WO2018218892A1 - Single-focus lens waterproof structure - Google Patents

Single-focus lens waterproof structure Download PDF

Info

Publication number
WO2018218892A1
WO2018218892A1 PCT/CN2017/112737 CN2017112737W WO2018218892A1 WO 2018218892 A1 WO2018218892 A1 WO 2018218892A1 CN 2017112737 W CN2017112737 W CN 2017112737W WO 2018218892 A1 WO2018218892 A1 WO 2018218892A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens
lens barrel
barrel
waterproof
waterproof structure
Prior art date
Application number
PCT/CN2017/112737
Other languages
French (fr)
Chinese (zh)
Inventor
阮桂
Original Assignee
捷西迪（广州）光学科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 捷西迪（广州）光学科技有限公司 filed Critical 捷西迪（广州）光学科技有限公司
Publication of WO2018218892A1 publication Critical patent/WO2018218892A1/en

Links

Classifications

    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/08—Waterproof bodies or housings

Definitions

  • the invention relates to the field of lenses, in particular to a single-focus lens waterproof structure.
  • the waterproof ring of the traditional waterproof lens is generally located between the lens and the lens barrel (as shown in Figure 1).
  • the lens will be subjected to the force of the waterproof ring along the optical axis direction.
  • the force in the direction of the optical axis tends to cause an uncontrollable interval between the lenses, which tends to cause poor lens performance. Therefore, such poor performance due to the assembly position of the waterproof ring is an urgent problem that needs to be solved for a lens with high precision.
  • an object of the present invention is to provide a single-focal lens waterproof structure capable of eliminating the force of the optical axis direction of the lens, so that the interval between the lenses is more easily controlled, thereby ensuring a good lens. performance.
  • a single-focus lens waterproof structure includes a lens barrel for constituting a lens main body, a front lens for mounting at the foremost end of the lens barrel, and a waterproof ring for waterproofing, and the lens barrel is provided with a mounting position for mounting the front lens When the front lens is installed in the mounting position, the waterproof ring is disposed between the outer edge of the front lens and the inner side wall of the lens barrel.
  • the outer edge of the front lens is provided with an outer step, and the waterproof ring is disposed in the outer step.
  • an imaging through hole penetrating through the lens barrel is disposed in the lens barrel, and the lens barrel is provided with a first class and a second class centering on an axis of the imaging through hole, and the first class and the second class are respectively provided The second lens and the third lens for auxiliary imaging.
  • the diameter of the first class is larger than the diameter of the second class.
  • the front lens, the second lens and the third lens are disposed outside the lens barrel, the third lens supports the second lens, and the second lens supports the front lens.
  • a cover for locking the foremost lens in the lens barrel is provided, and a buckle is disposed on the cover, the cover is mounted on the lens barrel, and the buckle is fastened to the front lens.
  • cover and the lens barrel are connected by screwing.
  • the invention has the beneficial effects of: a single-focus lens waterproof structure, the lens barrel is used to form a main body of the single-focus lens, and provides an important reference component for the waterproof structure; the front lens can play the role of capturing the maximum image, so that the single-focus lens It can capture images to the utmost extent; the waterproof ring can effectively protect the inside of the single-focus lens from water seepage, thus ensuring the good waterproof effect of the single-focus lens, avoiding the water seepage of the single-focus lens and affecting its image capturing effect;
  • the ring is disposed between the outer edge of the front lens and the inner side wall of the lens barrel, so the direction of the force received between the front lens and the lens barrel is perpendicular to the optical axis, so that the direction of the optical axis can be avoided.
  • the single-focus lens waterproof structure of the present invention can eliminate the force of the optical axis direction of the lens, so that the interval between the lenses is more easily controlled, thereby ensuring good performance of the lens.
  • Figure 1 is a cross-sectional view of a conventional single-focal lens waterproof structure
  • Figure 2 is a cross-sectional view showing the waterproof structure of the single-focus lens of the present invention.
  • Figure 3 is a schematic view of a portion A of Figure 2.
  • a single-focus lens waterproof structure of the present invention includes a lens barrel 1 for constituting a lens main body, a front lens 2 for mounting at the foremost end of the lens barrel 1, and waterproof for waterproofing.
  • the lens barrel 1 is provided with a mounting position for mounting the front lens 2, and when the front lens 2 is mounted in the mounting position, the waterproof ring 3 is disposed between the outer edge of the front lens 2 and the inner side wall of the lens barrel 1.
  • the lens barrel 1 is used to constitute a main body of the single-focus lens, and provides an important reference component for the waterproof structure;
  • the front lens 2 can function as a maximum image capturing, so that the single focus The lens can capture the image to the maximum extent;
  • the waterproof ring 3 can effectively protect the inside of the single-focus lens from water seepage, thus ensuring the good waterproof effect of the single-focus lens, avoiding the water seepage of the single-focus lens and affecting its image capturing effect.
  • the waterproof ring 3 is disposed between the outer edge of the front lens 2 and the inner side wall of the lens barrel 1, so that the direction of the force received between the lens of the front lens 2 and the lens barrel 1 is perpendicular to the optical axis, so It is avoided that the force in the direction of the optical axis hinders the front lens 2, so that the front lens 2 can be more easily mounted in position, so that the single-focus lens meets the design requirements, thereby achieving the desired performance. Therefore, the single-focus lens waterproof structure of the present invention can eliminate the force of the optical axis direction of the lens, so that the interval between the lenses is more easily controlled, thereby ensuring good performance of the lens.
  • the outer edge of the front lens 2 is provided with an outer step 21, and the waterproof ring 3 is disposed in the outer step 21.
  • the outer step 21 can limit the position of the waterproof ring 3, so that when the foremost lens 2 is mounted in the lens barrel 1, the frictional force received by the waterproof ring 3 does not cause the position of the waterproof ring 3 to be displaced, thereby ensuring A good waterproof effect.
  • the waterproof ring 3 when the waterproof ring 3 is mounted in the outer step 21, a part of the waterproof ring 3 is fitted into the foremost lens 2, so that only a part of the waterproof ring 3 is in contact with the inner side wall of the lens barrel 1, so that only a part of the waterproof ring 3 is subjected to
  • the squeezing action of the inner side wall of the lens barrel 1 can avoid excessive squeezing of the waterproof ring 3 by the front lens 2 and the lens barrel 1, thereby prolonging the service life of the waterproof ring 3.
  • the lens barrel 1 is provided with an imaging through hole penetrating through the lens barrel 1, and the lens barrel 1 is provided with a first class and a second class centering on the axis of the imaging through hole, the first class and the first A second lens 4 and a third lens 5 for assisting imaging are respectively disposed in the second class.
  • the diameter of the first stage is larger than the diameter of the second stage, and when the third lens 5, the second lens 4, and the foremost lens 2 are sequentially mounted in the lens barrel 1, the third lens 5, the second lens 4, and The front lens 2 is sequentially installed in the second stage, the first stage, and the mounting position, so that the single-focus lens can be assembled smoothly in accordance with the assembly requirements, thereby improving assembly efficiency.
  • the front lens 2, the second lens 4, and the third lens 5 are disposed outside the lens barrel 1 from the outside, the third lens 5 supports the second lens 4, and the second lens 4 supports the front lens 2.
  • the front lens 2, the second lens 4, and the third lens 5 are disposed outside the lens barrel 1 , the front lens 2 , the second lens 4 , and the third lens 5 are respectively mounted on the mounting position, and the first Among the class and the second class, at this time, the third lens 5 supports the second lens 4, and the second lens 4 supports the foremost lens 2, thereby ensuring that the air space between the lenses is under control, thereby avoiding the occurrence of a single Poor lens performance.
  • the single-focal lens waterproof structure of the present invention further includes a cover 6 for locking the foremost lens 2 in the lens barrel 1.
  • the cover 6 is provided with a buckle portion 61, and the cover 6 is mounted on the mirror.
  • the buckle portion 61 fastens the front lens 2.
  • the buckle portion 61 extends along the outer spherical surface of the front lens 2 along the edge of the cover 6, so that when the cover 6 is mounted on the lens barrel 1, the buckle portion 61 fastens the outer spherical surface of the front lens 2, thereby enabling the front end
  • the lens 2 is firmly mounted on the lens barrel 1 to avoid the occurrence of poor performance of the single-focus lens due to the falling or offset of the front lens 2.
  • the cover 6 and the lens barrel 1 are connected by screwing, in particular, the manner in which the screw is screwed enables the cover 6 and the lens barrel 1 to be firmly connected together, thereby enabling It is avoided that the cover 6 is loosened and the front lens 2 is dropped or displaced.
  • the buckle portion 61 pushes the front lens 2 to be in close contact with the mounting position in the lens barrel 1.
  • the waterproof ring 3 can be guided by the lens barrel 1.
  • the inner side wall and the outer side edge of the frontmost lens 2 are pressed, so that the gap between the lens barrel 1 and the foremost lens 2 can be blocked, thereby functioning as a waterproof.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lens Barrels (AREA)
  • Structure And Mechanism Of Cameras (AREA)

Abstract

A single-focus lens waterproof structure, comprising: a lens barrel (1) for constituting a lens body, a frontmost lens (2) to be mounted at the frontmost end of the lens barrel (1), and a waterproof gasket (3) for waterproofing. The lens barrel (1) is provided with a mounting position for mounting the frontmost lens (2). When the frontmost lens (2) is mounted at the mounting position, the waterproof gasket (3) is disposed between the outer side edge of the frontmost lens (2) and the inner side wall of the lens barrel (1), thereby eliminating the acting force applied to lenses in the direction of the optical axis so that a spacing between lenses is more susceptible to control.

Description

一种单焦镜头防水结构  Single-focus lens waterproof structure
技术领域Technical field
本发明涉及镜头领域，尤其是一种单焦镜头防水结构。The invention relates to the field of lenses, in particular to a single-focus lens waterproof structure.
背景技术Background technique
传统防水镜头的防水圈一般都是位于镜片与镜筒之间（如图1所示），在这种情况下，镜片会受到防水圈对其的沿着光轴方向的作用力，这个沿着光轴方向的作用力，容易导致镜片之间出现难以控制的间隔，从而容易造成镜头性能不良的问题。因此，这种由于防水圈组装位置而导致的性能不良，对于精度要求高的镜头来说，是一种急需解决的迫切问题。The waterproof ring of the traditional waterproof lens is generally located between the lens and the lens barrel (as shown in Figure 1). In this case, the lens will be subjected to the force of the waterproof ring along the optical axis direction. The force in the direction of the optical axis tends to cause an uncontrollable interval between the lenses, which tends to cause poor lens performance. Therefore, such poor performance due to the assembly position of the waterproof ring is an urgent problem that needs to be solved for a lens with high precision.
发明内容Summary of the invention
为解决上述问题，本发明的目的在于提供一种单焦镜头防水结构，能够消除镜片所受到的光轴方向的作用力，使得镜片之间的间隔更容易受到管控，从而能够保证镜头的良好的性能。In order to solve the above problems, an object of the present invention is to provide a single-focal lens waterproof structure capable of eliminating the force of the optical axis direction of the lens, so that the interval between the lenses is more easily controlled, thereby ensuring a good lens. performance.
本发明解决其问题所采用的技术方案是：The technical solution adopted by the present invention to solve the problem is:
一种单焦镜头防水结构，包括用于构成镜头主体的镜筒、用于安装于镜筒最前端的最前镜片和用于起防水作用的防水圈，镜筒设置有用于安装最前镜片的安装位，最前镜片安装于安装位之中时，防水圈设置于最前镜片的外侧边缘与镜筒的内侧壁之间。A single-focus lens waterproof structure includes a lens barrel for constituting a lens main body, a front lens for mounting at the foremost end of the lens barrel, and a waterproof ring for waterproofing, and the lens barrel is provided with a mounting position for mounting the front lens When the front lens is installed in the mounting position, the waterproof ring is disposed between the outer edge of the front lens and the inner side wall of the lens barrel.
进一步，最前镜片的外侧边缘设置有外侧台阶，防水圈设置于外侧台阶之中。Further, the outer edge of the front lens is provided with an outer step, and the waterproof ring is disposed in the outer step.
进一步，镜筒之中设置有贯通镜筒的成像通孔，镜筒以成像通孔的轴线为中心朝外设置有第一阶级和第二阶级，第一阶级和第二阶级之中分别设置有用于辅助成像的第二镜片和第三镜片。Further, an imaging through hole penetrating through the lens barrel is disposed in the lens barrel, and the lens barrel is provided with a first class and a second class centering on an axis of the imaging through hole, and the first class and the second class are respectively provided The second lens and the third lens for auxiliary imaging.
进一步，第一阶级的直径大于第二阶级的直径。Further, the diameter of the first class is larger than the diameter of the second class.
进一步，最前镜片、第二镜片和第三镜片由外而内设置于镜筒之中，第三镜片支撑第二镜片，第二镜片支撑最前镜片。Further, the front lens, the second lens and the third lens are disposed outside the lens barrel, the third lens supports the second lens, and the second lens supports the front lens.
进一步，还包括用于把最前镜片锁紧于镜筒之中的盖子，盖子之上设置有扣部，盖子安装于镜筒之上，扣部扣紧最前镜片。Further, a cover for locking the foremost lens in the lens barrel is provided, and a buckle is disposed on the cover, the cover is mounted on the lens barrel, and the buckle is fastened to the front lens.
进一步，盖子与镜筒通过螺牙旋合的方式相连接。Further, the cover and the lens barrel are connected by screwing.
本发明的有益效果是：一种单焦镜头防水结构，镜筒用于构成单焦镜头的主体，为防水结构提供重要的基准部件；最前镜片能够起到最大捕捉影像的作用，使得单焦镜头能够最大限度地捕捉到影像；防水圈能够有效保护单焦镜头内部不受渗水的影响，从而保证了单焦镜头的良好防水作用，避免单焦镜头出现渗水而影响其对影像的捕捉效果；防水圈设置于最前镜片的外侧边缘与镜筒的内侧壁之间，因此最前镜片镜片与镜筒之间所受到的作用力的方向为垂直于光轴的方向，所以能够避免出现光轴方向的作用力对最前镜片产生阻碍的情况，使得最前镜片能够更容易地安装到位，从而使单焦镜头符合设计的要求，从而能够达到所需的性能。因此，本发明的单焦镜头防水结构，能够消除镜片所受到的光轴方向的作用力，使得镜片之间的间隔更容易受到管控，从而能够保证镜头的良好的性能。The invention has the beneficial effects of: a single-focus lens waterproof structure, the lens barrel is used to form a main body of the single-focus lens, and provides an important reference component for the waterproof structure; the front lens can play the role of capturing the maximum image, so that the single-focus lens It can capture images to the utmost extent; the waterproof ring can effectively protect the inside of the single-focus lens from water seepage, thus ensuring the good waterproof effect of the single-focus lens, avoiding the water seepage of the single-focus lens and affecting its image capturing effect; The ring is disposed between the outer edge of the front lens and the inner side wall of the lens barrel, so the direction of the force received between the front lens and the lens barrel is perpendicular to the optical axis, so that the direction of the optical axis can be avoided. The force hinders the front lens, making the front lens easier to mount in place, allowing the single-focus lens to meet the design requirements to achieve the desired performance. Therefore, the single-focus lens waterproof structure of the present invention can eliminate the force of the optical axis direction of the lens, so that the interval between the lenses is more easily controlled, thereby ensuring good performance of the lens.
附图说明DRAWINGS
下面结合附图和实例对本发明作进一步说明。The invention will now be further described with reference to the accompanying drawings and examples.
图1是传统单焦镜头防水结构的剖面图；Figure 1 is a cross-sectional view of a conventional single-focal lens waterproof structure;
图2是本发明的单焦镜头防水结构的剖面图；Figure 2 is a cross-sectional view showing the waterproof structure of the single-focus lens of the present invention;
图3是图2中A部分的示意图。Figure 3 is a schematic view of a portion A of Figure 2.
具体实施方式detailed description
参照图2-图3，本发明的一种单焦镜头防水结构，包括用于构成镜头主体的镜筒1、用于安装于镜筒1最前端的最前镜片2和用于起防水作用的防水圈3，镜筒1设置有用于安装最前镜片2的安装位，最前镜片2安装于安装位之中时，防水圈3设置于最前镜片2的外侧边缘与镜筒1的内侧壁之间。具体地，本发明的单焦镜头防水结构之中，镜筒1用于构成单焦镜头的主体，为防水结构提供重要的基准部件；最前镜片2能够起到最大捕捉影像的作用，使得单焦镜头能够最大限度地捕捉到影像；防水圈3能够有效保护单焦镜头内部不受渗水的影响，从而保证了单焦镜头的良好防水作用，避免单焦镜头出现渗水而影响其对影像的捕捉效果；防水圈3设置于最前镜片2的外侧边缘与镜筒1的内侧壁之间，因此最前镜片2镜片与镜筒1之间所受到的作用力的方向为垂直于光轴的方向，所以能够避免出现光轴方向的作用力对最前镜片2产生阻碍的情况，使得最前镜片2能够更容易地安装到位，从而使单焦镜头符合设计的要求，从而能够达到所需的性能。因此，本发明的单焦镜头防水结构，能够消除镜片所受到的光轴方向的作用力，使得镜片之间的间隔更容易受到管控，从而能够保证镜头的良好的性能。2 to 3, a single-focus lens waterproof structure of the present invention includes a lens barrel 1 for constituting a lens main body, a front lens 2 for mounting at the foremost end of the lens barrel 1, and waterproof for waterproofing. In the ring 3, the lens barrel 1 is provided with a mounting position for mounting the front lens 2, and when the front lens 2 is mounted in the mounting position, the waterproof ring 3 is disposed between the outer edge of the front lens 2 and the inner side wall of the lens barrel 1. Specifically, in the single-focal lens waterproof structure of the present invention, the lens barrel 1 is used to constitute a main body of the single-focus lens, and provides an important reference component for the waterproof structure; the front lens 2 can function as a maximum image capturing, so that the single focus The lens can capture the image to the maximum extent; the waterproof ring 3 can effectively protect the inside of the single-focus lens from water seepage, thus ensuring the good waterproof effect of the single-focus lens, avoiding the water seepage of the single-focus lens and affecting its image capturing effect. The waterproof ring 3 is disposed between the outer edge of the front lens 2 and the inner side wall of the lens barrel 1, so that the direction of the force received between the lens of the front lens 2 and the lens barrel 1 is perpendicular to the optical axis, so It is avoided that the force in the direction of the optical axis hinders the front lens 2, so that the front lens 2 can be more easily mounted in position, so that the single-focus lens meets the design requirements, thereby achieving the desired performance. Therefore, the single-focus lens waterproof structure of the present invention can eliminate the force of the optical axis direction of the lens, so that the interval between the lenses is more easily controlled, thereby ensuring good performance of the lens.
其中，参照图2-图3，最前镜片2的外侧边缘设置有外侧台阶21，防水圈3设置于外侧台阶21之中。具体地，外侧台阶21能够限制防水圈3的位置，使得当最前镜片2安装于镜筒1之中时，防水圈3受到的摩擦力不会使防水圈3出现位置偏移的情况，从而保证了良好的防水效果。此外，防水圈3安装于外侧台阶21之中时，一部分的防水圈3嵌入到最前镜片2之中，因此防水圈3只有一部分与镜筒1的内侧壁相接触，所以防水圈3只有一部分受到镜筒1的内侧壁的挤压作用，能够避免最前镜片2和镜筒1对防水圈3的过度挤压，从而能够延长防水圈3的使用寿命。2 to 3, the outer edge of the front lens 2 is provided with an outer step 21, and the waterproof ring 3 is disposed in the outer step 21. Specifically, the outer step 21 can limit the position of the waterproof ring 3, so that when the foremost lens 2 is mounted in the lens barrel 1, the frictional force received by the waterproof ring 3 does not cause the position of the waterproof ring 3 to be displaced, thereby ensuring A good waterproof effect. Further, when the waterproof ring 3 is mounted in the outer step 21, a part of the waterproof ring 3 is fitted into the foremost lens 2, so that only a part of the waterproof ring 3 is in contact with the inner side wall of the lens barrel 1, so that only a part of the waterproof ring 3 is subjected to The squeezing action of the inner side wall of the lens barrel 1 can avoid excessive squeezing of the waterproof ring 3 by the front lens 2 and the lens barrel 1, thereby prolonging the service life of the waterproof ring 3.
其中，参照图2，镜筒1之中设置有贯通镜筒1的成像通孔，镜筒1以成像通孔的轴线为中心朝外设置有第一阶级和第二阶级，第一阶级和第二阶级之中分别设置有用于辅助成像的第二镜片4和第三镜片5。具体地，第一阶级的直径大于第二阶级的直径，当把第三镜片5、第二镜片4和最前镜片2依次安装于镜筒1之中时，第三镜片5、第二镜片4和最前镜片2依次安装于第二阶级、第一阶级和安装位之中，从而使得单焦镜头能够符合组装的要求而顺利进行组装，从而提高组装的效率。2, the lens barrel 1 is provided with an imaging through hole penetrating through the lens barrel 1, and the lens barrel 1 is provided with a first class and a second class centering on the axis of the imaging through hole, the first class and the first A second lens 4 and a third lens 5 for assisting imaging are respectively disposed in the second class. Specifically, the diameter of the first stage is larger than the diameter of the second stage, and when the third lens 5, the second lens 4, and the foremost lens 2 are sequentially mounted in the lens barrel 1, the third lens 5, the second lens 4, and The front lens 2 is sequentially installed in the second stage, the first stage, and the mounting position, so that the single-focus lens can be assembled smoothly in accordance with the assembly requirements, thereby improving assembly efficiency.
其中，参照图2，最前镜片2、第二镜片4和第三镜片5由外而内设置于镜筒1之中，第三镜片5支撑第二镜片4，第二镜片4支撑最前镜片2。具体地，最前镜片2、第二镜片4和第三镜片5由外而内设置于镜筒1之中时，最前镜片2、第二镜片4和第三镜片5分别安装于安装位、第一阶级和第二阶级之中，此时，第三镜片5支撑第二镜片4，第二镜片4支撑最前镜片2，因此能够保证各个镜片之间的空气间隔处于管控之中，从而避免出现造成单焦镜头性能不良的情况。2, the front lens 2, the second lens 4, and the third lens 5 are disposed outside the lens barrel 1 from the outside, the third lens 5 supports the second lens 4, and the second lens 4 supports the front lens 2. Specifically, when the front lens 2, the second lens 4, and the third lens 5 are disposed outside the lens barrel 1 , the front lens 2 , the second lens 4 , and the third lens 5 are respectively mounted on the mounting position, and the first Among the class and the second class, at this time, the third lens 5 supports the second lens 4, and the second lens 4 supports the foremost lens 2, thereby ensuring that the air space between the lenses is under control, thereby avoiding the occurrence of a single Poor lens performance.
其中，参照图2，本发明的单焦镜头防水结构，还包括用于把最前镜片2锁紧于镜筒1之中的盖子6，盖子6之上设置有扣部61，盖子6安装于镜筒1之上，扣部61扣紧最前镜片2。具体地，扣部61沿着盖子6的边缘朝最前镜片2的外侧球面延伸，因此当盖子6安装于镜筒1之上时，扣部61扣紧最前镜片2的外侧球面，从而能够使最前镜片2牢牢地安装于镜筒1之上，避免出现最前镜片2掉落或偏移而导致单焦镜头性能不良的情况。2, the single-focal lens waterproof structure of the present invention further includes a cover 6 for locking the foremost lens 2 in the lens barrel 1. The cover 6 is provided with a buckle portion 61, and the cover 6 is mounted on the mirror. Above the barrel 1, the buckle portion 61 fastens the front lens 2. Specifically, the buckle portion 61 extends along the outer spherical surface of the front lens 2 along the edge of the cover 6, so that when the cover 6 is mounted on the lens barrel 1, the buckle portion 61 fastens the outer spherical surface of the front lens 2, thereby enabling the front end The lens 2 is firmly mounted on the lens barrel 1 to avoid the occurrence of poor performance of the single-focus lens due to the falling or offset of the front lens 2.
其中，参照图2，盖子6与镜筒1通过螺牙旋合的方式相连接，具体地，螺牙旋合的方式能够使盖子6与镜筒1之间牢牢地连接于一起，从而能够避免盖子6松动而造成最前镜片2发生掉落或偏移的情况。此外，当盖子6通过螺牙旋合的方式与镜筒1相连接时，扣部61会推动最前镜片2紧贴于镜筒1中的安装位，此时，防水圈3能够被镜筒1的内侧壁和最前镜片2的外侧边缘所挤压，从而能够封锁镜筒1和最前镜片2之间的间隙，从而起到防水的作用。2, the cover 6 and the lens barrel 1 are connected by screwing, in particular, the manner in which the screw is screwed enables the cover 6 and the lens barrel 1 to be firmly connected together, thereby enabling It is avoided that the cover 6 is loosened and the front lens 2 is dropped or displaced. In addition, when the cover 6 is connected to the lens barrel 1 by screwing, the buckle portion 61 pushes the front lens 2 to be in close contact with the mounting position in the lens barrel 1. At this time, the waterproof ring 3 can be guided by the lens barrel 1. The inner side wall and the outer side edge of the frontmost lens 2 are pressed, so that the gap between the lens barrel 1 and the foremost lens 2 can be blocked, thereby functioning as a waterproof.
以上是对本发明的较佳实施进行了具体说明，但本发明并不局限于上述实施方式，熟悉本领域的技术人员在不违背本发明精神的前提下还可作出种种的等同变形或替换，这些等同的变形或替换均包含在本申请权利要求所限定的范围内。The above is a detailed description of the preferred embodiments of the present invention, but the present invention is not limited to the above-described embodiments, and various equivalent modifications or substitutions can be made by those skilled in the art without departing from the spirit of the invention. Equivalent variations or substitutions are intended to be included within the scope of the appended claims.

Claims (7)

  1. 一种单焦镜头防水结构，其特征在于：包括用于构成镜头主体的镜筒（1）、用于安装于所述镜筒（1）最前端的最前镜片（2）和用于起防水作用的防水圈（3），所述镜筒（1）设置有用于安装所述最前镜片（2）的安装位，所述最前镜片（2）安装于所述安装位之中时，所述防水圈（3）设置于所述最前镜片（2）的外侧边缘与所述镜筒（1）的内侧壁之间。 A single-focus lens waterproof structure, comprising: a lens barrel (1) for constituting a lens main body, a front lens (2) for mounting at the foremost end of the lens barrel (1), and for waterproofing Waterproof ring (3), the lens barrel (1) is provided with a mounting position for mounting the front lens (2), and the waterproof ring is installed when the front lens (2) is installed in the mounting position (3) disposed between an outer edge of the foremost lens (2) and an inner side wall of the lens barrel (1).
  2. 根据权利要求1所述的一种单焦镜头防水结构，其特征在于：所述最前镜片（2）的外侧边缘设置有外侧台阶（21），所述防水圈（3）设置于所述外侧台阶（21）之中。A single-focal lens waterproof structure according to claim 1, wherein an outer edge of the foremost lens (2) is provided with an outer step (21), and the waterproof ring (3) is disposed on the outer step Among (21).
  3. 根据权利要求1所述的一种单焦镜头防水结构，其特征在于：所述镜筒（1）之中设置有贯通所述镜筒（1）的成像通孔，所述镜筒（1）以所述成像通孔的轴线为中心朝外设置有第一阶级和第二阶级，所述第一阶级和第二阶级之中分别设置有用于辅助成像的第二镜片（4）和第三镜片（5）。A single-focal lens waterproof structure according to claim 1, wherein an image forming through hole penetrating the lens barrel (1) is disposed in the lens barrel (1), and the lens barrel (1) A first class and a second class are disposed outwardly centering on an axis of the imaging through hole, and a second lens (4) and a third lens for assisting imaging are respectively disposed in the first class and the second class (5).
  4. 根据权利要求3所述的一种单焦镜头防水结构，其特征在于：所述第一阶级的直径大于所述第二阶级的直径。A single-focal lens waterproof structure according to claim 3, wherein said first stage has a diameter larger than a diameter of said second stage.
  5. 根据权利要求4所述的一种单焦镜头防水结构，其特征在于：所述最前镜片（2）、第二镜片（4）和第三镜片（5）由外而内设置于所述镜筒（1）之中，所述第三镜片（5）支撑所述第二镜片（4），所述第二镜片（4）支撑所述最前镜片（2）。A single-focal lens waterproof structure according to claim 4, wherein said front lens (2), second lens (4) and third lens (5) are externally disposed inside said lens barrel In (1), the third lens (5) supports the second lens (4), and the second lens (4) supports the foremost lens (2).
  6. 根据权利要求1-5任一所述的一种单焦镜头防水结构，其特征在于：还包括用于把所述最前镜片（2）锁紧于所述镜筒（1）之中的盖子（6），所述盖子（6）之上设置有扣部（61），所述盖子（6）安装于所述镜筒（1）之上，所述扣部（61）扣紧所述最前镜片（2）。A single-focal lens waterproofing structure according to any of claims 1-5, further comprising a cover for locking the foremost lens (2) in the lens barrel (1) ( 6), a cover portion (61) is disposed on the cover (6), the cover (6) is mounted on the lens barrel (1), and the buckle portion (61) fastens the front lens (2).
  7. 根据权利要求6所述的一种单焦镜头防水结构，其特征在于：所述盖子（6）与所述镜筒（1）通过螺牙旋合的方式相连接。A single-focal lens waterproof structure according to claim 6, characterized in that the cover (6) is connected to the lens barrel (1) by screwing.
PCT/CN2017/112737 2017-05-27 2017-11-24 Single-focus lens waterproof structure WO2018218892A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201720616995.3U CN206920801U (en) 2017-05-27 2017-05-27 A kind of single zoom lens waterproof construction
CN201720616995.3 2017-05-27

Publications (1)

Publication Number Publication Date
WO2018218892A1 true WO2018218892A1 (en) 2018-12-06

Family

ID=61313513

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/112737 WO2018218892A1 (en) 2017-05-27 2017-11-24 Single-focus lens waterproof structure

Country Status (2)

Country Link
CN (1) CN206920801U (en)
WO (1) WO2018218892A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201307181Y (en) * 2008-05-19 2009-09-09 富士能株式会社 Lens assembly and camera device thereof
JP2011002493A (en) * 2009-06-16 2011-01-06 Konica Minolta Opto Inc Lens unit and waterproof camera
JP2011017839A (en) * 2009-07-08 2011-01-27 Konica Minolta Opto Inc Waterproof camera
CN204667027U (en) * 2015-06-03 2015-09-23 中山联合光电科技股份有限公司 A kind of vehicle-mounted waterproof camera lens
CN204731514U (en) * 2015-06-11 2015-10-28 中山市弘景光电科技有限公司 A kind of pick-up lens with waterproof construction
CN205404933U (en) * 2016-02-29 2016-07-27 中山联合光电科技股份有限公司 Waterproof construction of camera lens
CN206178226U (en) * 2016-08-26 2017-05-17 谷崧精密工业股份有限公司 waterproof lens

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201307181Y (en) * 2008-05-19 2009-09-09 富士能株式会社 Lens assembly and camera device thereof
JP2011002493A (en) * 2009-06-16 2011-01-06 Konica Minolta Opto Inc Lens unit and waterproof camera
JP2011017839A (en) * 2009-07-08 2011-01-27 Konica Minolta Opto Inc Waterproof camera
CN204667027U (en) * 2015-06-03 2015-09-23 中山联合光电科技股份有限公司 A kind of vehicle-mounted waterproof camera lens
CN204731514U (en) * 2015-06-11 2015-10-28 中山市弘景光电科技有限公司 A kind of pick-up lens with waterproof construction
CN205404933U (en) * 2016-02-29 2016-07-27 中山联合光电科技股份有限公司 Waterproof construction of camera lens
CN206178226U (en) * 2016-08-26 2017-05-17 谷崧精密工业股份有限公司 waterproof lens

Also Published As

Publication number Publication date
CN206920801U (en) 2018-01-23

Similar Documents

Publication Publication Date Title
US20200389597A1 (en) Video camera
JP4705084B2 (en) Electronic equipment
CN104203805B (en) For compensating MEMS devices and the equipment of shake
JP2020027286A (en) Lens module
WO2018218892A1 (en) Single-focus lens waterproof structure
CN210720981U (en) Motion camera lens protection architecture and motion camera
CN205336401U (en) Camera and long -range system of saying of looking
CN213814283U (en) Cambered surface conical mirror 360-degree imaging device for underground television multi-lens
CN211860310U (en) Camera ball frame that prevents dust
CN211046982U (en) Camera for mobile phone
CN203811879U (en) A telescopic external handset lens
JPH11271840A (en) Lens hood unit
CN205847393U (en) The dust-proof monitoring camera in a kind of smart city
CN216252925U (en) Rear camera for mobile communication equipment with protective structure
CN220108104U (en) Conch type camera shell
CN109151118B (en) External lens for handheld intelligent terminal, bracket and use method of external lens
CN207851391U (en) High-accuracy optical lens spacer ring structure
CN218897244U (en) Camera structure convenient to detach
CN216434527U (en) Endoscope camera
CN218122442U (en) Front-mounted optical filter camera module
CN210725051U (en) Spherical camera outer cover
WO2020024463A1 (en) Camera assembly and gimbal assembly having same
CN218158486U (en) Infrared thermal imaging lens mounting structure
CN220453152U (en) Fixing device and camera
CN214751020U (en) Lens and lens

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17912287

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17912287

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 20.04.2020)

122 Ep: pct application non-entry in european phase

Ref document number: 17912287

Country of ref document: EP

Kind code of ref document: A1