JP3672835B2 - Rice cooker lid set - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a lid set for a rice cooker.
[0002]
[Prior art]
A lid set for a rice cooker is usually a lid body (sometimes referred to as a lid ring) covered with a lid and integrated. In the case of a rice cooker for general household use, the lid body and the lid are made of synthetic resin. However, in the case of commercial use, the lid is usually made of metal from the viewpoint of durability.
[0003]
As the lid set for the above operations, as the means for coupling integrally the metal lid made of a synthetic resin cap main body, it is usual by forcibly fitting.
[0004]
[Problems to be solved by the invention]
However, when the metal lid and the lid body are forcibly fitted, there is no problem if the peripheral edge where the lid main body and the lid are abutted has a circular shape or a shape close thereto, but the irregular peripheral edge formed by a non-circular three-dimensional curve In the case where there is a portion, since the processing accuracy of the metal lid produced by drawing and the lid body made of synthetic resin is difficult to obtain, problems such as a gap at the butt portion are likely to occur.
[0005]
Therefore, the present invention provides a lid set having a highly accurate structure that is easy to manufacture in a lid set that includes a lid body made of a synthetic resin and a metal lid, and has a deformed peripheral edge. Is an issue.
[0006]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention integrates a synthetic resin lid body 9 and a metal lid 10, and the front edge of the peripheral edge where the lid body 9 and the lid 10 face each other. In the lid set of the rice cooker in which the deformed peripheral edge portion is present, the engaging portion 22 is provided in the deformed peripheral edge portion of the front edge portion 17 of the lid 10, and the release button mounting space 18 is provided in the central portion of the front edge portion 17. In addition, the space 18 is closed by a bridge portion 19 that forms a part of the front edge portion 17, and a cover plate 24 that covers the range including the release button mounting space 18 on the inner surface of the lid 10 is covered with the lid 10. The front edge 24a is engaged with the front edge portion 17 of the lid 10 and the engagement portions 22 of the curved portions at both ends thereof, and the corresponding plate 24 is placed in the space 18 as described above. A fitting portion 25 ′ to be fitted is provided, and the empty portion facing the bridge portion 19 is provided. The plate 24 is fixed to the lid 10 with screws 25 by means of screw insertion pieces 21 provided at the inner peripheral edge of the place 18, and the lid body 9 side by screws 31 screwed from the lid body 9 side on the left and right sides of the mounting portion 25 ′. The front edge 24a of the plate 24 is pressed against the front edge portion 17 of the lid 10 and the engaging portions 22 of the curved portions at both ends thereof, thereby integrating the lid 10 and the lid body 9 together. The structure which aimed at was adopted.
[0007]
According to the above configuration, the lid body 9 and the lid 10 are coupled via the contact plate 24 at the deformed peripheral portion, and both peripheral portions are not directly coupled, so even if the processing accuracy is not high. Easy to assemble.
[0008]
Further, the caul plate 24, by binding attract the lid body 9 with a screw 31 is screwed from the lid body 9 side, for those hand plate 24 exerts a pressing force on the engaging portion of the lid 10, caul 24 and the lid 10 can be reliably integrated.
[0009]
By adopting a configuration in which a release button mounted space 18 provided along the front edge of the lid 10 is closed by a bridge portion 19 which forms part of the front edge 17, if there is no bridge part 19 Further, deformation due to the spring back occurring at the open end of the release button mounting space 18 can be prevented by the presence of the bridge portion 19 .
[0010]
Further, the inward engaging claw 23 provided at both ends of the hinged recess 16 provided on the rear edge of the lid 10, and the engagement claw 23 engaged with a portion of the cover body 9 constituting Can be adopted. Hinge mounting recesses 16, since it is provided in the rear edge of the lid 10 made of metal, but deformation due to spring back is liable to occur in the recess 16 end portions, the engaging claws 23 part of lid body 9 By engaging with, deformation due to springback can be prevented.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the accompanying drawings. As shown in FIG. 1, the rice cooker of the embodiment has a lid set 2 attached to the rear part of a jar body 1 so as to be openable and closable, and a steam port set 3 is attached to the lid set 2. Further, a hook release button 4 is provided on the front portion of the lid set 2. A display / operation panel 5 is provided on the front shoulder of the jar body 1. Further, as shown in FIG. 2, a heat radiating plate 6 is detachably attached to the inner surface of the lid set 2, and the lid set 2 is engaged with the jar body 1 by a hook 7 provided at a front portion thereof. Further, the hook 8 is stored in the jar body 1 so as to be freely inserted and removed.
[0012]
As shown in FIGS. 3 and 4, the lid set 2 includes a lid body 9 made of synthetic resin and a lid 10 made of metal such as stainless steel. The lid body 9 is integrally provided with a metal reinforcing member 11. The lid 10, as shown in FIG. 5, so as to cover the lid body 9, required has a depth, the upper surface 1 from 2 through gently curved surface is bent downward the both side walls 13, 13 and the rear wall 14 is formed. The mounting holes 15 of the steam outlet set 3 is provided at the substantially central portion of the upper surface 1 2, also hinged recess 16 in the central portion of the rear wall 14 is formed by cutting a rectangle. A hinge device (not shown) is incorporated between the hinge mounting recess 16 and the hinge mounting recess 16 ′ on the side of the lid body 9 facing the hinge mounting recess 16, and the lid set 2 is mounted to the jar body 1 so as to be openable and closable.
[0013]
Front edge 17 of the lid 10, as shown in FIG. 5 (a) (b), the inner becoming increasingly lowered to the lower edge of the side walls 13, 13 is approximately level with the upper surface 1 2 Niwan It has a deformed peripheral edge consisting of a curved three-dimensional curve. The front edge 17 ′ of the lid body 9 is also formed so as to have the same irregular peripheral edge as opposed to the front edge 17 (see FIG. 4).
[0014]
A release button mounting space 18 is provided in the central portion of the front edge portion 17 of the lid 10. The void 18 is a void closed by a bridge portion 19 that forms a part of the front edge portion 17. Further, a screw insertion piece 21 is provided on the inner peripheral edge of the void 18 facing the bridge portion 19.
[0015]
Engagement bent in an L-shape inward from the curved portion at both ends of the front edge 7 to the peripheral edge of the side walls 13 and 13 and the peripheral edge from the rear wall 14 to the hinge mounting recess 16. A portion 22 is formed (see FIGS. 5B and 6). However, in the bridge part 19, the engaging part 22 is abbreviate | omitted.
[0016]
Further, at both ends of the hinge mounting recess 16 of the rear wall 14, engagement claws 23, 23 extending inward longer than the engagement portion 22 are provided.
[0017]
As shown in FIGS. 5 (a) and 5 (b), the inner surface of the lid 10 has a length along the front edge 17 and reaches the curved portions at both ends thereof, and includes a release button mounting space 18. A patch plate 24 made of synthetic resin having a size covering the range is attached. The abutting plate 24 has a curved surface that is in close contact with the curved surface of the inner surface of the front portion of the lid 10, and its front edge 24 a extends along the front edge portion 17 of the lid 10 and the engaging portions 22 of the curved portions at both ends thereof. The screw 25 is engaged and fixed to the lid 10 by a screw 25 inserted through the screw insertion piece 21.
[0018]
The abutting plate 24 has a mounting portion 25 ′ that fits into the release button mounting space 18, and screw cylinders 26, 26 are integrally formed on the left and right sides of the mounting portion 25 ′ .
[0019]
The coupling structure of the lid 10 and the lid body 9 is as follows. That is, on the rear wall 14 of the lid 10, the engaging claws 23, 23 provided on both sides of the hinge mounting recess 16 are provided between the rear end portion of the reinforcing member 11 shown in FIG. 3 and the lid body 9. It engages with the formed engaging recess 27. Further, the engagement portions 22 bent in the L shape of the rear wall 14 and the side walls 13 and 13 are engaged with engagement receiving portions 28 provided in a required number at predetermined intervals along the peripheral edge portion of the lid body 9. To do. Further, the lid 10 is fixed to the lid body 9 with screws 29 (see FIG. 6) at two locations outside the attachment hole 15 of the steam port set 3 of the lid 10.
[0020]
Further, the screw 31 screwed into the contact plate 24 from below the lid body 9 is screwed into the screw cylinder 26 (see FIGS. 4 and 6). When the screw 31 is tightened, the contact plate 24 is drawn toward the lid main body 9 side, and the front edge 24a of the contact plate 24 exerts a pressing force in a direction in which the engagement portion 22 of the cover 10 in contact therewith is pushed outward. As a result, the contact plate 24 and the lid 10 are integrated, and deformation of the peripheral edge of the lid 10 is prevented. Note that the contact plate 24 is not limited to a synthetic resin and may be made of metal, or may be attached by being engaged with the lid 10 or the like.
[0021]
8A to 8E show various modified examples of the engaging portion 22 and the engaging receiving portion 28 at the peripheral edge portions of the side wall 13 and the rear wall 14 of the lid 10. (A) In the figure, the lower end portion is folded inwardly upward to form the engaging portion 22 and engaged with the lower surface of the engagement receiving portion 28. (B) The figure shows the engagement portion 22 having the same shape engaged with the recess of the engagement receiving portion 28. (C) In the figure, the lower end portion is bent in an inverted L shape, and the engagement hole provided in the bent portion is engaged with the convex engagement receiving portion 28. (D) In the figure, the engagement portion 22 turned inward is fixed to the engagement receiving portion 28 with a screw 30. (E) The figure shows the engagement portion 22 bent in an inward L shape fitted to the convex engagement receiving portion 28, and is used in combination with the structure shown in FIG.
[0022]
FIG. 9 shows a fitting structure between the trunk member 32 (see FIG. 1) of the jar main body 1 and the bottom member 33. The body member 32 is made of metal such as stainless steel, and the bottom member 33 is made of synthetic resin. In FIG. 9A, the lower end portion of the body member 32 is bent into an inverted L shape to form an engaging portion 34, and is fitted into a concave portion 36 of a rib 35 provided on the inner surface of the bottom member 33. 9B and 9C, in addition to the above structure, a convex portion 37 is provided on the inner surface of the concave portion 36 on the bottom member side, and the engaging portion 34 is engaged with the convex portion 37. .
[0023]
【The invention's effect】
As described above, according to the present invention, in a lid set composed of a synthetic resin lid body and a metal lid having a deformed peripheral edge, a synthetic resin pad is attached to the lid, Since the lid and the lid main body are combined and integrated, at the deformed peripheral edge where the processing accuracy is difficult to be obtained, it is possible to directly engage or fit both through the contact plate. Since they are indirectly coupled, they can be easily coupled even when the processing accuracy of both is not sufficiently high. In addition, the above-described patch plate reinforces the vicinity of the deformed peripheral edge of the metal lid, prevents deformation of the metal in that portion, and can also correct deformation due to processing, thereby providing a highly accurate product. it can.
In addition, since the release button mounting space is closed by the bridge portion, the effect of increasing the accuracy of the front edge portion can be obtained as compared with the open portion. Moreover, although the rear edge part of the lid is opened by the hinge mounting recess, the rear part of the lid can be prevented from being deformed by engaging the engaging claws provided on both sides thereof with the lid body.
[Brief description of the drawings]
FIG. 1 is a perspective view of the first embodiment. FIG. 2 is a perspective view of the lid set in the opened state. FIG. 3A is an exploded perspective view of the lid set of the same.
(B) (a) Partial sectional view of the assembled state of FIG. 4 [FIG. 4] Exploded perspective view of the lid set of the same. [FIG. 5] (a) Disassembled perspective view of the lid of the same.
(B) (a) Partially enlarged perspective view of FIG. 6 [FIG. 6] Cross-sectional view of the same lid set [FIG. 7] Cross-sectional view showing the engaging structure of the same lid set [FIG. ) Cross-sectional view of a modification showing a part of the above [FIG. 9] (a) Partial cross-sectional view of the jar main body part of the above-mentioned
(B) Partial cross-sectional view of the jar main body portion of the modified example
(C) Cross-sectional view along line cc in (b) [Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Jar body 2 Lid set 3 Steam port set 4 Hook release button 5 Display / operation part 6 Heat sink 7 Hook 8 Hook 9 Lid body 10 Lid 11 Reinforcement member 12 Upper surface 13 Side wall 14 Rear wall 15 Mounting hole 16, 16 'Hinge attachment Recess 17 Front edge 18 Release button mounting space 19 Bridge part 21 Screw insertion piece 22 Engagement part 23 Engagement claw 24 Abutting plate 24a Front edge
25 screws
25 ' mounting portion 26 screw cylinder 27 engaging recess 28 engaging receiving portion 29 screw 30 screw 31 screw 32 body member 33 bottom member 34 engaging portion 35 rib 36 recess 37 convex portion

Claims (2)

In a lid set of a rice cooker, in which a lid body 9 made of a synthetic resin and a lid 10 made of metal are integrated, and a deformed peripheral edge is present at the front edge of the peripheral edge where the lid body 9 and the cover 10 face each other. The engaging portion 22 is provided at the deformed peripheral edge portion of the front edge portion 17 of the lid 10 , the release button attaching space 18 is provided at the central portion of the front edge portion 17, and the space 18 is formed on the front edge portion 17. A cover plate 24 which is closed by a bridge portion 19 forming a part and covers the range including the release button mounting space 18 on the inner surface of the lid 10 is closely attached to the inner surface of the front portion of the lid 10, and the front edge 24 a is The bridge portion is provided with an attachment portion 25 ′ that engages with the engagement portion 22 of the front edge portion 17 of the lid 10 and the curved portion at both ends thereof, and fits in the space 18 on the corresponding plate 24. The screw insertion piece 21 provided on the inner peripheral edge of the void 18 facing the Correspondingly, the plate 24 is fixed to the lid 10 with screws 25, and is pulled to the lid body 9 side by screws 31 screwed from the lid body 9 side on both the left and right sides of the mounting portion 25 '. 24, the front edge 24a of the lid 10 is pressed against the front edge portion 17 of the lid 10 and the engaging portions 22 of the bent portions at both ends thereof, thereby integrating the lid 10 and the lid body 9 . Lid set. And characterized in that the inward engaging claw 23 provided at both ends of the hinged recess 16 provided on the rear edge of the lid 10, the engagement claws 23 engaged with a portion of the cover body 9 The lid set of the rice cooker of Claim 1 to do .

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