JPH027034Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention consists of a wire rod stretched inside a frame rotatably supported on the support part of the base so that it can be collapsed toward the base. The bottom surface of the saucer provided on the base has a kerf groove into which the wire rod of the frame is inserted when cutting boiled eggs, etc. on the bottom surface of the tray. The present invention relates to a structure for supporting the mounting portion of the frame to the frame.

(Problems to be Solved by the Prior Art and Ideas) Conventionally, in this type of boiled egg cutter, a wire rod is stretched between both mounting portions provided on the frame. This attachment part is usually formed of metal or synthetic resin separately from the frame, and is attached to the frame by some kind of connection means. An example of this connection means is one in which the fitting end of the frame body is simply fitted into the fitting hole of the mounting part, but the fitting between the fitting end and the fitting hole is loosened. If there is, the frame will move during use, making it very difficult to use. Therefore, the fit between them had to be made with high precision.

Therefore, the present invention is designed to improve the fitting structure of these devices to prevent the fitting portions from loosening and to make the device easier to use.

Structure of the invention (means for solving problems) That is, as shown in the drawings of the embodiments described later, the invention has a frame attached to the support part 2 of the base 1 so that it can be collapsed toward the base 1. rotatably supports the body 3;
A wire rod 22 is stretched between both attachment parts 10 provided on the distal end side part 5 and base end side part 6 of this frame body 3, and on the receiving bottom surface 24 of the saucer part 23 provided on this base 1. In a boiled egg cutter having a cutting groove 25 into which the wire rod 22 is inserted when cutting the boiled egg E etc. on the receiving bottom surface 24 with the wire rod 22 of the frame body 3, at least one of the two mounting parts 10 is provided. A mounting portion 10 is formed of synthetic resin separately from the frame 3, and fitting holes 13 are bored on both sides of the mounting portion 10. A small protrusion 7 is formed on the outer circumferential surface of the opposing fitting ends 5a, 6a by dividing the side parts 5, 6.
a, 6a are fitted into both fitting holes 13 of the mounting part 10 to form a striped groove 20 in the axial direction with the small protrusion 7, and the mounting part 10 is rotated so that the small protrusion 7 forms a circumferential groove. The linear grooves 21 in the axial direction are formed continuously with the linear grooves 20 in the axial direction.

(Function) Since the small protrusions 7 of the fitting ends 5a, 6a of the frame body 3 are locked in the circumferential striped grooves 21, movement of the fitting ends 5a, 6a in the axial direction is prevented. be done. Furthermore, since the wire rod 22 is stretched between the two attachment parts 10, the attachment part 10 does not rotate relative to the fitting ends 5a, 6a, and the fitting ends 5a, 6a do not move in the circumferential direction. is also prevented.

(Example) An example of the present invention will be described below with reference to the drawings.

As shown in Figures 1 and 2, a metal frame 3 is attached to a pair of supporting parts 2 protruding from the top surface of one side of a synthetic resin base 1 so that it can be collapsed toward the base 1. Rotatably supported. This frame body 3 is divided into two U-shaped frame members 4 as shown in FIG. A mating end portion 5 having a circular cross section
a, 6a (in this embodiment, the diameter is approximately 3.6 mm). A fourth,
As shown in FIG. 5, a small protrusion 7 having a tip 7a is formed. In this embodiment, this small protrusion 7 extends from a triangular vertical surface 8 perpendicular to the outer peripheral surface of the fitting ends 5a, 6a and from both sides of this vertical surface 8 to the fitting end 5.
It forms a triangular pyramid having triangular slopes 9 converging toward the tip side of the vertical surfaces 8, and the height H to the tip 7a, which is the apex of the vertical surface 8, is approximately 0.2 mm.

The wire attachment parts 10 attached to the distal end side part 5 and the proximal end side part 6 of the frame body 3 are made of synthetic resin and are separated from the frame body 3, and are attached to support parts as shown in FIGS. 6 and 7. 11 and a hook portion 12.
A fitting hole 1 having a circular cross section is provided on both end surfaces of the support part 11.
3 is drilled. The fitting hole 13 extends from the chamfered portion 14 on the end surface side through the tapered portion 15 to the fitting portion 16.
In this embodiment, the inner diameter D of the fitting portion 16 is approximately 3.6 mm. Further, a hook portion 17 having a semicircular upper edge 17a on one side of the hook portion 12.
A hook portion 19 is formed by a plurality of slanted surfaces 18 extending inwardly and downwardly from the upper edge 17a.

The fitting ends 5a, 6a of the frame 3 are fitted into the fitting holes 13 of the mounting portion 10, as shown in FIGS. 8 and 9. At this time, the 10th to 1st
As shown in FIG. 2, a fitting end 5 is formed on the inner peripheral surface of the fitting hole 13 from the tapered part 15 to the fitting part 16.
A linear groove 20 in the axial direction is formed by being bitten by the tip 7a of the small protrusion 7 of a, 6a. Furthermore, from the state shown in FIG.
is rotated approximately 180 degrees as shown in FIGS. 13 and 14, so that its hook portion 12 is positioned inside the frame 3. At this time, as shown in FIGS. 15 to 17, the inner peripheral surface of the fitting portion 16 of the fitting hole 13 is formed with a circumferential striped groove 2 by the tip 7a of the small protrusion 7.
is formed by continuously digging into the linear groove 20 in the axial direction.

Then, in the state shown in FIG.
9, a plurality of hooks 17 are stretched in parallel between each hook portion 17, as shown in FIG.

A saucer portion 2 having a saucer bottom surface 24 is disposed on the machine base 1.
3, and a plurality of cutting grooves 25 are formed in the receiving bottom surface 24, into which the wire rods 22 of the frame body 3 are inserted when cutting the boiled eggs E on the receiving bottom surface 24.

In particular, in this embodiment, the fitting end 5a of the frame 3,
Since the small protrusion 7 of 6a is locked in the circumferential striped groove 21, movement of the fitting ends 5a, 6a in the axial direction is reliably prevented. In addition, since the wire rod 22 is stretched between the two attachment parts 10, the two attachment parts 10 do not rotate relative to the fitting ends 5a, 6a, and the circumferential direction of the fitting ends 5a, 6a does not rotate. Movement is also blocked. Moreover, since the small protrusions 7 of the fitting ends 5a, 6a are embedded in the circumferential striped grooves 21, the fitting ends 5a,
Not only movement in the axial direction but also movement in the circumferential direction of 6a is more reliably prevented.

In addition, in the above-mentioned embodiment, the linear grooves 20 in the axial direction and the linear grooves 21 in the circumferential direction do not have to be in the axial direction or the circumferential direction in the strict sense, but may be oblique with respect to these directions. You can.

Effect of the invention In short, according to the invention, the fitting end 5 of the frame 3
Since the axial and circumferential movements of a and 6a are reliably prevented, there is no looseness in the fitting portion between the fitting ends 5a and 6a of the frame 3 and the fitting hole 13 of the wire attachment part 10. This makes it much easier to use.

[Brief explanation of the drawing]

Fig. 1 is a plan view showing a boiled egg cutter according to an embodiment of the present invention, Fig. 2 is a front view of the same, and Fig. 3 is an exploded plan view showing a wire tensioning frame of the same boiled egg cutter. , FIG. 4 and FIG. 5 are respectively an enlarged front view and an enlarged perspective view showing the small protrusion 7 of the same frame, FIG. 6 is an enlarged partial sectional view showing the wire attachment part, and FIG. 7 is an enlarged side view, respectively. FIG. 8 is an assembled plan view of the frame showing a state in which the fitting end of the frame is fitted into the fitting hole of the wire attachment part, FIGS. 9 and 10 are enlarged partial sectional views showing this fitted state, Figure 11 is X1-X1 in Figure 10.
12 is a sectional view taken along line X2-X2 in FIG. 10, FIG. 13 is an assembled plan view of the frame showing a state in which the wire attachment part has been rotated from the state shown in FIG. 8, and FIG. 15 and 15 are enlarged partial cross-sectional views showing this rotating state, and FIG. 16 is a Y1-
Y1 line sectional view, Figure 17 is Y2-Y2 in Figure 15
FIG. Frame body...3, Fitting end...5a, 6a, Small protrusion...7, Point...7a, Mounting part...10, Fitting hole...13, Striped groove...20, 21, Wire rod ...2
2.

Claims (1)

[Claims for Utility Model Registration] A frame 3 is rotatably supported on the support portion 2 of the base 1 so that it can be collapsed toward the base 1, A wire rod 22 is stretched between both attachment parts 10 provided on the base side side part 6, and the wire rod 22 of the frame 3 is attached to the receiving bottom surface 24 of the saucer part 23 provided on the base 1. In a boiled egg cutter having a cutting groove 25 into which the wire rod 22 is inserted when cutting the boiled egg E, etc., at least one of the two mounting parts 10 is different from the frame 3. The fitting holes 13 are formed on both sides of the mounting portion 10, and the side portions 5 and 6 of the frame body 3 corresponding to the mounting portion 10 are separated to separate the mounting portions 10 from synthetic resin. Small protrusions 7 are formed on the outer peripheral surfaces of the fitting ends 5a, 6a facing each other, and these fitting ends 5a, 6a are connected to the mounting portion 10.
The small protrusions 7 are fitted into both fitting holes 13 to form an axial striped groove 20, and the mounting portion 10 is rotated to form the circumferential striped grooves 21 with the small protrusions 7. A support structure for a cutting wire mounting portion in a boiled egg cutter, characterized in that a linear groove 20 is formed continuously in the axial direction.