TW201507918A - Brake device for handlebar vehicle - Google Patents

Abstract

Provided is a brake device that is for a handlebar vehicle and that can favorably adjust an ineffective stroke that is from the start of an operation of a first brake controller until a piston is pressed via a knocker, wherein a knocker pressing surface (42i) that presses the knocker (43) is formed at a second rotating lever (42), a receiving surface (43f) that is pressed by the knocker pressing surface (42i) is formed at the knocker (43), an adjustment bolt (32) that protrudes towards an adjustment bolt contact surface (43e) of the knocker (43) is mounted to an adjustment bolt attachment section (41c) of a first rotation lever (41), and the amount of protrusion of the adjustment bolt (32) is adjusted, thereby adjusting the ineffective stroke from the start of an operation of a front wheel brake controller (4) until the piston (22) is pressed by the knocker (43).

Description

Rod type handle vehicle brake device

The present invention relates to a brake device for a lever type vehicle. More specifically, the lever type vehicle brake device is configured such that at least one of a front wheel brake and a rear wheel brake is a hydraulic brake, and hydraulic brake is applied via a master cylinder unit by operation of a first brake operating device. The action wherein the master cylinder unit is formed by combining a hydraulic master cylinder with a lever mechanism.

It is conventionally known that at least one of the front wheel brake and the rear wheel brake is a hydraulic brake, and the hydraulic brake is actuated by the master cylinder unit formed by combining the hydraulic master cylinder and the lever mechanism by the operation of the first brake operating device. The constituents. The master cylinder unit is provided with a combination of a master cylinder and a lever mechanism, and the lever mechanism includes four levers of a first rotating lever, a second rotating lever, a taper, and an equalizer lever, and a first rotating lever and a tapper that are rotated by the operation of the brake operating device to operate a hydraulic brake, using an equalizer lever, a second rotating lever and a tapper that are rotated by the action of the second brake operating device The brakes of both the sides are interlocked (for example, refer to Patent Document 1).

[Previous Technical Literature] [Patent Literature]

Patent Document 1: Japanese Patent No. 4532753

In the lever type vehicle brake device including the master cylinder unit of Patent Document 1, in order to prevent the hydraulic master cylinder from being operated due to the tension of the brake wire generated by the left and right steering of the handle, it is necessary to The invalid stroke of the cylinder is adjusted to an appropriate length. The adjustment of the invalid stroke is usually adjusted by the adjusting bolt provided on the outer casing of the brake wire. However, when adjusting, the bending of the brake wire is not easy to feel the torque change when the striker contacts the piston, and there is adjustment. The situation is difficult.

Accordingly, an object of the present invention is to provide a lever type vehicle vehicle brake device which can well adjust an ineffective stroke from the start of the operation of the brake operating device to the pressing of the striker and the movement of the piston.

In order to achieve the above object, a lever type vehicle brake device according to the present invention is configured such that at least one of a front wheel brake and a rear wheel brake is a hydraulic brake, and is operated by a first brake operating device via a combined hydraulic master. The master cylinder unit formed by the cylinder and the lever mechanism operates the hydraulic brake, and the lever mechanism includes at least a first rotating lever and a striker, and is connected to the first brake of the first brake operating device. The connection means is coupled to the first rotating lever, and the piston of the hydraulic master cylinder is actuated by the tapper pressed and moved by the first rotating lever by the operation of the first brake operating device Further, the hydraulic brake is actuated, wherein the first rotating lever is formed with a taper pressing surface that presses and moves the tapper, and the knocker is formed with the knocking a bearing surface pressed and moved by the pressing surface of the striker, and the pressing surface of the tapper Either one of the adjusting bolts protruding toward the other side is attached, and by adjusting the amount of protrusion of the adjusting bolt, the ineffective stroke from the start of the operation of the first brake operating device to the pressing of the tapper and the movement of the piston is performed. Make adjustments.

Further, one of the front wheel brake and the rear wheel brake is the hydraulic brake, and the other is a mechanical brake, and the lever mechanism includes the first rotating lever and the second rotating lever. a striker and an equalizer lever, and the second brake coupling means connected to the second brake operating device, the mechanical brake connecting means connected to the mechanical brake, and the second rotating lever are coupled to the above The equalizer lever causes the hydraulic brake to be individually operated by the operation of the first brake operating device, and the mechanical brake connection is pulled through the equalizer lever by the operation of the second brake operating device And causing the mechanical brake to operate, and the equalizer lever rotates the second rotating lever, and the piston of the hydraulic master cylinder is actuated via the tapper pressed and moved by the second rotating lever. Further, it is preferable that the hydraulic brake is interlocked and operated. Further, it is preferable that the master cylinder unit is disposed in the casing of the lever type vehicle. Further, it is preferable to provide the above-described hydraulic brake to the front wheel and the mechanical brake to the rear wheel.

According to the lever type handlebar brake device of the present invention, it is not affected by the brake coupling means (brake line), and can be easily and surely pressed from the start of the operation of the first brake operating device to the pressing via the tapper and moving the piston The invalid itinerary is adjusted.

Further, one of the front brakes and the rear brakes is set as the hydraulic brake, and the other is a mechanical brake, and the operation of the first brake operating device is performed. The hydraulic brake is separately operated by the master cylinder unit, and the hydraulic brake is interlocked with the mechanical brake via the master cylinder unit by the operation of the second brake operating device, and the lever mechanism includes a first rotating lever and a second rotating lever. a tapper and an equalizer lever, and the hydraulic brake is operated by the operation of the first brake operating device, and the second brake connection means connected to the second brake operating device and the mechanical brake connected to the mechanical brake The connecting means and the second rotating lever are coupled to the equalizer lever, and by the operation of the second brake operating device, the mechanical brake connecting means is pulled via the equalizer lever to actuate the mechanical brake and utilize the equalization The lever rotates the second rotating lever, and the tapper that is pressed and moved by the second rotating lever moves the piston of the hydraulic master cylinder, thereby causing the hydraulic brake to interlock, thereby even in the interlocking brake device, It is also unaffected by the brake line, and can be easily and surely invalidated from the start of the operation of the first brake operating device to the pressing of the tapper and the movement of the piston. Cheng adjust. Further, by arranging the master cylinder unit in the casing of the vehicle, there is no possibility that the setting of the interlocking state is changed by the user. Further, by providing the hydraulic brake to the front wheel and the mechanical brake to the rear wheel, the brake line and the hydraulic piping can be made good.

1‧‧‧Rolling handlebar brakes for vehicles

2‧‧‧ Front wheel brakes

2a‧‧‧Disc rotor

2b‧‧‧ caliper body

3‧‧‧ Rear wheel brakes

3a‧‧‧ Backplane

3b‧‧‧ brake pads

3c‧‧‧ anchor

4‧‧‧ Front wheel brake operating device

4a‧‧‧Operation lever

5‧‧‧ Rear wheel brake operating device

5a‧‧‧Operation lever

6‧‧‧Handlebar

7‧‧‧1st brake line

8‧‧‧Hydraulic piping

9‧‧‧2nd brake line

10‧‧‧ Rear wheel brake line

20‧‧‧Master cylinder unit

21‧‧‧Hydraulic master cylinder

21a‧‧‧Cylinder

21b‧‧‧ cylinder bore

21c‧‧‧The Great Trails Department

21d‧‧‧Outlet

21e‧‧‧Protruding

21f‧‧‧Seal hole

21g‧‧‧1st line guide

21h‧‧‧2nd line guide

21i‧‧‧Bolt hole

21j‧‧‧Clocks

21k, 21m‧‧‧ lever retainer

21n‧‧‧through hole

21p‧‧‧ female threaded hole

21q‧‧‧seat

21r‧‧‧2nd rotating lever abutment surface

21s‧‧‧ Rear wheel brake line guide

22‧‧‧Piston

22a‧‧‧Flange

23‧‧‧ hydraulic room

24‧‧‧Return spring

25‧‧‧ buckle

26‧‧‧Liquid tube

27‧‧‧ storage cylinder

28‧‧‧Delayed spring

28a‧‧‧Installation Department

28b‧‧‧Reel Department

28c‧‧‧ Straight line

29‧‧‧fixed pin

29a‧‧‧ nut components

30‧‧‧stop bolts

30a‧‧‧ male thread

30b‧‧‧Axis

30c‧‧‧Seat

30d‧‧‧ head

30e‧‧‧ nut components

31‧‧‧Links

31a‧‧‧stop ring

32‧‧‧Adjustment bolts

32a‧‧‧ nut components

40‧‧‧Leverage mechanism

41‧‧‧1st rotating lever

41a‧‧‧1st rotating base

41b‧‧‧ inserted through hole

41c‧‧‧Adjustment bolt mounting

41d‧‧‧ female thread

41e‧‧‧1st brake line connection

41f‧‧‧ Abutment

42‧‧‧2nd rotating lever

42a‧‧‧2nd rotating base

42b‧‧‧ link arm

42c‧‧‧ inserted through hole

42d‧‧‧arm

42e‧‧‧ inserted through hole

42f‧‧‧挟片

42g‧‧‧Connector

42h‧‧‧Cylinder abutment

42i‧‧‧Pusher pressing surface

42j‧‧‧挟片

42k‧‧‧ snap protrusion

43‧‧‧Patter

43a‧‧‧3rd rotating base

43b‧‧‧ inserted through hole

43c‧‧‧Piston Pressure Department

43d‧‧‧Piston Abutment

43e‧‧‧Adjustment bolt abutment

43f‧‧‧

43g‧‧‧Adjustment Bolt Installation Department

43h‧‧‧ female thread

44‧‧‧Equalizer lever

44a‧‧‧2nd rotating lever joint

44b‧‧‧ Rear wheel brake line connection

44c‧‧‧2nd brake line connection

44d‧‧‧ inserted through hole

50‧‧‧ rod handle vehicle

51‧‧‧ car shell

CL1‧‧‧Cylinder shaft

Fig. 1 is a schematic view showing a brake device for a lever type vehicle according to a first aspect of the present invention.

Fig. 2 is also a partial cross-sectional front view of the master cylinder unit viewed from the driver's side.

Figure 3 is also a left side view of the main cylinder unit.

Figure 4 is also a right side view of the main cylinder unit.

Figure 5 is also a rear view of the main cylinder unit.

Figure 6 is a cross-sectional view taken along line VI-VI of Figure 4.

Figure 7 is a cross-sectional view taken along line VII-VII of Figure 2 .

Fig. 8 is a perspective view showing a master cylinder unit according to a first embodiment of the present invention.

Figure 9 is also a perspective view of the main cylinder unit.

Fig. 10 is also an exploded perspective view of the main cylinder unit.

Fig. 11 is also a partial cross-sectional front view of the vehicle in which the master cylinder unit is mounted.

FIG. 12 is an explanatory view of the master cylinder unit in a state in which only the hydraulic brake is operated only by operating the first operation lever.

FIG. 13 is an explanatory view of the master cylinder unit in the case where only the second operation lever is operated to be in the interlocking state.

FIG. 14 is an explanatory view of the master cylinder unit in a state in which the operation of the hydraulic brake is restricted only by operating the second operation lever.

FIG. 15 is an explanatory view of the front direction of the master cylinder unit in a state in which only the second operation lever is operated and only the mechanical brake is operated.

FIG. 16 is an explanatory view of the back surface direction of the master cylinder unit in which only the mechanical brake is operated only by operating the second operation lever.

Fig. 17 is also an explanatory view of the master cylinder unit when the operating levers of both sides are operated.

Fig. 18 is a partial cross-sectional front view showing a master cylinder unit according to a second embodiment of the present invention.

1 to 17 show a first embodiment of the present invention. As shown in Figs. 1 and 2, the lever type vehicle brake device 1 of the present embodiment includes a front wheel brake 2 and a rear wheel brake 3; Brake operating device 4 (the first brake operation of the present invention And the rear wheel brake operating device 5 (the second brake operating device of the present invention), and between the front wheel brake 2, the front wheel brake operating device 4, the rear wheel brake 3, and the rear wheel brake operating device 5 A master cylinder unit 20 is interposed.

In the following description of the master cylinder unit, the left and right sides are viewed from the driver's side as shown in FIG. 1, with respect to the left and right sides of the front view, and the side of the rear wheel brake operating device 5 is left. The front side brake operating device 4 side is described as the right side. In addition, the description of the clockwise rotation and the counterclockwise rotation is also described with respect to the direction of the front view.

The front wheel brake 2 uses a hydraulic disc brake which is formed by assembling a caliper body 2b including a piston to a disk rotor 2a that rotates integrally with the front wheel. The rear wheel brake 3 uses a mechanical drum brake which is disposed on the back plate 3a so as to be expandably oppositely disposed with a pair of brake pads 3b, 3b, and with an anchor pin 3c as a fulcrum to make two The brake pads 3b, 3b are opened.

The front wheel brake operating device 4 operates the operation lever 4a attached to the handlebar 6, and pulls the first brake wire 7 to operate the hydraulic master cylinder 21 of the master cylinder unit 20, and supplies the hydraulic pressure via the hydraulic pipe 8. The front wheel brake 2 is used to make the front wheel brake 2 act alone.

The rear wheel brake operating device 5 pulls the second brake wire 9 (the second brake coupling means of the present invention) by operating the operation lever 5a attached to the handlebar 6, and pairs the rear wheel via the master cylinder unit 20 After the brake 3 is actuated, the wheel brake wire 10 (the mechanical brake connecting means of the present invention) is pulled to operate the rear wheel brake 3, and the hydraulic master cylinder 21 of the master cylinder unit 20 is operated, and the hydraulic pressure is applied via the hydraulic pipe 8. It is supplied to the front brake 2, and the front brake 2 is interlocked.

The master cylinder unit 20 is configured to supply hydraulic pressure to the front wheel brake 2 The master cylinder 21 and the lever mechanism 40 are combined, and the lever mechanism 40 includes a first rotating lever 41, a second rotating lever 42, a striker 43, and an equalizer lever 44. Further, as shown in FIG. 11, the master cylinder unit 20 is disposed in the casing 51 of the lever type vehicle 50.

The hydraulic master cylinder 21 is provided with a bottom cylinder bore 21b having a lower end opening in the cylinder block 21a. A piston 22 is movably inserted into the cylinder bore 21b, and a hydraulic chamber is defined between the upper wall portion of the cylinder block 21a and the piston 22. twenty three. The hydraulic chamber 23 is internally provided with a return spring 24, and the elastic force of the return spring 24 always imparts potential energy to the opening side of the cylinder bore 21b by the piston 22. Further, the cylinder bore 21b has a large-diameter portion 21c formed on the lower end side thereof, and is abutted against the flange portion 22a formed in the axially intermediate portion of the piston 22 by the buckle 25 fitted to the large-diameter portion 21c. The rear limit of the piston 22 is restricted so that the lower end side of the piston 22 is protruded downward from the lower end opening of the cylinder 21a.

An output port 21d that communicates with the hydraulic chamber 23 is provided in the upper wall of the cylinder 21a, and the hydraulic pipe 8 is coupled to the output port 21d to connect the hydraulic chamber 23 with the front wheel brake 2. a protrusion 21e is provided on the upper surface of the peripheral wall of the cylinder 21a in the cylinder axis direction, and a boss hole 21f communicating with the cylinder bore 21b is provided at a substantially central portion of the protrusion 21e, and the liquid pipe 26 is coupled thereto. The boss hole 21f is such that the cylinder bore 21b communicates with the cylinder 27. Further, on the cylinder bore opening side of the projection portion 21e, a first wire guide portion 21g for guiding the first brake wire 7 is provided to the right side (the front wheel brake operating device 4 side), and the projection portion 21e is provided on the projection portion 21e. In the center, a second wire guiding portion 21h that guides the second brake wire 9 is provided to protrude toward the back side (the front side of the vehicle body). Further, bolt holes 21i and 21i for mounting the vehicle body mounting bolts are formed in the direction orthogonal to the cylinder axis through the upper wall side and the cylinder hole opening side of the boss hole 21f.

Further, a retardation spring 28 is protruded from the front side of the upper wall side of the cylinder 21a. The card is 21j. Further, a pair of lever holders 21k and 21m are protruded from the back side and the front side in the vicinity of the cylinder hole opening portion of the cylinder 21a, and the lever holders 21k and 21m are formed coaxially with the fixing pin 29. The through hole 21n and the female screw hole 21p.

Further, on the cylinder bore opening side of the cylinder block 21a, the left side (the rear wheel brake operating device 5 side) is oriented to the left side (the rear wheel brake operating device 5 side) in an acute angle with respect to the cylinder axis CL1 (the L2 direction shown in FIG. 2). The retaining bolt mounting boss portion 21q is formed in a protruding manner, and the retaining bolt 30 is attached to the retaining bolt mounting boss portion 21q. Further, the stopper bolt is provided with a lower portion of the boss portion 21q, and is formed in a downward triangular shape in a front view, and is provided on the right inclined surface to abut against the second rotating lever 42 for setting the second rotating lever 42. The second rotating lever abutting surface 21r at the initial position. Moreover, the rear wheel brake wire guide portion 21s is protruded from the lower surface of the cylinder hole opening side of the cylinder 21a.

The stopper bolt 30 includes a shaft portion 30b including the male screw portion 30a and a head portion 30d having a seat surface 30c having a large diameter, and the male screw portion 30a is directed upward and the head portion 30d is directed downward. The boss portion 21q is screwed to the stopper bolt and fixed by the nut member 30e.

In the lever mechanism 40, the first rotating base portion 41a of the first rotating lever 41 is disposed on the front side between the lever holders 21k and 21m, and the second rotating base portion 42a of the second rotating lever 42 is disposed on the back side. The third rotating base portion 43a of the tapper 43 is disposed between the rotating base portion 41a and the second rotating base portion 42a, and the fixing pin 29 is inserted into the lever holders 21k and 21m, the first rotating base portion 41a, and the second rotating base portion 42a. The third rotating base portion 43a is fixed by the nut member 29a, and the first rotating lever 41, the second rotating lever 42, and the striker 43 are rotatably coupled to the lever holders 21k and 21m, and are provided in the second The connecting arm 42b of the right end portion of the rotating lever 42 is rotatably pivotally supported at the right end of the equalizer lever 44 via the connecting pin 31. The second rotating lever connecting portion 44a of the portion.

The first rotating lever 41 is provided with an adjusting bolt attaching portion 41c from the first rotating base portion 41a of the insertion hole 41b of the fixing pin 29, and the female screw member 41d of the adjusting bolt mounting portion 41c can be used with the nut member 32a. An adjustment bolt 32 that abuts against the striker 43 is attached to adjust the amount of protrusion. Further, a first brake wire connecting portion 41e that connects the end portion of the first brake wire 7 is provided on the front side of the adjusting bolt mounting portion 41c.

The second rotating lever 42 is formed in the center portion with the second rotating base portion 42a having the insertion hole 42c of the fixing pin 29. The second rotating base portion 42a is formed to protrude upward and has a substantially triangular shape in front view. The arm portion 42d extending in the left-right direction of the second rotating base portion 42a is provided on the back side of the rotating base portion 42a. The connecting arm 42b is provided on the right end side of the arm portion 42d, and the insertion hole 42e for connecting the pin 31 is formed in the connecting arm 42b, and one holding piece 42f for holding the above-mentioned stopper bolt 30 is formed on the left end side.

On the front surface of the left end portion of the second rotating base portion 42a, a substantially cubic joint portion 42g is protruded from the second rotating base portion 42a, and the second upper side surface of the joint portion 42g is formed with the second cylinder portion 21a. The cylinder abutting surface 42h against which the lever abutting surface 21r abuts is turned, and a taper pressing surface 42i that abuts against the tap 43 and presses and moves the taper 43 is formed on the lower right side surface. Further, on the left side of the joint portion 42g, another holding piece 42j is integrally protruded in parallel with the one holding piece 42f, and an engaging projection 42k of the retardation spring 28 is protruded from the front end side of the other holding piece 42j.

The retardation spring 28 is formed of a stretch coil spring including the attachment portions 28a and 28a provided at both end portions, the winding portion 28b provided above the intermediate portion, and the linear portion 28c provided below the intermediate portion.

The striker 43 is formed with a piston pressing portion 43c on the right side of the third rotating base portion 43a of the insertion hole 43b of the fixing pin 29. The piston pressing portion 43c is provided at the upper portion with a piston abutting portion 43d that always abuts against the lower end portion of the piston 22, and a lower surface of the piston pressing portion 43c is formed with an adjusting bolt that abuts against the adjusting bolt 32. Face 43e. Further, a receiving surface 43f that is pressed and moved by the hammer pressing surface 42i is formed below the third rotating base portion 43a.

The equalizer lever 44 is disposed on the back side of the cylinder 21a, and is formed with a brake wire connecting portion 44b for connecting the rear wheel brake wire 10 at one end, and a second connecting second brake wire 9 at the center portion. The brake wire connecting portion 44c is formed at the other end portion with the second rotating lever connecting portion 44a that is coupled to the connecting arm 42b of the second rotating lever 42. The second rotating lever connecting portion 44a is formed in a two-strand shape having the insertion hole 44d of the coupling pin 31, and the coupling pin 31 is inserted between the second rotating lever coupling portion 44a, and the coupling pin 31 is inserted into the insertion. The through holes 44d and 42f are fixed by the stopper ring 31a, and the second rotating lever connecting portion 44a is rotatably coupled to the connecting arm 42b.

The first rotating lever 41, the second rotating lever 42, and the striker 43 are rotatably coupled between the lever holders 21k and 21m, respectively, and the second rotating lever connecting portion of the equalizer lever 44 is connected via the connecting pin 31. 44a is connected to the connecting arm 42b of the second rotating lever 42, and is connected to the rear wheel brake wire connecting portion 44s via the rear wheel brake wire guiding portion 21s after the equalizer lever 44 and the rear wheel brake wire connecting portion 44b, and is introduced to the rear wheel brake wire 10, The second brake wire 9 introduced through the second wire guiding portion 21h is coupled to the second brake wire connecting portion 44c. In addition, the first brake wire 7 introduced through the first wire guiding portion 21g is coupled to the first brake wire connecting portion 41e of the first rotating lever 41. Further, the engaging piece 21j of the cylinder 21a and the engaging projection 42k of the second rotating lever 42 are respectively Mounting portions 28a, 28a of the retardation spring 28 are provided.

Further, the stopper bolt 30 is disposed in the vicinity of the lever holders 21k and 21m, and the shaft portion 30b is disposed between the holding pieces 42f and 42j of the second rotating lever 42. Further, the stopper bolt 30 and the retardation spring 28 are disposed in parallel and are considered to be adjacent to each other (FIG. 2), and the nut member 30e of the stopper bolt 30 is disposed in the straight portion 28c of the retardation spring 28. Corresponding location.

In the non-operating state of the master cylinder unit 20 formed as described above, as shown in FIGS. 1 to 9, the piston 22 of the hydraulic master cylinder 21 is given a direction toward the opening of the cylinder bore by the elastic force of the return spring 24. In the state of the potential energy, the piston 22 is placed at the position of the retreat limit by the abutment of the flange portion 22a of the piston 22 and the buckle 25.

Further, the first rotating lever 41 is held at the initial position by the tension of the first brake wire 7 connected to the first brake wire connecting portion 41e, and the second rotating lever 42 is biased by the elastic force of the retarding spring 28. 2 The rotation lever abutting surface 21r abuts against the cylinder abutting surface 42h of the joint portion 42g. Further, the striker 43 abuts the adjustment bolt abutting surface 43e and the front end portion of the adjusting bolt 32, and maintains a slight gap between the receiving surface 43f and the taper pressing surface 42i, and causes the piston abutting portion 43d and The piston 22 abuts. In addition, the equalizer lever 44 is in a state in which the tension of the second brake wire 9 and the tension of the rear wheel brake wire 10 are balanced in a state in which the second rotating lever coupling portion 44a is coupled to the connecting arm 42b, and is further maintained. It is level.

When the front wheel brake operating device 4 is operated from the non-operating state, as shown in FIG. 12, the first brake wire 7 is pulled, and the first brake wire connecting portion 41e of the first rotating lever 41 is pulled upward, so that the first rotation is performed. The lever 41 rotates counterclockwise around the first rotating base 41a. Along with this, the adjusting bolt 32 presses and moves the adjusting bolt abutting surface 43e of the taper 43, so that the striking device 43 is at the third rotating base. The center 43a rotates counterclockwise, and the piston abutting portion 43d presses and moves the piston 22. Thereby, the hydraulic fluid after the boosting is supplied to the front wheel brake 2 via the hydraulic pipe 8, and the front wheel brake 2 is operated separately.

Further, when the rear wheel brake operating device 5 is operated, first, as shown in FIG. 13, the second brake wire 9 is pulled, and the equalizer lever is pulled upward through the second brake wire connecting portion 44c of the equalizer lever 44. . As a result, after the rear wheel brake wire connecting portion 44b is connected, the wheel brake wire 10 is pulled, and the rear wheel brake 3 starts to operate, and the second rotating lever connecting portion 44a connected to the equalizer lever 44 is second. The connecting arm 42b of the rotating lever 42 is pulled upward, and the second rotating lever 42 is rotated counterclockwise about the second rotating base 42a against the elastic force of the retarding spring 28, and is pressed by the tapping surface 42i. The piston 22 is pressed and moved by the receiving surface 43f of the striker 43, and the piston 22 is pressed and moved, and the pressurized hydraulic fluid is supplied to the front wheel brake 2 via the hydraulic pipe 8, and the front wheel brake 2 is interlocked.

When the rear wheel brake operating device 5 is further operated, as shown in FIG. 14, the equalizer lever 44 is further pulled upward, and the second rotary lever 42 is rotated counterclockwise about the second rotary base 42a. The pair of holding pieces 42f, 42j are abutted against the seating surface 30c of the stopper bolt 30 to be restricted from rotating, and the rotation of the striker 43 is stopped, thereby restricting the supply of the hydraulic pressure to the front wheel brake 2.

When the rear wheel brake operating device 5 is operated more strongly, as shown in FIGS. 15 and 16 , the pair of holding pieces 42 f and 42 j abut against the seating surface 30 c of the stopper bolt 30 to restrict the second rotating lever 42 . In the state of rotation, the position of the coupling pin 31 is fixed, so that the equalizer lever 44 rotates clockwise around the coupling pin 31, and only the rear wheel brake wire 10 is pulled, and the rear wheel brake 3 is more strongly actuated. .

In addition, as shown in Figure 17, if you input the front wheel brakes at the same time As the device 4 and the rear wheel brake operating device 5, the first rotating lever 41 is individually rotated by being pulled by the first brake wire 7, and the piston 22 is pressed and moved to make the front wheel brake 2 act more strongly, and by the first The movement of the equalizer lever 44 of the brake line 9 is as described above. After the second rotating lever 42 is in a state in which the holding pieces 42f and 42j abut against the seating surface 30c of the stopper bolt 30 to restrict the rotation, the equalizer The lever 44 rotates around the coupling pin 31, and only the rear wheel brake wire 10 is pulled, and the rear wheel brake 3 is strongly operated.

In the present embodiment, by adjusting the amount of protrusion of the adjusting bolt 32, it is possible to easily and surely adjust the ineffective stroke from the start of the operation of the front wheel brake operating device 4 to the pressing of the striker 43 and the movement of the piston 22. Get a consistently good sense of operation. Further, the adjustment of the adjusting bolt 32 can be easily and surely performed in the factory, and the master cylinder unit 20 is disposed in the casing 51 of the lever type vehicle 50, so that the adjustment of the adjusting bolt 32 cannot be performed by the user. There is a tendency to change the linked state due to the user's carelessness.

FIG. 18 is a view showing a second embodiment of the present invention, and the same components as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

The first rotating lever 41 of the present embodiment is provided with an abutting piece 41f extending corresponding to the piston pressing portion 43c of the striker 43, and corresponding to the abutting piece of the piston pressing portion 43c of the tap 43 The adjusting bolt mounting portion 43g is formed in the 41f, and the adjusting screw 32 is attached to the female screw portion 43h of the adjusting bolt mounting portion 43g by adjusting the protruding amount to the contact piece 41f using the nut member 32a.

Further, the present invention is not limited to the above-described respective examples, and the mounting position of the master cylinder unit may be arbitrary, and the mounting direction of the master cylinder unit may be arbitrary. Further, the second brake coupling means and the mechanical brake attachment means of the present invention are not limited to the above-described embodiment. Brake line. In addition, the rear wheel brake can be set as a hydraulic brake, and the front wheel brake can be set as a mechanical brake. Further, the present invention can be applied even if it is not a brake device for interlocking brakes.

9‧‧‧2nd brake line

10‧‧‧ Rear wheel brake line

20‧‧‧Master cylinder unit

21‧‧‧Hydraulic master cylinder

21a‧‧‧Cylinder

21b‧‧‧ cylinder bore

21c‧‧‧The Great Trails Department

21d‧‧‧Outlet

21e‧‧‧Protruding

21f‧‧‧Seal hole

21q‧‧‧Stop bolts with bosses

21r‧‧‧2nd rotating lever abutment surface

21s‧‧‧ Rear wheel brake line guide

22‧‧‧Piston

22a‧‧‧Flange

23‧‧‧ hydraulic room

24‧‧‧Return spring

25‧‧‧ buckle

26‧‧‧Liquid tube

29‧‧‧fixed pin

30‧‧‧stop bolts

30a‧‧‧ male thread

30b‧‧‧Axis

30c‧‧‧Seat

30d‧‧‧ head

30e‧‧‧ nut components

31‧‧‧Links

31a‧‧‧stop ring

32‧‧‧Adjustment bolts

32a‧‧‧ nut components

41‧‧‧1st rotating lever

41a‧‧‧1st rotating base

41b‧‧‧ inserted through hole

41c‧‧‧Adjustment bolt mounting

41d‧‧‧ female thread

42‧‧‧2nd rotating lever

42b‧‧‧ link arm

42f‧‧‧挟片

42g‧‧‧Connector

42i‧‧‧Pusher pressing surface

43‧‧‧Patter

43c‧‧‧Piston Pressure Department

43d‧‧‧Piston Abutment

43e‧‧‧Adjustment bolt abutment

43f‧‧‧

44‧‧‧Equalizer lever

44a‧‧‧2nd rotating lever joint

44b‧‧‧ Rear wheel brake line connection

Claims (5)

A lever type vehicle brake device that uses at least one of a front wheel brake and a rear wheel brake as a hydraulic brake, and is formed by a combination of a hydraulic master cylinder and a lever mechanism by operation of a first brake operating device The master cylinder unit operates the hydraulic brake, and the lever mechanism includes at least a first rotating lever and a striker, and connects the first brake line connected to the first brake operating device to the first Rotating the lever, and operating the first brake operating device, the plunger of the hydraulic master cylinder is actuated via the tapper pressed and moved by the first rotating lever, and the hydraulic brake is actuated The first rotating lever is formed with a taper pressing surface that presses and moves the tapper, and the tapper is formed to be pressed and moved by the tapping surface of the tapper. The receiving surface is equipped with an adjusting bolt protruding toward the other side of the receiving surface and the pressing surface of the tapper, by adjusting the protruding amount of the adjusting bolt, Operation of said first brake operating device via the striker starts to be pressed and move the piston up of backlash, to be adjusted. The lever type vehicle brake device according to the first aspect of the invention, wherein the front wheel brake and the rear wheel brake are both the hydraulic brake and the other is a mechanical brake, and the lever mechanism Provided with the first rotating lever, the second rotating lever, the tapper and the equalizer lever, and the second brake coupling means connected to the second brake operating device and the mechanical type connected to the mechanical brake The brake connecting means and the second rotating lever are coupled to the equalizer lever, and the hydraulic brake is separately operated by the operation of the first brake operating device, and the second brake operating device operates Pulling the mechanical brake connecting means via the equalizer lever to cause the mechanical brake to act, and The equalizer lever rotates the second rotating lever, and the piston of the hydraulic master cylinder is actuated via the tapper pressed and moved by the second rotating lever, thereby causing the hydraulic brake to be interlocked and Take action. The brake device for a lever type vehicle according to the first aspect of the invention, wherein the master cylinder unit is disposed in a casing of a lever type vehicle. The brake device for a lever type vehicle according to the second aspect of the invention, wherein the master cylinder unit is disposed in a casing of a lever type vehicle. The lever type vehicle brake device according to any one of claims 1 to 4, wherein the hydraulic brake is disposed on a front wheel and the mechanical brake is disposed on a rear wheel.