CN100445590C - Disk brake apparatus - Google Patents

Disk brake apparatus Download PDF

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Publication number
CN100445590C
CN100445590C CNB2006101216598A CN200610121659A CN100445590C CN 100445590 C CN100445590 C CN 100445590C CN B2006101216598 A CNB2006101216598 A CN B2006101216598A CN 200610121659 A CN200610121659 A CN 200610121659A CN 100445590 C CN100445590 C CN 100445590C
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CN
China
Prior art keywords
lobe plate
side lobe
cylinder bore
groove
circumferential
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Expired - Fee Related
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CNB2006101216598A
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Chinese (zh)
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CN1920324A (en
Inventor
绵田明文
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Nissin Kogyo Co Ltd
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Nissin Kogyo Co Ltd
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Publication of CN1920324A publication Critical patent/CN1920324A/en
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Publication of CN100445590C publication Critical patent/CN100445590C/en
Expired - Fee Related legal-status Critical Current
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Abstract

A disk brake apparatus is provided in which a fixed side cam plate, a drive side cam plate, a thrust transmission plate and a cam spring are accomodated in a housing with a simple structure for unitization capable of regulating rotation and movement in a cylinder shaft direction of the housing, and anti-rotation of the fixed-side cam shaft, thus providing good stroke feeling at a time of parking brake operation and keeping a brake gap between a friction pad and a disk rotor always suitable by surely operating an adjuster. Axial grooves and circumferential groove intersecting with the axial grooves are provided in a cylinder bore. A fixed-side cam plate has anti-rotation projections, which are projected from the fixed-side cam plate and inserted into the axial grooves, and fastening grooves, which are formed at circumferential areas of the bottom side of the fixed-side cam plate at a circumferential side of each of anti-rotation projections. The housing has engagement ribs which are projected from the housing to be engaged with the axial grooves, and fastening pieces, which are formed at a circumferential side of each of the engagement ribs, the fastening pieces being fitted in the fastening grooves.

Description

Disk brake apparatus
Technical field
The present invention relates to Disk brake apparatus, described Disk brake apparatus comprises: the piston by hydraulic pressure pushing friction pad, be used for adjusting automatically the regulator in the gap between friction pad and the disk rotor and the thrust shifting mechanism by the spherical slideway type parking brake via described regulator pushing piston.
Background technique
As the Disk brake apparatus that is applied on four wheeler etc., the Disk brake apparatus that has parking brake is arranged, and this disk type braker comprises: by the hydraulic type actuating mechanism of brake petal control with carry out the mechanical type actuating mechanism of draw operations by handle or foot treadle.This has the Disk brake apparatus of parking brake, usually, constitute the piston of hydraulic type actuating mechanism in the front opening side configuration of the cylinder bore that is provided with braking clamp body, have the regulator of adjusting nut and adjusting bolt in the configuration of the back of this piston side, and constitute the thrust shifting mechanism of mechanical type actuating mechanism in the bottom side configuration of cylinder bore.
As the thrust shifting mechanism, spherical slideway type is by likewise known in the prior art.The thrust shifting mechanism of this spherical slideway type will form dispose relative with the driving side lobe plate of fixed side lobe plate of the slide groove of accommodating camshaft bearing respectively, by operation is rotated the driving side lobe plate to parking brake, utilize the cam action of slide groove and camshaft bearing thus, make the thrust of piston generation to the disk rotor side shifting, by this thrust via regulator with piston to disk rotor direction pushing, the pad that will rub is crimped on the disk rotor and obtains braking force.And, be housed in the shell roughly cylindraceous and carry out blocking to the cam spring of the direction application of force of described driving side lobe plate with described fixed side lobe plate, described driving side lobe plate, described thrust transmission plate and to the thrust transmission plate, and realize improving assembling.(for example, with reference to patent documentation 1)
Patent documentation 1: specially permit communique No. 2739879
In thrust shifting mechanism as above-mentioned spherical slideway type, carry out blocking owing to fixed side lobe plate, driving side lobe plate, thrust transmission plate and cam spring are housed in the shell roughly cylindraceous, thus circumferential rotation of cylinder body that must limit shell and Boring mill to move.Therefore, make that fixed side lobe plate and cylinder bore bottom is concavo-convex to engage or utilize the engagement pin engaging to rotate with restriction, in addition, the outstanding installation sheet that is provided with on perisporium, by this installation sheet being fastened on the stop ring that is installed on cylinder bore, shell is installed in the cylinder bore, therefore time-consuming and increased component number in the installation of the installation processing of fixed side lobe plate or shell.
Summary of the invention
The objective of the invention is to: a kind of Disk brake apparatus is provided, it is housed in fixed side lobe plate, driving side lobe plate, thrust transmission plate and cam spring in the shell roughly cylindraceous and carries out blocking, utilize simple structural limitations shell the circumferential rotation of cylinder body and Boring mill to move and the rotation of fixed side lobe plate, good stroke sense in the time of can obtaining the stopping brake operation, make the regulator action effectively, make total the maintenance well of brake clearance of friction pad and disk rotor.
In order to reach above-mentioned purpose, Disk brake apparatus of the present invention comprises: be housed in the front opening side of the cylinder bore that is formed at braking clamp body piston, be arranged on the thrust shifting mechanism of the bottom side of cylinder bore, the regulator that has the adjusting nut that is arranged between this thrust shifting mechanism and the described piston and regulate bolt, promote the parking brake of described piston via regulator from described thrust shifting mechanism.Described thrust shifting mechanism comprises: the fixed side lobe plate that is installed in the diapire of described cylinder bore, rotatable with respect to described cylinder bore diapire and fixed side lobe plate and can axially movably connect at cylinder body camshaft, be arranged on the cylinder bore opening side driving side lobe plate of this camshaft, be respectively formed at the slide groove of relative position of this driving side lobe plate and described fixed side lobe plate and the camshaft bearing that is housed in this slide groove, described regulator has the thrust transmission plate on the cylinder bore bottom side end relative with the either party's who regulates bolt described driving side lobe plate with adjusting nut, contain described fixed side lobe plate in the shell roughly cylindraceous, described driving side lobe plate, described thrust transmission plate and to described thrust transmission plate in the Disk brake apparatus of the cam spring of the affiliated driving side lobe plate direction application of force, described cylinder bore have on the bottom side inner peripheral surface Boring mill to axial groove and the circumferential peripheral groove of cylinder body that intersects with this axial groove, described fixed side lobe plate has the spline that is inserted into the outstanding described axial groove that is arranged on outer circumferential face with tab and be formed on fastening groove on the bottom surface outer circumferential face of a circumferential side of this spline usefulness tab, described shell has the embedding hooking sheet that can insert the outstanding engaging rib that is arranged on the described peripheral groove of cylinder bore bottom side end and engages with described peripheral groove and embed the described engagement groove of a circumferential side that is formed at this engaging rib, in described shell, contain described driving side lobe plate, described thrust transmission plate and described cam spring, under the state that the hooking sheet card of described shell is ended in the bottom surface of described fixed side lobe plate, behind the axial groove of spline with the fixed side lobe plate with the engaging rib insertion cylinder bore of tab and shell, rotate described shell to a side, the engaging rib of described shell is inserted the peripheral groove of cylinder bore, and hooking sheet embedded described fastening groove and described shell is fixed in the cylinder bore.Also on cylinder body is circumferential, equally spaced form a plurality of described axial grooves, described spline tab and described engaging rib, upwards respectively equally spaced form described fastening groove with the circumferential side of tab in cylinder body week in each spline, and, on cylinder body is circumferential, equally spaced form described hooking sheet respectively in a circumferential side of each engaging rib.
By above-mentioned structure, the fixed side lobe plate inserts the axial groove of cylinder bore and is stopped rotation with tab by spline.Because the hooking sheet of shell is embedded the fastening groove of the fixed side lobe plate that is stopped rotary state, and the engaging rib is inserted into peripheral groove, shell can not rotate and be limited in Boring mill to the state that moves under be set in the cylinder bore.Thus, can utilize simple structure to obtain good stroke sense when stopping brake is operated, and make regulator action effectively, the brake clearance of can always keep well rubbing pad and disk rotor also can suppress component number for a small amount of.
And, with the driving side lobe plate, thrust transmission plate and cam spring are accommodated in the enclosure, end on the fixed side lobe plate by hooking sheet card shell, with the fixed side lobe plate, the driving side lobe plate, the interim installation of thrust transmission plate and cam spring carried out blocking in the enclosure, the spline that rotation case makes the fixed side lobe plate is with the position alignment of the engaging rib of tab and shell after inserting the axial groove of cylinder bore, pass through rotation case, the engaging rib is inserted the peripheral groove of cylinder bore, by the hooking sheet of shell being embedded the engagement groove of fixed side lobe plate, can easily described unit piece be installed in the cylinder bore, improve assembling.
And, the fixed side lobe plate is limited to rotate with tab by the spline of inserting described axial groove is set, in addition, by a plurality of spline tabs circumferentially equally spaced being set at cylinder body, can determine to be formed on the center of inserting hole of camshaft at the center of fixed side lobe plate, the fixed side lobe plate is disposed in place effectively.Thus, even on the fixed side lobe plate load is arranged when action, the center of fixed side lobe plate can not be offset yet, and the driving side lobe plate that is arranged on described camshaft is always rotated under stable status, carries out good stopping brake operation.And, to install and fix the side lobe plate in the enclosure temporarily, the driving side lobe plate, when the unit piece of thrust transmission plate and cam spring is installed on the cylinder bore, behind the axial groove of this unary described spline with tab and described engaging rib insertion cylinder bore, rotation case, the engaging rib is inserted the peripheral groove of cylinder bore, when the hooking sheet with shell embeds the fastening groove of fixed side lobe plate, even on the stationary cam plate load is arranged, because described a plurality of spline engages with described axial groove with tab, so the center can not be offset, described unit piece can be installed simply effectively.
Description of drawings
Fig. 1 is the major component amplification profile of the Disk brake apparatus of expression one embodiment of the invention;
Fig. 2 is the II-II sectional drawing of Fig. 1;
Fig. 3 is the III-III sectional drawing of Fig. 1;
Fig. 4 is the explanatory drawing of expression from the state of the state rotation case of Fig. 2;
Fig. 5 is the explanatory drawing that hooking sheet is embedded the state of fastening groove from the state rotation case of Fig. 3;
Fig. 6 is the exploded perspective view of identical propulsion converting device, adjusting nut and shell;
Fig. 7 is the section front elevation of identical Disk brake apparatus.
Symbol description
1: Disk brake apparatus, 2: braking clamp body, 2a: service portion, 3: the hydraulic type actuating mechanism, 4: the mechanical type actuating mechanism, 5: disk rotor, 6: the brake calipers carriage, 7: friction pads, 8: cylinder bore, 8a: large-diameter portion, 8b: minor diameter part, 8e: axial groove, 8f: peripheral groove, 8g: cylinder bore diapire, 8h: rib accepting groove, 9: piston, 10: the thrust shifting mechanism, 11: regulator, 12: the fixed side lobe plate, 12a: inserting hole, 12b: rib, 12c: spline tab, 12d: fastening groove, 13: regulate bolt, 13a: path piston, 13b: clutch plate, 14: adjusting nut, 14a: many screw threads, 14b: thrust transmission plate, 14c: accepting hole, 14d: limitation part, 14e: engaging teat, 15: cam spring, 16: shell, 16a: big directly tube portion, 16b: path tube portion, 16c: card complex hole, 16e: engaging rib, 16f: hooking sheet, 17: Regulation spring, 18: bearing bracket, 19: stop ring, 20: bearing, 21: camshaft, 21a: driving side lobe plate, 21b: cylindrical part, 21c: teat, 22: slide groove, 23: camshaft bearing, 24: thrust bearing, 25: operating lever
Embodiment
Below, with reference to the accompanying drawings one embodiment of the invention are described in detail.Fig. 1 to Fig. 7 has represented one embodiment of the invention, Fig. 1 is the amplification profile of the major component of Disk brake apparatus, Fig. 2 is the II-II sectional drawing of Fig. 1, Fig. 3 is the III-III sectional drawing of Fig. 1, Fig. 4 is the explanatory drawing of expression from the state of the state rotation case of Fig. 2, Fig. 5 embeds the explanatory drawing of the state of fastening groove from the state rotation case of Fig. 3 with hooking sheet, and Fig. 6 is the exploded perspective view of propulsion converting device, adjusting nut and shell, and Fig. 7 is the section front elevation of Disk brake apparatus.
This Disk brake apparatus 1 is the Disk brake apparatus that has parking brake, described parking brake is provided with the mechanical type actuating mechanism 4 that the hydraulic type actuating mechanism 3 of utilizing brake petal operation not shown on the braking clamp body 2 and the parking brake that utilizes the operation of not shown handle or foot treadle are used simultaneously, braking clamp body 2 axially movably supports to dish via not shown a pair of sliding pin at the brake calipers carriage 6 that is fixedly installed on for a sidepiece of disk rotor 5 on the car body.
Described braking clamp body 2 has service portion 2a and the 2b of reaction portion that disposes relatively in the both sides of disk rotor 5, their 2c of bridge portion of outside connection that strides disk rotor 5, between service portion 2a and the 2b of reaction portion, a pair of friction pad 7,7 clips disk rotor 5 and disposes.
On service portion 2a, be formed with cylinder bore 8 at the disk rotor side opening.Cylinder bore 8 is formed with large-diameter portion 8a in the front opening side, is formed with minor diameter part 8b at the cylinder bore bottom side, on large-diameter portion 8a, circumferentially be provided with seal groove 8c and protection groove 8d respectively in the cylinder bore opening side.On minor diameter part 8b, upwards three axial groove 8e is set uniformly-spaced circumferentially, on the cylinder bore bottom side, be provided with the circumferential peripheral groove 8f of cylinder body that intersects with each axial groove 8e at Boring mill.
On the large-diameter portion 8a of cylinder bore 8, contain the piston that the round-ended cylinder shape is arranged 9 that constitutes hydraulic type actuating mechanism 3, on minor diameter part 8b, contain the thrust shifting mechanism 10 of the spherical slideway type that constitutes mechanical type actuating mechanism 4, and, between piston 9 and thrust shifting mechanism 10, dispose the regulator 11 that is used for regulating automatically the disk rotor 5 and the brake clearance of friction pad 7.Cylinder bore diapire 8g is provided with fixed side lobe plate 12.
Regulator 11 constitutes by regulating bolt 13 and adjusting nut 14, is provided with path piston 13a and clutch plate 13b at the head of regulating bolt 13.Adjusting nut 14 inside are formed with and regulate many screw thread 14a that bolt 13 screws togather, and the end of cylinder bore bottom side is provided with thrust transmission plate 14b.And, be provided with the shell cylindraceous 16 of accommodating cam spring 15 and thrust transmission plate 14b at the outer circumferential side of adjusting nut 14.
Described piston 9, its diapire 9a is housed in the large-diameter portion 8a of cylinder bore 8 towards the disk rotor side, on the inside center axle of piston 9, is provided with described adjusting nut 14 and regulates bolt 13.The diapire inner face of piston 9 is provided with embedding hole 9b, via sealing material is chimeric described path piston 13a is arranged on this embedding hole 9b, and the effect that clutch plate 13b utilizes Regulation spring 17 is crimped on the conical surface 9c of expansion from the opening portion of embedding hole 9b.
This Regulation spring 17, the one end is kept by bearing bracket 18, and the other end is kept by the stop ring on the outer peripheral portion that is arranged on adjusting nut 14 19, via bearing bracket 18 and bearing 20 under rotatable state to regulating bolt 13 to the diapire 9a side application of force.
Described thrust shifting mechanism 10 comprises: rotatable and camshaft 21, the driving side lobe plate 21a that is arranged on the cylinder bore opening side end of this camshaft 21 that upwards connect movably at Boring mill, three slide grooves 22 of relative position that are respectively formed at this driving side lobe plate 21a and described fixed side lobe plate 12 and three camshaft bearings 23 that are housed in this slide groove 22 with respect to cylinder bore diapire 8g and fixed side lobe plate 12.
Driving side lobe plate 21a, it is in the central authorities of cylinder bore opening side end, the outstanding cylindrical part 21b that is provided with, and relatively outstandingly on the outer circumferential side of this cylindrical part 21b be provided with two teat 21c, 21c, on the cylinder bore open side via thrust bearing 24 and described thrust transmission plate 14b butt.
Thrust transmission plate 14b, central authorities in cylinder bore bottom side end, be formed with the accepting hole 14c that accommodates cylindrical part 21b and teat 21c, 21c, outstanding limitation part 14d, the 14d of being provided with on interior all sides of this accepting hole 14c, this limitation part 14d, 14d and described teat 21c, the 12c butt also is limited in the scope that each camshaft bearing 23 can not come off from slide groove 22 with the amounts of rotation of driving side lobe plate 21a.And, be provided with three engaging teat 14e in the first-class compartment of terrain of periphery.
Fixed side lobe plate 12 forms discoid, is provided with the inserting hole 12a that inserts logical camshaft 21 in the central, the outstanding rib 12b that inserts the rib accepting groove 8h that is arranged at cylinder bore diapire 8g that is provided with on the bottom surface around this inserting hole 12a.And, on the outer circumferential face of fixed side lobe plate 12, equally spaced outstanding three the spline tab 12c that engages with each axial groove 8e of cylinder bore 8 respectively that are provided with on circumferentially are respectively arranged with fastening groove 12d from this spline with tab 12c equidistant compartment of terrain circumferential in each spline on the bottom surface peripheral part of the side of tab 12c.
Shell 16 has the big footpath 16a of tube portion that forms the path slightly littler than the footpath of the minor diameter part 8b of cylinder bore 8 integratedly, and the path tube 16b of portion that forms the internal diameter bigger than the external diameter that is formed on the thrust transmission plate 14b on the adjusting nut 14, on the cylinder bore bottom side of the path tube 16b of portion, run through each engaging that is provided with described thrust transmission plate 14b and use teat 14e only at three card complex hole 16c that axially movably engage.And, in the cylinder bore opening side end of the path tube 16b of portion, at the side-prominent supporting pieces 16d that is provided with cam spring 15 of interior week.Cylinder bore bottom side end at the big footpath tube 16a of portion, circumferentially equally spaced outstanding each axial groove 8e that can insert cylinder bore 8 and the engaging rib 16e that engages with peripheral groove 8f respectively of being provided with, in the circumferential side of each engaging rib 16e, be formed with hooking sheet 16f respectively from this engaging rib 16e equidistant compartment of terrain circumferential.
The assembling of the Disk brake apparatus 1 of the present embodiment of Xing Chenging like this is that one end and supporting pieces 16d butt are inserted logical adjusting nut 14 to the interior week of cam spring 15 from the opening insertion cam spring 15 of the cylinder bore bottom side of shell 16.Make the other end and the cylinder bore opening side end butt that is arranged at the thrust transmission plate 14b of this adjusting nut 14 of cam spring 15, the engaging teat 14e of adjusting nut 14 is engaged with the card complex hole 16c of shell 16.Then, accommodate cylindrical part 21b and the teat 21c of driving side lobe plate 21a at the accepting hole 14c of thrust transmission plate 14b, 21c, the cylinder bore opening side end that makes the cylinder bore bottom side of thrust transmission plate 14b and driving side lobe plate 21a is via thrust bearing 24 butts.Driving side lobe plate 21a, the limitation part 14d butt that forms in its teat 21c by being formed on cylindrical part 21b and the accepting hole 14c is restricted to the rotation more than the established amount.Then make camshaft 21 each camshaft bearing 23 is housed in each slide groove 22 by the inserting hole 12a of fixed side lobe plate 12, and fixed side lobe plate 12 is arranged on the cylinder bore bottom side of driving side lobe plate 21a, the hooking sheet 16f of warpage shell 16 ends itself and the bottom surface card except the fastening groove 12d of fixed side lobe plate 12.Thus, fixed side lobe plate 12 is installed in the cylinder bore bottom side of shell 16 temporarily, propulsion converting device 10, thrust transmission plate 14b and cam spring 15 can be installed in the shell 16 and carry out blocking.
The unit piece of An Zhuaning is by making shell 16 and 12 rotations of fixed side lobe plate like this, make the circumferential position alignment of the spline of the engaging rib 16e of shell 16 and fixed side lobe plate 12 with tab 12c, with fixed side lobe plate 12 towards cylinder bore diapire 8g side spline with the axial groove 8e of tab 12c and engaging rib 16e insertion cylinder bore and insert in the cylinder bore 8.At this moment, on fixed side lobe plate 12, owing on cylinder body is circumferential, equally spaced be provided with three spline tab 12c that insert axial groove 8e, so can limit the rotation of fixed side lobe plate 12, and determine to be formed on the center of inserting hole 12a of camshaft 21 at the center of fixed side lobe plate 12, in place with inserting hole 12a configuration.Then, rotational shell 16 is fastened on the engaging rib 16e of shell 16 on the peripheral groove 8f of cylinder bore 8, and each snap-latch piece 16f of shell 16 is embedded each fastening groove 12d of fixed side lobe plate 12.This unit piece is fixed in the cylinder bore 8 thus.When rotational shell 16 in this wise, though have load on the fixed side lobe plate 12, but because three splines of fixed side lobe plate 12 are inserted axial groove 8e with tab 12c, so fixed side lobe plate 12 does not rotate, and the center is non-migration also, and the driving side lobe plate 21a that can always will be arranged on the camshaft 21 with good state ground is arranged in the cylinder bore.
In addition, adjusting bolt 13, bearing 20, bearing bracket 18, Regulation spring 17 and stop ring 19 are installed sequentially in the inside of piston 9, this is also as a unit.Then, will regulate bolt 13 and be screwed on the adjusting nut 14 and simultaneously piston 9 is pressed into cylinder bore 8, operating lever 25 will be installed in the protruding terminus of camshaft 21.Thus, hydraulic type actuating mechanism 3, mechanical type actuating mechanism 4 and regulator 11 can be installed on the braking clamp body 2.And each sealing material was installed in the suitable stage.
This Disk brake apparatus 1, it is in the brake operating that utilizes hydraulic type actuating mechanism 3, by the pressure that imports the action liquid in the cylinder bore 8 piston 9 is promoted to the disk rotor direction, the friction pads 7 of service portion 2a is pushed to a side of disk rotor 5, and braking clamp body 2 is moved to service portion 2a direction by this reaction force, the 2b of reaction portion pushes the friction pad 7 of the 2b of reaction portion side to the another side of disk rotor 5, carries out braking action.
At this moment, under the situation of the brake clearance of friction pad 7 and disk rotor 5 in fixing scope, the amount of movement of piston 9 only moves the amount of the backlash of regulating bolt 13 and adjusting nut 14 and can not carry out regulating action.If because the brake clearance of the abrasion of friction pads 7 and disk rotor 5 surpasses specified value, then piston 9 significantly moves to the disk rotor side above described backlash amount, so the conical surface 9c of clutch plate 13b and piston 9 is for leaving state.Under this state, regulate bolt 13 because the active force of Regulation spring 17 takes out clutch plate 13b and conical surface 9c butt from adjusting nut 14.If the brake off operation then retreats the backlash amount by piston 9 and adjusting bolt 13, the brake clearance of friction pads 7 and disk rotor 5 automatically adjusts in predetermined range this state down.
And, in the stopping brake operation of being undertaken by mechanical type actuating mechanism 4, if operating lever 25 is carried out rotating operation by not shown handle or foot treadle, then driving side lobe plate 21a rotates with camshaft 21, each slide groove 22 of driving side lobe plate 21a and the phase deviation that engages each slide groove 22 of the fixed side lobe plate 12 that is in nonrotating state owing to spline with tab 12c and axial groove 8e, each camshaft bearing 23 moves to the shallow part of slide groove 22 respectively thus, and driving side lobe plate 21a leaves fixed side lobe plate 12 ground to the disk rotor side shifting.Axial the moving of this driving side lobe plate 21a is delivered to piston 9 via regulating bolt 13 from adjusting nut 14, becomes the thrust that this piston 9 is moved to the disk rotor thruster, carries out braking action in the same manner with the braking action of described hydraulic type actuating mechanism 3.
In this wise, when carrying out shut-down operation by mechanical type actuating mechanism 4, fixed side lobe plate 12 is because spline is stopped rotation with axial groove 8e and the quilt that tab 12c is inserted into cylinder bore 8, thereby shell 16 embeds each fastening groove 12 of the fixed side lobe plate 12 that is stopped rotary state respectively and is stopped rotation by each hooking sheet 16f, and because engaging rib 16e inserts the peripheral groove 8f of cylinder bore 8, the restriction Boring mill to move.And thrust transmission plate 14b can stopped rotation owing to engage with the card complex hole 16c of shell 16 under axially movable state.Thus, can obtain stopping brake good stroke sense of when operation, and, can make regulator 11 actions effectively, the brake clearance of friction pad 7 and disk rotor 5 is always remained on good state.In addition, the shell 16 that can easily carry out accommodating fixed side lobe plate 12, thrust shifting mechanism 10, thrust transmission plate 14b and cam spring 15 is installed in the operation in the cylinder bore, can improve the operation of the installation of Disk brake apparatus 1.And, fixed side lobe plate 12, because three splines are fastened on respectively on the axial groove 8e with tab 12c, even being subjected to load during action does not rotate yet, and the center of fixed side lobe plate 12 is non-migration also, can always remain under the stable status and rotate being arranged on driving side lobe plate 21a on the camshaft 21, thereby can carry out the stopping brake operation well.
In addition, be not limited to, on adjusting nut, form the thrust transmission plate, adjusting nut is accommodated in the enclosure, in addition, also can will regulate bolt and accommodate in the enclosure regulating formation thrust transmission plate on the bolt as above-mentioned embodiment.In addition, also can make camshaft stop rotation by making operating grip that carries out the rotating cam axle and the teat butt that is arranged on the outside of braking clamp body.And, be not limited to axial groove, spline and be provided with three in the above-described embodiments respectively with tab and engaging rib, at least be provided with one also passable, load is for the effect at center with inserting hole of determining to be formed on the camshaft on the fixed side lobe plate, equally spaced is provided with more than three to desirable on circumferentially at cylinder body.

Claims (4)

1. Disk brake apparatus, it comprises regulator and parking brake, and described regulator comprises: be contained in the front opening side of the cylinder bore that is formed on the braking clamp body piston, be arranged on the cylinder bore bottom side the thrust shifting mechanism, be arranged at the adjusting nut between this thrust shifting mechanism and the described piston and regulate bolt; Described parking brake promotes described piston from described thrust shifting mechanism via regulator, it is characterized in that: described thrust shifting mechanism comprises: the fixed side lobe plate that is installed in described cylinder bore diapire, rotatable and the camshaft that upwards connect movably at Boring mill with respect to described cylinder bore diapire and fixed side lobe plate, be arranged on the driving side lobe plate of the cylinder bore opening side of this camshaft, be formed at respectively this driving side lobe plate and described fixed side lobe plate relative position slide groove and be housed in the camshaft bearing of this slide groove, described regulator is with adjusting nut with regulate the relative cylinder bore bottom side end of any described driving side lobe plate of bolt and have the thrust transmission plate, with described fixed side lobe plate, described driving side lobe plate, described thrust transmission plate, the cam spring of this thrust transmission plate to the described driving side lobe plate direction application of force is housed in the shell cylindraceous, wherein, described cylinder bore the bottom side inner peripheral surface have Boring mill to axial groove and the circumferential peripheral groove of cylinder body that intersects with this axial groove, described fixed side lobe plate has the spline of inserting the outstanding described axial groove that is arranged at outer circumferential face with tab be formed on the fastening groove of bottom surface peripheral part of a circumferential side of this spline usefulness tab, described shell has can insert outstanding the be arranged at described axial groove of cylinder bore bottom side end and the engaging rib that engages with described peripheral groove, and the hooking sheet that embeds the described fastening groove of a circumferential side that is formed at this engaging rib, in described shell, contain described driving side lobe plate, described thrust transmission plate and described cam spring, under the state that the hooking sheet card of described shell is ended in the bottom surface of described fixed side lobe plate, behind the axial groove of spline with the fixed side lobe plate with the engaging rib insertion cylinder bore of tab and shell, described shell is rotated to a side, make the peripheral groove of the engaging rib insertion cylinder bore of described shell, and hooking sheet is embedded described fastening groove, described shell is fixed in the cylinder bore.
2. Disk brake apparatus as claimed in claim 1 is characterized in that:
On cylinder body is circumferential, equally spaced form a plurality of described axial grooves, described spline tab and described engaging rib, upwards respectively equally spaced form described fastening groove with the circumferential side of tab in cylinder body week in each spline, and, on cylinder body is circumferential, equally spaced form described hooking sheet respectively in a circumferential side of each engaging rib.
3. Disk brake apparatus as claimed in claim 1 is characterized in that:
The bottom side inner peripheral surface of described cylinder bore have cylinder body equally spaced be provided with on circumferentially a plurality of Boring mills to axial groove, and at the outer circumferential face of described fixed side lobe plate, the equally spaced outstanding spline tab that is provided with the described axial groove of a plurality of insertions on cylinder body is circumferential.
4. Disk brake apparatus as claimed in claim 3 is characterized in that:
Described axial groove and described spline tab more than three are set respectively.
CNB2006101216598A 2005-08-26 2006-08-28 Disk brake apparatus Expired - Fee Related CN100445590C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP245667/05 2005-08-26
JP2005245667 2005-08-26
JP348119/05 2005-12-01
JP44900/06 2006-02-22

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CN1920324A CN1920324A (en) 2007-02-28
CN100445590C true CN100445590C (en) 2008-12-24

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ITMI20071597A1 (en) * 2007-08-02 2009-02-03 Freni Brembo Spa PARKING DEVICE FOR A BRAKE CALIPER
KR20110124599A (en) * 2010-05-11 2011-11-17 주식회사 만도 Parking brake
KR101126176B1 (en) * 2010-05-12 2012-03-26 주식회사 만도 Electric disc brake
FR2966540B1 (en) * 2010-10-22 2012-11-30 Bosch Gmbh Robert DISC BRAKE WITH BLOCK LOCKING THE CONVERSION CARTRIDGE WITH A LATCH
KR101361319B1 (en) * 2012-07-20 2014-02-11 주식회사 만도 Caliper brake
CN103912615A (en) * 2014-03-28 2014-07-09 南车戚墅堰机车车辆工艺研究所有限公司 Brake cylinder with clearance adjustment function
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CN113374807A (en) * 2021-07-29 2021-09-10 山东力得汽车科技股份有限公司 Air pressure disc brake

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WO1991010841A1 (en) * 1990-01-11 1991-07-25 Lucas Industries Public Limited Company Actuator for a vehicle brake, in particular a disk brake
JP2739879B2 (en) * 1989-01-11 1998-04-15 ルーカス・インダストリーズ・パブリック・リミテッド・カンパニー Actuator with automatic readjustment of vehicle brakes
CN1389654A (en) * 2001-01-12 2003-01-08 日信工业株式会社 Mechanical disk-type brake for vehicles
US6651784B1 (en) * 1999-09-07 2003-11-25 Akebono Corporation North America Automatically-adjusting, hand-brake actuator and housing of light weight material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2739879B2 (en) * 1989-01-11 1998-04-15 ルーカス・インダストリーズ・パブリック・リミテッド・カンパニー Actuator with automatic readjustment of vehicle brakes
WO1991010841A1 (en) * 1990-01-11 1991-07-25 Lucas Industries Public Limited Company Actuator for a vehicle brake, in particular a disk brake
US6651784B1 (en) * 1999-09-07 2003-11-25 Akebono Corporation North America Automatically-adjusting, hand-brake actuator and housing of light weight material
CN1389654A (en) * 2001-01-12 2003-01-08 日信工业株式会社 Mechanical disk-type brake for vehicles

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