CN206834893U - three-phase brushless DC motor - Google Patents
three-phase brushless DC motor Download PDFInfo
- Publication number
- CN206834893U CN206834893U CN201720363696.3U CN201720363696U CN206834893U CN 206834893 U CN206834893 U CN 206834893U CN 201720363696 U CN201720363696 U CN 201720363696U CN 206834893 U CN206834893 U CN 206834893U
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- Prior art keywords
- motor shaft
- motor
- phase brushless
- hole
- bearing bracket
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Abstract
The utility model provides a kind of three-phase brushless dc motor, including be oppositely arranged drive end bearing bracket and rear end cap, be arranged in drive end bearing bracket and rear end cap and can be rotated around own axes direction motor shaft, be connected between drive end bearing bracket and rear end cap stator module, in stator module and be sheathed on the rotor assembly that drive motor shaft rotates on motor shaft；Also include the regulation support component on the inside of drive end bearing bracket and rear end cap, regulation support component includes being sheathed on the axial both ends of motor shaft and is coaxially disposed the bearing for supporting motor shaft to rotate with motor shaft, and bearing periphery is cased with for reducing the flexible glue axle sleeve that motor shakes by adjusting the axiality of front and back bearings.Brushless direct-current draining pump of the present utility model, by being socketed flexible glue axle sleeve on the bearing that motor shaft rotates for supporting, can automatic fine tuning front and back bearings axiality, to reduce the noise that sends of motor vibrations.
Description
【Technical field】
It the utility model is related to the technical field of brushless electric machine, more particularly to a kind of three-phase brushless dc motor.
【Background technology】
Brushless electric machine eliminates brush and commutator compared with Traditional DC motor, has higher reliability and Geng Gao
Rotating speed, can also be smaller in physical dimension.Brshless DC motor on the market at present, generally includes the casing being fixedly connected
And bonnet, chassis cavity are provided with stator coil and rotor part, stator coil is fixedly mounted, rotor part include armature spindle and
The magnet ring being socketed on armature spindle, the front and rear shaft end of armature spindle are turned round by being arranged at the bearing on the inside of casing and bonnet respectively
Support.
The vibrations but brshless DC motor of such a structure can operationally jolt unavoidably, cause larger noise, to making
Impacted with personnel, while the running reliability of motor of such a structure is poor, service life is shorter.
【Utility model content】
To solve the problems, such as that brshless DC motor of the prior art operationally occurs that vibrations cause noise, this practicality
A kind of new three-phase brushless dc motor of offer.
The utility model is to solve technical scheme used by its technical problem：
Three-phase brushless dc motor, including be oppositely arranged drive end bearing bracket and rear end cap, be arranged in the drive end bearing bracket and rear end
Motor shaft that Gai Bingke rotates around own axes direction, the stator module being connected between drive end bearing bracket and rear end cap, located at described fixed
In sub-component and the rotor assembly that drive motor shaft rotates on motor shaft is sheathed on, the three-phase brushless dc motor also includes setting
Regulation support component on the inside of the drive end bearing bracket and rear end cap, the adjusting part include being sheathed on the axial direction of the motor shaft
Both ends are simultaneously coaxially disposed the bearing for supporting motor shaft to rotate with motor shaft, and the bearing periphery is cased with being used for by before regulation
Afterwards the axiality of bearing with reduce motor vibrations flexible glue axle sleeve.
The medial surface of the drive end bearing bracket is provided with preceding holding part, the inner side of the rear end cap close to the position of the stator module
Face is provided with rear holding part close to the position of the stator module, wherein described two bearings are respectively placed in institute together with flexible glue axle sleeve
State in preceding holding part and rear holding part.
The bearing side relative with the stator module is provided with the locating part rotated with motor shaft, on the motor shaft
Provided with the locating part coordinate with the stopper slot of the spacing bearing of fixation.
The locating part is provided with clamping part, and the clamping part includes two symmetrically arranged elastic pinches, the elasticity
Pinch is provided with curved portions and the rake for being connected with curved portions upper end and extending laterally, and the stopper slot is is opened in
The annular clip slot of motor shaft side face is stated, the curved portions are contacted and are embedded in clip slot with the clip slot.
Also integrally formed with the latch for being arranged in the clip slot, institute between the elastic pinch on the locating part
The upper surface for stating latch is the arcwall face of indent, and the bottom of arcwall face and clip slot, which is only supported, to be coordinated.
Be provided with wear-resistant gasket between the locating part and the bearing, the wear-resistant gasket be sheathed on the motor shaft and
It is coaxially disposed with motor shaft.
The stator module includes the iron core being formed by stacking by some laminations and is connected to twining for the iron core both sides
Around frame, the iron core overlaps with axis of the center of the winding frame with the motor shaft, and the middle part of iron core and winding frame
It is equipped with the through hole that passes through of power supply arbor, some is connected on the iron core positioned at being surrounded by for the through hole with through hole
And the end face of relatively described iron core is convexly equipped with some edges corresponding with the mounting hole on the mounting hole of iron core, the winding frame
Enter the boss in mounting hole, the boss is provided with through winding frame and the coiling for coil winding is connected with the mounting hole
Hole, and the winding bore is annularly distributed with winding the through hole of frame and connecting around through hole.
The stator module also includes a circuit board, and the circuit board is located between the drive end bearing bracket and the winding frame simultaneously
It is sheathed on the motor shaft, the edge of the circuit board is provided with some screens, and the side of the winding frame opposing circuit board is set
There are some clamping parts corresponding with the screens, circuit-board card is connected to by the winding frame by the cooperation of clamping part and screens
On.
The rotor assembly includes a magnet ring for being sheathed on the motor shaft and being coaxially disposed with motor shaft.
The edge of the drive end bearing bracket is provided with some perforation, and the rear end cap is provided with relative to the opening position of perforation and fixed
Hole, the position of corresponding perforation and fixing hole is communicated with the connecting hole of perforation and fixing hole, some fixations on the stator module
Part is fixed at the fixing hole after sequentially passing through the perforation, the connecting hole.
Compared with prior art, the beneficial effects of the utility model are, by the axle for supporting motor shaft to rotate
Hold socket flexible glue axle sleeve, can automatic fine tuning front and back bearings axiality, to reduce the noise that sends of motor vibrations.
【Brief description of the drawings】
Fig. 1 is the structural representation of the three-phase brushless dc motor of the utility model embodiment；
Fig. 2 is the decomposing schematic representation of the three-phase brushless dc motor of the utility model embodiment；
Fig. 3 is the structural representation of the drive end bearing bracket of the utility model embodiment；
Fig. 4 is Fig. 2 A portions enlarged diagram；
Fig. 5 is the bearing of the utility model embodiment and the cooperation schematic diagram of locating part.
【Embodiment】
The utility model is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
Accompanying drawing 1 be refer to accompanying drawing 5, a kind of three-phase brushless dc motor, including the drive end bearing bracket 1 and rear end cap being oppositely arranged
2nd, be arranged in the drive end bearing bracket 1 and rear end cap 2 and can around own axes direction rotate motor shaft 3, be connected to drive end bearing bracket and after
Stator module 4, rotor set interior located at the stator module 4 and being sheathed on drive motor shaft rotation on motor shaft 3 between end cap
Part 5, the three-phase brushless dc motor also include the regulation support component 6 located at the drive end bearing bracket 1 and the inner side of rear end cap 2, institute
Stating adjusting part includes being sheathed on the axial both ends of the motor shaft 3 and is coaxially disposed with motor shaft for supporting motor shaft to rotate
Bearing 61, the periphery of bearing 61 be cased with for by adjust the axiality of front and back bearings with reduce motor shake flexible glue
Axle sleeve 62.
The stator module 4 includes the iron core 41 being formed by stacking by some laminations 411, and the both sides of the iron core are connected with
Frame 42 is wound, the circuit board 43 being sheathed on the motor shaft, the circuit board 43 are provided between the winding frame 42 and drive end bearing bracket 1
Edge be provided with some screens 431, the side of the winding opposing circuit board of frame 42 is provided with some corresponding with the screens block
Buckle 422, circuit board 43 is connected on the winding frame 42 by the cooperation of clamping part and screens 431.It is simple in construction, pass through
Clamping part is easy to make circuit board be fixed on winding frame with docking for screens.The center of the iron core 41 and the winding frame 42 is equal
Overlapped with the axis of the motor shaft 3, and the middle part of iron core 41 and winding frame 42 is equipped with the through hole that power supply arbor passes through, institute
State positioned at some mounting holes 412 for being connected with through hole and running through iron core that are surrounded by of the through hole on iron core 41, it is described
The end face of relatively described iron core is convexly equipped with some boss being bumped into mounting hole corresponding with the mounting hole 412 on winding frame 42
421, the boss is provided with through winding frame 42 and the winding bore 4211 for coil winding is connected with the mounting hole 412, and
The winding bore is annularly distributed with winding the through hole of frame and connecting around through hole.Winding bore is available for coil winding shape in winding man
Into multiple windings.
The rotor assembly 5 is sheathed on the magnet ring 51 being coaxially disposed on the motor shaft 3 and with motor shaft, magnet ring including one
To have magnetic permanent magnet, when brshless DC motor works, it is wound with around the stator of coil windings and produces magnetic field, driving turns
Sub- permanent magnet rotates around the center axis thereof of motor shaft.
The present embodiment, can be before and after automatic fine tuning by being socketed flexible glue axle sleeve on the bearing that motor shaft rotates for supporting
The axiality of bearing, to reduce the noise that motor vibrations are sent.
Further, the medial surface of the drive end bearing bracket 1 is provided with preceding holding part 11 close to the position of the stator module 4, described
The medial surface of rear end cap 2 is provided with rear holding part 21 close to the position of the stator module 4, wherein described two bearings 61 are together with soft
Glue axle sleeve 62 is respectively placed in the preceding holding part 11 and rear holding part 21.Specifically, the preceding holding part 11 houses with rear
Portion 21 is the round platform for being convexly equipped in corresponding end cap madial wall, and the accommodating cavity placed for bearing 61, the bottom of accommodating cavity are provided with round platform
Portion is provided with the through hole through end cap, and a splaying of the motor shaft is in the through hole and concordant with the lateral surface of drive end bearing bracket,
The other end bearing can be fixed spacing through the outside of rear end cap is extended to after the through hole of rear end cap, ensure front and back bearings
On same axis so that motor shaft operating it is smoother, it is ensured that motor performance it is reliable and stable.
Seal groove 13 is provided with the middle part of the lateral surface of the drive end bearing bracket 1 and rear end cap 2, is provided with and is sheathed in the seal groove 13
It is used for the sealing ring 131 for reducing motor vibrating noise on motor shaft 3, the bearing 61 is oiliness bearing, the sealing ring 13
Setting can also solve the problems, such as that lubricating oil is spilt from holding part on bearing.
The bearing 61 side relative with the stator module 4 is provided with the locating part 7 rotated with motor shaft, the motor
Axle 3 is provided with to be coordinated with the stopper slot of the spacing bearing of fixation with the locating part.By setting locating part further real
Fixation now to bearing is spacing, further ensures that the steady operating of motor shaft.Specifically, the locating part 7 is provided with clamping part,
The clamping part includes two symmetrically arranged elastic pinches 71, and the elastic pinch is provided with curved portions 711 and and arc
The rake 712 that portion upper end connects and extended laterally, the stopper slot is the annular clip slot for being opened in the motor shaft side face
31, the curved portions 711 contact with the clip slot 31 and in embedded clip slots.It is simple in construction, because pinch is flexible, it is easy to card
It is connected on clip slot 31, the side face of curved portions and clip slot coordinates, it is ensured that the fixation of bearing is spacing, reduces the vibrations of motor shaft.
Further to realize that the fixation of bearing is spacing, noise caused by the vibrations of motor shaft is reduced, the locating part 7 is upper
Also integrally formed with the latch 72 for being arranged in the clip slot 31 between the elastic pinch 71, the upper surface of the latch is
The bottom of the arcwall face of indent, arcwall face and clip slot 31, which is only supported, to be coordinated.
Wear-resistant gasket 8 is provided between the locating part 7 and the bearing 61, the wear-resistant gasket 8 is sheathed on the motor
It is coaxially disposed on axle 3 and with motor shaft.Bearing can be protected to prevent bearing from wearing.
The edge of the drive end bearing bracket 1 is provided with some perforation 12, and the rear end cap 2 is provided with relative to the opening position of perforation 12
Fixing hole 22, the position of corresponding perforation 12 and fixing hole 22 is communicated with perforation and the connection of fixing hole on the stator module 4
Hole 40, some fixtures 9 are fixed at the fixing hole 22 after sequentially passing through the perforation 12, the connecting hole 40.Specifically
Ground, perforation, fixing hole and the connecting hole are screwed hole, and fixture is screw.
The bottom thread of the rear end cap 2 is connected with support bar 20, is easy to the installation of brshless DC motor.
Preferred embodiment of the present utility model is the foregoing is only, is not used for limiting the scope of the utility model implementation,
Other all its principle and basic structure are identical or approximate with the utility model, within the scope of protection of the utility model.
Claims (10)
1. three-phase brushless dc motor, including be oppositely arranged drive end bearing bracket (1) and rear end cap (2), be arranged in the drive end bearing bracket (1)
And rear end cap (2) and can around own axes direction rotate motor shaft (3), the stator module being connected between drive end bearing bracket and rear end cap
(4), in the stator module (4) and the rotor assembly (5) that drive motor shaft rotates on motor shaft (3) is sheathed on, it is special
Sign is：The three-phase brushless dc motor also includes the regulation support group on the inside of the drive end bearing bracket (1) and rear end cap (2)
Part (6), the regulation support component include being sheathed on the axial both ends of the motor shaft (3) and being coaxially disposed with motor shaft being used for
The bearing (61) for supporting motor shaft to rotate, bearing (61) periphery is cased with for adjusting the axiality of front and back bearings to reduce electricity
The flexible glue axle sleeve (62) of machine vibrations.
2. three-phase brushless dc motor according to claim 1, it is characterised in that：The medial surface of the drive end bearing bracket (1) leans on
The position of the nearly stator module (4) is provided with preceding holding part (11), and the medial surface of the rear end cap (2) is close to the stator module
(4) position is provided with rear holding part (21), wherein described two bearings (61) be respectively placed in together with flexible glue axle sleeve (62) it is described
In preceding holding part (11) and rear holding part (21).
3. three-phase brushless dc motor according to claim 1, it is characterised in that：The bearing (61) and the stator pack
The relative side of part (4) is provided with the locating part (7) rotated with motor shaft (3), and the motor shaft (3) is provided with and the locating part
(7) coordinate with the stopper slot of the spacing bearing (61) of fixation.
4. three-phase brushless dc motor according to claim 3, it is characterised in that：The locating part (7) is provided with clamping
Portion, the clamping part include two symmetrically arranged elastic pinches (71), the elastic pinch be provided with curved portions (711) and
The rake (712) for being connected with curved portions upper end and extending laterally, the stopper slot are to be opened in the motor shaft (3) side face
Annular clip slot (31), the curved portions (711) contact with the clip slot (31) and in embedded clip slots.
5. three-phase brushless dc motor according to claim 4, it is characterised in that：Positioned at described on the locating part (7)
Also integrally formed with the latch (72) for being arranged in the clip slot (31) between elastic pinch (71), the upper surface of the latch is
The bottom of the arcwall face of indent, arcwall face and clip slot (31), which is only supported, to be coordinated.
6. three-phase brushless dc motor according to claim 3, it is characterised in that：The locating part (7) and the bearing
(61) wear-resistant gasket (8) is provided between, the wear-resistant gasket (8) is sheathed on the motor shaft (3) and coaxially set with motor shaft
Put.
7. three-phase brushless dc motor according to claim 1, it is characterised in that：The stator module (4) if including by
Iron core (41) that dry lamination (411) is formed by stacking and the winding frame (42) for being connected to the iron core both sides, the iron core
(41) overlapped with axis of the center of the winding frame (42) with the motor shaft (3), and iron core (41) and winding frame (42)
Middle part be equipped with the through hole that passes through of power supply arbor, on the iron core (41) positioned at the through hole be surrounded by it is some with
Through hole connects and runs through the mounting hole (412) of iron core, the end face projection of relatively described iron core (41) on the winding frame (42)
There are some boss (421) being bumped into mounting hole corresponding with the mounting hole (412), the boss is provided with through winding frame simultaneously
The winding bore (4211) for coil winding, and the winding bore and the insertion of winding frame (42) are connected with the mounting hole (412)
Hole connection is annularly distributed around through hole.
8. three-phase brushless dc motor according to claim 7, it is characterised in that：The stator module (4) also includes one
Circuit board (43), the circuit board are located between the drive end bearing bracket (1) and the winding frame (42) and are sheathed on the motor shaft
(3) on, the edge of the circuit board (43) is provided with some screens (431), described to wind the one of frame (42) opposing circuit board (43)
Side is provided with some clamping parts (422) corresponding with the screens (431), by the cooperation of clamping part and screens (431) by circuit
Plate (43) is connected on the winding frame (42).
9. three-phase brushless dc motor according to claim 1, it is characterised in that：The rotor assembly (5) includes a set of
The magnet ring (51) being coaxially disposed on the motor shaft (3) and with motor shaft.
10. three-phase brushless dc motor according to claim 1, it is characterised in that：The edge of the drive end bearing bracket (1) is set
There are some perforation (12), the rear end cap (2) is provided with fixing hole (22), the stator module relative to the opening position of perforation (12)
(4) position of corresponding perforation (12) and fixing hole (22) is communicated with the connecting hole (40) of perforation and fixing hole, some fixations on
Part (9) is fixed on the fixing hole (22) place after sequentially passing through the perforation (12), the connecting hole (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720363696.3U CN206834893U (en) | 2017-04-08 | 2017-04-08 | three-phase brushless DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720363696.3U CN206834893U (en) | 2017-04-08 | 2017-04-08 | three-phase brushless DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206834893U true CN206834893U (en) | 2018-01-02 |
Family
ID=60768260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720363696.3U Expired - Fee Related CN206834893U (en) | 2017-04-08 | 2017-04-08 | three-phase brushless DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206834893U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110661351A (en) * | 2018-06-29 | 2020-01-07 | 日本电产株式会社 | Motor with a stator having a stator core |
| CN110661350A (en) * | 2018-06-29 | 2020-01-07 | 日本电产株式会社 | Motor with a stator having a stator core |
| CN114337120A (en) * | 2022-03-16 | 2022-04-12 | 宁波佳音机电科技股份有限公司 | Brushless direct current motor for booster pump and booster pump |
-
2017
- 2017-04-08 CN CN201720363696.3U patent/CN206834893U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110661351A (en) * | 2018-06-29 | 2020-01-07 | 日本电产株式会社 | Motor with a stator having a stator core |
| CN110661350A (en) * | 2018-06-29 | 2020-01-07 | 日本电产株式会社 | Motor with a stator having a stator core |
| CN110661350B (en) * | 2018-06-29 | 2022-06-28 | 日本电产株式会社 | Motor |
| CN114337120A (en) * | 2022-03-16 | 2022-04-12 | 宁波佳音机电科技股份有限公司 | Brushless direct current motor for booster pump and booster pump |
| CN114337120B (en) * | 2022-03-16 | 2022-06-24 | 宁波佳音机电科技股份有限公司 | Brushless direct current motor for booster pump and booster pump |
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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: 20180102 Termination date: 20200408 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |