JP2923829B2 - Stand lock device for motorcycles - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stand lock device for a motorcycle having a stand pivotally supported by a lower portion of a vehicle body and swinging between a standing position and a storage position.

[0002]

2. Description of the Related Art A stand lock device for such a motorcycle is known from Japanese Patent Application Laid-Open No. Hei 4-71971.

[0003]

By the way, in the above-mentioned conventional stand lock device for a motorcycle, a lock pin which engages with the stand and locks the stand in the upright position is urged in the locking direction by the elastic force of a spring. Has been
The lock of the stand is released by moving the lock pin in the unlocking direction against the elastic force of the spring with the operation handle.

However, in the case where the lock pin is urged in the lock direction by the spring force of the spring as described above,
When the engaging portion of the lock pin is clogged with mud, it is difficult to move the lock pin in the locking direction only by the elastic force of the spring, and the lock operation may not be performed.

The present invention has been made in view of the above-mentioned circumstances, and provides a stand lock device for a motorcycle in which a lock operation can be reliably performed even when the lock device is clogged with mud. The purpose is to:

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a motorcycle having a stand pivotally supported by a lower portion of a vehicle body and swinging between a standing position and a storage position. The stand should have a first near the pivot of the stand.
One slit, and the standing position of the stand at the bottom of the body
To set the second slit opposite to the first slit respectively.
In addition, a lock plate is provided at the lower part of the vehicle body, and the plate is a second slit.
Through the first slit to engage the stand in the upright position
Lock position to lock and slide away from the first slit
An arm that allows rocking of the stand from the standing position to the storage position
Pivot so that it can rotate between the lock position and the lock position.
The click plate, springs and, by connecting the operating wire connected to the operating means, elastic force of the spring the lock plate by pulling the operation wire with a the operating means for urging the plate in the unlocked position Forcibly turning to the lock position against the pressure.

[0007]

Embodiments of the present invention will be described below with reference to the drawings.

As shown in FIGS. 1 to 3, a body frame F constituting a skeleton of a scooter type vehicle V is formed of a steel pipe framework, and a head pipe 1 located at a front end thereof.
A down tube 2 extending downward from the lower end of the head pipe 1, a rear frame 3 extending rearward and upward from the vicinity of the lower end of the down tube 2, and having a substantially elliptical shape in plan view; 3 is provided with a front cross member 4, a mid cross member 5, and a rear cross member 6 for connecting the front part, the center part and the rear part in the left-right direction, respectively. A steering handle 8 is provided at an upper end of a front fork 7 slidably supported by the head pipe 1.
A front wheel Wf is pivotally supported at the lower end. A front end of a power unit P on which a rear wheel Wr is pivotally supported is supported by the mid cross member 5 via a link mechanism 9 so as to be able to swing up and down. A rear portion of the power unit P and a rear cross member 6
Are connected via a rear cushion 10.

The outer periphery of the body frame F is covered by a body cover C made of a hard synthetic resin. The body cover C is divided into a plurality of members, and a front cover 11 that covers a front portion of the head pipe 1 and an upper portion of the front wheel Wf;
A leg shield 12 joined to the rear surface of the front cover 11 and covering the front of the rider's leg; and a pair of left and right front sides connected to left and right side edges of the front cover 11 and the leg shield 12 and covering the side surfaces of the front vehicle body. Covers 13 _L and 13 _R and a floor board 14 connected to the rear edge of the leg shield 12 and supporting a rider's feet.
When, an under cover 15 covering the lower surface of the floor board 14, a pair of left and right covers the left and right side edges and the front side covers 13 _L, 13 connected to the rear body side in the rear upper edge of the _R floorboards 14 Riyaroakaba 16 _L , 1
Includes a 6 _R, a rear upper cover 17 connected to the upper edge of the Riyaroakaba 16 _L, 16 _R of the upper edge and the floor board 14. Further, a rear fender 18 that covers an upper portion of the rear wheel Wr is attached to a rear portion of the rear upper cover 17.

The rear upper cover 17 is an annular member whose front and rear portions and both left and right sides are surrounded by wall surfaces and whose upper and lower surfaces are open, and is formed as one member integrally formed. Are opened 17 ₁ having a peripheral closed the rear end of the rear upper cover 17 is formed, the tail lens 19 covering the tail lamp in the opening 17 ₁ is fitted. Thus, integrated without 2 divides the rear upper cover 17 to the left and right, and by the adopted structure fitting the tail lens 19 of the opening 17 ₁ formed in the rear upper cover 17, a body cover C and the tail lens The work of positioning with 19 is easy, and a beautiful finish with no steps or gaps at the joint between them can be obtained.

The upper opening of the rear upper cover 17 is
It is openably and closably covered by a sheet 20 hinged at the front end. A luggage box 21 for storing a helmet or the like is fitted inside the rear upper cover 17, and the seat 20 also serves as a lid that covers an opening of the luggage box 21.

Next, the structure of the battery housing will be described with reference to FIGS.

The front end of the rear fender 18 covered by the rear upper cover 17 is in contact with the rear wall of the luggage box 21, and the battery box 26 is formed integrally therewith. The front end of the battery box 26 is opened to an opening 21 ₁ formed in the rear wall of the luggage box 21, in a state that lift-up seat 20 forward, latch the battery box 26 through the opening 21 ₁ from the inside of the gauge box 21 The battery 27 can be put in and taken out of the inside. The rectangular parallelepiped battery 27 is of a sealed type with no liquid leakage, and is laid horizontally with its shortest side along the vertical direction.

[0014] latch opening 21 ₁ lid 28 which freely covering removably the gauge box 21 is engaged locking claws 28 ₁ 2 formed in the lower, 28 ₁ to the front wall of the rear fender 18, and the upper Is connected to the rear wall of the luggage box 21 by fastening means 29 such as a bayonet mechanism, so that the luggage box 21 is detachably fixed at the illustrated position. On the back surface of the lid 28, a battery 27 housed in the battery box 26 is provided.
In order to prevent movement in the longitudinal direction of the pressing projections 28 ₂ for pressing the front surface of the battery 27 is formed.

An oil tank 30 is supported above the battery box 26. The lower surface of the oil tank 30 is formed the notch 30 _1, by the upper rear of the battery box 26 in the notch 30 ₁ is fitted, interference between the oil tank 30 and the battery box 26 is prevented . Oil port 30 ₂ formed in the center upper surface of the oil tank 30 protrudes to the outside through the oil pan 21 ₂ formed integrally with the rear end of the luggage box 21, there cap 31 is screwed. When the seat 20 is locked at the position shown in FIG. 6, the cap 31 cannot be attached or detached by covering the upper part of the cap 31 with the rear end of the seat 20. A level gauge terminal 32 is provided on the upper left surface of the oil tank 30.

As described above, the battery 27 is laid horizontally so that its thickness in the vertical direction becomes small,
By arranging the space between the upper surface of the oil tank 8 and the lower surface of the oil tank 30, the battery 27 and the oil tank 30 can be rationally stored by effectively utilizing the narrow space at the rear of the vehicle body. Moreover, since the battery 27 is put in and out of the luggage box 21, the battery 27 can be replaced without removing the body cover C and the oil tank 30, and the maintenance performance is improved and the battery 27 is prevented from being stolen. Can be.

Next, the structure of the lock mechanism of the stand will be described with reference to FIGS.

A stand 36 for supporting the vehicle body of the scooter type vehicle V swings back and forth at the rear end of a dish-shaped stand bracket 37 welded to the mid cross member 5 of the body frame F via a pivot 38 extending in the left-right direction. It is pivoted freely. The stand 36 has the pivot 3 as its pivot.
8 and a stand body 40 welded to the rear surface of the stand cover 39. The elasticity of a toggle spring 41 stretched between the stand bracket 37 and the stand 1 and the standing position shown in FIG. 7 so as to stably stop. The standing position of the stand 36 is regulated by the front surface of the stand cover 39 contacting the rear wall of the stand bracket 37.

A reinforcing member 4 is provided on the inner surface of the rear portion of the stand bracket 37 and on the back surface of the stand cover 39, respectively.
2, 43 are welded. When the stand 36 is in the upright state, the reinforcing member 42, the stand bracket 37, the stand cover 39, and the reinforcing member 43 overlap in the front-rear direction near the pivot 36, and in this state, the second member that penetrates the reinforcing member 42 and the stand bracket 37 . The slit 44 and the first slit 45 penetrating the stand cover 39 and the reinforcing member 43 face each other. A board 46 is fixed to the inside of the stand bracket 37 with bolts 47. A protrusion 46 ₁ (see FIG. 8) formed at the rear end of the board 46 is formed into a groove 42 ₁ (see FIG. 9) formed in the reinforcing member 42. The substrate 46 is prevented from rotating by being fitted to.

[0020] On the upper surface of the substrate 46 and the lock plate 48 is pivotally supported by a bolt 49, between the spring hook 46 ₂ provided on the spring hook 48 ₁ and the substrate 46 provided on the locking plate 48, spring 50 Is installed. Lot
The locking plate 48 is urged clockwise in FIG. 9 by the elastic force of the spring 50, and as shown by a chain line in FIG.
Stopper 48 ₂ provided in the lock plate 48 is stopped in contact with the unlocked position to a bracket 46 ₃ provided on the substrate 46. When the lock plate 48 is in the unlocked position, the lock plate 48 is attached to the stand cover 39 and the reinforcing member 4.
The stand 36 is released from the first slit 45 of FIG.

An operation lever 51 for rotating the lock plate 48 between the locked position and the unlocked position is provided inside the luggage box 21 covered by the lockable seat 20, thereby preventing the vehicle from being stolen. Can be A Bowden wire 52 that connects the operation lever 51 and the lock plate 48 includes an outer tube 53 and an inner cable 5.
4 which are composed of one end of the outer tube 53 while being supported by the bracket 46 ₃ of the substrate 46, one end of the inner cable 54 is bound to the spring hook 48 _first lock plate 48. Therefore, when against the resilient force of the spring 50 to pivot the lock plate 48 in the counterclockwise direction in FIG. 9 by pulling the inner cable 54, the lock plate 48, the reinforcing member 42 and Sutandobu
The stand 36 is engaged with the first slit 45 of the reinforcing member 43 through the second slit 44 of the racket 37, and the stand 36 is locked in the upright position.

As is clear from FIGS. 7 and 10, the operating lever 51 pivotally supported on the rear wall surface of the luggage box 21 via a pin 55 is fixed to the luggage box 21 with two bolts 56, 56. It is restricted to swing range of the left and right by the guide surface 57 ₁ formed on the upper surface of the bracket 57. An arm 58 to which an inner cable 54 of the Bowden wire 52 is attached is fixed to a rear end of a pin 55 penetrating the luggage box 21 backward.
Lock Reference numeral 21 ₃ of FIG. 10 is a slit hoop 59 provided at the rear end of the sheet 20 (see FIG. 7) is fitted, reference numeral 60 is in the closed position the seat 20 engaged with the hoop 59 The hook to do.

When the operating lever 51 is operated to the position indicated by the solid line in FIG. 10, the inner cable 54 is pulled, and the lock plate 48 rotates to the position indicated by the solid line in FIG. The stand 36 is locked in the upright position. At this time, since the connection point a between the arm 58 and the inner cable 54 moves upward beyond the center of the pin 55 serving as the dead point b, the operation lever 51 is stably stopped at the solid line position. Conversely, when the operation lever 51 is operated to the dashed line position in FIG. 10, the inner cable 54 is loosened, the lock plate 48 is rotated to the dashed line position in FIG. 9 by the elastic force of the spring 50, and the lock of the stand 36 is released. You. At this time, since the connection point c between the arm 58 and the inner cable 54 moves downward beyond the dead point b, the operation lever 51 is stably stopped at the chain line position.

As described above, the Bowden wire 52 is not operated by the spring 50 but by the operating force of the operating lever 51.
The inner cable 54 is pulled to rotate the lock plate 48 in the lock direction. Therefore, even if mud or the like adheres to the vicinity of the pivot portion of the stand 36, the lock plate 48 can be moved by strongly operating the operation lever 51. The stand 36 can be locked by reliably engaging with the first slit 45.

Next, the pivot structure of the seat 20 will be described with reference to FIGS.

The seat 20 has a bottom plate 65 made of a synthetic resin and a cushion material 66 superposed on the upper surface of the bottom plate 65.
And a skin 67 covering the cushion material. A pair of left and right brackets 6 are provided on the lower surface of the front end of the bottom plate 65.
5 _1, 65 _1, a stopper portion ₆₅₂ which is located between the two brackets 65 _1, 65 _1, three pin retaining projection 65 ₃ located in the vicinity of the bracket 65 ₁ of the left, 65 _4, 6
5 ₄ and is projected downward. Luggage box 21
To the front end, the seat support arms 21 ₄ projecting forward, the stopper portion 2 provided at the front end of the seat support arms 21 _4
15 are formed. The pin 66 pivotally supporting the seat 20 is formed of an L-shaped bar having a shaft portion 66 ₁ and a locking portion 66 ₂ , and the shaft portion 66 ₁ is a bracket 65 _{1 on} the left side of the bottom plate 65 of the seat 20. is inserted through the arm 21 ₄ and the right bracket _651, thereby the front end of the seat 20 is pivotally supported to freely open and close the luggage box 21. At this time, the tip of the engaging portion 66 ₁ of the pin 66 is held fitted to said three-pin locking projection 65 _3, 65 _4, 65 between _4.

To mount the pin 66, the shaft 66 ₁
The left and right brackets 65 ₁ , 65 ₁ and the seat support arm 2
After inserted through the 1 _4, the sheet 20 being in contact with the stopper portion 21 ₅ of the stopper portion ₆₅₂ of the luggage box 21 of the bottom plate 65 is swung to the open position shown by the chain line in FIG. 11, the pin 66 the direction of arrow a by fitting while elastically deforming them to right and left is rotated between the two pins engaging protrusions 65 _4, 65 _4, ask held in position abutting the remaining pins locking projection 65 ₃ Good. Locking is swung to the closed position indicated by a solid line of the sheet 11 in this state, the locking portion 66 ₂ of the pin 66 of the left front end of the luggage box 21 d
To face the point, can not be detached the pin 66 from the arrow B said direction by swinging pin locking projection 65 _3, 65 _4, 65 _4.

When the seat 20 is locked in the closed position, the pins 66 cannot be pulled out, which prevents not only the articles in the luggage box 21 but also the theft in the luggage box 21. The operation lever 51 cannot be operated to release the lock of the stand 36, and the theft of the vehicle itself is prevented.

Next, a brake cable support structure will be described with reference to FIG. 7 and FIGS.

As shown in FIG. 7, a brake cable 72 extending to the front of the vehicle along the lower surface of the power unit P is connected to a brake arm 71 of the rear wheel Wr provided at the rear end of the power unit P. An intermediate portion of the brake cable 72 is fixed to the power unit P by a bracket 73.

As is apparent from FIGS. 13 to 15, the bracket 73 is formed of a plate bent into a predetermined shape, and the bolt 7 for connecting the left and right casings of the power unit P is provided.
4, 74 together. The bracket 73 has a brake cable supporting portion 73 ₁ bent in the horizontal direction, and the brake cable 72 placed on the upper surface thereof is fixed by _two gripping claws 73 ₂ , 73 ₃ . One gripping claws 73 ₂ is provided continuously to the outer edge of the brake cable supporting part 73 _1, bent upward and horizontally to clamp the outer surface and the upper surface of the brake cable 72.
Also the other gripping claw 73 ₃ brake cable supporting part 73
It is formed by cutting and raising a part of ₁ and is bent upward to clamp the inner surface of the brake cable 72.

_On the lower surface of the brake cable support portion 731, a rubber stand stopper 75 is provided with two bolts 7
6,76. When the stand 36 is in the storage position indicated by a chain line in FIG. 13, the stand body 40 contacts the lower surface of the stand stopper 75. Therefore, when the stand 36 is stored, the impact of the stand 36 which has been repelled upward by the elastic force of the toggle spring 41 can be absorbed by the stand stopper 75. Further, since the brake cable 72 is supported by using the bracket 73 of the stand stopper 75, a special support member is not required, which can contribute to a reduction in the number of parts.

FIG. 16 shows a modification of the battery fixing structure.

In this modification, the upper surface and the front surface of the battery box 26 formed integrally with the rear fender 18 are open, and the battery 27 stored therein is fixed to the upper surface of the rear fender 18 with screws 81. It is held by a band 82 made of a flexible material such as rubber. The band 82 is immovably fixed by pressing the upper and front surfaces of the battery 27, and is fixed to the front end of the rear fender 18 by a hook 83 provided at the tip thereof.

FIGS. 17 to 20 show modifications of the stand stopper.

This modification is directed to a gasket 8 held between a left case 84 and a left cover 85 of the power unit P.
A part of 6 is enlarged downward to form a stand stopper 87, and the stand 36 at the storage position is brought into contact with the lower surface of the stand stopper 87. Stand stopper 87
A cable holding groove 87 extending in the front-rear direction of the vehicle body is provided on the right side of the vehicle.
₁ are recessed, the brake cable 72 extending forward from the drum brake of the rear wheel Wr is fitted and held in the cable holding groove 87 _1. Accordingly, no special member for holding the stand stopper 87 and the brake cable 72 is required, and the number of components can be significantly reduced.

A groove 88 ₁ is formed on the left side of a stand bracket 88 projecting from the lower surface of the power unit P, and a pivot 89 for pivotally supporting the stand 36 is formed in the groove 88 _1.
Head 89 ₁ is fitted in. This makes it possible to prevent the pivot 89 from rotating without using a special member. Furthermore, when the stand 36 is in the retracted position shown in solid lines, the distal end portion 40 ₁ of the stand body 40 is opposed to the lower side of the distal end portion of the kick pedal 90 provided on the left side of the power unit P. This prevents the kick pedal 90 from being erroneously operated with the stand 36 stored.

FIGS. 21 and 22 show a modification of the support structure of the stand.

In this modified example, a stand cover 39 is attached to a pivot 38 which is provided on a stand bracket 37 in the left-right direction.
Are rotatably elastically supported. That is, the stand cover 3
Boss 39 ₁ formed in the upper left and right of 9, the outer periphery of the annular rubber bushings 91, 91 to 39 ₁ of the inner surface is fixed by baking, collar 92 which is fixed by baking the inner periphery of the rubber bushing 91, 91, 92 is rotatably supported by the pivot 38. Thus, vibration transmission from the power unit P to the stand 36 is effectively suppressed,
It is possible to prevent the impact from the road surface from being transmitted to the vehicle body when the stand 36 is raised.

Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the above embodiments, and various design changes can be made.

For example, in the embodiment, a scooter type motorcycle is illustrated, but the present invention is not limited to a scooter type motorcycle.
It can be applied to a tricycle. Further, in the embodiment, the lock plate 48 is operated by the manual operation lever 51, but an electric actuator can be used instead of the operation lever 51.

[0042]

As described above, according to the present invention, the lock position for pivotally supporting the lower part of the vehicle body to lock the stand in the upright position is provided.
Swing from the standing position to the retracted position of the stand
The lock plate, which can rotate between the unlock position and the unlock position, is elastically urged toward the unlock position by a spring .
By pulling the operation wire connected to the lock plate, the plate is forcibly rotated to the lock position against the resilience of the spring, so that the movement of the lock mechanism is poor due to adhesion of mud or the like. even when it becomes, and be Rukoto forcibly rotate the locking plate into the locked position by the operation force of the operation means (tensile force of the operation wire), to ensure the stand to the standing position
Lock operation is possible.

In addition, depending on the distance (lever ratio) between the rotation center position of the lock plate and the wire connecting position and the arrangement (direction) of the operation wire, the operating force acting on the lock plate from the wire can be increased with a high degree of freedom. In particular, by increasing the distance, a large locking operation force can be obtained with a simple structure, and the locking mechanism whose movement has deteriorated due to adhesion of mud or the like can be locked more reliably.

In particular, the stand has a pivotal support.
1st slit near the part, and
The second slit facing the first slit at the upright position of the
Lock plate, and the second plate is
Stand by engaging the first slit through the
Lock in the upright position and unlock it
Of the stand by detaching from the first slit at the position
Swing to the storage position is allowed, so the lock position
The lock reaction force received by the lock plate from the stand is large
However, this is firmly received at the peripheral edge of the second slit at the bottom of the vehicle body.
It can stop the load of the lock plate and its pivot.
The load can be reduced, so that the locking plates and pivots
Can contribute to simplifying the structure of parts and improving durability
You.

[Brief description of the drawings]

FIG. 1 is an overall side view of a scooter type vehicle.

FIG. 2 is an overall plan view of the same.

FIG. 3 is an exploded perspective view of a body cover.

FIG. 4 is a rear side view of the scooter type vehicle.

FIG. 5 is a sectional view taken along line 5-5 of FIG. 4;

FIG. 6 is a sectional view taken along line 6-6 in FIG. 5;

FIG. 7 is a rear side view of the scooter type vehicle with a body cover removed.

8 is an enlarged view of a main part of FIG. 7;

9 is a sectional view taken along line 9-9 in FIG.

FIG. 10 is an enlarged sectional view taken along line 10-10 of FIG. 7;

11 is an enlarged view of a portion 11 of FIG. 7 (a sectional view taken along line 11-11 of FIG. 12).

FIG. 12 is a sectional view taken along line 12-12 of FIG. 11;

FIG. 13 is an enlarged view of a main part of FIG. 4;

14 is a sectional view taken along line 14-14 in FIG.

FIG. 15 is a sectional view taken along line 15-15 of FIG. 14;

FIG. 16 is a view corresponding to FIG. 6, showing a modification of the battery fixing structure.

FIG. 17 shows a modified example of the stand stopper,
Figure corresponding to

18 is a view taken in the direction of arrow 18 in FIG. 17;

FIG. 19 is an enlarged sectional view taken along line 19-19 of FIG. 17;

20 is an enlarged sectional view taken along line 20-20 in FIG. 17;

FIG. 21 is a view corresponding to FIG. 8 showing a modification of the support structure of the stand.

FIG. 22 is a sectional view taken along line 22-22 of FIG. 21;

[Explanation of symbols]

36 Stand 38 Pivot 44 as pivotal support 44 Second slit 45 First slit 48 Lock plate 50 Spring 51 Operating lever as operating means 52 Bowden wire as operating wire F Body frame as vehicle body

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁶ , DB name) B62H 5/00 B62H 1/02

Claims (1)

(57) [Claims] 1. A motorcycle having a stand (36) pivotally supported at a lower portion of a vehicle body (F) and swinging between a standing position and a storage position , wherein the stand (36) includes the stand (36). 36) Pivot
The first slit (45) near (38) and the body
(F) In the lower part, the first switch is set at the standing position of the stand (36).
The second slit (44) facing the lit (45)
A lock plate (48) is further provided at the lower part of the vehicle body (F),
8) passes through the first slit (4) through the second slit (44).
5) to lock the stand (36) in the upright position.
Lock position, and slide away from the first slit (45).
Swing of the stand (36) from the standing position to the storage position is allowed.
Between an unlocked position pivoted so as to rotate to, in its locking plate (48), a spring (50) for biasing said plate (48) in the unlocked position, the operating means
Connecting the operating wire connected to (51) (52), lock plate by pulling the operation wire (52) with a the operation means (51) to (48) against the resilient force of the spring (50) A stand lock device for a motorcycle, wherein the stand lock device is forcibly rotated to a lock position.