JPH07328299A - Steam iron - Google Patents

Abstract

PURPOSE:To surely seal and couple a tank and an evaporation chamber by preventing deterioration of a cylindrical member connected to a nozzle part disposed in this tank by the effect of heat. CONSTITUTION:This steam iron is freely attachably and detachably provided with the tank 9 communicating with the evaporation chamber 3 disposed at the base 2 via the nozzle part 10 disposed at the bottom and the cylindrical member 7 connectable to the nozzle part 10 is arranged atop the evaporation chamber 3. The cylindrical member 7 is formed by disposing a coil spring on the inner side between the member and a cap fixed to the base 2 covering the front surface side of the evaporation chamber 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drip type steam iron in which a removable tank and a vaporization chamber are connected to each other through a nozzle portion, and in particular, water in the tank can be smoothly supplied to the vaporization chamber. The result is a stable steam blast.

[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 having the heater 1, and the vaporization chamber 3 is covered with the lid 4. The steam generated in the vaporization chamber 3 is ejected from the steam hole 6 to the outside through the steam passage 5.

The cylindrical member 7 is formed of a material such as silicon rubber which is heat resistant and has a good heat insulating property. The lower portion of the tubular member 7 is pressed by a cover 8 covering the upper surface side of the base 2 and fixed on the lid body 4. is doing.

The tank 9 is detachably provided above the cover 8, and the tubular member 7 is provided by a nozzle portion 10 provided at the bottom.
Combined with. Then, the water put into the tank 9 through the water injection port 11 is supplied to the vaporization chamber 3 from the nozzle portion 10 through the hole 12 of the tubular member 7. Further, the nozzle unit 10 is
The open / close rod 13 operated by the steam button 12 is opened and closed to control the supply of water to the vaporization chamber 3.

[0005]

In such a conventional structure, the tubular member 7 is held in a compressed state when the tank 9 is mounted in order to securely connect the detachable tank 9 and the vaporization chamber 3 with each other. Therefore, the tubular member 7 deteriorates and deforms due to long-term use. A coil spring 14 for urging the tubular member 7 toward the tank 9 is provided in order to compensate for such a decrease in elastic force and ensure the connection between the two by the tubular member 7.

However, this coil spring 14
Since the lower end of the base 2 is supported by the inner surface of the vaporization chamber 3 close to the heater 1, the heat of the base 2 is transferred to the tubular member 7 through the coil spring 14, and the tubular member 7 is overheated. There is a problem that deterioration is accelerated by heat.

Further, since the coil spring 14 is arranged in the vaporization chamber 3, evaporation residue such as water stain adheres to the coil spring 14,
Since the elastic characteristics are changed by hardening of this, there is a problem that the combined state of the tank 9 and the vaporization chamber 3 cannot be maintained for a long period of time and the sealing effect is lowered.

The tubular member 7 is a coil spring 1
Since it is configured to be pressed and fixed by the cover 8 in an unstable state supported by 4, the cylindrical member 7 installed on the lid 4
When the cover 8 is mounted from above, there is a problem that careful work must be performed so that the upward biasing force of the coil spring 14 acts on the tubular member 7 correctly.

Therefore, the present invention solves such a conventional problem, and prevents deterioration of the tubular member due to heat and surely seals and connects the tank and the vaporization chamber, so that water from the connecting portion and The first purpose is to prevent steam leakage. The second purpose is to eliminate the adverse effect of water stains and stabilize the biasing force of the coil spring. The third purpose is to improve workability during assembly.

[0010]

In order to achieve the above first object, the present invention provides a base heated by a heater, a vaporization chamber formed in the base, and a vaporization chamber covering the vaporization chamber. A lid fixed to the upper surface, a cover that covers the upper surface of the base, a removable tank that communicates with the vaporization chamber via a nozzle portion provided in the bottom, and a tank that is arranged on the lid and The first problem-solving means is provided with a tubular member connectable to the nozzle portion, and the tubular member is provided with a coil spring inside the lid.

In order to achieve the second object, the second member solving means is that the tubular member has a tubular passage portion inside the coil spring.

Further, in order to achieve the third object, the third member solving means is that the tubular member is attached to a holding portion formed on the cover.

[0013]

According to the first means for solving the problems of the present invention, the coil spring can be provided at a position distant from the base, and the tubular member can be prevented from being overheated due to heat conduction from the coil spring. It is possible to prevent deterioration of the member due to heat.

Further, according to the second problem solving means, in addition to the effect obtained by the first problem solving means, the coil spring can be positioned outside the cylindrical passage provided in the cylindrical member. .

Therefore, it is possible to eliminate direct contact with water or steam, and even if water vapor builds up in the vaporization chamber due to long-term use and water vapor adheres to the coil springs, the tank attachment / detachment operation performed when the iron is used As a result, it is possible to remove the scale by vertically moving the passage of the tubular member.

Further, according to the third means for solving the problems, it becomes possible to hold the tubular member and the coil spring on the cover side, and by installing the cover on the base, the tubular member and the coil spring can be held. It can be arranged at a predetermined position on the lid and in a state in which the upward biasing force properly acts on the tubular member.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. The same components as those in the conventional example are designated by the same reference numerals and the description thereof will be omitted. As shown in the figure, the coil spring 15 is arranged inside the tubular member 7 and holds it, and its lower end is in contact with the lid 4 and is provided between the coil spring 15 and the upper surface of the vaporization chamber 3.

The upper end of the coil spring 15 is fitted and held inside the tubular member 7, and
The tubular member 7 is fitted and attached to the holding portion 16 formed on the cover 8. By fixing the cover 8 on the base 2, the tubular member 7 and the coil spring 1 are attached.
5 can be arranged at a predetermined position on the lid 4.

A mounting portion 17 protruding downward is provided at the bottom of the tank 9, and the nozzle portion 1 fixed to the liquid honey by a general means such as ultrasonic welding is attached to the mounting portion 17.
0 is detachably connected to the vaporization chamber 3 via the tubular member 7.

The operation of the above structure will be described. When the steam button 12 is operated to raise the opening / closing rod 13, the water in the tank 9 flows from the hole 18 of the nozzle portion 10 to the vaporizing chamber 3 through the tubular member 7. Supplied. The steam generated in the vaporization chamber 3 is sent to the steam passage 5 and ejected from the steam hole 6.

Water dripping from the hole 18 of the nozzle portion 10 is
It hangs down in a spherical shape due to the surface tension, and drops due to the balance between the water head pressure in the tank 9 and the vapor pressure in the vaporization chamber 3. Therefore, the heat of the base 2 is not transferred to the tubular member 7 via the coil spring 15 and is not overheated, so that the deterioration due to the heat can be prevented and the steam button 1
When the open / close rod 13 is raised by 2, a stable steam squirt is always obtained.

Generally, a steam iron has a steam button 1
By pressing down the opening / closing rod 13 and closing the nozzle portion 10 by the operation of 2, it can be used as a dry iron in which steam does not spout. In this case, since the base 2 is maintained at a high temperature without being cooled by the water from the tank 9, the coil spring 15 can be eliminated by eliminating the inclusion that directly transfers the heat from the base 2 to the tubular member 7.
And it is particularly effective in preventing overheating of the tubular member 7 and maintaining it at a low temperature.

Next, a second embodiment of the present invention will be described with reference to FIG. The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. As shown in the figure, the tubular member 19 has a tubular passage portion 20 whose one end opens in a tubular shape toward the bottom surface of the vaporization chamber 3.

The tubular member 19 is made of a material such as silicon rubber which is heat resistant and has a good heat insulating property, and the coil spring 15 is arranged so as to surround the outside of the tubular passage portion 20. The lower end abuts on the lid 4 and is provided between the lower end and the upper surface of the vaporization chamber 3 to hold the tubular member 19.

The operation in the above structure will be explained. When the steam button 12 is operated to raise the open / close rod 13, the water in the tank 9 is supplied to the vaporizing chamber 3 from the hole 18 of the nozzle portion 10 through the tubular member 19. To be done. The steam generated in the vaporization chamber 3 is sent to the steam passage 5 and ejected from the steam hole 6.

The tubular member 19 is repeatedly compressed and unpressurized in accordance with the attachment / detachment operation of the tank 9, and the tubular member 19 is expanded / contracted in association with the attachment / detachment of the tank 9. Along with the operation, the tubular passage portion 20 provided inside the coil spring 15 also moves up and down.

Therefore, since the coil spring 15 is located outside the tubular passage portion 20 provided in the tubular member 19, the coil spring 15 is protected by the passage portion 20 without directly contacting water or steam, and is adversely affected by scale. Can be eliminated.

Further, even if water vapor builds up in the vaporization chamber 3 due to long-term use and adheres to the coil spring 15, the tank 9 is detached and attached when the iron is used.
By moving the passage portion 20 of the tubular member 19 up and down, the adhered scale can be removed, and the coil spring 1
It is possible to prevent curing in the state of being attached to No. 5.

[0029]

As described above, the steam iron of the present invention includes a base heated by a heater, a vaporization chamber formed in the base, and a lid body covering the vaporization chamber and fixed to the upper surface of the base. A cover that covers the upper surface side of the base, a removable tank that communicates with the vaporization chamber via a nozzle portion provided in the bottom portion, and that is disposed on the lid body, and
A tubular member that can be connected to the nozzle portion is provided, and the tubular member prevents deterioration of the tubular member due to heat by disposing a coil spring inside the lid. The tank and the vaporization chamber can be securely sealed and coupled, water and steam can be prevented from leaking from the coupled portion, and stable steam can be jetted.

Further, since the coil spring supporting the tubular member has the cylindrical passage portion inside, the passage portion can protect the coil spring, and the adverse effect of water scale can be eliminated. By the attaching / detaching operation of the tank, the passage portion moves up and down to remove the adhered water stains and stabilize the urging force, and a good seal connection between the tank and the vaporization chamber can be obtained for a long period of time.

Further, by attaching the tubular member to the holding portion formed on the cover, the tubular member and the coil spring can be held on the cover and integrally installed on the base, and the tubular member and the coil can be installed. The spring can be arranged at a predetermined position on the lid and in a state where the upward biasing force properly acts on the cylindrical member, and the workability at the time of assembly can be improved. .

[Brief description of drawings]

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

FIG. 2 is an enlarged cross-sectional view of the main part of the steam iron.

FIG. 3 is an enlarged sectional view of an essential part of a steam iron according to a second embodiment of the present invention.

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

[Explanation of symbols]

 2 Base 3 Vaporization chamber 4 Lid body 7 Cylindrical member 8 Cover 9 Tank 10 Nozzle part 15 Coil spring

Claims (3)

[Claims] 1. A base heated by a heater, a vaporization chamber formed in the base, a lid body that covers the vaporization chamber and is fixed to an upper surface of the base, a cover that covers an upper surface side of the base, and a bottom portion. A detachable tank that communicates with the vaporization chamber via a nozzle portion provided in, and a tubular member that is disposed on the lid and is connectable to the nozzle portion, and the tubular member, A steam iron in which a coil spring is arranged inside the lid. 2. The steam iron according to claim 1, wherein the tubular member has a tubular passage portion inside the coil spring. 3. The steam iron according to claim 1, wherein the tubular member is attached to a holding portion formed on the cover.