JPH0129188Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to a motorcycle seat with a seat back, and is particularly applicable to a double seat (two-person seat).
This invention relates to a two-wheeled vehicle seat with a seat back that can be moved depending on whether the seat back is for one person or two people.

[Conventional technology]

Traditionally, motorcycle seats with seat backs have
Either a separate, removable seat bag was used as the seat bag, or it was formed and fixed integrally with the seat from the beginning and could not be converted. Detachable seat bags have some inconveniences, such as the fact that there is no storage space for the removed seat bag, while fixed seats can get in the way when two people are riding, so they usually do not meet the driver's preference. It was not suitable for a type of seat that is sometimes provided with a seat back. For this reason, a variable seat such as that disclosed in Japanese Utility Model Publication No. 52-24908 has been proposed. That is, as shown in FIG. 7, in a double seat consisting of a front seat part F and a rear seat part R, the front seat part F and the rear seat part R are connected by a recliner 40 that can fully recline. has been established.

The expansion/contraction mechanism in this conventional example includes the elongated hole 4
A molding 42 is provided around the periphery of the arm 41, and a bolt 44 provided on the arm 41 is slid along this elongated hole 43, so that the imaginary line
It is designed to be movable as shown by the arrow in FIG. 7 between the position R' and the position R'.

[Problem that the invention attempts to solve]

The conventional example described above has the following problems. In other words, the recliner is provided on the side of the seat and interferes with the legs of the seated person, making the ride uncomfortable. There are also problems in terms of appearance. Furthermore, in such proposed technology,
Since the rear seat section is used in place of a seat bag, there have been some inconveniences such as the inability to use a seat bag in the rear seat section.

The technical problem of the present invention is to solve the above-mentioned disadvantages.

[Means for solving problems]

The present invention was made to solve the above technical problem, and is a double seat for two-wheeled vehicles equipped with a front seat part, a rear seat part, and a seat back. To enable a seat bag to be tilted. The technical solution is to make the rear seat part movable, fold down the seat back of the front seat part to make it a rear seat part, and move the rear seat part to make it a seat back of the rear seat part.

[Effect]

The present invention is constructed as described above, and since the seat back can be tilted and the seat back is used as a rear seat part, the legs of the seat back do not interfere with the legs of the occupant, improving riding comfort. The sheet also has a good appearance. Furthermore, on motorcycles and the like where space is limited, the seat back can be quickly removed without being affected by the thickness of the seat. Furthermore, the seat back of the front seat can be removed at any time, making it extremely easy to accommodate one or two passengers.

〔Example〕

Embodiments of the present invention will be described below with reference to FIGS. 1 to 6. However, as a matter of course, the components and other members and arrangements described or illustrated in the following illustrative examples are not intended to limit the present invention, but are merely illustrative examples. In addition, the same members are given the same reference numerals and repeated explanations will be omitted.

Fig. 1 is a perspective view of a double seat with the seat back removed showing an embodiment of the motorcycle seat with a seat back according to the present invention, Fig. 2 is an explanatory diagram showing the tilting of the seat back, and Fig. 3 shows the seat back and the rear seat. 4 is a diagram illustrating an example of the movement of the rear seat, FIG. 5 is a diagram illustrating another example of the movement of the rear seat, and FIG. Figure 3 is a partially enlarged view of the locking device used in the example shown;

1 to 4 show a first embodiment, and a double seat S in this example has a front seat part F and a rear seat part R.
and a seat back A, and the cushion body constituting these is composed of a skin material, a cushion material, etc. (each not shown). The double seat S is made up of these cushion bodies placed on a bottom plate (not shown), and is supported by a frame (not shown).

FIG. 1 is a view after the seatback A in this embodiment has been moved. In this embodiment, as shown in FIG. 3, a seatback 15 is provided behind the rear seat. Shitshi bar 15
Inside the rail 16 as shown in FIG.
is formed integrally with the seat bar 15. On the other hand, the rear seat portion R is provided with rollers 17 supported by support portions 19 at both ends of one side of the bottom thereof, and has a protrusion 18 approximately at the center of the other end. Then, the rollers 17 and the rails 16 are engaged, and the rear seat portion R is moved to the position R', as shown by the imaginary line R' in FIG. Note that an engaging portion 19a that engages with the protrusion 18 is provided at the center of the seat bar 15 to prevent the rear seat portion R' from falling. Further, the projection 18 is fitted into a locking hole provided in a frame (not shown) or the like so that the rear seat R does not come off when the rear seat R is not moved.

The seat bag A has a leg 10.
0 is provided at the rear of the front seat F, and has a tilting mechanism 9, as shown in FIG. That is, the tilting mechanism 9 includes a protrusion 13 provided at the lower part of the leg 10.
and a long hole 12 provided in the support base 11.
Then, the elongated hole 12 provided in the support base 11 and the protrusion 13 are engaged, and the seat back A is aligned with the imaginary line.
It is tilted as shown by A' and movable along the elongated hole 12 as shown by the arrow. In this example, a lever 11 is provided on the side of the front seat part F, and a protrusion 13 is fixed by a well-known locking mechanism (not shown) provided at the inner tip of the lever 11, and the lever 11 is tilted. The seat bag A is configured so that it does not move. Then, by this lever 11, the protrusion 13
By releasing the fixation of seat back A
returns to its original position. Furthermore, a support plate or the like may be provided on the rear seat portion R to prevent the seat bag A from tilting easily when it functions as a seat bag.

In this example, the seat bar 15 is provided behind the rear seat, and the rear seat is moved along the seat bar 15. However, it is not necessarily necessary to provide the seat bar, and a frame or the like that supports the rear seat is used. You may.

FIG. 5 shows a second embodiment, and shows another example of a moving mechanism for the rear seat portion R. A locking device 25 as shown in FIG. 6 is provided on both sides of the shishive bar 15. The locking device 25 includes the knob 2
6, a rod 29 connected to this knob,
The spring 30 engaged with this rod is engaged with an engagement portion 28 having a rectangular cross section that engages with an engagement hole 23 (to be described later), a protrusion 27, and an end of a spring 30 (not shown) provided on the seat bar 15. It is made up of a protrusion. This locking device 25 is biased by a spring 30 so that the surface of the engaging portion 28, which is wider than the width of the cut end of the engaging recess 23, which will be described later, is always directed. It is fitted into a hole provided on the side of the sissy bar 15. On the other hand, an engaging protrusion 21 is provided approximately in the center of one end of the back side of the rear seat R used in this example, and protrusions 22 having engaging recesses 23 are provided on both sides of the other end of the back side. It is provided. This engaging recess 23 is designed to engage with the engaging part 28 of the lock device 25, but the cut of the engaging recess 23 is larger than the short part of the rectangular cross section of the engaging part 28, and is larger than the long part of the engaging part 28. It's getting shorter. Because of this configuration, the engaging portion 2
By engaging the short portion of 8 through the cut of the engagement recess 23 and rotating the knob 26, it is fixed without coming off from the cut. Note that the reference numeral 27 is for preventing the protrusion 22 from wobbling, and the engagement portion 2 is slightly larger than the plate thickness of the protrusion 22.
The width of 8 is increased. As described above, in this example, the rear seat R is removed and the engagement hole 24 provided in the seat bar 15 is fitted into the protrusion provided in the rear seat R. Further, the locking device is not limited to the locking device of this embodiment, as long as it can be fitted to the seat bar from any direction and can fix the rear seat portion.

[Effects of the invention] Since the present invention is configured as described above,
It has the following effects.

Since the seat back can be tilted and the seat back is used as a rear seat part, the reclining device etc. are not exposed on the side of the seat, and the legs of the seat back do not interfere with the legs of the seated person, improving riding comfort. . Further, on motorcycles and the like where space is limited, the seat back can be quickly removed without being affected by the thickness of the seat. Furthermore, the seat back of the front seat can be removed at any time, making it extremely easy to accommodate single or two-person seating.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a double seat with the seat back removed showing an embodiment of the motorcycle seat with a seat back according to the present invention, Fig. 2 is an explanatory diagram showing the tilting of the seat back, and Fig. 3 shows the seat back and the rear seat. 4 is a diagram illustrating an example of the movement of the rear seat, FIG. 5 is a diagram illustrating another example of the movement of the rear seat, and FIG. FIG. 7, a partially enlarged view of the locking device used in the example shown, is a conventional example. 9...Tilt mechanism, 10...Legs, 11...Lever, 12...Elongated holes, 13...Protrusions, 15...Sitsie bar, 16...Rails, 17...Rollers,
18, 21, 22... protrusion, 23... engaging recess, 25... lock device, A, A'... seat back, F... front seat section, R, R'... rear seat section, S...
...Sheet.

Claims (1)

[Scope of utility model registration request] A double seat for a two-wheeled vehicle that includes a front seat, a rear seat, and a seat back, the front seat having a tilting seat back provided between the front seat and the rear seat, and a movable rear seat. 1. A two-wheeled vehicle seat with a seat back, characterized in that the seat back of the section serves as a rear seat part, and the rear seat part serves as a seat back of the rear seat part.