WO2015012646A1

WO2015012646A1 - Buckle of head band

Info

Publication number: WO2015012646A1
Application number: PCT/KR2014/006830
Authority: WO
Inventors: 한용희; 김민수; 이재원
Original assignee: 주식회사 케이엠더블유
Priority date: 2013-07-25
Filing date: 2014-07-25
Publication date: 2015-01-29
Also published as: KR200485771Y1; JP5894204B2; JP2015024119A; KR20150000536U

Abstract

The present invention relates to a buckle of a head band, the buckle comprising: a guide part which is provided to be integrated in a first end portion of a head band so as to provide a space into which a second end portion of the head band is to be inserted, and which includes a fixing protrusion coming in contact with a locking protrusion provided on a surface of the second end portion; and an operating part which is inserted and fixed to the inner side of the guide part, and which includes a pressing plate exposed through an exposure hole provided in the guide part and a lifting plate lifted up by the pressing of the pressing plate so as to release the contact of the fixing protrusion with the locking protrusion. The present invention enables an operating part having a pressing plate and a rotary portion to be separated from a head band such that only the operating part is replaced while the head band is still used when the operating part is damaged, thereby reducing maintenance and repair costs.

Description

Headband buckle

The present invention relates to a buckle of the head band, and more particularly, to a buckle of the head band that can be adjusted to fit the head size of the wearer to prevent the departure of the hard hat is applied to a hard hat of various uses, such as industrial, military, evacuation will be.

In general, headbands are provided for evacuation helmets that are prepared for industrial, military, and disasters such as fires and earthquakes. The headband can be adjusted appropriately to the size of the wearer's head, and is used to prevent the helmet from falling out even if the wearer is running.

At this time, a variety of structures are known for the buckle to adjust the length of the head band. This buckle can adjust the length of the headband more precisely, it is easy to fix by adjusting the length, and also to make it easy to take off by easily increasing the length when taking off the helmet.

Patent No. 10-0480669 (Buckle Attachment Band and its Buckle, registered March 24, 2005) describes various types of buckles, but it is a structure that can easily increase the length and length of the headband easily. The structure shown in FIG. 15 is mainly used.

The buckle of the head band described in FIGS. 10 to 15 of the Patent No. 10-0480669 is connected to one end of the head band, the guide is provided with the other end of the head band is inserted, the other end inserted into the guide has a plurality of uneven structure Is provided with a locking projection that is arranged continuously.

The other end is movable in the direction inserted into the guide in engagement with the engaging projection is provided with a fixing projection to be impossible to move in the opposite direction, the user presses the pressing plate including a pressing plate which the fixing projection is separated from the locking projection When pressed, it is possible to separate the ends of the band from each other, with reference to the simplified drawings will be described in more detail the configuration as follows.

1 is a cross-sectional configuration of the buckle of the conventional head band.

Referring to FIG. 1, the buckle of the conventional head band includes a guide 7 provided at the first end 1 of the head band, a second end 2 of the head band inserted into the guide 7, and the first end. It is possible to move in the direction D1 in which the locking projection 3 provided on the upper end of the second end 2 and the second projection 2 are caught by the locking projection 3 are inserted into the guide 7. On one opposite direction (D2), the fixing projection (4) and the both ends are connected to the guide (70), the pressing projection (4) by the pressing of the pressing portion 6 provided at one end of the locking projection portion It comprises a rotating part 5 which lifts from (3) and makes the said 2nd end part 2 move to a D2 direction.

In the above configuration, the pivoting portion 5 is restored to its original position by sufficient elastic restoring force when the pressing portion 6 is not pressed by the user so that the fixing protrusion 4 contacts the locking projection 3. As a result, the second end 2 is restricted from moving in the D2 direction.

The buckle of the conventional head band is combined with both ends of the head band to form a band, by adjusting the diameter of the band can be adjusted to the appropriate size to the user's head, can maintain the adjusted state, take off the hard hat In this case, by pressing the pressing part 6, the fixing protrusion 4 which is to be moved relative to the rotating part 5 is separated from the locking protrusion 3 so that the size of the head band is increased so that it can be easily taken off. .

However, the pivoting portion 5 is adjusted to the elastic restoring force is reduced by the repeated rotation in the state connected to the guide (7) it is not possible to firmly contact the fixing projections 4 to the locking projection (3) Failure to maintain the length of the head band may occur.

When the rotation part 5 is damaged in this manner, the rotation part 5 and the fixing protrusion part 4 are integrally provided at the first end part 1 of the head band. Can not be replaced selectively, the entire headband must be replaced.

Therefore, the buckle of the conventional head band has a problem in that the maintenance and management cost increases because only the entire buckle portion can not be replaced when the buckle is damaged.

The technical problem to be solved by the present invention in view of the above problems is to provide a buckle of the head band that can selectively replace the operating portion of the head band buckle.

In addition, the fixing protrusion is separated from the rotating part so that the fixing protrusion can be pressed against the locking protrusion at a constant pressure irrespective of the elastic restoring force of the rotating part so that the life of the product can be shortened. In providing.

In addition, another technical problem to be solved by the present invention is to provide a buckle of the head band that can properly maintain the elastic restoring force of the fixing projections, but can prevent the area of the fixing projections from increasing.

The buckle of the head band of the present invention for solving the above problems is provided integrally with the first end of the head band to provide a space into which the second end of the head band is inserted, and an obstacle provided on the surface of the second end. A guide part including a fixing protrusion in contact with a base, and fixedly inserted into an inside of the guide part and being lifted by the pressing plate exposed through the exposure hole provided in the guide part and the pressing plate, and the fixing protrusion part being removed from the locking protrusion part. And an actuating portion including a lifting plate to release contact.

The buckle of the head band of the present invention, the operating part including the rotating part and the pressing plate is configured to be separated from the head band to use the head band intact when the operating part is damaged, it is possible to replace only the operating part maintenance This can reduce costs.

In addition, the present invention includes a fixing protrusion separated from the rotating portion, so that the fixing protrusion can be contacted to the locking protrusion at a constant pressure irrespective of the restoring force of the rotating portion, thereby preventing shortening the life of the product and improving reliability of the operation. There is an effect that can be improved.

In addition, the buckle of the head band of the present invention has a structure in which the elastic part that gives elastic restoring force to the fixing protrusion part is bent outwardly, thereby minimizing the area of the buckle.

1 is a cross-sectional configuration of a conventional head band buckle.

Figure 2 is an exploded perspective view of the buckle of the head band according to an embodiment of the present invention.

3 is a cross-sectional configuration of the bonded state of FIG.

4 is an exploded perspective view of the head band buckle according to another embodiment of the present invention.

Hereinafter, the buckle of the head band of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a perspective view of the separated state of the head band buckle according to a preferred embodiment of the present invention, Figure 3 is a cross-sectional configuration of the coupled state of FIG.

2 and 3 respectively, the buckle of the head band according to the preferred embodiment of the present invention is provided integrally with the first end portion 100 of the head band to provide a space into which the second end portion 200 of the head band is inserted. It is provided, and the guide portion 110 including a fixing projection 113 in contact with the engaging projection 210 provided on the surface of the second end 200, and is inserted and fixed inside the guide portion 110, Lifted by the pressing plate 310 exposed through the exposure hole 111 provided in the guide unit 110 and the pressing plate 310 to release the fixing protrusion 113 from the locking protrusion 210. It is configured to include an operating unit 300 including a plate (330).

Hereinafter, the configuration and operation of the buckle of the head band according to a preferred embodiment of the present invention configured as described above will be described in more detail.

First, although not shown in the drawings, the first end 100 and the second end 200 are both ends of the band-shaped head band, and the head bands are formed in an annular shape so that the headbands can be fixed to the wearer's head in close contact with each other. Structure.

At the end of the first end portion 100 of the head band is provided a guide portion 110 to provide a space for the second end portion 200 is inserted, the rear end of the guide portion 110 through the guide portion 110 A separation prevention part 120 is provided to guide the end edge of the inserted second end 200 to prevent the second end 200 from being separated.

A specific shape of the guide part 110 is provided with a through hole in the direction in which the second end 200 is inserted, and an exposed hole 111 and an elastic part 112 are provided on the front surface of the elastic part 112. At the end, a fixing protrusion 113 protruding inward of the guide part 110 is provided.

The second end portion 200 is provided with a locking protrusion 210 in which a plurality of protrusions are continuously provided to face the front side of the guide portion 110 in a state inserted into the guide portion 110. As shown in FIG. 3, the protrusions of the locking protrusion 210 are formed in the inclined surface on the opposite side to a vertical or near vertical surface, so that the fixing protrusion 113 having the opposite shape is the protrusion of the locking protrusion 210. When positioned between the second end portion 200 to prevent the departure in the direction of the departure D2.

The operation part 300 inserted into and fixed to the guide part 200 has a coupling member 340 provided at an edge thereof so as to be coupled to the rear side of the guide part 200, and the coupling member 340 is provided at the guide part 110. It is pressed and fixed to the coupling hole 114 provided in the front portion.

The operation unit 300 is the pressing plate 310, the lifting plate 330 is lifted by the pressing of the pressing plate 310, and the coupling member 340 between the pressing plate 310 and the lifting plate 330. The both ends are connected to the pressing plate 310 in a state in which the pressing plate 310 is pressed to lift the raising plate 330, and when the pressing plate 310 is released, the both ends are restored to their original shape. While rotating the pressing plate 310 and the lifting plate 330 to the original position is provided with a rotating unit (320).

When the lifting plate 330 is raised, the fixing protrusion 113 which is partially in contact with the lifting plate 330 is lifted up, and the fixing protrusion 113 is separated from the locking protrusion 210 so that the second end portion ( 200) can move in the direction D2.

In the adjusting and fixing operation of the head band of the present invention configured as described above, when the second end portion 200 is inserted in the direction D1, the fixing protrusion 113 and the locking protrusion 210 are in contact with each other. As a result, the elastic part 112 providing downward elastic restoring force to the fixing protrusion 113 is moved upward, and the second end 200 is inserted into the guide part 110.

In this state, in order to move the second end 200 in the direction D2, the wearer presses the pressing plate 310 exposed through the exposure hole 111, between the pressing plate 310 and the lifting plate 330. In the state in which the lifting plate 330 is lifted by the pivoting part 320 and the fixing protrusion 113 is in contact with the upper part, the wearer can easily move the second end 200 in the D2 direction. do.

If the pressing plate 310 is not pressed after moving the second end 200 in the D2 direction, the restoring force of the elastic part 112 provided on the front surface of the guide part 110 acts on the fixing protrusion 113 so as to fix the fixing protrusion 113. 113 is caught by the locking projection 210, the movement in the D2 direction is limited.

The elastic part 112 is provided with a bent protrusion, which should be longer than the length of the elastic part in order to provide a proper elastic restoring force to the fixing protrusion 113. Since the horizontal elastic portion occupies a large area, the guide portion 110 becomes large unnecessarily.

However, by making the elastic portion 112 bent as in the present invention, it is possible to give an appropriate elastic force even in its narrow area, thereby reducing the size of the guide portion 110.

As such, the present invention forms the guide unit 110 and the operation unit 300 separately, and can selectively replace only the operation unit 300 when the operation unit 300 is damaged, and unlike the conventional fixing protrusion 113 is Since it is not directly connected to the rotating part 320, the fixing protrusion 113 may be brought into contact with the locking protrusion 210 at an appropriate pressure regardless of the decrease in the elastic force of the rotating part 320.

4 is a configuration diagram of the second end 200 according to another embodiment of the present invention.

Referring to FIG. 4, the second end 200 according to another embodiment of the present invention includes a stopper 220 protruding from an edge of the second end 200 of the rear end side of the engaging protrusion 210.

The stopper 220 may prevent the second end 200 from being inserted too deeply into the guide part 110, and a handle that may facilitate the coupling of the second end 200 by the wearer with one hand. It can also play a role.

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

It is provided integrally with the first end portion 100 of the head band to provide a space into which the second end portion 200 of the head band is inserted, and fixed to contact with the engaging protrusion 210 provided on the surface of the second end portion 200. A guide part 110 including a protrusion part 113; And

The fixing protrusion 113 is inserted and fixed to the inside of the guide part 110 and is lifted by the pressing plate 310 and the pressing plate 310 exposed through the exposure hole 111 provided in the guide part 110. Buckle of the head band including an operation unit 300 including a lifting plate 330 to release the contact from the engaging projection (210).
The method of claim 1,

At the rear end of the guide part 110, a departure prevention part 120 for guiding the end edge of the second end part 200 inserted through the guide part 110 to prevent the second end part 200 from being detached is further provided. Buckle of headband to include.
The method of claim 1,

The guide unit 110,

The through hole is provided in the direction in which the second end 200 is inserted, and the exposed hole 111 and the elastic portion 112 on the front surface,

A rear surface opened to allow the operation part 300 to be inserted;

A fastening hole into which the coupling member 340 provided in the operation part 300 is press-fitted,

Buckle of the head band including a fixing protrusion 113 protruding inward of the guide portion 110 at the end of the elastic portion (112).
The method of claim 3,

The operation unit 300,

Both ends of the lifting plate 330 lifted by the pressing of the pressing plate 310 and the coupling member 340 are connected between the pressing plate 310 and the lifting plate 330 to press the pressing plate 310. At both ends of the pressing plate 310 to lift the lifting plate 330 and release of the pressing plate 310 when the pressing both ends are restored to the original shape of the pressing plate 310 and the lifting plate 330 originally Buckle of the head band, characterized in that consisting of a rotating part 320 to move to the position of.
The method of claim 1,

The second end 200,

Buckle of the head band further comprises a stopper (220) protruding from the rear end side of the engaging projection (210).