CN1094446C

CN1094446C - Rear part structure of bicycle and tricycle

Info

Publication number: CN1094446C
Application number: CN96112601A
Authority: CN
Inventors: 龟水二己范
Original assignee: Honda Motor Co Ltd
Current assignee: Honda Motor Co Ltd
Priority date: 1995-09-12
Filing date: 1996-09-06
Publication date: 2002-11-20
Anticipated expiration: 2016-09-06
Also published as: JP3613483B2; TW302338B; FR2738544A1; JPH0976966A; FR2738544B1; CN1154931A

Abstract

The rear frame for a two or three wheeled motorised vehicle comprises a luggage boot (51) under the front part of a seat (23). A fuel tank (52) is provided under the seat rear. The chassis extends under the boot and fuel tank and a seat fixing (80) is inserted between them. A support (70) whose lower end (72) is attached to the vehicle chassis is positioned between the tank and boot. The support extends upwards and its lower end is permanently on the fuel tank front part (52b). The upper part (81b) of the seat fixing and the rear part (63b) of the boot are permanently in the upper region (73) of the support. A cover (63) covering the upper surface of the fuel tank has the luggage boot on its rear part (63b). A portico bracket (66) set vertically in the vehicle chassis rear part has its lower part (66a) permanently on the chassis.

Description

Two take turns, the rear structure of three-wheel vehicle

The present invention for about two take turns, the rear structure of three-wheel vehicle.

In the past, people were to automatic two-wheeled cycle, the automatic rear structure of three-wheel vehicle, and configuration or the installation constitution to vehicle seat, collection case, tanks carried out various improvement especially, for example, promptly belonged to this type of as " saddle-ride type vehicle " of real fair 5-39038 communique.Fig. 1 that is introduced in this communique and the technology of Fig. 3 are: the rear portion of small-sized automotive bicycle disposes the downside of this vehicle seat 30 of vehicle seat 30 (number is to quote in the communique, down together), disposes object keeping box 40 and tanks 70.

The rear portion is provided with the covering plate 60 (being equivalent to cover) along rear extension on object keeping box 40, and this covering plate 60 covers the top of tanks 70 (being equivalent to liquid tank).In addition, the cross pipe 8 on the rear frame 5 is fixed together the front portion of the flange 71 of tanks 70 and the bottom of support 101, and the installation portion at object keeping box 40 rear portions is being fixed on the top of this support 101 jointly.

The front portion of vehicle seat 30 is installed in the front side, top of object keeping box 40 by hinge 111, and lock (this vehicle seat lock key apparatus is formed by being installed in hook on the support 101 etc.) is executed by the vehicle seat lock key apparatus in its rear portion.

General run of thins, along with the change of cart or three-wheel vehicle car type, the shape of object keeping box 40 and tanks 70 also will change, and therefore, be necessary to change the shape of support 101.

But in aforementioned conventional art, support 101 is as a whole with the design of vehicle seat lock key apparatus, when change takes place car type, changes support 101 as need, then also needs to make again the vehicle seat lock key apparatus.Therefore, whenever when car type changes, changing the comparatively complicated vehicle seat lock key apparatus of structure, will cause production efficiency to reduce, the phenomenon of component management trouble.

, be fixed on the rear frame 5 in addition,,, cause erection work more to bother the quantity of installation component is increased so in a single day special-purpose installation component is set owing to cover the rear portion of the covering plate 60 on tanks 70 tops.

Therefore, order of the present invention is: (1) can improve the production efficiency of vehicle seat lock key apparatus no matter whether car type changes, and management is more prone to, (2) adopt simple structure, and a spot of member just can be installed the rear portion of cover and the rear portion of liquid tank simply.

Provided for achieving the above object by the present invention program's 1 described invention, it is characterized in that: be provided with the collection case in the place ahead of vehicle seat bottom, the rear is provided with liquid tank, vehicle body frame extends to two members below, take turns between two members, being provided with two of vehicle seat lock key apparatus, in the rear structure of three-wheel vehicle, the bottom of support element is connected with vehicle body frame between aforementioned two members, this support element extends to the top, the front portion of liquid tank is fixed on the bottom of support element, simultaneously, fixing the top of vehicle seat lock key apparatus and the rear portion of collection case jointly on the top of support element.

Thus, vehicle seat lock key apparatus and support element are the structure that is separated from each other, and when machine changes, only need to change the shape of support element, just can general vehicle seat lock key apparatus.

Scheme 2 described inventions, it is characterized in that: the rear portion of aforementioned collection case is provided with the cover that is covered with above the liquid tank, on the one hand, the upright door type carriage of establishing at the rear portion of aforementioned vehicle body frame, fixing the rear portion of aforementioned liquids jar and the bottom of aforementioned door type carriage on the aforementioned vehicle body frame jointly, the rear portion of aforementioned cover is installed in the top of aforementioned door type carriage.

Therefore,, be fixed together the erecting device that just can general fixedly cover and the erecting device of liquid tank with striding across the door type carriage of liquid tank and the rear portion of vehicle body frame and liquid tank in order to support the rear portion of cover.

By scheme 3 described inventions, it is characterized in that: be the installation rear support, and on the carriage of aforementioned door type, be provided with installation portion.

Therefore, be used to support the door pattern carriage of cover, rear support can be installed in optimum position.

Fig. 1 represents to relate to the lateral plan of small size automatic two-wheel cycle of the present invention;

Fig. 2 represents to relate to the lateral plan at small size automatic two-wheel cycle of the present invention rear portion;

Fig. 3 represents to relate to the amplification profile diagram of the main portion at automatic two-wheeled cycle of the present invention rear portion;

The section-drawing of the 4-4 line in Fig. 4 presentation graphs 3;

Fig. 5 represents to relate to the front elevation of vehicle seat lock key apparatus of the present invention;

Fig. 6 represents to relate to support element of the present invention, the oblique drawing of vehicle seat lock key apparatus;

Fig. 7 represents to relate to the action diagram of vehicle seat lock key apparatus of the present invention;

Fig. 8 represents to relate to the mounting list figure of vehicle seat lock key apparatus of the present invention.

The situation that invention is implemented

Once illustrate with regard to embodiments of the invention with reference to the accompanying drawings.

Fig. 1 is the lateral plan that relates to small size automatic two-wheel cycle of the present invention.Small size automatic two-wheel cycle 1 is by forming as the lower part: vehicle body frame 2; The car body that this vehicle body frame is covered covers 10; Front-wheel 21; Trailing wheel 22; Vehicle seat 23; Engine installation 41 etc.

25 is spare tyre, is installed on the bearing 26 and support 27 that is positioned at vehicle body frame 2 rear portions.

Vehicle body frame 2 is by forming as the lower part: head pipe 3; Be bearing in the front fork 4 that handling on this pipe 3 turns to; The Drive Section 5 that is connected with this front fork; Stretch to the following pipe 6 of the back lower place by head pipe place; The rear frame 7 that rearward is provided with continuously from the lower end of this time pipe 6.Front-wheel 21 is suspended in the bottom of front fork 4.

The shape of rear frame 7 is seen from the plane and slightly is ellipticity, mainly by forming as the lower part: the pair of right and left forward frame 7a that the lower end of pipe 6 slightly becomes on even keel rearward to extend certainly; From the rear portion of this forward frame 7a, the pair of right and left central frame 7b of portion that extends towards the back upper place; Interconnect the frame section 7c of this central frame portion 7b rear end.

Car body lid 10 is by forming as the lower part: cover the front portion of head pipe 3 and the protecgulum 11 and the front side cap 12 on front-wheel 21 tops; Cover the Drive Section lid 13 that Drive Section returns week; Cover the leg shield 14 in chaufeur shank the place ahead; Support chaufeur foot pedal 15; Cover the central lid 16 of central frame portion 7b front portion; The side cover 17 and the bottom 18 of both sides, covering body framework 2 rear portion; The rearmounted loam cake 19 of covering body framework 2 back upper lateral parts.The rear portion of side cover 17 disposes the rear mudguard 31 that covers trailing wheel 22 tops.

Fig. 2 is the lateral plan that relates to small size automatic two-wheel cycle of the present invention rear portion.Engine installation 41 is formed by 2 stroke forced air-cooling h type engine hs 42 with the stepless speed changer 43 that the outputting power of this driving engine 42 passes to trailing wheel 22, and this stepless speed changer 43 is connected with trailing wheel 22.In addition, the air filter of 44 expression driving engines.

The back suspension of automatic two-wheeled cycle 1 is the rocking arm mode, and engine installation 41 as rocking arm, is hung in engine installation 41 with posterior bumper 47 rear portion of rear frame 7.That is, rear-mounted structure is: with the front portion of engine installation 41, by connecting rod mechanism, can be installed in the front portion of the 7b of central frame portion, the rear portion of engine installation 41 is installed in the rear portion of the 7b of central frame portion by energy disperser 47 with teetering.

The below of the vehicle seat 23 at automatic two-wheeled cycle 1 rear portion disposes the collection case 51 and the tanks 52 (being equivalent to liquid tank) of front side, and this collection case 51 and tanks 52 are fixed on the 7b of central frame portion.But the upside of collection case 51 is the box shape of opening type, and vehicle seat 23 is installed in the front end on its flange 51a top by folding 53.Can collect in the collection case such as class things such as safety caps.

Other 56 is storage battery, and 57 is main support.

Fig. 3 is the expansion cross sectional drawing that relates to the principal part branch at automatic two-wheeled cycle of the present invention rear portion, the figure shows support element 70 and vehicle seat lock key apparatus 80 are configured in state in the space between collection case 51 and the tanks 52.

Near the aforementioned arrangements space, the 7d of cross frame portion athwart between central frame 7b, the 7b in about rear frame 7 (only showing a side among the figure), carriage 61 is being welded on the top of this cross frame 7d.

On the one hand, roughly be the top rear side of flat cover 63, rearward extend, and the top of tanks 52 is covered from collection case 51.In addition, have the hole 63a that the port lid 52a of the filler port that is used for tanks 52 exposes on the cover 63.

The mounting structure of aforementioned brackets member 70 and vehicle seat lock key apparatus 80 is: with the bottom (lower flange dish 72) of tanks 52 anterior installation portion 52b and support element 70, be fixed on the top of carriage 61 with bolt B, with the top (upper flange dish 81b) of vehicle seat lock key apparatus 80 and the rear portion installation portion (being equivalent to cover 63 anterior installation portion 63b) of collection case 51, be fixed on the top (upper flange dish 73) of support element 70 with bolt B.The effect of vehicle seat lock key apparatus 80 is that vehicle seat 23 is executed real lock function.

Between the support element 70 and vehicle seat lock key apparatus 80 that top is fixed each other; be provided with certain space S; dispose the critical component of vehicle seat lock key apparatus 80 in this space S; the major part of this vehicle seat lock key apparatus 80; by support element 70 and vehicle seat lock key apparatus 80 self, surrounded the effect of playing protection vehicle seat lock key apparatus 80 major parts by front and back.

The bottom hanging of vehicle seat 23 is useful on the lock pin 91 that vehicle seat lock key apparatus 80 is locked, and this lock pin 91 is that round bar is bent into the コ font that makes progress and the member that forms.

The 52C of department of assembly, rear portion of tanks 52 and the 63C of department of assembly, rear portion of cover 63 are being fixed in the rear portion of rear frame 7, and the details of relevant structure will describe in Fig. 4.

Fig. 4 is the cross sectional drawing of Fig. 3 section line 4-4, and rear frame 7 is to constitute by the 7b of central frame portion about

carriage

65,65 is welded on, the top of 7b.On this left and

right sides carriage

65,65, fixing the rear portion installation portion 52C of tanks 52 and both ends, left and right sides 66a, the 66a of door type carriage 66 jointly with bolt B, place in the middle of the left and right directions of the top 66b of this type carriage 66, the rear portion installation portion 63C with cover 63 fixes with bolt B.

In addition, for aforementioned rear support 26 can be installed, about door type carriage 66, be respectively equipped with stair-stepping installation portion 66C, 66C.Rear support 26 slightly is U font shape at in-plane, is that the tube type material by two outsides by door type carriage 66 is constituted, and this pipe profile is by

support element

67,67, and it is last and constitute to be fixed in installation portion 66C, the 66C of a type carriage 66 with bolt.Therefore be used to support the door type shape of the door type carriage 66 of cover 63, rear support 26 can be installed in only position.

By above-mentioned explanation automatic two-wheeled cycle 1 as can be known, as, shown in Figure 3 is the same, the place ahead of vehicle seat 23 bottoms, have collection case 51, have tanks (liquid tank) 52 in the wings, two members 51, vehicle body frame 2 is being extended in 52 below, two members 51, have vehicle seat lock key apparatus 80 between 52, support element 70 lower flange dishes 72 and two

members

51,52 vehicle body frame 2 is connected, prop up framework 70 and extend to the top, and the anterior installation portion 52b of tanks 52 is fixed on jointly the flange 72 of support element 70 bottoms, meanwhile, the preceding installation portion 63b of the flange 81b on vehicle seat lock key apparatus 80 tops and cover 63 (rear portion of collection case 51) is fixed on the upper flange dish 73 of support element 70 jointly.

In addition, automatic two-wheeled cycle 1 as shown in Figure 3, rear portion at collection case 51 has the cover 63 that covers above the tanks 52, on the other hand, as shown in Figure 4, door type carriage 66 is stood the rear portion that is located at vehicle body frame 2, the back installation portion 52c of tanks 52 and end (bottom) 66a of type carriage 66, be fixed on jointly on the vehicle body frame 2, back installation portion (rear portion) 63C of cover 63 is installed in 66b place, a type carriage 66 top.

In addition, for rear support 26 is installed, on the door type carriage 66 of automatic two-wheeled cycle 1, be provided with installation portion 66C.

Fig. 5 is the front elevation that relates to vehicle seat lock key apparatus of the present invention, the situation when expression is arranged on support element 70 front sides (front side of this figure) with vehicle seat lock key apparatus 80.

Vehicle seat lock key apparatus 80 is by constituting as the lower part: by the represented frame section 81 of two-dot chain line; Be installed in this frame section 81 inboards, and can be installed in the hook 82 and the lodge member 83 of the significant points (back side) of vehicle seat lock key apparatus 80 with rocking from side to side; Hang over the extension spring 84 between hook 82 and the lodge member 83.

The effect of hook 82 is that lock pin 91 is pinned.The effect of lodge member 83 is in locking-in state with lock pin 91 and lodge firmly links up with 82 in order to keep linking up with 82.The effect of extension spring 84, can keep linking up with 82 and lodge member 83 between be in a kind of relation condition that cooperatively interacts.

On the one hand, lodge member 83 and being assemblied between the lock 86 on the 7b of central frame portion is connected by metal connection lead 87, this metal connection lead 87 can rely on remove lock 86 be used for shaking lodge member 83.

In addition, CL represents the center of vehicle body frame.

Fig. 6 is the oblique drawing that relates to support element of the present invention and vehicle seat lock key apparatus, by support element 70 and vehicle seat lock key apparatus 80 being separated from each other and constituting.

Support element 70 is by flat wall portion 71 and produce flange 72 and upper flange dish 73 down and constitute, and is shaped as the open groove shape section body in front side.In order to move down on the not overslaugh lock pin 91, the left and right directions on the top of support element 70 be about the midway location place, have the recess 81d of U font

As previously mentioned; because the upper flange dish 81b of vehicle seat lock key apparatus 80 and support element 70 upper flange dishes 73 are together superimposed mutually; so form certain clearance between wall portion 71 and the 81a of wall portion; since dispose in this gap vehicle seat lock key apparatus 80 major part (as link up with 82, lodge member 83, extension spring 84), thereby the major part of vehicle seat lock key apparatus is by the wall portion 71 of front and back, 81a protection.

Then, with reference to Fig. 7 effect about the vehicle seat lock key apparatus 80 with said structure is described.

Fig. 7 (a) and (b) are the action diagram that relates to vehicle seat lock key apparatus of the present invention.

(a) be unlocking condition, under this state, press lock pin 91 when one, lock pin 91 will be pushed the arm 82a of hook 82 down, link up with 82 and will shake along dextrorotation veer among the figure so make.So lock pin 91 is pinned by the lock ditch 82b of hook 82, makes it to become the lock state of executing shown in (b) figure.

, when shown in Figure 5 lock carried out unlock operation, as the executing in lock state of Fig. 7 (b), connect steel wire 87 be subjected to stretch along (arrow 1. direction), make lodge member 83 shake (along 2. direction of arrow) along counter-clockwise hand of rotation thereafter.For this reason, lodge member 83 is in the lodge of removing with arm 82a, and extension spring 84 (along the 3. direction of arrow) makes hook 82 shake (along arrow direction 4.) along counter-clockwise hand of rotation.Thereby make lock pin 91 and sealed be opened of lock between the ditch 82.

Explanation is done in the assembling of the vehicle seat lock key apparatus 80 in the time of will changing the automatic two-wheeled cycle car type below.

Fig. 8 (a)-(c) expression relates to the Assembly Instruction Device figure of vehicle seat lock key apparatus of the present invention.

In sum, when the car type of automatic two-wheeled cycle changed, the shape of collection case 51 and tanks 52 was with different, and therefore, the shape of support element 70 is the equally difference shown in following (a)-(c) also.That is, (a) the bigger situation of height of expression support element 70, (b) situation of height when being moderate of expression support element 70, (c) height of expression support element 70 be than hour situation.

Because support element 70 among the present invention and the structure of vehicle seat lock key apparatus 80 for being separated from each other.Thereby, when car type changes, by the shape of abutment member 70 is carried out suitable change as (a)-(c), just can shared vehicle seat lock key apparatus 80.

Though in the foregoing description only the situation with regard to cart be described, also be applicable to three-wheel vehicle.

In addition, liquid tank is not limited in tanks 52, as also selecting lubricating can for use.

The present invention can bring into play following effect according to aforementioned structure.

In the scheme 1 described invention, the car between the bottom of support element and collection case and the fuel tank The body framework is connected, and this support element extends to the top, at the common fixer in the bottom of support element In the time of the front portion of body tank, on the top of support element, with top and the collection of vehicle seat lock key apparatus The rear portion of case is fixed together jointly, and the structure of vehicle seat lock key apparatus and support element becomes separate type Structure, when car type changes, because of as long as the change support element shape, just can share vehicle seat The locking key device. For this reason, the productivity ratio of production vehicle seat lock key apparatus is improved, and, because The kind of part tails off, and the management work of part will become and be more prone to.

Scheme 2 described inventions have the cover above the Covering Liguid tank, one at the rear portion of collection case The aspect sets up a type carriage at the rear portion of vehicle body frame, jointly be fixed wtih liquid tank on the vehicle body frame The rear portion and the bottom of door type carriage, the rear portion that cover has been installed on the top of door type carriage is to support The cover rear portion is consolidated jointly with striding across the door type carriage of liquid tank and the rear portion of vehicle body frame and liquid tank Fix on together, so can reach the erecting device of shared fixedly cover member and the installation dress of liquid tank The purpose of putting also can be with simple structure and less member, install simply cover after The rear portion of section and liquid tank.

In the door type carriage of scheme 3 described inventions, for being installed, rear support is provided with installation portion, profit With for supporting the set door type carriage of cover, just rear support can be installed in optimum position, from And increased the free degree of design aspect.

Claims

One kind two take turns, the rear structure of three-wheel vehicle, this is configured to, the place ahead below vehicle seat is provided with the collection case, the rear is provided with liquid tank, vehicle body frame extends in the below of two members, the vehicle seat lock key apparatus is set between two members, it is characterized in that, the support element bottom is connected with vehicle body frame between aforementioned two members, this support element extends to the top, in the support element bottom front portion of liquid tank is fixed, simultaneously, on the top of support element the top of vehicle seat lock key apparatus and the rear portion of collection case are fixed together.
By claim 1 described two take turns, the rear structure of three-wheel vehicle, it is characterized in that: the rear portion of aforementioned collection case is provided with the cover that covers above the liquid tank, on the one hand, the upright rear portion that is located at aforementioned vehicle body frame of door type carriage, on aforementioned vehicle body frame, fixing the rear portion of aforementioned liquids jar and the bottom of aforementioned door type carriage jointly, the top of aforementioned door type carriage is installed with the rear portion of aforementioned cover.
By claim 2 described two take turns, the rear structure of three-wheel vehicle, it is characterized in that: be arranged on the aforementioned door type carriage the installation portion that rear support uses is installed.