CN203348087U - Rotary compressor and rotor assembly thereof - Google Patents
Rotary compressor and rotor assembly thereof Download PDFInfo
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- CN203348087U CN203348087U CN 201320356720 CN201320356720U CN203348087U CN 203348087 U CN203348087 U CN 203348087U CN 201320356720 CN201320356720 CN 201320356720 CN 201320356720 U CN201320356720 U CN 201320356720U CN 203348087 U CN203348087 U CN 203348087U
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Abstract
The utility model discloses a rotary compressor and a rotor assembly thereof. The rotor assembly comprises a rotor, an upper counterbalance and a lower counterbalance, wherein a shaft hole is formed in the rotor; the upper counterbalance and the lower counterbalance are arranged at the top and the bottom of the rotor respectively, and provided with a first circular hole and a second circular hole respectively; the first circular hole, the second circular hole and the shaft hole are coaxial; each of the upper counterbalance and the lower counterbalance comprises an outer column surface, an inner column surface, an upper end face and a lower end face; the inner column surfaces are intersected with the outer column surfaces; directions of the inner column surfaces are opposite to convex directions of the outer column surfaces; the upper end faces are arranged at the tops of the outer column surfaces and the inner column surfaces; and the lower end faces are arranged at the bottoms of the outer column surfaces and the inner column surfaces. When the rotor assembly is used in the rotary compressor, the speed fluctuation of the rotary compressor can be reduced, so that vibration and noise are reduced; fluid noise in a rotary compressor housing is reduced effectively; the mechanical efficiency in the rotary compressor housing is improved; and the rotor assembly is simple in production technique and high in reliability.
Description
Technical field
The utility model relates to the rotary compressor field, relates in particular to a kind of rotor assembly and the rotary compressor with it of rotary compressor.
Background technique
In the compression structure of existing rotary compressor, the imbalance for crankshaft eccentric section and piston in the balance pump housing produce when rotating with compressor, generally be equipped with semiorbicular equilibrium block at the two ends of rotor, plays the purpose that reduces vibration of compressor and noise.
In existing rotary compressor, it is, according to the amount of unbalance of crankshaft eccentric section and piston, the equilibrium block of appropriate mass is installed in the two ends of rotor relevant position that thereby the reduction vibration of compressor reduces the universal means of compressor noise, but the increase along with the equilibrium block quality, its volume also can increase accordingly, the equilibrium block of excessive bulk is along with the change of team of compressor high-speed rotary forms strong flow field disturbance in compressor, thus formation pneumatic noise source; And the air resistance be subject to also can obviously increase, worsen the stressing conditions of the pump housing, thereby increase power consumption and the mechanicalness noise of compressor.
M
d-M＝Ja
ε
Driving moment M for the rotary compressor motor
dconstant normally, but resisting moment M changing with corner, therefore instantaneous driving moment and resisting moment unequal, thus make the pump housing generation fluctuation of speed, thus vibration, noise and the reliability of rotary compressor affected.For thereby reducing the compressor tangential vibrations, the fluctuation of speed that reduces the pump housing reaches the mechanicalness noise produced by it, can increase by the quality that increases equilibrium block the rotary inertia J of compressor, but the quality that increases equilibrium block makes it be greater than that its reasonable value will increase the radial vibration of rotary compressor and by its caused tangential vibrations, and the equilibrium block quality increases the volume increase brought can cause pneumatic noise again, the extra power consumption that mechanicalness noise and suffered resistance increment bring, have a strong impact on efficiency and the reliability of rotary compressor, so the semicircle of prior art annular equilibrium block can not meet high energy efficiency, the designing requirement of low-noise vibrating.
The model utility content
The utility model is intended at least solve one of technical problem existed in prior art.For this reason, a purpose of the present utility model is to propose the rotor assembly of a kind of high energy efficiency and the low rotary compressor of vibrating noise.
Another purpose of the present utility model is to propose a kind of rotary compressor with above-mentioned rotor assembly.
According to the rotor assembly of a kind of rotary compressor of the utility model first aspect embodiment, comprising: rotor has axis hole in described rotor; Upper equilibrium block and lower equilibrium block, described upper equilibrium block and described lower equilibrium block are located at respectively top and the bottom of described rotor, described upper equilibrium block and lower equilibrium block have respectively first circular hole coaxial with described axis hole and the second circular hole, and each in wherein said upper equilibrium block and described lower equilibrium block includes: outer cylinder; Inner cylinder, described inner cylinder intersects with described outer cylinder and is contrary with the protrusion direction of described outer cylinder; Upper-end surface, described upper-end surface is located at the top of described outer cylinder and inner cylinder; Lower end surface, described lower end surface is located at the bottom of described outer cylinder and inner cylinder.
According to rotor assembly of the present utility model, by upper equilibrium block and lower equilibrium block are formed respectively to column structure, make this column structure increase 4～7 times than the quality of equilibrium block of the prior art, thus for rotary compressor the time, effectively to improve the rotary inertia of the pump housing, and can play again the imbalance that in the balance pump housing, crankshaft eccentric section and piston produce when rotating with compressor, thereby thereby the fluctuation of speed that reduces rotary compressor reduces vibration and noise.And adopt upper equilibrium block and the lower equilibrium block of this annulus columniation structure, can reduce because of excessive the brought flow perturbation of its volume and suffered air resistance increase, thereby effectively reduce the fluid noise of rotary compressor enclosure interior and improve its mechanical efficiency.And production technology is simple, reliability is high.In addition, according to rotor assembly of the present utility model applied widely, versatility is high, while using in the compressor required at different technologies, only the equilibrium block with different annular post height need to be installed on rotor and get final product, and other profiles and the size constancy of upper equilibrium block and lower equilibrium block.
In addition, also there is following additional technical feature according to the rotor assembly of rotary compressor of the present utility model:
According to an embodiment of the present utility model, the central angle scope that described outer cylinder is ，Qie Gai cylndrical surface, cylndrical surface is the 90-180 degree.
According to an embodiment of the present utility model, the central angle scope that described inner cylinder is ，Qie Gai cylndrical surface, cylndrical surface is the 90-180 degree.
The rotor assembly of described rotary compressor further comprises: upper head plate, and described upper head plate is located between described upper equilibrium block and described rotor, and described upper head plate forms cylindrical body and has the upper circular hole coaxial with described axis hole; Lower end sheet, described lower end sheet is located between described lower equilibrium block and described rotor, and described lower end sheet forms cylindrical body and has the lower circular hole coaxial with described axis hole.
Thus, by upper head plate and lower end sheet are set, make rotor, upper equilibrium block, lower equilibrium block three reach the effect of the column structure of surfacing after assembling, greatly reduced the suffered windage of rotor assembly, from mechanical efficiency and the efficiency that has improved rotary compressor.In addition, simple in structure, easily manufactured.In addition, while using in the compressor required at different technologies, by upper head plate and lower end sheet with different heights are installed respectively on upper equilibrium block and lower equilibrium block, get final product, applied widely, versatility is high.
According to an embodiment of the present utility model, the outer surface of described upper head plate is concordant with the outer surface of described rotor, and the outer surface of described lower end sheet is concordant with the outer surface of described rotor.
According to an embodiment of the present utility model, the radius R 1a of the outer cylinder of described upper equilibrium block is less than or equal to the radius R 0a of described upper head plate; The radius R 1b of the outer cylinder of described lower equilibrium block is less than or equal to the radius R 0b of described lower end sheet.
According to an embodiment of the present utility model, the center of circle of the outer cylinder of described upper equilibrium block is concentric with the center of circle of described upper head plate; The center of circle of the outer cylinder of described lower equilibrium block is concentric with the center of circle of described lower end sheet.
According to an embodiment of the present utility model, depart from the center of circle of the inner cylinder of described upper equilibrium block and the center of circle of described upper head plate; Depart from the center of circle of the inner cylinder of described lower equilibrium block and the center of circle of described lower end sheet.
Thus, according to rotor assembly of the present utility model, can more effectively improve the rotary inertia of the pump housing, and can play again the imbalance that in the balance pump housing, crankshaft eccentric section and piston produce when rotating with compressor, thereby thereby the fluctuation of speed that reduces rotary compressor reduces vibration and noise.In addition, can also reduce because of excessive the brought flow perturbation of its volume and suffered air resistance increase, thereby more effectively reduce the fluid noise of rotary compressor enclosure interior and improve its mechanical efficiency.
According to an embodiment of the present utility model, described upper head plate is one-body molded with described upper equilibrium block or be fixedly connected with, and described lower end sheet is one-body molded with described lower equilibrium block or be fixedly connected with.Like this, simple in structure, easily manufactured.
According to an embodiment of the present utility model, the equal diameters of the upper circular hole of described upper head plate and the first circular hole of described upper equilibrium block and communicating with each other; The equal diameters of the lower circular hole of described lower end sheet and the second circular hole of described lower equilibrium block and communicating with each other.
According to an embodiment of the present utility model, each in described upper equilibrium block and described lower equilibrium block is all about the center of circle of its described inner cylinder and place, the center of circle line symmetry of described outer cylinder.
According to an embodiment of the present utility model, described inner cylinder comprises the multistage cylndrical surface, and described multistage cylndrical surface is adjacent to each other and arranges and its center of circle lays respectively on same circumference.
According to an embodiment of the present utility model, the shape of described upper equilibrium block and described lower equilibrium block is identical and size is different.
A kind of rotary compressor according to the utility model second aspect embodiment, comprise the rotor assembly according to the described rotary compressor of the utility model first aspect embodiment.
According to rotor assembly of the present utility model and there is the compressor of this rotor assembly, can effectively improve compressor rotary inertia, reduce the fluctuation of speed, reduce greatly the noise of compressor.And can improve significantly flow perturbation in compressor, and reduce windage, improve mechanical efficiency.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
The accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming embodiment's description in conjunction with following accompanying drawing, wherein:
Fig. 1 is the explosive view according to the rotor assembly of the utility model embodiment's rotary compressor;
Fig. 2 is the sectional view of the rotor assembly shown in Fig. 1;
Fig. 3 is an embodiment's the upper equilibrium block of the rotor assembly shown in Fig. 1 or the schematic diagram of lower equilibrium block;
Fig. 4 is the upper equilibrium block shown in Fig. 3 or the plan view of lower equilibrium block;
Fig. 5 is another embodiment's of the rotor assembly shown in Fig. 1 the schematic diagram of upper equilibrium block;
Fig. 6 is the schematic diagram according to the utility model embodiment's rotary compressor.
Reference character:
100, rotor assembly;
1, rotor; 10, axis hole;
2a, upper equilibrium block; 20a, the first circular hole;
2b, lower equilibrium block; 20b, the second circular hole;
21, outer cylinder; R1a(b), upper (under) radius of the outer cylinder of equilibrium block;
O1a(b), upper (under) center of circle of the outer cylinder of equilibrium block;
22, inner cylinder; R2a(b), upper (under) radius of the inner cylinder of equilibrium block;
O2a(b), upper (under) center of circle of the inner cylinder of equilibrium block;
23, upper-end surface;
3a, upper head plate; 30a, upper circular hole; 3b, lower end sheet; 30b, lower circular hole;
R3a(b), upper (under) radius of end plate;
O3a(b), upper (under) center of circle of end plate;
200, compressor case; 300, liquid-storage container; 400, the pump housing; 500, motor;
600, crankshaft eccentric section; 700, piston
Embodiment
Below describe embodiment of the present utility model in detail, described embodiment's example is shown in the drawings, and wherein same or similar label means same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment who is described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, orientation or the position relationship of the indications such as term " " center ", " vertically ", " laterally ", " on ", D score, " top ", " end ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; rather than the device of indication or hint indication or element must have specific orientation, with specific orientation structure and operation, so can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " be only for describing purpose, 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 present utility model, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be directly to be connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
At first the rotary compressor of describing according to the utility model embodiment with reference to figure 6.
According to rotary compressor of the present utility model, comprise: compressor case 200, liquid-storage container 300, the pump housing 400, motor 500 and rotor assembly 100, wherein rotor assembly will be described below in detail.There is crankshaft eccentric section 600 and piston 700 in the pump housing 400.
Be all known according to each configuration example of the utility model embodiment's rotary compressor for those of ordinary skills as the annexation between compressor case 200, liquid-storage container 300, the pump housing 400, motor 500 and rotor assembly 100 and running relation and operation, be not described in detail here.
Describe the rotor assembly 100 according to a kind of rotary compressor of the utility model embodiment in detail below with reference to Fig. 1-Fig. 5, this rotor assembly 100 is used in rotary compressor.
As depicted in figs. 1 and 2, have axis hole 10a in rotor 1, upper equilibrium block 2a and lower equilibrium block 2b are located at respectively top and the bottom of rotor 1, and upper equilibrium block 2a and lower equilibrium block 2b have respectively the first circular hole 20a coaxial with axis hole 10a and the second circular hole 20b.
As shown in Figure 3 and Figure 4, each wherein going up in equilibrium block 2a and lower equilibrium block 2b includes: outer cylinder 21, inner cylinder 22,23He lower end surface, upper-end surface (scheming not shown), inner cylinder 22 intersects with outer cylinder 21 and is contrary with the protrusion direction of outer cylinder 21.Upper-end surface 23 is located at the top of outer cylinder 21 and inner cylinder 22, and lower end surface is located at the bottom of outer cylinder 21 and inner cylinder 22.That is to say, upper equilibrium block 2a and lower equilibrium block 2b form respectively column structure, and this column structure increases 4～7 times than the quality of equilibrium block of the prior art.
According to rotor assembly 100 of the present utility model, by upper equilibrium block 2a and lower equilibrium block 2b are formed respectively to column structure, make this column structure increase 4～7 times than the quality of equilibrium block of the prior art, thus for rotary compressor the time, effectively to improve the rotary inertia of the pump housing 400, and can play again the imbalance that in the balance pump housing 400, crankshaft eccentric section 600 and piston 700 produce when rotating with compressor, thereby thereby the fluctuation of speed that reduces rotary compressor reduces vibration and noise.And adopt upper equilibrium block 2a and the lower equilibrium block 2b of this annulus columniation structure, can reduce because of excessive the brought flow perturbation of its volume and suffered air resistance increase, thereby effectively reduce the fluid noise of rotary compressor enclosure interior and improve its mechanical efficiency.And production technology is simple, reliability is high.In addition, according to rotor assembly of the present utility model applied widely, versatility is high, while using in the compressor required at different technologies, only the equilibrium block with different annular post height need to be installed on rotor and get final product, and other profiles and the size constancy of upper equilibrium block 2a and lower equilibrium block 2b.
In an embodiment of the present utility model, the central angle scope that outer cylinder 21 is ，Qie Gai cylndrical surface, cylndrical surface is the 90-180 degree.So-called cylinder wherein, those skilled in the art are appreciated that cylinder is defined as straight line and determines the formed curved surface of curve parallel along one, wherein determine the directrix that curve is called cylinder, when this directrix is bowlder, the gained cylinder is called cylndrical surface.Thus, in rotor assembly 100 of the present utility model, the outer cylinder of upper equilibrium block 2a and lower equilibrium block 2b is that straight line is the 90-180 degree around central angle the arc parallel is formed, as shown in Figure 3 and Figure 4.
According to an embodiment of the present utility model, the central angle scope that inner cylinder 22 is ，Qie Gai cylndrical surface, cylndrical surface is the 90-180 degree.That is to say, the arc parallel that inner cylinder 22 is also is the 90-180 degree by straight line around central angle is formed, as shown in Figure 3 and Figure 4.Certainly, the utility model is not limited to this, inner cylinder 22 can also be other forms of cylinder, for example, in example as shown in Figure 5, above equilibrium block 2a and upper head plate 3a are that example describes, inner cylinder 22 can comprise the multistage cylndrical surface, and the multistage cylndrical surface is adjacent to each other and arranges and its center of circle lays respectively on same circumference, and for example the center of circle of multistage cylndrical surface is all on the imaginary circles C as in Fig. 5.That is to say, in this embodiment, inner cylinder 22 is that the arc parallel be adjacent to each other around multistage by straight line is resulting.
For convenience of description, in the following description, the inner cylinder 22 of will be all take describes as cylndrical surface as example, with reference to figure 3 and Fig. 4.
According to embodiments more of the present utility model, rotor assembly 100 further comprises: upper head plate 3a and lower end sheet 3b.As depicted in figs. 1 and 2, upper head plate 3a is located between equilibrium block 2a and rotor 1, and upper head plate 3a forms cylindrical body and has the upper circular hole 30a coaxial with axis hole 10a, that is, upper head plate 3a is arranged between the upper-end surface of the lower end surface of equilibrium block 2a and rotor 1.Lower end sheet 3b is located between lower equilibrium block 2b and rotor 1, and lower end sheet 3b forms cylindrical body and has the lower circular hole 30b coaxial with axis hole 10a.That is, lower end sheet 3b is arranged between the lower end surface of the upper-end surface 23 of lower equilibrium block 2b and rotor 1, as shown in Figure 2.
Thus, by upper head plate 3a and lower end sheet 3b are set, make rotor 1, upper equilibrium block 2a, lower equilibrium block 2b three reach the effect of the column structure of surfacing after assembling, greatly reduced the suffered windage of rotor assembly, from mechanical efficiency and the efficiency that has improved rotary compressor.In addition, simple in structure, easily manufactured.In addition, while using in the compressor required at different technologies, by upper head plate 3a and lower end sheet 3b with different heights are installed respectively on upper equilibrium block 2a and lower equilibrium block 2b, get final product, applied widely, versatility is high.
Preferably, the outer surface of upper head plate 3a is concordant with the outer surface of rotor 1, and the outer surface of lower end sheet 3b is concordant with the outer surface of rotor 1, that is to say, the external diameter of upper head plate 3a is identical with the external diameter of rotor 1, and the external diameter of lower end sheet 3b is identical with the external diameter of rotor 1, as depicted in figs. 1 and 2.
As shown in Figure 3 and Figure 4, in preferred embodiments more of the present utility model, the radius R 1a of the outer cylinder 21 of upper equilibrium block 2a is less than or equal to the radius R 0a of upper head plate 3a, and the radius R 1b of the outer cylinder 21 of lower equilibrium block 2b is less than or equal to the radius R 0b of lower end sheet 3b.Further, the center of circle O1a of the outer cylinder 21 of upper equilibrium block 2a is concentric with the center of circle O3a of upper head plate 3a, and the center of circle O1b of the outer cylinder 21 of lower equilibrium block 2b is concentric with the center of circle O3b of lower end sheet 3b.In addition, the center of circle O2a of the inner cylinder 22 of upper equilibrium block 2a and the center of circle O3a of upper head plate 3a depart from, and the center of circle O2b of the inner cylinder 22 of lower equilibrium block 2b and the center of circle O3b of lower end sheet 3b depart from.
Thus, according to rotor assembly of the present utility model, can more effectively improve the rotary inertia of the pump housing 400, and can play again the imbalance that in the balance pump housing 400, crankshaft eccentric section 600 and piston 700 produce when rotating with compressor, thereby thereby the fluctuation of speed that reduces rotary compressor reduces vibration and noise.In addition, can also reduce because of excessive the brought flow perturbation of its volume and suffered air resistance increase, thereby more effectively reduce the fluid noise of rotary compressor enclosure interior and improve its mechanical efficiency.
Alternatively, as shown in Figure 3 and Figure 4, upper head plate 3a and upper equilibrium block 2a are one-body molded, and lower end sheet 3b and lower equilibrium block 2b are one-body molded, like this, simple in structure, easily manufactured.Certainly, the utility model is not limited to this, upper head plate 3a and upper equilibrium block 2a can also be bolted, welding, the variety of way such as bonding are fixed connection, similarly, lower end sheet 3b and lower equilibrium block 2b also can also be bolted, welding, the variety of way such as bonding be fixed connection.
In addition, with reference to figure 1 and Fig. 2, upper head plate 3a, upper equilibrium block 2a, lower end sheet 3b and lower equilibrium block 2b are bolted respectively to rotor 1.In when assembling, as long as be riveted on rotor 2 with the upper equilibrium block 2a of upper head plate 3a with the lower equilibrium block 2b of lower end sheet 3b, assembling simply, with low cost.
In preferred embodiments more of the present utility model, as shown in Figure 2, the equal diameters of the upper circular hole 30a of upper head plate 3a and the first circular hole 20a of upper equilibrium block 2a and communicating with each other, the equal diameters of the lower circular hole 30b of lower end sheet 3b and the second circular hole 20b of lower equilibrium block 2b and communicating with each other.Certainly, the diameter of the upper circular hole 30a of upper head plate 3a and the first circular hole 20a of upper equilibrium block 2a also can be unequal, and as shown in Figure 3 and Figure 4, same, the diameter of the lower circular hole 30b of lower end sheet 3b and the second circular hole 20b of lower equilibrium block 2b also can be unequal for example.
According to other preferred embodiments of the present utility model, each in upper equilibrium block 2a and lower equilibrium block 2b is all about the center of circle of its inner cylinder 22 and place, the center of circle line symmetry of outer cylinder 21.Particularly, upper equilibrium block 2a is about the line symmetry at the O1a place, the center of circle of the center of circle O2a of its inner cylinder 22 and outer cylinder 21, and lower equilibrium block 2b is about the line symmetry at the O1b place, the center of circle of the center of circle O2b of its inner cylinder 22 and outer cylinder 21.
Due in some cases, the suffered windage of equilibrium block in the top and bottom of rotor 1 is different, so preferably, the shape of upper equilibrium block 2a and lower equilibrium block 2b is identical and size is different.That is to say, the size of upper equilibrium block 2a and lower equilibrium block 2b can be according to the Proportionality design needed under concrete condition.In addition, according to rotor assembly of the present utility model, after assembling, whole rotor assembly forms the ring cylinder of a surfacing, and each seamed edge seamlessly transits by rounding.
According to rotor assembly of the present utility model and there is the compressor of this rotor assembly, can effectively improve compressor rotary inertia, reduce the fluctuation of speed, reduce greatly the noise of compressor.And can improve significantly flow perturbation in compressor, and reduce windage, improve mechanical efficiency.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiments or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present utility model and aim can be carried out multiple variation, modification, replacement and modification to these embodiments, scope of the present utility model is limited by claim and equivalent thereof.
Claims (14)
1. the rotor assembly of a rotary compressor, is characterized in that, comprising:
Rotor, have axis hole in described rotor;
Upper equilibrium block and lower equilibrium block, described upper equilibrium block and described lower equilibrium block are located at respectively top and the bottom of described rotor, described upper equilibrium block and lower equilibrium block have respectively first circular hole coaxial with described axis hole and the second circular hole, and each in wherein said upper equilibrium block and described lower equilibrium block includes:
Outer cylinder;
Inner cylinder, described inner cylinder intersects with described outer cylinder and is contrary with the protrusion direction of described outer cylinder;
Upper-end surface, described upper-end surface is located at the top of described outer cylinder and inner cylinder;
Lower end surface, described lower end surface is located at the bottom of described outer cylinder and inner cylinder.
2. the rotor assembly of rotary compressor according to claim 1, is characterized in that, the central angle scope that described outer cylinder is ，Qie Gai cylndrical surface, cylndrical surface is the 90-180 degree.
3. the rotor assembly of rotary compressor according to claim 2, is characterized in that, the central angle scope that described inner cylinder is ，Qie Gai cylndrical surface, cylndrical surface is the 90-180 degree.
4. the rotor assembly of rotary compressor according to claim 3, is characterized in that, further comprises:
Upper head plate, described upper head plate is located between described upper equilibrium block and described rotor, and described upper head plate forms cylindrical body and has the upper circular hole coaxial with described axis hole;
Lower end sheet, described lower end sheet is located between described lower equilibrium block and described rotor, and described lower end sheet forms cylindrical body and has the lower circular hole coaxial with described axis hole.
5. the rotor assembly of rotary compressor according to claim 4, is characterized in that, the outer surface of described upper head plate is concordant with the outer surface of described rotor, and the outer surface of described lower end sheet is concordant with the outer surface of described rotor.
6. the rotor assembly of rotary compressor according to claim 5, is characterized in that, the radius R 1a of the outer cylinder of described upper equilibrium block is less than or equal to the radius R 0a of described upper head plate;
The radius R 1b of the outer cylinder of described lower equilibrium block is less than or equal to the radius R 0b of described lower end sheet.
7. the rotor assembly of rotary compressor according to claim 6, is characterized in that, the center of circle of the outer cylinder of described upper equilibrium block is concentric with the center of circle of described upper head plate;
The center of circle of the outer cylinder of described lower equilibrium block is concentric with the center of circle of described lower end sheet.
8. the rotor assembly of rotary compressor according to claim 5, is characterized in that, depart from the center of circle of the inner cylinder of described upper equilibrium block and the center of circle of described upper head plate;
Depart from the center of circle of the inner cylinder of described lower equilibrium block and the center of circle of described lower end sheet.
9. the rotor assembly of rotary compressor according to claim 4, is characterized in that, described upper head plate is one-body molded with described upper equilibrium block or be fixedly connected with, and described lower end sheet is one-body molded with described lower equilibrium block or be fixedly connected with.
10. the rotor assembly of rotary compressor according to claim 9, is characterized in that, the equal diameters of the upper circular hole of described upper head plate and the first circular hole of described upper equilibrium block and communicating with each other;
The equal diameters of the lower circular hole of described lower end sheet and the second circular hole of described lower equilibrium block and communicating with each other.
11. the rotor assembly according to the described rotary compressor of any one in claim 3-10, is characterized in that, each in described upper equilibrium block and described lower equilibrium block is all about the center of circle of its described inner cylinder and place, the center of circle line symmetry of described outer cylinder.
12. the rotor assembly of rotary compressor according to claim 2, is characterized in that, described inner cylinder comprises the multistage cylndrical surface, and described multistage cylndrical surface is adjacent to each other and arranges and its center of circle lays respectively on same circumference.
13. the rotor assembly of rotary compressor according to claim 1, is characterized in that, the shape of described upper equilibrium block and described lower equilibrium block is identical and size is different.
14. a rotary compressor, is characterized in that, comprises the rotor assembly according to the described rotary compressor of any one in claim 1-13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320356720 CN203348087U (en) | 2013-06-19 | 2013-06-19 | Rotary compressor and rotor assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320356720 CN203348087U (en) | 2013-06-19 | 2013-06-19 | Rotary compressor and rotor assembly thereof |
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| Publication Number | Publication Date |
|---|---|
| CN203348087U true CN203348087U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320356720 Withdrawn - After Issue CN203348087U (en) | 2013-06-19 | 2013-06-19 | Rotary compressor and rotor assembly thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527486A (en) * | 2013-06-19 | 2014-01-22 | 广东美芝精密制造有限公司 | Rotary type compressor and rotor assembly thereof |
-
2013
- 2013-06-19 CN CN 201320356720 patent/CN203348087U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527486A (en) * | 2013-06-19 | 2014-01-22 | 广东美芝精密制造有限公司 | Rotary type compressor and rotor assembly thereof |
| CN103527486B (en) * | 2013-06-19 | 2016-08-31 | 广东美芝精密制造有限公司 | Rotary compressor and rotor assembly thereof |
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