TW201817998A - Caliper structure for car brake capable of providing both the footbrake function and the handbrake function - Google Patents

Abstract

The present invention provides a caliper structure for a car brake, which is mainly provided with a caliper body. The upper part of the caliper body is provided with a base seat. The base seat is provided with a chamber. The bottom of the chamber is provided with a recessed groove. There is an oil passage disposed between the recessed groove and a piston chamber for connecting the recessed groove to the piston chamber. One side of the base seat is provided with an oil input port defined therein an oil input hole in communication with the chamber. The wall surface of the chamber is embedded with a plurality of leak-proof washers. A compression spring is disposed in the recessed groove. A push piston is disposed in the chamber. The top surface of the push piston is a chamfered surface. The chamfered surface is provided with an arc-shaped slide groove. A fixing seat is disposed above the base seat. The fixing seat is provided with an arc-shaped guide groove. A linkage member is disposed above the fixing seat. The bottom of the linkage member is provided with a push rod. The push rod is inserted into the arc-shaped guide groove of the fixing seat and is disposed in the arc-shaped slide groove of the push piston. There is a pivot shaft disposed between the fixing seat and the linkage member. There is a tension spring disposed on the linkage member and the fixing seat. The end of a handbrake wire is fixed to the linkage member. As a result, the caliper structure is able to provide both the footbrake function and the handbrake function.

Description

Car brake caliper structure

The invention relates to a caliper structure of an automobile brake, in particular to a caliper structure which has the functions of an ankle and a handcart.

According to the general car brake system, it is divided into an ankle car and a handcart. When the vehicle wants to stop while traveling, the pedal car is used to stop the vehicle from advancing. When the vehicle stops, the car is braked by the handcart to prevent the car from sliding. However, the caliper device mounted on the wheel of the automobile is not provided with a driving mechanism for driving the handlebar to drive the blade, so the general caliper device must be additionally provided with a clamping device for driving the handlebar to make the tablet. In order to use the clamping device to generate the handcart when the user pulls the handrail, there is a caliper device to add a hook structure to the sheet, and the brake line is connected to the handrail. In this way, when the user steps on the brake pedal, the piston is pushed by the piston in the caliper device to clamp the clip to the two sides of the disc, and the hydraulic pedal is used to achieve the function of the pedal, and the hand is held by hand. The brake lever is driven by the brake line to push the hook structure to push the clip to the sides of the disc, and mechanically achieve the function of the handbrake. However, the conventional hand brake structure The mechanical structure is added to the caliper device to drive the piece to move. The components are more complicated, and when the hook is driven to make the piece to be clamped, the clamping force is insufficient, and the vehicle is still insufficient due to insufficient clamping force. The dangerous situation of slipping occurs.

The main object of the present invention is to provide a caliper structure for a brake of an automobile, which can effectively solve the lack of the brake mechanism provided in the pedal car and the handcart of the conventional automobile.

The caliper structure of the automobile brake of the present invention is mainly provided with a caliper body, wherein the caliper body is provided with a card slot for the wheel of the wheel, and the card slot is provided with two pieces, the opposite wall of the card slot Each of the upper portions is provided with a plurality of piston chambers, and each of the piston chambers is provided with a piston, and the piston system can push the other piece to be clamped on the disc of the wheel. The caliper body is provided with an oil passageway, and the oil passage channel is provided Connected to each piston chamber; characterized in that: a pedestal is disposed on the upper portion of the caliper body, the top surface of the pedestal is provided with a plurality of screw holes, the pedestal is provided with a cavity, and a groove is provided at the bottom of the accommodating chamber The groove is connected with the oil passageway between the piston chamber, and an oil inlet is provided on one side of the base, and an oil inlet hole connected to the chamber is disposed in the oil inlet. a plurality of leakage preventing washers are embedded in the wall of the chamber, a compression spring is disposed in the recess, and an anti-pushing piston is disposed in the housing and located above the compression spring, and the top surface of the anti-pistoning piston is Set as a chamfered surface, the chamfered surface is provided with a curved chute, and a fixed seat is disposed on the Above the pedestal, the fixing seat is screwed to the screw hole of the base by a plurality of screwing elements, and the fixing seat is provided with an arcuate guiding groove corresponding to the anti-pushing piston On the curved chute, the fixing seat is provided with a linking member, and the bottom of the connecting member is provided with a push rod, the push rod is disposed in the arcuate guiding groove of the fixing seat, and the bottom end of the pushing rod is located a pivoting shaft is disposed between the fixing seat and the connecting member, and the pivoting shaft is screwed on one of the screw holes of the base, and the stretching is performed. One end of the spring is fixed on the connecting member, and the other end of the tension spring is fixed on the fixing seat, and a positioning seat is disposed on the fixing seat, and the positioning seat is provided with a hand brake line. The end of the trolley wire is fixed to the linkage.

The caliper structure of the automobile brake of the present invention, wherein the oil inlet hole on the base is located between the two leakage preventing washers in the chamber.

The caliper structure of the automobile brake of the invention has the advantages that: the hand brake driving structure is directly arranged on the caliper body, and the hydraulic pressure and the piston inside the caliper are actuated by the hand brake driving structure to drive the piece to move the pedal car or the hand. The function of the brakes makes the overall structure of the brake system more streamlined, which can reduce the manufacturing cost, make the operation more convenient, and make the brakes and parking more safe.

For the purpose of the present invention, the preferred embodiments of the invention are as follows:

For the embodiment of the present invention, as shown in the first, second and third figures, a caliper body 1 is mainly provided, and the caliper body 1 is provided with a card slot 10 for the disk A of the wheel, the card slot 10 There are two pieces 11 (as shown in the third figure), and the two opposite sides of the card slot 10 are respectively provided with a plurality of piston chambers 12, and each of the piston chambers 12 is provided with a piston 13, which is provided with a piston 13 The squeegee body 1 is provided with an oil passage 14 which communicates with each of the piston chambers 12, and the upper portion of the caliper body 1 is disposed on the disc A. There is a base 15 . The top surface of the base 15 is provided with a plurality of screw holes 150 . The base 15 is provided with a cavity 16 . The bottom of the cavity 16 is provided with a recess 17 , and the recess 17 and the piston chamber 12 . An oil passage 14 is connected between the oil passages 14 , and an oil inlet 18 is disposed on one side of the base 15 . The oil inlet 18 is provided with an oil inlet hole 19 obliquely communicating to the chamber 16 . A plurality of leakage preventing washers 2 are disposed on the wall surface of the 16, and the oil inlet holes 19 are located between the two leakage preventing washers 2 in the chamber 16, and a compression spring 3 is disposed in the recess 17 One The push piston 4 is disposed in the chamber 16 and located above the compression spring 3, and the top surface of the thrust piston 4 is a chamfered surface 40. The chamfer surface 40 is provided with a curved sliding groove 41, which is fixed. The base 5 is disposed above the base 15 . The fixing base 5 is screwed to the screw hole 150 of the base 15 by a plurality of screwing elements 50 . The fixing base 5 is provided with an arcuate guide groove 51 . One end of the fixing base 5 is bent with an upright portion 52, and a connecting member 6 is disposed above the fixing base 5. The bottom of the connecting member 6 is provided with a push rod 60, and the push rod 60 is disposed on the fixing base 5 In the arcuate guide groove 51, the bottom end of the push rod 60 is located in the arcuate chute 41 of the anti-pushing piston 4, and a pivot 61 is disposed between the fixing base 5 and the linking member 6, the pivot 61 is a screw hole 150 which is screwed on the base 15 by a screwing member 62. One end of a tension spring 63 is fixed on the linking member 6, and the other end of the tension spring 63 is fastened. The positioning base 7 is disposed on the fixing base 5, and the positioning seat 7 is provided with a hand brake line 8, and the end portion 80 of the handcuffed vehicle line 8 is composed of a The fixing piece 81 is fixed to The interlocking member 6, thus, is the brake caliper structure of a car.

When assembling, please refer to the first to third figures. First, the compression spring 3 is placed in the recess 17 of the base 15 of the caliper body 1, and the thrust piston 4 is placed in the chamber 16 of the base 15. The piston 4 is inserted into the plurality of leakage preventing washers 2 in the chamber 16, and the leakage preventing washer 2 is tightly sleeved on the wall surface of the anti-pushing piston 4, and the compression spring 3 will The urging piston 4 is pushed upwards so that the urging piston 4 does not block into the oil hole 19, and then the fixing base 5 is screwed to the base 15 by the screwing member 50, so that the fixing seat 5 is curved. The guiding groove 51 is opposite to the curved sliding groove 41 of the pushing piston 4, and the push rod 60 of the linking member 6 is disposed in the arcuate guiding groove 51 of the fixing base 5, and the bottom end of the pushing rod 60 is set In the arcuate chute 41 of the thrust piston 4, the push rod 60 is located at a low point on the chamfered surface 40 of the thrust piston 4, and the pivot 61 of the linking member 6 is screwed to the base by the screwing member 62. One of the holes 15 of the seat 15 is such that assembly can be completed.

When using, please refer to the fourth to seventh figure. When the user pedals on the foot of the car, the brake master cylinder pushes the brake oil from the oil inlet 18 on the base 15 through the oil inlet hole 19 to the brake hole. The chamber 16 of the susceptor 15 is further inserted into the piston chambers 12 via the oil passages 14 by the grooves 17, and the pistons 13 in the piston chambers 12 are pushed, thereby pushing the sheets 11 to be clamped. The action of the disc A (as shown in the fourth figure) forms the function of the pedal car. When the pedal car is released, the brake oil is returned from the oil inlet hole 19 and the oil inlet port 18 to the brake master cylinder. 11, the action of releasing the disc A is released (this is a conventional technique, so it will not be described again); and when the user pulls the hand in hand, the handcart line 8 drives the linkage provided above the caliper body 1. 6 actuation, the linkage 6 is pivoted about the pivot 61 (as shown in the seventh figure), and when the linkage 6 is rotated, the tension spring 63 is elastically stretched, and below the linkage 6 The bottom end of the push rod 60 moves along the arcuate guide groove 51 of the fixed seat 5 and the arcuate chute 41 of the thrust piston 4, and the push rod 60 is in the curved chute 41 of the thrust piston 4. Moving from the low point to the high point (as shown in the fifth figure), when the push rod 60 moves to the high point of the push piston 4, the push piston 4 is pushed downward, and the push piston 4 moves downward to resist the pressure. The lower compression spring 3 is in an elastically compressed state, and the lower piston 4 is moved downwardly into the lowermost leakage preventing gasket 2 to block the oil inlet hole 19 of the base 15 (as shown in the fifth figure). The brake oil can not be returned from the oil inlet hole 19, and the brake oil in the chamber 16 is pressed downward by the thrust piston 4, and the groove 17 enters each piston chamber 12 via the oil passage 14 and will be respectively The piston 13 is pushed to push the second piece 11 to act as a clamping disc A, forming a parking function of the handcart. When the handcart is released, the tension spring 63 is elastically restored, and the linking member 6 and The hand brake line 8 is pulled back to the original position, and the push rod 60 below the linkage member 6 is pulled back to the low point position on the inclined surface 40 of the thrust piston 4, and at the same time, the compression under the piston 4 is pushed. The spring 3 also elastically recovers, pushing the anti-pushing piston 4 upward to the original position, and pushing the lower part of the piston 4 out of the lowermost leakage prevention in the chamber 16 Circle 2, no longer blocked into the oil hole 19, the brake oil can be returned from the chamber 16 through the oil hole 19, the oil inlet 18 to the brake master cylinder, and the second piece 11 is returned to the release of the disc A Therefore, the present invention directly has a driving structure of the handcart on the caliper body 1, and the hydraulic pressure inside the caliper body 1 and the piston 13 are actuated by the driving structure of the handcart to push the piece 11 to perform the pedal car or the handcart. The utility model makes the overall structure of the brake system more streamlined, can reduce the manufacturing cost, is more convenient to operate and use, and is hydraulically actuated to brake and park, so that the driving is more safe.

In view of the above, the present invention has achieved the intended use and efficacy, and is more desirable and practical than the prior art, but the above embodiments are only specifically described for the preferred embodiment of the present invention. The present invention is not intended to limit the scope of the invention, and all other equivalents and modifications may be included in the scope of the invention covered by the invention.

A‧‧‧disc
1‧‧‧ caliper body
10‧‧‧ card slot
11‧‧‧来片
12‧‧‧Piston room
13‧‧‧Piston
14‧‧‧ Oil passage
15‧‧‧Base
150‧‧‧ screw hole
16‧‧ ‧ room
17‧‧‧ Groove
18‧‧‧Inlet
19‧‧‧Inlet hole
2‧‧‧ leakproof gasket
3‧‧‧Compression spring
4‧‧‧Resist the piston
40‧‧‧ Oblique cut surface
41‧‧‧Arc chute
5‧‧‧ Fixed seat
50‧‧‧ screw components
51‧‧‧Shave guides
52‧‧‧Upright Department
6‧‧‧ linkages
60‧‧‧Put
61‧‧‧ pivot
62‧‧‧ Screw components
63‧‧‧ stretching spring
7‧‧‧ Positioning Block
8‧‧‧Handcart car line
80‧‧‧ end
81‧‧‧Fixed tablets

The first figure is an exploded perspective view of an embodiment of the present invention. The second figure is a three-dimensional combination diagram of an embodiment of the present invention. The third figure is a combined cross-sectional view of an embodiment of the present invention. The fourth figure is a schematic view of the action of the pedal car according to the embodiment of the present invention. The fifth figure is a schematic view of the operation of the handbrake of the embodiment of the present invention. The sixth figure is a top view of the handbrake that is not actuated according to the embodiment of the present invention. FIG. 7 is a top plan view showing the operation of the handbrake of the embodiment of the present invention.

Claims (2)

The utility model relates to a caliper structure of an automobile brake, which mainly comprises a caliper body, wherein the caliper body is provided with a card slot for the wheel of the wheel, wherein the card slot is provided with two pieces, and the two slots of the card slot are opposite to each other. Each of the piston chambers is provided with a plurality of piston chambers, and each of the piston chambers is provided with a piston, and the piston system can push the other sheet to be clamped on the disc of the wheel. The caliper body is provided with an oil passageway, and the oil passage channel is provided. Connected to each of the piston chambers; characterized in that: a pedestal is disposed on the upper portion of the caliper body, the top surface of the pedestal is provided with a plurality of screw holes, the pedestal is provided with a cavity, and the bottom of the cavity is provided with a concave a groove, the groove is connected with the oil passageway between the piston chamber, and an oil inlet is provided on one side of the base, and an oil inlet hole connected to the chamber is disposed in the oil inlet, a plurality of leakage preventing washers are embedded in the wall surface of the chamber, a compression spring is disposed in the recess, and an anti-pushing piston is disposed in the housing and located above the compression spring, the top surface of the anti-piston piston The system is set as a chamfered surface, and the chamfered surface is provided with a curved chute, and a fixed seat is arranged on the Above the pedestal, the fixing seat is screwed to the screw hole of the base by a plurality of screwing elements, and the fixing seat is provided with an arcuate guiding groove corresponding to the urging piston On the curved chute, the fixing seat is provided with a linking member, and the bottom of the connecting member is provided with a push rod, the push rod is disposed in the arcuate guiding groove of the fixing seat, and the bottom end of the pushing rod is a pivoting groove is disposed between the fixing seat and the linking member, and the pivoting shaft is screwed on one of the screw holes of the base by a screwing element. One end of the extension spring is fixed on the linking member, and the other end of the tension spring is fixed on the fixing seat, and a positioning seat is disposed on the fixing seat, and the positioning seat is provided with a hand brake line The end of the handcart line is fixed to the linkage. The caliper structure of the automobile brake according to claim 1, wherein the oil inlet hole on the base is located between the two leakage preventing washers in the chamber.