CN211579845U

CN211579845U - Magnetic suspension motor

Info

Publication number: CN211579845U
Application number: CN202020419356.XU
Authority: CN
Inventors: 徐婷; 熊平; 胡会杰; 肖前卫
Original assignee: Huizhou Chenbang Science And Technology Co ltd; Huizhou Qichengda Technology Co ltd; Shenzhen Libai Technology Co ltd
Current assignee: Huizhou Chenbang Science And Technology Co ltd; Huizhou Qichengda Technology Co ltd; Shenzhen Libai Technology Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-09-25
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a magnetic suspension motor, including magnet, magnet inlays and establishes at the middle part of rotating the support, the one end of rotating the support is equipped with the shell fragment, the other end and rotation axis connection, the shell fragment is the platykurtic to form integral type shaping structure with rotating the support, the both sides of rotating the support are equipped with the silicon steel sheet, the periphery of rotating the support is equipped with wire wound iron spare, wire wound iron spare and insulating support fixed connection, insulating support one end and left side lid fixed connection, the other end and right side lid fixed connection, the other end of shell fragment is inserted and is established in the left side lid, the other end of axis of rotation passes the right side lid and extends to outside the right side lid. The utility model discloses magnetic suspension motor has and to increase output torque upper limit, increases output stationarity, simple structure, advantages such as low cost.

Description

Magnetic suspension motor

Technical Field

The utility model relates to the technical field of motors, in particular to magnetic suspension motor.

Background

The electric toothbrush is a toothbrush invented by Philippe-Guy Woog, the brush head generates high-frequency vibration through the quick rotation or vibration of the motor core, toothpaste is instantly decomposed into fine foam to deeply clean slits between teeth, and meanwhile, the vibration of the bristles can promote the blood circulation in the oral cavity and has a massage effect on gum tissues. At present, a common electric toothbrush is mainly based on a vibration principle, a driving motor and a rotating shaft are arranged in a vibration type electric toothbrush, the driving motor and the rotating shaft are connected together through an eccentric wheel, the driving motor selectively drives the eccentric wheel to rotate, the eccentric wheel drives the rotating shaft to vibrate, and then a brush head connected with the rotating shaft achieves a high-frequency swinging effect. Although the common vibration type electric toothbrush can also achieve the effect of high-frequency swinging of the brush head, the electric toothbrush has more mechanical transmission in the rotation process of the eccentric wheel, so that the vibration frequency is low, the upper limit of the output torque is lower, and the cleaning force effect on teeth is poor.

Among the present patent of china, patent number 2018201423261's utility model "magnetic suspension motor", this patent is including motor cabinet, magnetic pole group and rotating shaft group, the rotating shaft group has the magnet and is used for the axis of rotation of external output motion, this motor is though can increase output torque's upper limit for the eccentric wheel structure commonly used, also less than eccentric torque's yaw moment that causes, but shell fragment and runing rest in this motor divide into two parts, although the fixed mode commonly used has been adopted, but because the long-term use of motor, be connected between shell fragment and the runing rest appears becoming flexible easily, lead to shell fragment and runing rest to appear the yaw, and then reduce output torque's upper limit, also can make the motor appear the yaw phenomenon of small-range, the output stationarity of motor has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a magnetic suspension motor aims at solving motor vibration stationarity and output torque problem in the electric toothbrush, the utility model discloses can increase the output torque upper limit, increase output stationarity, simple structure, low cost.

The utility model discloses can realize through following technical scheme:

the utility model provides a magnetic suspension motor, including magnet, magnet inlays and establishes at the middle part of rotating the support, the one end of rotating the support is equipped with the shell fragment, and the other end and rotation axis connection, the shell fragment is the platykurtic to form integral type shaping structure with the rotating the support, the both sides of rotating the support are equipped with the silicon steel sheet, the periphery of rotating the support is equipped with wire winding iron spare, wire winding iron spare and insulating support fixed connection, insulating support one end and left side lid fixed connection, the other end and right side lid fixed connection, the other end of shell fragment is inserted and is established in the left side lid, the other end of axis of rotation passes the right side lid and extends outside the right side lid. The utility model discloses a magnetic suspension motor, including magnet, axis of rotation, with shell fragment integral type shaping rotation support, wire winding iron, mainly by wire winding iron with the alternating current electricity be connected, the alternating current is to wire winding iron input current, make wire winding iron produce the magnetic field, magnet receive magnetic field drive and drive the axis of rotation through rotating the support, thereby to the outer output motion, make the utility model discloses reduce mechanical transmission structure, increase the upper limit of output torque; and because the utility model discloses a shell fragment is integral type forming structure with the rotation support, can effectually guarantee the shell fragment and rotate the axiality between the support, avoid being connected between shell fragment and the rotation support appear becoming flexible and lead to shell fragment and rotation support to appear off-axis, can effectual assurance the utility model discloses an output stationarity.

Further, the middle part of rotating the support is equipped with the magnet mounting hole, and both sides are equipped with the silicon steel sheet draw-in groove, and the one end of being connected with the axis of rotation is equipped with hollow axis of rotation installation department, the one end of axis of rotation is inserted and is established in the axis of rotation installation department. The magnet mounting hole is arranged to facilitate installation of magnets, the silicon steel sheet clamping grooves are arranged to facilitate installation of silicon steel sheets, and the rotating shaft mounting portion is arranged to facilitate installation between the rotating support and the rotating shaft.

Furthermore, the elastic sheet, the magnet mounting hole and the rotating shaft mounting part are coaxially arranged; can guarantee the axiality of shell fragment, magnet and axis of rotation like this, guarantee the utility model discloses the stationarity of output.

Further, the rotating shaft mounting part is sleeved with a bearing, and the bearing is located on the inner side of the right cover. The bearing can provide good motion bearing for the rotating shaft.

Further, wire winding ironware includes coil and ironware, the ironware is the U word shape, it is located ironware recess middle part to rotate the support, the coil winding is outside at the ironware. The iron part is U word shape, can make things convenient for the installation between iron part and the insulating support on the one hand, on the other hand iron part is the U font, can be with rotating the magnet parcel on the support in the iron part, and the coil winding is on the iron part, after the circular telegram is connected with alternating current to the coil, the magnetic field that the coil produced can even distribution in the periphery of magnet, make the magnetic field intensity distribution around the magnet even, avoid leading to magnet rotation to appear unstable phenomenon because of the magnetic field deviation around the magnet, further guarantee magnet pivoted stability.

Further, insulating support is the H font, and the middle part is equipped with ironware installation draw-in groove, and both ends are equipped with the cover connecting portion of being connected with left side lid and right side lid. The insulating support is H font can make things convenient for the fixed mounting of ironware, the setting of cover connecting portion can make things convenient for the installation of left side lid and right side lid.

Furthermore, the left cover is provided with an elastic sheet installation cavity, and a connecting line through hole is formed in the elastic sheet installation cavity. The elastic piece mounting cavity is convenient for mounting the extending end of the elastic piece, and the connecting wire is provided with a through hole, so that the connecting wire of the coil and alternating current can be conveniently extended to the outside of the motor to be connected with a power supply.

Further, the rotating shaft is coaxially arranged with the rotating bracket. The axis of rotation sets up with the rotation support is coaxial, can further guarantee the utility model discloses a stationarity.

The utility model has the advantages that:

1. increasing the upper limit of the output torque; the utility model discloses a magnetic suspension motor, including magnet, axis of rotation, with shell fragment integral type shaping rotation support, wire winding iron, mainly by wire winding iron with the alternating current electricity be connected, the alternating current is to wire winding iron input current, make wire winding iron produce the magnetic field, magnet receive magnetic field drive and drive the axis of rotation through rotating the support, thereby to the outer output motion, make the utility model discloses reduce mechanical transmission structure, increase the upper limit of output torque;

2. the output stationarity is increased; the utility model discloses a shell fragment and rotating bracket are integral type forming structure, can the effectual axiality of guaranteeing between shell fragment and the rotating bracket, avoid the shell fragment to appear becoming flexible and lead to shell fragment and rotating bracket to appear off-axis in the connection between shell fragment and the rotating bracket, can the effectual output stationarity of guaranteeing the utility model;

3. the structure is simple; the utility model mainly comprises a magnet, a rotating bracket, a spring plate, a rotating shaft, a silicon steel sheet, a wound iron piece, an insulating bracket, a left cover and a right cover, and has few components and simple structure;

4. the cost is low; the utility model discloses the component part is few, simple structure, and what each part material adopted is conventional material moreover, and its material source is extensive, low cost.

Drawings

FIG. 1 is a schematic diagram of a magnetic levitation motor with parts separated;

fig. 2 is a schematic view of the structure of the rotating bracket in fig. 1.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following provides a detailed description of the product of the present invention with reference to the embodiments and the accompanying drawings.

As shown in fig. 1 and 2, a magnetic suspension motor, including magnet 1, rotating bracket 2, shell fragment 3, axis of rotation 4, silicon steel sheet 5, wire winding ironware, insulating support 6, left side lid 7 and right side lid 8, wire winding ironware includes coil and ironware 9, magnet 1 inlays to be established in the middle part magnet mounting hole 201 of rotating bracket 2, the one end of shell fragment 3 and the one end of rotating bracket 2 form integral type shaping structure, shell fragment 3 is the platykurtic, has fine elastic deformation performance. The silicon steel sheets 5 are clamped in the silicon steel sheet clamping grooves 202 on the two side faces of the rotating support 2, and U-shaped bayonets matched with the silicon steel sheet clamping grooves 202 are arranged at the two ends of each silicon steel sheet 5, so that the silicon steel sheets 5 can be conveniently installed. One end of the rotating shaft 4 is inserted into the rotating shaft mounting part 203 of the rotating bracket 2, and the other end of the rotating shaft 4 passes through the right cover 8 and extends to the outside for outputting movement to the outside; a bearing 10 is sleeved on the mounting part of the rotating shaft 4, and the bearing 10 is positioned on the inner side of the right cover 8 and used for providing good motion bearing for the rotating shaft 4; iron member 9 is U word shape to install the iron member installation draw-in groove at 6 middle parts of insulating support, iron member 9 and insulating support 6 pass through nut fastening connection, rotating support 2, magnet 1 and silicon steel sheet 5 are located the recess at 9 middle parts of iron member, the left end cover connecting portion of insulating support 6 pass through nut and 7 fixed connection of left side lid, and right-hand member cover connecting portion pass through nut and 8 fixed connection of right side lid, the other end setting of shell fragment 3 is in the shell fragment installation cavity of left side lid 7, be equipped with the connecting wire in the shell fragment installation cavity and perforate for make things convenient for the connecting wire of coil and alternating current to extend to the outside switch-on power supply of motor.

The utility model discloses a magnetic suspension motor, mainly by the coil of wire winding iron spare with alternating current connection, alternating current is to coil input current, make the coil produce the magnetic field, magnet 1 receives magnetic field drive and drives axis of rotation 4 through rotating support 2 and rotate, thereby to outer output motion, shell fragment 3 takes place deformation under the drive of rotating support 2, after the power stops to coil input current, the magnetic field disappears, magnet 1 stops rotating, shell fragment 3 drives rotating support 2 and rotates under the effect of elastic potential energy, and then drive axis of rotation 4 and reset, and then make axis of rotation 4 export reciprocating rotary motion outward, thus make the utility model discloses reduce mechanical transmission structure, increase the upper limit of output torque; and because the utility model discloses a shell fragment 3 is integral type forming structure with rotating support 2, can effectual assurance shell fragment 3 and the axiality between rotating support 2, avoid being connected between shell fragment 3 and the rotating support 2 to appear becoming flexible and lead to shell fragment 3 and rotating support 2 to appear off-axis, can effectual assurance the utility model discloses an output stationarity. The utility model discloses a magnet mounting hole 201 and the coaxial setting of axis of rotation installation department 203 on shell fragment 3, the rotation support 2, axis of rotation 4 and the coaxial setting of rotation support 2 can guarantee the axiality between shell fragment 3, rotation support 2, magnet 1 and the axis of rotation 4 like this, guarantee the utility model discloses the stationarity of output.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations that are equivalent to those of the above-described embodiments may be made without departing from the scope of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. A magnetic suspension motor is characterized in that: including magnet, magnet inlays and establishes at the middle part of rotating movable support, the one end of rotating movable support is equipped with the shell fragment, and the other end and rotation axis connection, the shell fragment is the platykurtic to form integral type shaping structure with the rotating movable support, the both sides of rotating movable support are equipped with the silicon steel sheet, the periphery of rotating movable support is equipped with wire winding iron spare, wire winding iron spare and insulating support fixed connection, insulating support one end and left side lid fixed connection, the other end and right side lid fixed connection, the other end of shell fragment is inserted and is established in the left side lid, the other end of axis of rotation passes the right side lid and extends outside the right side lid.

2. Magnetic levitation electric machine according to claim 1, characterised in that: the middle part of rotating the support is equipped with the magnet mounting hole, and both sides are equipped with the silicon steel sheet draw-in groove, and the one end of being connected with the axis of rotation is equipped with hollow axis of rotation installation department, the one end of axis of rotation is inserted and is established in the axis of rotation installation department.

3. Magnetic levitation electric machine according to claim 2, characterized in that: the elastic sheet, the magnet mounting hole and the rotating shaft mounting part are coaxially arranged.

4. A magnetic levitation motor as claimed in claim 3, wherein: the rotating shaft mounting part is sleeved with a bearing, and the bearing is located on the inner side of the right cover.

5. Magnetic levitation electric machine according to claim 4, characterized in that: the wire winding iron piece comprises a coil and an iron piece, the iron piece is U-shaped, the rotating support is located in the middle of the iron piece groove, and the coil is wound on the outer portion of the iron piece.

6. Magnetic levitation electric machine according to claim 5, characterized in that: the insulating support is H font, and the middle part is equipped with ironware installation draw-in groove, and both ends are equipped with the cover connecting portion of being connected with left side lid and right side lid.

7. Magnetic levitation electric machine according to claim 6, characterised in that: the left cover is provided with an elastic piece mounting cavity, and a connecting wire through hole is formed in the elastic piece mounting cavity.

8. Magnetic levitation electric machine according to claim 7, characterized in that: the rotating shaft and the rotating support are coaxially arranged.