CN1178748A - Seat device for two-wheeled motor vehicles - Google Patents

Abstract

The invention provides seat device to prevent generation of noise in the periphery of a hinge pin. In the device, a hinge turnably connecting a seat to a fuel tank is constituted by connecting a car body side hinge plate and a seat side hinge plate by a hinge pin, also a free end side of a pin pressing member of leaf spring shape fixing one end to the car body side hinge plate is brought into contact with the hinge pin, it is always energized by a spring so as to be pressed to a pin hole of the seat side hinge plate. The seat side hinge plate is mounted on a bottom plate of the seat through vibration isolating rubbers.

Description

The saddle of motor bike

The present invention relates to be installed in rotation on saddle on the vehicle body, particularly can make the saddle that reduces noise around the hinge by hinge.

At the real saddle that has disclosed a kind of motor bike in clear 61-14946 number of opening of Japanese Utility Model communique, in this device, adopt the link pin binding to be installed in the vehicle body-side hinge plate and the seat side flap that is installed in seat side of car body side, for passing the pin-and-hole diameter that is located on the flap greater than the link pin diameter, and between flap in opposite directions, clamping elastomeric element for link pin.

In the above-mentioned existing saddle, between two flaps, form play, can prevent the transfer of vibration between vehicle body and vehicle seat.But, even make this structure, because of link pin may produce noise with contacting also of pin hole inner face.Therefore, purpose of the present invention has been head it off.

To achieve these goals, motor bike saddle of the present invention, by link body side flap that is installed in body side and the seat side flap that is installed in seat side with link pin, vehicle seat is installed in rotation on the vehicle body, it is characterized in that, be provided with the pin push part, this pin push part with link pin flexibly ejection be located at pin hole inner face on the flap for passing link pin.

Above-mentioned pin push part can be located at body side flap one side or seat side flap one side, and its constituent material can be metallic spring members, rubber or plastic spring members such as leaf spring, coil spring.

In the hinge means of above-mentioned structure, also can flexibly be bearing in the seat side flap on the vehicle seat.

According to the present invention and since link pin by the ejection of pin push part in pin hole inner face, so, between link pin and pin hole inner face, be not easy to produce noise.

In addition, if the seat side flap flexibly is bearing on the vehicle seat, then the transfer of vibration that can stop body side is to seat side, so not only can reduce noise but also can reduce vibration.

Fig. 1 is the sectional side view of saddle of the present invention.

Fig. 2 is the amplification profile diagram of its hinge fraction.

Fig. 3 is to use the whole lateral plan of the motor bike of this hinge means.

Fig. 4 is the planar view of hinge fraction.

Fig. 5 is the front elevation of hinge fraction.

Fig. 6 is the block diagram of body side flap of the variation of expression pin push part.

Fig. 7 is the figure that is equivalent to Fig. 6, represents another variation.

Fig. 8 is the figure that is equivalent to Fig. 6, represents another variation.

Below with reference to Fig. 1 to Fig. 5 embodiments of the invention are described.Fig. 1 represents the side section of saddle.Fig. 2 is the amplification profile diagram of its hinge fraction.Fig. 3 is to use the whole lateral plan of the motor bike of this hinge means.Fig. 4 is the planar view of hinge fraction.Fig. 5 is the front elevation of hinge fraction.

Among Fig. 3, front-wheel 2 and trailing wheel 3 are being supported in vehicle frame 1 front and back along fore-and-aft direction extends of motor bike, on the vehicle seat rail 4 that extends in pairs about Fuel Tank 5 is bearing in, surface bearing Dual saddle 6 on this Fuel Tank 5, and the front end of this vehicle seat 6 is rotatably supported in Fuel Tank 5 front ends by hinge 7.

Number in the figure 8 is vehicle body covers, be covered with comprise vehicle seat 6 belows Fuel Tank 5 at interior vehicle body side and rear portion.Label 9 is driving engines, and is air-breathing by the airfilter 9a and the carburettor 9b that are bearing on the vehicle frame 1.

As shown in Figure 1, hinge 7 is to link body side flaps 10 and seat side flap 11 and constitute with link pin 12, and the free end of the pin push part 13 of leaf-spring-like is pressed against on the link pin 12.

Body side flap 10 is installed in pin push part 13 and body side, is the top front portion of Fuel Tank 5 that in the aftermentioned mode seat side flap 11 is installed on the base plate 17 of vehicle seat 6 by bolt 15 and nut 16 (Fig. 2) by tubular vibration-proof rubber 14.

Number in the figure 18 is the supports that forwards stretch out from Fuel Tank 5 tops, and the upper end that covers the vehicle body cover 8 of Fuel Tank 5 front portions is installed in the leading section of this support 18 by bolt 19 and nut 20.

Label 21 is mounted in the vibration-proof rubber of base plate 17 front, center, and its underpart is attached on the seat side flap 11.Label 22 is mounted in the same vibration-proof rubber of base plate pars intermedia, when vehicle seat 6 was fallen, the bottom of this vibration-proof rubber 22 be pressed against Fuel Tank 5 above.

Label 23 is injection flaps of Fuel Tank 5, and 24 are provided in a side of a pair of support about Fuel Tank 5 bottoms, and this support 24 is installed in respectively on the support 25, and support 25 is located on the vehicle seat rail 4.

Fig. 2 is the enlarged drawing of hinge 7 parts.The section portion of hinge 7 analyses and observe along the 2-2 line among Fig. 4.From this figure as seen, the head 30 of bolt 15 is imbedded in the plastic base plate 17.

With about the front portion of bolt 15 cooresponding seat side flaps 11, tubular vibration-proof rubber 14 is installed, along in its through hole 14a (see figure 2) that axially forms, wearing bolt 15 and fixing with nut 16.

The bottom of vibration-proof rubber 21 has the projection 31 of band head, by this projection 31 being fitted in the mounting hole 32 of seat side flap 11 front end central portions, can make this vibration-proof rubber 21 fuse the top base plate 17 that also supporting of vibration-proof rubber 21 with seat side flap 11.

Therefore, seat side flap 11 flexibly is bearing on the vehicle seat 6 by these vibration-proof rubbers 14,21.Vibration- proof rubber 14,21 can be made with known elastomeric materials such as rubber or synthetic resin.

From Fig. 2 and Fig. 4 to Fig. 5 as seen, in the mounting hole 32 of the front end central portion of seat side flap 11, vibration-proof rubber 21 is installed, forwardly in the mounting hole 33 about vibration-proof rubber 14 is installed.

The anterior side of seat side flap 11 forms the pin support 34 of bending downwards, and insert in the pin-and-hole 35 on this support at the both ends of pin 12, has just formed the pin supporting structure.In this supporting structure, can be welded on the one or both ends of pin 12 on the pin support 34, perhaps with suitable anti-avulsion parts anti-avulsions such as circlips.

About the rear portion of seat side flap 11, be provided with a pair of extension 36 that on plan view, stretches out in body side flap 10 sides, on this extension 36, be respectively equipped with the otch 37 that is roughly the コ font.

Body side flap 10 about have wall 40, be provided with pin-and-hole 41 at the leading section of each wall 40, the internal diameter of this pin-and-hole 41 is a bit larger tham the external diameter of link pin 12.

Each leading section of body side flap 10 and seat side flap 11 toward each other, about pin support 34 overlapping with wall 40, each pin-and-hole 35 and 41 is aimed at, and will sell 12 and run through this pin-and-hole, body side flap 10 and seat side flap 11 can be linked up rotatably.

About the rear portion of body side flap 10, with extension 36 position overlapped places, form the helmet and keep tool 42.This helmet keeps the pars intermedia of tool 42 to be bent to form hook portion 43, and front end 44 is the free end that erects, and when vehicle seat 6 was fallen, this front end 44 stretched out upward by otch 37.

Therefore, as shown in Figure 5, open vehicle seat 6, the hatband 45 of the helmet is hung on the hook portion 43, the vehicle seat 6 that closes then, front end 44 are extended portion 36 and 46 surround from skirt section that vehicle seat 6 sidepieces stretch out downwards, and only otherwise open vehicle seat 6, hatband 45 just can not break away from hook portion 43.

Pin push part 13 is formed by one flat plate shape metallic leaf spring, and its rear portion forms pair of right and left installation foot 51 because of grooving 50, and this installation foot 51 is installed on the Fuel Tank 5 by nut 52 and bolt 26 respectively.

From Fig. 2 as seen, the head of bolt 26 is welded on the fagging 27, and this fagging 27 is located at the top leading section of Fuel Tank 5.Utilize this bolt 26 that each rearward end of body side flap 10, pin push part 13 and fagging 18 is tightened together.

The leading section 53 of pin push part 13 forms the free end with plane of bending, and this plane of bending is along the outer peripheral face crimping of link pin 12, link pin 12 often flexibly ejection at the inner face of pin-and-hole 41.

Pars intermedia in pin push part 13 forms curve 54, is used to guarantee the required elastic deformation amount of elasticity pushing.

The following describes the effect of present embodiment.As shown in Figure 2, link pin 12 by the leading section 53 of pin push part 13 often flexibly ejection at the inner face of pin-and-hole 41.

Therefore, if should pin push part 13,, also can produce noise because of the vibration of vehicle body etc. even a point gap is arranged between the inner face of pan 12 and pin-and-hole 41.And among the present invention, because link pin 12 is by the inner face of pin push part 13 brute force ground ejection in advance at pin-and-hole 41, so be not easy to produce noise.

In addition, owing to seat side flap 11 flexibly is bearing on the vehicle seat 6,, also can stop link pin 12 generation noises simultaneously to a certain extent so can stop the body side transfer of vibration to seat side by vibration- proof rubber 14,21.

Fig. 6 to Fig. 8 is a body side flap block diagram of representing the variation of push part respectively.Be provided with a pair of pin push part 60 that is the tongue shape among Fig. 6.

Pin push part 61 among Fig. 7 is identical with above-mentioned pin push part 13, but the downside of its free end pushing link pin 12.

Pin push part 62 among Fig. 8 be adopt rubber etc. suitably material forming be the shape of half cylinder, this push part 62 is positioned at the downside of link pin 12, and a part of periphery of link pin 12 is entered in the inner side slot 63 of push part 62.

At the peripheral part of pin push part 62, form the location with teat 64, this teat 64 is installed in the recess that is located at body side flap 10 bottoms in advance etc. and is positioned.

In each variation of Fig. 6 to Fig. 8, have only pin push part difference, other parts are all identical, thus other parts use with Fig. 1 to Fig. 5 in identical label represent.In addition, in each figure, only show nut 52, not shown bolt 26 (see figure 2)s.

The present invention is not limited to graphic form, can make various distortion.For example, also can be installed in the two ends of link pin 12 on the body side flap 10, making link pin 12 only is to run through seat side flap 11.

In addition, also can be installed in the pin push part on the seat side flap 11, when forming leaf-spring-like, its material is not limited to metal, also can be with formation such as rubber or synthetic resin.

Claims (2)

1. the saddle of a motor bike, by link body side flap that is installed in body side and the seat side flap that is installed in seat side with link pin, vehicle seat is installed in rotation on the vehicle body, it is characterized in that, be provided with the pin push part, this pin push part with link pin flexibly ejection be located at pin hole inner face on the flap for passing link pin.

2. the saddle of motor bike as claimed in claim 1 is characterized in that, the seat side flap flexibly is bearing on the vehicle seat.

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