JPH0734421U - Eye mirror - Google Patents

Abstract

(57) [Summary] [Object] To provide eyeglasses having excellent portability by connecting a plurality of lens portions by connecting a frame portion and a lens portion with a detachable coupling means. [Structure] The frame 1 has left and right lens frames 11 and 11 that are slightly curved upward in the front surface, and a connecting portion 12 that connects between the lens frames 11. The lens portion 2 is integrally formed into a shape in which the left and right lenses 21 and 21 and a support portion 22 extending in the lateral direction at the upper portion are connected. The support portion 22 extends rearward, and lateral grooves 23, 23 extending in the lateral direction are formed on the bottom surface of the extension portion. Horizontal groove 23
Are formed so as to fit into the lens frame 11 of the frame 1. Further, the tongue portion 24 formed on the lens portion 2 is inserted into the rear surface side of the connecting portion 12 so as to auxiliaryly hold the vertical posture of the lens portion 2.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to eyeglasses, and more particularly to eyeglasses that can be used for various purposes.

[0002]

[Prior art]

 BACKGROUND ART Conventionally, eyeglasses include a lens unit adjusted to have specific optical characteristics according to the purpose of use, and a frame that supports the lens unit and is worn by a user. The lens part is attached to the front part of the frame by fitting or the like. The spectacles include spectacles for correcting myopia, hyperopia, astigmatism, etc., and protective spectacles for blocking ultraviolet rays, preventing glare, dust, water, wind and snow. The lens portion is made of glass or synthetic resin depending on the application. In addition to being practical, the frame also has elements as an accessory, and various types are manufactured. Special ones include rimless glasses, folding glasses, front spectacles, rear spectacles, and flip-up spectacles.

[0003]

[Problems to be solved by the device]

 In the above-mentioned conventional eyeglasses, since the lens portion and the frame are fixed, when a plurality of eyeglasses such as ordinary eyeglasses and sunglasses are used properly, it is necessary to carry all the required number of eyeglasses, It was bulky and inconvenient. In addition, in recent years, expensive frames such as special alloy frames are often used, and when manufacturing a frame that matches the user's head, the manufacturing cost will increase, so multiple glasses should be used. Owning it is a huge expense. Therefore, the present invention solves the above problems, and an object thereof is to provide eyeglasses that can be used for various purposes by one frame.

[0004]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, in a spectacle having a frame portion and a lens portion, the means taken by the present invention is to provide a coupling means for detachably attaching the frame portion and the lens portion. In this case, as the coupling means, when the groove portion is formed in the lens portion along the frame portion so as to open downward and fit into the frame portion from above, the contact surface between the lens portion and the frame portion There may be cases where they are magnetic coupling parts that are formed so that they can be magnetically coupled to each other, and there are cases where they are surface fasteners that are formed on the contact surfaces of the lens part and the frame part and that can be engaged with each other. is there.

[0005]

[Action]

 According to such means, the lens portion can be easily attached to and detached from the frame portion, so that the lens portion can be easily replaced and different kinds of lens portions can be replaced and used.

[0006]

【Example】

 Next, an embodiment of eyeglasses according to the present invention will be described with reference to the drawings. [First Embodiment] FIG. 1 shows a structure of a first embodiment according to the present invention. The frame 1 connects the left and right lens frames 11 and 11 which are curved slightly upward in the front upper part, and the connecting portion 12 which is connected between the left and right lens frames 11 and which is curved slightly downward and forward, and the lens frame 11. The left and right bent portions 13 and 13 connected to the left and right ends and bent backward, the left and right ear hanging frames 14 and 14 connected to the bent portion 13, and the ear hanging frame 14 and the bent portion 13 are rotatable. Hinge portions 15 and 15 connected to each other, ear hook covers 16 and 16 that cover the rear end of the ear hook frame 14, left and right support shafts 17 and 17 extending downward from the lower portion of the connection portion 12, and the support shafts. Support plates 18 and 18 connected to the tip of 17.

The lens portion 2 is integrally formed in a shape in which the left and right lenses 21 and 21 and a support portion 22 extending in the lateral direction at the upper portion are connected. The support portion 22 extends rearward from the lens 21, 21, and left and right lateral grooves 23, 23 are formed on the bottom surface of the extension portion. The lateral groove 23 is arranged behind the left and right lenses 21, and is formed in a predetermined width, length and position matched with the shape of the lens frame 11 so as to be fitted over the lens frame 11, respectively. . In addition, a tongue portion 24 having a width slightly narrower than the distance between the left and right lens frames 11 and 11 of the frame 1 is projected between the lateral grooves 23 and 23 in the projecting portion of the support portion 22. It is provided.

In this spectacle, the lateral grooves 23, 23 are fitted into the lens frames 11, 11 by inserting the lens unit 2 from above the front surface of the frame 1. At this time, the tongue portion 24 is inserted into the rear surface side of the connecting portion 12 to assist in supporting the vertical posture of the lens portion 2. The lens portion 2 is securely attached by fitting the lateral groove 23 and the lens frame 11, and can be easily removed by pulling the lens portion 2 upward. Although the lateral groove 23 is formed separately corresponding to the left and right lens frames 11, the lateral groove 23 may be a left and right integrated groove portion when the tongue portion 24 is not formed.

Second Embodiment FIG. 2 shows a structure of a second embodiment of the present invention. The frame 1 has almost the same structure as that of the first embodiment, and the same portions are denoted by the same reference numerals and the description thereof will be omitted. Permanent magnets 11a, 11a are fitted in a recess formed in the upper portion of the front side of the lens frame 11, and the surfaces (front surface and top surface) thereof are continuous with the front surface and the top surface of the lens frame 11. On the other hand, the lens part 3 is integrally formed with a shape in which the upper parts of the left and right lenses 31, 31 are connected by a support part 32, and the support part 32 is provided with a projecting part projecting rearward from the lens part 3. . A recess is formed in the upper portion of each of the left and right lenses 31 in the support portion 32, and permanent magnets 33, 33 are embedded therein. The permanent magnet 33 is formed in a Γ-shaped cross section so as to have an exposed surface on each of the bottom surface of the protruding portion of the support portion 32 and the back surface of the upper end portion of the lens 31, and these two exposed surfaces are the same as those of the frame 1. The permanent magnet 11a is formed so as to come into contact with the front surface and the upper surface of the permanent magnet 11a, respectively.

The permanent magnet 11 a and the permanent magnet 33 are magnetized so as to attract each other, and the bottom surface of the support portion 32 of the lens portion 3 and the upper rear surface of the lens 31 are attached to the front surface and the upper surface of the lens frame 11. The lens portion 3 can be attached to the frame 1 by bringing them into contact with each other. In this case, since the lens part 3 is magnetically coupled by the two surfaces facing in the front-rear direction and the up-down direction, the lens part 3 can be securely attached, and the lens part 3 can be removed very easily by tilting it forward and backward. it can. It should be noted that only one of the permanent magnets 11a and 33 may be a magnet and the other may be a magnetic body that is not magnetized. Further, the magnet and the magnetic body may be embedded inside the frame or the lens portion of the non-magnetic body.

[Embodiment 3] FIG. 3 shows a structure of Embodiment 3 of the present invention. The frame 4 has substantially the same structure as that of the above-mentioned embodiment, but the structure of the lens frame 41 and the connecting portion of the lens frame and the bent portion 43 are slightly different. A front fastener 49 is attached to the front surface of the lens frame 41. The bent portion 43 extends slightly forward of the lens frame 41, and a connecting portion 43a extending rearward from the bent portion 43 is connected to the lens frame 41. Further, from the front end portion of the bent portion 43, an engagement convex portion 43b is formed so as to project inward in the left and right directions.

On the other hand, in the lens part 5, the surface fasteners 52, 52 are attached to the back side above the left and right lenses 51, 51 (FIG. 3 shows the back side of the lens part 5 as the front side). Has been done. Engagement ends 53 and 53 are formed on both left and right ends of the upper portion of the lens portion 5 so as to project to the left and right outside. The lens portion 5 has a substantially uniform thickness, and is formed to be slightly thinner than the distance between the front surface of the lens frame 41 and the back surface of the engaging convex portion 43b of the bent portion 43.

In this spectacle, by inserting the lens portion 5 from above between the lens frame 41 and the engaging convex portion 43 b and pressing the lens portion 5 against the lens frame 41 lightly, the surface fasteners 49 and 52 are mutually attached. The lens part 5 can be securely attached to the frame 4 by being joined. At this time, the bottom surfaces 53a of the engaging ends 53 formed on the left and right of the lens portion 5 contact the upper surface of the connecting portion 43a so that the lens portion 5 is vertically supported.

When detaching the lens portion 5, the lens portion 5 is held up and down, and the lens portion 5 is slightly tilted forward to release the joint of the surface fastener, and in that state, the surface fastener is slightly pulled up to bring the surface fasteners into contact with each other. If the contact is released, then the lens portion 5 can be pulled out upward. The distance between the front surface of the lens frame 41 and the back surface of the engaging convex portion 43b is such that the joining of the surface fasteners does not come off when the lens portion 5 is arranged substantially perpendicular to the thickness of the lens portion 5. It is desirable to have play within range. This play facilitates insertion of the lens portion 5 and allows the lens portion 5 to be tilted forward when the lens is removed, and the inclination of the lens portion 5 expands the interval between the surface fasteners 49 and 52. It is for removing the joint of the fastener. Despite this play, the vertical posture of the lens portion 5 when the lens is mounted is maintained by the upper surface of the connecting portion 43a and the bottom surface 53a of the engaging end 53 of the lens portion 5 contacting each other.

In each of the embodiments described above, the lens portion can be easily attached to and detached from the frame, so that the lens portion can be easily replaced and a plurality of types of lens portions can be replaced. Therefore, even when the eyeglasses are carried, they can be used for a plurality of purposes only by carrying a plurality of replacement lens portions.

FIG. 4A shows a manufacturing mode of a lens portion that can be used in each embodiment according to the present invention. For example, a myopia A, a farsighted B, a farsighted C, and a partially magnified portion are formed by resin molding. It shows a state in which D is molded at the same time by the same mold. As shown in FIG. 4B, such a plurality of types of lens parts can be carried compactly in the interchangeable lens container E. Such a manufacturing form and a portable form are the same as in the case where a lens part for blocking ultraviolet rays and for preventing dust is used as protective glasses. Further, not only the lens parts for different purposes, but also a spare lens part for replacement may be carried. Furthermore, by changing the transmittance and other optical characteristics, it is possible to carry each lens unit for indoor use, outdoor use, daytime use, nighttime use, etc., and replace it according to the usage environment.

In each of the above embodiments, the resin lens in which the left and right lens parts are integrally molded is used, which makes it extremely easy to attach and detach the lens part. However, even when the left and right lenses are independently formed. Since the coupling means corresponding to the left and right lenses are respectively provided, the above embodiment can be applied as it is. Further, in the case of the above-mentioned embodiment in which the left and right lenses are integrally formed, only one set of coupling means may be provided on either the left or right side. Further, one of the left and right sides (in extreme cases, the left and right ends) is provided with the coupling means, and the other side is provided with a fitting portion such as the bent portion 43 and the engaging end 53 or the engaging portion 53 shown in the third embodiment. You may make it provide only an engaging part.

[0018]

[Effect of device]

 As described above, according to the present invention, the lens portion can be easily attached to and detached from the frame portion, so that the lens portion can be replaced and used according to various applications, use environments, etc. The cost burden can be reduced and the portability can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a structure of a first embodiment of eyeglasses according to the present invention.

FIG. 2 is a perspective view showing a structure of a second embodiment of eyeglasses according to the present invention.

FIG. 3 is a perspective view showing a structure of a third embodiment of the spectacles according to the present invention.

FIG. 4 is a perspective view showing a manufacturing mode of a lens unit used in each embodiment according to the present invention, and a partial cross-sectional perspective view showing a mode in which a plurality of lens units mounted in each embodiment are carried. It is (b).

[Explanation of symbols]

 1,4 frame 2,3,5 lens part 11,41 lens frame 11a, 33 permanent magnet 12,42 connection part 13,43 bent part 21,31,51 lens 22,32 support part 23 lateral groove 24 tongue part 43a connection part 43b Engagement convex part 49,52 Surface fastener 53 Engagement end

Claims (4)

[Scope of utility model registration request] 1. Eyeglasses having a frame portion and a lens portion, characterized in that the eyeglasses are provided with a coupling means for attaching and detaching the frame portion and the lens portion. 2. The connecting means according to claim 1, wherein the coupling means is a groove portion formed in the lens portion along the frame portion so as to open downward and fit into the frame portion from above. Characteristic glasses. 3. The coupling means according to claim 1, wherein the coupling means are magnetic coupling portions formed on the contact surfaces of the lens portion and the frame portion and capable of being magnetically coupled to each other. glasses. 4. The spectacles according to claim 1, wherein the coupling means are mutually engageable surface fasteners formed on the contact surfaces of the lens portion and the frame portion, respectively.