Motor, anti-shake motion assembly, camera module and electronic equipment

Abstract

The utility model provides a motor, an anti-shake motion assembly, a camera module and an electronic device, the motor comprises a first rolling member, a first support member and a second support member, the first rolling member is arranged between the first support member and the second support member and is in contact with the first support member and the second support member, and the second rolling member is arranged between the first support member and the second support member. The contact surfaces on the two supporting pieces are respectively a first contact surface and a second contact surface, the planeness of the first contact surface and / or the second contact surface is less than or equal to 0.015 mm, the roughness is less than or equal to 0.013 mu m, and the Vickers hardness of a corresponding material is greater than or equal to 250HV. According to the motor, the anti-shake motion assembly, the camera module and the electronic equipment provided by the invention, the friction force between the rolling piece and the supporting piece can be reduced, and the reliability of the structure is improved.

Description

Technical Field

[0001] This application relates to the field of electronic device technology, specifically to a motor, a motion stabilization component, a camera module, and an electronic device. Background Technology

[0002] Optical image stabilization (OIS) is a common method to improve image quality. When performing optical image stabilization, optical elements are usually translated or rotated by a drive device such as a motor to compensate for shake.

[0003] Early cameras primarily used a spring-loaded suspension system for suspension, with the springs and suspension wires acting as the driving structure when the stator and mover components moved relative to each other. As the camera industry developed, the base of image sensors became larger and lenses heavier, leading to reliability issues with the spring-loaded suspension system. Ball bearings and sliding shaft motors gradually became the mainstream solutions.

[0004] Ball bearing and sliding shaft motors connect the mover and stator assemblies via balls or sliding shafts. During movement, friction is generated between the balls or sliding shafts and the contact surfaces. Excessive friction increases the driving force required and hinders high-precision control by the camera motor control algorithm. For example, a sudden increase in friction can occur when the balls or sliding shafts roll to the edge of the receiving groove, leading to increased friction. Furthermore, in the event of a collision with the camera module, the balls or sliding shafts can easily dent the supporting surface. Utility Model Content

[0005] This application provides a motor, a motion stabilization component, a camera module, and an electronic device that can reduce the friction between the rolling element and the support structure and improve structural reliability.

[0006] In a first aspect, a first support member, which is a metal part, is provided; a second support member, which is also a metal part, is disposed opposite to the first support member and is capable of relative movement with respect to the first support member; and a first rolling member, which is disposed between the first support member and the second support member and is in contact with both the first support member and the second support member respectively. The first support member includes a first contact surface, and the first rolling member is supported on the first contact surface. The second support member includes a second contact surface, and the second support member is supported on the first rolling member through the second contact surface. The first contact surface and the second contact surface are disposed opposite to each other. The flatness of the first contact surface and / or the second contact surface is less than or equal to 0.015 mm, the roughness of the first contact surface and / or the second contact surface is less than or equal to 0.013 μm, and the Vickers hardness of the material of the first contact surface and / or the second contact surface is greater than or equal to 250 HV.

[0007] In the embodiments provided in this application, the first rolling element is supported between the first support and the second support, and the flatness of the first contact surface and / or the second contact surface is less than or equal to 0.015 mm and the roughness is less than or equal to 0.013 μm. This reduces the friction between the first rolling element and the first support and / or the second support, thereby reducing the driving force required during the relative movement between the first and second support. It also alleviates the problem of abrupt change in friction after the first rolling element slides to the edge, thus improving the driving accuracy of the motor. The Vickers hardness of the material of the first contact surface and / or the second contact surface is greater than or equal to 250 HV, which improves the structural reliability of the motor and prevents the first rolling element from denting or scratching the first support and / or the second support when the motor is dropped or collided, thus affecting the smoothness of subsequent motor movements.

[0008] In conjunction with the first aspect, in some implementations of the first aspect, the elastic modulus of the materials of the first contact surface and / or the second contact surface is greater than or equal to 205 GPa.

[0009] In the embodiments provided in this application, the elastic modulus of the material of the first contact surface and / or the second contact surface is greater than or equal to 205 GPa, which can further improve the structural reliability of the motor.

[0010] In conjunction with the first aspect, in some implementations of the first aspect, the first support member includes a first groove, the first groove including a first bottom wall and a first side wall, the first side wall being circumferentially disposed around the outer periphery of the first bottom wall, and the first contact surface being located on the first bottom wall; the first support member further includes a third contact surface, the third contact surface being located on the first side wall, the flatness of the third contact surface being less than or equal to 0.015 mm, the roughness of the third contact surface being less than or equal to 0.013 μm, and the Vickers hardness of the material of the third contact surface being greater than or equal to 250 HV.

[0011] In the embodiments provided in this application, the first support member includes a first groove, the first groove includes a third contact surface, and the flatness of the third contact surface is less than or equal to 0.015 mm, the roughness of the third contact surface is less than or equal to 0.013 μm, and the Vickers hardness of the material of the third contact surface is greater than or equal to 250 HV, which can further alleviate the problem of sudden change in friction between the first rolling member and the first support member when the first rolling member moves to the edge position.

[0012] In conjunction with the first aspect, in some implementations of the first aspect, the elastic modulus of the material of the third contact surface is greater than or equal to 205 GPa.

[0013] In the embodiments provided in this application, the elastic modulus of the material of the third contact surface is greater than or equal to 205 GPa, which can further improve the structural reliability of the motor.

[0014] In conjunction with the first aspect, in some implementations of the first aspect, the second support member includes a second groove, the second groove including a second bottom wall and a second side wall, the second side wall being circumferentially disposed around the outer periphery of the second bottom wall, and the second contact surface being located on the second bottom wall; the second support member further includes a fourth contact surface, the fourth contact surface being located on the second side wall, the flatness of the fourth contact surface being less than or equal to 0.015 mm, the roughness of the fourth contact surface being less than or equal to 0.013 μm, and the Vickers hardness of the material of the fourth contact surface being greater than or equal to 250 HV.

[0015] In the embodiments provided in this application, the second support member includes a second groove, the second groove includes a fourth contact surface, and the flatness of the fourth contact surface is less than or equal to 0.015 mm, the roughness of the fourth contact surface is less than or equal to 0.013 μm, and the Vickers hardness of the material of the fourth contact surface is greater than or equal to 250 HV. This can further alleviate the problem of abrupt change in friction between the first rolling member and the second support member when the first rolling member moves to the edge position.

[0016] In conjunction with the first aspect, in some implementations of the first aspect, the elastic modulus of the material of the fourth contact surface is greater than or equal to 205 GPa.

[0017] In the embodiments provided in this application, the elastic modulus of the material of the fourth contact surface is greater than or equal to 205 GPa, which can further improve the structural reliability of the motor.

[0018] In conjunction with the first aspect, in some implementations of the first aspect, the motor includes a stator assembly, the stator assembly including the first support member and a first injection molded part, the first support member being embedded in the first injection molded part.

[0019] In the embodiments provided in this application, the first support member is embedded in the first injection molded part, which can improve the structural stability of the first support member. Furthermore, by embedding the first support member in the first injection molded part, the support structure composed of the first rolling member, the first support member, and the second support member can be easily applied to different motion scenarios.

[0020] In conjunction with the first aspect, in some implementations of the first aspect, the motor includes a mover assembly, the mover assembly including a first movable component, the first movable component being translatable or rotatable relative to the stator assembly, the first movable component including a second support member and a second injection molded part, the second support member being embedded in the second injection molded part.

[0021] In the embodiments provided in this application, the second support member is embedded in the second injection molded part, which can improve the structural stability of the second support member. Furthermore, by embedding the second support member in the second injection molded part, the support structure composed of the first rolling member, the first support member, and the second support member can be easily applied to different motion scenarios.

[0022] In conjunction with the first aspect, in some implementations of the first aspect, the second support member includes a first support portion, a second support portion, and a first connecting portion, the first connecting portion being disposed between the first support portion and the second support portion, and the first support portion and the second support portion being located on different surfaces, the second contact surface being located on the first support portion; the moving part assembly further includes a second movable component, the second movable component being rotatable relative to the first movable component, the second movable component including a third support member, the third support member being disposed opposite to the second support portion; the motor further includes a second rolling element, the second rolling element being disposed between the second support portion and the third support member, and contacting the second support portion and the third support member respectively.

[0023] In the embodiments provided in this application, when the motor supports multiple motion modes, the provision of a first rolling element, a second rolling element, and a corresponding support structure facilitates the reduction of friction in various motion modes while maintaining structural reliability. The shared support components for the first and second rolling elements simplify the motor's manufacturing process.

[0024] In conjunction with the first aspect, in some implementations of the first aspect, the second support includes a fifth contact surface, and the second rolling element is supported on the fifth contact surface; the third support includes a sixth contact surface, and the third support is supported on the second rolling element through the sixth contact surface; the flatness of the fifth contact surface and / or the sixth contact surface is less than or equal to 0.015 mm, the roughness of the fifth contact surface and / or the sixth contact surface is less than or equal to 0.013 μm, and the Vickers hardness of the material of the fifth contact surface and / or the sixth contact surface is greater than or equal to 250 HV.

[0025] In the embodiments provided in this application, the flatness of the fifth contact surface and / or the sixth contact surface is less than or equal to 0.015 mm, the roughness is less than or equal to 0.013 μm, and the Vickers hardness of the material of the fifth contact surface and / or the sixth contact surface is greater than or equal to 250 HV. This can reduce the friction between the second rolling element and the second support element and / or the third support element, alleviate the problem of sudden change in friction after the second rolling element moves to the edge position, and improve the structural reliability of the motor.

[0026] In conjunction with the first aspect, in some implementations of the first aspect, the elastic modulus of the material of the fifth contact surface and / or the sixth contact surface is greater than or equal to 205 GPa.

[0027] In the embodiments provided in this application, the elastic modulus of the material of the fifth contact surface and / or the sixth contact surface is greater than or equal to 205 GPa, which can further improve the structural reliability of the motor.

[0028] In conjunction with the first aspect, in some implementations of the first aspect, the material of the first support member, the second support member, or the third support member is any one of the following materials: 316 stainless steel, 430 stainless steel.

[0029] In the embodiments provided in this application, the first support member, the second support member, or the third support member is made of 316 stainless steel or 430 stainless steel, which facilitates the achievement of high flatness and smoothness on the surface of the first support member, the second support member, or the third support member, and makes the first support member, the second support member, or the third support member have high hardness and high elastic modulus, thereby reducing the friction between the rolling element and the support member and improving the structural reliability.

[0030] In conjunction with the first aspect, in some implementations of the first aspect, the first support member, the second support member, or the third support member is formed by heat treatment, polishing, and stamping processes.

[0031] In the embodiments provided in this application, the first support member, the second support member, or the third support member is formed by heat treatment, polishing, and stamping processes, which facilitates the achievement of high flatness and smoothness of the surface of the first support member, the second support member, or the third support member, and also facilitates the achievement of high hardness and high elastic modulus of the first support member, the second support member, or the third support member.

[0032] In a second aspect, a motion stabilization component is provided, including a motor as described in the first aspect or any possible implementation thereof.

[0033] Thirdly, a camera module is provided, including the image stabilization motion component as described in the second aspect.

[0034] Fourthly, an electronic device is provided, including a camera module as described in the third aspect. Attached Figure Description

[0035] Figure 1 This is a schematic diagram of the structure of an electronic device;

[0036] Figure 2 This is a partial structural schematic diagram of a motor provided in an embodiment of this application;

[0037] Figure 3 This is an illustrative description of flatness and roughness provided in the embodiments of this application;

[0038] Figure 4 This is a schematic flowchart of a motor manufacturing method provided in an embodiment of this application;

[0039] Figure 5 This is a schematic diagram of the overall structure of a motion stabilization component provided in an embodiment of this application;

[0040] Figure 6 and Figure 7 This is an exploded structural diagram of a motion stabilization component provided in an embodiment of this application;

[0041] Figure 8 This is an exploded structural diagram of a first active part provided in an embodiment of this application;

[0042] Figure 9 This is a schematic diagram of the back structure of a coil support provided in an embodiment of this application;

[0043] Figure 10 This is a schematic diagram of the structure of an upper active component provided in an embodiment of this application;

[0044] Figure 11 This is a front structural diagram of a coil support provided in an embodiment of this application;

[0045] Figure 12 This is an exploded structural diagram of a coil support provided in an embodiment of this application;

[0046] Figure 13 This application provides a partial structural schematic diagram of a motor;

[0047] Figure 14 This is a schematic diagram of the overall structure of a motion stabilization component provided in an embodiment of this application;

[0048] Figure 15 This is an exploded structural diagram of a motion stabilization component provided in an embodiment of this application;

[0049] Figure 16 This is an exploded structural diagram of a base provided in an embodiment of this application;

[0050] Figure 17 This is an exploded structural diagram of a head-shaking component from a rear view, provided in an embodiment of this application;

[0051] Figure 18 This is an exploded structural diagram of a nodding component provided in an embodiment of this application;

[0052] Figure 19 This is an exploded structural diagram of a head-shaking component provided in an embodiment of this application from a frontal view.

[0053] Figure 20 and Figure 21 This is a schematic diagram of the structure of the second support member provided in the embodiments of this application. Detailed Implementation

[0054] The technical solutions in this application will now be described with reference to the accompanying drawings.

[0055] References to "one embodiment" or "some embodiments" as described in this specification mean that one or more embodiments of this application include a specific feature, structure, or characteristic described in connection with that embodiment. Therefore, phrases such as "in one embodiment," "in some embodiments," "in other embodiments," "in still other embodiments," etc., appearing in different parts of this specification do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized.

[0056] In the various embodiments of this application, the terms "first," "second," etc., are merely to indicate that multiple objects are different. For example, "first support member" and "second support member" are only to indicate different support members. They should not have any impact on the support members themselves or their number, and the aforementioned "first," "second," etc., should not impose any limitations on the embodiments of this application.

[0057] The terms “including,” “comprising,” “having,” and variations thereof all mean “including but not limited to,” unless otherwise specifically emphasized.

[0058] Figure 1 A schematic diagram of the structure of an electronic device provided in an embodiment of this application is shown.

[0059] The electronic device 100 involved in this application embodiment is an electronic device with imaging function (such as video recording or photography), such as mobile phone, personal digital assistant (PDA) computer, tablet computer, laptop computer, laptop computer, camera, video recorder, camera, smartwatch, smart wristband, in-vehicle computer, TV (or smart screen), etc.

[0060] This application does not impose any special limitations on the specific form of the electronic device 100. For ease of explanation and understanding, the following description uses a mobile phone as an example. For instance, Figure 1 (a) and (b) schematically show the front and back of the electronic device 100, respectively.

[0061] like Figure 1 As shown, the electronic device 100 may include a housing 101, a display screen 102, and a camera module 103.

[0062] The housing 101 has a receiving space for accommodating the components of the electronic device 100. The housing 101 also serves to protect the electronic device 100 and support the entire device. The display screen 102 and the camera module 103 are disposed within the receiving space of the housing 101 and connected to the housing 101. In some embodiments, the housing 101 may include a back cover opposite to the display screen 102 and a mid-frame disposed inside the electronic device 100; the display screen 102 and the camera module 103 may be fixed to the mid-frame. The housing 101 may be made of metal, plastic, ceramic, or glass.

[0063] The display screen 102 is used to display images, such as images captured by the camera module 103. The display screen 102 can be a liquid crystal display (LCD) screen, an organic light-emitting diode (OLED) screen, etc., where the OLED screen can be a flexible or rigid display screen. The display screen 102 can be a regular screen, or an irregularly shaped screen, a foldable screen, etc. The display screen 102 can be located on the front and / or back of the electronic device 100. Here, the front of the electronic device 100 can be understood as the side facing the user when using the electronic device 100, and the back of the electronic device 100 can be understood as the side facing away from the user when using the electronic device 100.

[0064] The camera module 103 is used to capture images or videos. The camera module 103 can be disposed on the front and / or back of the electronic device 100. When the camera module 103 is disposed on the front of the electronic device 100, it can be used to capture scenes located on one side of the front of the electronic device 100, for example, for selfies; in some embodiments, this can be referred to as a front-facing camera. When the camera module 103 is disposed on the back of the electronic device 100, it can be used to capture scenes located on one side of the back of the electronic device 100; in some embodiments, this can be referred to as a rear-facing camera. During shooting, the user can select the appropriate camera module according to their shooting needs.

[0065] It should be understood that Figure 1 The installation position of the camera module 103 is merely illustrative.

[0066] In some embodiments, when the camera module 103 is used as a front-facing camera, it can be installed on any position on the front of the electronic device 100 other than the display screen 102, such as the left side of the earpiece, the upper center of the electronic device 100, the lower part of the electronic device 100, or the four corners of the electronic device 100. The camera module 103 can also be disposed in a cutout area on the display screen 102. When the camera module 103 is used as a rear-facing camera, it can be installed on any position on the back of the electronic device 100, such as the upper left corner, the upper right corner, or the upper center.

[0067] In some other embodiments, the camera module 103 may not be disposed on the main body of the electronic device 100, but rather on an edge protruding from the main body of the electronic device 100, or on a component that is movable or rotatable relative to the electronic device 100. This component can extend, retract, or rotate from the main body of the electronic device 100, allowing the camera module 103 to be hidden inside the electronic device 100 or at least partially ejected from the electronic device 100. When the camera module 103 is rotatable relative to the electronic device 100, it functions as both a front-facing camera and a rear-facing camera; that is, by rotating the same camera module 103, it can capture images from both the front and rear sides of the electronic device 100.

[0068] In other embodiments, when the display 102 can be folded, the camera module 103 can function as a front-facing camera or a rear-facing camera as the display 102 folds.

[0069] This application embodiment does not limit the number of camera modules 103; it can be one, two, four, or even more. For example, one or more camera modules 103 can be set on the front of the electronic device 100, and / or one or more camera modules 103 can be set on the back of the electronic device 100. When multiple camera modules 103 are set, they can be identical or different. For example, the multiple camera modules 103 may have different lens optical parameters, different lens placement positions, or different lens shapes. This application embodiment also does not limit the relative positions of the multiple camera modules.

[0070] In some embodiments, the electronic device 100 may further include a protective lens 104 for protecting the camera module 103. The protective lens 104 is disposed on the housing 101 and covers the camera module 103.

[0071] In some embodiments, when the protective lens 104 is used to protect the front-facing camera, the protective lens 104 may cover only the front-facing camera module or cover the entire front of the electronic device 100. When the protective lens 104 covers the entire front of the electronic device 100, it can be used to protect both the front-facing camera module and the display screen 102 simultaneously. The protective lens 104 is a cover glass (CG).

[0072] In some embodiments, when the protective lens 104 is used to protect the rear camera, the protective lens 104 may cover the entire back of the electronic device 100, or it may be set only at the position corresponding to the rear camera module.

[0073] The protective lens 104 can be made of glass, sapphire, ceramic, etc., and this application embodiment does not impose any special limitations. The protective lens 104 can be transparent, allowing light from outside the electronic device 100 to pass through the protective lens 104 and enter the camera module 103.

[0074] It should be understood that Figure 1 The structure shown in the diagram does not constitute a specific limitation on the electronic device 100. The electronic device 100 may include more or fewer components than shown in the diagram. For example, the electronic device 100 may also include one or more of the following components: battery, flash, fingerprint recognition module, earpiece, button, sensor, etc. The electronic device 100 may also have a different component arrangement than shown in the diagram.

[0075] As described above, the camera module 103 of this electronic device can be equipped with an image stabilization drive structure to enable the camera module 103 to have image stabilization function and reduce the impact of shaking during shooting on image quality. In the image stabilization structure, a ball or sliding shaft is provided between the moving part and the stator part. When the moving part moves relative to the stator part, the ball or sliding shaft rolls in the receiving groove. When it rolls to the edge of the receiving groove, the movement space is restricted, and the movement mode of the ball or sliding shaft changes from rolling mode to sliding mode. As a result, the friction between the ball or sliding shaft and the contact surface changes abruptly from rolling friction to sliding friction, leading to an increase in friction. This can easily lead to an increase in the driving force of the drive device. Furthermore, the abrupt change in friction is not conducive to high-precision control of the camera motor control algorithm, affecting the accuracy of the image stabilization movement and thus affecting image quality. In addition, when the camera module is dropped or collided, the ball or sliding shaft can easily dent its supporting surface, resulting in poor structural reliability.

[0076] Therefore, embodiments of this application provide a motor to reduce the frictional force of the movement of balls or sliding shafts in the motor and improve the reliability of the motor structure.

[0077] Figure 2 This is a schematic diagram of the cross-sectional structure of the motor, as shown below. Figure 2 As shown, the motor includes a first rolling element 231, a first support element 211, and a second support element 221. The first rolling element 231 is disposed between the first support element 211 and the second support element 221, and is in contact with both the first support element 211 and the second support element 221. The first support element 211 includes a first contact surface, on which the first rolling element 231 rests. The second support element 221 includes a second contact surface, which rests on the first rolling element 231. The flatness of the first contact surface and / or the second contact surface is less than or equal to 0.015 mm, the roughness of the first contact surface and / or the second contact surface is less than or equal to 0.013 μm, and the Vickers hardness of the material corresponding to the first contact surface and / or the second contact surface is greater than or equal to 250 HV.

[0078] It should be understood that, for Figure 2 The motor structure shown has a first rolling element 231 supported on a first support element 211, and a second support element 221 supported on the first rolling element 231. The direction shown is schematic. The first rolling element 231 contacts the first support element 211 and the second support element 221 through a first contact surface and a second contact surface, respectively. In this application, the relationship between the first rolling element 231 and the first support element 211 and the second support element 221 can also be described as the first rolling element 231 being supported on the second support element 221 and the first support element 211 being supported on the first rolling element 231.

[0079] Figure 3 To illustrate the flatness and roughness, where, Figure 3 (a) in the diagram is a schematic representation of surface flatness. Figure 3 (b) in the figure is a schematic diagram of surface roughness.

[0080] like Figure 3 As shown in (a), the actual plane can be considered to lie between two ideal planes. The minimum distance f between these two ideal planes is the flatness of the actual plane. This actual plane can be, for example, the first contact surface or the second contact surface. The smaller the flatness, the closer the plane is to the ideal plane. Figure 3 As shown in (b), the roughness can refer to the microscopic unevenness of the contact surface. For example, the surface of the actual plane has multiple tiny peaks or valleys with a certain distance between them and the baseline. The roughness can be the arithmetic mean of the absolute values ​​of the distances between the peaks or valleys and the baseline within a certain sampling length (also called the profile arithmetic mean deviation), or it can be the maximum distance difference between the peaks and valleys (also called the profile maximum height). The baseline can correspond to an ideal plane. The baseline can be the least squares midline of the profile corresponding to the actual plane, or it can be the arithmetic mean midline of the profile. The least squares midline can refer to the point where the sum of the squares of the sampling offsets of all points on the profile is minimized within the sampling length. The arithmetic mean midline can be a midline where the areas of the profiles above and below it are the same within the sampling length. The smaller the roughness, the smoother the plane.

[0081] In the embodiments provided in this application, the flatness of the first contact surface and / or the second contact surface is less than or equal to 0.015 mm, and the roughness is less than or equal to 0.013 μm. This reduces the friction between the first rolling element 231 and the first contact surface and / or the second contact surface, alleviating the problem of sudden frictional changes when the first rolling element 231 moves to the edge position. This improves the control accuracy of the motor, reduces the driving force of the motor, and lowers the driving power consumption. The Vickers hardness of the material corresponding to the first contact surface and / or the second contact surface is greater than or equal to 250 HV, which can mitigate the problem of the first rolling element 231 denting the first contact surface and / or the second contact surface when the camera module is dropped or collided, thus improving the reliability of the motor structure.

[0082] For example, the flatness of the first contact surface and / or the second contact surface can be a value of 0.014mm, 0.013mm, 0.012mm, 0.011mm, 0.01mm, 0.009mm, 0.008mm, 0.007mm, 0.006mm, 0.005mm, 0.004mm, 0.003mm, 0.002mm, 0.001mm, etc.

[0083] For example, the roughness of the first contact surface and / or the second contact surface may be 0.012 μm, 0.011 μm, 0.01 μm, 0.009 μm, 0.008 μm, 0.007 μm, 0.006 μm, 0.005 μm, 0.004 μm, 0.003 μm, 0.002 μm, or 0.001 μm.

[0084] For example, the Vickers hardness of the material of the first contact surface and / or the second contact surface can be values ​​such as 255HV, 257HV, 260HV, 263HV, 266HV, 270HV, 272HV, 276HV, 279HV, 283HV, 288HV, etc.

[0085] In some embodiments, the roughness range of the first contact surface and / or the second contact surface can be achieved by polishing.

[0086] For example, the polishing technique can be mechanical polishing. Mechanical polishing can refer to the gradual polishing of the surfaces of the first support member 211 and / or the second support member 221 with abrasives until the desired roughness is obtained. The selected abrasives can be from coarse to fine and the polishing can be carried out gradually.

[0087] By controlling parameters such as the coarseness of the abrasive and the polishing time, the range of surface roughness can be adjusted.

[0088] For example, the polishing technique can also be chemical polishing or electropolishing. Chemical polishing refers to immersing metal in a specific chemical solution and dissolving the surface layer under certain conditions through a chemical reaction to reduce surface roughness. Electropolishing refers to dissolving the surface layer through an electrochemical reaction process to reduce surface roughness.

[0089] For example, the roughness range of the first contact surface and / or the second contact surface can also be achieved through ultra-precision cutting or surface coating technology. Ultra-precision cutting technology refers to cutting the surfaces of the first support 211 and / or the second support 221 using ultra-precision machine tools and cutting tools to reduce surface roughness. Surface coating technology can include techniques such as physical vapor deposition (PVD) and chemical vapor deposition (CVD) to form a dense and smooth protective film on the surface of the first support 211 and / or the second support 221 through physical or chemical means to reduce surface roughness.

[0090] In some embodiments, the flatness range of the first contact surface and / or the second contact surface can also be achieved by polishing. Flatness and roughness are adjusted by controlling process parameters such as abrasive roughness and polishing time to meet the required specifications.

[0091] For example, the flatness range of the first contact surface and / or the second contact surface can also be achieved by cutting, grinding, or other methods. The cutting method can be grinding, milling, or other methods. Grinding can involve cutting the surface of the structural component using a grinding wheel; milling can involve cutting the surface of the structural component using a milling machine, controlling the milling accuracy by controlling the milling path and speed of the milling cutter. Grinding can be a process of adding abrasive material between two working surfaces and allowing them to rub against each other to remove trace amounts of material to obtain a smooth and flat surface.

[0092] It should be understood that, for the first support member 211, only the first contact surface may be subjected to the aforementioned polishing or other processing to ensure that the first contact surface meets the flatness and roughness requirements, while other areas may not be processed accordingly. Alternatively, the entire first support member 211 may be subjected to the aforementioned polishing or other processing; this application does not limit this approach. The second support member 221 is similar.

[0093] In some embodiments, the hardness of the materials of the first contact surface and / or the second contact surface can be achieved by heat treatment.

[0094] For example, the heat treatment process may include quenching, tempering, normalizing, and annealing. Quenching is a process of heating a metal part to a certain temperature and then rapidly cooling it. When the first support 211 and the second support 221 are stainless steel, quenching can transform the austenite in the steel into martensite, thereby increasing hardness. Normalizing involves heating the metal to above a critical temperature and then cooling it in air to refine the grain structure and increase hardness. Annealing involves heating the metal to a certain temperature and holding it for a period of time, followed by slow cooling. Annealing can improve hardness by optimizing the microstructure.

[0095] For example, the hardness of the materials of the first and / or second contact surfaces can also be achieved through surface treatment methods, which may include surface hardening, shot peening, electroplating, or chemical plating. Surface hardening treatment may include techniques such as carburizing, nitriding, and carbonitriding, which involve infiltrating carbon or nitrogen elements into the surface layer of the structural component to increase the carbon or nitrogen content and thus improve the surface hardness. Shot peening involves impacting the surface of the structural component with high-speed jets of small steel balls or other media, causing plastic deformation of the surface layer and introducing compressive stress to enhance surface hardness. Electroplating or chemical plating involves depositing a layer of hard material, such as chromium or nickel-phosphorus alloy, onto the metal surface through chemical or electrochemical reactions to enhance surface hardness.

[0096] In some embodiments, the elastic modulus of the material corresponding to the first contact surface and / or the second contact surface may be greater than or equal to 205 GPa.

[0097] The elastic modulus of the material corresponding to the first contact surface and / or the second contact surface is greater than or equal to 205 GPa, which can further improve the reliability of the motor structure.

[0098] For example, the elastic modulus of the material corresponding to the first contact surface and / or the second contact surface can be values ​​such as 208 GPa, 210 GPa, 214 GPa, 216 GPa, 220 GPa, 225 GPa, 227 GPa, 230 GPa, 235 GPa, 240 GPa.

[0099] For example, the elastic modulus of the material corresponding to the first contact surface and / or the second contact surface can also be achieved by the above-mentioned heat treatment method. By controlling the process parameters such as the heating temperature, holding temperature, heating time, cooling time, and heat treatment atmosphere, the hardness and elastic modulus of the material can be adjusted.

[0100] For example, Figure 4 A schematic flowchart illustrating the manufacturing process of the motor provided in this application embodiment is shown below. Figure 4 As shown, the processing method may include steps S311 to S315.

[0101] S311, material selection.

[0102] The material selection refers to choosing the materials of the first support member 211 and the second support member 221. In some embodiments, the material of the first support member 211 and / or the second support member 221 can be stainless steel.

[0103] For example, the first support member 211 and / or the second support member 221 can be made of 316 stainless steel or 420 stainless steel. The 316 stainless steel mainly contains the alloying elements chromium (Cr), nickel (Ni), and molybdenum (Mo), while the 420 stainless steel mainly contains the alloying element chromium (Cr). Both 316 and 420 stainless steels have high hardness and elastic modulus.

[0104] The first support member 211 and / or the second support member 221 are made of stainless steel, which ensures that during reliability testing or when the camera module collides, the first rolling member 231 is less likely to dent the first support member 211 and / or the second support member 221. Furthermore, it facilitates improving the flatness and smoothness of the support member surface; for example, grinding can be used to improve the flatness and smoothness of the support member surface, reducing the friction between the first rolling member 231 and the first support member 211 and / or the second support member 221.

[0105] It should be understood that the material of the first support member 211 and / or the second support member 221 can also be other metal materials, such as other grades of stainless steel. The material of the first support member 211 and / or the second support member 221 can have high hardness and elastic modulus, and can be easily polished and processed to achieve a mirror effect. This application does not limit the specific material selection of the first support member 211 and / or the second support member 221.

[0106] When the material of the first support member 211 and / or the second support member 221 is metal, the material of the first support member 211 and / or the second support member 221 can also be called mirror metal. Mirror metal is a metal material with a mirror-like smooth effect. The roughness of mirror metal is usually less than or equal to 0.05μm.

[0107] In some embodiments, the first support member 211 and / or the second support member 221 may also be made of ceramic. For example, the first support member 211 and / or the second support member 221 may be made of alumina ceramic, silicon nitride ceramic, or silicon carbide ceramic, etc. This ceramic material can have high hardness and elastic modulus.

[0108] S312, heat treated.

[0109] As mentioned above, the heat treatment process may include quenching, tempering, normalizing, and annealing, which can further improve the hardness and elastic modulus of the material by changing the microstructure of the crystals in the selected material.

[0110] S313, polished.

[0111] After the heat treatment process is completed, the surface of the structural component can be polished by the above-mentioned mechanical polishing or chemical polishing to improve the flatness and smoothness of the surface of the structural component, so that the flatness and roughness of the surface of the structural component meet the design requirements mentioned above.

[0112] S314, stamping.

[0113] Stamping processes flat metal sheets into the required three-dimensional shapes. These stamping processes may include bending, stretching, pressing, and cutting of structural parts to form the required structural shapes, namely, forming the first support member 211 and the second support member 221.

[0114] In some embodiments, the stamping operation may also be performed before the polishing operation, that is, before step S313, and this application does not limit this.

[0115] S315, insert molding.

[0116] Optionally, the method may also include insert molding. By insert molding, the first support 211 and the second support 221 can be embedded into the injection molded part to form the desired product, such as a vibration stabilization component.

[0117] Through the above Figure 4 The described process can facilitate the improvement of the material's hardness and elastic modulus, and reduce the flatness and roughness of the material surface, so as to obtain a first support 211 and / or a second support 221 that meet the design requirements.

[0118] For example, this application uses a motion stabilization component as an example to describe the application scenarios of the first rolling element 231, the first support element 211, and the second support element 221. This motion stabilization component can be a structure utilizing sensor displacement stabilization or an optical stabilization structure. Sensor displacement stabilization refers to driving the image sensor to move and compensate for camera shake. Optical stabilization refers to driving optical elements to move and compensate for camera shake; these optical elements typically include one or more lenses. The application scenarios of the motor described above are described below using both sensor displacement stabilization and optical stabilization components as examples.

[0119] Figures 5 to 13This is a schematic diagram of a sensor displacement stabilization component provided in an embodiment of this application, wherein, Figure 5 This is a schematic diagram of the overall structure of the image stabilization component. Figure 6 and Figure 7 This is an exploded view of the image stabilization component. The image below, in conjunction with the accompanying diagram, describes how the component stabilizes motion.

[0120] First, see Figure 5 and Figure 6 As shown in the structure, the anti-shake component may include a cover 40, a motor 50, and a base 60. The cover 40 and the base 60 may form a receiving cavity, in which the motor 50 may be disposed. The cover 40 and the base 60 may be used to provide protection for the motor 50.

[0121] See Figure 7 As shown in the structure, the motor 50 may include a stator assembly and a mover assembly. The mover assembly may be a structural component that moves relative to the cover 40 and the base 60 during the anti-shake movement, while the stator assembly may be a structural component that does not move relative to the cover 40 and the base 60 during the anti-shake movement.

[0122] Exemplarily, the stator assembly may include a coil support 521 and an electrical connection assembly 522. The coil support 521 can be used to provide driving force for the movement of the mover assembly, and the electrical connection assembly 522 can be used to provide an electrical signal to the coil support 521. The mover assembly may include an upper movable assembly 51 and a lower movable assembly 53. The lower movable assembly 53 may be disposed on the side of the coil support 521 near the base 60, and the upper movable assembly 51 may be disposed on the side of the coil support 521 near the cover 40. The mover assembly can undergo relative movement under the driving action of the stator assembly. In this example, the mover assembly can undergo relative translation along the X-axis direction shown in the figure, relative translation along the Y-axis direction, or relative rotation around the Z-axis.

[0123] For example, the lower movable component 53 may include a first movable part 531, a second movable part 532, and a third movable part 533. The first movable part 531 may cooperate with the coil support 521 to cause displacement of the mover assembly. The second movable part 532 and the third movable part 533 may be connected to the first movable part 531. The first movable part 531 may drive the second movable part 532 and the third movable part 533 to move synchronously.

[0124] Figure 8 This is an exploded structural diagram of the first active part 531. Figure 9 This is a schematic diagram of the rear structure of the coil support 521. (See also...) Figure 8The structure shown includes a first magnet 5311, which can be disposed on the side of the first movable part 531 near the coil support 521.

[0125] For example, the side of the first movable part 531 near the coil support 521 may include a first magnet groove 5312, in which the first magnet 5311 may be disposed.

[0126] Accordingly, see Figure 9 As shown in the structure, the coil support 521 may include a first coil 5211, which may be arranged opposite to the first magnet 5311 along the Z-axis direction.

[0127] When the first coil 5211 is energized, the first magnet 5311 can be subjected to a Lorentz force along the Y-axis. Since the first magnet 5311 is fixedly connected to the first movable part 531, the first magnet 5311 can drive the first movable part 531 to move along the Y-axis, thereby compensating for the image blurring caused by the translation of the camera module in the Y-axis direction.

[0128] For example, the number of the first coil 5211 can be two. When the two first coils 5211 are energized, the direction of the current can be the same and the magnitude of the current can be the same.

[0129] It should be understood that the number of the first coil 5211 can be one or more. When there are multiple first coils 5211, the arrangement of the first coil 5211 and the first magnet 5311 opposite each other along the Z-axis direction means that the overall structure formed by the multiple first coils 5211 is arranged opposite to the first magnet 5311 along the Z-axis direction. The structure of the second movable part 532 and the third movable part 533 can be referred to further. Figure 7 The second movable part 532 can be disposed on the side of the first movable part 531 near the base 60. On the one hand, the second movable part 532 can provide structural support for the first movable part 531, improving the rigidity of the motor 50 structure. On the other hand, the second movable part 532 can be provided with an electrical connector, and the second movable part 532 can provide an electrical signal to the motor 50, for example, to provide an electrical signal to the coil in the coil bracket 521.

[0130] When the second movable part 532 moves relative to the first movable part 531, the electrical connector on the second movable part 532 can maintain an electrical connection with the aforementioned electrical connection assembly 522, so as to stably provide electrical signals to structures such as coils.

[0131] The third movable part 533 can be disposed between the electrical connection assembly 522 and the base 60, and the third movable part 533 can be used to provide structural support for the first movable part 531 and the second movable part 532.

[0132] The image sensor can be disposed in the second movable part 532. When the first movable part 531 moves, the first movable part 531 can drive the second movable part 532 to move synchronously, that is, it can drive the image sensor to move synchronously, thereby compensating for camera shake by changing the displacement of the image sensor.

[0133] Figure 10 for Figure 7 A schematic structural diagram of the upper active component 51, wherein, Figure 10 (a) in the diagram is a front view of the active component 51. Figure 10 (b) in the diagram is a schematic diagram of the rear structure of the upper active component 51. Figure 10 The arrow on the upper movable component 51 indicates the direction of movement. In this example, the front can refer to the side of the component facing the cover 40, and the back can refer to the side of the component facing the base 60.

[0134] like Figure 10 As shown in (a) and (b), a second magnet 511 may be provided on the upper movable component 51, and the second magnet 511 may be provided on the back side of the upper movable component 51.

[0135] In some embodiments, the back side of the upper movable component 51 may include a second magnet groove, in which a second magnet 511 may be disposed.

[0136] Figure 11 This is a schematic diagram of the front structure of the coil support 521, as shown below. Figure 11 As shown, corresponding to the second magnet 511, a second coil 5212 can be provided on the coil support 521. The second coil 5212 can be provided on the side of the coil support 521 near the cover 40, and the second coil 5212 can be provided opposite to the second magnet 511.

[0137] For example, the number of the second coil 5212 can be one. The second coil 5212 being arranged opposite to the second magnet 511 can mean that the second coil 5212 and the second magnet 511 are arranged opposite to each other in the Z-axis direction shown in the figure, which can be the optical axis direction.

[0138] When the second coil 5212 is energized, the second magnet 511 will be subjected to a force along the X-axis. Since the second magnet 511 is fixedly connected to the upper movable component 51, the second magnet 511 will drive the upper movable component 51 to move along the X-axis, thereby compensating for the image blurring caused by translation in the X-axis direction.

[0139] In some embodiments, a third coil 5213 may also be provided on the coil support 521, and the third coil 5213 may be respectively provided on both sides of the second coil 5212 along the Y-axis direction shown in the figure.

[0140] For example, there can be two third coils 5213, each disposed on both sides of the second coil 5212 along the Y-axis. The two third coils 5213 can be disposed at both ends of the second magnet 511. The current directions in the two third coils 5213 can be opposite, while the current magnitudes can be the same.

[0141] The third coil 5213 can also cooperate with the second magnet 511. When the third coil 5213 is energized, one end of the second magnet 511 is subjected to a force along the positive X-axis, while the other end is subjected to a force along the negative X-axis, and the forces on both ends of the second magnet 511 can be of equal magnitude. Under the action of these two forces of opposite directions and equal magnitude, the upper movable component 51 rotates around the Z-axis, compensating for the image blurring caused by the left and right swaying of the camera module.

[0142] As described above, the lower movable component 53 and the upper movable component 51 are respectively disposed on the upper and lower sides of the coil support 521. During the anti-shake movement, the coil support 521 and the electrical connection component 522 do not move, while the lower movable component 53 and the upper movable component 51 move. The lower movable component 53 and the upper movable component 51 can be connected to each other, for example, by welding the upper movable component 51 to the first movable part 531. When the lower movable component 53 and the upper movable component 51 undergo the aforementioned translational or rotational movement, they can drive the other to move synchronously. For example, when the upper movable component 51 translates along the X-axis, it can drive the lower movable component 53 to translate synchronously along the X-axis; when the lower movable component 53 translates along the Y-axis, it can drive the upper movable component 51 to translate synchronously along the X-axis.

[0143] To enable relative movement between the lower movable component 53 and the upper movable component 51 relative to the coil support 521, a first rolling element 231 can be provided between the lower movable component 53 and the coil support 521. The first rolling element 231 can contact both the coil support 521 and the first movable part 531, and when the lower movable component 53 and the upper movable component 51 move relative to the coil support 521, the first rolling element 231 rolls accordingly. In other words, the above... Figure 2 The first support member 211 and the second support member 221 shown can be applied to the coil bracket 521 and the first movable part 531, respectively. In this example, the lower movable component 53 can be referred to as the first movable component.

[0144] Specifically, Figure 12 This is an exploded structural diagram of the coil support 521, as shown below. Figure 12 As shown, the coil support 521 may include a first injection molded part 212 and a first support member 211. The first injection molded part 212 can be the main structure of the coil support 521. The first support member 211 can be a metal part and can be embedded in the first injection molded part 212, for example, by insert molding, that is, by the above-mentioned... Figure 4 The described step S315 yields the coil support 521. When the first rolling element 231 is disposed between the coil support 521 and the first movable part 531, the first support 211 can contact the first rolling element 231. The area on the first support 211 that contacts the upper end of the first rolling element 231 can be referred to as the first contact surface, or in other words, the first support 211 can be supported on the first rolling element 231 through the first contact surface.

[0145] See also Figure 8 In the structure shown, a groove may be provided on the side of the first movable part 531 near the coil support 521, and at least a portion of the structure of the first rolling member 231 may be accommodated in the groove to limit the rolling of the first rolling member 231. The groove on the first movable part may be referred to as the second groove.

[0146] In some embodiments, the first movable part 531 may include a second injection molded part 222 and a second support member 221. The second injection molded part 222 may be the main structure of the first movable part 531, and the second support member 221 may be a metal part. The second support member 221 may be embedded in the second injection molded part 222. For example, the second support member 221 may be embedded in the second injection molded part 222 by insert molding.

[0147] When the first rolling element 231 is disposed in the second groove, the first rolling element 231 can contact the second support element 221. The area on the second support element 221 that contacts the lower end of the first rolling element 231 can be called the second contact surface, or in other words, the first rolling element 231 can be supported on the second contact surface.

[0148] In this example, the first magnet groove 5312 can be disposed on the second injection molded part 222.

[0149] As described above, the roughness of the first contact surface and / or the second contact surface can be less than or equal to 0.013 μm, the flatness of the first contact surface and / or the second contact surface can be less than or equal to 0.015 mm, and the Vickers hardness of the material of the first contact surface and / or the second contact surface can be greater than or equal to 250 HV.

[0150] In some embodiments, the elastic modulus of the material of the first contact surface and / or the second contact surface may be greater than or equal to 205 GPa.

[0151] In some embodiments, similar to the structure of the lower movable component 53, the coil support 521 may also include a groove (not shown in the figure), which may also be referred to as the first groove. When the first rolling element 231 is disposed in the second groove, a portion of the structure of the first rolling element 231 may also be accommodated in the first groove, and the first groove and the second groove can jointly limit the rolling of the first rolling element 231.

[0152] In some embodiments, the first support member 211 can be a planar structure. When the first injection molded part 212 includes a groove, and the first support member 211 is embedded in the first injection molded part 212, the first support member 211 can be located on the bottom surface of the groove. In this example, the first groove can be formed by the groove of the first injection molded part 212 and the first support member 211. When the first rolling member 231 moves to the edge position of the first groove, the side end of the first rolling member 231 can contact the side wall of the first groove, that is, it can contact the first injection molded part 212.

[0153] It should be understood that the first support member 211 is a planar structure, which can refer to the portion of the first support member 211 located in the groove of the first injection molded part 212 and the portion located within a certain distance around the first groove as a planar structure.

[0154] In other embodiments, the first support 211 may include a first groove 2111, such as those described above. Figure 2The structure is shown. Exemplarily, when the first injection molded part 212 includes a groove, the first support member 211 may include the first recess 2111. When the first support member 211 is embedded in the first injection molded part 212, the first recess 2111 may be embedded in the groove of the first injection molded part 212. In this example, the first groove may be formed by the first recess 2111. The first recess 2111 may include a first bottom wall 2111A and a first side wall 2111B, the first side wall 2111B may be arranged around the outer periphery of the first bottom wall 2111A. Furthermore, when the first rolling member 231 is disposed in the first groove, the lower end of the first rolling member 231 may contact the first bottom wall 2111A, and when the first rolling member 231 moves to the edge position of the first groove, the side end of the first rolling member 231 may contact the first side wall 2111B, that is, it may still contact the first support member 211.

[0155] In this example, the first contact surface may be located on the first bottom wall 2111A. The first groove 2111 may also include a third contact surface that may contact the side end of the first rolling element 231, and the third contact surface may be located on the first side wall 2111B.

[0156] In some embodiments, the roughness of the third contact surface may be less than or equal to 0.013 μm, the flatness of the third contact surface may be less than or equal to 0.015 mm, and the Vickers hardness of the material of the third contact surface may be greater than or equal to 250 HV.

[0157] In some embodiments, the elastic modulus of the material of the third contact surface may be greater than or equal to 205 GPa.

[0158] It should be understood that the first groove 2111 can be an arc-shaped groove, and the arc-shaped groove can mean that the cross-sectional shape of the first sidewall 2111B in the XY plane is arc-shaped, such as circular. When the first groove 2111 is an arc-shaped groove, the flatness of the first sidewall 2111B can refer to the distance deviation between the actual arc surface of the first sidewall 2111B and its ideally designed arc surface. The cross-sectional shape of the first sidewall 2111B in the XY plane can also be rectangular, triangular, or other shapes; this application does not limit this.

[0159] Similarly, the bottom wall of the first groove 2111 can be a flat surface or a smooth arc surface. When the bottom wall is a smooth arc surface, the flatness of the arc surface can also refer to the distance deviation between the actual arc surface and the ideal arc surface. The structures of the subsequent second support member 221 and third support member 241 are similar, and will not be described in detail here.

[0160] Similar to the structure of the first support member 211 described above, the second support member 221 can be a planar structure, or it may include a second groove 2211, the structure of which can be found in [reference needed]. Figure 13 The example shown.

[0161] The second injection molded part 222 may have a groove 2221. When the second support member 221 is a planar structure and is embedded in the second injection molded part 222, the second support member 221 may be located at the bottom of the groove 2221, and the second groove may be formed by the groove 2221 and the second support member 221 together. When the first rolling member 231 is disposed in the second groove, when the first rolling member 231 moves to the edge position of the second groove, the side end of the first rolling member 231 may contact the side wall of the second groove, that is, may contact the second injection molded part 222.

[0162] When the second support member 221 includes the second groove 2211, the second injection molded part 222 may also be provided with a groove 2221. When the second support member 221 is embedded in the second injection molded part 222, the second groove 2211 may be embedded in the groove 2221. In this example, the second groove may be formed by the second groove 2211.

[0163] like Figure 13 As shown, the second groove 2211 may include a second bottom wall 2211A and a second side wall 2211B, the second side wall 2211B being arranged around the outer periphery of the second bottom wall 2211A. When the first rolling member 231 is disposed in the second groove 2211, the lower end of the first rolling member 231 is in contact with the second bottom wall 2211A. When the first rolling member 231 moves to the edge position of the second groove, the side end of the first rolling member 231 can contact the second side wall 2211B, that is, it can still contact the second support member 221.

[0164] When the second support member 221 includes the second groove 2211, the second contact surface can be located on the second bottom wall 2211A. The second support member 221 may also include a fourth contact surface, which can contact the side end of the second rolling member when the first rolling member 231 moves to the edge of the second groove 2211. The fourth contact surface can be located on the second side wall 2211B.

[0165] In some embodiments, the flatness of the fourth contact surface is less than or equal to 0.015 mm, the roughness of the fourth contact surface is less than or equal to 0.013 μm, and the hardness of the material corresponding to the fourth contact surface is greater than or equal to 250 HV.

[0166] In some embodiments, the elastic modulus of the material of the fourth contact surface is greater than or equal to 205 GPa.

[0167] The first rolling element 231, the first support element 211, and the second support element 221 are disposed in Figures 5 to 13 The sensor displacement anti-shake assembly shown can reduce the friction between the first rolling element 231 and the coil support 521 and the lower rolling element 53 during translational and rotational movements of the lower moving component 53 and the upper moving component 51, alleviate the problem of sudden friction when the first rolling element 231 moves to the edge position, and improve the structural reliability of the motor 50.

[0168] For example, the first rolling element 231 can be a ball, that is, a spherical rolling element.

[0169] In some embodiments, the number of the first groove and / or the second groove can be multiple, and one or more first rolling elements 231 can be provided in each of the multiple first grooves and / or the second grooves. The first rolling elements 231 provided in the multiple first grooves and / or the second grooves can all contact the first support member 211 and / or the second support member 221.

[0170] See also Figure 12 In some embodiments of the structure shown, the coil support may also be provided with a driver chip 5214, which can be used to control the energization of the coil and the magnitude, direction, and duration of the current, thereby controlling the movement of the motor 50.

[0171] See also Figure 8 In some embodiments of the structure shown, the first movable part 531 may also be provided with a sensing magnet 5313. The position of the moving part can be determined based on the sensing magnet 5313, thereby determining whether the moving part has moved to a preset position, so as to improve the accuracy of the anti-shake motion.

[0172] The above combination Figures 5 to 13 right Figure 2 The motor shown is illustrated as an example of its application in a sensor displacement image stabilization assembly. This motor can also be used in optical image stabilization assemblies. The following section will discuss its application in conjunction with... Figures 14 to 21 Another application example provided in this application is introduced.

[0173] Figure 14 This is a schematic diagram of the overall structure of the optical image stabilization component, as shown below. Figure 14As shown, the optical image stabilization assembly may include a motor 80 and an optical element 70. The optical element 70 may be fixedly connected to the motor 80, and the motor 80 may drive the optical element 70 to move synchronously to achieve optical image stabilization. For example, the motor 80 may drive the optical element 70 to rotate around the Y-axis, and the motor 80 may drive the optical element 70 to rotate around the Z-axis.

[0174] The following description, in conjunction with the accompanying drawings, introduces the anti-shake motion of the motor 80 and the application of the first rolling element 231, the first support element 211, and the second support element 221 in the anti-shake motion.

[0175] Figure 15 This is an exploded view of the optical image stabilization component, as shown below. Figure 15 As shown, the motor 80 may include a mover assembly and a stator assembly. The mover assembly may include a swaying assembly 82 and a nodding assembly 83. The stator assembly may include a base 81.

[0176] The head-shaking component 82 can rotate relative to the base 81 around the Z-axis shown in the figure. This rotation around the Z-axis can also be called head-shaking motion. The head-nodding component 83 can rotate around the Y-axis shown in the figure. This rotation around the Y-axis can also be called head-nodding motion. The head-shaking component 82 can be connected to the head-nodding component 83. When the head-shaking component 82 performs head-shaking motion, it can drive the head-nodding component 83 to perform head-shaking motion synchronously.

[0177] In this example, the head-shaking component 82 can be referred to as the first active component, and the head-nodding component 83 can be referred to as the second active component.

[0178] The optical element 70 can be fixedly connected to the moving part assembly, for example, it can be fixedly connected to the nodding part assembly 83. When the nodding part assembly 83 nods and the head-shaking part assembly 82 shakes, the optical element 70 can move synchronously with the moving part assembly, thereby compensating for camera shake.

[0179] The base 81 may include a receiving cavity in which the head-shaking assembly 82 and the head-nodding assembly 83 may be disposed. The base 81 may serve as a protective shell to protect the head-shaking assembly 82 and other components.

[0180] Figure 16 This is an exploded structural diagram of base 81. Figure 17 This is an exploded structural diagram of the sway assembly 82 from the rear view. In this swaying assembly, the rear structure can refer to the structure seen from the side of the structure closest to the base 81. For example... Figure 16As shown, a fourth coil 811 can be disposed on the base 81, and the fourth coil 811 can be disposed on the bottom surface of the base 81. Accordingly, as Figure 17 As shown, a third magnet 822 may be provided on the side of the oscillating assembly 82 near the base 81. The third magnet 822 may be arranged opposite to the fourth coil 811 in the Z-axis direction. The third magnet 822 may be disposed in the third magnet groove 824 at the bottom of the oscillating assembly 82.

[0181] When the fourth coil 811 is energized, the third magnet 822 is subjected to a Lorentz force from the fourth coil 811. The direction of the Lorentz force can be the arrangement direction of the magnets in the third magnet 822, thereby driving the first movable part to rotate around the Z-axis and correcting the camera shake.

[0182] For example, the number of fourth coils 811 can be two as shown in the figure, and correspondingly, the number of third magnets 822 can also be two, with each of the two third magnets 822 corresponding to one of the two fourth coils 811. The current flowing through the two fourth coils 811 can be in opposite directions, but the magnitude of the current can be the same.

[0183] It should be understood that the two third magnets 822 shown in the figure extend at an angle, and the two third magnets 822 can also be arranged in a straight line, for example, along the Y-axis direction shown in the figure. This application does not limit this.

[0184] To ensure that the oscillating assembly 82 can rotate smoothly relative to the base 81 under the action of the third magnet 822 and the fourth coil 811, a rolling element can be provided between the base 81 and the oscillating assembly 82. In this example, the rolling element between the base 81 and the oscillating assembly 82 can be referred to as the first rolling element 231. The upper and lower ends of the first rolling element 231 can respectively contact the oscillating assembly 82 and the base 81. That is to say, the first support 211 and the second support 221 mentioned above can also be applied to the base 81 and the oscillating assembly 82, respectively.

[0185] See also Figure 16 The structure shown includes a base 81 that may include a first support member 211 and a first injection molded member 212. The first injection molded member 212 may constitute the main body of the base 81, and the first support member 211 may be embedded in the first injection molded member 212, for example, by insert molding. The first support member 211 may be a metal part. The first support member 211 may include a first contact surface that may contact the lower end of the first rolling member 231.

[0186] With the above Figures 5 to 13Similarly, in the described example, the first support member 211 can be a planar structure, or the first support member 211 can include a first groove 2111. When the first support member 211 is a planar structure, the first contact surface can be located on the planar structure. When the first support member 211 includes the first groove 2111, the first contact surface can be located on the first bottom wall 2111A, and the first support member 211 can also include a third contact surface, which can be located on the first side wall 2111B.

[0187] When the first support member 211 includes the first groove 2111, the base 81 may include the first groove body. In this example, the first injection molded part 212 may include the groove body 2121, and the first groove 2111 may be embedded in the groove body 2121. The first groove body may be formed by the first groove 2111.

[0188] When the first support member 211 is a planar structure, the base 81 may or may not include the first groove. Alternatively, the first injection molded part 212 may or may not include the groove 2121.

[0189] In some embodiments, the flatness of the first contact surface is less than or equal to 0.015 mm, the roughness of the first contact surface is less than or equal to 0.013 μm, and the hardness of the material corresponding to the first contact surface is greater than or equal to 250 HV.

[0190] In some embodiments, the elastic modulus of the material corresponding to the first contact surface is greater than or equal to 205 GPa.

[0191] In some embodiments, the flatness of the third contact surface is less than or equal to 0.015 mm, the roughness of the third contact surface is less than or equal to 0.013 μm, and the hardness of the material corresponding to the third contact surface is greater than or equal to 250 HV.

[0192] In some embodiments, the elastic modulus of the material of the third contact surface is greater than or equal to 205 GPa.

[0193] It should be understood that the third contact surface and the first contact surface can be integrally formed structures, and the first groove 2111 is formed on the first support member 211 by means of plastic deformation or other methods. The materials of the first contact surface and the third contact surface can be the same.

[0194] In some embodiments, there can be multiple first grooves, such as the two shown in the figure, and each of the multiple first grooves can be provided with a first rolling element 231. When the first rolling elements 231 are respectively provided in the first grooves, the multiple first rolling elements 231 can respectively contact the first support member 211.

[0195] Correspondingly, the number of the first support member 211 can be multiple, or the number of the first support member 211 can be one, and the first support member 211 corresponding to the multiple first grooves can be an integral structure.

[0196] In some embodiments, a guide member 813 may be provided between the base 81 and the oscillating assembly 82. The guide member 813 can guide the movement of the oscillating assembly 82, and the upper and lower ends of the guide member 813 can contact the oscillating assembly 82 and the base 81 respectively.

[0197] Corresponding to the guide member 813, the base 81 may include a first guide groove 815, in which at least a portion of the guide member 813 may be accommodated. A support member 814 may be embedded in the first guide groove 815 to reduce the friction between the guide member 813 and the support of the base 81, and to improve the reliability of the structure.

[0198] At least a portion of the guide member 813 can also be accommodated in the second guide groove 826 at the bottom of the sway assembly 82, and the first guide groove 815 and the second guide groove 826 can together limit and guide the guide member 813.

[0199] In some embodiments, the support member 814 and the first support member 211 may also be an integral structure.

[0200] See also Figure 17 As shown in the diagram, the oscillating assembly 82 may include a second support member 221 and a second injection-molded member 222. The second injection-molded member 222 may be the main body of the oscillating assembly 82, and the second support member 221 may be the portion of the oscillating assembly 82 that contacts the first rolling member 231. The second support member 221 may be embedded in the second injection-molded member 222, and the second support member 221 may be a metal part. The second support member 221 may include a second contact surface, which may contact the upper end of the first rolling member 231.

[0201] With the above Figures 5 to 13 Similarly, in the described example, the second support member 221 can be a planar structure, or it can include a second groove 2211. When the second support member 221 is a planar structure, the second contact surface can be located on the planar structure. When the second support member 221 includes the second groove 2211, the second contact surface can be located on the second bottom wall 2211A, and the second support member 221 can also include a fourth contact surface, which can be located on the second side wall 2211B.

[0202] When the second support member 221 includes the second groove 2211, the swaying assembly 82 may include the second groove. That is, the second injection molded part 222 may include the groove 2221, the second groove 2211 may be embedded in the groove 2221, and the second groove may be formed by the second groove 2211.

[0203] When the second support member 221 has a planar structure, the swaying assembly 82 may or may not include the second groove. That is, the second injection molded part 222 may or may not include the groove 2221.

[0204] When the swaying assembly 82 includes a second groove, the position of the second groove can correspond to the position of the first groove. When the first rolling element 231 is disposed in the first groove, at least a portion of the structure of the first rolling element 231 can be accommodated in the second groove. The second groove and the first groove can jointly limit the movement of the first rolling element 231.

[0205] In some embodiments, the flatness of the second contact surface is less than or equal to 0.015 mm, the roughness of the second contact surface is less than or equal to 0.013 μm, and the hardness of the material corresponding to the second contact surface is greater than or equal to 250 HV.

[0206] In some embodiments, the elastic modulus of the material of the second contact surface is greater than or equal to 205 GPa.

[0207] In some embodiments, the flatness of the fourth contact surface is less than or equal to 0.015 mm, the roughness of the fourth contact surface is less than or equal to 0.013 μm, and the hardness of the material corresponding to the fourth contact surface is greater than or equal to 250 HV.

[0208] In some embodiments, the elastic modulus of the material of the fourth contact surface is greater than or equal to 205 GPa.

[0209] It should be understood that the fourth contact surface and the second contact surface can be integrally formed structures, with the second groove 2211 formed by plastic deformation or other means. The materials of the second contact surface and the fourth contact surface can be the same. Among the first contact surface, the second contact surface, the third contact surface, and the fourth contact surface, each contact surface can simultaneously meet the above-mentioned performance parameter range, or at least one of the contact surfaces can meet the above-mentioned performance parameter range. This application does not limit this.

[0210] At least one of the first contact surface, second contact surface, third contact surface and fourth contact surface meets the above performance parameter requirements, which can reduce the sliding friction between the first rolling element 231 and the oscillating component 82 and / or the base 81 during the oscillating motion of the oscillating component 82 relative to the base 81, alleviate the problem of sudden change in friction after the first rolling element 231 moves to the edge position, and improve the structural reliability of the motor 80.

[0211] As described above, the motor 80 can support anti-shake motion not only around the Z-axis but also around the Y-axis. To enable the motor 80 to support anti-shake motion around the Y-axis, the motor 80 may also include a second rolling element 232 and a corresponding support structure.

[0212] Specifically, please refer to Figure 15 The motor 80 may further include a nodding assembly 83, which can be disposed on the head-shaking assembly 82, and the aforementioned optical element 70 can be fixedly connected to the nodding assembly 83, with the inclined surface of the optical element 70 conforming to the inclined surface of the nodding assembly 83. When the head-shaking assembly 82 rotates relative to the base 81 around the Z-axis, the nodding assembly 83 can drive the optical element 70 to rotate synchronously around the Z-axis following the head-shaking assembly 82. The nodding assembly 83 can also rotate relative to the head-shaking assembly 82 around the Y-axis, and when the nodding assembly 83 rotates relative to the head-shaking assembly 82 around the Y-axis, the optical element 70 can rotate synchronously around the Y-axis following the nodding assembly 83.

[0213] Figure 18 This is an exploded view of the nodding component 83, as shown below. Figure 18 As shown, a fourth magnet 831 can be provided on the nodding assembly 83, and the fourth magnet 831 can be disposed in the fourth magnet groove 832. Figure 15 or Figure 16 As shown, a fifth coil 812 can be provided on the base 81, and the fifth coil 812 can be arranged opposite to the fourth magnet 831 along the X-axis. When the fifth coil 812 is energized, the fourth magnet 831 can be subjected to a Lorentz force along the Z-axis, so that the fourth magnet 831 can drive the nodding assembly 83 to rotate around the Y-axis, thereby compensating for camera shake.

[0214] To allow the nodding assembly 83 to rotate relative to the head-shaking assembly 82 around the Y-axis, a second rolling element 232 can be provided between the head-shaking assembly 82 and the nodding assembly 83. The second rolling element 232 can contact both the head-shaking assembly 82 and the nodding assembly 83. Specifically, the second rolling element 232 can contact the second support member 221 and the third support member 241, which are respectively disposed in the head-shaking assembly 82 and the head-shaking assembly 83. The second support member 221 can contact both the first rolling element 231 and the second rolling element 232, and they are shared by both.

[0215] Figure 19 This is an exploded view of the front structure of the head-shaking assembly 82. In this optical image stabilization assembly, the front structure can refer to the structure seen from the side of the structure away from the base 81. Figure 20 This is a schematic diagram of the structure of a second support member 221, which can be embedded in... Figure 19 The head-shaking component shown.

[0216] like Figure 20 As shown, the second support member 221 may include a first support portion 2212, a second support portion 2213, and a first connecting portion 2214. The first connecting portion 2214 may be disposed between the first support portion 2212 and the second support portion 2213, forming a zigzag structure. The aforementioned second contact surface may be disposed on the first support portion 2212. When the second support member 221 includes a second groove 2211, the second groove 2211 may be disposed on the first support portion 2212.

[0217] The second support portion 2213 may be the portion of the second support member 221 that contacts the second rolling member 232. The second support portion 2213 may include a fifth contact surface, which may contact the lower end of the second rolling member 232, or in other words, the second rolling member 232 may be supported on the fifth contact surface.

[0218] like Figure 19 As shown, the second injection molded part 222 may include a groove 2222. When the second support member 221 is embedded in the second injection molded part 222, the position of the second support portion 2213 may correspond to the position of the groove 2222. The second rolling member 232 may be disposed in the groove 2222 and contact the fifth contact surface to support the nodding assembly 83 to rotate around the Y-axis. In this example, the groove 2222 and the second support portion 2213 may together constitute the third groove of the nodding assembly.

[0219] In some embodiments, the flatness of the fifth contact surface is less than or equal to 0.015 mm, the roughness of the fifth contact surface is less than or equal to 0.013 μm, and the hardness of the material corresponding to the fifth contact surface is greater than or equal to 250 HV.

[0220] In some embodiments, the elastic modulus of the material of the fifth contact surface is greater than or equal to 205 GPa.

[0221] Figure 21 This is a schematic diagram of another type of second support member 221. In some embodiments, the second support member 221 may further include a third groove 2215, which may include a third bottom wall 2215A and a third side wall 2215B. The third side wall 2215B is arranged around the outer periphery of the third bottom wall 2215A. The fifth contact surface may be located on the third bottom wall 2215A. The second support member 221 may also include a seventh contact surface, which may be located on the third side wall 2215B. When the second support member 221 is embedded in the second injection molded part 222, the third groove 2215 may be disposed in the third groove.

[0222] In some embodiments, the flatness of the seventh contact surface is less than or equal to 0.015 mm, the roughness of the seventh contact surface is less than or equal to 0.013 μm, and the hardness of the material corresponding to the seventh contact surface is greater than or equal to 250 HV.

[0223] In some embodiments, the elastic modulus of the material of the seventh contact surface is greater than or equal to 205 GPa.

[0224] It should be understood that Figure 19 In the structure shown, the second support member 221 on the left does not include the third groove 2215, while the second support member 221 on the right includes the third groove 2215. In the embodiments provided in this application, when there are multiple second support members 221 required for the nodding movement, the structures of the multiple second support members 221 can be the same or different. For example, both second support members 221 may be provided with the third groove 2215, or neither may be provided with the third groove 2215. Alternatively, the second support member 221 on the left may include the third groove 2215, while the second support member 221 on the right may not include the third groove 2215. This application does not limit this.

[0225] See also Figure 20 or Figure 21In some embodiments, the second support member 221 shown may further include a second connecting portion 2216, which may be connected to the end of the second support member 2213 away from the first connecting portion 2214. The extending direction of the second connecting portion 2216 may be the same as the extending direction of the first connecting portion 2214. The provision of the second connecting portion 2216 can improve the structural stability of the second support member 221.

[0226] Continue to refer to Figure 18 In some embodiments, the nodding assembly 83 may include a third injection molded part 242 and a third support member 241. The third support member 241 may be embedded in the third injection molded part 242. The third injection molded part 242 may be the main body of the nodding assembly 83. The third support member 241 may be used to support the second rolling part 232.

[0227] The third support member 241 may include a sixth contact surface, which may contact the upper end of the second rolling member 232, or in other words, the third support member 241 may be supported on the sixth contact surface.

[0228] The third injection molded part 242 may include a groove 2421. When the third support member 241 is embedded in the third injection molded part 242, the position of the third support member 241 may correspond to the position of the groove 2421. The second rolling member 232 may be disposed in the groove 2421 and contact the sixth contact surface to support the rotation of the nodding assembly 83 around the Y-axis. In this example, the groove 2421 and the third support member 241 may together constitute the fourth groove of the nodding assembly 83.

[0229] When the second rolling element 232 is disposed in the third groove, at least a portion of the second rolling element 232 can be accommodated in the fourth groove, and the third groove and the fourth groove can jointly limit the movement of the second rolling element 232.

[0230] In some embodiments, the third support member 241 may be a planar structure, or the third support member 241 may include a fourth groove (not shown in the figure).

[0231] When the third support member 241 is a planar structure and is embedded in the third injection molded part 242, the third support member 241 can be located at the top of the groove 2421, and the third support member 241 can together with the groove 2421 form the fourth groove.

[0232] The third support member 241 may include a fourth groove, the bottom wall of which may be the aforementioned sixth contact surface, and the side wall of which may be referred to as the eighth contact surface. In this example, when the third support member 241 is embedded in the third injection molded part 242, the fourth groove may be embedded in the groove body 2421, and the fourth groove body may be the fourth groove.

[0233] In some embodiments, the flatness of the sixth contact surface is less than or equal to 0.015 mm, the roughness of the sixth contact surface is less than or equal to 0.013 μm, and the hardness of the material corresponding to the sixth contact surface is greater than or equal to 250 HV.

[0234] In some embodiments, the elastic modulus of the material of the sixth contact surface is greater than or equal to 205 GPa.

[0235] In some embodiments, the flatness of the eighth contact surface is less than or equal to 0.015 mm, the roughness of the eighth contact surface is less than or equal to 0.013 μm, and the hardness of the material corresponding to the eighth contact surface is greater than or equal to 250 HV.

[0236] In some embodiments, the elastic modulus of the material of the eighth contact surface is greater than or equal to 205 GPa.

[0237] Similar to the first support member 211 and the second support member 221, the third support member 241 can also be formed by the above-mentioned heat treatment, polishing and stamping processes, and is embedded in the third injection molded part 242 by insert molding, which will not be described in detail here.

[0238] It should be understood that at least one of the above-mentioned fifth, sixth, seventh and eighth contact surfaces meets the above-mentioned performance parameter requirements, which can reduce the sliding friction between the second rolling element 232 and the oscillating component 82 and / or the nodding component 83 during the nodding motion of the nodding component 83 relative to the oscillating component 82, alleviate the problem of sudden friction after the second rolling element 232 moves to the edge position, and improve the structural reliability of the motor 80.

[0239] For example, the second rolling element 232 can be a ball bearing or a sliding shaft. The sliding shaft can be a cylindrical rolling element, and the axial direction of the sliding shaft can be the rotation axis when the nodding assembly 83 performs nodding motion. When the second rolling element 232 is provided on both the left and right sides of the nodding assembly 83, the types of the second rolling elements 232 on the left and right sides can be the same or different.

[0240] In some embodiments, the first rolling element 231 and the second rolling element 232 may be made of ceramic or metal.

[0241] See also Figure 19In some embodiments of the structure shown, the head-shaking component 82 may also be provided with a sensing magnet 825. The position of the moving component can be determined based on the sensing magnet 825, thereby determining whether the moving component has moved to the preset position, so as to improve the accuracy of the anti-shaking motion.

[0242] It should be understood that this application uses an image stabilization motion component as an example to describe the motor structure in that component. The structure of the ball bearings and the support surface in this motor can also be applied to other motion components in a camera module, such as an autofocus component. This motor can also be applied to other structures with relative motion in electronic devices other than camera modules to reduce friction and improve structural reliability. This application does not limit the application scenarios of the aforementioned motor.

[0243] This application also provides a camera module that may include the aforementioned image stabilization components.

[0244] This application also provides an electronic device that may include a camera module.

[0245] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A motor, characterized in that, include: A first support member (211) and a second support member (221) are arranged opposite to each other, and the second support member (221) can move relative to the first support member (211). A first rolling element (231) is disposed between the first support element (211) and the second support element (221) and is in contact with the first support element (211) and the second support element (221) respectively. The first support element (211) includes a first contact surface, and the first rolling element (231) is supported on the first contact surface. The second support element (221) includes a second contact surface, and the second support element (221) is supported on the first rolling element (231) through the second contact surface. The first contact surface and the second contact surface are disposed opposite to each other. The flatness of the first contact surface and / or the second contact surface is less than or equal to 0.015 mm, the roughness of the first contact surface and / or the second contact surface is less than or equal to 0.013 μm, and the Vickers hardness of the material of the first contact surface and / or the second contact surface is greater than or equal to 250 HV.

2. The motor according to claim 1, characterized in that, The elastic modulus of the material of the first contact surface and / or the second contact surface is greater than or equal to 205 GPa.

3. The motor according to claim 1 or 2, characterized in that, The first support member (211) includes a first groove (2111), the first groove (2111) includes a first bottom wall (2111A) and a first side wall (2111B), the first side wall (2111B) is arranged around the outer periphery of the first bottom wall (2111A), and the first contact surface is located on the first bottom wall (2111A); The first support member (211) further includes a third contact surface located on the first sidewall (2111B). The flatness of the third contact surface is less than or equal to 0.015 mm, the roughness of the third contact surface is less than or equal to 0.013 μm, and the Vickers hardness of the material of the third contact surface is greater than or equal to 250 HV.

4. The motor according to claim 3, characterized in that, The elastic modulus of the material of the third contact surface is greater than or equal to 205 GPa.

5. The motor according to claim 1 or 2, characterized in that, The second support member (221) includes a second groove (2211), the second groove (2211) includes a second bottom wall (2211A) and a second side wall (2211B), the second side wall (2211B) is circumferentially disposed on the outer periphery of the second bottom wall (2211A), and the second contact surface is located on the second bottom wall (2211A); The second support member (221) further includes a fourth contact surface located on the second sidewall (2211B). The flatness of the fourth contact surface is less than or equal to 0.015 mm, the roughness of the fourth contact surface is less than or equal to 0.013 μm, and the Vickers hardness of the material of the fourth contact surface is greater than or equal to 250 HV.

6. The motor according to claim 5, characterized in that, The elastic modulus of the material of the fourth contact surface is greater than or equal to 205 GPa.

7. The motor according to claim 1 or 2, characterized in that, The motor includes a stator assembly, which includes a first support member (211) and a first injection molded part (212), wherein the first support member (211) is embedded in the first injection molded part (212).

8. The motor according to claim 7, characterized in that, The motor includes a mover assembly, which includes a first movable component (53, 82) that is capable of translation or rotation relative to the stator assembly. The first movable component (53, 82) includes a second support member (221) and a second injection molded part (222), with the second support member (221) embedded in the second injection molded part (222).

9. The motor according to claim 8, characterized in that, The second support member (221) includes a first support portion (2212), a second support portion (2213), and a first connecting portion (2214). The first connecting portion (2214) is disposed between the first support portion (2212) and the second support portion (2213), and the first support portion (2212) and the second support portion (2213) are located on different surfaces. The second contact surface is located on the first support portion (2212). The moving part assembly further includes a second movable part (83), which is rotatable relative to the first movable part (82). The second movable part (83) includes a third support member (241), which is disposed opposite to the second support part (2213). The motor further includes a second rolling element (232), which is disposed between the second support portion (2213) and the third support portion (241) and is in contact with the second support portion (2213) and the third support portion (241) respectively.

10. The motor according to claim 9, characterized in that, The second support (2213) includes a fifth contact surface, on which the second rolling element (232) rests; The third support member (241) includes a sixth contact surface, and the third support member (241) is supported on the second rolling member (232) through the sixth contact surface; The flatness of the fifth contact surface and / or the sixth contact surface is less than or equal to 0.015 mm, the roughness of the fifth contact surface and / or the sixth contact surface is less than or equal to 0.013 μm, and the Vickers hardness of the material of the fifth contact surface and / or the sixth contact surface is greater than or equal to 250 HV.

11. The motor according to claim 10, characterized in that, The elastic modulus of the material of the fifth contact surface and / or the sixth contact surface is greater than or equal to 205 GPa.

12. The motor according to any one of claims 9 to 11, characterized in that, The first support member (211), the second support member (221) and the third support member (241) are made of any one of the following materials: 316 stainless steel, 430 stainless steel.

13. A motion stabilization component, characterized in that, Includes the motor as described in any one of claims 1 to 12.

14. A camera module, characterized in that, Includes the image stabilization motion component as described in claim 13.

15. An electronic device, characterized in that, Includes the camera module as described in claim 14.

Images