JP5085264B2 - rice cooker - Google Patents

Description

  The present invention relates to a rice cooker, and more particularly to the structure of a lid for a rice cooker.

  Prior art document information related to the rice cooker of the present invention includes the following.

JP 2005-152115 A

  The rice cooker of Patent Document 1 includes a rice cooker body that detachably accommodates a rice cooker, a lid that is detachably attached to the rice cooker body, and an opening of the rice cooker that is detachably attached to the lid. And an inner lid for sealing. In addition, an operating member for opening is rotatably mounted on the lid, and a lock member that is interlocked with the operation of the operating member is disposed. Further, as an inner lid lock portion for maintaining the attached state of the removable inner lid, a slide member urged by a urging means toward the rear, which is the hinge side, is disposed, and the locking of the slide member The receiving part of the inner lid is detachably locked to the part. When the inner lid is attached, the slide member advances forward against the biasing force of the biasing means, and the locking state between the locking portion and the receiving portion is maintained by the biasing force of the biasing means. Is done.

  However, in the rice cooker of Patent Document 1, the rear of the slide member is supported by a lid ring that constitutes the lid body without attaching the inner lid, but the front is not supported at all, so the vertical direction There is a problem that the rattling occurs. And this rattling has a problem that the mounting workability of the inner lid is deteriorated because it affects the sliding operation of the sliding member in the lateral direction.

  Incidentally, in order to prevent the occurrence of this problem, it can be considered that the end of the slide member is positioned in the insertion hole of the lid ring when the inner lid is not attached. However, in this case, when the slide member is mounted on the lid ring, it is necessary to insert the slide member obliquely downward from the tip, so that there is a problem that the assembling workability is deteriorated.

  This invention is made in view of the conventional problem, and makes it a subject to provide the rice cooker which can prevent the looseness of the slide member which maintains the attachment state of an inner cover, without worsening assembly workability | operativity. It is.

In order to solve the above problems, a rice cooker according to the present invention includes a rice cooker body that detachably accommodates a rice cooker, a lid that is detachably attached to the rice cooker body, and a detachable attachment to the lid. An inner lid that seals the opening of the rice cooker, and the lid includes a lid ring that covers the opening of the rice cooker body, and a lid cover that covers the top of the lid ring. in rice cooker having a lid lock portion in attaching the inner lid detachably, the inner lid locking unit is provided in the front Kifuta ring, the slide member arranged portion having an open upper and, the slide member arranged a guide portion located in front of the portion is smaller total length than the longitudinal dimension of the front Symbol slide member arranged portion, biased to the retracted position by a slidable and biasing means relative to said slide member arranged portion Placed in front of it, And has a locking portion for detachably engaging the receiving portion of the serial in the lid, a slide member having a guided portion to be guided by the guide portion, the front Symbol slide member, after the slide member arranged portion From the first retracted position located at the end, the guided portion is moved forward against the urging force of the urging means to the second retracted position where the guided portion is guided by the guide portion, and stopped at the second retracted position. and a positioning member, the mounting of the front Symbol the lid, the slide member so as to move to the advanced position located further forward than the second retracted position, the slide member arranged portion is engaging the sliding member A recessed groove portion that slidably guides a sliding portion located on the rear side of the groove portion, and a through portion that is located in front of the recessed groove portion and penetrates the locking portion, and the slide member includes the locking portion The locking claw part of the guide part of the guided part Formed so as to be located rearward from the end, and the guide portion of the lid ring is in a state of mounting said inner lid has a configuration comprising a convex extending forward from the locking claw portion of the slide member .

In this rice cooker, since the slide member is formed with a size smaller than the slide member disposition portion of the lid ring, it can be easily disposed with respect to the slide member disposition member whose upper portion is opened. In this state, the slide member is moved forward against the urging force of the urging means, and the positioning member is disposed to move the slide member forward from the first retracted position of the rear end by a predetermined interval. 2 Can be positioned in the retracted position. And in this 2nd retreat position, the to-be-guided part of a slide member is guided to the guide part provided in the cover ring. Therefore, it is possible to prevent rattling of the tip of the slide member when the inner lid is not attached. As a result, the sliding operation of the slide member in the lateral direction can be stabilized, the inner lid mounting workability can be improved, and the inner lid mounting accuracy can be improved. Moreover, since attachment accuracy can be improved, when the cover body which attached the inner cover is obstruct | occluded with respect to the rice cooker main body, it can prevent that the lid packing which comprises an inner cover interferes with a rice cooker excessively. Therefore, the closing workability of the lid can also be improved. In addition, since the slide member is guided at both ends and engaged with the inner lid at an intermediate position thereof, it is possible to reliably improve the mounting workability and mounting accuracy of the inner lid.

In this rice cooker, it is preferable that the positioning member includes a reinforcing plate that prevents the lid ring from bending.
Specifically, the slide member is provided with a positioning projection that protrudes toward the reinforcing plate, and the reinforcing plate is provided with a restriction groove extending forward from the second retracted position. The backward movement from the second retracted position is prevented, and the forward movement is enabled.
Thus, if it is set as the structure which utilizes the existing reinforcement board as a positioning member, since parts do not increase, it can prevent that cost becomes high.

  In the rice cooker of this invention, since the slide member is formed with a size smaller than the slide member disposition portion, the workability of assembling the slide member with respect to the slide member disposition member can be improved. And in the state which has arrange | positioned the positioning member, since the slide member advances to the 2nd backward position which made the to-be-guided part guide the guide part, the rattling of the slide member in the state which has not attached the inner cover can be prevented. . As a result, the sliding operation of the sliding member in the lateral direction can be stabilized, and the mounting workability and mounting accuracy of the inner lid can be improved.

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

  FIG. 1 shows a pressure rice cooker according to an embodiment of the present invention. This rice cooker includes a rice cooker body 11 that detachably accommodates a rice cooking pot 10 that is electromagnetically heated, and a lid 18 that is detachably attached to the rice cooker body 11. The lid 60 is detachably attached.

  The rice cooker body 11 includes an exterior body including a cylindrical body 12, a bottom body 13 that closes a lower end opening of the body 12, and a shoulder body 14 that is attached to cover the upper end opening of the body 12. ing. The shoulder body 14 includes an opening 15 for detachably arranging the rice cooking pot 10 at an upper center portion thereof. A cylindrical inner cylinder and a saucer-shaped protective frame made of a non-conductive material are disposed below the opening 15. And the induction heating coil which is a heating means which heats the rice cooking pot 10 is arrange | positioned at the lower outer peripheral surface of this protective frame. Furthermore, the temperature sensor for rice cooking pots is arrange | positioned as a temperature detection means for detecting the temperature of the rice cooking pot 10 so that the protection frame may be penetrated. The inner body, the protective frame, the induction heating coil, and the temperature sensor for the rice cooker are the same as the conventional ones and are not shown in FIG. Further, the shoulder body 14 is provided with a hinge connecting portion 16 for pivotally attaching a lid body 18 to the back portion of the shoulder body 14. A separate hinge cover 17 is disposed at the hinge connecting portion 16.

  The lid 18 includes a lid ring 21 that covers the opening 15 of the rice cooker body 11 so as to be opened and closed, a reinforcing plate 36 disposed on the lid ring 21, and a lid cover 45 that covers the upper surface of the lid ring 21. I have. And the inner cover 60 which seals the upper end opening of the rice cooking pot 10 is attached to the cover ring 21 so that attachment or detachment is possible. In addition, a lid heater 20 as a heating means is disposed on a lid ring 21 inside the lid body 18 via a metal heater cover 19.

  As shown in FIGS. 2 and 3, the lid ring 21 is made of a resin having a shape corresponding to the shape of the depression on the upper side of the shoulder body 14. On the back portion of the lid ring 21, a shaft attachment portion 22 that is rotatably attached to the hinge connection portion 16 of the shoulder body 14 is provided. In addition, a lock member disposing portion 23 for rotatably mounting the lock member 50 is provided at the front portion of the lid ring 21 located on the opposite side to the hinge connecting portion 16. The lock member disposition portion 23 includes a through hole 24 that allows the lock claw 50a of the lock member 50 to pass through so as to be located on both sides of the front portion.

  In the present embodiment, the slide member disposing portion 25 constituting the inner lid locking portion is provided in the center of the front portion of the lid ring 21 located at the central back portion of the locking member disposing portion 23. The slide member disposing portion 25 includes a concave groove portion 26 that is recessed downward, and a through portion 27 that is located in front of the concave groove portion 26, and is open upward. On the bottom of the recessed groove portion 26, a spring receiving portion 28 protrudes upward at a predetermined position on the front side. Further, a front end of the slide member 52 and a through groove 29 having both front and rear ends opened are provided in front of the slide member disposing portion 25, and extend in the front and rear directions on both side walls of the insert groove 29. The guide part 30 which consists of a protruding item | line (rail) is protrudingly provided.

  Further, the lid ring 21 of the present embodiment is provided with a pressurizing part for disposing a pressurizing component for putting a pressure higher than the atmospheric pressure into the rice cooker 10 so as to be positioned above the opening of the rice cooker 10. A mechanism arrangement portion 31 is provided. The pressurizing mechanism disposing portion 31 is provided with a substantially hemispherical accommodating portion 32 for accommodating the relief valve 65 so as to bulge upward. Moreover, the sensor through-hole 33 for arrange | positioning so that a pressure sensor (not shown) may face the inside of the rice cooker 10 is provided. An exhaust opening 34 that constitutes a part of the exhaust path is provided between the pressure regulating component disposition portion and the shaft attachment portion 22. Reinforcing ribs 35 for preventing bending are provided on both sides of the lid ring 21 excluding the central portion from the lock member disposing portion 23 at the front portion to the shaft attaching portion 22 at the back portion.

  The reinforcing plate 36 is made of a metal that is disposed on the lid ring 21 from the axially attached portion 22 where the reinforcing rib 35 is not formed to the center and the center of the lock member disposing portion 23. The reinforcing plate 36 of the present embodiment is a positioning member that stops the slide member 52 at a second retracted position that is advanced forward by a predetermined interval from the first retracted position that is located at the rear end of the slide member disposing portion 25. Play a role. Specifically, the reinforcing plate 36 includes inverted L-shaped frame portions 37 and 37 located on both sides, and a plate portion 42 having a rectangular shape in which the frame portions 37 and 37 are continuous.

  The frame portions 37, 37 are provided with pin holes 39 through which the hinge pins 38 penetrate at the rear end located at the shaft mounting portion 22. Further, a shaft hole 40 through which a shaft (not shown) for pivotally mounting the lock member 50 is provided at the front end located at the lock member disposing portion 23. Further, a screw insertion hole 41 for screwing the lid ring 21 with a predetermined interval in the front-rear direction is provided.

  The plate portion 42 has a rectangular shape extending between the shaft mounting portion 22 and the lock member disposing portion 23, and a penetrating portion penetrating the solenoid 68 and the accommodating portion 32 disposed in the pressurizing mechanism disposing portion 31. And an exhaust part corresponding to the exhaust opening 34 is provided. In the present embodiment, a restriction groove 44 that restricts the slide member 52 to be slidable only within a range from the second retracted position to the advanced position is provided so as to be positioned above the slide member disposition portion 25. . The regulation groove 44 has a rear end edge located on the pin hole 39 side in a state where the reinforcing plate 36 is assembled to the lid ring 21, and is located in front of the rear end of the slide member arrangement portion 25. It is provided so as to extend forward from the position, which is the sliding direction of the slide member 52, and prevents backward movement from the second retracted position, thereby enabling forward movement.

  As shown in FIG. 1, the lid cover 45 is made of a resin that is fixed to the upper part of the lid ring 21 and forms a flow curve shape integral with the rice cooker body 11 when the lid 18 is closed. . The lid cover 45 is provided with a disposition recess 47 in which a steam port unit 46 is detachably disposed at a position corresponding to the exhaust opening 34. Further, an exposure hole 49 for exposing a rotatable operation member 48 for opening the lid 18 is provided in the front portion of the lid cover 45.

  The lock member 50 disposed in the lock member disposition portion 23 of the lid ring 21 includes a pair of lock claws 50a, 50a penetrating through the through holes 24, 24, and is urged in the lock direction by a spring (not shown), By locking in a lock hole (not shown) of the body 14, the lid 18 is maintained so as not to be openable with respect to the rice cooker body 11. The lock member 50 receives a downward operation of the operation member 48 and releases the lock by the lock member 50. On the other hand, when the solenoid 68 is operated, the link member 69 is connected to the solenoid 68. The operation receiving part 51 which makes the opening of the cover body 18 impossible by protruding into the lower part is provided.

  The slide member 52 disposed in the slide member disposition portion 25 of the lid ring 21 is configured such that the inner lid 60 is attached to and detached from the lid ring 21 by the slide member disposition portion 25 and the guide portion 30 of the lid ring 21 and the reinforcing plate 36. It constitutes an inner lid lock part for possible attachment. As shown in FIGS. 2 and 3, the slide member 52 is slidably disposed with respect to the slide member disposition portion 25 and is urged to a retracted position by a spring 56 as urging means. Are arranged.

  Specifically, the slide member 52 is a plate having a substantially rectangular shape in plan view, and is formed with a total length smaller than the dimension in the front-rear direction of the slide member disposition portion 25. It is comprised so that it can arrange | position in the substantially horizontal state from the upper direction which opened. In the present embodiment, the slide member 52 is set to a size that can be loosely fitted to the slide member arrangement portion 25 with a little play. The slide member 52 includes a frame-like sliding portion 53 that passes through the spring receiving portion 28. The sliding portion 53 is positioned in the recessed groove portion 26 of the lid ring 21 and is slidably guided while being sandwiched by the reinforcing plate 36. A positioning convex portion 54 that protrudes toward the reinforcing plate 36 and is inserted into the restriction groove 44 is provided at the rear end portion of the sliding portion 53. Further, a spring positioning portion 55 that protrudes inward is provided at the rear end portion of the sliding portion 53. A spring 56 is disposed between the spring positioning portion 55 and the spring receiving portion 28 of the lid ring 21 so that the entire slide member 52 is urged toward the retracted position.

  In addition, a locking portion 57 that penetrates through the through portion 27 to the lid ring 21 and detachably locks the receiving portion 64 of the inner lid 60 is provided in front of the sliding portion 53 so as to protrude downward. It has been. The locking portion 57 is provided with a locking claw portion 58 having an inclined surface that is inclined upward on the lower rear side portion. When the slide member 52 is moved forward from the rear end position of the slide member arrangement portion 25 to both sides of the locking portion 57, the guide portion 30 of the lid ring 21 is inserted and can be moved in the front-rear direction. A guided portion 59 made of a groove to be guided is provided. That is, in the present embodiment, the locking claw portion 58 of the locking portion 57 is located on the rear side from the front end of the guided portion 59, and in the attached state of the inner lid 60, the rear side of the guide portion 30 of the lid ring 21. It is comprised so that it may be located in the lower part. In other words, the guide portion 30 of the lid ring 21 is configured to extend further forward than the guided portion 59 of the slide member 52 with the inner lid 60 mounted.

  As shown in FIG. 1 and FIG. 3, the inner lid 60 includes a metal inner lid body 61 that serves as a heat sink, and a lid packing 62 that tightly seals the inner peripheral portion of the opening of the rice cooker 10. A resin frame 63 for mounting the lid packing 62 between the inner lid body 61 and the inner lid body 61 is provided. Among them, the resin frame 63 is provided with a positioning portion (not shown) corresponding to the positioning recess 21 a formed in the lower plate on the rear side corresponding to the hinge connection portion 16 of the lid 18. The slide member 52 is advanced against the urging force of the spring 56 on the front side corresponding to the locking portion 57 of the slide member 52 constituting the inner lid lock portion, and the locking portion of the slide member 52 is A receiving portion 64 that is engaged with 57 is provided. The receiving portion 64 is formed with a claw that engages with the locking claw portion 58 of the locking portion 57 of the slide member 52.

  And the relief valve 65 arrange | positioned in the accommodating part 32 of the cover ring 21 is integrally arrange | positioned by attaching to the cover body 18 in the inner cover 60 of this embodiment. The inner lid body 61 is provided with an exposure hole (not shown) at a position corresponding to the sensor through hole 33. The relief valve 65 includes a spherical member 67 that closes the vent hole 66 that constitutes the exhaust path. When the inside of the rice cooker 10 is increased from 1.20 to 1.25 atm, the relief valve 65 is separated from the vent hole 66 by that pressure, and the rice cooker The pressure in 10 is released to the atmosphere. Further, the spherical member 67 is switched between an open state in which the vent hole 66 cannot be closed and a sealed state in which the vent hole 66 can be closed by a solenoid 68 disposed on the lid ring 21. Further, the solenoid 68 is provided with a link member 69 that is interlocked with its forward / backward movement, and in the sealed state, the lid 18 cannot be opened by entering the lower part of the operation receiving portion 51 of the lock member 50, and the solenoid 68 is opened. In the state, the lid 18 can be opened by retreating from the lower portion of the operation receiving portion 51.

  When assembling the lid 18 of the rice cooker configured as described above, first, as shown in FIG. 4 (A), the slide member 52 is arranged from above with respect to the slide member arrangement portion 25 of the lid ring 21. . At this time, in this embodiment, since the total length of the slide member 52 is formed to be smaller than the total length of the slide member disposition portion 25, the slide member 52 can be easily placed in the slide member disposition portion 25 while being in a horizontal state. Can be arranged.

  Next, a spring 56 is disposed between the spring receiving portion 28 of the lid ring 21 and the spring positioning portion 55 to urge the slide member 52 rearward. Thereby, the slide member 52 is urged | biased in the state slid to the 1st retreat position which contact | abutted with the rear end with respect to the slide member arrangement | positioning part 25 like illustration.

  Next, as shown in FIGS. 4B, 5, and 6, the reinforcing plate 36 is disposed on the lid ring 21 from above. At this time, the slide member 52 located at the first retracted position is advanced forward against the urging force of the spring 56, and the positioning convex portion 54 is inserted into the restriction groove 44 of the reinforcing plate 36. If it does so, the sliding part 53 of the slide member 52 will be pinched | interposed into the recessed groove part 26 and the reinforcement board 36 of the cover ring 21, and will be in the state guided so that sliding was possible. Further, the slide member 52 stops at a second retracted position positioned forward of the first retracted position, with the positioning convex portion 54 coming into contact with the rear end edge of the restricting groove 44 by the biasing force of the spring 56. Further, by the advancement with the predetermined interval, the tip of the slide member 52 enters the insertion groove 29 of the lid ring 21, and the guided portion 59 of the slide member 52 moves to the guide portion 30 provided in the insertion groove 29. Engage possible.

  Next, as in the prior art, the lock member 50 is rotatably attached to the lid ring 21 and a pressurizing component such as a solenoid 68 for operating the relief valve 65 and a pressure sensor is provided. Thereafter, the lid cover 45 is attached to the lid ring 21 and the lid 18 is attached to the rice cooker body 11 so as to be rotatable.

  When the inner lid 60 is attached to the lid 18 assembled in this manner, the receiving portion 64 is provided after the positioning portion at the rear end of the inner lid 60 is locked so as to be hooked on the positioning recess 21 a of the lid 18. The front end side is rotated toward the locking portion 57 of the slide member 52. Then, when the receiving portion 64 comes into contact with the locking portion 57, the inner lid 60 is pressed toward the lid body 18 to advance the slide member 52 forward as shown in FIG. 64 is locked to the locking portion 57. At this time, in this embodiment, the slide member 52 is configured such that both front and rear ends are guided and engaged with the inner lid 60 at an intermediate position. Therefore, the front end portion of the slide member 52 does not move up and down (backlash). Further, the inner lid 60 is urged rearward by the slide member 52 slid to the advanced position, and can be accurately attached to a preset attachment position.

  When the inner lid 60 is not attached to the lid body 18, the slide member 52 is retracted to the second retracted position. Therefore, when the user tries to close the lid 18 with the inner lid 60 not attached, the locking portion 57 of the slide member 52 comes into contact with the flange portion provided at the upper end of the rice cooker 10. Thereby, the lid 18 cannot be rotated to the position where the lock claw 50 a of the lock member 50 is locked in the lock hole of the rice cooker body 11, and the lid 18 cannot be closed with respect to the rice cooker body 11.

  Thus, in this embodiment, the slide member 52 can be easily arranged without the need for troublesome assembly work on the lid ring 21. In addition, after the slide member 52 is disposed, the slide member 52 can be positioned at the second retracted position by disposing the reinforcing plate 36 constituting the positioning member. Further, at the second advanced position, the guided portion 59 of the slide member 52 is guided by the guide portion 30 provided on the lid ring 21, so that the front end of the slide member 52 does not rattle when the inner lid 60 is not attached. Can be prevented. As a result, the sliding operation of the slide member 52 in the lateral direction can be stabilized, the workability of attaching the inner lid 60 can be improved, and the attaching accuracy of the inner lid 60 can be improved. In addition, since the mounting accuracy can be improved, when the lid body 18 to which the inner lid 60 is attached is closed with respect to the rice cooker body 11, the lid packing 62 constituting the inner lid 60 excessively interferes with the opening of the rice cooker 10. Can be prevented. Therefore, the closing workability of the lid 18 can also be improved.

  In addition, in the present embodiment, since the existing reinforcing plate 36 is used as the positioning member, it is possible to prevent the number of parts from increasing and to prevent the cost from increasing. Further, the slide member 52 is formed so that the locking claw portion 58 of the locking portion 57 is positioned on the rear side from the front end of the guided portion 59, and is guided at the front and rear ends with the rear sliding portion 53. Therefore, the mounting workability and mounting accuracy of the inner lid 60 can be reliably improved.

  In addition, the rice cooker of this invention is not limited to the structure of the said embodiment, A various change is possible.

  For example, in the above embodiment, the locking portion 57 is provided so as to be positioned at the front end of the slide member 52, and the locking claw portion 58 is provided so as to be positioned on the front end side. As shown in FIG. 4, the latching claw portion 58 may be positioned on the rear side of the guide portion 30 with the inner lid 60 attached, provided to be positioned on the rear side with a predetermined interval from the front end. . If it does in this way, since it will be in the state guided by both the front and back sides of the latching claw part 58, the load added to slide member 52 can be distributed certainly, and slide operation can be stabilized.

  Moreover, in the said embodiment, although the positioning member was comprised by the existing reinforcement board 36, as shown in FIG. 8, the positioning member which consists of a separate spacer 70 at the rear-end part of the slide member arrangement | positioning part 25 is screwed. It is good also as a structure arrange | positioned by these. If it does in this way, as shown in the figure, even if it is a rice cooker which does not require the reinforcement board 36, ie, the non-pressure system rice cooker which does not raise the inside of the rice cooker 10 to a pressure higher than atmospheric pressure, it is applicable.

  Further, in this case, as shown in the figure, it is preferable to provide a support piece 71 that extends forward to the spacer 70 and supports the upper surface of the sliding portion 53 of the slide member 52. However, the support piece 71 is not necessarily provided as long as the allowance between the guide portion 30 and the guided portion 59 is sufficiently secured at the second retracted position of the slide member 52. In the rice cooker equipped with the reinforcing plate 36, a spacer piece corresponding to the spacer 70 may be provided on the reinforcing plate 36.

It is a fragmentary sectional view showing the rice cooker concerning the embodiment of the present invention. It is a disassembled perspective view which shows the characteristic of this invention. It is an exploded sectional view showing the feature of the present invention. (A) is the first retracted position where the slide member is disposed on the lid ring, (B) is the second retracted position where the reinforcing plate is further disposed, and (C) is the advanced position where the inner lid is further disposed. It is sectional drawing shown. It is an upper perspective view which shows the state of FIG. 4 (B). It is a downward perspective view which shows the state of FIG. 4 (B). (A), (B) is sectional drawing which shows the modification of this invention. It is an exploded sectional view showing other modifications of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Rice cooker 11 ... Rice cooker main body 15 ... Opening part 18 ... Lid body 21 ... Cover ring 25 ... Slide member arrangement | positioning part 28 ... Spring receiving part 29 ... Insertion groove 30 ... Guide part 36 ... Reinforcement plate (positioning member)
44 ... Restriction groove 45 ... Lid cover 52 ... Slide member 54 ... Positioning projection 56 ... Spring (biasing member)
57 ... Locking portion 59 ... Guided portion 60 ... Inner lid 64 ... Receiving portion

Claims (3)

A rice cooker body that detachably accommodates the rice cooker, a lid attached to the rice cooker body so as to be openable and closable, and an inner lid that is detachably attached to the lid and seals the opening of the rice cooker, The lid body has a lid ring that covers the opening of the rice cooker body and a lid cover that covers the upper portion of the lid ring, and an inner lid lock portion that attaches the inner lid to the lid ring is provided. In the rice cooker
Wherein the lid locking unit, before provided Kifuta ring, the slide member arranged portion which is open upward, and a guide portion located in front of the slide member arranged portion, before Symbol slide member arranged in the portion The overall length is smaller than the dimension in the front-rear direction. capable and has a locking portion for locking a slide member having a guided portion to be guided by the guide portion, the front Symbol slide member, a first retracted position located at the rear end of the slide member arranged portion from, the move forward against the biasing force of the biasing means to a second retracted position is guided by the guide portion to the guided portion, and a positioning member to stop at its second retracted position, before Symbol By attaching the inner lid, Slide member further than the second retracted position so as to move the advanced position located in front,
The slide member disposition portion is configured to slidably guide a sliding portion located on the rear side of the locking portion of the sliding member, and to be positioned at the front of the concave groove portion and penetrate the locking portion. A sliding portion, and the slide member is formed so that the locking claw portion of the locking portion is positioned on the rear side from the front end of the guided portion, and
The guide part of the lid ring is composed of a ridge extending forward from the locking claw part of the slide member with the inner lid attached.
A rice cooker characterized by that.   The rice cooker according to claim 1, wherein the positioning member includes a reinforcing plate that prevents the lid ring from bending.   The slide member is provided with a positioning projection that protrudes toward the reinforcing plate, and the reinforcing plate is provided with a restriction groove extending forward from the second retracted position, from the second retracted position of the slide member. The rice cooker according to claim 2, wherein the rearward movement of the rice cake is prevented and the forward movement is made possible.

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