JPH0321171B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a rice cooker in which an operating section or a display section is provided on the top surface of the lid.

(Prior Art) In a conventional rice cooker, an operation panel is generally attached to the lower part of the outer peripheral side of the rice cooker body in a state of protruding from the bottom, and an operation part is provided on this operation panel so that it can be operated from the outside. A light-emitting element such as a display lamp or a light-emitting diode is disposed inside, and the operation part is operated to perform rice cooking operation, and the light from the light-emitting element is emitted based on the operation through a window provided in the operation panel. The process of rice cooking operation can be confirmed by visually checking through the section.

(Problem to be solved by the invention) In general, rice cookers are usually placed on low places such as tables and sinks, taking into account the need to scoop out the rice in the pot after cooking. Therefore, the position of the user's eyes is also usually higher than the main body. However, with the above-mentioned device, the control panel is located at the bottom of the outer periphery of the main body, so if you are standing, your line of sight is too diagonal to the control panel. The disadvantage was that it was difficult to operate.

In order to eliminate such drawbacks, the present inventor has considered providing an operating section or a display section on the top surface of the lid. However, in this case, since water droplets are likely to fall on the top surface of the lid during use, there is a risk that the water droplets may enter the back side of the operation panel and deteriorate the insulation of the internal electrical components.

The present invention has been made in consideration of these circumstances, and its purpose is to improve the visibility and operability of the operation section and display section, and to prevent water droplets from entering the internal electrical components. To provide a rice cooker which can prevent this and improve insulation.

[Structure of the Invention] (Means for Solving the Problem) The rice cooker of the present invention is provided with a panel having an operation section or a display section on the top surface of the lid, and a panel having a control section or a display section on the top surface of the lid. It has a structure in which an elastically deformable sheet member is bonded to cover it.

(Function) Since the operating section or the display section is provided on the top surface of the lid, visibility and operability of the operating section or the display section are improved. Furthermore, since the sheet member adhered to the top surface of the panel is elastically deformable, even if the top surface of the panel has unevenness, the sheet member is adhered along the unevenness so as to be in close contact with it. Therefore, there is no room for moisture to enter between the sheet member and the panel, and moisture is prevented from entering internal electrical components.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings. First, in Figure 3 showing the overall appearance,
1 is the main body of the rice cooker, and 2 is a lid provided on the main body 1 so as to be openable and closable via a well-known hinge mechanism 3. This is composed of an outer lid plate 4 and an enlarged cross-section shown in FIG. A handle base 6 is integrally formed on the upper surface of the outer cover plate 4, and a handle cover 7 is attached to the handle base 6 so as to cover the upper part thereof. A plurality of engagement protrusions 8 are formed on the inner peripheral edge of the outer cover plate 4, while a plurality of engagement protrusions 8 are formed on the outer circumferential edge of the inner cover plate 5 in correspondence with the engagement protrusions 8. A mating recess 9 is formed, and the engaging protrusion 8 is held in an engaged state by the elasticity of the inner cover plate 5 and the outer cover plate 4 themselves. Reference numeral 10 denotes a stepped cylindrical steam venting cylinder having a large diameter part 10a and a small diameter part 10b at the top and bottom, and flanges 11 and 12 are formed at both the top and bottom ends of this body, respectively. In the portion 10b, a threaded portion 13 and a steam vent hole 14 are formed vertically. The steam venting cylinder 10 has an insertion hole 1 formed in one side of the outer cover plate 4 to protrude downward.
5 and a corresponding hole 1 formed in the inner cover plate 5
6, and with the flange 11 in contact with the upper surface of the outer cover plate 4, the nut member 17 is tightened to the threaded part 13 from below the inner cover plate 5, and the nut member 17 is inserted into the inner cover plate 4. It is pressed against the plate 5, and the outer cover plate 4 and the inner cover plate 5 are clamped at one side thereof by such a mounting structure of the steam vent cylinder 10.
Although not shown, an engagement protrusion for engaging the inner cover is provided on the lower surface of the inner cover plate 5, and this engagement protrusion and the small diameter portion 10b of the steam venting cylinder 10 allow the inner cover of the lid 2 to be closed. An inner lid (not shown) is engaged and held on the lower surface of the plate 5. Reference numeral 18 denotes a lid heater provided at the center of the inner lid plate 5 of the lid 2 for keeping the inner lid warm. 19 is a panel, which will be described in detail below. That is, the panel 19 is made of ABS resin, for example, and has a seat mounting recess 20 that slopes toward the side of the main body 1 on its upper surface. For example, two operating openings 21, 22 and four display openings 23 to 26 are formed in the opening. By forming peripheral wall portions 19a diagonally downward on the four sides of the panel 19, and increasing the height of the peripheral wall portions 19a sequentially toward the handle base 6 side, the panel 19 can be turned outward. It is slanted downward. Further, a U-shaped engagement groove 27 is formed at one outer edge of the peripheral wall portion 19a (the left outer edge in FIG. 1), while a U-shaped engagement groove 27 is formed at the lower part of the other peripheral edge slightly inward from the peripheral edge. A fitting protrusion 28 is formed at the same position. Further, a boss portion 29 is integrally provided on the lower surface of the panel 19 and projects downward, and a female thread portion 30 is formed in the boss portion 29 . The panel 19 configured in this manner is fitted into the outer cover plate 4 by engaging and fitting the engagement groove 27 with the edge of the opening 31 formed in the portion opposite to the steam vent cylinder 10. The mating protrusions 28 are fitted to bring the peripheral edge of the panel 19 into abutting engagement with the upper surface of the outer cover plate 4, and in this state, the boss portion 29 of the panel 19 forms a protuberance on the inner cover plate 5. The inner cover plate 5 is fixed to the inner cover plate 5 by a screw 33 inserted from below into the screw hole 32, and thereby a clamping force is applied between the outer cover plate 4 and the inner cover plate 5 via the panel 19. is given, and the two are tied together. 34
is a printed circuit board disposed between the panel 19 and the inner lid plate 5, and on its top surface there are electrical components for operating the rice cooking operation, such as two operation switches (not shown). The operation parts 35, 36 (see FIG. 2) and the four light emitting elements 37 to 40 for displaying the process of the rice cooking operation face the operation and display openings 21 to 26 of the panel 19, respectively. The display section 49 is configured by the arrangement. Lead wires (not shown) led out from the operating switches and light emitting elements 37 to 40 on the printed circuit board 34 are connected to lead wires introduced into the lid 2 from the main body 1. Reference numeral 41 denotes an elastically deformable sheet member bonded to the seat attachment recess 20 of the panel 19, and as shown in FIG. Indication marks 42 and 43 are formed to indicate the display openings 23 to 26, and transparent windows 44 to 47 are formed in portions facing the display openings 23 to 26. In FIG. 3, 48 is a clamp provided on the handle cover 7 for unlocking the lid 2.

In the case of this embodiment with such a configuration, the panel 19
Since it is configured to be provided on the upper surface of the lid 2, the operating sections 35, 36 and the display section 49 of the panel 19 can be easily seen, and the operating sections 35, 36 can be easily operated.

Moreover, since the elastically deformable sheet member 41 is bonded to the top surface of the panel 19 so as to cover it, even if the light emitting elements 37 or the like protrude from the top surface of the panel 19, or due to distortion during molding, etc. Even if the top surface of the panel 19 is uneven, the sheet member 41 is bonded along the unevenness of the top surface of the panel 19 in close contact with it due to the deformation of the sheet member 41. Therefore, there is no room for moisture to enter between the sheet member 41 and the panel 19, and moisture is prevented from entering internal electrical components such as the light emitting elements 37 to 40, ensuring sufficient insulation. Ru.

In this embodiment, since the panel 19 is tilted, the user's line of sight is more perpendicular to the panel 19, and the visibility of the panel 19 can be greatly improved. It is possible to improve the visibility of the characters such as "keep warm" attached to the screen and the light emitted from the light emitting elements 37 to 40, and of course, the operability of the operation parts 35 and 36 can also be improved.

Incidentally, such an effect can also be obtained by forming the panel on the outer cover plate by integral molding, but in this case, the printed circuit board 3
In order to repair the electrical components mentioned above, it is necessary to remove the inner cover plate from the outer cover plate, which is a real hassle. This causes a problem in that the handle base must be formed separately from the outer cover plate due to the structure of the mold. It is also possible to consider a configuration in which a separate panel is screwed to the outer cover plate, but in this case, if the panel is screwed to the outer cover plate from above, it may be easy to remove, but the head of the screw will be attached to the outside. However, if the panel is screwed to the outer cover plate from the inside, it will look better, but unless the inner cover plate is removed from the outer cover plate during removal, the panel cannot be removed. This makes it really troublesome to remove the panel.

However, in this embodiment, since the panel 19 is fixed to the inner cover plate 5 by the screws 33 from below, the heads of the screws 33 are not exposed on the panel 19, and of course the appearance is good. When removing the panel 19, by removing the screws 33, the panel 19 can be easily removed from the lid 2 by simply lifting the panel 19 outward from the opening 31 of the outer lid plate 4. The panel 19 can be easily removed. Furthermore, when attaching the panel 19, after the engagement groove 27 of the panel 19 is engaged with the edge of the opening 31 of the outer cover plate 4, the fitting protrusion 28 is fitted into the opening 31. The panel 19 can be installed simply by placing the peripheral edge of the panel 19 on the top surface of the outer cover plate 4, and in this state, inserting the screw 33 into the screw hole 32 of the inner cover plate 5 and tightening it to the boss 29 of the panel 19. Since the panel 19 is completed, the panel 19 can be easily attached. Moreover, by fixing the panel 19 to the inner cover plate 5 with the screws 33 in this manner, a clamping force is applied between the outer cover plate 4 and the inner cover plate 5 through the panel 19 at the same time as the panel 19 is attached. Since the structure is such that the lid 2 itself, including the panel 19, can be assembled easily, the panel 19 can provide a clamping force to the central portion of the lid 2. , even if the engagement force between the engagement protrusion 8 of the outer cover plate 4 and the engagement recess 9 of the inner cover plate 5 decreases due to deformation of the outer cover plate 4 and the inner cover plate 5 during long-term use, the conventional structure The bonding state between the outer cover plate 4 and the inner cover plate 5 can be stably maintained compared to that of the panel 19, and since the peripheral edge of the panel 19 is pressed against the upper surface of the outer cover plate 4, the panel 1
The peripheral edge part 9 of the outer lid plate 4 is securely adhered to the upper surface of the outer lid plate 4 without being raised, and has a good appearance. In addition, especially in this embodiment, since the panel 19 is made of ABS resin, it goes without saying that the adhesiveness of the sheet member 41 is good.
Even if the panel 19 is integrally provided in a protruding manner, for example, unlike polypropylene that generally forms the outer cover plate, there will be no sink marks on the upper surface of the panel 19, and the appearance of the panel 19 can be kept beautiful.

It should be noted that the present invention is not limited to the embodiments described above and shown in the drawings, but can be modified in various ways without departing from the scope of the invention.

[Effects of the Invention] As is clear from the above description, the present invention is provided with a panel having an operation section or a display section on the top surface of the lid, and a panel provided on the top surface of the panel so as to cover this. Since the elastically deformable sheet member is glued, it is possible to improve the visibility and operability of the operation section and display section, and even if the top surface of the panel is uneven, the elastically deformable sheet member can be attached to the top surface of the panel. It has an excellent property of being able to adhere closely along the unevenness of the panel, effectively preventing moisture from entering between the sheet member and the panel to the internal electrical components, and improving insulation properties. be effective.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention.
The figure is an enlarged vertical sectional view of the lid, FIG. 2 is an enlarged plan view of the panel portion, and FIG. 3 is a perspective view of the whole. In the drawing, 2 is a lid, 4 is an outer lid plate, 5 is an inner lid plate, 1
9 is a panel, 31 is an opening, 33 is a screw, 34 is a printed circuit board, 35, 36 is an operation section, 37 to 40
41 is a sheet member, and 49 is a display section.

Claims (1)

[Claims] 1. A rice cooker characterized in that a panel having an operation section or a display section is provided on the top surface of the lid, and an elastically deformable sheet member is adhered to the top surface of the panel so as to cover the panel. .