CN102684401A - Magnetic tile adhering clamp for direct-current motor - Google Patents
Magnetic tile adhering clamp for direct-current motor Download PDFInfo
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- CN102684401A CN102684401A CN2011102069633A CN201110206963A CN102684401A CN 102684401 A CN102684401 A CN 102684401A CN 2011102069633 A CN2011102069633 A CN 2011102069633A CN 201110206963 A CN201110206963 A CN 201110206963A CN 102684401 A CN102684401 A CN 102684401A
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- slide block
- magnetic shoe
- positioning cylinder
- hold
- shaped groove
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Abstract
The invention discloses a magnetic tile adhering clamp for a direct-current motor. The magnetic tile adhering clamp comprises a base, and an elevated column with the diameter matched with the inner diameter of a body of the direct-current motor is arranged on the upper surface of the base. The elevated column is provided with a positioning cylinder which is of a split structure, the outer diameter of the positioning cylinder is matched with the inner diameter of the body of the direct-current motor, an even number of U-shaped through grooves extending from the position of the upper end face to one side of the positioning cylinder are equally arranged on the outer side face of the positioning cylinder, sliding blocks are arranged in the U-shaped through grooves, sliding guiding structures are arranged between the sliding blocks and the U-shaped through grooves, the outer side faces of the sliding blocks are cambered surfaces matched with the inner side faces of magnetic tiles, the outer side face of each sliding block and the left side face and the right side face of each U-shaped through groove jointly form one magnetic tile positioning groove, and the inner side bottom surfaces of the U-shaped through grooves attached to the sliding blocks are locking slopes inclined outwards from top to bottom. The magnetic tile adhering clamp can guarantee positioning accuracy of the magnetic tiles in adhesion, and is favorable for increasing length dimensions of the magnetic tiles through splicing structures so as to manufacture the direct-current motor with large torque. The guiding structures of the clamp are simplified, thereby being favorable for reduction of manufacturing cost.
Description
Technical field
The present invention relates to DC motor and make the field, especially relate to a kind of anchor clamps that are used for DC motor magnetic shoe bonding.
Background technology
Electric bicycle since its facility, environmental protection and advantage such as cheap on market, popularize rapidly; Thereby the DC motor that is used for electric bicycle also had higher requirement; It need have the performance of the slow-speed of revolution, high torque (HT), thereby makes vehicle have good startup acceleration performance.The permanent magnet direct current motor structure of prior art generally comprises casing, magnetic shoe, rotor, commutator etc., and what magnetic shoe wherein adopted is the single piece type structure.Improve the torque of DC motor, especially detent torque just needs the longer magnetic shoe of factory length.Yet owing to receive the material behavior of manufacturing magnetic shoe and the restriction of existing magnetic shoe process equipment and technology; Make large-sized magnetic shoe be difficult to processing and manufacturing, not only the accuracy of manufacture is lower, and rate of finished products is low; Manufacturing cost is high, and then has limited the torque of DC motor.Therefore, people attempt magnetic shoe is made splicing construction, through several magnetic shoes axially are bonded on the fuselage of motor after the splicing, reach the purpose that increases magnetic shoe length.Yet owing to can produce great repulsive force between the homopolarity magnetic shoe of splicing vertically, thereby the location when bond to magnetic shoe brought difficulty, and then the positional precision of the final bonding of influence magnetic shoe well.For this reason, the someone has designed the magnetic shoe bonding anchor clamps shown in Figure of description 1, and it comprises a base; Base is provided with the sleeve of one; The internal diameter of the external diameter of sleeve and motor fuselage is suitable, and the sidewall of sleeve is provided with location notch, the size of location notch and magnetic shoe big or small suitable.When adhesive magnetic tile, the fuselage with motor is enclosed within on the sleeve earlier, and the magnetic shoe that will scribble glue is then put into location notch, and bonding with the fuselage inwall.Because the surfaces externally and internally of magnetic shoe is not concentric arc surface usually, motor field is distributed more approach sine wave, and then reduce electromagnetic noise effectively, therefore, location notch adopts the groove structure usually, to make things convenient for the processing of location notch.What yet the location notch of groove structure made magnetic shoe radially can not get the location, and therefore very inconvenient when adhesive magnetic tile, particularly when second homopolarity magnetic shoe of bonding, owing to receive the influence of repulsive force each other between the magnetic shoe, its location is difficulty more.
Summary of the invention
The existing magnetic shoe of magnetic shoe bonding anchor clamps that the objective of the invention is to solve prior art can not get locating fully; And then make the problem of magnetic shoe bonding difficulty; A kind of DC motor magnetic shoe bonding anchor clamps that magnetic shoe bondd under the state of reliable location and be convenient to processing and manufacturing are provided; Thereby make things convenient for the bonding of magnetic shoe, and size and positional precision when improving the bonding of magnetic shoe.
To achieve these goals; The present invention adopts following technical scheme: a kind of DC motor magnetic shoe bonding anchor clamps, comprise base, and said base upper surface is the suitable bed hedgehopping post of the fuselage internal diameter of diameter and DC motor; The bed hedgehopping post is provided with a positioning cylinder of branch body structure; The fuselage internal diameter of the external diameter of positioning cylinder and DC motor is suitable, and the first-class even number U-shaped groove that extends to positioning cylinder one side from the upper end surface that is arranged with of the lateral surface of positioning cylinder is provided with slide block in the U-shaped groove; Be provided with gliding movement targeting structure between slide block and the U-shaped groove; The lateral surface of said slide block is the cambered surface adaptive with the magnetic shoe medial surface, and two sides constitute the magnetic shoe location notch jointly about the lateral surface of slide block and U-shaped groove, and the inside bottom surface that U-shaped groove and slide block are fitted is outward-dipping from top to bottom locking inclined-plane.Magnetic shoe location notch of the present invention is one by two U-lags that the side constitutes jointly about the lateral surface of slide block and U-shaped groove, thereby makes magnetic shoe also can obtain reliable localization diametrically.Because for dividing body structure, therefore, the U-shaped groove can connect the upper and lower side of whole positioning cylinder, thereby the U-shaped groove can be machined with common milling machine between the bed hedgehopping post of positioning cylinder and base.Especially, the bottom surface of fitting with slide block on the U-shaped groove is an inclined-plane, thereby makes processing more convenient.The bearing-surface of fitting with magnetic shoe inner arc face in the anchor clamps of the present invention is arranged on the single glider, and therefore, this bearing-surface on the slide block becomes the arc surface of an evagination, thereby helps the processing of this bearing-surface.Further, the medial surface of fitting in the locking inclined-plane of slide block and U-shaped groove is outward-dipping from top to bottom inclined-plane, therefore; Make slide block become a wedge structure, thereby bearing-surface can be adjusted the position diametrically automatically, magnetic shoe can be located diametrically reliably; And make magnetic shoe fit tightly the motor fuselage; Guarantee the precision of the solid and reliable and bonding of magnetic shoe bonding, simultaneously, also can adapt to the bonding of different-thickness magnetic shoe.
As preferably; Said gliding movement targeting structure comprises the U-shaped groove both sides that are arranged on positioning cylinder and two circular guide pillar holes of slide block joint place; Circular guide pillar hole cross-over connection U-shaped groove and slide block, bottom, circular guide pillar hole is provided with counterbore, and circular guide pillar is provided with circular guide pillar in the hole; Circular guide pillar bottom is provided with flange, and the axis in circular guide pillar hole is parallel with the locking inclined-plane.The existing glide guide frame normally is provided with the rectangle or the swallow-tail form slide rail of one on the slide block in the slide block both sides, not only increases the difficulty of processing of slide block two sides, makes it be difficult to adopt high-precision grinding, and corresponding chute is difficult to processing more.What gliding movement targeting structure of the present invention adopted is split-type structural; The pilot hole of both sides is a circular hole, and a part is a part of on slide block on the U-shaped groove; Therefore; Whole pilot hole can adopt the whole boring of common drilling machine, fraising to accomplish after slide block is packed the U-shaped groove into, thereby has simplified manufacturing process greatly, and makes things convenient for the integral grinding processing of slide block.
As preferably; The axis in said circular guide pillar hole is positioned at positioning cylinder one side, is more than half circular hole thereby make circular guide pillar hole in positioning cylinder one side, and is a smaller part circular hole in slide block one side; So circular guide pillar can be fixed on the positioning cylinder, further facilitates the installation of slide block.
As preferably, also comprise a gland, said gland is step axle shape, and it comprises the slide block hold-down segment of head, the magnetic shoe hold-down segment of centre and the pedestal of afterbody.Thereby the location that makes magnetic shoe compresses and bonds and can carry out through press.
As preferably; Said magnetic shoe hold-down segment is a tube-in-tube structure; The slide block hold-down segment is positioned at the magnetic shoe hold-down segment, and and the magnetic shoe hold-down segment between constitute and be slidingly connected, the bottom of slide block hold-down segment is provided with spring; The side of slide block hold-down segment is provided with stopper slot vertically, and the corresponding stopper slot in the side of magnetic shoe hold-down segment place radially is provided with stop screw.Thereby the distance between adjusting slider hold-down segment, the magnetic shoe hold-down segment is guaranteed when compressing magnetic shoe automatically, and the slide block hold-down segment can the excessive compression slide block or caused fully not compressing slide block.
As preferably, the bottom surface of said slide block is provided with spring eye, and the coaxial spring guide that is provided with is arranged with the stage clip that compresses the bed hedgehopping post in the spring eye on the spring guide, and the bed hedgehopping post is provided with the pilot hole adaptive with spring guide.Stage clip can make slide block go up bullet automatically to separate with the bed hedgehopping post, thereby makes things convenient for magnetic shoe to put in the magnetic shoe location notch, and spring guide then can be avoided producing distortion behind the stage clip pressurized.
As preferably, corresponding slide block place is provided with the slide block that connects the bed hedgehopping post through hole that resets on the said base, both can after slide block is stuck because of excessive pressurized, carry out hand-reset, makes things convenient for the periodic cleaning appearance of anchor clamps simultaneously.
Therefore, the present invention has following beneficial effect: the positioning accuracy of magnetic shoe when bonding can be guaranteed in (1), thereby helps increasing through splicing construction the length dimension of magnetic shoe, to make the direct current machine of high pulling torque; (2) simplify the guide frame of anchor clamps, helped reducing manufacturing cost.
Description of drawings
Fig. 1 is the structural representation of a kind of decomposition of the present invention.
Fig. 2 is the top plan view that the present invention removes the cutaway view behind the gland.
Fig. 3 is the enlarged drawing at A place among Fig. 2.
Fig. 4 is the structural representation of gland of the present invention.
Fig. 5 is the structural representation of the present invention in user mode.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further description.
Among the embodiment as shown in Figure 1; A kind of DC motor magnetic shoe bonding anchor clamps; Comprise a discoidal base 1; The cylindrical bed hedgehopping post 2 that base upper surface is formed as one, the fuselage internal diameter of the diameter of bed hedgehopping post and DC motor casing is suitable, and the height of bed hedgehopping post can be confirmed in the position of the fuselage of DC motor casing according to magnetic shoe.Bed hedgehopping post upper surface is provided with a positioning cylinder 3 of branch body structure; Identical with the bed hedgehopping post; The external diameter of positioning cylinder is also suitable with the fuselage internal diameter of DC motor; And the comparable spliced magnetic shoe total length of the height of positioning cylinder is little 5 to 10 millimeters; First-class 4 the U-shaped grooves 4 that extend to positioning cylinder one side from the upper end surface that are arranged with of the lateral surface of positioning cylinder, the inside bottom surface of U-shaped groove is outward-dipping from top to bottom locking inclined-plane 41, is provided with the slide block 5 that can slide up and down along the locking inclined-plane in the U-shaped groove; The lateral surface of slide block is for the adaptive cambered surface of magnetic shoe medial surface and be lower than the outer surface of positioning cylinder; Thereby make slide block lateral surface and U-shaped groove about two sides constitute magnetic shoe location notch 42 jointly, suitable with the locking inclined-plane of U-shaped groove bottom, the medial surface of fitting with the locking inclined-plane of U-shaped groove bottom on the slide block also is outward-dipping from top to bottom inclined-plane.In addition; Between slide block and U-shaped groove, be provided with the gliding movement targeting structure that guide shoe slides up and down, gliding movement targeting structure comprises the U-shaped groove both sides that are symmetricly set on positioning cylinder and two circular guide pillar holes 51 of slide block joint place, circular guide pillar hole cross-over connection U-shaped groove and slide block; The axis in circular guide pillar hole is positioned at positioning cylinder one side and parallel with the locking inclined-plane; Bottom, circular guide pillar hole is provided with counterbore, is provided with circular guide pillar 52 in the circular guide pillar hole, and circular guide pillar bottom is provided with the flange that cooperates with counterbore.Further, like Fig. 2, shown in Figure 3, spring eye 53 is set in the centre position, bottom surface of slide block; The parallel axes in the axis of spring eye and circular guide pillar hole coaxially in the spring eye is provided with spring guide 54, and on spring guide sheathed stage clip 55; Stage clip one end compresses the bed hedgehopping post, and the other end compresses slide block, and slide block and bed hedgehopping post are separated; Correspondingly, on the bed hedgehopping post, be provided with and the adaptive pilot hole 56 of spring guide, spring guide is inserted in the pilot hole and constitutes and is slidingly connected.Especially, corresponding slide block place is provided with the slide block that connects the bed hedgehopping post through hole 6 that resets on base, so that after slide block is stuck because of excessive pressurized, can carry out hand-reset.
Further, like Fig. 1, shown in Figure 4, the present invention also comprises a gland 7, and gland integral body is step axle shape, comprises the slide block hold-down segment 71 of head, the magnetic shoe hold-down segment 72 of centre and the pedestal 73 of afterbody.Wherein the magnetic shoe hold-down segment is a tube-in-tube structure, and the fuselage internal diameter of the comparable DC motor casing of its external diameter is smaller, generally can be little 1 to 2 millimeter, and enter into and magnetic shoe is compressed in the fuselage thereby be convenient to the magnetic shoe hold-down segment.The slide block hold-down segment then be located in the magnetic shoe hold-down segment and and the magnetic shoe hold-down segment between constitute and be slidingly connected.In addition, also need spring 74 to be set, and stopper slot 75 is set vertically in the side of slide block hold-down segment in the bottom of slide block hold-down segment.With this simultaneously, corresponding stopper slot place then radially is provided with stop screw 76 on the side of magnetic shoe hold-down segment, to limit the stroke that slides up and down of slide block hold-down segment.Certainly, the elastic force of spring must be greater than the elastic force of the stage clip of slider bottom, generally should be more than one times greater than the elastic force of stage clip, and to guarantee that slide block can not separate with the bed hedgehopping post when the gland pressed slider.
As shown in Figure 5, when the magnetic shoe of bonding splicing construction, in the magnetic shoe location notch of anchor clamps, coat butter earlier; In order to avoid because the seepage of glue is bonded in the magnetic shoe location notch magnetic shoe, the fuselage 8 with DC motor casing sleeve-like is enclosed within on the positioning cylinder, at this moment then; Because the effect of stage clip; Slide block is under the guiding of the circular guide pillar in both sides, and locking inclined-plane, edge pops up and separates with the bed hedgehopping post, therefore; The magnetic shoe location notch size of this moment is greater than the size of magnetic shoe, thereby the magnetic shoe 9 that scribbles glue can be put in the magnetic shoe location notch easily.After putting into all magnetic shoes, can gland be placed on the fuselage; The magnetic shoe hold-down segment that diameter is bigger on the gland overcomes the repulsive force between two magnetic shoes of homopolarity; Magnetic shoe is compressed in the axial direction, and meanwhile, slide block one side under the pushing of slide block hold-down segment progressively glides; Under the guiding on the locking inclined-plane of the circular guide pillar of both sides and U-shaped groove, progressively outwards move simultaneously; And then magnetic shoe is pressed on the fuselage madial wall, realize magnetic shoe reliable location diametrically, and finally realize the high accuracy bonding of spliced magnetic shoe.After the bonding of accomplishing magnetic shoe, remove gland, the slide block of this moment pops up under the effect of bottom stage clip, and inwardly shrinks diametrically, separates thereby make between magnetic shoe and the slide block, can easily the fuselage that is bonded with magnetic shoe be got on down from positioning cylinder.
Claims (7)
1. DC motor magnetic shoe bonding anchor clamps; Comprise base (1), it is characterized in that said base upper surface is the suitable bed hedgehopping post (2) of the fuselage internal diameter of diameter and DC motor; The bed hedgehopping post is provided with a positioning cylinder (3) of branch body structure; The fuselage internal diameter of the external diameter of positioning cylinder and DC motor is suitable, and the first-class even number U-shaped groove (4) that extends to positioning cylinder one side from the upper end surface that is arranged with of the lateral surface of positioning cylinder is provided with slide block (5) in the U-shaped groove; Be provided with gliding movement targeting structure between slide block and the U-shaped groove; The lateral surface of said slide block is the cambered surface adaptive with the magnetic shoe medial surface, and two sides constitute magnetic shoe location notch (42) jointly about the lateral surface of slide block and U-shaped groove, and the inside bottom surface that U-shaped groove and slide block are fitted is outward-dipping from top to bottom locking inclined-plane (41).
2. a kind of DC motor magnetic shoe bonding anchor clamps according to claim 1; It is characterized in that said gliding movement targeting structure comprises the U-shaped groove both sides that are arranged on positioning cylinder and two circular guide pillar holes (51) of slide block joint place, circular guide pillar hole cross-over connection U-shaped groove and slide block; Bottom, circular guide pillar hole is provided with counterbore; Circular guide pillar is provided with circular guide pillar (52) in the hole, and circular guide pillar bottom is provided with flange, and the axis in circular guide pillar hole is parallel with the locking inclined-plane.
3. a kind of DC motor magnetic shoe bonding anchor clamps according to claim 1 is characterized in that the axis in said circular guide pillar hole is positioned at positioning cylinder one side.
4. a kind of DC motor magnetic shoe bonding anchor clamps according to claim 1; It is characterized in that; Also comprise a gland (7), said gland is step axle shape, and it comprises the slide block hold-down segment (71) of head, the magnetic shoe hold-down segment (72) of centre and the pedestal (73) of afterbody.
5. a kind of DC motor magnetic shoe bonding anchor clamps according to claim 4; It is characterized in that said magnetic shoe hold-down segment is a tube-in-tube structure, the slide block hold-down segment is positioned at the magnetic shoe hold-down segment; And and the magnetic shoe hold-down segment between constitute and be slidingly connected; The bottom of slide block hold-down segment is provided with spring (74), and the side of slide block hold-down segment is provided with stopper slot (75) vertically, and the corresponding stopper slot in the side of magnetic shoe hold-down segment place radially is provided with stop screw (76).
6. according to claim 1 or 2 or 3 or 4 or 5 described a kind of DC motor magnetic shoe bonding anchor clamps; It is characterized in that; The bottom surface of said slide block is provided with spring eye (53); The coaxial spring guide (54) that is provided with is arranged with the stage clip (55) that compresses the bed hedgehopping post in the spring eye on the spring guide, and the bed hedgehopping post is provided with the pilot hole adaptive with spring guide (56).
7. according to claim 1 or 2 or 3 or 4 or 5 described a kind of DC motor magnetic shoes bonding anchor clamps, it is characterized in that corresponding slide block place is provided with the slide block that connects the bed hedgehopping post through hole (6) that resets on the said base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110206963 CN102684401B (en) | 2011-07-22 | 2011-07-22 | Magnetic tile adhering clamp for direct-current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110206963 CN102684401B (en) | 2011-07-22 | 2011-07-22 | Magnetic tile adhering clamp for direct-current motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102684401A true CN102684401A (en) | 2012-09-19 |
| CN102684401B CN102684401B (en) | 2013-11-06 |
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ID=46815911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110206963 Expired - Fee Related CN102684401B (en) | 2011-07-22 | 2011-07-22 | Magnetic tile adhering clamp for direct-current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102684401B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393718A (en) * | 2014-11-18 | 2015-03-04 | 安徽百宏达汽车电器有限公司 | Magnetic shoe press-fitting clamp for motor stator |
| CN111463980A (en) * | 2020-03-26 | 2020-07-28 | 深圳市皓宇智能有限公司 | Automatic assembly process and device for motor shell |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58139668A (en) * | 1982-02-12 | 1983-08-19 | Mitsubishi Electric Corp | Manufacture of permanent magnet type dc motor |
| WO1997005687A1 (en) * | 1995-07-28 | 1997-02-13 | Ryobi North America, Inc. | Method for securing magnets to a permanent magnet motor shell and a motor made therefrom |
| CN2859916Y (en) * | 2005-11-30 | 2007-01-17 | 许晓华 | Motor magnetic shoe mounting auxiliary device |
| CN201018365Y (en) * | 2006-12-31 | 2008-02-06 | 横店集团东阳东磁电机有限公司 | Multipole magnetic shoe and machine casing assembling instrument |
| CN101202485A (en) * | 2007-07-10 | 2008-06-18 | 浙江省东阳市诚基电机有限公司 | Multipolar magnetic shoe assembling device |
| CN201557022U (en) * | 2009-11-23 | 2010-08-18 | 凯弗隆(厦门)科技有限公司 | Novel magnetic tile mounting machine |
-
2011
- 2011-07-22 CN CN 201110206963 patent/CN102684401B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58139668A (en) * | 1982-02-12 | 1983-08-19 | Mitsubishi Electric Corp | Manufacture of permanent magnet type dc motor |
| WO1997005687A1 (en) * | 1995-07-28 | 1997-02-13 | Ryobi North America, Inc. | Method for securing magnets to a permanent magnet motor shell and a motor made therefrom |
| CN2859916Y (en) * | 2005-11-30 | 2007-01-17 | 许晓华 | Motor magnetic shoe mounting auxiliary device |
| CN201018365Y (en) * | 2006-12-31 | 2008-02-06 | 横店集团东阳东磁电机有限公司 | Multipole magnetic shoe and machine casing assembling instrument |
| CN101202485A (en) * | 2007-07-10 | 2008-06-18 | 浙江省东阳市诚基电机有限公司 | Multipolar magnetic shoe assembling device |
| CN201557022U (en) * | 2009-11-23 | 2010-08-18 | 凯弗隆(厦门)科技有限公司 | Novel magnetic tile mounting machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393718A (en) * | 2014-11-18 | 2015-03-04 | 安徽百宏达汽车电器有限公司 | Magnetic shoe press-fitting clamp for motor stator |
| CN111463980A (en) * | 2020-03-26 | 2020-07-28 | 深圳市皓宇智能有限公司 | Automatic assembly process and device for motor shell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102684401B (en) | 2013-11-06 |
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