JP3690963B2 - Cooker handle - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a structure of a handle for a hot plate, an electric pan or other cooking device.
[0002]
[Prior art]
A synthetic resin handle for a heating cooker such as a hot plate is attached to a member heated to a high temperature such as a cooking body or a lid. To avoid that the entire handle is heated to a high temperature, drilled through holes B between the attachment portion of the handle A A ₁ and gripping portion A ₂ as shown in FIG. 9, to the gripping portion A ₂ The handle structure has been devised to reduce heat transfer. In this case, since the handle is always touched by fingers, it is necessary to form a roundness C at the opening end as shown in an enlarged view in FIG. When molding a handle having such a structure, the structure of the upper mold and the lower mold becomes complicated, and it is necessary to position the part line D near the center of the thickness, in other words, inside the through hole. That is, the contact surface G of the upper mold E and the lower mold F is located inside the through hole.
[0003]
[Problems to be solved by the invention]
When a through-hole is drilled in a handle molded with a synthetic resin material and the part line is set at the center of the thickness, not only will the line appear as a part of the molding process, but burrs will also form due to wear of the mold. May be. Further, a step may be formed in the part line due to the deviation of the mold. In this case, it is necessary to complete the product by removing burrs and the like. However, there is a drawback that the finishing process inside the through hole becomes difficult. In order to avoid the generation of burrs and the occurrence of steps due to mold misalignment, a precise mold is required. The present invention has been made in view of the above-described drawbacks of the prior art, and it is an object of the present invention to easily provide a handle for a cooker in which a part line is not formed inside a through hole and can be used safely.
[0004]
[Means for Solving the Problems]
In order to achieve the above object, the part line of molding is used as the open end of the through hole 3, and the rib 5 is formed to protrude from one surface of the open end of the through hole 3 so as to approach the open end. Thereby, a part line is not located in the inside of the through-hole 3, and a burr | flash etc. do not generate | occur | produce. In this case, an edge is formed at the opening end of the through hole 3, and there is a possibility that a burr is generated here. However, since it is an open end, even if burrs occur, it can be easily removed, and the open end is formed into an edge shape by projecting the rib 5 close to the open end. Even if it exists, it can prevent a finger touching and can use it safely. Even if the upper mold 6 and the lower mold 7 are misaligned, no step is formed inside the through hole. The rib 5 arranged close to the opening end may be formed at the opening edge portion of the through-hole 3, but if it is formed at a position slightly away from the opening edge, the upper die Even if the 6 and the lower mold 7 are misaligned, the rib can be molded without any trouble.
[0005]
The through hole 3 is disposed between the attachment portion 1a and the grip portion 1b of the handle 1. Since the rib 5 is formed on the surface of the opening end of the through hole 3 so as to be close to the opening end, the finger can be prevented from touching the opening end. By forming the rib 5 formed on the surface of the opening end only on the grip 1b side of the handle 1, it is possible to prevent fingers from touching the opening end. However, if the rib 5 is arranged around the opening end of the through hole, the through hole 3 can be arranged at a position away from the attachment portion 1a of the handle 1. If the part line of the outer surface other than the through-hole part is formed in the middle part of the thickness, the entire upper and lower peripheral edges of the handle 1 can be formed into a rounded shape.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of a handle for a cooker according to the present invention will be described with reference to the accompanying drawings.
FIG. 1 is a longitudinal sectional view showing an example of a state in which the handle 1 is attached to a cooking body, FIG. 2 is an enlarged longitudinal sectional view of a through hole portion of the handle in FIG. 1, and FIG. 3 is a longitudinal sectional view of the mold.
[0007]
FIG. 1 shows an example of a handle mounted on a hot plate cooking body 2 using a mounting bracket 4. This handle 1 has a narrow through-hole 3 between the attachment portion 1a and the grip portion 1b, thereby preventing the heat of the cooking body 2 from being transmitted from the attachment portion 1a to the grip portion 1b. That is, the heat transmitted from the cooking body to the attachment portion 1a is not directly transmitted by the presence of the through hole 3, but is cooled by the air passing through the through hole.
[0008]
As shown in FIG. 2, ribs 5 are formed on the open end surface of the through hole 3 so as to protrude from the lower surface of the drawing so as to approach the open end of the through hole 3. At this time, as shown in FIG. 3, the upper die 6 is provided with a through-hole molding portion 8, and the part line with the lower die 7 is set at the lower end surface of the through-hole. That is, the rib molding groove 9 for forming the rib 5 is formed on the surface of the lower mold 7.
[0009]
In the combination of the upper mold 6 and the lower mold 7 in FIG. 3, the upper end opening edge 3a of the opening edge of the through hole 3 is rounded by the shape of the upper mold so that it can be safely touched by fingers. However, the shape of the lower end opening edge is an edge shape because the upper die and the lower die are abutted. However, since the rib 5 is formed close to the opening end, it is possible to prevent a finger from touching the edge of the opening end. There is a possibility that a burr is formed on the lower end opening edge of the through-hole 3 for reasons such as mold accuracy and wear. However, since this burr is an open end of the through-hole 3, it can be easily removed. Even if the upper mold 6 and the lower mold 7 are misaligned, this misalignment appears as a slight misalignment of the rib position. Therefore, the rib 5 should be disposed at a position slightly away from the opening edge of the through hole 3 so that the upper mold 6 and the lower mold 7 can be molded without any problem even if they are slightly displaced.
[00010]
FIG. 4 is a perspective view of the handle 1 as seen upside down. In this embodiment, three through holes 3, 3 are arranged in a row in the width direction of the handle 1, and ribs 5 are formed so as to surround the three through holes. As shown in FIG. 7, the rib 5 may be formed linearly in the width direction, for example, on the grip portion 1 b side of the row of the through holes 3. The rib 5 is preferably formed not only on the grip 1b side of the handle 1 but also on the attachment 1a side as shown by a dotted line in FIG. As shown in FIG. 4 and FIG. 6, when the rib 5 is provided so as to go around the through hole, it is possible to prevent a finger from touching the opening edge of the through hole on the attachment portion 1 a side. Therefore, the through-hole 3 can be provided not only in the boundary portion between the grip portion 1b and the attachment portion 1a but also in the grip portion 1b. In this case, the through-hole 3 has an effect of enhancing the cooling effect of the grip portion 1b, and also has an actual benefit of functioning as a finger slipper.
[0011]
FIG. 5 is a sectional view showing an example of the mold of the handle 1 of FIG. In this embodiment, the through-hole molded part 8 is projected only on the upper mold 6, the through-hole molded part 8 is brought into contact with the flat part of the lower mold 7, and the rib forming groove 9 is formed on the flat part of the lower mold 7. Forming. However, the part line on the side surface of the handle 1 is set at the center of the thickness. Thereby, the handle 1 can be molded not only with the outer peripheral edge of the upper surface but also with the rounded outer peripheral edge of the lower surface.
[0012]
The present invention can be applied not only to an electric heating cooker such as a hot plate but also to a handle for various cookers. Fig. 8 (a) is an example applied to a hot plate lid handle, Fig. 8 (b) is an example applied to a hot plate cooking handle, and Fig. 8 (c) is an ordinary pan handle. Each applied example is shown.
[0013]
【The invention's effect】
According to the cooker handle of the present invention described in claim 1, when forming the handle for forming the through-hole, a step due to a burr or a mold deviation is not formed inside the through-hole, so that the manufacture thereof is facilitated. . And by forming ribs on the opening end surface of the through hole, fingers do not touch the opening end edge of the through hole formed in the edge shape, so it can be used safely without special finishing processing it can.
[0014]
According to the second aspect of the present invention, the finger is prevented from touching the opening end of the through-hole not only from the grip holding portion side but also from the attachment portion side by being formed so as to go around the opening end of the through-hole. can do. Therefore, the through hole can be formed not only at the boundary portion between the gripping portion and the attachment portion but also at the gripping portion, so that the heat radiation effect can be enhanced and the rib can function as an anti-slip of fingers.
[0015]
According to the third aspect of the present invention, it is possible to provide a handle that forms a through hole and that can be used safely with all outer peripheral edges rounded.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view showing an example in which a handle for a cooking device according to the present invention is mounted on a cooking body of a hot plate;
FIG. 2 is an enlarged longitudinal sectional view of a through hole portion of the handle in FIG. 1,
FIG. 3 is a longitudinal sectional view of a mold for molding a through hole portion;
FIG. 4 is a perspective view of the handle turned upside down,
FIG. 5 is a sectional view showing an example of a mold for molding a handle;
FIG. 6 is a bottom view of a handle showing an example of a rib shape;
FIG. 7 is a bottom view of a handle showing another example of a rib shape;
FIG. 8 is a perspective view showing an example of a handle to which the present invention is applied;
FIG. 9 is a longitudinal sectional view of a state in which a conventional handle is mounted on a cooking body of a hot plate.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Grip, 1a ... Attachment part, 1b ... Grab part, 2 ... Cooking body, 3 ... Through-hole, 3a ... Top opening edge, 4 ... Mounting bracket, 5 ... Rib, 6 ... Upper type, 7 ... Lower type, 8 ... through-hole molding part, 9 ... rib molding groove.

Claims (3)

In a handle made of synthetic resin with a through hole drilled between the mounting part and the grip part to reduce heat transfer to the grip part, the molding part line is the open end of the through hole, and the open end of the through hole A handle for a cooker, characterized in that a rib protrudes from the surface close to the open end. The handle for a cooker according to claim 1, wherein the rib formed on the surface of the opening end is arranged around the opening. The handle for a cooker according to claim 1 or 2, wherein a part line on the outer surface of the handle other than the through hole is formed in an intermediate portion of the thickness.

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