CN208241534U - A kind of motor - Google Patents

Abstract

The utility model discloses a kind of motors, the motor includes motor shaft, the rotor being fixedly mounted on motor shaft, the casing being sleeved on outside rotor, the magnet steel being fixedly mounted in casing, the commutator being fixedly mounted on motor shaft, and it is sleeved on the brush bracket device outside commutator, brush bracket device is fixedly mounted on casing, and the both ends of casing pass through bearing support on motor shaft；Rotor includes enameled wire and the iron core that is fixedly set on motor shaft, offers several winding slots on iron core, enameled wire is wrapped in winding slot；Brush bracket device includes brush holder and the carbon brush that is mounted in brush holder, and the carbon brush hole of installation carbon brush is offered on brush holder, and carbon brush stretches out outside carbon brush hole and is resisted against commutator outer surface；Casing includes shell open at one end and the end cap for being fixedly mounted on open end, and brush holder is fixedly mounted on end cap.The utility model motor volume is small, power is big, revolving speed is high, good crushing effect.

Description

A kind of motor

Technical field

The utility model relates to a kind of technical field of motors.

Background technique

Cup is articles indispensable in people's daily life, and fresh fruit juice early has become in people's life not The beverage that can lack, people are when study and work is travelled, if it is desired to drink fresh fruit juice, must just arrive the field of juice extractor It is bought, it is special inconvenient, and if the place of power supply is difficult to obtain one glass of fresh fruit juice beverage outdoors or not Material, it is inconvenient.Squeezing cup is a kind of cup that fruit can be squeezed into fruit juice.Squeezing cup includes cup body and is mounted on the cup Cup holder below body is equipped with motor on the cup holder, and the motor shaft of the motor is pierced by outside cup holder and protrudes into cup body, and is equipped with and stirs Leaf is mixed, to realize the juicing of fruit juice.But existing motor generallys use low voltage motor, the volume of this motor is big, causes electricity The volume of dynamic squeezing cup is big, benefit inconvenient to carry, and haves the shortcomings that power is low, crushing effect is poor.

Summary of the invention

(1) technical problems to be solved

The technical problem to be solved by the present invention is to provide it is a kind of it is small in size, power is big, revolving speed is high and good crushing effect Motor.

(2) technical solution

In order to solve the above technical problems, the utility model provides a kind of motor, which includes motor shaft, is fixedly mounted on Rotor on motor shaft, the magnet steel being fixedly mounted in casing, is fixedly mounted on motor shaft the casing being sleeved on outside rotor Commutator, and the brush bracket device being sleeved on outside commutator, brush bracket device are fixedly mounted on casing, and the both ends of casing pass through Bearing support is on motor shaft；

Rotor includes enameled wire and the iron core that is fixedly set on motor shaft, offers several winding slots on iron core, Enameled wire is wrapped in winding slot；

Brush bracket device includes brush holder and the carbon brush that is mounted in brush holder, and the carbon brush hole of installation carbon brush is offered on brush holder, Carbon brush stretches out outside carbon brush hole and is resisted against commutator outer surface；

Casing includes shell open at one end and the end cap for being fixedly mounted on open end, and brush holder is fixedly mounted on end cap On.

Wherein, magnet steel is two pieces, and two blocks of magnet steel are evenly distributed on casing inner wall.

Wherein, between two blocks of magnet steel there are gap, U-shaped spring is installed in gap, two elastic slices of U-shaped spring are born against In two blocks of magnet steel.

Wherein, magnetosphere is installed outside casing.

Wherein, groove paper is mounted in each winding slot.

Wherein, iron core includes the insulating end plate that core and two are separately mounted to core both ends, on the periphery of core uniformly Offer several the first winding slots, offer that several match with the first winding slot on the periphery of insulating end plate second around Second winding slot at wire casing, the first winding slot and both ends is combined into winding slot.

Wherein, the rear end of iron core is pressed with fan blade.

(3) beneficial effect

Compared with prior art, enameled wire is mounted on rotor core by the utility model, and magnet steel is fixedly mounted on machine Shell inner wall reduces motor volume, and increases magnetosphere outside casing, to enhance magnetic conduction, prevents leakage field, reduces magnetic resistance；The electricity Machine is widely used in portable electric squeezing cup, soy bean milk making machine etc..

Detailed description of the invention

Fig. 1 is the schematic perspective view of the utility model motor.

Fig. 2 is that Fig. 1 the utility model motor removes the schematic perspective view after casing.

Fig. 3 is the structural schematic diagram of the rotor of the utility model motor.

Fig. 4 is the structural schematic diagram of the brush bracket device of the utility model motor.

In figure, 1- motor shaft；2- iron core；3- casing；4- magnet steel；5-U type spring；6- magnetosphere；7- fan blade；8- commutator； 10- bearing；21- core；22- end plate；23- groove paper；The first winding slot of 211-；The second winding slot of 221-；31- shell；The end 32- Lid；91- brush holder；92- carbon brush；911- carbon brush hole.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment cannot be used to limit the scope of the utility model for illustrating the utility model.

The structural schematic diagram of the utility model motor is as depicted in figs. 1 and 2, which includes motor shaft 1, is fixedly mounted on Rotor on motor shaft 1, the magnet steel 4 being fixedly mounted in casing 3, is fixedly mounted on motor shaft at the casing 3 being sleeved on outside rotor Commutator 8 on 1, and the brush bracket device being sleeved on outside commutator 8, brush bracket device are fixedly mounted on casing 3, casing 3 Both ends pass through bearing 10 and are supported on motor shaft 1；The rotor includes enameled wire (not shown) and is fixedly set in electricity Iron core 2 on arbor 1 offers several winding slots on iron core 2, and enameled wire is wrapped in winding slot, as shown in Figure 3；The brush Rack device is as shown in Figure 4 comprising brush holder 91 and the carbon brush 92 being mounted in brush holder 91 offer installation carbon brush on brush holder 91 92 carbon brush hole 911, carbon brush 92 stretch out outside carbon brush hole 911 and are resisted against 8 outer surface of commutator, as shown in Figure 4；The casing 3 packet The end cap 32 for including shell 31 open at one end and being fixedly mounted on open end, brush holder 91 are fixedly mounted on end cap 32.This reality Enameled wire is mounted on rotor core with novel, magnet steel is fixedly mounted on casing inner wall, reduces motor volume, and fit extensively For portable electric squeezing cup, soy bean milk making machine etc..Wherein, it is preferred that iron core uses big 10 slot chip of outer diameter, offers on chip 10 winding slots.

Above-mentioned magnet steel 4 is two pieces, and two blocks of magnet steel 4 are evenly distributed on 3 inner wall of casing and are glued in casing by glue Wall；There are gap between two blocks of magnet steel 4, U-shaped spring 5 is installed in gap, two elastic slices of U-shaped spring 5 are born against in two pieces Magnet steel 4 fastens magnet steel, prevents magnet steel from loosening, being detached from, and magnet steel generation is avoided to move radially.

Spring (not shown) is also equipped in above-mentioned carbon brush hole 911, one end of the spring is resisted against 911 bottom of carbon brush hole Portion, the other end are resisted against carbon brush, and after carbon brush abrasion, the carbon brush is past overhanging under the restoring force effect of spring, fit in commutation Device makes carbon brush fit in commutator always, guarantees the normal use of motor.

Above-mentioned bearing 10 is spherical bearing, is convenient for casing aligning, guarantees concentricity.

Magnetosphere 6 is installed outside said machine casing 3, which is loop, to prevent leak-stopping magnetic, reduces magnetic resistance, improves power.

The rear end of above-mentioned iron core 2 is pressed with fan blade 7, improves radiating efficiency.

Wherein, in order to reduce motor spark, electrical machinery life is improved, commutator uses 20 chip architectures.

The outer end opening of above-mentioned winding slot penetrates winding slot convenient for enameled wire, which is equipped with slot wedge and (does not show in figure Out), the case where being dielectrically separated from, capable of effectively avoiding electric leakage box power loss appearance.

Groove paper 23 is mounted in each winding slot, the shape of the groove paper is matched with the shape of winding slot, and groove paper is set The case where setting, which can be carried out, is dielectrically separated from, and can effectively avoid electric leakage box power loss appearance.

Above-mentioned iron core 2 includes the insulating end plate 22 that core 21 and two are separately mounted to 21 both ends of core, core 21, insulation End plate 22 is fixedly set on motor shaft 1, several the first winding slots 211 are uniformly provided on the periphery of core 21, insulation Several the second winding slots 221 matched with the first winding slot 211, the first winding slot 211 are offered on the periphery of end plate 22 It is combined into above-mentioned winding slot with second winding slot 221 at both ends, which covers the first winding slot and the second winding slot simultaneously.Its In, the outer diameter of core 21 is 28.7mm.

This product is suitable for soy bean milk making machine, cooking machine etc..

The above is only preferred embodiments of the present invention, it is noted that for the ordinary skill people of the art Member for, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the protection scope of the utility model.

Claims (7)

1. a kind of motor, it is characterised in that: the motor include motor shaft (1), be fixedly mounted on the motor shaft (1) turn Son, the casing (3) being sleeved on outside the rotor, the magnet steel (4) being fixedly mounted in the casing (3), be fixedly mounted on it is described Commutator (8) on motor shaft (1), and it is sleeved on the brush bracket device of the commutator (8) outside, the fixed peace of the brush bracket device On the casing (3), the both ends of the casing (3) pass through bearing (10) and are supported on the motor shaft (1)；

The rotor includes enameled wire and the iron core (2) being fixedly set on the motor shaft (1), is opened on the iron core (2) Equipped with several winding slots, the enameled wire is wrapped in the winding slot；

The brush bracket device includes brush holder (91) and the carbon brush (92) being mounted in the brush holder (91), on the brush holder (91) The carbon brush hole (911) for installing the carbon brush (92) is offered, the carbon brush (92) is stretched out the carbon brush hole (911) outside and is resisted against Commutator (8) outer surface；

The casing (3) includes shell open at one end (31) and the end cap (32) for being fixedly mounted on the open end, described Brush holder (91) is fixedly mounted on the end cap (32).

2. motor according to claim 1, it is characterised in that: the magnet steel (4) is two pieces, and two pieces of magnet steel (4) are equal It is even to be distributed on the casing (3) inner wall.

3. motor according to claim 2, it is characterised in that: there are gap, the gaps between two pieces of magnet steel (4) It is inside equipped with U-shaped spring (5), two elastic slices of the U-shaped spring (5) are born against in two pieces of magnet steel (4).

4. motor according to claim 1, it is characterised in that: be equipped with magnetosphere (6) outside the casing (3).

5. motor according to claim 1, it is characterised in that: the rear end of the iron core (2) is pressed with fan blade (7).

6. motor according to claim 1, it is characterised in that: be mounted on groove paper (23) in each winding slot.

7. according to claim 1, motor described in 5 or 6, it is characterised in that: the iron core (2) includes core (21) and two points Be not mounted on the insulating end plate (22) at the core (21) both ends, be uniformly provided on the periphery of the core (21) several One winding slot (211) offers several on the periphery of the insulating end plate (22) and matches with first winding slot (211) The second winding slot (221), second winding slot (221) at first winding slot (211) and both ends is combined into the winding slot.