CN1094444C

CN1094444C - Stand for motor-driven bicycle

Info

Publication number: CN1094444C
Application number: CN96122473A
Authority: CN
Inventors: 堀内忠德; 林秀树
Original assignee: Honda Motor Co Ltd
Current assignee: Honda Motor Co Ltd
Priority date: 1995-10-26
Filing date: 1996-10-15
Publication date: 2002-11-20
Anticipated expiration: 2016-10-15
Also published as: CN1159994A; JP3659367B2; ITTO960785A1; IT1285001B1; JPH09175458A

Abstract

This present invention improves the rigidity and realize a light weight with a low cost, as well as reduce the number of manufacture processes, by integrally molding at least the pivot part, of the pivot part, the main body, and the operation part of a stand pivoted allowable to flactuate, on the lower part of the body of a motorcycle. The charactor of it is : in pivot shaft of the bracket 23, main body 71 and operation part 72, at least the pivot shaft 73 is integerally founded.

Description

The support of two-wheeled vehicle

Technical field

The present invention relates to when two-wheeled vehicle stops, support the support of car body.

Background technology

The support of existing two-wheeled vehicle is normally made like this: round bar is bent to form the body of main support, and the steel plate system carriage that will have a hinge portion is welded on the base end part of above-mentioned rack body portion.

Above-mentioned steel plate system carriage is that the front and back pressed sheet butt welding that is formed by punch process is formed, and its inside is hollow, obtains the high and lightweight structure of rigidity thus.

In special public clear 63-5313 number of Japanese patent gazette, disclosed a kind of support, it is to make like this, a pair of pressed sheet before and after promptly preparing with punch process earlier, this pressed sheet forms an integral body with rack body portion and hinge portion, again with the butt joint of two pressed sheets and flange part is bonded with each other.Flange part is used spot-welded on each other, and inside forms a shape hollow, can keep intensity and expendable weight.

But, in the manufacturing of above-mentioned existing support, all must set firmly operation such as ground engaging component through the formation of the butt welding of the processing of pressed sheet, front and back pressed sheet, hinge portion, in the stent foot bottom and could finally make support, make that work capacity is many, welding sequence is complicated, bothersome effort, cost is also high.

But though form the hollow expendable weight in inside, the flange part that need be used to weld has increased weight to the welding that is superimposed together of this flange part again.

In addition, because the influence of the thermal deformation of welding is difficult for guaranteeing quality.

Summary of the invention

The present invention makes in view of the above problems, and its purpose is to provide a kind of and makes that work capacity is few, rigidity is high, the support of lightweight two-wheeled vehicle.

In order to achieve the above object, the support of two-wheeled vehicle of the present invention, pivot props up the car body bottom at two-wheeled vehicle swingably, support car body when erecting, vehicle can travel when packing up, and in the hinge portion of this support, body and the operating portion, the hinge portion is integrally formed by casting at least.

Owing to be cast as one to the major general hinge portion, just do not need the steel plate butt welding is formed the operation of carriage, do not need to form the operation of hinge portion yet, therefore make work capacity and reduce, can reduce the trouble and the manpower of manufacturing operation, can cost-cutting and expendable weight.

Preferably, in the support of two-wheeled vehicle of the present invention, use the parts that separate with above-mentioned hinge portion to form above-mentioned body and operating portion, the body cardinal extremity is fixed on the hinge portion of inblock cast shaping, can easily make support.

Preferably, the support of two-wheeled vehicle of the present invention is shaped above-mentioned body and operating portion and above-mentioned hinge portion inblock cast, can reduce the manufacturing work capacity, textural also can be when fully guaranteeing rigidity expendable weight, and can cost-cutting.

Preferably, the support of two-wheeled vehicle of the present invention, periphery forms rib in above-mentioned rack body portion, makes the body section be concave shape, can improve the rigidity of support, and expendable weight.

Preferably, the support of two-wheeled vehicle of the present invention is to use the front and back forming die as cast that die joint is arranged along its body, available few mold component casting frame.

Description of drawings

Fig. 1 relates to the whole lateral plan of the small-size motorcycle type two-wheel motor vehicle of one embodiment of the invention.

Fig. 2 is the main portion enlarged drawing of two-wheeled vehicle shown in Figure 1.

Fig. 3 is that III among Fig. 2 is to view.

Fig. 4 is the subsequent figures of main support.

Fig. 5 is the planar view of main support.

Fig. 6 is the lateral plan of main support and the figure of expression mold amalgamation.

Fig. 7 is the cross sectional drawing along VII-VII line among Fig. 4.

Fig. 8 is the cross sectional drawing along VIII-VIII line among Fig. 4.

Fig. 9 is the main support subsequent figures of another embodiment.

Figure 10 is the lateral plan of Fig. 9 institute main support.

Figure 11 is the cross sectional drawing along XI-XI line among Fig. 9.

Figure 12 is the cross sectional drawing along XII-XII line among Fig. 9.

Figure 13 is the cross sectional drawing along XIII-XIII line among Fig. 9.

Figure 14 is that XIV among Figure 10 is to view.

Figure 15 is the lateral plan of the main support of another embodiment.

Figure 16 is the cross sectional drawing along the XVI-XVI line among Figure 15.

Figure 17 is the cross sectional drawing of the various section forms of expression main support body.

Figure 18 is the subsequent figures of the main support of another embodiment.

Below, referring to figs. 1 through Fig. 8 one embodiment of the present of invention are described.

The specific embodiment

Present embodiment is applicable to small-size motorcycle type two-wheel motor vehicle, and Fig. 1 is the whole lateral plan of this small-size motorcycle type two-wheel motor vehicle 1.

The vehicle frame of this small-size motorcycle type two-wheel motor vehicle 1 is such: from the beginning pipe 3 manages 2 extensions downwards down, be divided into two strands and extend to pair of right and left body frame 4 from managing 3 bottom down, board 4a is ridden in formation to horizontal rear is crooked to body frame 4 for this, be bent to form riser portions 4b more obliquely upward, form rear rake 4c through riser portions 4b again, the rear end bends right and left and fuses.

Deflecting bar 5 is embedded in the head pipe 2, is supporting handlebar 6 in the top, and the lower end is connected with

front fork

7, and 8 on front-wheel props up on this front fork 7.

Above the rake 4c of the rear of body frame 4, setting-in object keeping box 10, also is provided with the vehicle seat 11 that can open and close object keeping box 10 top openings.

Below the rake 4c of the rear of body frame 4, setting oscillating type

unit power plant

12,13 rear ends of trailing wheel at this unit power plant 12.

Engine lifting bracket seat 15 connects that ground is rearward prominent to be established from about the riser portions 4b of pair of right and left body frame 4, and unit power plant 12 can be connected on the engine lifting bracket seat 15 by engine lifting bracket connecting rod 16 with swinging up and down.

The front end of engine lifting bracket connecting rod 16 props up central authorities at engine lifting bracket seat 15 by pin 17 pivots, and prop up on the engine bed of the front end bottom of unit power plant 12 by pivot 18 pivots the rear end of engine lifting bracket connecting rod 16.

Between the rear rake 4c of the rear portion of unit power plant 12 and body frame 4, energy disperser 19 is installed.

In the front portion of unit power plant 12, setting the upright 2 stroke IC engines of establishing 20 of cylinder up, the crooked downwards back of freeing pipe 21 of forwards stretching out from cylinder is connected with the right side silencer 22 of trailing wheel 13.

Kick lever 23 can be provided with along the left surface of unit power plant 12 with freely swinging, and its front end is embedded on the starting shaft 24.

In the rear end that engine lifting bracket seat 15 is given prominence to, main support 30 pivot swingably props up on pivot 25.

Among Fig. 2 and Fig. 3, the rear end of engine lifting bracket seat 15, the 15l of bearing portion, 15r are outstanding to the left and right, and the cardinal extremity hinge portion 32 of main support 30 is clipped between the 15l of this bearing portion, the 15r, and pivot 25 runs through therebetween that pivot is propping up this support 30.

In the 15l of bearing portion of engine lifting bracket seat 15, the place ahead of 15r, form limited wall 15a, when main support 30 was swung downwards, 15a contacted and the state of being kept upright with limited wall.

In addition, desired location below unit power plant 12 is setting limiting component 26, when main support 30 is rearward upspring, contacts with limiting component 26 and becomes collapsed state.

Left and right sides flange part is arranged on engine lifting bracket seat 15, wearing the mounting hole 15c of spring 27, between the hook portion 35 of this mounting hole 15c and main support 30, spring 27 is installed at the rear end of left side flange part 15b, the oblique upper place, front of pivot 25.

This main support 30 is foundry goods that FCD (spheroidal graphite iron) makes, extremely shown in Figure 8 as Fig. 2, this main support 30 is by body 31, cardinal extremity hinge portion 32, respectively hold grounding parts 33l, the 33r that extends to the left and right from the 31l of left and right sides foot, the 31r of body 31, from left side grounding parts 33l end bent and the operating portion 34 that rearward extends, and from left side body 31 mediads left side outstanding hook portion 35 constitutes.Each part mentioned above 32,33l, 33r, 34,35 are configured as one by casting and body 31.

In addition, also can adopt aluminium casting.

The monomer shape of expression main support 30 among Fig. 4 to Fig. 8.Body 31 is made of the 31l of foot, 31r about it and connecting portion 31m, erecting posture, the periphery of body 31 forms rearward crooked rib 31a, in the inside of body 31, along whole approximately and each 31l of foot, 31r formation recess 31b of connecting portion 31m.

From the front elevation (see figure 3), the 31l of foot, 31r are tapered towards front end from cardinal extremity, and shown in dotted line in Fig. 6 lateral plan, the degree of depth of recess 31b shoals gradually towards front end, on the contrary wall thickness thickening gradually, therefore, basal area is slightly to equate from the cardinal extremity to the front end, and impartial intensity is arranged.

At the middle position of connecting portion 31m, wearing drain gutter 31c.

Shown in the cross sectional drawing (see figure 7) of connecting portion 31m, connecting portion 31m forms flat concavity by the rib 31a that bends right and left.

Shown in the cross sectional drawing (see figure 8) of the 31l of left side foot, form concavity by circumference 31a and recess 31b.

Body 31 has alleviated weight by this concavity when keeping high rigidity.

The cardinal extremity of the connecting portion 31m of body 31 bloats to the left and right, and its left and right end portions forms hinge portion 32.

On hinge portion, the left and right sides 32, be formed with the circular hole 32a of concentric, this hinge portion 32 is clipped between the 15l of left and right sides bearing portion, the 15r of engine bed seat 15 rear ends, and pivot 25 runs through the 15l of left and right sides bearing portion, the 15r pivot is propping up main support 30.

About grounding parts 33l, 33r be round bar shape, from the top of the 31l of foot, 31r substantially to the left and right the direction on even keel stretch out.

This left side grounding parts 33l is after left stretches out, and oblique rear is stretched in bending immediately, arrives operating portion 34, and the end bent of this operating portion 34 also bloats flatly.The figure (see figure 6) is seen from the side, and grounding parts 33l is substantially perpendicular to body 31 ground bendings, and the operating portion 34 on top is driver's the direct acting part of pin.

The hook portion 35 outstanding from the mediad left of the 31l of left side foot is tabular, forms the recess 35a under shed in its end, forms rib 36 in the front of this hook portion 35, and this rib 36 is used to strengthen the base end side intensity of outstanding hook 35.

One end of spring 27 hangs on the recess 35a of hook portion 35, and the other end hangs in the mounting hole 15c of flange part 15b rear end, left side of engine lifting bracket seat 15.This spring 27 can keep the state that erects and the collapsed state of main support 30 to mounting hole 15c one layback of main support 30 toward engine bed seat 15.

This main support 30 is to be body 31 and hinge portion 32, grounding parts 33l, 33r, operating portion 34, hook portion 35 cast forms one, as shown in Figure 6, be shaped with the front and back mold 40,41 that die joint 42 is arranged along body 31, available few mold part manufacturing, and can regulate the wall thickness of body 31 easily.

Because whole parts of main support 30 all cast form are one, so need not to weld the joint operation and the joining jig of each parts etc., it is few to make work capacity, thereby can cut down the time and labor of manufacturing operation significantly, cost-cutting.

In addition, also need not worry to produce thermal deformation because of welding waits.

Above-mentioned body 31 is because of section forms concave shape, thus can be when guaranteeing high rigidity expendable weight.

In addition, can the rib as rib 36 can be set simply integratedly at the position of needs, easily obtain essential intensity according to load condition free adjustment wall thickness partly.

Below, with reference to Fig. 9 to Figure 14 another embodiment main support 50 is described.

The body 51 of present embodiment main support 50 is made of the 51l of left and right sides foot, 51r and connecting portion 51m, the 51l of left and right sides foot, 51r slightly are round bar shape, and connecting portion 51m uses the crooked round bar 51a of portion that links to each other with the 51l of left and right sides foot, 51r that two base end parts of left and right sides foot are coupled together.

Connecting portion 51m bloats into rectangular plate shape at the opposition side of the 51l of foot, 51r, and 3 limit peripheries of this rectangle are crooked and form rib 51b, and the inside that is surrounded at rib 51b and round bar 51a by this 3 limit forms recess 51c.

On the diapire of this recess 51c, form the slotted hole 51d of left and right directions.

In the back of the crooked round bar 51a of portion of connecting portion 51m, form long curved recessed portion 51e, the base end part of the two ends, the left and right sides of this recess 51e through 51l of left and right sides foot, 51r, the both sides of this recess 51e are the shape (seeing Fig. 9 and Figure 12) with rib 51f.

On the relative rib 51b, form hinge portion 52 about in the rib 51b of connecting portion 51m, on each hinge portion 52, form the bearing hole 52a of concentric.

Crooked and the outward direction of the leading section of the 51l of left and right sides foot, 51r extends, and forms grounding parts 53l, 53r, and left side grounding parts 53l is when the state that main support 50 erects, and is rearward crooked, form the flat operating portion 54 in end.

Be formed with rib 56 at the long left side grounding parts 53l that extends of this length with the 51l of foot bending junction, also form rib 57 at the root of operating portion 54, these ribs play reinforcement.

On the 51r of right side foot, outwards the side is outstanding from central authorities for hook portion 55, is formed for hanging the engaging groove 55a of spring at its front end.

This main support 50 also is body 51 and hinge portion 52, grounding parts 53l, 53r, operating portion 54 and the casting of hook portion 55 usefulness and formation one.

With the foregoing description similarly, have the front and back mold of die joint to be cast as by using along body 51, can be with few mold component manufacturing, to make work capacity few thereby can make, cost is low.

Form recess

51c, 51e on the body 51, but expendable weight forms concave cross section by

rib

51b, 51f, can improve rigidity, obtains enough intensity.

Can freely change wall thickness as required, make the thickness that be fit to require, and can form the reinforcing section of

rib

56,57 etc. simply.

Below, with reference to Figure 15 and Figure 16 another embodiment is described.

The main support 60 of present embodiment is identical to main support 30 shown in Figure 8 with Fig. 1 haply, is the left and right sides foot section form H font as shown in figure 16 of body 61, and the end shape of hook portion 62 is also different.

This main support 60 is being propped up by 63 on the pivot of hinge portion to the bearing portion of the engine lifting bracket seat that do not show of figure, and an end 65a of spring 65 hangs on the double pointed nail 64 of base side, and other end 65b hangs in the recess 62a of hook portion 62 (seeing Figure 15).

Shown in dashed area among Figure 15, the part that forms the recess 62a of hook portion 62 is special section form, the end 65b of spring 65 bends to the コ font, the contact surface 62b that joins with the bonding part 65c of end 65b is flat arc surface, and this flat arc surface is the center near between close pivot 63 and the double pointed nail 64.

Therefore, as shown in figure 15, when main support 60 is swung between the state R at lodging state P and erecting, the contact point of the abutted surface 62b of the bonding part 65c of end 65b of spring 65 and hook portion 62 is changed continuously.

That is, as shown in figure 15, contact q, the contact r when erecting state R when contact P, intermediateness Q during main support 60 lodging state P gradually change.

Because the abutted surface 62b of hook portion 62 is above-mentioned slightly flat arc surface,, that is, reduce from the lodging state P that shortens the most to the telescopic variation amount of the intermediateness Q (seeing Figure 15) of elongation the most so the telescopic variation of spring 65 is such.

Therefore, the stress of spring 65 can have more than needed, can reduce the spring linear diameter, and saving in material takes.

In addition, in the present embodiment, the section of the left and right sides foot of the body 61 of main support 60 forms H font shown in Figure 16 keeping high rigidity, but also can make 1 to 9 various section forms as shown in figure 17, also can constitute other section forms that can guarantee desired stiffness.

Below, another embodiment that explanation is shaped the hinge portion inblock cast with reference to Figure 18.

Present embodiment also relates to main support 70, and Figure 18 is the subsequent figures of the state that erects of this main support 70.Body 71 and operating portion 72 are formed by a shaft-like steel bending, and hinge portion 73 is other, is the ironcasting made from FCMW (white-heart malleable iron), and this hinge portion 73 is welded to each other with shaft-like steel.

In addition, the foundry goods of aluminum also can be adopted in hinge portion 73, and above-mentioned in this case pole stock also should be an aluminium.

The shaped slightly of the hinge portion 32 that hinge portion 73 and Fig. 1 are extremely embodiment illustrated in fig. 8 together, about cardinal extremity, form the circular hole 73a of concentric, when erecting posture, periphery rearward is bent to form and is rib 73b, portion within it, along whole approximately of connecting portion 73m with about be connected the 73l of foot, 73r and form recess 73c.

Connect from the left side 73l of foot to the outstanding hook portion 74 of left also with hinge portion 73 whole cast shapes, form the recess 74a of opening downwards in the end of this hook portion 74, in the front of hook portion 74, form from the extended rib 74b of base end side.

In addition, body 71 and operating portion 72 are made of a steel pipe, the base end part 71m of body 71 is big bending, about form the 71l of foot, 71r, extend to form grounding parts 71al, 71ar to the left and right from each end of the 71l of this left and right sides foot, 71r, bending extends back and forms operating portion 72 again from the end of left side grounding parts 71al.

The crooked base end part 71m of the body 71 of this steel pipe system is entrenched in hinge portion 73 from the rear connecting portion 73m with about be connected the 73l of foot, 73r recess 73c go up and with its welding, affixed in aggregates.

As mentioned above, in the present embodiment, because hinge portion 73 and hook portion 74 casts solid, so not needing or not to form the operation of hinge portion with the operation of punching press steel plate butt welding with the manufacturing bracket yet, make the work capacity minimizing thereby can make, reduce the miscellaneous and labour of manufacturing operation, cost-cutting.

Even the type difference, the occasion of communizations such as hinge portion 73 and hook portion 74 is also many, under this occasion, owing to only need remanufacturing body and operating portion, so can reduce investment.

In the foregoing description, the present invention is applicable to main support, but also applicable to side stand.

Among the present invention, because the hinge portion is a cast-in-block at least, so do not need the butt welding steel plate to make the operation of bracket, do not need to form the operation of hinge portion yet, therefore, make work capacity and reduce, can reduce the miscellaneous and labour of manufacturing operation, cost-cutting and expendable weight.

Because the body of support is that inblock cast is shaped with hinge portion, operating portion, so, Fabrication procedure seldom, rigidity height and in light weight, but cost-cutting.

Because form rib in rack body portion periphery, the section of body is concavity, so the rigidity of support is high and in light weight.

Because support is to use along its body to have the front and back forming die of die joint fluid origin, thus available few mold part casting frame, and also the adjusting of the wall thickness of body is simple, keeps required intensity easily.

Claims

1. the support of a two-wheeled vehicle, this support pivot swingably props up car body bottom at two-wheeled vehicle, supports car body when erecting, and vehicle can travel when packing up, it is characterized in that: in the hinge portion of this support, body and the operating portion, the hinge portion is that inblock cast is shaped at least.

2. the support of two-wheeled vehicle as claimed in claim 1 is characterized in that: above-mentioned body and operating portion are to use the parts that separate with the hinge portion to form in addition.

3. the support of two-wheeled vehicle as claimed in claim 1, it is characterized in that: above-mentioned body and operating portion are shaped with above-mentioned hinge portion inblock cast.

4. the support of two-wheeled vehicle as claimed in claim 3, it is characterized in that: above-mentioned body forms rib in periphery, thereby its section is become concave shape.

5. as the support of claim 3 or 4 described two-wheeled vehicles, it is characterized in that above-mentioned support is to use along its body to have the front and back forming mould of die joint to cast.