JPH0423118Y2 - - Google Patents

Description

[Detailed explanation of the invention] A. Purpose of the invention (1) Industrial application field This invention attaches a seat to the vehicle body frame via a hinge so that it can be raised and lowered, and supports the bottom of the seat in the raised position. The present invention relates to a motorcycle or tricycle in which a seat stay is fixed to the vehicle body frame.

(2) Prior Art Motorcycles and tricycles in which items such as a fuel tank are stored directly under the seat are conventionally known.

(3) Problems to be solved by the invention In the above conventional system, the space between the seat and the vehicle body frame that supports it is relatively narrow, so it is difficult to secure a sufficiently large storage space for the above items. It was hot.

The present invention was proposed in view of the above, and it is possible to secure a sufficiently wide storage space between the seat and the vehicle body frame, and in addition, to secure the space, the seat stay, which is installed to raise the seat, is attached to the seat. To provide a motorcycle or tricycle with a simple structure that can be used both as a seat lock device for locking the seat and as a mounting stay for accessory parts extending behind the seat.

B. Structure of the invention (1) Means for solving the problem In order to achieve the above object, the present invention attaches a seat to the vehicle body frame directly below it via a hinge so that it can be raised and lowered, and the bottom part of the seat is In a motorcycle or tricycle in which a seat stay that is supported at a position is attached to the vehicle body frame, a seat support portion is formed at the upper end of the seat stay that extends upward from the upper rear surface of the vehicle body frame, and a seat support portion is formed at the upper end of the seat stay that is supported at a position forward of the seat stay. The hinge is provided at the upper end of the support member extending upward from the upper surface of the vehicle body frame, and the seat and the upper side cover of the vehicle body define an article storage space whose upper surface is opened when the seat is raised. , the seat stay is provided with a locking device capable of locking the seat in the reclined position in cooperation with a locking portion provided on the seat; further, the seat stay is provided with a locking device that extends rearward of the seat; It is characterized in that the accessory parts are fixed within the article storage space.

(2) Effect A relatively wide article storage space can be obtained vertically between the seat and the vehicle body frame, and relatively large articles can be easily stored there. Moreover, especially when the seat is in an upright position, the upper surface of the article storage space can be widely opened to the outside.

Furthermore, when the seat is locked in the reclined position using the seat lock device, the article storage space is closed from the outside, so that not only the stored articles but also the parts that are attached to the seat stays of the accessories are isolated and hidden from the outside. I can do it.

(3) Embodiment Hereinafter, an embodiment in which the present invention is applied to a scooter will be described with reference to the drawings. First, in FIG. 1, a vehicle body frame 1 supports a steering device 2 and a floor 3 at its front, and supports a power unit 4 including an engine and a seat 5 at its rear.

The rear part of the vehicle body frame 1, that is, the rear frame 1r
consists of a pair of left and right channel-shaped side frames 6, 6' and a cross member 7 that connects their rear ends to each other, and a support member 8 and a fuel tank 9 are mounted from the front on the horizontal upper parts of the side frames 6, 6'. will be installed sequentially. Further, as shown in FIG. 4, a pair of grip stays 11 and 11' each having a grip 10 are welded to the outer surfaces of the side frames 6 and 6'.
A fuel tank 9 is placed between both grip stays 11 and 11'.
A cross member 12 that straddles is bridged, and this cross member 12 and each grip stay 11, 11' are connected by a pair of front and rear bolts 13, 14, respectively. Furthermore, as shown in FIGS. 3 and 4, in the center of the cross member 7 at the rear end of the rear frame 1r,
Seat stay 15 with U-shaped cross section with open front side
The lower end portions of are removably fixed by bolts 16 and 17. The seat stay 15 extends upward from the upper surface of the rear frame 1r, and a seat support portion 15a is formed at its upper end.

The front support member 8 extends above the upper surface of the rear frame 1r, and the front part of the bottom plate 5a of the seat 5 is connected to the upper end of the front support member 8 via a hinge 18. It can be rotated between the upright and standing positions. Seat bottom plate 5
Stopper rubber 19, 20 is installed at the middle and rear end of a.
are attached to each, and when the seat 5 is folded down, the stopper rubber 19 in the middle part is attached to the cross member 1.
A stopper rubber 20 at the rear end portion is supported by the seat support portion 15a at the upper end of the seat stay 15, respectively. The seat 5 in the reclined position cooperates with the upper parts of side covers 32 and 32' of the vehicle body, which will be described later, to create a relatively wide article storage space in the vertical direction whose upper surface is opened when the seat 5 is raised. This article storage space S has a spare space 41 at the front thereof.
A fuel tank 9 as a liquid tank is installed except for.

A locking device 21 for fixing the seat 5 in the reclining position is provided in the vertically intermediate portion of the seat stay 15 as follows. That is, both ends of the rotating shaft 22 are supported by the left and right side walls of the seatstay 15, and the lock arm 23 is fitted onto the chamfered portion 22a of the rotating shaft 22 within the seatstay 15. This lock arm 23 has a locking position where it engages with a locking hole 24a of a locking piece 24 as a locking portion fixedly installed on the seat bottom plate 5a, and an unlocking position where it separates rearward from the locking hole 24a. A torsion coil spring 25 is mounted between the lock arm 23 and the seat stay 15, which can rotate together with the rotation shaft 22 and bias the lock arm 23 toward the locked position. A slope 23a facing forward and downward is formed on the upper surface of the distal end of the lock arm 23 at the lock position. This locking device 21 is assembled to the seat stay 15 in advance before the seat stay 15 is attached to the cross member 7.

A connecting pin 27 extending in the diametrical direction is implanted at one end of the rotating shaft 22, and this pin 27 connects to the cylinder lock 2 attached to the lock stay 28.
9 is engaged with the connecting groove 30 at the inner end of the rotor 29a. The rotor 29a can be rotated only when a predetermined key (not shown) is inserted into a key hole 31 opened at the outer end of the rotor 29a. The lock stay 28 is welded to the side frame 6.

Therefore, if you insert the key into the keyhole 31,
The lock arm 23 can be rotated from the rotor 29a via the rotation shaft 22 to the unlocked position shown by the chain line in FIG. It is possible to refuel the fuel tank 9, etc. sheet 5
When the rotor 29a etc. are returned to the lock position and the key is removed while the seat is being raised, and the seat 5 is then tilted down toward the seat stay 15, the lower end of the locking piece 24 slides on the slope 23a of the lock arm 23 and locks the arm 23. When the lock arm 23 rotates rearward and passes through the slope 23a, the lock arm 23 returns to the lock position due to the biasing force of the spring 25 and can automatically engage with the locking hole 24a. During this time, the rotation shaft 22
In order to rotate the rotor without being restrained by the cylinder lock 29, the connecting pin 27 of the rotation shaft 22 and the rotor 29
An appropriate gap is provided between the connecting groove 30 and the connecting groove 30 of a.

A pair of left and right side covers 32 surround the rear frame 1r below the seat 5 and the power unit 4.
The rear ends of these covers 32, 32' are abutted against each other, and mounting pieces 33, 33' formed at the rear ends of their upper ends are overlapped with each other, and the above-mentioned seat is secured by a tapping bolt 34. It is fixed to the rear wall of the stay 15. Thus, the upper portions of the side covers 32, 32' close the periphery of the article storage space S in cooperation with the skirt portion 5b that hangs down integrally from both left and right edges and the rear end edge of the seat 5. , it is possible to prevent rainwater, dust, etc. from entering the space S, and the fuel tank 9 can be hidden in an attractive manner. Note that 35 indicates a mounting hole into which the tapping bolt 34 is screwed.

A carrier 36 as an accessory part extending rearward of the seat 5 is attached to the seat stay 15 and the pair of grip stays 11, 11' as follows. That is, as shown in FIG.
6 is a pair of left and right front mounting pieces 37 that protrude forward;
37' and one rear mounting piece 38 occupying a central position behind these, and the front mounting pieces 37, 3
7' is fixed to the left and right grip stays 11, 11' together with the cross member 12 by bolts 14, and the rear mounting piece 38 is fixed to the rear wall of the seat stay 17 in the article storage space S by bolts 39. Therefore, when the seat 5 is locked in the reclined position by the locking device 21, there is no risk that the bolt 39, which is the means for fixing the carrier 36 to the seat stay 15, will be tampered with or removed by someone else. . In Figure 3, 40
is a welding nut fixed to the seat stay 15 so as to be screwed into the bolt 39.

In this way, one seat stay 15 is attached to the seat 5.
In addition to the support function for the locking device 21,
Providing a support function for the side covers 32, 32' and the carrier 36 is effective in significantly reducing the number of parts and simplifying the structure.

Incidentally, the present invention can also be applied to a tricycle having one wheel at the front and two wheels at the rear.

C. Effects of the invention As described above, according to the invention, the seat is attached to the vehicle body frame directly below it via a hinge so that it can be tilted up and down, and the seat stay that supports the bottom of the seat in its reclined position is attached to the vehicle body frame. In the attached motorcycle or tricycle, a seat support is formed at the upper end of the seatstay that extends upward from the rear upper surface of the vehicle body frame, and a seat support section is formed at the upper end of the seatstay that extends upward from the upper surface of the vehicle body frame in front of the seatstay. The hinge is provided at the upper end of the support member, and the upper part of the side cover of the seat and the vehicle body defines an article storage space whose top surface is opened when the seat is raised, so that the space between the seat and the vehicle body frame is relatively wide vertically. of storage space, relatively large items can be easily stored there, and when the seat is upright,
Since the upper surface of the article storage space can be widely opened to the outside, work such as inspecting the articles in the space can be easily performed.

In particular, the seatstay is provided with a locking device capable of locking the seat in the reclined position in cooperation with a locking portion provided on the seat, and the seatstay is further provided with an accessory part extending toward the rear of the seat. Since the seat is stuck in the article storage space, when the seat is locked in the reclined position using the seat lock device, the article storage space is closed from the outside, and not only the stored articles but also the parts of the accessories that are stuck to the seat stay are removed. The seat can also be isolated from the outside, which is effective not only in preventing tampering with the stored items, but also in preventing theft of the accessory parts exposed at the rear of the seat. Furthermore, the seat stay, which is a means for raising the seat height, can be used both as a mounting stay for the seat lock device and as a support stay for the accessory parts, which simplifies the structure and contributes to cost reduction and improved assembly. be able to.
Furthermore, by fixing the above-mentioned accessory parts extending toward the rear of the seat to the seatstays arranged at the rear of the vehicle body frame, the support points of the accessory parts can be positioned as far back as possible to be close to the rear free end of the accessory parts. Therefore, the supporting rigidity for the accessory part can be increased accordingly.

[Brief explanation of the drawing]

Figure 1 is a perspective view of a scooter implementing the present invention;
Figure 2 is a vertical cross-sectional side view of the main parts of the scooter, Figure 3
The figure is an enlarged vertical sectional side view of the seat stay and its surroundings in FIG. 2, and FIG. 4 is an exploded perspective view of the seat stay and its surroundings. DESCRIPTION OF SYMBOLS 1...Vehicle frame, 5...Seat, 8...Supporting member, 15...Seat stay, 15a...Seat support part, 18...Hinge, 32, 32'...Side cover, 36...As an accessory part Carrier, 39... Bolt, S... Goods storage space.

Claims (1)

[Scope of utility model registration request] The seat 5 is attached to the vehicle body frame 1 directly below it via a hinge 18 so as to be freely tiltable, and a seat stay 15 supports the bottom of the seat 5 in its reclined position.
In a motorcycle or tricycle in which a seat stay 15 is attached to a vehicle body frame 1, a seat support portion 15a is formed at the upper end of the seat stay 15 extending upward from the rear upper surface of the vehicle body frame 1, and a seat support portion 15a is formed at the upper end of the seat stay 15.
The hinge 18 is provided at the upper end of the support member 8 extending upward from the upper surface of the vehicle body frame 1 in front of the seat 5, and the seat 5 is raised up by the upper part of the seat 5 and the side covers 32, 32' of the vehicle body. Defines an article storage space S whose top surface is sometimes open,
The seat stay 15 is provided with a locking device 21 capable of locking the seat 5 in the reclined position in cooperation with a locking portion 24 provided on the seat 5. A motorcycle or tricycle, characterized in that an accessory part 36 extending rearwardly is fixed in the article storage space S.