JPH038893Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a cooking device such as a toaster oven.

[Conventional technology]

As shown in FIG. 5, in a conventional toaster oven, etc., an inner box 2 defining a cooking chamber is attached to the upper surface of a bottom plate 1 to which legs (not shown) are screwed to the lower surface of both ends. Frame the opening and attach the front frame 3
At the same time, a substantially U-shaped outer box case 4 is arranged to cover the upper surface and left and right sides of the inner box 2, and the insertion front edge of the outer box case 4 is connected to the rear edge 3a of the outer peripheral part of the front frame 3. (see Figure 6), and the left and right connecting lower ends 4 bent horizontally of the outer box case 4.
b on the lower surface of both the left and right ends of the bottom plate 1, respectively, and screw the screws 5
and then fit the outer case rear plate 6 over each rear edge of the outer case case 4 and the bottom plate 1.
are screwed to the rear ends of the left and right side plates of the bottom plate 1 and the inner box 2. Of course, each of the above-mentioned members except the legs are made of sheet metal, and the insertion front edge 4a of the outer box case 4 is designed to facilitate fitting into the outer peripheral rear edge 3a of the front frame 3. As shown in FIG. 6, it is formed obliquely toward the inside. The outer box case 4 is installed by fitting its insertion front edge 4a into the outer peripheral rear edge 3a of the front frame 3 fixed to the inner box 2, and then keeping it in this fitted state at both left and right ends of the bottom plate 1. Connecting lower end portions 4b overlapping the lower surface with screws 5, respectively.
This is done by fixing it to the bottom plate 2.

[Problem that the invention attempts to solve]

By the way, the outer box case 4 made of sheet metal is bent and formed by a bender mold, and is itself distorted, and while it is elastically deformed manually, the insertion front edge 4a is aligned with the outer periphery of the front frame 3. posterior edge 3
Since the outer box case 4 is fitted into the box a, the outer box case 4 always tries to return to its free state during assembly. Since the insertion front edge 4a is oblique, the outer box case 4 is pushed out from the rear due to the engagement with the outer peripheral rear edge 3a due to the acting force that tries to restore the outer box case 4 to its free state. and comes off from the front frame 3. Therefore, when connecting the outer box case 4 to the bottom plate 1, the screws 5 must be inserted while strongly pressing the outer box case 4 so that the outer box case 4 does not come off the front frame 3. Therefore, the work was troublesome.

[Means for solving problems]

In this invention, an inner box forming a cooking chamber is attached to the upper surface of the bottom plate to which legs are attached to the lower surface of both ends, a front frame is attached to the inner box by edging the front opening of the inner box, and the front edge of the insert is diagonally shaped. A substantially U-shaped sheet metal outer box case is disposed to cover the top surface and left and right sides of the inner box, and its insertion front edge is fitted into the rear edge of the outer periphery of the front frame. In a cooker in which the horizontally bent left and right connecting lower ends of the box case are overlapped and screwed to the lower surfaces of both the left and right ends of the bottom plate, the lower left and right connecting lower ends of the outer box case have a hollow upward protrusion with an opening at the lower end. are provided integrally with each other, and engagement holes into which the upward protrusions are fitted and engaged are provided at both left and right ends of the bottom plate, and upper portions of the legs are screwed to the lower surfaces of both ends of the bottom plate. By providing an engaging protrusion that fits into the upward protrusion, the above-mentioned conventional problems are solved and the legs can be easily attached.

[Effect]

When assembling the cooker equipped with the above solution, the insertion front edge of the outer box case is fitted into the rear edge of the outer periphery of the front frame, and then the upward protrusions formed on both left and right ends of the outer box case are connected to the bottom plate. They are fitted and engaged into the engagement holes at both ends, respectively. Through this engagement, the outer box case is pushed rearward and is temporarily fixed so that it does not come off the front frame, thus making it easier to screw the outer box case onto the bottom plate. Moreover,
The upward protrusion has a hollow opening on the bottom surface, and is engaged with an engaging protrusion provided at the top of the leg that is screwed to the end of the bottom plate, so that the leg is positioned so that it does not rotate. , its screwing is facilitated.

〔Example〕

In FIGS. 1 to 4 showing one embodiment of the present invention, 11 is an inner box made of sheet metal that forms a cooking chamber 12 with an opening at the front. The inner box 11 has left and right side plates 13 and 14.
, an upper reflecting plate 15, a lower front reflecting plate 16, and a lower rear reflecting plate 17, which are provided by connecting these side plates 13 and 14. This inner box 1
1 has a front frame 18 made of sheet metal that frames the front opening.
is attached, and the front opening of the inner box 11 can be opened and closed by a door 19 pivotally attached to the front frame 18.

The inner box 11 is covered with an outer box 20 made of sheet metal,
This outer box 20 is attached to an approximately U-shaped outer box case 21 that covers the top surface and left and right side surfaces of the inner box 11, and is fitted to each rear edge of this outer box case 21 and a bottom plate 28, which will be described later. Outer box rear plate 22 that covers the rear surface of
It is formed from. The outer box case 21 has connecting lower end portions 23 formed by bending horizontally inward at the lower portions on both the left and right sides thereof. Further, the front edge of the outer box case 21 is formed as a diagonal insertion front edge 24, and this front edge 24 is fitted inside the outer peripheral rear edge 18a of the front frame 18.

Each lower end portion 23 of the connection is provided with a screw passage portion 25 consisting of a hole or a notch, and an upwardly directed protrusion 2 is provided near the through hole 25.
6 are integrally provided. This upward protrusion 26
is a hollow structure with an open bottom end, and although the structure in this embodiment has a dowel shape, the structure is not limited to this, and may be formed into a short cylindrical shape by burring. In addition, in this embodiment, a through hole 27 is provided in the lower end portion 23 of the connection at an equal distance from the upward protrusion 26 with the threaded portion 25 at the center.

Reference numeral 28 denotes a bottom plate made of sheet metal, and legs 29 made of resin and formed into a non-circular shape such as an oval are attached to the lower surfaces of both left and right ends with screws 30. These screws 30 fix the connecting lower end 23 and the end of the bottom plate 28, and are screwed into a screw hole 13a provided in one side plate 13 of the inner box 11 or a screw hole 28a provided in the bottom plate 28. ing. In addition, side plate 1
Reference numeral 3 denotes a fixing means (not shown) that is temporarily fixed or fixed to the bottom plate 28 before tightening the screws 30, and 31 in FIG. 3 fixes the other side plate 14 of the inner box 11 to the bottom plate 28. Shows other screws. The upper part of the leg 29 has the above-mentioned upward protrusion 2.
An engaging protrusion 32 that fits into the through hole 27 is integrally provided, and in this embodiment, a protrusion 33 that fits into the through hole 27 is also provided.
Further, the screws 30 are provided at both left and right ends of the bottom plate 28.
A screw through portion 34 consisting of a hole or notch through which the
is provided, and an engagement hole 35 into which the upward protrusion 26 is fitted and engaged is provided in the vicinity of the through-hole 34, and the through-hole 27
A through hole 36 and a notch 37 are provided which face each other.

In addition, in FIGS. 2 and 3, 38 is a plate made of sheet metal that is stored in a tray storage part 28a that is bent and formed on the bottom plate 28 so that it can be taken in and out from the front, and 39 is movable in the front-rear direction in the cooking chamber 12. 40 is a lever for interlocking the door 19 and the grill 39, and 41 is an upper and lower heater.

In the above configuration, in order to attach the outer box case 21 of the inner box 20 to the assembly of the inner box 11, front frame 18, and bottom plate 28, first
is placed over the outside of the inner box 11, and its connecting lower end portions 23 are arranged so as to overlap the lower surfaces of both left and right ends of the bottom plate 28.
The insertion front edge 24 is fitted into the outer peripheral rear edge 18a of the front frame 18 while elastically deforming the insertion member 1. In this state, the upward protrusions 26 of the left and right connecting lower ends 23 are fitted into the engagement holes 35 of the bottom plate 28. Then, by the engagement between these upward protrusions 26 and the engagement holes 35, the outer box case 21 is temporarily fixed to the bottom plate. In other words, the outer box case 21 can maintain its fitted state with the front frame 18 even though it is being pushed backward. Next, the leg 29 is placed in a predetermined position, and the screw 30 is passed from the inside of the leg 29 through the opposed screw holes 25 and 34, and then screwed into the screw hole 13a or 28a and tightened.

The installation of the outer box case 21 is completed with the above steps, but since the screws 30 can be tightened while the outer box case 21 is temporarily fastened as described above, the outer box case 21 can be forcibly moved toward the front frame 18 side. It is easy to assemble and there is no need to tighten screws while holding it down. Furthermore, since the leg 29 is disposed with its engaging protrusion 32 engaged with the upwardly directed protrusion 26, its positioning and rotation prevention are achieved, and therefore ease of assembly is improved.

Although the above-described embodiment is constructed as described above, in carrying out the present invention, the inner box, the front frame, the rear edge of the outer periphery, the bottom plate, the
The specific structure and shape of the outer box case, front edge of the insert, lower end of the connection, upward protrusion, engagement hole, engagement protrusion, etc.
The location etc. are not limited to the above example.
Of course, it can be configured and implemented in various ways.

[Effect of idea]

To summarize the configuration described in the above claims for utility model registration, according to the present invention, the outer box case can be temporarily fixed to the bottom plate to prevent it from being pushed out and detached from the front frame. This has the practical effect of not only improving the workability but also making it easier to attach the legs by positioning them so that they do not rotate by using the temporary fixing structure.

[Brief explanation of the drawing]

1 to 4 show an embodiment of the present invention,
Fig. 1 is a partially exploded perspective view, Fig. 2 is a vertical side view of the entire toaster oven, Fig. 3 is a front view partially sectionally showing the lower part of the toaster oven, and Fig. 4 is the middle part of Fig. 3. It is a sectional view along a line. Figures 5 and 6 show a conventional example, Figure 5 is a partially exploded perspective view of the toaster oven, and Figure 6 is a sectional view showing the fitting part between the front frame and the outer box case. be. DESCRIPTION OF SYMBOLS 11...Inner box, 18...Front frame, 18a...Outer peripheral rear edge of front frame, 21...Outer box case, 23...Connection lower end, 24...Insertion front edge, 26...Upward projection, 29...leg, 30...screw, 32...engaging protrusion, 35...engaging hole.

Claims (1)

[Scope of Claim for Utility Model Registration] An inner box forming a cooking chamber is attached to the upper surface of the bottom plate to which legs are attached to the lower surface of both ends, and a front frame is attached to this inner box to frame the front opening of the inner box. An outer box case made of sheet metal and having a substantially U-shape with edges is disposed to cover the upper surface and left and right sides of the inner box, and its insertion front edge is fitted into the rear edge of the outer periphery of the front frame, In addition, in a cooker in which the horizontally bent left and right connecting lower ends of the outer box case are overlapped and screwed to the lower surfaces of both left and right ends of the bottom plate, a lower end opening is provided at the left and right connecting lower ends of the outer box case. Hollow upward protrusions are provided respectively, and
Engagement holes into which the upward protrusions fit and are engaged are provided at both left and right ends of the bottom plate, and engagement holes into which the upward protrusions fit are provided in the upper parts of the legs screwed to the lower surfaces of both ends of the bottom plate. A cooking device characterized by being provided with an engaging protrusion.