JPS5928594Y2 - timer - Google Patents

Description

[Detailed explanation of the invention] For example, a timer installed in an appliance that handles water, such as an electric washing machine, is equipped with a drain hole in the case in advance to prevent water from entering the timer. There is.

By the way, although the presence of this drainage hole is necessary, when timer manufacturers transport their products for delivery to customers, they must cover each hole with adhesive tape or the like to prevent dust from entering during the process. Not only that, but considering that the tape that had been glued to the cut corner would have to be peeled off again by the customer, it became clear that this was an unreasonable and wasteful task.

Another problem with installing the timer to the instrument body is that if the mounting position is different, the top and bottom positions of the holes will be different, making it impossible to standardize the lid that makes up the case. Of course, this can be solved by creating a large number of holes in the direction of the mounting posture, but in that case, you will have to apply adhesive tape to all the base holes as described above.
It goes without saying that the work of plugging holes becomes increasingly troublesome.

Therefore, the present invention has been devised in view of the above-mentioned disadvantages.

First, details of the embodiment will be described with reference to the drawings.

Reference numeral 1 denotes a timer case made of synthetic resin that houses a timer driving section (not shown) inside, and the case 1 is composed of a main case 2 and a lid 3 that is closely fitted to the main case 2.

Therefore, the main feature of the present invention is to provide a drain hole having the following structure.

That is, a thin, short cylindrical outward protrusion 4 is formed on the flat bottom surface of the case, the base of which is integrally connected to the flat bottom surface, and has a hollow portion 4' inside that communicates with the inside of the case, and whose outer end is closed. It is something.

Incidentally, the protrusions 4 are provided at several locations at equal intervals close to the outer edge.

Since the present invention is constructed as described above, there is no need for the conventional work of closing the hole with tape or the like when transporting the timer, and the drain hole can be easily opened by simply cutting off the protrusion. can.

In particular, according to the present invention, when opening the drain hole, since the base of the protrusion constituting the drain hole is integrally connected to the flat bottom surface, the bottom surface is opened by applying a knife or the like to the flat bottom surface. It can be safely resected as a guide.

Moreover, since the protrusion has a thin cylindrical shape, it can be cut lightly and sharply without resistance, and since the cut is made cleanly, the hole will not be blocked by paris, etc., so even if the drainage hole is small, it can be cut reliably. The water can be drained.

[Brief explanation of the drawing]

FIG. 1 is a partially cutaway side view, and FIG. 2 is a rear view of the same. 1...Synthetic resin case, 4...Occluded protrusion.

Claims (1)

[Scope of utility model registration request] In a timer of the type in which several drainage holes are formed at appropriate intervals near the outer edge of the flat bottom surface of a sealed synthetic resin case that houses the drive unit, the drainage holes have their bases located on the flat bottom surface. A water drain hole structure for a timer, characterized in that it is formed of a thin, short cylindrical outward protrusion whose outer end is closed and which extends integrally and communicates with the inside of the case.