CN1079756C

CN1079756C - Mounting structure of front cover

Info

Publication number: CN1079756C
Application number: CN99103655A
Authority: CN
Inventors: 本岛伴康
Original assignee: Honda Motor Co Ltd
Current assignee: Honda Motor Co Ltd
Priority date: 1998-03-27
Filing date: 1999-03-11
Publication date: 2002-02-27
Anticipated expiration: 2019-03-11
Also published as: ID22320A; BRMU7903461Y1; BRMU7903461U; JPH11278338A; CN1230500A; JP4124290B2

Abstract

The front portion at which a head pipe 6 is arranged to support for turning motion a front fork 2 that supports a front wheel 1 is covered in a front cover 21 on the front side and in a leg shield 22 on the rear side. The front cover 21 is designed to have a nose 31 with forward protrusion within that of a movable front fender 25 and a left and right sides with downward protrusion beyond that of the nose 31. The back circumference of the front cover 21 thus constituted is screwed direct to the front circumference of the leg shield 22 with no support by the head pipe 6. The front portion are able to enlarge the internal storage space of a front cover and reduce the number of its components.

Description

Mounting structure of front cover

The present invention relates to be used for the mounting structure of front cover of two-wheeled or three wheeled motor car.

In the prior art, in Japanese kokai publication hei 2-279482 communique, disclosed a kind of preceding cover arrangement, promptly, the legging cover is installed in head pipe rear side,, front shroud is installed on the strut that from the beginning pipe forwards stretches out in the place ahead of a pipe, make forwards long the stretching out in front portion of front shroud, its bottom dual-purpose front fender apron.In addition, below about front shroud, by be installed in split about legging cover front portion about the cover member cover.

In the above-mentioned structure, because front shroud is also used as front fender apron, so, must resemble and make rostriform elongated shape and forwards outstanding, even form the article receiving space between front shroud and legging cover, this space is also very little, can not accommodate large items such as battery.

Because the place ahead overhang of front shroud is big, make whole the maximization, so, from the beginning its strut of supporting must be managed forwards and stretch out, because the existence of this strut, make the part that can accommodate article in the above-mentioned space become narrower and small.

In addition, when being installed to front shroud on the strut, in the assembling procedure of vehicle frame, strut is welded to the end on the pipe in advance,, be not easy to improve and engage precision so the assembly precision of vehicle frame directly influences the precision that engages of front shroud and legging cover.

In order to address the above problem, mounting structure of front cover of the present invention, be applicable to front side installation front shroud at a pipe of twelve Earthly Branches brought forward wheel steering shaft capable of free rotation, side is installed on the vehicle of legging cover in the wings, it is characterized in that, above front-wheel, be provided with movable front fender apron with the front-wheel unitary rotation integratedly with front shroud, the front portion of this front shroud forms shorter than front fender apron front end, and forwards outstanding nose, rear portion side at this nose has the left and right sides face that stretches out below nose, comprise around the rear side of front shroud of this side surface part to dock around the front face side with the legging cover to combine.

Because front shroud and movable mudwing are arranged to split, the place ahead overhang that is located at anterior nose is shorter than front fender apron, and, be provided with the left and right sides face that below nose, stretches out in both sides, so, needn't resemble and nose be made elongated standing shape the prior art, can form and bloat shape upward, and, by with about side surface part near legging portion, stretch out downwards, like this, the space between front shroud and the legging cover is bigger.

In addition, because comprising the rear side of front shroud side surface part combines on every side with the front surface side of legging cover on every side, so, mutually directly combination of cover body needn't resemble the prior art and is installed on the strut that from the beginning pipe stretches out, so, be not subjected to the influence of chassis mount precision, can improve the precision that engages of front shroud and legging cover, owing to dispensed strut, thus can reduce number of parts.

In addition,, the effective volume that is used to accommodate article in the above-mentioned space can be further strengthened, large items such as battery can be accommodated owing to do not establish strut.

Fig. 1 is the body forward structure lateral plan that front shroud 21 states are installed.

Fig. 2 is the two-wheeled unitary side view that embodiment is suitable for.

Fig. 3 is the 3-3 line general profile chart among Fig. 2.

Fig. 4 is the front elevation of front shroud 21.

Fig. 5 is the back view of legging cover 22.

Fig. 6 is the cutaway view of bonding state at the 6-6 line place of presentation graphs 4 and Fig. 5.

Fig. 7 is the cutaway view of bonding state at the 7-7 line place of presentation graphs 4 and Fig. 5.

Fig. 8 is the cutaway view of bonding state at the 8-8 line place of presentation graphs 4 and Fig. 5.

Below, with reference to Fig. 2 the two-wheeled summary that present embodiment is suitable for is described earlier.The upper end of the front fork 2 of supporting front-wheel 1 is connected with core tube 4 by end bridge 3, carries out steering operation by the handle 5 that is located at its upper end.

By 6 supportings of head pipe, head pipe 6 is located at the front end of main car frame 7 rotationally in core tube 4, and this main car frame 7 is the spine formula at the vehicle body center, and tiltedly ground rearward extends down, is connecting each leading section of the back vehicle frame 8 of its central part pair of right and left.

About back vehicle frame 8 extend to retread to general horizontal direction and go up ground and further rearward extend, supporting articles holding box 9 here.The capacity of articles holding box 9 is bigger, can accommodate the large item of the helmet 10 grades, and its top peristome is opened and closed by vehicle seat 11.About each rearward end upper support of back vehicle frame 8 to the outstanding handrail 12 in side.

Below main car frame 7, the driving engine 13 that leans forward is bearing on the case shape pivot support plate 14, and this case shape pivot support plate 14 surrounds about the bottom of the pars intermedia of main car frame 7 and main car frame 7, and stretches out downwards.

The leading section of back swing arm 15 is by on the rotatable earth's axis Zhi Zaishu support plates 14 of pivot 16, and trailing wheel 17 is supporting in portion in its back-end, in the rearward end of back swing arm 15 and be positioned between the rear portion of the back vehicle frame 8 above it and be provided with pair of right and left energy disperser 18.

Vehicle body is covered with by various covers.Handle 5 is covered by handle cover 20.The front side of head pipe 6 is covered by front shroud 21.From the beginning managing 6 rear side is covered by legging cover 22 to articles holding box 9 zones.The place ahead of articles holding box 9 is covered by case cover 23.Most vehicle seat 11 belows, side that comprise the articles holding box 9 at case cover 23 rears are covered by back cover 24.

Above front-wheel 1, the front fender apron 25 movable with front fork 2 one is installed on the end bridge 3, in the central portion by about front fork 2 part of holding under the arm on bicycle fork cover 26 is installed from the outside, and be covered with the outside of front fork 2.

Below, front shroud 21 and legging cover 22 are described.Fig. 1 is the body forward structure lateral plan that front shroud 21 states are installed.Fig. 3 is the 3-3 line general profile chart among Fig. 2.Fig. 4 is the front elevation of front shroud 21.Fig. 5 is the back view of legging cover 22.Fig. 6 is the cutaway view of bonding state at the 6-6 line place of presentation graphs 4 and Fig. 5.Fig. 7 is the cutaway view of bonding state at the 7-7 line place of presentation graphs 4 and Fig. 5.Fig. 8 is the cutaway view of bonding state at the 8-8 line place of presentation graphs 4 and Fig. 5.

Among these figure, front shroud 21 is shaped by ABS resin, forms slit 30 in center upper portion, and central portion is forwards outstanding gradually towards the below, and central lower forms nose 31, is the eaves shape and leans out to front fender apron 24 tops.

Both sides 32, are connected with the cephalolateral margin portion coincidence of legging cover 22 around to the vehicle body both sides from the front, and extend downwards from nose 31 bottom, side 33, overlaps with the stage portion that is formed on legging cover 22 sides.

In each both sides 32 of front shroud 21, form upside installation portion 34, middle installation portion 35, downside installation portion 36, respectively with the installation portion of the corresponding formation of aftermentioned legging cover 22 sides in, be fixed with bolt from the vehicle body rear.

As shown in Figure 3, between front shroud 21 and the legging cover 22, form big space 27, utilize this space 27 to accommodate battery 28.In this space 27, suitably accommodate electric product such as not shown CDI, relay.In addition, from the beginning what be not provided for supporting front shroud 21 manages the 6 strut classes of forwards stretching out, and front shroud 21 does not engage with head pipe 6.

As shown in Figure 4, upside installation portion 34, middle installation portion 35 and downside installation portion 36 are the rib shape respectively towards front shroud 21 inboards outstanding integratedly, at its leading section nut part 37 (Fig. 6) is installed.

As shown in Figure 5, legging cover 22 usefulness polypropylene etc. are ester moulding suitably, and the central portion 40 of toe lateral is configured as the convex recess towards the rear that is used to accommodate head pipe 6, forms along the vertical direction abreast with head pipe 6.

Around the both sides 41 of central portion 40,, form and upside installation portion 34, middle installation portion 35 and downside installation portion 36 cooresponding

boss portion

42,43,44 respectively in the left and right sides.

To shown in Figure 8, the jag of upside installation portion 34, middle installation portion 35 and the downside installation portion 36 of each

boss portion

42,43,44 and front shroud 21 sides connects as Fig. 6, and is fastening with bolt 38 from vehicle body rear side (being that Fig. 5 represents side).

Central portion 40 rears of legging cover 22 form and are the roof portion 45 that saddle covers main car frame 7, and near the side connecting portion of head pipe 6 and main car frame 7 is fixed on the main car frame 7 with bolt 46.With the recess 47 that is located at about rearward end, combine with the front end of case cover 23.

The following describes the effect of present embodiment.Holding head pipe 6 under the arm and covering legging cover 22 on 7, be fixed on the main car frame 7 with bolt 46 from the rear towards main car frame.

Then, from the beginning manage the place ahead of 6 and cover front shroud 21, its upside installation portion 34, middle installation portion 35, downside installation portion 36 are connected with the

boss portion

42,43,44 of cooresponding legging cover 22 respectively, solid from the rear of legging cover 22 with bolt 38 spiral shells, front shroud 21 and legging cover 22 is integrated.

At this moment, front shroud 21 is not installed on the head pipe 6, and is mounted on the legging cover 22, so, compare with the situation of managing to the end on 6 by the strut installation, be not subjected to the influence of chassis mount precision, can accurately front shroud 21 be engaged with legging cover 22, involutory ratio is easier to, and improves installation exercise.In addition, can dispense strut, reduce component number.

Because movable front fender apron 25 is set to split, overhang is set than its little nose 31 and the bottom, left and right side 33 of below it, stretching out, so the space 27 that is formed between front shroud 21 and the legging cover 22 is bigger on front shroud 21, like this, can accommodate the large item of battery 28 grades.

In addition, owing to do not need to be used to support the strut class of the head pipe 6 of front shroud 21, can effectively utilize the article receiving volume in the space 27.

Claims

1. mounting structure of front cover, it is applicable at the front side of a pipe that can turn to twelve Earthly Branches brought forward wheel steering shaft installs front shroud, side is installed in the vehicle of legging cover in the wings, it is characterized in that, above front-wheel with the front shroud split be provided with movable front fender apron with the front-wheel unitary rotation, the front portion of this front shroud forms than front fender apron front end nose short, that also forwards give prominence to, rear portion side at this nose has the left and right sides face that extends below nose, comprise around the rear side of front shroud of this side surface part to dock around the front face side with the legging cover to combine.

2. mounting structure of front cover as claimed in claim 1 is characterized in that, battery container is in the space that is formed between front shroud and the legging cover.