CN104047861A - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
- Publication number
- CN104047861A CN104047861A CN201410243278.1A CN201410243278A CN104047861A CN 104047861 A CN104047861 A CN 104047861A CN 201410243278 A CN201410243278 A CN 201410243278A CN 104047861 A CN104047861 A CN 104047861A
- Authority
- CN
- China
- Prior art keywords
- rotary compressor
- cylinder
- housing
- main casing
- interference fit
- 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.)
- Pending
Links
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a rotary compressor. The rotary compressor comprises a shell and a pump body, the pump body is arranged in the shell, the pump body comprises a cylinder assembly, a main bearing and a supplementary bearing, the main bearing and the supplementary bearing are arranged over and below the cylinder assembly respectively, and the pump body is in interference fit with the shell. According to the rotary compressor of the embodiment of the invention, the interference fit exists between the pump body and the shell, so the untoward phenomenon of the appearance of a gap between a stator and a rotor due to the welding of the pump body to the shell can be avoided, the shift of the cylinder assembly due to the press-in of a conical pipe can be avoided, and a problem of the increase of a gap between slide plate grooves in a cylinder due to the cylinder deformation can also be avoided. The rotary compressor has the advantages of simple production technology and high reliability.
Description
Technical field
The present invention relates to refrigerating field, especially relate to a kind of rotary compressor.
Background technique
The pump housing means of fixation of the rotary compressor in correlation technique, substantially there is three types: upper bearing (metal) means of fixation, cylinder means of fixation and frame means of fixation, upper bearing (metal) means of fixation in correlation technique, after upper bearing (metal) and housing welding, occur that the bad repairing in rotor gap is more difficult, and conical pipe can cause the problem of cylinder piston-rod displacement while being pressed into.Cylinder means of fixation in correlation technique, because cylinder and housing directly weld, can cylinder deformation after welding, thus cause cylinder vane slot gap to change greatly.Frame means of fixation in correlation technique, because the pump housing is to be fixed by screws in frame, when compressor is collided in transportation process, just easily there is gap bad phenomenon in rotor gap.
Summary of the invention
The present invention is intended to solve at least to a certain extent one of technical problem in correlation technique.For this reason, one object of the present invention is to propose a kind of rotary compressor, can avoid rotor gap to occur gap bad phenomenon, also can avoid causing cylinder assembly displacement because conical pipe is pressed into simultaneously, can also avoid becoming the problem such as large because cylinder deformation causes in cylinder vane slot gap.
Rotary compressor according to the embodiment of the present invention, comprising: housing; The pump housing, the described pump housing is located in described housing, the described pump housing comprises cylinder assembly, main bearing and supplementary bearing, described main bearing and described supplementary bearing be located at described cylinder assembly above and below, the described pump housing and described housing interference fit.
According to the rotary compressor of the embodiment of the present invention, owing to being interference fit between the pump housing and housing, therefore can avoid welding and causing rotor gap to occur gap bad phenomenon with housing because of the pump housing, also can avoid causing cylinder assembly displacement because conical pipe is pressed into simultaneously, can also avoid becoming the problem such as large because cylinder deformation causes in cylinder vane slot gap, and rotary compressor production technology is simple, reliability is high.
In addition, rotary compressor according to the above embodiment of the present invention can also have following additional technical characteristics:
In some embodiments of the invention, described main bearing and described housing interference fit.
In other embodiments of the present invention, described supplementary bearing and described housing interference fit.
According to some embodiments of the present invention, described cylinder assembly comprises a cylinder.
Further, described cylinder and described housing interference fit
According to other embodiments of the present invention, described cylinder assembly comprises two cylinders and is located at the central diaphragm between described two cylinders.
Further, cylinder and described housing interference fit described at least one.
According to a preferred embodiment of the invention, the magnitude of interference S of described interference fit
magnitude of interferencescope be 0.05mm≤S
magnitude of interference≤ 0.55mm.
According to a particular embodiment of the invention, described housing comprises: main casing, and the upper end of described main casing is opened wide, and flange is opened wide and be provided with in the lower end of described main casing, and the described flange palintrope that first stretches out from the lower end of described main casing folds down extension; Upper shell, described upper shell is located on described main casing the upper end with main casing described in capping; Lower shell body, described lower shell body is located on described main casing, and the periphery wall of described lower shell body coordinates the lower end with main casing described in capping with the inwall of the described flange of described main casing.
Further, between the flange of described main casing and described lower shell body, be welded to connect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of rotary compressor according to an embodiment of the invention;
Fig. 2 is the schematic diagram of rotary compressor in accordance with another embodiment of the present invention;
Fig. 3 is the schematic diagram of another embodiment's the rotary compressor according to the present invention;
Fig. 4 is the schematic diagram of another embodiment's the rotary compressor according to the present invention;
Fig. 5 is the enlarged diagram of A part in Fig. 4.
Reference character:
Rotary compressor 100,
Housing 1, main casing 10, upper shell 11, lower shell body 12, flange 13,
The pump housing 2, cylinder assembly 20, main bearing 21, supplementary bearing 22, silencing apparatus 23,
Soldering point 3, liquid-storage container 4, conical pipe 5, motor portion 6, stator 60, rotor 61, bent axle 7.
Embodiment
Describe embodiments of the invention below in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment who is described with reference to the drawings, be exemplary, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of indications such as " circumferentially " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " a plurality of " is more than three or three, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or be integral; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
Below with reference to Fig. 1-Fig. 5, describe according to the rotary compressor 100 of the embodiment of the present invention, this rotary compressor 100 can be single cylinder rotary compressor, twin-tub rotation-type compressor or multi-cylinder rotary compressor, and wherein multi-cylinder rotary compressor refers to three cylinders or rotary compressor more than three cylinders 100.
As Figure 1-Figure 4, according to the rotary compressor 100 of the embodiment of the present invention, comprise: housing 1 and the pump housing 2, wherein, the pump housing 2 is located in housing 1, the pump housing 2 comprises cylinder assembly 20, main bearing 21 and supplementary bearing 22, main bearing 21 and supplementary bearing 22 be located at cylinder assembly 20 above and below.Particularly, as Figure 1-Figure 4, when rotary compressor 100 is single cylinder rotary compressor, cylinder assembly 20 comprises a cylinder, and main bearing 21 is located at the upper surface of cylinder, and supplementary bearing 22 is located at the lower surface of cylinder.When rotary compressor 100 is twin-tub rotation-type compressor (scheming not shown), cylinder assembly 20 comprises two cylinders and is located at two central diaphragms between cylinder, be that cylinder assembly 20 comprises upper cylinder, lower cylinder and central diaphragm, main bearing 21 is located at the upper surface of upper cylinder, and supplementary bearing 22 is located at the lower surface of lower cylinder.When rotary compressor 100 is multi-cylinder rotary compressor (scheming not shown), cylinder assembly 20 comprises a plurality of cylinders, between adjacent cylinder, be provided with dividing plate, main bearing 21 is located on the upper surface of the cylinder that is positioned at the top, and supplementary bearing 22 is located on the lower surface that is positioned at the cylinder of below.
What need to describe is, the pump housing 2 also comprises silencing apparatus 23 elements such as grade, rotary compressor 100 also comprises the elements such as motor portion 6, bent axle 7, liquid-storage container 4 simultaneously, motor portion 6 comprises stator 60 and is located at the rotor 61 in stator 60, outer being enclosed within on bent axle 7 of rotor 61 rotated with band dynamic crankshaft 7, and liquid-storage container 4 is communicated with cylinder assembly 20 by the conical pipe 5 being pressed in cylinder assembly 20.In the example of Fig. 1-Fig. 4, conical pipe 5 is pressed in cylinder.Also it should be noted that, the working principle of rotary compressor 100 etc. has been prior art, is not just described in detail here simultaneously.
The pump housing 2 and housing 1 interference fit.Particularly, in the example of Fig. 1 and Fig. 4, main bearing 21 and housing 1 interference fit, in the example of Fig. 2, cylinder assembly 20 comprises a cylinder, cylinder and housing 1 interference fit.In the example of Fig. 3, supplementary bearing 22 and housing 1 interference fit.When rotary compressor 100 is twin-tub rotation-type compressor or multi-cylinder rotary compressor, can be at least one cylinder and housing 1 interference fit.In concrete example of the present invention, the pump housing 2 is fixed up by mode and the housing 1 of hot jacket, utilizes the principle of expanding with heat and contract with cold, and reaches the object of interference fit.
Particularly, as Figure 1-Figure 4, one of them in main bearing 21, cylinder assembly 20 and the supplementary bearing 22 of the pump housing 2 is when by interference fit, for example the mode of hot jacket and housing 1 are fixed up, due to main bearing 21 and supplementary bearing 22 with housing 1 welding, therefore can avoid rotor gap to occur gap bad phenomenon and avoid being pressed into because of conical pipe 5 problems such as causing cylinder assembly 20 displacements.Because cylinder does not weld with housing 1, therefore can avoid becoming large because cylinder deformation causes vane slot gap in cylinder simultaneously.
According to the rotary compressor 100 of the embodiment of the present invention, owing to being interference fit between the pump housing 2 and housing 1, therefore can avoid causing rotor gap to occur gap bad phenomenon because of the pump housing 2 and housing 1 welding, also can avoid causing cylinder assembly 20 displacements because conical pipe 5 is pressed into simultaneously, can also avoid becoming the problem such as large because cylinder deformation causes in cylinder vane slot gap, and rotary compressor 100 production technologies are simple, reliability is high.
In a preferred embodiment of the invention, the magnitude of interference S of interference fit
magnitude of interferencescope be 0.05mm≤S
magnitude of interference≤ 0.55mm.Thereby guarantee the pump housing 2 can with housing 1 interference fit, and guaranteed the stability in gap between rotor, avoid rotor gap to occur gap bad phenomenon.
In specific embodiments of the invention, as Figure 1-Figure 4, housing 1 comprises: main casing 10, upper shell 11 and lower shell body 12.Wherein, the open at both ends up and down of main casing 10.Upper shell 11 is located on main casing 10 upper end with capping main casing 10, and lower shell body 12 is located on main casing 10 lower end with capping main casing 10.In the example of Fig. 1-Fig. 4, the pump housing 2 and lower shell body 12 interference fit, be welded to connect between main casing 10 and lower shell body 12, and main casing 10 is welded on lower shell body 12, as Figure 1-Figure 4, between main casing 10 and lower shell body 12, has soldering point 3.
Further, as shown in Figure 4 and Figure 5, the lower end of main casing 10 is provided with flange 13, and flange 13 palintrope that first stretches out from the lower end of main casing 10 folds down extension, the inwall of flange 13 coordinate with the periphery wall of lower shell body 12 and flange 13 and lower shell body 12 between be welded to connect.Thereby be convenient to being welded to connect between main casing 10 and lower shell body 12.
More specifically, as shown in Figure 5, the upper end of lower shell body 12 is provided with annular receiving groove, a part for the lower surface of flange 13 is supported on the upper surface of receiving groove, and the internal surface of flange 13 contacts with the outer side wall of receiving groove, another part of lower surface and the periphery wall of lower shell body 12 of flange 13 are welded to connect simultaneously, as shown in Figure 4 and Figure 5, between the lower surface of flange 13 and lower shell body 12, have soldering point 3.Wherein it should be noted that, above-mentioned " outwards " refer to along bent axle 7 radially away from the direction of the central axis of bent axle 7, " inwardly " refers to the direction towards the central axis of bent axle 7 along the radial direction of bent axle 7.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, First Characteristic Second Characteristic " on ", " top " and " above " but First Characteristic directly over Second Characteristic or oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " can be First Characteristic under Second Characteristic or tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And, the specific features of description, structure, material or feature can one or more embodiments in office or example in suitable mode combination.In addition,, not conflicting in the situation that, those skilled in the art can carry out combination and combination by the feature of the different embodiments that describe in this specification or example and different embodiment or example.
Although illustrated and described embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, modification, replacement and modification.
Claims (10)
1. a rotary compressor, is characterized in that, comprising:
Housing;
The pump housing, the described pump housing is located in described housing, the described pump housing comprises cylinder assembly, main bearing and supplementary bearing, described main bearing and described supplementary bearing be located at described cylinder assembly above and below, the described pump housing and described housing interference fit.
2. rotary compressor according to claim 1, is characterized in that, described main bearing and described housing interference fit.
3. rotary compressor according to claim 1, is characterized in that, described supplementary bearing and described housing interference fit.
4. rotary compressor according to claim 1, is characterized in that, described cylinder assembly comprises a cylinder.
5. rotary compressor according to claim 4, is characterized in that, described cylinder and described housing interference fit.
6. rotary compressor according to claim 1, is characterized in that, described cylinder assembly comprises two cylinders and is located at the central diaphragm between described two cylinders.
7. rotary compressor according to claim 6, is characterized in that, cylinder and described housing interference fit described at least one.
8. according to the rotary compressor described in any one in claim 1-7, it is characterized in that the magnitude of interference S of described interference fit
magnitude of interferencescope be 0.05mm≤S
magnitude of interference≤ 0.55mm.
9. rotary compressor according to claim 1, is characterized in that, described housing comprises:
Main casing, the upper end of described main casing is opened wide, and flange is opened wide and be provided with in the lower end of described main casing, and the described flange palintrope that first stretches out from the lower end of described main casing folds down extension;
Upper shell, described upper shell is located on described main casing the upper end with main casing described in capping;
Lower shell body, described lower shell body is located on described main casing, and the periphery wall of described lower shell body coordinates the lower end with main casing described in capping with the inwall of the described flange of described main casing.
10. rotary compressor according to claim 9, is characterized in that, between the flange of described main casing and described lower shell body, is welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410243278.1A CN104047861A (en) | 2014-06-03 | 2014-06-03 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410243278.1A CN104047861A (en) | 2014-06-03 | 2014-06-03 | Rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104047861A true CN104047861A (en) | 2014-09-17 |
Family
ID=51501139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410243278.1A Pending CN104047861A (en) | 2014-06-03 | 2014-06-03 | Rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104047861A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168213A (en) * | 2015-05-22 | 2016-11-30 | Lg电子株式会社 | Rotary compressor and the method being used for manufacturing rotary compressor |
| WO2020258718A1 (en) * | 2019-06-24 | 2020-12-30 | 广东美芝精密制造有限公司 | Compressor liquid accumulator and compressor comprising same |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0569119A1 (en) * | 1992-04-29 | 1993-11-10 | Carrier Corporation | Rotary compressor |
| CN1093978A (en) * | 1992-12-10 | 1994-10-26 | 运载器有限公司 | The noise reduction of rotary compressor |
| US5382143A (en) * | 1990-07-13 | 1995-01-17 | Mitsubishi Denki Kabushiki Kaisha | Scroll type compressor having a thrust plate in a frame recess |
| JP2002213363A (en) * | 2001-01-16 | 2002-07-31 | Daikin Ind Ltd | Sealing structure for compressor |
| CN1916422A (en) * | 2005-08-18 | 2007-02-21 | 乐金电子(天津)电器有限公司 | Fixed construction between engine body and engine shell of compressor, and fixing method |
| CN1952403A (en) * | 2005-10-21 | 2007-04-25 | 乐金电子(天津)电器有限公司 | Compressor pump and casing connecting structure |
| CN100398831C (en) * | 2003-12-23 | 2008-07-02 | 乐金电子(天津)电器有限公司 | Cylinder fixing arrangement for double cylinder rotary type compressor |
| CN203906293U (en) * | 2014-06-03 | 2014-10-29 | 广东美芝精密制造有限公司 | Rotary compressor |
-
2014
- 2014-06-03 CN CN201410243278.1A patent/CN104047861A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5382143A (en) * | 1990-07-13 | 1995-01-17 | Mitsubishi Denki Kabushiki Kaisha | Scroll type compressor having a thrust plate in a frame recess |
| EP0569119A1 (en) * | 1992-04-29 | 1993-11-10 | Carrier Corporation | Rotary compressor |
| CN1093978A (en) * | 1992-12-10 | 1994-10-26 | 运载器有限公司 | The noise reduction of rotary compressor |
| JP2002213363A (en) * | 2001-01-16 | 2002-07-31 | Daikin Ind Ltd | Sealing structure for compressor |
| CN100398831C (en) * | 2003-12-23 | 2008-07-02 | 乐金电子(天津)电器有限公司 | Cylinder fixing arrangement for double cylinder rotary type compressor |
| CN1916422A (en) * | 2005-08-18 | 2007-02-21 | 乐金电子(天津)电器有限公司 | Fixed construction between engine body and engine shell of compressor, and fixing method |
| CN1952403A (en) * | 2005-10-21 | 2007-04-25 | 乐金电子(天津)电器有限公司 | Compressor pump and casing connecting structure |
| CN203906293U (en) * | 2014-06-03 | 2014-10-29 | 广东美芝精密制造有限公司 | Rotary compressor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168213A (en) * | 2015-05-22 | 2016-11-30 | Lg电子株式会社 | Rotary compressor and the method being used for manufacturing rotary compressor |
| WO2020258718A1 (en) * | 2019-06-24 | 2020-12-30 | 广东美芝精密制造有限公司 | Compressor liquid accumulator and compressor comprising same |
| US12050040B2 (en) | 2019-06-24 | 2024-07-30 | Guangdong Meizhi Precision-Manufacturing Co., Ltd. | Compressor liquid accumulator and compressor comprising same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105634188B (en) | Motor with mounting flange | |
| CN104047861A (en) | Rotary compressor | |
| CN203906293U (en) | Rotary compressor | |
| CN102477990B (en) | Air suction structure of rotor type compressor | |
| CN104343688A (en) | Welding part, compressor lower bracket and compressor | |
| CN203394761U (en) | Weld assembly, lower bracket of compressor and compressor | |
| CN104595191A (en) | Compressor assembly | |
| EP3051131B1 (en) | Compressor and method for producing compressor | |
| CN204140413U (en) | Rotary compressor | |
| CN105134604A (en) | Core adjusting method of compression mechanism part | |
| CN204436791U (en) | For compressor compressing mechanism and there is its compressor | |
| CN105114314A (en) | Rotary compressor and assembly method thereof | |
| CN105202089A (en) | Integrated side pressure V-shaped spring and sealing ring with same | |
| CN102369131B (en) | Steering rack housing comprising cross-sectional contractions | |
| CN203962322U (en) | Compressor and stator pivot pin thereof | |
| CN203022856U (en) | Connecting device used for gas conveying pipeline and automobile exhaust pipeline with same | |
| CN206076688U (en) | Diverter and its housing | |
| CN202046353U (en) | Ball bearing support device and steering post with same | |
| CN206595831U (en) | Motor and the compressor with it | |
| CN104481884A (en) | Refrigerating system and rotary compressor with axial flux motor | |
| CN104595190A (en) | Compressing mechanism for compressor and compressor with compressing mechanism | |
| CN203726669U (en) | Connector mold | |
| CN104218722A (en) | DC motor seat and DC motor | |
| CN203614426U (en) | Rotary compressor | |
| CN104712451A (en) | Engine block group and engine with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140917 |
|
| RJ01 | Rejection of invention patent application after publication |