KR102458517B1 - Foldable helmet and method for manufacturing thereof - Google Patents

Abstract

Disclosed is a foldable helmet including a shell assembly in which an interior material damping the vibration caused by an impact and a shell protecting a head from the impact are integrally formed. The shell assembly includes a plurality of shell assembly pieces, and coupling means connecting the plurality of shell assembly pieces to each other. According to the present invention, since the volume of both an exterior material and the interior material constituting the helmet can be reduced, the helmet can be carried in a compact form.

Description

FOLDABLE HELMET AND METHOD FOR MANUFACTURING THEREOF

The present invention relates to a foldable helmet and a method for manufacturing the same, and more particularly, to a foldable helmet and a method for manufacturing the same, in which a hard shell integral with a buffering means is connected through a wire.

In general, when using personal mobility devices such as bicycles, inline skates, electric wheels, electric kickboards, and motorcycles, a helmet, which is essentially a protective equipment, is worn on the head.

Wearing a helmet protects the wearer's head from various safety accidents and accidents that occur in the process of enjoying sports, and absorbs shock or friction applied to the wearer's head when a safety accident occurs to protect the head and reduce injuries. it is for

Recently, as the amendment of the Road Traffic Act with stricter penalties related to electric kickboards was implemented, a helmet, or a helmet, has become a must when riding a personal mobility device such as an electric kickboard.

The helmet is composed of an exterior material having a hemispherical shape substantially following the shape of the head and an interior material installed in the exterior material to surround the wearer's head. Here, for the exterior material, a hard synthetic resin material having adequate strength and enduring impact is manufactured through a suitable injection process, and the interior material is manufactured using a foamable resin material or other materials excellent in shock absorption.

The helmet may include a helmet body worn on the head and a chin strap provided on both sides of the helmet body, and the helmet body may be worn on the head and tied with a chin strap.

At this time, since most chinstraps are manufactured by being integrally coupled to the helmet body, even if the chinstrap becomes dirty while using the helmet for a long time, it is difficult to separate and wash the chinstrap. .

In the case of a helmet according to the prior art, there is a problem in that it is difficult to conveniently carry it because it has a certain size due to a helmet body composed of an exterior material formed in a hemispherical shape and an interior material installed therein.

In addition, in the case of the helmet according to the prior art, since the size of the helmet that can be used according to the size of the wearer's head is standardized, it cannot be used when the wearer's head size is different, and there is a problem that it is difficult to wear the helmet in close contact.

Therefore, when wearing a helmet, it is possible to protect the wearer from external shocks as much as possible, to solve the hygiene problem with good ventilation, to separate the helmet body and the chin strap, and to adjust the size according to the size of the wearer's head. However, there is an urgent need for a technology that is practical and applicable to a helmet that can be conveniently carried.

As a technology related to the present invention, the design disclosed in Korean Utility Model Publication No. 20-2008-0006624, is characterized by detachable ear protectors, but has a problem in that it is still inconvenient to carry due to its large volume.

KR Public Utility Model No. 20-2008-0006624 (released on Dec. 31, 2008)

One problem to be solved by the present invention is to provide a foldable helmet that is easy to carry and a method for manufacturing the same.

One problem to be solved by the present invention is to provide a foldable helmet capable of reducing the volume of both an exterior material and an interior material constituting the helmet, and a method for manufacturing the same.

One problem to be solved by the present invention is to provide a foldable helmet and a method for manufacturing the same, since the interior material and the exterior material of the helmet are integrated, and the manufacturing convenience is high.

One problem to be solved by the present invention is to provide a helmet in which the size of the helmet can be adjusted according to the size of the head, and a method of manufacturing the same.

One problem to be solved by the present invention is to provide a helmet including a hard shell and a method for manufacturing the same, which is foldable and does not deviate from the manufacturing regulations of the helmet.

A foldable helmet according to an embodiment of the present invention includes a shell assembly in which an interior material for damping vibration caused by impact and a shell for protecting the head from impact are integrally formed, The shell assembly may be configured to include a plurality of shell assembly pieces and further include coupling means for connecting the plurality of shell assembly pieces to each other.

In addition, the coupling means may be configured to include a hinge that can connect the shell assembly pieces to each other from the time the shell assembly is formed.

In addition, the shell assembly piece, at least one main shell assembly piece (main shell assembly piece) disposed at a position corresponding to the crown; and a plurality of sub-shell assembly pieces arranged symmetrically about the main shell assembly piece.

In addition, the shell assembly pieces may be connected to each other spaced apart by the coupling means to enable folding/unfolding.

In addition, the shell assembly piece includes a main shell assembly piece and a plurality of sub-shell assembly pieces symmetrically disposed about the main shell assembly piece, and the coupling means connects the sub-shell assembly piece to the main shell assembly piece. The hinge may be configured to include a hinge.

In addition, the plurality of shell assembly pieces include a main shell assembly piece and a plurality of sub-shell assembly pieces symmetrically disposed about the main shell assembly piece, and the coupling means includes a wire connecting the sub-shell assembly pieces to each other. can be configured to include.

In addition, the foldable helmet may be configured to further include a lock device for controlling unlocking/locking of the wire.

In addition, the foldable helmet may be configured to further include a distance adjusting means for adjusting the distance between the plurality of shell assembly pieces by adjusting the length of the coupling means.

Further, the shell assembly piece may be configured to include mutually engageable protrusions and grooves formed on the edges of the pieces adjacent to each other.

In addition, the coupling means may be configured to penetrate the inside of the side of the shell assembly piece to connect the shell assembly pieces to each other.

In addition, the coupling means passes through the inside from the side of the shell assembly piece to connect the shell assembly pieces to each other, and a through hole is formed in some of the shell assembly pieces, so that the coupling means has a length through the through hole. It can be configured to be adjustable.

In addition, the shell assembly piece may be configured to form a plurality of ventilation holes on the surface.

A method of manufacturing a foldable helmet according to an embodiment of the present invention includes the steps of designing by separating a plurality of shells that protect a head from impact, and manufacturing a plurality of shell pieces based on the design; Manufacturing a main shell assembly piece and a sub-shell assembly piece connected to each other by a coupling means among a plurality of shell assembly pieces in which an interior material for damping vibration caused by impact is coupled to the inner surface of the shell piece ; creating a through hole for coupling between the sub-shell assembly pieces in a side surface of the sub-shell assembly piece; and passing a wire between the through holes so that the sub-shell assembly pieces are coupled to each other.

In addition, the method of manufacturing the foldable helmet may be configured to further include attaching a lock device for controlling loosening/tightening of the wire to the helmet.

Specific details of other embodiments are included in "Details for carrying out the invention" and attached "drawings".

Advantages and/or features of the present invention, and methods for achieving them, will become apparent with reference to various embodiments described below in detail in conjunction with the accompanying drawings.

However, the present invention is not limited to the configuration of each embodiment disclosed below, but may also be implemented in a variety of different forms, and each embodiment disclosed herein only makes the disclosure of the present invention complete, It is provided to fully inform those of ordinary skill in the art to which the scope of the present invention belongs, and it should be understood that the present invention is only defined by the scope of each of the claims.

According to the present invention, since it is foldable, it is easy to carry the helmet.

In addition, modularization of parts is possible by integrating the interior and exterior materials of the helmet.

In addition, it is easy to switch between folding and unfolding of the helmet through the wire tightening device.

In addition, while complying with the industrial product regulations of the helmet, a folding helmet can be implemented.

1 is an exemplary view of the appearance of a foldable helmet according to an embodiment of the present invention.
2 is an exemplary view of an inner tube of a foldable helmet according to an embodiment of the present invention.
3 is a plan view of a foldable helmet according to an embodiment of the present invention.
4 is an exemplary view of the appearance of the open state of the foldable helmet according to an embodiment of the present invention.
5 is a perspective view of a foldable helmet according to an embodiment of the present invention.
6 is a folded state diagram of a foldable helmet according to an embodiment of the present invention.
7 is an exemplary view of a through hole according to an embodiment of the present invention.
8 is an exemplary view of a through hole according to an embodiment of the present invention.
9 is an exemplary view of a through hole according to an embodiment of the present invention.
10 is an exemplary view of the inner tube of the foldable helmet in an open state according to an embodiment of the present invention.
11 is a flowchart of a method of manufacturing a foldable helmet according to an embodiment of the present invention.

Before describing the present invention in detail, the terms or words used herein should not be construed as being unconditionally limited to their ordinary or dictionary meanings, and in order for the inventor of the present invention to describe his invention in the best way It should be understood that the concepts of various terms can be appropriately defined and used, and further, these terms or words should be interpreted as meanings and concepts consistent with the technical idea of the present invention.

That is, the terms used in this specification are only used to describe preferred embodiments of the present invention, and are not used for the purpose of specifically limiting the content of the present invention, and these terms represent various possibilities of the present invention. It should be noted that the term has been defined with consideration in mind.

Also, in this specification, it should be understood that, unless the context clearly indicates otherwise, the expression in the singular may include a plurality of expressions, and even if it is similarly expressed in plural, it should be understood that the meaning of the singular may be included. .

In the case where it is stated throughout this specification that a component "includes" another component, it does not exclude any other component, but further includes any other component unless otherwise indicated. It could mean that you can.

Furthermore, when it is described that a component is "exists in or is connected to" of another component, this component may be directly connected or installed in contact with another component, and a certain It may be installed spaced apart by a distance, and in the case of being installed spaced apart by a certain distance, a third component or means for fixing or connecting the corresponding component to another component may exist, and now It should be noted that the description of the components or means of 3 may be omitted.

On the other hand, when it is described that a certain element is "directly connected" or "directly connected" to another element, it should be understood that the third element or means does not exist.

Likewise, other expressions describing the relationship between components, such as "between" and "immediately between", or "adjacent to" and "directly adjacent to", have the same meaning. should be interpreted as

In addition, if terms such as "one side", "other side", "one side", "other side", "first", "second" are used in this specification, with respect to one component, this one component is It is used to be clearly distinguished from other components, and it should be understood that the meaning of the component is not limitedly used by such terms.

In addition, in this specification, terms related to positions such as "upper", "lower", "left", "right", etc., if used, should be understood as indicating a relative position in the drawing with respect to the corresponding component, Unless an absolute position is specified for their position, these position-related terms should not be construed as referring to an absolute position.

In addition, in this specification, in specifying the reference numerals for each component of each drawing, the same component has the same reference number even if the component is indicated in different drawings, that is, the same reference is made throughout the specification. The symbols indicate the same components.

In the drawings attached to this specification, the size, position, coupling relationship, etc. of each component constituting the present invention are partially exaggerated, reduced, or omitted for convenience of explanation or in order to sufficiently clearly convey the spirit of the present invention. may be described, and thus the proportion or scale may not be exact.

In addition, in the following, in describing the present invention, a detailed description of a configuration determined that may unnecessarily obscure the subject matter of the present invention, for example, a detailed description of a known technology including the prior art may be omitted.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the related drawings.

1 is an exemplary view of the appearance of a foldable helmet according to an embodiment of the present invention.

Referring to FIG. 1 , the appearance of a foldable helmet (hereinafter, “foldable helmet”) 100 is depicted. The foldable helmet 100 may be configured to include the shell assemblies 110 and 120 in which an interior material and an exterior material, that is, a shell, are integrally formed.

The exterior material and the interior material may be integrally formed in such a way that the exterior material forms a shell and the interior material fills the shell. The shell assembly in which the exterior material and the interior material are combined may be configured such that the exterior material is exposed on the outside and the interior material is exposed on the inside. The exterior material may extend to the side corresponding to the boundary between the outside and the inside of the shell assembly (110, 120).

The exterior material of the foldable helmet 100 functions to protect the head from external impact. That is, the shell primarily protects the head from external impact. As a material of the shell, plastic, for example, ABS (Acryonitrile Butadiene Styrene, ABS), carbon, for example, polycarbonate (PC) and metal, for example, aluminum, or aluminum alloy may be selectively employed. Since this is an example of a shell material, it is not limited to this material.

The interior material of the foldable helmet 100 functions to attenuate vibration caused by impact.

Since the exterior and interior materials of the traditional helmet 100 are made of heterogeneous materials due to different functions, it is common to follow an independent process.

On the other hand, in the integrated exterior and interior materials included in the foldable helmet 100 , that is, the shell assemblies 100 and 200 , after the exterior material is completed, the finished exterior material is put into the interior material manufacturing process, and the interior material is completed at the same time as the interior material is completed. and a process in which the exterior material is combined and completed. Hereinafter, the detailed manufacturing process will be described in the method invention.

The shell assemblies 110 and 120 may be composed of a plurality of shell assembly pieces. For example, the shell assemblies 110 and 120 may be configured to include a main shell assembly piece 110 and a plurality of sub-shell assembly pieces 120 positioned at the crown of the head when wearing a helmet. 1 depicts six sub-shell assembly pieces 120 . 1 is only an embodiment, fewer or more than six sub-shell assembly pieces 120 may be provided.

The foldable helmet 100 may be configured to include coupling means 130 for connecting a plurality of shell assembly pieces to each other. Referring to FIG. 1 , the main shell assembly piece 11 and the sub-shell assembly piece 120 are connected to each other by a coupling means 130 . Details of the coupling means 130 will be described later.

In addition, the foldable helmet 100 may be configured to include a Y-type chin strap 151 necessary for wearing and a buckle 152 connected thereto.

2 is an exemplary view of an inner tube of a foldable helmet according to an embodiment of the present invention.

Referring to FIG. 2 , the inside of the foldable helmet 100 is depicted. Inside the foldable helmet 100, the inner surface of the shell assembly piece, that is, the interior material 140 is exposed and depicted.

Referring to FIG. 2 , the Y-type chin strap 151 , the buckle 152 and the head circumference strap 153 included in the foldable helmet 100 are depicted.

3 is a plan view of a foldable helmet according to an embodiment of the present invention.

Referring to FIG. 3 , the shell assembly pieces 110 and 120 are at least one main shell assembly piece 110 and the main shell assembly piece 110 disposed at a position corresponding to the crown. It may be configured to include a plurality of sub-shell assembly pieces 121, 122, 123, 124, 125, 126 (sub pieces) that are symmetrically arranged.

Hereinafter, a connection structure of the foldable helmet 100 will be described.

4 is an exemplary view of the appearance of the open state of the foldable helmet according to an embodiment of the present invention.

Referring to FIG. 4 , the shell assembly pieces 110 , 120 connected by coupling means 130 are depicted. Among the six sub-shell assembly pieces 121 to 126 in the unfolded state of the helmet, at least one sub-shell assembly piece 121 is on the front of the head, the other sub-shell assembly piece 124 is on the back, and two The sub-shell assembly pieces 122 and 123 may be disposed on the left side, and the other two sub-shell assembly pieces 125 and 126 may be disposed on the right side.
The coupling means 130 may include two types of coupling means, one is to connect the main shell assembly piece 110 and the sub-shell assembly pieces 121 to 126, and the other is a sub-shell assembly piece. (121~126) is to connect each other.

The coupling means 130 may be configured to include hinges 131 to 136 . The hinges 131 to 136 connect the main shell assembly piece 110 and the sub-shell assembly pieces 121 to 126 with each other, and enable angle adjustment between the two pieces.

5 is a perspective view of a foldable helmet according to an embodiment of the present invention.

Referring to FIG. 5 , a plurality of, for example, six hinges 131 to 136 are symmetrical to each other around the main shell assembly piece 110 , that is, the hinge 131 and the hinge 134 are located in a 180 degree range. , the hinge 132 and the hinge 135 may be positioned in a 180 degree range, and the hinge 133 and the hinge 136 may be positioned in a 180 degree range. Hinges in a 180 degree range may be connected to each other, and furthermore, all six hinges may be connected at the center of the main shell assembly piece 110 . This connection allows the hinge to withstand strong tensile forces without breaking.

The shell assembly pieces may be configured to be spaced apart so that they can be folded/unfolded from each other. For example, the main shell assembly piece 110 and the sub-assembly piece 120 may be disposed to be spaced apart from each other by a predetermined interval.

6 is a folded state diagram of a foldable helmet according to an embodiment of the present invention.

The foldable helmet 100 may be in a folded state as shown in FIG. 6 when carried, and may be maintained in the form of a hemisphere by changing the state as shown in FIG. 1 when worn. This state change may be by adjusting the length of the coupling means 130 for connecting them to each other.

The hinges 131 to 136 are flattened when wearing a helmet, and can be twisted as shown in FIG. 6 so that the sub-shell assembly pieces 121 to 126 can be overlapped as much as possible when the helmet is stored, so they are made of flexible synthetic resin. can be manufactured.

The coupling means 130 may be configured to include a wire 137 interconnecting the sub-shell assembly pieces. Among the coupling means 130 , the hinges 131 to 136 may not have their lengths adjusted, but the wire 137 may be configured to have their lengths adjusted.
The central main shell assembly 110 and the sub-shell assemblies 121 to 126 coupled through the six hinges 131 to 136, and coupled to each other through the wire 137, the hinges 131 to 136 and the wire Since 137 is based on the combined coupling, by overlapping each other like a petal shape or a tornado shape around the main shell assembly 110, the volume during storage can be reduced to the maximum. Moreover, the method of storing a helmet according to an embodiment of the present invention corresponds to an optimal method for reducing the arch-shaped shell to a minimum volume.
When one shell is divided into a plurality of shells, both convenience and functionality of storage must be satisfied. Therefore, the number of shell partitions should be determined based on convenience and functionality. The main shell assembly 110 is located in the center to protect the crown, and six sub-shell assemblies coupled through a hinge can satisfy both convenience and functionality of storage. For example, when the number of sub-shell assemblies is less than 6, storage may be difficult due to a large volume, and when the number of sub-shell assemblies exceeds 6, the functionality of protecting the head may be weak.

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The foldable helmet 100 may be configured to further include a distance adjusting means 161 for adjusting the distance between the plurality of shell assembly pieces by adjusting the length of the coupling means 130 , that is, the wire 137 .

As one of the distance adjusting means 161 , the foldable helmet 100 may be configured to further include a lock device for controlling unlocking/locking of the wire. The fastening device may correspond to a dial lock for tying shoelaces. The tightening device may include a wheel capable of winding a wire through rotation, and a winding release button capable of unwinding the wound wire with one touch.

The coupling means 130 may be configured to pass through the inside at the side of the shell assembly pieces 110 and 120 to connect the shell assembly pieces to each other.

As an embodiment of the coupling means 130, the hinges 131 to 136 penetrate the side surfaces of the main shell assembly piece 110 and the sub-shell assembly piece 120 to form the main shell assembly piece 110 and the sub-shell assembly piece ( 120) may be configured to connect to each other. In a state in which the hinges 131 to 136 are provided, the main shell assembly piece 110 may be formed in the center of the hinges 131 to 136 , and the sub-shell assembly pieces 121 to 126 may be formed at each end of the hinge.

As an embodiment of the coupling means 130 , the wire 137 may be configured to pass through the inner side of the sub-shell assembly 121 to 126 to connect the sub-shell assembly pieces to each other. Through-holes 127 may be formed in the sub-shell assemblies 121 to 126 for the wire to penetrate through the sub-shell assemblies 121 to 126 .

7 is an exemplary view of a through hole according to an embodiment of the present invention.

Referring to FIG. 7 , the through-holes 127 formed in the side surfaces of the sub-shell assemblies 121 and 126 are depicted. The through hole 127 may be formed during a bonding process of the interior material formed inside the sub-shell assembly pieces 121 to 126 , or may be formed after the sub-shell assembly pieces 121 to 126 are completed. The number and position of the through holes 127 is not limited to FIG. 7 , and the position and number may vary.

8 and 9 are exemplary views of a through hole according to an embodiment of the present invention.

The through hole 127 may be formed on the shell assembly piece 121 as shown in FIG. 8 . The through hole 127 may be formed on the shell assembly piece 126 as shown in FIG. 9 . The connection of the wire 137 may vary according to the positions of the cell assembly pieces 121 to 126 . The position and number of the through holes 127 may be formed in consideration of the binding force between the cell assembly pieces 121 to 126 and work convenience.

Some of the shell assembly pieces 110 and 120 are formed with through-holes, so the coupling means may be configured such that its length is adjusted through the through-holes. For example, since a through hole is formed in the sub-shell assembly pieces 121 to 126, the wire 137 may be configured to pass through the through hole in turn to connect the sub-shell assembly pieces 131 to 136 to each other. The wire 137 passing through the through-hole to bind the sub-shell assembly pieces 131 to 136 may be hidden inside or exposed to the outside of the sub-shell assembly pieces 121 to 126 .

The wire 137 may connect the sub-shell assembly pieces 121 to 126 by circulating a plurality of times. Each wire traversing a plurality of times may be connected in parallel to each other. The length center of each wire connected in parallel may be fixed in the sub-shell assembly piece 121 .

The number of sub-shell assembly pieces 121 to 126 may be determined according to the size of the helmet. When the wire 137 is tightly wound, the sub-shell assembly pieces adjacent to each other may be configured to have an edge shape in close contact with each other. Edges in which the adjacent sub-assembly pieces 121 to 126 are in contact with each other may be fitted with each other, that is, a groove may be formed on one edge and a protrusion may be formed on the other edge.

The size and area ratio between the shell assembly pieces 110 and 121 to 126 may be configured differently depending on the shape of the skull for each race and the position of the piece. For example, for a Western-style head with a narrow face width, the shape of the main shell assembly piece 110 is an oval shape with a distance between the two focal points, and the width of the shell assembly pieces 121 and 124 is short, and the shell assembly piece ( 122, 123, 125, and 126 may be formed to have a long width.

The shell assembly pieces 110 and 120 may be configured such that a plurality of ventilation holes 110a are formed on the surface thereof. For example, referring to FIG. 3 , a ventilation hole is formed in the main shell assembly piece 110 at a position that does not interfere with the hinges 131 to 136 . In addition, the sub-shell assembly pieces 121 to 126 are also formed with two ventilation holes formed long in the horizontal direction as shown in FIG. 4 . The shape and number of ventilation holes may be set according to various embodiments.

Referring back to FIG. 2 , the foldable helmet 100 may be configured to include a head circumference strap 152 connected to the hinges 133 and 135 . In addition, a head circumference fastener may be additionally provided to the head circumference strap 153 . The length of the head circumference strap 153 may be adjusted by a head circumference fixture so as to be in close contact with the head circumference according to the size of the skull.

The foldable helmet 100 may be configured to include a Y-type chin strap 151 and a buckle 152 . A replaceable sweat-absorbent removable washable chin pad may be additionally provided on the surface of the buckle 152 in contact with the chin.

Referring back to FIG. 4 , the end of the hinge 134 may be closed in the form of a U-type link. The U-type link-shaped hinge 134 may be designed to include a curved surface in close contact with the back of the head.

10 is an exemplary view of the inner tube of the foldable helmet in an open state according to an embodiment of the present invention.

Referring to FIG. 10 , the interior material 140 formed inside the main shell assembly piece 110 and the sub-shell assembly pieces 121 to 126 is depicted. The interior material may be three-dimensionally designed including irregularities in consideration of the overlap between the pieces in the folded state as shown in FIG. 5 .

11 is a flowchart of a method of manufacturing a foldable helmet according to an embodiment of the present invention.

Referring to FIG. 11 , the method for manufacturing a foldable helmet (hereinafter, “a method for manufacturing a foldable helmet”) according to an embodiment of the present invention includes a step of designing and manufacturing an exterior material (S110), combining the exterior material and the interior material. Manufacturing the shell assembly piece (S120), forming a through hole in the shell assembly piece (S130), coupling the shell assembly pieces to each other (S140), and attaching the tightening device to the helmet 100 (S150) It may be configured to include
Manufacturing the shell assembly piece ( S120 ) may include inserting a hinge between the shell piece and the interior material and compressing the shell piece and the interior material in a state in which the hinge is inserted to form the shell assembly piece.

First, the shape of the shell corresponding to the exterior material may be designed. The shell may be designed to be separated into a plurality of shell pieces. A shell piece may be manufactured based on the designed shell piece. Various materials such as synthetic resin, carbon, and metal may be selected as the material of the shell piece.

Next, a manufacturing process of a shell assembly piece in which an interior material is coupled to the manufactured shell piece may be followed (S120). As the interior material, a cushioning synthetic resin, for example, expanded polystyrene (EPS) known as styrofoam may be used to absorb vibration.

The shell assembly piece, when the shell piece is disposed on one side, the EPS interior material is disposed on the other side, and the hinges 131 to 136 are disposed among the coupling means between them, compression molding is performed by applying pressure and heat from one side and the other side. can be manufactured through And from the coupling process as depicted in FIG. 4 , the main shell assembly piece 110 and the sub-shell assembly pieces 121 to 126 may be manufactured in a state coupled by a coupling means, that is, the hinges 131 to 136 .

Next, a through hole for coupling between the sub-shell assembly pieces 121 to 126 may be created in a side surface of the sub-shell assembly piece (S130). Referring to FIG. 4 , the sub-shell assembly pieces 121 to 126 may be connected with a wire through a through hole. However, through-hole formation (S130) may be included in step S120. For example, after a device for forming a hole in the interior material before the compression molding process, the hole may be formed by compression molding.

Next, the sub-shell assembly pieces may be coupled to each other by passing the wire 137 between the through holes (S140). The wire 137 serves to adjust the folding/unfolding of the sub-shell assembly as one of the coupling means 130 .

Additionally, a lock device for controlling loosening/tightening of the wire may be attached to the helmet (S150). In order to conveniently perform the loosening/tightening of the wire, the end of the wire may be loosened or tightened using a tightening device. As the fastening device, a device used to tie shoelaces (lace lock device) may be used.

As described above, according to an embodiment of the present invention, since it is foldable, it is easy to carry the helmet.

In addition, modularization of parts is possible by integrating the interior and exterior materials of the helmet.

In addition, it is easy to switch between folding and unfolding of the helmet through a wire tightening device.

In addition, while complying with the industrial product regulations of the helmet, a folding helmet can be implemented.

In the above, although several preferred embodiments of the present invention have been described with some examples, the descriptions of various various embodiments described in the "Specific Contents for Carrying Out the Invention" item are merely exemplary, and the present invention Those of ordinary skill in the art will understand well that the present invention can be practiced with various modifications or equivalents to the present invention from the above description.

In addition, since the present invention can be implemented in various other forms, the present invention is not limited by the above description, and the above description is intended to complete the disclosure of the present invention, and is generally It should be understood that this is only provided to fully inform those with knowledge of the scope of the present invention, and that the present invention is only defined by each of the claims.

100: foldable helmet
110: main shell assembly piece
120: sub-shell assembly piece
127: through hole
130: coupling means
131 to 136: hinge
137: wire
161: tightening device

Claims (14)

a plurality of shell assembly pieces; and
and coupling means for connecting the plurality of shell assembly pieces to each other;
The plurality of shell assembly pieces include one main shell assembly piece and six or more sub-shell assembly pieces,
The shell assembly piece comprises an interior material and a shell piece integrally formed,
The interior material attenuates vibration caused by impact, and the shell piece protects the head from impact,
The coupling means is
a hinge connecting the sub-shell assembly piece to the main shell assembly piece; and
a wire interconnecting the sub-shell assembly pieces;
The hinge is inserted between the interior material and the shell piece during compression molding of the shell assembly piece in which the shell piece and the interior material are integrally formed, and twisted so that the sub-shell assembly pieces can be superimposed on each other in a folded state It is made of a flexible material that can be
The sub-shell assembly piece may be superimposed on each other like a petal shape or a tornado shape around the main shell assembly piece in a folded state, and in an unfolded state, at least one on the front of the head, the back configured to be placed one on each side, and two on each side,
foldable helmet. delete The method according to claim 1,
The main shell assembly piece is disposed at a position corresponding to the crown,
wherein the sub-shell assembly piece is configured to be symmetrically disposed about the main shell assembly piece,
foldable helmet. The method according to claim 1,
The main shell assembly piece and the sub-shell assembly piece,
Connected to be spaced apart by the hinge to enable mutual folding/unfolding,
foldable helmet. delete delete The method according to claim 1,
configured to further include a lock device for regulating unlocking/locking of the wire;
foldable helmet. The method according to claim 1,
configured to further include a distance adjusting means for adjusting the distance between the sub-shell assembly pieces by adjusting the length of the wire,
foldable helmet. The method according to claim 1,
The sub-shell assembly piece,
configured to include mutually engageable protrusions and grooves formed on edges of adjacent pieces;
foldable helmet. The method according to claim 1,
The hinge is
configured to connect the main shell assembly piece and the sub-shell assembly to each other by penetrating the inside from the side of the shell assembly piece,
foldable helmet. The method according to claim 1,
A through hole is formed in the sub-shell assembly piece, and the wire is configured to have a length adjusted through the through hole,
foldable helmet. The method according to claim 1,
The shell assembly piece is configured to have a plurality of ventilation holes formed on its surface,
foldable helmet. Designing a shell that protects the head from impact by dividing it into a plurality of shell pieces including one main shell piece and six or more sub-shell pieces; and
manufacturing a plurality of shell assembly pieces in which a main shell assembly piece and a sub-shell assembly piece in a form in which the plurality of shell pieces are coupled with an interior material for damping vibration due to impact are coupled to each other through a hinge;
creating a through hole for coupling between the sub-shell assembly pieces in a side surface of the sub-shell assembly piece; and
and passing a wire through the through hole to couple the sub-shell assembly pieces to each other,
The manufacturing of the plurality of shell assembly pieces comprises:
inserting a hinge between the shell piece and the interior material; and
Comprising the step of compressing the shell piece and the interior material in a state in which the hinge is put, forming the shell assembly piece,
The sub-shell assembly piece may be superimposed on each other like a petal shape or a tornado shape around the main shell assembly piece in a folded state, and in an unfolded state, at least one on the front of the head, the back One on each side, and two on each side,
The hinge is composed of a flexible material that can be twisted so that the sub-shell assembly pieces can be superimposed on each other in a folded state,
A method for manufacturing a foldable helmet. 14. The method of claim 13,
configured to further include attaching a lock device to the helmet that controls the loosening/tightening of the wire.
A method for manufacturing a foldable helmet.

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