JPH082460A - Cup part in bell for bicycle - Google Patents

Abstract

PURPOSE:To prevent separation and breakage between a shaft bush part and a fixing member and to facilitate repair by arranging an engaging part consisting of a recessed part and a projecting part in the shaft bush part to which a supporting shaft point of a bicycle handle side member can be fitted and in the fixing member to be fitted with the outer circumference of the shaft bush part. CONSTITUTION:A cup main body 7 having a top hole 6 in the center is arranged in a cup part 1 in a bell for a bicycle. A liking member 10, which is integrally formed with a head part 8 to be engagingly stopped in the top hole 6 edge, inserted into the top hole 6, and provided with a shaft bush part 9 having a shaft bush groove 13 to be fitted with the tip part of a supporting shaft 3 of a bicycle handle side member, is arranged. In addition, a fixing member 11 to be fitted on the outer circumference of the shaft bush part 9 is arranged. An engagingly stopping part preventing separation between the shaft bush part 9 and the fixing member 11 is arranged. The engagingly stopping part consists of a projection part 12 and a recessed part 16, which are relatively arranged in the shaft bush part 9 and the fixing member 11 individually. On the other hand, in the shaft bush part 9, a slit 14 notched in the extending direction of the shaft bush groove 13 is arranged.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bowl, which is preferably made of metal and which produces a bell sound when hit, is connected to a tip of a support shaft, which is preferably made of synthetic resin, provided on a bicycle handle member. Also, the present invention relates to a bowl portion of a bicycle bell, which is hit by the striking portion by operating a lever provided on a bicycle handle side member.

[0002]

2. Description of the Related Art Bowl portion 100 of a conventional bicycle bell
As shown in FIG. 4, the bowl main body 102 is made of metal and has a top hole 101 in the center, and has a head 103 having a diameter larger than that of the top hole 101, and a bearing groove 104. And has a cylindrical bearing portion 105 that can be inserted into the top hole 101, and is a substantially rivet-shaped connecting member 1 made of synthetic resin.
06, and a fixing member 107 made of synthetic resin in a ring shape that can be tightly fitted to the outer periphery of the bearing portion 105. In assembling the bowl portion 100, first, the bearing portion 105 of the connecting member 106 is connected to the top hole 101 of the bowl body 102.
Is inserted from the outside (upper side in FIG. 4), and then the fixing member 107 is attached to the tip (lower end in FIG. 4) of the bearing portion 105.
Is forcibly pushed from the inside (bottom side in FIG. 4) of the bowl main body 102 to be fitted. When fitted in this way, the bowl body 1
02, the connecting member 106, and the fixing member 107 are tightly coupled. In the bicycle bell, the bowl portion 100 is assembled by tightly fitting the bearing groove 104 of the bearing portion 105 to the tip of the support shaft 108 provided on the bell base portion (not shown) that is the bicycle handle side member. is there.

Further, following the above-mentioned step of fitting the fixing member 107 to the bearing portion 105, the outer peripheral surface of the bearing portion 105 and the inner peripheral surface of the fixing member 107 are fixed by ultrasonic welding. In some cases, a method of making the bearing groove 104 and the fixing member 107 difficult to separate is adopted.

[0004]

In the above-mentioned conventional example, the bearing portion 105 is affected by the vibration when the bicycle is running and the impact when the bicycle falls.
The fixing member 107 is disengaged from the connecting member 106 and the fixing member 107 is released, and the bowl body 102 is moved to the supporting shaft 108.
Frequently, there were wrecks and accidents. Then, in such a damaged state, there is a problem that the general public cannot repair the bell, and the bell itself has to be discarded and replaced with a new bell.

Further, when the bearing portion 105 and the fixing member 107 are fixed to each other, they are less likely to be damaged as mentioned above, but not only the number of manufacturing steps is increased, but also the equipment for the welding process is required. There was a problem that the cost would increase.

An object of the present invention is to solve the above problems, and an object thereof is to provide a bowl part for a bicycle bell which is less likely to be damaged, can be easily repaired even if it is damaged, and is inexpensive to manufacture. To do.

[0007]

In order to achieve the above object, the present invention provides, for example, a metal bowl main body 7 having a top hole 6 at the center, and a head which can be engaged with the edge of the top hole 6. 8, a synthetic resin having a bearing portion 9 formed integrally with 8 and having a bearing groove 13 for connecting to the tip of the support shaft 3 provided in the bell base portion 4 which is a bicycle handle side member. Made of a synthetic resin and a fixing member 11 made of synthetic resin fitted to the outer circumference of the bearing portion 9. The outer circumference of the bearing portion 9 and the inner circumference of the fixing hole 15 of the fixing member 11 are engaged with each other. Protrusions 12, 12 and recesses 16 are provided as engaging portions that prevent the bearing portion 9 and the fixing member 11 from being separated from each other. Further, it is preferable to provide the bearing portion 9 with slits 14, 14 cut in the direction in which the bearing groove 13 extends.

[0008]

In the bowl portion 1, after the bearing portion 9 of the connecting member 10 is inserted into the top hole 6 of the bowl body 7 from the outside, the fixing member 11 is fixed to the tip (lower end in FIG. 4) of the bearing portion 9. The hole 15 is strongly pressed and fitted from the inside (bottom side in FIGS. 2 and 3) of the bowl main body 7 so that the recess 16 becomes the outer end side (bottom side in FIGS. 3 and 4). In this fitting operation, first, the bearing portion 9 pushed inward on the inner surface of the fixing hole 15 of the fixing member 11 is recessed, and by the pushing operation, the concave portion 16 reaches the convex portions 12 and 12, and the bearing portion 9 is The convex portions 12, 12 and the concave portion 16 are brought into an engaged state at the same time when the synthetic resin returns to its original state due to its elasticity. In this engaged state, the bowl main body 7, the connecting member 10 and the fixing member 11 are tightly coupled and there is no looseness between them. It should be noted that this assembling process can be performed by a simple tool or manual work. The bicycle bell using the bowl portion 1 configured as described above does not easily separate the fixing member 11 from the bearing portion 9 even if the bicycle bell is subjected to a strong impact such as a fall of the bicycle. It is difficult to release the combined state with. Further, not only is welding processing or the like required to prevent the fixing member 11 from coming off from the bearing portion 9, but also equipment for the processing is not required.
Manufacturing cost can be reduced. Further, since the slits 14, 14 are provided in the bearing portion, when the fixing member 11 is fitted in the bearing portion 9, the bearing portion 9 is recessed, and the fitting work is easy, and the bowl portion 1 is easily assembled. In addition, even if the connection state is released, the bowl 1 can be easily reassembled by anyone, so there is no need to discard the bell itself and replace it with a new bell.

[0009]

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Here, FIG. 1 of the accompanying drawings is a front view of a bicycle bell, FIG. 2 is a vertical cross-sectional view showing a connected state of a bowl and a support shaft, and FIG. 3 is an exploded view of the bowl.

As shown in FIG. 1, a bicycle bell has a metallic bowl portion 1 for generating a bell sound, a mounting portion 2 for mounting on a bicycle handle (not shown), and the bowl portion 1 at the tip. And a bell base 4 made of synthetic resin, which is a bicycle handle side member having a support shaft 3 supported and connected by the side, and an internal striking part (not shown) strikes the inner surface of the bowl part 1 to generate a bell sound. The lever 5 is configured so as to allow it.

As shown in FIGS. 1 to 3, the bowl portion 1 according to the present invention comprises a metal bowl body 7 having a bowl-like shape and a top hole 6 in the center, and the top hole. Head with diameter larger than 6 8
And the outside of the top hole 6 (the upper side in the drawing)
Has an outer diameter that can be inserted from the support shaft 3 of the bell base 4
It has a cylindrical bearing portion 9 adapted to be connected to the tip,
A substantially rivet-shaped connecting member 10 made of synthetic resin and the bearing portion 9
And a fixing member 11 made of a synthetic resin for fitting the connecting member 10 to the bowl body 7 by fitting the fixing member 11 to the outer periphery of the bowl.

As shown in FIGS. 2 and 3, the connecting member 1
In the bearing portion 9 of 0, the convex portions 12 and 12 which form a part of the engaging portion projecting in a strip shape on the outer periphery near the tip thereof, and the support shaft 3
Is provided with a bearing groove 13 which can be tightly fitted to the bearing groove, and slits 14 and 14 which are cut from two opposite ends sandwiching the bearing groove 13 in a direction in which the bearing groove 13 extends (vertical direction in the drawing). . The outer diameter of the bearing portion 9 can be narrowed by sandwiching it from both sides of the slits 14 near the tip of the bearing portion 9. Also, when the sandwiching force is released, the elasticity of the synthetic resin causes the original diameter. It returns to the state of. Further, inclined surfaces 12a, 12a for guides are formed on the peripheral edges of the convex portions 12, 12.

As shown in FIGS. 2 and 3, the fixing member 1
1 is formed in a ring shape, has a fixing hole 15 having an inner diameter substantially equal to the outer diameter of the bearing portion 9 in the center, and the inner periphery of the fixing hole 15 has the bearing portion 9 of the connecting member 10 described above. Convex part 1
A band-shaped concave portion 1 forming a part of an engaging portion with which 2 and 12 can engage.
6 is provided.

The bowl portion 1 is constructed by assembling the bowl main body 7, the connecting member 10 and the fixing member 11, and in this assembly, the bearing portion 9 of the connecting member 10 is placed outside the top hole 6 of the bowl main body 7. From the inner side (lower side in FIGS. 2 and 3) of the bowl body 7, the recess 16 is formed at the outer end. Side (the lower end side in FIGS. 3 and 4) is strongly pressed and fitted. In this fitting operation, first, the bearing portion 9 pushed in the inner direction of the fixing hole 15 of the fixing member 11 collapses due to the presence of the slits 14 and 14, and further, the depression 16 causes the protrusions 12 and 12 by the pushing operation. Reached
The bearing 9 returns to its original position due to the elasticity of the synthetic resin, and at the same time the projection 1
2, 12 and the recess 16 are engaged with each other. In this engaged state, the bowl main body 7, the connecting member 10 and the fixing member 11 are tightly coupled and there is no looseness between them. This assembly process can be performed with a simple tool or manually.

Then, the bowl portion 1 assembled in this way is
The bearing groove 13 is tightly fitted to the tip of the support shaft 3 of the bell base 4 to complete the bicycle bell.

The operation and effect of this embodiment will be described below. As shown in FIG. 4, the bicycle bell using the bowl 1 is
Since the convex portions 12 and 12 and the concave portion 16 are engaged with each other, the bearing portion 9 and the fixing member 11 are not easily separated from each other even if a strong impact such as a bicycle fall is received. is there. Further, since the slits 14, 14 are provided in the bearing portion 9, when the fixing member 11 is fitted in the bearing portion 9, the bearing portion 9 is recessed, the fitting work is easy, and the bowl portion 1 is easily assembled. In addition, even if the bearing portion 9 and the fixing member 11 are separated from each other due to a stronger impact applied to the bowl portion 1 after the support shaft 3 comes out of the bearing groove 13 due to a fall or the like,
The bowl 1 can be easily reassembled by anyone, and there is an advantage that the bell itself does not have to be discarded and replaced with a new bell.

As a modified example of the above-described embodiment, there is one in which the handle grip is a bicycle handle member. The bicycle bell according to this modification is configured such that a lever for generating a bell sound is attached to an intermediate portion of a support shaft integrally formed with the grip, and a bowl portion is connected to a tip of the support shaft. In the bicycle bell according to this modification, the bell is arranged at the grip position,
There is an advantage that the lever can be easily operated while gripping the grip while the bicycle is running.

It should be noted that the present invention is not limited to the above-mentioned embodiment and each modification, and for example, the slit 1
The number of four and four may be three or more, or one, and need not be intentionally provided as long as it has a structure in which the engaging portions of the connecting member 10 and the fixing member 11 can engage with each other.
Further, the engaging portion may not be composed of the band-shaped convex portion and the concave portion, but may be constituted by the convex portion and the concave portion which are partially arranged on the outer periphery of the bearing portion 9 and the inner periphery of the fixing hole 15, for example. Alternatively, contrary to the embodiment, the protrusions 12 and 12 may be provided on the fixing member 11 side, while the recess 16 may be provided on the connecting member 10 side. Further, the engaging portion may be configured by providing a protrusion or the like that can be engaged with the other end edge on one end edge of the connecting member 10 or the fixing member 11. Furthermore, the bowl portion 1 is applied to a bicycle bell that produces a bell sound by pulling the lever 5 in the horizontal direction as in the above-described embodiment, and a bell bell that produces a bell sound by flipping the lever downward. You may.

[0019]

As described above, the bicycle bell using the bowl portion of the present invention is damaged because the bearing portion and the fixing member cannot be easily separated even if the bicycle bell is subjected to a strong impact such as a fall. Has the effect of being difficult.

Further, when the engaging portion is composed of the convex portion and the concave portion, there is an effect that the bowl body and the connecting member can be reliably coupled by the fixing member by the engagement of the convex portion and the concave portion.

Further, when the bearing portion is provided with a slit, the bearing portion is recessed, so that the fixing member can be easily fitted to the connecting member, and the bowl portion can be easily assembled. Even if it separates, the bowl part can be easily reassembled by anyone, so that there is no need to discard the bell itself and replace it with a new bell.

[Brief description of drawings]

FIG. 1 is a front view of a bicycle bell according to an embodiment.

FIG. 2 is a vertical cross-sectional view showing a connected state of the bowl and the support shaft in the embodiment.

FIG. 3 is an exploded view of the bowl in the example.

FIG. 4 is a vertical sectional view of a conventional example.

[Explanation of symbols]

 1 Bowl part 2 Mounting part 3 Support shaft 4 Bell base part 5 Lever 6 Top hole 7 Bowl main body 8 Head part 9 Bearing part 10 Connecting member 11 Fixing member 12 Convex part 13 Bearing groove 14 Slit 15 Fixing hole 16 Recessed part

Claims (3)

[Claims] 1. A support shaft for a bicycle handle side member, which is integrally formed with a bowl main body having a top hole in the center and a head part that can be locked to the edge of the top hole, and is inserted into the top hole. A bowl part of a bicycle bell comprising a connecting member having a bearing portion having a bearing groove that can be fitted with a tip end, and a fixing member that is fitted with the outer periphery of the bearing portion, the bearing portion and the fixing member. A bowl part for a bicycle bell, characterized in that an engaging part is provided for preventing the bicycle bell from coming off. 2. The bowl part of the bicycle bell according to claim 1, wherein the engaging part is composed of a convex part and a concave part provided relatively to the bearing part and the fixing member. 3. The bowl part of the bicycle bell according to claim 1, wherein the bearing part is provided with a slit cut in a direction in which the bearing groove extends.