KR102569647B1 - Foldable Helmet. - Google Patents

Abstract

The present invention is a foldable helmet worn on the head when riding personal or shared mobility such as a bicycle or electric kickboard, which can be folded left and right while safely protecting the wearer's head in a hemispherical unfolded state. Foldable with excellent portability and storage It's about the helmet.

Description

Foldable Helmet {Foldable Helmet.}

The present invention relates to a folding helmet. More specifically, the present invention is a folding helmet worn on the head when riding personal or shared mobility such as a bicycle, inline, electric kickboard, etc. It relates to a folding helmet with excellent storage.

Recently, as the demand for personal or shared mobility, such as bicycles, inlines, and electric kickboards, has increased, the number of safety accidents has also increased rapidly. Accordingly, in Korea, it is legally compulsory to wear a protective helmet when boarding or operating personal or shared mobility to enhance safety, and recently, fines are imposed for not wearing such a protective helmet.

Among protective helmets, helmets for leisure, sports, and bicycles often use cross-country helmets (XC-type helmets) with a lightweight and breathable design with high safety, but personal or shared mobility users generally use round hemispheres. Helmets with a shape design Urban helmets are often worn.

Relatively, personal or shared mobility has a high rate of being used as a means of transportation in daily life in the city. As a result, it can be stored in a bag or pocket for easy movement or storage of the helmet, and it is easy to carry, while preventing safety accidents when riding the mobility. In preparation, a helmet product capable of safely protecting the wearer's head from external shocks is required.

Even in the case of conventional bicycle helmets, some foldable helmets using mechanisms such as rails or hinges have been introduced, but existing foldable helmets cannot be folded enough to fit in a bag or pocket, so the helmet can be carried. There was a problem that was inconvenient to store or store.

Therefore, in a folding helmet worn when riding personal or shared mobility such as a bicycle, inline, electric kickboard, etc., it is flexible while safely protecting the wearer's head in a hemispherical unfolded state. When folded left and right, the volume is further reduced than before. There is an urgent need for a foldable helmet with improved portability and storage.

The present invention is a foldable helmet worn on the head when riding personal or shared mobility such as a bicycle, inline, electric kickboard, etc., in a hemispherical unfolded state to safely protect the wearer's head and at the same time fold it left and right, providing portability and storage Providing an excellent folding helmet is a challenge to be solved.

The present invention includes a plurality of bendable cells capable of covering the left and right sides of the wearer's head, respectively, and including the plurality of cells, a left cover and a right cover having upper ends of at least one of the plurality of cells connected to each other; and a BOA system that deforms the plurality of cells so that the left cover and the right cover can be unfolded or folded. a wire member that penetrates inside the upper end of at least two or more cells among the cells and is connected as one as a whole; and a dial member capable of unfolding the left cover and the right cover by winding the wire member or folding the left cover and the right cover by unwinding the wire member.

Here, the dial member is rotatable in only one direction in a pressed state, and when rotated in the one direction, the wire member is wound and bent to bend a plurality of cells constituting the left cover and the right cover, respectively, so that the left cover and The right cover can be unfolded, the dial member can be rotated in both directions in a pulled state, and when rotated in the other direction, the wire member is released to unfold the plurality of curved cells constituting the left cover and the right cover, respectively A foldable helmet capable of folding the left cover and the right cover is provided.

Further, the plurality of cells constituting the left cover include protrusions or depressions on the inside, and the plurality of cells constituting the right cover include depressions into which the protrusions are inserted or protrusions inserted into the depressions. Provides a folding helmet that includes.

In addition, a front head fixing band wrapped around the front of the wearer's head is further included inside the left cover and the right cover, and the front head fixing band is provided inside each of the left cover and the right cover and is spaced apart from each other. Provided is a foldable helmet that can be provided with one or more protruding pins that can be selectively inserted into one of a plurality of holes for adjusting the head circumference.

Here, an occipital fixing band is further included inside the left cover and the right cover to wrap around the rear part of the wearer's head, and when the wire member is wound by rotating the dial member in one direction, the boa system left and right sides Provided is a foldable helmet that can be configured so that the occipital fixing band closely adheres to and supports the occipital region by pressing each of the left and right sides of the occipital fixing band in the occipital direction with the cells disposed thereon.

In addition, each of the plurality of cells constituting the left cover and the right cover includes an outer skin layer, an inner shock absorbing layer, and a connection layer between the outer skin layer and the shock absorbing layer, and the outer skin layer and the shock absorbing layer are separated. It is formed of a plurality of blocks, and the plurality of separated blocks are supported by the connection layer to be variable, thereby providing a foldable helmet capable of bending each of the plurality of cells.

Here, the surface layer is formed of a polycarbonate material, the shock absorbing layer is formed of an expandable polystyrene material, and the connection layer is formed of a fabric material.

In addition, a foldable helmet that may additionally include a chin support strap for supporting the wearer's chin is provided.

In the foldable helmet according to the present invention, when the wire member is wound by applying the BOA system, the left cover and the right cover are unfolded and transformed into a hemispherical shape to safely protect the wearer's head, and when the wire member is unwound, the left side cover Since the cover and the right cover can be folded flat, there is an excellent effect of making the portability, storage and transportability of the helmet convenient.

In addition, the foldable helmet according to the present invention has a head fixing band with adjustable length, so that the size of the helmet can be changed in various ways according to the size of the head of the wearer, so that comfort and stability are improved when the helmet is worn.

1 is a front perspective view of a foldable helmet according to the present invention unfolded.
Figure 2 shows a rear perspective view of the foldable helmet according to the present invention unfolded.
3 is a front perspective view of a folded state of a foldable helmet according to the present invention.
4 is a rear perspective view of a folded state of a foldable helmet according to the present invention.
Figure 5 shows a bottom view of the foldable helmet according to the present invention unfolded.
6 is a bottom view of a folded state of a foldable helmet according to the present invention.
7 is a schematic diagram of a cell constituting the foldable helmet shown in the present invention.
8 shows a BOA system, a front head fixing band, and an occipital fixing band provided inside the foldable helmet according to the present invention.
9 shows a perspective view of the occipital fixing band from the inside of the foldable helmet according to the present invention.
10 is an exploded perspective view of a BOA system and an occipital fixing band provided inside the foldable helmet shown in the present invention.
11 shows a state in which the circumference of the foldable helmet is tightened according to the operation of the BOA system in the foldable helmet according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described herein and may be embodied in other forms. Rather, the embodiments introduced herein are provided so that the disclosed content will be thorough and complete, and the spirit of the invention will be sufficiently conveyed to those skilled in the art. Like reference numbers indicate like elements throughout the specification.

1 shows a front perspective view of the foldable helmet according to the present invention unfolded, Figure 2 shows a rear perspective view of the foldable helmet according to the present invention unfolded, Figure 3 shows the foldable helmet according to the present invention folded It shows a front perspective view of , and FIG. 4 shows a rear perspective view of a folded state of a foldable helmet according to the present invention.

As shown in FIGS. 1 to 4, the folding helmet according to the present invention protects the head of a rider (hereinafter referred to as a 'wearer') when riding a bicycle, an electric kickboard, inline skates, etc. on the left and right sides of the wearer's head A left cover 110 capable of covering, including a plurality of bendable cells 10, the upper ends of at least one of which are connected to each other among the plurality of cells 10; and right cover 120; and a BOA system 200 that deforms the plurality of cells 10 so that the left cover 110 and the right cover 120 can be unfolded or folded.

Here, the boa system 200 constituting the foldable helmet according to the present invention is inside the top of at least one cell 10 among the plurality of cells 10 constituting the left cover 110 and the right cover 120, respectively. The left cover 110 and the right cover 120 are unfolded or the left cover ( 110) and a dial member 230 capable of folding the right cover 120.

The foldable helmet according to the present invention includes a helmet part 100 for entirely covering the wearer's head, and the helmet part 100 includes a plurality of bendable cells 10 to cover the left and right heads, respectively. It may be divided into a left cover 110 and a right cover 120.

Therefore, the foldable helmet uses the BOA system 200 based on the center line M forming the boundary between the left cover 110 and the right cover 120 at the center of the helmet part 100, respectively. The plurality of cells 10 constituting the left cover 110 and the right cover 120 can be configured to be folded or unfolded in the left and right directions.

The plurality of cells 10 constituting the left cover 110 and the right cover 120 of the helmet part 100 are formed on one or more spaced horizontal lines C formed to cross the helmet part 100 in the left and right directions. Separation is possible by being spaced apart from each other.

In addition, the plurality of cells 10 constituting the left cover 110 and the right cover 120 of the helmet part 100 include one or more bent vertical lines formed to cross in the front and rear directions of the helmet part 100 ( When folded left and right with respect to the center line (M) by V), they may be bent while being bent outward from each other. Meanwhile, each of the blocks constituting the plurality of cells 10 may be bent outward from each other by a bending vertical line V as the left cover 110 and the right cover 120 are unfolded.

Furthermore, the area size of each of the plurality of cells 10 constituting the left cover 110 and the right cover 120 of the helmet part 100 increases as it approaches the center line M, and the helmet part 100 increases in area size. It may be formed such that the size of the area decreases as it approaches both end portions of the unit 100 . Therefore, each of the plurality of cells 10 constituting the left cover 110 and the right cover 120 may be designed in a 'V' shape, and the impact resistance of the helmet part 100 composed of this may be improved. This gives an overall enhancing effect.

The foldable helmet according to the present invention may further include a cap member 130 connected to the front of the helmet part 100, and the cap member 130 is a wearer riding mobility such as a bicycle, inline, electric quick board, etc. It serves to protect the head or face of the person from ultraviolet rays, wind, moisture, pollutants, and external foreign substances.

In addition, the cap member 130 may be composed of a plurality of cap blocks 20 instead of integrally formed, and accordingly, the cap block 20 may be formed while the helmet part 100 is unfolded or folded into a hemispherical shape. ) is configured to increase or decrease so that the cap member 130 is not damaged and the helmet part 100 can be smoothly unfolded or folded.

And, the foldable helmet according to the present invention may further include a chin support 300 for supporting and protecting the wearer's chin. The chin support part 300 includes a chin support strap 310 for supporting the chin while surrounding the lower part of the wearer, adjusting the length of the chin support strap 310 or maintaining or releasing the connection of the chin support strap 310. In order to do so, it may be configured to include a connecting member 330 composed of a buckle or the like.

The foldable helmet according to the present invention applies the BOA system 200 to bend or unfold the plurality of cells 10 constituting the left cover 110 and the right cover 120 so that the left cover ( 110) and the right cover 120 are unfolded and then firmly fixed or flatly folded.

The BOA system 200 is located on the top of at least one of the cells 10 disposed on the left and right sides of the plurality of cells 10 constituting the left cover 110 and the right cover 120, respectively. A wire member 210 composed of a pair of wires passing through the inside and a dial member for unfolding or folding the left cover 110 and the right cover 120 by winding or unwinding the wire member 210. It may be configured to include (230).

In this way, the wire member 210 constituting the BOA system 200 is provided on the upper ends of the left cover 110 and the right cover 120 constituting the helmet part 100, so that the foldable helmet When an external impact is applied, the wire member 210 can offset the external impact, thereby improving overall impact resistance.

The foldable helmet according to the present invention includes a plurality of cells 10 to dispose the dial member 230 constituting the BOA system 200 at the lower rear of the left cover 110 and the right cover 120. An opening 100h may be formed therebetween. In this way, the dial member 230 and the dial housing 235 may be provided in the inner region of the helmet part 100 through the opening 100h formed at the rear lower end of the helmet part 100 .

The dial member 230 constituting the BOA system 200 of the foldable helmet according to the present invention is rotatable in only one direction in a pressed state, and when rotated in the one direction, the upper inner side of the plurality of cells 10 As the wire member 210 provided in is wound and pulled, the plurality of cells 10 constituting the left cover 110 and the right cover 120 are bent, so that the left cover 110 and the right cover ( 120), it can be firmly fixed after unfolding.

Here, when the wire member 210 rotates in one direction while the dial member 230 is pressed, the wire member 210 rotates once along the path of the wire member 210 predetermined inside the upper end of the plurality of cells 10 while rotating the wire member 210 once. Each of the cells 10 constituting the left cover 110 and the right cover 120 of the helmet unit 100 may be pulled tight to maintain a hemispherical helmet shape.

Hereinafter, an operation example of the foldable helmet of the present invention according to the BOA system 200 will be described with reference to the drawings below.

1 and 2, when the dial member 230 of the BOA system 200 is rotated in one direction and the wire member 200 is wound and pulled, the left side relative to the center line M At the same time as the cover 110 and the right cover 120 are unfolded, the plurality of cells 10 are joined in the area of the horizontal distance line C and bent outward in the area of the vertical bending line V, so that the helmet part 100 as a whole ) is unfolded in a hemispherical shape and can be worn on the wearer's head.

Referring to FIG. 2, the BOA system 200 of the foldable helmet according to the present invention is rotatably fixed only in the first direction d1 in a state in which the dial member 230 is pressed, so that the wearer is pressed When the dial member 230 in the state is rotated in the first direction d1, the wire member 210 is pulled while the left cover 110 and the right cover 120 are unfolded, and the dial member 230 By the wire member 210 pulled by the helmet portion 100 can be firmly fixed in a hemispherical shape.

In the foldable helmet of the present invention, in the embodiment shown in FIG. 2 , the left cover 110 and the right cover 120 are unfolded as the dial member 230 is rotated in the first direction d1. However, when the dial member 230 is rotated in the second direction d2 opposite to the first direction d1, the left cover 110 and the right cover 120 may be unfolded.

3 and 4, the dial member 230 constituting the BOA system 200 of the foldable helmet according to the present invention is rotatable in both directions in a pulled state, and when rotated in the other direction The left cover 110 and the right cover 120 can be opened by releasing the wire member 210 to unfold the plurality of curved cells 10 constituting the left cover 110 and the right cover 120, respectively. ) is configured to be foldable.

When the wire member 200 is released by rotating the dial member 230 of the Boa system 200 in another direction, the left cover 110 and the right cover 120 are folded based on the center line M. As the plurality of cells 10 are spaced apart from each other in the area of the horizontal spacing line C, the circumference of the helmet part 100 increases, and the helmet part 100 can be folded flat in the left and right directions.

Referring to FIG. 4, in the BOA system 200 of the foldable helmet according to the present invention, the dial member 230 is rotatably changed in the first direction d1 or the second direction d2 in a pulled state, , When the wearer rotates the dial member 230 in the second direction d2 opposite to the first direction d1, the wire member 210 is released and the left cover 110 and the right cover 120 ) Since the shape is loose, the helmet part 100 is configured to be folded flat by pressing it with a hand in the left and right directions.

5 shows a bottom view of the foldable helmet according to the present invention unfolded, and FIG. 6 shows a bottom view of the foldable helmet according to the present invention folded.

As shown in FIGS. 5 and 6, in the foldable helmet according to the present invention, the plurality of cells 10 constituting the left cover 110 of the helmet portion 100 have protrusions 10a or depressions on the inner bottom surface ( 10b), and the plurality of cells 10 constituting the right cover 120 of the helmet part 100 include a recessed part 10b into which the protruding part 10a is inserted, or the recessed part It may be configured to include a protrusion (10a) inserted into (10b).

In this way, the foldable helmet has an anti-symmetrical structure between the inner surface of the left cover 110 and the right cover 120 constituting the helmet part 100, so that the foldable helmet is formed along the center line. (M) When folded in the left-right direction on the basis of a protrusion 10a or recessed portion 10b formed inside the left cover 110 and a protrusion 10a or recessed portion 10b formed inside the right cover 120 inserted therein ) are configured to be in close contact with each other, so that the overall volume of the foldable helmet can be effectively reduced.

7 is a schematic diagram of a cell constituting the foldable helmet shown in the present invention.

As shown in FIG. 7, the foldable helmet according to the present invention includes a plurality of cells 10 constituting the left cover 110 and the right cover 120, respectively, the outer skin layer 11, the inner shock absorbing layer ( 13) and a connection layer 12 between the outer skin layer 11 and the shock absorbing layer 13.

The outer skin layer 11 constituting each of the plurality of cells 10 forms an outer surface layer of the helmet part 100 constituting the foldable helmet, and the outer skin layer 11 has strength to safely protect the wearer's head, It may be formed of a polycarbonate (PC) material that has excellent physical properties such as impact resistance, durability, and weather resistance and at the same time can reduce the weight of a foldable helmet formed therefrom.

In addition, the outer skin layer 11 may be composed of a plurality of separate blocks 11', and the inner side of the upper block 11' among the blocks 11' constituting the outer layer is the BOA (BOA). ) The wire member 210 constituting the system 200 may be provided. In addition, each block 11' constituting the outer skin layer 11 has an inclined surface, and the outer surface of the cell 10 composed of the block 11 is curved, so that impact resistance can be improved.

In addition, the shock absorbing layer 13 constituting each of the plurality of cells 10 forms an inner surface layer of the helmet part 100 constituting the foldable helmet, and the shock absorbing layer 13 absorbs external impact, thereby In order to safely protect the head of the wearer wearing the foldable helmet, it can be formed of an expandable polystyrene (EPS) material that has excellent impact resistance, economically inexpensive body, and excellent physical properties such as corrosion resistance.

In addition, the shock absorbing layer 13 may be composed of a plurality of separate blocks 13', and protrusions 10a or depressions 10b are formed inside the blocks 11' constituting the shock absorbing layer. It can be. Therefore, as described above, when the left cover 110 and the right cover 120 are folded left and right, the foldable helmet of the present invention has a plurality of cells ( 10) may be formed in a structure in which protrusions 10a or depressions 10b formed in the lower part of the block 13' of the impact absorbing layer 13 are inserted into each other.

In addition, each block 11' constituting the outer skin layer 11 and each block 13' constituting the shock absorbing layer 13 are supported by the connection layer 12 and varied, so that the plurality of cells (10) Each is configured to be bendable. Here, even when the plurality of cells 10 are repeatedly bent, each of the blocks 11' and 13' supported on the upper or lower surface of the connection layer 12 is damaged or damaged. In order to prevent separation, it may be formed of a fabric material having excellent flexibility and durability.

8 shows a BOA system, a front head fixing band, and an occipital fixing band provided inside the foldable helmet according to the present invention, and FIG. 9 shows a perspective view of the occipital fixing band from the inside of the foldable helmet according to the present invention. it did

8 and 9, the foldable helmet according to the present invention adds a frontal fixing band 400 wrapped around the front of the wearer's head inside the left cover 110 and the right cover 120. The front head fixing band 400 is provided inside each of the left cover 110 and the right cover 120 and is selectively inserted into one of a plurality of head circumference adjustment holes 410 spaced apart from each other. A protruding pin (not shown) may be provided.

Here, the wearer rotates the dial member 230 to wind the wire member 210, thereby fitting the circumference of the helmet part 100 to some extent, and then fixing the helmet part 100 additionally. ) When the circumference size of the helmet part 100 is required to be adjusted, one or more protruding pins (not shown) provided on the frontal fixing band 400 are inserted into the head circumference adjusting hole 410 to adjust the circumference size of the helmet part 100. can be precisely adjusted.

As described above, the foldable helmet of the present invention has the front head fixing band 400 so that the wearer can precisely adjust the size of the circumference of the helmet part 100 corresponding to the size of the head of the wearer, thereby providing comfort and convenience when wearing the helmet. You can feel a sense of stability.

Meanwhile, in a state in which the length of the frontal fixing band 400 has been adjusted, the wearer rotates the dial member 230 of the BOA system 200 by simply rotating the left cover 110 and the right cover ( 120) into a hemispherical shape and the work of fixing the circumference of the helmet part 100 can be performed simultaneously, so that the foldable helmet can be conveniently used.

In addition, the foldable helmet according to the present invention may further include an occipital fixing band 500 wrapped around the rear part of the wearer's head inside the left cover 110 and the right cover 120, and the dial member When the wire member 210 is wound by rotating the 230 in one direction, the cells disposed on the left and right sides of the BOA system 200 respectively attach the left and right sides of the occipital region fixing band 500 to the occipital region. By pressing in the direction, the occipital fixing band 500 may be configured to be supported in close contact with the occipital region.

Here, the back of the head fixing band 500 is provided inside the cell 10 disposed on the left and right sides of the dial member 230 constituting the BOA system, and is disposed near the wearer's back of the head region, or Among the blocks 11 constituting the cell 10 disposed on the left and right sides of the dial member 230, the wire member 210 is the lowest block 11s provided at the rear of the helmet. It can be configured to penetrate the inside.

Therefore, in one embodiment, when the dial member 230 is pressed and then rotated in the first direction d1 (see FIG. 2), the wire member 210 penetrating the inside of the cell 10 provided at the upper left and right sides ) is wound, and accordingly, as the pair of lowermost blocks 11s provided on the left and right rear parts are gathered in the center inward direction, the pair of blocks 11s presses the back of the head fixing band 500 to the wearer's back of the head. It can be configured to be in close contact with.

On the other hand, the back of the head fixing band 500 is made of a cushiony fabric or fabric in order to more safely protect the wearer's head from external shocks inside the left cover 110 and the right cover 120. It may be made of silicone material or the like. In this case, the occipital region fixing band 500 is connected to one surface of the frontal region fixing band 400 to additionally play a role of protecting the wearer's frontal region.

10 is an exploded perspective view of a BOA system and an occipital fixing band provided in the foldable helmet shown in the present invention, and FIG. 11 is a foldable helmet according to the operation of the BOA system in the foldable helmet according to the present invention. It shows how the circumference of the helmet is tightened.

As shown in FIG. 10, the BOA system constituting the foldable helmet according to the present invention includes a dial member 230; a wire reel member 231 rotatably connected coaxially with the dial member 230 and winding or unwinding the wire member 210; It may be configured to include a fixing plate 233 for supporting and fixing the wire reel member 231 to the lower plate 235a of the dial housing 235. A wire hole 235h through which the wire member 210 passes may be provided at an upper end of the dial housing 235 .

FIG. 11 shows how the circumference of the foldable helmet is tightened according to the rotational motion of the dial member 230 constituting the BOA system shown in FIG. 10 . Specifically, FIG. 11 (a) shows a basic state in which the foldable helmet of the present invention is unfolded, and FIG. 11 (b) shows the circumference of the helmet by rotating the dial member 230 in the unfolded state of the foldable helmet of the present invention. It is reduced in size.

10 and 11, when the dial member 230 of the BOA system of the present invention is pressed and rotated in one direction, the wire reel member 231 rotates in the rotation direction of the dial member 230 Rotates in the same direction as the dial housing 235, and the wire member 210 passing through the dial housing 235 is wound and pulled in the direction of entering the dial housing 235, and a pair provided at the rear of the left cover and the right cover, respectively. The lowermost block 11s of is gathered inward, and accordingly, the foldable helmet can be transformed into a hemispherical shape as a whole. At the same time, it is possible to firmly tighten the circumference of the helmet part 100 by pressing the back of the head fixing band 500 .

On the other hand, in a state in which the dial member 230 is pulled, the wire member 231 in a pulled state by the wire reel member 231 is loosened, and when the dial member 230 is rotated in another direction, the wire member As the 231 is released in the direction in which it is withdrawn from the dial housing 235, the distance between the pair of lowermost blocks 11s provided on the left and right rear parts increases, and the circumference of the helmet part 100 becomes large. It can be configured to be deformed or folded.

As shown in FIG. 11 (a), when the wearer's head is relatively large, the distance between the pair of lowermost blocks 11s provided on the left and right rear parts is sufficiently increased by unscrewing the wire member 231. Even in the basic state, the circumference of the helmet part 100 is small, so it is possible to complain of discomfort. In this case, the helmet part 100 is inserted in the farthest hole among the plurality of head circumference adjustment holes 410 by inserting a protruding pin (not shown) provided in the frontal fixing band 400. It is possible to sufficiently increase the size of the circumference of .

On the other hand, as shown in FIG. 11(b), when the wearer's head is relatively small, when the dial member 230 is pressed and rotated in one direction, a pair of lowermost blocks 11s provided on the left and right rear parts respectively. ) Is further tightened inward, or a protruding pin (not shown) provided in the aforementioned frontal fixing band 400 is inserted into a hole disposed closest to the plurality of head circumference adjusting holes 410. Since the size of the circumference of the helmet part 100 can be sufficiently reduced, there is an advantage in that the size of the helmet can be smoothly adjusted in response to the shape of the wearer's head.

Although this specification has been described with reference to preferred embodiments of the present invention, those skilled in the art can variously modify and change the present invention within the scope not departing from the spirit and scope of the present invention described in the claims described below. will be able to carry out Therefore, if the modified implementation basically includes the elements of the claims of the present invention, all of them should be considered to be included in the technical scope of the present invention.

100: helmet part
110: left cover
120: right cover
200: BOA system
210: wire member
230: dial member

Claims (8)

a left cover and a right cover that can cover the left and right sides of the wearer's head, include a plurality of bendable cells, and have upper ends of at least one of the plurality of cells connected to each other; and
It includes a BOA system that deforms the plurality of cells so that the left cover and the right cover can be unfolded or folded,
The BOA system includes a wire member that penetrates the inside of an upper end of at least two or more cells among a plurality of cells constituting the left cover and the right cover, respectively, and is connected as one as a whole; and a dial member capable of unfolding the left cover and the right cover by winding the wire member or folding the left cover and the right cover by unwinding the wire member. According to claim 1,
The dial member is rotatable in only one direction in a pressed state, and when rotated in the one direction, the wire member is wound and bent to bend a plurality of cells constituting the left cover and the right cover, respectively, so that the left cover and the right The cover can be opened,
The dial member is rotatable in both directions in a pulled state, and when rotated in the other direction, the wire member is released to unfold a plurality of bent cells constituting the left cover and the right cover, respectively, so that the left cover and the A folding helmet characterized in that the right cover can be folded. According to claim 1 or 2,
The plurality of cells constituting the left cover include protrusions or depressions on the inside,
The foldable helmet, characterized in that, the plurality of cells constituting the right cover include a recess into which a protrusion is inserted or a protrusion inserted into the recess. According to claim 1 or 2,
Inside the left cover and the right cover, a front head fixing band that wraps around the front of the wearer's head is further included,
The front head fixing band is provided with one or more protruding pins provided on the inside of each of the left cover and the right cover and selectively inserted into one of a plurality of holes for adjusting the head circumference spaced apart from each other, characterized in that, the folding helmet . According to claim 1 or 2,
The left cover and the right cover further include an occipital fixing band that wraps around the rear of the wearer's head,
When the dial member is rotated in one direction to wind the wire member, the cells disposed on the left and right sides of the boa system press the left and right sides of the occipital fixing band in the occipital direction, so that the occipital fixing band adheres to the occipital region. A folding helmet characterized in that it is supported. According to claim 1 or 2,
Each of the plurality of cells constituting the left cover and the right cover each includes an outer skin layer, an inner shock absorbing layer, and a connection layer between the outer skin layer and the shock absorbing layer,
The outer skin layer and the shock absorbing layer are formed of a plurality of separated blocks, and the plurality of separated blocks are supported by the connection layer to be variable, so that each of the plurality of cells can be bent. According to claim 6,
The shock absorbing layer is formed of an expandable polystyrene material, and the connection layer is formed of a fabric material. According to claim 1 or 2,
A folding helmet, characterized in that it further comprises a chin support strap for supporting the wearer's chin.