JP3050814U - Glasses frame - Google Patents

Abstract

(57) [Problem] To provide an eyeglass frame having a novel hinge mechanism that has a simple structure, is stable, and is easy to attach a decorative member. SOLUTION: In a spectacle frame provided with a mechanism that allows a temple of spectacles to be freely foldable, each forked part of the temple on the spectacle lens side is rotatably fitted into a hole formed in a side surface of the lens. Structure. It is possible to adopt a structure having an opening prevention portion that performs opening prevention by contacting a part of the temple with a part of the lens. The holes formed in the lens side surface may be a pair of non-through holes on the same axis. The shape of the lens may be such that a protrusion is provided on each temple side of the left and right lenses.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a spectacle frame having a special hinge mechanism.

[0002]

[Prior art]

 FIG. 1 shows a hinge portion of an example of conventional glasses. The structure of the spectacles is as follows: hinge 3, temple 4, yoroi 2 which is the connecting part of frame 1 and temple 4, and yoroi 2 and temple 4 are joined to hinge 1 at the end of the front frame 1 supporting the lens. And is usually stopped by screws 5. There are several types of hinges, but in this example, they are joined by "Chiba". In the case of Ji Hing, a part called a piece (a part with a hole for inserting a screw) attached to the temple 4 and the yoroi 2 is fitted, and there is a screw 5 (a hinge screw) and the temple 4 and a temple. Join Yoroy2. Since the joint is the hinge 3, the temple 4 can be folded.

[0003] The example shown here is a bifurcated yoroi, but in many cases, one that is not bifurcated is used. The joining of the spectacle front frame 1 and the yoke 2 is usually performed by brazing.

[0004]

[Problems to be solved by the invention]

 In the conventional eyeglass frame (eyeglass frame), a hinge was attached to the yoro and temple as a temple opening / closing mechanism, and the frame was stopped by tightening a screw on the connection between the two. However, such a structure using a hinge has the following problems. (1) The screws that stop the connecting pieces may become loose. (2) The opening and closing of the temple may be loose. (3) The hinge may be loose. (4) The temple may not be able to open and close smoothly.

[0005] In order to solve such a problem relating to hinges, an eyeglass having a special hinge mechanism has been proposed. There are many examples of a special hinge mechanism. For example, in Japanese Utility Model Registration No. 3008722 “Stemless hinge mechanism for eyeglass temple”, a ring-shaped end that rotates while being sandwiched between opposing convex portions is disclosed. A hinge mechanism combining temples with a section has been proposed. Japanese Patent Application Laid-Open No. 1-172021 discloses an eyeglass frame provided with another hinge mechanism.

[0006] In addition, various hinge mechanisms have been proposed, most of which are formed by bending a metal wire. Although these hinge mechanisms are generally lighter in weight than ordinary hinges, some hinge mechanisms have problems such as a complicated structure and a lack of structural stability. The problem to be solved by the present invention is to provide a spectacle frame having a novel hinge mechanism that has a simple structure, is stable, and is easy to attach a decorative member. Another object of the present invention is to provide eyeglasses having a structure in which a temple can be easily replaced.

[0007]

[Means for Solving the Problems]

 In order to solve the above-mentioned problem, the present invention provides a spectacle frame having a mechanism that allows a temple of spectacles to be freely folded, wherein each of the forked ends of the temple on the spectacle lens side is opened to a side surface of the lens. The hole is rotatably inserted into the hole.

[0008] Further, a structure may be provided that includes an opening preventing portion that partially stops the temple by contacting a part of the temple with a part of the lens. The holes formed in the side surface of the lens may be a pair of non-through holes on the same axis. The shape of the lens may be a shape in which a protrusion is provided on each temple side of the left and right lenses.

In the temple of glasses, an opening stop mechanism for inhibiting the temple from opening beyond a certain angle is required. For this reason, in the present invention, a part of the temple that fits into the non-through hole is bent, and when the temple is opened, the bent temple part hits a part of the lens so that it can not be further opened. .

In order to smoothly open and close the temple and to enable stable mounting, a pair of non-through holes provided in the lens are formed on the same axis. In addition, the temple is designed in a U-shaped state so that a stable state (a state in which it is difficult to attach and detach) can be maintained when the temple is fitted into the non-through hole.

[0011] Furthermore, by providing a buffer resin layer on the rotation surface between each of the forked ends of the temple on the spectacle lens side and the hole formed in the lens side surface, smoother rotation can be obtained. . As the resin to be used, a resin having lubricity is appropriate, and a silicon resin or the like is used. The resin may be provided on the end surface of the temple and fitted therein, or may be fitted with a buffer layer provided inside a hole formed in the lens.

[0012]

[Embodiment of the invention]

 An embodiment of the present invention will be described with reference to the drawings. FIG. 2 is an explanatory view showing an example of the hinge structure of the eyeglass frame of the present invention. Two non-through holes 7 are opened in the lens 6. On the other hand, a forked fitting portion 8 is provided at the end of the temple 4. The hinge mechanism is formed by fitting the fitting portion 8 into the non-through hole 7. As shown in FIG. 2A, the forked fitting portion 8 is expanded in the direction of the arrow and fitted into the non-through hole 7. If the bifurcated portion 8 of the temple is made of a material having elasticity, the attachment is stable and the temple can be freely removed.

FIG. 2B shows a state in which the temple 4 is attached to the lens 6. At this time, when the temple 4 is opened, the contact portion 9 comes into contact with a part of the lens so as to have an opening preventing function. The degree of opening of the contact portion 9 can be adjusted according to the individual difference depending on the bending degree of the contact portion 9.

FIG. 2 shows an example in which the hinge mechanism of the present invention is applied to a lens having a normal shape. FIG. 3 shows an example in which one end of the lens on the temple side is projected. A non-through hole 7 is formed in the projecting portion 10 of the lens 6, and the fitting portion 8 of the temple 4 is fitted therein. At this time, as in the example of FIG. 2, the contact portion 9 of the temple comes into contact with the protrusion 10 of the lens, thereby functioning as a stopper. This opening is adjusted by the degree of bending of the contact portion 9 so that the opening becomes approximately 90 degrees as shown in FIG. Of course, it is also possible to keep the bending degree of the contact portion 9 constant and adjust the opening degree at the branch portion of the temple 4.

[0015] A pair of non-through holes provided in the lens need to be on the same axis, but as the most stable form, it is usually appropriate to open in a substantially vertical direction when wearing spectacles. For example, FIG. 5 shows an example of a case in which non-penetration is provided for a lens 6 having a normal shape. When the direction in which the lens 6 is set up (the direction along the lens surface) is vertical, A non-penetration hole 7 is opened near this vertical direction. In the example shown in the figure, the pair of non-through holes 7 are arranged on the same axis, so that the rotation of the temple is smooth and stable mounting is possible.

The opening and closing of the glasses can be made smoother by extending the rotation surface by coating the lubricating resin with a lubricating resin or by forming a buffer resin layer by interposing a lubricating resin member, thereby increasing the aggressiveness of the opening and closing. Can last for hours. As the resin forming the buffer resin layer, a lubricating resin such as a silicon resin is desirable. FIG. 6 shows an example in which the temple end 8 is coated with the buffer resin layer 11. FIG. 7 shows an example in which a buffer resin layer 12 is formed on the inner surface of a hole provided in a lens.

[0017]

[Effect of the invention]

 By using the hinge mechanism of the present invention, it is possible to use metal materials having poor brazing properties, such as superelastic alloys and shape memory alloys, as they are. Since it is a simple form that does not use the front frame of the spectacles, the nose, hinges, screws, etc., there is no brazing point for the spectacle frame, fewer parts are used, and the work process can be saved. Therefore, it can be manufactured at low cost and becomes a very light eyeglass frame. In addition, there is an effect that the temple can be freely formed without being limited to the lens shape, and that the temple can be easily replaced.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a structure of eyeglasses using a hinge according to the related art.

FIG. 2 is an explanatory view showing an example of the hinge mechanism of the present invention.

FIG. 3 is an explanatory view showing an example of the hinge mechanism of the present invention.

FIG. 4 is an explanatory view showing an example of the hinge mechanism of the present invention.

FIG. 5 is an explanatory view of an example of a non-through hole of the lens of the present invention.

FIG. 6 is an explanatory view of a temple end provided with a buffer layer in the spectacle frame of the present invention.

FIG. 7 is an explanatory view of a hole of a lens provided with a buffer layer in the spectacle frame of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Eyeglass front frame (frame) 2 Yoroi 3 Hinge 4 Temple 5 Screw 6 Lens 7 Non-through hole provided in lens 8 Temple forked fitting part 9 Contact part 10 Lens protrusion 11 Buffer resin layer 12 Buffer resin layer

Claims (8)

[Utility model registration claims] 1. A spectacle frame having a mechanism that allows a temple of spectacles to be freely folded, wherein each of the forked ends of the temple on the spectacle lens side is rotatably fitted into a hole formed in a side surface of the lens. An eyeglass frame, comprising: an opening stopper that is inserted and a part of the temple comes in contact with a part of the lens to stop the lens from opening. 2. A pair of spectacle frames provided with a mechanism that allows a temple of spectacles to be freely folded, wherein each of the two forked ends of the temple on the spectacle lens side is opened on a side surface of the pair of lenses on a pair of substantially coaxial axes. An eyeglass frame, comprising: an opening stopper portion rotatably fitted into a non-through hole, wherein a part of the temple comes into contact with a part of the lens to stop the lens from opening. 3. A spectacle frame provided with a mechanism that allows a temple of spectacles to be freely folded, wherein left and right lenses have a shape provided with a projection on each temple side, and are divided into two forks on the spectacle lens side of the temple. Each of the temples is provided with an opening stopper that rotatably fits into a hole formed in a lens side surface of the protrusion, and a part of the temple comes into contact with a part of the lens to prevent the lens from opening. An eyeglass frame characterized by the above. 4. A spectacle frame provided with a mechanism that allows a temple of spectacles to be freely folded, wherein left and right lenses have a shape provided with a protrusion on each temple side, and are divided into two forks on the spectacle lens side of the temple. Each tip is rotatably inserted into a pair of non-through holes on the same axis formed on the side surface of the lens of the projection, and a part of the temple comes in contact with a part of the lens to prevent the lens from opening. An eyeglass frame, comprising: an opening stop portion. 5. A spectacle frame provided with a mechanism that allows a temple of spectacles to be freely folded, wherein each of the bifurcated distal ends of the temple on the spectacle lens side is inserted into a hole formed in a lens side surface via a buffer resin layer. An eyeglass frame, comprising: an opening stop portion that is rotatably fitted and partly contacts the part of the lens to stop the opening. 6. A pair of spectacle frames provided with a mechanism that allows a temple of spectacles to be freely folded, wherein each of the bifurcated ends of the temple on the spectacle lens side is formed on a pair of substantially coaxial axes opened to the side surface of the lens. An eyeglass frame, comprising: an opening stopper portion rotatably fitted into a non-through hole via a buffer resin layer, wherein a part of the temple comes into contact with a part of the lens to prevent the lens from opening. 7. A spectacle frame provided with a mechanism that allows a temple of spectacles to be freely folded, wherein left and right lenses have a shape provided with a protrusion on each temple side, and are divided into two forks on the spectacle lens side of the temple. Each tip is rotatably inserted through a buffer resin layer into a hole formed in the side surface of the lens of the projection, and a part of the temple comes in contact with a part of the lens to stop the opening. An eyeglass frame comprising a stopper. 8. A spectacle frame provided with a mechanism that allows a temple of spectacles to be freely folded, wherein left and right lenses have a shape provided with a projection on each temple side, and are divided into two forks on the spectacle lens side of the temple. Each tip is rotatably inserted via a buffer resin layer into a pair of non-through holes on the same axis formed on the lens side surface of the protruding portion, and a part of the temple is part of the lens. An eyeglass frame, comprising: an opening stopper that contacts and stops the opening.