WO2022114085A1 - 車両用ディスクブレーキのキャリパボディ - Google Patents
車両用ディスクブレーキのキャリパボディ Download PDFInfo
- Publication number
- WO2022114085A1 WO2022114085A1 PCT/JP2021/043283 JP2021043283W WO2022114085A1 WO 2022114085 A1 WO2022114085 A1 WO 2022114085A1 JP 2021043283 W JP2021043283 W JP 2021043283W WO 2022114085 A1 WO2022114085 A1 WO 2022114085A1
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- WIPO (PCT)
- Prior art keywords
- hole
- caliper
- union
- vehicle
- disc
- Prior art date
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- 239000012530 fluid Substances 0.000 claims description 42
- 241000538562 Banjos Species 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000004891 communication Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Images
Classifications
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- 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
- F16D65/005—Components of axially engaging brakes not otherwise provided for
- F16D65/0068—Brake calipers
- F16D65/0075—Brake calipers assembled from a plurality of parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
- B60T17/221—Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems
- B60T17/222—Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems by filling or bleeding of hydraulic systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
- F16D55/228—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a separate actuating member for each side
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D2055/0004—Parts or details of disc brakes
- F16D2055/0016—Brake calipers
- F16D2055/002—Brake calipers assembled from a plurality of parts
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- 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
- F16D2125/00—Components of actuators
- F16D2125/02—Fluid-pressure mechanisms
- F16D2125/16—Devices for bleeding or filling
Definitions
- the present invention relates to a caliper body of a disc brake for a vehicle mounted on a vehicle such as a four-wheeled vehicle or a motorcycle. Specifically, a pair of caliper halves arranged on both sides of a disc rotor are connected by a bridge portion. Regarding the formed split type caliper body.
- a pair of caliper halves having a working part having a cylinder hole and a bridge part halves straddling the outer circumference of the disc rotor are joined together as a caliper body, and one bridge part is used.
- a union boss portion having a union hole for introducing a hydraulic fluid and a bleeder boss portion having a bleeder hole are provided on the outer side in the radial direction of the disc of the half body (see, for example, Patent Document 1).
- the union boss portion and the bleeder boss portion are provided so as to bulge from the caliper half body, and the union hole for inserting the union bolt is formed in the union boss portion and the union hole is formed.
- a bleeder hole for inserting a bleeder screw is formed in the bleeder boss portion, and a bleeder screw mounting seat surface is formed on the outer periphery of the bleeder hole opening. rice field.
- the mounting seat surface of the union bolt and bleeder screw protrudes outward from the caliper half body, and the caliper body becomes larger.
- the tip of the union bolt and bleeder screw becomes larger outward from the caliper half body. Since it protrudes, there is a risk that the union bolt or bleeder screw may hinder the assembly of the caliper body to the vehicle body.
- the present invention provides a caliper body for a vehicle disc brake, which prevents the mounting seat surface of a union bolt or a bleeder screw from protruding outward from the caliper half body, and is miniaturized and improved in assembling property.
- the purpose is.
- the caliper body of the disc brake for a vehicle of the present invention is arranged on both sides of the disc rotor, and has an action portion having a cylinder hole and a bridge portion half body straddling the outer peripheral side of the disc rotor, respectively.
- the pair of caliper halves to be held are joined together with the bridge half body, and the union hole for introducing the hydraulic fluid is communicated with the union hole and the cylinder hole, and the hydraulic fluid is introduced into the cylinder hole.
- the union hole is formed when the vehicle of one of the bridge portions is advanced.
- a mounting seat surface for a union bolt to be mounted on the union hole is formed on the outer periphery of the opening of the union hole, and the bleeder hole is formed on the other bridge. It is characterized in that it is provided with an opening on the disc rotation side when the vehicle moves forward, and a mounting seat surface for a bleeder screw mounted on the bleeder hole is formed on the outer periphery of the opening of the bleeder hole.
- the union hole is opened on the disk ejection side end surface of the bridge portion half body, and the bleeder hole is opened on the disk radial outer end surface on the disk ejection side of the bridge portion half body.
- the bleeder hole is opened on the disk ejection side end surface of the bridge portion half body, and the union hole is opened on the disk radial outer end surface on the disk ejection side of the bridge portion half body.
- the joint surface for joining the pair of caliper halves is formed so as to be located on the vehicle body side of the center in the width direction of the disc rotor when the caliper body is assembled to the vehicle body, and is arranged on the anti-vehicle body side.
- the union hole is formed on the disc rotation side of the caliper half body, and the hose banjo at the end of the brake hose connected to the union hole is prevented from rotating on the outer periphery of the mounting seat surface of the union bolt. It is preferable to project the portion.
- the bottom side of the cylinder hole is provided with a contouring processed portion in which the bottom side is contoured so as to communicate with the hydraulic fluid introduction hole.
- the caliper half body arranged on the opposite side of the vehicle body can be provided with a radial mount type vehicle body mounting portion having a mounting bolt insertion hole in the radial direction of the disk.
- a union hole is provided by opening on the disc rotation side of one of the bridge portions when the vehicle is moving forward, and a union is provided on the outer periphery of the opening of the union hole.
- a bleeder hole is formed on the mounting seat surface of the bolt, and a bleeder hole is provided by opening on the disc rotation side of one of the other bridge half bodies when the vehicle is moving forward, and a bleeder screw is mounted on the outer periphery of the opening of the bleeder hole.
- the seat surface By forming the seat surface, it is possible to provide a union hole or a bleeder hole in the caliper half body without forming a union boss part or a bleeder boss part, and the mounting seat surface of the union bolt or the bleeder screw is outward from the caliper half body. It is possible to prevent it from protruding. As a result, the caliper body can be downsized, and the tip side of the union bolt and the bleeder screw can be prevented from protruding greatly outward from the caliper body, so that the assembling property can be improved.
- a union hole is opened in the disk ejection side end face of one of the bridge portions, and a bleeder hole is opened in the disk radial outer end surface of the disk ejection side of either of the bridge portions.
- a bleeder hole is opened in the disk ejection side end surface of one of the bridge portions, and a union hole is opened in the disk radial outer end surface of the disk ejection side of either of the bridge portion halves.
- the joint surface for joining the pair of caliper halves is formed so as to be located on the vehicle body side of the center in the width direction of the disc rotor when the caliper body is assembled to the vehicle body, and the caliper is arranged on the anti-vehicle body side.
- the hydraulic chamber and the hydraulic chamber defined on the bottom side of the cylinder hole can be operated. It can easily and satisfactorily communicate with the liquid introduction hole.
- the caliper body can be miniaturized and the ease of assembly can be improved.
- FIG. 6 is a sectional view taken along line VV of FIG.
- FIG. 1 is a sectional view taken along line VI-VI of FIG.
- FIG. 2 is a cross-sectional view taken along the line VII-VII of FIG.
- It is a front view of the main part in the state where the union bolt and the hose banjo are attached to the union hole. It is a side view of the state where the union bolt and the hose banjo are attached to the union hole.
- FIG. 8 is a cross-sectional view taken along the line XX of FIG. It is a front view of the caliper body which shows the example of one embodiment of this invention. It is a rear view of the caliper half body on the anti-body side. 11 is a cross-sectional view taken along the line XIII-XIII of FIG. It is a front view of the caliper body on the vehicle body side. It is a rear view of the caliper half body on the vehicle body side.
- FIG. 15 is a cross-sectional view taken along the line XVI-XVI of FIG.
- FIG. 1 to 16 are views showing an example of a caliper body of the disc brake for a vehicle of the present invention
- arrow A is a rotation direction of a disc rotor that rotates integrally with a wheel when the vehicle moves forward, and will be described below.
- the disc feeding side and the disc turning side shall be the ones when the vehicle is moving forward.
- the vehicle disc brake 1 includes a disc rotor 2 that rotates integrally with a wheel (not shown) and a disc rotor 2 that rotates integrally in the direction of arrow A, a caliper body 3 that is attached to a vehicle body on one side of the disc rotor 2, and an inside of the caliper body 3. It is composed of a pair of friction pads 4 and 4 arranged so as to face each other with the disc rotor 2 interposed therebetween.
- the caliper body 3 is a vehicle body side caliper half body 5 (caliper half body of the present invention) and an anti-vehicle body side caliper half body 6 (caliper half body of the present invention) divided by a bridge portion 3a straddling the outer peripheral side of the disc rotor 2. And are integrally connected by two connecting bolts 7 and 7.
- the vehicle body side caliper half body 5 has an action portion 5b having cylinder holes 5a and 5a arranged side by side in the disk circumferential direction, and a bridge portion half body 5c constituting substantially half of the bridge portion 3a, and is an anti-vehicle body. Similar to the vehicle body side caliper half body 5, the side caliper half body 6 also has an action portion 6b having cylinder holes 6a and 6a arranged side by side in the disk circumferential direction, and a bridge portion half body constituting substantially half of the bridge portion 3a. It has 6c.
- the length of the bridge portion half body 6c of the anti-vehicle body side caliper half body 6 in the disk axial direction is formed longer than the length of the bridge portion half body 5c of the vehicle body side caliper half body 5 in the disk axial direction, and the bridge portion is formed.
- a first hydraulic fluid introduction hole 11 is formed from the split surface of the bridge portion half body 5c, which is the joint surface 8 on the disk ejection side, toward the hydraulic chamber 10 of the cylinder hole 5a on the disk ejection side.
- a part of the bottom of the cylinder hole 5a on the disk ejection side includes a first contouring processing portion 5d that allows the hydraulic chamber 10 on the disk ejection side and the first hydraulic fluid introduction hole 11 to communicate with each other by a contouring process.
- It has a second contouring processing portion 5e that is contouring toward the hydraulic chamber 10 on the disk turning side. Further, a third contouring processing portion 5f to be contoured is formed in a part of the bottom portion of the cylinder hole 5a on the disk entry side toward the second contouring processing portion 5e, and the second contouring processing is performed.
- the first hydraulic fluid introduction hole 11, the hydraulic pressure chamber 10 on the disk feeding side, and the hydraulic pressure chamber 10 on the disk feeding side communicate with each other. ..
- a bleeder hole 12 that opens to the outer end surface 5g in the radial direction of the disk and communicates with the first hydraulic fluid introduction hole 11 is provided. It is provided.
- the bleeder hole 12 is formed with a female screw portion 12a for screwing the bleeder screw 13 on the opening side, and a mounting seat surface 5h of the bleeder screw 13 is formed on the outer end surface 5g in the radial direction of the disk on the outer periphery of the opening.
- the bleeder screw 13 is provided with an air discharge hole on the inner peripheral portion and a male screw portion 13a screwed on the female screw portion 12a on the outer peripheral portion, and a rubber bleeder cap 13b is attached to the tip head.
- the pistons 14 and 14 are inserted into the cylinder holes 6a and 6a of the anti-vehicle body side caliper half body 6, and the pistons 14 and 14 are inserted between the bottom side of the cylinder holes 6a and 6a and the pistons 14 and 14.
- the hydraulic chambers 15 and 15 are defined.
- a second hydraulic fluid introduction hole 16 is formed from the divided surface of the bridge portion half body 6c, which is the joint surface 8 on the disk ejection side, toward the hydraulic chamber 15 on the disk ejection side, and the first hydraulic fluid is formed.
- the introduction hole 11 and the second hydraulic fluid introduction hole 16 communicate with each other at the joint surface 8, and a seal member 17 is interposed on the outer peripheral side of the communication portion.
- a fourth contouring processing portion 6d for communicating the hydraulic chamber 15 on the disk ejection side and the second hydraulic fluid introduction hole 16 by contouring is provided. It has a fifth contouring processing section 6e that is contouring toward the hydraulic chamber 15 on the disk entry side. Further, a sixth contouring processing portion 6f to be contoured is formed toward the fifth contouring processing portion 6e at a part of the bottom portion of the cylinder hole 6a on the disk entry side, and the fifth contouring processing is performed. By communicating the portion 6e and the sixth contouring processing portion 6f, the second hydraulic fluid introduction hole 16, the hydraulic pressure chamber 15 on the disk feeding side, and the hydraulic pressure chamber 15 on the disk feeding side are communicated with each other. Communicate.
- the disk ejection side end portion of the bridge portion half body 6c is provided with a union hole 18 that opens to the disk ejection side end surface 6g and communicates with the second hydraulic fluid introduction hole 16.
- the union hole 18 is formed with a female screw portion 18a for screwing the union bolt 19 on the opening side, and a mounting seat surface 6h of the union bolt 19 is formed on the disc rotation side end surface 6g on the outer periphery of the opening.
- a hose banjo 21 fixed to the end of the brake hose 20 is attached to the union bolt 19, and a detent portion 6i of the hose banjo 21 is formed on the outer periphery of the mounting seat surface 6h.
- the detent portion 6i protrudes from the outer peripheral side of the mounting seat surface 6h, cuts out a wall portion 6j for protecting the connection between the union bolt 19 and the hose banjo 21, and a part of the wall portion 6j, and cuts out a hose.
- a hose banjo 21 is provided with an engaging portion 6k for preventing the banjo 21 from rotating, and the hose banjo 21 does not rotate together when the union bolt 19 is screwed into the union hole 18 by sandwiching the hose banjo 21 in the engaging portion 6k. I am doing it.
- the union bolt 19 includes a male screw portion 19a to be screwed into the female screw portion 18a and a hexagonal head 19b.
- a liquid passage hole 19c is formed inside the male screw portion 19a, and the brake hose 20 is provided via the union bolt 19. It communicates with the union hole 18.
- radial mount type vehicle body mounting portions 6n and 6n having mounting bolt insertion holes 6m and 6m in the radial direction of the disk are formed on the disk entry side and the disk exit side of the caliper half body 6 on the anti-vehicle body side.
- the caliper body 3 is attached to the vehicle body by screwing the mounting bolts inserted through the mounting bolt insertion holes 6 m and 6 m into the caliper mounting portion provided on the vehicle body side.
- the caliper body 3 introduces the first hydraulic fluid by joining the vehicle body side caliper half body 5 and the anti-vehicle body side caliper half body 6 thus formed at the bridge portion 3a and connecting them with the connecting bolts 7 and 7.
- the holes 11 and the second hydraulic fluid introduction hole 16 communicate with each other, and accordingly, the first hydraulic fluid introduction hole 11, the second hydraulic fluid introduction hole 16, and the hydraulic chambers 10 and 10 of the vehicle body side caliper half body 5
- the hydraulic chambers 15 and 15 of the caliper half body 6 on the anti-vehicle body side communicate with each other.
- the union hole 18 since the union hole 18 communicates with the second hydraulic fluid introduction hole 16, the hydraulic chambers 10 and 10 are passed through the union bolt 19, the first hydraulic fluid introduction hole 11, and the second hydraulic fluid introduction hole 16.
- the hydraulic fluid is supplied to the 15th and 15th. Further, since the bleeder hole 12 communicates with the first hydraulic fluid introduction hole 11, it is introduced into the first hydraulic fluid introduction hole 11, the second hydraulic fluid introduction hole 16, and the hydraulic fluid chambers 10, 10, 15, and 15. The air mixed in the hydraulic fluid is discharged to the outside through the bleeder screw 13.
- Each friction pad 4 is composed of a lining 4a that is in sliding contact with the side surface of the disc rotor 2 and a metal back plate 4b to which the lining 4a is attached.
- a hanging piece 4c is extended in the center of the upper part of the back plate 4b, and a hanger pin 22 is inserted through the hanging piece 4c.
- the hanger pin 22 is erected in both action portions 5b and 6b in the disc axial direction through the ceiling opening 3b formed in the bridge portion 3a of the caliper body 3, and the vehicle body side caliper half body 5 and the anti-vehicle body side caliper half body 6 It is possible to move in the disk axial direction between the torque receiving portions 5i, 5i, 6p, and 6p provided on the disk entry side and the disk exit side, respectively. Further, a pad spring 23 is provided over the back plate 4b, the bridge portion 3a, and the hanger pin 22, and presses the friction pads 4 and 4 toward the disc rotation side and the inside in the disc radial direction.
- the union hole 18 and the bleeder boss portion are not formed in the vehicle body side caliper half body 5 and the anti-vehicle body side caliper half body 6.
- the bleeder hole 12 can be provided, and the mounting seat surfaces 5h and 6h of the union bolt 19 and the bleeder screw 13 can be prevented from protruding outward from the vehicle body side caliper half body 5 and the anti-vehicle body side caliper half body 6.
- the caliper body 3 can be downsized, and the tip side of the union bolt 19 and the bleeder screw 13 can be prevented from protruding greatly outward from the caliper body 3, so that the assembling property can be improved. Can be done.
- the length of the bridge portion half body 6c of the anti-vehicle body side caliper half body 6 in the disc axial direction is formed longer than the length of the bridge portion half body 5c of the vehicle body side caliper half body 5 in the disc axial direction, and the anti-vehicle body side caliper half body 5 is formed to be longer than the disc axial length.
- a union hole 18 is provided at the disk ejection side end of the bridge portion half body 6c of the side caliper half body 6 to open to the disk ejection side end surface 6g, and the detent portion 6i of the hose banjo 21 is provided on the outer periphery of the mounting seat surface 6h. Therefore, the space required for forming the detent portion 6i can be secured.
- the wall thickness of the detent portion 6i improves moldability, and improve the degree of freedom in the shape of the detent portion 6i.
- the bleeder hole 12 is machined on the outer end surface in the disk radial direction of the bridge portion half body 5c on the disc ejection side of the vehicle body side caliper half body 5 in the disk radial direction, the tool unions when assembling the caliper body 3 to the vehicle body. Interference with the bolt 19 and the bleeder screw 13 can be suppressed, and the assembling property can be improved.
- the hose length of the brake hose 20 can be shortened as compared with the case where the conventional union hole is provided in the center of the bridge portion. can.
- a part of the bottom of the cylinder holes 5a and 5a is contoured to communicate with the first hydraulic fluid introduction hole 11, and a part of the bottom of the cylinder holes 6a and 6a is contoured to perform the second operation.
- the hydraulic chambers 10 and 10 and the first hydraulic fluid introduction hole 11 and the hydraulic chambers 15 and 15 and the second hydraulic fluid introduction hole 16 can be easily and satisfactorily communicated with each other. Can be done.
- the adjacent cylinder holes 5a and 5a and a part of the bottoms of the adjacent cylinder holes 6a and 6a by contouring, the adjacent cylinder holes 5a and 5a and the adjacent cylinder holes are formed. 6a and 6a can be easily and satisfactorily communicated with each other, and workability can be improved.
- the contouring process is applied to a part of the bottom of each of the cylinder holes 5a and 6a, the amount of processing can be reduced.
- a union hole may be formed in the bridge portion half of the vehicle body side caliper half body, and a bleeder hole may be formed in the bridge portion half body of the anti-vehicle body side caliper half body. ..
- the joint surface that joins the caliper half body on the vehicle body side and the caliper half body on the anti-vehicle body side may be located at the center in the width direction of the disc rotor when the caliper body is assembled to the vehicle body.
- the communication between the cylinder hole and the hydraulic fluid introduction hole and the communication between the adjacent cylinder holes are not limited to the communication by the contouring process, but may be the communication by the plunge processing or the communication by the casting.
- vehicle body mounting portion formed on the anti-vehicle body outer caliper half body may be an axial mount type vehicle body mounting portion provided with a mounting bolt insertion hole in the disk axial direction. Further, the number of cylinder holes formed in each caliper half body is arbitrary.
- bleeder cap 14 ... piston, 15 ... hydraulic chamber, 16 ... second hydraulic fluid introduction hole, 17 ... seal member, 18 ... union hole, 18a ... Female threaded part, 19 ... Union bolt, 19a ... Male threaded part, 19b ... Hexagonal head, 19c ... Liquid passage hole, 20 ... Brake hose, 21 ... Horse banjo, 22 ... Hanger pin, 23 ... Pad spring
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Abstract
Description
Claims (6)
- ディスクロータの両側部に配置され、シリンダ孔を有する作用部と、ディスクロータの外周側を跨ぐブリッジ部半体とをそれぞれ有する一対のキャリパ半体を、前記ブリッジ部半体を付き合わせて接合するとともに、
作動液を導入するユニオン孔と、該ユニオン孔と前記シリンダ孔とを連通し、作動液を前記シリンダ孔に導入する作動液導入孔と、前記作動液中の混入エアを排出させるブリーダ孔とを備えた車両用ディスクブレーキのキャリパボディにおいて、
前記ユニオン孔は、いずれか一方の前記ブリッジ部半体の車両前進時におけるディスク回出側に開口して設けられるとともに、前記ユニオン孔の開口部外周に、前記ユニオン孔に装着されるユニオンボルトの取付座面が形成され、
前記ブリーダ孔は、いずれか他方の前記ブリッジ部半体の車両前進時におけるディスク回出側に開口して設けられるとともに、前記ブリーダ孔の開口部外周に、前記ブリーダ孔に装着されるブリーダスクリュの取付座面が形成されることを特徴とする車両用ディスクブレーキのキャリパボディ。 - 前記ユニオン孔は、前記ブリッジ部半体のディスク回出側端面に開口し、前記ブリーダ孔は、前記ブリッジ部半体のディスク回出側のディスク半径方向外端面に開口することを特徴とする請求項1記載の車両用ディスクブレーキのキャリパボディ。
- 前記ブリーダ孔は、前記ブリッジ部半体のディスク回出側端面に開口し、前記ユニオン孔は、前記ブリッジ部半体のディスク回出側のディスク半径方向外端面に開口することを特徴とする請求項1記載の車両用ディスクブレーキのキャリパボディ。
- 一対の前記キャリパ半体を接合する接合面は、前記キャリパボディを車体に組み付けた際に、前記ディスクロータの幅方向中心よりも車体側に位置するように形成され、反車体側に配置される前記キャリパ半体のディスク回出側に前記ユニオン孔を形成し、前記ユニオンボルトの取付座面の外周に、前記ユニオン孔に接続されるブレーキホース端部のホースバンジョーを回り止めする回り止め部を突設したことを特徴とする請求項1乃至3のいずれか1項記載の車両用ディスクブレーキのキャリパボディ。
- 前記シリンダ孔の底部側に、該底部側をコンタリング加工して前記作動液導入孔に連通させるコンタリング加工部を備えていることを特徴とする請求項1乃至4のいずれか1項記載の車両用ディスクブレーキのキャリパボディ。
- 反車体側に配置される前記キャリパ半体に、ディスク半径方向の取付ボルト挿通孔を備えたラジアルマウント式車体取付部を設けたことを特徴とする請求項1乃至5のいずれか1項記載の車両用ディスクブレーキのキャリパボディ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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EP21898057.1A EP4253176A1 (en) | 2020-11-27 | 2021-11-25 | Caliper body of disc brake for vehicle |
CN202180079807.7A CN116568575A (zh) | 2020-11-27 | 2021-11-25 | 车辆用盘式制动器的制动钳体 |
JP2022565424A JPWO2022114085A1 (ja) | 2020-11-27 | 2021-11-25 |
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JP2020-197009 | 2020-11-27 | ||
JP2020197009 | 2020-11-27 |
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WO2022114085A1 true WO2022114085A1 (ja) | 2022-06-02 |
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PCT/JP2021/043283 WO2022114085A1 (ja) | 2020-11-27 | 2021-11-25 | 車両用ディスクブレーキのキャリパボディ |
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EP (1) | EP4253176A1 (ja) |
JP (1) | JPWO2022114085A1 (ja) |
CN (1) | CN116568575A (ja) |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04341622A (ja) * | 1991-01-17 | 1992-11-27 | Tokico Ltd | ディスクブレーキ |
JPH06330964A (ja) * | 1993-05-19 | 1994-11-29 | Nissin Kogyo Kk | ディスクブレーキの対向ピストン型キャリパ |
JPH0712156A (ja) * | 1993-06-15 | 1995-01-17 | Nissin Kogyo Kk | 液圧式車両用ディスクブレーキのウエアインジケータ用リード線の保持構造 |
JPH07145836A (ja) * | 1993-11-22 | 1995-06-06 | Nissin Kogyo Kk | 車両用ディスクブレーキのキャリパボディ |
JP2004011917A (ja) * | 2003-08-22 | 2004-01-15 | Nissin Kogyo Co Ltd | 車両用ディスクブレーキの分割型キャリパボディ |
JP2008240862A (ja) * | 2007-03-27 | 2008-10-09 | Honda Motor Co Ltd | 車両用ディスクブレーキ |
WO2021161642A1 (ja) * | 2020-02-12 | 2021-08-19 | 日立Astemo株式会社 | 車両用ディスクブレーキ |
-
2021
- 2021-11-25 JP JP2022565424A patent/JPWO2022114085A1/ja active Pending
- 2021-11-25 WO PCT/JP2021/043283 patent/WO2022114085A1/ja active Application Filing
- 2021-11-25 EP EP21898057.1A patent/EP4253176A1/en active Pending
- 2021-11-25 CN CN202180079807.7A patent/CN116568575A/zh active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04341622A (ja) * | 1991-01-17 | 1992-11-27 | Tokico Ltd | ディスクブレーキ |
JPH06330964A (ja) * | 1993-05-19 | 1994-11-29 | Nissin Kogyo Kk | ディスクブレーキの対向ピストン型キャリパ |
JPH0712156A (ja) * | 1993-06-15 | 1995-01-17 | Nissin Kogyo Kk | 液圧式車両用ディスクブレーキのウエアインジケータ用リード線の保持構造 |
JPH07145836A (ja) * | 1993-11-22 | 1995-06-06 | Nissin Kogyo Kk | 車両用ディスクブレーキのキャリパボディ |
JP2004011917A (ja) * | 2003-08-22 | 2004-01-15 | Nissin Kogyo Co Ltd | 車両用ディスクブレーキの分割型キャリパボディ |
JP2008240862A (ja) * | 2007-03-27 | 2008-10-09 | Honda Motor Co Ltd | 車両用ディスクブレーキ |
WO2021161642A1 (ja) * | 2020-02-12 | 2021-08-19 | 日立Astemo株式会社 | 車両用ディスクブレーキ |
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CN116568575A (zh) | 2023-08-08 |
EP4253176A1 (en) | 2023-10-04 |
JPWO2022114085A1 (ja) | 2022-06-02 |
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