CN206922540U - A kind of outer rotor brushless motor - Google Patents
A kind of outer rotor brushless motor Download PDFInfo
- Publication number
- CN206922540U CN206922540U CN201720545440.4U CN201720545440U CN206922540U CN 206922540 U CN206922540 U CN 206922540U CN 201720545440 U CN201720545440 U CN 201720545440U CN 206922540 U CN206922540 U CN 206922540U
- Authority
- CN
- China
- Prior art keywords
- casing
- bearing bracket
- drive end
- brushless motor
- boss
- 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.)
- Expired - Fee Related
Links
- 238000003780 insertion Methods 0.000 claims abstract description 3
- 230000037431 insertion Effects 0.000 claims abstract description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000001012 protector Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Brushless Motors (AREA)
Abstract
A kind of outer rotor brushless motor is the utility model is related to, it includes stator module and rotor assembly；The rotor assembly includes cup-shaped housing, the rotating shaft in the enclosure interior and the insertion stator module and the permanent magnet set positioned at case inside along border, the drive end bearing bracket and remote described drive end bearing bracket one end and the back-up ring of installation on the housing that the housing includes tubular casing, is installed on away from described stator module one end and covers the casing end face；It is to be connected together between the casing and the drive end bearing bracket；It is to be connected together between the casing and the back-up ring.Casing, drive end bearing bracket, back-up ring circumference and axially two-way positioning are realized by being connected together, the intensity that both coordinate in circumference and axial direction can be lifted, reliability is lifted, be hardly damaged and come off in rotation process.
Description
Technical field
A kind of motor is the utility model is related to, more specifically to a kind of outer rotor brushless motor.
Background technology
As the development outer rotor brushless motor of society applies more and more extensive, outer rotor brushless motor in the market
Design feature, its end cap, back-up ring and casing connection be by glue it is Nian Jie, along rotating shaft rotation poor reliability, easily come off, nothing
Method realizes high-power, high pulling torque requirement, and bearing is directly installed in stator seat, in the presence of a harsh environment poor impact resistance, work
Life-span is shorter.
Utility model content
The technical problems to be solved in the utility model is, there is provided one kind can solve the problem that end cap and casing and back-up ring with
The outer rotor brushless motor for the problem that easily come off before casing.
Technical scheme is used by the utility model solves its technical problem：A kind of outer rotor brushless motor is constructed, its
Including stator module and rotor assembly；The rotor assembly includes cup-shaped housing, positioned at described in the enclosure interior and insertion
Rotating shaft in stator module and the permanent magnet set positioned at case inside along border, the housing include tubular casing, installation
In away from described stator module one end and covering the drive end bearing bracket of the casing end face and away from described drive end bearing bracket one end and installation
Back-up ring on the housing；It is to be connected together between the casing and the drive end bearing bracket；Between the casing and the back-up ring
To be connected together.
Preferably, casing end face corresponding with the drive end bearing bracket is provided with least one first locating slot；The front end
Cover and be provided with first boss corresponding with first locating slot；The first boss is snapped into first locating slot；Or
Person,
The casing is provided with least one first boss with the drive end bearing bracket for end face；The drive end bearing bracket be provided with
First locating slot corresponding to the first boss；The first boss is snapped into first locating slot.
Preferably, the casing prolong inside circumference close to described drive end bearing bracket one end be provided with the first locating slot and with the front end
Lid is corresponding, and the drive end bearing bracket is provided with first boss corresponding with first locating slot, and the first boss is engaged to described the
In one locating slot.
Preferably, the casing prolong inside circumference close to described back-up ring one end be provided with the second locating slot and with the back-up ring pair
Should, the back-up ring is provided with second boss corresponding with second locating slot, and the second boss is engaged to second positioning
In groove.
Preferably, the stator module includes pedestal and is arranged on some stator armatures of the pedestal periphery；It is described
Pedestal includes cylindrical body；It is circumferentially distributed that some stator armatures are arranged on the cylindrical body outer ring.
Preferably, the clutch shaft bearing installed for axis of rotation and be arranged side by side vertically, the are provided with the cylindrical body
Two bearings.
Preferably, it is arranged with bearing holder (housing, cover) on the clutch shaft bearing；The clutch shaft bearing and the bearing inner room are provided with ripple
Shape packing ring.
Preferably, the bearing holder (housing, cover) includes being arranged on the groove on the inside of bearing holder (housing, cover) and at least one in the groove
O-ring.
Preferably, the stator armature includes stator core and around the coil being located on stator core.
Preferably, it is provided with temperature protector in the coil.
Implement outer rotor brushless motor of the present utility model, have the advantages that：The utility model passes through this is outer
The connection between the connection between casing and drive end bearing bracket, casing and back-up ring on the rotor assembly of rotor brushless motor is arranged to card
Connection is closed, casing, drive end bearing bracket, back-up ring circumference and axially two-way positioning is realized, both can be lifted and coordinated in circumference and axial direction
Intensity, lifted reliability, be hardly damaged and come off in rotation process.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the structural representation of one preferred embodiment of the utility model；
Fig. 2 is the right view of embodiment illustrated in fig. 1；
Fig. 3 is that stator and rotor are separate state diagram in embodiment illustrated in fig. 1；
Fig. 4 is the explosive view of rotor in one preferred embodiment of the utility model；
Fig. 5 is the sectional view of rotor in embodiment illustrated in fig. 1.
Embodiment
As Fig. 1 and Fig. 3 show one preferred embodiment outer rotor brushless motor of the utility model, external rotor brushless electricity
Machine includes stator module 10 and rotor assembly 20；The rotor assembly 20 rotates available for motor, when the rotor assembly 20 rotates
When, the remains stationary of stator module 10 is different, and coordinates with the rotor assembly 20 and produce rotating excitation field.
As shown in figure 1, the stator module 10 includes pedestal 11 and several stator armatures 12, the pedestal 11 is in the rotor
Component 20 can be with remains stationary when rotating, and the quantity of the stator armature 12 is unlimited, and is distributed in the periphery of the pedestal 11, for producing
Raw induced potential, realize the energy conversion of motor.
Further, the pedestal 11 includes cylindrical body 111, and the cylindrical body 111 can use plastics, rubber, alloy
Etc. being made.The clutch shaft bearing 112 being arranged side by side vertically and second bearing 113 are provided with the cylindrical body 111, this
One bearing 112 is close to the bottom of pedestal 11, and the second bearing 112 is close to rotor assembly, the clutch shaft bearing 112 and second bearing
113 can be used for installing for axis of rotation.Bearing holder (housing, cover) 114 is provided with the clutch shaft bearing 112, and in the He of clutch shaft bearing 112
Wave washer 115 is provided between bearing holder (housing, cover) 114.The bearing holder (housing, cover) 114 can avoid the clutch shaft bearing 112 from being directly installed on pedestal 11
It is interior, and the wave washer 115 can be used for bumper and absorbing shock.
The bearing holder (housing, cover) 114 includes being arranged on the groove 1141 of the inner side of bearing holder (housing, cover) 114 and the O in the groove 1141
Shape circle 1142, the O-ring gasket 1142 can be used for preventing clutch shaft bearing 112 from moving in a circle in the bearing holder (housing, cover) 114, the O-ring
1142 quantity can be one or more.
The stator armature 12 includes stator core 121 and around the coil 122 being located on the stator core 121, the stator
Iron core 121 can be a part for the magnetic circuit of stator module 10 with the installation and fixation of coil 122, the coil then can be used for being formed with
Stator core 121 forms winding, can be made of Ins. ulative material.
As shown in Fig. 2 can be provided with temperature protector 123 in the coil 122, the temperature protector 123 can be used for
The power supply of brushless electric machine is closed when temperature exceedes safe temperature in brushless electric machine, is played a part of to electric motor protecting.
As shown in Figures 3 to 5, the rotor assembly 20 includes housing 21, positioned at the inside of housing 21 and inserts the stator pack
Rotating shaft 22 in part cylindrical body and the permanent magnet 23 peripherally set positioned at the inner side of housing 21.The housing 21 can be in
Cup-shaped, it can play a part of protecting the motor.And 21 sets of the housing is set to outside cylindrical body 111 and can be rotated about axis,
Circumferentially positioned with rotating shaft, after brushless electric machine energization, stator module 10 and rotor assembly 20 produce magnetic field, allow rotor assembly 20 around
The axis of cylindrical body 111 rotates.The rotating shaft 22 passes through the housing 21, and wears tubular sheet along the axis of cylindrical body 111
In body 111, and it is rotatably assorted with cylindrical body.The permanent magnet 23 encloses the border for being set to stator armature 12, permanent magnet 23 and stator
Gap is left between armature 12, after brushless electric machine is powered, to allow permanent magnet 23 can be with rotor assembly 20 in stator armature 12
Circumferentially rotate.
As shown in figure 4, the housing 21 includes tubular casing 211, is installed on the drive end bearing bracket away from the one end of stator module 10
212 and the back-up ring 213 away from the drive end bearing bracket 212 and on the casing 211.The casing 211 can be used for protecting the electricity
Machine, the drive end bearing bracket 212 can be used for the end face for covering the casing 211, and the back-up ring 213 covers on permanent magnet 23, can be used for protecting
Protect the permanent magnet 23.
Again as shown in figure 4, being to be connected together between the casing 211 and drive end bearing bracket 212.In the casing 211 and drive end bearing bracket
End face corresponding to 212 is provided with four the first locating slots 214, and drive end bearing bracket 212 is provided with corresponding with first locating slot 214 the
One boss 215, first boss 215 are engaged in the first locating slot 214, realize that casing 211, drive end bearing bracket 212 are circumferentially positioned.Can be with
Understand ground, in other embodiments, the first locating slot 214, the quantity of first boss 215 can also be respectively one or other numbers
Amount, can realize the circumferentially positioned of casing 211 and drive end bearing bracket 212, both intensity for coordinating in circumference and axial direction of lifting, avoid
Come off.
It is to be appreciated that first locating slot 214 is not limited to be arranged on the end face of the casing, and first boss 215
It is not limited to be arranged on the drive end bearing bracket 212.In some other embodiment, casing 211 is provided with drive end bearing bracket 212 for end face
Four first boss 215；Drive end bearing bracket 212 is provided with first locating slot 214 corresponding with the first boss 215；First boss
215 snap into the first locating slot 214, realize the circumferentially positioned of casing 211 and drive end bearing bracket 212.
As shown in figure 5, casing 211 prolong inside circumference close to the one end of back-up ring 213 be provided with two the second locating slots 216 and with
The correspondence of back-up ring 213, correspondingly, back-up ring 213 is provided with to be blocked with 216 corresponding second boss 217 of the second locating slot, second boss 217
Close into the second locating slot 216, and then the axially position of casing 211 and back-up ring 213.
In some other embodiment, the first locating slot 214 and first boss 215 can also be arranged on the edge of casing 211
The circumferentially outside of inside circumference and drive end bearing bracket 212, and casing 211 circumferentially inner side and the circumferentially outside of back-up ring 213.
Specifically, the casing 211 prolongs inside circumference can set four the first locating slots 214 close to the one end of drive end bearing bracket 212
And it is corresponding with drive end bearing bracket 212, correspondingly, it can be provided with and 214 corresponding first boss of the first locating slot on drive end bearing bracket 212
215, first boss 215 is engaged in the first locating slot 214, and then realizes that casing 211 and drive end bearing bracket 212 are circumferentially positioned.
It should be understood that above example only expresses preferred embodiment of the present utility model, its description is more specific
With it is detailed, but can not therefore and be interpreted as the limitation to the utility model patent scope；It should be pointed out that for this area
Those of ordinary skill for, without departing from the concept of the premise utility, can to above-mentioned technical characterstic carry out freely
Combination, various modifications and improvements can be made, these belong to the scope of protection of the utility model；Therefore, it is all with this practicality
The equivalents and modification that new right is done, the covering scope of the utility model claims all should be belonged to.
Claims (10)
1. a kind of outer rotor brushless motor, including stator module (10) and rotor assembly (20)；Rotor assembly (20) bag
Include cup-shaped housing (21), the rotating shaft (22) in the housing (21) inside and the insertion stator module (10), Yi Jiwei
The permanent magnet (23) set on the inside of housing (21) along border, it is characterised in that
The housing (21) includes tubular casing (211), is installed on away from the stator module (10) one end and covers the machine
The drive end bearing bracket (212) of shell (211) end face and away from the drive end bearing bracket (212) one end and on the casing (211)
Back-up ring (213)；It is to be connected together between the casing (211) and the drive end bearing bracket (212)；The casing (211) and the gear
It is to be connected together between circle (213).
2. outer rotor brushless motor according to claim 1, it is characterised in that the casing (211) and the drive end bearing bracket
(212) corresponding end face is provided with least one first locating slot (214)；The drive end bearing bracket (212) is provided with determines with described first
First boss (215) corresponding to position groove (214)；The first boss (215) is snapped into first locating slot (214)；Or
Person,
The casing (211) is provided with least one first boss (215) with the drive end bearing bracket (212) for end face；Before described
End cap (212) is provided with the first locating slot (214) corresponding with the first boss (215)；First boss (215) engaging
Into first locating slot (214).
3. outer rotor brushless motor according to claim 1, it is characterised in that the casing (211) is prolonged inside circumference and leaned on
Nearly described drive end bearing bracket (212) one end is provided with the first locating slot (214) and, the drive end bearing bracket corresponding with the drive end bearing bracket (212)
(212) first boss (215) corresponding with first locating slot (214) is provided with, the first boss (215) is engaged to described
In first locating slot (214).
4. outer rotor brushless motor according to claim 1, it is characterised in that the casing (211) is prolonged inside circumference and leaned on
Nearly described back-up ring (213) one end is provided with the second locating slot (216) and corresponding with the back-up ring (213), and the back-up ring (213) is provided with
Second boss (217) corresponding with second locating slot (216), the second boss (217) are engaged to second positioning
In groove (216).
5. outer rotor brushless motor according to claim 1, it is characterised in that the stator module (10) includes pedestal
(11) and be arranged on the pedestal (11) periphery some stator armatures (12)；The pedestal (11) includes cylindrical body
(111)；It is circumferentially distributed that some stator armatures (12) are arranged on the cylindrical body (111) outer ring.
6. outer rotor brushless motor according to claim 5, it is characterised in that be provided with and supply in the cylindrical body (111)
Axis of rotation install and be arranged side by side vertically clutch shaft bearing (112), second bearing (113).
7. outer rotor brushless motor according to claim 6, it is characterised in that be arranged with the clutch shaft bearing (112)
Bearing holder (housing, cover) (114)；Wave washer (115) is provided between the clutch shaft bearing (113) and the bearing holder (housing, cover) (114).
8. outer rotor brushless motor according to claim 7, it is characterised in that the bearing holder (housing, cover) (114) includes being arranged on
Groove (1141) and at least one O-ring (1142) in the groove (1141) on the inside of bearing holder (housing, cover) (114).
9. outer rotor brushless motor according to claim 5, it is characterised in that the stator armature (12) includes stator iron
Core (121) and around the coil (122) being located on stator core (121).
10. outer rotor brushless motor according to claim 9, it is characterised in that temperature is provided with the coil (122) and is protected
Protect device (123).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720545440.4U CN206922540U (en) | 2017-05-16 | 2017-05-16 | A kind of outer rotor brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720545440.4U CN206922540U (en) | 2017-05-16 | 2017-05-16 | A kind of outer rotor brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206922540U true CN206922540U (en) | 2018-01-23 |
Family
ID=61307414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720545440.4U Expired - Fee Related CN206922540U (en) | 2017-05-16 | 2017-05-16 | A kind of outer rotor brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206922540U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212663A (en) * | 2019-06-19 | 2019-09-06 | 宁波富佳实业股份有限公司 | Outer rotor brushless motor |
| CN113765269A (en) * | 2020-06-03 | 2021-12-07 | 上海逸思医疗科技股份有限公司 | Motor sealing device |
-
2017
- 2017-05-16 CN CN201720545440.4U patent/CN206922540U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212663A (en) * | 2019-06-19 | 2019-09-06 | 宁波富佳实业股份有限公司 | Outer rotor brushless motor |
| CN113765269A (en) * | 2020-06-03 | 2021-12-07 | 上海逸思医疗科技股份有限公司 | Motor sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |