JPH0577218U - Helmet - Google Patents

Abstract

(57) [Abstract] [Purpose] At the ends of a plurality of suspension bands that extend from the plate-shaped portion of the hammock that supports the head of the helmet wearer, a mounting piece that is detachably attached to the inside of the cap is provided. In a helmet in which a size band having an adjustable circumference is supported by some of all attachment pieces, the size band is elastically held in a substantially central portion of the cap body. [Configuration] mounting piece 27 _1, 27 _2, 27 ₃ is formed of a synthetic resin, as at least a plurality of mounting pieces 27 _1, 27 ₃ of the total mounting piece 27 _1, 27 _2, 27 _3, toward the tip A pair of support arms 3 extending inward of the cap body 12
4 ₁ , 35 ₁ ; 34 ₃ , 35 ₃ are provided in a bifurcated shape, and their supporting arms 34 ₁ , 35 ₁ ; 34 ₃ , 3
5 ₃ of the tip portion, is supported respectively as a possible movement of the size band 16 along its circumferential direction.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 According to the present invention, a hammock that supports the head of a helmet wearer is composed of a dish-shaped portion facing the ceiling surface of the central portion of the cap body with a gap and a plurality of suspension bands extending from the dish-shaped portion. The attachment pieces provided at the end of each suspension band are detachably attached to the inner surface of the cap, and at least a plurality of attachment pieces are attached to the circumference of the helmet according to the head size of the helmet wearer. For helmets with adjustable size bands.

[0002]

[Prior Art]

 Conventionally, such a helmet is already known from, for example, Japanese Utility Model Publication No. 52-81310 and Japanese Utility Model Publication No. 63-135931.

[0003]

[Problems to be solved by the device]

 In the above-mentioned conventional one, the supporting portion is continuously provided to the attachment piece on one side along the circumferential direction of the cap body, and the size band is configured to be supported by each supporting portion so as to be movable along the circumferential direction. .. However, the size band adjusts the circumference 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 approximate 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 of the present invention is to provide a helmet in which a size band is located substantially in the center of the cap body.

[0005]

[Means for Solving the Problems]

 To achieve the above object, according to the present invention, the attachment pieces are made of synthetic resin, and at least a plurality of attachment pieces among all the attachment pieces are provided with a pair of inwardly extending cap bodies toward the tip. The support arms are provided in a bifurcated shape, and size bands are supported at the tips of the support arms so as to be movable in the circumferential direction.

[0006]

【Example】

 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 an 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. Fig. 4 is an enlarged cross-sectional view taken along line 4-4 of Fig. 1, Fig. 5 is a vertical 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 and 8 are side views showing the rivet, bracket and 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 taken along line 9-9 of FIG. FIG. 10 is a cross-sectional view, and FIG. 10 is a perspective view showing the distal end portion of the support arm.

First, in FIG. 1 to FIG. 5, the cap body 12 of the helmet 11 is formed in a hemispherical shape by a hard reinforced resin, and an opening edge of the cap body 12 is integrally provided with a flange portion 12 a protruding outward. Be done.

The cap body 12 is provided with a pair of chin straps 14 that can be coupled to each other via a coupling cord 13 of which the length is adjustable, and a hammock 15 for receiving a head of a helmet wearer. The size band 16 is detachably attached to the hammock 15.

On both sides of the cap body 12, rivets 17 are provided at positions spaced from the front side of the cap body 12 in order.₁, 17₂, 17₃Are respectively engaged. Ie each rivet 17 ₁ ~ 17₃Is provided with a first locking head portion 18 that engages with the outer surface of the cap body 12 and a second locking head portion 19 having a smaller diameter than the first locking head portion 18 at both ends of the shaft portion 20. The cap body 12 is formed with an insertion hole 21 that prevents the first locking head portion 18 from being inserted but allows the second locking head portion 19 to be inserted.

Referring to FIGS. 6 and 7 together, a bracket 22 is connected to one end of each jaw string 14, respectively. Each of the brackets 22 has a length extending between the rivets 17 ₁ and 17 ₂ , and one end of each jaw 14 is connected to a substantially central portion in the longitudinal direction of each bracket 22. Moreover, locking holes 23 that can be engaged with the rivets 17 ₁ and 17 ₂ are provided at both ends of each bracket 22, and each locking hole 23 has a large-diameter hole 23a on the lower side and an upper hole 23a on the upper side. The small-diameter holes 23b are connected to each other and are formed in a dummy shape. Thus, the large diameter hole 23a has an inner diameter that allows the second locking head 19 of the rivets 17 ₁ and 17 ₂ to be inserted, and the small diameter hole 23b has the shaft portion 20 of the rivets 17 ₁ and 17 _2. Although it can be inserted, it has a smaller diameter than the second locking head 19. Therefore, by pulling down the bracket 22 with the second locking head 19 protruding from the large diameter hole 23a, the shafts ₂₀ of the rivets 17 ₁ and 17 ₂ move to the small diameter hole 23b side, Both ends of the bracket 22 are engaged with the rivets 17 ₁ and 17 ₂ . Brackets 24 are connected to the other ends of both jaw cords 14, respectively, and both brackets 24 have the same engaging structure as the engaging structure of the brackets 22 with the rivets 17 ₁ , 17 ₂ . Is engaged with the rivet 17 ₃ .

The hammock 15 is composed of a dish-shaped portion 25 facing the inner surface of the central portion of the cap body 12 at a distance, and a plurality of, for example, six suspension bands 26 extending from the dish-shaped portion 25. .. Thus, each suspension belt 26 is inserted into the dish-shaped portion 25 by inserting the three strips so that their central portions intersect each other on the upper surface of the dish-shaped portion 25. A pair of rivets 17 that are connected and are attached to the cap body 12.₁, A pair of rivets 17₂And a pair of rivets 17₃Two pieces are respectively extended from the dish-shaped portion 25. Moreover, rivets 17₁Attaching pieces 27 made of synthetic resin to the ends of the two suspension bands 26 corresponding to₁The rivets 17₂Attaching pieces 27 made of synthetic resin to the ends of the two suspension bands 26 corresponding to₂Each fixed with a rivet 17₃Attaching pieces 27 to the ends of the two suspension bands 26 corresponding to ₃ Are fixed respectively.

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 28 a and a lower small diameter hole portion 28 b are connected to each other. A locking step portion 29 is provided on the inner surface side of 27 ₂ around the small diameter hole portion 28b. Thus, the large-diameter hole 28a has an inner diameter that allows the second locking head 19 of the rivet 17 ₂ to be inserted, and the small-diameter hole 28b allows the shaft 20 of the rivet 17 ₂ to be inserted. The diameter is smaller than that of the second locking head 19. Therefore, by pulling up the mounting piece 27 ₂ with the second locking head portion 19 of the rivet 17 ₂ with the end portion of the bracket 22 being engaged, being inserted into the large diameter hole 28 a, the rivet 17 ₂ The shaft portion 20 moves to the side of the small diameter hole portion 28b, the second locking head portion 19 engages with the locking step portion 29, and the end portion of the bracket 22 and the mounting piece 27 ₂ are attached to the cap body via the rivet 17 _2. It will be fixed at 12.

Further mounting piece 27 ₃ that corresponds to the mounting piece 27 ₁ and rivet 17 ₃ corresponding to the rivet 17 _1, respectively the same engagement structure engaging structure to the mounting piece 27 ₂ of the rivet 17 ₂ The attachment piece 17 ₁ and the end of the bracket 22 are fixed to the inner surface of the cap body 12 via the rivet 17 ₁ , and the attachment piece 17 ₃ and the bracket 24 are attached to the cap body 12 via the rivet 17 ₃ . It is fixed on the inner surface.

Referring also to FIG. 8, the size band 16 is formed in a strip shape from a flexible material, for example, a synthetic resin such as polyethylene, and has a circumferential length corresponding to the head size of the helmet wearer. Is adjustable and is fastened in a ring shape. That is, a plurality of adjustment holes 30 are formed at one end in the longitudinal direction of the size band 16 at equal intervals in the longitudinal direction, and the adjustment holes described above are provided at the other end of the size band 16 in the longitudinal direction. A plurality of engagement protrusions 31 that can engage with the selected adjustment holes 30 of the protrusions 30 are provided. 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, 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 to the lower end of the size band 16.

A mounting piece 27 for fixing the hammock 15 to the hat body 12.₁, 27₂, 27₃Of which, mounting piece 27₁A pair of support arms 34 for supporting the size band 16 is provided. ₁ , 35₁Is provided, and the mounting piece 27₃A pair of support arms 34 for supporting the size band 16 is provided.₃, 35₃Is provided. That is, the mounting piece 27₁Includes a support arm 34 extending forward so that the inner side of the cap body 12 is provided toward the tip.₁ And a support arm 35 extending rearward so as to be on the inner side of the cap body 12 toward the tip.₁And are formed integrally with each other in a bifurcated manner, and the mounting piece 27₃The support arm 34 extends forward so that it is on the inner side of the cap body 12 toward the tip.₃And a support arm 35 extending downward so as to be on the inner side of the cap body 12 as it goes toward the tip.₃And are made into a forked shape and are integrally provided.

With reference to FIG. 9 and FIG. 10 together, supporting projections 36 are respectively provided at the tips of the support arms 34 ₁ and 35 ₁ , and the size band 16 supports them. A pair of mounting holes 37 extending in the longitudinal direction are formed to individually engage the protrusions 36. Moreover, 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 each mounting hole 37, the size band 16 is provided with a recess 38 recessed from the inner surface thereof. The holes 37 are provided so as to surround them. Further, a plurality of holes 39 are formed in the peripheral edge of the recess 38 so that the recess 38 can be bent when the support protrusion 36 and the mounting hole 37 are engaged and disengaged to facilitate the engagement and disengagement operation.

The support protrusion 36 includes 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 supporting protrusion 36 is locked to the size band 16 by locking the locking portion 36b at the tip inserted into the mounting hole 37 while bending the concave portion 38 into the concave portion 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 the tips of both supporting arms 34 ₁ , 35 ₃ are moved. Will be supported by.

The support arms 34 ₃ and 35 ₃ are made to have the same structure as the support arms 34 ₁ and 35 ₁ by the support protrusions 40 provided at their tip portions and the mounting holes 41 provided in the size band 16. The size band 16 is supported so as to be movable in the circumferential direction.

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 a collision with the inner surface of the hat 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. bifurcated support arms 3 4 is attached to the attachment piece 27 ₃ attached to the _3, 35 is intended to be supported by _third tip as possible the movement along the circumferential direction, supporting a pair arms 34 _1, 35 ₁ 34 ₃ and 35 ₃ extend inward of the cap body 12 toward the tip side thereof, and the mounting pieces 27 ₁ and 27 ₃ are made of synthetic resin, The support arms 34 ₁ , 35 ₁ ; 34 ₃ , 35 ₃ exert an elastic force that urges the size band 16 toward the inner side of the cap body 12. Since the support arms 34 ₁ , 35 ₁ ; 34 ₃ , 35 ₃ are arranged so as to form a pair at positions spaced apart in the circumferential direction of the cap body 12, the size band 16 is almost the same as the size band 16. It will be held in the central area. Therefore, even if the diameter of the size band 19 changes due to the adjustment of the circumference, the support arms 34 ₁ , 35 ₁ ; 34 ₃ , 35 ₃ are located in the central portion of the cap body 12 while absorbing the change in diameter by bending. The size band can be held, and the hat body 12 is not biased to one side when the helmet is worn.

Although the safety helmet has been described in the above embodiment, the present invention is not limited to the safety helmet, but is attached to the inner surface of the cap provided at the end of the suspension belt extending from the dish-shaped portion of the hammock. It is widely applicable for helmets in which at least a plurality of attachment pieces that can be attached have a size band whose perimeter can be adjusted.

[0023]

[Effect of the device]

 As described above, according to the present invention, the mounting pieces are made of synthetic resin, and at least a plurality of the mounting pieces have a pair of support arms extending inward of the cap body toward the tip. Since the size bands are supported at the distal ends of their supporting arms so as to be movable in the circumferential direction, the size band is supported by the bifurcated supporting arms of the plurality of supporting pieces. It can be elastically held in the center, preventing the cap body from being biased when wearing a helmet, 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.

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 of them 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 ... Dish-shaped 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] 1. A dish-like portion (25) for supporting a head of a helmet wearer, a hammock (15) facing the ceiling surface of a cap body (12) with a space therebetween, and the dish-shaped portion. (2
5) and a plurality of suspension bands (26) extending from
Attachment pieces (2) provided at the end of each suspension band (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 inward 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 ) at the tip of the size band (1
6) Helmets, each of which is supported so as to be movable in the circumferential direction.