JP6105435B2 - Household appliances - Google Patents

Description

  The present invention relates to an electric appliance for home use such as a rice cooker.

  The rice cooker described in Patent Document 1 includes a cord reel around which a power cord is wound. The bottom of the bottom member is provided with a recess only for accommodating the power cord plug.

  However, providing the recess only for accommodating the plug of the power cord is contrary to space saving and leads to an increase in size of the product.

JP 2004-89225 A

  This invention makes it a subject to accommodate the plug of a power cord, without impairing space-saving property in household electrical appliances, such as a rice cooker.

The household electrical appliance of the present invention is
The body,
A power cord extending from the cord outlet of the main body to the outside;
A vent formed in the main body, for taking in gas from the outside to the inside, or for discharging gas from the inside to the outside;
It consists of a step portion formed in the portion of the main body where the vent is provided, and has a vertical dimension larger than the vertical dimension of the plug constituting the tip of the power cord and a length dimension longer than the length of the plug. A fixing part for fixing the plug;
Equipped with.

  In the present invention, the plug is fixed using the step portion formed in the portion where the vent is provided, so that the two functions of ventilation and fixing of the plug are also used for the vent, thereby saving space. The power cord plug can be fixed without damage.

  The fixing portion is formed by recessing a portion of the main body where the vent is provided, has a lateral dimension larger than the lateral dimension of the plug, and is preferably an accommodating recess that accommodates the plug. .

  In the present invention, since the plug is accommodated in the accommodating recess formed to increase the ventilation area in the portion where the vent is provided, the vent serves both of the functions of venting and plug accommodation, thereby saving space. The plug can be accommodated without damage. Since the plug can be accommodated in the accommodating recess, the plug protrudes outward from the main body and can be prevented from being damaged by coming into contact with a person or other electric product. Further, by fixing the plug in the housing recess and closing a part of the vent, it is possible to prevent dust and the like from entering the main body from the vent.

  It is preferable that the distance between the cord outlet side end surface of the housing recess and the cord outlet is shorter than the length of the plug.

  With the above-described configuration, it is possible to improve the efficiency of the operation of disposing the accommodating recess and the cord outlet close to each other and accommodating the power cord drawn from the cord outlet in the accommodating recess.

  It is preferable that a communication groove is provided between the end surface on the cord outlet side of the housing recess and the cord outlet, and communicates the housing recess with the cord outlet.

  By storing the plug in the housing recess and inserting the power cord extending outward from the cord outlet into the communication groove, the power cord can be prevented from protruding from the main body, and the power cord can be more securely accommodated in the main body.

Protruding from the surface of the housing recess, provided with a fixing rib for fixing the plug,
The fixing rib preferably extends in the housing recess in a direction toward the plug.

  With the above configuration, the configuration of the fixing rib can be simplified and the manufacturing cost can be reduced.

  It is preferable that the plug housed in the housing recess is positioned in parallel with the longitudinal direction of the vent hole.

  With the configuration described above, the plug can be accommodated in the accommodating recess by effectively utilizing the area of the vent.

The vent is provided in the bottom wall of the main body,
The receiving recess is
A vertical wall provided on one side of the vent and extending in the vertical direction, a ceiling wall extending from the end of the vertical wall toward the other side in the horizontal direction, and obliquely extending from the other side end of the ceiling wall to the other side It is preferable that it consists of an inclined wall extended in this direction.

  With the above configuration, when the plug is inserted into the receiving recess from the outside toward the top wall, the opening area of the initial receiving recess that stores the plug in the receiving recess is large, and the plug is easily received in the receiving recess.

  According to the present invention, the power cord plug can be accommodated without impairing the space saving by combining the two roles of ventilation and plug accommodation with the vent.

The perspective view which shows the state which the cover body open | released in the rice cooker which concerns on embodiment of this invention. The disassembled perspective view of the rice cooker main body of FIG. The side view of a rice cooker main body. The bottom view of the rice cooker body. (A) is an expansion perspective view which shows a code | cord | chord exit, (B) is an expansion perspective view of a power cord. The bottom view of the state which pulled out the power cord from the cord exit. The bottom view of the state which accommodated and fixed the plug in the accommodation recessed part. (A) is the sectional view on the AA line of FIG. 6, (B) is the sectional view on the BB line of FIG. 6, (C) is the sectional view on the CC line of FIG. The lower perspective view of the board | substrate holder of FIG. 2, and a code reel accommodating part. The bottom view which shows the state which has arrange | positioned the code reel accommodating part and the circuit board in the board | substrate holder. (A) is a front view of a circuit board, (B) is a side view of a circuit board. Sectional drawing which shows the modification of the fixing | fixed part of FIG. 8 (B). The bottom view which shows the modification of the rib for fixing shown in FIG. Sectional drawing which shows the further modification of the rib for fixing.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings by using a rice cooker as an example.

  As shown in FIG. 1, the rice cooker 10 rotates around a rice cooker body (main body) 11 and a hinge shaft 23 described later, and is attached to the rice cooker body 11 so as to be openable and closable. And a lid 12 for closing the lid. Electric power is supplied to the rice cooker body 11 from a commercial power source via a power cord 36 (see FIG. 2).

  Referring also to FIG. 2, the rice cooker body 11 closes the inner pot 15, the body part 16 that houses the inner pot 15, the shoulder body 20 provided on the upper part of the body part 16, and the bottom of the body part 16. A bottom body 27 and a substrate holder 62 disposed between the shoulder body 20 and the bottom body 27 are provided.

  The inner pot 15 is a known pot in which a cooked item such as rice and water is set. An inner pot heater 17 for heating the inner pot 15 is disposed on the outer periphery of the inner pot 15. The trunk | drum 16 is a cylinder shape which the upper end, the lower end, and a part of side surface opened.

  The shoulder body 20 has an annular shape, and holds the flange portion at the upper end of the inner pot 15 at the opening edge thereof. On the back side of the shoulder body 20, a hinge connection portion 22 for connecting the lid body 12 so as to be openable and closable is provided. The hinge connection portion 22 extends upward. On both sides of the hinge connecting portion 22, hinge holes 24 that support the hinge shaft 23 are formed. Hereinafter, the hinge connection part 22 side (arrow D direction in FIG. 2) of the rice cooker 10 is referred to as the back side, and the opposite side to the hinge connection part 22 is referred to as the near side.

  The bottom body 27 is connected to the lower end of the trunk portion 16 and closes the back side surface of the trunk portion 16. A substrate holder accommodating portion 28 for accommodating the substrate holder 62 is formed on the back side of the trunk portion 16 and the bottom body 27.

  As shown in FIG. 3, the bottom wall 30 of the bottom body 27 is provided with leg portions 31 and auxiliary legs 32 that protrude downward. The leg portion 31 is installed such that the bottom body 27 is positioned with a predetermined gap with respect to an installation surface such as a sink.

  The auxiliary leg 32 is provided on the opposite side of the inner pot 15 with respect to the hinge shaft 23, that is, on the back end of the bottom wall 30. The auxiliary leg 32 has a cylindrical shape, and a rubber material for preventing the rice cooker body 11 from slipping on the installation surface is embedded therein. The location of the auxiliary legs 32 is not particularly limited as long as the auxiliary legs 32 are disposed not only at the back end portion of the bottom body 27 but also at the back side (arrow D side) from the center line L1 of the hinge shaft 23. With this configuration, it is possible to prevent the rice cooker 10 from bouncing or overturning due to an impact when the lid 12 is opened.

  As shown in FIG. 4, the bottom wall 30 of the bottom body 27 includes a cord outlet 34 located on the back side, an air inlet 41 that is a vent located in the center on the back side, and an exhaust located on the near side. The opening 54, a plug disposition portion 56 positioned between the cord outlet 34 and the intake port 41, and a communication groove 58 adjacent to the plug disposition portion 56 are provided.

  As shown in FIG. 5A, the cord outlet 34 is a rectangular opening that is provided in the lower part of the bottom side of the bottom body 27 and communicates the inside and the outside of the bottom body 27. From the cord outlet 34, a plug 37 of a power cord 36 wound around a cord reel 74 described later extends outward. As shown in FIG. 6, the cord outlet 34 is located in the vicinity of a first end face 45 of the accommodating recess 44 described later. A distance L11 between the center point P1 of the cord outlet 34 and the first end face 45 is shorter than the length L4 of the plug 37. Thus, by arranging the cord outlet 34 and the housing recess 44 close to each other, the efficiency of the work of housing the power cord 36 drawn from the cord outlet 34 in the housing recess 44 can be improved.

  As shown in FIG. 5B, the power cord 36 is provided with a plug 37 that constitutes a tip portion and is connected to a commercial power source. The vertical dimension L2 of the plug 37 is larger than the horizontal dimension L3.

  The air inlet 41 takes in air from the outside of the rice cooker body 1 by rotating a fan (not shown) described later in order to cool the components inside the rice cooker body 1. The air that has cooled the components is discharged to the outside from the exhaust port 54.

  The air inlet 41 has a lattice shape including a plurality of rows of slits 42 and 42 extending in the longitudinal direction of the bottom body 27. As shown in FIGS. 6 and 7, the air inlet 41 has an accommodation recess (fixed portion) 44 formed by recessing a portion of the rice cooker body 1 where the air inlet 41 is provided, and the length of the accommodation recess 44. And a fixing rib 52 formed at the center in the direction.

  The housing recess 44 is provided to increase the intake area and increase the intake efficiency. The housing recess 44 is formed between the first end surface 45 on the cord outlet 34 side and the second end surface 46 facing the first end surface 45. As shown in FIG. 8 (B), the housing recess 44 is provided on the back side of the intake port 41 and extends in the vertical direction, and a ceiling extending from the end of the vertical wall 47 toward the near side in the horizontal direction. The wall 48 and an inclined wall 49 extending obliquely from the near end of the top wall 48 toward the near side. By configuring the housing recess 44 with the inclined wall 49, the opening area of the housing recess 44 becomes smaller from the outside of the housing recess 44 toward the top wall 48 in FIG. 8B. The vertical wall 47 and the top wall 48 form a stepped portion.

  As shown in FIG. 6, the longitudinal dimension of the housing recess 44, that is, the distance L <b> 5 between the first end surface 45 and the second end surface 46 is not less than the length L <b> 4 of the plug 37. The lateral dimension L6 orthogonal to the longitudinal direction of the housing recess 44 is equal to or greater than the lateral dimension L3 of the plug 37. The horizontal dimension L6 is a horizontal distance between the vertical wall 47 and the front end of the inclined wall 49 (see FIG. 8B). The vertical dimension L7 of the housing recess 44 is equal to or greater than the vertical dimension L2 of the plug 37. The vertical dimension L7 is the height of the inclined wall 49. Since each dimension of the receiving recess 44 is equal to or larger than each dimension of the plug 37, the plug 37 can be stored in the receiving recess 44. Moreover, by providing the accommodation recess 44 in the intake port 41, the intake area can be increased, the amount of gas taken into the interior of the rice cooker body 11 can be increased, and the cooling efficiency inside the rice cooker body 11 can be increased.

  The fixing rib 52 has a plate shape protruding from the surface of the inclined wall 49 toward the vertical wall 47 and extending along the slit 42. Thereby, the structure of the fixing rib 52 can be simplified and the manufacturing cost can be reduced. Further, since the fixing rib 52 extends along the slit 42 of the intake port 41, the fixing rib 52 can be provided without closing the slit 42 and reducing the opening area of the intake port 41. The rear end surface 53 (see FIG. 8A) of the fixing rib 52 is parallel to the vertical wall 47, and the fixing rib 52 fixes the plug 37 between the vertical wall 47.

  The plug disposing portion 56 is provided between the cord outlet 34 and the communication groove 58. The plug disposing portion 56 is located on the back side of the cord outlet 34 and is recessed inward to communicate with the outside. A distance L14 (see FIG. 7) between a central point P1 of the cord outlet 34 and a point P2 on the outer edge of the plug disposing portion 56 is shorter than the length L4 of the plug 37. Therefore, when the plug 37 is disposed in the plug disposing portion 56, the tip end portion of the plug 37 protrudes outward from the rice cooker body 11 as shown in FIG.

  The communication groove 58 is a groove that is recessed inward of the rice cooker body 11, and is provided between the cord outlet 34 and the first end face 45 of the housing recess 44. The communication groove 58 communicates the cord outlet 34 and the housing recess 44 linearly. The width L11 of the communication groove 58 is not less than the thickness L13 of the power cord 36. Accordingly, the power cord 36 can be accommodated in the communication groove 58.

  Hereinafter, a procedure for housing the plug 37 in the housing recess 44 will be described. After the rice cooking or heat insulation or the use of the rice cooker 10 is finished and the plug 37 is removed from the commercial power source, the power cord 36 is wound around the cord reel 74. Then, as shown in FIG. 6, the power cord 36 is extended from the cord outlet 34 by a predetermined amount. After that, as shown in FIG. 8B, the plug 37 is moved from the outside of the bottom body 27 toward the top wall 48 to be received in the receiving recess 44, and the side surface of the plug 37 is fixed to the fixing rib 52 and the vertical wall. 47, and the plug 37 is fixed to the accommodating recess 44 (see FIGS. 7 and 8A). Further, the power cord 36 is accommodated in the communication groove 58.

  As described above, since the plug 37 is accommodated in the accommodating recess 44 formed in the intake port 41 in order to increase the intake area, the intake port 41 can be used for the dual role of accommodating the intake air and the plug 37 to save space. The plug 37 can be accommodated without impairing the operation. Since the plug 37 can be accommodated in the accommodating recess 44, the plug 37 protrudes outward from the rice cooker main body 11, and the plug 37 can be prevented from being damaged by coming into contact with a person or another electric product. Further, by fixing the plug 37 in the housing recess 44 and closing a part of the air inlet 41, it is possible to prevent dust and the like from entering the rice cooker body 11 from the air inlet 41. By inserting the power cord 36 into the communication groove 58, the power cord 36 can be prevented from protruding from the rice cooker body 11, and the power cord 36 can be more reliably accommodated in the rice cooker body 11. Since the plug 37 housed in the housing recess 44 is positioned parallel to the longitudinal direction of the air inlet 41, the plug 37 can be housed in the housing recess 44 by effectively utilizing the area of the air inlet 41. By configuring the housing recess 44 with the inclined wall 49, the opening area of the initial housing recess 44 that houses the plug 37 in the housing recess 44 is increased, and the plug 37 can be easily housed in the housing recess 44. On the other hand, when it is difficult to lift the rice cooker body 11 and accommodate the plug 37 in the accommodating recess 44, the plug 37 may be temporarily disposed in the plug disposing portion 56.

  As shown in FIGS. 2 and 9, the substrate holder 62 is provided at the center 63 located at the center and both ends of the base 63, and obliquely outward in the lateral direction toward the front side (opposite to the arrow D). And a pair of side surface portions 66 and 71 extending in the direction. With this configuration, when the base 63 of the substrate holder 62 is disposed along the inner side surface of the rice cooker body 11, the side surfaces 66 and 71 are prevented from interfering with other members inside the rice cooker body 11. On the other hand, it is possible to secure an area in which the later-described code reel housing portion 67 and the circuit board 76 are provided in the board holder 62. A plurality of screw holes 65 are formed in the substrate holder 62 (see FIG. 10). The substrate holder 62 is screwed to the back surface of the shoulder body 20 by a screw (not shown) inserted through the screw hole 65.

  The base portion 63 connects the side surface portions 66 and 71, and a hollow fan installation portion 64 protruding toward the back side is provided below the central portion in the longitudinal direction. The fan installation unit 64 is provided with a fan (not shown) that cools the components in the rice cooker body 11. Thereby, in addition to the code reel accommodating part 67 and the circuit board 76 which will be described later, the fan can be disposed on the substrate holder 62, and the internal space of the rice cooker body 11 can be further provided with a margin.

  A cord reel accommodating portion 67 that accommodates the cord reel 74 is formed on one side surface portion (first side surface portion) 66. Thus, by providing the cord reel accommodating part 67 integrally with the board | substrate holder 62, while reducing the number of parts which comprise the rice cooker 10, the allowance can be given to the internal space of the rice cooker main body 11. FIG. Further, the code reel housing portion 67 can be provided in the substrate holder 62 by effectively utilizing the shape of the substrate holder 62.

  The cord reel 74 has a substantially circular shape in which a plate-like rib 75 is formed on the outer periphery around which the power cord 36 is wound. The cord reel housing portion 67 has a substantially semicircular shape when viewed from the front. Further, the lower end of the cord reel accommodating portion 67 is opened, and a hollow portion 69 for inserting the cord reel 74 is formed therein. A holding groove 70 extending upward from the opening edge is formed at the lower end of the outer peripheral portion on the back side (arrow D side) of the cord reel housing portion 67. When the cord reel 74 is inserted into the hollow portion 69, the rib 75 of the cord reel 74 is inserted into the holding groove 70 and sandwiched, and the cord reel 74 is held in the cord reel accommodating portion 67.

  The other side surface portion (second side surface portion) 71 has a substantially rectangular plate shape when viewed from the front, and a circuit board 76a to be described later is disposed on the outer side surface 72 (see FIG. 10). Further, the circuit board 76 b is disposed so as to be positioned between the outer end portion 68 of the first side surface portion 66 and the outer end portion 73 of the second side surface portion 71. With this configuration, the total volume (dimensions) of the substrate holder 62 and the circuit board 76 is not increased, and the internal space of the rice cooker body 11 can be given a margin. Further, a predetermined gap can be secured between the circuit board 76b and the base 63, and further, the circuit board 76b is cooled by the fan, so that the heat dissipation of the circuit board 76b can be improved.

  The circuit board 76 may be a power supply circuit board (not shown) that converts power from a commercial power source into a DC voltage to supply power to the components in the rice cooker body 11, or a control board that controls the components. 77 may be used. The component is, for example, an inner pot heater 17.

  As shown in FIGS. 11A and 11B, the control board 77 b is screwed to the board holder 62 through a screw (not shown) inserted into the screw hole 78 together with the heat sink 79. The fixing of the control board 77 to the board holder 62 is not limited to screwing, but a holding claw (not shown) is provided on the board holder 62, and both sides of the control board 77 are sandwiched and held by the holding claw. The fixing method is not limited.

The present invention is not limited to the above embodiment, and various modifications can be made.
Although the housing structure of the power cord 36 is applied to the rice cooker 10, it is not limited to this, and may be applied to other household electric appliances. Regarding the air inlet 41, in the said embodiment, although provided in the bottom wall 30 of the rice cooker 10, even if it provides in a side wall, the same effect can be acquired.

  The accommodation recess 44 is provided in the intake port 41 in the above embodiment, but is not limited thereto, and may be provided in the exhaust port 54. Moreover, although the cross section of the accommodation recessed part 44 is a substantially trapezoid shape, it is not limited to this, A rectangular or square cross-sectional shape may be sufficient. In the embodiment, the housing recess 44 is constituted by the vertical wall 47, the top wall 48, and the inclined wall 49, but is not limited thereto. For example, as shown in FIG. 12, the inclined wall 49 may be eliminated and a configuration including only the vertical wall 47 and the top wall 48 may be employed. The vertical wall 47 and the top wall 48 form a step portion, and the fixing portion 50 may be provided to fix the plug 37 using the step portion. In FIG. 12, the same elements as those in FIG. For fixing the plug 37 to the fixing portion 50, various conventionally known methods can be adopted.

  The fixing rib 52 is formed in a plate shape that protrudes from the surface of the inclined wall 49 toward the vertical wall 47 and extends along the slit 42 in the above embodiment, but is not limited thereto. For example, as shown in FIG. 13, a thick fixing rib 81 protruding from the surface of the inclined wall 49 toward the vertical wall 47 and having a predetermined width dimension L8 may be employed. Thereby, the holding force of the plug 37 by the fixing rib 81 can be improved. The dimension of the width L8 is not particularly limited as long as it includes a plurality of frit 42 arranged side by side.

  Further, as shown in FIG. 14, a protrusion 83 extending toward the back side (arrow D direction) may be provided at the upper end portion of the fixing rib 82 protruding from the surface of the inclined wall 49 toward the vertical wall 47. . As a result, the plug 37 can be held between the protrusion 83 and the top wall 48 after the plug 37 is received in the receiving recess 44 from the opening between the tip of the protrusion 83 and the vertical wall 47.

11 Rice cooker body (main body)
34 Cord outlet 36 Power cord 37 Plug 41 Air inlet (vent)
42 Slit 44 Housing recess (fixed part)
45 First end face (end face on the cord outlet side)
47 Vertical wall 48 Top wall 49 Inclined wall 50 Fixing part 52 Fixing rib 56 Plug installation part 58 Communication groove

Claims (4)

The body,
A power cord extending from the cord outlet of the main body to the outside;
A vent formed in the main body and taking in gas from the outside to the inside, or discharging gas from the inside to the outside;
It consists of a step portion formed in the portion of the main body where the vent is provided, and has a vertical dimension larger than the vertical dimension of the plug constituting the tip of the power cord and a length dimension longer than the length of the plug. A fixing part for fixing the plug;
Equipped with a,
The fixing portion is formed by denting a portion provided with the vent of the main body, has a lateral dimension larger than the lateral dimension of the plug, and is an accommodating recess that accommodates the plug.
The vent is provided in the bottom wall of the main body,
The receiving recess is
A vertical wall provided on one side of the vent and extending in the vertical direction, a ceiling wall extending from the end of the vertical wall toward the other side in the horizontal direction, and obliquely extending from the other side end of the ceiling wall to the other side Household electrical appliances consisting of slanted walls extending into the wall . The household electrical appliance according to claim 1, wherein a distance between an end surface of the housing recess on the cord outlet side and the cord outlet is shorter than a length of the plug. 3. The household electrical appliance according to claim 1, wherein a communication groove is provided between the end surface of the housing recess on the cord outlet side and the cord outlet to communicate the housing recess with the cord outlet. Protruding from the surface of the housing recess, provided with a fixing rib for fixing the plug,
The household electrical appliance according to any one of claims 1 to 3, wherein the fixing rib extends in the housing recess in a direction toward the plug.

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