CN104246271A - Disc brake - Google Patents

Disc brake Download PDF

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Publication number
CN104246271A
CN104246271A CN201380017354.0A CN201380017354A CN104246271A CN 104246271 A CN104246271 A CN 104246271A CN 201380017354 A CN201380017354 A CN 201380017354A CN 104246271 A CN104246271 A CN 104246271A
Authority
CN
China
Prior art keywords
bracket
parts
component
pin
brake disc
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.)
Granted
Application number
CN201380017354.0A
Other languages
Chinese (zh)
Other versions
CN104246271B (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

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes 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
    • F16D55/22—Brakes 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
    • F16D55/224—Brakes 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
    • F16D55/225—Brakes 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
    • F16D55/226—Brakes 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
    • F16D55/2265—Brakes 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
    • F16D55/22655—Constructional details of guide pins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes 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
    • F16D55/22—Brakes 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
    • F16D55/224—Brakes 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
    • F16D55/225—Brakes 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
    • F16D55/226—Brakes 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
    • F16D55/2265—Brakes 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes 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
    • F16D55/22—Brakes 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
    • F16D55/224—Brakes 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
    • F16D55/225—Brakes 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
    • F16D55/226—Brakes 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
    • F16D55/2265—Brakes 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
    • F16D55/227—Brakes 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof

Landscapes

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

Abstract

The present invention is configured so that, in a state where the outer periphery of a tube of one of a first member and a second member that constitute a pin is brought into contact with the inner periphery of a bracket hole, one member of the first member and the second member is press fitted into an insertion part of the other member, and that in a state where a bracket is being sandwiched by a flange of the first member and a flange of the second member, the first member and the second member are fixed to the bracket.

Description

Disk type braker
Technical field
The present invention relates to a kind of disk type braker for carrying out car brakeing.
The application advocates the preference of applying in No. 2012-170478th, the Patent that Japan submits to based on July 31st, 2012, and here cites its content.
Background technique
In the disk type braker for carrying out the car brakeing such as cart or four-wheel wagon, existing and making the pin being formed with moment of torsion receiving portion and slide part be screwed on the structure (for example, referring to patent documentation 1) of bracket.
Prior art document
Patent documentation
Patent documentation 1:(Japan) open clear 57-139741 publication in fact
Summary of the invention
Invent technical problem to be solved
There is the possibility producing and relax in above-mentioned pin, from the leeway that the viewpoint improving reliability is improved relative to bracket.
The invention provides a kind of disk type braker that can realize the raising of reliability.
For the technological scheme of technical solution problem
According to the first form of the present invention, disk type braker has: the support being fixed on the non-rotating portion of vehicle; This support can be supported on slidably and be configured in a pair brake pad on the two sides of brake disc; There is the piston of a brake pad in this pair brake pad of pressing and the brake calipers of described support can be supported on slidably.Described support has: be formed with the bracket being fixed on the non-rotating portion of vehicle along the axial through hole of brake disc; Extend and fixing pin from described hole along the axis of brake disc.This pin clips described hole and possesses the moment of torsion receiving portion of sliding for described brake pad in side, possesses the slide part slided for described brake calipers at opposite side.Described pin is made up of first component and the such different parts of second component, is formed with the lip part radially extended abutted with the around openings in the described hole of described bracket at described first component and described second component respectively.Parts in described first component and described second component are formed with a portion, and described cylinder portion has the insertion part allowing the press-in of another parts.Under the state making the peripheral part in the cylinder portion of in first component and second component parts abut with the inner peripheral portion in the hole of described bracket, by the insertion part of the described parts of another parts press-in in described first component and second component, under the state utilizing described first component and described second component lip part separately to clamp described bracket, described first component and described second component are fixed on described bracket.
Described first component can have described moment of torsion receiving portion, and described second component can have described slide part.
Be pressed into the inner peripheral portion in the described hole of described bracket by the peripheral part in the described cylinder portion by described parts, improve the combination degree of the peripheral part in the inner peripheral portion in the described hole of described bracket and the described cylinder portion of described parts.
According to the second form of the present invention, described first component is cartridge, has: described lip part; Described cylinder portion, it has and to extend vertically from this lip part and to insert the inner peripheral portion in the described hole of described bracket and the described insertion part allowing described second component to be pressed into.Described second component is pin parts, and it is formed with moment of torsion receiving portion in side, is formed with slide part at opposite side, is formed with described lip part at the rear side in the direction of inserting to described insertion part.
According to the 3rd form of the present invention, the axis of the peripheral part in the cylinder portion of described parts and the close position of described lip part are provided with recess, are provided with the protuberance abutted with described bracket at the described lip part of described parts.
The effect of invention
According to above-mentioned disk type braker, the raising of the reliability of disk type braker can be realized.
Accompanying drawing explanation
Fig. 1 is the plan view of the disk type braker representing the first mode of execution of the present invention.
Fig. 2 is the side view of the disk type braker representing the first mode of execution of the present invention.
Fig. 3 is the plan view of the disk type braker representing the first mode of execution of the present invention.
Fig. 4 is the side view cutaway drawing of the disk type braker representing the first mode of execution of the present invention.
Fig. 5 is the side view cutaway drawing of the disk type braker representing the second mode of execution of the present invention.
Fig. 6 is the side view cutaway drawing of the disk type braker representing the 3rd mode of execution of the present invention.
Fig. 7 is the side view cutaway drawing of the disk type braker representing the 4th mode of execution of the present invention.
Fig. 8 is the side view cutaway drawing of the disk type braker representing the 5th mode of execution of the present invention.
Fig. 9 is the side view of the sliding axle parts of the disk type braker representing the 5th mode of execution.
Figure 10 A is the side view cutaway drawing of the assembling procedure of the support of the disk type braker representing the 5th mode of execution.
Figure 10 B is the side view cutaway drawing of the assembling procedure of the support of the disk type braker representing the 5th mode of execution.
Figure 11 A is the side view cutaway drawing of the assembling procedure of the support of the disk type braker representing the 5th mode of execution.
Figure 11 B is the side view cutaway drawing of the assembling procedure of the support of the disk type braker representing the 5th mode of execution.
Figure 11 C is the side view cutaway drawing of the assembling procedure of the support of the disk type braker representing the 5th mode of execution.
Figure 12 is the side view of the variation of the sliding axle parts of the disk type braker representing the 5th mode of execution.
Embodiment
" the first mode of execution "
Below, with reference to Fig. 1 ~ Fig. 4, the first mode of execution of the present invention is described.The disk type braker of the first mode of execution is for the vehicle such as cart or four-wheel wagon, specifically for two-wheeled disk type braker.As shown in FIG. 1 to 3, this disk type braker 1 has: brake disc 2; Support 3, it is configured in the side of the axial direction of brake disc 2; Brake calipers 4, it is to be supported on support 3 across the mode of brake disc 2.In addition, as shown in Figure 2 and Figure 3, this disk type braker 1 has two pieces of brake pads 5,6, also has enclosure (ブ ー Star) 12,13.It should be noted that, the sense of rotation of brake disc 2 when the arrow R shown in Fig. 1, Fig. 3 represents that vehicle advances.Below, be brake disc screw-in side with the inlet side of this sense of rotation (right side of Fig. 1, Fig. 3), be that brake disc back-out side is described with outlet side.In addition, with the axial direction of brake disc 2 for brake disc is axial, with the radial direction of brake disc 2 for brake disc is radial, with the sense of rotation of brake disc 2 for brake disc sense of rotation or brake disc circumference.
As shown in Figure 1, brake disc 2 is formed as discoideus.Brake disc 2 is arranged on the braking object of disk type braker 1 and the not shown wheel of vehicle and rotates 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 fixed on the sliding pin 16 of bracket 15 and dual-purpose pin (pin) 17.Sliding pin 16 guides brake calipers 4 along the movement of brake disc axis.The sliding pin that dual-purpose pin 17 moves axially with guiding brake calipers 4 along brake disc and the moment of torsion of the braking torque bearing brake pad 5,6 bear the function of pin.
In the present embodiment, bracket 15 is formed by aluminum alloy.As shown in Figure 2, bracket 15 is configured in the one side side i.e. outside (side that the right side of Fig. 2 is namely contrary with wheel) of brake disc 2, is fixed on the non-rotating portion (such as front fork) of the vicinity of the brake disc 2 of vehicle.As shown in Figure 1, bracket 15 is formed with through hole 18 at terminal side, under the state that this bracket 15 is configured with not shown axletree in this through hole 18, is installed on the non-rotating portion of vehicle.It should be noted that, the material of bracket 15 is not limited to aluminum alloy, also can make cylinder iron to wait formation.
At bracket 15, the neutral position of brake disc radial direction is formed with inner side pin mounting hole 20.Outside pin mounting hole (hole) 21 is formed in the end of the brake disc radial outside of bracket 15.As shown in Figure 4, inner side pin mounting hole 20 is formed along axial through bracket 15 ground of brake disc, is formed with internal thread 22 in inner peripheral portion.In addition, outside pin mounting hole 21 is also formed along axial through bracket 15 ground of brake disc, is formed with internal thread 23 in inner peripheral portion.
Sliding pin 16 is made up of bolt member 26 and the axle collar 27.Bolt member 26 have can with the head 28 of the hexagonal prism shape of tool engagement and columned axle portion 29, be formed with outside thread 30 at the peripheral part being positioned at the predetermined range of opposition side with head 28 in axle portion 29.The axle collar 27 is formed as tubular, chimeric with the axle portion 29 of bolt member 26, covers this axle portion 29.
Under the state that bolt member 26 inserts the axle collar 27 in axle portion 29, the internal thread 22 making the inner side of bracket 15 sell mounting hole 20 screws togather with outside thread 30.The head 28 of bolt member 26 that screw thread is fixed by this way clamps the axle collar 27 together with bracket 15.Consequently, bolt member 26 is fixed on bracket 15 together with the axle collar 27.The sliding pin 16 be made up of bolt member 26 and the axle collar 27 is installed on bracket 15 by this way.In this condition, sliding pin 16 entirety is to extend along the attitude of brake disc axis from bracket 15 to the side (outside) contrary with brake disc 2.The axle collar 27 of sliding pin 16 is entrenched in the enclosure 13, and the outer circumferential face of the axle collar 27 is covered by the enclosure 13.Sliding pin 16 can axially movably support brake calipers 4 along brake disc via this enclosure 13.
Dual-purpose pin 17 is fixed on bracket 15.Dual-purpose pin 17 sells the sliding axle parts (second component of mounting hole 21 to brake disc axial outside extension by the outside from bracket 15, parts) 35 and bear spindle unit (first component, another parts) 36 two different parts from the outside of bracket 15 pin mounting hole 21 to the brake disc moment of torsion that axially inner side extends and form.
Sliding axle parts 35 material different by the bracket 15 from aluminum alloy is formed.Sliding axle parts 35 are specifically made up of iron and steel in the present embodiment.Sliding axle parts 35 have successively from one end of axis: cylindric cylinder portion 40, and it has in radial central authorities the poroid insertion part 39 that inner peripheral surface is barrel surface; The circular lip part 41 that external diameter is larger than the peripheral part in cylinder portion 40; The columned slide part 42 that external diameter is less than cylinder portion 40.In other words, lip part 41 is formed with at the axial intermediate portion of sliding axle parts 35.Lip part 41 is formed extended at both sides outward than the cylinder portion 40 of axial both sides and slide part 42 radius vector.
The insertion part 39 in cylinder portion 40 is the parts allowing moment of torsion to bear spindle unit 36 press-in as described later.Insertion part 39, to a side opening contrary with slide part 42 of axis, is formed with the degree of depth in the scope in cylinder portion 40.Outside thread 43 is formed at the peripheral part in cylinder portion 40.Chamfering is formed at the peripheral part of slide part 42 side of the axis of lip part 41.The axial length in cylinder portion 40 is slightly shorter than the axial length of the outside pin mounting hole 21 of bracket 15.Cylinder portion 40, lip part 41 and slide part 42 are the arranged coaxial making all central shafts consistent.
Moment of torsion bears spindle unit 36 and is made up of iron and steel in the same manner as sliding axle parts 35 in the present embodiment.Moment of torsion bears spindle unit 36 to be had successively from one end of axis: the circular lip part 51 that columned moment of torsion receiving portion 50, external diameter are larger than moment of torsion receiving portion 50, the columned chimeric axle portion 52 that external diameter is less than moment of torsion receiving portion 50.In other words, the axial intermediate portion bearing spindle unit 36 at moment of torsion is formed with lip part 51, and lip part 51 is formed extended at both sides outward than the moment of torsion receiving portion 50 of axial both sides and chimeric axle portion 52 radius vector.It should be noted that, sliding axle parts 35 and moment of torsion bear spindle unit 36 and are formed by the material less than bracket 15 expansivity, in addition, do not need to use identical material.
The axial length in chimeric axle portion 52 is equal or equal following length with the axial length of the insertion part 39 of sliding axle parts 35.Chimeric axle portion 52 is embedded in the insertion part 39 of sliding axle parts 35 as described later in an interference fit.Therefore, the external diameter in chimeric axle portion 52 amount of taking measurements than the large interference of the internal diameter of insertion part 39.Moment of torsion receiving portion 50, lip part 51 and chimeric axle portion 52 are the arranged coaxial making all central shafts consistent.
The inner peripheral portion that sliding axle parts 35 make the peripheral part in a portion 40 and outside sell mounting hole 21 is installed on bracket 15 with abutting.Specifically, the internal thread 23 that the outside thread 43 of the peripheral part in cylinder portion 40 sells the inner peripheral portion of mounting hole 21 from the outside of the side contrary with brake disc 2 and bracket 15 screws togather.Sliding axle parts 35 are fixedly installed in bracket 15 by such screw thread.Now, the lip part 41 of sliding axle parts 35 utilizes the end face 55 along axle orthogonal direction, and the surrounding of selling the opening of mounting hole 21 with the outside being positioned at the face of opposite side with brake disc 2 of mode and the bracket 15 of face contact abuts.Thus, sliding axle parts 35 make its slide part 42 axially be fixed on bracket 15 from bracket 15 to the mode that the side contrary with brake disc 2 extends along brake disc.It should be noted that, as mentioned above, the axial length in cylinder portion 40 is shorter than the axial length of outside pin mounting hole 21.Therefore, under the state that lip part 41 utilizes end face 55 to abut with bracket 15, mounting hole 21 can not be sold by cylinder portion 40 from outside outstanding to brake disc 2 side.
As mentioned above, the chimeric axle portion 52 that moment of torsion bears spindle unit 36 is pressed into from the side, face opposed with brake disc 2 insertion part 39 that the sliding axle parts 35 of the state of mounting hole 21 are sold in the outside being arranged on bracket 15.Thus, bracket 15 is installed on via sliding axle parts 35.Now, the lip part 51 that moment of torsion bears spindle unit 36 utilizes the end face 56 along axle orthogonal direction, abuts with the surrounding that the opening of mounting hole 21 is sold in the outside in the face of brake disc 2 side of bracket 15 in the mode of face contact.Thus, moment of torsion bears spindle unit 36 and is fixed on sliding axle parts 35 in the mode making its moment of torsion receiving portion 50 and axially extend to brake disc 2 side from bracket 15 along brake disc.
As from the foregoing, bear the press-in of spindle unit 36 by sliding axle parts 35 and moment of torsion and the lip part 41,51 that the dual-purpose pin 17 be integrally formed is in axial both sides abuts with bracket 15 simultaneously and clips the state of bracket 15, be fixed on bracket 15.In other words, the lip part 41,51 at two positions from the axial sandwich bracket 15 of brake disc of dual-purpose pin 17 is separately formed bearing spindle unit 36 as the sliding axle parts 35 of different parts and moment of torsion respectively.Under the state being fixed on bracket 15, dual-purpose pin 17 possesses moment of torsion receiving portion 50 across the outside pin mounting hole 21 of bracket 15 a side, and possess slide part 42 the opposing party, slide part 42 and moment of torsion receiving portion 50 are the arranged coaxial making central shaft each other consistent.
It should be noted that, the axial length in the chimeric axle portion 52 of setting, with make chimeric axle portion 52 is pressed into make the end face 55 of lip part 41 and bracket 15 very close to each other near the bottom of the insertion part 39 of the sliding axle parts 35 of state that abuts time, the end face 56 of lip part 51 and bracket 15 abut very close to each otherly.In addition, by chimeric axle portion 52 being pressed into insertion part 39 with magnitude of interference, the external diameter of the outside thread 43 that the internal thread 23 that namely external diameter expanding the cylinder portion 40 of sliding axle parts 35 sells mounting hole 21 with the outside of bracket 15 screws togather, thus reduce or eliminate and the radial clearance of internal thread 23.Thereby, it is possible to improve the combination degree of the outside pin inner peripheral portion of mounting hole 21 of bracket 15 and the peripheral part in the cylinder portion 40 of sliding axle parts 35.
Under the state being fixed on bracket 15 as described above, as shown in Figure 1, the center of dual-purpose pin 17 is configured in radial outside than brake disc 2.As shown in Figure 4, dual-purpose pin 17 is under the state along brake disc axis, and moment of torsion receiving portion 50 side of a side extends to brake disc 2 side across brake disc 2 ground, and the side that slide part 42 side direction of the opposing party is contrary with brake disc 2 extends.As shown in Figure 1, the brake disc that dual-purpose pin 17 is configured in support 3 screws out side, is configured in brake disc screws out side and brake disc radial outside than sliding pin 16.As described later, the moment of torsion receiving portion 50 shown in Fig. 4 becomes the part of sliding for brake pad 5,6, and slide part 42 becomes the part of sliding for brake calipers 4.
Brake calipers 4 utilizes the slide part 42 of dual-purpose pin 17 and sliding pin 16 to be supported on support 3, thus can slide axially along brake disc.Brake calipers 4 becomes so-called pin sliding-type (ピ Application ス ラ イ De type) brake calipers.As shown in Figure 1, brake calipers 4 has braking clamp body 60, piston 61 and pad pin 62.
In the present embodiment, braking clamp body 60 by aluminum alloy etc. by casting integrated shaping after, formed by cutting.As shown in Figure 2 and Figure 3, braking clamp body 60, under the state across brake disc 2, can be installed on slide part 42 and the sliding pin 16 of the dual-purpose pin 17 shown in Fig. 4 of support 3 slidably.Braking clamp body 60 has: the claw 67 that the bridge part 66 be configured in the cylinder portion 65 in the outside of support 3, cross the radial outside of brake disc 2 from the brake disc radial outside in cylinder portion 65 extending to the inside, the radially inner side from the end of the inner side of bridge part 66 opposedly with cylinder portion 65 to brake disc 2 extend.In other words, at braking clamp body 60, be formed across the opposite disposed claw 67 of brake disc 2 and cylinder portion 65 at the bridge part 66 configured across brake disc 2 ground.
As shown in Figure 1, in cylinder portion 65, from the neutral position of brake disc circumference to brake disc footpath, inwardly side is formed with sliding guide portion 70 highlightedly.In addition, in cylinder portion 65, screw out side from brake disc radial outside to brake disc and be formed with sliding guide portion 71 outstandingly.As shown in Figure 4, in sliding guide portion 70, through brake disc is axially formed with sliding pin bearing hole.In sliding guide portion 71, dual-purpose pin bearing hole 73 is formed into the half-way of brake disc axis from brake disc 2 side.
At the chimeric cylindrical portion described later 78 having the enclosure 13 of sliding pin bearing hole 72 in cylinder portion 65.Sliding guide portion 70 can be supported on the axle collar 27 of sliding pin 16 slidably via this enclosure 13.In addition, at the chimeric slide part 42 having dual-purpose pin 17 of dual-purpose pin bearing hole 73 in cylinder portion 65.Sliding guide portion 71 can be supported on this slide part 42 slidably.
The enclosure 12 is rubber system.The enclosure 12 covers the part between the sliding guide portion 71 of the slide part 42 of sliding axle parts 35 and lip part 41.The enclosure 12 is formed as corrugated, flexible to make when sliding guide portion 71 moves relative to slide part 42.One end of the enclosure 12 is locked to sliding guide portion 71, and the other end is locked to the lip part 41 of sliding axle parts 35.
The enclosure 13 is also rubber system.The enclosure 13 covers the axle collar 27 of sliding pin 16.The cylindrical portion 78 of the centre of the enclosure 13 is entrenched in the sliding pin bearing hole 72 of sliding guide portion 70, moves together with sliding guide portion 70 on the axle collar 27 of sliding pin 16.The corrugated part 79,80 stretched when sliding pin 16 moves relative to cylindrical portion 78 in the both sides that the enclosure 13 becomes cylindrical portion 78.One end of the enclosure 13 is locked to the peripheral part of the end side of the axle collar 27 of sliding pin 16, and the other end is locked to the peripheral part of another side of the axle collar 27.
As shown in Figure 1, cylinder thorax 85 with the end is formed with in cylinder portion 65.Cylinder thorax 85 is axially formed towards claw 67 side opening shown in Fig. 2 along brake disc.As shown in Figure 1, the brake disc in cylinder portion 65 screws in side, is formed radially the pipe arrangement attachment hole 86 be communicated with cylinder thorax 85 along brake disc.This pipe arrangement attachment hole 86 is connected with not shown braking pipe arrangement.In addition, the brake disc in cylinder portion 65 screws out side and is provided with the venting plug 87 for being vented be communicated with cylinder thorax 85.Piston 61 can be embedded in the cylinder thorax 85 in cylinder portion 65 slidably.
As shown in Figure 3, bridge part 66 side of the brake disc axis in cylinder portion 65 is formed and screws in the outstanding screw-in side protuberance 90 in side at brake disc radial outside to brake disc.Also be formed in bridge part 66 side of the brake disc axis of claw 67 and screw in the outstanding screw-in side protuberance 91 in side at brake disc radial outside to brake disc.
Pad pin 62 and the screw-in side protuberance 90 at braking clamp body 60 formed along the axially extended through hole of brake disc 92 and chimeric along brake disc axially extended through hole 93 what screw in that side protuberance 91 formed.Pad pin 62 connects screw-in side protuberance 90 and screws in the extension of protuberance 91 ground, side under this chimeric status.Pad pin 62 is configured to along brake disc axially, brake disc 2 brake disc radial outside and the brake disc of bridge part 66 screws in side across brake disc 2.
As shown in Figure 2, the brake pad 5 in the outside in brake pad 5,6 is configured between a face of brake disc 2 and piston 61.Brake pad 5 has and to abut with brake disc 2 and the liner plate 95 making it produce surface friction drag and a face are adhered to this liner plate 95 and the pressing force from piston 61 are delivered to the backboard 96 of another side.As shown in Figure 3, screw in side at the brake disc of backboard 96 and be formed with through hole 97, screw out side at brake disc and be formed with through hole 98.The moment of torsion receiving portion 50 of the dual-purpose pin 17 of support 3 inserts through hole 98, and the pad pin 62 of brake calipers 4 inserts through hole 97, and brake pad 5 can be supported on these dual-purpose pin 17 and pad pins 62 axially slidably along brake disc.
As shown in Figure 2, the brake pad 6 of inner side is configured between the another side of brake disc 2 and claw 67.Brake pad 6 forms the shape of Mirror Symmetry relative to the brake pad 5 in outside.Brake pad 6 has the liner plate 100 that abuts with brake disc 2 and produce surface friction drag and a face is adhered to liner plate 100 and the pressing force from claw 67 is delivered to the backboard 101 of another side.As shown in Figure 3, screw in side at the brake disc of backboard 101 and be formed with through hole 102, screw out side at brake disc and be formed with through hole 103.The moment of torsion receiving portion 50 of the dual-purpose pin 17 of support 3 inserts through hole 103, and the pad pin 62 of brake calipers 4 inserts through hole 102, and brake pad 6 can be supported on these dual-purpose pin 17 and pad pins 62 axially slidably along brake disc.Therefore, a pair brake pad 5,6 is configured in the two sides of brake disc 2.
When brake fluid imports the cylinder thorax 85 in the cylinder portion 65 shown in Fig. 1 from pipe arrangement attachment hole 86, the piston 61 shown in Fig. 2 of brake calipers 4 presses a brake pad 5 in a pair brake pad 5,6 relative to cylinder portion 65 before the direction of brake disc 2 and then towards brake disc 2.So, brake pad 5 contacts with a face of brake disc 2 and produces reaction force, utilize this reaction force, sliding guide portion 70,71 shown in Fig. 4 of brake calipers 4, in sliding pin bearing hole 72 and dual-purpose pin bearing hole 73, makes the sliding pin 16 of support 3 and the slide part 42 of dual-purpose pin 17 slide and cylinder portion 65 is moved to the direction leaving brake disc 2.So claw 67 makes another brake pad 6 contact with the another side of brake disc 2.Like this, brake calipers 4 utilizes claw 67 and piston 61 clamp brake pad 5,6 from both sides and press brake disc 2, thus brakes the brake disc 2 i.e. rotation of wheel.
In the disk type braker described in above-mentioned patent documentation 1, to the both sides of bracket mount pin highlightedly on bracket, enable brake calipers chimeric with the slide part of the axial side of this pin slidably, and support brake pad in the moment of torsion receiving portion of the opposition side of this pin.In the structure making slide part coaxial with moment of torsion receiving portion by this way, when pin is installed on bracket, make the internal screw-thread screw of outside thread and the bracket formed in the axial neutral position of pin.But, in the structure of the internal screw-thread screw of the outside thread and bracket that make pin, owing to being repeatedly subject to the braking torque etc. from brake pad, existing and screw togather lax possibility.In addition, although pin is pressed into bracket, but in this case, especially in the press-in of the not same material such as the bracket by steely pin press-in aluminum alloy, because expansivity is different, so the internal diameter making to be provided with the hole of the bracket of pin because heating during braking causes temperature to rise expands, thus existence pin produces lax possibility relative to bracket.
On the other hand, according to above-described first mode of execution, the internal thread 23 that mounting hole 21 sell in the outside thread 43 that the sliding axle parts 35 making to have slide part 42 and the moment of torsion with moment of torsion receiving portion 50 bear a side in spindle unit 36 and sliding axle parts 35 and the outside of bracket 15 screws togather, and the chimeric axle portion 52 of the moment of torsion of the opposing party being born spindle unit 36 is pressed into the insertion part 39 of these sliding axle parts 35 and makes it integrated.Therefore, even if dual-purpose pin 17 is subject to the braking torque from brake pad 5,6 repeatedly, because the inside press-in sliding axle parts 35 and moment of torsion of selling mounting hole 21 in the outside of bracket 15 bear spindle unit 36 and make its integration, dual-purpose pin 17 and bracket 15 are fixed diametrically, therefore produce lax possibility relative to the dual-purpose pin 17 of bracket 15 to diminish, can suppress relative to dual-purpose pin 17 lax of bracket 15 or the combination degree both loosening and improving.Therefore, it is possible to realize the raising of the reliability of disk type braker 1.
In addition, when making utilizing press-in sliding axle parts 35 and moment of torsion bear spindle unit 36 integration, becoming and utilizing sliding axle parts 35 and moment of torsion to bear the respective lip part 41 of spindle unit 36 and lip part 51 structure of axially clamping bracket 15 at dual-purpose pin 17.Therefore, dual-purpose pin 17, relative to bracket 15 axially fixing at dual-purpose pin 17, diminishes so dual-purpose pin 17 produces lax possibility relative to bracket 15, can suppress relative to bracket 15 dual-purpose pin 17 lax or loosen.Therefore, it is possible to realize the raising of the reliability of disk type braker 1.
In addition, can function as follows in the structure utilizing lip part 41 and lip part 51 to clip bracket 15 in the axis of dual-purpose pin 17: when the bracket 15 of aluminum alloy combines with steely dual-purpose pin 17, even if because heating during braking causes temperature to rise, bracket 15 is to the axial thermal expansion of dual-purpose pin 17, and this thermal expansion presses lip part 41 and lip part 51.Therefore, produce lax possibility relative to bracket 15 at dual-purpose pin 17 and diminish, dual-purpose pin 17 can be suppressed relative to the lax of bracket 15 or loosen.Therefore, it is possible to realize the raising of the reliability of disk type braker 1.
In addition, moment of torsion bears spindle unit 36 and has the moment of torsion receiving portion 50 of sliding for brake pad 5,6, and sliding axle parts 35 have the slide part 42 slided for brake calipers 4.Therefore, even if moment of torsion moment of torsion receiving portion 50 and slide part 42 are arranged on as different parts bears on spindle unit 36 and sliding axle parts 35, can be also straight line shape by these component configuration, the compactness of disk type braker can be realized.
" the second mode of execution "
Then, mainly based on Fig. 5, be described centered by the part that the second mode of execution is different from the first mode of execution.It should be noted that, to the position common with the first mode of execution, represent with same address, same reference character.
In the disk type braker 1A of the second mode of execution, use and there is dual-purpose pin (pin) 17A different from dual-purpose pin 17 local of the first mode of execution and the support 3A of the bracket 15 identical with the first mode of execution.The dual-purpose pin 17A of the second mode of execution sells the sliding axle parts (second component of mounting hole 21 to brake disc axial outside extension by the outside from bracket 15, another parts) 35A and bear the different parts of spindle unit (first component, parts) 36A two from the outside of bracket 15 pin mounting hole 21 to the brake disc moment of torsion that axially inner side extends and form.
Sliding axle parts 35A is also made up of iron and steel.Sliding axle parts 35A has successively from one end of axis: the slide part 42 that the lip part 41 that columned chimeric axle portion 52A, external diameter are large and more identical with the first mode of execution than chimeric axle portion 52A, external diameter are large and more identical with the first mode of execution than chimeric axle portion 52A.In other words, the lip part 41 extended outward than chimeric axle portion 52A and slide part 42 radius vector of axial both sides is formed at the axial intermediate portion of sliding axle parts 35A.Chimeric axle portion 52A, lip part 41, slide part 42 are the arranged coaxial making all centers consistent.
Moment of torsion bears spindle unit 36A also for iron and steel is made.Moment of torsion bears spindle unit 36A to be had successively from one end of axis: the moment of torsion receiving portion 50 identical with the first mode of execution, the lip part 51 identical with the first mode of execution, have poroid insertion part 39A that inner peripheral surface is barrel surface and the cylinder portion 40A of less than lip part 51 and larger than moment of torsion receiving portion 50 cylindrical shape of external diameter in radial central authorities.In other words, the axial intermediate portion bearing spindle unit 36A at moment of torsion is formed with the lip part 51 extended outward than moment of torsion receiving portion 50 and the cylinder portion 40A radius vector of axial both sides.The insertion part 39A of cylinder portion 40A is the part allowing sliding axle parts 35A to be pressed into as described later.Insertion part 39A, to a side opening contrary with moment of torsion receiving portion 50 of axis, is formed with the degree of depth in the scope of cylinder portion 40A.The axial length of cylinder portion 40A is shorter than the axial length of the outside pin mounting hole 21 of bracket 15.The axial length of the insertion part 39A of cylinder portion 40A is equal or equal above length with the axial length of the chimeric axle portion 52A of sliding axle parts 35A.Outside thread 43A is formed at the peripheral part of cylinder portion 40A.The chimeric axle portion 52A of sliding axle parts 35A is embedded in insertion part 39A as described later in an interference fit.Therefore, the internal diameter of the insertion part 39A amount of taking measurements than the external diameter slight interference of chimeric axle portion 52A.Cylinder portion 40A, lip part 51 and moment of torsion receiving portion 50 are the arranged coaxial making all centers consistent.
Moment of torsion bears the inner peripheral portion that spindle unit 36A makes a peripheral part of portion 40A and outside sell mounting hole 21 and abuts and be installed on bracket 15.Specifically, the internal thread 23 that the outside thread 43A of the peripheral part of cylinder portion 40A sells the inner peripheral portion of mounting hole 21 from the outside of brake disc 2 side and bracket 15 screws togather.Moment of torsion bears spindle unit 36A and utilizes such screw thread to be fixedly installed in bracket 15.Now, the lip part 51 that moment of torsion bears spindle unit 36A utilizes the end face 56 along axle orthogonal direction, abuts with the surrounding that mounting hole 21 is sold in the outside in the face of brake disc 2 side of bracket 15 in the mode of face contact.In this case, under the state that lip part 51 utilizes end face 56 to abut with bracket 15, cylinder portion 40A can not sell mounting hole 21 from outside outstanding to the side contrary with brake disc 2.
As mentioned above, chimeric axle portion 52A is pressed into the insertion part 39A that the moment of torsion selling the state of mounting hole 21 in the outside being arranged on bracket 15 bears spindle unit 36A from the side contrary with brake disc 2.Thus, sliding axle parts 35A bears spindle unit 36A via moment of torsion and is installed on bracket 15.Now, the lip part 41 of sliding axle parts 35A utilizes the end face 55 along axle orthogonal direction, abuts with the surrounding that mounting hole 21 is sold in the outside in the face of the side contrary with brake disc 2 of bracket 15 in the mode of face contact.In addition, be pressed into insertion part 39A by will be fitted together to axle portion 52A with certain magnitude of interference, expand the external diameter that moment of torsion bears the outside thread 43A of the cylinder portion 40A of spindle unit 36A.
As from the foregoing, bear the press-in of spindle unit 36A by sliding axle parts 35A and moment of torsion and the dual-purpose pin 17A of integration identically with the dual-purpose pin 17 of the first mode of execution, the state clipping bracket 15 to make the lip part 41,51 of axial both sides abut with bracket 15 is simultaneously fixed on bracket 15.Under the state being fixed on bracket 15 by this way, identically with the first mode of execution, the slide part 42 of dual-purpose pin 17A is embedded in the dual-purpose pin bearing hole 73 of brake calipers 4, and moment of torsion receiving portion 50 inserts the through hole 98,103 of brake pad 5,6.
" the 3rd mode of execution "
Then, be described centered by the part that the 3rd mode of execution is different from the first mode of execution based on Fig. 6 pair for master.It should be noted that, for the position common with the first mode of execution, represent with same address, same reference character.
In the disk type braker 1B of the 3rd mode of execution, use and there is the bracket 15B different from the bracket 15 of the first mode of execution and dual-purpose pin 17 local and the support 3B of dual-purpose pin (pin) 17B.Outside pin mounting hole (hole) 21B becoming cylinder planar that inner peripheral portion does not form internal thread is formed at the bracket 15B of the 3rd mode of execution.The dual-purpose pin 17B of the 3rd mode of execution has sliding axle parts (second component, the parts) 35B different from the first mode of execution and the moment of torsion identical with the first mode of execution bears spindle unit 36.
The sliding axle parts 35B of the 3rd mode of execution is also made up of iron and steel, has successively from one end of axis: cylinder portion 40B, the lip part 41 identical with the first mode of execution, the slide part 42 identical with the first mode of execution.The insertion part 39 identical with the first mode of execution is formed in the radial direction central authorities of cylinder portion 40B.Cylinder portion 40B, lip part 41 and slide part 42 are the arranged coaxial making all centers consistent.Cylinder portion 40B becomes peripheral part and does not form externally threaded cylinder planar.This peripheral part sells mounting hole 21B as described later in an interference fit inner peripheral portion with the outside of bracket 15B is chimeric.Therefore, the external diameter of the cylinder portion 40B amount of taking measurements than the large interference of the internal diameter of outside pin mounting hole 21B.
The inner peripheral portion that sliding axle parts 35B makes a peripheral part of portion 40B and the outside of bracket 15B sell mounting hole 21B abuts and is installed on bracket 15B.Specifically, sell the inner peripheral portion of mounting hole 21B by the peripheral part of cylinder portion 40B to be pressed into outside from the side contrary with brake disc 2, sliding axle parts 35B is installed on bracket 15B.Now, lip part 41 utilizes the end face 55 along axle orthogonal direction, abuts with the surrounding that mounting hole 21B is sold in the outside in the face of the side contrary with brake disc 2 of bracket 15B in the mode of face contact.That is, the peripheral part of cylinder portion 40B of sliding axle parts 35B carries out with the inner peripheral portion of selling mounting hole 21B by the peripheral part of cylinder portion 40B being pressed into outside that abuts that the inner peripheral portion of mounting hole 21B is sold in the outside of bracket 15B.It should be noted that, the axial length of cylinder portion 40B is also short than the axial length of outside pin mounting hole 21B.
Then, identically with the first mode of execution, moment of torsion is born spindle unit 36 enters above-mentioned sliding axle parts 35B from brake disc 2 side pressure insertion part 39 in chimeric axle portion 52.Now, lip part 51 utilizes the end face 56 along axle orthogonal direction, abuts with the surrounding that mounting hole 21B is sold in the outside in the face of brake disc 2 side of bracket 15B in the mode of face contact.Like this, by chimeric axle portion 52 being pressed into insertion part 39 with certain magnitude of interference, the external diameter of the cylinder portion 40B of sliding axle parts 35B, namely, the external diameter of the cylinder portion 40B of the outside pin mounting hole 21B of press-in bracket 15B becomes large and expands the magnitude of interference selling mounting hole 21B with outside.Thereby, it is possible to improve the combination degree of the inner peripheral portion of outside pin mounting hole 21B of bracket 15B and the peripheral part of the cylinder portion 40B of sliding axle parts 35B.
As from the foregoing, bear the press-in of spindle unit 36 by sliding axle parts 35B and moment of torsion and the dual-purpose pin 17B of integration identically with the dual-purpose pin 17 of the first mode of execution, to abut with bracket 15B with the lip part 41,51 of axial both sides and the state clipping bracket 15B is fixed on bracket 15 simultaneously.Under the state being fixed on bracket 15 by this way, identically with the first mode of execution, the slide part 42 of dual-purpose pin 17B is chimeric with the dual-purpose pin bearing hole 73 of brake calipers 4, and moment of torsion receiving portion 50 inserts the through hole 98,103 of brake pad 5,6.
According to above-described 3rd mode of execution, by the inner peripheral portion of the outside pin mounting hole 21B of the peripheral part of the cylinder portion 40B of sliding axle parts 35B press-in bracket 15B.Therefore, do not need to implement screw thread process at the peripheral part of the inner peripheral portion of the outside of bracket 15B pin mounting hole 21B and the cylinder portion 40B of sliding axle parts 35B, can cut down finished cost.
It should be noted that, although do not illustrate, the 3rd mode of execution can be suitable in this second embodiment.That is, the inner peripheral portion that can make the outside pin mounting hole 21 of the bracket 15 of the second mode of execution is cylinder planar, and the peripheral part making moment of torsion bear the cylinder portion 40A of spindle unit 36A is cylinder planar, is pressed into certain magnitude of interference.
" the 4th mode of execution "
Then, by the 4th mode of execution for main based on Fig. 7 pair and first, be described centered by the different part of the 3rd mode of execution.It should be noted that, for the position common with the first, the 3rd mode of execution, represent with same address, same reference character.
In the disk type braker 1C of the 4th mode of execution, identically with the 3rd mode of execution, there is bracket 15B, this bracket 15B is formed with the outside pin mounting hole 21B becoming cylinder planar not forming internal thread, uses the support 3C with dual-purpose pin (pin) 17C different from the dual-purpose pin 17B local of the 3rd mode of execution.
The dual-purpose pin 17C of the 4th mode of execution sells by the outside from bracket 15 the pin parts (second component that mounting hole 21B extends to the both direction of brake disc axially outside and inner side, another parts) 36C parts different with cartridge (first component, parts) 35C two form.
Pin parts 36C is also made up of iron and steel.Pin parts 36C has successively from one end of axis: the moment of torsion receiving portion 50 identical with the first mode of execution, the lip part 51 identical with the first mode of execution, external diameter are than moment of torsion receiving portion 50 and the little columned chimeric axle portion 52C of lip part 51, slide part 42 that external diameter is little and more identical with the first mode of execution than chimeric axle portion 52C.In other words, pin parts 36C is formed with moment of torsion receiving portion 50 in the side of axis, and is formed with chimeric axle portion 52C and slide part 42 at the opposite side of axis, is formed with the lip part 51 extended outward than they radius vectors at the intermediate portion of axis.Moment of torsion receiving portion 50, lip part 51, chimeric axle portion 52C, slide part 42 are the arranged coaxial making all centers consistent.
Cartridge 35C is also made up of iron and steel.Cartridge 35C has the lip part 41 identical with the first mode of execution, extends vertically from lip part 41 and has the cylinder portion 40C that inner peripheral surface is the cylindrical shape of the poroid insertion part 39C of barrel surface in radial central authorities.Insertion part 39C is the part allowing pin parts 36C to be pressed into as described later, and through cartridge 35C ground is formed and at the both-side opening of axis vertically.Shorter than the axial length of the outside pin mounting hole 21B of bracket 15 from the axial length of the cylinder portion 40C of lip part 41 extension.The axial length of insertion part 39C is equal with the axial length of the chimeric axle portion 52C of pin parts 36C.Cylinder portion 40C, lip part 41 are the arranged coaxial making all centers consistent.
Cylinder portion 40C becomes peripheral part and does not form externally threaded cylinder planar.This peripheral part sells mounting hole 21B as described later in an interference fit inner peripheral portion with the outside of bracket 15B is chimeric.Therefore, the external diameter of the cylinder portion 40C amount of taking measurements than the large interference of the internal diameter of outside pin mounting hole 21B.
The inner peripheral portion that cartridge 35C makes a peripheral part of portion 40C and the outside of bracket 15B sell mounting hole 21B abuts and is installed on bracket 15B.Specifically, by making a portion 40C be pressed into from the side contrary with brake disc 2 inner peripheral portion that mounting hole 21B is sold in outside at its peripheral part, cartridge 35C is installed on bracket 15B.Now, lip part 41 utilizes the end face 55 along axle orthogonal direction, abuts with the surrounding that mounting hole 21B is sold in the outside in the face of the side contrary with brake disc 2 of bracket 15B in the mode of face contact.That is, the inner peripheral portion of selling mounting hole 21B in the outside being pressed into bracket 15B by the peripheral part of the cylinder portion 40C by cartridge 35C that abuts that the inner peripheral portion of mounting hole 21B is sold in the peripheral part of cylinder portion 40C and the outside of bracket 15B of cartridge 35C is carried out.
Then, pin parts 36C is entered the insertion part 39C of above-mentioned cartridge 35C from brake disc 2 side pressure at chimeric axle portion 52C.Now, the lip part 51 that the rear side in the direction of inserting to insertion part 39C is formed utilizes the end face 56 along axle orthogonal direction, abuts with the surrounding that mounting hole 21B is sold in the outside in the face of brake disc 2 side of bracket 15B in the mode of face contact.Like this, be pressed into the external diameter of the cylinder portion 40C of insertion part 39C, cartridge 35C by will be fitted together to axle portion 52C with certain magnitude of interference, namely, the external diameter of the cylinder portion 40C of the outside pin mounting hole 21B of press-in bracket 15B becomes large and expand the magnitude of interference selling mounting hole 21B with outside.
As from the foregoing, by the press-in of cartridge 35C and pin parts 36C, the dual-purpose pin 17C of integration identically with the dual-purpose pin 17 of the first mode of execution, abuts and the state that clips bracket 15B is fixed on bracket 15B with the lip part 41,51 of axial both sides with bracket 15B simultaneously.Under the state being fixed on bracket 15B by this way, identically with the first mode of execution, the slide part 42 of dual-purpose pin 17C is embedded in the dual-purpose pin bearing hole 73 of brake calipers 4, and moment of torsion receiving portion 50 inserts the through hole 98,103 of brake pad 5,6.
According to above-described 4th mode of execution, dual-purpose pin 17C has side and is formed with moment of torsion receiving portion 50 and opposite side is formed with the pin parts 36C of slide part 42, therefore, it is possible to improve the machining accuracy of moment of torsion receiving portion 50 and slide part 42.
" the 5th mode of execution "
Then, be described centered by the part different from the first, the 3rd mode of execution based on Fig. 8 ~ Figure 12 for main by the 5th mode of execution.It should be noted that, for the position common with the first, the 3rd mode of execution, represent with same address, same reference character.
In the disk type braker 1D of the 5th mode of execution, as shown in Figure 8, use has the bracket 15D different from the bracket 15B local of the 3rd mode of execution and has the support 3D of dual-purpose pin (pin) 17D different with the dual-purpose pin 17B local of the 3rd mode of execution.In the dual-purpose pin 17D of the 5th mode of execution, sliding axle parts (second component, the parts) 35D different from the sliding axle parts 35B local of the 3rd mode of execution and the moment of torsion identical with the first, the 3rd mode of execution is used to bear spindle unit 36.
As shown in Figure 9, the sliding axle parts 35D of the 5th mode of execution has the lip part 41D of the structure being formed with circular protuberance 110D at the lip part 41 of the sliding axle parts 35B of the 3rd mode of execution.Specifically, at sliding axle parts 35D, be formed with protuberance 110D at the end face 55D contrary with slide part 42 of lip part 41D.In addition, sliding axle parts 35D has the cylinder portion 40D of the structure being formed with circular recess 111D at the peripheral part of the cylinder portion 40B of the sliding axle parts 35B of the 3rd mode of execution.Specifically, at sliding axle parts 35D, be formed with recess 111D in the position close with lip part 41D of the axis of the peripheral part of cylinder portion 40D.Here, the position close with lip part 41D refers to, the Plastic Flow that the material use of bracket 15D is caused by metal flow described later and the position that can flow into.Cylinder portion 40D, lip part 41D, slide part 42, protuberance 110D and recess 111D are the arranged coaxial making all centers consistent.
As shown in Figure 10 A, Figure 10 B, Figure 11 A ~ Figure 11 C, spindle unit 36 is born to above-mentioned sliding axle parts 35D and moment of torsion and is described to the installation of bracket 15B.As shown in Figure 10 A to Figure 10 B, the cylinder portion 40D of sliding axle parts 35D is made to be entrenched in the inner peripheral portion of the outside pin mounting hole 21B of bracket 15B in the mode of Spielpassung at its peripheral part.As shown in Figure 10 B, until the protuberance 110D of sliding axle parts 35D and bracket 15B abut and carry out that this is chimeric, afterwards, in this condition, the lip part 41D of sliding axle parts 35D is pressed to bracket 15B.So as shown in Figure 11 A, form circular chimeric recess 112D and produce Plastic Flow, so-called metal flow at the protuberance 110D of lip part 41D, the material of bracket 15D flows into the recess 111D of cylinder portion 40D.Thus, form the bracket 15D of the 5th mode of execution, be formed with circular fitting projection 113D at this bracket 15D, compared with the press-in of the 3rd mode of execution, sliding axle parts 35D firmly fixes relative to bracket 15D.
That is, be provided with recess 111D at the peripheral part of the cylinder portion 40D of sliding axle parts 35D, be provided with the protuberance 110D abutted with bracket 15D at lip part 41D.Therefore, relative to the bracket 15B of the 3rd mode of execution, the bracket 15D of the 5th mode of execution outside pin mounting hole (hole) 21D with the structure being formed with fitting projection 113D replace outside pin mounting hole 21B in, and be formed around the pin mounting hole 21D of outside chimeric recess 112D in different.
Under the state being installed on bracket 15D as described above, the lip part 41D of sliding axle parts 35D utilizes the end face 55D along axle orthogonal direction, abutting with the surrounding that mounting hole 21D is sold in the outside in the face of brake disc 2 opposite side with the mode of face contact and bracket 15D.
Then, as shown in Figure 11 B to Figure 11 C, identically with the first mode of execution, moment of torsion bears spindle unit 36 is pressed into above-mentioned sliding axle parts 35D insertion part 39 in chimeric axle portion 52.Now, lip part 51 utilizes the end face 56 along axle orthogonal direction, abuts with the surrounding that mounting hole 21D is sold in the outside in the face of brake disc 2 side of bracket 15D in the mode of face contact.Like this, by chimeric axle portion 52 being pressed into insertion part 39 with certain magnitude of interference, the external diameter that namely external diameter of the cylinder portion 40D of sliding axle parts 35D is pressed into the cylinder portion 40D of the outside pin mounting hole 21D of bracket 15D becomes large and expands the magnitude of interference selling mounting hole 21D with outside.
As from the foregoing, bear the press-in of spindle unit 36 by sliding axle parts 35D and moment of torsion and the dual-purpose pin 17D of integration identically with the dual-purpose pin 17 of the first mode of execution, to abut with bracket 15D with the lip part 41D of axial both sides, 51 and the state clipping bracket 15D is fixed on bracket 15D simultaneously.Under the state that dual-purpose pin 17D is fixed on bracket 15D by this way, as shown in Figure 8, slide part 42 is chimeric with the dual-purpose pin bearing hole 73 of brake calipers 4, and moment of torsion receiving portion 50 inserts the through hole 98,103 of brake pad 5,6.
According to above-described 5th mode of execution, when the mode making the protuberance 110D of the lip part 41D of sliding axle parts 35D form chimeric recess 112D to rivet (adding Parties め) with bracket 15D enters, the material of bracket 15D flows into the recess 111D of the peripheral part of the cylinder portion 40D of sliding axle parts 35D due to the metal flow produced when forming chimeric recess 112D and forms fitting projection 113D.Therefore, do not need to implement screw thread process at the peripheral part of the inner peripheral portion of the outside of bracket 15D pin mounting hole 21D and the cylinder portion 40D of sliding axle parts 35D, can cut down finished cost.In addition, compared with sliding axle parts being pressed into the situation of bracket, securely sliding axle parts can be fixed on bracket.
It should be noted that, as shown in figure 12, in the 5th mode of execution, the sliding axle parts 35D ' of following structure can be used: have and form at end face 55D ' lip part 41 that the lip part 41D ' being configured to the protuberance 110D ' of circular multiple semi-spherical shape intermittently replaces being formed with the circular protuberance 110D of sliding axle parts 35D, there is the cylinder portion 40D ' that recess 111D ' that formation is configured to circular multiple semi-spherical shape intermittently replaces circular recess 111D.In this case, similarly protuberance 110D ' riveted and enter bracket 15D, utilize this metal flow and make a part of bracket 15D enter recess 111D '.
In addition, although do not illustrate, the 5th mode of execution can be suitable in the 3rd mode of execution being applicable to the second mode of execution.That is, the inner peripheral portion that the outside of the bracket 15 of the second mode of execution can be made to sell mounting hole 21 is cylinder planar, the peripheral part making moment of torsion bear the cylinder portion 40A of spindle unit 36A is cylinder planar, the end face 56 bearing the lip part 51 of spindle unit 36A at moment of torsion forms circular protuberance 110D, circular recess 111D is formed at the peripheral part of cylinder portion 40A, or the end face 56 of lip part 51 bearing spindle unit 36A at moment of torsion forms multiple protuberance 110D ' of semi-spherical shape, form multiple recess 111D ' of semi-spherical shape at the peripheral part of cylinder portion 40A.
The feature of above-mentioned first ~ five mode of execution is to have: the support being fixed on the non-rotating portion of vehicle; This support can be supported on slidably and be configured in a pair brake pad on the two sides of brake disc; There is the piston of a brake pad in this pair brake pad of pressing and the brake calipers of described support can be supported on slidably, described support have be formed along brake disc axially through hole and be fixed on the non-rotating portion of vehicle bracket, extend and fixing pin from described hole along the axis of brake disc, this pin clips described hole and possesses the moment of torsion receiving portion of sliding for described brake pad in side, possesses the slide part slided for described brake calipers at opposite side.In disk type braker, described pin is made up of first component and the such different parts of second component, the lip part radially extended abutted with the around openings in the described hole of described bracket is formed respectively at described first component and described second component, parts in described first component and described second component are formed with the cylinder portion with the insertion part allowing another parts to be pressed into, another parts described are pressed into the described insertion part of described parts under the state making the peripheral part in described cylinder portion of described parts abut with the inner peripheral portion in the described hole of described bracket, under the state utilizing described first component and described second component lip part separately to clamp described bracket, described first component and described second component are fixed on described bracket.Thus, the insertion part of parts in another parts press-in first component and second component is made its integration, and utilize first component and second component lip part separately to clamp bracket, therefore, it is possible to suppress first component and second component relaxing relative to bracket.Therefore, it is possible to provide the disk type braker realizing reliability and improve.
The feature of the first ~ three, the 5th mode of execution is, described first component has described moment of torsion receiving portion, described second component has described slide part, even if therefore moment of torsion receiving portion and slide part are arranged and also straight line shape can be configured as on the different parts, the compactness of disk type braker can be realized.
Three, the feature of the 4th mode of execution is, the inner peripheral portion in the described hole of described bracket is pressed into by the peripheral part in the described cylinder portion by described parts, improve the combination degree of the peripheral part in the inner peripheral portion in the described hole of described bracket and the described cylinder portion of described parts, therefore, it is possible to cut down finished cost.
The feature of the 4th mode of execution is, described first component is cartridge, has: described lip part; Described cylinder portion, it has and to extend vertically from this lip part and to insert the inner peripheral portion in the described hole of described bracket and the described insertion part allowing described second component to be pressed into.Described second component is pin parts, and it forms moment of torsion receiving portion in side, forms slide part, be formed with described lip part, therefore, it is possible to cut down finished cost at the rear side in the direction of inserting to described insertion part in the opposing party side.
The feature of the 5th mode of execution is, peripheral part in the cylinder portion of described parts is provided with recess close to the position of axial described lip part, the protuberance abutted with described bracket is provided with at the described lip part of described parts, therefore, when the protuberance riveted joint of the lip part by parts enters bracket, bracket enters the peripheral part of parts due to metal flow.Therefore, it is possible to cut down finished cost.
Industrial applicibility
According to above-mentioned disk type braker, the raising of the reliability of disk type braker can be realized.
Description of reference numerals
1,1A ~ 1D disk type braker
2 brake discs
3,3A ~ 3D support
4 brake caliperss
5,6 brake pads
15,15B, 15D bracket
The dual-purpose pin of 17,17A ~ 17D (pin)
21, mounting hole (hole) is sold outside 21B, 21D
35,35B, 35D sliding axle parts (second component, parts)
35A sliding axle parts (second component, another parts)
35C cartridge (first component, parts)
36 moments of torsion bear spindle unit (first component, another parts)
36A moment of torsion bears spindle unit (first component, parts)
36C sells parts (second component, another parts)
39,39C insertion part
40,40A ~ 40D, 40D ' cylinder portion
41,41D, 41D ', 51 lip parts
42 slide parts
50 moment of torsion receiving portions
61 pistons
110D protuberance
111D recess

Claims (5)

1. a disk type braker, is characterized in that, has:
Be fixed on the support in the non-rotating portion of vehicle;
This support can be supported on slidably and be configured in a pair brake pad on the two sides of brake disc;
There is the piston of a brake pad in this pair brake pad of pressing and the brake calipers of described support can be supported on slidably,
Described support has:
Be formed with the bracket being fixed on the non-rotating portion of vehicle along the axial through hole of brake disc;
Extend and fixing pin from described hole along the axis of brake disc,
This pin clips described hole and possesses the moment of torsion receiving portion of sliding for described brake pad in side, possesses the slide part slided for described brake calipers at opposite side,
Described pin is made up of first component and the such different parts of second component,
The lip part radially extended abutted with the around openings in the described hole of described bracket is formed respectively at described first component and described second component,
Parts in described first component and described second component are formed with a portion, and described cylinder portion has the insertion part allowing the press-in of another parts,
Another parts described are pressed into the described insertion part of described parts under the state making the peripheral part in described cylinder portion of described parts abut with the inner peripheral portion in the described hole of described bracket, under the state utilizing described first component and described second component lip part separately to clamp described bracket, described first component and described second component are fixed on described bracket.
2. disk type braker according to claim 1, is characterized in that,
Described first component has described moment of torsion receiving portion, and described second component has described slide part.
3. disk type braker according to claim 1 and 2, is characterized in that,
Be pressed into the inner peripheral portion in the described hole of described bracket by the peripheral part in the described cylinder portion by described parts, improve the combination degree of the peripheral part in the inner peripheral portion in the described hole of described bracket and the described cylinder portion of described parts.
4. the disk type braker according to claim 1 or 3, is characterized in that,
Described first component is cartridge, has: described lip part; Described cylinder portion, it has and to extend vertically from this lip part and to insert the inner peripheral portion in the described hole of described bracket and the described insertion part allowing described second component to be pressed into,
Described second component is pin parts, and it is formed with moment of torsion receiving portion in side, is formed with slide part at opposite side, is formed with described lip part at the rear side in the direction of inserting to described insertion part.
5. disk type braker according to any one of claim 1 to 4, is characterized in that,
The axis of the peripheral part in the cylinder portion of described parts and the close position of described lip part are provided with recess, are provided with the protuberance abutted with described bracket at the described lip part of described parts.
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
JP2012170478 2012-07-31
JP2012-170478 2012-07-31
PCT/JP2013/058973 WO2014020941A1 (en) 2012-07-31 2013-03-27 Disc brake

Publications (2)

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

Country Link
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
CN108474424B (en) 2015-11-05 2021-02-09 克诺尔商用车制动***有限公司 Disk brake for a commercial vehicle

Citations (6)

* 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
US4350229A (en) * 1979-10-20 1982-09-21 Tokico Ltd. Disc brake having a slidably supported caliper
JPS6314029U (en) * 1986-07-11 1988-01-29
JPH11108086A (en) * 1997-10-07 1999-04-20 Nissin Kogyo Kk Disk brake for vehicle
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
JP2004132449A (en) * 2002-10-10 2004-04-30 Nissin Kogyo Co Ltd Disk brake for vehicles

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57139741U (en) * 1981-02-26 1982-09-01

Patent Citations (6)

* 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
US4350229A (en) * 1979-10-20 1982-09-21 Tokico Ltd. Disc brake having a slidably supported caliper
JPS6314029U (en) * 1986-07-11 1988-01-29
JPH11108086A (en) * 1997-10-07 1999-04-20 Nissin Kogyo Kk Disk brake for vehicle
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
JP2004132449A (en) * 2002-10-10 2004-04-30 Nissin Kogyo Co Ltd Disk brake for vehicles

Also Published As

Publication number Publication date
WO2014020941A1 (en) 2014-02-06
CN104246271B (en) 2017-12-08
JP5914662B2 (en) 2016-05-11
JPWO2014020941A1 (en) 2016-07-21

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