CN201771767U - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
- Publication number
- CN201771767U CN201771767U CN 201020288225 CN201020288225U CN201771767U CN 201771767 U CN201771767 U CN 201771767U CN 201020288225 CN201020288225 CN 201020288225 CN 201020288225 U CN201020288225 U CN 201020288225U CN 201771767 U CN201771767 U CN 201771767U
- Authority
- CN
- China
- Prior art keywords
- compression chamber
- helical blade
- cylinder
- piston
- communicates
- 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
Links
Images
Landscapes
- Rotary Pumps (AREA)
Abstract
A rotary compressor comprises a motor component and a compression component which are arranged inside a closed casing. The motor component includes a stator and a rotor; and the compression component includes a cylinder, a long bearing, a short bearing, a crankshaft, a piston and a slip sheet, wherein the long bearing and the short bearing are arranged on the upper side and the lower side of the cylinder, the crankshaft is connected with the rotor, the piston positioned inside the cylinder is sleeved on an eccentric shaft of the crankshaft, and the slip sheet is contained inside a slip sheet groove of the cylinder. Besides, the front end of the slip sheet is abutted to an outer circle of the piston; a compression cavity is arranged inside the long bearing; the crankshaft penetrates through the compression cavity; helical blades are arranged inside the compression cavity; the pitches of the helical blades are continuously decreased axially; the helical blades are sleeved on the crankshaft; the outer edges of the helical blades are tangent to the inner wall of the compression cavity; a second piston with a helical groove is further arranged inside the compression cavity; and helical blades are arranged on the second piston sleeved on the crankshaft. The rotary compressor has the advantages of simple and reasonable structure, flexible operation, low manufacturing cost and wide applicable scope.
Description
Technical field
The utility model relates to a kind of rotary compressor.
Background technique
Advantages such as high efficiency, the parts of rotary compressor are few, good stability make it have remarkable advantages at middle low-temperature refrigeration air conditioner in compressor, possess the potentiality to lower cryogenic temperature development.Rotary compressor adopts the form of twin-stage compression possibly when realizing lower cryogenic temperature.The rotary compressor structure more complicated of present twin-stage compression, fabricating cost is also than higher.
The model utility content
The purpose of this utility model aims to provide a kind of simple and reasonable, flexible operation, fabricating cost rotary compressor low, applied widely, to overcome deficiency of the prior art.
A kind of rotary compressor by this purpose design, comprise the electric machine assembly and the compression assembly that are arranged in the closed shell, electric machine assembly comprises stator and rotor, compression assembly comprises cylinder, the long bearing and the minor axis of both sides hold up and down to be separately positioned on cylinder, the bent axle that joins with rotor, be positioned at cylinder and be set in piston on the eccentric shaft of bent axle, be accommodated in the slide plate in the cylinder vane slot, the front end of slide plate is resisted against on the cylindrical of piston, its structure characteristic is to be provided with compression chamber in the long bearing, bent axle passes compression chamber, be provided with helical blade in the compression chamber, the pitch of helical blade reduces continuously along axial direction, helical blade is set on the bent axle, and the outer rim of helical blade and the inwall of compression chamber are tangent.
Also be provided with band spiral fluted second piston in the described compression chamber, helical blade is arranged on second piston, and second piston sleeve is located on the bent axle.Compression chamber is arranged on top, middle part or the bottom of long bearing.
Described compression chamber is first compression chamber, the side that this first compression chamber is positioned at the helical blade top is provided with the opening that communicates with closed shell inside, one end of first connecting tube stretches in first compression chamber and is opened on the below of helical blade, and the other end of first connecting tube stretches out seal casinghousing and communicates with the low voltage side of system.
Described compression chamber is second compression chamber, the side that this second compression chamber is positioned at the helical blade top is provided with the opening that communicates with closed shell inside, one end of second connecting tube stretches in second compression chamber and is opened on the below of helical blade, and the other end of second connecting tube communicates with relief opening on being arranged on cylinder.
Described compression chamber is the 3rd compression chamber, the upside of cylinder is provided with dividing plate, long bearing is crimped on the dividing plate, dividing plate and long bearing surround the 3rd compression chamber jointly, dividing plate is provided with the exhaust port that communicates with relief opening on the cylinder, be provided with gas-entered passageway in the long bearing, one end of this gas-entered passageway communicates with exhaust port, the other end of gas-entered passageway communicates with the 3rd compression chamber and is opened on the below of helical blade, and the side that the 3rd compression chamber is positioned at the helical blade top is provided with the perforate that communicates with closed shell inside.
The utility model is provided with compression chamber in long bearing, in compression chamber, be provided with helical blade, the pitch of helical blade reduces continuously along axial direction, the outer rim of helical blade and the inwall of compression chamber are tangent, driving helical blade by bent axle rotates, utilize that helical blade and inwall are tangent to be separated into several adjacent compression volumes with compression chamber, each compression volume moves to exhaust end from suction end vertically, reducing of pitch by helical blade, the gas volume that causes changes, thereby realizes the compression of gas.
The utility model combines the common feature of rotary compressor and helical impeller compressor, rotary compressor with respect to twin-tub, reduce a cylinder and parts such as slide plate, reduced fabricating cost, and rationally utilized the characteristics of the long bearing in the rotary compressor, and construct another compression chamber, thus can be cylinder pressing chamber compression end of a period gas through rotary compressor, import to compression chamber and compress once more, reach the effect of two stage compression; Also can be in compression separately in cylinder compression chamber and compression chamber respectively, reach that transfiguration regulates effect.The utlity model has simple and reasonable, flexible operation, fabricating cost is low and advantage of wide range of application.
Description of drawings
Fig. 1 is the utility model first example structure schematic representation.
Fig. 2 is the utility model second example structure schematic representation.
Fig. 3 is the utility model the 3rd example structure schematic representation.
Among the figure: 1 is long bearing, and 2 is second piston, and 3 is helical blade, and 5 is dividing plate, 6 is cylinder, and 7 is piston, and 8 for minor axis holds, and 9 is slide plate, 10 is stator, and 11 is rotor, and 12 is bent axle, and 13 is covering plate, 14 is first connecting tube, and 15 is sucking pipe, and 16 are perforate, 21 is first compression chamber, and 22 is second compression chamber, and 23 is the 3rd compression chamber, 24 is second connecting tube, and 25 is gas-entered passageway, and 30 is closed shell.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
First embodiment
Referring to Fig. 1, this rotary compressor, comprise the electric machine assembly and the compression assembly that are arranged in the closed shell 30, electric machine assembly comprises stator 10 and rotor 11, compression assembly comprises cylinder 6, the long bearing 1 and the minor axis that are separately positioned on cylinder both sides about in the of 6 hold 8, the bent axle 12 that joins with rotor 11, be positioned at cylinder 6 and be set in piston 7 on the eccentric shaft of bent axle 12, be accommodated in the slide plate 9 in the cylinder vane slot, the front end of slide plate 9 is resisted against on the cylindrical of piston 7, be provided with compression chamber in the long bearing 1, bent axle 12 passes compression chamber, be provided with helical blade 3 in the compression chamber, the pitch of helical blade 3 reduces continuously along axial direction, helical blade 3 is set on the bent axle 12, and the outer rim of helical blade 3 and the inwall of compression chamber are tangent.Compression chamber can be arranged on top, middle part or the bottom of long bearing 1 as required.
In order to improve the fastening degree of helical blade 3, in compression chamber, also be provided with band spiral fluted second piston 2, helical blade 3 is arranged on second piston 2, and second piston 2 is set on the bent axle 12.Helical blade 3 embeds the spiral chute of second piston 2, and spiral chute is similar to the shape of helical blade.
For the fuel feeding problem in the compression chamber, can use bent axle 12 oil supply galleries own and be solved, because the bent axle oil supply gallery of rotary compressor is a prior art, just no longer repeat specification here.
Compression chamber in the present embodiment is first compression chamber 21, the side that this first compression chamber 21 is positioned at helical blade 3 tops is provided with the opening that communicates with closed shell 30 inside, one end of first connecting tube 14 stretches in first compression chamber 21 and is opened on the below of helical blade 3, and the other end of first connecting tube 14 stretches out seal casinghousing 30 and communicates with the low voltage side of system.Arrow among the figure is the gas flow direction.First compression chamber 21 in the present embodiment is arranged on the top of long bearing 1, and this structure can reduce the requirements such as rigidity to long bearing.
Second embodiment
Referring to Fig. 2, compression chamber in the present embodiment is second compression chamber 22, the side that this second compression chamber 22 is positioned at helical blade 3 tops is provided with the opening that communicates with closed shell 30 inside, one end of second connecting tube 24 stretches in second compression chamber 22 and is opened on the below of helical blade 3, and the other end of second connecting tube 24 communicates with relief opening on being arranged on cylinder 6.By the setting of covering plate 13, can improve the join strength and the sealability of second connecting tube 24 and long bearing 1.
All the other are not stated part and see first embodiment, no longer repeat.
The 3rd embodiment
Referring to Fig. 3, the compression chamber in the present embodiment is the 3rd compression chamber 23, and the upside of cylinder 6 is provided with dividing plate 5.At this moment, by dividing plate 5, minor axis hold 8 and cylinder 6 surround the cylinder compression chamber jointly.
Long bearing 1 is crimped on the dividing plate 5, dividing plate 5 surrounds the 3rd compression chamber 23 jointly with long bearing 1, dividing plate 5 is provided with the exhaust port that communicates with relief opening on the cylinder 6, be provided with gas-entered passageway 25 in the long bearing 1, one end of this gas-entered passageway 25 communicates with exhaust port, the other end of gas-entered passageway 25 communicates with the 3rd compression chamber 23 and is opened on the below of helical blade 3, and the side that the 3rd compression chamber 23 is positioned at helical blade 3 tops is provided with the perforate 16 that communicates with closed shell 30 inside.Perforate 16 can be set to a plurality of as required.
The 3rd compression chamber 23 in the present embodiment is arranged on the middle and lower part of long bearing 1.
All the other are not stated part and see first embodiment, no longer repeat.
Claims (6)
1. rotary compressor, comprise the electric machine assembly and the compression assembly that are arranged in the closed shell (30), electric machine assembly comprises stator (10) and rotor (11), compression assembly comprises cylinder (6), the long bearing of both sides (1) and minor axis hold (8) up and down to be separately positioned on cylinder (6), the bent axle (12) that joins with rotor (11), be positioned at cylinder (6) and be set in piston (7) on the eccentric shaft of bent axle (12), be accommodated in the slide plate (9) in the cylinder vane slot, the front end of slide plate (9) is resisted against on the cylindrical of piston (7), it is characterized in that being provided with compression chamber in the long bearing (1), bent axle (12) passes compression chamber, be provided with helical blade (3) in the compression chamber, the pitch of helical blade (3) reduces continuously along axial direction, helical blade (3) is set on the bent axle (12), and the outer rim of helical blade (3) and the inwall of compression chamber are tangent.
2. rotary compressor according to claim 1 is characterized in that also being provided with in the described compression chamber band spiral fluted second piston (2), and helical blade (3) is arranged on second piston (2), and second piston (2) is set on the bent axle (12).
3. rotary compressor according to claim 2 is characterized in that described compression chamber is arranged on the top of long bearing (1), middle part or bottom.
4. according to the arbitrary described rotary compressor of claim 1 to 3, it is characterized in that described compression chamber is first compression chamber (21), the side that this first compression chamber (21) is positioned at helical blade (3) top is provided with the opening that communicates with closed shell (30) inside, one end of first connecting tube (14) stretches in first compression chamber (21) and is opened on the below of helical blade (3), and the other end of first connecting tube (14) stretches out seal casinghousing (30) and communicates with the low voltage side of system.
5. according to the arbitrary described rotary compressor of claim 1 to 3, it is characterized in that described compression chamber is second compression chamber (22), the side that this second compression chamber (22) is positioned at helical blade (3) top is provided with the opening that communicates with closed shell (30) inside, one end of second connecting tube (24) stretches in second compression chamber (22) and is opened on the below of helical blade (3), and the other end of second connecting tube (24) communicates with relief opening on being arranged on cylinder (6).
6. according to the arbitrary described rotary compressor of claim 1 to 3, it is characterized in that described compression chamber is the 3rd compression chamber (23), the upside of cylinder (6) is provided with dividing plate (5), long bearing (1) is crimped on the dividing plate (5), dividing plate (5) surrounds the 3rd compression chamber (23) jointly with long bearing (1), dividing plate (5) is provided with the exhaust port that communicates with relief opening on the cylinder (6), be provided with gas-entered passageway (25) in the long bearing (1), one end of this gas-entered passageway (25) communicates with exhaust port, the other end of gas-entered passageway (25) communicates with the 3rd compression chamber (23) and is opened on the below of helical blade (3), and the side that the 3rd compression chamber (23) is positioned at helical blade (3) top is provided with the perforate (16) that communicates with closed shell (30) inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020288225 CN201771767U (en) | 2010-08-04 | 2010-08-04 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020288225 CN201771767U (en) | 2010-08-04 | 2010-08-04 | Rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201771767U true CN201771767U (en) | 2011-03-23 |
Family
ID=43751613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020288225 Expired - Fee Related CN201771767U (en) | 2010-08-04 | 2010-08-04 | Rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201771767U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101124A (en) * | 2013-04-09 | 2014-10-15 | 珠海格力电器股份有限公司 | Air conditioner |
| CN107939676A (en) * | 2016-10-12 | 2018-04-20 | 上海海立电器有限公司 | A kind of closed type rolling rotor compressor |
-
2010
- 2010-08-04 CN CN 201020288225 patent/CN201771767U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101124A (en) * | 2013-04-09 | 2014-10-15 | 珠海格力电器股份有限公司 | Air conditioner |
| CN104101124B (en) * | 2013-04-09 | 2015-11-25 | 珠海格力电器股份有限公司 | Air conditioner |
| CN107939676A (en) * | 2016-10-12 | 2018-04-20 | 上海海立电器有限公司 | A kind of closed type rolling rotor compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203962391U (en) | Two-stage enthalpy increasing rotor compressor and there is its air conditioner, heat pump water heater | |
| CN205349734U (en) | Refrigerator is with vertical two -stage rotary compressor | |
| CN203214329U (en) | Double-stage compressor | |
| CN203335407U (en) | Single-cylinder two-stage compression pump body and compressor | |
| CN201771767U (en) | Rotary compressor | |
| CN202659512U (en) | Low-pressure rotary compressor in shell | |
| CN207393471U (en) | A kind of screw compressor with lubrication system | |
| CN201078331Y (en) | Low-power consumption rolling piston type refrigeration compressor | |
| CN102410221A (en) | Double-cylinder rotary compressor | |
| CN1904370B (en) | Multisection rotating type compressor | |
| CN201884915U (en) | Engine oil pump with double oil outlets | |
| CN203856740U (en) | Turbocharging blower | |
| CN207568838U (en) | A kind of double compression pump housing combined miniature compressors | |
| CN202545248U (en) | Double-cylinder rotary compressor | |
| CN102926816A (en) | Vacuum cycloid vane motor | |
| CN208651156U (en) | Cylinder, compression mechanism and compressor | |
| CN103939363A (en) | Turbocharging blower | |
| CN201953658U (en) | Gaseous refrigerant spraying type rotor compressor | |
| CN207363877U (en) | Compressor | |
| CN201818500U (en) | Double-rotor compressor | |
| CN206221253U (en) | Rotary compressor | |
| CN2625604Y (en) | Two-cylinder two-stage compressing hinge swinging piston compressor | |
| CN2921376Y (en) | Electric fuel pump | |
| CN109236646A (en) | A kind of single shaft two-stage screw compressor | |
| CN1757928A (en) | Orbiting vane compressor with side-inlet structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Anhui Meizhi Precision Manufacturing Co., Ltd. Assignor: Guangdong Meizhi Compressor Ltd. Contract record no.: 2012440000061 Denomination of utility model: Rotating shaft fixer of rotary compressor Granted publication date: 20110323 License type: Exclusive License Record date: 20120227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20160804 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |