CN205829400U - Brushless electric machine - Google Patents
Brushless electric machine Download PDFInfo
- Publication number
- CN205829400U CN205829400U CN201620367759.8U CN201620367759U CN205829400U CN 205829400 U CN205829400 U CN 205829400U CN 201620367759 U CN201620367759 U CN 201620367759U CN 205829400 U CN205829400 U CN 205829400U
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- housing
- stator base
- slot
- electric machine
- brushless electric
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Abstract
This utility model discloses a kind of brushless electric machine, including housing, stator base, stator module, rotor and pcb board；Described housing is the cylindrical cavities of one end open, and described stator base is covered on described housing, is formed and accommodates cavity, arranges described stator module, rotor and pcb board in this receiving cavity；Described stator base is relative to being provided with wire lead slot on the surface of the side of housing, and the end of described shell nozzle end is along the slot to make way being above provided with corresponding wire lead slot；When described stator base is covered on housing, slot to make way forms cable-through hole with wire lead slot combination, and the lead-in wire of pcb board is drawn described receiving space by cable-through hole；The hole wall of described cable-through hole and lead-in wire tight fit connection, be tightly connected between housing and stator base.Brushless electric machine of the present utility model is possible to prevent the liquid such as water to enter into motor internal, makes the pcb board of brushless electric machine be protected by sealing, uses safety.
Description
Technical field
This utility model relates to machine field, particularly relates to a kind of brushless electric machine.
Background technology
Environment pump is generally used for scientific environment laboratory, can be with accurate measurement and the consumption etc. controlling extraction water, and it uses
Brushless electric machine, and brushless electric machine includes stator, rotor, drive end bearing bracket, stator base, pcb board and housing etc., stator is fixed on housing
In, wearing motor shaft in rotor, the two ends of motor shaft are rotatably connected on drive end bearing bracket and stator base, and pcb board is positioned at bonnet
Side, typically easy to connect for the lead-in wire of pcb board, part pcb board can be exposed to bonnet, it is impossible to accomplish that IP54 etc. is waterproof and want
Ask, use and there is potential safety hazard.
Utility model content
Main purpose of the present utility model is for providing a kind of brushless electric machine sealed by pcb board.
In order to realize foregoing invention purpose, the utility model proposes a kind of brushless electric machine, including housing, stator base, determine
Sub-component, rotor and pcb board；
Described housing is the cylindrical cavities of one end open, and described stator base is covered on described housing, is formed and accommodates cavity,
In this receiving cavity, described stator module, rotor and pcb board are set；
Described stator base is relative to being provided with wire lead slot on the surface of the side of housing, the end of described shell nozzle end is along upper
It is provided with the slot to make way of corresponding wire lead slot；
When described stator base is covered on housing, slot to make way forms cable-through hole with wire lead slot combination, and cable-through hole is by pcb board
Described receiving space drawn by lead-in wire；The hole wall of described cable-through hole and lead-in wire tight fit connection, seal between housing and stator base
Connect.
Further, the end of described shell nozzle end is along being outward extended with protuberance at grade.
Further, circumferentially disposed at least one the first protruding along it on the cell wall of described wire lead slot.
Further, circumferentially disposed at least one the second protruding along it on the cell wall of described slot to make way.
Further, arranging sealing ring between described housing and stator base, then both are connected by screw.
Further, described pcb board is circular, installs on stator base, runs through described output shaft in annulus.
Brushless electric machine of the present utility model, is arranged at pcb board between housing and stator base in the receiving space formed,
Then wire lead slot is set on stator base, housing arranges slot to make way, wire lead slot and slot to make way combination and forms cable-through hole by PCB
The lead-in wire of plate is drawn, and the outside of the lead-in wire generally material such as soft silica gel or plastics is made, so going between and after cable-through hole tight fit,
It is possible to prevent the liquid such as water to enter into motor internal, and is tightly connected between housing and stator base, so that brushless electric machine
Pcb board is protected by sealing, uses safety.
Accompanying drawing explanation
Fig. 1 is the brushless electric machine generalized section along the axis direction of its output shaft of this utility model one embodiment；
Fig. 2 is the structural representation of the stator base of this utility model one embodiment；
Fig. 3 is the structural representation of the housing of this utility model one embodiment.
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this
Utility model.
Referring to figs. 1 through Fig. 3, a kind of brushless electric machine of this utility model one embodiment is proposed, including housing 10, stator base
20, stator module 30, rotor 40 and pcb board 50；Above-mentioned housing 10 is the cylindrical cavities of one end open, and described stator base 20 covers
Together in described housing 10, formed and accommodate cavity, described stator module 30, rotor 40 and pcb board 50 are set in this receiving cavity；On
Be provided with wire lead slot 21 on the surface of the side stating the relative housing 10 of stator base 20, the end of described housing 10 opening along on set
It is equipped with the slot to make way 11 of corresponding wire lead slot 21；When said stator base 20 is covered on housing 10, slot to make way 11 and wire lead slot 21 groups
Closing and form cable-through hole, the lead-in wire 60 of pcb board 50 is drawn described receiving space by cable-through hole；The hole wall of described cable-through hole and lead-in wire 60
Tight fit connection, is tightly connected between housing 10 and stator base 20.
In the present embodiment, above-mentioned housing 10 can be cylindrical cavity, prism cavity etc., its one end open, and the other end seals；
Said stator assembly 30 generally comprises the conventional components such as coil；Above-mentioned pcb board 50 is for controlling outside the rotating speed of brushless electric machine, reception
The control signal etc. in portion.Said stator base 20 is equivalent to a lid, and the centre of lid is provided with through hole, for brushless electric machine
Output shaft 90 runs through, and through part is provided with bearing 80, and stator base 20 is for fixed stator assembly 30.Above-mentioned housing 10 and stator
The mode being tightly connected between base 20 is various, and such as both are tightly connected by the way of hot melt, pass through pressing between the two
The mode of sealing ring 70 is tightly connected.In the present embodiment, above-mentioned lead-in wire 60 is that multiple conducting wires is encapsulated in shape in a pipe box
The lead-in wire 60 become, convenient management and guiding.
In the present embodiment, the end of above-mentioned housing 10 opening, along being outward extended with protuberance 12 at grade, protrudes
The setting in portion 12, can extend the length of cable-through hole, thus improve the degree of firmly installing of lead-in wire 60, and improve cable-through hole and draw
Waterproof ability after tight fit between line 60.
In the present embodiment, along its circumferentially disposed at least one the first projections 211 on the cell wall of above-mentioned wire lead slot 21, first is convex
Play 211 and can improve waterproof ability by radially compressed for the sidewall of lead-in wire 60.In like manner, along it on the cell wall of above-mentioned slot to make way 11
Circumferentially disposed at least one the second projections 111, can improve waterproof ability.It is respectively provided with on the inside of wire lead slot 21 and slot to make way 11
Protruding, then the liquid such as water can be better protected from and enter into inside brushless electric machine along cable-through hole.
In the present embodiment, arranging sealing ring 70 between above-mentioned housing 10 and stator base 20, then both are connected by screw
Connect.Screw connecting mode is simple, and bonding strength is high, and stability is high.
In the present embodiment, above-mentioned pcb board 50 is circular, is installed on stator base 20, runs through described output in annulus
Axle 90.Reduce taking up room of pcb board 50, facilitate the fixed installation of pcb board 50.
In one embodiment, the longitudinal section of said stator base 20 is inverted " t " type, and the vertical bar of inverted " t " type is two
The cylindrical cavity of end opening；Above-mentioned housing 10 is the circular cylindrical cavity of one end open, and the end of housing 10 opening is along prolonging laterally
Stretch and have protuberance 12.Stator base 20 is provided with wire lead slot 21 towards the one side of housing 10, the end edge of housing 10 and protuberance thereof
The slot to make way 11 of corresponding wire lead slot 21 it is provided with on 12.Rotor 40 is set in housing 10, in rotor 40, is socketed with output shaft 90.Fixed
When sub-base 20 is covered on housing 10, the stator base 20 of inverted " t " type is socketed on output shaft 90, output shaft 90 and stator base 20
Between connected by bearing 80；Stator module 30 is arranged at the outside of the vertical bar of the inverted " t " type of stator base 20；Pcb board 50
Become circular, be socketed on the outside of the vertical bar of the inverted " t " type of stator base 20, and be fixedly mounted on stator base 20；PCB
The lead-in wire 60 of plate 50 is drawn by the cable-through hole of wire lead slot 21 and slot to make way 11 composition；In stator base 20 and the combination of housing 10
Place arranges sealing ring 70, both is fastened by screw, and in fastening journey, the junction of stator base 20 and housing 10 compresses and seals
While circle 70, cable-through hole shrinks will lead-in wire 60 fastening.
The brushless electric machine of the present embodiment, is arranged between housing 10 and stator base 20 receiving formed empty by pcb board 50
In, then wire lead slot 21 is set on stator base 20, housing 10 arranges slot to make way 11, wire lead slot 21 and slot to make way 11 groups
Closing formation cable-through hole to be drawn by the lead-in wire 60 of pcb board 50, the outside generally material such as soft silica gel or plastics of lead-in wire 60 is made, institute
, after lead-in wire 60 and cable-through hole tight fit, to be possible to prevent the liquid such as water to enter into motor internal, and housing 10 and stator base 20
Between be tightly connected so that the pcb board 50 of brushless electric machine is protected by sealing, use safety.
The foregoing is only preferred embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model,
Every equivalent structure utilizing this utility model description and accompanying drawing content to be made or equivalence flow process conversion, or directly or indirectly transport
It is used in other relevant technical fields, is the most in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a brushless electric machine, it is characterised in that include housing, stator base, stator module, rotor and pcb board；
Described housing is the cylindrical cavities of one end open, and described stator base is covered on described housing, is formed and accommodates cavity, this appearance
Receive and described stator module, rotor and pcb board are set in cavity；
Described stator base is relative to being provided with wire lead slot on the surface of the side of housing, the end of described shell nozzle end is along upper setting
There is the slot to make way of corresponding wire lead slot；
When described stator base is covered on housing, slot to make way forms cable-through hole with wire lead slot combination, and cable-through hole is by the lead-in wire of pcb board
Draw described receiving space；The hole wall of described cable-through hole and lead-in wire tight fit connection, be tightly connected between housing and stator base.
Brushless electric machine the most according to claim 1, it is characterised in that the end of described shell nozzle end is along at grade
It is outward extended with protuberance.
Brushless electric machine the most according to claim 1, it is characterised in that circumferentially disposed extremely along it on the cell wall of described wire lead slot
A few projection.
Brushless electric machine the most according to claim 1, it is characterised in that circumferentially disposed extremely along it on the cell wall of described slot to make way
A few projection.
Brushless electric machine the most according to claim 1, it is characterised in that between described housing and stator base, sealing is set
Circle, then both are connected by screw.
6., according to the brushless electric machine according to any one of claim 1-5, it is characterised in that described pcb board is circular, install
On stator base, in annulus, run through output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620367759.8U CN205829400U (en) | 2016-04-27 | 2016-04-27 | Brushless electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620367759.8U CN205829400U (en) | 2016-04-27 | 2016-04-27 | Brushless electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205829400U true CN205829400U (en) | 2016-12-21 |
Family
ID=58148974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620367759.8U Active CN205829400U (en) | 2016-04-27 | 2016-04-27 | Brushless electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205829400U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849395A (en) * | 2017-04-10 | 2017-06-13 | 珠海凯邦电机制造有限公司 | Plastic package motor and stator assembly thereof |
| CN109904971A (en) * | 2017-12-07 | 2019-06-18 | 日本电产株式会社 | Motor and air supply device with the motor |
-
2016
- 2016-04-27 CN CN201620367759.8U patent/CN205829400U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849395A (en) * | 2017-04-10 | 2017-06-13 | 珠海凯邦电机制造有限公司 | Plastic package motor and stator assembly thereof |
| CN109904971A (en) * | 2017-12-07 | 2019-06-18 | 日本电产株式会社 | Motor and air supply device with the motor |
| CN109904971B (en) * | 2017-12-07 | 2021-05-04 | 日本电产株式会社 | Motor and air supply device with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |