JPS5816710B2 - Alarm clock with snooze mechanism - Google Patents

Description

[Detailed description of the invention] The present invention relates to an alarm clock with a snooze mechanism.

Conventionally, this type of alarm clock with a snooze mechanism has been equipped with an operation button and a snooze cam that can be driven by a ratchet gear, and a pin is attached to either the operation button or the snooze cam, and a hole that engages with the pin is attached to the other. The snooze cam is configured to rotate the snooze cam by moving the operation button.

However, since the operation button and the snooze cam are engaged by a pin and a hole, the snooze cam can only rotate at a small angle corresponding to the movement of the operation button.

Therefore, in order to ensure reliable operation of the snooze mechanism, it is necessary to completely separate the snooze cam and ratchet gear and then engage them when the operation button is operated. It was difficult to operate accurately.

SUMMARY OF THE INVENTION An object of the present invention is to provide an alarm clock with a snooze mechanism that eliminates the above-mentioned drawbacks and allows the rotation angle of the snooze cam to be sufficiently large.

An alarm clock with a snooze mechanism according to the present invention will be explained below along with the drawings.

As shown in FIGS. 1 and 2, the case 1 has a through hole 2 formed with a protruding edge 3 that protrudes from the front and back sides at the periphery.
, a mechanism chamber 9 in which a boss 4 having a vertical pin 5, a support shaft 6 facing the boss 4 with a through hole 2 in between, and a vertical piece 7 having a guide hole 8 are disposed, and a battery. A power supply chamber 10 that accommodates a power supply chamber 10 is partitioned.

A hollow shaft tube 12 of the reference wheel 11 passes through and projects through the through hole 2, and the hollow shaft tube 12 has an engagement member that engages with the protruding edge 3 and functions to prevent the reference wheel 11 from being removed. A portion 13 is fixedly installed.

Further, the reference wheel 11 is provided with a pawl insertion hole 14.

The hollow shaft cylinder 16 of the hour hand wheel 15 is provided in the solid shaft cylinder 12 of the indicator wheel 11 so as to penetrate and protrude therefrom, and the hour hand wheel 15 is provided with an interlocking pawl 17 that can fit into the pawl insertion hole 14. is installed protrudingly.

The conductive push-up spring 18 is mounted on the base 1 provided at the corner of the mechanism chamber 9.
9 through a pin 20, and a dowel 2 approximately in the center.
A ring portion 21 having a dowel 2 is formed, and the dowel 2
2, the hour hand wheel 15 is pressed into contact with the hour hand wheel 15.

An L-shaped extension 23 is formed at the other end of the push-up spring 18, and the extension 23 has a tongue piece 24 extending at an angle perpendicular to the direction of extension of the push-up spring 18. It is provided.

The push-up spring 18 is a fixed contact that is inserted inward from a hole 25 in the side wall of the mechanism chamber 9 when the interlocking pawl 17 of the hour wheel 15, which is pressed by the push-up spring 18, engages the pawl insert hole 14. It is provided so as to be able to come into contact with the terminal board 26.

An operation button 27 that acts on the other end of the push-up spring 18 projects inward from a hole 28 in the side wall of the mechanism chamber 9, and its tip is inserted into the guide hole 8 of the vertical piece 7, and the recess 29 is inserted into the guide hole 8 of the vertical piece 7. one wall surface 30 of which has an extension portion 23 of the push-up spring 18.
The extension part 23 is mounted on the operating button 27 by pushing up the tongue part 24 of the button.

Further, a rack portion 33 that engages with a pinion portion 32 of a snooze pawl 31 pivotally supported on the support shaft 6 is provided at the tip of the operation button 27.
A hook-shaped locking portion 34 is extended therein.

Further, for the snooze pawl 31, an operation button 27 having a rack portion 33 that engages with a pinion portion 32 is provided in the mechanism chamber 9.
A spring load is applied that pushes the material outward.

The minute wheel 35 is connected to the hollow shaft cylinder 36 of the main plate 31.
8 is penetrated and held on the main plate 37, the intermediate shaft cylinder 36 is penetrated and protruded into the hollow shaft cylinder 16 of the hour hand wheel 15 via the push-up spring 18, and the snooze pawl 31 is A ratchet gear 39 and a pinion 40 are attached to which the locking part can be locked.

Further, the minute hand wheel 35 is meshed and connected to a second hand wheel 42 via a transmission wheel 41, and a second hand 43 fixed to the second hand wheel 42 passes through the main plate 37 and passes through the hollow shaft cylinder 3 of the minute hand wheel 35.
6 is penetrated and protruded.

The second hand wheel 42 is linked to an output shaft 50 of a rotor 49 via a fourth wheel 45, a third wheel 46, a second wheel 47, and a first wheel 48 with a circuit board 44 interposed therebetween.

The rotor 49 has a coil 5 connected to a battery in the power supply room 10 via a circuit block 51 attached to the circuit board 44.
It is provided to be driven by 2.

That is, as is well known, the coil 5 is activated by the operation of the circuit block 51.
A current is periodically passed through the coil 52, a magnetic field is generated around the coil 52, and the rotor 49 is driven to rotate.

A transmission wheel 53 that engages with the indicator wheel 11 is rotatably attached to the boss 4, and is prevented from being removed by a stop pin 54, and the vertical pin 5 has a transmission wheel 53 that engages with the pinion portion 40 of the minute wheel 35. 55 is pivotally supported.

Further, the pinion 56 of the minute wheel 55 is meshed and connected to the hour wheel 15.

A needle rotating shaft 59 is supported by a pin 5γ of the mechanism chamber 9 and protrudes from a cover 58 which is mounted on the case 1. A spring force of a spring 60 is applied to the needle rotating shaft 59, and its gear 61 is connected to the transmission wheel 53.
are interlocked and connected.

Furthermore, the operation of the alarm clock with snooze mechanism of the present invention will be explained in detail.

If the battery voltage of the power supply chamber 10 is applied now, the second hand wheel 42, the minute hand wheel 35, and the hour hand wheel 1 are applied through the coil 52 and the reduction gear.
5 is driven and the clock mechanism works.

Further, by rotating the needle rotating shaft 59, the indicator wheel 11 is rotated via the gear 61 and the transmission wheel 53, and the indicator wheel 11 can be set at an appropriate time.

When the set time is reached, the claw engagement hole 14 of the guide wheel 11 is opened.
When the interlocking pawl 17 of the hour hand wheel 15 engages, the reference wheel 11
Since the hour wheel 15 comes into contact with the hour hand wheel 15, the push-up spring 18 comes into contact with the fixed contact terminal plate 26, and a buzzer mechanism (not shown) connected between the push-up spring 18 and the fixed contact terminal plate 26 sounds. Become.

On the other hand, as shown in FIGS. 3 and 4, the push-up spring 18 comes into contact with the fixed contact terminal plate 26, and when the alarm buzzer is sounding, the buzzer sound is temporarily stopped.

That is, when performing a snooze operation, if the operation button 27 is pushed against the spring load from the position shown in FIGS. 3 and 4 to the position shown in FIGS. 5 and 6, the upper edge of one end surface 30 of the recess 29 As a result, the inclined tongue piece 24 of the extension portion 23 provided at the other end of the push-up spring 18 is pushed up.

Therefore, the free end of the push-up spring 18 separates from the fixed contact terminal plate 26, the circuit to the buzzer mechanism is opened, and the buzzer sound stops.

At the same time, the snooze claw 31 is
rotates counterclockwise, and the ratchet gear 3 of the minute hand 35
9 and reaches a position sufficiently spaced from the ratchet gear 39.

When the operating button 27 is released in this state, the snooze pawl 31 moves the operating button 27 back and rotates clockwise due to a suitable spring load, so that the locking portion 34 moves the minute hand as shown in FIG. It meshes with the ratchet gear 39 of the wheel 35.

In addition, when the locking portion 34 of the snooze pawl 31 is rotated by the ratchet gear 39 as the minute wheel 35 rotates after a certain period of time has elapsed, the spring load applied to the snooze pawl 31 causes the operation button 27 to be pressed. The extension portion 23 of the push-up spring 18 is moved back into the recess 29 of the operation button 27, and the free end of the push-up spring 18 comes into contact with the fixed contact terminal plate 26 again.
The buzzer will start sounding.

According to the alarm clock with a snooze mechanism of the present invention configured as described above, the rotation angle of the snooze pawl can be set sufficiently large when the operation button is activated, ensuring reliable operation and achieving compactness. Achieve significant effects, such as contributing to

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view of an alarm clock with a snooze mechanism of the present invention, FIG. 2 is a partially exploded perspective view of the same, and FIGS. 3 to 7 are explanatory diagrams of the operation of the same. 1...Case, 2...Through hole, 3...
...Protruding edge, 4...Boss, 5...Vertical pin, 6... Support shaft, 7... Vertical piece,
8... Guide hole, 9... Mechanism room, 10.
...Power supply room, 11...Reference car, 12...
...Hollow shaft cylinder, 13...Engagement part, 14...
...Claw insertion hole, 15...Hour hand wheel, 16...
...Hollow shaft cylinder, 17...Interlocking pawl, 18...
... Push-up spring, 19 ... Suspension section, 20 ...
・Pin, 21...Bent ring part, 22-Dowel, 23...
... Extension part, 24 ... Tongue piece, 25 ...
・Hole, 26...Fixed contact terminal plate, 27...
...Operation button, 28...hole, 29...
・Recess, 30...Wall surface, 31...Snooze pawl, 32...Pinion part, 33...
・Rack part, 34... Locking part, 35...
・Minute wheel, 36...Hollow shaft tube, 37...
・Main plate, 38...Hollow shaft tube, 39...
Ratchet gear, 40...Pinion, 41...
...Transmission wheel, 42...Second hand wheel, 43...
...Second hand, 44...Circuit board, 45...
・Fourth wheel, 46...Fifth wheel, 47...
Second bundle, 48... Number one wheel, 49... Rotor, 50... Output shaft, 51... Circuit block, 52...・Coil, 53...
Transmission wheel, 54... Stopping pin, 55... Mountain back wheel, 56... Pinion, 57...
Pin, 58... Song cover, 59... Needle turning shaft,
60...Spring, 61...Gear.

Claims (1)

[Scope of Claims] 1. A push-up spring that can come into contact with a rotating contact terminal plate is brought into contact with an hour hand wheel that can be brought into and out of contact with a reference wheel that is provided so as to be able to set the time. a snooze pawl that is rotatable by the operation button and is engaged with and connected to a locking part that can be locked to a ratchet gear attached to the minute hand wheel and a rack part of the operation button. An alarm clock with a snooze mechanism, characterized in that the pinion part is enclosed. 2. Claim 1, wherein a recess is formed in the operation button to fit the free end of a push-up spring, and the push-up spring is provided with an inclined tongue piece that can be pushed up by an upper edge of one wall of the recess. Alarm clock with snooze mechanism as described in section.