JP2007312845A - Electric cooker and board holder used for electric cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent a problem caused by water leakage, and to miniaturize the entire exterior casing. <P>SOLUTION: An electric cooker (a rice cooker 10) has a storing part 35 for removably storing a pot 11 having materials set in a pot body 12. A partitioning wall 44 extending horizontally and an annular wall 47 projecting upward from the partitioning wall 44 are provided under the storing part 35. A water receptacle 49 is formed at the upper part of the partitioning wall 44 so as to be surrounded by the annular wall 47. A board arranging part 50 is provided under the partitioning wall 44 for arranging a control board 42. A board holder 43 is arranged, which has a water discharge passage 51 extending from the water receptacle 49 to the lower part of the board arranging part 50. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an electric cooker that detachably accommodates a cooking pot with respect to a cooker body, such as a rice cooker, a mochi rice cooker, and a bread maker, and more particularly to a substrate holder used in the cooker.

  Prior art document information relating to the electric cooker of the present invention in which the cooking pan is configured to be detachable includes the following.

Japanese Patent Laid-Open No. 3-16515 JP 2000-163 A

  The cooker described in these patent documents is a rice cooker, and this rice cooker is formed with an accommodating portion that detachably accommodates a rice cooker in a rice cooker body. And since this rice cooker is made to accommodate in a storage part in the state which set rice and water to cook in a rice cooker, when letting a rice cooker accommodate in a storage part let alone the water adhering to a rice cooker Water may be spilled and allowed to enter the housing.

  In this type of equipment, each load component is provided with a predetermined waterproof measure, but it is absolutely necessary to avoid water from adhering to the control board. So, in patent document 1, the control board is arrange | positioned so that it may extend in a horizontal direction so that the bottom center which arrange | positioned the temperature sensor which may leak water may be avoided in the bottom of the rice cooker main body. Moreover, in patent document 2, the control board is arrange | positioned so that it may extend in the perpendicular direction between the trunk | body which comprises the exterior body side part of a rice cooker main body, and an accommodating part.

  However, in recent years, as well as rice cookers, cooking menus have become diversified and complicated, so an increase in the size of the control board is inevitable. Therefore, like the patent document 1, in the structure which arrange | positions a control board to the bottom of a rice cooker main body, it cannot avoid and arrange | position around a center part with high possibility that water will dripped. Moreover, in the structure arrange | positioned perpendicularly between the exterior body of a rice cooker main body, and an accommodating part like patent document 2, there exists a problem that an exterior body enlarges from the necessity of ensuring arrangement | positioning space. Incidentally, there is also provided a rice cooker that divides the control board into two or more and is arranged to extend in the vertical direction. In this case, positioning of a plurality of control boards and connection between the control boards are required. Therefore, there is a problem that assembly workability is poor.

  The present invention has been made in view of conventional problems, and provides an electric cooker capable of reducing the size of the entire exterior body without causing a problem due to water leakage and a substrate holder used for the cooker. Is an issue.

In order to solve the above-described problems, an electric cooker according to the present invention is an electric cooker including a storage unit that detachably stores a cooking pan in which a cooking material is set in a cooker body. A partition wall extending in the lateral direction and an annular wall provided so as to protrude upward from the partition wall, forming a water receiving portion surrounded by the annular wall on the upper side of the partition wall, and the partition wall It is assumed that a substrate placement portion for placing the control substrate is provided on the lower side, and a substrate holder provided with a drainage channel extending from the water receiving portion to the lower side of the substrate placement portion is provided.
Specifically, the annular wall protrudes from the outer peripheral edge of the partition wall, and the drainage channel is provided with a bulging portion extending in a vertical direction in which a part of the annular wall is bulged outward.

  This electric cooker is arranged not to avoid the bottom where water may drip in the cooker body, but to be actively positioned at the bottom, so the whole cooker body is downsized. Can be realized. In addition, the substrate holder is provided with a water receiving part at the upper part of the partition wall extending in the lateral direction and a drainage channel extending from the water receiving part to the lower part of the lower substrate disposing part. Can prevent the problem of adhesion.

In this electric cooker, the cooker body includes an exterior body having a cylindrical body and a bottom body disposed at a lower part of the body and having a drain hole, and at the lower end edge of the body, It is preferable that a bottom portion protruding inward is provided, and the substrate holder and the bottom body are fixed to the bottom portion.
In this case, it is preferable that the bottom portion of the body is sandwiched between the substrate holder and the bottom body, and the substrate holder and the bottom body are fixed by screws.
If it does in this way, while being able to improve assembly workability | operativity, the water leakage accompanying an attachment error can be prevented.

  The bottom body preferably includes an introduction portion for introducing a power cord, and the drainage channel of the substrate holder is provided at a position away from the introduction portion. In this way, an electric shock due to leaked water can be reliably prevented.

  And the board | substrate holder used for this cooking appliance was provided with the partition wall extended in the horizontal direction, and the annular wall provided so that it might protrude upwards from this partition wall, and it was enclosed by the said annular wall above the said partition wall. A structure in which a water receiving portion is formed, a substrate disposing portion for disposing a control substrate is provided below the partition wall, and a drainage channel extending from the water receiving portion to the lower side of the substrate disposing portion is provided. It is.

  In the substrate holder of the present invention, a water receiving part is provided at the upper part of the partition wall extending in the lateral direction, and a drainage channel extending from the water receiving part to the lower part of the substrate disposing part is provided, so that water adheres to the control board. Can prevent the problem. And the electric cooker using the substrate holder configured in this way is not to avoid a portion where water may drop on the substrate holder at the bottom of the main body of the cooker, but to be positively positioned in that portion. Because of the arrangement, the entire cooker body can be downsized.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1 and 2 show a rice cooker 10 that is an electric cooker to which a substrate holder 43 according to an embodiment of the present invention is applied. This rice cooker 10 closes the rice cooker main body 12 (cooker main body) which detachably accommodates the rice cooker 11 (cooking pan) for setting rice and water as cooking materials, and the upper end opening of the rice cooker main body 12. The lid body 56 is provided.

  As shown in FIGS. 2 and 3, the rice cooker main body 12 includes a body 13 made of a metal (stainless steel) body having a mirror finish, and an annular shoulder disposed in an upper end opening of the body 13. An exterior body having a body 21 and a bottom body 29 disposed on the bottom of the body 13 is provided.

  As shown in FIGS. 3 and 4, the body 13 has a substantially cylindrical shape in which the diameter of the lower portion is gradually reduced by drawing a metal plate. The upper end edge of the body 13 is provided with a flange portion 14 that protrudes outward in the horizontal direction in order to fix the shoulder body 21. A bottom 15 for fixing a bottom body 29 and a substrate holder 43, which will be described later, is provided at the lower edge of the body 13 so as to protrude inward in the horizontal direction. A central hole 16 having a substantially circular shape is provided in the center of the bottom portion 15. The center hole 16 is provided with three fitting grooves 17a to 17c extending outward on the inner peripheral edge in order to fit and fix the substrate holder 43. Among them, the fitting grooves 17a and 17b are provided so that the extending directions thereof are linearly matched, and the fitting groove 17c is extended in a direction orthogonal to an imaginary line extending over the fitting grooves 17a and 17b. Is provided. The center hole 16 is provided with a notch 18 for introducing a power line from a commercial power source. Furthermore, a screw hole portion 19 for fixing the bottom body 29 by screwing and a screw insertion hole 20 for inserting a screw are provided around the center hole 16 in the bottom portion 15.

  As shown in FIGS. 2 and 3, the shoulder body 21 is made of a resin that is fixed to the flange portion 14 of the body 13. The shoulder body 21 is provided with an opening 22 for detachably mounting the rice cooking pot 11 at the center thereof. Further, on the back side of the shoulder body 21, there is provided a hinge connecting portion 23 for pivotally attaching a lid 56, which will be described later, so as to be opened and closed. Further, a lock claw portion 24 for locking the lid 56 so as not to be opened is provided on the front side of the shoulder body 21. In the present embodiment, the shoulder body 21 is formed so as to protrude outward from the body 13, and an operation panel 25 is provided on the front side of the protruding portion. In the operation panel 25, separate operation members 26a to 26e are disposed in holes provided in the shoulder body 21, and a spacer set 27 is disposed on the back (inside) of the operation members 26a to 26e. A switch board 28 on which switches are mounted is disposed on the back of the set 27.

  As shown in FIGS. 5 (A) and 5 (B), the bottom body 29 is made of a resin having a saucer shape disposed in the lower part of the body 13 and has a leg portion protruding substantially spherically on the bottom. 30 are provided at equal intervals in the circumferential direction. A plurality of reinforcing ribs 31 projecting radially are provided on the upper surface of the bottom body 29. In the present embodiment, a plurality of drain holes 32 are provided in the center, which is the deepest position of the bottom body 29. The bottom body 29 is provided with an introduction portion 33 for introducing a power cord for connection with a commercial power source so as to penetrate in the horizontal direction. Further, the bottom body 29 is provided with a screw insertion hole 34 corresponding to the screw hole portion 19 of the body 13.

  As shown in FIG. 2 and FIG. 3, a metal container 35 for detachably storing the rice cooking pot 11 is disposed inside the exterior body composed of the body 13, the shoulder body 21 and the bottom body 29. Has been. This accommodating part 35 is a cylindrical thing of the upper end opening extended downward from the lower end of the opening part 22 of the shoulder body 21, and a lower end closure, and the substantially bowl-shaped heating plate which arrange | positioned the heater in the center of the bottom (Not shown) and the recessed part 36 which arrange | positions the temperature sensor (not shown) which detects the temperature of the rice cooking pot 11 are provided. A through hole 37 is provided in the center of the recess 36 for arranging and fixing the temperature sensor. In addition, a screw hole 38 for fixing the heating plate is provided at the bottom of the recess 36, and a lead-out hole 39 for leading the wiring of the heating plate is provided. Around the screw hole 38 and the lead-out hole 39, a rib 40 for preventing intrusion is provided. Further, a plurality of drain holes 41 are provided around the through hole 37 of the recess 36. The drain holes 41 are all located in a water receiving portion 49 of the substrate holder 43 described later in plan view.

  Further, a resin-made substrate holder 43 for disposing the control substrate 42 is disposed at substantially the center of the lower portion of the housing portion 35 in the exterior body. As shown in FIGS. 3 and 6A and 6B, the substrate holder 43 is provided so as to protrude in a vertical direction from a partition wall 44 having a rectangular shape in plan view and an outer peripheral edge of the partition wall 44. An annular wall 47 is provided. The partition wall 44 includes a horizontal portion 45 that extends in the horizontal direction, and an inclined portion 46 that inclines upward from the edge of the horizontal portion 45 and extends in a planar shape. The annular wall 47 protrudes up and down so as to surround the outer peripheral edge of the partition wall 44. The annular wall 47 has a bulging portion that bulges outward in a cylindrical shape at a part of the horizontal portion 45 opposite to the inclined portion 46, and that extends in the vertical direction. 48 is provided. The bulging portion 48 forms a predetermined space between its inner peripheral surface and the horizontal portion 45.

  In the substrate holder 43 configured as described above, the upper side of the upper end opening surrounded by the partition wall 44 and the annular wall 47 constitutes a water receiving portion 49 for receiving water dripped from above. Further, the lower side of the lower end opening constitutes a board arrangement portion 50 for arranging the control board 42. And the inside of the bulging part 48 of the said annular wall 47 comprises the drainage channel 51 extended from the inside of the water receiving part 49 to the lower side of the board | substrate arrangement | positioning part 50. FIG. In this embodiment, as shown in FIG. 3, a partition wall 52 protruding downward is provided at the edge of the horizontal portion 45 corresponding to the bulging portion 48. Further, the board holder 43 is provided with fitting parts 53a and 53b on the side where the bulging part 48 is provided, and a fitting locking part 54 on the opposite center. The fitting parts 53a and 53b are non-deformable parts fitted into the fitting grooves 17a and 17b of the bottom part 15. The fitting locking portion 54 is fitted into the fitting groove 17c of the bottom portion 15 and can be elastically deformed. Furthermore, a screw tightening portion 55 for fixing by screwing is provided on the outer peripheral portion of the substrate holder 43.

  As shown in FIG. 2, the lid 56 is pivotally attached to the rice cooker main body 12 so as to be openable and closable by a hinge connection portion 23 on the back side, and has a circular shape in plan view that closes the upper portion of the rice cooker main body 12. It is. The lid body 56 includes a first lid member 57 made of resin, a second lid member 58 made of resin disposed below the first lid member 57, and an upper surface of the first lid member 57. The decorative cover 59 is provided. The decorative cover 59 is made of metal (stainless steel) having a mirror finish like the body 13. In addition, an inner lid 62 in which a seal member 61 for sealing the inner surface of the opening of the rice cooker 11 is disposed on the outer periphery of the metal inner lid body 60 is detachably disposed at the lower portion of the second lid member 58. Has been. Reference numeral 63 denotes an open button having a lock portion 63 a that engages with the lock claw portion 24.

  When assembling the rice cooker 10 having the above-described configuration, for example, after fitting the fitting portions 53a and 53b of the substrate holder 43 into the fitting grooves 17a and 17b of the body 13, the fitting locking portion 54 is fitted into the fitting groove. By being pushed into 17c, it is elastically deformed and fitted and locked.

  Then, the bottom body 29 is arrange | positioned at the bottom part 15 of the trunk | drum 13, and it fixes by screwing. At this time, first, by screwing the screw insertion hole 20 through the screw insertion hole 34 corresponding to the screw tightening portion 55 of the substrate holder 43, the bottom portion 15 of the body 13 is connected to the substrate holder 43, the bottom body 29, and the like. And fix it so that no gap is generated. Thereafter, the other screw insertion holes 34 and the corresponding screw hole portions 19 of the body 13 are tightened.

  Moreover, after fixing the accommodating part 35 with respect to the shoulder body 21, the trunk | drum 13 is arrange | positioned with respect to this shoulder body 21, and it fixes by screwing. Finally, the lid 56 in which the first lid member 57, the second lid member 58 and the decorative cover 59 are assembled is disposed on the hinge connecting portion 23 of the shoulder body 21, and the lid 56 is biased in the opening direction by the hinge spring. Attach it in the state.

  Thus, in the rice cooker 10 of the present invention, the substrate holder 43 is positioned on the bottom portion 15 of the body 13 by fitting, and the bottom body 29 is screwed, so that the body 13, the bottom body 29, and the substrate holder 43 are interposed. It can be attached with good workability without generating a gap.

  Moreover, when the said rice cooker 10 is used, water may be immersed in the accommodating part 35 which accommodates the rice cooking pot 11 like the past. In this case, water is immersed in the concave portion 36 of the accommodating portion 35 from the outer peripheral edge of the heating plate, and is also immersed in the concave portion 36 from the through hole of the heating plate through which the temperature sensor is passed. Thereafter, the liquid drops from the drain hole 41 of the recess 36 to the water receiving portion 49 of the substrate holder 43, reach the drainage channel 51 through the inclined portion 46, and drop downward without contacting the control substrate 42. Then, it passes through the central hole 16 in the bottom portion 15 of the body 13 and reaches the bottom body 29 and is drained from the drain hole 32 of the bottom body 29 to the outside of the machine.

  Thus, the rice cooker 10 of this embodiment does not avoid the position where water may dripped in the bottom of the rice cooker main body 12, but is arrange | positioned actively in the dripping position. And it is set as the structure which receives water with the water-receiving part 49 provided in the upper part of the partition wall 44 extended in a horizontal direction, and drains with the drainage channel 51 provided so that it might extend to the lower part of the board | substrate arrangement | positioning part 50. Therefore, it is possible to reduce the size of the entire exterior body of the rice cooker body 12 and to prevent the problem that water adheres to the control board 42.

  Moreover, since the board | substrate holder 43 is screwed and fixed to the bottom part 15 of the trunk | drum 13, the water leakage accompanying an attachment error can be prevented. Furthermore, since the drainage channel 51 is positioned away from the introduction part 33 of the bottom body 29 in the assembled state, it is possible to reliably prevent an electric shock due to leaked water.

  In addition, the board | substrate holder 43 of this invention is not limited to the structure of the said embodiment, A various change is possible.

  For example, in the above-described embodiment, the drainage channel 51 is configured by the bulging portion 48 of the annular wall 47 located on the outer peripheral portion of the partition wall 44. However, a hole is provided in the partition wall 44, and the cylindrical portion protrudes from the hole. You may comprise by. Further, although the annular wall 47 is provided so as to extend vertically from the outer peripheral edge of the partition wall 44, it may be provided so as to protrude upward only from a predetermined portion on the upper surface.

  Furthermore, in the said embodiment, although the rice cooker 10 was applied as an electric cooker using the said board | substrate holder 43, the cooker which arrange | positions a cooking pot so that attachment or detachment with respect to the accommodating part 35, such as a mochi machine and a bread maker. Then, the same operation and effect can be obtained by applying the substrate holder 43.

It is a perspective view which shows the rice cooker which is an electric cooker provided with the board | substrate holder of embodiment of this invention. It is a center longitudinal cross-sectional view of FIG. It is a cross-sectional perspective view of a rice cooker main body. It is a top view of a trunk. (A) is a perspective view of a bottom body, (B) is a top view which shows the relationship between a bottom body and a substrate holder. A substrate holder is shown, (A) is a perspective view, (B) is a bottom view.

Explanation of symbols

10 ... Rice cooker (electric cooker)
11 ... Rice cooker (cooking pan)
12 ... Rice cooker body (cooker body)
DESCRIPTION OF SYMBOLS 13 ... Body 15 ... Bottom part 21 ... Shoulder body 29 ... Bottom body 32 ... Drainage hole 33 ... Introduction part 35 ... Storage part 36 ... Recessed part 41 ... Drainage hole 42 ... Control board 43 ... Substrate holder 44 ... Partition wall 47 ... Ring wall 49 ... Water receiving part 50 ... Substrate disposition part 51 ... Drainage channel 56 ... Lid

Claims (6)

In the electric cooker provided with an accommodating part that detachably accommodates the cooking pot in which the cooking material is set in the cooking apparatus body,
A partition wall extending in the lateral direction and an annular wall provided so as to protrude upward from the partition wall are provided below the housing portion, and a water receiving portion surrounded by the annular wall is provided above the partition wall. And a substrate holder provided with a drainage channel extending from the water receiving portion to the lower side of the substrate placement portion, provided with a substrate placement portion for placing the control substrate under the partition wall. Electric cooker characterized by.   The annular wall protrudes from an outer peripheral edge of the partition wall, and the drainage channel is provided with a bulging portion extending in a vertical direction in which a part of the annular wall is bulged outward. Item 10. The electric cooker according to item 1.   The cooker body includes an exterior body having a cylindrical body and a bottom body disposed at a lower portion of the body and having a drain hole, and a bottom portion projecting inwardly at a lower end edge of the body The electric cooker according to claim 1, wherein the substrate holder and the bottom body are fixed to the bottom portion.   The electric cooker according to claim 3, wherein a bottom portion of the body is sandwiched between the substrate holder and the bottom body, and the substrate holder and the bottom body are fixed by screws.   The said bottom body is provided with the introducing | transducing part which introduces a power cord, The drainage channel of the said board | substrate holder was provided in the position away from the said introducing | transducing part, The electric cooking of Claim 3 or Claim 4 characterized by the above-mentioned. vessel.   A partition wall extending in the lateral direction and an annular wall provided so as to protrude upward from the partition wall, forming a water receiving portion surrounded by the annular wall above the partition wall, and the partition wall A substrate holder for a cooking device, comprising a substrate disposition portion for disposing a control substrate on a lower side and a drainage channel extending from the water receiving portion to a lower side of the substrate disposition portion.

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