TWM547862U - Assembly structure of helmet visor - Google Patents

Description

Hard hat lens assembly structure

The present invention relates to a safety helmet lens assembly structure, which mainly refers to a structure with double lenses and better assembly texture, overall strength and convenient handling.

The safety helmet is the main safety equipment of the locomotive. The safety helmet mainly has a casing. The front of the casing has a transparent portion, and a transparent front lens is disposed on the corresponding transparent portion. The two sides of the casing are respectively provided with a pivoting portion. The two sides of the front lens are pivotally connected, and the front lens can be pivotally covered or not covered.

The aforementioned front lens generally only has a covering function, and cannot be used as a sunglass, so that the user must wear the sunglass before wearing the helmet in the sun, and the wearing is inconvenient, and must be removed when the external sunlight is weakened. The helmet can take out the sunglasses that are worn on the head, and it is inconvenient to remove the sunglasses.

In order to improve the foregoing situation, an inner lens structure having a function of sunglasses is disposed in the helmet body, and the housing is provided with an opening assembly control device on two sides, and the control device has a button to control the inner lens to expand or collapse. Therefore, it is convenient to wear sunglasses without removing the helmet.

However, the foregoing structure must additionally provide an opening on the casing, which has poor combination integrity and reduces the lack of strength of the casing.

The purpose of this creation is to provide a structure with dual lenses and better assembly quality, overall strength and ease of handling.

The present invention includes a housing, a front lens, at least one positioning seat, at least one rotating seat, an inner lens, and at least one screw cover. The front side of the housing has a hollow portion, and the joint portion is respectively disposed on the two sides, the at least a first shaft hole is disposed in the center of the joint portion, and a first joint hole is disposed in the center of the first shaft hole; the front lens is pivoted in front of the casing and can cover or not cover the through hole portion; The seat is disposed at the joint portion of the casing, and has a second shaft hole corresponding to the first shaft hole at the center, the outer circumference of the second shaft hole has an outer ring wall, and the center of the second shaft hole is provided with a shaft column, and the center of the shaft column corresponds to the first a second engaging hole is disposed at a position of the engaging hole; the rotating seat is pivotally disposed on the positioning seat and is rotatable corresponding to the positioning seat, and the rotating base has a third shaft hole which can be sleeved on the positioning post shaft column, and the inner side can be embedded The first and second shaft holes are connected to the inner side of the housing; the inner lens is disposed in the housing, and the two ends are provided with an engaging plate that can be engaged with the engaging piece of the rotating base; and the rotating cover is disposed outside the rotating base, and The center is provided with a perforation and can be connected to the first engaging hole of the housing by a bolt insertion hole. , And the cap may be rotated within the lens holder rotating and deployed, collapsed operation.

Further, the front lens is respectively provided with a first pivoting portion on two sides, the first pivoting portion has a pivot hole, and a plurality of positioning teeth and an engaging body are disposed on the inner edge of the pivot hole; and the positioning seat is outside the outer ring wall The edge is arranged to be embedded in the elastic arm of the front lens positioning tooth, and the outer ring wall is provided with a concave portion which can be embedded in the front lens engaging body, and a connecting groove can be arranged at the periphery of the outer ring wall to prevent the engaging body from coming off the guiding seat. .

Further, the inner side of the engaging piece of the rotating base is provided with a hook piece, and a button body is protruded on the surface of the engaging piece; and the engaging plate of the inner lens piece is inserted into the clip piece of the engaging piece, and is disposed on the clip piece and the buckle body In combination with the buckle groove, a convex portion is disposed on the outer side of the rotary seat, and the screw cover is provided on the inner side to engage the engagement groove of the rotary seat convex portion.

Before the creation, the lens and the inner lens are coaxially combined, and the housing does not need to be separately provided with a device for controlling the inner lens, which has better overall texture and shell strength, and the front lens and the inner lens can respectively interfere with each other. In addition, the creation of the cap rotation can drive the rotating seat action and can drive the inner lens to fold and unfold, which can be stable and convenient.

Please refer to Figure 1 to Figure 7, where each figure shows one side of the helmet and the other side corresponds. The creation includes a housing 1, a front lens 2, two positioning seats 3, two rotating seats 4, and an inner lens. 5, the second cover 6, the front of the housing 1 has a hollow portion 11, and two sides are respectively provided with a joint portion 12, the joint portion 12 has a first shaft hole 13 in the center, the first shaft hole 13 is provided with a center The first connecting piece 14 is disposed with a first engaging hole 15 at the center of the first connecting hole 13 and a first positioning post 16 outside the first connecting piece 14 and corresponding to the first axial hole. Two first positioning holes 17 are provided at the periphery of the 13th.

The front lens 2 is disposed in front of the housing 1 and can cover or not cover the transparent portion 11. The front lens 2 is respectively provided with a first pivoting portion 21 on both sides, and the first pivoting portion 21 has a pivot hole 22, and a plurality of positioning teeth 23 and an engaging body 24 are disposed on the inner edge of the pivot hole 22.

The positioning seat 3 is disposed at the joint portion 12 of the casing 1 and has a second shaft hole 31 corresponding to the first shaft hole 13 at the center. The second shaft hole 31 has an outer ring wall 32 at the periphery thereof and a central portion of the second shaft hole 31. a second connecting piece 33, the second connecting piece 33 is disposed at a center of the second shaft hole 31, and a second connecting hole 35 is disposed at a position corresponding to the first engaging hole 15 at the center; and a corresponding shell is disposed inside the positioning seat 3 The first positioning hole 17 of the body 1 is disposed at a position of the second positioning post 36, and is disposed at a position corresponding to the first positioning post 16 of the housing 1 of the second connecting piece 33; and is disposed at an outer edge of the outer ring wall 32. The elastic arm 321 of the positioning lens 23 is embedded in the front lens 2, and the concave portion 322 of the front lens 2 engaging body 24 is disposed on the outer ring wall 32, and the connectable recess 322 is disposed at the periphery of the outer ring wall 32 to prevent the engaging body. 24, the guiding groove 323 of the positioning seat 3 is disposed; and the positioning groove 324 is further disposed at the inner edge of the outer ring wall 32.

The rotating base 4 is pivotally disposed on the positioning base 3 and is rotatable corresponding to the positioning base 3. The rotating base 4 has a third shaft hole 41 which can be sleeved on the shaft post 34 of the positioning base 3, and the inner side can be embedded in the first and second sides. The shaft hole 13 and 31 are connected to the engaging piece 42 on the inner side of the casing 1. The inner side of the engaging piece 42 is provided with a hook piece 43, and the button body 44 is protruded on the surface of the engaging piece 42, and the rotating seat 4 is disposed on the inner lens 5. The positioning body 45 that is inserted into the second shaft hole 31 and engaged with the positioning groove 324 is provided, and the convex portion 46 is further disposed outside the rotating base 4.

The inner lens 5 is disposed in the housing 1 at two ends, and is provided with an engaging plate 51 engageable with the rotating base 4. The engaging plate 51 has a clip 52 for inserting and engaging the engaging piece 42, and is disposed on the clip 52 and the button body 44. The engaging groove 521 is fastened, and the inner lens 5 can be clamped by the clip 52 to the engaging piece 42 of the rotating base 4, and the two sides of the engaging plate 51 can respectively abut against the inner wall of the casing 1 and the hook piece 43.

The screw cap 6 is disposed outside the rotating base 4, and is provided on the inner side with an engaging groove 61 for engaging the convex portion 46 of the rotating base 4, and a through hole 62 is disposed at the center, and the first engaging hole of the housing 1 can be inserted through the through hole 62 by the bolt 63. 15 is engaged, and the screw cap 6 can drive the rotating base 4 to rotate.

Before the creation, the lens 2 and the inner lens 5 are coaxially combined. The housing 1 does not need to be separately provided with a device for assembling and controlling the inner lens 5. The overall lens can be better, and the front lens 2 and the inner lens 5 can be respectively operated. The positioning body 45 can be engaged with the positioning groove 324 when the inner lens 5 is folded upward.

Referring to FIG. 1 and FIG. 8 , the pivot hole 22 of the front lens 2 can be pivoted and unfolded corresponding to the positioning seat 3, and the positioning tooth 23 and the elastic arm 321 can be positioned against the positioning angle, and the engaging body 24 can be actuated in the guide groove 323 so that the front lens 2 does not come off the positioning seat 3.

Please refer to Fig. 9 and Fig. 10. The creation can make the screw cap 6 rotate to drive the rotating seat 4 when the sunlight is strong, and can drive the inner lens 5 to expand, and when the external light is dark, the screw cap 6 can be reversely rotated. As shown in Figure 5, the inner lens 5 is displaced upwardly and folded, which is convenient for operation.

Therefore, according to the above, the creation can have better assembly integrity, shell strength and convenient operation. The present invention can be provided with only one positioning seat, one rotating seat and one screw cover, and the outer and inner lenses are oppositely positioned. The other end can be directly connected to the housing and can still have the function of the present invention. The foregoing embodiments are illustrative of the present invention and are not intended to be limited by the present invention. Any equivalent changes according to the spirit of the present invention should also fall within the scope of the present invention.

1‧‧‧shell
11‧‧‧The Department
12‧‧‧ joints
13‧‧‧First shaft hole
14‧‧‧ First link
15‧‧‧First joint hole
16‧‧‧First positioning column
17‧‧‧First positioning hole
2‧‧‧ front lens
21‧‧‧First pivoting piece
22‧‧‧ pivot hole
23‧‧‧ positioning teeth
24‧‧‧Inlay
3‧‧‧ Positioning Block
31‧‧‧Second shaft hole
32‧‧‧ outer ring wall
321‧‧‧Flexible arm
322‧‧‧ recess
323‧‧ ‧ guide slot
324‧‧‧ positioning slot
33‧‧‧Second piece
34‧‧‧ shaft column
35‧‧‧Second joint hole
36‧‧‧Second positioning post
37‧‧‧Second positioning hole
4‧‧‧ rotating seat
41‧‧‧ Third Axial Hole
42‧‧‧Joint piece
43‧‧‧hook
44‧‧‧ Button body
45‧‧‧Positioning body 46 convex
5‧‧‧ inner lens
51‧‧‧ joint plate
52‧‧‧ Clips
521‧‧‧ buckle groove
6‧‧‧Capping
61‧‧‧ Engagement slot
62‧‧‧Perforation
63‧‧‧ bolt

Figure 1 is a partial exploded view of the creation.

Figure 2 is a partial exploded view of another aspect of the creation.

Figure 3 is a combination of the creations.

Figure 4 is a cross-sectional view of A-A corresponding to Figure 3 of this creation.

Figure 5 is a cross-sectional view of B-B corresponding to Figure 4 of this creation.

Figure 6 is a side view of the creation, showing a front lens covering the hollow portion and the inner lens folding schematic.

Figure 7 is a schematic diagram of the positioning seat and the rotating seat when the lens covers the transparent portion and the inner lens is folded before the creation.

Figure VIII is a schematic diagram of the lens that does not cover the permeable portion before the creation.

Figure IX is a schematic diagram showing the lens covering the transparent portion and the inner lens before the creation.

Figure 10 is a schematic diagram showing the lens covering the transparent portion and the inner lens before the creation.

1‧‧‧shell

12‧‧‧ joints

13‧‧‧First shaft hole

14‧‧‧ First link

15‧‧‧First joint hole

16‧‧‧First positioning column

17‧‧‧First positioning hole

2‧‧‧ front lens

21‧‧‧First pivoting piece

22‧‧‧ pivot hole

23‧‧‧ positioning teeth

24‧‧‧Inlay

3‧‧‧ Positioning Block

31‧‧‧Second shaft hole

32‧‧‧ outer ring wall

321‧‧‧Flexible arm

322‧‧‧ recess

323‧‧ ‧ guide slot

324‧‧‧ positioning slot

33‧‧‧Second piece

34‧‧‧ shaft column

35‧‧‧Second joint hole

37‧‧‧Second positioning hole

4‧‧‧ rotating seat

41‧‧‧ Third Axial Hole

42‧‧‧Joint piece

43‧‧‧hook

44‧‧‧ Button body

45‧‧‧ Positioning body

46‧‧‧ convex

5‧‧‧ inner lens

51‧‧‧ joint plate

52‧‧‧ Clips

521‧‧‧ buckle groove

6‧‧‧Capping

62‧‧‧Perforation

63‧‧‧ bolt

Claims (7)

A safety helmet lens assembly structure includes: a housing having a permeable portion at the front portion and a joint portion on each of the two sides, the at least one joint portion having a first shaft hole in the center, and a first shaft hole is disposed in the center a front lens, pivoted in front of the housing, and covering or not covering the transparent portion; at least one positioning seat disposed at the joint portion of the housing, the center having a corresponding first axial hole a second shaft hole, the second shaft hole has an outer ring wall at a periphery thereof, and a second shaft hole is disposed at a center of the second shaft hole, and a second joint hole is disposed at a center of the shaft column corresponding to the first joint hole position; at least one rotating seat is pivoted at the positioning The seat can be rotated corresponding to the positioning seat, the rotating base can be sleeved on the third shaft hole of the positioning seat shaft column, and the inner side is provided with a joint piece which can be embedded in the first and second shaft holes to the inner side of the housing; Provided in the housing, the two ends are provided with an engagement plate engageable with the engagement piece of the rotary seat; at least one screw cover is disposed on the outer side of the rotary base, and is provided with a through hole at the center, and can be inserted into the first engagement hole of the through hole by the bolt Engage and enable the screw cap to rotate the swivel seat and Lens expand collapse action. The helmet lens assembly structure of claim 1, wherein the two positioning seats, the two rotating seats and the two rotating covers are respectively disposed at the two side joint portions of the housing. The safety cap lens assembly of claim 1 or 2, wherein the housing is provided with a first connecting piece in the center of the first shaft hole, the first engaging hole is disposed on the first connecting piece and the first connecting piece a first positioning post is disposed on the outer side, and a first positioning hole is disposed on a periphery of the corresponding first shaft hole; and a second positioning post is disposed on the inner side of the positioning seat corresponding to the first positioning hole of the housing, and corresponds to the second connecting piece A positioning hole is disposed at a position of the positioning post. The helmet lens assembly structure of claim 1 or 2, wherein the front lens is respectively provided with a first pivoting portion on two sides, the first pivoting portion has a pivot hole, and a plurality of positioning teeth are disposed on the inner edge of the pivot hole And the engaging body; the positioning seat is disposed on the outer edge of the outer ring wall to be disposed in the elastic arm of the front lens positioning tooth, and the outer ring wall is provided with a recess that can be embedded in the front lens engaging body, and is disposed on the outer periphery of the outer ring wall The recess is connected and the engagement body can be prevented from coming off the guide groove of the positioning seat. The hard hat lens assembly according to claim 1 or 2, wherein the inner side of the engaging piece of the rotating seat is provided with a hook piece, and the button body is protruded from the surface of the engaging piece; and the engaging plate of the inner lens is insertably engaged The clip of the piece, and the buckle piece of the clip body is fastened to the clip body. The safety cap lens assembly structure of claim 1 or 2, wherein the positioning seat is provided with a positioning groove at an inner edge of the outer ring wall; and the rotating seat is disposed to be embedded in the second shaft hole and the positioning groove when the inner lens is folded Engaged positioning body. The hard hat lens assembly structure according to claim 1 or 2, wherein the outer side of the rotary seat is provided with a convex portion, and the inner surface of the rotary cover is provided with an engaging groove for engaging the convex portion of the rotary seat.