TWI640259B - Protection goggle - Google Patents

Abstract

The present invention provides a protective eyeglass that can be brought to a suitable position by adjusting the position corresponding to the shape of the face and the eye.

The present invention is a protective eyeglass 11 that is attached to the corrective eyeglasses, and the frame-side fitting portion 21 has a flat plate portion 22 having a plurality of groove portions 23a to 23c formed in the vertical direction. Further, the hook arm side fitting portion 31 has a holding portion 32 that is biased inward by the elastic force of the holding flat plate portion 22, and the holding portion 32 is formed with the slit piece portion 36, and the slit piece portion 36 is formed. A fitting protrusion 37 is provided which is fitted to one of the three groove portions 23a to 23c. Then, the fitting projections 37 are slid in the vertical direction to be fitted into one of the groove portions 23a to 23c, whereby the hook arms 13, 14 are moved in parallel with respect to the eyeglass frame 12 in the vertical direction.

Description

Protective glasses

The present invention relates to a protective eyewear that protects the wearer's eyes wearing the corrective eyewear in a manner that covers the corrective eyewear.

For example, in a production line in a factory, in order to prevent dust and chips generated during machining from entering the eyes, workers wear protective glasses. In addition, in order to wear a corrective spectacles such as glasses for myopia or glasses, it is conventional to have a protective spectacles to cover the corrective spectacles, which can be worn on corrective spectacles.

In addition, since the position of the face and the eyes differ depending on the worker (wearer), the protective glasses interfere with the corrective glasses. In order to solve such a problem, there is known a protective eyeglass in which the angle of the hook arm to the eyeglass frame can be arbitrarily switched.

For example, the article described in Japanese Laid-Open Patent Publication No. 3010232 (Patent Document 1) is known. Patent Document 1 discloses a protective eyeglass provided with a switching mechanism that can arbitrarily switch the angle of the hook arm to the eyeglass frame. (Generally, the glasses are used on both sides of the eyeglasses for hooking the double-sided ears of the person with the lens, the English name is temple, referred to herein as the hook arm).

(previous technical literature) (Patent Literature)

Patent Document 1: Japanese Utility New Case No. 3010232

However, in the protective eyewear disclosed in Patent Document 1, since the hook arm is rotated only at a predetermined angle around a point, there is a problem that interference with the correcting eyeglasses cannot be avoided. This will be described below with reference to Figs. 7(a) to (c). Further, the following descriptions, before, after, right and left, up and down, inside and outside, refer to the front, rear, left and right, up and down, and inside and outside directions of the wearer.

Fig. 7(a) is an explanatory view schematically showing how the protective glasses 101 are worn on the correcting glasses 102. As shown in Fig. 7(a), since the wearer wears the corrective spectacles 102, if the protective spectacles 101 are worn thereon, the hook arm 102a of the correcting spectacles 102 interferes with the hook arm 101a of the protective spectacles 101. In this case, the protective glasses 101 cannot be worn smoothly.

In order to solve this problem, as shown in Fig. 7(b), it is conceivable that the hook arm 101a of the protective eyeglass 101 is rotated downward about the root (front end portion) of the hook arm 101a, so that the position of the hook arm 101a is relatively relatively Therefore, the interference of the hook arm 102a of the correcting glasses 102 and the hook arm 101a of the protective glasses 101 is avoided. However, in this case, the frame angle of the protective glasses 101 may vary, resulting in poor wearability.

In addition, as shown in Fig. 7(c), if the hook arm 101a is used When the root portion is rotated upward from the center so that the end portion (rear end portion) of the hook arm 101a comes to a high position, the following problem occurs: the weight balance is deteriorated, and the stability is deteriorated when the wearer's head is turned toward The protective glasses 101 become easy to slip down when the head is lowered or the like.

The present invention has been made in order to solve such a conventional problem, and an object thereof is to provide a protective eyeglass that can adjust a position of a hook arm to an appropriate position in accordance with a face shape of a wearer and an eye position.

In order to achieve the above object, the protective glasses of the present invention are superimposed on the protective glasses for correcting glasses, including: a frame, which is disposed to cover the front surface of the correcting glasses when worn; and a hook arm for wearing the frame a frame-side fitting portion that is fitted to the hook arm is formed on a side surface portion of the frame; and a hook arm side surface that is fitted to the frame-frame fitting portion is formed at a root portion of the hook arm a fitting portion having one of the frame-side fitting portion and the hook-arm-side fitting portion, wherein the flat portion has a plurality of fitting recesses formed in the vertical direction, and the other fitting portion has a fitting portion a clamping portion, the clamping portion is biased inward by an elastic force of the flat plate portion, and a cutout piece portion is formed in the clamping portion, and the cutout piece portion is provided with one of a plurality of fitting concave portions The fitting protrusion is slid in the vertical direction, and is fitted into one of the fitting recesses, whereby the hook arm is moved in parallel with respect to the frame in the vertical direction.

According to the above configuration, the flat plate portion formed in one of the fitting portions is held by the sandwiching portion formed by the other fitting portion, and then Further, the fitting projection formed in the nip portion is fitted to one of the plurality of fitting recessed portions formed in the flat plate portion. Therefore, the fitting portion of the other side can be slidably moved in the up and down direction with respect to one of the fitting portions; and the frame can be aligned to an appropriate position corresponding to the wearer's face shape and the position of the eye; The position of the hook arm is aligned to a position that does not interfere with the hook arm of the correcting eyeglass.

Further, the one fitting portion may have a step difference portion having a step difference in a thickness direction of the flat plate portion, and the other fitting portion may have a guiding member, and the guiding member may be different from the step portion The parts are connected and guide the sliding movement of the aforementioned hook arms.

According to the above configuration, the step portion formed in one of the fitting portions is provided with the step portion, and the guide member formed on the other fitting portion is slid along the step portion, so that the hook arm can be stably slid in the up and down direction. mobile.

Further, the stepped portion is formed linearly so that the upper end is located on the rear side and the lower end is located on the front side, and the plurality of fitting recesses are formed along the linearly formed step portion. , set in an oblique direction.

According to the above configuration, the step difference portion is formed to be linearly inclined at a predetermined angle in the vertical direction, and since each of the fitting recess portions is provided in the oblique direction along the step difference portion, if the hook arm is slid upward, the hook arm is slid upward. The hook arm can move in the depth direction. Therefore, in the case where the hook arm is moved upward, since the hook arm reaches a deeper position with respect to the wearer's head, it can be worn more stably.

Further, a sliding protrusion portion that faces outward may be formed in the hook arm fitting portion.

According to the above configuration, since the sliding arm protrusion portion is formed on the hook arm side fitting portion, the wearer can easily hold the hook arm side fitting portion in the up and down direction by pinching the sliding projection portion. Do a sliding move.

Further, the distal end portion of the hook arm may have a substantially linear shape when viewed from the side.

According to the above configuration, since the distal end portion of the hook arm is formed in a substantially linear shape as viewed from the side, even if the hook arm of the correcting eyeglass is hung on the wearer's ear, the hook arm and the hook arm of the corrective eyeglass can be avoided. Interference can improve wearability.

11‧‧‧Protection glasses

12‧‧‧ glasses frame (frame)

12a, 12b‧‧‧ lateral section

13, 14‧‧‧ hook arm

15‧‧‧ nose pad

21‧‧‧ Frame side fitting

22‧‧‧ Flat section

23a to 23c‧‧‧ditch (fitting recess)

24‧‧‧Department

31‧‧‧Hook arm side fitting

32‧‧‧Clamping Department

33‧‧‧Latch

34‧‧‧Guiding components

35‧‧‧Protruding part (sliding protrusion)

36‧‧‧Incision section

37‧‧‧ fitting protrusion

Fig. 1 is a perspective view showing a protective eyeglass according to an embodiment of the present invention.

Fig. 2 is a plan view showing a protective eyeglass according to an embodiment of the present invention.

Fig. 3 is a plan view showing a fitting portion of a spectacle frame and a hook arm of the protective glasses according to an embodiment of the present invention.

Fig. 4 is a perspective view showing the fitting portion of the eyeglass frame and the hook arm from the inside of the protective eyeglasses according to an embodiment of the present invention, and showing a state in which the two are separated.

Fig. 5 is a side elevational view showing the fitting portion of the spectacle frame and the hook arm of the protective glasses according to an embodiment of the present invention, and showing a state in which the two are separated.

Figure 6 is a schematic view showing the protective glasses of an embodiment of the present invention. An illustration of the appearance of interference when wearing from above.

Fig. 7 (a) to (c) are explanatory views showing the state of interference between the conventional protective glasses when they are worn from above the correcting glasses.

The embodiments of the present invention will be described below based on the drawings. Fig. 1 is a perspective view showing the structure of a protective eyeglass 11 according to an embodiment of the present invention, and Fig. 2 is a plan view thereof (viewed from above). As shown in FIG. 1 and FIG. 2, the protective eyewear 11 of the present embodiment is attached to the corrective glasses when the wearer wears corrective glasses (glasses for myopia or reading glasses). Correct the front of the glasses, thereby protecting the wearer's eyes. The protective eyeglasses 11 are composed of a spectacle frame 12 and hook arms 13 and 14 attached to the side portions of the spectacle frame 12. Further, the following descriptions of the front, the rear, the left and right, the upper and lower, and the inside and the outside are the directions of the front, the left, the right, the upper and lower, and the inside and the outside.

The eyeglass frame 12 is formed of a transparent polycarbonate material and has a hermetic shape covering the entire portion of the wearer's eye wearing the corrective lens. Further, a nose pad 15 is provided at a portion where the eye of the eyeglass frame 12 is worn by the wearer's nose. Further, hook arms 13 and 14 are attached to the right left side portions 12a and 12b of the eyeglass frame 12, respectively. The end portions (rear end portions) of the respective hook arms 13 and 14 are curved inward, and the vertical direction is substantially horizontal. That is, the end portions of the hook arms 13 and 14 are different from the general hook arms, and the end portions are not bent downward. That is, when the hook arms 13 and 14 are viewed from the side, they are approximately linear. Then, each of the hook arms 13, 14 is stopped at the wearer's ear or head so that the wearer can fix the eyeglass frame 12 to the desired portion of the wearer. Bit.

3 is a perspective view showing a state in which a lateral portion of the eyeglass frame 12 is fitted to a root portion (a front end portion) of the hook arm 13. FIG. 4 is a perspective view showing the eyeglass frame 12 separated from the hook arm 13 from the inside. 5 is a side view of the separation of the eyeglass frame 12 and the hook arm 13. As shown in FIGS. 3 to 5, the side frame portion 12a of the eyeglass frame 12 is provided with a frame side fitting portion 21, and the hook arm 13 is provided with a hook arm side fitting portion 31 at the root portion thereof. The portions 21 and 13 are fitted to the eyeglass frame 12 with the hook arm 13 (right side). Further, the hook arms 14 (left side) shown in Figs. 1 and 2 have the same configuration, and differ only in the left and right.

As shown in FIG. 4 and FIG. 5, the frame-side fitting portion 21 has a flat plate portion 22 having a flat plate shape, and three groove portions 23a to 23c (fitting recess portions) having a rectangular shape are formed inside the flat plate portion 22, and this is formed. The equal groove portions 23a to 23c are formed in the vertical direction of the eyeglass frame 12. In other words, each of the groove portions 23a to 23c is provided in three vertical directions. In other words, when the wearer wears the protective goggles 11, the longitudinal direction of each of the groove portions 23a to 23c having a rectangular shape is slightly oriented in the horizontal direction.

Further, the outer side of the flat plate portion 22 (the frame side fitting portion 21) is formed with a step portion 24 which is inclined at a plurality of angles (predetermined angles) with respect to the upper and lower directions of the eyeglass frame 12 (from the upper side to the lower side, The side is inclined toward the front side, and the outer side becomes high from the front side to the rear side. The step portion 24 has a step difference in the thickness direction of the flat plate portion 22, and is formed substantially linearly. Further, each of the groove portions 23a to 23c is formed to be displaced in the lateral direction (backward direction) so as to coincide with the inclination angle of the step difference portion 24. That is, as the fifth As shown in the figure, the line m connecting the end portions (front end portions) of the respective groove portions 23a to 23c is slightly parallel to the straight line of the step difference portion 24. Further, in the groove portions 23a to 23c which are fitting recesses of the present invention, the flat plate portion 22 may be cut into a slit shape to form a slit shape.

On the other hand, as shown in Fig. 4, the hook arm side fitting portion 31 is formed at the root of the hook arm 13. The hook arm side fitting portion 31 has a holding portion 32 that sandwiches the flat plate portion 22 with a certain degree of elastic force, and the flat plate portion is formed in the eyeglass frame 12 having a U-shaped plan view. That is, the clamping portion 32 is biased inward by a certain degree of elastic force. Further, the hook arm side fitting portion 31 has a guide member 34 that is in contact with the step position portion 24 when the hook arm side fitting portion 31 is fitted to the frame side fitting portion 21, and guides the sliding of the grip portion 32. The latch 33 is rotated about the hook arm 13 by about 90° when the hook arm 13 is folded; and the protrusion 35 is used to press the finger with the finger when the hook arm 13 protrudes outward.

Further, a slit piece portion 36 formed by cutting into a U shape is formed on a plate material inside the sandwiching portion 32, and a fitting protrusion 37 is formed inside the slit piece portion 36, and the fitting protrusion is formed One of the above-described groove portions 23a to 23c is fitted.

Therefore, as shown in Fig. 3, the frame-side fitting portion 21 provided in the lateral portion 12a of the eyeglass frame 12 and the hook-arm-side fitting portion 31 provided at the base of the hook arm 13 are held by the clamp The elastic force of the portion 32 sandwiches the flat plate portion 22 and is fitted. Further, the fitting projection 37 provided in the slit piece portion 36 is fitted to one of the three groove portions 23a to 23c, whereby the movement of the hook arm 13 in the vertical direction is regulated. In addition, it is formed on the hook arm side fitting portion The guide member 34 of 31 is in contact with the step portion 24 formed on the frame-side fitting portion 21; the rear end of the flat portion 22 is in contact with the bottom of the grip portion 32; thereby, the movement of the hook arm 13 in the longitudinal direction is regulated. . Therefore, the frame side fitting portion 21 and the hook arm side fitting portion 31 are firmly fixed in a desired positional relationship.

Next, the action of the protective eyewear 11 of the present embodiment will be described. As described above, the protective eyeglasses 11 of the present embodiment are sandwiched by the nip portion 32 provided on the hook arm side fitting portion 31, and are sandwiched by the frame side fitting portion 21 provided in the lateral portion 12a of the eyeglass frame 12 The portion 22 is thereby fitted to the eyeglass frame 12 by the hook arm 13. Further, since the root of the hook arm 13 is provided with the latch 33, the hook arm 13 can be folded.

Further, by causing the grip portion 32 to slide in the vertical direction, the position of the hook arm 13 with respect to the eyeglass frame 12 can be appropriately changed. In other words, when the protrusion 35 provided at the root of the hook arm 13 is pinched by the finger, and the nip portion 32 is pressed in the vertical direction, the slit piece 36 is elastically deformed, and the fitting protrusion 37 is from the groove portion (23a to 23c) One of the cards is fitted to the adjacent groove portion. For example, when the fitting projection 37 is fitted into the groove portion 23b and the projection portion 35 is pushed upward, the fitting projection 37 is disengaged from the groove portion 23b and moved and fitted to the upper groove portion 23a.

By performing the above operation, the hook arm 13 can be moved in parallel with respect to the eyeglass frame 12 in the up and down direction. Further, the hook arms 14 on the left side are also the same. At this time, the guide member 34 formed on the hook arm side fitting portion 31 is in contact with and moved to the step portion 24 formed on the frame side fitting portion 21, and when the hook arm 13 is moved upward, the hook arm 13 is opposed The lens frame 12 moves rearward. Conversely, if the hook arm 13 is made downward When moving, the hook arm 13 moves forward relative to the eyeglass frame 12.

That is, as shown in Fig. 5, since the step difference portion 24 is inclined at a certain angle with respect to the vertical direction as indicated by the line m, the hook is caused by the movement of the guiding member 34 that is in contact with the step portion 24 The arm 13 moves in the direction of the arrow Y1 or the arrow Y2 in the middle. More specifically, when the hook arm 13 is slid upward, the hook arm 13 is moved in the direction of the arrow Y1, and when the hook arm 13 is slid downward, the hook arm 13 is moved in the direction of the arrow Y2.

Then, the wearer arranges the eyeglass frame 12 at a position suitable for itself, and in this state, in the case where the hook arms 13, 14 interfere with the hook arms of the corrective glasses, by pinching with the fingers and up and down By adjusting the height of the hook arms 13, 14 by pressing the projections 35, the hook arms 13, 14 can be positioned at an appropriate height.

Therefore, the wearer, for example, wears the corrective spectacles 102 as shown in Fig. 6, and further, when the protective spectacles 11 are worn thereon, the hook arm 102a of the correcting spectacles 102 interferes with the hook arm 14 of the protective spectacles 11 In this case, by causing the hook arm 14 to slide upward, the interference between the hook arm 102a and the hook arm 14 can be avoided.

That is, in the protective eyeglasses 11 of the present embodiment, since the hook arms 13 and 14 can be moved up and down to adjust the height thereof, the interference between the hook arm 102a of the correcting eyeglasses 102 and the hook arms 13 and 14 can be avoided.

In the protective eyeglasses 11 of the present embodiment, the nip portion 32 provided on the hook arm side fitting portion 31 is slidably moved in the vertical direction with respect to the flat plate portion 22 provided on the frame side fitting portion 21, This can be The hook arms 13, 14 are aligned to a position corresponding to the shape of the wearer's own head. That is, the hook arms 13, 14 can be moved in parallel in the up and down direction to align the positions. Therefore, in contrast to the conventional construction of rotating the hook arm at any point, the hook arms 13, 14 can be aligned to a suitable position, and the hook arms 13, 14 can be aligned so as not to interfere with the corrective glasses. The right location. Therefore, it is possible to align to a suitable position corresponding to the position of the wearer's face or eyes.

Further, in the protective eyeglasses 11 of the present embodiment, since the protruding portion 35 (the sliding projection portion) that protrudes outward is formed in the hook arm side fitting portion 31, the wearer grasps the protruding portion by fingers. 35, the grip portion 32 can be easily slidably moved in the vertical direction with respect to the flat plate portion 22.

Further, in the present embodiment, the step portion 24 which is inclined at a plurality of angles in the vertical direction is provided, and the guide member 34 is in contact with the step portion 24, and the nip portion 32 is slidably moved in the up and down direction. Therefore, as the grip portion 32 moves in the up and down direction, the hook arms 13 and 14 move in the directions of the arrows Y1 and Y2 in Fig. 5 . That is, since the hook arms 13, 14 are deeper as the hook arms 13, 14 are slid upward, it is easy to stop the wearer's head. Therefore, it is possible to avoid problems such as the fall of the glasses 11 when the wearer leans down.

Further, in the present embodiment, the end portions of the hook arms 13 and 14 are bent inward, and are not bent in the other directions or in the up and down direction. That is, the hook arms 13 and 14 have a substantially linear shape when viewed from the side. Therefore, since the hook arms 13, 14 are not fitted to the wearer's ear, but are worn around the head, the hook arm and the hook arm of the corrective glasses can be more effectively avoided. Interference with 13,14.

Further, in the above-described embodiment, the step portion 24 is formed on the outer side of the flat plate portion 22 of the frame-side fitting portion 21, and the outer plate portion is formed on the outer side of the nip portion 32 of the hook-arm-side fitting portion 31. The guide member 34 is provided on the inner side. However, a guide member may be formed on the outer side of the inner plate member of the clamp portion 32 of the hook arm side fitting portion 31, and the flat plate portion 22 of the frame side fitting portion 21 may be formed. The step portion is provided (from the upper side to the lower side, which is inclined so as to protrude from the rear side toward the front side; and the step portion from the front side to the rear side where the inner side becomes higher).

Further, in the above-described embodiment, the inside of the flat plate portion 22 of the frame side fitting portion 21 is formed with the groove portions 23a to 23c, and the outer side of the inner plate of the nip portion 32 of the hook arm side fitting portion 31 is formed. The notch piece 36 and the fitting protrusion 37 are provided. However, a configuration may be adopted in which a plurality of groove portions are formed on the outer side of the flat plate portion 22 of the frame side fitting portion 21, and a clamping portion of the hook arm side fitting portion 31 is formed. The inner side of the outer side plate 32 is provided with a slit piece and a fitting protrusion.

Further, in the above-described embodiment, the frame-side fitting portion 21 is formed with the flat plate portion 22, the groove portions 23a to 23c, and the step portion 24, and the hook-arm-side fitting portion 31 is provided with a clamp. The portion 32, the guiding member 34, the slit piece portion 36, and the fitting projection 37; however, it may be reversed from these configurations. In other words, the hook arm side fitting portion 31 is formed with a flat plate portion, a plurality of groove portions, and a step difference portion, and the frame side fitting portion 21 is provided with a sandwiching portion, a guiding member, and a slit portion. , fitting protrusions.

That is, the protective lens system of the present invention has the following structure The fitting portion of one of the frame-side fitting portion and the hook-arm-side fitting portion has a flat plate portion, and the flat plate portion is formed with a plurality of fitting recesses in the upper and lower directions of the wearer; the other fitting portion has a clamping portion that is biased inward by an elastic force that clamps the flat plate portion; a cutting piece portion is formed in the clamping portion, and the cutout piece portion is provided with one of a plurality of fitting concave portions Fitted with the protuberances.

Claims (6)

A protective eyeglass that is worn over the corrective lens, comprising: a frame, configured to cover the front surface of the corrective eyeglass when worn; and a hook arm for supporting the frame to the wearer; a frame side fitting portion that is fitted to the hook arm is formed on a side surface portion of the frame; a hook arm side fitting portion that is fitted to the frame side fitting portion is formed at a root portion of the hook arm; and the frame side is fitted The fitting portion of one of the joint portion and the hook arm side fitting portion has a flat plate portion, the flat plate portion is formed with a plurality of fitting recess portions in the up and down direction, and the other fitting portion has a grip portion, the grip portion The portion is biased inward by the elastic force of the flat plate portion, and the nip portion is formed with a slit piece portion, and the slit piece portion is provided with a fitting protrusion that is fitted into one of the plurality of fitting recess portions; The fitting projection is slid in the vertical direction and fitted into one of the fitting recesses, whereby the hook arm is moved in parallel with respect to the frame in the vertical direction. The protective eyewear according to claim 1, wherein the one of the fitting portions has a stepped portion, and the stepped portion has a stepped difference in a thickness direction of the flat plate portion; and the other fitting portion is provided with a guiding member that is in contact with the step difference portion and guides the hook arm to slide. The protective eyewear according to the second aspect of the invention, wherein the stepped portion is formed linearly from the upper side to the lower side so as to protrude from the rear side toward the front side; the plurality of fitting recesses, It is formed in an oblique direction along the step portion formed linearly. The protective eyewear according to any one of the first to third aspects of the present invention, wherein the hooking arm side fitting portion is formed with a sliding projection on the outer side. The protective eyewear according to any one of claims 1 to 3, wherein the end portion of the hook arm has a substantially linear shape when viewed from the side. The protective eyewear according to claim 4, wherein the end portion of the hook arm has a substantially linear shape when viewed from the side.