CN206611319U

CN206611319U - high-speed DC motor

Info

Publication number: CN206611319U
Application number: CN201720203223.7U
Authority: CN
Inventors: 方绍林; 吴先财; 贝国生
Original assignee: Electric Machine Co Ltd Is Preced With In Zhejiang Ten Thousand
Current assignee: Electric Machine Co Ltd Is Preced With In Zhejiang Ten Thousand
Priority date: 2017-03-03
Filing date: 2017-03-03
Publication date: 2017-11-03
Anticipated expiration: 2027-03-03

Abstract

The utility model discloses a kind of High-speed DC motor, including casing and the rotating shaft for being installed on casing center；Front end-plate, rotor core, end plate, fan blade, commutator and brush holder are disposed with the rotating shaft；Wherein, the front end-plate and end plate are located at the two ends of rotor core, and the fan blade and commutator are located between end plate and brush holder；A pair of magnet steel are symmetrically equipped with the casing, and for fixing the spring fork of magnet steel；The rotor core is wound by enamel-covered wire, and enamel-covered wire is fixed and insulated by slot wedge and rotor slot insulation part.High-speed DC motor of the present utility model, using rational layout, adds the stability of motor internal element, improves the high speed overload capacity of motor, when magnetic shoe and rotor core synchronously lengthening, using the teaching of the invention it is possible to provide large torque；Copper sheathing structure is used in the brush holder of motor, shake of the carbon brush under high velocity environment is reduced, the spark under motor load operation is reduced, extends motor service life.

Description

High-speed DC motor

Technical field

The utility model is related to DC motor technology field, more particularly to a kind of for soy bean milk making machine, cooking machine, dust catcher etc. The High-speed DC motor of electrical equipment.

Background technology

The structure of direct current generator should be made up of stator and rotor two large divisions.Actionless part when direct current generator is run Referred to as stator, the main function of stator is to produce magnetic field, by support, main pole, commutating pole, end cap, bearing and brushgear etc. Composition.The part rotated during operation referred to as rotor, its main function is to produce electromagnetic torque and induced electromotive force, is direct current generator The hinge of energy conversion is carried out, so also commonly known as armature, by rotating shaft, armature core, armature winding, commutator and fan etc. Composition.The direct current generator of prior art lacks the ability of stable output, therefore the torque in overload in the environment of high-speed rotation It can not be protected with rotating speed.

Utility model content

(1) technical problem to be solved

The purpose of this utility model seeks to overcome disadvantages mentioned above, it is desirable to provide a kind of High-speed DC motor.

(2) technical scheme

To reach above-mentioned purpose, High-speed DC motor of the present utility model, including casing and being installed on casing center Rotating shaft；Front end-plate, rotor core, end plate, fan blade, commutator and brush holder are disposed with the rotating shaft；

Wherein, the front end-plate and end plate are located at the two ends of rotor core, and the fan blade and commutator are located at end plate Between brush holder；

A pair of magnet steel are symmetrically equipped with the casing, and for fixing the spring fork of magnet steel；

The rotor core is wound by enamel-covered wire, and enamel-covered wire is consolidated by slot wedge and rotor slot insulation part Fixed and insulation；

Also include a rear end cap, clutch shaft bearing collar, the first wool felt are disposed between the brush holder and rear end cap With the first oiliness bearing；Wherein, clutch shaft bearing collar, the first wool felt and the first oiliness bearing are passed through by rotating shaft front end；

The end of the casing is disposed with second bearing collar, the second wool felt and the second oiliness bearing；Wherein Two bearing collars, the second wool felt and the second oiliness bearing are passed through by rotating shaft rear end.

Further, shield magnet ring is also socketed with outside the casing, the front end of the shield magnet ring is provided with silica gel ring.

Further, carbon brush and copper sheathing are provided with the brush holder, carbon brush is fixed on brush holder by the copper sheathing.

Further, it is additionally provided with lug plate terminal on the brush holder.

Further, in addition to lug plate terminal the female plug terminal being connected, the female plug terminal ends are lead.

Further, the casing length is 84 ± 2mm；Casing external diameter is 46 ± 0.5mm of φ, protect magnetosphere thickness 0.8~ 1.6mm, the copper sheathing size is wide 5.7 ± 0.2mm, high 6 ± 0.5mm.

(3) beneficial effect

Compared with prior art, the technical solution of the utility model has advantages below：Improve the high speed overload of motor Ability, when magnetic shoe and rotor core synchronously lengthening, using the teaching of the invention it is possible to provide large torque；Copper sheathing structure is used in the brush holder of motor, is reduced Shake of the carbon brush under high velocity environment, reduces the lower spark of motor load operation, extension motor service life.

Brief description of the drawings

Fig. 1 is the structural representation of High-speed DC motor of the present utility model.

Embodiment

With reference to the accompanying drawings and examples, embodiment of the present utility model is described in further detail.Below Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.

As shown in figure 1, High-speed DC motor of the present utility model, including casing 6 and turn for being installed on the center of casing 6 Axle 12；Front end-plate 9, rotor core 10, end plate 13, fan blade 14, commutator 15 and brush holder are disposed with the rotating shaft 12 16；

Wherein, the front end-plate 9 and end plate 13 are located at the two ends of rotor core 10, the fan blade 14 and commutator 15 Between end plate 13 and brush holder 16；

A pair of magnet steel 8 are symmetrically equipped with the casing 6, and for fixing the spring fork 7 of magnet steel 8；

The rotor core 10 is wound by enamel-covered wire 11, and by slot wedge 28 and rotor slot insulation part 27 to enamel-cover Line 11 is fixed and insulated；

Also include a rear end cap 21, clutch shaft bearing collar 18, the are disposed between the brush holder 16 and rear end cap 21 One wool felt 19 and the first oiliness bearing 20；Wherein, clutch shaft bearing collar 18, the first wool felt 19 and the first oiliness bearing 20 are equal Passed through by the front end of rotating shaft 12；

The end of the casing 6 is disposed with second bearing collar 4, the second wool felt 3 and the second oiliness bearing 5；Its Middle second bearing collar 4, the second wool felt 3 and the second oiliness bearing 5 are passed through by the rear end of rotating shaft 12.Profit is adsorbed with wool felt Lubricating oil, and be always that oiliness bearing provides enough lubricating abilities.

The casing 6 is outer to be also socketed with shield magnet ring 1, and the front end of the shield magnet ring 1 is provided with silica gel ring 2, improves anti-dry Disturb ability.

Carbon brush 24 and copper sheathing 25 are provided with the brush holder 16, carbon brush 24 is fixed on brush holder 16 by the copper sheathing 25.

Lug plate terminal 17,26 is additionally provided with the brush holder 16, wiring slice, thin piece is that carbon brush 24 is powered.

Also include the female plug terminal 22 being connected with lug plate terminal 17,26, the end of female plug terminal 22 is lead 23, for being powered to motor.

The length of casing 6 is 84 ± 2mm, and casing external diameter is 46 ± 0.5mm of φ, protects magnetosphere 0.8~1.6mm of thickness, institute The size of copper sheathing 25 is stated for wide 5.7 ± 0.2mm, high 6 ± 0.5mm.

High-speed DC motor of the present utility model, load speed utilizes rational cloth in 13500~16500RPM/min Office, adds the stability of motor internal element, improves the high speed overload capacity of motor, when magnetic shoe and rotor core synchronously plus When long, using the teaching of the invention it is possible to provide large torque；Copper sheathing structure is used in the brush holder of motor, shake of the carbon brush under high velocity environment is reduced, subtracts Spark under few motor load operation, extends motor service life.

In summary, above-mentioned embodiment is not restricted embodiment of the present utility model, the technology of all this areas Modification or equivalent deformation that personnel are carried out on the basis of substantive content of the present utility model, in skill of the present utility model Art category.

Claims

1. a kind of High-speed DC motor, it is characterised in that：Including casing and be installed on casing center rotating shaft；In the rotating shaft It is disposed with front end-plate, rotor core, end plate, fan blade, commutator and brush holder；

Wherein, the front end-plate and end plate are located at the two ends of rotor core, and the fan blade and commutator are located at end plate and brush Between frame；

The rotor core is wound by enamel-covered wire, and enamel-covered wire is fixed by slot wedge and rotor slot insulation part and Insulation；

Also include a rear end cap, clutch shaft bearing collar, the first wool felt and the are disposed between the brush holder and rear end cap One oiliness bearing；Wherein, clutch shaft bearing collar, the first wool felt and the first oiliness bearing are passed through by rotating shaft front end；

The end of the casing is disposed with second bearing collar, the second wool felt and the second oiliness bearing；Wherein the second axle Collar, the second wool felt and the second oiliness bearing is held to be passed through by rotating shaft rear end.

2. High-speed DC motor as claimed in claim 1, it is characterised in that：Shield magnet ring is also socketed with outside the casing, it is described The front end of shield magnet ring is provided with silica gel ring.

3. High-speed DC motor as claimed in claim 2, it is characterised in that：Carbon brush and copper sheathing, institute are provided with the brush holder State copper sheathing carbon brush is fixed on brush holder.

4. High-speed DC motor as claimed in claim 3, it is characterised in that：Lug plate terminal is additionally provided with the brush holder.

5. High-speed DC motor as claimed in claim 4, it is characterised in that：Also include the mother being connected with lug plate terminal Insertion terminal, the female plug terminal ends are lead.

6. High-speed DC motor as claimed in claim 5, it is characterised in that：The casing length is 84 ± 2mm；Casing external diameter For 46 ± 0.5mm of φ, 0.8~1.6mm of magnetosphere thickness is protected, the copper sheathing size is wide 5.7 ± 0.2mm, high 6 ± 0.5mm.