CN102050184A - Rocker arm and manufacturing method thereof - Google Patents
Rocker arm and manufacturing method thereof Download PDFInfo
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- CN102050184A CN102050184A CN2010105255653A CN201010525565A CN102050184A CN 102050184 A CN102050184 A CN 102050184A CN 2010105255653 A CN2010105255653 A CN 2010105255653A CN 201010525565 A CN201010525565 A CN 201010525565A CN 102050184 A CN102050184 A CN 102050184A
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Abstract
The invention provides a rocker arm and a manufacturing method thereof, wherein the number of components is reduced, the manufacturing efficiency is improved and the rigid strength of the rocker arm is ensured. The rocker arm comprises a left arm part, a right arm part and a pivot tube. The rear axle of the left and right arm parts supports a rear wheel. The pivot tube welded to the front end of the left and right arm parts is connected with a frame or an engine. Pipes are bent and processed into U-shapes to form a pair of right and left straight parts (4L, 4R), which are the left and right arm parts formed integrally into one piece. A bending portion (5) connecting the two straight parts (4L, 4R) is equipped with a cut part extending in left and right direction. The pivot tube (3) is welded to the cut part.
Description
Technical field
The present invention relates to the rocking arm (swing arm) and the manufacture method thereof of saddle-ride type vehicle.
Background technology
Disclosed rocking arm is by constituting as the lower part in the patent documentation 1: the left and right sides arm that is made of the extrude tubes of square-section; Be welded on the pivot tube (tube axle) of this arm front portion, left and right sides; And be welded on intersection (cross) portion (bridging component) between the arm of the left and right sides.With regard to this structure, just can obtain to guarantee the rocking arm of intensity and rigidity (strength rigid) with the structure of simple and low cost of manufacture.
Patent documentation 1: Japanese Utility Model is registered communique No. 2532301
But in above-mentioned existing structure, left and right sides arm is the parts of split, and cross part also is the branch body component, therefore needs a plurality of parts and a plurality of welding operation, is also having leeway aspect the manufacturing cost reducing.
Summary of the invention
Therefore, the present invention is in view of above-mentioned actual conditions, and its purpose is to provide and can reduces part count, raising manufacturing efficient, the rocking arm that can also guarantee strength rigid and manufacture method thereof.
As the means that address the above problem, the rocking arm of the invention that first aspect is put down in writing is characterised in that this rocking arm has: left and right sides arm (for example, line part 4L, 4R in the embodiment), at the rear axle support trailing wheel of this left and right sides arm; Pivot tube (for example, pivot tube 3 in the embodiment), this pivot tube is welded in the anterior of described left and right sides arm and is connected with vehicle frame or driving engine, wherein, described left and right sides arm is by with tubing (for example passing through, aluminum pipe P in the embodiment) bending machining become U word shape roughly and integrally formed pair of right and left line part (for example, line part 4L in the embodiment, 4R) constitute, curve between the described line part of the binding of described tubing (for example, curve 5 in the embodiment) (for example is provided with the notch that extends along left and right directions, notch 11 in the embodiment), described pivot tube is welded in described notch.
The invention of second aspect record is characterised in that, rear upper surface at described left and right sides arm (for example is provided with the energy disperser inserting hole, energy disperser inserting hole 7L, 7R in the embodiment), in this energy disperser inserting hole, insert and be connected with the end of between described rocking arm and vehicle frame, carrying out the bonded assembly buffer unit, rear portion at described left and right sides arm (for example is provided with the energy disperser mounting hole, energy disperser mounting hole 8L, 8R in the embodiment), this energy disperser mounting hole is used for fixing is inserted the described buffer unit that leads in described inserting hole.
The invention of third aspect record is characterised in that the curve of described tubing forms with the mono-circular arc.
The invention of fourth aspect record is characterised in that, is provided with at the curve of described tubing: two arc sections (for example, the arc sections 9L in the embodiment, 9R) of extending with arcuation from described left and right sides arm; With link described two arc sections directly enter portion's (for example, directly entering portion 10 in the embodiment), described notch is arranged at the described portion of directly advancing.
The invention of the 5th aspect record is characterised in that, curve at described tubing (for example is provided with three arc sections, the place ahead arc sections 32L, 32R and rear arc sections 33 in the embodiment), in described three arc sections, be provided with described notch respectively in two arc sections with described left and right sides arm adjacency, be welded with described pivot tube (for example, pivot tube 35L, the 35R in the embodiment) at each described notch.
The invention of the 6th aspect record is characterised in that described tubing is set for: the width up and down of described tubing is greater than the width up and down of described pivot tube, and described notch forms semicircle in lateral plan.
The manufacture method of the rocking arm of the invention of the 7th aspect record is characterised in that this rocking arm has: left and right sides arm (for example, line part 4L, 4R in the embodiment), at the rear axle support trailing wheel of described left and right sides arm; And pivot tube (for example, pivot tube 3 in the embodiment), this pivot tube is welded in the anterior of described left and right sides arm and is connected with vehicle frame or driving engine, wherein, the manufacture method of this rocking arm comprises following operation: at the tubing that cuts into predetermined length (for example, aluminum pipe P in the embodiment) both end sides (for example forms the energy disperser inserting hole, energy disperser inserting hole 7L in the embodiment, 7R) and the energy disperser mounting hole (for example, energy disperser mounting hole 8L in the embodiment, 8R) and the axletree inserting hole (for example, inserting hole 6L in the embodiment, operation 6R), this energy disperser inserting hole is used for the slotting end of carrying out the bonded assembly buffer unit between described rocking arm and vehicle frame that leads to, and this energy disperser mounting hole is used for fixing is inserted the described buffer unit that leads in described energy disperser inserting hole; The described tubing of bending machining and the integrally formed pair of right and left line part (for example, line part 4L, 4R in the embodiment) that roughly extends as the crow flies and link the operation of the curve (for example, the curve in the embodiment 5) between this line part; Form along the operation of the notch (for example, the notch in the embodiment 11) of left and right directions extension at described curve; And the operation of welding described pivot tube at described notch.
Fang Ming according to the first aspect record, only by with a tubing by bending ram etc. and bending machining becomes roughly U word shape, the left and right sides arm of rocking arm just can be set, and curve between two arms can be set as rib (bridging component), therefore can either reduce part count can improve manufacturing efficient again.
And, curve and arm one as rib, therefore can guarantee strength rigid, and then by guaranteeing that the left and right directions width of curve is longer between the arm of the curve binding left and right sides, therefore can make the left and right directions width of the notch of being located at herein longer, fully guarantee the weld length of curve and pivot tube welding, can also guarantee the strength rigid of the weld of pivot tube.
Consequently, can provide a kind of rocking arm that just can guarantee strength rigid with few parts and flow chart.
Fang Ming according to the second aspect record, by punch process (die-cut), cutting etc. energy disperser inserting hole and energy disperser mounting hole are set, thereby be provided with installation portion hollow space, the posterior bumper unit that uses tubing, part count can be further cut down, and manufacturing efficient can be further improved.
According to the Fang Ming of third aspect record, can reduce the bending machining part of curve, can further improve manufacturing efficient.
According to the Fang Ming of fourth aspect record, can guarantee the weld length of curve and pivot tube welding easilier, can further improve the strength rigid of the weld part of pivot tube.
Fang Ming according to the record of the 5th aspect to having the vehicle of the partition type hinge portion, the left and right sides that driving engine, axle sleeve (collar) are set betwixt, also can provide the rocking arm that just can guarantee strength rigid with few parts and flow chart.
Fang Ming according to the record of the 6th aspect, can more fully guarantee the integral intensity rigidity by the sectional area of guaranteeing rocking arm, in addition, the bearing surface of semi-round notch and pivot tube butt is increased, therefore the strength rigid of the weld part that is bonded with each other also can be able to further raising.
According to the Fang Ming of the 7th aspect record, also can provide with few parts and efficiently flow chart just can guarantee the rocking arm of strength rigid.
Description of drawings
Fig. 1 is the block diagram of the rocking arm that relates to of first embodiment.
Fig. 2 is the birds-eye view of the rocking arm that relates to of first embodiment.
Fig. 3 is the left side view of the rocking arm that relates to of first embodiment.
Fig. 4 is the exploded perspective view of the rocking arm that relates to of first embodiment.
Fig. 5 is the figure that the motor bike rear portion that is equipped with the rocking arm that first embodiment relates to is shown.
Fig. 6 is the block diagram of the rocking arm that relates to of second embodiment.
Fig. 7 is the block diagram of the rocking arm that relates to of the 3rd embodiment.
Fig. 8 is the block diagram of the rocking arm that relates to of the 4th embodiment.
Label declaration
1,20,30,40: rocking arm;
3,35L, 35R: pivot tube;
4L, 4R: line part
5: curve;
6L, 6R: axletree inserting hole;
7L, 7R: energy disperser inserting hole;
8L, 8R: energy disperser mounting hole;
9L, 9R: arc sections;
10: directly enter portion;
11: notch;
32L, 32R: the place ahead arc sections (arc sections);
33: rear arc sections (arc sections).
The specific embodiment
Below, based on the description of drawings embodiments of the present invention.
<the first embodiment 〉
Fig. 1 to Fig. 3 shows block diagram, birds-eye view and the left side view of the rocking arm 1 that present embodiment relates to.Below, the direction when being equipped on saddle-ride type vehicle such as motor bike with rocking arm 1 illustrates embodiment, there is shown the arrow FR in expression the place ahead, the arrow LH of expression left, the arrow UP of expression top.
As shown in Figure 1 to Figure 3, rocking arm 1 has: rocking arm main body 2, its rear portion axle bearing trailing wheel; And pivot tube 3, it is welded in the front portion of this rocking arm main body 2, and is connected with vehicle frame or driving engine.
Rocking arm main body 2 becomes roughly by the aluminum pipe bending machining with the square-section, and U word shape forms, this rocking arm main body 2 constitutes by curve 5 with as line part 4L, the 4R of pair of right and left arm, described line part 4L, 4R rearward roughly extend as the crow flies, link up between the front end of this curve 5 with these line parts 4L, 4R.Line part 4L, 4R and curve 5 are one, and rocking arm main body 2 is roughly U word shape as shown in Figure 2 in birds-eye view, and line part 4L, 4R extend with the state of almost parallel.
Both ends, rear at line part 4L, 4R are formed with: the axletree inserting hole 6L, the 6R that are used for the axle bearing trailing wheel; Be used to install energy disperser inserting hole 7L, 7R and energy disperser mounting hole 8L, the 8R of posterior bumper unit, this posterior bumper unit is connected between described swing arm unit 1 and the vehicle frame.
With reference to Fig. 4, in this figure, label C represents the posterior bumper unit.More specifically, as shown in Figure 4, energy disperser inserting hole 7L, 7R insert the lower end of posterior bumper unit C and lead to the inside of line part 4L, 4R from the top.And energy disperser mounting hole 8L, 8R insert logical for bolt B, and this bolt B is used for fixing inserting the fixed part C1 that leads in the lower end of the posterior bumper unit of energy disperser inserting hole 7L, 7R C.
Return Fig. 1 to Fig. 3, curve 5 is as the cross portion performance function that connects left and right sides line part 4L, 4R, and in the present embodiment, curve 5 forms roughly コ font as shown in Figure 2 in birds-eye view.More specifically, curve 5 is to form roughly コ font in the birds-eye view by directly advancing portion 10 and two arc sections 9L, 9R, the end of these two arc sections 9L, 9R is engaged in the leading section of left and right sides line part 4L, 4R and is arcuation and extends, and this directly enters portion 10 and links aforesaid two arc sections 9L, 9R.
As shown in Figure 4, be formed with notch 11 at the front surface that directly enters portion 10, this notch 11 direction to the left and right extends and the inner space of directly entering portion 10 of hollow is exposed.This notch 11 forms its upper limb and lower edge extends as the crow flies along left and right directions, and the both ends of this notch form semicircle in the mode along the side face of pivot tube 3 as shown in Figure 2 in lateral plan.Here, the L of width up and down that directly enters portion 10 is set at bigger than the diameter D of arm pivot tube 3, forms semicircle with the both ends with notch 11.In addition, set the width dimensions on the left and right directions of notch 11, making that the both ends of notch 11 are can be with the outer peripheral face of pivot tube 3 semicircle of half income roughly.
And then, pivot tube 3 is welded in notch 11.Pivot tube 3 is formed by the aluminum pipe of hollow cylinder, as shown in Figure 2, welds under the state of notch 11 ground butts at the side face that makes pivot tube 3.Here, label 12U, the 12D among the figure represents weld part.Weld part 12U is formed at the zone that the upper limb of the top of pivot tube 3 and notch 11 connects, and weld part 12D is formed at the zone that the lower edge of the bottom of pivot tube 3 and notch 11 connects.
Constitute the rocking arm 1 of present embodiment with structure as described above.Next, the manufacture method of the rocking arm 1 that present embodiment is related to reference to Fig. 4 describes.In Fig. 4, label P represents the aluminum pipe of square-section.
At first, will push aluminum pipe and be cut into predetermined length, form aluminum pipe P.Then, in the both end sides of the aluminum pipe P of well cutting, form as described above axletree inserting hole 6L, 6R, energy disperser inserting hole 7L, 7R and energy disperser mounting hole 8L, 8R in the desired location by die-cut (プ レ ス order I) respectively.
Next, shown in arrow A among Fig. 4, aluminum pipe P is carried out bending machining by punching press, form the pair of right and left line part 4L, the 4R that roughly extend as the crow flies, and form the curve 5 that links between line part 4L, 4R.At this, rocking arm main body 2 has just formed.
And then, form the notch 11 that extends along left and right directions at curve 5 by machine up, afterwards welding pivot tube 3 on notch 11 based on cutting.Through above step, rocking arm 1 has just formed.
And, in order to improve the aesthetic property of rocking arm, aluminum pipe P to above-mentioned explanation carries out rounding processing in the bight, the outside and the inboard bight of square-section, and then makes the radius of the radius (chamfer radius) in bight, the outside greater than inboard bight, thereby forms the cross sectional shape that is easy to carry out bending machining.
As top explanation, only bending machining becomes roughly U word shape to the rocking arm 1 that present embodiment relates to by bending ram with an aluminum pipe P, line part 4L, the 4R of the conduct left and right sides arm of rocking arm 1 just can be set, and curve 5 between line part 4L, 4R can be set as rib (bridging component), therefore part count can be reduced, and manufacturing efficient can be improved.
In addition, curve 5 as rib is an one with line part 4L, 4R, therefore can guarantee strength rigid, and then link between left and right sides line part 4L, 4R this structure by curve 5 and can guarantee that the left and right directions width of curve is longer, therefore the weld length of curve 5 and pivot tube 3 can be fully guaranteed, the strength rigid of the weld of pivot tube 3 can also be improved.Promptly, line part 4L, 4R be as the arm of rocking arm performance function, set the gap that can press from both sides the degree of establishing trailing wheel between line part 4L, 4R, therefore can guarantee that the left and right directions width of curve 5 is longer.Therefore, also can make the left and right directions width of the notch 11 that is provided with at this curve 5 longer, can fully guarantee the weld length of curve 5 and pivot tube 3, also can improve the strength rigid of the weld of pivot tube 3.
Consequently, can provide a kind of rocking arm that just can guarantee strength rigid with few parts and flow chart.
And, only energy disperser inserting hole 7L, 7R and energy disperser mounting hole 8L, 8R are set by punch process (die-cut and cutting etc. also can), be provided with installation portion hollow space, posterior bumper unit C that uses aluminum pipe P, realize the further reduction of part count, and realized making the further raising of efficient.
In addition, curve 5 is made of the portion 10 of directly advancing of two arc sections 9L, 9R extending with arcuation from left and right sides line part 4L, 4R and binding these two arc sections 9L, 9R, notch 11 is set directly entering portion 10, therefore be easy to guarantee the weld length of curve 5 and pivot tube 3, weld length fully guaranteed, thereby realized the further raising of strength rigid of the weld part of pivot tube 3.
In addition, the width setup up and down of aluminum pipe P is the width up and down greater than pivot tube 3, notch 11 is set to semicircular in shape in lateral plan, thereby can more fully guarantee the integral intensity rigidity by the sectional area of guaranteeing rocking arm 1, and increase the bearing surface that semi-round notch 11 and pivot tube 3 connect, the strength rigid of the feasible weld part that is bonded with each other also is able to further raising.
In addition, in the step of making rocking arm 1, before the bending machining of aluminum pipe P, form axletree inserting hole 6L, 6R, energy disperser inserting hole 7L, 7R and energy disperser mounting hole 8L, 8R, this is easier than form described various holes after bending machining, therefore can provide rocking arm 1 with flow chart efficiently.
Here, Fig. 5 shows the motor bike 13 that is equipped with rocking arm 1.Utilize Fig. 5 that the motor bike 13 that carries rocking arm 1 is described.
In motor bike 13, be formed with hinge portion 16 in the lower rear of the driving engine 15 of vehicle frame 14 at suspension.Rocking arm 1 in the hinge portion 16 and direction swing up and down, and is supporting trailing wheel 17 at the rear portion of rocking arm 1 via axletree (axel) with its pivot tube 3 axle bearings.And, insert among energy disperser inserting hole 7L, the 7R (only showing paper 7L nearby) at line part 4L, 4R (only showing paper 4L nearby) rear portion and be connected with posterior bumper unit C, be fastened with among the fixed part C1 of the lower end of posterior bumper unit C from energy disperser mounting hole 8L, 8R and insert logical bolt (also with reference to Fig. 3 etc.).In addition, vehicle frame 14 is fixed in the upper end of posterior bumper unit C.
Like this, if the rocking arm 1 that the present invention relates to is equipped on motor bike, then not only reduced manufacturing cost, because rocking arm 1 is made of aluminum pipe, very therefore lightweight can also realize the lightweight of motor bike.
<the second embodiment 〉
Then, second embodiment of the present invention is described.Fig. 6 shows the rocking arm 20 that present embodiment relates to.To being marked with same numeral, and omit repeat specification with the common position of first embodiment.
U word shape forms rocking arm 20 shown in Figure 6 by becoming the aluminum pipe bending machining roughly, and the curve 21 of rocking arm 20 forms the mono-circular arc, promptly forms semicircle in birds-eye view.And then, at the front surface formation notch 11 of curve 21, at these notch 11 welding pivot tubes 3.Other structures are identical with above-mentioned first embodiment.
In this rocking arm 20 that second embodiment relates to, can play the effect identical, and, therefore can reduce the bending machining part because curve 11 forms with the mono-circular arc with first embodiment.In other words, have only a place, therefore can further improve manufacturing efficient owing to bending machining can be reduced to.And the Fabrication procedure of the rocking arm 20 of present embodiment is also identical with first embodiment.
<the three embodiment 〉
Then, the 3rd embodiment of the present invention is described.Fig. 7 shows the rocking arm 30 that present embodiment relates to.To being marked with same numeral, and omit repeat specification with the common position of first embodiment.
Rocking arm 30 shown in Figure 7 carries out bending machining in the mode that forms a plurality of sweeps on aluminum pipe and makes, and forms roughly U word shape during whole observation rocking arm 30 substantially.And then, constitute three arc sections in the curve shown in the number in the figure 31.Particularly, curve 31 is made of semi-round the place ahead arc sections 32L, 32R and semi-round rear arc sections 33, wherein, the end of the place ahead arc sections 32L, 32R is engaged in the leading section of left and right sides line part 4L, 4R, and the place ahead arc sections 32L, 32R bend towards the place ahead, this rear arc sections 33 be engaged in the place ahead arc sections 32L, 32R separately medial end and rearward bend, thereby curve 31 is M word shape or W word shape in birds-eye view.
Arc sections 32L, 32R are formed with notch 34L, 34R respectively forwardly, weld pivot tube 35L, 35R respectively at this notch 34L, 34R.In other words, in the present embodiment, curve 31 is formed with notch 34L, 34R respectively at two the place ahead arc sections 32L, 32R with left and right sides line part 4L, 4R adjacency, at each notch 34L, 34R welding pivot tube 35L, 35R.Identical about other structures with first embodiment.
In this rocking arm 30 that the 3rd embodiment relates to, can play the effect identical with first embodiment, and, also can provide the rocking arm that to guarantee strength rigid with few parts and flow chart for vehicle with partition type hinge portion, the left and right sides that driving engine or axle sleeve are set betwixt.And the Fabrication procedure of the rocking arm 30 of present embodiment is also identical with first embodiment.
<the four embodiment 〉
Then, the 4th embodiment of the present invention is described.Fig. 8 shows the Rocker arm 40 that present embodiment relates to.To being marked with same numeral, and omit repeat specification with the common position of first embodiment.
Be provided with tabular crossbearer (cross frame) 41 between left and right sides line part 4L, the 4R of Rocker arm 40 shown in Figure 8.Can further improve the strength rigid of rocking arm like this.Here, can consider that bolted, rivet connect and welding etc., but bolted is when being connected with rivet, owing to mother metal is a hollow part and can form installation portion easily as the installation method of crossbearer 41.And the Fabrication procedure of the Rocker arm 40 of present embodiment is also identical with first embodiment.
More than, describe the present invention based on first to fourth embodiment, but the structure in the above-mentioned embodiment is an example of the present invention, can carry out various changes for block construction and structure, shape, size, number and configuration etc. certainly in the scope that does not break away from main idea of the present invention.For example in the above-described embodiment, the material that is used to form the tubing of rocking arm is an aluminium, but can also be other metals.In addition, what tubing adopted is the parts of square-section, but can also be the tubing etc. in hollow circular cross section.
In addition, in the above-described embodiment, the inserting hole of formation posterior bumper unit on rocking arm and the structure of axletree inserting hole have been described, but in addition can also form the mounting hole of chain guide, chain box, chain sliding part etc., also can be easy to form these holes by punch process under this situation, therefore realize the raising that efficient activity was cut down and made to part count.
In addition, in the above-described embodiment, having illustrated that rocking arm 1,20,30 is bent is processed into roughly U word shape, but the invention is not restricted to when the rocking arm of pivot tube has been unloaded in observation is the structure of strict U word shape, and this is the notion of the situation etc. of general U word shape when roughly U word shape also is included in the birds-eye view to the such whole observation of コ word shape and V word shape, the 3rd embodiment.The words that are described more specifically, in the above-described embodiment, the example that extends with the almost parallel state as line part 4L, the 4R of pair of right and left arm has been described, but for example rearward slightly expansion ground extend or rearward extend slightly containingly such form etc. and also be contained in the notion of the present invention.In addition, line part 4L, 4R from curve 5 rearward slightly expansion ground extend or part bending and (i.e. this parallel portion line correspondence portion) the such form that is parallel to each other etc. also are contained in the notion of the present invention therebetween.
Claims (7)
1. rocking arm, this rocking arm has: left and right sides arm, support trailing wheel in the rear axle of described left and right sides arm; And pivot tube, this pivot tube is welded in the anterior of described left and right sides arm and is connected with vehicle frame or driving engine, it is characterized in that,
Described left and right sides arm by by bending pipes being processed into U word shape roughly and the line part of integrally formed pair of right and left constitute,
Described tubing with described line part between the curve that links up be provided with the notch that extends along left and right directions, described pivot tube is welded in described notch.
2. rocking arm as claimed in claim 1 is characterized in that,
Rear upper surface at described left and right sides arm is provided with the energy disperser inserting hole, and in this energy disperser inserting hole, insert and be connected with the end of between described rocking arm and vehicle frame, carrying out the bonded assembly buffer unit,
Rear portion at described left and right sides arm is provided with the energy disperser mounting hole, and this energy disperser mounting hole is used for fixing is inserted the described buffer unit that leads in described inserting hole.
3. rocking arm as claimed in claim 1 or 2 is characterized in that,
The curve of described tubing forms with the mono-circular arc.
4. rocking arm as claimed in claim 1 or 2 is characterized in that,
Curve at described tubing is provided with: two arc sections of extending with arcuation from described left and right sides arm; With link described two arc sections directly enter portion,
Described notch is arranged at the described portion of directly advancing.
5. rocking arm as claimed in claim 1 or 2 is characterized in that,
Curve at described tubing is provided with three arc sections,
In described three arc sections, be provided with described notch respectively, be welded with described pivot tube at each described notch in two arc sections with described left and right sides arm adjacency.
6. rocking arm as claimed in claim 1 or 2 is characterized in that,
Described tubing is set for: the width up and down of described tubing is greater than the width up and down of described pivot tube,
Described notch forms semicircle in lateral plan.
7. the manufacture method of a rocking arm, this rocking arm has: left and right sides arm, support trailing wheel in the rear axle of described left and right sides arm; And pivot tube, this pivot tube is welded in the anterior of described left and right sides arm and is connected with vehicle frame or driving engine,
The manufacture method of this rocking arm is characterised in that,
The manufacture method of this rocking arm comprises following operation:
Form the operation of energy disperser inserting hole, energy disperser mounting hole and axletree inserting hole in the both end sides of the tubing that cuts into predetermined length, this energy disperser inserting hole is used for the slotting end of carrying out the bonded assembly buffer unit between described rocking arm and vehicle frame that leads to, and this energy disperser mounting hole is used for fixing is inserted the described buffer unit that leads in described energy disperser inserting hole;
The operation of the line part of the described tubing of bending machining and integrally formed curve and the pair of right and left of roughly extending as the crow flies, this curve will link up between described line part;
Form along the operation of the notch of left and right directions extension at described curve; And
Weld the operation of described pivot tube at described notch.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009-250317 | 2009-10-30 | ||
JP2009250317A JP2011093455A (en) | 2009-10-30 | 2009-10-30 | Swing arm and method of manufacturing the same |
Publications (1)
Publication Number | Publication Date |
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CN102050184A true CN102050184A (en) | 2011-05-11 |
Family
ID=43955090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2010105255653A Pending CN102050184A (en) | 2009-10-30 | 2010-10-27 | Rocker arm and manufacturing method thereof |
Country Status (4)
Country | Link |
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JP (1) | JP2011093455A (en) |
CN (1) | CN102050184A (en) |
AR (1) | AR078769A1 (en) |
BR (1) | BRPI1004059B1 (en) |
Families Citing this family (1)
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JP6766028B2 (en) * | 2017-12-07 | 2020-10-07 | 本田技研工業株式会社 | Swing arm of saddle-riding vehicle |
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JPH11319965A (en) * | 1999-03-31 | 1999-11-24 | Honda Motor Co Ltd | Manufacture of tapered square pipe member |
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CN2670221Y (en) * | 2003-07-10 | 2005-01-12 | 秦中华 | Assembled welded motorcycle fork |
CN2767298Y (en) * | 2005-02-01 | 2006-03-29 | 重庆渝安创新科技(集团)有限公司 | Integral motorbicycle flat fork |
CN101209739A (en) * | 2006-12-28 | 2008-07-02 | 雅马哈发动机株式会社 | Arm member and straddle-type vehicle |
-
2009
- 2009-10-30 JP JP2009250317A patent/JP2011093455A/en active Pending
-
2010
- 2010-10-25 AR ARP100103918 patent/AR078769A1/en not_active Application Discontinuation
- 2010-10-27 CN CN2010105255653A patent/CN102050184A/en active Pending
- 2010-10-27 BR BRPI1004059A patent/BRPI1004059B1/en not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US6182944B1 (en) * | 1998-12-04 | 2001-02-06 | Sit La Precisa, S.P.A. | System for connecting valve units for gas water-heaters to tanks belonging to the water-heaters |
JPH11319965A (en) * | 1999-03-31 | 1999-11-24 | Honda Motor Co Ltd | Manufacture of tapered square pipe member |
CN2670221Y (en) * | 2003-07-10 | 2005-01-12 | 秦中华 | Assembled welded motorcycle fork |
CN2767298Y (en) * | 2005-02-01 | 2006-03-29 | 重庆渝安创新科技(集团)有限公司 | Integral motorbicycle flat fork |
CN101209739A (en) * | 2006-12-28 | 2008-07-02 | 雅马哈发动机株式会社 | Arm member and straddle-type vehicle |
Also Published As
Publication number | Publication date |
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JP2011093455A (en) | 2011-05-12 |
BRPI1004059A2 (en) | 2013-02-19 |
AR078769A1 (en) | 2011-11-30 |
BRPI1004059B1 (en) | 2019-09-10 |
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Application publication date: 20110511 |