CN110971054A

CN110971054A - Optical anti-shake voice coil motor, camera module and electronic product

Info

Publication number: CN110971054A
Application number: CN201911209197.9A
Authority: CN
Inventors: 罗亮
Original assignee: JRD Communication Shenzhen Ltd
Current assignee: JRD Communication Shenzhen Ltd
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-04-07

Abstract

The embodiment of the application discloses an optical anti-shake voice coil motor, a camera module and an electronic product, wherein the optical anti-shake voice coil motor comprises a shell, a lower cover, an upper gasket, an OIS elastic sheet, a plurality of magnets, an OIS coil support and a support, wherein the upper gasket, the OIS elastic sheet, the plurality of magnets, the OIS coil support and the support are arranged between the shell and the lower cover; the magnets are uniformly distributed on the bracket; the bracket is arranged at the periphery of the OIS coil bracket; the OIS coil support comprises OIS coils the number of which is the same as that of the magnets; the OIS coils and the magnets are arranged in a one-to-one correspondence manner; the bearing translation bracket is fixed on the lower cover; the four corners of the bearing translation bracket correspond to the four corners of the OIS elastic sheet; at least two translation grooves are arranged on the bearing translation bracket. The invention adopts a bottom bearing translation mode for the lens group, removes a Hall device on OIS VCM design, reduces the anti-interference design difficulty, reduces the cost and improves the assembly yield.

Description

Optical anti-shake voice coil motor, camera module and electronic product

Technical Field

The application relates to voice coil motor technical field, concretely relates to optics anti-shake voice coil motor, module and electronic product of making a video recording.

Background

An OIS (Optical Image Stabilizer) voice coil motor, commonly called an Optical anti-shake voice coil motor, is a device that converts electrical energy into mechanical energy and can realize linear and limited swing angle motion, and is applied to a lens of an electronic product, so as to not only realize an auto-focusing function of the lens, but also effectively overcome Image blur caused by lens shake.

In the research and practice process of the prior art, the inventor of the invention finds that the conventional optical anti-vibration voice coil motor OIS VCM used in the current mobile terminal camera module is complex in design, particularly the design of two groups of coils and two groups of magnets is difficult in anti-interference design, the overall assembly yield is low, and the two Hall devices are added, so that the overall cost is high, and a higher threshold is brought to the large-scale application of the OIS VCM.

Disclosure of Invention

The embodiment of the application provides an optics anti-shake voice coil motor, module and electronic product of making a video recording to reduce the jam-proof design degree of difficulty and reduce cost, promote the whole assembly yield.

The utility model provides an optics anti-shake voice coil motor, includes shell, lower cover and set up in the shell with last gasket, OIS shell fragment, a plurality of magnetite, OIS coil bracket, support between the lower cover, its characterized in that includes:

four corners of the upper gasket are correspondingly connected with support legs extending out of four corners of the OIS elastic sheet; the magnets are uniformly distributed on the bracket; the bracket is arranged on the periphery of the OIS coil bracket; the OIS coil support comprises OIS coils the number of which is the same as that of the magnets; the OIS coils and the magnets are arranged in a one-to-one correspondence manner; the bearing translation bracket is fixed on the lower cover; four corners of the bearing translation bracket correspond to four corners of the OIS elastic sheet; at least two translation grooves are arranged on the bearing translation bracket.

Optionally, in some embodiments, balls are disposed in the translation grooves, and the balls are flatly arranged in the translation grooves.

Optionally, in some embodiments, the translation slot is disposed on a side of the load bearing translation bracket that is connected to the bracket.

Optionally, in some embodiments, the bearing translation support, the OIS elastic piece, and the upper pad are square, elastic piece fixing alignment holes are provided at four corners of the bearing translation support to correspond to four corners of the OIS elastic piece, and four corners of the OIS elastic piece correspond to four corners of the upper pad.

Optionally, in some embodiments, the support is uniformly provided with a plurality of magnet installation grooves, the magnets are arranged in the magnet installation grooves in a one-to-one correspondence manner, the OIS coil support is provided with OIS coil placement grooves, the number of which is the same as that of the magnets, and the OIS coils are arranged in the OIS coil placement grooves in a one-to-one correspondence manner.

Optionally, in some embodiments, the four corners of the upper gasket are connected to the support legs of the OIS elastic piece, the four corners of the OIS elastic piece are connected to the support, and the support is connected to the bearing translation support by hot riveting or dispensing.

Optionally, in some embodiments, the antenna further includes a circuit board, a part of the structure of the circuit board is accommodated in a space enclosed by the housing and the lower cover, and the circuit board is electrically connected to the OIS coil and the OIS elastic piece.

A camera module, comprising:

any one of the optical anti-shake voice coil motors; and

and the lens is arranged in the optical anti-shake voice coil motor in a penetrating way.

The lens barrel includes:

the lens barrel comprises a lens barrel and a lens barrel bearing sliding block arranged at the bottom of the lens barrel;

the lens barrel bearing slide block slides in the translation groove.

The number of the lens cone bearing sliding blocks is the same as that of the translation grooves, the contact surface of the lens cone bearing sliding blocks and the balls is a plane, and the contact surface is smaller than the size of the groove surface of the translation grooves.

An electronic product comprises the camera module.

The optical anti-shake voice coil motor comprises a shell, a lower cover, an upper gasket, an OIS elastic sheet, a plurality of magnets, an OIS coil support and a support, wherein the upper gasket, the OIS elastic sheet, the plurality of magnets, the OIS coil support and the support are arranged between the shell and the lower cover; the magnets are uniformly distributed on the bracket; the bracket is arranged on the periphery of the OIS coil bracket; the OIS coil support comprises OIS coils the number of which is the same as that of the magnets; the OIS coils and the magnets are arranged in a one-to-one correspondence manner; the bearing translation bracket is fixed on the lower cover; four corners of the bearing translation bracket correspond to four corners of the OIS elastic sheet; at least two translation grooves are arranged on the bearing translation bracket. In the optical anti-vibration voice coil motor, a bottom bearing and translation mode is adopted for a lens group, a Hall device in the design of the traditional optical anti-vibration voice coil motor is eliminated, the anti-interference design difficulty is reduced, the cost is reduced, and the assembly yield is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is an exploded view of an optical anti-shake vcm according to a first embodiment of the present application;

fig. 2 is an exploded view of an optical anti-shake vcm according to a second embodiment of the present application;

fig. 3 is a schematic plan view of a carriage of an optical anti-shake vcm according to an embodiment of the present disclosure.

Fig. 4 is a top view of a carriage translation bracket of an optical anti-shake voice coil motor according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The utility model provides an optics anti-shake voice coil motor mainly is applied to the module of making a video recording of electronic product, during the camera lens in the module of making a video recording wears to locate optics anti-shake voice coil motor, optics anti-shake voice coil motor and the lens cooperation that piezoelectric film material made, bring the auto Focus function that piezoelectric film camber change formed based on the voltage variation of lens, AF (automatic Focus) coil and magnetite and shell fragment in the design of optics anti-shake voice coil motor have been removed.

Referring to fig. 1, an optical anti-shake vcm according to an embodiment of the present application includes a casing 101, a lower cover 108, and an upper spacer 102, an OIS elastic piece 103, a plurality of magnets 104, an OIS coil bracket 105, and a bracket 106 disposed between the casing 101 and the lower cover 108, where four corners of the upper spacer 102 are correspondingly connected to support legs 114 extending from four corners of the OIS elastic piece 103; the magnets 104 are uniformly distributed on the bracket 106; the support 106 is arranged at the periphery of the OIS coil support 105; the OIS coil holder 105 includes OIS coils of the same number as the magnets 104; the OIS coils and the magnets 104 are arranged in one-to-one correspondence; the carriage translation carriage 107 is fixed on the lower cover 108; four corners of the bearing translation bracket 107 correspond to four corners of the OIS elastic sheet 103; at least two translation slots 117 are provided on the load translation carriage 107.

In one embodiment, the housing 101 and the lower cover 108 may be metal shells. It should be noted that, the materials of the housing and the lower cover in the embodiments of the present application are not limited to this, and other manners may also be adopted, such as: the housing 101 and the lower cover 108 may include a plastic part and a metal part. For another example: the housing 101 and the lower cover 108 may be plastic housings.

Referring to fig. 1, the housing 101 is in a square frame shape, and has four side plates 111 connected in sequence, the left side of the housing 101 is open, the lower cover 108 is disposed on one side of the open side of the housing 101, the right side of the housing 101 is provided with a central through hole 112 for the lens to pass through, and the upper gasket 102, the OIS elastic sheet 103, the plurality of magnets 104, the OIS coil support 105, the support 106, and the bearing translation support 107 are disposed in an inner space formed by the enclosure of the housing 101 and the lower cover 108. In other embodiments, the housing 101 may have other shapes, such as a cylindrical shape, and the like, and accordingly, the carrier plate 119 of the lower cover 108 may also have a circular shape.

Referring to fig. 1, the bottom cover 108 includes a supporting plate 119 and a supporting column 120, the supporting plate 119 is square, a central through hole 121 is disposed on the supporting plate 119 for facilitating the lens to pass through, and the housing 101 is mounted on the supporting plate 119. The plurality of lead pieces 122 are further disposed on the bearing plate 119, so that the whole optical anti-vibration voice coil motor can be conveniently mounted and fixed. Four corners of the lower cover 108 are respectively provided with a support column 120, the four support columns 120 correspond to the four corners of the casing 101, and the four support columns 120 are respectively abutted against the inner wall of the casing 101, so that the casing 101 is conveniently mounted on the lower cover 108. In other embodiments, the carrier plate 119 may have other shapes, such as a circular shape, and the shape of the carrier plate 119 matches the shape of the housing 101; the number of struts 120 of the lower cover 108 is not limited; the lower cover 108 may be provided with a side plate on one surface of the carrier plate 119 facing the housing 101, without providing the support column 120, so as to abut against the inner wall of the side plate 111 of the housing 101, thereby facilitating the mounting of the housing 101 on the lower cover 108.

Referring to fig. 1, the upper pad 102 is a square thin sheet, and four corners of the upper pad 102 are respectively provided with support legs 113; the OIS elastic sheet 103 is square, the OIS elastic sheet 103 includes four sides of the elastic sheet 103 and four corners of the support legs 114 extending out, and the support legs 113 of the upper pad 102 are connected with the support legs 114 of the OIS elastic sheet 103 through glue dispensing or hot riveting. In other embodiments, the upper pad 102 and the OIS elastic piece 103 may have other shapes, such as circular shapes.

Evenly set up a plurality of magnetite mounting grooves 123 on the support 106, magnetite mounting groove 123 is rectangular shape recess, and a plurality of magnetite 104 one-to-one sets up in a plurality of magnetite mounting grooves 123, sets up the OIS coil standing groove 115 the same with magnetite 104 figure on the OIS coil support 105, and OIS coil one-to-one sets up in OIS coil standing groove 115, and a plurality of OIS coils and a plurality of magnetite 104 one-to-one set up.

Referring to fig. 1, four magnet mounting grooves 123 are uniformly formed on the bracket 106, and the extending directions of two adjacent magnet mounting grooves 123 are perpendicular. Correspondingly, four OIS coil placing grooves 115 are uniformly formed in the OIS coil support 105, the support 106 is arranged on the periphery of the OIS coil support 105, the number of the magnets 104 and the number of the OIS coils are four, the four OIS coils are arranged in the OIS coil placing grooves 115 in a one-to-one correspondence manner, the four magnets 104 are arranged in the magnet installing grooves 123 in a one-to-one correspondence manner, the four OIS coils and the four magnets 104 are arranged in a one-to-one correspondence manner, and the four OIS coils correspond to the four corners of the casing 101. In other embodiments, the number of the magnet mounting grooves 123, the OIS coil placement grooves 115, the magnets 104, and the OIS coils may be 2, 6, or the like, and the number of the magnets 104 is preferably four.

Referring to fig. 1, the bracket 106 is an octagonal frame, four support posts 116 are uniformly disposed on one side of the bracket 106 connected to the OIS elastic piece 103, the magnet mounting grooves 123 are disposed at the bottom of the support posts 116, and the four support posts 116 of the bracket 106 are connected to four corners of the OIS elastic piece 103 by means of glue dispensing or hot riveting. In other embodiments, the number of struts 116 on the support 106 is set according to the number of magnets 104, and may be 2, 6, etc.; the support 106 may also be other shapes, such as a circular frame, etc.

In other embodiments, the support 106 may also be provided without the support post 116, a side plate is provided on a side of the support 106 connected to the OIS elastic piece 103, a plurality of magnet mounting slots 123 are uniformly provided on an inner wall of the side plate of the support 106, and the plurality of magnets 104 are disposed in the plurality of magnet mounting slots 123 in a one-to-one correspondence manner.

Referring to fig. 1, the magnet 104 is in a trapezoid shape, for the optical anti-shake voice coil motor in this embodiment, the OIS coil and the magnet 104 act together to generate an ampere force to pull the OIS elastic piece 103, and the OIS elastic piece 103 deforms to push the lens group to move along the X axis and the Y axis, that is, the lens barrel bearing sliding block at the bottom of the lens barrel slides on the balls in the translation groove 117 along the X axis and the Y axis.

At least two translation grooves 117 are formed in the bearing translation bracket 107, the translation grooves 117 are located on the side, connected with the bracket 106, of the bearing translation bracket 107, the bearing translation bracket 107 is a square frame, a central through hole 118 is formed in the bearing translation bracket 107, and the translation grooves 117 are located around the central through hole 118.

Referring to fig. 1, two translation slots 117 are disposed on the carriage translation bracket 107, the two translation slots 117 are disposed on a side of the carriage translation bracket 107 connected to the bracket 106, and the two translation slots 117 are disposed opposite to each other and located in the middle of two opposite sides of the carriage translation bracket 107. It should be noted that in other embodiments, the two translational slots 117 may be disposed on either side of the carriage bracket 107 connected to the bracket 106, for example, the two translational slots 117 may be located on the same side. As another example, two translating slots 117 may be located at any two corners of the load bearing translating carriage 107, and so on. More than two translation grooves 117 can be provided, and 4, 6, etc., and correspondingly, the bottom of the lens barrel is provided with the same number of bearing translation sliders as the translation grooves 117.

A plurality of balls are arranged in the translation groove 117, the balls are flatly arranged in the translation groove 117, the bearing translation sliding block slides in the translation groove 117, the contact surface of the bearing translation sliding block and the balls is a plane, and the contact surface is smaller than the groove surface of the translation groove 117. The balls are arranged flatly, namely the balls are arranged on the same plane, and no ball is convex or concave.

In the embodiment of fig. 1, the four corners of the upper pad 102 are connected to the legs 114 of the OIS elastic piece 103, the four corners of the OIS elastic piece 103 are connected to the bracket 106, and the bracket 106 is connected to the bearing translation bracket 107 by means of hot riveting or dispensing. It should be noted that the connection manner of the components in the embodiments of the present application is not limited to this, and other manners, such as clamping, soldering, and the like, may also be adopted.

Referring to fig. 2, in another optical anti-shake vcm provided in the embodiment of the present application, the optical anti-shake vcm includes a housing 201, a lower cover 208, and an upper spacer 202, an OIS elastic piece 203, a plurality of magnets, an OIS coil bracket 204, a magnet bracket 205, a bearing translation bracket 206, and a PCB board 207 disposed between the housing 201 and the lower cover 208, where four corners of the upper spacer 202 are correspondingly connected to four corners of pins 216 of the OIS elastic piece 203; the magnets are uniformly distributed on the magnet support 205; the magnet support 205 is arranged on the periphery of the OIS coil support 204; the OIS coil holder 204 includes OIS coils of the same number as the magnets; the OIS coils and the magnets are arranged in a one-to-one correspondence manner; the bearing translation bracket 206 is fixed on a PCB circuit board 207, and the PCB circuit board 207 is fixed on a lower cover 208; the four corners of the bearing translation bracket 206 correspond to the four corners of the OIS elastic sheet 203; at least two translation slots 218 are provided on the load translation carriage 206.

Referring to fig. 2, the housing 201 is shaped like a square frame and has four side plates connected in sequence, the housing 201 has a central through hole 211 for the lens to pass through, and the upper gasket 202, the OIS elastic piece 203, the plurality of magnets, the OIS coil support 204, the magnet support 205, the bearing translation support 206, and the PCB circuit board 207 are located in an inner space defined by the housing 201 and the lower cover 208. In other embodiments, the housing 201 may have other shapes, such as a cylindrical shape, and the carrier plate 217 of the lower cover 208 may have a circular shape.

Referring to fig. 2, the lower cover 208 includes a supporting plate 217, the supporting plate 217 is square, a central through hole 223 is formed on the supporting plate 217 for facilitating the lens to pass through, and four positioning holes 222 are formed on the supporting plate 217 for facilitating the fixing of the lens barrel. Alignment ports 224 are respectively arranged at four corners of the lower cover 208, and the four alignment ports 224 correspond to the four corners of the shell 201, so that the shell 201 can be conveniently mounted on the lower cover 208. In other embodiments, the carrier plate 217 may have other shapes, such as a circle, and the carrier plate 217 has a shape matching the shape of the housing 201; the lower cover 208 may not be provided with the alignment opening 224, and a side plate is arranged on one surface of the bearing plate 217 facing the housing 201 and abuts against the inner wall of the side plate of the housing 201, so that the housing 201 is conveniently mounted on the lower cover 208; the lower cover 208 may further have pillars at four corners of the supporting plate 217, the four pillars correspond to four corners of the housing 201, the four pillars respectively abut against an inner wall of the housing 201, and the number of the pillars is not limited.

Referring to fig. 2, the upper pad 202 is a square thin sheet, the middle of which is provided with a central through hole 212, the upper pad 202 is fixed on the housing 201, and four corners of the upper pad 202 correspond to four corners of the housing 201; the OIS elastic piece 203 is composed of 4 independent units, each unit comprises an elastic piece outer frame 213 and an elastic piece inner ring 215, the elastic piece outer frame 213 and the elastic piece inner ring 215 are connected through an elastic piece elastic wire 214, an elastic piece pin 216 is arranged on the elastic piece outer frame 213, and the four elastic piece pins 216 are arranged at one end, connected with the bearing translation support 206, of the OIS elastic piece 203. In other embodiments, the upper pad 202 may have other shapes, such as circular, etc.

Evenly set up a plurality of magnetite mounting grooves 217 on the magnetite support 205, magnetite mounting groove 217 is rectangular shape recess, and a plurality of magnetite one-to-ones set up in a plurality of magnetite mounting grooves 217, set up the OIS coil the same with the magnetite figure on the OIS coil carrier 204, and a plurality of OIS coils set up with a plurality of magnetite one-to-ones.

Referring to fig. 2, four magnet mounting grooves 217 are uniformly formed in the magnet holder 205, and the extending directions of two adjacent magnet mounting grooves 217 are perpendicular to each other. The magnet support 205 is arranged on the periphery of the OIS coil support 204, the number of the magnets and the number of the OIS coils are four, the four magnets are arranged in the magnet mounting grooves 217 in a one-to-one correspondence mode, the four OIS coils and the four magnets are arranged in a one-to-one correspondence mode, and the four OIS coils correspond to the four corners of the shell 201. In other embodiments, the number of the magnet mounting grooves 217, the magnets, and the OIS coils is not limited, and the number of the magnets is preferably set to four.

Referring to fig. 2, the magnet holder 205 is an octagonal frame and is formed by enclosing 8 side plates, the magnet mounting slots 217 are formed in the side plates, and the OIS coil holder 204 is an octagonal frame corresponding to the magnet holder 205. In other embodiments, the magnet holder 205 may further include a plurality of support posts, and the number of support posts on the magnet holder 205 is set according to the number of magnets; the magnet holder 205 may also have other shapes, such as a circular frame, etc.

Referring to fig. 2, the magnet is located in the magnet mounting groove 217 and is in a long strip shape, for the optical anti-shake voice coil motor in this embodiment, the OIS coil and the magnet act together to generate an ampere force to pull the OIS elastic piece 203, and the OIS elastic piece 203 deforms to push the lens group to move along the X axis and the Y axis, that is, the lens barrel bearing sliding block at the bottom of the lens barrel slides on the balls in the translation groove 218 along the X axis and the Y axis.

At least two translation grooves 218 are formed in the bearing translation bracket 206, the translation grooves 218 are located on the side where the bearing translation bracket 206 is connected with the magnet holder 205, a central through hole 220 is formed in the bearing translation bracket 206, and the translation grooves 218 are located around the central through hole 220.

Referring to fig. 2, two translation slots 218 are disposed on the carriage 206, the two translation slots 218 are disposed on a side of the carriage 206 connected to the magnet holder 205, and the two translation slots 218 are disposed opposite to each other and located in the middle of two opposite sides of the carriage 206. It should be noted that in other embodiments, the two translational slots 218 may be located on either side of the carriage 206 that is connected to the magnet holder 205, for example, the two translational slots 218 may be located on the same side. For another example, two translation slots 218 may be located at any two corners of the load bearing translation bracket 206, and so on; more than two translation slots 218 can be provided, and 4, 6, etc.; the translation slots 218 may be other shapes, such as diamond-shaped, etc.

Referring to fig. 2, the carriage 206 is square, and alignment ports 219 are respectively disposed at four corners of the carriage 206, and the four alignment ports 219 correspond to four corners of the housing 201.

Referring to fig. 2, a part of the PCB 207 is accommodated in a space formed by the housing 201 and the lower cover 208, and the PCB 207 is electrically connected to the OIS coil and to the OIS spring 203. The structure of the PCB 207 exposed out of the housing 201 is a pin structure 221 of the PCB 207, and is used for connecting with the rest of the circuit boards in the camera module. It is understood that in other embodiments, the PCB board 207 may be omitted and the OIS coil may be electrically connected directly to the remaining circuit boards in the camera module.

In the embodiment shown in fig. 3 and 4, the four corners of the carriage 301 are respectively provided with the elastic piece fixing alignment holes 304, and the four elastic piece fixing alignment holes 304 are used for corresponding to the four pins 216 of the OIS elastic piece 203. The translation grooves 302 are square, 32 balls 303 are arranged in each translation groove 302, each ball 303 is the same in size, and the balls 303 are in contact with each other and arranged in 8 rows. In other embodiments, the translational groove 302 may have other shapes, such as a diamond shape, etc., the number and size of the balls 303 may be set, and the number of the balls 303 may be set according to the size of the translational groove 302 and the size of the balls 303.

The plurality of balls 303 are arranged in the translation groove 302, the plurality of balls 303 are flatly arranged in the translation groove 302, the bearing translation sliding block 422 slides in the translation groove 302, and the contact surface between the bearing translation sliding block 422 and the balls 303 is a plane, and is smaller than the groove surface of the translation groove 302. The balls 303 are arranged flatly, that is, the balls 303 are arranged on the same plane, and no ball 303 is raised or lowered.

In one embodiment, after balls 303 are aligned in a flat manner, the opening surface of translation groove 302 is higher than balls 303, barrel bearing slide 422 slides on balls 303, and the wall of translation groove 302 can limit the sliding out of barrel bearing slide 422. In other embodiments, the balls 303 may be aligned in a flat manner and may be flush with the notch surface of the translation groove 302.

Referring to fig. 4, the lens barrel inner ring 421 corresponds to the central through hole 305, the lens barrel bearing slider 422 is disposed on the lens barrel outer ring 420, the coil placement groove 412 is square and corresponds to the elastic piece fixing alignment hole 304, the OIS coil 413 is disposed in the coil placement groove 412, and the magnet mounting grooves 405 are uniformly distributed on the magnet support 401.

The embodiment of the application provides an optical anti-shake voice coil motor, a camera module and an electronic product, wherein the optical anti-shake voice coil motor comprises a shell, a lower cover, an upper gasket, an OIS elastic sheet, a plurality of magnets, an OIS coil support and a support, wherein the upper gasket, the OIS elastic sheet, the plurality of magnets, the OIS coil support and the support are arranged between the shell and the lower cover; the magnets are uniformly distributed on the bracket; the bracket is arranged at the periphery of the OIS coil bracket; the OIS coil support comprises OIS coils the number of which is the same as that of the magnets; the OIS coils and the magnets are arranged in a one-to-one correspondence manner; the bearing translation bracket is fixed on the lower cover; the four corners of the bearing translation bracket correspond to the four corners of the OIS elastic sheet; at least two translation grooves are arranged on the bearing translation bracket. The optical anti-vibration voice coil motor provided by the embodiment of the application adopts a bottom bearing and translation mode for the lens group, removes a Hall device in OIS VCM design, reduces anti-interference design difficulty, reduces cost and improves assembly yield.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims

1. The utility model provides an optics anti-shake voice coil motor, includes shell, lower cover and set up in the shell with last gasket, OIS shell fragment, a plurality of magnetite, OIS coil bracket, support between the lower cover, its characterized in that includes:

2. The optical anti-shake vcm according to claim 1, wherein the carriage translation carriage is provided with at least two translation slots, comprising: the ball bearing is arranged in the translation groove, and the ball bearing is arranged in the translation groove in a smooth mode.

3. The optical anti-shake vcm according to claim 2, wherein the translation slot is disposed at a side of the carriage translation bracket connected to the bracket.

4. The optical anti-shake voice coil motor according to claim 1, wherein the bearing translation bracket, the OIS elastic piece and the upper spacer are square, spring fixing alignment holes are provided at four corners of the bearing translation bracket to correspond to four corners of the OIS elastic piece, and four corners of the OIS elastic piece correspond to four corners of the upper spacer.

5. The optical anti-shake voice coil motor according to claim 1, wherein the holder is uniformly provided with a plurality of magnet mounting grooves, the magnets are arranged in the magnet mounting grooves in a one-to-one correspondence, the OIS coil holder is provided with OIS coil mounting grooves having the same number as that of the magnets, and the OIS coils are arranged in the OIS coil mounting grooves in a one-to-one correspondence.

6. The optical anti-shake voice coil motor according to claim 1, wherein four corners of the upper spacer are connected to the legs of the OIS spring, four corners of the OIS spring are connected to the support, and the support is connected to the load-bearing translation support by means of hot riveting or dispensing.

7. The utility model provides a module of making a video recording which characterized in that includes:

the optical anti-shake voice coil motor of any one of claims 1-6; and

8. The camera module of claim 7, wherein the lens comprises:

the lens barrel bearing slide block slides in the translation groove.

9. The camera module of claim 8, wherein the barrel-carrying slide comprises: the number of the lens cone bearing sliding blocks is the same as that of the translation grooves, the contact surface of the lens cone bearing sliding blocks and the balls is a plane, and the contact surface is smaller than the size of the groove surface of the translation grooves.

10. An electronic product, characterized by comprising the camera module according to claim 9.