CN116780846A - Multidirectional motion motor and implementation method thereof - Google Patents

Abstract

The invention discloses a multidirectional motion motor, which comprises a rotating motor body, wherein two ends of the outer part of a shell are respectively connected with a lug, the end sides of the lugs are connected with axial shrapnel, the outer ring of the axial shrapnel is connected with a support shell, the two support shells are connected through a side plate, one support shell is connected with a tailstock, the interior of the tailstock is connected with an axial driving coil, and an axial driving magnetic steel group corresponding to the axial driving coil is connected on a shaft; the invention also discloses a method for realizing the multidirectional motion motor. According to the invention, the rotating motor body is used as an axially moving vibrator, the degree of freedom of axial movement is provided by the axial spring, the axially moving vibrator is suspended by the axial spring, the friction force born by the vibrator is reduced, and the degree of freedom of axial rotation movement is provided by the bearing, so that the friction force born by the shaft during rotation movement is also greatly reduced, and the performance of the multidirectional motor is improved.

Description

Multidirectional motion motor and implementation method thereof

Technical Field

The invention belongs to the technical field of motors, and particularly relates to a multidirectional motion motor and an implementation method thereof.

Background

With the progress of technology in the daily and monthly state, the living standard of people is gradually improved, more and more automatic equipment is integrated into the life of people, and the electric toothbrush is generally accepted by people because of better cleaning strength.

The mainstream electric toothbrush in the market mostly adopts small-angle reciprocating motor as mainstream scheme, and the motor is as electric toothbrush's core component, and is huge to electric toothbrush's function realization influence, along with the promotion of customer to the requirement of product, single wobbling toothbrush motor can't satisfy customer's many scenes and the demand of many styles yet.

Therefore, it is needed to develop a multidirectional motion motor to adapt to the needs of customers, and in the practical development process, it is found that, in the practical development process, the multidirectional motion motor adopting the powder metallurgy sliding bearing is inevitably offset to a certain extent, so that the motor rotor is attracted by the stator core and is biased to one side, and thus the positive pressure of the shaft to the powder metallurgy sliding bearing is greatly increased, the friction between the shaft of the motor and the sliding bearing is great, and the performance of the multidirectional motion motor is greatly reduced.

Disclosure of Invention

The present invention is directed to a multi-directional motor to solve the above-mentioned problems. The multidirectional motion motor provided by the invention has the characteristics that the traditional deep groove ball bearing can be used, the friction of the degree of freedom in the rotation direction is greatly reduced, and the multidirectional motion function of the motor can be realized.

The invention further aims to provide a method for realizing the multidirectional motion motor.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a multidirectional motion motor, including the rotating electrical machines body, the rotating electrical machines body includes the casing, the inside of casing is connected with the axle through the bearing, be connected with stator module on the inner wall of casing, epaxial be connected with stator module corresponding rotor module, the outside both ends of casing are connected with the lug respectively, the end side of lug is connected with axial shell fragment, the outer lane of axial shell fragment is connected with support housing, connect through the curb plate between two support housing, be connected with the tailstock on one of them support housing, the internal connection of tailstock has axial drive coil, epaxial be connected with axial drive magnet steel group corresponding of axial drive coil.

In order to facilitate the assembly of the bearing and the stator core with the housing, the housing further comprises a bilateral symmetrical two-part structure.

In order to greatly reduce the friction force born by the shaft during the rotation movement, the bearing is a deep groove ball bearing, and the bearing is connected inside a boss of the casing.

In order to drive the motor to rotate, the stator assembly further comprises a stator core, a rotary driving coil is wound on the stator core, the rotor assembly comprises a rotor core, and a plurality of rotary driving magnetic steels are connected to the rotor core.

In order to be used as the coiling support frame of the rotary driving coil, the rotary driving coil is supported and fixed simultaneously, the rotary driving coil can be separated from the stator core, the insulation reliability of the rotary driving coil is guaranteed, and furthermore, the stator core is connected with a framework, and the rotary driving coil is coiled on the framework.

In order to increase the driving force of the axial movement, further, the axial driving magnetic steel group comprises two axial driving magnetic steels, and a pole piece is arranged between the two axial driving magnetic steels.

In order to heighten the side plate, the side plate is prevented from being contacted with the shell, so that friction force is prevented from being generated between the shell and the side plate during axial movement, and further, a base plate is connected between the side plate and the support shell.

In order to provide a welding surface for the connection between the lug and the axial spring, further, a baffle is connected to the end side of the lug, and the baffle is connected with the inner ring of the axial spring.

In order to ensure the flatness and stability of the bonded axial driving coils and further ensure the axial driving force, a tailstock assembling and positioning surface is arranged on the periphery of the tailstock, and an axial driving coil thread end avoiding groove is formed in the tailstock.

In order to conveniently lead out the wire heads of the rotary driving coils, the electric conduction is convenient, and furthermore, the shell and the convex blocks are provided with rotary driving coil lead-out holes.

In the invention, the implementation method of the multidirectional motion motor comprises the following steps:

the first, the axle is connected with chassis through the bearing, the rotor assembly on the axle cooperates with stator assembly inside chassis to carry on the rotary motion of the drive shaft, form the body of the rotary electric machine;

the shell is connected with the support shell through the convex blocks, the two support shells are connected through the side plates, the rotating motor body is used as an axially moving vibrator, and the axially moving reciprocating elastic force is provided through the axial elastic pieces;

and thirdly, one of the support shells is connected with a tailstock, the interior of the tailstock is connected with an axial driving coil, an axial driving magnetic steel set corresponding to the axial driving coil is connected on the shaft, and the axial driving magnetic steel set and the axial driving coil are matched to drive the rotating motor body to axially move.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the motor, the rotor assembly and the stator assembly are matched with the driving shaft to perform rotary motion, and the axial driving coil and the axial driving magnetic steel set are matched with the driving shaft to perform axial motion, so that multidirectional vibration of the motor is realized;

2. according to the invention, the rotating motor body is used as an axially moving vibrator, the degree of freedom of axial movement is provided by the axial spring, the axially moving vibrator is suspended by the axial spring, the friction force born by the vibrator is reduced, and the degree of freedom of axial rotation movement is provided by the bearing, so that the friction force born by the shaft during rotation movement is also greatly reduced, and the performance of the multidirectional motor is improved;

3. the shell comprises a bilateral symmetrical two-part structure, so that the assembly of the bearing, the stator iron core and the shell is facilitated;

4. the bearing is a deep groove ball bearing, and the bearing is connected inside a boss of the shell, so that the friction force born by the shaft during rotary motion is greatly reduced;

5. the base plate is connected between the side plate and the support shell, and the side plate is raised by the base plate, so that the side plate is prevented from being contacted with the shell, and friction force between the shell and the side plate during axial movement is avoided;

6. the periphery of the tailstock is provided with the tailstock assembling and positioning surface, and the inside of the tailstock is provided with the axial driving coil thread end avoiding groove, so that the flatness and the stability of the bonded axial driving coil are ensured, and the axial driving force is ensured.

Drawings

FIG. 1 is a schematic diagram of an explosion of a structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a schematic cross-sectional structure of the rotary electric machine body of the present invention;

FIG. 4 is a schematic view of the tailstock of the present invention;

FIG. 5 is a schematic view of a bump according to the present invention;

FIG. 6 is a schematic diagram of an axial driving magnet steel set according to the present invention;

FIG. 7 is a schematic view of the electromagnetic drive of the rotary motion of the present invention;

FIG. 8 is a schematic view of an electromagnetic drive for axial movement in accordance with the present invention;

in the figure: 1. a support housing; 2. an axial spring plate; 3. a bump; 31. the boss of the chassis is assembled with the locating surface; 32. a rotary driving coil leading-out hole; 4. a housing; 5. a skeleton; 6. a rotary driving coil; 7. rotationally driving the magnetic steel; 8. axially driving the magnetic steel group; 81. axially driving the magnetic steel; 82. a pole piece; 9. a tailstock; 91. a tailstock assembling and positioning surface; 92. axially driving the coil wire end avoidance groove; 10. an axial drive coil; 11. a shaft; 12. a backing plate; 13. a side plate; 14. a stator core; 15. a bearing; 16. a baffle; 17. and a rotor core.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1-8, the present invention provides the following technical solutions: the utility model provides a multidirectional motion motor, including the rotating electrical machines body, the rotating electrical machines body includes casing 4, the inside of casing 4 is connected with axle 11 through bearing 15, be connected with stator module on the inner wall of casing 4, be connected with the rotor module corresponding with stator module on the axle 11, the outside both ends of casing 4 are connected with lug 3 respectively, be equipped with casing boss assembly locating surface 31 on the lug 3, casing boss assembly locating surface 31 forms shaft hole location assembly with the boss of casing 4, through glue fixed bonding, the end side of lug 3 is connected with axial shell fragment 2, the outer lane of axial shell fragment 2 passes through laser welding with support housing 1 and connects, connect through curb plate 13 between two support housing 1, curb plate 13 is equipped with two altogether, two curb plate 13 symmetrical connection are in the both sides of support housing 1, be connected with tailstock 9 on one of them support housing 1, the internal connection of tailstock 9 has axial drive coil 10, axial drive coil 10's material is the self-adhesive enamelled copper line, axial drive coil 10 after having wound is fixed on the inner wall of tailstock 9 through glue, be connected with axial drive magnet steel group 8 corresponding with axial drive coil 10 on the axle 11.

By adopting the technical scheme, the rotor assembly and the stator assembly are matched with the driving shaft 11 to perform rotary motion, and the axial driving coil 10 and the axial driving magnetic steel group 8 are matched with the driving shaft 11 to perform axial motion, so that multidirectional vibration of the motor is realized; according to the invention, the rotating motor body is used as an axially moving vibrator, the degree of freedom of axial movement is provided by the axial spring plate 2, the axially moving vibrator is suspended by the axial spring plate 2, the friction force born by the vibrator is reduced, the degree of freedom of the rotating movement of the shaft 11 is provided by the bearing 15, and the friction force born by the shaft 11 during the rotating movement is also greatly reduced, so that the performance of the multidirectional motor is improved.

Specifically, the casing 4 includes a two-part structure that is bilaterally symmetrical.

By adopting the technical scheme, the assembly of the bearing 15, the stator core 14 and the casing 4 is facilitated.

Specifically, the bearing 15 is a deep groove ball bearing, and the bearing 15 is fixed inside the boss of the casing 4 by riveting.

By adopting the technical scheme, the friction force born by the shaft 11 during the rotation motion is greatly reduced.

Specifically, the stator assembly includes stator core 14, and stator core 14 bonds on the inner wall of casing 4 through glue, and the coiling has rotary driving coil 6 on the stator core 14, and rotary driving coil 6's material is enamelled copper wire, and two rotary driving coils 6 series connection, rotor assembly include rotor core 17, and rotor core 17 is fixed with the fixed connection of gluing through riveting with the axle 11, is connected with four rotary driving magnet steel 7 on the rotor core 17, and rotary driving magnet steel 7 and rotor core 17 pass through glue bonding, provide the magnetic field for rotary motion.

By adopting the technical scheme, the rotary driving coil 6 is electrified to generate an electric field, and the electric field interacts with a magnetic field generated by the rotary driving magnetic steel 7 to drive the motor to rotate.

Specifically, the axial driving magnetic steel group 8 includes two axial driving magnetic steels 81, a pole piece 82 is disposed between the two axial driving magnetic steels 81, and the two axial driving magnetic steels 81 and the pole piece 82 are adhered to the shaft 11 through glue.

By adopting the technical scheme, the driving force of the axial movement is increased.

Example 2

This embodiment differs from embodiment 1 in that: specifically, the stator core 14 is connected with a frame 5, and the rotary driving coil 6 is wound on the frame 5.

Through adopting above-mentioned technical scheme, skeleton 5 is as the coiling support frame of rotary drive coil 6, holds fixed rotary drive coil 6 simultaneously, can also separate rotary drive coil 6 and stator core 14, guarantees its insulating reliability.

Example 3

This embodiment differs from embodiment 1 in that: specifically, a backing plate 12 is connected between the side plate 13 and the support housing 1, and the side plate 13, the backing plate 12 and the support housing 1 are fixed by laser welding.

Through adopting above-mentioned technical scheme, through backing plate 12 bed hedgehopping curb plate 13, avoid curb plate 13 and casing 4 contact to make the rotating electrical machines body that is axial motion direction oscillator hang in the clearance department of both sides board 13, provide axial motion oscillator's motion space, also can protect axial motion motor oscillator simultaneously, make things convenient for follow-up customer end assembly.

Example 4

This embodiment differs from embodiment 1 in that: specifically, the end side of the bump 3 is connected with a baffle 16, the baffle 16 and the bump 3 are bonded by glue or directly injection-molded, the embodiment is preferably glue bonding, and the baffle 16 and the inner ring of the axial spring 2 are connected by laser welding.

By adopting the above technical scheme, the welding surface is provided for the connection between the lug 3 and the axial spring plate 2 through the baffle 16.

Example 5

This embodiment differs from embodiment 1 in that: specifically, a tailstock assembly positioning surface 91 is arranged on the periphery of the tailstock 9, the tailstock 9 is fixed with the inner surface of the casing 4 through riveting assembly through the tailstock assembly positioning surface 91, and an axial driving coil thread end avoiding groove 92 is formed in the tailstock 9.

By adopting the technical scheme, the flatness and stability of the bonded axial driving coil 10 are ensured, and the axial driving force is ensured.

Specifically, the casing 4 and the bump 3 are provided with a rotation driving coil lead-out hole 32.

By adopting the technical scheme, the wire ends of the rotary driving coil 6 are conveniently led out, and the power-on is convenient.

Example 6

Further, the implementation method of the multidirectional motion motor comprises the following steps:

the shaft 11 is connected with the shell 4 through a bearing 15, and a rotor assembly on the shaft 11 and a stator assembly in the shell 4 are matched with the driving shaft 11 to perform rotary motion to form a rotary motor body;

secondly, the shell 4 is connected with the support shell 1 through the convex blocks 3, the two support shells 1 are connected through the side plates 13, the rotating motor body is used as an axially moving vibrator, and the axially moving reciprocating elastic force is provided through the axial elastic pieces 2;

and thirdly, one of the support shells 1 is connected with a tailstock 9, the interior of the tailstock 9 is connected with an axial driving coil 10, the shaft 11 is connected with an axial driving magnetic steel set 8 corresponding to the axial driving coil 10, and the axial driving magnetic steel set 8 and the axial driving coil 10 are matched to drive the rotating motor body to axially move.

In summary, the rotor assembly and the stator assembly are matched with the driving shaft 11 to perform rotary motion, and the axial driving coil 10 and the axial driving magnetic steel set 8 are matched with the driving shaft 11 to perform axial motion, so that multidirectional vibration of the motor is realized; according to the invention, the rotating motor body is used as an axially moving vibrator, the freedom degree of axial movement is provided by the axial spring plate 2, the axially moving vibrator is suspended by the axial spring plate 2, the friction force born by the vibrator is reduced, and the freedom degree of the rotating movement of the shaft 11 is provided by the bearing 15, so that the friction force born by the shaft 11 during the rotating movement is also greatly reduced, and the performance of the multidirectional motor is improved; the shell 4 of the invention comprises a bilateral symmetrical two-part structure, which is convenient for assembling the bearing 15, the stator core 14 and the shell 4; the bearing 15 is a deep groove ball bearing, and the bearing 15 is connected inside a boss of the casing 4, so that the friction force born by the shaft 11 during rotary motion is greatly reduced; the base plate 12 is connected between the side plate 13 and the support shell 1, and the side plate 13 is raised by the base plate 12, so that the side plate 13 is prevented from being contacted with the shell 4, and friction force between the shell 4 and the side plate 13 during axial movement is avoided; the periphery of the tailstock 9 is provided with the tailstock assembling and positioning surface 91, and the inside of the tailstock 9 is provided with the axial driving coil thread end avoiding groove 92, so that the flatness and the stability of the bonded axial driving coil 10 are ensured, and the axial driving force is ensured.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A multidirectional motion motor, includes the rotating electrical machines body, its characterized in that: the rotating motor body comprises a casing, a shaft is connected to the inside of the casing through a bearing, a stator assembly is connected to the inner wall of the casing, a rotor assembly corresponding to the stator assembly is connected to the shaft, protruding blocks are connected to the two ends of the outside of the casing respectively, axial elastic pieces are connected to the end sides of the protruding blocks, a supporting shell is connected to the outer ring of the axial elastic pieces, the two supporting shells are connected through side plates, a tailstock is connected to one supporting shell, an axial driving coil is connected to the inner portion of the tailstock, and an axial driving magnetic steel set corresponding to the axial driving coil is connected to the shaft.

2. A multidirectional motion motor as in claim 1, wherein: the shell comprises a bilateral symmetry two-part structure, the bearing is a deep groove ball bearing, and the bearing is connected inside a boss of the shell.

3. A multidirectional motion motor as in claim 1, wherein: the stator assembly comprises a stator core, a rotary driving coil is wound on the stator core, the rotor assembly comprises a rotor core, and a plurality of rotary driving magnetic steels are connected to the rotor core.

4. A multidirectional motion motor according to claim 3, wherein: the stator core is connected with a framework, and the rotary driving coil is wound on the framework.

5. A multidirectional motion motor as in claim 1, wherein: the axial driving magnetic steel group comprises two axial driving magnetic steels, and a pole piece is arranged between the two axial driving magnetic steels.

6. A multidirectional motion motor as in claim 1, wherein: a backing plate is connected between the side plate and the support shell.

7. A multidirectional motion motor as in claim 1, wherein: the end side of the lug is connected with a baffle, and the baffle is connected with the inner ring of the axial spring plate.

8. A multidirectional motion motor as in claim 1, wherein: the periphery of the tailstock is provided with a tailstock assembling and positioning surface, and the inside of the tailstock is provided with an axial driving coil thread end avoiding groove.

9. A multidirectional motion motor as in claim 1, wherein: the shell and the convex blocks are respectively provided with a rotary driving coil leading-out hole.

10. A method of implementing a multidirectional-motion motor according to any one of claims 1-9, comprising the steps of:

the first, the axle is connected with chassis through the bearing, the rotor assembly on the axle cooperates with stator assembly inside chassis to carry on the rotary motion of the drive shaft, form the body of the rotary electric machine;

the shell is connected with the support shell through the convex blocks, the two support shells are connected through the side plates, the rotating motor body is used as an axially moving vibrator, and the axially moving reciprocating elastic force is provided through the axial elastic pieces;

and thirdly, one of the support shells is connected with a tailstock, the interior of the tailstock is connected with an axial driving coil, an axial driving magnetic steel set corresponding to the axial driving coil is connected on the shaft, and the axial driving magnetic steel set and the axial driving coil are matched to drive the rotating motor body to axially move.