JP2013241124A - Headlight support structure of motorcycle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a headlight support structure of a motorcycle, configured to improve security effect without exposing a bolt for attaching an ignition switch to the outside.SOLUTION: In a headlight support structure of a motorcycle, an ignition switch (16) has a fixed part (162) to be fixed to an upper bracket (13). A headlight housing (17) is attached to the upper bracket (13) via a fixed part (162) of the ignition switch (16).

Description

  The present invention relates to a motorcycle headlamp support structure, and more particularly to an ignition switch mounted on a motorcycle and a headlamp housing mounting structure.

  Conventionally, an ignition switch (main switch) of a motorcycle and a headlamp housing that supports the headlamp on the vehicle body are fixed to an upper bracket (steering bracket) independently of each other. FIG. 8 is a view for explaining an example of a conventional ignition switch and headlamp housing mounting structure. As shown in FIG. 8, the ignition switch 802 is fixed by fastening a bolt 803 to a boss 802 a provided on the ignition switch 802 and a mounting boss 801 b provided on the upper bracket 801. The headlamp housing 804 that supports the headlamp 805 on the vehicle body is fixed by inserting a rubber cap 804 a provided on the headlamp housing 804 into a boss 801 a provided on the upper bracket 801. The headlamp housing 804 may be fastened and fixed to the upper bracket 801 using bolts (see, for example, Patent Document 1).

JP 63-173776 A

  However, according to the above-described prior art, the motorcycle does not have a cover that covers the vehicle body in particular, and the steering part, meter, headlamp, etc. are exposed. 803 is visible from the outside, and there is a possibility that unauthorized access to the ignition switch 802 may be easily made. Therefore, in order to prevent such unauthorized access, it is necessary to take measures such as using an expensive specially shaped bolt.

  The present invention has been made in view of this point, and an object of the present invention is to provide a headlamp support structure for a motorcycle that can enhance the crime prevention effect without exposing an ignition switch mounting bolt to the outside.

  The motorcycle headlamp support structure according to the present invention includes a frame having a head pipe, an upper bracket rotatably supported by the head pipe, an ignition switch fixed to the upper bracket, and the head lamp supported by the vehicle body. A headlamp support structure for a motorcycle having a headlamp housing, wherein the ignition switch has a fixing portion fixed to the upper bracket, and the headlamp housing is connected to the upper via the fixing portion. It is attached to a bracket.

  According to this configuration, since the headlamp housing is attached to the upper bracket via the fixing portion for fixing the ignition switch to the upper bracket, the headlamp housing mounting portion is overlapped on the ignition switch mounting component. Since it can be arranged, the parts for mounting the ignition switch are not exposed to the outside, and it is possible to prevent unauthorized access and enhance the crime prevention effect.

  Further, according to this configuration, since the headlamp housing is attached to the upper bracket via the fixing portion of the ignition switch, it is not necessary to separately provide a structure for attaching the headlamp housing to the upper bracket, and Since it is not necessary to attach the headlamp housing to the upper bracket while avoiding the ignition switch, the degree of freedom in layout is increased, and the parts can be simplified, reduced in size and reduced in weight.

  In the motorcycle headlamp support structure, the fixing portion includes an insertion hole into which a bolt fastened to the upper bracket is inserted, and an accommodating portion that accommodates a head portion of the bolt, and the headlamp housing Is preferably supported by the fixing portion with an attachment portion arranged so as to close the housing portion.

  In this case, since the mounting portion of the headlamp housing is arranged so as to close the housing portion, the bolt for fixing the ignition switch to the upper bracket cannot be visually recognized from the outside. Is difficult to identify, and it is necessary to remove the headlamp housing in order to access the bolt from the outside, and the work takes time. Therefore, it is possible to prevent unauthorized access and enhance the crime prevention effect.

  In addition, since the fixing portion includes an accommodating portion that accommodates the head of the bolt, the entire bolt is covered with the accommodating portion, and the fixing strength of the fixing portion increases and durability against external damage is improved. It becomes possible. And since the head of the said bolt is concealed from the outside, it becomes difficult to cut | disconnect a bolt and it becomes possible to improve a crime prevention effect.

  For example, in the motorcycle headlamp support structure, the mounting portion has a rod shape and is inserted into the housing portion. In this case, since the headlamp housing is supported by the fixed portion by inserting the mounting portion into the housing portion, the support structure of the ignition switch and the headlamp housing can only be inserted and removed, so both are processed separately. This makes it possible to improve productivity.

  In particular, in the motorcycle headlamp support structure, it is preferable that the attachment portion is provided with an elastic member at the tip. In this case, since an elastic member can be interposed between the housing portion and the mounting portion inserted into the housing portion, damage to the headlamp due to vibration of the motorcycle and contact noise between components can be reduced. Is possible. Moreover, since an elastic member can be functioned as a cap of an accommodating part, since adhesion of mud and water to a bolt can be prevented, the rust prevention and durability improvement of a bolt are realizable.

  According to the present invention, the bolt for mounting the ignition switch is not exposed to the outside, and the crime prevention effect can be enhanced.

1 is a left side view of a motorcycle according to the present embodiment. Fig. 3 is a left side view around the upper bracket in the motorcycle according to the present embodiment. It is the figure which looked at the upper bracket periphery in the motorcycle concerning this embodiment from diagonally forward. FIG. 6 is a left side view of the periphery of the upper bracket when the headlamp is removed from the motorcycle according to the present embodiment. It is the figure which looked at the upper bracket periphery at the time of removing a headlamp from the motorcycle which concerns on this Embodiment from back diagonally downward. It is a figure for demonstrating the attachment structure of the ignition switch which concerns on this Embodiment, and a headlamp housing. It is a cross-sectional schematic diagram which shows the state which attached the ignition switch and headlamp housing which concern on this Embodiment. It is a figure explaining the attachment structure of the conventional ignition switch and a headlamp housing.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following, an example in which the headlamp support structure according to the present invention is applied to a naked type motorcycle will be described, but the application target of the present invention can be changed without being limited thereto. For example, you may apply to the support structure of the headlamp of another type of motorcycle.

  With reference to FIG. 1, a schematic configuration of the entire motorcycle 1 according to the present embodiment will be described. FIG. 1 is a left side view of a motorcycle 1 according to the present embodiment. In the drawings shown below, the front side of the vehicle body is indicated by an arrow FR and the rear side of the vehicle body is indicated by an arrow RE as appropriate.

  As shown in FIG. 1, a motorcycle 1 according to the present embodiment includes a frame 2 made of steel or aluminum alloy on which components such as a power unit and an electrical system are mounted. The frame 2 includes a head pipe 21 (not shown in FIG. 1, refer to FIG. 2) and a pair of tank rails 22 extending obliquely downward from the head pipe 21 toward the rear of the vehicle body. An engine 3 serving as a drive source for the motorcycle 1 is suspended from the tank rail 22 of the frame 2. On the other hand, the fuel tank 4 is disposed above the tank rail 22. A vehicle body cover 5 is provided in front of the engine 3 as a vehicle body exterior.

  A front fork 6 is rotatably connected to the head pipe 21 of the frame 2. The front fork 6 is provided with a handle bar 8 for steering the front wheels 7. A clutch lever 81 is disposed on the left front side of the handle bar 8, and a brake lever (not shown) for the front wheel 7 is disposed on the right front side of the handle bar 8. A mirror 9 for confirming the rear of the vehicle body is attached to a part of the handle bar 8. In front of the front fork 6, a headlamp 10, a pair of left and right direction indicator lamps 11, and a meter 12 are arranged. The head lamp 10, the direction indicator lamp 11, and the meter 12 are directly or indirectly attached to an upper bracket 13 to which upper ends of the left and right front forks 6 are fixed.

  Here, the configuration around the upper bracket 13 of the motorcycle 1 according to the present embodiment will be described. FIG. 2 is a left side view of the periphery of the upper bracket 13 included in the motorcycle 1 according to the present embodiment. FIG. 3 is a view of the periphery of the upper bracket 13 included in the motorcycle 1 according to the present embodiment as viewed obliquely from above and forward. For convenience of explanation, the fuel tank 4 is omitted in FIG. 2, and the meter 12 is omitted in FIG.

  As shown in FIG. 2, the frame 2 includes a head pipe 21 at the front end portion of the tank rail 22. A steering shaft 21a is inserted inside the head pipe 21 (see FIG. 3). The steering shaft 21a is provided so as to extend in the vertical direction of the vehicle body, and is rotatably supported by the head pipe 21. An upper bracket 13 and an under bracket 14 are provided at the upper end portion and the lower end portion of the steering shaft 21a, respectively.

  As shown in FIG. 3, the upper bracket 13 has a long shape extending generally in the left-right direction of the vehicle body. The under bracket 14 also has substantially the same shape (see FIG. 5). The front fork 6 is fixed in a state of being inserted through insertion holes formed in the vicinity of the side end portions of the upper bracket 13 and the under bracket 14. The front fork 6 is connected to the steering shaft 21a via the upper bracket 13 and the under bracket 14. The upper bracket 13 and the under bracket 14 that hold the front fork 6 are configured to be turnable to the left and right of the vehicle body around the steering shaft 21a.

  The headlamp 10 includes a base 101 that supports a lamp (not shown), a lens 102 that is attached to the base 101 and covers the entire surface of the lamp, and a cover 103 that mainly covers side surfaces of the lens 102 and the base 101. Consists of. The headlamp 10 is attached to the upper bracket 13 and the under bracket 14 via a headlamp housing 17 described later (see FIG. 4).

  A harness 15 used for power supply from a battery mounted on the motorcycle 1 is connected to electrical components such as the headlamp 10 and the meter 12. These harnesses 15 are led out from between the upper bracket 13 and the under bracket 14 to the vehicle body rear side. The harness 15 extends rearward while being partly held at a predetermined position of the tank rail 22, and is connected to the battery.

  Further, as shown in FIGS. 2 and 3, an ignition switch 16 is attached to the upper bracket 13. The ignition switch 16 is disposed near the center of the upper bracket 13 and on the front side of the steering shaft 21a. The ignition switch 16 is attached from the lower side of the upper bracket 13. The upper bracket 13 is provided with a hole corresponding to the shape of the ignition switch 16. An upper end portion of a main body portion 161 of an ignition switch 16, which will be described later, is exposed from this hole. On the lower side of the main body 161, as shown in FIG. 3, a pair of left and right fixing portions 162 described later is provided. The configuration of the ignition switch 16 will be described later.

  FIG. 4 is a left side view of the periphery of the upper bracket 13 when the headlamp 10 is removed from the motorcycle 1 according to the present embodiment. FIG. 5 is a view of the periphery of the upper bracket 13 when the headlamp 10 is removed from the motorcycle 1 according to the present embodiment as viewed obliquely from behind. As shown in FIG. 4, the headlamp 10 is attached to a headlamp housing 17 disposed between the upper bracket 13 and the under bracket 14. The headlamp housing 17 is a member for supporting the headlamp 10 on the vehicle body.

  As shown in FIGS. 4 and 5, the headlamp housing 17 is bent from a direction indicator lamp support portion 171 composed of a pair of left and right plate-like members extending in the vertical direction and a front end portion of the direction indicator lamp support portion 171. An upper headlamp support portion 172 that is formed and extends in the vertical direction, a rod-shaped lower headlamp support portion 173 that extends from the lower end portion of the direction indicator lamp support portion 171, and the direction indicator lamp support portion 171. An upper headlamp housing support portion 174 provided to extend inward (ignition switch 16 side) and a lower headlamp housing support portion 175 provided to extend inward from a part of the lower headlamp support portion 173. Have.

  The direction indicator lamp 11 is attached to the direction indicator lamp support portion 171. The upper headlamp support portion 172 and the lower headlamp support portion 173 are portions for supporting the headlamp 10 on the headlamp housing 17 and support the upper end portion and the lower end portion of the headlamp 10, respectively. The upper headlamp housing support portion 174 and the lower headlamp housing support portion 175 are portions for supporting the headlamp housing 17 on the vehicle body, and generally have a rod shape.

  As shown in FIG. 5, a mounting portion 174 a to be described later is provided at an inner end portion of the upper headlamp housing support portion 174 and is inserted into the fixing portion 162 of the ignition switch 16. The inner end of the lower headlamp housing support 175 extends slightly downward. These ends are held by the under bracket 14.

  Here, the support structure of the headlamp 10 according to the present embodiment, that is, the mounting structure of the ignition switch 16 and the headlamp housing 17 will be described in detail. FIG. 6 is a view for explaining a mounting structure of the ignition switch 16 and the headlamp housing 17 included in the motorcycle 1 according to the present embodiment. FIG. 7 is a schematic cross-sectional view showing a state in which the ignition switch 16 and the headlamp housing 17 included in the motorcycle 1 according to the present embodiment are attached.

  As shown in FIG. 6, in the headlamp housing 17, the upper headlamp housing support portion 174 is provided so as to extend from the upper end portion of the direction indicator lamp support portion 171 to the rear side of the vehicle body. The tip portion of the upper headlamp housing support 174 is bent so as to be parallel to the vertical direction. Further, a mounting portion 174a made of an elastic member such as rubber is provided at the tip portion of the upper headlamp housing support portion 174. The mounting portion 174a has a cylindrical portion that is tapered and has a generally cylindrical shape, and a flange portion that is provided at the lower end of the cylindrical portion.

  The ignition switch 16 includes a main body portion 161 and a fixing portion 162 that is integrally provided on the rear side of the lower end portion of the main body portion 161. The main body 161 is inserted with an ignition key and used for turning on / off the main switch and starting the starter motor. The fixed part 162 has a generally cylindrical shape. The fixing portion 162 is provided with an insertion hole 162a that functions as a boss and a counterbore portion 162b that serves as a housing portion. The insertion hole 162a is provided above the counterbore part 162b.

  A bolt 18 fastened to the upper bracket 13 is inserted into the insertion hole 162a. The insertion hole 162 a is configured with an inner diameter that functions as a bolt hole of the bolt 18. The counterbore 162b is configured to have a counterbore depth deeper than the height of the head 181 of the bolt 18. The inner diameter of the spot facing portion 162b is configured to be substantially the same as the outer diameter of the column portion of the mounting portion 174a of the upper headlamp housing support portion 174, and is configured to be smaller than the outer diameter of the flange portion of the mounting portion 174a. .

  A mounting boss 131 having a columnar shape is provided on the front side of the lower surface of the upper bracket 13. The mounting boss 131 extends downward from the lower surface of the upper bracket 13, and a fixing hole 131 a is formed on the lower end surface thereof. The fixing hole 131a is used for fastening the bolt 18 described above.

  In the mounting structure of the ignition switch 16 and the headlamp housing 17 according to the present embodiment, first, the ignition switch 16 is fixed to the mounting boss 131 provided in the upper bracket 13 by the insertion hole 162a provided in the fixing portion 162. It arrange | positions so that the hole 131a may be opposed. Then, the ignition switch 16 is fixed to the upper bracket 13 by fastening the bolt 18 inserted through the insertion hole 162a to the fixing hole 131a (see FIG. 7).

  Subsequently, the attachment portion 174 a of the upper headlamp housing support portion 174 is press-fitted into the counterbore portion 162 b of the fixing portion 162. The press-fitting is completed when the flange portion of the attachment portion 174a comes into contact with the lower surface of the fixing portion 162, as shown in FIG. Thus, the ignition switch 16 and the headlamp housing 17 are attached to the upper bracket 13 by pushing the attachment portion 174a of the upper headlamp housing support portion 174 to the end.

  According to this attachment structure, the headlamp housing 17 is attached to the upper bracket 13 via the fixing portion 162 for fixing the ignition switch 16 to the upper bracket 13, so that the headlamp is attached to the bolt 18 for attaching the ignition switch 16. An upper headlamp housing support portion 174 as a mounting portion of the housing 17 can be disposed in an overlapping manner. Therefore, the bolt 18 for attaching the ignition switch 16 is not exposed to the outside, and the crime prevention effect can be enhanced.

  Further, since the headlamp housing 17 is attached to the upper bracket 13 via the fixing portion 162 of the ignition switch 16, it is not necessary to separately provide a structure for attaching the headlamp housing 17 to the upper bracket 13, and It is not necessary to attach the headlamp housing 17 to the upper bracket 13 while avoiding the ignition switch 16. As a result, the degree of freedom of layout in the upper bracket 13 is increased, and the parts can be simplified, reduced in size, and reduced in weight. For example, a meter bracket or the like that is fastened together with the cable guide is disposed on the back surface side of the upper bracket 13, and the layout flexibility of these members can be improved.

  The mounting of the headlamp housing 17 is completed by inserting (press-fitting) the mounting portion 174a of the upper headlamp housing support portion 174 into the counterbore portion 162b of the fixing portion 162. That is, since the support structure of the ignition switch 16 and the headlamp housing 17 can only be inserted and removed, it is possible to improve productivity without requiring separate processing for both.

  As shown in FIG. 7, the ignition switch 16 is fixed to the upper bracket 13 by fastening the bolt 18 through the insertion hole 162 a of the fixing portion 162. The counterbore 162b continuously provided in the insertion hole 162a has a counterbore depth deeper than the height of the head 181 of the bolt 18, so that the entire bolt 18 is covered by the counterbore 162b. It becomes. Thereby, the fixing strength of the fixing portion 162 is increased, and durability against damage from the outside can be improved. Moreover, since the head 181 of the bolt 18 is concealed from the outside, the bolt 18 is difficult to be cut, and the crime prevention effect against unauthorized access can be enhanced.

  Moreover, as shown in FIG. 7, the opening part of the spot facing part 162b is covered with the flange part of the attaching part 174a. Thus, the bolt 18 for fixing the ignition switch 16 to the upper bracket 13 is visually recognized from the outside by arranging the mounting portion 174a of the upper headlamp housing support portion 174 so as to block the counterbore portion 162b. Can not be. Therefore, it is difficult to specify the position of the bolt 18 and it is necessary to remove the headlamp housing 17 in order to access the bolt 18 from the outside, and it takes time to work. Therefore, it is possible to improve the crime prevention effect against unauthorized access. Become.

  When the bolt 803 can be visually recognized from the outside as in the past, the bolt 803 cannot be easily removed. As the bolt 803, a special bolt bolt 803, Torx (registered trademark) head bolt or the like is used. It was necessary to use shaped bolts (see FIG. 8). However, according to the mounting structure according to the present embodiment, since the bolt 18 cannot be visually recognized from the outside, it is not necessary to use a specially shaped bolt, and a general bolt can be used. .

  Further, since the mounting portion 174a of the headlamp housing 17 (upper headlamp housing support portion 174) is made of an elastic member, damage to the headlamp 10 due to vibration of the motorcycle 1 and contact noise between components are reduced. It becomes possible to do. Moreover, since the attachment part 174a comprised with an elastic member can be functioned as a cap of the spot facing part 162b, since adhesion of mud and water to the bolt 18 can be prevented, the rust prevention and durability of the bolt 18 are improved. Can be realized.

  As described above, according to the headlamp support structure for a motorcycle according to the present embodiment, the headlamp housing 17 is attached to the upper bracket 13 via the fixing portion 162 for fixing the ignition switch 16 to the upper bracket 13. As a result, the head lamp housing mounting part can be placed on the ignition switch 16 mounting part, so that the ignition switch 16 mounting part is not exposed to the outside and the crime prevention effect can be enhanced. It becomes.

  In addition, this invention is not limited to the said embodiment, It can implement variously. In the above-described embodiment, the size, shape, and the like illustrated in the accompanying drawings are not limited thereto, and can be appropriately changed within a range in which the effect of the present invention is exhibited. In addition, various modifications can be made without departing from the scope of the object of the present invention.

  For example, in the above-described embodiment, the structure in which the ignition switch 16 is attached to the upper bracket 13 has been described. However, the ignition switch 16 is not limited to this structure and can be appropriately changed. For example, the ignition switch 16 may be structured to be attached to the under bracket 14.

DESCRIPTION OF SYMBOLS 1 Motorcycle 2 Frame 21 Head pipe 21a Steering shaft 22 Tank rail 3 Engine 4 Fuel tank 5 Car body cover 6 Front fork 7 Front wheel 8 Handlebar 9 Mirror 10 Headlamp 101 Base 102 Lens 103 Cover 11 Direction indicator 12 Meter 13 Upper bracket 131 Mounting boss 131a Fixing hole 14 Under bracket 15 Harness 16 Ignition switch 161 Main body part 162 Fixing part 162a Insertion hole 162b Counterbore part 17 Head lamp housing 171 Direction indicator lamp support part 172 Upper head lamp support part 173 Lower head lamp support part 174 Upper headlamp housing support portion 174a Mounting portion 175 Lower headlamp housing support portion 18 Bolt 181 Head

Claims (4)

A motorcycle headlamp having a frame having a head pipe, an upper bracket rotatably supported by the head pipe, an ignition switch fixed to the upper bracket, and a head lamp housing for supporting the head lamp on a vehicle body. A support structure,
The motorcycle headlamp support structure according to claim 1, wherein the ignition switch has a fixing portion fixed to the upper bracket, and the headlamp housing is attached to the upper bracket via the fixing portion.   The fixing portion includes an insertion hole through which a bolt fastened to the upper bracket is inserted, and a housing portion that houses a head portion of the bolt, and the headlamp housing is disposed so as to close the housing portion. The motorcycle headlamp support structure according to claim 1, wherein the mounting portion is supported by the fixed portion.   3. The motorcycle headlamp support structure according to claim 2, wherein the mounting portion has a rod shape and is inserted into the housing portion. The motorcycle headlamp support structure according to claim 3, wherein an elastic member is provided at a tip of the attachment portion.

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