CN114123704A - Swing telescopic combined motor - Google Patents
Swing telescopic combined motor Download PDFInfo
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- CN114123704A CN114123704A CN202111299391.8A CN202111299391A CN114123704A CN 114123704 A CN114123704 A CN 114123704A CN 202111299391 A CN202111299391 A CN 202111299391A CN 114123704 A CN114123704 A CN 114123704A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
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Abstract
A swing telescopic combined motor comprises a swing part, a telescopic part and a middle support part; the swing part, the middle supporting part and the telescopic part are sequentially connected into a whole; the swinging part comprises a first shell, swinging stators and swinging rotors, wherein at least one pair of swinging stators are symmetrically arranged in the first shell, and the swinging rotors are arranged between the swinging stators; the first linear bearing is arranged and sleeved at the front section of the rotating shaft, the tail end of the rotating shaft is connected with the middle supporting piece, and the bearing arranged in the middle supporting piece is sleeved at the tail end of the rotating shaft; the telescopic part comprises a second shell, a telescopic driving coil, a telescopic bracket and a telescopic magnet, the telescopic magnet is fixed on the telescopic bracket, and the front end of the telescopic bracket is connected with the tail end of the rotating shaft through a bearing; the middle supporting piece is a cylinder body, and a linear sliding seat is arranged in the cylinder body. The invention makes the motor form a complex space three-dimensional track motion, and is more suitable for a reciprocating motion system.
Description
Technical Field
The invention relates to a motor, in particular to a motor combining horizontal swing and axial extension.
Background
The existing sound wave motor mainly adopts a single motion mode of left-right swinging or axial expansion and contraction, and cannot be adapted to occasions requiring the requirements of swinging and expansion and contraction at the same time.
Disclosure of Invention
The invention aims to provide a swing telescopic combined motor which can realize left-right swing and axial front-back telescopic at the same time.
The purpose of the invention can be realized by designing a swing telescopic combined motor, which comprises a swing part, a telescopic part and a middle support part; the swing part, the middle supporting part and the telescopic part are sequentially connected into a whole;
the swinging part comprises a first shell, swinging stators and swinging rotors, wherein at least one pair of swinging stators are symmetrically arranged in the first shell, and the swinging rotors are arranged between the swinging stators; the swing stator comprises a swing stator core and a swing stator coil, and the swing stator coil is arranged on the swing stator core; the swing rotor comprises a rotating shaft, a rotating core and a permanent magnet, the rotating shaft is fixed on the central axis of the rotating core, and the permanent magnet is fixedly arranged on the rotating core; the first linear bearing is arranged and sleeved at the front section of the rotating shaft, the tail end of the rotating shaft is connected with the middle supporting piece, and the bearing arranged in the middle supporting piece is sleeved at the tail end of the rotating shaft;
the telescopic part comprises a second shell, a telescopic driving coil, a telescopic bracket and a telescopic magnet, the telescopic magnet is fixed on the telescopic bracket, and the front end of the telescopic bracket is connected with the tail end of the rotating shaft through a bearing; the two telescopic drive coils are oppositely arranged, the telescopic magnets are arranged between the two telescopic drive coils, and the winding directions of the telescopic drive coils are the same;
the middle supporting piece is a cylinder body, and a linear sliding seat is arranged in the cylinder body.
Preferably, the rotary bearing is sleeved at the tail end of the rotating shaft, the front end section of the telescopic support is provided with a bearing seat, the rotary bearing is installed in the bearing seat, the front end section of the telescopic support is installed in a linear sliding seat of the middle supporting piece, and the telescopic support can move back and forth relative to the middle supporting piece.
Preferably, the linear sliding seat is provided with a second linear bearing in which the front end section of the telescopic bracket is mounted.
Preferably, 2 permanent magnets of the swing rotor are arranged symmetrically, and the magnetic pole direction of the permanent magnets is orthogonal to the magnetic pole direction of the stator on the central line of the stator; or 4 permanent magnets of the swing rotor are arranged, two permanent magnets on one side are symmetrically placed and embedded on the rotary core along the arc surface of the rotor relative to the central line of the stator, magnetic poles are arranged in sequence along the normal direction of the arc surface and in opposite directions, the permanent magnets are placed end to end along the arc surface, gaps are reserved among the permanent magnets, the gaps are filled by the rotary core iron core, and the filling surface is close to one side of the stator and lower than the outer surface of the permanent magnet; the magnetic pole directions of the two permanent magnets form a group of magnets along the normal direction of the arc surface, and the magnetic pole directions of the stator are orthogonal on the central line of the stator.
Preferably, the swing stator is symmetrically arranged with the swing central axis as the center, and has an arc surface facing the swing axis shaft side, both ends of the arc surface are provided with torque control angles, the torque control angle position is changed from the arc surface to a plane, the included angle of the plane facing the swing central axis side on the central axis of the arc surface is less than or equal to 90 degrees, the torque control angle is controlled by the arc length angle, and the distance between the rotor magnets is less than the distance between the two torque control angles on the single-side stator.
Preferably, a telescopic stator core is provided, the telescopic drive coil being mounted on the telescopic stator core.
Preferably, the telescopic bracket is provided with a telescopic iron core, and the telescopic magnets are respectively arranged on two sides of the telescopic iron core.
Preferably, a telescopic guide rail bracket is provided, which guides and limits the rear displacement direction of the telescopic bracket.
Preferably, the magnetic pole direction of the telescopic magnet is parallel to the telescopic motion plane; two telescopic magnets are arranged in the telescopic direction and have opposite magnetic pole directions, or the telescopic magnets are arranged in 4 groups, two groups of magnets are symmetrical relative to the telescopic motion plane and have opposite magnetic pole directions, two groups of magnets are arranged on the same plane, the magnetic pole directions are the same, and gaps are formed at intervals.
Preferably, the direction of the magnetic pole of the telescopic magnet is orthogonal to the telescopic motion plane and opposite to the telescopic motion plane; set up two flexible magnet interval arrangements on flexible direction, perhaps, set up 4 flexible magnet, two are a set of, and the plane that every group magnet constitutes is perpendicular with flexible plane, and two sets of magnet interval arrangements on the planar flexible direction of concertina movement, the magnetic pole direction of every group magnet and the perpendicular and the same by the iron core interval of orientation of flexible plane direction, two sets of magnet are opposite at the magnetic pole direction.
Preferably, flexible stator core includes iron core body, iron core post, and an iron core body and an iron core post are the T word form and arrange and form an iron core, and two iron core symmetric arrangement, the iron core post are relative, and the terminal surface of iron core post is the plane, and the terminal surface of two iron core posts is parallel.
Preferably, the end faces of the core legs extend all around to form end plates.
The invention can make the motion of the motor form a complex space three-dimensional track motion, including various changeable motion forms such as circular motion, 8-shaped motion and the like; is suitable for use in reciprocating systems, such as electric toothbrushes, skin care devices, and the like.
Drawings
FIG. 1 is a schematic diagram of a preferred embodiment of the present invention;
FIG. 2 is an exploded view of the preferred embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a preferred embodiment of the present invention;
FIG. 4 is a schematic view of a swing portion according to a preferred embodiment of the present invention;
FIG. 5 is a cross-sectional view of the swinging portion according to the preferred embodiment of the present invention;
FIG. 6 is a schematic view of a wobble stator, wobble rotor arrangement 1 of a preferred embodiment of the present invention;
FIG. 7 is a schematic view of a wobble stator, wobble rotor arrangement 2 in accordance with a preferred embodiment of the present invention;
FIG. 8 is a schematic view of an intermediate support frame according to a preferred embodiment of the present invention;
FIG. 9 is a cross-sectional view of an intermediate support according to a preferred embodiment of the present invention;
FIG. 10 is a cross-sectional view of an intermediate support according to a preferred embodiment of the present invention;
FIG. 11 is a schematic view of the telescoping section of the preferred embodiment of the invention;
FIG. 12 is a cross-sectional view of the telescoping section of the preferred embodiment of the invention;
FIG. 13 is a schematic view of a telescoping support according to the preferred embodiment of the invention;
FIG. 14 is a schematic view of a telescopic magnet and a telescopic core according to a preferred embodiment of the present invention;
FIG. 15 is a schematic view of the telescoping stator core and the telescoping drive coils of the preferred embodiment of the invention;
fig. 16 is a schematic view of a telescoping stator core according to a preferred embodiment of the invention.
Part number: the swing part comprises a swing part 1, a middle support part 2, a telescopic part 3, a first shell 10, a swing stator 11, a swing rotor 12, a first linear bearing 13, a bearing 14, a swing part connecting end 21, a first stop 22, a telescopic part connecting end 23, a linear sliding seat 24, a second linear bearing 25, a lead port 26, a second shell 30, a telescopic driving coil 31, a telescopic support 32, a telescopic magnet 33, a telescopic iron core 34, a telescopic stator iron core 35, a telescopic guide rail bracket 36, a swing stator core 110, a swing stator coil 111, a swing stator torque control angle 113, a rotating shaft 121, a rotating core 122, a permanent magnet 123, a front end section 321 of the telescopic support, a telescopic support convex sliding point 323, a telescopic magnet mounting groove 325, an iron core body 351, an iron core column 352 and an end panel 353.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 1 and 2, a swing telescopic combined motor includes a swing portion 1, a telescopic portion 3 and a middle support 2; are sequentially connected into a whole. As shown in fig. 3, 4 and 5, the swing portion 1 includes a first housing 10, a swing stator 11, and a swing rotor 12, wherein at least one pair of swing stators 11 are provided and symmetrically arranged in the first housing 10, and the swing rotor 12 is provided between the swing stators 11; the oscillating stator 11 includes an oscillating stator core 110, an oscillating stator coil 111, the oscillating stator coil 111 being mounted on the oscillating stator core 110; the swing rotor 12 comprises a rotating shaft 121, a rotating core 122 and a permanent magnet 123, wherein the rotating shaft 121 is fixed on the central axis of the rotating core 122, and the permanent magnet 123 is fixedly arranged on the rotating core 122; the first linear bearing 13 is arranged, the first linear bearing 13 is sleeved on the front section of the rotating shaft 121, the tail end of the rotating shaft 121 is connected with the middle supporting piece 2, and the bearing sleeve arranged in the middle supporting piece 2 is sleeved on the tail end of the rotating shaft 121. The motor extending shaft is a swinging shaft, and the extending end is restrained by a linear bearing. The end of the motor swinging shaft is combined by a linear bearing or a rotating bearing to form a shaft connector.
The central lines of the two swing stator coils 111 are positioned on the motor axial plane and are orthogonal to the magnetic pole direction of the swing rotor 12 on the stator central line, the permanent magnets 123 are symmetrically distributed along an arc, the magnetic pole directions of the two groups of permanent magnets are consistent with the orthogonal direction of the central line axial plane of the stator magnetic pole, the permanent magnets 123 can be arc magnets, the polarity of the arc magnets is normal to the arc surface, but the formed magnet groups form the orthogonal direction on the axial plane position of the central line of the stator coil. As shown in fig. 7, the permanent magnets of the oscillating rotor are arranged in 2 numbers, symmetrically, and the magnetic pole direction of the permanent magnet is orthogonal to the magnetic pole direction of the stator on the center line of the stator. Or, as shown in fig. 6, 4 permanent magnets are arranged on the swing rotor, two magnets on one side are symmetrically arranged along an arc surface relative to the center line of the stator, the polarity is embedded on the rotating core along the arc normal direction, the magnets are separated by the rotating core from head to tail, the outer surface of the iron core separation area is lower than the outer arc surface of the magnets, the magnetic pole directions of the two magnets form a group of magnets along the respective arc surface normal directions with opposite polarities, and the magnetic pole directions and the stator magnetic pole directions are orthogonal at the center line of the stator. The outer surface of the iron core separation area is at least 0.2mm lower than the outer arc surface of the magnet; in this example, the thickness was 0.25 mm. In the scheme of 4 magnets, the magnet gap close to the stator core is greater than the distance of the magnet gap far away from the stator core, the purpose of the design is that the torque output of the motor under the condition of the same function current control can be improved to the maximum extent, meanwhile, the filling surface of the rotor core in the magnet gap close to the stator core is not higher than the surface of the magnet, 1/2 lower than the thickness of the magnet is more favorable for utilizing the optimization of magnet leakage, the torque output of the motor is improved, the quality of the rotor core is also favorable for reducing the quality of the rotor core, the load of the motor under no load is reduced, the motor energy is improved, the gap is mainly used for fixing the magnet, and the magnetic force line is guided to form an orthogonality with the stator magnetic field at the position of the center line of the stator.
As shown in fig. 6 and 7, a torque control angle 113 is disposed on one side of the swing stator facing the rotor, the torque control angle is formed by connecting an arc surface and a plane, and different torque curve characteristics can be generated by the motor through different arc lengths of the arc surface, such as low-swing high-torque or high-swing high-torque, or return-positive torque when the coil current is reversed at a specific swing angle is higher than continuous transmission torque when the current is not reversed, and the like. The swing stator is symmetrical towards a swing central axis, an arc surface is arranged on the side towards a swing axis center shaft, torque control angles are arranged at two ends of the arc surface, the torque control angle position is changed from the arc surface to a plane, an included angle of the plane, which is positioned on the center axis of the arc surface and faces towards the swing central axis side, is smaller than or equal to 90 degrees, the torque control angles are controlled through arc length angles, and are related to the space size of rotor magnets, wherein the space size of the rotor magnets is smaller than the distance between the two torque control angles on the single-side stator, the distance relation is used for controlling torque output characteristic curve requirements of the motor, the torque output characteristic curve requirements comprise low swing angle high torque or high swing angle high torque and the like, the torque control angle also comprises a return-to-positive torque which can be connected after current reversal under a specific swing angle is higher than or lower than the pushing torque under the condition that the current direction is unchanged, and torque parameters and the like for optimizing typical working frequency of the motor.
As shown in fig. 3, 11 and 12, the telescopic part 3 includes a second housing 30, a telescopic driving coil 31, a telescopic bracket 32 and a telescopic magnet 33, the telescopic magnet 33 is fixed on the telescopic bracket 32, and the front end of the telescopic bracket 32 is connected with the end of the rotating shaft 121 through a bearing 14; the two telescopic driving coils 31 are oppositely arranged, the telescopic magnet 33 is arranged between the two telescopic driving coils 31, and the winding directions of the telescopic driving coils 31 are the same.
As shown in fig. 8 and 9, the middle supporting member 2 is a cylinder, and a linear sliding seat 24 is arranged in the cylinder.
The invention connects the swing shaft and the telescopic shaft by using the bearing, limits the independent degree of freedom, and improves the noise caused by the shake in the swing or the telescopic process by using the constraint of the independent degree of freedom. The swing freedom degree of the motor is restricted by a rotary bearing, the telescopic freedom degree of the motor is restricted by a linear bearing, the linear bearing can be a ball bearing, a self-lubricating shaft sleeve, a magnetic suspension bearing and the like, and the rotary bearing can be a ball bearing, a self-lubricating shaft sleeve, a magnetic suspension bearing and the like.
As shown in fig. 8 and 9, one end of the middle supporting member 2 is a swing portion connecting end 21, the other end is a telescopic portion connecting end 23, a first stop 22 is arranged on the outer surface of the middle of the cylinder, and the first stop 22 is arranged along the outer surface of the middle of the cylinder to form a closed loop. The first stopper 22 is provided with a lead port 26. The swing part connecting end 21 is inserted into the tail end of the swing part, the telescopic part connecting end 23 is inserted into the front end of the telescopic part, and the outer surface of the first stop table 22 is flush with the outer surfaces of the swing part and the telescopic part.
Or, the inner surface of the middle part of the cylinder body is provided with a second stop table, the tail end of the swinging part is inserted into the cylinder body of the middle supporting part 2, and the front end of the telescopic part is inserted into the cylinder body of the middle supporting part 2.
As shown in fig. 3, the rotary bearing 14 is sleeved on the end of the rotating shaft 121, the front end section 321 of the telescopic bracket 32 is provided with a bearing seat, the rotary bearing 14 is installed in the bearing seat, the front end section 321 of the telescopic bracket is installed in the linear sliding seat 24 of the middle supporting member, and the telescopic bracket 32 can move back and forth relative to the middle supporting member 2. The linear sliding seat 24 is made of a self-lubricating material to meet the lubricating requirement, and is directly made of a middle support, so that the cost and the assembly process are saved.
Alternatively, as shown in fig. 10, the linear slide bearing 24 is provided with a second linear bearing 25, and the front end 321 of the telescopic support is mounted in the second linear bearing 25. The need for lubrication of the telescopic carriage 32 to move back and forth relative to the central support 2 is provided by the second linear bearing 25.
As shown in fig. 11, a telescopic stator core 35 is provided, and the telescopic driving coil 31 is attached to the telescopic stator core. The telescopic stator is of a flat structure and is constrained by a linear bearing to have a degree of freedom of fore-and-aft expansion. The flexible stator of flat structure is favorable to the maximize and utilizes permanent magnet magnetic field and toroidal coil's magnetic field utilization ratio, improves the flexible power and the electromagnetic efficiency of motor.
As shown in fig. 12, the telescopic bracket 32 is provided with a telescopic iron core 34, and telescopic magnets 33 are respectively provided on both sides of the telescopic iron core 34; the provision of the telescopic core 34 is advantageous to maximize the magnetic field utilization efficiency of the permanent magnet magnetic field. A telescopic guide rail bracket 36 is provided, and the telescopic guide rail bracket 36 guides and limits the displacement direction of the telescopic bracket 32. As shown in fig. 13, the telescopic bracket 32 is provided with a telescopic magnet mounting groove 325 for accommodating the telescopic magnet 33, and the telescopic bracket 32 is provided with a plurality of convex sliding points 323 for reducing sliding resistance.
As shown in fig. 14, the pole direction of the telescopic magnet is parallel to the telescopic motion plane; two telescopic magnets are arranged in the telescopic direction and have opposite magnetic pole directions, or 4 telescopic magnets are arranged in two groups, two groups of magnets are symmetrical relative to the telescopic motion plane and have opposite magnetic pole directions, and a distance is reserved between the two groups of magnets; the two magnets of one group are arranged on a plane perpendicular to the stretching direction and are connected in a separated mode through iron cores, and the magnetic pole directions are the same. This magnet design purpose is parallel with flexible stator magnetic field direction at motor telescopic bracket magnetic field direction, and two sets of magnetic field opposite direction, thereby form annular magnetic line structure under with flexible stator core combined action, the annular magnetic line of force that forms different distortions along with flexible stator core's magnetic field changes promotes telescopic bracket and produces concertina movement, through the clearance distance of adjusting two sets of magnet, can optimize the flexible power size and the direction under the different flexible range, wherein stator core's thickness is greater than the clearance distance of two sets of magnet in the telescopic bracket.
As shown in fig. 15, the stator core 35 includes a core body 351 and core legs 352, the core body 351 and the core legs 352 are arranged in a T shape to form a core, the two cores are symmetrically arranged, the core legs are opposite, the end surfaces of the core legs 352 are planes, and the end surfaces of the two core legs 352 are parallel. The two sides of the iron core body 351 extend along the inner wall of the shell, and the two iron core bodies are combined to form a surrounding closed shape. The overall shape formed by the two iron core bodies in a combined mode can be irregular. The telescoping drive coils 31 are shown with one side removed to facilitate the display of the telescoping stator core 35.
As shown in fig. 16, the end face of the core limb extends all around to form an end face plate 353. The end plate 353 increases the end surface area, and maximizes the magnetic field utilization efficiency of the telescopic drive coil 31.
The invention has the advantages that the movement of the motor is combined with the movement in 4 directions, the movement in each direction is independently controlled by a program, and the front-back movement and the left-right swinging dimension are in an orthogonal structure, so that the movement of the motor can form a complex space three-dimensional track movement under the condition of independent control of the front-back movement and the left-right swinging dimension, and the movement forms comprise variable movement forms such as circular movement, 8-shaped movement and the like. The motion trail of the spatial stereo feature is suitable for being used in a reciprocating system (such as an electric toothbrush, skin care equipment and the like).
The invention has small telescopic load and saves the mass superposition of the swinging movement; the magnetic suspension design has low noise and resistance and long service life; the fixing position is good, and the shock absorption is good; the manufacturing cost is low, and the coil is convenient to wind; the motor has good rotating dynamic balance, symmetrical motor shaft center, low noise and small vibration. The motion of the bristles can be controlled in a three-dimensional manner in the application of toothbrushes and the like.
Claims (12)
1. A swing telescopic combined motor is characterized in that: comprises a swinging part, a telescopic part and a middle support part; the swing part, the middle supporting part and the telescopic part are sequentially connected into a whole;
the swinging part comprises a first shell, swinging stators and swinging rotors, wherein at least one pair of swinging stators are symmetrically arranged in the first shell, and the swinging rotors are arranged between the swinging stators; the swing stator comprises a swing stator core and a swing stator coil, and the swing stator coil is arranged on the swing stator core; the swing rotor comprises a rotating shaft, a rotating core and a permanent magnet, the rotating shaft is fixed on the central axis of the rotating core, and the permanent magnet is fixedly arranged on the rotating core; the first linear bearing is arranged and sleeved at the front section of the rotating shaft, the tail end of the rotating shaft is connected with the middle supporting piece, and the bearing arranged in the middle supporting piece is sleeved at the tail end of the rotating shaft;
the telescopic part comprises a second shell, a telescopic driving coil, a telescopic bracket and a telescopic magnet, the telescopic magnet is fixed on the telescopic bracket, and the front end of the telescopic bracket is connected with the tail end of the rotating shaft through a bearing; the two telescopic drive coils are oppositely arranged, the telescopic magnets are arranged between the two telescopic drive coils, and the winding directions of the telescopic drive coils are the same;
the middle supporting piece is a cylinder body, and a linear sliding seat is arranged in the cylinder body.
2. The swing telescope combination motor according to claim 1, wherein: the rotary bearing is sleeved at the tail end of the rotating shaft, the front end section of the telescopic support is provided with a bearing seat, the rotary bearing is installed in the bearing seat, the front end section of the telescopic support is installed in a linear sliding seat of the middle supporting piece, and the telescopic support can move back and forth relative to the middle supporting piece.
3. The swing telescope combination motor according to claim 2, wherein: the linear sliding seat is provided with a second linear bearing, and the front end section of the telescopic support is installed in the second linear bearing.
4. The swing telescope combination motor according to claim 1, wherein: 2 permanent magnets of the swing rotor are symmetrically arranged, and the magnetic pole direction of the permanent magnets is orthogonal to the magnetic pole direction of the stator on the central line of the stator; or 4 permanent magnets of the swing rotor are arranged, two permanent magnets on one side are symmetrically placed and embedded on the rotary core along the arc surface of the rotor relative to the central line of the stator, magnetic poles are arranged in sequence along the normal direction of the arc surface and in opposite directions, the permanent magnets are placed end to end along the arc surface, gaps are reserved among the permanent magnets, the gaps are filled by the rotary core iron core, and the filling surface is close to one side of the stator and lower than the outer surface of the permanent magnet; the magnetic pole directions of the two permanent magnets form a group of magnets along the normal direction of the arc surface, and the magnetic pole directions of the stator are orthogonal on the central line of the stator.
5. The swing telescope combination motor according to claim 1, wherein: the swing stator is symmetrically arranged by taking a swing central shaft as a center, an arc surface is arranged on the side facing a swing shaft center shaft, torque control angles are arranged at two ends of the arc surface, the torque control angle position is changed from the arc surface to a plane, the included angle of the plane on the side of the central shaft of the arc surface facing the swing central shaft is smaller than or equal to 90 degrees, the torque control angles are controlled by arc length angles, and the distance between rotor magnets is smaller than the distance between the two torque control angles on the stator on one side.
6. The swing telescope combination motor according to claim 1, wherein: the telescopic stator is provided with a telescopic stator core, and a telescopic driving coil is arranged on the telescopic stator core.
7. The swing telescope combination motor according to claim 1, wherein: the telescopic iron core is arranged in the telescopic support, and the telescopic magnets are respectively arranged on two sides of the telescopic iron core.
8. The swing telescope combination motor according to claim 1, wherein: the telescopic guide rail bracket is arranged and guides the rear displacement direction of the telescopic support.
9. The swing telescope combination motor according to claim 7, wherein: the magnetic pole direction of the telescopic magnet is parallel to the telescopic motion plane; set up two flexible magnets and arrange and magnetic pole opposite direction on flexible direction, or, flexible magnet sets up 4, and two are a set of, two relative concertina movement plane symmetries of two sets of magnets and magnetic pole opposite direction, and two magnets of a set of are arranged on the plane of the flexible direction of perpendicular to separate through the iron core and connect, the magnetic pole direction is the same.
10. The swing telescope combination motor according to claim 7, wherein: the direction of the magnetic pole of the telescopic magnet is orthogonal to the telescopic motion plane and opposite to the direction; set up two flexible magnet interval arrangements on flexible direction, perhaps, set up 4 flexible magnet, two are a set of, and the plane that every group magnet constitutes is perpendicular with flexible plane, and two sets of magnet interval arrangements on the planar flexible direction of concertina movement, the magnetic pole direction of every group magnet and the perpendicular and the same by the iron core interval of orientation of flexible plane direction, two sets of magnet are opposite at the magnetic pole direction.
11. The swing telescope combination motor according to claim 6, wherein: the telescopic stator core comprises a core body and a core column, wherein the core body and the core column are arranged in a T shape to form an iron core, the two iron cores are symmetrically arranged, the core columns are opposite, the end faces of the core columns are planes, and the end faces of the two core columns are parallel.
12. The swing telescope combination motor according to claim 11, wherein: the end faces of the core legs extend all around to form end face plates.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111299391.8A CN114123704A (en) | 2021-11-04 | 2021-11-04 | Swing telescopic combined motor |
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| CN202111299391.8A CN114123704A (en) | 2021-11-04 | 2021-11-04 | Swing telescopic combined motor |
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| CN114123704A true CN114123704A (en) | 2022-03-01 |
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| CN212969400U (en) * | 2020-07-28 | 2021-04-13 | 东莞市银磁磁性材料有限公司 | Improved structure type sound wave motor |
| CN111865027A (en) * | 2020-08-18 | 2020-10-30 | 浙江省东阳市东磁诚基电子有限公司 | High-frequency high-rotation-speed swing motor and implementation method thereof |
| CN213213297U (en) * | 2020-10-13 | 2021-05-14 | 克瑞科技(东莞)有限公司 | Bidirectional magnetic suspension sound wave brushless motor |
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