JP3682035B2 - Glasses connection structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a connection structure for eyeglasses, and more particularly to a connection structure for rimless eyeglasses without a rim that holds a lens outer periphery.
[0002]
[Prior art]
Conventionally, as such rimless glasses, for example, those described in US Pat. No. 5,835,183 and registered utility model No. 3007846 are known.
[0003]
The rimless eyeglasses described in US Pat. No. 5,835,183 includes an armor and a bridge connected to a temple via a hinge portion, and a U-shaped elastic sandwiching piece formed at the end of the armor and bridge. By inserting the first piece into a hole provided in the lens and engaging the second piece with a groove provided at the edge of the lens, the hole and lens provided in the lens with a U-shaped elastic clamping piece The lens is connected to the armor and the bridge by being sandwiched between the grooves provided on the edge of the lens.
[0004]
In addition, the spectacles described in the registered utility model No. 3007846 have an inner penetrable piercing through a parallel line-shaped edge contact portion that can be in line contact with the inner edge of the lens and a bridge fixing hole that is drilled in the vicinity of the inner edge of the lens. A metal bridge having a piercing portion, a parallel line-shaped edge abutting portion that can be in line contact with the outer edge of the lens, and an outer piercing portion that can pierce a Yoroi fastening hole drilled in the vicinity of the outer edge of the lens A pair of left and right lenses are connected and held using a metal armor.
[0005]
[Problems to be solved by the invention]
However, in such conventional rimless spectacles, in any case, the connection between the spectacle parts such as the bridge and the armor and the lens is made by using the first piece formed on the terminal part of the spectacle parts and the inside / outside piercing part as the lens. This is done by inserting the hole into the hole and bringing the second piece part or edge contact part into contact with the edge of the lens. For example, a large external force that changes the distance (opening) between the temples of the glasses. When this occurs, there is a problem that the spectacle parts are deformed or, in the worst case, stress concentrates on the hole portion of the lens, and the lens is cracked.
[0006]
Such spectacle parts are lightweight and small parts, and are usually made of a special metal in order to maintain the required strength. Therefore, in order to prevent the metal on the lens from coming into direct contact and exerting unnecessary external force on the lens, special measures are required, and a troublesome adjustment work for adjusting them is required.
[0007]
The object of the present invention is to solve such a conventional problem, and even when excessive external force acts on the spectacles, it is possible to prevent the deformation of the parts and the cracking of the lens, and further, adjustment work is not necessary or necessary. It is an object of the present invention to provide a connecting structure for eyeglasses that can be easily performed in any case.
[0008]
[Means for Solving the Problems]
Coupling structure of glasses according to the first embodiment of the present invention to achieve the above object, it comprises a first member which is fixed to the spectacle lens, and a second member connected to the temple or bridge, the first when one member has an outer peripheral portion forming a oblong, and at least one mounting groove that is formed in part component containing an arc portion of the outer peripheral portion of this, the mounting groove, as viewed from the front, The second member is disposed in a vertical direction, and has a substantially U-shaped bent portion that is introduced from one direction of the first member and elastically engages with the mounting groove. To do.
[0009]
According to the above configuration, when an excessive external force is applied to the glasses due to temple opening or the like, the substantially U-shaped bent portion is elastically formed in the mounting groove formed in at least a part of the outer peripheral portion of the first member. The engaged second member is elastically deformed and detached from the first member. Therefore, deformation of the first and second members and cracking of the lens are prevented. Further, since the outer peripheral portion is oval and the mounting groove is formed in a portion including at least one arc portion of the outer peripheral portion, a sufficient contact area between the first member and the second member is taken. The first member and the second member can be reliably connected. Furthermore, since the mounting grooves are arranged in the vertical direction when viewed from the front, the mounting groove is clean when viewed from the front, and the fashionability is improved.
[0010]
The connection structure for spectacles according to the second aspect of the present invention includes a first member fixed to the spectacle lens and a second member connected to a temple or a bridge, and the first member includes: The second member is introduced from one direction of the first member. The outer member has an oval outer peripheral portion and a mounting groove formed in a portion including at least one arc portion of the outer peripheral portion. And a substantially U-shaped bent portion that elastically engages with the mounting groove, and the mounting groove of the first member is formed over the entire circumference of the outer peripheral portion, and the substantially U-shaped bent portion It is characterized in that one end of the part is formed so as to wrap around the other arc part.
According to the said structure, attachment of the 2nd member with respect to a 1st member becomes reliable, and a 1st member and a 2nd member can be connected more reliably.
[0011]
The connection structure for spectacles according to the third aspect of the present invention includes a first member fixed to the spectacle lens and a second member connected to a temple or a bridge, and the first member includes: A hole and a mounting groove formed in at least a part of the outer peripheral portion so as to be continuous with the hole and having a portion parallel to the hole; and the second member is the first member It has a substantially U-shaped bent portion that is introduced into the hole portion from one direction and elastically engages with the mounting groove.
According to the above configuration, the contact area between the first member and the second member can be sufficiently secured and securely connected, and an advantage in design can be obtained.
[0012]
The first member is preferably made of resin. According to this configuration, the degree of design freedom required for the glasses increases, and it is easy to color the lens differently from the lens, thereby improving fashionability.
[0013]
The first member may be fixed to the spectacle lens by adhesion. This eliminates the need for drilling or adjusting the lens, and makes it easier to produce glasses.
[0014]
Further, the first member may be fixed by inserting a leg portion into a lens hole formed in the spectacle lens.
[0015]
Furthermore, the resin may be transparent. By doing so, the field of view becomes bright without being restricted, and the eyeglasses having a neat design with a feeling of foreign matter on the lens portion being thin can be obtained.
[0018]
The second member may be an alloy connected to the temple via a hinge or a bridge formed from a single wire.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the description of the present specification, expressions representing directions such as “front and rear”, “left and right”, and “up and down” represent directions when glasses are worn by a person in a normal state.
[0020]
1 to 3, a rimless spectacles 100 according to an embodiment of the present invention includes left and right lenses 110, a armor side resin part 120 and a bridge side resin part as first members fixed to the lens 110. 130, the armor 140 as the second member connected to the temple 170 through the hinge 160, and the bridge 150 as the second member.
[0021]
As shown in detail in FIG. 4, the armor-side resin part 120 as the first member extends in a plane substantially parallel to the outer surface of the lens 110, and a part thereof is in contact with the side surface of the lens 110. A substantially oval base 122, an arm 124 extending from the base 122 and positioned on the front surface of the lens 110, and a leg 126 protruding rearward from the arm 124 and substantially parallel to the base 122. A mounting groove 128 is formed on the outer peripheral portion of the base portion 122. As is apparent from FIG. 4, the oval base portion 122 in which the mounting groove 128 is formed includes two arc portions 122 f and 122 r, and in the present embodiment, the two arc portions are the lenses 110. Are arranged in the front-rear direction substantially parallel to the optical axis.
[0022]
And the attachment groove 128 should just be formed in the part containing the circular arc part 122f of the front side at least of this outer peripheral part, but in order to ensure attachment of the 2nd member mentioned later, as shown in FIG. In addition, it is formed over the entire circumference of an oval outer peripheral portion including two arc portions 122f and 122r on the front side and the rear side. As a result, when viewed from the side, the bottom of the mounting groove 128 has a shape having a front arc portion 128f, a rear arc portion 128r, and a parallel portion 128p therebetween.
[0023]
Similarly, as shown in detail in FIG. 5, the bridge side resin part 130 as the first member extends in a plane substantially parallel to the inner side surface of the lens 110, and a part thereof abuts on the side surface of the lens 110. A substantially oval base 132 positioned at the front, an arm 134 extending from the base 132 and positioned at the front surface of the lens 110, and a leg protruding rearwardly from the arm 134 and substantially parallel to the base 132. 136, and a mounting groove 138 is formed on the outer peripheral portion of the base portion 132. As is apparent from FIG. 5, the oval base portion 132 in which the mounting groove 138 is formed includes two arc portions 132 t and 132 b, and in the present embodiment, the two arc portions are the lens 110. Are arranged in a vertical direction substantially orthogonal to the optical axis of
[0024]
The attachment groove 138 may be formed in a portion including at least the arc portion 132t on the upper side of the outer peripheral portion, but in order to ensure attachment with the bridge 150 as a second member to be described later, FIG. As shown in FIG. 6, it is formed over the entire circumference of an oval outer peripheral portion including two arc portions 132t and 132b. As a result, when viewed from the side, the bottom portion of the mounting groove 138 has a shape having an upper arc portion 138t, a lower arc portion 138b, and a parallel portion 138p therebetween.
[0025]
In the present embodiment, as is apparent from FIGS. 1 and 2, lens holes 112 are formed in the lens 110 near the inner and outer edges.
[0026]
In the present embodiment, the alloy 140 is formed from a single metal wire (for example, an elastic material such as nickel / chromium alloy, nickel / titanium alloy), and a hinge 160 described later is provided at one end thereof. The temple 170 is connected via the hinge 160. The temple 170 may be integrally formed without providing the hinge 160.
[0027]
Here, the armor 140 has a substantially U-shaped bent portion 142 that is introduced into the armor-side resin part 120 from one direction and elastically engages with the mounting groove 128 at the end opposite to the hinge 160. Is formed. Specifically, the substantially U-shaped bent portion 142 is continuous with the first leg portion 143 and the second leg portion 144 that are continuous with the hinge 160, and the first leg portion 143 and the second leg portion 144 are formed in the mounting groove 128. It engages elastically with the parallel part 128p in between. Further, as shown in FIG. 6, the distal end portion of the second leg portion 144 is slightly convex toward the first leg portion 143 side so as to be engaged along the arc portion 128 r on the rear side of the mounting groove 128. A curved portion 145 that is curved is provided.
[0028]
Next, the bridge 150 is similarly made of a metal wire (for example, an elastic material such as titanium alloy, nickel / chromium alloy, nickel / titanium alloy) from the first U-shaped bent portion 152 and the second U-shape connected thereto. In this embodiment, the first leg portions 153 of the first U-shaped bent portion 152 are connected to each other by a connecting portion 151. As shown in detail in FIG. 7, the second leg portion 154 of the first U-shaped bent portion 152 is linearly continuous with the first leg portion 156 of the second U-shaped bent portion 155, and The first leg portion 153 and the second leg portion 154 of the first U-shaped bent portion 152 engage with the mounting groove 138 of the bridge-side resin part 130, and the second U-shaped bent portion 155 A nose pad 158 is attached to the tip of the two legs 157.
[0029]
Here, the first U-shaped bent portion 152 protrudes downward in the glasses, and the first leg portion 153 and the second leg portion 154 are parallel to each other, while the first U-shaped bent portion is A second U-shaped bent portion 155 having a first leg portion 156 linearly continuous with the second leg portion 154 of the 152 is convex upward of the glasses, and the first leg portion 156 and the second leg portion 157 thereof. Both are almost parallel to each other. However, the first leg portion 153 of the first U-shaped bent portion 152 and the second leg portion 154 thereof (and the first leg portion 156 of the second U-shaped bent portion 155) and the second U-shaped bent portion. As is apparent from FIG. 1, the second leg portion 157 of the portion 155 is formed so as to substantially overlap when viewed from the front of the glasses.
[0030]
Reference numeral 158 denotes a nose pad, and in this embodiment, it is attached to the tip of the second leg portion 157 of the second U-shaped bent portion 155 constituting the bridge 150. It may be provided on the pad arm.
[0031]
Further, the hinge 160 and the temple 170 will be described with reference mainly to FIG. In the present embodiment, the hinge 160 is constituted by a combination of a substantially drum-shaped socket member 162 and a J-shaped bent portion 172 formed at the end of the temple 170. More specifically, the socket member 162 is formed with a through hole 164 at the center and a flange 166 at the top, and an arc-shaped recess 167 having a predetermined radius of curvature immediately below the flange 166 is smoothly continuous therewith. A concave portion 169 including a linear slope 168 is formed. In this embodiment, the socket member 162 is integrally formed with the armor 140 in such a form that the first leg portion 143 of the armor 140 described above is joined to the arcuate recess 167.
[0032]
A J-shaped bent portion 172 formed at the end portion of the temple 170 made of a metal wire (for example, an elastic material such as titanium alloy, nickel / chromium alloy, nickel / titanium alloy) is inserted into the through hole 164 of the socket member 162. The first leg portion 174 and the second leg portion 176 are provided, and when the first leg portion 174 is inserted through the through hole 164, the socket member 162 is elastically formed by the first leg portion 174 and the second leg portion 176. It is intended to be pinched. Further, the second leg portion 176 is bent at an acute angle with respect to the linear portion at the end of the temple 170, and the outer peripheral portion 178 of the bending is a curvature equal to the radius of curvature of the arc-shaped depression 167 in the socket member 162 described above. It is formed to have a radius.
[0033]
In the embodiment of the present invention, the rimless eyeglasses 100 are assembled and completed by the following procedure. First, the leg part 136 of the armor side resin part 120 and the leg part 136 of the bridge side resin part 130 are inserted into the lens hole 112 in the vicinity of the inner and outer edges of the lens 110, whereby the armor side resin part 120 and the bridge side resin part. 130 are fixed to the lens 110, respectively. Then, the left and right lenses 110 are connected to each other by attaching the bridge 150 to the bridge-side resin part 130. This attachment is made with the first U-shaped bent portion 152 of the bridge 150 facing downward and its first leg 153 and its second leg 154 (and the first leg of the second U-shaped bent portion 155). 156) is introduced into the mounting groove 138 of the bridge-side resin part 130 from below. When the introduction is completed, the first U-shaped bent portion 152 engages with the arc portion 138b on the lower side of the mounting groove 138, and the first leg portion 153 and the second leg portion 154 are parallel portions of the mounting groove 138. The left and right lenses 110 are securely connected by sandwiching 138p.
[0034]
In this state, next, the armor 140 is attached to the armor side resin part 120. Similarly to the case of the bridge 150, the U-shaped bent portion 142 of the armor 140 is faced forward, and the first leg 143 and the second leg 144 are coupled to the mounting groove 128 of the armor side resin part 120. This is done by introducing from the front. When the introduction is completed, the first U-shaped bent portion 142 is engaged with the arc portion 128f on the front side of the mounting groove 128, and the first leg portion 143 and the second leg portion 144 are parallel to the parallel portion 128p of the mounting groove 128. And the curved portion 145 of the second leg portion 144 wraps around and engages with the arc portion 128r on the rear side of the mounting groove 128. As a result, the armor 140 is securely connected to the armor-side resin part 120 by preventing rattling and the like.
[0035]
Finally, the temple 170 is connected to the substantially drum-shaped socket member 162 formed integrally with the armor 140. Specifically, the first leg 174 of the J-shaped bent portion 172 formed at the end of the temple 170 is inserted into the through hole 164 of the socket member 162, and the second leg 176 is engaged with the recess 169. The socket member 162 is elastically held between the first leg 174 and the second leg 176. Thus, the rimless glasses 100 are completed by connecting the components without using any screws.
[0036]
In the rimless eyeglasses 100 configured using the connection structure as described above, when excessive external force acts on the eyeglasses via the temple 170 or the like, the armor side resin part 120 or the bridge as the first member is used. The side resin part 130 and the armor 140 or bridge 150 as the second member are substantially engaged with the mounting groove 128 of the armor side resin part 120 and the mounting groove 138 of the bridge side resin part 130, respectively. Either or both of the U-shaped bent portions 142 and 152 are elastically deformed and detached. As a result, deformation of parts such as the armor 140, the bridge 150, and the temple 170 and the cracking of the lens 110 are prevented.
[0037]
Next, another embodiment of the present invention will be described with reference to FIGS. In the following description, the reference numbers of the other embodiments are distinguished from one embodiment in which 2 is used for the hundreds place and 1 is used for the hundreds place. The same number means the same or the same functional site as that of the embodiment. Therefore, the description given for one embodiment is the description of another embodiment by replacing the hundreds of the reference numbers with 2 except for the differences described below.
[0038]
Another embodiment is different from the above-described one embodiment in that the shape of the armor side resin part and the armor is changed. That is, in another embodiment, a bottomed hole 229 is formed in the base portion 222 of the armor-side resin part 220, and a mounting groove 228 is formed in a part of the outer peripheral portion so as to be continuous with the bottomed hole 229. As is apparent from FIG. 9, the base portion 222 formed with the mounting groove 228 has a rectangular shape with the rear end closed, and the mounting groove 228 includes at least the front side and the lateral side of the bottomed hole 229 and the outer peripheral portion. It is formed in the part containing the corner | angular part. As a result, the bottom portion of the mounting groove 228 has a shape having a front arc portion 228f and a side wall 229p of the bottomed hole 229 and a parallel portion 228p parallel thereto when viewed from above.
[0039]
Here, the armor 240 is introduced into the bottomed hole 229 of the armor-side resin part 220 from one direction at the end opposite to the hinge 160 and elastically engages with the mounting groove 228. The bent portion 242 is formed. Specifically, the substantially U-shaped bent portion 242 is continuous with the first leg portion 243 inserted into the bottomed hole 229 and the second leg portion 244 connected to the hinge 160, and the first leg portion 243 and the second leg portion are connected. The portion 244 is elastically engaged with the side wall 229p of the bottomed hole 229 and the parallel portion 228p of the mounting groove 228 in between. Further, in the middle of the second leg portion 244, as shown in FIG. 10, it is slightly convex toward the first leg portion 243 side so as to go around the rear end side of the base portion 222 after passing through the mounting groove 228 at the time of introduction. A curved portion 245 that is curved is provided.
[0040]
Also in this other embodiment, after the armor-side resin part 220 is fixed to the lens 110, the U-shaped bent portion 242 of the armor 240 is faced forward and the first leg portion 243 is inserted into the bottomed hole 229. By inserting the second leg portion 244 into the mounting groove 228 of the armor side resin part 220 from the front direction while being inserted, the connection is performed.
[0041]
Next, still another embodiment of the present invention will be described. First, the armor-side resin part 120 (220) and the bridge-side resin part 130 as the first member have the leg part 126 (226) and the leg part 136, respectively. Although the embodiment in which the corresponding lens hole 112 is perforated has been described, as still another embodiment, one of the armor side resin part 120 (220) and the bridge side resin part 130, or the legs 126 of both. (226) and the leg 136 can be omitted, and the lens hole 112 drilled in the lens 110 can be omitted corresponding to the omission.
[0042]
In this way, the armor side resin part 120 (220) and the bridge side resin part 130 whose legs are omitted are directly fixed to the surface of the lens 110 with arms 124 (224) and 134 by an adhesive or the like. . This eliminates the need for drilling the lens, and also eliminates the need for adjusting the alignment, thereby significantly reducing the number of work steps.
[0043]
Furthermore, the armor side resin part 120 (220) and the bridge side resin part 130 may be colored in a special color, and in this way, fashionability is improved. The resin part may be transparent. In particular, in the case of the armor side resin part 120 (220) and the bridge side resin part 130 in which the legs are omitted, the field of view is not limited and brightens, and the appearance of foreign matter on the lens part is also faint and clear. You can get glasses with the same design.
[0044]
The mounting grooves 128 and 138 of the armor side resin part 120 and the bridge side resin part 130 are preferably arranged in the vertical direction or the horizontal direction when viewed from the front. This is because it looks neat and looks fashionable when viewed from the front.
[0045]
The direction of introduction of the armor 140 and the bridge 150 into the mounting groove 128 (228) and the mounting groove 138 of the armor side resin part 120 (220) and the bridge side resin part 130, in other words, the insertion direction is the above-described embodiment. Although an example in which the armor 140 is inserted from the front direction and the bridge 150 is inserted from the lower direction has been shown, this may be any direction as long as it is a predetermined direction.
[0046]
As mentioned above, although preferable embodiment of this invention was described, this invention is not limited to the said embodiment. In other words, the features shown in the one and other embodiments can be used interchangeably. For example, the insertion direction of the armor 140 and the bridge 150 may be interchanged. Further, the socket member of the hinge 160 may be attached to the temple 170, and the substantially J-shaped bent portion may be formed in an armature.
[Brief description of the drawings]
FIG. 1 is a front view showing rimless glasses according to an embodiment of the present invention.
FIG. 2 is a plan view showing rimless glasses according to an embodiment of the present invention.
FIG. 3 is a side view showing rimless glasses according to an embodiment of the present invention.
FIG. 4A is a front view, FIG. 4B is a plan view, and FIG. 4C is a side view showing the armor side resin part as the first member of the rimless glasses according to the embodiment of the present invention.
5A is a front view, FIG. 5B is a plan view, and FIG. 5C is a side view showing a bridge-side resin part as a first member of rimless glasses according to an embodiment of the present invention.
FIGS. 6A and 6B show an example of an armor as a second member of rimless eyeglasses according to an embodiment of the present invention, FIG. 6A is a perspective view, and FIG. 6B is a side view showing a connection state between the armor side resin part and the armor. FIG.
FIG. 7 is a perspective view showing an example of a bridge as a second member of rimless glasses according to an embodiment of the present invention.
8A is a side view and FIG. 8B is a plan view showing the socket member of the hinge of the rimless glasses according to the embodiment of the present invention, and FIG. 8C is a side view showing the hinge structure.
9A is a front view, FIG. 9B is a plan view, and FIG. 9C is a side view showing a yoloi-side resin part as a first member of rimless eyeglasses according to another embodiment of the present invention.
FIGS. 10A and 10B show an example of an armor as a second member of rimless eyeglasses according to another embodiment of the present invention, and FIG. 10A shows a perspective view and FIG. 10B shows a connection state between the armor side resin part and the armor. It is a side view.
[Explanation of symbols]
100 Rimless eyeglasses 110 Lens 112 Lens holes 120, 220 Yoroi side resin parts (first member)
122, 222 Base portion 124, 224 Arm portion 126, 226 Leg portion 128, 228 Mounting groove 130 Bridge side resin part (first member)
132 Base 134 Arm 136 Leg 138 Mounting groove 140, 240 Yoroi (second member)
142, 242 substantially U-shaped bent portion 150 bridge (second member)
152 U-shaped bent portion 160 Hinge 170 Temple

Claims (9)

A first member fixed to the spectacle lens;
A second member connected to the temple or bridge ;
Wherein the first member has an outer peripheral portion forming a oblong, and at least one mounting groove that is formed in part component containing an arc portion of the outer peripheral portion of this, the mounting groove, forward When viewed from the vertical direction,
The second member has a substantially U-shaped bent portion that is introduced from one direction of the first member and elastically engages with the mounting groove. A first member fixed to the spectacle lens;
A second member connected to the temple or bridge;
The first member includes an outer peripheral portion having an oval shape, and an attachment groove formed in a portion including at least one arc portion of the outer peripheral portion,
The second member has a substantially U-shaped bent portion that is introduced from one direction of the first member and elastically engages with the mounting groove,
The mounting groove of the first member is formed over the entire circumference of the outer peripheral portion, and is formed so that one end portion of the substantially U-shaped bent portion wraps around another arc portion . connecting structure of that eye mirrors. A first member fixed to the spectacle lens;
A second member connected to the temple or bridge;
The first member has a hole and a mounting groove formed in at least a part of the outer peripheral portion so as to be continuous with the hole, and having a portion parallel to the hole,
Said second member is introduced from one direction into the hole of the first member, you characterized Rukoto to have a substantially U-shaped bent portion for resiliently engaging said mounting groove eye Mirror connection structure. The eyeglass connection structure according to any one of claims 1 to 3, wherein the first member is made of resin. 5. The eyeglass connection structure according to claim 1, wherein the first member is fixed to an eyeglass lens by bonding. 6. The eyeglass connection structure according to claim 1, wherein the first member is fixed by inserting a leg portion into a lens hole formed in the eyeglass lens. .   The eyeglass connection structure according to claim 4, wherein the resin is transparent. The eyeglass connection structure according to any one of claims 1 to 7 , wherein the second member is an armor connected to a temple via a hinge. The eyeglass connection structure according to any one of claims 1 to 8 , wherein the second member is a bridge formed of a single wire.

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