WO2020134485A1 - 镜头模组以及电子设备 - Google Patents

镜头模组以及电子设备 Download PDF

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Publication number
WO2020134485A1
WO2020134485A1 PCT/CN2019/113475 CN2019113475W WO2020134485A1 WO 2020134485 A1 WO2020134485 A1 WO 2020134485A1 CN 2019113475 W CN2019113475 W CN 2019113475W WO 2020134485 A1 WO2020134485 A1 WO 2020134485A1
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Prior art keywords
lens
lens module
groove
grooves
optical axis
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PCT/CN2019/113475
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English (en)
French (fr)
Inventor
韦传冬
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AAC Communication Technologies Changzhou Co Ltd
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AAC Communication Technologies Changzhou Co Ltd
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Publication of WO2020134485A1 publication Critical patent/WO2020134485A1/zh
Anticipated expiration legal-status Critical
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/021Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/022Mountings, adjusting means, or light-tight connections, for optical elements for lenses lens and mount having complementary engagement means, e.g. screw/thread
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/026Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs

Definitions

  • the utility model relates to the field of optical imaging technology, in particular to a lens module and an electronic device adopting the lens module.
  • the fixed components (such as motors) of some lens modules and electronic equipment are mostly fixed and installed by means of screw connection.
  • the outer wall of the lens barrel is provided with threads, and the fixed components are provided with threaded holes ,
  • the lens module is screwed into the fixed part.
  • the lens modules are connected by screws, the lens modules are prone to loosening when used for a long time, and the assembly between the lens modules and the fixed components is unstable and reliable.
  • One of the objectives of the present invention is to provide a lens barrel, which can effectively shorten the length of the lens.
  • a lens module includes a lens barrel and a lens group having an optical axis housed in the lens barrel, the lens barrel includes a first barrel body and a second barrel extending in order from the image side toward the object side A cylinder, an outer diameter of the first cylinder is larger than an outer diameter of the second cylinder, the first cylinder includes an upper surface close to the object side and an edge away from the optical axis from the upper surface toward the image side An extended outer wall, the outer wall is provided with threads, and the outer wall is recessed toward the optical axis to form at least one groove, the groove extends to the upper surface and blocks the threads
  • the upper surface is recessed toward the image side to form a holding groove.
  • the holding groove communicates with the groove.
  • the holding groove is provided with at least two, the holding groove along the first tube
  • the body is evenly spaced at equal intervals.
  • At least two grooves are provided, at least two grooves are circumferentially symmetrically distributed with respect to the optical axis, and the grooves correspond to the holding grooves in one-to-one correspondence Connected; or,
  • the groove is provided with one, and the groove is in communication with any one of the holding grooves.
  • the four holding grooves are provided, and the four holding grooves are evenly spaced along the circumferential direction of the first cylinder.
  • the second objective of the present invention also provides an electronic device, including the lens module as described above and a fixing component for accommodating the lens module, the fixing component and the first cylinder Screw connection, the groove is filled with adhesive glue.
  • the embodiments of the present invention have at least one groove formed by recessing the outer wall of the first cylinder toward the optical axis, so that when the lens module is mounted on a fixed component on an electronic device
  • the adhesive glue can be filled in the groove to bond the lens module and the fixed component, so as to improve the reliability of the lens module installation and improve the product quality.
  • FIG. 1 is a schematic isometric view of a lens provided by an embodiment of the present invention.
  • FIG. 2 is a schematic top view of a lens provided by an embodiment of the utility model
  • FIG. 3 is a schematic cross-sectional view taken along the line I-I in FIG. 2.
  • an embodiment of the present invention provides a lens module 100 including a lens barrel 10 and a lens group 20 having an optical axis L housed inside the lens barrel 10, and the lens group 20 includes The first lens 21, the second lens 22, the third lens 23, and the fourth lens 24 are stacked in this order from the object side to the image side.
  • the lens module 100 also It includes a first light-shielding sheet 31 disposed between the first lens 21 and the second lens 22, a second light-shielding sheet 32 disposed between the second lens 22 and the third lens 23, and sequentially stacked from the object side to the image side The third shading sheet 33, the shading plate 34, and the fourth shading sheet 35 between the third lens 23 and the fourth lens 24.
  • the shading plate 34 is used to absorb the stray light generated between the third lens 23 and the fourth lens 24 and improve the imaging quality of the lens module 100. On the other hand, it is used to adjust the third lens 23 and the fourth lens 24. the distance. Understandably, the third shading sheet 33, the shading sheet 34, and the fourth shading sheet 35 are not limited to be disposed between the third lens 23 and the fourth lens 24, and the third shading sheet 33, the shading sheet 34, and the fourth shading sheet 35 can also be arranged between any two adjacent lenses, depending on the actual needs.
  • the lens module 100 further includes a pressure ring 36 disposed on the image side of the fourth lens 24.
  • the lens group 20 is not limited to being configured to include the above first lens 21 and second lens 22
  • the lens group 20 is configured to include only the above first lens 21, or include the above first lens 21 and second lens 22, or include the above first lens 21, second lens 22, and third lens 23, or even It is also possible to include more than four lenses, depending on the actual design needs.
  • the lens barrel 10 includes a first barrel 11 and a second barrel 12 that are sequentially extended from the image side toward the object side, and the outer diameter of the first barrel 11 is greater than the second
  • the first cylinder 11 includes an upper surface 111 near the object side and an outer wall 112 extending from the edge of the upper surface 111 away from the optical axis toward the image side, the outer wall 112 is provided with a thread 113, and the outer wall 112 faces the light
  • the shaft L is recessed and formed with at least one groove 114 that extends to the upper surface 111 and blocks the thread 113.
  • At least one groove 114 is formed by recessing the outer wall of the first barrel 11 toward the optical axis L, so that when the lens module 100 is mounted on a fixed component on an electronic device, the groove 114 The adhesive glue is filled to bond the lens module 100 and the fixed component, thereby improving the reliability of the lens module 100 installation and improving the product quality.
  • the upper surface 111 is recessed toward the image side to form a holding groove 115.
  • the holding groove 115 is used for mounting the claw of the instrument to be locked in the holding groove 115 to screw the lens module 100 into the fixed part of the electronic device.
  • the holding groove 115 communicates with the groove 114.
  • the glue injection needle can extend into the groove 114 through the holding groove 115, and the groove 114 is filled with adhesive glue.
  • the holding groove 115 may also be configured not to be connected to the groove 114 Generally, in this arrangement, the groove 114 may be filled with adhesive in advance, and then the claws of the mounting device are set in the holding grooves 115 to screw the lens module 100 into the fixed part of the electronic device .
  • At least two holding grooves 115 are provided, and the holding grooves 115 are evenly distributed at equal intervals along the circumferential direction of the first cylinder n.
  • This design method is convenient for the claw of the installation instrument to be set in the holding groove i i5 to screw the lens module 100 into the fixed part of the electronic device.
  • At least two grooves 114 are provided, at least two grooves 114 are symmetrically distributed in the circumferential direction with respect to the optical axis L, and the groove 114 and the holding groove 115 are one Corresponding to connectivity.
  • the groove 114 can be used as an auxiliary mounting structure, that is, the claw of the mounting instrument is locked in the groove 114 to screw the lens module 100 into the fixed part of the electronic device.
  • one groove 114 is provided, and the groove 114 communicates with any one of the holding grooves 115.
  • four holding grooves 115 are provided, and the four holding grooves 115 are evenly distributed at regular intervals along the circumferential direction of the first cylinder 11.
  • the embodiment of the present invention also provides an electronic device, the electronic device includes the lens module 100 as described above and a fixing component for accommodating the lens module 100, the fixing component is screwed to the first barrel 11 , The groove 114 is filled with adhesive glue.
  • the electronic device is a mobile phone or a camera.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)

Abstract

一种镜头模组(100)以及电子设备,其中,镜头模组(100)包括镜筒(10)和收容在镜筒(10)内的具有光轴的镜片组(20),镜筒(10)包括自像侧朝物侧依次延伸设置的第一筒体(11)和第二筒体(12),第一筒体(11)的外径大于第二筒体(12)的外径,第一筒体(11)包括靠近物侧的上表面(111)以及自上表面(111)远离光轴的边缘朝像侧延伸的外壁(112),外壁(112)设有螺纹(113),外壁(112)朝向光轴凹陷形成有至少一个凹槽(114),凹槽(114)延伸至上表面(111)并隔断螺纹(113)。镜筒(10),通过在第一筒体(11)的外壁朝向光轴凹陷形成有至少一个凹槽(114),这样,当镜头模组(100)安装于电子设备上的固定部件时,可以在凹槽(114)中填充粘接胶以将镜头模组(100)和固定部件粘接住,提高镜头模组(100)安装的可靠性,提高产品质量。

Description

镜头模组以及电子设备 技术领域
[0001] 本实用新型涉及光学成像技术领域, 尤其涉及一种镜头模组以及一种采用该镜 头模组的电子设备。
背景技术
[0002] 5见有的镜头模组与电子设备的固定部件 (例如马达) 多是采用螺纹连接的方式 进行固定安装, 具体是在镜筒外侧壁环设有螺纹, 固定部件中开设有螺纹孔, 镜头模组旋进固定部件中。 然而, 通过螺纹连接的镜头模组, 长时间使用时, 镜头模组容易产生松动, 镜头模组与固定部件之间的组装不稳定, 可靠性地。
[0003] 因此, 有必要提供一种镜头模组来解决现有的镜头模组安装不稳定、 可靠性低 的问题。
发明概述
技术问题
[0004] 本实用新型的目的之一在于提供一种镜筒, 其可以有效缩短镜头的长度。
问题的解决方案
技术解决方案
[0005] 本实用新型的目的之一采用如下技术方案实现:
[0006] 一种镜头模组, 包括镜筒和收容在所述镜筒内的具有光轴的镜片组, 所述镜筒 包括自像侧朝物侧依次延伸设置的第一筒体和第二筒体, 所述第一筒体的外径 大于所述第二筒体的外径, 所述第一筒体包括靠近物侧的上表面以及自所述上 表面远离光轴的边缘朝像侧延伸的外壁, 所述外壁设有螺纹, 所述外壁朝向所 述光轴凹陷形成有至少一个凹槽, 所述凹槽延伸至所述上表面并隔断所述螺纹
[0007] 作为一种改进方式, 所述上表面朝像侧凹陷形成有卡持槽。
[0008] 作为一种改进方式, 所述卡持槽与所述凹槽连通。
[0009] 作为一种改进方式, 所述卡持槽设有包括至少两个, 所述卡持槽沿所述第一筒 体周向均匀等间隔分布。
[0010] 作为一种改进方式, 所述凹槽设有至少两个, 至少两个凹槽相对于所述光轴沿 周向对称分布, 且所述凹槽与所述卡持槽一一对应连通; 或者,
[0011] 所述凹槽设有一个, 所述凹槽与任意一个所述卡持槽连通。
[0012] 作为一种改进方式, 所述卡持槽设有两个, 两个所述卡持槽沿所述第一筒体周 向均匀等间隔分布; 或者,
[0013] 所述卡持槽设有四个, 四个所述卡持槽沿所述第一筒体周向均匀等间隔分布。
[0014] 本实用新型的目的之二还提供了一种电子设备, 包括如上所述的镜头模组以及 用于收容所述镜头模组的固定部件, 所述固定部件与所述第一筒体螺纹连接, 所述凹槽内填充粘接胶。
发明的有益效果
有益效果
[0015] 本实用新型实施方式相对于现有技术而言, 通过在第一筒体的外壁朝向光轴凹 陷形成有至少一个凹槽, 这样, 当镜头模组安装于电子设备上的固定部件时, 可以在凹槽中填充粘接胶以将镜头模组和固定部件粘接住, 提高镜头模组安装 的可靠性, 提高产品质量。
对附图的简要说明
附图说明
[0016] 图 1为本实用新型实施例提供的镜头的轴测示意图;
[0017] 图 2为本实用新型实施例提供的镜头的俯视示意图;
[0018] 图 3为图 2中 I-I截面示意图。
发明实施例
具体实施方式
[0019] 下面结合附图和实施方式对本实用新型作进一步说明。
[0020] 请参阅图 1-3, 本实用新型的实施例提供一种镜头模组 100, 包括镜筒 10和收容 于镜筒 10内部的具有光轴 L的镜片组 20, 镜片组 20包括从物侧到像侧依次层叠设 置的第一镜片 21、 第二镜片 22、 第三镜片 23以及第四镜片 24。 该镜头模组 100还 包括设置于第一镜片 21与第二镜片 22之间的第一遮光片 31、 设置于第二镜片 22 与第三镜片 23之间的第二遮光片 32以及从物侧往像侧依次层叠设置于第三镜片 2 3与第四镜片 24之间的第三遮光片 33、 遮光板 34以及第四遮光片 35。 遮光板 34— 方面用于吸收第三镜片 23与第四镜片 24之间产生的杂散光, 提高镜头模组 100的 成像质量, 另一方面用于调整第三镜片 23与第四镜片 24之间的距离。 可以理解 地, 第三遮光片 33、 遮光板 34以及第四遮光片 35不局限于设置在第三镜片 23与 第四镜片 24之间, 第三遮光片 33、 遮光板 34以及第四遮光片 35设置于其他任意 相邻的两个镜片之间也是可以, 具体根据实际需要而定。 该镜头模组 100还包括 设置于第四镜片 24像侧的压环 36。
[0021] 需要说明的是, 镜片组 20不局限于设置为包括以上的第一镜片 21、 第二镜片 22
、 第三镜片 23和第四镜片 24。 例如, 镜片组 20设置为只包括以上的第一镜片 21 , 或者包括以上的第一镜片 21和第二镜片 22, 或者包括以上的第一镜片 21、 第 二镜片 22以及第三镜片 23 , 甚至包括四个以上的镜片也是可以的, 具体根据实 际设计需要而定。
[0022] 作为本实施例的一种改进方式, 镜筒 10包括自像侧朝物侧依次延伸设置的第一 筒体 11和第二筒体 12, 第一筒体 11的外径大于第二筒体 12的外径, 第一筒体 11 包括靠近物侧的上表面 111以及自上表面 111远离光轴的边缘朝像侧延伸的外壁 1 12, 外壁 112设有螺纹 113, 外壁 112朝向光轴 L凹陷形成有至少一个凹槽 114, 凹 槽 114延伸至上表面 111并隔断螺纹 113。 以该设计方式, 通过在第一筒体 11的外 壁朝向光轴 L凹陷形成有至少一个凹槽 114, 这样, 当镜头模组 100安装于电子设 备上的固定部件时, 可以在凹槽 114中填充粘接胶以将镜头模组 100和固定部件 粘接住, 提高镜头模组 100安装的可靠性, 提高产品质量。
[0023] 作为本实施例的一种改进方式, 上表面 111朝像侧凹陷形成有卡持槽 115。 该卡 持槽 115用于安装器械的卡爪卡设在卡持槽 115中以将镜头模组 100旋进电子设备 的固定部件中。
[0024] 作为本实施例的一种改进方式, 卡持槽 115与凹槽 114连通。 以该设计方式, 方 便镜头模组 100安装进固定部件后, 注胶针可以通过卡持槽 115伸进凹槽 114中, 在凹槽 114中填充粘接胶。 可以理解地, 卡持槽 115也可以设置为不和凹槽 114连 通, 在这种设置方式中, 可以事先在凹槽 114中注上粘接胶, 然后安装器械的卡 爪卡设在卡持槽 115中以将镜头模组 100旋进电子设备的固定部件中。
[0025] 作为本实施例的一种改进方式, 卡持槽 115设有至少两个, 卡持槽 115沿第一筒 体 n周向均匀等间隔分布。 该设计方式方便安装器械的卡爪卡设在卡持槽 i i5中 以将镜头模组 100旋进电子设备的固定部件中。
[0026] 作为本实施例的一种改进方式, 凹槽 114设有至少两个, 至少两个凹槽 114相对 于光轴 L沿周向对称分布, 且凹槽 114与卡持槽 115—一对应连通。 以该设计方式 , 凹槽 114可以充当辅助安装结构使用, 也即安装器械的卡爪卡设在凹槽 114中 以将镜头模组 100旋进电子设备的固定部件中。
[0027] 作为本实施例的一种改进方式, 凹槽 114设有一个, 凹槽 114与任意一个卡持槽 115连通。
[0028] 作为本实施例的一种改进方式, 卡持槽 114设有两个, 两个卡持槽 114沿第一筒 体 11周向均匀等间隔分布。
[0029] 作为本实施例的一种改进方式, 卡持槽 115设有四个, 四个卡持槽 115沿第一筒 体 11周向均匀等间隔分布。
[0030] 本实用新型的实施例还提供一种电子设备, 该电子设备包括如上所述的镜头模 组 100以及用于收容镜头模组 100的固定部件, 固定部件与第一筒体 11螺纹连接 , 凹槽 114内填充粘接胶。 该电子设备为手机或者相机。
[0031] 以上所述的仅是本实用新型的实施方式, 在此应当指出, 对于本领域的普通技 术人员来说, 在不脱离本实用新型创造构思的前提下, 还可以做出改进, 但这 些均属于本实用新型的保护范围。

Claims

权利要求书
[权利要求 1] 一种镜头模组, 包括镜筒和收容在所述镜筒内的具有光轴的镜片组, 其特征在于, 所述镜筒包括自像侧朝物侧依次延伸设置的第一筒体和 第二筒体, 所述第一筒体的外径大于所述第二筒体的外径, 所述第一 筒体包括靠近物侧的上表面以及自所述上表面远离所述光轴的边缘朝 像侧延伸的外壁, 所述外壁设有螺纹, 所述外壁朝向所述光轴凹陷形 成有至少一个凹槽, 所述凹槽延伸至所述上表面并隔断所述螺纹。
[权利要求 2] 根据权利要求 1所述的镜头模组, 其特征在于, 所述上表面朝像侧凹 陷形成有卡持槽。
[权利要求 3] 根据权利要求 2所述的镜头模组, 其特征在于, 所述卡持槽与所述凹 槽连通。
[权利要求 4] 根据权利要求 2所述的镜头模组, 其特征在于, 所述卡持槽设有至少 两个, 所述卡持槽沿所述第一筒体周向均匀等间隔分布。
[权利要求 5] 根据权利要求 4所述的镜头模组, 其特征在于, 所述凹槽设有至少两 个, 至少两个凹槽相对于所述光轴沿周向对称分布, 且所述凹槽与所 述卡持槽 对应连通; 或者,
所述凹槽设有一个, 所述凹槽与任意一个所述卡持槽连通。
[权利要求 6] 根据权利要求 2所述的镜头模组, 其特征在于, 所述卡持槽设有两个 , 两个所述卡持槽沿所述第一筒体周向均匀等间隔分布; 或者, 所述卡持槽设有四个, 四个所述卡持槽沿所述第一筒体周向均匀等间 隔分布。
[权利要求 7] 一种电子设备, 其特征在于, 包括如权利要求 1-6任一项所述的镜头 模组以及用于收容所述镜头模组的固定部件, 所述固定部件与所述第 一筒体螺纹连接, 所述凹槽内填充粘接胶。
PCT/CN2019/113475 2018-12-29 2019-10-26 镜头模组以及电子设备 Ceased WO2020134485A1 (zh)

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CN201822273279.7 2018-12-29

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