JPH0332889Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a cooking appliance, such as a toaster oven, that is equipped with a timer that controls an electric heater.

[Prior Art] A toaster oven, which is an example of a conventional cooking device, is shown in FIGS. 6 and 7. In this figure, reference numeral 1 denotes a metal inner box containing an electric heater 2 and a gridiron 3, which is covered with a metal outer box 4. The front ends of each of these boxes 1 and 4 are connected by a metal front frame 5, and the inner box 1 is connected to this front frame 5.
An opening/closing door 6 made of transparent glass is attached to open and close the front opening. A cooking time (that is, an electric heater 2
A timer 7 is attached to determine the energization time). The timer 7 has a doorbell 9 installed on one side of the timer body 8, which has a built-in timer mechanism (not shown) and is insulated, to notify the elapse of a set time.
A timer knob 11 is attached to a timer shaft 10 protruding from the other side of the main body 8. As shown in FIG. 7, the timer 7 is attached to the inner surface of the side plate 4a by screws 12 screwed in from the outside of the side plate 4a, and between this side plate 4a and the side plate 1a of the inner box 1. In addition to arranging a timer body 8 and a doorbell 9,
A timer knob 11 is provided outside the outer box 4. A cooking scale 13 is provided on the outer circumferential surface of the timer knob 11, and when cooking, the energization time of the heater 2 can be determined by grasping and rotating the timer knob 11 to adjust the scale. It's getting old.

[Problem that the invention attempts to solve]

By the way, in the conventional structure as described above, the entire timer knob 11 is exposed, which is not only unsightly, but also when operating the timer knob 11 to determine the energization time.
In many cases, the user also holds and operates the cooking scale 13, and as a result, the cooking scale 13 becomes dirty or becomes worn out and fades or disappears.
Therefore, conventionally, it is difficult to maintain the cooking scale 13 in a clear state over a long period of use.

[Means for solving problems]

In order to solve the above problems and to facilitate scale adjustment and manufacturing of some parts, the cooker of the present invention has a timer that controls the heat source attached to the cooker body that has a built-in heat source. In a cooker in which a rotatably operated timer knob is disposed outside the cooker main body, the timer knob is connected to an annular portion having a cooking scale on the outer circumferential surface and integrally connected to the annular portion. A synthetic resin timer cover is attached to the cooker body, and has a knob cover part that covers the outer periphery of the annular part, and a part of the knob cover part is attached to the timer knob. a display portion having a size that exposes several scales of the cooking scale by forming a long notch along the rotational direction of the cooking scale, and
A scale indicating protrusion located at the center in the length direction of the display section and protruding into the display section is provided integrally with the knob cover section.

[Effect]

In order to operate the timer in the above configuration, the user grasps the operating portion of the timer knob and aligns the cooking scale of the knob with the scale indicating protrusion on the display portion side. The annular portion that is integrally connected to the operation section and provided with cooking scales is
Since most of the display part is covered with a timer cover attached to the cooking device body with the display section exposing a part of the display section, it is difficult to prevent the above-mentioned timer from touching the cooking scale when the timer is operated. This can be prevented with a cover. Therefore, it is possible to prevent the cooking scale from becoming dirty and from being worn out due to contact with fingers.Therefore, the cooking scale provided on the annular part of the timer knob can be kept clearly for a long time. can be maintained in the same condition. Moreover, since a plurality of scales of the cooking scale are exposed simultaneously on the display section, there is no possibility of turning the timer knob in the wrong direction, and the interval between the scales can be visually confirmed. moreover,
By integrating the scale indicator protrusion into the synthetic resin timer cover, it is possible to omit the process of specially providing this protrusion, and since the display part is formed with a notch, it is much easier to use than when the display part is formed with a hole. do,
The structure of the mold for the timer cover and its molding operation are simplified. Further, as already mentioned, by providing a timer cover and covering most of the cooking scale, the appearance of the timer section can be improved.

〔Example〕

An embodiment shown in FIGS. 1 to 5 will be described below. Note that the cooking device according to this embodiment is a toaster oven.

In the figure, 21 is an inner box whose internal space is used as a cooking chamber 21a, and the front surface of the box is open. This inner box 21 is formed by combining a pair of left and right side plates 22, a bottom plate 23, and reflection plates 24 and 25, all of which are made of sheet metal. That is, the bottom plate 23 is provided to connect the lower portions of the pair of side plates 22. Further, the reflecting plate 24 is overlapped on the front edge of the bottom plate 23 and is provided by connecting the front lower sides of the pair of side plates 22. Further, a heat shielding reflector plate 25 is provided by connecting the upper and rear parts of the pair of side plates 22, and its lower edge is horizontal and continues to the rear end of the bottom plate 23.

For example, heat sources 2 are provided at the upper and lower parts of the inner box 21.
6 are provided respectively. In this embodiment, the heat source 26
An electric heater having a resistance heating wire built into a straight quartz tube is used as an electric heater, which is horizontally suspended across a pair of left and right side plates 22 via an insulator 27. Note that 28 in FIG. 2 indicates a strip-shaped conductive plate to which a pair of electric heaters 26 are connected in series.

Furthermore, a metal grill 29 is housed in the inner box 21 between the upper and lower heat sources 26. The gridiron 29 moves along the front-back direction using elongated guide holes 30 provided along the front-back direction at the rear of the pair of side plates 22 and a metal guide shaft 31 protruding from the front inner surface of the side plates 22 as guides. It is set freely.

A metal front frame 32 is attached to the front of the inner box 21. This front frame 32 has, for example, upper and lower locking claws (not shown) integrally provided at the ends of the left and right inner parts 33 on the front end outward facing edges 22 of the side plates 22.
engaging with upper and lower locking holes (not shown) provided in a, and engaging a locking claw 35 provided in the lower inner part 34 with a locking hole (not shown) provided in the reflecting plate 24; And, by fixing the lower outer part 36 to the lower surface of the reflection plate 24 with screws 37,
It is fixed to the front surface of the inner box 21.

An opening/closing door 38 for opening and closing the front opening of the inner box 21 is attached to the front frame 32 so as to be rotatable about the lower part of the front frame 32 as a fulcrum. The opening/closing door 38 and the sliding portion 29a of the grill 29 are connected to the side plate 22.
The levers 39 are connected via a pair of left and right metal levers 39 that pass through longitudinal holes (not shown) provided in the front outward edge portion 22a of the front end, respectively, and the levers 39 are always urged backward by a coil spring 40. Therefore, the grill 29 is opened and closed in conjunction with the opening and closing of the opening/closing door 38.
are now being moved back and forth.

The inner box 21 is covered with an outer box 41. The outer case 41 of this embodiment is formed from an outer case case 42 and an outer case rear plate 43, both of which are made of sheet metal. Note that the inner box 21, the front frame 32, and the outer box 41 constitute a cooking device main body 44.

The outer box case 42 is formed into a substantially U-shape by integrally providing side plate portions 42b that cover the side plates 22 on both sides of a top plate portion 42a that covers the upper surface of the reflector plate 25. This outer box case 42 has its front fitting edge 45 connected to the upper and right outer parts 36 of the front frame 32.
While fitting inside the left and right side plate portions 42
The lower end bent portion of b is connected to the left and right side plates 22 of the inner box 21.
It is attached to cover the inner box 21 by overlapping the lower bent edge 22b of the inner box 21 and fastening with screws.
Further, the outer box rear plate 43 is provided so as to fit into the rear fitting edge 46 of the outer box case 42, and is screwed (not shown) to the rear end bent edge 22c of the side plate 22. .

A timer 47 for controlling the time period during which the heat source 26 is energized is attached to one side plate portion 42b of the outer box 41. The timer 47
As shown in the figure, a doorbell 49 is installed on one side of a timer body 48 which has a built-in timer mechanism (not shown) and is insulated, and which alerts you to the elapse of a set time.
A timer knob 51 is detachably attached to a timer shaft 50 protruding from the other side of the main body 48. Timer knob 51
is made of synthetic resin and has cooking scales 52 on the outer circumferential surface.
It is formed from an annular portion 53 provided with an annular portion 53 and an operating portion 54 that is integrally connected to this portion 53 and has a smaller diameter than the annular portion 53, for example.

The timer 47 is attached to the side plate portion 42b via a timer cover 55 made of an insulating material such as synthetic resin.

That is, as will be described in detail below, first, the structure of the timer cover 55 will be described. As shown in FIGS. 1 and 5, the timer cover 55 has a structure larger than the timer main body 48.
A through hole 56 into which the main body 48 is inserted is formed, and a plurality of screw through holes 57 through which screws (not shown) for fixing the cover pass are provided around the through hole 56. Furthermore, a timer fixing portion 58 is formed on the timer cover 55 on the outside of the through hole 56 and faces the through hole 56.
is provided with a plurality of screw holes 60 through which screws 59 for fixing the timer pass. Moreover, the timer cover 55 has the cooking scale 5 of the timer knob 51.
It has a knob cover part 61 that covers the annular part 53 where the cooking scale 52 is provided, and a display part 62 that exposes several scales of the cooking scale 52 is formed on the front side of the cover part 61. This display section 62 consists of a notch that is long in the direction of rotation of the timer knob 51. Further, the knob cover portion 61 is located at the central portion in the length direction of the display portion 62 .
A scale indicating protrusion 63 that protrudes inward is integrally formed.

The timer cover 55 having the above structure has the first
A recess 42 formed in the side plate portion 42b as shown in the figure.
It is removably attached to the outer surface of c by a screw (not shown) passing through the screw through hole 57. and,
The timer body 48 inserted into the through hole 56 of the timer cover 55 is inserted into the screw through hole 56.
It is attached with a screw 59 passing through 0.

In the structure of the timer portion described above, the knob cover portion 61 of the timer cover 55 covers most of the cooking scale 52 provided on the outer peripheral surface of the annular portion 53 of the timer knob 51, and covers several scales of the cooking scale 52. is exposed from the display section 62.

Therefore, it is possible to improve the appearance of the timer portion, and when the timer cover 55 is actively used as an accent part in the design, it is possible to further improve the appearance, and the rotation operation of the timer knob 51 can be performed. At this time, the knob cover portion 61 prevents fingers from touching the cooking scale 52, and the scale can be adjusted by grasping only the operating portion 54. Therefore, cooking scale 5
The cooking scale 52 can be maintained in a clear state for a long period of time by preventing the scale 2 from becoming dirty, erased or unclear due to wear.

When adjusting the scales, a part of the cooking scale 52 exposed from the display section 62 cannot be seen even when looking down diagonally from above.
The user is forced to align the scale with the scale indicating protrusion 63 from the front side of the display section 62. Therefore, mistakes in scale adjustment can be prevented. Moreover, since the display section 62 exposes not only one scale of the cooking scale 52 but also several scales before and after it, it is possible to prevent the user from making a mistake in the direction of rotation when rotating the timer knob 51, and also to visually check the interval between the scales. can. Therefore, scale adjustment can be easily performed.

Although the above embodiment has been described above, the present invention can be applied to cooking appliances other than toaster ovens, and a gas burner may be used as the heat source 26. In this case, the timer 47 is connected to the gas supply path. The heat source is controlled by adjusting the time between opening and closing the installed valve. By integrally providing the scale indicating protrusion 63 on the synthetic resin timer cover 55, this protrusion 6
3 can be omitted, and since the display section 63 is formed with a notch, the structure of the mold for the timer cover 55 and its molding work are simpler than when the display section is formed with a hole. . Therefore, the timer cover 55 can be easily manufactured.

In addition, when implementing this invention, unless it is contrary to the gist of the invention, the cooking device itself, heat source, timer,
The specific structure, shape, position, material, etc. of the timer knob, annular portion, cooking scale, operating section, timer cover, display section, scale indicating protrusion, etc. are not limited to the above embodiment. Of course, it can be configured and implemented in various ways.

[Effect of idea]

According to the present invention, which has the gist of the structure described in the scope of the above-mentioned utility model registration claim, the cooking scale of the timer knob can be maintained clearly for a long period of time, the appearance of the timer part can be improved, and the scale can be easily adjusted. In addition, the timer cover has good manufacturability, and even when the timer is attached to the side of the cooker body, it has the effect of preventing misalignment of the scale.

[Brief explanation of the drawing]

1 to 5 show an embodiment of the present invention,
FIG. 1 is a plan view partially cut away, FIG. 2 is a front view partially cut away, and FIG. 3 is a side view.
FIG. 4 is a longitudinal side view, and FIG. 5 is a front view of the timer cover. Figure 6 is a perspective view of a conventional cooker;
FIG. 7 is a sectional view taken along the line - in FIG. 6. 26...Heat source, 44...Cooker body, 47...
Timer, 51...Timer knob, 52...Cooking scale, 53...Annular portion, 54...Operation unit,
55...Timer cover, 61...Knob cover section, 62...Display section, 63...Scale indicating protrusion.

Claims (1)

[Scope of Claim for Utility Model Registration] A cooking appliance in which a timer for controlling the heat source is attached to a cooking appliance body containing a built-in heat source, and a timer knob for rotating the timer is arranged outside the cooking appliance body, The timer knob is formed from an annular portion having a cooking scale on its outer circumferential surface, and an operating portion integrally connected to the annular portion, and has a knob cover portion that covers the outer periphery of the annular portion. A timer cover made of synthetic resin is attached to the cooking device body, and a part of the knob cover is cut out long along the direction of rotation of the timer knob, so that a timer cover of a size large enough to expose several scales of the cooking scale is provided. What is claimed is: 1. A cooking appliance characterized in that a scale indicating protrusion forming a display part and protruding into the display part and located at the center in the length direction of the display part is integrally provided on the knob cover part.