JPH031826A - Lid body of cooking utensil - Google Patents

Abstract

PURPOSE:To prevent a lower lid and deformation preventing fittings from cracks and deformation caused by stress concentration by providing the bridge-like deformation preventing fittings on the ring-shaped lower lid to press fit both ends of the deformation preventing fittings in parallel into through holes of engaging parts located on the ends of the bridges and having a generally U-shaped section. CONSTITUTION:Engaging parts 8 provided on a lower lid 6 are located on the ends of bridges of deformation preventing fittings 10 and have through holes 9 provided parallel to said fittings 10. The bottom surface of the bridge end of said fitting 10 is pressed against the upper surface of the lower lid 6 within the range of width K, and the top surface of the bridge end is pressed against the through hole 9 of the engaging part 8 within the range of width L. Thus, the lower lid 6 and said fitting 10 can be fixedly secured to each other by being press fitted into the through hole 9 of the engaging part 8 having a generally U-shaped section without using parts like rivets. Even if stress acts on the engaging part 8 of the lower lid 6 and said fitting 10 when the lower lid 6 and an upper lid 5 tends to be deformed by heat produced in cooking and pressure in a pan, any cracks and deformation do not take place in the lower lid 6 and said fitting 10 without the stress concentration.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a lid for a cooking utensil used in general households.

BACKGROUND OF THE INVENTION Conventionally, lids for cooking utensils of this type have been manufactured, for example, in patent applications filed in 1983-
The configuration was as described in the specification of No. 165102. That is, to explain the details with reference to FIGS. 5 and 6, 12 is a lid body, 13 is a synthetic resin upper lid that forms the upper surface of the lid body 12, and 14 is a synthetic resin that forms the bottom surface of the lid body 12. The lower lid 15 is a deformation-preventing metal fitting, and the deformation-preventing metal fitting 15 is fixed to the lower lid 14 at both ends with rivets 16 and has a substantially U-shaped cross section, and is made of a metal plate or the like.

The lower lid 14 is integrally fixed to the upper lid 13 with screws 17 to constitute a lid body 12 that is one rigid body.

Problems to be Solved by the Invention However, in the above configuration, 2 (l!!i!) rivets 16 are used to secure the one deformation prevention metal fitting 15 to the lower lid I4, The number of parts increases,
In addition, it required more man-hours to assemble, resulting in higher costs.

Further, the lower lid 14 and the deformation prevention fitting 15 are fixed using rivets 16. Therefore, the lower lid 14 and the upper lid I
2 tries to deform due to the heat generated during cooking or the pressure inside the pot, the stress concentrates on the rivets 16 of the lower lid 14, causing the lower lid 14 to crack or deform. There was a problem in that the prevention fitting 15 itself was deformed.

The purpose of the present invention is to solve the above-mentioned problems, to make it possible to fix the deformation prevention metal fittings simply by press-fitting them into the through holes, to reduce the number of parts and man-hours, to lower costs, and to prevent the lower cover from deforming due to stress concentration. The purpose is to provide a high-quality lid for a cooker that does not cause cracks or deformation in the preventive metal fittings.

Means for Solving the Problems In order to achieve the above object, the present invention provides a lid body of a double structure that is rotatably supported on one side of the cooking appliance body and covers the top opening of the cooking appliance body. , this lid body includes an upper lid constituting the upper exterior, a ring-shaped lower lid made of synthetic resin and forming the lower surface, and a deformation prevention fitting provided in a bridge shape on the ring-shaped lower lid, and the lower lid is provided with an engaging portion having a substantially U-shaped cross section located at the bridge end of the deformation prevention metal fitting, a through hole parallel to the deformation prevention metal fitting is provided in this engaging portion, and the through hole is provided with a through hole parallel to the deformation prevention metal fitting. Both ends were press-fitted to form a lid for a cooking utensil.

Function: As described above, the present invention provides a bridge-like deformation prevention fitting on the ring-shaped lower lid, and provides an engagement portion having a substantially U-shaped cross section at the bridge end of the deformation prevention fitting. Both ends of the deformation-preventing metal fittings can be press-fitted in parallel into the through-hole of the part and fixed. In this way, since the bridging end portions at both ends of the deformation prevention metal fitting come into pressure contact with the entire surface of the through hole, stress concentration is eliminated compared to conventional fixation using rivets or the like.

EXAMPLE Hereinafter, an example of the present invention will be described with reference to FIGS. 1 to 4.

In Fig. 1, 1 is the cooker main body, 2 is the lid body, and the main body l
It has a double structure that covers the upper opening of the main body 1, and is rotatably supported by a shaft 3 on one side of the main body 1. Reference numeral 4 denotes a locking lever, which is used to hold the lid 2 in a state where the top opening of the main body l is closed with the lid 2.
This is a lever that locks the main body l.

Further, in FIGS. 2 and 3, numeral 5 indicates an upper lid made of synthetic resin that constitutes the outer upper surface of the lid body 2, numeral 6 indicates a ring-shaped lower lid made of synthetic resin that constitutes the lower surface of the lid body 2, and numeral 7 denotes a lid. The disk-shaped lid cover 8 constituting the lowermost surface of the body 2 is an engaging portion, and is provided at the lower M6 and is located at the bridge end of the deformation prevention metal fitting IO, and has a through hole bored parallel to the deformation prevention metal fitting 10. It has 9. Numeral 11 is a screw that fixes and integrates the lid cover 7, lower lid 6, and upper lid 5 together.

In the above configuration, as shown in FIG.
The bottom surface of the bridge end of O is pressed against the upper surface of the lower lid 6 within a range 11, and the top surface of the bridge end is pressed against the through hole 9 of the engaging portion 8 over a width range.

As described above, according to the present invention, the lower lid 6 and the deformation prevention fitting 1
0 can be press-fitted into the through hole 9 of the engaging portion 8 having a substantially U-shaped cross section and fixed without using parts such as rivets.

In addition, since the lower lid 6 and the bridging end of the deformation prevention metal fitting 1° are in pressure contact over a wide range of width, the lower lid 6 and the upper lid 5 are exposed to the heat generated during cooking and the pressure inside the pot. Even if stress acts on the engagement part 8 between the lower lid 6 and the deformation prevention fitting 10 as the lower lid 6 tries to deform, the stress does not concentrate and cracks or deformation do not occur in the lower lid 6 or the deformation prevention fitting 10.

Effects of the Invention As described above, in the present invention, in a double-structured lid body, a bridge-like deformation prevention metal fitting is press-fitted into the engagement portion at both ends of the ring-shaped lower lid and fixed thereto.

Therefore, both ends of the deformation prevention fitting are pressed together over a wide range in parallel with the through hole of the engaging portion, and are stably fixed. Moreover, there is no need for coupling members such as screws or rivets as in the conventional example, and the number of man-hours for assembling these can be reduced.

In addition, even if stress is applied that tries to deform the lower lid or deformation prevention metal fittings due to the heat generated during cooking or the pressure inside the pot, they will be pressed in parallel with the through hole of the engaging part. Stress concentration is alleviated at both ends of the deformation-preventing metal fitting, making it possible to provide a high-quality cooking utensil lid that does not cause cracks in the lower lid or deformation of the deformation-preventing metal fitting.

[Brief explanation of the drawing]

Fig. 1 is a partial side view of a cooking utensil showing an embodiment of the present invention, Fig. 2 is an enlarged sectional view of the lid of the cooking utensil, and Fig. 3 is an enlarged view of the lower swallow with the deformation prevention fitting attached. Door 1'・Plant, No. 4
The figure is an enlarged perspective view without showing the bridging end of the deformation prevention fitting, FIG. 5 is an enlarged sectional view of the lid of a conventional cooking utensil, and FIG. 6 is an enlarged perspective view of the deformation prevention fitting attached. , 4 is an enlarged view of the human body. 2... Lid body 5... Upper R16... r product 8...
Engagement part 9...Through hole 10...Deformation prevention fitting Fig. 1

Claims (1)

[Claims] (1) A double-structured lid is rotatably supported on one side of the cooking device main body and covers the top opening of the cooking device main body, and the lid has a top lid that forms the outside of the top surface and a bottom surface that covers the bottom surface. A ring-shaped lower lid made of synthetic resin and a deformation prevention metal fitting provided in a bridge shape on the ring-shaped lower lid, the lower lid has a cross-section omitted at the end of the bridge of the deformation prevention metal fitting. A cooking utensil characterized in that a U-shaped engagement part is provided, a through hole is provided in the engagement part parallel to the deformation prevention metal fitting, and both ends of the deformation prevention metal fitting are press-fitted into the through hole and fixed. Lid body.