CN104201805A - Fixing structure for magnetic shoes of motor - Google Patents
Fixing structure for magnetic shoes of motor Download PDFInfo
- Publication number
- CN104201805A CN104201805A CN201410466262.7A CN201410466262A CN104201805A CN 104201805 A CN104201805 A CN 104201805A CN 201410466262 A CN201410466262 A CN 201410466262A CN 104201805 A CN104201805 A CN 104201805A
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- magnetic shoe
- magnetic
- arc
- motor
- locating rack
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Abstract
Disclosed is a fixing structure for magnetic shoes of a motor. The fixing structure comprises a motor shell, arc-shaped magnetic shoes closely attached to the inner wall of the motor shell and a magnetic shoe positioning frame. The magnetic shoe positioning frame comprises an arc-shaped bar attached to the inner wall of the motor shell. The bottom face of the arc-shaped bar is closely attached to the upper end faces of the magnetic shoes. Two compressing bars are symmetrically formed on the bottom face of the arc-shaped bar and further arranged between two adjacent magnetic shoes. Grooves are formed in the opposing inner walls of the two compressing bars and the lower surface of the arc-shaped bar arranged between the compressing bars and are in inverted U shapes. Fixing clamps with openings facing downwards are clamped in the grooves. Orthogonal grooves are formed in the outer walls of the compressing bars. With the magnetic shoe positioning frame, the axial height face, the scale length and the arc height face of the magnetic shoe are all compressed to form a three-dimensional positioning. The fixing structure allows firm fixing and uniform stressing, damage never occurs to the surfaces of the magnetic shoes, and radiating is unaffected.
Description
technical field:
The present invention relates to magneto technical field, relate in particular to a kind of fixed structure of motor magnetic tile.
background technology:
Known magnetic shoe is generally fixed on electric machine casing by binding agent.This kind of magnetic shoe fixing structure in use, often can cause magnetic shoe to drop because of factors such as ageing of binders or machine operation heatings.
For head it off, people have carried out long-term exploration, have proposed various solutions.The motor magnetic tile fixed structure that for example application number is 201320165103.4, in this technical scheme, comprise magnetic shoe frame and two U type folders, this magnetic shoe frame consists of circular arc body and symmetrically arranged two spacers, magnetic shoe frame is fixed on the inwall of motor shell component, and two spacers and two U type folders are respectively by two pairs of magnetic shoe isolation.Described magnetic shoe frame is provided with two symmetrical breach, and this breach is inserted in the bottom of U type folder.Although can not reach and fix magnetic shoe by binding agent, but fix magnetic shoe by spacer and U type folder, magnetic shoe frame and this structure of spacer are unfavorable for the heat radiation of magnetic shoe on the one hand, on the other hand, because magnetic shoe is made by NdFeB material, therefore matter is hard and crisp, single stress point easily makes the surface of magnetic shoe impaired, once have chip to produce, directly affect normal work and the life-span of motor.
Therefore avoid adopting binding agent fixedly in magnetic shoe, also will avoid the unbalance stress of magnetic shoe and produce impairedly, and fixing the insecure problem such as be subjected to displacement.
summary of the invention:
Object of the present invention is exactly in order to solve existing issue, and provide a kind of fixed structure of motor magnetic tile, by design magnetic shoe locating rack, the high face of axle, chord length and the sagitta face of magnetic shoe are all compressed, form a kind of three-dimensional localization, not only fixation, stressed very even, to magnetic shoe surface nondestructive wound, and do not affect heat radiation.
Technology solution of the present invention is as follows:
A kind of fixed structure of motor magnetic tile, it includes electric machine casing, the arc magnetic shoe of being close to electric machine casing inwall, described magnetic shoe left end and right-hand member are square, also include magnetic shoe locating rack, described magnetic shoe locating rack includes the arc strip fitting with electric machine casing inwall, magnetic shoe upper surface is close in described arc strip bottom surface, and arc strip bottom surface symmetrical molding has two compression bars and compression bar between adjacent two magnetic shoes, madial wall in opposite directions of described two compression bars and the arc strip lower surface between two compression bars all have groove and groove global shape for being inverted " U " type, in described groove, be installed with the geometrical clamp that Open Side Down, described two compression bar lateral walls have perpendicular type groove.
As preferably, described geometrical clamp one end is U-shaped, and openend is that opening becomes large horn mouth gradually.
As preferably, between two compression bars on described magnetic shoe locating rack, spacing is less than 4 ~ 6mm of geometrical clamp openend opening size.
As preferably, described magnetic shoe left end is identical with right-hand member planform and symmetrical about magnetic shoe center, and a right angle face of a right angle face of described magnetic shoe left end and its right-hand member is positioned on same plane B.
As preferably, the perpendicular type groove on two compression bar lateral surfaces on described magnetic shoe locating rack matches to merge with magnetic shoe left end or right-hand member and is adjacent to.
Beneficial effect of the present invention is:
Structure of the present invention matches with left end or the right-hand member of magnetic shoe by the perpendicular type groove on magnetic shoe locating rack compression bar lateral wall, by geometrical clamp, compress, due to a right angle face of magnetic shoe left end and a right angle face of its right-hand member in the same plane, therefore this above-mentioned right angle face makes the sagitta face of magnetic shoe compacted while being under pressure, magnetic shoe can be close to electric machine casing inwall, and another right angle face of magnetic shoe left end and right-hand member makes the chord length of magnetic shoe compacted while being under pressure, simultaneously, the high face of axle of magnetic shoe is close to the bottom surface of magnetic shoe locating rack, total forms a kind of three-dimensional localization, not only fixation, stressed very even, magnetic shoe surface nondestructive is hindered, and do not affect heat radiation.
accompanying drawing explanation:
Fig. 1 is that structure of the present invention is along electric machine casing axis profile schematic diagram;
Fig. 2 is structure magnetic shoe locating rack front schematic view of the present invention;
Fig. 3 is that the A of magnetic shoe locating rack in Fig. 2 is to generalized section;
Fig. 4 is magnetic shoe schematic top plan view of the present invention;
Fig. 5 is geometrical clamp front schematic view of the present invention;
Fig. 6 is structure schematic top plan view of the present invention.
In accompanying drawing: 1, electric machine casing; 2, magnetic shoe; 3, magnetic shoe locating rack; 4, geometrical clamp; 31, arc strip; 32, compression bar; 33, groove; 34, perpendicular type groove.
embodiment:
As shown in Fig. 1-6, a kind of fixed structure of motor magnetic tile, it includes electric machine casing 1, the arc magnetic shoe 2 of being close to electric machine casing 1 inwall, described magnetic shoe 2 left ends and right-hand member are square, also include magnetic shoe locating rack 3, described magnetic shoe locating rack 3 includes the arc strip 31 fitting with electric machine casing 1 inwall, magnetic shoe 2 upper surfaces are close in described arc strip 31 bottom surfaces, and arc strip 31 bottom surface symmetrical molding have two compression bars 32 and compression bar 32 between adjacent two magnetic shoes 2, madial wall in opposite directions of described two compression bars 32 and 31 lower surfaces of the arc strip between two compression bars 32 all have groove 33 and groove 33 global shapes for being inverted " U " type, in described groove 33, be installed with the geometrical clamp 4 that Open Side Down, described two compression bar 32 lateral walls have perpendicular type groove 34.
Particularly, described geometrical clamp 4 one end are U-shaped, and openend is that opening becomes large horn mouth gradually.
Particularly, between two compression bars 32 on described magnetic shoe locating rack 3, spacing is less than 4 ~ 6mm of geometrical clamp 4 openend opening sizes.
Particularly, described magnetic shoe 2 left ends are identical with right-hand member planform and symmetrical about magnetic shoe 2 centers, and a right angle face of a right angle face of described magnetic shoe 2 left ends and its right-hand member is positioned on same plane B.
Particularly, the perpendicular type groove 34 on two compression bar 32 lateral surfaces on described magnetic shoe 2 locating racks and magnetic shoe 2 left ends or right-hand member match to merge and are adjacent to.
Operation principle of the present invention is: first magnetic shoe 2 put into electric machine casing 1 and fitted with electric machine casing 1 inwall, by geometrical clamp 4, Open Side Down is installed in the groove 33 on magnetic shoe locating rack 3, again the compression bar on magnetic shoe locating rack 3 32 is pressed into 2 of two adjacent magnetic shoes, makes the left end of magnetic shoe 2 or perpendicular type groove 34 interference fit on right-hand member and compression bar 32 lateral walls to reach fixing.
The right angle face on same plane B of being positioned in magnetic shoe 2 left ends and right-hand member makes the sagitta face of magnetic shoe 2 compacted while being under pressure, magnetic shoe 2 can be close to electric machine casing 1 inwall, and another right angle face of magnetic shoe 2 left ends and right-hand member makes the chord length of magnetic shoe 2 compacted while being under pressure, meanwhile, the high face of the axle of magnetic shoe 2 is close to the bottom surface of magnetic shoe locating rack 3, and total forms a kind of three-dimensional localization, not only fixation, stressed very even, to magnetic shoe 2 surface nondestructive wounds, and do not affect heat radiation.
The foregoing is only preferred embodiment of the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, should belong to the scope of protection of the invention.
Claims (5)
1. the fixed structure of a motor magnetic tile, it includes electric machine casing (1), the arc magnetic shoe (2) of being close to electric machine casing (1) inwall, it is characterized in that: described magnetic shoe (2) left end and right-hand member are square, also include magnetic shoe locating rack (3), described magnetic shoe locating rack (3) includes the arc strip (31) fitting with electric machine casing (1) inwall, magnetic shoe (2) upper surface is close in described arc strip (31) bottom surface, and arc strip (31) bottom surface symmetrical molding has two compression bars (32) and compression bar (32) to be positioned between adjacent two magnetic shoes (2), madial wall in opposite directions of described two compression bars (32) and be positioned at arc strip (31) lower surface between two compression bars (32) and all have groove (33) and groove (33) global shape for being inverted " U " type, in described groove (33), be installed with the geometrical clamp that Open Side Down (4), described two compression bars (32) lateral wall has perpendicular type groove (34).
2. the fixed structure of motor magnetic tile according to claim 1, is characterized in that: described geometrical clamp (4) one end is U-shaped, and openend is that opening becomes large horn mouth gradually.
3. the fixed structure of motor magnetic tile according to claim 1, is characterized in that: between two compression bars (32) on described magnetic shoe locating rack (3), spacing is less than 4 ~ 6mm of geometrical clamp (4) openend opening size.
4. the fixed structure of motor magnetic tile according to claim 1, it is characterized in that: described magnetic shoe (2) left end is identical with right-hand member planform and symmetrical about magnetic shoe (2) center, a right angle face of described magnetic shoe (2) left end and a right angle face of its right-hand member are positioned on same plane B.
5. the fixed structure of motor magnetic tile according to claim 1, is characterized in that: the perpendicular type groove (34) on two compression bars (32) lateral surface on described magnetic shoe (2) locating rack matches to merge with magnetic shoe (2) left end or right-hand member and is adjacent to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410466262.7A CN104201805B (en) | 2014-09-12 | 2014-09-12 | Fixing structure for magnetic shoes of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410466262.7A CN104201805B (en) | 2014-09-12 | 2014-09-12 | Fixing structure for magnetic shoes of motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104201805A true CN104201805A (en) | 2014-12-10 |
| CN104201805B CN104201805B (en) | 2017-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410466262.7A Expired - Fee Related CN104201805B (en) | 2014-09-12 | 2014-09-12 | Fixing structure for magnetic shoes of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104201805B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104638780A (en) * | 2015-01-14 | 2015-05-20 | 海安联科汽车零部件有限公司 | Magnetic shoe clip of long and short structure |
| CN104967231A (en) * | 2015-07-24 | 2015-10-07 | 日本电产凯宇汽车电器（江苏）有限公司 | AMT motor magnetic tile installation structure |
| CN106899099A (en) * | 2017-04-13 | 2017-06-27 | 东风博泽汽车系统有限公司 | For the elastic magnetic shoe folder that automobile cooling fan permanent magnet DC motor magnetic shoe is fixed |
| CN111404336A (en) * | 2020-03-24 | 2020-07-10 | 昌荣电机（深圳）有限公司 | Motor magnetic shoe assembly system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011067057A (en) * | 2009-09-18 | 2011-03-31 | Mitsuba Corp | Brushless motor |
| CN202309260U (en) * | 2011-09-21 | 2012-07-04 | 芜湖杰诺瑞汽车电器系统有限公司 | Magnetic shoe fixing structure of permanent magnet starter motor |
| CN203589862U (en) * | 2013-10-11 | 2014-05-07 | 广州市科奥机电有限公司 | Magnetic shoe fixing device for automobile air conditioner motor |
| CN204190509U (en) * | 2014-09-12 | 2015-03-04 | 湖州德盛汽车部件有限公司 | A kind of fixed structure of motor magnetic tile |
-
2014
- 2014-09-12 CN CN201410466262.7A patent/CN104201805B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011067057A (en) * | 2009-09-18 | 2011-03-31 | Mitsuba Corp | Brushless motor |
| CN202309260U (en) * | 2011-09-21 | 2012-07-04 | 芜湖杰诺瑞汽车电器系统有限公司 | Magnetic shoe fixing structure of permanent magnet starter motor |
| CN203589862U (en) * | 2013-10-11 | 2014-05-07 | 广州市科奥机电有限公司 | Magnetic shoe fixing device for automobile air conditioner motor |
| CN204190509U (en) * | 2014-09-12 | 2015-03-04 | 湖州德盛汽车部件有限公司 | A kind of fixed structure of motor magnetic tile |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104638780A (en) * | 2015-01-14 | 2015-05-20 | 海安联科汽车零部件有限公司 | Magnetic shoe clip of long and short structure |
| CN104967231A (en) * | 2015-07-24 | 2015-10-07 | 日本电产凯宇汽车电器（江苏）有限公司 | AMT motor magnetic tile installation structure |
| CN106899099A (en) * | 2017-04-13 | 2017-06-27 | 东风博泽汽车系统有限公司 | For the elastic magnetic shoe folder that automobile cooling fan permanent magnet DC motor magnetic shoe is fixed |
| CN106899099B (en) * | 2017-04-13 | 2023-04-25 | 东风博泽汽车系统有限公司 | Elastic magnetic shoe clamp for fixing magnetic shoe of permanent magnet direct current motor of automobile cooling fan |
| CN111404336A (en) * | 2020-03-24 | 2020-07-10 | 昌荣电机（深圳）有限公司 | Motor magnetic shoe assembly system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104201805B (en) | 2017-01-18 |
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Effective date of registration: 20171108 Address after: 325000 Zhejiang city of Wenzhou province Ruian Xincheng street down the root Village No. 132 Fengshan Road, two floor Patentee after: RUI'AN DONGDU AUTOMOTIVE ELECTRONICS CO., LTD. Address before: Eight Li Dian Zhen Wuxing District 313000 in Zhejiang province Huzhou city Wuxing science and Technology Park Xinsheng No. 8 Patentee before: HUZHOU DESHENG AUTO PARTS CO., LTD. |
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Granted publication date: 20170118 Termination date: 20180912 |
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| CF01 | Termination of patent right due to non-payment of annual fee |