JP5191853B2 - Degassing container - Google Patents

Description

  The present invention relates to a degassing container that discharges gas generated in a sealed container to the outside of the container.

As a degassing container, a slight gap is formed between the container and the lid (for example, refer to Patent Document 1), or a slight air passage is formed in the top surface of the lid (for example, Patent Document 2). A gas venting container in which an air flow passage is formed and gas generated in the container is discharged to the outside is known.
Japanese Utility Model Sho 63-102662 Japanese Utility Model Sho 63-197861

  However, in the gas venting container described in the above-mentioned patent document, since the air flow passage is maintained in the open state, there is a problem that outside air may enter the container and the inside of the container cannot be kept sealed. It was.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a gas venting container that discharges a gas generated in a container and normally keeps the inside of the container sealed in order to solve the above problems.

In order to solve the above problems, the present invention provides a degassing container comprising a container main body and a lid attached to the container main body as a degassing container, wherein the lid is on the top wall and the outer edge of the top wall. An outer cylinder fitted to the mouth tube portion of the container body to be suspended, the top wall is connected to the ring upper wall on the outer edge side and the inner edge of the ring upper wall, and the lower surface is the mouth tube portion of the container body An inclined wall that engages with the upper inner periphery of the ring and an upper wall that is connected to the inner edge of the inclined wall, and is formed at a predetermined position on the ring upper wall in an arc shape concentric with the outer ring of the ring upper wall. A configuration is employed in which a slit is formed, and the upper ring wall is partitioned into a fixed wall portion on the outer edge side from the slit and a movable wall portion on the inner edge side from the slit.

  As an example of the ring upper wall, a plurality of slits formed in an arc shape in the ring upper wall are intermittently drilled at symmetrical positions on the upper surface of the ring upper wall, and the portion where the slit is not drilled is a connecting wall. The structure is characterized in that the portion is formed, or the lower surface of the movable wall portion is provided with an engaging ridge that is in contact with the upper end surface of the mouth tube portion of the container body. The configuration is adopted.

  In a degassing container comprising a container main body and a lid attached to the container main body, the top wall of the lid is an upper wall of the ring and an inclined wall whose lower surface engages with the inner peripheral upper part of the mouth tube portion of the container main body And the upper wall of the ring is provided with a slit at a predetermined position, and a fixed wall portion on the outer edge side from the slit and a movable wall portion on the inner edge side from the slit are partitioned. When the contents of the gas generate gas, the internal pressure rises to raise the inside of the movable wall and the movable wall of the top wall, discharge the gas to the outside, and then quickly return to the original state to seal the inside of the container The internal pressure in the container can be kept constant.

Next, embodiments of the present invention will be described with reference to the drawings.
As shown in FIG. 1, A is a container body, and B is a lid attached to the container body A.

The container body A includes a mouth tube part 1 and a body part 2, and a recessed part 3 for gripping the body part 2 by hand is disposed in a predetermined part of the body part 2.
On the outer periphery of the mouth tube portion 1, a fitting portion 4 that fits the lid B is provided.

  The lid B includes a top wall 5 and an outer cylinder 6 that is suspended from the outer edge of the top wall 5.

  The top wall 5 is a ring upper wall 7 on the outer edge side, and an inclined wall that is inclined downward toward the center from the inner edge of the ring upper wall 7 and whose lower surface engages with the inner peripheral upper portion of the mouth tube portion 1 of the container body A. 8 and an upper wall 9 connected to the inner edge of the inclined wall 8.

Two slits 10 are formed in a predetermined position on the ring upper wall 7 so as to form a substantially 90 ° arc shape at a symmetrical position when viewed from above.
The ring upper wall 7 is partitioned into a fixed wall portion 7a on the outer edge side of the slit 10 and a movable wall portion 7b on the inner edge side of the slit 10, and the slit 10 between the fixed wall portion 7a and the movable wall portion 7b. A connecting wall portion 7c is formed at a location where no hole is drilled.
On the lower surface of the movable wall portion 7b, an engaging ridge 11 having a lower end abutting on an upper end surface of the mouth tube portion 1 of the container main body A is suspended.

  A fitting portion 12 is provided on the inner periphery of the outer cylinder 6 to be fitted to the fitting portion 4 of the mouth tube portion 1 of the container body A, and a flange is provided at the lower end of the outer periphery of the outer tube 6. Yes.

  The fitting between the fitting portion 12 of the outer cylinder 6 of the lid body B and the fitting portion 4 of the mouth tube portion 1 of the container main body A is screw fitting in the drawing, but the user can arbitrarily attach the lid body. Can be opened and closed, and the fitting state can be maintained in the closed state, for example, an undercut fitting may be used, so the fitting portion 12 of the outer cylinder 6 of the lid B and the mouthpiece of the container body A The structure with the fitting part 4 of the part 1 is not limited to the structure of the fitting of drawing.

Next, the usage mode and effect of the container of the present invention will be described.
First, after filling the container body A with the contents, the lid B is mounted on the mouth tube portion 1 of the container body A.
When the lid B is attached, the lower surface of the engagement protrusion 11 provided on the lower surface of the inclined wall 8 of the top wall 5 of the lid B and the lower surface of the movable wall portion 7b of the ring upper wall 7 is the mouth of the container body A. Engage with the inner peripheral upper end and the upper end surface of the cylindrical portion 1 to seal the inside of the container as shown in FIG.

  After the inside of the container is sealed, when the gas is generated by the components of the contents, the internal pressure in the container increases.

In the container of the present invention, when the internal pressure increases to some extent, the upper wall 9 is pushed up from below, and the ring upper wall 7 together with the upper wall 9 through the inclined wall 8 as shown in FIG. The movable wall portion 7b is lifted.
At that time, the fixed wall portion 7a of the ring upper wall 7 is fixed by fitting the mouth tube portion 1 of the container main body A and the outer tube 6 connected to the fixed wall portion 7a. The connecting wall portion 7c near the portion is also slightly deformed, and only the inner side of the movable wall portion 7b of the top wall 5 is lifted.

  When only the inner side of the movable wall portion 7b of the top wall 5 is lifted, the engagement protrusion 11 provided on the lower surface of the inclined wall 8 of the top wall 5 of the lid B and the lower surface of the movable wall portion 7b of the ring upper wall 7. Are separated from the inner peripheral upper end and the upper end surface of the mouth tube portion 1 of the container body A to form a gap, and the gap serves as a flow path for the gas generated in the container, and is opened to the outside through the slit 10. Discharged.

  When the generated gas is discharged to the outside, the internal pressure in the container returns to normal, there is no force to press the upper wall 9 from below, and the top wall 5 is quickly restored by the restoring force of the connecting wall portion 7c of the lid B. The inner wall of the ring upper wall 7 is returned to the lower side, and the engagement is provided again on the lower surface of the inclined wall 8 of the top wall 5 of the lid B and the lower surface of the movable wall portion 7b of the ring upper wall 7. The lower end portion of the protrusion 11 engages with the inner peripheral upper end portion and the upper end surface of the mouth tube portion 1 of the container main body A, and the inside of the container is sealed as shown in FIG.

In the container of the present invention, the connecting wall 7c near the end of the slit 10 of the lid B is slightly deformed and restored, so that after the lid B is attached and the inside of the container is sealed, gas is generated, Even if the internal pressure rises, only the inside of the movable wall portion 7b of the top wall 5 is lifted to discharge the gas to the outside, and the container can be quickly returned to the original state to seal the inside of the container. The inside state can be kept constant.
In addition, since the internal pressure rises in the container, the vertical movement inside the movable wall portion 7b of the top wall 5 is promptly performed, so that the outside of the container is not sucked in from outside and moisture is kept constant. Can be kept in.

In the above embodiment, the concave portion 3 for gripping the trunk portion 2 by hand is disposed in a predetermined portion of the trunk portion 2 of the container main body A. However, the diameter of the container main body to be easily gripped by hand, or If it is formed in a shape, it is not necessary to provide a separate recess.
Therefore, the shape of the trunk portion of the container body is not limited to the shape of the above embodiment.

In the above embodiment, the ring upper wall 7 of the top wall 5 of the lid B has two slits 10 formed in an arc shape of approximately 90 ° at a symmetrical position when viewed from above. If the fixed wall portion and the movable wall portion can be defined on the upper wall of the ring and a connecting wall portion that connects the fixed wall portion and the movable wall portion can be formed, the angle of the arc of the slit and the number of intermittently formed portions can be formed. Can have any setting.
The configuration of the slit formed in the upper ring wall of the top wall of the lid is not limited to the shape of the above embodiment.

  When the gas is generated and the internal pressure rises, the container of the present invention can lift the inside from the movable wall portion of the top wall of the ring of the top wall and discharge the gas to the outside. As long as the container can be sealed by returning to the state, as shown in FIG. 3, as shown in FIG. Only the outer side and the inner side may be partitioned as the fixed wall portion 16a and the movable wall portion 16b.

  When the internal pressure increases due to the generation of gas, the upper wall 18 is pressed from below, and only the movable wall portion 16B of the top wall 15 and the upper wall 18 and the inclined wall 19 on the slit 17 side are deformed and lifted. A gap is formed, and the gap becomes a flow path for the gas generated in the container and can be discharged outside through the slit 17. After the discharge, the movable wall portion 16 b and the upper wall 18 and the inclined wall on the slit 17 side are formed. By the restoring force of 19, it is quickly returned to the lower side, and the inside of the container can be sealed again.

  In the container of the present invention, after the lid is attached and the inside of the container is sealed, gas is generated, and even if the internal pressure in the container rises, a part of the lid moves up and down and the gas is discharged outside Since the container can be promptly returned to its original state and the inside of the container can be sealed, it can be widely used as a container for the contents of generating hair dyes, cosmetics, medicines, foodstuffs and other gases.

It is explanatory drawing of the degassing container of this invention, (a) is a top view, (b) is a partial cross section side view. It is a principal part enlarged view of a container, (a) is normal time, (b) is explanatory drawing at the time of a one part rise of a cover body. It is a top view of another Example of a degassing container.

Explanation of symbols

A container main body B lid 1 mouth tube part 2 body part 3 recessed part 4, 12 fitting part 5, 15 top wall 6 outer cylinder 7, 16 ring-shaped wall 7a, 16a fixed wall part 7b, 16b movable wall part 7c connecting wall Part 8, 19 Inclined wall 9, 18 Upper wall 10, 17 Slit 11 Engaging protrusion

Claims (3)

In a degassing container consisting of a container body and a lid attached to the container body,
The lid body includes a top wall and an outer tube that fits into a mouth tube portion of a container body that is suspended from an outer edge of the top wall,
The top wall is connected to the ring upper wall on the outer edge side, the inner edge of the ring upper wall, the lower surface is connected to the inner peripheral upper part of the mouth tube portion of the container body, and the inner wall is connected to the inner edge of the inclined wall. And the upper wall
A slit formed in an arc shape concentric with the outer circumference of the ring upper wall is drilled at a predetermined position on the ring upper wall ,
The degassing container, wherein the ring upper wall is partitioned into a fixed wall portion on the outer edge side from the slit and a movable wall portion on the inner edge side from the slit.
  A plurality of slits formed in an arc shape on the upper wall of the ring are intermittently drilled at symmetrical positions on the upper surface of the ring upper wall, and the portion where the slits are not drilled forms a connecting wall portion. The degassing container according to claim 1, wherein   The degassing container according to claim 1 or 2, wherein an engaging protrusion whose lower end is in contact with the upper end surface of the mouth tube portion of the container body is suspended from the lower surface of the movable wall portion.

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