JP5507887B2 - Folding safety cap - Google Patents

Description

  The present invention relates to a folding safety cap used, for example, at the time of disaster prevention of earthquakes or fires or at various work.

Conventionally, several types of foldable helmets have been proposed.
For example, as a first type, Patent Document 1 proposes a structure that can be assembled by dividing the helmet body into a plurality of members with the top of the head as the division center.
As a 1st type, as another structure, each member centering on a parietal part can be rotated centering on the axis | shaft provided in the parietal part, and each member is piled up and stored. A configuration has been proposed (for example, Patent Documents 2, 3, and 4).
In addition, as a second type, a configuration in which the respective members are stacked and stored using the positions of the heads on both sides instead of the top of the head as rotation axes has been proposed (for example, Patent Documents 5, 6, and 7). ).
In addition, as a third type, a configuration in which the helmet body is divided into several members on a horizontal plane centering on the top of the head and the members are stored by overlapping these members is proposed (for example, Patent Documents 8 and 9). 10).
Further, as a fourth type, it is composed of two members, a front elastic plate and a rear elastic plate, and in a deployed state at the time of use, the curved state is maintained by utilizing the elastic force of these two members. The structure which becomes a flat state in the folded state which is the time of use is proposed (patent documents 11 and 12).
JP 11-350232 A Japanese Utility Model Publication No. 51-149719 Japanese Utility Model Publication No. 47-36814 JP-A-8-325824 Japanese Utility Model Publication No. 51-135726 Japanese Utility Model Publication No. 54-35784 Utility Model Registration No. 3072978 Japanese Utility Model Publication No. 42-22520 Japanese Utility Model Publication No. 46-6592 JP 2004-84145 A JP 2007-162179 A JP 2008-255548 A

However, in the configurations of the first type to the third type that have already been proposed, the curved shape as a helmet remains in a folded state, so that it is difficult to store or is divided so that the curved shape does not remain. The problem is that the protection function is not sufficient.
In the fourth type, it is flat when folded and it is only divided into two, so it is considered to be excellent in protection function, but the problem is that the area in the folded state increases. There is.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a folded safety cap that has an excellent protective function, is flat when stored, and has a smaller area when folded.

The folding safety cap of the present invention according to claim 1 is a folding safety cap that forms a space that covers the head in the first state and is flat in the second state. One side of the face plate portion is connected by a top bent portion, a side of the front plate portion and a side of the rear plate portion are connected by a side plate portion, and in the first state, The space is formed by the rear plate portion and the pair of side plate portions. In the second state, the front plate portion and the rear plate portion are closely opposed to each other, and the pair of side plate portions are It is arranged between the front plate part and the rear plate part, on the front side bent part formed on the other side of the side of the front plate part, and on the one side of the side of the front plate part. A front unreinforced portion is provided on the side of the rear plate between the formed front side and side reinforcing portions. A rear unreinforced portion is formed between the rear bent portion formed on the other side and the rear side side reinforcing portion formed on the one side of the side of the rear plate, and the side plate The front side and the side of the front plate are connected only at the front bent portion, and the rear side of the side plate and the side of the rear plate are only at the rear bent. It is connected, The side plate part is formed with the side plate bending part .
According to a second aspect of the present invention, in the folding safety cap according to the first aspect, both ends of the chin strap are disposed on the pair of side plate portions.
According to a third aspect of the present invention, in the folding safety cap according to the first or second aspect, the front side other side reinforcement portion is provided on the other side of the front plate portion, and the other side of the rear plate portion is provided. A back surface other side reinforcement part is formed, It is characterized by the above-mentioned.
According to a fourth aspect of the present invention, in the folding safety cap according to any one of the first to third aspects, the front plate portion and the rear plate portion are in a curved state in the first state, and the first The state 2 is a flat state.

  According to the present invention, the front plate portion, the rear plate portion, and the pair of side plate portions can be used as a safety cap by forming a space that covers the head, and the front plate portion and the rear plate portion are closely opposed to each other. In addition, since the flat state is obtained by arranging the pair of side plate portions between the front plate portion and the rear plate portion, the storage property is excellent.

In the folding safety cap according to the first embodiment of the present invention, one side of the front plate portion and one side of the rear plate portion are connected by a top bent portion, and the side of the front plate portion and the side of the rear plate portion are Are connected by a side plate portion, and in the first state, a space is formed by the front plate portion, the rear plate portion, and the pair of side plate portions, and in the second state, the front plate portion and the rear plate portion And a pair of side plate portions disposed between the front plate portion and the rear plate portion, the front bent portion formed on the other side of the side of the front plate portion, and the sides of the front plate portion A front unreinforced portion between the front side side reinforcing portion formed on one side and a rear bent portion formed on the other side on the side of the rear plate portion, and one side on the side of the rear plate portion The rear unreinforced portion is formed between the rear side side reinforcing portion formed on the front side and the front side of the side plate and the side of the front plate are bent forward. Only connected by, the rear sides and the rear surface plate portion side of the side plate portion are connected only by the rear folded portion, the side plate portions, in which side plates bent portion is formed. According to the present embodiment, the front plate portion, the rear plate portion, and the pair of side plate portions can be used as a safety cap by forming a space that covers the head, and the front plate portion and the rear plate portion can be used. Since the flat state is obtained by arranging the pair of side plate portions between the front plate portion and the rear plate portion so that the pair of side plate portions are opposed to each other, the storage property is excellent. Moreover, the operation | movement with a 1st state and a 2nd state can be smoothly performed by providing a front bending part and a back bending part only in the other side. Furthermore, while increasing the strength of the front plate portion and the rear plate portion, it becomes easy to form a curved state in the front unreinforced portion and the rear unreinforced portion, and the fit to the head can be enhanced.
The second embodiment of the present invention is a folding safety cap according to the first embodiment in which both ends of a chin strap are arranged on a pair of side plate portions. According to the present embodiment, the front plate portion is disposed in the frontal region and the rear plate portion is disposed in the rear head portion, so that the protection performance of the frontal head and the rear head can be improved.
In the folding safety cap according to the first or second embodiment, the third embodiment of the present invention is a front other side reinforcement portion on the other side of the front plate portion, and on the other side of the rear plate portion. A rear side other side reinforcement part is formed. According to the present embodiment, the strength of the front plate portion and the rear plate portion can be increased.
According to a fourth embodiment of the present invention, in the folding safety cap according to the first to third embodiments, the front plate portion and the rear plate portion are curved in the first state and flat in the second state. It becomes a state. According to the present embodiment, the state can be adjusted to the head at the time of use, and the storage property is excellent.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a perspective view seen from a side plate portion side of a folding safety cap according to an embodiment of the present invention, FIG. 2 is a perspective view seen from a front plate portion side of the folding safety cap, and FIG. 3 is a perspective view of the folding safety cap. FIG. 4 is a perspective view showing an initial state of folding of the folding safety cap, FIG. 5 is a perspective view showing a further folding state of FIG. 4, and FIG. 6 is a final stage of folding of the folding safety cap. FIG. 7 is a perspective view showing a second state of the folding safety cap.

First, the configuration of the folding safety cap according to the present embodiment will be described with reference to FIGS. 1 to 3. 1 to 3 show the first state.
In the folding safety cap according to this embodiment, one side 10 </ b> A of the front plate part 10 and one side 2 </ b> OA of the rear plate part 20 are connected by the top bent part 30. The parietal bent portion 30 is composed of a pin receiver formed on one side 10A of the front plate portion 10, a pin receiver formed on one side 20A of the rear plate portion 20, and a connecting pin 31 inserted into these pin holders. It is composed. In addition, the parietal bending part 30 may connect one side 10A of the front plate part 10 and one side 20A of the rear plate part 20 by an elastic member. Further, the front plate portion 10 and the rear plate portion 20 are integrally formed of the same material, and the top bent portion 30 is configured by providing flexibility between the front plate portion 10 and the rear plate portion 20. May be. A front side other side reinforcing portion 11 is formed on the other side 10 </ b> B of the front plate part 10. Further, a rear side other side reinforcing portion 21 is formed on the other side 20 </ b> B of the rear plate portion 20. The front other side reinforcing part 11 is configured by bending the other side 10B of the front plate part 10. At this time, the bending of the other side 10B of the front plate part 10 is preferably in the outward direction. Further, the rear side other side reinforcing portion 21 is configured by bending the other side 20B of the rear plate part 20, and the outer direction is also preferable for bending the other side 20B of the rear plate part 20. A front side side reinforcing portion 12 is formed on the side 10A side of the side plate 10C of the front plate portion 10, and a rear side side reinforcing portion 22 is formed on the side 20A side of the side plate 20C of the rear plate portion 20. The front side side reinforcing part 12 is configured by bending a side 10 </ b> C of the front plate part 10. At this time, the side plate 10 is preferably bent in the direction of the side plate 40 for bending the side 10 </ b> C of the front plate 10. In addition, the rear side side reinforcing part 22 is configured by bending the side 20C of the rear plate part 20, and the side plate 40 is also preferably in the direction of bending the side 20C of the rear plate part 20.

The side 10 </ b> C of the front plate 10 and the side 20 </ b> C of the rear plate 20 are connected by the side plate 40. The front side 40 </ b> A of the side plate 40 is connected to the side 10 </ b> C of the front plate 10 by the front bent portion 51, and the rear side 40 </ b> B of the side plate 40 is connected to the rear plate 20 by the rear bent 52. Are connected to the side 20C.
The side plate portion 40 includes a front side plate portion 41 connected to the front bent portion 51, a rear side plate portion 42 connected to the rear bent portion 52, the front side plate portion 41 and the rear side. It is comprised by the side plate bending part 43 which connects the face plate part 42. FIG.
The front bent portion 51 is formed on the other side 10B side of the side 10C of the front plate 10 and the one side 10A side of the front plate 10 and the front side plate 41 are not connected. Further, the rear bent portion 52 is formed on the other side 20B side in the side 20C of the rear plate portion 20, and the one side 20A side of the rear plate portion 20 and the rear side plate portion 42 are not connected.
A front unreinforced portion 13 is formed between the front bent portion 51 and the front side side reinforcing portion 12, and a rear unreinforced portion 23 is formed between the rear bent portion 52 and the rear side side reinforcing portion 22. doing. The front unreinforced portion 13 and the rear unreinforced portion 23 form a curved state in the first state.
Here, the specific structure about the front bending part 51, the back bending part 52, and the side plate bending part 43 is the same as the top bending part 30, and the connection pin inserted in a pin receiver and a pin receiver. In addition to the above, it may be connected by an elastic member.
The side plate bent portion 43 is formed by integrally forming the front side plate 41 and the rear side plate 42 with the same material, and between the front side plate 41 and the rear side plate 42. You may comprise so that it may have flexibility.

With the above configuration, as shown particularly in FIG. 3, in the first state, a space 61 that covers the head is formed by the front plate portion 10, the rear plate portion 20, and the pair of side plate portions 40.
As shown in FIG. 3, the space 61 includes a wearing body 62. The wearing body 62 preferably has a hammock function for maintaining a balance with the cap body constituted by the front plate portion 10, the rear plate portion 20, and the pair of side plate portions 40, and at least a headband. And a chin strap 63. The wearing body 62 may have a function as an impact absorbing liner. Both ends of the chin strap 63 are attached to the wearing body 62 and arranged at positions corresponding to the pair of side surface plate portions 40.
The material of the front plate part 10, the rear plate part 20, and the pair of side plate parts 40 constituting the cap body is a thermoplastic resin such as polycarbonate, polyethylene, acrylonitrile / butane / styrene, or a heat reinforced polyester resin with glass fiber. A curable resin is suitable.

Next, the operation | movement to the 2nd state of the folding safety hat by a present Example is demonstrated using FIGS. 4-7. FIG. 7 shows a second state where the flat state is reached.
By bending the side plate bent portion 43 so as to move to the space 61 side, the front bent portion 51 and the rear bent portion 52 are also bent, and the front side plate portion 41 is close to the front plate portion 10. As described above, the rear side plate portion 42 moves so as to approach the rear plate portion 20.
At this time, it is preferable that the pair of side plate bent portions 43 be arranged in a state where they do not contact each other. In order to prevent the pair of side plate bent portions 43 from coming into contact, the front side plate 41 constituting the one side plate bent portion 43 and the front side plate constituting the other side plate bent portion 43 are provided. This can be realized by making the dimensions different from those of the portion 41, but in this embodiment, it is realized by the torsion of the front plate portion 10 and the rear plate portion 20 and the flexibility of the front bent portion 51 and the rear bent portion 52. ing.
With the above operation, the curved state generated by the front unreinforced portion 13 and the rear unreinforced portion 23 disappears, and in the second state, the front plate portion 10 and the rear plate portion 20 are opposed to each other in a flat state. The pair of side surface plate portions 40 is disposed between the front surface plate portion 10 and the rear surface plate portion 20.

As described above, according to the present embodiment, one side 10A of the front plate 10 and one side 20A of the rear plate 20 are connected by the top bent portion 30, and the side 10C of the front plate 10 and the rear plate 20 are connected. The side plate 20C is connected by the side plate 40, and in the first state, a space 61 is formed by the front plate 10, the rear plate 20, and the pair of side plates 40 in the second state. Then, the front plate portion 10 and the rear plate portion 20 are made to face each other and the pair of side plate portions 40 are disposed between the front plate portion 10 and the rear plate portion 20. Thereby, the front plate portion 10, the rear plate portion 20, and the pair of side plate portions 40 can be used as a safety cap by forming a space 61 that covers the head, and the front plate portion 10, the rear plate portion 20, Are placed close to each other and the pair of side surface plate portions 40 are disposed between the front surface plate portion 10 and the rear surface plate portion 20 so that the flat state is obtained, and thus the storage property is excellent.
Further, according to the present embodiment, by disposing both ends of the chin strap 63 on the pair of side plate portions 40, the front plate portion 10 is arranged on the front head, and the rear plate portion 20 is arranged on the back head. In addition, the protection performance of the forehead and occipital region can be enhanced.
Further, according to the present embodiment, the other side 10B of the front plate portion 10 is formed with the reinforcing portion 11 on the other side of the front surface, and the other side 20B of the rear plate portion 20 is formed with the reinforcing portion 21 on the other side of the rear surface. The strength of the front plate portion 10 and the rear plate portion 20 can be increased.
Further, according to the present embodiment, the front plate portion 10 and the rear plate portion 20 are in a curved state in the first state and in a flat state in the second state, so that the front plate portion 10 and the rear plate portion 20 are in a state matched to the head in use. In addition, it can be stored easily.
Further, according to the present embodiment, the front side 40A of the side plate 40 and the side 10C of the front plate 10 are connected by the front bent portion 51, and the rear side 40B and the rear plate of the side plate 40 are connected. 20 side 20C is connected by the back bending part 52, and since the side plate bent part 43 is formed in the side plate part 40, the side plate part 40 is in the second state when stored. Can be easily disposed between the front plate portion 10 and the rear plate portion 20, and the operations in the first state and the second state can be performed smoothly.
Further, according to this embodiment, the front bent portion 51 is formed on the other side 10C side of the front plate portion 10, and the one side 10A side of the front plate portion 10 and the side plate portion 40 are not connected, and the rear bent portion is formed. By forming the portion 52 on the other side 20B side of the rear plate portion 20 and not connecting the one side 20A side of the rear plate portion 20 and the side plate portion 40, the front bent portion 51 and the rear bent portion 52 can be separated. By providing only the sides 10B and 20B, the operations in the first state and the second state can be performed more smoothly.
Further, according to the present embodiment, the front side side reinforcement portion 12 is provided on the side 10A side of the side plate 10C of the front plate portion 10, and the rear side side reinforcement is provided on the side 20A side of the side plate 20C of the rear plate portion 20. Part 22 is formed, the front unreinforced portion 13 is provided between the front bent portion 51 and the front side side reinforcing portion 12, and the rear unfolded portion 52 is not provided between the rear bent portion 52 and the rear side side reinforcing portion 22. By forming the reinforced portion 23, the strength of the front plate portion 10 and the rear plate portion 20 is increased, and it becomes easy to form a curved state in the front unreinforced portion 13 and the rear unreinforced portion 23, and fits to the head. A feeling can be heightened.

  The folding safety cap of the present invention can be used as a helmet for protecting the head in the event of a disaster such as a fire or an earthquake, a portable helmet used in a simple work site, other driving such as a bicycle, skiing, etc. It can be used as a helmet for safety purposes during sports.

The perspective view seen from the side plate part side of the folding safety cap by one Example of this invention The perspective view seen from the front plate part side of the folding safety cap The perspective view seen from the space side of the folding safety hat The perspective view which shows the initial state of folding of the folding safety hat The perspective view which shows the state further folded from FIG. The perspective view which shows the state near the end of folding of the folding safety hat The perspective view which shows the 2nd state of the folding safety hat

DESCRIPTION OF SYMBOLS 10 Front plate part 11 Front side other side reinforcement part 12 Front side side side reinforcement part 13 Front unreinforced part 20 Rear surface plate part 21 Rear side other side side reinforcement part 22 Rear surface side side reinforcement part 23 Back unreinforced part 30 Head bending Part 40 side plate part 41 front side plate part 42 rear side plate part 43 side plate bent part 51 front bent part 52 rear bent part 61 space 62 wearing body

Claims (4)

A folding safety cap that forms a space that covers the head in the first state and is flat in the second state,
One side of the front plate portion and one side of the rear plate portion are connected by the top bent portion,
The side of the front plate and the side of the rear plate are connected by a side plate,
In the first state,
The space is formed by the front plate portion, the rear plate portion, and the pair of side plate portions, and in the second state,
The front plate portion and the rear plate portion are closely opposed to each other, and the pair of side plate portions are disposed between the front plate portion and the rear plate portion ,
A front unreinforced portion between a front bent portion formed on the other side of the side of the front plate portion and a front side side reinforcing portion formed on the one side of the side of the front plate portion. Between the rear bent portion formed on the other side of the side plate of the rear plate portion and the rear side side reinforcing portion formed on the one side of the side plate of the rear plate portion. Forming a reinforcement,
The front side of the side plate and the side of the front plate are connected only at the front bent portion, and the rear side of the side plate and the side of the rear plate are the rear. It is connected only at the bent part,
A folding safety cap, wherein a side plate bent portion is formed on the side plate portion .   The folding safety cap according to claim 1, wherein both ends of the chin strap are disposed on the pair of side plate portions.   The front side other side reinforcing portion is formed on the other side of the front plate portion, and the rear side other side reinforcing portion is formed on the other side of the rear plate portion. Folding safety cap.   The folding according to any one of claims 1 to 3, wherein the front plate portion and the rear plate portion are in a curved state in the first state and in a flat state in the second state. Safety cap.