiazolinyl ether oil（Abbreviation PVE）Or the Synthin refrigerator oil of such as alkylbenzene or alpha-olefin low polymers.
These refrigerator oils are poorer than general oil lubrication in cold-producing medium atmosphere, but in the vortex according to the present invention
In compressor, because they are immersed in by the tin of 5 to 20 quality %, the manganese of 5 to 15 quality %, the graphite of 5 to 20 quality % and remaining
The copper-based of copper composition of amount is impregnated with oily porous sintered layer, makes the guarantor of oil film due to the cooperative effect of sinter layer and graphite
Hold and become excellent, thus actually can prevent greasy property from declining as far as possible, and the shortcoming not producing such as occlusion.
Advantages of the present invention
According to the present invention, e axle supporting partly in, rotate shaft body and eccentric shaft roll that bushing distinguishes by cylindrical shape can
Rotationally support, each cylindrical shape rolling bushing is had and is integrally formed on backing metal surface with depositional mode and by 5 to 20
The tin of quality %, the manganese of 5 to 15 quality %, the graphite of 5 to 20 quality % and surplus copper composition copper-based be impregnated with oil many
Such that it is able to provide a kind of scroll compressor, it not only rolls the lubrication of bushing to hole sinter layer in the cylindrical shape being impregnated with oil
Condition also can keep such as low rubbing when hydrodynamic lubrication zone-transfer is to mixed lubrication region or boundary lubrication region
Wipe the bearing characteristicses of characteristic, wearability and bearer properties, even and if for can be in the high speed of 9,000 to 10,000rpm
Region also can make coefficient of friction keep stably rotating without producing occlusion in cylindrical shape rolling bearings when using.
Brief description
Fig. 1 is the sectional view of the scroll compressor according to the present invention；
Fig. 2 is the sectional view of multi-layer sintering sliding panel；
Fig. 3 is the stereogram that cylindrical shape rolls bushing；And
Fig. 4 is the vertical sectional view of Fig. 3.
Specific embodiment
Shown preferred embodiment is given and implements being described in more detail of mode of the present invention referring to the drawings.It should be noted that
It is that the present invention is not limited to this embodiment.
In FIG, scroll compressor 1 has the tubulose closed vessel 2 of closed at both ends, and in closed vessel 2, is vortexed
Formula compression mechanism section 3 is arranged in the top within closed vessel 2, and motor 4 is arranged in its underpart.This two components
By means of output rotation axis 5 interlocked with one another and connection.Motor 4 is made up of rotor 4a and stator 4b, and rotor 4a be fixed to defeated
Go out rotary shaft 5, and stator 4b is fixed to closed vessel 2.Scroll compressor mechanism part 3 has the fixed scroll body being engaged with each other
6 and revolution vortex 7.Fixed scroll body 6 has end plate 6a and the scrollwork 6b being vertically arranged on the lower surface thereof.Discharge port 6c
It is arranged in the core of end plate 6a, and be provided for opening and closing the drain valve 8 of discharge port 6c.Fixed scroll body 6
It is fixed to closed vessel 2 by means of the supporting part 9 being arranged at closed vessel 2 internal upper part position.Revolution vortex 7 has end
The plate 7a and scrollwork 7b being vertically arranged on surface thereon, and tube shape bulge part 7c is formed on the lower surface of end plate 7a.Logical
Cross and the center of fixed scroll body 6 and revolution vortex 7 be offset from one another preset distance and offset 180 ° of angles, make scrollwork 6b and 7b that
This engagement, forms the compression chamber 27 being made up of multiple closing spaces.
Output rotation axis 5 are provided integrally with the eccentric shaft rotating shaft body 5a and being arranged on the upper end rotating shaft body 5a
5b, and there is the axis with respect to the eccentric axis rotating shaft body 5a.Rotate shaft body 5a to prop up by being fixed in its underpart
Bearing portion divides 10 housing 11 to rotatably support, and housing 11 is arranged on by means of the bearing 12 of such as rolling bearing or sliding bearing
In the bottom of closed vessel 2, and rotation shaft body 5a is rotatably supported by means of sliding bearing 13 at an upper portion thereof, sliding bearing
The inner surface 9c of 13 tube shape bulge parts 9a being fixed to supporting part 9 chimericly.With the eccentric shaft rotating shaft body 5a one
5b is rotatably supported by sliding bearing 14, and sliding bearing 14 is fixed to the inner surface 7d of tube shape bulge part 7c chimericly, pipe
The lower surface setting of the end plate 7a perpendicular to revolution vortex 7 for the shape projection section 7c.
Inside output rotation axis 5, form oil guiding hole 15, one end of oil guiding hole 15 is opened in the end rotating shaft body 5a
Mouthful, and its other end is in the upper end opening of eccentric shaft 5b, and to the inner peripheral surface of sliding bearing 12 and 13, i.e. slidingsurface supplies
To lubricating oil.It is formed with oil circuit hole 15a in output rotation axis 5, it is connected with oil guiding hole 15, and is supplied to from oil guiding hole 15
Lubricating oil.Differential pressure type oil part 16 is arranged at the opening of oil guiding hole 15 being formed in output rotation axis 5, and differential pressure type oil
Part 16 connects with being arranged on the storage part 17 for lubricating oil for closed vessel 2 bottom.
It is formed at the end plate of revolution vortex 7 by the back pressure chamber 18 that the space that end plate 7a and supporting part 9 are closed is formed
On the rear surface of 7a.Being suitable to will be between suction pressure and discharge by turning round the elongated hole 19 getting out in the end plate 7a of vortex 7
Intermediate pressure between pressure introduces back pressure chamber 18.When the rotation by output rotation axis 5 makes the tubulose of revolution vortex 7 convex
When platform part 7c rotates in back pressure chamber 18, revolution vortex 7 realizes rotational motion, and the scrollwork 7b when revolution vortex 7
And the scrollwork 6b of fixed scroll body 6 between when contacting with each other mobile, the refrigerant gas being sucked by inlet tube 20 are from whirlpool
Rotation shape exterior chamber is compressed towards internal chamber, and by being arranged on the discharge port in the core of fixed scroll body 6
9c is discharged in closed vessel 2, outer through the passage 21 in the outer peripheral portion being arranged on fixed scroll body 6 and supporting part 9
Zhou Tongdao 22, is discharged into machine exterior by delivery pipe 23.
The compression chamber being formed by scrollwork 6b and 7b and end plate 6a and 7a of fixed scroll body 6 and revolution vortex 7
27 volume is gradually reduced towards inner side from outside, then when the air in compression chamber 27 from outside towards medial movement space-time
Atmospheric pressure raises.Additionally, Jie is maintained at by elongated hole 19 by the back pressure chamber 18 that revolution vortex 7 and supporting part 9 are formed
Under the intermediate pressure between suction pressure and discharge pressure.Thus, by means of intermediate pressure in compression section and internal pressure
Between pressure reduction, revolution vortex 7 compresses fixed scroll body 6, on the one hand thus to keep being the respective distal end of scrollwork 6b and 7b,
On the other hand it is respective end plates 6a and 7a, the close contact of the gap location hermetic unit between these two aspects.
It is stored in the lubricating oil in the storage part 17 at the bottom of closed vessel 2, by means of the high pressure in closed vessel 2
With the pressure reduction of the intermediate pressure in back pressure chamber 18, risen by the oil guiding hole 15 of output rotation axis 5, and upper from oil guiding hole 15
End opening is supplied to the sliding bearing 14 for rotationally supporting eccentric shaft 5b, and also by the oil circuit hole connecting with oil guiding hole 15
15a be supplied to for bottom, such as rolling bearing or sliding bearing the bearing 12 rotatably supporting output rotation axis 5 with
And for rotatably supporting the sliding bearing 13 on the top of output rotation axis 5.
Therefore, scroll compressor 1 includes in closed vessel 2：There is the motor 4 of output rotation axis 5, by motor
4 rotation of output rotation axis 5 and drive scroll compressor mechanism part 3, for rotatably supporting the output of motor 4
The e axle supporting part 25 of rotary shaft 5 and the storage part 17 for storing the lubricating oil being supplied to e axle supporting part 25.It is vortexed
Formula compression mechanism section 3 includes fixed scroll body 6, revolution vortex 7 and compression chamber 27, and fixed scroll body 6 is fixed to envelope
Close container 2 and there is scrollwork 6b, revolution vortex 7 with respect to closed vessel 2 rotatably arranged with and there is scrollwork 7b, scrollwork 7b
Make the rotation of output rotation axis 5 by motor 4 and rotate with respect to the scrollwork 6b of fixed scroll body 6, compression chamber 27
Formed by making scrollwork 6b and 7b of fixed scroll body 6 and revolution vortex 7 be engaged with each other.When scroll compressor mechanism part
3 when being driven, and is suitable to compression sucks outside closed vessel 2 in compression chamber 27 refrigerant gas and by refrigerant gas
It is discharged into closed vessel 2, and the refrigerant gas being discharged in closed vessel 2 are discharged into outside closed vessel 2.Fixed scroll
Body 6 is made up of end plate 6a and supporting part 9, and has fixed scroll body base portion 6d, and scrollwork 6b is integrally provided at end plate 6a
On fixed scroll body base portion 6d, and fixed scroll body base portion 6d is fixed to closed vessel 2.Revolution vortex 7 by end plate 7a and
Tube shape bulge part 7c is constituted, and has revolution scroll base portion 7e, and scrollwork 7b is provided integrally at revolution whirlpool at end plate 7a
Rotation body base portion 7e on, and turn round scroll base portion 7e with respect to closed vessel 2 rotatably arranged with.The output of motor 4 rotates
Axle 5 has rotation shaft body 5a and eccentric shaft 5b, rotates the rotor 4a that shaft body 5a is fixed to motor 4, and eccentric shaft 5b is even
It is connected to the one end rotating shaft body 5a and with respect to the eccentric axis rotating shaft body 5a.E axle supporting part 25 includes：Circular hole, should
Circular hole defines and function as, by the inner surface 9c of tube shape bulge part 9a, the through hole being arranged in fixed scroll body base portion 6d, and rotates
One side of shaft body 5a is inserted in this circular hole；Sliding bearing 13, this sliding bearing 13 is fixed on by tube shape bulge portion chimericly
In the circular hole that the inner surface 9c of point 9a limits, and rotationally and slidably support rotary shaft body 5a at its inner peripheral surface
A side；Circular depressed part, this circular depressed part defines and function as setting by the inner surface 7d of tube shape bulge part 7c
Through hole in revolution scroll base portion 7e or sunk part, and eccentric shaft 5b setting is in this place；Sliding bearing 14, this sliding axle
Holding 14, to be fixed on the circular depressed being limited by the inner surface 7d of tube shape bulge part 7c partly interior and in its inner peripheral surface chimericly
Place rotationally and slidably supports eccentric shaft 5b；Scaffold 26, this scaffold 26 be fixed to closed vessel 2 and by
Bearing portion divide 10 and housing 11 constitute；Circular hole 11a, this circular hole 11a is arranged in the housing 11 of scaffold 26, and is used as wherein to set
Put the through hole of another side rotating shaft body 5a or sunk part；And bearing 12, all rolling bearings in this way of this bearing 12 or
Sliding bearing, it is fixed in circular hole 11a chimericly, and rotationally and slidably support rotating shaft at its inner peripheral surface
The another side of body 5a.
It is respectively used to rotatably support rotation one side of shaft body 5a and each sliding bearing 13 He of eccentric shaft 5b
14 by be impregnated with oil cylindrical shape rolling bushing 31 constitutes, wherein cylindrical shape rolling bushing stand oil-impregnated process cold to be impregnated with
Freeze machine oil, this cylindrical shape rolling bushing obtains by multi-layer sintering sliding panel 30 is wound into cylindrical shape, and multi-layer sintering slides
Plate 30 is integrally formed in the copper-based porous on a surface of backing metal 28 by metal backing metal 28 with depositional mode
Sintered metal layer 29 is constituted, and so that copper-based porous sintered metal layer 29 is placed in inside bushing.
As metal backing metal 28, preferably with cold-rolled steel sheet（SPCC）.
With depositional mode be integrally formed in copper-based porous sintered metal layer 29 on a surface of backing metal 28 by 0.5 to
The tin composition of 20 mass %, the copper component structure of the manganese composition, the graphite content of 5 to 25 quality % and surplus of 0.1 to 35 quality %
Become.
For forming the tin composition of copper-based porous sintered metal layer 29 by the copper component alloying with composition main component
And form copper-tin alloy（Bell metal）.Tin composition strengthen copper-tin alloy matrix in solid solution, improve includes its intensity with
Hardness is in interior mechanical strength, and improves load-carrying properties, wearability and the seizure resistance as sliding bearing.The content of tin composition
For 0.5 to 20 quality %, preferably 5 to 20 quality %.If the content of tin composition is less than 0.5 mass %, strengthening copper-tin closes
The effect of auri body is inadequate, and if tin component content more than 20 mass %, then the shortcoming that copper-tin alloy matrix becomes fragile.
Manganese content forms the solid solution of all proportions with respect to the copper component constituting main component.Manganese composition mainly helps
The solid solution of strengthening copper-tin alloy matrix simultaneously assumes the effect improving mechanical strength and wearability.For the effect of this manganese composition,
When its content is 0.1 mass %, the effect of the effect of solid solution of strengthening copper-tin alloy matrix and improvement wearability starts to show
Existing, when this content is 0.5 mass %, these effects become notable, and still show these effects during up to 35 mass %.Meanwhile,
If the content of manganese composition is deposited in copper-tin alloy matrix more than 10 mass %, hard copper-tin-manganese phase, and this hard
Exist and during graphite, present the effect improving wearability, but if the content of manganese composition is more than 35 mass %, the then deposition of this hard phase
Even if quantitative change is too much it is possible to content of graphite increases, wearability also can be made to reduce, matching parts be caused damage.Thus,
The content of manganese composition is 0.1 to 35 quality %, preferably 0.5 to 20 quality %.
Graphite content assumes, by being dispersedly included in copper-tin-manganese alloy matrix, the self-lubricating improving sliding bearing
Property effect, and also improve load and wearability.As graphite content, using in native graphite and Delanium at least
A kind of.Native graphite is excellent in terms of the self lubricity of graphite itself, and Delanium is in addition to self-lubricating, or porous,
Thus it can serve as the supporting material of lubricating oil.The content of graphite content by based on above-mentioned manganese component content hard in copper-tin
Deposition rate in alloy substrate determines, and is 5 to 25 quality %, preferably 10 to 20 quality %.If the content of graphite content
Less than 5 mass %, then it is difficult to give self lubricity, and if its content is more than 25 mass %, then the mechanical strength meeting of sinter layer can
Can decline.
Copper component constitutes the main component of copper-based porous sintered metal layer, and its content is from copper-based porous sintered metal layer
Total amount deduct the surplus that tin composition, manganese composition and graphite content obtain.
Then, provide the description that the cylindrical shape as the sliding bearing with said components rolls the manufacture method of bushing.
As metal backing metal, prepare the cold-rolled steel sheet that thickness is 0.5 to 2.5mm（SPCC）.
Preparation：Granularity is 75 μm or less, preferably 45 μm or less of cathode copper powder；Granularity is 75 μm or more
Little, preferably 45 μm or less atomized tin powder；Granularity is 45 μm or less of manganese powder end；And granularity is 150 μm or more
Little natural graphite powder and Delanium powder.By at least in tin powder, manganese powder end, native graphite and Delanium
Kind and copper powders be filled in V-type blender, mix 20 to 40 minutes, thus make mixed-powder, this mixed-powder by
The tin powder of 0.5 to 20 quality %, the manganese powder end of 0.1 to 35 quality %, in the native graphite and Delanium of 5 to 25 quality %
At least one and surplus copper powders form.
Aforementioned mixed-powder is made to be evenly distributed on the uniform thickness on the surface of the backing metal being made up of aforementioned cold-rolled steel sheet
In degree, and sinter 10 to 30 minutes at a temperature of 700 to 900 DEG C in heating furnace, this heating furnace is adjusted to such as cracking ammonia
The reducing atmosphere of gas, nitrogen or nitrogen-ammonia gas mixture body or nonoxidizing atmosphere, with thus with depositional mode in backing metal
Be integrally formed on a surface copper-based porous sintered layer.Then, stand under rolling pressure to roll and make copper-based porous sintered layer
After thickness becomes 0.2 to 1.0mm, by this composite wood at a temperature of 700 to 900 DEG C in the heating furnace being adjusted to aforementioned atmosphere
Material re-sinters 10 to 30 minutes, and the relative density thus making wherein copper-based porous sintered layer is 70 to 90% multi-layer sintering cunning
Dynamic plate.
This multi-layer sintering sliding panel is wound, makes copper-based porous sintered layer be located at inner side, and thus manufacture has required chi
Very little cylindrical shape rolling bushing.In this cylindrical shape rolling bushing, such as machining or attrition process can be implemented as needed
Machining, thus be improved dimensional accuracy cylindrical shape rolling bushing.
Then, this cylindrical shape rolling bushing is carried out oil with the refrigerator oil of ester or ether system or the refrigerator oil of Synthin
Impregnation process, thus to make the cylindrical shape rolling bushing being impregnated with oil, wherein copper-based porous sintered layer is impregnated with refrigerator oil.
The oil content being immersed in copper-based porous sintered in the layer refrigerator oil is set to 20 to 30 volumes %.
The cylindrical shape rolling bushing 31 being impregnated with oil of the such manufacture as sliding bearing 13 is press-fitted to by tube shape bulge
The circular hole that the inner surface 9c of part 9a limits is interior and is used as to be arranged in fixed scroll body base portion 6d and wherein plug rotary shaft originally
The through hole of one side of body 5a, thus the cylindrical shape being impregnated with oil by means of this rolls the copper-based leaching in the inner peripheral surface of bushing 31
Stain has a side of the porous sintered layer 29 of oil rotationally and slidably support rotary shaft body 5a.Additionally, as slip
The cylindrical shape rolling bushing 31 being impregnated with oil of bearing 14 is press-fitted to the circle being limited by the inner surface 7d of tube shape bulge part 7c
In sunk part, and it is used as to be arranged in revolution scroll base portion 7e and be provided with through hole or the sunk part of eccentric shaft 5b,
Thus the cylindrical shape being impregnated with oil by means of this rolls the copper-based porous sintered layer being impregnated with oil in the inner peripheral surface of bushing 31
29 rotationally and slidably support eccentric shaft 5b.
Then, with regard to the cylindrical shape rolling bushing 31 and the routine cylinder that are impregnated with oil as each sliding bearing 13 and 14
Shape rolls bushing, and with regard to its frictional behaviour in refrigerator oil, test withdrawn from by refrigerator oil and load-carrying properties are compared
Test.
As sample I, using the cylindrical shape rolling bushing being impregnated with oil, wherein cylindrical shape rolling bushing is impregnated with 20 bodies
The ether system refrigerator oil as refrigerator oil of long-pending %, this cylindrical shape rolling bushing passes through multi-layer sintering sliding panel（Thickness：
1.0mm）Wind and obtain, wherein copper-based porous sintered layer passes through to be deposited on the backing gold being made up of the thick cold-rolled steel sheet of 0.7mm
It is formed with 0.3mm thickness, this copper-based porous sintered layer is located at inner side, this copper-based porous sintered layer is by 10 on the surface belonging to
The tin composition of quality %, the manganese composition of 12 mass %, the graphite of 12 mass %（Delanium）Composition and the copper component of surplus（66
Quality %）Constitute.In this cylindrical shape rolling bushing that this is impregnated with oil, the relative density of copper-based porous sintered layer is 85%.
As sample II, roll bushing using cylindrical shape, this cylindrical shape rolling bushing passes through multilayer sliding panel（Thickness：
1.0mm）Wind and obtain, wherein multi-layer sintering plate has porous sintered bell metal layer, this porous sintered bell metal layer leads to
Cross on the surface be deposited on the backing metal being made up of the thick cold-rolled steel sheet of 0.7mm and be formed with 0.2mm thickness, this multilayer
Sintered plate impregnates and applies by the composition of the polyflon base of 0.1mm thickness, and polyflon based component is located at
Inner side, and and then by make cylindrical shape roll bushing inner peripheral surface stand machining so that porous sintered bell metal layer with
20% area ratio is exposed in this inner peripheral surface.
<Frictional behaviour with regard to refrigerator oil>
<Test condition>
According to the test under above-mentioned test condition, in the situation rolling bushing according to the cylindrical shape being impregnated with oil of sample I
Under, coefficient of friction shows extremely low less than 0.02 in more than the 500rpm up to region of the number of revolutions of 10000rpm
Value, and in the case of the cylindrical shape rolling bushing according to sample II, exist in the region coefficient of internal friction of number of revolutions 500rpm
Fluctuate between 0.01 to 0.06, and be engaged in the region of number of revolutions 7000rpm.Additionally, in the dipping according to sample I
In the case of having the cylindrical shape rolling bushing of oil, wear extent is shown as 0.001mm, and the wear extent of matching parts is shown as
0.001mm, and in the case of the cylindrical shape rolling bushing according to sample II, bushing and matching parts all stand large area and damage,
And can not measure.
<Test withdrawn from by refrigerator oil>
Carry out refrigerator oil in axle journal test and withdraw from test, thus confirming the rolling bushing according to sample I and sample II
Compatibility and refrigerator oil between.
<Test condition>
Speed：5.65m/s(3600rpm)
Load:2.9MPa(1914N)
Refrigerator oil：Ether refrigerator oil [dynamic viscosity（40℃）：66.6mm2/s]
Matching parts：Carbon steel for machine construction（S45C）, impewdance matching（Hardness：HRc50）
Space：0.03mm
Method of testing：Cylindrical shape rolling bushing according to sample I and sample II and matching parts（Rotary shaft）It is separately mounted to
It is installed on the axle journal test machine in oil sump, roll the shape in the refrigerator oil that bushing and matching parts are partly immersed in oil sump in cylindrical shape
Under state, bushing imposed load is rolled to cylindrical shape, the state rotating from matching parts is withdrawn from the refrigerator of oil sump in refrigerator oil
Oil after and until coefficient of friction raise till the required time be compared.
In the cylindrical shape rolling being impregnated with oil according to sample I rolling bushing similar to the above-mentioned cylindrical shape being impregnated with oil
In the case of bushing, during starting to past 10 minutes from test, coefficient of friction is maintained at not higher than 0.01 low value, in mistake
Remove to withdraw from the low value that coefficient of friction in the state of refrigerator oil is maintained at not higher than 0.01 when 10 minutes, and mistake after test starts
Go 40 minutes afterwards（Go over 30 minutes from the state withdrawing from refrigerator oil afterwards）Coefficient of friction raises；And similar to above-mentioned circle
In the case that tubular rolls the cylindrical shape rolling bushing according to sample II of bushing, during starting to past 10 minutes from test
Coefficient of friction is maintained at not higher than 0.01 low value, with according to sample I be impregnated with oil cylindrical shape rolling bushing identical, in mistake
Remove to withdraw from the low value that coefficient of friction in the state of refrigerator oil is maintained at not higher than 0.01 when 10 minutes, and mistake after test starts
Go 25 minutes afterwards（Go over 15 minutes from the state withdrawing from refrigerator oil afterwards）Coefficient of friction raises.
Withdraw from test in above-mentioned refrigerator oil, test result shows the cylindrical shape rolling being impregnated with oil according to sample I
Bushing assumes the excellent affinity with refrigerator oil.
<With regard to load-carrying properties>
It will be understood that because the impact of cold-producing medium and long-term shutdown can occur drying in scroll compressor（Unlubricated friction
Wipe）State, carries out load-carrying properties test in dry conditions.
Using sample I：It is impregnated with the multilayer sliding panel of oil, it passes through multi-layer sintering sliding panel（Thickness：1.0mm）Cutting
The length becoming one side obtains for 30mm, and this multilayer sliding panel is impregnated with the ether refrigerator oil as refrigerator oil, this multilayer
Sintering sliding panel has by being formed with the copper of 0.3mm thickness on the surface that is deposited on the cold-rolled steel sheet thick by 0.7mm
Quito hole sinter layer, this copper-based porous sintered layer by the tin composition of 10 mass %, the manganese composition of 12 mass %, 12 mass % graphite
（Delanium）Composition and remaining copper component（66 mass %）Constitute.
Using sample II：Multilayer sliding panel, this multilayer sliding panel passes through multilayer sliding panel（Thickness：1.0mm）Cut into
Square for 30mm of one edge lengths and obtain, this multilayer sliding panel has and is made up of the thick cold-rolled steel sheet of 0.7mm by being deposited on
The surface of backing metal on and be formed with the porous sintered bell metal layer of 0.2mm thickness, this multilayer sliding panel impregnate
And apply the composition of the polyflon base of 0.1mm thickness, and and then by making the surface of the multilayer sliding panel of well cutting
Stand to machine so that porous sintered bell metal layer is exposed on a surface with 20% area ratio.
<Test condition>
Speed：1.2m/s
Load：Every 10 minutes accumulation imposed loads
Atmosphere：Normal temperature in an atmosphere（23℃）
Matching parts：Quenched carbon steel for machine construction（S45C）The sleeve made
Motor pattern：The end face of matching parts abuts the surface of multilayer sliding panel, and matching parts stands continuous rotational motion.
In the case of the multilayer sliding panel according to sample II, load shows the bearing capacity of 7MPa, according to sample I's
In the case of multilayer sliding panel, load shows the bearing capacity of 10MPa.Additionally, the wear extent of the multilayer sliding panel according to sample I
It is 0.019mm, and the wear extent of matching parts is 0.002mm, and according to the wear extent of the multilayer sliding panel of sample II be
0.061mm, and the wear extent of matching parts is 0.003mm.
Can be seen that the cylindrical shape rolling bushing and the multilayer slip that are impregnated with oil according to sample I from above-mentioned test result
Plate is excellent with the compatibility of refrigerator oil, assumes excellent oil film and keeps, and improves wearability, and due to without synthesis tree
Fat, its excellent in dimensional stability during the process of inside diameter surface, and assume excellent bearer properties in dry conditions.
When be impregnated with oil cylindrical shape rolling bushing be press-fitted into respectively limited by the inner surface 9c of tube shape bulge part 9a,
And fixed scroll body base portion 6d is interior and scroll compressor is inserted in the wherein side for rotating shaft body 5a as being arranged on
The circular hole of through hole, and be press-fitted into and limited and be used as by the inner surface 7d of tube shape bulge part 7c to be arranged on revolution vortex base
Portion 7e is interior and is provided with the through hole of eccentric shaft 5b or the circular depression timesharing of sunk part, using the teaching of the invention it is possible to provide such vortex
Compressor, this scroll compressor not only rolls the lubricating condition of bushing from hydrodynamic lubrication area in the cylindrical shape being impregnated with oil
Domain is transferred to and also can be kept such as low friction characteristic, wearability and bearer properties when mixed lubrication region or boundary lubrication region
Bearing characteristicses, even and if for can 9,000 to 10,000rpm high-speed region use when also can be with low friction
Coefficient keeps stable rotation without producing occlusion in cylindrical shape rolling bushing.
The explanation of reference
1:Scroll compressor
2:Closed vessel
3:Scroll compressor mechanism part
4:Motor
5:Output rotation axis
5b:Eccentric shaft
6:Fixed scroll body
6b,7b:Scrollwork
7:Revolution vortex
13,14:Sliding bearing
28:Backing metal
29:Copper-based porous sintered metal layer
31:It is impregnated with the cylindrical shape rolling bushing of oil
Claims (3)
1. a kind of scroll compressor, described scroll compressor is provided with its closed vessel has the electronic of output rotation axis
Machine, by described motor described output rotation axis rotate drive scroll compressor mechanism part, be used for rotatable twelve Earthly Branches
Hold the e axle supporting part of the described output rotation axis of described motor and the profit being applied to described e axle supporting part for storage
The storage part of lubricating oil, wherein said scroll compressor mechanism part includes：Fixed scroll body, revolution vortex and compression chamber
Room, fixed scroll body is fixed to described closed vessel and has scrollwork, and revolution vortex is rotatable with respect to described closed vessel
Arrange and have the rotation of the described output rotation axis by described motor and turn with respect to the scrollwork of described fixed scroll body
Dynamic scrollwork, compression chamber is formed, institute by making the scrollwork of described fixed scroll body and described revolution vortex be engaged with each other
State scroll compressor mechanism part to be suitable to when driving suck outside described closed vessel in described compression chamber interior compression
Refrigerant gas and described refrigerant gas are discharged in described closed vessel, wherein said fixed scroll body has fixation
Scroll base portion, the described scrollwork of described fixed scroll body is provided integrally on described fixed scroll body base portion, and described solid
Determine vortex body base portion is fixed to described closed vessel, and described revolution vortex has revolution scroll base portion, described revolution
The described scrollwork of vortex is arranged on described revolution scroll base portion, and described revolution scroll base portion is with respect to described closing
Container is rotatably arranged with wherein, the described output rotation axis of described motor have the rotor being fixed to described motor
Rotate shaft body and be connected to described one end rotating shaft body the bias with respect to the described eccentric axis rotating shaft body
Axle, and described e axle supporting part includes：First through hole, described first through hole by described fixed scroll body supporting part pipe
The inner surface of shape projection section limits, and the described side rotating shaft body is inserted in described first through hole；First sliding axle
Hold, described first sliding bearing is fixed in described first through hole chimericly, and rotatably support institute at its inner peripheral surface
State the side rotating shaft body；Second through hole or sunk part, described second through hole or sunk part are arranged on described revolution
In scroll base portion, and described eccentric shaft is arranged on described second through hole or depressed part office；Second sliding bearing, described second
Sliding bearing is fixed in described second through hole or described sunk part chimericly, and rotatably supports at its inner peripheral surface
Described eccentric shaft；Scaffold, described scaffold is fixed to described closed vessel；And bearing, described bearing is arranged on institute
State in scaffold, and rotatably support the described another side rotating shaft body at its inner peripheral surface；And wherein
One and second each of sliding bearing be made up of cylindrical shape rolling bushing, described cylindrical shape rolling bushing has metal
Backing metal and the copper-based porous sintered layer being impregnated with oil, the described copper-based porous sintered layer being impregnated with oil comprises graphite one
It is formed on the surface of described backing metal, and described cylindrical shape rolls bushing in the described copper-based porous sintered layer being impregnated with oil
Place rotatably support described rotate a side of shaft body and described eccentric shaft, and described copper-based be impregnated with the porous sintered of oil
Layer is made up of the tin of 5 to 20 quality %, the copper of the manganese of 5 to 15 quality %, the graphite of 5 to 20 quality % and surplus,
Impregnated in the described copper-based lubricating oil being impregnated with oily porous sintered layer and include ester group refrigerator oil, ether refrigerator oil
Or Synthin refrigerator oil；
Described ester group refrigerator oil includes ester oil or carbonic acid oil；
Described ether refrigerator oil includes PAG oil or polyvinyl ether oil；
Described Synthin refrigerator oil includes alkylbenzene or alpha-olefin low polymers.
2. scroll compressor as claimed in claim 1 is it is characterised in that the described copper-based porous sintered layer being impregnated with oil has
There is 70 to 90% relative density.
3. scroll compressor as claimed in claim 1 or 2 it is characterised in that described copper-based be impregnated with oil porous sintered
Layer institute graphitiferous is made up of at least one in native graphite and Delanium.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-105702 | 2011-05-10 | ||
| JP2011105702A JP5640885B2 (en) | 2011-05-10 | 2011-05-10 | Scroll compressor |
| PCT/JP2012/002802 WO2012153474A1 (en) | 2011-05-10 | 2012-04-24 | Scroll compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103518065A CN103518065A (en) | 2014-01-15 |
| CN103518065B true CN103518065B (en) | 2017-02-15 |
Family
ID=47138966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280022472.6A Active CN103518065B (en) | 2011-05-10 | 2012-04-24 | Scroll compressor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5640885B2 (en) |
| CN (1) | CN103518065B (en) |
| WO (1) | WO2012153474A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102118595B1 (en) * | 2015-04-24 | 2020-06-04 | 한온시스템 주식회사 | Method for manufacturing cylinder block and Double-headed swash plate type compressor |
| CN112228455B (en) * | 2019-07-15 | 2023-10-31 | Thk株式会社 | Motion guide device and lubrication path member used in motion guide device |
| CN117405548B (en) * | 2023-12-15 | 2024-04-19 | 江苏星波轻材新材料有限公司 | Detection device for aluminum alloy product |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59194128A (en) * | 1983-04-15 | 1984-11-02 | Hitachi Ltd | Bearing of compressor for refrigerator |
| JPS62200018A (en) * | 1986-02-25 | 1987-09-03 | Matsushita Refrig Co | Bearing of compressor for refrigerator |
| US5326384A (en) * | 1990-07-31 | 1994-07-05 | Taiho Kogyo Co., Ltd. | Sliding material |
| JPH11107942A (en) * | 1997-09-30 | 1999-04-20 | Sanyo Electric Co Ltd | Scroll type compressor |
| JPH11293305A (en) * | 1998-04-07 | 1999-10-26 | Komatsu Ltd | Slide material and double layered sintered slide member |
| JP2001050273A (en) * | 1999-08-02 | 2001-02-23 | Daido Metal Co Ltd | Copper system sliding material |
| JP2003090343A (en) * | 2001-09-19 | 2003-03-28 | Daido Metal Co Ltd | Multi-layer sliding material |
| JP2004251226A (en) * | 2003-02-21 | 2004-09-09 | Hitachi Home & Life Solutions Inc | Scroll compressor |
| JP4774990B2 (en) * | 2003-07-18 | 2011-09-21 | オイレス工業株式会社 | Resin composition for sliding member and sliding member |
| JP2007205254A (en) * | 2006-02-01 | 2007-08-16 | Oiles Ind Co Ltd | Scroll compressor and manufacturing method of shaft support part in scroll compressor |
| JP5544777B2 (en) * | 2008-07-30 | 2014-07-09 | キャタピラージャパン株式会社 | Manufacturing method of multilayer sintered sliding member |
| WO2010098337A1 (en) * | 2009-02-27 | 2010-09-02 | Ntn株式会社 | Grease composition, grease-packed bearing, universal joint for propeller shaft, lubricating oil composition, and oil-impregnated sintered bearing |
-
2011
- 2011-05-10 JP JP2011105702A patent/JP5640885B2/en not_active Expired - Fee Related
-
2012
- 2012-04-24 WO PCT/JP2012/002802 patent/WO2012153474A1/en active Application Filing
- 2012-04-24 CN CN201280022472.6A patent/CN103518065B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP5640885B2 (en) | 2014-12-17 |
| CN103518065A (en) | 2014-01-15 |
| JP2012237211A (en) | 2012-12-06 |
| WO2012153474A1 (en) | 2012-11-15 |
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