CN206759229U - A kind of rotating assembly of motor and the motor with the rotating assembly - Google Patents
A kind of rotating assembly of motor and the motor with the rotating assembly Download PDFInfo
- Publication number
- CN206759229U CN206759229U CN201720480453.8U CN201720480453U CN206759229U CN 206759229 U CN206759229 U CN 206759229U CN 201720480453 U CN201720480453 U CN 201720480453U CN 206759229 U CN206759229 U CN 206759229U
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- bearing
- casing
- rotating shaft
- motor
- rotating assembly
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Abstract
The rotating assembly and motor of the utility model motor, including rotating shaft, and the bearing being sheathed in rotating shaft, the bearing is at least provided with the first block piece axially move closer to the side of outside, for stopping that external dust enters motor internal.By setting block piece in bearing and extraneous close one end, it can prevent gap location of the dust between bearing and rotating shaft from entering bearing, and then influence the normal operation of bearing.
Description
Technical field
It the utility model is related to technical field of motors, and in particular to a kind of rotating assembly of motor and there is the rotating shaft group
The motor of part.
Background technology
Motor in existing dust catcher, especially high-speed DC brushless electric machine, not adopting an effective measure prevents dust from entering
Enter motor internal, therefore dust catcher is at work inevitable that dust enters motor internal；Once there is dust to enter
Motor internal, especially into the service life that bearing to Bearing inner, will be influenceed.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome in the prior art that motor bearings can not effective dust
The defects of.
Therefore, the utility model provides a kind of rotating assembly of motor, the rotating assembly includes rotating shaft, and is sheathed on
Bearing in rotating shaft, the bearing are at least provided with the first block piece axially move closer to the side of outside, for stopping outside ash
Dirt enters motor internal.
Preferably, the bearing is provided with the second block piece axially move closer to the side of inside.
Preferably, first block piece includes pad, and the pad is sheathed in rotating shaft, and its external diameter is more than the bearing
The madial wall of outer ring and with rotating shaft tight fit.
Preferably, the first block piece also includes the sealing ring set between the pad and the rotating shaft.
The utility model also provides a kind of motor, including casing, be rotatably arranged in it is any of the above-described on the casing
Rotating assembly described in.
Preferably, the motor also includes the stator module being arranged on casing, and the casing includes the first casing and institute
The first casing assembly connection is stated to form the second casing of receiving space, the stator core of the stator module is all installed on
In two casings.
Preferably, bearing chamber is formed respectively on first casing and the second casing, the bearing is contained in the axle
Hold in room.
Preferably, rotor assembly is provided with the rotating assembly, it includes the rotor being fixedly installed in the rotating shaft
Magnet steel.
Preferably, the rotor magnetic steel is fixed in the rotating shaft by locking device.
Preferably, the locking device is loose-proof sleeve, the loose-proof sleeve be tightly set in the rotating shaft and with institute
Rotor magnetic steel end face is stated to offset.
Technical solutions of the utility model, have the following advantages that：
1. rotating assembly of the present utility model, including rotating shaft, and the bearing being sheathed in rotating shaft, the bearing at least edge
The side of outside is provided with the first block piece, for stopping that external dust enters motor internal.By bearing with
Extraneous close one end sets block piece, can prevent gap location of the dust between bearing and rotating shaft from entering bearing, Jin Erying
Ring the normal operation of bearing.
2. rotating assembly of the present utility model, bearing is provided with the second block piece axially move closer to the side of inside.Pass through
In bearing both sides, block piece is set respectively, even if being cooperation between bearing and rotating shaft, will can also prevent dust from bearing with
Gap location between rotating shaft enters bearing, and then influences the normal operation of bearing.
3rd, rotating assembly of the present utility model, the first block piece include pad, and the pad is sheathed in rotating shaft, its external diameter
It can prevent dust from entering at bearing outer ring madial wall more than the bearing outer ring madial wall and with rotating shaft tight fit, so setting
Enter bearing, more effectively prevent dust from entering Bearing inner.
4. the utility model rotating assembly, the first block piece also includes the sealing set between the pad and the rotating shaft
Circle, further bearing is realized and sealed, prevents dust from entering Bearing inner.
5. motor of the present utility model, due to above-mentioned rotating assembly, therefore, having excellent described in above-mentioned any one
Point.
6. motor of the present utility model, casing includes the first casing, accommodated with the first casing assembly connection with being formed
Second casing in space, the stator core of the stator module are all installed in the second casing.Because stator core is all pacified
Loaded in the second casing, as long as the first casing is connected with the second casing, so that it may complete the assembling of casing, it is not necessary to assembling
Stator core is connected respectively with casing in journey, the difference of the flatness and stator stack length that eliminate stator faces produces to assembling
Influence.
7th, motor of the present utility model, rotor assembly is provided with rotating assembly, and rotor assembly includes being fixedly installed on institute
The rotor magnetic steel in rotating shaft is stated, rotor magnetic steel is fixed in rotating shaft by locking device.Because locking device is integrally formed, filling
Timing, as long as locking device to be connected to the axial direction that can limit the rotor magnetic steel respectively with the rotating shaft with the rotor magnetic steel
And circumferential movement, also, junction is less, reduces destabilizing factor, when motor revolution at a high speed, rotor magnetic steel
It will not loosen.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model rotating assembly and motor；
Fig. 2 is the assembling schematic diagram of the utility model rotor assembly.
Description of reference numerals：
1- rotating shafts；2- bearings；21- bearing outer rings；The block pieces of 3- second；
The block pieces of 4- first；41- pads；42- sealing rings；The casings of 5- first；
The casings of 6- second；7- bearing chambers；8- rotor magnetic steels；9- loose-proof sleeves；
10- stator cores.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
External representation described in the utility model is the free surrounding space relative with motor internal.
Embodiment 1
As shown in figure 1, the present embodiment provides a kind of rotating assembly of motor, including rotating shaft 1, and it is sheathed in rotating shaft
Bearing 2.The bearing 2 is provided with the first block piece 4 axially move closer to the side of outside.By in bearing and extraneous close one
End sets block piece, can will prevent gap location of the dust between bearing and rotating shaft from entering bearing, and then influence bearing just
Often operating.
Preferably, the bearing 2 is also equipped with the second block piece 3 axially move closer to the side of inside.By in bearing
Both sides set block piece respectively, even if being cooperation between bearing and rotating shaft, can also prevent dust between bearing and rotating shaft
Gap location enter bearing, and then influence the normal operation of bearing.
Preferably, first block piece 4 includes pad 41, the pad 41 is sheathed in rotating shaft 1, and its external diameter is more than
The madial wall of the bearing outer ring 21 and with the tight fit of rotating shaft 1.So setting can prevent dust from entering from bearing outer ring madial wall
Enter bearing, more effectively prevent dust from entering Bearing inner.
Preferably, first block piece 4 is additionally included in the sealing ring 42 set between pad 41 and rotating shaft 1, enter one
Step is realized to bearing and sealed, and prevents dust from entering Bearing inner.
Rotating assembly described in the above-mentioned embodiment of the present embodiment is applied to various types of motors, and be particularly suitable for use in suction
DC brushless motor in dirt device.
Embodiment 2
As shown in Figure 1-2, the present embodiment provides a kind of motor of dust collector, including casing, stator module and rotating assembly, institute
Stating casing includes the first casing 5 and the assembly connection of the first casing 5 to form the second casing 6 of receiving space, the stator module
Stator core 10 be all installed in the second casing 6；Bearing chamber is formed respectively on the casing 6 of first casing 5 and second
7, bearing 2 is contained in the bearing chamber 7；The rotating assembly is any one in above-described embodiment 1, and is provided with and turns
Sub-component, rotor assembly include：The rotor magnetic steel 8 being fixedly installed in the rotating shaft 1, the rotor magnetic steel 8 pass through loose-proof sleeve 9
It is fixed in the rotating shaft 1 and is offseted with the end face of rotor magnetic steel 8.
The motor of the present embodiment, due to above-mentioned rotating shaft structure, assembly, therefore, having with said machine casing structure institute and owning
Advantage.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (10)
1. a kind of rotating assembly of motor, it is characterised in that the rotating assembly includes rotating shaft (1), and is sheathed in rotating shaft
Bearing (2), the bearing (2) at least axially move closer to outside side be provided with the first block piece (4), for stopping outside
Dust enters motor internal.
2. rotating assembly according to claim 1, it is characterised in that side of the bearing (2) axially move closer to inside
It is provided with the second block piece (3).
3. rotating assembly according to claim 1, it is characterised in that first block piece (4) includes pad (41), institute
Pad (41) is stated to be sheathed in rotating shaft (1), its external diameter be more than bearing outer ring (21) madial wall and with rotating shaft (1) tight fit.
4. rotating assembly according to claim 3, it is characterised in that the first block piece (4) also includes the pad (41)
The sealing ring (42) set between the rotating shaft (1).
5. a kind of motor, it is characterised in that it includes casing, in the claim 1-4 that is rotatably arranged on the casing
Rotating assembly described in any one.
6. motor according to claim 5, it is characterised in that also include the stator module being arranged on casing, the machine
Shell includes the first casing (5) and the first casing (5) assembly connection to form the second casing (6) of receiving space, described fixed
The stator core (10) of sub-component is all installed in the second casing (6).
7. motor according to claim 6, it is characterised in that on first casing (5) and the second casing (6) respectively into
Type has bearing chamber (7), and the bearing (2) is contained in the bearing chamber (7).
8. motor according to claim 5, it is characterised in that be provided with rotor assembly on the rotating assembly, it includes：
The rotor magnetic steel (8) being fixedly installed in the rotating shaft (1).
9. motor according to claim 8, it is characterised in that the rotor magnetic steel (8) is fixed on institute by locking device
State in rotating shaft (1).
10. motor according to claim 9, it is characterised in that the locking device is loose-proof sleeve (9), the loose-proof sleeve
(9) tightly it is set in the rotating shaft (1) and is offseted with the end face of the rotor magnetic steel (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720480453.8U CN206759229U (en) | 2017-05-03 | 2017-05-03 | A kind of rotating assembly of motor and the motor with the rotating assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720480453.8U CN206759229U (en) | 2017-05-03 | 2017-05-03 | A kind of rotating assembly of motor and the motor with the rotating assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206759229U true CN206759229U (en) | 2017-12-15 |
Family
ID=60615117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720480453.8U Active CN206759229U (en) | 2017-05-03 | 2017-05-03 | A kind of rotating assembly of motor and the motor with the rotating assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206759229U (en) |
-
2017
- 2017-05-03 CN CN201720480453.8U patent/CN206759229U/en active Active
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