WO2021258540A1 - 一种af马达结构、照相装置、电子产品 - Google Patents

一种af马达结构、照相装置、电子产品 Download PDF

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Publication number
WO2021258540A1
WO2021258540A1 PCT/CN2020/112069 CN2020112069W WO2021258540A1 WO 2021258540 A1 WO2021258540 A1 WO 2021258540A1 CN 2020112069 W CN2020112069 W CN 2020112069W WO 2021258540 A1 WO2021258540 A1 WO 2021258540A1
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WIPO (PCT)
Prior art keywords
carrier
sub
main
main carrier
motor structure
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PCT/CN2020/112069
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English (en)
French (fr)
Inventor
韦华
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新思考电机有限公司
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Application filed by 新思考电机有限公司 filed Critical 新思考电机有限公司
Priority to US17/612,221 priority Critical patent/US20220308422A1/en
Publication of WO2021258540A1 publication Critical patent/WO2021258540A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • G03B13/34—Power focusing
    • G03B13/36—Autofocus systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/035—DC motors; Unipolar motors
    • H02K41/0352—Unipolar motors
    • H02K41/0354—Lorentz force motors, e.g. voice coil motors
    • H02K41/0356—Lorentz force motors, e.g. voice coil motors moving along a straight path
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10—Power-operated focusing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B30/00—Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/035—DC motors; Unipolar motors
    • H02K41/0352—Unipolar motors
    • H02K41/0354—Lorentz force motors, e.g. voice coil motors
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0046—Movement of one or more optical elements for zooming
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0053—Driving means for the movement of one or more optical element
    • G03B2205/0069—Driving means for the movement of one or more optical element using electromagnetic actuators, e.g. voice coils

Definitions

  • the invention relates to the field of photographic equipment, in particular to an AF motor structure, a photographing device, and an electronic product.
  • AF motors have basically become the basic configuration of such electronic products; voice coil motors used for autofocus have shown a trend of rapid development .
  • the existing AF motor mainly includes a base, a housing, a bracket, a magnet, a carrier, a coil, an upper spring, a lower spring, etc., and focus is achieved by moving the carrier relative to the base.
  • the existing AF motor can only achieve sequential focusing, and cannot achieve continuous and precise focusing. Moreover, the lens of the existing AF motor is independent and fixed on the carrier with an immovable structure. As a result, there is no continuous optical zoom in the product, and the focus resolution is poor. Without the effect of optical zoom and can not do better resolution.
  • the purpose of the present invention is to provide an AF motor structure, a camera device, and an electronic product, which can increase the structure of driving the lens, realize the effect of continuous zooming of the optical performance and improving the optical resolution.
  • an AF motor structure including a base, a housing, a bracket, a main carrier, a lens
  • the bracket is provided with a main coil that drives the main carrier to move
  • the carrier is provided with a magnet corresponding to the main coil
  • the main carrier is provided with a continuous zoom component that drives the lens to move
  • the continuous zoom component includes a component that can move relative to the main carrier along the sliding direction of the main carrier.
  • a carrier, a sub-coil provided on the sub-carrier and a sub-coil provided on the sub-carrier, the lens is connected to the sub-carrier, and the sub-coil corresponds to the magnet.
  • a further arrangement of the present invention is that: the lower end surface of the main carrier is provided with an annular movable groove that accommodates the sub-carrier, and the sub-carrier is located in the movable groove and can move relative to the main carrier.
  • the base is connected with a lower spring
  • the lower spring includes an outer fixed part fixedly connected to the base, a middle fixed part fixedly connected to the main carrier, and an inner fixed part fixedly connected to the sub-carrier.
  • the present invention is further provided as follows: the side wall of the lens is fixed with a plurality of connecting blocks connected to the end of the sub-carrier facing the bottom surface of the movable groove, and the bottom surface of the movable groove is provided with a plurality of installation grooves corresponding to the connecting blocks, so The installation groove penetrates the bottom surface of the movable groove.
  • a further arrangement of the present invention is that the main coils are arranged in two and are arranged symmetrically on both sides of the main carrier, the magnets are arranged in two groups respectively corresponding to the main coils, and the sub-coils are arranged around the sub-carriers. .
  • a further arrangement of the present invention is that the bracket body is formed on the base, and the bracket is provided with an assembly groove for installing the coil.
  • the present invention is further provided as follows: the middle fixing part is fixedly connected to the end surface of the main carrier facing the base, and the inner fixing part is fixedly connected to the end surface of the sub-carrier facing the base.
  • the base is provided with an outer positioning block for positioning the outer fixing part
  • the outer fixing part is provided with an outer positioning groove that is clamped with the outer positioning block
  • the main carrier is provided with a middle positioning block for positioning the middle fixing part
  • the middle fixing part is provided with a middle positioning groove that is clamped with the middle positioning block
  • the sub-carrier is provided with an inner positioning block that abuts against the side wall of the inner fixation part and positions the inner fixation part.
  • the present invention is further provided as: a camera device having the above-mentioned AF motor structure.
  • a further configuration of the present invention is: an electronic product having the above-mentioned AF motor structure.
  • the present invention has the following beneficial effects:
  • the main carrier When focusing, the main carrier is driven to move after the main coil is energized, and the main carrier drives the sub-carriers to move synchronously to achieve preliminary focusing. Then, the sub-coils are energized to drive the sub-carrier to move relative to the main carrier and divide The carrier drives the lens to move synchronously to achieve continuous focusing, thereby improving the optical performance of the product, continuous zooming and improving optical resolution; and the main line coil and the sub-coil share the magnet, which can effectively reduce the volume and weight of the application.
  • the first elastic part When the main carrier moves, the first elastic part is elastically deformed, and the second elastic part and the internal fixing part drive the sub-carrier to move synchronously.
  • the sub-carrier moves relative to the main carrier, the second elastic part is elastically deformed; after use, The main carrier and the sub-carrier can be reset by the first elastic part and the second elastic part, and it is ensured that the present application can realize the continuous zoom function.
  • the connecting block of the lens is put in from the position of the installation slot and abuts and adheres to the upper end surface of the sub-carrier, so as to realize the installation and fixation of the lens on the sub-carrier and improve the convenience of assembly.
  • Figure 1 is a schematic diagram of the non-explosive embodiment 1
  • Figure 2 is a cross-sectional view of Embodiment 1;
  • Figure 3 is a schematic diagram of the lower spring
  • Figure 4 is a second cross-sectional view of embodiment 1, used to show the assembly of the lower spring and the base, the main carrier, and the sub-carrier;
  • Figure 5 is a schematic diagram of the assembly of the lower spring and the main carrier in embodiment 1;
  • Figure 6 is a schematic diagram of the base
  • FIG. 7 is a schematic diagram of the assembly of the lens and the main carrier in Embodiment 1.
  • FIG. 7 is a schematic diagram of the assembly of the lens and the main carrier in Embodiment 1.
  • an AF motor structure proposed by the present invention includes a base 1, a housing 2, a bracket 3, a main carrier 4, and a lens 5.
  • the bracket 3 is provided with a drive to drive the main The main coil 6 where the carrier 4 moves, and the main carrier 4 is provided with a magnet 7 corresponding to the main coil 6.
  • the bracket 3 is integrally formed on the base 1, and the bracket 3 is provided with an assembly groove 8 for installing the main coil 6.
  • the main carrier 4 is provided with a continuous zoom component that drives the lens 5 to move, and the continuous zoom component includes a sub-carrier 9 movable relative to the main carrier 4 along the sliding direction of the main carrier 4, and is arranged at the sub-carrier 9;
  • the carrier 9 is disposed on the sub-coil 10 of the sub-carrier 9, the lens 5 is connected to the sub-carrier 9, and the sub-coil 10 corresponds to the magnet 7.
  • the lower end of the main carrier 4 is provided with a movable groove 11 for the sub-carrier 9 to move.
  • the movable groove 11 is arranged in a ring shape, and the sub-carrier 9 is located in the movable groove 11 and can move relative to the main carrier 4; that is, the sub-carrier 9
  • the height is smaller than the depth of the movable groove 11.
  • the main carrier 4 When focusing, the main carrier 4 is driven to move after the main coil 6 is energized, and the main carrier 4 drives the sub-carrier 9 to move synchronously to achieve preliminary focusing. Then, the sub-coil 10 is energized to drive the sub-carrier 9 relative to The main carrier 4 moves, and the sub-carrier 9 drives the lens 5 to move synchronously to achieve continuous focusing, thereby improving the optical performance of the product. Continuous zooming and improving optical resolution; and the main line coil and the sub-coil 10 share the magnet 7, which can effectively reduce the cost The volume and weight of the application.
  • the base 1 is connected with a lower spring 12, and the lower spring 12 includes an outer fixing portion 13 fixedly connected to the base 1, and a fixed connection
  • the central fixing portion 14 of the main carrier 4, the inner fixing portion 15 fixedly connected to the sub-carrier 9, the first elastic portion 16 disposed between the outer fixing portion 13 and the inner fixing portion 15, and The middle fixing portion 14 and the second elastic portion 17 of the inner fixing portion 15; and the middle fixing portion 14 and the inner fixing portion 15 are fixedly connected to the lower end surfaces of the main carrier 4 and the sub-carrier 9 respectively.
  • the first elastic portion 16 is elastically deformed, and the second elastic portion 17 and the internal fixing portion 15 drive the sub-carrier 9 to move synchronously.
  • the second elastic portion 17 Elastic deformation; after use, the main carrier 4 and the sub-carrier 9 can be reset through the first elastic portion 16 and the second elastic portion 17, and ensure that the application can realize the continuous zoom function.
  • the base 1 is provided with an outer positioning block 18 for positioning the outer fixing portion 13, and the outer fixing portion 13 is provided with an outer positioning groove 19 for clamping with the outer positioning block 18.
  • the main carrier 4 is provided with a middle positioning block 20 for positioning the middle fixing part 14, the middle fixing part 14 is provided with a middle positioning groove 21 that is clamped with the middle positioning block 20, and the sub-carrier 9 is provided with abutting
  • the inner positioning block 22 of the inner fixing portion 15 is positioned on the side wall of the inner fixing portion 15.
  • a number of connecting blocks 23 connected to the end of the sub-carrier 9 facing the bottom surface of the movable groove 11 are fixed on the side wall of the lens 5, and the bottom surface of the movable groove 11 is provided with a number of The mounting groove 24 corresponding to the connecting block 23 penetrates the bottom surface of the movable groove 11.
  • Embodiment 2 A camera device having the AF motor structure described in Embodiment 1.
  • Embodiment 3 An electronic product having the camera device described in Embodiment 2.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)

Abstract

一种AF马达结构、照相装置、电子产品，AF马达结构包括：底座（1）、外壳（2）、支架（3）、主载体（4）、镜头（5），支架设置有驱动主载体（4）移动的主线圈（6），主载体（4）设置有与主线圈（6）对应的磁石（7）；主载体（4）设置有驱动镜头（5）移动的连续变焦组件，连续变焦组件包括可沿主载体（4）滑移方向相对于主载体（4）移动的分载体（9）、设置于分载体（9）设置于分载体（9）的分线圈（10），镜头（5）连接于分载体（9），分线圈（10）与磁石（7）相对应。能够实现增加驱动镜头的结构，实现光学性能连续变焦并提高光学解析力的效果。

Description

一种AF马达结构、照相装置、电子产品 技术领域
本发明涉及照相设备领域，尤其涉及到一种AF马达结构、照相装置、电子产品。
背景技术
近年来，自动对焦技术在手机、平板电脑、笔记本电脑的成像系统中被广泛应用，AF马达基本已经成为该类电子产品的基本配置；被用于自动对焦的音圈马达呈现出快速展的趋势。
现有的AF马达主要包括底座、外壳、支架、磁石、载体、线圈、上弹簧、下弹簧等，通过载体相对于底座移动实现进行对焦。
现有的AF马达仅能实现依次对焦，无法做到连续精准对焦，并且现有AF马达的镜头为独立且固定于载体，不可动结构，导致在产品无连续光学变焦，对焦解析力差，达到不到光学变焦的效果及做不出更好的解析力。
因此，我们有必要对这样一种结构进行改善，以克服上述缺陷。
发明内容
本发明的目的是提供一种AF马达结构、照相装置、电子产品，能够实现增加驱动镜头的结构，实现光学性能连续变焦并提高光学解析力的效果。
本发明的上述技术目的是通过以下技术方案实现的：一种AF马达结构，包括底座、外壳、支架、主载体、镜头，所述支架设置有驱动所述主载体移动的主线圈，所述主载体设置有与所述主线圈对应的磁石；所述主 载体设置有驱动所述镜头移动的连续变焦组件，所述连续变焦组件包括可沿所述主载体滑移方向相对于主载体移动的分载体、设置于所述分载体设置于所述分载体的分线圈，所述镜头连接于所述分载体，所述分线圈与所述磁石相对应。
本发明的进一步设置为：所述主载体下端面开设有呈环状并容纳所述分载体的活动槽，所述分载体位于所述活动槽内且可相对于主载体移动。
本发明的进一步设置为：所述底座连接有下弹簧，所述下弹簧包括固定连接于底座的外固定部、固定连接于所述主载体的中固定部、固定连接于所述分载体的内固定部、设置于所述外固定部与内固定部之间的第一弹性部、设置于所述中固定部与内固定部的第二弹性部。
本发明的进一步设置为：所述镜头侧壁固定有若干个连接于所述分载体朝向活动槽底面一端的连接块，所述活动槽底面开设有若干个与连接块相对应的安装槽，所述安装槽贯穿所述活动槽底面。
本发明的进一步设置为：所述主线圈设置为两个且呈对称设置于所述主载体两侧，所述磁石设置为两组分别与主线圈相对应，所述分线圈呈环绕分载体设置。
本发明的进一步设置为：所述支架体成型于底座，所述支架设置有供线圈安装的装配槽。
本发明的进一步设置为：所述中固定部固定连接于主载体朝向底座的端面，所述内固定部固定连接于分载体朝向底座的端面。
所述底座设置有定位所述外固定部的外定位块，所述外固定部开设有与所述外定位块卡接的外定位槽，所述主载体设置有定位中固定部的中定位块，所述中固定部开设有与所述中定位块卡接的中定位槽，所述分载体设置有抵接于内固定部侧壁并定位内固定部的内定位块。
本发明的进一步设置为：一种照相装置，具有上述的AF马达结构。
本发明的进一步设置为：一种电子产品，具有上述的AF马达结构。
综上所述，本发明具有以下有益效果：
在进行对焦时，先通过对主线圈通电后，实现驱动主载体移动，主载体带动分载体同步移动，实现初步对焦，然后通过对分线圈通电，实现驱动分载体相对于主载体移动，并且分载体带动镜头同步移动，达到连续对焦作用，从而提高产品的光学性能连续变焦和提高光学解析力；并且主线线圈与分线圈共用磁石，可以有效减小本申请的体积及重量。
当主载体移动时，第一弹性部弹性形变，并通过第二弹性部及内固定部带动分载体同步移动，当分载体相对于主载体相对移动时，第二弹性部弹性形变；当使用完成后，可通过第一弹性部及第二弹性部使主载体及分载体复位，并确保本申请能够实现连续变焦功能。
在组装镜头时，镜头的连接块从安装槽位置放入并抵接并粘附于分载体上端面，从而实现镜头安装固定于分载体，提高组装便捷性能。
附图说明
图1是实施例1的不爆炸示意图；
图2是实施例1的剖视图一；
图3是下弹簧的示意图；
图4是实施例1剖视图二，用于表现下弹簧与底座、主载体、分载体的装配；
图5是实施例1中下弹簧与主载体的装配示意图；
图6是底座的示意图；
图7是实施例1中镜头与主载体装配的示意图。
图中数字所表示的相应部件名称：1、底座；2、外壳；3、支架；4、 主载体；5、镜头；6、主线圈；7、磁石；8、装配槽；9、分载体；10、分线圈；11、活动槽；12、下弹簧；13、外固定部；14、中固定部；15、内固定部；16、第一弹性部；17、第二弹性部；18、外定位块；19、外定位槽；20、中定位块；21、中定位槽；22、内定位块；23、连接块；24、安装槽。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合图示与具体实施例，进一步阐述本发明。
实施例1：如图1至图7所示，本发明提出的一种AF马达结构，包括底座1、外壳2、支架3、主载体4、镜头5，所述支架3设置有驱动所述主载体4移动的主线圈6，所述主载体4设置有与所述主线圈6对应的磁石7。并且本申请中支架3一体成型于底座1，且支架3开设有供主线圈6安装的装配槽8。
所述主载体4设置有驱动所述镜头5移动的连续变焦组件，所述连续变焦组件包括可沿所述主载体4滑移方向相对于主载体4移动的分载体9、设置于所述分载体9设置于所述分载体9的分线圈10，所述镜头5连接于所述分载体9，所述分线圈10与所述磁石7相对应。并且主载体4下端面开设有供分载体9活动的活动槽11，活动槽11呈环状设置，分载体9位于所述活动槽11内且可相对于主载体4移动；即分载体9的高度小于活动槽11的深度。
在进行对焦时，先通过对主线圈6通电后，实现驱动主载体4移动，主载体4带动分载体9同步移动，实现初步对焦，然后通过对分线圈10通电，实现驱动分载体9相对于主载体4移动，并且分载体9带动镜头5同步移动，达到连续对焦作用，从而提高产品的光学性能连续变焦和提高光 学解析力；并且主线线圈与分线圈10共用磁石7，可以有效减小本申请的体积及重量。
为确保主载体4带动分载体9同步移动且实现分载体9相对于主载体4移动，底座1连接有下弹簧12，所述下弹簧12包括固定连接于底座1的外固定部13、固定连接于所述主载体4的中固定部14、固定连接于所述分载体9的内固定部15、设置于所述外固定部13与内固定部15之间的第一弹性部16、设置于所述中固定部14与内固定部15的第二弹性部17；并且中固定部14及内固定部15分别固定连接于主载体4及分载体9下端面。这样当主载体4移动时，第一弹性部16弹性形变，并通过第二弹性部17及内固定部15带动分载体9同步移动，当分载体9相对于主载体4相对移动时，第二弹性部17弹性形变；当使用完成后，可通过第一弹性部16及第二弹性部17使主载体4及分载体9复位，并确保本申请能够实现连续变焦功能。
为方便精确定位下弹簧12安装位置，底座1设置有定位所述外固定部13的外定位块18，所述外固定部13开设有与所述外定位块18卡接的外定位槽19，所述主载体4设置有定位中固定部14的中定位块20，所述中固定部14开设有与所述中定位块20卡接的中定位槽21，所述分载体9设置有抵接于内固定部15侧壁并定位内固定部15的内定位块22。
为方便镜头5装配于AF马达的分载体9，镜头5侧壁固定有若干个连接于所述分载体9朝向活动槽11底面一端的连接块23，所述活动槽11底面开设有若干个与连接块23相对应的安装槽24，所述安装槽24贯穿所述活动槽11底面。在组装镜头5时，镜头5的连接块23从安装槽24位置放入并抵接并粘附于分载体9上端面，从而实现镜头5安装固定于分载体9，提高组装便捷性能。
实施例2：一种照相装置，具有实施例1所述的AF马达结构。
实施例3：一种电子产品，具有实施例2所述的照相装置。
在本文中，术语“上”、“下”、“前”、“后”、“左”、“右”、“顶”、“底”、“内”、“外”、“竖直”、“水平”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了表达技术方案的清楚及描述方便，因此不能理解为对本发明的限制。
在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，除了包含所列的那些要素，而且还可包含没有明确列出的其他要素。
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等同物界定。

Claims (10)

  1. 一种AF马达结构，包括底座(1)、外壳(2)、支架(3)、主载体(4)、镜头(5)，其特征在于：所述支架(3)设置有驱动所述主载体(4)移动的主线圈(6)，所述主载体(4)设置有与所述主线圈(6)对应的磁石(7)；
    所述主载体(4)设置有驱动所述镜头(5)移动的连续变焦组件，所述连续变焦组件包括可沿所述主载体(4)滑移方向相对于主载体(4)移动的分载体(9)、设置于所述分载体(9)设置于所述分载体(9)的分线圈(10)，所述镜头(5)连接于所述分载体(9)，所述分线圈(10)与所述磁石(7)相对应。
  2. 根据权利要求1所述的一种AF马达结构，其特征在于：所述主载体(4)下端面开设有呈环状并容纳所述分载体(9)的活动槽(11)，所述分载体(9)位于所述活动槽(11)内且可相对于主载体(4)移动。
  3. 根据权利要求1所述的一种AF马达结构，其特征在于：所述底座(1)连接有下弹簧(12)，所述下弹簧(12)包括固定连接于底座(1)的外固定部(13)、固定连接于所述主载体(4)的中固定部(14)、固定连接于所述分载体(9)的内固定部(15)、设置于所述外固定部(13)与内固定部(15)之间的第一弹性部(16)、设置于所述中固定部(14)与内固定部(15)的第二弹性部(17)。
  4. 根据权利要求2所述的一种AF马达结构，其特征在于：所述镜头(5)侧壁固定有若干个连接于所述分载体(9)朝向活动槽(11)底面一端的连接块(23)，所述活动槽(11)底面开设有若干个与连接块(23)相对应的安装槽(24)，所述安装槽(24)贯穿所述活动槽(11)底面。
  5. 根据权利要求1所述的一种AF马达结构，其特征在于：所述主线圈(6)设置为两个且呈对称设置于所述主载体(4)两侧，所述磁石(7)设 置为两组分别与主线圈(6)相对应，所述分线圈(10)呈环绕分载体(9)设置。
  6. 根据权利要求5所述的一种AF马达结构，其特征在于：所述支架(3)体成型于底座(1)，所述支架(3)设置有供线圈安装的装配槽(8)。
  7. 根据权利要求3所述的一种AF马达结构，其特征在于：所述中固定部(14)固定连接于主载体(4)朝向底座(1)的端面，所述内固定部(15)固定连接于分载体(9)朝向底座(1)的端面。
  8. 根据权利要求7所述的一种AF马达结构，其特征在于：所述底座(1)设置有定位所述外固定部(13)的外定位块(18)，所述外固定部(13)开设有与所述外定位块(18)卡接的外定位槽(19)，所述主载体(4)设置有定位中固定部(14)的中定位块(20)，所述中固定部(14)开设有与所述中定位块(20)卡接的中定位槽(21)，所述分载体(9)设置有抵接于内固定部(15)侧壁并定位内固定部(15)的内定位块(22)。
  9. 一种照相装置，其特征在于：具有权利要求1至8任意一条权利要求所述的AF马达结构。
  10. 一种电子产品，其特征在于：具有权利要求9所述的照相装置。
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