JPH0747270Y2 - Bell device - Google Patents

Description

[Detailed description of the device]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bell device, and more particularly to a bell device suitable for use in bicycles, tricycles and the like.

2. Description of the Related Art As a bell device used for bicycles, tricycles, etc., a striking lever protruding from the bottom of the bell is pushed downward against the resilience of a spring, and the pushing lever is released. It is known that a striking lever is caused to collide with a bell by the restoring force of the spring, thereby causing the bell to ring.

However, the conventional bell device has a drawback in that it has a large number of parts and the manufacturing process is complicated and expensive. That is, the mounting metal fittings for mounting the bell device to the handle are usually a metal fitting surrounding the half circumference of the handle, a metal fitting surrounding the remaining half circumference of the handle, and a support shaft connected to one of the metal fittings by welding or caulking. It has and. In addition, the bell is connected to the mounting bracket by integrally welding the bolt inside the central part of the hemispherical bell and screwing the bolt onto the female screw part screwed on the tip shaft part of the support shaft of the mounting bracket. Was. In addition to this, a striking lever and a spring are naturally required. Accordingly, the components of the conventional bell device require two metal fittings, a support shaft, a hemispherical bell, a bolt at the center of the bell, a striking lever and a spring, and the number of parts is large. . Furthermore, it is necessary to weld or crimp the support shaft to one of the mounting brackets, weld a bolt to the center of the bell, and screw a female screw portion to the tip shaft of the support shaft. Therefore, the manufacturing process is complicated, and the number of parts is large, which is expensive. In view of such circumstances, the present invention is
(EN) A bell device having a small number of parts and capable of simplifying a manufacturing process.

[Means for Solving the Problems] That is, the first aspect of the present invention is
As a structure of the above, a mounting member which is made of a synthetic resin material and integrally has a grip portion surrounding a handle and connected to the handle portion, and a support shaft protruding from the grip portion; A sleeve integrally fitted with an outer circumference of the shaft and having a flexible striking lever extending outward in the radial direction of the support shaft, a central portion of which is placed on the tip of the sleeve, and an outer circumferential surface of the striking lever. An opposing bell and a connecting member that is press-fitted and fixed to the tip end portion of the support shaft and connects the bell to the sleeve are provided. The present invention has, as a second configuration, a mounting member integrally formed with a grip part that is manufactured from a synthetic resin material and surrounds a handle and is connected to the handle part, and a support shaft protruding from the grip part, and one end part. A ring portion formed on the outer circumference of the support shaft, and a spring in which a striking lever is integrally connected to the other end portion extending from the ring portion outward in the radial direction of the support shaft, and the outer circumference of the support shaft. A bell that is fitted to the support shaft and holds the ring portion of the spring with the base portion of the support shaft; a bell having a center portion mounted on the tip portion of the sleeve and an outer peripheral surface facing the striking lever; A connecting member that is press-fitted and fixed to the tip of the support shaft and connects the bell to the sleeve is provided.

According to the first structure, the constituent parts are the mounting member, the sleeve, the bell, and the connecting member, so that the number of parts can be greatly reduced as compared with the conventional bell device. Since welding or screw processing is not required for manufacturing, it can be manufactured at low cost. Also in the assembling step, it is sufficient to fit the sleeve on the support shaft of the mounting member, then place the bell on the tip of the sleeve and press fit the connecting member to the tip of the support shaft. It can be easily assembled. Further, according to the second configuration, the component parts are the mounting member, the spring, the striking lever, the sleeve, the bell, and the connecting member, and the number of parts is larger than that of the first configuration, but the conventional bell device is nevertheless used. By comparison, the number of parts can be reduced, and since welding and screw processing are not required for manufacturing each part, the parts can be manufactured at low cost. Also in the assembling step, the ring portion of the spring is fitted on the support shaft of the mounting member, and then the sleeve is fitted, and then the bell is placed on the tip end portion of the sleeve to attach the connecting member to the support shaft. It suffices to press-fit and fix it to the tip portion of, and the assembly can be carried out very easily.

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the illustrated embodiments. In FIG. 1, a bell device 1 is attached to a handlebar 3 of a bicycle by an attachment member 2. The mounting member 2 is made of a synthetic resin material and integrally includes a grip portion 4 surrounding the handle 3 and connected thereto, and a support shaft 5 projecting from the grip portion 4 outward in the radial direction of the handle 3. I have it. The grip portion 4 of the mounting member 2 surrounds the handle 3, but is cut on the side opposite to the support shaft 5, and a nut 6 is embedded in one end portion 4a of the grip member 4 while the other end thereof is embedded. The grip portion 4 is fixed to the handle 3 by bringing the head portion of the bolt 7 into contact with the portion 4b and screwing the screw portion of the bolt 7 into the nut 6 for tightening. A sleeve 11 is fitted around the support shaft 5 of the mounting member 2, and a hemispherical bell 12 made of metal is provided at the upper end of the sleeve 11. At the intermediate height position of the outer peripheral portion of the sleeve 11, there is formed a conical disc portion 13 which projects slightly downward, and the disc portion 13 is located inside the hemispherical bell 12 and The bottom opening is closed. The outer peripheral portion of the disc portion 13 is
It is separated from the bell 12 so that it does not come into contact with the bell 12. The sleeve 11 is provided with a flexible striking lever 14 extending downward in the radial direction of the sleeve 11 at a position below the disc portion 13, and the striking lever 14 is provided below the striking lever 14 more than necessary. In addition, a stopper 15 is provided to prevent downward bending and damage.
The striking lever 14 faces the lower end surface of the outer periphery of the bell 12, and pushes the striking lever 14 downward against its own elasticity, and releases the pushing lever 14 to restore it by the elasticity. By striking the bell 12 with the striking lever 4 by force, the bell 12 can be made to ring. Further, the circumferential direction of the inner peripheral surface of the base portion below the sleeve 11 and the grip portion 4 of the mounting member 2 facing the circumferential direction.
Saw-toothed engaging portions 16 are formed in the circumferential direction of the upper surface of the handle, and by appropriately selecting the engaging position of each engaging portion 16, the striking lever 14 with respect to the longitudinal direction of the handle 3 is formed.
The projecting direction can be set to an appropriate direction, and the striking lever 14 is prevented from moving carelessly. The sleeve 11 and the disc portion 1
3, the striking lever 14, the stopper 15, and the engaging portion 16 are integrally manufactured by a synthetic resin material, and the engaging portion 16 on the mounting member 2 side is also integrally formed on the mounting member 2. Next, the bell 12 has a through hole 20 in the center thereof.
Through the upper end portion of the support shaft 5 into the through hole 20 to form the through hole 2 of the bell 12.
The peripheral portion of 0 is placed on the upper tip of the sleeve 11. The connecting member 21 for connecting the bell 12 to the sleeve 11 includes a disc-shaped pressing portion 22 and a flat plate-shaped press-fitting portion 23 extending downward from the lower surface of the central portion of the pressing portion. The connecting member 21 is integrally connected to the support shaft 5 by press-fitting and fixing 23 into an axially extending slit 24 formed in the upper tip of the support shaft 5. In this state, the peripheral portion of the through hole 20 of the bell 12 and the lower end surface of the pressing portion 22 of the connecting member 21 and the sleeve 1 are
1 and the upper end surface of the sleeve 1 and thereby the sleeve 1
It is connected to 1. In the above configuration, the bell device 1
When assembling, the sleeve 11 is fitted on the outer circumference of the support shaft 5 of the mounting member 2, and in this state, when the projecting direction of the striking lever 14 with respect to the grip portion 4 of the mounting member 2 is directed in the desired direction, 11 engaging portion 16 and grip portion 4
To engage with the engaging portion 16. Then, next, the central portion of the bell 12 is placed on the upper end portion of the sleeve 11, and the press-fitting portion 23 of the connecting member 21 is inserted into the slit 24 of the support shaft 5.
If it is press-fitted and fixed inside, the assembly of the bell device 1 is completed.
The bell device 1 includes the mounting member 2, the sleeve 11,
It is composed of the bell 12 and the connecting member 21, so that the number of parts can be far reduced as compared with the conventional bell device. Since the manufacturing of each component does not require welding or screwing as in the conventional case, the manufacturing process can be simplified as compared with the conventional apparatus which requires them, and the manufacturing cost can be reduced. As shown in FIG. 2, a slit 25 is formed along the longitudinal direction at the base of the striking lever 14 formed integrally with the sleeve 11,
As shown in FIG. 3, a wavy curved portion 26 may be formed,
Alternatively, although not shown, the striking lever may be formed in a tapered shape so that the root portion is thicker than the tip portion. Next, FIGS. 4 and 5 show another embodiment of the present invention.
In the present embodiment, the sleeve 11 and the striking lever 14 are constructed separately. That is, in this embodiment, the striking lever 14
Is integrally fixed to one end of the coil spring 31,
A ring portion 32 is formed integrally with the other end of the coil spring 31. The ring portion 32 is fitted around the outer circumference of the support shaft 5, and a pair of washers 33 are provided above and below the ring portion 32.
It is clamped and fixed between the base portion of the support shaft 5 and the sleeve 11 via. Further, in this embodiment, the stopper 15 and the engaging portion 16 of the first embodiment are omitted. The end of the coil spring 31 on the ring portion 32 side is fitted in a semi-cylindrical hole 34 formed on the outer circumference of the sleeve 11, whereby the striking lever 14 moves in the circumferential direction with respect to the sleeve 11. I try not to do it. Further, the portion connecting the end of the coil spring 31 on the ring portion 32 side and the ring portion 32 penetrates the slit portion 35 formed at the lower end of the sleeve 11 and extends in the radial direction of the support shaft 5.
On the inner peripheral surface of the lower end portion of the sleeve 11, a knurled portion 36 having a large number of circumferentially irregularities is formed below the ring portion 32 and the washer 33 of the coil spring 31.
Is formed. Then, on the outer peripheral surface of the support shaft 5, a hemispherical projection 37 that engages with each recess of the knurled portion 36.
At a plurality of positions, for example, at four positions at equal intervals in the circumferential direction of the support shaft 5.
It is provided in the place. The knurled portion 36 and the hemispherical projection 37 are made of synthetic resin to form the sleeve 11 or the support shaft 5.
The knurled portion 36 on the sleeve 11 side can be forcibly rotated with respect to the hemispherical projection 37 on the support shaft 5 side, and each hemispherical projection 37 is knurled at a required rotation position. The sleeve 11 and thus the striking lever 14 can be positioned relative to the support shaft 5 by respectively engaging the recesses of the part 36. Further, in this embodiment, the connecting member 21 is a disc-shaped pressing portion 22.
And a cylindrical press-fitting portion 23 extending downward from the lower surface thereof. The press-fitting portion 23 is press-fitted into the small-diameter portion 41 between the small-diameter portion 41 formed above the support shaft 5 and the sleeve 11. It is fixed to the support shaft 5. At this time, an octagonal engaging portion 42 is formed on the inner peripheral side of the upper end surface of the sleeve 11 as shown in FIG. 6, and the octagonal through hole 20 formed in the central portion of the bell 12 is formed as described above. By engaging with the engaging portion 42, both are integrally connected in the circumferential direction. The central portion of the bell 12 is sandwiched between the lower end surface of the pressing portion 22 of the connecting member 21 and the upper end surface of the sleeve 11 and connected to the sleeve 11. The other structure is substantially the same as that of the first embodiment shown in FIG.
The same or corresponding parts are designated by the same reference numerals as those in FIG. When assembling the bell device 1 in the present embodiment, first, the washer 33 on one side, the ring portion 32 of the coil spring 31, the washer 33 on the other side, and the sleeve 11 are sequentially fitted on the outer periphery of the support shaft 5. Then, next, when the striking direction of the striking lever 14 is oriented in a desired direction with respect to the grip portion 4 of the mounting member 2, the central portion of the bell 12 is placed on the upper end portion of the sleeve 11 and further the connecting member. The press-fitting portion 23 of 21 may be press-fitted and fixed to the small diameter portion 38 of the support shaft 5. In this state, the hemispherical protrusion 37 and the knurled portion 36
The striking lever 14 can be positioned at a desired position by engaging with the recessed portion of the bell. The sleeve 11 can be rotated with respect to the support shaft 5 via engagement with the shaped engagement portion 42, whereby the position of the striking lever 14 can be changed. The bell device 1 according to the present embodiment includes a mounting member 2, a sleeve 11, a bell 12, as basic components.
Since the connecting member 21, the coil spring 31 and the striking lever 14 can be used, the number of parts can be reduced as compared with the conventional bell device. Since each component does not require welding or screwing to be manufactured, the manufacturing process can be simplified as compared with the conventional device which requires them, and thus the manufacturing cost can be reduced. The end portion of the wire of the coil spring forming the ring portion 32 may be slightly protruded downward from the plane including the ring portion 32 toward the grip portion 4 to form the engaging portion. Then, the striking lever 14 can be positioned by engaging this engaging portion with any one of a plurality of engaging holes formed in the grip portion 4 in the circumferential direction of the support shaft 5. Further, the spring 31 is not limited to the coil spring, and a flat spring material may be cut into a desired shape, and in this case also, the engaging portion can be formed in the ring portion of the spring.

As described above, according to the present invention, it is possible to reduce the number of parts as compared with the conventional one, and moreover, the manufacturing of each part does not require welding or screwing, so that it can be manufactured at low cost. Further, the bell device can be assembled very easily.

[Brief description of drawings]

FIG. 1 is a sectional view showing a first embodiment of the present invention.

FIG. 2 is a sectional view of an essential part showing a modified example of the first embodiment.

FIG. 3 is a sectional view of an essential part showing another modification of the first embodiment.

FIG. 4 is a sectional view showing still another embodiment of the present invention.

5 is a cross-sectional view taken along the line VV of FIG.

FIG. 6 is an exploded perspective view of a main part of FIG.

[Explanation of symbols]

1 ... Bell device 2 ... Mounting member 3 ... Handle
4 ... Grip part 5 ... Support shaft 11 ... Sleeve 12 ... Bell
14 ... Hitting lever 21 ... Connecting member 31 ... Coil spring 32 ... Ring part

Claims (2)

[Scope of utility model registration request] 1. A mounting member which is made of a synthetic resin material and integrally has a grip portion which surrounds a handle and is connected to the handle and a support shaft which projects from the grip portion, and which is made of a synthetic resin material. A sleeve integrally fitted to the outer circumference of the support shaft and integrally having a flexible striking lever extending outward in the radial direction of the support shaft, a central portion of which is placed on the tip of the sleeve, and an outer peripheral surface of the striking lever. And a connecting member that is press-fitted and fixed to a tip end portion of the support shaft and connects the bell to a sleeve. 2. A mounting member, which is made of a synthetic resin material, integrally includes a grip portion surrounding a handle and connected to the handle portion, and a support shaft protruding from the grip portion, and a ring portion formed at one end portion. A spring, which is fitted to the outer periphery of the support shaft, and integrally connected to the other end of the support shaft, which extends radially outward of the support shaft, from a striking lever, is fitted to the outer periphery of the support shaft. A sleeve for sandwiching the ring portion of the spring with the base portion of the support shaft, a bell whose center portion is placed on the tip portion of the sleeve, and whose outer peripheral surface faces the striking lever, and a tip portion of the support shaft. A bell device, comprising: a coupling member that is press-fitted and fixed to the bell and that couples the bell to the sleeve.