JP4676477B2 - Eyeglass frames - Google Patents

Description

  The present invention is capable of detachably attaching a spectacle attachment that prevents the spectacle frame from slipping off and prevents the hair from becoming entangled with the spectacle frame when the spectacle frame is removed. The present invention relates to a spectacle frame in which a tip cell is prevented from being damaged or a spectacle mounting tool is prevented from being damaged by the mounting of the tool.

  The present applicant has filed an eyeglass attachment that aims to prevent the eyeglass frame from slipping off and prevent hair from getting entangled with the eyeglass frame when the eyeglass frame is removed (Patent Document 1). This spectacle attachment can be attached to and detached from the rear part of the temple, and can be used by attaching to the spectacle frame only in specific cases such as when there is a great risk of the spectacle frame falling off during sports. Such a spectacle attachment includes a clip portion that is detachably attached to the rear portion of the temple. As shown in FIG. 5A and FIG. 5B of Patent Document 1, the clip portions 30d and 4a are formed of a flexible member such as rubber or resin, and the inner diameter is the rear portion of the temple 20. It is comprised by the substantially tubular body slightly smaller than an outer diameter. Furthermore, the clip portions 30d and 4a are formed with openings having a narrower width than the diameters of the clip portions 30d and 4a along the longitudinal direction (direction perpendicular to the radial direction and the circumferential direction). The clip portions 30d and 4a are attached to the rear portion of the temple 20 by inserting the rear portion of the temple 20 into the clip portions 30d and 4a from the opening.

  However, when the spectacle frame is attached, a force in the front-rear direction (longitudinal direction of the temple) is easily applied to the spectacle frame. Therefore, in the state where the above-described spectacle attachment tool is attached to the rear portion of the temple 20, the spectacle attachment tool may be displaced in the longitudinal direction of the temple 20 due to the force in the longitudinal direction of the temple. As a method of preventing such a shift, when the inner diameter of the clip portions 30d and 4a is reduced and a force in the longitudinal direction of the temple is applied to the spectacle frame, a large frictional force is generated between the clip portions 30d and 4a and the temple 20. Can be considered.

When the inner diameters of the clip portions 30d and 4a are reduced, the openings of the clip portions 30d and 4a need to be greatly expanded when the temple 20 is fitted into the clip portions 30d and 4a. However, if the opening is not greatly expanded, when the temple 20 is fitted inside the clip portions 30d and 4a, the portions on both sides of the opening of the clip portions 30d and 4a and the surface of the temple 20 come into contact with each other. 20 may be scratched. Moreover, since it is necessary to expand the opening part of the clip parts 30d and 4a greatly when inserting the temple 20, when inserting the temple 20, there exists a possibility that the clip parts 30d and 4a may be damaged. Furthermore, in the state where the temple 20 is inserted, if a force in the longitudinal direction of the temple 20 is applied to the clip portions 30d and 4a, a large frictional force acts between the temple 20 and the clip portions 30d and 4a. Scratches are likely to occur.
Japanese Patent No. 3526571

  According to the present invention, it is possible to detachably attach the spectacle attachment to the tip cell attached to the temple, and prevent the spectacle attachment from being damaged or the spectacle attachment from being damaged by the attachment of the spectacle attachment. It is an object of the present invention to provide a spectacle frame.

  The present invention has a front frame for holding a lens, a pair of temples extending rearward from both ends of the front frame, a tip cell attached to the temple, and an opening on a lower surface of the tip cell, An insertion hole that extends substantially upward from the opening, and a shaft member that is attached to a predetermined portion behind the portion of the tip cell where the insertion hole is provided so that its longitudinal direction is in the left-right direction of the tip cell A spectacle frame main body, and a spectacle mount detachably attached to the tip cell, wherein the spectacle mount includes an opening smaller than a cross-sectional dimension of the shaft member, and the shaft member is the opening. A swinging member having an insertion space portion into which the shaft member can be inserted / removed and swingable around the shaft by expanding the portion and passing through the opening; Take the material An ear resting member that can be brought into contact with the back side of the ear, a projecting member that is removably inserted into the insertion hole, and a front end of the projecting member and the ear resting member that is attached to the projecting member. A spectacle frame comprising a flexible entanglement preventing member for connecting the two is provided.

  A spectacle frame according to the present invention includes a spectacle frame main body and a spectacle attachment that is detachably attached to a tip cell of the spectacle frame main body. The spectacle mounting body is attached to the spectacle frame main body by inserting the shaft member of the spectacle frame main body into the insertion space of the swinging member of the spectacle mounting main body, and inserting the projection member of the spectacle mounting tool into the insertion hole of the spectacle frame main body. Done in On the other hand, when removing the spectacle mounting tool from the spectacle frame main body, the spectacle frame main body shaft member is extracted from the insertion space of the swinging member of the spectacle mounting tool, and the spectacle mounting tool protrusion member is extracted from the spectacle frame main body insertion hole. Done in

  The swing member has an opening smaller than the cross-sectional dimension of the shaft member, and is configured such that the shaft member can be inserted into and removed from the insertion space when the shaft member passes through the opening. The cross-sectional dimension of the shaft member is the minimum dimension of the cross section orthogonal to the longitudinal direction of the shaft member. When the cross section orthogonal to the longitudinal direction of the shaft member is circular, this minimum dimension is the outer diameter of the cross section. Since the opening is smaller than such a minimum dimension, it is necessary to expand the opening to extract the shaft member from the insertion space. As described above, in order to extract the shaft member from the insertion space portion, it is necessary to widen the opening. Therefore, in the spectacle frame according to the present invention, the shaft member is prevented from coming out of the insertion space portion due to vibration or gravity. Is done. Further, since the insertion hole has an opening on the lower surface of the tip cell, the protruding member inserted into the insertion hole can be pulled out downward. However, when the user wears the spectacle frame with the spectacle frame attached to the main body of the spectacle frame, the ear resting member of the spectacle mount is hung on the back of the ear. The protruding member is prevented from coming out of the insertion hole. Therefore, in the spectacle frame according to the present invention, when the user is wearing, there is no possibility that the protruding member comes out of the insertion hole. As described above, the eyeglass frame according to the present invention prevents the shaft member from coming out of the insertion space and the protruding member from coming out of the insertion hole, so that the user wears the eyeglass frame. In some cases, the spectacle mounting tool is prevented from being detached from the spectacle frame main body due to the influence of vibration or gravity.

  Further, as described above, in a state where the spectacle attachment is attached to the spectacle frame body, the protruding member is inserted into the insertion hole. The insertion hole extends substantially upward from the opening and extends in a direction substantially orthogonal to the longitudinal direction of the temple. Therefore, in the state where the spectacle attachment is attached to the spectacle frame main body, even if the force in the longitudinal direction of the temple is applied to the spectacle frame, the spectacle attachment is hardly displaced in the longitudinal direction of the temple. In the spectacle frame according to the present invention, since the spectacle attachment is prevented from shifting in the longitudinal direction of the temple in this way, there is no need to reduce the inner diameter of the clip portion as in the prior art. There is no risk of scratching the cell or damaging the eyeglass fixture. Further, in a state where the spectacle attachment is attached to the spectacle frame main body, the protruding member is inserted into the insertion hole and thus cannot be seen from the outside. Therefore, the spectacle frame according to the present invention can be mounted in a state in which the spectacle attachment is attached to the spectacle frame body without impairing the appearance by the protruding member. In addition, when only the spectacle frame main body is mounted with the spectacle attachment removed, the tip cell of the spectacle frame main body is put on the ear, so that the opening of the insertion hole located on the lower surface of the tip cell is externally provided. It's hard to see. Therefore, the spectacle frame according to the present invention can be mounted only on the spectacle frame main body without impairing the appearance of the spectacle frame main body due to the insertion hole.

  As a preferred configuration, a cross-sectional dimension of the protruding member is larger than a cross-sectional dimension of the insertion hole, and the protruding member can be expanded and contracted so that the cross-sectional dimension is elastically changed.

  The cross-sectional dimension of the protruding member is the maximum dimension or the minimum dimension of the cross section orthogonal to the protruding direction. The cross-sectional dimension of the insertion hole is the maximum dimension of the cross section orthogonal to the extending direction of the insertion hole when the cross-sectional dimension of the projection member is the maximum dimension, and the cross-sectional dimension of the projection member is the minimum dimension described above. When it is a dimension, it is the minimum dimension of the cross section orthogonal to the extending direction of the insertion hole. In addition, when the cross section orthogonal to the protrusion direction of a protrusion member is circular, the cross-sectional dimension of a protrusion member becomes an outer diameter of this cross section. Similarly, when the cross section orthogonal to the direction in which the insertion hole extends is circular, the cross sectional dimension of the insertion hole is the inner diameter of the cross section. In addition, when the cross section orthogonal to the protrusion direction of the protrusion member and the cross section orthogonal to the direction in which the insertion hole extends are rectangular, the cross sectional dimension of the protrusion member is the length of the cross section orthogonal to the protrusion direction. The length of the side or short side. In addition, when the cross section orthogonal to the protrusion direction of the protrusion member and the cross section orthogonal to the direction in which the insertion hole extends are rectangular, the cross section dimension of the insertion hole is the same as the long side of the protrusion member. The length of the long side of the cross section orthogonal to the direction in which the insertion hole extends, and when the cross-sectional dimension of the protruding member is the length of the short side, the insertion hole extends. It is the length of the short side of the cross section orthogonal to the direction. In addition, when the cross section orthogonal to the protrusion direction of the protrusion member and the cross section orthogonal to the direction in which the insertion hole extends are elliptical, the cross sectional dimension of the protrusion member is the length of the cross section orthogonal to the protrusion direction. The length of the axis or minor axis. In addition, when the cross section perpendicular to the projecting direction of the projecting member and the cross section perpendicular to the extending direction of the insertion hole are elliptical, the cross sectional dimension of the projecting member is the same as the major axis of the projecting member. Is the length of the major axis of the cross section orthogonal to the direction in which the insertion hole extends, and when the cross-sectional dimension of the protruding member is the length of the minor axis, the insertion hole extends. It is the length of the minor axis of the cross section orthogonal to the direction.

  In such a preferable configuration, since the cross-sectional dimension of the protruding member is larger than the cross-sectional dimension of the insertion hole, when the protruding member is inserted into the insertion hole, the protruding member contracts elastically so that the cross-sectional dimension is reduced. ing. Therefore, in a state where the protruding member is inserted into the insertion hole, an elastic force that expands the cross-sectional dimension of the protruding member is generated, and the protruding member presses the tip cell that forms the periphery of the insertion hole by the elastic force. By doing so, a strong frictional force acts between the protruding member and the tip cell. Therefore, in such a preferable configuration, the protruding member is difficult to be removed from the insertion hole, and as a result, when the spectacle frame is mounted, it is possible to prevent the spectacle attachment tool from being detached from the spectacle frame main body due to the influence of vibration or gravity.

  As a preferred configuration, the insertion hole includes a small cross-sectional hole, a large cross-sectional hole connected to the small cross-sectional hole and located on the back side of the small cross-sectional hole, the small cross-sectional hole, and A step portion formed by the large cross-sectional hole portion, and the protrusion member is connected to a small cross-section protrusion portion having the entanglement preventing member attached to a base end portion and a distal end portion of the small cross-section protrusion portion. A large cross-sectional protrusion that is elastically expandable and contractable so that the cross-sectional dimension fluctuates and has a larger cross-sectional dimension than the small cross-sectional hole of the insertion hole, and the small cross-sectional protrusion and the large cross-sectional protrusion The structure which has the level | step-difference part formed by these can be mentioned.

  The large cross-sectional hole portion refers to a portion that extends to the outside of the small cross-sectional hole portion in a direction orthogonal to the direction in which the insertion hole extends. In addition, the large cross-section protrusion refers to a portion that extends to the outside of the small cross-section protrusion in a direction orthogonal to the protrusion direction of the protrusion member. The cross-sectional dimension of the large cross-sectional protrusion is the maximum or minimum dimension of the cross-section of the large cross-sectional protrusion perpendicular to the protrusion direction of the protrusion member. On the other hand, the cross-sectional dimension of the small cross-sectional hole is the maximum cross-sectional dimension of the small cross-sectional hole perpendicular to the direction in which the insertion hole extends, when the cross-sectional dimension of the large cross-sectional protrusion is the maximum dimension, When the cross-sectional dimension of the large cross-sectional protrusion is the minimum dimension, it is the minimum dimension of the cross section of the small cross-sectional hole perpendicular to the direction in which the insertion hole extends. In addition, when the cross section of the large cross-sectional protrusion part orthogonal to the protrusion direction of a protrusion member is circular, the cross-sectional dimension of a large cross-section protrusion part is an outer diameter of this circular cross section. Moreover, when the cross section of the small cross-section hole perpendicular to the direction in which the insertion hole extends is circular, the cross-sectional dimension of the small cross-section hole is the inner diameter of the circular cross section. In addition, when the cross section of the large cross-section protrusion portion orthogonal to the protrusion direction of the protrusion member and the cross section of the small cross-section hole portion orthogonal to the direction in which the insertion hole extends are rectangular, the cross-sectional dimension of the large cross-section protrusion portion Is the length of the long side or the short side of the cross section of the large cross-sectional protrusion perpendicular to the protrusion direction of the protrusion member. In addition, when the cross section of the large cross-section projection portion orthogonal to the projection direction of the projection member and the cross section of the small cross-section hole portion orthogonal to the extending direction of the insertion hole are rectangular, the cross-sectional dimension of the small cross-section hole portion Is the length of the long side of the cross section of the small cross-sectional hole perpendicular to the direction in which the insertion hole extends when the cross-sectional dimension of the large cross-sectional protrusion is the length of the long side, When the cross-sectional dimension is the length of the short side, it is the length of the short side of the cross section of the small cross-sectional hole portion orthogonal to the direction in which the insertion hole extends. In addition, when the cross section of the large cross-section protrusion portion orthogonal to the protrusion direction of the protrusion member and the cross section of the small cross-section hole portion orthogonal to the direction in which the insertion hole extends are elliptical, the cross-sectional dimension of the large cross-section protrusion portion Is the length of the long axis or short axis of the cross section of the large cross-sectional protrusion perpendicular to the protrusion direction of the protrusion member. In addition, when the cross section of the large cross-sectional protrusion portion orthogonal to the protrusion direction of the protrusion member and the cross section of the small cross-section hole portion orthogonal to the extending direction of the insertion hole are elliptical, the cross-sectional dimension of the small cross-section hole portion Is the length of the long axis of the cross section of the small cross section hole perpendicular to the direction in which the insertion hole extends when the cross sectional dimension of the large cross section protrusion is the length of the long axis, When the cross-sectional dimension of the portion is the length of the short axis, it is the length of the short axis of the cross section of the small cross-sectional hole perpendicular to the direction in which the insertion hole extends.

  Since the large cross-sectional protrusion of the protrusion member can be expanded and contracted so that the cross-sectional dimension fluctuates, passing the small cross-sectional hole of the insertion hole while the cross-sectional dimension is elastically contracted, I can get in. Since the cross-sectional dimension of the large cross-sectional protrusion is larger than the cross-sectional dimension of the small cross-sectional hole, when the large cross-sectional protrusion enters the large cross-sectional hole, it elastically expands so that the cross-sectional dimension increases. Furthermore, since the large cross-sectional hole portion extends to the outside of the small cross-sectional hole portion, the large cross-sectional protrusion portion extends to the outside of the small cross-sectional hole portion by this extension. Therefore, when the projection member is pulled out of the insertion hole in a state where the large cross-section projection is inserted into the large cross-section projection, the large cross-section projection extends to the outside of the small cross-section projection. And the step part formed by the small cross-sectional protrusion part engages with the step part formed by the small cross-sectional hole part and the large cross-sectional hole part of the insertion hole, and the protrusion member is prevented from coming out of the insertion hole. Therefore, in such a preferable configuration, the protruding member is difficult to be removed from the insertion hole, and as a result, when the spectacle frame is mounted, it is possible to prevent the spectacle attachment tool from being detached from the spectacle frame main body due to the influence of vibration or gravity.

  As a preferred configuration, in the state in which a magnet is provided in one of the tip cell and the protruding member, and a magnetized portion is provided in the other, and the protruding member is inserted into the insertion hole, the leading cell and the protruding member And a structure in which and are magnetically attached.

  Examples of the magnetized portion having such a preferable configuration include a magnetic body and a magnet having a polarity opposite to that of the magnet provided on one of them. As a position of the tip cell in which the magnet or the magnetized portion is provided, for example, the inner surface of the tip cell defining the insertion hole can be used. By providing the magnet and the magnetized portion, when the protruding member is inserted into the insertion hole, the protruding member and the tip cell are magnetized by the magnet and the magnetically bonded portion, so that the protruding member may come out of the insertion hole. As a result, when the spectacle frame is mounted, the spectacle mounting tool is prevented from being detached from the spectacle frame main body due to the influence of vibration or gravity.

  According to the present invention, it is possible to detachably attach the spectacle attachment to the tip cell, and it is possible to prevent the tip cell from being damaged or the spectacle attachment being damaged by the attachment of the spectacle attachment. An eyeglass frame can be provided.

  FIG. 1 is a configuration diagram of a spectacle frame 1 according to the present embodiment, FIG. 1 (a) shows a partially omitted side view, and FIG. 1 (b) shows an AA cross-sectional view of FIG. 1 (a). FIG.1 (c) shows BB sectional drawing of Fig.1 (a). As shown in FIG. 1A, the spectacle frame 1 includes a spectacle frame body 2 and a spectacle attachment 3.

  As shown in FIG. 1A, the spectacle frame body 2 includes a front frame 21, a pair of temples 22, a tip cell 23, an insertion hole 24, and a shaft member 26. The front frame 21 is a member for holding a lens, and the temples 22 extend rearward from both ends of the front frame 21. The tip cell 23 has an insertion hole (not shown) for inserting the rear portion of the temple 22 inside, and the temple 22 is inserted into the insertion hole (inside) as shown in FIG. Yes. As shown in FIG. 1B, the insertion hole 24 has an opening 25 on the lower surface of the tip cell 23, and extends substantially upward from the opening 25. The insertion hole 24 extends to the rear part of the temple 22 inserted into the insertion hole of the front cell 23, and is provided across the rear part of the front cell 23 and the temple 22. Thus, since the insertion hole 24 is a hole extending in the vertical direction (the arrow Z direction in FIG. 1A), the insertion hole 24 is formed in the longitudinal direction of the temple 22 extending rearward from the front frame 21 (FIG. 1 ( It extends in a direction substantially orthogonal to the arrow X direction of a). The shape of the insertion hole 24 is a columnar shape having a circular cross-sectional dimension (inner diameter) r1 perpendicular to the vertical direction in which the insertion hole 24 extends. In the present embodiment, the insertion hole 24 is provided across the rear portion of the tip cell 23 and the temple 22, but may not be extended to the rear portion of the temple 22 and may be provided only in the tip cell 23. As shown in FIG. 1A, the shaft member 26 is attached to a predetermined portion behind the portion where the insertion hole 24 of the tip cell 23 is provided. As shown in FIG.1 (c), the part to which the shaft member 26 of the tip cell 23 is attached is formed in the concave shape by which the lower part was excised except for the both ends of the left-right direction. The shaft member 26 is attached so that the longitudinal direction thereof is directed to the left and right direction of the front cell 23 so as to be spanned between both left and right ends of the front cell 23. The shape of the shaft member 26 is a columnar shape having a circular cross-sectional dimension (outer diameter) of r2 perpendicular to the longitudinal direction of the shaft member 26.

  The spectacle attachment 3 is detachably attached to the tip cell 23 of the spectacle frame main body 2 described above. FIG. 2 is a configuration diagram of the eyeglass fixture 3, FIG. 2 (a) shows a side view, and FIG. 2 (b) shows an enlarged view of a portion surrounded by a dotted line P in FIG. 2 (a). As shown in FIG. 2A, the eyeglass fixture 3 includes a swinging member 31, an ear pad member 34, a protruding member 35, and an entanglement preventing member 36.

  3 is a side view of the swing member 31, FIG. 3 (a) shows a side view of the swing member 31 when no external force is generated in the swing member 31, and FIG. 3 (b) is a swing member. The side view of the rocking | swiveling member 31 when inserting / removing the shaft member 26 in the insertion space part 33 of 31 is shown. As shown in FIG. 3, the swing member 31 is configured such that the shaft member 26 can be inserted / removed by the opening 32 and the shaft member 26 expanding the opening 32 and passing through the opening 32, and And an insertion space portion 33 inserted so as to be swingable around the axis. Further, the swing member 31 has a proximal end portion 311 attached to the ear pad member 34 and a distal end portion 312 having a C-shape in side view attached to the proximal end portion 311, and the opening portion 32 has a distal end portion. A space between both end portions 312 a and 312 b of the portion 312, and the insertion space portion 33 is a space inside the distal end portion 312. The size of the opening 32 (the distance between both end portions 312a and 312b of the insertion portion 312) s1 is smaller than the outer diameter r2 of the shaft member 26. The insertion of the shaft member 26 into the insertion space 33 is first performed so that the size s1 of the opening 32 is larger than the outer diameter r2 of the shaft member 26, as shown in FIG. This is performed by expanding the portion 32 and then moving the shaft member 26 to the insertion space portion 33 through the opening 32. As described above, when the shaft member 26 is inserted into the insertion space portion 33, the shaft member 26 and the swing member 31 can swing relatively around the shaft of the shaft member 26. On the other hand, when the shaft member 26 is extracted from the insertion space portion 33, the opening portion 32 is first expanded so that the size s1 of the opening portion 32 is larger than the outer diameter r2 of the shaft member 26, and then the shaft member 26 is expanded. Is performed by moving the insertion space 33 from the insertion space 33 to an external space through the opening 32. As described above, when the size s1 of the opening portion 32 is smaller than the outer diameter r2 of the shaft member 26, the shaft member 26 needs to be expanded so that the opening portion 32 needs to be expanded. The member 26 is prevented from coming out of the insertion space 33.

  As shown in FIG. 2A, the ear rest member 34 included in the spectacle attachment 3 is attached to the swing member 31. When the spectacle frame 1 is worn by the user with the spectacle attachment 3 attached to the spectacle frame main body 2, the ear rest member 34 comes into contact with the back side of the user's ear E.

  The protruding member 35 provided in the spectacle attachment 3 is removably inserted into the insertion hole 24 of the spectacle frame body 2. As shown in FIG. 2B, the shape of the protruding member 35 is formed in a cylindrical shape of r4 having a circular cross-sectional dimension (outer diameter) perpendicular to the protruding direction and larger than the inner diameter r1 of the insertion hole 24. ing. The projecting member 35 is formed of a member that can be expanded and contracted so that the cross-sectional dimension, that is, the outer diameter, is elastically changed. Since the outer diameter r4 of the projecting member 35 is larger than the inner diameter r1 of the insertion hole 24, the projecting member 35 contracts so that the cross-sectional dimension is elastically reduced when the projecting member 35 is inserted into the insertion hole 24. is doing. Therefore, in a state where the protruding member 35 is inserted into the insertion hole 24, an elastic force is generated in the protruding member 35 so as to increase the outer diameter of the protruding member 35, and the protruding member 35 is inserted into the insertion hole by the elastic force. By pressing the rear part of the tip cell 23 and the temple 22 that form the periphery of 24, a strong frictional force acts between the protruding member 35 and the rear part of the tip cell 23 and the temple 22. Therefore, when the outer diameter r4 of the protrusion member 35 is larger than the inner diameter r1 of the insertion hole 24, the protrusion member 35 is difficult to be removed from the insertion hole 24.

  As shown in FIG. 2A, the entanglement preventing member 36 included in the eyeglass fixture 3 is attached to the protruding member 35, and is flexible to connect the protruding member 35 and the front end 341 of the ear pad member 34. It is a member.

  In the spectacle attachment 3 as described above, the shaft member 26 of the spectacle frame main body 2 is inserted into the insertion space 33 of the swing member 31 and the projection member 35 is inserted into the insertion hole 24 of the spectacle frame main body 2. As shown in FIG. 1A, it can be attached to the tip cell 23 of the spectacle frame main body 2. On the other hand, the eyeglass fixture 3 extracts the shaft member 26 from the insertion space portion 33, and extracts the protruding member 35 of the eyeglass fixture 3 from the insertion hole 24 of the eyeglass frame body 2, so Can be removed.

  As shown in FIG. 1 (a), the spectacle frame 1 in a state where the spectacle attachment 3 is attached to the spectacle frame main body 2, the nose pad attached to the front frame 21 with the ear resting member 34 hung on the back side of the ear E. It can be worn by putting 211 on the nose. At the time of wearing, since the ear pad 34 is hooked on the back side of the ear, the projection member 35 is prevented from coming out of the insertion hole 24 by the ear E, and there is no possibility that the projection member 35 comes out of the insertion hole 24. Therefore, when the spectacle frame 1 is mounted, the ear pad member 34 is hooked on the back side of the ear, and the projection member 35 has an outer diameter r4 larger than the inner diameter r1 of the insertion hole 24 as described above, thereby The member 35 can be further prevented from coming out of the insertion hole 24. Furthermore, as described above, the shaft member 26 is prevented from coming out of the insertion space portion 33 due to the influence of vibration, gravity and the like. Therefore, since the eyeglass frame 1 is prevented from being pulled out of the insertion space 33 and the protruding member 35 from being pulled out of the insertion hole 24, the eyeglass frame 1 is worn by the user. Is prevented from coming off the spectacle mounting body 3 from the spectacle frame main body 2 due to the influence of vibration or gravity.

  Further, the front frame 21 is prevented from slipping when the spectacle frame 1 is mounted with the spectacle attachment 3 attached to the spectacle frame main body 2. As shown in FIG. 1A and FIG. 4A, when the spectacle frame 1 with the spectacle attachment 3 attached to the spectacle frame body 2 is attached, The rear part of the temple 22 extended to the frame 21 is going to slip up, and the ear pad member 34 of the spectacle attachment 3 attached to the tip cell 23 is moved upward. When the ear pad member 34 moves upward, the swinging member 31 and the ear pad member 34 rotate about the axis of the shaft member 26 in the forward direction (counterclockwise in FIG. 4A) ( The swing member 31 and the ear pad member 34 are about to be in the state shown in FIG.

  At this time, the force with which the front end portion 341 of the ear pad member 34 presses the back side of the ear increases, and as a result, the relative movement between the ear pad member 34 and the back side of the ear is prevented (the ear pad member 34 is Attempting to return to the state shown in FIG. 4A) prevents the rear portion of the temple 22 from moving up. In this way, the omission of the spectacle frame 1 is prevented.

  Further, the eyeglass frame 1 is also prevented from being entangled with the eyeglass frame 1 when the eyeglass frame 1 is mounted with the eyeglass frame 3 attached to the eyeglass frame body 2. Even when the eyeglass frame 1 is in the state shown in FIG. 4B by lifting the temple 22 upward when removing it from the user's face and head from the state in which the eyeglass frame 1 is worn. Since the cell 23 and the ear rest member 34 are entangled with each other by the entanglement preventing member 36, it is difficult for the hair to enter between the shaft member 26 and the swing member 31 from the direction of the arrow W shown in FIG. Further, the shaft member 26 or the swing member 31 is prevented from being entangled. Moreover, since the entanglement preventing member 36 has flexibility, it does not hinder the function of preventing the glasses frame 1 from slipping off.

  As described above, since the flexible entanglement preventing member 36 connects the projection member 35 and the front end portion 341 of the ear pad member 34, the glasses frame 1 can be prevented from slipping off without increasing the load on the nose. At the same time, it is possible to prevent the hair from being entangled with the eyeglass frame 1 when the eyeglass frame 1 is removed.

  Further, in a state where the spectacle attachment 3 is attached to the spectacle frame main body 2, the protruding member 35 is inserted into the insertion hole 24. As described above, the insertion hole 24 extends in a direction substantially orthogonal to the longitudinal direction of the temple 22. Therefore, when the spectacle attachment 3 is attached to the spectacle frame main body 2, the spectacle attachment 3 is not easily displaced in the longitudinal direction of the temple 22 even if the longitudinal force of the temple 22 is applied to the spectacle frame 1. Thus, since the spectacle attachment 3 is prevented from being displaced in the longitudinal direction of the temple 22, the spectacle frame 1 does not need to have a small inner diameter of the clip portion as in the prior art. There is no fear of the cell 23 being scratched or the spectacle attachment 3 being damaged. Further, as shown in FIG. 1 (c), the shaft member 26 is attached to a portion where the lower portion of the tip cell 23 is removed except for both ends in the left-right direction, so that the eyeglass attachment 3 is attached to the eyeglass frame body 2. In this state, the shaft member 26 and the swing member 31 into which the shaft member 26 is inserted are difficult to see from the outside. Further, in the state where the spectacle mounting body 3 is attached to the spectacle frame main body 2, the protruding member 35 is inserted into the insertion hole 24, so that it cannot be seen from the outside. Therefore, the spectacle frame 1 is mounted in a state in which the spectacle attachment 3 is attached to the spectacle frame main body 2 without impairing the appearance by the shaft member 26 for attaching the spectacle attachment 3, the swinging member 31, and the projection member 35. be able to. Further, when the spectacle mount 3 is removed from the spectacle frame main body 2 and only the spectacle frame main body 2 is attached, the tip cell 23 is put on the ear, so that the opening of the insertion hole 24 located on the lower surface of the tip cell 23 is opened. The part 25 is difficult to see from the outside. Therefore, the spectacle frame 1 can be attached only to the spectacle frame main body 2 without impairing the appearance of the spectacle frame main body 2 by the insertion hole 24.

  In the above description, the shape of the shaft member 26 is described in the case where the cross section orthogonal to the longitudinal direction of the shaft member 26 is circular, but the cross section of the shaft member 26 may not be circular. For example, a polygonal shape such as a regular octagon as shown in FIG. When the cross-section is not circular as shown in FIG. 5A, the cross-sectional dimension of the shaft member 26 is the dimension (minimum dimension (the direction of arrow V in FIG. ))). In this way, by setting the minimum dimension as the cross-sectional dimension, the size s1 of the opening 32 becomes smaller than the minimum dimension, and the shaft member 26 comes out of the insertion space 33 unless the opening 32 is expanded. I can't. Therefore, by setting the minimum dimension as the cross-sectional dimension, it is possible to prevent the shaft member 26 from coming out of the insertion space portion 33 due to vibration or gravity.

  In the above, the shape of the insertion hole 24 is circular when the cross section perpendicular to the extending direction of the insertion hole 24 is circular, and the shape of the protruding member 35 is circular when the cross section orthogonal to the protruding direction is circular. However, the cross-sections of the insertion hole 24 and the protruding member 35 do not have to be circular, and may be polygonal shapes such as rectangles as shown in FIGS. 5B and 5C. When the cross section is not circular, the cross sectional dimensions of the insertion hole 24 and the protruding member 35 may be the maximum dimension or the minimum dimension in the cross section orthogonal to the extending direction of the insertion hole 24 (the protruding direction in the protruding member 35). it can. For example, as shown in FIGS. 5B and 5C, the case where the insertion hole 24 and the protruding member 35 have a rectangular cross section will be described as an example. When the cross-sectional dimensions of the insertion hole 24 and the projection member 35 are the maximum dimensions (longitudinal dimensions) ra and rc (ra <rc), when the projection member 35 is inserted into the insertion hole 24, the projection member 35 is , Contraction so that the maximum dimension (longitudinal direction in the cross section of FIG. 5C) becomes smaller. Further, when the cross-sectional dimensions of the insertion hole 24 and the projection member 35 are the minimum dimensions (dimensions in the short direction) rb and rd (rb <rd), the direction in which the dimension of the insertion portion 24 of the projection member 35 is minimized. The dimension (in the direction of arrow U in FIG. 5B) is larger than the minimum dimension rb of the insertion portion 24 no matter which direction the protruding member 35 faces. Therefore, when the protruding member 35 is inserted into the insertion hole 24, the protruding member 35 contracts so that the minimum dimension (short direction in the cross section of FIG. 5C) is reduced. Therefore, when the cross section of the insertion hole 24 and the projection member 35 is not circular, the cross sectional dimensions of the insertion hole 24 and the projection member 35 are in a cross section orthogonal to the direction in which the insertion hole 24 extends (the projection direction in the projection member 35). By setting the maximum dimension or the minimum dimension, the protruding member 35 can be made difficult to come out of the insertion hole.

  As a modification of the insertion hole 24 and the projection member 35, the insertion hole 24 and the projection member 35 having the shape shown in FIG. As shown in FIG. 6A, the insertion hole 24 has a small cross-sectional hole 241, a large cross-sectional hole 242, and a step 243. The small cross-sectional hole 241 is connected to the opening 25, and the small cross-sectional hole 241 has a circular cross section orthogonal to the direction in which the insertion hole 24 extends (the direction of arrow T in FIG. 6A). The cross-sectional dimension (inner diameter) is a cylindrical shape with r5. The large cross-sectional hole 242 is connected to the small cross-sectional hole 241 and is located on the back side of the small cross-sectional hole 241. The shape of the large cross-sectional hole 242 is a conical shape in which a cross section perpendicular to the direction in which the insertion hole 24 extends is circular and becomes narrower toward the back side. The maximum diameter r6 in the cross section orthogonal to the extending direction of the insertion hole 24 of the large cross-sectional hole 242 is larger than the outer diameter r5 of the small cross-sectional hole 241. As shown in FIG. 6A, the large cross-sectional hole 242 extends to the outside of the small cross-sectional hole 241 in the direction orthogonal to the direction in which the insertion hole 24 extends. The step portion 243 is formed by a small cross-sectional hole 241 and a large cross-sectional hole 242. The step portion 243 is formed at the boundary between the small cross-sectional hole 241 and the large cross-sectional hole 242, is substantially orthogonal to the direction in which the insertion hole 24 extends, and is the inner surface of the tip cell 23 that partitions the insertion hole 24. It is. Note that the stepped portion 243 is not limited to the inner surface of the tip cell 23. For example, the small cross-sectional hole 241 extends to the temple 22, and the boundary between the small cross-sectional hole 241 and the large cross-sectional hole 242 is in the temple 22. Sometimes, the step 243 becomes the inner surface of the temple 22.

  As shown in FIG. 6A, the protruding member 35 includes a small cross-sectional protruding portion 351, a large cross-sectional protruding portion 352, and a stepped portion 353. The small cross-section protrusion 351 has the entanglement preventing member 36 attached to the base end 351a. The large cross-section protrusion 352 is connected to the tip 351b of the small cross-section protrusion 352. The shape of the large cross-section protrusion 352 is a conical shape in which the cross section orthogonal to the protrusion direction of the protrusion member 35 is circular, and becomes narrower as the distance from the tip 351b of the small cross-section protrusion 351 increases. The maximum diameter (cross-sectional dimension) r7 in the cross section orthogonal to the extending direction of the protruding member 35 of the large cross-section protrusion 352 is larger than the inner diameter r5 than the small cross-section hole 241 of the insertion hole 24. Further, the large cross-sectional protrusion 352 can be expanded and contracted so that the cross-sectional dimension is elastically changed. As shown in FIG. 6A, the large cross-section protrusion 352 is located outside the small cross-section protrusion 351 in the direction orthogonal to the protrusion direction of the protrusion member 35 (the direction of arrow T in FIG. 6A). It has spread to. The stepped portion 353 is the surface of the protruding member 35 formed at the boundary between the small cross-sectional protruding portion 351 and the large cross-sectional protruding portion 352.

  When the insertion hole 24 and the protrusion member 35 have such shapes, when the protrusion member 35 is inserted into the insertion hole 24, the maximum diameter r7 of the large-section protrusion 352 of the protrusion member 35 is as shown in FIG. Since it is larger than the inner diameter r <b> 5 of the small cross-sectional hole 241 of the insertion hole 24, the large cross-sectional protrusion 352 contracts to reduce the cross-sectional dimension and enters the small cross-sectional hole 241 of the insertion hole 24. When the protruding member 35 is further inserted into the insertion hole 24, the large cross-sectional protrusion 352 passes through the small cross-sectional hole 241 and enters the large cross-sectional hole 242. Since the maximum diameter r7 of the large cross-section protrusion 352 is larger than the inner diameter r5 of the small cross-section hole 241, when the large cross-section protrusion 352 enters the large cross-section hole 242, as shown in FIG. , And expand so that the maximum diameter r7 becomes larger. Furthermore, since the large cross-sectional hole 352 extends to the outside of the small cross-sectional hole 351, the large cross-sectional protrusion 352 expands to the outside of the small cross-sectional hole 351 by this extension. When the projection member 35 is pulled out of the insertion hole 24 in a state where the large cross-section protrusion 352 is inserted into the large cross-section hole 242, the large cross-section protrusion 352 extends to the outside of the small cross-section hole 241. The step portion 353 engages with the step portion 243, and the protruding member 35 is prevented from coming out of the insertion hole 24. Therefore, even when the insertion hole 24 and the projection member 35 have such a shape, the projection member 35 is difficult to be removed from the insertion hole 24. As a result, when the spectacle frame 1 is mounted, the spectacle frame main body is affected by vibration, gravity, or the like. 2 is prevented from detaching the eyeglass fixture 3.

  In the above embodiment, it has been described that the projection member 35 is difficult to be removed from the insertion hole 24 by making the sectional dimension of the projection member 35 larger than the sectional dimension of the insertion hole 24. As another configuration in which the protruding member 35 is difficult to be removed from the insertion hole 24, a magnet is provided in one of the tip cell 23 and the protruding member 35, and a magnetized portion is provided in the other, and the protruding member 35 is inserted into the insertion hole 24. A configuration in which the tip cell 23 and the protruding member 35 are magnetically attached in the inserted state can be given. Further, as a configuration in which the protruding member 35 is more difficult to be removed from the insertion hole 24, either the tip cell 23 in the embodiment shown in FIG. 1 or the protruding member 35 having a cross-sectional dimension larger than the cross-sectional dimension of the insertion hole 24. A configuration in which the tip cell 23 and the projecting member 35 are magnetized in a state where the magnet is provided on the other side and the magnetized portion is provided on the other and the projecting member 35 is inserted into the insertion hole 24 can be exemplified. Further, as another configuration in which the protruding member 35 is more difficult to be removed from the insertion hole 24, a magnet is provided in one of the tip cell 23 and the protruding member 35 of the modification shown in FIG. A configuration in which the tip cell 23 and the protruding member 35 are magnetically attached in a state where the protruding member 35 is inserted into the insertion hole 24 can be given.

  FIG. 7 is a diagram illustrating a specific configuration of the tip cell 23 and the protruding member 35 in another configuration in which the protruding member 35 is difficult to be removed from the insertion hole 24. As shown in FIG. 7, the tip cell 23 is provided with a magnet 41, and the protruding member 35 is provided with a magnetic body 42. As a position where the magnet 41 of the tip cell 23 is provided, as shown in FIG. 7, an inner surface 231 of the tip cell 23 that partitions the insertion hole 24 can be exemplified. In the above-described embodiment, the insertion hole 24 extends to the rear part of the temple 22, and the rear part of the temple 22 has an inner surface 221 that defines the insertion hole 24. As described above, when the inner surface 221 is provided at the rear portion of the temple 22, the magnet 41 may be provided on the inner surface 221 of the temple 22 as shown in FIG. 7.

  On the other hand, as a position where the magnetized portion 42 of the protruding member 35 is provided, the surface of the protruding member 35 can be exemplified as shown in FIG. Examples of the magnetized portion 42 include a magnetic material or a magnet having a polarity opposite to that of the magnet 41 provided in the tip cell 24.

  According to such a configuration in which the magnet 41 and the magnetized part 42 are provided, when the projecting member 35 is inserted into the insertion hole 24, the projecting member 35 and the tip cell 23 are magnetized by the magnet 41 and the magnetized part 42. . Therefore, according to such a configuration, the projection member 35 is prevented from coming out of the insertion hole 24. As a result, when the spectacle frame 1 is mounted, the spectacle attachment 3 is detached from the spectacle frame main body 2 due to the influence of vibration or gravity. It is prevented. In FIG. 7, the magnet 41 is provided on the inner surface 231 of the tip cell 23 and the inner surface 221 of the rear portion of the temple 22, and the magnetic body 42 is provided on the surface of the protruding member 35. The magnetic body 42 may be provided on the inner surface 231 of the tip cell 23 and the inner surface 221 of the rear portion of the temple 22 on the surface of 35.

FIG. 1 is a configuration diagram of a spectacle frame according to an embodiment, FIG. 1 (a) shows a partially omitted side view, FIG. 1 (b) shows an AA cross-sectional view of FIG. 1 (c) is a cross-sectional view taken along the line BB in FIG. 1 (a). FIG. 2 is a configuration diagram of the eyeglass fixture according to the embodiment, FIG. 2 (a) shows a side view, and FIG. 2 (b) is an enlarged view of a portion surrounded by a dotted line P in FIG. 2 (a). Show. FIG. 3 is a side view of the swing member according to the embodiment, FIG. 3A shows a side view of the swing member when no external force is generated on the swing member, and FIG. The side view of the rocking | swiveling member when inserting / removing a shaft member in the insertion space part of a member is shown. FIG. 4 is a side view of the eyeglass frame according to the embodiment, FIG. 4 (a) shows a side view of the state where the ear resting member is along the tip cell, and FIG. The side view of the state which the moving member rock | fluctuated around the front is shown. FIG. 5 is a view showing a modification of the spectacle frame according to the embodiment, FIG. 5 (a) is a cross-sectional view orthogonal to the longitudinal direction of the shaft member, and FIG. 5 (b) is a direction in which the insertion hole extends. FIG. 5C is a cross-sectional view of the protruding member orthogonal to the protruding direction of the protruding member. FIG. 6 is a view showing a modification of the spectacle frame according to the embodiment, FIG. 6 (a) shows a state in which no protruding member is inserted into the insertion hole, and FIG. 6 (b) shows a small section hole portion of the insertion hole. FIG. 6C shows a state in which the large cross-sectional protrusion of the protruding member is inserted into the large cross-sectional hole of the insertion hole. FIG. 7 is a diagram illustrating a specific configuration of the tip cell and the protruding member in another configuration in which the protruding member is difficult to be removed from the insertion hole.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Eyeglass frame, 2 ... Eyeglass frame main body, 21 ... Front frame, 22 ... Temple, 23 ... Tip cell, 24 ... Insertion hole, 25 ... Opening part, 26 ... Shaft member, 3 ... Glasses attachment tool, 31 ... Swing Member, 32 ... Opening part, 33 ... Insertion space part, 34 ... Ear pad member, 35 ... Projection member, 36 ... Tangle prevention member, 41 ... Magnet, 42 ... Magnetized part

Claims (4)

A front frame for holding the lens, a pair of temples extending backward from both ends of the front frame, a tip cell attached to the temple, an opening on the lower surface of the tip cell, and substantially from the opening Glasses comprising an insertion hole extending upward, and a shaft member attached to a predetermined portion behind the portion of the tip cell where the insertion hole is provided so that its longitudinal direction is in the left-right direction of the tip cell The frame body,
A spectacle attachment that is detachably attached to the tip cell;
The eyeglass fixture is
An opening smaller than the cross-sectional dimension of the shaft member, and the shaft member expands the opening and passes through the opening so that the shaft member can be inserted and removed and around the axis. A swinging member having an insertion space portion that is inserted so as to be swingable;
An ear pad member attached to the swing member and capable of contacting the back side of the ear;
A projecting member that is removably inserted into the insertion hole;
An eyeglass frame comprising a flexible entanglement preventing member attached to the projecting member and connecting the projecting member and a front end portion of the ear pad member.   The eyeglasses according to claim 1, wherein a cross-sectional dimension of the protruding member is larger than a cross-sectional dimension of the insertion hole, and the protruding member is extendable and contractable so that the cross-sectional dimension is elastically changed. flame. The insertion hole includes a small cross-sectional hole, a large cross-sectional hole connected to the small cross-sectional hole and located on the back side of the small cross-sectional hole, the small cross-sectional hole, and the large cross-sectional hole. A step portion formed by the portion,
The projecting member is connected to a small cross-sectional projecting portion having the entanglement preventing member attached to a base end portion and a distal end portion of the small cross-sectional projecting portion, and can be expanded and contracted so that a cross-sectional dimension is elastically changed. And a large cross-sectional protrusion having a larger cross-sectional dimension than the small cross-sectional hole of the insertion hole, and a step formed by the small cross-sectional protrusion and the large cross-sectional protrusion. The spectacle frame according to 1. A magnet is provided in one of the tip cell and the projection member, and a magnetized portion is provided in the other, and the tip cell and the projection member are magnetized in a state where the projection member is inserted into the insertion hole. The spectacle frame according to claim 1 .

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