JPH0665182U - Bicycle bell - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a bicycle bell that is easy to hit and is not easily damaged. [Structure] A bicycle bell which connects a synthetic resin main body 2 and a metallic one body 1 on a center line, and additionally has a striking mechanism 3 for striking and striking the one body 1. The striking mechanism 3 includes a hammer body that is displaceably supported by the main body 2 so that the outer surface of the one body 1 can be hit, a return spring 19 that biases the one body 1 side so that the hammer body collides with the one body 1, It is composed of a stopper 18 having elasticity so as to regulate the hammer body so that the hitting portion 17a does not normally contact the one body 1 against the return spring 19. When the hammer body is flipped downward with a finger, the hammer body is displaced by the urging force of the return spring 19, and the stopper 18 which receives a force of a predetermined amount or more flexes and collides with the outer surface of the one body 1 to be hit. The structure is simple and it is not easily damaged, and the belling operation is easy.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a bicycle bell, and more particularly to a bicycle bell having a striking mechanism that strikes a bell.

[0002]

[Prior art]

 In conventional bicycle bells, a pulling bell that is struck by pulling the lever along the peripheral edge of the body, or a spring bell that is struck by flipping the hammer part provided at the tip of the hammer body downwards. Is common.

The striking mechanism of the pulling bell comprises a pair of rotary rods integrally formed with a pipe-shaped pinion that is rotatably fitted to a central shaft that connects the metal body and the main body, and a protrusion to the outside of the main body. A lever having a rack body at its inner end, which is pivotally supported by the main body so that its outer end is rotated along the peripheral edge of the main body, and a connecting pinion which meshes with the rack body of the lever and the pipe-shaped pinion of the rotary rod. I have it. Further, a hammer piece is attached to the outer end of each of the rotary rods to hit a protrusion protruding inward from the peripheral edge of the one body. Further, the lever is configured to return by a tension spring. Then, when the lever is pulled with a finger, the rotational force is transmitted to the rotary rod through the rack body, the connecting pinion, and the pipe-shaped pinion, and the hammer piece of the rotary rod hits the protrusion of one body and releases the finger. It is restored by the tension spring.

Further, the bell-bell mechanism of the spring bell has the other end supported by the main body so that a spring having a hammer portion at its tip extends laterally. The hammer portion is not always in contact with the edge of the one body. Then, when the hammer portion is flipped downward, the spring bounces up around the support point, and the hammer portion hits the edge of the one body and hits it.

[0005]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In the above-mentioned pulling bell, the bell sound is reduced when the rotation speed of the hammer piece is slow, so that the diameter of the pipe pinion has to be reduced. Therefore, in addition to requiring a strong force to rotate a small-diameter pipe-shaped pinion, a force that resists the tension spring is also required, so that the lever must be pulled strongly, and a weak child or woman is hit. Not only is it difficult to bell, but it has the drawback that the structure of the pinion, rack, etc. is complicated and is easily broken.

In addition, although the spring bell has an advantage that it can be operated in a striking manner without requiring a strong force, it has a short life because the spring supporting point is easily broken due to metal fatigue. There is.

An object of the present invention is to solve the above drawbacks, and an object thereof is to provide a bicycle bell that solves the problems.

[0008]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention, for example, a metal body 1 is attached to a main body 2 which can be attached to a bicycle handle, and is connected on the center line. A bell for a bicycle, in which a striking mechanism 3 for striking is attached to a main body 2, the striking mechanism 3 being provided on an arm 16 so as to be swingable by a pin 15a on a main body 2 via a shaft support portion 15. A hammer body made of synthetic resin having a repelling portion 17 configured to be repelled by a hammer and a striking portion 17a provided at the tip of the repelling portion 17 for striking the outer surface of the one body 1, and the hammer body The return spring 19 which is an urging member for urging the hammer body 1 and the hammer body at a position where the striking portion 17a does not normally contact the outer surface of the body 1 against the urging force of the return spring 19. And a stopper 18 made of synthetic resin that regulates It is. The stopper 18 has appropriate elasticity and is configured to bend when a force greater than a predetermined value is applied.

[0009]

[Action]

 The striking portion 17a of the hammer body is always regulated by the stopper 18 so as not to contact the one body 1, but when the flipping portion 17 is flipped downward with a finger, the pin 15a is accelerated while being accelerated by the urging force of the return spring 19. When the stopper 18 is displaced to the center, a force greater than a predetermined value is applied, so that the stopper 18 bends, and the striking portion 17a collides with the outer surface of the one body 1 to be hit. Also, after the bell is struck, the bending of the stopper 18 disappears and the original state is restored.

[0010]

【Example】

 Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Here, FIG. 1 is a partial vertical front view, FIG. 2 is a plan view of a main body, FIG. 3 is a plan view of a hammer body, and FIG. 4 is a side view.

As shown in FIGS. 1, 2 and 4, the bicycle bell of the present embodiment includes a metal one body 1 that makes a bell sound upon impact, a synthetic resin main body 2, and the one body. The belling mechanism 3 attached to the main body 2 so that the peripheral portion of the body 1 can be hit from the outside, and the belling mechanism 3 provided on the lower side of the main body 2 and sandwiching the main body 2 with the one body 1 on the center lines of each other. On the other hand, a clamp 4 for detachably attaching to a bicycle handle (not shown).

As shown in FIGS. 1 and 4, the one body 1 described above has a planar circular shape in which a bowl is turned down, and a through hole is formed at the top thereof. A synthetic resin cap 5 for connecting to the main body 2 and the clamp 4 side is attached to the one body 1 by a synthetic resin collar 6. The cap 5 is formed by integrally forming a connecting cylinder 5a having a connecting groove inside and capable of being inserted into the through hole of the one body 1, and a top portion 5b having a diameter larger than the through hole. Further, the collar 6 is formed in a tubular shape so as to be fitted to the outside of the connecting tube 5a. When the cap 5 is attached, the connecting cylinder 5a of the cap 5 is inserted into the through hole of the one body 1 from the upper side to protrude downward, and then the collar 6 is fitted to the connecting cylinder 5a from the lower surface side of the one body 1. To do.

As shown in FIG. 1, FIG. 2 and FIG. 4, the main body 2 described above has a substantially circular plate-like shape, and the outer periphery of the main body 2 substantially coincides with the outer periphery of the one body 1. Further, the main body 2 includes a tubular portion 7 having a support hole vertically penetrating along the center line thereof, a step portion 8 formed so as to project a lower portion of the tubular portion 7 to the outside, and the tubular portion 7 Three reinforcing plates 10, 10, 10 extending outward and reaching the side wall 9 are integrally formed. Drainage holes 9a, 9a, 9a are provided in the lower portion of the side wall 9. Further, the main body 2 has a notch 11 provided by notching a side wall 9 at a position facing the middle of the reinforcing plates 10, 10, and a side surface of the tubular portion 7 corresponding to the notch 11. A locking rod 12 extending in the vertical direction and projecting upward from the upper end of the tubular portion 7 and a pair of bearing plates 13, 13 projecting outside the side wall 9 at a position sandwiching the notch 11 are integrally formed. In addition, a knurl 14 is formed on the bottom surface of the main body 2.

As shown in FIGS. 1 to 4, the above-described bell-striking mechanism 3 includes a shaft support portion 15 fitted to a pin 15 a pivotally mounted on the bearing plates 13 and 13 of the main body 2, and from the shaft support portion 15. A hammer body including an arm 16 extending obliquely upward toward the outside and having a locking hole 16a at a midway portion thereof, and a disc-like repelling portion 17 provided at the tip of the arm 16 and having a striking portion 17a; From the inner end of the arm 18 to the step portion 8 of the cylindrical portion 7 of the main body 2, the locking hole 16a of the arm 16 and the locking rod 12 of the cylindrical portion 7 of the main body 2 at both ends. And a return spring 19 that locks. The hammer body and the stopper 18 are integrally formed of synthetic resin having appropriate elasticity, and the stopper 18 is formed so as to bend when a force of a predetermined amount or more is applied. The hammer body is urged by the return spring 19 so as to swing toward the one body 1 side with the pin 15a as a fulcrum, and the hammer body is restricted by the stopper 18, so that the hitting portion 17a is It is stopped at a position where it does not contact the one body 1. Here, when the repelling portion 17 is repelled downward, the hammer body oscillates due to the urging force of the return spring 19 and the tip is pressed against the stepped portion 8 of the tubular portion 7 with a force of a predetermined amount or more, so that the stopper 18 bends. The striking part 17a collides with the outer surface of the one body 1 and is hit.

As shown in FIGS. 1 and 4, the clamp 4 is rotatable in a ring-shaped band portion 20 for winding and tightening the bicycle handle and a support hole inside the tubular portion 7 of the main body 2. A rotary shaft 21 to be inserted into the rotary shaft 21 and a connecting shaft 22 extending above the rotary shaft 21 and connected to the one body 1 are integrally formed. Further, a step surface contacting the bottom surface of the main body 2 is provided at a boundary portion between the band portion 20 and the rotary shaft 21, and a knurl 23 is formed on the step surface. The band portion 20 is configured to be attached to a bicycle handle by inserting a mounting screw 24 from its end into a through hole formed on the root side and screwing it into a square nut 25 provided in the middle of the through hole. There is.

The bicycle bell of this embodiment is constructed by assembling the one body 1, the main body 2 and the clamp 4 described above. The procedure will be described. First, the connecting shaft 22 and the rotary shaft 21 of the clamp 4 are inserted into the support holes of the tubular portion 7 of the main body 2, and the step surface of the clamp 4 and the bottom surface of the main body 2 are brought into contact with each other. In this state, the connecting shaft 22 projects upward from the main body 2. Next, a ring-shaped synthetic resin click rubber 26 having elasticity is fitted on the connecting shaft 22. Then, while covering the main body 2 with the one body 1, the connecting shaft 22 of the clamp 4 is fitted into the connecting groove of the connecting cylinder 5a in the cap 5. Further, subsequently, the bottom surface of the main body 2 and the stepped surface of the clamp 4 are brought into contact with each other in a pressed state, and the inner surface of the connecting cylinder 5a of the cap 5 and the outer surface of the collar 6 and the inner surface of the connecting cylinder 5a and the outer surface of the connecting shaft 22. Are fixed and integrated.

The operation and effect of the bicycle bell of this embodiment configured as described above will be described. The striking portion 17a of the hammer body is always regulated by the stopper 18 so as not to come into contact with the one body 1, but when the flipping portion 17 is flipped downward, it is displaced while being accelerated by the urging force of the return spring 19, and the step portion. The stopper 18 that has collided with 8 and applied a predetermined force or more bends, and the striking portion 17a collides with the outer surface of the one body 1 to be hit. Further, after hitting, the bending of the stopper 18 disappears and the original state is restored (the striking portion 17a is separated from the one body 1). This bicycle bell has a simple structure and is not easily damaged because there is no part that locally exerts a large force or causes metal fatigue. Further, since the knurls 14 and 23 on the bottom surface of the main body 2 and the step surface of the clamp 4 are in contact with each other in a pressed state, the main body 2 rotates with respect to the clamp 4 under vibration or light impact during traveling. Although it does not happen, it is possible to change the position of the flipping part 7 because it can be forcibly rotated. Further, since the collar 6, the connecting cylinder 5a, and the connecting shaft 22 are fixed and integrated, no loosening occurs between these parts.

The present invention is not limited to the above-described embodiment. For example, the biasing member may be replaced with the return spring 19 and a hammer body may be interposed between the bearing plates 13 and 13 and the shaft support portion 15 on the one body 1 side. A tension spring that acts so as to displace may be used, and the stopper is not provided on the shaft supporting portion 15 portion like the stopper 18, but rather the arm 16 of the hammer body is locked to the side wall 9 of the main body 2. It may be provided on the side wall 9 instead of the hammer body. In addition, the hammer body itself may be bent at the time of hitting.

[0019]

[Effect of device]

 As described above, in the present invention, in the striking mechanism, the hammer body rotatably supported on the main body is rotated by the biasing force of the biasing member to strike the one body, so that the structure is simple. In addition, it has the effect that it is less likely to be damaged because there is no portion that locally exerts a large force or causes metal fatigue.

[Brief description of drawings]

FIG. 1 is a partial vertical sectional front view.

FIG. 2 is a plan view of the main body.

FIG. 3 is a plan view of a hammer body.

FIG. 4 is a side view.

[Explanation of symbols]

 1 One body 2 Main body 3 Striking mechanism 4 Clamp 12 Locking rod 13 Bearing plate 15 Shaft support 15a Pin 16 Arm 16a Locking hole 17 Repelling part 17a Hitting part 18 Stopper 19 Return spring

Claims (1)

[Scope of utility model registration request] 1. A bicycle bell in which a main body and a metallic one body are connected to each other on a center line, and a belling mechanism for hitting and striking the one body is attached to the main body, wherein the belling mechanism is provided. A hammer body that is displaceably supported by the main body so as to strike the outer surface of the one body, a biasing member that biases the hammer body so that the hammer body is displaced toward the one body side, and a biasing force that normally resists the biasing member. And a stopper for restricting the hammer body from coming into contact with the outer surface of the one body and allowing the hammer body to come into contact with the outer surface of the one body when a force of a predetermined value or more is applied thereto. Bell for.