CN104246271B - Disk brake - Google Patents

Disk brake Download PDF

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Publication number
CN104246271B
CN104246271B CN201380017354.0A CN201380017354A CN104246271B CN 104246271 B CN104246271 B CN 104246271B CN 201380017354 A CN201380017354 A CN 201380017354A CN 104246271 B CN104246271 B CN 104246271B
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CN
China
Prior art keywords
bracket
component
pin
sliding
hole
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 - Fee Related
Application number
CN201380017354.0A
Other languages
Chinese (zh)
Other versions
CN104246271A (en
Inventor
山崎俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Astemo Ltd
Original Assignee
Hitachi Automotive Systems Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Automotive Systems Ltd filed Critical Hitachi Automotive Systems Ltd
Publication of CN104246271A publication Critical patent/CN104246271A/en
Application granted granted Critical
Publication of CN104246271B publication Critical patent/CN104246271B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • F16D55/224Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
    • F16D55/225Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
    • F16D55/226Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes
    • F16D55/2265Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes the axial movement being guided by one or more pins engaging bores in the brake support or the brake housing
    • F16D55/22655Constructional details of guide pins
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • F16D55/224Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
    • F16D55/225Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
    • F16D55/226Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes
    • F16D55/2265Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes the axial movement being guided by one or more pins engaging bores in the brake support or the brake housing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • F16D55/224Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
    • F16D55/225Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
    • F16D55/226Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes
    • F16D55/2265Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes the axial movement being guided by one or more pins engaging bores in the brake support or the brake housing
    • F16D55/227Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes the axial movement being guided by one or more pins engaging bores in the brake support or the brake housing by two or more pins
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00Parts or details
    • F16D65/02Braking members; Mounting thereof

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

The present invention provides a kind of disk brake, in the state of the first component for making composition pin abuts with the peripheral part in the cylinder portion of a part in second component with the inner peripheral portion in the hole of bracket, another part in first component and second component is pressed into the insertion section of a part, in the state of bracket is clamped using first component and the respective flange part of second component, first component and second component are fixed on bracket.

Description

Disk brake
Technical field
The present invention relates to a kind of disk brake for being used to carry out vehicle braking.
The application advocates the preferential of No. 2012-170478 application of Patent submitted based on July 31st, 2012 in Japan Power, and here cite its content.
Background technology
In the disk brake for carrying out the braking of the vehicles such as cart or carriage, existing makes to be formed with moment of torsion The pin of receiving portion and sliding part is screwed on the structure of bracket (for example, referring to patent document 1).
Prior art literature
Patent document
Patent document 1:(Japan) opens clear 57-139741 publications in fact
The content of the invention
The technical problems to be solved by the invention
Above-mentioned pin there is a possibility that to produce relaxation relative to bracket, have from the viewpoint of reliability is improved more than improvement Ground.
The present invention provides a kind of disk brake for the raising that can realize reliability.
For solving the technical scheme of technical problem
According to the first form of the present invention, disk brake has:It is fixed on the support in the non-rotating portion of vehicle;It can slide The support is supported on dynamicly and configures a pair of brake pads on the two sides of brake disc;With press a pair of brake pads in one The piston of individual brake pad and the caliper that can be slidably supported on the support.The support has:Formed with along brake disc Axially through hole and be fixed on the bracket in the non-rotating portion of vehicle;From the hole along the axially extending of brake disc and it is fixed Pin.The pin clips the hole and possesses the moment of torsion receiving portion slided for the brake pad in side, possesses in opposite side for the system The sliding part that dynamic pincers slide.The pin different parts as first component and second component are formed, in the first component And the second component is respectively formed with the flange radially extended abutted with around the opening in the hole of the bracket Portion.Formed with cylinder portion, cartridge has and allows another part in the first component and the second component The insertion section of part press-in.The peripheral part in the cylinder portion of a part in first component and second component is made and the bracket In the state of the inner peripheral portion in hole abuts, another part in the first component and second component is pressed into one part Insertion section, it is described in the state of the bracket is clamped using the first component and the respective flange part of the second component First component and the second component are fixed on the bracket.
The first component can have the moment of torsion receiving portion, and the second component can have the sliding part.
By the inner peripheral portion in the hole that the peripheral part of the cartridge of one part is pressed into the bracket, improve The inner peripheral portion in the hole of the bracket and the combination degree of the peripheral part of the cartridge of one part.
According to the second form of the present invention, the first component is cartridge, is had:The flange part;Cartridge, It, which has, axially extends from the flange part and inserts the inner peripheral portion in the hole of the bracket and allow the second component pressure The insertion section entered.The second component is pin member, its in side formed with moment of torsion receiving portion, in opposite side formed with cunning Dynamic portion, the direction inserted to the insertion section rear side formed with the flange part.
According to the 3rd form of the present invention, connect in the axial direction of the peripheral part in the cylinder portion of one part with the flange part Near position is provided with recess, and the convex portion abutted with the bracket is provided with the flange part of one part.
The effect of invention
According to above-mentioned disk brake, the raising of the reliability of disk brake can be realized.
Brief description of the drawings
Fig. 1 is the front view for the disk brake for representing the first embodiment of the present invention.
Fig. 2 is the side view for the disk brake for representing the first embodiment of the present invention.
Fig. 3 is the top view for the disk brake for representing the first embodiment of the present invention.
Fig. 4 is the side view cutaway drawing for the disk brake for representing the first embodiment of the present invention.
Fig. 5 is the side view cutaway drawing for the disk brake for representing second embodiment of the present invention.
Fig. 6 is the side view cutaway drawing for the disk brake for representing third embodiment of the present invention.
Fig. 7 is the side view cutaway drawing for the disk brake for representing the 4th embodiment of the present invention.
Fig. 8 is the side view cutaway drawing for the disk brake for representing the 5th embodiment of the present invention.
Fig. 9 is the side view of the sliding axle part for the disk brake for representing the 5th embodiment.
Figure 10 A are the side view cutaway drawings of the assembling procedure of the support for the disk brake for representing the 5th embodiment.
Figure 10 B are the side view cutaway drawings of the assembling procedure of the support for the disk brake for representing the 5th embodiment.
Figure 11 A are the side view cutaway drawings of the assembling procedure of the support for the disk brake for representing the 5th embodiment.
Figure 11 B are the side view cutaway drawings of the assembling procedure of the support for the disk brake for representing the 5th embodiment.
Figure 11 C are the side view cutaway drawings of the assembling procedure of the support for the disk brake for representing the 5th embodiment.
Figure 12 is the side view of the variation of the sliding axle part for the disk brake for representing the 5th embodiment.
Embodiment
" first embodiment "
Below, 1~Fig. 4 of reference picture illustrates to the first embodiment of the present invention.The disc type system of first embodiment Dynamic device is for vehicles such as cart or carriages, is particularly used for two-wheeled disk brake.Such as Fig. 1~figure Shown in 3, the disk brake 1 has:Brake disc 2;Support 3, it is configured in the side of the axis direction of brake disc 2;Caliper 4, it is supported on support 3 in a manner of across brake disc 2.In addition, as shown in Figure 2 and Figure 3, the disk brake 1 has two pieces and rubbed Cleaning block 5,6, also with enclosure (ブ ー Star) 12,13.It should be noted that the arrow R shown in Fig. 1, Fig. 3 represents that vehicle advances When brake disc 2 direction of rotation.Below, with the entrance side (Fig. 1, Fig. 3 right side) of the direction of rotation be brake disc screw in side, with Outlet side is that brake disc back-out side illustrates.In addition, using the axis direction of brake disc 2 as brake disc axial direction, with brake disc 2 Radially for brake disc radially, it is circumferential as brake disc direction of rotation or brake disc using the direction of rotation of brake disc 2.
As shown in figure 1, brake disc 2 is formed as discoideus.Brake disc 2 is arranged on the braking object i.e. car of disk brake 1 Wheel (not shown) and rotated integrally with wheel.
Support 3 is fixed on the non-rotating portion of vehicle.As shown in figure 4, support 3 has bracket 15, is all integrally attached to bracket 15 sliding pin 16 and dual-purpose pin (pin) 17.Sliding pin 16 guides the moving along brake disc axial direction of caliper 4.Dual-purpose pin 17 has concurrently The moment of torsion for having guiding caliper 4 sliding pin moved axially along brake disc and the braking torque for bearing brake pad 5,6 bears pin Function.
In the present embodiment, bracket 15 is formed by aluminium alloy.As shown in Fig. 2 bracket 15 configures the one side in brake disc 2 Side i.e. outside (Fig. 2 right side is the side opposite with wheel), the non-rotating portion's (example being fixed near the brake disc 2 of vehicle Such as front fork).As shown in figure 1, bracket 15 is configured with not in base end side formed with through hole 18, the bracket 15 in the through hole 18 In the state of the axletree of diagram, the non-rotating portion of vehicle is installed on.It should be noted that the material of bracket 15 is not limited to aluminium conjunction Gold, cast iron etc. can also be used to be formed.
In bracket 15, mounting hole 20 is sold in the centre position of brake disc radial direction formed with inner side.In the brake disc footpath of bracket 15 End laterally is formed with outside pin mounting hole (hole) 21.As shown in figure 4, inner side sell mounting hole 20 along brake disc axially through The ground of bracket 15 is formed, in inner peripheral portion formed with internal thread 22.In addition, mounting hole 21 is sold also along brake disc axially through bracket in outside 15 ground are formed, in inner peripheral portion formed with internal thread 23.
Sliding pin 16 is made up of bolt member 26 and collar 27.Bolt member 26 has can be with six prisms of tool engagement The head 28 of shape and columned axle portion 29, in the peripheral part shape of the prescribed limit for being located at opposite side with head 28 of axle portion 29 Into there is external screw thread 30.Collar 27 is formed as tubular, chimeric with the axle portion 29 of bolt member 26, covers the axle portion 29.
Bolt member 26 makes the inner side of bracket 15 sell the internal thread of mounting hole 20 in the state of axle portion 29 inserts collar 27 22 screw togather with external screw thread 30.The head 28 for the bolt member 26 being screwed by this way clamps collar together with bracket 15 27.As a result, bolt member 26 is fixed on bracket 15 together with collar 27.The slip being made up of bolt member 26 and collar 27 Pin 16 is installed on bracket 15 by this way.In this condition, sliding pin 16 is overall with along the posture of brake disc axial direction from bracket 15 extend to the side (outside) opposite with brake disc 2.The collar 27 of sliding pin 16 is entrenched in the enclosure 13, the periphery of collar 27 Face is covered by the enclosure 13.Sliding pin 16 can axially movably support caliper 4 via the enclosure 13 along brake disc.
Dual-purpose pin 17 is fixed on bracket 15.Dual-purpose pin 17 is outside to brake disc axle from selling mounting hole 21 from the outside of bracket 15 Mounting hole 21 is sold to brake disc axial direction in the sliding axle part (second component, a part) 35 of side extension and the outside from bracket 15 The moment of torsion of inner side extension bears 36 two different parts of axle portion part (first component, another part) and formed.
Sliding axle part 35 is made up of the material different from the bracket 15 of aluminium alloy.Sliding axle part 35 is in this embodiment party In formula specifically made of steel.Sliding axle part 35 has successively from one end of axial direction:Cylindric cylinder portion 40, its There is the poroid insertion section 39 that inner peripheral surface is barrel surface in radially center;The external diameter annular shape bigger than the peripheral part in cylinder portion 40 Flange part 41;The external diameter columned sliding part 42 smaller than cylinder portion 40.In other words, among the axial direction of sliding axle part 35 Portion is formed with flange part 41.Flange part 41 is formed extended at both sides outward than the cylinder portion 40 of axial both sides and sliding part 42 to footpath.
The insertion section 39 in cylinder portion 40 is the part for allowing moment of torsion to bear the press-in of axle portion part 36 as described later.Insertion section 39 to A side opening opposite with sliding part 42 for axial direction, is formed with the depth in the range of cylinder portion 40.Peripheral part shape in cylinder portion 40 Into there is external screw thread 43.The axial side of sliding part 42 of flange part 41 peripheral part formed with chamfering.The axial length in cylinder portion 40 Axial length than the outside pin mounting hole 21 of bracket 15 is slightly shorter.Cylinder portion 40, flange part 41 and sliding part 42 are to make all centers The consistent arranged coaxial of axle.
Moment of torsion bears axle portion part 36 and is made up in the present embodiment in the same manner as sliding axle part 35 of steel.Moment of torsion is born Axle portion part 36 has successively from one end of axial direction:Columned moment of torsion receiving portion 50, the external diameter annulus bigger than moment of torsion receiving portion 50 Flange part 51, the external diameter of the shape columned chimeric axle portion 52 smaller than moment of torsion receiving portion 50.In other words, axle portion is born in moment of torsion The axial pars intermedia of part 36 formed with flange part 51, flange part 51 than axial both sides moment of torsion receiving portion 50 and chimeric axle portion 52 to Footpath is formed extended at both sides outward.It should be noted that sliding axle part 35 and moment of torsion bear axle portion part 36 by being expanded than bracket 15 The small material formation of rate, in addition, it is not necessary that using identical material.
The axial length of chimeric axle portion 52 be with the axial length of the insertion section of sliding axle part 35 39 it is equal or on an equal basis with Under length.Chimeric axle portion 52 is embedded in the insertion section 39 of sliding axle part 35 in an interference fit as described later.Cause This, is fitted together to the amount that internal diameter big interference of the external diameter than insertion section 39 of axle portion 52 is taken measurements.Moment of torsion receiving portion 50, flange part 51 and embedding Sympodium portion 52 is the arranged coaxial for making all central shafts consistent.
Sliding axle part 35 makes the peripheral part in a portion 40 be installed on bracket with abutting with the inner peripheral portion of outside pin mounting hole 21 15.Specifically, the external screw thread 43 of the peripheral part in cylinder portion 40 is sold from the side opposite with brake disc 2 and the outside of bracket 15 and installed The internal thread 23 of the inner peripheral portion in hole 21 screws togather.Sliding axle part 35 is installed on bracket 15 by such be screwed.Now, it is sliding The flange part 41 of moving axis part 35 using along the end face 55 of axle orthogonal direction, in a manner of face contacts with bracket 15 and brake disc 2 abut around the opening of the outside in the face of opposite side pin mounting hole 21.Thus, sliding axle part 35 makes its sliding part 42 modes axially extended along brake disc from bracket 15 to the side opposite with brake disc 2 are fixed on bracket 15.Need what is illustrated It is, as described above, the axial length in cylinder portion 40 is shorter than the axial length of outside pin mounting hole 21.Therefore, utilized in flange part 41 In the state of end face 55 abuts with bracket 15, it is prominent to the side of brake disc 2 that cylinder portion 40 will not sell mounting hole 21 from outside.
As described above, the chimeric axle portion 52 that moment of torsion bears axle portion part 36 is pressed into installation from the surface side opposed with brake disc 2 The insertion section 39 of the sliding axle part 35 of the state of mounting hole 21 is sold in the outside of bracket 15.Thus, via sliding axle part 35 It is installed on bracket 15.Now, the flange part 51 that moment of torsion bears axle portion part 36 is contacted using along the end face 56 of axle orthogonal direction with face The outside in mode and the face of the side of brake disc 2 of bracket 15 sell and abutted around the opening of mounting hole 21.Thus, moment of torsion bears axle Part 36 is fixed on sliding axle in a manner of its moment of torsion receiving portion 50 is axially extended along brake disc from bracket 15 to the side of brake disc 2 Part 35.
From the foregoing, it will be observed that the press-in of axle portion part 36 is born and integrally formed dual-purpose pin 17 by sliding axle part 35 and moment of torsion Flange part 41,51 in axial both sides abuts and clips the state of bracket 15 simultaneously with bracket 15, is fixed on bracket 15.Change sentence Talk about, the flange part 41,51 from two positions of brake disc axial direction sandwich bracket 15 of dual-purpose pin 17 is not respectively as Sliding axle part 35 and moment of torsion with part bear axle portion part 36 and are formed separately.In the state of bracket 15 is fixed on, dual-purpose pin 17 possess moment of torsion receiving portion 50 across the outside of bracket 15 pin mounting hole 21 in a side, possess sliding part 42 in the opposing party, slide Portion 42 and moment of torsion receiving portion 50 are the arranged coaxials that to make mutual central shaft consistent.
It should be noted that the axial length of the chimeric axle portion 52 of setting, with cause chimeric axle portion 52 is pressed into make it is convex The bottom of the insertion section 39 of the sliding axle part 35 for the state that the end face 55 of edge 41 and bracket 15 abut very close to each otherly near When, the end face 56 of flange part 51 and bracket 15 abut very close to each otherly.It is in addition, slotting by being pressed into chimeric axle portion 52 with the magnitude of interference Enter portion 39, the external diameter for expanding the cylinder portion 40 of sliding axle part 35 is that the internal thread 23 that mounting hole 21 is sold with the outside of bracket 15 screws togather External screw thread 43 external diameter, so as to reduce or eliminate the radial clearance with internal thread 23.Thereby, it is possible to improve the outside of bracket 15 Sell the combination degree of the peripheral part in the inner peripheral portion of mounting hole 21 and the cylinder portion 40 of sliding axle part 35.
In the state of bracket 15 is fixed on as described above, as shown in figure 1, the center of dual-purpose pin 17 is matched somebody with somebody than brake disc 2 Put in radial outside.As shown in figure 4, dual-purpose pin 17, along in the state of brake disc axial direction, the side of moment of torsion receiving portion 50 of a side is horizontal Extend across the ground of brake disc 2 to the side of brake disc 2, the laterally side extension opposite with brake disc 2 of the sliding part 42 of the opposing party.Such as Fig. 1 Shown, dual-purpose pin 17 is configured in the brake disc back-out side of support 3, is configured than sliding pin 16 and is screwed out side and brake disc footpath in brake disc Laterally.As described later, the moment of torsion receiving portion 50 shown in Fig. 4 turns into the part slided for brake pad 5,6, and sliding part 42, which turns into, to be supplied The part that caliper 4 slides.
Caliper 4 is supported on support 3 using the sliding part 42 and sliding pin 16 of dual-purpose pin 17, and dish axle is braked so as to edge To slip.Caliper 4 turns into so-called pin sliding-type (ピ Application ス ラ イ De type) caliper.As shown in figure 1, caliper 4 has Braking clamp body 60, piston 61 and pad pin 62.
In the present embodiment, braking clamp body 60 passes through machining after by aluminium alloy etc. by casting integrated shaping And formed.As shown in Figure 2 and Figure 3, braking clamp body 60 can be slidably mounted to support 3 in the state of brake disc 2 The sliding part 42 and sliding pin 16 of dual-purpose pin 17 shown in Fig. 4.Braking clamp body 60 has:Configuration is in the cylinder portion in the outside of support 3 65th, the bridge part 66 that extends to inner side while the radial outside of brake disc 2 is crossed from the brake disc radial outside in cylinder portion 65, from bridge joint The end of the inner side in portion 66 is opposed to the claw 67 of the radially inner side extension to brake disc 2 with cylinder portion 65.In other words, braking Caliper 60, across the bridge part 66 that the ground of brake disc 2 configures formed with across the opposite disposed claw 67 of brake disc 2 and cylinder portion 65。
As shown in figure 1, in cylinder portion 65, the centre position circumferential from brake disc has inwardly just been protrudedly formed to brake disc footpath Sliding guide portion 70.In addition, in cylinder portion 65, side is screwed out from brake disc radial outside to brake disc and has been protrudedly formed sliding guidance Portion 71.As shown in figure 4, in sliding guide portion 70, insertion brake disc has been axially formed sliding pin support holes.In sliding guide portion 71, dual-purpose pin support holes 73 form the half-way to brake disc axial direction from the side of brake disc 2.
The chimeric cylindrical portion described later 78 for having the enclosure 13 of sliding pin support holes 72 in cylinder portion 65.Sliding guide portion 70 passes through The collar 27 of sliding pin 16 can be slidably supported on by the enclosure 13.In addition, the dual-purpose pin support holes 73 in cylinder portion 65 are chimeric There is the sliding part 42 of dual-purpose pin 17.Sliding guide portion 71 can slidably be supported on the sliding part 42.
The enclosure 12 is rubber system.The enclosure 12 covers the sliding guide portion 71 and flange part of the sliding part 42 of sliding axle part 35 Part between 41.The enclosure 12 is formed as corrugated, to stretch when sliding guide portion 71 moves relative to sliding part 42. The one end of the enclosure 12 is locked to sliding guide portion 71, and the other end is locked to the flange part 41 of sliding axle part 35.
The enclosure 13 is also rubber system.The enclosure 13 covers the collar 27 of sliding pin 16.The cylindrical portion 78 of the centre of the enclosure 13 It is entrenched in the sliding pin support holes 72 of sliding guide portion 70, the collar 27 in sliding pin 16 together with sliding guide portion 70 moves up It is dynamic.The enclosure 13 turn into cylindrical portion 78 the both sides corrugated part 79 flexible when sliding pin 16 move relative to cylindrical portion 78, 80.The one end of the enclosure 13 is locked to the peripheral part of a side of the collar 27 of sliding pin 16, and the other end is locked to collar 27 Another side peripheral part.
As shown in figure 1, in cylinder portion 65 formed with cylinder bore 85 with the end.Cylinder bore 85 is towards the side opening of claw 67 shown in Fig. 2 Ground is axially formed along brake disc.As shown in figure 1, the brake disc in cylinder portion 65 screws in side, it has been formed radially along brake disc and cylinder bore The pipe arrangement connecting hole 86 of 85 connections.The pipe arrangement connecting hole 86 is connected with braking pipe arrangement (not shown).In addition, the system in cylinder portion 65 Moving plate screws out side and is provided with the venting plug 87 for being used to be vented connected with cylinder bore 85.Piston 61 can slidably be embedded in cylinder portion 65 Cylinder bore 85.
As shown in figure 3, the side of bridge part 66 of the brake disc axial direction in cylinder portion 65 formed with brake disc radial outside to system Moving plate screws in the screw-in side protuberance 90 that side protrudes.It is also formed with braking in the side of bridge part 66 of the brake disc axial direction of claw 67 The disk radial outside screw-in side protuberance 91 prominent to brake disc screw-in side.
Pad pin 62 and the through hole axially extending along brake disc for screwing in side protuberance 90 and being formed in braking clamp body 60 92 and chimeric screwing in the through hole 93 axially extending along brake disc that side protuberance 91 formed.Pad pin 62 is in the chimerism Lower connection screws in side protuberance 90 and screws in the extension of the ground of side protuberance 91.Pad pin 62 is configured as along brake disc axial direction, The brake disc radial outside of brake disc 2 and the brake disc of bridge part 66 screw in side across brake disc 2.
As shown in Fig. 2 the brake pad 5 in the outside in brake pad 5,6 configure a face of brake disc 2 and piston 61 it Between.Brake pad 5, which has, to abut with brake disc 2 and the liner plate 95 of its generation frictional resistance and a face is adhered to the liner plate 95 simultaneously And the pressing force from piston 61 is delivered to the backboard 96 of another side.As shown in figure 3, the brake disc in backboard 96 screws in side shape Into there is through hole 97, side is screwed out formed with through hole 98 in brake disc.The insertion of moment of torsion receiving portion 50 of the dual-purpose pin 17 of support 3 is passed through Through hole 98, the pad pin 62 of caliper 4 insert through hole 97, and brake pad 5 can axially slidably be supported on these along brake disc Dual-purpose pin 17 and pad pin 62.
As shown in Fig. 2 the brake pad 6 of inner side is configured between the another side and claw 67 of brake disc 2.Brake pad 6 is relative Brake pad 5 in outside forms the symmetrical shape of minute surface.Brake pad 6, which has, to abut with brake disc 2 and produces the lining of frictional resistance Plate 100 and a face are adhered to liner plate 100 and the pressing force from claw 67 are delivered to the backboard 101 of another side.Such as Fig. 3 It is shown, side is screwed in formed with through hole 102 in the brake disc of backboard 101, and side is screwed out formed with through hole 103 in brake disc.Branch The moment of torsion receiving portion 50 of the dual-purpose pin 17 of frame 3 inserts through hole 103, and the pad pin 62 of caliper 4 inserts through hole 102, friction Block 6 can axially slidably be supported on these dual-purpose pins 17 and pad pin 62 along brake disc.Therefore, a pair of brake pads 5,6 configure On the two sides of brake disc 2.
When brake fluid imports the cylinder bore 85 in the cylinder portion 65 shown in Fig. 1 from pipe arrangement connecting hole 86, shown in Fig. 2 of caliper 4 Piston 61 relative to cylinder portion 65 to one pressed before the direction of brake disc 2 and then towards brake disc 2 in a pair of brake pads 5,6 Brake pad 5.Then, brake pad 5 contacts with a face of brake disc 2 and produces reaction force, utilizes the reaction force, caliper Sliding guide portion 70,71 shown in 4 Fig. 4 makes the sliding pin 16 of support 3 in sliding pin support holes 72 and dual-purpose pin support holes 73 Slided with the sliding part 42 of dual-purpose pin 17 and cylinder portion 65 is moved to the direction for leaving brake disc 2.Then, claw 67 makes separately One brake pad 6 contacts with the another side of brake disc 2.So, caliper 4 clamps friction using claw 67 and piston 61 from both sides Block 5,6 and brake disc 2 is pressed, so as to brake disc 2 be wheel rotation brake.
In the disk brake described in above-mentioned patent document 1, to the both sides of bracket highlightedly mounting pin on bracket, make Caliper can be slidably chimeric with the sliding part of the axial side of the pin, and in the moment of torsion receiving portion branch of the opposite side of the pin Hold brake pad.In the sliding part structure coaxial with moment of torsion receiving portion is made by this way, when pin is installed on into bracket, make The external screw thread and the internal screw-thread screw of bracket that the axial centre position of pin is formed.But make in the external screw thread and bracket of pin In the structure of threads, due to being repeatedly subjected to braking torque from brake pad etc., there is a possibility that to screw togather loose.Separately Outside, although pressing the pin into bracket, in this case, steely pin is especially being pressed into bracket of aluminium alloy etc. Not in the press-in of same material, because expansion rate is different, so heating when braking makes to be provided with pin causing temperature to rise Bracket hole internal diameter expand, so as to there is a possibility that pin relative to bracket produce relaxation.
On the other hand, first embodiment in accordance with the above, the sliding axle part 35 and tool with sliding part 42 are made The moment of torsion for having moment of torsion receiving portion 50 bears the outer of a side i.e. external screw thread 43 of sliding axle part 35 in axle portion part 36 and bracket 15 The internal thread 23 of side pin mounting hole 21 screws togather, and the chimeric axle portion 52 that the moment of torsion of the opposing party is born to axle portion part 36 is pressed into the cunning The insertion section 39 of moving axis part 35 and make its integration.Therefore, even if dual-purpose pin 17 is repeatedly subjected to the braking from brake pad 5,6 Moment of torsion, make due to bearing axle portion part 36 in the inside press-in sliding axle part 35 and moment of torsion of the outside of bracket 15 pin mounting hole 21 Its integration, dual-purpose pin 17 and bracket 15 diametrically fixed, thus relative to the dual-purpose pin 17 of bracket 15 produce relaxation can Energy property diminishes, and can suppress to improve both combination degrees relative to the relaxation or loosening of the dual-purpose pin 17 of bracket 15.Therefore, The raising of the reliability of disk brake 1 can be realized.
In addition, make sliding axle part 35 using press-in and moment of torsion bear axle portion part 36 it is integrated when, turn into using sliding Moving axis part 35 and moment of torsion bear the respective flange part 41 of axle portion part 36 and flange part 51 is clamped in the axial direction of dual-purpose pin 17 The structure of bracket 15.Therefore, dual-purpose pin 17 is fixed relative to bracket 15 in the axial direction of dual-purpose pin 17, so dual-purpose pin 17 is relative The possibility that relaxation is produced in bracket 15 diminishes, and can suppress the relaxation or loosening of the dual-purpose pin 17 relative to bracket 15.Therefore, The raising of the reliability of disk brake 1 can be realized.
In addition, it can be risen in the structure for clipping bracket 15 in the axial direction of dual-purpose pin 17 using flange part 41 and flange part 51 To following effect:In the case where the bracket 15 of aluminium alloy combines with steely dual-purpose pin 17, though because braking when hair Thermal conductivity causes temperature to rise, and bracket 15 is to the axial thermal expansion of dual-purpose pin 17, thermal expansion pressing flange part 41 and flange part 51.Cause This, the possibility for producing relaxation in dual-purpose pin 17 relative to bracket 15 diminishes, and can suppress dual-purpose pin 17 relative to bracket 15 Relaxation loosens.Therefore, it is possible to realize the raising of the reliability of disk brake 1.
In addition, moment of torsion, which bears axle portion part 36, has the moment of torsion receiving portion 50 slided for brake pad 5,6, sliding axle part 35 has There is the sliding part 42 slided for caliper 4.Therefore, even if moment of torsion receiving portion 50 and sliding part 42 are arranged on as different parts Moment of torsion bear on axle portion part 36 and sliding axle part 35, these parts can be also configured to linearly, disc type can be realized The densification of brake.
" second embodiment "
Then, Fig. 5 is based primarily upon, is said centered on the part different from first embodiment by second embodiment It is bright.It should be noted that pair position common with first embodiment, is represented with same address, same reference.
In the disk brake 1A of second embodiment, using with local not with the dual-purpose pin 17 of first embodiment Same dual-purpose pin (pin) the 17A and support 3A with first embodiment identical bracket 15.The dual-purpose pin 17A of second embodiment From selling sliding axle part from mounting hole 21 to the axially external extension of brake disc (second component, another portion from the outside of bracket 15 Part) 35A and moment of torsion from the outside of bracket 15 pin mounting hole 21 to brake disc axially inner side that extend from bear axle portion part (first Part, a part) the different parts of 36A two form.
Sliding axle part 35A is also made up of steel.Sliding axle part 35A has successively from one end of axial direction:It is columned Chimeric axle portion 52A, external diameter are than chimeric axle portion 52A greatly and with first embodiment identical flange part 41, external diameter than chimeric axle portion 52A it is big and with first embodiment identical sliding part 42.In other words, formed in sliding axle part 35A axial pars intermedia There is the flange part 41 that chimeric axle portion 52A and sliding part 42 than axial both sides extend outward to footpath.Chimeric axle portion 52A, flange Portion 41, sliding part 42 are the arranged coaxials for making all centers consistent.
Moment of torsion bears axle portion part 36A and is also made up of steel.Moment of torsion bears axle portion part 36A to be had successively from one end of axial direction: Have with first embodiment identical moment of torsion receiving portion 50, with first embodiment identical flange part 51, in radial direction center Inner peripheral surface is the cylindrical shape poroid insertion section 39A and external diameter of barrel surface smaller than flange part 51 and bigger than moment of torsion receiving portion 50 Cylinder portion 40A.In other words, moment of torsion of the axial pars intermedia formed with than axial both sides for axle portion part 36A being born in moment of torsion is born The flange part 51 that portion 50 and cylinder portion 40A extend outward to footpath.Cylinder portion 40A insertion section 39A is to allow to slide as described later The part of axle portion part 35A press-ins.Insertion section 39A is to an axial side opening opposite with moment of torsion receiving portion 50, with cylinder portion 40A's In the range of depth and formed.The axial length that cylinder portion 40A axial length sells mounting hole 21 than the outside of bracket 15 is short.Cylinder portion 40A insertion section 39A axial length be with sliding axle part 35A chimeric axle portion 52A axial length it is equal or on an equal basis with On length.In cylinder portion, 40A peripheral part is formed with external screw thread 43A.Sliding axle part 35A chimeric axle portion 52A is as described later Ground is embedded in insertion section 39A in an interference fit.Therefore, external diameter small mistake of the insertion section 39A internal diameter than chimeric axle portion 52A It is full of the amount taken measurements.Cylinder portion 40A, flange part 51 and moment of torsion receiving portion 50 are the arranged coaxials for making all centers consistent.
Moment of torsion, which bears axle portion part 36A, to be made a portion 40A peripheral part be abutted with the inner peripheral portion of outside pin mounting hole 21 and installs In bracket 15.Specifically, the external screw thread 43A of cylinder portion 40A peripheral part sells mounting hole from the side of brake disc 2 and the outside of bracket 15 The internal thread 23 of 21 inner peripheral portion screws togather.Moment of torsion, which bears to be screwed as axle portion part 36A utilizations, is installed on bracket 15.This When, moment of torsion bears axle portion part 36A flange part 51 using along the end face 56 of axle orthogonal direction, in a manner of face contacts with bracket 15 The side of brake disc 2 face outside pin mounting hole 21 around abut.In this case, flange part 51 using end face 56 with In the state of bracket 15 abuts, it is prominent to the side opposite with brake disc 2 that cylinder portion 40A will not sell mounting hole 21 from outside.
As described above, chimeric axle portion 52A sells installation from the side press-in opposite with brake disc 2 installed in the outside of bracket 15 The moment of torsion of the state in hole 21 bears axle portion part 36A insertion section 39A.Thus, sliding axle part 35A bears axle portion part via moment of torsion 36A is installed on bracket 15.Now, sliding axle part 35A flange part 41 is contacted using along the end face 55 of axle orthogonal direction with face Mode and the face of the side opposite with brake disc 2 of bracket 15 outside pin mounting hole 21 around abut.In addition, by with Chimeric axle portion 52A is pressed into insertion section 39A by certain magnitude of interference, expands the external screw thread that moment of torsion bears axle portion part 36A cylinder portion 40A 43A external diameter.
From the foregoing, it will be observed that axle portion part 36A press-in is born and the dual-purpose pin of integration by sliding axle part 35A and moment of torsion 17A identically with the dual-purpose pin 17 of first embodiment so that the flange part 41,51 of axial both sides and bracket 15 abut simultaneously and The state for clipping bracket 15 is fixed on bracket 15.In the state of bracket 15 is fixed on by this way, with first embodiment In the same manner, dual-purpose pin 17A sliding part 42 is embedded in the dual-purpose pin support holes 73 of caliper 4, the insertion friction of moment of torsion receiving portion 50 The through hole 98,103 of block 5,6.
" the 3rd embodiment "
Then, said centered on part different from first embodiment based on Fig. 6 pairs based on the 3rd embodiment It is bright.It should be noted that for the position common with first embodiment, represented with same address, same reference.
In the disk brake 1B of the 3rd embodiment, using with the bracket 15 and dual-purpose pin with first embodiment 17 local different bracket 15B and dual-purpose pin (pin) 17B support 3B.The 3rd embodiment bracket 15B formed with inner circumferential Sell mounting hole (hole) 21B in the outside as cylinder planar that portion does not form internal thread.The dual-purpose pin 17B of 3rd embodiment has Sliding axle part (second component, a part) 35B different from first embodiment and turned round with first embodiment identical Square bears axle portion part 36.
The sliding axle part 35B of 3rd embodiment is also made up of steel, has successively from one end of axial direction:Cylinder portion 40B, With first embodiment identical flange part 41 and first embodiment identical sliding part 42.The 40B radial direction center in cylinder portion Formed with first embodiment identical insertion section 39.Cylinder portion 40B, flange part 41 and sliding part 42 are to make all centers consistent Arranged coaxial.Cylinder portion 40B does not form externally threaded cylinder planar as peripheral part.The peripheral part is matched somebody with somebody with interference as described later The mode of conjunction is chimeric with bracket 15B outside pin mounting hole 21B inner peripheral portion.Therefore, cylinder portion 40B external diameter ratio outside pin installation The amount that the hole 21B big interference of internal diameter is taken measurements.
Sliding axle part 35B abuts a portion 40B peripheral part and bracket 15B outside pin mounting hole 21B inner peripheral portion And it is installed on bracket 15B.Specifically, by the way that cylinder portion 40B peripheral part is sold from the side press-in outside opposite with brake disc 2 Mounting hole 21B inner peripheral portion, sliding axle part 35B is installed on bracket 15B.Now, flange part 41 is utilized along axle orthogonal direction End face 55, sell mounting hole 21B's with the outside in the face of the bracket 15B side opposite with brake disc 2 in a manner of face contacts Surrounding abuts.That is, sliding axle part 35B cylinder portion 40B peripheral part is with bracket 15B outside pin mounting hole 21B's The abutting of inner peripheral portion is by the way that cylinder portion 40B peripheral part press-in outside pin mounting hole 21B inner peripheral portion is carried out.Need Bright, the axial length of cylinder portion 40B axial length also than outside pin mounting hole 21B is short.
Then, identically with first embodiment, moment of torsion is born into axle portion part 36 in chimeric axle portion 52 from the side pressure of brake disc 2 Enter above-mentioned sliding axle part 35B insertion section 39.Now, flange part 51 is contacted using along the end face 56 of axle orthogonal direction with face Mode and the face of the bracket 15B side of brake disc 2 outside pin mounting hole 21B around abut.So, by with certain mistake Chimeric axle portion 52 is pressed into insertion section 39 by the amount of being full of, sliding axle part 35B cylinder portion 40B external diameter, i.e., press-in bracket 15B it is outer Side pin mounting hole 21B cylinder portion 40B external diameter becomes big and expands the magnitude of interference with outside pin mounting hole 21B.Thereby, it is possible to improve Bracket 15B outside pin mounting hole 21B inner peripheral portion and the combination degree of sliding axle part 35B cylinder portion 40B peripheral part.
From the foregoing, it will be observed that the press-in of axle portion part 36 is born and the dual-purpose pin 17B of integration by sliding axle part 35B and moment of torsion Identically with the dual-purpose pin 17 of first embodiment, abutted and clipped simultaneously with bracket 15B with the flange part 41,51 of axial both sides Bracket 15B state is fixed on bracket 15.It is identical with first embodiment in the state of bracket 15 is fixed on by this way Ground, dual-purpose pin 17B sliding part 42 is chimeric with the dual-purpose pin support holes 73 of caliper 4, and moment of torsion receiving portion 50 inserts brake pad 5,6 Through hole 98,103.
The 3rd embodiment in accordance with the above, sliding axle part 35B cylinder portion 40B peripheral part is pressed into bracket 15B outside pin mounting hole 21B inner peripheral portion.Therefore, there is no need to bracket 15B outside pin mounting hole 21B inner peripheral portion and Sliding axle part 35B cylinder portion 40B peripheral part implements screw thread process, can reduce processing cost.
It should be noted that, although not illustrating, but the 3rd embodiment can be applicable in this second embodiment. That is, it is possible to which the inner peripheral portion for making the outside pin mounting hole 21 of the bracket 15 of second embodiment is cylinder planar, hold moment of torsion Peripheral part by axle portion part 36A cylinder portion 40A is cylinder planar, is pressed into certain magnitude of interference.
" the 4th embodiment "
Then, based on the 4th embodiment based on entering centered on Fig. 7 pairs of part different from the first, the 3rd embodiment Row explanation.It should be noted that for the position common with the first, the 3rd embodiment, with same address, same reference Represent.
In the disk brake 1C of the 4th embodiment, identically with the 3rd embodiment, there is bracket 15B, the support Frame 15B formed with do not formed internal thread as cylinder planar outside sell mounting hole 21B, using with the 3rd embodiment Local different dual-purpose pin (pin) 17C of dual-purpose pin 17B support 3C.
The dual-purpose pin 17C of 4th embodiment from from the outside of bracket 15 sell mounting hole 21B to brake disc it is axially external and Pin member (second component, another part) 36C of the both direction extension of inner side and cartridge (first component, a portion Part) the different parts of 35C two form.
Pin member 36C is also made up of steel.Pin member 36C has successively from one end of axial direction:With first embodiment phase With moment of torsion receiving portion 50, smaller than moment of torsion receiving portion 50 and flange part 51 with first embodiment identical flange part 51, external diameter Columned chimeric axle portion 52C, external diameter it is smaller than chimeric axle portion 52C and with first embodiment identical sliding part 42.Change sentence Talk about, pin member 36C axial direction side formed with moment of torsion receiving portion 50, and axial direction opposite side formed with chimeric axle portion 52C and sliding part 42, in axial pars intermedia formed with the flange part 51 extended outward to footpath than them.Moment of torsion receiving portion 50th, flange part 51, chimeric axle portion 52C, sliding part 42 are the arranged coaxials for making all centers consistent.
Cartridge 35C is also made up of steel.Cartridge 35C have with first embodiment identical flange part 41, Axially extended from flange part 41 and there is cylindrical shape of the inner peripheral surface for the poroid insertion section 39C of barrel surface in radially center Cylinder portion 40C.Insertion section 39C is the part for allowing pin member 36C to be pressed into as described later, penetrates cartridge 35C vertically Ground formed and axial direction both-side opening.The cylinder portion 40C extended from flange part 41 axial length sells peace than the outside of bracket 15 The axial length for filling hole 21B is short.The axial length of insertion section 39C axial length and pin member 36C chimeric axle portion 52C is same Deng.Cylinder portion 40C, flange part 41 are the arranged coaxials for making all centers consistent.
Cylinder portion 40C does not form externally threaded cylinder planar as peripheral part.The peripheral part is as described later to be interference fitted Mode and bracket 15B outside pin mounting hole 21B inner peripheral portion it is chimeric.Therefore, cylinder portion 40C external diameter ratio outside pin mounting hole The amount that the 21B big interference of internal diameter is taken measurements.
Cartridge 35C make a portion 40C peripheral part and bracket 15B outside pin mounting hole 21B inner peripheral portion abut and It is installed on bracket 15B.Specifically, sold by making a portion 40C on the outside of its peripheral part is pressed into from the side opposite with brake disc 2 Mounting hole 21B inner peripheral portion, cartridge 35C is installed on bracket 15B.Now, flange part 41 is utilized along axle orthogonal direction End face 55, mounting hole 21B week is sold with the outside in the face of the bracket 15B side opposite with brake disc 2 in a manner of face contacts Enclose abutting.That is, the inner circumferential of cartridge 35C cylinder portion 40C peripheral part and bracket 15B outside pin mounting hole 21B The abutting in portion is to be sold by the way that cartridge 35C cylinder portion 40C peripheral part to be pressed into bracket 15B outside in mounting hole 21B All portions and carry out.
Then, pin member 36C is entered to above-mentioned cartridge 35C insertion section in chimeric axle portion 52C from the side pressure of brake disc 2 39C.Now, the flange part 51 that the rear side in the direction inserted to insertion section 39C is formed is utilized along the end face 56 of axle orthogonal direction, Abutted in a manner of face contacts with around the outside pin mounting hole 21B in the face of the bracket 15B side of brake disc 2.So, by with Certain magnitude of interference by chimeric axle portion 52C be pressed into insertion section 39C, cartridge 35C cylinder portion 40C external diameter, i.e., be pressed into bracket 15B outside pin mounting hole 21B cylinder portion 40C external diameter becomes big and expands the magnitude of interference with outside pin mounting hole 21B.
It is from the foregoing, it will be observed that real and the dual-purpose pin 17C of integration and first by cartridge 35C and pin member 36C press-in The dual-purpose pin 17 for applying mode in the same manner, is abutted and clips bracket 15B simultaneously with the flange part 41,51 of axial both sides with bracket 15B State be fixed on bracket 15B.In the state of bracket 15B is fixed on by this way, identically with first embodiment, two The dual-purpose pin support holes 73 of caliper 4 are embedded in pin 17C sliding part 42, moment of torsion receiving portion 50 inserts passing through for brake pad 5,6 Through hole 98,103.
The 4th embodiment in accordance with the above, dual-purpose pin 17C have side formed with moment of torsion receiving portion 50 and another Pin member 36C of the side formed with sliding part 42, therefore moment of torsion receiving portion 50 and the machining accuracy of sliding part 42 can be improved.
" the 5th embodiment "
Then, based on the 5th embodiment based on Fig. 8~Figure 12 using the part different from the first, the 3rd embodiment as Center illustrates.It should be noted that for the position common with the first, the 3rd embodiment, with same address, same attached Icon note represents.
In the disk brake 1D of the 5th embodiment, as shown in figure 8, using with the bracket with the 3rd embodiment The local different bracket 15D and with local different dual-purpose pin (pin) 17D of the dual-purpose pin 17B from the 3rd embodiment of 15B Support 3D.It is local not using the sliding axle part 35B with the 3rd embodiment in the dual-purpose pin 17D of the 5th embodiment With sliding axle part (second component, a part) 35D and bear axle portion part with the first, the 3rd embodiment identical moment of torsion 36。
As shown in figure 9, the sliding axle part 35B of the sliding axle part 35D of the 5th embodiment in the 3rd embodiment Flange part 41 has the flange part 41D of the structure of the convex portion 110D formed with annular shape.Specifically, in sliding axle part 35D, Flange part 41D the end face 55D opposite with sliding part 42 formed with convex portion 110D.In addition, sliding axle part 35D is real the 3rd Applying the sliding axle part 35B of mode cylinder portion 40B peripheral part has the cylinder portion of structure of the recess 111D formed with annular shape 40D.Specifically, in sliding axle part 35D, the axial and flange part 41D close proximity shapes of 40D peripheral part in cylinder portion Into there is recess 111D.Herein, refer to flange part 41D close proximity, bracket 15D material use is by metal stream described later Plastic Flow caused by dynamic and the position that can be flowed into.Cylinder portion 40D, flange part 41D, sliding part 42, convex portion 110D and recess 111D is the arranged coaxial for making all centers consistent.
As shown in Figure 10 A, Figure 10 B, Figure 11 A~Figure 11 C, axle portion part 36 is born to above-mentioned sliding axle part 35D and moment of torsion Installation to bracket 15B illustrates.As shown in Figure 10 A to Figure 10 B, make sliding axle part 35D cylinder portion 40D in its peripheral part Bracket 15B outside pin mounting hole 21B inner peripheral portion is entrenched in a manner of gap coordinates.As shown in Figure 10 B, until sliding axle It is chimeric that this is all carried out before part 35D convex portion 110D and bracket 15B abutting, afterwards, in this condition, by sliding axle part 35D flange part 41D presses to bracket 15B.Then, as shown in Figure 11 A, annular shape is formed in flange part 41D convex portion 110D Chimeric recess 112D and produce Plastic Flow, so-called metal flow, bracket 15D material flows into cylinder portion 40D recess 111D.Thus, formed the 5th embodiment bracket 15D, bracket 15D formed with annular shape fitting projection 113D, with The press-in of 3rd embodiment is compared, and sliding axle part 35D firmly fixes relative to bracket 15D.
That is, the peripheral part in sliding axle part 35D cylinder portion 40D is provided with recess 111D, it is provided with flange part 41D The convex portion 110D abutted with bracket 15D.Accordingly, with respect to the bracket 15B of the 3rd embodiment, the bracket of the 5th embodiment 15D replaces outside pin mounting hole 21B's in outside pin mounting hole (hole) 21D with the structure formed with fitting projection 113D Aspect, and around the pin mounting hole 21D of outside formed with chimeric recess 112D in terms of it is different.
In the state of bracket 15D is installed on as described above, sliding axle part 35D flange part 41D is utilized along axle just The end face 55D in direction is handed over, sells mounting hole with bracket 15D and the outside in the face of the opposite side of brake disc 2 in a manner of face contacts Abutted around 21D.
Then, as shown in Figure 11 B to Figure 11 C, identically with first embodiment, moment of torsion bears axle portion part 36 in chimeric axle Portion 52 is pressed into above-mentioned sliding axle part 35D insertion section 39.Now, flange part 51 is utilized along the end face 56 of axle orthogonal direction, with The mode of face contact around the outside pin mounting hole 21D in the face of the bracket 15D side of brake disc 2 with abutting.So, by with one Chimeric axle portion 52 is pressed into insertion section 39 by the fixed magnitude of interference, and sliding axle part 35D cylinder portion 40D external diameter is pressed into bracket 15D Outside pin mounting hole 21D cylinder portion 40D external diameter become big and expand the magnitude of interference with outside pin mounting hole 21D.
From the foregoing, it will be observed that the press-in of axle portion part 36 is born and the dual-purpose pin 17D of integration by sliding axle part 35D and moment of torsion Identically with the dual-purpose pin 17 of first embodiment, abutted and pressed from both sides simultaneously with the flange part 41D of axial both sides, 51 and bracket 15D The state for bracket 15D is fixed on bracket 15D.In the state of dual-purpose pin 17D is fixed on bracket 15D by this way, such as Fig. 8 Shown, sliding part 42 is chimeric with the dual-purpose pin support holes 73 of caliper 4, and moment of torsion receiving portion 50 inserts the through hole of brake pad 5,6 98、103。
The 5th embodiment in accordance with the above, make sliding axle part 35D flange part 41D convex portion 110D with Bracket 15D rivet (adding Parties め) and formed chimeric recess 112D mode enter it is fashionable, bracket 15D material due to formed it is chimeric Metal flow caused by recess 112D and flow into the recess 111D of sliding axle part 35D cylinder portion 40D peripheral part and formed Fitting projection 113D.It therefore, there is no need to the cylinder of the inner peripheral portion and sliding axle part 35D in bracket 15D outside pin mounting hole 21D Portion 40D peripheral part implements screw thread process, can reduce processing cost.In addition, the situation with sliding axle part to be pressed into bracket Compare, sliding axle part can be fixed on bracket securely.
It should be noted that as shown in figure 12, in the 5th embodiment, the sliding axle part of following structure can be used 35D’:Flange part with the convex portion 110D ' that the multiple semi-spherical shapes for being intermittently configured to annular shape are formed in end face 55D ' 41D ' replaces the flange part 41 of the circular convex portion 110D formed with sliding axle part 35D, has to be formed and intermittently configures The recess 111D of annular shape cylinder portion 40D ' is replaced into the recess 111D ' of multiple semi-spherical shapes of annular shape.In such case Under, similarly convex portion 110D ' is riveted and enters bracket 15D, enters a bracket 15D part using the metal flow Enter recess 111D '.
In addition, though not illustrating, but can be applicable the 3rd embodiment suitable for second embodiment Five embodiments.I.e. it is capable to the inner peripheral portion for making the outside pin mounting hole 21 of the bracket 15 of second embodiment is cylinder Planar, it is cylinder planar moment of torsion is born axle portion part 36A cylinder portion 40A peripheral part, and axle portion part 36A flange is born in moment of torsion The end face 56 in portion 51 forms the convex portion 110D of annular shape, and in cylinder portion, 40A peripheral part forms the recess 111D of annular shape, or is turning round Square bears multiple convex portion 110D ' of the formation of end face 56 semi-spherical shape of axle portion part 36A flange part 51, in cylinder portion 40A periphery Portion forms multiple recess 111D ' of semi-spherical shape.
Above-mentioned first~the 5th embodiment is characterised by having:It is fixed on the support in the non-rotating portion of vehicle;Can Slidably it is supported on the support and configures a pair of brake pads on the two sides of brake disc;With press a pair of brake pads in The piston of one brake pad and the caliper that can be slidably supported on the support, the support have formed with along brake disc Axially through hole and be fixed on the non-rotating portion of vehicle bracket, from the hole along the axially extending of brake disc and it is fixed Pin, the pin clip the hole and possess the moment of torsion receiving portion slided for the brake pad in side, possess in opposite side for the system The sliding part that dynamic pincers slide.In disk brake, the pin different parts as first component and second component are formed, The first component and the second component be respectively formed with abutted with around the opening in the hole of the bracket along footpath To the flange part of extension, a part in the first component and the second component is formed with another portion of permission The cylinder portion of the insertion section of part press-in, in the peripheral part for making the cartridge of one part and the hole of the bracket Another described part is pressed into the insertion section of one part by all portions in the state of abutting, utilizing described first In the state of part and the respective flange part of the second component clamp the bracket, the first component and the second component are consolidated Due to the bracket.Thus, the insertion section of a part in another part press-in first component and second component is made Its integration, and bracket is clamped using first component and the respective flange part of second component, therefore first component can be suppressed And second component is relative to the relaxation of bracket.Therefore, it is possible to provide the disk brake for realizing that reliability improves.
First~the three, the 5th embodiments are characterised by that the first component has the moment of torsion receiving portion, described Second component has the sliding part, therefore on the different parts also can be by it even if moment of torsion receiving portion and sliding part are set It is configured to linearly, to realize the densification of disk brake.
Three, the 4th embodiments are characterised by, by the way that the peripheral part of the cartridge of one part is pressed into The inner peripheral portion in the hole of the bracket, improve the inner peripheral portion and the cartridge of one part in the hole of the bracket Peripheral part combination degree, therefore processing cost can be reduced.
4th embodiment is characterised by that the first component is cartridge, is had:The flange part;The cylinder Portion, it, which has, axially extends from the flange part and inserts the inner peripheral portion in the hole of the bracket and allow the second component The insertion section of press-in.The second component is pin member, and it forms moment of torsion receiving portion in side, and cunning is formed in the opposing party side Dynamic portion, the direction inserted to the insertion section rear side formed with the flange part, therefore processing cost can be reduced.
5th embodiment is characterised by that the peripheral part in the cylinder portion of one part approaches the flange of axial direction The position in portion is provided with recess, the convex portion abutted with the bracket is provided with the flange part of one part, therefore inciting somebody to action When the convex portion riveting of the flange part of one part enters bracket, bracket enters the peripheral part of a part due to metal flow. Therefore, it is possible to reduce processing cost.
Industrial applicibility
According to above-mentioned disk brake, the raising of the reliability of disk brake can be realized.
Description of reference numerals
1st, 1A~1D disk brakes
2 brake discs
3rd, 3A~3D supports
4 calipers
5th, 6 brake pad
15th, 15B, 15D bracket
The dual-purpose pins of 17,17A~17D (pin)
21st, pin mounting hole (hole) on the outside of 21B, 21D
35th, 35B, 35D sliding axle part (second component, a part)
35A sliding axles part (second component, another part)
35C cartridges (first component, a part)
36 moments of torsion bear axle portion part (first component, another part)
36A moments of torsion bear axle portion part (first component, a part)
36C pin members (second component, another part)
39th, 39C insertion sections
40th, 40A~40D, 40D ' cylinders portion
41st, 41D, 41D ', 51 flange parts
42 sliding parts
50 moment of torsion receiving portions
61 pistons
110D convex portions
111D recesses.

Claims (10)

1. a kind of disk brake, it is characterised in that have:
It is fixed on the support in the non-rotating portion of vehicle;
The support can be slidably supported on and configure a pair of brake pads on the two sides of brake disc;
The braking of the support can be supported on the piston for pressing a brake pad in a pair of brake pads and slidably Pincers,
The support has:
Formed with along brake disc axially through hole and be fixed on the bracket in the non-rotating portion of vehicle;
From the hole along the axially extending of brake disc and fixed pin,
The pin clips the hole and possesses the moment of torsion receiving portion slided for the brake pad in side, possesses in opposite side for the system The sliding part that dynamic pincers slide,
The pin different parts as first component and second component are formed,
It is respectively formed with what is abutted with around the opening in the hole of the bracket in the first component and the second component The flange part radially extended,
Formed with cylinder portion, cartridge has and allows another part in the first component and the second component The insertion section of part press-in,
In the state of the peripheral part of the cartridge of one part abuts with the inner peripheral portion in the hole of the bracket, lead to The described of inner peripheral surface for crossing the radial direction for the being formed at cartridge center for making another described part be pressed into one part inserts Enter portion, the peripheral part of cartridge bears the power from another described part to radial outside, improve the peripheral part in this tin portion with The combination degree of the bracket, the bracket is being clamped using the first component and the respective flange part of the second component Under state, the first component and the second component are fixed on the bracket.
2. disk brake according to claim 1, it is characterised in that
The first component has the moment of torsion receiving portion, and the second component has the sliding part.
3. disk brake according to claim 2, it is characterised in that
By the inner peripheral portion in the hole that the peripheral part of the cartridge of one part is pressed into the bracket, described in raising The inner peripheral portion in the hole of bracket and the combination degree of the peripheral part of the cartridge of one part.
4. disk brake according to claim 3, it is characterised in that
The first component is cartridge, is had:The flange part;Cartridge, it has prolongs vertically from the flange part The insertion section for stretching and inserting the inner peripheral portion in the hole of the bracket and allowing the second component to be pressed into,
The second component is pin member, its in side formed with moment of torsion receiving portion, in opposite side formed with sliding part, to institute The rear side in the direction of insertion section insertion is stated formed with the flange part.
5. disk brake according to claim 4, it is characterised in that
Recess is provided with the flange part close proximity in the axial direction of the peripheral part in the cylinder portion of one part, described one The flange part of individual part is provided with the convex portion abutted with the bracket.
6. disk brake according to claim 1, it is characterised in that
By the inner peripheral portion in the hole that the peripheral part of the cartridge of one part is pressed into the bracket, described in raising The inner peripheral portion in the hole of bracket and the combination degree of the peripheral part of the cartridge of one part.
7. disk brake according to claim 6, it is characterised in that
The first component is cartridge, is had:The flange part;Cartridge, it has prolongs vertically from the flange part The insertion section for stretching and inserting the inner peripheral portion in the hole of the bracket and allowing the second component to be pressed into,
The second component is pin member, its in side formed with moment of torsion receiving portion, in opposite side formed with sliding part, to institute The rear side in the direction of insertion section insertion is stated formed with the flange part.
8. disk brake according to claim 6, it is characterised in that
Recess is provided with the flange part close proximity in the axial direction of the peripheral part in the cylinder portion of one part, described one The flange part of individual part is provided with the convex portion abutted with the bracket.
9. disk brake according to claim 1, it is characterised in that
The first component is cartridge, is had:The flange part;Cartridge, it has prolongs vertically from the flange part The insertion section for stretching and inserting the inner peripheral portion in the hole of the bracket and allowing the second component to be pressed into,
The second component is pin member, its in side formed with moment of torsion receiving portion, in opposite side formed with sliding part, to institute The rear side in the direction of insertion section insertion is stated formed with the flange part.
10. disk brake according to claim 1, it is characterised in that
Recess is provided with the flange part close proximity in the axial direction of the peripheral part in the cylinder portion of one part, described one The flange part of individual part is provided with the convex portion abutted with the bracket.
CN201380017354.0A 2012-07-31 2013-03-27 Disk brake Expired - Fee Related CN104246271B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012-170478 2012-07-31
JP2012170478 2012-07-31
PCT/JP2013/058973 WO2014020941A1 (en) 2012-07-31 2013-03-27 Disc brake

Publications (2)

Publication Number Publication Date
CN104246271A CN104246271A (en) 2014-12-24
CN104246271B true CN104246271B (en) 2017-12-08

Family

ID=50027638

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380017354.0A Expired - Fee Related CN104246271B (en) 2012-07-31 2013-03-27 Disk brake

Country Status (3)

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JP (1) JP5914662B2 (en)
CN (1) CN104246271B (en)
WO (1) WO2014020941A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017076529A1 (en) * 2015-11-05 2017-05-11 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Disk brake for a utility vehicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4350229A (en) * 1979-10-20 1982-09-21 Tokico Ltd. Disc brake having a slidably supported caliper
CN1414261A (en) * 2001-10-22 2003-04-30 日信工业株式会社 Disc brake for motor vehicle with brake level handle

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55142126A (en) * 1979-04-20 1980-11-06 Tokico Ltd Disc brake
JPS57139741U (en) * 1981-02-26 1982-09-01
JPS6314029U (en) * 1986-07-11 1988-01-29
JPH11108086A (en) * 1997-10-07 1999-04-20 Nissin Kogyo Kk Disk brake for vehicle
JP2004132449A (en) * 2002-10-10 2004-04-30 Nissin Kogyo Co Ltd Disk brake for vehicles

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4350229A (en) * 1979-10-20 1982-09-21 Tokico Ltd. Disc brake having a slidably supported caliper
CN1414261A (en) * 2001-10-22 2003-04-30 日信工业株式会社 Disc brake for motor vehicle with brake level handle

Also Published As

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WO2014020941A1 (en) 2014-02-06
CN104246271A (en) 2014-12-24
JPWO2014020941A1 (en) 2016-07-21
JP5914662B2 (en) 2016-05-11

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Granted publication date: 20171208