KR20110125137A - Disk brake - Google Patents

Disk brake Download PDF

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Publication number
KR20110125137A
KR20110125137A KR1020100044702A KR20100044702A KR20110125137A KR 20110125137 A KR20110125137 A KR 20110125137A KR 1020100044702 A KR1020100044702 A KR 1020100044702A KR 20100044702 A KR20100044702 A KR 20100044702A KR 20110125137 A KR20110125137 A KR 20110125137A
Authority
KR
South Korea
Prior art keywords
carrier
sliding
disk
caliper housing
pad
Prior art date
Application number
KR1020100044702A
Other languages
Korean (ko)
Inventor
이세연
Original Assignee
주식회사 만도
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 만도 filed Critical 주식회사 만도
Priority to KR1020100044702A priority Critical patent/KR20110125137A/en
Publication of KR20110125137A publication Critical patent/KR20110125137A/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
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
    • F16D55/225—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
    • F16D55/226—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes
    • F16D55/2265—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes the axial movement being guided by one or more pins engaging bores in the brake support or the brake housing
    • F16D55/227—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes the axial movement being guided by one or more pins engaging bores in the brake support or the brake housing by two or more pins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/005—Components of axially engaging brakes not otherwise provided for
    • F16D65/0068—Brake calipers
    • F16D65/0075—Brake calipers assembled from a plurality of parts
    • 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

Landscapes

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

Abstract

PURPOSE: A disk brake is provided to maintain the rigidity of a carrier even if deleting an outer beam formed in the outside of a carrier. CONSTITUTION: A disk brake comprises a caliper housing(40), a carrier(30), a disc(10), a sliding pin(60) and a sliding portion(44). A piston(42) is built-in in order that the caliper housing is moved through the braking fluid pressure. In the carrier, a pair of pad plates(20a, 20b) in which a pad(21) is respectively attached is installed at a constant interval. A part of disk edge is inserted between a pair of pad plates and is revolved with a wheel. The sliding pin is inserted into the carrier. The sliding portion is formed in the caliper housing and slides a sliding pin when braking.

Description

Disk brake

The present invention relates to a disc brake, and more particularly to a disc brake for improving the structure of the carrier and the caliper housing.

In general, a disc brake mounted on a vehicle is a device for decelerating a vehicle while driving or maintaining a stationary or stationary state. The disc brake strongly presses a disk-shaped disk that rotates together with a wheel from both sides with a pad.

The disc brake includes a caliper housing with a piston moving back and forth by braking hydraulic pressure, a pair of pad plates with pads installed thereon, a carrier fixed to the vehicle body, and a portion of an outer circumferential surface between the pair of pad plates. It includes a disk that rotates with the wheel.

At this time, the carrier is mounted to the knuckle of the vehicle body through a bolt, and a pair of pad plates are installed in a slidable manner. Since the carrier is a component that supports the torque generated when the disc brake is braked, the outer beam is integrally provided so that deformation is not caused by such a force because the carrier receives a force in the direction of rotation of the disc.

On the other hand, the disk brake as described above may delete the outer beam provided integrally with the carrier, in this case it is difficult to maintain the rigidity of the carrier by deleting the outer beam.

Accordingly, the present invention is to solve the above problems, an object of the present invention to provide a disk brake that can maintain the rigidity of the carrier while eliminating the outer beam formed on the outside of the carrier.

Disc brake according to the present invention for achieving this object is a disk that rotates together with the wheel of the vehicle, the inner pad plate and the outer pad plate is attached to the inner surface to press the disk, and the pair of pad plate A caliper housing having a carrier installed to be retractable and a piston coupled to the carrier and compressing the inner pad plate to the disk,

Sliding pin is inserted into the carrier,

The caliper housing is provided with a sliding portion for sliding the sliding pin when braking.

Insertion holes into which the sliding pin is inserted are formed at both ends of the outer side of the carrier,

The sliding pin is inserted into the insertion hole to protrude a portion from the carrier.

The sliding part is provided to extend outward from the outer side of the caliper housing,

A sliding groove is formed on a lower surface of the sliding part to allow the sliding pin to slide during braking.

Such a disk brake of the present invention can maintain the rigidity of the carrier due to the sliding structure of the sliding pin is inserted into the carrier and the sliding pin is slidably formed in the caliper housing.

1 is an exploded perspective view showing a disc brake of the present invention.
2 is a view showing a state in which the caliper housing and the carrier shown in FIG.

Disc brake according to an embodiment of the present invention, as shown in Figures 1 and 2, the caliper housing 40 is built in the piston 42 to move back and forth by the braking hydraulic pressure, and the pad 21 is attached The pair of pad plates 20a and 20b are rotated with a wheel (not shown) while the carrier 30 is installed at a predetermined interval and a portion of the edge is inserted between the pair of pad plates 20a and 20b. A disk 10.

Specifically, the caliper housing 40 includes a cylinder portion 41 in which the piston 42 is embedded, a finger portion 43 for operating the outer pad plate 20a, a finger portion 43 and a cylinder portion ( And a connecting portion 45 for connecting 41.

As described above, the cylinder portion 41 includes a piston 42. The piston 42 moves back and forth according to the braking oil supplied from the master cylinder (not shown), and moves the inner pad plate 20b to the disk 10. I'm pressed. An inner circumference of the cylinder portion 41 may be provided with an elastic sealing member (not shown) for restoring the piston 42.

The connection part 45 connects the cylinder part 41 and the finger part 43 as mentioned above.

The finger portion 43 is formed to be bent downward from one end of the cylinder portion 41 so as to support the rear surface of the outer pad plate 20a.

In addition, guide rods 46 are provided at both ends of the inner side of the caliper housing 40 so that the caliper housing 40 can be slidably coupled to the carrier 30, and these guide rods 46 are provided with the guide rods ( It is inserted into the guide hole 31 of the carrier 30 formed at a position corresponding to 46, respectively.

The carrier 30 is firmly mounted to a knuckle (not shown) of the vehicle body through a mounting bolt (not shown), which prevents the pair of pad plates 20a and 20b from detaching and It serves to support the operation of the pad plate (20a, 20b).

Guide portions 32a and 32b are formed on the inside of the carrier 30 so as to protrude so that the pair of pad plates 20a and 20b can be installed, and the carrier 30 is formed on the pair of pad plates 20a and 20b. The mounting grooves 22a and 22b are provided to be recessed inwardly so as to be coupled to the guide portions 32a and 32b of the < RTI ID = 0.0 >

Here, the pair of pad plates 20a and 20b may include an inner pad plate 20b having an outer surface in contact with the tip of the piston 42 and an outer pad plate having an outer surface in contact with the finger portion 43. 20a).

In addition, between the carrier 20 and the pair of pad plates 20a and 20b, the pair of pad plates 20a and 20b may be shaken during the smooth movement of the pair of pad plates 20a and 20b and the vibration of the vehicle. To prevent the pad spring 50 is installed.

The pad spring 50 is molded into a thin iron plate having a predetermined elasticity. The pad spring 50 includes two support parts 51 on both sides provided to support the pair of pad plates 20a and 20b, and a connection part 52 connecting upper ends of the two support parts 51.

At this time, the guide portion so as to be accommodated in the installation grooves (22a, 22b) formed at both ends of the pad plate (20a, 20b) in the state of being fitted to the guide portion (32a, 32b) of the carrier 30 in the two support portion (51) Protrusions 53 corresponding to the shapes of 32a and 32b are provided.

Reference numerals 35 and 36 are main beams and outer beams formed on the carrier 30 to withstand the torque applied from the disc 10 during braking of the disc brake.

Meanwhile, in the exemplary embodiment of the present invention, the rigidity of the carrier 30 may be secured to the outside of the carrier 30 to withstand the torque applied from the disc 10 together with the main beam 35 when the disc brake is braked. Has a structure.

To this end, insertion holes 33 are formed at both ends of the outer side of the carrier 30 so that the sliding pins 60 can be inserted. The sliding pin 60 is inserted into the insertion hole 33 to protrude a predetermined portion to the outer side of the carrier 30 as shown.

As described above, the finger portion 43 of the caliper housing 40 is formed to be bent downward from one end of the cylinder portion 41 so as to support the rear surface of the outer pad plate 20a during braking of the disc brake.

The finger portion 43 is provided with a sliding portion 44 that moves along the sliding pin 60 inserted into the insertion hole 33 of the carrier 30. The sliding portion 44 is provided to extend outward from the outer portion of the finger portion 43, the sliding portion 44 is provided at a position corresponding to the guide portion of the carrier 30 as shown. In addition, a sliding groove 44a is formed under the sliding portion 44 so that the sliding pin 60 can slide.

That is, in the embodiment of the present invention, the sliding part 44 is formed in the caliper housing 40 so that the caliper housing 40 can move along the sliding pin 60 when the disc brake is braked, and the carrier 30 is braked by the brake. ), The deformation of the carrier 30 can be minimized due to the support structure of the sliding portion 44 of the caliper housing 40 and the sliding pin 60 inserted into the carrier 30.

Hereinafter, the operation and effect of the disc brake configured as described above will be described.

First, when the driver presses a brake pedal (not shown) while the vehicle is running, a braking hydraulic pressure is formed in the master cylinder (not shown) and the braking hydraulic pressure formed in the master cylinder is transmitted to the caliper housing 40.

By the braking hydraulic pressure, the piston 42 of the cylinder portion 41 provided on one side of the caliper housing 40 pushes the inner pad plate 20b. Subsequently, the caliper housing 40 is retracted by braking hydraulic pressure. Accordingly, the finger portion 43 provided on the other side of the caliper housing 40 pushes the outer pad plate 20a.

Therefore, the pads 21 of the pair of pad plates 20a and 20b press the disk 10 to brake by friction between the pad 21 and the disk 10.

At this time, the stress and deformation may be generated in the carrier 30 by the torque generated by the rotation of the disk 10, the main beam 35 formed on the carrier 30 and the sliding mounted on the carrier 30 Due to the sliding structure of the sliding portion 44 of the pin 60 and the caliper housing 40, it is possible to prevent deformation of the carrier 30.

10: disc 20a, 20b: inner, outer pad plate
30: carrier 33: insertion hole
40: caliper housing 43: finger portion
44: sliding part 44a: sliding groove
50: pad spring 60: sliding pin

Claims (3)

A disk 10 rotating together with a wheel of a vehicle, an inner pad plate 20b and an outer pad plate 20a to which a pad 21 is attached to an inner surface to compress the disk 10, and the pair of pads A caliper is provided with a carrier 30 on which the plates 20a and 20b are removably installed, and a piston 42 coupled to the carrier 30 to press the inner pad plate 20b onto the disk 10. In a disc brake comprising a housing (40),
The sliding pin 60 is inserted into the carrier 30,
Disc brake, characterized in that the caliper housing 40 is provided with a sliding portion 44 for sliding the sliding pin (60) when braking. The method of claim 1,
Insertion holes 33 into which the sliding pin 60 is inserted are formed at both ends of the outer side of the carrier 30,
The sliding pin (60) is a disc brake, characterized in that inserted into the insertion hole (33) to protrude a certain portion from the carrier (30). The method of claim 2,
The sliding portion 44 is provided to extend outward from the outer side of the caliper housing 40,
A disk brake, characterized in that the sliding groove (44a) is formed on the lower surface of the sliding portion 44 so that the sliding pin (60) can slide during braking.
KR1020100044702A 2010-05-12 2010-05-12 Disk brake KR20110125137A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100044702A KR20110125137A (en) 2010-05-12 2010-05-12 Disk brake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100044702A KR20110125137A (en) 2010-05-12 2010-05-12 Disk brake

Publications (1)

Publication Number Publication Date
KR20110125137A true KR20110125137A (en) 2011-11-18

Family

ID=45394712

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020100044702A KR20110125137A (en) 2010-05-12 2010-05-12 Disk brake

Country Status (1)

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KR (1) KR20110125137A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11549560B2 (en) 2020-01-03 2023-01-10 Hl Mando Corporation Caliper brake

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11549560B2 (en) 2020-01-03 2023-01-10 Hl Mando Corporation Caliper brake

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Date Code Title Description
A201 Request for examination
E601 Decision to refuse application