JP5603400B2 - Maintenance stand for motorcycles - Google Patents

Description

  The present invention relates to a maintenance stand used when working with a front and rear wheel, particularly a rear wheel, in a motorcycle.

  Conventionally, in such a motorcycle maintenance stand, a pair of left and right L-shaped rods, a C-shaped foot rod connecting the rear ends of the pair of L-shaped rods, and a corner of the pair of L-shaped rods are connected. A connecting rod-like rod, a rotating wheel attached to both ends of the connecting rod-like rod penetrating the pair of L-shaped rods, an L-shaped rod reinforcing rod bridged between both members of each L-shaped rod, and each L-shaped rod A maintenance stand having a chassis-side engagement portion provided at the tip of the chassis (see, for example, Patent Document 1), and with the engagement portion engaged on the chassis side, a mechanic has a C-shaped foot. When the treadle is stepped on, the maintenance stand moves forward while smoothly diving under the rear wheel of the motorcycle, and gradually raises the mounting part of the engaging part in the forwardly inclined L-shaped hook, and finally slightly By tilting and grounding the L-shaped heel side, the motorcycle Is it possible to state that the floating.

JP-A-9-57658

  However, in the above prior art, since the rotating wheel is only attached to the connecting rod-shaped rod, it can move only in the front-rear direction, so the direction of the motorcycle cannot be changed during maintenance. However, there is a problem that must be solved, for example, there is a high risk that a motorcycle with an unstable posture will collapse even if the rotating vehicle is slid laterally.

The present invention is based on the above-described prior art, and in view of the problem that it can move only in the front-rear direction, casters are provided at the lower portions of the front and rear ends of the pair of side frames arranged in parallel with each other at the inner side surfaces of the pair of side frames. A support rod is pivotally attached to a portion between the casters, the support rod is integrated with both end portions on the proximal end side of the U-shaped lever rod, and an engagement means to the chassis side is provided at the tip of the support rod , and the lever By providing an auxiliary caster on the back side of the tip of the saddle, the motorcycle maintenance stand can be moved in all directions, and the motorcycle can be easily changed in any direction to solve the above problems. .

In short, the present invention provides a caster at the lower part of the front and rear ends of a pair of side frames arranged side by side at intervals, and a support rod is pivotally attached to a portion between the casters on the inner surface of the pair of side frames. Since it is integrated with both ends of the base end side of the U-shaped lever rod, and the engagement means to the chassis side is provided at the tip of the support rod, the four casters and the lever rod are grounded in use. Therefore, it is possible to improve stability, and at the same time, because the caster is used, it can move in all directions, so even if it is in the middle of maintenance, the motorcycle can be easily changed to any direction. I can do it.
Moreover, in the thing of patent document 1, since the connecting rod-shaped rod which is a center axis has penetrated the L-shaped rod, it may become an obstacle of the rear wheel which enters between L-shaped rods at the time of work, In the present invention, each of the pair of support rods can be attached to the pair of side frames by separate shafts, so there is no structure that obstructs the rear wheel between the pair of support rods and in the lever rod. Can work smoothly.
In addition, if the lever に お け る in use is grounded, it will rub against the ground surface when moving and damage or noise will occur, but since an auxiliary caster is provided on the back side of the lever 、, Since the auxiliary caster is grounded and the lever rod itself is in a separated state, it does not slide on the ground surface and no abnormal noise is generated, and since it is grounded at a point away from the casters of the pair of side frames, It can be moved in all directions with a more stable posture.

Since the pair of side frames have a shaft support at the lower part of the intermediate portion, and the support rod is attached to the lower end side of the shaft support, the position of the support rod is fixed on the grounding surface of the rear wheel. Since it can be set near, the tilt of the lever 使用 in use can be kept very small, in other words, the lever 杆 can be made substantially parallel to the grounding surface, so when lowering the lifted rear wheel, Its practical effect is significant, such as reducing the burden of lifting the lying lever 倒.

1 is a side view of a motorcycle maintenance stand according to the present invention. It is a top view of FIG. FIG. 2 is a side view showing a process of floating a rear wheel at the motorcycle maintenance stand of FIG. 1. It is a top view of the other Example of the maintenance stand for motorcycles concerning the present invention.

  The motorcycle maintenance stand according to the present invention is basically provided with casters 2, 3, 2a, 3a having a stopper function at the lower part of the front and rear ends of a pair of side frames 1, 1a arranged side by side at intervals. A support rod 4, 4a is pivotally attached to a portion between the casters 2, 3, 2a, 3a on the inner side surfaces of the pair of side frames 1, 1a, and the support rods 4, 4a are attached to the base end of a generally gate-shaped lever rod 5 The engaging means 6 to the engaged portion S on the motorcycle side are provided at the front ends of the support rods 4 and 4a.

This will be specifically described below.
As shown in FIGS. 1, 2, and 4, the pair of side frames 1 and 1a has a frame body 7 and 7a that is long in the front-rear direction with a square cross section, and a reverse formed integrally with the lower center of the frame body 7 and 7a. And the casters 2, 3, 2a, 3a are arranged before and after the shaft supports 8, 8a in the frame bodies 7, 7a. Shaft bodies 9, 9a project horizontally and vertically from the inner surface on the lower end side.

  As shown in FIGS. 1, 2, and 4, the support rods 4, 4 a are cylindrical bodies, and collars 10, 10 a provided laterally on the base end side are connected to shaft bodies 9, 9 a on the side frames 1, 1 a side. It is pivotally attached to the inner side surfaces of the pair of side frames 1 and 1a by being externally fitted to each other.

The shaft attachment portion is not limited to the above structure, and although not shown, for example, the shaft body projects horizontally and vertically outwardly from the outer surface of the support rods 4 and 4a, and the pair of side frames 1 and 1a In short, the support rod 4 is attached to the pair of side frames 1 and 1a, such as by providing a shaft bearing, or by inserting the shaft member into the bearings provided on the lower ends of the support rods 4 and 4a and the pair of side frames 1 and 1a. 4a and the lever rod 5 are only required to be rotatably mounted.
However, if a single shaft body is pivotally attached to the pair of side frames 1 and 1a in such a manner that the support rods 4 and 4a are penetrated, it will interfere with the rear wheel that enters between the support rods 4 and 4a during work. For this reason, the pair of support rods 4 and 4a are attached to the pair of side frames 1 and 1a by separate shafts so that there is no structure between the pair of support rods 4 and 4a. Is preferred.

As shown in FIGS. 1, 2, and 4, the lever rod 5 is formed by integrating a U-shaped lower member 11 and a V-shaped upper member 12 as shown in FIGS. Are fixed to the base end side of the support rods 4 and 4a, specifically to the collars 10 and 10a, and both ends of the upper member 12 are integrally fixed to the intermediate portion of the support rods 4 and 4a to support the lever rod 5 and the support rods 4 and 4a. The eaves 6 and 6a are integrated.
The upper member 12 is longer than the lower member 11, and an auxiliary caster 13 is provided on the back side of the tip of the lever rod 5, that is, on the back side of the top of the upper member 12 protruding from the lower member 11. It is being fixed to the back surface of the installation board 14 between.

  The integral structure of both side members of the support rods 4 and 4a and the lever rod 5 (lower member 11) can be configured by bending one pipe, or another material can be directly or another material (for example, collar 10). 10a), and in the case of the former, the collars 10, 10a are integrally fixed at the corners of the support rods 4, 4a and the lever rod 5 (lower member 11).

It is preferable that the engaging means 6 is appropriately selected according to the structure of the engaged portion S and is detachably attached to the tips of the support rods 4 and 4a. The slide rods 15 and 15a are inserted through the upper openings of the rods 4 and 4a, and the engaging portion 16 is provided on the tip side of the slide rods 15 and 15a. The projecting dimension from the tip of 4a is adjustable.
The engaging portion 16 is, for example, a V-shaped receiving body 17, 17a arranged at the tip of the slide rod 15, 15a as shown in FIGS. 1 to 3, or a slide rod 15, as shown in FIG. In the former case, the horizontal slide rods 20 and 20a are inserted into the horizontal cylinders 19 and 19a fixed to the ends of the slide rods 15 and 15a. V-shaped receivers 17 and 17a are fixedly integrated with the inner ends of the horizontal slide rods 20 and 20a so that the distance between the V-shaped receivers 17 and 17a can be adjusted.

Next, the operation of the motorcycle maintenance stand according to the present invention will be described.
As shown in the upper diagram of FIG. 3, when the lever 6 is lifted with a hand or a foot when the mechanic is raised while the engaging means 6 is engaged with the engaged portion S on the motorcycle side, Similar to that described in Document 1, the maintenance stand moves forward while smoothly diving under the rear wheel of the motorcycle, and the support rods 4 and 4a in the forward tilt state are gradually raised, and finally the lever rod 5 As shown in the lower figure of FIG. 3, the motorcycle is brought into a state where the rear wheels are lifted by slightly tilting the support rods 4 and 4a slightly at the same time.

  In this state, since the moving means are casters 2, 3, 2a, 3a and can rotate forward and backward in the horizontal direction, it can be moved in a stable posture in all directions, and the auxiliary caster is mounted on the back surface of the lever rod 5. If it is 13, it will be more stable with 5 points.

1, 1a Side frame 2, 3, 2a, 3a Caster 4, 4a Support rod 5 Lever rod 6 Engaging means 8, 8a Shaft support
13 Auxiliary caster S Engaged part

Claims (2)

A caster is provided at the lower part of the front and rear ends of a pair of side frames arranged side by side at intervals, and a support rod is attached to a portion between the casters on the inner side surface of the pair of side frames, and the support rod is attached to a U-shaped lever. It is integrated with both end portions on the base end side of the rod, engaging means for the engaged portion on the motorcycle side is provided at the tip of the support rod, and an auxiliary caster is provided on the back side of the tip of the lever rod. Maintenance stand for motorcycles.   2. The maintenance stand for a motorcycle according to claim 1, wherein the pair of side frames have a shaft support at a lower portion of an intermediate portion, and the support rod is attached to a lower end side of the shaft support.

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