CN205377551U - Rotor subassembly and motor, compressor that have it - Google Patents
Rotor subassembly and motor, compressor that have it Download PDFInfo
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- CN205377551U CN205377551U CN201620100311.XU CN201620100311U CN205377551U CN 205377551 U CN205377551 U CN 205377551U CN 201620100311 U CN201620100311 U CN 201620100311U CN 205377551 U CN205377551 U CN 205377551U
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- balance weight
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- fan housing
- rotor assembly
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Abstract
The utility model discloses a rotor subassembly and motor, compressor that have it, wherein, the rotor subassembly includes: rotor core, the balancing piece, the balancing piece is established rotor core's tip, the balancing piece fan housing, the balancing piece fan housing is established rotor core's tip is just neighbouring the balancing piece, the balancing piece fan housing is in rotor core's the ascending outer wall in footpath with the balancing piece is in rotor core's the ascending outer wall in footpath forms respectively to curved surface and rounding off each other. According to the utility model discloses the rotor subassembly through the tip setting at rotor core and balancing piece complex balancing piece fan housing, can reduce the balancing piece to the disturbance of air current effectively, is favorable to reducing the oil mass of telling of compressor to promote the efficiency of compressor, the convenience is installed and removed to the simple structure of this rotor subassembly, compactness, and the reliability is high.
Description
Technical field
This utility model relates to Compressor Technology field, more particularly, to a kind of rotor assembly and have its motor, compressor.
Background technology
In correlation technique, rotary compressor is the eccentric out-of-balance force of balance and unbalanced moments, is respectively provided with balance weight and lower balance weight in rotor upper/lower terminal face, and upper and lower balance weight is symmetrical is exposed at rotor upper/lower terminal.When the rotor rotates, the high-voltage high-speed coolant that upper and lower balance weight and compression chamber are discharged impacts, and causes strong turbulent flow, can lose the kinetic energy of rotor.Simultaneously because casing internal air velocity distribution worsens, easily make big lubricating oil droplet rupture, the refrigerator oil within compressor is caused very easily to discharge outside compressor with aerofluxus, cause the internal oil mass disappearance of compressor, the sealing state of pressure texture worsens, reduce compressor performance, even because of lack of lubrication, reduce the reliability of compressor.
Utility model content
One of technical problem that this utility model is intended to solve in correlation technique at least to a certain extent.For this, the utility model proposes a kind of rotor assembly, the simple in construction of this rotor assembly, compact, it is possible to effectively to reduce the balance weight disturbance to air-flow, be beneficial to the performance promoting compressor.
This utility model also proposes a kind of have the motor of above-mentioned rotor assembly, compressor.
Rotor assembly according to this utility model first aspect, including: rotor core；Balance weight, described balance weight is located at the end of described rotor core；Balance weight fan housing, described balance weight fan housing is located at the end of described rotor core and contiguous described balance weight, and described balance weight fan housing is respectively formed as curved surface and rounding off each other at outside wall surface radially and the described balance weight of described rotor core in the outside wall surface radially of described rotor core.
Rotor assembly according to this utility model embodiment, by arranging the balance weight fan housing coordinated with balance weight in the end of rotor core, the balance weight disturbance to air-flow can be effectively reduced, what advantageously reduce compressor tells oil mass, thus promoting the efficiency of compressor, the simple in construction of this rotor assembly, compact, mounting or dismounting are convenient, and reliability is high.
It addition, according to rotor assembly of the present utility model, it is also possible to there is following additional technical characteristic:
According to an embodiment of the present utility model, described balance weight includes two, and two described balance weights are respectively provided at the two ends of described rotor core, and at least one end of described rotor core is provided with described balance weight fan housing.
According to an embodiment of the present utility model, described balance weight fan housing includes: base plate, and described base plate is connected with the end of described rotor core；Side plate, described side plate is located on described base plate and is connected with the outer edge of described base plate, and the outside wall surface of the outside wall surface of described side plate and described balance weight forms the curved surface smoothly transitted respectively.
According to an embodiment of the present utility model, described side plate forms non-closed arc.
According to an embodiment of the present utility model, described sole shape becomes the central axes of arc, the central axis of described rotor core and described base plate.
According to an embodiment of the present utility model, the outside wall surface of described balance weight is formed as circular arc, and the outside wall surface of described balance weight fan housing is formed as circular arc.
According to an embodiment of the present utility model, described sole shape becomes annular plate or the circular arc plate equal with the radian of described side plate.
According to an embodiment of the present utility model, the external diameter of described rotor core is r0, and the external diameter of described balance weight is r, and the outside dimension of described balance weight outer housing is R, 0.6r0 < R≤r.
According to an embodiment of the present utility model, described base plate and described side plate are formed in one part.
According to an embodiment of the present utility model, also including rotor end plates, described rotor end plates is located between described balance weight and described rotor core, and described balance weight fan housing is connected with described rotor end plates respectively with described balance weight.
According to an embodiment of the present utility model, described balance weight fan housing and described rotor end plates are formed in one part.
Motor according to this utility model second aspect, including the rotor assembly according to above-described embodiment.
Compressor according to this utility model third aspect, including the motor according to above-described embodiment.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become apparent from the description below, or is recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rotor assembly according to one embodiment of this utility model；
Fig. 2 is the structural representation of the rotor assembly according to another embodiment of this utility model；
Fig. 3 is the structural representation of the rotor assembly according to another embodiment of this utility model；
Fig. 4 is the structural representation of the balance weight fan housing of the rotor assembly according to one embodiment of this utility model；
Fig. 5 is the structural representation of the balance weight fan housing of the rotor assembly according to another embodiment of this utility model；
Fig. 6 is the structural representation of the compressor according to this utility model embodiment.
Accompanying drawing labelling:
1: compressor；
10: motor；
11: rotor assembly；
111: rotor core；
112: balance weight；
113: balance weight fan housing；1131: base plate；1132: side plate；
114: rotor end plates；
20: bent axle；
30: cylinder；
40: piston；
50: reservoir；
60: casing；61: hold chamber.
Detailed description of the invention
Being described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings.The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.
The rotor assembly 11 according to this utility model first aspect embodiment is specifically described below in conjunction with accompanying drawing 1 to Fig. 5.
Rotor assembly 11 according to this utility model embodiment includes rotor core 111, balance weight 112 and balance weight fan housing 113.Specifically, balance weight 112 is located at the end of rotor core 111, balance weight fan housing 113 is located at the end of rotor core 111 and contiguous balance weight 112, and balance weight fan housing 113 is respectively formed as curved surface and rounding off each other at outside wall surface radially and the balance weight 112 of rotor core 111 in the outside wall surface radially of rotor core 111.
In other words, this rotor assembly 11 is mainly made up of rotor core 111, balance weight 112 and balance weight fan housing 113.Wherein, rotor core 111 vertically (above-below direction as shown in Figure 1) extends, balance weight 112 is located at the end of rotor core 111 to correct balance, and balance weight fan housing 113 is also provided in the end of rotor core 111 and is oppositely arranged with balance weight 112 vicinity.
Specifically, if rotor core 111 only one end arranges balance weight 112, this position need to arrange the balance weight fan housing 113 coordinated with balance weight 112, advantageously reduces the balance weight 112 disturbance to air-flow；If the two ends of rotor core 111 are equipped with balance weight 112, namely the upper surface of rotor core 111 and lower surface are respectively provided with balance weight 112, alternatively, balance weight fan housing 113 can be simultaneously located at the upper and lower end face of rotor core 111 and coordinate with the balance weight 112 on correspondence position, the upper surface of rotor core 111 or the lower surface of rotor core 111 can also be provided separately within, such that it is able to the disturbance that the balance weight 112 improved at least one end of rotor core 111 is to air-flow.Wherein, the outer side surface of the outer side surface of balance weight fan housing 113 and rotor core 111 forms curved surface respectively, and the coupling part of the side wall surface of the outside wall surface of the side plate 1132 of balance weight fan housing 113 and balance weight 112 smoothly transits.
Thus, rotor assembly 11 according to this utility model embodiment, by arranging the balance weight fan housing 113 coordinated with balance weight 112 in the end of rotor core 111, the balance weight 112 disturbance to air-flow can be effectively reduced, what advantageously reduce compressor 1 tells oil mass, thus promoting the efficiency of compressor 1, the simple in construction of this rotor assembly 11, compact, mounting or dismounting are convenient, and reliability is high.
In detailed description of the invention more of the present utility model, balance weight 112 includes two, and two balance weights 112 are respectively provided at the two ends of rotor core 111, and at least one end of rotor core 111 is provided with balance weight fan housing 113.It is to say, this rotor assembly 11 is mainly made up of 111, two balance weights 112 of rotor core and at least one balance weight fan housing 113.
As shown in Figure 1, in the present embodiment, the upper surface of rotor core 111 and lower surface are respectively equipped with a balance weight 112, and the outer edge of each balance weight 112 adjacent rotor iron core 111 is arranged, and further respectively has the balance weight fan housing 113 relative with balance weight 112 on the two ends of rotor core 111.With reference to Fig. 2, the upper surface of rotor core 111 is respectively equipped with balance weight 112 positioned opposite and balance weight 112 outer housing, and the lower surface of rotor core 111 is provided only with balance weight 112.With reference to Fig. 3, the lower surface of rotor core 111 is respectively equipped with balance weight 112 positioned opposite and balance weight 112 outer housing, and the upper surface of rotor core 111 is provided with a balance weight 112.
Balance weight fan housing 113 and balance weight 112 are fixed on the upper/lower terminal face of rotor core 111 respectively through fixture, and specifically, fixture is each passed through balance weight fan housing 113, balance weight 112 is connected with rotor core 111.Alternatively, fixing can be rivet, and namely balance weight fan housing 113 and balance weight 112 are riveted together with rotor core 111 respectively, it is prevented that rotor core 111 loosens when rotated, it is ensured that compressor 1 reliability service.
Thus, by arranging the balance weight fan housing 113 coordinated with balance weight 112 in the upper end of rotor core 111, can effectively improve the flow field state of this position, reduce turbulence state, make big lubricating oil drop and cold media gas normal separation, thus the inwall along casing 60 is back in the oil sump of compressor 1.By arranging balance weight fan housing 113 in the lower end of rotor core 111, the windward side that can avoid balance weight 112 is directly collided with high-voltage high-speed cold media gas, improve the air motion of this local location, simultaneously, owing to windage when balance weight 112 rotates reduces, can be reduced the power consumption of motor 10, and then promote the performance of compressor 1.
Wherein, according to an embodiment of the present utility model, balance weight fan housing 113 includes base plate 1131 and side plate 1132.Specifically, base plate 1131 is connected with the end of rotor core 111, and side plate 1132 is located on base plate 1131 and is connected with the outer edge of base plate 1131, and the outside wall surface of the outside wall surface of side plate 1132 and balance weight 112 forms the curved surface smoothly transitted respectively.
In other words, this balance weight fan housing 113 is mainly made up of base plate 1131 and side plate 1132.Wherein, base plate 1131 forms in the horizontal direction the surface plate that (radial direction of rotor core 111) extends, side plate 1132 forms vertically the curved slab that (rotor core 111 axial) extends, and the lower end of side plate 1132 is connected to be combined into balance weight fan housing 113 with the outer edge of base plate 1131.If balance weight fan housing 113 is arranged on the end of rotor core 111, the base plate 1131 of balance weight fan housing 113 is connected with rotor core 111, and makes the outside wall surface of side plate 1132 of balance weight fan housing 113 smoothly transit with the coupling part of the side wall surface of balance weight 112.
Thus, by the outside wall surface of the side plate 1132 of balance weight 112 outer housing and the outside wall surface of balance weight 112 are formed the curved surface smoothly transitted respectively, can more effectively reduce the balance weight 112 disturbance to air-flow, be more beneficial for reducing the oil mass of telling of compressor 1, and then promote the efficiency of compressor 1.
Alternatively, according to an embodiment of the present utility model, side plate 1132 forms non-closed arc.So that the outside wall surface of side plate 1132 is in smoothing junction with the outside wall surface of balance weight 112, more efficiently reduce the balance weight 112 disturbance to air-flow, advantageously reduce the oil mass of telling of compressor 1, and then promote the efficiency of compressor 1.
According to an embodiment of the present utility model, base plate 1131 is formed as the central axes of arc, the central axis of rotor core 111 and base plate 1131.It is to say, the outer contour of the base plate 1131 of balance weight fan housing 113 forms arc and the central axes of the central axis of this base plate 1131 and rotor core 111, simple in construction, processing, easy to manufacture.Preferably, the outside wall surface of balance weight 112 is formed as circular arc, and the outside wall surface of balance weight fan housing 113 is formed as circular arc.Simple in construction, processing, easy to manufacture, be conducive to improving the assembling of this rotor assembly 11, production efficiency.
In detailed description of the invention more of the present utility model, base plate 1131 is formed as annular plate.With reference to Fig. 4, the base plate 1131 of balance weight fan housing 113 forms annular plate, and the outer contour of the side plate 1132 of balance weight fan housing 113 forms the circular arc corresponding with the outer contour shape of base plate 1131, in other detailed description of the invention of the present utility model, base plate 1131 forms the circular arc plate equal with the radian of side plate 1132.With reference to Fig. 5, the outer contour of the side plate 1132 of balance weight fan housing 113 forms the circular arc of non-closed, and the base plate 1131 of balance weight fan housing 113 forms the circular arc plate equal with the radian of side plate 1132 outer contour.
Wherein, the external diameter of rotor core 111 is r0, and the external diameter of balance weight 112 is r, and the outside dimension of balance weight 112 outer housing is R, 0.6r0 < R≤r.Specifically, as shown in Figure 1, rotor core 111 be respectively arranged at two ends with a balance weight 112 up and down, the close position of each balance weight 112 is provided with balance weight fan housing 113, wherein, the external diameter of rotor core 111 is r0, the external diameter of the balance weight 112 being positioned on the upper end of rotor core 111 is r1, the external diameter of the balance weight 112 being positioned on the lower end of rotor core 111 is r2, and the outside dimension of the balance weight fan housing 113 coordinated with two balance weights 112 is R, rotor core 111, the external diameter of balance weight 112 and balance weight fan housing 113 meets relational expression: 0.6r0≤R≤r1, 0.6r0≤R≤r2.
Thus, by the contour line of the contour line of the lateral wall of balance weight outer housing 113 and the lateral wall of balance weight 112 is processed into circular arc, be conducive to coordinating of balance weight 112 and balance weight outer housing 113, it is convenient for size design, thus being effectively reduced flow perturbation, and rotor assembly 11 simple in construction of this structure, processing, easy to manufacture.
In concrete examples more of the present utility model, the external diameter of balance weight 112 outer housing is equal to the external diameter of balance weight 112, i.e. the circle of the outer contour composition Guan Bi of the outer contour of balance weight 112 outer housing and balance weight 112, and simple in construction is easy to manufacture, aesthetic in appearance.Thus, rotor assembly 11 according to this utility model embodiment, by arranging the balance weight fan housing 113 coordinated with balance weight 112 in the end of rotor core 111, can more effectively reducing the balance weight 112 disturbance to air-flow, what advantageously reduce compressor 1 tells oil mass, thus promoting the efficiency of compressor 1, the simple in construction of this rotor assembly 11, compact, processing, easy to manufacture, mounting or dismounting are convenient, and reliability is high.
Preferably, according to an embodiment of the present utility model, base plate 1131 and side plate 1132 are formed in one part.Thus, integral part of structure is possible not only to ensure the properity stability of balance weight fan housing 113, and facilitate molding, manufacture simply, and eliminate unnecessary assembly parts and connect operation, substantially increase the efficiency of assembling of rotor assembly 11, it is ensured that the connection reliability of each parts, furthermore, bulk strength and the stability of integral part of structure are higher, assemble more convenient, and the life-span is longer.
Certainly, this utility model is not limited to this, base plate 1131 and side plate 1132 can also independent machine-shaping part, namely base plate 1131 and side plate 1132 are individually processed, then again base plate 1131 and side plate 1132 are welded or assemble and combine, it is ensured that structural stability after connection and reliability.
It addition, according to an embodiment of the present utility model, rotor assembly 11 also includes rotor end plates 114, and rotor end plates 114 is located between balance weight 112 and rotor core 111, and balance weight fan housing 113 is connected with rotor end plates 114 respectively with balance weight 112.
It is to say, this rotor assembly 11 is mainly made up of rotor core 111, balance weight 112, balance weight fan housing 113 and rotor end plates 114.Wherein, rotor end plates 114 is located at the end of rotor core 111, it is possible to for the magnetic part (not shown) in fixed rotor iron core 111, and balance weight 112 and balance weight fan housing 113 are respectively provided on the side of rotor core dorsad 111 of rotor end plates 114.
Referring to figs. 1 to Fig. 3, rotor core 111 be respectively arranged at two ends with a rotor end plates 114 up and down, the side of the rotor core dorsad 111 of two rotor end plates 114 is respectively equipped with balance weight 112.Wherein, one or two rotor end plates 114 in two rotor end plates 114 can be respectively provided with the balance weight fan housing 113 coordinated with balance weight 112, such that it is able to effectively reduce the balance weight 112 disturbance to air-flow, be beneficial to the performance promoting compressor 1.Thus, the simple in construction of this rotor assembly 11, compact, mounting or dismounting are convenient, and connection reliability is high.
Preferably, according to an embodiment of the present utility model, balance weight fan housing 113 and rotor end plates 114 are formed in one part.Thus, integral part of structure is possible not only to ensure the properity stability of rotor assembly 11, and facilitate molding, manufacture simply, and eliminate unnecessary assembly parts and connect operation, substantially increase the efficiency of assembling of rotor assembly 11, ensure the connection reliability of balance weight fan housing 113 and rotor end plates 114, furthermore, bulk strength and the stability of integral part of structure are higher, assemble more convenient, life-span is longer, is beneficial to and realizes automated production.
Motor 10 according to this utility model second aspect embodiment includes the rotor assembly 11 according to above-described embodiment.Specifically, motor 10 is mainly made up of stator core (not shown) and rotor core 111, wherein stator core is arranged with stator winding, rotor core 111 is located in the passage of stator core and defines gap between periphery wall and the inwall of stator core of rotor core 111, rotor core 111 be respectively arranged at two ends with balance weight 112 and balance weight 112 outer housing coordinated with balance weight 112.Owing to the rotor assembly 11 according to this utility model embodiment has above-mentioned technique effect, therefore, motor 10 according to the embodiment of the present application also has above-mentioned technique effect, the i.e. simple in construction, compact of this motor 10, mounting or dismounting are convenient, can effectively reducing flow perturbation, thus being beneficial to the oil mass of telling reducing compressor 1, improving the performance of compressor 1.
The compressor 1 according to this utility model third aspect embodiment is specifically described below in conjunction with accompanying drawing 1 to Fig. 6.
The compressor 1 of this utility model embodiment includes the motor 10 according to above-described embodiment.Specifically, as shown in Figure 6, this compressor 1 is mainly made up of motor 10, bent axle 20, cylinder 30, piston 40, reservoir 50 and casing 60.Wherein, casing 60 vertically (above-below direction as shown in Figure 6) extends, the accommodation chamber 61 for installing each parts is defined in casing 60, bent axle 20 is located at hold in chamber 61 and along casing 60 axially extending, motor 10 and cylinder 30 are respectively provided on bent axle 20 and motor 10 is positioned at the top of cylinder 30, piston 40 is set on the eccentric shaft of bent axle 20 to move back and forth in cylinder 30, and reservoir 50 is located at outside casing 60.
Wherein, as shown in Figures 1 to 5, the motor 10 rotor assembly 11 described in above-described embodiment forms, namely the rotor core 111 of this motor 10 be respectively arranged at two ends with the balance weight fan housing 113 coordinated with balance weight 112.
When compressor 1 runs, coolant enters in cylinder 30 by reservoir 50, after overcompression, high-voltage high-speed cold media gas is discharged from the steam vent of cylinder 30, the balance weight 112 being positioned on the lower end of rotor core 111 is arranged on above the steam vent of cylinder 30, and arrange with steam vent vicinity, after cold media gas is discharged from steam vent, the balance weight 112 of rotor core 111 lower end rotated is impacted, turbulent flow is formed at this local location, the windage that rotor core 111 rotates is increased, and then adds the power of compressor 1.By arranging balance weight fan housing 113 in the lower end of rotor core 111, the side plate 1132 of balance weight fan housing 113 forms smooth fillet surface with the outer of balance weight 112, the windward side that can avoid balance weight 112 is directly collided with high-voltage high-speed cold media gas, improve the air motion of this local location, simultaneously, owing to windage when balance weight 112 rotates reduces, it is possible to reduce the power consumption of motor 10, and then promote the performance of compressor 1.
When high speed coolant continues to flow up after impacting from the lower surface of rotor core 111, when cold media gas is by balance weight 112 position in Clearance Flow between rotor core 111 and stator core to the upper end being positioned at rotor core 111, the balance weight 112 of high speed rotating and the collision of high speed cold media gas, easily make big lubricating oil droplet rupture, the refrigerator oil within compressor 1 is made very easily to discharge compressor 1 from exhaustor outside, compressor 1 oil drain quantity is caused to increase, so that compressor 1 inside cold machine oil is in gradually reducing trend, compressor 1 reliability is caused deleterious effects.The compressor 1 of this utility model embodiment, by arranging the balance weight fan housing 113 coordinated with balance weight 112 in the upper end of rotor core 111, can effectively improve the flow field state of this position, reduce turbulence state, make big lubricating oil drop and cold media gas normal separation, thus the inwall along casing 60 is back in the oil sump of compressor 1.
Owing to the rotor assembly 11 according to this utility model embodiment and motor 10 have above-mentioned technique effect, therefore, according to the compressor 1 of the embodiment of the present application, also there is above-mentioned technique effect, the i.e. simple in construction, compact of this compressor 1, mounting or dismounting are convenient, compressor 1 to tell oil mass few, efficiency is higher.
Other compositions of compressor 1 according to this utility model embodiment and operation are all known for those of ordinary skills, are not detailed herein.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, for instance two, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or integral；Can be mechanically connected, it is also possible to be electrical connection or each other can communication；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in this utility model as the case may be.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment of the present utility model or example.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in one or more embodiments in office or example in an appropriate manner.Additionally, when not conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out combining and combining by those skilled in the art.
Although above it has been shown and described that embodiment of the present utility model, it is understandable that, above-described embodiment is illustrative of, it is not intended that to restriction of the present utility model, above-described embodiment can be changed in scope of the present utility model, revises, replace and modification by those of ordinary skill in the art.
Claims (13)
1. a rotor assembly, it is characterised in that including:
Rotor core；
Balance weight, described balance weight is located at the end of described rotor core；
Balance weight fan housing, described balance weight fan housing is located at the end of described rotor core and contiguous described balance weight, and described balance weight fan housing is respectively formed as curved surface and rounding off each other at outside wall surface radially and the described balance weight of described rotor core in the outside wall surface radially of described rotor core.
2. rotor assembly according to claim 1, it is characterised in that described balance weight includes two, two described balance weights are respectively provided at the two ends of described rotor core, and at least one end of described rotor core is provided with described balance weight fan housing.
3. rotor assembly according to claim 1, it is characterised in that described balance weight fan housing includes:
Base plate, described base plate is connected with the end of described rotor core；
Side plate, described side plate is located on described base plate and is connected with the outer edge of described base plate, and the outside wall surface of the outside wall surface of described side plate and described balance weight forms the curved surface smoothly transitted respectively.
4. rotor assembly according to claim 3, it is characterised in that described side plate forms non-closed arc.
5. rotor assembly according to claim 3, it is characterised in that described sole shape becomes the central axes of arc, the central axis of described rotor core and described base plate.
6. rotor assembly according to claim 3, it is characterised in that the outside wall surface of described balance weight is formed as circular arc, and the outside wall surface of described balance weight fan housing is formed as circular arc.
7. rotor assembly according to claim 6, it is characterised in that described sole shape becomes annular plate or the circular arc plate equal with the radian of described side plate.
8. rotor assembly according to claim 6, it is characterised in that the external diameter of described rotor core is r0, the external diameter of described balance weight is r, and the outside dimension of described balance weight outer housing is R, 0.6r0 < R≤r.
9. rotor assembly according to claim 3, it is characterised in that described base plate and described side plate are formed in one part.
10. rotor assembly according to claim 1, it is characterised in that also including rotor end plates, described rotor end plates is located between described balance weight and described rotor core, and described balance weight fan housing is connected with described rotor end plates respectively with described balance weight.
11. rotor assembly according to claim 10, it is characterised in that described balance weight fan housing and described rotor end plates are formed in one part.
12. a motor, it is characterised in that include the rotor assembly according to any one of claim 1-11.
13. a compressor, it is characterised in that include motor according to claim 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620100311.XU CN205377551U (en) | 2016-02-01 | 2016-02-01 | Rotor subassembly and motor, compressor that have it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620100311.XU CN205377551U (en) | 2016-02-01 | 2016-02-01 | Rotor subassembly and motor, compressor that have it |
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| Publication Number | Publication Date |
|---|---|
| CN205377551U true CN205377551U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620100311.XU Active CN205377551U (en) | 2016-02-01 | 2016-02-01 | Rotor subassembly and motor, compressor that have it |
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| CN (1) | CN205377551U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248791A (en) * | 2017-03-31 | 2017-10-13 | 广东美芝精密制造有限公司 | Rotor assembly, motor and the compressor with it |
| CN113550908A (en) * | 2021-09-09 | 2021-10-26 | 广东美的环境科技有限公司 | Rotor subassembly and compressor |
| CN114483584A (en) * | 2020-10-23 | 2022-05-13 | 广东美芝制冷设备有限公司 | Rotor subassembly, motor and compressor |
-
2016
- 2016-02-01 CN CN201620100311.XU patent/CN205377551U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248791A (en) * | 2017-03-31 | 2017-10-13 | 广东美芝精密制造有限公司 | Rotor assembly, motor and the compressor with it |
| CN114483584A (en) * | 2020-10-23 | 2022-05-13 | 广东美芝制冷设备有限公司 | Rotor subassembly, motor and compressor |
| CN114483584B (en) * | 2020-10-23 | 2023-10-24 | 广东美芝制冷设备有限公司 | Rotor assembly, motor and compressor |
| CN113550908A (en) * | 2021-09-09 | 2021-10-26 | 广东美的环境科技有限公司 | Rotor subassembly and compressor |
| CN113550908B (en) * | 2021-09-09 | 2023-02-24 | 广东美的环境科技有限公司 | Rotor subassembly and compressor |
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