TWM468165U - Lens assembly for helmet - Google Patents

Description

Hard hat lens assembly

The present invention relates to a safety helmet lens assembly, and more particularly to a safety helmet lens assembly for mounting on the front side of a helmet cap to provide functions such as a helmet wearer's eye and face protection.

To protect the head safety of locomotive drivers and passengers, the Act requires motorists and passengers to carry helmets. In the existing safety helmet, in addition to the multi-layer structure of the helmet cap, the protective function is provided, and the front side of the helmet body of the helmet is mostly provided with a lens assembly that can be rotated up and down, and the eye of the helmet wearer is The face provides protection.

The lens assembly structure of the early helmet can have the function of up-and-down rotation, but when the lens moves up to the top of the cap, the lens over-exposes the top of the cap. During the running of the locomotive, the resistance of the lens to the wind is too large, and it is safe. Insufficient problem, in response to this, a "built-in lens structure for a safety helmet" disclosed in the new patent application No. M382737 has been proposed, which is created by the adductive lens structure to solve the problem that the aforementioned lens is excessively protruded from the top of the cap body. Degree problem.

However, the aforementioned safety cap built-in lens structure can cause discomfort to the helmet wearer, and there is no inability to fit the helmet cap to the wearer's head, and fail to provide good safety protection. Therefore, the applicant has previously proposed an improved hard hat lens creation, in which the lens is attached a long groove is formed on the pivoting portion of the left and right sides of the piece and the cap body, and the positioning member of the assembled cap body is provided through the long groove, so that the downward rotation of the lens can be adjacent to the front side of the helmet cap body. When the lens is rotated up to the top of the cap, the lens can approach the cap to avoid excessive protrusion of the lens. However, when the lens is rotated upward to the top of the cap body, the lens is liable to slide down due to external force such as vibration due to the lack of an auxiliary positioning structure, which needs further improvement.

The main purpose of this creation is to provide a safety helmet lens assembly, which is created to solve the problem that the lens of the existing safety helmet is slid down by the external force such as vibration when the lens of the existing safety helmet is rotated to the top of the cap.

In order to achieve the foregoing, the present invention provides a helmet lens assembly comprising: a transparent curved lens, the left and right sides of which are pivotal portions, and a long slot is formed in the pivoting portion, the pivoting The outer surface of the lower portion is formed with at least one positioning protrusion at the outer periphery of the long groove; the second positioning side cover is respectively disposed on the outer surface of the pivoting portion on the left and right sides of the lens, and the positioning side cover is provided with a positioning hole, and The positioning side cover forms a concave portion toward the inner side surface of the lens pivoting portion and at least one limiting retaining edge at the periphery of the concave portion, and the limiting retaining edge of the inner side of the positioning side cover abuts against the outer surface of the lens pivoting portion, and the positioning convex of the lens The granules can be slid into the recesses to limit the limit ribs; and the two locating members are respectively disposed in the long slots of the positioning holes of the two positioning side covers and the corresponding pivoting portions of the lens, The group is set on the helmet cap.

By creating the front helmet lens assembly, the main purpose is that the left and right pivot portions of the lens form at least one positioning on the outer surface of the lower portion of the long groove. The convex granules are respectively disposed on the pivoting portions on both sides of the lens, and then the positioning side members are respectively disposed on the helmet cap body or the caps through the long slots of the positioning side cover and the lens pivoting portion. On the front side of the body, the positioning side cover abuts the inner side of the lens to form a concave portion and a limiting retaining edge at the periphery of the concave portion for positioning the convex lens of the lens when the lens is rotated upward to the top of the hard hat body It can slide over the limit retaining edge of the positioning side cover and enter the recess to limit the limit retaining edge so that the lens is positioned at the top of the cap without falling downward.

10‧‧‧ lenses

11‧‧‧ pivotal department

12‧‧‧Long slot

13‧‧‧ Positioning convex

14‧‧‧ positioning flange

20‧‧‧ Positioning side cover

21‧‧‧Positioning holes

22‧‧‧ recess

23‧‧‧Limited retaining edge

30‧‧‧ Positioning parts

40‧‧‧Caps

41‧‧‧Fixed tape

42‧‧‧hat

50‧‧‧Cap

1 is a perspective exploded view of a preferred embodiment of the present invention.

2 is a side plan view showing the preferred embodiment of the helmet lens assembly of FIG. 1 assembled on the helmet cap and rotated downwardly to the front side of the cap.

3 is a side plan view showing the preferred embodiment of the helmet lens assembly of FIG. 1 assembled on the helmet cap and positioned upwardly from the lens to the top of the cap.

4 is a perspective view of a preferred embodiment of the present invention, in combination with a cap of a safety helmet.

FIG. 5 is a side plan view showing the preferred embodiment of the helmet lens assembly of FIG. 4 in combination with the brim member disposed on the helmet cap and rotated downwardly to the front side of the cap.

6 is a side plan view showing the preferred embodiment of the safety helmet lens assembly shown in FIG. 4 in combination with the brim member disposed on the helmet cap body and rotated upwardly from the lens to the top of the cap body.

As shown in FIG. 1, a preferred embodiment of the present invention is disclosed. The helmet lens assembly includes a lens 10, two positioning side covers 20, and two positioning members 30.

As shown in FIG. 1 , the lens 10 is an arc-shaped member made of a transparent plastic material. The left and right sides of the lens 10 are pivotal portions 11 , and the pivoting portion 11 defines a length of the through lens 10 . The groove 12 and the outer surface of the lower portion of the pivot portion 11 form at least one positioning protrusion 13 at the periphery of the long groove 12. In the preferred embodiment, the positioning protrusion 13 is a semi-spherical convex piece.

As shown in FIG. 1 , the two positioning side covers 20 are made of plastic or metal materials, and the two positioning side covers 20 are respectively combined with the positioning members 30 to form the pivoting portions 11 on the left and right sides of the lens 10 . The positioning side cover 20 is provided with a positioning hole 21 extending through the positioning side cover 20, and the positioning side cover 20 defines one side of the pivoting portion 11 of the abutting lens 10 as an inner side surface, and the other side is an outer side surface, and the positioning side The inner side of the cover 20 defines a recess 22 and a limiting rib 23 at the periphery of the recess 22. In the preferred embodiment, the positioning side cover 20 is a circular cover, and the limit retaining edge 23 is The annular flange formed on the outer circumference of the inner side surface of the circular positioning side cover 20, and the elastic deformation of the circumference of the side cover 20 can be slightly bent and deformed, so that the limiting retaining edge 23 can slide through the lens 10 The positioning protrusions 13 on the portion 11 allow the two positioning side covers 20 to perform a limiting function on the pivoting portions 11 on both sides of the lens 10.

As shown in FIG. 1 , the two positioning members 30 can be screws or rivets or other equivalent components. The two positioning members 30 are respectively disposed on the positioning holes 21 of the two positioning side covers 20 and the left and right sides of the lens 10 . Side pivoting portion 11 The long groove 12 is fixed to the left and right sides of the helmet cap 50 by the positioning member 30, so that the limiting edge 23 of the inner side surface of the positioning side cover 20 abuts against the outer surface of the pivot portion 11 of the lens 10.

The first preferred embodiment of the helmet lens assembly shown in FIG. 1 is assembled when the helmet cap 50 is used. As shown in FIG. 2, the lens 10 is disposed on the cap 50, and the left and right sides of the lens 10 are The pivoting portion 11 is located on the left and right sides of the cap body 50, and is fixed on the shell wall of the cap body 50 by the positioning member 30 passing through the positioning hole 21 of the positioning side cover 20 and the long slot 12 of the pivot portion 11 of the lens 10. By the combination of the positioning member 30 and the long slot 12, the lens 10 can be rotated about the left and right pivoting portions 11 with respect to the positioning member 30 in a limited range upward and downward, so that when the lens 10 is rotated downward to When the front side of the cap 50 is used, the user's eyes and face wearing the helmet are provided with a protective function.

As shown in FIG. 3, when the user applies the force to rotate the lens 10 up to the top of the cap body 50, the peripheral edge of the positioning side cover 20 is slightly deformed by the positioning protrusion 13 of the contact lens 10, thereby causing a slight bending deformation. The limiting flange 23 slides over the positioning protrusion 13 on the pivoting portion 11 of the lens 10, so that the positioning protrusion 13 of the lens 10 enters the concave portion 22 inside the positioning side cover 20, and is returned by the limiting retaining edge 23. The outer surface of the pivoting portion 11 of the lens 10 has a function of blocking the positioning of the positioning protrusions 13 on the lens 10, so that the lens 10 can be positioned on the top of the cap 50, and the lens 10 is not automatically caused by vibration or the like. Sliding down.

As shown in FIG. 4, another preferred embodiment of the present invention is disclosed. The safety lens assembly is constructed in addition to the lens 10, the positioning side cover 20 and the second positioning member 30. Also included is a brim member 40 that includes an arcuate securing strap 41 and a The visor 42 is formed on the bottom edge of the curved fixing belt 41, and is provided with the positioning member 30 of the long groove 12 of the pivoting portion 11 of the lens 10 through the positioning side cover 20 and the left and right sides of the curved fixing belt 41. The part. In the preferred embodiment, the top edge of the lens 10 can further form a positioning flange 14 protruding toward the cap 42 for positioning the flange 14 of the lens 10 when the lens 10 is rotated downward. Positioned against the leading edge of the brim 42.

The second preferred embodiment of the helmet lens assembly shown in FIG. 4 is assembled when the helmet cap 50 is used, as shown in FIG. 5, and is fixed to the helmet by the arc fixing strap 41 of the cap member 40. The cap body 50 is rotated by a combination of the positioning member 30 and the long groove 12, so that the lens 10 is rotated by a limited range of the left and right pivotal portions 11 with respect to the positioning member 30 upward and downward. When the lens 10 is rotated downward to the front side of the cap 50, the user's eyes and face wearing the helmet are provided with a protective function.

As shown in FIG. 6, when the user applies the force to rotate the lens 10 up to the top of the cap body 50, the same is caused by the slight deformation of the periphery of the positioning side cover 20 due to the positioning of the contact lens 13 of the contact lens 10. The positioning flange 23 is slid over the positioning protrusion 13 on the pivoting portion 11 of the lens 10, and the positioning protrusion 13 of the lens 10 enters the concave portion 22 inside the positioning side cover 20, and is returned by the limiting retaining edge 23. The outer surface of the pivoting portion 11 of the lens 10 has a function of blocking the positioning of the positioning protrusions 13 on the lens 10, so that the lens 10 can be positioned on the top of the cap 50, and the lens 10 is not automatically caused by vibration or the like. Sliding down.

10‧‧‧ lenses

11‧‧‧ pivotal department

12‧‧‧Long slot

13‧‧‧ Positioning convex

20‧‧‧ Positioning side cover

22‧‧‧ recess

23‧‧‧Limited retaining edge

30‧‧‧ Positioning parts

50‧‧‧Cap

Claims (5)

A safety helmet lens assembly comprises: a transparent curved lens, wherein the left and right sides are pivotal portions, and a long groove is formed in the pivoting portion, and the outer surface of the lower portion of the pivoting portion is outside the long groove 12 Forming at least one positioning protrusion; two positioning side covers are respectively disposed on the outer surfaces of the pivoting portions on the left and right sides of the lens, the positioning side cover is provided with a positioning hole, and the positioning side cover is facing the lens pivoting portion The inner side surface defines a concave portion and at least one limiting retaining edge located at the periphery of the concave portion, and the limiting retaining edge of the inner side of the positioning side cover abuts against the outer surface of the lens pivoting portion, and the positioning convex of the lens can slide into the concave portion. And the two positioning members are respectively disposed in the long slots of the positioning holes of the two positioning side covers and the pivoting portions corresponding to the lenses, for being assembled on the helmet cap . The safety helmet lens assembly of claim 1, wherein the positioning convex is a semi-spherical convex shape; the positioning side cover is circular, and the limiting retaining edge is formed on the circular positioning side. A toroidal flange on the outer periphery of the inner side of the cover. The helmet lens assembly of claim 1 or 2, wherein the positioning member is for attachment to the cap. The helmet lens assembly of claim 1 or 2, wherein the helmet lens assembly further comprises a cap member comprising a curved fixing strap and a curved front edge of the curved fixing strap The protruding caps are fixed on the left and right sides of the arc-shaped fixing straps respectively through the positioning side cover and the lens pivoting slot, and the fixing straps are assembled on the cap of the helmet. The helmet lens assembly of claim 4, wherein the top edge of the lens forms a locating rib that projects toward the visor.