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WO2018199119A1 - Friction pad assembly for disk brake - Google Patents

Friction pad assembly for disk brake Download PDF

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Publication number
WO2018199119A1
WO2018199119A1 PCT/JP2018/016684 JP2018016684W WO2018199119A1 WO 2018199119 A1 WO2018199119 A1 WO 2018199119A1 JP 2018016684 W JP2018016684 W JP 2018016684W WO 2018199119 A1 WO2018199119 A1 WO 2018199119A1
Authority
WO
WIPO (PCT)
Prior art keywords
friction pad
plate
pad assembly
disc brake
assembly
Prior art date
Application number
PCT/JP2018/016684
Other languages
French (fr)
Japanese (ja)
Inventor
昭彦 山▲崎▼
嘉一 針貝
祐一 岡田
隆行 進藤
Original Assignee
曙ブレーキ工業株式会社
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
Priority claimed from JP2017142704A external-priority patent/JP6964454B2/en
Application filed by 曙ブレーキ工業株式会社 filed Critical 曙ブレーキ工業株式会社
Priority to US16/496,610 priority Critical patent/US20210054891A1/en
Priority to EP18791475.9A priority patent/EP3617544B1/en
Publication of WO2018199119A1 publication Critical patent/WO2018199119A1/en

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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
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H5/00—Applications or arrangements of brakes with substantially radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • 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
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04—Attachment of linings
    • 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
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04—Attachment of linings
    • F16D69/0408—Attachment of linings specially adapted for plane linings
    • 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
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04—Attachment of linings
    • F16D2069/0425—Attachment methods or devices
    • F16D2069/0433—Connecting elements not integral with the braking member, e.g. bolts, rivets
    • 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
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04—Attachment of linings
    • F16D2069/0425—Attachment methods or devices
    • F16D2069/0441—Mechanical interlocking, e.g. roughened lining carrier, mating profiles on friction material and lining carrier

Definitions

  • the present invention relates to a friction pad assembly for a disc brake.
  • a disc brake device for a railway vehicle includes a disc rotor fixed to an axle, and a disc brake friction pad in which a lining assembly is assembled on a disc rotor side surface of a torque receiving plate arranged to face the disc rotor.
  • the assembly includes a brake caliper that includes an actuator that drives the torque receiving plate to advance and retract toward the disc rotor and is fixed to the vehicle body frame.
  • the disc brake device generates a braking force by sliding friction when the torque receiving plate is advanced to the disc rotor side and the lining assembly is pressed against the disc rotor.
  • the present invention has been made in view of the above situation, and an object of the present invention is to provide friction for disc brakes that can be realized at low cost with a small number of parts, such as a detent structure of the lining assembly or a structure that supports the lining assembly in a swingable manner. It is to provide a pad assembly.
  • a disc brake friction pad assembly in which at least one lining assembly is swingably supported by a guide plate that receives a braking torque, and the lining assembly is pressed against a disc rotor.
  • the solid body has a friction material pressed against the disk rotor during braking, and a back plate portion fixed to the back surface of the friction material, and the back plate portion has a guide hole provided in the guide plate.
  • the torque receiving plate that is transmitted from the plate fitting portion to the guide plate and is fixed to the guide plate has a rotation that restricts the rotation of the lining assembly.
  • the anti-rotation restricting portion for restricting the rotation of the lining assembly is formed integrally with the torque receiving plate.
  • the anti-rotation restricting portion formed integrally with the torque receiving plate engages with the lining assembly and restricts the rotation of the lining assembly.
  • the convex portion disposed on the torque receiving plate for supporting the lining assembly in a swingable manner contacts the back plate portion of the lining assembly,
  • the lining assembly can be made swingable. Further, according to the present configuration example, even if there are a plurality of lining assemblies, the convex portions can be pressed on the torque receiving plate at a position corresponding to each lining assembly. Thereby, the structure which supports the lining assembly in a swingable manner can be manufactured at a low cost with a simple structure.
  • the convex portion disposed on the back plate portion abuts against the torque receiving plate so as to swingably support the lining assembly, and the lining assembly is It can be made swingable.
  • the vibration propagating between the lining assembly and the torque receiving plate is attenuated by the damping layer.
  • the damping layer contributes to noise reduction due to contact between the torque receiving plate and the back plate portion. As a result, vibration generated during one braking process is attenuated, and squeal noise (so-called brake squeal) is suppressed.
  • the anti-rotation restricting portion is a cut-and-raised piece formed on the torque receiving plate so as to engage with a locking recess formed on the back plate portion.
  • the disc brake friction pad assembly of the above configuration (5) by forming a cut and raised piece on the torque receiving plate, a series of stamping and bending operations can be performed without using a separate member.
  • the anti-rotation restricting portion can be easily formed integrally with the torque receiving plate.
  • the opening from which the cut and raised piece is cut is covered by the member provided between the torque receiving plate and the back plate.
  • this member it is possible to suppress foreign matters from entering the rear plate portion through the opening from the outside of the torque receiving plate.
  • the anti-rotation restricting portion is an opening formed in the torque receiving plate so as to engage with a protrusion formed on the back plate portion.
  • a protrusion is formed on the back plate portion, and an opening that engages with the protrusion is formed on the torque receiving plate. That is, the lining assembly can be prevented from rotating with a simple structure using only the back plate portion and the torque receiving plate without using separate members, as in the case where the torque receiving plate is cut and raised. it can. Further, according to this configuration example, the processing of the torque receiving plate is only a punching operation for forming the opening, so that the processing of the torque receiving plate is facilitated as compared with the case of forming the cut and raised pieces.
  • a disc brake friction pad assembly in which at least one lining assembly is swingably supported by a guide plate that receives a braking torque, and the lining assembly is pressed against a disc rotor, the lining assembly
  • the solid body has a friction material pressed against the disk rotor during braking, and a back plate portion fixed to the back surface of the friction material, and the back plate portion has a guide hole provided in the guide plate.
  • a plate fitting portion that is swingably fitted to the portion, the plate fitting portion is inserted and mounted in the guide hole portion, and the braking torque that acts when the friction material is pressed against the disk rotor is
  • the lining assembly is swingably supported by a torque receiving plate that is transmitted from the plate fitting portion to the guide plate and is fixed to the guide plate. Friction pad assembly for a disc brake in which the convex portion is arranged to be.
  • the convex portion disposed on the torque receiving plate for swingably supporting the lining assembly abuts on the back plate portion of the lining assembly,
  • the lining assembly can be made swingable. Further, according to the present configuration example, even when there are a plurality of lining assemblies, the convex portions can be collectively pressed into the torque receiving plate at positions corresponding to the respective lining assemblies. Thereby, the structure which supports the lining assembly in a swingable manner can be manufactured at a low cost with a simple structure.
  • the torque receiving plate has a caliper so that the back surface (the surface opposite to the surface facing the back plate portion) is covered with the brake pad mounting portion. It is attached to. Therefore, for example, the opening after cutting and raising the torque receiving plate and the opening formed so as to engage with the protrusion formed on the back plate portion are covered with the brake pad mounting portion. Thereby, it can suppress that a foreign material penetrate
  • the torque receiving plate has an opening peripheral edge of the back surface (the surface opposite to the surface facing the back plate portion) at the brake pad mounting portion. It is attached to the caliper so that it is in close contact. Therefore, for example, the opening after the torque receiving plate is cut and raised and the opening formed to engage with the protrusion formed on the back plate is closed by the brake pad mounting portion. Thereby, it can suppress reliably that a foreign material penetrate
  • the anti-rotation structure of the lining assembly or the structure for swingably supporting the lining assembly can be realized with a small number of parts at low cost.
  • FIG. 1 is a front view of a friction pad assembly for a disc brake according to a first embodiment of the present invention.
  • 2A is a right side view of FIG. 1
  • FIG. 2B is a rear view of FIG. 1
  • FIG. 2C is a sectional view taken along line BB of FIG. 2B.
  • 3 is a cross-sectional view taken along the line AA in FIG. 4
  • FIG. 5 is a cross-sectional view of the disc brake friction pad assembly shown in FIG. 1 attached to the brake pad mounting portion of the caliper.
  • FIG. 6 is a rear view of a modified example of the disc brake friction pad assembly shown in FIG.
  • FIG. 7 is a cross-sectional view of the modification shown in FIG. FIG.
  • FIG. 8 is an exploded perspective view of the modification shown in FIG.
  • FIG. 9 is a cross-sectional view of a disc brake friction pad assembly according to a second embodiment of the present invention.
  • 10 is an exploded perspective view of the disc brake friction pad assembly shown in FIG.
  • FIG. 11 is a cross-sectional view of a disc brake friction pad assembly according to a third embodiment of the present invention.
  • FIG. 12 is a cross-sectional view of a disc brake friction pad assembly according to a fourth embodiment of the present invention.
  • 13 is a cross-sectional view of a modified example of the disc brake friction pad assembly shown in FIG.
  • FIG. 14 is a sectional view of a disc brake friction pad assembly according to a fifth embodiment of the present invention.
  • a disc brake friction pad assembly (hereinafter simply referred to as a “friction pad assembly”) according to this embodiment is used in a disc brake device for a railway vehicle, and is opposed to a disc rotor on an axle.
  • the brake caliper that is disposed and fixed to the vehicle body frame is driven forward and backward toward the disc rotor by an actuator built in the brake caliper.
  • the disc brake friction pad assembly of the present invention is not limited to a disc brake device for a railway vehicle.
  • FIG. 1 is a front view of a friction pad assembly 100 according to a first embodiment of the present invention
  • FIG. 2A is a right side view of FIG. 1
  • FIG. 2B is a rear view of FIG.
  • FIG. 3C is a sectional view taken along the line BB in FIG. 2B
  • FIG. 3 is a sectional view taken along the line AA in FIG. 1
  • FIG. 4 is an exploded perspective view of the friction pad assembly 100 shown in FIG.
  • the friction pad assembly 100 according to the first embodiment includes a torque receiving plate 11 that is driven back and forth toward the disk rotor by an actuator (not shown), and a guide plate 13 that is connected and fixed to the disk rotor side of the torque receiving plate 11. And at least one (five in this embodiment) lining assemblies 15 fitted and supported on the guide plate 13 so as to be swingable.
  • the torque receiving plate 11 is attached to the guide plate 13 on which the lining assembly 15 is inserted and mounted.
  • the torque receiving plate 11 is fixed to the guide plate 13 by a rivet 19 with a gap S1 provided between the torque receiving plate 11 and the back plate portion 17 of the lining assembly 15.
  • the torque receiving plate 11 is formed in a thin dish shape covering the back side of the back plate portion 17 in order to open a gap S ⁇ b> 1 with the back plate portion 17.
  • an anchor plate 21 is fixedly mounted on the back surface 11 a of the torque receiving plate 11 with a rivet 23.
  • the anchor plate 21 is connected to a caliper pressing holder 25 connected to an actuator (not shown). Thereby, the friction pad assembly 100 can be driven back and forth to the disk rotor.
  • a plurality of guide hole portions 27 are formed in the guide plate 13 at predetermined spacing intervals, and the lining assembly 15 is attached to each guide hole portion 27.
  • the guide plate 13 is formed of a flat plate material having a predetermined plate thickness capable of receiving a braking torque that acts on the lining assembly 15 mounted in each guide hole 27 during braking.
  • the lining assembly 15 is swingably supported by the guide plate 13 that receives the braking torque, and is pressed against the disk rotor.
  • the lining assembly 15 includes a friction material 29 formed in a substantially disc shape, and a back plate portion 17 fixed to the back surface of the friction material 29.
  • the back plate portion 17 includes a plate fitting portion 31 that slidably fits in a circular guide hole portion 27 whose outer peripheral surface is formed through the guide plate 13, and an outer diameter that is larger than that of the guide hole portion 27.
  • the stop flange portion 33 is integrally formed.
  • the outer diameter of the friction material 29 is set smaller than the inner diameter of the guide hole 27 so that the guide hole 27 can be inserted.
  • the friction material 29 is pressed against the disk rotor during braking.
  • the plate fitting portion 31 is fitted in the guide hole portion 27, so that the braking torque acting when the friction material 29 is pressed against the disk rotor is applied from the plate fitting portion 31 to the guide plate 13. To communicate.
  • the plate fitting portion 31 is formed in a convex curved shape on the guide hole 27 side so that the swinging motion of the lining assembly 15 by sliding contact with the guide hole 27 is smooth. Thereby, the plate fitting part 31 is fitted in the guide hole part 27 provided in the guide plate 13 so that rocking is possible.
  • An annular spring member 35 is fitted to the plate fitting portion 31.
  • the spring member 35 is an annular leaf spring.
  • the outer diameter of the spring member 35 is set larger than that of the guide hole portion 27.
  • Each lining assembly 15 is inserted and attached to the guide hole 27 from the back side of the guide plate 13. Accordingly, the spring member 35 fitted to the plate fitting portion 31 is sandwiched between the guide plate 13 and the retaining flange portion 33.
  • the friction pad assembly 100 has a form in which a plurality of lining assemblies 15 are arranged in a plane.
  • the spring member 35 sandwiched between the retaining flange portion 33 of the lining assembly 15 and the guide plate 13 is elastically deformed to absorb the dimensional tolerance in the thickness direction of the lining assembly 15. To do.
  • each lining assembly 15 can maintain stable braking characteristics without being affected by dimensional tolerance in the thickness direction.
  • the torque receiving plate 11 fixed to the guide plate 13 is integrally formed with an anti-rotation restricting portion for restricting the rotation of the lining assembly 15.
  • the anti-rotation restricting portion includes a cut and raised piece 37.
  • the cut-and-raised piece 37 is formed on the torque receiving plate 11 so as to engage with a locking recess 39 formed on the back plate portion 17.
  • the cut-and-raised piece 37 is formed by punching the torque receiving plate 11 with a U-shaped punch or the like to form a U-shaped slit, and then, as shown in FIG. 4, the base end of the plate piece surrounded by the U-shaped slit is as shown in FIG. It is formed by bending (cutting up) perpendicularly to the torque receiving plate 11 toward the back plate portion 17.
  • the cut-and-raised piece 37 engages with a locking recess 39 formed in the back plate portion 17 to restrict the rotation of the lining assembly 15.
  • the locking recess 39 is a hole formed in the back plate portion 17. Note that the locking recess 39 is not limited to a hole.
  • the locking recess 39 may be a recess cut by a straight line (string) connecting two points in the circumferential direction of the circular back plate portion 17.
  • This recess serves as a locking recess 39 whose outer periphery of the back plate portion 17 is recessed inward in the radial direction.
  • the cut-and-raised piece 37 can also restrict the rotation of the lining assembly 15 by abutting against a locking recess 39 made of this recess.
  • the torque receiving plate 11 is formed with a convex portion 41 protruding toward the back plate portion 17.
  • the convex portion 41 can be formed by, for example, pressing.
  • the convex portion 41 supports the lining assembly 15 so as to be swingable.
  • the lining assembly 15 in which the central portion of the circular back plate portion 17 is supported by the convex portion 41 is supported so as to be swingable (pivotable) around the convex portion 41.
  • FIG. 5 is a cross-sectional view of the friction pad assembly 100 shown in FIG. 1 attached to the brake pad attachment portion 43 of the press holder 25 in the caliper.
  • the friction pad assembly 100 is attached to the caliper pressing holder 25.
  • An anchor plate 21 is fixed to the back surface 11 a of the torque receiving plate 11 of the friction pad assembly 100 by a rivet 23.
  • the anchor plate 21 is inserted into the dovetail-shaped fixing groove 45 formed on the brake pad mounting portion 43 (the mounting surface on the disk rotor side of the pressing holder 25) from the end of the groove. It is attached by being inserted.
  • the back surface 11a of the torque receiving plate 11 is in close contact with the brake pad mounting portion 43 of the pressing holder 25 of the caliper.
  • a plurality of openings 47 are formed in the back surface 11 a of the torque receiving plate 11.
  • This opening 47 is a rectangular opening after the cut and raised piece 37 is cut and raised in the U-shaped slit punched out to form the cut and raised piece 37.
  • the opening 47 has various opening shapes depending on the shape of the cut and raised piece 37.
  • the opening periphery of the opening 47 in the back surface 11 a is in close contact with the brake pad mounting portion 43, so that the opening 47 is closed by the brake pad mounting portion 43. Thereby, it is reliably suppressed that foreign matter enters the guide plate 13 from the back surface side of the torque receiving plate 11 through the opening 47.
  • the friction material 29 is projected to the front side of the guide plate 13 (left side in FIG. 3) in the guide hole portion 27 of the guide plate 13 set with the back surface facing upward.
  • the lining assembly 15 is inserted and mounted.
  • the spring member 35 is fitted into the plate fitting portion 31 of each lining assembly 15.
  • the spring member 35 is sandwiched between the guide plate 13 and the retaining flange portion 33.
  • the lining assembly 15 inserted and mounted in the guide hole portion 27 is in a state where the retaining flange portion 33 is in contact with the peripheral edge portion of the guide hole portion 27 via the spring member 35.
  • the torque receiving plate 11 is placed on the guide plate 13 with all the lining assemblies 15 mounted in the guide holes 27. At this time, the anchor plate 21 is fixed to the torque receiving plate 11 with rivets 23.
  • the convex portion 41 protruding from the torque receiving plate 11 comes into contact with the back plate portion 17 of the lining assembly 15.
  • the cut-and-raised piece 37 of the torque receiving plate 11 is engaged with the locking recess 39 of the back plate portion 17.
  • the outer peripheral portions of the guide plate 13 and the torque receiving plate 11 are clamped and fixed by the rivets 19 penetrating each other, and the assembly of the disc brake friction pad assembly is completed.
  • the spring member 35 is deformed by a predetermined preload, and is sandwiched between the guide plate 13 and the retaining flange portion 33. It becomes a state.
  • a cut-and-raised piece 37 that is a rotation preventing restricting portion for restricting the rotation of the lining assembly 15 is formed integrally with the torque receiving plate 11.
  • the cut-and-raised piece 37 formed integrally with the torque receiving plate 11 engages with the locking recess 39 of the lining assembly 15 and restricts the rotation of the lining assembly 15.
  • the cut-and-raised piece 37, which is the anti-rotation restricting portion directly between the lining assembly 15 and the torque receiving plate 11, the anti-rotation structure of the lining assembly 15 is reduced in the number of parts. It can be a simple structure.
  • the convex portion 41 arranged on the torque receiving plate 11 for supporting the lining assembly 15 so as to be swingable is formed on the back plate portion 17 of the lining assembly 15.
  • the lining assembly 15 can be swung freely.
  • the convex portions 41 can be pressed into the torque receiving plate 11 collectively at positions corresponding to the respective lining assemblies 15.
  • the torque receiving plate 11 is punched out with a punch to form a U-shaped slit, and then a plate piece surrounded by the U-shaped slit is connected to the torque receiving plate 11.
  • the cut and raised piece 37 is formed by being bent at the proximal end.
  • the torque receiving plate 11 has the back surface (surface opposite to the surface facing the back plate portion 17) 11 a in close contact with the brake pad mounting portion 43.
  • the caliper is attached to the pressing holder 25 of the caliper. Therefore, the opening 47 that is an opening after the torque receiving plate 11 is cut and raised to form the piece 37 is closed by the brake pad mounting portion 43. Thereby, it is possible to prevent foreign matter from entering the back plate portion 17 through the opening 47 from the outside of the torque receiving plate 11.
  • FIG. 6 is a rear view of a friction pad assembly 100A according to a modification of the friction pad assembly 100 shown in FIG. 1
  • FIG. 7 is a cross-sectional view of the modification shown in FIG. 6
  • FIG. 8 is a modification shown in FIG. It is a disassembled perspective view of an example.
  • the opening 47 that is an opening formed in the torque receiving plate 11 by the cut-and-raised piece 37 is sealed with a member that covers at least the opening 47 A stopper 61 is fitted.
  • the sealing plug 61 is made of, for example, a synthetic resin material or a metal.
  • a flange 63 is formed on the outer periphery of the sealing plug 61.
  • the sealing plug 61 When the sealing plug 61 is inserted into the opening 47 from the inside of the torque receiving plate 11 (upper side in FIG. 8), the flange 63 serves as a stopper and is fitted into the opening 47.
  • the sealing plug 61 may include a locking claw (not shown) that is locked to the opening edge of the opening 47. According to this friction pad assembly 100 ⁇ / b> A, the sealing plug 61 can prevent foreign matter from entering the back plate portion 17 through the opening 47 from the outside of the torque receiving plate 11.
  • FIG. 9 is a sectional view of a friction pad assembly 200 according to the second embodiment of the present invention
  • FIG. 10 is an exploded perspective view of the friction pad assembly 200 shown in FIG.
  • the same members as those shown in FIGS. 1 to 5 are denoted by the same reference numerals, and redundant description is omitted.
  • the back plate portion 49 is provided with a convex portion 50 for supporting the lining assembly 15 in a swingable manner. Therefore, as shown in FIG. 10, the torque receiving plate 51 in the friction pad assembly 200 is not formed with the convex portion 41 provided by the torque receiving plate 11 shown in FIG.
  • a damping layer 53 is provided between the back plate portion 49 and the torque receiving plate 51.
  • the attenuation layer 53 is formed with a uniform thickness.
  • the damping layer 53 is formed in a substantially similar shape to the torque receiving plate 51 by being along the peripheral wall on the inner surface of the torque receiving plate 51.
  • a plurality of avoidance holes 55 for avoiding interference with the cut and raised pieces 37 are formed. Thereby, the surface of the damping layer 53 becomes the same flat surface as the inner surface of the torque receiving plate 51.
  • the attenuation layer 53 is adhered to the inner surface of the torque receiving plate 51 by, for example, an adhesive layer (not shown).
  • the damping layer 53 for example, a laminated shim in which a metal support plate and an elastic material are laminated and laminated can be used.
  • the damping layer 53 has a laminated structure having an appropriate elastic modulus in the in-plane and perpendicular directions.
  • the laminated structure is made by laminating, for example, rubber as an elastic material, stainless steel plate as a metal support plate, adhesive material as an elastic material, cold-rolled steel plate as a metal support plate, and rubber as an elastic material in order. It can be a structure.
  • the damping layer 53 is not limited to the laminated structure of the present embodiment, and noise can be reduced by attenuating vibration propagating between the lining assembly 15 and the torque receiving plate 51. If it is a thing, various laminated structure or single layer structure can be taken.
  • the damping layer 53 is an opening formed in the torque receiving plate 51 by the cut and raised piece 37 by being provided between the torque receiving plate 51 and the back plate portion 49 in the friction pad assembly 200. This is a member that covers at least the opening 47.
  • the convex portion 50 disposed on the back plate portion 49 for supporting the lining assembly 15 in a swingable manner is provided on the torque receiving plate 51 via the damping layer 53. Supported, the lining assembly 15 can be made swingable.
  • the vibration propagating between the lining assembly 15 and the torque receiving plate 51 is attenuated by the damping layer 53.
  • the damping layer 53 contributes to noise reduction due to contact between the torque receiving plate 51 and the back plate portion 49. As a result, vibration generated during one braking process is attenuated, and squeal noise (so-called brake squeal) is suppressed.
  • an opening 47 that is an opening after the cut and raised piece 37 is cut and raised is provided between the torque receiving plate 51 and the back plate portion 49.
  • the attenuation layer 53 as a member covering the opening 47 is covered. Due to the damping layer 53, it is possible to prevent foreign matter from entering the back plate portion 49 through the opening 47 from the outside of the torque receiving plate 51.
  • FIG. 11 is a cross-sectional view of a friction pad assembly 300 according to the third embodiment of the present invention. Note that, in the third embodiment, the same members as those shown in FIGS. 1 to 10 are denoted by the same reference numerals, and redundant description is omitted.
  • At least one lining assembly 15 is swingably supported on the guide plate 13 that receives the braking torque, and the lining assembly 15 is pressed against the disk rotor.
  • the lining assembly 15 includes a friction material 29 that is pressed against the disk rotor during braking, and a back plate portion 17 that is fixed to the back surface of the friction material 29.
  • the back plate portion 17 includes a plate fitting portion 31 that is swingably fitted into a guide hole portion 27 provided in the guide plate 13.
  • the plate fitting portion 31 is inserted and mounted in the guide hole portion 27, and the braking torque acting when the friction material 29 is pressed against the disk rotor is transmitted from the plate fitting portion 31 to the guide plate 13.
  • the torque receiving plate 57 fixed to the guide plate 13 is provided with a convex portion 41 that supports the lining assembly 15 in a swingable manner.
  • the friction pad assembly 300 according to the third embodiment is different from the friction pad assemblies 100 and 200 described above in that the anti-rotation restricting portion is not an essential component of the torque receiving plate 57.
  • the friction pad assembly 300 is also different from the friction pad assembly 200 in that the damping layer 53 is attached to the back plate portion 17.
  • the friction pad assembly 300 may include a detent restricting portion.
  • Other configurations are substantially the same as those of the friction pad assembly 100.
  • the convex portion 41 disposed on the torque receiving plate 57 for swingably supporting the lining assembly 15 is provided with the lining assembly through the damping layer 53.
  • the lining assembly 15 can be made swingable. Since the convex portions 41 are collectively pressed at positions corresponding to the respective lining assemblies 15 on the torque receiving plate 57, the structure for supporting the lining assemblies 15 so as to be swingable is simple and inexpensive. Can be manufactured.
  • the vibration propagating between the lining assembly 15 and the torque receiving plate 57 is attenuated by the attenuation layer 53.
  • the attenuation layer 53 contributes to noise reduction due to contact between the torque receiving plate 57 and the back plate portion 17. As a result, vibration generated during one braking process is attenuated, and squeal noise (so-called brake squeal) is suppressed.
  • FIG. 12 is a sectional view of a friction pad assembly 400 according to the fourth embodiment of the present invention. Note that in the fourth embodiment, the same members as those shown in FIGS. 1 to 3 are denoted by the same reference numerals, and redundant description will be omitted.
  • the anti-rotation restricting portion is formed by a locking hole 71 formed in the torque receiving plate 69.
  • the locking hole 71 is an opening that engages with the protrusion 65 formed in the back plate portion 67.
  • the protrusion 65 is formed on the back plate portion 67 of the lining assembly 15 so as to protrude toward the torque receiving plate 69.
  • the protrusion 65 may be formed integrally with the back plate portion 67 or may be fixed separately to the back plate portion 67.
  • the convex portion 41 protrudes from the torque receiving plate 69.
  • the friction pad assembly 400 of the fourth embodiment can restrict the rotation of the lining assembly 15 by engaging the protrusion 65 of the lining assembly 15 with the locking hole 71 of the torque receiving plate 69. Therefore, it is not necessary to provide the cut and raised pieces 37 on the torque receiving plate 69. Further, the back plate portion 67 may omit the illustrated locking recess 39 with which the cut and raised piece 37 engages.
  • the protrusion 65 is formed on the back plate portion 67, and the locking hole 71 that engages with the protrusion 65 is formed on the torque receiving plate 69. That is, as in the case where the torque receiving plate 11 is cut and raised, the lining assembly 15 is constructed with a simple structure using only the back plate portion 67 and the torque receiving plate 69 without using separate members. Can prevent rotation.
  • the processing on the torque receiving plate 69 is only a punching operation for forming the locking hole 71 and an overhanging process for raising the convex portion 41. The torque receiving plate 69 can be easily processed as compared with the case where it is formed.
  • FIG. 13 is a cross-sectional view of a friction pad assembly 400A according to a modification of the friction pad assembly 400 shown in FIG.
  • a convex portion 70 for swinging and supporting the lining assembly 15 is formed on the back plate portion 73. Accordingly, the torque receiving plate 75 is formed with only the locking holes 71 with which the protrusions 65 are engaged, and the convex portions 41 are not formed.
  • the processing on the torque receiving plate 75 is only a punching operation for forming the locking hole 71, so that compared to the case where the cut and raised pieces 37 and the convex portions 41 are formed.
  • the processing of the torque receiving plate 75 can be further facilitated.
  • FIG. 14 is a cross-sectional view of a friction pad assembly 500 according to the fifth embodiment of the present invention. Note that in the fifth embodiment, the same members as those shown in FIGS. 1 to 3 are denoted by the same reference numerals, and redundant description will be omitted. As shown in FIG. 5, in the friction pad assembly 500 according to the fifth embodiment, the anchor plate 521 is fixed to the back surface 11a of the torque receiving plate 11 by rivets.
  • the anchor plate 521 is inserted into a dovetail-shaped fixing groove 545 formed on a brake pad mounting portion 543 (a mounting surface on the disk rotor side of the pressing holder 525) in the pressing holder 525 of the caliper from the end of the groove. It is attached by being inserted.
  • the back surface 521a of the anchor plate 521 contacts the bottom surface 545a of the fixing groove 545 of the pressing holder 525 of the caliper and is pressed against the disk rotor.
  • a gap (G) is formed between the back surface 11 a of the torque receiving plate 11 and the brake pad mounting portion 543.
  • the torque receiving plate 11 has a plurality of openings 47 opened on the back surface 11a covered by the brake pad mounting portion 543 with the back surface 11a having a slight gap (G) between the back surface 11a and the brake pad mounting portion 543. Is called. Therefore, in the friction pad assembly 500 according to the fifth embodiment, when the brake pad mounting portion 543 covers the opening 47, foreign matter passes from the back surface side of the torque receiving plate 11 through the opening 47 and contacts the guide plate 13. It is suppressed to enter between. Therefore, according to the friction pad assembly 100, 100A, 200, 400, 400A, 500 according to the present embodiment, the detent structure of the lining assembly 15 can be realized with a small number of parts and at a low cost. Further, according to the friction pad assembly 100, 100A, 300, 400, 500 according to the present embodiment, the structure that supports the lining assembly 15 in a swingable manner can be realized with a small number of parts and at a low cost.
  • the disc brake friction pad assembly of the present invention is not limited to the above-described embodiment, and appropriate modifications and improvements can be made based on the gist of the present invention.
  • the number of unit friction pad assemblies to be configured may be one or three or more.
  • a disc brake friction pad in which at least one lining assembly (15) is swingably supported by a guide plate (13) that receives a braking torque, and the lining assembly (15) is pressed against the disc rotor.
  • the lining assembly (15) A friction material (29) pressed against the disk rotor during braking; and a back plate portion (17, 67, 73) fixed to the back surface of the friction material (29); and the back plate portion (17 , 67, 73) includes a plate fitting portion (31) that is swingably fitted into a guide hole portion (27) provided in the guide plate (13), The plate fitting portion (31) is fitted into the guide hole portion (27), and braking torque acting when the friction material (29) is pressed against the disc rotor is transmitted from the plate fitting portion (31).
  • the torque receiving plate (11, 51, 69, 75) fixed to the guide plate (13) is provided with a non-rotating restricting portion (a cut-and-raised piece 37, an engaging portion) for restricting the rotation of the lining assembly (15).
  • a disc brake friction pad assembly (100, 100A, 200, 400, 400A, 500) in which a hole 71) is integrally formed.
  • the disc brake friction pad assembly according to [1] above, The torque receiving plate (11, 69) has a disc brake friction pad assembly (100, 100A, 400, 400) in which a convex portion (41) for swingably supporting the lining assembly (15) is arranged. 500).
  • the lining assembly (15) The friction material (29) pressed against the disk rotor during braking, and a back plate portion (17) fixed to the back surface of the friction material (29), and the back plate portion (17)
  • the plate fitting portion (31) is inserted and mounted in the guide hole portion (27), and braking torque acting when the friction material (29) is pressed against the disc rotor is transmitted from the plate fitting portion (31).
  • a disc brake friction pad assembly in which a torque receiving plate (57) fixed to the guide plate (13) is provided with a convex portion (41) for swingably supporting the lining assembly (15). (300).
  • the anti-rotation structure of the lining assembly or the structure that supports the lining assembly in a swingable manner can be realized at a low cost with few parts.

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

Abstract

A lining assembly (15) of this friction pad assembly (100) for a disk brake has a rear plate part (17) fixed to the rear surface of a friction material (29) pressed against a disk rotor, and has, on the rear plate part (17), a plate fitting part (31) which is rockably fitted into a guide hole part (27) of a guide plate (13). The plate fitting part (31) is fitted into the guide hole part (27) so that brake torque generated when the friction material (29) is pressed against the disk rotor is transmitted from the plate fitting part (31) to the guide plate (13). A raised cut piece (37) that restricts the rotation of the lining assembly (15) is integrally formed on a torque receiving plate (11) fixed to the guide plate (13).

Description

ディスクブレーキ用摩擦パッド組立て体Friction pad assembly for disc brake
　本発明は、ディスクブレーキ用摩擦パッド組立て体に関する。 The present invention relates to a friction pad assembly for a disc brake.
　例えば鉄道車両用のディスクブレーキ装置は、車軸に固定されるディスクロータと、このディスクロータに対峙して配置されるトルク受けプレートのディスクロータ側の面にライニング組立体を組み付けたディスクブレーキ用摩擦パッド組立て体と、トルク受けプレートをディスクロータに向かって進退駆動するアクチュエータを内蔵して車体フレームに固定されるブレーキキャリパとを備える。ディスクブレーキ装置は、トルク受けプレートをディスクロータ側に進出させてライニング組立体がディスクロータへ押圧された時の摺動摩擦によって制動力を発生する。 For example, a disc brake device for a railway vehicle includes a disc rotor fixed to an axle, and a disc brake friction pad in which a lining assembly is assembled on a disc rotor side surface of a torque receiving plate arranged to face the disc rotor. The assembly includes a brake caliper that includes an actuator that drives the torque receiving plate to advance and retract toward the disc rotor and is fixed to the vehicle body frame. The disc brake device generates a braking force by sliding friction when the torque receiving plate is advanced to the disc rotor side and the lining assembly is pressed against the disc rotor.
　ところで、上記ディスクブレーキ装置は、ディスクロータとの接触によってライニング組立体が不用意に回転すると、それにより制動トルクの伝達にロスが発生したり、ブレーキノイズが発生したりするため、ライニング組立体の回転を規制する回転防止機構（回り止め構造）が必要になる。特許文献１に開示されるディスクブレーキ用摩擦パッド組立て体は、ライニング組立体を揺動自在に支持するガイドプレートの内面とバックプレート（トルク受けプレート）の内面との間に回転規制板を固定し、該回転規制板を裏板部の抜け止めフランジに係合させることでライニング組立体の回転を規制する回転防止機構を構成している。 By the way, in the above-described disc brake device, if the lining assembly rotates carelessly due to contact with the disc rotor, this causes loss of transmission of braking torque or brake noise. An anti-rotation mechanism (anti-rotation structure) that restricts rotation is required. In the friction pad assembly for a disc brake disclosed in Patent Document 1, a rotation restricting plate is fixed between an inner surface of a guide plate that supports the lining assembly in a swingable manner and an inner surface of a back plate (torque receiving plate). The rotation restricting plate is engaged with the retaining flange of the back plate portion to constitute a rotation preventing mechanism for restricting the rotation of the lining assembly.
日本国特開２０１４－２１１１９６号公報Japanese Unexamined Patent Publication No. 2014-211196
　しかしながら、上記特許文献１に開示された回転防止機構のように、ガイドプレートの内面とトルク受けプレートの内面との間に回転規制板を固定した場合には、部品点数及び重量が増え、製作コストも増大した。
　また、ライニング組立体を揺動自在に支持するため、バックプレートに当接する当接曲面部を裏板部や嵌着板に突出して形成した場合には、切削加工が必要となり加工コストが増えたり、部品点数が増えたりして製作コストが増大する。 However, when the rotation restricting plate is fixed between the inner surface of the guide plate and the inner surface of the torque receiving plate as in the rotation preventing mechanism disclosed in Patent Document 1, the number of parts and the weight increase, and the manufacturing cost is increased. Also increased.
In addition, in order to support the lining assembly in a swingable manner, if the abutting curved surface portion that abuts the back plate protrudes from the back plate portion or the fitting plate, cutting is necessary, which increases the processing cost. The production cost increases due to an increase in the number of parts.
　本発明は上記状況に鑑みてなされたもので、その目的は、ライニング組立体の回り止め構造又はライニング組立体を揺動自在に支持する構造を、少ない部品で、安価に実現できるディスクブレーキ用摩擦パッド組立て体を提供することにある。 SUMMARY OF THE INVENTION The present invention has been made in view of the above situation, and an object of the present invention is to provide friction for disc brakes that can be realized at low cost with a small number of parts, such as a detent structure of the lining assembly or a structure that supports the lining assembly in a swingable manner. It is to provide a pad assembly.
　本発明に係る上記目的は、下記構成により達成される。
（１）　制動トルクを受けるガイドプレートに少なくとも１つのライニング組立体が揺動自在に支持されて、前記ライニング組立体がディスクロータへ押圧されるディスクブレーキ用摩擦パッド組立て体であって、前記ライニング組立体は、制動時に前記ディスクロータに押圧される摩擦材と、前記摩擦材の裏面に固着された裏板部とを有し、かつ前記裏板部には、前記ガイドプレートに設けられたガイド孔部に揺動自在に嵌合されるプレート嵌合部を備え、前記プレート嵌合部が前記ガイド孔部に嵌合され、前記ディスクロータに前記摩擦材が押圧された時に作用する制動トルクを前記プレート嵌合部から前記ガイドプレートに伝達し、前記ガイドプレートに固着されたトルク受けプレートには、前記ライニング組立体の回転を規制する回り止め規制部が一体形成されているディスクブレーキ用摩擦パッド組立て体。 The above object of the present invention is achieved by the following configuration.
(1) A disc brake friction pad assembly in which at least one lining assembly is swingably supported by a guide plate that receives a braking torque, and the lining assembly is pressed against a disc rotor. The solid body has a friction material pressed against the disk rotor during braking, and a back plate portion fixed to the back surface of the friction material, and the back plate portion has a guide hole provided in the guide plate. A plate fitting portion that is swingably fitted to the portion, the plate fitting portion is fitted into the guide hole portion, and a braking torque that acts when the friction material is pressed against the disk rotor is The torque receiving plate that is transmitted from the plate fitting portion to the guide plate and is fixed to the guide plate has a rotation that restricts the rotation of the lining assembly. A disc brake friction pad assembly in which a stop regulating portion is integrally formed.
　上記（１）の構成のディスクブレーキ用摩擦パッド組立て体によれば、ライニング組立体の回転を規制するための回り止め規制部が、トルク受けプレートに一体形成される。トルク受けプレートに一体形成された回り止め規制部は、ライニング組立体に係合し、ライニング組立体の回転を規制する。ライニング組立体とトルク受けプレートの間に、回り止め規制部が直接配置されることにより、ライニング組立体の回り止め構造を少ない部品点数で、簡素な構造にできる。 According to the disc brake friction pad assembly configured as described in (1) above, the anti-rotation restricting portion for restricting the rotation of the lining assembly is formed integrally with the torque receiving plate. The anti-rotation restricting portion formed integrally with the torque receiving plate engages with the lining assembly and restricts the rotation of the lining assembly. By directly arranging the anti-rotation restricting portion between the lining assembly and the torque receiving plate, the anti-rotation structure of the lining assembly can be simplified with a small number of parts.
（２）　前記トルク受けプレートには、前記ライニング組立体を揺動可能に支持する凸部が配置されている上記（１）に記載のディスクブレーキ用摩擦パッド組立て体。 (2) The disc brake friction pad assembly according to (1), wherein the torque receiving plate is provided with a convex portion that supports the lining assembly in a swingable manner.
　上記（２）の構成のディスクブレーキ用摩擦パッド組立て体によれば、ライニング組立体を揺動自在に支持するためトルク受けプレートに配置された凸部がライニング組立体の裏板部に当接し、ライニング組立体を揺動自在とすることができる。また、本構成例によれば、ライニング組立体が複数であっても、それぞれのライニング組立体に対応する位置に、一括してトルク受けプレートに凸部をプレス加工できる。これにより、ライニング組立体を揺動自在に支持する構造を、簡素な構造で安価に製造できる。 According to the disc brake friction pad assembly of the above configuration (2), the convex portion disposed on the torque receiving plate for supporting the lining assembly in a swingable manner contacts the back plate portion of the lining assembly, The lining assembly can be made swingable. Further, according to the present configuration example, even if there are a plurality of lining assemblies, the convex portions can be pressed on the torque receiving plate at a position corresponding to each lining assembly. Thereby, the structure which supports the lining assembly in a swingable manner can be manufactured at a low cost with a simple structure.
（３）　前記裏板部には、前記ライニング組立体を揺動可能に支持する凸部が配置されている上記（１）に記載のディスクブレーキ用摩擦パッド組立て体。 (3) The disc brake friction pad assembly according to (1), wherein a convex portion that supports the lining assembly to be swingable is disposed on the back plate portion.
　上記（３）の構成のディスクブレーキ用摩擦パッド組立て体によれば、ライニング組立体を揺動自在に支持するため裏板部に配置された凸部がトルク受けプレートに当接し、ライニング組立体を揺動自在とすることができる。 According to the disc brake friction pad assembly configured as described in (3) above, the convex portion disposed on the back plate portion abuts against the torque receiving plate so as to swingably support the lining assembly, and the lining assembly is It can be made swingable.
（４）　前記裏板部と前記トルク受けプレートとの間に、減衰層が設けられている上記（２）又は（３）に記載のディスクブレーキ用摩擦パッド組立て体。 (4) The friction pad assembly for a disc brake according to (2) or (3), wherein a damping layer is provided between the back plate portion and the torque receiving plate.
　上記（４）の構成のディスクブレーキ用摩擦パッド組立て体によれば、ライニング組立体とトルク受けプレートとの間を伝搬する振動が、減衰層により減衰する。減衰層は、トルク受けプレートと裏板部との接触によるノイズの低減に寄与する。これにより、１回の制動過程時に生じる振動が減衰され、スキール騒音（所謂ブレーキ鳴き）が抑制される。 According to the disc brake friction pad assembly configured as described in (4) above, the vibration propagating between the lining assembly and the torque receiving plate is attenuated by the damping layer. The damping layer contributes to noise reduction due to contact between the torque receiving plate and the back plate portion. As a result, vibration generated during one braking process is attenuated, and squeal noise (so-called brake squeal) is suppressed.
（５）　前記回り止め規制部が、前記裏板部に形成された係止凹部に係合するように前記トルク受けプレートに形成された切り起し片である上記（１）～（４）の何れか１つに記載のディスクブレーキ用摩擦パッド組立て体。 (5) The anti-rotation restricting portion is a cut-and-raised piece formed on the torque receiving plate so as to engage with a locking recess formed on the back plate portion. The friction pad assembly for disc brakes according to any one of the above.
　上記（５）の構成のディスクブレーキ用摩擦パッド組立て体によれば、トルク受けプレートに切り起し片を形成することにより、別部材を使用せずに、打ち抜き、曲げ作業の一連のプレス加工により、回り止め規制部を簡単にトルク受けプレートに一体形成できる。 According to the disc brake friction pad assembly of the above configuration (5), by forming a cut and raised piece on the torque receiving plate, a series of stamping and bending operations can be performed without using a separate member. The anti-rotation restricting portion can be easily formed integrally with the torque receiving plate.
（６）　前記トルク受けプレートと前記裏板部との間には、前記切り起し片により前記トルク受けプレートに形成された開口を少なくとも覆う部材が設けられている上記（５）に記載のディスクブレーキ用摩擦パッド組立て体。 (6) The disk according to (5), wherein a member that covers at least an opening formed in the torque receiving plate by the cut and raised piece is provided between the torque receiving plate and the back plate portion. Brake friction pad assembly.
　上記（６）の構成のディスクブレーキ用摩擦パッド組立て体によれば、切り起し片を切り起した開口が、トルク受けプレートと裏板部との間に設けられた部材により覆われる。この部材により、トルク受けプレートの外部から異物が、開口を通り裏板部との間に侵入するのを抑制できる。 According to the disc brake friction pad assembly configured as described above in (6), the opening from which the cut and raised piece is cut is covered by the member provided between the torque receiving plate and the back plate. By this member, it is possible to suppress foreign matters from entering the rear plate portion through the opening from the outside of the torque receiving plate.
（７）　前記回り止め規制部が、前記裏板部に形成された突起に係合するように前記トルク受けプレートに形成された開口である上記（１）～（３）の何れか１つに記載のディスクブレーキ用摩擦パッド組立て体。 (7) In any one of the above (1) to (3), the anti-rotation restricting portion is an opening formed in the torque receiving plate so as to engage with a protrusion formed on the back plate portion. The friction brake assembly for a disc brake as described.
　上記（７）の構成のディスクブレーキ用摩擦パッド組立て体によれば、裏板部に突起が形成され、この突起に係合する開口がトルク受けプレートに形成される。即ち、トルク受けプレートに切り起し片を設けた場合と同様に、別部材を用いずに、裏板部とトルク受けプレートのみを用いた簡素な構造で、ライニング組立体を回り止めすることができる。また、この構成例によれば、トルク受けプレートへの加工が開口を形成するための打ち抜き作業のみとなるので、切り起し片を形成する場合に比べ、トルク受けプレートの加工が容易となる。 According to the disc brake friction pad assembly configured as described in (7) above, a protrusion is formed on the back plate portion, and an opening that engages with the protrusion is formed on the torque receiving plate. That is, the lining assembly can be prevented from rotating with a simple structure using only the back plate portion and the torque receiving plate without using separate members, as in the case where the torque receiving plate is cut and raised. it can. Further, according to this configuration example, the processing of the torque receiving plate is only a punching operation for forming the opening, so that the processing of the torque receiving plate is facilitated as compared with the case of forming the cut and raised pieces.
（８）　制動トルクを受けるガイドプレートに少なくとも１つのライニング組立体が揺動自在に支持されて、前記ライニング組立体がディスクロータへ押圧されるディスクブレーキ用摩擦パッド組立て体であって、前記ライニング組立体は、制動時に前記ディスクロータに押圧される摩擦材と、前記摩擦材の裏面に固着された裏板部とを有し、かつ前記裏板部には、前記ガイドプレートに設けられたガイド孔部に揺動自在に嵌合されるプレート嵌合部を備え、前記プレート嵌合部が前記ガイド孔部に挿入装着され、前記ディスクロータに前記摩擦材が押圧された時に作用する制動トルクを前記プレート嵌合部から前記ガイドプレートに伝達し、前記ガイドプレートに固着されたトルク受けプレートには、前記ライニング組立体を揺動可能に支持する凸部が配置されているディスクブレーキ用摩擦パッド組立て体。 (8) A disc brake friction pad assembly in which at least one lining assembly is swingably supported by a guide plate that receives a braking torque, and the lining assembly is pressed against a disc rotor, the lining assembly The solid body has a friction material pressed against the disk rotor during braking, and a back plate portion fixed to the back surface of the friction material, and the back plate portion has a guide hole provided in the guide plate. A plate fitting portion that is swingably fitted to the portion, the plate fitting portion is inserted and mounted in the guide hole portion, and the braking torque that acts when the friction material is pressed against the disk rotor is The lining assembly is swingably supported by a torque receiving plate that is transmitted from the plate fitting portion to the guide plate and is fixed to the guide plate. Friction pad assembly for a disc brake in which the convex portion is arranged to be.
　上記（８）の構成のディスクブレーキ用摩擦パッド組立て体によれば、ライニング組立体を揺動自在に支持するためトルク受けプレートに配置された凸部がライニング組立体の裏板部に当接し、ライニング組立体を揺動自在とすることができる。また、本構成例によれば、ライニング組立体が複数であっても、それぞれのライニング組立体に対応する位置に、一括して凸部をトルク受けプレートにプレス加工できる。これにより、ライニング組立体を揺動自在に支持する構造を、簡素な構造で安価に製造できる。 According to the disc brake friction pad assembly of the above configuration (8), the convex portion disposed on the torque receiving plate for swingably supporting the lining assembly abuts on the back plate portion of the lining assembly, The lining assembly can be made swingable. Further, according to the present configuration example, even when there are a plurality of lining assemblies, the convex portions can be collectively pressed into the torque receiving plate at positions corresponding to the respective lining assemblies. Thereby, the structure which supports the lining assembly in a swingable manner can be manufactured at a low cost with a simple structure.
（９）　前記トルク受けプレートに形成された開口は、前記ディスクブレーキ用摩擦パッド組立て体が取り付けられるキャリパーのブレーキパッド取付部に装着されたときに、前記ブレーキパッド取付部により覆われる上記（５）～（７８）の何れか１つに記載のディスクブレーキ用摩擦パッド組立て体。 (9) The opening formed in the torque receiving plate is covered by the brake pad mounting portion when the brake pad mounting portion of a caliper to which the disc brake friction pad assembly is mounted is covered by the brake pad mounting portion. The friction pad assembly for disc brakes according to any one of (78) to (78).
　上記（９）の構成のディスクブレーキ用摩擦パッド組立て体によれば、トルク受けプレートは、裏面（裏板部が対向する面と反対側の面）が、ブレーキパッド取付部に覆われるようにキャリパーに装着される。そこで、例えばトルク受けプレートに切り起し片を形成した後の開口や、裏板部に形成された突起に係合するように形成された開口は、ブレーキパッド取付部により覆われる。これにより、トルク受けプレートの外部から異物が、開口を通り裏板部との間に侵入するのを抑制できる。 According to the disc brake friction pad assembly configured as described in (9) above, the torque receiving plate has a caliper so that the back surface (the surface opposite to the surface facing the back plate portion) is covered with the brake pad mounting portion. It is attached to. Therefore, for example, the opening after cutting and raising the torque receiving plate and the opening formed so as to engage with the protrusion formed on the back plate portion are covered with the brake pad mounting portion. Thereby, it can suppress that a foreign material penetrate | invades from the exterior of a torque receiving plate between opening and a backplate part.
（１０）　前記トルク受けプレートに形成された開口の開口周縁は、前記ディスクブレーキ用摩擦パッド組立て体が取り付けられるキャリパーのブレーキパッド取付部に密着する上記（９）に記載のディスクブレーキ用摩擦パッド組立て体。 (10) The disk brake friction pad assembly according to (9), wherein an opening peripheral edge of the opening formed in the torque receiving plate is in close contact with a brake pad mounting portion of a caliper to which the disk brake friction pad assembly is mounted. body.
　上記（１０）の構成のディスクブレーキ用摩擦パッド組立て体によれば、トルク受けプレートは、裏面（裏板部が対向する面と反対側の面）における開口の開口周縁が、ブレーキパッド取付部に密着するようにキャリパーに装着される。そこで、例えばトルク受けプレートに切り起し片を形成した後の開口や、裏板部に形成された突起に係合するように形成された開口は、ブレーキパッド取付部により塞がれる。これにより、トルク受けプレートの外部から異物が、開口を通り裏板部との間に侵入するのを確実に抑制できる。 According to the disc brake friction pad assembly configured as described in (10) above, the torque receiving plate has an opening peripheral edge of the back surface (the surface opposite to the surface facing the back plate portion) at the brake pad mounting portion. It is attached to the caliper so that it is in close contact. Therefore, for example, the opening after the torque receiving plate is cut and raised and the opening formed to engage with the protrusion formed on the back plate is closed by the brake pad mounting portion. Thereby, it can suppress reliably that a foreign material penetrate | invades between a backplate part through the opening from the exterior of a torque receiving plate.
　本発明に係るディスクブレーキ用摩擦パッド組立て体によれば、ライニング組立体の回り止め構造又はライニング組立体を揺動自在に支持する構造を、少ない部品で、安価に実現できる。 According to the friction pad assembly for a disc brake according to the present invention, the anti-rotation structure of the lining assembly or the structure for swingably supporting the lining assembly can be realized with a small number of parts at low cost.
　以上、本発明について簡潔に説明した。更に、以下に説明される発明を実施するための形態（以下、「実施形態」という。）を添付の図面を参照して通読することにより、本発明の詳細は更に明確化されるであろう。 The present invention has been briefly described above. Further, the details of the present invention will be further clarified by reading through a mode for carrying out the invention described below (hereinafter referred to as “embodiment”) with reference to the accompanying drawings. .
図１は、本発明の第１実施形態に係るディスクブレーキ用摩擦パッド組立て体の正面図である。FIG. 1 is a front view of a friction pad assembly for a disc brake according to a first embodiment of the present invention. 図２の（ａ）は図１の右側面図、図２の（ｂ）は図１の背面図、図２の（ｃ）は図２の（ｂ）のＢ－Ｂ断面図である。2A is a right side view of FIG. 1, FIG. 2B is a rear view of FIG. 1, and FIG. 2C is a sectional view taken along line BB of FIG. 2B. 図３は、図１のＡ－Ａ断面図である。3 is a cross-sectional view taken along the line AA in FIG. 図４は、図１に示したディスクブレーキ用摩擦パッド組立て体の分解斜視図である。4 is an exploded perspective view of the disc brake friction pad assembly shown in FIG. 図５は、キャリパーのブレーキパッド取付部に取り付けられた図１に示すディスクブレーキ用摩擦パッド組立て体の断面図である。5 is a cross-sectional view of the disc brake friction pad assembly shown in FIG. 1 attached to the brake pad mounting portion of the caliper. 図６は、図１に示したディスクブレーキ用摩擦パッド組立て体の変形例の背面図である。FIG. 6 is a rear view of a modified example of the disc brake friction pad assembly shown in FIG. 図７は、図６に示した変形例の断面図である。FIG. 7 is a cross-sectional view of the modification shown in FIG. 図８は、図６に示した変形例の分解斜視図である。FIG. 8 is an exploded perspective view of the modification shown in FIG. 図９は、本発明の第２実施形態に係るディスクブレーキ用摩擦パッド組立て体の断面図である。FIG. 9 is a cross-sectional view of a disc brake friction pad assembly according to a second embodiment of the present invention. 図１０は、図９に示したディスクブレーキ用摩擦パッド組立て体の分解斜視図である。10 is an exploded perspective view of the disc brake friction pad assembly shown in FIG. 図１１は、本発明の第３実施形態に係るディスクブレーキ用摩擦パッド組立て体の断面図である。FIG. 11 is a cross-sectional view of a disc brake friction pad assembly according to a third embodiment of the present invention. 図１２は、本発明の第４実施形態に係るディスクブレーキ用摩擦パッド組立て体の断面図である。FIG. 12 is a cross-sectional view of a disc brake friction pad assembly according to a fourth embodiment of the present invention. 図１３は、図１２に示したディスクブレーキ用摩擦パッド組立て体の変形例の断面図である。13 is a cross-sectional view of a modified example of the disc brake friction pad assembly shown in FIG. 図１４は、本発明の第５実施形態に係るディスクブレーキ用摩擦パッド組立て体の断面図である。FIG. 14 is a sectional view of a disc brake friction pad assembly according to a fifth embodiment of the present invention.
　以下、本発明に係る実施形態を図面を参照して説明する。
　本実施形態に係るディスクブレーキ用摩擦パッド組立て体（以下、単に「摩擦パッド組立て体」と言う）は、鉄道車両用のディスクブレーキ装置に使用されるもので、車軸上のディスクロータに対峙して配置され、車体フレームに固定されたブレーキキャリパに内蔵のアクチュエータによりディスクロータに向かって進退駆動される。勿論、本発明のディスクブレーキ用摩擦パッド組立て体は、鉄道車両用のディスクブレーキ装置に限定されるものではない。 Embodiments according to the present invention will be described below with reference to the drawings.
A disc brake friction pad assembly (hereinafter simply referred to as a “friction pad assembly”) according to this embodiment is used in a disc brake device for a railway vehicle, and is opposed to a disc rotor on an axle. The brake caliper that is disposed and fixed to the vehicle body frame is driven forward and backward toward the disc rotor by an actuator built in the brake caliper. Of course, the disc brake friction pad assembly of the present invention is not limited to a disc brake device for a railway vehicle.
［第１実施形態］
　図１は本発明の第１実施形態に係る摩擦パッド組立て体１００の正面図、図２の（ａ）は図１の右側面図、図２の（ｂ）は図１の背面図、図２の（ｃ）は図２の（ｂ）のＢ－Ｂ断面図、図３は図１のＡ－Ａ断面図、図４は図１に示した摩擦パッド組立て体１００の分解斜視図である。
　本第１実施形態に係る摩擦パッド組立て体１００は、不図示のアクチュエータによってディスクロータに向かって進退駆動されるトルク受けプレート１１と、トルク受けプレート１１のディスクロータ側に連結固定されるガイドプレート１３と、ガイドプレート１３に揺動可能に嵌合支持された少なくとも１つ（本実施形態では５個）のライニング組立体１５と、を備えている。 [First Embodiment]
1 is a front view of a friction pad assembly 100 according to a first embodiment of the present invention, FIG. 2A is a right side view of FIG. 1, FIG. 2B is a rear view of FIG. FIG. 3C is a sectional view taken along the line BB in FIG. 2B, FIG. 3 is a sectional view taken along the line AA in FIG. 1, and FIG. 4 is an exploded perspective view of the friction pad assembly 100 shown in FIG.
The friction pad assembly 100 according to the first embodiment includes a torque receiving plate 11 that is driven back and forth toward the disk rotor by an actuator (not shown), and a guide plate 13 that is connected and fixed to the disk rotor side of the torque receiving plate 11. And at least one (five in this embodiment) lining assemblies 15 fitted and supported on the guide plate 13 so as to be swingable.
　トルク受けプレート１１は、ライニング組立体１５を挿入装着したガイドプレート１３に取り付けられる。トルク受けプレート１１は、ライニング組立体１５の裏板部１７との間に間隙Ｓ１を開けて、リベット１９によりガイドプレート１３に固着される。トルク受けプレート１１は、裏板部１７との間に間隙Ｓ１を開けるため、裏板部１７の背面側を覆う薄皿状に成形されている。 The torque receiving plate 11 is attached to the guide plate 13 on which the lining assembly 15 is inserted and mounted. The torque receiving plate 11 is fixed to the guide plate 13 by a rivet 19 with a gap S1 provided between the torque receiving plate 11 and the back plate portion 17 of the lining assembly 15. The torque receiving plate 11 is formed in a thin dish shape covering the back side of the back plate portion 17 in order to open a gap S <b> 1 with the back plate portion 17.
　トルク受けプレート１１の裏面１１ａには、図２及び図３に示すように、アンカープレート２１がリベット２３により固定装備されている。このアンカープレート２１が、アクチュエータ（図示略）に連結されたキャリパーの押圧ホルダー２５に連結される。これにより、摩擦パッド組立て体１００は、ディスクロータへの進退駆動が可能になる。 As shown in FIGS. 2 and 3, an anchor plate 21 is fixedly mounted on the back surface 11 a of the torque receiving plate 11 with a rivet 23. The anchor plate 21 is connected to a caliper pressing holder 25 connected to an actuator (not shown). Thereby, the friction pad assembly 100 can be driven back and forth to the disk rotor.
　ガイドプレート１３は、図１に示すように、ガイド孔部２７が所定の離間間隔で複数（５孔）形成されており、各ガイド孔部２７にライニング組立体１５が装着される。ガイドプレート１３は、制動時に各ガイド孔部２７に装着されたライニング組立体１５に作用する制動トルクを受け止めることができる所定の板厚を有した平板材で形成される。 As shown in FIG. 1, a plurality of guide hole portions 27 (five holes) are formed in the guide plate 13 at predetermined spacing intervals, and the lining assembly 15 is attached to each guide hole portion 27. The guide plate 13 is formed of a flat plate material having a predetermined plate thickness capable of receiving a braking torque that acts on the lining assembly 15 mounted in each guide hole 27 during braking.
　ライニング組立体１５は、制動トルクを受けるガイドプレート１３に揺動自在に支持されて、ディスクロータへ押圧される。ライニング組立体１５は、略円板状に成型された摩擦材２９と、この摩擦材２９の裏面に固着された裏板部１７とから構成されている。裏板部１７には、外周面がガイドプレート１３に貫通形成された円形のガイド孔部２７に揺動自在に嵌合するプレート嵌合部３１と、ガイド孔部２７よりも大きな外径の抜け止めフランジ部３３と、が一体形成されている。 The lining assembly 15 is swingably supported by the guide plate 13 that receives the braking torque, and is pressed against the disk rotor. The lining assembly 15 includes a friction material 29 formed in a substantially disc shape, and a back plate portion 17 fixed to the back surface of the friction material 29. The back plate portion 17 includes a plate fitting portion 31 that slidably fits in a circular guide hole portion 27 whose outer peripheral surface is formed through the guide plate 13, and an outer diameter that is larger than that of the guide hole portion 27. The stop flange portion 33 is integrally formed.
　摩擦材２９は、ガイド孔部２７を挿通可能なように、外径がガイド孔部２７の内径よりも小さく設定されている。摩擦材２９は、制動時にディスクロータに押圧される。ライニング組立体１５は、プレート嵌合部３１がガイド孔部２７に嵌合されていることで、ディスクロータに摩擦材２９が押圧された時に作用する制動トルクをプレート嵌合部３１からガイドプレート１３に伝達する。 The outer diameter of the friction material 29 is set smaller than the inner diameter of the guide hole 27 so that the guide hole 27 can be inserted. The friction material 29 is pressed against the disk rotor during braking. In the lining assembly 15, the plate fitting portion 31 is fitted in the guide hole portion 27, so that the braking torque acting when the friction material 29 is pressed against the disk rotor is applied from the plate fitting portion 31 to the guide plate 13. To communicate.
　プレート嵌合部３１は、ガイド孔部２７との摺接によるライニング組立体１５の揺動動作が円滑になるように、ガイド孔部２７側に凸の曲面状に形成されている。これにより、プレート嵌合部３１は、ガイドプレート１３に設けられたガイド孔部２７に揺動自在に嵌合される。 The plate fitting portion 31 is formed in a convex curved shape on the guide hole 27 side so that the swinging motion of the lining assembly 15 by sliding contact with the guide hole 27 is smooth. Thereby, the plate fitting part 31 is fitted in the guide hole part 27 provided in the guide plate 13 so that rocking is possible.
　プレート嵌合部３１には、環状のバネ部材３５が嵌着される。バネ部材３５は、円環状の板ばねよりなる。バネ部材３５の外径は、ガイド孔部２７よりも大きく設定されている。各ライニング組立体１５は、ガイドプレート１３の裏面側からガイド孔部２７に挿入装着される。従って、プレート嵌合部３１に嵌着されたバネ部材３５は、ガイドプレート１３と抜け止めフランジ部３３との間に挟まれる。 An annular spring member 35 is fitted to the plate fitting portion 31. The spring member 35 is an annular leaf spring. The outer diameter of the spring member 35 is set larger than that of the guide hole portion 27. Each lining assembly 15 is inserted and attached to the guide hole 27 from the back side of the guide plate 13. Accordingly, the spring member 35 fitted to the plate fitting portion 31 is sandwiched between the guide plate 13 and the retaining flange portion 33.
　摩擦パッド組立て体１００は、複数個のライニング組立体１５を平面状に敷き並べた形態となる。摩擦パッド組立て体１００は、ライニング組立体１５の抜け止めフランジ部３３とガイドプレート１３との間に挟まれたバネ部材３５が、弾性変形してライニング組立体１５の厚さ方向の寸法公差を吸収する。このため、摩擦パッド組立て体１００では、ディスクロータに対する各ライニング組立体１５の接触性にばらつきの生じることが防止される。従って、各ライニング組立体１５は、厚さ方向の寸法公差の影響を受けずに、安定した制動特性を維持することができる。 The friction pad assembly 100 has a form in which a plurality of lining assemblies 15 are arranged in a plane. In the friction pad assembly 100, the spring member 35 sandwiched between the retaining flange portion 33 of the lining assembly 15 and the guide plate 13 is elastically deformed to absorb the dimensional tolerance in the thickness direction of the lining assembly 15. To do. For this reason, in the friction pad assembly 100, it is possible to prevent variation in the contact property of each lining assembly 15 with respect to the disk rotor. Therefore, each lining assembly 15 can maintain stable braking characteristics without being affected by dimensional tolerance in the thickness direction.
　ところで、ガイドプレート１３に固着されたトルク受けプレート１１には、ライニング組立体１５の回転を規制する回り止め規制部が一体形成されている。
　本第１実施形態において、回り止め規制部は、切り起し片３７よりなる。切り起し片３７は、裏板部１７に形成された係止凹部３９に係合するように、トルク受けプレート１１に形成される。切り起し片３７は、トルク受けプレート１１をＵ字形のポンチ等で打ち抜き、Ｕ字形スリットを形成した後、このＵ字形スリットに包囲された板片の基端を、図４に示すように、裏板部１７に向かってトルク受けプレート１１に対し垂直に折り曲げる（切り起す）ことにより形成される。 By the way, the torque receiving plate 11 fixed to the guide plate 13 is integrally formed with an anti-rotation restricting portion for restricting the rotation of the lining assembly 15.
In the first embodiment, the anti-rotation restricting portion includes a cut and raised piece 37. The cut-and-raised piece 37 is formed on the torque receiving plate 11 so as to engage with a locking recess 39 formed on the back plate portion 17. The cut-and-raised piece 37 is formed by punching the torque receiving plate 11 with a U-shaped punch or the like to form a U-shaped slit, and then, as shown in FIG. 4, the base end of the plate piece surrounded by the U-shaped slit is as shown in FIG. It is formed by bending (cutting up) perpendicularly to the torque receiving plate 11 toward the back plate portion 17.
　切り起し片３７は、裏板部１７に形成される係止凹部３９に係合して、ライニング組立体１５の回転を規制する。本第１実施形態において、係止凹部３９は、裏板部１７に穿設した穴である。なお、係止凹部３９は、穴に限定されない。 The cut-and-raised piece 37 engages with a locking recess 39 formed in the back plate portion 17 to restrict the rotation of the lining assembly 15. In the first embodiment, the locking recess 39 is a hole formed in the back plate portion 17. Note that the locking recess 39 is not limited to a hole.
　例えば係止凹部３９は、円形状の裏板部１７の円周方向の２点を結ぶ直線（弦）で切除した凹みであってもよい。この凹みは、裏板部１７の外周が、半径方向内側に凹む係止凹部３９となる。切り起し片３７は、この凹みから成る係止凹部３９に当接することによってもライニング組立体１５の回転を規制することができる。 For example, the locking recess 39 may be a recess cut by a straight line (string) connecting two points in the circumferential direction of the circular back plate portion 17. This recess serves as a locking recess 39 whose outer periphery of the back plate portion 17 is recessed inward in the radial direction. The cut-and-raised piece 37 can also restrict the rotation of the lining assembly 15 by abutting against a locking recess 39 made of this recess.
　また、本第１実施形態に係る摩擦パッド組立て体１００では、トルク受けプレート１１に、裏板部１７に向かって突出する凸部４１が形成されている。凸部４１は、例えばプレス加工により形成することができる。この凸部４１は、ライニング組立体１５を揺動可能に支持する。凸部４１により円形状の裏板部１７の中心部分が支持されたライニング組立体１５は、凸部４１を中心に揺動自在（ピボット運動自在）に支持される。 Further, in the friction pad assembly 100 according to the first embodiment, the torque receiving plate 11 is formed with a convex portion 41 protruding toward the back plate portion 17. The convex portion 41 can be formed by, for example, pressing. The convex portion 41 supports the lining assembly 15 so as to be swingable. The lining assembly 15 in which the central portion of the circular back plate portion 17 is supported by the convex portion 41 is supported so as to be swingable (pivotable) around the convex portion 41.
　図５はキャリパーにおける押圧ホルダー２５のブレーキパッド取付部４３に取り付けられた図１に示す摩擦パッド組立て体１００の断面図である。
　摩擦パッド組立て体１００は、図５に示すように、キャリパーの押圧ホルダー２５に取り付けられる。摩擦パッド組立て体１００のトルク受けプレート１１の裏面１１ａには、アンカープレート２１がリベット２３によって固定される。摩擦パッド組立て体１００は、このアンカープレート２１が、キャリパーの押圧ホルダー２５におけるブレーキパッド取付部４３（押圧ホルダー２５のディスクロータ側取付面）に形成された蟻溝状の固定溝４５に、溝端から挿入されることにより取り付けられる。 5 is a cross-sectional view of the friction pad assembly 100 shown in FIG. 1 attached to the brake pad attachment portion 43 of the press holder 25 in the caliper.
As shown in FIG. 5, the friction pad assembly 100 is attached to the caliper pressing holder 25. An anchor plate 21 is fixed to the back surface 11 a of the torque receiving plate 11 of the friction pad assembly 100 by a rivet 23. In the friction pad assembly 100, the anchor plate 21 is inserted into the dovetail-shaped fixing groove 45 formed on the brake pad mounting portion 43 (the mounting surface on the disk rotor side of the pressing holder 25) from the end of the groove. It is attached by being inserted.
　摩擦パッド組立て体１００は、トルク受けプレート１１の裏面１１ａが、このキャリパーの押圧ホルダー２５のブレーキパッド取付部４３に密着する。トルク受けプレート１１の裏面１１ａには、複数の開口４７が開けられている。この開口４７は、切り起し片３７を形成するために打ち抜いたＵ字形スリットにおいて切り起し片３７を切り起こした後の方形の開口である。なお、開口４７は、切り起し片３７の形状に応じて種々の開口形状を有する。トルク受けプレート１１は、裏面１１ａにおける開口４７の開口周縁がブレーキパッド取付部４３に密着することにより、これら開口４７がブレーキパッド取付部４３により塞がれる。これにより、トルク受けプレート１１の裏面側から異物が開口４７を通って、ガイドプレート１３との間に進入することが確実に抑制されている。 In the friction pad assembly 100, the back surface 11a of the torque receiving plate 11 is in close contact with the brake pad mounting portion 43 of the pressing holder 25 of the caliper. A plurality of openings 47 are formed in the back surface 11 a of the torque receiving plate 11. This opening 47 is a rectangular opening after the cut and raised piece 37 is cut and raised in the U-shaped slit punched out to form the cut and raised piece 37. The opening 47 has various opening shapes depending on the shape of the cut and raised piece 37. In the torque receiving plate 11, the opening periphery of the opening 47 in the back surface 11 a is in close contact with the brake pad mounting portion 43, so that the opening 47 is closed by the brake pad mounting portion 43. Thereby, it is reliably suppressed that foreign matter enters the guide plate 13 from the back surface side of the torque receiving plate 11 through the opening 47.
　次に、本第１実施形態に係る摩擦パッド組立て体１００の組立手順を説明する。
　摩擦パッド組立て体１００を組み立てるには、先ず、背面を上方に向けてセットされたガイドプレート１３のガイド孔部２７に、摩擦材２９をガイドプレート１３の正面側（図３の左側）に突出するようにしてライニング組立体１５が挿入装着される。この際、それぞれのライニング組立体１５のプレート嵌合部３１には、バネ部材３５を嵌着しておく。ガイド孔部２７にライニング組立体１５が挿入されることで、バネ部材３５は、ガイドプレート１３と抜け止めフランジ部３３との間に挟まれるようになる。ガイド孔部２７に挿入装着されたライニング組立体１５は、抜け止めフランジ部３３が、バネ部材３５を介してガイド孔部２７の周縁部に当接した状態となる。 Next, the assembly procedure of the friction pad assembly 100 according to the first embodiment will be described.
In order to assemble the friction pad assembly 100, first, the friction material 29 is projected to the front side of the guide plate 13 (left side in FIG. 3) in the guide hole portion 27 of the guide plate 13 set with the back surface facing upward. In this way, the lining assembly 15 is inserted and mounted. At this time, the spring member 35 is fitted into the plate fitting portion 31 of each lining assembly 15. By inserting the lining assembly 15 into the guide hole portion 27, the spring member 35 is sandwiched between the guide plate 13 and the retaining flange portion 33. The lining assembly 15 inserted and mounted in the guide hole portion 27 is in a state where the retaining flange portion 33 is in contact with the peripheral edge portion of the guide hole portion 27 via the spring member 35.
　全てのライニング組立体１５をガイド孔部２７に装着した状態で、トルク受けプレート１１をガイドプレート１３の上に載置する。この際、トルク受けプレート１１には、アンカープレート２１をリベット２３によって固定しておく。トルク受けプレート１１とガイドプレート１３が合わせられると、トルク受けプレート１１から突出する凸部４１が、ライニング組立体１５の裏板部１７に当接する。同時に、トルク受けプレート１１の切り起し片３７が、裏板部１７の係止凹部３９に係合される。最後に、ガイドプレート１３とトルク受けプレート１１の外周部が、相互を貫通するリベット１９によって、挟持固定され、ディスクブレーキ用摩擦パッド組立て体の組み立てが完了する。ガイドプレート１３とトルク受けプレート１１がリベット１９によって固定された摩擦パッド組立て体１００は、バネ部材３５が所定の予圧で変形して、ガイドプレート１３と抜け止めフランジ部３３との間に挟持された状態となる。 The torque receiving plate 11 is placed on the guide plate 13 with all the lining assemblies 15 mounted in the guide holes 27. At this time, the anchor plate 21 is fixed to the torque receiving plate 11 with rivets 23. When the torque receiving plate 11 and the guide plate 13 are combined, the convex portion 41 protruding from the torque receiving plate 11 comes into contact with the back plate portion 17 of the lining assembly 15. At the same time, the cut-and-raised piece 37 of the torque receiving plate 11 is engaged with the locking recess 39 of the back plate portion 17. Finally, the outer peripheral portions of the guide plate 13 and the torque receiving plate 11 are clamped and fixed by the rivets 19 penetrating each other, and the assembly of the disc brake friction pad assembly is completed. In the friction pad assembly 100 in which the guide plate 13 and the torque receiving plate 11 are fixed by the rivet 19, the spring member 35 is deformed by a predetermined preload, and is sandwiched between the guide plate 13 and the retaining flange portion 33. It becomes a state.
　次に、上記した構成の作用を説明する。
　本第１実施形態に係る摩擦パッド組立て体１００では、ライニング組立体１５の回転を規制するための回り止め規制部である切り起し片３７が、トルク受けプレート１１に一体形成される。トルク受けプレート１１に一体形成された切り起し片３７は、ライニング組立体１５の係止凹部３９に係合し、ライニング組立体１５の回転を規制する。このように、ライニング組立体１５とトルク受けプレート１１の間に、回り止め規制部である切り起し片３７が直接配置されることにより、ライニング組立体１５の回り止め構造を少ない部品点数で、簡素な構造にできる。 Next, the operation of the above configuration will be described.
In the friction pad assembly 100 according to the first embodiment, a cut-and-raised piece 37 that is a rotation preventing restricting portion for restricting the rotation of the lining assembly 15 is formed integrally with the torque receiving plate 11. The cut-and-raised piece 37 formed integrally with the torque receiving plate 11 engages with the locking recess 39 of the lining assembly 15 and restricts the rotation of the lining assembly 15. In this way, by arranging the cut-and-raised piece 37, which is the anti-rotation restricting portion, directly between the lining assembly 15 and the torque receiving plate 11, the anti-rotation structure of the lining assembly 15 is reduced in the number of parts. It can be a simple structure.
　また、本第１実施形態の摩擦パッド組立て体１００では、ライニング組立体１５を揺動自在に支持するためトルク受けプレート１１に配置された凸部４１が、ライニング組立体１５の裏板部１７に当接し、ライニング組立体１５を揺動自在とすることができる。 Further, in the friction pad assembly 100 of the first embodiment, the convex portion 41 arranged on the torque receiving plate 11 for supporting the lining assembly 15 so as to be swingable is formed on the back plate portion 17 of the lining assembly 15. The lining assembly 15 can be swung freely.
　また、本実施形態では、ライニング組立体１５が複数であっても、それぞれのライニング組立体１５に対応する位置に、一括してトルク受けプレート１１に凸部４１をプレス加工できる。これにより、ライニング組立体１５を揺動自在に支持する構造を、簡素な構造で安価に製造できる。 Further, in the present embodiment, even if there are a plurality of lining assemblies 15, the convex portions 41 can be pressed into the torque receiving plate 11 collectively at positions corresponding to the respective lining assemblies 15. Thereby, the structure which supports the lining assembly 15 so that rocking | fluctuation is possible can be manufactured cheaply with a simple structure.
　また、本第１実施形態の摩擦パッド組立て体１００では、トルク受けプレート１１をポンチで打ち抜き、Ｕ字形スリットを形成した後、このＵ字形スリットに包囲された板片がトルク受けプレート１１に接続する基端で折り曲げられることにより、切り起し片３７が形成される。これにより、別部材を使用せずに、打ち抜き、曲げ作業の一連のプレス加工により、回り止め規制部を簡単にトルク受けプレート１１に一体形成できる。 Further, in the friction pad assembly 100 of the first embodiment, the torque receiving plate 11 is punched out with a punch to form a U-shaped slit, and then a plate piece surrounded by the U-shaped slit is connected to the torque receiving plate 11. The cut and raised piece 37 is formed by being bent at the proximal end. As a result, the anti-rotation restricting portion can be easily formed integrally with the torque receiving plate 11 by a series of stamping and bending operations without using a separate member.
　更に、本第１実施形態に係る摩擦パッド組立て体１００では、トルク受けプレート１１は、裏面（裏板部１７が対向する面と反対側の面）１１ａが、ブレーキパッド取付部４３に密着するようにキャリパーの押圧ホルダー２５に装着される。そこで、トルク受けプレート１１に切り起し片３７を形成した後の開口である開口４７は、ブレーキパッド取付部４３により塞がれる。これにより、トルク受けプレート１１の外部から異物が、開口４７を通り裏板部１７との間に侵入するのを抑制できる。 Further, in the friction pad assembly 100 according to the first embodiment, the torque receiving plate 11 has the back surface (surface opposite to the surface facing the back plate portion 17) 11 a in close contact with the brake pad mounting portion 43. The caliper is attached to the pressing holder 25 of the caliper. Therefore, the opening 47 that is an opening after the torque receiving plate 11 is cut and raised to form the piece 37 is closed by the brake pad mounting portion 43. Thereby, it is possible to prevent foreign matter from entering the back plate portion 17 through the opening 47 from the outside of the torque receiving plate 11.
　図６は図１に示した摩擦パッド組立て体１００の変形例に係る摩擦パッド組立て体１００Ａの背面図、図７は図６に示した変形例の断面図、図８は図６に示した変形例の分解斜視図である。
　この変形例に係る摩擦パッド組立て体１００Ａでは、図８に示すように、切り起し片３７によりトルク受けプレート１１に形成された開口である開口４７に、開口４７を少なくとも覆う部材である封止栓６１が嵌着されている。 6 is a rear view of a friction pad assembly 100A according to a modification of the friction pad assembly 100 shown in FIG. 1, FIG. 7 is a cross-sectional view of the modification shown in FIG. 6, and FIG. 8 is a modification shown in FIG. It is a disassembled perspective view of an example.
In the friction pad assembly 100A according to this modified example, as shown in FIG. 8, the opening 47 that is an opening formed in the torque receiving plate 11 by the cut-and-raised piece 37 is sealed with a member that covers at least the opening 47 A stopper 61 is fitted.
　封止栓６１は、例えば合成樹脂材或いは金属からなる。封止栓６１の外周には鍔部６３が形成される。封止栓６１は、トルク受けプレート１１の内側（図８の上側）から開口４７に挿入されることにより、この鍔部６３がストッパとなって開口４７に嵌着される。封止栓６１は、開口４７の開口縁に係止される係止爪（図示略）等を備えるものであってもよい。
　この摩擦パッド組立て体１００Ａによれば、封止栓６１により、トルク受けプレート１１の外部から異物が、開口４７を通り裏板部１７との間に侵入するのを抑制できる。 The sealing plug 61 is made of, for example, a synthetic resin material or a metal. A flange 63 is formed on the outer periphery of the sealing plug 61. When the sealing plug 61 is inserted into the opening 47 from the inside of the torque receiving plate 11 (upper side in FIG. 8), the flange 63 serves as a stopper and is fitted into the opening 47. The sealing plug 61 may include a locking claw (not shown) that is locked to the opening edge of the opening 47.
According to this friction pad assembly 100 </ b> A, the sealing plug 61 can prevent foreign matter from entering the back plate portion 17 through the opening 47 from the outside of the torque receiving plate 11.
［第２実施形態］
　図９は本発明の第２実施形態に係る摩擦パッド組立て体２００の断面図、図１０は図９に示した摩擦パッド組立て体２００の分解斜視図である。なお、第２実施形態においては図１～図５に示した部材と同一の部材には同一の符号を付し重複する説明は省略する。 [Second Embodiment]
FIG. 9 is a sectional view of a friction pad assembly 200 according to the second embodiment of the present invention, and FIG. 10 is an exploded perspective view of the friction pad assembly 200 shown in FIG. In the second embodiment, the same members as those shown in FIGS. 1 to 5 are denoted by the same reference numerals, and redundant description is omitted.
　本第２実施形態に係る摩擦パッド組立て体２００は、裏板部４９に、ライニング組立体１５を揺動可能に支持するための凸部５０が配置されている。このため、図１０に示すように、摩擦パッド組立て体２００におけるトルク受けプレート５１には、図４に示したトルク受けプレート１１で設けられていた凸部４１が形成されていない。 In the friction pad assembly 200 according to the second embodiment, the back plate portion 49 is provided with a convex portion 50 for supporting the lining assembly 15 in a swingable manner. Therefore, as shown in FIG. 10, the torque receiving plate 51 in the friction pad assembly 200 is not formed with the convex portion 41 provided by the torque receiving plate 11 shown in FIG.
　また、本第２実施形態に係る摩擦パッド組立て体２００は、裏板部４９とトルク受けプレート５１との間に、減衰層５３が設けられている。減衰層５３は、均一な厚みで形成される。減衰層５３は、図１０に示すように、トルク受けプレート５１の内面において周壁に沿うことで、トルク受けプレート５１と略相似形状で形成されている。減衰層５３には、切り起し片３７との干渉を避けるための複数の回避穴５５が穿設されている。これにより、減衰層５３の表面は、トルク受けプレート５１の内面と同一の平坦面となる。減衰層５３は、例えば接着層（図示略）によってトルク受けプレート５１の内面に貼着される。 In the friction pad assembly 200 according to the second embodiment, a damping layer 53 is provided between the back plate portion 49 and the torque receiving plate 51. The attenuation layer 53 is formed with a uniform thickness. As shown in FIG. 10, the damping layer 53 is formed in a substantially similar shape to the torque receiving plate 51 by being along the peripheral wall on the inner surface of the torque receiving plate 51. In the attenuation layer 53, a plurality of avoidance holes 55 for avoiding interference with the cut and raised pieces 37 are formed. Thereby, the surface of the damping layer 53 becomes the same flat surface as the inner surface of the torque receiving plate 51. The attenuation layer 53 is adhered to the inner surface of the torque receiving plate 51 by, for example, an adhesive layer (not shown).
　減衰層５３には、例えば金属支持板と弾性材が貼りあわせて積層された状態の積層シムを用いることができ。減衰層５３は、面内および面直方向に適切な弾性率を持つ積層構造となる。積層構造は、例えば弾性材であるゴム、金属支持板であるステンレス鋼板、弾性材である粘着材、金属支持板である冷間圧延鋼板、及び弾性材であるゴムを順に貼り合わせて積層させた構造とすることができる。勿論、減衰層５３は、本実施形態の積層構造に限定されるものではなく、ライニング組立体１５とトルク受けプレート５１との間を伝搬する振動を減衰させることにより、ノイズの低減が可能となるものであれば種々の積層構造或いは単層構造を採り得る。 For the damping layer 53, for example, a laminated shim in which a metal support plate and an elastic material are laminated and laminated can be used. The damping layer 53 has a laminated structure having an appropriate elastic modulus in the in-plane and perpendicular directions. For example, the laminated structure is made by laminating, for example, rubber as an elastic material, stainless steel plate as a metal support plate, adhesive material as an elastic material, cold-rolled steel plate as a metal support plate, and rubber as an elastic material in order. It can be a structure. Of course, the damping layer 53 is not limited to the laminated structure of the present embodiment, and noise can be reduced by attenuating vibration propagating between the lining assembly 15 and the torque receiving plate 51. If it is a thing, various laminated structure or single layer structure can be taken.
　更に、この減衰層５３は、摩擦パッド組立て体２００において、トルク受けプレート５１と裏板部４９との間に設けられることで、切り起し片３７によりトルク受けプレート５１に形成された開口である開口４７を少なくとも覆う部材となる。 Further, the damping layer 53 is an opening formed in the torque receiving plate 51 by the cut and raised piece 37 by being provided between the torque receiving plate 51 and the back plate portion 49 in the friction pad assembly 200. This is a member that covers at least the opening 47.
　本第２実施形態の摩擦パッド組立て体２００によれば、ライニング組立体１５を揺動自在に支持するため裏板部４９に配置された凸部５０がトルク受けプレート５１に減衰層５３を介して支持され、ライニング組立体１５を揺動自在とすることができる。 According to the friction pad assembly 200 of the second embodiment, the convex portion 50 disposed on the back plate portion 49 for supporting the lining assembly 15 in a swingable manner is provided on the torque receiving plate 51 via the damping layer 53. Supported, the lining assembly 15 can be made swingable.
　また、本第２実施形態の摩擦パッド組立て体２００では、ライニング組立体１５とトルク受けプレート５１との間を伝搬する振動が、減衰層５３により減衰する。減衰層５３は、トルク受けプレート５１と裏板部４９との接触によるノイズの低減に寄与する。これにより、１回の制動過程時に生じる振動が減衰され、スキール騒音（所謂ブレーキ鳴き）が抑制される。 In the friction pad assembly 200 of the second embodiment, the vibration propagating between the lining assembly 15 and the torque receiving plate 51 is attenuated by the damping layer 53. The damping layer 53 contributes to noise reduction due to contact between the torque receiving plate 51 and the back plate portion 49. As a result, vibration generated during one braking process is attenuated, and squeal noise (so-called brake squeal) is suppressed.
　更に、本第２実施形態の摩擦パッド組立て体２００では、切り起し片３７を切り起した後の開口である開口４７が、トルク受けプレート５１と裏板部４９との間に設けられて該開口４７を覆う部材としての減衰層５３により覆われる。この減衰層５３により、トルク受けプレート５１の外部から異物が、開口４７を通り裏板部４９との間に侵入するのを抑制できる。 Further, in the friction pad assembly 200 of the second embodiment, an opening 47 that is an opening after the cut and raised piece 37 is cut and raised is provided between the torque receiving plate 51 and the back plate portion 49. The attenuation layer 53 as a member covering the opening 47 is covered. Due to the damping layer 53, it is possible to prevent foreign matter from entering the back plate portion 49 through the opening 47 from the outside of the torque receiving plate 51.
［第３実施形態］
　図１１は本発明の第３実施形態に係る摩擦パッド組立て体３００の断面図である。なお、第３実施形態においては図１～図１０に示した部材と同一の部材には同一の符号を付し重複する説明は省略する。 [Third Embodiment]
FIG. 11 is a cross-sectional view of a friction pad assembly 300 according to the third embodiment of the present invention. Note that, in the third embodiment, the same members as those shown in FIGS. 1 to 10 are denoted by the same reference numerals, and redundant description is omitted.
　本第３実施形態に係る摩擦パッド組立て体３００は、制動トルクを受けるガイドプレート１３に少なくとも１つのライニング組立体１５が揺動自在に支持されて、ライニング組立体１５がディスクロータへ押圧される。ライニング組立体１５は、制動時にディスクロータに押圧される摩擦材２９と、摩擦材２９の裏面に固着された裏板部１７と、を有する。裏板部１７は、ガイドプレート１３に設けられたガイド孔部２７に揺動自在に嵌合されるプレート嵌合部３１を備える。プレート嵌合部３１がガイド孔部２７に挿入装着され、ディスクロータに摩擦材２９が押圧された時に作用する制動トルクをプレート嵌合部３１からガイドプレート１３に伝達する。ガイドプレート１３に固着されたトルク受けプレート５７には、ライニング組立体１５を揺動可能に支持する凸部４１が配置されている。 In the friction pad assembly 300 according to the third embodiment, at least one lining assembly 15 is swingably supported on the guide plate 13 that receives the braking torque, and the lining assembly 15 is pressed against the disk rotor. The lining assembly 15 includes a friction material 29 that is pressed against the disk rotor during braking, and a back plate portion 17 that is fixed to the back surface of the friction material 29. The back plate portion 17 includes a plate fitting portion 31 that is swingably fitted into a guide hole portion 27 provided in the guide plate 13. The plate fitting portion 31 is inserted and mounted in the guide hole portion 27, and the braking torque acting when the friction material 29 is pressed against the disk rotor is transmitted from the plate fitting portion 31 to the guide plate 13. The torque receiving plate 57 fixed to the guide plate 13 is provided with a convex portion 41 that supports the lining assembly 15 in a swingable manner.
　本第３実施形態に係る摩擦パッド組立て体３００は、回り止め規制部がトルク受けプレート５７の必須の構成要件とされない点で上記の摩擦パッド組立て体１００，２００と異なる。また、摩擦パッド組立て体３００は、減衰層５３が裏板部１７に貼着される点も摩擦パッド組立て体２００と異なる。なお、摩擦パッド組立て体３００は、回り止め規制部を備えても勿論よい。その他の構成は、摩擦パッド組立て体１００と略同様である。 The friction pad assembly 300 according to the third embodiment is different from the friction pad assemblies 100 and 200 described above in that the anti-rotation restricting portion is not an essential component of the torque receiving plate 57. The friction pad assembly 300 is also different from the friction pad assembly 200 in that the damping layer 53 is attached to the back plate portion 17. Of course, the friction pad assembly 300 may include a detent restricting portion. Other configurations are substantially the same as those of the friction pad assembly 100.
　従って、本第３実施形態に係る摩擦パッド組立て体３００では、ライニング組立体１５を揺動自在に支持するためトルク受けプレート５７に配置された凸部４１が、減衰層５３を介してライニング組立体１５の裏板部１７を支持し、ライニング組立体１５を揺動自在とすることができる。凸部４１は、トルク受けプレート５７におけるそれぞれのライニング組立体１５に対応する位置に、一括してプレス加工されるので、ライニング組立体１５を揺動自在に支持する構造を、簡素な構造で安価に製造できる。
　また、ライニング組立体１５とトルク受けプレート５７との間を伝搬する振動が、減衰層５３により減衰する。減衰層５３は、トルク受けプレート５７と裏板部１７との接触によるノイズの低減に寄与する。これにより、１回の制動過程時に生じる振動が減衰され、スキール騒音（所謂ブレーキ鳴き）が抑制される。 Therefore, in the friction pad assembly 300 according to the third embodiment, the convex portion 41 disposed on the torque receiving plate 57 for swingably supporting the lining assembly 15 is provided with the lining assembly through the damping layer 53. Thus, the lining assembly 15 can be made swingable. Since the convex portions 41 are collectively pressed at positions corresponding to the respective lining assemblies 15 on the torque receiving plate 57, the structure for supporting the lining assemblies 15 so as to be swingable is simple and inexpensive. Can be manufactured.
Further, the vibration propagating between the lining assembly 15 and the torque receiving plate 57 is attenuated by the attenuation layer 53. The attenuation layer 53 contributes to noise reduction due to contact between the torque receiving plate 57 and the back plate portion 17. As a result, vibration generated during one braking process is attenuated, and squeal noise (so-called brake squeal) is suppressed.
［第４実施形態］
　図１２は本発明の第４実施形態に係る摩擦パッド組立て体４００の断面図である。なお、第４実施形態においては図１～図３に示した部材と同一の部材には同一の符号を付し重複する説明は省略する。 [Fourth Embodiment]
FIG. 12 is a sectional view of a friction pad assembly 400 according to the fourth embodiment of the present invention. Note that in the fourth embodiment, the same members as those shown in FIGS. 1 to 3 are denoted by the same reference numerals, and redundant description will be omitted.
　第４実施形態に係る摩擦パッド組立て体４００は、回り止め規制部が、トルク受けプレート６９に形成された係止穴７１により形成される。係止穴７１は、裏板部６７に形成された突起６５に係合する開口である。突起６５は、ライニング組立体１５の裏板部６７に、トルク受けプレート６９に向かって突出して形成される。突起６５は、裏板部６７に一体形成しても、別体のものを裏板部６７に固定してもよい。
　また、本第４実施形態の摩擦パッド組立て体４００では、凸部４１が、トルク受けプレート６９に突設されている。 In the friction pad assembly 400 according to the fourth embodiment, the anti-rotation restricting portion is formed by a locking hole 71 formed in the torque receiving plate 69. The locking hole 71 is an opening that engages with the protrusion 65 formed in the back plate portion 67. The protrusion 65 is formed on the back plate portion 67 of the lining assembly 15 so as to protrude toward the torque receiving plate 69. The protrusion 65 may be formed integrally with the back plate portion 67 or may be fixed separately to the back plate portion 67.
In the friction pad assembly 400 according to the fourth embodiment, the convex portion 41 protrudes from the torque receiving plate 69.
　本第４実施形態の摩擦パッド組立て体４００は、ライニング組立体１５の突起６５をトルク受けプレート６９の係止穴７１に係合することにより、ライニング組立体１５の回転を規制できる。従って、トルク受けプレート６９には、上記の切り起し片３７を設ける必要がない。また、裏板部６７は、切り起し片３７が係合する図示の係止凹部３９を省略してもよい。 The friction pad assembly 400 of the fourth embodiment can restrict the rotation of the lining assembly 15 by engaging the protrusion 65 of the lining assembly 15 with the locking hole 71 of the torque receiving plate 69. Therefore, it is not necessary to provide the cut and raised pieces 37 on the torque receiving plate 69. Further, the back plate portion 67 may omit the illustrated locking recess 39 with which the cut and raised piece 37 engages.
　本第４実施形態に係る摩擦パッド組立て体４００によれば、裏板部６７に突起６５が形成され、この突起６５に係合する係止穴７１がトルク受けプレート６９に形成される。即ち、トルク受けプレート１１に切り起し片３７を設けた場合と同様に、別部材を用いずに、裏板部６７とトルク受けプレート６９のみを用いた簡素な構造で、ライニング組立体１５を回り止めすることができる。また、本第４実施形態では、トルク受けプレート６９への加工が係止穴７１を形成するための打ち抜き作業と、凸部４１を隆起させる張出加工のみとなるので、切り起し片３７を形成する場合に比べ、トルク受けプレート６９の加工が容易となる。 According to the friction pad assembly 400 according to the fourth embodiment, the protrusion 65 is formed on the back plate portion 67, and the locking hole 71 that engages with the protrusion 65 is formed on the torque receiving plate 69. That is, as in the case where the torque receiving plate 11 is cut and raised, the lining assembly 15 is constructed with a simple structure using only the back plate portion 67 and the torque receiving plate 69 without using separate members. Can prevent rotation. In the fourth embodiment, the processing on the torque receiving plate 69 is only a punching operation for forming the locking hole 71 and an overhanging process for raising the convex portion 41. The torque receiving plate 69 can be easily processed as compared with the case where it is formed.
　図１３は図１２に示した摩擦パッド組立て体４００の変形例に係る摩擦パッド組立て体４００Ａの断面図である。
　この変形例に係る摩擦パッド組立て体４００Ａは、ライニング組立体１５を揺動支持するための凸部７０が、裏板部７３に形成されている。従って、トルク受けプレート７５は、突起６５が係合する係止穴７１のみが形成されており、凸部４１が形成されていない。 13 is a cross-sectional view of a friction pad assembly 400A according to a modification of the friction pad assembly 400 shown in FIG.
In the friction pad assembly 400 </ b> A according to this modification, a convex portion 70 for swinging and supporting the lining assembly 15 is formed on the back plate portion 73. Accordingly, the torque receiving plate 75 is formed with only the locking holes 71 with which the protrusions 65 are engaged, and the convex portions 41 are not formed.
　この摩擦パッド組立て体４００Ａによれば、トルク受けプレート７５への加工が係止穴７１を形成するための打ち抜き作業のみとなるので、切り起し片３７及び凸部４１を形成する場合に比べ、トルク受けプレート７５の加工を更に容易にすることができる。 According to the friction pad assembly 400A, the processing on the torque receiving plate 75 is only a punching operation for forming the locking hole 71, so that compared to the case where the cut and raised pieces 37 and the convex portions 41 are formed. The processing of the torque receiving plate 75 can be further facilitated.
［第５実施形態］
　図１４は本発明の第５実施形態に係る摩擦パッド組立て体５００の断面図である。なお、第５実施形態においては図１～図３に示した部材と同一の部材には同一の符号を付し重複する説明は省略する。
　第５実施形態に係る摩擦パッド組立て体５００は、図５に示すように、トルク受けプレート１１の裏面１１ａには、アンカープレート５２１がリベットによって固定される。 [Fifth Embodiment]
FIG. 14 is a cross-sectional view of a friction pad assembly 500 according to the fifth embodiment of the present invention. Note that in the fifth embodiment, the same members as those shown in FIGS. 1 to 3 are denoted by the same reference numerals, and redundant description will be omitted.
As shown in FIG. 5, in the friction pad assembly 500 according to the fifth embodiment, the anchor plate 521 is fixed to the back surface 11a of the torque receiving plate 11 by rivets.
　摩擦パッド組立て体５００は、このアンカープレート５２１が、キャリパーの押圧ホルダー５２５におけるブレーキパッド取付部５４３（押圧ホルダー５２５のディスクロータ側取付面）に形成された蟻溝状の固定溝５４５に、溝端から挿入されることにより取り付けられる。
　摩擦パッド組立て体５００は、アンカープレート５２１の裏面５２１ａが、このキャリパーの押圧ホルダー５２５の固定溝５４５の底面５４５ａに当接してディスクロータへ押圧される。この際、トルク受けプレート１１の裏面１１ａとブレーキパッド取付部５４３との間には、隙間（Ｇ）が形成される。 In the friction pad assembly 500, the anchor plate 521 is inserted into a dovetail-shaped fixing groove 545 formed on a brake pad mounting portion 543 (a mounting surface on the disk rotor side of the pressing holder 525) in the pressing holder 525 of the caliper from the end of the groove. It is attached by being inserted.
In the friction pad assembly 500, the back surface 521a of the anchor plate 521 contacts the bottom surface 545a of the fixing groove 545 of the pressing holder 525 of the caliper and is pressed against the disk rotor. At this time, a gap (G) is formed between the back surface 11 a of the torque receiving plate 11 and the brake pad mounting portion 543.
　そこで、トルク受けプレート１１は、裏面１１ａがブレーキパッド取付部５４３との間に僅かな隙間（Ｇ）を有した状態で、裏面１１ａに開けられた複数の開口４７がブレーキパッド取付部５４３により覆われる。
　従って、本第５実施形態に係る摩擦パッド組立て体５００は、ブレーキパッド取付部５４３が開口４７を覆うことにより、トルク受けプレート１１の裏面側から異物が開口４７を通って、ガイドプレート１３との間に進入することが抑制されている。
　従って、本実施形態に係る摩擦パッド組立て体１００、１００Ａ、２００、４００、４００Ａ、５００によれば、ライニング組立体１５の回り止め構造を、少ない部品で、安価に実現できる。
　また、本実施形態に係る摩擦パッド組立て体１００、１００Ａ、３００、４００、５００によれば、ライニング組立体１５を揺動自在に支持する構造を、少ない部品で、安価に実現できる。 Therefore, the torque receiving plate 11 has a plurality of openings 47 opened on the back surface 11a covered by the brake pad mounting portion 543 with the back surface 11a having a slight gap (G) between the back surface 11a and the brake pad mounting portion 543. Is called.
Therefore, in the friction pad assembly 500 according to the fifth embodiment, when the brake pad mounting portion 543 covers the opening 47, foreign matter passes from the back surface side of the torque receiving plate 11 through the opening 47 and contacts the guide plate 13. It is suppressed to enter between.
Therefore, according to the friction pad assembly 100, 100A, 200, 400, 400A, 500 according to the present embodiment, the detent structure of the lining assembly 15 can be realized with a small number of parts and at a low cost.
Further, according to the friction pad assembly 100, 100A, 300, 400, 500 according to the present embodiment, the structure that supports the lining assembly 15 in a swingable manner can be realized with a small number of parts and at a low cost.
　なお、本発明のディスクブレーキ用摩擦パッド組立て体は、前述した実施形態に限定されるものでなく、本発明の趣旨に基いて適宜な変形、改良等が可能である。例えば、１つのディスクブレーキ用摩擦パッド組立て体を複数の単位摩擦パッド組立て体から構成する場合に、構成する単位摩擦パッド組立て体の数量は、１つ又は３つ以上としてもよい。
　また、本出願は、２０１７年４月２４日出願の日本特許出願（特願２０１７－８５３６３）及び２０１７年７月２４日出願の日本特許出願（特願２０１７－１４２７０４）に基づくものであり、その内容はここに参照として取り込まれる。 Note that the disc brake friction pad assembly of the present invention is not limited to the above-described embodiment, and appropriate modifications and improvements can be made based on the gist of the present invention. For example, when one disc brake friction pad assembly is composed of a plurality of unit friction pad assemblies, the number of unit friction pad assemblies to be configured may be one or three or more.
This application is based on a Japanese patent application filed on April 24, 2017 (Japanese Patent Application No. 2017-85363) and a Japanese patent application filed on July 24, 2017 (Japanese Patent Application No. 2017-142704). The contents are incorporated herein by reference.
　ここで、上述した本発明に係るディスクブレーキ用摩擦パッド組立て体の実施形態の特徴をそれぞれ以下に簡潔に纏めて列記する。
　［１］　制動トルクを受けるガイドプレート（１３）に少なくとも１つのライニング組立体（１５）が揺動自在に支持されて、前記ライニング組立体（１５）がディスクロータへ押圧されるディスクブレーキ用摩擦パッド組立て体であって、
　前記ライニング組立体（１５）は、
　制動時に前記ディスクロータに押圧される摩擦材（２９）と、前記摩擦材（２９）の裏面に固着された裏板部（１７，６７，７３）とを有し、かつ前記裏板部（１７，６７，７３）には、前記ガイドプレート（１３）に設けられたガイド孔部（２７）に揺動自在に嵌合されるプレート嵌合部（３１）を備え、
　前記プレート嵌合部（３１）が前記ガイド孔部（２７）に嵌合され、前記ディスクロータに前記摩擦材（２９）が押圧された時に作用する制動トルクを前記プレート嵌合部（３１）から前記ガイドプレート（１３）に伝達し、
　前記ガイドプレート（１３）に固着されたトルク受けプレート（１１，５１，６９，７５）には、前記ライニング組立体（１５）の回転を規制する回り止め規制部（切り起し片３７、係止穴７１）が一体形成されているディスクブレーキ用摩擦パッド組立て体（１００，１００Ａ，２００，４００，４００Ａ，５００）。
　［２］　上記［１］に記載のディスクブレーキ用摩擦パッド組立て体であって、
　前記トルク受けプレート（１１，６９）には、前記ライニング組立体（１５）を揺動可能に支持する凸部（４１）が配置されているディスクブレーキ用摩擦パッド組立て体（１００，１００Ａ，４００，５００）。
　［３］　上記［１］に記載のディスクブレーキ用摩擦パッド組立て体であって、
　前記裏板部（４９，７３）には、前記ライニング組立体（１５）を揺動可能に支持する凸部（５０，７０）が配置されているディスクブレーキ用摩擦パッド組立て体（２００，４００Ａ）。
　［４］　上記［２］又は［３］に記載のディスクブレーキ用摩擦パッド組立て体であって、
　前記裏板部（４９）と前記トルク受けプレート（５１）との間に、減衰層（５３）が設けられているディスクブレーキ用摩擦パッド組立て体（２００）。
　［５］　上記［１］～［４］の何れか１つに記載のディスクブレーキ用摩擦パッド組立て体であって、
　前記回り止め規制部が、前記裏板部（１７，４９）に形成された係止凹部（３９）に係合するように前記トルク受けプレート（１１，５１）に形成された切り起し片（３７）であるディスクブレーキ用摩擦パッド組立て体（１００，１００Ａ，２００，５００）。
　［６］　上記［５］に記載のディスクブレーキ用摩擦パッド組立て体であって、
　前記トルク受けプレート（１１）と前記裏板部（１７）との間には、前記切り起し片（３７）により前記トルク受けプレート（１１）に形成された開口（４７）を少なくとも覆う部材（封止栓６１）が設けられているディスクブレーキ用摩擦パッド組立て体（１００Ａ）。
　［７］　上記［１］～［３］の何れか１つに記載のディスクブレーキ用摩擦パッド組立て体であって、
　前記回り止め規制部が、前記裏板部（６７，７３）に形成された突起（６５）に係合するように前記トルク受けプレート（６９，７５）に形成された開口（係止穴７１）であるディスクブレーキ用摩擦パッド組立て体（４００，４００Ａ）。
　［８］　制動トルクを受けるガイドプレート（１３）に少なくとも１つのライニング組立体（１５）が揺動自在に支持されて、前記ライニング組立体（１５）がディスクロータへ押圧されるディスクブレーキ用摩擦パッド組立て体であって、
　前記ライニング組立体（１５）は、
　制動時に前記ディスクロータに押圧される摩擦材（２９）と、前記摩擦材（２９）の裏面に固着された裏板部（１７）とを有し、かつ前記裏板部（１７）には、前記ガイドプレート（１３）に設けられたガイド孔部（２７）に揺動自在に嵌合されるプレート嵌合部（３１）を備え、
　前記プレート嵌合部（３１）が前記ガイド孔部（２７）に挿入装着され、前記ディスクロータに前記摩擦材（２９）が押圧された時に作用する制動トルクを前記プレート嵌合部（３１）から前記ガイドプレート（１３）に伝達し、
　前記ガイドプレート（１３）に固着されたトルク受けプレート（５７）には、前記ライニング組立体（１５）を揺動可能に支持する凸部（４１）が配置されているディスクブレーキ用摩擦パッド組立て体（３００）。
　［９］　上記［５］～［７］の何れか１つに記載のディスクブレーキ用摩擦パッド組立て体であって、
　前記トルク受けプレート（１１）に形成された開口（４７，係止穴７１）は、前記ディスクブレーキ用摩擦パッド組立て体が取り付けられるキャリパーのブレーキパッド取付部（５４３）に装着されたときに、前記ブレーキパッド取付部（５４３）により覆われるディスクブレーキ用摩擦パッド組立て体（５００）。
　［１０］　上記［９］に記載のディスクブレーキ用摩擦パッド組立て体であって、
　前記トルク受けプレート（１１）に形成された開口（４７，係止穴７１）の開口周縁は、前記ディスクブレーキ用摩擦パッド組立て体が取り付けられるキャリパーのブレーキパッド取付部（４３）に密着するディスクブレーキ用摩擦パッド組立て体（１００）。 Here, the features of the above-described embodiment of the friction pad assembly for a disc brake according to the present invention will be briefly summarized and listed below.
[1] A disc brake friction pad in which at least one lining assembly (15) is swingably supported by a guide plate (13) that receives a braking torque, and the lining assembly (15) is pressed against the disc rotor. An assembly,
The lining assembly (15)
A friction material (29) pressed against the disk rotor during braking; and a back plate portion (17, 67, 73) fixed to the back surface of the friction material (29); and the back plate portion (17 , 67, 73) includes a plate fitting portion (31) that is swingably fitted into a guide hole portion (27) provided in the guide plate (13),
The plate fitting portion (31) is fitted into the guide hole portion (27), and braking torque acting when the friction material (29) is pressed against the disc rotor is transmitted from the plate fitting portion (31). Transmitted to the guide plate (13),
The torque receiving plate (11, 51, 69, 75) fixed to the guide plate (13) is provided with a non-rotating restricting portion (a cut-and-raised piece 37, an engaging portion) for restricting the rotation of the lining assembly (15). A disc brake friction pad assembly (100, 100A, 200, 400, 400A, 500) in which a hole 71) is integrally formed.
[2] The disc brake friction pad assembly according to [1] above,
The torque receiving plate (11, 69) has a disc brake friction pad assembly (100, 100A, 400, 400) in which a convex portion (41) for swingably supporting the lining assembly (15) is arranged. 500).
[3] The disc brake friction pad assembly according to [1] above,
A disc brake friction pad assembly (200, 400A) in which convex portions (50, 70) for swingably supporting the lining assembly (15) are arranged on the back plate portions (49, 73). .
[4] The disc brake friction pad assembly according to [2] or [3] above,
A disc brake friction pad assembly (200) in which a damping layer (53) is provided between the back plate portion (49) and the torque receiving plate (51).
[5] The friction pad assembly for a disc brake according to any one of the above [1] to [4],
A cut-and-raised piece formed on the torque receiving plate (11, 51) so that the anti-rotation restricting portion engages with a locking recess (39) formed on the back plate portion (17, 49). 37) Disc brake friction pad assembly (100, 100A, 200, 500).
[6] The disc brake friction pad assembly according to [5] above,
A member that covers at least the opening (47) formed in the torque receiving plate (11) by the cut and raised piece (37) between the torque receiving plate (11) and the back plate portion (17) ( A disc brake friction pad assembly (100A) provided with a sealing plug 61).
[7] The disc brake friction pad assembly according to any one of [1] to [3],
Openings (locking holes 71) formed in the torque receiving plates (69, 75) so that the rotation restricting portions engage with protrusions (65) formed on the back plate portions (67, 73). A disc brake friction pad assembly (400, 400A).
[8] A disc brake friction pad in which at least one lining assembly (15) is swingably supported by a guide plate (13) that receives a braking torque, and the lining assembly (15) is pressed against the disc rotor. An assembly,
The lining assembly (15)
The friction material (29) pressed against the disk rotor during braking, and a back plate portion (17) fixed to the back surface of the friction material (29), and the back plate portion (17) A plate fitting portion (31) fitted in a swingable manner in a guide hole portion (27) provided in the guide plate (13);
The plate fitting portion (31) is inserted and mounted in the guide hole portion (27), and braking torque acting when the friction material (29) is pressed against the disc rotor is transmitted from the plate fitting portion (31). Transmitted to the guide plate (13),
A disc brake friction pad assembly in which a torque receiving plate (57) fixed to the guide plate (13) is provided with a convex portion (41) for swingably supporting the lining assembly (15). (300).
[9] The disc brake friction pad assembly according to any one of [5] to [7] above,
When the opening (47, locking hole 71) formed in the torque receiving plate (11) is mounted on a brake pad mounting portion (543) of a caliper to which the disc brake friction pad assembly is mounted, A disc brake friction pad assembly (500) covered by a brake pad mounting portion (543).
[10] The disc brake friction pad assembly according to [9] above,
A disc brake in which an opening peripheral edge of an opening (47, locking hole 71) formed in the torque receiving plate (11) is in close contact with a brake pad mounting portion (43) of a caliper to which the disc brake friction pad assembly is mounted. Friction pad assembly (100).
　本発明のディスクブレーキ用摩擦パッド組立て体によれば、ライニング組立体の回り止め構造又はライニング組立体を揺動自在に支持する構造が、少ない部品で、安価に実現される。 According to the friction pad assembly for a disc brake of the present invention, the anti-rotation structure of the lining assembly or the structure that supports the lining assembly in a swingable manner can be realized at a low cost with few parts.
１１…トルク受けプレート
１３…ガイドプレート
１５…ライニング組立体
１７…裏板部
２７…ガイド孔部
２９…摩擦材
３１…プレート嵌合部
３７…切り起し片（回り止め規制部）
３９…係止凹部
１００…摩擦パッド組立て体（ディスクブレーキ用摩擦パッド組立て体） DESCRIPTION OF SYMBOLS 11 ... Torque receiving plate 13 ... Guide plate 15 ... Lining assembly 17 ... Back board part 27 ... Guide hole part 29 ... Friction material 31 ... Plate fitting part 37 ... Cut-and-raft piece (rotation prevention control part)
39: Locking recess 100: Friction pad assembly (friction pad assembly for disc brake)

Claims (10)

  1. 　制動トルクを受けるガイドプレートに少なくとも１つのライニング組立体が揺動自在に支持されて、前記ライニング組立体がディスクロータへ押圧されるディスクブレーキ用摩擦パッド組立て体であって、
    　前記ライニング組立体は、
    　制動時に前記ディスクロータに押圧される摩擦材と、前記摩擦材の裏面に固着された裏板部とを有し、かつ前記裏板部には、前記ガイドプレートに設けられたガイド孔部に揺動自在に嵌合されるプレート嵌合部を備え、
    　前記プレート嵌合部が前記ガイド孔部に嵌合され、前記ディスクロータに前記摩擦材が押圧された時に作用する制動トルクを前記プレート嵌合部から前記ガイドプレートに伝達し、
    　前記ガイドプレートに固着されたトルク受けプレートには、前記ライニング組立体の回転を規制する回り止め規制部が一体形成されているディスクブレーキ用摩擦パッド組立て体。     A disc brake friction pad assembly in which at least one lining assembly is swingably supported by a guide plate that receives a braking torque, and the lining assembly is pressed against a disc rotor;
    The lining assembly is
    A friction material that is pressed against the disk rotor during braking, and a back plate portion fixed to the back surface of the friction material, and the back plate portion is rocked by a guide hole provided in the guide plate. It has a plate fitting part that can be freely fitted,
    The plate fitting portion is fitted into the guide hole portion, and a braking torque acting when the friction material is pressed against the disk rotor is transmitted from the plate fitting portion to the guide plate,
    A disc brake friction pad assembly in which a torque stop plate fixed to the guide plate is integrally formed with an anti-rotation restricting portion for restricting rotation of the lining assembly.
  2. 　請求項１に記載のディスクブレーキ用摩擦パッド組立て体であって、
    　前記トルク受けプレートには、前記ライニング組立体を揺動可能に支持する凸部が配置されているディスクブレーキ用摩擦パッド組立て体。     The disc brake friction pad assembly according to claim 1,
    A disc brake friction pad assembly, wherein the torque receiving plate is provided with a convex portion for swingably supporting the lining assembly.
  3. 　請求項１に記載のディスクブレーキ用摩擦パッド組立て体であって、
    　前記裏板部には、前記ライニング組立体を揺動可能に支持する凸部が配置されているディスクブレーキ用摩擦パッド組立て体。     The disc brake friction pad assembly according to claim 1,
    A disc brake friction pad assembly, wherein the back plate portion is provided with a convex portion for swingably supporting the lining assembly.
  4. 　請求項２又は３に記載のディスクブレーキ用摩擦パッド組立て体であって、
    　前記裏板部と前記トルク受けプレートとの間に、減衰層が設けられているディスクブレーキ用摩擦パッド組立て体。     A friction pad assembly for a disc brake according to claim 2 or 3,
    A disc brake friction pad assembly in which a damping layer is provided between the back plate portion and the torque receiving plate.
  5. 　請求項１～４の何れか１項に記載のディスクブレーキ用摩擦パッド組立て体であって、
    　前記回り止め規制部が、前記裏板部に形成された係止凹部に係合するように前記トルク受けプレートに形成された切り起し片であるディスクブレーキ用摩擦パッド組立て体。     The friction pad assembly for a disc brake according to any one of claims 1 to 4,
    A disc brake friction pad assembly, wherein the anti-rotation restricting portion is a cut-and-raised piece formed on the torque receiving plate so as to engage with a locking recess formed on the back plate portion.
  6. 　請求項５に記載のディスクブレーキ用摩擦パッド組立て体であって、
    　前記トルク受けプレートと前記裏板部との間には、前記切り起し片により前記トルク受けプレートに形成された開口を少なくとも覆う部材が設けられているディスクブレーキ用摩擦パッド組立て体。     The friction pad assembly for a disc brake according to claim 5,
    A disc brake friction pad assembly in which a member that covers at least an opening formed in the torque receiving plate by the cut and raised piece is provided between the torque receiving plate and the back plate portion.
  7. 　請求項１～３の何れか１項に記載のディスクブレーキ用摩擦パッド組立て体であって、
    　前記回り止め規制部が、前記裏板部に形成された突起に係合するように前記トルク受けプレートに形成された開口であるディスクブレーキ用摩擦パッド組立て体。     The disc brake friction pad assembly according to any one of claims 1 to 3,
    A disc brake friction pad assembly, wherein the anti-rotation restricting portion is an opening formed in the torque receiving plate so as to engage with a protrusion formed on the back plate portion.
  8. 　制動トルクを受けるガイドプレートに少なくとも１つのライニング組立体が揺動自在に支持されて、前記ライニング組立体がディスクロータへ押圧されるディスクブレーキ用摩擦パッド組立て体であって、
    　前記ライニング組立体は、
    　制動時に前記ディスクロータに押圧される摩擦材と、前記摩擦材の裏面に固着された裏板部とを有し、かつ前記裏板部には、前記ガイドプレートに設けられたガイド孔部に揺動自在に嵌合されるプレート嵌合部を備え、
    　前記プレート嵌合部が前記ガイド孔部に挿入装着され、前記ディスクロータに前記摩擦材が押圧された時に作用する制動トルクを前記プレート嵌合部から前記ガイドプレートに伝達し、
    　前記ガイドプレートに固着されたトルク受けプレートには、前記ライニング組立体を揺動可能に支持する凸部が配置されているディスクブレーキ用摩擦パッド組立て体。     A disc brake friction pad assembly in which at least one lining assembly is swingably supported by a guide plate that receives a braking torque, and the lining assembly is pressed against a disc rotor;
    The lining assembly is
    A friction material that is pressed against the disk rotor during braking, and a back plate portion fixed to the back surface of the friction material, and the back plate portion is rocked by a guide hole provided in the guide plate. It has a plate fitting part that can be freely fitted,
    The plate fitting portion is inserted and mounted in the guide hole portion, and a braking torque acting when the friction material is pressed against the disk rotor is transmitted from the plate fitting portion to the guide plate,
    A disc brake friction pad assembly in which a torque receiving plate fixed to the guide plate is provided with a convex portion for swingably supporting the lining assembly.
  9. 　請求項５～７の何れか１項に記載のディスクブレーキ用摩擦パッド組立て体であって、
    　前記トルク受けプレートに形成された開口は、前記ディスクブレーキ用摩擦パッド組立て体が取り付けられるキャリパーのブレーキパッド取付部に装着されたときに、前記ブレーキパッド取付部により覆われるディスクブレーキ用摩擦パッド組立て体。     The disc brake friction pad assembly according to any one of claims 5 to 7,
    The opening formed in the torque receiving plate is a disc brake friction pad assembly that is covered by the brake pad mounting portion when mounted on a brake pad mounting portion of a caliper to which the disc brake friction pad assembly is mounted. .
  10. 　請求項９に記載のディスクブレーキ用摩擦パッド組立て体であって、
    　前記トルク受けプレートに形成された開口の開口周縁は、前記ディスクブレーキ用摩擦パッド組立て体が取り付けられるキャリパーのブレーキパッド取付部に密着するディスクブレーキ用摩擦パッド組立て体。     The disc brake friction pad assembly according to claim 9,
    A disc brake friction pad assembly in which an opening peripheral edge of the opening formed in the torque receiving plate is in close contact with a brake pad mounting portion of a caliper to which the disc brake friction pad assembly is mounted.
PCT/JP2018/016684 2017-04-24 2018-04-24 Friction pad assembly for disk brake WO2018199119A1 (en)

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EP18791475.9A EP3617544B1 (en) 2017-04-24 2018-04-24 Friction pad assembly for disk brake

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CN113236696B (en) * 2021-04-29 2022-09-20 中京吉泰(北京)科技有限责任公司 High-utilization-rate compression joint type brake pad for high-speed railway vehicle

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