CN1065601C - Braking device disk for gear changing cam feeding device - Google Patents
Braking device disk for gear changing cam feeding device Download PDFInfo
- Publication number
- CN1065601C CN1065601C CN96110016A CN96110016A CN1065601C CN 1065601 C CN1065601 C CN 1065601C CN 96110016 A CN96110016 A CN 96110016A CN 96110016 A CN96110016 A CN 96110016A CN 1065601 C CN1065601 C CN 1065601C
- Authority
- CN
- China
- Prior art keywords
- brake disks
- pin
- gear
- shifting cam
- stopper plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Gear-Shifting Mechanisms (AREA)
- Braking Arrangements (AREA)
- Gears, Cams (AREA)
Abstract
The invention provides a stopper plate of shift cam feed gear with lower manufacturing cost while ensuring required function thereof. A stopper plate is secured at one end of a shift cam composing a transmission to rotate the shift cam at intervals of a predetermined angle. The stopper plate 17 having a plurality of cam surfaces 17a-0-17a-5 on its external surface and a plurality of pins 17c on its end surface is manufactured by press working of a sheet metal as a single piece. This method of manufacturing reduces press die cost, simplifies manufacturing process, and lowers total manufacturing cost. Thus manufacturing stopper plate 17 functions satisfactorily since it has cam surfaces 17a-0-17a-5 of permissible roughness and pins 17c of enough strength.
Description
The present invention relates to constitute the brake disks of shifting cam feeder of the gear of motorcycle etc.
The shifting cam feeder of the formation gear of motorcycle etc. be by gear shift pedal operation, make the every revolution several angle of shifting cam just make slide regularly once a kind of times of angle ratchet unit of selector fork.
In this shifting cam feeder, the brake disks that shifting cam revolution given angle is used by variable speed operation is connected on the shifting cam.This brake disks is by a plurality of camming surfaces that form on its outer circumferential face, and a plurality of pins formations that are being provided with highlightedly on end face, owing on pin, can act on excessive load, thereby former, this brake disks is to make with sintering or Forging Technology.
But, as mentioned above, when making brake disks, owing to need sintering respectively and forge the mould of usefulness, thereby not only can increase die cost with sintering or Forging Technology, manufacturing process is increased, the problem that has the manufacture cost of the brake disks of making to increase.
The present invention makes in order to solve the above problems, and its objective is that providing a kind of can guarantee desired function, and can reduce the brake disks of manufacture cost.
The feature of the invention of making for achieving the above object as claimed in claim 1 is, to be connected with an end of the shifting cam that constitutes gear, make above-mentioned shifting cam turn round the dish of given angle by variable speed operation at every turn, form a plurality of camming surfaces with the sheet metal drawing, on its outer circumferential face, and give prominence to with on end face, being integral and a plurality of pins are set and constitute.
The feature of the described invention of claim 2 be require in the 1 described invention at aforesaid right, above-mentioned pin be from sheet metal an end face, form by the pressurization extrusion moulding, the diameter of the recess that forms on the opposition side of this pin is set for diameter greater than pin.
Like this, because the described invention of claim 1 is to be integrally formed into brake disks with the sheet metal drawing, thereby can cut down die cost and manufacturing process, thereby can reduce the manufacture cost of this brake disks.Drawing can also obtain fully satisfied effect to the surface finishment of brake disks camming surface and the intensity of pin in addition, can guarantee the desired performance of brake disks.
Again because the described invention of claim 2 is when the pressurization extrusion moulding of the pin of brake disks, the diameter of the recess that forms on the opposition side of pin is set for bigger than the diameter of pin, thereby can fully guarantee the extruding capacity sold on the sheet metal as body material can prevent local stress concentration.And, by on brake disks, forming recess, can make the weight saving of this brake disks, and heat dispersing surface is increased, flow into recess by oil, can obtain sufficient cooling action, correspondingly can obtain frictional loss advantageous conditions to pin.
Fig. 1 is the front view of expression the present invention the 1st embodiment's brake disks,
Fig. 2 be the expression along the sectional view that Figure 1A-the A line is obtained,
Fig. 3 is the sectional view of expression motorcycle gear,
Fig. 4 be the B of presentation graphs 3 to view,
Fig. 5 is the front view of expression the present invention the 2nd embodiment's brake disks,
Fig. 6 is the sectional view that expression obtains along Fig. 5 C-C line.
Below, with reference to the description of drawings embodiments of the invention.
(the 1st embodiment)
Fig. 1 is the front view of expression the present invention the 1st embodiment's brake disks, and Fig. 2 is the sectional view that expression obtains along Fig. 1 A-A line, and Fig. 3 is the sectional view that expression is provided with the motorcycle gear of above-mentioned brake disks, and Fig. 4 is that presentation graphs 3B is to view.
At first, the structure of motorcycle gear is carried out the explanation of summary with reference to accompanying drawing 3 and 4.
In Fig. 3 and Fig. 4, the 1st, be configured in the gearshift axle of car width of cloth direction (being the left and right directions of Fig. 3), this gearshift axle 1 can free rotaring ground supporting on gearbox casing 2.And, on an end of outside gearbox casing 2, giving prominence to of this gearshift axle 1, connect the gear shift pedal that does not have expression among the figure, on the other end of this gearshift axle 1, connecting gear level 3, simultaneously, also supporting another root gear level 4, it can rotate in the angular range of regulation.An end that is wrapped in the return spring 5 on gearshift axle 1 periphery is attached to gear level 3 places, by the effect of return spring 5, makes usually not have the gear shift pedal of expression to be returned on the position of regulation among the figure.
In the inboard of the gear level 3,4 of gearshift axle 1, can free rotation ground supporting an end of brake rod 6, intermediate portion at gearshift axle 1 is being provided with mobile mechanism 8, and it is to be used for making when the each variable speed operation that is formed by gear shift pedal gearshift guide member 7 to move off and on towards diagram arrow a direction along gearshift axle 1.And by the effect of the adjustment spring 9 that is connected with gearbox casing 2, with the intermediate portion can free swaying ground supporting an end of gear arm 10 contact with the end face of the gearshift guide member 7 of mobile mechanism 8, and the other end of gear arm 10 contacts with an end of push rod 11.The clutch that does not have expression is being set on the other end of push rod 11 on the figure, push rod 11 and gear arm 10 and above-mentioned mobile mechanism 8 constitute automatic arming mechanism, and it is the contact of automatically removing clutch when variable speed operation.
On the other hand, (promptly Fig. 4 left), gear shift fork shaft 12 and shifting cam 13 are setting abreast with gearshift axle 1 at the car body rear of above-mentioned gearshift axle 1, on gear shift fork shaft 12, can support selector fork 14,15 with being free to slide.And, gear G at an end, the energy free rotaring ground supporting of gear shift fork shaft 12
1, at this gear G
1The base portion periphery on connecting gear level 16.The tooth sector G that forms in the end of said gear shifting lever 4
2With tooth G
1Be meshed.
In addition, above-mentioned shifting cam 13 can free rotaring ground supportings on gearbox casing 2, on cam ditch 13a, the 13b that forms on its periphery respectively in conjunction with above-mentioned selector fork 14,15.And brake disks 17 of the present invention is soldered after being embedded on the end of shifting cam 13.
Below, the structure and the manufacture method of brake disks 17 are described.
As shown in Figure 1, brake disks 17 is made into petal-shaped, forms respectively in its periphery to amount to six camming surface 17a-0,17a-1,17a-2,17a-3,17a-4,17a-5.Central position in brake disks 17 is being provided with break-through circular hole 17b, on the same circumference of these brake disks 17 end faces, be provided with and each camming surface 17a-1-17a-5 be clipped in the middle and all-in-one-piece amounts to five pin 17c highlightedly.
As mentioned above, the brake disks made from the steel plate drawing 17 as shown in Figure 3, circular hole 17b at it is rabbeted under the state on shifting cam 13 ends, is welded on the shifting cam 13, and among the camming surface 17a-1-17a-5 that forms on its periphery one is (in the example shown in Figure 4, be camming surface 17a-5) combining with roller 19, roller 19 is that hole pins 18 energy free rotaring ground supportings are on the front portion of above-mentioned brake rod 6.Brake rod 6 is by being wrapped in torsion spring 20 effect on the above-mentioned gearshift axle 1 and being pressed towards a side, and above-mentioned rollers 19 is pressed on setting pressure on the face among the camming surface 17a-0-17a-5 of brake disks 17.
In addition, another gear level 22 can be bearing on the end of said gear shifting lever 16 in the angular range of regulation pivotally by pin 21,1 among the pin 17c of this gear level 22 and brake disks 17 combines, and makes brake disks 17 and the given angle of shifting cam 13 each revolutions.
Below, the effect of above-mentioned gear is described.
The gear 5 of present embodiment is that 5 grades of speed changes are used, roller 19 is corresponding with the neutral ＂ of ＂ with the state that the camming surface 17a-0 of brake disks 17 combines, equally, roller 19 is corresponding with ＂ the 1st fast ＂-＂ the 5th fast ＂ respectively with the state that each camming surface 17a-1-17a-5 combines.
For example, when igniter from the neutral ＂ state of ＂, to not representing among the figure that gear shift pedal enters into 1 time the time, just make gearshift axle 1 revolution several angle, just can make automatic arming mechanism action thus, thereby will not have the connection of the clutch of expression to remove (freeing) among the figure, just can carry out variable speed operation (selector fork 14,15 slides).Promptly, when the revolution of gearshift axle 1 makes the gearshift guide member 7 of mobile mechanism 8 off and on when the arrow a of Fig. 3 direction moves, owing to make gear arm 10 be fulcrum, rotate to the clockwise of Fig. 3 to adjust spring 9, thus push strut 11 is pressed to diagram arrow b direction, thereby will not have the connection of the clutch of expression to remove (freeing) among the figure.
Simultaneously, because the revolution of gearshift axle 1 is through gear level 3, be delivered to gear level 4 with being accompanied by given lag in turn, fork is by the umbrella gear G of formation on this gear level 4
2With said gear G
1And pass to gear level 16,22, and make two gear levels 16,22 revolution several angles, thereby gear level 22 sells 17c and combines with one, make brake disks 17 and shifting cam 13 turn round several angle together.Immediately, roller 19 just breaks away from and combines with next camming surface 17a-1 from the camming surface 17a-0 of brake disks 17.
As mentioned above, when shifting cam 13 revolution several angles, with the cam ditch 13a that forms on the periphery of this shifting cam 13, selector fork 14,15 that 13b combines just along the engagement of speed change gear ＂ the 1st fast ＂ that does not represent in gear shift fork shaft 12 slips, formation and the power.
After, igniter does not similarly have the gear shift pedal of expression whenever to step in figure 1 time, just can change to ＂ the 5th fast ＂ from ＂ the 2nd fast ＂ respectively.
As mentioned above, in the present embodiment, owing to be the brake disks 17 of making the feeder that constitutes shifting cam 13 with the steel plate drawing, thus with former with sintering or forge the occasion made mutually specific energy reduction mould take and manufacturing process, can reduce manufacture cost significantly.Under this occasion, the surface finishment of camming surface 17a-0-17a-5 of well-content brake disks 17 and the intensity of pin 17c can also be obtained with drawing, brake disks 17 desired functions can be guaranteed.According to different occasions, also the camming surface 17a-0-17a-5 of the brake disks 17 that can obtain drawing carries out abrasive machining.
When present embodiment carries out the extrusion moulding of pin 17c to brake disks 17, because the diameter d 1 of the recess 17d that forms on the opposition side of pin 17c is set for the big (d1＞d2), thereby just can fully guarantee as the extruding capacity of selling 17c on the steel plate of body material of diameter d 2 than pin; Thicker owing to the wall thickness t that represents as Fig. 2 is made again, thereby can prevent local stress concentration.
In addition, can also make this brake disks 17 weight savings by on brake disks 17, forming recess 17d, its heat diffusion area is increased, can obtain sufficient cooling action, correspondingly concerning the frictional loss of pin 17c, also can obtain advantageous conditions by making oil enter into recess 17d.
(embodiment 2)
Below, with reference to Fig. 5 and Fig. 6 the 2nd embodiment of the present invention is described.Fig. 5 is the front view of the present invention the 2nd embodiment's brake disks, and Fig. 6 is the sectional view of obtaining along Fig. 5 C-C line, in these figure, all puts on identical symbol with the similar elements that Fig. 1 and Fig. 2 represent.
The brake disks 17 of present embodiment is arranged on the shifting cam feeder that 6 grades of speed changes use, on the brake disks outer circumferential face, form with the neutral corresponding camming surface 17a-0 of ＂ of ＂ and respectively with the corresponding camming surface 17a-1～17a-6 of ＂ the 1st fast ＂-＂ the 6th fast ＂.Central authorities at brake disc 17 are being provided with perforation circular hole 17b, amount to 6 pin 17c and give prominence to the equal angles spacing with being integral and be provided with on the same circumference of end face.And in the present embodiment, pin 17c also is by the pressurization extrusion moulding, give prominence to setting from an end face of steel plate with being integral, at this moment, be provided with on the steel plate end face of the opposite side of pin 17c with outstanding, form circular hole recess 17d with the extrusion die do not represented among the figure, and the diameter d 2 that the diameter d 1 of each recess 17d is configured to greater than pin 17c (is d1＞d20).
Because in the present embodiment, brake disks 17 also is that the brake disc 17 with embodiment 1 similarly makes with the steel plate drawing, so can obtain the effect same with embodiment 1.
Can be known by above-mentioned explanation and to find out, because invention claimed in claim 1 is to use metal Plate stamping and forming is integrally formed into brake disks, thus can subdue mould expense and manufacturing process, Thereby can reduce the manufacturing cost of this brake disks. And with stamping can also be to brake The surface smoothness of the cam surface of dish and the intensity of pin obtain abundant promising result, can guarantee system The moving desired function of device dish.
Because invention claimed in claim 2 is in the extrusion molding of the pin of brake disks, The diameter of the recess that forms in the opposite side of pin is set the diameter greater than pin for, thereby energy Guarantee the extruding capacity as the pin on the metallic plate of base material, and can prevent local stress Concentrate. And, by forming recess in brake disks, can alleviate the weight of brake disks, And increase its area of dissipation, corresponding owing to oil flows into recess and can fully be cooled off work With, can obtain the condition favourable to the frictional dissipation of pin.
Claims (2)
1. the brake disks of a shifting cam feeder, it is to be connected on the end of the shifting cam that constitutes gear, to make described shifting cam turn round the dish of given angle by variable speed operation at every turn, it is characterized in that: it is to use the sheet metal drawing, by a plurality of camming surfaces that on its outer circumferential face, form, and give prominence to a plurality of pins formations that are being provided with on end face, being integral.
2. the brake disks of shifting cam feeder as claimed in claim 1, it is characterized in that: described pin forms with the pressurization extrusion moulding from an end face of above-mentioned sheet metal, and a diameter of the recess that forms on the opposition side of this pin is set the diameter greater than pin for.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15044/1996 | 1996-01-31 | ||
| JP15044/96 | 1996-01-31 | ||
| JP8015044A JPH09210201A (en) | 1996-01-31 | 1996-01-31 | Stopper plate of shift cam feed gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1156224A CN1156224A (en) | 1997-08-06 |
| CN1065601C true CN1065601C (en) | 2001-05-09 |
Family
ID=11877844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96110016A Expired - Lifetime CN1065601C (en) | 1996-01-31 | 1996-05-29 | Braking device disk for gear changing cam feeding device |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPH09210201A (en) |
| CN (1) | CN1065601C (en) |
| ID (1) | ID16193A (en) |
| IN (1) | IN190924B (en) |
| MY (1) | MY128689A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5709585B2 (en) * | 2011-03-02 | 2015-04-30 | 本田技研工業株式会社 | Shift drum stopper plate |
| WO2014156979A1 (en) * | 2013-03-25 | 2014-10-02 | 日立化成株式会社 | Sintered machine part and process for producing same |
-
1996
- 1996-01-31 JP JP8015044A patent/JPH09210201A/en active Pending
- 1996-05-29 CN CN96110016A patent/CN1065601C/en not_active Expired - Lifetime
- 1996-07-09 IN IN1251CA1996 patent/IN190924B/en unknown
- 1996-08-23 MY MYPI96003480A patent/MY128689A/en unknown
-
1997
- 1997-01-31 ID IDP970290A patent/ID16193A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IN190924B (en) | 2003-09-06 |
| CN1156224A (en) | 1997-08-06 |
| MY128689A (en) | 2007-02-28 |
| JPH09210201A (en) | 1997-08-12 |
| ID16193A (en) | 1997-09-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| FG4A | Grant of patent | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20010509 |
|
| EXPY | Termination of patent right or utility model |