CN115191710A

CN115191710A - Lens pivot structure of cap body

Info

Publication number: CN115191710A
Application number: CN202110988138.7A
Authority: CN
Inventors: 卢建宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-13
Filing date: 2021-08-26
Publication date: 2022-10-18
Also published as: DE102021121600A1; TWI740798B; GB202112307D0; TW202239347A; GB2605851A; GB2605851B; JP7254129B2; JP2022162950A

Abstract

The invention relates to a lens pivot group structure of a cap body, which is mainly characterized in that two sides of the cap body are respectively provided with an embedding groove, the embedding groove can be correspondingly embedded with a pivot seat, the pivot seat is correspondingly provided with a first connecting rod and a second connecting rod of the pivot group, the other ends of the two connecting rods are pivoted with a lens, the inner side of the first connecting rod is provided with a path groove, the pivot seat is provided with an elastic clamping piece corresponding to the path groove, and the elastic clamping piece is correspondingly embedded into the path groove and movably displaced along with the design of the path groove; therefore, the lens can be more reliably opened and closed and has the function of sectional action.

Description

Lens pivot structure of cap body

Technical Field

The present invention relates to a lens pivot structure of a cap, and more particularly to a lens pivot structure for various cap products requiring lenses, which is invented by moving the lenses along a track path to enable the lifting and closing actions of the lenses.

Background

The hat has various forms, such as a safety helmet, an engineering helmet … and the like, which are used for protecting the head; in order to protect the eyes and face of a user, protective lenses are positioned and assembled at two sides of a helmet body for engineering, so that the helmet for engineering used in industries such as industry, building and the like can safely cover the head, the eyes and the face of the user. The front side of the safety helmet body for the vehicle is also provided with a lens component which can be screwed up and down, so as to provide the protection function for the eyes and the face of the wearer and prevent the face from being blown by wind and rain.

However, although the above lens assembly structure of the safety helmet has the function of moving up and down, when the lens moves up to the top of the helmet body, because the conventional lens and helmet body both pass through a single pivot point, the lens is lifted, and the lens is lifted in a manner that the pivot point is a circular point and the length distance of the end edge of the lens is a radius, so that the lens protrudes out of the top of the helmet body excessively, and the resistance of the lens caused by wind is too large during the driving of the motorcycle, thereby causing a problem of insufficient safety.

Disclosure of Invention

The present invention provides a lens pivot structure of a cap, and more particularly, to a lens pivot structure for various cap products requiring lenses to be installed, which enables the lifting and closing of the lens to be more reliable by moving the lens along a track.

The main purpose and effect of the lens pivot structure of the cap body of the invention are achieved by the following specific technical means:

the two sides of the cap body are respectively provided with an embedding groove, the embedding groove can be correspondingly embedded with a pivoting seat, the pivoting seat is correspondingly pivoted with a first connecting rod and a second connecting rod, the other ends of the two connecting rods are pivoted with the lens, the inner side of the first connecting rod is provided with a path groove, the pivoting seat is provided with an elastic clamping piece corresponding to the path groove, and the elastic clamping piece is correspondingly embedded into the path groove and movably displaced along with the design of the path groove; therefore, the lens has more reliable lifting and closing actions and has the function of sectional action, so that the whole lens has more practical efficacy characteristics in application and use.

In a preferred embodiment of the lens pivot structure of the cap of the present invention, the path groove comprises a first track, a second track adjacent to the first track, and a guide wall between the first track and the second track.

In a preferred embodiment of the lens pivot structure of the cap of the present invention, one end of the first track and one end of the second track are overlapped with each other, and the second track is lower than the first track, and one end of the guide wall extends into the first track, so that the first track forms an arc turning section, and a concave arc groove is formed at the end of the guide wall corresponding to the arc turning section, and an inclined section extends from the end of the arc turning section to join the second track.

In a preferred embodiment of the lens pivot structure of the cap body of the present invention, a retaining wall is further disposed at an outer side of the first rail, the retaining wall extends to an outer side where the first rail is connected to the second rail, and a retaining protrusion recessed into the first rail is disposed at a position of the retaining wall corresponding to the concave arc groove, and the retaining protrusion is used for pushing the latch member into the concave arc groove.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. Those skilled in the art, having the benefit of the teachings of this invention, may choose from the various possible shapes and proportional sizes to implement the invention as a matter of case.

FIG. 1 is an overall exploded perspective view of the present invention;

FIG. 2 is a perspective view of the first link according to the present invention;

FIG. 3 is a schematic plan view of a first link according to the present invention;

FIG. 4 is a schematic view of the assembled appearance of the present invention;

FIG. 5 is a schematic view of the outer appearance of the lens cover of the present invention;

FIG. 6 is a schematic diagram of the action of the connecting rod for covering the lens of the present invention;

FIG. 7 is a schematic view of the half-lifted state of the lens according to the present invention;

FIG. 8 is a schematic diagram of the operation of the connecting rod in the half-lifted state of the lens according to the present invention;

FIG. 9 is an appearance view of the lens of the present invention in a lifted state;

FIG. 10 is a schematic diagram of the link in the opened state of the lens according to the present invention;

FIG. 11 is a diagram: the lens cover in another embodiment of the invention is a schematic side view.

Description of the reference numerals:

1: a cap body 11: caulking groove

2: pivot seat 21: pivoting part

22: the spring clip piece 23: embedded part

3: first link 31: first embedded block

4: second link 41: second embedded block

5: lens 51: pivot hole

6: path slot 61: first rail

611: arc turning section 612: inclined section

62: second rail 63: guide wall

631: concave arc groove 64: retaining wall

641: the retaining protrusion 642: convex shifting block

Detailed Description

The details of the present invention can be more clearly understood in conjunction with the accompanying drawings and the description of the embodiments of the present invention. However, the specific embodiments of the present invention described herein are for the purpose of illustration only and are not to be construed as limiting the invention in any way. Any possible variations based on the present invention may be conceived by the skilled person in the light of the teachings of the present invention, and these should be considered as falling within the scope of the present invention.

Firstly, referring to fig. 1 to 4, the lens pivot structure of the cap body of the present invention is shown in three-dimensional exploded, appearance and plane schematic views, and at least one caulking groove 11 is respectively disposed on two sides of the cap body 1, the caulking groove 11 is movably inserted into a pivot seat 2, two pivot portions 21 are disposed on the pivot seat 2 and respectively correspond to the first connecting rod 3 and the second connecting rod 4 of the pivot set, and a first inserting block 31 and a second inserting block 41 are disposed on one end of the first connecting rod 3 and one end of the second connecting rod 4 respectively, the first inserting block 31 and the second inserting block 41 are correspondingly inserted into a lens 5, a path groove 6 is disposed on the inner periphery of the first connecting rod 3 corresponding to the pivot portion 21, and an elastic block 22 moving in the path groove 6 is disposed on the pivot seat 2, and the path groove 6 includes a first rail 61, a second rail 62 disposed adjacent to the first rail 61, and a guide wall 63 disposed between the first rail 61 and the second rail 62, wherein:

the first rail 61 and the second rail 62 are overlapped with each other, and the second rail 62 is lower than the first rail 61, and one end of the guiding wall 63 extends into the first rail 61, so that the first rail 61 forms an arc turning section 611, a concave arc groove 631 is formed at the end of the guiding wall 63 corresponding to the arc turning section 611, an inclined section 612 is extended from the end of the arc turning section 611 to connect with the second rail 62, a retaining wall 64 is arranged at the outer side of the first rail 61, the retaining wall 64 extends to the outer side of the first rail 61 connected with the second rail 62, a retaining convex part 641 concavely arranged toward the first rail 61 is arranged at the position of the retaining wall 64 corresponding to the concave arc groove 631, and the retaining convex part 641 is used for pushing the spring fastener 22 into the concave arc groove 631.

Referring to fig. 1 to 10, the present invention is mainly applied to engineering helmets, safety helmets or other hat products requiring lenses; when in assembly, the first connecting rod 3 and the second connecting rod 4 are pivotally fixed with the pivoting seat 2, so that the spring clamping piece 22 is embedded into the path groove 6 on the inner side of the first connecting rod 3 and can movably move in the groove; then, the pivot joint base 2 is provided with an embedding piece 23 which can be embedded into the embedding groove 11 of the cap body 1, the pivot joint base 2 can be movably embedded into the embedding groove 11 of the cap body 1 through a simple embedding and clamping action, and then the first embedding and clamping block 31 of the first connecting rod 3 and the second embedding and clamping block 41 of the second connecting rod 4 are correspondingly clamped with the pivot hole 51 of the lens 5 (as shown in fig. 1); in contrast, when the components are damaged or old, the components can be replaced by new ones through the detachable design without discarding the whole top cap body.

Next, referring to fig. 5 to 8, when the cap 1 is worn by a user, the lens 5 is covered in the front, at this time, the latch 22 is located at the foremost end of the first track 61 of the path slot 6, when the lens 5 is lifted up, the lens drives the first link 3 and the second link 4 to rotate, the latch 22 moves along the path of the first track 61, further, a plurality of protruding blocks 642 are arranged on the outer side wall 64 of the first track 61 corresponding to the latch 22, when the latch 22 moves to the protruding blocks 642, the latch 22 is limited properly, that is, the opening angle of the lens is limited (as shown in fig. 6 and 8), so that the action of opening the lens 5 has the function of selecting the angle; of course, the latch member 22 can also pass through the protruding block 642 without limitation, i.e. a click sound is generated.

Referring to fig. 7 to 10, the lens 5 is lifted backwards, the lens 5 links the first link 3 and the second link 4 to rotate, while the first link 3 rotates, the elastic clip 22 moves along the first track 61 against the guiding wall 63 and enters the arc turning section 611 of the first track 61, where the lens 5 is lifted over the cap edge, and when the elastic clip 22 passes the arc turning section 611 to the end, the elastic clip 22 can pass the limit and guide of the resisting convex part 641 of the retaining wall 64 (without sliding down the inclined section and falling down the second track 62), so that the elastic clip 22 is guided into the concave arc groove 631, and the lens 5 is lifted and positioned at the top end (as shown in fig. 9 and 10).

When the user wants to close the lens 5 again, the user needs to slightly displace the lens 5 backwards, that is, the first link 3 and the second link 4 slightly move backwards (as shown by arrows in fig. 10), which is the same as unlocking, so that the latch 22 can be disengaged from the concave arc groove 631 during slight displacement by virtue of the elastic margin provided by the peripheral space of the latch 22, fall into the second rail 62 by the inclined section 612, start to close the lens 5, move on the second rail 62 during the closing action process, move to the overlapping position of the second rail 62 and the first rail 61, guide the latch 22 to the front end position of the first rail 61, and reset to the closing state.

In addition, it is worth mentioning that the two sides of the cap body are respectively and correspondingly pivoted with a first connecting rod and a second connecting rod through the pivoting seat, the angle of the lens 5 relative to the cap body can be smoothly adjusted through the linkage relation of the two connecting rods, and the angle can be changed along the shape of the cap body in the lifting process of the lens 5, so that the lens 5 is closely adjacent to the cap body; further, the first connecting rod and the second connecting rod may be two curved connecting rods or one curved connecting rod and one straight connecting rod (the two connecting rods may be arbitrarily matched with one curve as shown in fig. 11), so that a space margin with an adjustable angle is reserved between the two connecting rods to achieve the above-mentioned effects.

With the above description, it can be seen that the present invention has the following advantages compared with the prior art:

1. the lens pivot group structure of the cap body can be correspondingly assembled with the cap body and the lens through the pivot seat by simple embedding and clamping actions; in contrast, when the components are damaged or old, the components can be replaced by new components through a detachable design without discarding the whole top cap body, thereby achieving the excellent effects of convenient assembly, practicability and money saving.

2. The lens pivot structure of the cap body can change the angle along the shape of the cap body in the lens lifting process by adopting the design of two bent connecting rods or one bent connecting rod and one straight connecting rod through the first connecting rod and the second connecting rod, so that the lens is closely adjacent to the cap body, and the problem and the defect that the lens of the known cap body bears the wind resistance are effectively improved.

3. The lens pivot structure of the cap body of the invention can lead the opening and the closing of the lens to move along the track path through the elastic clamping piece by the arrangement of the path groove on the connecting rod, thus leading the opening and the closing actions to be positioned and more reliable.

4. The lens pivot structure of the cap body of the invention can lead the spring clamping piece to be properly limited by the arrangement of the convex shifting block, namely, the lifting angle of the lens is limited, thus leading the action of lifting the lens to have the function of multi-section angle selection.

The present invention is not limited to the above embodiments, and in particular, various features described in different embodiments can be arbitrarily combined with each other to form other embodiments, and the features are understood to be applicable to any embodiment except the explicitly opposite descriptions, and are not limited to the described embodiments.

Claims

1. A lens pivot structure of a cap body, the lens pivot structure of the cap body comprising:

at least one caulking groove is respectively arranged at two sides of the cap body, the caulking groove can be movably assembled into a pivot joint seat, two pivot joint parts are respectively arranged on the pivot joint seat and correspond to a first connecting rod and a second connecting rod of the pivot joint group, a first clamping block and a second clamping block are respectively arranged at one end of the first connecting rod and one end of the second connecting rod, the first clamping block and the second clamping block are correspondingly embedded into a pivot joint group of a lens, a path groove is arranged at the inner side periphery of the pivot joint part of the first connecting rod and the pivot joint part, an elastic clamping part moving in the path groove is arranged on the pivot joint seat, the path groove comprises a first track, a second track adjacent to the first track and a guide wall positioned between the first track and the second track,

the first track the mutual splice of second track one end, and make the second track is less than first track, and guide wall one end extends to in the first track, make first track forms an circular arc turn section, in the guide wall corresponds circular arc turn section end department forms a concave arc groove, by circular arc turn section end extends a slope section and links up the second track the first track outside is equipped with a barricade, the barricade extends to first track links up the outside department of second track, and the barricade corresponds concave arc groove department is equipped with one and past the concave convex part of establishing in the first track, the convex part of blocking is used for supporting and pushes bullet fastener extremely in the concave arc groove.

2. The lens pivot structure of the cap body of claim 1, wherein the pivot seat is provided with an embedded member corresponding to the embedded groove of the cap body.

3. The lens pivot structure of the cap of claim 1 or 2, wherein a plurality of protruding blocks are disposed on the outer wall of the first track corresponding to the ejecting member, and the protruding blocks are used to limit the position of the ejecting member in the first track for rotational displacement.

4. The lens pivot structure of the cap of claim 1 or 2, wherein the first link and the second link can be two curved links or a curved link and a straight link, respectively.

5. The lens pivot structure of the cap of claim 3, wherein the first and second links can be configured as two curved links or as a curved link and a straight link, respectively.