WO2019114301A1 - 双摄模组及电子设备 - Google Patents

双摄模组及电子设备 Download PDF

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Publication number
WO2019114301A1
WO2019114301A1 PCT/CN2018/100492 CN2018100492W WO2019114301A1 WO 2019114301 A1 WO2019114301 A1 WO 2019114301A1 CN 2018100492 W CN2018100492 W CN 2018100492W WO 2019114301 A1 WO2019114301 A1 WO 2019114301A1
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WIPO (PCT)
Prior art keywords
camera module
motor
hole
lens
circuit board
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PCT/CN2018/100492
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English (en)
French (fr)
Inventor
郑亚东
许超
谢明
龙世才
Original Assignee
格力电器（武汉）有限公司
珠海格力电器股份有限公司
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Publication of WO2019114301A1 publication Critical patent/WO2019114301A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof

Definitions

  • the present application relates to the field of imaging equipment, and in particular, to a dual camera module and an electronic device.
  • the existing technical defects of the dual-camera module are: the size of the dual-camera module is large, and the internal space of the mobile phone is occupied; the rear cover of the mobile phone needs to open the through-hole corresponding to the two cameras, and the layout is unreasonable.
  • the dual-camera module is usually convex on the surface of the rear case, which causes the protective lens on the rear case to be easily worn and scratched, which ultimately affects the shooting quality of the mobile phone.
  • the purpose of the embodiment of the present application is to provide a dual camera module and an electronic device, so as to reduce the volume of the dual camera module, improve the opening layout of the electronic device casing, and further reduce the wear of the protective lens on the electronic device casing. .
  • the embodiment of the present application provides a dual camera module, including a lens, a circuit board, and a photosensitive member and a motor electrically connected to the circuit board, wherein:
  • the photosensitive member is located on a front side of the circuit board, and includes two photosensor chips side by side;
  • the motor is located at a front side of the photosensitive member and has a lens receiving through hole, the lens receiving through hole leading to a front side surface of the motor and two of the photosensitive chips;
  • the lens gap is fitted in the lens receiving through hole, and is movable by the motor to be moved along the arrangement direction of the two photosensitive chips, thereby sequentially projecting optical signals on the two photosensitive chips.
  • the lens receiving through hole is a circular through hole or a flat hole.
  • the motor includes a first side surface and a second side surface which are parallel to the arrangement direction of the two photosensitive chips and have a convex shape, and are perpendicular to the arrangement direction of the two photosensitive chips and are stepped a third side surface and a fourth side surface of the shape.
  • the lens is further movable back and forth in the optical axis direction by the motor drive.
  • a filter member is disposed between the photosensitive member and the motor, and the filter member includes two filters respectively opposite to the two photosensitive chips.
  • the photosensitive member further comprises a first carrier frame for carrying two of the photosensitive chips
  • the filter member further comprises a second carrier frame for carrying the two of the filters.
  • the circuit board includes a printed circuit board portion, a terminal portion, and a flexible circuit board portion connecting the printed circuit board portion and the terminal portion, the photosensitive member and the printed circuit board portion Electrical connection.
  • the dual camera module includes a single lens, and the motor is provided with a lens receiving through hole for the single lens, and the two photosensitive chips share one light entrance channel, and the driving lens is arranged along the two sensing chips.
  • the direction is moved to sequentially project an optical signal onto the two of the photosensitive chips to achieve dual imaging.
  • the volume of the dual-camera module is reduced, and the opening area of the electronic device casing is also correspondingly reduced, thereby making the layout design of the electronic device more reasonable and the product quality improving.
  • the embodiment of the present application further provides an electronic device, including the dual camera module described in any one of the foregoing technical solutions.
  • the electronic device includes a housing having a protruding hole and a protective lens disposed at the protruding hole;
  • the motor includes a first side surface and a second side surface which are parallel to the arrangement direction of the two photosensitive chips and have a convex shape, and a third surface which is perpendicular to the arrangement direction of the two photosensitive chips and has a step shape
  • the side surface and the fourth side surface, the third side surface and the fourth side surface are limited to the protruding hole.
  • the volume of the dual camera module is reduced, the opening area of the electronic device casing is also reduced correspondingly, the layout design of the electronic device is more reasonable, and the product quality is improved.
  • FIG. 1 is an exploded view of a dual camera module according to an embodiment of the present application.
  • FIG. 2 is a perspective view of a dual camera module according to an embodiment of the present application.
  • FIG. 3 is a side view of an electronic device according to an embodiment of the present application.
  • the embodiment of the present application provides a dual camera module and an electronic device.
  • the following examples will be further described in detail.
  • a dual camera module 100 includes a lens 1 , a circuit board 2 , and a photosensitive member 3 and a motor 4 electrically connected to the circuit board 2 , wherein: the photosensitive member 3 is located on the front side of the circuit board 2, and includes two photosensor chips 30 side by side; the motor 4 is located on the front side of the photosensitive member 3 and has a lens receiving through hole 40, the lens receiving through hole 40 leads to the front side surface of the motor 4, and two The photosensitive chip 30; the lens 1 is fitted in the lens receiving through hole 40, and can be driven by the motor 4 to move along the arrangement direction of the two photosensitive chips 30, thereby sequentially projecting optical signals on the two photosensitive chips 30.
  • the type of the electronic device that can be applied to the dual camera module 100 of the embodiment of the present application is not limited, and may be, for example, a mobile phone, a tablet computer, a notebook, a driving recorder, or the like.
  • the specific shape of the lens receiving through hole 40 is not limited, and may be, for example, a circular through hole or a flat hole, and the longitudinal direction of the flat hole is disposed along the direction in which the two photosensitive chips 30 are arranged.
  • the gap of the lens 1 is mounted in the lens receiving through hole 40, and can be driven by the motor 4 to move along the arrangement direction of the two photosensitive chips 30, so that the captured external image, that is, the optical signal, can be sequentially projected on the two photosensitive chips 30.
  • the two sensor chips 30 convert the optical signals into electrical signals and output them to the processor of the electronic device through the circuit board 2.
  • the processor of the electronic device processes a series of algorithms to finally obtain a high quality photo.
  • the lens 1 needs to face the subject to capture an image of the subject. Based on this, it is defined that in the dual camera module, the side of the component close to the subject is the front side, and correspondingly, the side away from the subject is the back side.
  • the dual camera module 100 includes a single lens 1 , and the motor 4 is provided with a lens receiving through hole 40 for the single lens 1 , and the two photosensitive chips 30 share a light entrance channel, and the driving lens 1 is driven along two The arrangement direction of the photosensitive chips 30 is shifted, thereby sequentially projecting optical signals on the two photosensitive chips 30, thereby achieving double-shot imaging.
  • the volume of the dual-camera module 100 is reduced, and the opening area of the outer casing 6 of the electronic device corresponding to the dual-camera module 100 is correspondingly reduced, thereby making the layout design of the electronic device more reasonable and the product quality. improve.
  • the lens 1 is also movable by the motor 4 to move back and forth in the optical axis direction. That is, the motor 4 can drive the lens 1 to move the focus along the arrangement direction of the two photosensitive chips 30, and can move the focus back and forth along the optical axis direction.
  • the specific structural form of the motor is not limited, and a voice coil motor VCM (Voice Coil Motor) may be used, a permanent magnetic field is disposed in the casing of the motor, and the first coil and the first coil are disposed along the arrangement direction of the two photosensitive chips.
  • VCM Voice Coil Motor
  • connection by changing the current of the first coil, using the generated magnetic force to control the stretching position of the first spring piece, can drive the lens to move left and right along the arrangement direction of the two photosensitive chips to achieve alignment with the photosensitive chip, by changing The magnitude of the current of the second coil, using the generated magnetic field force to control the stretching position of the second spring piece, can drive the lens to move back and forth along the optical axis direction to achieve focusing.
  • the dual camera module 100 further includes a filter member 5 between the photosensitive member 3 and the motor 4, and the filter member 5 includes two filters 50 opposite to the two photosensitive chips 30, respectively.
  • the filter 50 can filter out the infrared light in the light, thereby improving the image quality.
  • the photosensitive member 3 in this embodiment further includes a first carrier frame 31 for carrying two photosensitive chips 30, and the filter member 5 further includes a second carrier frame 51 for carrying the two filters 50.
  • the structure of the circuit board 2 includes a printed circuit board portion 21, a terminal portion 22, and a flexible circuit board portion 23 connecting the printed circuit board portion 21 and the terminal portion 22, wherein the photosensitive member 3 is electrically connected to the printed circuit board portion 21, and the terminal portion 22 is for connecting to the main board of the electronic device.
  • the motor 4 includes a first side surface 41 and a second side surface 42 which are parallel to the arrangement direction of the two photosensitive chips 30 and have a convex shape, and are perpendicular to the two photosensitive chips 30.
  • the third side surface 43 and the fourth side surface 44 are arranged in a direction and are stepped.
  • the structure of the motor 4 can adopt the above design, and the structure is relatively compact.
  • the opening can only correspond to the protruding of the motor 4 .
  • not only the opening area is small, but also the height of the motor 4 protruding from the outer casing 6 of the electronic device, that is, the height of the double-camera module 100 protruding from the outer casing 6 of the electronic device is also greatly reduced compared with the prior art. .
  • the reduction in the height of the dual-capture module 100 from the outer casing 6 of the electronic device facilitates reducing the wear of the protective lens on the outer casing 6.
  • the embodiment of the present application further provides an electronic device, including the dual camera module 100 of any of the foregoing technical solutions. Since the volume of the dual camera module 100 is reduced, the opening area of the outer casing 6 of the electronic device is also reduced correspondingly, the layout design of the electronic device is more reasonable, and the product quality is improved.
  • the electronic device includes a casing 6 having a protruding hole 60 and a protective lens 61 disposed at the protruding hole 60.
  • the motor 4 includes a direction parallel to the arrangement direction of the two photosensitive chips and is convex. a first side surface 41 and a second side surface 42 of a word shape, and a third side surface 43 and a fourth side surface 44 which are perpendicular to the arrangement direction of the two photosensitive chips and which are stepped, the third side surface 43 and the fourth side The side surface 44 is limited to the projection hole 60.
  • the opening of the outer casing 6 of the electronic device is only corresponding to the protruding portion of the motor 4, the opening area is small, and the height of the motor 4 protruding from the outer casing 6 is also small, and the appearance of the electronic device is beautiful.
  • the protective lens 61 is also less prone to wear.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Studio Devices (AREA)

Abstract

本申请公开了一种双摄模组及电子设备，以减小双摄模组的体积，改善电子设备外壳的开孔布局，减少电子设备外壳上的保护镜片的磨损。双摄模组包括镜头、电路板，以及与电路板电性连接的感光部件和马达，其中：感光部件位于电路板的前侧，包括并排的两个感光芯片；马达位于感光部件的前侧且具有镜头容纳通孔，镜头容纳通孔通向马达的前侧表面以及两个感光芯片；镜头间隙装配于镜头容纳通孔内，且能够被马达驱动沿两个感光芯片的排列方向移动，从而依次将光信号投射在两个感光芯片上。

Description

双摄模组及电子设备
相关申请
本申请要求2017年12月11日申请的，申请号为201711310282.5，名称为“双摄模组及电子设备”的中国专利申请的优先权，在此将其全文引入作为参考。
技术领域
本申请涉及摄像设备技术领域，特别是涉及一种双摄模组及电子设备。
背景技术
随着科技的进步，越来越多的电子产品具有多功能、小型化、高精度的设计。在我们生活中，摄像功能对于手机、平板电脑、笔记本等电子设备来说已经是不可或缺的功能。为了得到良好的图像品质及图像效果，双摄模组应运而生。
以手机为例，现有双摄模组存在的技术缺陷在于：双摄模组的体积较大，占用手机的内部空间较多；手机后壳需要对应两个摄像头开设通孔，布局欠合理，缺乏美感；此外，为减小对手机厚度的影响，双摄模组通常凸处于后壳表面，从而导致后壳上的保护镜片易磨花、刮花，最终影响到手机的拍摄质量。
发明内容
本申请实施例的目的是提供一种双摄模组及电子设备，以减小双摄模组的体积，改善电子设备外壳的开孔布局，进一步还可减少电子设备外壳上的保护镜片的磨损。
本申请实施例提供了一种双摄模组，包括镜头、电路板，以及与所述电路板电性连接的感光部件和马达，其中：
所述感光部件位于所述电路板的前侧，包括并排的两个感光芯片；
所述马达位于所述感光部件的前侧且具有镜头容纳通孔，所述镜头容纳通孔通向所述马达的前侧表面以及两个所述感光芯片；
所述镜头间隙装配于所述镜头容纳通孔内，且能够被所述马达驱动沿两个所述感光芯片的排列方向移动，从而依次将光信号投射在两个所述感光芯片上。
可选的，所述镜头容纳通孔为圆形通孔或扁孔。
较佳的，所述马达包括平行于两个所述感光芯片的排列方向且呈凸字形状的第一侧表 面和第二侧表面，以及垂直于两个所述感光芯片的排列方向且呈台阶形状的第三侧表面和第四侧表面。
较佳的，所述镜头还能够被所述马达驱动沿光轴方向前后移动。
较佳的，还包括位于所述感光部件与所述马达之间的滤光部件，所述滤光部件包括与两个所述感光芯片分别相对的两个滤光片。
较佳的，所述感光部件还包括用于承载两个所述感光芯片的第一承载框架，所述滤光部件还包括用于承载两个所述滤光片的第二承载框架。
可选的，所述电路板包括印制电路板部、端子部，以及连接所述印制电路板部和所述端子部的柔性电路板部，所述感光部件与所述印制电路板部电性连接。
在本申请实施例技术方案中，双摄模组包含单一镜头，马达针对该单一镜头设置镜头容纳通孔，两个感光芯片共用一个进光通道，通过驱动镜头沿两个所述感光芯片的排列方向移动，从而依次将光信号投射在两个所述感光芯片上，实现双摄成像。相比现有技术，双摄模组的体积减小，电子设备外壳的开孔面积也得以相应减小，从而使得电子设备的布局设计更加合理，产品品质提高。
本申请实施例还提供一种电子设备，包括前述任一技术方案所述的双摄模组。
较佳的，所述电子设备包括外壳，所述外壳具有凸出孔以及设置于所述凸出孔处的保护镜片；
所述马达包括平行于两个所述感光芯片的排列方向且呈凸字形状的第一侧表面和第二侧表面，以及垂直于两个所述感光芯片的排列方向且呈台阶形状的第三侧表面和第四侧表面，所述第三侧表面和所述第四侧表面限位于所述凸出孔。
由于双摄模组的体积减小，因此电子设备外壳的开孔面积也得以相应减小，电子设备的布局设计更加合理，产品品质提高。
附图说明
图1为本申请一实施例双摄模组的爆炸图；
图2为本申请一实施例双摄模组的立体图；
图3为本申请一实施例电子设备的侧视图。
附图标记：
1-镜头；
2-电路板；
3-感光部件；
4-马达；
30-感光芯片；
40-镜头容纳通孔；
41-第一侧表面；
42-第二侧表面；
43-第三侧表面；
44-第四侧表面；
5-滤光部件；
50-滤光片；
31-第一承载框架；
32-第二承载框架；
21-印制电路板部；
22-端子部；
23-柔性电路板部；
6-外壳；
60-凸出孔；
61-保护镜片；
100-双摄像模组。
具体实施方式
为减小双摄模组的体积，改善电子设备外壳的开孔布局，减少电子设备外壳上的保护镜片的磨损，本申请实施例提供了一种双摄模组及电子设备。为使本申请的目的、技术方案和优点更加清楚，以下举实施例对本申请作进一步详细说明。
如图1至图3所示，本申请一实施例提供的双摄模组100，包括镜头1、电路板2，以及与电路板2电性连接的感光部件3和马达4，其中：感光部件3位于电路板2的前侧，包括并排的两个感光芯片30；马达4位于感光部件3的前侧且具有镜头容纳通孔40，镜头容纳通孔40通向马达4的前侧表面以及两个感光芯片30；镜头1间隙装配于镜头容纳通孔40内，且能够被马达4驱动沿两个感光芯片30的排列方向移动，从而依次将光信号投射在两个感光芯片30上。
本申请实施例的双摄模组100可应用的电子设备产品类型不限，例如可以为手机、平板电脑、笔记本、行车记录仪等。
其中，镜头容纳通孔40的具体形状不限，例如可以为圆形通孔或扁孔，扁孔的长度方向沿两个感光芯片30的排列方向设置。镜头1间隙装配于镜头容纳通孔40内，可以被马达4驱动沿两个感光芯片30的排列方向移动，从而可以将撷取的外部影像，即光信号，依次投射在两个感光芯片30上。两个感光芯片30将光信号转换成电信号，并通过电路板2输出给电子设备的处理器，电子设备的处理器通过一系列的算法处理，最终得到一幅高质量的照片。
双摄模组100在进行拍摄时，镜头1需要朝向被拍摄物，以撷取被拍摄物的影像。基于此，定义：双摄模组中，部件靠近被拍摄物的一侧为前侧，相应的，远离被拍摄物的一侧为背侧。
在本申请实施例技术方案中，双摄模组100包含单一镜头1，马达4针对该单一镜头1设置镜头容纳通孔40，两个感光芯片30共用一个进光通道，通过驱动镜头1沿两个感光芯片30的排列方向移动，从而依次将光信号投射在两个感光芯片30上，实现双摄成像。相比现有技术，双摄模组100的体积减小，电子设备的外壳6对应双摄模组100处的开孔面积也得以相应减小，从而使得电子设备的布局设计更加合理，产品品质提高。
在本申请的较佳实施例中，镜头1还能够被马达4驱动沿光轴方向前后移动。即：马达4可以驱动镜头1沿两个感光芯片30的排列方向移动调焦，又可以沿光轴方向前后移动调焦。
其中，马达的具体结构形式不限，可以采用音圈马达VCM(Voice Coil Motor)，在马达的壳体内设置一永磁场，在沿两个感光芯片的排列方向设置第一线圈以及与第一线圈连接的第一弹簧片，在沿摄像头光轴方向设置第二线圈以及与第二线圈连接的第二弹簧片，镜头位于第一线圈和第二线圈内部且与第一弹簧片和第二弹簧片连接，通过改变第一线圈的电流大小，利用产生的磁场力来控制第一弹簧片的拉伸位置，可以带动镜头沿两个感光芯片的排列方向左右移动实现与感光芯片的对位，通过改变第二线圈的电流大小，利用产生的磁场力来控制第二弹簧片的拉伸位置，可以带动镜头沿光轴方向前后移动实现调焦。
如图1所示，双摄模组100还包括位于感光部件3与马达4之间的滤光部件5，滤光部件5包括与两个感光芯片30分别相对的两个滤光片50。滤光片50可以过滤掉光线中的红外光，从而可以提高成像质量。该实施例中感光部件3还包括用于承载两个感光芯片30的第一承载框架31，滤光部件5还包括用于承载两个滤光片50的第二承载框架51。
在本申请实施例中，可选的，电路板2的结构包括印制电路板部21、端子部22，以及连接印制电路板部21和端子部22的柔性电路板部23，其中感光部件3与印制电路板部21电性连接，端子部22用于与电子设备的主板连接。
在本申请的较佳实施例中，马达4包括平行于两个感光芯片30的排列方向且呈凸字形状的第一侧表面41和第二侧表面42，以及垂直于两个感光芯片30的排列方向且呈台阶形状的第三侧表面43和第四侧表面44。
由于该双摄模组100仅包含一个镜头1，因此，马达4的结构可以采用上述设计，结构较为紧凑，电子设备的外壳6在进行开孔设计时，开孔可以仅对应马达4的凸出部分设置，不但开孔面积较小，而且马达4凸出于电子设备的外壳6的高度，即双摄模组100凸出于电子设备的外壳6的高度，也相比现有技术大大减小。双摄模组100凸出于电子设备的外壳6的高度减小，有利于减少外壳6上的保护镜片的磨损。
如图3所示，本申请实施例还提供一种电子设备，包括前述任一技术方案的双摄模组100。由于双摄模组100的体积减小，因此电子设备的外壳6的开孔面积也得以相应减小，电子设备的布局设计更加合理，产品品质提高。
如图2和图3所示，电子设备包括外壳6，外壳6具有凸出孔60以及设置于凸出孔60处的保护镜片61；马达4包括平行于两个感光芯片的排列方向且呈凸字形状的第一侧表面41和第二侧表面42，以及垂直于两个感光芯片的排列方向且呈台阶形状的第三侧表面43和第四侧表面44，第三侧表面43和第四侧表面44限位于凸出孔60。
从图中可以看出，电子设备的外壳6的开孔仅对应马达4的凸出部分设置，开孔面积较小，并且马达4凸出于外壳6的高度也较小，电子设备外观美观，保护镜片61也不易磨损。
显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (9)

  1. 一种双摄模组，其特征在于，包括镜头、电路板，以及与所述电路板电性连接的感光部件和马达，其中：
    所述感光部件位于所述电路板的前侧，包括并排的两个感光芯片；
    所述马达位于所述感光部件的前侧且具有镜头容纳通孔，所述镜头容纳通孔通向所述马达的前侧表面以及两个所述感光芯片；
    所述镜头间隙装配于所述镜头容纳通孔内，且能够被所述马达驱动沿两个所述感光芯片的排列方向移动，从而依次将光信号投射在两个所述感光芯片上。
  2. 如权利要求1所述的双摄模组，其特征在于，所述镜头容纳通孔为圆形通孔或扁孔。
  3. 如权利要求1所述的双摄模组，其特征在于，所述马达包括平行于两个所述感光芯片的排列方向且呈凸字形状的第一侧表面和第二侧表面，以及垂直于两个所述感光芯片的排列方向且呈台阶形状的第三侧表面和第四侧表面。
  4. 如权利要求1所述的双摄模组，其特征在于，所述镜头还能够被所述马达驱动沿光轴方向前后移动。
  5. 如权利要求1所述的双摄模组，其特征在于，还包括位于所述感光部件与所述马达之间的滤光部件，所述滤光部件包括与两个所述感光芯片分别相对的两个滤光片。
  6. 如权利要求5所述的双摄模组，其特征在于，所述感光部件还包括用于承载两个所述感光芯片的第一承载框架，所述滤光部件还包括用于承载两个所述滤光片的第二承载框架。
  7. 如权利要求1～6任一项所述的双摄模组，其特征在于，所述电路板包括印制电路板部、端子部，以及连接所述印制电路板部和所述端子部的柔性电路板部，所述感光部件与所述印制电路板部电性连接。
  8. 一种电子设备，其特征在于，包括如权利要求1～7任一项所述的双摄模组。
  9. 如权利要求8所述的电子设备，其特征在于，
    所述电子设备包括外壳，所述外壳具有凸出孔以及设置于所述凸出孔处的保护镜片；
    所述马达包括平行于两个所述感光芯片的排列方向且呈凸字形状的第一侧表面和第二侧表面，以及垂直于两个所述感光芯片的排列方向且呈台阶形状的第三侧表面和第四侧表面，所述第三侧表面和所述第四侧表面限位于所述凸出孔。
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