CN105526173A - Rotor compressor - Google Patents
Rotor compressor Download PDFInfo
- Publication number
- CN105526173A CN105526173A CN201610054671.5A CN201610054671A CN105526173A CN 105526173 A CN105526173 A CN 105526173A CN 201610054671 A CN201610054671 A CN 201610054671A CN 105526173 A CN105526173 A CN 105526173A
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- CN
- China
- Prior art keywords
- rotor compressor
- lower flange
- compressor
- cavity
- turbine
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
- F04C27/008—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids for other than working fluid, i.e. the sealing arrangements are not between working chambers of the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The embodiment of the invention discloses a rotor compressor. The rotor compressor comprises a shell, a crankshaft, an air cylinder and a motor, and further comprises a turbine arranged on the crankshaft; the turbine is located in a cavity defined by a lower flange assembly; the cavity is communicated with a center hole; the lower flange assembly is provided with an oil inlet hole for communicating an oil pool of the shell with the cavity. By the adoption of the rotor compressor, after the motor is powered on, the crankshaft is driven to rotate, a pressure difference is generated between the negative pressure generated in the cavity when the turbine located on the crankshaft rotates and the interior of the shell, and refrigerant oil in the oil pool is sucked in through the oil inlet hole in the lower flange assembly and pumped to each friction pair through the center hole for lubricating and sealing. As the pressure difference is generated in the rotor compressor, suction force of the compressor is effectively increased, and the lubricating effect of the compressor is improved. At the same time, as the turbine is arranged on the crankshaft, compared with the prior art, the rotor compressor is more stable and reliable.
Description
Technical field
The present invention relates to Compressor Technology field, more particularly, relate to a kind of rotor compressor.
Background technique
Compressor oil-supplying mechanism, is drawn onto oil in bent axle by the center hole on bent axle, then is transported between each friction pair, the effect played lubrication, sealing and cool.
In current a kind of compressor, at crankshaft back end center hole, the impeller with multiple blade is installed.Form suction force by the rotation of impeller, refrigeration oil is sucked in center hole.But because the impeller of the compressor of this kind of structure is smaller, the suction force of generation is more weak, more difficult by oil pump to high height, good lubrication and sealing cannot be formed, and impeller easily produces and comes off, and just cannot form stable lubrication once come off.And increase with spiral fluted Oil sucking device at crankshaft back end in another compressor, but this mode adopts centrifugal force to be delivered in center hole by refrigeration oil, and therefore aspiration is smaller, cannot form good lubrication and sealing equally.
Therefore, how to improve greasy property and the stability of compressor, become the technical problem that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of rotor compressor, to improve greasy property and the stability of compressor.
For achieving the above object, the invention provides following technological scheme:
A kind of rotor compressor, comprise housing, bent axle, cylinder and motor, wherein, described bent axle, described cylinder and described motor are arranged on described enclosure interior, described cylinder and described motor are successively set on described bent axle, center hole is provided with in the middle part of described bent axle, described lower flange assembly is arranged on described cylinder, and the oil sump of described bent axle and described housing is isolated, also comprise the turbine be arranged on described bent axle, described turbine is positioned at the cavity that described lower flange assembly surrounds, described cavity is connected with described center hole, described lower flange assembly is provided with and is communicated with the oil sump of described housing and the oil inlet hole of described cavity.
Preferably, in above-mentioned rotor compressor, described lower flange assembly comprises the lower flange be arranged on described cylinder and the cover plate be arranged on described lower flange, surrounds described cavity between described cover plate and described lower flange.
Preferably, in above-mentioned rotor compressor, described cavity is cylindrical structural.
Preferably, in above-mentioned rotor compressor, described oil inlet hole is arranged on described cover plate.
Preferably, in above-mentioned rotor compressor, the filler opening of described oil inlet hole is arranged on the side of described cover plate.
Preferably, in above-mentioned rotor compressor, the cross section of described oil inlet hole is circle, rectangle or ellipse.
Preferably, in above-mentioned rotor compressor, the aperture of described oil inlet hole is 1mm-10mm.
Preferably, in above-mentioned rotor compressor, described turbine and described bent axle are interference fit.
Preferably, in above-mentioned rotor compressor, the quantity of the blade on described turbine is at least three.
Preferably, in above-mentioned rotor compressor, described center hole is blind hole.
Preferably, in above-mentioned rotor compressor, the rotor portion of described motor is also provided with fan.
As can be seen from above-mentioned technological scheme, adopt the rotor compressor in the embodiment of the present invention, after electrical power, drive crankshaft rotating, the negative pressure that when turbine be positioned on bent axle rotates, cavity produces and enclosure interior define pressure difference, refrigeration oil in oil sump is sucked by the oil inlet hole on lower flange assembly, and is pumped in each friction pair by center hole and carries out lubrication and seal.Owing to adopting mineralization pressure in the rotor compressor in the embodiment of the present invention poor, the suction force of compressor is effectively promoted, and adds the lubrication effect of compressor, and meanwhile, turbine is arranged on bent axle, compared with prior art more reliable and more stable.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The sectional structure schematic diagram of the rotor compressor that Fig. 1 provides for the embodiment of the present invention;
The perspective view of bent axle in the rotor compressor that Fig. 2 provides for the embodiment of the present invention;
The perspective view of turbine in the rotor compressor that Fig. 3 provides for the embodiment of the present invention;
Fig. 4 looks perspective view for the master of the rotor compressor cover plate that the embodiment of the present invention provides;
The top perspective structural representation of the rotor compressor cover plate that Fig. 5 provides for the embodiment of the present invention;
The perspective cross-sectional structural representation of the rotor compressor cover plate that Fig. 6 provides for the embodiment of the present invention.
Wherein, 100 be housing, 101 be oil sump, 200 be turbine, 300 be cylinder, 400 be motor, 401 be fan, 501 be lower flange, 502 be cover plate, 503 be cavity, 504 be oil inlet hole for hole, 202 centered by bent axle, 201.
Embodiment
Core of the present invention is to provide a kind of rotor compressor, to improve greasy property and the stability of compressor.
Below, with reference to accompanying drawing, embodiment is described.In addition, the embodiment shown in below does not play any restriction effect to the summary of the invention described in claim.In addition, the solution that the full content of the formation below represented by embodiment is not limited to as the invention described in claim is necessary.
Refer to Fig. 1 to Fig. 3, the sectional structure schematic diagram of the rotor compressor that Fig. 1 provides for the embodiment of the present invention; The perspective view of bent axle in the rotor compressor that Fig. 2 provides for the embodiment of the present invention; The perspective view of turbine in the rotor compressor that Fig. 3 provides for the embodiment of the present invention.
Rotor compressor in the embodiment of the present invention, comprise housing 100, bent axle 200, cylinder 300 and motor 400, wherein, bent axle 200, it is inner that cylinder 300 and motor 400 are arranged on housing 100, cylinder 300 and motor 400 are successively set on bent axle 200, center hole 201 is provided with in the middle part of bent axle 200, lower flange assembly is arranged on cylinder 300, and the oil sump 101 of bent axle 200 with housing 100 is isolated, also comprise the turbine 202 be arranged on bent axle 200, turbine 202 is positioned at the cavity 503 that lower flange assembly surrounds, cavity 503 is connected with center hole 201, lower flange assembly is provided with the oil sump 101 and the oil inlet hole 504 of cavity 503 that are communicated with housing 100.
Adopt the rotor compressor in the embodiment of the present invention, after motor 400 is energized, band dynamic crankshaft 200 rotates, the negative pressure that when turbine 202 be positioned on bent axle 200 rotates, cavity 503 produces and housing 100 inside define pressure difference, refrigeration oil in oil sump 101 is sucked by the oil inlet hole 504 on lower flange assembly, and be pumped in each friction pair by center hole 201 and carry out lubrication and seal, please refer to direction shown in dotted arrow.Owing to adopting mineralization pressure in the rotor compressor in the embodiment of the present invention poor, the suction force of compressor is effectively promoted, and adds the lubrication effect of compressor, and meanwhile, turbine 202 is arranged on bent axle 200, compared with prior art more reliable and more stable.
The inside of bent axle 200 and housing 100 is mainly isolated in the effect of lower flange assembly, and wherein, the structure realizing buffer action has a variety of.In embodiments of the present invention, lower flange assembly comprises the lower flange 501 be arranged on cylinder 300 and the cover plate 502 be arranged on lower flange 501, surrounds cavity 503 between cover plate 502 and lower flange 501.
Wherein, lower flange 501, for cover plate 502 is fixed on cylinder 300, its cover plate 502 is formed the major component of cavity 503, or lower flange 501 is formed the major component of cavity 503, or cover plate 502 and lower flange 501 evenly form cavity 503.In order to simplify the difficulty of processing of flange assembly, in the embodiment of the present invention, cover plate 502 forms the major component of cavity 503, when turbine 202 is installed, the bottom of turbine 202 and the end face of lower flange 501 maintain an equal level.
And the oil inlet hole 504 of lower flange assembly can be arranged on cover plate 502 and can also be arranged on lower flange 501, for being communicated with cavity 503 and oil sump 101, as long as the lower flange assembly that therefore can realize above-mentioned functions is all in the protection domain of the embodiment of the present invention.
In order to simplify the difficulty of processing of flange in the embodiment of the present invention, oil inlet hole 504 is arranged on cover plate 502.The filler opening of oil inlet hole 504 is arranged on end face or the side of cover plate 502, please refer to Fig. 4 to Fig. 6, and the filler opening of oil inlet hole 504 is arranged on the side of cover plate 502 in this embodiment.Be arranged on herein, filler opening can more be immersed in oil sump 101, simultaneously convenient processing.
The cross section of oil inlet hole 504 is the arbitrary shapes such as circle, rectangle or ellipse, and the aperture of oil inlet hole 504 is 1mm-10mm.
In order to the oil storage space occupied that facilitates the volume of cavity 503 to be greater than turbine 202, can storage area refrigeration oil in cavity 503 like this.
The Main Function of cavity 503 holds turbine 202, as long as the structure that can hold turbine 202 is all in the protection domain of the embodiment of the present invention.In order to easy to process, cavity 503 is cylindrical structural.
Turbine 202 can be interference fit with the installation of bent axle 200, bolt is connected, screw connects.Interference fit is adopted in the embodiment of the present invention.The endoporus of turbine 202 is hollow-core construction, and bottom becomes circle hub-like, and endoporus and bent axle 200 carry out interference fit, are attached to lower flange 501 end face bottom monolateral magnitude of interference 0.05mm-0.1mm., and with blade on outside turbine 202, quantity is at least more than 3.
It should be noted that, the center hole 201 on bent axle 200 can be through hole can be also blind hole, when for blind hole, shortens the fuel feeding height of oil, reduces unnecessary energy consumption.
In addition, the rotor portion of motor 400 is also provided with fan 401, and when motor 400 is energized, the rotor portion that motor 400 followed by fan 401 rotates, and refrigerant in housing 100 can be separated with refrigeration oil, reduce the content of refrigeration oil in compressor Exhaust Gas.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (11)
1. a rotor compressor, comprise housing (100), bent axle (200), cylinder (300) and motor (400), wherein, described bent axle (200), it is inner that described cylinder (300) and described motor (400) are arranged on described housing (100), described cylinder (300) and described motor (400) are successively set on described bent axle (200), described bent axle (200) middle part is provided with center hole (201), described lower flange assembly is arranged on described cylinder (300), and the oil sump (101) of described bent axle (200) with described housing (100) is isolated, it is characterized in that, also comprise the turbine (202) be arranged on described bent axle (200), described turbine (202) is positioned at the cavity (503) that described lower flange assembly surrounds, described cavity (503) is connected with described center hole (201), described lower flange assembly is provided with the oil sump (101) and the oil inlet hole (504) of described cavity (503) that are communicated with described housing (100).
2. rotor compressor as claimed in claim 1, it is characterized in that, described lower flange assembly comprises the lower flange (501) be arranged on described cylinder (300) and the cover plate (502) be arranged on described lower flange (501), surrounds described cavity (503) between described cover plate (502) and described lower flange (501).
3. rotor compressor as claimed in claim 2, it is characterized in that, described cavity (503) is cylindrical structural.
4. rotor compressor as claimed in claim 3, it is characterized in that, described oil inlet hole (504) is arranged on described cover plate (502).
5. rotor compressor as claimed in claim 4, it is characterized in that, the filler opening of described oil inlet hole (504) is arranged on the side of described cover plate (502).
6. rotor compressor as claimed in claim 5, is characterized in that, the cross section of described oil inlet hole (504) is circle, rectangle or ellipse.
7. rotor compressor as claimed in claim 6, it is characterized in that, the aperture of described oil inlet hole (504) is 1mm-10mm.
8. rotor compressor as claimed in claim 1, is characterized in that, described turbine (202) and described bent axle (200) are interference fit.
9. rotor compressor as claimed in claim 8, it is characterized in that, the quantity of the blade on described turbine (202) is at least three.
10. rotor compressor as claimed in any one of claims 1-9 wherein, it is characterized in that, described center hole (201) is blind hole.
11. rotor compressors as claimed in any one of claims 1-9 wherein, is characterized in that, the rotor portion of described motor (400) is also provided with fan (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054671.5A CN105526173B (en) | 2016-01-26 | 2016-01-26 | A kind of rotor compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054671.5A CN105526173B (en) | 2016-01-26 | 2016-01-26 | A kind of rotor compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105526173A true CN105526173A (en) | 2016-04-27 |
| CN105526173B CN105526173B (en) | 2018-10-19 |
Family
ID=55768603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610054671.5A Active CN105526173B (en) | 2016-01-26 | 2016-01-26 | A kind of rotor compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105526173B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168215A (en) * | 2016-06-17 | 2016-11-30 | 广东美芝制冷设备有限公司 | Compressor |
| CN113833660A (en) * | 2021-10-18 | 2021-12-24 | 珠海凌达压缩机有限公司 | Oil supply assembly, compressor and control method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6385282A (en) * | 1986-09-29 | 1988-04-15 | Toshiba Corp | Lubricating device for rotary compressor |
| JPH0347497A (en) * | 1989-07-14 | 1991-02-28 | Hitachi Ltd | Closed, rotary compressor |
| CN201771775U (en) * | 2010-06-29 | 2011-03-23 | 上海日立电器有限公司 | Negative pressure oil gas supply component of horizontal type scroll compressor |
| CN102459909A (en) * | 2009-06-26 | 2012-05-16 | 三菱电机株式会社 | Refrigerant compressor |
| CN203532262U (en) * | 2012-10-11 | 2014-04-09 | 三菱电机株式会社 | Sealed rotary compressor and refrigeration cycling device |
| CN203756540U (en) * | 2014-03-26 | 2014-08-06 | 安徽美芝精密制造有限公司 | Rotating compressor |
| CN104033359A (en) * | 2014-06-25 | 2014-09-10 | 珠海凌达压缩机有限公司 | Horizontal compressor |
| CN204900245U (en) * | 2015-08-18 | 2015-12-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body subassembly, compressor and heat transfer system |
| CN205401133U (en) * | 2016-01-26 | 2016-07-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor compressor |
-
2016
- 2016-01-26 CN CN201610054671.5A patent/CN105526173B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6385282A (en) * | 1986-09-29 | 1988-04-15 | Toshiba Corp | Lubricating device for rotary compressor |
| JPH0347497A (en) * | 1989-07-14 | 1991-02-28 | Hitachi Ltd | Closed, rotary compressor |
| CN102459909A (en) * | 2009-06-26 | 2012-05-16 | 三菱电机株式会社 | Refrigerant compressor |
| CN201771775U (en) * | 2010-06-29 | 2011-03-23 | 上海日立电器有限公司 | Negative pressure oil gas supply component of horizontal type scroll compressor |
| CN203532262U (en) * | 2012-10-11 | 2014-04-09 | 三菱电机株式会社 | Sealed rotary compressor and refrigeration cycling device |
| CN203756540U (en) * | 2014-03-26 | 2014-08-06 | 安徽美芝精密制造有限公司 | Rotating compressor |
| CN104033359A (en) * | 2014-06-25 | 2014-09-10 | 珠海凌达压缩机有限公司 | Horizontal compressor |
| CN204900245U (en) * | 2015-08-18 | 2015-12-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body subassembly, compressor and heat transfer system |
| CN205401133U (en) * | 2016-01-26 | 2016-07-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor compressor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168215A (en) * | 2016-06-17 | 2016-11-30 | 广东美芝制冷设备有限公司 | Compressor |
| CN106168215B (en) * | 2016-06-17 | 2018-07-17 | 广东美芝制冷设备有限公司 | Compressor |
| CN113833660A (en) * | 2021-10-18 | 2021-12-24 | 珠海凌达压缩机有限公司 | Oil supply assembly, compressor and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105526173B (en) | 2018-10-19 |
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