TW201422480A - Multi-piston caliper combined with parking device - Google Patents

Abstract

This invention relates to a multi-piston caliper combined with a parking device, particularly to a brake cable of the parking brake lever which is connected to an upper part of a swinging piece disposed with a rotational rod at the center thereof. The radial part of the rotational rod is disposed with a coupling rod to push a pushing seat with its center disposed with a pushing rod. The pushing rod is combined with a second female thread type piston through a combining nut. The lower part of the swinging piece is disposed with a hook part for one end foot of a torsion spring to be hooked. The other end foot of the torsion spring is locked to the frame body. Utilizing the upward elastic force of the torsion spring, the swinging piece can drive the brake parking device. When the torsion spring is released, the pressure between the lining and the disc can be loosened, so as to utilize the invented multi-piston combined with a parking device to control the parking device part of the multi-piston caliper to brake or not to brake.

Description

Multi-piston caliper combined with parking device

The multi-piston caliper of the invention is combined with the parking device, and is mainly applied to the technology of the vehicle parking brake combined with the multi-piston caliper device.

According to the traditional caliper brake parking device, it is divided into three categories, one is a single disc brake, the parking device is combined to make the film move, and the second is the external disc type internal brake drum type parking device, three The new type of electronic valve controls the brake parking device of the brake oil circuit. The invention is applied to the first type of device, and the multi-piston caliper is installed to protect the original brake parking device and combined with the multi-piston caliper.

The present inventor is currently engaged in the manufacture and design of related products, accumulated many years of practical experience and experience, and has actively invested in the spirit of innovation and improvement in response to the existing problems and lacks of the conventional conventional caliper brake device, and completed the multi-piston calipers combined with the resident Stop the device.

The technical means applied to solve the problem and the effect of the prior art are as follows: the brake wire of the parking brake handle is connected to a swinging piece, the center of the swinging piece is provided with a rotating rod, and the rotating rod is provided with a rotating portion a linkage rod, a push rod is pushed by the linkage rod, and a push rod is disposed at a center of the push rod, and the push rod is coupled to a second inner screw type piston by a joint nut, and the torque is tightened by a torsion spring The second inner screw type piston is pushed to make the sheet clamped, and a hook portion is disposed under the swing piece, and the hook portion is provided for one end leg of the torsion spring, and the other one of the torsion spring The end legs are locked on the frame body, and the upward elastic force of the torsion spring allows the swinging piece to drive the brake parking device. When the torsion spring is released, the piece is relaxed, and the parking brake can be utilized. The handle controls the caliper to brake or not to brake; it has an improvement in efficiency and is the primary goal.

In order to make it easier for those skilled in the art to understand the art to understand the construction contents of the present invention and the functional benefits that can be achieved, a specific embodiment will be listed, and the detailed description will be given as follows: a multi-piston caliper combined with a resident For the stop device, please refer to the first, second, third and fourth figures: the three-dimensional combination, the three-dimensional decomposition and the cross-section combination and the BB cross-section of the present invention. The two main bodies 11 and 12 are respectively fixed at a position on the upper side of the disk 10, and the two base bodies 11 and 12 are locked and integrated by a plurality of bolts P1. 12 is internally provided with two corresponding pieces 13 and 14, which are provided with rough surfaces 131, 141 on opposite sides of the sheets 13, 14 for clamping the disc 10 when braking, the two Two first pistons 15 are respectively disposed on opposite sides of the other side of the sheets 13 and 14 , and the two seats 11 and 12 are connected to the first piston 15 to be connected with the oil passage 16 and the outer oil pipe 17 . One of the seats 11 is further provided with an oil connecting pipe 18, and when the pressure is input to the brake oil, the first piston 15 can be pushed, and the rough surfaces 131, 141 of the sheets 13, 14 are clamped to the disc 10; otherwise, the pressure is released. When the brake oil is applied, the first piston 15 is returned to the original position to make the rough faces 131, 1 of the sheets 13, 14. 41 is no longer clamped to the disc 10; characterized in that it is shown in the fifth figure: a perspective exploded view of the internal components of the cartridge holder of the present invention. One of the seats 11 corresponds to a hole 111 at the back of the blade 13 , and two externally threaded posts 112 are disposed on the upper sides of the seat 11 for locking and fixing the first nut N1. The frame body 20 is provided with a hollow cylinder block 201 corresponding to the through hole 111 of the base body 11. The cylinder block 201 is internally provided with a pushing seat 21, a pushing rod 22, a coupling nut 23 and a a second inner screw type piston 24 is provided with a first washer R1 at the rear end of the pusher seat 21, and a push groove 211 is disposed at a center of the rear end of the pusher seat 21, and a push rod 22 is disposed at a center of the front end of the pusher seat 21, The push rod 22 is pivotally fixed to the center of the front end of the pusher seat 21 by a rear pad Q1 and a thrust bearing B. The push rod 22 is provided with a thread 221 for locking a joint nut 23, the joint screw The cap 23 is coupled to the coupling hole 241 of the second internal threaded piston 24, and a front spring seat 25 is disposed in front of the coupling nut 23, and a rear spring seat 26 is disposed behind the second piston 24. The buckle C is fastened to the rear end of the second piston 24, and the coupling nut 23 is provided with a compression at the front spring seat 25 and the rear spring seat 26. The spring S1 pushes the second internal threaded piston 24 backward by the elastic force of the compression spring S1. The second internal threaded piston 24 is further provided with a positioning collar 27 and a front gasket Q2. The second inner portion A positioning groove 242 and a positioning protrusion 271 are disposed between the threaded piston 24 and the positioning collar 27, so that the positioning groove 242 of the second internal threaded piston 24 can be located at the positioning protrusion 271 of the positioning collar 27. Do some movement before and after; Please refer to the sixth figure: a schematic diagram of the three-dimensional combination of the internal components of the socket of the present invention. An outer radial hole 202 is disposed on the outer portion of the base 201. The radial hole 202 is internally provided with a hollow sleeve 28. The hollow sleeve 28 is internally provided with a rotating rod 29, and the rotating rod 29 corresponds to the pushing. The insertion slot 211 of the seat 21 is provided with a insertion slot 291. The insertion slot 291 can be inserted into a linkage rod 30. The other end of the linkage rod 30 is inserted into the pushing slot 211 of the pushing base 21. The rotating rod 29 is externally provided with a second washer R2 and a bushing 31. The rotating rod 29 is further provided with a square joint portion 292 and a thread 293. The square joint portion 292 of the rotating rod 29 is coupled to a swinging piece 32. In the square coupling hole 321 , the thread 293 of the rotating rod 29 passes through the square coupling hole 321 of the swinging piece 32 , and is locked to the swinging piece 32 by the second nut N2 , and the swinging piece 32 is pivoted There is a brake wire 33, and a hook portion 322 is disposed under the swinging piece 32. The hook portion 322 can be used for hooking one end S21 of the torsion spring S2, and the other end S22 of the torsion spring S2 is locked by the positioning pin P2. Fixing on the frame body 20, the upward elastic force of the torsion spring S2 allows the swinging piece 32 to move forward. Line 33; Please refer to the seventh, eighth figure: a side line of the present invention, a plan view showing a state used. The other end of the brake wire 33 is connected to the parking brake handle 34. When the parking brake handle 34 is pulled up, the brake wire 33 can be driven backward, and the swinging piece 32 and the rotating lever 29 are rotated together with the interlocking lever 30. The driving rod 21, the pushing rod 22, the coupling nut 23 and the second internal threaded piston 24 are moved forward by the linkage rod 30. Then, the brake parking operation is performed, and the brake fluid in the oil passage 16 is used to push the first piston 15, and the disc 10 is clamped by the rough surfaces 131, 141 of the sheets 13, 14.

The present invention, which is a combination of the above-described respective component structures, provides a multi-piston caliper combined with a parking device. In practical application: please refer to the ninth and tenth drawings: the pull-up station of the present invention Figure 1 and 2 of the state of the brakes. When the parking brake handle 34 is pulled up, the brake wire 33 can be driven backwards, and the swinging piece 32 and the rotating lever 29 are rotated together with the linkage bar 30, and the driving lever 21 and the pushing lever 22 are driven forward by the linkage bar 30. The nut 23 and the second internal screw piston 24 are moved together to perform the brake parking operation. The brake oil in the oil passage 16 is the first piston 15, and the rough surfaces 131, 141 of the blades 13 and 14 are used. Clamp the disc 10 .

Please refer to the eleventh and twelfth figures: FIG. 1 and 2 show the state of the parking brake handle of the present invention. When the parking brake handle 34 is lowered, the upward elastic force of the torsion spring S2 allows the swinging piece 32 to drive the brake wire 33 forward, and simultaneously drives the swinging piece 32 and the rotating lever 29 to rotate together with the interlocking lever 30. The linkage rod 30 drives the pusher seat 21, the pusher lever 22, the coupling nut 23 and the second internal threaded piston 24 to move backwards together. When the torsion spring S2 is released, the rough surfaces 131, 141 of the sheets 13, 14 are caused. Relax the disc 10 people.

In summary, the present invention provides a multi-piston caliper combined with a parking device, which has been verified by the inventors of the actual production and repeated operation tests, and it is confirmed that the functional benefits expected by the present invention can be achieved. It is also the "first creation" that has not yet been seen in the market. It has the "utility value of the industry". It is true that it has already met the essentials of the "practicality" and "progressiveness" of the invention patents, and it is in accordance with the provisions of the Patent Law. An application for an invention patent is filed.

10‧‧‧disc

11‧‧‧left seat

111‧‧‧Perforation

12‧‧‧ right side seat

13‧‧‧Left order

131‧‧‧Rough surface on the left side

14‧‧‧The right side of the film

141‧‧‧Rough surface on the right

15‧‧‧First Piston

16‧‧‧ oil road

17‧‧‧Outer tubing

18‧‧‧Connected pipe

20‧‧‧ ‧ body

201‧‧‧tube seat

202‧‧‧ hole seat

21‧‧‧ push block

211‧‧‧ push slot

22‧‧‧Pushing rod

221‧‧‧ thread

23‧‧‧Combined nuts

24‧‧‧Second internal screw piston

241‧‧‧Contact hole

242‧‧‧ positioning groove

25‧‧‧ front spring seat

26‧‧‧ rear spring seat

27‧‧‧ Positioning collar

271‧‧‧ positioning convex

28‧‧‧ hollow bushing

29‧‧‧Rotary lever

291‧‧‧ Insert slot

292‧‧‧ Square joint

293‧‧ thread

30‧‧‧ linkage rod

31‧‧‧ bushing

32‧‧‧Swing piece

321‧‧‧ square joint hole

322‧‧‧Hook

33‧‧‧Brake line

34‧‧‧Parking brake handle

C‧‧‧ buckle

B‧‧‧ thrust bearing

N1‧‧‧ first nut

N2‧‧‧ second nut

P1‧‧‧ bolt

P2‧‧‧ positioning tips

Q1‧‧‧ rear pad

Q2‧‧‧ front pad

R1‧‧‧first washer

R2‧‧‧second washer

S1‧‧‧ compression spring

S2‧‧‧Torque Spring

S21‧‧‧ one end of the torsion spring

S22‧‧‧The other end of the torsion spring

First Figure: A schematic diagram of a three-dimensional combination of the present invention.

Second Figure: A perspective exploded view of the present invention.

Third drawing: A schematic view of the sectional combination of the present invention.

The fourth picture is a schematic view of the B-B section of the third figure.

Fig. 5 is a perspective exploded view showing the internal components of the cartridge holder of the present invention.

Fig. 6 is a perspective view showing the three-dimensional combination of the internal components of the socket of the present invention.

Figure 7 is a schematic view showing the side view state of the present invention.

Figure 8 is a schematic view showing the state of use of the present invention.

Ninth view: FIG. 1 is a schematic view showing the state of the brake brake handle of the present invention.

The tenth figure is a schematic diagram 2 of the state of the pull-up brake handle of the present invention.

Eleventh drawing: FIG. 1 is a schematic view showing the state of the parking brake handle of the present invention.

Twelfth Figure: The second schematic diagram of the state of the parking brake handle of the present invention.

10‧‧‧disc

13‧‧‧Left order

131‧‧‧Rough surface on the left side

14‧‧‧The right side of the film

141‧‧‧Rough surface on the right

20‧‧‧ ‧ body

201‧‧‧tube seat

22‧‧‧Pushing rod

23‧‧‧Combined nuts

24‧‧‧Second internal screw piston

25‧‧‧ front spring seat

26‧‧‧ rear spring seat

27‧‧‧ Positioning collar

271‧‧‧ positioning convex

29‧‧‧Rotary lever

30‧‧‧ linkage rod

32‧‧‧Swing piece

322‧‧‧Hook

33‧‧‧Brake line

C‧‧‧ buckle

B‧‧‧ thrust bearing

P2‧‧‧ positioning tips

Q1‧‧‧ rear pad

R1‧‧‧first washer

S1‧‧‧ compression spring

S21‧‧‧ one end of the torsion spring

S22‧‧‧The other end of the torsion spring

Claims (1)

A multi-piston caliper combined with a parking device mainly comprises: two seats at two positions on the upper side of the disc, the two seats are internally provided with two corresponding pieces, a first piston and a communicating oil The road and the outer oil pipe, wherein one of the seats is further provided with a connecting pipe, wherein one of the seats has a perforation corresponding to the back of the piece, and two externally threaded columns are arranged on the upper sides of the body. A slidable frame body is fixedly disposed by the two first nut locks, and the frame body is provided with a hollow tube seat corresponding to the through hole of the seat body, and the tube seat is internally provided with a push seat, a push rod and a combination a nut and a second inner screw type piston; a first washer is disposed on the outer side of the rear end of the pusher seat, and a push groove is disposed at a center of the rear end of the pusher seat, and a push rod is disposed at a center of the front end of the pusher seat; A rear pad and a thrust bearing are pivotally fixed to a center of the front end of the pusher seat, and the push rod is provided with a thread for locking a joint nut; the joint nut is coupled to the second inner thread a coupling hole of the piston, which is provided in front of the coupling nut a front spring seat, a rear spring seat is disposed behind the second piston, and is fastened to a rear end of the second piston by a buckle, and the coupling nut is provided with a compression spring at the front spring seat and the rear spring seat, The elastic force of the compression spring pushes the second internal threaded piston backward; the second internal threaded piston is externally provided with a positioning collar and a front gasket, and between the second internal threaded piston and the positioning collar Corresponding positioning groove and positioning convex portion are disposed, so that the positioning groove of the second inner screw type piston can be displaced before and after the positioning convex portion of the positioning collar; The frame body is further provided with a communicating radial hole seat on the outside of the cylinder block. The hole seat is internally provided with a hollow bushing. The hollow bushing is internally provided with a rotating rod, and the rotating rod is corresponding to the pushing groove of the pushing seat. The insertion slot is configured to insert a linkage rod, and the other end of the linkage rod is inserted into the pushing groove of the pushing seat; the rotating rod is externally provided with a second washer and a bushing. The rotating rod is externally provided with a square joint portion and a thread, and the square joint portion of the rotating rod is coupled to the square joint hole of a swinging piece, and the thread of the rotating rod passes through the square joint hole of the swinging piece, and is screwed The cap is locked to the swinging piece; a brake wire is pivotally disposed above the swinging piece, and a hook portion is disposed under the swinging piece, and the hook portion is provided for one end leg of the torsion spring, and the other end of the torsion spring The positioning tip is locked on the frame body, and the upward elastic force of the torsion spring is used to allow the swinging piece to drive the brake wire forward; the other end of the brake wire is connected to the parking brake handle, when the brake handle is parked When pulled up, you can drive the brakes backwards The wire, at the same time, drives the swinging piece, the rotating rod and the linkage rod to rotate together, and the linkage rod drives the pushing seat, the pushing rod, the combined nut and the second internal threaded piston to move together, thereby performing the brake parking action. The order piece clamps the disc, and when the parking brake handle is lowered, the torque spring is released, so that the piece can relax the pressure of the disc.