CN1188595C - Oil pumping apparatus of closed compressor - Google Patents
Oil pumping apparatus of closed compressor Download PDFInfo
- Publication number
- CN1188595C CN1188595C CNB021170568A CN02117056A CN1188595C CN 1188595 C CN1188595 C CN 1188595C CN B021170568 A CNB021170568 A CN B021170568A CN 02117056 A CN02117056 A CN 02117056A CN 1188595 C CN1188595 C CN 1188595C
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- oil
- oil supply
- supply component
- oil suction
- suction parts
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Abstract
The present invention relates to an oil pumping apparatus for a closed compressor. The present invention comprises a crankshaft and an oil supply member, wherein a columned cylindrical oil suction member is arranged in a through hole of the oil supply member; a spiral groove is arranged on the external circumferential surface of the oil suction member, and a certain gap is retained between the spiral groove and the inner circumferential surface of the oil suction member; the oil suction member does not rotate, and lubricating oil can be upward pumped when the oil suction member rotates. A supporting part is arranged at the bottom surface of a closed casing, the oil suction member is positioned in the oil supply member through the elastic force; a supporting spring is fixed on a supporting board, and the oil suction member is in elastic support through the upper end of the supporting spring; the lower end of the oil supply member is provided with a guiding zone which comprises a guiding pipe; a frame installed on the oil supply member is connected with a connection arm to control the right and the left movement of the supporting spring. Through the present invention, the lubricating oil with the lubrication function and the heat dissipation function can be more smoothly supplied, and the assembling work efficiency of the oil pumping apparatus is enhanced.
Description
Technical field
The present invention relates to compressor field.
Background technique
The invention relates to the invention of hermetic type compressor aspect.In hermetic type compressor,, lubricant oil is circulated in order to dispel the heat and the heating component and the slide member of lubricated hermetic type compressor inside.For this reason, used oil rig.Oil rig roughly is divided into the oil rig of the viscous force of the oil rig that utilizes the centrifugal force that crankshaft rotation produces and lubricant oil.
Fig. 1 expresses the sectional drawing of the oil rig structure of prior art hermetic type compressor.As shown in the figure, there is confined space the inside of airtight casing 1.Airtight casing 1 is made up of upper housing and lower casing, and there is confined space inside.
There are compression member and motor in airtight casing 1 inside.The compression member compression refrigerant; The motor driving compression member, and be supported on the framework (drawing is not represented).Frame supported is in the inside of airtight casing 1.In pressing chamber, by the driving force of motor, the piston of compression member carries out the straight line back and forth movement, and refrigerant enters pressing chamber or discharged by valve control by pressing chamber, finally finishes compression work.
Below electric machine structure is described.Rotor 5 is arranged on airtight casing 1 inside, and the electromagnetic interaction by rotor 5 and stator 3 is rotated, and rotor 5 rotatably is supported on the framework.Guide plate 4 is arranged on the lower end of stator 3, the U font carriage 13 that will describe below supporting.
In addition, the central authorities of perforation rotor 5 are provided with crankshaft 7.The upper end of crankshaft 7 and the piston of compression member are connected, and transmit the power that produces on the motor.The circular motion of crankshaft 7 is converted to the straight line back and forth movement of piston.
To the bottom that the heating component in the compressor dispels the heat and the lubricant oil 15 of performance lubrication is stored at airtight casing 1 in slide member.In order to send lubricant oil 15 to heating component and slide member, the oil circuit 8 of perforation is arranged in crankshaft 7 inside.Oil circuit 8 is communicated to the top of crankshaft 7 always, lubricant oil 15 is sent to the top of airtight casing 1.
In addition, the oil circuit by crankshaft 7 inside 8 structure that transmits lubricant oil 15 is formed on the lower end of crankshaft 7.That is to say that oil supply component 9 is arranged on the lower end of crankshaft 7.Oil supply component 9 is a drum, inner up/down perforation.The upper end of oil supply component 9 is pressed into the lower end of crankshaft 7, and the lower end of oil supply component 9 is immersed in the inside of lubricant oil 15.
In the central authorities of U font carriage 13, have certain flexible U font carriage 13 and be connected with oil suction parts 11, supporting oil suction parts 11, the U font of U font carriage 13 prolongs the sidewall 14 that forms to two ends, and sidewall 14 hangs on the guide plate 4.
Oil rig working condition to prior art hermetic type compressor with said structure describes below.
During Driven Compressor, to the compression member supply with compressed refrigerant.In addition, drive motor, by the electromagnetic interaction between stator 3 and the rotor 5, rotor 5, rotation simultaneously is pressed into the crankshaft 7 on the rotor 5, gives compression member with transmission of power, finally finishes compression work.
Below, to the rotation by crankshaft 7, the process that lubricant oil 15 is made progress pumping describes.That is to say that the oil supply component 9 that the lower end is immersed in lubricant oil 15 inside is rotated with crankshaft 7.At this moment, oil suction parts 11 do not rotate.This be because, oil suction parts 11 are supported on the U font carriage 13, U font carriage 13 is fixed on the stator 3.
But the oil rig with prior art hermetic type compressor of said structure but has following shortcoming.
That is to say, when using elastic U font carriage 13 owing to be arranged on the oil suction parts 11 of oil supply component 9 inside and the inaccuracy that install in the gap between the oil supply component 9, make lubricant oil 15 upwards pumping is not smooth.This is the shortcoming that causes because sidewall 14 sizes at U font carriage 13 two ends are very long.
In addition, owing to oil suction parts 11 do not rotate, so oil suction parts 11 and oil supply component 9 can not be constituted an integral body.That is to say, at first oil supply component 9 is pressed into the lower end that is arranged on crankshaft 7, will be inserted in after oil supply component 9 inside, U font carriage 13 could be fixed on the guide plate 4, make troubles to assembling operation with the oil suction parts 11 that U font carriage 13 links
Summary of the invention
Technical problem to be solved by this invention is, a kind of oil rig of hermetic type compressor is provided, and can make the lubricated oil supplying of heat radiation and lubrication more unimpeded, and the assembling operation efficient of raising oil rig.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: cylindric oil suction parts are arranged in the through hole of oil supply component, on the oil suction parts outer peripheral surface spiral chute is arranged, and keep certain interval between the inner peripheral surface of oil supply component, the oil suction parts do not rotate, oil supply component when rotation, by gap and lubricant oil viscosity power to top pumping lubricant oil; The supporting portion is arranged on the bottom surface of airtight casing by the magnetic force of magnet, makes the oil suction parts be positioned at oil supply component by elastic force.
Be provided with magnet below the described supporting portion,, make the bottom surface of dunnage attached to airtight casing by the magnetive attraction of magnet; Supported spring is fixed on the dunnage, the elastic support oil suction parts of the upper end by supported spring.
The lower end of described oil supply component is provided with the boot section, and the boot section comprises leading pipe, and the framework that is installed on the oil supply component is connected to armite, controls swinging of supported spring.
The invention has the beneficial effects as follows, by the oil suction parts in the elastic force support oil supply component of supported spring, can correctly keep the assembled state between oil supply component and the oil suction parts all the time, can make the lubricated oil supplying of heat radiation and lubrication more unimpeded, improve the functional reliability of oil rig.And oil rig integral body can be put into Assembly line as an assembly body, the efficient of assembling operation is improved.
Description of drawings
Fig. 1 expresses the sectional drawing of the oil rig structure of prior art hermetic type compressor.
Fig. 2 expresses the sectional drawing of the hermetic type compressor oil rig structure of the embodiment of the invention.
Fig. 3 expresses the planimetric map of the boot section structure that constitutes the embodiment of the invention.
1. airtight casing 3. stators
4. guide plate 5. rotors
7. crankshaft 8. oil circuits
9. oil supply component 11. oil suction parts
13.U font carriage 14. sidewalls
15. lubricant oil 30. crankshafts
32. oil circuit 34. is pressed into portion
40. oil supply component 42. through holes
45. boot section 45 '. framework
46. leading pipe 46 '. link arm
50. oil suction parts 52. spiral chutes
54. supporting and space 60. supported springs
62. dunnage 64. magnet
Embodiment
Be described in further detail below in conjunction with the oil rig of the drawings and specific embodiments to this present invention hermetic type compressor: as shown in Figures 2 and 3, the outward appearance of compressor is made of airtight casing 1.Airtight casing 1 generally is made up of upper housing and lower casing.Airtight casing 1 inside is provided with the various parts that constitute compressor.That is to say, be provided with formation and provide the motor of power and the compression member that refrigerant is compressed to compressor.
Crankshaft 30 is arranged on the rotor of motor and rotates with the rotor of motor, gives compression member with transmission of power.In crankshaft 30 inside oil circuit 32 is arranged.By oil circuit 32 lubricant oil 15 of airtight casing 1 bottom is pumped into top, compression member and motor are dispelled the heat and lubricate.The lower end of crankshaft 30 is pressed into portion 34, and oil supply component 40 is in being pressed into portion 34.
Below oil circuit 32 is described the structure that lubricant oil 15 carries out pumping.Oil supply component 40 is pressed into the lower end of crankshaft 30.There is through hole 42 inside of oil supply component 40, through hole up/down perforation oil supply component 40.So oil supply component 40 is rotated with crankshaft 30.
Fig. 3 expresses the planimetric map of the shape of boot section 45.As shown in Figures 2 and 3, boot section 45 is arranged on the lower end of oil supply component 40.Be pressed into the framework 45 ' of ring-type at the outer peripheral surface of oil supply component 40, leading pipe 46 arranged in the inboard central authorities of framework 45 '.Leading pipe 46 be supported on to both sides prolong and the armite 46 ' that links with framework 45 ' on.Move about about the supported spring 60 that will illustrate below leading pipe 46 has prevented.
Oil suction parts 50 are positioned at oil supply component 40 inside.The inner peripheral surface of the outer peripheral surface of oil suction parts 50 and oil supply component 40 keeps certain interval.Along outer peripheral surface spiral chute 52 is arranged on oil suction parts 50, spiral chute 52 is paths of guiding lubricant oil 15.Spiral chute 52 forms spirality along oil suction parts outer peripheral surface.
There is supporting and space 54 inside of oil suction parts 50, and supporting and space 54 is positioned at oil suction parts 50 bottoms, and the supported spring 60 that will describe below is positioned at supporting and space 54.The upper inside that is preferably in supporting and space 54 is provided with fixing means (drawing omits explanation), and fixing means prevents that oil suction parts 50 relative supported springs 60 are rotated.
The supporting and space 54 inner supported springs 60 that insert to oil suction parts 50 are supporting oil suction parts 50, and the bottom of supported spring 60 is attached on the dunnage 62, and dunnage 62 is fixed on the bottom surface of airtight casing 1.Supported spring 60 imposes on oil suction parts 50 with certain elastic force, makes oil suction parts 50 how much be close to the inner peripheral surface of oil supply component 40, and can keep certain clearance.In addition, supported spring 60 up/down perforation honeycomb ducts 46.
Be provided with magnet 64 below the dunnage 62.Magnetive attraction by magnet 64 makes the bottom surface of dunnage 62 attached to airtight casing 1.
Effect to the oil rig of hermetic type compressor of the present invention with said structure describes below.
At first the assembling to oil rig of the present invention describes.Oil supply component 40 is pressed in the crankshaft 30.At this moment assembling all-in-one-piece oil supply components 40 such as oil suction parts 50, boot section 45, supported spring 60 and dunnage 62 are put into assembly line.
The inside of oil supply component 40 is provided with oil suction parts 50, and boot section 45 is arranged on the lower end of oil supply component 40, and the leading pipe 46 interior supported springs 60 that run through boot section 45 insert and are fixed in the supporting and space 54 of oil suction parts 50.In addition, dunnage 62 is arranged on the lower end of supported spring 60.
Under above-mentioned state, the assembly body with oil rig and crankshaft 30 is installed in airtight casing 1 when inner, and the magnetive attraction by magnet 64 is installed in dunnage 62 on the special position of airtight casing 1.In addition, oil suction parts 50 keep certain clearance ground to be positioned at the inside of oil supply component 40 with the inner peripheral surface of oil supply component 40.
Working procedure to the oil rig of hermetic type compressor of the present invention with package assembly describes below.Driven Compressor, the rotary crank axle 30 by motor is rotated; In compression member, carry out the compression of refrigerant; Oil circuit 32 by crankshaft 30 is pumped into top with lubricant oil 15.
That is to say that because oil supply component 40 and the rotation of crankshaft 30 one, oil suction parts 50 do not rotate, and make lubricant oil be pumped into top along the spiral chute 52 of oil suction parts 50 in the through hole 42 of oil supply component 40.
40 flow out along the lubricant oil 15 of spiral chute pumping from oil supply component, continue to rise along the oil circuit 32 of crankshaft 30, send heating component and slide member to, dispel the heat and lubricate.
The elastic force of oil suction parts 50 by supported spring 60 that is arranged in the through hole 42 of oil supply component 40 supporting, and remains certain interval between oil supply component 40 inner peripheral surfaces.So, can guarantee that at the driving initial stage lubricant oil accurately supplies especially.Even compressor body rocks, the resiliently deformable by supported spring 60 absorbs the impact that passes over, and can not change the location status of the oil supply component 40 that is arranged on the crankshaft 30.
In addition, the leading pipe 46 of boot section 45 prevents that supported spring 60 from swinging, and armite 46 ' waits and prevents that oil suction parts 50 from too falling.
Claims (3)
1. the oil rig of a hermetic type compressor, comprise crankshaft (30), oil supply component (40), it is characterized in that: cylindric oil suction parts (50) are arranged in the through hole (42) of oil supply component (40), on oil suction parts (50) outer peripheral surface spiral chute (52) is arranged, and keep certain interval between the inner peripheral surface of oil supply component (40), oil suction parts (50) do not rotate, oil supply component (40) when rotation, by gap and lubricant oil viscosity power to top pumping lubricant oil; The supporting portion is arranged on the bottom surface of airtight casing (1) by the magnetic force of magnet (64), makes oil suction parts (50) be positioned at oil supply component (40) by elastic force.
2. according to the oil rig of the said hermetic type compressor of claim 1, it is characterized in that: be provided with magnet (64) below the supporting portion,, make the bottom surface of dunnage (62) attached to airtight casing (1) by the magnetive attraction of magnet (64); Supported spring (60) is fixed on the dunnage (62), by the upper end elastic support oil suction parts (50) of supported spring (60).
3. according to the oil rig of the said hermetic type compressor of claim 2, it is characterized in that: be provided with boot section (45) in the lower end of oil supply component (40), boot section (45) comprises leading pipe (46), the framework that will be installed on the oil supply component (40) connects to armite (46 '), controls swinging of supported spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021170568A CN1188595C (en) | 2002-04-29 | 2002-04-29 | Oil pumping apparatus of closed compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021170568A CN1188595C (en) | 2002-04-29 | 2002-04-29 | Oil pumping apparatus of closed compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1455098A CN1455098A (en) | 2003-11-12 |
| CN1188595C true CN1188595C (en) | 2005-02-09 |
Family
ID=29257144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021170568A Expired - Fee Related CN1188595C (en) | 2002-04-29 | 2002-04-29 | Oil pumping apparatus of closed compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1188595C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101053763B1 (en) * | 2008-02-07 | 2011-08-02 | 파나소닉 주식회사 | Hermetic compressor and its manufacturing method |
| CN106286226B (en) * | 2016-11-07 | 2018-06-01 | 黄石东贝电器股份有限公司 | The oil pump and frequency-changeable compressor of a kind of compressor |
| CN114810553B (en) * | 2022-06-28 | 2022-09-13 | 山东宏泰电器有限公司 | Oil supply mechanism of variable frequency compressor |
-
2002
- 2002-04-29 CN CNB021170568A patent/CN1188595C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1455098A (en) | 2003-11-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TAIZHOU LG ELECTRONICS FREEZER CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS ( TIANJIN ) ELECTRICAL APPLIANCES CO., LTD. Effective date: 20091225 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20091225 Address after: Yingbin Road, Taizhou Economic Development Zone, No. 2 Patentee after: Taizhou LG Electronics Refrigerator Co., Ltd. Address before: Beichen District, Tianjin Xing Lake Road Patentee before: Lejin Electronic and Electric Appliance Co., Ltd. (Tianjin) |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050209 Termination date: 20120429 |