CN203511942U - Straddle vehicle - Google Patents

Abstract

The utility model relates to a straddle type vehicle, which can suppress the stress applied to the cables at the front part of the vehicle body. It is equipped with a guide body (84) located in front of the motorcycle head pipe (4) and installed on the upper fork (6). The guide body (84) is formed in a U-shape, has a pair of left and right side restricting parts (86L, 86R) that restrict the movement of the cable (CA) in the left and right directions, and connects the lower ends of these side restricting parts (86L, 86R) (86La, 86Ra) and a lower restricting portion (88) that restricts the downward movement of the cable (CA). The pair of left and right side restricting parts (86L, 86R) are located on the outer side in the left-right direction than the head pipe (4) when viewed from the front. A part of the cable (CA) passes through the first gap (90) between the head pipe (4) and the left lateral restriction (86L), and the rest of the cable (CA) passes through the head pipe (4) and the right lateral A second gap (92) between the restriction (86R).

Description

straddle vehicle

technical field

The utility model relates to a straddle type vehicle which is steered by a handle supported on the front end of the vehicle body frame.

Background technique

In a straddle-type vehicle such as a motorcycle, a steering shaft is rotatably inserted through a head pipe at the front end of a body frame, a top fork is attached to the upper end of the steering shaft, and a steering handle is attached to the top fork. Various switches, gauges, clutches, accelerators, and other operating tools are arranged on the handlebars and upper stays, and their cables are led out from the front of the vehicle body and connected to the rear control unit, clutch, etc. At this time, cable fixing metal fittings are attached to the left and right sides of the head pipe at the front end of the vehicle body frame, and the cables are fixed by these metal fittings (for example, Japanese Patent Application Laid-Open No. 6-329070).

In Japanese Patent Laid-Open No. 6-329070, when the handle turning operation is performed, the cable taken out from the switch, operating tool, etc. is turned together with the handle and the upper stay. However, the metal piece mounted on the head tube does not rotate, so the metal piece puts stress on the cable.

Utility model content

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a straddle-type vehicle in which stress applied to cables at the front of the vehicle body can be suppressed.

In order to achieve the above object, the straddle vehicle of the present invention is a steering shaft that can be freely rotated through the head pipe at the front end of the body frame, an upper fork is installed on the upper end of the steering shaft, and a steering fork is installed on the upper fork. a handlebar, a straddle-type vehicle with a cable extending from the front of the vehicle body to the rear; a guide body located in front of the head pipe and mounted on the upper fork; the guide body is formed in a U-shape, and It has a pair of left and right side restricting parts that restrict the movement of the cable in the left and right direction, and a lower restricting part that connects the lower ends of the pair of left and right side restricting parts and restricts the downward movement of the cable. part; the left and right pair of side restricting parts are located on the outside in the left-right direction compared with the head pipe when viewed from the front; a part of the cable passes through the head pipe and the side on the left side the first gap between the side restraints; the remainder of the cable passes through a second gap between the head tube and the side restraints on the right side.

According to this structure, since the cable and the guide body rotate together with the steering device, it is possible to suppress the stress applied to the cable by the guide body. In addition, only one U-shaped guide body with a simple structure is provided, so compared with the case where two cable fixing metal parts are provided on the left and right sides of the head pipe, not only the bending man-hours and welding man-hours are reduced, but also the The number of parts has been reduced. As a result, manufacturing costs and assembly costs are reduced.

In the present invention, preferably, the lower restricting portion has a V-shape in which a central portion in the vehicle width direction bulges forward in plan view. The head pipe is inclined downward and extends forward, but according to this structure, since the center portion in the vehicle width direction of the lower restricting portion bulges forward, it is possible to prevent the guide body from interfering with the head pipe.

In the present invention, it is preferable that the pair of left and right side restricting parts are located inside the pair of left and right front forks supported by the upper fork when viewed from the front. According to this configuration, the cable passing between the guide body and the head pipe is arranged inside the front fork, so that it becomes inconspicuous, thereby improving the appearance of the vehicle. Also, the cables are not routed between the guide body and the fork, but between the guide body and the head tube, thus preventing the cables from rubbing and damaging the fork.

When the side restricting portion is located inside the front fork, it is preferable that the guide body is disposed more rearward than the front fork. According to this configuration, since the guide body is disposed behind the front fork that is inclined downward and extends, the guide body can be made inconspicuous and the appearance of the vehicle can be improved.

In the present invention, it is preferable to further include an auxiliary guide that guides the cable to the respective gaps in front of the guide body. According to this structure, the cable can be smoothly guided to each gap by the auxiliary guide.

In the present invention, preferably, the cables include cables extending from left and right ends of the handle toward the rear of the vehicle body. Here, the left and right ends of the handle refer to both handles and their vicinity. Although the cable taken out of the handle rotates together with the handle, according to this structure, the guide body also rotates with the handle, so that stress from the guide body to the cable can be effectively suppressed.

The utility model may comprise any combination of at least two structures disclosed in the claims and/or the description and/or the drawings. In particular, the present invention includes any combination of two or more of the claims.

Description of drawings

1 is a side view showing a motorcycle as a straddle-type vehicle according to a first embodiment of the present invention;

Fig. 2 is a front view showing the motorcycle;

Fig. 3 is a top view showing the motorcycle;

Fig. 4 is a plan view showing the front part of the motorcycle with some parts omitted;

Fig. 5 is the front view of Fig. 4;

Fig. 6 is a side view of Fig. 4;

Fig. 7 is a front view showing the cable holding structure of the motorcycle;

Fig. 8 is a plan view showing the cable holding structure;

FIG. 9 is a side view showing the cable holding structure;

Symbol Description:

FR body frame;

4 head pipe;

5 steering shaft;

6 upper fork;

10 front fork;

14 handles;

84 guide body;

86L, 86R side restricting part;

88 Lower limit part;

90 first clearance;

92 second gap;

94, 96 Auxiliary guides;

CA cable.

Detailed ways

The present invention can be clearly understood by the following description of preferred embodiments with reference to the accompanying drawings. However, the embodiments and drawings are only for illustration and description, and should not be used to limit the scope of the present invention. The scope of the present invention is defined by the claims (claims). In the drawings, the same reference numerals in several figures denote the same parts.

Preferred embodiments of the present invention will be described below with reference to the drawings. In this specification, "left side" and "right side" refer to the left and right sides seen by the driver riding on the vehicle. FIG. 1 is a side view showing a motorcycle as a type of straddle-type vehicle according to a first embodiment of the present invention. The body frame FR of the motorcycle has a main frame 1 constituting a front half, and a rear frame 2 connected to the rear portion of the main frame 1 and constituting a rear half.

A head pipe 4 is attached to the front end of the main frame 1 , and a steering shaft (not shown) is rotatably inserted through the head pipe 4 . The upper fork 6 and the lower fork 8 are supported by the main frame 1 through the steering shaft (not shown). The front fork 10 is supported by the upper fork 6 and the lower fork 8 , and the front wheel 12 is supported by the lower end of the front fork 10 . A handle 14 is attached to the upper fork 6 at the upper end of the front fork 10 . The meter unit 15 is arranged in front of the handle 14 and supported on the upper fork 6 through the meter bracket 17 . The head pipe 4 and the front fork 10 incline and extend from above to below.

The rear end of the main frame 1 is inclined rearward and downward, and a rocker bracket 16 is formed on the rear end. The front end portion of the rocker arm 18 is swingably supported by the rocker arm bracket 16 via a pivot shaft 20 . A rear wheel 22 is supported on the rear end portion of the swing arm 18 . The engine E is mounted at a position below the central portion of the main frame 1 in a forward-leaning posture. The engine E drives the rear wheels 22 via a transmission member 21 such as a chain.

The engine E is an internal combustion engine, and is a two-cylinder four-stroke parallel multi-cylinder engine in this embodiment. The engine E has a crankcase 24 supporting a crankshaft (not shown), a cylinder block 26 protruding upward from the crankcase 24 , and a cylinder head 28 above it. Two exhaust pipes 30 protruding from the front surface of the cylinder head 28 are assembled under the engine E, and are connected to an exhaust muffler 32 arranged on the right side of the rear wheel 22 .

A fuel tank 34 is disposed on the upper portion of the main frame 1 . A front surface of the front fork 10 supports a headlight unit 40 . The front cowl 38 made of resin is supported on the headlight unit 40 and covers the front of the head pipe 4 and the upper part of the front fork 10 . A pair of left and right direction indicators 42 are attached to the side of the instrument unit 15 at the rear upper portion of the front cowling 38 .

A radiator 44 for dissipating heat from an engine cooling medium similar to water is disposed on the front obliquely above the engine E. The radiator 44 is in a forward-inclined posture in which the upper part is slightly shifted forward than the lower part. A pair of left and right resin side fairings (shields) 46, 46 are supported on the main frame 1, and extend from the upper side of the radiator 44 to the outer side of the radiator 44 and the outer side of the cylinder head 28 of the engine. . The lower portion of the side cowling 46 is connected to the lower cowling 56 at the front of the lower portion of the engine E. As shown in FIG. The lower cowling 56 covers the lower portion of the engine E and the exhaust pipe 30 from the outside and extends to the lower end of the rocker bracket 16 .

Inside the side cowl 46 , as shown in FIG. 2 , a resin inner cover 58 for closing a gap in the vehicle width direction between the front cowl 38 and the side cowl 46 is arranged. As shown in FIG. 1 , the inner cover 58 is disposed inside the side cowl 46 . An outer cover 59 that covers the main frame 1 from the outside is arranged behind the inner cover 58 . The outer surface of the outer cover 59 is flush with the outer surface of the side fairing 46 .

A driver's seat 60 and a passenger's seat 62 are attached to an upper portion of the rear frame 2 . The control unit CU is mounted below the driver's seat 60 , and its outer side is covered by a side cover 66 .

As shown in FIG. 3 , an ignition switch 36 is disposed in a space between the handle 14 and the meter unit 15 in front of the handle 14 . A clutch lever 68 is attached to the left handle 14 , and the clutch lever 68 is connected to a clutch 70 at the rear of the engine E through a clutch hose (a type of cable) 72 . In addition, a left side switch case 74 is disposed near the inside of the handle of the left handle grip 65L, and a left handle switch 76 is disposed on the left side switch case 74 . The left handle switch 76 is, for example, a switch of the left direction indicator 42 .

The right grip grip 65R is an accelerator grip 78 , and a right grip switch 82 is disposed on a right switch box 80 near the inside of the grip of the right grip 14 . The right handle switch 82 is, for example, a switch for the right direction indicator 42 and the headlight unit 40 .

As shown in Fig. 4, the ignition switch 36 arranged at the front of the vehicle body, the left and right handle switches 76, 82, the accelerator handle 78, and the wiring harness (a kind of cable) 36h, 76h, 82h, 78h, 15h of the instrument unit 15 pass through the It passes inside the side cowl 46 below the fuel tank 34 and extends toward the rear of the vehicle body, and is connected to the engine E and a control unit CU that controls the electric system. These wire harnesses 36h, 76h, 82h, 78h, and 15h together with the clutch hose 72 constitute a cable CA extending rearward from the front of the vehicle body.

As shown in FIGS. 5 and 6 , a guide body 84 for holding a cable CA extending rearward from the front of the vehicle body is arranged in front of the head pipe 4 . The guide body 84 is a member formed by bending a wire rod of a single member, and is formed in a substantially U-shape as shown in FIG. 7 . The guide body 84 has a pair of left and right side restricting portions 86L, 86R for restricting the movement of the cable CA in the left-right direction (vehicle width direction), and the bottom of the lower end portions 86La, 86Ra connecting the left and right side restricting portions 86L, 86R. Limiting section 88 . The downward restricting part 88 restricts the downward movement of the cable CA. The lower restricting portion 88 has a V-shape in which a central portion 88 a in the vehicle width direction bulges forward in a plan view.

In this embodiment, although a steel wire is used as a wire material, it is not limited to this, For example, it may be made of resin. In addition, preferably, the cross-sectional shape of the wire rod is a circle, that is, a circle, an ellipse or a chamfered square. With such a shape, the cable CA will not be rubbed by contact.

Upper end portions 86Lb, 86Rb of the left and right side regulating portions 86L, 86R are fixed to the meter bracket 17 attached to the upper fork 6 ( FIG. 6 ) by welding. With this, the meter bracket 17 and the guide body 84 together constitute the cable holding structure 85 that also has the function of holding the meter. Details of the cable holding structure 85 will be described later. Alternatively, the guide body 84 may be directly welded to the upper fork 6 to be integrally formed with the upper fork 6 .

As shown in FIG. 6 , the guide body 84 is disposed at a position substantially overlapping the front end surface of the head pipe 4 and slightly rearward of the front fork 10 when viewed from the side. Also, as shown in FIG. 5 , in a front view, the pair of left and right side restricting portions 86L, 86R are located on the outside of the head pipe 4 in the left-right direction, and are located between the pair of left and right front forks 10 , 10 . inside. That is, as shown in FIG. 7 , a first gap 90 and a second gap 92 are respectively formed between the head pipe 4 and the left and right side regulating portions 86L, 86R in the left-right direction.

Auxiliary guides 94 , 96 for guiding the cables CA to the left and right of the respective gaps 90 , 92 are provided closer to the front than the guide body 84 . In this embodiment, the auxiliary guides 94 and 96 are formed by bending steel wires, and the left auxiliary guide 94 is formed in a rectangular shape, and the right auxiliary guide 96 is formed in a triangular shape. However, the material and shape of the auxiliary guides 94 and 96 are not limited to these. In addition, the auxiliary guides 94 and 96 may be provided only on the left and right sides, or may not be provided.

Details of the cable holding structure 85 will be described with reference to FIGS. 7 to 9 . As shown in FIG. 8 , the cable holding structure 85 has the instrument bracket 17 , the guide body 84 and auxiliary guides 94 , 96 fixed thereon by welding, and the headlight supporting the headlight unit 40 . Bracket 98. The headlight bracket 98 is made of a flat plate, and is integrated with the meter bracket 17 by welding.

The gauge bracket 17 has two bracket mounting members 100 , 100 constituting a mounting portion to the upper stay 6 , and a gauge mounting member 102 supporting the gauge unit 15 ( FIG. 9 ). The bracket mounting members 100 , 100 and the meter mounting member 102 are connected by a connection member 104 made of a steel wire thicker than the guide body 84 . The bracket mounting members 100, 100 and the instrument mounting member 102 are formed by bending a flat plate, and are respectively fixed to the connecting member 104 by welding.

The two bracket attachment members 100, 100 are arranged side by side in the left-right direction. Bolt insertion holes 100 a , 100 a penetrating in the vertical direction are formed in the bracket attachment members 100 , 100 . As shown in FIG. 9 , upper end portions 86Lb, 86Rb of the left and right side regulation portions 86L, 86R are fixed to the rear portions of the left and right bracket attachment members 100 , 100 by welding. In FIG. 9 , only the bracket mounting member 100 on the left side is shown. As shown in FIG. 8 , left and right auxiliary guides 94 and 96 are fixed to front portions of the left and right bracket attachment members 100 and 100 by welding.

The rear ends of the left and right connecting members 104 and 104 are respectively fixed to the lower surfaces of the left and right bracket attachment members 100 and 100 by welding. As shown in FIG. 9, each connecting member 104 has an extension portion 104a extending obliquely upward from the bracket mounting member 100, and an instrument mounting member fixing portion extending forward or obliquely downward after the front end of the extension portion 104a is bent. 104b, and a headlamp bracket fixing portion 104c bent and extended downward at the front end portion of the meter mounting member fixing portion 104b.

The meter mounting member 102 is fixed to the upper surface of the meter mounting member fixing portion 104b by welding. The meter mounting member 102 has a supported portion 102a fixed to a meter mounting member fixing portion 104b, and a meter mounting surface 102b facing a rider in a mounted state. As shown in FIG. 8 , a plurality of bolt insertion holes 102ba and a harness extraction portion 102bb are formed on the meter mounting surface 102b. In this embodiment, three bolt insertion holes 102ba are provided, and the wire harness take-out part 102bb is comprised by the notch part which was cut|disconnected widely.

As shown in FIG. 9 , a headlight bracket 98 is fixed by welding to the front surface of the headlight bracket fixing portion 104 c. The headlight bracket 98 has a supported portion 98a fixed to the headlight bracket fixing portion 104c, and a headlight attachment piece 98b to which the headlight unit 40 is attached. Bolt insertion holes 98ba are formed in the headlight attachment piece 98b. Weld nuts 98bb are fixed to the surface of the headlight mounting piece 98b on the opposite side to the surface on which the headlight unit 40 is mounted.

Next, the assembly of the cable holding structure 85 to the vehicle body will be described. First, as shown in FIG. 7 , the guide body 84 , the auxiliary guide members 94 , 96 and the headlight bracket 98 are installed on the instrument bracket 17 by welding to integrate them. With this, the assembly As of the cable holding structure 85 is constituted. Next, as shown in FIG. 8 , the lower surface of the upper fork 6 is brought into contact with the bracket attachment members 100 , 100 . In this state, fastening members (not shown) such as bolts are inserted through the bolt insertion holes 100 a from below, and are screwed into screw holes (not shown) formed in the upper fork 6 . By means of this, the assembly As is mounted on the vehicle body.

Next, the meter mounting surface 102 b shown in FIG. 9 is brought into contact with the back surface of the meter unit 15 . In this state, fastening members (not shown) such as bolts are inserted through the bolt insertion holes 102 ba from below, and are screwed into screw holes (not shown) formed in the meter unit 15 . With this, the meter unit 15 is mounted on the assembly As.

Furthermore, the upper part of the headlight unit 40 is supported on the headlight mounting piece 98 b by another bracket 106 . Specifically, the bracket 106 is attached to the unit As by inserting the bolt 108 through the through hole 106a of the bracket 106 and tightening the weld nut 98bb. Next, the upper portion of the headlight unit 40 is supported on the bracket 106 by a fastening member (not shown) such as a bolt. The lower part of the headlight unit 40 is supported on the front fork 10 or the lower fork 8 by known supporting means.

As shown in FIG. 5 , the harness 15 h of the meter unit 15 is taken out from the harness take-out portion 102 bb and passes through the first gap 90 , and then extends rearward as shown in FIG. 4 and is connected to the control unit CU. Moreover, as shown in FIG. 5 , after passing through the second gap 92 , the wire harness 36 h of the ignition switch 36 extends rearward as shown in FIG. 4 and is connected to the control unit CU.

As shown in FIG. 3 , the wire harness 76h and the clutch hose 72 from the left handle switch 76 of the left handle 65L are guided to the first gap 90 by the left auxiliary guide 94 . The wire harness 82h of the right handle switch 82 and the wire harness 78h of the accelerator handle 78 from the right handle 65R are guided to the second gap 92 under the guidance of the right auxiliary guide 96 .

As shown in FIG. 4, the wire harness 76h of the left handle switch 76 and the clutch hose 72, which are cables from the left handle 65L, pass through the first gap 90 shown in FIG. CU. On the other hand, the wire harness 82h of the right handle switch 82 and the wire harness 78h of the accelerator handle 78 shown in FIG. 4 as cables from the right handle 65R pass through the second gap 92 shown in FIG. And connected to the control unit CU.

In the above structure, the cable CA and the guide body 84 shown in FIG. 5 rotate together with the steering device. Therefore, even if the cable CA is taken out from the handle 14 , it is possible to suppress the application of stress to the cable CA due to the contact with the guide body 84 . As shown in FIG. 7, since only the U-shaped guide body 84 of a single member with a simple structure is provided, compared with the case where two cable fixing metal parts are provided on the left and right sides of the head pipe 4, not only the The number of parts is reduced, and bending man-hours and welding man-hours are also reduced. In particular, the cable holding structure 85 also serves to hold the meter unit 15 , and thus reduces the number of parts and assembly man-hours compared to a case where a holding member for the meter unit 15 is provided separately.

As shown in FIG. 8 , the center portion in the vehicle width direction of the lower restricting portion 88 of the guide body 84 bulges forward, so that the guide body 84 can be prevented from interfering with the head pipe 4 that is inclined downward and extends forward.

As shown in FIG. 5 , since the side restricting portions 86L, 86R are located inside the front fork 10 as viewed from the front, the cable CA passing between the guide body 84 and the head pipe 4 is located inside the front fork 10 . With this, the cable CA becomes inconspicuous, improving the appearance of the vehicle. In addition, the cable CA passes between the guide body 84 and the head pipe 4 instead of between the guide body 84 and the front fork 10 , so that the cable CA can prevent the front fork 10 from being abraded.

As shown in FIG. 6 , since the guide body 84 is disposed behind the front fork 10 that is inclined downward and extends forward, the guide body 84 is made inconspicuous and the appearance of the vehicle can be improved.

As shown in FIG. 5 , since auxiliary guides 94 and 96 are provided in front of the guide body 84 , the cables CA can be smoothly guided into the gaps 90 and 92 by the auxiliary guides 94 and 96 .

This invention is not limited to the above-mentioned embodiment, Various additions, changes, or deletions are possible within the range which does not deviate from the summary of this invention. For example, in the above-mentioned embodiment, although the motorcycle of the bare bike type has been described, it can also be applied to other types of motorcycles such as a full fairing. In addition, the present invention is not limited to motorcycles, but can also be applied to other straddle-type vehicles such as tricycles and four-wheel off-road vehicles. In addition, the cable for the headlight unit 40 or the ABS cable can be guided by the guide body 84 . Therefore, such an embodiment is also included in the scope of the present invention.

Claims (6)

1. a Straddle-type vehicle, it is characterized in that, be in the head tube of the front end of body shell, to rotate to insert freely logical steering shaft, in the upper end of described steering shaft, installs fork, on described, pitch the handle that installation turns to use, there is the Straddle-type vehicle of the cable rearward extending from body forward structure;

Possess and be positioned at the place ahead of described head tube and be installed on the guide body of pitching on described;

Described guide body forms U-shaped, and has the side limiting unit of pair of right and left of movement of the left and right directions of the described cable of restriction, be connected described pair of right and left side limiting unit bottom and limit the below limiting unit of the downward movement of described cable;

The side limiting unit of described pair of right and left is positioned at the outside of comparing with described head tube near left and right directions when from top view;

A part for described cable is through the first gap between described head tube and the described side limiting unit in left side;

The remainder of described cable is through the second gap between described head tube and the described side limiting unit on right side.

2. Straddle-type vehicle according to claim 1, is characterized in that, described below limiting unit is the V-shape that overall width direction central portion forwards bloats when overlooking.

3. Straddle-type vehicle according to claim 1 and 2, is characterized in that, the side limiting unit of described pair of right and left is positioned at the inner side of the front fork that is supported in the pair of right and left on described pitching when from forward observation.

4. Straddle-type vehicle according to claim 3, is characterized in that, described guide body is configured in to be compared with described front fork near place, rear.

5. Straddle-type vehicle according to claim 1 and 2, is characterized in that, also possesses at the aid in guide part that described cable is guided to described each gap of comparing with described guide body near place, the place ahead.

6. Straddle-type vehicle according to claim 1 and 2, is characterized in that, described cable comprises the cable extending to vehicle body rear from the left and right end portions of described handle.

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