CN2912091Y - 3-slot d.c. iron core microdynamo having square and round shapes - Google Patents
3-slot d.c. iron core microdynamo having square and round shapes Download PDFInfo
- Publication number
- CN2912091Y CN2912091Y CN 200620017152 CN200620017152U CN2912091Y CN 2912091 Y CN2912091 Y CN 2912091Y CN 200620017152 CN200620017152 CN 200620017152 CN 200620017152 U CN200620017152 U CN 200620017152U CN 2912091 Y CN2912091 Y CN 2912091Y
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- iron core
- direct current
- brush
- flute
- main shaft
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Abstract
The utility model discloses an electrical micro machine of rectangle shape with a three-grooved direct-current iron core, which comprises a bell-jar stator set with an opening end, a rotor set which is arranged in the inner chamber of the stator set. An end cover set sealed at the opening end of the stator set. The rotor set comprises a main shaft which is arranged coaxial with the stator set, an iron core arranged on the main shaft, a coil twisting around the iron core, a reversing apparatus which is arranged on the main shaft and is near the opening end of the stator set. The end cover set comprises an end cover, a roller bearing, a pair of electrical brushes which are oppositely arranged in the inside of the end cover and is in radial offset with the stator set and the reversing apparatus. The reversing apparatus is arranged along the axial cord of the main shaft. The electrical brush is five-bifurcated type electrical brushed. The utility model has a compact structure, a low weight, a high efficiency, and can work normally at high speed and high current.
Description
Technical field
The utility model relates to electrical micro-machine, specifically refers to a kind of square circular three-flute direct current iron core electrical micro-machine that can safe operation under the operating mode of higher rotation speed, big electric current.
Background technology
All the time, direct current iron core electrical micro-machine is widely used in camera, video camera, computer peripheral and electronic toy.General electrical micro-machine shell is a bell jar shape square circular, and ferrite that its inner basic structure is tile shape and motor housing constitute the stator of the widely different road of magnetic as motor; The support of iron core, insulation dististyle, coil and commutator and piezo-resistance constitute the rotor of motor, and coil and iron core are installed by the insulation dististyle; End-cap assembly is installed on motor housing one end, and brush contacts with the face of cylinder of commutator.The shortcoming of this motor is: only be applicable to the product than the slow-speed of revolution, little current DC iron core electrical micro-machine; Under the situation of higher rotation speed, big electric current, electric spark, the more serious situation of galvano-cautery will occur, thereby influence the useful life of electrical micro-machine.
The utility model content
The purpose of this utility model is that a kind of adaptive capacity is strong, the square circular direct current iron core electrical micro-machine of long service life and provide for the technical problem that direct current iron core electrical micro-machine can not be worked under the situation of higher rotation speed, big electric current, useful life is short that solves prior art.
For addressing the above problem, the technical solution of the utility model is a kind of square circular three-flute direct current iron core electrical micro-machine of structure, it comprise an end opening bell jar shape stator pack, be located at rotor set in this stator pack inner chamber, be packaged in the end cap group of stator pack openend.Rotor set comprises: with the main shaft of the coaxial setting of stator pack, be located at iron core on this main shaft, be wrapped in coil on the iron core, be located on the main shaft commutator near described stator pack openend.The end cap group comprises: a pair of brush that end cap, axis of a cylinder held, were relatively arranged on the end cap inboard and radially compress with described commutator.The working face of described commutator pole piece working face lengthening, commutator and brush contact site is widened, and arranges along main-shaft axis; Described brush is five bifurcated brushes.
Preferred embodiment of the present utility model, described iron core is made of one group of punching, and the inner surface of this punching and outer surface unshakable in one's determination are provided with the heat-resisting coat of an insulation.
Wherein, described stator pack comprises bell jar shape casing, is located at the tile shape magnet of casing inner wall and the T profile shaft at casing top holds.
The pole piece of described commutator can be made by the compound oxygenless copper material of AgCuNi.
Described brush can be made by compound silver-colored palladium packfong material.
The brush sheet outside of described brush also is provided with amortisseur bar.
Described magnet is the ndfeb magnet of high magnetic energy.
Compared with prior art, the utility model is provided with a coat on the outer surface of iron core and punching inner surface, substitutes the insulation dististyle, stopped to cause the electrical micro-machine heating under high rotating speed in the use, the big current conditions, so that the dististyle thawing situation that insulate occurs; In addition, brush is brushed sheet be improved to five bifurcateds brushes sheet, the working face of commutator working face lengthening, commutator and brush contact site is widened, and causes that current density reduces on the brush plate, overcurrent capability is strengthened, so that this motor can normal operation under the situation of higher rotation speed, high current.The utility model profile adopts the square circular structure, and location and installation is very easy, and compact conformation, volume are little, in light weight.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described, wherein:
Fig. 1 is an assembling schematic diagram of the present utility model;
Fig. 2 is the schematic diagram that partly cuts open of the present utility model;
Fig. 3 is the front view of the utility model brush;
Fig. 4 is the end view of Fig. 3;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the structural representation of the utility model end cap.
Embodiment
Shown in Fig. 1,2 basic structure of the utility model preferred embodiment, described square circular three-flute direct current iron core electrical micro-machine, it comprises stator pack, rotor set and end cap group.Rotor set is located at the inside of the bell jar shape housing that stator pack and end cap combine.Stator pack comprises: bell jar shape casing 15, the T profile shaft of being located at the tile shape magnet 16 of casing inner wall and being located at the casing top hold 17.The casing configuration design becomes square circular, is convenient to location and installation.Described magnet 16 is made by the NdFeB material of high magnetic energy, and the magnet contrast made from existing Ferrite Material can make that motor volume is little, in light weight, efficient is high, torsion is big.Rotor set comprises: with the main shaft 1 of the coaxial setting of stator pack, repeatedly press iron core that punching 2 forms, be embedded in the coil 9 in this iron core by one group, be located at the main shaft lower end by noble metal, as the commutator 3 that the compound oxygenless copper material of AgCuNi is made, this commutator is arranged (consulting Fig. 1) along main-shaft axis.The inner surface of described punching 2 and the outer surface of iron core are provided with the heat-resisting epoxy insulation powder coat 8 of an insulation, and this coat can be stopped motor under the situation of high rotating speed, big current work, cause the overheated and situation of causing danger of electrical micro-machine.The end cap group comprises: seal the end cap 10 of described casing 15 openings, the axis of a cylinder of being located at the end cap middle inside holds 11, one end of main shaft 1 is set in axis of a cylinder holds, then rotor set just can be rotated in casing, and axis of a cylinder holds 11 lower ends and also is provided with an iron plate 12, can reduce the friction of main shaft to end cap.The end cap inner chamber body also is provided with the brush 13 (seeing also Fig. 6) of a pair of relative installation, it is five bifurcateds brush sheet (seeing also Fig. 3, Fig. 4, Fig. 5) that the brush sheet of brush is widened by the bifurcated of routine or three bifurcateds brush sheet, and the employing noble metal is made as compound silver-colored palladium packfong material.The brush sheet of brush contacts with the pole piece of commutator, and the working face of corresponding commutator is longer than the commutator of general requirements, commutator is widened with the working face of brush contact site, and current density reduces on the brush plate to cause, the overcurrent capability reinforcement.The upper end of main shaft 1 is provided with successively adjusts packing ring 7, sleeve pipe 6, and sleeve pipe plays position-limiting action, guarantees the end play of motor; Adjust packing ring and act as the end play of adjusting motor.The below of main shaft punching 2 is provided with the spark that can be used for electrical micro-machine, the elimination of electromagnetic interference and the piezo-resistance 4 and the oil baffle 5 of noise absorption.
As shown in Figure 6, two brushes 13 are symmetrically set in end cap 10 inner chamber body axiss of a cylinder and hold 11 both sides, and brush 13 brush sheets are provided with amortisseur bar 14, and this amortisseur bar can play vibration damping and reduce function of noise.In order to reduce friction, described oil baffle 5, adjustment packing ring 7 usefulness mylar materials are made.
The utility model is broken the normal procedure, with circumference face diameter at 10～15mm, height at the employed brush of square circular direct current iron core electrical micro-machine of 15～30mm scope two or three brushes by routine, widen and be improved to five bifurcateds brush, the working face of commutator working face lengthening, commutator and brush contact site is widened, cause that current density reduces on the brush plate, overcurrent capability is strengthened; In addition, coat is set, stops to cause under in use high rotating speed, the big current conditions that the motor feels hot, electric spark and galvano-cautery at the outer surface of rotor core and the inner surface of punching; Magnet is that the high energy product NdFeB material is made, and makes the magnet contrast with Ferrite Material before, makes that motor volume is little, in light weight, efficient is high, torsion is big.The utility model motor profile adopts the square circular structure, and location and installation is very easy, and compact conformation, volume are little, in light weight.
Claims (7)
1, a kind of square circular three-flute direct current iron core electrical micro-machine, comprise an end opening bell jar shape stator pack, be located at rotor set in this stator pack inner chamber, be packaged in the end cap group of stator pack openend; Described rotor set comprises: with the main shaft of the coaxial setting of stator pack, be located at iron core on this main shaft, be wrapped in coil on the iron core, be located on the main shaft commutator near described stator pack openend; Described end cap group comprise end cap, axis of a cylinder hold, be relatively arranged on end cap inboard and with a pair of brush that described commutator radially compresses, it is characterized in that: described commutator is arranged along main-shaft axis; Described brush is five bifurcated brushes.
2, square circular three-flute direct current iron core electrical micro-machine according to claim 1, it is characterized in that: described iron core is made of one group of punching, and the inner surface of this punching and outer surface unshakable in one's determination are provided with the heat-resisting coat of an insulation.
3, square circular three-flute direct current iron core electrical micro-machine according to claim 2 is characterized in that: the brush sheet outside of described brush is provided with amortisseur bar.
4, square circular three-flute direct current iron core electrical micro-machine according to claim 3 is characterized in that: described stator pack comprises bell jar shape casing, be located at the tile shape magnet of casing inner wall and the T profile shaft at casing top holds.
5, square circular three-flute direct current iron core electrical micro-machine according to claim 4, it is characterized in that: described magnet is the ndfeb magnet of high magnetic energy.
6, square circular three-flute direct current iron core electrical micro-machine according to claim 5 is characterized in that: the pole piece of described commutator is made by the compound oxygenless copper material of AgCuNi.
7, square circular three-flute direct current iron core electrical micro-machine according to claim 6, it is characterized in that: described brush is made by compound silver-colored palladium packfong material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620017152 CN2912091Y (en) | 2006-05-25 | 2006-05-25 | 3-slot d.c. iron core microdynamo having square and round shapes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620017152 CN2912091Y (en) | 2006-05-25 | 2006-05-25 | 3-slot d.c. iron core microdynamo having square and round shapes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2912091Y true CN2912091Y (en) | 2007-06-13 |
Family
ID=38133955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620017152 Expired - Lifetime CN2912091Y (en) | 2006-05-25 | 2006-05-25 | 3-slot d.c. iron core microdynamo having square and round shapes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2912091Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103731001A (en) * | 2012-10-15 | 2014-04-16 | 东莞市吉铼升电机有限公司 | Direct-current coreless motor used for driving model airplane |
| CN108347147A (en) * | 2018-02-11 | 2018-07-31 | 金卡智能集团股份有限公司 | A kind of etch-proof brush direct current motor and flow-meter |
| CN108390480A (en) * | 2017-10-09 | 2018-08-10 | 深圳市积达电机有限公司 | A kind of miniature Low emissivity d.c. motor |
| CN108494209A (en) * | 2018-04-24 | 2018-09-04 | 深圳市精锐昌科技有限公司 | A kind of long-life minitype speed reducing motor |
| CN108712017A (en) * | 2018-06-29 | 2018-10-26 | 江苏马步崎电机制造有限公司 | A kind of heat dissipation type Oblate three-groove DC iron core micromotor |
-
2006
- 2006-05-25 CN CN 200620017152 patent/CN2912091Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103731001A (en) * | 2012-10-15 | 2014-04-16 | 东莞市吉铼升电机有限公司 | Direct-current coreless motor used for driving model airplane |
| CN108390480A (en) * | 2017-10-09 | 2018-08-10 | 深圳市积达电机有限公司 | A kind of miniature Low emissivity d.c. motor |
| CN108347147A (en) * | 2018-02-11 | 2018-07-31 | 金卡智能集团股份有限公司 | A kind of etch-proof brush direct current motor and flow-meter |
| CN108494209A (en) * | 2018-04-24 | 2018-09-04 | 深圳市精锐昌科技有限公司 | A kind of long-life minitype speed reducing motor |
| CN108712017A (en) * | 2018-06-29 | 2018-10-26 | 江苏马步崎电机制造有限公司 | A kind of heat dissipation type Oblate three-groove DC iron core micromotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING CANGXINGDA TECHNOLOGY CO., LTD. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100528 Address after: 518000, Shenzhen, Guangdong, Futian District, Tian An City Digital Science and Technology Pioneer Park A block, room 701 Co-patentee after: Chongqing Constar Technology Co., Ltd. Patentee after: Shenzhen Cangxingda Technology Co., Ltd. Address before: 518000, Shenzhen, Guangdong, Futian District, Tian An City Digital Science and Technology Pioneer Park A block, room 701 Patentee before: Shenzhen Cangxingda Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070613 |
|
| EXPY | Termination of patent right or utility model |