JPS60129091A - Steam iron - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a drip-type steam iron for general household use.

Structure of the conventional example and its problems Conventionally, in this type of steam iron, as shown in FIG. was the majority.

In this way, the vaporization chamber 1 and the steam chamber 2 are connected by the pair of passages 3.
When connecting these, there were the following drawbacks.

That is, since there is only one pair (only one place) of the passage 3 that connects the vaporization chamber 1 and the steam chamber 2, the steam ejection is located in the vicinity of this passage 3 within the numerous steam injection holes 40 provided in the steam chamber 2. Steam is ejected vigorously from the hole 4, but the steam ejected from the steam ejection hole 4 located further away from the passage 3 (i.e. near the front and rear of the base surface) has a weaker force. .

That is, the steam tends to be ejected unevenly from the steam ejection holes 4 provided in the base 5.

Now, the amount of steam ejected (approximately the amount of steam ejected per minute), which is one measure of the performance of a steam iron, is almost directly proportional to the cross-sectional area of the passage 3. Generally about 10ccZ)
In order to obtain this, it was necessary to increase the cross-sectional area of the passage 3 to some extent. However, the passage 3 of conventional steam irons is often provided near the vaporizing chamber 1, and as described above, when the cross-sectional area of the passage 3 is increased, the following problems occur. In other words, the amount of water dripping from the tank and the vaporization capacity in the vaporization chamber 1 will vary when steam is emitted with the base surface temperature set low or when steam is emitted while the iron is tilted. Unbalance occurs, and water that is not vaporized flows out from the passage 3 provided near the vaporization chamber 1 to the steam chamber 2, and the water is directly ejected from the steam outlet 4 onto the base surface. There was a limit to the extent to which the cross-sectional area could be increased. Therefore, it has been difficult to completely satisfy both the conflicting phenomena of steam ejection amount and water leakage.

OBJECT OF THE INVENTION The present invention solves these conventional problems and provides a steam iron in which steam is ejected uniformly over the entire base surface and a sufficient amount of steam can be obtained without water leakage. It is something. , Structure of the Invention The steam iron of the present invention comprises: a base having a heater; a vaporization chamber formed on the base; a steam chamber communicating with the vaporization chamber and provided with a large number of steam ejection holes; a lid mounted on a base covering and sealing watertightly over the vaporization chamber, the vaporization chamber and the vapor chamber being defined by a wall formed along the heater; A plurality of steam passages are provided to communicate with each other, and as the steam passages are moved away from the vaporization chamber
It has a larger cross-sectional area, and with the above configuration,
To obtain a steam iron which can uniformly discharge steam from a base surface and can obtain a sufficient amount of steam without leaking water.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to accompanying drawings.

In Figure 2, 5 is the base in which the heater 6 is embedded, 7
Reference numeral 8 indicates a vaporization chamber provided in the base 5, 8 indicates a steam outlet provided in the steam chamber 11, and 9-a, 9-b, and 9-c each indicate a steam passage. As mentioned above, the cross-sectional area S of the steam passage increases as it moves away from the vaporization chamber 7. That is, the cross-sectional area is 39-a>59-b>59-a.

To explain the operation in the above configuration, water flows from the tank,
It is dropped into the vaporization chamber 7, where it is vaporized by the heat of the heater 6. The vaporized steam is transferred to the steam chamber 11 with low internal pressure through the steam passage 9-a.

Trying to exit through 9-b and 9-a.

By the way, naturally, vaporized steam comes out more easily from the steam passage closer to the vaporization chamber 7. Therefore, if the cross-sectional areas of the steam passages 9-a, 9-b, and hC are the same, vaporized steam will come out more easily in the order of 9-a, 9-b, and 9-c, and the steam will be ejected uniformly. I can't do that.

However, according to the present invention, the vaporized steam is
By making the cross-sectional area of the steam passage 9-a, where vaporized steam is most likely to exit to the steam chamber 11, the smallest, and the cross-sectional area of the steam passage 9-c, where vaporized steam is least likely to come out into the steam chamber 11, the cross-sectional area of the steam passage 9-c is the largest.
When the vaporized steam exits to the steam chamber 11, the steam passes through the steam passages 9-a and 9-b.

It was possible to make the amount of steam coming out from 9-c almost the same, and finally it became possible to make the steam jetting out from the base uniform.

Furthermore, as mentioned in the conventional example, if there is an imbalance between the amount of water dripping from the tank and the vaporization capacity in the vaporization chamber 7, the water may not be completely vaporized in the vaporization chamber 7. Excess water flows out from the steam passageway into the steam chamber 11, but naturally the water jumps out more easily than from the steam passageway closer to the vaporization chamber 7.

However, in the steam passage of the present invention, the cross-sectional area of the steam passage ga near the vaporization chamber 7 is made the smallest. Therefore, splashing of water from the vaporization chamber 7 to the steam chamber 11 is suppressed. In addition, the steam passage 9-b with a large cross-sectional area
, 9-C are located far from the vaporization chamber 7, so even if water that did not vaporize in the vaporization chamber 7 would be vaporized while passing through the heated base surface 10, it would jump out into the steam chamber 11 as water. There isn't.

Furthermore, as in this embodiment, the steam passage 9-a,
The effect can be further improved by installing 9-b and 9-c on the heater 6 or at a higher position than the inner bottom surface of the vaporization chamber 7. The reason for this is that when the water in the vaporization chamber 7 jumps out to the steam chamber 11, it is difficult to jump out because there is a steam passage in a high position, and it also goes over the heater 6, so it is sufficiently reheated there and temporarily flows out as water from the vaporization chamber 7. Even if it comes out, it will be vaporized there and will not go out to the steam room 11 as water. In this way, even if there is an imbalance between the amount of dripping and the vaporizing ability, a steam iron can be obtained in which water will not be ejected from the steam chamber 114 or the steam outlet 8.

Effects of the Invention As is clear from the above embodiments, the steam iron of the present invention is provided with a plurality of steam passages that communicate between the vaporization chambers, and the steam passages are disconnected as the distance from the vaporization chamber increases. By increasing the area, it is possible to provide a steam iron that can uniformly eject steam from the base surface and can obtain a sufficient amount of steam without leaking water.

[Brief explanation of the drawing]

FIG. 1 is a plan view showing a steam passage of a conventional steam iron, and FIG. 2 is a plan view of a steam passage of a steam iron showing an embodiment of the present invention. 7... Vaporization chamber, 8... Steam outlet, 9-a. 9-b, 9-c...Steam passage, 11...
steam room.

Claims (3)

[Claims] (1) A base having a heater, a vaporization chamber formed on the base, a steam chamber communicating with the vaporization chamber and provided with a large number of steam ejection holes, and a watertight structure that covers the vaporization chamber and the vaporization chamber and is watertight. the vaporizing chamber and the vapor chamber are defined by a wall formed along the heater, and the wall has a plurality of steam passages communicating between the vaporizing chamber and the vapor chamber. A steam iron in which the cross-sectional area of the steam passage increases as it moves away from the vaporization chamber. (2) A steam iron according to claim (1), wherein each steam passage is arranged above a heater. (3) The steam iron according to claim (1), wherein each steam passage is located at a higher position than the inner bottom surface of the vaporizing chamber, and the length thereof varies in the direction in which the wall extends.