CN106300723B - Rotor assembly, motor and compressor adopting motor - Google Patents

Rotor assembly, motor and compressor adopting motor Download PDF

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Publication number
CN106300723B
CN106300723B CN201610981812.8A CN201610981812A CN106300723B CN 106300723 B CN106300723 B CN 106300723B CN 201610981812 A CN201610981812 A CN 201610981812A CN 106300723 B CN106300723 B CN 106300723B
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CN
China
Prior art keywords
rotor
balance weight
connector
hole
rigid connector
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Application number
CN201610981812.8A
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Chinese (zh)
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CN106300723A (en
Inventor
张强
朱晓光
韩东岳
郑学良
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201610981812.8A priority Critical patent/CN106300723B/en
Publication of CN106300723A publication Critical patent/CN106300723A/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/28Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/04Balancing means

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

The invention relates to the technical field of connecting pieces, in particular to a rotor assembly, a motor and a compressor adopting the motor. The rotor assembly comprises a rotor and balance blocks arranged at two ends of the rotor, wherein the rotor and the balance blocks are connected through a rigid connecting piece and an elastic connecting piece; the rotor and/or the balance block are/is provided with a connecting hole, the rigid connecting piece and the elastic connecting piece are arranged in the same connecting hole or different connecting holes, the rigid connecting piece is used for overcoming the radial relative movement between the rotor and the balance block, and the elastic connecting piece is used for overcoming the axial relative movement between the rotor and the balance block. Simultaneously, still provide the motor that adopts above-mentioned rotor subassembly to and adopt the compressor of above-mentioned motor. In the embodiment, the rigid connecting piece and the elastic connecting piece are adopted to realize the assembly between the rotor and the balance block, so that the assembly efficiency of the rotor assembly is improved.

Description

A kind of rotor assembly, motor and the compressor using the motor
Technical field
The present invention relates to connector technical field more particularly to a kind of rotor assembly, motor and using the compression of the motor Machine.
Background technique
As the degree of automation is promoted in production process, production equipment is also higher and higher to the compliance of components, This requires Parts of Compressor design also will increasingly with height versatility, compressor drum as important component it One, the degree of automation of production assembly is heavily dependent on the generalization degree of its Element Design.
The Focusing on components one of more demanding as complex degree of structure in compressor and assembly precision, compressor drum Efficiency is all not high enough all the time for component assembly, and bottleneck is that compressor balance block structure is complicated, rivet model multiplicity, part with And the generalization degree of tooling is low, tooling switching, worker's operation training require the plenty of time, even if being equipped with automated production Equipment can not avoid model from switching corresponding cumbersome tooling switch operating.The assembling structure of existing rotor assembly is specific As shown in Figure 1 to Figure 3,2 ' of balance weight is mounted on by 3 ' of rivet and is turned on 1 ', usual on 2 ' of balance weight for the ease of riveting Be with counterbore or boss or both the labyrinth that has concurrently.
So proposing a kind of rotor assembly, motor for being able to solve the low problem of rotor assembly assembly efficiency in the prior art And the compressor using the motor.
Summary of the invention
It is an object of the invention to propose a kind of rotor assembly, it is able to solve that existing rotor assembly assembly efficiency is low to ask Topic.
It is another object of the present invention to propose a kind of motor, rotor assembly as described above is used.
Of the invention is to propose a kind of compressor in a purpose, uses motor as described above.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of rotor assembly, including rotor, and the balance weight of two ends of rotor is set, wherein the rotor and balance Block is connected by rigid connector with flexible connector;
Connecting hole is provided on the rotor and/or balance weight, the rigid connector and flexible connector are arranged same In one connecting hole or in different connecting holes, and rigid connector is for overcoming between rotor and balance weight diametrically Movement, flexible connector are used to overcome the axial relative movement between rotor and balance weight.
As a kind of preferred embodiment of above-mentioned rotor assembly, fluted, institute is opened up on the outer surface of the rigid connector It states flexible connector to be arranged in groove, and the part-structure of flexible connector protrudes from the outer surface of the rigid connector;
The connecting hole is the first through hole being arranged on rotor and balance weight, and the first through hole on rotor and balance weight In being arranged in a one-to-one correspondence;
Setting flexible connector on the rigid connector, which is inserted into same connecting hole together with rigid connector, to be realized The connection of rotor and balance weight.
As a kind of preferred embodiment of above-mentioned rotor assembly, state be provided on rigid connector it is multiple equally distributed recessed Slot, which is distributed along the axial direction of rigid connector, and is through to the other end from one end of the rigid connector.
As a kind of preferred embodiment of above-mentioned rotor assembly, the connecting hole includes setting location hole on rotor, and The second through-hole that the second through-hole on rotor and balance weight is arranged in, and is arranged on rotor and balance weight is set in one-to-one correspondence It sets;
The rigid connector is the positioning column being arranged on balance weight;
The positioning column is plugged on positioning hole, and the flexible connector is plugged on being oppositely arranged for rotor and balance weight The connection of rotor and balance weight is realized in second through-hole.
As a kind of preferred embodiment of above-mentioned rotor assembly, multiple equally distributed positioning are provided on the balance weight Column is provided with multiple equally distributed location holes on corresponding rotor.
As a kind of preferred embodiment of above-mentioned rotor assembly, the flexible connector is spring.
As a kind of preferred embodiment of above-mentioned rotor assembly, the shear strength of the rigid connector be greater than balance weight with The maximum shear stress that rotor radial relative motion generates.
As a kind of preferred embodiment of above-mentioned rotor assembly, when working rotor, the flexible connector is generated because of deformation The normal pressure of balance weight, rotor connecting hole inner wall is acted on, which makes to generate between flexible connector and balance weight, rotor Frictional force, the frictional force are greater than the maximum axial force that balance weight is subject to.
A kind of motor comprising rotor assembly as described above.
A kind of compressor comprising motor as described above.
The invention has the benefit that realizing rotor using rigid connector and flexible connector in the present embodiment Assembly between balance weight, as long as and assembling process rigid connector and flexible connector be plugged into corresponding connecting hole The assembly that rotor and balance weight inside can be thus achieved improves the assembly efficiency of rotor assembly.Meanwhile above-mentioned two connector is not required to It is riveted, therefore, length can carry out free shearing, pass through the length of automatic feed mechanism control shearing, Ji Keman The demand of sufficient different model difference connection length, it is no longer necessary to according to the riveting length that different model is different as rivet interlacement Manufacture the rivet of different length.Therefore, the rigid connector and flexible connector that present embodiment provides have preferably general Property.
Detailed description of the invention
Fig. 1 is the decomposition state schematic diagram of the rotor assembly provided in the prior art;
Fig. 2 is the assembled state schematic diagram of the rotor assembly provided in the prior art;
Fig. 3 is the structural schematic diagram of the balance weight provided in the prior art;
Fig. 4 is the decomposition state schematic diagram for the rotor assembly that the specific embodiment of the invention one provides;
Fig. 5 is the assembled state schematic diagram for the rotor assembly that the specific embodiment of the invention one provides;
Fig. 6 is the rigid connector that the specific embodiment of the invention one provides and the connection that flexible connector matching is combined into The structural schematic diagram of part;
Fig. 7 is the structural schematic diagram for the balance weight that the specific embodiment of the invention one provides;
Fig. 8 is the structural schematic diagram for the balance weight that the specific embodiment of the invention two provides.
Wherein:
1: rotor;2: balance weight;3: rigid connector;4: flexible connector;5: first through hole;6: the second through-holes;
1 ': rotor;2 ': balance weight;3 ': rivet.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment one
As shown in Figures 4 to 7, present embodiments provide for a kind of rotor assembly, including rotor 1, and are arranged in rotor 1 The balance weight 2 at both ends, wherein rotor 1 and balance weight 2 are connected by rigid connector 3 and flexible connector 4.
Connecting hole is provided on rotor 1 and/or balance weight 2, rigid connector 3 and flexible connector 4 are arranged in same company It connects in hole or in different connecting holes, and rigid connector 3 is used to overcome the diametrically fortune between rotor 1 and balance weight 2 Dynamic, flexible connector 3 is used to overcome the axial relative movement between rotor 1 and balance weight 2.
In the present embodiment, it is realized using rigid connector 3 and flexible connector 4 between rotor 1 and balance weight 2 Assembly, as long as and assembling process rigid connector 3 and flexible connector 4 are plugged into corresponding connecting hole and can be thus achieved The assembly of rotor 1 and balance weight 2 improves the assembly efficiency of rotor assembly.Meanwhile above-mentioned two connector does not need to carry out riveting It connects, therefore, length can carry out free shearing, by the length of automatic feed mechanism control shearing, can meet different shaped The demand of number different connection lengths, it is no longer necessary to be manufactured as rivet interlacement according to the different riveting length of different model different The rivet of length.Therefore, the rigid connector 3 and flexible connector 4 that present embodiment provides have better versatility.
The structure of a kind of specific rigid connector 3 and flexible connector 4 is provided in the present embodiment referring to Fig. 6 Form.It is specific as shown below:
Open up fluted on the outer surface of rigid connector 3, flexible connector 4 is arranged in groove, and flexible connector 4 Part-structure protrude from the outer surface of rigid connector 3.
Referring to Fig. 4, Fig. 5, Fig. 7, connecting hole is the first through hole 5 being arranged on rotor 1 and balance weight 2, and rotor 1 is peaceful In being arranged in a one-to-one correspondence, above-mentioned be arranged in a one-to-one correspondence refers to be first through hole 5 on weighing apparatus block 2: such as three are provided on rotor 1 A equally distributed first through hole 5, is also provided with that there are three equally distributed first through hole 5 on balance weight 2 accordingly.Setting is turning First through hole 5 is identical with the aperture for the first through hole 5 being arranged on balance weight 2 on son 1, each of is arranged on rotor 1 first Through-hole 5 has the first through hole 5 of a coaxial line on balance weight 2, and the first through hole 5 of two coaxial lines constitutes a company Connect hole.
Flexible connector 4 is set on rigid connector 3 and is inserted into realization turn in same connecting hole together with rigid connector 3 The connection of son 1 and balance weight 2.That is to say, rigid connector 3 and flexible connector 4 be inserted into coaxial line line simultaneously two first are logical In hole 5.
Referring to Fig. 6, rigid connector 3 and the specific matching relationship of flexible connector 4 are as follows:
Multiple equally distributed grooves are provided on rigid connector 3, which is distributed along the axial direction of rigid connector 3, And the other end is through to from one end of rigid connector 3.It is uniformly distributed as being provided with 3 on preferred rigid connector 3 Groove.
Preferred groove is also not excluded for groove along just along the axial direction distribution of rigid connector 3 certainly in the present embodiment The case where radial distribution of property connector 3, still, if groove structure along the radial distribution of rigid connector 3, in rigid connector 3 cutting process, may be subjected to groove setting position influence, but the flexible connector 4 being arranged in groove structure according to Can so axial limiting be carried out to rotor 1 and balance weight 2.
Above-mentioned flexible connector 4 is spring, and certain flexible connector 4 can also use other structures, such as rubber bar.? That is flexible connector 4 is when rotor 1 works, flexible connector 4 acts on balance weight 2,1 connecting hole of rotor because of deformation generation The normal pressure of inner wall, the normal pressure make to generate frictional force between flexible connector 4 and balance weight 2, rotor 1, which is greater than The maximum axial force that balance weight 2 is subject to.Thus, it is possible to realize the axial limiting to balance weight 2 and rotor 1.
The shear strength of rigid connector 3 is greater than balance weight 2 and rotor 1 diametrically moves the maximum shear of generation Power.Thus, it is possible to realize the radial limit to rotor 1 and balance weight 2.
In order to which above-mentioned rotor assembly is further detailed, present embodiment additionally provides the dress of above-mentioned rotor assembly With process.
The connection structure that rigid connector 3 and flexible connector 4 collectively constitute is that complement outside diameter can be with axial drawing The connection component of stretch variation and variation.
It does not stress under state when connection component is in static, connection component entire outer diameter is greater than balance weight 2, rotor 1 connects Hole aperture, connecting hole, which applies axial tension to flexible connector 4, when assembly reduces its outer diameter, and then connection component complement outside diameter It is decreased to less than the aperture of balance weight 2,1 connecting hole of rotor.
After balance weight 2, rotor 1, connection component are combined into place, connecting hole keeps the axial force that flexible connector 4 applies Constant, connection component overall diameter dimensions will be equal to connecting hole aperture at this time, and flexible connector 4 is because there are elastic deformations, to quilt Balance weight 2, the 1 connecting hole inner wall of rotor of connection form normal pressure, and then generate and prevent connected piece frictional force in axial sliding.
Connection component is finally cut, rotor assembly assembly is completed.
Rotor 1, balance weight 2, nothing in 2 structure of balance weight are assembled using the adjustable connection component of outer diameter in present embodiment The structures such as step, counter sink need to be redesigned, 2 structure of balance weight is simplified, 2 difficulty of processing of balance weight is reduced, zero can be reduced Part cost.
It is general that connection component may be implemented in the size normalised design of 1 connecting hole of rotor of different series, it is no longer necessary to be directed to Different rotor 1 designs different rivets, reduces the type of connector, improves the versatility of connector.
Theoretically length can be very long for rigid connector 3 and flexible connector 4, is controlled in use process by feeding mechanism Sheared length, without being continuously increased new rivet as original rivet interlacement mode, feeding mechanism equipment be can simplify.
In the present embodiment, a kind of motor is additionally provided, rotor assembly as described above is used.
In the present embodiment, a kind of compressor is additionally provided, motor as described above is used.
Embodiment two
Referring to Fig. 8, in the present embodiment, connecting hole includes location hole being arranged on rotor 1, and be arranged in rotor 1 With the second through-hole 6 on balance weight 2, and the second through-hole 6 being arranged on rotor 1 and balance weight 2 is in being arranged in a one-to-one correspondence.
Rigid connector 3 is the positioning column being arranged on balance weight 2.
Positioning column is plugged on positioning hole, and flexible connector 4 is plugged on second be oppositely arranged of rotor 1 and balance weight 2 The connection of rotor 1 and balance weight 2 is realized in through-hole 6.
Preferably, it is provided with multiple equally distributed positioning columns on balance weight 2, is provided on corresponding rotor 1 multiple equal The location hole of even distribution.
Because there are the structures that positioning column and positioning hole match to carry out radial limit to balance weight 2, referring now to reality It applies mode one and only needs that flexible connector is arranged in the second through-hole 6 and the installation of balance weight 2 can be realized.
In the present embodiment, in addition to the setting form and implementation of connecting hole, rigid connector 3 and flexible connector 4 Mode one is different outer, and other structures and production process are identical as embodiment one, but since rotor 1 lacks through component Rigid connector 3, transport process need to prevent radial load impacting, prevent radial deformation from causing concentricity bad.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within Within protection scope of the present invention.

Claims (10)

1. a kind of rotor assembly, including rotor (1), and setting is in the balance weight (2) at rotor (1) both ends, which is characterized in that institute Rotor (1) and balance weight (2) is stated to connect by rigid connector (3) and flexible connector (4);
Connecting hole, the rigid connector (3) and flexible connector (4) are provided on the rotor (1) and/or balance weight (2) Be arranged in same connecting hole or different connecting holes in, and rigid connector (3) is for overcoming rotor (1) and balance weight (2) the diametrically movement between, flexible connector (4) are used to overcome the axially opposing fortune between rotor (1) and balance weight (2) It is dynamic;
The length of the rigid connector (3) and the flexible connector (4) is able to carry out free shearing.
2. rotor assembly according to claim 1, which is characterized in that opened up on the outer surface of the rigid connector (3) Fluted, the flexible connector (4) is arranged in groove, and the part-structure of flexible connector (4) protrudes from the rigidity The outer surface of connector (3);
The connecting hole is that first through hole (5) on rotor (1) and balance weight (2) is arranged, and rotor (1) and balance weight (2) On first through hole (5) in being arranged in a one-to-one correspondence;
Flexible connector (4) is set on the rigid connector (3) and rigid connector (3) are inserted into together in same connecting hole Realize the connection of rotor (1) and balance weight (2).
3. rotor assembly according to claim 2, which is characterized in that be provided on the rigid connector (3) multiple equal The groove of even distribution, which is distributed along the axial direction of rigid connector (3), and passes through from one end of the rigid connector (3) It wears to the other end.
4. rotor assembly according to claim 1, which is characterized in that the connecting hole includes being arranged on rotor (1) to determine Position hole, and the second through-hole (6) being arranged on rotor (1) and balance weight (2), and be arranged on rotor (1) and balance weight (2) The second through-hole (6) in being arranged in a one-to-one correspondence;
The rigid connector (3) is the positioning column being arranged on balance weight (2);
The positioning column is plugged on positioning hole, and the flexible connector (4) is plugged on the opposite of rotor (1) and balance weight (2) The connection of rotor (1) and balance weight (2) is realized in the second through-hole (6) being arranged.
5. rotor assembly according to claim 4, which is characterized in that be provided with multiple uniform points on the balance weight (2) The positioning column of cloth is provided with multiple equally distributed location holes on corresponding rotor (1).
6. rotor assembly described in -5 any one according to claim 1, which is characterized in that the flexible connector (4) is bullet Spring.
7. rotor assembly described in -5 any one according to claim 1, which is characterized in that the rigid connector (3) resists Shear strength is greater than the maximum shear stress that balance weight (2) and rotor (1) diametrically move generation.
8. rotor assembly described in -5 any one according to claim 1, which is characterized in that when working rotor, the elasticity Connector (4) acts on the normal pressure of balance weight (2), rotor (1) connecting hole inner wall because deformation generates, which makes elasticity even Frictional force is generated between fitting (4) and balance weight (2), rotor (1), the frictional force is greater than the maximum axis that balance weight (2) are subject to Xiang Li.
9. a kind of motor, which is characterized in that including the rotor assembly as described in claim 1-8 any one.
10. a kind of compressor, which is characterized in that including motor as claimed in claim 9.
CN201610981812.8A 2016-11-08 2016-11-08 Rotor assembly, motor and compressor adopting motor Active CN106300723B (en)

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CN201610981812.8A CN106300723B (en) 2016-11-08 2016-11-08 Rotor assembly, motor and compressor adopting motor

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Application Number Priority Date Filing Date Title
CN201610981812.8A CN106300723B (en) 2016-11-08 2016-11-08 Rotor assembly, motor and compressor adopting motor

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CN106300723B true CN106300723B (en) 2019-03-22

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108626123A (en) * 2017-03-23 2018-10-09 艾默生环境优化技术(苏州)有限公司 Rotor assembly and compressor
CN109672312A (en) * 2019-01-30 2019-04-23 浙江博阳压缩机有限公司 Permanent magnet synchronous motor

Citations (3)

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Publication number Priority date Publication date Assignee Title
CN203822639U (en) * 2014-05-12 2014-09-10 Tcl瑞智(惠州)制冷设备有限公司 Assembly structure for shaft and rotor of compressor
CN204003826U (en) * 2014-07-16 2014-12-10 力纳克传动系统(深圳)有限公司 A kind of fixing-assembly of driver
CN206283338U (en) * 2016-11-08 2017-06-27 珠海格力节能环保制冷技术研究中心有限公司 A kind of rotor assembly, motor and the compressor using the motor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2474417A (en) * 2009-07-03 2011-04-20 Isis Innovation A spring and a spring assembly
US20130053157A1 (en) * 2011-08-31 2013-02-28 First Dome Corporation Rotating shaft structure

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
CN203822639U (en) * 2014-05-12 2014-09-10 Tcl瑞智(惠州)制冷设备有限公司 Assembly structure for shaft and rotor of compressor
CN204003826U (en) * 2014-07-16 2014-12-10 力纳克传动系统(深圳)有限公司 A kind of fixing-assembly of driver
CN206283338U (en) * 2016-11-08 2017-06-27 珠海格力节能环保制冷技术研究中心有限公司 A kind of rotor assembly, motor and the compressor using the motor

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