JP2810657B2 - Helmet shield mounting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a helmet shield mounting device.

[0002]

2. Description of the Related Art Generally, on a helmet such as a motorcycle helmet, shields are attached to both left and right sides of a helmet body so as to be rotatable vertically by a predetermined angle via a hook member, a screw or the like (eg, a helmet). 1-12
No. 2032). Conventionally, an ear cover that covers both ends of the shield is attached to the helmet body together with the screw, and the shield is moved up and down (opening and closing) in multiple steps by a detent mechanism
It is possible.

[0003]

However, in the above prior art, when the shield is used in rainy weather, fine weather, on-road, off-road, etc., it is necessary to remove screws when replacing the shield, which is extremely troublesome. The disadvantage is that it takes time. SUMMARY OF THE INVENTION The present invention has been made in view of the above situation, and an object of the present invention is to provide a helmet shield mounting apparatus that can easily and quickly replace a shield.

[0004]

According to the present invention, the following technical measures have been taken in order to achieve the above object. That is, according to the present invention, the shield 2 is provided by providing the attachment members 5 on both left and right outer surfaces of the helmet main body 1 and by providing the attachment members 5 with the forked portions 21 formed on both left and right ends of the shield 2. In the helmet mounted to be rotatable at a predetermined angle in the vertical direction and provided with the ear cover 3 for the mounting member 5 and the locking portion 21, the locking portion 21 of the shield 2 is attached to the ear cover 3. An engagement / disengagement operation section 16 which engages / disengages by elastically bending the member 5 in the front and back directions is slit into the ear cover 3.
Provided by forming a 17, engagement de operating unit 16, the shield 2 is a irremovably the shield 2 is opened the locking portion 21 of the shield 2 be operating the engaging and disengaging operation section 16 when in the closed In this case, the engaging portion 16 is provided at a position where the engaging portion 21 of the shield 2 can be detached by operating the engaging / disengaging operation portion 16 (claim 1).

Further, according to the present invention, the engagement / disengagement operation section 16 provided in the ear cover 3 is formed by forming a substantially U-shaped slit 17 in the ear cover 3 so as to be elastically bent in the front and back directions. (Claim 2). Further, the present invention is characterized in that the substantially U-shaped slit 17 is formed by extending vertically from the front side to the rear side of the ear cover 3 (claim 3).

According to the present invention, the locking portion 21 of the shield 2 is released by pushing the engaging / disengaging operation portion 16 of the ear cover 3 in the open state in which the shield 2 is rotated upward, and the shield 2 is released. 2 can be pulled out, and the ear cover 3 is provided with the shield engagement / disengagement operation section 16, so that the operation section 16 is pushed in an open state in which the shield 2 is turned upward without removing the ear cover 3. By moving, the locking portion 21 of the shield 2 can be engaged and disengaged, and the shield 2 can be detached and attached with one touch.

Further, in the closed state where the shield 2 is positioned below (front), the locking portion 21 of the shield 2 cannot be disengaged even if the shield engaging / disengaging operation portion 16 formed on the ear cover 3 is pressed. There is no accidental detachment or falling. Further, the engagement / disengagement operation section 16 formed in the ear cover 3 is formed by forming a substantially U-shaped slit 17, and the upper and lower sides of the slit 17 extend rearward from the front side. 3 can be formed without increasing the area, and therefore, the lateral visibility of the ear cover 3 is not impaired.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. In the drawings, 1 is a helmet body, 2
Is a shield, and 3 is an ear cover. The helmet body 1 is provided with shield mounting shafts 4 projecting symmetrically on the left and right sides thereof and a fitting recess 6 for the mounting member 5 is formed. An arcuate mounting member retaining slit 7 concentric with the axis of the shaft portion 4 is provided in a range that does not restrict the rotation of the mounting member 5, and a moderation mechanism member mounting opening 8 is provided on the lower side. ing.

The shield mounting shaft portion 4 is hollow and has an outer end whose diameter is reduced to form an ear cover locking portion 9 and a rectangular fitting hole portion 10 for inserting an ear cover locking projection. In addition, a locking shaft 12 having a locking projection 11 of the ear cover 3 is detachably fitted and mounted.
An ear cover fixing hole 13 is provided below the concave portion 6 of the helmet body 1.

The ear cover 3 has flexibility, and a fixing pin 14 is provided on the back surface thereof so as to correspond to the fixing hole 13 (see FIG. 9). A recess 1 provided in the fitting recess 5 of the helmet body 1 described later.
5, a shield engaging portion engaging / disengaging operation portion 16 is formed. As shown in FIGS. 6 to 8, the engagement / disengagement operation section 16 is provided by forming a substantially U-shaped slit 17 extending upward and downward from the front side of the ear cover 3 to the rear side so that the rear side remains. On the rear side, a shallow concave groove 18 is provided from the back surface, and elasticity is provided so that the groove 18 is bent in the front and back directions with the groove 18 as a base point. That is, the engagement / disengagement operation portion 16 can be formed by extending the substantially U-shaped slit 17 from the rear side to the front side. However, at this time, the front side of the ear cover 3 needs to be widened. In this embodiment, the deterioration of the image quality is prevented.

Further, the engagement / disengagement operation section 1 of the ear cover 3 is provided.
On the back side of 6, an inclined surface 19 is provided at the edge of the slit 17 side, the engaging and disengaging operation portion 16 is operated smoothly, and a ridge 20 is provided at the end of the locking shaft portion 12 side, At the time of operation, it is configured to securely contact a shield locking portion 29 described later. Further, the front edge of the ear cover 3 is provided with a clearance 3A so as to form a gap between the helmet main body 1 and the helmet main body 1 so that the shield 2 can be rotated within the rotation range of the shield 2.

As shown in FIG. 5, both ends of the shield 2 are narrowed to form bifurcated locking portions 21 and 21. Recess 22,
Reference numerals 22 are provided at symmetrical positions, so that the shield mounting shaft portion 4 of the helmet main body 1 can be fitted between the locking portions 21 so as to be able to be freely inserted and removed. The opening 8 formed in the lower part of the helmet main body 1 has an upper surface (the shield mounting shaft 4 side).
A moderation mechanism member 24 having a corrugated uneven surface 23 is fitted to the surface. The recess 15 is formed deeper than the fitting recess 6 above and behind the opening 8 so that the shield engaging / disengaging operation portion 16 can be provided with a sufficient engaging / disengaging operation stroke.

A notch 25 is provided above the rear end of the retaining slit 7 of the helmet main body 1 so that the mounting member 5 can be easily incorporated. The mounting member 5 has a substantially disk shape and has a shaft hole 26 for fitting to the shield mounting shaft portion 4 at the center, as shown in FIG.
At the front side of the shield 2, L-shaped projections 27, 27 that protrude upward and downward from the side of the shaft hole 26 at the center with respect to the shaft hole 26 are formed, and a projection-like moderation mechanism projection 28 is formed on the lower side. The operation unit 27 is located behind the shaft 4 and
A shield locking portion 29 is formed at an intermediate position between them.

That is, the upper and lower protrusions 27 formed on the mounting member 5 serve as guides for inserting and removing the locking portions 21 of the shield 2 between the protrusions 7 and also position the shield 2. When rotating in the vertical direction, the mounting member 5 rotates together with the mounting shaft 4 around the axis thereof. Further, the shield locking portion 29 is formed integrally with the mounting member 5, but as shown in FIGS. 1 and 3, a locking piece 30 extending in the vertical direction has flexibility (elasticity). A push operation piece 32 is projected from the rear center of the locking piece 30, and the length of the locking piece 30 in the vertical direction is equal to the bottom of the locking recess 22 of the shield 2. The width of the locking piece 30 in the front-rear direction is slightly narrower than the width of the locking recess 22, and the width of the locking piece 3 is reduced.
The two ends of the locking piece 22 are fitted into the locking recesses 22, and the front side of the locking piece 30 is formed with a lower inclined surface 30A on the entry side (the shaft hole 26 side) of the shield 2.

However, at the front position of the shield 2 shown in FIG. 1, only a gap for rotating the mounting member 5 is provided between the back surface of the shield locking portion 29 and the surface of the fitting concave portion 6. The shield locking portion 29 does not move, so that the shield 2 cannot be attached or detached, and the mounted shield 2 does not come off carelessly or naturally.

The rotation range of the mounting member 5, that is, the vertical rotation (open / close) range of the shield 2 is determined by the moderation mechanism member 24.
1 shows the lower limit of the shield, that is, the front position, and FIG. 10 shows the upper limit of the shield, that is, the fully open position. As shown in FIG. 10, in the fully opened position of the shield 2, the shield locking portion 29 of the mounting member 5
Is aligned with the recessed portion 15 of the helmet body 1, matches the engagement / disengagement operation portion 16 of the ear cover 3, and pushes the engagement / disengagement operation portion 16 so that the locking piece 30 The shield 2 can be removed from the locking recess 22.

A stopper 33 is provided on the upper part of the mounting member 5 and corresponds to the slit 7 and is engaged with the outer peripheral back surface. The stopper 33 can be fitted through the notch 25. However, the attachment member 5 is prevented from being easily pulled out, especially at the front position of the shield 2 shown in FIG.

Next, the operation of attaching and detaching the shield 2 in the above embodiment will be described. First, when the shield 2 is mounted, the locking shaft 12 of the ear cover 3 is inserted into the hole 10 of the shield mounting shaft 4 and rotated left or right, and the fixing pin 14 of the helmet main body 1 is rotated. Insert it into the ear cover fixing hole 13 and fix it. Next, the left and right ends locking portions 21 of the shield 2 are inserted between the helmet main body 1 and the ear cover 3 so as to sandwich the shield mounting shaft portion 4 from above and below.
Are inserted as guides. At this time, the locking portion 21 of the shield 2 is
When the locking recess 30 and the two ends of the locking piece 30 match, the locking piece 30 rises and returns due to its elasticity and fits into the locking recess 22. Engage and automatically enter the locked state.

Therefore, the shield 2 is rotated in the direction shown by the arrow B in FIG.
1 is pushed in the direction of arrow B, and the mounting member 5 is rotated together with the resistance of the moderation mechanism member 24, and FIG.
Can be set to the front state of the shield 1 shown in FIG. FIG.
In the state shown in FIG. 7, the shield engaging portion 29 of the mounting member 5 is not located behind the shield engaging / disengaging operation portion 16 of the ear cover 3 as described above.
Is pressed, the locking portion 21 of the shield 2 does not come off the mounting member 5.

When the shield 2 is to be opened, the shield 2 may be pushed up by hand and the degree of opening may be adjusted by a moderation mechanism. So, shield 2
When the shield 2 is replaced, when the shield 2 is pushed up by hand, in this embodiment, the mounting member 5 is rotated together with the projection 27 in the direction shown by the arrow A in FIG. 1 to reach the ascending limit (fully open position). When the state shown in FIG. 10 is reached, the shield locking portion 29 is located in the concave portion 15 and faces the engaging / disengaging operation portion 16 formed in the ear cover 3.

Thereafter, when the engaging / disengaging operation section 16 is pushed toward the helmet main body 1, the shield locking section 29 is fitted into the concave section 15, and at the same time, both ends of the locking section 30 come out of the locking concave section 22 of the shield 2. Since the shield 2 is detached, the shield 2 can be easily removed by pulling the shield 2 obliquely upward while keeping the operation unit 16 pressed. Further, when the shield 2 is mounted, the both ends locking portion 21 of the shield 2 can be locked by one-touch by inserting between the helmet main body 1 and the ear cover 3 as described above.

According to the above embodiment, the shield 2 can be easily and quickly replaced in the fully opened position, and the ear cover 3 is provided with the engagement / disengagement operation section 16, so that the ear cover 3 can be removed with one touch without removing the ear cover 3. The shield 2 can be attached and detached, and furthermore, at the front position of the shield 2, the shield 2 does not come off and does not operate even if the operating section 16 is pressed carelessly, which is extremely safe.

Further, since the upper surface of the locking piece 30 of the shield locking portion 29 is formed as the inclined surface 30A, when the shield 2 is mounted, it can be locked automatically only by inserting the locking portion 21 of the shield 2. it can. In the present invention,
It is sufficient that the locking portion 21 of the shield 2 can be released in a state where the shield 2 is opened by pushing the engaging / disengaging operation portion 16 formed on the ear cover 3, and is not limited to the above embodiment. Absent.

[0024]

As described above in detail, according to the present invention, the shield can be replaced easily and in a short time by pushing the engaging / disengaging operation portion provided on the ear cover without removing the ear cover. . In addition, the shield provided on the helmet main body so as to be rotatable in the vertical direction does not come off even when the engaging / disengaging operation section provided on the ear cover is pushed in the closed position, and the shield does not come off unexpectedly.

[Brief description of the drawings]

FIG. 1 is a front view showing a main part of an embodiment of the present invention, with an ear cover and a shield removed.

FIG. 2 is a perspective view of a helmet employing the embodiment.

FIG. 3 is a sectional view taken along line AA of FIG. 1;

FIG. 4 is a sectional view taken along line BB of FIG. 1;

FIG. 5 is a side view of the shield in the embodiment.

FIG. 6 is a front view of the ear cover in the embodiment.

FIG. 7 is a back view of the ear cover.

FIG. 8 is a sectional view taken along line CC of FIG. 6;

FIG. 9 is a sectional view taken along line DD of FIG. 6;

FIG. 10 is an operation explanatory view of the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Helmet main body 2 Shield 3 Ear cover 4 Shield mounting shaft part 5 Mounting member 6 Fitting concave part 10 Fitting hole part 12 Locking shaft part 15 Depressed part 16 Shield engaging / disengaging operation part 21 Locking part 22 Locking concave part 27 Projection 29 Shield locking part 30 Locking piece 30A Inclined surface

Claims (3)

(57) [Claims] 1. A mounting member (5) is provided on both left and right outer surfaces of a helmet main body (1), and a bifurcated locking portion (21) is formed on both left and right ends of a shield (2). ), The shield (2) is mounted so as to be rotatable at a predetermined angle in the vertical direction, and the helmet is provided with the mounting member (5) and the ear cover (3) for the locking portion (21). In the above, the ear cover (3) has a locking portion (2) of a shield (2).
An engagement / disengagement operation section (16) that engages / disengages by elastically bending the 1) with respect to the mounting member (5) in the front and back directions is attached to the ear cover (3).
A slit (17) is formed and provided, and the engagement / disengagement operation portion (16) locks the shield (2) even when the engagement / disengagement operation portion (16) is operated when the shield (2) is closed. Part (2
When the shield (2) is open and the shield (2) is open, the lock (21) of the shield (2) can be detached by operating the engagement / disengagement operation part (16). A helmet shield mounting device characterized by the following. 2. An engagement / disengagement operation section (1) provided on an ear cover (3).
6) is a substantially U-shaped slit (1) in the ear cover (3).
2. The helmet shield mounting apparatus according to claim 1, wherein the helmet shield is elastically bent in the front and back directions by forming (7). 3. The helmet according to claim 2, wherein the substantially U-shaped slit (17) is formed to extend vertically from the front side to the rear side of the ear cover (3). Shield mounting device.