JPH0759998A - Steam iron - Google Patents

Abstract

PURPOSE:To obtain a steam iron which can spray a stable steam by preventing the overheating of a conduit tube to feed the water in a water tank to a carbureter chamber. CONSTITUTION:While a conduit tube 21 to feed the water in a water tank 19 to a carbureter chamber 15 is held on a base 13 by a fixing plate 23, the fixing plate 23 is installed to a fixing member projecting by penetrating through a carbureter chamber lid 16 from the bottom of the carbureter chamber 15. As a result, the heat conduction from the fixing member to the fixing plate 23 is suppressed so as to prevent the overheating of the fixing plate 23, and the conduit tube 21 held by the fixing plate 23 can be maintained at a low temperature.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steam iron for smoothing wrinkles on clothes and the like.

[0002]

2. Description of the Related Art Conventionally, this type of steam iron is shown in FIG.
It had the structure shown in. That is, the vaporization chamber 3 is formed in the base 2 in which the heater 1 is embedded, and the water in the water tank 4 arranged above the base 2 is the water guiding body 5 arranged between the water tank 4 and the base 2. It is designed to be supplied to the vaporization chamber 3 through. A nozzle 7 that is manually opened and closed by a valve device 6 is provided at the bottom of the water tank 4, and a rubber cover 8 connects with the water guide body 5 to form a water channel.

On the other hand, a heat responsive valve device 1 which is opened and closed by a heat responsive member 9 provided on a base 2 on the water guide body 5.
0 is provided, and when the vaporization chamber 3 is at or below the proper vaporization temperature of water, the heat transfer valve device 10 shuts off the water guide 5.
Even if the valve device 6 was manually opened, the water in the water tank 4 was not supplied to the vaporization chamber 3.

[0004]

However, in such a conventional structure, the fixing plate 11 for holding the water guiding body 5 on the base 2 is attached to the base 2 outside the vaporization chamber 3 by the screw 12. The fixing plate 11 is overheated by the heat of the base 2 heated to a high temperature, the temperature of the water passing through the water conduit 5 rises and boils, and the flow of water is hindered by the bubbles generated in the water conduit. As a result, there has been a problem that the spouting of steam is stopped during use.

Further, the water guiding body 5 mounted on the base 2
And the nozzle 7 attached to the water tank 4 with the rubber cover 8
Since the water channel is formed by connecting with, when the base 2 is heated to a high temperature when the iron is used, the base 2 fixes the fixing plate 1
1, the heat is transmitted to the water guide body 5 to overheat, deformation or warpage occurs, the connection state between the nozzle 7 and the rubber cover 8 changes, the sealing performance deteriorates, and water leakage occurs. there were.

Further, since the nozzle 5 is located above the water conduit 5 and the rubber cover 8 which are overlapped with each other, the bottom surface of the water tank 4, that is, the top surface of the nozzle 7 is located above and above the base 2. I need to give it. As a result, the amount of water entering the water tank 4 becomes small, and it takes time and effort to add water during use, or the iron body becomes large in size to increase the amount of water in the water tank 4, resulting in poor usability. was there.

Therefore, it is a first object of the present invention to obtain a steam iron capable of preventing the water conductor from overheating and ejecting stable steam. The second purpose is to prevent water leakage from the connecting portion between the water tank and the vaporization chamber. The third purpose is to enhance the cooling effect of the water conduit.

[0008]

In order to achieve the first object, the steam iron of the present invention comprises a base heated by a heater, a vaporization chamber provided in the base, and a vaporization chamber of the vaporization chamber. A vaporization chamber lid that covers the upper surface side, a cover that covers the upper surface side of the base, a water tank arranged on the upper surface side of the cover, and a water guide body that supplies the water in the water tank to the vaporization chamber, The water guide body is held on the base, and a fixing plate attached to a fixing portion projecting from the vaporization chamber through the vaporization chamber lid is provided.

In order to achieve the second object, the steam iron of the present invention comprises a base heated by a heater, a vaporization chamber provided in the base, a cover for covering the upper surface side of the base, and The water tank provided on the upper surface side of the cover, the water guide body for supplying the water in the water tank to the vaporization chamber, and the opening / closing body for controlling the water supply to the vaporization chamber, the upper surface of the water guide body The first problem solving means is to form the water passage by covering the side with packing having a nozzle portion.

Further, in order to achieve the second object, the steam iron of the present invention has a second problem solving means in which the outer bottom surface of the cover is brought into contact with the upper surface of the packing.

[0011]

With the above structure, the steam iron of the present invention has a structure in which the fixing portion provided in the vaporization chamber is cooled by the water supplied to the vaporization chamber and is maintained at a temperature lower than that of the base outside the vaporization chamber. Thus, it becomes possible to prevent the fixing plate from overheating due to heat conduction from the fixing portion. Therefore, the temperature of the water conductor held by this fixing plate is also kept low.

Further, since the water passage is formed by covering the upper surface side of the water guiding body with the packing having the nozzle portion, the water guiding body can be integrally provided with the nozzle portion, and the water guiding body and the nozzle portion are water-tight. The joint can be eliminated and the distance between the base and the water tank can be reduced.

Further, the outer bottom surface of the cover is brought into contact with the upper surface of the packing so that the water stored in the water tank can enhance the cooling effect of the water in the water passage through the packing. It will be.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. 1 to 3, 13 is a heater 14
The vaporization chamber 15 is formed by a base in which is embedded, and the upper surface thereof is covered with the vaporization chamber lid 16. 17 is the base 13
A cover 18 covering the upper surface side of the cover 17 is a handle attached to the upper surface side of the cover 17 in a watertight manner, and a water tank 19 is constituted by the cover 17 and a grip portion 20 is provided on the upper portion thereof.

Reference numeral 21 is a vaporization chamber 1 for the water in the water tank 19.
5 is a water guide body, and a water passage 22 that opens into the vaporization chamber 15 is provided on the outlet side thereof. 23 is this water guide 21
Is mounted on the base 13 by a screw 25 to a fixing portion 24 protruding from the bottom of the vaporization chamber 15 through the vaporization chamber lid 16.

Reference numeral 26 is a packing having a nozzle portion 27 attached to the upper surface side of the water guide body 21, which forms a water passage 28 together with the water guide body 21, and is connected to the water outlet side of the nozzle portion 27. A notch 29 is provided. Reference numeral 30 denotes a vertically movable opening / closing body that controls the water supply to the vaporization chamber 15 by opening / closing the nozzle portion 27, and the steam button 3 linked to the upper end thereof.
The opening / closing body 30 is operated by the pressing operation of 1.

Reference numeral 32 denotes a heat-responsive member made of bimetal disposed on the base 13, which is located on the base 13 side when the vaporization chamber 15 is below the proper vaporization temperature of water, and moves upward when the vaporization temperature of water is reached. Invert operation. Reference numeral 33 is an interlocking plate that opens the water passage 28 by interlocking with the upward displacement of the heat responsive member 32 to raise the connecting rod 34 by the lever action.

Next, the operation of the configuration of this embodiment will be described. First, when the heater 13 is energized to heat the base 13 and the vaporization chamber 15 reaches the proper vaporization temperature of water,
The heat responsive member 32 reverses upward, and in conjunction with this, one end of the interlocking plate 33 rises by the lever action to push up the connecting rod 34 and open the water passage 28.

When the opening / closing body 30 is operated by pressing the steam button 31 to open the nozzle portion 27, the water stored in the water tank 19 is provided with a notch portion provided on the outflow side of the nozzle portion 27. From 29, enter the water passage 28,
It is supplied into the vaporization chamber 15 via a water channel 22 provided on the outlet side of.

The water supplied to the vaporization chamber 15 is instantly vaporized and ejected from the steam holes 35 to the outside. At this time,
The temperature of the vaporization chamber 15 is lowered by vaporizing water,
The fixing portion 24 formed in the vaporization chamber 15 also comes into contact with water and steam to be cooled, and the temperature thereof decreases together with the vaporization chamber 15.

Therefore, the fixing portion 24 is attached to the vaporization chamber lid 1
The heat conduction to the fixed plate 23 that is fixed by projecting from 6 is also suppressed, the overheating of the fixed plate 23 can be prevented, and the water guide 21 held by this can be maintained at a low temperature. As a result, the water supplied to the vaporization chamber 15 through the water guiding body 21 does not boil and generate bubbles, and the water can be smoothly circulated and the steam can be stably ejected.

Then, even when the base 13 has dropped to a temperature below the appropriate temperature for vaporizing water, or when the base 13 is left downward with water remaining in the water tank 19 after use, the heat responsive member 32 is used. Turns downward and the water passage 28
Therefore, even if the nozzle portion 27 is opened, it is possible to prevent water from flowing out to the vaporization chamber 15.

Further, the nozzle portion 27 is provided with the water guide body 2.
1 is integrally formed with the packing 26 that forms the water passage 28, and the cutout portion 29 is provided on the outflow side of the water. It is designed so that it can be drained to anyone.

Therefore, the vertical heights of the nozzle portion 27 provided on the inlet side of the water guide 21 and the water passage 22 provided on the outlet side can be suppressed to a minimum, and the amount of water in the water tank 19 is determined. Since the bottom surface of the cover 16 can be lowered to approach the upper surface of the base 13, a large amount of water can be stored in the water tank 19 without increasing the size of the iron.

Further, the nozzle portion 27 is formed by a packing 26 fitted and watertightly joined to the outer periphery of the water guide body 21, and the cover 1 is provided on the upper surface of the packing 26.
The outer bottom surface of 6 is abutted against and pressed to ensure the attachment of the packing 26 to the water guide body 21, and
Only by applying a predetermined pressing force to the packing 26 by the cover 16, the water-tight connection between the water tank 19 and the vaporization chamber 15 can be ensured and water leakage can be prevented.

Moreover, the upper surface of the packing 26 is kept at a low temperature by the water in the water tank 19 in the cover 17
Since they are in contact with each other, the packing 26 and the water passage 28 formed by the packing 26 can be kept at a low temperature. Therefore, the cooling effect of the water passing through the water passage 28 can be enhanced, and the water passage 28
It is intended to prevent the formation of air vesicles inside.

Although this embodiment has been described with reference to a general iron, the same effect can be obtained in a cordless iron in which an iron body is placed on a table and heated, and a water tank is attached to and detached from the iron body. The same effect can be obtained with a freely used steam iron.

[0028]

As described above, in the steam iron of the present invention, the base heated by the heater, the vaporizing chamber provided in the base, the vaporizing chamber lid covering the upper surface side of the vaporizing chamber, and the base of the vaporizing chamber. A cover covering the upper surface side, a water tank arranged on the upper surface side of the cover, a water guide body for supplying water in the water tank to the vaporization chamber, and holding the water guide body on the base, Since the fixing plate is attached to the fixing portion projecting from the vaporizing chamber and penetrating the vaporizing chamber lid, overheating of the fixing plate due to heat conduction from the fixing portion is prevented, and the water conductor is kept at a low temperature. be able to. Therefore, the water supplied to the vaporization chamber through the water guide body does not boil to generate bubbles, and the steam can be stably ejected.

Further, the base heated by the heater, the vaporization chamber provided in the base, the cover covering the upper surface side of the base, the water tank arranged on the upper surface side of the cover, and the water tank. A water conduit for supplying the water in the vaporization chamber and an opening / closing body for controlling the water supply to the vaporization chamber were provided, and the upper surface side of the water conduit was covered with a packing having a nozzle portion to form a water passage. As a result, the water-tight connection between the water tank and the vaporization chamber can be ensured to prevent water leakage, and the height can be reduced to increase the capacity of the water tank without enlarging the shape of the iron. .

Further, since the outer bottom surface of the cover is brought into contact with the upper surface of the packing, it is possible to enhance the cooling effect of the water passing through the water passage and prevent boiling, and the water supply is stopped by the bubbles. It is possible to squirt steam stably without being.

[Brief description of drawings]

FIG. 1 is a sectional view of an essential part of a steam iron showing an embodiment of the present invention.

FIG. 2 is a top view of a main part of the base of the steam iron.

FIG. 3 is a top view of the steam iron with the vaporization chamber lid of the base removed.

FIG. 4 is a sectional view of a main part of a conventional steam iron.

[Explanation of symbols]

 13 base 14 heater 15 vaporization chamber 16 vaporization chamber lid 17 cover 18 handle 19 water tank 20 grip portion 21 water conduit 23 fixing plate 24 fixing portion

Claims (3)

[Claims] 1. A base heated by a heater, a vaporization chamber provided in the base, a vaporization chamber lid that covers the upper surface side of the vaporization chamber, a cover that covers the upper surface side of the base, and an upper surface of the cover. A water tank disposed on the side, a water guide body for supplying water in the water tank to the vaporization chamber, and holding the water guide body on the base, and penetrating the vaporization chamber lid from the vaporization chamber. A steam iron equipped with a fixing plate attached to a protruding fixing portion. 2. A base heated by a heater, a vaporization chamber provided in the base, a cover covering the upper surface side of the base, a water tank arranged on the upper surface side of the cover, and the water tank. A water conduit for supplying the water in the vaporization chamber and an opening / closing body for controlling the water supply to the vaporization chamber were provided, and the upper surface side of the water conduit was covered with a packing having a nozzle portion to form a water passage. Steam iron. 3. The steam iron according to claim 2, wherein the outer bottom surface of the cover is in contact with the upper surface of the packing.