JPS6014473Y2 - Steam iron water tank - Google Patents

Description

[Detailed Description of the Invention] This invention relates to an improvement of a water storage tank for a steam iron that stores water for steam generation.

Recently, in order to make filling and draining the water tank easier, steam irons have been developed in which the water tank is detachably attached to the base, and when filling and draining, the water tank can be separated from the base and handled independently. is provided.

This type of steam iron water storage tank has a dripping nozzle on the outside of the tank body, which is molded from synthetic resin, and the water inside the tank body is sequentially dripped into the evaporation chamber of the base through this dripping nozzle. .

The drip nozzle is supported on the tank body by a holder, and the holder is attached to the tank body by conventional means.

That is, as shown in Fig. 1, a self-tapping part is provided on the bottom plate a of the tank body by screwing the material itself, and the self-tapping part is inserted from the outer surface of a holder C placed on the outer bottom surface of the bottom plate a. Insert the mounting screw d into the
Alternatively, as shown in Fig. 2, a metallic receiving plate f having a threaded part e is provided on the inner bottom surface of the bottom plate a, and the holder C is inserted from the outer surface of the holder C through the bottom plate a. A mounting screw d was screwed into the threaded part e, and the holder C was mounted by attaching the mounting screw d.

However, since the portion where the holder C is placed is connected to the evaporation chamber of the base, it is exposed to considerably high temperatures, and therefore, in the case of the former method, the heat of the holder C is conducted to the self-tapping portion through the mounting screw d.

Since the self-tapping part contacts the mounting screw d over a large area, the self-tapping part becomes locally hot and receives external force due to the difference in thermal expansion with the mounting screw d, which causes stress. As a result, there was a risk that cracks would occur and water inside the tank would leak out.

In the latter case, since the mounting screw d passes through the bottom plate a of the tank body, the second
As shown in the figure, it is necessary to provide a sealing material g such as an O-ring around the mounting screw d, and a unique receiving plate f is also required, which has the disadvantage of increasing costs.

This idea was created with a focus on these points.
The purpose is to provide a water storage tank for a steam iron that allows the holder to be mounted to the tank body at low cost and in a reliable manner without the risk of water leakage by improving the mounting structure of the holder. That is.

An embodiment of this invention will be described below with reference to FIGS. 3 to 5.

Figure 3 shows the entire steam iron, with 1 being the iron body and 2 a water tank.

The iron body 1 includes a base 3, a cover 4 covering the top surface of the base 3, a heat shield plate 5 provided on the top surface of the cover 4, and a handle attached to the radial end of the top surface of the heat shield plate 5. It consists of 6.

The water storage tank 2 includes a tank body 7 made of synthetic resin,
It consists of a drip nozzle 9 attached to the bottom surface of the tank body 7 via a holder 8.

The water storage tank 2 is detachably attached to the front end side of the handle 6, and in the attached state, the tank body 7
The water inside is appropriately dripped into the evaporation chamber of the base 3 through a dripping nozzle 9, and the dropped water becomes steam in the evaporation chamber, and the steam is spouted from the lower surface of the base 3.

Note that 10 is an inlet/outlet, and 11.11 is a switching button for switching water dripping.

Next, a structure for attaching the holder 8 to the tank body 7 will be explained.

Reference numeral 12 designates a bottom plate of the tank body 7, and a pair of screw insertion chambers 13.degree. 13 are formed in the inner bottom portion of the bottom plate 12.

This screw insertion chamber 13 has a cylindrical projecting wall 14 extending from the inner bottom surface of the bottom plate 12.
A synthetic resin lid 15 is attached to the upper opening of the protruding wall 14 by ultrasonic welding, thermal welding, adhesive bonding, etc. to form a watertight structure.

A ready-made nut 16, 16 is provided in advance inside each screw insertion chamber 13, 13.

The holder 8 provided on the outer bottom surface of the tank body 7 has mounting pieces 17 and 17 on both sides in the longitudinal direction.
．． The screw insertion chambers 13, 13 pass through the bottom plate 12 from the outer surface of 17.
Mounting screws 18, 18 are screwed into the inner nuts 16, 16, and the holder 8 is firmly attached to the bottom plate 12 by tightening these mounting screws 18, 18.

According to such a configuration, the mounting screws 18, 18 are attached to the bottom plate 1.
2, but the penetrating portion is a screw insertion chamber 13 with a watertight structure.
, 13, the tank body 7
There is no possibility that the water inside will leak out through the penetrating portion, so there is no need to provide sealing materials such as O-rings around the mounting screws 1B and 18 as in the past, and
A ready-made nut 16 is used as a threading member for the mounting screw 18.18.
．． 16, it can be constructed at low cost.

Then, the mounting screws 18, 18 are connected to the tank body 7 as in the conventional case.
The tank body 7 is not screwed into a self-tapping part formed in the material itself, but is screwed into a nut 16.16 that is separate from the tank body 7, so cracks occur in the tank body 7 as in the past Therefore, water leakage can be reliably prevented over a long period of time.

In the above embodiment, a watertight screw insertion chamber was formed on the bottom plate of the tank body in correspondence with each mounting screw, but this was replaced by a protruding wall on the inner bottom of the bottom plate 12a, as shown in FIG. 14a and the lid 15a form a single screw insertion chamber 13a with a watertight structure, and a pair of ready-made nuts 16a, 16a are provided in this screw insertion chamber 13a, and these nuts 16a,
Mounting screws 18a, 18a may be inserted into the holder 8a from the outer surface of the holder 8a through the bottom plate 12a.

As explained above, according to this invention, a watertight screw chamber is formed in the inner bottom of the tank body, a ready-made nut is installed in this screw chamber, and the bottom plate of the tank body is inserted from the outer surface of the holder. Since the holder is attached to the tank body by inserting the mounting screw through the nut in the screw insertion chamber and tightening the mounting screw, the holder can be installed at a low cost and in a reliable manner without fear of water leakage. It has the effect of being able to

[Brief explanation of the drawing]

Figures 1 and 2 are sectional views showing different conventional holder mounting structures, Figures 3 to 5 show an embodiment of this invention, and Figure 3 shows the iron body and water tank separated. A side view of the condition, Figure 4 is a bottom view of the water storage tank,
FIG. 5 is a sectional view taken along the line -V in FIG. 4, and FIG. 6 is a sectional view showing another embodiment of this invention. 7... Tank body, 8, 8a... Holder, 9゜9a... Dripping nozzle, 13, 13a...
...Screw insertion chamber, 16.16a...Natsuto,
18, 18a...Mounting screw.

Claims (1)

[Scope of utility model registration request] A drip nozzle is attached to the outer bottom of a tank body made of synthetic resin through a holder to drip water out of the tank body, and a watertight screw chamber is formed in the inner bottom of the tank body. A ready-made nut is installed in this screw insertion chamber, and a mounting screw is inserted from the outer surface of the holder through the bottom plate of the tank body into the nut in the screw insertion chamber, and by tightening this installation screw, the holder is attached to the tank body. A water storage tank for a steam iron, characterized in that it is attached to.