WO2015009109A1

WO2015009109A1 - Power connector and safety cap using same

Info

Publication number: WO2015009109A1
Application number: PCT/KR2014/006559
Authority: WO
Inventors: 한용희; 김민수; 이재원
Original assignee: 주식회사 케이엠더블유
Priority date: 2013-07-18
Filing date: 2014-07-18
Publication date: 2015-01-22
Also published as: JP6161814B2; JP2016525271A; KR20150010208A

Abstract

The present invention relates to a power connector and a safety cap using the same, and comprises: a safety cap having a light provided on the front outer side; a coupling support unit coupled to the rear inner side of the safety cap; a socket unit provided on the inner side of the coupling support unit and electrically connected to the light; a guide unit coupled such that a socket of the socket unit is exposed, the guide unit guiding insertion of a plug; a plug unit comprising the plug, which is guided through the guide unit and inserted into the socket of the socket unit to supply power, and an escape prevention unit protruding to the outside from the rear end of the plug; and a plug holding unit positioned on the rear inner side of the safety cap and configured to widen when the escape prevention unit of the plug unit is inserted and to narrow after penetration, thereby preventing the plug unit from escaping. The present invention is advantageous in that power can be supplied from an external battery via the power connector and used for lighting, thereby preventing any increase in weight of the safety cap itself, and, by using a large-capacity battery, the lighting duration time can be extended.

Description

Power connector and hard hat using the same

The present invention relates to a power connector and a hard hat using the same. More particularly, the present invention relates to a hard hat capable of extending a lighting duration by connecting a power connector and a large capacity battery which are prevented from being separated.

In general, those who enter and exit industrial sites such as construction sites, shipyards and mines are legally required to wear a hard hat. In Japan, where earthquakes frequently occur, there is an appropriate amount of hard hats for schools and subway stations.

These helmets are equipped with lights to illuminate the front when wearing the helmet to ensure visibility in the dark in case of disaster such as fire or earthquake.

This is to ensure that in case of a disaster, the power supply inside the building or mine is cut off so that the evacuation route can be found and evacuated.

There is also a light on the helmet for workers working in the dark even during normal times. In this case, when the lighting is attached to the hard hat, a battery for powering the lighting is absolutely necessary.

As such a conventional technology for supplying power to the lighting is disclosed in the Utility Model No. 20-2013-0003414 of the applicant of the present invention (hat, published June 10, 2013), but not the lighting of the blower fan There is a patent 10-1228517 (hat, 25 January 2013 registration date) that the battery is accommodated in the hard hat for driving.

Conventional techniques as described above are used by mounting a battery in a hard hat, considering that the hard hat is worn on a person's head, it is easy to predict that various problems occur due to an increase in weight.

Workers wearing hard hats are inconvenient to work due to the increase in weight, and there may be a relative difficulty in evacuation in the event of a disaster. In consideration of this, when the weight of the battery is reduced, the duration of the lighting may be shortened, which may be expected to be ineffective.

To this end, when the battery is mounted in a different position from the helmet such as the waist, and the battery and the helmet are connected by wires, the wire may be inconvenient during work, and the wires connecting the battery and the helmet may be easily detached. You can expect problems.

Technical problem to be solved by the present invention in consideration of the above problems, anyone can easily connect the external power, even if the wire for supplying the power of the large capacity battery to the safety helmet from the outside or the user An object of the present invention is to provide a power connector that can prevent a wire from falling off.

In addition, the technical problem to be solved by the present invention is to provide a safety helmet using a power connector that can prevent the increase of the weight of the helmet while increasing the duration of the mounted lighting, and ensure the stability of the power supply.

The power connector of the present invention for solving the above problems is coupled to expose the socket portion, the socket of the socket portion, the guide portion for guiding the insertion of the plug, guided through the guide portion to the socket of the socket portion And a plug portion inserted into and supplying power, the plug portion including a release preventing portion protruding outward from the rear end of the plug, and the plug preventing portion when the release preventing portion is inserted into the plug portion. It includes a plug fixing to prevent the plug portion from coming off.

In addition, the helmet using the power connector of the present invention, the helmet is provided with a light on the front outside, the coupling support portion coupled to the inside of the rear of the helmet, the socket portion provided inside the coupling support and electrically connected to the illumination, and It is coupled so that the socket of the socket portion is exposed, the guide portion for guiding the insertion of the plug, and the plug is guided through the guide portion is inserted into the socket of the socket portion to supply power, from the rear end of the plug to the outside A plug portion including a protruding release preventing portion and a plug fixing portion which is positioned inside the rear surface of the helmet to be opened when the release preventing portion of the plug portion is inserted, and is pinched after being penetrated to prevent the plug portion from being separated. do.

The power connector of the present invention is coupled to each other and the socket portion and the plug portion that can supply the power of the battery, the guide portion coupled to the outside of the socket portion to guide the insertion of the plug portion, and to prevent the separation of the plug portion in the separation direction Including a plug fixing portion, the socket portion and the plug portion can be easily coupled to easily supply the power of the external battery, there is an effect to prevent the socket portion and the plug portion is easily separated.

In addition, the hard hat using the power connector of the present invention can be illuminated by receiving the power of the battery provided externally through the power connector, it is possible to prevent the weight of the hard hat itself, the large capacity of the battery can be used for lighting duration There is an effect that can be extended.

1 is an exploded view of a hard hat using a power connector according to an embodiment of the present invention.

2 is an exploded cross-sectional view of the power connector in FIG.

3 is a cross-sectional view of the socket in FIG. 1.

4 is a cross-sectional view of the guide unit in FIG. 1.

5 is a bottom perspective view of the cross-sectional state of the guide unit.

6 is a partial cross-sectional view of the plug portion.

FIG. 7 is a detailed configuration diagram of the plug fixing part in FIG. 1.

* Drawing code

100: hard hat 200: coupling support

300: socket 310: substrate

320: Socket 400: Guide part

410: body 411: connection hole

412: plug insertion hole 413: connection

414: stopper 420: first guide

430: Second guide 500: Plug portion

510: coil type wire 520: plug

530: departure prevention part 531: locking part

532: locking groove 540: body part

550: molding 600: battery

700: plug fixing 710: body

720: High Government 721: Incision Home

Hereinafter, the power connector according to the present invention and a hard hat using the power connector will be described in detail with reference to the accompanying drawings.

1 is an exploded view of a hard hat using a power connector according to a preferred embodiment of the present invention, Figure 2 is an exploded cross-sectional view of the power connector in FIG.

1 and 2, respectively, the hard hat using the power connector according to an embodiment of the present invention, the hard hat 100 is provided with a light on the front portion, the coupling support 200 coupled to the hard hat 100 And a plug part 500 provided at the end of the coil type wire 510 for supplying power of the battery 600 and the coupling support part 200 to be coupled to the plug part 500 to supply power to the battery 600. Received by the socket portion 300 for supplying power to the illumination of the helmet 100, coupled to the socket portion 300 to guide the plug portion 500 is inserted into the socket portion 300 Guide portion 400, and the plug portion 400 is spaced apart from the guide portion 400 and the plug portion 500 is fixed to the fixing portion to be difficult to be separated in the state coupled to the socket portion 300 It is configured by.

Hereinafter, the configuration and operation of the power connector according to a preferred embodiment of the present invention configured as described above and the helmet using the power connector in more detail.

First, the hard hat 100 is a general shape that can be worn on the user's head with a resin material, and the like is omitted in the drawing, but the illumination of the front portion of the hard hat 100 is provided.

As such, in the present invention, the hard hat 100 may be applied regardless of its material or form, and may be applied if the front part is equipped with an LED or a light bulb.

The coupling support part 200 is fixedly installed inside the rear part of the helmet 100. The shape of the coupling support 200 may be changed in various ways, and if the socket 300 fixed by the coupling support 200 is firmly supported so as not to be detached from the helmet 100, the shape of the coupling support 200 may be changed. It can be applied regardless.

3 is a cross-sectional configuration diagram of the socket part 300.

Referring to FIG. 3, the socket part 300 is mounted on a substrate 310 to which an electric wire (not shown) connected to the illumination of the safety helmet 100 is connected, and the plug portion 400. A part of the end of the socket 320 is inserted, and may be fixedly installed inside the coupling support part 200.

Two electrodes are provided inside the socket 320, and the electrodes extend to the substrate 310 to be electrically connected to the substrate 310 by soldering or the like.

4 is a cross-sectional configuration diagram of the guide unit 400, and FIG. 5 is a bottom perspective view of the cross-sectional state of the guide unit 400.

4 and 5, respectively, the guide part 400 is coupled to a lower portion of the socket part 300, and is provided at a connection hole 411 and a lower part to expose the socket 320. Body 410 for providing a plug insertion hole 412 is inserted into the 500, and provided inside the body 410 to guide the insertion of the plug portion 500, the plug portion with a difference in the mutual guide length 500 is configured to include a first guide 420 and the second guide 430 to be guided more smoothly to be inserted into the socket 320.

Reference numeral 414 denotes a plug portion closing the

plug insertion hole

412, and 413 is a connection portion for preventing the plug portion from being separated.

Although it will be described in detail later, the plug portion 500 is provided with an electrode at the end, so that the user can easily insert the plug provided with the electrode into the socket 320 easily in an emergency such as a natural disaster or the occurrence of a fire. In order to use the first guide 420 and the second guide 430 having different guide lengths.

Due to the difference in length between the first guide 420 and the second guide 430, the insertion space into which the plug portion 500 is inserted is substantially larger than the diameter of the plug portion 500, and thus The plug guide 500 is guided by the first guide 420 and the second guide 430 to be easily coupled to the socket 320 even if the plug 500 is not correctly inserted.

6 is a cross-sectional configuration diagram of the plug part 500.

Referring to FIG. 6, the plug part 500 includes a plug 520 having two electrodes 521 and 522 formed at an end thereof, and a rear end of the plug 520 inserted therein so that the coiled wire 510 is connected to the plug ( A body portion 540 which provides a space that can be connected to the 520, a molding portion 550 which fixes the coiled wire 510 and the body portion 540 together at the rear end of the body portion 540, and A separation prevention part 530 is provided between the body part 540 and the plug part 520 and a rear end is inserted into the body part 540 and a locking part 531 protruding outwardly is provided at an end of the front end. It is configured to include).

The locking part 531 of the separation preventing part 530 is spaced apart from the body part 540 and a locking groove 532 is formed between the body part 540 and the body part 540.

In the above configuration, as mentioned above, the plug part 500 is cylindrical and guided to the first guide part 420 and the second guide part 430 of the guide part 400 so that the connection hole 411 can be easily connected. It is possible to insert into the socket 320 of the socket portion 300 in communication with.

At this time, the separation preventing part 530 is positioned through the plug fixing part 700, and the locking part 531 of the separation preventing part 530 is caught by the plug fixing part 700 so that the plug part 500 is easily caught. Departure is prevented.

The plug fixing part 700 may be fixedly installed in the rear inner side of the hard hat 100, or may be molded integrally with the hard hat 100.

7 is a configuration diagram of the plug fixing part 700.

Referring to FIG. 7, the plug fixing part 700 has a body 710 positioned to be spaced apart from the guide part 400 inside the rear side of the helmet 100, and the guide part 400 in the body 710. Protruding toward the side and comprises a fixing portion 720 is provided with a plurality of incision groove 721 cut in the longitudinal direction.

When the plug fixing part 700 is inserted into the socket 320, the plug 520 of the plug part 500 may be separated from the plug part 500 by the body 710 and the fixing part. It is inserted through 720.

At this time, the fixing portion 720 is provided with a plurality of incision grooves 721, when the separation preventing portion 530 is inserted into the inside of the fixing portion 720, the fixing portion 720 is opened to the outside to prevent the separation ( 530 allows for easy through insertion.

In addition, the locking portion 531 of the separation prevention portion 530 is provided with an inclined surface toward the direction to be inserted so that the fixing portion 720 can be easily opened as it is coupled. When the release preventing part 530 is inserted through the fixing part 720, the end of the fixing part 720 is inserted into the locking groove 532 of the separation preventing part 530.

As described above, in the state in which the separation preventing part 530 is coupled through the fixing part 720, the elastic restoring force acts to retract inward, and the locking part 531 moves toward the separation direction. Provides a contact surface in contact with the end of the fixing portion 720 is not easily separated. Of course, the fixing state of the fixing part 720 and the separation preventing part 530 has a limit on the release pressure, and when the force above the limit is applied, the fixing part 720 is opened so that the plug part 500 may be separated. Can be. However, the force generated by the interference usually does not reach the release pressure limit and prevents the plug portion 500 from being separated.

Therefore, the power of the battery 600, which is located separately from the hard hat 100, can be supplied to the lighting provided in the hard hat 100 through the plug part 500, and the work or the evacuation while wearing the hard hat 100 is performed. In the process, the plug part 500 may be prevented from being separated from the socket part 300.

In the present embodiment, the lighting is supplied from the battery 600 to emit light is described as an example installed in the helmet 100, but is not limited thereto. The hard hat 100 may be installed so that a communication device for communicating with the outside or for communicating with another hard hat is operated by receiving power from the battery 600, and various sensors such as a gas sensor and a G sensor. It is also possible to be installed.

It will be apparent to those skilled in the art that the present invention is not limited to the above embodiments and may be variously modified and modified without departing from the technical spirit of the present invention. will be.

Claims

Socket portion;

A guide part coupled to expose the socket of the socket part and guiding insertion of the plug;

A plug part including a plug guided through the guide part to be inserted into the socket part of the socket part to supply power and protruding outwardly from the rear end of the plug; And

And a plug fixing portion that is opened when the release preventing portion of the plug portion is inserted and is pinched after being penetrated to prevent separation of the plug portion.
The method of claim 1,

The plug portion,

A plug providing two electrodes to a portion inserted into the socket;

A body part which is inserted into a part of the rear end of the plug to provide a space to which the wire is connected;

A molding for fixing the wire at a rear end of the body part; And

A rear end portion is partially inserted into the body portion so as to be located between the plug and the body portion, and is provided between the locking portion and the body portion, and a portion of the plug fixing portion is provided between the locking portion and the body portion. The power connector, characterized in that consisting of the separation prevention portion having a locking groove.
The method of claim 2,

The locking portion,

Power connector, characterized in that for providing a slope in the engagement direction.
The method of claim 3,

The plug fixing part,

A through-hole body,

Protruding from the body toward the guide portion, a plurality of slit grooves are provided to open when the separation prevention portion is inserted, the end is inserted into the locking groove in the state where the separation prevention portion is penetrated, the locking portion is caught to prevent separation Power connector, characterized in that consisting of a fixed portion to be made.
The method of claim 1,

The guide unit,

Providing a connection hole in communication with the socket,

And a first guide and a second guide for guiding the insertion of the plug in the vicinity of the connection hole, respectively, so that the plug can be easily inserted by providing a differential in the guide length.
A power connector according to any one of claims 1 to 5 for receiving power from a separate battery; And

Hard hat including at least one driving unit for operating by receiving power from the battery through the power connector.
The method of claim 6,

The driving unit,

Hard hat characterized in that it comprises an LED light.
The method of claim 6,

The driving unit,

Hard hat characterized in that it comprises a communication device.