JPH0638094Y2 - Helmet - Google Patents

Description

[Detailed description of the device]

[0001]

INDUSTRIAL APPLICABILITY The present invention relates to a hammock for supporting a head of a helmet wearer, a plate-shaped portion facing the ceiling surface of a central portion of the cap body with a space therebetween, and extending from the plate-shaped portion. A plurality of suspension bands that are attached to the head of the helmet wearer are attached to the inner surface of the cap in a detachable manner. The present invention relates to a helmet in which a size band whose circumferential length can be adjusted according to the size of a part is supported.

[0002]

2. Description of the Related Art Conventionally, such helmets have been disclosed, for example, in Japanese Utility Model Publication No. 52-81310 and Japanese Utility Model Publication No. 63-135.
It is already known from, for example, Japanese Patent No. 931.

[0003]

[Problems to be Solved by the Invention]
A support portion is continuously provided to the mounting piece on one side along the circumferential direction of the cap body,
The size band is configured so as to be movable along the circumferential direction and supported by each support portion. However, the size band has its circumference adjusted according to the size of the head of the helmet wearer, and depending on the adjustment of the circumference, the size band is not held in the center of the hat body, and the helmet wear Sometimes the cap body is biased to one side.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a helmet in which the size band is located in the substantially central portion of the cap body.

[0005]

In order to achieve the above object, according to the present invention, the mounting pieces are made of synthetic resin, and at least a plurality of the mounting pieces are capped toward the tip. A pair of support arms extending inwardly of the body are provided in a bifurcated shape, and a size band is supported at the distal ends of the support arms so as to be movable in the circumferential direction.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a safety helmet will be described below with reference to the drawings.

1 to 10 show one embodiment of the present invention. FIG. 1 is a side view of a helmet, FIG. 2 is a vertical side view of the helmet, and FIG. 3 is a bottom view of FIG. Figure 4
4 is an enlarged cross-sectional view taken along line 4-4 of FIG. 1, FIG. 5 is a vertical cross-sectional side view of the helmet with the size band removed, and FIG. 6 is an enlarged view of arrow 6 of FIG. 4 with the sweat stop member removed. 7 is a side view showing the rivet, the bracket, and the mounting piece in a state where they are disengaged, FIG. 8 is a sectional view taken along line 8-8 of FIG. 4, and FIG. 9 is a sectional view taken along line 9-9 of FIG. FIG. 10 is a perspective view showing the tip of the support arm.

First, in FIGS. 1 to 5, the cap body 12 of the helmet 11 is formed in a hemispherical shape with a hard reinforced resin, and the flange 12a protruding outward is integrally provided at the opening edge of the cap body 12.

A pair of jaw strings 14 which can be connected to each other via a connecting cord 13 of which the length can be adjusted, and a hammock 15 for receiving the head of a helmet wearer can be attached to and detached from the cap body 12. The size band 16 is detachably attached to the hammock 15.

On both sides of the cap body 12, rivets 17 ₁ , 17 are provided at positions spaced from the front side of the cap body 12 in order.
₂ , 17 ₃ are engaged respectively. That is, in each of the rivets 17 _{1 to} 17 ₃ , the first locking head 18 that engages with the outer surface of the cap body 12 and the second locking head 19 having a smaller diameter than the first locking head 18 are the shaft portions. The cap body 12 is provided with an insertion hole 21 that prevents insertion of the first locking head portion 18 but allows insertion of the second locking head portion 19. It

Referring also to FIGS. 6 and 7, brackets 22 are connected to one ends of both jaw cords 14, respectively.
Both brackets 22 each have a length extending between the rivets 17 ₁ and 17 ₂ , and one end of each jaw string 14 is connected to a substantially central portion in the longitudinal direction of each bracket 22.
Moreover, rivets 17 ₁ are attached to both ends of each bracket 22,
Locking holes 23 that can be engaged with 17 ₂ are provided respectively, and each locking hole 23 is in the shape of a daruma in which a lower large diameter hole portion 23a and an upper small diameter hole portion 23b are connected to each other. It is formed. Thus, the large-diameter hole 23a has the rivet 1
7 ₁ , 17 ₂ has an inner diameter that allows the second locking head portion 19 to be inserted therethrough, and the small-diameter hole portion 23b has rivets 17 ₁ , 1 2.
The shaft portion 20 of 7 ₂ can be inserted, but the diameter thereof is smaller than that of the second locking head portion 19. Therefore, by pulling down the bracket 22 with the second locking head portion 19 protruding from the large diameter hole portion 23a, the shaft portions 20 of the rivets 17 ₁ and 17 ₂ are moved to the small diameter hole portion 23b side, and the bracket 22
Both ends of the rivets are engaged with the rivets 17 ₁ and 17 ₂ . Further, brackets 24 are connected to the other ends of both jaw cords 14, and the rivets 17 ₃ are attached to both brackets 24 by the same engaging structure as the engaging structure of the brackets 22 with the rivets 17 ₁ , 17 ₂ . Is engaged with.

The hammock 15 has a dish-shaped portion 25 facing the inner surface of the central portion of the hat body 12 with a space therebetween, and the dish-shaped portion 2
5 and a plurality of, for example, 6 suspension bands 26 extending from 5. Thus, each suspension band 26 is inserted into the dish-shaped portion 25 by inserting the three strips so that their central portions cross each other on the upper surface of the dish-shaped portion 25. The pair of rivets 17 ₁ , the pair of rivets 17 ₂ and the pair of rivets 17 ₃ attached to the cap body 12 are extended from the dish-shaped portion 25 so that two of them correspond to each other. Be done. Moreover, mounting pieces 27 ₁ made of synthetic resin are fixed to the ends of the two suspension bands 26 corresponding to the rivets 17 ₁ , and synthetic resins are attached to the ends of the two suspension bands 26 corresponding to the rivets 17 _2. Mounting piece consisting of 27
₂ are fixed to each other, and attachment pieces 27 ₃ are fixed to the ends of the two suspension bands 26 corresponding to the rivets 17 ₃ .

The mounting piece 27 ₂ corresponding to the rivet 17 ₂ is provided with a daruma-shaped locking hole 28 in which an upper large diameter hole portion 28a and a lower small diameter hole portion 28b are connected to each other.
A locking step portion 29 is provided on the inner surface side of the mounting piece 27 ₂ and around the small diameter hole portion 28b. Thus, the large diameter hole 28a is
The rivet 17 ₂ has an inner diameter that allows the second locking head 19 to be inserted therethrough, and the small-diameter hole 28b allows the shaft 20 of the rivet 17 ₂ to be inserted, but has a smaller diameter than the second locking head 19. Is formed. Therefore, the second locking head 19 of the rivet 17 ₂ with the end of the bracket 22 engaged.
The shaft 20 of the rivet 17 ₂ is moved to the side of the small diameter hole 28b by pulling up the mounting piece 27 ₂ with the large diameter hole 28a inserted, and the second locking head 19 is locked by the locking step 29.
, The end of the bracket 22 and the attachment piece 27 ₂ are fixed to the cap body 12 via the rivet 17 ₂ .

Also, a mounting piece 27 corresponding to the rivet 17 _1.
1 and the mounting piece 27 ₃ corresponding to the rivet 17 _3,
Are those each having a similar engaging structure engaging structure to the mounting piece 27 ₂ rivets 17 _2, the mounting piece 17 ₁
The end of the bracket 22 is fixed to the inner surface of the cap body 12 via the rivet 17 ₁ , and the mounting piece 17 ₃ and the bracket 24 are fixed to the inner surface of the cap body 12 via the rivet 17 ₃ .

Referring also to FIG. 8, the size band 16
Is formed of a flexible material, for example, a synthetic resin such as polyethylene, into a band shape, and is fastened in a ring shape with its peripheral length adjustable according to the head size of the helmet wearer. That is, one end of the size band 16 in the longitudinal direction is provided with a plurality of adjusting holes 30 at equal intervals in the longitudinal direction, and the other end of the size band 16 in the longitudinal direction is provided with the adjusting holes 30. Adjusting hole 3 selected from
A plurality of engaging protrusions 31 that can be engaged with 0 are provided in a protruding manner. Further, a pair of locking portions 32 for inserting and locking one longitudinal end portion thereof are integrally provided at the other longitudinal end portion of the size band 16. Further, at the lower end of the size band 16, one side edge of a sweat stopping band member 33 formed in a band shape so as to cover the inner surface of the size band 16 is sewn.

Of the mounting pieces 27 ₁ , 27 ₂ , 27 ₃ for fixing the hammock 15 to the hat body 12, the mounting piece 27 ₁
Is provided with a pair of support arms 34 ₁ , 35 ₁ for supporting the size band 16, and the attachment piece 27 ₃ is provided with a pair of support arms 34 ₃ , 3 for supporting the size band 16.
5 ₃ are provided. That is, the attachment piece 27 ₁ has a support arm 34 ₁ extending forward so as to be on the inner side of the cap body 12 toward the tip, and the cap body 1 toward the tip.
Support arm 35 ₁ extending rearward so as to be on the inner side of 2
And are provided integrally in a bifurcated shape, and the mounting piece 27 ₃ has
A support arm 34 ₃ that extends toward the front of the cap body 12 toward the tip and a support arm 35 ₃ that extends downward toward the end of the cap body 12 are provided. It is bifurcated and provided integrally.

Referring to FIGS. 9 and 10 together, support projections 36 are provided at the tip ends of the support arms 34 ₁ and 35 ₁ , respectively, and the size band 16 is provided with the support projections. A pair of mounting holes 37 extending in the longitudinal direction are formed to individually engage the portions 36. Moreover, each mounting hole 37
In order to prevent the support protrusion 36 from protruding from the inner surface of the size band 16 when the support protrusion 36 is engaged with the
The size band 16 is provided with a recess 38 recessed from the inner surface thereof so as to surround the mounting hole 37. Further, a plurality of holes 39 are formed in the peripheral edge of the recess 38 so that the recess 38 can be flexed when the support protrusion 36 and the mounting hole 37 are disengaged to facilitate the engagement / disengagement operation.

The support protrusion 36 is a shaft portion 36a having a rectangular cross section.
And a disc-shaped locking portion 36b provided at the tip of the shaft portion 36a. The support projection 36 is locked to the size band 16 by locking the locking portion 36 b at the tip inserted into the mounting hole 37 into the recess 38 while bending the recess 38. Thus, the shaft portion 36a is movable along the mounting hole 37, and the size band 16 is movable along the circumferential direction within a restricted range so that both supporting arms 34 ₁ , 35 ₃ can be moved.
Will be supported at the tip of.

Further, the support arms 34 ₃ and 35 ₃ have the support projections 40 respectively provided at their tip portions and the mounting holes 41 provided in the size band 16 so that the support arms 3 3
The size band 16 is supported so as to be movable in the circumferential direction in the same manner as 4 ₁ , 35 ₁ .

Further, at the position corresponding to the inner surface of the front portion of the cap body 12, the size band 16 is provided with a buffer portion 42 for buffering an impact at the time of collision with the inner surface of the cap body 12, on the inner surface side of the front portion of the cap body 12. It is provided so as to project.

Next, the operation of this embodiment will be described. The size band 16 includes the tip portions of the bifurcated support arms 34 ₁ and 35 ₁ provided on the attachment piece 27 ₁ attached to the cap body 12, and the cap body 12. Mounting piece that can be attached to 27 ₃
Is supported by the distal end portions of the bifurcated support arms 34 ₃ and 35 ₃ provided in the.
The pair of support arms 34 ₁ , 35 ₁ ; 34 ₃ , 35 ₃ extend inward of the cap body 12 toward their tip side, and the mounting pieces 27 ₁ , 27 ₃ are made of synthetic resin. Therefore, the support arms 34 ₁ and 35 _{1 are provided respectively} .
34 ₃ and 35 ₃ exert an elastic force that urges the size band 16 toward the inner side of the hat body 12. Moreover, support arm 3
4 ₁ , 35 ₁ ; 34 ₃ and 35 ₃ are arranged so as to form a pair at positions spaced apart in the circumferential direction of the cap body 12, so that the size band 16 is disposed at a substantially central portion of the cap body 12. Will be held. Therefore, even if the diameter of the size band 19 is changed by adjusting the circumference, the support arms 34 ₁ and 35 ₁ ;
34 ₃ and 35 ₃ can hold the size band in the substantially central portion of the cap body 12 while absorbing the change in diameter by bending, and the cap body 12 is not biased to one side when wearing the helmet. Absent.

Although the safety helmet has been described in the above embodiments, the present invention is not limited to the safety helmet, but is provided at the end of the suspension belt extending from the dish-shaped portion of the hammock and can be attached to and detached from the inner surface of the hat. The present invention is widely applicable to a helmet in which a size band whose perimeter is adjustable is supported on at least a plurality of mounting pieces attached to the.

[0023]

As described above, according to the present invention, the mounting pieces are made of synthetic resin, and at least a plurality of mounting pieces out of all the mounting pieces have a pair of members extending inward of the cap body toward the tip. The support arms are provided in a bifurcated shape, and the size bands are supported at the distal ends of the support arms so that the size bands can move in the circumferential direction. The cap can be elastically held in the substantially central part of the cap body, and the cap body can be prevented from being biased when the helmet is worn, despite the adjustment of the circumference of the size band.

[Brief description of drawings]

FIG. 1 is a side view of a helmet.

FIG. 2 is a vertical sectional side view of a helmet.

FIG. 3 is a bottom view taken along the arrow 3 in FIG.

FIG. 4 is an enlarged sectional view taken along line 4-4 of FIG.

FIG. 5 is a vertical sectional side view of the helmet with the size band removed.

FIG. 6 is an enlarged view of arrow 6 in FIG. 4 with a sweat stop member removed.

FIG. 7 is a side view showing a rivet, a bracket, and a mounting piece in a state where the engaged state thereof is released.

8 is a sectional view taken along line 8-8 of FIG.

9 is a sectional view taken along line 9-9 of FIG.

FIG. 10 is a perspective view showing a tip portion of a support arm.

[Explanation of symbols]

12 ... Hat body 15 ... Hammock 16 ... Size band 25 ... Plate-like part 26 ... Suspension band 27 _{1 to} 27 ₃ ... Mounting piece 34 ₁ , 34 ₃ , 35 ₁ , 35 ₃ ... Supporting arm

Claims (1)

[Scope of utility model registration request] A hammock (15) for supporting a head of a helmet wearer has a dish-like portion (25) facing the ceiling surface of the cap body (12) with a space therebetween, and the dish-like portion. (2
5) and a plurality of suspension bands (26) extending from
Attachment pieces (2) provided at the end of each suspension belt (26)
7 _1, 27 _2, 27 ₃₎ of the cap body (12) removably attached to the inner surface, the entire attachment pieces (27 _1, 27 _2, 27 ₃₎ at least a plurality of mounting pieces of the (27 _1, 27 ₃₎ In a helmet in which a size band (16) whose circumferential length can be adjusted according to the head size of the helmet wearer is supported, the attachment pieces (27 ₁ , 27 ₂ , 27 ₃ ) are made of synthetic resin, and At least a plurality of attachment pieces (27 ₁ , 27 ₃ ) among the attachment pieces (27 ₁ , 27 ₂ , 27 ₃ ) have a pair of support arms (34 ₁ ) extending inwardly of the cap body (12) toward the tip. , 35 ₁ ; 34 ₃ , 35 ₃ ) are provided in a bifurcated shape, and their supporting arms (34 ₁ , 35 3
₁ ； 34 ₃ , 35 ₃ ), the size band (1
Helmets characterized in that 6) are supported so as to be movable in the circumferential direction.