JP3036301U - Double frame glasses - Google Patents

Abstract

(57) [Abstract] [Problem] Since a magnet is exposed in front of a base frame, the design of the base glasses (base frame) is impaired. An attachment 8 is interposed between a spectacle lens 1 and a tip 7. This attachment 8 has a mounting hole 8a communicating with the coupling hole 1a of the spectacle lens 1 on one end side and a magnet holding portion 8b on the other end side. Therefore, by simply overlapping the magnet holding portion of the front frame with the magnet holding portion 8b of the base frame, the magnets attract each other and the front frame such as sunglasses can be easily attached to the front surface of the base frame. Moreover,
The magnet holding portions 8b and 8b of the base frame can be easily attached to the eyeglasses through the attachment 8 without brazing, and the magnet holding portions 8b and 8b are arranged inside the wisdom 7 or the temple 2, There is no noticeable appearance.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to an improvement of double-framed eyeglasses, and more specifically, it relates to eyeglasses that are also equipped with detachable sunglasses using magnets, and in particular, the front frame can be attached more easily and securely without damaging the appearance of the base frame. Regarding double-frame glasses that can be.

[0002]

[Prior art]

 Conventionally, double-frame glasses using such magnets are known as a conventional example, for example, those disclosed in Japanese Patent Laid-Open No. 7-128620. As shown in FIG. 8, the detachable sunglasses in this conventional example form a templeless sunglasses B, and magnets 18, 18 are attached to both ends of a frame (front frame) 17 of the sunglasses, and other glasses frames (base) are attached. Magnets 19 and 19 are attached to both ends of the frame A, and the sunglasses B without temples are detachably attached to the spectacle frame A.

[0003]

[Problems to be solved by the device]

 However, in the detachable sunglasses disclosed in JP-A-7-128620 described above, the magnets 19, 19 are exposed at both front ends of the base frame A. In other words, the front frame B is particularly attached. In a state in which the magnets 19 and 19 are not present, the magnets 19 and 19 appear in front of the frame, so that the design of the spectacles (base frame) A as a base is impaired.

The present invention has been made in view of these problems, and particularly useful double-frame eyeglasses that can be easily equipped with a front frame such as sunglasses without impairing the original design of the base eyeglasses (base frame). It is intended to provide

[0005]

[Means for Solving the Problems]

 In order to solve the above-mentioned conventional problems and achieve the intended purpose, the structure which is the gist of the present invention is a base frame for holding a pair of left and right eyeglass lenses and a temple, and a magnet or the like for the base frame. In double-frame glasses including a front frame such as a sunglass that is detachably mounted via a fastening member, the fastening member is arranged inside the tip or temple through an attachment of a predetermined shape. It exists in double frame glasses.

Further, the attachment has a mounting hole communicating with a connecting hole of the spectacle lens at one end side thereof, and a magnet holding portion at the other end side thereof, and is detachably disposed inside the wisdom or temple. Is good.

Further, it is preferable that at least the connecting hole of the spectacle lens and the connecting hole of the connecting member such as a screw inserted into the connecting hole and / or the attachment hole of the attachment are formed so as not to rotate relative to each other.

In the double-frame eyeglasses of the present invention having the above-described structure, the fastening member is disposed inside the temple or the temple through the attachment of a predetermined shape, so that the fastening member such as a magnet is stopped. The attachment member can be attached to the base frame without being noticeable from the outside.

Further, the attachment has a mounting hole communicating with a connecting hole of the spectacle lens on one end side and a magnet holding portion on the other end side, and is detachably disposed inside the wisdom or temple. This saves the labor of conventional brazing, and allows the front frame to be selectively attached to the eyeglasses (base frame) through the attachment when the front frame is needed or only by the person who needs the front frame. The versatility of can be improved.

Furthermore, if at least the connecting hole of the spectacle lens and the connecting member such as a screw inserted into the connecting hole and / or the attachment mounting hole of the attachment are formed in a non-rotatable shape, the spectacle lens can be formed. Since the connecting member does not rotate within the provided connecting hole, the edge of the connecting hole is less likely to be damaged by the connecting member, and the temples and attachments are prevented from rotating without interposing other members. Become.

[0011]

[Embodiment of the invention]

 Next, an embodiment of the double-frame glasses according to the present invention will be described with reference to the drawings. FIG. 1 is a front view showing a base frame A of the present invention. The base frame A is composed of so-called two-point type rimless spectacles, and has a square connection formed on left and right spectacle lenses 1, 1. The holes 1a and 1a (see FIG. 3) and the connecting members 3 and 3 which are inserted into the connecting holes 1a and 1a to firmly connect the temples 2 and 2 are provided.

The connecting members 3 and 3 include a large-diameter angular shaft portion 3a fitted in the connecting holes 1a of the spectacle lens 1 and a screw projecting from the lower end side of the angular shaft portion 3a. After inserting the synthetic resin annular bushes 4 and 4 into the connecting holes 1a and 1a, the screw portion 3b protruding to the rear surface side of the spectacle lens 1 is inserted from the back side of the lens 3a. The screw 5 and the nut 6 are screwed and tightened.

Further, the angular shaft portion 3 a has a quadrangular cross section so as to be fitted into the connection hole 1 a in a non-rotatable manner, and has a length substantially equal to the thickness of the spectacle lens 1. It has

Therefore, only by inserting the connecting member 3 into the connecting hole 1a, the angular shaft portion 3a is closely aligned in the connecting hole 1a, and the spectacle lens 1 and the temple 2 are aligned. The attachment 8 which will be described later is axially fixed to the non-rotatable state.

Moreover, at the time of the screwing operation with the nut 6, the screw portion 3b does not rotate (idle) in the connection hole 1a, so that the edge portion of the connection hole 1a is less likely to be damaged. The efficiency of assembly work can be improved.

Further, an attachment 8 is interposed between the spectacle lens 1 and the wisdom 7. This attachment 8 has an attachment hole 8a communicating with the connection hole 1a of the spectacle lens 1 on one end side and a magnet holding portion 8b on the other end side.

The mounting hole 8a is formed to have the same shape and size as the connecting hole 7a of the wisdom 7, and when fitted to the spectacle lens 1, the mounting hole 8a is aligned so as to be hidden behind the wisdom 7, The holding portion 8b is also positioned.

The magnet holding portion 8b is composed of a ring-shaped body that penetrates in the vertical direction, and the magnet 8c formed into a bipolar columnar body is mounted therein. The magnet 8c is mainly formed of a neodymium (Nd) -based rare earth magnet, a samarium (Sm) -based rare earth magnet, or the like. Ni) A surface treatment is applied by a plating method.

On the other hand, as shown in FIGS. 4 to 5, the front frame B is composed of an ophthalmic frame without temples, and colored eyeglass lenses 9, 9 such as sunglasses are attached thereto.

Magnets 10, 10 are attached to both ends of the front frame B. The magnets 10, 10 are provided on a frame 11 mounted to hold the upper ends of the spectacle lenses 9, 9 via magnet holding portions 12, 12 so as to project inside the magnet holding portions 8b, 8b. The magnets 8c and 8c are respectively attracted.

Incidentally, the spectacle lenses 9 and 9 and the frame 11 are screwed into square holes (not shown) formed in the lenses 9 and 9 through square screws 13 and 13 and the like, Needless to say, the magnets 10 and 10 are formed of the neodymium (Nd) rare earth magnet or the samarium (Sm) rare earth magnet described above.

As shown in FIGS. 6 to 7, the double frame spectacles of the present invention configured as described above have the magnet holders 8b and 8b of the base frame A and the magnet holders 12 and 12 of the front frame B, respectively. By only superposing them, the magnets 8c and 10 are attracted to each other and the front frame B such as sunglasses can be easily attached to the front surface of the base frame A. As in the conventional case, the glasses and the sunglasses can be replaced one by one. No need.

Moreover, since the magnet holding portions 8b, 8b can be easily attached through the attachment 8 without brazing, the magnet holding portions 8b, 8b can be attached to existing glasses. Since 8b is detachably mounted inside the wisdom 7 or temple 2, it can be attached to the base frame A without being noticeable from the outside.

The present invention is not limited to these embodiments, and can be modified in design within the scope of the object of the present invention, and the present invention includes all of them. For example, in the present embodiment, the screw portion 3 is inserted into the coupling hole 1a of the spectacle lens 1 with the annular bush 4 made of synthetic resin interposed, but the invention is not limited to this. An appropriate coupling means such as fixing the angular shaft portion 3a in the connecting hole 1a with an adhesive so as to eliminate the need for the screw portion 3b, or press-fitting and fixing the free end portion of the angular shaft portion 3a in the connecting hole 1a. May be adopted.

Further, the connecting hole 1a provided in the spectacle lens 1 is not limited to the rectangular hole shape shown in this embodiment, and may be formed in an elliptical shape in addition to a triangular shape, a pentagonal shape, or the like. In short, any hole shape may be adopted as long as the connecting hole 1a, the angular shaft portion 3a, and the mounting hole 8a of the attachment 8 are in a non-rotatable relationship with each other.

Further, the double-frame eyeglasses of the present invention are limited in size and shape of eyeglass parts such as the base frame A, the front frame B, the eyeglass lenses 1 and 9, the temples 2 and the attachment 8 shown in this embodiment. It goes without saying that a wide variety of things can be used, not just things. In the figure, 14 is a bridge, and 15 is a nose pad.

[0027]

[Effect of the invention]

 In the double-frame eyeglasses according to the present invention, the fastening member is disposed inside the tip or temple through the attachment of the predetermined shape, so that the fastening member such as the magnet is not conspicuous from the outside. Since it is attached to the front frame (base frame), it has the effect of not impairing the original design of the base frame, and it is easy to change only the front frame according to fashion and mood without changing the glasses. Can be exchanged for.

Further, the attachment is provided with a mounting hole communicating with the coupling hole of the spectacle lens on one end side and a magnet holding portion on the other end side, and is detachably disposed inside the wisdom or temple. As a result, the conventional brazing work can be omitted, and only when the front frame is needed or only by the person who needs it, the front frame can be selectively attached to the spectacles (base frame) through the attachment, and the existing ophthalmoscope can be used. It also has the effect that it can be easily adopted, and it is possible to enhance the versatility of square-hole eyeglasses.

Further, if at least the connecting hole of the spectacle lens and the connecting member such as a screw inserted into the connecting hole and / or the attachment mounting hole of the attachment are formed in a mutually non-rotatable shape, the spectacle lens can be formed. Since the connecting member does not rotate in the provided connecting hole, the edge of the connecting hole is less likely to be damaged by the connecting member, and the temples and attachments are prevented from rotating without interposing other members. It is possible to further improve the efficiency of the assembly work.

As described above, according to the present invention, it is necessary to fix a separate front frame by brazing a magnet to a fixed portion of a base frame as in the conventional case without spoiling the original appearance of the eyeglasses. Besides, it is suitable for mass production due to its simple structure, and can be supplied to users as low price.

[Brief description of the drawings]

FIG. 1 is a front view showing a base frame of double-frame glasses according to the present invention.

FIG. 2 is a plan view of the base frame.

FIG. 3 is an exploded perspective view of an attachment and a temple used in this embodiment.

FIG. 4 is a front view showing the front frame of the double-frame glasses according to the present invention.

FIG. 5 is a plan view of the front frame.

FIG. 6 is a front view showing a state in which a front frame is attached to a base frame according to the present invention.

FIG. 7 is a plan view showing a front frame attached to a base frame according to the present invention.

FIG. 8 is an explanatory diagram showing conventional double frame glasses.

[Explanation of symbols]

 A base frame B front frame 1 eyeglass lens 1a connecting hole 2 temple 3 connecting member 3a angular shaft portion 3b screw portion 4 annular bush 5 washer 6 nut 7 wisdom 8 attachment 8a mounting hole 8b magnet holding portion 8c magnet 9 colored eyeglass lens 10 magnet 11 frame 12 magnet holding part 13 square screw 14 bridge 15 nose pad

Claims (3)

[Utility model registration claims] 1. A double comprising a base frame for holding a pair of left and right spectacle lenses and a temple, and a front frame such as sunglasses detachably attached to the base frame via a fastening member such as a magnet. In the frame spectacles, the fastening member is arranged inside the wisdom or temple through an attachment of a predetermined shape. 2. The attachment has a mounting hole communicating with a connecting hole of a spectacle lens on one end side, and a magnet holding portion on the other end side, and is removably disposed inside the tip or temple. The double-framed spectacles according to claim 1, wherein 3. A connection hole of at least a spectacle lens and a connection member such as a screw inserted into the connection hole and / or a mounting hole of an attachment are formed in a mutually non-rotatable shape. And double frame glasses.