JP4823792B2 - Household appliances - Google Patents

Description

  The present invention relates to household electric appliances such as rice cookers and electric pots.

  Prior art document information related to the home appliance of the present invention includes the following.

JP 2005-152117 A

  In this patent document, in a rice cooker having a lid that is rotatably attached to the rice cooker body and is always urged in the opening direction by a hinge spring, the operation member is opened when the operation member for opening is opened. There is described a rice cooker that can prevent the problem of re-locking by the urging force of the urging means that urges outward.

  Specifically, the lid body of the rice cooker includes an outer first lid member having an exposed portion that exposes the operation member, and a second lid that is disposed inside the first lid member and closes the opening. And a member. In addition, the operation member includes an operation unit disposed in the exposed portion and a shaft portion protruding from both sides of the operation unit. Further, as the urging means for urging the operation member outward, kick springs each provided with an urging portion extending in a tangential direction from both ends of the coil-shaped spring body are used.

  Then, in a state where the spring body of the kick spring is externally fitted to the shaft portion of the operation member, the shaft is rotatably attached to the bearing portion of the second lid member, and the first urging portion is protruded from the operation portion. The second urging portion is locked to a surface extending in the vertical direction with respect to the second lid member. Thereby, the reaction force in the operation direction (vertical direction) acting by the kick spring is reduced, and the relocking of the lock portion can be suppressed.

  However, in the lid body of this patent document, it is necessary to provide a fitting allowance of the kick spring and an attachment allowance to the bearing portion at the shaft portion of the operation member, so that the shaft portion becomes long. In the second lid member, it is necessary to provide a space for arranging the kick spring beside the operation member. As a result, there exists a problem that a cover body enlarges.

  The present invention has been made in view of the conventional problems, and an object of the present invention is to provide a household electric product that can reliably reduce the size of the lid.

In order to solve the above-described problem, a household electrical appliance according to a first aspect of the present invention includes a device main body having an opening on the upper side, and a lid that is rotatably attached to the device main body and closes the opening so as to be opened and closed. Provided with an operating member for opening on the lid and a lock part interlocked with the operation of the operating member, wherein the lid has an outer part having an exposed part for exposing the operating member. A first lid member and a second lid member disposed inside the first lid member and closing the opening, wherein the operation member projects from an operation portion disposed in the exposed portion and from both sides. And the operating member is protruded from the other end of the spring main body, a coil-shaped spring main body, a first urging portion that protrudes from one end of the spring main body and urges the operating member. the Kikkubane and a second biasing portion for biasing the second cover member Te Ri, biases outwardly, the second cover member, to accommodate the spring body of the Kikkubane, the recess for biasing the second urging portion, projecting from the said second cover member reinforcement It is the structure formed by the wall surface of a rib .
Further, the household electrical appliance of the second invention is provided with a recess for accommodating the spring body of the kick spring in the second lid member and biasing the second biasing portion, and in the first lid member, A rib is provided so as to be inserted into the recess and to be positioned by sandwiching the spring body of the kick spring with the recess.

In this household electric product, the spring body of the kick spring is disposed in the concave portion of the second lid member at a position excluding the shaft portion of the operation member, so that the protrusion margin of the shaft portion of the operation member can be reduced. As a result, the entire lid can be reduced in size.

In the household electric product according to the first aspect of the present invention, it is preferable that the first lid member is provided with a rib that is inserted into the recess and is positioned by sandwiching the spring body of the kick spring with the recess. . In this way, the assembly workability of the kick spring can be improved and the arrangement state can be stabilized .

Further, in these household electric products, it is preferable that a bearing portion that receives the shaft portion of the operation member is provided on the second lid member . If so this, it is possible to improve the assembling workability Kikkubane, the arrangement state can be stabilized.

In the household electrical product of the present invention, since the spring body of the kick spring is disposed in the concave portion of the second lid member, which is the position excluding the shaft portion of the operation member, the protrusion margin of the shaft portion of the operation member can be reduced, The overall size of the lid can be reduced .

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

  1 and 2 show a rice cooker 10 that is a household electrical appliance according to an embodiment of the present invention. The rice cooker 10 includes a rice cooker body 12 that detachably accommodates the rice cooker 11 and a lid 24 that closes the upper end opening of the rice cooker body 12.

  First, as shown in detail in FIG. 1, 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 the upper end opening of the body 13. An exterior body having a body 14 and a bottom body 15 disposed on the bottom of the body 13 is provided. On the back side of the shoulder body 14 is provided a hinge connection portion 16 for pivotally attaching a lid body 24 to be described later so as to be opened and closed. As in the conventional art, the hinge connection portion 16 is provided with a hinge spring 16a that urges a lid body 24 to be described later in the opening direction. Further, a lock claw portion 17 for locking the lid 24 so as not to be opened is provided on the front side of the shoulder body 14. The lock claw portion 17 has a hook shape protruding in a substantially inverted L shape.

  An inner cylinder 19 extending downward from the opening 18 of the shoulder body 14 that detachably accommodates the rice cooking pot 11 is disposed inside the exterior body, and a heater is disposed on the bottom of the inner body 19. A bowl-shaped heating plate (not shown) is arranged, and a temperature sensor (not shown) for detecting the temperature of the rice cooker 11 is arranged through the center of the heating plate.

  The rice cooker body 12 of the present embodiment is formed so that the shoulder 14 protrudes outward from the body 13 so as to form a flange shape, and an operation panel 20 is provided on the front side of the protruding portion. In the operation panel 20, separate operation buttons 21a to 21e are disposed in holes provided in the shoulder body 14, and a spacer set 22 is disposed on the back (inside) of these operation buttons 21a to 21e. A switch board 23 on which a switch is mounted is disposed on the back of the spacer set 22.

  The lid body 24 of the present invention is pivotally attached to the rice cooker main body 12 so as to be opened and closed by a hinge connection part 16 on the back side, and the opening 18 of the rice cooker main body 12, that is, the opening of the rice cooker 11 attached inside. It has a circular shape in a plan view in which the edge is closed in a sealed state, and includes a first lid member 25, a second lid member 39 disposed below the first lid member 25, and the first lid member 25. And a decorative cover 56 disposed on the upper surface.

  The first lid member 25 is made of resin, and as shown in FIGS. 4 and 5, has a disk shape curved upward, and has a plurality of concentric annular ribs 26 on its upper surface, and these annular ribs. Radial ribs 27 extending radially from the center of 26 are provided. The first lid member 25 has a dimension in the front-rear direction extending substantially over the entire length of the lid body 24, and a dimension in the left-right direction smaller than the entire width of the lid body 24. A fan-shaped exhaust portion 28 is provided on the back side of the first lid member 25 so as to cover the hinge connection portion 16. The exhaust portion 28 includes an exhaust port 29 formed of a plurality of slits, and a cylindrical portion 30 protruding in a cylindrical shape is provided on the inner surface side thereof. Further, a side wall portion 31 that extends vertically downward is provided on the side surface of the first lid member 25, and four elastic locking pieces 32 that protrude to curve downward are provided on the side wall portion 31. In addition, the front side outer periphery of the 1st cover member 25 comprises the wide locking piece 33 which hardly has elasticity. Further, a cylindrical screw-fastening portion 34 for tightening a screw projects from the lower surface of the first lid member 25.

  The first lid member 25 of the present embodiment is provided with an exposed portion 35 for exposing the operation member 62 for opening the lid 24 at the center on the front side. The exposed portion 35 has a shape having a semicircular hole portion 35a located on the back side and a rectangular hole portion 35b continuous with the semicircular hole portion 35a. A guide wall 36 that covers the back portion of the operation member 62 is provided at the edge of the semicircular hole portion 35a. In the center of the guide wall 36, an insertion groove 37 through which the first urging portion 69 of the kick spring 67 is inserted is provided. Further, on the outer surface side of the guide wall 36, the guide wall 36 is inserted into a recess 53 of a second lid member 39, which will be described later, and the spring body 68 of the kick spring 67 is sandwiched between the recess 53 and positioned. Ribs 38 are provided for positioning the urging portion 70 between the urging portion 70 and the support wall portion 54 of the recess 53.

  As shown in FIGS. 4 and 6, the second lid member 39 is fixed to the inner (lower) side of the first lid member 25 by screws and covers the opening 18 of the rice cooker body 12 in a plan view. It is made of resin. The second lid member 39 has an upwardly raised shape, and its outer peripheral edge 40 is formed in a circular shape slightly smaller than a decorative cover 56 described later, and is configured so that it cannot be seen from the outside. On the upper surface of the second lid member 39, reinforcing ribs 41 that abut against the lower surface of the first lid member 25 are provided so as to form a lattice shape in plan view. Further, on the back side of the second lid member 39, a connection part 42 for opening and closing the hinge connection part 16 is provided, and an exhaust cylinder part 43 connected to the exhaust part 28 is provided. Further, the second lid member 39 is provided with a screw insertion hole 44 corresponding to the screwing portion 34. Further, an inner lid attaching portion 45 is provided at the lower portion of the second lid member 39. As shown in FIG. 2, the inner lid 46 attached to the inner lid attaching portion 45 is provided with a seal member 48 that seals the opening edge of the rice cooking pot 11 on the outer peripheral portion of the metal inner lid main body 47. The exhaust member 49 that penetrates the exhaust cylinder portion 43 and enters the exhaust portion 28 is disposed.

  And in this embodiment, the bearing part 50 which receives the operation member 62 mentioned later on the raised surface of the front side of the 2nd cover member 39 so that rotation is possible is provided. The bearing portion 50 is positioned below the front end edge of the rectangular hole portion in the exposed portion 35. Further, a through hole 51 through which the lock portion 64 of the operation member 62 passes is provided inside the outer peripheral edge portion 40 that is the base portion of the raised surface. Further, on the back side of the bearing portion 50, there is provided an operation member disposing portion 52 formed of a rectangular space that is located below the exposed portion 35 and in which the reinforcing rib 41 is not provided. A recess 53 for accommodating the spring main body 68 of the kick spring 67 is formed by a wall surface of the reinforcing rib 41 protruding so as to surround the back portion of the operation member disposing portion 52.

  In the recess 53, the wall surface of the reinforcing rib 41 located on the operation member disposition portion 52 side constitutes a support wall portion 54 that biases the second biasing portion 70 of the kick spring 67. The support wall portion 54 causes the urging force of the second urging portion 70 to act in a direction substantially orthogonal to the opening direction of the lid body 24. Here, the opening direction of the lid body 24 means a tangential direction of the rotation locus when the lid body 24 is opened from the closed state, and is substantially vertically upward in this embodiment. In the present embodiment, the operation direction of the operation member 62 for opening the lid body 24 is substantially vertically downward opposite to the opening direction of the lid body 24. Therefore, the support wall portion 54 is constituted by a vertical wall extending substantially in parallel along the substantially vertical direction that is the operation direction of the operation portion 63 of the operation member 62, and the urging force by the second urging portion 70 is applied to the operation portion. It is configured such that an urging force acts in a direction substantially orthogonal to the opening direction by acting in a direction substantially orthogonal to the operation direction 63. An insertion groove 55 for allowing the first biasing portion 69 of the kick spring 67 to advance into the operation member disposing portion 52 is formed at the end of the support wall portion 54.

  The decorative cover 56 is made of a metal (stainless steel) having a mirror finish like the body 13, and as shown in FIGS. 3 and 4, the operation in the exhaust portion 28 and the exposed portion of the first lid member 25 is performed. The shape covers the entire surface of the lid 24 except for the member 62. Specifically, the decorative cover 56 has a circular shape in plan view that curves upward, and is provided with a fan-shaped notch 57 at a position corresponding to the exhaust portion 28 of the first lid member 25 and an exposed portion. An exposure hole 58 is provided at a position corresponding to 35. On the inner peripheral edge of the notch 57 and the exposure hole 58, a folded portion 59 protruding inward is provided. Further, an engaging claw 60 that protrudes further downward from the tip of the folded portion 59 is provided at the top that is the inner end closest to the center in the notch 57 and the inner end that is closest to the center in the exposure hole 58. Yes. And in this embodiment, the flange part 61 which protrudes in a horizontal direction toward radial inside is provided in the outer periphery except the said notch part 57. As shown in FIG.

  As shown in FIGS. 1 and 6, the operation member 62 protrudes downward from one side of the operation portion 63 and a circular operation portion 63 exposed to the outside from the exposed portion 35 and the exposure hole 58. And a shaft portion 65 that is rotatably held by the bearing portion 50. The operation part 63 is provided with a cylindrical outer peripheral part on the outer peripheral part of a disk protruding upward. The operation portion 63 is provided with a locking groove 66 for inserting and locking the first urging portion 69 of the kick spring 67 at the lower edge on the opposite side of the lock portion 64. The lock portion 64 has a claw that is detachably locked to the lock claw portion 17 in conjunction with the operation of the operation portion 63. The shaft portion 65 is a relatively short rod-like member provided so as to protrude from the boundary portion between the operation portion 63 and the lock portion 64 to both sides. Here, with respect to the operation member 62, the bearing portion 50 of the second lid member 39 is positioned so as to hold the base portion of the shaft portion 65.

  The kick spring 67 has a coiled spring main body 68, a first urging portion 69 protruding from one end of the spring main body 68, and a second urging portion 70 protruding from the other end of the spring main body 68. It is. The spring main body 68 is accommodated and disposed in the concave portion 53 of the second lid member 39 which is a position excluding the shaft portion 65 of the operation member 62. The first urging portion 69 is inserted and locked from below on the locking groove 66 of the operation portion 63 through the insertion grooves 37 and 55 of the second lid member 39, and the operation portion 63 is removed from the lower side. It is biased in the direction. The second urging portion 70 is disposed so as to extend upward along the support wall portion 54 of the concave portion 53 of the second lid member 39, and the support wall portion 54 is substantially orthogonal to the operation direction of the operation portion 63. It is energized in a substantially horizontal direction, which is a direction to perform. In addition, the second urging portion 70 assembles the first lid member 25 to the second lid member 39, so that the wall surface (support wall portion 54) of the recess 53 and the rib 38 of the first lid member 25 It is sandwiched between and positioned and held.

  When assembling the lid 24 having the above-described configuration, first, the decorative cover 56 is disposed on the first lid member 25, and the decorative cover 56 is pressed against the first lid member 25. As a result, the elastic locking piece 32 of the first lid member 25 abuts on the inner end edge of the flange portion 61 of the decorative cover 56, and the elastic locking piece 32 is elastically bent inward, so that the elastic locking piece 32 When the tip exceeds the inner edge of the flange portion 61, the elastic locking piece 32 is locked to the upper surface of the flange portion 61. When the first lid member 25 and the decorative cover 56 are assembled, the front locking piece 33 hardly bends. Therefore, after the locking piece 33 is locked to the upper surface of the flange portion 61, the rear side is It is preferable to lock by pressing. Thereafter, the engagement claw 60 is bent to fix the decorative cover 56 and the first lid member 25 so that they cannot be detached.

  Further, the spring body 68 of the kick spring 67 is disposed in the recess 53 of the second lid member 39, the second urging portion 70 is disposed upward along the support wall portion 54, and the first urging portion 69 is inserted. It is positioned so as to extend toward the front side through the groove 55. Thereafter, after the lock portion 64 of the operation member 62 is passed through the second lid member 39, the shaft portion 65 is fitted into the bearing portion 50 and is rotatably attached to the shaft. At this time, the first biasing portion 69 of the kick spring 67 is positioned on the lower edge of the operation portion 63 of the operation member 62, and the first biasing portion 69 is locked in the locking groove 66. As a result, the operation member 62 and the kick spring 67 are reliably maintained in the assembled state without being detached unless a strong external force is applied so that the shaft part 65 is detached from the bearing part 50.

  Next, the operation portion 63 of the operation member 62 passes through the exposed portion 35 and the exposure hole 58 and is exposed from the decorative cover 56, and the rib 38 of the first lid member 25 is in the recess 53 of the second lid member 39. The first lid member 25 and the second lid member 39 are arranged so as to enter the position, and the screw insertion hole 44 of the second lid member 39 is passed through the screw fastening portion 34 of the first lid member 25. Tighten the screws to secure them.

  Thus, in the rice cooker 10 of this invention, since the spring main body 68 of the kick spring 67 is arrange | positioned in the position except the axial part 65 of the operation member 62, the protrusion margin of the axial part 65 can be reduced. As a result, the entire lid 24 can be reduced in size. Further, the support wall portion 54 is provided so as to extend along the operation direction of the operation member 62 so that the urging force by the second urging portion 70 acts in a direction substantially orthogonal to the opening direction of the lid 24. The operation member 62 is configured to act in a direction substantially orthogonal to the operation direction of the operation member 62. Therefore, when the operation member 62 is opened, the reaction force (biasing force) acting in the opposite direction to the opening direction of the lid 24 can be reduced. As a result, it is possible to prevent the inconvenience that the lock portion 64 cannot be re-locked and the lid 24 cannot be opened despite the operation member 62 being opened.

  Further, the second lid member 39 is provided with a recess 53 for accommodating the spring main body 68 of the kick spring 67. Moreover, the first lid member 25 is provided with a rib 38 that enters the recess 53 and positions the spring main body 68 between the rib 53 and the first lid member 25. In addition, a bearing portion 50 that receives the shaft portion 65 of the operation member 62 is provided in the second lid member 39. Therefore, the assembly workability of the lid 24 including the operation member 62 and the kick spring 67 can be improved, and the assembled state can be stabilized.

  In addition, the household electrical appliance 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 kick spring 67 is disposed on the second lid member 39 and assembled to the first lid member 25. However, as shown in FIG. A mounting portion 71 protruding in an L shape in plan view may be provided, and the spring body 68 of the kick spring 67 may be inserted into the mounting portion 71 and assembled to the second lid member 39. In this case, in consideration of assembly workability, it is preferable to provide the first lid member 25 with a shaft receiving portion that receives the operation member 62. However, the assembly workability is relatively good as long as the kick spring 67 is disposed on the second lid member 39 and the operation member 62 is disposed on the first lid member 25 as in the above embodiment. Of course, it is also possible to provide the mounting portion 71 shown in FIG. 7 in the operation portion 63 of the operation member 62 and urge the second urging portion 70 to the first lid member 25 or the second lid member 39. That is, if the spring main body 68 of the kick spring 67 is disposed at a position excluding the shaft portion 65 of the operation member 62, the same operation and effect as described above can be obtained.

  Further, the support wall portion 54 urged by the second urging portion 70 of the kick spring 67 is configured by the wall surface of the concave portion 53, but the rib 38 of the first lid member 25 is positioned on the front side of the concave portion 53, and this rib The support wall 54 may be configured by 38.

  Furthermore, in the above-described embodiment, the second urging portion 70 of the kick spring 67 is configured so that the urging force acts in a direction substantially orthogonal to the opening direction of the lid body 24, but as shown in FIG. The lid 24 may be configured to act in the direction along the opening direction. Needless to say, the first biasing portion 69 of the kick spring 67 may be configured to bias the locking piece 66 ′ provided so as to protrude from the operation member 62 outward, and can bias the operation member 62 outward. If it is a structure, various changes are possible.

  Moreover, in the said embodiment, although the attachment structure of the operation member 62 and the kick spring 67 which are the characteristics of this invention was applied to the rice cooker 10, it is applicable also to an electric pot. In other words, the present invention is not limited to the rice cooker 10, and includes a device main body having the opening 18 on the upper side, and a lid 24 that is rotatably attached to the device main body and closes the opening 18 so that the opening 18 can be opened and closed. The lid 24 can be applied to any household electrical appliance having an opening operating member 62 and a lock portion 64 interlocked with the operation of the operating member 62. Obtainable.

It is principal part sectional drawing which shows the rice cooker which is a household electrical appliance which concerns on embodiment of this invention. It is a perspective view which shows the rice cooker of FIG. It is a top view which shows the rice cooker of FIG. It is a disassembled perspective view of a cover body. It is the perspective view which looked at the 1st lid member from the lower part. It is the top view which looked at the 2nd lid member from right above. It is principal part sectional drawing which shows the modification of a rice cooker. It is principal part sectional drawing which shows the other modification of a rice cooker.

Explanation of symbols

10 ... Rice cooker (home appliances)
DESCRIPTION OF SYMBOLS 12 ... Rice cooker main body 16 ... Hinge connection part 16a ... Hinge spring 18 ... Opening part 24 ... Lid body 25 ... 1st cover member 35 ... Exposed part 38 ... Rib 39 ... 2nd cover member 50 ... Bearing part 51 ... Through-hole 53 ... concave portion 54 ... support wall portion 55 ... insertion groove 56 ... decorative cover 62 ... operation member 63 ... operation portion 64 ... lock portion 65 ... shaft portion 67 ... kick spring 68 ... spring main body 69 ... first biasing portion 70 ... second attachment Group

Claims (4)

An apparatus main body having an opening on the upper side, and a lid that is rotatably attached to the apparatus main body and closes the opening so as to be openable and closable, and an operating member for opening the lid, In household electrical appliances that have a locking part that is linked to the operation,
The lid includes an outer first lid member having an exposed portion that exposes the operation member, and a second lid member that is disposed inside the first lid member and closes the opening.
The operation member has an operation part arranged in the exposed part, and a shaft part protruding from both sides,
The operating member includes a coiled spring body, a first biasing portion that projects from one end of the spring body and biases the operating member, and a second lid member that projects from the other end of the spring body. It is biased outward by a kick spring having a second biasing portion that biases ,
The second lid member accommodates a spring main body of the kick spring, and a recess for biasing the second biasing portion is formed by a wall surface of a reinforcing rib projecting from the second lid member. Household appliances. 2. The household electric appliance according to claim 1, wherein the first lid member is provided with a rib that is inserted into the recess and is positioned so as to sandwich the kick spring spring body between the first lid member and the recess. Product. An apparatus main body having an opening on the upper side, and a lid that is rotatably attached to the apparatus main body and closes the opening so as to be openable and closable, and an operating member for opening the lid, In household electrical appliances that have a locking part that is linked to the operation,
The lid includes an outer first lid member having an exposed portion that exposes the operation member, and a second lid member that is disposed inside the first lid member and closes the opening.
The operation member has an operation part arranged in the exposed part, and a shaft part protruding from both sides,
The operating member includes a coiled spring body, a first biasing portion that projects from one end of the spring body and biases the operating member, and a second lid member that projects from the other end of the spring body. It is biased outward by a kick spring having a second biasing portion that biases ,
The second lid member accommodates a spring main body of the kick spring and provides a recess for biasing the second biasing portion,
An electrical appliance for home use, wherein the first lid member is provided with a rib that is inserted into the recess and is positioned by sandwiching the spring body of the kick spring between the first lid member and the recess . The household electrical appliance according to any one of claims 1 to 3 , wherein a bearing portion that receives the shaft portion of the operation member is provided in the second lid member.

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