JP3909023B2 - Eyeglass member connection structure and eyeglass frame using the same - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a spectacle member connection structure and a spectacle frame using the spectacle member, and more particularly to a spectacle member connection structure capable of maintaining moderate rotation resistance and preventing loosening or dropping of a connection member such as a screw. The present invention relates to a spectacle frame using the same.
[0002]
[Prior art]
In the conventional spectacles, when the temple members are opened and closed with respect to the wisdom, for example, in order to give the temple an appropriate rotation resistance (so-called agitation), screws are connected to the connecting holes of the connecting portions of the two. Was inserted and tightened, and the rotational resistance was adjusted according to the tightening condition.
[0003]
FIG. 12 is a perspective view showing an example of conventional glasses.
FIG. 13 is a schematic view of the vicinity of the connecting portion viewed from the inside (in this figure, the gap between the temple and wiping connecting portions, and the bending of the connecting pieces above and below the wiping connecting portion by tightening the screws. Is drawn with emphasis).
[0004]
In such a connection structure, a female screw is usually formed only in the connection hole of the lower connection part 220 of the two pieces, and a female screw is formed in the connection hole of the upper connection part 210 of the two pieces and the connection hole of the connection part 110 of the one piece. Is not formed.
The temple 100 and the wisdom 200 pass the screw 300 through the linking hole of the upper linking part 210 of the wisdom 200 and the linking hole of the linking part 110 of the temple 100, and the linking hole (screw hole) of the lower linking part 220 of the wisdom 200. By being screwed onto and tightening, they are pivotally connected.
[0005]
At this time, the turning resistance of the temple 100 is generated when the upper and lower connecting portions 210 and 220 of the two frames are bent so as to approach each other by the tightening of the screw 300 and contact with the connecting portion 110 of the single frame.
That is, the turning resistance of the temple 100 was obtained by the frictional resistance when the connecting portions slide.
[0006]
In such a connection structure, the rotation resistance of the temple 100 can be adjusted by the tightening degree of the screw 300.
Further, even when the connecting portions 210, 110, and 220 are worn by opening and closing the temple 100 and the turning resistance of the temple 100 is weakened, the turning resistance can be recovered by further tightening the screw 300.
[0007]
However, there is a limit to this, and in most cases, even if the screw 300 is strongly tightened, an appropriate rotational resistance of the temple 100 cannot be maintained, and the opening and closing of the temple 100 becomes very sweet.
If this happens, you will have to weld the pieces again or replace the temples and wisdom itself.
Further, in such a state, the screw is easily loosened and may fall off, which is inferior in terms of durability.
[0008]
In order to avoid such a situation and to maintain an appropriate rotation resistance of the temple, various connecting structures for spectacle members have been proposed so far.
For example, as the most popular structure, there is a structure in which a ring-shaped elastic body is fitted between a screw and a through-hole (no female screw is formed) of a connecting portion (see, for example, Patent Document 1). .
[0009]
In other words, the through hole of the connecting part of one piece sandwiched between the connecting parts of two pieces is drilled to a slightly larger diameter, a ring-shaped elastic body is fitted inside, and a screw is press-fitted into the inner hole of the elastic body. Expand the elastic body.
In this way, when the temple is rotated, the ring-shaped elastic body is pressed against the inside of the through hole of the connecting portion of the single piece, and slips while receiving frictional resistance, so that the temple can be rotated appropriately. It is said that dynamic resistance is obtained.
[0010]
However, in such a structure, when the ring-shaped elastic body is worn out, the rotational resistance is insufficient. However, once such a state is reached, there is no other way to recover the rotational resistance by replacing the elastic body. There is a fault that repairs frequently.
Moreover, since the screw is screwed into and fixed to the screw hole of one of the connecting portions of the two pieces as in the conventional case, there is no change in the situation that the screw loosens when the temple is repeatedly rotated.
[0011]
Other than this, a structure in which a bush is fitted into the through hole of both the temple and chin pieces and a pin is press-fitted into the bush hole from the opposite side (see Patent Documents 2 and 3), a pipe nut and a screw instead of the bush and the pin. (See Patent Document 4), a structure in which a cylindrical sleeve is inserted into the through-holes of both frame parts, and a pin is further press-fitted into the inside (see Patent Document 5). An example is a structure in which an annular bush is fitted, an annular body having a special structure of the connecting portion of the temple is inserted into the bush, and a screw-like insert member is screwed to the annular body from the opposite side (see Patent Document 6). It is done.
[0012]
These connection structures are intended to obtain an appropriate rotational resistance, as in the structure described above, by pressing the bush or cylindrical sleeve into the inside of the through hole of the connection part.
However, similar to the above, if the bushing or the like is worn out and the rotation resistance starts to be insufficient, there is a method for recovering the rotation resistance only by replacing the bushing or the like. .
Further, when the bush and the cylindrical sleeve are worn down, the pins and the like press-fitted into them are likely to come off.
[0013]
In particular, in the structure shown in Patent Document 6, since the insert member is formed in a tapered shape, the rotational resistance can be adjusted by screwing the insert member, and the insert member is pressed from the annular bush via the annular body of the temple. Therefore, it will not loosen easily.
However, since the insert member is only screwed to the annular body of the temple, if the annular bush is worn away by the rotation of the temple and the pressing force against the insert member is weakened, the insert member may easily fall off.
[0014]
[Patent Document 1]
JP-A-8-129152
[Patent Document 2]
Japanese Patent Laid-Open No. 2001-183607
[Patent Document 3]
JP 2002-189198 A
[Patent Document 4]
Utility Model Registration No. 30630303
[Patent Document 5]
Japanese Patent Laid-Open No. 11-24007
[Patent Document 6]
JP-A-8-220484
[0015]
[Problems to be solved by the invention]
As described above, in the connection structure of the spectacle members, the rotation resistance of the temple was obtained as the frictional resistance when the temple and wisdom parts slide together. The direction is obtained by press-fitting and the pressing force.
However, if the bushing wears out and the rotation resistance begins to run short, there is a problem that the only way to recover the rotation resistance is to replace the bushing, etc., and screws and pins to secure the pressing force are connected. The problem of easy removal from the structure and falling off has not been solved.
[0016]
The present invention has been made in order to overcome the above-mentioned problems against the background of such a situation.
That is, an object of the present invention is to provide a spectacle member connection structure that maintains an appropriate rotational resistance and prevents loosening or dropping of a connection member such as a screw, and a spectacle frame using the same. Is to provide.
Another object of the present invention is to provide a spectacle member connection structure that can be easily recovered even when rotation resistance starts to be insufficient, and a spectacle frame using the same.
[0017]
[Means for Solving the Problems]
Thus, as a result of earnest research on the background of such problems, the present inventor screwed the male and female screw bodies inside the inner hole of the tubular elastic member in order to obtain rotational resistance. When the elastic member is spread and pressed against the inner wall of the connecting hole of the spectacle member, the male and female screw bodies are in a state of being pressed only to the elastic pipe in a screwed state so as not to contact the connecting portion of the spectacle member. If this is the case, the elastic pipe and the male and female screw bodies do not change their relative positions in spite of the rotation of the eyeglass member, so that the screwing does not loosen or fall off, and at the same time, the rotational resistance is insufficient. In such a case, it has been found that it can be easily recovered by further tightening, and the present invention has been completed based on this finding.
[0019]
That is, the present invention is a spectacle member connection structure for connecting two spectacle members formed with connection holes, and is inserted or press-fitted into the connection holes of the two spectacle members arranged coaxially. Tapered An elastic pipe having an inner hole formed therein, and a male screw body and a female screw that are inserted into the inner hole of the elastic pipe, expand the elastic pipe, and press the elastic pipe against the inner wall of each connecting hole of the two spectacle members The male screw body and the female screw body are provided with a connecting structure of eyeglass members that are in pressure contact only with the elastic pipe.
[0020]
And ( 2 ), And the elastic pipe has an elliptical cross section, a polygonal shape, or an inner hole having irregularities. Above (1) It exists in the connection structure of the spectacles member of description.
[0021]
and again,( 3 ), The female screw body is a pipe nut formed in a tapered shape so that an outer surface thereof corresponds to an inner hole formed in a tapered shape of an elastic pipe. As described in (1) or (2) above It exists in the connection structure of a spectacles member.
[0022]
and again,( 4 ), The male threaded body is tapered so that its neck corresponds to the tapered inner hole of the elastic pipe. (1) or (2) above The connecting structure of the eyeglass members.
[0023]
and again,( 5 ), The female screw body is a pipe nut having a tapered outer surface corresponding to the tapered inner hole of the elastic pipe, and the male screw has an elastic neck portion. It is formed in a taper shape so as to correspond to the inner hole formed in the taper shape of the pipe. As described in (1) or (2) above It exists in the connection structure of a spectacles member.
[0024]
and again,( 6 ), The connecting holes of the two spectacle members have the same inner diameter. As described in (1) above It exists in the connection structure of a spectacles member.
[0025]
and again,( 7 ), The connecting holes of the two spectacle members have different inner diameters. As described in (1) above It exists in the connection structure of a spectacles member.
[0026]
and again,( 8 ), And the connecting hole has an elliptical shape, a polygonal shape, or an uneven shape. As described in (1) above It exists in the connection structure of a spectacles member.
[0027]
and again,( 9 ), From claim (1) to ( 8 One of 1 item It exists in the spectacles frame formed by connecting a temple and wisdom using the connection structure of the spectacles member described.
[0028]
and again,( 10 ), From (1) above ( 8 One of 1 item The present invention resides in a spectacle frame formed by connecting a front frame and a rim using the spectacle member connection structure described above.
[0029]
As long as the object of the present invention is met, from 1 above 10 Of course, a configuration combining two or more selected from the above can also be adopted.
[0030]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the connection structure for eyeglass members according to the present invention will be described with reference to the preferred embodiments.
As in the conventional example, in the following embodiments, the case of a connection structure of the temple 100 and the wisdom 200 will be mainly described.
In addition to this, for example, it is naturally applicable to a turning mechanism of a flip-up structure of a front frame, which will be described later.
[0031]
The spectacle member connection structure of the present invention is a spectacle member connection structure for connecting two spectacle members each having a connection hole, and is inserted into each connection hole of two spectacle members arranged on the same axis. An elastic pipe having an inner hole formed by press-fitting, and a male inserted into the inner hole of the elastic pipe to spread the elastic pipe and press the elastic pipe against the inner wall of each connecting hole of the two spectacle members A screw body and a female screw body are provided.
The male screw body and the female screw body are both brought into pressure contact only with the elastic pipe in a screwed state.
[0032]
1A and 1B are external views showing a connecting structure of eyeglass members of the present invention, wherein FIG. 1A is a perspective view from above, and FIG. 1B is a perspective view from below (reference numerals are the same as those in FIG. 13). .
As described above, in any of the following embodiments, the eyeglass member connection structure of the present invention often has an appearance as shown in FIG.
Therefore, the following description will be mainly based on a partial cross-sectional view taken along line XX in FIG. 1 of each embodiment of the connection structure.
[0033]
[First Embodiment]
FIG. 2 is a partial cross-sectional view showing the configuration of the first embodiment.
FIG. 3 is a perspective view showing the assembly process of the first embodiment (a perspective view from below, corresponding to the case of FIG. 1B).
The connecting hole 111 of the connecting part 110 of the temple 100 and the connecting holes 211 and 221 of the upper and lower connecting parts 210 and 220 of the wisdom 200 are arranged so as to be coaxial, and the elastic pipe 1 is in contact with the inner wall of each connecting hole. Is inserted.
In this configuration example, the communication holes 211, 111, and 221 are formed to have the same inner diameter.
[0034]
The outer surface 11 of the elastic pipe 1 is formed in a cylindrical surface shape, and the outer diameter of the elastic pipe 1 is formed to be the same as or slightly larger than the inner diameter of each communication hole.
When the outer diameter of the elastic pipe 1 is formed to be slightly larger than the inner diameter of each communication hole, the elastic pipe 1 is press-fitted into each communication hole.
[0035]
An inner hole 12 is formed in the elastic pipe 1, and the male screw body 2 and the female screw body 3 are inserted into the inner hole 12 from above and below and screwed inside the inner hole 12.
In this configuration example, the male screw body 2 and the female screw body 3 push the elastic pipe 1 by screwing, and the outer surface 11 of the elastic pipe 1 is attached to the inner wall of each of the connection holes 211, 111, and 221 of the temple and the wisdom. In order to press, the inner surface of the inner hole 12 of the elastic pipe 1 is tapered.
[0036]
Since the elastic pipe 1 is press-fitted or expanded as described above, the material thereof is preferably a resin having moderate flexibility.
Specific examples include engineering plastics such as polyacetal, polyamide, and polycarbonate, and super engineering plastics such as polyetheretherketone (PEEK), polyethersulfone (PES), and polyallylsulfone (PAS). .
[0037]
The male screw body 2 is provided with a collar 21.
The reason will be described in detail later.
The male screw body 2 and the female screw body 3 are usually made of metal.
Incidentally, in this configuration example, the case of having a head with a hexagonal hole is shown, but it is needless to say that the form of the head, such as a slot, a cross hole, a square hole, etc., can be freely selected.
[0038]
The female screw body 3 has a structure in which the outer side surface 31 is tapered so as to correspond to the tapered inner hole 12 of the elastic pipe 1 so that the elastic pipe 1 is pushed and spread.
The female screw body 3 is a pipe nut to be screwed with the male screw body 2. In this configuration example, a bottomed pipe nut (so-called cap nut) is shown.
[0039]
When the cap nut structure having the bottom portion 32 is used as described above, the bottom portion 32 of the female screw body 3 is exposed above the connection structure as shown in FIG. 1, so that a decoration such as a pattern or a logo can be applied thereto. It is preferable in terms of design.
Moreover, if the collar part 33 is formed in the bottom part 32 of the internal thread body 3, it is preferable also in the point which can prevent that a foreign material penetrates into a connection structure also in design.
[0040]
Next, a process of assembling the elastic pipe 1, the male screw body 2, and the female screw body 3 formed in this way into the connection structure will be described.
The elastic pipe 1 is inserted (press-fitted) into the connection holes 211, 111, and 221 of the temple and the wisdom, the female screw body 3 is inserted into the inner hole 12 of the elastic pipe 1, and the male screw body 2 is tightened.
Incidentally, at this time, it is preferable to fix the bottom 32 and the flange 33 of the female screw body 3 with a jig.
[0041]
By tightening, the male screw body 2 advances, and first, the flange portion 21 of the male screw body 2 contacts the elastic pipe 1.
When the male screw body 2 is further rotated and tightened, the male screw body 2 is pressed against the elastic pipe 1, but the relative positional relationship is maintained, and the female screw body 3 is now replaced by the male screw body 2. Begin to be attracted towards.
[0042]
By this screwing, the tapered outer surface 31 of the female screw body 3 presses the inner surface of the inner hole 12 formed in the tapered shape of the elastic pipe 1 to widen the inner hole 12 and pushes the elastic pipe 1. spread.
Then, the outer surface 11 of the elastic pipe 1 presses the inner walls of the connection holes 211, 111, and 221 of the temple and the wisdom.
[0043]
At this time, as described above, the taper of the outer surface 31 of the female screw body 3 and the taper of the inner hole 12 of the elastic pipe 1 are formed so as to correspond to each other, and the outer surface 11 of the elastic pipe 1 is formed into a cylindrical surface. Since the inner pipe 12 is widened by the female screw body 3, the elastic pipe 1 uniformly presses the inner walls of the temple and chin connecting holes 211, 111, and 221 formed to have the same diameter. Become.
Incidentally, since the elastic pipe 1 strongly presses each connecting hole by tightening the male screw body 2, there occurs a situation in which the elastic pipe 1 and the male and female screw bodies 2, 3 are integrally dropped from each connecting hole. I don't get it.
[0044]
Now, according to the connecting structure of the eyeglass member of the present invention assembled in this way, when the temple 100 is rotated with respect to the wisdom 200, the elastic pipe 1 is connected to the linking holes 211, 111, 221 of the temple and the wisdom. Since the inner wall is pressed, an appropriate rotational resistance can be obtained.
Further, even if the rotation of the temple is repeated and the elastic pipe 1 is worn away and the rotation resistance of the temple starts to be insufficient, it is easy to simply tighten the male screw body 2 without replacing the elastic pipe 1. The rotational resistance can be recovered.
This is a function unique to the connection structure of the present invention, which is not present in the conventional connection structure.
[0045]
In order to exhibit this function more effectively, a structure in which further tightening of the male screw body 2 can be surely performed may be employed.
That is, as shown in FIG. 2, the structure of the elastic pipe 1, the male screw body 2, and the female screw body 3 has gaps between the elastic pipe 1 and the female screw body 3 and between the male screw body 2 and the female screw body 3. It is preferably formed so that S can be assembled.
[0046]
Another specific function of the present invention is that the male screw body 2 and the female screw body 3 can be reliably prevented from loosening or falling off.
If the collar part 21 of the male screw body 2 and the collar part 33 of the female screw body 3 are formed so as not to contact the respective connecting parts 210, 110, and 220 of the temple and wisdom, the male screw body 2 and the female screw body 3 can be brought into a state in which both are in pressure contact with only the elastic pipe 1 in a screwed state (see FIG. 2).
[0047]
When formed in such a state, even if the temple 100 rotates, the outer surface 11 of the elastic pipe 1 and the connecting portion 110 of the temple, or the outer surface 11 of the elastic pipe 1 and the upper and lower connecting portions 210, The relative positional relationship between the elastic pipe 1, the male screw body 2, and the female screw body 3 remains unchanged while only being in sliding contact with 220.
Therefore, the problem that the male and female screw bodies loosen or fall off does not occur at all.
[0048]
As described above, the connecting structure of the eyeglass member of the present invention can prevent the screw body from falling off once it is assembled, and the male screw body can be further tightened when the rotation resistance of the temple is insufficient. Thus, the rotational resistance can be easily recovered.
Furthermore, according to the eyeglass member connection structure of the present invention, it will be easily understood that the rotational resistance of the temple can be freely adjusted by the tightening degree of the male screw body.
Since it is easy to attach and detach the elastic pipe and male and female screw bodies, it is possible to easily perform operations such as adjustment and repair of members.
[0049]
For reference, the eyeglass member connection structure of the present invention has the secondary effect that the temple 100 and the wisdom 200 can be connected in a state where the connecting portions 210, 110, and 220 are separated from each other.
That is, the connecting portions 210, 110, and 220 can be connected in a state where a gap G (see FIG. 1A) having a certain width is formed without directly contacting each other.
[0050]
In the case of a spectacle member using a corrosive material such as an aluminum / magnesium alloy, the surface is usually painted and used. However, in the conventional connection structure (for example, see FIG. 13), the connecting portions are rubbed and the coating is peeled off. It corroded from there, causing the frictional resistance of the connecting portion to become abnormally large, causing so-called galling, strength reduction, breakage, and the like.
However, according to the connection structure of the eyeglass member of the present invention, there is an effect that even the member of such a material can prevent the peeling of the paint and the occurrence of corrosion.
[0051]
[Modification of First Embodiment]
As described above, in the above configuration example, since the elastic pipe 1 strongly presses each connecting hole by tightening the male screw body 2, the elastic pipe 1 and the male and female screw bodies 2, 3 are usually integrated with each other. There will be no situation of falling off the connecting hole.
However, if the inner diameters of the connecting holes are made different, it is possible to more reliably prevent the dropout.
For example, as shown in FIG. 4, if the connecting hole of the lower connecting part of the two pieces (in this case, the connecting hole 221 of the lower connecting part 220) is formed with a smaller diameter than the other connecting holes, at least downward. Can be prevented from falling off.
[0052]
Further, as shown in FIG. 5, if the connecting hole of the connecting portion of one piece (in this case, the connecting hole 111 of the connecting portion 110 of the temple) is formed to have a smaller diameter than the other connecting holes, not only downward but also upward. Omission can be prevented.
However, in this case, it is difficult to form the elastic pipe 1 so as to press the three connecting portions 210, 110, and 220 with the integrated elastic pipe 1. Therefore, the elastic pipe 1 is divided into an upper piece 1a and a lower piece 1b. It is preferable to insert (press-fit) each from above and below.
[0053]
[Second Embodiment]
FIG. 6 is a partial cross-sectional view showing the configuration of the second embodiment.
The assembly is performed in the same manner as the process shown in FIG.
This configuration example is different from the first embodiment in that the neck portion 22 of the male screw body 2 is formed in a tapered shape so as to correspond to the inner hole 12 formed in the tapered shape of the elastic pipe 2. Features.
[0054]
In such a structure, it is easier to screw the male and female screw bodies by rotating the female screw body 3.
The elastic pipe 1 is inserted (press-fit) into the connection holes 210, 110, and 220, and the male screw body 2 is inserted into the inner hole 12 of the elastic pipe 1.
[0055]
When the female screw body 3 is rotated and tightened with respect to the male screw body 2, the female screw body 3 comes into contact with the elastic pipe 1.
When the female screw body 3 is further tightened, the female screw body 3 comes into pressure contact with the elastic pipe 1, and the male screw body 2 is attracted toward the female screw body 3 (upward in FIG. 6).
[0056]
By this screwing, the tapered neck portion 22 of the male screw body 2 presses the inner surface of the inner hole 12 formed in the tapered shape of the elastic pipe 1 to widen the inner hole 12 and pushes the elastic pipe 1 wide. Furthermore, the outer surface 11 of the elastic pipe 1 presses the inner walls of the temple and wisdom connection holes 211, 111, and 221 as in the first embodiment.
Thus, also in the second embodiment, the same function and effect as in the first embodiment are exhibited.
[0057]
For reference, it is of course possible to modify the configuration example of this embodiment as in the modification of FIG. 4 or 5 in the first embodiment.
6 shows the case where the male screw body 2 is screwed from below the female screw body 3 in order to match the first embodiment, the male screw body 2 is rather screwed from above, It is preferable in terms of design that the head 23 is exposed upward because a pattern or the like can be added.
[0058]
[Third Embodiment]
FIG. 7 is a partial cross-sectional view showing the configuration of the third embodiment.
The assembly is performed in the same manner as the process shown in FIG.
This configuration example is a configuration in which the first and second embodiments are combined, and the neck portion 22 of the male screw body 2 and the outer surface 31 of the female screw body 3 are each formed in a tapered shape so as to correspond thereto. Further, both sides of the inner hole 12 of the elastic pipe 1 are formed in a taper shape.
[0059]
In such a structure, when the male screw body 2 is rotated (the female screw body 3 may be rotated) and the male and female screw bodies are screwed together, the elastic pipe 1 is positioned between the male screw body 2 and the female screw body 3. The outer surface 11 is in a state of pressing the inner walls of the temple and wisdom connection holes 211, 111, and 221.
Thus, also in the third embodiment, the same effects as those in the first and second embodiments are exhibited.
[0060]
[Modified example of tapered surface]
In the above-described embodiment, irregularities are formed in the tapered inner hole 12 of the elastic pipe 1, and irregularities are formed on the tapered outer surface 31 of the female screw body 3 and the tapered neck portion 22 of the male screw body 2 so as to correspond thereto. By forming the taper surfaces, the tapered surfaces can be more closely meshed with each other.
[0061]
For example, in the first embodiment, as shown in FIG. 8, the tapered inner hole 12 of the elastic pipe 1 has a star-shaped cross section in the tapered inner hole 12, and the tapered shape of the female screw body 3 corresponds to that. If the outer side surface 31 is uneven in a star-shaped cross section, the tapered surfaces are closely meshed with each other, and the pressing force can be transmitted more reliably.
[0062]
Similarly, for example, irregularities are formed in the tapered inner hole 12 of the elastic pipe 1 in the second embodiment shown in FIG. 6, and irregularities are formed in the tapered neck portion 22 of the male screw body 2 so as to correspond thereto. It can also be formed, and the same applies to the third embodiment of FIG.
In addition to the cross-section star shape as described above, for example, the cross-section may be formed to have an elliptical shape, a polygonal shape, or the like.
[0063]
[Modification of connecting hole and elastic pipe]
In the said embodiment, the shape of the connection hole 111 of the temple 100 or the connection holes 211 and 221 of the wisdom 200 is formed in a shape other than a circular shape, and the shape of the outer surface 11 of the elastic pipe 1 is formed so as to correspond to it. Is also possible.
[0064]
FIG. 9 is an exploded perspective view of a connection structure showing an example in which the elastic pipe is deformed so that the connection hole of one piece has a hexagonal shape.
In this configuration example, the connection hole 111 of the temple 100 is formed in a hexagonal shape, and the elastic pipe is divided into an upper piece 1a and a lower piece 1b so as to correspond thereto, and a part of each is connected to the connection hole 111. It is formed in a hexagonal shape so as to be fitted.
[0065]
FIG. 10 is an exploded perspective view of a connection structure showing an example in which the connection hole of one piece and the elastic pipe are deformed in a so-called matching hinge (shown from above).
Also in this configuration example, the connecting hole 111 of the temple 100 is formed in a hexagonal shape, and a part of the outer side surface 11 of the elastic pipe 1 is formed in a hexagonal shape so as to correspond thereto.
[0066]
When the members formed as shown in FIGS. 9 and 10 are assembled to form a connection structure, the elastic pipe 1 is positioned by being pressed against the inner wall of the connection hole 111 by tightening the male and female screw bodies 2 and 3. It rotates together with the rotation.
At the same time, the elastic pipe 1 is also pressed against the inner walls of the connection holes 211 and 221 of the wisdom 200, and when the temple 100 rotates, the elastic pipe 1 slides while being pressed against the linking parts 210 and 220 of the wisdom 200. It can be in a state to do.
[0067]
If it does in this way, since the rotation resistance (agaki) of the temple 100 depends only on the frictional resistance between the connecting portions 210 and 220 of the wisdom 200 and the elastic pipe 1, the adjustment of the rotation resistance is facilitated.
Moreover, since it becomes the structure similar to the connection structure shown in FIG. 5, there also exists an effect which can prevent omission of the elastic pipe 1 and the male and female screw bodies 2 and 3. FIG.
In addition to the hexagonal shape, for example, it can be formed in an elliptical shape, a polygonal shape, a shape having irregularities, and the like as described above.
[0068]
[Application example]
As mentioned above, although the case of the connection structure of the temple 100 and the wisdom 200 has been described, the connection structure of the eyeglass members of the present invention can also be adopted for connection of other eyeglass members.
[0069]
FIG. 11 is a perspective view showing a case in which the eyeglass member connecting structure of the present invention is applied to a flip-up structure of a front frame.
In this configuration example, a two-piece connecting portion 410 in which a connecting hole is formed on the upper portions of the left and right rims 400 is welded, and a one-piece connecting portion 430 in which a connecting hole is formed is welded to the front frame 420. The connecting portions 410 and 430 are connected by the elastic pipe 1 and male and female screw bodies 2 and 3.
[0070]
By connecting in this way, all the characteristics of the connecting structure for eyeglass members of the present invention described above are exhibited.
Specifically, since an appropriate rotational resistance can be obtained, the front frame 420 can be kept in a state of being flipped up, and even if the rotational resistance starts to be insufficient, the male screw body 2 (in the case of the female screw body 3). It is possible to easily recover the rotational resistance by simply tightening. In addition, since the male screw body 2 and the female screw body 3 do not come into contact with the respective connecting portions 410 and 430, loosening and falling off can be prevented, and the structure shown in FIG. 4 and FIG. It becomes.
[0071]
In addition to this, the eyeglass member connecting structure of the present invention can be applied to a frame that can be folded compactly, for example.
Specifically, the bridge 500 and the brace bar 600 (see FIG. 12, including the case of the brow bar) are folded at intermediate positions, the bridge 500 and the rim 400 are connected, and the temple 100 is folded halfway. It can also be used as a connecting structure for dragging.
The glasses thus formed are preferable because they do not open and close freely due to gravity or the like.
[0072]
Although the present invention has been described above, the present invention is not limited to the embodiments, and it goes without saying that other various modifications are possible without departing from the essence thereof.
For example, the positional relationship between the male and female screw bodies is arbitrarily determined.
Further, in the above configuration example, only the case where one piece and two pieces are connected is shown, but the present invention can naturally be applied to a connecting structure of eyeglass members having other connecting portions.
[0073]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, moderate rotation resistance of the connection structure of a spectacles member is maintained, and it can prevent the loosening | loosening and drop-off | omission of a screw body.
Even if the rotation resistance starts to be insufficient, the rotation resistance can be easily recovered by simply tightening the screw body.
[0074]
Furthermore, the spectacle frame formed by connecting the members using the spectacle member connection structure of the present invention can be freely designed, and the spectacles formed so that the front frame can be attached or folded can be opened and closed. Maintained effectively.
Further, even if a spectacle member having a coating made of aluminum / magnesium alloy or the like is connected, it is possible to prevent the peeling of the coating or the occurrence of corrosion.
[Brief description of the drawings]
FIG. 1 is an external view showing a connecting structure of eyeglass members of the present invention, wherein (A) is a perspective view from above and (B) is a perspective view from below.
FIG. 2 is a partial cross-sectional view showing the configuration of the first embodiment.
FIG. 3 is a perspective view showing an assembling process of the first embodiment.
FIG. 4 is a partial cross-sectional view showing a modified example in which the connecting hole of the lower connecting portion of the two pieces is formed to have a smaller diameter than the other connecting holes.
FIG. 5 is a partial cross-sectional view showing a modification in which a connection hole of a connection part of one piece is formed to have a smaller diameter than other connection holes.
FIG. 6 is a partial cross-sectional view showing a configuration of a second embodiment.
FIG. 7 is a partial cross-sectional view showing a configuration of a third embodiment.
FIG. 8 is a perspective view showing an elastic pipe and a female screw body with a tapered surface deformed in the first embodiment.
FIG. 9 is an exploded perspective view of a connection structure showing an example in which an elastic pipe is deformed so that the connection hole of one piece has a hexagonal shape and corresponds.
FIG. 10 is an exploded perspective view of a connection structure showing an example in which a single-piece connection hole and an elastic pipe are deformed in a so-called matching hinge.
FIG. 11 is a perspective view showing a case where the eyeglass member connecting structure of the present invention is applied to a flip-up structure of a front frame.
FIG. 12 is a perspective view showing an example of conventional glasses.
13 is a schematic view of the vicinity of the connecting portion of the glasses of FIG. 12 as viewed from the inside.
[Explanation of symbols]
1 ... Elastic pipe
11 ... Outer surface
12 ... Inner hole
1a ... Upper piece
1b: Lower piece
2 ... Male screw body
21 ... Buttocks
22 ... Neck
23 ... Head
3 ... Female screw body
31 ... Outer surface
32 ... Bottom
33 ... Buttocks
100 ... Temple
110 ... connecting part
111 ... Communication hole
200 ... Satoshi
210 ... Upper connecting part
211 ... Communication hole
220 .. Lower connection part
221 ... Communication hole
300 ... Screw
400 ... Rim
410 ... connecting part
42 ... front frame
430 ... Connection part
500 ... Bridge
600 ... Brace bar
G ... Gap
S ... Gap

Claims (10)

An eyeglass member connection structure for connecting two eyeglass members formed with connection holes,
An elastic pipe formed with a tapered inner hole, which is inserted or press-fitted into a coupling hole of two spectacle members arranged on the same axis;
A male screw body and a female screw body that are inserted into the inner hole of the elastic pipe, spread the elastic pipe, and press the elastic pipe against the inner wall of each connecting hole of the two spectacle members;
The male screw body and the female screw body are both in pressure-contact with the elastic pipe in a screwed state. Connection structure of the elastic pipe, which in cross-section elliptical, polygonal, or characterized in that the bore is formed with an uneven, according to claim 1 eyeglass member. The spectacles according to claim 1 or 2 , wherein the female screw body is a pipe nut having an outer surface tapered so as to correspond to an inner hole formed in a tapered shape of an elastic pipe. Member connection structure. The connection of the spectacle member according to claim 1 or 2 , wherein the male screw body is formed in a tapered shape so that a neck portion thereof corresponds to an inner hole formed in a tapered shape of an elastic pipe. Construction. The female screw body is a pipe nut having an outer surface formed in a tapered shape so as to correspond to an inner hole formed in a tapered shape in an elastic pipe, and the male screw has a neck portion of the elastic pipe. The eyeglass member connection structure according to claim 1 or 2 , wherein the eyeglass member connection structure is tapered so as to correspond to the tapered inner hole.   The connecting structure for spectacle members according to claim 1, wherein the connecting holes of the two spectacle members have the same inner diameter.   The connecting structure for spectacle members according to claim 1, wherein the connecting holes of the two spectacle members have different inner diameters.   The eyeglass member connection structure according to claim 1, wherein the connection hole has an elliptical shape, a polygonal shape, or a shape having irregularities. Spectacle frame formed by connecting the temples and Ji using a coupling structure of an eyeglass member according to any one of the claims 1 to 8. The spectacles frame which connects a front frame and a rim | limb using the connection structure of the spectacles member in any one of the said Claim 1 to 8 .

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