CN1373291A - Compressor component with slide contact zone - Google Patents

Compressor component with slide contact zone Download PDF

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Publication number
CN1373291A
CN1373291A CN02106572A CN02106572A CN1373291A CN 1373291 A CN1373291 A CN 1373291A CN 02106572 A CN02106572 A CN 02106572A CN 02106572 A CN02106572 A CN 02106572A CN 1373291 A CN1373291 A CN 1373291A
Authority
CN
China
Prior art keywords
mentioned
wobbler
copper
parts
piston
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN02106572A
Other languages
Chinese (zh)
Inventor
杉浦学
川口真广
杉冈隆弘
小野田晃
大久保忍
村上智洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Industries Corp
Original Assignee
Toyoda Automatic Loom Works Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyoda Automatic Loom Works Ltd filed Critical Toyoda Automatic Loom Works Ltd
Publication of CN1373291A publication Critical patent/CN1373291A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F04B27/1036—Component parts, details, e.g. sealings, lubrication
    • F04B27/1054—Actuating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/0873—Component parts, e.g. sealings; Manufacturing or assembly thereof
    • F04B27/0878—Pistons
    • F04B27/0886—Piston shoes
    • 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
    • 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
    • F05C2253/00—Other material characteristics; Treatment of material
    • F05C2253/12—Coating

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Sliding-Contact Bearings (AREA)
  • Powder Metallurgy (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Compressor (AREA)

Abstract

Lubricating films are formed on end surfaces of a swash plate, respectively. The lubricating films make slide contact with shoes, respectively. The lubricating films are made of a copper based material which contains bismuth but does not contain lead. A good slide contact characteristic may be obtained while restricting the amount of lead to be used.

Description

Compressor part with slide contact zone
Invention field
The present invention relates to a kind of parts of compressor, this has parts and has lubricated surface formed thereon.
Background technique
As described in the Japan Patent unexamined, that publication number is No.59-231181, No.8-199327, No.9-209926 and No.10-153169, oblique tray type compressor has the piston that relies on the swash plate rotation and reciprocally move, and swash plate is rotated with turning axle.Crawler shoe is arranged between the front end surface of wobbler and the piston and between the rear end surface and piston of wobbler, so that make the rotating force of wobbler pass to piston by crawler shoe.Crawler shoe is made by iron and is carried out sliding contact with the wobbler of rotation, thereby wearing and tearing may appear in the sliding contact between crawler shoe and wobbler part, or may occur bonding between crawler shoe and wobbler.For this reason, have and improve the needs of wobbler the sliding contact characteristic of crawler shoe.
In the disclosed technical matters of above-mentioned open file separately, show an example, wherein the lubricated surface that is formed by the copper-based material of main cupric is arranged on the sliding contact part of wobbler.This lubricated surface has improved the sliding contact characteristic of wobbler to crawler shoe.
In order further to improve the sliding properties of wobbler, in the disclosed technical matters of Japan Patent unexamined, that publication number is No.59-231181 and No.10-153169, contain in the copper-based material and have low-melting lead crawler shoe.Because the fricative high temperature between wobbler and the crawler shoe, the lead that is included in the copper-based material can deliquescing, and the lead of deliquescing appears at sliding contact surface between wobbler and the crawler shoe to increase the degree of lubrication on sliding contact surface.
Yet, do not wish that use can cause saturnine lead, and need the plumbous use amount of restriction.
Summary of the invention
The parts that the purpose of this invention is to provide a kind of compressor, these parts comprise the lubricated surface part in slide contact zone, and in the plumbous consumption of restriction, obtain good sliding contact characteristic.
To achieve these goals, the invention provides a kind of parts of compressor, these parts comprise a lubricated surface part that is formed by the copper-based material of bismuth-containing in slide contact zone.
Preferably, this copper-based material comprises the copper kamash alloy.
In said structure, the bismuth that is included in the copper-based material is the low melting metal similar to lead, and has and plumbous same effect.Owing to be included in the bismuth in the copper-based material, plumbous use amount can be restricted.
Preferably, this copper-based material does not comprise lead.
In this case, Qian use amount is zero but still can obtains the excellent lubrication degree.
Preferably, the lubricating film of being made by the copper-based material of bismuth-containing is arranged in the slide contact zone, to form this lubricated surface part.
In this case, preferably, lubricating film is made on substrate material by sintering.
The surface of the lubricating film of being made by copper-based material becomes lubricated surface.
Preferably, compressor comprise have wobbler, the oblique tray type compressor of piston and crawler shoe, this wobbler can rotate with turning axle, this crawler shoe is arranged between swash plate and the piston, so that make itself and swash plate and piston carry out sliding contact, rotatablely moving of swash plate passes to piston so that reciprocally move above-mentioned piston by crawler shoe thus, and these parts are wobblers, wherein wobbler has lubricated surface, and crawler shoe has the lubricated surface that carries out sliding contact with the lubricated surface of wobbler.
Carry out slide contact zone sliding contact, wobbler with crawler shoe and be suitable as lubricating film zone formed thereon.
Description of drawings
With reference to the following drawings, and, will more clearly illustrate the present invention in conjunction with preferred embodiment described below.Wherein:
Figure 1A is the sectional view according to the whole compressor of the first embodiment of the present invention;
Figure 1B is the amplification sectional view of the part of the compressor among Figure 1A;
Fig. 2 is the amplification sectional view of a part of second embodiment's compressor; With
Fig. 3 is the amplification sectional view of a part of the 3rd embodiment's compressor.
Embodiment
A specific embodiment of the present invention describes with reference to Figure 1A and 1B.
Figure 1A shows the internal structure of a variable-displacement compressor.Front housing 12 and cylinder body 11 have formed pressure controling chamber 121, and supporting rotating shaft 13.Turning axle 13 is by obtaining rotary driving force from external drive source (for example vehicle motor).Swivel mounting member 14 is fixed on the turning axle 13, and wobbler 15 is supported by turning axle 13, so as to make its along turning axle 13 endwisely slip and with respect to this axioversion.Supporting member 151 integrally forms with the wobbler of being made by iron 15, and guide finger 16 is fixed on the supporting member 151.Guide finger 16 is slidably inserted in the pilot hole 141 that is formed in the swivel mounting member 14.By engaging of guide finger 16 and pilot hole 141, wobbler 15 is with respect to the axioversion of turning axle 13, and with turning axle 13 rotations.The guiding of the motion of verting of wobbler 15 is to carry out by the relation of the slide-and-guide between pilot hole 141 and the guide finger 16 with by the slidably supporting role of turning axle 13.
The angle of inclination of swash plate 15 can change by the pressure that control is in the pressure controling chamber 121.When the pressure in the pressure controling chamber 121 raise, the angle of inclination of swash plate can reduce; When the pressure in the pressure controling chamber 121 reduced, the angle of inclination of swash plate can increase.Freezing mixtures in the pressure controling chamber 121 flow out to the suction chamber 191 that is arranged in back cabinet 19 by row pressure passage (not shown), and the freezing mixture that is arranged in the discharge chamber 192 of back cabinet 19 is introduced into pressure controling chamber 121 by pressure service duct (not shown).Capacity control drive 25 is arranged in the pressure service duct, and is controlled by capacity control drive 25 from discharging the coolant flow that chamber 192 is fed to pressure controling chamber 121.When the coolant flow that is fed to pressure controling chamber 121 from discharge chamber 192 increases, pressure in the pressure controling chamber 121 will raise, and when the coolant flow that is fed to pressure controling chamber 121 from discharge chamber 192 reduced, the pressure in the pressure controling chamber 121 will reduce.That is to say that the angle of inclination of wobbler 15 is controlled by capacity control drive 25.
The maximum inclination angle of wobbler 15 is determined by the wobbler 15 and the angle at swivel mounting member 14 adjacent places.The minimum cant of wobbler 15 is determined by the angle of wobbler 15 and snap ring 24 touching positions on turning axle 13.
Cylinder body 11 has a plurality of cylinder barrels 111 (only illustrating two in Figure 1A) of arranging around turning axle 13.Each cylinder barrel 111 holds a piston 17.Be converted into the to-and-fro motion longitudinally of piston 17 by hemispheric crawler shoe 18A and 18B with rotatablely moving of turning axle 13 rotating wobblers 15, piston 17 motion to and fro in cylinder barrel 111 thus.A crawler shoe 18A that is made by Bearing Steel and a lubricated surface of wobbler 15 carry out sliding contact, and the crawler shoe 18B that is made by Bearing Steel and another lubricated surface of wobbler 15 carry out sliding contact.
Because piston moves (action of turning left from the right side among Fig. 1) backward, the freezing mixture in the suction chamber 191 flows into cylinder barrel 111 by the suction valve of pushing open on the valve template 21 211 from the suction port 201 on the valve block 20.Because piston forward ground motion (among Fig. 1 from left to right action), the freezing mixture that flows into cylinder barrel 111 then is discharged to from the exhaust port 202 on the valve block 20 and discharges in the chamber 192 by pushing expulsion valve 221 on the valve template 22 open.Opening on the expulsion valve 221 is undertaken spacing by the retainer on the retainer template 23 231.
Shown in Figure 1A and 1B, lubricating film 28 and 29 is formed on the end face 26 and 27 of wobbler respectively, and end face is a slide contact zone.Lubricating film 28 and 29 is that copper is the hot coating of copper (Cu) sill of main component.Lubricating film 28 and 29 surface are the lubricated surfaces 281 and 291 that carries out sliding contact respectively with crawler shoe 18A and 18B.Table 1 shows the weight percent of the composition of lubricating film 28 and 29.Table 1 shows three examples.In all examples, the composition of copper-based material all comprises bismuth (Bi).
Table 1
??No. ??Cu ??Sn ??Zn ??Bi ??Sb ??P ??Ni
????1 ?85.77 ??11.5 ??0.1 ??0.8 ??0.08 ??0.15 ??1.5
????2 ?84.49 ??10.3 ??2.5 ??1.5 ??1.2 ??0.01 ??-
????3 ?84.42 ??4.5 ??7.2 ??3.1 ??0.6 ??0.08 ??0.1
In first embodiment, can obtain following effect.
(1-1) in the table 1, in any one example in No.1, No.2 and No.3, all not leaded (Pb), and have to plumbous similar low-melting bismuth (Bi) and replaced lead.That is to say, because the fricative high temperature between wobbler 15 and crawler shoe 18A, the 18B, the bismuth that is included in lubricating film 28 and 29 can deliquescing, and the bismuth of deliquescing appears at sliding contact surface between wobbler 15 and crawler shoe 18A, the 18B to increase the degree of lubrication on sliding contact surface.In any one example in No.1, No.2 and No.3, lubricating film 28 and 29 demonstrates the good sliding contact characteristic of the lubricating film same degree made from leaded copper-based material.That is to say that the bismuth that is included in the copper-based material demonstrates and plumbous same effect.In addition, because plumbous content is zero, can not throw into question to environmental hygiene.
(1-2) under No.1, the No.2 situation identical with the percetage by weight of tin (Sn), change the weight percent of bismuth, and check the wear resistance and the anti-cohesiveencess of lubricating film with copper among the No.3.Weight percent at bismuth is in the scope of 0.5%-20%, can obtain reliable wear resistance and anti-cohesiveencess.Weight percent at bismuth is in the scope of 0.5%-10%, can obtain good wear resistance and anti-cohesiveencess.
(1-3) end face 26 and 27 of wobbler 15 is in the harsh slip situation, and wherein lubricated surface partly is formed on this end face, and the end face 26 of wobbler 15 and 27 needs very high sliding capability.For this reason, the end face 26 and 27 as the sliding area of wobbler 15 is suitable as lubricating film zone formed thereon, wherein sliding area and crawler shoe 18A and 18B sliding contact.
In the present invention, second embodiment who is shown among Fig. 2 can envision with the 3rd embodiment who is shown among Fig. 3.Among second embodiment in Fig. 2, the lubricating film 30 and 31 that is formed from a resin is separately positioned on the surface of the lubricating film 28 that is made of metal and 29.In the lubricating film 30 and 31 that is formed from a resin, solid lubricant is dispersed in the resin.The lubricating film 30 that is formed from a resin and 31 provides effective sliding contact under unlubricated dose situation.
Among the 3rd embodiment in Fig. 3, wobbler 15A itself by bismuth-containing but lead-free copper-based material make.The end face 26 of wobbler 15A and 27 itself is exactly a lubricated surface.
In the present invention, following examples also can envision.
(1) one embodiment, wherein the powder of the copper-based material of lubricating film 28 and 29 by the sintering bismuth-containing forms on substrate material.
(2) one embodiments, wherein the present invention can be applicable on the swash plate of the constant oblique tray type compressor of volume.
(3) one embodiments, wherein piston 17 is parts that lubricated surface can be formed thereon, and with periphery that the internal surface of cylinder barrel carries out the piston of sliding contact be lubricated surface zone formed thereon.
Following feature can be obtained by the above embodiments.
(4) parts of compressor, wherein these parts itself are made by the copper-based material of bismuth-containing.
(5) parts of compressor, wherein these parts itself are made by the powder of the copper-based material of sintering bismuth-containing.
As above described in detail, in the present invention, for the lubricated surface part on the slide contact zone that forms the parts that are in compressor, bismuth is incorporated in the copper-based material, and can obtain good effect thus, promptly the sliding contact characteristic is still good when the use amount of lead is restricted.

Claims (6)

1. the parts of a compressor, described parts are included in the lubricated surface part in the slide contact zone, and this lubricated surface part is formed by the copper-based material of bismuth-containing.
2. parts according to claim 1 is characterized in that described copper-based material comprises the copper kamash alloy.
3. parts according to claim 1 is characterized in that described copper-based material does not comprise lead.
4. according to any one the described parts among the claim 1-3, it is characterized in that the lubricating film of being made by the copper-based material of bismuth-containing is arranged in the above-mentioned slide contact zone, to form above-mentioned lubricated surface part.
5. parts according to claim 4 is characterized in that above-mentioned lubricating film is made on substrate material by sintering.
6. according to any one the described parts among the claim 1-5, it is characterized in that, described compressor comprises having wobbler, the oblique tray type compressor of piston and crawler shoe, this wobbler can rotate with turning axle, this crawler shoe is arranged between this swash plate and this piston, so that carry out sliding contact with above-mentioned swash plate and above-mentioned piston, rotatablely moving of above-mentioned swash plate passes to above-mentioned piston so that reciprocally move above-mentioned piston by above-mentioned crawler shoe thus, and above-mentioned parts are above-mentioned wobblers, wherein above-mentioned wobbler has lubricated surface, and above-mentioned crawler shoe has a lubricated surface that carries out sliding contact with this lubricated surface of above-mentioned wobbler.
CN02106572A 2001-02-28 2002-02-28 Compressor component with slide contact zone Pending CN1373291A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP54453/01 2001-02-28
JP2001054453A JP2002257041A (en) 2001-02-28 2001-02-28 Object component for forming lubricating surface in compressor

Publications (1)

Publication Number Publication Date
CN1373291A true CN1373291A (en) 2002-10-09

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US (1) US20020157533A1 (en)
EP (1) EP1239153A2 (en)
JP (1) JP2002257041A (en)
CN (1) CN1373291A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100451332C (en) * 2004-11-11 2009-01-14 大丰工业株式会社 Slider
CN103629074A (en) * 2012-08-24 2014-03-12 苏州轩昌机电科技有限公司 Compressor swash plate, manufacturing method of compressor swash plate and tool die

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003172254A (en) * 2001-12-06 2003-06-20 Sanden Corp Swash plate compressor
ES2373121T3 (en) * 2007-04-02 2012-01-31 Ed. Fitscher Gmbh & Co. Kg USE OF A BRONZE ALLOY FOR A WHEELED TOOL WITH ENDLESS SCREW.
US10974317B2 (en) * 2016-07-22 2021-04-13 Emerson Climate Technologies, Inc. Controlled-dispersion of solid lubricious particles in a metallic alloy matrix

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100451332C (en) * 2004-11-11 2009-01-14 大丰工业株式会社 Slider
CN103629074A (en) * 2012-08-24 2014-03-12 苏州轩昌机电科技有限公司 Compressor swash plate, manufacturing method of compressor swash plate and tool die

Also Published As

Publication number Publication date
JP2002257041A (en) 2002-09-11
US20020157533A1 (en) 2002-10-31
EP1239153A2 (en) 2002-09-11

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