JPH0620010Y2 - Electric cooker - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention provides an electric cooker such as an oven toaster.

[Conventional technology]

For example, a conventional oven toaster provided with a switch for changing the wattage of an electric heater is provided. The switch mounting plate to which the main body of the switch is fixed is screwed to a portion extending from a side wall of the cooker body that forms the cooking chamber or a front panel that forms the front of the cooker body. At the same time, a thin metal decorative plate is attached to the front of the cooker body. After the switch is attached, the decorative plate is attached to the cooker body so as to cover the switch body. Further, the decorative plate is not a simple flat plate but is formed with the opposite bending edges on the back surface side and has a through hole. An operator of the switch such as a push button is inserted into the through hole so as to be operable from the outside.

[Problems to be solved by the invention]

Then, the gap between the through hole of the decorative plate and the operator provided through the decorative plate is considered to be as inconspicuous as possible in appearance, but according to the conventional configuration as described above,
The position of the operator and the through hole may not be accurate due to variations in the mounting position of the switch mounting plate, variations in the mounting position of the decorative plate, and distortions that occur in the decorative plate. Then, the outer periphery of the operator and the edge of the through hole abut against each other and rub against each other, which hinders smooth operation of the operator and scratches the operator. Further, there is no conventional reinforcement for a decorative plate having a bent edge on the back side, and therefore, the decorative plate may be sticky when the switch is operated due to the distortion of the decorative plate itself. It was

Therefore, an object of the present invention is to provide an electric cooker capable of preventing the operator from rubbing against the edge of the through hole and also preventing the decorative plate from sticking.

[Means for solving problems]

Therefore, in the electric cooker of the present invention, the switch mounting plate to which the main body of the switch is fixed is provided with the fitting convex portion provided on one side of the switch mounting plate and the opposite bending edge and on the other side. The decorative plate is positioned through a fitting positioning means composed of a fitting portion, and the other end side engages a connecting claw provided on the facing bending edge with a locking hole provided on the switch mounting plate. By doing so, both ends are respectively connected to the opposite bending edges, and the switch mounting plate is integrated with the rear surface side of the decorative plate, thereby achieving the above object.

[Action]

In the assembly of the electric cooker according to the present invention, the switch mounting plate for mounting the switch and the decorative plate are integrated in advance before the decorative plate is attached to the cooker body. This integration is achieved by connecting both sides of the switch mounting plate to the opposite bending edges of the decorative plate, respectively. Then, upon this connection, the switch mounting plate and the decorative plate are positioned with respect to each other through the fitting positioning means composed of the fitting convex portion and the fitting portion which are fitted to each other. Further, the switch mounting plate is fixed to the opposite bending edges of the decorative plate by the engagement of the connecting claw and the locking hole so as to extend between the bending edges. The decorative plate in which the switch mounting plate is thus integrated in advance is mounted on the cooker body. Therefore, the variation in the attachment of the decorative plate to the cooker body does not affect the positional relationship between the through hole of the decorative plate and the operation member of the switch. The mounting plate is accurately positioned with respect to the decorative plate, and based on this, the positions of the through hole and the switch operator are also determined so that they do not hit, so the outer surface of the operator and the edge of the through hole rub against each other. Can be prevented. And
The switch mounting plates, which are provided over the opposite bending edges of the thin metal decorative plate, prevent the bending edges from opening and reinforce the decorative plate, preventing the surface of the decorative plate from sticking. it can.

〔Example〕

 An embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, FIG. 3, and FIG. 4, reference numeral 1 is a cooker main body, which is formed by covering a cooking chamber 2 (see FIG. 1) having a front opening with an outer case 3. The cooking chamber 2 has a bottom plate 4 (see FIG. 4).
And a pair of left and right side walls 5 (only one of which is shown in the figure) erected on the upper surface, and a reflection plate (not shown) that partitions the upper side and the rear side of the side walls 5 from each other. The outer case 3 includes a case main portion 6 (see FIG. 4) that covers the upper and the rear of the cooking chamber 2, and a horizontal member 7 (see FIG. 4) that is provided between the upper surfaces of the front end portions of the left and right side walls 5. It is formed of a pair of left and right case side plates 8 (only one of which is shown in each of FIGS. 1 and 3) provided to cover the sides of the cooking chamber 2. Each of the above members is made of sheet metal.

A door 9 for opening and closing a front opening of the cooking chamber 2 is provided on the front surface of the cooker main body 1, and a horizontal pivot shaft 10 is provided through the lower end portion thereof.
It is attached so that it can rotate freely. The fourth
Reference numeral 11 in the figure denotes a bearing piece that is integral with the side wall 5 and supports the end of the pivot 10. In addition, reference numeral 12 in FIG. 1 denotes a grill which is movably housed in the cooking chamber 2 along the front-rear direction, and which is an interlocking link 13 penetrating a front bent portion 5a of the side wall 5 (see FIG. 1). It is connected to the door 9 via the and is moved back and forth according to the opening and closing of the door 9.

A decorative plate 14 is attached to one side of the front surface of the cooker body 1. The decorative plate 14 is made of a thin metal plate, and on the back surface side thereof, upper and lower bending edges 14a and 14b facing each other are provided as shown in FIGS. Bending edges 14c and 14d are provided. To attach the decorative plate 14 to the cooker main body 1,
After the hooking claw 15 provided on the bending edge 14a is inserted into the slit-shaped locking hole 16 (see FIG. 4) provided on the horizontal member 7 from above, the protruding piece 17 provided on the bending edge 14b is inserted. It is carried out by screwing a screw 18 which is inserted through the hole 17a into the bottom plate 4.

As shown in FIG. 2, one of the bending edges 14 c and 14 d facing each other, for example, the bending edge 14 d, has a fitting projection 20 having a pair of upper and lower positioning step portions 19 which are substantially parallel to the surface of the decorative plate 14. Is bent. The fitting protrusion 20 of this embodiment has a substantially T-shape. The protrusion 20 is provided with, for example, a pair of locking holes 21. Further, a plurality of connecting claws 22 are provided on the other bending edge 14c at substantially the same height position as the fitting protrusion 20. Further, a plurality of through holes 23 are formed on the surface of the decorative plate 14 between the fitting convex portion 20 and the connecting claw 22, and holes 24 are formed below the through holes 23. .

A switch mounting plate 25 made of metal is mounted on the rear surface of the decorative plate 14 as described later. This attachment plate 25 is integrally attached to the decorative plate 14 in advance before attaching the decorative plate 14 to the cooker body 1. A switch 26 is fixed to the switch mounting plate 25 with a screw 27. The switch 26 switches the wattage of an electric heater (not shown) provided in the cooking chamber 2 and has a plurality of push button type operators 28. Each operator 28 is inserted through the through hole 23 of the decorative plate 14 and is operated from the outside of the cooker body 1.

As shown in FIG. 2 and the like, a connecting claw 29 is fitted on one side of the switch mounting plate 25 where a wall portion 25a, which is substantially parallel to the bending edge 24d, is bent and which is fitted into the locking hole 21 with a press fit. Is cut and raised in the L-shaped bent portion 25b,
The wall portion 25a is provided with a fitting portion 30 which is a notch that engages with the positioning step portion 19 of the fitting convex portion 20.
The fitting convex portion 20 and the fitting portion 30 form a positioning means for accurately positioning the switch mounting plate 25 with respect to the decorative plate 14. Further, the other side of the switch mounting plate 14 has a plurality of locking holes 31 to which the connecting claws 22 are connected.
And a hole 3 through which the operator 28 is inserted.
2, the switch mounting plate 25 is provided as follows.
Mounted on. First, with the bent edge 14d side of the decorative plate 14 and the wall portion 25a side of the switch mounting plate 25 slanted so as to abut against each other, the fitting convex portion 20 of the decorative plate 14 is formed.
Connecting claw 2 between the locking hole 21 and the switch mounting plate 25 provided on the
9 and 9 are fitted into each other with a press fit, and at the same time, the positioning step portion 19 of the fitting convex portion 20 and the fitting portion 30 of the switch mounting plate 25.
And fit. Next, the bent edge 14c side of the decorative plate 14 and the locking hole 31 side of the switch mounting plate 25 are brought close to each other, and the connecting claw 22 of the decorative plate 14 is inserted into the locking hole 31. Then, the fitting convex portion 20 and the fitting portion 30 are fitted,
The switch mounting plate 25 is positioned vertically and horizontally with respect to the decorative plate 14 by the engagement between the connecting claw 29 and the locking hole 21 and the engagement between the connecting claw 22 and the locking hole 31. Finally,
The connecting claw 22 is bent along the back surface of the switch mounting plate 25. By this bending and fitting of the fitting portion 30 to the bent portion 25b and the fitting projection 20, the movement of the switch mounting plate 25 in the front-rear direction is stopped.

According to the procedure described above, the switch mounting plate 25 can be easily placed horizontally on the upper back surface of the decorative plate 14 without using screws or welding.

Then, the switch 26 is fixed to the fixed switch mounting plate 25 with the screw 27, and the tip of the operator 28 of the switch 26 is inserted into the through hole 23 of the decorative plate 14 by the fixing. Since the variation in the fixed position of the switch 26 due to this screwing is small enough to be ignored, the operator 2
The outer surface of 8 does not contact the edge of the through hole 23.

A timer 33 (not shown) for setting the energization time to the electric heater is screwed to the lower portion of the decorative plate 14.

As described above, in the electric cooker having the above-described configuration, the switch mounting plate 25 for mounting the switch 26 and the decorative plate 14 are integrated in advance before the decorative plate 14 is attached to the cooker body 1, and the integrated structure is also integrated. At this time, the switch mounting plate 25 and the decorative plate 14 are positioned with respect to each other through the fitting positioning means composed of the fitting convex portion 20 and the fitting portion 30 which are fitted to each other.

Therefore, when the decorative plate 14 in which the switch mounting plate 25 is previously integrated is attached to the cooker main body 1 as described above,
Even if there is variation in the mounting position, the variation is caused by the through hole 23 of the decorative plate 14 and the operator 28 of the switch 26.
It does not affect the positional relationship with.

Along with this, the switch mounting plate 25 can be accurately positioned with respect to the decorative plate 14 by the positioning by the above-described fitting positioning means, and based on that, the through hole 23 and the switch 26 are provided.
The position of the control element 28 can also be determined so as not to hit them.

Therefore, rubbing between the outer surface of the operator 28 and the edge of the through hole 23 can be prevented, smooth operability of the switch 26 can be ensured, and the operator 28 is not damaged by the edge of the through hole 23.

The bent edges 14c, 1 of the decorative plate 14 made of a thin metal plate
The decorative plate 14 can be reinforced by the switch mounting plate 25 provided over 4d.
It is possible to prevent 4c and 14d from moving to open. Therefore, the surface of the decorative plate 14 can be prevented from sticking.

According to the present invention, the fitting convex portion 20 is provided on the switch mounting plate 2.
5 and the fitting portion 30 may be provided on the decorative plate 14, respectively.

[Effect of device]

According to the present invention having the structure described in the above-mentioned utility model registration claim, even if the mounting position of the decorative plate with respect to the cooker body varies, it is the position of the through hole of the decorative plate and the switch operator. Because it will not affect the relationship,
There is no rubbing between the outer surface of the operator and the edge of the through hole, ensuring smooth operability of the switch, and the effect that scratches on the operator can be eliminated, and the decorative plate is reinforced with a switch mounting plate. As a result, there is also an effect that the stickiness of the surface of the decorative plate can be prevented. Moreover, the switch mounting plate can be easily mounted on the rear surface side of the decorative plate without using screwing or welding.

[Brief description of drawings]

FIG. 1 shows an oven toaster according to an embodiment of the present invention. FIG. 1 is a sectional view taken along the line I--I in FIG. 3, and FIG. 2 shows a decorative plate, a switch mounting plate, and a switch separately. 3 is a front view of a part of the oven toaster, and FIG. 4 is a sectional view taken along the line IV-IV in FIG. 1 ... cooker body, 14 ... decorative plate, 14c, 14d ...
... Bending edge, 20 ... Fitting convex part (positioning means), 23 ...
... through hole, 25 ... switch mounting plate, 26 ... switch, 28 ... operator, 30 ... fitting portion (positioning means).

Claims (1)

[Scope of utility model registration request] 1. A thin metal decorative plate having opposite bent edges on the back side is attached to a cooker body, and a switch operator is operably inserted into a through hole provided in the decorative plate. In the electric cooker, the switch mounting plate to which the main body of the switch is fixed is provided with a fitting convex portion provided on one side of the switch mounting plate on one side thereof and the bending edge opposite to the other side and a fitting provided on the other side. And positioning the decorative plate through a fitting positioning means composed of a portion and a coupling claw provided on the opposite bending edge at the other end and a locking hole provided on the switch mounting plate. The electric cooker is characterized in that the switch mounting plate is integrated with the back side of the decorative plate by connecting both ends to the opposite bending edges.