JPH04212315A - Rice cooker - Google Patents

Abstract

PURPOSE:To obtain the rice cooker with the simple but convenient structure by which not only its cover is opened automatically or the opening operation can be executed lightly but also, especially, the supporting strength of a spring can be secured enough. CONSTITUTION:Opening force is given to a cover 9 by a spring 28. Also, by forming integrally a hinge receiving part 7 for supporting pivotally its cover 9 in the upper frame 3 for constituting the upper end face of an external frame 2 of a main body 1, it becomes unnecessary to attach specially the hinge receiving part concerned 7, and simultaneously, the strength can also be made high. Accordingly, by supporting the spring 28 by a hooking plate 17 (fixing part) provided on its upper frame, the supporting strength of the spring concerned 28 cal also be secured sufficiently high.

Description

[Detailed description of the invention]

0001

[Purpose of the invention]

0002

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice cooker having a structure in which an opening force is applied to the lid by a spring.

0003

[Prior Art] Conventionally, in this type of rice cooker, a heater is installed internally and a lid is pivotally mounted on the main body that houses a pot heated by the heater, and the lid can be opened and closed. A person can open it by lifting it by hand. In recent years, for example, a torsion coil spring has been incorporated into the hinge receiving portion that pivotally supports the lid, thereby applying an opening force to the lid, thereby eliminating the need for the manual lifting operation of the lid, or reducing the operating force. Things are being considered to reduce this.

0004

[Problems to be Solved by the Invention] However, in the case of the device conceived as described above, the hinge receiving portion is, in detail, a separate part that is attached to the upper frame that constitutes the upper end surface of the outer frame of the main body with screws or the like. Since the spring is designed to be supported by the fixed part provided by the hinge receiving part of this separate attached part, the structure is complicated first.
Further, there was a problem in that sufficient support strength of the spring could not be ensured.

The present invention has been made in view of the above-mentioned circumstances, and therefore, its purpose is to provide the convenience of automatically opening the lid or easily opening the lid, in a simple manner, and with sufficient support strength of the spring. The aim is to provide a rice cooker that can be obtained with a structure that can be secured.

[0006]

[Structure of the invention]

[0007]

[Means for Solving the Problems] In order to achieve the above object, the present invention provides an outer frame constituting the outer shell of the main body, an upper frame constituting the upper end surface of this outer frame, and an inner frame inside the main body. A hinge receiving part that includes an inner frame, a pot installed in the inner frame, a lid that covers the top opening of the pot, and a fixing part that is integrally formed with the upper frame to rotatably support the lid. and a spring supported by the fixing part to apply an opening force to the lid.

[0008]

[Operation] According to the above means, since the hinge receiving portion is integrally formed with the upper frame, there is no need to separately attach it to the upper frame. In addition, the hinge receiving portion integrally formed with the upper frame has higher strength than one attached separately, and therefore, the support strength of the spring supported by the fixed portion provided on the upper frame can be ensured to be sufficiently high.

[0009]

[Embodiment] An embodiment of the present invention will be described below with reference to FIGS. 1 to 4. First, in FIG. The upper end surface is constituted by the upper frame 3. Further, as shown in FIG. 2, the main body 1 is equipped with an inner frame 4, and this inner frame 4 is equipped with a pot 5 and a heater (not shown) for heating the pot. Reference numeral 6 denotes an inner lid placed over the opening on the top surface of the pot 5. Further, 7 is a hinge receiving portion integrally formed on one side of the upper frame 3 on the right side in the figure, and 8 is a hooking portion similarly formed integrally on the other side of the upper frame 3 on the left side in the figure. On the other hand, 9 is a lid that covers the opening on the top surface of the pot 5.
Specifically, this includes an outer lid 10 and an inner lid 11, and a heat insulating material 12 and the like is provided between the two lids. In addition, on the outer surface, the main body part 14 of the handle part 13 is integrally formed on the outer lid 10 and extends in the radial direction from one place on the outer periphery to one place on the opposite side in the shape of a bridge. A hinge piece 15 (see FIG. 4) is also integrally formed at one end of the handle main body 14, and this hinge piece 15
is located outside the hinge receiving portion 7, and then the hinge shaft 16 is passed from the side between them, so that the lid 9 as a whole is pivotally mounted on the main body 1 so as to be rotatable in opening and closing. 17
is a hanging plate for the tension coil spring described later, 18
is a hinge cover, of which a hanging plate 17 is positioned inside the hinge receiving part 7, and then the hinge cover 18 is attached to the upper frame 3 together with the hanging plate 17 by screws 19 so as to cover the hinge receiving part 7 and the hanging plate 17. This also allows the hinge receiving part 7 to include the hanging plate 17 as a fixed part for supporting the tension coil spring. On the other hand, 20 is a lid locking device provided on the opposite side of the hinge piece 15 of the lid 9, and this also has a base member 21 and a lock lever 22, of which the base The member 21 is placed on the other end of the outer cover 10 and the screw 2 is inserted from below the inner cover 11.
3, and then the middle part of the lock lever 22 is rotatably pivoted to the base member 21 by a shaft 24,
A compression coil spring 25 is interposed between the lock lever 22 and the base member 21, and the spring force causes the claw part 26 at the tip of the lock lever 22 to be moved to the claw part 8.
The cover 9 is engaged with the cover 9 to lock it in the closed state. In addition to the main body 14, the handle 13 has a cover 27 that closes the opening on the upper surface of the handle 13, and has a hollow shape as a whole as shown in FIG. Before the cover 27 is attached, a spring, for example, a tension coil spring 28, is arranged along its longitudinal direction, and one end of the spring 28 is latched and supported by the hanging plate 17. It is connected to the main body 1 through a plate 17, and the other end is connected to the base member 2 of the lid locking device 20.
1 and is connected to the lid 9 via the base member 21, and this configuration provides an opening force to the lid 9.

Therefore, in the case of this embodiment configured as described above, when the lid 9 is held in the closed state by the lid locking device 20, the lock lever 22 is pressed and the claw portion 26 is hooked. When the lid 9 is released from the closed state by removing it from the portion 8, the lid 9 rotates around the hinge shaft 16 by the opening force applied from the spring 28 and opens automatically. This eliminates the need for manual lifting of the lid 9 or reduces the operating force, making it very convenient.

[0011] While similar conveniences can be obtained, especially in this embodiment, the hinge receiving portion 7 is integrally formed with the upper frame 3. There is no need to install it separately, which simplifies the structure. In addition, the hinge receiving part 7 formed integrally with the upper frame 3 has higher strength than one attached separately, and therefore the supporting strength of the spring 28 supported by the hanging plate 17 (fixed part) provided on the upper frame 3 is also increased. It can be secured sufficiently high.

FIG. 5 shows a different embodiment of the present invention, in which one end of the tension coil spring 28 is connected to, for example, the above-mentioned hanging plate 17 via a linear member 29 such as a wire or string, and then to the main body. By doing so, one end of the handle 13 can be conveniently connected without any problem even when the shape of the handle 13 becomes complicated or the inside thereof becomes narrow. You can get used to it.

In addition, the present invention is not limited to the embodiments described above and shown in the drawings, but may be implemented with appropriate modifications within the scope of the gist.

[0014]

Effects of the Invention As is clear from the above, the present invention has an outer frame that constitutes the outer shell of the main body, an upper frame that forms the upper end surface of this outer frame, an inner frame that is installed inside the main body, and an inner frame that is installed inside the inner frame. The pot is equipped with a lid that covers the top opening of the pot, and a hinge receiving portion that is integrally formed with the upper frame and includes a fixing portion for rotatably supporting the lid, and This device is equipped with a spring that is supported by a spring that applies an opening force to the lid, which not only allows the lid to open automatically or to be opened easily, but also because it is easy to use and uses a spring. This has the excellent effect of being able to obtain a structure that can ensure sufficient support strength.

[Brief explanation of the drawing]

[Fig. 1] Overall front view showing one embodiment of the present invention.

[Figure 2]
Enlarged front view of main parts

[Fig. 3] A vertical cross-sectional side view of the handle section taken along line III-III in Fig. 2.

[Figure 4] Overall perspective view showing main parts exploded

[
FIG. 5 is a perspective view of a lid showing different embodiments of the present invention

[Explanation of symbols] 1 is the main body, 2 is the outer frame, 3 is the upper frame, 4 is the inner frame, 5 is the pot, 7
is the hinge receiving part, 9 is the lid, 17 is the hanging plate (fixed part), 2
8 is a tension coil spring (spring).

Claims (1)

[Claims] 1. An outer frame that constitutes the outer shell of the main body, an upper frame that constitutes the upper end surface of this outer frame, an inner frame that is installed in the main body, a pot that is installed in this inner frame, and a top opening of this pot that covers A hinge receiving part is formed integrally with the upper frame and includes a fixing part to rotatably support the cover, and a spring is supported by the fixing part and applies an opening force to the cover. This rice cooker is characterized by: