JP3033979U - Storage container - Google Patents

Abstract

(57) Abstract: When sealing with a lock member, a downward rib of a lower surface of a lid body is pressed against an endless packing mounted in a peripheral groove portion of an upper edge of an opening of a container body to enhance a sealing effect. SOLUTION: An endless packing 4 is attached to a peripheral groove portion 2 at an upper edge of an opening 1 of a container main body A, and when a lid B is closed by a lock member R, a downwardly directed rib 11 is vertically provided on the entire lower surface of the lid B. Presses and seals the entire upper surface of the packing 4.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a storage container which uses a packing made of silicone rubber, vinyl chloride, etc. as a material and is sealed by a lock member. In particular, the packing has a downward rib and, if necessary, an upward rib in combination, in each direction. Therefore, the present invention relates to an improvement of a storage container suitable for foods and the like, which is crimped or compressed to improve hermeticity and moisture resistance.

[0002]

[Prior art]

 BACKGROUND ART Conventionally, a sealed container equipped with a packing is known to maintain and preserve the freshness of vegetables, fruits, edible powders, etc. (for example, Japanese Utility Model Publication No. 43-153 (synthetic resin container)). , JP-B-57-6332 (closed container)). It is recognized that the packing mounting structures that have been individually known from the past have achieved tentative results as intended. That is, in the case of the above case, the former is said to be capable of airtightly applying the lid as a result of the annular packing fitted to the peripheral portion of the inner lid being in close contact with the step formed on the upper side wall of the container body. The latter is said to have a sealed state because a packing such as an O-ring is equipped at the rising part of the lid where the main body and the lid are in contact with each other on the slope of the bottom throttle.

In addition, Japanese Utility Model Publication No. 59-3968 (closed container made of synthetic resin), Japanese Utility Model Publication No. 59-11894 (sealed container), Japanese Utility Model Publication No. 59-43238 (sealed container), Japanese Utility Model Publication No. 60-16517. The open / close lever, the sealing piece, and the lock as a mechanism corresponding to a lock member, although the names are different, from many prior arts such as Japanese Patent Publication [Synthetic Resin Sealed Container], Japanese Utility Model Publication No. 62-28175 [Lunch Box] The department etc. are disclosed. In these prior arts, the locking member is attached to the container body or the lid body, and the elasticity of the packing attached to the container body or the lid body is utilized to bring about the sealing effect.

Therefore, as a common matter of the above-mentioned prior art, as shown in FIG. 8, a facing structure in which the facing surface abutting the exposed packing upper surface is in a surface contact, so to speak, and a known locking member (not shown). No.) was used for sealing. However, according to the prior art, even if it is possible to secure a certain degree of hermeticity for a container having a relatively small volume of less than 4 liters, a container having a relatively large volume of about 4 liters to 15 liters is as intended. It was extremely difficult to secure the airtightness. In addition, as long as the configuration of the storage container according to the prior art is adopted, not only can the sealing performance of a large-capacity storage container not be expected, but as is known from experience, in the case of a rectangular storage container, especially when made of synthetic resin. , The corner area and any of the four sides are used for a long period of time, deformation or distortion may occur due to various external factors such as deterioration of material, environment of storage location, impact on handling, etc. The normal condition was lost, and the warping and loosening eventually led to the disappearance of the sealing effect, resulting in the decay and damage of the preserved food and the like due to the invasion of outside air and pests. Therefore, even if the conventional storage container structure is adopted, it is a technical problem that the original sealing property of the packing is enhanced and the moisture-proof effect is sufficiently exerted for a long time.

[0005]

[Problems to be solved by the device]

 In order to solve the above-mentioned problems, the present invention has a sealing effect particularly when the locking member is used for sealing, in which the downward rib of the lower surface of the lid body is pressed against the endless packing mounted in the circumferential groove portion of the upper edge of the container body opening. The purpose is to provide storage containers that are considered to be increased.

[0006]

[Means for Solving the Problems]

 As a concrete means of the storage container according to the present invention for achieving the above-mentioned object, an endless packing is attached to a peripheral groove portion of an upper edge of an opening of a container main body, and a lower surface of the lid is closed when a lid is closed by a lock member. It is characterized in that a downward rib extending vertically around the entire circumference crimps and seals the entire upper surface of the packing.

Further, the downward ribs are vertically provided on the entire circumference of the lower surface of the lid body so that when the lid is closed, a pressure contact degree is provided over the entire upper portion of the packing fitted in the circumferential groove portion. It may be possible to raise the pressure to enable crimping, and the shape of the packing may return to the original shape when the lid is opened.

[0008] Further, the downward ribs are provided so as to extend in parallel with the two lines at the entire circumference of the lower surface of the lid body and at an interval that can be inserted into the circumferential groove portion. It is also preferable that the degree of pressure contact is increased over the entire upper part of the packing mounted in the groove so that the packing can be crimped, and the shape of the packing returns to its original shape when the lid is opened.

In addition, one or two upward ribs are raised on the inner bottom of the peripheral groove portion at the upper edge of the container body opening to support the packing lower part, and the entire lower surface of the lid body is covered with the above-mentioned ribs. The above-mentioned downward ribs, which can be inserted into the circumferential groove, are formed as 1 or 2 pieces, and when the lid is closed, the 1 or 2 pieces of upward or downward ribs are attached to the packing depending on the respective directions. It is also possible to increase the pressure contact degree and push up to enable compression or crimping, or to restore the original shape of the packing when the lid is opened.

[0010]

[Embodiment of the invention]

 DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The best mode for carrying out the present invention will be described below with reference to the drawings. FIG. 1 is an explanatory view showing a partially cutaway state of a storage container, FIG. 2 is a plan view of a lid, and FIG. 3 is a lid. 4 is a bottom view of FIG. 4, FIG. 4 is an explanatory view of the main parts showing the operation of the lock member along the line IV-IV in FIG. 1, and the relationship between the downward rib and the packing when the lid is locked, and FIG. 5 is the downward rib and the packing before locking. And FIG. 6 is an explanatory view showing another embodiment when a downward rib and an upward rib are provided, and FIG. 7 is another modified embodiment when a plurality of downward ribs and upward ribs are provided, respectively. FIG. 8 is an explanatory view showing an example, and FIG. 8 is an explanatory view of a main part of a conventional storage container.

In the drawing, A is a rectangular parallelepiped container body, which is preferably made of synthetic resin such as polypropylene. Reference numeral 1 denotes an opening of the container body, and a peripheral groove portion 2 having a U-shaped cross section is formed at the entire outer peripheral upper edge of the opening 1. Reference numeral 3 is an inner bottom of the circumferential groove portion 2. The U-shaped configuration of the circumferential groove portion 2 is composed of an inner side wall 5a and an outer side wall 5b, and the inner side wall 5a is preferably higher than the outer side wall 5b to provide a height difference. Reference numeral 4 denotes packing, which is mounted in the circumferential groove portion 2 and is in a state in which the entire upper portion is exposed.

Reference numeral B denotes a lid, which is detachably attached to the rectangular parallelepiped container body A. Reference numeral 11 indicates a downward rib. Reference numeral 12 denotes a reinforcing peripheral edge portion formed along the outer peripheral edge so as to surround the surface B of the lid B, and it is preferable to provide the downward rib 11 on the back surface of the reinforcing peripheral edge portion 12 near the outer peripheral edge as shown in the figure. . Reference numeral 14 denotes a step portion, which shows a case where it is formed lower than the reinforcing peripheral edge portion 12 by interposing a groove 15 outside the reinforcing peripheral edge portion 12.

Reference character R represents an example of a lock member, and as disclosed in the above-mentioned prior art, its configuration is an uplock type, and together with a downlock type, it is well known to those skilled in the art. In the disclosure of the present invention, the up-lock type means a case where the lock member is provided near the upper edge of the outer peripheral wall 6 of the container body A, while the down-lock type means that the lock member is provided on the lid B side. It means that it is provided at the end. In the drawing, the lock member R is rotatably attached near the upper edge of the outer peripheral wall 6 of the container body A, and the protruding edge attached to the lower edge of the front end of the lock member R is locked in the groove 15. Therefore, the lock member R is adapted to be attached / detached to / from the container body A by engaging / disengaging the lock member R with the reinforcing peripheral portion 12 of the lid body B. In the figure, 20 is an attachment portion for attaching the lock member R to the outer peripheral wall 6 of the container body A, 21 is a grip portion attached to the attachment portion 20, and 22 is a grip portion 21 of the attachment portion 20 for holding the lock member R. The connecting parts for each are shown.

Therefore, when the lid B is closed on the container body A by using the lock member R, the entire downward rib 11 of the lid B can reveal the packing 4 attached to the circumferential groove portion 2 of the container body A. Crimp the top directly. As is apparent from FIG. 4, the state in which the downward ribs 11 are directly pressure-bonded to the upper part of the packing 4 is completely different from the surface contact of the conventional example shown in FIG. As a result of being strongly pushed into the circumferential groove portion 2, the downward rib 11 and the packing 4 are in close contact with each other and pressure-bonded to each other, so that a sealing effect which cannot be expected by the surface contact is produced.

[0015]

【Example】

 Although not shown in the drawings in view of the structure of the present invention, it is also possible to vertically install two ribs in parallel instead of the one downward rib 11 of FIG. Alternatively, the inner bottom 3 of the circumferential groove portion 2 may be provided with an upward rib 17 facing the downward rib 11 (FIG. 6), and as another modified example, two downward ribs 18a, 18a, respectively. 18b and two upward ribs 19a and 19b are also preferable (FIG. 7). In the case of the two downward ribs 18a and 18b, it is necessary that the ribs be insertable in the circumferential groove portion 2. In addition, the heights of the downward ribs 11, 18a, 18b and the upward ribs 17, 19a, 19b are appropriately adjusted according to the corresponding portions such as the lid B, the corner portion of the container body A, and the lock member R corresponding portion. If this is done, it will further contribute to the improvement of the sealing effect. As the material of the packing 4, silicone rubber, vinyl chloride, and general rubber having excellent elasticity can be mentioned. Especially, the silicone rubber is known as a rubber elastic body, and it is excellent in weather resistance, elasticity and non-adhesiveness and is most suitable. Is. The general shape of the packing itself is often annular (endless), and its cross-section is known to be square, trapezoidal, V-ring, U-ring, O-ring, or similar to the Greek letter Θ (theta). Is. In the disclosure of the present invention, the case of the known Θ (theta) type is shown because its elasticity is suitable.

[0016]

[Effect of the invention]

 According to the present invention having the above configuration, the following effects can be obtained. That is, according to the first and second aspects of the present invention, in the storage container, when the lid B is closed by the lock member R, the downward rib 11 on the lower surface of the lid B covers the upper surface of the endless packing 4 of the container body A. Since it is pressure-bonded, a remarkable sealing effect is brought about as compared with the conventional surface contact, so that the sealing property can be secured even in a storage container having a relatively large capacity. Moreover, since the degree of crimping can be increased and the holding can be maintained for a long time, it is possible to prevent the warping of the lid body which has been conventionally experienced especially in the corner portion of the lid body.

According to the present invention of claim 3, in addition to the effect of claim 1, by vertically arranging the downward ribs 11 in parallel with each other, the accuracy of crimping to the upper surface of the endless packing 4 is increased, and the sealing is performed. Bring about an improvement in sex. According to the present invention of claim 4, in addition to the effect of claim 1, with respect to the endless packing 4, downward ribs 11 and two downward ribs 18a, 18b, upward ribs 17 and two upward ribs 19a, Numeral 19b increases the degree of pressure contact according to each direction and enables preferable pressure bonding.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing a partially cutaway state of a storage container.

FIG. 2 is a plan view of the lid body.

FIG. 3 is a bottom view of the lid body

FIG. 4 is an explanatory view of a main part showing the operation of the lock member along the line IV-IV in FIG. 1 and the relationship between the downward rib and the packing when the lid is locked.

FIG. 5 is an explanatory diagram showing a relationship between a downward rib and packing before locking.

FIG. 6 is an explanatory view showing another embodiment in which a downward rib and an upward rib are provided.

FIG. 7 is an explanatory view showing another modified example in which a plurality of downward ribs and upward ribs are provided respectively.

FIG. 8 is an explanatory view of a main part of a conventional storage container.

[Explanation of symbols]

 A container body 1 opening 2 peripheral groove part 3 inner bottom 4 packing 5a inner side wall 5b outer side wall 6 outer peripheral wall B lid 11 downward rib 12 reinforcing peripheral edge 13 surface 14 step 15 concave groove 17 upward rib 18a, 18b 2 rows Downward ribs 19a, 19b 2 upward ribs 20 mounting portion 21 gripping portion R lock member 22 connecting portion

Claims (4)

[Utility model registration claims] 1. An endless packing is attached to a peripheral groove portion of an upper edge of an opening of a container body, and when a lid is closed by a locking member, a downward rib vertically extending around the lower surface of the lid crimps the entire upper surface of the packing. A storage container characterized by being sealed. 2. The downward rib is erected in a single line all around the lower surface of the lid body, and when the lid is closed, the degree of pressure contact is increased over the entire upper portion of the packing fitted in the circumferential groove portion so that the packing can be exposed. The crimping is possible, and when the lid is opened, the shape of the packing returns to the original shape.
Storage container described. 3. The downward rib is formed on the entire circumference of the lower surface of the lid body and at a space allowing insertion into the peripheral groove portion.
When the lid is closed, it can be crimped by increasing the pressure contact degree over the entire upper part of the packing mounted in the peripheral groove portion when the lid is closed, and the shape of the packing returns to the original state when the lid is opened. Claim 1 characterized by the above.
Storage container described. 4. One or two upward ribs are provided on the inner bottom of the peripheral groove portion at the upper edge of the container body opening to support the packing lower part, and the peripheral groove portion is provided on the entire lower surface of the lid body. The downward ribs having 1 or 2 rows that can be inserted into the packing are vertically installed, and when the lid is closed, the upward or downward ribs of the 1 or 2 rows increase the pressure contact degree with respect to the packing depending on the respective directions. The storage container according to claim 1, wherein the storage container is pushed up to enable compression or crimping, and when the lid is opened, the shape of the packing returns to the original shape.