JPH0124488Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a toaster oven with an improved casing structure.

[Conventional technology]

A toaster oven generally has a main body covered with a casing, and has a double wall structure with a ceiling, left and right sides, and a rear space each having a cavity.This structure suppresses the rise in temperature of the casing.

By the way, as shown in FIG. 1, the conventional casing consists of three components: a U-shaped casing main body 2 that covers the ceiling surface of the main body 1, and both front and rear surfaces of the main body 1;
and a pair of left and right end plates 34 which are respectively attached to cover both ends of the main body 2 and cover both left and right side surfaces of the main body 1. In FIG. 1, 5 is a door, 6 is a timer knob, and 7 is a connecting screw, of which only two are representatively shown.

In addition, in a heating cooking device that insulates the cooking chamber, although it is not a toaster oven, a pair of heat shield plates that cover the outer surface of the cooking chamber box are attached, and one of the heat shield plates is attached to the bottom of the cooking chamber box and on both sides. It is known from Japanese Utility Model Application Publication No. 58-46015 that it has a U-shaped structure that covers the surface part, and the other heat shield member has an L-shaped structure that covers the top surface and back surface of the cooking chamber box. There is.

[Problem that the invention attempts to solve]

However, according to the conventional toaster oven casing structure shown in FIG. However, there are problems in that assembly is troublesome, inventory management of parts is troublesome, and costs are high.

Furthermore, in the configuration of the heating cooker described in Japanese Utility Model Application Publication No. 58-46015, a front panel is attached to the front opening of the cooking chamber box, so in the end, this front panel and a pair of heat shields are attached to the front opening of the cooking chamber box. The casing is made up of a total of three members. Therefore, this also has the same problems as the above-mentioned conventional example. Moreover, the pair of heat shields are attached to flanges provided on the upper edge of the side of the cooking chamber box by being tightened together with the same screws, and unless the U-shaped heat shield is removed, cooking will not be possible. This configuration does not allow the sides of the chamber box to be exposed. For this reason, when performing maintenance and inspection of electrical components, etc. that are generally placed outside the sides of the galley box, each pair of heat shield plates must be removed from the galley box. There is a problem that the work is troublesome.

An object of the present invention is to provide a toaster oven that has a simple casing structure and is easy to maintain and inspect.

[Means for solving problems]

In order to achieve the above object, the toaster oven of the present invention has a cooking chamber formed by a ceiling plate, a bottom plate, a rear plate, and left and right side plates, and a mounting grid that can be moved back and forth is installed in this cooking chamber. A heater is provided across the left and right side plates, and a main body is provided with a conductive component and a spring for biasing the mounting net rearwardly on the outer surface of these both sides. The casing is composed of a pair of case components each connected to the main body, and one case structure has a ceiling plate part covering the ceiling plate above the plate part covering the front surface of the main body. are integrally provided to form a substantially L-shape, and the other case structure has side plate portions integrally provided on both sides of a plate portion that covers the rear plate of the main body, and side plate portions that cover both side plates. The other case component is detachably connected to the main body, and a hole is drilled in the plate portion of one case component that covers the front of the main body. It is characterized in that the front opening of the chamber is integrally formed and a door is attached to open and close this opening.

[Effect]

According to the present invention, one case component is approximately L-shaped and covers the front surface and ceiling panel of the main body, and the other case component is approximately U-shaped and covers the rear panel and left and right side panels of the main body. Since each surface of the main body except the bottom surface is covered, it is possible to provide a toaster oven equipped with a casing composed of two members. Therefore, the number of components of the casing is minimized, and the number of connectors connecting both casing components to the main body can be reduced accordingly. Therefore, the number of assembly steps is reduced and assembly is easy, and the number of parts is reduced, inventory management of parts is also facilitated, and the product can be obtained at low cost. Furthermore, since the generally U-shaped case structure that covers the side plate of the main body can be attached to and removed from the main body case by itself, the end of the heater can be removed by simply removing this case structure without disassembling the entire casing. , conductive parts, springs, etc. can be exposed for maintenance and inspection.

〔Example〕

An embodiment of the present invention will be described below with reference to a toaster oven shown in FIGS. 2 to 7.

In the figure, 11 is a main body formed as a unit. The main body 11 has a box-like shape with an open front, including a ceiling plate 12, a bottom plate 13, a rear plate 14, and left and right side plates 15, 16. It has a chamber 17. In addition, each of the above-mentioned plates 13 to 16 is made of a strong steel plate. And left and right side plates 1
5 and 16 are formed with lower folding lines 18, respectively, and connector receiving portions 19 are provided on the rear folded edges of the left and right upper edges, respectively. This receiving portion 19 is formed by a screw hole or a fixed nut. Further, a plurality of similar connector receiving portions 20 are provided on the upper edge of the rear plate 14, and the lower bent edge 18,
A plurality of fixing holes 21 are formed in each of the fixing holes 18 .
Further, a heater 22 is disposed in the main body 11 across the left and right side plates 15 and 16. Heater 22
A quartz tube heater, a sheathed heater, or the like is used for this purpose, and although one heater 22 may be provided, this embodiment shows a case where the heaters 22 are provided at the top and bottom of the cooking chamber 17, respectively. Furthermore, the main body 11 has both side plates 15 and 16.
A spring 23 and electrically conductive parts are arranged on the outer surface of the spring 23 . The spring 23 is connected to the cooking chamber 17
Loading nets 24, which are movable back and forth inside, are provided on both sides and are always biased rearward. In FIG. 3, 25 is a guide groove for moving the net, and 26 is an interlocking link connecting the net 24 and a door, which will be described later, and one end of which is pivoted to the door in advance. The conductive parts include a shorting plate 27 that connects the heaters 22 in series, a lead wire (not shown), and the like.

The main body 11 has a casing 2 on each side except the bottom.
8, and as a result, the ceiling, left and right sides, and rear of the toaster oven are covered with
It has a double structure, each having a void A. The casing 28 is comprised of a pair of case components 29 and 30, each connected to the main body 11.

One case structure 29 is formed into a substantially L-shape by integrally providing a ceiling plate part 32 that covers the ceiling plate 12 above a plate part 31 that covers the front surface of the main body 11 . A bent edge 33 is integrally formed on the structural body 29 except for its lower edge, and a portion of this bent edge 33 has a tongue piece 33a corresponding to the connector receiving portion 20.
is installed protrudingly. A through hole 34 is formed in each of the tongue pieces 33a. Further, a horizontal connecting piece 35 is bent at the lower edge of the structure 29, and this piece 3
5 is provided with a connector receiving portion 36 such as a screw hole or a fixed nut corresponding to the fixing hole 21.
Note that this structure 29 is obtained by press-forming a thin steel plate, and numeral 37 in the figure is an exhaust hole. A hole is formed in the plate portion 31 of the structure 29 to form a front opening 31a of the cooking chamber 17, and
A door 38 with a see-through window that opens and closes the opening 31a is attached so as to be openable and closable, and a timer 39 is also attached. The timer 39 is used to set the time for which the heater 22 is energized, and is provided outside the cooking chamber 17.

The other case structure 30 is attached to the main body 11 after the structure 30, and is independently detachably connected to the main body 11. This case structure 30 has the above-mentioned side plates 15,
Left and right side plate portions 41 and 42 covering the left and right side plates 16 are integrally provided, respectively, and are formed in a substantially U-shape. A projecting edge 43 extending over the front edge and the upper edge is integrally formed on this structure 30. This protruding edge 43 has a notch 44 through which the tongue piece 33 is inserted, and an engagement piece 45 is integrally bent to correspond to the exhaust hole 37 . Further, a horizontal connecting piece 46 is bent at the lower edge of the structure 30, and this piece 46 has a fixing hole 46 corresponding to the fixing hole 21.
7 is drilled. Note that this structure 30 is also obtained by press forming a thin steel plate, and is indicated by 4 in the figure.
8 is a handle made of synthetic resin.

In addition, in the figure, 49, 50, 51 are screws, self-tapping screws, and other connectors, 52 is a leg, 53,
54 is a spacer ring such as washer.

Next, the assembly of the electric toaster oven having the above structure will be explained. First, one case structure 29 to which a door 38 and a timer 39 are attached in advance.
is placed over the main body 11 from above, the connecting piece 35 is placed on the upper surface of the lower bent edge 18, and the tongue piece 33a is closely opposed to the rear of the connecting tool receiving part 20. After this alignment, the spacer ring 53 is inserted between the connector receiving part 20 and the tongue piece 33a, and the connector 49 is screwed into the connector receiving part 20 through the through hole 34.
In this manner, with the rear upper parts of the main body 11 and the case structure 29 connected, the interlocking rod 26 and the loading net 24 are connected, and the timer 35 and the main body 1 are connected.
Electrical connection with the electrical components on the first side is made from the outside of the main body 11. Next, the other case structure 30 is placed over the main body 11. In this case, the projecting edge 43 fits into the bent edge 33 with the case structure 30 facing upward, or the case structure 29 is connected to the main body 1.
1 into the case structure 30 from above. Then, the projecting edge 43 overlaps the inner surface of the bent edge 33, and these fit together, and the lower bent edge 18 rests on the connecting piece 46 (see FIG. 7). At the same time, the tongue piece 33a is inserted into the notch 44 (see FIG. 4), and the hole edge 37a of the exhaust hole 37 and the tip of the engagement piece 45 are engaged (see FIG. 6). In addition, in the above-mentioned fitting, the connector 50 is inserted into the notch 4.
4 passes through, this connecting portion does not get in the way, and the projecting edge 43 is easily fitted through the gap B (see FIG. 4) created by the spacer ring 53. After this, the connector 50
is screwed into the connector receiving portion 19 through a spacer ring 54 previously attached to the inner surface of the case component 30 to connect the main body 11 and the case component 30 on the upper rear side. Next, after arranging the legs 52 on the outer surface of the connecting piece 46, the connecting tool 51 is threaded into the connecting tool receiving part 36 through the legs 52 and the fixing holes 47, 21 in order, thereby connecting the main body 11 and both cases. The lower part is connected to the structures 29 and 30. The assembly is thus completed.

After this assembly, when performing maintenance or inspection as necessary, remove the other case structure 30, which was attached later than the one case structure 29, separately after removing the connectors 50 and 51. You can do it from here. Since the main parts such as the end of the heater 22, the spring 23, the shorting plate 27, the timer 39, and the lead wires are exposed by removing the component 30, the above-mentioned work can be carried out without disassembling the entire casing 28. It can be done easily.

[Effect of idea]

Since the present invention explained above has the structure described in the above-mentioned utility model registration claims, the casing that covers the main body can be constructed from two members, and the total number of parts can be reduced, and assembly and inventory can be reduced. This has the effect of making management easier and providing an inexpensive electric cooker. Moreover, since the approximately U-shaped case structure that covers the side plate of the main body can be attached to and removed from the main body case by itself, it is possible to remove the end of the heater by simply removing this case structure without disassembling the entire casing. This has the effect of exposing conductive parts, springs, etc., making it easier to maintain and inspect them.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view of a conventional example. Figures 2 to 7 show an embodiment of the present invention, with Figure 2 being a perspective view, Figure 3 being an exploded perspective view, and Figure 4 being an exploded perspective view.
The figure is a cross-sectional view of the upper rear connecting part, Figure 5 is an exploded cross-sectional view of the connecting part, Figure 6 is a cross-sectional view of the upper front engaging part, and Figure 7 is a cross-sectional view of the lower connecting part. be. 11...Main body, 12...Ceiling plate, 13...Bottom plate, 14...Rear plate, 15, 16...Side plate, 17...
...Cooking chamber, 18...Lower bent edge, 19, 20, 3
6... Connector receiving part, 21, 47... Fixing hole, 22
... Heater, 23 ... Spring, 27 ... Conductive parts (shorting plate), 28 ... Casing, 29,3
0... Case structure, 31, 40... Plate part, 32
...Ceiling board section, 33...Bending edge, 34...Through hole,
35, 46... Connection piece, 38... Door, 41, 42
... Side plate part, 43 ... Projection, 49, 50, 51 ...
...Connector.

Claims (1)

[Scope of utility model registration request] It has a cooking chamber formed by a ceiling plate, a bottom plate, a rear plate, and left and right side plates, and a loading net that can be moved back and forth is installed in this cooking chamber, and a heater is arranged across both left and right side plates. In addition, the main body is provided with a spring for biasing the conductive parts and the net rearward on the outer surfaces of these side plates, and a casing is provided to cover the main body. One of the case components is formed into a substantially L-shape by integrally providing a ceiling plate portion that covers the ceiling plate above the plate portion that covers the front surface of the main body, and The other case component is formed into a substantially U-shape by integrally providing side plate portions on both sides of a plate portion that covers the rear plate of the main body, and side plate portions that cover both side plates. In addition, a hole is formed in the plate part covering the front surface of the main body of one of the case components to integrally form the front opening of the cooking chamber, and this opening can be opened and closed. A toaster oven characterized by an attached door.