CN204858809U - DC brushless motor - Google Patents
DC brushless motor Download PDFInfo
- Publication number
- CN204858809U CN204858809U CN201520618369.9U CN201520618369U CN204858809U CN 204858809 U CN204858809 U CN 204858809U CN 201520618369 U CN201520618369 U CN 201520618369U CN 204858809 U CN204858809 U CN 204858809U
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- CN
- China
- Prior art keywords
- plastic packaging
- casing sleeve
- stator
- control box
- brushless motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a DC brushless motor, including motor body and machine controller, wherein machine controller includes control box and control scheme board, and motor body is a plastic -sealed body pivot, rotor subassembly, plastic envelope stator, front end housing and rear end cap, the rotor subassembly is installed in the pivot, and plastic envelope stator nestification is in rotor subassembly outside, and the front end housing is installed on the preceding tip of plastic envelope stator, and in the organic shell section of thick bamboo of plastic envelope stator outside suit, the telescopic rear end of casing from back tip along the axial extension of plastic envelope stator, vacuole formation on the telescopic back tip of casing and between control box and casing sleeve is installed to the control box, and rear end cap and control scheme board are installed cavity the inside, offered the bayonet socket on the tip the casing is telescopic before, be provided with the lug on the outer wall of plastic envelope stator, the lug nestification is in the bayonet socket the inside, its simple structure, firm, the reliability obtains the assurance.
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.
For the problem that installation is difficult, reliability is low that above-mentioned motor exists, existing producer releases and be set with casing outside plastic packaging stator, by casing motor is arranged on the innovative solution in load, but this motor still exists the problem that casing easily rotates, gets loose, reliability does not still reach the requirement that client secure uses.
Summary of the invention:
The purpose of this utility model is to provide a kind of DC brushless motor, and its structure is simple, firmly, reliability is guaranteed.
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, 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, casing sleeve is set with outside plastic packaging stator, 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, the leading section of casing sleeve offers bayonet socket, the outside wall surface of plastic packaging stator is provided with projection, projection is nested in inside bayonet socket.
Above-mentioned 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 wound on overhang insulation, and plastic shell connects to one stator core, overhang insulation, coil windings and front end housing.
The outer surface of said stator iron core is exposed, casing sleeve set outside plastic packaging stator and the outer surface exposed with stator core contact.
Above-mentionedly in the outside wall surface of plastic packaging stator, be provided with the first seam, described projection is arranged on the first seam, and casing sleeve set is outside plastic packaging stator and the leading section of casing sleeve is coordinated with the first described seam.
Above-mentionedly on the top of control box, be provided with the second seam, the rearward end that control box is arranged on casing sleeve makes the rearward end of casing sleeve coordinate with the second seam.
Above-mentionedly on the top of control box, be provided with draw-in groove, the rearward end of casing sleeve is provided with fixture block, and fixture block is nested in inside draw-in groove.
Above-mentionedly outside casing sleeve, several mounting brackets are installed.
Above-mentionedly also include some screws, by screw, rear end cap is arranged in the rearward end of plastic packaging stator, and by screw, control box and rear end cap is installed together.
The utility model compared with prior art, has following effect:
1) outside plastic packaging stator, be set with casing sleeve, the leading section of casing sleeve offers bayonet socket, the outside wall surface of plastic packaging stator is provided with projection, projection is nested in inside bayonet socket, and its structure is simple, and the installation of casing is firm, be not easy to produce and rotate, reliability is guaranteed;
2) casing sleeve set outside plastic packaging stator and the outer surface exposed with stator core contact, be interference fit between the two, combine firmly between casing sleeve and plastic packaging stator, not easily get loose or produce loosening, reliability is guaranteed.
3) on the top of control box, be provided with draw-in groove, the rearward end of casing sleeve is provided with fixture block, fixture block is nested in inside draw-in groove, is coordinated with fixture block by draw-in groove, can improve the effect preventing casing from rotating further;
4) various mounting bracket is welded at casing sleeve outer wall as required, to meet different installation requirements, and owing to being by welded and installed on the outer wall of casing sleeve, therefore without the need to changing the mould of plastic packaging stator, make convenient installation, and effectively control production cost.
Accompanying drawing illustrates:
Fig. 1 is the stereogram of existing DC brushless motor;
Fig. 2 is the explosive view of existing DC brushless motor;
Fig. 3 is the stereogram of DC brushless motor in embodiment;
Fig. 4 is the explosive view of DC brushless motor in embodiment;
Fig. 5 is the vertical view of DC brushless motor in embodiment;
Fig. 6 is A-A line cutaway view in Fig. 5;
Fig. 7 is the stereogram of motor body in embodiment;
Fig. 8 is the stereogram of electric machine controller in embodiment.
Embodiment:
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one: as shown in Figures 3 to 8, the present embodiment 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, 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 is arranged on the leading section of plastic packaging stator 13, casing sleeve 3 is set with outside plastic packaging stator 13, 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 10 between control box 21 and casing sleeve 3, rear end cap 15 and control circuit board 22 are arranged on inside described cavity 10, the leading section of casing sleeve 3 offers bayonet socket 31, the outside wall surface of plastic packaging stator 13 is provided with projection 1300, projection 1300 is nested in inside bayonet socket 31.Described 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 wound on overhang insulation 132, and plastic shell 134 connects to one stator core 131, overhang insulation 132, coil windings 133 and front end housing 14.The outer surface of stator core 131 is exposed, and casing sleeve 3 is sleeved on outside plastic packaging stator 13 and the outer surface exposed with stator core 131 contacts.The outside wall surface of plastic packaging stator 13 is provided with the first seam 1301, and described projection 1300 is arranged on the first seam 1301, and casing sleeve 3 to be sleeved on outside plastic packaging stator 13 and the leading section of casing sleeve 3 is coordinated with the first described seam 1301.The top of control box 21 is provided with the second seam 210, the rearward end that control box 21 is arranged on casing sleeve 3 makes the rearward end of casing sleeve 3 coordinate with the second seam 210.The top of control box 21 is provided with draw-in groove 211, the rearward end of casing sleeve 3 is provided with fixture block 32, fixture block 32 is nested in inside draw-in groove 211.Outside casing sleeve 3, be provided with several mounting brackets 4, mounting bracket 4 can be the outside of welded and installed at casing sleeve 3.Also include some screws, by screw, rear end cap 15 is arranged in the rearward end of plastic packaging stator 13, and by screw, control box 21 and rear end cap 15 are installed together.
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 (8)
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), 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), casing sleeve (3) is set with 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 (10) between control box (21) and casing sleeve (3), rear end cap (15) and control circuit board (22) are arranged on described cavity (10) the inside, it is characterized in that: on the leading section of casing sleeve (3), offer bayonet socket (31), the outside wall surface of plastic packaging stator (13) is provided with projection (1300), projection (1300) is nested in bayonet socket (31) the inside.
2. a kind of DC brushless motor according to claim 1, it is characterized in that: described 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 wound on overhang insulation (132), and plastic shell (134) connects to one stator core (131), overhang insulation (132), coil windings (133) and front end housing (14).
3. a kind of DC brushless motor according to claim 2, it is characterized in that: the outer surface of stator core (131) is exposed, casing sleeve (3) is sleeved on plastic packaging stator (13) outside and the outer surface exposed with stator core (131) contacts.
4. a kind of DC brushless motor according to claim 1 or 2 or 3, it is characterized in that: in the outside wall surface of plastic packaging stator (13), be provided with the first seam (1301), described projection (1300) is arranged on the first seam (1301), and casing sleeve (3) is sleeved on plastic packaging stator (13) outside and the leading section of casing sleeve (3) is coordinated with described the first seam (1301).
5. a kind of DC brushless motor according to claim 4, it is characterized in that: on the top of control box (21), be provided with the second seam (210), the rearward end that control box (21) is arranged on casing sleeve (3) makes the rearward end of casing sleeve (3) coordinate with the second seam (210).
6. a kind of DC brushless motor according to claim 1 or 2 or 3, it is characterized in that: on the top of control box (21), be provided with draw-in groove (211), the rearward end of casing sleeve (3) is provided with fixture block (32), and fixture block (32) is nested in draw-in groove (211) the inside.
7. a kind of DC brushless motor according to claim 1 or 2 or 3, is characterized in that: be provided with several mounting brackets (4) in casing sleeve (3) outside.
8. a kind of DC brushless motor according to claim 1 or 2 or 3, it is characterized in that: also include some screws, by screw, rear end cap (15) is arranged in the rearward end of plastic packaging stator (13), and by screw, control box (21) and rear end cap (15) is installed together.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520618369.9U CN204858809U (en) | 2015-08-15 | 2015-08-15 | DC brushless motor |
| PCT/CN2015/090111 WO2017028356A1 (en) | 2015-08-15 | 2015-09-21 | Brushless dc electric 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 |
|---|---|---|---|
| CN201520618369.9U CN204858809U (en) | 2015-08-15 | 2015-08-15 | DC brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204858809U true CN204858809U (en) | 2015-12-09 |
Family
ID=54749322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520618369.9U Active CN204858809U (en) | 2015-03-31 | 2015-08-15 | DC brushless motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204858809U (en) |
| WO (1) | WO2017028356A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846112A (en) * | 2017-11-18 | 2018-03-27 | 中山大洋电机股份有限公司 | A kind of blower fan |
| CN108880023A (en) * | 2018-08-30 | 2018-11-23 | 江苏华风科技有限公司 | A kind of direct current generator for electric capstan |
| CN110190721A (en) * | 2019-05-05 | 2019-08-30 | 深圳南方德尔汽车电子有限公司 | A kind of dual-stator brushless motor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769477B (en) * | 2017-12-06 | 2023-08-04 | 江苏朗信电气股份有限公司 | Brushless motor used on automobile |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4736869A (en) * | 1986-08-22 | 1988-04-12 | Expert Corporation | Submersible sealed housing |
| GB0104212D0 (en) * | 2001-02-21 | 2001-04-11 | Johnson Electric Sa | Motor casing |
| CN102306971B (en) * | 2011-09-14 | 2013-08-14 | 浙江联宜电机股份有限公司 | Improved assembly structure of motor output shaft |
| CN202918162U (en) * | 2012-10-31 | 2013-05-01 | 中山大洋电机股份有限公司 | DC brushless external rotor motor structure |
| CN203554139U (en) * | 2013-11-14 | 2014-04-16 | 中山大洋电机股份有限公司 | Plastic packaging motor |
| CN204497941U (en) * | 2015-03-31 | 2015-07-22 | 中山大洋电机股份有限公司 | A kind of DC brushless motor |
-
2015
- 2015-08-15 CN CN201520618369.9U patent/CN204858809U/en active Active
- 2015-09-21 WO PCT/CN2015/090111 patent/WO2017028356A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846112A (en) * | 2017-11-18 | 2018-03-27 | 中山大洋电机股份有限公司 | A kind of blower fan |
| CN107846112B (en) * | 2017-11-18 | 2024-04-30 | 中山大洋电机股份有限公司 | Fan |
| CN108880023A (en) * | 2018-08-30 | 2018-11-23 | 江苏华风科技有限公司 | A kind of direct current generator for electric capstan |
| CN108880023B (en) * | 2018-08-30 | 2023-12-29 | 江苏华风科技有限公司 | Direct current motor for electric winch |
| CN110190721A (en) * | 2019-05-05 | 2019-08-30 | 深圳南方德尔汽车电子有限公司 | A kind of dual-stator brushless motor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017028356A1 (en) | 2017-02-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |