CN207762114U - Cable wire positioning card and holding brake device - Google Patents

Abstract

The utility model discloses a kind of cable wire positioning card and holding brake devices, wherein holding brake device includes brake caliper assy, brake disc, parking cable wire assembly and cable wire positioning card, parking torque arm holder of the cable wire positioning card for being fixed to parking cable wire assembly on brake caliper assy, parking cable wire assembly includes limited block, one end of limited block and parking torque arm holder are inconsistent, the other end is equipped with recessed portion, cable wire positioning card includes butting section and handle portion, butting section includes annular portion, set on the first lug boss of annular portion inner ring, second lug boss and third protrusion portion, when on cable wire positioning card inlay card to limited block, first lug boss, second lug boss and third protrusion portion are inconsistent with recessed portion, and cable wire positioning card is also inconsistent with the end face of parking torque arm holder, so that parking cable wire assembly is mutually fixed with brake caliper assy.Using the holding brake device of cable wire positioning card in the utility model, solve the problems, such as that existing arrestment mechanism stability is inadequate.

Description

Cable wire positioning card and holding brake device

Technical field

The utility model is related to automobile brake technical fields, position card more particularly to a kind of cable wire and parking braking fills It sets.

Background technology

With the improvement of living standards, more and more people select driving mode to go on a journey, high degree Facilitate daily life, wherein driver be frequently encountered during driving wait traffic lights, pedestrian gives way etc. stops Vehicle situation, at this time user need that foot steps on braking or parking braking is waited for a period of time, can be consolidated by arrestment mechanism at this time So that automobile is in halted state, therefore the stability of arrestment mechanism significantly influences the performance of automobile.

The automobile parking braking mechanism of the prior art include brake caliper assy, the brake disc in brake caliper assy and The parking cable wire of brake caliper assy work is controlled, wherein brake caliper assy includes caliper and holder, is equipped with and lives in the cylinder holes of caliper Plug, holder are equipped with spring leaf, and spring leaf is equipped with friction plate, and friction plate is in the bearing lower slider of spring leaf, and and brake disc Cooperation is formed, when user needs braking, braking is stepped on by foot and makes parking cable wire that brake caliper assy be pulled to start to work, so that Brake caliper assy controls friction plate and contradicts realization braking with brake disc.

However the parking cable wire of existing most of vehicles, when being connect with brake caliper assy, the fixed structure used is all U-shaped folder piece, and it is not provided with the structure of anti-dropout, after travelling a trip so as to cause vehicle, especially bumpy road rises U-shaped folder piece to fixed function is easy Automatic-falling, the Function of parking cable wire is influenced, so that existing arrestment mechanism Stability is inadequate.

Utility model content

Based on this, the purpose of this utility model is that proposing that a kind of cable wire positioning blocks and holding brake device, solution are existing The inadequate problem of arrestment mechanism stability.

The utility model provides a kind of cable wire positioning card, and specific technical solution is as follows：

A kind of cable wire positioning card, for when parking cable wire assembly and brake caliper assy are assembled, by the parking steel Rope assembly is fixed on the parking torque arm holder of the brake caliper assy setting, includes a limit on the parking cable wire assembly Block, one end of the limited block and the end face of the parking torque arm holder contradict, and the other end of the limited block passes through described stay Pilot hole on vehicle torque arm holder and it is equipped with a recessed portion, the cable wire positioning card includes a butting section and set on the butting section The handle portion of outer wall, the butting section include an annular portion and the first lug boss, second convex set on the annular portion inner ring Portion and third protrusion portion are played, the annular portion is the annulus card for including a notch, and the annular portion is in arc-shaped and radian is big In 180 degree, the diameter of the outer shroud of the annular portion is more than the diameter of the pilot hole, when the cable wire positions card inlay card to described It is separate on first lug boss, second lug boss and the third protrusion portion on the butting section when on limited block The end face of the annular portion is inconsistent with the recessed portion, and end of the cable wire positioning card also with the parking torque arm holder Face is inconsistent.

Cable wire provided by the utility model positioning card include butting section in the recessed portion for inlay card to limited block and For fixed handle portion easy to disassemble, wherein butting section is one circular, is equipped with a notch, by can from the indentation, there Cable wire to be positioned in card inlay card to recessed portion, and when cable wire positions card inlay card into recessed portion, the of butting section setting One lug boss, the second lug boss and third protrusion portion are inconsistent with recessed portion so that the inlay card that cable wire positioning card can consolidate In limited block, simultaneously because the outer diameter of butting section is more than the diameter of pilot hole so that one end of parking torque arm holder and limit The side wall of block contradicts, and the other end and cable wire positioning card are inconsistent, therefore will be stayed by what the cable wire of setting positioning card can consolidate Vehicle cable wire assembly is fixed on the parking torque arm holder of brake caliper assy, solves the problems, such as that existing arrestment mechanism stability is inadequate.

Block in addition, being positioned according to cable wire provided by the utility model, there can also be following additional technical characteristic：

Further, first lug boss is set to the just described position to notch of inner ring of the annular portion, and described the Two lug bosses and the third protrusion portion are respectively arranged on the both ends of the notch of the annular portion, first lug boss, described Two lug bosses and the end face of the third protrusion portion far from the annular portion are cambered surface, second lug boss and third protrusion portion Side wall close to the indentation, there is equipped with a chamfering.

Further, the handle portion includes the first connecting portion being connect with the butting section outer wall and with described First planar portions of one interconnecting piece connection, the first connecting portion are set to the position of notch described in the outer shroud face of the annular portion It sets, shape has angle between first planar portions and the butting section.

The utility model also provides a kind of holding brake device, including parking cable wire assembly and the parking cable wire assembly Carry out brake caliper assy, the brake disc in the brake caliper assy and the cable wire described above positioning of assembly connection Card, the parking cable wire assembly includes the first cable wire pin, cable wire, limited block, cable wire set and the second cable wire sequentially connected Pin, the first cable wire pin pass through the pilot hole and the brake caliper assy that parking torque arm holder opens up on the brake caliper assy On brake assemblies connection, the limited block is fixed to the guiding on the parking torque arm holder by cable wire positioning card Kong Shang.

Further, the limited block includes the first sub- limited block being sequentially arranged, recessed portion, the second sub- limited block and The diameter of three sub- limited blocks, the first sub- limited block and the second sub- limited block is less than or equal to the straight of the pilot hole Diameter, the diameter of the sub- limited block of third are more than the diameter of the pilot hole, and the thickness of the second sub- limited block is led with described Thickness to hole is identical, when by the limited block installation be fixed to the parking torque arm holder when, the first sub- limited block and The second sub- limited block passes through the pilot hole of the parking torque arm holder, the sub- limited block of third and the parking torque arm branch Frame end face is inconsistent, when cable wire positioning card fixing card is trapped in the recessed portion, the one of the cable wire positioning card End is inconsistent with the described first sub- limited block, and the side wall of the other end and the parking torque arm holder of the cable wire positioning card offsets It touches.

Further, the cable wire set is set in the outer layer of the cable wire, and the cable wire is equipped with multiple fixing pieces, described Fixing piece includes being set in the cable wire to cover the socket part of outer wall and be set in the fixed part of the socket part outer wall, described Socket part includes being sheathed on the upper sleeve part of cable wire set, and the internal diameter of the sleeve part is identical as the outer diameter that the cable wire covers, It is put on for being fixed to the cable wire, the fixed part includes the holding part for being socketed in the socket part outer wall, housed with described The second connecting portion of portion's connection and the second planar portions being connect with the other end of the second connecting portion, second plane Portion is vertical with the second connecting portion, and second planar portions are equipped with a circular through hole.

Further, the brake caliper assy include braking clamp body, piston, caliper holder, inner attrition piece, outside friction disc with And the brake assemblies, the braking clamp body are equipped with the hydraulic cylinder for housing the piston, the caliper holder is set to The side of the braking clamp body, the caliper holder are a U-shaped opening structure, and the inner attrition piece and the outside friction disc are set to The both sides for the U-shaped opening that the caliper holder opens up, and the inner attrition piece is set on the caliper holder close to the braking The side of caliper, the brake disc are installed between the inner attrition piece and the outside friction disc, and the brake assemblies can push The piston moves freely in the hydraulic cylinder.

Further, the brake assemblies are set to the one end of the braking clamp body far from the caliper holder, the braking Component includes the parking torque arm holder, movable plate and the torsional spring being connect respectively with the parking torque arm holder and movable plate, The wherein described parking torque arm holder is rotatablely connected with movable plate by a rotating member, the rotating member and the institute in the hydraulic cylinder Piston connection is stated, the piston can be pushed to move when the movable plate drives the rotating member rotation.

Further, the parking torque arm holder includes the first positioning region being rotatablely connected with the rotating member, connects respectively It is connected to the second positioning region and the third positioning region of the side of first positioning region, second positioning region is provided close to the work The side of movable plate, and, the third positioning inconsistent in the normal brakeless of the brake caliper assy and the movable plate Portion is disposed far from the side of the movable plate, and the third positioning region is equipped with the pilot hole.

Further, the movable plate includes the first movable part being rotatablely connected with the rotating member and with described Second movable part of the end connection of one movable part, second movable part are the movable plate by being bent to form, described the Side of two movable parts far from third positioning region offers a notch.

Description of the drawings

Fig. 1 is the structural schematic diagram for the holding brake device that one embodiment of the utility model proposes.

Fig. 2 is the configuration schematic diagram for the holding brake device that one embodiment of the utility model proposes.

Fig. 3 is the structural schematic diagram of parking cable wire assembly in the holding brake device that one embodiment of the utility model proposes.

Fig. 4 is the structural schematic diagram of cable wire positioning card in the holding brake device that one embodiment of the utility model proposes.

Fig. 5 is the structural schematic diagram of brake caliper assy in the holding brake device that one embodiment of the utility model proposes.

Fig. 6 is the enlarged structure schematic diagram of I part of Fig. 1 centre circles.

Fig. 7 is the enlarged structure schematic diagram of II part of Fig. 3 centre circles.

Fig. 8 is the configuration schematic diagram of fixing piece in Fig. 3.

Fig. 9 is the facing structure signal of cable wire positioning card in the holding brake device that one embodiment of the utility model proposes Figure.

Figure 10 is the detonation configuration signal of brake caliper assy in the holding brake device that one embodiment of the utility model proposes Figure.

Essential element symbol description

Holding brake device	10	Cable wire positioning card	20
				Parking cable wire assembly	30	Brake caliper assy	40
Brake disc	50	Butting section	21
				Handle portion	22	First cable wire pin	31
Cable wire	32	Limited block	33
				Cable wire set	34	Second cable wire pin	35
Fixing piece	36	Braking clamp body	41
				Caliper holder	42	Inner attrition piece	43
Outside friction disc	44	Brake assemblies	45
				Annular portion	211	First lug boss	212
Second lug boss	213	Third protrusion portion	214
				First connecting portion	221	First planar portions	222
First sub- limited block	331	Recessed portion	332
				Second sub- limited block	333	The sub- limited block of third	334
Socket part	361	Fixed part	362
				Parking torque arm holder	451	Movable plate	452
Torsional spring	453	Rotating member	454
				Sleeve part	3611	First annular projection	3612
Second annular projection	3613	Third annular projection	3614
				Holding part	3621	Second connecting portion	3622
Second planar portions	3623	First positioning region	4511
				Second positioning region	4512	Third positioning region	4513
Pilot hole	4514	First movable part	4521
				Second movable part	4522

Following specific implementation mode will further illustrate the utility model in conjunction with above-mentioned attached drawing.

Specific implementation mode

To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings to this The specific implementation mode of utility model is described in detail.Elaborate many details in order to abundant in the following description Understand the utility model.But the utility model can be much to implement different from other manner described here, this field Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs The limitation for the specific implementation opened.

It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side ", "upper", "lower" and similar statement for illustrative purposes only, do not indicate or imply the indicated device or member Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be Concrete meaning in the present invention.Term " and or " used herein includes one or more relevant Listed Items Any and all combinations.

It please refers to Fig.1 to Figure 10, the holding brake device 10 of the embodiment offer of the utility model, including parking cable wire Assembly 30, the brake caliper assy 40 for carrying out assembly connection with parking cable wire assembly 30, the brake disc in brake caliper assy 40 50 and the cable wire positioning card 20 that is fixedly connected with parking cable wire assembly 30, wherein cable wire positioning card 20 is in parking cable wire When assembly 30 is assembled with brake caliper assy 40, parking cable wire assembly 30 is fixed to the parking that brake caliper assy 40 is arranged and is drawn On arm support 451.Wherein, holding brake device 10 is used for when the driver of running automobile suddenly steps on braking, and triggering caliper is total It starts to work and brakes at 40, so that brake assembly realizes braking effect to brake disc 50, wherein since brake disc 50 and wheel are solid Fixed connection, therefore by the braking to brake disc 50 to realize the braking to automobile.

Wherein parking cable wire assembly 30 includes the first cable wire pin 31, cable wire 32, limited block 33, the cable wire set sequentially connected 34 and the second cable wire pin 35.When wherein parking cable wire assembly 30 is assembled with brake caliper assy 40, the first cable wire pin 31 Across the pilot hole 4514 that parking torque arm holder 451 opens up on brake caliper assy 40 and the brake assemblies on brake caliper assy 40 45 connections；Wherein limited block 33 is fixed on parking torque arm holder 451 by cable wire positioning card 20；Second cable wire pin 35 with The braking system of automobile connects, and when user suddenly steps on braking system, which makes cable wire 32 pull its first cable wire pin 31 move towards close to one end of braking system, so that brake assemblies 45 control brake caliper assy 40 and start to work so that caliper Assembly 40 realizes braking effect to brake disc 50.Wherein, the first cable wire pin 31 and the second cable wire pin 35 are cylinder, cable wire set 34 It is set in the outer layer of cable wire 32, and it is set to the front end of the rear end and the second cable wire pin 35 of limited block 33.

Wherein limited block 33 includes the first sub- limited block 331, recessed portion 332,333 and of the second sub- limited block being sequentially arranged The sub- limited block 334 of third, the first sub- limited block 331, the second sub- limited block 333 and the sub- limited block 334 of third are to protrude from steel The round boss of rope, wherein it should be pointed out that the diameter of the first sub- limited block 331 and the second sub- limited block 333 be less than or Equal to the diameter of pilot hole 4514, the diameter of the sub- limited block of third 334 is more than the diameter of pilot hole 4514, the second sub- limited block 333 thickness is identical as the thickness of pilot hole 4514.When the installation of limited block 33 being therefore fixed to parking torque arm holder 451, First sub- limited block 331 and the second sub- limited block 333 can pass through the pilot hole 4514 of parking torque arm holder 451, due to third The diameter of sub- limited block 334 is more than the diameter of pilot hole 4514, therefore the sub- limited block 334 of third and parking torque arm holder 451 1 Side is inconsistent.Simultaneously because the thickness of the second sub- limited block 333 is equal with the thickness of pilot hole 4514, therefore the second sub- limited block 333 are placed in completely in the pilot hole 4514 of parking torque arm holder 451.Simultaneously because the second sub- limited block 333 is adjacent equipped with recessed Concave portion 332, when being at this time trapped in cable wire positioning 20 fixing cards of card in recessed portion 332, one end offsets with the first sub- limited block 331 It touches, the side wall of the other end and parking torque arm holder 451 is inconsistent, therefore can be by limited block by the cable wire of setting positioning card 20 33 are fixedly mounted on parking torque arm holder 451, and avoid not fixing parking cable wire assembly 30 and lead to it not Enough firm problems.

Further, cable wire positioning card 20 be a card structure comprising a butting section 21 and be set to 21 outer wall of butting section Handle portion 22, wherein butting section 21 include an annular portion 211 and set on 211 inner ring of annular portion the first lug boss 212, Second lug boss 213 and third protrusion portion 214, wherein annular portion 211 are the annulus card for including a notch, are substantially in circular arc Shape, and the radian of circular arc be more than 180 degree, the first lug boss 212 be set to annular portion 211 inner ring face notch position, second Lug boss 213 and third protrusion portion 214 are respectively arranged on the both ends of the notch of annular portion 211, wherein the first lug boss 212, second The two side in lug boss 213 and third protrusion portion 214 and the inner ring junction of annular portion 211 are passed through rounding off and are handled, the One lug boss 212, the end face of the second lug boss 213 and third protrusion portion 214 far from annular portion 211 are cambered surface, further, the Two lug bosses 213 and third protrusion portion 214 are equipped with a chamfering close to the one side wall of indentation, there.Further, handle portion 22 includes One first connecting portion 221 being connect with 21 outer wall of butting section and the first planar portions 222 being connect with first connecting portion 221, Middle first connecting portion 221 is set to the position of the outer shroud face notch of annular portion 211, is card through bending process, for so that Shape has angle between first planar portions 222 and butting section 21, wherein the first planar portions 222 and butting section 21 connect with first respectively The both ends of socket part 221 connect.Further, when buckling cable wire positioning card 20 into limited block 33, the first lug boss 212 and the The side wall of two lug bosses 213 start it is inconsistent with recessed portion 332, due to annular portion 211 be notched annulus, when notch two When side is by outside elastic force, annular portion 211 occurs elastic deformation and makes the side of the both ends court of butting section 21 away from each other To movement, finally when cable wire positions 20 inlay cards of card into recessed portion 332, the first lug boss 212 on cable wire positioning card 20, The end face of second lug boss 213 and third protrusion portion 214 far from annular portion 211 is inconsistent with the outer wall of recessed portion 332, needs , it is noted that the diameter of the outer shroud of annular portion 211 is more than the diameter of pilot hole 4514, therefore 20 difference of the card of cable wire positioning at this time It is inconsistent with the end face of the first sub- limited block 331 and the pilot hole 4514 of parking torque arm holder 451.The holder of parking torque arm at this time The both ends of the surface of 451 pilot hole 4514 are inconsistent due to blocking 20 with the sub- limited block 334 of third and cable wire positioning respectively, pass through Cable wire positioning card 20 by what limited block 33 consolidated so that be fixed on parking torque arm holder 451, without lower production in the braking state Offset deviation after before death.Simultaneously because it is in a certain angle between handle portion 22 and butting section 21, therefore the handle portion 22 and parking Torque arm holder 451 is also in a certain angle, when need positioning card replace take out when, at this time by by handle portion 22 from limit It is extracted in the recessed portion 332 of block 33 so that when brake caliper assy 40 or parking cable wire assembly 30 damage, replacement easy to disassemble, It is easy to use.

Further, cable wire set 34 is equipped with multiple fixing pieces 36, for parking cable wire assembly 30 to be fixed to vehicle body On.Wherein, fixing piece 36 includes being set in cable wire to cover the socket part 361 of 34 outer walls and be set in consolidating for 361 outer wall of socket part Determine portion 362, wherein socket part 361 is a substantially circular sleeve, and socket part 361 includes the sleeve part being sheathed on cable wire set 34 3611 and the first annular projection 3612 on sleeve part 3611, the second annular projection 3613 and third annular projection 3614, the wherein internal diameter of sleeve part 3611 is identical as the outer diameter of cable wire set 34, and for being fixed to cable wire set 34, first is cyclic annular Raised 3612, second annular projection 3613 and third annular projection 3614 be respectively arranged on 3611 outer wall of sleeve part front end, in Between on surface and rear end, and wherein at a distance from the first annular projection 3612 is between the second annular projection 3613 and fixation Portion 362 it is of same size, be used to fixed part 362 being fixed on the first annular projection 3612 of socket part 361 and second cyclic annular Between protrusion 3613, its fixed part 362 front and back play on socket part 361 is prevented, further, fixed part 362 includes socket The holding part 3621 of 361 outer wall, the second connecting portion 3622 and and second connecting portion that are connect with holding part 3621 in socket part Second planar portions 3623 of 3622 other end connection, wherein the second planar portions 3623 are vertical with second connecting portion 3622, second Planar portions 3623 are equipped with a circular through hole, at this time when fixing piece 36 is fixed on cable wire set 34, by using screw, bolt Equal fasteners, which wear the circular through hole in the second planar portions 222, to be fixed to parking cable wire assembly 30 on vehicle body.

Further, which includes braking clamp body 41, piston, caliper holder 42, inner attrition piece 43, rubs outside Pad 44 and brake assemblies 45, wherein braking clamp body 41 are equipped with hydraulic cylinder for housing piston and for housing caliper branch The holding part of frame 42, caliper holder 42 are set to the side of braking clamp body 41.Caliper holder 42 is a U-shaped opening structure, interior Friction plate 43 and outside friction disc 44 are set to the both sides for the U-shaped opening that caliper holder 42 opens up, and inner attrition piece 43 is set to caliper branch Close to the side of braking clamp body 41 on frame 42, outside friction disc 44 is set to the side far from braking clamp body 41 on caliper holder 42, Middle brake disc 50 is installed between inner attrition piece 43 and outside friction disc 44.It should be pointed out that inner attrition piece 43, outside friction disc 44, piston and brake disc 50 are arranged in parallel, and wherein brake assemblies 45 can push piston to be moved freely in hydraulic cylinder.When When automobile parking braking mechanism is braked, brake assemblies 45 push piston to start to move along close to one end of inner attrition piece 43 It is dynamic, and moved to close to the direction of brake disc 50 continuing to press on inner attrition piece 43 after inconsistent with inner attrition piece 43, it rubs when interior When pad 43 is completely attached to brake disc 50, inner attrition piece 43 does not continue to move, and brake disc 50 generates anti-braking clamp body 41 Active force so that braking clamp body 41 is moved inward with respect to caliper holder 42, to drive outside friction disc 44 to close to brake disc 50 Direction movement, i.e. braking clamp body 41 can be used for that inner attrition piece 43 and outside friction disc 44 is pushed to move to close to the direction of brake disc 50 Dynamic, when outside friction disc 44 is contacted with the completion of brake disc 50, inner attrition piece 43 and outside friction disc 44 are clamped in the interior of brake disc 50 Outer both sides, since brake disc 50 is with wheel unitary rotation, so the clamping by inner attrition piece 43, outside friction disc 44 makes Realize the braking to wheel.It should be pointed out that the front and rear sides of inner attrition piece 43 and outside friction disc 44 are respectively and fixedly provided with return bullet Spring 46, the return spring 46 rub to generation when being moved close to the direction of brake disc 50 with interior in inner attrition piece 43 and outside friction disc 44 The deformation force opposite with 44 moving direction of outside friction disc of pad 43, the deformation force can push inner attrition piece 43 after end of braking With 44 self-return of outside friction disc.

Further, brake assemblies 45 are set on the one end of braking clamp body 41 far from caliper holder 42, the brake assemblies 45 Including parking torque arm holder 451, with parking torque arm holder 451 be rotatablely connected movable plate 452 and respectively with parking torque arm branch The torsional spring 453 that frame 451 and movable plate 452 connect, wherein parking torque arm holder 451 and one end of movable plate 452 pass through a rotation Part 454 is rotatablely connected, and the rotating member 454 is connect with the piston in braking clamp body 41 in hydraulic cylinder, wherein when movable plate 452 is suitable When hour hands rotate, make rotating member 454 that piston be pushed to be moved towards close to the side of inner attrition piece 43；When 452 inverse time of movable plate When needle rotates, make rotating member 454 that piston be pulled to be moved towards the side far from inner attrition piece 43.

Further, parking torque arm holder 451 includes the first positioning region 4511 being rotatablely connected with rotating member 454, difference It is connected to the second positioning region 4512 and the third positioning region 4513 of the side of the first positioning region 4511, wherein in the first positioning region One end on 4511 is rotatablely connected by rotating member 454 and movable plate 452, and a through-hole is additionally provided on the first positioning region 4511, For installing fixed torsional spring 453.Second positioning region 4512 is provided close to the side of movable plate 452, and third positioning region 4513 is set to Side far from movable plate 452, further, the second positioning region 4512 is in 40 normal brakeless of brake caliper assy and work Movable plate 452 is inconsistent, is rotated excessively to avoid movable plate 452；Third positioning region 4513 is equipped with a pilot hole 4514, for solid Determine parking cable wire assembly 30.

Further, movable plate 452 includes the first movable part 4521 being rotatablely connected with rotating member 454 and with first Movable part 4521 end connection the second movable part 4522, wherein one end of the first movable part 4521 by rotating member 454 with Parking torque arm holder 451 is rotatablely connected, and through-hole is additionally provided on the first movable part 4521, for installing fixed torsional spring 453；Wherein Second movable part 4522 passes through for movable plate 452 to be bent to form, generally U-shaped, wherein can hold in the accommodating space formed Set and fix one end of parking cable wire assembly 30, wherein the side of the second movable part 4522 far from third positioning region 4513 A notch is offered, which is fixed in the notch, wherein the first cable wire pin 31 is cylinder.Further, The both ends of torsional spring 453 are fixed on respectively in the through-hole opened up on the first movable part 4521 and the first movable part 4521, wherein Torsional spring 453 can maintain the dynamic equilibrium between positioning plate and movable plate 452, and bullet occurs for torsional spring 453 after user suddenly steps on braking Property deformation, generate a deformation force opposite with 452 direction of motion of movable plate, which being capable of the promotion activity after end of braking 452 self-return of plate, and lean with the second positioning region 4512.

Parking and braking mechanism provided in this embodiment includes the brake caliper assy for being braked to brake disc, is used for To the parking cable wire assembly that brake caliper assy is controlled, and for parking cable wire assembly to be fixed on brake caliper assy Cable wire positioning card, wherein parking cable wire assembly be equipped with a recessed portion, cable wire positioning card by inlay card in recessed portion and with system The end face of the pilot hole of dynamic pincers assembly is inconsistent so that its parking cable wire assembly can consolidate is fixed to brake caliper assy, solves The inadequate problem of existing arrestment mechanism stability.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. a kind of cable wire positioning card, for when parking cable wire assembly and brake caliper assy are assembled, by the parking cable wire Assembly is fixed on the parking torque arm holder of the brake caliper assy setting, which is characterized in that is wrapped on the parking cable wire assembly A limited block is included, one end of the limited block and the end face of the parking torque arm holder contradict, and the other end of the limited block is worn It crosses the pilot hole on the parking torque arm holder and is equipped with a recessed portion, cable wire positioning card includes a butting section and set on institute The handle portion of butting section outer wall is stated, the butting section includes an annular portion and the first protrusion set on the annular portion inner ring Portion, the second lug boss and third protrusion portion, the annular portion are the annulus card for including a notch, and the annular portion is in arc-shaped And radian is more than 180 degree, the diameter of the outer shroud of the annular portion is more than the diameter of the pilot hole, when the cable wire positions card card When on the limited block, first lug boss, second lug boss on the butting section and the third protrusion In portion far from the annular portion end face it is inconsistent with the recessed portion, and the cable wire positioning card also with the parking torque arm The end face of holder is inconsistent.

2. cable wire positioning card according to claim 1, which is characterized in that first lug boss is set to the annular portion The just described position to notch of inner ring, second lug boss and the third protrusion portion are respectively arranged on the notch of the annular portion Both ends, first lug boss, second lug boss and the end face of the third protrusion portion far from the annular portion be arc Face, second lug boss and third protrusion portion are equipped with a chamfering close to the side wall of the indentation, there.

3. cable wire positioning card according to claim 1, which is characterized in that the handle portion includes and the butting section outer wall The first connecting portion of connection and the first planar portions being connect with the first connecting portion, the first connecting portion are set to described The position of notch described in the outer shroud face of annular portion, shape has angle between first planar portions and the butting section.

4. a kind of holding brake device, including parking cable wire assembly, the braking with parking cable wire assembly progress assembly connection Clamp assembly, the brake disc in the brake caliper assy, which is characterized in that further include such as claim 1-3 any one institute State cable wire positioning card, the parking cable wire assembly include the first cable wire pin sequentially connected, cable wire, limited block, cable wire set, with And the second cable wire pin, the first cable wire pin pass through parking torque arm holder opens up on the brake caliper assy pilot hole with it is described The limited block is fixed on the parking torque arm holder by the brake assemblies connection on brake caliper assy, the cable wire positioning card The pilot hole on.

5. holding brake device according to claim 4, which is characterized in that the limited block includes first be sequentially arranged Sub- limited block, recessed portion, the second sub- limited block and the sub- limited block of third, the first sub- limited block and the second sub- limited block Diameter be less than or equal to the diameter of the pilot hole, the diameter of the sub- limited block of third is more than the diameter of the pilot hole, The thickness of the second sub- limited block is identical as the thickness of the pilot hole, and the parking is fixed to when installing the limited block When torque arm holder, the first sub- limited block and the second sub- limited block are across the pilot hole of the parking torque arm holder, institute It states the sub- limited block of third and the parking torque arm holder end face is inconsistent, it is described when cable wire positioning card fixing card to be trapped in When in recessed portion, one end of the cable wire positioning card and the described first sub- limited block are inconsistent, and the cable wire positioning blocks another End is inconsistent with the side wall of the parking torque arm holder.

6. holding brake device according to claim 4, which is characterized in that the cable wire set is set in the outer of the cable wire Layer, the cable wire are equipped with multiple fixing pieces, and the fixing piece includes the socket part for being set in the cable wire set outer wall, Yi Jitao It is located at the fixed part of the socket part outer wall, the socket part includes being sheathed on the upper sleeve part of cable wire set, the sleeve The internal diameter in portion is identical as the outer diameter that the cable wire covers, and is put on for being fixed to the cable wire, and the fixed part includes being socketed in institute The holding part for stating socket part outer wall, the second connecting portion being connect with the holding part and another with the second connecting portion The second planar portions of connection are held, second planar portions are vertical with the second connecting portion, and second planar portions are equipped with one Circular through hole.

7. holding brake device according to claim 4, which is characterized in that the brake caliper assy include braking clamp body, Piston, caliper holder, inner attrition piece, outside friction disc and the brake assemblies, the braking clamp body are equipped with for housing The hydraulic cylinder of piston is stated, the caliper holder is set to the side of the braking clamp body, and the caliper holder is a U-shaped opening knot Structure, the inner attrition piece and the outside friction disc are set to the both sides for the U-shaped opening that the caliper holder opens up, and the interior friction Piece is set to the side close to the braking clamp body on the caliper holder, and the brake disc is installed on the inner attrition piece and described Between outside friction disc, the brake assemblies can push the piston to be moved freely in the hydraulic cylinder.

8. holding brake device according to claim 7, which is characterized in that the brake assemblies are set to the braking clamp body Far from the caliper holder one end, the brake assemblies include the parking torque arm holder, movable plate and respectively with it is described The torsional spring that parking torque arm holder is connected with movable plate connects wherein the parking torque arm holder is rotated with movable plate by a rotating member It connects, the rotating member is connect with the piston in the hydraulic cylinder, can when the movable plate drives the rotating member rotation The piston is pushed to move.

9. holding brake device according to claim 8, which is characterized in that the parking torque arm holder includes and described turn Moving part rotation connection the first positioning region, be connected to first positioning region side the second positioning region and third positioning Portion, second positioning region are provided close to the side of the movable plate, and in the normal brakeless of the brake caliper assy Inconsistent with the movable plate, the third positioning region is disposed far from the side of the movable plate, and on the third positioning region Equipped with the pilot hole.

10. holding brake device according to claim 8, which is characterized in that the movable plate includes and the rotating member First movable part of rotation connection and the second movable part being connect with the end of first movable part, second activity Portion is passed through for the movable plate to be bent to form, and the side of second movable part far from third positioning region offers a notch.