Motor module and hair trimmer

Abstract

The invention relates to a motor module and a hair trimmer. The motor module comprises a driving assembly, a moving assembly, an elastic suspension mechanism, an elastic supporting mechanism and a rack, and at least part of the driving assembly, at least part of the moving assembly, at least part of the elastic suspension mechanism and at least part of the elastic supporting mechanism are all arranged in the rack; wherein one end of the elastic suspension mechanism is connected with the driving assembly, and the other end of the elastic suspension mechanism is connected with the rack; one end of the elastic supporting mechanism is connected with the driving assembly, the other end of the elastic supporting mechanism is connected with the moving assembly, the moving assembly is arranged on one side of the driving assembly, and the driving assembly and the moving assembly are matched with each other and can reciprocate in the direction perpendicular to the arrangement direction of the moving assembly and the driving assembly; the resonant frequency of the elastic suspension mechanism is smaller than that of the elastic supporting mechanism. The vibration degree of the motor module in the working process is small.

Description

Technical Field

[0001] The present application relates to the technical field of hair cleaning, and particularly relates to an electric motor module and a hair trimmer. Background Art

[0002] When trimming beards, hair, etc. with a hair trimmer, it is necessary to provide kinetic energy to the blade through an electric motor module so that the moving blade and the stationary blade generate relative shearing motion. However, the electric motor module will generate vibration during operation, and the vibration will reduce the comfort of the user's grip. Therefore, how to reduce the vibration of the electric motor module during operation is an urgent problem to be solved. Summary of the Invention

[0003] In view of this, the present application provides an electric motor module and a hair trimmer, and the vibration degree of the electric motor module during operation is relatively small.

[0004] The present application provides an electric motor module, which includes: a driving component, a moving component, an elastic suspension mechanism, an elastic support mechanism and a frame. At least part of the driving component, at least part of the moving component, at least part of the elastic suspension mechanism and at least part of the elastic support mechanism are arranged in the frame; wherein, one end of the elastic suspension mechanism is connected to the driving component, and the other end is connected to the frame; one end of the elastic support mechanism is connected to the driving component, and the other end is connected to the moving component. The moving component is arranged on one side of the driving component, and the driving component and the moving component can cooperate with each other to reciprocate along a direction perpendicular to the arrangement direction of the moving component and the driving component; the resonance frequency of the elastic suspension mechanism is less than the resonance frequency of the elastic support mechanism.

[0005] Further, the resonance frequency of the elastic suspension mechanism is f1, and the resonance frequency of the elastic support mechanism is f2, then the electric motor module satisfies the relational expression: 0.0025 ≤ f1 / f2 ≤ 0.2.

[0006] Further, the range of the resonance frequency f1 of the elastic suspension mechanism is: 1 Hz ≤ f1 ≤ 30 Hz; the range of the resonance frequency f2 of the elastic support mechanism is: 150 Hz ≤ f2 ≤ 400 Hz.

[0007] Further, the rigidity of the elastic suspension mechanism is less than the rigidity of the elastic support mechanism.

[0008] Further, the total thickness of the elastic suspension mechanism is less than the total thickness of the elastic support mechanism.

[0009] Further, the elastic suspension mechanism includes a suspension member, the elastic support mechanism includes a support member, and the thickness of the suspension member is less than the thickness of the support member.

[0010] Further, the number of the suspension members is multiple, and the multiple suspension members are stacked along the direction in which the driving assembly and the moving assembly reciprocate; the range of the thickness d of the suspension member is: 0.02 mm ≤ d ≤ 0.15 mm; in each of the elastic suspension mechanisms, the number of the suspension members n ranges from 2 to 10.

[0011] Further, the number of the elastic suspension mechanisms is two, and the two elastic suspension mechanisms are respectively located at opposite ends of the driving assembly, and the elastic suspension mechanisms located at opposite ends of the driving assembly are symmetrically arranged with respect to the driving assembly.

[0012] Further, in the elastic suspension mechanism, the thickness of the suspension member is symmetric about the midline in the thickness direction of the elastic suspension mechanism.

[0013] Further, the driving assembly includes a base and a driving member, and the driving member is connected to the base; the elastic suspension mechanism further includes a first clamping plate, a second clamping plate, a third clamping plate, a first fixing member and a second fixing member. The first clamping plate and the second clamping plate are located on opposite sides of the suspension member close to the base. The first fixing member sequentially passes through the first clamping plate, the suspension member and the second clamping plate and is fixed. The first clamping plate, the second clamping plate and the suspension member are also connected to the base; the frame and the third clamping plate are located on opposite sides of the suspension member away from the base, and the second fixing member sequentially passes through the frame, the suspension member and the third clamping plate and is fixed.

[0014] Further, the first fixing member includes a first penetrating portion, and a first fixing portion and a second fixing portion provided on opposite sides of the first penetrating portion. The first penetrating portion passes through the first clamping plate, one end of the suspension member, and the second clamping plate. The first fixing portion is provided on the side of the first clamping plate away from the suspension member, and the second fixing portion is provided on the side of the second clamping plate away from the suspension member, and the first fixing portion is closer to the base than the second fixing portion; the first clamping plate, one end of the suspension member, and the second clamping plate are all provided with first connection holes; a first protruding portion is provided on the outer side wall of the base, the first protruding portion is arranged in the first connection hole and welds the second clamping plate, and there is a gap between the first fixing portion and the base.

[0015] Further, the cross sections of the first connection hole and the first protruding portion are non-circular.

[0016] Further, the driving assembly includes a base and a driving member, the driving member is connected to the base, and the elastic support mechanism includes a support member; the elastic support mechanism further includes a fourth clamping plate, a fifth clamping plate and a third fixing member; the fourth clamping plate and the fifth clamping plate are disposed on opposite sides of the support member close to the base, and the third fixing member sequentially passes through the fourth clamping plate, the support member and the fifth clamping plate and is fixed; the fourth clamping plate, the support member and the fifth clamping plate are fixed to the base; the distance between the elastic support mechanism and the elastic suspension mechanism is less than a preset distance; a second connection hole is provided at one end of the support member away from the base, and the moving assembly is provided with a second protrusion, and the second protrusion is disposed in the second connection hole and welded to the other end of the support member; the cross sections of the second connection hole and the second protrusion are non-circular.

[0017] Further, the base includes a bottom wall, the bottom wall is provided with a positioning hole, one end of the fourth clamping plate, the support member and the fifth clamping plate abut against the bottom wall and extend into the positioning hole, and the fourth clamping plate and the fifth clamping plate are welded to the bottom wall in the positioning hole.

[0018] The present application further provides a hair trimmer, which includes a housing, a transmission assembly, a cutter head assembly, and the motor module provided by the present application. The motor module is disposed in the housing, the transmission assembly is connected to the moving assembly of the motor module, and the cutter head assembly is connected to the transmission assembly.

[0019] Further, the number of the driving assemblies, the number of the moving assemblies, and the number of the transmission assemblies are all two. The two moving assemblies include a first moving assembly and a second moving assembly. The two transmission assemblies include a first transmission assembly and a second transmission assembly. The cutter head assembly includes a plurality of cutter heads. The first transmission assembly is connected to a first number of cutter heads, and the second transmission assembly is connected to a second number of cutter heads. The second number is greater than the first number; the weight of the first transmission assembly is greater than the weight of the second transmission assembly, and / or the weight of the first moving assembly is greater than the weight of the second moving assembly; when the cutter head assembly is connected to the transmission assembly, the two moving assemblies have a first operating parameter; when the cutter head assembly is separated from the transmission assembly, the two moving assemblies have a second operating parameter, and the second operating parameter is less than the first operating parameter; wherein, the first operating parameter and the second operating parameter are selected from the same one of operating amplitude, operating speed, and operating frequency.

[0020] In the motor module provided by the present application, the driving component is used to provide a driving force so that the moving component can reciprocate along a direction perpendicular to the arrangement direction of the moving component and the driving component, and then drive the reciprocating movement of the transmission component and the cutter head carried on the moving component, so as to realize the shearing of hair. During the reciprocating movement of the moving component and the driving component, vibrations will be generated. The moving component is arranged on one side of the driving component through the elastic support mechanism, so that the elastic support mechanism can absorb part of the vibrations and transmit the vibrations to the driving component; further, the driving component is connected to the frame through the elastic suspension mechanism, and the elastic suspension mechanism can further absorb vibrations and transmit the vibrations to the frame and the housing in sequence, so as to prevent the internal components of the motor module from being damaged due to the vibrations of the moving component and the driving component. In the present application, the resonance frequency of the elastic suspension mechanism is less than the resonance frequency of the elastic support mechanism. In other words, there is a difference between the resonance frequency of the elastic suspension mechanism and the resonance frequency of the elastic support mechanism, which can prevent the resonance frequency of the elastic suspension mechanism and the resonance frequency of the elastic support mechanism from approaching or being equal, resulting in significant vibrations of the motor module. Further, the resonance frequency of the elastic suspension mechanism is relatively small and only responds to low-frequency vibrations. When the moving component reciprocates and drives the elastic support mechanism and the base to vibrate, the elastic suspension mechanism can absorb the vibrations of the elastic support mechanism and the base, thereby reducing the vibration frequency of the elastic suspension mechanism, that is, slowing down the vibrations of the motor module during operation, and further reducing the vibration amplitude of the frame and the housing, which is beneficial to improving the comfort of the user when holding the hair trimmer. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the implementation will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0022] Figure 1 is a schematic structural diagram of a motor module according to an embodiment of the present application;

[0023] Figure 2 is a top view structural diagram of a motor module according to an embodiment of the present application;

[0024] Figure 3 is Figure 2 a schematic cross-sectional structural diagram in the A-A direction in

[0025] Figure 4 is a partial structural diagram of a motor module according to an embodiment of the present application;

[0026] Figure 5 is Figure 4 an enlarged view of the dashed box B in

[0027] Figure 6 a partial exploded structural schematic diagram of a motor module according to an embodiment of the present application;

[0028] Figure 7 is Figure 2 a sectional structural schematic diagram in the C-C direction in

[0029] Figure 8 is Figure 7 an enlarged view of the dashed box D in

[0030] Figure 9 is Figure 2 a sectional structural schematic diagram in the E-E direction in

[0031] Figure 10 a structural schematic diagram of a base according to an embodiment of the present application;

[0032] Figure 11 a structural schematic diagram of a hair trimmer according to an embodiment of the present application;

[0033] Figure 12 an exploded structural schematic diagram of a hair trimmer according to an embodiment of the present application;

[0034] Figure 13 a partial exploded structural schematic diagram of a hair trimmer according to an embodiment of the present application.

[0035] Explanation of reference numerals:

[0036] 100 - Motor module, 110 - Driving assembly, 111 - Base, 1111 - Fixed seat, 1112 - First protruding part, 1113 - Bottom wall, 1114 - Side wall, 1115 - Positioning hole, 1116 - First sub - hole, 1117 - Second sub - hole, 1118 - Avoidance groove, 1119 - Accommodation groove, 112 - Driving member, 120 - Moving assembly, 120a - First moving assembly, 120b - Second moving assembly, 121 - Second protruding part, 130 - Elastic suspension mechanism, 131 - Suspension member, 1311 - First connection hole, 132 - First clamping plate, 133 - Second clamping plate, 134 - Third clamping plate, 135 - First fixing member, 1351 - First passing part, 1352 - First fixing part, 1353 - Second fixing part, 136 - Second fixing member, 140 - Elastic support mechanism, 141 - Support member, 1411 - Second connection hole, 142 - Fourth clamping plate, 143 - Fifth clamping plate, 144 - Third fixing member, 1441 - Second passing part, 1442 - Third fixing part, 1443 - Fourth fixing part, 145 - Fourth fixing member, 150 - Frame, 200 - Hair clipper, 210 - Housing, 220 - Transmission assembly, 220a - First transmission assembly, 220b - Second transmission assembly, 221 - First counterweight, 222 - First transmission member, 223 - Second counterweight, 224 - Second transmission member, 225 - Third transmission member, 230 - Cutter head assembly, 231 - First cutter head, 232 - Second cutter head, 233 - Third cutter head, 234 - Cutter head. Detailed implementation mode

[0037] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0038] The terms "first", "second", etc. in the specification, claims and above - mentioned drawings of the present application are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "include" and "have" and any variations thereof are intended to cover non - exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally further includes steps or units not listed, or optionally further includes other steps or units inherent to these processes, methods, products or devices.

[0039] References to "embodiments" or "implementations" in this specification mean that the specific features, structures, or characteristics described in connection with the embodiments or implementations can be included in at least one embodiment of the present application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0040] When trimming beards, hair, etc. with a hair trimmer, it is necessary to provide kinetic energy to the blade through a motor module so that the moving blade and the stationary blade generate relative shearing motion. However, the motor module generates vibration during operation, and the vibration reduces the comfort of the user's grip. Therefore, how to reduce the vibration of the motor module during operation is an urgent problem to be solved.

[0041] Please refer to Figures 1 to 3 , the present application provides a motor module 100, the motor module 100 includes: a driving component 110, a moving component 120, an elastic suspension mechanism 130, an elastic support mechanism 140 and a frame 150. At least part of the driving component 110, at least part of the moving component 120, at least part of the elastic suspension mechanism 130 and at least part of the elastic support mechanism 140 are arranged in the frame 150; wherein, one end of the elastic suspension mechanism 130 is connected to the driving component 110, and the other end is connected to the frame 150; one end of the elastic support mechanism 140 is connected to the driving component 110, and the other end is connected to the moving component 120. The moving component 120 is arranged on one side of the driving component 110. The driving component 110 and the moving component 120 cooperate with each other to reciprocate along a direction perpendicular to the arrangement direction of the moving component 120 and the driving component 110; the resonance frequency of the elastic suspension mechanism 130 is less than the resonance frequency of the elastic support mechanism 140.

[0042] It can be understood that at least part of the driving component 110, at least part of the moving component 120, at least part of the elastic suspension mechanism 130 and at least part of the elastic support mechanism 140 are arranged in the frame 150. The frame 150 has an accommodation cavity for accommodating at least part of the driving component 110, at least part of the moving component 120, at least part of the elastic suspension mechanism 130 and at least part of the elastic support mechanism 140 to provide accommodation and support for the driving component 110 and the moving component 120.

[0043] Understandably, one end of the elastic suspension mechanism 130 is connected to the drive assembly 110, and the other end is connected to the frame 150. Then, the elastic suspension mechanism 130 is suspended within the frame 150, and the drive assembly 110 is movably connected to the frame 150.

[0044] Understandably, one end of the elastic support mechanism 140 is connected to the drive assembly 110, and the other end is connected to the moving assembly 120. The moving assembly 120 is disposed on one side of the drive assembly 110. Then, the moving assembly 120 is elastically connected to the drive assembly 110 through the elastic support mechanism 140, and the moving assembly 120 is spaced apart from the drive assembly 110. The moving assembly 120 is movably connected to the frame 150.

[0045] Understandably, the drive assembly 110 and the moving assembly 120 can cooperate with each other to reciprocate in a direction perpendicular to the arrangement direction of the moving assembly 120 and the drive assembly 110. Among them, the arrangement direction of the moving assembly 120 and the drive assembly 110 is the vertical direction, and the reciprocating movement direction of the drive assembly 110 and the moving assembly 120 is parallel to the horizontal plane. More specifically, the reciprocating movement direction of the drive assembly 110 and the moving assembly 120 is the left-right direction, that is Figure 1 the arrangement direction of the elastic suspension mechanism 130 and the drive assembly 110 shown by the X direction in. Figure 1 In the embodiment, when there are two sets of the moving assemblies 120, the two sets of the moving assemblies 120 move along Figure 1 the Y direction in; Figure 1 In the embodiment, the Z direction is the arrangement direction of the moving assembly 120 and the drive assembly 110, that is, the height direction of the motor module 100.

[0046] Understandably, in the terms of the present application, the "resonant frequency" refers to the frequency at which the vibration amplitude of a system reaches the maximum when it is subjected to a periodic external force.

[0047] Understandably, the motor module 100 is applied to the hair trimmer 200. The hair trimmer 200 includes a housing 210, a transmission assembly 220 and a cutter head. The motor module 100 is disposed within the housing 210. The transmission assembly 220 is connected to the moving assembly 120 of the motor module 100, and the cutter head is connected to the transmission assembly 220. Specifically, the frame 150 of the motor module 100 is connected to the housing 210.

[0048] Understandably, the drive assembly 110 generates an electromagnetic effect after passing through an electric current, and the moving assembly 120 reciprocates under the electromagnetic effect of the drive assembly 110.

[0049] Understandably, in the terms of this application, the "elastic suspension mechanism 130" means that the suspension mechanism includes elastic elements for buffering, absorbing, and releasing energy, which can convert the vibration shock energy into the potential energy of the element deformation through its own elastic deformation, thereby reducing the vibration of the motor module 100; Similarly, the "elastic support mechanism 140" means that the support mechanism includes elastic elements for buffering, absorbing, and releasing energy, which can convert the vibration shock energy into the potential energy of the element deformation through its own elastic deformation, thereby reducing the vibration of the motor module 100.

[0050] In the motor module 100 provided in this embodiment, the driving component 110 is used to provide a driving force so that the moving component 120 can reciprocally move along a direction perpendicular to the arrangement direction of the moving component 120 and the driving component 110, and then drive the reciprocating movement of the transmission component 220 and the cutter head carried on the moving component 120, thereby realizing the shearing of hair. During the reciprocating movement of the moving component 120 and the driving component 110, vibrations will be generated. The moving component 120 is arranged on one side of the driving component 110 through the elastic support mechanism 140, so that the elastic support mechanism 140 can absorb part of the vibration and transmit the vibration to the driving component 110; Further, the driving component 110 is connected to the frame 150 through the elastic suspension mechanism 130, and the elastic suspension mechanism 130 can further absorb the vibration and transmit the vibration to the frame 150 and the housing 210 in sequence, so as to prevent the internal components of the motor module 100 from being damaged due to the vibration of the moving component 120 and the driving component 110. In this embodiment, the resonance frequency of the elastic suspension mechanism 130 is less than the resonance frequency of the elastic support mechanism 140. In other words, there is a difference between the resonance frequency of the elastic suspension mechanism 130 and the resonance frequency of the elastic support mechanism 140, which can prevent the resonance frequency of the elastic suspension mechanism 130 and the resonance frequency of the elastic support mechanism 140 from being close to or equal to each other, resulting in significant vibration of the motor module 100. Further explained, the resonance frequency of the elastic suspension mechanism 130 is relatively small and only responds to low-frequency vibrations. When the moving component 120 reciprocally moves and drives the elastic support mechanism 140 and the base 111 to vibrate, the elastic suspension mechanism 130 can absorb the vibrations of the elastic support mechanism 140 and the base 111, thereby reducing the vibration frequency of the elastic suspension mechanism 130, that is, reducing the vibration of the motor module 100 during operation, and further reducing the vibration amplitude of the frame 150 and the housing 210, which is beneficial to improving the comfort of the user when holding the hair trimmer 200.

[0051] Understandably, the driving component 110 is used to provide a driving force so that the moving component 120 can reciprocate in a direction perpendicular to the arrangement direction of the moving component 120 and the driving component 110. It can be that the driving component 110 and the moving component 120 interact with each other through a magnetic field so that the moving component 120 and the driving component 110 move relative to each other.

[0052] In some embodiments, the resonance frequency of the elastic suspension mechanism 130 is f1, and the resonance frequency of the elastic support mechanism 140 is f2. Then, the motor module 100 satisfies the relationship: 0.0025 ≤ f1 / f2 ≤ 0.2.

[0053] Specifically, the value of f1 / f2 can be, but is not limited to, 0.0025, 0.0067, 0.008, 0.01, 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.075, 0.08, 0.09, 0.1, 0.11, 0.12, 0.13, 0.14, 0.15, 0.16, 0.17, 0.18, 0.19, and 0.2, etc.

[0054] Understandably, there is a large difference between the resonance frequency of the elastic suspension mechanism 130 and the resonance frequency of the elastic support mechanism 140, and the resonance frequency of the elastic support mechanism 140 is more than five times that of the elastic suspension mechanism 130.

[0055] Understandably, when the resonance frequency of the elastic suspension mechanism 130 is close to or equal to the resonance frequency of the elastic support mechanism 140, the motor module 100 will generate resonance, thereby increasing the vibration frequency of the motor module 100.

[0056] In this embodiment, the resonance frequency f1 of the elastic suspension mechanism 130 and the resonance frequency f2 of the elastic support mechanism 140 satisfy the relation 0.0025 ≤ f1 / f2 ≤ 0.2. Then, the resonance frequency f1 of the elastic suspension mechanism 130 and the resonance frequency f2 of the elastic support mechanism 140 are both within a reasonable range, and the difference between the resonance frequency of the elastic suspension mechanism 130 and the resonance frequency of the elastic support mechanism 140 is relatively large. When the driving component 110 and the moving component 120 reciprocate, the moving component 120 and the driving component 110 will drive the elastic suspension mechanism 130 and the elastic support mechanism 140 to vibrate, and significant resonance of the elastic suspension mechanism 130 and the elastic support mechanism 140 due to close or equal resonance frequencies can be avoided. The resonance frequency of the elastic suspension mechanism 130 is relatively small, which can play a role in vibration filtering. On the one hand, it can slow down the vibration inside the motor module 100. On the other hand, when the vibration is transmitted to the housing 210 through the elastic suspension mechanism 130, the vibration amplitude of the housing 210 can be reduced, thereby improving the comfort of the user holding the hair trimmer 200. When the value of f1 / f2 is too large, that is, the resonance frequency f1 of the elastic suspension mechanism 130 is too large or the resonance frequency f2 of the elastic support mechanism 140 is too small, the difference between the resonance frequency of the elastic suspension mechanism 130 and the resonance frequency of the elastic support mechanism 140 is relatively small. When the driving component 110 and the moving component 120 reciprocate in a direction perpendicular to the arrangement direction of the moving component 120 and the driving component 110, the elastic suspension mechanism 130 and the elastic support mechanism 140 may cause resonance, thereby increasing the vibration amplitude of the motor module 100 and increasing the vibration degree of the housing 210, which is not conducive to improving the user experience. When the value of f1 / f2 is too small, that is, the resonance frequency f1 of the elastic suspension mechanism 130 is too small or the resonance frequency f2 of the elastic support mechanism 140 is too large. If the resonance frequency of the elastic suspension mechanism 130 is too small, the rigidity of the elastic suspension mechanism 130 is too small, and it is difficult for the elastic suspension mechanism 130 to support the weight of the driving component 110. When the driving component 110 vibrates, the risk of breakage of the elastic suspension mechanism 130 increases, reducing the service performance of the motor module 100. If the resonance frequency of the elastic support mechanism 140 is too large, the rigidity of the elastic support mechanism 140 is relatively large, then it is difficult for the elastic support mechanism 140 to convert the vibration potential energy through elastic deformation, weakening the vibration damping effect of the elastic support mechanism 140.

[0057] In some embodiments, the range of the resonance frequency f1 of the elastic suspension mechanism 130 is: 1 Hz ≤ f1 ≤ 30 Hz.

[0058] Specifically, the value of the resonant frequency f1 of the elastic suspension mechanism 130 can be, but is not limited to, 1 Hz, 2 Hz, 3 Hz, 5 Hz, 8 Hz, 10 Hz, 12 Hz, 15 Hz, 16 Hz, 18 Hz, 20 Hz, 22 Hz, 24 Hz, 25 Hz, 26 Hz, 28 Hz, 30 Hz, etc.

[0059] It can be understood that the resonant frequency of the elastic suspension mechanism 130 is positively correlated with the rigidity of the elastic suspension mechanism 130. That is, when the resonant frequency of the elastic suspension mechanism 130 is relatively large, the rigidity of the elastic suspension mechanism 130 is relatively large; when the resonant frequency of the elastic suspension mechanism 130 is relatively small, the rigidity of the elastic suspension mechanism 130 is relatively small.

[0060] In this embodiment, when the resonant frequency f1 of the elastic suspension mechanism 130 satisfies the range 1 Hz ≤ f1 ≤ 30 Hz, the resonant frequency of the elastic suspension mechanism 130 is within a reasonable range. On the one hand, it can make the resonant frequency of the elastic suspension mechanism 130 have a large difference from the resonant frequency of the elastic support mechanism 140. The elastic suspension mechanism 130 can effectively play a vibration filtering role, absorb most of the vibration potential energy through its own elastic deformation, thereby slowing down the vibration of the motor module 100 and ultimately slowing down the vibration amplitude of the housing 210 to improve the user experience. On the other hand, the rigidity of the elastic suspension mechanism 130 is also within a reasonable range, so that the elastic suspension mechanism 130 can not only provide a stable support for the drive assembly 110, and the drive assembly 110 can be stably suspended on the frame 150 to avoid direct impact between the drive assembly 110 and the frame 150, which is beneficial to extending the service life of the motor module 100. When the resonant frequency f1 of the elastic suspension mechanism 130 is too large, it may make the resonant frequency of the elastic suspension mechanism 130 have a small difference from the resonant frequency of the elastic support mechanism 140. When the drive assembly 110 and the motion assembly 120 reciprocate along the direction perpendicular to the arrangement direction of the motion assembly 120 and the drive assembly 110, it may cause resonance of the elastic suspension mechanism 130 and the elastic support mechanism 140, weakening the vibration filtering effect of the elastic suspension mechanism 130, resulting in a relatively large vibration amplitude of the motor module 100, and then a relatively large vibration amplitude transmitted to the housing 210, which is not conducive to improving the user experience. When the resonant frequency f1 of the elastic suspension mechanism 130 is too small, correspondingly, the rigidity of the elastic suspension mechanism 130 is too small, then the elastic suspension mechanism 130 is difficult to support the weight of the drive assembly 110. When the drive assembly 110 vibrates, it increases the risk of fracture of the elastic suspension mechanism 130 and reduces the performance of the motor module 100.

[0061] Preferably, the resonance frequency f1 of the elastic suspension mechanism 130 ranges from 5 Hz ≤ f1 ≤ 15 Hz.

[0062] More preferably, the resonance frequency f1 of the elastic suspension mechanism 130 is 10 Hz.

[0063] In some embodiments, the resonance frequency f2 of the elastic support mechanism 140 ranges from 150 Hz ≤ f2 ≤ 400 Hz.

[0064] Specifically, the value of the resonance frequency f2 of the elastic support mechanism 140 can be, but is not limited to, 150 Hz, 160 Hz, 180 Hz, 200 Hz, 220 Hz, 250 Hz, 280 Hz, 300 Hz, 320 Hz, 330 Hz, 350 Hz, 360 Hz, 380 Hz, 390 Hz, 400 Hz, etc.

[0065] It can be understood that the resonance frequency of the elastic support mechanism 140 is positively correlated with the rigidity of the elastic support mechanism 140. Then, when the resonance frequency of the elastic support mechanism 140 is relatively large, the rigidity of the elastic support mechanism 140 is relatively large; when the resonance frequency of the elastic support mechanism 140 is relatively small, the rigidity of the elastic support mechanism 140 is relatively small.

[0066] In this embodiment, when the resonance frequency f2 of the elastic support mechanism 140 satisfies the range 150 Hz ≤ f2 ≤ 400 Hz, the resonance frequency of the elastic support mechanism 140 is within a reasonable range. There is a large difference between the resonance frequency of the elastic suspension mechanism 130 and the resonance frequency of the elastic support mechanism 140. The elastic suspension mechanism 130 can effectively play a vibration filtering role, absorb most of the vibration potential energy through its own elastic deformation, thereby slowing down the vibration of the motor module 100 and ultimately reducing the vibration amplitude of the housing 210 to improve the user experience. In addition, the elastic suspension mechanism 130 also has sufficient deformation ability to slow down the vibration of the moving component 120. When the resonance frequency f2 of the elastic support mechanism 140 is too large, correspondingly, the rigidity of the elastic support mechanism 140 is large, and it is difficult for the elastic support mechanism 140 to convert the vibration potential energy through elastic deformation, weakening the vibration damping effect of the elastic support mechanism 140. When the resonance frequency f2 of the elastic support mechanism 140 is too small, it may cause the resonance frequency of the elastic support mechanism 140 to be close to the resonance frequency of the elastic suspension mechanism 130. When the driving component 110 and the moving component 120 reciprocate along the direction perpendicular to the arrangement direction of the moving component 120 and the driving component 110, it may cause resonance of the elastic suspension mechanism 130 and the elastic support mechanism 140, weakening the vibration filtering effect of the elastic suspension mechanism 130, resulting in a large vibration amplitude of the motor module 100 and then a large vibration amplitude transmitted to the housing 210, which is not conducive to improving the user experience.

[0067] Preferably, the range of the resonance frequency f2 of the elastic support mechanism 140 is: 180 Hz ≤ f2 ≤ 300 Hz.

[0068] More preferably, the range of the resonance frequency f2 of the elastic support mechanism 140 is: 200 Hz ≤ f2 ≤ 280 Hz.

[0069] Most preferably, the resonance frequency f2 of the elastic support mechanism 140 is 250 Hz.

[0070] Optionally, in some embodiments, the resonance frequency of the motor module 100 is 200 Hz, that is, the resonance frequency of the system formed by the elastic support mechanism 140 and the elastic suspension mechanism 130 is 200 Hz.

[0071] Optionally, in some embodiments, the rigidity of the elastic suspension mechanism 130 is less than the rigidity of the elastic support mechanism 140.

[0072] In this embodiment, compared with the elastic support mechanism 140, the elastic suspension mechanism 130 has a smaller rigidity, making the elastic suspension mechanism 130 softer. When the driving component 110 and the moving component 120 reciprocate in a direction perpendicular to the arrangement direction of the moving component 120 and the driving component 110, the elastic suspension mechanism 130 can absorb more vibrations through elastic deformation to play a role in vibration filtering, thereby reducing the vibration of the motor module 100, and then making the vibration amplitude transmitted to the housing 210 smaller, which is beneficial to improving the user experience.

[0073] Please refer to Figure 4 , in some embodiments, the total thickness of the elastic suspension mechanism 130 is less than the total thickness of the elastic support mechanism 140.

[0074] It can be understood that when the elastic suspension mechanism 130 includes the suspension member 131, the total thickness of the elastic suspension mechanism 130 is the sum of the thicknesses of the suspension members 131. If the number of sheets of the suspension member 131 is one, the total thickness of the elastic suspension mechanism 130 is the thickness of one sheet of the suspension member 131; if the number of sheets of the suspension member 131 is multiple, the total thickness of the elastic suspension mechanism 130 is the sum of the thicknesses of multiple sheets of the suspension member 131.

[0075] It can be understood that when the elastic support mechanism 140 includes the support member 141, the total thickness of the elastic support mechanism 140 is the sum of the thicknesses of the support members 141. If the number of sheets of the support member 141 is one, the total thickness of the elastic support mechanism 140 is the thickness of one sheet of the support member 141; if the number of sheets of the support member 141 is multiple, the total thickness of the elastic support mechanism 140 is the sum of the thicknesses of multiple sheets of the support member 141.

[0076] It can be understood that the resonance frequency of the elastic suspension mechanism 130 is positively correlated with the thickness of the elastic suspension mechanism 130. The greater the thickness of the elastic suspension mechanism 130, the higher the resonance frequency of the elastic suspension mechanism 130; the smaller the thickness of the elastic suspension mechanism 130, the lower the resonance frequency of the elastic suspension mechanism 130. The resonance frequency of the elastic support mechanism 140 is positively correlated with the thickness of the elastic support mechanism 140. The greater the thickness of the elastic support mechanism 140, the higher the resonance frequency of the elastic support mechanism 140; the smaller the thickness of the elastic support mechanism 140, the lower the resonance frequency of the elastic support mechanism 140.

[0077] It can be understood that the rigidity of the elastic suspension mechanism 130 is positively correlated with the thickness of the elastic suspension mechanism 130, and the rigidity of the elastic support mechanism 140 is positively correlated with the rigidity of the elastic support mechanism 140.

[0078] In this embodiment, the total thickness of the elastic suspension mechanism 130 is less than the total thickness of the elastic support mechanism 140. By setting the difference between the total thickness of the elastic suspension mechanism 130 and the total thickness of the elastic support mechanism 140, the resonance frequency of the elastic suspension mechanism 130 is different from and has a large difference from the resonance frequency of the elastic support mechanism 140, so that the elastic suspension mechanism 130 can easily play a role in filtering vibration, avoiding resonance of the elastic suspension mechanism 130 and the elastic support mechanism 140, thereby reducing the vibration amplitude of the motor module 100 and reducing the vibration of the housing 210 when the motor module 100 is disposed in the hair trimmer 200, and improving the comfort of the user when holding the hair trimmer 200.

[0079] Please also refer to Figure 5 , in some embodiments, the elastic suspension mechanism 130 includes a suspension member 131, the elastic support mechanism 140 includes a support member 141, and the thickness of the suspension member 131 is less than the thickness of the support member 141.

[0080] It can be understood that the resonance frequency of the suspension member 131 is positively correlated with the thickness of the suspension member 131. The greater the thickness of the suspension member 131, the higher the resonance frequency of the suspension member 131, and the smaller the thickness of the suspension member 131, the lower the resonance frequency of the suspension member 131.

[0081] It can be understood that the resonance frequency of the support member 141 is positively correlated with the thickness of the support member 141. The greater the thickness of the support member 141, the higher the resonance frequency of the support member 141, and the smaller the thickness of the support member 141, the lower the resonance frequency of the support member 141.

[0082] In this embodiment, the thickness of the suspension member 131 is less than the thickness of the support member 141, so that the resonance frequency of the suspension member 131 is less than the resonance frequency of the support member 141, which is conducive to making the resonance frequency of the elastic suspension mechanism 130 less than the resonance frequency of the elastic support mechanism 140. In this embodiment, by adjusting the thickness of the suspension member 131 and the thickness of the support member 141 to adjust the difference in the resonance frequencies of the elastic suspension mechanism 130 and the elastic support mechanism 140, the method is simple and efficient, and has a good vibration filtering effect, which is conducive to improving the assembly performance and use performance of the motor module 100 and enhancing the user experience.

[0083] It can be understood that the suspension member 131 and the support member 141 are made of the same material.

[0084] Optionally, in some embodiments, both the suspension member 131 and the support member 141 are selected from metal parts.

[0085] Specifically, in some embodiments, both the suspension member 131 and the support member 141 are selected from stainless steel members.

[0086] Optionally, in one of the elastic suspension mechanisms 130, the number of the suspension members 131 is at least one, that is, the number of the suspension members 131 is one or more.

[0087] When the number of the suspension members 131 is more than one, the plurality of suspension members 131 are stacked along the reciprocating movement direction of the driving assembly 110 and the moving assembly 120.

[0088] It can be understood that when the total thickness of the elastic suspension mechanism 130 is constant, the elastic suspension mechanism 130 formed by stacking a plurality of thinner suspension members 131 has a first resonance frequency and a first rigidity, and the elastic suspension mechanism 130 formed by one thicker suspension member 131 has a second resonance frequency and a second rigidity. Then the first resonance frequency is greater than the second resonance frequency, and the first rigidity and the second rigidity are equal or almost equal. Specifically, for example, if the total thickness of the elastic suspension mechanism 130 is 0.6 mm, in the first solution, the elastic suspension mechanism 130 includes only one suspension member 131 with a thickness of 0.6 mm, and the elastic suspension mechanism 130 has a first resonance frequency and a first rigidity; in the second solution, the elastic suspension mechanism 130 includes three suspension members 131 with a thickness of 0.2 mm each, and the elastic suspension mechanism 130 has a second resonance frequency and a second rigidity. Then the first resonance frequency is greater than the second resonance frequency, and the first rigidity is equal to or almost equal to the second rigidity.

[0089] In this embodiment, when the total thickness of the elastic suspension mechanism 130 is constant, by setting the number of the suspension members 131 to be more than one, the resonance frequency of the elastic suspension mechanism 130 can be further reduced on the premise of ensuring the stiffness of the elastic suspension mechanism 130, so as to increase the difference between the resonance frequency of the elastic suspension mechanism 130 and the resonance frequency of the elastic support mechanism 140, so that the elastic suspension mechanism 130 can play a vibration filtering role and finally slow down the vibration of the motor module 100. In addition, the stiffness of the elastic suspension mechanism 130 is not affected. Even if the thickness of a single suspension member 131 is reduced, the elastic suspension mechanism 130 formed by stacking a plurality of thinner suspension members 131 can still maintain good stiffness, so as to support the driving assembly 110, reduce the risk of fracture of the elastic suspension mechanism 130, and improve the service performance of the motor module 100.

[0090] Optionally, in one of the elastic support mechanisms 140, the number of the support members 141 is at least one, that is, the number of the support members 141 is one or more. When the number of the support members 141 is more than one, the support members 141 are stacked in the direction in which the drive assembly 110 and the motion assembly 120 reciprocate.

[0091] In some embodiments, the thickness d of the suspension member 131 ranges from 0.02 mm to 0.15 mm.

[0092] Specifically, the value of the thickness d of the suspension member 131 may be, but is not limited to, 0.02 mm, 0.03 mm, 0.04 mm, 0.05 mm, 0.06 mm, 0.07 mm, 0.08 mm, 0.09 mm, 0.1 mm, 0.11 mm, 0.12 mm, 0.13 mm, 0.14 mm, 0.15 mm, etc.

[0093] It can be understood that the rigidity of the suspension member 131 is positively correlated with the thickness of the suspension member 131.

[0094] In this embodiment, when the thickness d of the suspension member 131 satisfies the range of 0.02 mm ≤ d ≤ 0.15 mm, the thickness of the suspension member 131 is within a reasonable range, so that the resonance frequency of the suspension member 131 is within a reasonable range, and further the resonance frequency of the elastic suspension mechanism 130 is within a reasonable range and is small, which is beneficial to the elastic suspension mechanism 130 to play a vibration filtering role and reduce the vibration amplitude of the motor module 100. When the thickness of the suspension member 131 is too large, the resonance frequency of the suspension member 131 is large, which may increase the resonance frequency of the elastic suspension mechanism 130, so that the difference between the resonance frequency of the elastic suspension mechanism 130 and the resonance frequency of the elastic support mechanism 140 is reduced, which is not conducive to the elastic suspension mechanism 130 to play a vibration filtering role. When the thickness of the suspension member 131 is too small, correspondingly, the rigidity of the suspension member 131 is too small, and it is difficult for the suspension member 131 to support the weight of the drive assembly 110. When the drive assembly 110 and the motion assembly 120 reciprocate in a direction perpendicular to the arrangement direction of the motion assembly 120 and the drive assembly 110, the risk of the suspension member 131 breaking is increased.

[0095] In some embodiments, in each of the elastic suspension mechanisms 130, the number of the suspension members 131, n, ranges from 2 to 10.

[0096] Specifically, the value of the number of the suspension members 131, n, may be, but is not limited to, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc.

[0097] In this embodiment, when the number of sheets n of the suspension member 131 satisfies the range of 2 ≤ n ≤ 10, the number of sheets of the suspension member 131 is within a reasonable range. On the one hand, under the condition that the total thickness of the elastic suspension mechanism 130 is constant, by increasing the number of sheets of the suspension member 131 and thinning the suspension member 131, the resonance frequency of the elastic suspension mechanism 130 can be greatly reduced, so that the elastic suspension mechanism 130 has a smaller resonance frequency. It has better elastic potential energy while ensuring stiffness, and can convert the vibration potential energy generated by the reciprocating movement of the moving component 120 and the driving component 110 into elastic potential energy to absorb vibration and achieve the effect of vibration reduction. When the number of sheets of the suspension member 131 is too large, the assembly difficulty of the elastic suspension mechanism 130 is increased, and under the condition that the total thickness of the elastic suspension mechanism 130 is constant, when the number of sheets of the suspension member 131 increases to a certain value, increasing the number of sheets of the suspension member 131 again is difficult to reduce the vibration frequency of the elastic suspension mechanism 130.

[0098] Preferably, the range of the number of sheets n of the suspension member 131 is: 2 ≤ n ≤ 6.

[0099] More preferably, the number of sheets n of the suspension member 131 is 3.

[0100] Optionally, in some embodiments, the range of the total thickness D of the elastic suspension mechanism 130 is: 0.1 mm ≤ D ≤ 0.6 mm. In other words, in the elastic suspension mechanism 130, the range of the total thickness D of the multiple suspension members 131 is: 0.1 mm ≤ D ≤ 0.6 mm. When the total thickness of the elastic suspension mechanism 130 meets a reasonable range, the elastic suspension mechanism 130 not only has a smaller resonance frequency to play a role in filtering vibration, thereby slowing down the vibration of the motor module 100; the elastic suspension mechanism 130 also has better rigidity, so that the driving component 110 can be stably movably connected to the frame 150, improving the service performance of the motor module 100.

[0101] In some embodiments, the number of the elastic suspension mechanisms 130 is two, and the two elastic suspension mechanisms 130 are respectively located at opposite ends of the driving component 110, and the elastic suspension mechanisms 130 located at opposite ends of the driving component 110 are symmetrically arranged with respect to the driving component 110.

[0102] Optionally, when each of the elastic suspension mechanisms 130 includes one piece of the suspension member 131, the thicknesses of the two relatively arranged suspension members 131 are equal. When each of the elastic suspension mechanisms 130 includes multiple pieces of the suspension member 131, in the two relatively arranged elastic suspension mechanisms 130, the arrangement of the multiple pieces of the suspension member 131 is symmetric, and the thicknesses of the correspondingly arranged multiple pieces of the suspension member 131 are equal. Specifically, taking one elastic suspension mechanism 130, the driving component 110, and the other elastic suspension mechanism 130 as an example, when arranged in sequence, in the direction pointing from the driving component 110 to the outside, the thickness of the suspension member 131 in one elastic suspension mechanism 130 shows a trend of being thin, thick, and thin, and the thickness of the suspension member 131 in the other elastic suspension mechanism 130 also shows a trend of being thin, thick, and thin.

[0103] In this embodiment, the elastic suspension mechanisms 130 located at the opposite ends of the driving component 110 are axially symmetric with respect to the driving component 110, so that the supporting forces of the two relatively arranged elastic suspension mechanisms 130 on the driving component 110 are equal or nearly equal. When the driving component 110 and the moving component 120 reciprocally move in a direction perpendicular to the arrangement direction of the moving component 120 and the driving component 110, the deformation degrees of the two relatively arranged elastic suspension mechanisms 130 are nearly the same, so as to absorb the vibration generated during the movement of the driving component 110, thereby improving the vibration damping effect of the elastic suspension mechanism 130.

[0104] In some embodiments, in the elastic suspension mechanism 130, the thickness of the suspension member 131 closest to the driving component 110 is equal to the thickness of the suspension member 131 farthest from the driving component 110. On the one hand, it is beneficial to simplify the assembly process of the elastic suspension mechanism 130. On the other hand, it can improve the symmetry inside the elastic suspension mechanism 130, so that the deformation degrees of the suspension member 131 closest to the driving component 110 and the suspension member 131 farthest from the driving component 110 are equal or nearly equal, so as to better absorb the vibration generated during the movement of the driving component 110.

[0105] Further, in the elastic suspension mechanism 130, the thickness of the suspension member 131 is symmetric about the midline in the thickness direction of the elastic suspension mechanism 130.

[0106] It can be understood that the thickness direction of the elastic suspension mechanism 130 is the direction in which the multiple pieces of the suspension member 131 are sequentially stacked.

[0107] In this embodiment, when the number of the suspension members 131 in the elastic suspension mechanism 130 is multiple, the thickness of the suspension members 131 is symmetrical about the midline of the elastic suspension mechanism 130 in the thickness direction, which is conducive to further improving the symmetry inside the elastic suspension mechanism 130. When the drive assembly 110 and the motion assembly 120 reciprocate along a direction perpendicular to the arrangement of the motion assembly 120 and the drive assembly 110, the deformation degree of the side of the elastic suspension mechanism 130 close to the drive assembly 110 and the side away from the drive assembly 110 are equal or almost equal, which is conducive to better absorbing vibration, so as to better play the role of vibration filtering, so that the vibration degree of the motor module 100 during operation is relatively small.

[0108] Furthermore, in some embodiments, in the elastic suspension mechanism 130, each of the suspension members 131 has a uniform thickness. On the one hand, this is conducive to further simplifying the manufacturing process and assembly process of the elastic suspension mechanism 130, and there is no need to set a plurality of suspension members 131 of different sizes. On the other hand, the symmetry inside the elastic suspension mechanism 130 can be further improved, and the deformation degrees of the multiple suspension members 131 are equal or almost equal, which is conducive to improving the fit between the multiple suspension members 131, so that the elastic suspension mechanism 130 has a better structural strength, and can better absorb the vibration generated by the driving component 110 during the movement.

[0109] Please also see Figure 6 and Figure 7 In some embodiments, the driving assembly 110 includes a base 111 and a driving member 112, and the driving member 112 is connected to the base 111; the elastic suspension mechanism 130 also includes a first clamping plate 132, a second clamping plate 133, a third clamping plate 134, a first fixing member 135 and a second fixing member 136, the first clamping plate 132 and the second clamping plate 133 are located on opposite sides of the suspension member 131 close to the base 111, the first fixing member 135 is sequentially penetrated through the first clamping plate 132, the suspension member 131 and the second clamping plate 133 and fixed, the first clamping plate 132, the second clamping plate 133 and the suspension member 131 are also connected to the base 111; the frame 150 and the third clamping plate 134 are located on opposite sides of the suspension member 131 away from the base 111, and the second fixing member 136 is sequentially penetrated through the frame 150, the suspension member 131 and the third clamping plate 134 and fixed.

[0110] It can be understood that the first clamping plate 132 and the second clamping plate 133 are closer to the base 111 than the third clamping plate 134 .

[0111] Understandably, along the arrangement direction of the elastic suspension mechanism 130 and the drive assembly 110, the first clamping plate 132, the suspension member 131, and the second clamping plate 133 are arranged in sequence; the frame 150, the suspension member 131, and the third clamping plate 134 are arranged in sequence.

[0112] Optionally, the connection manner of the first clamping plate 132, the second clamping plate 133, and the suspension member 131 to the base 111 may be, but is not limited to, welding.

[0113] In this embodiment, the first clamping plate 132 and the second clamping plate 133 are located on opposite sides of the suspension member 131 close to the base 111. The first fixing member 135 sequentially passes through the first clamping plate 132, the suspension member 131, and the second clamping plate 133 and is fixed, so as to clamp the multiple suspension members 131, so that the multiple suspension members 131 can be fully attached and play a vibration damping role. In addition, the first clamping plate 132, the second clamping plate 133, and the suspension member 131 are also connected to the base 111 to fix one end of the suspension member 131 close to the base 111 to the base 111, improving the structural stability of the connection between the elastic suspension mechanism 130 and the drive assembly 110. In addition, the materials of the frame 150 and the third clamping plate 134 are different, making it difficult to weld or resulting in poor structural stability after welding. Therefore, at the end of the suspension member 131 facing away from the base 111, the frame 150 acts as a clamping plate to cooperate with the third clamping plate 134 and the second fixing member 136 to clamp and fix the suspension member 131, which can not only avoid the problem that it is difficult to weld the frame 150 to the clamping plate, but also save space and materials to improve the structural stability of the connection between the elastic suspension mechanism 130 and the frame 150.

[0114] Understandably, the frame 150 is selected from zinc alloy materials, the third clamping plate 134 is selected from stainless steel materials, and the suspension member 131 is selected from stainless steel materials.

[0115] Optionally, the frame 150 has an inner side wall, and the inner side wall of the frame 150 and the third clamping plate 134 are located on opposite sides of the suspension member 131 facing away from the base 111. Understandably, the inner side wall of the frame 150 acts as a clamping plate to cooperate with the third clamping plate 134 and the second fixing member 136 to clamp and fix the suspension member 131.

[0116] Please refer to Figures 6 to 8, in some embodiments, the first fixing member 135 includes a first passing portion 1351, and a first fixing portion 1352 and a second fixing portion 1353 disposed on opposite sides of the first passing portion 1351. The first passing portion 1351 passes through the first clamping plate 132, one end of the suspension member 131, and the second clamping plate 133. The first fixing portion 1352 is disposed on a side of the first clamping plate 132 away from the suspension member 131, and the second fixing portion 1353 is disposed on a side of the second clamping plate 133 away from the suspension member 131, and the first fixing portion 1352 is closer to the base 111 than the second fixing portion 1353; the first clamping plate 132, one end of the suspension member 131, and the second clamping plate 133 are all provided with first connection holes 1311; an outer sidewall of the base 111 is provided with a first protruding portion 1112. The first protruding portion 1112 is disposed in the first connection hole 1311 and welds the second clamping plate 133, and there is a distance between the first fixing portion 1352 and the base 111.

[0117] Understandably, along the arrangement direction of the elastic suspension mechanism 130 and the drive assembly 110, the second fixing portion 1353, the first passing portion 1351, and the second fixing portion 1353 are arranged in sequence.

[0118] Understandably, the second clamping plate 133 is farther from the base 111 than the first clamping plate 132.

[0119] Understandably, along the arrangement direction of the elastic suspension mechanism 130 and the drive assembly 110, the second fixing portion 1353, the second clamping plate 133, the suspension member 131, the first clamping plate 132, the first fixing portion 1352, and the base 111 are arranged in sequence.

[0120] In this embodiment, the first penetrating portion 1351 sequentially penetrates through the first clamping plate 132, one end of the suspension member 131 close to the base 111, and the second clamping plate 133. The first fixing portion 1352 and the second fixing portion 1353 cooperate with each other to clamp the first clamping plate 132, the suspension member 131, and the second clamping plate 133, improving the degree of adhesion between the multiple suspension members 131, so that the suspension member 131 can play a vibration damping role. In addition, a first protruding portion 1112 is provided on the outer side wall of the base 111. The first protruding portion 1112 is used for welding the second clamping plate 133 to achieve a stable connection between the elastic suspension mechanism 130 and the base 111. The first protruding portion 1112 protrudes from the outer side wall of the base 111, so that there is a distance between the first fixing portion 1352 and the base 111. In other words, the design of the first protruding portion 1112 provides an avoidance space for the first fixing portion 1352, preventing the first fixing portion 1352 from directly abutting against the base 111, reducing the installation difficulty of the first fixing portion 1352, and facilitating the welding of the first protruding portion 1112 and the first connection hole 1311, simplifying the assembly difficulty of the motor module 100.

[0121] It should be noted that by welding the second clamping plate 133 to the first protruding portion 1112, the elastic suspension mechanism 130 can be fixedly connected to the base 111, and the second clamping plate 133 provided on the outside is also convenient for welding with the first protruding portion 1112, reducing the welding difficulty. Of course, in other embodiments, the first clamping plate 132 arranged closer to the inside can also be welded to the first protruding portion 1112 to further improve the connection performance. However, the suspension member 131 will not be welded to the first protruding portion 1112. The purpose of setting the clamping member in this embodiment is to transfer the welded part, preventing the suspension member 131 from being directly welded to the base 111, and preventing the suspension member 131 from being deformed by heat during welding, thus affecting properties such as stress and elasticity, and further affecting the vibration damping performance.

[0122] It can be understood that the first connection hole 1311 of the suspension member 131 is for the first protruding portion 1112 to pass through.

[0123] Optionally, the first protruding portion 1112 can be directly provided on the outer side wall of the base 111, or a fixing seat 1111 can be first provided on the outer side wall of the base 111, and then the first protruding portion 1112 can be provided on the side of the fixing seat 1111 away from the base 111, so as to use the fixing seat 1111 to make the first protruding portion 1112 away from the base 111, further ensuring that there is a certain distance between the first fixing portion 1352 and the outer side wall of the base 111, and preventing the first fixing portion 1352 from interfering with the base 111.

[0124] In some embodiments, the cross-sections of the first connection hole 1311 and the first protruding portion 1112 are non-circular.

[0125] Optionally, the cross-sections of the first connection hole 1311 and the first protruding portion 1112 may be, but are not limited to, triangular, square, rectangular, pentagonal, hexagonal, etc.

[0126] In this embodiment, the cross-sections of the first connection hole 1311 and the first protruding portion 1112 are non-circular. When the first protruding portion 1112 is disposed in the first connection hole 1311 and the first clamping plate 132, one end of the suspension member 131, and the second clamping plate 133 are welded, it can prevent the first clamping plate 132, the suspension member 131, and the second clamping plate 133 from twisting relative to the first protruding portion 1112, that is, it can prevent the first connection hole 1311 and the first protruding portion 1112 from rotating relative to each other in the circumferential direction, thereby preventing the elastic suspension mechanism 130 from twisting relative to the base 111 and improving the connection stability between the elastic suspension mechanism 130 and the base 111.

[0127] Please also refer to Figure 9 , in some embodiments, the driving assembly 110 includes a base 111 and a driving member 112, the driving member 112 is connected to the base 111, and the elastic support mechanism 140 includes a support member 141; the elastic support mechanism 140 further includes a fourth clamping plate 142, a fifth clamping plate 143, and a third fixing member 144; the fourth clamping plate 142 and the fifth clamping plate 143 are disposed on opposite sides of the support member 141 close to the base 111, and the third fixing member 144 sequentially passes through the fourth clamping plate 142, the support member 141, and the fifth clamping plate 143 and is fixed; the fourth clamping plate 142, the support member 141, and the fifth clamping plate 143 are fixed to the base 111; the distance between the elastic support mechanism 140 and the elastic suspension mechanism 130 is less than a preset distance; a second connection hole 1411 is provided at one end of the support member 141 facing away from the base 111, the moving assembly 120 is provided with a second protruding portion 121, and the second protruding portion 121 is disposed in the second connection hole 1411 and the other end of the support member 141 is welded; the cross-sections of the second connection hole 1411 and the second protruding portion 121 are non-circular.

[0128] It can be understood that along the arrangement direction of the elastic suspension mechanism 130 and the driving assembly 110, the fourth clamping plate 142, the support member 141, and the fifth clamping plate 143 are arranged in sequence.

[0129] Understandably, the distance between the elastic support mechanism 140 and the elastic suspension mechanism 130 refers to the minimum distance between the end of the elastic support mechanism 140 away from the base 111 and the end of the elastic suspension mechanism 130 away from the base 111 along the arrangement direction of the elastic suspension mechanism 130 and the drive assembly 110. Specifically, it refers to the minimum distance between the second fixing member 136 and the third fixing member 144 along the arrangement direction of the elastic suspension mechanism 130 and the drive assembly 110.

[0130] Understandably, the preset distance refers to the limit distance at which the elastic support mechanism 140 and the elastic suspension mechanism 130 are about to collide when they shake. The specific value of the preset distance is not limited here.

[0131] Optionally, the cross-sections of the second connection hole 1411 and the second protrusion 121 can be, but are not limited to, triangle, square, rectangle, pentagon, hexagon, etc.

[0132] In this embodiment, the fourth clamping plate 142 and the fifth clamping plate 143 are clamped on the opposite sides of the support member 141 close to the base 111 and fixed by the third fixing member 144, so that the multiple support members 141 are mutually attached, thereby enhancing the support effect and vibration damping effect of the elastic support mechanism 140 on the moving component 120. In addition, at one end of the support member 141 away from the base 111, due to space limitations, and during the process of the drive assembly 110 and the moving component 120, the elastic support mechanism 140 and the elastic suspension mechanism 130 will shake relatively to reduce vibration. Then, the distance between the elastic support mechanism 140 and the elastic suspension mechanism 130 is set to be less than the preset distance to avoid the elastic support mechanism 140 and the elastic suspension mechanism 130 from colliding with each other.

[0133] Optionally, when the number of support members 141 is multiple, the elastic support mechanism 140 may further include a fourth fixing member 145. The fourth fixing member 145 can penetrate through the other ends of the multiple support members 141 and be fixed, so as to fix the other ends of the multiple support members 141 together and prevent the other ends of the multiple support members 141 from loosening and separating. And when the elastic support mechanism 140 includes multiple support members 141, only the outermost support member 141, that is, the support member 141 away from the drive assembly 110, is welded to the second protrusion 121 to reduce the welding difficulty.

[0134] Further, the fourth fixing member 145 is directly passed through the side of the support member 141 facing away from the base 111 and the moving assembly 120 and fixed thereto. No clamping plate is provided on the side of the support member 141 facing away from the base 111, which can avoid occupying too much space, so that the distance between the elastic support mechanism 140 and the elastic suspension mechanism 130 is less than a preset distance. In addition, in order to improve the connection stability between the support member 141 and the moving assembly 120, the second protruding portion 121 of the moving assembly 120 is disposed in the second connection hole 1411 of the support member 141 and welded to the support member 141.

[0135] Still further, the cross-sections of the second connection hole 1411 and the second protruding portion 121 are non-circular, which can prevent the second protruding portion 121 from relatively twisting in the circumferential direction with respect to the second connection hole 1411. The second protruding portion 121 limits the second connection hole 1411, thereby preventing the support member 141 from twisting relative to the moving assembly 120, and further improving the connection stability between the elastic support assembly and the moving assembly 120.

[0136] Please refer to Figure 4 , optionally, the range of the distance L between the elastic support mechanism 140 and the elastic suspension mechanism 130 is: 2.5 mm ≤ L ≤ 3.0 mm.

[0137] Specifically, the value of the distance L between the elastic support mechanism 140 and the elastic suspension mechanism 130 can be, but is not limited to, 2.5 mm, 2.52 mm, 2.55 mm, 2.58 mm, 2.6 mm, 2.62 mm, 2.65 mm, 2.67 mm, 2.7 mm, 2.72 mm, 2.75 mm, 2.78 mm, 2.8 mm, 2.85 mm, 2.9 mm, 2.95 mm, and 3.0 mm, etc.

[0138] Please refer to Figure 10 , in some embodiments, the base 111 includes a bottom wall 1113, the bottom wall 1113 is provided with a positioning hole 1115, the fourth clamping plate 142, one end of the support member 141, and the fifth clamping plate 143 abut against the bottom wall 1113 and extend into the positioning hole 1115, and the fourth clamping plate 142 and the fifth clamping plate 143 are welded to the bottom wall 1113 in the positioning hole 1115.

[0139] It can be understood that along the arrangement direction of the moving assembly 120 and the driving assembly 110, the positioning hole 1115 penetrates through two opposite surfaces of the bottom wall 1113.

[0140] In this embodiment, one end of the fourth clamping plate 142, the support member 141, and the fifth clamping plate 143 are located within the positioning hole 1115, and the fourth clamping plate 142 and the fifth clamping plate 143 are welded to the bottom wall 1113. The processing method of the positioning hole 1115 is simple and can be used to position the installation positions of the fourth clamping plate 142, the support member 141, and the fifth clamping plate 143. In addition, by welding the fourth clamping plate 142 and the fifth clamping plate 143 to the bottom wall 1113, the connection stability between the fourth clamping plate 142, the support member 141, the fifth clamping plate 143 and the bottom wall 1113 can be improved, thereby enhancing the connection stability between the elastic support mechanism 140 and the base 111.

[0141] It should be noted that in this embodiment, only the fourth clamping plate 142 and the fifth clamping plate 143 are welded to the bottom wall 1113, and one end of the support member 141 is not welded to the bottom wall 1113. This can prevent the support member 141 from being deformed by heat during the welding process, avoid affecting the stress and elasticity of the support member 141, and thus ensure that the support member 141 has good damping performance.

[0142] Optionally, the base 111 further includes a side wall 1114 connected to the bottom wall 1113.

[0143] Optionally, the positioning hole 1115 includes a first sub-hole 1116 and a second sub-hole 1117 that communicate with each other. Along the arrangement direction of the moving component 120 and the driving component 110, the first sub-hole 1116 and the second sub-hole 1117 are arranged in sequence; and the maximum radial dimension of the first sub-hole 1116 is greater than or equal to the minimum radial dimension of the second sub-hole 1117. One end of the fourth clamping plate 142, the support member 141, and the fifth clamping plate 143 are located within the second sub-hole 1117. The first sub-hole 1116 can be used as a guiding hole for the second sub-hole 1117, facilitating the entry of the fourth clamping plate 142, the support member 141, and the fifth clamping plate 143 from the first sub-hole 1116 into the second sub-hole 1117, so as to improve the assembly performance of the motor module 100.

[0144] Optionally, along the arrangement direction of the moving component 120 and the driving component 110, the radial dimension of the first sub-hole 1116 gradually decreases. In other words, the inner side wall of the first sub-hole 1116 is an inclined surface and is inclined relative to the bottom wall 1113, which is convenient to be used as a guiding surface to guide the fourth clamping plate 142, the support member 141, and the fifth clamping plate 143 to be assembled into the second sub-hole 1117.

[0145] Optionally, please refer to Figure 8 andFigure 10 In some embodiments, the third fixing member 144 includes a second passing portion 1441, and a third fixing portion 1442 and a fourth fixing portion 1443 disposed on opposite sides of the second passing portion 1441. The second passing portion 1441 passes through the fourth clamping plate 142, one end of the support member 141, and the fifth clamping plate 143. The third fixing portion 1442 is disposed on a side of the fourth clamping plate 142 away from the support member 141, and the fourth fixing portion 1443 is disposed on a side of the fifth clamping plate 143 away from the support member 141. The side wall 1114 is provided with an avoidance groove 1118 and a receiving groove 1119. Both the third fixing portion 1442 and the fourth fixing portion 1443 are disposed in the avoidance groove 1118. The fourth clamping plate 142, one end of the support member 141, and the fifth clamping plate 143 are disposed in the receiving groove 1119, and the fourth clamping plate 142 and the fifth clamping plate 143 are further welded to the side wall 1114.

[0146] Understandably, along the arrangement direction of the elastic suspension mechanism 130 and the drive assembly 110, the third fixing portion 1442, the first passing portion 1351, and the second fixing portion 1353 are arranged in sequence.

[0147] Understandably, along the arrangement direction of the elastic suspension mechanism 130 and the drive assembly 110, the third fixing portion 1442, the fourth clamping plate 142, the support member 141, the fifth clamping plate 143, and the fourth fixing portion 1443 are arranged in sequence.

[0148] In this embodiment, the side wall 1114 is provided with an avoidance groove 1118 and a receiving groove 1119, so that when the third fixing member 144 passes through the fourth clamping plate 142, the support member 141, and the fifth clamping plate 143 and is located at the positioning hole 1115, the avoidance groove 1118 provides a setting space for the third fixing portion 1442 and the fourth fixing portion 1443 to avoid the structures of the third fixing portion 1442 and the fourth fixing portion 1443, thereby improving the service performance of the motor module 100. Additionally, when one end of the fourth clamping plate 142, the support member 141, and the fifth clamping plate 143 abuts against the bottom wall 1113, the fourth clamping plate 142, one end of the support member 141, and the fifth clamping plate 143 can be disposed in the receiving groove 1119, and the fourth clamping plate 142 and the fifth clamping plate 143 can be welded to the side wall 1114. One end of the support member 141 is not welded to the side wall 1114, thereby preventing the support member 141 from being deformed by heat due to welding, thus avoiding affecting properties such as stress and elasticity, and further avoiding affecting the vibration damping performance.

[0149] Please refer to Figure 11 andFigure 12 In addition, the present application also provides a hair trimmer 200, which includes a housing 210, a transmission assembly 220, a cutter head, and the motor module 100 provided by the present application. The motor module 100 is disposed within the housing 210. The transmission assembly 220 is connected to the moving assembly 120 of the motor module 100, and the cutter head assembly 230 is connected to the transmission assembly 220.

[0150] Understandably, the motor module 100 is disposed within the housing 210, and the frame 150 of the motor module 100 is connected to the housing 210.

[0151] Optionally, the hair trimmer 200 may be, but is not limited to, a razor.

[0152] In this embodiment, the motor module 100 is disposed within the housing 210. There is a difference between the resonance frequency of the elastic suspension mechanism 130 and the resonance frequency of the elastic support mechanism 140 of the motor module 100, so that the elastic suspension mechanism 130 can absorb the vibrations of the elastic support mechanism 140 and the base 111, thereby reducing the vibration frequency of the elastic suspension mechanism 130 and further reducing the vibration amplitude of the frame 150 and the housing 210, which is beneficial to improving the comfort when the user holds the hair trimmer 200. In addition, when the driving assembly 110 and the moving assembly 120 reciprocate in a direction perpendicular to the arrangement direction of the moving assembly 120 and the driving assembly 110, they will drive the transmission assembly 220 and the cutter head assembly 230 to reciprocate, thereby realizing the shearing of hair.

[0153] Understandably, in some embodiments, the moving assembly 120 includes a permanent magnet and a connecting seat. The permanent magnet is mounted on the connecting seat, and the connecting seat is connected to the elastic support mechanism 140. The driving member 112 includes an iron core, a winding frame, and a coil wound around the winding frame. The winding frame is mounted on the iron core. The iron core can be a U-shaped iron core, an E-shaped iron core, etc., and different types of iron cores can be selected according to actual needs, which will not be specifically limited here. After the coil passes through a current with alternating positive and negative polarities, the driving member 112 forms an electromagnet with a changing magnetic field. Through the magnetic induction effect between this electromagnet and the permanent magnet of the moving assembly 120, the moving assembly 120 is driven to reciprocate in a direction perpendicular to the arrangement direction of the moving assembly 120 and the driving assembly 110.

[0154] Please refer to Figure 13, in some embodiments, the number of the driving components 110, the number of the moving components 120, and the number of the transmission components 220 are all two. The two moving components 120 include a first moving component 120a and a second moving component 120b. The two transmission components 220 include a first transmission component 220a and a second transmission component 220b. The cutter head assembly 230 includes a plurality of cutter heads 234. The first transmission component 220a is connected to a first number of cutter heads 234, and the second transmission component 220b is connected to a second number of cutter heads 234. The second number is greater than the first number; the weight of the first transmission component 220a is greater than the weight of the second transmission component 220b, and / or the weight of the first moving component 120a is greater than the weight of the second moving component 120b; when the cutter head assembly 230 is connected to the transmission component 220, the two moving components 120 have a first operating parameter; when the cutter head assembly 230 is separated from the transmission component 220, the two moving components 120 have a second operating parameter, and the second operating parameter is less than the first operating parameter.

[0155] It can be understood that when the number of the driving components 110, the number of the moving components 120, and the number of the transmission components 220 are all two, along the arrangement direction of the moving components 120 and the driving components 110, one of the driving components 110, the first moving component 120a, and the first transmission component 220a are arranged in one-to-one correspondence, and the other driving component 110, the second moving component 120b, and the second transmission component 220b are arranged in one-to-one correspondence. In other words, one driving component 110 drives one moving component 120 and one transmission component 220 to move.

[0156] Optionally, the first number can be, but is not limited to, one, two, three, etc., and the second number can be, but is not limited to, two, three, four, etc.

[0157] It can be understood that when the cutter head assembly 230 is connected to the transmission component 220, the first moving component 120a and the second moving component 120b have the same first operating parameter; when the cutter head assembly 230 is separated from the transmission component 220, the first moving component 120a and the second moving component 120b have the same second operating parameter.

[0158] In this embodiment, the first transmission assembly 220a is connected to a first number of cutter heads 234, the second transmission assembly 220b is connected to a second number of cutter heads 234, and the second number is greater than the first number, so that the load of the first transmission assembly 220a is less than the load of the second transmission assembly 220b. In addition, the weight of the first transmission assembly 220a is greater than the weight of the second transmission assembly 220b, and / or the weight of the first motion assembly 120a is greater than the weight of the second motion assembly 120b, so that the loads of the two drive assemblies 110 are equal or nearly equal, and the load-bearing of the two drive assemblies 110 is balanced, which can avoid mechanical imbalance and vibration of the hair trimmer 200 caused by overweight on one side, effectively reduce vibration, improve the comfort of the user when using the hair trimmer 200, and reduce noise at the same time.

[0159] Further, when the cutter head assembly 230 is connected to the transmission assembly 220, the two motion assemblies 120 have a first operating parameter. At this time, the load-bearing of the two motion assemblies 120 located below the transmission assembly 220 is balanced, and / or the load-bearing of the two drive assemblies 110 located below the motion assembly 120 is balanced. The motion assembly 120 has a first operating parameter, and the first operating parameter is relatively large, which can improve the trimming efficiency of the hair trimmer 200. On the contrary, when the cutter head assembly 230 is separated from the transmission assembly 220, since the weight of the first transmission assembly 220a is greater than the weight of the second transmission assembly 220b, and / or the weight of the first motion assembly 120a is greater than the weight of the second motion assembly 120b, the loads of the two drive assemblies 110 are unbalanced at this time. At this time, the two motion assemblies 120 have a second operating parameter, and the second operating parameter is set to be less than the first operating parameter to simultaneously slow down the vibration frequency and amplitude of the two motion assemblies 120, avoid violent vibration of the hair trimmer 200 caused by overweight on one side, and thus avoid the motion assembly 120 with a lighter weight from hitting the wall due to the too large amplitude of the transmission assembly 220, which is beneficial to improving the service performance of the hair trimmer 200 and prolonging the service life of the hair trimmer 200.

[0160] Optionally, the first operating parameter and the second operating parameter are selected from the same one of operating amplitude, operating speed, and operating frequency.

[0161] It can be understood that the first operating parameter is selected from at least one of operating amplitude, operating speed, and operating frequency, and the second operating parameter is selected from at least one of operating amplitude, operating speed, and operating frequency.

[0162] In a specific embodiment, the first transmission assembly 220a includes a first counterweight 221 and a first transmission member 222, the second transmission assembly 220b includes a second counterweight 223, a second transmission member 224 and a third transmission member 225, and the plurality of cutter heads 234 include a first cutter head 231, a second cutter head 232, and a third cutter head 233. The first cutter head 231 is connected to the first transmission member 222, the second cutter head 232 is connected to the second transmission member 224, and the third cutter head 233 is connected to the third transmission member 225. The weight of the first counterweight 221 is greater than the weight of the second counterweight 223. When the cutter head assembly 230 is connected to the transmission assembly 220, the two motion assemblies 120 have a first operating parameter. When the cutter head assembly 230 is separated from the transmission assembly 220, the two motion assemblies 120 have a second operating parameter, and the second operating parameter is less than the first operating parameter.

[0163] Understandably, the first cutter head 231 is correspondingly arranged with the first transmission member 222, the second cutter head 232 is correspondingly arranged with the second transmission member 224, and the third cutter head 233 is correspondingly arranged with the third transmission member 225.

[0164] In this embodiment, the first transmission assembly 220a includes a first counterweight 221 and a first transmission member 222, the second transmission assembly 220b includes a second counterweight 223, a second transmission member 224 and a third transmission member 225. The first cutter head 231 is connected to the first transmission member 222, the second cutter head 232 is connected to the second transmission member 224, and the third cutter head 233 is connected to the third transmission member 225. In other words, the first transmission assembly 220a is connected to the first cutter head 231, and the second transmission assembly 220b is connected to the second cutter head 232 and the third cutter head 233. The weight of the first counterweight 221 is greater than the weight of the second counterweight 223, which can make the total weight of the first cutter head 231 and the first transmission assembly 220a equal to or almost equal to the total weight of the second cutter head 232, the third cutter head 233, and the second transmission assembly 220b. When the two transmission assemblies 220 are respectively carried by the two motion assemblies 120, the load-bearing of the two motion assemblies 120 is balanced, which can avoid mechanical imbalance and vibration of the hair trimmer 200 caused by overweight on one side, effectively reduce vibration, improve the comfort of the user when using the hair trimmer 200, and at the same time reduce noise.

[0165] Further, when the cutter head assembly 230 is connected to the transmission assembly 220, the moving assembly 120 has a first operating parameter, that is, the first cutter head 231 is connected to the first transmission member 222, the second cutter head 232 is connected to the second transmission member 224, and the third cutter head 233 is connected to the third transmission member 225. At this time, the load bearing of the two moving assemblies 120 and the driving assembly 110 located below the transmission assembly 220 is balanced. The moving assembly 120 has a first operating parameter, and the first operating parameter is relatively large, which can improve the trimming efficiency of the hair trimmer 200. Conversely, when the cutter head assembly 230 is separated from the transmission assembly 220, that is, the first cutter head 231 is separated from the first transmission member 222, the second cutter head 232 is separated from the second transmission member 224, and the third cutter head 233 is separated from the third transmission member 225. Since the weight of the first counterweight 221 is greater than the weight of the second counterweight 223, when the two transmission assemblies 220 are respectively carried on the two moving assemblies 120, the load bearing of the two moving assemblies 120 and the two driving assemblies 110 is unbalanced. At this time, the two moving assemblies 120 have a second operating parameter, and the second operating parameter is set to be less than the first operating parameter to simultaneously slow down the vibration frequency and amplitude of the two moving assemblies 120, so as to avoid affecting the distance vibration of the hair trimmer 200 due to overweight on one side, thereby avoiding the moving assembly 120 with a lighter weight from hitting the wall due to the excessive operating parameter of the transmission assembly 220, which is beneficial to improving the use performance of the hair trimmer 200 and extending the service life of the hair trimmer 200.

[0166] It can be understood that the magnetic field strength of the electromagnet formed by the driving member 112 can be adjusted by adjusting the current intensity passing through the coil, so as to adjust the moving speed, vibration amplitude and vibration frequency of the permanent magnet, that is, to adjust the moving speed, vibration amplitude and vibration frequency of the moving assembly 120 and the transmission assembly 220, thereby adjusting the first operating parameter and the second operating parameter.

[0167] Optionally, when the first operating parameter is the first amplitude and the second operating parameter is the second amplitude, the ratio of the second amplitude to the first amplitude satisfies the range: 25% to 40%.

[0168] Specifically, the ratio of the second amplitude to the first amplitude can be, but is not limited to, 20%, 22%, 23%, 25%, 26%, 28%, 30%, 32%, 33.33%, 35%, 36%, 37%, 38% and 40%, etc.

[0169] In this embodiment, the ratio of the second amplitude to the first amplitude satisfies the range of 25% to 40%. Then, the second amplitude is not only smaller than the first amplitude, but also reduced by more than 50% compared to the first amplitude. When the cutter head assembly 230 is separated from the transmission assembly 220, the vibration frequency and amplitude of the moving assembly 120 and the transmission assembly 220 can be greatly reduced, and the risk that the moving assembly 120 with a lighter weight collides with the wall due to the excessive amplitude of the transmission assembly 220 can be greatly reduced, which is beneficial to improving the service performance of the hair trimmer 200 and extending the service life of the hair trimmer 200.

[0170] Optionally, the hair trimmer 200 further includes a Hall sensor (not shown in the figure). The Hall sensor is disposed on or inside the housing 210 and is close to the cutter head assembly 230. The cutter head assembly 230 further includes a magnet (not shown in the figure). When the cutter head assembly 230 is connected to the transmission assembly 220, the Hall sensor can sense the magnetic field information of the cutter head assembly 230 to judge the positional relationship between the cutter head assembly 230 and the transmission assembly 220; when the cutter head assembly 230 is separated from the transmission assembly 220, the Hall sensor cannot sense the magnetic field information of the cutter head assembly 230.

[0171] Specifically, the cutter head assembly 230 further includes a cutter head housing (not shown in the figure). A plurality of the cutter heads 234 are disposed inside the cutter head housing, that is, the first cutter head 231, the second cutter head 232, and the third cutter head 233 are disposed inside the cutter head housing.

[0172] More specifically, the magnet is disposed on a side of the cutter head housing close to the housing 210. On the one hand, the magnet can be used to detect whether the first cutter head 231 is assembled to the first transmission assembly 220a, and on the other hand, the first cutter head 231 can be magnetically attracted to the housing 210.

[0173] In this application, the mention of "embodiment" or "implementation manner" means that the specific features, structures, or characteristics described in connection with the embodiment may be included in at least one embodiment of this application. The appearance of the phrase at various positions in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described in this application can be combined with other embodiments. In addition, it should also be understood that the features, structures, or characteristics described in each embodiment of this application can be combined arbitrarily without contradiction to form another embodiment that does not deviate from the spirit and scope of the technical solution of this application.

[0174] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and not to limit them. Although the present application has been described in detail with reference to the above preferred embodiments, those of ordinary skill in the art should understand that modifications or equivalent replacements can be made to the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A motor module, characterized in that: The motor module comprises: a driving component, a moving component, an elastic suspension mechanism, an elastic support mechanism and a frame, wherein at least a portion of the driving component, at least a portion of the moving component, at least a portion of the elastic suspension mechanism and at least a portion of the elastic support mechanism are all arranged in the frame; wherein, One end of the elastic suspension mechanism is connected to the driving assembly, and the other end is connected to the frame; one end of the elastic support mechanism is connected to the driving assembly, and the other end is connected to the motion assembly, the motion assembly is arranged on one side of the driving assembly, and the driving assembly and the motion assembly cooperate with each other to be able to reciprocate along a direction perpendicular to the arrangement direction of the motion assembly and the driving assembly; The resonant frequency of the elastic suspension mechanism is lower than the resonant frequency of the elastic support mechanism.

2. The motor module according to claim 1, characterized in that: The resonant frequency of the elastic suspension mechanism is f1, and the resonant frequency of the elastic support mechanism is f2, then the motor module satisfies the relationship: 0.0025≤f1 / f2≤0.

2.

3. The motor module according to claim 2, characterized in that: The range of the resonant frequency f1 of the elastic suspension mechanism is: 1 Hz ≤ f1 ≤ 30 Hz; the range of the resonant frequency f2 of the elastic support mechanism is: 150 Hz ≤ f2 ≤ 400 Hz.

4. The motor module according to claim 1, characterized in that: The rigidity of the elastic suspension mechanism is smaller than the rigidity of the elastic support mechanism.

5. The motor module according to claim 1, characterized in that: The total thickness of the elastic suspension mechanism is smaller than the total thickness of the elastic support mechanism.

6. The motor module according to claim 5, characterized in that: The elastic suspension mechanism comprises a suspension member, the elastic support mechanism comprises a support member, and the thickness of the suspension member is smaller than the thickness of the support member.

7. The motor module according to claim 6, characterized in that: The number of the suspension parts is multiple, and the multiple suspension parts are stacked along the direction of reciprocating movement of the driving component and the moving component; the thickness d of the suspension parts ranges from 0.02mm≤d≤0.15mm; in each of the elastic suspension mechanisms, the number n of the suspension parts ranges from 2≤n≤10.

8. The motor module according to claim 1, characterized in that: There are two elastic suspension mechanisms, which are respectively located at two opposite ends of the driving assembly. The elastic suspension mechanisms located at two opposite ends of the driving assembly are axially symmetrically arranged relative to the driving assembly.

9. The motor module according to claim 7, characterized in that: In the elastic suspension mechanism, the thickness of the suspension member is symmetrical about a center line of the elastic suspension mechanism in a thickness direction.

10. The motor module according to claim 6, characterized in that: The driving assembly includes a base and a driving member, and the driving member is connected to the base; the elastic suspension mechanism also includes a first clamping plate, a second clamping plate, a third clamping plate, a first fixing member and a second fixing member, the first clamping plate and the second clamping plate are located on opposite sides of the suspension member close to the base, the first fixing member is sequentially passed through the first clamping plate, the suspension member and the second clamping plate and fixed, and the first clamping plate, the second clamping plate and the suspension member are also connected to the base; The frame and the third clamping plate are located on two opposite sides of the hanging member away from the base, and the second fixing member is sequentially passed through the frame, the hanging member and the third clamping plate for fixing.

11. The motor module according to claim 10, characterized in that: The first fixing member includes a first penetration portion, and a first fixing portion and a second fixing portion provided at opposite sides of the first penetration portion, the first penetration portion is penetrated through the first clamping plate, one end of the hanging member, and the second clamping plate, the first fixing portion is provided at a side of the first clamping plate away from the hanging member, the second fixing portion is provided at a side of the second clamping plate away from the hanging member, and the first fixing portion is closer to the base than the second fixing portion; the first clamping plate, one end of the hanging member, and the second clamping plate are all provided with a first connecting hole; The outer side wall of the base is provided with a first protruding portion, the first protruding portion is arranged in the first connecting hole and welded to the second clamping plate, and there is a distance between the first fixing portion and the base.

12. The motor module according to claim 11, characterized in that: The cross sections of the first connecting hole and the first protrusion are non-circular.

13. The motor module according to any one of claims 1 to 12, characterized in that: The driving assembly includes a base and a driving member, the driving member is connected to the base, and the elastic support mechanism includes a support member; the elastic support mechanism also includes a fourth clamping plate, a fifth clamping plate and a third fixing member; the fourth clamping plate and the fifth clamping plate are arranged on opposite sides of the support member close to the base, and the third fixing member is sequentially passed through the fourth clamping plate, the support member and the fifth clamping plate and fixed; the fourth clamping plate, the support member and the fifth clamping plate are fixed to the base; The spacing between the elastic support mechanism and the elastic suspension mechanism is less than a preset distance, a second connecting hole is provided at one end of the support member facing away from the base, the moving component is provided with a second protrusion, the second protrusion is provided in the second connecting hole and welded to the other end of the support member; the cross-sections of the second connecting hole and the second protrusion are non-circular.

14. The motor module according to claim 13, characterized in that: The base includes a bottom wall, which is provided with a positioning hole. The fourth clamping plate, one end of the support member, and the fifth clamping plate abut against the bottom wall and extend into the positioning hole, and the fourth clamping plate and the fifth clamping plate are welded to the bottom wall in the positioning hole.

15. A hair trimmer, characterized in that: The hair trimmer comprises a housing, a transmission assembly, a cutter head assembly, and a motor module as described in any one of claims 1 to 14, wherein the motor module is disposed in the housing, the transmission assembly is connected to a motion assembly of the motor module, and the cutter head assembly is connected to the transmission assembly.

16. The hair trimmer according to claim 15, characterized in that The number of the driving components, the number of the motion components, and the number of the transmission components are all two, the two motion components include a first motion component and a second motion component, the two transmission components include a first transmission component and a second transmission component, the cutter head component includes a plurality of cutter heads, the first transmission component is connected to a first number of cutter heads, the second transmission component is connected to a second number of cutter heads, and the second number is greater than the first number; The weight of the first transmission assembly is greater than the weight of the second transmission assembly, and / or the weight of the first motion assembly is greater than the weight of the second motion assembly; When the cutter head assembly is connected to the transmission assembly, the two motion assemblies have a first operating parameter; when the cutter head assembly is separated from the transmission assembly, the two motion assemblies have a second operating parameter, and the second operating parameter is less than the first operating parameter; The first operating parameter and the second operating parameter are selected from the same one of operating amplitude, operating speed and operating frequency.

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