JP2552173B2 - Open / close lid - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial field of application" The present invention is mainly capable of opening and closing the can opening.
The present invention relates to an opening / closing lid opening / closing lid having an opening / closing lid main body formed with a plurality of elastic hook stopper pieces that can be opened and closed on the outer circumference.

“Prior Art” Conventionally, this type of opening / closing lid is made by punching out a metal plate such as tin plate as shown in FIG.
As shown in the figure, the notch is cut off in a straight line
30 and a plurality of elastic clasp pieces 31 were formed.

[Problems to be solved and used by the invention] In the above-described conventional technology, since the notch is a straight thick vertical space that is cut off in a straight line, the opening / closing lid is automatically attached to the mouthpiece of the container. When the opening / closing lid is inserted into the parts feeder, the elastic hooking piece of another opening / closing lid goes deep into the notch of the opening / closing lid that is moved inside the parts feeder, and it does not separate, or the notches and the notches are deeply meshed and separated from each other. There is a problem that the opening and closing lids are entangled with each other, such as disappearing. for that reason,
There was a defect that it was difficult to move and align the parts in the parts feeder because manual work was required to loosen the entangled items and the elastic hooking pieces were damaged, resulting in defective products.

"Object of the Invention" The present invention has been made in view of the above-described conventional drawbacks, and an object thereof is to obtain an opening / closing lid that can reliably prevent entanglement in a parts feeder.

[Means for Achieving the Object of the Present Invention] In order to solve the above-mentioned drawbacks of the prior art, the present invention provides a plurality of elastic hook stoppers for elastically gripping the mouthpiece of a container. Is formed downward on the outer circumference of the circular upper wall, and a notch formed by a space separating the elastic hook stoppers is formed between the elastic hook stoppers, and a recess is formed in a substantially central portion of the upper wall. In an opening / closing lid having an opening / closing lid main body capable of opening and closing the elastic hooking piece by forming a shape of a protrusion or a convex portion, cut the side of the elastic hooking piece so that the lower side of the notch draws a curve. Is formed, and a convex portion that enters the concave portion is formed on the side portion of the elastic hook stopper piece adjacent to the elastic hook stopper piece.

"Examples of the Present Invention" Hereinafter, the present invention will be described in detail with reference to the examples shown in the drawings.

In the embodiment shown in FIGS. 1 to 3, reference numeral 1 denotes an opening / closing lid of the present invention, which is a detachable opening / closing lid main body 3 elastically locked to a mouthpiece portion 2 of a container, and the opening / closing lid. Lid body 3
It is composed of a packing 4 housed inside.

The opening / closing lid main body 3 is elastically gripped by a disc-shaped upper wall 5 whose center portion can be formed into a concave or convex shape, and a cap portion 2 of a container integrally formed with the upper wall 5. A plurality of elastic hook-stop pieces 7 to be stopped, and the entire lower portion formed between the elastic hook-stop pieces 7 and the adjacent elastic hook-stop pieces 7 is curved (curved) into a substantially U-shape. And the notch portion 6 of. The notch 6 forms a concave portion formed by cutting on the side portion of the elastic hook stopper piece 7, and a convex portion that enters the concave portion is formed on the side portion of the elastic hook stopper piece 7 adjacent to the elastic hook stopper piece 7. The hook portion is formed by forming the hook portion.

The opening / closing lid main body 3 configured as described above is formed into a predetermined shape by forming the metal plate such as tin plate into a shape as shown in FIG. Formed by processing.

The packing 4 is formed on the outer periphery of the packing body 8, a packing body 8 formed of a synthetic resin material, an eight-shaped seal portion 9 integrally formed on the lower surface of a portion near the outer periphery of the packing body 8. Opened / closed lid body 3
It is composed of an inward locking piece 10.

"Operation of the Embodiment of the Present Invention" The opening / closing lid 1 having the above-described configuration is formed in a curved hook bolt shape below the cutout portion 6 of the opening / closing lid main body 3 and thus forms the bending. The lower portion of the convex portion forms a wall near the lower entrance of the cutout portion. Then, even if the elastic hooking piece of another opening and closing lid enters the notch, it will hit the wall immediately and be stopped, and if it moves further, it will come off, and even if the notch and the notch mesh with each other, the walls will immediately hit each other. It functions as if it is stopped and moves further.

That is, even if a large number of opening / closing lids are stored in the parts feeder, the elastic hook stoppers 7 and the notches 6 of the other opening / closing lids 1 do not enter or engage with each other in the notches 6 and the opening / closing lids can be operated together. It is possible to prevent the occurrence of problems in which the entanglement occurs.

"Different Embodiments of the Present Invention" Next, different embodiments of the present invention shown in FIGS. 4 to 10 will be described. In the description of these embodiments, the same components as those of the embodiment of the present invention will be designated by the same reference numerals and redundant description will be omitted.

(1) In the embodiment shown in FIG. 4 and FIG. 5, the main difference from the embodiment of the present invention is that the elastic hooking piece 7 of the opening / closing lid body 3 is held in the closed state and in the mounted state. Even if the opening / closing lid 1B configured in this way is the same, the sealing member 11 formed of a synthetic resin material that can be pushed into the mouthpiece portion 2 of the container to be attached is attached so as to cover the opening / closing lid body 3. The action effect is obtained, and the sealing effect is obtained.

(2) In the embodiment shown in FIG. 6 and FIG. 7, the main difference from the embodiment of the present invention is that the opening / closing lid main body 3B has a plurality of S-shaped notches 6B. Elastic hook piece 7B
In that point, the S-shaped notch 6B is formed by the elastic hooking piece.
The side curved portion of 7B has a concave shape, and the side curved portion of the adjacent elastic hooking piece 7B has a convex shape of substantially the same shape that enters the concave shape, and the lower portion of the notch portion 6B has a curved shape. ing.
Similar effects can be obtained even with the opening / closing lid 1C using the opening / closing lid main body 3B thus formed.

(3) In the embodiment shown in FIGS. 8, 9 and 10, the main difference from the embodiment of the present invention lies in the main body of the opening / closing lid.
3C has a notch 6C in a "dogleg shape" or "crank shape"
(In this embodiment, a plurality of elastic hook-stop pieces 7C are formed in the shape of "dogleg"), and the dogleg-shaped notch 6C has an acute angle on the side of the elastic hook-stop piece 7C. A concave shape is formed, and the side portion of the adjacent elastic hooking piece 7C is formed into a convex shape of substantially the same shape that enters the concave portion so that the lower side of the cutout portion 6C has a shape with an acute curve. I have to. ing. Even if the opening / closing lid 1D using the opening / closing lid main body 3C thus formed is used, the same operational effect can be obtained.

In the embodiment of the present invention described above, the opening / closing lid is configured by using the packing made of the synthetic resin material, but the present invention is not limited to this, and the opening / closing lid is formed by using the packing formed of cardboard or foam material. May be configured.

"Effects of the present invention" As is apparent from the above description, in the present invention, a plurality of elastic hook stoppers that lock the mouthpiece portion of the container so as to elastically grip the base portion of the circular upper wall. Formed downward on the outer periphery,
A notch formed of a space for separating the elastic hook-stop pieces from each other is formed between the elastic hook-stop pieces, and the elastic hook-stop pieces are formed by forming a substantially central portion of the upper wall into a concave shape or a convex shape. In an opening / closing lid that can be opened and closed, a concave portion formed by cutting is formed on a side portion of an elastic hooking piece so that a lower portion of the cutout portion draws a curve, and the elastic hooking piece adjacent to the elastic hooking piece is formed. Since a convex portion that enters the concave portion is formed on the side portion of, the following effect is obtained.

That is, since the lower portion of the cutout portion is formed into, for example, a curved hook bolt shape, the lower portion of the convex portion forming the bend forms a wall near the lower entrance of the cutout portion. Then, even if the elastic hooking piece of another opening / closing lid enters the notch, it will immediately hit the wall and be stopped, and if it moves further, it will come off, and even if the notch and the notch mesh with each other, the walls will immediately hit each other. It functions as if it is stopped and moves further, so even if a large amount of opening / closing lid is stored in the parts feeder, elastic hook stoppers and notches of other opening / closing lids can get in or mesh with each other in the notches. Without
It is possible to prevent a problem in which the open / close lids are entangled with each other.

Therefore, it is possible to reliably prevent defective products from being generated in the parts feeder, and it is possible to efficiently attach the opening / closing lid.

Also, the shape of the cutout is hook bolt shape, S-shape,
Since it can be formed into a dogleg shape, a crank shape, or the like, the design can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention, FIG. 2 is a partial cross-sectional view showing a mounting state of the present invention, and FIG. 3 is an explanatory view showing a state punched to form an opening / closing indigo body. , FIG. 4 and FIG. 5, FIG. 6 and FIG. 7, FIG. 8, FIG.
10 is an explanatory view showing a different embodiment of the present invention,
FIG. 11 is an explanatory view of a punched state to form a conventional opening / closing lid main body, and FIG. 12 is a conventional explanatory view. 1, 1B, 1C …… 2 open / close lid 2 …… mouthpiece part 3, 3B, 3C …… open / close lid body 4 …… packing 5 …… upper wall 6, 6B, 6C …… notch section 7, 7B, 7C …… Elastic hook stopper 8 …… Packing body 9 …… Seal part 10 …… Locking piece 11 …… Sealing member

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Bibliography Sho 53-66450 (JP, U) Shoko 9-10542 (JP, Y1)

Claims (1)

(57) [Claims] 1. A plurality of elastic hook-stop pieces, which are locked so as to elastically grip a mouthpiece portion of a container, are formed downward on the outer periphery of a circular upper wall, and the elastic hook-stop pieces are arranged between the elastic hook-stop pieces. An opening / closing lid main body which is formed with a notch formed of a space for separating the elastic hook-stop pieces, and in which the elastic hook-stop pieces can be opened and closed by forming a substantially central portion of the upper wall into a concave shape or a convex shape. In the provided opening / closing lid, a concave portion formed by cutting is formed on the side portion of the elastic hook stopper so that the lower side of the cutout portion draws a curve, and the side portion of the elastic hook stopper piece adjacent to the elastic hook stopper piece is formed. An opening / closing lid, characterized in that a convex portion is formed in the concave portion.