CN206790274U - Armature spindle, rotor assembly and motor - Google Patents
Armature spindle, rotor assembly and motor Download PDFInfo
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- CN206790274U CN206790274U CN201720435963.3U CN201720435963U CN206790274U CN 206790274 U CN206790274 U CN 206790274U CN 201720435963 U CN201720435963 U CN 201720435963U CN 206790274 U CN206790274 U CN 206790274U
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- rotor
- armature spindle
- motor
- rotor assembly
- bearing
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Abstract
Machine field is the utility model is related to, discloses a kind of armature spindle, rotor assembly and motor, wherein, the armature spindle is multi-diameter shaft to form the radial direction step for abutting simultaneously Limit Bearing inner ring end face on the armature spindle.Technical scheme provided by the utility model can effectively reduce the production process of motor and rotor assembly, reduce the production cost of motor and rotor assembly, the service life of armature spindle, rotor assembly and motor is improved, and weakens motor and air-conditioning noise operationally and vibration.
Description
Technical field
Machine field is the utility model is related to, in particular it relates to a kind of armature spindle of improved structure, further, this practicality
It is new to further relate to a kind of rotor assembly and motor.
Background technology
The motor used in motor such as air-conditioning, its species model are various.Wherein rotor model is to determine motor model
One of factor.By taking cage rotor as an example, cage rotor generally comprises rotor core, sliver and end ring.End ring is located at rotor
In the both ends of the surface of iron core, formed with multiple circumferencial direction circumference equidistantly distributeds along rotor core on the outer peripheral face of rotor core
Groove, each groove on axle to insertion rotor core, sliver in the groove, and the both ends of sliver respectively with rotor iron
End ring electrical connection in the both ends of the surface of core.The model of cage rotor is by the aperture of rotor core, the thickness of rotor core radially,
End ring size factor such as thickness and diameter on end ring axial direction determines.Manufacture the mould that the various rotor of these models needs
Type is more, and quantity is more, causes part management complicated.
And motor of the prior art, the armature spindle in its rotor assembly assemble with bearing usually in the following way.
Specifically, refer to Fig. 1-Fig. 3, circumferentially embedded on the outer peripheral face of the armature spindle in rotor assembly formed with jump-ring slot, jump-ring slot
Enter jump ring, coaxial bearing is assembled on armature spindle and with jump ring against being carried out by jump ring to bearing spacing.
Jump-ring slot on armature spindle easily causes the reduction of armature spindle rigidity, and armature spindle can bear torsion reduction at fluting, make
Service life into armature spindle shortens.
In addition, the setting of armature spindle jump-ring slot causes the complex manufacturing of rotor assembly, the production of armature spindle is easily reduced
Product precision, it can further increase motor and air-conditioning noise operationally and vibration.
Also, there is the motor of above-mentioned rotor assembly in producing line assembling process, it is necessary to increase assembling jump ring process, expend people
Power, material resources are more, are unfavorable for reducing cost.
Utility model content
The purpose of this utility model is to provide a kind of production process that can reduce motor and rotor assembly, reduce motor and
When the production cost of rotor assembly, improving rotating shaft, the service life of rotor assembly and motor, and weakening motor and operation of air conditioner
Noise and the technical scheme of vibration.
To achieve these goals, the utility model first aspect provides a kind of armature spindle, and the armature spindle is multi-diameter shaft
To form the radial direction step for abutting simultaneously Limit Bearing inner ring end face on the armature spindle.
Preferably, on the armature spindle formed with two radial direction steps, the rotor shaft between described two radial direction steps
Rotor can be installed by dividing.
Preferably, the radial diameter of the rotor shaft part between described two radial direction steps is more than described two radial direction steps
Outside rotor shaft part radial diameter.
Preferably, the radial diameter of the rotor shaft part between described two radial direction steps than described two radial direction steps it
The big 1mm-5mm of radial diameter of outer rotor shaft part.
Based on the armature spindle described in the utility model first aspect, it is total that the utility model second aspect provides a kind of rotor
Into the rotor assembly includes armature spindle and the rotor being coaxially mounted on the armature spindle, and the armature spindle is that this practicality is new
Armature spindle described in type first aspect.
Preferably, the rotor is cage rotor.
Preferably, the cage rotor includes rotor core, sliver and end ring, and the end ring is located at the rotor core
Both ends of the surface on, formed with multiple circumferencial direction circumference equidistantly distributeds along rotor core on the outer peripheral face of the rotor core
Groove, each groove is to the rotor core is penetrated on axle, and the sliver is in the groove, and the two of the sliver
End electrically connects with the end ring in the both ends of the surface of the rotor core respectively.
Preferably, the end ring is aluminium ring.
The rotor assembly provided based on the utility model second aspect, the utility model third aspect provide a kind of motor,
Rotor assembly including motor casing and in the motor casing, the rotor assembly are described in the utility model second aspect
Rotor assembly.
Preferably, the rotor outer shaft sleeve is connected to bearing, is received in the motor casing formed with bearing reception room, the bearing
It is dissolved in the bearing reception room.
Technical scheme provided by the utility model has the advantages that：
Armature spindle provided by the utility model is multi-diameter shaft, and to form radial direction step on armature spindle, the radial direction step is used
It is spacing by the offer of radial direction step so as to limit the displacement of bearing in the axial direction in the inner ring end face for abutting bearing,
During assembling bearing, without increasing jump ring, reduce the production process of motor, reduce human and material resources cost.Also,
The setting of radial direction step causes the unnecessary jump-ring slot for being provided for installing jump ring, the jump ring of armature spindle on the outer peripheral face of armature spindle
Groove can effectively improve the rigidity of armature spindle, the service life of Extending Rotor axle after cancelling.
In addition, after the rigidity of armature spindle improves so that armature spindle can carry more polytypic and the rotor of specification, change speech
It, in order to improve rotor with different pore size of the armature spindle rigidity to carry rotor weight and produce in initial machine, makes
After armature spindle provided by the utility model, various sizes of rotor aperture is not necessarily formed, it is, provided by the utility model
Rotor assembly can effectively reduce the aperture size type of rotor, reduce because rotor aperture is different and caused by rotor specification and model
The defects of various, it is easy to the making of rotor and the management of parts.
Further, motor provided by the utility model is due to using the rotor assembly with said structure, therefore, producing
During needed for manufacturing procedure it is lower, required parts are less, save manpower and materials cost, and due on armature spindle
Jump-ring slot need not be shaped, therefore, armature spindle has higher rigidity, and the life-span of rotor assembly improves, and then also extends electricity
The service life of machine, also, because bearing by jump ring without being installed on armature spindle, therefore can effectively weaken motor and transport
Noise and vibration during row.
Further, because motor provided by the utility model has beneficial effect as described above, therefore, there is above-mentioned electricity
The air-conditioning service life of machine is longer, and generation cost is lower, and operation noise and vibration are smaller.
Brief description of the drawings
Fig. 1 is the structural representation of rotor assembly of the prior art；
Fig. 2 is assembling schematic diagram of the rotor assembly of the prior art in motor；
Fig. 3 is the enlarged drawing of I parts in Fig. 2；
Fig. 4 is the structural representation for the rotor assembly that the utility model embodiment provides；
Fig. 5 is assembling schematic diagram of the rotor assembly of the utility model embodiment offer in motor；
Fig. 6 is the enlarged drawing of I parts in Fig. 5.
Description of reference numerals
1- armature spindles；2- rotors；
3- bearings；4- jump rings；
5- location structures；6- motor casings.
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
In the utility model embodiment, in the case where not making opposite explanation, the noun of locality that uses as " it is upper and lower, left,
It is right " typically refer to the signified upper and lower, left and right of refer to the attached drawing." inside and outside " refers to relative to the inside and outside of part profile itself.
Referring to Fig. 1, the rotor assembly in motor generally comprises rotor 2 and armature spindle 1, rotor 2 is coaxially mounted to described
Armature spindle 1 is outer and is fixedly connected with the armature spindle 1.When in use, the armature spindle 1 is connected with power source, and in power source
Driving under along the synchronous axial system of direction rotor driven 2 perpendicular to the axis of armature spindle 1.Armature spindle 1 of the prior art is general
For the cylinder of even thickness, in order to realize that armature spindle 1 is rotated, it is necessary to install bearing 3 on armature spindle 1.As shown in figure 1, turn
Sub- axle 1 can specifically install bearing 3 in the following way：Along perpendicular to armature spindle axis direction on the outer peripheral face of armature spindle 1
Ring circumferential direction formed with jump-ring slot, jump-ring slot is embedded in jump ring, and the coaxial sleeve of bearing 3 is connected on armature spindle 1 and abutted with jump ring.
Refer to Fig. 2 and Fig. 3, the rotor assembly in motor is assemblied in motor casing 6, is had in motor casing 6 and is used to house
The bearing host cavity of bearing, bearing host cavity is interior to be provided with location structure 5, and the inner ring end face of the one end of bearing 3 abuts with jump ring, bearing
3 other end contacts with the location structure 5 in motor casing 6, passes through the collective effect pair of location structure 5 in jump ring and motor casing 6
Bearing 3 carry out it is spacing, so that rotor assembly is positioned in motor casing 6.During motor operation, the outer end of armature spindle 1 and power source
Connection, and rotor driven 2 moves in a circle around own axes under the driving of power source and the support of bearing 3.
Referring to Fig. 4, the utility model embodiment first aspect provides a kind of armature spindle, it is total with rotor of the prior art
Into the structure of armature spindle 1 it is different, in the utility model embodiment, avoid opening up jump-ring slot on the outer peripheral face of armature spindle 1, take and generation
, the armature spindle 1 is multi-diameter shaft to form the footpath for abutting simultaneously Limit Bearing inner ring end face on the armature spindle
To step.That is, armature spindle 1 is at least divided into two parts in the axial direction, and the radial diameter of one of part is more than another part
Radial diameter, between adjacent two parts formed perpendicular to the axis direction of armature spindle 1 annular cascaded surface.By this
Cascaded surface can provide spacing for the installation of bearing 3, so as to during bearing 3 is assembled, without increasing jump ring, reduce electricity
The production process of machine, reduce human and material resources cost.Also, the setting of radial direction step causes need not on the outer peripheral face of armature spindle 1
It is provided for installing the jump-ring slot of jump ring, the rigidity of armature spindle 1 can be effectively improved after the jump-ring slot cancellation of armature spindle 1, is prolonged
The service life of long armature spindle 1.
In addition, after the rigidity of armature spindle 1 improves so that armature spindle 1 can carry more polytypic and the rotor 2 of specification, change
Yan Zhi, in order to improve rotor 2 with different pore size of the rigidity of armature spindle 1 to carry the weight of rotor 2 and produce in initial machine,
After using armature spindle 1 provided by the utility model, the various sizes of aperture of rotor 2 is not necessarily formed, it is, the utility model
The armature spindle of offer can effectively reduce the aperture size type of rotor 2, reduce because the aperture of rotor 2 is different and caused by rotor 2 advise
The defects of lattice and various model, it is easy to the making of rotor 2 and the management of parts.
The armature spindle 1 is typically arranged in motor casing 6 by two bearings 3.In order to reduce jump ring to greatest extent
Usage quantity simultaneously avoids opening up jump-ring slot on armature spindle 1, it is preferable that formed with two radial direction steps, institute on the armature spindle 1
State on the part of armature spindle 1 that rotor 2 is coaxially mounted between described two radial direction steps.That is, described armature spindle 1 is in axis direction
On can be divided between three sections, adjacent two sections formed perpendicular to the axis direction cascaded surface, the cascaded surface is specially anchor ring.
Abutted by inner ring end face of two cascaded surfaces respectively with two bearings 3, so as to which respectively two bearings 3 provide the axial upper limit
Position.And the rotor 2 is between described two radial direction steps, and described two radial direction steps are respectively close to the rotor 2
Both ends.
Preferably, in order to improve the weight capacity to rotor 2 of the armature spindle 1, the rigidity of the armature spindle 1 is improved,
The radial diameter of the part of armature spindle 1 between described two radial direction steps is more than described two radial direction steps to the outer rotor
The diameter of axle portion position.Thus, the position of the rotor 2 being directly supported, the armature spindle 1 has bigger rigidity, so as to
To improve weight capacity of the armature spindle 1 to rotor 2.That is, the armature spindle 1 with the structure goes for more model specifications
Rotor 2 is installed.As previously described, the rotor assembly with the construction rotor axle 1 can reduce the rotor 2 that is used in air-conditioning
Specifications and models quantity, the amount of parts produced needed for the rotor assembly is reduced, and reduce cost.
Preferably, it is effectively spacing in order to be provided to the bearing 3, and avoid rotation of the radial direction step to bearing 3 from forming resistance
Hinder, the radial diameter at the armature spindle position between described two radial direction steps is than described two radial direction steps to outer rotor shaft
The big 1mm-5mm of radial diameter of position.
The armature spindle provided based on the utility model embodiment first aspect, the utility model embodiment second aspect are provided
A kind of rotor assembly, the rotor assembly include armature spindle and the rotor being coaxially mounted on the armature spindle, wherein, the rotor
Axle is the armature spindle described in the utility model embodiment first aspect.
Fig. 5 and Fig. 6 are referred to, in order to which the rotor assembly is arranged in motor casing, and can be in the driving of power source
Lower rotation, the rotor assembly also include bearing 3, and support is provided by rotation of the bearing 3 for the armature spindle 1.It is described
Bearing 3 is same to be located on the rotor 2, and the inner ring end face of one end of the bearing 3 can be with the rank of the radial direction step
Tread directly contacts, and the other end of the bearing 3 is in contact with the location structure 5 in motor casing 6, in the cascaded surface and institute
The receiving space that bearing 3 is formed between location structure 5 is stated, to be positioned to the bearing 3.
Wherein, the species of the rotor 2 can have a variety of, such as cage rotor or phase-wound rotor etc., the present embodiment
In, the rotor 2 is cage rotor, and the cage rotor includes rotor core, sliver and end ring, and the end ring is located at institute
State in the both ends of the surface of rotor core, it is circumferential formed with multiple circumferencial directions along rotor core on the outer peripheral face of the rotor core
The groove of equidistantly distributed, each groove is to the rotor core is penetrated on axle, and the sliver is in the groove, and institute
The both ends for stating sliver electrically connect with the end ring in the both ends of the surface of the rotor core to form short-circuited winding respectively.The end ring is
It is capable of conductive becket, in the present embodiment, the end ring is aluminium ring.The armature spindle 1 axially penetrates through the rotor core
Axis hole and install.
Fig. 5 and Fig. 6 are referred to, the rotor assembly provided based on the utility model embodiment second aspect, the utility model
The embodiment third aspect provides a kind of motor, and rotor of the motor including motor casing 6 and in the motor casing 6 is total
Into, wherein, the rotor assembly is the rotor assembly described in the utility model embodiment second aspect.The rotor assembly installation
When in the motor casing 6.Specifically, bearing 3 is socketed with outside the armature spindle 1, is housed in the motor casing 6 formed with bearing
Room, the bearing 3 are contained in the bearing reception room.More specifically, it is provided with location structure 5, bearing 3 one in bearing reception room
The inner ring end face at end is in contact with the cascaded surface on the armature spindle 1, and the other end of bearing 3 in the body of motor casing 6 with determining
Bit architecture 5 is in contact, by the radial direction step collective effect on the location structure 5 and the armature spindle 1 in motor casing 6 by bearing
3 are positioned in motor casing 6, and armature spindle 1 is socketed with bearing 3, and are stably mounted to by bearing 3 in motor casing 6.
Required manufacturing procedure is less in process of production for the motor that the utility model embodiment third aspect provides, required
Parts it is less, save manpower and materials cost, and due to jump-ring slot need not be shaped on armature spindle 1, therefore, armature spindle 1
With higher rigidity, the life-span of rotor assembly improves, and then also extends the service life of motor, also, due to bearing 3
Without being installed on by jump ring on armature spindle 1, therefore it can effectively reduce motor noise in the process of running and vibration.
Further, have the service life of the air-conditioning of the motor of the utility model embodiment third aspect offer longer, produce
This is lower for generation, and operation noise and vibration are smaller.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing
In this.In range of the technology design of the present utility model, a variety of simple variants can be carried out to the technical solution of the utility model.
It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model
Various combinations of possible ways are no longer separately illustrated.But these simple variants and combination should equally be considered as the utility model institute
Disclosure, belong to the scope of protection of the utility model.
Claims (10)
1. a kind of armature spindle, it is characterised in that the armature spindle is that multi-diameter shaft is used to abut simultaneously to be formed on the armature spindle
The radial direction step of Limit Bearing inner ring end face.
2. armature spindle according to claim 1, it is characterised in that formed with two radial direction steps, institute on the armature spindle
Rotor can be installed by stating the rotor shaft part between two radial direction steps.
3. armature spindle according to claim 2, it is characterised in that rotor shaft part between described two radial direction steps
Radial diameter is more than the radial diameter of the rotor shaft part outside described two radial direction steps.
4. armature spindle according to claim 3, it is characterised in that rotor shaft part between described two radial direction steps
Radial diameter is bigger 1mm-5mm than the radial diameter of the rotor shaft part outside described two radial direction steps.
5. a kind of rotor assembly, it is characterised in that the rotor assembly includes armature spindle and is coaxially mounted on the armature spindle
Rotor, the armature spindle is armature spindle according to any one in claim 1-4.
6. rotor assembly according to claim 5, it is characterised in that the rotor is cage rotor.
7. rotor assembly according to claim 6, it is characterised in that the cage rotor includes rotor core, sliver
And end ring, the end ring is in the both ends of the surface of the rotor core, formed with multiple edges on the outer peripheral face of the rotor core
The groove of the circumferencial direction circumference equidistantly distributed of rotor core, each groove on axle to penetrating the rotor core, it is described
Sliver is in the groove, and the both ends of the sliver electrically connect with the end ring in the both ends of the surface of the rotor core respectively.
8. rotor assembly according to claim 7, it is characterised in that the end ring is aluminium ring.
9. a kind of motor, including motor casing and the rotor assembly in the motor casing, it is characterised in that the rotor is total
As the rotor assembly according to any one in claim 5-8.
10. motor according to claim 9, it is characterised in that the rotor outer shaft sleeve is connected to bearing, in the motor casing
Formed with bearing reception room, the bearing is contained in the bearing reception room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720435963.3U CN206790274U (en) | 2017-04-24 | 2017-04-24 | Armature spindle, rotor assembly and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720435963.3U CN206790274U (en) | 2017-04-24 | 2017-04-24 | Armature spindle, rotor assembly and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206790274U true CN206790274U (en) | 2017-12-22 |
Family
ID=60707777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720435963.3U Active CN206790274U (en) | 2017-04-24 | 2017-04-24 | Armature spindle, rotor assembly and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206790274U (en) |
-
2017
- 2017-04-24 CN CN201720435963.3U patent/CN206790274U/en active Active
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