CN1712302A

CN1712302A - Passenger restraining device of bicycle

Info

Publication number: CN1712302A
Application number: CN 200510076376
Authority: CN
Inventors: 角田和彦
Original assignee: Honda Motor Co Ltd
Current assignee: Honda Motor Co Ltd
Priority date: 2004-06-21
Filing date: 2005-06-10
Publication date: 2005-12-28
Anticipated expiration: 2025-06-10
Also published as: JP2006001499A; JP4225497B2; TW200600395A; TWI259818B; CN100387482C

Abstract

The invention provides a rider control device for a two wheeler easily applied to a small vehicle and capable of suppressing load applied to a rider without enlarging a pad. The rider control device for the two wheeler comprises a control pad 30 mounted to a handlebar 16 to face the rider; a front fork 15 supported to be steerable by a head pipe 11; a handle pipe 20 for connecting the handlebar 16 to the front fork 15; and a bellows-like crushing body absorbing forward load applied to the control pad 30 to plastically deform the handle pipe 20 to incline forward in a predetermined position.

Description

The occupant restraining device of cart

Technical field

The present invention relates to a kind of occupant restraining device of cart, relate in particular to the occupant restraining device of the cart that the restriction occupant moves to car body the place ahead.

Background technology

In automatic two-wheeled cycle, as the technology that the restriction occupant moves to car body the place ahead, patent documentation 1 discloses near the instrument carrier panel of cart and has disposed air bag, and is detecting the technology that starts air bag when impacting.

Patent documentation 1: the spy opens flat 11-278342 communique

In the patent documentation 1 described technology, must all absorb by the chest liner and be used to limit the load that the occupant moves, thereby cause the maximization of chest liner.(in the described technology, must near instrument carrier panel, guarantee to be used to load the space of gas bag unit and control unit thereof, and acceleration pick-up must be installed, thereby be difficult to be applied on the small-sized cart at patent documentation 1.

Summary of the invention

The object of the present invention is to provide a kind of occupant restraining device of cart, the occupant restraining device of this cart can solve an above-mentioned prior art difficult problem, be easy to be applied to dilly, and can suppress to be applied to the load on the occupant and the maximization that can not cause liner.

In order to achieve the above object, occupant's moving limiting device that the occupant of restriction cart of the present invention moves to car body the place ahead is characterized in that adopting following equipment.

(1) comprising: the turning member of the tubulose that relatively be installed in restriction liner on the handle with the occupant, supports by the head pipe capable of free rotationly, with handle be connected the handle link of the tubulose on the above-mentioned turning member and absorption be applied to the load forward on the restriction liner and make the handle link on assigned position with leaning forward the snake abdomen shape of generation plastic deformation damage body by pressure.

(2) comprise the strengthening part of the amount of leaning forward that is used to limit the handle link.

The invention effect

(1) according to scheme 1 described invention, owing to consume, absorb a part of load that imposes on the restriction liner, the energy that the handle link is leaned forward as making above-mentioned snake abdomen shape damage that body deforms by pressure, thereby can reduce the load that imposes on the occupant.

(2),, the location dimension of restriction liner can be held in more than the specified altitude owing to can limit the amount of leaning forward of handle link according to scheme 2 described inventions.

Description of drawings

Fig. 1 is a lateral plan of using the small size automatic two-wheel cycle of occupant restraining device of the present invention.

Fig. 2 is the front view that expression is equipped with an example of the handle that limits liner.

To be expression stop the scheme drawing of the state that the occupant moves by the restriction liner to Fig. 3.

Fig. 4 possesses the cutaway view that snake abdomen shape damages the handle tube of body by pressure.

Fig. 5 is the expression handle tube damages body by pressure by snake abdomen shape the flexible cutaway view that produces the state of plastic deformation.

Fig. 6 is the cutaway view of an example of the strengthening part at the expression angle of inclination that is used to limit handle tube.

Fig. 7 is the amount of movement of expression restriction liner and imposes on the figure that concerns between occupant's the load.

Fig. 8 is another routine front view that expression is equipped with the handle of restriction liner.

The specific embodiment

Below, with reference to description of drawings preferred implementation of the present invention.Fig. 1 is a lateral plan of using the small size automatic two-wheel cycle of occupant restraining device of the present invention, and body framework 10 is mainly by following component set-up: leading section is fixed with the main car frame pipe 12 of head pipe 11, vehicle frame pipe 14 (14L, 14R) after the cross branch that rearward end meets at right angles and on even keel is fixed 13 of this main car frame pipe 12 and front end connect the pair of right and left that is arranged on above-mentioned cross branch 13 both ends respectively.

Above-mentioned main car frame pipe 12 one connection is provided with the descending vehicle frame 12a of portion and constitutes with the following vehicle frame 12b of portion, wherein, the described descending vehicle frame 12a of portion tilts to the back lower place from above-mentioned head pipe 11, the described 12b of vehicle frame portion down from the rear end approximate horizontal of this descending vehicle frame 12a of portion extend back.Above-mentioned cross branch 13 extends setting to the left and right directions of body framework 10, the rearward end of the fixing above-mentioned main car frame pipe 12 in right angle on the central portion of this cross branch 13.Vehicle frame pipe 14 one connect and the rising vehicle frame 14a of portion and the last vehicle frame 14b of portion to be set and to constitute after the above-mentioned pair of right and left, wherein, the described rising vehicle frame 14a of portion from above-mentioned cross branch 13 both ends rearward upside extend the described 14b of vehicle frame portion of going up from the rear end approximate horizontal of this rising vehicle frame 14a of portion extend back and make the rearward end opening toward each other at horizontal in-plane bending.

On above-mentioned head pipe 11, be supported with front fork 15 as the turning member that supports front-wheel Wf capable of free rotationly; And, be connected with steering handle 16 by handle tube 20 as the handle link in the upper end of this front fork 15.With power unit P up and down direction swingingly be bearing in the front portion of above-mentioned back vehicle frame pipe 14, described power unit P is made of driving engine E that is configured in trailing wheel Wr front side and the stepless speed changer that is configured in trailing wheel Wr left side; And trailing wheel Wr is held in the rear axle support at power unit P.Upper left-hand at trailing wheel Wr is provided with air filter 29.

Back vibration absorption unit 17 is being set between the vehicle frame pipe 14L behind the rear portion of power unit P and the left side.Freeing pipe 18 extends out to the right side of trailing wheel Wr from driving engine E, and this freeing pipe 18 is used to guide the waste gas of discharging from driving engine E, and this freeing pipe 18 is connected on the exhaust gas silencer 19 that is located at trailing wheel Wr right side.Storage tank 25 is arranged on the top of above-mentioned driving engine E, and about being supported between the front portion of back vehicle frame pipe 14.

Be coated with plastic car body cover 21 on the body framework 10, this car body cover 21 has: cover the leg shield 22 of occupant's leg front side, the pedal 23 that links to each other with leg shield 22 bottoms of placing occupant's leg and link to each other with above-mentioned pedal 23 and from the side cover 24 at covering body rear portion, both sides.

Above-mentioned storage tank 25 and Fuel Tank (not shown) are covered by above-mentioned side cover 24, and the top of this side cover 24 can be equipped with opening and closing from above cover the seat 26 of above-mentioned storage tank 25.Promptly, above-mentioned pedal 23 is formed on the car body cover 21 in the mode that is arranged between steering handle 16 and the seat 26, and be provided with frame sides carriage 27 below pedal 23 rear ends, described frame sides carriage 27 is bearing in above-mentioned power unit P on the vehicle frame 10 swingably.

With reference to Fig. 2, on above-mentioned steering handle 16, be fixed with pair of right and

left plate member

31L, 31R, be equipped with on this plate member 31L, the 31R with occupy seat 26 on the relative restriction liner 30 of occupant.As shown in Figure 3, by above-mentioned restriction liner 30, even the occupant is when glancing impact etc. moves forward because of inertia, thus restriction liner 30 also can withstand occupant's chest near restriction continue to move, so can be with occupant's mobile being limited in the specialized range forward.In addition, in the present embodiment, above-mentioned handle tube 20 is provided with the load absorbent portion, when forward the load that applies to above-mentioned cushion packing 30 above the required standard value, and absorbing load and cushion the load that imposes on the occupant.

Fig. 4 is the cutaway view of above-mentioned load absorbent portion, and label is as hereinbefore represented same section or equal part.

On head pipe 11, it is inboard inserts and is connected with thick-wall front fork 15 and is supported by this bearing sub-assembly 34 capable of free rotationly.In the upper end of above-mentioned front fork 15, the lower end of logical fixed handle pipe 20 is inserted in its outside, and formation snake abdomen shape damages body 32 by pressure insert the upper end of logical front fork 15 at handle tube 20 near.

In this formation, when applying forward the load of overshoot standard value to above-mentioned automatic liner 30, the handle tube 20 that wall thickness is thinner than above-mentioned front fork 15 begins to produce deflection.As shown in Figure 5, when stress surpassed snake abdomen shape and damages the stress limit of body 32 by pressure, the toe lateral that snake abdomen shape damages body 32 by pressure is damaged by pressure and its rear portion side begins to produce the plastic deformation of elongation, and handle tube 20 beginnings are to front curve.

Fig. 8 be the expression above-mentioned restriction liner 30 forward amount of movement and impose on the scheme drawing that concerns between the load of occupant's chest, if above-mentioned snake abdomen shape damages body 32 by pressure and does not insert logical handle tube 20, then as shown in phantom in FIG., the moment that exceeds yield point at stress, handle tube 20 ruptures and can not keep elasticity, so avoid being applied to the load on the restriction liner 30.

Handle tube 20 as mentioned above, in the present embodiment, damages body 32 by pressure, so after this snake abdomen shape damaged body 32 beginning plastic deformation by pressure, still can be kept elasticity and can not rupture owing on handle tube 20, be provided with snake abdomen shape.Therefore, shown in solid line among Fig. 8, the amount of movement forward of above-mentioned restriction liner 30 and the pass that imposes between the load of occupant's chest are: handle tube 20 also roughly keeps steady state after exceeding yield point, so when the load that exceeds handle tube 20 stress limit is applied on the above-mentioned restriction liner 30, also can absorbs the part of this load and reduce the load that imposes on chaufeur.

But in the above-described embodiment, because handle tube 20 to be being that fulcrum carries out bending near front fork 15 tops, therefore the mobile quantitative change along with restriction liner 30 is big, and its position is step-down also.Therefore, as shown in Figure 6, in the present embodiment, the strengthening part 28 of the amount of movement of liner 30 is promptly limited at the angle of inclination that is provided with restriction handle tube 20 on the downside of the above-mentioned curve of handle tube 20 or head pipe 11.Like this, even apply big load forward to restriction liner 30, the position of restriction liner 30 also can remain on more than the specified altitude.

In addition, in the above-mentioned embodiment, though so that the situation that snake abdomen shape damages body 32 by pressure is set on the handle tube 20 of steering handle 16 and front fork 15 is that example illustrates connecting, but the present invention is not limited thereto, also can be as the example of one among Fig. 7, handle 16 constitute by pair of right and left handle 16L, 16R and the cart of the above-mentioned handle tube 20 of double as in, on the root A of left and right sides grip member 16L, 16R that the with dashed lines circle surrounds, above-mentioned snake abdomen shape is set respectively and damages body 32 by pressure.

Claims

1. the occupant restraining device of a cart, the occupant of restriction cart moves to car body the place ahead, it is characterized in that, comprising:

The restriction liner relatively is installed on the handle with the occupant;

The turning member of tubulose is supported by the head pipe capable of free rotationly;

The handle link of tubulose is connected to described handle on the described turning member; With

Snake abdomen shape damages body by pressure, absorbs the load forward that is applied on the described restriction liner, and described handle link is deformed with leaning forward on assigned position.

2. the occupant restraining device of cart according to claim 1 is characterized in that, also comprises the strengthening part of the amount of leaning forward that is used to limit described handle link.