CN201714873U

CN201714873U - Brake caliper

Info

Publication number: CN201714873U
Application number: CN201020194340XU
Authority: CN
Inventors: 郭荣彬
Original assignee: Sanyang Industry Co Ltd
Current assignee: Sanyang Industry Co Ltd
Priority date: 2010-05-11
Filing date: 2010-05-11
Publication date: 2011-01-19
Anticipated expiration: 2020-05-11

Abstract

The utility model relates to a brake caliper, which comprise a cylinder block, a piston, an intermediate element, a base, a holding chamber and a brake element. The cylinder block comprises a first positioning portion. The piston can be disposed in the cylinder block by means of moving along an axle center. The intermediate element is coupled with the piston. The base is arranged between the cylinder block and the intermediate element and comprises a second positioning portion, the second positioning portion matches with the first positioning portion of the cylinder block, and the base moves along the axle center under lamination of the first positioning portion and the second positioning portion which match with each other. The holding chamber is disposed between the base and the cylinder block. The brake element is arranged between the piston and a disk. When hydraulic oil is delivered to the holding chamber, the hydraulic oil drives the base to move, and the base drives the intermediate element to push the piston so as to drive the brake element to brake the disk. The hydraulic oil in a brake master cylinder does not need to be replenished during operation, the size of an oil cup of the brake master cylinder can be reduced, and the oil cup can be easily concealed in the structure.

Description

The brake clamp

Technical field

The utility model relates to a kind of brake clamp, particularly relevant for a kind of brake clamp of the lubricating cup volume that can reduce general braking pump.

Background technique

Fig. 1 represents the generalized section of known parking device M0 and brake clamp K0.Parking device M0 mainly can divide into an automatic adjusting mechanism A0 and a driving mechanism B0 constitutes.Driving mechanism B0 so can brake and limit the rotation of brake disc 33 for brake disc 33 mainly in order to promote automatic adjusting mechanism A0.

Brake clamp K0 mainly is made up of a cylinder body 1, a piston 2, one interior brake block 31 and an outer brake block 32.Cylinder body 1 comprises a round barrel shape casing wall 113 and a claw 114.Inside and outside brake block the 31, the 32nd is arranged on the cylinder body 1 via claw 114.Interior brake block 31 comprises a projection 311.When driving mechanism B0 promotes automatic adjusting mechanism A0, so just can make the inside and

outside brake block

31,32 of brake clamp K0 brake and limit the rotation of brake disc 33 for brake disc 33.

Automatic adjusting mechanism A0 is the length of regulating mechanism in time according to the activated position of piston 2 mainly, so makes can keep certain mechanical rigid speciality between piston 2 and the cylinder body 1.Automatic adjusting mechanism A0 comprises mainly that piston 2, a C type buckle 21, spring 22, a pad 23, a ball bearing 24, one first element 104, one second element 25, a C type are buckled 101, one spring seat 102 and a pressure spring 103.Second element 25, ball bearing 24, pad 23, spring 22 are arranged at the inner core 200 of piston 2 in regular turn and utilize the C type to buckle 21 and be fixed in the inner core 200 of piston 2 and reach the effect of restriction, and have utilized the projection 311 of interior brake block 31 and the rotation of limited piston 2 in the piston 2 and the contact segment of interior brake block 31.112 sockets of one oil sealing are arranged between the casing wall 113 of piston 2 and cylinder body 1, by this to avoid leaking outside of brake-fluid (not shown).In addition, first element 104 buckles 101 and be positioned on the driving mechanism B0 by pressure spring 103, spring seat 102 and C type, and the C type to buckle 101 be to be sticked among the round barrel shape casing wall 113 of cylinder body 1.Has internal screw thread 1041 on the part-structure of first element 104, and has outside thread 251 on the part-structure of second element 25, when 2 groups in piston stands on the round barrel shape casing wall 113 of cylinder body 1, be mutual interlock between the internal screw thread 1041 of first element 104 and the outside thread 251 of second element 25.

Driving mechanism B0 comprises that mainly most steel balls 105, drive seat 106, one base 107, a rocking arm 109 and an oil sealing 110.Base 107 is arranged at the bottommost 1130 in the round barrel shape casing wall 113 of cylinder body 1, a most steel ball 105 are arranged on and drive between seat 106 and the base 107, and be provided with a steel ball seat (not shown) in the contact segment that drives seat 106, base 107 and steel ball 105, when driving seat 106 and be rotated, can cause the last variation of distance that drives between seat 106 and the base 107 by the rolling of steel ball 105.The opposite side that drives seat 106 contacts with first element 104 of automatic adjusting mechanism A0.Drive seat 106 and comprise a driveshaft 1060, this driveshaft 1060 be extend to by the inside of cylinder body 1 the outside of cylinder body 1 and and rocking arm 109 between interconnect, rocking arm 109 is driven by a cable wire (not shown), so can make driving 106 rotate.In addition, in the round barrel shape casing wall 113 of cylinder body 1, have between chute 111, the first elements 104 and the base 107 and can engage mutually, and can limit mutual rotation between first element 104 and the base 107 by chute 111 via chute 111.

When starting parking function, can make that by cable wire pulling rocking arm 109 driving seat 106 is rotated, the rolling of a most steel ball 105 can make that driving seat 106 generations moves axially, so just, can promote first element 104, second element 25 in regular turn to piston 2, inside and

outside brake block

31,32 is braked for brake disc 33.In hydraulic oil injects cylinder body 1 and make piston 2 carry out when mobile, the C type is buckled 21 and is promoted spring 22 in regular turn, pad 23, ball bearing 24 to second elements 25, but because second element 25 and the 104 mutual interlocks of first element (that is, between the internal screw thread 1041 of first element 104 and the outside thread 251 of second element 25 is mutual interlock) and first element 104 be to be positioned on the driving mechanism B0, to make this moment second element 25 that rotation phenomenon takes place, allow distance between piston 2 and the driving mechanism B0 increase or elongate, can make that so just piston 2 orders about in,

outer brake block

31,32 brake and reach the effect of brake for brake disc 33.

Yet, after the brake block of hydraulic brake system is worn away, because the space of the grease chamber of brake clamp just can relatively increase, and because the hydraulic oil in the general braking pump need be supplemented to the brake clamp, thus the lubricating cup of general braking pump (not shown) capacity and the hydraulic oil that held must be quite sufficient.Specifically, for consider the specific machine that lubricating cup must be hidden in down in the car body (not shown) in moulding for, the excessive lubricating cup of this volume is the requirement that quite is not easy to reach this hiding property.

The model utility content

The purpose of this utility model provides the automatic adjustment type brake of a kind of improvement clamp, and these brake clamp can utilize a hydraulic oil to brake for a disc.

The purpose of this utility model is achieved in that the brake clamp comprise a cylinder body, a piston, an intermediary element, a base, a room and a braking member.Cylinder body comprises one first positioning part.Piston is arranged among the cylinder body carrying out move mode along an axle center.Intermediary element is coupled to piston, and can produce relative movement between intermediary element that couples mutually and the piston.Base is arranged between cylinder body and the intermediary element, and base comprises one second positioning part, and second positioning part is matched with first positioning part of cylinder body, first positioning part that base is cooperatively interacted and the restriction of second positioning part and move along the axle center.Room is arranged between base and the cylinder body, and hydraulic oil can be contained in room.Braking member is arranged between piston and the disc.When hydraulic oil was transported to room between base and the cylinder body, hydraulic oil drove base and moves along the axle center, and base drives intermediary element and promote piston, by the piston actuated braking member to brake for disc.

First positioning part of cylinder body is a groove, and second positioning part of base is a pin portion.

The brake clamp more comprise an oil sealing, and this oil sealing is arranged between base and the casing wall.

After hydraulic oil was released, the brake disc was that driven plunger moves and intermediary element is subjected to the driving of piston and produces rotation, so to cause the distance between piston and the base to increase.

Be to couple mutually between intermediary element and the piston with screw thread.

The brake clamp more comprise a bearing, and bearing is arranged between piston and the intermediary element.Bearing is a ball bearing.

In addition, another embodiment of the present utility model provides a kind of brake clamp, and these brake clamp utilize a hydraulic oil to brake for a disc.Brake clamp of the present utility model comprise a cylinder body, a piston, one first element, one second element, a room and a braking member.Cylinder body comprises one first positioning part.Piston is arranged among the cylinder body carrying out move mode along an axle center.First element comprises one second positioning part.Second element is arranged between the piston and first element and is coupled to first element, can produce relative movement between first element that couples mutually and second element, wherein, second positioning part of first element is matched with first positioning part of cylinder body, first positioning part that first element is cooperatively interacted and the restriction of second positioning part and move along the axle center.Room is arranged between first element and the cylinder body, and hydraulic oil can be contained in room.Braking member is arranged between piston and the disc.When hydraulic oil was transported to room between first element and the cylinder body, hydraulic oil drove first element and moves along the axle center, and first element drives, second element and promote piston, by the piston actuated braking member to brake for disc.

The utility model has the advantages that owing to be not need to replenish in the operating process of brake clamp for the hydraulic oil of a general braking pump inside, so just can dwindle general braking pump lubricating cup size and be easy to be hidden among the set structure.

Description of drawings

Fig. 1 represents the generalized section of known parking device and brake clamp;

Fig. 2 is the brake schematic representation of clamp of the utility model first embodiment;

Fig. 3 is the brake schematic representation of clamp of the utility model second embodiment.

The primary component symbol description

1～cylinder body

101～C type is buckled

102～spring seat

103～pressure spring

104～the first elements

1041～internal screw thread

105～steel ball

106～driving seat

1060～driveshaft

107～base

109～rocking arm

110～oil sealing

111～chute

112～oil sealing

113～round barrel shape casing wall

1130～bottommost

114～claw

2～piston

21～C type is buckled

22～spring

23～pad

24～ball bearing

25～the second elements

251～outside thread

31～interior brake block

311～projection

32～outer brake block

33～brake disc

4～cylinder body

401～C type is buckled

402～spring seat

403～pressure spring

404～intermediary element

4043～pin portion

4041～external thread part

4042～endoporus

4043～pin portion

4044～peripheral column ring portion

405～ball bearing

406～pad

407～base

4071～circumferential surface

4072～the second positioning parts

408～room (grease chamber)

4081～oil inlet hole

409～rocking arm

410～oil sealing

411～oil sealing

412～steel ball

413～round barrel shape casing wall

413r～first positioning part

414～claw

415～driving seat

4151～driveshaft

5～piston

50～center axial region

500～interior bucket position

51～internal thread part

52～C type is buckled

53～spring

54～pad

55～ball bearing

56～the second elements

561～internal thread part

6～braking member

61～interior brake block

611～projection

62～outer brake block

63～brake disc

A0～automatic adjusting mechanism

A1～automatic adjusting mechanism

A2～automatic adjusting mechanism

A-a～axle center

B0～driving mechanism

B1～driving mechanism

B2～driving mechanism

C1～brake clamp

C2～brake clamp

K0～brake clamp

L～cable wire

M0～parking device

P～general braking pump

P01～brake oil pipe

W～hydraulic oil

Embodiment

Fig. 2 represents the brake schematic representation of clamp C1 of the utility model first embodiment.Brake clamp C1 comprise a cylinder body 4, an automatic adjusting mechanism A1, a driving mechanism B1, with the braking member 6 with inside and

outside brake block

61,62.

Cylinder body 4 comprises a round barrel shape casing wall 413, a claw 414 and one first positioning part 413r, wherein, the inside and

outside brake block

61,62 of braking member 6 is arranged on the claw 414, automatic adjusting mechanism A1 and driving mechanism B1 are arranged on the round barrel shape casing wall 413, and the first positioning part 413r is formed on the round barrel shape casing wall 413.The interior brake block 61 of braking member 6 has a projection 611.In present embodiment, the first positioning part 413r is a groove that is formed at round barrel shape casing wall 413.

Automatic adjusting mechanism A1 comprises that a C type buckles 401, one spring seat 402, a pressure spring 403, an intermediary element 404, a ball bearing 405, a pad 406 and the piston 5 with a center axial region 50.Intermediary element 404 has an external thread part or external screw thread 4041, and the center axial region 50 of piston 5 has an internal thread part or interior threaded hole 51.The C type is buckled 401 and in regular turn spring seat 402, pressure spring 403, pad 406, ball bearing 405, intermediary element 404 is positioned on the driving mechanism B1.When piston 5 is assemblied on the cylinder body 4 round barrel shape casing walls 413, this moment piston 5 the external thread part 4041 of internal thread part 51 and intermediary element 404 between mutual interlock.The projection 611 of interior brake block 61 rotates with limited piston 5 by the projection 611 of interior brake block 61 on the contact position between the interior brake block 61 of piston 5 and braking member 6.

Driving mechanism B1 comprises that a base 407, a Rocker arm 4 09, most individual steel ball 412 and with one second positioning part 4072 drive seat 415.One side contacts of base 407 is in intermediary element 404, and formed between base 407 and cylinder body 4 and have a room (or grease chamber) 408, and this room 408 is connected in the brake oil pipe P01 of a general braking pump P via an oil inlet hole 4081.One oil sealing 411 is arranged between the periphery 4071 and casing wall 413 of base 407, so can avoid hydraulic oil W to produce and leak outside improperly.Second positioning part 4072 of base 407 movably is matched with the first positioning part 413r of cylinder body 4, so make base 407 only limit to along axle center a-a move back and forth that is, can not rotate.In present embodiment, second positioning part 4072 of base 407 is a pin portion.A most steel ball 412 are arranged at most steel ball seats (not shown) between base 407 and the driving seat 415.The opposite side that drives seat 415 is contacted with cylinder body 4, and the driveshaft 4151 of driving seat 415 is extended to the outside and is connected in Rocker arm 4 09 by the inside of cylinder body 4.Rocker arm 4 09 is connected in a cable wire L.

When carrying out the Parking operation, make that by cable wire L pulling Rocker arm 4 09 driving seat 415 is rotated, plural steel ball like this 412 produces and rolls and make base 407 that axial displacements take place and promote intermediary element 404, piston 5 in order, can utilize piston 5 to drive the inside and outside brake block 61,62 of braking members 6 by this and brakes for brake disc 63.When hydraulic oil W when brake oil pipe P01 flows into the room 408 via oil inlet hole 4081, the hydraulic oil W of room 408 promotes base 407, and base 407 overcomes the resiliently deformable of oil sealing 411 and promotes intermediary element 404, piston 5 in order, so just can brake for brake disc 63 by piston 5 drives the inside and outside brake block 61,62 of braking member 6, and then reach the brake purpose.After hydraulic oil W is released, oil sealing 411 retracts base 407, the inside and outside brake block 61,62 of braking member 6 and piston 5 braked disc 63 rotation and unclamp naturally, pressure spring 403 is pushed pad 406, ball bearing 405, intermediary element 404 to base 407, intermediary element 404 was pullled by piston 5 and was caused the rotation of intermediary element 404 and made the distance between piston 5 and the base 407 increase this moment, so just can compensate for the space that wearing and tearing increased because of the inside and outside brake block 61,62 of braking member 6.Moreover, because in the operating process of brake clamp C1 is not need to replenish from the hydraulic oil W of general braking pump P inside, so just can dwindles lubricating cup (not shown) size of general braking pump P and be easier to be hidden among the set car body (not shown) or other structure.

Fig. 3 represents the schematic representation according to the utility model second embodiment's brake clamp C2.Brake clamp C2 mainly comprises the halting mechanism that a cylinder body 4, an automatic adjusting mechanism A2 and a driving mechanism B2 formed, the braking member 6 with inside and outside brake block 61,62.Cylinder body 4 comprises a claw 414 and a round barrel shape casing wall 413, and wherein, the inside and

outside brake block

61,62 of braking member 6 is arranged at claw 414, and automatic adjusting mechanism A2 and driving mechanism B2 are arranged on the round barrel shape casing wall 413.

Automatic adjusting mechanism A2 comprises that mainly a C type buckles 401, one spring seat 402, a pressure spring 403, one first element 404, a piston 5, a C type and buckle 52, one spring 53, a pad 54, a ball bearing 55 and one second element 56.Second element 56, ball bearing 55, pad 54, spring 53 are arranged at the interior bucket position 500 of piston 5 in regular turn, utilize the C type to buckle the 52 interior bucket positions 500 of being fixed in piston 5 at last.On the contact position between the interior brake block 61 of piston 5 and braking member 6, the projection 611 of interior brake block 61 that utilizes braking member 6 is with the rotation of limited piston 5.In addition, first element 404 buckles 401 and be positioned on the driving mechanism B2 via pressure spring 403, spring seat 402 and C type, and the C type is buckled 401 and is sticked among the round barrel shape casing wall 413 of cylinder body 4.On the contact position between first element 404 and the driving mechanism B2, have an endoporus 4042, and have an external thread part 4041 in the opposite side of first element 404.Second element 56 has an internal thread part 561.When 5 groups in piston stands on the round barrel shape casing wall 413 of cylinder body 4, be mutual interlocking pattern between the external thread part 4041 of first element 404 and the internal thread part 561 of second element 56.One oil sealing 411 is sheathed between the round barrel shape casing wall 413 of the peripheral column ring portion 4044 of first element 404 and cylinder body 4, can prevent that so the hydraulic oil W in the formed room (or grease chamber) 408 leaks between first element 404 and the round barrel shape casing wall 413, one pin portion 4043 of first element 404 can be sticked in round barrel shape casing wall 413 bottoms, can be used to limit the rotation of first element 404.Room 408 has a filler opening 4081, and this filler opening 4081 is connected in a brake oil pipe P01.

Driving mechanism B2 comprises that mainly a Rocker arm 4 09, an oil sealing 410, a steel ball 412 and drive seat 415.Driving seat 415 is arranged among the endoporus 4042 of first element 404, a most steel ball 412 are arranged between driving seat 415 and first element 404, and the contact position that drives between seat 415, first element 404 and the most individual steel ball 412 is provided with most steel ball seats (not shown).When driving seat 415 when axle center a-a is rotated, can roll by steel ball 412, change the variable in distance that drives seat 415 and first element 404.The opposite side that drives seat 415 is contacted with cylinder body 4, and a driveshaft 4151 that drives seat 415 is extended to the outside of cylinder body 4 by cylinder body 4 inside, and the driveshaft 4151 of position in cylinder body 4 outsides is connected in Rocker arm 4 09, and Rocker arm 4 09 is connected in a cable wire L.

When starting parking function, cable wire L spurs Rocker arm 4 09 and makes that driving seat 415 generations rotates, steel ball 412 rollings move axially 404 generations of first element can promote second element 56 in regular turn to piston 5, makes the inside and outside brake block 61,62 of braking member 6 carry out clamping for brake disc 63.In the time of when hydraulic oil W flows into room 408 through oil inlet hole 4081 among, first element 404 is subjected to the hydraulic pressure of hydraulic oil W and moves, this moment, first element 404 promoted second element 56 in regular turn to piston 5, made the inside and outside brake block 61,62 of braking member 6 carry out clamping for brake disc 63.In case behind the releasing oil pressure, first element 404 spring 403 by compression pushes back starting point, because interlock mutually between second element 56 and first element 404, rotation phenomenon will take place in second element 56 this moment, allow piston 5 and the distance of driving mechanism B2 elongate, can remedy inside and outside brake block 61,62 spaces that worn away of braking member 6, the clamp that therefore brake do not need additionally to replenish hydraulic oil W because of the abrasion of the brake block 61,62 of braking member 6, can reduce the volume of general braking pump lubricating cup.

Claims

One kind the brake clamp, it is characterized in that these brake clamp comprise:

One cylinder body comprises one first positioning part;

One piston is arranged among this cylinder body carrying out move mode along an axle center;

One intermediary element is coupled to this piston, can produce relative movement between this intermediary element that couples mutually and this piston;

One base, be arranged between this cylinder body and this intermediary element, this base comprises one second positioning part, and this second positioning part is this first positioning part that is matched with this cylinder body, this first positioning part that this base is cooperatively interacted and the restriction of this second positioning part and move along this axle center;

One room is arranged between this base and this cylinder body, and this hydraulic oil is contained in this room; And

One braking member is arranged between this piston and this disc;

When this hydraulic oil was transported to this room between this base and this cylinder body, this hydraulic oil drove this base and moves along this axle center, and this base drives intermediary element and promote piston, by the piston actuated braking member to brake for this disc.
2. brake clamp as claimed in claim 1, first positioning part that wherein is characterised in that this cylinder body is a groove, this of this base second positioning part is a pin portion.
3. brake clamp as claimed in claim 1 is characterized in that comprising an oil sealing, and this oil sealing is arranged between this base and this casing wall.
4. brake clamp as claimed in claim 1, it is characterized in that after this hydraulic oil is released, this brake disc driven plunger moves and this intermediary element is subjected to the driving of this piston and produces rotation, so to cause the distance between this piston and this base to increase.
5. brake clamp as claimed in claim 1 is characterized in that between this intermediary element and this piston be to couple mutually with screw thread.
6. brake clamp as claimed in claim 1 is characterized in that comprising a bearing, and this bearing is arranged between this piston and this intermediary element.
7. brake clamp as claimed in claim 6 is characterized in that this bearing is a ball bearing.
One kind the brake clamp, it is characterized in that these brake clamp comprise:

One cylinder body comprises one first positioning part;

One piston is arranged among this cylinder body carrying out move mode along an axle center;

One first element comprises one second positioning part;

One second element, be arranged between this piston and this first element and be coupled to this first element, can produce relative movement between this that couples first element and this second element mutually, wherein, this second positioning part of this first element is first positioning part that is matched with this cylinder body, and this first element is the restriction of this first positioning part of being cooperatively interacted and this second positioning part and moving along this axle center;

One room is arranged between this first element and this cylinder body, and this hydraulic oil can be contained in this room; And

One braking member is arranged between this piston and this disc;

When this hydraulic oil is transported to this room between this first element and this cylinder body, this hydraulic oil drives this first element and moves along this axle center, and this second element of this first element drives and promote this piston, by this braking member of this piston actuated to brake for this disc.
9. brake clamp as claimed in claim 8 is characterized in that this first positioning part of this cylinder body is a groove, and this second positioning part of this first element is a pin portion.
10. brake clamp as claimed in claim 8 is characterized in that comprising an oil sealing, and this oil sealing is arranged between this first element and this casing wall.
11. brake clamp as claimed in claim 8, it is characterized in that after this hydraulic oil is released, this brake disc drives that this piston moves and this second element is subjected to the driving of this first element and produces rotation, so to cause the distance increase between this piston and second element.
12. brake clamp as claimed in claim 8 is characterized in that between this first element and this second element it being to utilize screw thread and even mutually connecing.
13. brake clamp as claimed in claim 8 is characterized in that comprising a bearing, this bearing is arranged between this first element and this second element.
14. brake clamp as claimed in claim 13 is characterized in that this bearing is a ball bearing.