CN2935605Y

CN2935605Y - Insulation frame structure of motor stator

Info

Publication number: CN2935605Y
Application number: CN 200620122484
Authority: CN
Inventors: 艾奇
Original assignee: Asia Vital Components Co Ltd
Current assignee: DONGGUAN XINGQIHONG ELECTRONICS Co Ltd
Priority date: 2006-07-28
Filing date: 2006-07-28
Publication date: 2007-08-15
Anticipated expiration: 2016-07-28

Abstract

The utility model relates to an insulation frame structure of a motor stator, which comprises a first insulation frame and a first unilaterally-protruding main body, wherein the first main body is provided with a first hole and complex first extension plates are arranged on the external wall of the first main body in a radiated manner; a first ring plate is provided at the end of each first extension plate, extending to both sides in a radial direction, which is characterized in that the projecting end of the first main body is provided with a plurality of slightly higher recesses along the first hole, having internally concave grooves leading to the first main body at both sides of the recesses; and a first convex plate is convexly arranged from the external wall of first main body and the outboard side of each first extension plate to the inboard side of the first ring plate; a first slightly higher trigger unit is arranged on the first convex plate leading to the hole, thereby increasing the height of the first convex plate to avoid possible deformation of the first convex plate when assembling a silicon-sheet group and ensuring the silicon-sheet securely positioned on the first insulation frame.

Description

The insulating frame structure of motor stator

Technical field

The utility model relates to a kind of insulation system, particularly be a kind ofly can conveniently be coated on silicon steel sheet group appearance, forming the location, and prevent from the insulating frame distortion and have concurrently to collude fixed bit with circuit board elasticity with silicon steel sheet.

Background technology

The insulating case structure utility model case of the d.c. motor stator of general existing insulating frame structure such as Chinese patent bulletin CN 02201611.2, described case discloses described insulating case and comprises a body at least, has a hole; And number extension board, hole by body outwards extends radially, and each extension board has a holding tank, and the section of described holding tank slightly is ㄇ font shape, notch two lateral terminals of holding tank have outstanding buckling body, thereby it is comparatively easy that insulating case is combined with the silicon steel sheet group.

Yet on using, above-mentioned technology have its problem to exist, owing to be installed with silicon steel sheet group in holding tank only is buckled in the silicon steel sheet group by described buckling body orlop, though the silicon steel sheet group firmly is provided with at axial direction, but the scale error of main body is inconsistent by meeting when making, cause the radial direction of hub portion in main body of silicon steel sheet group can't be right after driving fit, when revolution, the influence that the silicon steel sheet group can be rotated and the vibrations of radial direction in insulating case, not only cause the enamelled wire fracture of winding on extension board, and noise also can increase, and the location division of described insulating case location silicon steel sheet group is easily because too thin and be easy to generate distortion.

In addition, other has combining of existing insulating case and circuit board, be trip to be arranged in order to the described circuit board of hook by outer generation of body, but but be greatly at the internal diameter size of circuit board hook by external diameter at described trip, cause in conjunction with the time must trip be forced on the hook circuit board with destructive mode place, therefore often cause the problems such as damage that cause insulating frame and circuit board.

Therefore because every shortcoming that above-mentioned existing product are derived, the creation of this case exhausts its intelligence then, is innovated improvement to be engaged in described industry experience for many years, to concentrate on studies, successfully researching and developing the insulating frame structure case of finishing this part motor stator eventually, is the creation that a tool effect is promoted in fact.

Summary of the invention

For effectively solving the above problems, the purpose of this utility model is, provide an a kind of end of described insulating frame to be provided with slightly outstanding bullet hook part, both sides, described bullet hook part are provided with the scarce ditch toward the first main body indent, to increase the toughness that plays the hook part, in order to do more flexibly colluding described admittedly circuit board, and prevent that the fracture of described bullet hook part from damaging.

Another purpose of the utility model is provided with first blocking part towards the insulating frame center being provided at first flange, in order to increase the thickness of first flange, prevents the distortion of first flange, and makes the silicon steel sheet group get more firmly being positioned in first insulating frame.

In order to achieve the above object, the technical solution adopted in the utility model is, a kind of insulating frame structure of motor stator is provided, comprise and have one first main body that protrudes out toward a side, described first main body has one first hole, reach by the described first main body outer wall and be provided with a plurality of first extension boards that extend radially, and first outer ring plate that extends towards both sides radially in the terminal of described each first extension board, the end that protrudes out in described first main body is provided with slightly outstanding and plays the hook part along the number in described first hole, the described both sides, hook part that respectively play respectively are provided with the scarce ditch toward the first main body indent; Respectively be convexly equipped with along one first flange of its outer wall and each first extension board outside to the first outer ring plate inboard in other side of described first main body, described first flange is provided with a protuberance towards place, described hole, to fix a pole piece group.

Characteristic on above-mentioned purpose of the present utility model and structure thereof and the function will be illustrated according to appended graphic preferred embodiment.

Description of drawings

Fig. 1 is the schematic perspective view of the utility model preferred embodiment;

Fig. 2 is the schematic perspective view at another visual angle of the utility model preferred embodiment;

Fig. 3 is first insulating frame of the utility model preferred embodiment and the perspective exploded view of silicon steel sheet combination;

Fig. 4 is first insulating frame of the utility model preferred embodiment and the solid combination schematic diagram of silicon steel sheet combination;

Fig. 5 is first insulating frame of the utility model preferred embodiment and the front elevational schematic of silicon steel sheet combination;

Fig. 6 is the perspective exploded view of the utility model preferred embodiment and second insulating frame collocation assembling;

Fig. 7 is the solid combination schematic diagram of the utility model preferred embodiment and second insulating frame collocation assembling;

Fig. 8 is the schematic perspective view that enamelled wire is twined in the utility model preferred embodiment and second insulating frame assembling back;

Fig. 9 colludes the schematic perspective view of establishing a circuit board for the utility model preferred embodiment after twining enamelled wire;

Figure 10 is another visual angle schematic diagram of Fig. 9;

Figure 11 colludes the cross-sectional schematic of establishing a circuit board for the utility model preferred embodiment after twining enamelled wire.

Description of reference numerals: 10-first insulating frame; 11-first main body; 111-first hole; 12-bullet hook part; 13-lacks ditch; The 14-reference column; 15-first extension board; 16-first outer ring plate; The 161-spacing; 17-first flange; The 171-holding tank; 18-first blocking part; 19-second flange; 20-second insulating frame; 21-second main body; 22-second hole; 23-second extension board; 24-second outer ring plate; The 241-spacing; 25-the 3rd flange; 251-second holding tank; 26-the 4th flange; The firm sheet group of 30-silicon; The 31-pole; 32-hub portion; The 33-pole-face; The 40-enamelled wire; The 50-circuit board; The 51-trepanning; The 52-detent.

Embodiment

The utility model provides a kind of insulating frame structure of motor stator, icon is to be the utility model preferred embodiment, as shown in Figure 1, comprise one first insulating frame 10, described first insulating frame 10 has one first main body 11 that protrudes out toward a side, described first main body 11 has one first hole 111, the end that protrudes out of described first main body 11 is provided with along slightly outstanding on every side a plurality of bullets hook part 12, described first hole 111, described 12 both sides, hook part that respectively play, respectively be provided with scarce ditch 13 toward first main body, 11 indents, and it is outstanding to be provided with summary at described first main body, 11 outer walls, and is higher than the plural reference column 14 that protrudes out end of first main body 11.

Plural number first extension board 15 is to be stretched out radially by described first main body, 11 outer walls, and the center of circle of complying with first hole 111 at several first extension boards 15 described in the preferable enforcement of the utility model becomes the isogonism distribution to extend preferable; Reach terminal and radially both sides extension of court that plural first outer ring plate 16 is provided in a side of described each

first extension board

15, and 16 not connections of described adjacent outer ring plate, and tool one suitable spacing 161.

Show as Fig. 2, respectively convex with along one first flange 17 of its outer wall and each first extension board, 15 outside to the first outer ring plates, 16 inboard in above-mentioned first main body, 11 other sides, described first flange 17 is provided with one first blocking part 18 towards 111 places, described first hole, and described first flange 17 constitutes one first holding tank 171 along the both sides of first extension board 15.First flange 17 of described in addition each first extension board 15 is side in addition, is provided with one second flange 19 of position at described first extension board, 15 ends.

As Fig. 3, Fig. 4, shown in Figure 5, one silicon steel sheet group 30 is repeatedly inserted in described first insulating frame 10, each pole 31 of the described silicon steel sheet group 30 of described number a plurality of first extension board 15 suitable covers, 32 in the hub portion that is described part silicon steel sheet group 30 is in first hole 111 of described first main body 11, and it is solid radially supported by first blocking part 18,31 of each poles are in the holding tank 171 of each extension board 15, and then 33 of pole-faces are at first outer ring plate, 16 places.

Fig. 6 and for example, shown in Figure 7, one second insulating frame is established from the opposite side group of silicon steel sheet group 30, the shape structure of described second insulating frame is regardless of, as long as the part silicon steel sheet group 30 that is not coated by first insulating frame 10 can be coated, in this preferable diagram, represent, second insulating frame, 20 corresponding above-mentioned first insulating frames 10, it has one second main body 21, described second main body 21 has one second hole 22, and several second extension boards 23 are to be stretched out radially by described second main body, 21 outer walls, and second outer ring plate 24 that extends towards both sides radially in the terminal of described each

second extension board

23,24 of described adjacent second outer ring plates do not connect and have a spacing 241, and respectively be convexly equipped with at one three flange 25 of second main body, 21 1 sides along its outer wall and each second extension board, 23 outside to the second outer ring plates, 24 inboard, described the 3rd flange 25 constitutes a holding tank 251 in the both sides of second extension board 23.The 3rd flange 25 of each above-mentioned second extension board 23 is side in addition, is provided with one four flange 26 of position at described second extension board, 23 ends

According to above-mentioned, 32 in the hub portion of the then described part silicon steel sheet group 30 that is not coated by first insulating frame 10 is in second hole 211 of described second

main body

21, and 31 of each poles are in the holding tank 251 of each extension board 25, and then 33 of pole-faces are at second outer ring plate, 24 places.That is described silicon steel sheet group 30 coated by first insulating frame 10 and second insulating frame 20, makes 31 of each poles in the holding tank 171,251 of each

extension board

15,23, and then 33 of pole-faces are 24 of first outer ring plate 16 and second outer ring plates.

As Fig. 6, Fig. 7, shown in Figure 8, carry out coiling work by inserting enamelled wire 40 apart from 161,241 between 16,24 of described first and second outer ring plates, described enamelled wire 40 is on the circumferential surface of first extension board 15 and second extension board 23, and second, four

flanges

19,26 by each first extension board 15 and second extension board, 23 ends, enamelled wire 40 after the described winding is concentrated on all side external surfaces of first and

second extension board

15,23 locatees, can outwards not skid off.

As Fig. 1, Fig. 7 is to shown in Figure 11, with one offer corresponding above-mentioned first insulating frame 10 that has wound enamelled wire 40 of the circuit board 50 of a trepanning 51 first main body 11 protrude out end, the external diameter that bullet hook part 12 structures such as wherein said are established is bigger internal diameter at described trepanning 51, and offer at least one detent 52 in described trepanning 51 inboards, make described trepanning 51 corresponding described bullet hook parts 12, and described detent 52 corresponding described reference columns 14, described first main body 11 is pressed into toward circuit board 50 directions, then described bullet hook part 12 take advantage of a situation ground elasticity be forced in the described trepanning 51, and collude the opposite side that is located at described circuit board 50, described reference column 14 correspondences are gone into described detent 52 places simultaneously, to make described circuit board 50 firm being colluded by first insulating frame 10 admittedly.

When admittedly described circuit board 50 is colluded in elasticity in above-mentioned bullet hook part 12, by the scarce ditch 13 that respectively offers in its both sides toward the first main body indent, can be by play the toughness of hook part 12 with increase, so can there be bigger displacement force distance described bullet hook part 12, elasticity is colluded described admittedly circuit board 50 more flexibly, prevent described bullet hook part 12 because the problem that the displacement force distance ruptures easily or causes circuit board 50 trepannings 51 to break inadequately, and described circuit board 50 can Yin Mada rock and causes enamelled wire 40 fractures, and make circuit board 50 be stabilized on the fan frame base, cause when preventing work to come off.

Moreover described first insulating frame 10, by described first blocking part 18 in first main body 11, radially support solid described pole piece group 30, make described pole piece group 30 not only axial direction be subjected to first and second insulating

frame

10,20 covers close firm outside, also can be firm in radial direction, and by first blocking part 18 is set on first flange 17 to increase thickness, so, not only prevent 17 distortion of first flange, and make silicon steel sheet group 30 more firmly be positioned in first insulating frame 10, and have concurrently, improve the problem of the generation and the enamelled wire fracture of existing noise.

More than explanation is novel just illustrative for this; and it is nonrestrictive; those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited; can make many modifications; change, or equivalence, but all will fall in the protection range of the present utility model.

Claims

1. the insulating frame structure of a motor stator, it comprises one first insulating frame, it has one first main body that protrudes out toward a side, described first main body has one first hole, reach by the described first main body outer wall and be provided with a plurality of first extension boards that extend radially, and first outer ring plate that extends towards both sides radially in the terminal of described each first extension board, it is characterized in that: the end that protrudes out of described first main body is provided with the number bullet hook part slightly outstanding along described first hole, the described both sides, hook part that respectively play, respectively be provided with scarce ditch toward the first main body indent, and being convexly equipped with respectively that in addition side is along one first flange of its outer wall with each first extension board outside to the first outer ring plate inboard in first main body, described first flange is provided with one first blocking part of slightly giving prominence to towards place, described hole.

2. the insulating frame structure of motor stator as claimed in claim 1 is characterized in that, in first flange of described each first extension board side in addition, is provided with one second flange that is positioned at the described first extension board end.

3. the insulating frame structure of motor stator as claimed in claim 1 is characterized in that, the described first main body outer wall is provided with slightly outstanding, and is higher than the reference column that protrudes out end of first main body.

4. the insulating frame structure of motor stator as claimed in claim 1 is characterized in that, described first flange along the first extension board both sides constitutes one first holding tank.