CN207089274U - A kind of disc type central parking brake assembly - Google Patents

A kind of disc type central parking brake assembly Download PDF

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Publication number
CN207089274U
CN207089274U CN201720162460.3U CN201720162460U CN207089274U CN 207089274 U CN207089274 U CN 207089274U CN 201720162460 U CN201720162460 U CN 201720162460U CN 207089274 U CN207089274 U CN 207089274U
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China
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splined shaft
assembly
push rod
machined
torque arm
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CN201720162460.3U
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Chinese (zh)
Inventor
司小云
张占峰
马文伦
何缨
宋伟兴
田兴兴
陈涛
罗宇哲
李金�
唐冰海
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FAW Group Corp
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FAW Group Corp
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Abstract

The utility model belongs to commercial car technical field, specifically a kind of disc type central parking brake assembly.Including lower fixed seat, axle I, gear, master arm, axle II, slave arm, axle III, slide block mechanism, upper fixed seat, pedal and fixing axle;Lower fixed seat is made up of rectangular slab and set square, and the axis hole of installation axle I is provided with above set square;Geared sleeve is on axle I;Weld one end of gear and master arm;The other end of master arm and one end of slave arm are connected by axle II;The other end of slave arm is connected with slide block mechanism by axle III;The side of slide block mechanism is fixedly connected with pedal;Fixing axle upper end is fixedly connected with upper fixed seat, and lower end is fixedly connected with lower fixed seat;The problem of the utility model is a kind of simple in construction, can realize function of auto-lift, and lifting member gets on or off the bus comfortableness, the automatic pedal runner increased customer satisfaction degree, solves existing three-level pedal and knocks leg, and man-machine comfortableness is poor, and satisfaction is low.

Description

A kind of disc type central parking brake assembly
Technical field
The utility model belongs to brake system of car field, specifically a kind of disc type central parking brake assembly.
Background technology
With the development of automotive engineering and the raising of speed of operation, the braking ability of automobile seems most important, and it is direct It is related to traffic safety, is the important leverage of running car.And vehicle ability in slope is the essential of vehicle braking performances Important component.GB 12676《Brake system of car properity and test method》To commerial vehicle Capability Requirement in slope It is as follows:Vehicle under conditions of nominal load quality and without trailer, using parking braking should be able on 18% ramp to Upper and downward both direction can be stopped reliably;Vehicle uses parking braking under conditions of nominal load quality and with trailer Should be able to can reliably it be stopped in both direction up and down on 12% ramp.To meet laws and regulations requirement, 4x2 type commercial car Parking braking system is generally died mode of braking using spring energy-storage, by the spring braking being installed on rear axle wheel reductor brake Big spring in cylinder spring cavity provides parking motivator.For off-road vehicle, due to use condition particularity, it is necessary to through Often travel on bad road, without road area and various abrupt slopes, itself Capability Requirement in slope is higher to vehicle.High ability in slope is to ensure One of important indicator of off-road vehicle cross-country traveling ability, high maneuverability and high security, it is favorably improved the cross-country power of vehicle.It is existing Stage, most of off-road vehicle Capability Requirements in slope are as follows:Vehicle uses under conditions of nominal load quality and without trailer Parking braking reliably stops on 40% ramp in both direction up and down;Vehicle is in nominal load quality and with trailer Under conditions of, reliably stopped in both direction up and down on 20% ramp using parking braking.It is cross-country for 4x4 types Vehicle, if using 4x2 type commerial vehicle back axle parking braking systems completely, it will be unable to meet laws and regulations requirement.Need to be preceding for this Bridge installs holding brake device additional, the ground abhesion capacity of propons during parking braking is made full use of, to improve vehicle parking system Kinetic force.The existing drum-type central parking brake for being installed in propons, but the drum-type central parking brake poor reliability, driving Dawdle overheat;Complicated, weight is larger, difficult arrangement.
The content of the invention
The utility model provides a kind of disc type central parking brake assembly simple in construction, solves drum-type center parking Brake poor reliability, overheat of dawdling of driving a vehicle;Complicated, weight is larger, the problem of difficult arrangement, improves off-road vehicle parking Stopping power.
Technical solutions of the utility model are described with reference to the drawings as follows:
A kind of disc type central parking brake assembly, is arranged at gear box output end or power transmission shaft hanging apparatus or master subtracts Fast device input, the brake assembly include caliper 1, friction plate 3, push rod assembly 4, steel ball 5, end cap assembly 6, return spring 7th, torque arm assembly 9, splined shaft 10 and sliding pin 12;Wherein described sliding pin 12 is arranged in the circular hole at the both ends of caliper 1;Described Torque arm assembly 9 is coordinated by involute spline to link together and then is bolted with splined shaft 10;Described return bullet Spring 7 is fixed by the positioning of straight pin II 29 on torque arm assembly 9 and two circular holes of end face;Described end cap assembly 6 passes through lining Set 17 coordinates with splined shaft 10;It is recessed that steel ball 5 with splined shaft 10 is clamped in each self-corresponding sector by described end cap assembly 6 jointly In groove;Described end cap assembly 6 is fixed with caliper 1 by soket head cap screw;Described push rod assembly 4 passes through on push rod 21 Spherical protuberances and groove coordinate with the circular groove on splined shaft 10;Described friction plate 3 passes through the magnetic core 19 on push rod assembly 4 It is attached together with push rod assembly 4.
The axial direction of described splined shaft 10 is T-shaped, and its external process has to be coordinated with the involute inner spline on torque arm assembly 9 Involute outer spline I 15;Described T-shaped top margin inner side end along the circumferential direction uniform 3 scalloped recess I 13, it is each fan-shaped Groove I 13 at intervals of 60 °;The depth of described scalloped recess I 13 along splined shaft 10 brake when relative direction of rotation gradually become Shallow, the innermost depth of scalloped recess I 13 is the half of the diameter of steel ball 5, the innermost depth of scalloped recess I 13 with it is most shallow The difference of the depth at place is the stroke that the maximum axial displacement of splined shaft 10 is splined shaft 10 in parking braking action process;Described T Shape top margin end face outside is machined with the circular groove I 14 for coordinating with push rod assembly 4.
The end face of end cap 18 in described end cap assembly 6 is machined with 3 along the circumferential direction uniform scalloped recess II 16, Each scalloped recess II 16 at intervals of 60 °;The depth of described scalloped recess II 16 rotates against when being braked along splined shaft 10 Direction gradually becomes shallower as, II 16 innermost depth of scalloped recess be the diameter of steel ball 5 half, scalloped recess II 16 it is innermost The difference of depth and the depth at most shallow place is the row that the maximum axial displacement of splined shaft 10 is splined shaft 10 in parking braking action process Journey;Described end cap assembly 6 at the circular hole of the journal engagement of splined shaft 10 with being provided with wear-resisting bushing 17.
Described push rod assembly 4 includes push rod 21, magnetic core 19, leaf spring 20 and straight pin I 22;Described magnetic core 19 Leaf spring 20 is installed on radial end face;One end of the described axial end of push rod 21 is machined with for installing magnetic core 19 and thin The cylindrical groove 23 of flat spring 20;Magnetic core 19 is fixed in cylindrical groove 23 by described leaf spring 20;Described push rod 21 The other end of axial end is machined with spherical protuberances and circular groove II 25 for coordinating with circular groove I 14;Described pushes away The oval keyway 24 for installing straight pin I 22 is machined with the radial end face of bar 21.
Described torque arm assembly 9 includes torque arm 28 and straight pin II 29;The described end face of torque arm 28 be machined with 3 be used for Parking actuates the circular hole III 30 of device connection;The described end face of torque arm 28 is machined with for coordinating with involute outer spline I 15 Involute inner spline II 33;The end face of described torque arm 28 be machined with 3 it is circumferential be used for straight pin II 29 is installed Circular hole II 32;The end face of described torque arm 28 is machined with 2 symmetrical circular holes I 31 for being used to fix the end of return spring 7.
It is machined with the backboard of described friction plate 3 for being formed when being assembled in caliper 1 with the upper groove of caliper 1 Coordinate the circular projection 27 of positioning limit;2 are machined with the backboard of described friction plate 3 to be used to strengthen friction material and the back of the body The circular hole III 26 of the adhesive strength of plate.
The beneficial effects of the utility model are:
1st, the utility model disc type central parking brake uses floating clamp tray type structure, and friction plate is arranged in caliper, Rotary part brake disc clamps brake disc to realize parking braking function as friction pair by actuating device actuated friction piece. For the friction plate of drum brake and the fiting effect of brake drum, brake disc and the friction plate clamping process of the invention In, contact is good, and distribution of forces is uniform, and deformation is small, has ensured assembly stability, the good reliability, solves drum-type center Brake stability, poor reliability, the problem of dawdling overheat of driving a vehicle.
2nd, the utility model disc type central parking brake can be fixed on gear box output end by sliding pin, power transmission shaft lifts At device or main reducing gear input static position, arrangement is convenient.
3rd, the utility model is passed through by along the circumferential direction designing three uniform scalloped recess on splined shaft and end cap Steel ball finally plays the rotatory force for passing over parking brake actuation device in the change of each groove location height when actuating Square is converted into the thrust to friction plate, to clamp brake disc, realizes parking braking, simple in construction, number of parts is few.
4th, the utility model is connected by the circular hole of the diverse location designed in torque arm with actuating device, realizes same drawing Arm produces 3 different amplification ratios to motivator, and parking braking torque is incremented by from 2400Nm by 25%, and adaptation has different parking systems The vehicle match of dynamic performance requirement, improves off-road vehicle parking braking ability.
Brief description of the drawings
Fig. 1 is the disc type central parking brake cross-sectional view described in the utility model;
Fig. 2 is the disc type central parking brake assembly diagram described in the utility model;
Fig. 3 is profile at D-D in Fig. 2;
Fig. 4 is the spline shaft structure schematic diagram described in the utility model;
Fig. 5 is profile at B-B in Fig. 4;
Fig. 6 is the splined shaft keyway profile structural representation described in the utility model;
Fig. 7 is the end cover structure schematic diagram described in the utility model;
Fig. 8 is profile at C-C in Fig. 7;
Fig. 9 is the end cap cross-sectional view described in the utility model;
Figure 10 is the push rod assembly structural representation described in the utility model;
Figure 11 is the push rod assembly cross-sectional view described in the utility model;
Figure 12 is the pusher structure schematic diagram described in the utility model;
Figure 13 is the push rod cross-sectional view described in the utility model;
Figure 14 is the oval keyway profile structural representation in E directions in Figure 13;
Figure 15 is the friction plate structure schematic diagram described in the utility model;
Figure 16 is profile at B-B in Figure 15;
Figure 17 is a kind of cross-sectional view of torque arm assembly described in the utility model;
Figure 18 is the torque arm assembly another kind cross-sectional view described in the utility model;
Figure 19 is the torque arm structural representation described in the utility model;
Figure 20 is profile at A-A in Figure 19;
Figure 21 is profile at B-B in Figure 19.
In figure:1st, caliper;2nd, brake disc;3rd, friction plate;4th, push rod assembly;5th, steel ball;6th, end cap assembly;7th, return bullet Spring;8th, torque arm assembly installation bolt;9th, torque arm assembly;10th, splined shaft;11st, hexagon socket cap head screw;12nd, sliding pin;13rd, fan Connected in star I;14th, circular groove I;15th, involute outer spline I;16th, scalloped recess II;17th, bushing;18th, end cap;19th, magnetic core; 20th, leaf spring 2;21st, push rod;22nd, straight pin I;23rd, cylindrical groove;24th, oval keyway;25th, spherical protuberances and circular groove Ⅱ;26th, circular hole III;27th, circular projection;28th, torque arm;29th, straight pin II;30th, circular hole III;31st, circular hole I;32nd, circular hole II;33、 Involute inner spline II.
Embodiment
Refering to Fig. 1-Fig. 3, a kind of disc type central parking brake assembly, is arranged in gear box output end or power transmission shaft is hung At assembling device or main reducing gear input, the brake assembly include caliper 1, friction plate 3, push rod assembly 4, steel ball 5, end cap Assembly 6, return spring 7, torque arm assembly 9, splined shaft 10 and sliding pin 12;Wherein described sliding pin 12 is arranged at the both ends of caliper 1 Circular hole in;Described torque arm assembly 9 is coordinated by involute spline to be linked together with splined shaft 10 and then is consolidated by bolt It is fixed;Described return spring 7 is fixed by the positioning of straight pin II 29 on torque arm assembly 9 and two circular holes of end face;Described End cap assembly 6 is coordinated by bushing 17 and splined shaft 10;Steel ball 5 is clamped in by described end cap assembly 6 jointly with splined shaft 10 In each self-corresponding scalloped recess;Described end cap assembly 6 is fixed with caliper 1 by soket head cap screw;Described push rod is total Coordinated into 4 by the spherical protuberances on push rod 21 and groove with the circular groove on splined shaft 10;Described friction plate 3 is by pushing away Magnetic core 19 on bar assembly 4 is attached together with push rod assembly 4.
Refering to Fig. 4-Fig. 6, the axial direction of described splined shaft 10 is T-shaped, its external process have with torque arm assembly 9 gradually The involute outer spline I 15 that the internal spline that bursts at the seams coordinates;Along the circumferential direction uniform 3 sectors are recessed for described T-shaped top margin inner side end Groove I 13, each scalloped recess I 13 at intervals of 60 °, the angle of scalloped recess I 13 itself distribution is 60 °;Described is fan-shaped recessed The depth of groove I 13 along splined shaft 10 brake when relative direction of rotation gradually become shallower as, the innermost depth of scalloped recess I 13 is steel The difference of the depth at the half of the diameter of ball 5, the innermost depth of scalloped recess I 13 and most shallow place is the maximum axial position of splined shaft 10 Shifting is the stroke of splined shaft 10 in parking braking action process;Described T-shaped top margin end face outside is machined with for total with push rod The circular groove I 14 coordinated into 4.Scalloped recess I 13 is used to be formed with the scalloped recess II 16 on steel ball 5 and end cap assembly 6 and matched somebody with somebody Close, transmit motivator;T-shaped top margin end face outside is machined with circular groove I 14, coordinates for forming connection with push rod assembly 4, uses Push rod assembly 4 and splined shaft 10 be all the time during ensureing to perform parking braking in splined shaft 10 and loosen parking braking action Holding is reliably connected.
Refering to Fig. 7-Fig. 9, the end face of the end cap 18 in described end cap assembly 6 is machined with along the circumferential direction uniform 3 Scalloped recess II 16, each scalloped recess II 16 at intervals of 60 °, the angle of scalloped recess II 16 itself distribution is 60 °;It is described Scalloped recess II 16 depth along splined shaft 10 brake when relative direction of rotation gradually become shallower as, scalloped recess II 16 is innermost Depth is the half of the diameter of steel ball 5, and the difference of the depth at the innermost depth of scalloped recess II 16 and most shallow place is splined shaft 10 Maximum axial displacement is the stroke of splined shaft 10 in parking braking action process;Described scalloped recess II 16 is used for and steel ball 5 And splined shaft 10 is formed and coordinated, and transmits motivator;Described end cap assembly 6 at the circular hole of the journal engagement of splined shaft 10 with being provided with Wear-resisting bushing 17.
Refering to Figure 10-14, described push rod assembly 4 includes push rod 21, magnetic core 19, leaf spring 20 and straight pin I 22; Leaf spring 20 is installed on the radial end face of described magnetic core 19;One end of the described axial end of push rod 21, which is machined with, to be used for The cylindrical groove 23 of magnetic core 19 and leaf spring 20 is installed, friction plate 3 is adsorbed with push rod assembly 4 by the magnetic force of magnetic core 19 Together, in parking braking and during loosening, friction plate can guarantee that effective connection with push rod assembly;Described leaf spring 20 Magnetic core 19 is fixed in cylindrical groove 23;The other end of the described axial end of push rod 21, which is machined with, to be used for and circular groove I 14 spherical protuberances coordinated and circular groove II 25, moved for ensureing to perform parking braking in splined shaft 10 and loosen parking braking Push rod assembly 4 is remained with splined shaft 10 and is reliably connected during work;Use is machined with the described radial end face of push rod 21 In the oval keyway 24 of installation straight pin I 22, the straight pin I 22 is formed with the upper groove of caliper 1 coordinates positioning, ensures that push rod is total Into 4 together with splined shaft 10 perform parking braking and loosen parking braking action during push rod assembly 4 not with splined shaft 10 rotate together.
Refering to Figure 17-Figure 21, described torque arm assembly 9 includes torque arm 28 and straight pin II 29;The described end face of torque arm 28 3 circular holes III 30 are machined with, circular hole III 30 is connected cooperation for actuating device with parking, to transmit parking motivator, passes through choosing Select different holes to be connected with actuating device, realize that same torque arm produces 3 different amplification ratios, parking brake force to motivator Square is incremented by from 2400Nm by 25%, adapts to the vehicle match for having different performance of parking brake demands;The described end face of torque arm 28 adds Work has involute inner spline II 33, for coordinating with external splines on splined shaft 15;The end face of described torque arm 28 is machined with 3 edges The circular hole II 32 for being used to install straight pin II 29 of circle distribution, the circular hole II 32 can be used for positioning to return spring 7;It is described The end face of torque arm 28 be machined with 2 symmetrical circular holes I 31, the circular hole I 31, which is used to fix to the end of return spring 7, to be used, Torque arm assembly 9 is ensured along during opposite both direction rotation, return spring 7 can be fixed effectively.
Refering to Figure 15-Figure 16, circular projection 27 is machined with the backboard of described friction plate 3, the circular projection 27 is used for Being formed when being assembled in caliper 1 with the upper groove of caliper 1 coordinates positioning limit to use, while ensures in parking braking process In, friction plate 3 does not rotate with brake disc 2;2 circular holes III 26 are machined with the backboard of described friction plate 3, the circular hole III 26 is used In the adhesive strength of enhancing friction material and backboard.
The brake parking braking course of work is as follows:Caliper 1 can be oriented on sliding pin 12 slidably simultaneously at two Fixed by them, brake assembly is actuated by torque arm assembly 9, and torque arm is coordinated by involute spline is connected in one with splined shaft 10 Rise and then fixed by torque arm assembly installation bolt 8, consolidated end cap assembly 6 and caliper 1 using hexagon socket cap head screw 11 It is scheduled on together.When parking brake actuation power is acted on torque arm assembly 9, drive splined shaft 10 rotates, and this will drive splined shaft 10 The spiral that scalloped recess of three steel balls 5 clamped jointly with end cap assembly 6 on splined shaft 10 and end cap assembly 6 cooperatively forms Ball-type moving on rails, for small intestinal transit on steel ball 5, steel ball 5 produces the torsion of axial thrust and circumferencial direction to splined shaft 10 Use is transferred to, while 5 spiral in orbit of steel ball actuates the linear motion that splined shaft 10 produces an axial direction.Vertically In linear motion, splined shaft 10 promotes push rod assembly 4 that axial force is delivered on inner attrition piece 3, in promotion Friction plate 3 is axially moved, and eliminates the gap between parking braking disk 2, and finally compress parking braking disk.Meanwhile steel ball 5 is right End cap assembly 6 can also produce the twisting action of axial thrust in opposite direction and circumferencial direction, and end cap assembly 6 drives caliper 1 Sliding pin 12 is oriented at two to slide towards the opposite direction of the direction of motion of push rod assembly 4, is pulled outside friction disc to move in the same direction, is eliminated With the gap between parking braking disk 2, and finally compress parking braking disk.Folder between inside and outside friction plate and parking braking disk Clamp force, parking brake force is eventually converted into, vehicle is reliably parked.When the parking braking that releasing is acted on torque arm assembly 9 promotees Power, torsion aligning torque caused by return spring 7 and axial returning place force driving torque arm assembly 9 return to its initial position. Torque arm assembly 9 drives splined shaft 10 simultaneously, and splined shaft 10 drives push rod assembly 4, and push rod assembly 4 is by push rod assembly Magnetic core 19 with movable friction plate simultaneously be pulled back to initial position.Meanwhile caliper 1, end cap assembly 6 on sliding pin 12 And outside friction disc is in the opposite direction axial direction returning place force of return spring 7 and the rotary course of brake disc 2 under the effect of caused axial thrust Return to initial position.

Claims (6)

1. a kind of disc type central parking brake assembly, it is arranged at gear box output end or power transmission shaft hanging apparatus or main deceleration Device input, it is characterised in that the brake assembly include caliper (1), friction plate (3), push rod assembly (4), steel ball (5), End cap assembly (6), return spring (7), torque arm assembly (9), splined shaft (10) and sliding pin (12);Wherein described sliding pin (12) is set It is placed in the circular hole at caliper (1) both ends;Described torque arm assembly (9) is coordinated by involute spline to be connected with splined shaft (10) Together and then it is bolted;Described return spring (7) by the positioning of straight pin II (29) on torque arm assembly (9) and Two circular holes of end face are fixed;Described end cap assembly (6) is coordinated by bushing (17) and splined shaft (10);Described end cap is total Steel ball (5) is clamped in each self-corresponding scalloped recess jointly into (6) and splined shaft (10);Described end cap assembly (6) with Caliper (1) is fixed by soket head cap screw;Described push rod assembly (4) by the spherical protuberances on push rod (21) and groove with Circular groove on splined shaft (10) coordinates;Described friction plate (3) is total by the magnetic core (19) on push rod assembly (4) and push rod It is attached together into (4).
A kind of 2. disc type central parking brake assembly according to claim 1, it is characterised in that described splined shaft (10) axial direction is T-shaped, and its external process has the involute outer spline I coordinated with the involute inner spline on torque arm assembly (9) (15);Described T-shaped top margin inner side end along the circumferential direction uniform 3 scalloped recess I (13), each scalloped recess I (13) At intervals of 60 °;The depth of described scalloped recess I (13) along splined shaft (10) brake when relative direction of rotation gradually become shallower as, fan The innermost depth of connected in star I (13) be steel ball (5) diameter half, the innermost depth of scalloped recess I (13) with most The difference of the depth at shallow place is the stroke that splined shaft (10) maximum axial displacement is splined shaft (10) in parking braking action process;Institute The T-shaped top margin end face outside stated is machined with the circular groove I (14) for coordinating with push rod assembly (4).
A kind of 3. disc type central parking brake assembly according to claim 2, it is characterised in that described end cap assembly (6) end face of the end cap (18) in is machined with 3 along the circumferential direction uniform scalloped recess II (16), each scalloped recess II (16) at intervals of 60 °;The depth of described scalloped recess II (16) along splined shaft (10) brake when relative direction of rotation it is gradual Shoal, the innermost depth of scalloped recess II (16) be steel ball (5) diameter half, the innermost depth of scalloped recess II (16) The difference of the depth at degree and most shallow place is splined shaft (10) in parking braking action process for splined shaft (10) maximum axial displacement Stroke;Described end cap assembly (6) at the circular hole of splined shaft (10) journal engagement with being provided with wear-resisting bushing (17).
A kind of 4. disc type central parking brake assembly according to claim 3, it is characterised in that described push rod assembly (4) push rod (21), magnetic core (19), leaf spring (20) and straight pin I (22) are included;On the radial end face of described magnetic core (19) Leaf spring (20) is installed;One end of described push rod (21) axial end is machined with for installing magnetic core (19) and thin slice bullet The cylindrical groove (23) of spring (20);Magnetic core (19) is fixed in cylindrical groove (23) by described leaf spring (20);Described The other end of push rod (21) axial end is machined with spherical protuberances and circular groove II for coordinating with circular groove I (14) (25);The oval keyway (24) for installing straight pin I (22) is machined with described push rod (21) radial end face.
A kind of 5. disc type central parking brake assembly according to claim 4, it is characterised in that described torque arm assembly (9) torque arm (28) and straight pin II (29) are included;Described torque arm (28) end face is machined with 3 and is used to actuate device company with parking The circular hole III (30) connect;Described torque arm (28) end face is machined with the involute for coordinating with involute outer spline I (15) Spline II (33);The end face of described torque arm (28) is machined with 3 circumferential circles for being used to install straight pin II (29) Hole II (32);The end face of described torque arm (28) is machined with 2 symmetrical circular holes for being used to fix return spring (7) end Ⅰ(31)。
A kind of 6. disc type central parking brake assembly according to claim 1, it is characterised in that described friction plate (3) it is machined with backboard and coordinates positioning limit to use for being formed when being assembled in caliper (1) with caliper (1) upper groove Circular projection (27);It is machined with the backboard of described friction plate (3) 2 bonding with backboard strong for strengthening friction material The circular hole III (26) of degree.
CN201720162460.3U 2017-02-23 2017-02-23 A kind of disc type central parking brake assembly Active CN207089274U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720162460.3U CN207089274U (en) 2017-02-23 2017-02-23 A kind of disc type central parking brake assembly

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Application Number Priority Date Filing Date Title
CN201720162460.3U CN207089274U (en) 2017-02-23 2017-02-23 A kind of disc type central parking brake assembly

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106828446A (en) * 2017-02-23 2017-06-13 中国第汽车股份有限公司 A kind of disc type central parking brake assembly
CN110939669A (en) * 2019-12-16 2020-03-31 贵州凯星液力传动机械有限公司 Brake

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106828446A (en) * 2017-02-23 2017-06-13 中国第汽车股份有限公司 A kind of disc type central parking brake assembly
CN110939669A (en) * 2019-12-16 2020-03-31 贵州凯星液力传动机械有限公司 Brake

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