CN207819654U - Rotor shaft assembly, rotor and motor - Google Patents

Rotor shaft assembly, rotor and motor Download PDF

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Publication number
CN207819654U
CN207819654U CN201820109246.6U CN201820109246U CN207819654U CN 207819654 U CN207819654 U CN 207819654U CN 201820109246 U CN201820109246 U CN 201820109246U CN 207819654 U CN207819654 U CN 207819654U
Authority
CN
China
Prior art keywords
perforating
end axis
magnetic core
holding tank
rotor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201820109246.6U
Other languages
Chinese (zh)
Inventor
彭利明
贾金信
张小波
刘健宁
张芳
李广海
郭长光
魏琼
李忠雨
闫瑾
梁建东
熊博文
王泽业
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201820109246.6U priority Critical patent/CN207819654U/en
Application granted granted Critical
Publication of CN207819654U publication Critical patent/CN207819654U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of rotor shaft assembly, rotor and motor, rotor shaft assembly:Magnetic core;First end axis;Second end axis;Protective jacket is disposed with the first perforating, the second perforating and third perforating on protective jacket, and first end axis is threaded through in the first perforating, and at least part of magnetic core is arranged in the second perforating, and second end axis is threaded through in third perforating;The minimum range of hole wall of the center line of protective jacket away from the first perforating is a, the minimum range of hole wall of the center line of protective jacket away from the second perforating is b, the minimum range of hole wall of the center line of protective jacket away from third perforating is c, wherein at least one of a and c are unequal with b.The rotor shaft assembly of the utility model solves the problems, such as that rotor shaft assembly in the prior art is susceptible to axis in assembly side axis and magnet steel and misaligns.

Description

Rotor shaft assembly, rotor and motor
Technical field
The utility model is related to motor fields, in particular to a kind of rotor shaft assembly, rotor and motor.
Background technology
Existing a kind of high speed permanent magnet motor rotor structure, referring to FIG. 1, shaft is spliced by three sections, using full circle Cylindricality magnet steel 3 transmits torque using the interference fit between alloy sleeve 4 and three sections of main shafts, wherein 1 He of first rotating shaft extremity piece Second shaft extremity piece 2 is non-magnet material.The construction rotor is when assembling first rotating shaft extremity piece 1 and cylindricality magnet steel 3, due to not having There is dependency structure positioning, is easy to the case where axis misaligns occur.
Utility model content
The main purpose of the utility model is to provide a kind of rotor shaft assembly, rotor and motors, to solve the prior art In rotor shaft assembly be susceptible to the problem of axis misaligns in assembly side axis and magnet steel.
To achieve the goals above, the first aspect according to the present utility model provides a kind of rotor shaft assembly, packet It includes:Magnetic core;First end axis;Second end axis;Protective jacket is disposed with the first perforating, the second perforating and on protective jacket Three perforatings, first end axis are threaded through in the first perforating, and at least part of magnetic core is arranged in the second perforating, second end axis It is threaded through in third perforating;The minimum range of hole wall of the center line of protective jacket away from the first perforating is a, the center of protective jacket The minimum range of the hole wall of the second perforating of line-spacing is b, and the center line of protective jacket is away from the minimum range of the hole wall of third perforating For c, wherein at least one of a and c are unequal with b.
Further, protective jacket is cylinder, and the first perforating, the second perforating and third perforating are circular hole, In, at least one of the aperture value of the first perforating and the aperture value of third perforating are more than the aperture value of the second perforating.
Further, the first holding tank is provided on first end axis, the magnetic core of part is arranged in the first holding tank;Or, The first end of magnetic core is provided with the second holding tank, and the first end axis of part is arranged in the second holding tank.
Further, magnetic core and the first holding tank clearance fit;Or, first end axis and the second holding tank clearance fit.
Further, third holding tank is provided on second end axis, the magnetic core of part is arranged in third holding tank;Or, The second end of magnetic core is provided with the 4th holding tank, and the second end axis of part is arranged in the 4th holding tank.
Further, magnetic core and third holding tank clearance fit;Or, second end axis and the 4th holding tank clearance fit.
Further, first end axis includes:First shaft part, the first shaft part are at least partially disposed in the first perforating; Second shaft part, the second shaft part are connected with the first shaft part, and the second shaft part is located at the outside of the first perforating;Wherein, the first shaft part On be provided with the first holding tank, the magnetic core of part is arranged in the first holding tank.
Further, second end axis includes:Third shaft part, third shaft part are at least partially disposed in third perforating; 4th shaft part, the 4th shaft part are connected with third shaft part, and the 4th shaft part is located at the outside of third perforating;Wherein, third shaft part On be provided with third holding tank, the magnetic core of part is arranged in third holding tank.
Further, the first perforating is connected with the second perforating, and the aperture value of the first perforating is worn more than second The aperture value in hole, first end axis are abutted against with the plane where the aperture of the second perforating.
Further, third perforating is connected with the second perforating, and the aperture value of third perforating is worn more than second The aperture value in hole, second end axis are abutted against with the plane where the aperture of the second perforating.
The second aspect according to the present utility model, provides a kind of rotor, including rotor shaft assembly, and rotor shaft assembly is Above-mentioned rotor shaft assembly.
In terms of third according to the present utility model, a kind of motor, including rotor are provided, rotor is above-mentioned rotor.
The rotor shaft assembly of the utility model is made of magnetic core, first end axis, second end axis and protective jacket, by that will prevent It is unequal that the aperture value of each perforating in sheath for magnetic core, first end axis and second end axis to be arranged is set as size, The axially position to protective jacket may be implemented, rotor shaft assembly can also be avoided to be susceptible to axis in assembly side axis and magnet steel The problem of misaligning.Wherein, the first perforating, the second perforating and third perforating, first end are disposed on protective jacket Axis is threaded through in the first perforating, and at least part of magnetic core is arranged in the second perforating, and second end axis is threaded through third and wears In hole.
The minimum range of hole wall of the center line of the protective jacket of the rotor shaft assembly of the utility model away from the first perforating is A, the center line of protective jacket are b away from the minimum range of the hole wall of the second perforating, and the center line of protective jacket is away from third perforating The minimum range of hole wall is c.It is unequal with b by being provided at least one of a and c so that protective jacket variable thickness, with shape At for carrying out the ladder-like of axially position to magnetic core, first end axis and second end axis, solves rotor in the prior art Shaft assembly is susceptible to the problem of axis misaligns in assembly side axis and magnet steel.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality Novel illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model. In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the embodiment of rotor shaft assembly in the prior art;
Fig. 2 shows the structural schematic diagrams of one embodiment of rotor shaft assembly according to the present utility model;
Fig. 3 shows the structural schematic diagram of second embodiment of rotor shaft assembly according to the present utility model.
Wherein, above-mentioned attached drawing includes the following drawings label:
1, first rotating shaft extremity piece;2, the second shaft extremity piece;3, cylindricality magnet steel;4, alloy sleeve;10, magnetic core;20, first end Axis;21, the first shaft part;22, the second shaft part;30, second end axis;31, third shaft part;32, the 4th shaft part;40, protective jacket;41、 First perforating;42, the second perforating;43, third perforating.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
The utility model provides a kind of rotor shaft assembly, please refers to Fig.2 and Fig. 3, rotor shaft assembly include:Magnetic core 10; First end axis 20;Second end axis 30;Protective jacket 40 is disposed with the first perforating 41, the second perforating 42 on protective jacket 40 With third perforating 43, first end axis 20 is threaded through in the first perforating 41, and the setting of at least part of magnetic core 10 is worn second In hole 42, second end axis 30 is threaded through in third perforating 43;Hole wall of the center line of protective jacket 40 away from the first perforating 41 Minimum range is a, and the center line of protective jacket 40 is b, the center of protective jacket 40 away from the minimum range of the hole wall of the second perforating 42 The minimum range of the hole wall of line-spacing third perforating 43 is c, wherein at least one of a and c are unequal with b.
The rotor shaft assembly of the utility model is made of magnetic core 10, first end axis 20, second end axis 30 and protective jacket 40, By the way that the aperture value of each perforating for magnetic core 10, first end axis 20 and second end axis 30 to be arranged in protective jacket 40 is set Be set to that size is unequal, the axially position to protective jacket 40 may be implemented, rotor shaft assembly can also be avoided in assembly side axis and The problem of axis misaligns is susceptible to when magnet steel.Wherein, it is disposed with the first perforating 41 on protective jacket 40, second wears Hole 42 and third perforating 43, first end axis 20 are threaded through in the first perforating 41, and at least part of magnetic core 10 is arranged second In perforating 42, second end axis 30 is threaded through in third perforating 43.
The most narrow spacing of hole wall of the center line of the protective jacket 40 of the rotor shaft assembly of the utility model away from the first perforating 41 From for a, the center line of protective jacket 40 is b away from the minimum range of the hole wall of the second perforating 42, and the center line of protective jacket 40 is away from the The minimum range of the hole wall of three perforatings 43 is c.It is unequal with b by being provided at least one of a and c so that protective jacket 40 variable thickness, to be formed for carrying out the ladder-like of axially position, solution to magnetic core 10, first end axis 20 and second end axis 30 Rotor shaft assembly in the prior art of having determined is susceptible to the problem of axis misaligns in assembly side axis and magnet steel.
For the concrete structure of protective jacket 40, protective jacket 40 is cylinder, the first perforating 41, the second perforating 42 and the Three perforatings 43 are circular hole, wherein at least one in the aperture value of the first perforating 41 and the aperture value of third perforating 43 A aperture value for being more than the second perforating 42.
In the present embodiment, protective jacket 40 is cylinder, the first perforating 41, the second perforating 42 and third perforating 43 It is circular hole, correspondingly, magnetic core 10, first end axis 20 and second end axis 30 are cylinder.
In the present embodiment, by being provided in the aperture value of the first perforating 41 and the aperture value of third perforating 43 At least one aperture value for being more than the second perforating 42, so as to be formed between the first perforating 41 and the second perforating 42 Stepped part is used for backstop first end axis 20.Optionally, stepped part is formed between third perforating 43 and the second perforating 42, used In backstop second end axis 30.
In the present embodiment, due in the aperture value of aperture value and third perforating 43 with the first perforating 41 extremely A few aperture value for being more than the second perforating 42, so that, the protection contacted with first end axis 20 and/or second end axis 30 The thickness of set 40 is less than the thickness of the protective jacket 40 contacted with magnetic core 10.40 or more structure of protective jacket can't lose to magnetic core 10 protective effect when rotating at high speed, and the place of intensity protection is provided not needing it, for example its with first end axis 20 and The place that second end axis 30 is radially in contact, because of the reduction of its thickness, moreover it is possible to reduce rotor eddy current loss, and then improve motor effect Rate.
In order to ensure first end axis 20 and magnetic core 10 after installation is complete, center line is on same straight line, first end axis The first holding tank is provided on 20, the magnetic core 10 of part is arranged in the first holding tank;Or, the first end of magnetic core 10 is provided with The first end axis 20 of two holding tanks, part is arranged in the second holding tank.
In the present embodiment, optionally, it is provided with the first holding tank on first end axis 20, the setting of magnetic core 10 of part is the In one holding tank, to ensure that first end axis 20 and magnetic core 10 after installation is complete, center line is on same straight line.
Optionally, the first end of magnetic core 10 is provided with the second holding tank, and the setting of first end axis 20 of part is accommodated second In slot.
Preferably, magnetic core 10 and the first holding tank clearance fit;Or, first end axis 20 and the second holding tank clearance fit.
In the present embodiment, the cooperation of the small―gap suture of magnetic core 10 and the first holding tank can be more convenient the installation of magnetic core 10.
Correspondingly, the cooperation of the small―gap suture of first end axis 20 and the second holding tank can be more convenient the installation of first end axis 20.
Optionally, magnetic core 10 and the first holding tank are interference fitted;Or, first end axis 20 and the second holding tank are interference fitted. The use of interference fit can ensure that magnetic core 10 is more stably kept with first end axis 20 and connect.
In order to ensure second end axis 30 and magnetic core 10 after installation is complete, center line is on same straight line, second end axis Third holding tank is provided on 30, the magnetic core 10 of part is arranged in third holding tank;Or, the second end of magnetic core 10 is provided with The second end axis 30 of four holding tanks, part is arranged in the 4th holding tank.
Preferably, magnetic core 10 and third holding tank clearance fit;Or, second end axis 30 and the 4th holding tank clearance fit.
In the present embodiment, magnetic core 10 can be more convenient the installation of magnetic core 10 with the small―gap suture cooperation of third holding tank.
Correspondingly, the cooperation of the small―gap suture of second end axis 30 and the 4th holding tank can be more convenient the installation of second end axis 30.
Optionally, magnetic core 10 is interference fitted with third holding tank;Or, second end axis 30 and the 4th holding tank are interference fitted. The use of interference fit can ensure that magnetic core 10 is more stably kept with second end axis 30 and connect.
For the concrete structure of first end axis 20, as shown in Figures 2 and 3, first end axis 20 includes:First shaft part 21, the One shaft part 21 is at least partially disposed in the first perforating 41;Second shaft part 22, the second shaft part 22 are connected with the first shaft part 21 It connects, the second shaft part 22 is located at the outside of the first perforating 41;Wherein, it is provided with the first holding tank on the first shaft part 21, part Magnetic core 10 is arranged in the first holding tank.
For the concrete structure of second end axis 30, as shown in Fig. 2, second end axis 30 includes:Third shaft part 31, third shaft part 31 are at least partially disposed in third perforating 43;4th shaft part 32, the 4th shaft part 32 are connected with third shaft part 31, and the 4th Shaft part 32 is located at the outside of third perforating 43;Wherein, third holding tank is provided on third shaft part 31, the magnetic core 10 of part is set It sets in third holding tank.
Preferably, the first perforating 41 is connected with the second perforating 42, and the aperture value of the first perforating 41 is more than second The aperture value of perforating 42, first end axis 20 are abutted against with the plane where the aperture of the second perforating 42.
Preferably, third perforating 43 is connected with the second perforating 42, and the aperture value of third perforating 43 is more than second The aperture value of perforating 42, second end axis 30 are abutted against with the plane where the aperture of the second perforating 42.
First end axis 20 and second end axis 30 use non-magnet material, when high speed rotation, due to the protection of protective jacket 40 Effect so that p-m rotor can be with safe operation.
Cylindricality magnet steel (magnetic core 10) uses NdFeB material, for regular full circle cylindricality solid construction.
Varying-thickness alloy protective set 40 is using nickel-base alloys, titanium alloy etc materials, with magnetic core 10, first end axis 20 and the Two end axis 30 are interference fit.
When assembly, first cylindricality magnet steel is attached on the right side of first end axis 20, due to the groove structure of first end axis 20 Certralizing ability, the periphery of cylindricality magnet steel overlaps with the disc height of 20 groove of first end axis, ensure that cylindricality magnet steel and Concentricity between one end axis 20, the Varying-thickness alloy sleeve disposable thermal that will warm up certain temperature later are mounted in first end axis 20, the outer surface of cylindricality magnet steel makes its left end stepped locations be bonded with the outer end face of first end axis 20, and rapidly by second end axis 30 put into alloy sleeve, after natural cooling for a period of time after, you can complete the assembly work of shaft.
It should be noted that entire cooling procedure requires to apply axial pre tightening force to first end axis 20 and second end axis 30, Until after shaft is cooled to room temperature, pretightning force can be removed.
For one embodiment of the rotor shaft assembly of the utility model:
As shown in Fig. 2, first end axis 20 is made of the first shaft part 21 and the second shaft part 22, second end axis 30 is by third shaft part 31 and the 4th shaft part 32 form, wherein the first shaft part 21 is at least partially disposed in the first perforating 41, the second shaft part 22 with First shaft part 21 is connected, and the second shaft part 22 is located at the outside of the first perforating 41, and third shaft part 31 is at least partially disposed in In third perforating 43, the 4th shaft part 32 is connected with third shaft part 31, and the 4th shaft part 32 is located at the outside of third perforating 43.
In the present embodiment, the first holding tank is provided on the first shaft part 21, the setting of magnetic core 10 of part is accommodated first In slot, third holding tank is provided on third shaft part 31, the magnetic core 10 of part is arranged in third holding tank.
The first holding tank is provided on first shaft part 21, the magnetic core 10 of part is arranged in the first holding tank, is filled reducing Complexity with tooling while improve assembly yield, also significantly reduces the processing cost of permanent-magnet material.
For second embodiment of the rotor shaft assembly of the utility model:
As shown in figure 3, first end axis 20 is made of the first shaft part 21 and the second shaft part 22, second end axis 30 is by third shaft part 31 and the 4th shaft part 32 form, wherein the first shaft part 21 is at least partially disposed in the first perforating 41, the second shaft part 22 with First shaft part 21 is connected, and the second shaft part 22 is located at the outside of the first perforating 41, and third shaft part 31 is at least partially disposed in In third perforating 43, the 4th shaft part 32 is connected with third shaft part 31, and the 4th shaft part 32 is located at the outside of third perforating 43.
In the present embodiment, the first holding tank is provided on the first shaft part 21, the setting of magnetic core 10 of part is accommodated first In slot, third shaft part 31 is abutted against with magnetic core 10.
The utility model additionally provides a kind of rotor, including rotor shaft assembly, and rotor shaft assembly is above-mentioned armature spindle group Part.
The utility model additionally provides a kind of motor, including rotor, and rotor is above-mentioned rotor.
It can be seen from the above description that the above embodiments of the present invention achieve the following technical effects:
The rotor shaft assembly of the utility model is made of magnetic core 10, first end axis 20, second end axis 30 and protective jacket 40, By the way that the aperture value of each perforating for magnetic core 10, first end axis 20 and second end axis 30 to be arranged in protective jacket 40 is set Be set to that size is unequal, the axially position to protective jacket 40 may be implemented, rotor shaft assembly can also be avoided in assembly side axis and The problem of axis misaligns is susceptible to when magnet steel.Wherein, it is disposed with the first perforating 41 on protective jacket 40, second wears Hole 42 and third perforating 43, first end axis 20 are threaded through in the first perforating 41, and at least part of magnetic core 10 is arranged second In perforating 42, second end axis 30 is threaded through in third perforating 43.
The most narrow spacing of hole wall of the center line of the protective jacket 40 of the rotor shaft assembly of the utility model away from the first perforating 41 From for a, the center line of protective jacket 40 is b away from the minimum range of the hole wall of the second perforating 42, and the center line of protective jacket 40 is away from the The minimum range of the hole wall of three perforatings 43 is c.It is unequal with b by being provided at least one of a and c so that protective jacket 40 variable thickness, to be formed for carrying out the ladder-like of axially position, solution to magnetic core 10, first end axis 20 and second end axis 30 Rotor shaft assembly in the prior art of having determined is susceptible to the problem of axis misaligns in assembly side axis and magnet steel.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, " Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way Data can be interchanged in the appropriate case, so that presently filed embodiment described herein for example can be in addition to herein Sequence other than those of diagram or description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that Be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment not Those of be necessarily limited to clearly to list step or unit, but may include not listing clearly or for these processes, side The intrinsic other steps of method, product or equipment or unit.
For ease of description, herein can with use space relative terms, as " ... on ", " in ... top ", " ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure Except different direction in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction " Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and " in ... lower section " two kinds of orientation.The device can also other different modes positioning (be rotated by 90 ° or be in other orientation), and And respective explanations are made to the opposite description in space used herein above.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (12)

1. a kind of rotor shaft assembly, which is characterized in that including:
Magnetic core (10);
First end axis (20);
Second end axis (30);
Protective jacket (40) is disposed with the first perforating (41), the second perforating (42) and third on the protective jacket (40) Perforating (43), the first end axis (20) are threaded through in first perforating (41), at least part of magnetic core (10) In second perforating (42), the second end axis (30) is threaded through in the third perforating (43) for setting;
The minimum range of hole wall of the center line of the protective jacket (40) away from first perforating (41) is a, the protective jacket (40) minimum range of hole wall of the center line away from second perforating (42) is b, the center line of the protective jacket (40) away from The minimum range of the hole wall of the third perforating (43) is c, wherein at least one of a and c are unequal with b.
2. rotor shaft assembly according to claim 1, which is characterized in that the protective jacket (40) is cylinder, described the One perforating (41), second perforating (42) and the third perforating (43) are circular hole, wherein described first wears At least one of the aperture value in hole (41) and the aperture value of the third perforating (43) are more than second perforating (42) Aperture value.
3. rotor shaft assembly according to claim 1, which is characterized in that be provided with the first appearance on the first end axis (20) Receive slot, the magnetic core (10) of part is arranged in first holding tank;Or, the first end of the magnetic core (10) is provided with The first end axis (20) of two holding tanks, part is arranged in second holding tank.
4. rotor shaft assembly according to claim 3, which is characterized in that between the magnetic core (10) and first holding tank Gap coordinates;Or, the first end axis (20) and the second holding tank clearance fit.
5. rotor shaft assembly according to claim 1 or 3, which is characterized in that be provided on the second end axis (30) The magnetic core (10) of three holding tanks, part is arranged in the third holding tank;Or, the second end setting of the magnetic core (10) There are the 4th holding tank, the second end axis (30) of part to be arranged in the 4th holding tank.
6. rotor shaft assembly according to claim 5, which is characterized in that between the magnetic core (10) and the third holding tank Gap coordinates;Or, the second end axis (30) and the 4th holding tank clearance fit.
7. rotor shaft assembly according to claim 1, which is characterized in that the first end axis (20) includes:
First shaft part (21), first shaft part (21) are at least partially disposed in first perforating (41);
Second shaft part (22), second shaft part (22) are connected with first shaft part (21), the second shaft part (22) position In the outside of first perforating (41);
Wherein, the first holding tank is provided on first shaft part (21), the magnetic core (10) of part is arranged described first In holding tank.
8. rotor shaft assembly according to claim 1 or claim 7, which is characterized in that the second end axis (30) includes:
Third shaft part (31), the third shaft part (31) are at least partially disposed in the third perforating (43);
4th shaft part (32), the 4th shaft part (32) are connected with the third shaft part (31), the 4th shaft part (32) position In the outside of the third perforating (43);
Wherein, third holding tank is provided on the third shaft part (31), the magnetic core (10) of part is arranged in the third In holding tank.
9. rotor shaft assembly according to claim 1, which is characterized in that first perforating (41) is worn with described second Apertured (42) is connected, and the aperture value of first perforating (41) is more than the aperture value of second perforating (42), described First end axis (20) is abutted against with the plane where the aperture of second perforating (42).
10. the rotor shaft assembly according to claim 1 or 9, which is characterized in that the third perforating (43) and described the Two perforatings (42) are connected, and the aperture value of the third perforating (43) is more than the aperture value of second perforating (42), The second end axis (30) abuts against with the plane where the aperture of second perforating (42).
11. a kind of rotor, including rotor shaft assembly, which is characterized in that the rotor shaft assembly is any in claims 1 to 10 Rotor shaft assembly described in.
12. a kind of motor, including rotor, which is characterized in that the rotor is the rotor described in claim 11.
CN201820109246.6U 2018-01-22 2018-01-22 Rotor shaft assembly, rotor and motor Withdrawn - After Issue CN207819654U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820109246.6U CN207819654U (en) 2018-01-22 2018-01-22 Rotor shaft assembly, rotor and motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820109246.6U CN207819654U (en) 2018-01-22 2018-01-22 Rotor shaft assembly, rotor and motor

Publications (1)

Publication Number Publication Date
CN207819654U true CN207819654U (en) 2018-09-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820109246.6U Withdrawn - After Issue CN207819654U (en) 2018-01-22 2018-01-22 Rotor shaft assembly, rotor and motor

Country Status (1)

Country Link
CN (1) CN207819654U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108054867A (en) * 2018-01-22 2018-05-18 珠海格力电器股份有限公司 Rotor shaft assembly, rotor and motor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108054867A (en) * 2018-01-22 2018-05-18 珠海格力电器股份有限公司 Rotor shaft assembly, rotor and motor
WO2019141035A1 (en) * 2018-01-22 2019-07-25 珠海格力电器股份有限公司 Rotor shaft assembly, rotor, and motor
US11735976B2 (en) 2018-01-22 2023-08-22 Gree Electric Appliances, Inc. Of Zhuhai Rotor shaft assembly, rotor and motor

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