CN105458224A - Compressor and manufacturing method for composite rack thereof - Google Patents
Compressor and manufacturing method for composite rack thereof Download PDFInfo
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- CN105458224A CN105458224A CN201410432177.9A CN201410432177A CN105458224A CN 105458224 A CN105458224 A CN 105458224A CN 201410432177 A CN201410432177 A CN 201410432177A CN 105458224 A CN105458224 A CN 105458224A
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Abstract
The invention provides a compressor and a manufacturing method for a composite rack thereof. The manufacturing method at least comprises the following steps that a bush in the shape of a solid cylinder or ring is manufactured; casting is carried out on the peripheral face of the bush to form a bearing, the casting temperature is not lower than the melting point of the material of the bearing, and the melting point of the material of the bearing is not lower than the melting point of the material of the bush; and a composite rack blank with the bush and the bearing is formed after cooling. According to the method, the bearing is formed by carrying out casting outside the formerly formed bush ingeniously, the casting forming process of the bearing and the connecting process of the bush and the bearing are combined, one-time casting forming is achieved, and implementation is easy; the technique is simplified, production efficiency is improved, and production cost is lowered; moreover, the connecting strength between the bush and the bearing is high, the bush is not prone to loosening in the subsequent machining process, and the machining precision of a bush inner hole is guaranteed.
Description
Technical field
The invention belongs to compressor field, relate to the manufacture method of a kind of compressor and compound frame thereof.
Background technology
Typically, hermetic compressor comprises the motor for producing driving force in the inner space of can, and is connected to the compression member of described motor for compressed refrigerant.Hermetic compressor can be categorized as reciprocating compressor, scroll compressor, rolling rotor compressor etc. according to the difference of refrigerant compression mechanism.Reciprocating compressor, scroll compressor and rolling rotor compressor are all the revolving forces utilizing motor.
Such as, the existing motor of the rolling rotor compressor of revolving force that utilizes has a bent axle, by bent axle, the revolving force of motor is delivered to compression member.As shown in Figure 1, the basic structure of rolling rotor compressor is as follows:
The upper/lower terminal of can 2 ' welds upper cover 1 ' and lower cover 7 ' respectively.Motor 3 ' is placed in can 2 ', and motor 3 ' comprises and is sheathed on internal rotor on bent axle 31 ' 32 ' and external stator 33 '.External stator 33 ' is fixed with can 2 '.Internal rotor 32 ' is inserted in external stator 33 ', between this internal rotor 32 ' and external stator 33 ', have predetermined gap, and then is rotated this internal rotor 32 ' by the interaction with external stator 33 '.Bent axle 31 ' is connected to described internal rotor 32 ' so that the revolving force of internal rotor 32 ' is delivered to compression member 5 '.
Compression member 5 ' can comprise: cylinder, rotating piston and the blade for completely cutting off high-low pressure chamber in the cylinder, and multiple for jointly limiting compression stroke with described cylinder and supporting the bearing of bent axle 31 '.
Bearing is usually located at the side of motor 3 ' to support bent axle 31 ', and such as, shown in Fig. 1, bearing is positioned at the downside of motor 3 '; In the vertical rolling rotor compressor shown in Fig. 1, bearing comprises upper bearing (metal) 4 ' and lower bearing 6 ', and both are separately positioned on the upper side and lower side of cylinder; Upper bearing (metal) 4 ' is i.e. base bearing, and lower bearing 6 ' is i.e. supplementary bearing.
The bottom of bent axle 31 ' relies on bearing (upper bearing (metal) 4 ' and lower bearing 6 ') to be positioned the axis of can 2 '; Upper bearing (metal) 4 ' forms friction pair by internal boss structure (the interior column structure in Fig. 1) and bent axle 31 '.
As shown in Figure 1, in rolling rotor compressor, adopt bearing (upper bearing (metal) 4 ' and lower bearing 6 ') and bent axle 31 ' directly to contact the mode coordinated, and upper bearing (metal) 4 ' weld with can 2 '.Study discovery through inventor, this structure of prior art is difficult to the requirement simultaneously meeting two aspects: on the one hand, and because bearing and bent axle form friction pair, be engaged characteristic both therefore requiring good, abrasion will meet relevant criterion; On the other hand, bearing meets the welding requirements with housing again.
In addition, inventor also finds that this structure exists following drawback:
(1) upper bearing (metal) 4 ' is serious with the abrasion of bent axle 31 '.Specifically, micro-compressor is owing to limitting by size, and the height of upper bearing (metal) 4 ' is less than common rotary compressor.Bent axle 31 ' is thinner again, causes upper bearing (metal) 4 ' face to be pressed and increases, and local operating mode is comparatively severe, and abrasion are serious.In addition, to weld with can 2 ' improperly in situation at upper bearing (metal) 4 ', the axis of bent axle 31 ' may tilt, even if very little angle of inclination also may cause abrasion to concentrate between upper bearing (metal) 4 ' and bent axle 31 '.
(2) can 2 ' easily causes can 2 ' to be out of shape with upper cover 1 ', welding of lower cover 7 '.Specifically, because can 2 ' is generally cylinder-like structure, so when with upper cover 1 ', the welding of lower cover 7 ', be heated and easily deformation occur, thus, not only affect the overall air-tightness of compressor, and cause the rotor of motor and stator gap uneven, and then affect the overall axiality of motor and bent axle, bearing, cylinder etc., reduce compressor operating efficiency and performance.
(3) gap between internal rotor 32 ' and external stator 33 ' is bad.Specifically, the rolling rotor compressor of prior art, by the impact of component machining accuracy and rotor positioning datum, cannot eliminate the bad problem in rotor gap from root always.Due to upper bearing (metal) 4 ', to be mounted in can 2 ' interior, and the axiality between the bearing surface of upper bearing (metal) 4 ' itself and the inwall of can 2 ' is difficult to ensure, the difficulty of processing of upper bearing (metal) 4 ' is high.External stator 33 ' is located based on can 2 '; Internal rotor 32 ' is located based on bent axle 31 ', bent axle 31 ' is located based on upper bearing (metal) 4 ' again, so when the axiality between upper bearing (metal) 4 ' and can 2 ' is not up to standard time, gap between internal rotor 32 ' and external stator 33 ' will become very poor, even cause the wearing and tearing between internal rotor 32 ' and external stator 33 ', shorten motor service life, and a large amount of noise can be produced.
Summary of the invention
The object of the present invention is to provide a kind of compressor and compound frame manufacture method thereof, the abrasion requirement that bearing and bent axle form friction pair can either be met, the welding requirements of bearing and cap can be met again, reduce difficulty of processing simultaneously.
The present invention further improves being connected between lining and bearing, and wherein, described manufacture method is easy to implement, and ensure that the bonding strength between lining and bearing, thus ensures the precision that follow-up lining inner circle is processed.
One aspect of the present invention provides a kind of manufacture method of compressor compound frame, and this manufacture method at least comprises the steps: the lining making solid cylinder or annulus; Form bearing in the outer peripheral face casting of described lining, wherein cast temperature is not less than the material fusing point of described bearing, and the material fusing point of described bearing is not less than the material fusing point of described lining; And after cooling, form the compound frame blank with described lining and described bearing.
Preferably, described lining is through powder metallurgy sintered forming, and the material fusing point of described cast temperature and described bearing is all greater than 1500 DEG C.
Preferably, the material of described lining is more wear-resisting than the material of described bearing and/or coefficient of friction is lower, and the material of described bearing is easier to the case weld with compressor than the material of described lining.
Preferably, described bearing has round plate and goes up outer edge epimere and the outer edge hypomere of downward-extension in described round plate periphery respectively, described manufacture method comprises further: process further described compound frame blank, and the endoporus of described lining is coaxial with the inner circumferential circle of the outer edge epimere of described bearing.
Preferably, concave inlaid structure is formed between the inner peripheral surface of described bearing and the outer peripheral face of described lining.
The present invention provides a kind of compressor on the other hand, and it comprises housing, is placed in the motor on the top in described housing, is placed in the cylinder of the bottom in described housing, for the revolving force of described motor is passed to cylinder with compressed refrigerant bent axle; Described compressor also comprises: compound frame, between described motor and described cylinder, for supporting described bent axle, described compound frame is integrally welded with the remainder of described housing as the part of described housing, and described compound frame comprises further: the lining of solid cylinder or annulus; And bearing, casting is formed at the outer peripheral face of described lining; Wherein, the material fusing point of described bearing is not less than the material fusing point of described lining.
Preferably, described lining is through powder metallurgy sintered forming, and the material fusing point of described cast temperature and described bearing is all greater than 1500 DEG C.
Preferably, the material of described lining is more wear-resisting than the material of described bearing and/or coefficient of friction is lower, and the material of described bearing is easier to the case weld with compressor than the material of described lining.
Preferably, described bearing has round plate and goes up outer edge epimere and the outer edge hypomere of downward-extension in described round plate periphery respectively, and the endoporus of described lining is coaxial with the inner circumferential circle of the outer edge epimere of described bearing.
Preferably, concave inlaid structure is formed between the inner peripheral surface of described bearing and the outer peripheral face of described lining.
Compared with the method for prior art, the manufacture method of compressor compound frame of the present invention is formed in the process of bearing in casting, and lining outer circumferential surface section fractional melting, merges with the bound fraction of bearing, through cooling, lining and bearing are fastenedly connected, and the cast molding process of bearing and the connection procedure between lining and bearing are united two into one, a cast molding, easy to implement, simplify technique, improve production efficiency, reduce production cost.
Adopt the compressor compound frame obtained by compressor compound frame manufacture method of the present invention, have stronger bonding strength between lining and bearing, lining, in the process of following process, not easily loosens, and ensure that the machining accuracy of lining endoporus.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the sectional view of the compressor of prior art;
Fig. 2 is the sectional view of the compressor of first embodiment of the invention;
Fig. 3 is the sectional view of the compound frame of the compressor of first embodiment of the invention;
Fig. 4 is the sectional view of the compound frame of the compressor of second embodiment of the invention;
Fig. 5 is the sectional view of the compound frame of the compressor of third embodiment of the invention.
Detailed description of the invention
Below will provide detailed description to embodiments of the invention.Although the present invention will carry out setting forth and illustrating in conjunction with some detailed description of the invention, it should be noted that the present invention is not merely confined to these embodiments.On the contrary, the amendment carry out the present invention or equivalent replacement, all should be encompassed in the middle of right of the present invention.
In addition, in order to better the present invention is described, in detailed description of the invention hereafter, give numerous details.It will be understood by those skilled in the art that do not have these details, the present invention can implement equally.In other example, known structure and parts are not described in detail, so that highlight purport of the present invention.
first embodiment
As shown in Figure 2, the vertical compressor of the present embodiment, comprising: housing 1, motor 2, cylinder 3, bent axle 4, clutch shaft bearing assembly and the second bearing assembly.
Motor 2 is placed in the upper space in housing 1.Cylinder 3 is placed in the lower space in housing 1.Bent axle 4 has the minor axis portion be positioned on the downside of the major axis portion on the upside of cylinder 3, the eccentric part being positioned at cylinder 3 and cylinder 3, and the revolving force of motor 2 is passed to cylinder 3, with compressed refrigerant by bent axle 4.Clutch shaft bearing assembly and the second bearing assembly are separately positioned on the upper side and lower side of cylinder 3, jointly limit compression stroke and support bent axle 4 with cylinder 3.Clutch shaft bearing assembly comprises compound frame 5, and it is between motor 2 and cylinder 3, and integrally welded with the remainder of housing 1 as the part of housing 1, this compound frame 5 at least comprises base bearing 51 (i.e. upper bearing (metal)).Second bearing assembly at least comprises supplementary bearing 6 (i.e. lower bearing).
As shown in Figures 2 and 3, compound frame 5 comprises: the base bearing 51 have the circular lining 52 of endoporus, forming in the casting of lining 52 outer peripheral face.Wherein, cast temperature is not less than the material fusing point of base bearing 51, and the material fusing point of base bearing 51 is higher than the material fusing point of lining 52.
As shown in Figure 3, connection between lining 52 and base bearing 51 has the structure of concave inlaid, namely base bearing 51 protrudes the outer peripheral face part being embedded into lining 52 a little, thus the fusion portion 53 both being formed, form comparatively fastening connection between base bearing 51 and lining 52.
The major axis portion of bent axle 4, through the endoporus of lining 52, so just forms friction pair by the endoporus of lining 52 and bent axle 4.
As shown in Figure 3, base bearing 51 have band through hole round plate 511, from the inner edge portion 510 of the inner circumferential projection of round plate 511 and the outer edge 512 of going up downward-extension from round plate 21 outer rim respectively, outer edge comprises outer edge epimere 5121 and outer edge hypomere 5122, and the middle cross section entirety of base bearing 51 is in H-shaped.Thus, the inner peripheral surface of the through hole of base bearing 51 is jointly made up of the inner peripheral surface of the inner peripheral surface of round plate 511 and inner edge portion 510.The height of lining 52 is greater than the height (i.e. the thickness sum of round plate 511 and inner edge portion 510) of through hole.
In the present embodiment, the outer edge 512 of base bearing 51, as a part for housing 1, is welded as a whole with the remainder of housing 1.Also namely, housing 1 is primarily of outer edge 512, upper cover and lower cover composition, and the upper cover of housing 1 is connected with outer edge epimere 5121, and the lower cover of housing 1 is connected with outer edge hypomere 5122.Instead of multiple component such as central enclosure, base bearing of prior art as unified frame with the base bearing 51 of outer edge 512 in the present embodiment, not only structure is simplified, and be conducive to improving the overall assembly precision of compressor, fundamentally solve puzzlement industry rotor clearance issues for many years.
The external stator of motor 2 directly can be fixed at (such as, arrange the 3rd shoulder at inner peripheral surface, figure does not show) on the inner peripheral surface of the outer edge epimere 5121 of base bearing 51.Like this, because the inner peripheral surface of outer edge epimere 5121 is as the positioning datum of outer stator of motor, the endoporus of lining 52 is as the positioning datum of motor internal rotor, need by processing further the outer edge of bearing, make the inner peripheral surface of the outer edge epimere 5121 of base bearing 51 and the female coaxial of lining 52, thus can ensure that internal rotor is coaxial with external stator, reach splendid matched in clearance effect between the two, and then reduce abrasion and noise.
The present invention is based on research and find that the base bearing 51 in compressor wears away seriously, by change base bearing 51 structure, inlay busher 52 between base bearing 51 and bent axle 4, forms friction pair by the endoporus of lining 52 and bent axle 4.
On the one hand, in the compressor compound frame 5 of the present embodiment, the through hole of base bearing 51 does not directly coordinate with bent axle 4, therefore can reduce the requirement of the machining accuracy of base bearing 51 inner surface, allow the error be processed with to a certain extent of base bearing 51 inner surface, greatly reduce the defect rate of product, improve production efficiency.
On the other hand, base bearing 51 and the material of lining 52 can be selected more neatly to realize its respective function better.In an embodiment of the present invention, when selecting the material of lining 52, the material of lining 52 is more wear-resisting than the material of base bearing 51 and/or coefficient of friction is less, the friction pair consisted of lining 52 and bent axle 4, and occlusion characteristic is fine, wears away little, can meet relevant criterion; When selecting the material of base bearing 51, the material of base bearing 51 is easier to weld with the housing 1 of compressor than the material of lining 52, makes the weld seam after welding meet technological requirement.The selection of parts material is flexible, also can control the cost of product thus better.
About the material of base bearing 51 and lining 52, both adopt different materials, and cast temperature is not less than the material fusing point of base bearing 51, and the material fusing point of base bearing 51 is not less than the material fusing point of lining 52.
In order to realize supporting the mechanical performance of bent axle 4 better and realize and the welding of housing 1, base bearing 51 can adopt has good support performance and the easy bearing steel welded with housing 1.In the present embodiment, housing 1 adopts mild steel, such as 20# steel; Base bearing 51 adopts mild steel, such as 20# steel, and fusing point is about 1560 ~ 1580 degrees Celsius.
Lining 52 can adopt has excellent abrasive resistance and the less material of coefficient of friction, thus forms friction pair with bent axle 4.In the present embodiment, lining 52 adopts powder metallurgy, and fusing point is about 1500 degrees Celsius.
As mentioned above, base bearing 51 and lining 52 are realize its function different separately better, need adopt different materials, and being connected thus between base bearing 51 and lining 52 exists very large difficulty.The mode of colding pressing according to the interference of prior art coordinates, and can produce problems, such as,
(1) binding site insufficient strength.Adopt the less magnitude of interference to cold pressing, the adhesion between frame and lining is just smaller, and after press-in coordinates, during lining inner circle following process, lining is as easy as rolling off a log loosens, and the precision of lining inner circle can not be guaranteed.According to the larger magnitude of interference, powder metallurgy lining material is more crisp, easily broken when colding pressing; (2) cost is larger.Two mating surfaces of frame and lining all need fine finishining with the magnitude of interference of both control, need higher processing cost; And need to drop into cold pressing device, manually, increase cold pressing process; (3) complex process, through multiple fine processing and assembly process.
Based on this, the present invention adopts a cast molding very dexterously, completes the shaping of base bearing 51 and the connection with lining 52 thereof.
The manufacture method of the compound frame 5 of the present embodiment will be introduced further below.
The manufacture method of the compressor compound frame 5 of the present embodiment, at least comprises the following steps: lining 52 is made solid cylinder or annulus; Form base bearing 51 in the casting of lining 52 outer peripheral face, wherein cast temperature is not less than the material fusing point of base bearing 51, and the material fusing point of base bearing 51 is not less than the material fusing point of lining 52; The compound frame blank with lining 52 and base bearing 51 is formed after cooling.
Stator rotor gap in order to ensure motor is good, also needs to process further described compound frame blank, makes the endoporus of lining 52 coaxial with the inner circumferential circle of the outer edge epimere of base bearing 51.Preferably, in order to reduce the difficulty of axiality processing herein, in aforementioned casting cycle, position assurance can be added to lining 52 and base bearing 51 liang of components coaxial.
In the present embodiment, cast temperature is about 1560 ~ 1580 degrees Celsius, equals the fusing point of base bearing 51 material haply, and higher than the fusing point of lining 52 material.Therefore, at the outer peripheral face place of lining 52, casting is formed in the process of base bearing 51, and lining 52 outer circumferential surface section fractional melting, merges with the bound fraction of base bearing 51, fusion portion 53 cooled and solidified thus connect base bearing 51 and lining 52; Also base bearing 51 can be given prominence to the outer peripheral face part being embedded into lining 52 a little, thus the connection that both formation are comparatively fastening.As can be seen here, such manufacture method, need not carry out fine finishining to both faying faces, and while casting forms base bearing 51, complete being fastenedly connected between lining 52 and base bearing 51 before assembling lining 52 with base bearing 51.
For one of ordinary skill in the art, generally directly can think and three process should be adopted, make base bearing 51, make lining 52 again, and then lining 52 and base bearing 51 are welded, or lining 52 is assembled to the through hole of bearing 51.And the present invention changes the normal process steps that independent shaping lining and bearing carry out welding or assembling again, the outer cast molding bearing of lining formerly shaping very dexterously, simplifies technique, and easy to implement, improves formation efficiency, reduces production cost.
The compound frame 5 that said method is obtained, the fusion portion 53 between lining 52 and base bearing 51 has stronger bonding strength after the cooling period, and lining 52 endoporus, in the process of following process, not easily loosens, and ensure that the machining accuracy of lining 52 endoporus.
second embodiment
In the change case of as shown in Figure 4, comprise the round plate 511a of band through hole with the first embodiment unlike, base bearing 51a and go up the outer edge 512a of downward-extension from round plate 511a outer rim respectively, the middle cross section of base bearing 51a is overall is H-shaped.The height of the lining 52a coordinated with this base bearing 51a is greater than the thickness of round plate 511a.In this embodiment, eliminate the inner edge portion 510 of base bearing 51 in the first embodiment, processing becomes easier.
3rd embodiment
In another change case as shown in Figure 5, be inner circumferential projection from round plate 511 and the cylinder formed with the first embodiment unlike the inner edge portion 510b of, base bearing 511b.The inner peripheral surface of the through hole of base bearing 511b is jointly made up of the inner peripheral surface of round plate 511b and the inner peripheral surface of inner edge portion 510b.The height of lining 52b equals the height (i.e. the thickness sum of round plate 511b and inner edge portion 510b) of the through hole of base bearing 511b, thus makes the inner peripheral surface of base bearing 511b through hole can support bushing 52b better.
In another change case (not shown) of above-mentioned first, second, third embodiment, supplementary bearing assembly also can adopt the structure of compound frame, it comprises: the base bearing have the circular lining of endoporus, forming in the casting of lining outer peripheral face, wherein, cast temperature is not less than the material fusing point of base bearing, and the material fusing point of base bearing is not less than the material fusing point of lining.
Though the above embodiment of the present invention is for vertical compressor, be not limited thereto, and also can be that other lay the compressor of mode, such as horizontal compressor etc.
In summary, compressor compound frame manufacture method of the present invention, is formed in the process of bearing in casting, lining outer circumferential surface section fractional melting, merge with the bound fraction of bearing, through cooling, lining and bearing are fastenedly connected, the cast molding process of bearing and the connection procedure between lining and bearing are united two into one, a cast molding, easy to implement, simplify technique, improve production efficiency, reduce production cost.Adopt the compressor compound frame obtained by the present invention, have stronger bonding strength between lining and bearing, lining, in the process of following process, not easily loosens, and ensure that the machining accuracy of lining endoporus.
Claims (10)
1. a manufacture method for compressor compound frame, is characterized in that, this manufacture method at least comprises the steps:
Make the lining of solid cylinder or annulus;
Form bearing in the outer peripheral face casting of described lining, wherein cast temperature is not less than the material fusing point of described bearing, and the material fusing point of described bearing is not less than the material fusing point of described lining; And
The compound frame blank with described lining and described bearing is formed after cooling.
2. manufacture method as claimed in claim 1, it is characterized in that, described lining is through powder metallurgy sintered forming, and the material fusing point of the temperature of described casting and described bearing is all greater than 1500 DEG C.
3. manufacture method as claimed in claim 1, it is characterized in that, the material of described lining is more wear-resisting than the material of described bearing and/or coefficient of friction is lower, and the material of described bearing is easier to the case weld with compressor than the material of described lining.
4. manufacture method as claimed in claim 1, it is characterized in that, described bearing has round plate and goes up outer edge epimere and the outer edge hypomere of downward-extension in described round plate periphery respectively, described manufacture method comprises further: process further described compound frame blank, makes the endoporus of described lining coaxial with the inner circumferential circle of the outer edge epimere of described bearing.
5. as the manufacture method in claim 1-4 as described in any one, it is characterized in that, between the inner peripheral surface of described bearing and the outer peripheral face of described lining, form concave inlaid structure.
6. a compressor, it comprises: housing, be placed in the top in described housing motor, be placed in the bottom in described housing cylinder, for the revolving force of described motor is passed to cylinder with the bent axle of compressed refrigerant, it is characterized in that,
Described compressor also comprises: compound frame, and between described motor and described cylinder, for supporting described bent axle, described compound frame is integrally welded with the remainder of described housing as the part of described housing,
Described compound frame comprises further:
The lining of solid cylinder or annulus; With
Bearing, casting is formed at the outer peripheral face of described lining;
Wherein, the material fusing point of described bearing is not less than the material fusing point of described lining.
7. compressor as claimed in claim 6, it is characterized in that, described lining is through powder metallurgy sintered forming, and the material fusing point of described cast temperature and described bearing is all greater than 1500 DEG C.
8. compressor as claimed in claim 6, it is characterized in that, the material of described lining is more wear-resisting than the material of described bearing and/or coefficient of friction is lower, and the material of described bearing is easier to the case weld with compressor than the material of described lining.
9. compressor as claimed in claim 6, it is characterized in that, described bearing has round plate and goes up outer edge epimere and the outer edge hypomere of downward-extension in described round plate periphery respectively, and the endoporus of described lining is coaxial with the inner circumferential circle of the outer edge epimere of described bearing.
10. as the compressor in claim 6-9 as described in any one, it is characterized in that, between the inner peripheral surface of described bearing and the outer peripheral face of described lining, form concave inlaid structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410432177.9A CN105458224B (en) | 2014-08-28 | 2014-08-28 | Compressor and manufacturing method of composite frame thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410432177.9A CN105458224B (en) | 2014-08-28 | 2014-08-28 | Compressor and manufacturing method of composite frame thereof |
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| Publication Number | Publication Date |
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| CN105458224A true CN105458224A (en) | 2016-04-06 |
| CN105458224B CN105458224B (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410432177.9A Active CN105458224B (en) | 2014-08-28 | 2014-08-28 | Compressor and manufacturing method of composite frame thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594444A (en) * | 2020-05-21 | 2020-08-28 | 黄石东贝电器股份有限公司 | Vertical rotary compressor |
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| CN86106682A (en) * | 1986-10-11 | 1988-04-20 | 机械工业部沈阳铸造研究所 | White cast-iron and cast steel bimetal composite casting |
| CN2549251Y (en) * | 2002-05-10 | 2003-05-07 | 余世界 | Precisive shaped bimetal bush bearing lining sleeve with lubricant concaves |
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| CN102029379A (en) * | 2009-09-29 | 2011-04-27 | 淄博君合专利技术开发有限公司 | Bimetallic combined machining method |
| CN102062099A (en) * | 2011-02-12 | 2011-05-18 | 沈阳华润三洋压缩机有限公司 | Rotary type compressor |
| CN202187919U (en) * | 2011-07-25 | 2012-04-11 | 安徽美芝精密制造有限公司 | Rotary type compressor |
| CN102477984A (en) * | 2010-11-26 | 2012-05-30 | 上海日立电器有限公司 | Rotary compressor structure with uniform stator and rotor clearance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN86106682A (en) * | 1986-10-11 | 1988-04-20 | 机械工业部沈阳铸造研究所 | White cast-iron and cast steel bimetal composite casting |
| CN2549251Y (en) * | 2002-05-10 | 2003-05-07 | 余世界 | Precisive shaped bimetal bush bearing lining sleeve with lubricant concaves |
| CN102029379A (en) * | 2009-09-29 | 2011-04-27 | 淄博君合专利技术开发有限公司 | Bimetallic combined machining method |
| CN201531426U (en) * | 2009-11-24 | 2010-07-21 | 沈阳华润三洋压缩机有限公司 | Compressor bearing |
| CN102477984A (en) * | 2010-11-26 | 2012-05-30 | 上海日立电器有限公司 | Rotary compressor structure with uniform stator and rotor clearance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111594444A (en) * | 2020-05-21 | 2020-08-28 | 黄石东贝电器股份有限公司 | Vertical rotary compressor |
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| CN105458224B (en) | 2020-02-21 |
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Address after: 201206 Jinqiao Road, Pudong New Area Jinqiao Export Processing Zone, Shanghai, 1051 Applicant after: Shanghai Haili Electrical Appliance Co. Ltd. Address before: 201206 Pudong New Area Jinqiao Export Processing Zone, Nanjing Road, No. 888, Shanghai Applicant before: Rili Electric Appliance Co., Ltd., Shanghai |
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