Impact-resistant eyewear with double-curved lenses and impact-resistant lenses

Abstract

The utility model relates to a kind of impact-resistant glasses with double-curved lens and impact-resistant lens relevant to lens. Impact-resistant glasses with double-curved lens include at least one wearing unit and one lens unit. Wearing unit includes at least one wearing part extending a predetermined length along a first linear direction. Lens unit includes at least one assembly part and at least one impact-resistant lens fixed to the assembly part, and the impact-resistant lens is symmetrically assembled with the wearing unit by the assembly part with a symmetric center line. Each impact-resistant lens includes at least one curved surface area extending along a second linear direction and a third linear direction respectively, and the curved surface area is curved with different curvatures in the second and third linear directions.

Description

Technical Field

[0001] This invention relates to eyeglasses and their lenses, and more particularly to eyeglasses and their lenses that are resistant to impact. Background Technology

[0002] To meet specific needs, such as during various activities or to maintain workplace safety, people need to wear protective eyewear that can withstand physical impacts, chemical splashes, or dust to prevent eye injuries. In addition to a certain degree of toughness to resist impacts, protective eyewear also needs to cover the area around the user's eyes to better block impacts or splashes from the sides. Therefore, manufacturing protective eyewear that meets these needs and increasing the impact resistance and range of impact protection has always been a continuous goal for the industrial safety industry. Utility Model Content

[0003] One objective of this invention is to provide impact-resistant eyeglasses and impact-resistant lenses. The impact-resistant lens features curved areas that bend at different curvatures in two extending linear directions, thereby increasing the coverage and toughness of the lens in the inward and outward, or upward and downward, lateral directions, thus enhancing the impact resistance and durability of the eyeglasses. Preferably, the impact-resistant eyeglasses and impact-resistant lenses provided by this invention utilize hyperboloid lenses in industrial safety eyewear to further increase their impact resistance and durability.

[0004] Another objective of this invention is to provide impact-resistant glasses and impact-resistant lenses, wherein the curved area of ​​the impact-resistant lens is bent with a greater curvature in the extended horizontal linear direction, thereby increasing the coverage range of the impact-resistant lens in the inner and outer directions, and providing the user with a wider field of vision and less pressure-induced comfort.

[0005] In one embodiment of this application, the impact-resistant glasses include: a wearing unit and a lens unit. The wearing unit includes at least one wearing portion extending a predetermined length along a first linear direction. The lens unit includes at least one mounting portion and at least one impact-resistant lens fixed to the mounting portion, and the impact-resistant lens is symmetrically mounted to the wearing unit about a symmetrical center line via the mounting portion. Each impact-resistant lens includes at least one curved surface region extending along a second linear direction and a third linear direction, respectively, the curved surface regions being bent with different curvatures in the second and third linear directions.

[0006] In one embodiment of this application, the second linear direction of the impact-resistant glasses is a horizontal direction perpendicular to the center line of symmetry, the third linear direction is a vertical direction parallel to the center line of symmetry, and the curvature of the curved surface region in the second linear direction is greater than its curvature in the third linear direction.

[0007] In one embodiment of the impact-resistant glasses described in this application, the curvature of the curved surface region in the second linear direction is between 6 and 7 calories.

[0008] In one embodiment of the impact-resistant glasses described in this application, the curvature of the curved surface region in the third linear direction is between 3 and 3.8 cal.

[0009] In one embodiment of the impact-resistant glasses described in this application, the second linear direction is a horizontal direction perpendicular to the center line of symmetry, the third linear direction is a vertical direction parallel to the center line of symmetry, and the curvature of the curved surface region in the second linear direction is smaller than its curvature in the third linear direction.

[0010] In one embodiment of the impact-resistant glasses described in this application, the curved region includes a first extension segment and a second extension segment adjacent to the outer side of the first extension segment. The first extension segment is adapted to block a forward impact from the impact-resistant lens, and the second extension segment is adapted to block an inward and an outward impact from the impact-resistant lens.

[0011] In one embodiment of the impact-resistant glasses described in this application, the at least one impact-resistant lens is two impact-resistant lenses.

[0012] In one embodiment of the impact-resistant glasses described in this application, the at least one mounting part includes at least one connector connecting the wearing part and the impact-resistant lens.

[0013] In one embodiment of the impact-resistant glasses described in this application, the at least one wearing unit includes two temples.

[0014] In one embodiment of the impact-resistant glasses described in this application, the at least one wearing unit includes a headband.

[0015] In one embodiment of the impact-resistant glasses described in this application, a nose pad unit is further included that is assembled with the lens unit.

[0016] In one embodiment of this application, the impact-resistant lens includes: at least one curved surface region extending along a first linear direction and a second linear direction, respectively, the curved surface region being curved with different curvatures in the first and second linear directions, wherein the curved surface region includes a first extension segment and a second extension segment adjacent to the outer side of the first extension segment, the first extension segment being adapted to correspondingly block a forward impact from the impact-resistant lens, and the second extension segment being adapted to correspondingly block an inward and an outward impact from the impact-resistant lens.

[0017] In one embodiment of this application, the impact-resistant lens includes: at least one curved surface region extending along a first linear direction and a second linear direction, respectively, the curved surface region being curved with different curvatures in the first and second linear directions, wherein the curved surface region includes a first extension segment and a second extension segment adjacent to the outer side of the first extension segment, the first extension segment being adapted to correspondingly block a forward impact from the impact-resistant lens, and the second extension segment being adapted to correspondingly block an upper lateral and a lower lateral impact from the impact-resistant lens.

[0018] In one embodiment of the impact-resistant lens of this application, the first linear direction is a horizontal direction, the second linear direction is parallel to the vertical direction, and the curvature of the curved surface region in the first linear direction is greater than its curvature in the second linear direction.

[0019] In one embodiment of the impact-resistant lens of this application, the first linear direction is a horizontal direction, the second linear direction is parallel to the vertical direction, and the curvature of the curved surface region in the first linear direction is smaller than its curvature in the second linear direction.

[0020] In one embodiment of the impact-resistant lens of this application, the curvature of the curved area in the first linear direction is between 6 and 7 calfs.

[0021] In one embodiment of the impact-resistant lens of this application, the curvature of the curved surface region in the second linear direction is between 3 and 3.8 cal. Attached Figure Description

[0022] The accompanying drawings of this utility model are described below:

[0023] Figure 1 A schematic diagram showing the impact-resistant glasses according to the first embodiment of the present invention;

[0024] Figure 2 A schematic diagram showing a second embodiment of the impact-resistant lens of the present invention;

[0025] Figure 3 A schematic diagram showing the impact-resistant glasses according to the third embodiment of the present invention. Detailed Implementation

[0026] To further illustrate the various embodiments, the present invention provides accompanying drawings. These drawings are part of the disclosure of the present invention, primarily used to illustrate the embodiments and to explain the operating principles of the embodiments in conjunction with the relevant descriptions in the specification. With reference to these drawings, those skilled in the art should be able to understand other possible implementations and the advantages of the present invention. The elements in the drawings are not drawn to scale, and similar element symbols are generally used to represent similar elements.

[0027] Please refer to Figure 1 This diagram shows a schematic of the impact-resistant glasses according to the first embodiment of the present invention. Figure 1 The shape, size, proportions, and other appearance of the impact-resistant glasses 1 are for illustrative purposes only and are not intended to limit the scope of this invention. The impact-resistant glasses 1 mainly includes a wearing unit 10 and a lens unit 12. The materials of the wearing unit 10 and the lens unit 12 are not limited, but it is preferable to use a material with excellent toughness to improve the impact resistance of the impact-resistant glasses 1. Toughness is a comprehensive characteristic including mechanical strength and ductility. The wearing unit 10 is assembled with the lens unit 12, and the wearing unit 10 can be pivotally or non-pivotibly assembled with the lens unit 12 as needed. For example, the former can be assembled by pivoting, hinged, or snap-fitting, while the latter can be achieved by integrally molding the wearing unit 10 and lens unit 12 for secure assembly, or by using structures such as buckles or perforations to assemble the headband-like wearing unit 10 and lens unit 12, etc. In this embodiment, the wearing unit 10 and the lens unit 12 are pivotally connected to assemble the two, so that the user can pivot the wearing unit 10 to a folded state for easy storage, or pivot the wearing unit 10 again to an unfolded state for easy use.

[0028] In this embodiment, the wearing unit 10 includes two wearing parts 11 to facilitate wearing the impact-resistant glasses 1 on the user's face. The wearing part 11 illustrated here consists of two temples extending a predetermined length along a first linear direction, which can be suspended above the user's ears to wear the impact-resistant glasses 1. In other embodiments, the wearing part 11 can be designed with different structures or include more elements to improve wearing stability, comfort, convenience, and safety. For example, the wearing part 11 can be designed as an adjustable headband with good stability and comfort, or have additional auxiliary supports to improve safety. Preferably, the two ends of the temples or headband are symmetrically fitted onto opposite sides of the impact-resistant glasses 1.

[0029] The lens unit 12 includes at least one mounting portion 13 and at least one impact-resistant lens 14. In this embodiment, two impact-resistant lenses 14 are used as an example, and the mounting portion 13 is exemplified as a full-frame eyeglass frame, but the present invention is not limited thereto. The impact-resistant lens 14 can be, for example, a polarized lens with a curved surface, such as a toric lens. The shape, size, and proportion of the impact-resistant lens 14 are merely examples, and the present invention is not limited thereto. The mounting portion 13 can be assembled with at least a portion of the outer side of the impact-resistant lens 14 corresponding to the mounting portion 13 by means of fitting, clamping, locking, etc., so that the impact-resistant lens 14 is fixed to the mounting portion 13. This allows the impact-resistant lens 14 to be symmetrically assembled with the wearing unit 10 along a symmetrical center line via the mounting portion 13. In other words, in this embodiment, when two impact-resistant lenses 14 are fixed to the mounting portion 13 and assembled with the wearing unit 10, the two impact-resistant lenses 14 and the wearing unit 10 as a whole have a symmetrical center line. Each impact-resistant lens 14 includes at least one curved surface region extending along a second linear direction and a third linear direction, respectively. The curved surface regions are curved with different curvatures along the second and third linear directions, and the curved surface regions are preferably hyperboloids. The second linear direction is, for example, a horizontal direction perpendicular to the aforementioned center line of symmetry, and the third linear direction is, for example, a vertical direction parallel to the aforementioned center line of symmetry. Note that the aforementioned first, second, and third linear directions can be straight lines, curved lines, or other linear directions, and are not limited to any particular type. Figure 1By having different curvatures in different linear directions, such as a smaller curvature in the second linear direction than in the third linear direction, or a larger curvature in the second linear direction than in the third linear direction, the curvature of the curved area of ​​the impact-resistant lens 14 can be controlled in different directions. This increases the coverage and toughness of the impact-resistant lens in the inner, outer, or upper and lower lateral directions, thereby enhancing the impact resistance and tolerance of the impact-resistant glasses. Preferably, the curvature of the curved area in the second linear direction is smaller than its curvature in the third linear direction. This adjusts the coverage and toughness of the impact-resistant lens 14 corresponding to the inner, outer, or upper and lower lateral contours of the user's eyes when the impact-resistant glasses 1 are worn on the user's face, thus blocking more impacts or debris from the inner and outer directions and providing the user with a wider field of vision and less pressure-induced comfort. More preferably, the radius of curvature of the curved region in the second linear direction is between 87 and 74 mm, preferably between 82 and 86 mm, and the curvature calculated by dividing the optical constant Φ523 by this radius of curvature is approximately 6 to 7 calories, preferably between 6.081 and 6.378 calories; the radius of curvature of the curved region in the third linear direction is between 174 and 137.6 mm, preferably between 174 and 149 mm, and the curvature calculated by dividing the optical constant Φ523 by this radius of curvature is approximately 3 to 3.8 calories, preferably between 3 and 3.5 calories. The impact-resistant glasses 1 can be industrial safety glasses, and their impact resistance performance at certain impact velocities, such as 42 to 725 FT / s, can meet ANSI, CSA, AS / NZS, EN, or military standards.

[0030] Please refer to Figure 2 This diagram shows a schematic representation of an impact-resistant lens according to a second embodiment of the present invention. Figure 2 As shown, the impact-resistant lens 24 of this embodiment can be fitted into an impact-resistant eyeglass. Its outer edge contour can be designed as needed and is not limited here, nor is the shape of the impact-resistant eyeglasses it is suitable for limited. The impact-resistant lens 24 includes at least one hyperbolic curved surface region extending along a first linear direction and a second linear direction within an upper boundary line B1, a lower boundary line B2, a left boundary line B3, and a right boundary line B4. The impact-resistant lens 24 of this embodiment can be a hyperbolic lens. Note that the aforementioned first and second linear directions can be straight lines, curved lines, or other linear directions, and are not limited to any particular type. Figure 2The curved region bends with different curvatures C1 and C2 in the first and second linear directions, and C1 can be less than C2 or greater than C2. Here, C1 being less than C2 is taken as an example. Preferably, the curved region is hyperboloid. Specifically, the curved region may include a first extension segment A1 and two second extension segments A2, with the second extension segments A2 adjacent to the inner and outer sides of the first extension segment A1 in the first linear direction. The first extension segment A1 is adapted to block a forward impact from the impact-resistant lens 24, and the second extension segments A2 are adapted to block an inner and an outer impact from the impact-resistant lens. Because the curved region of the impact-resistant lens 24 bends with different curvatures in the first and second linear directions, the coverage and toughness of the impact-resistant lens 24 in the first or second linear direction are increased, thereby improving the impact resistance range and tolerance of the impact-resistant glasses.

[0031] Preferably, as illustrated in this embodiment, the first and second linear directions may be perpendicular to each other and may be horizontal and vertical directions, respectively, with their reference coordinate axes based on the impact-resistant eyeglasses to which the impact-resistant lens 24 is applicable. The curvature C1 of the curved region in the horizontal direction between the upper boundary line B1 and the lower boundary line B2 is different from its curvature C2 in the vertical direction between the left boundary line B3 and the right boundary line B4. For example, the curvature C1 of the curved region in the horizontal direction may be less than its curvature C2 in the vertical direction, or the curvature C1 of the curved region in the horizontal direction may be greater than its curvature C2 in the vertical direction, and so on. In this embodiment, the curvature C1 of the curved area in the horizontal direction is greater than its curvature C2 in the vertical direction. That is, the degree of curvature in the horizontal direction is greater than the degree of curvature in the vertical direction, so that the curved area of ​​the impact-resistant lens 24 has a greater degree of curvature in the horizontal direction. This allows it to conform to the contour of the user's side profile, thereby increasing the coverage and toughness of the impact-resistant lens 24 around the user's eyes. This enhances the range and tolerance of the impact-resistant glasses against lateral impacts, and provides the user with a wider field of vision and less pressure-induced comfort. Preferably, the radius of curvature of the curved area in the horizontal direction is between 87 and 74 mm, with 82 to 86 mm being preferred. The curvature, calculated by dividing the optical constant Φ523 by this radius of curvature, is approximately 6 to 7 cal, with 6.081 to 6.378 cal being preferred. The radius of curvature of the curved area in the vertical direction is between 174 and 137.6 mm, with 174 to 149 mm being preferred. The curvature, calculated by dividing the optical constant Φ523 by this radius of curvature, is approximately 3 to 3.8 cal, with 3 to 3.5 cal being preferred. More preferably, the impact-resistant lens 24, at a certain impact speed, for example, reaching an impact speed of 42 to 725 FT / s, meets the impact resistance standards of ANSI, CSA, AS / NZS, EN, or military standards.

[0032] However, in another embodiment, when the curvature C1 of the curved area of ​​the impact-resistant lens in the horizontal direction is less than its curvature C2 in the vertical direction, the curved area of ​​the impact-resistant lens exhibits a greater degree of curvature in the vertical direction. This allows it to cover the upper and lower contours of the user's face, thereby increasing the coverage and toughness of the impact-resistant lens 24 over the user's upper and lower eye contours. The impact-resistant lens of this embodiment is equivalent to the impact-resistant lens 14 of the first embodiment rotated by ninety degrees. At this time, the curved area includes a first extension segment and a second extension segment adjacent to the upper and lower sides of the first extension segment. The first extension segment is adapted to block a forward impact from the impact-resistant lens, and the second extension segment is adapted to block an upper and lower side impact from the impact-resistant lens.

[0033] Please refer to this as well. Figure 2 , Figure 3 , Figure 3 A schematic diagram showing the impact-resistant glasses according to the third embodiment of the present invention. Figure 3 The shape, size, and other appearance of the impact-resistant glasses 2 are for illustrative purposes only and are not intended to limit the scope of this invention. The impact-resistant glasses 1 mainly includes a wearing unit 20, a lens unit 22, and a nose pad unit 25. The materials of the wearing unit 20 and the lens unit 22 are not limited, but it is preferable to use a material with excellent toughness to improve the impact resistance of the impact-resistant glasses 1. Toughness is a comprehensive characteristic including mechanical strength and ductility. The wearing unit 20 is assembled with the lens unit 22, and the wearing unit 20 can be pivotally or non-pivotibly assembled with the lens unit 22 as needed. For example, the former can be assembled by pivoting, hinged, or snap-fitting; the latter can be achieved by integrally molding the wearing unit 20 and lens unit 22 for secure assembly, or by using structures such as buckles or perforations to assemble the headband-like wearing unit 20 with the lens unit 22, etc. In this embodiment, the wearing unit 20 and the lens unit 22 are pivotally connected to assemble the two, so that the user can pivot the wearing unit 20 to a folded state for easy storage, or pivot the wearing unit 20 again to an unfolded state for easy use.

[0034] In this embodiment, the wearing unit 20 includes two wearing parts 21 to facilitate wearing the impact-resistant glasses 1 on the user's face. The wearing part 21 illustrated here consists of two temples extending a predetermined length along a first linear direction, which can be hung above the user's ears to wear the impact-resistant glasses 2. In other embodiments, the wearing part 21 can be designed with different structures or include more elements to improve wearing stability, comfort, convenience, and safety. For example, the wearing part 21 can be designed as an adjustable headband with good stability and comfort, or it can have additional auxiliary supports to improve safety. Preferably, the two ends of the temples or headband are symmetrically fitted onto opposite sides of the impact-resistant glasses 2.

[0035] The lens unit 22 includes at least one mounting portion 23 and at least one impact-resistant lens 24. In this embodiment, an impact-resistant lens 24 of the second embodiment is used as an example. The impact-resistant lens 24 is specially designed with a single-piece outer edge profile. The mounting portion 23 is, in example, two connectors connecting the wearing portion 21 and the mounting portion 23. However, this utility model is not limited to this. The mounting portion 23 can be assembled with at least a portion of the outer side of the impact-resistant lens 24 corresponding to the mounting portion 23 by means of fitting, clamping, locking, etc., so that the impact-resistant lens 24 is fixed to the mounting portion 23. In this way, the mounting portion 23 enables the impact-resistant lens 24 to be symmetrically assembled with the wearing unit 20 with a symmetrical center line. In other words, in this embodiment, when the two impact-resistant lenses 24 are fixed to the assembly part 13 and assembled with the wearing unit 20, the two impact-resistant lenses 24 have a symmetrical center line as a whole, and the wearing parts 21, such as temples and headbands, are respectively assembled on opposite sides of the symmetrical center line, so that the two impact-resistant lenses 24 and the wearing unit 20 have a symmetrical center line as a whole.

[0036] The nose pad unit 25 is assembled with the lens unit 22 and can be attached above the user's nasal bone to wear the impact-resistant glasses 2, thereby improving their stability.

[0037] As previously described, the use of the impact-resistant lens 24 of the second embodiment enhances the coverage and resilience of the user's periorbital contour, and increases the range and resilience of the impact-resistant glasses 2 against lateral impacts. However, this embodiment may also use the impact-resistant lens 14 of the first embodiment or other impact-resistant lenses, and is not limited thereto.

[0038] The above description is based on several different embodiments of the present invention, wherein each feature may be implemented individually or in different combinations. Therefore, the disclosure of the embodiments of the present invention is a specific example illustrating the principles of the present invention, and should not be construed as limiting the present invention to the disclosed embodiments. Furthermore, the foregoing description and accompanying drawings are merely illustrative of the present invention and are not intended to limit it. Variations or combinations of other elements are possible and do not depart from the spirit and scope of the present invention.

Claims

1. An impact-resistant pair of glasses, characterized in that, include: A wearing unit includes at least one wearing portion extending a predetermined length along a first linear direction; and A lens unit includes at least one mounting part and at least one impact-resistant lens fixed to the at least one mounting part, and the at least one impact-resistant lens is symmetrically mounted to the at least one wearing unit with a symmetrical center line by means of the at least one mounting part. Each of the at least one impact-resistant lens includes at least one curved surface region extending along a second linear direction and a third linear direction, respectively. The curved surface region is bent with different curvatures in the second and third linear directions, and the curved surface region includes a first extension segment and a second extension segment adjacent to the outer side of the first extension segment. The first extension segment is adapted to block a forward impact from the impact-resistant lens, and the second extension segment is adapted to block an inward and an outward impact from the impact-resistant lens.

2. The impact-resistant glasses according to claim 1, characterized in that, The second linear direction is a horizontal direction perpendicular to the center line of symmetry, the third linear direction is a vertical direction parallel to the center line of symmetry, and the curvature of the surface region in the second linear direction is greater than its curvature in the third linear direction.

3. The impact-resistant glasses according to claim 1, characterized in that, The curvature of the curved surface region in the second linear direction is between 6 and 7 kilometres.

4. The impact-resistant glasses according to claim 1, characterized in that, The curvature of the curved surface region in the third linear direction is between 3 and 3.8 kcal.

5. The impact-resistant glasses according to claim 1, characterized in that, The second linear direction is a horizontal direction perpendicular to the center line of symmetry, the third linear direction is a vertical direction parallel to the center line of symmetry, and the curvature of the surface region in the second linear direction is less than its curvature in the third linear direction.

6. The impact-resistant glasses according to claim 1, characterized in that, The at least one impact-resistant lens is a hyperboloid lens.

7. The impact-resistant glasses according to claim 1, characterized in that, The at least one impact-resistant lens is two impact-resistant lenses.

8. The impact-resistant glasses according to claim 1, characterized in that, The at least one assembly includes at least one connector connecting the wearing part and the impact-resistant lens.

9. The impact-resistant glasses according to claim 1, characterized in that, The at least one wearing unit includes two temples.

10. The impact-resistant glasses according to claim 1, characterized in that, The at least one wearing unit includes a headband.

11. The impact-resistant glasses according to claim 1, characterized in that, It also includes a nose pad unit that is assembled with the lens unit.

12. An impact-resistant lens, characterized in that, include: A hyperbolic curved surface region, extending with different curvatures along a horizontal and a vertical direction within an upper boundary line, a lower boundary line, a left boundary line, and a right boundary line. Specifically, the hyperbolic curved surface region bends with one curvature in the horizontal direction between the upper and lower boundary lines, and bends with another curvature in the vertical direction between the left and right boundary lines, with the first curvature being greater than the second. The hyperbolic curved surface region includes a first extension segment and a second extension segment adjacent to the outer side of the first extension segment. The first extension segment is adapted to block a forward impact from the impact-resistant lens, and the second extension segment is adapted to block an inward and an outward impact from the impact-resistant lens.

13. An impact-resistant lens, characterized in that, include: A hyperbolic curved surface region extends along at least one of an upper boundary line, a lower boundary line, a left boundary line, and a right boundary line, respectively, along a horizontal direction and a vertical direction. The hyperbolic curved surface region bends with a curvature in the horizontal direction between the upper and lower boundary lines, and bends with a different curvature in the vertical direction between the left and right boundary lines, wherein the curvature is less than the other curvature. The hyperbolic curved surface region includes a first extension segment and a second extension segment adjacent to the outer side of the first extension segment. The first extension segment is adapted to block a forward impact from the impact-resistant lens, and the second extension segment is adapted to block an upper lateral impact and a lower lateral impact from the impact-resistant lens.

14. The impact-resistant lens according to claim 12 or 13, characterized in that, The curvature of the surface region in the horizontal direction is greater than its curvature in the vertical direction.

15. The impact-resistant lens according to claim 12 or 13, characterized in that, The curvature of the surface region in the horizontal direction is less than its curvature in the vertical direction.

16. The impact-resistant lens according to claim 12 or 13, characterized in that, The curvature of the curved surface region in the horizontal direction is between 6 and 7 kilometres.

17. The impact-resistant lens according to claim 12 or 13, characterized in that, The curvature of the curved surface region in the vertical direction is between 3 and 3.8 kcal.

18. The impact-resistant lens according to claim 12 or 13, characterized in that, The at least one impact-resistant lens is a hyperboloid lens.

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