CN1510284A - Inspiration structure of rotary compressor - Google Patents

Inspiration structure of rotary compressor Download PDF

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Publication number
CN1510284A
CN1510284A CNA021586071A CN02158607A CN1510284A CN 1510284 A CN1510284 A CN 1510284A CN A021586071 A CNA021586071 A CN A021586071A CN 02158607 A CN02158607 A CN 02158607A CN 1510284 A CN1510284 A CN 1510284A
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CN
China
Prior art keywords
cutting ferrule
rotary compressor
clip
intakeport
sucking pipe
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.)
Granted
Application number
CNA021586071A
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Chinese (zh)
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CN1329664C (en
Inventor
李康旭
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LG Electronics Tianjin Appliances Co Ltd
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LG Electronics Tianjin Appliances Co Ltd
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Filing date
Publication date
Application filed by LG Electronics Tianjin Appliances Co Ltd filed Critical LG Electronics Tianjin Appliances Co Ltd
Priority to CNB021586071A priority Critical patent/CN1329664C/en
Publication of CN1510284A publication Critical patent/CN1510284A/en
Application granted granted Critical
Publication of CN1329664C publication Critical patent/CN1329664C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A sucking structure of rotary compressor is composed of the cylinder with sucking channel in the compression unit, the clamp sleeve on the sucking inlet on the sealed container, the internal clamp sleeve inserted in said clamp sleeve and communicated with said sucking channel, a fastening hoop inserted in said internal clamp sleeve for improving its connection performance, and a sucking tube inserted in said fastening hoop for guiding cold medium. It can prevent flame from coming in fastening hoop and sucking tube.

Description

The air suction structure of rotary compressor
Technical field
The invention relates to rotary compressor, particularly a kind of air suction structure of rotary compressor.Promptly improve the air suction structure of rotary compressor, prevent because the distortion that welding causes and the generation of impurity.
Background technique
In general, rotary compressor does not rely on centrifugal force, but by the rotation of running shaft in the cylinder refrigerant is compressed, and the ring that rolls that promptly is installed in the off-centre of bent axle bottom is done rotation and revolution motion along the inner peripheral surface of cylinder, and refrigerant is sucked and compression.
As shown in Figure 1, rotary compressor forms confined space in inside, comprising: the seal container 10 that is provided with intakeport 1 and relief opening 2; Be located at the motor part 20 of the inside of seal container 10; Be located at the inside of seal container 10, and link to each other with motor part 20 and drive, will suck refrigerant compressor for compressing portion 30; On the intakeport 1 that seal container 10 links to each other, the liquid storage that communicates with compressor section 30 irritates 40.
Seal container 10 comprises: body 11, last side cover 12 and following side cover 13.Wherein, the upside of body 11 and downside are provided with open opening portion, and the bottom of side also is provided with intakeport 1; Last side cover 12 parts are inserted and are arranged in the upside opening portion of seal container 10, and position is provided with relief opening 2 in the middle of it; Following side cover 13 parts are inserted and are arranged in the open lower side portion of seal container 10.
Motor part 20 comprises: stator 21 and rotor 22.Wherein, stator 21 is arranged on the inside of seal container 10; Rotor 22 is arranged on the inside of stator 21, and is permanent magnet.
Compressor section 30 is by constituting with lower member: be pressed in the inner face of rotor 22, the bottom is formed with the running shaft 31 of eccentric part 31a; Be located at the inside of seal container 10, be connected by bolt 34 with lower bearing 33 with the upper bearing 32 of supporting rotating shaft, wherein be provided with eccentric part 31a between upper bearing 32 and the lower bearing 33, and be formed with the cylinder 35 of the suction passage 35a of perforation with radiation shape; Its inner face is contacted with the eccentric part 31a that is located at running shaft 31 1 sides, and the outside is contacted with the inner face of cylinder 35, does rolling of revolution and spinning motion by the rotation of eccentric part 31a and encircles 36; Blade 37 is arranged on the cylinder 35, and rolls ring 36 outside sliding contact, is zone of high pressure and low pressure area with the internal separation of cylinder 35, does straight reciprocating motion along the central direction of cylinder 35.
Certain position of upper bearing 32 is provided with the exhaust port 32a that compression refrigerant is discharged, and after the pressure that also is provided with compression refrigerant on the exhaust port 32a acquired a certain degree, with the outlet valve that refrigerant is discharged, the top of upper bearing 32 also was provided with the baffler 38 that reduces exhaust noise.
Liquid container 40 comprises: the inner seal space that forms is provided with inflow entrance 41a and outflow opening 41b, and is fixedly installed on the frame 41 of the side of seal container 10; The intake channel 42 that links to each other with the inflow entrance 41a of frame 41; Filter screen 43 is arranged on the inside of body, and filters foreign substances; Link to each other with the intakeport 1 of seal container 10, pass the outflow opening 41b of body 11 after the vertical curve, the sucking pipe 44 of outstanding certain-length in the inner sealing space.
As shown in Figure 2, the structure of intakeport comprises: be inserted in the cutting ferrule 45 on the intakeport 1 of seal container 10; Be inserted in the inside of cutting ferrule 45, the interior cutting ferrule 46 that links to each other with suction passage 35a; The inside of cutting ferrule in being inserted in clings to clip 47 on the suction passage 35a with interior cutting ferrule 46.In sucking pipe 44 inserts behind the cutting ferrule 46, cutting ferrule 45, interior cutting ferrule 46 and sucking pipe 44 welds simultaneously fixing, and formation weld part 48.
Above-mentioned rotary compressor is connected power supply, by interaction running shaft 31 rotations of stator 21 and rotor 22; Be located at the eccentric part 31a rotation of running shaft 31 1 sides, drive the ring 36 that rolls that contacts with blade 37 in the inside of cylinder 35 and rotate; The rotation of rolling ring 36 is compressed into the refrigerant of high temperature, high pressure with the low temperature of liquid storage filling 40 suctions, the refrigerant of low pressure, wherein, the refrigerant of irritating low temperature that 40 its impurities and liquid coolant be filtered, low pressure by liquid storage after the inside of cylinder 35 sucks, is compressed into the refrigerant of high temperature, high pressure through sucking pipe 44 and intakeport 1 and suction passage 35a.
Liquid container 40 functions as follows.Enter the inside of liquid container 40 by intake channel 42 through the refrigerant of vaporizer, this refrigerant is by behind the filter screen 43, impurity is removed, the impurity of removing is deposited in the bottom of liquid container 40, liquid coolant also will be deposited in the bottom of liquid container, the refrigerant that so only is filtered sucks by the inside of sucking pipe 44 to cylinder 35.
After the refrigerant of the compressed high temperature in the inside of cylinder 35, high pressure is pushed outlet valve open, discharge by exhaust port 32a; The refrigerant of discharging is discharged by the relief opening 2 that is formed on the side cover 12 again through the inside of baffler 38 by seal container 10.
But, the rotary compressor of existing structure, when welding was inserted in sucking pipe 44 on the cutting ferrule 46, welding flame can permeate inside by the slit of cutting ferrule 46 and sucking pipe 44, thereby formed black stain in inside or produce thermal distortion.
Summary of the invention
The present invention is in order to overcome the problem that above technology exists, a kind of air suction structure of rotary compressor to be provided, and purpose is, improves the air suction structure of rotary compressor, prevents the generation and the thermal distortion of foreign body.
To achieve these goals, the technical solution used in the present invention is: comprising: comprising: cylinder is arranged on the inside of the seal container that has intakeport and relief opening, be formed with the suction passage of perforation with radiation shape in the inside of press part, cutting ferrule is inserted on the intakeport, and interior cutting ferrule is inserted in the inside of cutting ferrule, and links to each other with suction passage, the inside of cutting ferrule in one side end is inserted in, thereby the clip of the associativity of cutting ferrule in improving, sucking pipe is plugged on the other end of clip, the drainage refrigerant.
Effect of the present invention is as follows: stream has the sucking pipe of refrigerant to be inserted on the outer circumferential face of clip, contact with interior cutting ferrule, and cutting ferrule, interior cutting ferrule and sucking pipe is welded on the outer circumferential face of clip simultaneously.Thereby prevent that welding flame is penetrated into the inside of sucking pipe and clip, and then prevent the generation and the thermal distortion of impurity.
Description of drawings
Fig. 1 is the internal structure profile diagram of general rotary compressor.
Fig. 2 is the air suction structure part sectional view of rotary compressor.
Fig. 3 is the internal structure profile diagram of the rotary compressor of the embodiment of the invention.
Fig. 4 is the air suction structure part sectional view of rotary compressor.
Among the figure:
1: intakeport 2: relief opening
10: seal container 11: body
12: go up side cover 13: following side cover
20: motor part 21: stator
22: rotor 30: compressor section
31: running shaft 31a: eccentric part
32: upper bearing 32a: exhaust port
33: lower bearing 34: bolt
35: cylinder 35a: suction passage
36: roll ring 37: blade
38: baffler 40: liquid container
41: frame 41a: inflow entrance
41b: outflow opening 42: intake channel
43: filter screen 44: sucking pipe
45: cutting ferrule 46: interior cutting ferrule
47: clip 48: weld part
145a: school extension 147a: first contacting part
147b: second contacting part
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail: as shown in Figure 3, rotary compressor forms confined space in inside, comprising: the seal container 10 that is provided with intakeport 1 and relief opening 2; Motor part 20 is located at the inside of seal container 10; Compressor section 30 is located at the inside of seal container 10, and links to each other with motor part 20 and drive, with the refrigerant compression that sucks; Be connected in mutually on the intakeport 1 of seal container 10, liquid storage is irritated 40 and is communicated with compressor section 30.
Seal container 10 comprises: body 11, last side cover 12 and following side cover 13.Wherein, the upside of body 11 and downside are provided with open opening portion, and the bottom of side also is provided with intakeport 1; Last side cover 12 parts are inserted and are arranged in the upside opening portion of seal container 10, and position is provided with relief opening 2 in the middle of it; Following side cover 13 parts are inserted and are arranged in the open lower side portion of seal container 10.
Motor part 20 comprises: stator 21 and rotor 22.Wherein, stator 21 is arranged on the inside of seal container 10; Rotor 22 is arranged on the inside of stator 21, and is permanent magnet.
Compressor section 30 is by constituting with lower member: be pressed in the inner face of rotor 22, the bottom is formed with the running shaft 31 of eccentric part 31a; Be located at the inside of seal container 10, be connected by bolt 34 with lower bearing 33 with the upper bearing 32 of supporting rotating shaft, wherein be provided with eccentric part 31a between upper bearing 32 and the lower bearing 33, and be formed with the cylinder 35 of the suction passage 35a of perforation with radiation shape; Its inner face is contacted with the eccentric part 31a that is located at running shaft 31 1 sides, and the outside is contacted with the inner face of cylinder 35, does rolling of revolution and spinning motion by the rotation of eccentric part 31a and encircles 36; Being arranged on the cylinder 35, and rolling ring 36 outside sliding contact, is zone of high pressure and low pressure area with the internal separation of cylinder 35, makes the blade 37 of straight reciprocating motion along the central direction of cylinder 35.
Also have, certain position of upper bearing 32 is provided with the exhaust port 32a that the refrigerant of compression is discharged; After the pressure that also is provided with compression refrigerant on the exhaust port 32a acquires a certain degree, the outlet valve that refrigerant is discharged; The top of upper bearing 32 also is provided with the baffler 38 that reduces exhaust noise.
Liquid container 40 comprises: the inner seal space that forms is provided with inflow entrance 41a and outflow opening 41b, and is fixedly installed on the frame 41 of the side of seal container 10; The intake channel 42 that links to each other with the inflow entrance 41a of frame 41; Be arranged on the inside of body, and filter the filter screen 43 of foreign substances; Link to each other with the intakeport 1 of seal container 10, pass the outflow opening 41b of liquid container body after the vertical curve, the sucking pipe 44 of outstanding certain-length in the inner sealing space.
At this moment, as shown in Figure 4, the combining structure of intakeport comprises: cutting ferrule 45, interior cutting ferrule 46 and clip 47.Wherein, an end of cutting ferrule 45 is inserted on the intakeport 1 of seal container 10, and the other end is formed with internal diameter and becomes big school extension 145a gradually; Interior cutting ferrule 46 is inserted in the inside of cutting ferrule 45, and links to each other with suction passage 35a; The inside of cutting ferrule 46 in one end of clip 47 is inserted in, the associativity of cutting ferrule 46 in improving.Clip 47 also comprises: the first contacting part 147a and the second contacting part 147b.Wherein, the first contacting part 147a is formed on that side end that inserts to the inside of cutting ferrule 45, and interior cutting ferrule 46 is clung on the suction passage 35a; The second contacting part 147b is formed on and terminal certain distance apart, and on the position of internal diameter expansion, interior cutting ferrule 46 is clung on the cutting ferrule 45.
Also have, sucking pipe 44 is inserted on the clip 47, contacts with interior cutting ferrule 46; With sucking pipe 44 and interior cutting ferrule 46 and cutting ferrule 45 welding, be formed with weld part 48 in the outside of clip 47.

Claims (4)

1. the air suction structure of a rotary compressor, comprise: cylinder (35) is arranged on the inside of the seal container (10) that has intakeport (1) and relief opening (2), be formed with the suction passage (35a) of perforation with radiation shape in the inside of compressor section (30), cutting ferrule (45) is inserted on the intakeport (1), it is characterized in that, interior cutting ferrule (46) is inserted in the inside of cutting ferrule (45), and link to each other with suction passage (35a), clip (47) is in the terminal inside of inserting of a side of interior cutting ferrule (46), the associativity of cutting ferrule (46) in improving, the other end of clip (47) and sucking pipe (44) are pegged graft, the drainage refrigerant.
2. the air suction structure of rotary compressor according to claim 1, it is characterized in that: clip (47) inserts the inside of sucking pipe (44), sucking pipe (44) and interior cutting ferrule (46) contact, and sucking pipe (44) and cutting ferrule (45) and interior cutting ferrule (46) are welded to connect, and form weld part (48).
3. the air suction structure of rotary compressor according to claim 1 and 2, it is characterized in that: be inserted at cutting ferrule (45) on the other end end of intakeport (1), internal diameter along its length is provided with the school extension (145a) that becomes big gradually.
4. the air suction structure of rotary compressor according to claim 1 and 2, it is characterized in that: clip (47) comprising: first contacting part (147a) and second contacting part (147b), wherein, first contacting part (147a) is formed on cutting ferrule (45) on a side end of inside insertion, interior cutting ferrule (46) is close on the suction passage (35a), second contacting part (147b) is formed on end certain distance, and on the position that internal diameter enlarges, interior cutting ferrule (46) is close on the cutting ferrule (45).
CNB021586071A 2002-12-25 2002-12-25 Inspiration structure of rotary compressor Expired - Fee Related CN1329664C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB021586071A CN1329664C (en) 2002-12-25 2002-12-25 Inspiration structure of rotary compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB021586071A CN1329664C (en) 2002-12-25 2002-12-25 Inspiration structure of rotary compressor

Publications (2)

Publication Number Publication Date
CN1510284A true CN1510284A (en) 2004-07-07
CN1329664C CN1329664C (en) 2007-08-01

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CNB021586071A Expired - Fee Related CN1329664C (en) 2002-12-25 2002-12-25 Inspiration structure of rotary compressor

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1782437B (en) * 2004-11-30 2011-05-11 乐金电子(天津)电器有限公司 Sucking pipe connection structure of rotary compressor
CN103511277A (en) * 2013-07-22 2014-01-15 广东美芝制冷设备有限公司 Rotary compressor
CN107178503A (en) * 2017-07-28 2017-09-19 广东美芝制冷设备有限公司 Rotary compressor and refrigerating plant
CN107717206A (en) * 2016-08-09 2018-02-23 马勒国际有限公司 Method for attachment element to be connected to hollow shaft

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59213983A (en) * 1983-05-20 1984-12-03 Nippon Piston Ring Co Ltd Device for fluidly supporting rotary sleeve in rotary compressor
DE3611326A1 (en) * 1986-04-04 1987-10-15 Siemens Ag ROLLING PISTON COMPRESSORS
RO100617B1 (en) * 1989-10-06 1993-02-28 îNTREPRINDEREA DE FRIGIDERE Compressor for household refrigerators
JPH09112474A (en) * 1995-10-17 1997-05-02 Daikin Ind Ltd Refrigerant compressor

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1782437B (en) * 2004-11-30 2011-05-11 乐金电子(天津)电器有限公司 Sucking pipe connection structure of rotary compressor
CN103511277A (en) * 2013-07-22 2014-01-15 广东美芝制冷设备有限公司 Rotary compressor
CN103511277B (en) * 2013-07-22 2016-04-06 广东美芝制冷设备有限公司 Rotary compressor
CN107717206A (en) * 2016-08-09 2018-02-23 马勒国际有限公司 Method for attachment element to be connected to hollow shaft
CN107717206B (en) * 2016-08-09 2021-09-17 马勒国际有限公司 Method for connecting an attachment element to a hollow shaft
CN107178503A (en) * 2017-07-28 2017-09-19 广东美芝制冷设备有限公司 Rotary compressor and refrigerating plant
CN107178503B (en) * 2017-07-28 2021-06-08 广东美芝制冷设备有限公司 Rotary compressor and refrigerating device

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Granted publication date: 20070801

Termination date: 20100125