KR200440762Y1 - adjuster unit of head-band for the safety helmet - Google Patents

Abstract

The present invention relates to a head fixing regulator attached to a hard hat, wherein the head fixing regulator is configured by fitting the first body and the second body, the recessed plurality of fitting grooves formed in the first body through the side portion It is advantageous to take out the first body from the mold very easily in comparison with that of the conventional injection molding by the mold for the production of the first body to be connected to the groove.

On the other hand, the present invention is further provided with a fixing strap of the elastic material detachable to the second body, to be worn according to the user's head when wearing a hard hat to prevent safety accidents and improve the work efficiency and to easily remove the fixing strap It relates to a head fixation regulator for a hard hat configured to be.

Hard hat, helmet, head adjuster, auxiliary strap, head fixation, mold

Description

Adjuster unit of head-band for the safety helmet}

The present invention consists of a fitting body of the first body and the second body and the recessed plurality of fitting grooves formed in the first body is to be connected to the through-hole groove passing through the side portion to the mold for the production of the first body It relates to a head fixation regulator for adjusting the size of the head restraint surrounding the wearer's head is attached to the helmet to take out the first body from the mold very much compared to that of the prior art by injection molding.

The safety cap or helmet has a hammock built in to prevent the impact energy from being directly delivered to the user's head when an object falls from the top. It is configured to protect driving and plays a very important role in industrial construction sites and sports activities.

Hereinafter, a configuration of a general industrial hard hat will be described with reference to the drawings, and a hard hat, a sports helmet (for baseball, inline skating, etc.) or a helmet for a motorcycle is also different. Since there is no difference in parts, in the whole of this specification, a distinction is made between the helmet and the helmet.

Hard hat is configured according to the regulations of the Ministry of Labor, is provided with a head fixed to fix the inside of the mother and the parent and a head fixing adjuster for adjusting the size of the head fixing.

1 is a view showing a coupling structure of a conventional head holder 20, which is composed of a first body 100 and a second body 200 fitted to it, the first body 100 of the upper and lower The fitting grooves 110 recessed in the inner side surface portions are provided on the left and right sides, and the protrusion pieces 210 coupled to the fitting grooves 110 are provided on the outer side portions of the upper and lower ends of the second body 200.

On the other hand, in order to manufacture the conventional head fixing stand 20, it is common to manufacture by injection molding with a plastic material casting in a mold usually composed of a pair. With reference to the drawings for injection molding, the problem of the conventional hair fixing stand 20 will be described.

First, Figure 2 shows an embodiment of a mold used to manufacture the first body 100 of the conventional head fixing stand 20. In particular, Figure 2 shows the cut side configuration of the mold, but shows a state cut based on the I-I cutting line in FIG.

As shown in Figure 2a, the first body 100 is composed of a pair of corresponding mold (50, 60) for molding. The pair of molds 50 and 60 are in contact with each other, thereby injecting and solidifying the plastic casting into the internal space to implement the shape of the first body 100.

Next, as shown in FIG. 2B, when solidification is completed in the internal space, the pair of molds 50 and 60 are spaced apart from each other. Thereafter, the first body 100 formed as shown in FIG. 2C is taken out from the mold 50.

Looking in more detail, the plurality of fitting grooves 110 formed in the first body 100 is configured to correspond to the protruding portion 52 in one mold (50). However, the first body 100 is inserted into the first body 100 without being easily separated from the mold 50 by the protruding portion 52.

Accordingly, as shown in FIG. 2C, the core part 51 of the mold, which is directly in contact with the first body 100, is moved forward by a predetermined interval in the mold 50 so that the worker detaches the first body 100 by hand. ) Is pulled out from the core portion 51 by force in a state of holding.

While the process of manufacturing the first body 100 shown in FIG. 2 described above shows manufacturing a single first body 100 in order to explain the gist of the manufacturing process, a plurality of first bodies ( Since 100 is manufactured at the same time, a problem arises that the worker takes the first body 100 by hand one by one as described above from the core 51 of the mold 50 and takes a very long time. It was.

In addition, the above problems are also pointed out that the rise of the manufacturing cost and the accident caused by the mold 50 due to the operator heating.

The present invention is composed of the fitting of the first body and the second body, but the recessed plurality of fitting grooves formed in the first body to be connected to extend through the through-hole groove passing through the side portion, by the mold for the production of the first body In the case of injection molding, it provides a head fixation controller for a hard hat, which is very easy to take out the first body from the mold as compared to the conventional one.

The present invention, in order to solve the above problems, the cut surface is fitted to the first body of the] type and the first body and the cut surface is coupled to the second body of the [hat] in the head fixation regulator for the hard hat, 1 body is provided with a plurality of fitting grooves recessed in each of the inner surface of the upper and lower parts, each fitting groove is connected to the through-holes extending through the side portion; The second body provides a head fixer for a hard hat, characterized in that the protrusions corresponding to the plurality of fitting grooves are configured on each of the outer side surfaces of the upper and lower parts.

In addition, the head fixing regulator is provided with stops on each end of the second body; It is provided with a head fixing regulator for a hard hat, characterized in that the fixing band of the elastic material having a protruding groove portion at both ends detachably corresponding to the stop portion.

The head fixation controller for a helmet according to the present invention is made of a first body and a first body fitted with the first body, the injection molding by the mold for the production of the first body of the first body from the mold compared to that of the conventional mold The extraction can be made very simply, so there is an advantage that can be produced more effectively than in the prior art.

In addition, the present invention is further provided with a fixing strap of the elastic material detachable to the second body, to be appropriately worn on the user's head when wearing a hard hat has the advantage of preventing accidents and improving work efficiency.

Hereinafter, a preferred embodiment according to the present invention will be described in detail with reference to the accompanying drawings, in the following description of the present invention, when it is determined that the detailed description of the known art or configuration may unnecessarily obscure the subject matter of the present invention The detailed description thereof will be omitted.

On the other hand, a hard hat, a sports helmet (baseball, inline skates, etc.) or a motorcycle helmet, a cap including a head adjuster, the basic configuration does not differ from the hard hat, but in the part explaining the gist of the present invention Since there is no difference, throughout the present specification, no distinction is made between the helmet and the helmet.

3 is an assembly configuration showing the configuration of the head fixing regulator according to the present invention, Figure 4 is an assembly configuration showing a coupling configuration of the head fixing regulator and a hard hat according to the present invention.

5 and 6 are front and rear views of the head fixing regulator according to the present invention. 7 is a front view showing a fixing band of the head fixing regulator according to the present invention, Figure 8 is a side view of FIG. 9 is an operation of the head fixing regulator according to the present invention.

10 is a state diagram of a hard hat provided with a head fixing regulator according to the present invention.

11 is a manufacturing state diagram showing a process of manufacturing the first body of the head fixing regulator according to the present invention.

The present invention relates to a head fixing regulator 10 for adjusting the length of the head fixing stand 20 of the hard hat 1, in particular, which is provided in the hard hat 1 shown in FIG.

Safety helmet head adjuster 10 according to the present invention is composed of a combination of the first body 100 and the second body 200, in particular characterized in that the fixing band 300 is further configured. First, the configuration of the first body 100 and the second body 200 and the coupling structure thereof will be described, and then the head fixing controller 10 in which the fixing band 300 is further described will be described.

First, as shown in FIG. 3, the present invention includes a corresponding coupling of a first body 100 having a cutting shape and a cutting body having a second body 200 having a cutting surface as shown in FIG. 3. In particular, the first body 100 is provided with a plurality of fitting grooves 110 recessed in each of the inner side of the upper and lower parts. And each of the fitting groove 110 is configured to extend through the through-hole 120 passing through the side portion.

As shown in FIG. 3, the plurality of fitting grooves 110 are configured to have a plurality of upper and lower left and right sides, respectively, and preferably formed at least four or more, and the first body 100 and the second body 200. It is preferable to consider the degree of warpage or the strength according to the material selection.

The material of the first body 100 and the second body 200 is preferably made of a conventional synthetic resin, preferably made of a plastic material having an elastic force to facilitate the coupling.

Thus, the second body 200 is configured such that the protruding pieces 210 corresponding to the plurality of fitting grooves 110 are formed on the outer side surfaces of the upper and lower parts, respectively.

As shown in Figure 3 and 4, the first body 100 and the second body 200 is fitted to each other, but is coupled to leave a part of the head restraint 20 of the helmet 1 therebetween. As for the coupling of the handle part (not shown) provided on the side of the first body 100 with the head restraint 20, the same configuration as that of the conventional one is sufficient, so the description of the present invention will be omitted. .

In particular, the through-hole groove 120 provided in the first body 100 has a more efficient characteristics in the manufacture of the head fixing regulator 10 according to the present invention. Hereinafter, referring to FIG. 11, a method of manufacturing the first body 100 of the head fixing regulator 10 is as follows.

FIG. 11 is a manufacturing state diagram illustrating a process of manufacturing the first body 100 of the head fixing controller 10 according to the present invention, and shows a state of the side cut based on the cutting line I-I shown in FIG. 3. In addition, a description overlapping with the process of manufacturing the first body of the conventional head fixation regulator described above will be omitted.

First, as shown in FIG. 11A, a casting of a plastic material is injected between a pair of molds 50 and 60 to fill a preformed internal space, thereby forming a first body 100, wherein the first body 100 is formed. In order to configure the through hole 120 to be provided, the protruding portion 61 for providing the through hole 120 in one mold 60 is configured.

The protruding portion 61 of the mold not only constitutes the through hole 120 of the first body 100, but also forms the fitting groove 110 extending to the through hole 120. Make sure you decide. That is, the protruding portion 61 of the mold corresponds to the upper and lower side portions of the first body 100 but overlaps a part of the thickness of the upper and lower portions, and the length thereof is shorter than the upper and lower side portions of the through hole 120. ) And the fitting groove 110 may be formed at the same time.

Thereafter, FIG. 11B shows a state in which the first body 100 having solidified inside of the pair of molds 50 and 60 is attached to the mold 50. Next, as shown in FIGS. 11C and 11D, the first body 100 is pressed by pressing the withdrawal pins 55 provided in the core part of the mold in order to detach the first body 100 from the mold 50. ). On the other hand, the pair of molds (50, 60) and the withdrawal pins (55) constituted therein is sufficient if it is made of a known technique.

That is, unlike the process that the operator had to take out by hand gripping to remove the first body from the mold at the time of manufacturing the first body of the conventional head fixing regulator shown in Figure 2, the head fixing regulator 10 according to the present invention By configuring the through-hole groove 120 and the fitting groove 110 is configured to be connected to the first body 100 of the operator does not take out the first body 100 directly from the hand-made mold (50, 60) during manufacturing There is an advantage that does not have to.

On the other hand, as shown in Figure 3, in the head fixing regulator 10 according to the present invention, both ends of the second body portion 200 is formed with a stopper 250, respectively, the stopper 250 is fixed band It will be described in detail below with respect to the fixing strap 300 to play a role of engaging with the 300.

The stopper 250 has a stopper in its configuration such that it does not protrude to the outside of the head fixation regulator 10, that is, to both ends of the second body part 200, as compared with the conventional head fixation regulator (FIG. 1). 250), it is desirable to increase the ease of compatibility with the existing hair fixing regulator and in the manufacture of the hair fixing regulator 10.

In particular, it is preferable that there is no part protruding to the outside of the head fixing adjuster 10 even after the coupling with the fixing band 300 to be described later, so that there is no inconvenience for the user when wearing the helmet 1 as shown in FIG. 10.

In addition, as shown in a partially enlarged view of FIG. 6, the stop part 250 is formed to have an inclined triangular edge 251 and a receiving part 252 to protrude the groove 350 of the fixing band 300 to be described later. It is desirable to configure so that the user can easily operate the fitting and removal operation.

As shown in each of FIGS. 7 to 8, the fixing band 300 is provided at both ends thereof with protruding grooves 350 formed at both ends thereof so as to be attached and detached in correspondence with the respective stop portions 250 of the second body part 200. In particular, the material is preferably formed of a material having elasticity.

The material of the fixing strip 300 is preferably not limited in the selection, such as synthetic resin of plastic, synthetic fiber, synthetic rubber, natural fiber, natural rubber, leather, etc., and also selectively combining the plurality of materials It is possible.

In particular, the elastic characteristics of the fixing band 300, it is sufficient that the material constituting the fixing band 300 is not only a feature of increasing or decreasing, but also having a bending characteristic even if the tensile force is weak.

As an example of the fixing band 300, generally can be formed of the same material as the head fixing regulator 10 made of a synthetic resin, in this case to adjust the thickness of the fixing band 300 to adjust the elastic force Preferably, it is possible to further reduce the weight by forming a through-hole, such as a perforation hole in the fixing strip 300, it is also possible to further configure the elastic material.

In addition, as another example of the fixing strip 300, it is also possible to be composed of a general fiber, that is, cloth, mesh.

As shown in FIG. 7 and FIG. 8, the protruding groove 350 of the fixing band 300 has a through hole formed on a side surface of the fixing band 300, and the stopping part 250 of the second body 200 is formed. It is desirable to configure so that the user's hair does not get caught in the fitting.

On the other hand, the protruding groove 350 may be formed by drilling to correspond to each stop 250 of the second body 200 at both ends of the fixing band 300 without forming a through hole of the side. Of course.

In addition, in the use of the hard hat (1), the user can first select the presence or absence of the fixing band 300, if you want to use the fixing band 300, as shown in Figure 9, formed on both ends of the fixing band 300 Each protruding groove 350 to be fitted is fitted to the stop 250 of the second body 200.

As shown in Figure 9 and 10, when wearing the hard hat (1) that is composed of the fixing strap 300, the back of the user and the fixing belt 300 is in contact with the user by the fixing band 300 It is in close contact with the back of the head representing the shape, in particular, the fixing band 300 can be prevented from being peeled off by the user's movement because it moves fluidly.

In addition, the stopper portion 250 of the second body portion 200 is configured so that the fixing strip 300 is not detached arbitrarily during the work, and when the fixing strip 300 is removed, elasticity of the fixing strip 300 is removed. The material is configured to enable the user to easily remove the fixing strip 300 by applying a small force.

Although the above has been described above with reference to a preferred embodiment of the present invention, the technical idea of the present invention is not limited thereto, and each component of the present invention is changed or modified within the technical scope of the present invention for achieving the same purpose and effect. Could be.

1 is an assembly configuration showing the configuration of a conventional head fixing regulator.

Figure 2 is a state of production showing a process of manufacturing the first body of the conventional head fixation regulator.

Figure 3 is an assembly configuration showing the configuration of the head fixing regulator according to the present invention.

Figure 4 is an assembly configuration showing a coupling configuration of the head fixed regulator and a hard hat according to the present invention.

5 is a front view of the head fixing regulator according to the present invention.

Figure 6 is a rear view of the head fixing regulator according to the present invention.

Figure 7 is a front view showing a fixing band of the head fixing regulator according to the present invention.

8 is a side view of FIG. 7;

9 is an operation of the head fixing regulator according to the present invention.

10 is a state diagram of a hard hat provided with a head fixing regulator according to the present invention.

Figure 11 is a manufacturing state showing the process of manufacturing the first body of the head fixing regulator according to the present invention.

* Symbols for the main parts of the drawings *

1: Hard hat (or helmet)

11: Matrix 20: Hair Fixture

10: head fixing regulator 50, 60: a pair of mold

51: core portion 52: protrusion

100: first body

110: fitting groove 120: through groove

200: second body 210: protrusion

250: stop portion 300: fixing strip

350: protruding groove

Claims (2)

In the cutting head is fitted to the first body 100 of the] type and the first body 100 and the cutting surface is configured to be coupled to the [second body 200 of the mold] in the head fixed adjuster 10, The first body 100 is provided with a plurality of fitting grooves 110 recessed in each of the inner side of the upper and lower parts, each fitting groove 110 is connected to the through-hole groove 120 passing through the side portion; The second body 200, the head fixing regulator for a hard hat, characterized in that the protrusion pieces 210 corresponding to the plurality of fitting grooves 110 are configured on each of the outer side of the upper and lower portions. The method of claim 1, wherein the hair fixation regulator, Stops 250 are formed at both ends of the second body 200; Head fixing regulator for a hard hat, characterized in that the fixing band 300 of the elastic material having a protruding groove portion 350 to be detachable in correspondence to the stop portion 250 is further provided.

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