JPH0447081Y2 - - Google Patents

Description

[Detailed Description of the Invention] <<Industrial Application Field>> The present invention relates to the opening and closing structure of containers, and more specifically, the invention relates to the opening and closing structure of containers, and more specifically, the invention relates to the opening and closing structure of containers. This relates to the opening/closing structure.

《Prior art》 Conventionally, this type of container was used, for example, in the 1980s.
As shown in No. 65243, a ring-shaped engagement protrusion is formed along the circumferential direction on the circumferential surface of the reduced-diameter flange portion at the upper end of the cylindrical container body, and the inner circumferential surface of the lid body is Ring-shaped engagement protrusions are also formed at predetermined positions along the circumferential direction. Then, the lid body occupies the closed position by engaging the two engaging protrusions with each other.

Further, a cylindrical operating lever with an open top and bottom is mounted on the outer circumferential surface of the lid body so as to be relatively movable up and down. The lower end of the operating lever is formed with a number of operating pieces that extend radially inward, while the lower end of the flange of the container body is formed with a stepped portion that projects radially outward. ing. The lower surface of the tip of the actuating piece is in contact with the stepped portion, and the upper surface of the tip is in contact with the lower end of the lid.

To open the lid, first, while gripping the container body with one hand, grip the side surface of the operating lever with the other hand. Then, move the hand holding the operating lever downward. Then, the operating lever moves downward, and the actuating piece of the operating lever also tries to move down, but the lower surface of its tip abuts against a step formed in the container body, preventing its movement. The tip of the piece eventually rises relative to the operating lever, and the actuating piece itself becomes slanted upward. As a result, the top surface of the tip of the actuating piece pushes up the lower end of the lid, and the engagement between the lid and the container body is released.

<<Problems to be solved by the invention>> However, the conventional container opening/closing structure described above has various problems as shown below.

That is, first of all, in addition to the lid and the container body, a component called an operating lever is required, and the operating lever must be attached to the lid so that it can be moved up and down and cannot be removed, resulting in a complicated structure and an increase in the number of parts. This also results in higher costs. In addition, precision is required in the positional relationship between the engaging protrusions formed on the lid and the container body, as well as the operating piece of the operating lever and the step formed on the container body and the lower end of the lid. Manufacturing and assembly become extremely complicated.

Moreover, not only the force to simply press down the operating lever but also the force to grip the operating lever is required, and a large amount of force is required when opening the operating lever.

Moreover, the grip force is in the horizontal direction, and the force to move the control lever is in the vertical direction.As the directions of both forces are different, it is not only difficult to operate, but also makes it difficult to grasp the control lever when moving it downward. Your hand is slippery, and if you don't grip it firmly, your hand will come off the control lever and you won't be able to open the lid. As a result, a large force is required to grip the operating lever, and an even larger force is required when opening the operating lever.

Furthermore, when moving the control lever downward,
It would be good if the hand holding the operating lever could be moved straight down, but in order to do so, the hand must first be held horizontally, and the arm must be moved straight down with the wrist completely fixed. Not only does it require a lot of time, but it also requires a lot of nerve. If even one of the above three conditions cannot be performed, a force in a rotational direction in a vertical plane is applied to the container, which may cause the container to topple over. Therefore, in practice, in order to prevent the container from tipping over, it is necessary to work with both hands (grasp the main body of the container with one hand and the operating lever with the other hand). Bad sex.

The present invention was developed in view of the above-mentioned circumstances, and its purpose is to create a container that has a simple structure, can be manufactured at low cost, and whose lid can be attached and detached with an extremely simple one-touch operation. The purpose is to provide an opening and closing structure.

<Means for Solving the Problems> In order to achieve the above object, the container opening/closing structure according to the present invention includes a cylindrical container body and a cylindrical lid fitted onto the container body from above. In a container consisting of a relatively thick body for storing the contents,
It has a relatively thin flange part formed at the upper part of the body part with an outer diameter one size smaller than the outer diameter of the body part, and a horizontal shoulder part formed between the body part and the flange part to connect them. a container body, and fittings that are formed protruding from the outer peripheral side surface of the flange portion at intervals along the circumferential direction thereof and that are fitted to the inner peripheral side surface of the lid body in order to fit the lid body to the container body; A mating convex strip is formed on the horizontal shoulder at three locations that protrude upward at approximately equal intervals in the circumferential direction, and when the lid is fitted, the lid, the flange, and the horizontal shoulder are connected to each other. The lower edge of the lid is brought into contact to form a gap therebetween, and the upper peripheral edge of the lid other than the contact position is pressed toward the horizontal shoulder, so that the fitting It is characterized by comprising a rib that tilts the lid to release the fitting between the mating protrusion and the inner circumferential side surface of the lid.

<<Operation>> In the closed position where the inner peripheral side of the cylindrical lid is fitted into the fitting protrusion on the outer peripheral side of the flange portion of the container body, and the lid is fitted to the container body, the ribs and the fitting Due to the mating ridges, gaps are formed between the lower edge of the lid and the horizontal shoulder of the container body, as well as between the lid and the flange.

To release the lid from this state, press the upper peripheral edge of the lid other than the position where the lower edge of the lid contacts the rib toward the horizontal shoulder. Then, the ribs located on both sides of the pressed area act as a fulcrum,
The lid tries to tilt. At this time, as mentioned above, gaps are formed between the lid and the horizontal shoulder and periphery of the flange of the container body, so
When the lid body is allowed to tilt, the fitting protrusion and the inner circumferential side surface of the lid body are disengaged from each other on the side opposite to the pressing location, and the lid body can be released.

That is, the fitting can be easily released by simply pressing a predetermined position on the lid, and the lid can be opened with a single touch with a small force without requiring the force of gripping the operating lever as in the conventional case.

<<Examples>> Hereinafter, preferred embodiments of the container opening/closing structure according to the present invention will be described in detail with reference to the accompanying drawings.

1 and 2 show a container according to a first embodiment of the present invention, which includes a cylindrical container body 1 with an open upper end, and a cylindrical body fitted into the container body 1 from above. It consists of a lid body 2 of a shape. The container body 1 has a relatively thick body 3 for storing contents, and the upper end of the body 3 has an outer diameter that is one size smaller than the outer diameter of the body 3. A relatively thin annular flange portion 4 is integrally molded upright, and the outer circumferential surfaces of the body portion 3 and the flange portion 4 are connected via a horizontal shoulder portion 5, and the inner circumferential surfaces thereof are flush with each other. is formed. Furthermore, fitting protrusions 6 are formed protruding from the outer peripheral side surface of the flange portion 4 at three locations at approximately equal intervals along the circumferential direction. In order to fit the lid 2 onto the container body 1, the fitting protrusion 6 is detachably fitted onto the inner peripheral side surface of the lid 2.

That is, the lid body 2 is composed of a top surface portion 7 having substantially the same planar shape as the container body 1, and a peripheral wall 8 that is integrally formed to hang down from the outer peripheral edge of the top surface portion 7. Furthermore, a groove 10 is formed on the inner circumferential side of the peripheral wall 8 to fit into a fitting protrusion 6 formed on the flange portion 4 of the container body 1. and,
When the lid 2 is placed over the flange portion 4, the groove 10 on the inner circumferential side of the peripheral wall 8 of the lid 2 fits into the fitting protrusion 6 of the container body 1, and the lid 2 is placed in the closed position. It's summery.

In the present invention, three rectangular ribs 9 are formed upwardly projecting on the horizontal shoulder 5 of the container body 1 at approximately equal intervals along the circumferential direction. Each rib 9 is arranged at an intermediate portion between the mating protrusions 6. These ribs 9 are brought into contact with the lower edge of the peripheral wall 8 of the lid 2 in order to form a gap between the lid 2, the flange 4, and the horizontal shoulder 5 when the lid 2 is fitted. In response to the peripheral edge of the top surface portion 7 of the lid body 2 other than the contact position being pressed toward the horizontal shoulder portion 5, the fitting protrusion 6 and the inner circumferential side surface of the peripheral wall 8 of the lid body 2 are engaged. The lid body 2 is configured to be tilted in order to release the lid. Lid body 2, flange part 4 and horizontal shoulder part 5
To explain specifically about the gap formation between
These ribs 9 have inner surfaces integrated with the outer circumferential side of the flange portion 4 and are formed lower than the flange portion 4 . When the lid 2 is fitted, the lower edge of the peripheral wall 8 of the lid 2 comes into contact with the upper end of the rib 9 to prevent the lid 2 from descending, and the horizontal shoulder 5 and the peripheral wall 8 A gap is formed between the lower edge of the lid 2 and a gap is also formed between the lower side of the top surface 7 of the lid 2 and the upper edge of the flange 4. Further, a gap is also formed between the inner circumferential side surface of the peripheral wall 8 of the lid body 2 and the outer circumferential side surface of the flange portion 4 due to the fitting protrusion 6 .

Note that the rib 9 may be formed so that its outer surface is flush with the outer peripheral surface of the body 3 of the container body 1. Alternatively, the rib 9 may be formed from a pair of protrusions 9a-9a with a central portion cut out, as shown in FIG. 2b.

Next, the operation in this embodiment will be explained. In order to remove the fitting between the lid 2 and the container body 1 from the closed position of the lid 2 as shown in FIG. 3, the lid 2 can be removed. As shown in FIG. 4, the peripheral edge of the top surface 7 of the lid 2, excluding the area above the rib 9 provided on the container body 1, may be pressed downward toward the horizontal shoulder 5. and preferably two ribs 9
-9 (in this embodiment, above the fitting protrusion 6) is pressed. That is, when the peripheral edge of the top surface part 7 is pressed downward, the ribs 9-9 located on both sides of the pressed area serve as fulcrums, the lid 2 is tilted, and the opposite side of the lid 2 is raised. Then, as shown in FIG. 4, the two fitting protrusions 6 located on the opposite side of the pressing and the corresponding grooves 10 formed on the inner peripheral side of the peripheral wall 8 of the lid body 2 are disengaged. , the fitting between the lid 2 and the container body 1 is released, and the lid 2 can be removed.

In particular, in this embodiment, since the lower edge of the peripheral wall 8 of the lid 2 is in contact with the rib 9 of the horizontal shoulder 5, the width of the peripheral wall 8 of the lid 2 is smaller than the width of the horizontal shoulder 5. By setting the wall thickness of the portion small, the outer shape of the lid 2 can be accommodated within the dimensions of the body 3 of the container body 1, which does not impair the appearance of the container and is structurally preferable for packaging.

In addition, release of the fitting between the lid body 2 and the container body 1,
Since the fitting friction between the fitting protrusion 6 and the concave groove 10 can be ensured by simply cutting, the lower engagement protrusion can overcome the upper engagement protrusion as in the conventional structure. Thus, the lid body 2 does not fly off when unfitting, and the operability is extremely good.

It would be more convenient if characters such as "PUSH" were printed in advance, as shown in FIG. 1, so that the user would not press the wrong place.

5 and 6 are perspective views showing a second embodiment of the present invention.

This second embodiment differs from the above-mentioned first embodiment in that
The fitting protrusion 6 is integrally formed to protrude from the upper center of a rib 9 provided on the horizontal shoulder 5 of the container body 1.

According to this embodiment, when opening the lid body 2, two
Lid body 2 located above the middle part of two ribs 9-9
When the peripheral edge of the top surface part 7 is pressed, it becomes easier to push because there is no fitting protrusion 6 below the pressing part, and the fitting protrusion 6 is placed at the position on the opposite side where it acts.
is located, the force that urges the lid body 2 upward is 1
Since the force is applied directly to the two fitting protrusions 6, the lid body 2 can be removed with a smaller force.

Note that the other structures and operations are the same as those of the first embodiment, so their explanation will be omitted.

Further, the opening/closing structure of the lid body according to the present invention can be applied not only to cylindrical containers but also to rectangular containers. Figures 7 and 8 show an example,
In this container, ribs 9 are formed upright at the center of the upper surface of horizontal shoulders 5 on each side of the container body 1 having a triangular planar shape, and a fitting protrusion 6 is integrally formed at the center of the upper end of each rib 9. is forming.

When removing the lid 2 from this container, it is only necessary to press downward on the apex of the triangle on the top surface 7 of the lid 2. Therefore, there is no risk that the user presses the wrong place, and it is also necessary to press the vertex of the triangle downward. Since the lid body 2 can be opened even when pressed, operability is improved.

Alternatively, as shown in FIGS. 9 and 10, a container may be used in which each vertex of the triangular container is cut off and chamfered. In this case, since the pressing point is chamfered, it becomes easier to press.

The other structures and functions of the two embodiments described above are the same as those of the first and second embodiments described above, so their explanation will be omitted.

Further, in the above embodiment, the fitting between the lid 2 and the flange portion 4 of the container body 1 is achieved through the groove 10 provided on the inner circumferential surface of the peripheral wall 8 of the lid 2 and the fitting provided on the container body 1. However, the present invention is not limited to this, and for example, without providing a groove on the inner circumferential surface of the peripheral wall 8 of the lid body 2, it is possible to directly fit the protrusion 6. It is also possible to press-fit the inner peripheral surface of the peripheral wall 8.

<<Effects of the invention>> As described above, according to the opening/closing structure of the container according to the present invention, the lid is held on the container body by fitting, so the lid can be easily moved when carried, etc., like the conventional one. There is almost no risk of the lid coming off accidentally, and when removing the lid, press the top edge of the lid other than the area where the bottom edge of the lid contacts the rib toward the horizontal shoulder. This is an extremely easy and simple one-touch operation that simply cuts the mating friction between the mating protrusion and the inner circumferential surface of the lid, and the mating can be released with a small amount of force by utilizing the lever action. Therefore, the lid body can be attached and detached smoothly.

Furthermore, since the force required to open the lid is only in one direction where it is easiest for humans to apply force, there is no need for unnecessary force and the lid can be opened with a small amount of force.

Moreover, when opening the lid, it is only necessary to press the lid itself, so that the fingers do not slip off when pressing, and the operability is improved.

In addition, since the structure is only the container body and the lid, the structure is simple, the number of parts is small, the assembly work is very simple, and the product can be manufactured at low cost.

Furthermore, since the ribs are formed at three equal intervals, pressing points can be set at a plurality of three positions, and the stability of the closed state of the lid body is improved when the lid body is attached.

Also, given the structure in which the lower edge of the lid comes into contact with the ribs of the horizontal shoulder, if the thickness of the cylindrical portion of the lid is set smaller than the width of the horizontal shoulder, the lid The outer shape can be accommodated within the size of the body of the container body, and the appearance of the container is not impaired, and the structure is also preferable for packaging.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing the opening/closing structure of a container according to an embodiment of the present invention, FIG. 2a is a perspective view of the main body of the container, and FIG. FIG. 3 is a sectional view of the container in the closed state, FIG. 4 is a sectional view showing the lid in a pressed state, and FIG. 5 is an opening/closing structure of the container according to the second embodiment of the present invention. FIG. 6 is a perspective view of the container main body of the container, FIG. 7 is a perspective view showing the opening/closing structure of a container according to still another embodiment of the present invention, and FIG. 8 is a perspective view of the container main body of the container. FIG. 9 is a perspective view showing an opening/closing structure of a container according to still another embodiment of the present invention, and FIG. 10 is a perspective view showing the main body of the container. 1... Container body, 2... Lid, 3... Body, 4
...flange part, 5...horizontal shoulder part, 6...fitting protrusion, 7...top surface part, 9...rib.

Claims (1)

[Scope of Claim for Utility Model Registration] A container consisting of a cylindrical container body and a cylindrical lid fitted onto the container body from above, with a relatively thick body for storing contents; It has a relatively thin flange part formed at the upper part of the body part with an outer diameter one size smaller than the outer diameter of the body part, and a horizontal shoulder part formed between the body part and the flange part to connect them. a container body, and fittings that are formed protruding from the outer peripheral side surface of the flange portion at intervals along the circumferential direction and that are fitted to the inner peripheral side surface of the lid body in order to fit the lid body to the container body; A mating protrusion is formed on the horizontal shoulder at three locations that protrude upward at approximately equal intervals in the circumferential direction, and when the lid is fitted, the lid, the flange, and the horizontal shoulder are connected to each other. The lower edge of the lid is brought into contact to form a gap therebetween, and the upper peripheral edge of the lid other than the contact position is pressed toward the horizontal shoulder, so that the fitting An opening/closing structure for a container, comprising: a rib for tilting the lid to release the fitting between the mating protrusion and the inner circumferential side surface of the lid.