JP3014209U - Eye mirror - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide eyeglasses with low cost and simple structure. [Structure] The vine portion 2 and the lens body 1 are detachably connected via a hinge portion 3. The hinge portion 3 is composed of the groove portion 300, the tip crack portion 301, the engagement hole 302a and the engagement protrusion 303a, and is simply inserted into the groove portion 300 while elastically deforming the tip crack portion 301 inward. It is assumed that the engagement hole 302a and the engagement protrusion 303a engage with each other, whereby the lens body and the vine portion are connected with one touch.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to low-cost and simple-structured spectacles used for presbyopia or myopia.

[0002]

[Prior art]

 Conventionally, this type of spectacles is composed of a lens body, a vine and a hinge, the lens body and the vine are integrally connected via the hinge, and the vine is attached to the lens body side by the hinge. It is configured so that it can be folded.

As such a hinge portion, one having a screw for connecting the lens body and the vine portion at the center is adopted.

[0004]

[Problems to be solved by the device]

 However, in conventional spectacles, the connection between the lens body and the vine is due to the screw on the hinge as described above, so screwing work is required in the manufacturing process, and the number of parts is large. Therefore, there are problems that the manufacturing cost is high and the structure is complicated.

The present invention has been made in view of the above circumstances, and an object thereof is to provide eyeglasses having a low cost and a simple structure.

[0006]

[Means for Solving the Problems]

 In order to achieve the above object, a device according to claim 1 has a lens body provided with a lens portion for presbyopia, a vine portion arranged on both sides of the lens body, and a tip of the vine portion. A spectacle comprising a hinge part which is detachably connected to an edge part of the lens body and which serves as a rotation axis of the vine part when the vine part is folded to the lens body side, wherein the hinge part is A groove formed on the edge of the lens body, a bifurcated tip cracked portion provided on the tip side of the vine and inserted into the groove, and an inner engagement portion formed on the side wall of the groove. And an outer engagement portion that is integrally provided on the outer circumference of the first cracked portion and that rotatably engages the inner engagement portion.

According to a second aspect of the present invention, there is provided a lens body including a lens portion for presbyopia, a vine portion arranged on both sides of the lens body, a tip of the vine portion and an edge portion of the lens body. Eyeglasses including a hinge portion that is a pivot axis of the vine when the vine portion is detachably connected and the vine portion is folded toward the lens body side, and the hinge portion is an edge portion of the lens body. A groove formed in the groove, a bifurcated tip crack provided on the tip side of the vine and inserted into the groove, an inner engagement portion formed on a side wall of the groove, and the tip crack. An outer engaging portion that is integrally provided on the outer circumference of the outer engaging portion and that rotatably engages with the inner engaging portion.The inner engaging portion serves as an engaging hole while the outer engaging portion engages. The feature is that it is a protrusion.

[0008]

[Action]

 In this invention, the tip of the vine is pinched with a finger, the tip crack is elastically deformed inward, the tip is inserted into the groove as it is, and then the finger is released from the tip of the vine. The tip crack portion elastically returns, and this restoring force presses the groove portion from the inside, and at the same time, both the inner and outer engaging portions engage with each other, thereby connecting the lens body and the vine portion.

That is, according to the present invention, the inner and outer engaging portions are engaged with each other only by a simple operation of inserting the cracked portion inward into the groove while elastically deforming the tip portion, whereby the lens body and the vine portion are engaged. Are connected with one touch.

After attaching the vine to the lens body, when removing the vine from the lens body, pinch the tip of the vine with a finger as in the case of attachment to elastically deform the tip crack inward. It suffices to pull the cracked portion out of the groove as it is.

[0011]

【Example】

 An embodiment of the spectacles according to the present invention will be described below in detail with reference to FIGS.

This spectacle has a lens body 1 as shown in FIG. 1. The lens body 1 is provided with a pair of left and right lens parts 100, 100 for presbyopia and the like, and the lens parts 100, 100 are a pair of outer sides. It is located between the frame parts 101, 101 and the intermediate frame part 102 located in the middle of the frame parts 101, 101, and is integrally provided with these frame parts 101, 101, 102.

A bending frame portion 103 is integrally provided on the outer periphery of the outer frame portion 101, and the bending frame portion 103 is formed so as to bend from the outer frame portion 101 to the back side of the lens body 1 at a substantially right angle. (See FIG. 2).

The lens main body 1 has a pair of left and right vines 2 and 2 on both sides, and the vine 2 can be connected to the lens main body 1 via a hinge 3, and the hinge 3 has a groove 300 and a tip crack 301. , Both the inner and outer engaging portions 302 and 303.

The groove portion 300 is located at the edge portion of the lens body 1 and is formed in the bent frame portion 103 as shown in FIG.

The cracked portion 301 is provided at the tip of the vine portion 2 and is formed in a bifurcated shape. That is, one slit 304 is cut in the tip side of the vine portion 2, and the slit 304 forms a bifurcated tip split portion 301.

The inner engagement portion 302 is composed of a pair of engagement holes 302a, 302a. These engagement holes 302a, 302a are formed in the side wall of the groove portion 300, and their opening ends are opposed to each other. It is provided.

The outer engagement portion 303 is composed of a pair of engagement protrusions 303 a and 303 a, and these engagement protrusions 303 a and 303 a are integrally formed on the outer periphery of the tip split portion 301 and are respectively formed in the engagement holes 302 a and 302 a. It is provided to rotatably engage (see FIG. 3). As described above, the engaging protrusions 303a and 303a are not provided on the inside of the fork, but on the outside, and are provided at the target positions with the slit 304 interposed therebetween.

In the hinge portion 3 having such a configuration, the engagement hole 302a and the engagement protrusion 303a are engaged with each other in the state where the tip portion 301 is inserted into the groove portion 300, whereby the lens body 1 and the vine portion 2 are engaged. In addition to the integration, when the vine portion 2 is folded to the lens body 1 side, the engagement protrusion 303a serves as a rotation axis of the vine portion 2, and the vine portion 2 can be folded based on the engagement protrusion 303a. Further, when the engagement between the engagement hole 302a and the engagement projection 303a is released, the lens body 1 and the vine portion 2 can be separated independently.

In short, the hinge portion 3 can detachably attach the vine portion 2 to the edge portion of the lens body 1 by engaging and releasing the engagement hole 302a and the engagement protrusion 303a, and the vine portion. When the portion 2 is folded toward the lens body 1, it also serves as a rotation axis of the vine portion 2.

In addition, from the viewpoint of preventing the eyeglasses from falling off during wearing, the vine portion 2 may be provided with a non-slip hairline.

Hereinafter, a usage example of the eyeglasses configured as described above will be described with reference to FIG.

According to this spectacle, when the vine portion 2 is attached to the lens body 1, the tip of the vine portion 2 is pinched with a finger to elastically deform the tip crack portion 301 inward, and the tip crack portion 301 is directly held. After inserting into the groove portion 300, the finger may be released from the tip of the vine portion 2.

When the finger is released as described above, the tip portion 301 elastically returns, and the returning force pushes the groove portion 300 from the inside, and at the same time, the engagement hole 302a and the engagement protrusion are simultaneously pressed. The lens body 1 and the vine portion 2 are connected to each other via the hinge portion 3 by engaging with the lens portion 303a.

When detaching the vine portion 2 from the lens body 1, the tip of the vine portion 2 is pinched with a finger to elastically deform the cracked portion 301 inward, and the cracked portion 301 is pulled out of the groove portion 300 as it is. Good.

That is, according to the eyeglasses of the above-described embodiment, the engaging hole 302a and the engaging protrusion 303a are engaged only by a simple work of inserting the tip crack portion 301 into the groove portion 300 while elastically deforming the tip crack portion 301 inward. As a result, the lens body 1 and the vine portion 2 are connected with one touch. For this reason, the screw for connecting the lens body 1 and the vine portion 2 and the work for fixing the screw are omitted, so that the manufacturing cost can be reduced and the structure can be simplified.

[0027]

[Effect of device]

 In the eyeglasses according to the present invention, the inner engagement portion is formed on the side wall of the groove portion as described above, while the outer engagement portion that engages with the inner engagement portion is integrally provided on the outer periphery of the cracked portion. For this reason, both the inner and outer engagement parts engage with each other, and the lens body and the vine part are connected in a one-touch operation, simply by inserting the cracked part inward into the groove while elastically deforming it. Therefore, the screw for connecting the lens body and the vine and the work for fixing the screw can be omitted, so that the manufacturing cost can be reduced and the structure can be simplified, and the low-cost spectacles having a simple structure can be provided.

In the device according to the second aspect, the same effect as the above can be obtained.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of an embodiment of eyeglasses according to the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a view on arrow A in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lens main body 2 Vine part 3 Hinge part 300 Groove part 301 Cracked part 302 Inner engagement part 302a Engagement hole 303 Outer engagement part 303a Engagement protrusion

Claims (2)

[Scope of utility model registration request] 1. A lens body provided with a lens portion for presbyopia, a vine portion arranged on both sides of the lens body, and a tip of the vine portion and an edge portion of the lens body are detachably connected. In addition, when folding the vine toward the lens body side, the eyeglasses include a hinge that serves as a rotation axis of the vine, wherein the hinge includes a groove formed on an edge of the lens body and the vine. Provided on the tip side of the portion, and is a bifurcated tip crack portion inserted into the groove portion, an inner engagement portion formed on the side wall of the groove portion, and integrally provided on the outer periphery of the tip crack portion, And spectacles characterized by comprising an outer engagement portion that rotatably engages with the inner engagement portion. 2. A lens body including a lens portion for presbyopia, a vine portion disposed on both sides of the lens body, and a tip of the vine portion and an edge portion of the lens body are detachably connected. In addition, when folding the vine toward the lens body side, the eyeglasses include a hinge that serves as a rotation axis of the vine, wherein the hinge includes a groove formed on an edge of the lens body and the vine. Provided on the tip side of the portion, and is a bifurcated tip crack portion inserted into the groove portion, an inner engagement portion formed on the side wall of the groove portion, and integrally provided on the outer periphery of the tip crack portion, And an outer engagement portion that rotatably engages with the inner engagement portion, the inner engagement portion serving as an engagement hole, and the outer engagement portion serving as an engagement protrusion. glasses.