CN100532848C - Eccentric part structure of vortex compressor rotary shaft - Google Patents
Eccentric part structure of vortex compressor rotary shaft Download PDFInfo
- Publication number
- CN100532848C CN100532848C CNB2004100198108A CN200410019810A CN100532848C CN 100532848 C CN100532848 C CN 100532848C CN B2004100198108 A CNB2004100198108 A CN B2004100198108A CN 200410019810 A CN200410019810 A CN 200410019810A CN 100532848 C CN100532848 C CN 100532848C
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- eccentric
- eccentric part
- running shaft
- sleeve
- combined
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Abstract
The present invention relates to eccentric part structure of vortex compressor rotating shaft. The rotating shaft is combined to the rotor of the motor, one eccentric part is formed in the upper part of the rotating shaft, and one eccentric sleeve is combined onto the eccentric part. The connecting part of the rotating shaft and the eccentric part is notched inwards to form the notch to avoid the interference on the lower end of the eccentric sleeve combined to the eccentric part. The present invention can prevent the eccentric sleeve from being clamped in the eccentric part of the rotating shaft to ensure the normal action of the eccentric sleeve.
Description
Technical field
The present invention relates to a kind of eccentric part structure of scroll compressor running shaft
Background technique
Scroll compressor is the compressing mechanism that is mainly used in air conditioner and refrigerating machine, comprises spinning reel and fixing spool.Spinning reel is arranged on the inboard of seal container, gives prominence to be formed with spiral crimping, rotates by motor; Described fixedly spool corresponding rotation spool is outstanding to be formed with spiral crimping, and fixes by upperside frame.In spinning reel when rotation,, the compression volume that forms between the crimping of the crimping of spinning reel and fixing spool reduces gradually and compresses the cold media air of inflow compression volume.
The upper end that is combined in the running shaft of rotor is formed with apart from the eccentric part of the eccentric certain distance of rotating center, is combined with eccentric adjusting sleeve on this eccentric part.Be formed on the eccentric part of running shaft upper end as shown in Figure 1 and Figure 2 in conjunction with the state of eccentric adjusting sleeve.Be described below.
As shown in Figure 1 and Figure 2, in the existing scroll compressor, the inside of seal container is provided with the running shaft (1) that rotates by the rotation of motor along Vertical direction, and the axle center of the upper end relative rotation axi (1) of running shaft (1) forms the eccentric part (2) of eccentric certain distance.Be combined with eccentric adjusting sleeve (3) on this eccentric part (2).
Above-mentioned running shaft (1) is for having the round bar shape of certain-length, and inside alongst forms stream (4).This eccentric part (2) forms in upper end and its one eccentric processing of running shaft (1), and the one side is formed with the eccentric part side cutting portion (not shown) of plane processing.Above-mentioned sleeve (3) inserts with annular and is combined on the eccentric part (2), and corresponding eccentric part side cutting portion (not shown) is formed with sleeve side cutting portion (not shown) on the inner peripheral surface.Rotation by motor, running shaft (1) rotation, meanwhile the off-centre eccentric part (2) that is formed on running shaft (1) upper end also rotates, thus, be combined in eccentric adjusting sleeve (3) rotation of eccentric part (2), and rotate by spinning reel and compress the cold media air that flows into compression volume.When compressing, by sleeve (3), the crimping of spinning reel closely contacts mutually with the crimping of fixing spool and compresses.
But, aforesaid scroll compressor because the upper end of running shaft (1) and and the eccentric part (2) that forms of the upper end one eccentric processing of running shaft (1) between connection part, can not process in large quantities man-hour and make it vertical adding.As shown in Figure 2, need to form fillet part (5).In addition, the corner part that is combined in eccentric adjusting sleeve (3) underpart of eccentric part (2) need be processed into perpendicular shape.After such eccentric adjusting sleeve (3) was combined in eccentric part (2), the contact of the inner peripheral surface end portion of eccentric adjusting sleeve (3) was formed on the fillet part (5) of eccentric part (2) lower end.Sometimes, because the deadweight of eccentric adjusting sleeve (3), the end portion of eccentric adjusting sleeve (3) is sandwiched in fillet part (5), so can not give full play to the function of eccentric adjusting sleeve (3).
Summary of the invention
In order to overcome the above-mentioned shortcoming of the eccentric part structure existence that has the scroll compressor running shaft now, the invention provides a kind of eccentric part structure of scroll compressor running shaft, it can prevent that eccentric adjusting sleeve is clipped in rotating shaft eccentric subordinate end, thereby can normally bring into play the function of eccentric adjusting sleeve.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of eccentric part structure of scroll compressor running shaft, on the rotor of motor in conjunction with running shaft, the eccentric eccentric part that forms in the upper end of running shaft, on the eccentric part in conjunction with eccentric adjusting sleeve, the connection part of this running shaft and eccentric part is recessed to form concave groove to the inside, the lower end that prevents to be combined in the eccentric adjusting sleeve of eccentric part is interfered, and concave groove forms along circumferencial direction on the connection part of running shaft and eccentric part, and concave groove is processed into rounded shapes.
The eccentric part structure of aforesaid scroll compressor running shaft, wherein concave groove forms along circumferencial direction on the connection part of running shaft and eccentric part.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 on the eccentric part of existing scroll compressor running shaft in conjunction with the sectional drawing of eccentric adjusting sleeve.
Fig. 2 is the enlarged diagram of A part shown in Figure 1.
Fig. 3 is the sectional drawing of scroll compressor with eccentric part structure of running shaft of the present invention.
Fig. 4 on the eccentric part of running shaft of the present invention in conjunction with the sectional drawing of eccentric adjusting sleeve.
Fig. 5 is the floor map of structure shown in Figure 4.
Fig. 6 is the enlarged diagram of eccentric part of the present invention.
The number in the figure explanation:
105: rotor 106: motor
107: running shaft 107a: eccentric part
112: eccentric adjusting sleeve (bush) 113: concave groove
Embodiment
, have in the scroll compressor of eccentric structure of the present invention to shown in Figure 6 as Fig. 3, the inside upper part of seal container (101) is fixed with upper frame (102), and its underpart and upper frame (102) certain altitude difference at interval are fixed with lower frame (103).Be provided with the motor (106) that constitutes by stator (104) and rotor (105) between upper frame (102) and the lower frame (103).Center at rotor (105) is provided with running shaft (107) along the axis hole (105a) that Vertical direction forms, and this running shaft (107) inside is formed with stream (107b).The upper end of running shaft (107) rotatably is inserted in the supported hole (102a) of upper frame (102), and its lower end rotatably is inserted on the supported hole (103a) of lower frame (103).
Above-mentioned upper frame (102) upside is provided with the compression mechanical part (110) that is made of fixing spool (108) and spinning reel (109).Fixedly spool (108) is fixed on the upper frame (102), and the outstanding spiral crimping (108a) that is formed with.Above-mentioned spinning reel (109) rotatably is combined in fixedly between the spool (108) and upper frame (102), and the outstanding spiral crimping (109a) that is formed with.In addition, the joining hole (111a) that is formed on the shaft sleeve part (111) of spinning reel (109) end portion go up to insert and to be combined with eccentric part (107a).This eccentric part (107a) off-centre is formed on the upper end of running shaft (107), and is combined with the eccentric adjusting sleeve (112) of annular on the eccentric part (107a).One side of running shaft (107) eccentric part (107a) is formed with the eccentric part side cutting portion (107a ') of plane processing.The corresponding eccentric part side cutting portion of inner peripheral surface one side of this sleeve (112) (107a ') is formed with sleeve side cutting portion (112a).In addition, eccentric part (107a) end portion be running shaft (107) with the connection part of eccentric part (107a) on be recessed to form concave groove (113) to the inside along peripheral direction.The radius of this concave groove (113) is processed into the above rounded shapes of 1mm at least.Unaccounted figure number 108a is the refrigerant ostium among the figure, and 108b is a tap hole, the 114th, and suction pipe.
The working procedure of the eccentric part structure of scroll compressor running shaft of the present invention is as described below.
After connecting power supply, the rotor (105) of motor (106) begins rotation, and by the rotation of rotor (105), running shaft (107) also rotates, and is combined in spinning reel (109) rotation of running shaft (107) upper end thus.During spinning reel (109) rotation, with from the center of running shaft (107) to the eccentric distance eccentric part (107a) center as turning radius, and the crimping (109a) of spinning reel (109) is meshed and rotates with the fixing crimping (108b) of spool (108).
After spinning reel (109) rotation, cold media air flows into seal container (101) inboard by suction pipe (114).The cold media air that is flowed into is again by being formed on the compression volume of formation between the crimping (109a) that refrigerant ostium (108a) on the fixing spool (108) flows into the crimping (108b) of fixing spool (108) and spinning reel (109).And in the time of the lasting rotation by spinning reel (109), the volume-diminished of compression volume and compression refrigerant gas, the compressed cold media air that moves to middle body is discharged to the outside by the fixing tap hole (108b) of spool (108).As mentioned above, when compressing, when the eccentric part (107a) that is formed on running shaft (107) upper end was gone up and rotated with eccentric part (107a) in conjunction with eccentric adjusting sleeve (112) back, the crimping (109a) of spinning reel (109) was meshed and rotates with the fixing crimping (108b) of spool (108).In addition, be formed with concave groove (113) along circumferencial direction on the connection part between running shaft (107) and the eccentric part (107a), thereby the end portion that prevents to be combined in the eccentric adjusting sleeve (112) of eccentric part (107a) is subjected to the interference of connection part.
The effect of invention
In the eccentric part structure of vortex compressor rotary shaft of the present invention, rotating shaft is connected with eccentric part Be recessed to form recessed channel along circumferencial direction on the position, thereby can have prevented from being combined in the off-centre of eccentric part The end portion of sleeve is subjected to the interference of connecting portion.
Claims (1)
1, a kind of eccentric part structure of scroll compressor running shaft, the inside upper part of compressor seal container is fixed with upper frame, its underpart and upper frame certain altitude difference at interval are fixed with lower frame, spinning reel rotatably is combined in fixedly between the spool and upper frame, and give prominence to and be formed with spiral crimping, on the rotor of motor in conjunction with running shaft, the upper end off-centre of its running shaft is formed with the eccentric part of annular, eccentric part inserts combination on the joining hole of the shaft sleeve part of spinning reel end portion, on the eccentric part in conjunction with eccentric adjusting sleeve, one side of rotating shaft eccentric portion is formed with the eccentric part side cutting portion of plane processing, the corresponding eccentric part side of inner peripheral surface one side of sleeve cutting portion is formed with sleeve side cutting portion, it is characterized in that: described running shaft (107) has been recessed to form concave groove (113) to the inside with the connection part of eccentric part (107a), the lower end that prevents to be combined in the eccentric adjusting sleeve (112) of eccentric part (107a) is interfered, concave groove (113) forms along circumferencial direction on the connection part of running shaft (107) and eccentric part (107a), and concave groove (113) is processed into rounded shapes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100198108A CN100532848C (en) | 2004-06-28 | 2004-06-28 | Eccentric part structure of vortex compressor rotary shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100198108A CN100532848C (en) | 2004-06-28 | 2004-06-28 | Eccentric part structure of vortex compressor rotary shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1715661A CN1715661A (en) | 2006-01-04 |
| CN100532848C true CN100532848C (en) | 2009-08-26 |
Family
ID=35821759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100198108A Expired - Fee Related CN100532848C (en) | 2004-06-28 | 2004-06-28 | Eccentric part structure of vortex compressor rotary shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100532848C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050614B (en) * | 2016-08-01 | 2018-09-07 | 珠海凌达压缩机有限公司 | Compressor |
| CN108561429A (en) * | 2018-05-23 | 2018-09-21 | 武汉船用机械有限责任公司 | A kind of aligning device and aligning method |
-
2004
- 2004-06-28 CN CNB2004100198108A patent/CN100532848C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1715661A (en) | 2006-01-04 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20090826 Termination date: 20100628 |