JPH02223738A - Electric hot plate - Google Patents

Abstract

PURPOSE:To make it easy to observe spilt broth which is staying on a device, clean the body, and replace the heating element by forming a body having a sunken part in the middle, by inserting the terminal ends of a sheathed heater into a holder and setting them in a through hole in such a manner as to made them freely movable up and down and rotatable, and by joining with the holder at its top a stopper to keep a heater in place. CONSTITUTION:Broth spilled during cooking stays in a sunken part 11a formed in a body 11 and does not fall into the inside of an under plate 19. The spilt broth staying on the body can be observed easily. The entire heater unit 13 is held by a through hole 17 in the body 11 and by a holder 18 in such a manner as to be slidable up and down and rotatable and with a stopper to keep the heater unit in place so that for the removal of spilt broth the cleaning can be done by a simple manner of handling. For the replacement of a heater 14, by unscrewing a heater stopper 16 the heater unit 13 can easily be dismounted from the holder 18 and by lifting the heater unit 13 upward the replacement in the wiring can be effected easily from the outside.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an electric stove that is used as a type buried in a kitchen table or the like.

BACKGROUND OF THE INVENTION Various conventional electric stoves of this type have been proposed on the market. For example, in the case of the electric stove shown in Japanese Utility Model Publication No. 81-4163, an opening is provided in the center of the body 1, as shown in FIG. The receiver having a hole is provided with a plate 2 and a decorative plate 3, and a box-shaped back plate 4 is fixed to the back surface of the body 1. A soup tray 5 is placed in the center of the back plate 4, facing the tray 2. In addition, a heating element 6 made of a sheathed heater provided on a supporting metal fitting is removably mounted on the upper part of the plate 2 and the decorative plate 3 of the receiver. The heating element 6, which is a sheathed heater, is formed in a spiral shape (not shown), and its both sides are bent downward and guided out toward the sides, and the receiver passes through a notch in the side of the plate 2. It is pulled out to the side. Further, a gasket 7 is attached to the outer peripheral edge of the body 1, and a table surface 8
It is clamped between the A mounting bracket 9 is set on the side surface of the back plate 7, and the entire vessel is suspended on the chiffle surface 8.

In the conventional electric stove configured as described above, when electricity is started, the heating element 6 consisting of a sheathed heater
generates heat, thereby supplying heat to the heated object in various types of cooking.

The boiled-over soup from the object to be heated during cooking is received by the tray 2, and if there is more than a certain amount of boiled-over soup, the soup falls into the tray 5 and is stored there. be.

Problems to be Solved by the Invention Since the conventional electric stove is constructed as described above, when cooking, when a large amount of boiled soup is left and the soup is discarded from the plate 5, the soup receiver is operated from the sheathed heater. or remove the heating element 6 made of a sheathed heater.
While rotating and lifting the plate 3. Remove plate 2 from the receiver,
In addition, the dish 5 must be removed from the inside of the back plate 4 to receive the soup, and as a result, the processing time is extremely time-consuming. In addition, normally, the juice reservoir stored in the saucer 6 cannot be observed from the outside, and in some cases, the juice may not be noticed until it spills from the saucer 5, staining the inside of the back plate 4. there were. Furthermore, since there are many parts to be cleaned, a lot of time is spent on cleaning, and as a result, the cost of the electric stove is high.

The present invention has been made in order to solve the above-mentioned problems of the conventional art, and it is possible to easily observe and confirm the accumulation of boiled liquid from the outside, and to extremely reduce the number of parts to be cleaned. The purpose of the present invention is to provide an electric stove with a simple shape, which can be moved and rotated with simple operation, reduces the effort required for cleaning, and is inexpensive in terms of cost.

Means for Solving the Problems In order to achieve the above object, the electric stove of the present invention includes a body having a concave central portion, and a transparent body provided at the uppermost side of the concave portion of the body. a hole, a heater unit placed on the upper surface of the central part of the body, and a box-shaped back plate placed below the body, with both ends of the sheathed heater of the heater unit placed downwardly. Bend it vertically, insert both ends into a mounting bracket whose upper part is larger than the diameter of the through-hole and whose lower part is approximately the same diameter, and lock a locking plate larger than the diameter of the through-hole at the bottom of the mounting bracket. Then, fit this mounting bracket into the through hole so that it can move up and down, and connect the heater stopper that is located on the top of the mounting bracket, is larger than the diameter of the mounting bracket, and is fixed to the end of the sheathed heater, and then the heater This allows for easy unit replacement from outside the vessel.

Function: With the above structure, the juice spilled during cooking is stored in the concave portion in the center of the body.
The storage condition can be easily observed from the outside, and dripping into the inside of the back plate can be prevented. In addition, the heater unit is located at the top of the body, and the heater stopper is fixed to the end of the sheathed heater.
The action of this heater stopper makes it possible to prevent liquids and foreign matter from entering the body through-hole, and the action of the mounting fitting allows the heater unit to be moved up and down, allowing for the removal of boiled liquid. It is easy to clean, guarantees electrical safety and high durability in the event of an abnormality, and even when replacing the heater unit, the heater stopper and mounting bracket can be easily separated from the outside, allowing the entire heater unit to be removed from the outside. It becomes replaceable.

Embodiments Hereinafter, embodiments of the present invention will be described based on the accompanying drawings.

1 to 3 show a first embodiment of the present invention. In the figures, 11 is a body, and this body 11 has a concave portion 11a in the center and has a rectangular shape. There is. Further, a packing 12 is attached to the outer peripheral edge of the body 11.

A heater unit 13 forming a heating section is placed in the concave portion 11a at the center of the body 11, and the heater unit 13 is attached to the body 11 so as to be movable up and down by a configuration described later. ing. The sheathed heater 14 constituting the heater unit 13 has heater support fittings 15 made of sheet metal provided radially from the center.
The effective heat generating part forms a spiral shape. The sheathed heater 14 is connected to the heater support fitting 15 at a proper position.

In addition, the spiral inner and outer circumferential end portions of the sheathed heater 14 extend substantially tangentially, and are bent vertically downward from an appropriate position on this extended portion, and the heater is stopped at an appropriate position on the vertical portion. They are fixedly connected using metal fittings 1e.

At the top of the rectangular body 11, a through hole 17 is provided in the course on the rear side of the vessel, and the end portion of the sheathed heater 14 described above is inserted into the through hole 17.

Both ends of the sheathed heater are inserted into mounting brackets 18 made of metal with good thermal conductivity, the upper part of which is larger than the through-hole assembly, and the lower part of which is approximately the same diameter.When normally installed, the lower part of the through-hole part 17 is always inserted into the mounting bracket 18. is closed.

A metal locking plate 1B& having an outer circumferential diameter larger than that of the through-hole assembly is locked to the lower part of the mounting bracket 18, and serves to prevent the heater unit from being removed when moving up and down. The heater stopper 16 described above is tightly screwed to the upper part of the mounting bracket 18 and has an outer circumferential diameter larger than the upper diameter of the mounting bracket 16.

A box-shaped back plate 19 is fixedly connected to the back surface of the body 11. A lead wire 20 is connected to the sheathed heater 14, and this lead wire 20 passes through the inside of the back plate 19 and is led out to the outside, and is connected to the control section 21.
is electrically coupled to. Incidentally, the length of the lead wire 20 is set to an appropriate length so as not to cause any trouble when replacing the heater unit, and is fixed at a proper position within the back plate 19. Further, the entire body is fixed to the joint surface 22 of the chi 7 by clamping the lid with a locking fitting 23 via a gasket 12.

The operation of the above configuration will now be described.

During cooking, the boiled liquid flows into the concave portion 1 of the body 11.
Since it is stored in 1a, it does not fall inside the back plate 19, and this storage state can be easily confirmed from the outside. In addition, when cleaning the boiled liquid stored in the concave portion 11a, the entire heater unit 13 is
Since the through hole 17 of the body 11 and the mounting bracket 18 are configured to allow two vertical sliding turns and to prevent removal, the concave portion 11a of the body 11 can be cleaned with a simple operation. This not only reduces the number of parts to be cleaned, but also improves processing and time efficiency.

In addition, since there is a heater attachment part in the rear corner of the container, it does not get in the way during normal cooking.
This allows for improved operability.

In addition to this, the temperature of the sealing part (final terminal part) of the sheathed heater 14 is preferably lower from the viewpoint of insulation properties and sealing material cost. Combined with the simplicity of the entire vessel, it produces good effects. Also, attach the mounting part to the body 11.
Since it is provided at the top of the heater stopper 16, it is possible to prevent as much as possible the infiltration of boiled liquid that overflows from the concave portion 11a of the body 11, and the heater stopper 16 always closes the through hole 17. As a result, it is possible to prevent spilled boiled juice from scattering and foreign matter from entering the housing, thereby preventing electrical breakdowns and staining the inside of the back plate 19.

In addition, since the mounting bracket 18 is made of metal with good thermal conductivity, heat conduction and heat diffusion are smooth, and it plays the role of lowering the temperature of the sealing part of the sheathed heater 14, and has insulation resistance. It is effective in ensuring that

As a result, it is possible to obtain an electric stove that has a small number of parts, is easy to clean, and is inexpensive. In addition, when replacing the heater, the mounting bracket 18 and the heater unit can be easily separated by removing the screw on the heater stopper, and by lifting the heater unit upward and processing the wiring, it can be easily removed from the outside. This is what makes it possible.

Figure 4 shows the metal locking plate 1 provided at the bottom of the mounting bracket 18.
The ground lead wire 2o is tightened at the same time as the locking plate 18a, and the locking plate 18a has a function to prevent removal and a grounding function to guarantee safety in the event of an abnormality.

In addition, FIG. 5 shows how to connect the heater stopper 16 and the sheathed heater 14 by providing a hole in the heater stopper 16 that is slightly larger than the sheathed heater pipe diameter, and after inserting the heater.
By pressing in an annular shape, the initial joint (with a peripheral part smaller than the outer diameter of the eve) eliminates gaps around the eave, guarantees high mechanical strength, and at the same time prevents corrosion of the interlocking part and high temperature resistance. A stainless steel plate, a corrosion-resistant metal, is used as the material to protect against corrosion caused by boiling over water and repeated external forces applied to the heater unit during operation. Furthermore, in FIG. 6 (&, b), the circumference of the body through-hole 17 is curled or a flange is provided to protrude upward, and the heater stopper 17 is made to protrude upward.
6. Provide a flange portion with the outer periphery facing downward, and bring the end surface of the flange portion into contact with the upper surface of the body 11 to close the through hole 17, and in conjunction with tightly coupling the heater stopper 16 and the mounting bracket 18, The flange portion of the heater fitting 16 and the peripheral protrusion of the body through hole portion 17 prevent liquids from entering the through hole portion from the outside.

Effects of the Invention As is clear from the description of the above embodiments, according to the present invention,
Since the liquid that boils over during cooking is stored in the concave portion in the center of the body, the extent of the storage can be observed from the outside, and it is possible to prevent the liquid from dripping into the inside of the back plate.

In addition, the heater unit is located at the top of the body, and the heater stopper is fixed to the end of the sheathed heater, so the action of the heater stopper allows
It is possible to prevent liquids and foreign objects from entering the through holes in the body, and the heater unit can be moved up and down by the action of the mounting bracket, making it easy to clean and remove boiled liquid. It is possible to obtain an electric stove that has a high level of cleaning, is durable, can be moved and rotated with simple operations, and is highly safe in the event of abnormalities.Furthermore, the heater can be easily replaced from the outside. This is what makes it possible.

[Brief explanation of the drawing]

Fig. 1 is a vertical sectional view of an electric stove according to the first embodiment of the present invention, Fig. 2 is a partial perspective view showing the electric stove installed in a kitchen unit, and Fig. 3 is a longitudinal sectional view of the electric stove according to the first embodiment of the present invention. A perspective view of a cooking stove, FIG. 4 is a partial vertical cross-sectional view showing a second embodiment of the present invention, and FIG. 6 is a vertical cross-sectional view of main parts showing a third embodiment of the present invention. a). (b) is a cross-sectional view of main parts showing the fourth embodiment of the present invention;
The figure is a longitudinal sectional view showing a conventional electric stove. 11...Body, 11a...Concave portion, 13...Heater unit, 14...
・Sheath Heat, 15... Heater support fittings,
18... Heater stopper, 17...
Through-hole part, 18...Mounting bracket, 18a...
- Locking plate, 19... Back plate. Name of agent: Patent attorney Shigetaka Awano and one other person

Claims (3)

[Claims] (1) A body with a concave central portion, a through hole provided at the top of the body, a heater unit placed on the upper surface of the central portion of the body, and a heater unit placed below the body. and a box-shaped back plate, with both ends of the sheathed heater of the heater unit bent vertically downward, and both ends having an upper part larger than the diameter of the through hole,
The lower part is inserted into a mounting bracket having approximately the same diameter, a locking plate larger than the diameter of the through-hole part is locked to the lower part of the mounting bracket, and this mounting bracket is inserted into the through-hole part of the body. An electric stove that is installed so as to be movable up and down, and is coupled with a heater stopper that is located above the mounting bracket, has a diameter larger than the diameter of the sheathed heater, and is fixed to the end of the sheathed heater. (2) The electric stove according to claim 1, wherein the heater stopper and the sheathed heater are fixed by an annular pressing engagement, and the heater stopper is formed of a stainless steel metal plate. (3) A periphery of the body through-hole protrudes upward, and a flange portion is provided with the outer periphery of the heater stopper facing downward and abuts against the upper surface of the body, thereby closing the through-hole. The electric stove described in paragraph 1.