JP2014211546A - Dust-proof member for spectacle, and method of manufacturing dust-proof tool for spectacle using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a dust-proof member for spectacles allowing easy manufacturing of a dust-proof tool for spectacles at a low cost, and to provide a method of manufacturing the dust-proof tool for spectacles using the dust-proof member.SOLUTION: The dust-proof member for spectacles of the present invention includes: a flat flexible sheet body 1 that is integrally molded with transparent resin and includes a body region 11 and projection regions 12 projecting from the body region 11 in the same direction; and an annular elastic body 2. The body region 11 includes a first body region 11a, a second body region 11b, and a third body region 11c. The first body region 11a includes a first through hole 111 and a first cut section 113. The third body region 11c includes a second through hole 112 and a second cut section 114. The elastic body 2 can be inserted into both of the first through hole 111 and second through hole 112.

Description

  The present invention relates to a spectacle dustproof member for manufacturing a spectacle dustproof device that is detachably locked to spectacles including a lens, and a spectacle dustproof device using the same. In particular, the present invention relates to a spectacle dustproof member capable of easily manufacturing a spectacle dustproof device at a reduced cost and a spectacle dustproof device manufacturing method using the same.

  Conventionally, various spectacle dust protectors have been proposed in order to protect eyes from dust, flying objects, wind pressure, etc. in addition to pollen.

  As a spectacle dust protector, in a state of being locked to spectacles (spectacles having a rim or rimless spectacles), a cylindrical member positioned behind the lens and an engaging part engaging with the outer peripheral part of the lens A dustproof tool for spectacles has been proposed (see, for example, Patent Document 1). The cylindrical member of such a spectacle dustproof device includes an upper wall portion, a side wall portion, and a lower wall portion. The engaging portion protrudes from the upper wall portion and the lower wall portion of the cylindrical member, and can be engaged with the outer peripheral portion of the lens or the outer peripheral portion of the rim. By engaging the engaging portion of the spectacle dustproof device having such a configuration with the outer peripheral portion of the lens or the outer peripheral portion of the rim, the cylindrical member is locked to the outer peripheral portion of the lens or the outer peripheral portion of the rim. When the spectacle dustproof device is locked to the spectacles, the upper wall portion of the cylindrical member is located behind the upper portion of the lens, the side wall portion is located behind the side portion of the lens, and the lower wall portion is the lens. Located at the rear of the bottom. That is, since the back of the lens is covered with the cylindrical member, the glasses can be provided with a dustproof function.

  However, in the dustproof tool for spectacles described in Patent Document 1, the ease of manufacturing is not considered in manufacturing the dustproof tool for spectacles.

  In order to manufacture the dustproof tool for spectacles described in Patent Document 1, for example, it is conceivable to separately manufacture a cylindrical member or an engaging portion and attach the engaging portion to the cylindrical member by bonding or the like. For the production of the cylindrical member and the engaging portion, it is conceivable to prepare molds according to the respective shapes, and fill the molds with resin and perform injection molding. In this case, it is necessary to prepare a mold, a resin injection molding process, and a process of bonding the engaging portion to the cylindrical member. There is a problem that becomes high.

JP 2010-2111169 A

  The present invention has been made to solve such problems of the prior art, and is capable of easily manufacturing a spectacle dustproof device at a reduced cost, and a spectacle dustproof device using the same. It is an object of the present invention to provide a tool manufacturing method.

  In order to solve the above problems, the present invention is a spectacle dustproof member for manufacturing a spectacle dustproof tool that is detachably locked to spectacles including a lens portion, and the spectacle dustproof tool includes: An upper wall portion located behind the upper portion of the lens portion, a side wall portion connected to the upper wall portion and located behind the side portion of the lens portion, and the side wall portion in a state of being locked to the glasses. A cylindrical member consisting of a lower wall portion located at the back of the lower portion of the lens portion, and a front portion of the lens portion that protrudes from the upper wall portion and the lower wall portion, and engages with an outer peripheral portion of the lens portion. The dust-proof member for glasses is integrally molded with a transparent resin, and corresponds to the barrel region corresponding to the tubular member and in the same direction from the barrel region corresponding to the engagement portion. A flat flexible sheet body comprising a protruding region protruding; An annular elastic body attached to the body region, and the body region is arranged in parallel with the first body region corresponding to the upper wall portion and the first body region corresponding to the side wall portion. A second body region, and a third body region corresponding to the lower wall portion and juxtaposed in the second body region along the juxtaposing direction of the first body region and the second body region And the first body region includes a first through hole provided at a first end portion in the juxtaposition direction opposite to the side on which the second body region is juxtaposed, and A first cutting portion extending from an outer edge of the first end portion to the first through hole, and the third body region is the side of the side opposite to the side where the second body region is provided side by side. A second through hole provided at a second end portion in the installation direction; and a second cut portion extending from an outer edge of the second end portion to the second through hole, wherein the elastic body includes the first through hole. Perforation Providing dustproof member for eyeglasses, which is a possible inserted through both the second through-hole.

The dustproof member for glasses according to the present invention includes a flexible sheet body and an annular elastic body. The flexible sheet body includes a body region corresponding to the tubular member and a protruding region corresponding to the engaging portion. Naturally, the body region and the projecting region constituting the flexible sheet body have flexibility. The torso region includes a first torso region, a second torso region, and a third torso region. The second torso region is juxtaposed with the first torso region, and the third torso region is provided. Are juxtaposed in the second body region along the direction in which the first body region and the second body region are juxtaposed. Specifically, the first body region, the second body region, and the third body region are arranged in the juxtaposed direction in the order of the first body region, the second body region, and the third body region. Yes. Naturally, the first body region, the second body region, and the third body region have flexibility. The first body region has a first through hole provided in the first end portion in the juxtaposition direction opposite to the side on which the second body region is juxtaposed. The third body region has a second through hole provided at the second end in the juxtaposition direction opposite to the side on which the second body region is juxtaposed. In other words, the body region has the first through hole and the second through hole at both ends in the juxtaposed direction. The first body region has a first cutting portion extending from the outer edge of the first end portion to the first through hole. Since the first body region is flexible, the first cut portion is expanded beyond the thickness of the annular elastic body, and a part of the annular elastic body passes from one end of the first cut portion to the other end. The first through hole can be inserted. As a result, the first body region is inserted inside the annular elastic body. The third body region has a second cutting portion extending from the outer edge of the second end portion to the second through hole. Since the third body region is flexible, the second cut portion is expanded beyond the thickness of the annular elastic body, and a part of the annular elastic body passes from one end of the second cut portion to the other end. The second through hole can be inserted. Thereby, it will be in the state by which the 3rd trunk | drum part area | region was penetrated inside the cyclic | annular elastic body.
The first body region corresponds to the upper wall portion, the second body region corresponds to the side wall portion, and the third body region corresponds to the lower wall portion. For this reason, if a trunk | drum area | region (1st-3rd trunk | drum area | region) is curved to a cylinder shape and a part of cyclic | annular elastic body is each inserted in a 1st through-hole and a 2nd through-hole, it will become cyclic | annular. The first body region and the third body region are inserted inside the elastic body, and the state where the body region is curved in a cylindrical shape can be maintained. That is, the body region can be formed in the cylindrical member. Since the protruding region has flexibility, the tip of the protruding region can be bent. Since the protruding region protrudes from the body region in the same direction, the protruding region can be formed in the engaging portion by bending the tip portion. Since the sheet body having the body region and the projecting region is a transparent resin, the cylindrical member and the engaging portion respectively formed from each region are naturally transparent, and are configured by the cylindrical member and the engaging portion. Even if the spectacle dustproof tool is locked to the spectacles, the field of view is not blocked by the spectacle dustproof tool.
According to the dustproof member for glasses according to the present invention, the sheet body including the body region and the projecting region is flat and is integrally molded with resin. For this reason, a flexible sheet body can be manufactured by simply punching a flat resin. And the dustproof tool for spectacles can be manufactured by simple processes, such as curving the trunk | drum area | region of a flexible sheet | seat body. That is, it is not necessary to prepare a mold, a resin injection molding process, or a process of bonding the engaging portion to the cylindrical member, so that it is possible to easily manufacture a dustproof tool for spectacles at a reduced cost. There is an effect. According to the dustproof member for glasses according to the present invention, it is possible to easily manufacture a dustproof device for glasses. Therefore, the user who purchased the dustproof member for glasses not only manufactures the dustproof device for glasses, but also purchases the dustproof member for glasses. It is also possible to manufacture a dustproof tool for spectacles.

  Here, when the spectacles to which the present invention is applied are spectacles including a rim for holding a lens, the lens portion means a configuration in which the lens and the rim are combined. On the other hand, when the spectacles to which the present invention is applied are rimless spectacles, the lens portion means a lens.

  Preferably, the projecting region has a front end bent portion extending in a direction substantially perpendicular to the projecting direction of the projecting region, and the front end of the projecting region can be bent with the front end bent portion as a base point. The body region includes a first bent portion formed at a boundary portion between the first body region and the second body region, and a boundary portion between the second body region and the third body region. The first body region is foldable with respect to the second body region from the first bending portion, and the third body portion The region is configured to be bendable with respect to the second body region starting from the second bent portion.

According to such a preferable configuration, in order to manufacture the dustproof device for spectacles, when the engagement portion is formed by bending the distal end portion of the protruding region, the distal end portion of the protruding region can be bent with the distal bent portion as a base point. That's fine. That is, since the front end bent portion can be used as a mark when the front end portion of the projecting region is bent, the projecting region can be more easily formed in the engaging portion.
Moreover, according to such a preferable structure, when manufacturing a cylindrical member by curving a trunk | drum area | region in order to manufacture the dustproof tool for spectacles, a 1st bending part and a 2nd bending part are provided. As a base point, the first body region and the third body region may be bent with respect to the second body region. That is, since the first bent portion and the second bent portion can be used as a mark when the barrel region is curved in a cylindrical shape, the barrel region can be formed on the cylindrical member more easily. Is possible.

  Here, as a configuration in which the tip end portion of the protruding region can be bent with the tip bent portion as a base point, the tip bent portion may be a notch or a perforation formed in the protruding region, which serves as a mark for bending. The line drawn in the protruding region may be used. In addition, even if the first body part and the third body area can be bent with respect to the second body area with the first bent part and the second bent part as base points, The two bent portions may be cuts or perforations formed at the boundary portions of the body regions, or may be lines drawn at the boundary portions so as to serve as marks for bending.

  Preferably, the projecting region has a plurality of the tip bent portions, and the body region has a plurality of the first bent portions and a plurality of the second bent portions.

  According to such a preferable configuration, when the distal end portion of the protruding region is bent to form the engaging portion, the distal end portion of the protruding region can be bent with an arbitrary distal bent portion as a base point. For this reason, it is easy to adjust the length of the tip portion so that the tip portion can be easily engaged in accordance with the thickness of the lens portion by bending it with an arbitrary tip bent portion as a base point. Therefore, the spectacle dustproof device manufactured by the spectacle dustproof member according to the present invention can be easily applied to a plurality of types of spectacles having different lens thicknesses. In addition, when the body region is curved into a tubular shape and formed into a tubular member, the first body region and the third body portion are based on the arbitrary first bent portion and the optional second bent portion. The region can be bent with respect to the second body region. For this reason, it is easy to adjust the vertical dimension of the cylindrical member according to the vertical dimension of the lens part by bending the arbitrary first bent part and the optional second bent part as a base point. Therefore, the spectacle dustproof device manufactured by the spectacle dustproof member according to the present invention can be easily applied to a plurality of types of spectacles having different vertical dimensions of the lens portion. Therefore, for example, even when a plurality of spectacles are used according to TPO, there is an advantage that a spectacle dustproof tool using the same spectacle dustproof member can be easily used for each spectacle.

  The present invention is a method for manufacturing a spectacle dustproof device using the spectacle dustproof member according to claim 1, wherein a step of bending a tip end portion of the protruding region, the first cutting portion and the second cutting portion are provided. A step of inserting a part of the elastic body into one of the first through hole and the second through hole, and the first end portion abuts on the second end portion. As described above, through the other one of the first cutting portion and the second cutting portion so as to keep the barrel region curved in a cylindrical shape and the barrel region curved in a cylindrical shape. And a step of inserting the other part of the elastic body into the other of the first through hole and the second through hole.

  In the manufacturing method according to the present invention, the protruding region can be formed in the engaging portion by the step of bending the tip of the protruding region. Also, a step of inserting a part of the annular elastic body through the first through hole into the first through hole, and a step of bending the trunk region into a cylindrical shape so that the first end portion abuts the second end portion. And inserting the other part of the annular elastic body into the second through hole through the second cutting portion so that the barrel region is kept in a cylindrical shape. It is possible to form and hold. First, even when a part of the elastic body is inserted through the second through hole through the second cutting portion, the body region can be similarly formed in the cylindrical member. In the manufacturing method according to the present invention, when manufacturing a spectacle dustproof tool using a spectacle dustproof member including a flexible sheet body and an annular elastic body integrally molded, a mold is prepared or a resin is used. This eliminates the need for the injection molding step and the step of adhering the engaging portion to the cylindrical member, so that it is possible to easily manufacture a spectacle dustproof device at a reduced cost. According to the manufacturing method according to the present invention, it is possible to easily manufacture a spectacle dustproof device, so that not only the spectacle dustproof device is manufactured at a spectacles store, but also the user who purchased the spectacle dustproof member himself / herself It is also possible to manufacture a dustproof device.

  Further, the present invention is a method for manufacturing a spectacle dustproof device using the spectacle dustproof member according to claim 2 or 3, wherein the tip end portion of the protruding region is bent with the tip bent portion as a base point. A step of inserting a part of the elastic body into one of the first through hole and the second through hole through one of the first cutting part and the second cutting part; The first body part region is bent with respect to the second body part region with the first bent part as a base point so that one end part is in contact with the second end part, and the second bent part is a base point Bending the third body region with respect to the second body region and bending the body region into a tubular shape, and maintaining the state where the body region is curved into a tubular shape, The first through hole and the first cutting part and the second cutting part through the other It is also possible to provide a serial manufacturing method of the dust-instrument eyeglasses which comprises a step for inserting the other end of the elastic body in any other of the second through hole.

  In the manufacturing method according to the present invention, in addition to the above-described effects, the protrusion region can be more easily formed in the engaging portion by having a step of bending the tip portion of the protrusion region with the tip bent portion as a base point. Can do. And a step of bending the first body region with respect to the second body region with the first bent portion as a base point, and bending the third body region with respect to the second body region with the second bent portion as a base point. By having this, the body region can be formed on the cylindrical member more easily. That is, according to the manufacturing method according to the present invention, there is an effect that the dustproof tool for glasses can be manufactured more easily.

  As described above, according to the present invention, it is possible to provide a spectacle dustproof member capable of easily manufacturing a spectacle dustproof device at a reduced cost, and a spectacle dustproof device manufacturing method using the spectacle dustproof device.

FIG. 1 is a configuration diagram of a spectacle dustproof member according to an embodiment of the present invention. FIG. 2 is a configuration diagram of a spectacle dustproof device manufactured by the spectacle dustproof member according to the embodiment of the present invention. FIG. 3 is an external view of spectacles including a rim on which a spectacle dustproof device is locked. FIG. 4 is a front view of a half-rim type eyeglass with the eyeglass dust guard locked. FIG. 5 is a front view of the rimless eyeglasses with the eyeglass dust guards locked thereto. FIG. 6 shows a modification of the dustproof member for glasses according to the embodiment of the present invention. FIG. 7 shows a modification of the dustproof member for glasses according to the embodiment of the present invention.

  Hereinafter, a method for manufacturing a dustproof member for glasses according to an embodiment of the present invention and a dustproof tool for glasses using the same will be described with reference to the accompanying drawings. FIG. 1 is a configuration diagram of a dustproof member for glasses according to an embodiment of the present invention, FIG. 1A is a plan view of a sheet body of the dustproof member for glasses, and FIG. It is a top view of the attached sheet | seat body. As shown in FIG. 1B, the eyeglass dustproof member 100 according to the present embodiment includes a sheet body 1 and an elastic body 2. The sheet body 1 is flat and has flexibility. Specifically, the sheet body 1 is integrally molded with a transparent resin. The sheet body 1 is made of, for example, a polyamide-based resin. The elastic body 2 is configured in an annular shape and has elasticity. For this reason, when the elastic body 2 is extended, a contraction force is generated in the elastic body 2. The elastic body 2 is made of, for example, a resin such as silicon.

  As shown in FIG. 1, the flexible sheet body 1 includes a body region 11 and a protruding region 12. Naturally, the trunk region 11 and the protruding region 12 have flexibility. The body region 11 includes a first body region 11a, a second body region 11b, and a third body region 11c. Specifically, the second body region 11b is arranged in parallel with the first body region 11a, and the third body region 11c is arranged in parallel with the first body region 11a and the second body region 11b. Along the direction, the second body region 11b is juxtaposed. More specifically, the first body region 11a, the second body region 11b, and the third body region 11c are in the order of the first body region 11a, the second body region 11b, and the third body region 11c. , Lined up side by side. The first body region 11a has a first through hole 111 provided at a first end portion in the juxtaposition direction opposite to the side on which the second body region 11b is juxtaposed. Moreover, the 3rd trunk | drum part area | region 11c has the 2nd through-hole 112 provided in the 2nd edge part of the parallel arrangement direction on the opposite side to the side in which the 2nd trunk | drum part area | region 11b was arranged in parallel. That is, the body region 11 has the first through-hole 111 and the second through-hole 112 at both ends in the juxtaposed direction. The first body region 11 a has a first cutting portion 113 extending from the outer edge of the first end portion to the first through hole 111. Since the body region 11a is flexible, the first cutting portion 113 is expanded to the thickness of the annular elastic body 2, and a part of the annular elastic body 2 is extended from one end to the other end of the first cutting portion 113. And can be inserted through the first through-hole 111. Thereby, as shown in FIG. 1B, the first body region 11 a is inserted inside the annular elastic body 2. Specifically, a part of the first body region 11 a is inserted inside the annular elastic body 2. The third body region 11 c includes a second cutting portion 114 that extends from the outer edge of the second end portion to the second through hole 112. Since the third body region 11c is also flexible, the second cutting portion 114 is spread beyond the thickness of the annular elastic body 2, and a part of the annular elastic body 2 is extended from one end of the second cutting portion 114. The second through hole 112 can be inserted through the other end. As a result, the third body region 11c is inserted inside the annular elastic body 2. Specifically, a part of the third body region 11 c is inserted inside the annular elastic body 2.

  FIG. 2 is a configuration diagram of a spectacle dustproof tool 101 manufactured by the spectacle dustproof member 100 according to the embodiment of the present invention, and FIG. 2A is a front view of the spectacle dustproof tool 101. FIG. FIG. 2B is a plan view of the spectacle dust protector 101, and FIG. 2C is a left side view of the spectacle dust protector 101. As shown in FIG. 2, the eyeglass dust protector 101 includes a cylindrical member 3, an engagement portion 4, and an elastic body 2. The tubular member 3 includes an upper wall portion 31, a side wall portion 32, and a lower wall portion 33. Regarding the correspondence relationship between the spectacle dustproof member 100 and the spectacle dustproof tool 101, the body region 12 corresponds to the cylindrical member 3, and the protruding region 12 corresponds to the engagement portion 4. Specifically, the first body region 11 a corresponds to the upper wall portion 31, the second body region 11 b corresponds to the side wall portion 32, and the third body region 11 c corresponds to the lower wall portion 33. Further, the protruding region 12 protruding from the first body region 11 a corresponds to the engaging portion 4 protruding from the upper wall portion 31, and the protruding region 12 protruding from the third body region 11 c protrudes from the lower wall portion 33. Corresponds to the engaging portion 4.

  As shown in FIG. 1, the body region 11 includes a boundary portion 11d between the first body region 11a and the second body region 11b, and a boundary portion 11e between the second body region 11b and the third body region 11c. Is further provided. In FIG. 1, the boundaries between the body regions 11a, 11b, and 11c and the boundary portions 11d and 11e are indicated by alternate long and short dash lines. In the present embodiment, the body region 11 is formed in a substantially bow shape in plan view, but the present invention is not limited to this, and the body region 11 is curved and formed into a cylindrical member. It is not particularly limited as long as it can.

  The protruding regions 12 protrude from the body region 11 in the same direction. As shown in FIG. 1, in the present embodiment, four projecting regions 12 project from the body region 11. Since the protruding region 12 has flexibility, the tip of the protruding region 12 can be bent. In the present embodiment, four projecting regions 12 project from the body region 11, but the present invention is not limited to this, and it is sufficient that the projecting regions 12 project two or more from the body region 11. Specifically, it suffices if one or more protrudes from the first body region 11a and one or more protrudes from the third body region 11c. Further, in the present embodiment, the protruding region 12 is formed in a substantially rectangular shape when the sheet body 1 is viewed in plan, but the present invention is not limited to this, and the projecting region 12 is substantially viewed in plan view. There is no particular limitation as long as the tip can be bent, such as an oval shape or a substantially triangular shape.

  As described above, the sheet body 1 of the dustproof member 100 for glasses according to the present embodiment is made of a flat resin. The first through hole 111, the second through hole 112, the first cutting part 113, and the second cutting part 114 constituting the sheet body 1 are all processed and formed from a direction perpendicular to the plane of the sheet body 1. Therefore, it can be integrally formed by simply punching. For this reason, it is possible to integrally mold the sheet body 1 by simply punching a flat resin.

  Up to now, the spectacle dustproof member 100 has been described. Hereinafter, a method of manufacturing the spectacle dustproof tool 101 using the spectacle dustproof member 100 will be described.

  First, the front ends of the protruding regions 12 are bent. Next, as shown in FIG. 1B, the elastic body 2 is attached to the sheet body 1. In the present embodiment, a part of the elastic body 2 is inserted through the first through hole 111 through the first cutting portion 113. Specifically, the first cutting portion 113 is pushed out to the thickness of the annular elastic body 2 or more, and a part of the annular elastic body 2 passes from one end of the first cutting portion 113 to the other through the first through hole. 111 is inserted. Then, both end portions of the trunk region 11 (first end portions in the juxtaposed direction opposite to the side where the second trunk region 11b is juxtaposed at the end of the first trunk region 11a, and the first The barrel region 11 is formed in a cylindrical shape so that the end of the three barrel regions 11c and the second end portion in the juxtaposition direction opposite to the side where the second barrel region 11b is juxtaposed are in contact with each other. To bend. Finally, the other part of the elastic body 2 is inserted into the second through-hole 112 through the second cutting part 114 so that the body part region 11 is maintained in a cylindrical shape. Specifically, the second cutting portion 114 is pushed and expanded to the thickness of the annular elastic body 2, and the other portion of the annular elastic body 2 passes from one end of the second cutting portion 114 to the other through the second through hole. 112 is inserted. As a result, a part of the first body region 11a and a part of the third body region 11c are inserted inside the annular elastic body 2, so that the first through hole 111 and the second through hole 112 are inserted. Due to the contraction force of the elastic body 2 inserted through the body portion 11, the body region 11 can be held in a cylindrical shape. As a result, the spectacle dustproof tool 101 as shown in FIG. 2 can be manufactured using the spectacle dustproof member 100. As described above, the method for manufacturing the spectacle dust protector 101 according to the present embodiment can manufacture the spectacle dust protector 101 through a simple process such as bending the body region 11 of the flexible sheet 1. . That is, a mold for manufacturing the cylindrical member 3 and the engaging part 4 is prepared, a resin injection molding process using the mold, and a process of bonding the engaging part 4 to the cylindrical member 3. Since it is unnecessary, it is possible to easily manufacture a spectacle dustproof device at a reduced cost.

  The manufacturing method of the dustproof tool 101 for glasses according to the present embodiment is not limited to the above-described procedure, and for example, a step of bending the tip of the protruding region may be performed after the step of inserting the elastic body. In the present embodiment, a part of the elastic body 2 is first inserted into the first through hole 111. However, the present invention is not limited to this, and a part of the elastic body 2 is first inserted into the second through hole 112. It may be inserted.

  In the present embodiment, as a preferred configuration, the first cutting portion 113 extends from the first through hole 111 in the same direction as the protruding region protrudes from the trunk region. Similarly, the second cutting portion 114 extends from the second through hole 112 in the same direction as the protruding region protrudes from the body region. For this reason, if the trunk | drum area | region 11 which concerns on this embodiment is formed in the cylindrical member 3, the direction from which the 1st cutting part 113 and the 2nd cutting part 114 are extended will protrude the engaging part 4 from the cylindrical member 3. It becomes the same as the direction. That is, when the spectacle dust-proof member 100 according to the present embodiment is applied to spectacles, the spectacle lens unit 51 is positioned in the extending direction of the first cutting portion 113 and the second cutting portion 114. That is, when the user applies the dustproof member 100 for glasses according to this embodiment to glasses, one end of the first cutting unit 113 and one end of the second cutting unit 114 interfere with the lens unit 51 of the glasses. The elastic body 2 inserted through the first through hole 111 and the second through hole 112 can be prevented from dropping through the first cutting part 113 and the second cutting part 114.

FIGS. 3A and 3B are external views of the glasses 5 including rims on which the dust protectors 101 for glasses are locked. FIG. 3A shows a front view, FIG. 3B shows a plan view, and FIG. c) shows a left side view. As shown in FIG. 3, the lens unit 51 of the glasses 5 includes a lens 511 and a rim 512. In the state where the spectacle dust protector 101 is locked to the spectacles 5, the cylindrical member 3 is connected to the upper wall portion 31 located behind the upper portion of the lens portion 51 and the upper wall portion 31, and the lens portion. The side wall portion 32 is located behind the side portion 51, and the lower wall portion 33 is continuous with the side wall portion 32 and located behind the lower portion of the lens portion 51. Specifically, the upper wall portion 31 is located behind the upper portion of the rim 512, the side wall portion 32 is located behind the side portion of the rim 512, and the lower wall portion 33 is located behind the lower portion of the rim 512.
The engaging portion 4 of the spectacle dust protector 101 projects from the upper wall portion 31 and the lower wall portion 33 to the front of the lens portion 51 and engages with the outer peripheral portion of the lens portion 51. Specifically, the engaging portion 4 projects forward of the rim 512 and engages with the outer peripheral portion of the rim 512.
Since the sheet body 1 including the body region 11 and the projecting region 12 is a transparent resin, the cylindrical member 3 and the engaging portion 4 are naturally transparent, and the spectacle dust protector 101 is locked to the spectacles 5. Even so, the field of view is not blocked by the dustproof tool 101 for glasses.

  The spectacle dust protector 101 can also be applied to half-rim type spectacles in which the rim 512 is disposed only in the upper half or the lower half of the outer periphery of the lens 511. FIG. 4 is a front view of the half-rim type glasses 5A in which the engaging portion 4 of the spectacle dust protector 101 is engaged with the lens portion 51. FIG. As shown in FIG. 4, the rim 512 is disposed only on the upper half of the outer periphery of the lens 511 in the glasses 5A. Therefore, the engaging portion 4 protruding from the upper wall portion 31 engages with the outer peripheral portion of the rim 512, and the engaging portion 4 protruding from the lower wall portion 33 engages with the outer peripheral portion of the lens 511. When the spectacle dustproof device 101 is applied to spectacles in which the rim 512 is disposed only on the lower half of the outer periphery of the lens 511, the engaging portion 4 protruding from the upper wall portion 31 is engaged with the outer periphery of the lens 511. The engaging portion 4 protruding from the lower wall portion 33 engages with the outer peripheral portion of the rim 512 (not shown).

  Moreover, the dustproof tool 101 for glasses can also be applied to rimless glasses. FIG. 5 is a front view of the rimless spectacles 5B in which the engaging portion 4 of the spectacle dust protector 101 is engaged with the lens portion 51. FIG. As shown in FIG. 5, the rimless glasses 5 </ b> B have no rim disposed on the outer periphery of the lens 511. Therefore, the engaging portion 4 protruding from the upper wall portion 31 is engaged with the outer peripheral portion of the lens 511, and the engaging portion 4 protruding from the lower wall portion 33 is also engaged with the outer peripheral portion of the lens 511.

  FIGS. 6 and 7 show spectacle dustproof members 100A and 100B, which are modifications of the spectacle dustproof member 100 according to the embodiment of the present invention.

  As a spectacle dust-proof member 100 </ b> A that is a modification of the present embodiment, the body region 11 further includes a first bent portion 115 and a second bent portion 116. Specifically, the first bent portion 115 is a cut formed in the boundary portion 11d. Moreover, the 2nd bending part 116 is the notch formed in the boundary part 11e. And the 1st trunk | drum area | region 11a can be bend | folded with respect to the 2nd trunk | drum area | region 11b on the basis of the 1st bending part 115. FIG. The third body region 11c can be bent with respect to the second body region 11b with the second bent portion 116 as a base point. According to the spectacle dust-proof member 100A, which is a modification of the present embodiment, when manufacturing the spectacle dust-proof device 101, when the body region 11 is bent into a cylindrical shape and formed into the cylindrical member 3, the first The first trunk region 11a and the third trunk region 11c may be bent with respect to the second trunk region 11b with the bent portion 115 and the second bent portion 116 as a base point. That is, since the first bent portion 115 and the second bent portion 116 can be used as marks when the body region 11 is curved in a cylindrical shape, the body region 11 can be made more easily. Can be formed.

  In the spectacle dustproof member 100A that is a modification of the present embodiment, the first bent portion 115 is a cut formed in the boundary portion 11d, but the present invention is not limited to this, for example, the boundary Examples thereof include a perforation formed in the portion 11d, a bending ridge attached to the boundary portion 11d so as to be easily folded, a line drawn on the boundary portion 11d so as to be a mark to be folded, and the like. Moreover, in the modification of this embodiment, although the 2nd bending part 116 is the notch | incision provided in the boundary part 11e, this invention is not limited to this, For example, in the boundary part 11e Examples thereof include a perforation formed, a bending rod attached to the boundary portion 11e so as to be easily folded, and a line drawn on the boundary portion 11e so as to be a mark to be folded.

  Moreover, as shown in FIG. 7, as the dustproof member 100B for spectacles which is a modification of this embodiment, the trunk | drum area | region 11 has the some 1st bending part 115 and the some 2nd bending part 116. As shown in FIG. Have. According to the spectacle dustproof member 100B, which is a modified example of the present embodiment, in the step of bending the first bent portion 115, the first trunk region 11a is the second torso with the arbitrary first bent portion 115 as a base point. It can be bent with respect to the partial region 11b. Further, in the step of bending the second bent portion 116, the third trunk region 11c can be bent with respect to the second trunk region 11b with any second bent portion 116 as a base point. For this reason, it is easy to adjust the vertical dimension of the cylindrical member according to the vertical dimension of the lens unit by bending the optional first bent part 115 and the optional second bent part 116. Therefore, the spectacle dustproof tool 101 manufactured using the spectacle dustproof member 100B is easy to apply to a plurality of types of spectacles having different dimensions in the vertical direction of the lens portion.

  In the dustproof member for spectacles 100 </ b> A that is a modified example of the present embodiment, the protruding region 12 includes a bent end portion 121 that extends in a direction substantially perpendicular to the protruding direction of the protruding region 12. The distal end portion 122 of the protruding region 12 can be bent with respect to the proximal end portion 123 with the distal end bent portion 121 as a base point. According to the spectacle dustproof member 100A, which is a modified example of this embodiment, when the engagement portion 4 is formed by bending the distal end portion 122 of the protruding region 12 in order to manufacture the spectacle dustproof device 101, the distal end bending is performed. What is necessary is just to bend the front-end | tip part 122 of the protrusion area | region 12 on the basis of the part 121. FIG. That is, since the front end bent portion 121 can be used as a mark when the front end portion 122 of the protruding region 12 is bent, the protruding region 12 can be formed in the engaging portion 4 more easily.

  In the eyeglass dust-proof member 100A that is a modification of the present embodiment, the tip bent portion 121 is a cut formed in the protruding region 12; however, the present invention is not limited to this, and for example, the protruding portion Examples thereof include a perforation formed in the region 12, a bending ridge attached to the protruding region 12 so as to be easily bent, a line drawn on the protruding region 12 so as to be a mark to be bent, and the like.

  As shown in FIG. 7, the protruding region 12 includes a plurality of tip bent portions 121 as the spectacle dust-proof member 100 </ b> B. According to such a spectacle dustproof member 100B, in the step of bending the distal end portion 122, the distal end portion 122 can be bent with an arbitrary distal end bent portion 121 as a base point. For this reason, it is easy to adjust the length of the front-end | tip part 122 according to the thickness of a lens part. Therefore, the spectacle dustproof tool 101A manufactured using the spectacle dustproof member 100A can be easily applied to a plurality of types of spectacles having different dimensions in the thickness direction of the lens portion.

  The sheet bodies 1A and 1B of the spectacle dustproof members 100A and 100B according to the present embodiment are made of a flat resin. And the 1st through-hole 111, the 2nd through-hole 112 which comprise sheet body 1A, 1B, the 1st cutting part 113, the 2nd cutting part 114, the front end bending part 121, the 1st bending part 115, and the 2nd folding Since each of the curved portions 116 can be formed by processing from a direction perpendicular to the plane of the sheet bodies 1A and 1B, it can be integrally formed by simply removing the die. For this reason, it is possible to integrally mold the sheet bodies 1A and 1B by simply punching out a flat resin.

  In the manufacturing method of the spectacle dustproof device 101 using the spectacle dustproof members 100A and 100B, in the step of bending the front end portion 122, the front end portion 122 of the protruding region 12 is bent with the front end bent portion 121 as a base point. As described above, since the front end bent portion 121 can be used as a mark when the front end portion 122 of the protruding region 12 is bent, the protruding region 12 can be formed in the engaging portion 4 more easily. Further, in the step of curving the trunk region 11 in a cylindrical shape, the first trunk portion with respect to the second trunk region 11b with the first bent portion 115 as a base point so that both ends of the trunk region 11 abut each other. The region 11a is bent, the third body region 11c is bent with respect to the second body region 11b with the second bent portion 116 as a base point, and the body region 11 is bent into a cylindrical shape. As described above, since the first bent portion 115 and the second bent portion 116 can be used as marks when the barrel region 11 is curved into a cylindrical shape, the barrel region 11 is more easily formed into a cylinder. It is possible to form the shaped member 3.

  The present invention is not limited to the configuration of the above embodiment, and various modifications can be made without departing from the spirit of the invention. For example, in the present embodiment, the side wall portion 32 is located behind the side portion on the temple side of the lens portion 51, but the present invention is not limited to this, and the side opposite to the temple side of the lens portion 51. It may be located behind the side part.

DESCRIPTION OF SYMBOLS 1, 1A, 1B ... Sheet | seat body 2 ... Elastic body 3 ... Cylindrical member 4 ... Engagement part 5 ... Glasses 11 ... trunk | drum area | region 12 ... Protrusion area | region 51. ..Lens portion 100 ... Dust-proof member for spectacles 111 ... first through hole 112 ... second through hole 113 ... first cutting portion 114 ... second cutting portion 121 ... tip folding Music part

Claims (5)

A spectacle dustproof member for manufacturing a spectacle dustproof tool that is detachably locked to spectacles including a lens unit,
The eyeglass dust protector is:
An upper wall portion located behind the upper portion of the lens portion, a side wall portion connected to the upper wall portion and located behind the side portion of the lens portion, and the side wall portion in a state of being locked to the glasses. A cylindrical member consisting of a lower wall portion located at the back of the lower portion of the lens portion;
An engaging portion that projects from the upper wall portion and the lower wall portion to the front of the lens portion and engages with an outer peripheral portion of the lens portion,
The dustproof member for glasses is
A flat flexible sheet body which is integrally molded with a transparent resin and has a body region corresponding to the tubular member and a projecting region corresponding to the engaging portion and protruding in the same direction from the body region. When,
An annular elastic body attached to the body region,
The body region corresponds to a first body region corresponding to the upper wall portion, a second body region corresponding to the side wall portion and juxtaposed to the first body region, and the lower wall portion. And a third body region arranged side by side in the second body region along the juxtaposing direction of the first body region and the second body region,
The first body part region includes a first through hole provided in a first end part in the juxtaposition direction opposite to the side on which the second body part region is juxtaposed, and the first end part. A first cutting portion extending from an outer edge to the first through hole,
The third body region includes a second through hole provided in a second end of the juxtaposition direction opposite to the side on which the second body region is juxtaposed, and the second end portion. A second cutting portion extending from an outer edge to the second through hole,
The eyeglass dustproof member, wherein the elastic body can be inserted into both the first through hole and the second through hole. The projecting region has a tip bent portion extending in a direction substantially perpendicular to the projecting direction of the projecting region, and the tip of the projecting region can be bent with the tip bent portion as a base point.
The body region includes a first bent portion formed at a boundary portion between the first body region and the second body region, and a boundary between the second body region and the third body region. A second bent portion formed in the part,
The first body region can be bent with respect to the second body region with the first bent portion as a base point;
2. The dust-proof member for glasses according to claim 1, wherein the third body region can be bent with respect to the second body region from the second bent portion. The projecting region has a plurality of the tip bent portions,
3. The dust-proof member for spectacles according to claim 2, wherein the trunk region includes a plurality of the first bent portions and a plurality of the second bent portions. A method for manufacturing a spectacle dustproof device using the spectacle dustproof member according to claim 1,
Bending the tip of the protruding region;
A step of inserting a part of the elastic body into one of the first through hole and the second through hole through one of the first cutting part and the second cutting part;
Curving the barrel region into a cylindrical shape so that the first end faces the second end;
Either the first through-hole or the second through-hole is passed through either one of the first cutting portion and the second cutting portion so that the body region is curved in a cylindrical shape. And a step of inserting the other part of the elastic body into the other. A method for manufacturing a spectacle dustproof device using the spectacle dustproof member according to claim 2 or 3,
Bending the tip of the protruding region from the tip bent portion as a base point;
A step of inserting a part of the elastic body into one of the first through hole and the second through hole through one of the first cutting part and the second cutting part;
Bending the first body region with respect to the second body region with the first bent portion as a base so that the first end portion abuts on the second end portion, the second bent portion Bending the third torso region with respect to the second torso region from the base point, and bending the torso region into a cylindrical shape,
Either the first through-hole or the second through-hole is passed through either one of the first cutting portion and the second cutting portion so that the body region is curved in a cylindrical shape. And a step of inserting the other part of the elastic body into the other.

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