JPS5829516Y2 - Kanketsu Hatsuon Souchi - Google Patents

Description

[Detailed description of the invention] The present invention relates to an intermittent sounding buzzer device that uses a ready-made buzzer that emits a continuous sound and attaches an intermittent oscillation device to the bottom of the buzzer so that it can be turned into a buzzer that emits an intermittent sound. The purpose is to provide a continuous buzzer with versatility.

The intermittent buzzer device that used to sound a buzzer intermittently to warn when a car is backing up was developed in 1976.
As is known from Publication No. 3390, instead of using a ready-made continuous sounding buzzer housed in a case, a continuous sounding device is attached to one side of a circular board, an intermittent oscillation circuit is attached to the other side, and lead wires on both sides are used. Because the whole thing was combined and housed in a case, it could only be used as an intermittent sounding buzzer.If a continuous sounding buzzer was needed, it would have to be manufactured completely separately. However, a continuous buzzer and an intermittent buzzer must be prepared separately, which has the disadvantage of increasing the production cost of the buzzer.

The present invention eliminates the drawbacks of the conventional continuous sounding buzzer by using an existing continuous sounding buzzer as it is and attaching an intermittent sounding device containing an intermittent oscillation circuit to the bottom of the buzzer to create an intermittent sounding buzzer device. be.

Next, an embodiment of the present invention shown in the accompanying drawings will be described in detail.

FIG. 1 is a circuit diagram of an intermittent buzzer device, where 1 is a continuous tone buzzer device and 2 is an intermittent oscillation circuit.

FIG. 2 shows a continuous sound buzzer device, in which a plurality of pins 4 are installed on a plate-shaped base 3, a coil 5 is wound around the center pin 4 via a bobbin 23, and the coil 5 includes the coil. A circuit board 6 on which an oscillation transistor, a bias resistor, etc. are mounted on the upper brim of the bobbin to form an oscillation circuit is mounted on the base 3 so as to maintain a predetermined gap from the head of the pin 4 on which the bobbin 23 is mounted. The vibrating body I and the sounding plate 8 are fixedly attached via the other planted pin heads, and then a case 9 having a sound emitting hole 9a is covered from above, and a plate-shaped base 3 is attached to the inner surface of the bottom part 9b of the case 9. are mated and fixed.

Reference numeral 10 denotes a guide hole for attaching an external member, and the buzzer can be fixed to a mounting plate (not shown) by inserting a screw or the like through the guide hole 10 for attaching.

3b is a lead wire guide hole provided at an appropriate location on the plate-shaped base 3.

Reference numeral 15 denotes a positioning step portion having a plate-like base protruding from the bottom of the case 9 so as to relatively position and fix the main body of the intermittent sounding device.

Figure 3 shows the main body of the intermittent sounding device, and the cup-shaped case 1
1 is the bottom part 9 of the case 9 forming the continuous sound buzzer device.
b is formed in the same shape as the case recess 11a.
Each electrical component constituting the intermittent oscillation circuit shown in FIG. 2 is internally fixed via a circuit board 12 mounted thereon.

13 is a lead wire for coupling with the continuous sound generating buzzer circuit; 14 is a lead wire led out of both cases and coupled to a power source; 11b is a guide hole 1 in the case.
This is a guide hole for external mounting formed at a position opposite to 0.

Reference numeral 16 denotes a positioning step portion formed to be compatible with the positioning step portion 15 formed on the continuous sound buzzer device, and when both cases are fitted, the external mounting guide holes 1o, i are formed.
It is formed so that the relative position of ib and the relative positional relationship between both cases are determined.

As described above, the continuous sound buzzer device and the intermittent sound buzzer device are configured independently as shown in FIGS. 2 and 3. When the ready-made continuous sound buzzer device 1 shown in FIG. 2 is used as an intermittent sound buzzer device, As shown in the assembly diagram in FIG. 4, the case 9 of the continuous sound buzzer device with the lead wire 13 connected to the continuous sound generating buzzer circuit shown in FIG. 3 in the state shown in FIG. The state before being attached and fixed to the
With the case 9 removed, the lead wires are guided through the guide hole in the plate-shaped base 3 and connected at a predetermined position on the circuit board 6.

Next, the case 9 is fitted and fixed to the plate-shaped base 3, and further, the power supply connection lead wire 14 is guided to the outside of both cases, and both cases are fitted and fixed via the positioning steps 15 and 16.

FIG. 5 shows a second embodiment of the present invention showing the fitted state of the case, in which the plate-shaped base 17 is positioned inward from the bottom surface of the case 18 to form a recess, and the intermittent sound device main body 19 has the recess. A convex portion that matches is formed.

FIG. 6 shows a third embodiment of the present invention showing the fitted state of the case, in which an annular recess 1 is formed between the outer periphery of the plate-shaped base 20 and the bottom inner surface of the case 21, and the intermittent sound device main body 22 is The shape is an annular protrusion that matches the recess.

According to the present invention, it is possible to make an intermittent sounding buzzer by using a ready-made buzzer that emits a continuous sound as is and attaching an intermittent sounding device to the bottom of the buzzer, so the intermittent sounding buzzer can be manufactured completely separately from the continuous sounding buzzer. By preparing a continuous sounding buzzer and an intermittent oscillation device, it is possible to easily assemble an intermittent sounding buzzer by combining the two, which has the practical effect of reducing the manufacturing cost as a whole. .

It should be noted that the gist of the present invention will not be changed even if the case of the continuous sounding buzzer is made integrally by drawing instead of using a plate-shaped base and the lid is closed from above.

[Brief explanation of the drawing]

Fig. 1 is an fH path diagram of one embodiment of the present invention, Fig. 2 is a front sectional view of one embodiment of a continuous sounding buzzer used in this invention, and Fig. 3 is a perspective view of an embodiment of an intermittent oscillation device used in this invention. 4 are front sectional views of one embodiment of the present invention, and FIGS. 5 and 6 are front sectional views of second and third embodiments showing the fitted state of the case. 1... Continuous sound buzzer device, 2... Intermittent oscillation circuit, 3... Plate-shaped base, 4...
・Pin, 5... Coil, 6... Circuit board, 7... Vibrating body, 8... Sound board, 9
...Case, 11...Cup-shaped case, 13゜14...Lead wire, 15,16...
...Stepped portion for positioning, 23...Bobbin.

Claims (1)

[Scope of utility model registration request] It consists of a continuous sounding buzzer, which is a complete product in itself and is equipped with all the parts necessary for continuous sounding, and an intermittent oscillation circuit housed in a cup-shaped case separate from the continuous sounding buzzer. a cup-shaped case so that its opening is covered by the bottom of the case of the continuous buzzer;
In addition to the above, an intermittent sounding buzzer device is provided in which a power terminal of the continuous sounding buzzer is connected to the intermittent oscillation circuit so that power is intermittently supplied thereto.