JP2011064921A - Nose pad mounting structure and spectacle frame - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a nose pad mounting structure 1 and a spectacle frame 2 that allow a nose pad 13 and a clings 11 to be extremely easily replaced. <P>SOLUTION: The nose pad mounting structure 1 removably fixes a nose pad 13 for pressing the nose of a spectacle user, to a bridge 8 for interconnecting a pair of right and left rims 7 constituting the lens frame of the spectacle frame 2. The nose pad mounting structure 1 includes: a pair of projections 9 that are separated from each other and protrude from the bridge 8 in the eyepiece direction, a bent section 10 that is inserted between the pair of projections 9 and biased and fixed in the direction of separating the pair of projections 9 from each other, a support body 12 formed of the clings 11 that is integrated with the bent section 10 and extends in the eyepiece direction, and the nose pad 13 fixed to the tip of the clings 11. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a nose pad mounting structure for fixing a nose pad for pressing a nose of a spectacle wearer to a bridge that connects a pair of left and right rims constituting a lens frame of the spectacles, and a spectacle frame including the nose pad mounting structure. In particular, the present invention relates to a nose pad mounting structure and a spectacle frame in which a bridge is provided with a krings and a nose pad is supported via the krings.

  Conventionally, when wearing spectacles, the tip of the temple is hung on the wearer's ear, and the central portion of the front frame is brought into contact with the wearer's nose to fit the spectacle to the wearer. The shape of the portion that abuts on the nose of the wearer includes other than the one that directly puts the bridge connecting the pair of left and right rims on the nose, and the one that abuts the nose pad integrally formed on the rim or bridge. One example is one in which a base end portion of a crings formed by bending a thin metal rod into various shapes on a rim or a bridge is fixed, and a nose pad is fixed to the tip end of the crings.

  As described above, when the crings are interposed between the rim or bridge and the nose pad, the angle and height of the nose pad can be adjusted by deforming the crings according to the shape of the wearer's nose, There is an advantage that the wearability of the glasses can be improved.

  By the way, when fixing the base end of such a Krings to a rim or a bridge, for example, as described in Patent Document 1, the base end of the Krings is embedded and fixed to a rim or a bridge. As described in Document 2, what is fixed by brazing or welding is disclosed as a prior art.

Japanese Utility Model Publication No. 3-11219 JP 2005-122064 A

  However, when the krings are embedded and fixed by brazing or welding as described above, the attaching operation and the detaching operation are complicated and troublesome, and it is difficult to easily replace them at a store or the like. On the other hand, the range that can be deformed is limited, and depending on the shape of the wearer's nose, the angle and height of the nose pad may not be able to be adjusted sufficiently only by the deformation of the krings. There are many cases where you want to replace the Krings, such as when it is damaged.

  Therefore, an object of the present invention is to provide a nose pad mounting structure and a spectacle frame in which the nose pads and the crings can be replaced very easily.

  The nose pad mounting structure according to claim 1 is a nose pad mounting structure in which a nose pad for pressing a nose of a spectacle wearer is detachably fixed to a bridge connecting a pair of left and right rims constituting a lens frame of the spectacles. The pair of protrusions provided to protrude from the bridge in the eyepiece direction with a space between each other and the pair of protrusions are inserted between the pair of protrusions, and the pair of protrusions are urged away from each other. A curved portion made of an elastic body whose both ends are fixed to a pair of projections, a support body made of crings integrally formed with the curved portion and extending in at least the eyepiece direction, and a nose pad fixed to the distal end of the crings It is characterized by providing these.

  A nose pad mounting structure according to a second aspect is the nose pad mounting structure according to the first aspect, wherein one end of each of the pair of protrusions is embedded in the bridge.

  The nose pad mounting structure according to claim 3 is the nose pad mounting structure according to claim 1, wherein the pair of protrusions are opposite side surfaces of a notch formed at substantially the center of the bridge. It is characterized by being provided so as to protrude from.

  The nose pad mounting structure according to claim 4 is the nose pad mounting structure according to claim 1 or 3, wherein the pair of protrusions are formed integrally with the bridge. It is said.

  A spectacle frame according to a fifth aspect is characterized in that the nose pad mounting structure according to any one of the first to fourth aspects is used.

  According to the nose pad mounting structure according to claim 1, a pair of protrusions are provided to protrude from the bridge in the eyepiece direction with a space between each other, and the pair of protrusions are inserted between the pair of protrusions. A curved portion made of an elastic body whose both ends are fixed to the pair of protrusions while urging them in directions away from each other, and a Krings extending in the eyepiece direction are integrally formed to constitute a support body. Since the nose pad is fixed to the tip of the crings, when it is desired to remove the nose pad from the bridge, it is possible to remove the curved part by elastically deforming the curved part away from the pair of protrusions. The nose pad fixed to the Klings can be removed from the bridge very easily.

  Therefore, when the angle and height of the nose pad cannot be adjusted sufficiently only by deformation of the krings, or when the nose pad or the krings are damaged, the nose pad can be replaced very easily.

  Moreover, when wearing spectacles, the left and right nose pads are pressed against the wearer's nose, a load is applied in a direction away from each other, and a force is also applied in a direction spreading to the bending portion via the krings. Each of the two end portions is further pressed against the protruding portion, and it is possible to reliably prevent the curved portion, the krings, and the nose pad from falling off.

  According to the nose pad mounting structure of the second aspect, since one end of the pair of protrusions is embedded in the bridge, the strength of the protrusions can be sufficiently maintained.

  According to the nose pad mounting structure according to claim 3, the pair of protrusions are provided so as to protrude from the opposite side surfaces of the notch portions formed at substantially the center of the bridge. If you want to remove it from the bridge, you can elastically deform the curved part away from the pair of projections and pull it out from the notch, and the support body consisting of the curved part and the Klings and the nose pad fixed to the Klings can be removed from the bridge. Easy to remove. Therefore, when the angle and height of the nose pad cannot be adjusted sufficiently only by deformation of the krings, or when the nose pad or the krings are damaged, the nose pad can be replaced very easily.

  According to the nose pad mounting structure of the fourth aspect, since the pair of protrusions are formed integrally with the bridge, the number of parts can be reduced and the manufacturing cost can be reduced as compared with the case where a separate protrusion is provided. Can be suppressed.

  According to the spectacle frame of the fifth aspect, since the nose pad mounting structure according to any one of the first to fourth aspects is used, the nose pad can be replaced very easily. An appropriate spectacle frame can be obtained according to the shape of the nose.

The perspective view explaining the whole structure of a spectacles frame. The figure explaining the structure of the front frame of a spectacles frame. The partially expanded view explaining the nose pad attachment structure provided in the bridge | bridging part of the spectacles frame. The simplified sectional view explaining the composition of the projection part embedded in a spectacles frame. The front view which shows the support part which consists of a curved part and a krings, and the nose pad fixed to a krings. The perspective view which shows the support part which consists of a curved part and a krings, and the nose pad fixed to a krings. The partially expanded view explaining the state which attaches a nose pad attachment structure to the bridge | bridging of a spectacles frame. The partially expanded view explaining the state which attaches the nose pad attachment structure of another embodiment to the bridge | bridging of a spectacles frame. The partially expanded view explaining the state which attached the nose pad attachment structure of another embodiment to the bridge | bridging of the spectacles frame.

  Hereinafter, the best embodiment of the nose pad mounting structure 1 and the spectacle frame 2 using the nose pad mounting structure 1 according to the present invention will be described with reference to the drawings.

  As shown in FIG. 1, the spectacle frame 2 is connected to a front frame 3 that is the front surface of the spectacle frame 2 and to both ends of the front frame 3 via hinges 4 and is foldable with respect to the front frame 3. And is formed by.

  As shown in FIGS. 1 and 2, the front frame 3 is formed of a synthetic resin such as celluloid or acetate, and serves as a frame for fixing a lens 6 for protecting the wearer's eyes or correcting eyesight. A pair of left and right rims 7 and a bridge 8 connecting the rims 7 to each other are the main components. A nose pad mounting structure 1 is provided on the eyepiece side surface of the bridge 8. The front frame 3 is formed of a synthetic resin such as celluloid or acetate, but is not limited to a synthetic resin, and may be formed of a metal such as titanium. In this embodiment, the rim 7 and the bridge 8 constituting the front frame 3 are integrally formed, but may be formed separately and connected by screws or the like, and two or more different ones may be formed. A material may be used.

  As shown in FIGS. 3 and 4, the nose pad mounting structure 1 has a pair of protrusions 9 provided on the bridge 8 and both ends that are inserted between the protrusions 9 are fixed to the protrusions 9. And a support body 12 composed of the krings 11 integrally formed at both ends of the bending section 10 and a nose pad 13 fixed to the tip of the krings 11. The pair of projections 9 are small cylindrical metal members having a diameter of about 1 mm that are fixed to the bridge 8 with an interval of, for example, about 15 mm. As shown in FIG. A flange 14 extending outward is formed, one end of which is embedded and fixed in the bridge 8, and the other end projects in the eyepiece direction.

  Note that the protruding portion 9 does not have to be embedded at one end in the bridge 8. For example, the protruding portion 9 may be fixed to the bridge 8 by welding or bonding, or may be integrally formed with the bridge 8. May be. Further, the material of the protrusion 9 is not limited to metal, and may be made of resin or the like as long as necessary strength can be ensured. Further, the shape of the protruding portion 9 is not limited to a substantially cylindrical shape, and may be a substantially polygonal columnar shape such as a triangular prism shape or a quadrangular prism shape, formed so as to protrude from the bridge 8, and both end portions of the curved portion 10 are Any shape can be used as long as it can be hooked.

  The support 12 is made of a metal having a certain elasticity such as titanium. As shown in FIGS. 5 and 6, the bending portion 10 constituting the support body 12 is a slightly curved elastic body, and when a load is applied to both ends of the bending portion 10 in a direction approaching each other, the bending portion 10 further increases. Elastically deforms in the direction of bending, and elastic force acts in the direction of rebound. Semi-circular portions 15 formed so as to coincide with the protruding portions 9 are formed at both ends of the curved portion 10. The crings 11 are formed at the both ends of the bending portion 10 so as to stand upright from the semicircular portion 15 toward the eyepiece direction, and are formed in the vicinity of the tip thereof, and bent so that the angle of the nose pad 13 can be adjusted. And the angle adjusting unit 17. In addition, embodiment of this invention is not limited to what the semicircle part 15 is formed in the both ends of the bending part 10, and employ | adopts the various shape fixed in alignment with the projection part 9. FIG. Can do.

  A nose pad 13 made of, for example, silicon is fixed to the tip of the clings 11. The nose pad 13 can be fixed by various methods such as adhesion, welding, and embedding. However, the nose pad 13 can be fixed by wrapping a metal around the tip of the crings 11 so that only the nose pad 13 can be replaced. A detachable configuration such as a screw fixing unit is preferable.

  When the nose pad mounting structure 1 configured as described above is attached to the bridge 8 of the spectacle frame 2, as shown in FIG. 7, both ends of the bending portion 10, the pair of crings 11, or the pair of nose pads 13 are mutually attached. By applying a force in the approaching direction, the bending portion 10 is elastically deformed in a further bending direction. Then, the bending portion 10 is inserted between the pair of protruding portions 9, and as shown in FIG. 3, the semicircular portions 15 formed at the end portions of the bending portion 10 are brought into contact with the respective protruding portions 9. At this time, the bending portion 10 urges the pair of projections 9 in the direction away from each other by the elastic force, so that the semicircular portion 15 is firmly engaged with the projection 9 and fixed. Therefore, the support body 12 and the support body 12 can be easily obtained simply by elastically deforming the bending section 10 and bending the bending section 10 so that the semicircular portions 15 formed at both ends of the bending section 10 are brought into contact with the protrusions 9. A nose pad 13 fixed to the tip of the krings 11 can be fixed to the bridge 8.

  Moreover, when wearing glasses, a force is applied to the pair of nose pads 13 in the direction away from the left and right on the wearer's nose, so that the force is transmitted to the bending portion 10 via the krings 11, The semicircular portions 15 formed at both ends of the bending portion 10 are more firmly engaged with the protrusions 9, and the krings 11 integrally formed with the bending portion 10 and the nose pad 13 fixed to the crings 11 are bridged. It is possible to surely prevent the dropout from 8.

  Further, when the nose pad mounting structure 1 is removed from the bridge 8 of the spectacle frame 2, a force is applied to the pair of crings 11 or the pair of nose pads 13 toward each other to elastically deform the bending portion 10 in a further bending direction. Let As a result, the semicircular portions 15 formed at both ends of the bending portion 10 are separated from the protrusion 9. Then, with the force applied to the bending portion 10, the nose pad 13 fixed to the support 12 and the crings 11 from the bridge 8 is removed from the bridge 8 by pulling the bending portion 10 between the pair of protrusions 9. It can be removed very easily.

  As described above, according to the nose pad mounting structure 1 of the present embodiment, the support body 12 composed of the bending portion 10 and the clings 11 and the nose pad 13 can be replaced very easily. By preparing a plurality of support bodies 12 having different lengths, the height of the nose pad 13 can be made more appropriate according to the shape of the wearer's nose.

  Next, another embodiment of the present application will be described with reference to FIGS. In addition, about the same structure as the above-mentioned embodiment, the same code | symbol is attached | subjected and description is abbreviate | omitted. In another embodiment, for example, as shown in FIGS. 8 and 9, a notch 18 is provided on the eyepiece side surface of the bridge 8. The cutout portion 18 is cut out into a substantially rectangular shape having an open lower surface when wearing spectacles. On the opposite side surfaces 19 of the notch 18, protrusions 20 are formed on the left and right sides that are slightly raised in a semi-cylindrical shape toward the inside of the notch 18 and are integrally formed with the bridge 8. And the semicircle part 15 of the shape matched with this projection part 20 is provided in the both ends of the bending part 10, respectively. A pair of clings 11 extends from both ends of the bending portion 10 in the eyepiece direction, and nose pads 13 are fixed to the tips of the crings 11, respectively.

  When the nose pad mounting structure 1 configured as described above is attached to the bridge 8 of the spectacle frame 2, as shown in FIG. 8, the both ends of the bending portion 10, the pair of crings 11, or the pair of nose pads 13 are mutually attached. By applying a force in the approaching direction, the bending portion 10 is elastically deformed in a further bending direction, the bending portion 10 is inserted between the pair of protrusions 9, and as shown in FIG. The semicircular portions 15 formed in the above are brought into contact with the respective projecting portions 20. At this time, since the bending portion 10 urges the pair of protrusions 20 in the direction away from each other by the elastic force, the semicircular portion 15 is firmly engaged with and fixed to the protrusion 20.

  On the other hand, when the nose pad mounting structure 1 is removed from the bridge 8 of the spectacle frame 2, a force is applied to the pair of crings 11 or the pair of nose pads 13 toward each other, and the bending portion 10 is elastically deformed in a further bending direction. Let As a result, the semicircular portions 15 formed at both ends of the bending portion 10 are separated from the protruding portion 20. Then, the nose pad 13 fixed to the support body 12 and the crings 11 from the bridge 8 is very easily removed from the bridge 8 by pulling out the curved portion 10 from the notch 18 while the force is applied to the curved portion 10. Can be removed.

  Thus, in the present invention, even in the configuration in which the notch portion 18 is provided, it can be replaced very easily as in the configuration in which the projection portion 9 protruding from the bridge is provided. By preparing the support body 12, the height of the nose pad 13 can be made more appropriate according to the shape of the wearer's nose.

  In addition, embodiment of this invention is not restricted to the above-mentioned form, It can change suitably in the range which does not deviate from the range of the thought of this invention.

  The nose pad mounting structure 1 and the spectacle frame 2 according to the present invention can be suitably used as the spectacle frame 2 adopting the nose pad mounting structure 1 with better wearability.

DESCRIPTION OF SYMBOLS 1 Nose pad mounting structure 2 Eyeglass frame 7 Rim 8 Bridge 9 Protrusion part 10 Bending part 11 Krings 12 Support body 13 Nose pad 18 Notch part 19 Side surface

Claims (5)

A nose pad mounting structure for detachably fixing a nose pad that holds the nose of a spectacle wearer to a bridge that connects a pair of left and right rims constituting a lens frame of the spectacles,
A pair of protrusions provided to protrude from the bridge in the eyepiece direction, spaced apart from each other;
A bending portion formed of an elastic body that is fitted between the pair of protrusions and has both ends fixed to the pair of protrusions while urging the pair of protrusions away from each other; and the bending portion A support made of Klings formed integrally with and extending at least in the eyepiece direction;
A nose pad mounting structure, comprising: a nose pad fixed to the tip of the crings.   The nose pad mounting structure according to claim 1, wherein one end of each of the pair of protrusions is embedded in the bridge.   2. The nose pad mounting structure according to claim 1, wherein the pair of protrusions are provided so as to protrude from opposite side surfaces of a notch formed at substantially the center of the bridge.   The nose pad mounting structure according to claim 1 or 3, wherein the pair of protrusions are formed integrally with the bridge.   An eyeglass frame using the nose pad mounting structure according to any one of claims 1 to 4.

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