WO2021212971A1 - 一种弹性转动机构和眼镜 - Google Patents

一种弹性转动机构和眼镜 Download PDF

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Publication number
WO2021212971A1
WO2021212971A1 PCT/CN2021/075923 CN2021075923W WO2021212971A1 WO 2021212971 A1 WO2021212971 A1 WO 2021212971A1 CN 2021075923 W CN2021075923 W CN 2021075923W WO 2021212971 A1 WO2021212971 A1 WO 2021212971A1
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WO
WIPO (PCT)
Prior art keywords
base
elastic
hook structure
rotation mechanism
hook
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Application number
PCT/CN2021/075923
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English (en)
French (fr)
Inventor
徐宝宝
涂昕
Original Assignee
深圳市深科创投科技有限公司
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 深圳市深科创投科技有限公司 filed Critical 深圳市深科创投科技有限公司
Publication of WO2021212971A1 publication Critical patent/WO2021212971A1/zh

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Classifications

    • 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

Definitions

  • This application relates to a light curtain, and more specifically to an elastic rotating mechanism and glasses.
  • the opening angle of the temples of the existing glasses with respect to the frame is usually fixed. Generally, when customizing the glasses, it is set according to the size of different faces or heads. However, for some special purpose glasses, such as audio glasses, the articulation method of some temples and frames cannot meet the requirements. In audio glasses, many of the temples and frames are not removable. When different frames need to be replaced in different scenes, it cannot meet the needs of customers.
  • the purpose of this application is to overcome the shortcomings of the prior art and provide an elastic rotation mechanism and glasses.
  • An elastic rotation mechanism includes a first base and a second base rotatably coupled with the first base; the first base is provided with a hook structure; the second base is provided with a hook structure Rotating the connecting shaft; an elastic piece is arranged between the first base and the second base, so that the mutual rotation of the first base and the second base is restrained by the elastic piece.
  • a further technical solution is that the elastic piece is fixed to the first base, and the elastic end of the elastic piece is stopped against the second base, so that when the second base rotates relative to the first base, the end of the second base Squeeze the elastic end; wherein, when the first base and the second base are detached from each other, the elastic end of the elastic sheet is squeezed to separate the shaft from the hook structure.
  • the elastic piece includes a mounting part and an elastic part connected to the mounting part; the connection between the mounting part and the elastic part is a circular arc transition to form a U-shaped structure; the mounting part is arranged on the first The base; the elastic portion abuts against the end of the second base.
  • the hook structure includes a fixed part fixedly connected to the first base, an arc part connected to the fixed part; a circular arc transition at the connection between the fixed part and the arc part; the arc
  • the shaped part is rotatably connected with the rotating shaft; the fixed part and the arc-shaped part form a hook-like structure; the hook opening of the arc-shaped part faces one end of the first base.
  • the further technical solution is: the two hook structures are arranged symmetrically; the elastic piece is arranged between the two hook structures, and the end of the elastic piece is close to the connection between the rotating shaft and the hook structure.
  • the end of the second base is in contact with the elastic end of the elastic sheet; when the second base is opened relative to the first base, the end of the second base squeezes the elastic end of the elastic sheet Elastic end; when the second base is folded toward the first base, the inner side of the second base squeezes the elastic end of the elastic sheet.
  • the elastic piece includes an elastic part and a mounting part; both sides of the mounting part are provided with grooves connected with the hook structure; the groove is clamped to the bottom of the hook structure so that the elastic piece can be Disassemble the connection.
  • the groove is provided with a protrusion
  • the side of the hook structure is provided with a fixing hole connected with the protrusion.
  • one end of the second base is provided with a recessed part matching the hook structure; the rotating shaft penetrates the recessed part; the hook structure is located in the recessed part and is rotatably connected with the rotating shaft.
  • a spectacles comprising a spectacle frame and a temple; the spectacle frame and the temple are connected by the above-mentioned elastic rotation mechanism; the spectacle frame is a first base, and the temple is a second base.
  • the beneficial effect of the present application is that the first base of the present application is rotatably connected with the rotation shaft of the second base through the hook structure, and the rotation of the first base and the second base is controlled by the elastic piece, so that The rotation between the first base and the second base has elasticity, which is convenient for the first base and the second base to open or close each other; the hook structure is a hook structure to facilitate the disassembly of the first base and the second base Pack.
  • the elastic rotation mechanism is used in glasses, which makes it easy to disassemble and assemble the temples and frames, and can be disassembled by pressing one end of the shrapnel; the temples and frames have a certain elasticity, so that the temples can be opened to adapt to different faces of different people, and the adaptability is stronger. , Better wearing comfort.
  • Fig. 1 is a schematic diagram of the retracted state of an elastic rotating mechanism of this application
  • FIG. 2 is a schematic diagram of an unfolded state of an elastic rotation mechanism of this application
  • Fig. 3 is a schematic diagram of an elastic rotation mechanism of the application in an outwardly expanded state
  • Fig. 4 is a three-dimensional structural diagram of an elastic piece of an elastic rotating mechanism of this application.
  • Figure 5 is a bottom view of an elastic piece of an elastic rotating mechanism of this application.
  • Fig. 6 is a front view of a hook structure of an elastic rotation mechanism of this application.
  • FIG. 7 is a schematic diagram of coupling between a hook structure of an elastic rotation mechanism and a first base according to this application;
  • FIG. 8 is a three-dimensional structural view of an elastic piece with a raised portion of an elastic rotation mechanism of this application.
  • FIG. 9 is a schematic diagram of a hook structure with a fixing hole of an elastic rotation mechanism of the present application and the first base;
  • FIG. 10 is a schematic diagram of the installation of the elastic piece and the hook structure of an elastic rotation mechanism of this application;
  • FIG. 11 is a schematic diagram of the second base structure of an elastic rotation mechanism of this application.
  • FIG. 12 is a three-dimensional structure diagram of a kind of glasses of this application.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with “first” and “second” may explicitly or implicitly include one or more of these features. In the description of the present application, “multiple” means two or more than two, unless otherwise specifically defined.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense. For example, they may be connected or detachable. Or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two elements or the interaction relationship between two elements.
  • installed may be connected or detachable. Or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two elements or the interaction relationship between two elements.
  • the "on" or “under” of the first feature of the second feature may include direct contact between the first and second features, or may include the first and second features Not in direct contact but through other features between them.
  • the "above”, “above” and “above” of the first feature on the second feature include the first feature directly above and obliquely above the second feature, or it simply means that the first feature is higher in level than the second feature.
  • the “below”, “below” and “below” of the second feature of the first feature include the first feature directly below and obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.
  • This embodiment provides an elastic rotation mechanism Q, please refer to FIGS. 1 to 3, which includes a first base 10 and a second base 20 that is rotatably coupled with the first base 10.
  • the first base 10 is provided with a hook structure 11.
  • the second base 20 is provided with a rotating shaft 21 rotatably coupled with the hook structure 11.
  • An elastic sheet 12 is provided between the first base 10 and the second base 20 so that the rotation of the first base 10 and the second base 20 is restrained by the elastic sheet 12.
  • the elastic piece 12 is fixed to the first base 10, and the elastic end of the elastic piece 12 abuts against the second base 20, so that when the second base 20 rotates relative to the first base 10, the end of the second base 20 squeezes Press the elastic end.
  • the elastic end of the elastic piece 12 is squeezed to separate the rotating shaft 21 from the hook structure 11.
  • the elastic sheet 12 includes a mounting portion 121 and an elastic portion 122 connected to the mounting portion 121.
  • the connection between the mounting portion 121 and the elastic portion 122 is a circular arc transition to form a U-shaped structure.
  • the mounting portion 121 is disposed on the first base 10 and can be fixedly coupled or detachably coupled.
  • the elastic portion 122 abuts against the end of the second base 20.
  • the shrapnel 12 is a one-piece structure, which is more convenient to process.
  • the mounting portion 121 and the elastic portion 122 form a folding angle, and the size of the folding angle is 8-20°.
  • the most preferred folding angle is 14.5°.
  • the size of the folding angle can adjust the opening degree of the second base 20 relative to the first base 10 and the elastic force received by the second base 20.
  • the hook structure 11 includes a fixing portion 111 fixedly connected to the first base 10 and an arc-shaped portion 112 connected to the fixing portion 111.
  • the connection between the fixed portion 111 and the arc-shaped portion 112 transitions in a circular arc.
  • the arc 112 is rotatably connected with the rotating shaft 21.
  • the fixed portion 111 and the arc-shaped portion 112 form a hook-shaped structure.
  • the hook opening of the arc portion 112 faces one end of the first base 10 so that when disassembling, the rotating shaft 21 can be disassembled from the hook structure 11 by pressing the elastic part 122.
  • the elastic portion 122 can also be pressed down during installation, and the rotating shaft 21 can be installed to the hook structure 11.
  • FIG. 1 to 3 and 7 there are two hook structures 11, which are arranged symmetrically.
  • the elastic piece 12 is arranged between the two hook structures 11, and the end of the elastic piece 12 is close to the connection between the rotating shaft 21 and the hook structure.
  • the end of the second base 20 is in contact with the elastic end of the elastic sheet 12.
  • the end of the second base 20 squeezes the elastic end of the elastic sheet 12.
  • the elastic portion 122 of the elastic sheet 12 and the second base 20 are basically in surface contact (the elastic portion 122 of the elastic sheet 12 is in squeeze Pressed state). In this state, the first base 10 and the second base 20 are in a locked state. If the first base 10 or the second base 20 is not applied with a torque around the shaft 21, they will not rotate between them .
  • the inner side of the second base 20 presses the elastic end of the elastic sheet 12. Specifically, the second base 20 rotates relative to the first base 10, and the end of the second base 20 squeezes the elastic sheet 12 to rotate until the inner side of the first base 10 is in surface contact with the elastic portion 122 of the elastic sheet 12. In this state, it is also a self-locking state.
  • the second base 20 when the second base 20 can rotate to the outside of the first base 10, the end of the second base 20 squeezes the elastic sheet 12. Since the elastic sheet 12 is a U-shaped structure, after the second base 20 is pressed against the elastic sheet 12, the second base 20 is expanded relative to the first base 10, and the expansion angle of the two can be greater than 90°, so that the first base The base 10 and the second base 20 have a larger deployment angle and a wider application range.
  • the elastic piece 12 may not be fixed on the first base 10, the elastic piece 12 may be detachably connected to the first base 10, which is more convenient to replace the elastic piece 12. Therefore, grooves 123 connected to the hook structure 11 are provided on both sides of the mounting portion 121. The groove 123 is clamped to the bottom of the hook structure 11 so that the elastic sheet 12 can be detachably connected. Since the second base 20 is pressed against the elastic sheet 12, the elastic sheet 12 receives a force toward the first base 10, and the groove 123 is clamped on the lower end of the hook structure 11, so that the elastic sheet 12 is installed parallel to the elastic sheet 12 When the force of the surface is applied, it will not move.
  • the groove 123 is provided with a protrusion 124.
  • the side of the hook structure 11 is provided with a fixing hole 113 connected to the protrusion 124, so that the elastic sheet 12 is fixed on the bottom of the hook structure 11.
  • the first base 10 is provided with a mounting groove 101 for matching the contour of the mounting portion 121 of the elastic sheet 12 so that the mounting portion 121 is embedded in the mounting groove 101.
  • one end of the second base 20 is provided with a recess 201 matching the hook structure 11.
  • the rotating shaft 21 penetrates the recessed portion.
  • the hook structure 11 is located in the recess and is rotatably connected to the shaft 21, so that when the second base 20 and the first base 10 rotate, the end of the second base 20 can contact the elastic sheet 12: the first base 10 and the second base 10
  • the end of the second base 20 squeezes the elastic sheet 12; when the first base 10 and the second base 20 are folded, the inner side of the second base 20 close to the end is squeezed against the elastic sheet 12 Pressure.
  • the elastic portion 122 is provided with a pressing portion, which makes it more convenient to disassemble and assemble the second base 20.
  • a kind of glasses please refer to Figures 1 to 3, 12, including a frame 10A and temples 20A.
  • the mirror frame 10A and the temple 20A are coupled by the above-mentioned elastic rotation mechanism Q.
  • the mirror frame 10A is the first base 10
  • the mirror leg 20A is the second base 20.
  • the elastic rotation mechanism Q can make the mirror leg 20A and the mirror frame 10A more convenient to disassemble, and the more important point is the unfolding of the mirror frame 10A and the mirror leg 20A
  • the angle can be larger and can adapt to different face shapes. Since the second base 20 (ie, the temple 20A) squeezes the elastic sheet 12, the second base 20 is subjected to elastic force, so that the spectacle frame 10A and the temple 20A can clamp the head of a person.
  • the elastic force of the temple 20A to clamp the head can be adjusted according to the material of the shrapnel 12 and the folding angle to ensure the comfort of the guests.
  • the glasses are audio glasses, and the applicability will be better.
  • the electronic parts (such as batteries, circuit boards, speakers, etc.) of the audio glasses are arranged on the temples 20A to facilitate replacement.
  • the spectacle frame 10A can be set into different styles, with different lenses, and different spectacle frames 10A can be replaced in different scenes, so that customers have more choices.
  • the mirror legs 20A and the mirror frame 10A are more convenient to disassemble, so that the mirror legs 20A can be matched with different styles of the mirror frame 10A. There is no need to purchase multiple different styles of audio glasses, which reduces the customer's consumption expenditure.
  • the first base 10 of the present application is rotatably connected with the shaft 21 of the second base 20 through the hook structure 11, and the rotation of the first base 10 and the second base 20 is restricted by the elastic sheet 12 to
  • the rotation between the first base 10 and the second base 20 is elastic, which facilitates the opening or closing of the first base 10 and the second base 20;
  • the hook structure 11 is a hook-shaped structure to facilitate the first base 10 and the second base 20 are disassembled and assembled.
  • the elastic rotation mechanism Q is applied to glasses, so that the temples 20A and frame 10A can be easily disassembled and removed by pressing one end of the elastic piece 12; the temples 20A and frame 10A have a certain elasticity, so that the temples 20A can be opened to suit different people.
  • the face shape is more adaptable and wearing comfort is better.

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
  • Supports Or Holders For Household Use (AREA)

Abstract

本申请公开了一种弹性转动机构和眼镜。一种弹性转动机构，包括第一基座，及与第一基座转动联接的第二基座；第一基座设置有卡钩结构；第二基座设有与卡钩结构转动联接的转轴；第一基座与第二基座之间设有弹片，以使第一基座与第二基座相互转动受制于弹片。本申请第一基座通过卡钩结构与第二基座的转轴转动联接，并且第一基座与第二基座转动受制于弹片，以使第一基座与第二基座之间的转动具有弹力，方便第一基座与第二基座相互打开或收合。本弹性转动机构应用于眼镜中，使得镜腿与镜框拆装方便，按压弹片的一端即可拆卸；镜腿与镜框具有一定的弹力，使得镜腿张开适应不同人的脸型，适应性更强，佩戴舒适性更好。

Description

一种弹性转动机构和眼镜
本申请是以申请号为202020623903.6、申请日为2020年4月22日的中国专利申请为基础，并主张其优先权，该申请的全部内容在此作为整体引入本申请中。
技术领域
本申请涉及光幕，更具体地说是一种弹性转动机构和眼镜。
背景技术
现有眼镜的镜腿相对于镜框张开角度往往是固定的，一般在定制眼镜时，会根据不同人脸或头部的大小来设定。但是，一些特殊的用途的眼镜，比如音频眼镜，现在有的镜腿与镜框的铰接方式不能满足要求。在音频眼镜中，镜腿与镜框很多都是不可拆卸，在不同的场景需要更换不同的镜框时，满足不了客户的需求。
申请内容
本申请的目的在于克服现有技术的不足，提供一种弹性转动机构和眼镜。
为实现上述目的，本申请采用以下技术方案：
一种弹性转动机构，包括第一基座，及与第一基座转动联接的第二基座；所述第一基座设置有卡钩结构；所述第二基座设有与卡钩结构转动联接的转轴；所述第一基座与第二基座之间设有弹片，以使第一基座与第二基座相互转动受制于弹片。
其进一步技术方案为：所述弹片固定于第一基座，并且弹片的弹性端止抵于第二基座，以使第二基座相对于第一基座转动时，第二基座端部挤压弹性端；其中，所述第一基座与第二基座相互拆卸时，所述弹片的弹性端接受挤压，以使转轴与卡钩结构分离。
其进一步技术方案为：所述弹片包括安装部，与安装部连接的弹性部；所述安装部与弹性部的连接处为圆弧过渡，以形成U型结构；所述安装部设置于第一基座；所述弹性部止抵于第二基座的端部。
其进一步技术方案为：所述卡钩结构包括与第一基座固定联接的固定部，与固定部连接的弧形部；所述固定部与弧形部的连接处圆弧过渡；所述弧形部与转轴转动联接；所述固定部与弧形部形成勾状结构；所述弧形部的勾口朝向第一基座的一端。
其进一步技术方案为：所述卡钩结构为二个，并且对称设置；所述弹片设于二个卡钩结构之间，且弹片的端部靠近于转轴与卡钩结构的连接处。
其进一步技术方案为：所述第二基座的端部与弹片的弹性端接触；所述第二基座相对于第一基座打开时，所述第二基座的端部挤压弹片的弹性端；所述第二基座朝向第一基座收合时，所述第二基座的内侧挤压弹片的弹性端。
其进一步技术方案为：所述弹片包括弹性部及安装部；所述安装部两侧设有与卡钩结构联接的凹槽；所述凹槽卡接于卡钩结构的底部，以使弹片可拆卸联接。
其进一步技术方案为：所述凹槽设有凸起部；所述卡钩结构侧边设有与凸起部联接的固定孔。
其进一步技术方案为：所述第二基座一端设有与卡钩结构匹配的凹陷部；所述转轴贯穿凹陷部；所述卡钩结构位于凹陷部内与转轴旋转联接。
一种眼镜，包括镜框及镜腿；所述镜框与镜腿通过上述的弹性转动机构联接；所述镜框为第一基座，镜腿为第二基座。
本申请与现有技术相比的有益效果是：本申请第一基座通过卡钩结构与第二基座的转轴转动联接，并且第一基座与第二基座转动受制于弹片，以使第一基座与第二基座之间的转动具有弹力，方便第一基座与第二基座相互打开或收合；卡钩结构为勾形结构方便第一基座与第二基座拆装。本弹性转动机构应用于眼镜中，使得镜腿与镜框拆装方便，按压弹片的一端即可拆卸；镜腿与镜框具有一定的弹力，使得镜腿张开适应不同人的脸型，适应性更强，佩戴舒适性更好。
上述说明仅是本申请技术方案的概述，为了能够更清楚了解本申请技术手段，可依照说明书的内容予以实施，并且为了让本申请的上述和其它目的、特征及优点能够更明显易懂，以下特举较佳实施例，详细说明如下。
附图说明
图1为本申请的一种弹性转动机构的收合状态示意图；
图2为本申请的一种弹性转动机构的展开状态示意图；
图3为本申请的一种弹性转动机构的向外侧展开状态示意图；
图4为本申请的一种弹性转动机构的弹片立体结构图；
图5为本申请的一种弹性转动机构的弹片仰视图；
图6为本申请的一种弹性转动机构的卡钩结构前视图；
图7为本申请的一种弹性转动机构的卡钩结构与第一基座联接示意图；
图8为本申请的一种弹性转动机构的带有凸起部的弹片立体结构图；
图9为本申请的一种弹性转动机构的带有固定孔的卡钩结构与第一基座联接示意图；
图10为本申请的一种弹性转动机构的弹片与卡钩结构安装示意图；
图11为本申请的一种弹性转动机构的第二基座结构示意图；
图12为本申请的一种眼镜的立体结构图。
具体实施方式
为了使本申请的目的、技术方案及优点更加清楚明白，下面结合附图和具体实施方式对本申请作进一步详细说明。
下面将结合本申请实施例中的附图，对本申请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申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本申请中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不应理解为必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。此外，本领域的技术人员可以将本说明书中描述的不同实施例或示例进行结合和组合。
本实施提供了一种弹性转动机构Q，请参阅图1至3，包括第一基座10，及与第一基座10转动联接的第二基座20。第一基座10设置有卡钩结构11。第二基座20设有与卡钩结构11转动联接的转轴21。第一基座10与第二基座20之间设有弹片12，以使第一基座10与第二基座20相互转动受制于弹片12。
弹片12固定于第一基座10，并且弹片12的弹性端止抵于第二基座20，以使第二基座20相对于第一基座10转动时，第二基座20端部挤压弹性端。第一基座10与第二基座20相互拆卸时，弹片12的弹性端接受挤压，以使转轴21与卡钩结构11分离。
请参阅图4至5，弹片12包括安装部121，与安装部121连接的弹性部122。安装部121与弹性部122的连接处为圆弧过渡，以形成U型结构。安装部121设置于第一基座10，可以为固定联接也可为可拆卸式联接。弹性部122止抵于第二基座20的端部。弹片12为一体型结构，加工较为方便。
优选的，安装部121与弹性部122形成折叠角，折叠角的大小为8至20°。最优选的折叠角为14.5°。折叠角的大小可以调节第二基座20相对于第一基座10的张开度和第二基座20受到的弹力。
请参阅图6至7，卡钩结构11包括与第一基座10固定联接的固定部111，与固定部111连接的弧形部112。固定部111与弧形部112的连接处圆弧过渡。弧形部112与转轴21转动联接。固定部111与弧形部112形成勾形结构。弧形部112的勾口朝向第一基座10的一端，以使得在拆卸时，只要按下弹性部122，就能将转轴21从卡钩结构11拆卸下来。同样，安装时也可以按下弹性部122，转轴21就能安装到卡钩结构11。
请参阅图1至3、7，卡钩结构11为二个，并且对称设置。弹片12设于二个卡钩结构11之间，且弹片12的端部靠近于转轴21与卡钩结构的连接处。
请参阅图1至4，第二基座20的端部与弹片12的弹性端接触。第二基座20相对于第一基座10打开时，所述第二基座20的端部挤压弹片12的弹性端。具体的，当第一基座10与第二基座20处于直角状态或近于直角状态时，弹片12的弹性部122与第二基座20基本处于面接触（弹片12的弹性部122处于挤压状态），此状态下第一基座10与第二基座20处于锁紧状态，如果不对第一基座10或第二基座20施加绕转轴21的力矩，二者之间不会转动。第二基座20朝向第一基座10收合时，所述第二基座20的内侧挤压弹片12的弹性端。具体的，第二基座20相对于第一基座10转动，第二基座20的端部挤压着弹片12转动，直至第一基座10的内侧与弹片12的弹性部122面接触，在此状态下也是为自锁状态。
还有，第二基座20可以向第一基座10的外侧转动时，第二基座20的端部挤压弹片12。由于弹片12为U型结构，所以使得第二基座20挤压弹片12后，第二基座20相对第一基座10展开，可以使二者的展开角度大于90°，这样使得第一基座10与第二基座20具有更加大的展开角度，适用范围更加大。
在别的情况下，请参阅图8至10，为了弹片12可以不是固定在第一基座10上，可以是弹片12与第一基座10可拆卸联接，比较方便更换弹片12。所以，安装部121两侧设有与卡钩结构11联接的凹槽123。凹槽123卡接于卡钩结构11的底部，以使弹片12可拆卸联接。由于第二基座20对于弹片12为挤压状态，所以弹片12受到一个朝向第一基座10的力，凹槽123卡接在卡钩结构11的下端，使得弹片12受到平行于弹片12安装面的力时，也不会发生移动。
优选的，请参阅图8至9，凹槽123设有凸起部124。卡钩结构11侧边设有与凸起部124联接的固定孔113，这样使得弹片12固定在卡钩结构11的底部。
更加优选的，请参阅图7、9，第一基座10设置有用于与弹片12的安装部121轮廓匹配的安装槽101，使得安装部121镶嵌在安装槽101。
请参阅图1至3、11，第二基座20一端设有与卡钩结构11匹配的凹陷部201。转轴21贯穿凹陷部。卡钩结构11位于凹陷部内与转轴21旋转联接，使得第二基座20与第一基座10转动时，第二基座20的端部能与弹片12接触：第一基座10与第二基座20相互展开时，第二基座20的端部挤压弹片12；第一基座10与第二基座20收合时，第二基座20近于端部的内侧与弹片12挤压。
优选的，弹性部122设有按压部，使得拆装第二基座20时更加方便。
一种眼镜，请参阅图1至3、12，包括镜框10A及镜腿20A。镜框10A与镜腿20A通过上述的弹性转动机构Q联接。镜框10A为第一基座10，镜腿20A为第二基座20，弹性转动机构Q可以使得镜腿20A与镜框10A比较方便拆卸，而且更重要的一点是，镜框10A与镜腿20A的展开角度可以更加大，能适应不同的脸型。由于第二基座20（即镜腿20A）挤压弹片12，使得第二基座20受到弹力，进而使得镜框10A、镜腿20A能夹紧人的头部。镜腿20A夹紧头部的弹力，可根据弹片12的材质和折叠角度来调节，以保证客人使用的舒适度。
优选的，本眼镜为音频眼镜，适用性会更加好。
优选的，音频眼镜的电子部分（如电池、电路板、喇叭等）设置于镜腿20A，以方便更换。
镜框10A可以设置成不同的款式，搭配不同的镜片，不同的场景下更换不同的镜框10A，这样使得客户的选择性更多。镜腿20A与镜框10A比较方便拆卸，可以使得镜腿20A搭配不同的款式的镜框10A，不需要购置多个不同款式的音频眼镜，减少客户的消费支出。
与现有技术相比，本申请第一基座10通过卡钩结构11与第二基座20的转轴21转动联接，并且第一基座10与第二基座20转动受制于弹片12，以使第一基座10与第二基座20之间的转动具有弹力，方便第一基座10与第二基座20相互打开或收合；卡钩结构11为勾形结构方便第一基座10与第二基座20拆装。本弹性转动机构Q应用于眼镜中，使得镜腿20A与镜框10A拆装方便，按压弹片12的一端即可拆卸；镜腿20A与镜框10A具有一定的弹力，使得镜腿20A张开适应不同人的脸型，适应性更强，佩戴舒适性更好。
上述仅以实施例来进一步说明本申请的技术内容，以便于读者更容易理解，但不代表本申请的实施方式仅限于此，任何依本申请所做的技术延伸或再创造，均受本申请的保护。本申请的保护范围以权利要求书为准。

Claims (10)

  1. 一种弹性转动机构，包括第一基座，及与第一基座转动联接的第二基座；其特征在于，所述第一基座设置有卡钩结构；所述第二基座设有与卡钩结构转动联接的转轴；所述第一基座与第二基座之间设有弹片，以使第一基座与第二基座相互转动受制于弹片。
  2. 根据权利要求1所述的一种弹性转动机构，其特征在于，所述弹片固定于第一基座，并且弹片的弹性端止抵于第二基座，以使第二基座相对于第一基座转动时，第二基座端部挤压弹性端；其中，所述第一基座与第二基座相互拆卸时，所述弹片的弹性端接受挤压，以使转轴与卡钩结构分离。
  3. 根据权利要求2所述的一种弹性转动机构，其特征在于，所述弹片包括安装部，与安装部连接的弹性部；所述安装部与弹性部的连接处为圆弧过渡，以形成U型结构；所述安装部设置于第一基座；所述弹性部止抵于第二基座的端部。
  4. 根据权利要求1所述的一种弹性转动机构，其特征在于，所述卡钩结构包括与第一基座固定联接的固定部，与固定部连接的弧形部；所述固定部与弧形部的连接处圆弧过渡；所述弧形部与转轴转动联接；所述固定部与弧形部形成勾状结构；所述弧形部的勾口朝向第一基座的一端。
  5. 根据权利要求1所述的一种弹性转动机构，其特征在于，所述卡钩结构为二个，并且对称设置；所述弹片设于二个卡钩结构之间。
  6. 根据权利要求5所述的一种弹性转动机构，其特征在于，所述第二基座端部与弹片的弹性端接触；所述第二基座相对于第一基座打开时，所述第二基座的端部挤压弹片的弹性端；所述第二基座朝向第一基座收合时，所述第二基座的内侧挤压弹片的弹性端。
  7. 根据权利要求6所述的一种弹性转动机构，其特征在于，所述弹片包括弹性部及安装部；所述安装部两侧设有与卡钩结构联接的凹槽；所述凹槽卡接于卡钩结构的底部，以使弹片可拆卸联接。
  8. 根据权利要求7所述的一种弹性转动机构，其特征在于，所述凹槽设有凸起部；所述卡钩结构侧边设有与凸起部联接的固定孔。
  9. 根据权利要求1所述的一种弹性转动机构，其特征在于，所述第二基座一端设有与卡钩结构匹配的凹陷部；所述转轴贯穿凹陷部；所述卡钩结构位于凹陷部内与转轴旋转联接。
  10. 一种眼镜，包括镜框及镜腿；其特征在于，所述镜框与镜腿通过权利要求1至9任一项所述的弹性转动机构联接；所述镜框为第一基座，镜腿为第二基座。
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