CN1637291A - Oil feeding apparatus for reciprocating compressor - Google Patents
Oil feeding apparatus for reciprocating compressor Download PDFInfo
- Publication number
- CN1637291A CN1637291A CNA2004101049098A CN200410104909A CN1637291A CN 1637291 A CN1637291 A CN 1637291A CN A2004101049098 A CNA2004101049098 A CN A2004101049098A CN 200410104909 A CN200410104909 A CN 200410104909A CN 1637291 A CN1637291 A CN 1637291A
- Authority
- CN
- China
- Prior art keywords
- oil
- frame unit
- oil cylinder
- piston
- frame
- 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
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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
- 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
-
- 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
- F16N7/02—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 gravity feed or drip lubrication
- F16N7/04—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 gravity feed or drip lubrication with oil flow promoted by vibration
Abstract
An oil feeding apparatus for a reciprocating compressor comprises: a frame unit; an oil cylinder positioned at a lower portion of the frame unit and vibrating together with the frame unit; an oil flow passage formed in the frame unit to be communicated with the oil cylinder; an oil valve placed at the frame unit, for opening/closing the oil flow passage; an oil piston movably-inserted in the oil cylinder; and springs for elastically supporting the oil piston, wherein the frame unit and the oil cylinder are integrally formed with each other. According to this, components therefor can be simplified, a distortion of the components during an assembling process can be prevented, and an oil leakage and an oil contamination can be also effectively prevented.
Description
Technical field
The present invention relates to reciprocal compressor, particularly be used for the oil-servicing facilities of reciprocal compressor, this oil-servicing facilities can be simplified the number that is used for to the part of the press part fuel feeding of pressurized gas, and can prevent that part from deforming in assembly process.
Background technique
Generally speaking, reciprocal compressor is to aspirate device with compression refrigeration gas by the linear reciprocating motion of piston in cylinder.Reciprocal compressor can be divided into two kinds of diverse ways according to its driving mechanism.That is, in one approach, the rotatablely moving of motor converts linear reciprocating motion to and passes to piston then, and in another approach, the linear reciprocating motion of motor is directly passed to piston.
Fig. 1 has shown the example of reciprocal compressor, and wherein linear reciprocating motion is directly passed to piston.As shown in Figure 1, reciprocal compressor comprises: have the specific internal space and be filled with the casing 100 of the oil of specific quantity in its bottom surface; Be installed in the casing 100 by the frame unit of elastic support; Be fixed on and be used to produce the linear back and forth drive motor 200 of driving force on the frame unit; Thereby be used to receive the linear back and forth driving force suction of drive motor 200 and the compression unit 300 of pressurized gas; Be used for making the part of linear reciprocating motion to cause the resonant springs unit 400 of harmonic moving along the part of moving direction elastic support drive motor 200 and compression unit 300; With the oil supply unit 500 that is fixed on the frame unit.
Frame unit comprises: forward frame 610, compression unit 300 are fixedly secured on it and the part of drive motor 200 supports thereon; The position is placed to the middle frame 620 that has specific interval with forward frame 610, is used for forward frame 610 fixed drive motors 200; And the rear frame 630 that is used for supporting resonant springs unit 400 with middle frame 620.
Drive motor 200 is made of following parts: the external stator 210 that connects between framework 610 and the middle frame 620 forwardly; Be fixedly connected on the forward frame 610 to form the inner stator 220 of specific intervals with external stator 210; And the mover 230 that moves back and forth between insertion external stator 210 and the inner stator 220.Have winding coil 240 in the external stator 210, and mover 230 support 232 that has magnet 231 and be used to support magnet 231.
Compression unit 300 comprises: be fixedly connected to the cylinder 310 on the forward frame 610; Insert and to carry out linear motion in the compression volume of cylinder 310 and to be connected to piston 320 on the mover 230 of drive motor 200; Be connected to the end face of piston 320 and be used for the suction valve 330 of opening/closing at the suction channel of piston 320 formation; Be connected on the forward frame 610 and be used to cover the exhaust cap 340 of cylinder 310 1 sides; Insert the outlet valve 350 that is used for the compression volume of opening/closing cylinder 310 in the exhaust cap 340; And be used for the valve spring 360 that elastic support places the outlet valve 350 of exhaust cap 340.
Resonant springs unit 400 comprises: be connected to the latch plate 410 on the joint between mover 230 and the piston 320; And lay respectively at resonant springs 420 on two sides of latch plate 410.
The reference number 110 expression pumping tubes that do not make an explanation, and 120 expression discharge tubes.
The operation of above-mentioned reciprocal compressor is described now.
At first, in case drive motor 200 energisings, just the electric current of flowing through in the winding coil 240 by drive motor 200 forms magnetic flux in external stator 210 and inner stator 220.Interaction between another magnetic flux that forms according to this magnetic flux with by the magnet 231 of mover 230, mover 230 carries out linear reciprocating motion.According to the linear reciprocating motion of mover 320, the piston 320 that is connected on the mover 230 carries out linear reciprocating motion in cylinder 310.
The linear reciprocating motion of piston 320 produces pressure difference in the compression volume of cylinder 310, because this pressure difference, suction valve 330 and outlet valve 350 opening/closing air-flow paths aspirate, compress and discharge the gas in the cylinder 310 then.By repeating these processes, pressurized gas continuously just.
In suction, compression with discharge in the process of the gas in the compression unit 300 and produced vibration, and this vibration is delivered on the frame unit subsequently, thereby the frame unit generation is vibrated.According to the vibration of frame unit, oil supply unit 500 also vibrates, thereby suction is filled in the oil in casing 100 bottom surfaces.Then, oil is supplied to the part that produces relative movement in the part of compression unit 300.
On the other hand, describe the oil supply unit 500 that is connected to the oil that is used for aspirating the bottom surface that is filled in casing 100 on the frame unit now in detail.
As seeing among Fig. 2, oil supply unit 500 is made of following parts: be fixed on the frame unit bottom and by vibrate the oily parts of pumping with frame unit; Be used for the oil of suction is directed to the oily runner parts of compression unit 300.
The oil pumping parts comprise: be pressed in forward frame 610 bottoms and be connected to oil cylinder 510 above it; Insert the oily piston 520 that is used to aspirate oil in the oil cylinder 510 slidably; Be positioned on each side of oily piston 520 and be used for the spring 530 of elastic support oil piston 520; And at the fuel tap 540 that is used for opening/closing between oil cylinder 510 and oily runner parts on the front surface of forward frame 610.
Oil runner parts comprise: first oil groove 611 that forms with given shape on the front surface of framework 610 forwardly; With oil cap 550, it comprises having given shape and be connected to second oil groove 551 that forms oily runner on the forward frame 610 with first oil groove 611 of forward frame 610.
As mentioned above, when oil supply unit vibrated with frame unit, oily piston 520 produced relative movement in oil cylinder 510.Then and since oily piston 520 in oil cylinder 510 relative movement and in oil cylinder 510, produce pressure difference, the oil that is filled in casing 100 bottom surfaces aspirates through fuel sucking pipe 570 by this pressure difference.Oil through fuel sucking pipe 570 suctions is supplied with compression unit 300 through oily runner parts.The oil that supplies to compression unit 300 then via the internal reflux of compression unit 300 in the bottom surface of casing 100.
Yet in the oil supply unit of as shown in Figure 3 reciprocal compressor, forward frame 610 uses different part manufacturings to be connected to each other then respectively with oil cylinder 510.As a result, because the process of finished parts becomes complicated and processing for this reason becomes accurately, so increased the manufacture cost of part.Equally, thereby the number that has increased part has relatively increased the number of assembly process, and this will cause the reduction of Assembling Production rate.If handle and the process of assembling is not very accurate, so just can not pump well and will cause oil starvation in the compression unit 300 thus.
In addition, oil cylinder 510 is pressed into and is connected to by such extruding in the annular connecting groove 612 of forward frame, and this can cause thin oil cylinder 510 to be out of shape in assembly process or destroy, and causes oil pollution owing to the wearing and tearing of oil cylinder 510 produce tiny residue.
Summary of the invention
Therefore, an object of the present invention is to provide and be used for the reciprocal compressor oil-servicing facilities, this oil-servicing facilities can be simplified the number that is used for to the part of the press part fuel feeding of pressurized gas, and can prevent that part from deforming during assembly process.
Another object of the present invention provide be used for reciprocal compressor can anti-oil pollution and the oil-servicing facilities of oil leakage.
In order to realize these and other advantage and according in that this comprised or in this purpose of broadly describing of the present invention, so the oil-servicing facilities that is used for reciprocal compressor is provided, it comprises: frame unit, this frame unit is fixed with the compression unit of the linear back and forth driving force that is used to receive drive motor with pressurized gas, and is positioned to be supported on the bottom surface and has filled in the oily casing; Oil cylinder is positioned at the bottom of frame unit and vibrates with frame unit; Be formed at the oily runner that the frame unit place is communicated with oil cylinder; Place the frame unit place to be used for the fuel tap of opening/closing oil runner; Insert the oily piston in the oil cylinder movably; And the spring that is used for elastic support oil piston, wherein frame unit and oil cylinder form an integral body each other.
The oil-servicing facilities that is used for reciprocal compressor is provided in an alternative embodiment of the invention, it comprises: the framework with chassis body, this chassis body is fixed with and produces the linear back and forth drive motor of driving force, be used for compression unit, and extensible stretch out and oil cylinder with particular inside diameters and length from chassis body by the driving force pressurized gas that receives drive motor; Insert the oily piston in the oil cylinder of framework movably; And the spring that is used for elastic support oil piston.
From following detailed description of the present invention and with reference to accompanying drawing, above-mentioned and other purpose of the present invention, feature and advantage will become more apparent.
Description of drawings
The present invention includes accompanying drawing and the present invention is more in depth understood and forms a part of the present invention helping, accompanying drawing has shown embodiments of the invention and has been used for explaining principle of the present invention together with describing.
In the accompanying drawings:
Fig. 1 is the sectional view that has shown typical reciprocal compressor;
Fig. 2 is the sectional view that has shown the oil-servicing facilities that is used for conventional reciprocating formula compressor;
Fig. 3 is the perspective view that has shown the oil-servicing facilities that is used for traditional reciprocal compressor;
Fig. 4 has shown the sectional view that has according to the reciprocal compressor of the oil-servicing facilities of the embodiment of the invention;
Fig. 5 has shown the sectional view that is used for according to the oil-servicing facilities of reciprocal compressor of the present invention; With
Fig. 6 has shown the perspective view that is used for according to the oil-servicing facilities of reciprocal compressor of the present invention.
Embodiment
Now will be in detail with reference to the preferred embodiments of the present invention, wherein these embodiments' example is shown in the drawings.
Hereinafter, with reference to the accompanying drawings the oil-servicing facilities that is used for reciprocal compressor according to the embodiment of the invention is described in detail.
Fig. 4 has shown the sectional view that has according to the reciprocal compressor of the oil-servicing facilities of the embodiment of the invention, and Fig. 5 has shown the sectional view that is used for according to the oil-servicing facilities of reciprocal compressor of the present invention.The portion identical with conventional art has identical reference number.
Shown in Figure 4 and 5, reciprocal compressor comprises: have the specific internal space and filled the casing 100 of the oil of specific quantity in its bottom surface; Be installed in the casing by the frame unit of elastic support; Be fixed on and be used to produce the linear back and forth drive motor 200 of driving force on the frame unit; Thereby be used to receive the linear back and forth driving force suction of drive motor 200 and the compression unit 300 of pressurized gas; Be used for making the part of linear reciprocating motion to cause the resonant springs unit 400 of harmonic moving along the part of moving direction elastic support drive motor 200 and compression unit 300.This structure and above-mentioned similar, so its detailed description will be omitted in the back.
Has oil-servicing facilities in the frame unit.
Frame unit comprises: forward frame 640, and this forward frame 640 is fixedly connected on the compression unit 300, and the part of drive motor 200 also supports thereon; Middle frame 620, its position are placed to forward frame 640 has specific interval, is used for forward frame 640 fixed drive motors 200; And the rear frame 630 that is used for supporting resonant springs unit 400 with middle frame 620.
Oil-servicing facilities comprises: be positioned at the bottom of forward frame 640 and the oil cylinder that vibrates with frame unit; Be formed at frame unit place and oily runner to be communicated with oil cylinder 641; Place the frame unit place to be used for the fuel tap 540 of opening/closing oil runner; Insert the oily piston 520 in the oil cylinder 641 movably; The spring 530 that is used for elastic support oil piston 520; And the fuel sucking pipe 645 that is communicated with oily runner of the bottom that is positioned at forward frame 640.
The tubulose that oil cylinder 641 and forward frame integral body of 640 formation and formation have particular inside diameters and length.Forward frame 640 and oil cylinder 641 usefulness identical materials form.
Fig. 6 has shown the structure of forward frame 640.As shown in Figure 6, forward frame 640 is made of following parts: the chassis body 642 of having fixed drive motor 200 and compression unit 300 on it; And oil cylinder 641, it stretches out to have specific internal diameter and length from chassis body 642 lower surface telescopicallies.
Hereinafter, will illustrate according to the operating effect that is used for the oil-servicing facilities of reciprocal compressor of the present invention.
At first, have according to the reciprocal compressor of oil-servicing facilities of the present invention and as above-mentioned, operate.
In addition, the operation of oil-servicing facilities is as follows.At first, the vibration that produces substantially horizontal by compression unit 300 and the operation that is connected to the drive motor 200 on the frame unit.Because the vibration of frame unit, oily piston 520 produces relative movement in oil cylinder 641.Then, according to oily piston 520 in oil cylinder 641 relative movement and in oil cylinder 641, produce pressure difference, the oil that is filled in casing 100 bottom surfaces aspirates through fuel sucking pipe 645 by this pressure difference.
Oil through fuel sucking pipe 645 suctions supplies to compression unit 300 through oily runner parts.The oil that supplies to compression unit 300 then via the internal reflux of compression unit 300 in the bottom surface of casing 100.
Because forward frame 640 and oil cylinder 641 form an integral body in oil-servicing facilities, forward frame 640 and oil cylinder 641 can be made by casting.
Because forward frame 640 and oil cylinder 641 form an integral body in oil-servicing facilities according to the present invention, thus only need a part to be used for forming forward frame 640 and oil cylinder 641, thus simplified the configuration of oil-servicing facilities relatively.
In addition, because forward frame 640 and oil cylinder 641 form an integral body, just there is no need to make individually each forward frame 640 and oil cylinder 641, thereby reduced assembly process and allowed better simply manufacturing and processing.
In addition, then it is fitted in the forward frame 640 if make oil cylinder 641 separately, so thin oil cylinder 641 may be out of shape or damage, and this just may cause realizing well the relative movement of oily piston 520.Yet, in the present invention,, cause the bad operation of oily piston so can prevent distortion, thereby realize fuel feeding reposefully owing to oil cylinder 641 because forward frame 640 and oil cylinder 641 form an integral body.
Equally, if independent manufacturing oil cylinder 510 fits into it in the forward frame 610 then as conventional art, meeting produces impurity and causes oil to pollute between oil cylinder 510 and the forward frame 610 so.Yet in the present invention, because forward frame 640 and oil cylinder 641 form an integral body, so can prevent oil owing to the pollution and the leakage that cause in the error of making or produce between erecting stage, the result just can prevent lacking of oil.
Up to the present, as mentioned above, according to the oil-servicing facilities that is used for reciprocal compressor of the present invention, because the reducing of number of parts and assembly process number, so be very beneficial for improving the Assembling Production rate.Equally, so because the simplification of handling and making can reduce manufacture cost effectively.
In addition, by preventing oil leakage fuel feeding at an easy rate, and can improve the reliability of compressor by anti-oil pollution.
Because the present invention can realize by several forms that do not break away from spirit of the present invention or key property, so should be appreciated that simultaneously, unless otherwise, otherwise the foregoing description is not subjected to the restriction of above-described any details, explain but should have in the spirit and scope of the present invention that in as appended claims, define widely, and therefore fall into all changes of boundary of claim and the equivalent of improvement and these boundaries all should be included in appended claims.
Claims (6)
1. oil-servicing facilities that is used for reciprocal compressor comprises:
Frame unit, this frame unit are fixed with and are used for the compression unit of pressurized gas by the linear back and forth driving force that receives drive motor, and are positioned to elastic support and have filled in the oily casing in the bottom surface;
Be positioned at the bottom of frame unit and the oil cylinder that vibrates with frame unit;
Be formed at frame unit and sentence the oily runner that is communicated with oil cylinder;
Place the frame unit place to be used for the fuel tap of opening/closing oil runner;
Insert the oily piston in the oil cylinder movably; And
The spring that is used for elastic support oil piston,
It is characterized in that frame unit and oil cylinder form an integral body each other.
2. equipment as claimed in claim 1 is characterized in that frame unit and oil cylinder are formed by identical materials.
3. equipment as claimed in claim 1 is characterized in that, oil cylinder forms the tubulose with particular inside diameters and length.
4. equipment as claimed in claim 1 is characterized in that fuel sucking pipe is installed in the bottom surface section of frame unit.
5. equipment as claimed in claim 4 is characterized in that, fuel sucking pipe and frame unit form an integral body each other.
6. oil-servicing facilities that is used for reciprocal compressor comprises:
Framework with chassis body, this chassis body is fixed with and produces the linear back and forth drive motor of driving force, be used for the compression unit of pressurized gas, and stretch ground and stretch out and oil cylinder with particular inside diameters and length from chassis body by the driving force that receives drive motor;
Insert the oily piston in the oil cylinder of framework movably; With
The spring that is used for elastic support oil piston.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030102290 | 2003-12-31 | ||
| KR1020030102290A KR20050071254A (en) | 2003-12-31 | 2003-12-31 | Apparatus for supplying oil of reciprocating compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1637291A true CN1637291A (en) | 2005-07-13 |
Family
ID=34698956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004101049098A Pending CN1637291A (en) | 2003-12-31 | 2004-12-30 | Oil feeding apparatus for reciprocating compressor |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20050139428A1 (en) |
| JP (1) | JP2005195018A (en) |
| KR (1) | KR20050071254A (en) |
| CN (1) | CN1637291A (en) |
| BR (1) | BRPI0405967A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8070460B2 (en) | 2006-01-16 | 2011-12-06 | Lg Electronics Inc. | Oil pump used in a linear compressor |
| CN102322413A (en) * | 2011-08-30 | 2012-01-18 | 重庆耐德燃气设备有限公司 | Hydraulic oil piston type natural gas sub-station compressor |
| CN104153962A (en) * | 2013-05-14 | 2014-11-19 | 海尔集团公司 | Oil supply device and linear compressor comprising same |
| US8899382B2 (en) | 2006-01-16 | 2014-12-02 | Lg Electronics Inc. | Oil valve assembly of linear compressor |
| CN105240257A (en) * | 2014-06-26 | 2016-01-13 | 青岛海尔智能技术研发有限公司 | Oil supply device and linear compressor |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100619768B1 (en) * | 2005-02-03 | 2006-09-11 | 엘지전자 주식회사 | 2-stage reciprocating compressor and refrigerator with this |
| KR100657499B1 (en) * | 2005-10-17 | 2006-12-14 | 엘지전자 주식회사 | Linear compressor |
| KR100714594B1 (en) * | 2006-08-04 | 2007-05-07 | 엘지전자 주식회사 | Oil pumping unit for a linear compressor |
| CN103912472A (en) * | 2013-01-08 | 2014-07-09 | 海尔集团公司 | Linear compressor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2950809B1 (en) * | 1998-05-07 | 1999-09-20 | エルジー電子株式会社 | Oil supply device for linear compressor |
| DE19921293C2 (en) * | 1998-05-12 | 2002-06-13 | Lg Electronics Inc | Oil supply device for a linear compressor |
| KR100301506B1 (en) * | 1998-12-28 | 2001-11-30 | 구자홍 | Oil feeder for linear compressor |
| KR100314063B1 (en) * | 1999-09-08 | 2001-11-15 | 구자홍 | Apparatus for applying oil of linear compressor |
| KR20010081660A (en) * | 2000-02-17 | 2001-08-29 | 구자홍 | Apparatus for applying oil of linear compressor |
| KR100524723B1 (en) * | 2003-08-11 | 2005-10-31 | 엘지전자 주식회사 | Oil supply apparatus for reciprocating compressor |
-
2003
- 2003-12-31 KR KR1020030102290A patent/KR20050071254A/en not_active Application Discontinuation
-
2004
- 2004-12-28 JP JP2004379534A patent/JP2005195018A/en active Pending
- 2004-12-29 BR BR0405967-0A patent/BRPI0405967A/en not_active IP Right Cessation
- 2004-12-29 US US11/023,496 patent/US20050139428A1/en not_active Abandoned
- 2004-12-30 CN CNA2004101049098A patent/CN1637291A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8070460B2 (en) | 2006-01-16 | 2011-12-06 | Lg Electronics Inc. | Oil pump used in a linear compressor |
| US8899382B2 (en) | 2006-01-16 | 2014-12-02 | Lg Electronics Inc. | Oil valve assembly of linear compressor |
| CN102322413A (en) * | 2011-08-30 | 2012-01-18 | 重庆耐德燃气设备有限公司 | Hydraulic oil piston type natural gas sub-station compressor |
| CN102322413B (en) * | 2011-08-30 | 2013-06-19 | 重庆耐德能源装备集成有限公司 | Hydraulic oil piston type natural gas sub-station compressor |
| 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 |
| CN105240257A (en) * | 2014-06-26 | 2016-01-13 | 青岛海尔智能技术研发有限公司 | Oil supply device and linear compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0405967A (en) | 2005-09-20 |
| KR20050071254A (en) | 2005-07-07 |
| JP2005195018A (en) | 2005-07-21 |
| US20050139428A1 (en) | 2005-06-30 |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |