CN205509810U - Be applied to high -power electric tool's excircle ventilation DC Brushless motor - Google Patents
Be applied to high -power electric tool's excircle ventilation DC Brushless motor Download PDFInfo
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- CN205509810U CN205509810U CN201620205091.7U CN201620205091U CN205509810U CN 205509810 U CN205509810 U CN 205509810U CN 201620205091 U CN201620205091 U CN 201620205091U CN 205509810 U CN205509810 U CN 205509810U
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- rotor
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- brushless motor
- boss
- wire casing
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Abstract
The utility model belongs to the technical field of machinery and a be applied to high -power electric tool's excircle ventilation DC Brushless motor is disclosed, stator and the embedded rotor of magnet steel including outer bobbin tape wind channel, the stator comprises no wire casing plastic part, stator core, band wire groove plastic part and stator winding, the last boss everywhere that is used for circumferential location that is equipped with of stator core, void formation wind channel between boss and the boss, the stator core skeleton comprises no wire casing plastic part and band wire groove plastic part and band wire groove its circumference of plastic part is equipped with three diameter 1mm's wire casing, and its line of passing a bridge of every mutually mated stator winding tightly winds the trough, the rotor comprises flange, rotor core, rotor magnet steel and rivet. The utility model discloses the stator ventilates greatly, and it is efficient wind the line, and rotor shake -proof capability is strong, can solve the retardant wind channel of ordinary brushless motor, and the wire winding inefficiency is to impact, the vibration adaptation not enough scheduling problem of doing all can.
Description
Technical field
This utility model relates to a kind of DC brushless motor, is specifically related to a kind of cylindrical ventilation DC brushless motor being applied to large power, electrically power driven tools, belongs to field of mechanical technique.
Background technology
Traditional large power, electrically power driven tools the most all uses series machine to drive, and has that carbon brush is easy to wear, easily burn the problems such as motor, efficiency is low.
Utility model content
The technical problems to be solved in the utility model overcomes existing defect, a kind of cylindrical ventilation DC brushless motor being applied to large power, electrically power driven tools is provided, stator ventilates big, winding efficiency is high, rotor vibration resistance is strong, it is possible to solving common brushless electric machine retardance air channel, winding efficiency is low, to impact, the vibration adaptation power problem such as not, can effectively solve the problem in background technology.
In order to solve above-mentioned technical problem, this utility model provides following technical scheme:
This utility model provides a kind of cylindrical ventilation DC brushless motor being applied to large power, electrically power driven tools, stator and magnetic steel embedded rotor including outer round belt air channel, described stator is formed by without wire casing plastic parts, stator core, band wire casing plastic parts and stator winding, described stator core is provided with for circumferentially positioned boss everywhere, the formation air channel, space between described boss and boss；Described stator core skeleton by form without wire casing plastic parts and band wire casing plastic parts and band wire casing plastic parts its be circumferentially with the wire casing of three road diameter 1mm, every mutually paired its intercoil connection of stator winding is tightly around trough, described rotor is made up of flange, rotor core, rotor magnetic steel and rivet, square groove everywhere it is provided with on described rotor core, rotor magnetic steel is embedded in square groove, four rivets it are provided with on described rotor, two ends of rotor flange is pinned by rivet, makes rotor magnetic steel be axially fixed in the middle of flange.
As a kind of optimal technical scheme of the present utility model, described stator core is formed by 0.5mm silicon steel plate stacking and thickness is 45mm.
As a kind of optimal technical scheme of the present utility model, the installing hole on described stator core is waist-shaped hole, described stator outer diameter Φ 94mm, internal diameter Φ 47.7mm, and folded thick 45mm, its installing hole can be suitably used for the matching requirements of spacing 83mm and spacing 82mm.
As a kind of optimal technical scheme of the present utility model, described rotor core is formed by 0.5mm silicon steel plate stacking, thickness 45mm.
As a kind of optimal technical scheme of the present utility model, by two installing hole centrage lateral symmetry be provided with the boss of arc length 16mm everywhere and boss radially 90 ° uniform.
As a kind of optimal technical scheme of the present utility model, described stator every a piece of pole pawl is both provided with two grooves and groove size is 3mm*1mm.
As a kind of optimal technical scheme of the present utility model, described rotor diameter Φ 46mm, internal diameter Φ 16mm, silicon steel sheet stack thickness 45mm.
As a kind of optimal technical scheme of the present utility model, described rotor magnetic steel uses embedded, and totally 4, in 90 ° uniform, rotor magnetic steel size is 45mm*27mm*3mm.
As a kind of optimal technical scheme of the present utility model, described flange outer diameter Φ 45mm, internal diameter Φ 16mm, thickness 4mm, described flange is made up of aluminum alloy materials.
This utility model is reached to provide the benefit that: a kind of cylindrical ventilation DC brushless motor being applied to large power, electrically power driven tools, stator design becomes the three-phase six centralized winding method of groove, stator core is formed by silicon steel plate stacking, stator upper and lower plastic cement skeleton is by mold injection molding, stator line bag uses centralized winding method Full-automatic coiling by automation equipment, wherein steel disc is designed with six boss, during stator assembling, boss by four arc length 16mm therein is circumferentially positioned, guarantee that stator is concentric with electric machine casing inner bearing height, by this location mode, stator outer diameter is made to leave more ventilating duct, improve the radiating effect of brushless systems；Stator installing hole is additionally provided with two boss, and installing hole is designed to waist type, it is possible to adapt to the assembling of different pitchs of holes on electric machine casing；Stator plastic cement skeleton is by mold injection molding, wherein circumferentially it is designed with three road troughs on skeleton, every mutually paired its intercoil connection of winding is tightly around trough, and it is complete that such design allows each phase can pass through the disposable coiling of coil winding machine, greatly improves winding efficiency.Rotor core is formed by silicon steel plate stacking, and rotor magnetic steel uses embedded, and in 90 ° uniform, the two ends of rotor are provided with adpting flange, and flange is fixed by rivet, and in rotor high speed rotating engineering, flange arrangement makes magnet steel the most not vibration.Flange uses aluminum alloy materials, has certain thickness, can ensure the dynamic balancing of rotor by the way of duplicate removal.
Accompanying drawing explanation
Accompanying drawing is used for providing being further appreciated by of the present utility model, and constitutes a part for description, is used for explaining this utility model, is not intended that restriction of the present utility model together with embodiment of the present utility model.
In the accompanying drawings:
Fig. 1 is a kind of cylindrical ventilation DC brushless electric motor stator structure schematic diagram being applied to large power, electrically power driven tools described in this utility model embodiment；
Fig. 2 is a kind of cylindrical ventilation rotor structure of direct current brushless motor schematic diagram being applied to large power, electrically power driven tools described in this utility model embodiment；
Label in figure: 1, without wire casing plastic parts；2, stator core；3, boss；4, wire casing；5, there is wire casing plastic parts；6, stator winding；7, groove；8, installing hole；9, flange；10, rotor core；11, rotor magnetic steel；12, rivet.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is illustrated, it will be appreciated that preferred embodiment described herein is merely to illustrate and explains this utility model, be not used to limit this utility model.
Embodiment: refer to Fig. 1-2, a kind of cylindrical ventilation DC brushless motor being applied to large power, electrically power driven tools of this utility model, stator and magnetic steel embedded rotor including outer round belt air channel, described stator is formed by without wire casing plastic parts 1, stator core 2, band wire casing plastic parts 5 and stator winding 6, described stator core 2 is provided with for the formation air channel, space between circumferentially positioned boss 3 everywhere, described boss 3 and boss 3；Described stator core 2 skeleton by form without wire casing plastic parts 1 and band wire casing plastic parts 5 and band wire casing plastic parts 5 its be circumferentially with the wire casing 4 of three road diameter 1mm, every mutually paired its intercoil connection of stator winding 6 is tightly around trough 4, described rotor is made up of flange 9, rotor core 10, rotor magnetic steel 11 and rivet 12, it is provided with square groove everywhere on described rotor core 10, rotor magnetic steel 11 is embedded in square groove, four rivets 12 it are provided with on described rotor, two ends of rotor flange 9 is pinned by rivet 12, makes rotor magnetic steel 11 be axially fixed in the middle of flange 9.
nullDescribed stator core 2 is formed by 0.5mm silicon steel plate stacking and thickness is 45mm，Installing hole 8 on described stator core 2 is waist-shaped hole，Described stator outer diameter Φ 94mm，Internal diameter Φ 47.7mm，Folded thick 45mm，Its installing hole can be suitably used for the matching requirements of spacing 83mm and spacing 82mm，Described rotor core 10 is formed by 0.5mm silicon steel plate stacking，Thickness 45mm，By two installing hole 8 centrage lateral symmetry be provided with the boss 3 of arc length 16mm everywhere and boss 3 radially 90 ° uniform，Described stator every a piece of pole pawl is both provided with two grooves 7 and groove 7 size is 3mm*1mm，Described rotor diameter Φ 46mm，Internal diameter Φ 16mm,Silicon steel sheet stack thickness 45mm，Described rotor magnetic steel 11 uses embedded，Totally 4，In 90 ° uniform，Rotor magnetic steel 11 size is 45mm*27mm*3mm，Described flange 9 external diameter Φ 45mm，Internal diameter Φ 16mm，Thickness 4mm，Described flange 9 is made up of aluminum alloy materials.
It should be noted that, this utility model is a kind of cylindrical ventilation DC brushless motor being applied to large power, electrically power driven tools, during work, stator design becomes the three-phase six centralized winding method of groove, stator core is formed by silicon steel plate stacking, stator upper and lower plastic cement skeleton is by mold injection molding, stator line bag uses centralized winding method Full-automatic coiling by automation equipment, wherein steel disc is designed with six boss, during stator assembling, boss by four arc length 16mm therein is circumferentially positioned, guarantee that stator is concentric with electric machine casing inner bearing height, by this location mode, stator outer diameter is made to leave more ventilating duct, improve the radiating effect of brushless systems；Stator installing hole is additionally provided with two boss, and installing hole is designed to waist type, it is possible to adapt to the assembling of different pitchs of holes on electric machine casing；Stator plastic cement skeleton is by mold injection molding, wherein circumferentially it is designed with three road troughs on skeleton, every mutually paired its intercoil connection of winding is tightly around trough, and it is complete that such design allows each phase can pass through the disposable coiling of coil winding machine, greatly improves winding efficiency.Rotor core is formed by silicon steel plate stacking, and rotor magnetic steel uses embedded, and in 90 ° uniform, the two ends of rotor are provided with adpting flange, and flange is fixed by rivet, and in rotor high speed rotating engineering, flange arrangement makes magnet steel the most not vibration.Flange uses aluminum alloy materials, has certain thickness, can ensure the dynamic balancing of rotor by the way of duplicate removal.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, it is not limited to this utility model, although this utility model being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (9)
1. the cylindrical ventilation DC brushless motor being applied to large power, electrically power driven tools, stator and magnetic steel embedded rotor including outer round belt air channel, it is characterized in that, described stator is formed by without wire casing plastic parts (1), stator core (2), band wire casing plastic parts (5) and stator winding (6), described stator core (2) is provided with for circumferentially positioned boss everywhere (3), the formation air channel, space between described boss (3) and boss (3)；Described stator core (2) skeleton by form without wire casing plastic parts (1) and band wire casing plastic parts (5) and band wire casing plastic parts (5) its be circumferentially with the wire casing (4) of three road diameter 1mm, every mutually paired stator winding (6) its intercoil connection is tightly around trough (4), described rotor is by flange (9), rotor core (10), rotor magnetic steel (11) and rivet (12) composition, described rotor core is provided with square groove everywhere on (10), rotor magnetic steel (11) is embedded in square groove, four rivets (12) it are provided with on described rotor, two ends of rotor flange (9) is pinned by rivet (12), rotor magnetic steel (11) is made to be axially fixed in the middle of flange (9).
A kind of cylindrical ventilation DC brushless motor being applied to large power, electrically power driven tools the most according to claim 1, it is characterised in that described stator core (2) is formed by 0.5mm silicon steel plate stacking and thickness is 45mm.
A kind of cylindrical ventilation DC brushless motor being applied to large power, electrically power driven tools the most according to claim 1, it is characterized in that, installing hole (8) on described stator core (2) is waist-shaped hole, described stator outer diameter Φ 94mm, internal diameter Φ 47.7mm, folded thick 45mm, its installing hole can be suitably used for the matching requirements of spacing 83mm and spacing 82mm.
A kind of cylindrical ventilation DC brushless motor being applied to large power, electrically power driven tools the most according to claim 1, it is characterised in that described rotor core (10) is formed by 0.5mm silicon steel plate stacking, thickness 45mm.
A kind of cylindrical ventilation DC brushless motor being applied to large power, electrically power driven tools the most according to claim 1, it is characterized in that, by two installing holes (8) centrage lateral symmetry be provided with the boss (3) of arc length 16mm everywhere and boss (3) radially 90 ° uniform.
A kind of cylindrical ventilation DC brushless motor being applied to large power, electrically power driven tools the most according to claim 1, it is characterised in that described stator every a piece of pole pawl is both provided with two grooves (7) and groove (7) size is 3mm*1mm.
A kind of cylindrical ventilation DC brushless motor being applied to large power, electrically power driven tools the most according to claim 1, it is characterised in that described rotor diameter Φ 46mm, internal diameter Φ 16mm, silicon steel sheet stack thickness 45mm.
A kind of cylindrical ventilation DC brushless motor being applied to large power, electrically power driven tools the most according to claim 1, it is characterized in that, described rotor magnetic steel (11) uses embedded, totally 4, in 90 ° uniform, rotor magnetic steel (11) size is 45mm*27mm*3mm.
A kind of cylindrical ventilation DC brushless motor being applied to large power, electrically power driven tools the most according to claim 1, it is characterized in that, described flange (9) external diameter Φ 45mm, internal diameter Φ 16mm, thickness 4mm, described flange (9) is made up of aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620205091.7U CN205509810U (en) | 2016-03-17 | 2016-03-17 | Be applied to high -power electric tool's excircle ventilation DC Brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620205091.7U CN205509810U (en) | 2016-03-17 | 2016-03-17 | Be applied to high -power electric tool's excircle ventilation DC Brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205509810U true CN205509810U (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620205091.7U Expired - Fee Related CN205509810U (en) | 2016-03-17 | 2016-03-17 | Be applied to high -power electric tool's excircle ventilation DC Brushless motor |
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|---|---|
| CN (1) | CN205509810U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391059A (en) * | 2018-10-26 | 2019-02-26 | 湖南航天磁电有限责任公司 | A kind of high-power electric tool brushless motor system |
| CN110464104A (en) * | 2019-09-19 | 2019-11-19 | 东莞市联峰电机有限公司 | Inner-rotor brushless motor and Blowing drum with the motor |
-
2016
- 2016-03-17 CN CN201620205091.7U patent/CN205509810U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391059A (en) * | 2018-10-26 | 2019-02-26 | 湖南航天磁电有限责任公司 | A kind of high-power electric tool brushless motor system |
| CN110464104A (en) * | 2019-09-19 | 2019-11-19 | 东莞市联峰电机有限公司 | Inner-rotor brushless motor and Blowing drum with the motor |
| CN110464104B (en) * | 2019-09-19 | 2024-05-17 | 东莞市联峰电机有限公司 | Inner rotor brushless motor and blowing cylinder with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 |
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| CF01 | Termination of patent right due to non-payment of annual fee |