CN209389911U - A kind of DC Brushless Motor - Google Patents
A kind of DC Brushless Motor Download PDFInfo
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- CN209389911U CN209389911U CN201821600336.1U CN201821600336U CN209389911U CN 209389911 U CN209389911 U CN 209389911U CN 201821600336 U CN201821600336 U CN 201821600336U CN 209389911 U CN209389911 U CN 209389911U
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- lower casing
- rotor assembly
- shaft
- stator module
- bearing
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Abstract
The utility model relates to vibrating motor technical field more particularly to a kind of DC Brushless Motors.Including upper casing, rotor assembly, stator module and lower casing component；The upper casing and lower casing component form the motor shell containing internal cavities, and rotor assembly and stator module are mounted in motor shell, and rotor assembly is located above stator module；The stator module is fixedly mounted on lower casing component, includes lower casing and shaft on the lower casing component, and the shaft is arranged on lower casing, and the shaft passes through the stator module, and the rotor assembly is rotatably installed in shaft.Ticker, magnetic conduction sheet and the bearing of the rotor assembly of the utility model will have the mode of injection molding to be fixed, to be formed, the assembling of rotor assembly technique is simple, production efficiency is relatively high, injection molding will not damage bearing, and it does not need to carry out secondary operation again to brearing bore, reduce process, product qualification rate is greatly promoted, assembling cost is reduced.
Description
Technical field
The utility model relates to vibrating motor technical field more particularly to a kind of DC Brushless Motors.
Background technique
As the function of smart phone increases, people's lives increasingly be unable to do without mobile phone, due to the enhancing of cell-phone function,
Smart phone market persistently loads necessary various functions in various lives, needs limited for convenience of the use of consumer
Hardware is installed, it is necessary to which hardware is miniaturized in space.Vibrating motor is in terminating machines such as the mobile communication such as mobile phone, timer
On play the role of transmitting signal, be widely used in needing the field that vibrates.
The conventional motor for cell phone incoming call vibration is mostly based on brush motor, and brush motor is there are serious wear,
The problem that noise is big and the service life is short.And vibrating motor currently on the market has that assembling is difficult, while while installing needs
The pole orientation of magnet steel is distinguished, inefficiency, built-up time is long, and inferiority generation ratio is high.
Utility model content
The utility model in order to overcome at least one of the drawbacks of the prior art described above (deficiency), provides a kind of brush DC
Motor.
In order to solve the above technical problems, the technical solution of the utility model is as follows:
A kind of DC Brushless Motor, including upper casing, rotor assembly, stator module and lower casing component；The upper casing
The motor shell containing internal cavities is formed with lower casing component, rotor assembly and stator module are mounted in motor shell, and
Rotor assembly is located above stator module；The stator module is fixedly mounted on lower casing component, on the lower casing component
Including lower casing and shaft, the shaft is arranged on lower casing, and the shaft passes through the stator module, the rotor assembly
It is rotatably installed in shaft.
Further, the rotor assembly includes magnetic conduction sheet, ticker, bearing, moulding and magnet steel；The ticker with
Moulding is horizontally disposed, and ticker is adapted to form a rotor case with moulding, and the moulding is equipped with mounting hole, institute
Bearing is stated to be mounted in mounting hole；The magnet steel is fixed in rotor case by magnetic conduction sheet.
Further, the stator module includes F-PCB plate (flexible printed circuit board), driving chip, capacitor and two
Coil；The F-PCB plate is mounted on the lower casing, and the driving chip, capacitor and coil are fixed on F-PCB plate, institute
It states coil and is located at shaft two sides, the capacitor, driving chip and coil are successively electrically connected, so that power supply is connected by capacitor
It is connected to driving chip and supplies electric current to coil.
Further, brake(-holder) block is additionally provided on the lower casing component, the lower casing bottom is provided with and brake(-holder) block pair
The groove answered, the brake(-holder) block riveted are connected in groove.
Further, the bearing outside diameter setting is fluted, to increase the abjection power between moulding and bearing.
Further, the lower casing is equipped with boss, and the shaft is mounted on boss, and pad is arranged in the shaft
Circle, and the washer is located above boss.
Further, the magnetic conduction sheet is integrally in the groove shapes of bottom sheet, edge-perpendicular protrusion, and the magnet steel is located at
In groove.
The utility model connects rotor assembly and stator module by shaft and has been installed in upper casing and lower casing
In the shell that component is formed, to form DC Brushless Motor, brushless motor is not likely to produce noise and use compared to brush motor
Service life is long.Ticker, magnetic conduction sheet and the bearing of rotor assembly will have the mode of injection molding to be fixed, and technique assembling is simple, produces
Efficiency is relatively high, and injection molding will not damage bearing, reduces process, reduces assembling cost.Magnet steel first carries out single in a pre-installation
Product magnetize, and need not distinguish between pole orientation after magnetizing during installation, greatly improve packaging efficiency.
Detailed description of the invention
Fig. 1 is the utility model embodiment brushless motor assembling figure.
Fig. 2 is the utility model embodiment brushless motor structural map.
Fig. 3 is the utility model embodiment rotor assembly structural map.
Fig. 4 is the utility model embodiment stator module structural map.
Fig. 5 is the utility model embodiment lower casing component structural map.
Fig. 6 is the utility model embodiment lower casing assembly plan view.
Wherein: 1 upper casing, 2 rotor assembly, 3 stator modules, 4 lower casing components, 21 magnetic conduction sheets, 22 tickers, 23 axis
It holds, 24 mouldings, 25 magnet steel, 31F-PCB plate, 32 driving chips, 33 capacitors, 34 coils, 41 lower casings, 42 shafts, 43 brakings
Piece, 44 boss, 45 washers.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, with reference to the accompanying drawings and examples to the technical solution of the utility model
It is described further.
Embodiment one
A kind of DC Brushless Motor, refering to fig. 1-6, including upper casing 1, rotor assembly 2, stator module 3 and lower casing group
Part 4.As shown in figure 5, lower casing component 4 includes lower casing 41, shaft 42, brake(-holder) block 43 and washer 45；It is arranged on lower casing 41
There is boss 44, shaft 42 is mounted on boss 44, and washer 45 is arranged in shaft 42, and washer 45 is arranged above boss 44.
Wherein, central axis and rotary shaft 42 of the shaft 42 as motor, and washer 45 can support the operating of rotor, and can reduce lower machine
Friction between shell 41 and bearing 23.Lower casing 41 is additionally provided with groove corresponding with brake(-holder) block 43, brake(-holder) block 43 around
In be provided with through-hole corresponding with boss 44, and the prominent symmetric shape of two corners.Brake(-holder) block 43 is inserted in boss 44 by through-hole
Mode riveted is in 41 groove of lower casing, and plane is consistent with 41 planar horizontal of lower casing on the brake(-holder) block 43 after riveted.
As depicted in figs. 1 and 2, upper casing 1 and lower casing 41 pass through the horse containing internal cavities that is composed of a fixed connection
Up to shell, the described mode that is fixedly connected can be welding, it is of course also possible to be other it is suitable be fixedly connected with mode, at this
In embodiment, upper casing 1, which is fixedly connected with mode with lower casing 41, to be welding.Rotor assembly 2 and stator module 3 are mounted on horse
Up in shell, and rotor assembly 2 is located at the top of stator module 3, and upper casing 1 can protect the operating of rotor.In motor shell
In vivo, stator module 3 passes through shaft 42 and is fixedly mounted on lower casing 41, in the socket of bearing 23 of rotor assembly 2 and shaft 42,
It is rotatably mounted on rotor assembly 2 on lower casing 41.
Embodiment two
The present embodiment is similar to embodiment one, and refering to fig. 1-6, further, as described in Figure 3, rotor assembly 2 includes magnetic conduction
Piece 21, ticker 22, bearing 23, moulding 24 and magnet steel 25, ticker 22 and moulding 24 are horizontally disposed and are cooperatively connected, shape
The rotor cavity of magnetic conduction sheet 21, ticker 22 and magnet steel 25 is placed at one.And moulding 24 is equipped with mounting hole, bearing 23 is logical
Injection molding is crossed to be fixed in mounting hole.Bearing 23 can reduce the frictional force of rotor assembly 2 when rotor rotates, and around center
Axis rotation.The outer diameter setting of bearing 23 is fluted, can increase the abjection power between moulding 24 and bearing 23.
Magnetic conduction sheet 21 is superimposed and is fixed on ticker 22 in the following, the mode that magnetic conduction sheet 21 and ticker 22 are fixed can be weldering
It connects, it is of course also possible to which other are fixedly connected with mode, in the present embodiment, the mode that magnetic conduction sheet 21 and ticker 22 are fixed is weldering
It connects.Ticker 22 is completed by using powder injection molding technique, and ticker 22 can be with the effect of its eccentric vibrating when rotor rotates.
The bottom of magnetic conduction sheet 21 is in bottom sheet, and it is in groove shapes that edge-perpendicular protrusion is whole.And magnet steel 25 is mounted on magnetic conduction sheet 21
Groove shapes in, the magnetic field that magnet steel 25 generates attraction and repulsive force magnetic conduction sheet 21 can be generated to rotor and ticker 22 connects
The position that can fix magnet steel 25 and the effect of its magnetic conduction are connect, groove shapes can prevent magnetic field from leaking outside.
As shown in Figure 4 and Figure 6, stator module 3 includes F-PCB plate 31, driving chip 32, capacitor 33 and two coils 34,
F-PCB plate 31 is fixedly mounted on lower casing 41, is accessed power supply for motor and is formed circuit distribution.Driving chip 32, capacitor
33 and coil 34 be separately fixed on F-PCB plate 31, there are two coils 34, and two coils 34 are oppositely arranged, be located at turn
The two sides of axis 42.Driving chip 32, capacitor 33 and two coils 34 are electrically connected on F-PCB plate 31, the connection of 33 both ends of capacitor
At 31 upper inlet end of F-PCB plate and outlet end, play a part of that circuit is protected to reduce interference.Coil 34 generates electromagnetism after powered up
Field and electric current, driving rotor rotation, and driving chip 32 can drive motor operating and detection magnetic field and its variation after powered up.
When assembling, comprising the following steps: S1, be superimposed magnetic conduction sheet 21 and by being welded to connect on ticker 22；S2, general
Bearing 23 is mounted on injection mold, then the magnetic conduction sheet 21 being welded and ticker 22 are mounted in injection mold, is infused
Modeling, to form a rotor assembly 2；S3, it magnetizes to magnet steel 25, and dispensing is carried out to rotor assembly 2, then by magnet steel
25 are put into rotor assembly 2 and carry out hot pressing, are fixed on magnet steel 25 in rotor assembly 2；S4, brake(-holder) block 43 is mounted on lower casing
In the groove of component 4, then punching press fitting is carried out, magnetic conduction sheet 21 and lower casing 41 is made to form one；S5, shaft 42 is mounted on down
In the boss 44 of casing 41；S6, the first welding in F-PCB plate 31 enterprising line driving chip 32 and capacitor 33, to the F- being welded
Pcb board 31 carry out dispensing, then two coils 34 are mounted on above F-PCB plate 31 according to 180 °C of level angle, then into
Row hot pressing forms a stator module 3；S7, stator module 3 is mounted on lower casing component 4, then rotor assembly 2 is passed through
Shaft 42 is mounted on lower casing component 4, covers upper casing 1, is welded to upper and lower enclosure 41, and assembling is completed.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and simultaneously
Non- is limitations of the embodiments of the present invention.For those of ordinary skill in the art, above explained
On the basis of can also make other variations or changes in different ways.There is no need and unable to give thoroughly all embodiments
It lifts.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should be included in this
Within the protection scope of utility model claims.
Claims (5)
1. a kind of DC Brushless Motor, which is characterized in that including upper casing (1), rotor assembly (2), stator module (3) He Xiaji
Shell component (4)；The upper casing (1) and lower casing component (4) form the motor shell containing internal cavities, rotor assembly (2)
It is mounted in motor shell with stator module (3), and rotor assembly (2) is located above stator module (3)；The stator module
(3) it is fixedly mounted on lower casing component (4), it is described including lower casing (41) and shaft (42) on the lower casing component (4)
Shaft (42) is arranged on lower casing (41), and the shaft (42) passes through the stator module (3), and the rotor assembly (2) turns
It is dynamic to be mounted on shaft (42)；
The rotor assembly (2) includes magnetic conduction sheet (21), ticker (22), bearing (23), moulding (24) and magnet steel (25)；Institute
It is horizontally disposed to state ticker (22) and moulding (24), and ticker (22) is adapted to form a rotor case with moulding (24)
Body, the moulding (24) are equipped with mounting hole, and the bearing (23) is mounted in mounting hole；The magnet steel (25) passes through magnetic conduction
Piece (21) is fixed in rotor case；
Boss (44) are provided on the lower casing (41)；Brake(-holder) block (43) are additionally provided on the lower casing component (4), under described
Casing (41) bottom is provided with groove corresponding with brake(-holder) block (43), and brake(-holder) block (43) riveted is connected in groove；It is described
Through-hole corresponding with boss (44), and the prominent symmetric shape of two corners are provided in brake(-holder) block (43).
2. DC Brushless Motor according to claim 1, which is characterized in that the stator module (3) includes F-PCB plate
(31), driving chip (32), capacitor (33) and two coils (34)；The F-PCB plate (31) is mounted on the lower casing (41)
On, the driving chip (32), capacitor (33) and coil (34) are fixed on F-PCB plate (31), coil (34) difference position
In shaft (42) two sides, the capacitor (33), driving chip (32) and coil (34) are successively electrically connected, so that power supply passes through electricity
Appearance is connected to driving chip and supplies electric current to coil.
3. DC Brushless Motor according to claim 1, which is characterized in that bearing (23) the outer diameter setting is fluted,
To increase the abjection power between moulding (24) and bearing (23).
4. DC Brushless Motor according to claim 1, which is characterized in that the lower casing (41) is equipped with boss
(44), the shaft (42) is mounted on boss (44), is arranged with washer (45) on the shaft (42), and the washer (45)
Above boss (44).
5. DC Brushless Motor according to claim 1, which is characterized in that the magnetic conduction sheet (21) is integrally in bottom sheet
The groove shapes of shape, edge-perpendicular protrusion, the magnet steel (25) are located in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821600336.1U CN209389911U (en) | 2018-09-29 | 2018-09-29 | A kind of DC Brushless Motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821600336.1U CN209389911U (en) | 2018-09-29 | 2018-09-29 | A kind of DC Brushless Motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209389911U true CN209389911U (en) | 2019-09-13 |
Family
ID=67866132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821600336.1U Active CN209389911U (en) | 2018-09-29 | 2018-09-29 | A kind of DC Brushless Motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209389911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109120128A (en) * | 2018-09-29 | 2019-01-01 | 立得微电子(惠州)有限公司 | A kind of DC Brushless Motor and its assemble method |
-
2018
- 2018-09-29 CN CN201821600336.1U patent/CN209389911U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109120128A (en) * | 2018-09-29 | 2019-01-01 | 立得微电子(惠州)有限公司 | A kind of DC Brushless Motor and its assemble method |
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