JP6886157B2 - trash can - Google Patents

Description

The present invention relates to a trash can, and more particularly to a sealing mechanism of a trash can lid having a lid that can be opened and closed with respect to the trash can body.

A trash can is known in which a lid having a hinge portion at one end and a lock portion at the other end is provided to open and close the upper opening of the trash can body so as to be openable and closable (for example, Patent Document 1).

In the above-mentioned trash can, the lid is opened and closed while holding the trash to be discarded in the trash can in one hand. I have to.

In order to apply the urging force in the opening direction to the lid, a metal spring for applying the urging force is required in addition to the shaft for rotation. In this case, the structure around the shaft becomes complicated, but in order to make it easier to wash the dirty trash can body as a whole, it is desirable that the structure on the trash can body side is as simple as possible.

Therefore, the conventional trash can has a lid frame that fits outside the opening edge of the trash can body, and the lid frame is rotatably provided on the lid frame and a structure that gives the lid body an urging force in the opening direction is adopted. Was there. For example, in Patent Document 1,
"A frame body 3 having a raised trailing edge is formed on the upper edge of the opening of the container 1, and a lid 5 is pivotally attached to the trailing edge of the frame by constantly applying an opening force via a spring member 8. An automatic opening / closing lid is provided so that the locking protrusion 10 provided on the front edge portion of the lid is engaged with and disengaged from the locking mechanism 11 provided at a position facing the front edge portion of the frame body. "
~ The trash can is disclosed.

Microfilm of Jitsugyo No. 59-4530 (Jitsukaisho No. 60-115857)

According to the above-mentioned known invention, the structure on the main body side of the trash can is simplified. However, since a lid frame is required as a member in addition to the trash can main body and the lid body, there is a problem that the manufacturing cost increases.

Furthermore, since the lid frame with the lid is simply placed on the trash can body, it is sealed with the outside air like a trash can for disposing of kitchen waste, diapers, and tissues from which pet excrement has been wiped off. There was a problem that it could not be used as a required trash can.

In view of the above problems of the prior art, the present invention has been created for the purpose of providing a trash can having a simple mechanism and sufficient airtightness.

That is, the trash can of the present invention has a lid that can be opened and closed up and down with one end as a hinge portion and the other end as a lock portion with respect to the upper opening of the trash can main body, and the lid is provided with an urging force in the opening direction. In the above, the hinge piece is rotatably projected at one end of the lid body, and an insertion recess into which the hinge piece can be inserted is recessed at one upper end of the trash can body to form a hinge portion. An annular fitting portion that fits with each other when the lid is covered is provided in each of the inside from the mounting location and the inside from the above-mentioned insertion recess on the upper part of the trash can body, and the fitting portion on the lid side or the trash can body side. It is characterized in that a packing is internally provided in the fitting portion of the lid.

Further, according to the second aspect of the present invention, in the trash can, the fitting portion on the lid side is an annular groove, a packing is internally provided in the groove portion, and the fitting portion on the main body side is an annular protrusion. It is characterized by the fact that

Further, according to the third aspect of the present invention, in the above-mentioned trash box, the hinge piece has a structure in which side plates are erected on both sides of the front plate, shafts are projected from the inside and outside of each side plate end, and the outer shaft is a lid. It is used to pass through the shaft holes of the bearing wall on both sides of the rotation allowance of one end of the hinge recessed at the end of the body, and the inner shaft has one end on the front plate of the hinge piece and the other end on the lid. By using it to externally insert the coil part of the torsion coil spring that comes into contact with the lid, the hinge piece is rotatably projected at one end of the lid, and the hinge piece tries to rotate horizontally with the lid. It is characterized by giving an energizing force.

Further, according to the fourth aspect of the present invention, in the trash can, holes are provided on both sides of the bottom of the insertion recess into which the hinge piece of the trash can body is inserted, and holes through which the side plate ends on both sides of the inserted hinge piece penetrate are provided. It is characterized in that a locking projection that locks to the edge of the hole when penetrating is provided on either the front or back of the end.

According to the trash can of the present invention, a hinge piece is rotatably projected at one end of the lid, and an insertion recess into which the hinge piece can be inserted is recessed at one upper end of the trash can body to form a hinge portion. Therefore, the structure on the side of the trash can body is simplified, and the effect of facilitating washing of the trash can body with dirt can be obtained.

Further, since the lid frame is not required due to the above configuration, the effect of reducing the manufacturing cost can be obtained.

Further, an annular fitting portion that fits with each other when the lid is covered is provided in each of the inside from the attachment point of the hinge piece of the lid and the inside from the insertion recess on the upper part of the trash can body, and is provided on the lid side. Since the packing is installed inside the fitting part or the fitting part on the main body side of the trash can, it can be a trash can with a high degree of airtightness, and both opening and closing with one touch and having airtightness are required. A trash can that is ideal for applications such as disposing of trash, diapers, and tissues that have been wiped from pet excrement will be realized.

Next, according to the invention of claim 2, the fitting portion on the lid side is an annular groove, the packing is internally provided in the groove portion, and the fitting portion on the main body side is an annular ridge. Therefore, the packing required for sealing is located on the lid side and not on the trash can body side, and the annular groove for fitting is located on the lid side and the body side is a ridge, so dirt adheres. When washing the whole body of the trash can, it is easy to wash because there is no packing, and there is no risk of water collecting there because there is no annular groove.

Next, according to the invention of claim 3, the hinge piece has a configuration in which side plates are erected on both sides of the front plate, shafts are projected from the inside and outside of each side plate end, and the outer shaft is the end of the lid. It is used to pass through the shaft holes of the bearing wall on both sides of the rotation allowance of one end of the hinge recessed in the portion, and the inner shaft abuts one end on the front plate of the hinge piece and the other end on the lid. By using it to externally insert the coil part of the torsion coil spring, the hinge piece is rotatably projected at one end of the lid, and the hinge piece is urged to rotate horizontally with the lid. Therefore, the mechanism is very simple, and a member other than the torsion coil spring is not required in addition to the hinge piece obtained by one molding, and the effect of reducing the manufacturing cost can be obtained.

Next, according to the invention of claim 4, holes are provided on both sides of the bottom of the insertion recess into which the hinge piece of the trash can body is inserted, through which the side plate ends on both sides of the inserted hinge piece penetrate, and the side plate ends are provided. Since a locking protrusion that locks to the edge of the above hole when penetrating is provided on either the front or the back, the lid is securely fixed to the trash can body by the locking protrusion of the hinge piece, so that the lid is carelessly fixed to the trash can. It is prevented from coming off the main body.

The perspective view of the trash can of the present invention with the lid open. Same as above, perspective view with the lid closed. Same as above, perspective view of the trash can body Same as above, exploded perspective view of the lid. Same as above, a perspective view showing the relationship between the lid, the hinge piece, and the trash can body. Same as above, exploded perspective view with the lid. Same as above, bottom view of the lid. Same as above, top view of the trash can body.

Hereinafter, specific examples of the trash can of the present invention will be described with reference to the accompanying drawings. 1 and 2 are diagrams showing an example of a trash can in which the present invention is carried out. This trash can is obtained by molding plastic, and a lid 10 having a hinge portion at one end and a lock portion at the other end is provided on the upper opening 1A of the trash can main body 1 so as to be openable and closable up and down. It consists of a basic structure that gives the body an urging force in the opening direction.

The hinge portion is configured by rotatably projecting a hinge piece 20 at one end of a lid 10 and recessing an insertion recess 3 into which the hinge piece can be inserted at one upper end of a trash can body 1. ..

In this embodiment, the hinge piece 20 has side plates 23 and 23 erected on both sides of the front plate 20A, and the shafts 21 and 21 project from the inside and outside of the respective side plate ends. The outer shaft is used for axially passing through the shaft holes 14 and 14 of the bearing walls 13 and 13 on both sides of the rotation allowance 10A of one end of the hinge recessed in the end of the lid 10. The shaft is used to externalize the coil portions of the torsion coil springs 22 and 22 whose one end is in contact with the front plate 20A of the hinge piece and the other end is in contact with the lid, so that the hinge piece 20 is rotated to one end of the lid. It is used as a means for projecting the hinge piece so as to be movable and for giving an urging force to the hinge piece so as to rotate in the horizontal direction with the lid (see FIGS. 4 to 7).

Further, here, a pair of holes 5 and 5 through which the side plates 23 and 23 ends on both sides of the inserted hinge piece are provided on both sides of the bottom of the insertion recess 3 into which the hinge piece 20 of the trash can body 1 is inserted are provided, and the side plates are provided. By providing locking projections 23A and 23A on the front side of the end that lock on the edge of the hole when penetrating, the hinge inserted into the trash can body is prevented from coming off.

The lock portion is a recess 35 in which an inverted L-shaped unlocking operation piece 33 having a pressing portion on the top plate and a locking portion 34 for the trash can body 1 on the hanging plate is recessed at one end of the lid 10. The locking portion is rotatably fixed to the shaft, and the locking portion is freely locked in the locking hole of the locking arch portion 36 erected at the front end of the peripheral edge of the upper opening of the trash can body.

In the present invention, a mechanism for rotating the lid is provided not on the trash can body 1 side but on the lid 10 side, and a mechanism such as a shaft for rotation and a metal spring for applying a urging force is provided on the lid. It is not provided directly on the 10 but is housed in the hinge piece 20 as described above. Therefore, not only the upper edge of the trash can main body 1 but also the structure of the back surface of the lid 10 is not complicated, and it is possible to provide a fitting structure for sealing by making the best use of it.

The structure for sealing is an annular fitting portion 12 that is erected inward from the attachment portion of the hinge piece 20 on the back surface of the lid 10, which is fitted to each other via packing when the lid is covered. And, it is composed of an annular fitting portion 2 that is erected inward from the insertion recess 3 of the hinge piece on the upper part of the trash box main body 1. Here, the fitting portion on the lid side is an annular groove. , The packing P is internally provided in the groove portion, and the fitting portion on the main body side is an annular ridge.

In FIGS. 1 and 3, reference numeral 6 in the drawing is a frame body detachably arranged so as to sandwich the opening peripheral edge of the plastic film garbage bag between the trash box main body 1 and the inner circumference thereof.

1 Recycle bin body 2 Fitting part 3 Insertion recess 4 Recess 5 hole 6 Frame body 10 Lid body 12 Fitting part 13 Bearing wall 14 Shaft hole 20 Hinge piece 20A Front plate 21 Axis
22 Torsion coil spring 23 Side plate 23A Locking protrusion 33 Unlocking operation piece 34 Locking part 35 Recessed P packing

Claims (3)

With respect to the upper opening of the trash box body, the lid is provided so that it can be opened and closed up and down with one end as a hinge and the other end as a lock. The piece is rotatably projected, and an insertion recess into which the hinge piece can be inserted is recessed at one upper end of the trash box body to form a hinge part, which is inside the trash box from the attachment point of the hinge piece on the lid. An annular fitting portion that fits with each other when the lid is covered is provided inside each of the above insertion recesses on the upper part of the main body, and a packing is placed inside the fitting portion on the lid side or the fitting portion on the trash box main body side. The hinge piece consists of side plates erected on both sides of the front plate, and the shafts are projected from the inside and outside of each side plate end, and the outer shaft is the hinge piece end recessed in the end of the lid. It is used to pass through the shaft holes of the bearing walls on both sides of the rotation allowance, and the inner shaft is externally fitted with the coil part of the torsion coil spring that makes one end abut on the front plate of the hinge piece and the other end abuts on the lid. A trash box characterized by rotatably projecting a hinge piece at one end of the lid and giving the hinge piece an urging force to rotate horizontally with the lid. .. The trash can according to claim 1, wherein the fitting portion on the lid side is an annular groove, a packing is internally provided in the annular groove, and the fitting portion on the main body side is an annular ridge. On both sides of the bottom of the insertion recess into which the hinge piece of the trash can body is inserted, holes are provided through which the side plate ends on both sides of the inserted hinge piece penetrate, and at the edge of the hole when penetrating either the front or back of the side plate end. The trash can according to claim 2, which is provided with a locking projection for locking.

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