CN209184395U

CN209184395U - A kind of high pressure flattening DC brushless motor

Info

Publication number: CN209184395U
Application number: CN201821629367.XU
Authority: CN
Inventors: 林楚辉
Original assignee: Guangdong Jinba Intelligent Technology Co Ltd
Current assignee: Guangdong Jinba Intelligent Technology Co Ltd
Priority date: 2018-10-09
Filing date: 2018-10-09
Publication date: 2019-07-30
Anticipated expiration: 2028-10-09

Abstract

The utility model relates to a kind of high pressure flattening DC brushless motors, including drive end bearing bracket, rear end cap, shaft, upper bracket, lower bracket, stator chip, coil windings, rotor chip, magnetic shoe, upper balance ring and lower balance ring, both ends of the shaft is rotatablely installed by bearing in drive end bearing bracket, at rear end cap center, stator chip is inserted into upper bracket, between lower bracket, coil winding wound stator chip, rotor chip is installed inside stator chip, magnetic shoe, upper balance ring, lower balance ring, rotor chip fixing sleeve fills in the middle part of shaft, rotor chip peripheral side is installed by magnetic shoe, the fixed package packing rotating shaft of upper balance ring is simultaneously located in front of rotor chip, the fixed package packing rotating shaft of lower balance ring is simultaneously located at rotor chip rear, optimize the fit structure of stator chip and rotor chip, reduce height, space is saved convenient for flexibly installation, and shaft upper and lower is distinguished It is set with balance ring up and down, upper and lower balance ring adjusts shaft balance, guarantees that concentricity does not deviate, power is big, high-efficient.

Description

A kind of high pressure flattening DC brushless motor

Technical field

The utility model relates to motor fields, and in particular to a kind of high pressure flattening DC brushless motor.

Background technique

In the prior art, the household electrical appliance such as fruit juice mixer, soy bean milk making machine, juice extractor, cooking machine are motors as power output Device, because the design space of above-mentioned electric appliance limits, motor will be made into small-sized and high power and meet power requirement.Existing fruit juice Machine, soy bean milk making machine, juice extractor, cooking machine motor because being limited to internal stator, rotor engagement structure, the height of motor body It in 95~105mm or so, cannot accomplish lower to save space, guarantee in addition, machine shaft lacks certain structure in assembly Its concentricity and balance, when shaft high speed rotation, it may appear that be eccentrically rotated, be unstable, the bad phenomenons such as deviation, causing to turn Axis, which cannot be truly realized high speed rotation, influences power output.

Utility model content

In view of the problems of the existing technology, the utility model provides a kind of high pressure flattening DC brushless motor, tool Have the advantages that reasonable in design, height is low, shaft rotation is steady, specific technical solution is as follows:

A kind of high pressure flattening DC brushless motor, including drive end bearing bracket, rear end cap, shaft, upper bracket, lower bracket, stator Chip, coil windings, rotor chip, magnetic shoe, upper balance ring and lower balance ring, both ends of the shaft are rotatablely installed by bearing in front end At lid, rear end cap center, drive end bearing bracket, rear end cap avris are integrally connected by fastener, and upper bracket, rear end are installed in drive end bearing bracket rear Lower bracket is installed in lid front, and stator chip is inserted between upper bracket, lower bracket, coil winding wound stator chip, stator core Piece is hollow structure, and rotor chip, magnetic shoe, upper balance ring, lower balance ring, rotor chip fixing sleeve dress are installed inside stator chip In the middle part of shaft, magnetic shoe is installed in rotor chip peripheral side, and the fixed package packing rotating shaft of upper balance ring is simultaneously located in front of rotor chip, lower balance The fixed package packing rotating shaft of ring is simultaneously located at rotor chip rear.

As a kind of preferred embodiment of the utility model, the upper balance ring, lower balance ring are equipped with the multiple of circumferential arrangement Fan groove, fan groove are distributed from inside to outside.

As a kind of preferred embodiment of the utility model, Hall Plate is installed in front of the upper bracket, Hall Plate is drawn outward Power supply line and signal wire.

As a kind of preferred embodiment of the utility model, magnetic shoe peripheral side installation shield magnet ring, shield magnet ring side with it is upper Balance ring, lower balance ring are in contact, and shield magnet ring outer wall is not contacted with stator chip inner wall.

As a kind of preferred embodiment of the utility model, the stator chip is equipped with 9 coils for coil winding wound Slot, motor pole number are 6 poles.

As a kind of preferred embodiment of the utility model, the fastener is screw, and screw has 4 to be located at front end Lid, rear end cap four corners.

As a kind of preferred embodiment of the utility model, the coil windings are twin coil winding.

The utility model has the beneficial effects that the fit structure of optimization stator chip and rotor chip, passes through upper bracket, lower branch The mutual cooperation of frame, stator chip, coil windings, rotor chip, magnetic shoe, upper balance ring and lower balance ring reduces height, section About space is convenient for flexibly installation, and shaft upper and lower is set with balance ring up and down, and upper and lower balance ring adjusts shaft balance, protects Card concentricity does not deviate, and power is big, high-efficient, meets the requirement of household electrical appliance.

Detailed description of the invention

Fig. 1 is the overall perspective view of the utility model；

Fig. 2 is the whole exploded view of the utility model；

Fig. 3 is the perspective view of the upper balance ring of the utility model；

Fig. 4 be the upper bracket of the utility model, lower bracket, stator chip, coil windings, Hall Plate assembling stereogram.

Specific embodiment

With reference to the accompanying drawing, specific embodiments of the utility model will be further explained:

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the position of indication or suggestion meaning or element must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, it is above-mentioned that concrete condition understanding can be regarded The concrete meaning of term in the present invention.

As illustrated in fig. 1 and 2, a kind of high pressure flattening DC brushless motor, including drive end bearing bracket 1, rear end cap 2, shaft 3, on Bracket 4, lower bracket 5, stator chip 6, coil windings 7, rotor chip 8, magnetic shoe 9, upper balance ring 10 and lower balance ring 11, shaft 3 both ends are rotatablely installed at drive end bearing bracket 1,2 center of rear end cap by bearing 12, and drive end bearing bracket 1,2 avris of rear end cap pass through fastener 13 are integrally connected, and upper bracket 4 is installed at 1 rear of drive end bearing bracket, install lower bracket 5 in front of rear end cap 2, stator chip 6 is inserted into branch Between frame 4, lower bracket 5, coil windings 7 wind the coil slot 61 of stator chip 6, and stator chip 6 is hollow structure, stator chip Rotor chip 8, magnetic shoe 9, upper balance ring 10, lower balance ring 11 are installed in 6 inside, and fixed 3 middle part of package packing rotating shaft of rotor chip 8 turns Magnetic shoe 9 is installed in sub- 8 peripheral side of chip, and the fixed package packing rotating shaft 3 of upper balance ring 10 is simultaneously located at 8 front of rotor chip, lower balance ring 11 Fixed package packing rotating shaft 3 is simultaneously located at 8 rear of rotor chip, and stator chip 6 is fixed by upper bracket 4, lower bracket 5 and is located at drive end bearing bracket 1, angle between rear end cap 2 installs rotor chip 8, magnetic shoe 9, upper balance ring 10, lower balance ring 11, stator inside stator chip 6 The sum of height of chip 6, drive end bearing bracket 1, rear end cap 2 is motor height value, and motor whole height is effectively reduced.

As shown in figure 3, upper balance ring 10, lower balance ring 11 are equipped with the multiple fan groove 10a, fan groove 10a of circumferential arrangement It is distributed from inner circle to outer circle two layers totally, when the when of Bu Pinghenging while overweighting in addition of shaft 3, up balance ring 10 or lower balance Fan groove 10a in ring 11 is added mass and guarantees balance, helps to improve smooth rotation.

As shown in figure 4, upper bracket 4, lower bracket 5 are by inserting to the 61 fixed stator chip of coil slot of stator chip 6 Position, stator chip 6 are equipped with 9 coil slots 61 for coil winding wound, and motor pole number is 6 poles, motor pole number and the number of magnetic shoe 9 Measure it is corresponding, and coil windings 7 be twin coil winding, i.e. 9 groups of coil windings 7, every group be all it is simultaneously wound by two electric wires and At, accomplish that magnetic field is strong, revolving speed is high, power is big, in front of upper bracket 4 install Hall Plate 14, the outside extracting power supply cord 15 of Hall Plate 14 With signal wire 16, Hall Plate 14 helps to control brushless motor.

Specifically, 9 peripheral side of magnetic shoe installation shield magnet ring 17, is protected there are two magnet rings 17, two 17 sides of shield magnet ring are put down with upper Weighing apparatus ring 10, lower balance ring 11 are in contact, and magnetic shoe 9 can be protected again by protecting i.e. fixed 9 position of magnetic shoe of magnet ring 17, protect 17 outer wall of magnet ring and determine Sub- 6 inner wall of chip does not contact, and guarantees shaft 3 with rotor chip 8, magnetic shoe 9, upper balance ring 10, lower balance ring 11, shield magnet ring 17 Rotation, shield magnet ring 17 will not be interfered with stator chip 6, in addition, fastener 13 is screw, before screw has 4 to be located at End cap 1,2 four corners of rear end cap guarantee that drive end bearing bracket 1, rear end cap 2 are fixedly connected with grip chip 6 after one.

In conclusion the utility model high pressure flattening DC brushless motor, flattening design structure is reasonable, is highly 57 ~57.6mm, effectively save space, and 9 coil, 6 pole, revolving speed is high, and power is big, meets fruit juice mixer, cooking machine use demand, on Lower balance ring design reinforces motor operation stationarity.

It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined Assert that the specific implementation of the utility model is only limited to these instructions, for the ordinary skill of the utility model technical field For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard To belong to the protection scope of the utility model.

Claims

1. a kind of high pressure flattening DC brushless motor, it is characterised in that: including drive end bearing bracket, rear end cap, shaft, upper bracket, under Bracket, stator chip, coil windings, rotor chip, magnetic shoe, upper balance ring and lower balance ring, both ends of the shaft are rotated by bearing It is installed on drive end bearing bracket, at rear end cap center, drive end bearing bracket, rear end cap avris are integrally connected by fastener, the installation of drive end bearing bracket rear Lower bracket is installed in upper bracket, rear end cap front, and stator chip is inserted between upper bracket, lower bracket, coil winding wound stator Chip, stator chip are hollow structure, install rotor chip, magnetic shoe, upper balance ring, lower balance ring, rotor inside stator chip In the middle part of the fixed package packing rotating shaft of chip, magnetic shoe is installed in rotor chip peripheral side, and the fixed package packing rotating shaft of upper balance ring is simultaneously located at rotor core In front of piece, the fixed package packing rotating shaft of lower balance ring is simultaneously located at rotor chip rear.

2. a kind of high pressure flattening DC brushless motor according to claim 1, it is characterised in that: the upper balance ring, Lower balance ring is equipped with multiple fan grooves of circumferential arrangement, and fan groove is distributed from inside to outside.

3. a kind of high pressure flattening DC brushless motor according to claim 1, it is characterised in that: in front of the upper bracket Hall Plate, the outside extracting power supply cord of Hall Plate and signal wire are installed.

4. a kind of high pressure flattening DC brushless motor according to claim 1, it is characterised in that: the magnetic shoe peripheral side Installation shield magnet ring, shield magnet ring side are in contact with upper balance ring, lower balance ring, and shield magnet ring outer wall does not connect with stator chip inner wall Touching.

5. a kind of high pressure flattening DC brushless motor according to claim 1, it is characterised in that: the stator chip is set There are 9 coil slots for coil winding wound, motor pole number is 6 poles.

6. a kind of high pressure flattening DC brushless motor according to claim 1, it is characterised in that: the fastener is spiral shell Silk, screw have 4 to be located at drive end bearing bracket, rear end cap four corners.

7. a kind of high pressure flattening DC brushless motor according to claim 1, it is characterised in that: the coil windings are Twin coil winding.