CN105134604B - The core regulating method of compression mechanical part - Google Patents
The core regulating method of compression mechanical part Download PDFInfo
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- CN105134604B CN105134604B CN201510599135.9A CN201510599135A CN105134604B CN 105134604 B CN105134604 B CN 105134604B CN 201510599135 A CN201510599135 A CN 201510599135A CN 105134604 B CN105134604 B CN 105134604B
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- bent axle
- median septum
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Abstract
The invention discloses a kind of core regulating method of compression mechanical part, compression mechanical part includes：Bent axle, bent axle includes at least one and bent axle main body separate machined in bent axle main body and two eccentric parts, two eccentric parts；Two cylinders and median septum, institute's median septum are located between two cylinders, provided with the piston being enclosed on outside on corresponding eccentric part in each cylinder, median septum support bent axle；Upper end cover and bottom end cover, upper end cover and bottom end cover are respectively provided on two cylinders and are enclosed on outside on bent axle, have gap between upper end cover and bottom end cover and bent axle respectively；Wherein then remaining eccentric part is assembled in bent axle main body, and by two piston jackets on corresponding eccentric part, two cylinders are fixed on median septum by core regulating method for the bent axle main body provided with most one eccentric part first is passed through into median septum.According to the core regulating method assembling operation of the compression mechanical part of the present invention easily, manufacture craft is good, and cost is low.
Description
Technical field
The present invention relates to Compressor Technology field, more particularly to a kind of core regulating method for compression mechanical part.
Background technology
Multi-cylinder rotary compressor compared with single cylinder rotary compressor, generally can 12rps low speed to 120rps
Operating range in operated, operating vibrate it is advantageous.In recent years, in order to tackle large-scale plant, the 10HP of variable-frequency motor is made
The application of level gets along with；Either the reasons such as the effect quickly heated are reached in order to improve heating capacity, therefore many business inside industry
Family's product pursues high rotating speed, i.e., the maximum running speed of compressor is improved, bring up to 150rps from conventional 120rps, very
To 200rps etc..
The vibration of compressor is challenged very much with reliability under such high rotating speed, therefore most of the type product all can
Multicylinder compressor is considered as, the most common are use duplex cylinder compressor.It has torque fluctuations it is small, vibrate small, shafting stress
The characteristics of reduction, single cylinder compressor is compared to, its vibration can be improved with reliability.
But, on the other hand, multi-cylinder rotary compressor is due to the addition of cylinder, and between centers length becomes big, so driving is several
The vibration increase of the bent axle of piston, the problem of bringing wear-out failure.In addition, the centre bore of the median septum possessed between cylinder is in assembling
Process can be by eccentric shaft, so centre bore becomes big, crankshaft eccentric amount limits smaller.While the between centers length (main shaft of bent axle
To the axial length between countershaft) greatly, so rotary vibration is big.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention is carried
Go out a kind of core regulating method of compression mechanical part, easily, manufacture craft is good for the core regulating method assembling operation of the compression mechanical part, and into
This is low.
According to the core regulating method of the compression mechanical part of the present invention, the compression mechanical part includes：Bent axle, the bent axle includes
At least one in bent axle main body and two eccentric parts, described two eccentric parts and the bent axle main body separate machined；Two gas
Cylinder and median septum, institute's median septum are located between described two cylinders, each corresponding described inclined provided with being enclosed on outside in the cylinder
Piston in center portion, the median septum supports the bent axle；Upper end cover and bottom end cover, the upper end cover and bottom end cover difference
It is located on described two cylinders and is enclosed on outside on the bent axle, between the upper end cover and the bottom end cover and the bent axle respectively
With gap；Wherein described core regulating method is first by the bent axle main body provided with most one eccentric part through in described
The remaining eccentric part, is then assembled in the bent axle main body by dividing plate, and by two piston jackets corresponding described
On eccentric part, two cylinders are fixed on the median septum.
According to the core regulating method of the compression mechanical part of the present invention, by being entered on the basis of median septum to upper cylinder and lower cylinder
Row aligning, can solve to limit less problem to the offset of bent axle.And because the bent axle between upper cylinder and lower cylinder has
Median septum is supported, and can reduce the rotary vibration of bent axle, improves the stability of compressor operating.
In addition, the core regulating method of the compression mechanical part of the present invention, manufacturing process simpler in aligning and assembling operation
Good, cost is low.
In addition, can also have technical characteristic additional as follows according to the core regulating method of the compression mechanical part of the present invention：
According to one embodiment of present invention, provided with the auxiliary bearing for supporting the bent axle in the median septum.
According to one embodiment of present invention, the auxiliary bearing is needle bearing.
According to one embodiment of present invention, hot jacket, cold is passed through with the eccentric part of the bent axle main body separate machined
Pressure, welding or key are fastened in the bent axle main body.
According to one embodiment of present invention, the part coordinated with the upper end cover of the bent axle main body is a diameter of
D1, the unilateral gap between the upper end cover and the bent axle main body is the * d1 of △ A, △ A ＞ 2 ‰.
According to one embodiment of present invention, the part coordinated with the bottom end cover of the bent axle main body is a diameter of
D2, the unilateral gap between the bottom end cover and the bent axle main body is the * d2 of △ B, △ B ＞ 2 ‰.
According to one embodiment of present invention, it is fixed on using screw through the upper end cover and accordingly after the cylinder
On the median septum.
According to one embodiment of present invention, it is fixed on using screw through the bottom end cover and accordingly after the cylinder
On the median septum.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is the schematic diagram of compressor according to embodiments of the present invention；
Fig. 2 is the schematic diagram of compression mechanical part according to embodiments of the present invention；
Fig. 3 is the schematic diagram of auxiliary bearing according to embodiments of the present invention；
Fig. 4 is the schematic diagram in a direction of upper cylinder according to embodiments of the present invention；
Fig. 5 is the schematic diagram in another direction of upper cylinder according to embodiments of the present invention；
Fig. 6 is the schematic diagram in a direction of median septum according to embodiments of the present invention；
Fig. 7 is the schematic diagram in another direction of median septum according to embodiments of the present invention；
Fig. 8 is the schematic diagram of bent axle according to an embodiment of the invention；
Fig. 9 is the schematic diagram of lower cylinder according to embodiments of the present invention；
Figure 10 is the schematic diagram of bent axle in accordance with another embodiment of the present invention.
Reference：
Compression mechanical part 100,
Bent axle 110, axle main body 111, upper bent axle main body 111a, lower bent axle main body 111b, eccentric part 112,
Upper cylinder 121, lower cylinder 122, upper piston 123, lower piston 124,
Median septum 130, auxiliary bearing 131,
Upper end cover 140, bottom end cover 150.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of accompanying drawing description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect or can communicate each other；Can be joined directly together, can also be indirectly connected to by intermediary, can be with
It is connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For this area
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
The core regulating method of the compression mechanical part of the embodiment of the present invention is described in detail with reference to Fig. 1 to Figure 10.
The core regulating method of compression mechanical part 100 according to embodiments of the present invention, compression mechanical part 100 includes bent axle 110, two
Individual cylinder (upper cylinder 121, lower cylinder 122)) and median septum 130, upper end cover 140 and bottom end cover 150.
As shown in figs, bent axle 110 is included in bent axle main body 111 and two eccentric parts 112, two eccentric parts 112
At least one and the separate machined of bent axle main body 111.
For example, one of them of two eccentric parts 112 is detachably arranged in bent axle main body 111, or two eccentric parts
112 are all detachably arranged in bent axle main body 111.
As depicted in figs. 1 and 2, median septum 130 is located between two cylinders, and two cylinders include being located on median septum 130
The upper cylinder 121 of side and the lower cylinder 122 positioned at the lower section of median septum 130.
Provided with the piston being enclosed on outside on corresponding eccentric part 112 (for example, being set in upper cylinder 121 in each cylinder
The lower piston 124 of the upper piston 123 of eccentric part 112 and the eccentric part 112 being set in lower cylinder 122), median septum 130 is supported
Bent axle 110.Aligning of the present invention is the gap between regulating piston and cylinder inner wall.
It should be noted that the support bent axle 110 of median septum 130 refers to that bent axle 110 can be rotated on the supporting plate, without
Can be along moving radially.Median septum 130 can contact or be spaced minimum distance with bent axle 110, or median septum 130 passes through branch
Support member (for example, bearing) supports bent axle 110.
Upper end cover 140 and bottom end cover 150 are respectively provided on two cylinders and are enclosed on outside on bent axle 110, and upper end cover 140 is with
There is gap respectively between end cap 150 and bent axle 110.That is, the aligning of upper cylinder 121 and lower cylinder 122 is not with upper end
On the basis of lid 140 and bottom end cover 150, but on the basis of not occurring the median septum 130 of radial displacement with bent axle main body 111 substantially
Carry out aligning.
Thus, it is possible to avoid on median septum 130 be used for through bent axle 110 centre bore it is excessive, to the offset of bent axle 110
Limit less problem.And because the bent axle 110 between upper cylinder 121 and lower cylinder 122 has median septum 130 to support, can drop
The rotary vibration of low bent axle 110, improves the stability of compressor operating.
The core regulating method of the compression mechanical part 100 of the embodiment of the present invention is described below in detail.
The bent axle main body 111 provided with most one eccentric part 112 is passed through into median septum 130 first, then will be remaining inclined
Center portion 112 is assembled in bent axle main body 111, and by two piston jackets on corresponding eccentric part 112, two cylinders are fixed
To realize the aligning to cylinder on median septum 130.
For convenience of description, when now bent axle 110 and median septum 130 being combined together, the bent axle main body of the top of median septum 130
111 are referred to as upper bent axle main body 111a, and the bent axle main body 111 of the lower section of median septum 130 is referred to as lower bent axle main body 111b.
When two eccentric parts 112 one of them be integrally formed with bent axle main body 111 (for example, an eccentric part 112 with it is upper
Bent axle main body 111a is formed in one) when, lower bent axle main body 111b can be passed through median septum 130, be with median septum 130 now
Benchmark, aligning is carried out to upper cylinder 121, then another eccentric part 112 is arranged on lower bent axle main body 111b, to lower cylinder
122 carry out aligning.
Specifically, the first step of suction and discharge aligning is：The lower end of bent axle main body 111 is caused into bent axle through median septum 130
Main body 110 coordinates with median septum 130, and aligning screw is installed in the aligning screw hole of upper cylinder 121, at least bent axle 110,
Upper piston 123, is put into and puts in upper cylinder 121, uses relevant device upper cylinder 121 relative to median septum according to design requirement
130 position is decided, and then tightens aligning screw, realizes the determination in the suction and discharge gap of upper cylinder 121.
The second step of suction and discharge aligning is：Fig. 8 be the structural representation of bent axle 110, lower bent axle main body 111b and another
Eccentric part 112 is separate machined, and after upper cylinder 121 is completed with 130 aligning of median septum, bent axle 110 has already passed through upper cylinder
121st, the inside of median septum 130, links together lower eccentric part 112 and bent axle main body 111, and Fig. 8 is two using key connection
Person links together, and is certainly not limited to this interconnection technique, such as can also be using technologies such as hot jacket, cold pressing, welding lower bias
Axle links together with bent axle main body 111.
3rd step of suction and discharge aligning is：Fig. 9 is the structural representation of lower cylinder 122, also at least three on lower cylinder 122
Hole is planted, a kind of is the connecting hole for connecting bottom end cover 150, and a kind of aligning screw hole for suction and discharge aligning also has one kind
For steam vent；Lower cylinder 122 is placed on the other end of median septum 130, lower piston 124 is at least put into lower cylinder 122
Interior (bent axle 110 is had already passed through inside lower cylinder 122), uses relevant device lower cylinder 122 relative according to design requirement
The position of dividing plate 130 is decided, and thus tightens aligning screw, realizes the determination in the suction and discharge gap of lower cylinder 122；
The suction and discharge aligning of upper and lower cylinder 122 is would have been completed to this, the He of upper end cover 140 then can be covered respectively
Bottom end cover 150, is connected using key screw upper end cover 140 with upper cylinder 121, using key screw bottom end cover 150 and lower cylinder
122 connect.
It is understood that after bent axle main body 111b passes through median septum 130 by under, can also be first by the inclined of separate machined
Center portion 112 is fixed on lower bent axle main body 111b, then carries out aligning to lower cylinder 122, finally upper cylinder 121 is adjusted
Core.
When an eccentric part 112 and lower bent axle main body 111b are integrally formed, during can upper bent axle main body 111a be passed through
Dividing plate 130, now on the basis of median septum 130, carries out aligning to lower cylinder 122, is then arranged on another eccentric part 112
On upper bent axle main body 111a, aligning is carried out to upper cylinder 121.
Specifically, the first step of suction and discharge aligning is：The upper end of bent axle main body 111 is passed through into median septum 130, lower cylinder
122 put together with median septum 130, aligning screw are installed in the aligning screw hole of lower cylinder 122, at least bent axle
110th, lower piston 124, are put into and put in lower cylinder 122, according to design requirement using relevant device lower cylinder 122 relative in every
The position of plate 130 is decided, and thus tightens aligning screw, realizes the determination in the suction and discharge gap of lower cylinder 122.
The second step of suction and discharge aligning is：It is the structural representation of bent axle 110, bent axle main body 111 and upper bias with reference to Figure 10
Axle is separate machined, after lower cylinder 122 and 130 aligning of median septum is completed, bent axle 110 have already passed through lower cylinder 122, in every
The inside of plate 130, links together eccentric part 112 with bent axle main body 111, and Figure 10 is that the two is connected to one using key connection
Rise, be certainly not limited to this interconnection technique, such as can also be using technologies such as hot jacket, cold pressing, welding lower eccentric shaft and bent axle master
Body 111 links together.
3rd step of suction and discharge aligning is：Also at least three kinds holes on upper cylinder 121, one kind is for connecting upper end cover
140 connecting hole, a kind of aligning screw hole for suction and discharge aligning, it is steam vent to also have a kind of；Upper cylinder 121 is placed on
The other end of median septum 130, is at least put into upper piston 123 in upper cylinder 121 that (bent axle 110 has already passed through upper cylinder 121
It is internal), upper cylinder 121 is decided relative to the position of median septum 130 using relevant device according to design requirement, thus tightened
Aligning screw, realizes the determination in the suction and discharge gap of upper cylinder 121；
The suction and discharge aligning of upper and lower cylinder 122 is would have been completed to this, the He of upper end cover 140 then can be covered respectively
Bottom end cover 150, is connected using key screw upper end cover 140 with upper cylinder 121, using key screw bottom end cover 150 and lower cylinder
122 connect.
It is, of course, understood that after upper bent axle main body 111a is passed through into median septum 130, first will can also separately add
The eccentric part 112 of work is fixed on bent axle main body 111a, then carries out aligning to upper cylinder 121, finally lower cylinder 122 is entered
Row aligning.
When two eccentric parts 112 are all with bent axle 111 separate machined of main body, we then can be arbitrarily using above-mentioned several tune
Core order, but one of eccentric shaft first will first be connected and fixed by premise with bent axle main body 111.Specific aligning order
It is substantially the same, no longer repeats one by one here with above-described embodiment.
The core regulating method of compression mechanical part 100 according to embodiments of the present invention, by the basis of median septum 130 to upper gas
Cylinder 121 and lower cylinder 122 carry out aligning, can solve to limit less problem to the offset of bent axle 110.And due to upper cylinder
Bent axle 110 between 121 and lower cylinder 122 has median septum 130 to support, and can reduce the rotary vibration of bent axle 110, improves compression
The stability of machine work.
In addition, the core regulating method of the compression mechanical part 100 of the embodiment of the present invention, simpler in aligning and assembling operation
Single, manufacturing process is good, and cost is low.
In some embodiments of the invention, as shown in Figures 2 and 3, provided with the auxiliary of support bent axle 110 in median septum 130
Help bearing 131.Thus, bent axle 110 can be rotated relative to median septum 130 and can not radially moved, and upper cylinder 121 is with
Cylinder 122 can carry out aligning on the basis of median septum 130.Alternatively, auxiliary bearing is needle bearing.
In some embodiments of the invention, as shown in Fig. 2 the part coordinated with upper end cover 140 of bent axle main body 111
A diameter of d1, the unilateral gap between upper end cover 140 and bent axle main body 111 is the * d1 of △ A, △ A ＞ 2 ‰；
The a diameter of d2 for the part that bent axle main body 111 coordinates with bottom end cover 150, between bottom end cover 150 and bent axle main body 111
Unilateral gap be the * d2 of △ B, △ B ＞ 2 ‰.
Upper end cover 140 and bottom end cover 150 are not support bent axle 110, function only as the effect of seal compression chamber.It is bent
Axle 110 can by median septum 130 and motor section office bearings.
Because the screw for aligning can not bear very big power, therefore complete to upper cylinder 121 and lower cylinder 122
, can be in addition using screw through being fixed on median septum 130 after upper end cover 140 and corresponding cylinder after aligning, equally can be with
It is fixed on after passing through bottom end cover 150 and corresponding cylinder using screw in addition on median septum 130.
It is of course also possible to which screw thread is opened on upper cylinder 121, region of interest is connected, in addition can also
Screw thread is opened on lower cylinder 122, region of interest is connected, present invention is not limited to the above method.
In addition simultaneously, fixed upper end cover 140, the order of bottom end cover 150 are also not limited to this in the present invention, such as, when
, can be next upper end cover 140 and upper cylinder 121 or median septum after the aligning for completing upper cylinder 121 and median septum 130
130 are connected, and specifically fix depending on screwed hole design, can also wait for after the aligning of lower cylinder 122, most with which
Upper end cover 140 and bottom end cover 150 are fixed respectively together afterwards；Similarly, it can be adjusted completing lower cylinder 122 with median septum 130
Bottom end cover 150 is connected after core, after the completion of can also waiting upper cylinder 121 and the aligning of median septum 130, eventually
Upper end cover 140 and bottom end cover 150 are fixed respectively.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (8)
1. a kind of core regulating method of compression mechanical part, it is characterised in that the compression mechanical part includes：
Bent axle, the bent axle includes at least one and the song in bent axle main body and two eccentric parts, described two eccentric parts
Axle main body separate machined；
Two cylinders and median septum, institute's median septum are located between described two cylinders, are provided with each cylinder and are enclosed on phase outside
The piston on the eccentric part answered, the median septum supports the bent axle；
Upper end cover and bottom end cover, the upper end cover and the bottom end cover are respectively provided on described two cylinders and are enclosed on the song outside
On axle, there is gap respectively between the upper end cover and the bottom end cover and the bent axle；
Wherein described core regulating method is that the bent axle main body provided with most one eccentric part first is passed through into the median septum,
Then the remaining eccentric part is assembled in the bent axle main body, and by two piston jackets in the corresponding eccentric part
On, two cylinders are fixed on the median septum；
The core regulating method is specifically included：By the bent axle main body provided with most one eccentric part through in described every
The remaining eccentric part, is then assembled in the bent axle main body by plate；
Two pistons are enclosed on corresponding two eccentric parts outside respectively；
On the basis of the median septum, to one in the upper cylinder and lower cylinder progress aligning, determine its relative to
The position of the median septum is simultaneously fixed on the median septum；
On the basis of the median septum, to another progress aligning in the upper cylinder and the lower cylinder, determine that its is relative
In the position of the median septum and it is fixed on the median septum.
2. the core regulating method of compression mechanical part according to claim 1, it is characterised in that provided with support in the median septum
The auxiliary bearing of the bent axle.
3. the core regulating method of compression mechanical part according to claim 2, it is characterised in that the auxiliary bearing is needle roller axle
Hold.
4. the core regulating method of compression mechanical part according to claim 1, it is characterised in that separately add with the bent axle main body
The eccentric part of work is fastened in the bent axle main body by hot jacket, cold pressing, welding or key.
5. the core regulating method of compression mechanical part according to claim 1, it is characterised in that the bent axle main body with it is described
The a diameter of d1 for the part that upper end cover coordinates, the unilateral gap between the upper end cover and the bent axle main body is △ A, △ A ＞
2‰*d1。
6. the core regulating method of compression mechanical part according to claim 1, it is characterised in that the bent axle main body with it is described
The a diameter of d2 for the part that bottom end cover coordinates, the unilateral gap between the bottom end cover and the bent axle main body is △ B, △ B ＞
2‰*d2。
7. the core regulating method of compression mechanical part according to claim 1, it is characterised in that the upper end is passed through using screw
It is fixed on after lid and the corresponding cylinder on the median septum.
8. the core regulating method of compression mechanical part according to claim 1, it is characterised in that the lower end is passed through using screw
It is fixed on after lid and the corresponding cylinder on the median septum.
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| CN201510599135.9A CN105134604B (en) | 2015-09-17 | 2015-09-17 | The core regulating method of compression mechanical part |
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|---|---|---|---|
| CN201510599135.9A CN105134604B (en) | 2015-09-17 | 2015-09-17 | The core regulating method of compression mechanical part |
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| CN105134604A CN105134604A (en) | 2015-12-09 |
| CN105134604B true CN105134604B (en) | 2017-11-07 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736376B (en) * | 2016-03-10 | 2018-01-19 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN105927539A (en) * | 2016-04-20 | 2016-09-07 | 广东美芝制冷设备有限公司 | Multi-cylinder rotary compressor |
| CN110319017A (en) * | 2019-07-18 | 2019-10-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft group, pump assembly, compressor and heat pump system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH081182B2 (en) * | 1987-02-19 | 1996-01-10 | 株式会社東芝 | 2-cylinder rotary compressor |
| JP5171164B2 (en) * | 2007-08-28 | 2013-03-27 | 東芝キヤリア株式会社 | Rotary compressor, method for manufacturing rotary compressor, and refrigeration cycle apparatus |
| JP2010156364A (en) * | 2008-12-26 | 2010-07-15 | Mitsubishi Electric Corp | Fastening member and rotary compressor |
| KR101601574B1 (en) * | 2011-10-25 | 2016-03-08 | 미쓰비시덴키 가부시키가이샤 | Multi-cylinder rotary compressor and method for joining division plate between compression chambers thereof |
| CN203161538U (en) * | 2012-10-31 | 2013-08-28 | 珠海格力电器股份有限公司 | A thrust structure for a compressor |
| CN203770368U (en) * | 2013-12-30 | 2014-08-13 | 上海日立电器有限公司 | Combined type rolling rotor type compressor crankshaft |
| CN104481880B (en) * | 2014-10-13 | 2018-06-05 | 广东美芝制冷设备有限公司 | For the assembly method of the cylinder assembly of twin-tub rotation-type compressor |
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