TWI267462B - Interlocking brake system for a vehicle - Google Patents

Abstract

To provide an interlocking brake device of a vehicle which enables actuation of a second wheel brake in response to the operation of a first brake operation member in order to perform actuation of the first wheel brake, and which performs braking actuation by interlocking the first and the second wheel brakes while appropriately maintaining the balance of the braking force in accordance with the operation of the first brake operation member, thereby to prevent the braking force of the first wheel brake from becoming too high. The braking reaction force of the first wheel brake BRA which exceeds a predetermined value is transferred to the second wheel brake BFA side on the braking-force-increasing side by the means 26A of transferring the reaction force. Then the force, which responds to the braking reaction force transferred to the second wheel brake BFA side by the means 26A of transferring the reaction force, acts on the first wheel brake BRA on the braking-force-decreasing side by the means 28A of controlling the braking force.

Description

1267462 IX. OBJECTS OF THE INVENTION: TECHNICAL FIELD The present invention relates to a linkage braking device for a vehicle, and more particularly to an operation of a first brake operating member responsive to a brake operation of a first wheel brake to cause a second wheel A linkage brake device for a vehicle that is driven by a brake. [Prior Art] The front and rear wheel brake linkages of the two-wheeled vehicle that interlocks the front and rear wheels of the two-wheeled vehicle are disclosed, for example, in the patent literature. [Patent Document 1 > Japanese Patent Laid-Open Publication No. Hei No. Hei. No. Hei. No. Hei. No. 5 - 5 3 8 4 2 [Invention] [Problems to be Solved by the Invention] In the technique disclosed in the above Patent Document 1, if a rear wheel brake occurs The reaction force is above the set value, and the reaction force acts on the front wheel brake, so that the front wheel brake and the rear wheel brake are linked. Because of the fixed distribution, if the pedal operation is only used to obtain the high front wheel brake force, the rear wheel brake force That is to become too south.

The present invention has been developed in view of the above-described circumstances, and an object of the present invention is to provide a first brake mechanism that can maintain the balance of the braking force in response to the operation of the first brake operating member, thereby causing the first and second wheel brakes to be interlocked to operate the brake. The interlocking brake device of the vehicle in which the braking force of the first wheel brake is excessively high. (Means for Solving the Problem) In order to achieve the above object, the invention of claim 1 is a vehicle linkage brake device that responds to the first wheel brake. 5 312XP / invention manual (supplement) / 94 -11/94116689 1267462 The operation of the first brake operating member that is activated by the vehicle causes the second wheel brake actuator to include a reaction force transmitting means for braking the reaction force of the first wheel brake or more The braking force increasing side is transmitted to the second wheel brake side; and the braking force suppression means is configured to act on the braking force weakening side corresponding to the braking reaction force transmitted to the second wheel brake side by the reaction force transmitting means The first wheel brakes. Further, in addition to the structure of the invention of the first aspect of the patent application, the invention described in claim 2 is characterized in that the brake force suppressing means # is provided to transmit the brake operating force of the first brake operating member. An end portion on the first wheel brake side of the first wheel brake force transmission system that connects the first brake operating member and the first wheel brake shop is connected to the interlocking brake force transmission system that is connected to the second wheel brake. In addition to the structure of the invention of the first aspect of the patent application, the invention described in claim 3 is characterized in that the braking force suppressing means is provided in the first brake operating member and the interlocking brake connected to the second wheel brake. Force transfer between systems.

In addition to the structure of the invention of claim 2, the invention of the invention is characterized in that the first wheel brake system has a drum of a brake panel that rotates in response to the occurrence of a reaction force when the brake is actuated. In the brake braking device, the first wheel brake braking force transmission system and the linkage braking force transmission system are coupled to the equalizing beam arm, and the equalizing beam arm is rotatable parallel to the rotation axis of the brake panel The axis is rotatably supported thereon. The invention contained in item 5 of the scope of application for patents is in addition to the second paragraph of the scope of application for patents. 6 312XP / invention manual (supplement) / 94-11/94116689

In addition to the structure of the invention of 1267462, the linkage braking force system is configured such that the inner cable is movably inserted into the outer cable to form a reaction force transmitting means for compressing the external connection when the reaction force is transmitted. Use the brake force transmission system. The invention of claim 6 is not limited to the structure of the invention as set forth in claim 5, wherein the force transmission means is towed by a force in response to a predetermined value of the first wheel brake. The first link member and the second link member connected to the first link member in response to the first link member and the second link member connected to the first link member constitute a invention of the seventh aspect of the patent application, except for the structure of the invention contained in the patent application. The first wheel brake is rotatably supported by a rear wheel of the frame through a swing arm, and includes a brake panel that rotates when a reaction force is generated during braking, and the second link member supports The swing arm is rotatable to an enemy plate holder supporting the brake panel. In addition to the structure of the invention of the patent application, the invention of the eighth aspect of the invention is characterized in that the second link member is supported by the swing arm. The invention of claim 9 is in addition to the structure of the invention as set forth in the patent application, characterized in that the first wheel brake is rotatably supported by the rear wheel of the frame through the swing arm, and the second member is rotatably Supported by the above frame. The invention contained in claim 10 is in addition to the structure of the invention contained in the patent application, and is characterized in that the first wheel rim 312XP/invention specification (supplement)/94-11/94116689 transmission system, the above-mentioned cable The sixth item of the first to the reaction reaction member is installed in response to the drum type of the ground support. The sixth item is rotatable. The sixth item is installed in the link frame around the ninth car system.

1267462 A drum mounted on a rear wheel that is rotatably supported by a frame through a swing arm and that is rotated by a reaction force generated when the brake is actuated, is rotatably used as the first brake operating member The operating force of the brake pedal of the support frame is transmitted to the brake arm 1 of the first wheel brake. The connection E of the wheel brake force transmission system to the brake pedal is the first link member pair panel when the swing arm is in the lower position. The connection point is B, the center of the rear wheel axle is C, the connection point of the first vehicle brake force transmission system to the brake arm is D, and the first link member is in the state where the # swing arm is in the upper position. The connection point of the brake is B', the center of the axle is C', and when the connection point of the first wheel brake transmission system to the brake arm is D', the first wheel brake transmission force transmission system and the above In the case where the brake arm is in an active state, a set of vertices A of the two triangles of the bottom side is defined by a straight line connecting the above-mentioned joint points B, B' in a state satisfying ZBCD = z: B ' C ' D ' and E ' D '. The connection point of the first link member 2 link member is determined on the straight line L. In addition to the structure of the invention contained in the patent scope item, the invention disclosed in claim 1 is characterized in that the above-mentioned linkage brake force is conventionally connected to the front wheel connecting the second brake operating member and the second cymbal workshop through a bell crank. The car is on the way to the car. Further, in order to achieve the above object, the first aspect of the patent application is a linkage braking device for a vehicle, which is responsive to the operation of the first brake operating member for causing the first vehicle to brake, and the two wheels are braked. It is characterized by: a first master cylinder, a ring shoulder 312 ΧΡ / invention manual (supplement) / 94-11 class 116689 responsive type of the car is the first point of the car,", the rim above the enemy board sensitive car The front end of the first primary piston connected to the first brake operating member is connected to the front end of the first primary piston connected to the first brake operating member by the non-ED = equilateral to the wheel of the fifth conveyor wheel. a first hydraulic chamber of the second wheel brake; and a second master cylinder that constantly releases the hydraulic pressure of the second hydraulic chamber when the second main piston facing the second hydraulic chamber through the front end of the first hydraulic chamber releases the second hydraulic chamber And a reaction force transmitting means for causing a braking reaction force equal to or greater than a predetermined value of the first wheel brake to act on the traveling direction of the second master piston. (Effect of the invention)

According to the invention of the first aspect of the invention, if the reaction force generated by the first wheel brake that is braked by the operation of the first brake operating member is equal to or greater than a predetermined value, the reaction from the first wheel brake is performed. The force is transmitted through the reaction force transmission means to cause the second wheel brake to brake. Further, since the force corresponding to the reaction force transmitted by the reaction force transmitting means is applied to the braking force weakening side of the first wheel brake by the braking force suppressing means, the first brake is operated even on the braking force increasing side of the second wheel brake. The operating member can still suppress the increase in the braking force of the first wheel brake at a fixed ratio. In other words, the first and second wheel brakes can be appropriately maintained, and the braking force can be balanced while performing the interlocking motion. Further, according to the invention of claim 2, the peripheral structure of the first brake operating member can be simplified by providing the braking force suppressing means around the first wheel brake. According to the invention of claim 3, the peripheral structure of the first wheel brake can be simplified by providing the braking force suppression means between the first brake operating member and the interlocking braking force transmission system. 9 312XP / invention manual (supplement) / 94-11/94116689

1267462 According to the invention of claim 4, the first wheel brake braking force transmission system can be used for the first wheel brake by the reaction force transmission system using the reaction from the reaction force transmission means to brake the second wheel brake. In order to reduce the side of the vehicle, the vehicle can be concentrated on the periphery of the first wheel brake, and the braking force suppression means can be simply formed. According to the invention of claim 5, the outer cable connected to the second #煞车 can be compressed by the reaction force of the transmission means, and the second wheel 煞 can be actuated in response to the action, and the inner cable can be utilized. The end portion is an input point of another system. According to the invention of claim 6 of the patent application, since the first link member is pulled by the reaction force of the first wheel brake, the member is rotated, so that the second link member can be converted from the second link member. 1 The reaction force acting direction can increase the reaction force transmission structure of the reciprocating force transmission hand 2 wheel brake side. In the configuration according to the invention contained in item 7 of the patent application, the reaction force transmission without the boom can be transmitted. In the backlash of the path, the first and second of the reaction force transmitting means are disposed around the drum brake of the rear wheel. According to the invention of the eighth aspect of the invention, the first and second link members provided in the backlash force transmission means of the reaction force transmission path which is generated by the shaking of the boom can be omitted. According to the invention contained in claim 9 of the patent application, by rotatably supporting the member to the frame, the weight under the spring 312XP/invention manual (supplement)/94-11/94116689 should be used in conjunction with the force transmitting arm. Rotation, drum 煞 self-reaction force of the first wheel brake The vehicle of the brake wheel is transported by the vehicle from the section that brakes the second link wheel to the first degree of freedom. Considering the accompanying pendulum, the densely-collected member is considered to be accompanied by the pendulum, and the second link structure is arranged. 1 1267462 According to the invention of the first application of the patent application, the brake of the drum brake is arranged at the rear end of the swinging swing arm. In the panel, the second link member is rotatably coupled to the frame, and the connection point between the first and second link members can be determined by lowering the amount of change in the backlash of the interlocking brake system. According to the invention of the first aspect of the invention, it is possible to easily configure the structure in which the reaction force transmitted from the interlocking braking force transmission system is applied to the second wheel brake in addition to the operating force of the second brake operating member.

Further, according to the invention of the first aspect of the invention, if the reaction force generated by the first wheel brake that is braked by the operation of the first brake operating member is equal to or greater than a predetermined value, the first wheel brake is used. The reaction force is transmitted to the second master piston through the reaction force transmission means, whereby the release state of the second hydraulic chamber is released by the advancement of the second master cylinder in the second master cylinder. The first and second hydraulic chambers that communicate with each other generate hydraulic pressure corresponding to the reaction force transmitted from the reaction force transmitting means, whereby the hydraulic pressure acts on the second wheel brake, and the second wheel brake brakes. Further, the first main piston of the first master cylinder presses the first brake operating member on the side where the operating force is weakened by the hydraulic pressure corresponding to the reaction force transmitted by the reaction force transmitting means, and the braking force of the second wheel brake is increased. When the first brake operating member is operated sideways, the increase in the braking force of the first wheel brake is still suppressed at a fixed ratio. In other words, the first and second wheel brakes can be properly operated while maintaining the balance of the braking forces. [Embodiment] Hereinafter, embodiments of the present invention will be described based on embodiments of the present invention shown in the drawings. 11 312XP / invention manual (supplement) / 94-11/94116689

1267462 FIG. 1 to FIG. 8 are diagrams showing an embodiment of the present invention. FIG. 1 is a simplified side view showing a two-wheeled vehicle structure of a brake device structure, FIG. 2 is an enlarged view of the two arrows, and FIG. 3 is a view of FIG. 3 - 3 line sectional view, which is a perspective view of the part shown in Fig. 2, Fig. 5 is an enlarged view of the important part of Fig. 1 showing the non-state of the rear wheel brake, and Fig. 6 is used to display the front and rear rear wheel brakes The diagram of the actuated state corresponds to FIG. 5, the enlarged view of the arrow portion of FIG. 1, and FIG. 8 is a diagram showing the change of the braking force with respect to the input of the seesaw. First, in Fig. 1, the axle 16 supporting the rear wheel WR is rotatably supported at the front end portion of the rear pair of swing arms 17L and 17R, and the frame F of the two vehicles is provided in the middle portion of the front and rear directions. On the pivot plate 15, a rear buffer unit (not shown) is provided between the F and the two swing arms 1 7 L and 17 7 R. The front fork 19 of the lower end axle front wheel WF is steerably supported by a front end pipe 1 provided at the front end of the frame, and the lever-shaped steering handle 20 is coupled to the upper portion of the front fork. A rear wheel brake belonging to the first wheel brake is mounted on the rear wheel WR. A front wheel brake B F A belonging to the second wheel brake is attached to the front wheel W F , and the rear vehicle BRA and the front wheel brake BFA are drum brakes. The brake pedal 21 belonging to the first brake operating member is stepped and rotatably supported by the pivot plate 15 of the frame F, and the return spring 22 is contracted with the brake pedal 2 1 . The brake operating force generated by the brake pedal 2 1 is transmitted to the rear wheel brake Brake 23A of the rear wheel brake brake cable 23A belonging to the first wheel brake braking force system, and the brake lever 24 as the second brake operating member can be used. Rotating operation 312XP/Invention manual (supplement)/94-l 1/W116689 System diagram Figure 4 Left-hand frame of the 7-wheeled vehicle, F, 19 BRA, Wheeler TTM 4 Operation & 15 Operation Transfer. Also, installation 12

1267462 On the right side of the steering handle 20, the vehicle operating force generated by the operation of the brake lever 24 is transmitted to the front wheel BFA ° through the front wheel brake car 25 and the rear wheel brake is performed by the pedaling operation of the brake pedal 2 1 When the brake is actuated, and the reaction force generated by the rear wheel brake BRA is above, the reaction force is transmitted through the reaction transmission means 26, the linkage brake cable 2 7 属 and the front wheel brake cable 25 of the brake transmission system. It is transmitted to the front wheel brake BFA 煞 vehicle power increasing side. The force corresponding to the squatting force transmitted to the front wheel brake BFA side by the reaction transmission means 2 6 A is by the vehicle force suppression means 2 8 A, and the rear wheel brake is applied to the force weakening side. BRA brakes. 2 and 3, the rear wheel WR is composed of a hub 31; the rim 3 2 of the coaxial hub 31; a plurality of 3 3, 3 3 ... between the hub 31 and the rim 3 2; and mounted to the rim 3 The tire 3 of the 2 is constituted by the rim integrally having an inner cylindrical portion 31 a which is coaxially supported at both ends to support the rear portions of the pair of swing arms 1 7 L, 17 7 R, and the swing arm 1 can be adjusted along the same An axle 1 6 at a position in the longitudinal direction of 7 R; an outer tubular portion 3 1 b that surrounds the inner tubular portion 3 1 a; and a connecting wall portion 3 1 c that connects the inner tubular portion and the outer tubular portion 3 1 Between the middle portions of b; the left and right ends of the inner cylinder portion 3 1 a are rotatably sandwiched between the inner wheels and the cylindrical spacer ring 3 5 side and the right side ball bearing 3 6 , 3 7 around the axle 16 Supported by the axle 1 6, each of the spokes 3 3, 3 3 ... is coupled to the outer circumference of the outer tubular portion 3 1 b. The connecting wall portions 3 1 c are connected to each other in a portion closer to the left side than the central portion of the inner cylindrical portion 3 1 a and the portion 3 1 b in the axial direction, and are in the hub 3 1 312XP/invention specification (supplement)/94 -11/94116689's brake BRA is set to the left side of the left outer cylinder of the above left outer cylinder which is used for borrowing and reversing around the spoke ^ 31 about 17L, the shaft circumference 31a

On the end side of the 1267462, a plurality of locking recesses 38 are formed in the circumferential direction at equal intervals in the above-described connecting wall portion 3 1 c. On the other hand, the swing arm 1 7 L on the left side of the left ball bearing is interposed: the inner end of the cylindrical follower flange collar abuts the inner wheel of the left ball bearing 36, around the axle 1 6; the cylindrical left axis The ring 40 has an inner end abutting the driven flange collar 39 and the outer end abutting the inner side of the swing arm 17L on the left side. The swing arm 1 7 L on the left side and the hub 3 1 are disposed from the joint 4, and the driven flange shaft Φ is driven and fastened to the driven flange collar 39. The driven flange 42 pushes the sprocket 43 by a drive key 44 that transmits power from a power unit (not shown) of the frame F. Further, the above-described driven flange 42 integrally protrudes from the locking projections 4 2 a of the plurality of locking recesses 38 included in the hub 31, and the locking recesses 3 in the circumferential direction of the hub 31 A damping rubber 45··· is interposed between each of the locking projections 42a of both sides of the 8.... That is, the power transmitted from the force unit to the driven flange 42 is transmitted to the hub 31 through the shock absorbing rubber. The rear wheel brake BRA is a drum type brake that is closer to the right side anchor 3 1 than the connection wall portion 3 1 c, and is a conventional member having the following members: the above-mentioned 3 1 b, which functions as a brake drum; 4, the right end opening portion of the closing portion 3 1 b is airtightly fitted to the right pair of brake blocks 4 8 ... of the outer tubular portion 3 1 b, and is frictionally engaged with the inner end of the outer tubular portion 3 1 b The slewing portions are respectively rotatably supported by the fulcrums 4 7 ...; the brake camshafts 4 9 are moved around the axes of the respective fulcrums 4 7 ..., and are disposed in the above-mentioned two brake blocks 4 8... another 312XP / invention manual (supplement) /94-11/94116689 occlusion end '36 and 39, its as well as the circle I, the movable flange bearing 41, loaded on the hook from the insertion wheel, In the same direction as above, the outer tube end of the outer tube portion of the automatic ^ 4 5···; the circumference, the 55 part of the end of the car-like plate rotation end portion 14 1267462

To the end of the way

Yu You Cheng and

It is rotatably supported by the brake panel 46; and the brake arm 50 and the like, and its base is fixed to the protruding end of the brake camshaft 49 projecting from the brake panel 46. A panel holder 54 having a through hole 53 through which the axle 16 is inserted is connected to the inner surface of the rear portion of the right swing arm 17 R, and a swing arm is disposed on the outer side of the front portion of the panel holder 54. a recess extending in the longitudinal direction of the 1 R, a projection 56 protruding from the inner surface of the right swing arm 17 7 is engaged with the recess 55 in the central portion of the brake panel 46, and is integrally disposed around the axle 1 6 extending the cylindrical portion 4 6 a of the panel holder 5 4 , the inner end abuts the inner wheel of the right ball bearing 37 disposed between the hub 3 1 axle 16 , surrounds the axle 16 , and passes through the above-mentioned brake The outer side of the cylindrical right collar 5 7 of the cylindrical portion of the plate 46 abuts against the annular step portion 5 3 a formed in the through hole 53 of the panel holder 55, and is embedded. The inner end side of the through hole 53 is joined to the inner end side. Between the right side collar 57 and the cylindrical portion 46a of the brake panel 46, the sleeve has a pair of bushings 58... which are engaged with the flanges 58a of the ends of the cylindrical portion 46a. In the lining 5 8 ..., the outer end of the outer bushing 58 abuts against the panel holder 54. That is, the brake panel 46 is disposed to be sandwiched between the panel holder 54 and the hub 31 supported on the inner surface side of the side swing arm 17 7 , and is supported by the panel holder 54. 4, the forwardly extending wrist portion 46b is integrally disposed on the upper portion of the vehicle panel 46, and is opposed to the wrist portion 46b from below, and the spring holder 59 is formed in the above manner. Panel clamp 54. Moreover, a helical spring 60 is interposed between the spring brackets 59b and the spring brackets 59, and the braking force generated by the brakes is generated by the rear wheel brake BRA 312XP/invention manual (supplement)/94-11/94116689 15 1267462. The direction of the arrow 6-1 of Fig. 2 acts on the brake panel 46. However, when the brake reaction force is greater than or equal to a predetermined value determined by the spring 60, the brake panel 46 is rotated in the direction indicated by the arrow 61. The rear wheel brake cable 2 3 A inner cable 6 3 is movably inserted into the outer cable 6 2 and the one end of the outer cable 6 2 is supported by the pivot plate 15 fixed to the frame F. The frame 6 4 (refer to FIG. 1 ) has one end of the inner cable 6 3 protruding from the end of the outer cable 6 2 in response to the stepping operation of the brake pedal 2 1 , and is pulled forward to be coupled to the cymbal pedal 21 . Further, the cable cover 65 attached to the other end of the outer cable 62 is supported by being fitted to the cable supporting portion 4 6 c integrally provided on the outer surface of the brake plate 4 6 from the front side. The cable end screw 6 6 provided at the other end portion of the inner cable 6 3 protruding from the cable cover 65 is slidably supported by a diameter line of the connecting shaft 67 which is rotatably supported at the front end portion of the brake arm 50. The nut 6 8 that is engaged with the outer side of the connecting shaft 6 7 is screwed to the protruding portion of the cable end screw 6 6 protruding from the connecting shaft 67, and a torsion spring 6 9 is disposed between the brake panel 4 6 and the braking arm 50. It is brought to the connecting shaft 6 7

The brake arm 50 is rotated in the direction of the nut 68 and is engaged with the camshaft 49. Further, the inner cable 6 is pulled by the stepping operation of the brake pedal 21, and the brake arm 50 is rotated in the counterclockwise direction of Fig. 2, whereby the rear wheel brake BRA is braked. Moreover, by adjusting the screwing position of the nut 68 to the cable end screw 66, the backlash of the rear wheel brake cable 2 3 A can be adjusted between the cable cover 65 and the cable end screw 6 6 . A bushing 70 surrounding the inner cable 63 is clamped. The reaction force transmitting means 2 6 A is composed of a first link member 16 312XP extending linearly, an invention manual (supplement) / 94-11 /94116689 1267462 7 1 , and a substantially L connected to the first link member 7 1 The second link member 72 is formed in a shape. The first link member 71 is pulled in response to a reaction force of a predetermined value or more in response to the rear wheel brake BRA, and the one end is coupled to the lower portion of the brake shoe 46 by a coupling pin 733. Further, the intermediate portion of the second link member 721 is transmitted through the support pin 704, and is rotatably supported by the upper portion of the panel holder 54. One end of the second link member 7.2 is supported by the first link member. The traction of 71 is rotated in the clockwise direction of Fig. 2, and is coupled to the other end of the first link member 71 via the coupling pin 75.

The interlocking cable 2 7 A is configured such that the inner cable 7 8 is movably inserted into the outer cable 7 7 and the one end portion of the interlocking cable 2 7 A is connected to the middle of the front wheel brake cable 25 . Further, the cable cover 79 attached to the other end of the outer cable 77 abuts on the front side and is fitted to the connecting shaft 76 rotatably supported by the other end portion of the second link member 721, and protrudes from the cable cover 79. The other end of the cable 78 is provided with a cable end screw 80, and a bushing 81 surrounding the inner cable 7 8 is disposed between the cable cover 7 9 and the cable end screw 80. Further, if the braking reaction force generated by the rear wheel brake BRA is equal to or greater than a predetermined value determined by the spring 60, the second link member 7 of the reaction force transmitting means 26A is responsive to the brake panel 46 to the first link member. The traction of 71 is rotated in the clockwise direction of Fig. 2, and the cable cover 7 9 attached to the outer cable 77 of the interlocking brake cable 2 7 A is pushed forward. That is, when the reaction force transmitting means 2 6 A is transmitted during the reaction of the reaction force, the outer cable 7 7 of the compression linkage brake cable 2 7 A is connected to the link of the linkage brake cable 2 7 A, and the linkage cable 2 7 A is used. Thereby, the reaction force generated by the compression of the outer cable 7 7 causes the inner cable 7 8 to move to the front side.

Further, the braking force suppressing means 28A is provided on the rear wheel brake BRA side end portion and the interlocking brake cable 2 7 A in the rear wheel brake brake cable 23A 17 312XP / invention manual (supplement) / 94-11/94116689 1267462 The end portion of the rear wheel brake BRA side of the rear wheel brake cable 23A and the end portion of the interlocking brake cable 2 7 A are coupled to the brake panel 46 so as to be rotatable about an axis parallel to the rotation axis thereof. Both ends of the beam arm 85 are equalized. The intermediate portion of the equalizing beam arm 85 is rotatably supported by the brake camshaft 4 9, and the cable end screw 80 of the interlocking cable 2 7 A is rotatably supported by the connecting shaft 8 of the upper portion of the equalizing beam arm 85. A diametrical line of 6 is penetrated, and a nut 81 that is engaged from the rear of the connecting shaft 86 is screwed to a protruding portion of the cable end screw 80 protruding from the connecting shaft 8 6 Φ, and the cable cover 7 9 Between the connecting shafts 86, the helical springs 8 2 that urge the equalizing beam arms 85 in the direction in which the connecting shafts 8 abut and engage with the nuts 81 are disposed around the bushings 81. Further, in the front portion of the cable end screw 6 6 of the rear wheel brake bar 2 3 A, the front side locking flange portion 6 6 a and the rear side locking flange portion 6 6 b are provided at intervals in the front and rear. The lower portion of the equalizing beam arm 85 is integrally provided between the two locking flange portions 6 6 a and 6 6 b across the cable end screw 6 6 to form two engaging plate portions 85 5 a.

Further, when the rear wheel brake BRA is in the non-actuated state, as shown in Fig. 5, the equalizing beam arm 85 is at a position where the engaging plate portion 85a is locked to the front locking edge portion 66a from the rear side. By pulling the inner cable 6 3 of the rear wheel brake brake cable 23A, the rear wheel brake BR A performs the brake operation, and the rear side locking flange portion 6 6b approaches the engaging plate portion 85a from the rear, and follows the rear wheel brake BRA. The brake reaction force generated by the actuation becomes a predetermined value or more. As shown in Fig. 6, the inner cable 6 3 of the rear brake car 2 3 A is pulled forward until the above-mentioned engagement plate portion 8 5 a is from the front side card. The position of the locking flange portion 6 6 b on the rear side is 18 312 XP / invention manual (supplement) / 94-11/94116689 1267462. Further, if the braking reaction force generated by the rear wheel brake BRA is equal to or greater than a predetermined value, the inner cable 7 7 of the interlocking brake cable 2 7 A is compressed by the action of the reaction force transmitting means 26 A. 7 8 toward the front side, pushing the equalizing beam arm 8 5 in the clockwise direction of FIG. 6, and engaging the locking flange portion 6 6 b of the rear side from the front side by the engaging plate portion 85 a, backward The inner cable 63 of the brake cable 23A is pulled by the side tension traction rear wheel brake. That is, the force corresponding to the braking reaction force transmitted by the reaction force transmitting means 2 6 A is the braking force suppression means 28 8 A, and acts on the rear wheel Φ Φ 车 BRA on the braking force weakening side.

In FIG. 7, the front wheel brake cable 2 is formed by movably inserting the inner cable 90 in a pair of outer cables 88 and 89 divided upward and downward, and one end of the inner cable 90 is pulled in response to the operation of the brake lever 24 . The other end of the inner cable 90 is coupled to the brake arm 91 (see FIG. 1) belonging to the front wheel brake BFA of the drum brake. Further, one end of the upper outer cable 8 8 is supported by the steering handle 20 in the vicinity of the brake lever 2 4 described above. One end of the lower outer cable 8 9 is fitted from below and supported by a frame F fixed near the head pipe 18

The cylindrical support portion 9 2 a at the lower portion of the support bracket 9 2 and the other end of the lower outer cable 8 9 are supported by the brake panel 9 3 (see FIG. 1 ) provided in the front wheel brake B F A . One end of the external cable 77 is attached to the interlocking cable 2 7 A from the rear side, and is supported by a cylindrical support portion 9 2 b provided on the upper portion of the support bracket 9 2 , and protrudes from the end of the cable 7 7 One end of the inner cable 7 8 is coupled to one end of the bell crank 94. The intermediate portion of the bell crank 94 that forms a substantially L-shaped shape is rotatably supported at the intermediate portion of the support bracket 92 by the support shaft 9 5 19 312XP/invention specification (supplement)/94-11/94116689 1267462. The other end portion of the upper outer cable 8 8 of the front wheel brake cable 2 is fitted from above and supported by a cylindrical support portion 94a provided at the other end of the bell crank 194. Further, a stopper 92c for restricting the rotation end of the bell crank 94 which is rotated in the clockwise direction of Fig. 7 is integrally provided to the support bracket 92. If the linkage of the inner cable 78 of the brake cable 2 7 A is in response to the reaction force transmission of the reaction force transmitting means 2 6 A, it is pulled to the rear side, and the bell crank 94 rotates in the counterclockwise direction of FIG. 7, thereby compressing The upper outer cable 8 8 is Φ Φ with the reaction force generated by the compression of the upper outer cable 8 8 , and the traction force is applied to the inner cable 90 to cause the front wheel brake BFA to brake. That is, the interlocking brake cable 2 7 A is connected to the middle of the front wheel brake cable 25 connecting the brake lever 24 and the front wheel brake BFA via the bell crank 94. Next, the action of the first embodiment will be described. If the reaction force generated by the rear wheel brake BRA that is braked by the operation of the brake pedal 2 1 is equal to or greater than a predetermined value, the reaction is caused by the rear wheel brake BRA. Force

The reaction force transmitting means 26A transmits the brakes to the rear wheel brake BRA. Further, since the force corresponding to the reaction force transmitted by the reaction force transmitting means 26A acts from the braking force suppressing means 28A to the rear wheel braking BRA on the braking force weakening side, even if the braking force is increased on the front wheel brake BFA Operating the brake pedal 2 1, the increase in the braking force of the rear wheel brake BRA is still suppressed to a fixed ratio, and the braking force of the rear wheel brake BRA is not too high. That is, as shown in FIG. 8, if the brake operation input of the brake pedal 21 is greater than or equal to a certain value F, the braking force increase ratio of the rear wheel brake BRA is lowered, and the first 20 312XP/invention specification (supplement)/94·11/ 94116689 1267462 The rim car BFA exerts the braking force within this level, and can be operated in conjunction with the rear wheel brake BRA and the front wheel brake BFA to properly maintain the balance of the braking forces. Further, the braking force suppression means 2 8 A is provided on the rear wheel brake BRA side of the rear wheel brake bar 2 3 A which is connected to the brake operating force of the brake pedal 2 1 and is coupled between the brake pedal 2 1 and the rear wheel brake BRA. The end portion and the interlocking brake cable 27A connected to the front wheel brake BFA can simplify the peripheral structure of the brake pedal 21 by arranging the braking force suppression means 28A around the rear wheel brake BRA.

Further, the braking force suppressing means 2 8 A connects the end portion of the rear wheel brake BRA side of the rear wheel brake bar 2 3 A and the end portion of the interlocking cable 2 7 A to an axis parallel to the rotation axis thereof. And rotatably supported at both ends of the equalizing beam arm 85 of the brake panel 46 of the rear wheel brake BRA, so that the reaction force transmission means 26 6 A is used for the reaction force transmission, and the brake cable 27A is linked. The front wheel brake BFA is braked, and in response to the rotating force of the equalizing beam arm 85, the rear wheel brake can be used to brake the braking force on the rear wheel brake BRA, and can be concentrated on Around the rear wheel brake BRA, the brake force suppression means 28 A is simply formed. Further, when the reaction force transmitting means 2 6 A transmits the reaction force, the outer cable 7 7 of the interlocking brake cable 2 7 A is compressed and connected to the interlocking brake cable 2 7 A by the reaction force transmitting means 2 6 The reaction force of A is compressed and connected to the outer cable 7 7 of the linkage brake cable 2 7 A of the front wheel brake BFA. In response to this action, the front wheel brake BFA is braked. Further, the reaction force transmitting means 26A is caused by the first link member 7 1 which is pulled in response to the reaction force of the 21st 312XP/invention specification (supplement)/94-11/94116689 1267462 or more in response to the rear wheel brake BRA; The second link member 72 is coupled to the first link member 71 in response to the traction action of the first link member 71, and the reaction force from the rear wheel brake BRA can be converted by the second link member 7 2 . The direction of action and the degree of freedom in the arrangement of the reaction force transmitting structure transmitted from the counter-force transmitting means 2 6 A to the front wheel brake BFA side can be increased. Further, since the second link member 72 is supported by the swing arm 17R, it is rotatably supported by the panel holder of the brake panel 46 of the rear wheel brake BR A, so that it is not necessary to consider With the backlash of the rocking reaction force transmitting structure of the swing arm 1 7 R, the reaction force transmitting means 2 6 A can be densely arranged around the drum brake mounted on the rear wheel WR. Further, since the interlocking brake cable 2 7 A is connected to the front wheel brake cable 2 5 between the brake lever 24 and the front wheel brake BFA via the bell crank 94, it can be simply configured to be in addition to the operating force of the brake lever 24. The reaction force from the interlocking brake cable 27A is applied to the structure of the front wheel brake BFA.

Fig. 9 is a view showing a second embodiment of the present invention, and the portions corresponding to the above-described first embodiment are denoted by the same reference numerals. When the rear wheel brake BRB belonging to the drum brake is actuated by the pedaling operation of the brake pedal 2 1 and the reaction force generated by the rear wheel brake BRB is equal to or greater than a predetermined value, the reaction force transmission means 26B is connected to In the front wheel brake BFA (refer to the first embodiment), the interlocking brake cable 2 7 B belonging to the interlocking brake force transmission system transmits the reaction force to the front wheel brake BFA on the braking force increasing side, corresponding to the reaction force transmission means 22 312XP/Invention Description Supplement) /94-11/94116689 1267462 2 6 B The force transmitted to the BFA side of the front wheel brake is applied to the rear wheel brake BRB by the braking force suppression means 2 8 B on the braking force weakening side. .

The rear wheel brake cable 2 3 B has an outer cable 6 2 supported at one end to the bracket 6 4 of the pivot plate 15 , and an inner cable 63 movably inserted into the outer cable 6 2 , the inner cable One end of 63 is coupled to the brake pedal 21. Further, the cable cover 65 attached to the other end of the outer cable 62 is supported by the cable support portion 916a integrally provided on the outer surface of the brake panel 916 provided in the rear wheel brake B R B by fitting from the front. The cable end screw 7 7 provided on the other end side of the inner cable 6 3 projecting from the cable cover 65 is adjustably coupled to the front end portion of the arm 9 8 provided in the rear wheel brake BRB. By pulling the inner cable 6 3 by the pedaling operation of the brake pedal 2 1 , the brake arm 9 8 is rotated in the counterclockwise direction of Fig. 9, whereby the rear wheel brake B R B performs the brake operation. The reaction force transmitting means 2 6 B is composed of a first link member 9 9 extending linearly and a second link member 100 extending linearly and connected to the first link member 9 9 . In response to the reaction of the rear wheel brake BRB, the first link member 9 is pulled by the reaction force of a predetermined value, and the one end is coupled to the lower portion of the brake panel 96 by the joint pin 1 0 1 . Further, the rear end portion supports the axle 16 of the rear wheel WR (refer to the first embodiment), and the front end portion is slidably supported by the upper portion of the intermediate portion in the longitudinal direction of the swing arm 1 7 R ' of the pivot plate 15 . One end portion of the second link member 110 is rotatably supported by the support pin 102, and is pulled by the first link member 919 at the intermediate portion of the second link member 100. The link member 100 is rotated in the clockwise direction of FIG. 9, and the other end of the first link member 919 is coupled via the coupling pin 100. On the other hand, the spring supporting member 1 〇4 is fixed to the lower portion of the intermediate portion in the longitudinal direction of the above-mentioned swing arm 1 7 R' 23 312XP / invention specification (supplement) / 94-11/94116689 1267462, facing from the front side The arm portion 1 0 0 a of the spring supporting member 104 is suspended downward from the intermediate portion of the second link member 110, and is contracted between the wrist portion 100a and the spring supporting member 104, along the FIG. The spring 1 0 5 that urges the second link member 100 is rotated in the counterclockwise direction. Further, the swing arm 1 7 R ' protrudes from the stopper 106, and is limited to the rotation end of the second link member 100 which is rotated in the counterclockwise direction by the spring force exerted by the spring 105. Further, although the brake reaction force when the rear wheel brake Φ BRB is actuated by the pedaling operation of the brake pedal 2 1 causes the brake panel 9 6 to rotate in the clockwise direction of FIG. 9, the above-described spring 1 0 5 The elastic force transmission reaction means 2 6 B acts on the brake panel 9 6 in the counterclockwise direction of FIG. 9 , and when the braking reaction force is greater than the spring force of the spring 1 0 5 , the brake panel 9 6 follows the clockwise direction of FIG. 9 . Rotation, whereby the first link member 9 9 of the reaction force transmitting means 2 6 B is pulled. The linkage cable 2 7 B is used to make the inner cable 1 0 9 movably inserted into the outer cable of the front and rear partitions 1 0 7 and 1 0 8 , and the front side outer cable 1 0 7

The rear side is fitted and supported by the support portion 9 2 b (see FIG. 7 ) at the upper portion of the support bracket 9 2 , and one end of the inner cable 1 0 9 is coupled to the bell crank 9 4 (see FIG. 7 ). Further, the cable cover 111 attached to the other end of the outer cable 107 on the front side is supported by the support portion 110 in the middle of the swing arm 17 R'. Further, a cable cover 112 is attached to one end of the outer cable 1 0 8 at the rear, and a bushing 113 surrounding the inner cable 109 is disposed between the second cable covers 111 and 112. A cable cover 114 is attached to the other end of the rear outer cable 108, and the cable end 115 provided at the other end of the inner cable 109 protruding from the cable cover 114 is coupled to the brake panel 96 of the rear wheel brake BRB via the pin 116. 24 312XP/Invention Manual (supplement)/94-11/94116689

1267462 Further, the cable cover pin 11 9 attached to the rear end of the outer cable 108 is coupled to the other end of the second side of the reaction force transmitting means 2 6 B. Further, if the rear-wheel brake BRB generates a predetermined value or more determined by the brake reaction 105, the reaction force transmitting means link member 100 is responsive to the first link member 919, and is guided by the brake, as shown in FIG. Rotate clockwise and push the cable cover 1 1 2 of the outer cable 1 0 8 of the ampere cable 2 7 B from the rear. That is, when the anti-Φ means 2 6 B is transmitted by the reaction force, the compression linkage for the outer cable 1 0 8 is connected to the linkage of the linkage cable 2 7 B, and the inner cable 1 0 9 of the cable 2 7 B is used. The back side of the compression of the cable 1 0 8 is pushed. Further, the braking force suppression means 2 8 B is provided on the rear end of the rear wheel brake BRB side for the rear wheel brake and the cable end screw 7 7 of the interlocking brake cable 2 7 B and the rear end of the brake cable 2 3 B. The cable cover 1 1 4 at the other end of the outer cable 1 0 8 on the rear side is provided, and the base end portion is rotatably supported by the front end portion of the equalizing beam arm 1 18 via the brake camshaft 49 to constitute a rear wheel brake The end of the BRB side of the rear wheel brake and the linkage of the brake cable 2 7 A. Further, if the force generated by the rear wheel brake BRB brake is above a predetermined value, the outer cable 1 0 8 of the interlocking brake cable 2 7 B is compressed by the reaction reaction force transmission manual to equalize the clockwise direction of FIG. Rotating, the front and rear wheel brakes are pulled backwards by the brake cable 6 3 . That is, corresponding to the reaction force transmitting hand 312XP / invention manual (supplement) / 94-l 1/9411 (5689 1 1 2 through the connecting member 10 0 0 force becomes the spring 26B of the 25: plate 9 6 The linkage braking force of the interlocking force transmission vehicle cable 27B is directed to the brake cable 2 3 B, and the rear wheel brake cable 27A is juxtaposed to the brake panel reaction portion of the vehicle panel panel 9 6 The beam arm 1 1 8 is along the 2 3 B inner cable section 2 6 B

1267462 The force of the reaction force of the brake is sent, and the self-powering force suppression means 28B acts on the rear wheel brake BRB. According to the second embodiment, the same as in the first embodiment described above can be obtained. Fig. 10 to Fig. 1 2 are views showing a third embodiment of the present invention, showing a side view of an important part of the interlocking device, Fig. 11 is an arrow view of Fig. 11, and Fig. 1 2 is for explaining the first And the drawing of the position setting of the point of the 2nd link member. The brake pedal 2 1 ' belonging to the first brake operating member is rotatably mounted on the pivot plate 15 of the frame F, and the rear wheel brake BRC belonging to the drum brake is braked by the pedaling operation of the brake pedal 21 When the reaction force generated by the rim brake BRC is equal to or greater than a predetermined value, the force transmission means 26C is connected to the front wheel brake BFA (refer to the linkage brake 2 7 C belonging to the linkage brake transmission system of the first real machine; The reaction force is transmitted to the front wheel brake BFA 煞 vehicle force increasing side, and the force corresponding to the 煞 force transmitted to the front wheel brake BFA side by the reaction force transmitting means 2 6 C is used by the braking force reducing means 2 8 C after the braking force weakening side The rim brake BRC. The brake pedal 2 Γ is connected to the brake lever 23C that is transmitted by the first wheel brake, and is coupled to the brake arm provided by the rear brake BRC to pull the brake lever 2 by the pedaling operation of the brake pedal 2 1 ' C, 煞1 2 0 rotates in the counterclockwise direction of Fig. 10, whereby the rear wheel brake BRC brakes. The reaction force transmission means 2 6 C is the first connection 312XP/invention manual (supplement) extending linearly ) / 94-11/94116689 The effect of the brake I I 0 0 0 is supported and the color is reversed.) The above-mentioned vehicle is used in the system 120, the arm is connected to the rod structure 26 1267462, and the first link member is connected. The 2nd link member 122 of the large ^ ^^ ^ L shape of j 2丨 is formed. The j-link member 1 pin 1 2 4 is connected from the one end to the rear wheel brake BRC by the connection 24 and is rotatably supported by the brake pedal 21 ' behind the pivot 钭 V + b The moxibustion surface of the fulcrum 1 2 5 is obliquely upward, and the rotatable 妯* 1 丨 of the second link member 122 is movably supported by the pivot plate i 5 through the support pin 1 2 6 , by reference, ^1 The two-link member 122 of the link member 121 is rotated in the counterclockwise direction of FIG. 1A and FIG. 41 4′′, and the other end of the first link member 121 is connected to the top surface 127 by the chessboard At the end of the second member #1 2 2 . The upwardly facing spring support portion 122a is 1 〇 9 ,. Further, at the other end portion of the second link member ^, the spring support portion 128 of the yellowing support portion 22a protrudes from the upper side, and the spring support portion 128 of the yellow support portion 1222 protrudes from the pivot plate 15' to the second spring support portion 122. The spring 129 that urges the second link member 122 is rotated in the clockwise direction of FIGS. 10 and 11. And the pivot plate 15 Φ ····壬5 dog 5 and the stopper 130, which is restricted by the elastic force exerted by the spring 1 29, and the 2 link member 122 rotates in the clockwise direction. The turning end. Moreover, although by using the pedal pedal 2〗 'Ao Z 1 private operation, the rear wheel brake BRC brakes the car when the brake reaction 1 history, the car panel 1 2 3 in the clockwise direction of Figure 1 〇. However, the elastic force of the upper sweat is transmitted to the brake panel 123 from the counterclockwise direction of the 4k port 10 through the reaction force transmitting means 2 6 C, and the reaction force of the above brake becomes the elastic crystal +, q kg When you see uy's elasticity, 煞

The car panel 1 2 3 is rotated in the clockwise direction M of Fig. 10, thereby pulling the first link member 丨2 j of the reaction force transmitting means 2 6C. Linkage with the cable 2 7 C system to make the inner + 1 q 9 can # η Jing 1 3 2 movably insert the external cable i 3 j 312 ΧΡ / invention manual (supplement) / 94-11/94116689 27

In the case of 1267462, one end of the outer cable 1 31 is fitted from the rear, and is supported by a support portion 9 2 b (see FIG. 7 ) at the upper portion of the frame 9 2 . The support of the outer cable 1 3 1 is provided in the second connection. Further, the support member at the other end of the rod member 1 2 2 is connected to the bell crank 9 4 at one end of the inner cable 1 3 2 (refer to FIG. 7 , the brake force suppressing means 2 8 C is provided on the brake pedal 2 1 ' and the linkage cable 2 7 In the case of C, the interlocking cable 2 7 C is provided in the inner cable 1 3 2 the other cable end 1 3 3 is connected to the pin near the support shaft 1 2 5 through the connecting pin 1 3 4 and is generated by the rear wheel brake BRC. The brake reaction force is greater than the predetermined value specified by the spring 1 2 9 , and the reaction force transmission means 2 6 C the link member 1 2 2 is in response to the first link member 1 2 1 being guided by the brake panel, along the inverse of FIG. Rotating in the clock direction, pushing forward the outer cable 1 3 1 for linkage with 2 7 C. That is, the reaction force transmitting means 2 6 C compresses the outer cable 1 3 1 of the linkage cable 2 7 C when its force is transmitted. The inner cable 1 3 2 of the linkage cable 2 7 C is pushed by the reverse of the compression of the outer cable 1 3 1. Further, if the braking force is generated by the braking of the rear wheel brake BRC, Above the value, the external cable 1 3 1 of the brake cable 2 7 C is compressed by the response reaction force transmitting the 2 6 C, so that the suppression means 2 8 C raises the brake pedal 2 至 to the operation input, that is, correspondingly The braking force transmitted by the reaction force transmitting means 2 6 C, the braking force suppression means 2 8C, the wheel brake BRC on the braking force weakening side. The braking panel 1 7 R is provided at the rear end of the rocking arm 1 2 3, phase 312XP / invention manual (supplement) / 94-11 / 94116689 support the other end of the 1 22b ° ° ° with the car pedal at one end of the car for the second 123 to drag the car cable reaction with the brakes to force the car back Means the side of the car. The second link member 1 2 2 of the reaction force transmitting means 2 6 C is rotatably coupled to the fixed pivot plate 15 along with the first and second link members. The connection point of 1 21, 1 2 2, that is, the position of the joint pin 1 27, the amount of change in the backlash of the linkage brake system becomes large. To reduce the variation of the backlash amount, the connection pin 1 2 7 can be disposed at the center of FIG. The line L is on. Here, the connection point of the brake lever 2 3 C to the brake pedal 2 1 ' is E, and the first link member 1 2 1 is in the lower position state as shown by the solid line of the swing arm 17 R. The connection point of 1 2 3 is B, the center of the axle 16 is φ C, the connection point of the brake lever 2 3 C to the brake arm 1 2 0 is D, and the swing arm 1 7 R is at the upper position as indicated by the chain line. In the state, the connection point of the first link member 1 2 1 to the brake panel 1 2 3 is B ', the center of the axle 16 is C ', and the connection point of the brake lever 2 3 C to the brake arm 1 29 is D 'When the brake panel 123 is configured so that Z BCD = Z B 'C'D' = α, the brake arm 120 is in a non-actuated state, ED = Ε ' D ', and the brake lever 2 3 C is also in a non-actuated state. By arranging the center of the joint pin 1 27 on the straight line L of the set of the vertices A of the second equilateral triangle whose BB ' of AB = A ' Β ' is BB, the backlash change of the interlock brake system can be reduced.

According to the third embodiment, the same effects as those of the first and second embodiments described above can be obtained, and the braking force suppression means 2 8 C can be provided on the brake pedal 2 1 ' and the compression linkage brake cable 2 7 C. In the meantime, the peripheral structure of the rear wheel brake BRC is simplified, and since the second link member 1 2 2 of the reaction force transmitting means 2 6 C is rotatably supported by the pivot plate 15 of the vehicle body F, the swing arm can be lightened. 1 7 R The weight under the spring. 13 and FIG. 14 are views showing a fourth embodiment of the present invention, and FIG. 13 is a side view showing the structure of the interlocking device, and FIG. 14 is a description of the 1 4 29 312XP/invention specification (repair) of FIG. )/94-11/94116689

1267462 Zoom in on the arrow. The front wheel BFB is a three-cylinder hydraulic cylinder 1 4 1 , 1 4 2, 1 4 3, which is arranged in parallel with the brake caliper 1 4 4, and is guided by the operation of the brake lever 24 belonging to the first brake. The rolling brake hose 1 4 5 outputted by the front wheel master cylinder MF is connected to the brake caliper 14 4 , and the brake hydraulic pressure guided by the brake 1 4 5 acts on the hydraulic cylinder 1 4 1~1 4 3 middle hydraulic cylinder 1 4 1 , 1 4 3 . The brake pedal 2 1 π belonging to the first brake member is movably coupled to the pivot plate 15 of the vehicle body F through the support shaft 1 2 5 , Φ, and the return spring 22 is contracted between the pivot plate 15 and the brake pedal. In order to brake the rear wheel brake BRC belonging to the drum car by the stepping operation of the brake pedal 2 1 π, the brake pedal 2 1 π transmits the brake lever 2 3 C of the first wheel brake braking force transmission system, and the coupling wheel The brake arm 120 of the brake BRC is used to pull the brake lever 2 3 C by the pedaling operation of the brake pedal, and the brake arm 1 2 0 rotates in the reverse direction of FIG. 13 , whereby the rear brake BRC performs the brake operation. . The first and second master cylinders M1 and M2 having the cylinder axes vertically extending from the pivot plate 15 are provided, and the first master cylinder M1 is slidably fitted to the first main movable body so as to be supported by the upper main body. The first cylinder bore 147 of the cylinder of the pivot plate 15 is formed. The first main piston 148 is slidably disposed in the first cylinder bore 147 at the upper end belonging to the front end thereof and facing the first hydraulic chamber 148 formed between the first piston 148 and the cylinder 146. 1 The direction in which the main piston 148 retreats, and the spring that urges the volume of the first hydraulic chamber 194 to increase. 152 XP/Invention Manual (Supplement)/94-11 Outline 116689 Having a component oil hose Two can be turned 2, the 丨 type 煞 belongs to the rear 21M clock configuration 148 146 1 main fitting is also included in 30 1267462 first hydraulic chamber 1 4 9 . The front end of the upper and lower extending input rods 151 is swingably connected to the rear end (ie, the lower end) of the first main piston 148, and between the intermediate portion of the input rod 151 and the cylinder 146 A bushing 1 52 that covers the lower end opening of the first cylinder hole 147 is provided. On the other hand, the U-shaped hook 153 connected to the lower end of the input rod 151 is connected to the input arm 1 54 provided on the brake pedal 2 1 π through the connecting pin 155, and is operated to cause the rear wheel brake BRC to brake. When the brake pedal 2 1 π, the first main piston 148 reduces the volume of the first hydraulic chamber 149 and moves upward. The second master cylinder M2 is slidably fitted to the second cylinder bore 157 which is provided in the cylinder bore 146 in parallel with the first cylinder bore 147. The second main piston 158 faces the second hydraulic chamber 159 formed between the second main piston 158 and the cylinder 146 with the upper end belonging to the front end thereof, and is slidably fitted to the second cylinder hole 157 to make the second main In the direction in which the piston 158 is retracted, the spring 160 that is urged in the direction in which the volume of the first hydraulic chamber 159 is increased is accommodated in the second hydraulic chamber 159.

Further, an oil passage 161 that allows the first and second hydraulic chambers 149 and 159 to communicate with each other is provided in the upper portion of the cylinder 146, and the oil passage 161 is connected to the brake hose 162 of the cylinder 146. One end is connected to the brake caliper 1 4 4 of the front wheel BF 煞, and the hydraulic pressure guided by the brake hose 162 is applied to the central portion of the three hydraulic cylinders 1 4 1 to 1 4 3 of the brake caliper 1 4 4 Hydraulic cylinder 1 4 2. Further, the fuel tank 163 is attached to a portion (not shown) of the frame F, and the hose 164 connected to the tank 163 is connected to the connecting pipe 165 which is fitted and fixed to the cylinder 146. Further, in the cylinder 146, only the second main piston 158 is in the retracted state as shown in FIG. 14 31 312 ΧΡ / invention specification (supplement) / 94-11/94116689 1267462, and the second hydraulic chamber 丨 59 is connected to the connection. The main hole 166 on the 1 side is retracted when the second main piston 158 is retracted, and the hydraulic autonomous hole 166 of the second hydraulic pressure is discharged through the connecting pipe 615 and the hose 丨6 4 to the oil filial side. Further, in the cylinder 146, the auxiliary hole ι 67 in the connecting pipe 165 is provided in a position other than the main hole 166, and when the hydraulic pressure of the second hydraulic chamber 1 is lowered, the second hydraulic chamber is moved from the auxiliary hole 丨6 to the second hydraulic chamber.前端5 9 The front end of the input rod 1 6 8 which is extended up and down the brake rail is swingably connected to the rear end of the first piston 158 (ie, the lower end), and the cylinder 1 of the input rod 丨6 8 4 6 ά 覆盖 覆盖 覆盖 覆盖 覆盖 覆盖 覆盖 第 第 7 7 7 7 7 7 7 7 7 7 第 第 第 第 第 第 第 第 第 间 第 间 间 间 间 间 间 间 间 间 间 间 间 间 间 间 间 间 间 间 间 间 间 间The reaction force transmitting means 26D that can act on the braking force of the rear wheel 煞^ or more in the forward direction is provided to the reaction force transmitting means 26D of the first piston 158. The reaction force transmitting hand I 26D is extended by the first connecting member 121 And the approximate L word "connected to the first link structure #121"

The link member 170 is configured.篦]i 々4々L 弟1逯#The end of the member 1 2 1 is connected to the rear wheel brake brc by the connection 1 2 4 and the second frame of the brake panel 123 provided by The middle n4 of the member 1 7 (the dry portion of the U through the support pin 1 7 1 can be pivotally supported by the lower rear of the second main red 2), the lower plate 1 5, by the first member 1 2 1 traction, the 2nd dirt car pinch m μ piece 1 70 rotates counterclockwise in Fig. 14. The s ^ Λ of the first link member 1 21 and the other pass through the joint pin 1 7 2 in the 2nd connection One end of the rod member 170. 312XP/Invention Manual (Supplement)/94-11/94116689 r 1 65 r 159 i 163 Oil of constant 5 9 2 Main bushing cylinder M2 BRC 2 Main rod b 2 Jacking section. Dynamic link direction connection 32

1267462 The other end portion of the second link member 170 is connected to the lower end portion of the input rod 168 connected to the second main piston 158 via the connecting pin 173, by using the first link member In the traction of 1 21, the second link member 170 rotates in the counterclockwise direction of the figure, and the second master piston 158 advances to reduce the volume of the two hydraulic chambers 159. Further, the second link member 170 is integrally provided with a wrist portion 170a extending in the radial direction from the rotation axis thereof, and the spring plate 174 is formed on the pivot plate 15 from the front opposite to the wrist portion 170a. . Further, a spring 157 that urges the second link structure 170 in the clockwise direction of Fig. 14 is contracted between the wrist portion 170a and the spring seat 174. Further, a stopper 176 that restricts the movement of the second link member 170 to the clockwise direction under the elastic force exerted by the spring 1 is protruded from the pivot plate 15. According to the fourth embodiment, if the reaction force generated by the rear wheel brake BRC of the brake pedal 2 1 π is above the predetermined value determined by the spring force of the spring 175, the brake is obtained from the rear wheel brake BRC. The reaction is transmitted to the second main plug 158 of the second master cylinder M2 through the reaction force transmitting means 26D, and the second master cylinder M2 releases the release state of the two hydraulic chambers 159 by the advancement of the second master piston 158. As a result, hydraulic pressure corresponding to the reaction force transmitted from the reaction force transmitting means 26D occurs in the first and second pressure chambers 149, 159 which are communicated with each other, whereby the hydraulic pressure acts on the front wheel brake BFB, and the front brake BFB performs the brake operation. Further, the first main piston 14 of the first master cylinder Μ1 pushes the brake pedal 2 to the side where the operating force is weakened by the hydraulic pressure corresponding to the reaction force transmitted by the reaction force transmitting means 2 6 D, even if the front wheel brakes BFB's braking force 312ΧΡ/invention description _ patching)/94-11 /94116689 and profit 14 the first half of this piece 75 is used as the wheel for the force of the first liquid 1" increase 33 1267462 large side operation brake pedal 2 1 n The increase in the braking force of the rear wheel brake BRC is still suppressed at a fixed ratio. In other words, the rear wheel brake BRC and the front wheel brake BFB can be properly operated while maintaining the balance of the braking force. The embodiments of the present invention have been described above, but the present invention is not limited to the above embodiments, and various design changes can be made without departing from the invention as set forth in the claims. [Simple description of the map]

Fig. 1 is a simplified side view of a two-wheeled vehicle for showing the structure of the brake device of the first embodiment. Fig. 2 is an enlarged view of the arrow portion of Fig. 1; Figure 3 is a cross-sectional view taken along line 3 - 3 of Figure 2. Figure 4 is a perspective view of a portion shown in Figure 2. Fig. 5 is an enlarged view of an important part of Fig. 1 showing a non-actuated state of the rear wheel brake. Fig. 6 is a view corresponding to Fig. 5 for showing the state of operation of the rim brake shortly before the interlocking state. Fig. 7 is an enlarged view of the arrow portion of Fig. 1. Figure 8 is a diagram showing the change in braking force with respect to the brake pedal input. Fig. 9 is a side elevational view showing an important part of the interlocking brake device of the second embodiment. Fig. 10 is a side view showing an important part of the interlocking brake device of the third embodiment. Fig. 1 is an enlarged view of the 11 arrow portion of Fig. 10. 34 312XP/Invention Manual (Supplement)/94-11/94116689 1267462 Fig. 1 2 is a diagram for explaining the position setting of the connection point of the first and second link members. Fig. 13 is a side elevational view showing the configuration of the interlocking brake device of the fourth embodiment. Fig. 1 is an enlarged view of the 14 arrow portion of Fig. 13. [Main component symbol description] 2, 7 arrow 15 pivot plate # 1 6 axle 1 7 L, 1 7 R, 1 7 R' swing arm 18 head tube 19 front fork 2 0 steering handle 2 1 , 2 1 ', 2 1 π brake pedal (1st brake operating member) 22 Return springs 23Α, 23Β Rear wheel brake brake cable (1st wheel brake brake force transmission system)

2 3 C 煞 煞 ( 第 第 第 第 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 第 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 Α Α Α Α Α Α Α Α Α Α Α Α 前 Α Α Α 2 7 C linkage with brake cable (linkage transmission force transmission system) 2 8 A, 2 8 B, 2 8 C 煞 vehicle force suppression means 31 hub 31a inner cylinder portion 35 312XP / invention manual (supplement) / 94-11 / 94116689 1267462 31b outer tube portion 3 1c connecting wall portion 32 rim 33 > 33 "· spokes 34 tire 35 spacer ring 36 > 37 ball bearing 3 8"·locking recess 39 driven flange collar 40 left Collar 41 Follower flange bearing 42 Follower flange 42a Engagement projection 43 Driven key wheel 44 Drive key 4 5"·Vibration rubber 46, 96 Car plate 46a Cylinder 46b Wrist 46c Cable support 47"· Support shaft 4 8". Block 49 Car camshaft 50 Brake arm 312XP/Invention manual (supplement)/94-11 /94 116689 36 1267462

53 through hole 53a annular step portion 54 panel holder 55 recess 56 protrusion 57 right collar 58 outer bushing 58a · • · flange 59 spring holder 60 spring 61 arrow 62 outer cable 63 inner cable 64 bracket 65 Cable cover 66 Cable end screw 6 6a, 66b Locking flange portion 67 Connecting shaft 68 Nut 69 Torsion spring 70 Bushing 7 Bu 99 ^ 121 1st link member Ί 2, 100^ 122 2nd link member 73 Link Lock 312XP / invention manual (supplement) /94-11 /94116689 37 1267462

74 Support pin 75 Connecting pin 76 Connecting shaft 107, 107' 108 Outer cable 78 Inner cable 79 Cable cover 80 Cable end screw 81 Bushing 82 Spring 85 ^ 118 Equalizing beam arm 85a Engagement plate 86 Connecting shaft 87 Nut 88 ^ 89 Outer cable 90 inner cable 91 arm 92 support bracket 9 2a support portion 92b support portion 92c stopper 93 # V*\ car panel 94 bell crank 94a support portion 95 support shaft 312XP / invention manual (supplement) / 94-11 /94116689 38 1267462

96 car panel 96a support 97 cable end screw 98 arm 10 0a wrist 10 1 joint pin 102 support pin 1 03 joint pin 104 spring support member 1 05 spring 1 06 stop 107, 108 outer cable 1 09 inner cable 110 Supporting parts 111, 112 Cable cover 113 Bushing 114 Cable cover 115 Cable end 116 Pin 119 Connecting pin 1 20 Arm 122a, 128 Spring support 1 22b Support 123 Car panel 312XP / Invention manual (supplement) / 94 -11/94116689 39 1267462

124 Connecting pin 125 Support shaft 126 Support pin 1 27 Connecting pin 129 Spring 130 Stopper 131 Outer cable 141, 142, 143 Hydraulic cylinder 144 Sensitive,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 1st main 149 1st liquid 150 Spring 151 Input rod 152 Bushing 153 U-shaped hook 154 Inlet arm 155 Connecting pin 157 2nd cylinder 158 2nd main 159 2nd liquid 160 Spring clamp hole Piston pressure chamber hole Piston pressure chamber 312XP /Invention Manual (Repair)/94-11/94116689 40 1267462 16 1 1 62 163 164 1 65 1 66 1 67 1 68 101 69 1 70 170a 171 172' 173 174 175 176

BFA, BFB BRA, BRB ' BRC F Ml M2 WF WR oil circuit brake hose tank hose connection pipe main hole auxiliary hole input rod bushing 2nd link member wrist support pin coupling pin spring bearing spring stopper front wheel Brake (2nd wheel brake) Rear wheel brake (1st wheel brake) Frame 1st master cylinder 2nd master cylinder Front wheel Rear wheel 312XP / Invention manual (supplement) /94-11 /94116689 41

Claims (1)

1267462 X. Patent application scope: 1 . A linkage braking device for a vehicle, which is responsive to operation of a first brake operating member (2b 2 1 ') for braking a first wheel brake (BRA, BRB, BRC) to cause a second wheel brake (BF A ) A brake actuator is provided with a reaction force transmission means (2 6 A, 2 6 B, and 2 6 C) that reacts to a brake of a predetermined value or more of the first wheel brake (BRA to BRC). The force is transmitted to the second wheel brake (BFA) side on the increased vehicle power side; and the braking force suppression means (2 8 A, 2 8 B, 2 8 C ) is provided corresponding to the reaction force transmission means (26A) ～26C) The force transmitted to the second wheel brake (BFA) side of the brake reaction force acts on the first wheel brake (BRA~BRC) on the braking force weakening side. 2. The linkage of the vehicle in the first application of the patent scope In the brake device, the brake force suppressing means (2 8 A, 2 8 B) is provided to transmit the braking operation force of the first brake operating member (2 1 ), and to connect the first brake operating member (21) and The first wheel brake for the first wheel brake (BRA, BRB) The end of the first wheel brake (BRA, BRB) side of the delivery system (2 3 A, 2 3 B ), and the linkage force transmission system (2 7 A, 2 7 B) connected to the second wheel brake (BFA) )between. 3. The joint brake device for a vehicle of the first application of the patent scope, wherein the braking force suppression means (2 8 C) is provided in the first brake operating member (2 factory) and connected to the second wheel brake (BF A) The linkage between the 煞 vehicle power transmission system (2 7 C). 4. For the linkage brake device of the vehicle of claim 2, wherein the first wheel brake (BRA, BRB) is provided in response to the brake action 42 312XP / invention manual (supplement) / 9^11/94116689 1267462 The drum brake of the brake panel (4 6 , 9 6 ) that rotates by the reaction force, and the braking force suppression means (2 8 A, 2 8 B) is the first wheel brake braking force transmission system (2 3 A, 2 3 B ) and the linkage 煞 vehicle transmission system (2 7 A, 2 7 B ) are connected to the equalizing beam arms (85, 1 18), and the equalizing beam arms (8 5, 1 18) are It can be rotatably supported on an axis parallel to the rotational axis of the above-described brake panel (46, 96). 5. The linkage braking device for a vehicle according to claim 2, wherein the linkage braking force transmission system (2 7 A~2 7 C) is made by the inner cable (7 8 , 1 0 9 , 1 3 2 ) a brake cable formed by being movably inserted into the outer cable (7 7 , 1 0 8 , 1 3 1 ), and the reaction force transmitting means (26A to 2 6 C) compressing the above-mentioned reaction force transmission Outer cable (77, 108, 131) and connected to the linkage 煞 car transmission system (2 7 A~2 7 C). The linkage braking device for a vehicle according to any one of claims 1 to 5, wherein the reaction force transmitting means (26A to 26C) are provided with: a first link member (7 1 , 9 9 , 1 ) 2 1 ), which is pulled in response to a reaction force of a first wheel brake (BRA to BRC) that is greater than or equal to a predetermined value; and a second link member (7 2, 1 0 0, 1 2 2 ) that responds to the first connection The rod member (7 1 , 9 9 , 1 2 1 ) is rotatably actuated and coupled to the first link member (7 1 , 99 , 121 ). 7. The vehicle is linked to the vehicle as claimed in claim 6 In the device, the first wheel brake (BRA) is attached to the rear wheel (WR) of the frame (F) so as to be swingably supported by the swing arm (17R), and is provided with a reaction force in response to the brake action. The drum brake of the rotating brake panel (4 6 ), the second link member (72) is supported by the swing arm 43 312XP/invention specification (supplement)/94-l 1/94116689 1267462 ( 1 7 R ) and rotatably supported by the panel holder (5 4 ) supporting the brake panel (46). 8. The interlocking brake device for a vehicle according to claim 6, wherein the first wheel brake (BRB) is attached to the frame (F) after being swingably supported by the swing arm (17R) In the wheel (WR), the second link member (100) is rotatably supported by the swing arm (17R). 9. The interlocking brake device for a vehicle according to claim 6, wherein the first wheel brake (BRC) is attached to the frame (F) by being oscillatably supported by the swing arm (17R) Φ. The rear wheel (WR), the second link member (1 2 2 ) is rotatably supported by the frame (F). The vehicle linkage brake device of claim 9, wherein the first wheel brake (BRC) is attached to the frame (F) after being swingably supported by the swing arm (17R) a wheel (WR) and a drum brake having a brake panel (1 2 3 ) that rotates in response to the occurrence of a reaction force when the brake is actuated; and is rotatably supported as the first brake operating member The first wheel brake braking force transmission system (2 3 C ) of the brake pedal (1 2 0 ) of the first wheel brake (BRC) is transmitted to the brake pedal (2) of the frame (F). The connection point of the brake pedal (2 factory) is E, and the connection point of the first link member (12 1) to the brake panel (1 2 3 ) is B when the swing arm (1 7 R ) is in the lower position. The center of the rear wheel (WR) axle (16) is C, and the connection point of the first wheel brake braking force transmission system (2 3 C) to the braking arm (1 2 0 ) is D, and the swing arm is (1 7 R ) In the upper position, the connection point of the first link member (1 2 1 ) to the brake panel (1 2 3 ) is B ', and the axle (16) of the axle (16) is 44 312XP/invention specification ( Supplement) /94] 1/94116689 1267462 The center is C ', when the connection point of the above-mentioned first wheel brake braking force transmission system (2 3 C 1 When the wheel brake brake transmission system (2 3 C) and the brake arm (1 2 0 ) are in the non-actuated state, the connection meets ZBCD = ZB ' C ' D ' and The line connecting the points B and B' in the state of ED = E ' D ' is the straight line (L ) of the set of the vertices of the equilateral triangle of the bottom side, and the first link member (121) is determined for the second link. The joint point of the rod member (1 2 2 ). 1 1 . The linkage braking device for a vehicle according to claim 5, wherein the linkage braking force transmission system (2 7 A to 2 7 C) is connected to the second braking operation through a double-arm crank (9 4 ) In the middle of the front wheel brake cable (2 5 ) between the member (2 4 ) and the second wheel brake (BFA). A linkage braking device for a vehicle is configured to cause a second wheel brake (BFB) to brake in response to an operation of a first brake operating member (2 1π ) for braking a first wheel brake (BRC) The first master cylinder (Μ1) is configured to move forward in response to the operation of the first brake operating member (2 1 '·) to connect the first brake operating member (2 1 π ) to the first The front end of the main piston (1 4 8 ) faces the first hydraulic chamber (1 419 ) connected to the second wheel brake (BF Β ); the second master cylinder (Μ 2 ), which constantly passes through the first hydraulic chamber ( 1 4 9) The second main piston (158) facing the second hydraulic chamber (159) at the front end releases the hydraulic pressure of the second hydraulic chamber (159) when it retreats, and is slidably engaged with the cylinder ( And a reaction force transmitting means (26D) for causing a braking reaction force equal to or greater than a predetermined value of the first wheel brake (BRC) to act on the forward direction of the second master piston (158) . 45 312ΧΡ/invention manual (supplement)/94-11/94116689