CN207706019U - A kind of brushless motor - Google Patents
A kind of brushless motor Download PDFInfo
- Publication number
- CN207706019U CN207706019U CN201820075436.0U CN201820075436U CN207706019U CN 207706019 U CN207706019 U CN 207706019U CN 201820075436 U CN201820075436 U CN 201820075436U CN 207706019 U CN207706019 U CN 207706019U
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- China
- Prior art keywords
- rear end
- end cap
- brushless motor
- wiring board
- insulating trip
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- Brushless Motors (AREA)
Abstract
The utility model belongs to technical field of motors, discloses a kind of brushless motor.The brushless motor includes drive end bearing bracket, rear end cap and may be contained between drive end bearing bracket and rear end cap stator assembly and rotor assembly.Wherein, rotor assembly is arranged with drive end bearing bracket and rear end cap rotation respectively through stator module, the both ends of rotor assembly.The brushless motor eliminates the casing in conventional motors structure, in the case of same appearance and size, increases the size of stator module, and cause to increase motor torque, motor may be implemented to run at high speed, and then improve electric efficiency, and realize motor more preferably performance indicator.
Description
Technical field
The utility model is related to technical field of motors more particularly to a kind of brushless motors.
Background technology
Brushless motor eliminates brush, for brush motor, the electrical fire that is generated when being operated without brush motor
Flower, greatly reduces interference of the electric spark to wireless remote control wireless device.Therefore, brushless motor has a wide range of applications city
.
Traditional brushless motor is limited by motor inherent structure, and the torque of brushless motor is less than normal, and then influences motor
Efficiency.Meanwhile there is also electrical machinery life is short and the big problem of noise for traditional brushless motor.
Utility model content
The purpose of this utility model is to provide a kind of brushless motors, to increase motor torque, and then improve electric efficiency.
For this purpose, the utility model uses following technical scheme：
A kind of brushless motor, including drive end bearing bracket, rear end cap and may be contained between the drive end bearing bracket and the rear end cap
Stator assembly and rotor assembly；The rotor assembly through the stator module, the both ends of the rotor assembly respectively with institute
State drive end bearing bracket and rear end cap rotation setting.
Preferably, the stator module includes stator core, the coil that is wrapped in outside the stator core, described turn
Sub-component runs through the stator core, and the both ends of the stator core are connected to the drive end bearing bracket and the rear end cap.
Preferably, the stator module further includes the first insulating trip and for being respectively arranged at the stator core both ends
Two insulating trips, the rotor assembly sequentially pass through first insulating trip, the stator core and the second insulating trip；The front end
Lid is connected to first insulating trip, and the rear end cap is connected to second insulating trip.
Preferably, the rotor assembly includes magnetite and through the shaft on the magnetite, the magnetite is set to
The inside of the stator core；First insulating trip is run through in one end of the shaft, and rotates and be arranged with the drive end bearing bracket；Institute
The other end for stating shaft runs through second insulating trip, and rotates and be arranged with the rear end cap.
Preferably, the both ends of the shaft are arranged with the first rolling bearing and the second rolling bearing respectively, described first
Rolling bearing is fixedly arranged in the drive end bearing bracket, and second rolling bearing is fixedly arranged in the rear end cap.
Preferably, further include the magnet ring being set on the outside of the rear end cap, second rolling bearing and the magnet ring
It is sheathed on the other end of the shaft successively, the shaft of the magnet ring and the rotor assembly rotates synchronously.
Preferably, further including wiring board and being connected to the driving plate of the wiring board, the wiring board is arranged
Between second insulating trip and the rear end cap, second insulating trip is connected in the wiring board, and the wiring board
It is connected to the rear end cap；The Hall element of the wiring board is adapted with the magnet ring, and can detect the letter of the magnet ring
It ceases and feeds back in the driving plate, the driving plate can adjust the electric current for the coil for being passed through the stator module.
Preferably, being provided with multiple first mounting holes on the wiring board, the rear end cap is correspondingly arranged on multiple
Two mounting holes, the wiring board wear first mounting hole and second mounting hole with the rear end cap by leading-out terminal
Connection.
Preferably, being also set up on the wiring board there are one the first spare mounting hole, the rear end cap is correspondingly arranged on
One the second spare mounting hole.
Preferably, being provided with heat-shrink tube between the wiring board and the rear end cap, the shrinkable sleeve is set to described
Leading-out terminal is close to one end of the wiring board.
The beneficial effects of the utility model：
The utility model eliminates the casing in conventional motors structure, in this way in the case of same appearance and size, increases
The size of stator module increases motor torque, improves electric efficiency, and then realizes motor more preferably performance indicator.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model brushless motor；
Fig. 2 is the first explosive view of the utility model brushless motor；
Fig. 3 is the second explosive view of the utility model brushless motor.
In figure：
1, drive end bearing bracket；2, stator module；3, rotor assembly；4, rear end cap；5, magnet ring；6, wiring board；7, leading-out terminal；8、
Heat-shrink tube；9, screw；
21, stator core；22, the first insulating trip；23, the second insulating trip；
31, magnetite；32, shaft；33, the first rolling bearing；34, the second rolling bearing；35, bearing retainer ring；
321, annular slot；
61, the first mounting hole；62, the first spare mounting hole.
Specific implementation mode
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
The present embodiment provides a kind of brushless motors, as shown in Figure 1, the brushless motor include drive end bearing bracket 1, rear end cap 4 and
The stator module 2 and rotor assembly 3 being set between drive end bearing bracket 1 and rear end cap 4.Wherein, rotor assembly 3 is through stator module
2, the both ends of rotor assembly 3 are arranged with drive end bearing bracket 1 and the rotation of rear end cap 4 respectively.
Brushless motor provided by the utility model eliminates the casing in conventional motors structure, in the feelings of same appearance and size
Under condition, the size of stator module 2 is increased, and causes to increase motor torque, motor may be implemented to run at high speed, and then improve electricity
Engine efficiency, and realize motor more preferably performance indicator.
As Figure 2-3, said stator component 2 includes stator core 21, the coil being wrapped in outside stator core 21 (figure
In do not mark), the first insulating trip 22 and the second insulating trip 23,21 centrally disposed first through hole (not marked in figure) of stator core,
First through hole of the rotor assembly 3 through stator core 21.Wherein, stator core 21 is circumferential is uniformly arranged that there are six the second through-holes
(not marked in figure), the first insulating trip 22 are correspondingly arranged on more six the first convex blocks (in figure not close to one end of stator core 21
Mark), the second insulating trip 23 is correspondingly arranged close to one end of stator core 21 there are six the second convex block (not marked in figure), and first
Convex block and the second convex block are respectively protruding into the both ends of the second through-hole of stator core 21, and drive end bearing bracket 1 and the first insulating trip 22 and after
It is fixedly connected by screw 9 between end cap 4 and the second insulating trip 23.Since the material of drive end bearing bracket 1 and rear end cap 4 is gold
Belong to, 21 both ends of stator core are respectively arranged at by the first insulating trip 22 and the second insulating trip 23 so that drive end bearing bracket 1 and stator iron
It insulate between core 21 and between rear end cap 4 and stator core 21, avoids causing short circuit and damaging.
It should be strongly noted that the quantity of the present embodiment pair and the first convex block, the second convex block and the second through-hole is not made
It limits, by taking the quantity of the first convex block, the second convex block and the second through-hole is six as an example, can be carried out according to needs of production
Adjustment.
As Figure 2-3, including magnetite 31 and through the shaft 32 on magnetite 31, magnetite 31 is set above-mentioned rotor assembly 3
It is placed in the first through hole of stator core 21.There is gap, when brushless motor is powered between rotor assembly 3 and stator core 21
Afterwards, it is input to the electric current of 2 coil of stator module by changing, forms one around coil around the rotation of motor geometry axle center
Magnetic field, the magnetite 31 on this field drives rotor assembly 3 rotates, and then realizes the rotation of motor.Meanwhile one end of shaft 32
Two annular slots 321 are arranged at intervals with, two bearing retainer rings 35 are respectively arranged in two annular slots 321, and at two
The first rolling bearing 33 being set in shaft 32 is provided between bearing retainer ring 35.Bearing retainer ring 35 is used for the first rolling bearing
33 limit in shaft 32.
The both ends of shaft 32 are arranged with the first rolling bearing 33 and the second rolling bearing 34, and the first rolling bearing 33 respectively
It is fixedly arranged in drive end bearing bracket 1 so that shaft 32 being capable of the rotation in drive end bearing bracket 1；And second rolling bearing 34 be fixedly arranged on rear end cap 4
It is interior so that shaft 32 being capable of the rotation in rear end cap 4.Meanwhile the both ends of shaft 32 extend through the first insulating trip 22 and wear the
Two insulating trips 23.Compare the bearing of conventional brush-less motor, and the present embodiment uses the first rolling bearing 33 and the second rolling bearing
34 so that frictional force when shaft 32 rotates greatly reduces, and operation is smooth, reduces operating noise, and then extend motor
Service life.
As Figure 2-3, brushless motor provided in this embodiment further includes the magnet ring 5 and magnetic for being set to 4 outside of rear end cap
5 matched wiring board 6 of ring and the driving plate (not marked in figure) for being connected to wiring board 6.The other end of shaft 32 is arranged successively
Second insulating trip 23, wiring board 6, the second rolling bearing 34 and magnet ring 5.Wherein, magnet ring 5 is synchronous with the shaft 32 of rotor assembly 3
Rotation, magnet ring 5 can measure rotating speed and the position of shaft 32.In addition, the inner wall of the second insulating trip 23 is circumferentially evenly arranged with four
A axially disposed boss (not marked in figure), the edge of wiring board 6 are circumferentially correspondingly arranged that there are four clamping through-holes (in figure not
Mark), the boss of the second insulating trip 23 is connected in the clamping through-hole of wiring board 6 so that the second insulating trip 23 can be connected in line
Road plate 6.
Above-mentioned wiring board 6 is set between the second insulating trip 23 and rear end cap 4, and there are three for setting wherein on wiring board 6
One mounting hole 61, rear end cap 4 are correspondingly arranged there are three the second mounting hole (not marked in figure), and wiring board 6 is with rear end cap 4 by drawing
Go out terminal 7 and wear the first mounting hole 61 and connected with the second mounting hole, and wiring board 6 is connected to driving plate (figure by leading-out terminal 7
In be not shown).Since the shaft 32 of magnet ring 5 and rotor assembly 3 rotates synchronously, magnet ring 5 can measure rotating speed and the position of shaft 32
It sets.Meanwhile the Hall element of wiring board 6 is adapted with magnet ring 5, Hall element can detect the information of magnet ring 5 and form signal
Source.Since wiring board 6 is connected to driving plate by leading-out terminal 7, wiring board 6 feeds back the signal source in driving plate, driving plate
The electric current for the coil for being passed through stator module 2 can be adjusted, the regulation and control of the final rotating speed and position for realizing countershaft 32.
As Figure 2-3, heat-shrink tube 8 is provided between above-mentioned wiring board 6 and rear end cap 4, heat-shrink tube 8 is sheathed on exit
On son 7.Since the material of rear end cap 4 is metal, heat-shrink tube 8 plays insulating effect, avoids rear end cap 4 from causing with wiring board 6 short
Road and damage.In addition, being also set up in assist side 6, there are one the first spare mounting holes 62, after the first mounting hole 61 damages, the
One spare mounting hole 62 can be as the spare selection of the first mounting hole 61.Meanwhile rear end cap 4 is correspondingly arranged that there are one second standby
It (is not marked in figure) with mounting hole, after the second mounting hole damages, the second spare mounting hole can be as the standby of the second mounting hole
With selection.
Obviously, above-described embodiment of the utility model is used for the purpose of clearly illustrating the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made within the spirit and principle of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (10)
1. a kind of brushless motor, which is characterized in that including drive end bearing bracket (1), rear end cap (4) and may be contained within the drive end bearing bracket (1)
Stator module (2) between the rear end cap (4) and rotor assembly (3)；
The rotor assembly (3) through the stator module (2), the both ends of the rotor assembly (3) respectively with the front end
Cover (1) and the rear end cap (4) rotation setting.
2. brushless motor according to claim 1, which is characterized in that the stator module (2) include stator core (21),
It is wrapped in the external coil of the stator core (21), the rotor assembly (3) runs through the stator core (21), and described fixed
The both ends of sub- iron core (21) are connected to the drive end bearing bracket (1) and the rear end cap (4).
3. brushless motor according to claim 2, which is characterized in that the stator module (2) further includes being respectively arranged at
First insulating trip (22) and the second insulating trip (23) at stator core (21) both ends, the rotor assembly (3) sequentially pass through
First insulating trip (22), the stator core (21) and the second insulating trip (23)；
The drive end bearing bracket (1) is connected to first insulating trip (22), and the rear end cap (4) is connected to second insulating trip
(23)。
4. brushless motor according to claim 3, which is characterized in that the rotor assembly (3) includes magnetite (31) and passes through
The shaft (32) being through on the magnetite (31), the magnetite (31) are set to the inside of the stator core (21)；
First insulating trip (22) is run through in one end of the shaft (32), and rotates and be arranged with the drive end bearing bracket (1)；
The other end of the shaft (32) runs through second insulating trip (23), and rotates and be arranged with the rear end cap (4).
5. brushless motor according to claim 4, which is characterized in that the both ends of the shaft (32) are arranged with first respectively
Rolling bearing (33) and the second rolling bearing (34), first rolling bearing (33) is fixedly arranged in the drive end bearing bracket (1), and institute
The second rolling bearing (34) is stated to be fixedly arranged in the rear end cap (4).
6. brushless motor according to claim 5, which is characterized in that further include being set on the outside of the rear end cap (4)
Magnet ring (5), the second rolling bearing (34) and the magnet ring (5) are sheathed on the other end of the shaft (32), the magnet ring successively
(5) it is rotated synchronously with the shaft of the rotor assembly (3) (32).
7. brushless motor according to claim 6, which is characterized in that further include that wiring board (6) and electrical connection are connected to institute
The driving plate of wiring board (6) is stated, the wiring board (6) is set between second insulating trip (23) and the rear end cap (4),
Second insulating trip (23) is connected in the wiring board (6), and the wiring board (6) is connected to the rear end cap (4)；
The Hall element of the wiring board (6) is adapted with the magnet ring (5), and can detect the information of the magnet ring (5) simultaneously
It feeds back in the driving plate, the driving plate can adjust the electric current for being passed through the coil.
8. brushless motor according to claim 7, which is characterized in that be provided with multiple first peaces on the wiring board (6)
It fills hole (61), the rear end cap (4) is correspondingly arranged on multiple second mounting holes, and the wiring board (6) is logical with the rear end cap (4)
It crosses leading-out terminal (7) and wears first mounting hole (61) and connected with second mounting hole.
9. brushless motor according to claim 8, which is characterized in that first there are one being also set up on the wiring board (6)
Spare mounting hole (62), the rear end cap (4) are correspondingly arranged there are one the second spare mounting hole.
10. brushless motor according to claim 9, which is characterized in that the wiring board (6) and the rear end cap (4) it
Between be provided with heat-shrink tube (8), the heat-shrink tube (8) is sheathed on the leading-out terminal (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820075436.0U CN207706019U (en) | 2018-01-17 | 2018-01-17 | A kind of brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820075436.0U CN207706019U (en) | 2018-01-17 | 2018-01-17 | A kind of brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207706019U true CN207706019U (en) | 2018-08-07 |
Family
ID=63035145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820075436.0U Active CN207706019U (en) | 2018-01-17 | 2018-01-17 | A kind of brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207706019U (en) |
-
2018
- 2018-01-17 CN CN201820075436.0U patent/CN207706019U/en active Active
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| GR01 | Patent grant |