JP2000162558A - Fixing mechanism for easily disassembleable and assembleable spectacle parts - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stopping mechanism for spectacle parts which allows the easy execution of disassembly and assembly work of parts to and from each other. SOLUTION: The outer edge of a rim 1 is projectingly provided with a stopping projecting part 4 and while this stopping projecting part 4 is bored with a through-hole 40, a stopping recessed part 5 is formed in the rim-facing portion at the end of a bridge 2 or endpiece 3. This stopping recessed part 5 is bored with a communicating hole 50. A set pin 6 is inserted and removed into and from the communicating hole 50 and the through-hole by fitting and removing the stopping projecting part 4 and the stopping recessed part 5, by which the disassembly and assembly work of the rim 1 and the bridge 2 or the endpiece 3 is carried out. As a result, the disassembly and assembly work of the parts to and from each other may be easily carried out. Even if deformation and breakage occur in part of the parts, only these parts may be easily replaced. In addition, a user himself or herself previously prepares a number of the parts and is able to occasionally exchange these parts at an appropriate occasion.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mechanism for fastening spectacle parts, and more particularly, to a mechanism for fastening spectacle parts capable of easily disassembling and assembling parts.

[0002]

2. Description of the Related Art As is well known, eyeglasses are composed of a number of eyeglass parts, and these eyeglass parts are assembled by being fixedly connected to each other. 2. Description of the Related Art Conventionally, as a method of fixing eyeglass parts, a method of joining the parts by brazing or the like, or a screwing method of screwing a small screw into a screw hole and tightening is generally adopted.

[0003] However, in the former brazing method,
If the parts cannot be disassembled, and some of the parts, such as the rim and ear-hanging temple, are deformed or broken, the glasses themselves have to be replaced.

[0004] In the latter screwing method, it is possible to disassemble and assemble the parts, but since the screws are very small, not only the work of attaching and detaching the small screws requires a lot of trouble but also the small screws when attaching and detaching. There was a problem that the head of the screw was crushed or the small screw was broken in the middle and could not be removed from the screw hole.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned difficulties in the conventional fastening method between parts, and facilitates disassembly and assembly of parts. An object of the present invention is to provide a fastening mechanism for eyeglass parts that can be used.

[0006]

SUMMARY OF THE INVENTION In order to solve the above technical problem, the present invention relates to a rim 1.1 holding a pair of spectacle lenses 10 and connecting the rims 1.1 symmetrically. This is a fastening mechanism for eyeglass parts for fastening and connecting the bridge 2 to be worn or the end piece 3 for pivotally supporting the ear-hook temple 30. A fastening projection 4 is provided on the outer edge of the rim 1. At the same time, a through hole 40 is formed in the fastening projection 4 in a direction substantially perpendicular to the direction in which the projection projects, while a rim-facing portion at the end of the bridge 2 or end piece 3 has
A fastening recess 5 that can receive the fastening projection 4 is formed, and a communication hole 50 that penetrates to the outside is formed in the fastening recess 5 to stop the bridge 2 or the end piece 3. By fitting the fixing projection 4 of the rim 1 into the fitting recess 5 and continuously inserting the fixing pin 6 into the through hole 40 and the communication hole 50, the rim 1 and the bridge 2 or the end piece 3 are inserted.
And a technical means that can be fixedly connected.

In order to solve the above-mentioned technical problems, the present invention provides a rim 1.1 for holding a pair of spectacle lenses 10 and a bridge 2 for connecting the rims 1.1 symmetrically. Alternatively, a fastening mechanism for eyeglass parts for fastening and connecting the earpiece temple 30 to the end piece 3 that pivotally supports the folding earpiece 30. At the outer edge of the rim 1, a fastening projection 4 is provided. A hook portion 41 is formed at a substantially distal end of the fixing protrusion 4, while a fixing portion capable of receiving the fixing protrusion 4 is provided at a rim-facing portion of an end of the bridge 2 or the end piece 3. A concave portion 5 is formed, and a groove 51 capable of hooking the hook portion 41 when the fixing convex portion 4 is received is formed in the fixing concave portion 5 so as to penetrate to the outside.
By fitting the fastening projection 4 of the rim 1 into the fastening recess 5 of the bridge 2 or the end piece 3 and hooking the hook 41 in the slot 51, the rim 1 and the bridge 2 or the end piece are A technical means of enabling the fastening connection with No. 3 was adopted.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on embodiments shown in the accompanying drawings. FIG. 1 is an overall perspective view of eyeglasses assembled by applying the eyeglass component fastening mechanism of the first embodiment and the second embodiment, and FIG. 2 is an exploded view of the eyeglass component fastening mechanism of the first embodiment. FIG. 3 is a partial cross-sectional view of the fastening mechanism in the fastening state, FIG. 4 is a partial perspective view of the eyeglass component fastening mechanism in the second embodiment in an exploded state, and FIG.
FIG. 6 is a partial cross-sectional view of the fastening mechanism in a fastening state, FIG. 6 is an overall perspective view of eyeglasses assembled by applying the eyeglass component fastening mechanism of the third and fourth embodiments, and FIG. FIG. 8 is a partial perspective view of the fixing mechanism of the eyeglass component according to the third embodiment in an exploded state, FIG. 8 is a partial cross-sectional view of the fixing mechanism in the fixing state, and FIG. Partial perspective view of the state, FIG.
FIG. 4 is an overall perspective view of an embodiment of a stop pin used in the eyeglass component fastening mechanism of the first embodiment and the second embodiment.

[First Embodiment] In this embodiment, the eyeglass component fastening mechanism according to the present invention is applied to the connection between a rim and a bridge, and will be described with reference to FIGS.

In the figure, the one designated by reference numeral 1 is a spectacle lens.
As shown in FIG. 2, the rim 1 has a substantially square pillar-shaped fastening projection 4 projecting from the outer edge of the rim 1, and the fastening projection 4 has the projection. A circular through hole 40 perpendicular to the direction is provided.

In the figure, what is indicated by reference numeral 2 is a bridge for connecting a pair of rims 1 symmetrically.
As shown in FIG. 2, a fastening recess 5 is formed in the rim-facing portion at the end of the bridge 2 and the fastening recess 5 is formed.
Has a communication hole 50 penetrating to the outside. The fastening recess 5 of the present embodiment has a substantially square pillar-shaped space capable of receiving the substantially square pillar-shaped fastening projection 4 of the rim 1, and the communication hole 50 of the fastening recess 5 has the fastening projection 5. When the portion 4 is received, it is arranged coaxially with the through hole 40 and has the same substantially circular shape as the hole shape. A sink hole 50x is provided at the upper end of the communication hole 50. Furthermore, a pair of flanges 52, 52 that can be fitted onto the rim 1 are protruded from both ends of the fastening recess 5.

In the figure, what is indicated by reference numeral 6 is a stop pin which is continuously inserted into the through hole 40 of the fastening projection 4 of the rim 1 and the communication hole 50 of the fastening recess 5 of the bridge 2. As shown in FIG. 2, the stop pin 6 of the present embodiment has a substantially columnar shape having a diameter equal to the diameter of the through hole 40 and the communication hole 50, and is attached to an upper end of the stop pin 6. Communication hole 50 of recess 5
A column-shaped head 6x that can be fixed to the sunken hole 50x is provided.

In the eyeglass component fastening mechanism of the present embodiment, the fastening projection 4 of the rim 1 is fitted into the fastening recess 5 of the bridge 2 and the flange of the fastening recess 5 is fitted. 52 ・
52 is externally fitted to the rim 1, and further, a communication hole 50 of the fastening recess 5 is provided.
Then, the stop pin 6 is continuously inserted into the through hole 40 of the fastening projection 4, and the head 6 x of the stop pin 6 is connected to the sink hole 50 of the communication hole 50.
The rim 1 and the bridge 2 can be fixedly connected to each other by sinking and fixing to the x (see FIGS. 2 and 3).

The thus connected rim 1 and bridge 2
Is inserted from the outside of the communication hole 50 in a direction opposite to the insertion direction of the locking pin 6 by inserting a rigid thin rod or the like.
It can be easily disassembled simply by pulling out and removing the stopper pin 6 continuously inserted into the through hole 50 and the through hole 40 and detaching the stopper convex portion 4 of the rim 1 outside the stopper concave portion 5 of the bridge 2. It is. FIG. 3 is a partial cross-sectional view in the fastening state, and is cut along the axis of the fastening pin 6 perpendicularly to the direction in which the fastening projection 4 projects.

As described above, in the eyeglass component fastening mechanism of the present embodiment, the fastening projection 4 is provided on the outer edge of the rim 1, and the through hole 40 is formed in the fastening projection 4. On the other hand, a fastening recess 5 is formed in the rim-facing portion at the end of the bridge 2 and a communication hole is formed in the fastening recess 5.
50, the fastening projection 4 and the fastening recess 5 are fitted and unfastened, and the fastening pin 6 is inserted into and removed from the communication hole 50 and the through hole 40, so that the disassembly and assembly of the parts can be performed. It can be done easily.

Therefore, even if some parts such as the rim and the ear-hanging temple are deformed or broken, it is not necessary to replace the glasses themselves, and it is possible to easily replace only those parts.

Further, the end user prepares several parts such as a bridge and an end piece, and the TPO
It is also possible to exchange these at any time according to the conditions.

In this embodiment, since the components are disassembled and assembled by inserting and removing the locking pin 6 from the communication hole 50 and the through hole 40, a small screw is screwed into the screw hole. Unlike the screwing method in which the locking pin is tightened by applying a force, the force only needs to be applied from one direction, and it does not occur that the head of the locking pin is crushed or the locking pin is broken in the middle and cannot be removed from the hole.

Furthermore, in the present embodiment, since a pair of flanges 52 project from both ends of the fastening recess 5 of the bridge 2, these flanges 52 are fitted to the rim 1 outside. Thereby, the fastening between the rim 1 and the bridge 2 can be further stabilized.

Second Embodiment A second embodiment shown in FIGS. 4 and 5 is one in which the eyeglass component fastening mechanism according to the present invention is applied to the connection between a rim and an end piece. The rim is formed from a loop wire having an opening / closing portion, and a fastening projection is provided from a first fastening projection protruding from one end of the opening / closing portion of the rim, and is protruded from the other end of the opening / closing portion. It is configured to be dividable from the second fastening projection and the fastening projection has a role of a rim lock.

In the drawing, what is indicated by reference numeral 1 is a rim that is made of a loop wire having an opening and closing part and that holds the spectacle lens 10, and as shown in FIG. A first fixing protrusion 4a having a substantially quadrangular prism shape protrudes from one end of the second fixing protrusion 4a, and a second fixing protrusion 4b having the same shape as the first fixing protrusion 4a is formed from the other end of the opening / closing portion. Is protruding. The first fastening projection 4a has a circular first through-hole 40a perpendicular to the projecting direction thereof, and the second fastening projection 4b has the first through-hole 40a. The second through hole 40b is opened in the same direction.

In the figure, what is indicated by reference numeral 3 is an end piece for pivotally supporting the ear hanging temple 30 so as to be freely foldable. As shown in FIG. The fastening recess 5 is formed, and a communication hole 50 penetrating to the outside is formed in the fastening recess 5. The fastening recess 5 of the present embodiment is different from the first fastening projection 4a.
And the second fastening projection 4b have a substantially quadrangular prism-shaped space capable of receiving in a superposed state, and the communication hole 50 of the fastening recess 5 receives the fastening projections 4a and 4b. First through hole
It is arranged coaxially with 40a and the second through hole 40b, and has the same substantially circular hole shape. A sink hole 50x is provided at the upper end of the communication hole 50, and a narrow portion 50y is provided below the communication hole 50. Furthermore, a pair of flanges 52 that can be fitted onto the rim 1 are provided at both ends of the fastening recess 5.
・ 52 are protruding.

In the figure, what is indicated by reference numeral 6 is a stop pin continuously inserted into the first through hole 40a and the second through hole 40b of the rim 1 and the communication hole 50 of the end piece 3. The stop pin 6 of this embodiment has a substantially cylindrical shape having the same diameter as the diameter of these holes, and can be fixed to the sink hole 50x of the communication hole 50 of the stop recess 5 at the upper end of the stop pin 6. Column head 6
x is provided, and a small diameter portion 6y that can be fixed to the narrow portion 50y of the communication hole 50 of the fastening recess 5 is formed below the stop pin 6.

In the eyeglass component fastening mechanism according to the present embodiment, the first fastening projection 4a projecting from one end of the opening / closing portion of the rim 1 and the other end of the opening / closing portion project. The second fastening projection 4b is overlapped with the first fastening projection 4a and the second fastening projection 4b.
And the flanges 52 of the fastening recess 5 are externally fitted to the opening / closing portion of the rim 1, and the communication hole 50 and the first through hole 40a of the fastening recess 5 are further fitted. And the stop pin 6 is continuously inserted through the second through hole 40b, the head 6x of the stop pin 6 is lowered into the sink hole 50x of the communication hole 50, and the small diameter portion 6y of the stop pin 6 is fixed. The rim 1 and the end piece 3 can be fixedly connected by fixing to the narrow portion 50y of the communication hole 50 (see FIGS. 4 and 5).

The thus connected rim 1 and end piece 3 are also inserted into the communication hole 50 and the first through hole by inserting a rigid thin rod or the like from the outside of the communication hole 50 in a direction opposite to the insertion direction of the locking pin 6. The stopper pin 6 continuously inserted into the hole 40a and the second through hole 40b is withdrawn and removed, and the first fixing protrusion 4a and the second fixing protrusion 4b are simply separated out of the fixing recess 5. Can be easily disassembled. FIG. 5 is a partial cross-sectional view in a fastening state, and is cut along the axis of the fastening pin 6 perpendicularly to the projecting directions of the first fastening projection 4a and the second fastening projection 4b. is there.

As described above, in the eyeglass component fastening mechanism of the present embodiment, similarly to the first embodiment, the fastening projection 4 is provided on the outer edge of the rim 1 and the fastening projection is provided. Part 4
Has a through-hole 40, a fastening recess 5 is formed in the rim-facing portion at the end of the bridge 2, and
Since the communication hole 50 is opened in the fixing recess 5, the fixing protrusion 4 and the fixing recess 5 are fitted and removed, and the communication hole 50 and the through hole are formed.
By inserting and removing the stop pin 6 with respect to 40, the disassembly and assembly work of the components can be easily performed.

In the eyeglass component fastening mechanism according to the present embodiment, the rim 1 is formed of a loop wire having an opening / closing part, and the fastening projection 4 is provided on the opening / closing part of the rim 1. The rim 1 is configured to be splittable from a first fixing protrusion 4a protruding from one end and a second fixing protrusion 4b protruding from the other end of the opening / closing portion of the rim 1. After the opening / closing section is opened and the spectacle lens 10 is inserted, the opening / closing section is closed, and the first fastening projection 4a and the second fastening projection 4b are overlapped. By fitting the portion 4a and the second fixing convex portion 4b into the fixing concave portion 5 of the end piece 3, these fixing convex portions serve as a rim lock, thereby securely holding the spectacle lens 10. You can have.

Further, in the present embodiment, a pair of flanges 52 project from both ends of the fixing recess 5 of the end piece 3, so that these flanges 52 are externally fitted to the opening / closing part of the rim 1. By doing so, not only can the fastening between the rim 1 and the end piece 3 be further stabilized, but also the opening and closing part of the rim 1 can be concealed.

Third Embodiment A third embodiment shown in FIGS. 7 and 8 is one in which the fastening mechanism for eyeglass parts according to the present invention is applied to the connection between a rim and a bridge. The present invention is characterized in that the convex portion and the fixing concave portion of the bridge are fixed using a hooking mechanism using a hook instead of the fixing pin.

In the figure, the one designated by reference numeral 1 is a spectacle lens.
As shown in FIG. 7, the rim 1 has a substantially quadrangular prism-shaped fastening projection 4 protruding from the outer edge of the rim 1, and a lateral end of the fastening projection 4. A substantially triangular prism-shaped hook portion 41 is formed on the side surface. In addition, the fastening projection 4
A gap 42 is engraved in the center of the tip of the hook portion 41 to allow the hook portion 41 to bend in the front-rear direction.

In the figure, what is indicated by reference numeral 2 is a bridge for connecting the pair of rims 1 symmetrically.
As shown in FIG. 2, a fastening recess 5 is formed in the rim-facing portion at the end of the bridge 2 and the fastening recess 5 is formed.
On one side, a slot 51 is formed to penetrate to the outside.
The fastening recess 5 of the present embodiment has a substantially quadrangular prism-shaped space capable of receiving the fastening projection 4 of the rim 1, and the slot 51 of the fastening recess 5 is formed by the fastening projection 5. 4 has a substantially quadrangular prism-shaped space in which the hook portion 41 can be hooked when it is received, and penetrates to the outside. Furthermore, a pair of flanges 52 that can be fitted onto the rim 1 are provided at both ends of the fastening recess 5.
・ 52 are protruding.

Thus, in the eyeglass component fastening mechanism of the present embodiment, the fastening projection 4 of the rim 1 is fitted into the fastening recess 5 of the bridge 2 and the flange of the fastening recess 5 is fitted. 52 ・
The rim 1 and the bridge 2 can be fixedly connected by fitting the 52 to the rim 1 and hooking the hook portion 41 of the fixing convex portion 4 to the groove 51 of the fixing concave portion 5 (FIG. 7 and FIG. 8).

The thus connected rim 1 and bridge 2
By inserting a rigid thin rod or the like from the outside of the slot 51 and pushing the hook 41 hooked to the slot 51 toward the gap 42, the hook 41 is removed from the slot 51, Further, it is possible to easily disassemble just by detaching the fixing projection 4 of the rim 1 out of the fixing recess 5 of the bridge 2. FIG. 8 is a partial cross-sectional view in the fastening state, and is cut off horizontally at the center of the fastening projection 4 in the direction in which it projects.

As described above, in the eyeglass part fastening mechanism of the present embodiment, the fastening projection 4 is projected from the outer edge of the rim 1, and the hook 41 is formed on the fastening projection 4. On the other hand, the fastening recess 5 is formed in the rim-facing portion at the end of the bridge 2 and the slot 51 is formed in the fastening recess 5. By disengaging the fastening recess 5 and hooking and removing the hook portion 41 with respect to the slot 51, disassembly and assembly of the components can be easily performed.

Further, in the eyeglass part fixing mechanism of the present embodiment, the number of parts is small without using minute accessories such as screws and fixing pins, so that there is no fear of losing these accessories, and the parts are not lost. Can be performed without any trouble.

[Fourth Embodiment] The fourth embodiment shown in FIG. 9 is one in which the eyeglass part fastening mechanism according to the present invention is applied to the connection between the rim and the end piece, and is similar to the third embodiment. The fastening projection and the fastening recess are fixed by using a hooking mechanism by a hook, and the rim is formed of a loop wire having an open / close portion in part, as in the second embodiment. It is characterized in that the portion is configured to be dividable from the first fastening projection and the second fastening projection.

In the figure, what is indicated by reference numeral 1 is a rim that is made of a loop wire having an opening and closing part in part and holds the spectacle lens 10, as shown in FIG. 9, from one end of the opening and closing part. Is provided with a first quadrangular prism-shaped first fixing projection 4a, and the first fixing projection 4a is connected to the other end of the opening / closing section.
A second fastening projection 4b having the same shape as that of the second projection is provided. A first hook portion 41a having a substantially triangular prism shape is formed on the lateral side surface of the tip of the first fastening projection 4a, and the first hook portion 41a is formed on the lateral side of the tip of the second fastening projection 4b. One hook part 41
A second hook portion 41b having the same shape as a is formed. A first gap 42 is provided at the center of the tip of the first fastening projection 4a.
a is engraved, and a second gap 42b is engraved at the center of the tip of the second fastening projection 4b. Further, the first fastening projection 4a is provided with a first temporary fastening hole 43a having a substantially circular shape perpendicular to the direction in which the first fastening projection 4a is provided, and an enlarged hole diameter portion 43x is provided at an upper end of the first fastening hole 43a. In addition, a second temporary fixing hole 43b is formed in the second fixing projection 4b in the same direction as the first temporary fixing hole 43a.

In the figure, what is indicated by the reference numeral 3 is an end piece for pivotally supporting the ear hook temple 30 so as to be freely foldable. As shown in FIG. The fastening recess 5 is formed, and a slot 51 is formed on one side of the fastening recess 5 so as to penetrate to the outside. The fastening recess 5 of the present embodiment is different from the first fastening projection 4.
a and a substantially square column-shaped space capable of receiving the second fastening projection 4b in a superposed state, and a slot formed in the fastening recess 5.
51 has a substantially quadrangular prism-shaped space in which the first hook portion 41a and the second hook portion 41b can be hooked in a superposed state when the fixing projections 4a and 4b are received, and penetrates to the outside. It consists of Furthermore, a pair of flanges 52, 52 that can be fitted onto the rim 1 are protruded from both ends of the fastening recess 5.

In the drawing, what is designated by reference numeral 7 is a temporary fixing pin continuously inserted through the first temporary fixing hole 43a and the second temporary fixing hole 43b. As shown in FIG. 9, the temporary fixing pin 7 of the present embodiment
Has a substantially cylindrical shape having the same diameter as the diameter of these holes, and has a columnar head 7x which can be fixed to the sink hole 43x of the first temporary fixing hole 43a at the upper end of the temporary fixing pin 7. Have been.

In the eyeglass component fastening mechanism according to the present embodiment, first, the first fastening projection 4a projecting from one end of the opening / closing portion of the rim 1 and the first fastening projection 4a projecting from the other end of the opening / closing portion. And the temporary fixing pin 7 is continuously inserted into the first temporary fixing hole 43a and the second temporary fixing hole 43b, and the head 7x of the temporary fixing pin 7 is First temporary fixing hole 43a
The first fastening projection 4a and the second fastening projection 4b are temporarily fastened by sinking and fixing in the sinking hole 43x, and subsequently, these temporarily fastened first fastening projections 4a and The second fastening projection 4b is fitted into the fastening recess 5 of the end piece 3, and the flanges 52 of the fastening recess 5 are fitted over the opening / closing portion of the rim 1, and the fastening is further performed. The first hook portion is inserted into the slot 51 of the recess 5.
The rim 1 and the end piece 3 can be fixedly connected by hooking the 41a and the second hook portion 41b (see FIG. 9).

The rim 1 and the end piece 3 connected in this manner are also inserted into the first hook portion 41a and the second hook portion 41b hooked into the slot 51 by inserting a rigid thin rod or the like from the outside of the slot 51. Into the gap 42 by pressing
Remove the first hook portion 41a and the second hook portion 41b from 51,
Further, the first fastening projection 4a and the second fastening projection 4 are moved out of the fastening recess 5.
It can be easily disassembled simply by removing b.

As described above, in the eyeglass part fastening mechanism of the present embodiment, similarly to the third embodiment, the fastening projection 4 is provided on the outer edge of the rim 1 and the fastening projection is provided. Part 4
Is formed with a hook portion 41, while the end piece 3
A fixing recess 5 is formed at the rim-facing portion at the end of the groove, and a slot 51 is formed in the fixing recess 5, so that the fixing convex portion 4 and the fixing recess 5 are fitted and removed. By disengaging the hook portion 41 with respect to the slot 51, the disassembly and assembly work of the components can be easily performed.

In the present embodiment, as in the second embodiment, the rim 1 is formed of a loop wire having an open / close portion in part, and the fastening projection 4 is provided on the open / close portion of the rim 1. A first fastening projection 4a protruding from one end and the rim 1
The opening and closing portion of the rim 1 is opened and the spectacle lens 10 is inserted, and then the opening and closing portion is removed. After closing, the first fastening projection 4a and the second fastening projection 4b are overlapped, and the overlapped first fastening projection 4a and second fastening projection 4b are overlapped.
Are fitted into the fixing concave portion 5 of the end piece 3 so that these fixing convex portions play a role of rim lock, and the spectacle lens 10 can be securely held.

Further, in this embodiment, the first fastening projection 4a and the second fastening projection 4b are overlapped, and the temporary fastening pins 7a are inserted into the first temporary fastening holes 43a and the second temporary fastening holes 43b. And the head 7x of the temporary fixing pin 7 is inserted into the first temporary fixing hole 43.
The first fastening projection 4a and the second fastening projection 4b are temporarily fixed by sinking and fixing in the sinking hole 43x of a. The fitting work into the fastening recess 5 can be easily performed without being displaced from the second fastening projection 4b.

Although the embodiments of the present invention are generally as described above, the present invention is not limited to the above embodiments, and various changes can be made within the scope of the claims.

For example, in the above embodiment, the fastening projections 4 are formed in a substantially quadrangular prism shape, but the fastening recesses 5 are formed in the fastening projections 4.
The shape is not limited to this as long as it is formed in a shape that can accept the shape. For example, it may be formed in a substantially columnar shape.

The stop pin 6 of the first and second embodiments has a head or a head and a small diameter portion, but the communication hole 50 and the through hole 40 are not provided. The shape is not limited to this as long as the locking pin 6 can be fixed. For example, as shown in FIG. 10, the head 6x is provided at the upper end and the large diameter portion 6 is provided at the lower part.
z may be provided. The stop pin 6 may be formed of a single material such as a metal or a synthetic resin. For example, when the large-diameter portion 6z is provided as described above, the large-diameter portion 6z communicates. It may be formed of a synthetic resin so as to be easily inserted into the hole 50 and the through hole 40, and may be formed of a metal so that portions other than the large diameter portion 6z are not easily deformed.

In the third and fourth embodiments, the hook portion 41 is formed on one lateral side of the fastening projection 4, but the slot 51 is formed in the fastening recess 5 by the hook portion 41. If it is opened at a position where it can be hooked, it is not limited to this. For example, it may be formed on the upper side or the lower side, or may be formed on two sides.

In the second embodiment, the first fastening projection 4a and the second fastening projection 4b are simply overlapped and fitted into the fastening recess 5. In the same manner as described above, temporary fixing holes are respectively formed in the first fixing convex portion 4a and the second fixing convex portion 4b, and the temporary fixing pins are continuously inserted through these temporary fixing holes and fixed. , These fixing projections 4a, 4
b may be temporarily fixed and fitted into the fixing recess 5.

Further, in the second and fourth embodiments, the first fastening projection 4a protruding from the outer edge of the rim 1 is provided.
And the second fastening projection 4b are fitted into the fastening recess 5 formed at the end of the end piece 3, but are fitted into the fastening recess 5 formed at the end of the bridge 2. They may be combined.

[0051]

As described above with reference to the embodiments, in the eyeglass component fastening mechanism according to the present invention, the fastening projection is provided on the outer edge of the rim and the fastening projection is provided. Has a through-hole or a hook portion formed therein, while a fastening recess is formed in the rim-facing portion of the end of the bridge or the end piece, and a communication hole is formed in the fastening recess. Since the opening or the slot is opened, the fastening projection and the fastening recess are fitted and removed, and the fastening pin is inserted into and removed from the communication hole and the through hole, or the hook is inserted into the slot. , The disassembling and assembling work of the rim and the bridge or the end piece can be easily performed.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of eyeglasses assembled by applying the eyeglass component fastening mechanism of the first embodiment and the second embodiment.

FIG. 2 is a partial perspective view of the disassembled state of the eyeglass component fastening mechanism of the first embodiment.

FIG. 3 is a partial cross-sectional view of the eyeglass component fastening mechanism according to the first embodiment in a fastening state.

FIG. 4 is a partial perspective view showing a disassembled state of a fastening mechanism for eyeglass parts according to a second embodiment.

FIG. 5 is a partial cross-sectional view of the eyeglass component fastening mechanism according to the second embodiment in a fastening state.

FIG. 6 is a perspective view of eyeglasses assembled by applying the eyeglass component fastening mechanism of the third embodiment and the fourth embodiment.

FIG. 7 is a partial perspective view of an eyeglass component fastening mechanism according to a third embodiment in an exploded state.

FIG. 8 is a partial cross-sectional view of the eyeglass component fastening mechanism according to the third embodiment in a fastening state.

FIG. 9 is a partial perspective view of a disassembled state of a fastening mechanism for eyeglass parts according to a fourth embodiment.

FIG. 10 is an overall perspective view of an embodiment of a stop pin used in the eyeglass component fastening mechanism of the first embodiment and the second embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rim 10 Eyeglass lens 2 Bridge 3 End piece 30 Ear hanging temple 4 Fixing convex part 4a First fixing convex part 4b Second fixing convex part 40 Through hole 40a First through hole 40b Second through hole 41 Hook part 41a First hook part 41b Second hook part 5 Fixing recess 50 Communication hole 51 Slot 6 Stop pin

Claims (4)

[Claims] 1. A rim 1.1 for holding a pair of spectacle lenses 10 respectively, a bridge 2 for connecting the rims 1.1 symmetrically to each other, or an end piece for pivotally supporting a ear temple 30 in a freely foldable manner. 3 is a fastening mechanism for eyeglass parts for fastening and connecting the fastening projections 3 to the outer periphery of the rim 1. A fastening projection 4 is projected from the outer edge of the rim 1, and the fastening projection 4 is substantially perpendicular to the projecting direction. While the through hole 40 is opened, the bridge 2
Alternatively, at the rim-facing portion at the end of the end piece 3, a fastening recess 5 capable of receiving the fastening projection 4 is formed, and a communication hole 50 penetrating to the outside is formed in the fastening recess 5. The fixing protrusion 4 of the rim 1 is fitted into the fixing recess 5 of the bridge 2 or the end piece 3, and the fixing pin 6 is continuously inserted into the through hole 40 and the communication hole 50. A rim 1 and a bridge 2 or an end piece 3 can be fixedly connected to each other, thereby facilitating disassembly and assembly of eyeglass parts. 2. The rim 1 is formed of a loop wire having an opening and closing part in a part thereof, and the fastening projection 4 is formed by the rim 1
And a second fastening projection 4b projecting from the other end of the opening / closing portion and a second fastening projection 4b projecting from the other end of the opening / closing portion. The hole 40 is composed of a first through hole 40a formed in the first fixing protrusion 4a and a second through hole 40b formed in the second fixing protrusion 4b. The eyeglass component fastening mechanism according to claim 1, which is easy to disassemble and assemble. 3. A rim 1.1 for holding a pair of spectacle lenses 10, a bridge 2 for connecting the rims 1.1 symmetrically to each other, or an end piece for pivotally supporting the ear-hanging temple 30 in a freely foldable manner. 3 is a fastening mechanism for eyeglass parts for fastening and connecting the fastening rim 3 to the outer periphery of the rim 1. A fastening projection 4 is projected from an outer edge of the rim 1, and a hook portion is provided at a substantially distal end of the fastening projection 4.
On the other hand, at the rim-facing portion at the end of the bridge 2 or the end piece 3, there is formed a fastening recess 5 capable of receiving the fastening projection 4, and this fastening recess is formed. 5 is a hook portion when the fastening projection 4 is received.
A slot 51 capable of engaging with 41 is formed to penetrate to the outside, and the fastening projection 4 of the rim 1 is fitted into the fastening recess 5 of the bridge 2 or the end piece 3. Hook to 51
A fastening mechanism for eyeglass parts which is easy to disassemble and assemble, characterized in that the rim 1 and the bridge 2 or the end piece 3 can be fastened and connected by hooking 41. 4. The rim 1 is formed from a loop wire having an opening and closing part in a part thereof, and the fastening projection 4 is formed by the rim 1
And a second fastening projection 4b projecting from one end of the opening / closing section and a second fastening projection 4b projecting from the other end of the opening / closing section. The portion 41 includes a first hook portion 41a formed on the first fastening projection 4a and a second hook portion 41b formed on the second fastening projection 4b. The eyeglass component fastening mechanism according to claim 3, which is easy to disassemble and assemble.