JPS6330402B2 - - Google Patents

Description

[Detailed Description of the Invention] A. Object of the Invention (1) Industrial Application Field The present invention provides a vehicle helmet worn by a rider of a motorcycle, in particular, a helmet in which a window hole is formed on the front surface of the cap body.
This invention relates to a windshield device for a vehicle helmet, in which both ends of a windshield plate for opening and closing the window hole are attached to both sides of a cap body so as to be rotatable in a reciprocating manner.

(2) Prior Art Conventionally, this type of windshield device is configured so that a passenger or the like manually rotates the windshield plate back and forth.

(3) Problems to be solved by the invention In this case, it would be extremely convenient if the windshield could be easily adjusted to any opening position with a single touch while the vehicle is running, and it would also greatly contribute to safe driving. However, such requirements could not be met by conventional methods.

The present invention has been proposed in view of the above, and an object of the present invention is to provide the windshield device that can satisfy the above requirements.

B. Structure of the Invention (1) Means for Solving the Problems In order to achieve the above object, the present invention forms a window hole in the front surface of the cap body, and both ends of the windshield plate that opens and closes the window hole are In a windshield device for a vehicle helmet, which is attached to both sides of a cap body so as to be rotatable in a reciprocating manner, the spring provided between the cap body and the windshield plate and biasing the windshield plate in one direction of rotation is the same. A click stop mechanism provided between the cap body and the windshield plate and capable of holding the windshield plate in multiple opening positions against the biasing force of the spring, and capable of releasing the operation of the click stop mechanism. The invention is characterized by comprising a release means.

(2) Effect According to the above configuration, if the windshield plate is rotated in the other direction of rotation against the biasing force of the spring and released at an appropriate opening position, the windshield plate immediately stops at that position. If the release means is operated in this stationary state, the windshield plate can be rotated at once in the one rotational direction by the biasing force of the spring.

(3) Embodiment In FIG. 1, a window hole 2 through which the wearer's face faces is formed on the front surface of a cap body 1, and a seal member 3 is attached to the periphery of the window hole 2. Both ends of a windshield plate 4, which can close the window hole 2 in cooperation with the seal member 3, are attached to both sides of the cap body 1 so as to be rotatable in a reciprocating manner.
Both ends of the windshield plate 4 are covered with a protective cover C that is detachable from the cap body 1, thereby preventing the mounting portion of the windshield plate 4 from being exposed to the outside and improving the appearance. As shown in FIGS. 3 and 4, the cap body 1 is constructed by lining an outer shell 5 made of fiber-reinforced plastic with a shock absorber 6 made of foamed polystyrene, and the inner surface of the shock absorber 6 is lined with foamed polyurethane in appropriate places. The cushion body 7 is attached.

2 to 5 show the left end side attachment part of the windshield plate 4 with the protective cover C removed, and the cap body 1
The holding plate 3 has a plurality of cylindrical parts 21 on the inner surface of the side thereof, in the illustrated example, four cylindrical parts 21 each having a female threaded hole 35 formed on the inner peripheral surface thereof.
6 are glued together, and each cylindrical portion 21 is fitted into a through hole 37 formed in the cap body 1. The arrangement of the cylindrical parts 21 is one in the upper part, two in the lower part, and one in the middle part.

The mounting board 8 of the windshield plate 4 has one oval screw insertion hole 38 in the upper part and two in the lower part, and one circular screw insertion hole 39 in the middle part, so as to correspond to each female screw hole 35. The mounting board 8 is placed on the outer surface of the cap body 1 and is attached to the cap body 1 by threading the mounting screws 9 to 11 into the female screw holes 35 through the oval screw insertion holes 38.

The windshield plate 4 has annular mounting plates 13 fixed to both ends of a transparent plate 12, which is the main body, through a plurality of eyelets 14, and the holes 16 of the mounting plates 13 are formed around the circular screw insertion holes 39 of the mounting board 8. is fitted onto the outer circumferential surface of the hollow protruding shaft portion 17 protruding from the stepped portion 15,
Further, a washer 18 is fitted on the inner circumferential surface of the protruding shaft portion 17, and a flange portion 19 integrated with the washer 18
are applied to the periphery of the hole of the mounting plate 13, and each screw insertion hole 39 of the mounting board 8 and washer 18,
By screwing the retaining screw 20 loosely inserted into the intermediate female threaded hole 35, the windshield plate 4 is attached to the cap body 1 so as to be rotatable in a reciprocating manner so as to open and close the window hole 2.

On the rear side of the inner surface of the mounting plate 13 facing the cap body 1, serrated locking teeth 22 are formed in an arcuate arrangement as shown in FIGS. 2 and 5. Further, a pair of bearing parts 23 are provided protruding from the rear part of the mounting board 8 so as to be located at the top and bottom.
A lever member 24 is fitted between the two bearings 3 and 3, and the lever member 24 has a shaft portion 25 protruding from the rear portion of the lower surface supported by both bearing portions 23 so as to be able to slide. The lever member 24 has a locking pawl 26 with serrated teeth 27 on the lower front surface thereof, and the tooth surface thereof faces the locking teeth 22 of the mounting plate 13. Further, a U-shaped engagement spring 28 attached to the lever member 24 is compressed between the inner surface of the lever member 24 and the side surface of the cap body 1, and its elastic force causes the locking pawl 26 of the lever member 24 to be attached. It engages with the locking teeth 22 of the plate 13. Locking tooth 22
The teeth of the locking pawl 26 are oriented so as to permit rotation of the windshield plate 4 in the direction of opening the window hole, but prevent rotation of the windshield plate 4 in the direction of closing the window hole.

Thus, the lever member 24, the meshing spring 28, the locking pawl 26, and the locking tooth 22 cooperate with each other to form the click stop mechanism A of the present invention, which can hold the windshield plate 4 at multiple opening positions. and lever member 2
Reference numeral 4 constitutes a release means B of the present invention capable of releasing the operation of the click stop mechanism A.

Below the mounting plate 13, the lower end of the return lever 29 of the windshield plate 4 is rotatably supported on the mounting board 8 by a mounting screw 9, and an engaging protrusion 30 protruding from the outer surface of the tip is attached to the mounting board 8. It is engaged with a long hole 31 formed in the lower part of 13. Return lever 2
A return spring 33 that urges the windshield plate 4 in the window hole closing direction is stretched between the locking projection 32 protruding from the outer surface of the intermediate portion of the windshield 9 and the mounting screw 11 located rearward thereof. .

The right end side attachment part (not shown) of the windshield plate 4 is rotatably attached to the same mounting board 8 as described above, and its outer surface is covered with a protective cover C, but like the left end side attachment part, there is a lever member 24 etc. is not provided. In the figure, numeral 34 is a protrusion that indicates the pressing position of the lever member 24.

In the above configuration, when the windshield plate 4 is lowered and the window hole 2 is closed, the engagement protrusion 30 of the return lever 29
is located below the long hole 31 of the windshield plate 4, and the locking pawl 26 of the lever member 24 engages with the lower part of the locking tooth 22 of the windshield plate 4.

When the windshield plate 4 is raised from this state, the mounting plate 13 rotates clockwise in Figure 2 (in the direction of the arrow in Figure 5) while sliding its locking teeth 22 on the locking pawl 26 of the lever member 24. As the rear inner peripheral surface of the elongated hole 31 pushes up the engagement protrusion 30, the return lever 29 rotates counterclockwise in FIG. 2 while extending the return spring 33. When the rotation of the windshield plate 4 is stopped at the predetermined window opening position, the locking pawl 26 of the lever member 24 engages with the locking tooth 22 of the windshield plate 4 due to the elastic force of the meshing spring 28, and the windshield plate 4 is prevented from rotating in the window hole closing direction, and when the lever member 24 is in the stop position, the windshield plate 4 is reliably held in the open position.

When the window hole 2 is closed by the windshield plate 4, when the lever member 24 is swung against the elastic force of the meshing spring 28 and moved to the stop release position, the locking pawl 26 locks the windshield plate 4. It comes off from the stop tooth 22 and both 2
2 and 26 are released, the return spring 33
The windshield plate 4 is moved via the return lever 29 by the contraction force of
rotates counterclockwise in Figure 2 to the window hole closing position.

Note that the locking teeth 22 and the locking claws 26 may be provided on the lever member 24 and the windshield plate 4, respectively. In addition, as in the embodiment, the locking teeth 22 and the locking claws 26
When the spring 33 is connected to the windshield plate 4 via the return lever 29 in a superimposed state, the windshield plate 4
The thickness of the mounting part of the window can be made thinner and smaller, and the return spring 33 when opening the window hole can be made thinner and smaller.
It is possible to extend the lifespan by regulating the amount of elongation to an appropriate amount. Further, locking teeth 22 and locking claws 26
an engaging surface 22a that contributes to preventing rotation of the windshield plate 4 from the window hole open position to the window hole closed position;
By forming the slope 27a slightly more inclined than the vertical plane, the amount of opening can be adjusted as appropriate by pinching the windshield plate 4 at the window opening position with fingers and rotating it in the closing direction.

C. Effects of the Invention As described above, according to the present invention, a window hole is formed in the front surface of the cap body, and both ends of the windshield plate that opens and closes the window hole can be rotated back and forth to both sides of the cap body. In the windshield device of the attached vehicle helmet, a spring is provided between the cap body and the windshield plate to bias the windshield plate in one rotational direction, and a spring is also provided between the cap body and the windshield plate and biases the windshield plate in one direction of rotation. The present invention is equipped with a click stop mechanism capable of holding the plate in multiple opening positions against the biasing force of the spring, and a release means capable of releasing the operation of the click stop mechanism.
If the windshield plate is rotated in the other rotation direction against the biasing force of the spring and released at an appropriate opening position, the windshield plate can be immediately stopped at that position. By operating the release means, the windshield plate can be rotated all at once in the one rotational direction by the biasing force of the spring, and as a result, the windshield plate can be held at any opening position even while the vehicle is running. It can be adjusted easily and quickly, and can greatly contribute to safe driving.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is an overall side view, FIG. 2 is an enlarged side view of the windshield plate attachment part, FIG. 3 is a sectional view taken along the line shown in FIG. 2, and FIG. Figure 2 is a line sectional view, and Figure 5 is Figure 2.
FIG. 1...cap body, 2...window hole, 4...windshield plate, 24
... Lever member, 33 ... Return spring, A ... Click stop mechanism, B ... Release means.

Claims (1)

[Claims] 1 A windshield device for a vehicle helmet in which a window hole 2 is formed in the front surface of a cap body 1, and both ends of a windshield plate 4 for opening and closing the window hole 2 are attached to both sides of the cap body 1 so as to be rotatable in a reciprocating manner. , a spring 33 is provided between the cap body 1 and the windshield plate 4 and urges the windshield plate 4 in one rotational direction; The above spring 3
3. A vehicle characterized by comprising a click stop mechanism A that can be held at multiple opening positions against the urging force of No. 3, and a release means B that can release the operation of the click stop mechanism A. Helmet windshield device.