JPH0522473Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a bicycle generator tilting device that includes a locking portion that restricts rotation of a tilting lever.

(Prior Art) Conventionally, as this type of raising/lowering device for a bicycle generator, one disclosed in Japanese Utility Model Publication No. 40-28416 is known.

This lifting device has a mounting bracket that rotatably supports a mounting shaft fixed to the generator body, and a latch pin fixed to this mounting shaft. The device is equipped with a spring that biases the lever, and a tilting lever that is rotatably supported by the mounting bracket and presses against the latch pin against the biasing force of the spring.

In addition, the mounting bracket has a protruding
When the raising/lowering lever is rotated in one direction to stand the generator body upright (when the generator body is separated from the wheels), the protrusions engage with the locking parts to restrict the rotation of the raising/lowering lever. When the raising/lowering lever is rotated in the other direction to tilt the generator body (when the generator body is pressed into contact with the wheels), the protrusions engage with the latch pin to restrict the rotation of the raising/lowering lever in the other direction.

However, in the conventional bicycle generator tilting device, as described above, the rotation of the tilting lever toward the other side is restricted by locking the protrusion of the tilting lever to the latch pin. This latch pin is fixed in position by the biasing force of the spring, so
When the biasing force of this spring is small, it may be displaced due to vibration and impact while the bicycle is running, which causes the problem that the protrusion comes off from the latching pin.

In order to avoid such a situation, Jikaisho
A bicycle generator tilting device disclosed in Japanese Patent No. 49-123760 has been proposed.

In this tilting device, a cut groove having upper and lower locking portions is formed on the mounting bracket, and a protrusion that moves along the cut groove is provided on the tilting lever.

According to this tilting device, when the tilting lever is rotated to stand the generator body upright, the protrusion of the tilting lever engages with the upper locking part of the mounting bracket, and the generator body is tilted. When this happens, the protrusion engages with the lower engagement part, regulating the rotation of the tilting lever.

(Problem to be solved by the invention) By the way, in order to assemble the rotatable tilting lever and the latch pin that passes through the mounting shaft of the generator body in a press-contact state, the latch pin must be installed inside the tilting lever. One end of the lever must be placed in contact with the lever so that the biasing force of the coil spring hooked on the latch pin is applied to the contact area between the latch pin and the latch pin when the lever is rotated. Furthermore, in order to arrange one end of the latch pin inside the tilting lever in this manner, one end of the latch pin must be inserted into the rotation locus of the contact portion of the tilting lever. Therefore, in order to prevent the tilting lever from getting in the way when inserting the latching pin, the rotation range of the tilting lever should be widened so that the latching pin and the tilting lever do not get in the way when inserting the latching pin. It is necessary to ensure that there are no collisions.

On the other hand, after the assembly of the tilting lever and the latch pin is completed, in order to ensure constant contact between the tilting lever and the latch pin, the rotation range of the tilting lever is limited, and this latch is removed from the tilting lever. Make sure that the retaining pin does not come off.

In this way, in the lifting device for a bicycle generator, the rotation range of the lifting lever is widened when the lifting lever and the latching pin are assembled, and on the other hand, the rotation range is restricted when the assembly is completed. The opposite structural requirements must be met.

However, in the latter bicycle generator tilting device, the upper locking part and the lower locking part are formed by cutting out the end surface of the side wall of the mounting bracket, and the rotation range of the tilting lever is regulated in advance. However, the work of assembling the tilting lever and the latching pin has become troublesome.

In view of the above-mentioned conventional problems, the purpose of the present invention is to provide a lifting device for a bicycle generator in which the rotation of the lifting lever is reliably restricted and the assembly work of the lifting lever and the latching pin is simple. It is about providing.

(Means for Solving the Problems) In order to solve the above problems, the present invention provides a mounting bracket that rotatably supports a mounting shaft fixed to the generator main body by winding a coil spring, and a mounting bracket that rotatably supports a mounting shaft fixed to the generator main body, and one end of the mounting shaft is fixed to the generator body. A latching pin whose other end is inserted into and fixed to the mounting shaft, and the latching pin is pivotally supported by the mounting bracket and presses against the latching pin against the biasing force of the coil spring, and when rotating in one direction, the latching pin In a bicycle generator tilting device comprising a tilting lever that tilts down the generator body when the machine body is made to stand upright and is rotated in the other direction, the mounting bracket includes a lock that protrudes toward the tilting lever side. A portion is provided on the mounting bracket side of the shaft portion of the tilting lever so that when the tilting lever is rotated in one direction and the generator main body is made to stand upright, it is locked to the locking portion. a first protrusion that regulates the rotation of the generator body; and a first protrusion that is engaged with the locking portion to regulate the rotation of the generator body when the tilting lever is rotated in the other direction and the generator body is tilted down. a second protrusion having a rotational diameter smaller than that of the first protrusion; It is characterized in that the protrusion length is variable, and the protrusion length is variable so that the protrusion length reaches the rotation range of the first protrusion and the second protrusion.

(Function) According to the present invention, when assembling the latching pin into the tilting lever, the latching portion is cut and raised on the mounting bracket. Here, the cut and raised locking part can be formed to a protruding length such that only the first protrusion of the tilting lever is engaged when the tilting lever is rotated in one direction. It has a wide range of movement, and the latch pin can be easily assembled into the tilting lever.

Further, when this assembly work is completed, the protruding length of the locking portion is increased so that it can be locked to the second protrusion with a small rotational diameter, and the rotation range of the tilting lever is restricted.

In this way, when assembling the latch pin into the tilting lever, the rotation range of the tilting lever can be widened, and on the other hand, after the assembly work is completed, it is possible to rotate the tilting lever in one direction and in the other direction. Rotation is reliably regulated by each protrusion.

(Example) An example of the present invention will be described based on FIGS. 1 to 4. That is, the lifting device for a bicycle generator includes a mounting shaft 2 fixed to a generator body 1, a mounting bracket 3 having a U-shaped cross section that rotatably holds the mounting shaft 2, and the mounting shaft 2. The flange 13a inserted into 2
A latching pin 13 having a
3, a coil-shaped spring 5 that biases the generator main body 1 in the direction of tilting it down; and the mounting bracket 3.
The lever 9 is rotatably attached to the lever 9 and is pressed into contact with the latch pin 13.

A pair of tongue pieces 10 are formed on the raising/lowering lever 9, and a hole 10a formed in the tongue piece 10 and a hole 10 formed in the tongue piece 10
A shaft pin 14 is inserted into a support hole 7a formed in a pair of support pieces 7 of the mounting bracket 3 with the lever 9 interposed therebetween, and the tilting lever 9 is rotatably attached to the mounting bracket 3. . This constitutes a pivot portion 9a of the tilting lever 9, and also locks the latch pin 13. Further, a coil-shaped lever spring 15 is interposed between the tongue pieces 10 to return the tilting lever 9 to its original position. Further, the pivot portion 9a of the tilting lever 9 is provided with a gripping operation portion 9b extending in a direction away from the mounting bracket 3.
By operating this gripping operation section 9b, the generator main body 1 is raised and lowered. Further, on the side of the mounting bracket 3 of the tongue piece 10 of this pivot portion 9a, there is a first protrusion 10b for regulating the counterclockwise rotation of the tilting lever 9, and a second protrusion for regulating the clockwise rotation. The rotation diameter of the second protrusion 10c is smaller than the rotation diameter of the first protrusion 10b.

The first and second protrusions 1 of the tilting lever 9 are formed on the inner surface of the mounting bracket 3 by cutting a part of the mounting bracket 3 and bending it inward.
A locking portion 12 that locks 0b and 10c is provided in a protruding manner.

Note that 16 is a mudguard cover that covers the mounting shaft 2, the spring 5, and the locking pin 13.

According to this embodiment, when the generator is used, the gripping operation portion 9b of the raising/lowering lever 9 is pushed downward (rotated clockwise) as shown in FIG. This results in
The locking of the latch pin 13 by the tilting lever 9 is released, and the generator main body 1 is rotated by the biasing force of the spring 5 and falls to come into pressure contact with the wheel of the bicycle. Further, as the tilting lever 9 rotates, the second protrusion 10c locks with the locking portion 12, and the tilting lever 9
The excessive tilting of the generator main body 1 is controlled by regulating the rotation of the generator body 1.

Also, when the generator is not in use, pull up one end of the tilting lever 9 (rotate it counterclockwise).
Alternatively, hold the generator body 1 directly with your hands and return it to its original position (upright position). As the tilting lever 9 is operated, the first protrusion 10b is locked to the locking part 12,
The rotation of the tilting lever 9 is restricted.

Furthermore, since each protrusion 10b, 10c of the raising/lowering lever 9 is provided at a position separated from the gripping operation part 9b, when operating this gripping operation part 9b, the fingers of the hand are connected to the locking part 12 and each protrusion 10b. , 10c, such accidents will not occur.

FIG. 4 explains the assembly structure of the tilting lever 9 and the latching pin 13. That is, the locking part 1
2 is the second protrusion 10c of the tilting lever 9 in advance.
The first protrusion 10b is cut and raised to the extent that it does not come into contact with the first protrusion 10b and is engaged with the first protrusion 10b. Thereby, the locking part 12 is locked only to the first protrusion 10b, and the locking part 12 is locked only to the second protrusion 10b.
Since the lever 9 is not engaged with the lever 9, the pivoting range of the lever 9 can be widened, as shown in FIG. Therefore, as shown in FIG.
The latching pin 13 that penetrates through the lever 9 can be easily
inserted inside.

In this way, after arranging the latch pin 13 inside the tilting lever 9, the tilting lever 9 is attached to the latch pin 1.
3, the lever is rotated counterclockwise to lock the first protrusion 10b of the lever 9 to the locking portion 12.

When the locking operation of the first protrusion 10b is completed, as shown in FIG. Make it stand out.

As a result, even when the tilting lever 9 is rotated clockwise, the second protrusion 1 does not move as shown in FIG.
0c is locked to the locking portion 12.

As described above, in this embodiment, when assembling the latch pin 13 to the tilting lever 9, it is very easy to assemble the latch pin 13, and after this assembling work is completed, the latch part 12 can be further bent. , the rotation range of the tilting lever 9 can be reliably regulated. Furthermore, since the latching pin 13 is provided with the flange 13a, it can be easily inserted into the mounting shaft 2 to a desired length.

(Effect of the invention) As explained above, according to the invention, when the locking pin is assembled into the tilting lever, the locking portion has a protruding length that allows only the first protrusion of the tilting lever to lock. Since it can be formed, the pivoting range of the tilting lever is large, and the latch pin can be easily assembled into the tilting lever, which has the advantage that this assembly work is facilitated.

In addition, after this assembly work is completed, the protruding length of the locking part can be increased so that it can also lock the second protrusion with a small rotational diameter, so after the assembly work is completed, it is possible to This has the advantage that the rotation to and the rotation to the other direction are reliably regulated by each protrusion.

[Brief explanation of the drawing]

1 to 4 show an embodiment of a bicycle generator raising device according to the present invention, and FIG. 1 is a partially cutaway front view of the bicycle generator raising device;
Figure 2 is a cross-sectional view of the tilting device when the generator body is upright, Figure 3 is a cross-sectional view of the tilting device when the generator body is tilted, and Figure 4 is a cross-sectional view of the tilting device when assembled. be. In the figure, 1... Generator main body, 2... Mounting shaft, 3...
...Mounting bracket, 5... Spring, 9... Lifting lever, 9a... Pivotal support part, 9b... Gripping operation part, 1
0b...first protrusion, 10c...second protrusion, 1
2...Locking portion, 13...Latching pin, 14...Axle pin.

Claims (1)

[Claims for Utility Model Registration] A mounting bracket that rotatably supports a mounting shaft fixed to the generator main body by wrapping a coil spring around it, one end of which is hooked to the coil spring, and the other end of which is inserted and fixed to the mounting shaft. a latching pin that is pivotally supported by the mounting bracket and presses against the latching pin against the biasing force of the coil spring, and when rotating the generator body in one direction, the generator body is made to stand upright, and when rotating the generator body in the other direction, is a bicycle generator tilting device comprising a tilting lever that tilts down the generator main body, wherein the mounting bracket is provided with a locking portion that protrudes toward the tilting lever, and the shaft of the tilting lever is On the side of the mounting bracket of the branch part, there is a first member that locks into the locking portion and restricts rotation of the generator body when the tilting lever is rotated in one direction to stand the generator body upright. The rotational diameter is smaller than that of the protrusion and the first protrusion that locks into the locking portion and restricts rotation of the generator body when the tilting lever is rotated in the other direction and the generator body is tilted down. A small second protrusion is provided, and the locking part has a protrusion length that is within the rotation range of the first protrusion and does not reach the rotation range of the second protrusion, and the first protrusion and a device for raising and lowering a bicycle generator, characterized in that the second protrusion is formed to have a variable protrusion length that reaches a rotation range.