JP4364117B2 - Protective structure for motorcycle handle lock device - Google Patents

Description

  The present invention relates to an improvement in a handle lock device protection structure for a motorcycle.

As a conventional motorcycle handle lock device protection structure, the lock pin provided in the handle lock mechanism provided on the vehicle body frame side is protected by a protection member provided on the handle lock mechanism side and a protrusion provided on the handle crown side. The thing is known (for example, refer patent document 1).
Japanese Patent Laid-Open No. 10-129555

  In FIG. 2 of Patent Document 1, a tank rail 10 is extended rearward and obliquely downward from the head pipe 6, a bracket 39 is attached to the tank rail 10, and a handle lock mechanism 38 is provided on the upper portion of the bracket 39 with a fixing bolt 40. A main switch 35 is attached, a protection member 36 is attached to the lower portion of the bracket 39 with a fixing bolt 41, a steering shaft (not shown) is rotatably attached to the head pipe 6, and a head crown 17 is attached to the upper portion of the steering shaft. It is described that the peripheral edge of the protrusion 32 provided on the crown 17 and the front edge 36b of the protection member 36 are opposed to each other through a gap and overlap each other in plan view.

Since the main switch 35 is fixed to the bracket 39 with the fixing bolt 40 and the protection member 36 is fixed to the bracket 39 with the fixing bolt 41, the fixing method of the main switch 35 and the protection member 36 is devised. If the number of parts can be reduced, the cost can be reduced.
An object of the present invention is to improve the handle lock device protection structure of a motorcycle, thereby reducing the number of parts and reducing the cost.

Invention, a handle attachable to a front fork pivoted to the head pipe, attaching a steering handle to the front fork, one of the head pipe side for supporting the steering wheel side and the steering wheel according to claim 1 In a motorcycle provided with a lock device and a lock pin provided on the handle lock device so as to be movable forward and backward can be locked to the other, the lock pin of the handle lock device is protected on one of the steering handle side and the head pipe side. a first protective member, Ha Ndorurokku attached to apparatus and fastened together, the top bridge connecting left and right front forks supporting a steering handle, a cowl support stay for supporting the cowl provided in front of the head pipe, the A second protective part extending toward the attachment part to the top bridge of the handle lock device on the cowl support stay The is characterized in that integrally provided.

A handle lock device and a first protective member are attached to one of the steering handle side and the head pipe side by, for example, fastening with bolts, and a lock pin provided to the handle lock device so as to be able to advance and retract is a handle lock device. When protruding from the top, the lock pin is protected by the first protective member to prevent theft.

Further, the mounting portion of the handle lock device to the top bridge is protected by a second protection member provided integrally with the cowl support stay, and the first protection member fastened together with the handle lock device is used to prevent theft. .

The invention according to claim 2, in the above configuration, preferably, provided with a handle lock device in the lower portion of the bets Ppuburijji has a pair of right and left hanging pieces on the first protective member, in this drooping piece, the lock pin It is characterized by covering the outside of the.
The outer side of the lock pin protruding from the handle lock device provided at the lower part of the top bridge is covered with hanging pieces provided on the left and right sides of the first protection member to protect the lock pin and prevent theft .

In the invention according to claim 1, since the first protection member is attached to one of the steering handle side and the head pipe side together with the steering handle lock device, the handle lock device and the first protection member In the present invention, since the handle lock device and the first protective member are fastened together with the same bolt or the like, the number of parts can be reduced and the cost can be reduced. Can be reduced.

In addition, since the second protective member for protecting the attachment portion of the handle lock device to the top bridge is provided on the cowl support stay, the handle lock is combined with the first protective member that is fastened together with the handle lock device. The protection function for the apparatus can be improved.

In the invention according to claim 2, the handle lock device is provided at the lower part of the top bridge, and the outer side of the lock pin is covered with the hanging pieces on the left and right sides of the first protection member. it is possible to close the lock pin and the suspended piece, it is possible to reduce the length of the suspending piece, the first protective member as possible out to the size and weight.

The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. The drawings are viewed in the direction of the reference numerals.
FIG. 1 is a side view of a motorcycle according to the present invention. The motorcycle 10 improves a handle stopper mechanism that regulates the steering angle of the bar handle 11 and protects a handle lock device that locks the steering of the bar handle 11. The cost of the structure is reduced and the protection function is improved, the appearance around the front cowl 12 is enhanced, the volume of the storage box 14 provided below the fuel tank 13 is increased, and the appearance around the storage box 14 is enhanced. The vehicle is characterized by suppressing the sinking when an occupant is seated on the rear part of the seat 16 and increasing the degree of freedom of the arrangement of the helmet holder 18 attached to the rear side of the body frame 17.

  The motorcycle 10 includes a body frame 17 having a head pipe 21 constituting a front end, a main frame 22 extending obliquely downward and rearward from the head pipe 21, and a pair of left and right extending rearward from a rear end portion of the main frame 22. Seat rails 23 and 24 (only the reference numeral 23 on the front side is shown), a pair of left and right down frames 26 and 27 extending substantially downward and rearward from the front end portion of the main frame 22, and obliquely rearward from the rear portion of the main frame 22. A pair of left and right center frames 28 and 31 (only reference numeral 28 shown on the front side) connected to the rear ends of the down frames 26 and 27 by extending downward and downward, the seat rails 23 and 24 and the center frame 28, A pair of left and right subframes 32 and 33 (only the reference numeral 32 on the front side is shown) passed to each of 31. A front fork 36 is rotatably attached to the head pipe 21, a fuel tank 13 is attached to the main frame 22, and a pair of left and right pivot plates 37, 38 attached to the center frames 28, 31 (only the reference numeral 37 on the front side) The rear side guard member which supports the power unit 43 including the engine 41 and the transmission 42 and supports the swing arm 45 so as to be swingable up and down, and is provided on the left side of the seat 16 and the rear side with the seat rails 23 and 24. 46 is a vehicle that supports 46.

  The front fork 36 is formed by connecting a pair of left and right forks 51 and 52 (only the reference numeral 51 on the front side) by a top bridge 53 and a bottom bridge 54 disposed below the top bridge 53. The bar handle 11 and the handle lock device 56 are attached to the top bridge 53 and the bottom bridge 54. A cowl support stay 57 is attached to the top bridge 53 and the bottom bridge 54. The cowl support stay 57 supports the front cowl 12, and the meter 58, inner cowl 61, turn signal. The support stay 62 and the front license plate 63 are supported.

  Here, 65 is a headlamp attached to the front cowl 12, 66 and 67 (only the reference numeral 66 on the front side) is a pair of left and right front winkers attached to the left and right of the winker support stay 62, and 68 is a lower end of the front fork 36. Reference numeral 71 denotes a front fender that covers the upper portion of the front wheel 68.

  The storage box 14 is located between the main frame 22 and the cylinder portion 73 of the engine 41 and is attached to the lower portion of the main frame 22 via a bracket 74, and closes the case 76 having an opening and the opening. The lower part of the fuel tank 13 is covered with an extension 78 extending rearward from the case 76, and further, both sides are covered with a left cover 81 and a right cover (not shown), respectively. .

  The seat 16 has an insertion portion provided in the lower rear portion engaged with an engagement portion on the seat rail 23, 24 side, and a pair of left and right mounting pieces 85, 86 (only the reference numeral 85 on the front side is shown). ) Is bolted to the seat rails 23 and 24 side. Reference numeral 87 denotes a grab rail attached to the rear part of the seat rails 23 and 24.

  The helmet holder 18 is attached to the upper part of the rear side guard member 46, and is a lockable member considering the arrangement so as not to obstruct the feet of the passengers riding on the rear part of the seat 16. Reference numerals 91 and 92 (only the reference numeral 91 on the front side are shown) are bar members extending rearward and obliquely downward from the subframes 32 and 33, and steps 93 and 94 for passengers seated on the rear portion of the seat 16 at the lower ends. (Only the front side reference numeral 93 is shown) is attached, and is connected to the lower part of the rear side guard member 46 via a frame side stay 96.

The engine 41 is obtained by attaching an intake device 102 and an exhaust device 103 to a cylinder head 101 provided in a cylinder portion 73.
The intake device 102 includes a carburetor 106, which is a fuel supply device connected to the upper portion of the cylinder head 101 via an intake pipe 105, and an air cleaner 108 connected to the carburetor 106 via a connecting tube 107. It is arranged in a space surrounded by the seat rails 23 and 24, the center frames 28 and 31 and the sub frames 32 and 33. Needless to say, the carburetor 106 may be an injector or a throttle body of a fuel injection device.

  Here, 111 is an air inlet of the air cleaner 108, 112 is a throttle cable extending from a throttle grip (not shown) provided on the bar handle 11 to the carburetor 106, and 113 is extended from a clutch lever provided on the bar handle 11 to the power unit 43. A clutch cable 114 is a battery disposed on the back side of the air cleaner 108.

  The exhaust device 103 includes an exhaust pipe 115 attached to the lower part of the cylinder head 101 and a muffler 116 attached to the rear end of the exhaust pipe 115. The muffler 116 is attached to the rear bar member 92 and the tip of the bar member 92. It is supported via the attached muffler stay 117.

The swing arm 45 is a member attached to the pivot plates 37 and 38 via the pivot shaft 121, and has a rear wheel 122 and a pair of left and right rear cushion units 123 and 123 at the rear end (only the reference numeral 123 on the front side is shown). The lower end of each is attached. The upper end of the rear cushion unit 123 is attached to rail lower brackets 125 and 125 (only the reference numeral 125 on the front side is shown) attached to the seat rails 23 and 24, respectively. 126 is a chain cover.
The pivot plates 37 and 38 are members provided with power unit support portions 131 to 133 for supporting the upper and rear portions of the power unit 43.

  Here, 137 is a stand, 138 is a rear fender that covers the upper portion of the rear wheel 122 by being attached to the seat rails 23 and 24 and the rail lower brackets 125 and 125, and 141 and 142 (only the reference numeral 141 on the front side is shown). A pair of left and right rear winkers 144 and 146 attached to a winker stay 143 provided on the rear are a rear cover and a tail lamp attached to the rear fender 138.

  FIG. 2 is a side view showing the front part of the motorcycle according to the present invention (the arrow (FRONT in the figure represents the front of the vehicle; the same applies hereinafter)), and the rotation of the bar handle 11 is placed on the upper surface 54a of the bottom bridge 54. A pair of left and right handle stoppers 151 and 152 (only the front side reference numeral 151 is shown) for restricting the corners are provided, and a protrusion 153 that can contact the handle stoppers 151 and 152 is attached to the front end of the lower end of the head pipe 21. It shows that the cowl support stay 57 is provided with a stopper cover 156 to cover the handle stoppers 151 and 152 and the protrusion 153.

The stopper cover 156 prevents pebbles or the like from entering between the handle stopper 151 and the protruding portion 153 and between the handle stopper 152 and the protruding portion 153, and prevents the handle stoppers 151 and 152 and the protruding portion 153 from being exposed to the outside. Thus, the appearance of the front portion of the vehicle is improved.
The handle stoppers 151 and 152, the protruding portion 153, and the stopper cover 156 described above are members constituting the handle stopper mechanism 154.

  The cowl support stay 57 includes a pair of left and right main bars 161 and 162, a meter stay 163 attached to the upper ends of these main bars 161 and 162, and one main bar 162 for protecting the attachment portion of the handle lock device 56. A mounting part protection bar 164 attached to the lower part of the front cowl 12, a winker support stay 62, a cowl lower stay 166 attached to the lower part of the main bars 161 and 162 to support the number plate 63, and main bars 161 and 162. The above-mentioned stopper cover 156 attached to the lower part of the head.

  The meter stay 163 includes a meter support portion 168 for supporting the inner cowl 61 in addition to the meter 58, cowl left and right support portions 171 and 172 for supporting the left and right sides of the front cowl 12 (only the reference numeral 171 on the front side is shown), and a top. A pair of left and right bridge upper mounting portions 174 and 176 (only the front side reference numeral 174 is shown) attached to the upper surface 53a of the bridge 53 with bolts 173 are provided. A plurality of 178 are bolts for attaching the meter 58 and the inner cowl 61 to the meter support portion 168, and 181 and 181 (only the reference numeral 181 on the front side) are mounting holes 54b and 54b provided on the bottom bridge 54 (reference numerals on the front side). 54b is a bridge lower mounting portion provided at the lower end of the main bars 161 and 162 for insertion into the main bar 161 and 162, respectively.

  In FIG. 2, left and right side protrusions 56 a and 56 b (only the front side reference numeral 56 a is shown) provided on the handle lock device 56 at the lower portion of the top bridge 53 are paired with left and right hexagon socket head bolts 185 and 185 (front side). The pin protection member 187 that covers the outer side of the lock pin 186 that is attached to the handle lock device 56 so as to be movable forward and backward is attached to the handle lock device 56 and the hexagon socket head bolt 185. It shows that the lower part of the hexagon socket head cap screw 185 on the back side is covered with the attachment portion protection bar 164 by tightening together at 185.

  The lock pin 186 of the handle lock device 56 has hollow portions 188a, 191a (reference numeral 188a on the front side) of a pair of left and right cylinder parts 188, 191 (only the reference numeral 188 shown on the front side) provided on the upper front part of the head pipe 21. This is a member that can be inserted into (only shown).

  Further, in FIG. 2, the inner cowl 61 is provided with a pair of downwardly extending portions 61a and 61b (only the reference numeral 61a on the near side is shown) extending downward from the left and right of the rear portion, and these downwardly extending portions 61a and 61b are supported by the winker. By attaching to the stay 62 with screws 193 and 193 (only the reference numeral 193 on the front side is shown), the front cowl 12 support portion by the cowl left and right support portions 171 and 172 of the meter stay 163 and the front cowl 12 by the turn signal support stay 62 are provided. In addition, the inner turn cowl 61 covers the front winkers 66 and 67 (only the reference numeral 66 on the front side is shown).

  The winker support stay 62 is a member attached to the cowl lower stay 166 of the cowl support stay 57 so as to be fastened together with the lower attachment portion 12 a of the front cowl 12 with a single bolt 195 and nut 196.

  The number plate 63 is attached to a pair of left and right cylindrical protrusions 197 and 197 (only the front side symbol 197 is shown) attached to the front surface of the winker support stay 62 with bolts 198 (only the front side symbol 198 is shown). It is a thing.

  Here, 201 is a cap nut for attaching the top bridge 53 to the upper end of the steering stem (not shown), 202 and 202 (only the reference numeral 202 on the near side is shown), and the forks 51 and 52 (only the reference numeral 51 on the near side is shown). .) Are bolts for attaching to the top bridge 53, 203 and 203 (only the reference numeral 203 on the front side) are handle support members for supporting the bar handle 11, and 204 and 204 (only the front reference numeral 204 is shown). Nuts for attaching the handle support members 203, 203 to the top bridge 53, 206, a key for operating the handle lock device 56, 207, 207 (only the reference numeral 207 on the front side) is attached to the winker support stay 62, the front winker 66, A nut for attaching 67.

  FIG. 3 is a side view (exploded view) showing the handle lock device protection structure according to the present invention. The top bridge 53 includes a steering stem (not shown) and fork units 51 and 52 (see FIG. 2; (Not shown) to which the bridge body 211 is attached, a substantially L-shaped lower support member 212 attached to the bottom surface of the bridge body 211, and a pair of left and right nuts 213 and 213 attached to the lower support member 212 (front side) Only the reference numeral 213 is shown). In addition, 212a and 212a (only the code | symbol 212a of the near side is shown) is a bolt insertion hole which lets the hexagon socket head bolt 185 pass.

  The handle lock device 56 also serves as a main switch, and is provided with side projections 56a and 56b (the side projection 56b on the back side is not shown) on the side surface of the main body 56c. Reference numeral 56b denotes a portion in which a counterbore portion 56e provided at the end portion of the through hole 56d and the through hole 56d is formed.

  The pin protection member 187 has two mounting holes 187a, and the two hexagon socket bolts 185 are passed through the through holes 56d, the mounting holes 187a, and the bolt insertion holes 212a and into the nuts 213. This is a member that is fastened together with the handle lock device 56 to the top bridge 53 by screwing.

  As shown in FIGS. 1 and 3 above, the present invention provides a bar handle 11 (see FIG. 1) as a steering handle and a head pipe 21 (see FIG. 2) that supports the bar handle 11. Is provided with a handle lock device 56, and a lock pin 186 provided on the handle lock device 56 so as to be movable forward and backward is lockable to the other. In the motorcycle 10, the bar handle 11 side and the head pipe 21 side are provided. On the other hand, a pin protection member 187 as a protection member for protecting the lock pin 186 of the handle lock device 56 is attached together with the handle lock device 56.

  Since the pin protection member 187 is attached to one of the bar handle 11 and the head pipe 21 together with the handle lock device 56, the bar handle 11 and the pin protection member 187 are separately attached with bolts, nuts, or the like. In comparison, in the present invention, since the handle lock device 56 and the pin protection member 187 are attached together with the same hexagon socket head bolt 185, the number of parts can be reduced and the cost can be reduced.

  FIG. 4 is a perspective view of the pin protection member according to the present invention. The pin protection member 187 includes a plate-like bridge-side attachment portion 187b attached to the top bridge 53 (see FIG. 2), and left and right sides of the bridge-side attachment portion 187b. It is a simple press-molding material having a structure in which mounting holes 187a and 187a are formed in the bridge-side mounting portion 187b, which is composed of a pair of left and right hanging pieces 187c and 187d bent from the end and extending downward.

FIG. 5 is an explanatory view for explaining the handle lock device protection structure according to the present invention, and is a view corresponding to the arrow 4 in FIG.
The pin protection member 187 has hanging pieces 187c and 187d arranged on the left and right sides of the lock pin 186 of the handle lock device 56. In the figure, the handle lock device 56 and the pin protection member 187 are positioned when the vehicle travels straight (215 Is a straight line extending in the longitudinal direction of the vehicle), and the lock pin 186 is housed in the handle lock device 56.

  Reference numeral 187e in the drawing is a curved portion recessed in front of the vehicle that connects the rear edges of the left and right drooping pieces 187c and 187d. Thus, by providing the pin protecting member 187 with the curved portion 187e, the pin protecting member 187 and the tube The gap between the portions 188 and 191 is not formed in a straight line, and the lock pin 186 is not easily cut when the lock pin 186 protrudes from the handle lock device 56.

  Further, the cowl support stay 57 provided on the top bridge 53 and the bottom bridge 54 (see FIG. 2) includes a mounting portion protection bar 164 on one main bar 162, and the tip of the mounting portion protection bar 164 is one hexagon. It overlaps with the bolt 185 with a hole, specifically, the hexagonal hole 185a.

  As shown in FIGS. 2 and 5 above, according to the present invention, a cowl support stay 57 for supporting the front cowl 12 (see FIG. 1) is provided in front of the head pipe 21, and a handle lock is provided on the cowl support stay 57. An attachment portion protection bar 164 as a second protection member that extends toward the attachment portion of the device 56 to the top bridge 53, specifically, the hexagon hole 185a of the hexagon socket head cap bolt 185 is integrally provided. To do.

  Since the attachment support bar 164 for protecting the hexagon socket head cap bolt 185 for attaching the handle lock device 56 to the top bridge 53 is provided on the cowl support stay 57, the hexagon socket 185a of the hexagon socket head cap bolt 185 is provided with the attachment protection bar 164. In addition to the pin protection member 187 that is fastened together with the handle lock device 56, the protection function for the handle lock device 56 can be improved.

Next, the operation of the handle lock device protection structure described above will be described.
FIG. 6 is an operation diagram showing the operation of the handle lock device protection structure according to the present invention.
In order to lock the handle, the bar handle is turned to the right by, for example, a maximum angle α from the position when the vehicle is going straight, and together with the bar handle, the top bridge 53, the handle lock device 56, the pin protection member 187, and the mounting portion of the cowl support stay 57 The protective bar 164 is integrally rotated by an angle α.

  Then, when the key is inserted into the handle lock device 56 and turned to the “LOCK” position, the lock pin 186 of the handle lock device 56 projects from the inside to the outside, and the inside of the hollow portion 191a of the one cylindrical portion 191 on the head pipe 21 side. Get in. This completes the handle lock.

  For example, even if it is attempted to cut the lock pin 186 from the gap between the handle lock device 56 and the cylindrical portion 191 with a gold saw for theft as shown by the straight line 217 in the figure, the gold saw will hang down the pin protection member 187. The lock pin 186 must be cut together with the hanging pieces 187c and 187d on the pieces 187c and 187d, which takes a lot of time. Therefore, the anti-theft effect can be enhanced by the hanging pieces 187c and 187d of the pin protection member 187.

  Further, even if the lock pin 186 is to be cut as indicated by the straight line 218 in the drawing, the gold saw is applied to the bridge side mounting portion 187b of the pin protection member 187 and the main body portion 56a of the handle lock device 56. Is difficult to cut.

  Further, even if it is attempted to remove the handle lock device 56 from the top bridge 53 and rotate the hexagon socket head bolt 185, one hexagon socket head bolt 185 can be turned, but the other hexagon socket head bolt 185 has its hexagon socket head 185a. Is covered with the mounting portion protection bar 164, the hexagon wrench cannot be inserted into the hexagon socket 185a, and the hexagon socket bolt 185 cannot be loosened. Therefore, the anti-theft effect can be further enhanced by the attachment portion protection bar 164.

  As shown in FIGS. 1, 3, 4, and 6, the present invention provides a handle lock device 56 that supports the bar handle 11 as a steering handle and connects the left and right of the front fork 36. In addition to being provided at the lower part of the bridge 53, the pin protection member 187 has a pair of left and right hanging pieces 187c, 187d (see also FIG. 4), and the hanging pieces 187c, 187d cover the outside of the lock pin 186. It is characterized by that.

  Since the handle lock device 56 is provided at the lower portion of the top bridge 53 and the outer sides of the lock pins 186 are covered with the hanging pieces 187c and 187d provided on the left and right sides of the pin protection member 187, the lock of the handle lock device 56 which is tightened together is locked. The pin 186 and the hanging pieces 187c and 187d can be brought close to each other, the length of the hanging pieces 187c and 187d can be reduced, and the pin protection member 187 can be made small and light.

  In this embodiment, as shown in FIG. 3, the pin protection member 187 is separated from the top bridge 53. However, the present invention is not limited to this, and the hanging pieces 187c and 187d (reference numeral 187d not shown) are used as the top bridge. 53 may be integrally formed with the lower support member 212.

  Further, as shown in FIG. 5, the attachment portion protection bar 164 is provided on one main bar 162 of the cowl support stay 57, but the present invention is not limited thereto, and the attachment portion protection bar may be provided on the other main bar 161. Good.

  The handle lock device protection structure of the present invention is suitable for a motorcycle.

1 is a side view of a motorcycle according to the present invention. 1 is a side view showing a front portion of a motorcycle according to the present invention. It is a side view showing a handle lock device protection structure concerning the present invention. It is a perspective view of the pin protection member concerning the present invention. It is explanatory drawing explaining the handle lock apparatus protection structure which concerns on this invention. It is an operation view showing an operation of the handle lock device protection structure according to the present invention.

DESCRIPTION OF SYMBOLS 10 ... Motorcycle, 11 ... Steering handle (bar handle), 12 ... Cowl (front cowl), 21 ... Head pipe, 36 ... Front fork, 53 ... Top bridge, 56 ... Handle lock device, 57 ... Cowl support stay, 164... Second protection member (mounting part protection bar), 186... Lock pin, 187... First protection member (pin protection member), 187 c, 187 d.

Claims (2)

Attachable to a front fork pivoted to the head pipe, attaching a steering handle to the front fork, while the handle lock device provided between the head pipe side for supporting the steering wheel side and the steering handle, the handle In a motorcycle in which a lock pin provided on the lock device can freely move back and forth can be locked to the other,
A first protective member for protecting the lock pin of the handle lock device is attached to one of the steering handle side and the head pipe side together with the handle lock device ,
The steering handle is supported by a top bridge that connects the left and right of the front fork, and a cowl support stay that supports a cowl is provided in front of the head pipe. The cowl support stay is connected to the top bridge of the handle lock device. A handle lock device protection structure for a motorcycle, wherein a second protection member extending toward the mounting portion is integrally provided . Provided with the handle locking device in the lower portion of the top bridge has a pair of left and right trailing pieces to said first protective member,
2. The structure for protecting a handle lock device for a motorcycle according to claim 1, wherein the hanging piece covers an outer side of the lock pin .

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