JP7227491B2 - container body - Google Patents

Description

TECHNICAL FIELD The present invention relates to a container body such as a rice cooker.

In the past, "the rear part of the lid is attached to the rear part of the rice cooker body by means of a hinge shaft, the lid is urged in the opening direction by means of a hinge spring, and the hinge shaft, its bearing part, and the storage part of the hinge spring are attached to the rice cooker body. A lid opening/closing structure for a rice cooker in which a hinge portion cover applied from behind is fixed and the lid engaged with the rice cooker main body is disengaged to automatically open the lid, wherein the hinge shaft is set to a predetermined value. An outer bearing portion and an inner bearing portion are provided for each hinge shaft, and the outer end of each hinge shaft is fixed to the lid, and the bearing portion is provided for each hinge shaft. and a hinge spring is inserted through each of the hinge shafts, and a part of the hinge part cover is pressed against each of the hinge springs." See publications, etc.).

Japanese Patent Application Laid-Open No. 2002-282123

By the way, in the rice cooker described above, the hinge portion cover is provided with an engaging claw, and the engaging claw is engaged with an engaging portion provided on the shoulder member. Here, the hinge cover and the shoulder member are usually made of inexpensive resin such as polypropylene. Such inexpensive resins generally have low heat resistance and are often thermally deformed. Therefore, in the rice cooker, the shoulder member relatively close to the heat source is often gradually deformed by the heat generated during cooking. When the shoulder member is deformed in this manner, the position of the locking portion is displaced, and the position of the hinge cover connected by the locking claw is also displaced, resulting in a gap or the like between the hinge cover and the shoulder member. occurs.

An object of the present invention is to make it difficult for a gap or the like to occur between a hinge cover and a connecting member (such as a shoulder member of a rice cooker) connecting the hinge cover and the hinge cover in a container such as a rice cooker.

The container body according to the present invention is
the main body;
a lid;
a hinge mechanism that attaches the lid to the main body so that it can be opened and closed;
a cover member covering the rear side of the hinge mechanism,
A claw portion is formed on an upper portion of the cover member on the side facing the hinge mechanism,
The claw portion is engaged with a first member which is a member constituting the main body and is formed of a material having higher rigidity than the material of the cover member.

According to the above configuration, the claw portion of the cover member (corresponding to the "hinge cover" in the background art) is engaged with the first member made of a material having higher rigidity than the material of the cover member. . In general, the higher the rigidity of the material, the less likely it is to be thermally deformed. Therefore, in this container body, it is possible to make it difficult for a gap or the like to occur between the cover member and the first member.

In the present invention,
The cover member is formed with an extending portion extending from an upper portion on the opposite side of the hinge mechanism toward the hinge mechanism,
It is preferable that the claw portion is provided at the distal end of the extension portion.

According to the above configuration, the shape of the cover member can be stabilized.

In the present invention,
A screw receiving portion having an upwardly extending screw hole is provided at a lower portion of the cover member on the opposite side of the hinge mechanism,
It is preferable that the cover member is screwed via the screw receiving portion to a second member disposed below the cover member.

According to the above configuration, it is possible to prevent the head of the screw from being exposed to the outside of the cover member, which in turn contributes to the improvement of the design of the cover member.

In the present invention,
It is preferable that a positioning rib for determining a position with respect to the first member is formed on the side of the cover member facing the hinge mechanism.

According to the above configuration, the cover member can be easily attached, and even if the cover member is thermally deformed, the degree of deformation can be reduced.

In the present invention,
The hinge mechanism has a biasing member,
A pair of left and right claw portions are formed,
A slit is formed near the inner side of each of the claw portions,
It is preferable that a part of the biasing member passes through the slit when the lid body is opened and closed.

According to the above configuration, even if the cover member expands due to heat, it is possible to prevent hindrance to the movement of the part of the biasing member, such as contact of the claw portion with the part of the biasing member. .

In the present invention,
It is preferable that a reinforcing rib is formed on the side of the cover member facing the hinge mechanism.

According to the above configuration, deformation of the cover member due to heat or the like can be suppressed.

BRIEF DESCRIPTION OF THE DRAWINGS It is a front view of the rice cooker which concerns on embodiment of this invention. FIG. 2 is a sectional view taken along line II of FIG. 1; FIG. 3 is a partial cross-sectional view of the rice cooker according to the embodiment of the present invention, taken along line II-II of FIG. 2 and cutting only one side; Fig. 2 is a plan view when the upper exterior member is removed from the lid constituting the rice cooker according to the embodiment of the present invention; In addition, in this drawing, the dashed line circle in the center indicates the outer peripheral position of the inner pot. FIG. 3 is an exploded perspective view of a lower exterior member, a shaft fixing portion containing member, and a reinforcing member that constitute the lid body of the rice cooker according to the embodiment of the present invention; Fig. 2 is a partial cross-sectional view of the rice cooker according to the embodiment of the present invention, cut along a plane including screw-insertion positions of fastening sheet metal; Fig. 4 is a rear perspective view of a hinge cover that constitutes the rice cooker according to the embodiment of the present invention; It is the rice cooker which concerns on embodiment of this invention, and the fragmentary sectional view cut|disconnected by the surface containing the nail|claw part of a hinge cover. It is the rice cooker which concerns on embodiment of this invention, and the fragmentary sectional view cut|disconnected by the surface containing the screw receiving part of a hinge cover.

<Structure of the rice cooker according to the embodiment of the present invention>
A rice cooker 100 according to an embodiment of the present invention is an induction heating pressure rice cooker, and as shown in FIGS. It consists of a mechanism 150 . These constituent elements are described in detail below.

1. Main Body The main body 110, as shown in FIGS. 1 to 3, mainly includes a housing 111, a handle 112, a heat insulating material (not shown), an induction heating coil 113, a heat retaining heater HT, a ferrite core assembly 121, and a thermistor. 114 , blower fan 115 , heat sink 116 , operation panel 117 , power supply circuit board 118 , control circuit board 119 and automatic winding power cord unit 120 . These constituent elements are described in detail below.

(1) Housing The housing 111, as shown in FIGS. material (not shown), induction heating coil 113, ferrite core assembly 121, thermistor 114, blower fan 115, heat sink 116, power supply circuit board 118, control circuit board 119, self-winding power cord unit 120, etc. ing. An operation panel 117 is arranged on the upper front side of the shoulder member 111c.

The side wall 111a is an enclosure wall having a substantially rectangular shape in plan view, and covers the side surface of the main body 110 as shown in FIGS. A handle 112 is rotatably attached to the side wall 111a as shown in FIGS.

The bottom wall 111b is a substantially square plate-like body and is fitted under the side wall 111a as shown in FIGS. 1 to 3 to cover the opening on the bottom side of the side wall 111a. As shown in FIG. 2, the bottom wall 111b has an intake port Os for sucking in the air outside the housing 111 and an air intake port Os for discharging the air inside the housing 111 to the outside. An exhaust port (not shown) is formed. In addition, as shown in FIG. 2, a blower fan 115 is arranged directly above the intake port Os. When the blower fan 115 is driven, external air is sucked into the housing 111 through the air intake port Os, and the air flow generated thereby causes the heated air inside to be discharged out of the system through the exhaust port.

The shoulder member 111c is a substantially rectangular frame, and as shown in FIGS. 1 to 3, is fitted on the upper side of the side wall 111a to cover the edge of the upper opening of the side wall 111a. As shown in FIG. 2, a protective frame 111d is attached to the lower side of the shoulder member 111c. As shown in FIG. 2, the protection frame 111d is attached to the shoulder member 111c by a flange portion FP (described later), and the flange portion FP projects the shoulder member 111c outward.

The protective frame 111d is a member that protects the outer circumference of the inner pot 130 and holds the shape of the shoulder member 111c. As shown in FIGS. 2 and 3, the protective frame 111d is mainly composed of an inner pot housing portion PA, a flange portion FP, a support portion (not shown), and a fitted portion Cp. . The inner pot housing portion PA is a bowl-shaped portion that covers the outer circumference of the inner pot 130 . As described above, the flange portion FP is disposed on the lower side of the shoulder member 111c, and stretches the frame-shaped portion on the rear side of the shoulder member 111c outward to extend the frame-shaped portion on the rear side of the shoulder member 111c. It keeps the shape of In addition, a pair of wire guide holes (not shown) are formed in the front and rear of the left fitting portion in the flange portion FP. This wire guide hole (not shown) is formed so as to extend along the thickness direction of the flange portion FP. A signal wire (not shown) extending from the thermistor 114 or the like is guided through the wire guide hole. The signal line exits from the lower side of one of the wire guide holes to the upper side, passes through the upper side of the fitted portion Cp, and exits from the upper side to the lower side of the other wire guide hole to enter the wire guide hole. passed through. As described above, since the shoulder member 111c is positioned above the flange portion FP, the signal line passed above the flange portion FP passes between the flange portion FP and the shoulder member 111c. Become. The support portion stretches the rear portion of the front frame-shaped portion of the shoulder member 111c outward to maintain the shape of the rear portion of the front frame-shaped portion of the shoulder member 111c. As will be described later, the shaft portion 112b of the handle 112 is rotatably fitted to the fitted portion Cp.

The board support member 111e is a member that supports the control circuit board 119 as shown in FIG. 2 and also serves to retain the shape of the front side portion of the shoulder member 111c. It is made from a material that is easy to maintain.

(2) Handle The handle 112 is a member provided for the user to carry the rice cooker 100 by hand, and is composed of a body portion 112a and a shaft portion 112b as shown in FIG. The body portion 112a has a substantially U-shape. The shaft portion 112b extends inward from both ends of the body portion 112a as shown in FIG. In this rice cooker 100, as shown in FIG. 3, the shaft portion 112b passes through a hole Px formed in the upper portion of the longitudinal center of the side wall 111a, and passes through a fitted portion formed in the protective frame 111d. It is fitted in the portion Cp.

(3) Heat Insulating Material The heat insulating material is wrapped around the side wall of the inner pot housing portion PA of the protective frame 111d and the outer periphery of the induction heating coil 113, and the heat generated from the inner pot 130 during rice cooking is transferred to the outside of the inner pot housing portion PA. It plays a role in suppressing the outflow of

(4) Induction Heating Coil The induction heating coil 113 is an induction heating source for induction-heating the inner pot 130, and as shown in FIGS. It is arranged outside the lower end of the side wall.

(5) Heat Retention Heater The heat retention heater HT is an annular heater used during heat retention operation, and as shown in FIG. It is located slightly below.

(6) Ferrite Core Assembly The ferrite core assembly 121 is arranged around the induction heating coil 113 as shown in FIG. The ferrite core plays a role of suppressing leakage of electromagnetic waves generated from the induction heating coil 113 when electricity is supplied. In the ferrite core assembly 121, a ferrite core holder (not shown) that accommodates the ferrite cores is formed with a wiring portion, and a power supply wire (not shown) extending to the heat retaining heater HT and the induction heating coil 113 is formed. ) are passed through the wiring section.

(7) Thermistor The thermistor 114 is a temperature sensor, and as shown in FIG. protruding. The thermistor 114 is biased upward by a biasing member such as a coil spring. In other words, the thermistor 114 is arranged to be movable in the vertical direction. Also, this thermistor 114 is incorporated in an inner pot detection sensor (not shown). The inner pot detection sensor is for judging whether or not the inner pot 130 is present in the rice cooker. do. Upon receiving the detection signal, the microcomputer determines that the inner pot 130 is present in the rice cooker. Note that when the microcomputer determines that the inner pot 130 does not exist in the rice cooker, the rice cooking operation is not started. By the way, the thermistor 114 is supported by a substantially disk-shaped cover member 127 as shown in FIG. The cover member 127 is screwed to the bottom wall of the inner pot housing portion PA of the protective frame 111d.

(8) Blower Fan As described above, the blower fan 115 is arranged directly above the intake port Os formed in the bottom wall 111b of the housing 111 so that the rotation axis extends substantially in the vertical direction (Fig. 2). That is, when the blower fan 115 is driven, outside air is sucked from the intake port Os, flows into the housing, and is sent upward as it is. The external air sent upward passes through the heat sink 116 and is supplied to the power circuit board 118, the control circuit board 119, and the like to cool these members.

(9) Heat Sink The heat sink 116 is a component that efficiently exchanges heat with the outside air.

(10) Operation Panel The operation panel 117 is for determining and executing the operation method of the rice cooker 100, and as shown in FIGS. etc., and is arranged above the front side of the shoulder member 111c as described above.

(11) Power Supply Circuit Board The power supply circuit board 118 is a board that constitutes a power supply circuit, and several heat-generating components are mounted thereon. As shown in FIG. 2, the power circuit board 118 is housed in the front space SPf of the housing 111, like the control circuit board 119, which will be described later.

(12) Control Circuit Board The control circuit board 119 is a board constituting a control circuit, and has electronic components such as a microcomputer mounted thereon. 2, the control circuit board 119 is supported by a board supporting member 111e arranged above the heat sink 116 and below the operation panel 117 in the front space SPf of the housing 111. there is

(13) Automatic winding type power cord unit The automatic winding type power cord unit 120 is composed of a power cord, an automatic winding mechanism (not shown), etc., and is attached to the housing 111 as shown in FIG. It is housed in the rear space. The power cord consists of a plug (not shown) and an electric wire (not shown). The insertion plug is arranged at the tip of the electric wire. The electric wire is extendably wound around an automatic winding mechanism.

2. Inner Pot The inner pot 130 is a bowl-shaped pot that opens upward, is inserted through the opening of the shoulder member 111c, and is accommodated in the inner pot accommodating portion PA of the protective frame 111d with a predetermined gap. Here, the inner pot 130 is a multi-layer body (clad material) of various aluminum alloys and stainless alloys, and can be induction-heated by the induction heating coil 113 .

3. Lid Body Lid body 140, as shown in FIGS. It is composed of a member 147 and a shaft 151 and is rotatably attached to the main body 110 via a hinge mechanism 150 . Note that the shaft 151 also constitutes a part of the hinge mechanism 150 .

As shown in FIGS. 2 and 3, the exterior body 141 is a substantially rectangular parallelepiped member composed of an upper exterior member 141a and a lower exterior member 141b made of general-purpose resin such as polypropylene. It accommodates the pressure adjusting mechanism 143, the lever member 146, and the like. Here, as shown in FIGS. 1 to 3, the open/close button 142 is arranged on the exterior body 141 so that its upper surface is exposed above the exterior body 141. FIG. 4 and 5, the exterior body 141 is reinforced by a reinforcing member 144 so as to withstand internal pressure during use. Furthermore, as shown in FIGS. 2 and 3, an inner lid 145 is detachably attached to the lower surface of the exterior body 141 .

The open/close button 142 is a rectangular button with rounded corners for opening and closing the cover 140, and is arranged above the lever member 146 as shown in FIG. The open/close button 142 is biased upward by a coil spring (not shown).

The lever member 146 includes an abutment plate portion (not shown), a pair of left and right extended plate portions (not shown) extending downward from the front side of the abutment plate portion, and rearward from the lower portion of each extended plate portion. It is a metal plate member formed of a claw portion (not shown) extending toward and is pivotally supported by the exterior body 141, and is pushed upward by a coil spring (not shown) at the rear end of the contact plate portion. urged toward. Here, when the open/close button 142 is pushed down by the user, the open/close button 142 comes into contact with a portion of the contact plate portion of the lever member 146 on the rear side of the rotation shaft.

When the user wants to close the lid 140 , the user does not need to operate the open/close button 142 , and can simply push the lid 140 toward the main body 110 . At this time, the claw portion of the lever member 146 moves downward while contacting an inclined surface (not shown) formed on the shoulder member 111c. During this time, the lever member 146 rotates forward against the biasing force of the coil spring. When the pawl reaches a pawl receiving hole (not shown) formed in the shoulder member 111c, the pawl is fitted into the pawl receiving hole by the biasing force of the coil spring. In this manner, the lid 140 is closed. On the other hand, when the lid body 140 is to be opened, the user presses the open/close button 142 . Then, the lower end portion of the open/close button 142 contacts the contact portion of the lever member 146, and the lever member 146 rotates forward against the biasing force of the coil spring. At this time, the claw portion fitted in the claw receiving hole is pulled out from the claw receiving hole. Then, the lid 140 is lifted upward by the biasing force of the hinge mechanism 150, and the lid 140 is opened.

The pressure adjustment mechanism 143 is a mechanism that adjusts the pressure inside the inner pot 130 to 1.03 to 1.3 atm when the lid 140 is closed and the rice is cooked under pressure. As shown, it is mainly composed of a pressure adjusting ball (not shown), a pressure adjusting ball housing portion 143a, a reciprocating actuator 143b and an action rod 143c. The pressure regulating ball is accommodated in the pressure regulating ball accommodating portion 143a, and is arranged above a pressure regulating hole (not shown) formed in the lower exterior member 141b. When the pressure adjusting ball is not pushed by the push rod portion (not shown) of the action rod 143c, the pressure adjusting ball sits on the valve seat so as to close the pressure adjusting hole and adjusts the internal pressure of the inner pot 130 (the inner pot When the internal pressure of 130 reaches or exceeds a predetermined value, the pressure regulating ball is pushed up to temporarily reduce the internal pressure.), and the pressure regulating hole is always opened while being pushed by the push rod. The reciprocating actuator 143b is an electromagnetic piston using a solenoid, and as shown in FIG. 4, an action rod 143c is attached to the tip of the piston PT. Here, when the piston PT of the reciprocating actuator 143b moves backward, the working rod 143c moves forward, and when the piston PT of the reciprocating actuator 143b moves forward, the working rod 143c moves backward. Then, when the working rod 143c moves forward, the pressure regulating ball is seated on the valve seat so as to close the pressure regulating hole (that is, the pressure rice cooking operation state is entered), and the opening/closing lock portion ( (described later) RC restricts the pivotal movement of the lever member 146 so that the lid body 140 does not open. On the other hand, when the operating rod 143c moves rearward, the pressure adjusting ball is pushed away from the pressure adjusting hole by a push rod portion (described later) of the operating rod 143c, so that the pressure adjusting hole is always opened, and the operating rod 143c opens and closes. The restriction of the pivoting movement of the lever member 146 by the lock portion RC is released, and the lid body 140 is opened. As shown in FIG. 4, the action rod 143c is mainly composed of a push rod portion, an extension portion EP and an opening/closing lock portion RC. The push rod part is retractable in the pressure regulation ball accommodating part 143a, and as described above, has a function of pushing the pressure regulation ball to always open the pressure regulation hole except during the pressure rice cooking operation. The extended portion EP is a portion that physically connects the push rod portion and the open/close lock portion RC, and has a substantially L shape in plan view. As shown in FIG. 4, the opening/closing lock portion RC is a portion provided at the front end of the extended portion EP, and is movable in and out of a gap below a portion of the lever member 146 facing the coil spring. ing. The opening/closing lock portion RC enters the above-described gap during the pressure cooking operation, that is, when the working rod 143c moves forward, and is pulled out from the above-described gap when the working rod 143c moves rearward. . In this embodiment, the pressure adjusting mechanism is not particularly limited, and a conventional one may be employed.

The reinforcing member 144 is for increasing the rigidity of the lower exterior member 141b, and is made of engineering plastic such as polyphenylene sulfide (PPS). It should be noted that engineering plastics have higher rigidity and superior heat resistance than general-purpose resins, and thus are less likely to be thermally deformed than general-purpose resins.

As shown in FIGS. 4 and 5, the reinforcing member 144 is a substantially rectangular frame-shaped member and is screwed to the lower exterior member 141b of the exterior body 141. As shown in FIG. As shown in FIGS. 4 and 5, the rear portion of the reinforcing member 144 is attached to the lower exterior member 141b of the exterior body 141 together with an extension portion (described later) 147b of the shaft fixing portion containing member 147. They are fastened together with screws.

The inner lid 145 is a member for covering and sealing the upper portion of the inner pot 130 as shown in FIG.

The shaft fixing portion containing member 147 is a substantially L-shaped columnar member as shown in FIG. It is In addition, this shaft fixing portion containing member 147 is made of a general-purpose resin such as polypropylene. The shaft fixing portion 147a serves to fix the shaft 151 as shown in FIG. The extending portion 147b extends forward from the shaft fixing portion 147a as shown in FIGS. As shown in FIG. 4, the extended portion 147b extends from the shaft fixing portion 147a to the inner side of the outer circumference of the inner pot 130 (broken line circle in FIG. 4) when seen from above. That is, the shaft fixing portion 147a does not overlap the inner pot 130 in plan view, but the extension portion 147b overlaps the inner pot 130 in plan see-through.

The shaft 151 is a rotating shaft of the lid 140, and is fixed to the shaft fixing portion 147a of the shaft fixing portion containing member 147 as described above. The shaft 151 is rotatably supported by a bearing hole (not shown) of the fastening plate 153 of the hinge mechanism 150 .

4. Hinge Mechanism The hinge mechanism 150, as shown in FIGS. , the lid 140 is attached to the main body 110 so that the lid 140 is rotatable with respect to the main body 110 . As described above, the hinge mechanism 150 urges the lid body 140 in the opening direction by the torsion spring 154 as shown in FIGS.

Axle 151 is as described above. The central large-diameter cylindrical portion 152 is a portion for determining the arrangement position of the pair of torsion springs 154, and is centrally attached to the shaft 151 as shown in FIG. The fastening sheet metal 153 is a member for attaching the hinge mechanism 150 to the flange portion FP of the protective frame 111d of the main body 110, as shown in FIG. As shown in FIG. 4, the fastening sheet metal 153 has a substantially U-shape in plan view, and mainly includes a main wall portion BM and a pair of fastening sheet metals 153 disposed at both left and right ends of the main wall portion BM. and a side wall portion RA. 4, the main wall portion BM is located closer to the inner pot side (main body side) than the torsion spring 154. As shown in FIG. A screw hole OB is formed in the main wall portion BM. As shown in FIG. 6, a screw BS passes through the screw hole OB, and the screw BS is screwed into the flange portion FP of the protective frame 111d, whereby the hinge mechanism 150 is fastened to the flange portion FP of the protective frame 111d. be. As shown in FIG. 6 , the fastening sheet metal 153 is screwed to the flange portion FP of the protective frame 111 d on the inner pot side of the shaft 151 . A bearing hole (not shown) is formed in each side wall portion RA. As described above, the shaft 151 is rotatably inserted into this bearing hole.

By the way, this hinge mechanism 150 is covered with a hinge cover 160 as shown in FIGS. The hinge cover 160 will be described in detail below.

The hinge cover 160 is a member that covers the rear side of the hinge mechanism 150 as shown in FIGS. 2 and 6, and as shown in FIG. It is formed of a portion 163 , a claw portion 164 , a claw beam portion 165 , a screw receiving portion 166 and a rib portion 167 .

The main wall portion 161 is a partially cylindrical wall portion as shown in FIG. 7 and serves to cover the rear side of the hinge mechanism 150 . As shown in FIG. 7, the main wall portion 161 is formed with a pair of vertical slits Sv opening upward on the left and right sides. In the embodiment of the present invention, this main wall portion 161 does not have the screw holes formed in the conventional hinge cover.

The ceiling wall portion 162 is a wall portion extending to one side along the horizontal direction from the upper end of the main wall portion 161 as shown in FIG. Further, in the ceiling wall portion 162, as shown in FIG. 7, a horizontal slit Sh opening in the front-rear direction is formed at a position corresponding to the vertical slit SL of the main wall portion 161. As shown in FIG. In this description, the combination of the vertical slit SL and the horizontal slit Sh may be referred to as a "slit SL". Part of the torsion spring 154 passes through the slit SL when the lid 140 is opened and closed.

As shown in FIG. 7, the side wall portion 163 is a wall portion extending from both side ends of the main wall portion 161 toward the same side as the top wall portion 162 extends, and covers the side surface of the rear portion of the hinge mechanism 150. playing a role.

The claw portion 164 is formed at the tip of the claw beam portion 165 as shown in FIG. 8, the claw portion 164 is engaged with a flange portion FT extending outward from the upper end portion of the side wall portion RA of the fastening sheet metal 153. As shown in FIG.

As shown in FIG. 7, the claw beam portion 165 extends from near the upper end of the outer side of the vertical slit Sv of the main wall portion 161 toward the same side as the top wall portion 162 extends. Further, as described above, the claw portion 164 is formed at the tip of the claw beam portion 165 .

The screw receiving portion 166 is a portion extending from the lower end portion of the main wall portion 161 toward the same side as the top wall portion 162 extends, as shown in FIG. The screw receiving portion 166 is formed so as to be positioned slightly inside the vertical slit Sv of the main wall portion 161 as shown in FIG. The screw receiving portion 166 is formed with a screw hole OI for screwing a screw BS (see FIG. 9). This screw hole OI is formed along the height direction of hinge cover 160 . As shown in FIG. 9, a screw BS passing through a screw hole OD formed on the rear end side of the shoulder member 111c is screwed into the screw hole OI. As a result, the hinge cover 160 is fastened to the shoulder member 111c. This screw BS is screwed before the side wall 111a is attached to the shoulder member 111c.

The rib portion 167 is a beam-like portion that plays a role of positioning and reinforcement, and as shown in FIG. 8, the rib portion 167 is fitted into a recess YA formed slightly below the upper end of the side wall portion RA of the fastening sheet metal 153. As shown in FIG.

<Characteristics of the rice cooker according to the embodiment of the present invention>
(1)
In rice cooker 100 according to the embodiment of the present invention, claw portion 164 of hinge cover 160 is locked to fastening sheet metal 153 . Therefore, in this rice cooker 100, a gap or the like is less likely to occur between the hinge cover 160 and the fastening sheet metal 153. As shown in FIG.

(2)
In rice cooker 100 according to the embodiment of the present invention, claw portion 164 is formed at the tip of claw beam portion 165 . Therefore, in this rice cooker 100, the shape of the hinge cover 160 can be stabilized.

(3)
In rice cooker 100 according to the embodiment of the present invention, screw receiving portion 166 extends from the lower end portion of main wall portion 161 toward the back side, and screw receiving portion 166 extends along the height direction of hinge cover 160 . A screw hole OI is formed. A screw BS passing through a screw hole OD formed on the rear end side of the shoulder member 111c is screwed into the screw hole OI. As a result, the hinge cover 160 is fastened to the shoulder member 111c. Therefore, in this rice cooker 100, it is possible to prevent the head of the screw BS from being exposed to the outside of the hinge cover 160, which in turn contributes to improving the design of the hinge cover 160.

(4)
In rice cooker 100 according to the embodiment of the present invention, rib portion 167 is formed on the back side of hinge cover 160 to determine the position with respect to fastening sheet metal 153 . Therefore, in this rice cooker 100, the attachment of the hinge cover 160 can be facilitated, and even if the hinge cover 160 is thermally deformed, the degree of deformation can be reduced.

(5)
In rice cooker 100 according to the embodiment of the present invention, claw beam portion 165 extends from near the upper end of the outer side of vertical slit Sv of main wall portion 161 toward the back side, and claw portion 164 extends to the tip of claw beam portion 165. is provided. Therefore, in this rice cooker 100, even when the hinge cover 160 expands due to heat, the pawl portion 164 does not interfere with the movement of a part of the torsion spring 154, such as contacting a part of the torsion spring 154. can be prevented.

(6)
In the rice cooker 100 according to the embodiment of the present invention, on the back side surface of the main wall portion 161, along the horizontal plane passing through substantially the center of the main wall portion 161 in the height direction, the A rib portion 167 is formed on the . Therefore, in this rice cooker 100, deformation of the hinge cover 160 due to heat or the like can be suppressed.

<Modification>
(A)
In the rice cooker 100 according to the previous embodiment, the rib portion 167 served not only as the positioning rib but also as the reinforcing rib, but the positioning rib and the reinforcing rib may be provided separately.

(B)
Although the present invention was applied to the rice cooker 100 in the previous embodiment, the present invention is applicable to other electric appliances (including electric cookers), machines (including cooking machines), structures (cooking utensils, etc.). including.) and so on.

100: Rice cooker (container body)
110: Main body 111c: Shoulder member (second member)
140: Lid 150: Hinge mechanism 153: Fastening sheet metal (first member)
154: torsion spring (biasing member)
160: Hinge cover (cover member)
164: claw portion 165: claw beam portion (extending portion)
166: Screw receiving portion 167: Rib portion (positioning rib, reinforcing rib)
OI: screw hole SL: slit

Claims (6)

the main body;
a lid;
a hinge mechanism that attaches the lid to the main body so that it can be opened and closed;
a cover member covering the rear side of the hinge mechanism,
A claw portion is formed on an upper portion of the cover member on the side facing the hinge mechanism,
The container body, wherein the claw portion is engaged with a first member that is a member that constitutes the main body and that is formed of a material having higher rigidity than the material of the cover member. The cover member is formed with an extension portion extending from an upper portion on the opposite side of the hinge mechanism toward the hinge mechanism,
2. The container body according to claim 1, wherein said claw portion is provided at a tip of said extension portion. A screw receiving portion having an upwardly extending screw hole is provided at a lower portion of the cover member on the opposite side of the hinge mechanism,
3. The container body according to claim 1, wherein said cover member is screwed via said screw receiving portion to a second member disposed below said cover member. 3. The container body according to claim 1, wherein a positioning rib for determining a position with respect to said first member is formed on a side of said cover member opposite to the hinge mechanism. The hinge mechanism has a biasing member,
A pair of left and right claw portions are formed,
A slit is formed near the inner side of each of the claw portions,
The container body according to any one of claims 1 to 4, wherein a part of said biasing member passes through said slit when said lid body is opened and closed. The container body according to any one of claims 1 to 5, wherein a reinforcing rib is formed on the side of the cover member facing the hinge mechanism.

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