JP5185984B2 - Liquid container - Google Patents

Description

  The present invention relates to a liquid container for storing a beverage, for example.

  2. Description of the Related Art Conventionally, a liquid container (hereinafter, a conventional example) including a container body and a lid that closes an opening of the container body, such as a water bottle (portable thermos), has been proposed.

  In this conventional example, the lid is screwed into the opening, and the lid is provided with a liquid leak sealant. By this liquid leak sealant, the gap between the lid and the opening is provided. Sealing prevents the liquid in the container body from leaking.

  By the way, in the conventional example, when the opening is closed with the lid as described above, it is sealed by the liquid leakage sealant. However, when hot liquid is put in the container main body and the lid is closed with the lid, When the temperature drops, the pressure is reduced and atmospheric pressure is applied to the lid, and the lid may not be opened by hand or may be difficult to open. In some cases, the lid must be destroyed.

  The present invention provides an epoch-making liquid container that solves the above-described problems and exhibits an unprecedented effect.

  The gist of the present invention will be described with reference to the accompanying drawings.

The content body 1A and the container body 1 provided with the heat insulating structure and an outer container body 1B comprising consecutively provided with a gap, a liquid container comprising a lid 3 for closing the opening 2 of the container body 1 The lid body 3 is screwed into the opening 2, and the lid body 3 or the container body 1 is provided with a liquid leakage seal material 4, and the liquid leakage seal material 4 abuts thereon. The part is provided with a recess 5, and when the lid 3 is screwed into the opening 2, the liquid leak sealant 4 is deformed to close the recess 5, The liquid container is configured such that when the screwing is loosened to eliminate the deformation, the recess of the recess 5 is released and the inside of the container body 1 communicates with the outside. Is.

In addition, a liquid container comprising a container body 1 having a heat insulating structure in which a content body 1A and an external body 1B are connected via a gap, and a lid body 3 that closes an opening 2 of the container body 1 is provided. The lid body 3 is screwed onto the outer periphery of the opening 2, and a liquid leakage sealing material 4 is provided on the outer periphery of the lid body 3 or the container main body 1. A concave portion 5 is provided at a portion where the seal material 4 abuts. The liquid leak seal material 4 is deformed when the lid 3 is screwed to the outer periphery of the opening 2. When the recess 5 is closed and the deformation is eliminated by loosening the screwing, the recess 5 is released and the container body 1 communicates with the outside. The present invention relates to a liquid container characterized by

Further, in the liquid container according to any one of claims 1 and 2, the recess 5 is a vent for communicating between the inside and the outside of the container body 1 in a state where the opening 2 is closed by the lid 3. The liquid container is characterized by being a portion 6 .

The liquid container according to any one of claims 1 to 3 , wherein the lid body 3 is provided with a fitting portion 3a that is fitted into the opening portion 2, and an outer peripheral surface of the fitting portion 3a or the opening. The liquid leakage sealing material 4 is provided on the inner peripheral surface of the portion 2, which relates to a liquid container.

5. The liquid container according to claim 4 , wherein a screw portion 9 is provided between the outer peripheral surface of the fitting portion 3a and the inner peripheral surface of the opening portion 2. It is.

5. The liquid container according to claim 4 , wherein the lid 3 is provided with a fitted portion 3b fitted to the outer peripheral surface of the opening 2 , and the inner peripheral surface of the fitted portion 3b and the opening. A screw container 10 is provided between the two outer peripheral surfaces and the liquid container according to the present invention.

Further, in the liquid container according to any one of claims 1 to 3 , the lid body 3 is provided with a fitting portion 3b fitted to the outer peripheral surface of the opening portion 2, and the lid body 3 is covered. The liquid leakage sealing material 4 is provided on the inner peripheral surface of the fitting portion 3b or the outer peripheral surface of the opening 2, and the liquid container is characterized in that it is provided.

The liquid container according to claim 7 , wherein a screw portion 10 is provided between an inner peripheral surface of the fitted portion 3 b and an outer peripheral surface of the opening portion 2. Is.

The liquid container according to claim 7 , wherein the lid 3 is provided with a fitting portion 3 a that is fitted into the opening 2, and an outer peripheral surface of the fitting portion 3 a and an inner peripheral surface of the opening 2. A screw container 9 is provided between the two, which relates to a liquid container.

  Since the present invention is configured as described above, unlike the conventional example described above, for example, when hot liquid is put into the container body and the opening is closed (sealed) with a lid (when the inside of the container body is depressurized). Even if it is, the lid will not be opened, it can be opened easily, and it is very convenient. Moreover, the simple structure makes it possible to reduce cost and excel in mass productivity. It becomes an epoch-making liquid container that exhibits no effect.

It is a schematic explanatory drawing of the 1st structural example which concerns on a present Example. It is a schematic explanatory drawing of the 2nd structural example which concerns on a present Example. It is a schematic explanatory drawing of the 3rd structural example which concerns on a present Example. It is a schematic explanatory drawing of the 4th structural example which concerns on a present Example. It is explanatory drawing sectional drawing of the principal part which concerns on a 1st structural example. It is a disassembled perspective view of the principal part which concerns on a 1st structural example. It is operation | movement explanatory sectional drawing of the principal part which concerns on a 1st structural example. It is operation | movement explanatory sectional drawing of the principal part which concerns on a 1st structural example. It is operation | movement explanatory sectional drawing of the principal part which concerns on a 1st structural example. It is operation | movement explanatory sectional drawing of the principal part which concerns on a 1st structural example.

  An embodiment of the present invention which is considered to be suitable will be briefly described with reference to the drawings showing the operation of the present invention.

For example, in the case of FIG. 1, when hot liquid is put into the container main body 1, the lid 3 is screwed into the opening 2 and the opening 2 is closed, the lid 3 is opened between the lid 3 and the opening 2. 3 or a liquid leakage sealing material 4 provided in the opening 2.

  In the present invention, a concave portion 5 is provided at a portion where the liquid leakage sealing material 4 abuts. When the lid 3 is screwed to the opening 2, the liquid leakage sealing material 4 4 is deformed to close the concave portion 5 to be in a sealed state. When the temperature in the container body 1 drops in this state, the inside of the container body 1 is depressurized and the lid 3 is not opened or is difficult to open.

  Even when the lid 3 is subjected to atmospheric pressure and the lid 3 is not opened (cannot be screwed in the opening direction), the lid 3 is screwed to such an extent that the deformation of the liquid leakage sealing material 4 closing the recess 5 is eliminated. It is possible to move.

When opening the lid 3 of this closed state, loosening the screwing of the lid 3, the deformation of the leakage sealing member 4 described above is eliminated, occlusion of the recess 5 and the outside inner portion container body 1 is released Communicates, air passes through and enters the container main body 1 and the inside of the container main body 1 is at normal pressure.

  Therefore, according to the present invention, for example, when a hot liquid is put into the container body 1, the lid 3 can be easily opened without being affected by the decompression of the inside of the container body 1. That is, eliminating the deformation of the liquid leakage sealing material 4 is a rotation operation of the lid body 3 and requires less force than the operation of pulling the lid body 3. The operation of returning to the normal pressure can be easily performed. Therefore, the lid 3 can be easily opened only by rotating the lid 3 for a moment.

  Moreover, since the present invention has a simple structure, the cost is reduced and the mass productivity is excellent.

  Specific embodiments of the present invention will be described with reference to the drawings.

  1 and 2 are first configuration examples showing a case in which a liquid leakage sealing material 4 is provided between the outer peripheral surface of the fitting portion 3 a provided in the lid 3 and the inner peripheral surface of the opening 2 of the container body 1. 3 and 4 show a case where the liquid leakage sealing material 4 is provided between the inner peripheral surface of the fitted portion 3b of the lid 3 and the outer peripheral surface of the opening 2 of the container body 1. The present embodiment will be described below based on the first configuration example.

  That is, the present embodiment is composed of a container body 1 and a lid 3 that closes the opening 2 of the container body 1.

  Specifically, the container body 1 is a cylindrical body formed of an appropriate metal member as shown in FIG. 5, and the contents 1 </ b> A are disposed in the outer container 1 </ b> B with a gap and the mouth. And a vacuum double structure in which the gap between the content body 1A and the outer container 1B is evacuated and sealed.

  An appropriate synthetic resin-made annular body 8 is fitted and attached to the opening 2 of the container body 1, and a screw portion is formed on the inner surface of the annular body 8 by a spiral convex shape 9 b of the lid 3 described later. 9 is formed.

  The lid 3 is a hollow body formed of an appropriate synthetic resin member as shown in FIGS. 5 and 6, and a fitting portion that fits into the opening 2 of the container body 1 is provided at the bottom of the lid 3. 3a is provided, and on the peripheral surface of the fitting portion 3a, a helical ridge 9b that forms a screw portion 9 is formed by screwing into the helical ridge 9a provided in the opening 2 described above.

  Accordingly, the lid 3 is configured to be screwed into the opening 2 to close the opening 2.

  2, 3, and 4, as in the second configuration example, the third configuration example, and the fourth configuration example, the lid 3 is fitted portion 3 b that is fitted to the opening 2 of the container body 1. Further, as in the second configuration example and the third configuration example, the spiral protrusion 10b formed on the inner peripheral surface of the fitted portion 3b provided in the lid 3, and the opening portion may be provided. The screw portion 10 may be constituted by the spiral ridges 10a formed on the outer peripheral surface of the two.

  Further, on the outer peripheral surface portion of the fitting portion 3 a of the lid body 3, there is provided a concave groove (concave groove) seal mounting portion 7 to which the annular liquid leakage sealing material 4 can be fitted and mounted.

  Specifically, the seal mounting portion 7 is a small-diameter portion provided at the lower end of the fitting portion 3a, and a collar portion 3c for preventing the liquid leakage sealing material 4 from dropping off is provided at the lower end of the small-diameter portion. Yes.

  Therefore, when the opening 2 is closed with the lid 3, the liquid leakage sealing material 4 fitted and attached to the seal mounting portion 7 is arranged between the opening 2 and the lid 3 so as to be sealed. It is configured. The seal mounting portion 7 may be provided on the outer peripheral surface of the opening 2 of the container body 1.

  The lid 3 is provided with a plurality of concave portions 5 (two opposite positions) on the surface of the seal mounting portion 7 on which the liquid leakage sealing material 4 is fitted.

  As shown in FIG. 6, the concave portion 5 is provided with a concave groove in a direction intersecting with the circumferential direction of the seal mounting portion 7, and a part of the flange portion 3 c is notched. 3 is formed between the opening 2 and the lid 3 so as to form a ventilation portion 6 that communicates the inside of the container body 1 and the outside air.

  The number of the recesses 5 may be one or three or more. However, in the case of a plurality of recesses 5, the recesses 5 may be provided at equally spaced positions in the circumferential direction of the lid body 3 (seal mounting portion 7). May be provided in the opening 2 or may be provided in both the lid 3 and the opening 2.

  Moreover, this recessed part 5 functions also as a site | part inserted when removing the leaking sealing material 4 mentioned later with a sharp stick | rod etc. FIG.

  The liquid leakage sealing material 4 is an annular body formed of a synthetic resin member having appropriate elasticity. In this embodiment, the liquid leakage sealing material 4 is formed of silicon resin.

  The liquid leakage sealing material 4 is fitted and attached to the seal attachment portion 7 so that when the lid 3 is screwed into the opening 2 and closed, the liquid leakage sealant 4 is deformed and enters the recess 5 to close the ventilation portion 6. It is configured. The force for deforming the liquid leakage sealing material 4 is accompanied by a twisting action when the lid 3 is screwed to the opening 2, so that a part of the liquid leakage sealing material 4 enters the recess 5 better. become.

  Further, a protrusion 4 a is formed at the center of the upper surface of the liquid leak sealant 4 in the circumferential direction of the liquid leak sealant 4.

  5 and 6, when the resin constituting the opening 2 (annular body) or the lid 3 contracts due to a change in temperature or the like, the projection 4a is formed between the opening 2 and the lid 3. This is to prevent a gap from occurring between them.

  Reference numeral 4 b denotes a groove portion that gives elasticity to the liquid leakage sealing material 4.

  Since the present embodiment is configured as described above, when a hot liquid is put into the container body 1 and the opening 2 is closed with the lid 3, the liquid leakage sealant 4 is provided between the opening 2 and the lid 3. Sealed.

  At this time, the liquid leakage sealing material 4 is deformed and enters the recess 5 to close the vent 6, and the container body 1 is in a sealed state (see FIGS. 7 and 8). When the temperature in the container body 1 drops in this state, the inside of the container body 1 is depressurized and the lid 3 becomes difficult to open.

  When the lid 3 in the closed state is opened, when the lid 3 is screwed in the opening direction, the liquid leakage sealing material 4 is deformed in a direction opposite to the deformation at the time of closing. The closed state in which the air enters the recess 5 is released, and the ventilation part 6 becomes in a state where it can be ventilated (see FIGS. 9 and 10). Air passes through the ventilation part 6 and enters the container body 1 and inside the container body 1 Becomes normal pressure.

  Therefore, according to the present embodiment, unlike the conventional example described above, for example, when hot liquid is put into the container body 1 and the opening 2 is closed (sealed) with the lid 3 (when the inside of the container body 1 is decompressed) ), The lid 3 does not become unopened, can be opened easily, and is very convenient. Moreover, since the structure is simple, the cost is low and the mass productivity is excellent.

  Further, in this embodiment, the lid 3 is structured to be screwed into the opening 2 to close the opening 2, so that the liquid leakage sealing material 4 is deformed and opened / closed with respect to the recess 5 described above. Is easily and reliably obtained.

  In addition, since the present embodiment employs the liquid leakage sealing material 4 made of silicon resin as the liquid leakage sealing material 4, the sealing function can be satisfactorily exhibited. A structure for taking out and putting in the liquid leakage sealing material 4 can be obtained easily and reliably.

  Note that the present invention is not limited to this embodiment, and the specific configuration of each component can be designed as appropriate.

DESCRIPTION OF SYMBOLS 1 Container main body 1A Content body 1B External body 2 Opening part 3 Cover body 3a Insertion part 3b Covered part 4 Liquid leaking sealing material 5 Recessed part 9 Screw part
10 Screw part

Claims (9)

A container body provided with the heat insulating structure comprising a content body and the outer container body and continuously provided with a gap, a liquid container comprising a lid for closing the opening of the container body, the lid is the The lid or the container main body is provided with a liquid leak sealing material, and a concave portion is provided at a portion where the liquid leak sealing material abuts. The liquid leak seal When the lid is screwed into the opening, the liquid leakage sealing material is deformed to close the recess, and when the screw is loosened to cancel the deformation, The liquid container is configured so that the blockage is released and the inside of the container body communicates with the outside. A liquid container comprising a container main body having a heat insulating structure in which a content body and an external body are connected via a gap, and a lid for closing an opening of the container main body, the lid being It is screwed to the outer periphery of the opening, and a liquid leakage seal material is provided on the outer periphery of the lid or the container main body, and further, a recess is provided at a site where the liquid leak seal material abuts. When the lid member is screwed to the outer periphery of the opening, the liquid leak sealant is deformed to close the recess, and the screwing is loosened to eliminate the deformation. The liquid container is configured such that the closure of the concave portion is released and the inside of the container body communicates with the outside. 3. The liquid container according to claim 1, wherein the concave portion is a ventilation portion that communicates the inside and the outside of the container main body in a state where the opening is closed by the lid. A liquid container. The liquid container according to any one of claims 1 to 3 , wherein the lid is provided with a fitting portion that fits into the opening, and an outer peripheral surface of the fitting portion or an inner peripheral surface of the opening is provided on the lid. A liquid container, wherein the liquid leakage sealing material is provided. The liquid container according to claim 4 , wherein a screw portion is provided between an outer peripheral surface of the fitting portion and an inner peripheral surface of the opening. In the liquid container according to claim 4, wherein the lid includes the fitting portion is provided with a fitted on an outer peripheral surface of the opening, between the outer peripheral surface of the opening and the inner peripheral surface of the object to be fitting portion A screw container is provided with a liquid container. The liquid container according to any one of claims 1 to 3 , wherein the lid is provided with a fitting portion that fits on an outer peripheral surface of the opening, and an inner peripheral surface of the fitting portion of the lid. Alternatively, the liquid container is characterized in that the liquid leakage sealing material is provided on the outer peripheral surface of the opening. The liquid container according to claim 7 , wherein a screw portion is provided between an inner peripheral surface of the fitted portion and an outer peripheral surface of the opening. 8. The liquid container according to claim 7 , wherein the lid is provided with a fitting portion that fits into the opening, and a screw portion is provided between an outer peripheral surface of the fitting portion and an inner peripheral surface of the opening. A liquid container characterized by being made.

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