CN217089759U - Fool-proof device applied to safety helmet - Google Patents

Abstract

The utility model provides a be applied to slow-witted device of preventing of safety helmet technical field, include: the front side of the shell is provided with three fixing holes; the fixing mechanism is arranged in the shell and stretches in the fixing hole; the right side of the FPC fool-proof cover plate extends outwards to form a fool-proof part, and the left side of the FPC fool-proof cover plate is rotatably connected with the side edge of the shell; the fool-proof part is positioned outside the shell; an FPC cable arranged inside the shell; the fixing mechanism includes: the two springs are arranged inside the shell, and one end of each spring is fixedly connected with the shell; one side of the fixing piece is provided with three convex blocks side by side, one side of the fixing piece is fixedly connected with the other end of the spring, and the other side of the fixing piece penetrates through the fixing hole through the convex blocks; when the spring is in a non-compressed state, the lug extends out of the fixing hole for a certain distance; when the spring is in a compressed state, the lug does not extend out of the fixing hole. The utility model has the advantages that: the fool-proof performance of the safety helmet is greatly improved.

Description

Fool-proof device applied to safety helmet

Technical Field

The utility model relates to a safety helmet technical field indicates a prevent slow-witted device of being applied to safety helmet very much.

Background

The safety helmet is a hat which has the function of protecting the head from being hurt by falling objects and other specific factors and consists of a helmet shell, a helmet liner, a chin strap, accessories and the like; the cap shell is hemispherical, firm, smooth and elastic, and the impact and puncture kinetic energy of the hit object are mainly borne by the cap shell.

With the development of the times and the progress of science and technology, the traditional safety helmet only having the function of protecting the head cannot meet the current requirements, so that the intelligent safety helmet integrating the functions of camera shooting and the like appears. The intelligent safety helmet is generally in a modular design, each module is specially used for achieving one of functions, such as a camera module, a power module, a control module and the like, the damaged module is convenient to update and replace, and the whole intelligent safety helmet does not need to be purchased again, so that the use cost is reduced.

However, each module of traditional intelligent safety helmet is fixed on the helmet shell through the spring button, presses the button and can take off the module that corresponds, does not set up corresponding fool-proof structure, because the use scene of intelligent safety helmet limits, the condition that the mistake touched appears often, leads to the module to drop suddenly and damage.

Therefore, how to provide a fool-proof device applied to a safety helmet to improve the fool-proof performance of the safety helmet becomes a technical problem to be solved urgently.

Disclosure of Invention

The to-be-solved technical problem of the utility model lies in providing a be applied to the fool-proof device of safety helmet, realize promoting the fool-proof performance of safety helmet.

The utility model discloses a realize like this: a fool-proofing device for use with headgear, comprising:

the front side of the shell is provided with three fixing holes;

the fixing mechanism is arranged in the shell and stretches in the fixing hole;

the right side of the FPC fool-proof cover plate extends outwards to form a fool-proof part, and the left side of the FPC fool-proof cover plate is rotatably connected with the side edge of the shell; the fool-proof part is positioned outside the shell;

the FPC flat cable is arranged inside the shell;

the fixing mechanism includes:

the two springs are arranged inside the shell, and one end of each spring is fixedly connected with the shell;

one side of the fixing piece is provided with three convex blocks side by side, one side of the fixing piece is fixedly connected with the other end of the spring, and the other side of the fixing piece penetrates through the fixing hole through the convex blocks;

when the spring is in a non-compressed state, the lug extends out of the fixing hole for a certain distance; when the spring is in a compressed state, the lug does not extend out of the fixing hole.

The utility model has the advantages that:

the side edge of the shell is provided with the FPC fool-proof cover plate, and the right side of the FPC fool-proof cover plate extends outwards to form a fool-proof part which is matched with the fool-proof bayonet of the cap shell; the fool-proof device can not be taken down when the fixing mechanism is pressed, the FPC fool-proof cover plate needs to be opened, the connection of the FPC flat cable is disconnected, the fixing mechanism is pressed again, the fool-proof device can be taken down, the fixing mechanism is prevented from being touched by mistake, and the fool-proof performance of the safety helmet is greatly improved.

Drawings

The invention will be further described with reference to the following examples with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of a fool-proof device applied to a safety helmet.

Fig. 2 is an exploded view of a fool-proof device applied to a safety helmet.

Fig. 3 is one of the structural schematic diagrams of the usage state of the present invention.

Fig. 4 is a second schematic structural view of the present invention in use.

Description of the labeling:

100-a fool-proof device for safety helmet, 1-shell, 2-fixing mechanism, 3-FPC fool-proof cover plate, 4-FPC winding displacement, 5-cap shell, 11-fixing hole, 21-spring, 22-fixing piece, 221-projection, 31-fool-proof part, 51-groove, 52-through hole, 53-fool-proof bayonet.

Detailed Description

The embodiment of the utility model provides a through providing a be applied to fool-proof device 100 of safety helmet, each module of having solved intelligent safety helmet among the prior art passes through spring button to be fixed on the cap shell, presses down the module that the button can take off and correspond, the technical problem of the condition that the mistake was touched appears often, has realized very big promotion the technological effect of the fool-proof performance of safety helmet.

The embodiment of the utility model provides an in technical scheme for solving above-mentioned problem, the general thinking is as follows: set up FPC and prevent slow-witted apron 3 at the side of casing 1, and FPC prevents that the right side of slow-witted apron 3 outwards extends one and prevents slow-witted portion 31, prevents that slow-witted portion 31 matches with the slow-witted bayonet 53 of preventing of cap shell 5 and carries out the screens, wants to take off and prevents slow-witted device 100 and will open FPC and prevent slow-witted apron 3 earlier, presses fixed establishment 2 again, avoids fixed establishment 2 to be touched by the mistake to promote the slow-witted performance of preventing of safety helmet.

For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.

Referring to fig. 1 to 4, a preferred embodiment of a fool-proof device 100 applied to a safety helmet of the present invention includes:

the front side of the shell 1 is provided with three fixing holes 11; the shell 1 is used for bearing the fool-proof device 100; the fixing hole 11 is used for passing through the fixing mechanism 2;

a fixing mechanism 2, which is arranged inside the shell 1 and extends and retracts in the fixing hole 11; the fixing mechanism 2 is matched with the through hole 52 of the cap shell 5 and is used for fixing the fool-proof device 100 on the cap shell 5;

a FPC fool-proof cover plate 3, the right side of which extends outwards to form a fool-proof part 31, and the left side of which is rotatably connected with the side edge of the shell 1; the fool-proof part 31 is positioned outside the shell 1; the FPC foolproof cover plate 3 is matched with the foolproof bayonet 53 of the cap shell 5, and when the FPC foolproof cover plate 3 is closed, the locking is carried out through the foolproof bayonet 53, so that the FPC foolproof cover plate is prevented from being touched and falling off by mistake;

an FPC (flexible printed circuit) flat cable 4 arranged inside the shell 1;

the fixing mechanism 2 includes:

the two springs 21 are arranged inside the shell 1, one end of each spring is fixedly connected with the shell 1, and the springs are used for providing elastic force for the extension and retraction of the fixing piece 22;

a fixing member 22, one side of which is provided with three lugs 221 side by side, one side of which is fixedly connected with the other end of the spring 21, and the other side of which passes through the fixing hole 11 through the lugs 221;

when the spring 21 is in a non-compressed state, the projection 221 extends out of the fixing hole 11 for a certain distance; when the spring 21 is in a compressed state, the projection 221 does not protrude out of the fixing hole 11.

The utility model discloses the theory of operation:

installation during the slow-witted device 100 of preventing staying, open FPC prevents staying apron 3, presses mounting 22 lets in prevent staying device 100 imbeds just in the recess 51 of cap shell 5, work as the through-hole 52 of fixed orifices 11 and recess 51 lower extreme corresponds when going up, mounting 22 is ejecting under spring 21's spring action, will prevent staying device 100 and fix on cap shell 5, connect FPC winding displacement 4 will close FPC prevents staying apron 3, through prevent staying 31 and cap shell 5 prevent staying bayonet 53 and carry out the screens, cover again FPC prevents staying apron 3.

When the fool-proof device 100 is disassembled, the FPC fool-proof cover plate 3 is firstly opened, the connection of the FPC flat cable 4 is disconnected, and then the fixing piece 22 is pressed to take out the fool-proof device 100.

To sum up, the utility model has the advantages that:

the side edge of the shell is provided with the FPC fool-proof cover plate, and the right side of the FPC fool-proof cover plate extends outwards to form a fool-proof part which is matched with the fool-proof bayonet of the cap shell; the fool-proof device can not be taken down when the fixing mechanism is pressed, the FPC fool-proof cover plate needs to be opened, the connection of the FPC flat cable is disconnected, the fixing mechanism is pressed again, the fool-proof device can be taken down, the fixing mechanism is prevented from being touched by mistake, and the fool-proof performance of the safety helmet is greatly improved.

Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.

Claims (1)

1. The utility model provides a be applied to fool-proof device of safety helmet which characterized in that: the method comprises the following steps:

the front side of the shell is provided with three fixing holes;

the fixing mechanism is arranged in the shell and stretches in the fixing hole;

the right side of the FPC fool-proof cover plate extends outwards to form a fool-proof part, and the left side of the FPC fool-proof cover plate is rotatably connected with the side edge of the shell; the fool-proof part is positioned outside the shell;

the FPC flat cable is arranged inside the shell;

the fixing mechanism includes:

the two springs are arranged inside the shell, and one end of each spring is fixedly connected with the shell;

one side of the fixing piece is provided with three convex blocks side by side, one side of the fixing piece is fixedly connected with the other end of the spring, and the other side of the fixing piece penetrates through the fixing hole through the convex blocks;

when the spring is in a non-compressed state, the lug extends out of the fixing hole for a certain distance; when the spring is in a compressed state, the lug does not extend out of the fixing hole.

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