JPS6020397Y2 - Attachment/detaching device for iron attachment bottom plate - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a device for attaching and detaching an attachment bottom plate to a bottom plate of a steam iron.

When ironing synthetic fabrics or knits, the temperature of the bottom plate is high, so in order to eliminate the inconvenience of having to use a patch cloth to protect the fabric while ironing, the entire bottom surface of the bottom plate is covered and the bottom plate has the same shape as S. To provide a device to which an attachment bottom plate can be attached, which can be easily attached to and detached from the iron bottom plate, and which does not interfere with ironing work.

An embodiment of the present invention will be described below based on the drawings.

Reference numeral 1 denotes a bottom plate having a heater 2, which forms a vaporization chamber 3, and has a triangular recess 4 on the tip side of the boat-shaped lower surface, and one concentrated steam injection hole 5 communicating with the vaporization chamber 3.

6 is a switching valve installed in the vaporization chamber 3 to direct the steam in the vaporization chamber 3 to the bottom plate 1.
A valve port for supplying weak steam to a weak steam induction chamber 7 formed in the recess 4 with an auxiliary bottom plate (to be described later) is opened and closed.

Reference numeral 8 denotes a triangular auxiliary bottom plate that removably fits into the recess 4 of the bottom plate 1 and has a lower surface that is flush with the lower surface of the bottom plate 1, with a hollow part 8a on the upper surface and a hollow part in the hollow 4 of the bottom plate 1. 4a
The weak steam induction chamber 7 is formed by the above-mentioned weak steam induction chamber 7, and the lower surface has one concentrated steam jetting through hole 9a communicating with the concentrated steam jetting hole 5 and one through hole 9b for distributed steam jetting communicating with the weak steam induction chamber 7. A plurality of holes, for example six, are drilled in a U-shape along two sides of the outer triangle of the through-hole 9a.

The auxiliary bottom plate 8 is fastened to the bottom plate 1 by set screws 10.

Reference numeral 11 covers the top surface of the vaporization chamber 3 with a vaporization chamber lid installed on the bottom plate 1.

Reference numeral 12 denotes a valve stem of the switching valve 6, which is slidably vertically supported by the bottom plate 1 and the vaporization chamber cover 11, and a valve body 14, which is stopped by a stopper 13, is slidably mounted on the valve stem. It is set in.

A spring 15 is interposed between the valve body 14 and the vaporization chamber M11, and urges the valve body 14 in a direction to close the valve port 16.

Reference numeral 17 denotes a spring interposed between the flange at the end of the valve stem 12 projecting upward from the vaporization chamber cover 11 and the M11;
4 has a stronger spring action than the spring 15 that pushes the valve port 1 downward.
The valve body 14 is urged in a direction to be separated from the valve body 6 .

Therefore, in the normal state, the switching valve 6 opens the valve port 16 by the spring 17 which has an excellent spring action.

Reference numeral 18 denotes a water inlet that is bored into the vaporization chamber lid 11 and opens into the vaporization chamber 3.

19 is the bottom plate of the water tank, and a drip nozzle 20 is provided opposite to the water inlet 18.

Reference numeral 21 denotes an opening/closing rod of the dripping nozzle 20, which has a lower end facing the nozzle, penetrates inside the water tank, and has an upper end protruding above the tank, and is associated with a known switching push button 22, which can be opened and closed alternately by repeating the operation of the push button. The rod 21 is kept in the upper and lower positions, and the drip nozzle 20 is opened and closed to drop water droplets from the water tank into the vaporization chamber 3 to replenish water to obtain the necessary vapor pressure.

Reference numeral 23 denotes an operating rod facing the top surface of the switching valve 6, which projects vertically through the water tank, and whose upper end is associated with a known switching push button 24, and by repeating the operation of the push button, the switching valve is opened and closed alternately. .

The valve assumes the down position. At this time, the stroke of the valve stem 12 is long, so the valve body 14 does not restrict the valve body 14, and the valve body 14 reliably closes the valve port 16, and the steam in the vaporization chamber is ejected under strong pressure from the concentrated steam jet hole 5 through only the through hole 9a. be done.

When the valve assumes the upper position, the valve port 16 is opened and vaporized into the weak steam induction chamber 7; the steam in the chamber is sent and the steam pressure decreases throughout, and the through hole 9a for concentrated steam jetting and the through hole for distributed steam jetting 9
It ejects all at once with a lower vapor pressure than b.

25 is a heat-resistant elastic material, such as silicone, which covers the valve stem 12 of the switching valve on the upper surface of the vaporization chamber cover 11 and surrounds the space between the water injection port 1B and the dripping nozzle 20 to prevent steam from leaking from the vaporization chamber. It is a cover made of rubber.

26 is a cover provided on the upper surface of the bottom plate, 27 is a removable water tank placed on the vaporization chamber, 28 is a cover located under the water tank 27, and 29 is a handle.

3° is an attachment bottom plate that covers the entire lower surface of the iron sole plate 1, extends further from the rear end of the bottom plate, and is provided with a device for engaging and disengaging with the bottom plate 1.

Reference numeral 31 denotes a locking portion provided at the front end of the attachment bottom plate 30 and having an engaging portion with the tip 1a of the bottom plate 1 with an acute angle 31a on the inside.

Reference numeral 32 designates a floating plate having a U-shaped cross section and housed in a box-shaped portion 30a extending behind the attachment bottom plate, and the rear side plate bent at 3° is the box-shaped portion. It is slidably inserted into two support pins 33 planted inward in parallel with the bottom plate on the rear wall of a, and a locking pin 34 is installed parallel to the support pins 33 on the bent front side plate. Two locking pins 34 are installed, and the locking pins 34 slidably pass through the front wall of the box-shaped portion 30a and engage with an inclined surface 1b cut in one rear peripheral edge of the bottom plate 1.

Reference numeral 35 denotes two guide pins installed vertically in the box-shaped portion 30a of the attachment bottom plate 30, which are inserted into oval holes 32a drilled in the bottom of the floating plate 32 in parallel with the locking pins 34 to allow the floating movement. The plate is guided so that it moves smoothly in the axial direction of the locking pin.

36 is a compression spring interposed in the support pin 33, and the floating plate 32
The locking pin 34 is biased in the direction of engagement with the inclined surface 1b.

A plate cam 37 is rotatably fitted onto a small shaft 38 implanted in the center of the box-shaped portion 30a of the attachment bottom plate 30, and is rotated by an operating lever 39.

The cam surface is connected to the floating plate 3 when the operating lever 39 is in the position A in FIG.
2 and pushes the floating plate 32 against the spring force of the spring 36 to release the locking pin 34 from the inclined surface 1b. It has a lift amount that allows the locking pin 34 to engage with the inclined surface 1b without being pushed.

The knob portion 39a, which is bent upward from the rear end of the iron lever 39 into an L shape and covered with a heat insulating material, protrudes behind the iron bottom plate and has a pair of legs provided on both left and right sides of the rear end of the iron to allow the iron to stand upright. It is located between the leg protrusions 29a and is positioned so as not to protrude further rearward than the leg protrusions.

Reference numeral 40 denotes a protrusion of the plate cam that projects on the rotation plane of the plate gum 37. When the plate cam 37 is rotated to the A position of the operating lever 39 and the locking pin is removed from the inclined surface 1b, the attachment bottom plate 30 is rotated. A spring 41 is fixed to the front side wall of the box-shaped portion 30a.
to hold the locking pin 34 in the disengaged position.

Reference numeral 45 denotes a protrusion cut into the floating plate 32, and when a force is applied to forcibly slide the iron body backward with respect to the attachment bottom plate 30, the protrusion 45 hits the plate cam 37 and prevents the sliding. This prevents the attachment bottom plate and the iron body from coming off.

42 is a lid of the box-shaped portion 30a. Reference numeral 43 denotes a seal made of a heat-resistant elastic material, such as silicone rubber, which is provided all around the circumference of the attachment bottom plate 30 surrounding the jetting through hole, and when the attachment bottom plate is attached to the bottom plate 1, it tightly contacts the bottom surface. This prevents leakage of steam from the side periphery and forms a space between the bottom plate 1 and the attachment bottom plate.

43 is a through hole bored in the attachment bottom plate 30 facing the concentrated steam jetting through hole 9a of the auxiliary bottom plate 8, and 44 is a through hole bored in the same attachment bottom plate 30 facing the distributed steam jetting through hole 9b of the auxiliary bottom plate 8. A plurality of through holes are provided and arranged in a U shape.

To install the attachment bottom plate 30, use the operating lever 39.
Turn the knob 39a so that the plate cam 3 is in the A position.
7, move the floating plate 32 backward to recess the locking pin 34, place the iron on the attachment bottom plate 30, and press the bottom plate 1.
After the tip 1a is locked in the locking part 31, turn the knob 39a to set the operation lever 39 to the opening position, rotate the plate cam 37, and move the floating plate 32 and locking pin 34 forward by the force of the spring 36. It is engaged with the rear end inclined surface 1b of the bottom plate 1.

When removing it, it can be done by reversing the above procedure.

As described above, in this invention, the attachment bottom plate is attached to or removed from the iron bottom plate by holding the knob of the lever, so there is no risk of getting burned by touching both heated bottom plates, and the attachment/detachment operation can be done safely and easily. can do.

In addition, since the knob is located along the rear end of the iron body, when sliding the iron on fabric (normally sliding in the front and back direction of the iron), the knob crosses the iron's sliding direction. It has the feature that it does not protrude in the direction of ironing, so it can be ironed easily without getting caught on the fabric.

[Brief explanation of drawings]

FIG. 1 is a cross-sectional side view of the main part of this invention (line A--A in FIG. 2), and FIG. 2 is a top view of the bottom plate of the attachment. 1...Bottom plate, 29a...Leg protrusion, 3
0... Attachment bottom plate, 34...
Locking pin (locking member), 37...Plate cam, 39
......Operation lever 39a...Knob section.

Claims (3)

[Scope of utility model registration request] (1) In the attachment bottom plate 30 that is detachably attached to the lower surface of the iron sole plate 1, there is a hook member 34 provided on the attachment bottom plate 30 and detachably hooked to the outer peripheral edge of the iron sole plate 1, and the hook. A lever 39 for engaging and releasing the member from the outer peripheral edge of the iron sole plate 1, and a knob 39a at the tip of the lever.
A device for attaching and detaching a bottom plate of an iron attachment, characterized in that the bottom plate of an iron attachment is located along the rear end of an iron body. (2) The iron main body has a pair of leg protrusions 29a on both left and right sides of the rear end for standing the iron, and the knob part 39a is located between the pair of leg protrusions and the leg opening protrusion. The attachment/detachment device for an ironing attachment bottom plate according to claim 1, which is positioned so as not to protrude further rearward than the iron attachment bottom plate. (3) The rear part of the iron body protrudes rearward above the iron sole plate 1, and the latching member 34 is located below the rear part of the iron body and rearward of the iron sole plate 1, and the lever 39 is latched. Utility model registration claim 1 extending from the rear of the member 34 toward the rear end of the iron main body.
The attachment/detachment device for the iron attachment bottom plate according to item 1 or 2.