CN108512345A - Bearing assembly and motor with same - Google Patents
Bearing assembly and motor with same Download PDFInfo
- Publication number
- CN108512345A CN108512345A CN201810188406.5A CN201810188406A CN108512345A CN 108512345 A CN108512345 A CN 108512345A CN 201810188406 A CN201810188406 A CN 201810188406A CN 108512345 A CN108512345 A CN 108512345A
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- bearing
- room
- supporter
- cover
- housing
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- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Support Of The Bearing (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention provides a bearing assembly and a motor with the same. Through set up the elastic bearing cover in bearing and rigid bearing cover, through the cushioning effect of elastic bearing cover, reduced the wearing and tearing between rigid bearing cover and bearing, prolonged the life of bearing, adopt the elastic bearing cover can effectively reduce the noise that produces between bearing and the bearing cover, improved this bearing assembly's practicality and reliability.
Description
Technical field
The present invention relates to motor device technical fields, in particular to a kind of bearing assembly and with its motor.
Background technology
With market development demand and to the attention of energy-saving and emission-reduction, household electrical appliance wind turbine direct currentization gradually becomes trend, mesh
Preceding motor in axial magnetic field is with its performance advantage, gradual expanded application.
In the prior art, wave pad need to be set when motor assembles in the bearing hole of electric motor end cap, prevent axial float, give axis
Certain pretightning force is held, but higher using the cost of wave pad, is unfavorable for cost-effective.Further, as shown in Figure 1, axial magnetic
Field motor bearing chamber is that bearing 30 ' is contacted with 10 ' the direct friction extruding of rigid bearing holder (housing, cover), and easy damaged, bearing are also easy to produce between the two
Galvano-cautery will produce electric spark when serious, cause initial failure, shorten motor in axial magnetic field comparative lifetime, and in complete machine work
When making, noise is larger, and user experience is poor.
Invention content
The main purpose of the present invention is to provide a kind of bearing assembly and with its motor, to solve prior art axis
The problem of holding serious wear.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of bearing assembly, including：Bearing portion；
Rigid bearing holder (housing, cover), bearing portion are set in rigid bearing holder (housing, cover)；Elastic shaft bearing sleeve, resilient bearing set are set in rigid bearing holder (housing, cover) simultaneously
Between bearing portion and the inner wall of rigid bearing holder (housing, cover).
Further, it includes that rigid bearing holder (housing, cover), which has first bearing room and the second bearing room of coaxial arrangement, bearing portion,
One bearing and second bearing, elastic shaft bearing sleeve include first axle bearing sleeve and second bearing set, and first bearing is set to first bearing
Interior, first bearing set are set in first bearing room and between first bearing and the inner wall of first bearing room, the second axis
It holds and is set in second bearing room, second bearing set is set in second bearing room and positioned at second bearing and second bearing room
Between inner wall.
Further, first axle bearing sleeve includes：First cylindrical body, the axial direction of the axis of the first cylindrical body along first bearing room
Direction is arranged；First supporter, the first end of the first supporter are connected with the end of the first cylindrical body, and the of the first supporter
Two ends extend internally along the radial direction of the first cylindrical body, and the first supporter and the first cylindrical body enclose and be set as the first accommodating chamber, the
One bearing is located in the first accommodating chamber.
Further, second bearing set includes：Second cylindrical body, the axial direction of the axis of the second cylindrical body along second bearing room
Direction is arranged；Second supporter, the first end of the second supporter are connected with the end of the second cylindrical body, and the of the second supporter
Two ends extend internally along the radial direction of the second cylindrical body, and the second supporter and the second cylindrical body enclose and be set as the second accommodating chamber, the
Two bearings are located in the second accommodating chamber.
Further, the annular table for separating first bearing room and second bearing room is provided in the middle part of rigid bearing holder (housing, cover)
First table top of rank, the first supporter and ring-shaped step abuts against, the second supporter second table top phase opposite with the first table top
It abuts.
Further, elastic shaft bearing sleeve further includes：Connector, the first end of connector are connected with the first supporter, even
The second end of junctor is connected with the second supporter.
Further, it is provided with and adds on the peripheral surface of at least one of first axle bearing sleeve, second bearing set and connector
Strengthening tendons, axis direction setting of the reinforcing rib along rigid bearing holder (housing, cover).
Further, first axle bearing sleeve and/or second bearing set are circumferentially provided with multiple hollow holes, between multiple hollow holes
It is arranged every ground.
Further first axle bearing sleeve further includes the first spacing collar, and the first spacing collar is connected with the end of the first cylindrical body
And be oppositely disposed with the first supporter, the first spacing collar is located at the outside of first bearing room, and the outer diameter of the first spacing collar is more than
The internal diameter of first bearing room is so that the first partial spacing collar is overlapped on the end face for offering first bearing room of rigid bearing holder (housing, cover)
On and/or second bearing set further include the second spacing collar, the second spacing collar is connected with the end of the second cylindrical body and with second
Supporter is oppositely disposed, and the second spacing collar is located at the outside of second bearing room, and the outer diameter of the second spacing collar is more than first bearing
The internal diameter of room is so that the second partial spacing collar is overlapped on the end face for offering second bearing room of rigid bearing holder (housing, cover).
Further one in first axle bearing sleeve and the first table top is provided with the first limited post, another is provided with and the
One in the compatible first positioning hole of one limited post and/or second bearing set and the second table top is provided with the second limited post,
Another is provided with second location hole compatible with the second limited post.
Further, first axle bearing sleeve, connector and second bearing set are wholely set, alternatively, first axle bearing sleeve with connect
Body is wholely set, and second bearing set is removably disposed with connector, alternatively, second bearing set is wholely set with connector, the
One bearing holder (housing, cover) is removably disposed with connector.
Further, at least one of the first supporter, the second supporter and connector are loop configuration.
Further, bearing assembly further includes：Shaft, shaft along rigid bearing holder (housing, cover) axis direction successively with first bearing
It is connected with second bearing.
Further, it is provided on the internal face of first bearing room, second bearing room and ring-shaped step and matches with reinforcing rib
The limiting slot of conjunction.
According to another aspect of the present invention, a kind of motor, including bearing assembly are provided, bearing assembly is above-mentioned bearing
Component.
It applies the technical scheme of the present invention, by the way that elastic shaft bearing sleeve is arranged in bearing and rigid bearing holder (housing, cover), passes through elasticity
The cushioning effect of bearing holder (housing, cover), the abrasion between reducing between rigid bearing holder (housing, cover) and bearing extend the service life of bearing, use
Elastic shaft bearing sleeve can effectively reduce the noise generated between bearing and bearing holder (housing, cover), improve the bearing assembly practicability and can
By property.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 shows the schematic cross-sectional view of motor in the prior art；
Fig. 2 shows the schematic cross-sectional views of the embodiment of motor according to the present invention；
Fig. 3 shows the structural schematic diagram of the embodiment one of bearing assembly according to the present invention；
Fig. 4 shows the schematic cross-sectional view of the embodiment two of bearing assembly according to the present invention；
Fig. 5 shows the schematic cross-sectional view of the embodiment three of bearing assembly according to the present invention；
Fig. 6 shows the configuration schematic diagram of the example IV of bearing assembly according to the present invention；
Fig. 7 shows the configuration schematic diagram of the embodiment five of bearing assembly according to the present invention；
Fig. 8 shows the schematic cross-sectional view of the embodiment six of bearing assembly according to the present invention；
Fig. 9 shows the schematic cross-sectional view of the embodiment seven of bearing assembly according to the present invention；
Figure 10 shows the schematic cross-sectional view of the embodiment eight of bearing assembly according to the present invention；
Figure 11 shows the configuration schematic diagram of the embodiment nine of bearing assembly according to the present invention.
Wherein, above-mentioned attached drawing includes the following drawings label：
10, rigid bearing holder (housing, cover)；11, first bearing room；12, second bearing room；13, ring-shaped step；131, the first table top；
132, the second table top；
20, elastic shaft bearing sleeve；21, first axle bearing sleeve；211, the first cylindrical body；212, the first supporter；213, first holds
Receive chamber；
22, second bearing set；221, the second cylindrical body；222, the second supporter；223, the second accommodating chamber；
23, connector；24, reinforcing rib；25, the first spacing collar；26, the second spacing collar；27, hollow hole；28, the first limit
Column；281, first positioning hole；29, the second limited post；
30, bearing portion；31, first bearing；32, second bearing.
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 present invention will be described in detail below with reference to the accompanying drawings and embodiments.
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.
It should be noted that term " first ", " second " etc. in the description and claims of this application and attached drawing
It is for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that the art used in this way
Language can be interchanged in the appropriate case, so that presently filed embodiment described herein for example can be in addition to illustrating herein
Or the sequence other than those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment need not limit
In those of clearly listing step or unit, but may include not listing clearly or for these processes, method, production
The intrinsic other steps of 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.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be understood that thesing embodiments are provided so that disclosure herein is thoroughly and complete, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, it is possible to expand
The big thickness of layer and region, and make that identical device is presented with like reference characters, thus omission retouches them
It states.
In conjunction with shown in Fig. 2 to Figure 11, according to an embodiment of the invention, a kind of air-out component is provided.
Specifically, as shown in Figures 2 and 3, which includes bearing portion 30, rigid bearing holder (housing, cover) 10 and elastic shaft bearing sleeve
20, bearing portion 30 is set in rigid bearing holder (housing, cover) 10, and elastic shaft bearing sleeve 20 is set in rigid bearing holder (housing, cover) 10 and is located at bearing portion
Between 30 and the inner wall of rigid bearing holder (housing, cover) 10.
In the present embodiment, by the way that elastic shaft bearing sleeve is arranged in bearing and rigid bearing holder (housing, cover), pass through elastic shaft bearing sleeve
Cushioning effect, the abrasion between reducing between rigid bearing holder (housing, cover) and bearing extend the service life of bearing, using resilient bearing
Set can effectively reduce the noise generated between bearing and bearing holder (housing, cover), improve the practicability and reliability of the bearing assembly.
As shown in Figure 2 and Figure 4, rigid bearing holder (housing, cover) 10 has first bearing room 11 and the second bearing room 12 of coaxial arrangement,
Bearing portion 30 includes first bearing 31 and second bearing 32, and elastic shaft bearing sleeve 20 includes first axle bearing sleeve 21 and second bearing set
22, first bearing 31 is set in first bearing room 11, and first axle bearing sleeve 21 is set in first bearing room 11 and is located at first
Between bearing 31 and the inner wall of first bearing room 11, second bearing 32 is set in second bearing room 12, and second bearing set 22 is set
It is placed in second bearing room 12 and between second bearing 32 and the inner wall of second bearing room 12.Bearing and hardness are set in this way
Elastic shaft bearing sleeve, the abrasion between reducing between rigid bearing holder (housing, cover) and bearing are set in bearing holder (housing, cover).
As shown in figure 4, first axle bearing sleeve 21 includes the first cylindrical body 211 and the first supporter 212, the first cylindrical body 211
Axis along first bearing room 11 axial direction be arranged, the end of the first end of the first supporter 212 and the first cylindrical body 211
Be connected, the second end of the first supporter 212 extends internally along the radial direction of the first cylindrical body 211, the first supporter 212 with
First cylindrical body 211, which is enclosed, is set as the first accommodating chamber 213, and first bearing 31 is located in the first accommodating chamber 213.Setting is convenient in this way
Cylindrical body is built-in with first bearing, carries out absorption vibrations from the circumferential direction of bearing and end face, increases the assimilation effect to vibrations.
Further, second bearing set 22 includes the second cylindrical body 221 and the second supporter 222, the second cylindrical body 221
Axial direction of the axis along second bearing room 12 is arranged, the end phase of the first end of the second supporter 222 and the second cylindrical body 221
Connection, the second end of the second supporter 222 extends internally along the radial direction of the second cylindrical body 221, the second supporter 222 and the
Two cylindrical bodies 221, which are enclosed, is set as the second accommodating chamber 223, and second bearing 32 is located in the second accommodating chamber 223.Setting is convenient in cylinder in this way
It is equipped with second bearing in shape body, absorption vibrations is carried out from the circumferential direction of bearing and end face, increases the assimilation effect to vibrations.
As shown in figure 4, the middle part of rigid bearing holder (housing, cover) 10 is provided with and separates first bearing room 11 and second bearing room 12
First table top 131 of ring-shaped step 13, the first supporter 212 and ring-shaped step 13 abuts against, the second supporter 222 and First
The second opposite table top 132 of face 131 abuts against.Setting is convenient for that multiple bearings are arranged using ring-shaped step in this way.
As shown in Fig. 8 to Fig. 9, elastic shaft bearing sleeve 20 further includes connector 23, the first end of connector 23 and the first support
Body 212 is connected, and the second end of connector 23 is connected with the second supporter 222.Setting is more steady convenient for elastic shaft bearing sleeve in this way
It is fixed to be connected with rigid bearing holder (housing, cover) and bearing.
As shown in Fig. 2, Fig. 5, Fig. 9 and Figure 10, at least one in first axle bearing sleeve 21, second bearing set 22 and connector 23
Reinforcing rib 24 is provided on a peripheral surface, reinforcing rib 24 is arranged along the axis direction of rigid bearing holder (housing, cover) 10.Setting makes in this way
Elastic shaft bearing sleeve is more securely connected with rigid bearing holder (housing, cover) and bearing.
As shown in fig. 7, first axle bearing sleeve 21 or second bearing set 22 are circumferentially provided with multiple hollow holes 27, multiple hollow outs
Hole 27 is positioned apart from, and certainly, first axle bearing sleeve 21 and second bearing set 22 can also be provided with multiple hollow holes simultaneously.And
And the circle body thickness of non-openwork hole is slightly larger than the internal diameter of bearing chamber.Setting dissipates convenient for promoting stock utilization and improving in this way
Hot property.
As shown in Figure 4 and Figure 8, first axle bearing sleeve 21 further includes the first spacing collar 25, the first spacing collar 25 and the first tubular
The end of body 211 is connected and is oppositely disposed with the first supporter 212, and the first spacing collar 25 is located at the outer of first bearing room 11
The outer diameter in portion, the first spacing collar 25 is more than the internal diameter of first bearing room 11 so that the first partial spacing collar 25 is overlapped on rigid axis
On the end face for offering first bearing room 11 of bearing sleeve 10 or second bearing set 22 further includes the second spacing collar 26, the second limit
Circle 26 is connected with the end of the second cylindrical body 221 and is oppositely disposed with the second supporter 222, and the second spacing collar 26 is positioned at the
The outside of two bearing chambers 12, the outer diameter of the second spacing collar 26 is more than the internal diameter of first bearing room 11 so that partial the second spacing collar
26 are overlapped on the end face for offering second bearing room 12 of rigid bearing holder (housing, cover) 10.Certainly, first axle bearing sleeve and second bearing set
It can also be designed with the first spacing collar and the second spacing collar, setting in this way is convenient for elastic shaft bearing sleeve stronger and rigid bearing holder (housing, cover)
It is connected.
As shown in Fig. 6 and Figure 11, one in first axle bearing sleeve 21 and the first table top 131 is provided with the first limited post 28,
Another is provided in first positioning hole 281 compatible with the first limited post 28 or second bearing set 22 and the second table top 132
One be provided with the second limited post 29, another is provided with second location hole compatible with the second limited post 29.Certainly,
One in one bearing holder (housing, cover) 21 and the first table top 131 may be provided with one in second bearing set 22 and the second table top 132
Limited post, in this way setting are connected convenient for elastic shaft bearing sleeve is stronger with rigid bearing holder (housing, cover).
In the present embodiment, first axle bearing sleeve 21, connector 23 and second bearing set 22 are wholely set, alternatively, first axle
Bearing sleeve 21 is wholely set with connector 23, and second bearing set 22 is removably disposed with connector 23, alternatively, second bearing set 22
It is wholely set with connector 23, first axle bearing sleeve 21 is removably disposed with connector 23.Elastic shaft bearing sleeve is convenient in setting in this way
More easily it is connected with rigid bearing holder (housing, cover).
Further, at least one of the first supporter 212, the second supporter 222 and connector 23 are loop configuration.
Setting is connected convenient for elastic shaft bearing sleeve is stronger with rigid bearing holder (housing, cover) in this way.
In the present embodiment, bearing assembly further includes shaft, shaft along rigid bearing holder (housing, cover) 10 axis direction successively with the
One bearing 31 is connected with second bearing 32.
In the present embodiment, be provided on the internal face of first bearing room 11, second bearing room 12 and ring-shaped step 13 with
24 matched limiting slot of reinforcing rib.Setting is connected convenient for elastic shaft bearing sleeve is stronger with rigid bearing holder (housing, cover) in this way.
Bearing assembly in above-described embodiment can be also used for motor device technical field, i.e., another party according to the present invention
Face, provides a kind of motor, including bearing assembly, and bearing assembly is the bearing assembly in above-described embodiment.
In the prior art, wave pad need to be set when motor assembles in the bearing hole of electric motor end cap, prevent axial float, give axis
Certain pretightning force is held, but the cost of wave pad is higher.And in this application, in bearing chamber plus with the resilient bearing of step
Set, may replace the use of wave pad, cost-effective.
When conventional axial magnetic field electric motor complete machine moves, rotor-side vibration has an impact stator side, causes overall noise difference
Problem.Using the electric machine structure in the present embodiment, the electric machine structure be integral type or 2 unit split elastic shaft bearing sleeves between
Among rigid bearing holder (housing, cover) and bearing, solves the problems, such as that conventional motors noise is larger from the transmission path of energy, play drop
The effect made an uproar.
Conventional axial magnetic field electric motor bearing chamber is that bearing is contacted with rigid bearing holder (housing, cover) direct friction extruding, between the two rapid wear
Wound avoids being in direct contact for rigid bearing holder (housing, cover) and bearing using the elastic shaft bearing sleeve in the present embodiment, solves conventional axial magnetic
The bearing of the field motor problem short with rigid bearing holder (housing, cover) comparative lifetime.
Using the elastic shaft bearing sleeve, avoids conventional axial magnetic field and problem of high cost is caused using wave pad.The elastic shaft
Bearing sleeve is made of insulating materials, can effectively weaken the risk of bearing galvano-cautery.
The rotor structure for using the application avoids rigid bearing holder (housing, cover) and is in direct contact with bearing, and elastic shaft bearing sleeve is set
Meter, optimizes motor noise problem, plays Noise Reduction.Last item can be disposably solved using the bearing assembly of the structure to hold
When, resilient bearing is sleeved on the damage reduced between rigid bearing holder (housing, cover) and bearing between the two, to solve rigid bearing holder (housing, cover) and bearing
Between service life shorter problem, step elastic shaft bearing sleeve can replace the use of wave pad.
Conventional axial magnetic field electric motor bearing chamber is contacted with rigid bearing holder (housing, cover) direct friction extruding for bearing and axial magnetic pull,
Make easy damaged between the two, when last item is held, above-mentioned bearing holder (housing, cover) avoids being in direct contact for rigid bearing holder (housing, cover) and bearing, solves tradition
The bearing of the motor in axial magnetic field problem short with rigid bearing holder (housing, cover) comparative lifetime.
In the electric machine structure, it is provided with close-fitting elastic shaft bearing sleeve between the rigid bearing holder (housing, cover) of two bearings room and bearing, hardness
" step " structure be may be configured as in bearing holder (housing, cover) to form close-fitting screens.
Elastic shaft bearing sleeve may be designed as uniformly distributed hollow design, and hollow out face is located on bearing outer ring face, and increasing heat radiation area carries
It rises material and is conducive to rate.
The problem of for technical background, propose a kind of rotor structure, solve between conventional motors bearing chamber rigid bearing holder (housing, cover) with
Direct friction connectivity problem between bearing reduces the damage of bearing and rigid bearing inner room, improves the axis of conventional axial magnetic field electric motor
It holds and bearing holder (housing, cover) comparative lifetime problem.Noise problem during improvement motor movement, promotes properties of product, weakens bearing and generates electricity
Corrosion risk, the structure can be conducive to carry out actual processing production and volume production application.
As shown in figure 3, rotor of the present invention is made of rotor and rigid bearing holder (housing, cover), bearing, elastic shaft bearing sleeve.
As shown in Figure 4 and Figure 8, according to performance requirement, elastic shaft bearing sleeve is made of 1 or 2 unitary elasticity bearing holder (housing, cover)s.Change
Kind motor in axial magnetic field noise difference problem.The damage for reducing bearing and rigid bearing inner room extends the service life, weakens conventional axial magnetic
Field motor bearing galvano-cautery risk solves conventional axial magnetic field electric motor rotor technique bottleneck.
As shown in figure 8, this elastic shaft bearing sleeve is step structure, according to installation requirements, may be selected to use 1 or 2 units
Elastic shaft bearing sleeve is connect between bearing with rigid bearing inner room.
As shown in Fig. 5, Fig. 9 and Figure 10, this elastic shaft bearing sleeve is that band reinforcing rib structure may be selected to adopt according to performance requirement
It is connect with rigid bearing holder (housing, cover) middle position band rib with rigid bearing holder (housing, cover) and the band rib mating connection of bearing junction or integral type.
When mounted, the indentation of rigid bearing holder (housing, cover) is first carried out, then by elastic shaft bearing sleeve by being squeezed into rigid bearing holder (housing, cover)
In, finally upper and lower two bearings are distributed in the rigid bearing holder (housing, cover) of indentation.
Than that described above, it is also necessary to which explanation is " one embodiment " spoken of in the present specification, " another implementation
Example ", " embodiment " etc. refer to that specific features, structure or the feature of embodiment description is combined to be included in the application summary
Property description at least one embodiment in.It is not centainly to refer to the same reality that statement of the same race, which occur, in multiple places in the description
Apply example.Furthermore, it is understood that when describing a specific features, structure or feature in conjunction with any embodiment, what is advocated is knot
Other embodiment is closed to realize that this feature, structure or feature are also fallen within the scope of the present invention.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (15)
1. a kind of bearing assembly, which is characterized in that including：
Bearing portion (30)；
Rigid bearing holder (housing, cover) (10), the bearing portion (30) are set in the rigid bearing holder (housing, cover) (10)；
Elastic shaft bearing sleeve (20), the elastic shaft bearing sleeve (20) are set in the rigid bearing holder (housing, cover) (10) and are located at the bearing
Between portion (30) and the inner wall of the rigid bearing holder (housing, cover) (10).
2. bearing assembly according to claim 1, which is characterized in that the hardness bearing holder (housing, cover) (10) has coaxial arrangement
First bearing room (11) and second bearing room (12), the bearing portion (30) include first bearing (31) and second bearing (32),
The elastic shaft bearing sleeve (20) includes first axle bearing sleeve (21) and second bearing set (22), and the first bearing (31) is set to institute
It states in first bearing room (11), the first axle bearing sleeve (21) is set in the first bearing room (11) and is located at described first
Between bearing (31) and the inner wall of the first bearing room (11), the second bearing (32) is set to the second bearing room
(12) in, the second bearing set (22) is set in the second bearing room (12) and is located at the second bearing (32) and institute
Between the inner wall for stating second bearing room (12).
3. bearing assembly according to claim 2, which is characterized in that the first axle bearing sleeve (21) includes：
The axis of first cylindrical body (211), first cylindrical body (211) is set along the axial direction of the first bearing room (11)
It sets；
First supporter (212), the end phase of the first end of first supporter (212) and first cylindrical body (211)
Connection, the second end of first supporter (212) extends internally along the radial direction of first cylindrical body (211), described
First supporter (212) is enclosed with first cylindrical body (211) is set as the first accommodating chamber (213), first bearing (31) position
In first accommodating chamber (213).
4. bearing assembly according to claim 3, which is characterized in that the second bearing set (22) includes：
The axis of second cylindrical body (221), second cylindrical body (221) is set along the axial direction of the second bearing room (12)
It sets；
Second supporter (222), the end phase of the first end of second supporter (222) and second cylindrical body (221)
Connection, the second end of second supporter (222) extends internally along the radial direction of second cylindrical body (221), described
Second supporter (222) is enclosed with second cylindrical body (221) is set as the second accommodating chamber (223), second bearing (32) position
In second accommodating chamber (223).
5. bearing assembly according to claim 4, which is characterized in that be provided in the middle part of hardness bearing holder (housing, cover) (10) by
The ring-shaped step (13) that the first bearing room (11) and the second bearing room (12) separate, first supporter (212)
It is abutted against with the first table top (131) of the ring-shaped step (13), second supporter (222) and first table top
(131) opposite the second table top (132) abuts against.
6. bearing assembly according to claim 5, which is characterized in that the elastic shaft bearing sleeve (20) further includes：
Connector (23), the first end of the connector (23) are connected with first supporter (212), the connector
(23) second end is connected with second supporter (222).
7. bearing assembly according to claim 6, which is characterized in that the first axle bearing sleeve (21), the second bearing
It covers and is provided with reinforcing rib (24), reinforcing rib (24) edge on the peripheral surface of at least one of (22) and described connector (23)
The axis direction setting of the hardness bearing holder (housing, cover) (10).
8. bearing assembly according to claim 2, which is characterized in that the first axle bearing sleeve (21) and/or described second
Bearing holder (housing, cover) (22) is circumferentially provided with multiple hollow holes (27), and multiple hollow holes (27) are positioned apart from.
9. bearing assembly according to claim 4, which is characterized in that
The first axle bearing sleeve (21) further includes the first spacing collar (25), first spacing collar (25) and first cylindrical body
(211) end is connected and is oppositely disposed with first supporter (212), and first spacing collar (25) is located at described
The outside of first bearing room (11), the outer diameter of first spacing collar (25) be more than the internal diameter of the first bearing room (11) so that
Partial first spacing collar (25) is overlapped on the first bearing room (11) that offers of the rigid bearing holder (housing, cover) (10)
On end face, and/or
The second bearing set (22) further includes the second spacing collar (26), second spacing collar (26) and second cylindrical body
(221) end is connected and is oppositely disposed with second supporter (222), and second spacing collar (26) is located at described
The outside of second bearing room (12), the outer diameter of second spacing collar (26) be more than the internal diameter of the first bearing room (11) so that
Partial second spacing collar (26) is overlapped on the second bearing room (12) that offers of the rigid bearing holder (housing, cover) (10)
On end face.
10. bearing assembly according to claim 5, which is characterized in that
One in the first axle bearing sleeve (21) and first table top (131) is provided with the first limited post (28), another
It is provided with the compatible first positioning hole (281) with first limited post (28), and/or
One in the second bearing set (22) and second table top (132) is provided with the second limited post (29), another
It is provided with the compatible second location hole with second limited post (29).
11. bearing assembly according to claim 6, which is characterized in that
The first axle bearing sleeve (21), the connector (23) and the second bearing set (22) are wholely set, alternatively,
The first axle bearing sleeve (21) is wholely set with the connector (23), the second bearing set (22) and the connector
(23) it is removably disposed, alternatively,
The second bearing set (22) is wholely set with the connector (23), the first axle bearing sleeve (21) and the connector
(23) it is removably disposed.
12. bearing assembly according to claim 6, which is characterized in that first supporter (212), second described
At least one of support body (222) and the connector (23) are loop configuration.
13. bearing assembly according to claim 2, which is characterized in that the bearing assembly further includes：
Shaft, the shaft along the rigid bearing holder (housing, cover) (10) axis direction successively with the first bearing (31) and described the
Two bearings (32) are connected.
14. bearing assembly according to claim 7, which is characterized in that first bearing room (11), second bearing room (12) and
It is provided on the internal face of the ring-shaped step (13) and the reinforcing rib (24) matched limiting slot.
15. a kind of motor, including bearing assembly, which is characterized in that the bearing assembly is any one of claim 1 to 14 institute
The bearing assembly stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810188406.5A CN108512345B (en) | 2018-03-07 | 2018-03-07 | Bearing assembly and motor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810188406.5A CN108512345B (en) | 2018-03-07 | 2018-03-07 | Bearing assembly and motor with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108512345A true CN108512345A (en) | 2018-09-07 |
| CN108512345B CN108512345B (en) | 2019-12-06 |
Family
ID=63376278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810188406.5A Active CN108512345B (en) | 2018-03-07 | 2018-03-07 | Bearing assembly and motor with same |
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| Country | Link |
|---|---|
| CN (1) | CN108512345B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110535284A (en) * | 2019-10-08 | 2019-12-03 | 河南澈蓝环保技术有限公司 | A kind of mute motor of high-precision self-balancing |
| WO2022127026A1 (en) * | 2020-12-15 | 2022-06-23 | 稻津电机(珠海)有限公司 | Small-sized high-speed fan |
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| JPH11234956A (en) * | 1998-02-16 | 1999-08-27 | Nippon Electric Ind Co Ltd | Vibration damping structure of sr motor |
| US20010022478A1 (en) * | 2000-03-16 | 2001-09-20 | Minebea Kabushiki-Kaisha | Spindle motor |
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| JP2016214016A (en) * | 2015-05-13 | 2016-12-15 | ニスカ株式会社 | Motor bearing structure |
| CN207010428U (en) * | 2017-07-11 | 2018-02-13 | 深圳市道通智能航空技术有限公司 | A kind of stator seat, motor and aircraft |
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|---|---|---|---|---|
| JPH0767284A (en) * | 1993-08-27 | 1995-03-10 | Sanyo Electric Co Ltd | Bearing unit for motor |
| JPH11234956A (en) * | 1998-02-16 | 1999-08-27 | Nippon Electric Ind Co Ltd | Vibration damping structure of sr motor |
| US20010022478A1 (en) * | 2000-03-16 | 2001-09-20 | Minebea Kabushiki-Kaisha | Spindle motor |
| CN1964161A (en) * | 2005-11-11 | 2007-05-16 | 三菱电机株式会社 | Rotary motor |
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| CN205753775U (en) * | 2016-05-17 | 2016-11-30 | 浙江大东吴汽车电机有限公司 | A kind of structure preventing bearing from walking cylindrical |
| CN205791943U (en) * | 2016-06-12 | 2016-12-07 | 广东金莱特电器股份有限公司 | One moulds shell end cap damping noise reduction bearing chamber structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110535284A (en) * | 2019-10-08 | 2019-12-03 | 河南澈蓝环保技术有限公司 | A kind of mute motor of high-precision self-balancing |
| CN110535284B (en) * | 2019-10-08 | 2024-04-05 | 河南澈蓝环保技术有限公司 | High-precision self-balancing mute motor |
| WO2022127026A1 (en) * | 2020-12-15 | 2022-06-23 | 稻津电机(珠海)有限公司 | Small-sized high-speed fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108512345B (en) | 2019-12-06 |
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Address after: 519070 Guangdong city of Zhuhai Province Qianshan No. six Applicant after: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI Applicant after: ZHUHAI KAIBANG MOTOR MANUFACTURE Co.,Ltd. Address before: Doumen Longshan Town of Doumen District of Zhuhai city in Guangdong province 519110 two West Road No. six Applicant before: ZHUHAI KAIBANG MOTOR MANUFACTURE Co.,Ltd. Applicant before: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI |
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