JP5521896B2 - Motorcycle key cylinder arrangement structure - Google Patents

Description

  The present invention relates to a key cylinder arrangement structure for a motorcycle provided with a lock mechanism for locking a lid with a closed storage space and a key cylinder for unlocking the lock mechanism.

  2. Description of the Related Art A motorcycle having a storage chamber disposed below a seat is known. Such a motorcycle includes a seat as a lid for closing and opening the storage chamber, a lock mechanism for locking the seat with the storage chamber closed, and a key cylinder for unlocking the lock mechanism. And a key cylinder is provided in a rear fender while being arrange | positioned inside the cover which covers a vehicle body rear half part (for example, refer patent document 1).

JP 2004-11257 A

  A key cylinder inserts a key and rotates it to unlock it, and has a mechanical structure. For this reason, the key cylinder may be difficult to unlock or cannot be unlocked if moisture such as rain or foreign matter such as mud that the wheel jumps into the key cylinder through the keyhole or other gaps. is there.

  For example, a key cylinder arrangement structure for a motorcycle described in Patent Document 1 includes a rear fender having an insertion hole for passing a key, and a key cylinder provided in the rear fender. The key cylinder arrangement structure of the motorcycle described in Patent Document 1 not only has a key insertion hole in the rear fender that receives mud and the like that the rear wheel jumps up, but also because the wall surface of the rear fender having the insertion hole faces the rear wheel. , Foreign matter such as mud that the rear wheel jumps up will adhere to the periphery of the key cylinder and the insertion hole.

  If foreign matter adhering to the key cylinder is pushed into the key cylinder as the key is inserted, the key cylinder will malfunction. On the other hand, foreign matter adhering to the periphery of the key insertion hole may indirectly enter the key cylinder through the key, or may be attached to the hand of the person who performs the unlocking operation of the key and may cause discomfort.

  Therefore, an object of the present invention is to propose a key cylinder arrangement structure for a motorcycle that can prevent adhesion of foreign matters such as moisture and mud to the key cylinder and the surroundings that are approaching when the key cylinder is unlocked.

  In order to solve the above problems, a key cylinder arrangement structure for a motorcycle according to the present invention includes a body frame, a swing arm pivotally supported by the body frame, a rear wheel pivotally supported by the swing arm, and the rear A rear fender that covers the top of the wheel, a pair of left and right covers that divide the storage space above the rear fender, a lid that spans the left and right covers and closes the storage space so as to be openable and closable, and the storage space. A lock mechanism that locks the closed lid, and a key cylinder that is provided inside the cover and unlocks the lock mechanism, and the cover extends toward the rear upper side of the body frame. A rear wall having a wall facing the rear wheel, and bent from the front end of the rear wall and extended toward the front of the body frame and inserted into the key cylinder Insertion hole for key is characterized by having a, a front wall having an opening.

  ADVANTAGE OF THE INVENTION According to this invention, the key cylinder arrangement | positioning structure of the motorcycle which can prevent adhesion of foreign substances, such as a water | moisture content and mud, to the circumference | surroundings which approach at the time of unlocking operation of a key cylinder and a key cylinder can be proposed.

The left view which showed the motorcycle provided with the key cylinder arrangement | positioning structure which concerns on embodiment of this invention. 1 is a left side view showing a key cylinder arrangement structure of a motorcycle according to an embodiment of the present invention. 1 is a left side view showing a key cylinder arrangement structure of a motorcycle according to an embodiment of the present invention, and showing a state in which a passenger is seated on the motorcycle. The exploded view showing the rail cover of the motorcycle provided with the key cylinder arrangement structure concerning the embodiment of the present invention. 1 is a perspective view showing a key cylinder arrangement structure of a motorcycle according to an embodiment of the present invention. Sectional drawing which showed the key cylinder arrangement structure of the motorcycle which concerns on embodiment of this invention in the VI-VI line of FIG. 1 is a diagram showing a key cylinder arrangement structure of a motorcycle according to an embodiment of the present invention, and is a left side view of a rail cover. 1 is a view showing a key cylinder arrangement structure of a motorcycle according to an embodiment of the present invention, and is a bottom view of a rail cover. FIG. 1 is a view showing a key cylinder arrangement structure of a motorcycle according to an embodiment of the present invention, and is a rear view of a rail cover. FIG.

  Embodiments of a key cylinder arrangement structure for a motorcycle according to the present invention will be described below with reference to FIGS.

  FIG. 1 is a left side view showing a motorcycle having a key cylinder arrangement structure according to an embodiment of the present invention.

  In describing the structure of the motorcycle 1, the solid arrow F in FIG. 1 is defined as the front, and the solid arrow R in FIG. 1 is defined as the rear. Further, the left hand side when viewed from the passenger of the motorcycle 1 is defined as the left side of the motorcycle 1 and the opposite side is defined as the right side of the motorcycle 1. Furthermore, the head side of the passenger of the motorcycle 1 is defined as the upper side of the motorcycle 1 and the opposite side is defined as the lower side of the motorcycle 1. The direction of each part constituting the motorcycle 1 is the same as that of the motorcycle 1.

  As shown in FIG. 1, a motorcycle 1 according to this embodiment includes a body frame 2, an engine 5 mounted on the body frame 2, a steering mechanism 6 pivotally supported on the front end portion of the body frame 2, a steering A front wheel 8 pivotally supported on the lower end portion of the mechanism 6, a front wheel suspension device 11 provided on the steering mechanism 6, a swing arm 12 pivotally supported on the rear portion of the body frame 2 so as to be swingable in the vertical direction, and a swing A rear wheel 13 pivotally supported on the rear end of the arm 12 and a rear wheel suspension device 15 connected between the vehicle body frame 2 and the swing arm 12 are provided.

  The body frame 2 is of a twin tube type, for example. The vehicle body frame 2 includes a head pipe 16 disposed at a front end, a pair of left and right main frames 17 that expands in the left-right direction immediately after the head pipe 16 and extends obliquely rearward and downward to serve as a tank rail, and a main frame 17 is provided with a pair of left and right center frames 18 integrally provided at the rear end portion of the main frame 17 and extending substantially downward, and a pair of left and right seat rails 19 extending obliquely rearward and upward from the rear end portion of the main frame 17.

  The head pipe 16 pivotally supports the steering mechanism 6 via a built-in steering shaft (not shown). The center frame 18 supports a pivot shaft 21 installed at a substantially central portion in the longitudinal direction. The pivot shaft 21 pivotally supports the swing arm 12.

  The main frame 17 supports the fuel tank 23 from below.

  The engine 5 is disposed at the lower center of the motorcycle 1, more specifically below the main frame 17, and is connected to the engine intake system 25 and the engine exhaust system 26. The engine 5 includes a single cylinder engine, a parallel two cylinder engine, a parallel six cylinder engine, a V-type two-cylinder engine, a V-type four-cylinder engine, and a V-type six in addition to a parallel four-cylinder engine that is a four-cycle multi-cylinder engine. A cylinder engine is used as appropriate. The output of the engine 5 is transmitted to a rear wheel 13 via a driven sprocket (not shown) from a chain (not shown) constituting a secondary reduction mechanism (not shown).

  The engine 5 includes a cylinder assembly 5a including a cylinder having a fuel chamber (not shown), a valve mechanism (not shown), a cylinder head having an intake / exhaust port (not shown), and a crankshaft (not shown). And a crank assembly 5b having a transmission (not shown).

  The engine intake system 25 includes a throttle body (not shown) arranged above the engine 5 and an air cleaner box (not shown) arranged above the throttle body.

  The engine exhaust system 26 includes an exhaust pipe 29 that extends downward from the front of the engine 5 to the rear of the motorcycle 1, and a muffler that is disposed on both sides of the motorcycle 1 in the vehicle width direction and connected to the exhaust pipe 29. 31. The muffler 31 extends from near both sides of the rear wheel 13 toward the upper rear side of the motorcycle 1.

  The steering mechanism 6 is pivotally supported by the head pipe 16 and the steering shaft so as to be rotatable in the left-right direction of the motorcycle 1. The steering mechanism 6 includes a steering head 33 pivotally supported on a steering shaft, a pair of left and right front forks 34 provided on the steering head 33, and a pair of handle bars provided near the upper end of the front fork 34 or on the steering head 33. 35. The left and right handlebars 35 each include a handle grip 36. A handle grip 36 disposed on the right side of the motorcycle 1 is a throttle grip 37.

  The front wheel 8 is steered so as to be rotatable left and right by a handle bar 35 of the steering mechanism 6. The front wheel 8 includes a front wheel 42 that is pivotally supported on the front fork 34 by a front wheel axle 41, a front tire 43 that is attached to the outer periphery of the front wheel 42, and a fastening member such as a bolt (not shown). And a front wheel brake plate 45 fixed by (omitted).

  The front end portion of the swing arm 12 is pivotally supported by a pivot shaft 21 provided substantially at the center in the vertical direction of the center frame 18.

  The rear wheel 13 includes a rear wheel 48 that is pivotally supported on the rear end of the swing arm 12 by a rear wheel axle 47, a rear wheel tire 49 that is attached to the outer periphery of the rear wheel 48, and a rear wheel 48. And a rear wheel brake plate (not shown) fixed by fastening members (not shown) such as bolts.

  The rear wheel suspension device 15 is a shock absorber that cushions the swing arm 12 so as not to be transmitted to the vehicle body frame 2 due to the unevenness of the road surface caught by the rear wheel 13, and presses the rear wheel 13 against the road surface. It also functions. The rear wheel suspension device 15 includes a suspension unit 52 in which a spring 50 and a shock absorber 51 are combined.

  In addition, the motorcycle 1 includes a rail cover 53 that covers at least a part of the vehicle, specifically, the seat rail 19, a passenger seat 59 disposed immediately after the fuel tank 23, and a passenger seat 59. A passenger seat 61 disposed immediately after the passenger seat. The rail cover 53 is connected to the front rail cover 62 and a pair of left and right front rail covers 62 that sandwich the lower side of the passenger seat 59 from both sides of the vehicle, and extends rearward. A pair of left and right rear rail covers 63 that sandwich the lower part from both sides of the vehicle.

  2 and 3 are left side views showing a key cylinder arrangement structure of the motorcycle according to the embodiment of the present invention. FIG. 3 is a view showing a state in which a passenger is seated on the motorcycle 1.

  FIG. 4 is an exploded view showing a rail cover of the motorcycle having the key cylinder arrangement structure according to the embodiment of the present invention.

  As shown in FIGS. 2 to 4, the key cylinder arrangement structure of the motorcycle 1 according to this embodiment includes a body frame 2, a swing arm 12 pivotally supported by the body frame 2, and a pivot arm 12. The rear wheel 13, the rear fender 64 that covers the upper side of the rear wheel 13, a pair of left and right rail covers 53 (covers) that partition the storage chamber 66 (storage space) above the rear fender 64, and the left and right rail covers 53. A passenger seat 61 serving as a lid for closing the upper portion of the storage chamber 66 so as to be freely opened and closed, a lock mechanism 67 for locking the passenger seat 61 closing the storage chamber 66, and the rail cover 53. And a key cylinder 68 for unlocking the lock mechanism 67.

  The seat rail 19 of the body frame 2 is configured using a pipe made of a metal material such as steel or aluminum alloy. The seat rail 19 includes a pair of left and right top rails 19a extending from the top of the center frame 18 toward the rear of the vehicle, and a pair of left and right bottom rails extending from below the top rail 19a toward the rear of the vehicle. Rail 19b, and a plurality of bridge members 19c, 19d provided on left and right top rails 19a and bottom rails 19b.

  The rear fender 64 is bridged and held between the left and right seat rails 19, extends along the seat rail 19 toward the rear upper side of the vehicle, and also serves as a bottom wall of the storage chamber 66. The rear fender 64 includes a fender flap 69 that extends downward from its rear end. The fender flap 69 is formed integrally with the rear fender 64. The rear fender 64 is formed so as to cover the upper part of the rear wheel 13, and mud and sand around which the rear wheel 13 rolls up the passenger of the motorcycle 1, the passenger, and other devices such as the engine 5 and electrical equipment (not shown). Protect from adhesion. Since the rear fender 64 is formed so as to be inclined so as to go rearward of the vehicle, for example, when mud wound up by the rear wheel 13 adheres to the rear fender 64 in rainy weather, the mud adhering to the rear fender 64 is Then, it flows forward and downward and is dropped from the front end of the rear fender 64 to the lower side of the motorcycle 1.

  The rail cover 53 is extended toward the rear upper side of the vehicle body frame 2 and has a rear wall 53a having a wall surface facing the rear wheel 13, and is bent from the front end of the rear wall 53a and extended toward the front of the vehicle body frame 2. And a front wall 53b in which an insertion hole 72 for the key 71 inserted into the key cylinder 68 is opened.

  The rail cover 53 covers the seat rail 19 together with the passenger seat 59 and the passenger seat 61. The rail cover 53 is located above the seat rail 19 except for a portion above the seats 59 and 61. Cover the other part, side and bottom. The rail cover 53 includes a pair of left and right front rail covers 62 disposed below the passenger seat 59, a rear rail cover 63 disposed behind the front rail cover 62, and a lateral side of the rear fender 64. And a side fender cover 73 that is disposed on the rear fender 64 and engaged with the rear rail cover 63.

  Furthermore, the rail cover 53 has a design surface that is visible in the plan view and the side view of the motorcycle 1. The design surface of the rail cover 53 includes a front rail cover 62, a rear rail cover 63, and a top wall 73 a of the side fender cover 73. On the other hand, the rear wall 73 b of the side fender cover 73 functions mainly as a mudguard for the rear wheel 13 together with the rear fender 64.

  The front wall 53 b of the rail cover 53 is disposed on the front side of the vehicle body with respect to a vertical line passing through the center of rotation of the rear wheel 13. Further, the front wall 53b is tilted rearward when the passenger is not seated on the passenger seat 59 (FIG. 2), but the passenger is seated when the passenger is seated on the passenger seat 59. The tilt angle with respect to the vehicle body is set so that the rear wheel suspension device 15 contracts depending on the weight of the vehicle and tilts substantially horizontally or upward (FIG. 3).

  The front wall 53b may be set to have an inclination angle with respect to the vehicle body so that the front wall 53b is inclined substantially horizontally or forwardly even when the passenger is not seated on the passenger seat 59.

  The side fender cover 73 has a mudguard function similar to the rear fender 64, and is particularly disposed behind the rear step 75 connected to the middle portion of the seat rail 19 and extends outward from the rear fender 64. The passenger's legs that are formed so as to be seated and seated on the passenger seat 61 are protected from the mud splashed by the rear wheel 13.

  The storage chamber 66 is a container-like space partitioned by the rail cover 53 (more specifically, the rear rail cover 63) and the rear fender 64. The left and right walls and a part of the top wall of the storage chamber 66 are configured by the rail cover 53, and the bottom wall of the storage chamber 66 is configured by the rear fender 64.

  The passenger seat 61 serves also as a lid of the storage chamber 66, closes the opening of the rail cover 53 that constitutes a part of the left and right walls and the top wall of the storage chamber 66, and closes the storage chamber 66. At this time, the passenger seat 61 for passengers is supported by the seat rail 19 (more specifically, the rear end portions of the bridge member 19d and the bottom rail 19b) to close the storage chamber 66. The passenger seat 61 is locked by a lock mechanism 67 when the storage chamber 66 is closed. The passenger seat 59 arranged on the front side of the passenger seat 61 is supported by the seat rail 19 (more specifically, the front bridge member 19c and the top rail 19a).

  The lock mechanism 67 is provided on the bridge member 19d disposed on the rear side.

  FIG. 5 is a perspective view showing a key cylinder arrangement structure of the motorcycle according to the embodiment of the present invention.

  As shown in FIG. 5, the motorcycle 1 according to this embodiment includes a wire cable 76 that connects a lock mechanism 67 provided in the bridge member 19 d and a key cylinder 68 provided inside the rail cover 53. The wire cable 76 transmits the unlocking force applied to the key cylinder 68 from the key 71 inserted into the key cylinder 68 to the lock mechanism 67.

  FIG. 6 is a cross-sectional view showing the key cylinder arrangement structure of the motorcycle according to the embodiment of the present invention taken along line VI-VI in FIG.

  FIGS. 7 to 9 are views showing a key cylinder arrangement structure of a motorcycle according to the embodiment of the present invention. 7 is a left side view of the rail cover 53, FIG. 8 is a bottom view of the rail cover 53, and FIG. 9 is a rear view of the rail cover 53.

  As shown in FIGS. 6 to 9, the side fender cover 73 of the motorcycle 1 according to the present embodiment is disposed on the side of the rear fender 64 and below the rear rail cover 63.

  The side fender cover 73 includes a ceiling wall 73 a that forms the design surface of the rail cover 53, a rear wall 73 b that functions as a mudguard for the rear wheel 13 together with the rear fender 64, and an insertion hole for the key 71 that is inserted into the key cylinder 68. And a hollow substantially triangular pyramid shape having a front wall 73 c having 72. A vertex 73d at which the top wall 73a, the rear wall 73b, and the front wall 73c intersect is disposed so as to project outward and downward in the vehicle width direction. The side fender cover 73 is formed by hanging the outer part of the key cylinder 68 in the vehicle width direction downward from the key cylinder 68. That is, the ceiling wall 73 a is formed by hanging the outer side portion of the key cylinder 68 in the vehicle width direction downward from the key cylinder 68. On the other hand, the rear wall 73b and the front wall 73c are formed to be inclined so as to be higher toward the center of the vehicle and lower toward the outer side in the vehicle width direction.

  Further, the side fender cover 73 has openings on the surfaces adjacent to the top wall 73a, the rear wall 73b, and the front wall 73c, and the walls 73a, 73b, 73c of the opening edge are engaged with the rear rail cover 63 and the rear fender 64. Held.

  The key cylinder 68 of the motorcycle 1 is inserted from an insertion hole 72 for the key 71 disposed in a recessed portion 77 formed in the front wall 53b of the rail cover 53 (more specifically, the front wall 73c of the side fender cover 73). Arranged with the keyhole pointing downward.

  In the motorcycle 1, the rail cover 53 includes a rib 78 formed so as to be suspended from the rail cover 53 so as to be disposed on the inner side in the vehicle width direction of the key cylinder 68 and in the vicinity of the insertion hole 72.

  The rib 78 is disposed at the edge of the recessed portion 77 of the side fender cover 73 and is formed integrally with the side fender cover 73. Further, the rib 78 is formed in an arc shape along the edge of the recessed portion 77, and the portion from the vehicle inner side is the highest (that is, the portion closest to the rear wheel 13 is the highest), and the more toward the vehicle outer side. Lower.

  The key cylinder arrangement structure of the motorcycle 1 according to the present embodiment configured as described above is such that foreign matter such as moisture and mud splashed up by the rear wheel 13 as the motorcycle 1 travels is caused by the key cylinder 68 and the key cylinder 68. It is hard to adhere to the periphery (especially the recessed part 77 of the side fender cover 73). Foreign matter such as water and mud that is splashed by the rear wheel 13 is easily splashed in the tangential direction of the outer periphery of the rear wheel 13, and the insertion hole 72 that guides the key 71 to the key hole of the key cylinder 68 is inclined substantially horizontally or forwardly. The rail cover 53 is disposed on the front wall 53b of the rail cover 53 (more specifically, the front wall 73c of the side fender cover 73), and the rear wall 53a of the rail cover 53 (more specifically, the rear wall 73b of the side fender cover 73). This is because foreign matter such as moisture and mud splashed to the rear wheel 13 is blocked.

  Further, the key cylinder arrangement structure of the motorcycle 1 is such that the front wall 53b of the rail cover 53 (more specifically, the front wall 73c of the side fender cover 73) is tilted rearward when the passenger does not sit on the motorcycle 1. Therefore, it is possible to give a good impression to the person who watches the motorcycle 1 so that the appearance of the rear half of the vehicle flows rearward and upward.

  Furthermore, the key cylinder arrangement structure of the motorcycle 1 according to the present embodiment is such that the front wall 53b of the rail cover 53 having the insertion hole 72 (more specifically, the front wall 73c of the side fender cover 73) is the rotational center of the rear wheel 13. Since it is disposed on the front side of the vehicle body with respect to the vertical line passing through the rail, it is possible to reliably block foreign matters such as moisture and mud from the rear wall 53a of the rail cover 53 (more specifically, the rear wall 73b of the side fender cover 73). it can.

  Furthermore, the key cylinder arrangement structure of the motorcycle 1 includes the rail cover 53 in which the outer portion in the vehicle width direction of the key cylinder 68 hangs downward from the key cylinder 68, and therefore travels along the outline of the motorcycle 1 such as rainwater. The key cylinder 68 is protected from the intrusion of flowing water.

  In addition, the key cylinder arrangement structure of the motorcycle 1 includes a rib 78 on the front wall 53b of the rail cover 53 (more specifically, the front wall 73c of the side fender cover 73), and water and mud that are splashed by the rear wheel 13. This protects the key cylinder 68 and the periphery of the key cylinder 68 (particularly, the recessed portion 77 of the side fender cover 73) from the foreign matter.

  Therefore, according to the key cylinder arrangement structure of the motorcycle 1 according to the present embodiment, it is possible to prevent foreign matter such as moisture and mud from adhering to the key cylinder 68 and the surroundings when the key cylinder 68 is unlocked.

DESCRIPTION OF SYMBOLS 1 Motorcycle 2 Body frame 5 Engine 5a Cylinder assembly 5b Crank assembly 6 Steering mechanism 8 Front wheel 11 Front wheel suspension device 12 Swing arm 13 Rear wheel 15 Rear wheel suspension device 16 Head pipe 17 Main frame 18 Center frame 19 Seat rail 19a Top rail 19b Bottom rail 19c Bridge member 19d Bridge member 21 Pivot shaft 23 Fuel tank 25 Engine intake system 26 Engine exhaust system 29 Exhaust pipe 31 Muffler 33 Steering head 34 Front fork 35 Handlebar 36 Handle grip 37 Throttle grip 41 Front wheel axle 42 Front wheel 43 Front wheel Tire 45 Front wheel brake plate 47 Rear wheel axle 48 Rear wheel 49 Rear wheel tire 50 Spring 51 Shock Sover 52 Suspension unit 53 Rail cover 53a Rear wall 53b Front wall 59 Seat for passenger 61 Seat seat for passenger 62 Front rail cover 63 Rear rail cover 64 Rear fender 66 Storage chamber 67 Lock mechanism 68 Key cylinder 69 Fender flap 71 Key 72 Insertion hole 73 Side fender cover 73a Top wall 73b Rear wall 73c Front wall 73d Vertex 75 Rear step 76 Wire cable 77 Recessed portion 78 Rib

Claims (5)

Body frame,
A swing arm pivotally supported on the body frame;
A rear wheel pivotally supported by the swing arm;
A rear fender covering the rear wheel;
A pair of left and right covers that partition the storage space above the rear fender;
A lid that is spanned across the left and right covers and closes the storage space so as to be freely opened and closed;
A locking mechanism that locks the lid that closes the storage space;
A key cylinder provided inside the cover for unlocking the lock mechanism,
The cover extends toward the rear upper side of the vehicle body frame and has a wall surface facing the rear wheel, and extends from the front end of the rear wall to the front of the vehicle body frame and extends to the front of the vehicle body frame. A key cylinder arrangement structure for a motorcycle, comprising: a front wall having an insertion hole for a key inserted into the key cylinder. A rear wheel suspension device connected between the vehicle body frame and the swing arm;
The said front wall has the wall surface which faces the front lower part of the said vehicle body frame substantially parallel or parallel to a horizontal surface when the said vehicle body frame moves below with the weight of a passenger at least. Key cylinder arrangement structure for motorcycles. The key cylinder arrangement structure for a motorcycle according to claim 1 or 2, wherein the front wall is arranged on a front side of a vehicle body with respect to a vertical line passing through a rotation center of the rear wheel. The key cylinder of the motorcycle according to any one of claims 1 to 3, wherein the cover is formed by hanging an outer portion in the vehicle width direction of the key cylinder downward from the key cylinder. Placement structure. The automatic according to any one of claims 1 to 3, further comprising a rib that is formed on the inner side in the vehicle width direction of the key cylinder and in the vicinity of the insertion hole and is suspended from the cover. Key cylinder arrangement structure for motorcycles.

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