JP2907071B2 - Liquid container - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid container, and more particularly to a structure of a container body in a liquid container.

[0002]

2. Description of the Related Art A well-known liquid container (for example, a thermos) has a container body provided with an inner container (for example, a vacuum double bottle) for accommodating a liquid, and an upper portion of the container body. And a lid body that covers the inner container, wherein the container body is connected to an upper end opening of the outer case and covers the outer peripheral side of the inner container. It was constituted by a shoulder member and a bottom member made of synthetic resin, which was connected to the lower end opening of the outer case and covered the lower part of the inner container. In addition, in the case where a pump device for discharging the content liquid into the inner container is incorporated in the lid body, and a liquid discharging passage for discharging the content liquid in the inner container is provided (for example, an air pot). Requires a lower cover on the shoulder member to cover the spout of the liquid discharge passage, but the lower cover is also a separate component.

[0003]

In the above configuration, since the container body is formed by connecting at least three members, the number of parts increases, and an assembling for assembling them is performed. There was a problem that the man-hours inevitably increased. Moreover, the use of the outer case made of sheet metal increases the weight of the container body, and also increases the cost of transporting parts to the assembling process.

The present invention has been made in view of the above points, and has as its object to reduce the number of component parts of a container body to reduce the number of assembling steps.

[0005]

According to a first basic configuration of the present invention, as a means for solving the above-mentioned problems, a container body having an inner container for containing a liquid therein and an upper portion of the container body are provided. An outer case of the container main body, wherein the liquid container includes a lid for covering, a pump device disposed in the lid, and a liquid discharging passage for discharging liquid in the inner container to the outside. Is formed of a synthetic resin integrally molded product consisting of a trunk and a bottom that respectively cover the outer peripheral side and the lower side of the inner container, and the liquid protrudes laterally from the trunk of the outer case into the outer case. A lower cover portion where the spout portion of the spout passage faces and covers the lower portion of the spout portion is integrally formed so that the lower cover portion does not have to be separately formed, thereby reducing the number of parts and the number of assembly steps. Is being planned.

In the first basic configuration of the present invention, the upper part of the outer case is forcibly fitted and joined to the upper part of the outer case in order to simplify the upper structure of the container body. preferable.

[0007] In a second basic configuration of the present invention, as means for solving the above-mentioned problems, a container body having an inner container for containing a liquid therein, a lid body for covering an upper portion of the container body, In a liquid container provided with a pump device disposed in the lid and a liquid discharging passage for discharging liquid in the inner container to the outside, the outer case includes an outer peripheral side of the inner container and The outer case is formed of an integrally molded product of a synthetic resin having a body portion and a shoulder portion that covers the upper side, and is protruded laterally from the body portion of the outer case and above the spout portion of the liquid discharge passage. The upper cover portion that covers the first cover is integrally formed so that the upper cover portion does not need to be separately formed, thereby reducing the number of parts and the number of assembling steps.

In the second basic configuration of the present invention, a bottom member for covering a lower side of the inner container is detachably attached to a lower end of the outer case, and the inner container is pushed up and fixed to the bottom member. Is preferably formed integrally with the supporting member for the purpose of simplifying the inner container supporting structure.

In the first and second basic configurations of the present invention, a liquid amount display tube for displaying a liquid level of the content liquid in the inner container is provided in the body of the outer case, and the outer case has It is more preferable to integrally form a display tube case that covers the outside of the liquid amount display tube in that the number of parts and the number of assembling steps can be reduced.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Some preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

First Embodiment FIGS. 1 and 2 show a liquid container according to a first embodiment of the present invention.

This liquid container is used exclusively for keeping the liquid warm, and is an air pot for discharging the liquid by pressurized air. As shown in FIG. 1, the container has an inner container 3 for containing the liquid therein. The container includes a main body 1 and a lid 2 that covers an upper portion of the container main body 1. As the inner container 3, a vacuum double bottle is employed.

The outer case 4 of the container body 1 includes a body 4a and a bottom 4 that cover the outer peripheral side and the lower side of the inner container 3.
b) and an integrally molded product of a synthetic resin (for example, polypropylene or the like) composed of b. With this configuration, it is possible to reduce the number of parts and the number of assembling steps and to reduce the weight.

The lid 2 is pivotally supported on one side of the upper end of the container body 1 via a hinge pin 5 so as to be openable and closable. (For example, an air pump for pumping pressurized air) 7 is built in. Further, the liquid container is provided with a liquid discharge passage 6 (which will be described later in detail) for discharging the liquid contained in the inner container 3.

The air pump 7 comprises a bellows 7a welded to the bottom plate 2a of the lid 2 and a bellows top plate 7b welded to the upper end of the bellows 7a. It faces the operation hole 8 formed in 2b. Reference numeral 9 denotes an intake port formed in the bellows top plate 7b,
Reference numeral 10 denotes an intake valve for opening and closing the intake port 9, and 11 denotes a lid bottom plate 2a.
Is a spring for urging the bellows 7a in the extension direction.

At the upper end of the body 4a of the outer case 4, the liquid discharge passage 6 protruding laterally from the body 4a is provided.
Is formed integrally with the lower cover 13 which faces the spout (ie, the spout tube 28) and covers the lower part of the spout. A liquid supply tray 16 having a liquid supply port 14 into the inner container 3 is provided on the upper part of the body 4a of the outer case 4 as a shoulder covering the upper side of the inner container 3. A shoulder member 15 integrally formed of a synthetic resin and an upper cover 17 for covering the lower cover 13 is forcibly fitted and joined. That is, the locking projection 1 formed on the shoulder member 15 side
The shoulder member 15 is coupled to the outer case 4 by forcibly fitting and engaging the engagement recess 8 with the engaging recess 19 formed at the upper end of the outer case 4. With such a configuration, the structure of the container body 1 can be simplified and the number of parts can be further reduced. In this case, the outer case 4 is formed by a molding method.

The lower surface of the shoulder member 15 is in contact with the edge of the inlet opening 3a of the inner container 3 to communicate the liquid supply port 14 and the inner container inlet opening 3a in an airtight manner. A part 20 is provided. In addition, a plug 21 formed on the cover bottom plate 2a is provided in the communication portion 20.
Is to be inserted in an airtight state when the lid is closed. Reference numeral 22 denotes an air passage communicating with the discharge port 10, 23, 2
4 is a seal packing.

The liquid discharge passage 6 has an L-shaped connection pipe 26 which is supported by passing through the communication portion 20 in a lateral direction.
A pumping pipe 25 vertically extending from the connecting pipe 26 to near the bottom of the inner container 3, a horizontal pipe 27 extending laterally from the connecting pipe 26, and L extending downwardly connected to the horizontal pipe 27. The horizontal pipe 27 is provided with a falling water stop valve 29 in the middle of the horizontal pipe 27.
The discharge pipe 28 constitutes a spout of the liquid discharge passage 6 and faces the inside of the lower cover 13.

At the center of the bottom 4b of the outer case 4, a screw tube 31 for screwing a cylindrical support member 30 for pushing up and fixing the inner container 3 is integrally formed. That is, by screwing the support member 30 to the screw cylinder 31, the inner container 3 is pressed against the communication portion 20 by the pushing-up force of the support member 30 and is positioned and fixed. It is. Code 32
Is a protection frame for protecting the inner container 3.

Reference numeral 33 denotes a handle for carrying the liquid container. As shown in FIG. 2, the handle 33 is provided in a through hole 34 formed in the upper end of the body 4a of the outer case 4 and the shoulder member 15. It has a shaft portion 36 that is inserted into the formed notch hole 35. A convex portion 37 for preventing the shaft portion 36 from deviating from the cutout hole 35 is formed integrally with the inner end of the shaft portion 36. That is, the handle 33 is pivotally supported across the upper end of the body 4 a of the outer case 4 and the shoulder member 15, whereby the shoulder member 15
Is prevented from coming off.

In the drawings, reference numeral 38 denotes a lock mechanism for locking the lid 2 to the container body 1, 39 denotes an operation plate for pressing the air pump 6, and 40 denotes a lock / unlock operation of the operation plate 39. The regulating member for locking, 41 is the container body 1
Rotating seats for rotatably supporting the members, 42 and 43 are heat insulating materials,
4 is a spout.

Second Embodiment FIG. 3 shows a liquid container according to a second embodiment of the present invention.

This liquid container is an air pot of a low pouring outlet type in which a pouring portion 44 which is an outlet of the pouring tube 28 in the liquid pouring passage 6 is located at a low position. Accordingly, the discharge pipe 28 in the liquid discharge passage 6 extends downward, and a support member 45 for supporting the discharge pipe 28 is provided inside the upper cover portion 17. Also in this case, the outer case 4 is formed by a molding method. The other configuration and operation and effect are the same as those in the first embodiment, and the description is omitted.

Third Embodiment FIG. 4 shows a liquid container according to a third embodiment of the present invention.

In this case, the outer case 4, the shoulder member 15, and the upper cover portion 17 are integrally formed, while the lower cover portion 13 is formed separately from the outer case 4. Further, the bottom 4b of the outer case 4 is formed separately from the trunk 4a, and the bottom 4b is detachably attached to the lower end of the trunk 4a. The lower cover 13 is attached to the upper end of the body 4 a of the outer case 4 by an engagement piece 46 and supported by the engagement piece 46, and is attached to the upper cover 17 of the shoulder member 15 by forcible engagement. It is supposed to be. The other configuration and operation and effect are the same as those in the first embodiment, and the description is omitted.

Fourth Embodiment FIG. 5 shows a liquid container according to a fourth embodiment of the present invention.

In this case, the outer case 4, the shoulder member 15, and the upper cover 17 are formed as a single piece, while the lower cover 13 is formed separately from the outer case 4. Further, the bottom 4b of the outer case 4 is formed separately from the trunk 4a, and the bottom 4b is detachably attached to the lower end of the trunk 4a. The lower cover 13 is attached to the upper end of the body 4 a of the outer case 4 by an engagement piece 46 and supported by the engagement piece 46, and is attached to the upper cover 17 of the shoulder member 15 by forcible engagement. It is supposed to be.

In the body 4a of the outer case 4, the inner container 3 is located below the pouring opening 44 of the liquid pouring passage 6.
A liquid amount display tube 47 for displaying the liquid level of the content liquid is provided. The lower end of the liquid amount display tube 47 is connected to the bottom of the inner container 3 via a connection tube unit 48, while the upper end is connected to the communication portion 20 via a communication tube 49. That is, the liquid level in the liquid amount display tube 47 becomes the same as the liquid level in the inner container 3, and the liquid in the liquid amount display tube 47 passes through the communication tube 49 when the liquid container is tilted. It is to be returned to the vessel 3. The connection pipe unit 48 includes a discharge pipe 52 connected to a discharge port 50 formed at the bottom of the inner container 3 through a seal packing 51 in a watertight state, and an L-shaped pipe connected to the discharge pipe 52. 53, an inverted V-shaped connecting pipe 54 connected to the L-shaped pipe 53, and an L-shaped pipe 55 connecting the connecting pipe 54 and the lower end of the liquid amount display pipe 47. .

The front side of the liquid amount display tube 47 is
The display tube case 56 having the see-through window 57 is covered by the display tube case 56. In the present embodiment, the display tube case 56 is formed integrally with the outer case 4. With this configuration, the outer case 4 and the display tube case 56 can be simultaneously molded even in the liquid container provided with the liquid amount display tube 47, and the number of parts and the number of assembling steps can be reduced.

Further, the bottom 4b of the outer case 4 and the inner container 3
And a support member 30 for pushing up and fixing are formed integrally. With this configuration, the bottom portion 4b of the outer case 4 and the support member 30 can be formed simultaneously, and the number of parts and the number of assembling steps can be reduced.

The other configuration is the same as that of the first embodiment, and the description is omitted. Also in this case, the outer case 4 is formed by a molding method.

[0032]

According to the first basic structure of the present invention, a container body having an inner container for containing a liquid therein, a lid for covering an upper portion of the container body, and a lid body disposed in the lid body A liquid container having a pump device and a liquid discharge passage for discharging the liquid in the inner container to the outside, the outer case of the container main body covering the outer peripheral side and the lower side of the inner container. The outer case is formed of a synthetic resin integrally formed with a body and a bottom, and the spout of the liquid discharge passage faces the outer case and projects laterally from the body of the outer case. Since the lower cover part that covers the lower part of the part is formed integrally and the lower cover part does not have to be separately formed, there is an effect that the number of parts and the number of assembling steps can be reduced.

According to the second basic configuration of the present invention, a container body having an inner container for containing a liquid therein, a lid for covering an upper portion of the container body, and a lid disposed inside the lid. In a liquid container provided with a pump device and a liquid discharging passage for discharging liquid in the inner container to the outside, a body covering an outer case of the container main body with an outer peripheral side and an upper side of the inner container. An upper cover portion which is formed of a synthetic resin integrally formed of a portion and a shoulder portion, and which protrudes laterally from a body portion of the outer case to cover above a spout portion of the liquid discharge passage. Are formed integrally so that the upper cover does not need to be separately formed, so that the number of parts and the number of assembling steps can be reduced.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a liquid container according to a first embodiment of the present invention.

FIG. 2 is an enlarged sectional view of a handle mounting portion of the liquid container according to the first embodiment of the present invention.

FIG. 3 is a longitudinal sectional view of a liquid container according to a second embodiment of the present invention.

FIG. 4 is a longitudinal sectional view of a liquid container according to a third embodiment of the present invention.

FIG. 5 is a longitudinal sectional view of a liquid container according to a fourth embodiment of the present invention.

[Explanation of symbols]

1 is a container body, 2 is a lid, 3 is an inner container, 4 is an outer case,
4a is a body, 4b is a bottom, 6 is a liquid discharge passage, 7 is a pump device (air pump), 13 is a lower cover, 14 is a liquid supply port, 15 is a shoulder member, 16 is a liquid supply tray, and 17 is a liquid supply tray. An upper cover portion, 28 is a discharge pipe, 30 is a support member, 47 is a liquid amount display tube, and 56 is a display tube case.

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁶ , DB name) A47J 41/00 302 A47J 41/02 102

Claims (5)

(57) [Claims] 1. A container body provided with an inner container for accommodating a liquid therein, a lid body for covering an upper part of the container body, and the lid body
And a pump device disposed in
A liquid container provided with a liquid discharge passage for discharging the inner container, wherein the outer case of the container body is made of a synthetic resin integrally formed of a body portion and a bottom portion that respectively cover an outer peripheral side and a lower side of the inner container. The outer casing
The liquid, protruding laterally from the body of the outer case.
A lower cap on which the spout of the spout passage faces and covers the lower part of the spout.
A liquid container, wherein the bar portion is formed integrally . 2. The liquid container according to claim 1, wherein a shoulder for covering an upper side of the inner container is forcibly fitted and connected to an upper portion of the outer case. 3. A container body provided with an inner container for accommodating a liquid therein, a lid body for covering an upper part of the container body, and the lid body
And a pump device disposed in
A liquid container provided with a liquid discharge passage for discharging the liquid into the container, wherein the outer case of the container body is made of a synthetic resin integrally formed of a body portion and a shoulder portion covering an outer peripheral side and an upper side of the inner container. It is constituted by a molded product, and in the outer case,
The liquid discharge passage protruding laterally from the body of the outer case.
A liquid container , wherein an upper cover portion covering an upper part of the spout portion is integrally formed . 4. A bottom member for covering a lower side of the inner container is detachably attached to a lower end of the outer case, and a supporting member for pushing up and fixing the inner container is integrated with the bottom member. 4. The molded article according to claim 3, wherein the molded article is formed.
A liquid container as described. 5. A liquid amount display tube for displaying a liquid level of the content liquid of the inner container is provided in a body portion of the outer case, and the outer case is provided outside the liquid amount display tube. claim 3 and a liquid container according to any one of claims 4 display tube casing is characterized in that it is formed integrally to the cover.