CN209913684U - Brushless alternating current reciprocating rotary motor - Google Patents
Brushless alternating current reciprocating rotary motor Download PDFInfo
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- CN209913684U CN209913684U CN201920572569.3U CN201920572569U CN209913684U CN 209913684 U CN209913684 U CN 209913684U CN 201920572569 U CN201920572569 U CN 201920572569U CN 209913684 U CN209913684 U CN 209913684U
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Abstract
The utility model discloses a brushless alternating current reciprocating rotary motor, including stator module, rotor subassembly and reciprocating drive subassembly, the stator module includes stator magnet, the rotor subassembly includes the motor shaft and sets up the rotor lamination on the motor shaft, be provided with the lamination pole that corresponds with stator magnet on the rotor lamination, reciprocating drive subassembly includes drive lamination, coil and drive magnet, two ports of drive lamination opening part set up towards drive magnet; when alternating current is supplied to the coil, the two ports at the opening of the driving lamination generate continuously-changed polarities along with the change of the current direction of the coil, and the driving magnet can drive the rotor assembly to swing back and forth so as to drive the motor shaft to rotate around the axis in a reciprocating manner; after the rotor assembly rotates around the axis for a certain angle, the stator magnet applies magnetic force to drive the rotor lamination to reset and return to the original position, so that the inertia is increased, and the amplitude attenuation caused by damping is reduced; and a brand new motor structure is adopted, so that the reliability is high and the service life is long.
Description
Technical Field
The utility model relates to the field of electric machines, in particular to brushless alternating current reciprocating rotation motor.
Background
The alternating current reciprocating rotation motor is a motor in which a motor shaft can rotate in a reciprocating manner at a certain angle around an axis after alternating current is introduced. The micromotor is widely applied to the fields of electric toothbrushes, massage rods, grinders and the like. The problems of poor structural reliability and short service life of the conventional motor generally exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a brushless alternating current reciprocating rotation motor, adopt brand-new motor structure, the reliability is high, long service life.
According to the utility model discloses an aspect provides a brushless alternating current reciprocating rotary motor, include:
the stator assembly comprises a shell sleeve, a first magnet support and stator magnets, wherein the first magnet support is arranged inside the shell sleeve, the stator magnets are arranged in pairs, and the first magnet support is symmetrically provided with magnet slots for placing the stator magnets;
the rotor assembly comprises a motor shaft and a rotor lamination arranged on the motor shaft, the shell sleeve is sleeved on the rotor lamination, and the rotor lamination is provided with a lamination pole corresponding to the stator magnet; and
the reciprocating driving assembly comprises a U-shaped driving lamination, a coil wound on the driving lamination and a driving magnet arranged at the end part of the motor shaft, wherein two ports at the opening of the driving lamination face the driving magnet.
The brushless alternating current reciprocating rotating motor at least has the following beneficial effects: when alternating current is supplied to the coil, the two ports at the opening of the driving lamination generate periodic transformation and opposite polarities along with the change of the current direction of the coil, and the generated magnetic force can drive the driving magnet to drive the rotor assembly to swing back and forth so as to drive the motor shaft to rotate around the axis in a reciprocating manner at a certain angle; in addition, a magnet slot is arranged on the first magnet support to place a stator magnet, and a lamination pole corresponding to the stator magnet is arranged on the rotor lamination, so that after the rotor assembly rotates for a certain angle around the axis, the stator magnet applies magnetic force to drive the rotor lamination to reset and return to the original position, the rotor assembly rotates in a reciprocating manner, inertia is increased, and amplitude attenuation caused by damping is reduced; and a brand new motor structure is adopted, so that the reliability is high and the service life is long.
According to the utility model discloses a brushless alternating current reciprocating rotary motor of first aspect, stator magnet includes a pair of magnetic shoe, the magnetic shoe is regional magnetizing, the magnetic shoe includes the not regional area of magnetizing that is located the centre and the symmetry sets up in the not left area of magnetizing and right area of magnetizing of the not regional both sides of magnetizing, the left side is magnetized regional and right area of magnetizing magnetizes the opposite direction; the rotor lamination is provided with two lamination poles, and the lamination poles are arranged corresponding to the non-magnetizing area. The rotor lamination can keep a static state when no external force acts by adopting a region magnetizing mode and arranging a non-magnetizing region in the middle; the left magnetizing area and the right magnetizing area are opposite in magnetizing direction, so that the lamination poles can be subjected to the magnetic force exerted by the left magnetizing area and the right magnetizing area at the same time after deviating from the non-magnetizing area under the action of external force, and the rotor lamination is driven to reset to the original position.
According to the utility model discloses a brushless alternating current reciprocating rotary motor of first aspect, stator magnet includes a pair of magnetic shoe and a pair of plane magnet, magnetic shoe and plane magnet are the region and magnetize, the magnetic shoe with plane magnet all include the not region of magnetizing that is located the middle and the left region of magnetizing and the right region of magnetizing that sets up symmetrically in the not region of magnetizing both sides, the left region of magnetizing and the right region of magnetizing magnetize the opposite direction; the rotor lamination is provided with four lamination poles, and the four lamination poles are respectively arranged corresponding to the non-magnetizing area. The rotor lamination can keep a static state when no external force acts by adopting a region magnetizing mode and arranging a non-magnetizing region in the middle; the left magnetizing area and the right magnetizing area are opposite in magnetizing direction, so that the lamination poles can be subjected to the magnetic force exerted by the left magnetizing area and the right magnetizing area at the same time after deviating from the non-magnetizing area under the action of external force, and the rotor lamination is driven to reset to the original position.
According to the first aspect of the present invention, the driving magnet magnetizes a region, the driving magnet includes a non-magnetizing region in the middle and upper and lower magnetizing regions symmetrically disposed at two sides of the non-magnetizing region, and the magnetizing directions of the upper and lower magnetizing regions are opposite; two ports at the opening of the driving lamination respectively face to two sides of the non-magnetizing area of the driving magnet. The region magnetizing mode and the non-magnetizing region arranged in the middle can keep the driving magnet in a static state when two ports at the opening of the driving lamination do not display polarities; the magnetizing directions of the upper magnetizing area and the lower magnetizing area are opposite, so that the driving magnet can be rotated by a certain angle under the action of the magnetic force of the driving lamination, and the driving magnet can be reset to the original position under the action of the magnetic force exerted by the upper magnetizing area and the lower magnetizing area.
According to the utility model discloses the first aspect a brushless alternating current reciprocating rotation motor, reciprocating drive assembly still establishes including the cover the drive lamination with the motor linking bridge in the coil outside, the motor linking bridge with the shell lock is connected. Set up the motor linking bridge, can embody clear and definite structure subregion, the motor linking bridge corresponds reciprocal drive assembly part structure, and the shell corresponds stator module and rotor subassembly partial structure, and both locks are connected, make things convenient for the dismouting and examine and repair in subregion.
Furthermore, a first nesting portion for nesting into the shell is arranged at the joint of the motor connecting support and the shell, the first nesting portion is provided with a first buckling hole, and a first buckling block is correspondingly arranged at the joint of the shell and the motor connecting support. When the motor connecting support and the shell sleeve are buckled with each other, the first sleeving part is sleeved into the shell sleeve for pre-positioning, and then the motor connecting support is pushed inwards to enable the first buckling block to be buckled on the first buckling hole, so that the positioning is completed.
According to the utility model discloses the first aspect a brushless alternating current reciprocating rotation motor, still including setting up the upper bearing and the lower bearing of both sides about the rotor lamination, the top of shell is provided with and is used for placing the bearing frame of upper bearing, the lower part of shell is provided with and is used for placing the bearing bracket of lower bearing. The bearing seat and the bearing support are arranged and used for positioning the upper bearing and the lower bearing respectively, and the rotor assembly is guaranteed to rotate stably.
According to the utility model discloses a brushless alternating current reciprocating rotary motor, drive magnet passes through the second magnet support to be fixed the tip of motor shaft, the second magnet support includes axle sleeve portion and magnet connecting portion. The second magnet support is connected with the end part of the motor shaft through the shaft sleeve part and connected with the driving magnet through the magnet connecting part, and the problem of connection between the driving magnet and the motor shaft is solved.
According to the utility model discloses the first aspect a brushless alternating current reciprocating rotation motor, motor linking bridge still includes the detachable bottom, motor linking bridge with the bottom junction is provided with second embolia portion, be provided with second lock hole on the bottom, the correspondence is provided with second lock piece in the second embolia portion. The detachable bottom cover is arranged, so that the coil can be maintained and repaired conveniently, the second sleeving part is sleeved into the bottom cover to be pre-positioned when the bottom cover is installed, and then pushing is continued, so that the second buckling block is buckled on the second buckling hole to complete positioning.
According to the utility model discloses a brushless alternating current reciprocating rotary motor, the coil still includes two power supply lead wires, be provided with two power supply pin holes on the bottom. The bottom cover is provided with a power supply lead hole for leading out a power supply lead.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
fig. 1 is a schematic structural diagram of a brushless ac reciprocating rotary motor according to an embodiment of the present invention;
fig. 2 is another schematic structural diagram of a brushless ac reciprocating rotary motor according to an embodiment of the present invention;
fig. 3 is a schematic view of a stator magnet of a brushless ac reciprocating rotary electric machine according to another embodiment of the present invention;
fig. 4 is a schematic view of a stator magnet of a brushless ac reciprocating rotary motor according to an embodiment of the present invention;
fig. 5 is a schematic view of a reciprocating drive assembly of a brushless ac reciprocating rotary motor according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a brushless ac reciprocating rotary motor according to another embodiment of the present invention;
fig. 7 is a cross-sectional view of a stator assembly and a rotor assembly of a brushless ac reciprocating rotary motor according to an embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 and 2, an embodiment of the present invention provides a brushless ac reciprocating rotary motor, including: the stator assembly 10 comprises a shell 11, a first magnet support 12 and stator magnets 13, wherein the first magnet support 12 is arranged inside the shell 11, the stator magnets 13 are arranged in pairs, and the first magnet support 12 is symmetrically provided with magnet slots 121 for placing the stator magnets 13; the rotor assembly 20 comprises a motor shaft 21 and a rotor lamination 22 arranged on the motor shaft 21, the shell 11 is sleeved on the rotor lamination 22, and the rotor lamination 22 is provided with a lamination pole 221 corresponding to the stator magnet 13; the reciprocating drive assembly 30 includes a drive lamination 31 having a U-shape, a coil 32 wound on the drive lamination 31, and a drive magnet 33 provided at an end of the motor shaft 21, and two ports at an opening of the drive lamination 31 are provided toward the drive magnet 33.
In this embodiment, when the coil 32 is energized with ac, the two ports at the opening of the driving lamination 31 generate periodically-alternating and always-opposite polarities along with the change of the current direction of the coil 32, and the generated magnetic force will make the driving magnet 33 drive the rotor assembly 20 to swing back and forth, so as to drive the motor shaft 21 to rotate back and forth around the axis at a certain angle; in addition, the first magnet bracket 12 is provided with the magnet slots 121 to place the stator magnets 13, and the rotor laminations 22 are provided with the lamination poles 221 corresponding to the stator magnets 13, so that after the rotor assembly 20 rotates around the axis by a certain angle, the stator magnets 13 apply magnetic force to drive the rotor laminations 22 to reset and return to the original position, thereby realizing the reciprocating rotation of the rotor assembly 20, increasing inertia and reducing the amplitude attenuation caused by damping; the motor adopts a brand new motor structure, and has high reliability and long service life.
Further, referring to fig. 4, another embodiment of the present invention provides a brushless ac reciprocating rotary motor, wherein the stator magnet 13 includes a pair of magnetic shoes 131, and the two magnetic shoes 131 are symmetrically disposed on two sides of the motor shaft 21; the magnetic shoe 131 is magnetized in an area, the magnetic shoe 131 comprises a non-magnetized area in the middle, and a left magnetized area and a right magnetized area which are symmetrically arranged on two sides of the non-magnetized area, and the magnetizing directions of the left magnetized area and the right magnetized area are opposite; the rotor lamination 22 is provided with two lamination poles 221, the lamination poles 221 being arranged in correspondence of the non-magnetized area.
In the embodiment, the region is magnetized and the non-magnetized region is arranged in the middle, so that the rotor lamination 22 can keep a static state when no external force acts; the left magnetizing region and the right magnetizing region have opposite magnetizing directions, so that the lamination poles 221 are biased from the non-magnetizing region by an external force and are simultaneously subjected to magnetic forces applied by the left magnetizing region and the right magnetizing region to drive the rotor laminations 22 to reset to the original positions. Preferably, the magnetizing directions of the left magnetizing region and the right magnetizing region are vertical planes so as to provide the maximum reset magnetic force. It is understood that the magnetizing directions of the left and right magnetizing regions are not limited to the perpendicular to the plane, but have the best effect when perpendicular to the plane.
Further, referring to fig. 3 and 7, another embodiment of the present invention provides a brushless ac reciprocating motor, wherein the stator magnet 13 includes a pair of magnetic shoes 131 and a pair of planar magnets 132, the two magnetic shoes 131 are symmetrically disposed on the left and right sides of the motor shaft 21, the two planar magnets 132 are symmetrically disposed on the front and rear sides of the motor shaft 21, the two magnetic shoes 131 and the two planar magnets 132 are staggered with each other, the magnetic shoes 131 and the planar magnets 132 are both area-magnetized, the magnetic shoes 131 and the planar magnets 132 include a middle non-magnetized area and left and right magnetized areas symmetrically disposed on the two sides of the non-magnetized area, and the magnetized directions of the left magnetized area and the right magnetized area are opposite; the rotor lamination 22 is provided with four lamination poles 221, and the four lamination poles 221 are respectively provided corresponding to the non-magnetized regions.
In the embodiment, the region is magnetized and the non-magnetized region is arranged in the middle, so that the rotor lamination 22 can keep a static state when no external force acts; the left magnetizing region and the right magnetizing region have opposite magnetizing directions, so that the lamination poles 221 are biased from the non-magnetizing region by an external force and are simultaneously subjected to magnetic forces applied by the left magnetizing region and the right magnetizing region to drive the rotor laminations 22 to reset to the original positions.
It will be appreciated that the embodiment shown in figure 4 is a simplified version of the embodiment shown in figure 3, differing in the number of stator magnets 13 and the number of lamination poles 221 of the rotor laminations 22, and that the configuration of figure 3 or the configuration of figure 4 may be selected by one skilled in the art as required for the magnetic force recovery of the motor.
It will be appreciated that the two magnet tiles 131 and the two planar magnets 132 of fig. 3 are arranged in a polarity-dependent manner with respect to the adjacent magnet edges so as to provide maximum restoring magnetic force to the rotor laminations 22.
Further, referring to fig. 5, another embodiment of the present invention provides a brushless ac reciprocating rotating electrical machine, wherein the driving magnet 33 is magnetized in a region, the driving magnet 33 includes a non-magnetized region located in the middle and an upper magnetized region and a lower magnetized region symmetrically disposed at both sides of the non-magnetized region, and the magnetizing directions of the upper magnetized region and the lower magnetized region are opposite; the two ports at the opening of the drive lamination 31 face the two sides of the non-magnetized region of the drive magnet 33, respectively.
In this embodiment, the area magnetizing mode and the non-magnetizing area disposed in the middle can keep the driving magnet 33 in a static state when the two ports at the opening of the driving lamination 31 do not display polarity; the magnetizing directions of the upper magnetizing area and the lower magnetizing area are opposite, so that the driving magnet 33 can be rotated by a certain angle under the action of the magnetic force of the driving lamination 31, and can be reset to the original position under the action of the magnetic force exerted by the upper magnetizing area and the lower magnetizing area. It will be appreciated that the non-magnetized regions of the drive magnets 33 are horizontally disposed, and thus the magnetized regions thereof have an upper magnetized region and a lower magnetized region.
It will be appreciated that the coils 32 on the driving lamination 31 are wound on both sides of the driving lamination 31 respectively, and one side is wound in a counterclockwise direction and the other side is wound in a clockwise direction, so as to ensure that when the coils 32 are energized, the two ports at the opening of the driving lamination 31 have opposite polarities, and the polarities of the two ports at the opening of the driving lamination 31 are changed simultaneously with the change of the alternating current direction.
Further, referring to fig. 6, another embodiment of the present invention provides a brushless ac reciprocating rotary motor, wherein the reciprocating driving assembly 30 further includes a motor connecting bracket 34 sleeved outside the driving lamination 31 and the coil 32, and the motor connecting bracket 34 is connected with the housing 11 in a fastening manner.
In this embodiment, set up motor linking bridge 34, can embody clear and definite structure subregion, motor linking bridge 34 corresponds reciprocal drive assembly 30 part structure, and the partial structure of stator module 10 of shell 11 corresponding and rotor subassembly 20, both lock connections make things convenient for the dismouting and overhaul by subregion.
Further, referring to fig. 6, another embodiment of the present invention provides a brushless ac reciprocating motor, wherein a first engaging portion 341 for engaging the casing 11 is disposed at a joint of the motor connecting bracket 34 and the casing 11, the first engaging portion 341 is provided with a first fastening hole 342, and a first fastening block 111 is disposed at a joint of the casing 11 and the motor connecting bracket 34.
In this embodiment, when the motor connecting bracket 34 and the shell 11 are fastened to each other, the first inserting portion 341 is inserted into the shell 11 for pre-positioning, and then the motor connecting bracket 34 is pushed inward to fasten the first fastening block 111 on the first fastening hole 342, so as to complete the positioning.
Further, referring to fig. 2 and 5, another embodiment of the present invention provides a brushless ac reciprocating rotary motor, which further includes an upper bearing 23 and a lower bearing 24 disposed on the upper and lower sides of the rotor lamination 22, a bearing seat 112 for placing the upper bearing 23 is disposed on the top of the housing 11, and a bearing support 113 for placing the lower bearing 24 is disposed on the lower portion of the housing 11.
In this embodiment, the bearing seat 112 and the bearing support 113 are provided for positioning the upper bearing 23 and the lower bearing 24, respectively, to ensure the rotor assembly 20 to be rotationally stable.
Further, referring to fig. 2 and 4, another embodiment of the present invention provides a brushless ac reciprocating rotary motor, wherein the driving magnet 33 is fixed at an end of the motor shaft 21 by a second magnet holder 35, and the second magnet holder 35 includes a shaft fitting portion 351 and a magnet connecting portion 352.
In this embodiment, the second magnet holder 35 is connected to the end of the motor shaft 21 through the shaft engaging portion 351 and connected to the driving magnet 33 through the magnet connecting portion 352, thereby solving the problem of connection between the driving magnet 33 and the motor shaft 21.
Further, referring to fig. 2 and 6, another embodiment of the present invention provides a brushless ac reciprocating rotating motor, wherein the motor connecting bracket 34 further includes a detachable bottom cover 36, a second engaging portion 343 is disposed at a joint of the motor connecting bracket 34 and the bottom cover 36, a second engaging hole 344 is disposed on the bottom cover 36, and a second engaging block 345 is correspondingly disposed on the second engaging portion 343.
In this embodiment, the detachable bottom cover 36 is provided to facilitate maintenance and repair of the coil 32, and when the bottom cover 36 is installed, the second inserting portion 343 is inserted into the bottom cover 36 to perform pre-positioning, and then is pushed continuously, so that the second fastening block 345 is fastened to the second fastening hole 344 to complete the positioning.
Further, referring to fig. 6, another embodiment of the present invention provides a brushless ac reciprocating rotary motor, wherein the coil 32 further includes two power leads 321, and two power lead holes 361 are disposed on the bottom cover 36.
In this embodiment, the power lead hole 361 is formed on the bottom cover 36 to facilitate the leading of the power lead 321.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.
Claims (10)
1. A brushless ac reciprocating rotary electric machine comprising:
the stator assembly comprises a shell sleeve, a first magnet support and stator magnets, wherein the first magnet support is arranged inside the shell sleeve, the stator magnets are arranged in pairs, and the first magnet support is symmetrically provided with magnet slots for placing the stator magnets;
the rotor assembly comprises a motor shaft and a rotor lamination arranged on the motor shaft, the shell sleeve is sleeved on the rotor lamination, and the rotor lamination is provided with a lamination pole corresponding to the stator magnet; and
the reciprocating driving assembly comprises a U-shaped driving lamination, a coil wound on the driving lamination and a driving magnet arranged at the end part of the motor shaft, wherein two ports at the opening of the driving lamination face the driving magnet.
2. A brushless ac reciprocating rotary electric machine according to claim 1, wherein the stator magnet comprises a pair of magnetic shoes, the magnetic shoes are magnetized in regions, the magnetic shoes comprise a non-magnetized region in the middle and a left magnetized region and a right magnetized region symmetrically disposed at both sides of the non-magnetized region, the magnetized directions of the left magnetized region and the right magnetized region are opposite; the rotor lamination is provided with two lamination poles, and the lamination poles are arranged corresponding to the non-magnetizing area.
3. A brushless ac reciprocating rotary electric machine according to claim 1, wherein the stator magnets comprise a pair of magnetic shoes and a pair of planar magnets, the magnetic shoes and the planar magnets are magnetized in regions, the magnetic shoes and the planar magnets each comprise a non-magnetized region in the middle and left and right magnetized regions symmetrically disposed on both sides of the non-magnetized region, the magnetized directions of the left and right magnetized regions are opposite; the rotor lamination is provided with four lamination poles, and the four lamination poles are respectively arranged corresponding to the non-magnetizing area.
4. A brushless ac reciprocating rotary electric machine according to claim 1, wherein the driving magnet is magnetized in a zone, the driving magnet comprises a non-magnetized zone in the middle and upper and lower magnetized zones symmetrically disposed on both sides of the non-magnetized zone, the magnetized directions of the upper and lower magnetized zones are opposite; two ports at the opening of the driving lamination respectively face to two sides of the non-magnetizing area of the driving magnet.
5. A brushless AC reciprocating rotary electric machine according to any one of claims 1 to 4 wherein the reciprocating drive assembly further includes a motor connecting bracket disposed outside the drive laminations and the coils, the motor connecting bracket being snap-fit to the housing.
6. The brushless alternating current reciprocating rotary motor according to claim 5, wherein a first engaging portion for engaging with the housing is disposed at a connection between the motor connecting bracket and the housing, the first engaging portion has a first engaging hole, and a first engaging block is disposed at a connection between the housing and the motor connecting bracket.
7. A brushless AC reciprocating rotary electric machine according to any one of claims 1 to 4 further comprising upper and lower bearings disposed on upper and lower sides of the rotor lamination, wherein a bearing seat for placing the upper bearing is provided on a top portion of the housing, and a bearing holder for placing the lower bearing is provided on a lower portion of the housing.
8. A brushless AC reciprocating rotary motor as set forth in any one of claims 1 to 4, wherein said driving magnet is fixed to an end portion of said motor shaft by a second magnet holder, said second magnet holder including a shaft engaging portion and a magnet coupling portion.
9. The brushless alternating current reciprocating rotary motor of claim 5, wherein the motor connecting bracket further comprises a detachable bottom cover, a second nesting portion is disposed at a connection position of the motor connecting bracket and the bottom cover, a second fastening hole is disposed on the bottom cover, and a second fastening block is correspondingly disposed on the second nesting portion.
10. A brushless a.c. reciprocating rotary electric machine as recited in claim 9, wherein said coil further comprises two power supply leads, and said bottom cover is provided with two power supply lead holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920572569.3U CN209913684U (en) | 2019-04-23 | 2019-04-23 | Brushless alternating current reciprocating rotary motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920572569.3U CN209913684U (en) | 2019-04-23 | 2019-04-23 | Brushless alternating current reciprocating rotary motor |
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| CN209913684U true CN209913684U (en) | 2020-01-07 |
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| CN201920572569.3U Active CN209913684U (en) | 2019-04-23 | 2019-04-23 | Brushless alternating current reciprocating rotary motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048580A (en) * | 2019-04-23 | 2019-07-23 | 珠海三吉士健康科技有限公司 | Brushless ac reciprocating rotation motor |
| CN115276305A (en) * | 2022-09-27 | 2022-11-01 | 常州市昊升电机股份有限公司 | Inertia deviation prevention hollow shaft motor and working method thereof |
-
2019
- 2019-04-23 CN CN201920572569.3U patent/CN209913684U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048580A (en) * | 2019-04-23 | 2019-07-23 | 珠海三吉士健康科技有限公司 | Brushless ac reciprocating rotation motor |
| CN115276305A (en) * | 2022-09-27 | 2022-11-01 | 常州市昊升电机股份有限公司 | Inertia deviation prevention hollow shaft motor and working method thereof |
| CN115276305B (en) * | 2022-09-27 | 2023-01-13 | 常州市昊升电机股份有限公司 | Inertia deviation prevention hollow shaft motor and working method thereof |
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