CN204271762U - A kind of automobile generator claw pole - Google Patents
A kind of automobile generator claw pole Download PDFInfo
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- CN204271762U CN204271762U CN201420757635.1U CN201420757635U CN204271762U CN 204271762 U CN204271762 U CN 204271762U CN 201420757635 U CN201420757635 U CN 201420757635U CN 204271762 U CN204271762 U CN 204271762U
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- base plate
- yoke
- pawl
- claw pole
- magnetic muscle
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Abstract
The utility model provides a kind of automobile generator claw pole, belongs to automobile current generator technical field.The wall thickness it solving the magnetic muscle of existing pawl pole placement magnet differs, consistency is poor, causes the problems such as generating efficiency is low.This automobile generator claw pole comprises base plate, the uniform perpendicular pawl in edge of base plate, the middle of base plate is also provided with yoke, base plate and yoke are integral structures, perpendicular pawl and yoke are positioned at the same side of base plate, the center of yoke has mesopore, and mesopore runs through yoke and base plate, the medial surface of perpendicular pawl left and right sides and close yoke is all obliquely installed, the size in perpendicular pawl bottom transverse cross section is greater than the size of top cross-sectional, the both sides of perpendicular pawl lateral surface all have the magnetic muscle be obliquely installed, magnetic muscle protrudes from the left and right sides of perpendicular pawl, magnetic muscle and perpendicular pawl are integral structures, the both sides of perpendicular pawl all have a location notch, location notch is arranged in base plate.It is high that this automobile generator claw pole has precision, long service life and make the advantages such as the power generation performance of generator is good.
Description
Technical field
The utility model belongs to automobile current generator technical field, relates to a kind of automobile generator claw pole.
Background technology
Along with the development of society, the raising of people's living standard, automobile becomes the main walking-replacing tool of people's trip gradually, the requirement of people to car comfort is also more and more higher, existing automobile generally adopts the electric elements such as air-conditioning, automatically controlled vehicle window, electronic barbed chair, power consumption sharply rises, also more and more higher to the requirement of generator power, for this reason, people utility model claw pole electric generator, mosaic magnet between pawl pole before and after generator, greatly increases the magnetic property of pawl pole, thus greatly increases power output and the efficiency of generator.
Existing generator claw pole processing technology, such as Chinese patent literature data discloses the processing technology [application number: 201210145579.1 of hybrid excitation generator pawl pole; Application publication number: CN103386586A], its processing step is by a, hot finish forge or warm forging manufacture technics pawl pole blank; B, magnetic annealing; C, cold-finish: the yoke periphery of cold-finish pawl pole, baseplane, interior inclined-plane and pawl pole periphery, pawl side is erected in cold-finish simultaneously; D, brill endoporus; E, right boring endoporus; F, car yoke end face; The magnet standing groove of pawl two sides is erected in g, milling: with endoporus and in a positioning spline location, hydraulic compression yoke end face, adopt the mode installing numerical control turntable in three axis machining in the heart additional, after processing a bar magnet standing groove, panoramic table turns over certain angle, then Article 2 magnet standing groove is processed, until all magnet standing groove process finishing, make finished product.
Use this kind of processes pawl pole out, magnet standing groove is positioned at the top of baseplane, magnet standing groove is comparatively short and small near the madial wall of yoke, and top is thinner, easily crumbles, magnet standing groove fixed magnet weak effect, easily cause pawl pole to be scrapped, and milling cutter mills out the size of magnet standing groove come and there is the problem varied in size, namely consistency is poor, it is poor that magnet is installed to rear stability in this magnet standing groove, and generating efficiency is low.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, provides a kind of automobile generator claw pole, and this automobile generator claw pole precision is high, long service life, makes the power generation performance of claw pole electric generator good.
The purpose of this utility model realizes by following technical proposal: a kind of automobile generator claw pole, comprise base plate, the edge of described base plate is evenly equipped with six or eight perpendicular pawls, the middle of described base plate is also provided with yoke, described base plate and yoke are integral structures, described perpendicular pawl and yoke are positioned at the same side of base plate, the center of described yoke has mesopore, and mesopore runs through yoke and base plate, it is characterized in that, the medial surface of described perpendicular pawl left and right sides and close yoke is all obliquely installed, the size in described perpendicular pawl bottom transverse cross section is greater than the size of top cross-sectional, the both sides of described perpendicular pawl lateral surface all have the magnetic muscle be obliquely installed, described magnetic muscle protrudes from the left and right sides of perpendicular pawl, described magnetic muscle and perpendicular pawl are integral structures, the both sides of described perpendicular pawl all have a location notch, described location notch is arranged in base plate.
Location notch passes through die casting, forging molding, location notch is arranged in base plate, embed in the soleplate, namely each sidewall firmness of location notch is high, can not damage, and the shape of location notch, consistent size, magnetic muscle is obliquely installed, match with the left and right sides of perpendicular pawl, magnetic muscle is cold extrusion shaped by twice, consistent size, uniform wall thickness, the bottom of magnet is inserted and is arranged in location notch, location notch plays the effect of location to magnet, the side of magnet is resisted against on magnetic muscle, due to location notch, the dimensional accuracy of magnetic muscle is high, the firmness that magnet is installed is high, can not come off, long service life, generating efficiency is high.
In above-mentioned a kind of automobile generator claw pole, described magnetic muscle is strip.Magnetic muscle is that strip and the magnet contact area of fitting is larger, and the stability after magnet is installed is higher.
In above-mentioned a kind of automobile generator claw pole, the thickness of described magnetic muscle is 0.5-2mm, and width is 1.5-2.5mm, and length is 20-30mm.The size of magnetic muscle is arranged according to actual conditions, the Width of magnetic muscle is the direction of perpendicular pawl lateral surface both sides extension to the left and right, the width of magnetic muscle is generally decided to be 2mm, the height of magnetic muscle be the perpendicular pawl left and right sides bottom perpendicular pawl, the direction that extends, top, the thickness of magnetic muscle and height are selected according to the shape of magnetic muscle, size.
In above-mentioned a kind of automobile generator claw pole, the lateral surface of described magnetic muscle and medial surface are all in plane, and the end face of described magnetic muscle is cambered surface.Medial surface is plane, and the area that magnetic muscle and magnet are fitted is large, and firmness is high.
In above-mentioned a kind of automobile generator claw pole, the top of described magnetic muscle is curved, and the top of described magnetic muscle and the top of perpendicular pawl seamlessly transit.Seamlessly transit and make claw-pole structure attractive in appearance, and seamlessly transit and make pawl pole when cold extrusion shaped, need less pressure to machine, easy to process.
In above-mentioned a kind of automobile generator claw pole, the base plate between described adjacent two magnetic muscle has arc groove.Arc groove plays the effect of transition.
In above-mentioned a kind of automobile generator claw pole, the peripheral edge of described yoke, along being evenly equipped with six or eight drainage troughs, described base plate has the extraction wire casing consistent with drainage trough quantity, and described drainage trough is connected with arc groove by drawing wire casing.Drainage trough, extraction wire casing are all installed for magnet exciting coil, are passed through.
As another kind of situation, in above-mentioned a kind of automobile generator claw pole, the peripheral edge of described yoke is along being evenly equipped with four or six drainage troughs and two positioning splines, two described positioning splines are symmetrical arranged centered by base plate, and described drainage trough is connected with arc groove by extraction wire casing or positioning spline.Positioning spline is used for location when the fine finishining of pawl pole, and the firmness that pawl pole is installed is high.
In above-mentioned a kind of automobile generator claw pole, described yoke is evenly equipped with six or eight coil anti-rotations projections near the circumferential edge of base plate, the bottom centre of described coil anti-rotation projection and perpendicular pawl is just to setting.Coil anti-rotation projection plays fixing effect to the magnet exciting coil be wrapped in outside yoke, and when preventing generator operation, magnet exciting coil departs from yoke and rotates separately.
Compared with prior art, the automobile generator claw pole that the utility model provides has the following advantages:
1, the magnetic muscle of this automobile generator claw pole is by cold extrusion post forming, the consistent size of magnetic muscle, uniform wall thickness, and on the magnet medial surface being fitted in magnetic muscle tightly, the firmness of laminating is high, and magnet can not come off, and generating efficiency is good.
2, the magnetic muscle of this automobile generator claw pole is connected in the both sides of perpendicular pawl, in base plate, forging has location notch, location notch is in the soleplate embedding, and the consistency of location notch is good, and not fragile, the quantity of location notch is consistent with the quantity of magnetic muscle, and location notch is connected with the madial wall of magnetic muscle near yoke away from the sidewall of yoke, location notch and magnetic muscle match, and can improve the installation firmness of magnet, the good stability of magnet, claw pole electric generator generating efficiency is high.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of this automobile generator claw pole.
Fig. 2 is the partial sectional view of this automobile generator claw pole.
Fig. 3 be this automobile generator claw pole Fig. 2 A-A to cutaway view.
Fig. 4 be this automobile generator claw pole Fig. 2 B-B to cutaway view.
Fig. 5 is the vertical view of this automobile generator claw pole embodiment one.
Fig. 6 is the vertical view of this automobile generator claw pole embodiment two.
In figure, 1, base plate; 2, perpendicular pawl; 3, yoke; 4, mesopore; 5, magnetic muscle; 6, location notch; 7, arc groove; 8, drainage trough; 9, wire casing is drawn; 10, positioning spline; 11, coil anti-rotation is protruding.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
As shown in Figure 1, this automobile generator claw pole comprises base plate 1, yoke 3, perpendicular pawl 2, magnetic muscle 5 and location notch 6.
In the present embodiment, the number of perpendicular pawl 2 is six, in actual production, the number of perpendicular pawl 2 can be eight, and perpendicular pawl 2 is uniformly distributed in the edge of base plate 1, and yoke 3 is positioned at the middle of base plate 1 side, base plate 1 and yoke 3 are integral structures, and yoke 3, perpendicular pawl 2 are positioned at the same side of base plate 1, the center of yoke 3 has mesopore 4, and mesopore 4 runs through yoke 3 and base plate 1.The medial surface of perpendicular pawl 2 left and right sides and close yoke 3 is all obliquely installed, and as shown in Figure 2, Figure 3, Figure 4, the size in perpendicular pawl 2 bottom transverse cross section is greater than the size of top cross-sectional, and namely large bottom perpendicular pawl 2, top is little, in tip-angled shape.The both sides of perpendicular pawl 2 lateral surface all have the magnetic muscle 5 be obliquely installed, and magnetic muscle 5 protrudes from the left and right sides of perpendicular pawl 2, and magnetic muscle 5 and perpendicular pawl 2 are integral structures, and magnetic muscle 5 is in strip, and the angle that magnetic muscle 5 tilts is consistent with the angle of perpendicular pawl 2 left and right sides face tilt.In the present embodiment, the thickness of magnetic muscle 5 is 1mm, and width is 2mm, be highly 25mm, in actual production, according to the size of pawl pole, perpendicular pawl 2, the thickness of magnetic muscle 5 can be 0.5mm or 2mm, and width can be 1.5mm or 2.5mm, can be highly 20mm or 30mm.As shown in Figure 3, Figure 4, the lateral surface of magnetic muscle 5 and medial surface are all in plane, and the end face of magnetic muscle 5 is cambered surface, and the top of magnetic muscle 5 is curved, and the top of magnetic muscle 5 and the top of perpendicular pawl 2 seamlessly transit.The both sides of perpendicular pawl 2 all have a location notch 6, and location notch 6 is arranged in base plate 1, forge and form together with base plate 1, yoke 3, perpendicular pawl 2, location notch 6 is not fragile, one end of magnet is embedded in location notch 6, and the side of magnet and the medial surface of magnetic muscle 5 fit, because the precision of location notch 6, magnetic muscle 5 is high, good product consistency, therefore, the firmness after magnet installation is high, good stability, magnet can not come off, offset initial position, makes claw pole electric generator generating efficiency high.As shown in Figure 5, base plate 1 between adjacent two magnetic muscle 5 has arc groove 7, the peripheral edge of yoke 3, along being evenly equipped with six drainage troughs 8, base plate 1 has the extraction wire casing 9 consistent with drainage trough 8 quantity, and drainage trough 8 is connected with arc groove 7 by drawing wire casing 9.Yoke 3 is evenly equipped with six coil anti-rotation projections 11 near the circumferential edge of base plate 1, and the bottom centre of coil anti-rotation protruding 11 and perpendicular pawl 2 is just to setting.
Embodiment two
As shown in Figure 6, a kind of substantially identical of the structure of the present embodiment and embodiment, different places is, in the present embodiment, the peripheral edge edge of yoke 3 is evenly equipped with four drainage troughs 8 and two positioning splines, 10, two positioning splines 10 are symmetrical arranged centered by base plate 1, and positioning spline 10 positions pawl pole for convenient during fine finishining, drainage trough 8 is connected with arc groove 7 by extraction wire casing 9 or positioning spline 10, and the structure of the present embodiment does not exist coil anti-rotation projection 11.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ base plate 1, perpendicular pawl 2, yoke 3, mesopore 4, magnetic muscle 5, location notch 6, arc groove 7, drainage trough 8 herein, draw the terms such as wire casing 9, positioning spline 10, coil anti-rotation projection 11, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (9)
1. an automobile generator claw pole, comprise base plate (1), the edge of described base plate (1) is evenly equipped with six or eight perpendicular pawls (2), the middle of described base plate (1) is also provided with yoke (3), described base plate (1) and yoke (3) are integral structures, described perpendicular pawl (2) and yoke (3) are positioned at the same side of base plate (1), the center of described yoke (3) has mesopore (4), and mesopore (4) runs through yoke (3) and base plate (1), it is characterized in that, the medial surface of described perpendicular pawl (2) left and right sides and close yoke (3) is all obliquely installed, the size in described perpendicular pawl (2) bottom transverse cross section is greater than the size of top cross-sectional, the both sides of described perpendicular pawl (2) lateral surface all have the magnetic muscle (5) be obliquely installed, described magnetic muscle (5) protrudes from the left and right sides of perpendicular pawl (2), described magnetic muscle (5) and perpendicular pawl (2) are integral structures, the both sides of described perpendicular pawl (2) all have a location notch (6), described location notch (6) is arranged in base plate (1).
2. a kind of automobile generator claw pole according to claim 1, is characterized in that, described magnetic muscle (5) is in strip.
3. a kind of automobile generator claw pole according to claim 2, is characterized in that, the thickness of described magnetic muscle (5) is 0.5-2mm, and width is 1.5-2.5mm, and length is 20-30mm.
4. a kind of automobile generator claw pole according to claim 1 or 2 or 3, is characterized in that, the lateral surface of described magnetic muscle (5) and medial surface are all in plane, and the end face of described magnetic muscle (5) is cambered surface.
5. a kind of automobile generator claw pole according to claim 1 or 2 or 3, is characterized in that, the top of described magnetic muscle (5) is curved, and the top of described magnetic muscle (5) and the top of perpendicular pawl (2) seamlessly transit.
6. a kind of automobile generator claw pole according to claim 1 or 2 or 3, is characterized in that, the base plate (1) between described adjacent two magnetic muscle (5) has arc groove (7).
7. a kind of automobile generator claw pole according to claim 6, it is characterized in that, the peripheral edge of described yoke (3) is along being evenly equipped with six or eight arc drainage troughs (8), described base plate (1) has the extraction wire casing (9) consistent with arc drainage trough (8) quantity, described arc drainage trough (8) is connected with arc groove (7) by drawing wire casing (9).
8. a kind of automobile generator claw pole according to claim 6, it is characterized in that, the peripheral edge of described yoke (3) is along being evenly equipped with four or six arc drainage troughs (8) and two positioning splines (10), two described positioning splines (10) are symmetrical arranged centered by base plate (1), and described arc drainage trough (8) is connected with arc groove (7) by extraction wire casing (9) or positioning spline (10).
9. a kind of automobile generator claw pole according to claim 1 or 2 or 3, it is characterized in that, described yoke (3) is evenly equipped with six or eight coil anti-rotation projections (11) near the circumferential edge of base plate (1), and the bottom centre of described coil anti-rotation projection (11) and perpendicular pawl (2) is just to setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420757635.1U CN204271762U (en) | 2014-12-04 | 2014-12-04 | A kind of automobile generator claw pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420757635.1U CN204271762U (en) | 2014-12-04 | 2014-12-04 | A kind of automobile generator claw pole |
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| Publication Number | Publication Date |
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| CN204271762U true CN204271762U (en) | 2015-04-15 |
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| CN201420757635.1U Active CN204271762U (en) | 2014-12-04 | 2014-12-04 | A kind of automobile generator claw pole |
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| CN (1) | CN204271762U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493442A (en) * | 2014-12-04 | 2015-04-08 | 汪超 | Automobile generator claw pole and manufacturing process thereof |
| CN114766196A (en) * | 2022-05-25 | 2022-07-22 | 丁娟 | Whole-cane feeding machine |
| CN114766206A (en) * | 2022-05-25 | 2022-07-22 | 丁娟 | Scraper-conveyer collection vehicle |
-
2014
- 2014-12-04 CN CN201420757635.1U patent/CN204271762U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493442A (en) * | 2014-12-04 | 2015-04-08 | 汪超 | Automobile generator claw pole and manufacturing process thereof |
| CN114766196A (en) * | 2022-05-25 | 2022-07-22 | 丁娟 | Whole-cane feeding machine |
| CN114766206A (en) * | 2022-05-25 | 2022-07-22 | 丁娟 | Scraper-conveyer collection vehicle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170228 Address after: 318000 East Road, Jiaojiang District, Zhejiang, Taizhou, No. 1006 Patentee after: Taizhou Baida Electric Co.,Ltd Address before: 318000 Xueyuan Road, Jiaojiang, Zhejiang, No. 788, Patentee before: Wang Chao Patentee before: Taizhou Vocational & Technical College |