CN1862018A - Linear compressor and lubricating oil pump thereof - Google Patents
Linear compressor and lubricating oil pump thereof Download PDFInfo
- Publication number
- CN1862018A CN1862018A CNA2005101041141A CN200510104114A CN1862018A CN 1862018 A CN1862018 A CN 1862018A CN A2005101041141 A CNA2005101041141 A CN A2005101041141A CN 200510104114 A CN200510104114 A CN 200510104114A CN 1862018 A CN1862018 A CN 1862018A
- Authority
- CN
- China
- Prior art keywords
- lubricant oil
- oil cylinder
- piston
- cylinder
- liner
- 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
Links
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 16
- 239000010725 compressor oil Substances 0.000 title 1
- 230000006835 compression Effects 0.000 claims abstract description 42
- 238000007906 compression Methods 0.000 claims abstract description 42
- 230000001012 protector Effects 0.000 claims abstract description 18
- 239000003921 oil Substances 0.000 claims description 244
- 239000000314 lubricant Substances 0.000 claims description 228
- 239000012530 fluid Substances 0.000 claims description 41
- 230000001050 lubricating effect Effects 0.000 claims description 29
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 238000005086 pumping Methods 0.000 claims description 8
- 239000004809 Teflon Substances 0.000 claims description 7
- 229920006362 Teflon® Polymers 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000004519 grease Substances 0.000 description 8
- 238000007599 discharging Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 239000010727 cylinder oil Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Images
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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0223—Lubrication characterised by the compressor type
- F04B39/023—Hermetic compressors
- F04B39/0261—Hermetic compressors with an auxiliary oil pump
-
- 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
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
- F04B35/045—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric using solenoids
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0284—Constructional details, e.g. reservoirs in the casing
- F04B39/0292—Lubrication of pistons or cylinders
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/126—Cylinder liners
-
- 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
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
- F16N13/02—Lubricating-pumps with reciprocating piston
- F16N13/06—Actuation of lubricating-pumps
-
- 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
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2210/00—Working fluid
- F05B2210/10—Kind or type
- F05B2210/12—Kind or type gaseous, i.e. compressible
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2210/00—Working fluid
- F05B2210/10—Kind or type
- F05B2210/14—Refrigerants with particular properties, e.g. HFC-134a
-
- 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
- F16N—LUBRICATING
- F16N2210/00—Applications
- F16N2210/16—Pumps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S417/00—Pumps
- Y10S417/902—Hermetically sealed motor pump unit
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
Abstract
Disclosed herein are a linear compressor and a lubricating oil pump thereof. The lubricating oil pump comprises a lubricating oil cylinder integrally formed in a frame that supports a compression unit, a lubricating oil piston mounted to be reciprocated inside the lubricating oil cylinder to resonate with the compression unit, and a lubricating oil cylinder protector to prevent generation of friction between the lubricating oil cylinder and the lubricating oil piston. With this configuration, it is possible to improve the durability of the lubricating oil cylinder and to simplify or omit additional processing of the lubricating oil piston.
Description
Technical field
The present invention relates to a kind of Linearkompressor and lubricating pump thereof, and more specifically relate to a kind of lubricant oil cylinder protector that comprises to prevent between lubricant oil cylinder and lubricant oil piston, to produce the Linearkompressor and the lubricating pump thereof of friction.
Background technique
Usually, Linearkompressor is a kind of compression working fluid, uses the linear driving force of linear motor to make piston at the reciprocating equipment in cylinder internal linear ground simultaneously.
Fig. 1 is the longitudinal sectional drawing according to the Linearkompressor with lubricating pump of prior art.Comprise can 2 and be arranged in the can 2 compression unit at the Linearkompressor shown in Fig. 1 with compression working fluid.
This compression unit comprises: cylinder 10, and it receives working fluid from the fluid suction pipe 4 that is provided on the can 2; Piston 12, its be mounted so that its in the to-and-fro motion of cylinder 10 internal linear ground, thereby compression working fluid; And make piston 12 reciprocating linear motors 14.
Piston 12 be formed with in inside working fluid passage 12 ', with working fluid from fluid suction pipe 4 guiding suction casigs 10.Suction valve 18 is provided on the end of the piston 12 that is positioned at cylinder 10, with open or close working fluid passage 12 '.
Compression unit is supported by metal machine frame 20, and metal machine frame 20 also is disposed in the can 2.In this case, linear motor 14 can both support by frame 20 and linear motor cover 22.
To describe the operation of the Linearkompressor of configuration as mentioned above now in detail.
If power supply is put on linear motor 14, use linear reciprocating motion driving force to make piston 12 to-and-fro motion in cylinder 10 so from linear motor 14.According to the to-and-fro motion of piston 12, expulsion valve 16 ' be repeatedly opened or close with suction valve 18.
Then, working fluid is via fluid suction pipe 4, and then through the working fluid passage 12 that limits in piston 12 ' and be introduced in the cylinder 10, thus in cylinder 10 by by piston 12 compressions.At last, the working fluid of the high pressure of generation is discharged from cylinder 10 by the mode by discharging unit 16 and fluid discharge pipe 6.
As long as drive this linear motor 14, the suction of aforesaid working fluid, compression and discharge are repeated continuously with this order.
Simultaneously, can 2 comprise the lubricant oil 2 that is stored in its bottom zone ', this lubricant oil 2 ' lubricated and cooling cylinder 10 and piston 12.For with lubricant oil 2 ' offer cylinder 10 and piston 12, in can 2, provide oil-servicing facilities 30.
This oil-servicing facilities 30 comprises lubricating pump 30 ' and grease channel 32, according to lubricating pump 30 ' pumping operation, utilize lubricant oil 2 ' circulation in lubricating pump 30 ' the make bottom zone be stored in can 2 to advance in the slit between cylinder 10 and piston 12.
This lubricating pump 30 ' comprise lubricant oil cylinder 34 that is integrally formed in the frame 20, be mounted with reciprocating lubricant oil piston 35 in lubricant oil cylinder 34, with first and second resonant springs 36 and 37 on the relative side that is set at piston 35 lubricant oil piston 35 on every side.
Lubricating pump 30 ' operation in, importantly will reduce to minimum in the friction that between lubricant oil piston 35 and lubricant oil cylinder 34, produces during the to-and-fro motion of piston 35.For this reason, must at first handle Bearing Steel, carry out extra heat treatment and polishing treatment then thereon,, thereby make lubricant oil piston 35 with the surface roughness that obtains.In case of necessity, this lubricant oil piston 35 can be coated with non-electrolytic nickel coating, with further wear resistance and the greasy property improved.
But the Linearkompressor of aforesaid prior art has following problem.
At first, because between lubricant oil cylinder 34 and lubricant oil piston 35, produce the friction of metal to metal, and both are made up of lubricant oil cylinder 34 and frame 20 aluminium of low hardness usually, as mentioned above, lubricant oil piston 35 must stand for obtaining the needed extra process except Nickel Plating Treatment of surface of good roughness.This makes the manufacturing of lubricant oil piston 35 complicate, and increases its manufacture cost.
Secondly, make the friction between lubricant oil piston 35 and the lubricant oil cylinder 34 reduce to minimum even make lubricant oil piston 35, but because the direct metal to metal friction between lubricant oil cylinder 34 and the lubricant oil piston 35, life-span of lubricant oil cylinder 34 reduces, cause lubricating pump 30 ' frequent replacing.This is a serious problem, changes frame 20 because change lubricating pump 30 ' needs.
Summary of the invention
Therefore, the present invention has been proposed in view of the above problems, and the purpose of this invention is to provide a kind of Linearkompressor and lubricating pump thereof, it can prevent the friction that produces between lubricant oil cylinder and lubricant oil piston, thereby improve the serviceability of lubricant oil cylinder, and the extra process of lubricant oil piston is minimized.
According to a first aspect of the invention, can realize above and other purpose for the lubricating pump that uses in the Linearkompressor by providing a kind of, this lubricating pump comprises: the lubricant oil cylinder that sucks lubricant oil; Thereby the lubricant oil piston of to-and-fro motion pumping lubricant oil within the lubricant oil cylinder; And the lubricant oil cylinder protector that prevents between lubricant oil cylinder and lubricant oil piston, to produce friction.
Preferably, this lubricant oil cylinder protector can be the liner that is inserted in the tubulose between lubricant oil cylinder and the lubricant oil piston.
Preferably, this liner can be made by teflon or polymeric material.
Preferably, this liner can be pressed in the lubricant oil cylinder with mating.
Preferably, this lubricant oil cylinder can have the cylindrical-shaped structure of hollow, this cylindrical-shaped structure has first and second ends of opening, has diameter as first end of the lubricant oil cylinder of lubricating oil inlet/outlet end less than the internal diameter of lubricant oil cylinder, second end of opening of this lubricant oil cylinder can cover by lubricated oil gas cylinder cap, and this liner can be inserted in the lubricant oil cylinder by second end of opening via the lubricant oil cylinder.
According to a second aspect of the invention, can realize above and other purpose by a kind of Linearkompressor is provided, this compressor comprises: comprise the can that is stored in the lubricant oil in its bottom zone; Be arranged in and use the compression unit that comes compression working fluid from the driving force of linear motor in the can; Be installed on the compression unit to suck or to discharge the lubricant oil cylinder that is stored in the lubricant oil in the can; Thereby install the lubricant oil piston of to-and-fro motion pumping lubricant oil in the lubricant oil cylinder; Thereby make the resonance of lubricant oil piston and compression unit allow the resonance unit of lubricant oil reciprocating motion of the pistons; And the lubricant oil cylinder protector that prevents between lubricant oil cylinder and lubricant oil piston, to produce frictional force.
Preferably, can in can, arrange metal machine frame supporting this compression unit, and this lubricant oil cylinder can be integrally formed in the frame.
Preferably, this lubricant oil cylinder protector can be the liner that is inserted in the tubulose between lubricant oil cylinder and the lubricant oil piston.
Preferably, this liner can be made by teflon or polymeric material.
Preferably, this liner can be pressed in the lubricant oil cylinder with mating.
Preferably, this lubricant oil cylinder can have the cylindrical-shaped structure of hollow, this cylindrical-shaped structure has first and second ends of opening, has diameter as first end of the lubricant oil cylinder of lubricating oil inlet/outlet end less than the internal diameter of lubricant oil cylinder, second end of opening of this lubricant oil cylinder can cover by lubricated oil gas cylinder cap, and this liner can be inserted in the lubricant oil cylinder by second end of opening via the lubricant oil cylinder.
Preferably, this liner can have the length identical with the lubricant oil cylinder.
Preferably, this lubricant oil cylinder cap can be the linear motor cover that supports linear motor.
According to a third aspect of the invention we, can realize above and other purpose by a kind of Linearkompressor is provided, this Linearkompressor comprises: comprise the can that is stored in the lubricant oil in its bottom zone; Compression unit, it has and is arranged in the can to suck and to discharge the cylinder of working fluid, is mounted with pistons reciprocating within cylinder, and the linear motor that makes reciprocating motion of the pistons; Support the frame of compression unit; Support the linear motor cover of linear motor with frame; Be integrally formed in the lubricant oil cylinder in the frame, it is set between frame and the linear motor cover, and is suitable for sucking and discharging the lubricant oil that is stored in the can; Thereby be mounted lubricant oil piston with to-and-fro motion pumping lubricant oil within the lubricant oil cylinder; Thereby make the resonance of lubricant oil piston and compression unit allow the resonance unit of lubricant oil reciprocating motion of the pistons; And the lubricant oil cylinder protector that prevents between lubricant oil cylinder and lubricant oil piston, to produce friction.
Preferably, lubricant oil cylinder and lubricant oil piston can be made of metal.
Preferably, this lubricant oil cylinder can be by with respect to the parallel installation of the cylinder of compression unit.
Preferably, this lubricant oil cylinder can have the cylindrical-shaped structure of hollow, this cylindrical-shaped structure has first and second ends of opening, have diameter as first end of the lubricant oil cylinder of lubricating oil inlet/outlet end, and second end of opening of this lubricant oil cylinder is covered by the linear motor cover less than the internal diameter of lubricant oil cylinder.
Preferably, this lubricant oil cylinder protector can be the liner of tubulose, is inserted in the lubricant oil cylinder with second end of opening via the lubricant oil cylinder.
Preferably, this liner can be made by teflon or polymeric material.
Preferably, this liner can be pressed in the lubricant oil cylinder with mating.
Linearkompressor and lubricating pump thereof according to the present invention as above-mentioned configuration can be by utilizing this lubricant oil cylinder protector; prevent between lubricant oil cylinder and lubricant oil piston, to produce friction; the feasible serviceability of improving the lubricant oil cylinder, and the extra processing of simplifying or saving the lubricant oil piston.
Description of drawings
From detailed description below in conjunction with accompanying drawing, will more be expressly understood above-mentioned and other purpose of the present invention, characteristics and other advantage, in the accompanying drawings:
Fig. 1 is the longitudinal sectional drawing that illustrates according to the Linearkompressor with lubricating pump of prior art;
Fig. 2 is the longitudinal sectional drawing that illustrates according to the Linearkompressor with lubricating pump of the embodiment of the invention;
Fig. 3 is the sectional drawing of the amplification of Fig. 2 " A " part; And
Fig. 4 is the cross-sectional view along lines B-B intercepting shown in Figure 3.
Embodiment
With reference to accompanying drawing Linearkompressor and lubricating pump thereof are according to the preferred embodiment of the invention described.
Provide some preferred embodiments for reference, afterwards, will explain most preferred embodiment according to Linearkompressor of the present invention and lubricating pump.The basic structure of this Linearkompressor is identical with above-mentioned prior art, and therefore, its detailed description will be omitted.
Fig. 2 illustrates the longitudinal sectional drawing that has the Linearkompressor of lubricating pump according to the embodiment of the invention.
As shown in Figure 2, this Linearkompressor comprises the can 50 of the outward appearance that forms compressor, be arranged in the frame on the one side 60 in the can 50, be arranged in the linear motor cover 62 on opposite side in the can 50, and between linear motor cover 62 and frame 60, the compression unit with compression working fluid be set.
Can 50 is divided into lower case 52 with upper surface of opening and the loam cake 54 that covers lower case 52 upper surfaces.
Can 50 comprises introduces the fluid suction pipe 56 of can 50 with working fluid from external source, and is connected to discharging unit 80 is discharged to can 50 outsides with the working fluid with compression fluid discharge pipe 58.
Usually, this frame 60 is by aluminum casting.
Compression unit comprises and is installed on cylinder 70 frame 60 and that be suitable for sucking and discharging working fluid, thereby and is mounted with at the piston 72 of to-and-fro motion compression working fluid in cylinder 70 linearly within the cylinder 70.
Discharging unit 80 is provided on the other end of cylinder 70, is discharged to the fluid discharge pipe 58 from cylinder 70 with the working fluid with compression.
Discharging unit 80 comprises on the other end that is installed in cylinder 70 and is connected to the discharge cap assembly 82 of fluid discharge pipe 58 and is installed in the discharge cap assembly 82 expulsion valve 84 with the other end of opening or closing cylinder 70.
Discharge cap assembly 82 comprises and being set at around the expulsion valve 84 and with the inside discharge cap 81 of inner discharge cap hole 81 ' formations, and the discharge cap 81 outside discharge cap 83 of outwards being separated by and disposing and being connected to fluid discharge pipe 58 internally.
This expulsion valve 84 comprises the expulsion valve main body 85 on the other end that is installed in cylinder 70 with horizontal movable manner, and is arranged between expulsion valve main body 85 and the inner discharge cap 81 flexibly to support the expulsion valve spring 86 of expulsion valve main body 85.
This suction valve 73 be designed to according to piston fluid passage 72 ' and cylinder 70 between pressure difference flexibly be out of shape, thereby open or closure piston fluid passage 72 ' end.
Simultaneously, compression unit further comprises linear motor 90 so that piston 72 to-and-fro motion.Linear motor 90 is utilized the outside that frame 60 and linear motor cover 62 are supported on cylinder 70.
This mover comprise from cylinder 70 radially outwards with being separated by configuration so that it is at the reciprocating magnet 92 in stator internal linear ground, with be configured to support the magnet 92 that appends on it and be connected to the magnet frame 94 of piston 72 to cooperate with piston 72, thereby will send piston 72 to from the linear reciprocating motion driving force of linear motor 90.
This stator comprises: the outer core 95 that is configured to be installed in the annular between frame 60 and the linear motor cover 62 from cylinder 70 with radially outwards being separated by; Be set in this outer core 95 to produce the coil 96 in magnetic field; And the inner core 98 of annular, it is configured to from outer core 95 in the predetermined slit of the two qualification with inwardly being separated by, and it is pressed into the outside of cylinder 70 with being mated.
This mover is set between outer core 95 and the inner core 98.
In the process of basis as the Linearkompressor work of the present invention of above-mentioned configuration, use linear reciprocating motion driving force to make piston 72 to-and-fro motion in cylinder 70 from linear motor 90, cause working fluid to be inhaled into cylinder, compression and discharge cylinder.
Consult Fig. 2 once more, can 50 comprise the lubricant oil 50 that is stored in its bottom zone '.This lubricant oil 50 ' be used to lubricate and cooling cylinder 70 and piston 72.
Lubricant oil 50 ' the quilt that is stored in the can 50 offers cylinder 70 and piston 72 via lubricant oil suction unit 100.
This lubricant oil sucks unit 100 and comprises: be mounted with partly be dipped in lubricant oil 50 ' in lubricant oil suction pipe 102, this lubricant oil 50 ' be stored in the bottom zone of can 50; Be installed on the side of frame 60, and be connected to lubricant oil suction pipe 102, with limit with frame 60 lubricant oil space 104 ' lubricated oil cap 104 '; Pass frame 60 with the lubricant oil space 104 that is connected to lubricated oil cap 104 ' frame grease channel 106; And pass cylinder 70 to be connected to the cylinder oil path 10 8 of frame grease channel 106.
The first lubricant oil suction valve 103 be set at the lubricant oil space 104 of lubricant oil suction pipe 102 and lubricated oil cap 104 ' between.When its according to the lubricant oil space 104 of lubricant oil suction pipe 102 and lubricated oil cap 104 ' between pressure difference when flexibly being out of shape, the first lubricant oil suction valve 103 is unlocked or cuts out.
Similarly, the second lubricant oil suction valve 105 be set at the lubricant oil space 104 of lubricated oil cap 104 ' and frame grease channel 106 between.Similarly, when its according to the lubricant oil space 104 of lubricated oil cap 104 ' and frame grease channel 106 between pressure difference when flexibly being out of shape, the second lubricant oil suction valve 105 is unlocked or cuts out.
Utilize lubricant oil provide the mode of unit 100 be provided to lubricant oil 50 in the slit between cylinder 70 and piston 72 ', be discharged to once more in the can 50 via lubricant oil discharge section 110.
This lubricant oil discharge section 110 passes frame 60.
Simultaneously, based on the pumping operation of lubricating pump 120, lubricant oil 50 ' can flow through lubricant oil to suck unit 100 and lubricant oil discharge section 110, this lubricating pump 120 is installed in lubricant oil and sucks on the unit 100.
Fig. 3 is the sectional drawing of the amplification of Fig. 2 " A " part, and Fig. 4 is the cross-sectional view that extracts along lines B-B shown in Figure 3.Fig. 3 and 4 at length illustrates the lubricating pump according to Linearkompressor of the present invention.
Shown in Fig. 3 and 4, this lubricating pump 120 is designed to utilize resonance power to cause pumping operation, and this resonance power is by causing from the vibration of compression unit in compression unit operation period generation.
Lubricating pump 120 according to Linearkompressor of the present invention comprises: the lubricant oil cylinder 122 of lubricant oil space 104 ' intercommunication of lubricated oil cap 104 that is configured to and is arranged on the bottom of compression unit; Installation is with reciprocating linearly lubricant oil piston 124 within lubricant oil cylinder 122; And it is interior so that the resonance unit of lubricant oil piston 124 and compression unit resonance to be arranged on lubricant oil cylinder 122.
This lubricant oil cylinder 122 is formed from aluminium, and is integrally formed in the frame 60.
Preferably, phase countercylinder 70 is arranged lubricant oil cylinder 122 abreast, makes when making piston 72 reciprocating linearly by linear motor 90 lubricant oil piston 124 and the vibration resonance that produces in compression unit.That is to say that lubricant oil cylinder 122 has and is suitable for allowing the longitudinally reciprocating therein longitudinal tensile strain shape of lubricant oil piston 124.
The other end of lubricant oil cylinder 122 can lubricated oily cylinder cap cover.
When linear motor cover 62 closely contacts with the surface of an end of lubricant oil cylinder 122, can obtain the lubricant oil cylinder cap.That is to say that linear motor cover 62 plays the lubricant oil cylinder head.
The resonance unit comprises the resonant spring 126 and 127 of a pair of spiral spring type.This resonance spring 126 and 127 is set on the relative side of lubricant oil piston 124, and is designed to flexibly distortion on the direction identical with the direction of vibration of compression unit.
Simultaneously, lubricating pump 120 further comprises lubricant oil cylinder protector, to prevent producing friction during the to-and-fro motion of lubricant oil piston 124 between lubricant oil cylinder 122 and lubricant oil piston 124.
Lubricant oil cylinder protector can be formed by the liner 123 that is inserted in the tubulose between lubricant oil cylinder 122 and the lubricant oil piston 124, to allow 124 to-and-fro motion therein of lubricant oil piston.
Preferably, the liner 123 of tubulose has the longitudinal length identical with lubricant oil cylinder 122, with the whole inwall of protection lubricant oil cylinder 122.
For the liner 123 that allows tubulose is inserted in the lubricant oil cylinder 122 smoothly, the external diameter of the liner 123 of this tubulose is confirmed as having predetermined tolerance with respect to the internal diameter of lubricant oil cylinder 122.
In this case, this liner 123 can loosely be inserted in the lubricant oil cylinder 122, because liner 123 can be fixed by frame 60 and linear motor cover 62, perhaps additionally, can be pressed in the lubricant oil cylinder 122 with mating.
This liner 123 is preferably made by teflon or polymeric material, to prevent to produce the friction of metal to metal between liner 123 and lubricant oil piston 124.
Now will explain as the operation of the lubricating pump of the Linearkompressor of above-mentioned configuration.
When compression unit is driven by linear motor 90, use the resonance power with compression unit to make lubricant oil piston 124 longitudinally to-and-fro motion in lubricant oil cylinder 122, thereby cause lubricant oil 50 ' be pumped.
That is to say, if lubricant oil piston 124 is moved rearwards, the lubricant oil space 104 of lubricated oil cap 104 ' enter low-pressure state.Under such low-pressure state, the lubricant oil space 104 of lubricated oil cap 104 ' with 102 intercommunications of lubricant oil suction pipe, the while is closed with respect to frame grease channel 106.Thereby, lubricant oil 50 ' process lubricant oil suction pipe 102 be introduced into lubricant oil space 104 with packing lubrication oil cap 104 '.
Afterwards, if lubricant oil piston 124 is moved forward, the lubricant oil space 104 of lubricated oil cap 104 ' enter high pressure conditions.Under such high pressure conditions, the lubricant oil space 104 of lubricated oil cap 104 ' with 106 intercommunications of frame grease channel, the while is closed with respect to lubricant oil suction pipe 102.Thereby, be filled in the lubricant oil space 104 of lubricated oil cap 104 ' in lubricant oil 50 ' flow through frame grease channel 106 and cylinder oil path 10 8 continuously, thereby be provided in the slit between cylinder 70 and piston 72.
After being used to cooling and lubrication of cylinders 70 and piston 72, the lubricant oil 50 between cylinder 70 and piston 72 ' be discharged in the can 50 via lubricant oil discharge section 110 at last.
Apparent from above description, have following effect according to Linearkompressor of the present invention and lubricating pump thereof.
At first, according to the present invention,, during the to-and-fro motion of lubricant oil piston, between lubricant oil cylinder and lubricant oil piston, there is not friction by using lubricant oil cylinder protector.Therefore, although the lubricant oil cylinder is integrally formed in by having than in the lubricant oil piston frame that more aluminium of low hardness is made, the present invention still can obtain the high serviceability of lubricant oil cylinder.
Secondly, as using lubricant oil cylinder protector to prevent to produce the result of friction, this lubricant oil piston does not need extra processing to improve surface roughness, wear resistance and greasy property after being cast.Compared with prior art, this has simplified the manufacture process of lubricant oil piston and has reduced manufacture cost.
Once more, according to the present invention, this lubricant oil cylinder protector is the liner of being made by teflon or polymeric material, rather than by metal.This further simplifies or has eliminated any extra processing procedure of lubricant oil piston.
Though disclose the preferred embodiments of the present invention for illustrative purpose, but it will be appreciated by those skilled in the art that, under situation about not breaking away from as disclosed scope and spirit of the present invention in claims, various improvement of the present invention, interpolation and replacement all are possible.
Claims (10)
1. lubricating pump that is used for being used in Linearkompressor, it comprises:
The lubricant oil cylinder, it sucks lubricant oil;
Lubricant oil piston, thereby its to-and-fro motion pumping lubricant oil in the lubricant oil cylinder; And
Lubricant oil cylinder protector, it prevents to produce friction between lubricant oil cylinder and lubricant oil piston.
2. pump as claimed in claim 1, wherein, this lubricant oil cylinder protector is the liner that is inserted in the tubulose between lubricant oil cylinder and the lubricant oil piston.
3. pump as claimed in claim 2, wherein, this liner is made by teflon or polymeric material.
4. Linearkompressor, it comprises:
Can, it comprises the lubricant oil that is stored in its bottom zone;
Compression unit, it is disposed in the can, so that use the driving force compression working fluid from linear motor;
The lubricant oil cylinder, it is installed on the compression unit to suck or to discharge the lubricant oil that is stored in the can;
The lubricant oil piston, thus it is mounted with to-and-fro motion pumping lubricant oil in the lubricant oil cylinder;
The resonance unit, thus it makes lubricant oil piston and compression unit resonance allow the lubricant oil reciprocating motion of the pistons; And
Lubricant oil cylinder protector.It prevents to produce friction between lubricant oil cylinder and lubricant oil piston.
5. compressor as claimed in claim 4, wherein:
Metal machine frame is disposed in the can, to support compression unit; And
The lubricant oil cylinder is integrally formed in the frame.
6. compressor as claimed in claim 5, wherein, this lubricant oil cylinder protector is the liner that is inserted in the tubulose between lubricant oil cylinder and the lubricant oil piston.
7. compressor as claimed in claim 6, wherein, this liner is made by teflon or polymeric material.
8. compressor as claimed in claim 6, wherein, this liner is pressed in the lubricant oil cylinder with being mated.
9. compressor as claimed in claim 6, wherein:
This lubricant oil cylinder has the cylindrical-shaped structure of hollow, and this cylindrical-shaped structure has first and second ends of opening, and has diameter less than the lubricant oil cylinder bore as first end of the lubricant oil cylinder of lubricating oil inlet/outlet end;
The lubricated oil gas cylinder cap of second end of opening of this lubricant oil cylinder covers; And
This liner is inserted in the lubricant oil cylinder by second end of opening via the lubricant oil cylinder.
10. compressor as claimed in claim 9, wherein, this lubricant oil cylinder cap is the linear motor cover that supports linear motor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050039348A KR100624734B1 (en) | 2005-05-11 | 2005-05-11 | Grease pump of linear compressor |
| KR1020050039348 | 2005-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1862018A true CN1862018A (en) | 2006-11-15 |
Family
ID=37389526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005101041141A Pending CN1862018A (en) | 2005-05-11 | 2005-09-16 | Linear compressor and lubricating oil pump thereof |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20060257275A1 (en) |
| JP (1) | JP4833625B2 (en) |
| KR (1) | KR100624734B1 (en) |
| CN (1) | CN1862018A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103906922A (en) * | 2009-12-09 | 2014-07-02 | Bsh博世和西门子家用电器有限公司 | Compressor having a supporting frame |
| CN103912472A (en) * | 2013-01-08 | 2014-07-09 | 海尔集团公司 | Linear compressor |
| CN104033353A (en) * | 2013-03-04 | 2014-09-10 | 海尔集团公司 | Linear compressor and oil lubricating method thereof |
| CN104153962A (en) * | 2013-05-14 | 2014-11-19 | 海尔集团公司 | Oil supply device and linear compressor comprising same |
| CN105301224A (en) * | 2014-06-04 | 2016-02-03 | 英菲诺姆国际有限公司 | Lubricant test method |
| CN107288847A (en) * | 2016-03-30 | 2017-10-24 | 青岛海尔智能技术研发有限公司 | Linearkompressor and lubricating oil fuel supply method |
| CN115698551A (en) * | 2020-06-09 | 2023-02-03 | 阿什琳·安东尼 | Apparatus for eliminating slack and vibration in a chain of a chain drive |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070075908A (en) * | 2006-01-16 | 2007-07-24 | 엘지전자 주식회사 | Oil pump used in a linear compressor |
| WO2009054634A2 (en) | 2007-10-24 | 2009-04-30 | Lg Electronics, Inc. | Linear compressor |
| KR101467562B1 (en) * | 2007-10-24 | 2014-12-02 | 엘지전자 주식회사 | Linear Compressor |
| WO2012115312A1 (en) * | 2011-02-22 | 2012-08-30 | Kim Man Su | Piston pump heating system |
| CN106122742B (en) * | 2016-06-15 | 2019-10-25 | 珠海格力电器股份有限公司 | Oil pump assembly and linear compressor with same |
| US11421922B2 (en) * | 2020-04-22 | 2022-08-23 | Haier Us Appliance Solutions, Inc. | Heat dissipation assembly for a linear compressor |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3478956A (en) * | 1968-03-25 | 1969-11-18 | Charles E Gosha | Compressor |
| US4681326A (en) * | 1985-06-10 | 1987-07-21 | Cummins Engine Company, Inc. | Gas lubricated piston ring assembly |
| US4724819A (en) * | 1987-01-23 | 1988-02-16 | Precision National Plating Services, Inc. | Cylinder liner reconditioning process and cylinder liner produced thereby |
| US5029562A (en) * | 1989-12-05 | 1991-07-09 | Adiabatics, Inc. | Hybrid piston for high temperature engine |
| WO1997001032A1 (en) * | 1995-06-23 | 1997-01-09 | Lg Electronics, Inc. | Oil supply apparatus for friction portion of linear compressor |
| KR100301506B1 (en) * | 1998-12-28 | 2001-11-30 | 구자홍 | Oil feeder for linear compressor |
| KR20010081660A (en) * | 2000-02-17 | 2001-08-29 | 구자홍 | Apparatus for applying oil of linear compressor |
| US6685193B2 (en) * | 2001-08-30 | 2004-02-03 | Illinois Tool Works Inc. | Self lubricating, non-sealing piston ring for an internal combustion fastener driving tool |
| US20040241023A1 (en) * | 2003-05-27 | 2004-12-02 | Pinkerton Harry E. | Positive displacement pump having piston and/or liner with vapor deposited polymer surface |
-
2005
- 2005-05-11 KR KR1020050039348A patent/KR100624734B1/en not_active IP Right Cessation
- 2005-09-09 US US11/221,916 patent/US20060257275A1/en not_active Abandoned
- 2005-09-16 CN CNA2005101041141A patent/CN1862018A/en active Pending
- 2005-09-27 JP JP2005280004A patent/JP4833625B2/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103906922A (en) * | 2009-12-09 | 2014-07-02 | Bsh博世和西门子家用电器有限公司 | Compressor having a supporting frame |
| CN103912472A (en) * | 2013-01-08 | 2014-07-09 | 海尔集团公司 | Linear compressor |
| CN104033353A (en) * | 2013-03-04 | 2014-09-10 | 海尔集团公司 | Linear compressor and oil lubricating method thereof |
| CN104153962A (en) * | 2013-05-14 | 2014-11-19 | 海尔集团公司 | Oil supply device and linear compressor comprising same |
| CN104153962B (en) * | 2013-05-14 | 2016-09-28 | 青岛海尔智能技术研发有限公司 | Fueller and include the linear compressor of this fueller |
| CN105301224A (en) * | 2014-06-04 | 2016-02-03 | 英菲诺姆国际有限公司 | Lubricant test method |
| CN107288847A (en) * | 2016-03-30 | 2017-10-24 | 青岛海尔智能技术研发有限公司 | Linearkompressor and lubricating oil fuel supply method |
| CN107288847B (en) * | 2016-03-30 | 2019-09-17 | 青岛海尔智能技术研发有限公司 | Linearkompressor and lubricating oil fuel supply method |
| CN115698551A (en) * | 2020-06-09 | 2023-02-03 | 阿什琳·安东尼 | Apparatus for eliminating slack and vibration in a chain of a chain drive |
Also Published As
| Publication number | Publication date |
|---|---|
| US20060257275A1 (en) | 2006-11-16 |
| JP2006316783A (en) | 2006-11-24 |
| KR100624734B1 (en) | 2006-09-15 |
| JP4833625B2 (en) | 2011-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1862018A (en) | Linear compressor and lubricating oil pump thereof | |
| CN1769680A (en) | Linear compressor | |
| CN1048790C (en) | Oil supply apparatus for friction portion of linear compressor | |
| CN1769681A (en) | Linear compressor | |
| CN1877122A (en) | Linear compressor | |
| CN1137097A (en) | Swash plate type refrigerant compressor with improved internal lubricating system | |
| CN1193168C (en) | Cylinder head for reciprocating compressor | |
| CN1247891C (en) | Multistage high pressure compressor | |
| CN1966979A (en) | Linear compressor | |
| CN1644927A (en) | Compressor | |
| CN1230620C (en) | Reciprocating compressor | |
| CN1662744A (en) | Hermetic compressor | |
| CN1621685A (en) | Hermetic compressor | |
| CN1542273A (en) | Compressor with lubrication structure | |
| CN1755117A (en) | Compressor | |
| CN1388319A (en) | Compressor with sliding bearing | |
| CN1637297A (en) | Scroll compressor | |
| CN1704586A (en) | Oil supply apparatus for hermetic compressor | |
| CN1629488A (en) | Eccentric coupling device in radial compliance scroll compressor | |
| CN1277327A (en) | Rotary compressor | |
| CN1637290A (en) | Reciprocating compressor | |
| CN1317511C (en) | Horizontal compressor | |
| CN100335783C (en) | Lubricant supplying device of reciprocating compressor | |
| CN1637291A (en) | Oil feeding apparatus for reciprocating compressor | |
| CN1882780A (en) | Refrigerant compressor for motor vehicles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |