CN1088804C - Oil pickup apparatus for hermetic compressor - Google Patents
Oil pickup apparatus for hermetic compressor Download PDFInfo
- Publication number
- CN1088804C CN1088804C CN97120372A CN97120372A CN1088804C CN 1088804 C CN1088804 C CN 1088804C CN 97120372 A CN97120372 A CN 97120372A CN 97120372 A CN97120372 A CN 97120372A CN 1088804 C CN1088804 C CN 1088804C
- Authority
- CN
- China
- Prior art keywords
- propeller cavitation
- oil
- quaterfoil
- compressor
- bent axle
- 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.)
- Expired - Fee Related
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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
- F04B39/0223—Lubrication characterised by the compressor type
- F04B39/023—Hermetic compressors
- F04B39/0238—Hermetic compressors with oil distribution channels
- F04B39/0246—Hermetic compressors with oil distribution channels in the rotating shaft
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Rotary Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
An oil pickup apparatus for hermetic compressor can increase oil pumping ability when screw rotating in virtue of a propeller. The device includes a porpeller embedded on lower part of upper oil passage of a bend axle. The device can more effectively pump oil at the bottom of the hermetic container of the compressor to friction section of each parts of the compressor, which effectively lubricates and cools relative parts of the compressor.
Description
Technical field:
The present invention relates to a kind of oil rig that is used for closed compressor, particularly relate to a kind of improved oil rig that is used for closed compressor,, can increase the ability of pumping in the propeller cavitation rotary course by a kind of quaterfoil propeller cavitation is provided.
Background technique:
As shown in Figure 1, be an existing closed compressor.Have the seal container 1 that constitutes compressor case, framework 2 is housed in seal container 1, stator 3 and rotor 4 are housed below framework 2.The bent axle 5 that the top has an eccentric part 5a is packed in the rotor 4, and cylinder 6 is connected the top of framework 2, and piston 7 can be reciprocating in cylinder 6.
In addition, cover member 8 is housed,, can in cylinder, imports or discharge gas by it at an end of cylinder 6.
Referring now to accompanying drawing, the movement process of existing closed compressor is described.
When connecting power supply for stator 3, rotor 4 begins rotation, and with rotor 4 rotations, bent axle 5 rotations.With bent axle 5 rotations, the piston 7 that links to each other with eccentric part 5a on the bent axle 5 is reciprocating in cylinder 6.
Therefore, by the to-and-fro motion of piston 7, the cooling gas of low-temp low-pressure imports cylinder 6 through cylinder end piece 8.The cooling gas of these importings compresses in cylinder 6 through piston 7, produces the High Temperature High Pressure cooling gas.Then, the High Temperature High Pressure cooling gas of these generations is discharged through cylinder end piece 8.
Bottom at seal container 1 is full of oil, and these oil supply to the friction means of compressor, prevent parts depreciation, and to above-mentioned part cooling.In addition, oil rig 9 is housed below bent axle 5, when bent axle 5 rotations, oil is drawn up via 5 b of the oil circuit in the bent axle 5, is ejected into the friction means of compressor like this.
Fig. 2 shows the structure of existing oil rig 9.As shown in the figure, in the oil rig 9 of existing closed compressor, a double-leaf propeller cavitation 10 (two blade 10a) is embedded into the bottom of the oil circuit 5b of bent axle 5, and pass this double-leaf propeller cavitation top by supporting member 11, be implemented in the yielding support among the oil circuit 5b.
The perspective view of Fig. 3 has provided the shape of double-leaf propeller cavitation among Fig. 2.As shown in the figure, the aperture 10b of a perforation is arranged on the top of this double-leaf propeller cavitation, pass for supporting member 11.
In existing closed compressor, the oil rig 9 of said structure is when bent axle 5 rotates, yielding support is in double-leaf propeller cavitation 10 rotations of oil circuit 5b bottom, by the rotatory force of two bladed propeller 10, along oil circuit 5b, with oily suction, and supply to the friction means of compressor.
Yet in the existing oil rig of closed compressor, its oil pumping performance is bad, because its oil pumping power is to produce by the rotation of double-leaf propeller cavitation 10.Like this, can not effectively oil be supplied to the friction means of compressor, cooling effect is bad, has shortened the life-span of compressor component.
In addition, because only supporting member 11 supports double-leaf propeller cavitation 10 in oil circuit, when bent axle 5 rotations, supporting member 11 can move left and right.Like this, the double-leaf propeller cavitation can produce similar motion, has reduced the oil pumping ability.
Summary of the invention:
Therefore, one object of the present invention just provides a kind of oil rig of closed compressor, can overcome the foregoing problems that runs in background technique.
Another object of the present invention provides a kind of like this oil rig that is used for closed compressor, and it can increase the oil pumping ability of propeller cavitation rotary course by using the quaterfoil propeller cavitation.
For achieving the above object, provide a kind of oil rig that is used for closed compressor.It comprises a quaterfoil propeller cavitation that is embedded into oil circuit bottom in bent axle, wherein, be positioned at the oil of compressor seal container bottom, can more effectively pump to the friction portion of each part of compressor, can carry out lubricated effectively and cooling to compressor components like this.
Other advantage of the present invention, purpose and characteristics in the following description can be clearer.
Description of drawings:
From following detailed and accompanying drawing, the present invention can be more fully understood.But these only are for the present invention is described, rather than restriction the present invention.In the accompanying drawing:
Fig. 1 is the sectional view of the existing closed compressor structure of expression;
Fig. 2 is the part sectioned view of the existing closed compressor oil rig structure of expression;
Fig. 3 is the stereogram of double-leaf propeller cavitation shape in the presentation graphs 2;
Fig. 4 is the part sectioned view according to the oil rig of the closed compressor of first embodiment of the invention;
Fig. 5 is the three-dimensional exploded view of quaterfoil propeller cavitation among Fig. 4;
Fig. 6 is according to second embodiment of the invention, is applicable to the stereogram of quaterfoil propeller cavitation of the oil rig of closed compressor.
Embodiment:
Fig. 4 is the oil rig of closed compressor according to a first embodiment of the invention.As shown in the figure, in the present invention, use a quaterfoil propeller cavitation 100, more effectively oil pumping, and oil supplied to the friction means of compressor, like this, enlarged markedly the cooling effect of compressor components.And be different from double-leaf oil rig of the prior art.
Fig. 5 is the three-dimensional exploded view of quaterfoil propeller cavitation among Fig. 4.As shown in the figure, in quaterfoil propeller cavitation 100, two blade 101a be formed at one with the similar double-leaf propeller cavitation 10 of existing double-leaf propeller cavitation ' the bottom, the formation of said structure is to realize by means of inserting a double-leaf propeller cavitation counterpart 101 that has mating groove 101b.
So quaterfoil propeller cavitation 100 fix in position that constitute in bent axle 5 ' in the bottom of oil circuit 5b '.As shown in Figure 4, supporting member 11 ' the pass through hole 10 ' b that is positioned at quaterfoil propeller cavitation top, by be formed on bent axle 5 ' in oil circuit 5b ' yielding support.Be positioned at double-leaf propeller cavitation 10 ' and the two end part of the blade 10 ' a of double-leaf propeller cavitation counterpart 101 bottoms and blade 101a between diameter (distance) greater than the internal diameter that is positioned at oil circuit on the bent axle.In this case, blade 10 ' a and 101a be through resiliently deformable, fill in (embedding) be arranged in bent axle 5 ' oil circuit 5b ', can prevent the move left and right of quaterfoil propeller cavitation like this.
To existing double-leaf propeller cavitation 10, but elongate blade 10a fills in oil circuit with it again.Yet with comparing according to quaterfoil propeller cavitation of the present invention, existing double-leaf propeller cavitation can not prevent the move left and right of supporting member effectively.
Fig. 6 represents second embodiment being applicable to the quaterfoil propeller cavitation of closed compressor oil rig according to of the present invention.As shown in the figure, on the top of quaterfoil propeller cavitation, whole formation one yielding support part 200a can support quaterfoil propeller cavitation 200 so effectively, has reduced the number of parts of compressor simultaneously.
For the quaterfoil propeller cavitation 100 and 200 that is applicable to the closed compressor oil rig according to the present invention, all be by existing supporting member 11 ' or integral elastic support spare 200a, with the upper support of propeller cavitation bent axle 5 ' in oil circuit 5b ' in.With every pair of blade pitgh from the bottom that is embedded into four-blade propeller 100 and 200 greater than four blades of bent axle 5 ' middle oil circuit 5b ' internal diameter respectively.In addition, quaterfoil propeller cavitation 100 and 200 is installed in the bottom of bent axle 5 ' middle oil circuit 5 ' b.
In view of according to the running of closed compressor oil rig of the present invention action with to have oil rig now similar, remove following description, omit other explanation.
When bent axle 5 ' rotation, quaterfoil propeller cavitation 100 and 200 is with the unequal angular velocity rotation, and the oil bottom the compressor is taken away by rotatory force like this.These take out next oil along oil circuit 5b ' transmission, are ejected into the friction portion of compressor, and this has prevented the wearing and tearing of compressor part.
As mentioned above, in oil rig, used the quaterfoil propeller cavitation, compared, can more effectively pump with existing double-leaf propeller cavitation according to closed compressor of the present invention.Strengthened the lubricated and cooling effect of compressor like this.
In addition, by improving the symmetry properties of propeller cavitation, in the time of can preventing that bent axle from rotating, propeller cavitation is move left and right on general supporting member or elastic supporting piece.
And,,, be embedded into respectively in the oil circuit of bent axle again through distortion according to four blades of quaterfoil propeller cavitation of the present invention.In addition, the top of propeller cavitation obtains firm supporting, and its underpart obtains stable support by blade.Like this, move, improved the laser propagation effect of oil pumping and oil by preventing propeller cavitation.
Though described the preferred embodiments of the present invention for above, those skilled in the art can be used for various modifications, augment or replace not breaking away from the scope that the present invention summarized in claims.
Claims (4)
1. oil rig that is used for closed compressor, it comprises:
A quaterfoil propeller cavitation that is embedded in the oil circuit bottom that is arranged in bent axle; Be used for oil is pumped to the friction portion of each parts of compressor.
2. oil rig as claimed in claim 1 is characterized in that, described quaterfoil propeller cavitation is by a double-leaf propeller cavitation and one band mating groove and have the double-leaf propeller cavitation counterpart of two blades to constitute in the bottom.
3. oil rig as claimed in claim 1, it is characterized in that, in the above-mentioned quaterfoil propeller cavitation, blade is pressed predetermined angle through resiliently deformable, be embedded in the oil circuit that is formed in the bent axle arbitrary internal diameter that blade two-end-point distance (formation diameter) is embedded the oil circuit bottom that is positioned at bent axle wherein greater than the quaterfoil propeller cavitation.
4. oil rig as claimed in claim 1 is characterized in that, it also comprise one with the integrally formed elastic supporting piece in quaterfoil propeller cavitation top, be used for quaterfoil propeller cavitation yielding support to the oil circuit bottom that is formed in the bent axle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960045985U KR200149164Y1 (en) | 1996-12-06 | 1996-12-06 | Oil suction apparatus of a hermetic compressor |
| KRU45985/96 | 1996-12-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1186169A CN1186169A (en) | 1998-07-01 |
| CN1088804C true CN1088804C (en) | 2002-08-07 |
Family
ID=19477525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97120372A Expired - Fee Related CN1088804C (en) | 1996-12-06 | 1997-12-08 | Oil pickup apparatus for hermetic compressor |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR200149164Y1 (en) |
| CN (1) | CN1088804C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100547434B1 (en) * | 2004-04-19 | 2006-01-31 | 엘지전자 주식회사 | End coil cooling structure of hermetic compressor |
| KR101161124B1 (en) * | 2005-10-07 | 2012-06-28 | 삼성전자 주식회사 | Variable capacity compressor |
| KR102422698B1 (en) * | 2020-11-06 | 2022-07-20 | 엘지전자 주식회사 | Hermetic compressor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1136139A (en) * | 1995-04-03 | 1996-11-20 | Lg电子株式会社 | Oil supplying apparatus for hermetic type compressor |
-
1996
- 1996-12-06 KR KR2019960045985U patent/KR200149164Y1/en not_active IP Right Cessation
-
1997
- 1997-12-08 CN CN97120372A patent/CN1088804C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1136139A (en) * | 1995-04-03 | 1996-11-20 | Lg电子株式会社 | Oil supplying apparatus for hermetic type compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| KR19980033080U (en) | 1998-09-05 |
| KR200149164Y1 (en) | 1999-06-15 |
| CN1186169A (en) | 1998-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20020807 Termination date: 20100108 |