CN204497941U - A kind of DC brushless motor - Google Patents
A kind of DC brushless motor Download PDFInfo
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- CN204497941U CN204497941U CN201520193092.XU CN201520193092U CN204497941U CN 204497941 U CN204497941 U CN 204497941U CN 201520193092 U CN201520193092 U CN 201520193092U CN 204497941 U CN204497941 U CN 204497941U
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- plastic packaging
- end cap
- control box
- brushless motor
- rear end
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Abstract
The utility model discloses a kind of DC brushless motor, comprise motor body and electric machine controller, wherein electric machine controller comprises control box and control circuit board, described motor body is a plastic-sealed body, comprise rotating shaft, rotor assembly, plastic packaging stator, front end housing and rear end cap, nested outside plastic packaging stator casing sleeve is installed, the rear end of casing sleeve extends vertically the rearward end of plastic packaging stator, the rearward end that control box is arranged on casing sleeve forms cavity between control box and casing sleeve, rear end cap and control circuit board are arranged on inside described cavity, its structure is simple, compact, easy to assembly, Material Cost and the human cost of needs are relatively low, and motor is easily installed in load, firmly, reliably.
Description
Technical field
The utility model relates to a kind of DC brushless motor, belongs to technical field of motors.
Background technology
As depicted in figs. 1 and 2, existing DC brushless motor comprises rotating shaft A1, rotor assembly A2, stator module A3, casing A4, front end housing A5, rear end cap A6, electric machine controller A7 and some screw A8, rotor assembly A2 is arranged on rotating shaft A1, stator module A3 and casing A4 is installed together and is nested in outside rotor assembly A2, by screw A8, front end housing A5 and rear end cap A6 are arranged on respectively the two ends of casing A4, and by screw A8, electric machine controller A7 are arranged on rear end cap A6.The installation of existing DC brushless motor comparatively bothers, first the two ends by screw, front end housing and rear end cap being arranged on respectively casing are needed, and need by screw, electric machine controller to be arranged on rear end cap, efficiency of assembling is low, and the Material Cost of needs and human cost are relatively high.
And existing direct current plastic packaging motor comprises rotating shaft, rotor assembly, plastic packaging stator and end cap, rotor assembly is arranged in rotating shaft, plastic packaging stator is nested in outside rotor assembly, but because the outside wall surface of plastic packaging stator is very smooth, the method that usual employing hoop body holds plastic packaging stator tightly realizes the installation of direct current plastic packaging motor, but this mounting means reliability is lower, and structure is insecure, in the process of Long-Time Service, install and there will be the danger getting loose and even come off.
Summary of the invention
The purpose of this utility model is to provide a kind of DC brushless motor, and its structure is simple, compact, easy to assembly, and Material Cost and the human cost of needs are relatively low, and motor is easily installed in load, firmly, reliably.
The purpose of this utility model is achieved by following technical proposals.
A kind of DC brushless motor, comprise motor body and electric machine controller, wherein electric machine controller comprises control box and control circuit board, described motor body is a plastic-sealed body, comprise rotating shaft, rotor assembly, plastic packaging stator, front end housing and rear end cap, rotor assembly is arranged in rotating shaft, plastic packaging stator is nested in outside rotor assembly, front end housing is arranged on the leading section of plastic packaging stator, wherein said plastic packaging stator comprises stator core, overhang insulation, coil windings and plastic shell, overhang insulation is arranged on the end face of stator core, coil windings is winding and installed on overhang insulation, plastic shell is stator core, overhang insulation and coil windings connect to one, nested outside plastic packaging stator casing sleeve is installed, the rear end of casing sleeve extends vertically the rearward end of plastic packaging stator, the rearward end that control box is arranged on casing sleeve forms cavity between control box and casing sleeve, rear end cap and control circuit board are arranged on inside described cavity.
Described above is arranged on rear end cap in the rearward end of plastic packaging stator by some first screws, by some second screws, control box and rear end cap is installed together.
Some connection brackets that rear end cap described above comprises bearing pedestal, end cap body in bearing pedestal periphery and is connected between bearing pedestal and end cap body.
Described above stretches out some installation feet toward outside on the outer ledge of end cap body, first screw is through installation foot and inside the rearward end being screwed into plastic packaging stator thus rear end cap is arranged in the rearward end of plastic packaging stator, and the second screw is through control box and to be screwed into inside installation foot thus control box and rear end cap are installed together.
The quantity of installation foot described above is 8, for installing the installation foot of the first screw and the installation foot circumference for installing the second screw is spaced.
Described above is provided with container cavity at the crown center of bearing pedestal, inside container cavity, in rotating shaft, be provided with mounting bracket, nestedly outside mounting bracket is provided with magnet ring.
Described above is provided with the first seam in plastic packaging stator outside wall surface, and the end of control box is provided with the second seam, and the leading section of casing sleeve and rearward end are bearing on the first described seam and the second seam respectively.
Front end housing described above is that injection moulding is arranged on the leading section of plastic shell.
Plastic shell described above connects to one stator core, overhang insulation and coil windings and makes the outer surface of stator core exposed, and casing sleeve is nested to be arranged on outside plastic packaging stator and the outer surface exposed with stator core contacts.
Casing sleeve described above and control box all adopt the metal material manufacture of conduction to form.
The utility model compared with prior art, has following effect:
1) DC brushless motor structure of the design is more simple, needs the part of assembling and operation to reduce, easy to assembly, reduce Material Cost and human cost, and realizing motor by casing is arranged in load, firmly, reliably high, Long-Time Service also there will not be the phenomenon of installing and getting loose;
2) the first screw is arranged on rear end cap in the rearward end of plastic packaging stator through installation foot and inside the rearward end being tightened to plastic packaging stator, second screw is through control box and to be tightened to inside installation foot thus control box and rear end cap are installed together, structure is simple, easy to assembly, firm;
3) crown center of bearing pedestal is provided with container cavity, inside container cavity, in rotating shaft, is provided with mounting bracket, nestedly outside mounting bracket be provided with magnet ring, structure is simple, easy for installation, and can effectively save motor internal space;
4) in plastic packaging stator outside wall surface, the first seam is provided with, the end of control box is provided with the second seam, the leading section of casing sleeve and rearward end are bearing on the first described seam and the second seam respectively, structure is simple, location and installation is convenient, firm, effective raising efficiency of assembling, reduces production cost;
5) shaft current that plastic packaging stator produces can finally flow into the earth by stator core, casing sleeve, control box, because electric machine controller itself carries earthing device, this structure solving shaft current can not increase extra cost, and structure is simple, easy to assembly, this structure of what is more important solves the successful of shaft current, and effectively ensure the operation that motor is long-term, reliable and stable, useful life is extended.
Accompanying drawing explanation
Fig. 1 is the exploded view of existing DC brushless motor;
Fig. 2 is the structural representation of existing DC brushless motor;
Fig. 3 is the stereogram of DC brushless motor in embodiment;
Fig. 4 is the exploded view one of DC brushless motor in embodiment;
Fig. 5 is the exploded view two of DC brushless motor in embodiment;
Fig. 6 is the vertical view of DC brushless motor in embodiment;
Fig. 7 is A-A cutaway view in Fig. 6.
Embodiment
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one: as Fig. 3, Fig. 4, Fig. 5, shown in Fig. 6 and Fig. 7, the utility model is a kind of DC brushless motor, comprise motor body 1 and electric machine controller 2, wherein electric machine controller 2 comprises control box 21 and control circuit board 22, described motor body 1 is a plastic-sealed body, comprise rotating shaft 11, rotor assembly 12, plastic packaging stator 13, front end housing 14 and rear end cap 15, rotor assembly 12 is arranged in rotating shaft 11, plastic packaging stator 13 is nested in outside rotor assembly 12, front end housing 14 injection moulding is arranged on the leading section of plastic packaging stator 13, wherein said plastic packaging stator 13 comprises stator core 131, overhang insulation 132, coil windings 133 and plastic shell 134, overhang insulation 132 is arranged on the end face of stator core 131, coil windings 133 is winding and installed on overhang insulation 132, plastic shell 134 is stator core 131, overhang insulation 132 and coil windings 133 connect to one, nested outside plastic packaging stator 13 casing sleeve 3 is installed, the rear end of casing sleeve 3 extends vertically the rearward end of plastic packaging stator 13, the rearward end that control box 21 is arranged on casing sleeve 3 forms cavity 30 between control box 21 and casing sleeve 3, rear end cap 15 and control circuit board 22 are arranged on inside described cavity 30.By some first screws 41, rear end cap 15 is arranged in the rearward end of plastic packaging stator 13, by some second screws 42, control box 21 and rear end cap 15 is installed together.Some connection brackets 153 that described rear end cap 15 comprises bearing pedestal 151, end cap body 152 in bearing pedestal 151 periphery and is connected between bearing pedestal 151 and end cap body 152, the quantity of connection bracket 153 is 3 and circumference is evenly distributed.The outer ledge of end cap body 152 stretches out some installation feet 1521 toward outside, first screw 41 is through installation foot 1521 and inside the rearward end being screwed into plastic packaging stator 13 thus rear end cap 15 is arranged in the rearward end of plastic packaging stator 13, and the second screw 42 is through control box 21 and to be screwed into inside installation foot 1521 thus control box 21 and rear end cap 15 are installed together.The quantity of installation foot 1521 is 8, for installing the installation foot 1521 of the first screw 41 and installation foot 1521 circumference for installing the second screw 42 is spaced, to make overall uniform force, installs more firmly, reliable.The crown center of bearing pedestal 151 is provided with container cavity 1510, inside container cavity 1510, in rotating shaft 11, mounting bracket 5 is installed, in the end of rotating shaft 11, nut is installed thus mounting bracket 5 is fixedly mounted in rotating shaft.Nested outside mounting bracket 5 magnet ring 6 is installed.Plastic packaging stator 13 outside wall surface is provided with the first seam 135, the end of control box 21 is provided with the second seam 211, the leading section of casing sleeve 3 and rearward end are bearing on the first described seam 135 and the second seam 211 respectively, and casing sleeve 3 adopts interference fit to be nested in after plastic packaging stator 13.Plastic shell 134 connects to one stator core 131, overhang insulation 132 and coil windings 133 and makes the outer surface of stator core 131 exposed, and casing sleeve 3 is nested to be arranged on outside plastic packaging stator 13 and the outer surface exposed with stator core 131 contacts.Casing sleeve 3 and control box 21 all adopt the metal material manufacture of conduction to form.
Above embodiment is better embodiment of the present invention; but embodiments of the present invention are not limited thereto; other are any do not deviate from Spirit Essence of the present invention and principle under do change, modification, substitute, combine, simplify; be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. a DC brushless motor, comprise motor body (1) and electric machine controller (2), wherein electric machine controller (2) comprises control box (21) and control circuit board (22), it is characterized in that: described motor body (1) is a plastic-sealed body, comprise rotating shaft (11), rotor assembly (12), plastic packaging stator (13), front end housing (14) and rear end cap (15), rotor assembly (12) is arranged in rotating shaft (11), plastic packaging stator (13) is nested in rotor assembly (12) outside, front end housing (14) is arranged on the leading section of plastic packaging stator (13), wherein said plastic packaging stator (13) comprises stator core (131), overhang insulation (132), coil windings (133) and plastic shell (134), overhang insulation (132) is arranged on the end face of stator core (131), coil windings (133) is winding and installed on overhang insulation (132), plastic shell (134) is stator core (131), overhang insulation (132) and coil windings (133) connect to one, nested casing sleeve (3) is installed in plastic packaging stator (13) outside, the rear end of casing sleeve (3) extends vertically the rearward end of plastic packaging stator (13), the rearward end that control box (21) is arranged on casing sleeve (3) forms cavity (30) between control box (21) and casing sleeve (3), rear end cap (15) and control circuit board (22) are arranged on described cavity (30) the inside.
2. a kind of DC brushless motor according to claim 1, it is characterized in that: by some first screws (41), rear end cap (15) is arranged in the rearward end of plastic packaging stator (13), by some second screws (42), control box (21) and rear end cap (15) are installed together.
3. a kind of DC brushless motor according to claim 2, is characterized in that: some connection brackets (153) that described rear end cap (15) comprises bearing pedestal (151), is positioned at the peripheral end cap body (152) of bearing pedestal (151) and is connected between bearing pedestal (151) and end cap body (152).
4. a kind of DC brushless motor according to claim 3, it is characterized in that: on the outer ledge of end cap body (152), stretch out some installation feet (1521) toward outside, first screw (41) is through installation foot (1521) and inside the rearward end being screwed into plastic packaging stator (13) thus rear end cap (15) is arranged in the rearward end of plastic packaging stator (13), second screw (42) is through control box (21) and be screwed into installation foot (1521) the inside thus control box (21) and rear end cap (15) are installed together.
5. a kind of DC brushless motor according to claim 4, it is characterized in that: the quantity of installation foot (1521) is 8, for installing the installation foot (1521) of the first screw (41) and installation foot (1521) circumference for installing the second screw (42) is spaced.
6. a kind of DC brushless motor according to claim 3 or 4 or 5, it is characterized in that: the crown center of bearing pedestal (151) is provided with container cavity (1510), in container cavity (1510) the inside, rotating shaft (11) is provided with mounting bracket (5), magnet ring (6) is installed mounting bracket (5) outside is nested.
7. a kind of DC brushless motor according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that: in plastic packaging stator (13) outside wall surface, be provided with the first seam (135), the end of control box (21) is provided with the second seam (211), and the leading section of casing sleeve (3) and rearward end are bearing on described the first seam (135) and the second seam (211) respectively.
8. a kind of DC brushless motor according to claim 1 or 2 or 3 or 4 or 5, is characterized in that: front end housing (14) is that injection moulding is arranged on the leading section of plastic shell (134).
9. a kind of DC brushless motor according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that: plastic shell (134) connects to one stator core (131), overhang insulation (132) and coil windings (133) and makes the outer surface of stator core (131) exposed, casing sleeve (3) is nested is arranged on plastic packaging stator (13) outside and the outer surface exposed with stator core (131) contacts.
10. a kind of DC brushless motor according to claim 9, is characterized in that: casing sleeve (3) and control box (21) all adopt the metal material manufacture of conduction to form.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520193092.XU CN204497941U (en) | 2015-03-31 | 2015-03-31 | A kind of DC brushless motor |
| PCT/CN2015/090612 WO2016155271A1 (en) | 2015-03-31 | 2015-09-24 | Direct-current brushless motor |
| US15/368,509 US10468933B2 (en) | 2015-03-31 | 2016-12-02 | Brushless DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520193092.XU CN204497941U (en) | 2015-03-31 | 2015-03-31 | A kind of DC brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204497941U true CN204497941U (en) | 2015-07-22 |
Family
ID=53577224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520193092.XU Active CN204497941U (en) | 2015-03-31 | 2015-03-31 | A kind of DC brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204497941U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016155271A1 (en) * | 2015-03-31 | 2016-10-06 | 中山大洋电机股份有限公司 | Direct-current brushless motor |
| WO2017028356A1 (en) * | 2015-08-15 | 2017-02-23 | 中山大洋电机股份有限公司 | Brushless dc electric motor |
| CN109494915A (en) * | 2017-09-12 | 2019-03-19 | 杭州松下马达有限公司 | It is a kind of can electric motor end cap and motor with driving circuit |
-
2015
- 2015-03-31 CN CN201520193092.XU patent/CN204497941U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016155271A1 (en) * | 2015-03-31 | 2016-10-06 | 中山大洋电机股份有限公司 | Direct-current brushless motor |
| US10468933B2 (en) | 2015-03-31 | 2019-11-05 | Zhongshan Broad-Ocean Motor Co., Ltd. | Brushless DC motor |
| WO2017028356A1 (en) * | 2015-08-15 | 2017-02-23 | 中山大洋电机股份有限公司 | Brushless dc electric motor |
| CN109494915A (en) * | 2017-09-12 | 2019-03-19 | 杭州松下马达有限公司 | It is a kind of can electric motor end cap and motor with driving circuit |
| CN109494915B (en) * | 2017-09-12 | 2024-03-01 | 杭州松下马达有限公司 | Motor end cover capable of carrying driving loop and motor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |