CN1231668C - Oil pumping apparatus of closed compressor - Google Patents
Oil pumping apparatus of closed compressor Download PDFInfo
- Publication number
- CN1231668C CN1231668C CN 02117053 CN02117053A CN1231668C CN 1231668 C CN1231668 C CN 1231668C CN 02117053 CN02117053 CN 02117053 CN 02117053 A CN02117053 A CN 02117053A CN 1231668 C CN1231668 C CN 1231668C
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- oil
- supply component
- oil supply
- axle sleeve
- shaft sleeve
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Abstract
The present invention provides an oil pumping apparatus of a closed compressor. Lubrication oil is arranged inside the closed compressor of which the inside is provided with a compression section and a motor; the centre of a rotor of the motor is provided with a crankshaft, and the lower end of the crankshaft is provided with an oil supply component which is connected with an oil passage formed inside the crankshaft to rotate integrally; a spiral flow passage is formed at the external surface of the oil supply component, and the lubricating oil is delivered to the oil passage through viscosity force. A through hole of which the inside is provided with an oil supply component is formed inside a shaft sleeve, and a gap is kept between the inner surface of the through hole inside the shaft sleeve, and the peripheral surface of the oil supply component; a spring bracket is provided with a supporting spring which can make the shaft sleeve not rotate correspondingly to the oil supply component, keeps the gap and surrounds the outside of the shaft sleeve to support the shaft sleeve. The supporting spring is appressed with and is supported at the peripheral surface of the shaft sleeve, so the assembly state between the shaft sleeve and the oil supply component can be correctly maintained, the lubricating oil suction work between the shaft sleeve and the oil supply component can be correctly completed, and the lubricating oil supply is smoother.
Description
Technical field
The present invention relates to the invention of a kind of hermetic type compressor aspect.Further specify then is about lubricant oil being supplied to the generating heat department and the slide part of hermetic type compressor, carrying out the oil rig of the hermetic type compressor of heat radiation and lubrication.
Background technique
In hermetic type compressor,, lubricant oil is circulated in order to dispel the heat and the generating heat department and the slide part 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 rotating produces and lubricant oil.
Fig. 1 provides the sectional view of the prior art oil rig structure of the viscous force assembling that utilizes lubricant oil.As shown in the figure, the inside of seal container 1 is formed with confined space.Seal container 1 generally is made up of upper container and bottom container, and inside is formed with confined space.
Above-mentioned seal container 1 inside roughly is divided into press part and motor section.Press part is carried out the compression to working fluid; Motor section provides the driving force of drive compression portion, and is supported on the framework (drawing omits explanation).Frame supported is in seal container 1 inside.In pressing chamber, by the driving force of motor section, press part makes piston carry out the straight line back and forth movement, and working fluid flows into and discharges in the inside and outside of pressing chamber by the valve assembly body simultaneously, finally finishes compression work.
Below the motor section structure is described.Stator 3 is arranged on seal container 1 inside, and the rotor 5 that is rotated that interacts of the electro permanent magnetic by rotor 5 and stator 3 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 bent axle 7.The upper end of bent axle 7 and the piston of press part are connected, and transmit the power that produces on the motor section.The straight line back and forth movement that the circular motion of bent axle 7 is converted to piston transmits.
To the bottom that the generating heat department in the compressor is dispelled the heat and the lubricant oil 15 of performance lubrication is stored at seal container 1 in slide part.In order to send lubricant oil 15 to generating heat department and slide part, be formed with the oil circuit 8 of perforation in bent axle 7 inside.The oil circuit 8 that always is formed into bent axle 7 tops sends lubricant oil 15 to the internal upper part of seal container 1.
In addition, the oil circuit by bent axle 7 inside 8 structure that transmits lubricant oil 15 is formed on the underpart of bent axle 7.That is to say that axle sleeve 9 is arranged on the underpart of bent axle 7.Axle sleeve 9 forms drum, inner up/down perforation.The upper end portion of axle sleeve 9 is pressed into the underpart of bent axle 7, and the underpart of axle sleeve 9 is immersed in the inside of above-mentioned lubricant oil 15.
At the central part 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, U font carriage 13 prolongs the side shoot 14,14 ' that forms with the U font to two ends and hangs on the guide plate 4.
Oil rig work to the hermetic type compressor of prior art with said structure describes below.
Driven Compressor then needs to the press part supply compressed working fluid.In addition, drive motor portion compresses working fluid in pressing chamber.That is to say, interact by the electro permanent magnetic between stator 3 and the rotor 5, rotor 5, rotation simultaneously is pressed into the bent axle 7 on the rotor 5, gives press part with transmission of power, finally finishes compression work.
To the rotation by bent axle 7, the process that lubricant oil 15 is made progress pumping describes below.That is to say that the axle sleeve 9 that the underpart is immersed in lubricant oil 15 inside is rotated with bent axle 7.At this moment, oil suction parts 11 are still in axle sleeve 9 inside relatively.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 problem points.
That is to say, when using elastic U font carriage 13 owing to be arranged on the oil suction parts 11 of axle sleeve 9 inside and the inaccuracy that the slit between the axle sleeve 9 is set, make lubricant oil 15 upwards pumping is not smooth.This be because, side support 14,14 ' relatively is formed on U font carriage 13 two ends and the problem that causes very longways.
In addition, owing to 11 pairs of axle sleeves 9 of oil suction parts should be fixed relatively still, so oil suction parts 11 and axle sleeve 9 can not be constituted an assembly body.That is to say, at first axle sleeve 9 is pressed into the underpart that is arranged on bent axle 7, will be inserted in after axle sleeve 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.This is because 13 underparts of supporting oil suction parts 11 of U font carriage.
Summary of the invention
Technical problem to be solved by this invention is that the oil rig of the hermetic type compressor that a kind of assembling operation is convenient, fuel feeding is unobstructed is provided.
The technical solution adopted in the present invention is: a kind of oil rig of hermetic type compressor, in being provided with the hermetic type compressor of press part and motor section, inside also has been provided with the lubricant oil of cooling and lubrication, central authorities at the rotor of motor section are provided with bent axle, oil supply component is arranged on the lower end of bent axle, be connected with the oil circuit that is formed on bent axle inside and be rotated integratedly, outside at oil supply component forms spiral flow path, and lubricant oil sends oil circuit to by viscous force; Axle sleeve inside is formed with through hole, and through hole inside is oil supply component, keeps the slit between the through hole inner face of axle sleeve inside and the outer circumferential face of oil supply component; Resting type spring support has supported spring, and supported spring can make the relative oil supply component of axle sleeve not be rotated and keep the slit, is centered around axle sleeve outside support sleeve.
The oil rig structure of hermetic type compressor of the present invention, can bring following effect: supported spring is close to the outer circumferential face that is supported on axle sleeve, can correctly keep the assembled state between axle sleeve and the oil supply component, the lubricant oil of correctly finishing between axle sleeve and the oil supply component sucts work, makes the lubricant oil supply more unimpeded.
Description of drawings
Fig. 1 is the sectional schematic diagram of the oil rig structure of prior art hermetic type compressor;
Fig. 2 is the sectional schematic diagram of oil rig structure of the hermetic type compressor of one embodiment of the invention.
Fig. 3 is the A-A line sectional view of Fig. 2.
Fig. 4 is in one embodiment of the invention, keeps the side schematic view of the axle sleeve of support by resting type spring support.
Wherein:
1: container 3: stator 4: guide plate 5: rotor 7: bent axle 8: oil circuit
9,50: axle sleeve 11: oil suction parts 13:U type bracket 14,14 ': bogie side frame
15: lubricant oil 40: oil supply component 42: spiral flow 45: be pressed into pillar
52: through hole 53: hook projection 54: lubricant oil guide rail 60: resting type spring support
62: supported spring 64,64 ': coupling frame 70: support
Embodiment
Below in conjunction with accompanying drawing paper, an embodiment of the oil rig structure of hermetic type compressor of the present invention is described in detail.
As Fig. 2, Fig. 3 and shown in Figure 4, the inside that the rotation of motor section is passed to the bent axle 7 of press part is formed with towards the oil circuit 8 on bent axle 7 tops.By oil circuit 8, make the lubricant oil that is stored at the seal container bottom to the top pumping, and disperse on the top of seal container, send generating heat department and slide part to, performance heat release and lubrication.
On oil supply component 40, be extruded with a plurality of pillars 45 that are pressed into, be pressed into pillar 45 and form along outer circumferential face is outstanding laterally in the upper end portion of oil supply component 40.Be pressed into pillar 45 and be close to oil circuit 8 inwalls, oil supply component 40 is pressed on the bent axle 7.As shown in Figure 3, by being pressed into the space between the pillar 45, will be sent on the oil circuit 8 along the lubricant oil that spiral flow path 42 transmits.Therefore, there is not to form the afterbody that the part that is pressed into pillar 45 is formed on spiral flow path 42.
Under non-rotary state, supporting axle sleeve 50 when keeping certain slit between axle sleeve 50 and the oil supply component 40 by resting type spring support 60.Resting type spring support 60 also can be fixed on the stator by the support 70 that is arranged on the stator lower end.
Below resting type spring support 60 structures are described.The central authorities of resting type spring support 60 are provided with supported spring 62, and supported spring is reeled for more than 62 time and is close to the outside of axle sleeve 50.Upper end one side of supported spring 62 hangs on the hook 53.Because a side of supported spring 62 hangs on the hook projection 53, supported spring 62 axle sleeves 50 can not rotate relatively, and can prevent that axle sleeve 50 breaks away from supported spring 62 bottoms.Can certainly make the lower end of the lower end part support sleeve 50 of supported spring 62, prevent to break away from.
Along the two ends of supported spring 62, prolongation is formed with coupling frame 64,64 ' respectively.Coupling frame 64,64 ' front end are installed on the stator by support 70 respectively.In addition, resting type spring support 60 also can use a steel wire to be bent to form.
Below the one embodiment of the invention with said structure are described in detail.
Driven Compressor, then bent axle 7 is rotated, and the compression of execution work fluid makes lubricant oil be pumped into top by the oil circuit 8 of bent axle 7 simultaneously.That is to say, oil supply component 40 carries out the one rotation with bent axle 7, axle sleeve 50 is supported on the supported spring 62 with static state, utilizes the relative rotation between oil supply component 40 and the axle sleeve 50, make lubricant oil be pumped into top by slit between oil supply component 40 and the axle sleeve 50 and spiral flow path 42.
The lubricant oil that rises by spiral flow path 42 sends oil circuit 8 to from the top of oil supply component 40.Also can transmit lubricant oil by between oil supply component 40 outer circumferential faces and the axle sleeve 50.Lubricant oil is guided the inboard in axle sleeve 50 upper ends into by lubricant oil guide rail 54, by the upper end of oil supply component 40 outer circumferential faces, sends oil circuit 8 to again.
The lubricant oil that sends oil circuit 8 to is along with oil circuit 8 rises, and disperses on the top of bent axle 7, sends generating heat department and slide part to, carries out thermolysis and lubrication.
On axle sleeve 50, be wound with supported spring 62, hang on the hook 53, can correctly keep the assembled state between axle sleeve 50 and the oil supply component 40 by supported spring 62 1 sides along outer circumferential face.
Claims (4)
1. the oil rig of a hermetic type compressor, in being provided with the hermetic type compressor of press part and motor section, inside also has been provided with the lubricant oil of cooling and lubrication, central authorities at the rotor (5) of motor section are provided with bent axle (7), it is characterized in that oil supply component (40) is arranged on the lower end of bent axle (7), the oil circuit (8) inner with being formed on bent axle (7) is connected and is rotated integratedly, outside at oil supply component (40) forms spiral flow path (42), and lubricant oil (15) sends oil circuit (8) to by viscous force; Axle sleeve (50) inside is formed with through hole (52), and through hole (52) inside is oil supply component (40), keeps the slit between through hole (52) inner face that axle sleeve (50) is inner and the outer circumferential face of oil supply component (40); Resting type spring support (60) has supported spring (62), and supported spring (62) can make the relative oil supply component (40) of axle sleeve (50) not be rotated and keep the slit, is centered around axle sleeve (50) outer circumferential face support sleeve (50).
2. the oil rig of hermetic type compressor according to claim 1, it is characterized in that for the upper end with oil supply component (40) is pressed in the bent axle (7), be extruded with a plurality of pillars (45) that are pressed in upper end along the oil supply component that is formed with spiral flow path (42) (40).
3. the oil rig of hermetic type compressor according to claim 1, it is characterized in that in order to guide into lubricant oil (15) on the oil circuit (8) of bent axle (7) by the slit between oil supply component (40) and the axle sleeve (50), be formed with lubricant oil guide rail (54) in the upper end of axle sleeve, lubricant oil guide rail 54 tilts to the outer circumferential face direction of oil supply component (40).
4. the oil rig of hermetic type compressor according to claim 1, it is characterized in that, the supported spring (62) of resting type spring support (60) is wound on the outer circumferential face of axle sleeve (50), side at axle sleeve (50) is provided with hook projection (53), be used for fixing supported spring (62), supported spring (62) hangs on the hook projection (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02117053 CN1231668C (en) | 2002-04-29 | 2002-04-29 | Oil pumping apparatus of closed compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02117053 CN1231668C (en) | 2002-04-29 | 2002-04-29 | Oil pumping apparatus of closed compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1455097A CN1455097A (en) | 2003-11-12 |
| CN1231668C true CN1231668C (en) | 2005-12-14 |
Family
ID=29257141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02117053 Expired - Fee Related CN1231668C (en) | 2002-04-29 | 2002-04-29 | Oil pumping apparatus of closed compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1231668C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8850835B2 (en) * | 2010-01-06 | 2014-10-07 | Carrier Corporation | Reciprocating refrigeration compressor oil separation |
-
2002
- 2002-04-29 CN CN 02117053 patent/CN1231668C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1455097A (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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051214 |