JP6465078B2 - Interlocking brake device for saddle riding type vehicles - Google Patents

Description

  The present invention relates to an interlocking brake device for a saddle riding type vehicle.

2. Description of the Related Art A straddle-type vehicle interlocking brake device that can apply braking force to a front wheel brake and a rear wheel brake by operating a brake pedal is known.
A pedal-linked brake device for a motorcycle disclosed in Patent Document 1 includes a brake pedal that is swingably supported on a vehicle body via a pedal pivot shaft, and an operating arm that is integrally formed with the brake pedal and extends upward. An equalizer that is pivotally supported by the operating arm, a return spring that urges the brake pedal toward the initial position, a brake rod that is supported by the lower end of the equalizer and that operates the rear wheel brake, and an upper end of the equalizer. And an interlocking brake cable for operating the front wheel brake.

JP 2014-162453 A

However, in the pedal-linked brake device for a motorcycle of Patent Document 1, since the linked brake cable is routed along the subframe and the seat frame, the linked brake cable becomes long. Therefore, the friction of the interlocking brake cable may increase, or the appearance of the interlocking brake device may be deteriorated.
The present invention has been made in view of the above-described problems, and an object thereof is to shorten the length of the interlocking brake cable.

The straddle-type vehicle interlocking brake device according to the present invention includes a front wheel brake, a rear wheel brake, a pedal arm rotatably supported by a vehicle body frame, and a rotational force of the pedal arm that is used for the front wheel brake and the rear wheel. A distribution unit that distributes to the brake; and an interlocking brake cable that operates the front wheel brake by the rotational force being distributed by the distribution unit; and the distribution unit is an operating arm that is movable integrally with the pedal arm; An equalizer disposed in front of the operating arm and coupled to the operating arm, the equalizer being rotatably supported by an equalizer bracket provided at a lower portion of a vehicle body frame, and the fulcrum A force point portion connected to the operating arm and a position lower than the fulcrum portion and the interlocking brake case. The interlock brake cable extends from the lower part of the head pipe of the vehicle body frame to the front side of the engine diagonally downward and then curves backward from the equalizer. It is characterized by being routed along a down tube formed so that the lower side of the crankcase extends rearward .

  According to the present invention, the length of the interlocking brake cable can be shortened.

1 is a right side view showing an overall configuration of a motorcycle 1. FIG. It is a right view which shows the structure of the periphery of the engine 106 of 1st Example. It is a right view which shows the structure of a part of interlocking brake device 10 of 1st Example. 1 is a perspective view showing a partial configuration of an interlocking brake device 10 of a first embodiment. It is a right view which shows the structure of the periphery of the engine 106 of 2nd Example. It is a right view which shows a partial structure of the interlocking brake device 60 of 2nd Example. It is a perspective view which shows a part of structure of the interlocking brake device 60 of 2nd Example. It is a perspective view which shows the path | route which the interlocking brake cable 80 of 2nd Example routes.

  An interlocking brake device for a saddle-ride type vehicle according to one aspect of the present invention includes a front wheel brake, a rear wheel brake, a pedal arm that is rotatably supported by a vehicle body frame, and a rotational force of the pedal arm. And a distributing part that distributes to the rear wheel brake, and an interlocking brake cable that operates the front wheel brake by distributing the rotational force by the distributing part, and the distributing part is movable integrally with the pedal arm And an equalizer disposed in front of the operating arm and connected to the operating arm, and the interlocking brake cable is routed from the equalizer along the engine. Thus, the length of the interlock brake cable can be shortened by arranging the equalizer in front of the operating arm and routing the interlock brake cable along the engine from the equalizer. Therefore, the friction of the interlocking brake cable can be reduced and the appearance of the interlocking brake device can be improved.

Hereinafter, preferred examples of the interlocking brake device 10 for a saddle riding type vehicle according to the present embodiment will be described with reference to the drawings. In this embodiment, the motorcycle 1 will be described as a straddle-type vehicle.
FIG. 1 is a right side view showing the overall configuration of the motorcycle 1. FIG. 2 is a right side view showing a configuration around the engine 106. In each of the drawings including the following drawings, the front of the motorcycle 1 is indicated by the arrow “front”, the upper side by the arrow “up”, and the left side by the arrow “left” as necessary. Therefore, the opposite side of the arrow “front” is the rear, the opposite side of the arrow “up” is the lower side, and the opposite side of the arrow “left” is the right side.

  The motorcycle 1 forms a vehicle body skeleton by a vehicle body frame 100 made of steel or aluminum alloy. A head pipe 101 is provided at the front of the vehicle, and supports the steering stem shaft 102 so as to be turnable to the left and right. The main frame 103 extends rearward and obliquely downward from the upper portion of the head pipe 101, and further extends obliquely downward after being curved. The main frame 103 is composed of a pair of left and right. Further, the down tube 104 extends obliquely downward from the lower part of the head pipe 101, and further extends rearward after being curved. The down tube 104 is composed of a pair of left and right. The lower end of the main frame 103 and the rear end of the down tube 104 are respectively coupled to a suspension frame 105 disposed along the left-right direction of the vehicle (see FIG. 2 and FIG. 8 described later). An engine 106 is provided in a space surrounded by the main frame 103 and the down tube 104.

  As shown in FIG. 2, the engine 106 includes a crankcase 106a, a cylinder block 106b extending forwardly from the crankcase 106a, a cylinder head 106c disposed above the cylinder block 106b, and a cylinder head. A cylinder head cover 106d that closes 106c from above is integrally coupled. The main frame 103, the down tube 104, and the suspension frame 105 support the engine 106 via a plurality of suspension portions 107a to 107c.

  Further, as shown in FIG. 1, the seat frame 108 extends rearward from the curved position of the main frame 103. The seat frame 108 is composed of a pair of left and right, and supports a seat (not shown). A sub frame 109 is coupled between the lower portion of the main frame 103 and the seat frame 108 in an inclined state. The sub frame 109 is composed of a pair of left and right, and reinforces the seat frame 108. A cleaner box 110 is disposed in a space surrounded by the main frame 103, the seat frame 108 and the sub frame 109. A muffler bracket 111 is provided behind the right main frame 103. The muffler bracket 111 is supported on the vehicle body frame 100 by the first bracket support portion 111a and the second bracket support portion 111b. Specifically, the first bracket support 111a is coupled to the right subframe 109, and the second bracket support 111b is coupled to the lower portion of the right main frame 103. The muffler bracket 111 extends rearward from the right subframe 109 and the right main frame 103, and supports the muffler 112 at the rear end.

A pair of left and right front forks 116 are fixed to the steering stem shaft 102 via a top bridge 114 and a bottom bridge 115. The front fork 116 extends obliquely downward to the front of the vehicle and supports the front wheel 117 rotatably at the lower end. A handle bar 118 is fixed to the top bridge 114. Grips 119 are attached to both ends of the handle bar 118. A brake lever 120 is provided at a position close to the right grip 119. A brake lever-side brake cable 121 is connected to the brake lever 120. The brake lever side brake cable 121 is routed along the head pipe 101 and connected to the transmission device 30 described later.
A swing arm 123 is supported at the lower part of the main frame 103 via a swing arm pivot 122 so as to be swingable up and down. The swing arm 123 extends rearward of the vehicle and supports the rear wheel 124 rotatably at the rear end.

  As shown in FIG. 2, footrest brackets 125 are coupled to the left and right ends of the suspension frame 105. The footrest bracket 125 has a plate shape extending in the front-rear direction, and is coupled and supported by the suspension frame 105 at a substantially center in the front-rear direction. A footrest 126 is coupled to the front end of the footrest bracket 125. The footrest 126 extends from the footrest bracket 125 toward the outside of the vehicle and supports the legs of the occupant seated on the seat.

(First embodiment)
Next, the interlocking brake device 10 of the present embodiment will be described with reference to FIGS.
FIG. 3 is a right side view showing a configuration of a part of the interlocking brake device 10, and a part of the vehicle body frame 100 is indicated by a two-dot chain line for easy understanding. FIG. 4 is a perspective view showing a partial configuration of the interlocking brake device 10 as viewed from the body frame 100 side.
The interlocking brake device 10 of the present embodiment includes a front wheel brake 20, a rear wheel brake 25, a transmission device 30, a pedal arm 35 (brake pedal 36), a distribution unit 40, and an interlocking brake cable 50.

The front wheel brake 20 is a so-called drum brake that applies a braking force by pressing a friction material from the inner peripheral surface side against a drum that rotates integrally with the front wheel 117. As shown in FIG. 1, the front wheel brake 20 is provided with a front wheel brake arm 21, and a front wheel brake cable 22 is connected to the front wheel brake arm 21. The front wheel side brake cable 22 is flexible and is routed along the front fork 116. The rear end of the front wheel side brake cable 22 is connected to the transmission device 30.
The rear wheel brake 25 is a so-called drum brake that applies a braking force by pressing a friction material from the inner peripheral side against a drum that rotates integrally with the rear wheel 124. As shown in FIG. 1, a rear wheel brake arm 26 is provided on the rear wheel brake 25, and a rear wheel brake rod 27 is connected to the rear wheel brake arm 26. The rear wheel brake rod 27 is inflexible and is connected to an operating arm 39 described later.

The transmission device 30 transmits a brake operation via the brake lever 120 and the pedal arm 35 to the front wheel brake 20. As shown in FIGS. 1 and 2, the transmission device 30 is disposed on the upper portion of the down tube 104, and the brake lever side brake cable 121 and the front wheel side brake cable 22 are connected from above, and the interlocking brake cable 50 is connected from below. Is done.
When the brake operation of only the brake lever 120 is performed, the transmission device 30 moves the front wheel side brake cable 22 along with the movement of the brake lever side brake cable 121 (movement toward the brake lever 120 side) (transmission device). To the 30 side). Further, when the brake operation of only the pedal arm 35 is performed, the transmission device 30 moves along with the movement of the interlocking brake cable 50 (movement toward the distribution unit 40 side) due to distribution by the distribution unit 40. The side brake cable 22 is moved (moved toward the transmission device 30 side). In addition, when the brake operation of both the brake lever 120 and the pedal arm 35 is performed, the transmission device 30 corresponds to a cable having a large movement amount among the brake lever side brake cable 121 and the interlocking brake cable 50. The front-wheel brake cable 22 is moved (moved toward the transmission device 30). Note that a known device can be used as the transmission device 30, and a detailed description thereof will be omitted.

The pedal arm 35 is configured as a part of the brake pedal 36. First, the brake pedal 36 will be described. The brake pedal 36 is rotatably supported within a range of a predetermined angle with respect to the vehicle body frame 100, and accepts a brake operation by an occupant. The brake pedal 36 is disposed at a position close to the right footrest 126. As shown in FIGS. 2 and 3, the brake pedal 36 includes a pedal rotating portion 37, a pedal arm 35, and an operating arm 39. The pedal rotation part 37, the pedal arm 35, and the operation arm 39 are integrally formed.
The pedal rotation unit 37 is rotatably supported at the rear end of the right footrest bracket 125. The pedal arm 35 extends forward from below the suspension frame 105 so as to avoid the suspension frame 105 from the pedal rotating portion 37. An operation unit 38 is provided at the front end of the pedal arm 35. The operation unit 38 is positioned in front of the footrest 126 so that the occupant can operate with the legs supported by the footrest 126. On the other hand, the operating arm 39 extends from the pedal rotating portion 37 between the right swing arm 123 and the second bracket support portion 111b of the muffler bracket 111 and rearward and obliquely upward. The operating arm 39 is connected to the tip so that a later-described connecting member 45 extends forward, and the rear wheel brake rod 27 is connected to the rear via a connecting plate 28. At this time, the connecting member 45 and the rear wheel brake rod 27 are in a straight line. The brake pedal 36 rotates around the pedal rotation unit 37 when the occupant steps down the operation unit 38 with his / her leg. That is, the pedal arm 35 pivots downward about the pedal pivoting portion 37, and the operating arm 39 pivots forward about the pedal pivoting portion 37. As the operating arm 39 pivots forward, the connecting member 45 and the rear wheel brake rod 27 also move forward.

The distribution unit 40 distributes the rotational force of the pedal arm 35 to the front wheel brake 20 and the rear wheel brake 25. The distribution unit 40 includes the equalizer 41, the rear wheel brake rod 27, the operating arm 39, and the connecting member 45 described above.
The equalizer 41 rotates according to the rotation of the operation arm 39 to move the interlocking brake cable 50. The equalizer 41 functions as a conversion member that moves the interlocking brake cable 50 in a direction different from the direction in which the operating arm 39 moves. Here, the equalizer 41 is disposed in front of the operating arm 39, and a part thereof is disposed between the right swing arm 123 and the right main frame 103. That is, as shown in FIGS. 2 and 3, the equalizer 41 is disposed so as to overlap with the swing arm 123 in a vehicle side view.
As shown in FIG. 3 and FIG. 4, the equalizer 41 is a lever shape that is partially bent, and includes a fulcrum part 42, a force point part 43, and an action point part 44. In the equalizer 41 of the present embodiment, the distance from the fulcrum part 42 to the force point part 43 is set shorter than the distance from the fulcrum part 42 to the action point part 44. Specifically, the ratio of the distance from the fulcrum part 42 to the force point part 43 and the distance from the fulcrum part 42 to the action point part 44 is approximately 1: 3.
As shown in FIG. 4, the fulcrum portion 42 is rotatably supported by a shaft-like equalizer bracket 128 that extends from the right main frame 103 toward the inside of the vehicle. The fulcrum part 42 is located behind the swing arm pivot 122 and at substantially the same height as the swing arm pivot 122. The force point portion 43 extends rearward and obliquely downward from the fulcrum portion 42, and the connecting member 45 is connected. The action point portion 44 extends upward from the fulcrum portion 42 and is connected to the interlocking brake cable 50. The action point portion 44 is located at substantially the same height as the upper surface of the crankcase 106a.

The connecting member 45 is a pair of left and right inflexible plates, and connects the operating arm 39 and the equalizer 41. Specifically, as shown in FIG. 4, one end of the connecting member 45 is connected to the tip of the operating arm 39 via a connecting pin 46, and the other end is connected to the power point portion 43 of the equalizer 41 via a connecting pin 47. Link. The connecting member 45 is rotatably connected to the operating arm 39 and the force point portion 43 by connecting pins 46 and 47, respectively. The connecting pin 46 connects the connecting member 45 and the connecting plate 28 together to the operating arm 39, so that the number of parts can be reduced. As shown in FIG. 3, the connecting member 45 extends slightly diagonally forward from the operating arm 39 toward the power point portion 43.
Therefore, a force is applied to the power point portion 43 of the equalizer 41 by the connecting member 45 moving forward as the operating arm 39 rotates forward. That is, the force point portion 43 moves forward as the connecting member 45 moves. The force applied to the force point part 43 acts on the action point part 44 via the fulcrum part 42. That is, since the equalizer 41 rotates about the fulcrum part 42, the action point part 44 moves rearward. As the action point portion 44 moves rearward, the interlocking brake cable 50 moves rearward.

The interlocking brake cable 50 operates the front wheel brake 20 via the distribution unit 40. The interlocking brake cable 50 is routed from the equalizer 41 along the engine 106 to the transmission device 30.
Specifically, as shown in FIG. 4, the interlocking brake cable 50 includes an outer tube 51 and an inner cable 52. The outer tube 51 is hollow, and the inner cable 52 is inserted through the outer tube 51. For the outer tube 51, a flexible material or an inflexible material is properly used depending on the position where the interlocking brake cable 50 is routed. The inner cable 52 is arranged to be movable in the outer tube 51, in other words, to be able to advance and retreat. The inner cable 52 is made of a material such as steel or stainless steel.

Next, the routing route of the interlocking brake cable 50 will be described with reference to FIGS.
As shown in FIG. 4, in the interlocking brake cable 50, the rear end of the inner cable 52 is connected to the action point portion 44 of the equalizer 41. The interlocking brake cable 50 is routed forward from the equalizer 41, passes through the right side between the pair of left and right main frames 103, and is supported by a cable fixing portion 129 disposed in front of the action point portion 44. . The cable fixing portion 129 extends downward from the right main frame 103 and toward the inside of the vehicle (see FIGS. 2 and 3). The cable fixing portion 129 has an adjustment portion 130 that adjusts the tension of the inner cable 52.

The interlocking brake cable 50 is routed forward toward the down tube 104 via the cable fixing portion 129. At this time, the interlocking brake cable 50 is routed along the engine 106. Specifically, the interlocking brake cable 50 is routed along the crankcase 106a by passing through the upper side of the crankcase 106a and the right side of the cylinder block 106b. After that, the interlocking brake cable 50 is bent so as to follow the down tube 104, then routed obliquely forward and upward along the down tube 104, and connected to the transmission device 30. The interlocking brake cable 50 is bound to the down tube 104 with a predetermined interval, for example, with a binding band or the like. That is, since the interlocking brake cable 50 is routed along the right down tube 104, it can be easily bundled with the down tube 104.
As shown in FIG. 2, the interlocking brake cable 50 has a curved portion 53 at a position close to the down tube 104. The bending portion 53 uses an inflexible bending tube 54 as an outer tube. For example, the curved pipe 54 is a metal pipe such as an iron pipe or a stainless steel pipe. As described above, by using the inflexible bending tube 54 for the bending portion 53, it is possible to prevent the bending tube 54 from being deformed when the inner cable 52 moves, and the inner cable 52 moves to the transmission device 30. Can be transmitted without loss. In addition, outer tubes other than the curved part 53 are flexible, and can operate the interlocking brake cable 50 easily.
The interlocking brake cable 50 is routed from the equalizer 41 in a substantially straight line toward the front along the engine 106, and is routed to the transmission device 30 in a substantially straight line via the bending portion 53. Thus, since the routing route of the interlocking brake cable 50 is substantially straight and includes a small number of curved portions, the length of the interlocking brake cable 50 can be shortened. As shown in FIG. 2, a clutch cable indicated by a two-dot chain line is connected to the crankcase 106a, and the interlocking brake cable 50 and the clutch cable are routed along the same route. Therefore, when the interlocking brake cable 50 is bound to the vehicle body frame 100 or the like, the number of parts can be reduced by binding the clutch cable.

Next, the operation of the interlocking brake device 10 when the front wheel brake 20 and the rear wheel brake 25 are braked in conjunction with each other according to the brake operation via the passenger's pedal arm 35 will be described.
A brake operation is performed when the occupant steps on the operation portion 38 of the pedal arm 35, and the brake pedal 36 rotates clockwise around the pedal rotation portion 37 as viewed from the right side. Note that the brake pedal 36 is always urged counterclockwise by a return spring (not shown) so that the operation portion 38 is disposed in front of the footrest 126, that is, when viewed from the right side, so that the occupant is urged by the return spring. Step on against.
As the brake pedal 36 rotates, the pedal arm 35 rotates downward and the operating arm 39 rotates forward. As the operating arm 39 pivots forward, the connecting member 45 and the rear wheel brake rod 27 also move forward.

Since the rear wheel brake rod 27 is connected to the rear wheel brake arm 26, the rear wheel brake arm 26 is rotated by the forward movement of the rear wheel brake rod 27, and the rear wheel brake 25 is moved relative to the rear wheel 124. To apply braking force.
On the other hand, since the connecting member 45 is connected to the power point portion 43 of the equalizer 41 via the connecting pin 47, the equalizer 41 is moved so that the power point portion 43 of the equalizer 41 moves forward by the forward movement of the connecting member 45. Rotates counterclockwise around the fulcrum part 42 in the right side view. Therefore, the action point portion 44 located on the opposite side of the force point portion 43 with respect to the fulcrum portion 42, specifically, the upper portion of the equalizer 41, moves backward. Here, the equalizer 41 is set so that the distance from the fulcrum part 42 to the force point part 43 is shorter than the distance from the fulcrum part 42 to the action point part 44. The amount of backward movement of the action point portion 44 can be amplified.

  As the action point portion 44 moves rearward, the inner cable 52 of the interlocking brake cable 50 connected to the action point portion 44 moves rearward. Here, the interlocking brake cable 50 is routed along the upper surface of the crankcase 106a through the pair of left and right main frames 103. By connecting the interlocking brake cable 50 at the upper part of the equalizer 41, the interlocking brake cable 50 can be routed forward from the equalizer 41 as it is, so that the length of the interlocking brake cable 50 can be shortened.

  As the inner cable 52 of the interlocking brake cable 50 moves, the transmission device 30 moves the front wheel side brake cable 22 (moves toward the transmission device 30 side). Since the front wheel brake cable 22 is connected to the front wheel brake arm 21, the front wheel brake arm 21 is rotated by the movement of the front wheel brake cable 22, and the front wheel brake 20 applies a braking force to the front wheel 117. Thus, the interlocking brake device 10 can brake the front wheel brake 20 and the rear wheel brake 25 in conjunction with each other only in accordance with the brake operation via the occupant's brake pedal 36. Since the equalizer 41 amplifies the amount of rearward movement of the action point portion 44, the braking force of the rear wheel brake 25 is applied by the brake operation via the pedal arm 35 of the occupant in the interlocking brake device 10 of this embodiment. The braking force of the front wheel brake 20 is set to be larger than that. Further, since the connecting member 45 and the rear wheel brake rod 27 are connected to the operating arm 39 in a straight line, the movement of the operating arm 39 can be efficiently transmitted to the connecting member 45 and the rear wheel brake rod 27. .

Next, the operation of the interlocking brake device 10 when releasing braking by interlocking the front wheel brake 20 and the rear wheel brake 25 in accordance with the end of the brake operation of the occupant will be described.
The brake operation is completed when the occupant releases the stepping on the operation portion 38 of the pedal arm 35. In this case, the brake pedal 36 is rotated counterclockwise in a right side view by an urging force of a return spring (not shown), and returns to the original state so that the operation unit 38 is disposed in front of the footrest 126. In other words, the operating arm 39 of the brake pedal 36 rotates backward as opposed to when the brake is operated. Accordingly, the connecting member 45 and the rear wheel brake rod 27 also move rearward as the operating arm 39 rotates rearward. The rear wheel brake 25 releases the braking force applied to the rear wheel 124 by the rear wheel brake rod 27 moving rearward. On the other hand, as the connecting member 45 moves rearward, the equalizer 41 rotates clockwise around the fulcrum portion 42 in the right side view. Therefore, when the inner cable 52 of the interlocking brake cable 50 connected to the upper portion of the equalizer 41 moves forward, the transmission device 30 moves the front wheel side brake cable 22 forward, and the front wheel brake 20 applies braking force to the front wheel 117. Release the grant. Thus, the interlocking brake device 10 can release the braking by interlocking the front wheel brake 20 and the rear wheel brake 25 in accordance with the end of the brake operation of the occupant.

  The interlocking brake device 10 according to the present embodiment operates the front wheel brake 20 by distributing the rotational force of the pedal arm 35 to the front wheel brake 20 and the rear wheel brake 25 and the distribution unit 40 distributing the rotational force. And an interlocking brake cable 50 to be operated. The distributor 40 includes an operating arm 39 that is movable integrally with the pedal arm 35, and an equalizer 41 that is disposed in front of the operating arm 39 and connected to the operating arm 39. The interlocking brake cable 50 is connected to the engine 106 from the equalizer 41. It is routed along. In this way, the interlocking brake cable 50 is not routed rearward from the distribution unit 40, but is routed along the engine 106 forward from the distribution unit 40, thereby shortening the length of the interlocking brake cable 50. be able to. By shortening the length of the interlocking brake cable 50, the friction of the interlocking brake cable 50 can be reduced, and the appearance of the interlocking brake device 10 can be improved.

  Further, the equalizer 41 of the present embodiment includes a fulcrum part 42, a force point part 43 that is positioned below the fulcrum part 42 and connected to the operating arm 39, and is located above the fulcrum part 42 and the interlocking brake cable 50 is provided. And an action point portion 44 to be connected. Accordingly, by connecting the interlocking brake cable 50 at the upper part of the equalizer 41, the interlocking brake cable 50 can be routed forward from the equalizer 41 as it is, and can be routed along the engine 106. Can be shortened.

Moreover, since the interlocking brake cable 50 of this embodiment is routed from the equalizer 41 along the crankcase 106a of the engine 106, the appearance of the interlocking brake device 10 can be improved.
Further, the interlocking brake cable 50 of this embodiment has a non-flexible bending tube 54 through which the inner cable 52 is inserted at a curved position. Therefore, the outer tube 51 can be prevented from being deformed when the inner cable 52 is moved, and the movement of the inner cable 52 can be efficiently transmitted to the transmission device 30 or the front wheel brake 20. Further, the layout and appearance when the interlocking brake cable 50 is routed can be improved.

(Second embodiment)
Next, the interlocking brake device 60 of the present embodiment will be described with reference to FIGS.
FIG. 5 is a right side view showing a configuration around the engine 106. FIG. 6 is a right side view showing a configuration of a part of the interlocking brake device 60, and a part of the vehicle body frame 100 is indicated by a two-dot chain line for easy understanding. FIG. 7 is a perspective view showing a partial configuration of the interlocking brake device 60 as viewed from the body frame 100 side. In addition, the same code | symbol is attached | subjected to the structure similar to 1st Example, and the description is abbreviate | omitted suitably.
The interlocking brake device 60 of this embodiment includes a front wheel brake 20, a rear wheel brake 25, a transmission device 30, a pedal arm 35 (brake pedal 36), a distribution unit 40, and an interlocking brake cable 80.

The distribution unit 40 includes the equalizer 71, the rear wheel brake rod 27, the operating arm 39, and the connecting member 45 described above.
The equalizer 71 is disposed in front of the operating arm 39, and a part thereof is disposed between the right swing arm 123 and the right main frame 103. As shown in FIG. 6 and FIG. 7, the equalizer 71 has a partially bent lever shape, and includes a fulcrum part 72, a force point part 73, and an action point part 74.
As shown in FIG. 7, the fulcrum portion 72 is rotatably supported by a shaft-like equalizer bracket 132 that extends from the right main frame 103 toward the inside of the vehicle. The fulcrum part 72 is located behind the swing arm pivot 122 and at a height lower than the height of the swing arm pivot 122. The force point portion 73 extends rearward and obliquely upward from the fulcrum portion 72, and the connecting member 45 is connected. The action point portion 74 extends downward from the fulcrum portion 72 and is connected to the interlocking brake cable 80. The action point portion 74 is located at substantially the same height as the lower surface of the crankcase 106a.

The interlocking brake cable 80 is routed from the equalizer 71 to the transmission device 30 along the engine 106 or the down tube 104.
Here, the routing route of the interlocking brake cable 80 will be described with reference to FIGS. FIG. 8 is a perspective view showing a routing route of the interlocking brake cable 80.
As shown in FIG. 7, in the interlocking brake cable 80, the rear end of the inner cable is connected to the action point portion 74 of the equalizer 71. The interlocking brake cable 80 is routed forward from the equalizer 71, passes below the suspension frame 105, and is routed forward along the right down tube 104. At this time, as shown in FIG. 8, the interlocking brake cable 80 is supported by a cable fixing portion 131 disposed between the footrest bracket 125 and the right down tube 104. The cable fixing portion 131 extends from the right footrest bracket 125 toward the inside of the vehicle.

Thereafter, the interlocking brake cable 80 is bent in accordance with the shape of the right down tube 104, then routed obliquely upward and forward along the down tube 104, and connected to the transmission device 30. That is, the interlock brake cable 80 is routed along the engine 106 via the lower and front of the crankcase 106a of the engine 106, the front of the cylinder block 106b, the front of the cylinder head 106c, and the front of the cylinder head cover 106d. The The interlocking brake cable 80 is bound to the down tube 104 at a predetermined interval, for example, with a binding band or the like. That is, since the interlocking brake cable 80 is routed along the right down tube 104, it can be easily bound to the down tube 104.
The interlocking brake cable 80 has a curved portion 83 having substantially the same radius of curvature at the curved position of the right down tube 104. The bending portion 83 uses an inflexible bending tube 84 as an outer tube. For example, the curved pipe 84 is a metal pipe such as an iron pipe or a stainless steel pipe. The outer tube other than the curved portion 83 is flexible, and the interlocking brake cable 80 can be easily handled.
The interlocking brake cable 80 is routed from the equalizer 71 to the transmission device 30 along the down tube 104. Thus, since the routing route of the interlocking brake cable 80 is substantially straight and includes a small number of curved portions, the length of the interlocking brake cable 80 can be shortened.

Thus, in the interlocking brake device 60 of this embodiment, the equalizer 71 is located above the fulcrum part 72, the force point part 73 where the operating arm 39 is connected and located below the fulcrum part 72, and below the fulcrum part 72. And an action point portion 74 to which the interlocking brake cable 80 is connected. Therefore, by connecting the interlocking brake cable 80 at the lower part of the equalizer 71, the interlocking brake cable 80 can be extended from the equalizer 71 as it is, so that it can be routed along the engine 106. Can be shortened.
In addition, since the interlocking brake cable 80 of this embodiment is routed from the equalizer 71 along the down tube 104, the appearance of the interlocking brake device 60 can be improved. Further, the interlocking brake cable 80 can be easily bound to the down tube 104 using a binding band, for example, and the appearance of the interlocking brake device 10 can be further improved. Further, the down tube 104 adjacent to the interlocking brake cable 80 can protect the interlocking brake cable 80 against scattered matters from the outside.
In the interlocking brake device 60 of this embodiment, the interlocking brake cable 80 is supported by a cable fixing portion 131 that extends from the footrest bracket 125 toward the inside of the vehicle. Therefore, since the interlocking brake cable 80 is hidden by the footrest bracket 125, the appearance of the interlocking brake device 60 can be improved.

As described above, the present embodiment has been described based on the above-described examples. However, the present embodiment is not limited to the above-described examples, and can be changed within the scope of the present invention.
In the above-described embodiment, the case where the interlocking brake cables 50 and 80 are connected to the transmission device 30 has been described. However, the present invention is not limited to this case. For example, the transmission device 30 may be omitted, and the interlocking brake cables 50 and 80 may be routed directly to the front wheel brake 20. In this case, both the brake lever side brake cable 121 and the interlocking brake cables 50 and 80 are connected to the front wheel brake 20.

  In the embodiment described above, the case where the rear wheel brake rod 27 and the connecting member 45 are inflexible has been described. However, the present invention is not limited to this, and a flexible material such as a wire or a cable may be used. In the case where the rear wheel brake rod 27 and the connecting member 45 are made of a flexible material, it is preferable to use a spring or the like together so as to easily return to the original state.

  In the above-described embodiments, the case where the motorcycle 1 is applied as the saddle-ride type vehicle has been described. However, the present invention is not limited to this case, and a vehicle such as an automatic tricycle or an ATV (All Terrain Vehicle) may be applied.

  1: motorcycle (saddle-type vehicle) 10: interlocking brake device 20: front wheel brake 25: rear wheel brake 27: rear wheel brake rod 30: transmission device 35: pedal arm 40: distributor 41: equalizer 42: fulcrum 43 : Power point part 44: Action point part 50: Interlocking brake cable 54: Curved pipe 60: Interlocking brake device 71: Equalizer 72: Support point part 73: Power point part 74: Action point part 80: Interlocking brake cable 100: Vehicle frame 103: Main Frame 104: Down tube 106: Engine 106a: Crankcase 117: Front wheel 123: Swing arm 124: Rear wheel 125: Footrest bracket 129, 131: Cable fixing part

Claims (3)

Front wheel brakes,
Rear wheel brakes,
A pedal arm rotatably supported by the body frame;
A distributor for distributing the rotational force of the pedal arm to the front wheel brake and the rear wheel brake;
An interlocking brake cable that operates the front wheel brake by distributing the rotational force by the distributing unit,
The distributor includes an operating arm that is movable integrally with the pedal arm, and an equalizer that is disposed in front of the operating arm and connected to the operating arm,
The equalizer includes a fulcrum portion rotatably supported by an equalizer bracket provided at a lower portion of a vehicle body frame, a force point portion that is positioned above the fulcrum portion and to which the operating arm is coupled, and a fulcrum portion. And an action point portion to which the interlocking brake cable is connected and located below,
The interlocking brake cable extends from the lower portion of the head pipe of the vehicle body frame from the equalizer to the front side of the engine diagonally downward and then curves backward to extend the lower side of the crankcase of the engine to the rear. A linkage brake device for a saddle-ride type vehicle, wherein the brake device is routed along a formed down tube . The straddle-type vehicle is
A footrest bracket located close to the pedal arm;
A cable fixing portion extending from the footrest bracket toward the inside of the vehicle,
The interlock brake device for a saddle riding type vehicle according to claim 1 , wherein the interlock brake cable is supported by the cable fixing portion. The interlocking brake cable, interlocking brake system for a saddle riding type vehicle according to claim 1 or 2, characterized in that it has a bending tube inflexible for inserting the inner cable in a curved position.

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