CN102979842A - Brake disc - Google Patents
Brake disc Download PDFInfo
- Publication number
- CN102979842A CN102979842A CN2012100211234A CN201210021123A CN102979842A CN 102979842 A CN102979842 A CN 102979842A CN 2012100211234 A CN2012100211234 A CN 2012100211234A CN 201210021123 A CN201210021123 A CN 201210021123A CN 102979842 A CN102979842 A CN 102979842A
- Authority
- CN
- China
- Prior art keywords
- brake disc
- recess
- brake
- circumferential section
- annular board
- 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.)
- Pending
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Abstract
The invention provides a brake disc. The brake disc has a light and handy petaling periphery shape which would not damage functions of clean brake blocks and improves durability. The brake disc BD has the petaling periphery shape, with radial raised portions 3a and recess portions 3b connected along a peripheral direction. Dent portions 51 and 52 are formed on a peripheral part of the brake disc corresponding to the recess portions 3b on the concave-convex periphery. Axial through holes 4a are disposed on the left peripheral part 1a.
Description
Technical field
The present invention relates to a kind of brake disc that uses at the disc brake device of motorcycle etc.
Background technique
For example by patent documentation 1 as can be known, for weight reduction and improve thermal diffusivity, the past is made into the peripheral shape of this brake disc along circumference and the petal of radially outer projection and radially inner groove alternately occur successively.For further weight reduction etc., on the whole girth of the circumferencial direction of brake disc (external rotor section), be provided with a plurality of axial pass-through holes (punching) with predetermined distance.Herein, such a through hole, clamp brake disc (external rotor section) with brake block when making braking force be passed to axletree (brake operation), having the peripheral portion cleaning brake block with each through hole, always can obtain the effect of good braking quality.
Yet, in the product of above-mentioned known example, when repeating brake operation, have very large temperature variation, the problem of poor durability of producing easily.Namely, recess and protuberance in the described concavo-convex periphery of the product of above-mentioned known example, distance apart from the inner circumference edge section of brake disc is different, the caloic of the circumferential section of the brake disc corresponding with this recess (heat mass), the caloic of the circumferential section of the brake disc that ratio is corresponding with protuberance is low, in addition, if through hole is formed on the circumferential section of the brake disc corresponding with this recess, then caloic further reduces.As a result, when repeating brake operation, produce easily very large temperature variation.
In this case, although the thickness of slab that can consider to increase brake disc can cause weight to increase to improve durability like this.On the other hand, although can consider also that not circumferential section at the brake disc corresponding with this recess forms through hole and suppresses caloic and descend, can cause like this cleaning effect of brake block to descend.
The prior art document
Patent documentation
Brief summary of the invention
The technical problem that invention will solve
In view of above situation, the technical problem to be solved in the present invention provides a kind of brake disc, and it has the function that can not lose the cleaning brake block, and can improve the light and handy petal peripheral shape of durability.
Summary of the invention
The means of technical solution problem
For solving the problems of the technologies described above, brake disc of the present invention has petal outer periphery, on described outer periphery, along the circumferential direction alternately be formed with successively radially outer projection and radially inner recess, described brake disc is characterised in that: be formed with recess at the circumferential section corresponding with recesses described outer periphery brake disc, be formed with axial pass-through holes at all the other circumferential sections of brake disc.
Adopt the present invention, because the circumferential section at the brake disc corresponding with recess in the described concavo-convex periphery forms recess, simultaneously at remaining circumferential section, for example be formed with through hole on the circumferential section of the brake disc corresponding with this protuberance, thereby on the one hand the reduction of the caloic on the circumferential section of the brake disc corresponding with recess is suppressed, caloic on the circumferential section of the brake disc corresponding with protuberance reduces on the other hand, thus, when brake operation, can reduce the temperature difference (namely suppressing to produce violent temperature variation) on the circumferencial direction of brake disc, improve durability.Thereby, need not to increase the thickness of slab of brake disc, can make brake disc weight saving, also can bring into play well anti-shudder performance.In this case, can be by adjusting volume, the degree of depth or the diameter etc. of recess, or the diameter of through hole, the relation between the position, so that the caloic of the circumferencial direction of protuberance radially and recess is consistent, suppress to produce violent temperature variation, operability also can be improved.In addition, by forming recess, therefore brake block always can be obtained good braking quality by the inner circumference edge section of each recess cleaning.In addition, in the present invention, so-called recess refers to the spill opening that does not axially connect.
In the present invention, when described recess was formed on the tow sides of brake disc, preferred two recess had same opening shaft.Thus, the anti-shudder performance in the time of can bringing into play brake operation well.On the other hand, also can be set to the opening shaft of two recess is departed from a circumferential direction each other.Thus, can brake disc axially eliminate become as thin as a wafer place of thickness of slab, can further reduce the temperature difference on the circumferencial direction of brake disc, have again, have the advantage that can reduce thermal strain.
Have again, in the present invention, preferably curve form is made in the bottom of described recess.Thus, can make near the stress dispersion in this bottom.
Description of drawings
Fig. 1 is the plan view of the brake disc of embodiments of the present invention.
Fig. 2 is that Fig. 1 is along the amplification profile of II-II line.
Fig. 3 is the local enlarged front view of brake disc that variation is related to.
Embodiment
Below, be installed in the brake disc BD of the embodiments of the present invention on the motorcycle with reference to accompanying drawing explanation.As shown in Figures 1 and 2, brake disc BD is by stainless steel (SUS410, according to JIS, JIS) etc. sheet metal is made through impact briquetting, it comprises annular board 1 and 3 protuberances 2 of periphery, and described 3 protuberances 2 are mutually with the interior perimembranous radially inwardly outstanding setting of predetermined distance along this annular board 1.In the protuberance 2, made 2 lightening holes 21, simultaneously this footpath forward (interior) end boring mounting hole 22 is arranged.By this mounting hole 22, brake disc BD is installed on the nave boss of not shown axletree with screw bolt and nut.And when carrying out brake operation, as shown in Figure 2, a pair of front and back brake block P passes to axletree with sliding contact clamping annular board 1 (brake operation) with braking force.
Be weight reduction and improve thermal diffusivity that the peripheral shape of annular board 1 is made radially protuberance 3a and is connected alternately connect successively petal with recess 3b.Have, for weight reduction etc., offer a plurality of axial pass-through holes (punching) 4 at annular board 1, it is arranged on inside and outside multiple (illustrated example is 2 weights) concentric circle, and the front is seen as circle, has same diameter.
Herein, among the above-mentioned brake disc BD, protuberance 3a is different to the distance of the inner circumference edge section 11 of annular board 1 with recess 3b in the concavo-convex periphery, and the caloic of the circumferential section 1b of the annular board 1 corresponding with this recess 3b is than low with the circumferential section 1a of the corresponding annular board 1 of protuberance 3a.Therefore, if through hole 4 also is formed into circumferential section 1b, then caloic becomes lower, when repeating brake operation, produces very large temperature variation at annular board 1 easily, and thus, durability is impaired.
Therefore, in the present embodiment, be set as: each circumferential section 1b at annular board 1 forms recess 5
1, 5
2, described recess 5
1, 5
2Be positioned on the concentric circle, be that the front is seen as circle, has same diameter, non-through shaft to recessed groove.Recess 5
1, 5
2Be formed at respectively the positive and negative of ring-type board 1, two recess 5
1, 5
2Be set to have same opening shaft 5a.Recess 5 is arranged again
1, 5
2 Bottom 5b make respectively curve form.In this case, reduce by two recess 5 for suppressing caloic
1, 5
2Diameter be set as diameter less than through hole 4.In addition, by suitably setting two recess 5
1, 5
2Volume, the degree of depth and diameter etc., the circumferential section 1b that can make at the annular board 1 corresponding with recess 3b and with the circumferential section 1a of annular board 1 corresponding to protuberance 3a on its caloic close.
According to above-mentioned mode of execution, form recess 5 at the circumferential section 1b of annular board 1
1, 5
2Simultaneously at remaining circumferential section--the circumferential section 1a of the annular board 1 that protuberance 3a is corresponding forms through hole 4, thereby suppressing caloic at the circumferential section 1b of the annular board 1 corresponding with recess 3b on the one hand reduces, the upper caloic of the circumferential section 1a of the annular board 1 corresponding with protuberance 3a reduces on the other hand, thus when carrying out brake operation, can reduce the temperature difference (namely suppressing to produce violent temperature variation) on the circumferencial direction of brake disc BD, improve durability.Thereby, need not to increase the thickness of slab of annular board 1, can make the brake disc weight reduction, also can bring into play well anti-shudder performance.In this case, can pass through recess 5
1, 5
2Volume, the degree of depth and diameter etc. or diameter, the position of through hole 4 adjust so that protuberance 1a is consistent with the caloic of the circumferencial direction of recess 1b, suppress the generation of violent temperature variation, operability is improved.In addition, by forming recess 5
1, 5
2, brake block P is by each recess 5
1, 5
2Inner circumference edge section cleaning, therefore always can obtain good braking quality.
Have again, owing to be set as two recess 5
1, 5
2Has same opening shaft 5a, so when carrying out brake operation, can bring into play well anti-shudder performance.On this, because with described recess 5
1, 5
2 Bottom 5a make curve form, can make near the stress dispersion this bottom.
As above, with reference to accompanying drawing embodiments of the present invention are illustrated, but the present invention is not limited to foregoing.For example, the brake disc BD of above-mentioned mode of execution is brake block P with sliding contact retained part (annular board 1) and is fixed on the member of the plate structure that the part on the nave boss of axletree is integrated, but the folded part of brake block P (annular board 1) and the part that is fixed on the nave boss of axletree are split, connect too applicable the present invention of brake disc of both two boards structures with the pin that floats.
Having, in the above-described embodiment, is with two recess 5 again
1, 5
2Be set as that to have same opening shaft 5a be the explanation that example is carried out, but be not limited in this, for example as shown in Figure 3, also can be with two recess 50
1, 50
2Opening shaft be set as on the circumferencial direction and mutually depart from.Thus, can annular board 1 axially eliminate become as thin as a wafer place of thickness of slab, can further reduce the temperature difference on the circumferencial direction of annular board 1, have again, more be conducive to reduce thermal strain.
Description of reference numerals
BD ... brake disc, 1 ... annular board, 1a ... the circumferential section of the annular board corresponding with protuberance, 1b ... the circumferential section of the annular board corresponding with recess, 3a ... protuberance, 3b ... recess, 5
1, 5
2Recess, 5a ... opening shaft, 5b ... the bottom.
Claims (4)
1. a brake disc has petal outer periphery, along the circumferential direction alternately is formed with successively radially outer projection and radially inner recess on described outer periphery, and described brake disc is characterised in that:
Be formed with recess at the circumferential section corresponding with recesses described outer periphery described brake disc, be formed with axial pass-through holes at all the other circumferential sections of described brake disc.
2. brake disc according to claim 1, it is characterized in that: the front surface of described brake disc and rear surface all are formed with described recess, and two recess have same opening shaft.
3. brake disc according to claim 1, it is characterized in that: the front surface of described brake disc and rear surface all are formed with described recess, and the opening shaft of two recess departs from a circumferential direction mutually.
4. the described brake disc of any one according to claim 1～3 is characterized in that: the bottom of described recess is curve form.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-194406 | 2011-09-06 | ||
| JP2011194406A JP5706790B2 (en) | 2011-09-06 | 2011-09-06 | brake disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102979842A true CN102979842A (en) | 2013-03-20 |
Family
ID=47854124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100211234A Pending CN102979842A (en) | 2011-09-06 | 2012-01-30 | Brake disc |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5706790B2 (en) |
| CN (1) | CN102979842A (en) |
| BR (1) | BR102012002891A2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI464332B (en) * | 2013-07-05 | 2014-12-11 | Yuan Hung Wen | Brake disc |
| CN106969069A (en) * | 2017-04-26 | 2017-07-21 | 重庆隆鑫机车有限公司 | A kind of brake disc and motorcycle |
| CN113613990A (en) * | 2019-03-22 | 2021-11-05 | 新时代技研株式会社 | Brake disc |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6134277B2 (en) * | 2014-03-06 | 2017-05-24 | 株式会社ユタカ技研 | brake disc |
| JP6712340B1 (en) | 2019-03-06 | 2020-06-17 | サンスター技研株式会社 | Brake disc manufacturing method and brake disc |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6440726A (en) * | 1987-04-15 | 1989-02-13 | Yutaka Giken Co Ltd | Brake disc |
| EP0598242A1 (en) * | 1992-10-22 | 1994-05-25 | FICHTEL & SACHS AG | Driven plate for a clutch disk of a vehicle friction clutch and its method of manufacture |
| JPH084809A (en) * | 1994-06-14 | 1996-01-12 | Honda Motor Co Ltd | Brake disc and its manufacture |
| CN1924388A (en) * | 2005-08-30 | 2007-03-07 | 雅马哈发动机株式会社 | Disk braking device and motorcycle |
| CN2926660Y (en) * | 2006-03-01 | 2007-07-25 | 吴思德 | Working-face curved brake disc |
| CN200946640Y (en) * | 2006-03-02 | 2007-09-12 | 吴思德 | Braking disc with heat-radiating hole |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6193639U (en) * | 1984-11-22 | 1986-06-17 | ||
| JPH01168031U (en) * | 1988-05-17 | 1989-11-27 | ||
| JP2875386B2 (en) * | 1990-11-28 | 1999-03-31 | ヤマハ発動機株式会社 | Motorcycle Disc Brake Device |
| JP3136459B2 (en) * | 1994-10-26 | 2001-02-19 | 日信工業株式会社 | Disc rotor for vehicle disc brakes |
| JP2009197853A (en) * | 2008-02-20 | 2009-09-03 | Yutaka Giken Co Ltd | Brake disk and its manufacturing method |
| JP2009250330A (en) * | 2008-04-04 | 2009-10-29 | Yamaha Motor Co Ltd | Brake disk |
| JP2010014190A (en) * | 2008-07-03 | 2010-01-21 | Sunstar Engineering Inc | Floating brake disk |
| JP2012141065A (en) * | 2012-04-25 | 2012-07-26 | Yutaka Giken Co Ltd | Method of manufacturing brake disc |
-
2011
- 2011-09-06 JP JP2011194406A patent/JP5706790B2/en not_active Expired - Fee Related
-
2012
- 2012-01-30 CN CN2012100211234A patent/CN102979842A/en active Pending
- 2012-02-08 BR BRBR102012002891-3A patent/BR102012002891A2/en not_active Application Discontinuation
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6440726A (en) * | 1987-04-15 | 1989-02-13 | Yutaka Giken Co Ltd | Brake disc |
| EP0598242A1 (en) * | 1992-10-22 | 1994-05-25 | FICHTEL & SACHS AG | Driven plate for a clutch disk of a vehicle friction clutch and its method of manufacture |
| JPH084809A (en) * | 1994-06-14 | 1996-01-12 | Honda Motor Co Ltd | Brake disc and its manufacture |
| CN1924388A (en) * | 2005-08-30 | 2007-03-07 | 雅马哈发动机株式会社 | Disk braking device and motorcycle |
| CN2926660Y (en) * | 2006-03-01 | 2007-07-25 | 吴思德 | Working-face curved brake disc |
| CN200946640Y (en) * | 2006-03-02 | 2007-09-12 | 吴思德 | Braking disc with heat-radiating hole |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI464332B (en) * | 2013-07-05 | 2014-12-11 | Yuan Hung Wen | Brake disc |
| CN106969069A (en) * | 2017-04-26 | 2017-07-21 | 重庆隆鑫机车有限公司 | A kind of brake disc and motorcycle |
| CN113613990A (en) * | 2019-03-22 | 2021-11-05 | 新时代技研株式会社 | Brake disc |
| CN113613990B (en) * | 2019-03-22 | 2023-04-21 | 新时代技研株式会社 | Brake disc |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5706790B2 (en) | 2015-04-22 |
| JP2013053741A (en) | 2013-03-21 |
| BR102012002891A2 (en) | 2015-07-28 |
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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 | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130320 |