Reciprocating type magnetic suspension motor

Abstract

The utility model discloses a reciprocating type magnetic suspension motor. The reciprocating type magnetic suspension motor comprises a fixing frame, a stator coil module, a first rotor and a second rotor, the first rotor is provided with a first swing part, the first swing part comprises a first lower step and a first upper step, and the first upper step is connected to the lateral upper portion of the first lower step. The second rotor is provided with a second swing part, the second swing part comprises a second lower step and a second upper step, and the second upper step is connected to the lateral upper portion of the second lower step; the first upper step and the second upper step are symmetrically arranged, the first upper step is located over the second lower step, and the second upper step is located over the first lower step. According to the embodiment of the utility model, the first upper step arranged at the upper part of the first swinging piece and the second upper step arranged at the upper part of the second swinging piece are symmetrically arranged in a staggered manner, so that the dynamic mass distribution in the motor is more balanced in the swinging process of the first swinging piece and the second swinging piece, and further the generated deflection inertia is eliminated.

Description

Technical Field

[0001] This utility model relates to the field of motor technology, and in particular to a reciprocating magnetic levitation motor. Background Technology

[0002] A reciprocating magnetic levitation motor is a type of motor that uses the principle of magnetic fields to achieve rotor levitation and reciprocating oscillation. It is widely used in electric personal care devices such as shavers and electric clippers.

[0003] In the prior art, such as the utility model patent with announcement number CN216490163U, a magnetic levitation motor is disclosed. In the technical solution of this motor, two movers drive two side-by-side swinging parts to move back and forth in opposite directions.

[0004] However, when the two oscillating components in this design swing back and forth, the internal mass of the motor will be dynamically asymmetrically distributed. The swinging of the two oscillating components will continuously generate alternating deflection inertia around the central axis of the motor, which can easily cause mechanical resonance and generate noise. It can even cause the oscillation trajectory of the mover to deviate or become distorted, affecting the service life of the motor. Utility Model Content

[0005] In view of this, the present invention provides a reciprocating magnetic levitation motor to solve the problem that the swing component of the existing magnetic levitation motor is prone to generating large deflection inertia.

[0006] To achieve one or more of the above objectives or other objectives, this utility model proposes: a reciprocating magnetic levitation motor, comprising: a fixed frame, a stator coil module, a first mover and a second mover, wherein the stator coil module is mounted on the fixed frame, and the first mover and the second mover are arranged parallel above the stator coil module and are inductively connected to the stator coil module, wherein the stator coil module can drive the first mover and the second mover to reciprocate in opposite directions;

[0007] The first moving part is provided with a first swinging member, which includes a first lower step and a first upper step. The first lower step is connected to the top of the first moving part, and the first upper step is connected to the side above the first lower step.

[0008] The second moving part is provided with a second swinging member, which includes a second lower step and a second upper step. The second lower step is connected to the top of the second moving part, and the second upper step is connected to the side above the second lower step.

[0009] The first upper step and the second upper step are symmetrically arranged, and the first upper step is located directly above the second lower step, and the second upper step is located directly above the first lower step.

[0010] Preferably, a deflection limiting member is horizontally rotatably provided on the fixing frame, the rotation axis of the deflection limiting member is located at the center of symmetry of the first upper step and the second upper step, and the two ends of the deflection limiting member are respectively hinged to the first upper step and the second upper step.

[0011] Preferably, the two ends of the deflection limiting member are respectively provided with connecting clamps, a first deflection limiting shaft is vertically provided on the first upper step, and a second deflection limiting shaft is vertically provided on the second upper step. The two connecting clamps are rotatably connected to the first deflection limiting shaft and the second deflection limiting shaft respectively.

[0012] Preferably, deflection clearance openings are symmetrically provided on the opposite sidewalls of the first upper step and the second upper step, the top of the connecting clamp abuts against the inner top wall of the deflection clearance opening, and the bottom of the connecting clamp abuts against the inner bottom wall of the deflection clearance opening.

[0013] Preferably, two sets of spring pieces are respectively provided on both sides of the fixing frame, and the front and rear ends of the first mover and the second mover are respectively connected to the upper ends of the four sets of spring pieces, and the lower ends of the four sets of spring pieces are respectively connected to the fixing frame.

[0014] Preferably, spring fixing seats are provided on both sides of the fixing frame, and two sets of return springs are connected to the inner side of each spring fixing seat. The front and rear ends of the first swing member and the second swing member are respectively connected to the outer ends of the four sets of return springs.

[0015] Preferably, the tops of the first swing member and the second swing member are detachably provided with blade connectors.

[0016] Preferably, the top of the first swing member and the second swing member are provided with internally threaded connecting posts, and the bottom of the cutter head connector is provided with connecting holes, which are connected to the internally threaded connecting posts by screws.

[0017] Preferably, the top of the cutter head connector is provided with an installation notch facing upwards. A support spring, a slider, and a guide post are provided in the installation notch. The support spring and the slider are respectively sleeved on the guide post. The support spring is supported and connected to the bottom of the slider. The slider can slide up and down along the guide post in the installation notch.

[0018] Preferably, the slider has limit notches on both sides, the limit notches are slidably engaged with the inner walls of the mounting notches, and the inner walls of the mounting notches are provided with protrusions on both sides, the top of the slider can abut against the bottom of the two protrusions respectively.

[0019] Implementing the embodiments of this utility model will have the following beneficial effects:

[0020] By adopting the above-mentioned reciprocating magnetic levitation motor, the first upper step set on the upper part of the first swing member and the second upper step set on the upper part of the second swing member are symmetrically staggered, so that the dynamic mass distribution inside the motor is kept in balance during the swinging process of the first and second swing members, thereby eliminating the generated deflection inertia. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] in:

[0023] Figure 1 This is a schematic diagram of the overall structure of the reciprocating magnetic levitation motor proposed in this utility model.

[0024] Figure 2 This is an exploded structural diagram of the reciprocating magnetic levitation motor proposed in this utility model.

[0025] Figure 3 This is a schematic diagram showing the structural connection between the first and second oscillating components of the reciprocating magnetic levitation motor proposed in this utility model.

[0026] Figure 4 This is a structural breakdown diagram of the first and second oscillating components of the reciprocating magnetic levitation motor proposed in this utility model.

[0027] Figure 5 This is a schematic diagram of the overall structure of the cutter head connector of the reciprocating magnetic levitation motor proposed in this utility model;

[0028] Figure 6 This is an exploded structural diagram of the cutter head connector of the reciprocating magnetic levitation motor proposed in this utility model.

[0029] Reference numerals: 10. Fixing bracket; 11. Deflection limiting component; 111. Connecting clamp; 12. Spring piece; 13. Spring fixing seat; 14. Return spring; 20. Stator coil module; 30. First moving part; 31. First swinging part; 311. First lower step; 312. First upper step; 313. First deflection limiting shaft; 314. Deflection clearance opening; 40. Second moving part; 41. Second swinging part; 411. Second lower step; 412. Second upper step; 413. Second deflection limiting shaft; 414. Internal threaded connecting post; 50. Cutting head connecting part; 51. Connecting hole; 52. Mounting notch; 521. Protrusion; 53. Support spring; 54. Slider; 541. Limiting notch; 55. Guide post. Detailed Implementation

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein in the specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and accompanying drawings of this invention are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or accompanying drawings of this invention are used to distinguish different objects, not to describe a particular order.

[0031] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the present invention. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0032] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0033] like Figure 1-6 The image shown is an embodiment provided by this utility model.

[0034] This utility model embodiment provides a reciprocating magnetic levitation motor, including: a fixed frame 10, a stator coil module 20, a first mover 30 and a second mover 40. The stator coil module 20 is mounted on the fixed frame 10. The first mover 30 and the second mover 40 are arranged parallel above the stator coil module 20 and are electromagnetically connected to the stator coil module 20. The stator coil module 20 can drive the first mover 30 and the second mover 40 to reciprocate in opposite directions by changing the direction of the current. Specifically, the first mover 30 is provided with a first swing member 31 that can move together with the first mover 30. The first swing member 31 includes a first lower step 311 and a first upper step 312. The first upper step 312 and the first lower step 311 are parallel to each other. The first lower step 311 is connected to the top of the first mover 30, and the first upper step 312 is connected to the side above the first lower step 311. Correspondingly, the second mover 40 is provided with a second swing member 41 that can move together with the second mover 40. The second swing member 41 includes a second lower step 411 and a second upper step 412 that are parallel to each other. The second lower step 411 is connected to the top of the second mover 40, and the second upper step 412 is connected to the side above the second lower step 411.

[0035] During connection, the first swing member 31 and the second swing member 41 are arranged in a relatively intersecting manner, with the first upper step 312 and the second upper step 412 symmetrically arranged. The first upper step 312 extends towards the side where the second swing member 41 is located, and the second upper step 412 extends towards the side where the first swing member 31 is located. The first upper step 312 is located directly above the second lower step 411, and the second upper step 412 is located directly above the first lower step 311. This arrangement ensures that a portion of the weight of the first swing member 31 is distributed to one side of the second swing member 41, and a portion of the weight of the second swing member 41 is distributed to one side of the first swing member 31, with a uniform weight distribution. With this arrangement, when the first swing member 31 swings, the deflection inertia generated by the first lower step 311 can be canceled by the reverse deflection inertia of the first upper step 312. Similarly, when the second swing member 41 swings, the deflection inertia generated by the second lower step 411 can be canceled by the reverse deflection inertia of the second upper step 412. This maintains a balanced dynamic mass distribution within the motor and eliminates the generated deflection inertia. To better understand the principle of inertia elimination in this embodiment, a more relatable example is provided. For instance, in boxing, when an athlete throws a left straight punch quickly, their body tends to twist to the right; when throwing a right straight punch quickly, their body tends to twist to the left. However, when throwing both straight punches simultaneously, the body does not exhibit any twisting inertia to the left or right. The process of throwing a left straight punch is equivalent to moving forward on the first step 311, and the process of throwing a right straight punch is equivalent to moving forward on the second step 411. The first step 312 is equivalent to throwing a right straight punch simultaneously with a left straight punch, and the second step 412 is equivalent to throwing a left straight punch simultaneously with a right straight punch. Thus, the resulting deflection inertia can be eliminated.

[0036] Furthermore, a deflection limiting member 11 is horizontally rotatably mounted on the fixed frame 10. The rotation axis of the deflection limiting member 11 is located at the center of symmetry between the first upper step 312 and the second upper step 412. The two ends of the deflection limiting member 11 are respectively hinged to the first upper step 312 and the second upper step 412. The function of the deflection limiting member 11 is to limit the movement of the first swing member 31 and the second swing member 41, restricting their swing amplitude within a certain range. At the same time, it ensures that the distance of the first swing member 31 and the second swing member 41 swinging in opposite directions remains consistent, so that the internal mass distribution of the motor remains balanced during operation.

[0037] Specifically, the two ends of the deflection limiting member 11 are respectively provided with connecting clamps 111, the first upper step 312 is vertically provided with a first deflection limiting shaft 313, the second upper step 412 is vertically provided with a second deflection limiting shaft 413, and the two connecting clamps 111 are rotatably connected to the first deflection limiting shaft 313 and the second deflection limiting shaft 413 respectively.

[0038] More specifically, deflection clearance openings 314 are symmetrically provided on the opposite sidewalls of the first upper step 312 and the second upper step 412. The deflection clearance openings 314 are used to provide clearance space for the left and right swing of the deflection limiting member 11. The top of the connecting clamp 111 abuts against the inner top wall of the deflection clearance opening 314, and the bottom of the connecting clamp 111 abuts against the inner bottom wall of the deflection clearance opening 314, thereby limiting the vertical movement of the deflection limiting member 11 and preventing it from jumping up and down.

[0039] Furthermore, two sets of spring plates 12 are respectively provided on both sides of the fixed frame 10. The front and rear ends of the first mover 30 and the second mover 40 are respectively connected to the upper ends of the four sets of spring plates 12. The lower ends of the four sets of spring plates 12 are respectively connected to the fixed frame 10. When the first mover 30 and the second mover 40 swing back and forth, the four sets of spring plates 12 can undergo elastic deformation accordingly, which buffers and assists in resetting the movement of the first mover 30 and the second mover 40, thereby reducing vibration and improving the stability of the motor operation.

[0040] Furthermore, spring fixing seats 13 are respectively provided on both sides of the fixing frame 10. Two sets of return springs 14 are connected to the inner side of each spring fixing seat 13. The front and rear ends of the first swing member 31 and the second swing member 41 are respectively connected to the outer ends of the four sets of return springs 14. When the first swing member 31 and the second swing member 41 swing back and forth, the four sets of return springs 14 can buffer and assist in the reset of the movement of the first swing member 31 and the second swing member 41, which can reduce vibration and further improve the stability of the motor operation.

[0041] Specifically, the top of the first swing member 31 and the second swing member 41 are respectively detachably provided with a cutter head connector 50. The top of the first swing member 31 and the second swing member 41 are provided with an internal threaded connecting post 414. The bottom of the cutter head connector 50 is provided with a connecting hole 51. The connecting hole 51 is connected to the internal threaded connecting post 414 by a screw, which facilitates the replacement of different types of cutter heads for use.

[0042] Furthermore, the top of the cutter head connector 50 is provided with an upward mounting notch 52. A support spring 53, a slider 54, and a guide post 55 are provided inside the mounting notch 52. The support spring 53 and the slider 54 are respectively sleeved on the guide post 55. The support spring 53 is supported and connected to the bottom of the slider 54. The slider 54 can slide up and down along the guide post 55 within the mounting notch 52. The support spring 53 provides elastic support for the slider 54. The slider 54 is used to connect with the bottom of the cutter head, so that the cutter head can move up and down within a certain range during use for buffering, thereby improving the safety and comfort of use.

[0043] Furthermore, limit notches 541 are provided on both sides of the slider 54. The limit notches 541 are slidably engaged with the inner wall of the mounting notch 52, so that the slider 54 can only move up and down and will not deflect around the guide post 55. The inner walls on both sides of the mounting notch 52 are provided with protrusions 521, and the top of the slider 54 can abut against the bottom of the two protrusions 521 respectively, which can prevent the slider 54 from coming out of the mounting notch 52 upward.

[0044] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; conversely, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.

Claims

1. A reciprocating magnetic levitation motor, characterized in that, include: The system comprises a fixed frame (10), a stator coil module (20), a first mover (30), and a second mover (40). The stator coil module (20) is mounted on the fixed frame (10). The first mover (30) and the second mover (40) are arranged parallel above the stator coil module (20) and are inductively connected to the stator coil module (20). The stator coil module (20) can drive the first mover (30) and the second mover (40) to reciprocate in opposite directions. The first moving part (30) is provided with a first swinging member (31), the first swinging member (31) includes a first lower step (311) and a first upper step (312), the first lower step (311) is connected to the top of the first moving part (30), and the first upper step (312) is connected to the side above the first lower step (311); The second moving part (40) is provided with a second swinging member (41), the second swinging member (41) includes a second lower step (411) and a second upper step (412), the second lower step (411) is connected to the top of the second moving part (40), and the second upper step (412) is connected to the side above the second lower step (411); The first upper step (312) and the second upper step (412) are symmetrically arranged, and the first upper step (312) is located directly above the second lower step (411), and the second upper step (412) is located directly above the first lower step (311).

2. The reciprocating magnetic levitation motor according to claim 1, characterized by A deflection limiting member (11) is horizontally rotatably mounted on the fixed frame (10). The rotation axis of the deflection limiting member (11) is located at the center of symmetry between the first upper step (312) and the second upper step (412). The two ends of the deflection limiting member (11) are respectively hinged to the first upper step (312) and the second upper step (412).

3. The reciprocating magnetic levitation motor of claim 2, wherein, The two ends of the deflection limiting member (11) are respectively provided with connecting clamps (111), the first upper step (312) is vertically provided with a first deflection limiting shaft (313), the second upper step (412) is vertically provided with a second deflection limiting shaft (413), and the two connecting clamps (111) are rotatably connected to the first deflection limiting shaft (313) and the second deflection limiting shaft (413) respectively.

4. The reciprocating magnetic levitation motor of claim 3, wherein, The first upper step (312) and the second upper step (412) are symmetrically provided with deflection clearance openings (314) on their opposite side walls. The top of the connecting clamp (111) abuts against the inner top wall of the deflection clearance opening (314), and the bottom of the connecting clamp (111) abuts against the inner bottom wall of the deflection clearance opening (314).

5. The reciprocating magnetic levitation motor of claim 1, wherein, Two sets of spring pieces (12) are respectively provided on both sides of the fixed frame (10). The front and rear ends of the first mover (30) and the second mover (40) are respectively connected to the upper ends of the four sets of spring pieces (12) one by one, and the lower ends of the four sets of spring pieces (12) are respectively connected to the fixed frame (10).

6. The reciprocating magnetic levitation motor of claim 5, wherein, The fixed frame (10) is provided with spring fixing seats (13) on both sides respectively. Each spring fixing seat (13) is connected to two sets of return springs (14) on its inner side. The front and rear ends of the first swing member (31) and the second swing member (41) are respectively connected to the outer ends of the four sets of return springs (14).

7. The reciprocating magnetic levitation motor of claim 1, wherein, The top of the first swing member (31) and the second swing member (41) are respectively detachably provided with a cutter head connector (50).

8. The reciprocating magnetic levitation motor of claim 7, wherein, The top of the first swing member (31) and the second swing member (41) are provided with internal threaded connecting post (414), and the bottom of the cutter head connector (50) is provided with connecting hole (51). The connecting hole (51) is connected to the internal threaded connecting post (414) by screw.

9. The reciprocating magnetic levitation motor according to claim 8, characterized in that, The top of the cutter head connector (50) is provided with an installation notch (52) facing upward. A support spring (53), a slider (54) and a guide post (55) are provided in the installation notch (52). The support spring (53) and the slider (54) are respectively sleeved on the guide post (55). The support spring (53) is supported and connected to the bottom of the slider (54). The slider (54) can slide up and down along the guide post (55) in the installation notch (52).

10. The reciprocating magnetic levitation motor of claim 9, wherein, The slider (54) has limit notches (541) on both sides. The limit notches (541) are slidably engaged with the inner wall of the mounting notch (52). The inner walls of the mounting notch (52) are provided with protrusions (521) on both sides. The top of the slider (54) can abut against the bottom of the two protrusions (521) respectively.

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