JP6209423B2 - Protective glasses - Google Patents

Description

  The present invention relates to protective eyeglasses that are worn on corrective eyeglasses to protect the eyes of the wearer.

  For example, in a production line of a factory, an operator wears protective glasses in order to prevent dust or chips generated during machining from entering the eyes. Further, protective glasses that can be worn from above corrective glasses have been proposed and put to practical use for workers wearing corrective glasses such as myopia glasses and reading glasses.

  In addition, since the shape of the face and the position of the eyes differ depending on the operator, the protective glasses may interfere with the corrective glasses. In order to solve such a problem, the angle of the temple is arbitrarily switched with respect to the glasses frame. Proposal of protective glasses is proposed.

  As a conventional example of such glasses, for example, the one described in Utility Model No. 3010232 (Patent Document 1) is known. Patent Document 1 describes protective eyeglasses provided with a switching mechanism capable of arbitrarily switching the angle of the temple with respect to the eyeglass frame.

Utility model No. 3010232

  However, the protective glasses disclosed in Patent Document 1 described above have a configuration in which the temple is rotated by a predetermined angle around a certain point, and thus there is a problem that interference with the corrective glasses cannot be avoided. Hereinafter, a description will be given with reference to FIGS.

  FIG. 7A is an explanatory view schematically showing a state in which the wearer of the corrective glasses 102 wears the protective glasses 101 from above the corrective glasses 102. As shown in FIG. 7A, the wearer wears the corrective glasses 102. If the protective glasses 101 are further worn from above, the temple 102a of the corrective glasses 102 and the temple 101a of the protective glasses 101 interfere with each other. In some cases, the protective glasses 101 cannot be worn well.

  In order to solve this problem, as shown in FIG. 7B, the temple 101a of the protective glasses 101 is rotated downward about the root of the temple 101a, and the position of the temple 101a is relatively increased. Thus, it is conceivable to avoid interference with the temple 102a of the correcting glasses 102. However, in this case, the frame angle of the protective glasses 101 changes and the wearability deteriorates.

  Further, as shown in FIG. 7C, when the temple 101a is rotated upward so that the tip of the temple 101a is at a high position, the weight balance is deteriorated and the stability is deteriorated, and the wearer crawls. For example, the problem that the protective glasses easily fall off occurs.

  The present invention has been made to solve such a conventional problem, and the object of the present invention is to place the temple at an appropriate position according to the shape of the face of the wearer and the position of the eyes. An object of the present invention is to provide protective glasses that can be adjusted as described above.

  In order to achieve the above-mentioned object, the invention according to claim 1 of the present application is a protective eyeglass that is worn on top of the corrective glasses. A temple to be attached to a person, and a frame side engaging portion that engages with the temple is formed on a side portion of the frame, and a base portion of the temple includes the frame side engaging portion. An engaging temple-side engaging portion is formed, and one of the frame-side engaging portion and the temple-side engaging portion has a flat plate portion, and the flat plate portion includes upper and lower portions of the wearer. A plurality of engaging recesses are formed in the direction, and the other engaging portion has a holding portion that holds the flat plate portion and is biased inward by elastic force, and a notch portion is formed in the holding portion, The notch is provided with an engaging protrusion for engaging one of a plurality of engaging recesses. Wherein the temple is slid in the vertical direction to engage with one of the engagement recesses to translate the temple in the vertical direction relative to the frame. To do.

  According to a second aspect of the present invention, the one engaging portion has a stepped portion having a step in the thickness direction of the flat plate portion, and the other engaging portion is in contact with the stepped portion and the temple. A guide member for guiding the sliding movement is provided.

  According to a third aspect of the present invention, the stepped portion is formed in a linear shape having a predetermined angle with respect to the vertical direction, and the plurality of engaging recesses are along the stepped portion formed in the linear shape. And provided in an oblique direction.

  The invention according to claim 4 is characterized in that the temple-side engaging portion is formed with a protruding protrusion for outward.

  The invention according to claim 5 is characterized in that the distal end portion of the temple has a substantially linear shape in a side view.

  According to the protective glasses according to claim 1, the flat plate portion formed in the one engaging portion is held by the holding portion formed in the other engaging portion, and further, a plurality of pieces formed in the flat plate portion. An engagement protrusion formed on the holding portion engages with one of the engagement recesses. Therefore, the other engaging portion can be slid up and down with respect to one engaging portion, and the frame can be adjusted to an appropriate position according to the shape of the wearer's face and the position of the eyes. Furthermore, the position of the temple can be adjusted to a position that does not interfere with the temple of the correcting glasses.

  In the invention of claim 2, the step portion is provided in the flat plate portion formed in the one engaging portion, and the guide member formed in the other engaging portion slides along the step portion. It can be stably slid up and down.

  In the invention of claim 3, the step portion is formed in a straight line having a predetermined angle with respect to the vertical direction, and each engagement recess is provided in an oblique direction along the step portion. When the slide is moved upward, the temple can be moved in the depth direction. For this reason, when the temple is slid upward, the temple reaches a deeper position with respect to the head of the wearer, so that more stable wearing is possible.

  In the invention of claim 4, the temple-side engaging portion is formed with a sliding projection facing outward, so that the wearer can easily lift the temple-side engaging portion up and down by pinching the sliding projection. It is possible to slide in the direction.

  In the invention of claim 5, since the tip portion of the temple is formed in a straight line shape when viewed from the side, interference with the temple can be avoided even when the temple of the correcting glasses is on the ear of the wearer. Wearability can be improved.

It is a perspective view of the protective glasses concerning one embodiment of the present invention. It is a top view of the protective glasses concerning one embodiment of the present invention. It is a perspective view which shows the engaging part of the spectacles frame and temple of the protective glasses which concern on one Embodiment of this invention. It is the perspective view which looked at the engaging part of the spectacles frame and temple of the protective glasses concerning one Embodiment of this invention from the inner side, and shows a mode that both were isolate | separated. It is the perspective view which looked at the engaging part of a spectacles frame and a temple of the protective glasses concerning one embodiment of the present invention from the outside, and shows signs that both were separated. It is explanatory drawing which shows typically the mode of interference when the protective glasses which concern on one Embodiment of this invention are mounted | worn from correction glasses. It is explanatory drawing which shows the state of both interference when the conventional protective glasses are mounted | worn from correction glasses.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing a configuration of protective glasses 11 according to an embodiment of the present invention, and FIG. 2 is a plan view (viewed from above). As shown in FIGS. 1 and 2, the protective glasses 11 according to the present embodiment are worn by the wearer while wearing corrective glasses (myopia glasses or reading glasses). The eyeglass frame 12 (frame) and temples 13 and 14 attached to the side portions of the eyeglass frame 12 are provided to protect the wearer's eyes by covering the front surface.

  The spectacle frame 12 is made of a transparent polycarbonate material and has a sealed shape covering the entire eye portion of the wearer wearing the corrective spectacles. In addition, a nose pad 15 is provided at a portion that comes into contact with the wearer's nose. Temples 13 and 14 are attached to the left and right side portions 12a and 12b of the spectacle frame 12, respectively. The distal end portions of the temples 13 and 14 are curved inward, and on the other hand, have a substantially flat shape in the vertical direction. That is, unlike the temples of general glasses, the distal ends of the temples 13 and 14 are not shaped to be bent downward. That is, the temples 13 and 14 have a substantially linear shape when viewed from the side. And the spectacles frame 12 can be fixed to a wearer's desired site | part by latching each temple 13 and 14 to a wearer's ear | edge or a head.

  FIG. 3 is a perspective view showing a state of engagement between the side portion of the spectacle frame 12 and the base portion of the temple 13, FIG. 4 is a perspective view seen from the inside when both are separated, and FIG. It is the perspective view seen from the outside at the time of cutting off. As shown in FIGS. 3 to 5, a frame-side engagement portion 21 is provided on the side portion of the spectacle frame 12, and a temple-side engagement portion 31 is provided on the base portion of the temple 13, The temples 13 (right side) are engaged with the spectacle frame 12 by the engagement of the engaging portions 21 and 31. The temple 14 (left side) shown in FIGS. 1 and 2 also has the same configuration except that the left and right sides are different.

  As shown in FIGS. 4 and 5, the frame side engaging portion 21 has a flat plate portion 22 having a flat plate shape, and the flat plate portion 22 has three groove portions 23 a to 23 c (engagement). Joint recesses) are formed. These groove portions 23 a to 23 c are formed in the vertical direction of the spectacle frame 12. That is, the three groove portions 23a to 23c are provided in the vertical direction. In other words, when the wearer wears the protective glasses 11, the longitudinal direction of each of the groove portions 23a to 23c having a rectangular shape is substantially horizontal.

  Further, the flat plate portion 22 is formed with a step portion 24 that is inclined at a slight angle (predetermined angle) with respect to the vertical direction of the spectacle frame 12. The step portion 24 has a step in the thickness direction of the flat plate portion 22 and is formed in a substantially linear shape. Furthermore, each groove part 23a-23c is shifted and formed in the horizontal direction so that the inclination angle of the level | step-difference part 24 may correspond. That is, as shown in FIG. 5, the line m connecting the end portions of the groove portions 23 a to 23 c is substantially parallel to the straight line of the step portion 24. In addition, the groove parts 23a-23c as an engagement recessed part of this invention can also be made into the notch shape which notched the flat plate part 22 in slit shape.

  On the other hand, as shown in FIG. 4, a temple side engaging portion 31 is formed at the base portion of the temple 13. The temple side engaging portion 31 has a holding portion 32 that holds the flat plate portion 22 having a cross-sectional “U” shape and formed on the spectacle frame 12 with a certain degree of elasticity. That is, the clamping part 32 is urged | biased inside with a certain amount of elastic force. The temple side engaging portion 31 includes a guide member 34 that contacts the step portion 24 when engaged with the frame side engaging portion 21 and guides the sliding movement of the holding portion 32, and the temple 13 when the temple 13 is folded. A hinge 33 serving as a rotation shaft for rotating the arm 13 by about 90 °, and a protrusion 35 (see FIGS. 1 and 2; a protrusion for sliding) that protrudes outside the temple 13 and is pressed by the wearer with a finger. Yes.

  Further, a notch 36 cut out in a “U” shape is formed in the plate material inside the clamping part 32, and the above-described grooves 23 a to 23 c are formed inside the notch 36. An engagement projection 37 is formed to engage with any one of the above.

  Therefore, as shown in FIG. 3, the frame side engaging portion 21 provided at the side portion of the spectacle frame 12 and the temple side engaging portion 31 provided at the base portion of the temple 13 Engage by holding the flat plate portion 22 with force. Moreover, the engagement protrusion 37 provided in the notch 36 is engaged with any one of the three grooves 23a to 23c, whereby the movement of the temple 13 in the vertical direction is restricted. Further, the guide member 34 formed on the temple side engaging portion 31 and the stepped portion 24 formed on the frame side engaging portion 21 come into contact with each other, whereby the movement of the temple 13 in the longitudinal direction is restricted. Therefore, the frame side engaging portion 21 and the temple side engaging portion 31 are firmly fixed in a desired positional relationship.

  Next, the operation of the protective glasses 11 according to this embodiment will be described. As described above, the protective glasses 11 according to the present embodiment have the flat plate portion 22 of the frame side engaging portion 21 provided on the side portion of the spectacle frame 12 and the clamping portion provided on the temple side engaging portion 31. The temple 13 is engaged with the spectacle frame 12 by being pinched at 32. Moreover, since the hinge 33 is provided in the root part of the temple 13, the temple 13 can be folded.

  Further, the position of the temple 13 with respect to the spectacle frame 12 can be changed as appropriate by sliding the holding portion 32 in the vertical direction. That is, when the protrusion 35 provided at the base of the temple 13 is pinched with a finger and the holding portion 32 is pressed in the vertical direction, the notch 36 is elastically deformed, and the engagement protrusion 37 is formed in the groove (23a-23c). Ride from any) and engage with adjacent grooves. For example, when the protrusion 35 is pushed up in a state where the engagement protrusion 37 is engaged with the groove 23b, the engagement protrusion 37 is detached from the groove 23b and moves to engage with the groove 23a one level above.

  By performing the above operation, the temple 13 can be translated in the vertical direction with respect to the spectacle frame 12. The same applies to the left temple 14. At this time, the guide member 34 formed on the temple side engaging portion 31 moves in contact with the stepped portion 24 formed on the frame side engaging portion 21. Therefore, when the temple 13 is moved upward, the temple 13 is It moves to the rear relative to the spectacle frame 12. On the contrary, when the temple 13 is moved downward, the temple 13 is moved forward relative to the spectacle frame 12.

  That is, as shown in FIG. 5, the stepped portion 24 is inclined at a slight angle with respect to the vertical direction as shown by the line m, so that the guide member 34 moves in contact with the stepped portion 24. As a result, the temple 13 moves in the direction of the arrow Y1 or Y2 in the figure. More specifically, when the temple 13 is slid upward, the temple 13 simultaneously moves in the direction of the arrow Y1, and when slid downward, the temple 13 moves in the direction of the arrow Y2.

  Then, the wearer places the spectacle frame 12 at his / her preferred position, and when the temples 13 and 14 interfere with the temples of the corrective glasses in this state, the wearer pinches the projection 35 with his / her finger and moves up and down. The height of the temples 13 and 14 can be adjusted to a suitable height by adjusting the height of the temples 13 and 14.

  Therefore, for example, as shown in FIG. 6, when the wearer wears the corrective glasses 102 and further wears the protective glasses 11 from above, the temple 102 of the corrective glasses 102 interferes with the temple 14 of the protective glasses 11. In this case, it is possible to avoid interference by sliding the temple 14 upward.

  That is, the protective glasses 11 according to the present embodiment can adjust the height by sliding the temples 13 and 14 up and down, so that interference with the temple 102a of the correcting glasses 102 can be avoided.

  In this way, in the protective glasses 11 according to the present embodiment, the clamping portion 32 provided in the temple side engaging portion 31 is slid in the vertical direction with respect to the flat plate portion 22 provided in the frame side engaging portion 21. By moving it, the temples 13 and 14 can be adjusted to positions corresponding to the wearer's own head shape. That is, the alignment can be performed by moving the temples 13 and 14 in the vertical direction. Therefore, as compared with the conventional structure in which the temple is rotated around an arbitrary point, the spectacle frame 12 can be adjusted to a suitable position, and the temples 13 and 14 do not interfere with the corrective glasses. Can be adjusted to any position. Accordingly, it is possible to perform appropriate alignment according to the position of the wearer's face and eyes.

  In the protective glasses 11 according to the present embodiment, the temple-side engaging portion 31 is formed with a protruding portion 35 (sliding protruding portion) protruding outward. By pinching, the holding part 32 can be easily slid up and down.

  Further, in the present embodiment, the step portion 24 is provided in a direction inclined by a slight angle with respect to the vertical direction, and the clamping member 32 slides in the vertical direction by the guide member 34 coming into contact with the step portion 24. Since it moves, the temples 13 and 14 move in the directions of arrows Y1 and Y2 in FIG. 5 in accordance with the sliding movement of the clamping part 32 in the vertical direction. That is, as the temples 13 and 14 slide upward, the depths of the temples 13 and 14 become deeper, so that the temples 13 and 14 can be easily locked to the wearer's head. For this reason, when a wearer crawls, the problem that the protective glasses 11 slip down can be avoided.

  Moreover, in this embodiment, the front-end | tip part of the temples 13 and 14 is curving inside, and on the other hand, it is not curving up and down. That is, when viewed from the side, it has a substantially linear shape. Therefore, the temples 13 and 14 are not engaged with the ears of the wearer but are worn so as to be wound around the head, so that interference with the temples of the corrective glasses can be avoided more effectively.

  In the above-described embodiment, the frame side engaging portion 21 is formed with the flat plate portion 22, the groove portions 23 a to 23 c, and the step portion 24, and the temple side engaging portion 31 is sandwiched with the clamping portion 32, the guide member 34, and the notch portion 36. The engagement protrusions 37 are provided, but it is also possible to reverse these arrangements. That is, it is possible to form a flat plate portion, a plurality of groove portions, and a step portion on the temple side engaging portion 31, and to provide a holding portion, a guide member, a notch portion, and an engaging protrusion on the frame side engaging portion 21. It is.

  That is, in the protective glasses according to the present invention, one of the frame-side engagement portion and the temple-side engagement portion has a flat plate portion, and the flat plate portion includes a plurality of pieces in the vertical direction of the wearer. The other engaging portion has a holding portion that holds the flat plate portion and is urged inward by an elastic force, and the notch portion is formed in the holding portion. Is a configuration in which one engaging projection for engaging one of the plurality of engaging recesses is provided.

DESCRIPTION OF SYMBOLS 11 Protective eyeglasses 12 Eyeglass frame 13,14 Temple 15 Nose pad 21 Frame side engaging part 22 Flat plate part 23a-23c Groove part (engaging recessed part)
24 Stepped portion 31 Temple side engaging portion 32 Holding portion 33 Hinge 34 Guide member 35 Protruding portion (sliding protruding portion)
36 Notch 37 Engagement protrusion

Claims (5)

In protective glasses that are worn over corrective glasses,
A frame arranged to cover the front surface of the correction glasses when worn;
A temple for mounting the frame on a wearer,
A frame side engagement portion that engages with the temple is formed on a side portion of the frame,
A temple-side engaging portion that engages with the frame-side engaging portion is formed at the base of the temple,
Of the frame side engaging portion and the temple side engaging portion,
One engaging part has a flat plate part, and a plurality of engaging concave parts are formed in the vertical direction of the wearer on the flat plate part,
The other engaging portion has a holding portion that holds the flat plate portion and is biased inward by elastic force, and the notch portion is formed in the holding portion, and the notch portion is a plurality of engaging recesses. One engaging protrusion is provided,
Protecting the parallel movement of the temple in the vertical direction relative to the frame by sliding the engagement protrusion in the vertical direction to engage with one of the engagement recesses. glasses.   The one engaging portion has a step portion having a step in the thickness direction of the flat plate portion, and the other engaging portion is provided with a guide member that contacts the step portion and guides the sliding movement of the temple. The protective glasses according to claim 1, wherein the protective glasses are provided.   The stepped portion is formed in a straight line having a predetermined angle with respect to the vertical direction, and the plurality of engaging recesses are provided in an oblique direction along the stepped portion formed in the straight line. The protective glasses according to claim 2.   The protective eyeglasses according to any one of claims 1 to 3, wherein the temple-side engaging portion is formed with a sliding projection facing outward.   The protective glasses according to any one of claims 1 to 4, wherein a distal end portion of the temple has a substantially linear shape in a side view.

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