WO2021253945A1 - 一种具有镜片保护功能的折叠式眼镜 - Google Patents

一种具有镜片保护功能的折叠式眼镜 Download PDF

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Publication number
WO2021253945A1
WO2021253945A1 PCT/CN2021/086787 CN2021086787W WO2021253945A1 WO 2021253945 A1 WO2021253945 A1 WO 2021253945A1 CN 2021086787 W CN2021086787 W CN 2021086787W WO 2021253945 A1 WO2021253945 A1 WO 2021253945A1
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WIPO (PCT)
Prior art keywords
lens
lens mounting
leg
groove
mounting frames
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PCT/CN2021/086787
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English (en)
French (fr)
Inventor
刘晓庆
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台州黄岩智正信息科技有限公司
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Publication of WO2021253945A1 publication Critical patent/WO2021253945A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C5/00—Constructions of non-optical parts
    • G02C5/02—Bridges; Browbars; Intermediate bars
    • G02C5/08—Bridges; Browbars; Intermediate bars foldable
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C5/00—Constructions of non-optical parts
    • G02C5/14—Side-members
    • G02C5/16—Side-members resilient or with resilient parts
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C5/00—Constructions of non-optical parts
    • G02C5/14—Side-members
    • G02C5/20—Side-members adjustable, e.g. telescopic

Definitions

  • the present invention relates to the technical field of folding glasses, in particular to a folding glasses with lens protection function.
  • Glasses are a combination of lenses and frames that are worn in front of the eyes to improve eyesight, protect the eyes or for decorative purposes. Glasses can correct a variety of vision problems, including myopia, hyperopia, astigmatism, presbyopia or strabismus, amblyopia, etc.
  • the glasses are composed of lenses and frames. Divided into myopia glasses, hyperopia glasses, reading glasses and astigmatism glasses, flat glasses, computer goggles, goggles, swimming goggles, night vision goggles, gaming goggles, gaming goggles, goggles, sunglasses, toy glasses, sunglasses . There are also special glasses for viewing 3D stereoscopic images or virtual real images. Other types of glasses include goggles, sunglasses, swimming goggles, etc., which provide various protections for the eyes. Modern glasses usually have nose pads in the middle of the lenses and soft cushions where the left and right arms rest on the ears. People who love beauty or are not used to wearing glasses can choose to correct their vision with contact lenses.
  • the purpose of the present invention is to provide a foldable glasses with lens protection function, which has the advantage that the lens is protected by the external frame structure after the glasses are folded, and solves the problems raised in the background art.
  • a folding glasses with lens protection function comprising two lens mounting frames, the backs of the two lens mounting frames are rotatably connected with temples, the two A coupling plate is hingedly connected between the two lens mounting frames, and the two lens mounting frames are folded toward the front through the coupling plate;
  • the temples include a first leg and a second leg that are hinged to each other, and the first leg is hinged to the lens mounting frame;
  • It also includes a transmission mechanism that can drive the first leg and the second leg to fold when the two lens mounting frames are folded in half;
  • the transmission mechanism includes a second rotating shaft whose one end is fixedly connected to the second section of the leg, the other end of the second rotating shaft passes through the first section of the leg and is rotationally connected with the first section of the leg, and this end is fixed
  • a second transmission wheel is connected, and one end of the first section of the leg close to the lens mounting frame is connected with a double groove transmission wheel for limiting rotation, and a second transmission wheel passes between the double groove transmission wheel and the second transmission wheel.
  • the driving mechanism includes an L-shaped rotating disk, the L-shaped rotating disk is rotatably connected to the hinge of the lens mounting frame and the first leg, the steering connecting plate is rotatably connected with a third rotating shaft, so A first transmission wheel is fixedly connected to one end of the third rotating shaft, and the first transmission wheel and the double-groove transmission wheel are connected in transmission through a first transmission belt;
  • the other end of the third rotating shaft is fixedly connected with a steering connecting plate, the side of the steering connecting plate is provided with a groove connecting groove for the steering connecting column to slide, and the steering connecting column is slidably connected to the connecting groove
  • a linkage shaft is fixedly connected to the steering connection column, a support for supporting the linkage shaft and enabling the linkage shaft to rotate in a limit is fixed on the lens mounting frame, and the end of the linkage shaft away from the steering connection column is fixedly connected with a gear, It also includes a rack that meshes with the gear and can move back and forth.
  • it further includes a sliding block
  • the lens mounting frame is provided with a sliding groove
  • the sliding block is slidably connected in the sliding groove
  • the sliding block is fixedly connected with the end of the rack
  • the sliding block A moving column is fixedly connected to the surface of the moving column, the moving column is sleeved with a linkage plate by opening a through hole, a section of the linkage plate close to the connecting plate is arc-shaped, and an arc-shaped sliding groove is provided on the arc-shaped section
  • a central shaft is fixedly connected to the coupling plate, and the linkage plate is slidably connected with the central shaft through an arc-shaped sliding groove provided on the coupling plate.
  • the end of the arc-shaped section of the linkage plate is three to six millimeters away from the front surface of the lens mounting frame.
  • the second leg is made of elastic material, and the outer surface is sprayed with a non-slip coating.
  • the hinged joint between the lens mounting frame and the coupling plate has a damping design.
  • the temples are also folded at the same time, and finally, the two folded temples only need to be rotated and retracted.
  • the front faces of the two lenses face each other, so that the front face of the lens is not easy to touch the surface of the tabletop, avoiding dirt on the tabletop or being scratched by particles.
  • the temples support and protect the back of the lens.
  • the temples When one side of the folded glasses is placed on a flat surface, the temples will contact the flat surface, and the lens will be supported, so that the lens’s contact surface will be a certain distance away from the contact surface, thus avoiding contact between the back of the lens and a plane such as the tabletop, which protects The lens is more clean and hygienic.
  • both sides of the folded lens are protected by other structures, so that both sides of the lens are not easy to touch other surfaces.
  • you can pinch the two temples for picking and placing to avoid direct contact with the lens and fingerprints. Contamination on the mirror surface affects vision and lens hygiene.
  • Figure 1 is a schematic view of the structure of the top view of the present invention.
  • Fig. 2 is an enlarged view of the structure at A in Fig. 1 of the present invention
  • Fig. 3 is an enlarged view of the structure at B in Fig. 1 of the present invention.
  • Figure 4 is a schematic diagram of the connection between the steering connecting plate and the steering connecting column of the present invention.
  • FIG. 5 is a top view of the structure of the glasses after folding of the present invention.
  • Fig. 6 is a schematic diagram of the flat arrangement of the folded glasses structure of the present invention.
  • Fig. 7 is a front view of another folded state of the glasses of the present invention.
  • lens mounting frame 1 temple 2, central axis 3, first leg 4, second leg 5, first shaft 6, second shaft 7, sliding groove 8, linkage plate 9, slider 10, Moving column 11, arc chute 12, linkage shaft 13, gear 14, rack 15, first transmission wheel 16, first transmission belt 17, double groove transmission wheel 18, second transmission belt 19, second transmission wheel 19, L A shaped rotating disc 21, a third rotating shaft 22, a steering connecting plate 23, a steering connecting column 24, a connecting groove 25, a support 26, and a connecting plate 27.
  • a foldable glasses with lens protection function including two lens mounting frames 1, the back of the two lens mounting frames 1 are rotatably connected with a mirror Leg 2, a coupling plate 27 is hingedly connected between the two lens mounting frames 1, and the two lens mounting frames 1 are folded toward the front side through the coupling plate 27;
  • the two lens mounting frames 1 are connected to each other through a coupling plate 27, and the two lens mounting frames 1 can only be folded toward the front with respect to the coupling plate 27, and the back of the coupling plate 27 is provided with a rotation dead center for the lens mounting frame 1.
  • the temple 2 includes a first leg 4 and a second leg 5 hinged to each other, and the first leg 4 is hinged to the lens mounting frame 1;
  • It also includes a transmission mechanism that can drive the first leg 4 and the second leg 5 to fold when the two lens mounting frames 1 are folded in half;
  • the transmission mechanism includes a second rotating shaft 7 whose one end is fixedly connected to the second section leg 5, and the other end of the second rotating shaft 7 passes through the first section leg 4 and is connected to the first section leg 4 in a rotationally limited manner. And this end is fixedly connected with a second transmission wheel 19, and the end of the first leg 4 close to the lens mounting frame 1 is connected with a double groove transmission wheel 18 for limiting rotation.
  • the double groove transmission wheel 18 and the The second transmission wheels 19 are connected by a second transmission belt 19;
  • a driving mechanism capable of driving the double-groove transmission wheel 18 to rotate when the front of the two lens mounting frames 1 are folded in half.
  • the transmission mechanism will fold the first leg 4 and the second leg 5 that are hinged to each other, thereby shortening the length of the temple 2 and facilitating placement In a smaller storage box, compared with the prior art, the present invention can fold the temples 2 while folding the lens mounting frame 1, which simplifies the operation steps and is more convenient and efficient to use.
  • the driving mechanism capable of driving the double-groove transmission wheel 18 to rotate is not limited by this embodiment. As long as the two lens mounting frames 1 are able to drive the double-groove transmission wheel 18 to rotate evenly when the front side of the two lens mounting frames 1 is folded in half. applicable.
  • the temples 2 are also folded at the same time, and finally the two folded temples 2 need to be rotated and retracted.
  • the front faces of the two lenses face each other, so that the front face of the lens is not easy to touch the table top and other planes, avoiding dirt on the table top or being scratched by particles.
  • the temple 2 supports and protects the back of the lens.
  • the temples 2 will contact the flat surface, and the lens will be supported so that the lens’s contact surface is a certain distance away from the contact surface, thus avoiding the back of the lens from contacting the surface of the desktop. The lens is protected, and the lens is more clean and hygienic.
  • both sides of the folded lens are protected by other structures, so that both sides of the lens are not easy to touch other planes.
  • the driving mechanism includes an L-shaped rotating disk 21, which is rotatably connected to the hinge joint of the lens mounting frame 1 and the first leg 4, and the steering connecting plate 23 is rotatably connected with A third rotating shaft 22, one end of the third rotating shaft 22 is fixedly connected with a first transmission wheel 16, and the first transmission wheel 16 and the double-groove transmission wheel 18 are in transmission connection through a first transmission belt 17;
  • the other end of the third rotating shaft 22 is fixedly connected with a steering connecting plate 23.
  • the side of the steering connecting plate 23 is provided with a groove connecting groove 25 for the steering connecting column 24 to slide.
  • the connecting groove 25 is slidably connected, the steering connecting column 24 is fixedly connected with a linkage shaft 13, and the lens mounting frame 1 is fixed with a support 26 for supporting the linkage shaft 13 and enabling the linkage shaft 13 to rotate in a limited position.
  • a gear 14 is fixedly connected to an end of the linkage shaft 13 away from the steering connection column 24, and also includes a rack 15 that meshes with the gear 14 and can move back and forth.
  • the lens mounting frame 1 is provided with a sliding groove 8
  • the slider 10 is slidably connected in the sliding groove 8
  • the end of the slider 10 and the rack 15 Fixed connection, the surface of the slider 10 is fixedly connected with a moving column 11, the moving column 11 is sleeved with a linkage plate 9 by opening a through hole, and a section of the linkage plate 9 close to the connecting plate 27 is arc-shaped , And the arc-shaped section is provided with an arc-shaped slide groove 12, the coupling plate 27 is fixedly connected with the central shaft 3, and the linkage plate 9 is slidably connected with the central shaft 3 through the arc-shaped slide groove 12 opened thereon.
  • the distance between the hinge point between the coupling plate 27 and the lens mounting frame 1 and the central axis 3 is smaller than the radius of the circular arc section of the linkage plate 9. Therefore, the hinge point of the lens mounting frame 1 and the coupling plate 27 is at the eccentric position of the arc segment of the coupling plate.
  • the process of rotating the gear 14 and the linkage between the linkage shaft 13 and the steering connection column 24 can make the first transmission wheel 16 rotate synchronously. 17.
  • the transmission of the double-groove transmission wheel 18 and the second transmission belt 19 makes the second transmission wheel 19 rotate synchronously.
  • the rotation process of the second transmission wheel 19 and the transmission of the second shaft 7 can make the second leg 5 Rotate to complete the folding of temple 2.
  • the end of the arc section of the linkage plate 9 is three to six millimeters away from the front surface of the lens mounting frame 1.
  • the second leg 5 is made of elastic material, and the outer surface is sprayed with a non-slip coating.
  • the hinge joint between the lens mounting frame 1 and the coupling plate 27 has a damping design. Therefore, when the two lens mounting frames 1 are unfolded for use or folded, they are not easy to loosen.
  • two lens mounting frames 1 are connected to each other through a coupling plate 27, and the two lens mounting frames 1 can only be folded toward the front with respect to the coupling plate 27, and the back of the coupling plate 27 is provided with a pair of lens mounting frames 1 The turning dead center.
  • the transmission mechanism will fold the first leg 4 and the second leg 5 that are hinged to each other, thereby shortening the length of the temple 2 and facilitating placement
  • the present invention can fold the temples 2 while folding the lens mounting frame 1, which simplifies the operation steps and is more convenient and efficient to use.
  • the driving mechanism capable of driving the double-groove transmission wheel 18 to rotate is not limited by this embodiment. As long as the two lens mounting frames 1 are able to drive the double-groove transmission wheel 18 to rotate evenly when the front side of the two lens mounting frames 1 is folded in half. applicable.
  • the process of rotating the gear 14 and the linkage between the linkage shaft 13 and the steering connection column 24 can make the first transmission wheel 16 rotate synchronously. 17.
  • the transmission of the double-groove transmission wheel 18 and the second transmission belt 19 makes the second transmission wheel 19 rotate synchronously.
  • the rotation process of the second transmission wheel 19 and the transmission of the second shaft 7 can make the second leg 5 Rotate to complete the folding of temple 2
  • the temples 2 are also folded at the same time, and finally the two folded temples 2 need to be rotated and retracted.
  • the front faces of the two lenses face each other, so that the front face of the lens is not easy to touch the table top and other planes, avoiding dirt on the table top or being scratched by particles.
  • the temple 2 supports and protects the back of the lens.
  • the temples 2 will contact the flat surface, and the lens will be supported so that the lens’s contact surface is a certain distance away from the contact surface, thus avoiding the back of the lens from contacting the surface of the desktop. The lens is protected, and the lens is more clean and hygienic.
  • both sides of the folded lens are protected by other structures, so that both sides of the lens are not easy to touch other planes.

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)

Abstract

一种具有镜片保护功能的折叠式眼镜，包括两个镜片安装框（1），两个镜片安装框（1）背面均转动连接有镜腿（2），两个镜片安装框（1）之间铰连接有联结板（27），两个镜片安装框（1）通过联结板（27）向正面相向对折；镜腿（2）包括相互铰接的第一段腿（4）和第二段腿（5），第一段腿（4）与镜片安装框（1）铰接；两个镜片安装框（1）正面对折时，能够驱动第一段腿（4）和第二段腿（5）折叠的传动机构；传动机构包括与第二段腿（5）固定连接的第二传动轮（20）和与第一段腿（4）转动连接的双槽传动轮（18），双槽传动轮（18）和第二传动轮（20）之间通过第二传动带（19）传动连接；两个镜片安装框（1）正面对折时，能够驱动双槽传动轮（18）转动的驱动机构。折叠后的镜片两面都被其他结构保护，使镜片的两面都不易接触其他平面，手去取放时，可以捏住两个镜腿进行取放，避免手指直接接触镜片，从而避免指纹沾染在镜面上影响视觉及镜片卫生。

Description

一种具有镜片保护功能的折叠式眼镜 技术领域
本发明涉及折叠式眼镜技术领域，具体为一种具有镜片保护功能的折叠式眼镜。
背景技术
眼镜是用镜片和架子组合起来戴在眼睛前方，用来改善视力、保护眼睛或作装饰用途的用品。眼镜可矫正多种视力问题，包括近视、远视、散光、老花或斜视、弱视等。
眼镜由镜片、镜架组成。分近视眼镜、远视眼镜、老花镜及散光眼镜、平光眼镜、电脑护目镜、护目镜、泳镜、夜视镜、电竞游戏护目镜、电竞护目镜、风镜、墨镜、玩具眼镜、太阳眼镜。亦有特制眼镜供观看3D立体影像或虚拟真实影像。眼镜的其他种类包括护目镜，太阳镜，游泳镜等，为眼睛提供各种保护。现代的眼镜，通常在镜片中间设有鼻托，及在左右两臂搁在耳朵上的位置设有软垫。爱美或不习惯佩戴眼镜的人，可以选择以隐形眼镜矫正视力。
人们为了携带方便，设计更小的眼镜盒，这就使眼镜需要折叠放置，但是现有的眼镜的镜脚都是朝镜框内侧收拢折叠的，此结构仅可实现眼镜的收置存放，两个镜片朝外，取放的时候容易沾上手的指纹影响视觉，另外偶尔放在桌面上时，也容易镜片与桌面等平面接触，灰尘等颗粒会划伤镜片，沾染在镜片上也会影响视觉及卫生。
发明内容
本发明的目的在于提供一种具有镜片保护功能的折叠式眼镜，具备的眼镜折叠后镜片被外部的框架结构保护的优点，解决了上述背景技术中所提出的问题。
为实现上述目的，本发明提供如下技术方案：一种具有镜片保护功能的 折叠式眼镜，包括两个镜片安装框，两个所述的镜片安装框背面均转动连接有镜腿，所述的两个镜片安装框之间铰连接有联结板，两个镜片安装框通过联结板向正面相向对折；
所述的镜腿包括相互铰接的第一段腿和第二段腿，所述的第一段腿与镜片安装框铰接；
还包括两个镜片安装框正面对折时，能够驱动第一段腿和第二段腿折叠的传动机构；
所述的传动机构包括其中一端与第二段腿固定连接的第二转轴，所述的第二转轴另一端穿过第一段腿并与第一段腿限位转动连接，且此端部固定连接有第二传动轮，所述的第一段腿靠近镜片安装框的一端限位转动连接有双槽传动轮，所述的双槽传动轮和所述的第二传动轮之间通过第二传动带传动连接；
以及两个镜片安装框正面对折时，能够驱动双槽传动轮转动的驱动机构。
优选的，所述的驱动机构包括L形转动盘，所述的L形转动盘转动连接在镜片安装框和第一段腿的铰接处，所述转向连接板上转动连接有第三转轴，所述第三转轴的一端部固定连接有第一传动轮，所述的第一传动轮和所述的双槽传动轮之间通过第一传动带传动连接；
所述第三转轴的另一端部固定连接有转向连接板，所述转向连接板的侧面开设有供转向连接柱滑动的凹槽连接槽，所述的转向连接柱与所述的连接槽滑动连接，所述转向连接柱上固定连接有联动轴，所述镜片安装框上固定有用于支撑联动轴并使联动轴能够限位转动的支座,联动轴远离转向连接柱的一端固定连接有齿轮，还包括与齿轮啮合并能够往复移动的齿条。
优选的，还包括滑块，所述的镜片安装框上开设有滑槽，所述的滑块滑动连接在滑槽内，所述的滑块与齿条的端部固定连接，所述滑块的表面固定连接有移动柱，所述的移动柱通过开设通孔套接有联动板，所述的联动板靠 近联结板的一段为圆弧形，且圆弧形段上开设有弧形滑槽，所述的联结板上固定连接有中心轴,联动板通过其上开设的弧形滑槽与中心轴滑动连接。
优选的，所述的联动板的圆弧形段的末端距离镜片安装框的正面三到六毫米。
优选的，所述的第二段腿为弹性材料制成，且外表面喷涂有防滑涂层。
优选的，所述镜片安装框与所述联结板之间的铰接处具有阻尼设计。
与现有技术相比，本发明的有益效果如下：
本发明通过设置两个镜片安装框向正面对折后，镜腿也同时进行了折叠，最后只需要将两个折叠后的镜腿转动收回一下即可。在此状态下，两个镜片的正面相对，从而镜片的正面不易接触到桌面等平面，避免了沾染桌面上的污垢或被颗粒物划伤，同时镜腿在镜片的背面具有支撑和保护的作用，当折叠后的眼镜其中一面放置在平面上时，镜腿会与平面接触，而将镜片支撑起，使镜片的北满距离接触面一定距离，进而避免了镜片背面与桌面等平面接触，保护了镜片，是镜片更加干净卫生。
综上，折叠后的镜片两面都被其他结构保护，使镜片的两面都不易接触其他平面，手去取放时，可以捏住两个镜腿进行取放，避免手指直接接触镜片，从而避免指纹沾染在镜面上影响视觉及镜片卫生。
附图说明
图1为本发明俯视图的结构示意图；
图2为本发明图1中A处结构的放大图；
图3为本发明图1中B处结构的放大图；
图4为本发明转向连接板与转向连接柱连接的示意图；
图5为本发明折叠后眼镜结构的俯视图；
图6为本发明折叠后眼镜结构的平放示意图；
[根据细则26改正26.05.2021]　
图7为本发明眼镜另一种折叠状态的正视图。
图中：镜片安装框1、镜腿2、中心轴3、第一段腿4、第二段腿5、第一转轴6、第二转轴7、滑槽8、联动板9、滑块10、移动柱11、弧形滑槽12、联动轴13、齿轮14、齿条15、第一传动轮16、第一传动带17、双槽传动轮18、第二传动带19、第二传动轮19、L形转动盘21、第三转轴22、转向连接板23、转向连接柱24、连接槽25、支座26、联结板27。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1至图7，本发明提供一种技术方案：一种具有镜片保护功能的折叠式眼镜，包括两个镜片安装框1，两个所述的镜片安装框1背面均转动连接有镜腿2，所述的两个镜片安装框1之间铰连接有联结板27，两个镜片安装框1通过联结板27向正面相向对折；
两个镜片安装框1之间通过联结板27相互连接，且两个镜片安装框1相对联结板27只能够向正面对折，联结板27的背面设置有对镜片安装框1的转动死点。
所述的镜腿2包括相互铰接的第一段腿4和第二段腿5，所述的第一段腿4与镜片安装框1铰接；
还包括两个镜片安装框1正面对折时，能够驱动第一段腿4和第二段腿5折叠的传动机构；
所述的传动机构包括其中一端与第二段腿5固定连接的第二转轴7，所述的第二转轴7另一端穿过第一段腿4并与第一段腿4限位转动连接，且此端部固定连接有第二传动轮19，所述的第一段腿4靠近镜片安装框1的一端限位转动连接有双槽传动轮18，所述的双槽传动轮18和所述的第二传动轮19 之间通过第二传动带19传动连接；
以及两个镜片安装框1正面对折时，能够驱动双槽传动轮18转动的驱动机构。
当两个镜片安装框1以联结板27开始向正面转动折叠时，传动机构会使得相互铰接的第一段腿4和第二段腿5折叠，从而使镜腿2的长度变短，便于放置到更小的收纳盒内，相比于现有技术，本发明能够在进行镜片安装框1折叠的同时对镜腿2进行折叠，简化了操作步骤，使用更加方便高效。本发明的传动装置包括的结构中，能够驱动双槽传动轮18转动的驱动机构不受本实施例限制，只要能够满足两个镜片安装框1正面对折时，能够驱动双槽传动轮18转动均可适用。
两个镜片安装框1向正面对折后，镜腿2也同时进行了折叠，最后只需要将两个折叠后的镜腿2转动收回一下即可。在此状态下，两个镜片的正面相对，从而镜片的正面不易接触到桌面等平面，避免了沾染桌面上的污垢或被颗粒物划伤，同时镜腿2在镜片的背面具有支撑和保护的作用，当折叠后的眼镜其中一面放置在平面上时，镜腿2会与平面接触，而将镜片支撑起，使镜片的北满距离接触面一定距离，进而避免了镜片背面与桌面等平面接触，保护了镜片，是镜片更加干净卫生。
综上，折叠后的镜片两面都被其他结构保护，使镜片的两面都不易接触其他平面，手去取放时，可以捏住两个镜腿2进行取放，避免手指直接接触镜片，从而避免指纹沾染在镜面上影响视觉及镜片卫生。
进一步的，所述的驱动机构包括L形转动盘21，所述的L形转动盘21转动连接在镜片安装框1和第一段腿4的铰接处，所述转向连接板23上转动连接有第三转轴22，所述第三转轴22的一端部固定连接有第一传动轮16，所述的第一传动轮16和所述的双槽传动轮18之间通过第一传动带17传动连接；
所述第三转轴22的另一端部固定连接有转向连接板23，所述转向连接 板23的侧面开设有供转向连接柱24滑动的凹槽连接槽25，所述的转向连接柱24与所述的连接槽25滑动连接，所述转向连接柱24上固定连接有联动轴13，所述镜片安装框1上固定有用于支撑联动轴13并使联动轴13能够限位转动的支座26,联动轴13远离转向连接柱24的一端固定连接有齿轮14，还包括与齿轮14啮合并能够往复移动的齿条15。
进一步的，还包括滑块10，所述的镜片安装框1上开设有滑槽8，所述的滑块10滑动连接在滑槽8内，所述的滑块10与齿条15的端部固定连接，所述滑块10的表面固定连接有移动柱11，所述的移动柱11通过开设通孔套接有联动板9，所述的联动板9靠近联结板27的一段为圆弧形，且圆弧形段上开设有弧形滑槽12，所述的联结板27上固定连接有中心轴3,联动板9通过其上开设的弧形滑槽12与中心轴3滑动连接。联结板27与镜片安装框1之间的铰接点和中心轴3的距离小于联动板9圆弧形段的半径。因此镜片安装框1与联结板27的铰接点处于联动板圆弧段的偏心位置。
当两个镜片安装框1向正面对折的过程中，由于移动柱11与联动板9之间存在套接关系以及联动板9的端部伸入至弧形滑槽12的槽内，使得联动板9随着镜片安装框1一起以镜片安装框1与联结板27的铰接点转动，由于偏心关系以及中心轴3对弧形滑槽12的限制关系，使得两个联动板9会向中移动，带动与其固定的滑块10沿滑槽8的槽壁进行滑动，从而使得齿条15跟随滑块10一同移动，由齿条15移动的过程并经齿条15与齿轮14之间的啮合传动，使得齿轮14进行转动，由齿轮14转动的过程并经联动轴13和转向连接柱24的联动，即可使得第一传动轮16同步进行转动，由第一传动轮16转动的过程并经第一传动带17、双槽传动轮18和第二传动带19的传动，使得第二传动轮19同步进行转动，由第二传动轮19转动的过程并经第二转轴7的传动，即可使得第二段腿5进行转动，完成镜腿2的折叠。
进一步的，所述的联动板9的圆弧形段的末端距离镜片安装框1的正面 三到六毫米。
进一步的，所述的第二段腿5为弹性材料制成，且外表面喷涂有防滑涂层。
进一步的，所述镜片安装框1与所述联结板27之间的铰接处具有阻尼设计。使得两个镜片安装框1展开使用或者折叠时，不易松动。
工作原理：本发明，两个镜片安装框1之间通过联结板27相互连接，且两个镜片安装框1相对联结板27只能够向正面对折，联结板27的背面设置有对镜片安装框1的转动死点。当两个镜片安装框1以联结板27开始向正面转动折叠时，传动机构会使得相互铰接的第一段腿4和第二段腿5折叠，从而使镜腿2的长度变短，便于放置到更小的收纳盒内，相比于现有技术，本发明能够在进行镜片安装框1折叠的同时对镜腿2进行折叠，简化了操作步骤，使用更加方便高效。本发明的传动装置包括的结构中，能够驱动双槽传动轮18转动的驱动机构不受本实施例限制，只要能够满足两个镜片安装框1正面对折时，能够驱动双槽传动轮18转动均可适用。
当两个镜片安装框1向正面对折的过程中，由于移动柱11与联动板9之间存在套接关系以及联动板9的端部伸入至弧形滑槽12的槽内，使得联动板9随着镜片安装框1一起以镜片安装框1与联结板27的铰接点转动，由于偏心关系以及中心轴3对弧形滑槽12的限制关系，使得两个联动板9会向中移动，带动与其固定的滑块10沿滑槽8的槽壁进行滑动，从而使得齿条15跟随滑块10一同移动，由齿条15移动的过程并经齿条15与齿轮14之间的啮合传动，使得齿轮14进行转动，由齿轮14转动的过程并经联动轴13和转向连接柱24的联动，即可使得第一传动轮16同步进行转动，由第一传动轮16转动的过程并经第一传动带17、双槽传动轮18和第二传动带19的传动，使得第二传动轮19同步进行转动，由第二传动轮19转动的过程并经第二转轴7的传动，即可使得第二段腿5进行转动，完成镜腿2的折叠
两个镜片安装框1向正面对折后，镜腿2也同时进行了折叠，最后只需要将两个折叠后的镜腿2转动收回一下即可。在此状态下，两个镜片的正面相对，从而镜片的正面不易接触到桌面等平面，避免了沾染桌面上的污垢或被颗粒物划伤，同时镜腿2在镜片的背面具有支撑和保护的作用，当折叠后的眼镜其中一面放置在平面上时，镜腿2会与平面接触，而将镜片支撑起，使镜片的北满距离接触面一定距离，进而避免了镜片背面与桌面等平面接触，保护了镜片，是镜片更加干净卫生。
综上，折叠后的镜片两面都被其他结构保护，使镜片的两面都不易接触其他平面，手去取放时，可以捏住两个镜腿2进行取放，避免手指直接接触镜片，从而避免指纹沾染在镜面上影响视觉及镜片卫生。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (6)

  1. 一种具有镜片保护功能的折叠式眼镜，包括两个镜片安装框(1)，两个所述的镜片安装框(1)背面均转动连接有镜腿(2)，其特征在于：所述的两个镜片安装框(1)之间铰连接有联结板(27)，两个镜片安装框(1)通过联结板(27)向正面相向对折；
    所述的镜腿(2)包括相互铰接的第一段腿(4)和第二段腿(5)，所述的第一段腿(4)与镜片安装框(1)铰接；
    还包括两个镜片安装框(1)正面对折时，能够驱动第一段腿(4)和第二段腿(5)折叠的传动机构；
    所述的传动机构包括其中一端与第二段腿(5)固定连接的第二转轴(7)，所述的第二转轴(7)另一端穿过第一段腿(4)并与第一段腿(4)限位转动连接，且此端部固定连接有第二传动轮(19)，所述的第一段腿(4)靠近镜片安装框(1)的一端限位转动连接有双槽传动轮(18)，所述的双槽传动轮(18)和所述的第二传动轮(19)之间通过第二传动带(19)传动连接；
    以及两个镜片安装框(1)正面对折时，能够驱动双槽传动轮(18)转动的驱动机构。
  2. 根据权利要求1所述的一种具有镜片保护功能的折叠式眼镜，其特征在于：所述的驱动机构包括L形转动盘(21)，所述的L形转动盘(21)转动连接在镜片安装框(1)和第一段腿(4)的铰接处，所述转向连接板(23)上转动连接有第三转轴(22)，所述第三转轴(22)的一端部固定连接有第一传动轮(16)，所述的第一传动轮(16)和所述的双槽传动轮(18)之间通过第一传动带(17)传动连接；
    所述第三转轴(22)的另一端部固定连接有转向连接板(23)，所述转向连接板(23)的侧面开设有供转向连接柱(24)滑动的凹槽连接槽(25)，所述的转向连接柱(24)与所述的连接槽(25)滑动连接，所述转向连接柱(24)上固定连接有联动轴(13)，所述镜片安装框(1)上固定有用于支撑 联动轴(13)并使联动轴(13)能够限位转动的支座(26),联动轴(13)远离转向连接柱(24)的一端固定连接有齿轮(14)，还包括与齿轮(14)啮合并能够往复移动的齿条(15)。
  3. 根据权利要求2所述的一种具有镜片保护功能的折叠式眼镜，其特征在于：还包括滑块(10)，所述的镜片安装框(1)上开设有滑槽(8)，所述的滑块(10)滑动连接在滑槽(8)内，所述的滑块(10)与齿条(15)的端部固定连接，所述滑块(10)的表面固定连接有移动柱(11)，所述的移动柱(11)通过开设通孔套接有联动板(9)，所述的联动板(9)靠近联结板(27)的一段为圆弧形，且圆弧形段上开设有弧形滑槽(12)，所述的联结板(27)上固定连接有中心轴(3),联动板(9)通过其上开设的弧形滑槽(12)与中心轴(3)滑动连接。
  4. 根据权利要求3所述的一种具有镜片保护功能的折叠式眼镜，其特征在于：所述的联动板(9)的圆弧形段的末端距离镜片安装框(1)的正面三到六毫米。
  5. 根据权利要求1所述的一种具有镜片保护功能的折叠式眼镜，其特征在于：所述的第二段腿(5)为弹性材料制成，且外表面喷涂有防滑涂层。
  6. 根据权利要求1-5任意一项所述的一种具有镜片保护功能的折叠式眼镜，其特征在于：所述镜片安装框(1)与所述联结板(27)之间的铰接处具有阻尼设计。
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CN207148454U (zh) * 2017-09-14 2018-03-27 上海闻泰电子科技有限公司 一种可调节的眼镜腿部结构
CN107656378A (zh) * 2017-10-19 2018-02-02 浙江亨达光学有限公司 一种便携折叠式眼镜
CN109613715A (zh) * 2018-12-30 2019-04-12 天津环宇标业科技有限公司 可调节镜腿张角宽松的镜架
TWI668484B (zh) * 2019-03-05 2019-08-11 雅德視國際股份有限公司 收折式眼鏡
CN111665641A (zh) * 2020-06-19 2020-09-15 台州市黄岩智正信息科技有限公司 一种具有镜片保护功能的折叠式眼镜

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