JP6929052B2 - Motorcycle communication equipment antenna arrangement structure - Google Patents

Description

The present invention relates to a structure in which an antenna of a communication device is arranged on a motorcycle having an instrument attached to a component that rotates with the rotation of a handle.

In some motorcycles, an antenna for wireless communication is arranged in the internal space of the instrument cover detachably attached to the instrument body at the front of the vehicle body (for example, Patent Document 1). In Patent Document 1, the space is effectively utilized by arranging the antenna for wireless communication in the internal space of the instrument cover.

Japanese Patent No. 5468879

In Patent Document 1, an antenna for wireless communication is attached to the instrument cover, and the instrument cover is detachably attached to the instrument body. Therefore, the work of attaching the instrument cover to the instrument body becomes complicated and the instrument is attached. If the cover is removed from the instrument body, the antenna will also move away from the vehicle body.

An object of the present invention is to provide a communication antenna arrangement structure for a motorcycle that facilitates attachment to an accessory instrument while arranging an antenna of a communication device on the instrument to effectively utilize space.

In order to achieve the above object, the communication antenna arrangement structure of the motorcycle of the present invention is a structure in which the antenna of the communication device is arranged on the motorcycle having an instrument attached to a component that rotates with the rotation of the handle. A stay is attached to the back surface of the instrument facing forward, the antenna is held by the stay, and accessories of the instrument are held by the stay. The "parts that rotate with the rotation of the handle" are, for example, an upper bracket, an under bracket, and a front fork. An "accessory" is, for example, an instrument cover that covers the front of the instrument.

According to this configuration, since the antenna is held by the instrument, the space in the front part of the vehicle body can be effectively utilized, and the degree of freedom in design setting is improved by effectively utilizing the space. In addition, since the antenna can be held on the stay and the accessories can be fixed to the stay, the accessories can be easily attached to the instrument. Furthermore, since the antenna is held by the stay, the antenna remains on the instrument even if the accessory is removed from the instrument, which is convenient when removing the accessory.

In the present invention, the instrument has a speedometer having a circular display surface and an engine tachometer having a circular display surface, and the instrument is located in a first region on the back surface side of one of the speedometer and the engine tachometer. It is preferable that the antenna is attached, the first connector to which the harness for the instrument is connected is attached to the second region on the back side of the other, and the harness passes below the stay. According to this configuration, since the antenna and the first connector are arranged in the dead space on the back side of the instrument, the space in the front part of the vehicle body can be used more effectively. In particular, since the first and second regions are circular and a large area can be secured, it is easy to arrange the antenna and the first connector, and it is easy to handle the harness connected to the first connector. Further, since the harness passes below the stay, it is easy to prevent the harness from interfering with radio waves.

In this case, it is preferable that a support protrusion projecting forward is formed in the second region, and the accessory is supported by the stay and the support protrusion. According to this configuration, the accessories are supported at a plurality of places separated from each other, so that the accessories are stably supported.

In the present invention, it is preferable that the stay is attached to the instrument with a fastening member, and the fastening member is arranged below the antenna. According to this configuration, it is easy to prevent the fastening member from interfering with radio waves arriving or transmitted above the vehicle body. Furthermore, since the stay is separate from the instrument body, the shape of the stay can be easily changed according to changes in the vehicle type, antenna shape, and the like.

In the present invention, the accessory is an instrument cover that covers the back surface of the instrument, the antenna, and the stay, and it is preferable that the instrument cover is attached to the stay with a fastening member. Here, "covering the back surface of the instrument" means covering at least a part of the back surface and the side surface of the instrument from the front of the vehicle body. According to this configuration, the stay and the antenna are covered with the instrument cover, so that the antenna is protected and the aesthetic appearance is improved. Further, even if the instrument cover has a shape that greatly protrudes forward from the back (front) of the instrument, the stay can be used to support the instrument cover because the instrument cover is attached to the stay with a fastening member. It is not necessary to separately provide a supporting member, and it becomes easy to manage the gap between the instrument and the instrument cover. Further, since the instrument cover is attached to the stay with a fastening member, the antenna remains on the stay even if the instrument cover is removed, so that the instrument cover can be easily removed.

In the present invention, the instrument has a speedometer having a circular display surface and an engine tachometer having a circular display surface, and the instrument has the first region on the back surface side of one of the speedometer and the engine tachometer. An antenna is attached, and a first connector to which a harness for an instrument is connected is attached to a second area on the other rear side, and the accessory is an instrument cover that covers the back surface of the instrument, the antenna, and the stay. The instrument cover includes a first expansion portion that covers the first region and bulges forward, a second expansion portion that covers the second region and bulges forward, and these first and second expansion portions. It is preferable that the flat portion has a flat portion arranged between the two, and the length in the depth direction orthogonal to the display surface is set to be the smallest. According to this configuration, the length of the flat portion in the depth direction is shortened to reduce the size of the cover, and the space of the first and second bulging portions is secured, so that the first connector, antenna, stay, etc. Can be protected.

In the present invention, the wiring connecting the main body of the communication device mounted on the vehicle body and the antenna is connected by a second connector in the middle, and the second connector is arranged in the lamp cover for accommodating the headlamp. It is preferable that it is. According to this configuration, since the second connector is arranged in the lamp cover, the second connector is protected and the second connector is not exposed to the outside, so that the appearance is improved. Further, since the headlamp also rotates with the rotation of the handle, it is possible to prevent a load from being applied to the wiring between the antenna and the second connector.

In the present invention, the stay has a base portion connected to the back surface side of the instrument, an intermediate portion protruding from the base portion and holding the antenna, and a tip portion to which the accessory is connected. It is preferable that a vertical wall connected to the intermediate portion is formed on the back surface of the base portion opposite to the surface in contact with the instrument. According to this configuration, since the intermediate portion holding the antenna is prevented from being displaced by the vertical wall, it is possible to reduce the mounting error when incorporating the stay into the instrument. As a result, the position of the tip portion comes out with high accuracy, so that the assembly accuracy of the accessory with respect to the instrument is improved, the gap between the accessory and the instrument can be easily managed, and the appearance can be easily maintained.

According to the communication device antenna arrangement structure of the motorcycle of the present invention, the antenna of the communication device is arranged on the instrument to effectively utilize the space, and the accessory can be easily attached to the instrument.

It is a side view which shows the front part of the motorcycle which provided the communication equipment antenna arrangement structure which concerns on 1st Embodiment of this invention. It is a perspective view which looked at the meter unit of the motorcycle from the rear diagonally above. It is a top view of the meter unit. It is a front view which shows the front part of the motorcycle. It is a side view which shows the front part of the motorcycle. It is a perspective view which saw the meter unit from the front diagonal side. It is the top view of the state which removed the cover of the meter unit.

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. In the present specification, the "left side" and the "right side" refer to the left and right sides as seen by the driver in the vehicle.

FIG. 1 is a side view showing a motorcycle having a communication device antenna arrangement structure for the motorcycle according to the first embodiment of the present invention. The motorcycle of the present embodiment is a so-called "naked type" motorcycle in which a cowling is not mounted on the front part of the vehicle body. A head pipe 2 is provided at the front end of a main frame 1 forming the front half of a body frame FR of a motorcycle, and an upper bracket 4 is provided via a steering shaft 3 (FIG. 2) rotatably inserted into the head pipe 2. And the under bracket 5 is attached.

The front fork 8 is supported by the upper bracket 4 and the under bracket 5, and the front wheel 9 is supported by the lower end portion of the front fork 8. The handle 10 is attached to the upper bracket 4 at the upper end of the front fork 8. That is, the upper bracket 4, the under bracket 5, and the front fork 8 each constitute a component that rotates with the rotation of the handle 10.

The engine E is attached to the lower part of the main frame 1. The rear wheels (not shown) are driven by the rotational force of the engine E. A fuel tank 12 is arranged on the upper part of the main frame 1, and a seat (not shown) is arranged on the fuel tank 8.

A headlamp 14 is arranged in front of the front fork 8 and is supported by the front fork 8 via a lamp stay 15. Specifically, the headlamp 14 is housed in the lamp cover 16, and the lamp cover 16 is rotatably supported by the front fork 8 via the lamp stay 15. Most of the headlamp 14 except for the front lens portion 14a is housed in the lamp cover 16.

The meter unit 18 is arranged above the headlamp 14 and in front of the upper bracket 4, and is supported by the upper bracket 4 via the instrument bracket 20. That is, the meter unit 18 is arranged in front of the handle 10. The meter unit 18 has an instrument 22 for displaying vehicle information and an instrument cover 24 for covering the front of the instrument. The instrument cover 24 constitutes an accessory of the instrument 22.

FIG. 2 is a perspective view of the meter unit 18 as viewed diagonally upward and backward, that is, from the rider's perspective. The instrument 22 has a speedometer 26 and an engine speedometer 28 arranged in the vehicle width direction, and a liquid crystal display 30 arranged between them. Specifically, the speedometer 26, the liquid crystal display 30, and the engine speed meter 28 are arranged in this order from the left side, and these indicators 26, 28, and 30 are housed in a single housing 32. The liquid crystal display 30 displays vehicle information such as the presence / absence of abnormality, the remaining fuel amount, and the selected transmission gear. The housing 32 is a box-shaped container, and the display surfaces of the indicators 26, 28, and 30 are arranged on the surface facing the rider side.

The speedometer 26 and the engine speedometer 28 are analog indicators having a circular display surface, and have a rotation pointer and a dial. In the present embodiment, the speedometer 26 and the engine speedometer 28 are set to have substantially the same size, but may be different. The liquid crystal display 30 may be of a dot matrix type or a segment type, and in the present embodiment, a portion connecting both 26 and 28 between the speedometer 26 and the engine speedometer 28 (in this embodiment). Shape) is set. However, the outer shape of the liquid crystal display 30 is not limited to this.

As shown in FIG. 3, the instrument cover 24 is made of resin and is detachably attached to the housing 32. The instrument cover 24 includes a first bulging portion 34 that covers the front of the speedometer 26, a second bulging portion 36 that covers the front of the engine speedometer 28, and a flat support portion 38 that covers the front of the liquid crystal display 30. 34, 36, 38 of each of these parts are integrally formed by molding. However, the material and molding method of the instrument cover 24 are not limited to this. The length of the depth direction D1 orthogonal to the display surface is set to be the smallest on the flat surface 38, and is set to be substantially the same for the first and second bulging portions 34 and 36. However, the lengths of the first bulging portion 34 and the second bulging portion 36 may be different.

The first bulging portion 34 has a so-called "bullet shape" in which the speedometer 26 bulges greatly forward from the back surface (front surface) and tapers while smoothly curving toward the front. Similar to the first bulging portion 34, the second bulging portion 36 also bulges greatly forward from the back surface (front surface) of the engine speed meter 28, and is tapered toward the front while being smoothly curved. ". The flat portion 38 is located between the first bulging portion 34 and the second bulging portion 36, and the amount of protrusion forward is smaller than that of both bulging portions 34 and 36, and is rectangular in a plan view. An opening through which the instrument bracket 20 and wiring pass is formed in the lower portion of the flat portion 38.

Specifically, the first bulging portion 34, the second bulging portion 36, and the flat portion 38 are arranged side by side in the vehicle width direction, and the outer shape of the instrument cover 24 is the center line in the vehicle width direction of the flat bearing portion 38. It is symmetrical with respect to the virtual vertical face VS passing through.

FIG. 4 is a front view showing the front part of the vehicle body. In FIG. 4, the headlamp 14 and the instrument cover 24 are omitted. As shown in the figure, a stay 40 is attached to the first region S1 which is a portion covering the back surface of the speedometer 26 on the back surface facing the front of the housing 32, and the antenna 42 of the communication device is held by the stay 40. There is. The first region S1 is covered with the first bulging portion 34. The antenna 42 has a rectangular parallelepiped shape. Since the speedometer 26 is large, it is easy to arrange the antenna 42 on the back side (back side) of the speedometer 26.

The antenna 42 of the communication device is, for example, an antenna of an electronic toll collection system, but is not limited thereto. The stay 40 is attached to the back surface of the speedometer 26 by the first fastening member 50, and also serves to hold the instrument cover 24 (FIG. 3). In the present embodiment, the stay 40 is made of resin, but the material is not limited to this, and may be made of metal, for example. Further, the first fastening member 50 is, for example, a screw body such as a bolt. Details of the stay 40 will be described later.

A first connector 45 to which a harness 44 for an instrument is connected is attached to a second region S2 which is a portion covering the back surface of the engine speed meter 28 on the back surface facing the front of the housing 32. The second region S2 is covered by the second bulging portion 36. Since the engine speed meter 28 is large, it is easy to connect the first connector 45 to the back surface (back side) of the engine speed meter 28. By connecting the first connector 45 to the instrument 22, a signal from the engine control device is transmitted to the instrument 22 through the harness 44. The first connector 45 is detachably set on the instrument 22.

The harness 44 for the instrument extends downward from the back surface of the engine speed meter 28 and is connected to the main harness 46. The harness 44 for the instrument supplies power to the instrument 22, and also displays the vehicle speed displayed on the speedometer 26 from the engine control device, the engine speed displayed on the engine speedometer 28, and the vehicle information displayed on the liquid crystal display 30. Etc. are transmitted to the instrument 22.

On the other hand, the wiring that connects the main body (not shown) of the communication device mounted on the vehicle body and the antenna 42 is connected by the second connector 48. Specifically, the second connector 48 is provided at the end of the antenna side wiring 55 extending from the antenna 42, and the third connector 54 is connected to the end of the main body side wiring 52 branched from the main harness 46. The connector 48 and the third connector 54 are connected. The main body of the communication device (not shown) is arranged, for example, below the seat.

The antenna-side wiring 55 extends downward from the antenna 42, and as shown in FIG. 1, the second connector 48 is arranged in the lamp cover 16 of the headlamp 14. On the other hand, as shown in FIG. 5, the instrument harness 44 passes below the stay 40 and the antenna 42 in a side view and is connected to the main harness 46. The first fastening member 50 is also arranged below the antenna 42. In FIG. 5, the headlamp 14 is omitted.

As shown in FIG. 4, a support projection 56 projecting diagonally forward and downward is formed below the first connector 45 on the back surface of the engine speed meter 28. The support protrusion 56 has a rectangular parallelepiped box shape and is integrally formed with the housing 32 by molding. A cylindrical first cover mounting portion 58 projecting forward is formed at the front end, which is the tip of the support protrusion 56, and a first screw hole 58a is formed in the first cover mounting portion 58. By forming the support protrusion 56 integrally with the housing 32 in this way, it becomes easy to set the positional dimensional accuracy of the first screw hole 58a constituting the support portion of the instrument cover 24 to be high. As a result, it is easy to manage the gap between the instrument 22 and the instrument cover 24, and it is easy to maintain the aesthetic appearance.

However, the support protrusion 56 may be formed separately from the housing 32. In this case, a support protrusion 56 that greatly protrudes from the back surface of the housing 32 in a direction orthogonal to the back surface (diagonally downward in front) is set as a separate component from the housing 32. Therefore, when the housing 32 is molded with the mold resin, the mold can be small, so that the mold tends to be inexpensive.

Further, on the back surface (front surface) of the housing 32, three cylindrical second cover mounting portions 60 projecting diagonally forward and downward are formed. Specifically, the second cover mounting portion 60 is provided at one location in the upper portion of the back surface of the housing 32 in the vehicle width direction and at two locations below the stay 40 and the support protrusion 56 at the lower portion of the back surface of the housing 32. ing. A second screw hole 60a is formed in each second cover mounting portion 60.

The instrument bracket 20 is attached to the back surface of the liquid crystal display 30, that is, the portion between the stay 40 and the support protrusion 56 on the back surface of the housing 32. Specifically, as shown in FIG. 6 in which the instrument cover 24 is omitted, a total of four boss-shaped stay mounting portions 62 are formed at two locations at the upper portion and the lower portion at the central portion in the vehicle width direction on the back surface of the housing 32. A screw hole 62a is formed in each stay mounting portion 62. The instrument bracket 20 is attached to these stay attachment portions 62 by using the screw body 64 shown in FIG.

The meter unit 18 and the instrument bracket 20 are connected via a damper 65 made of an elastic body. The root portion of the instrument bracket 20 is attached to the upper bracket 4 via a bolt 76. Therefore, the meter unit 18 is elastically supported by the upper bracket 4 via the instrument bracket 20.

As shown in FIG. 3, the instrument cover 24 covers the instrument bracket 20, the stay 40, the antenna 42, the instrument harness 44, the first connector 45, and the support protrusion 56. This prevents these devices / members from being exposed to the outside, and protects the stay 40, the antenna 42, the instrument harness 44, and the first connector 45. The mounting structure of the instrument cover 24 will be described later.

Next, the structure of the stay 40 will be described. As shown in FIG. 6, the stay 40 has a base portion 67 connected to the back surface (back surface) of the instrument 22, and an antenna holding portion 68 projecting diagonally forward and downward from the base portion 67. The base portion 67 has a stay mounting portion 66 having a mounting surface along the back surface of the housing 32 of the meter unit 18. Two stay mounting portions 66 are provided side by side in the vehicle width direction. An insertion hole 66a is formed in each stay mounting portion 66.

A cylindrical boss portion 69 is formed at a position corresponding to the stay mounting portion 66 on the back surface of the housing 32 of the meter unit 18. A plurality of reinforcing ribs 69a are formed radially on the outer circumference of the boss portion 69. The first fastening member 50 is inserted into the insertion hole 66a of the stay mounting portion 66 from the front and tightened into the screw hole (not shown) of the boss portion 69, so that the stay 40 is detachably supported by the instrument 22. NS.

The antenna holding portion 68 has an antenna holding surface 68a orthogonal to the mounting surface of the stay mounting portion 66. In the present embodiment, the antenna holding surface 68a faces diagonally upward and forward. In FIG. 7, the stay 40 is shaded, and the antenna holding portion 68 of the stay 40 is substantially rectangular when viewed from above, and the antenna 42 is mounted on both sides of the antenna holding surface 68a. It is held by an adhesive means such as tape.

A notch 68b notched forward is formed at the base end (rear end) of the antenna holding portion 68, and the antenna side wiring 55 extending from the rear end of the antenna 42 passes through the notch 68b. doing. Side walls 70 extending upward are erected on both sides of the antenna holding portion 68 in the vehicle width direction. As shown in FIG. 5, the upward protrusion height of the side wall 70 is maximum on the proximal end side (rear side), gradually decreases toward the distal end side (front side), and is almost zero at the distal end. As a result, it is easy to secure the radio wave detection range R in front of the antenna 42 while reinforcing the stay 40.

The stay 40 further has a cylindrical third cover mounting portion 72 projecting from the tip end portion of the antenna holding portion 68 toward the tip end side (front side). As shown in FIG. 6, the third cover mounting portion 72 protrudes from the central portion in the vehicle width direction of the tip portion of the antenna holding portion 68 toward the tip end side, and constitutes the tip end portion of the stay 40. Further, the antenna holding portion 68 constitutes an "intermediate portion of the stay" between the base portion 67 (stay mounting portion 66) and the tip portion (third cover mounting portion) 72. A third screw hole 72a for mounting the instrument cover 24 is formed in the third cover mounting portion 72.

A vertical wall 74 connected to the antenna holding portion 68 is formed on the back surface 66b of the stay mounting portion 66 on the side opposite to the surface in contact with the instrument 22 via the housing 32. Specifically, the standing wall 74 extends forward from the back surface 66b of the stay mounting portion 66 along the back surface 68c of the antenna holding portion 68 opposite to the antenna holding surface 68a. The standing wall 74 has a triangular shape having two sides, an edge connected to the back surface 66b of the stay mounting portion 66 and an edge connected to the back surface 68c of the antenna holding portion 68, in a side view. The standing wall 74 is provided on the right side of the left stay mounting portion 66 and on the left side of the right stay mounting portion 66.

Next, the mounting structure of the instrument cover 24 will be described. First, as shown in FIG. 4, the instrument bracket 20 is attached to the meter unit 18 using the screw body 64, and the stay 40 is attached to the meter unit 18 using the first fastening member 50. Further, the antenna 42 is held by the stay 40, and the first connector 45 is connected to the instrument 22.

Subsequently, the instrument cover 24 shown by the alternate long and short dash line in FIG. 7 is attached to the instrument 22 by using a second fastening member 75 such as a screw. First, the second fastening member 75 is fastened to the second screw holes 60a of the three second cover mounting portions 60 shown in FIG. 6 from the front of FIG. 7 through the insertion holes (not shown) of the instrument cover 24. Further, an insertion hole (not shown) of the instrument cover 24 is passed through the first screw hole 58a of the first cover mounting portion 58 of the support projection 56 and the third screw hole 72a of the third cover mounting portion 72 of the stay 40 from the front. The second fastening member 75 is tightened. As described above, the instrument cover 24 is detachably attached to the instrument 22. Finally, the instrument bracket 20 shown in FIG. 5 is attached to the upper bracket 4 by the screw body 76, and the meter unit 18 is supported by the vehicle body.

According to the above configuration, since the antenna 42 is held by the instrument 22, the space in the front part of the vehicle body can be effectively utilized, and the degree of freedom in design setting is improved by effectively utilizing the space. Further, since the stay 40 is also used for holding the instrument cover 24, the antenna 42 can be held on the stay 40 and the instrument cover 24 can be fixed to the stay 40, so that the instrument cover 24 can be easily attached to the instrument 22. become. Moreover, since the antenna 42 is held by the stay 40 attached to the instrument 22, the antenna 42 remains on the instrument even if the instrument cover 24 is removed from the instrument 22, which is convenient when removing the instrument cover 24. Further, since the stay 40 is separate from the instrument 22, the shape of the stay 40 can be easily changed according to a change in the vehicle model, a change in the shape of the antenna 42, or the like.

The antenna 42 is attached to the back surface of the speedometer 26 shown in FIG. 4, and the first connector 45 is attached to the engine speedometer 28. In this way, since the antenna 42 and the first connector 45 are arranged side by side in the dead space on the back side of the instrument 22 in the vehicle width direction, the space in the front part of the vehicle body can be used more effectively. Further, since the harness 44 for the instrument passes below the stay 40, it is possible to prevent the harness 44 from interfering with the radio waves.

As shown in FIG. 5, since the first fastening member 50 for attaching the stay 40 to the instrument 22 is arranged below the antenna 42, the first fastening member 50 interferes with the radio wave detection range R of the antenna 42. Can be prevented.

As shown in FIG. 3, since the stay 40, the antenna 42, the first connector 45, and the instrument cable 44 are covered with the instrument cover 24, the antenna 42, the first connector 45, etc. are protected and the aesthetic appearance is improved. do. In particular, in a naked type motorcycle as in the present embodiment, since the front of the instrument 22 is exposed to the outside, the antenna 42 is protected and the aesthetic appearance is improved by arranging the antenna 42 inside the instrument cover 24. The effect is great.

Even if the instrument cover 24 has a cannonball shape that greatly protrudes forward from the instrument 22 as in the present embodiment, the protruding end of the instrument cover 24 is attached to the tip 72 of the stay 40 by the second fastening member 75. Therefore, it is not necessary to separately provide a member for supporting the cover. Further, in addition to the three second cover mounting portions 60 close to the instrument 22 shown in FIG. 7, the instrument 22 and the instrument are fastened by the first cover mounting portion 58 and the third cover mounting portion 72 far from the instrument 22. Gap management with the cover 24 becomes easy. Further, since the instrument cover 24 is supported by the first cover mounting portion 58 and the third cover mounting portion 72 that are separated from each other, it is easy to keep the clearance between the instrument 22 and the instrument cover 24 constant.

The second connector 48 that connects the antenna-side wiring 55 extending from the antenna 42 shown in FIG. 4 and the main body-side wiring 52 from the main body (not shown) of the in-vehicle communication device is the lamp of the headlamp 14 shown in FIG. It is arranged inside the cover 16. As a result, the second connector 48 is protected and the second connector 48 is not exposed to the outside, so that the appearance is improved. In particular, in a naked type motorcycle as in the present embodiment, the effect of protecting the second connector 48 and improving the appearance is great. Further, since the headlamp 14 also rotates with the rotation of the handle 10, it is possible to prevent a load due to bending or pulling from being applied to the antenna side wiring 55 between the antenna 42 and the second connector 48.

As shown in FIG. 6, the stay 40 has a vertical wall 74 connected to the stay mounting portion 66 and the antenna holding portion 68. Since the antenna holding portion 68 that holds the antenna 42 is reinforced by the standing wall 74, it is possible to prevent the antenna holding portion 68 from being displaced when the stay 40 is incorporated into the instrument 22. As a result, the mounting error of the stay 40 can be reduced. As a result, the position of the third cover mounting portion 72 (tip portion) of the stay 40 comes out with high accuracy, so that the assembly accuracy of the instrument cover 24 with respect to the instrument 22 is improved. Therefore, it is easy to manage the gap between the instrument cover 24 and the instrument 22, and it is easy to maintain a good appearance.

Of the first bulging portion 34, the second bulging portion 36, and the flat portion 38 of the instrument cover 24 shown in FIG. 3, the length of the depth direction D1 orthogonal to the display surface is set to be the smallest in the flat portion 38. There is. As a result, the length of the flat portion 38 in the depth direction D1 is shortened, the instrument cover 24 is miniaturized, and the spaces of the first and second bulging portions 34 and 36 are secured, and the antenna 40 and the stay are secured. 42, the first connector 45, the support protrusion 56, etc. can be protected.

The present invention is not limited to the above embodiments, and various additions, changes, or deletions can be made without departing from the gist of the present invention. For example, in the above embodiment, the instrument 22 is supported by the upper bracket 4, but may be supported by the under bracket 5 or the front fork 8. Further, the accessories of the instrument 22 are not limited to the instrument cover 24. In the above embodiment, the instrument 22 has a speedometer 26, an engine speedometer 28, and a liquid crystal display 30, but any one or two may be used, or another measuring instrument or indicator may be used. It may be included. Therefore, such things are also included within the scope of the present invention.

4 Upper bracket (rotating part)
10 Handle 14 Headlamp 16 Lamp cover 22 Instrument 24 Instrument cover (accessory)
40 Stay 42 Antenna 44 Instrument harness 45 1st connector 48 2nd connector 50 1st fastening member 52 Main body side wiring (wiring)
55 Antenna side wiring (wiring)
67 Base 68 Antenna holding part (intermediate part)
72 Third cover mounting part (tip part)
74 Standing wall 75 Second fastening member S1 First area S2 Second area

Claims (8)

It is a structure in which the antenna of a communication device is arranged on a motorcycle having an instrument attached to a part that rotates with the rotation of the handle.
A stay is attached to the back of the instrument facing forward,
The antenna is held by the stay,
The stay holds the accessories of the instrument,
The accessory is an instrument cover that covers the front of the instrument.
The instrument cover bulges forward from the instrument and tapers while smoothly curving forward.
A communication device antenna arrangement structure for a motorcycle in which the antenna is arranged inside the instrument cover in the front-rear direction and the up-down direction of the vehicle body. In the communication device antenna arrangement structure according to claim 1, the instrument has a speedometer having a circular display surface and an engine tachometer having a circular display surface.
The antenna is attached to the first region on the back side of one of the speedometer and the engine tachometer, and the first connector to which the harness for the instrument is connected is attached to the second region on the back side of the other.
A communication device antenna arrangement structure for a motorcycle in which the harness passes below the stay. It is a structure in which the antenna of a communication device is arranged on a motorcycle having an instrument attached to a part that rotates with the rotation of the handle.
A stay is attached to the back of the instrument facing forward,
The antenna is held by the stay,
The stay holds the accessories of the instrument and
The instrument has a speedometer having a circular display surface and an engine tachometer having a circular display surface.
The antenna is attached to the first region on the back side of one of the speedometer and the engine tachometer, and the first connector to which the harness for the instrument is connected is attached to the second region on the back side of the other.
The harness passes below the stay and
A support protrusion projecting forward is formed in the second region.
A communication device antenna arrangement structure for a motorcycle in which the accessory is supported by the stay and the support protrusion. It is a structure in which the antenna of a communication device is arranged on a motorcycle having an instrument attached to a part that rotates with the rotation of the handle.
A stay is attached to the back of the instrument facing forward,
The antenna is held by the stay,
The stay holds the accessories of the instrument and
The stay is attached to the instrument with a fastening member and
The fastening member is a communication device antenna arrangement structure for a motorcycle, which is arranged below the antenna. In the communication device antenna arrangement structure according to any one of claims 1 to 4, the accessory is an instrument cover that covers the back surface of the instrument, the antenna, and the stay.
A communication device antenna arrangement structure for a motorcycle in which the instrument cover is attached to the stay with a fastening member. It is a structure in which the antenna of a communication device is arranged on a motorcycle having an instrument attached to a part that rotates with the rotation of the handle.
A stay is attached to the back of the instrument facing forward,
The antenna is held by the stay,
The stay holds the accessories of the instrument and
The instrument has a speedometer having a circular display surface and an engine tachometer having a circular display surface.
The antenna is attached to the first region on the back side of one of the speedometer and the engine tachometer, and the first connector to which the harness for the instrument is connected is attached to the second region on the back side of the other.
The accessory is an instrument cover that covers the back surface of the instrument, the antenna, and the stay.
The instrument cover includes a first expansion portion that covers the first region and bulges forward, a second expansion portion that covers the second region and bulges forward, and the first and second expansion portions. It has a flat part arranged between them,
The length in the depth direction orthogonal to the display surface is the communication device antenna arrangement structure of the motorcycle in which the flat portion is set to be the smallest. In the communication device antenna arrangement structure according to any one of claims 1 to 6, the wiring connecting the main body of the communication device mounted on the vehicle body and the antenna is connected by a second connector in the middle.
A communication device antenna arrangement structure for a motorcycle in which the second connector is arranged in a lamp cover for accommodating a headlamp. It is a structure in which the antenna of a communication device is arranged on a motorcycle having an instrument attached to a part that rotates with the rotation of the handle.
A stay is attached to the back of the instrument facing forward,
The antenna is held by the stay,
The stay holds the accessories of the instrument and
The stay has a base portion connected to the back surface side of the instrument, an intermediate portion protruding from the base portion and holding the antenna, and a tip portion to which the accessory is connected.
A communication device antenna arrangement structure for a motorcycle in which a standing wall connected to the intermediate portion is formed on the back surface of the base portion opposite to the surface in contact with the instrument.

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