JPH0615213Y2 - Temperature controller for electric heating equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a temperature controller for an electric heating tool used to store a power cord connected to a temperature controller provided in an electric heating tool such as an electric blanket or an electric carpet. .

[Conventional example] Conventionally, there is an electric warming tool in which a power supply cord is wound around a temperature controller portion provided in a warming tool body to be housed.

As an example, the electric carpet shown in FIG. 6 is provided with a temperature controller unit 2 for turning on / off a power supply, controlling temperature, and the like at a corner portion of the carpet body 1. A power cord 3 is wound around the outer peripheral wall of the temperature controller unit 2.

A storage section 4 for storing the temperature controller section 2 is formed at a corner of the carpet body 1.

Therefore, the power cord 3 is wound around the outer peripheral wall of the temperature controller 2 and can be stored in the storage portion 4.
(See JP-A-62-46131) [Problems to be solved by the invention] However, in such an electric carpet,
When winding the power cord 3 around the outer peripheral wall of the temperature controller unit 2, it is necessary to take out the temperature controller unit 2 from the storage unit 4, hold the temperature controller unit 2 and the power cord 3 by hand, and wind them. There is a problem of this.

Further, since the power cord 3 is wound around the temperature controller unit 2 by hand, there is a problem that the power cord 3 will fall off from the temperature controller unit 2 if the winding state becomes loose.

[Purpose of the Invention] Therefore, an object of the present invention is to provide a temperature controller for an electric heating tool which can easily and accurately wind or pull out a power cord.

Another object of the present invention is to provide a temperature controller for an electric heating tool in which the winding structure of the power cord is simplified and the temperature controller is configured without any obstacle.

[Means for Solving the Problems] According to the present invention, an electric warming tool main body having a heating element, a temperature controller including a temperature control unit for controlling the temperature of the heating element of the main body, and the temperature controller are connected to the temperature controller. In an electric warming tool having a power cord for supplying power, a part of the temperature controller is formed in a dent shape so as to avoid internal parts inward of the temperature controller Section and a lid for covering the accommodating portion, and a shaft rod extending from the central portion of the accommodating portion to the lid, and the lid is rotatably supported on the shaft rod. A temperature controller for an electric heating tool is obtained, in which one end is connected to the temperature control unit, and the other end of the power cord is led out from a cord inlet / outlet formed in the lid through the storage unit. Be done.

[Operation] In the temperature controller of the electric heating tool of the present invention, when the lid rotatably supported by the shaft rod is rotated to one side,
The power cord can be wound up. Further, since the lid can be rotated in the direction opposite to the one direction, the power cord in the storage portion can be pulled out by pulling the power cord pulled out of the lid.

That is, when the power cord is stored, if the lid is rotated in one direction, the power cord enters the storage portion through the cord pull-out port and is wound around the shaft rod. Conversely, when pulling out the power cord from the storage part, pulling the power cord outside the lid allows the power cord wrapped around the shaft rod to be pulled out while the lid rotates.

[Embodiment] FIGS. 1 and 2 show an embodiment of a temperature controller for an electric heating tool of the present invention.

The illustrated temperature controller of the electric heating tool has an electric heating tool main body 11 such as an electric carpet, and a temperature controller 12 provided in a part of a peripheral portion of the main body 11.

A heating wire 13 and a temperature sensor (not shown) are arranged inside the main body 11.

Inside the temperature controller 12, a temperature control unit 14 such as a printed circuit board on which electric parts connected to the heating wire 3 and the temperature sensor are mounted is provided.

In addition to the temperature control unit 14, the temperature controller 12 is provided with a switch for turning on / off a power source and an operation unit 15 such as a temperature setting unit for changing a set temperature.

Further, on the upper surface of the temperature controller 12, a storage section 17 for storing the power cord 16 is formed. The storage portion 17 is a dent-shaped portion formed from the upper surface of the temperature controller 12 toward the inside.

A lid 19 is covered on the upper portion of the storage portion 17. Lid 1
Reference numeral 9 is a disk shape, and the peripheral edge of the lid 19 is the storage portion 1.
It is placed on a shoulder portion 20 formed on the upper part of 7. Lid 19
A hole 22 is formed in the central portion of. A shaft rod 27 is formed through the hole 22 so as to extend upward from the central portion of the bottom surface of the storage portion 17.

The shaft rod 27 and the hole 22 of the lid 19 are supported in an uncovered state. Therefore, the lid 19 can rotate in the horizontal direction about the shaft rod 27.

On the other hand, a groove 29 is formed on a part of the surface of the shoulder 20 of the storage unit 17. A ball 32 is provided in the groove 29 via a spring 31.

The ball 32 is formed on the back surface of the lid 19 and has a dent portion 3
5 is abutted.

Further, a power cord 16 for supplying power is connected to the temperature controller 12. One end of the power cord 16 is connected to the temperature controller 14. A power plug 36 is provided at the other end of the power supply 16.

This power plug 36 is a cord inlet / outlet 3 formed on the lid 19.
8 is connected to a power cord 16 derived from That is, the power cord 16 has entered the storage unit 17 from the temperature control unit 14.

At this time, the power cord 16 is fixed near the storage portion 17 or on the surface of the storage portion 17 so as not to be pulled inward from the outside of the storage portion 17.

The power cord 16 entering the inside of the storage portion 17 is wound around the shaft rod 27. The winding end of the power cord 16 is led out from the cord pull-out port 38 of the lid 19, and the end thereof is connected to the power plug 36.

Next, the work of winding and pulling out the power cord 16 will be described based on the embodiment.

First, when pulling out the power cord 16 from the storage portion 17 to the outside, pull out the power cord 16 led out from the cord inlet / outlet 38 of the lid 19 by hand as shown in FIGS. 3 and 4. Is done. At this time, when the power cord 16 is pulled, the lid 19 is pulled out while rotating around the shaft rod 27 and guiding the power cord 16 around the shaft rod 27 in order.

When the lid 19 is rotating, the balls 32 rotate while contacting the recessed portions 35 of the lid 19.

When the recessed portion 35 is formed intermittently, it becomes a so-called click mechanism, and the power cord 16 is pulled out while feeling the rotation of the lid 19.

In this way, when the power cord 16 is pulled out to the final winding portion, it is in the vicinity of the storage portion 17 or the storage portion 17
The drawer is stopped at the part that is fixed by and the drawer can be stopped.

Next, when storing the power cord 16 in the storing portion 17,
Handle 4 provided on the outer surface of the lid 19 away from the center
The knob lid 0 is rotated with the finger of 0.

When the lid 19 is rotated clockwise as shown by the arrow in FIG. 2, the power cord 16 is drawn from the cord inlet / outlet 38 toward the storage portion 17 and wound around the shaft rod 27.

In this way, the cord inlet / outlet 38 serves as a guide for pulling out or pulling in the power cord 16 and rotates with the lid 19 around the shaft 27, so that the power cord 16 is pulled in order and pulled out.

The cord inlet / outlet 38 may be formed with a hole larger than the outer diameter of the power cord 16 in the lid 19, or may be formed with a cutout portion in a part of the peripheral edge of the lid 19.

FIG. 3 shows another embodiment of the temperature controller for the electric heating tool of the present invention.

In the temperature controller 12, the lid 19 has a hemispherical shape. The lid 19 is provided so as to cover the storage portion 17 and is rotatably supported by the shaft rod 27.

When the power cord 16 is pulled in or pulled out using such a lid 19, the distance of the shaft rod 27 becomes long during winding, so that the power cord 16 can be wound very smoothly.

In the embodiment, the electric heating tool in which the temperature controller 12 is connected to the main body 11 is shown, but the electric heating tool in which the main body 11 and the temperature controller 12 are separated by the connection cord can also provide a similar configuration.

Further, although the housing portion 17 and the lid 19 are formed on the upper surface of the temperature controller 12, it goes without saying that the same structure can be formed on the lower surface of the temperature controller 12.

Further, as shown in FIG. 6, the cord inlet / outlet 38 has a sliding member 50 such as a ball bearing at the cord inlet / outlet 38.
When the ring member 51 incorporating the above is attached, the power cord 16 can be smoothly pulled in or pulled out.

[Effects of the Invention] As described above with reference to the embodiments, according to the temperature controller of the electric heating tool of the present invention, since it can be stored inside the temperature controller without touching the power cord, the storage operation is easy. .

Further, since the case of the temperature controller is made of resin, the housing part can be made at the same time when the molding is performed, so that the temperature controller of the electric heating tool having a simple structure and a low cost can be obtained.

Furthermore, since the storage part can be formed above the temperature control part,
Since a flat shape like a conventional temperature controller can be made, the temperature controller itself can be made thin and small.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of a temperature controller for an electric heating tool of the present invention, FIG. 2 is a perspective view of FIG. 1, FIG. 3 is a perspective view with a power cord pulled out, and FIG. Is a cross-sectional view of FIG. 3, FIG. 5 is a cross-sectional view showing another embodiment, FIG. 6 is a cross-sectional view showing one embodiment of a cord inlet / outlet, and FIG. 7 is a cross-sectional view of a temperature controller of a conventional electric heating tool. Is. 1 ... Electric carpet body, 2 ... Temperature controller section, 3 ... Power cord, 4 ... Storage section, 11 ... Electric heating tool body, 12 ... Temperature controller, 16 ... Power cord, 19 ... Lid , 22 …… one hole, 27 …… shaft rod, 38
…… Code entrance.

Claims (1)

[Scope of utility model registration request] 1. Electricity having an electric warming tool main body having a heating element, a temperature controller including a temperature control unit for controlling the temperature of the heating element of the main body, and a power supply cord connected to the temperature controller for power supply. In the warming tool, a part of the temperature controller is provided with a storage part for storing the power cord, which is formed in a dent shape by avoiding internal parts toward the inside of the temperature controller, and a lid for covering the storage part. Having a shaft rod extending from the central portion of the storage unit to the lid, the lid is rotatably supported on the shaft rod, and one end of the power cord is connected to the temperature control unit,
A temperature controller for an electric heating tool, wherein the other end of the power cord is led out from a cord inlet / outlet formed in the lid through the storage portion.