JP2016028215A5

JP2016028215A5 -

Info

Publication number: JP2016028215A5
Application number: JP2015228719A
Authority: JP
Filing date: 2015-11-24
Publication date: 2016-04-07
Anticipated expiration: 2031-11-29

Description

上記課題を解決するための手段として、本発明は、ディスクを跨いで車両の非回転部分に取り付けられ、前記ディスクの軸方向に延びる一対のピン挿嵌部を有する取付部材と、該取付部材の前記一対のピン挿嵌部に嵌合されたスライドピンにより前記取付部材に支持され前記ディスクの軸方向に変位するキャリパと、前記ディスクの両面側に位置して前記取付部材に対してディスクの軸方向に移動可能に取り付けられ前記キャリパによって前記ディスクの両面に押圧される少なくとも一対の摩擦パッドとを備え、前記キャリパには、前記摩擦パッドを押圧するピストンが突出可能に収容されるとともに、該ピストンを機械的に推進するピストン推進機構が収容される有底筒状のシリンダ部と、前記ピストン推進機構に推進力を付与すべく、前記シリンダ部の底部側に固定される駆動部とが設けられ、前記取付部材は、前記一対の摩擦パッドのうち前記車両の非回転部分側となるインナ側の摩擦パッドの制動トルクを受承するインナ側トルク受部と、前記ディスクに対して前記インナ側と反対側となるアウタ側の摩擦パッドの制動トルクを受承するアウタ側トルク受部と、を有するディスクブレーキであって、前記一対のピン挿嵌部に嵌合されたスライドピンは、先端部が前記ディスクの軸方向において前記アウタ側トルク受部より前記インナ側トルク受部側に位置し、前記ピン挿嵌部のインナ側端面は、前記インナ側トルク受部よりもインナ側に形成されていることを特徴とするものである。
また、本発明は、ディスクを跨いで車両の非回転部分に取り付けられ、前記ディスクの軸方向に延びる一対のピン挿嵌部を有する取付部材と、該取付部材の前記一対のピン挿嵌部に嵌合されたスライドピンにより前記取付部材に支持され前記ディスクの軸方向に変位するキャリパと、前記ディスクの両面側に位置して前記取付部材に対してディスクの軸方向に移動可能に取り付けられ前記キャリパによって前記ディスクの両面に押圧される少なくとも一対の摩擦パッドとを備え、前記キャリパには、前記摩擦パッドを押圧するピストンが突出可能に収容される有底筒状のシリンダ部と、前記シリンダ部の底部側に設けられ、前記ピストンを機械的に推進する電動パーキング機構とからなり、前記取付部材は、前記一対の摩擦パッドのうち前記車両の非回転部分側となるインナ側の摩擦パッドの制動トルクを受承するインナ側トルク受部と、前記ディスクに対して前記インナ側と反対側となるアウタ側の摩擦パッドの制動トルクを受承するアウタ側トルク受部とを備え、前記一対のピン挿嵌部に嵌合されたスライドピンは、先端部が前記ディスクの軸方向において前記アウタ側トルク受部より前記インナ側トルク受部側に位置し、前記ピン挿嵌部のインナ側端部は、前記インナ側トルク受部よりもインナ側に延びて形成されていることを特徴とするものである。 As means for solving the above-described problems, the present invention provides a mounting member that is attached to a non-rotating portion of a vehicle across a disk and that has a pair of pin insertion portions extending in the axial direction of the disk, a variable-ordinating caliper supported on the mounting member by mated slide pin to the pair of pin insertion portion in an axial direction of said disk, the disk relative to the mounting member positioned on both sides of the disc And at least a pair of friction pads that are movably mounted in the axial direction and pressed against both sides of the disk by the caliper, and the caliper accommodates a piston that presses the friction pad in a projectable manner, A cylinder portion with a bottom that houses a piston propulsion mechanism for mechanically propelling the piston, and a front portion for applying propulsive force to the piston propulsion mechanism A driving part fixed to the bottom side of the cylinder portion is provided, the mounting member may be receive a braking torque of the friction pad of the non-rotating portion side to become the inner side of the vehicle of the pair of friction pads inner A disc brake having a side torque receiving portion and an outer side torque receiving portion that receives a braking torque of an outer side friction pad that is opposite to the inner side with respect to the disc, wherein the pair of pins slide pins fitted in the insertion portion, the tip portion is positioned on the inner side torque receiving portion side of the outer side torque receiving portion in the axial direction of the disc, inner side end surface of the pin insertion portion, The inner side torque receiving portion is formed on the inner side .
The present invention also includes an attachment member having a pair of pin insertion portions that are attached to a non-rotating portion of the vehicle across the disc and extend in the axial direction of the disc, and the pair of pin insertion portions of the attachment member. A caliper that is supported by the mounting member by a fitted slide pin and is displaced in the axial direction of the disk, and is mounted on the both surfaces of the disk so as to be movable in the axial direction of the disk. At least a pair of friction pads pressed against both sides of the disk by a caliper, and the caliper has a bottomed cylindrical cylinder portion in which a piston that presses the friction pad is projectably accommodated; and the cylinder portion An electric parking mechanism for mechanically propelling the piston, and the mounting member is a member of the pair of friction pads. An inner side torque receiving portion that receives the braking torque of the inner friction pad that is the non-rotating part side, and a braking torque of the outer side friction pad that is opposite to the inner side with respect to the disk. A slide pin fitted to the pair of pin insertion portions, and a tip portion of the slide pin fitted to the pair of pin insertion portions is closer to the inner side torque receiving portion than the outer side torque receiving portion in the axial direction of the disk. The inner side end of the pin insertion portion is formed to extend to the inner side from the inner side torque receiving portion.

キャリパ１０５のシリンダ部１２の底部側には、電動パーキング機構５０が取り付けられている。電動パーキング機構５０は、電動モータ５２が固定され、電動モータ５２の回転を増力するための減速機構（図示略）が内包されたハウジング５１を有して構成される。 An electric parking mechanism 50 is attached to the bottom side of the cylinder portion 12 of the caliper 105. Electric parking mechanism 50, the electric motor 5 2 is fixed, and a speed reduction mechanism housing 51 (not shown) is included for energizing the rotation of the electric motor 5 2.

第１，２の実施形態のディスクブレーキにおいては、前記ピン挿嵌部が、前記ディスクの軸方向の両端に端面を有しており、該端面のうち、アウタ側端面が、前記連結部の前記ディスクの軸方向アウタ側端面よりも前記ディスクの軸方向インナ側に位置して形成されている。このような構成により、スライドピンの大部分は、インナ側トルク受け部の変形が作用し、アウタ側トルク受部の変形の影響を受ける部分がスライドピンの先端部に限定されるので、よりアウタ側トルク受部の変形の影響が小さくなる。このため、制動中のスライドピンの摺動性、すなわち、キャリパの摺動性を確保することができる。したがって、ブレーキジャダ発生を抑制することができる。 In the disc brakes of the first and second embodiments, the pin insertion portion has end faces at both ends in the axial direction of the disc, and the outer side end face of the end faces is the connection portion of the connecting portion. It is formed so as to be positioned closer to the inner side of the disc in the axial direction than the end surface on the outer side of the disc in the axial direction. With such a configuration, most of the slide pin is deformed by the inner side torque receiving portion, and the portion affected by the deformation of the outer side torque receiving portion is limited to the tip end portion of the slide pin. The influence of the deformation of the side torque receiving portion is reduced. For this reason, the sliding property of the slide pin during braking, that is, the sliding property of the caliper can be ensured. Therefore, occurrence of brake judder can be suppressed.

第１，２の実施形態のディスクブレーキにおいては、前記ピン挿嵌部が、前記端面のうち、インナ側端面が、前記連結部の前記ディスクの軸方向インナ側端面よりも前記ディスクから離れた位置に形成されている。このような構成により、スライドピンの大部分は、インナ側トルク受け部の変形が作用し、アウタ側トルク受部の変形の影響を受ける部分がスライドピンの先端部に限定されるので、よりアウタ側トルク受部の変形の影響が小さくなる。このため、制動中のスライドピンの摺動性、すなわち、キャリパの摺動性を確保することができる。したがって、ブレーキジャダ発生を抑制することができる。 In the disc brakes of the first and second embodiments, the pin insertion portion is a position where the inner side end surface of the end surface is farther from the disc than the axial inner side end surface of the disc of the connecting portion. Is formed. With such a configuration, most of the slide pin is deformed by the inner side torque receiving portion, and the portion affected by the deformation of the outer side torque receiving portion is limited to the tip end portion of the slide pin. The influence of the deformation of the side torque receiving portion is reduced. For this reason, the sliding property of the slide pin during braking, that is, the sliding property of the caliper can be ensured. Therefore, occurrence of brake judder can be suppressed.

Claims

An attachment member attached to a non-rotating part of the vehicle across the disc and having a pair of pin insertion portions extending in the axial direction of the disc;
And varying coordinated caliper in the axial direction of the disk is supported by the mounting member by mated slide pin to the pair of pin insertion portion of the mounting member,
At least a pair of friction pads positioned on both sides of the disc and attached to the attachment member so as to be movable in the axial direction of the disc and pressed against both sides of the disc by the caliper;
The caliper accommodates a piston that presses the friction pad in a projectable manner, and a bottomed cylindrical cylinder portion that accommodates a piston propulsion mechanism that mechanically propels the piston, and the piston propulsion mechanism. In order to give a propulsive force, a drive unit fixed to the bottom side of the cylinder unit is provided,
The mounting member is
An inner side torque receiving portion that receives a braking torque of an inner side friction pad that is a non-rotating portion side of the vehicle among the pair of friction pads;
A disc brake having an outer side torque receiving portion that receives a braking torque of an outer side friction pad that is opposite to the inner side with respect to the disc;
The mated slide pin in a pair of pin insertion portion, the distal end portion is positioned on the inner side torque receiving portion side of the outer side torque receiving portion in the axial direction of said disk,
The disc brake according to claim 1, wherein an inner side end surface of the pin insertion portion is formed closer to the inner side than the inner side torque receiving portion .

The pair of pin insertion portions have end faces at both ends in the axial direction of the disk, and an inner end face of the end faces is closer to an end face closer to the disk in the axial direction of the disk of the drive section. The disc brake according to claim 1, wherein the disc brake is formed at a position away from the disc.

3. The disc brake according to claim 1, wherein the drive unit is provided so as to extend from a center of the cylinder unit along a rotation direction of the disc.

The disc brake according to claim 3 , wherein the pair of pin insertion portions are disposed radially outward of the disc from a tip position of the driving portion.

The mounting member is formed with a fixing portion that is fixed to a non-rotating portion of the vehicle, and the fixing portion is disposed radially inward of the disk with respect to a tip position of the driving portion. The disc brake according to claim 3 or 4 .

An attachment member attached to a non-rotating part of the vehicle across the disc and having a pair of pin insertion portions extending in the axial direction of the disc;
A caliper that is supported by the mounting member by a slide pin fitted to the pair of pin insertion portions of the mounting member and is displaced in the axial direction of the disk;
At least a pair of friction pads positioned on both sides of the disc and attached to the attachment member so as to be movable in the axial direction of the disc and pressed against both sides of the disc by the caliper;
The caliper includes a bottomed cylindrical cylinder portion in which a piston that presses the friction pad is slidably accommodated, and an electric parking mechanism that is provided on the bottom side of the cylinder portion and mechanically propels the piston. Consists of
The mounting member is
An inner side torque receiving portion that receives a braking torque of an inner side friction pad that is a non-rotating portion side of the vehicle among the pair of friction pads;
An outer side torque receiving portion that receives a braking torque of an outer side friction pad that is opposite to the inner side with respect to the disk;
The slide pin fitted to the pair of pin insertion portions has a tip portion positioned closer to the inner side torque receiving portion than the outer side torque receiving portion in the axial direction of the disk.
The disc brake according to claim 1, wherein an inner side end portion of the pin insertion portion is formed to extend to an inner side with respect to the inner side torque receiving portion .

The electric parking mechanism includes a housing provided on the bottom side of the cylinder portion and including a speed reduction mechanism therein, and an electric motor fixed to the housing and extending toward the disk.
The disc brake according to claim 6, wherein an inner side end surface of the pin insertion portion extends to a position overlapping with the electric motor in the axial direction of the disc.