JP2501634Y2 - Liquid container stopper - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a stopper used for a liquid container such as a thermos bottle.

[0002]

2. Description of the Related Art Conventionally, as a stopper for a liquid container of this kind, (a) a stopper for a tilted liquid injection system, which is used for a liquid container of a system in which a container body is inclined to pour out a content liquid The body is known, for example, as described in Japanese Utility Model Publication No. 58-149125, Japanese Utility Model Publication No. 63-28454 and Japanese Utility Model Publication No. 63-28455. These stoppers are provided with a liquid passage inside the stopper formed between the outer wall surface of the inner body and the inner wall surface of the outer body.The inner body is screwed in when the stopper is closed, and the inner body is kept within a certain stroke range when the stopper is opened. The liquid passage in the stopper is opened by screwing and the container body is tilted so that the content liquid is poured out from the spout through the liquid passage in the stopper.

(B) Further, as described in Japanese Utility Model Laid-Open Nos. 1-127537 and 2-25953, the inner body and the outer body are integrally formed, and the inner body and the outer body are formed. And a valve body for opening and closing the liquid passage in the plug, and a valve opening / closing mechanism for operating the valve body provided in the inner body, the valve body being operated by the valve opening / closing mechanism. There is also known a configuration in which the valve is opened to discharge the content liquid from the liquid passage in the stopper.

[0004]

[Problems to be solved by the device] However, the above (a)
Since the stoppers described in each of the publications shown in (b) and (b) are configured such that the inner body and the outer body are integrally provided and the inner body cannot be removed (separated), It does not have a structure that can be opened to the outside. Therefore, it is difficult to clean the outer wall surface of the inner body and the inner wall surface of the outer body that form the liquid passage in the stopper to every corner, and it is unsanitary due to the generation of mold and the attachment of dust. Particularly, in the above (b), since the mechanism of the stopper is complicated, it is difficult to clean the liquid passage inside the stopper.

In the stoppers described in the above-mentioned publications (a) and (b), when the liquid passage in the stopper is clogged with hot water or tea leaves, it is troublesome to remove the tea leaves and the like. In addition, there is a problem that the pouring is not performed smoothly if it cannot be removed.

This invention intends to solve the above-mentioned problems by providing the inner body of the plug body detachably from the outer body.

[0007]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides a plug internal liquid passage formed between an outer wall surface of an inner body and an inner wall surface of the outer body, and a liquid passage in the plug. A stopper for a liquid container, which is provided with a valve body that opens and closes, and a valve opening and closing mechanism that is provided inside the body to operate the valve body, and that pours the content liquid from the liquid passage in the stopper by operating the valve opening and closing mechanism. In the above, the inner body is detachably coupled to the outer body by screwing, fitting, or the like, and when the inner body and the outer body are removed, the outer wall surface of the inner body and the inner wall surface of the outer body are separated to the outside. It can be opened.

A specific construction for detachably connecting the inner body to the outer body to separate the outer wall surface of the inner body and the inner wall surface of the outer body and opening them to the outside is, for example, a male screw on the inner body and a female screw on the outer body. Can be formed by a screwing method using both male and female screws, or a helicoid type, or a fitting method in which the inner body and the outer body are detachably fitted via a packing between the inner body and the outer body. , And other arbitrary connection configurations can be adopted.

[0009]

First Embodiment A first embodiment of the present invention will be described below with reference to FIGS. 1 and 3 to 7 for a stopper used in a liquid container such as a thermos bottle. This liquid container has a vacuum heat insulation double structure consisting of an inner wall 1A and an outer wall 1B made of stainless steel plate, and a container body 1 having a shoulder member 2 on the upper part of the outer wall 1B and a plug hole 3 of the container body 1 which is detachable. Freely screwed plug 1
0 and a cup 4 detachably attached to the shoulder member 2 so as to cover the plug body 10.

The plug 10 is provided so that the inner body 11 is detachably coupled to the outer body 12 so that the outer wall surface of the inner body 11 and the inner wall surface of the outer body 12 can be separated and opened to the outside. .
That is, in the detached state of the inner body 11 and the outer body 12, the in-plug liquid passage 20 formed by the outer wall surface of the inner body 11 and the inner wall surface of the outer body 12 can be washed.

The outer body 12 is composed of an inner side wall 12A, a middle side wall 12B and an outer side wall 12C which are cylindrical and spaced from each other.
A female screw 13 formed on the inner side wall 12B is screwed with a male screw 1C formed on the outer wall 1B of the container body 1 so as to be detachably coupled to the container body 1 and also on the inner wall 12A. Has an internal thread 14.

The inner body 11 has a substantially cylindrical shape, and a seal member 15 is attached to the outer periphery of the lower end of the inner body 11 so as to be tightly fitted in the plug hole 3 of the container body 1. , The container body 1 while being screwed into the plug hole 3 of the container body 1.
A liquid passage 16 is formed so as to communicate the inside and the outside. The inlet 16A of the liquid passage 16 is the inner wall 1 of the container body 1.
A liquid passage 19 formed between the inner body 11 and the inner wall 1A of the container body 1, the outer wall surface above the inner body 11 and the inner wall 12A of the outer body 12 is opened toward the inside of A. Liquid passage 20 in the stopper formed between the wall surface and liquid passage 20 in the stopper
It communicates with the spout 21 at the tip. The inlet 16A of the liquid passage 16 is opened and closed by a valve body 24 that moves up and down. Further, a space portion 18 partitioned by a partition wall 17 is formed above the liquid passage 16.

The inner body 11 and the outer body 12 are attached and detached by screwing a male screw 22 formed on the outer wall of the inner body 11 and a female screw 14 formed on the inner wall 12A of the outer body 12 together. Can be freely combined. Therefore, the inner body 11
Since the outer wall surface of the inner body 11 and the inner wall surface of the outer body 12 are separated and opened to the outside in the detached state of the inner body 11 and the outer body 12, the outer wall surface of the inner body 11 and the inner wall surface of the outer body 12 are respectively separated. It is possible to wash every corner independently.

The valve body 24 is provided at the center of the inner body 11 so as to be vertically movable. The valve body 24 has a valve rod portion 2 which is projected from the insertion hole 17A in the central portion of the partition wall 17 into the space portion 18.
5 and a valve main body 26 that is seated on the seal member 15, and is opened or closed by a valve opening / closing mechanism 30 provided in the space 18 of the inner body 11.

The valve opening / closing mechanism 30 includes a top plate 10 of the plug 10.
A guide cylinder 31 vertically extending from A into the space 18, an operating body 32 that moves up and down in the guide cylinder 31, and an operating body 32.
A movable member 33 that is engaged with the lower end and is rotated by a predetermined angle for each downward movement of the operating body 32, and is connected to the upper end of the valve rod portion 25 of the valve body 24, the guide cylinder 31, and the operating body 32. Between the movable member 33 and the movable member 33, the valve member 24 is moved upward when the valve element 24 is opened, and the downward movement thereof causes the movable member 3 to move.
3 is moved downward (that is, the valve body 24 is closed). The movable member 33
Is constantly urged upward (in the valve closing direction of the valve body 24) by a spring 35.

On the inner peripheral surface of the guide cylinder 31, six vertical grooves 36 ... 36 are formed at equal intervals in the circumferential direction, and the vertical grooves 36, 36 are inclined in the same direction. Protrusions 38 ... 38 having individual slide portions 37 ... 37 at the lower end are formed. Locking portions 39 that lock the members that slide along the slide portions 37 in a positioned state are formed in the middle portions of the slide portions 37, and the slide portions 37 sandwich the locking portions 39 between them. 1 and second slide portions 37A and 37B (see FIGS. 4 to 7).

On the outer peripheral surface of the lower end portion of the operating body 32, there is formed an engaging projection 40 which is vertically movably fitted into the vertical grooves 36 ... 36 of the guide cylinder 31. In addition, this operating body 32
Saw-tooth-shaped irregularities 41 are formed on the lower end surface of the engaging projections 40 with the intermediate position between the engaging projections 40 and the intermediate position between the adjacent engaging projections 40, 40 having the same inclination angle as the slide portion 37. . The engagement projections 40 of the operation body 32 act as guide members for moving the operation body 32 up and down by engaging with the vertical grooves 36 of the guide cylinder 31, and the engagement projections 40 serve as the guide projections of the guide cylinder 31. The dimensions are set so that the upper surface of the operating body 32 and the upper surface of the plug body 10 are flush with each other in the state of being brought into contact with the upper end of the vertical groove 36 and restricted in the upward movement (FIGS. 1 and 5).
reference).

The movable member 33 has a crown shape similar to the operating body 32, and can move up and down inside the operating body 32. The outer peripheral surface of the lower end portion of the movable member 33 is engaged with the sawtooth-shaped irregularities 41 of the operating body 32 from below.
42 are formed at equal intervals in the circumferential direction. An inclined surface 42A having the same direction and the same inclination as the slide portion 37 is formed on the upper surface of each protrusion 42. The movable member 33 is positioned at the top dead center in a state in which each of the protrusions 42 is engaged with each of the sawtooth-shaped irregularities 41 of the operating body 32 in each of the vertical grooves 36 of the guide cylinder 31 (in other words, the valve body 24 Is closed, and the movable member 33 is positioned at the bottom dead center in a state in which each of the protrusions 42 is locked to the locking portion 39 of each slide portion 37 of the guide cylinder 31 (in other words, the valve is closed). The body 24 is opened).

The valve closing force member 34 has a cylindrical shape, and is arranged from above with respect to the protrusions 42 ... 42 which are locked to the locking portions 39 of the slide portions 37. It has the protrusion pieces 43 ... 43 which engage. An inclined surface 43A, which is opposite to the inclination direction of the slide portion 37, is formed on the lower end surface of each protrusion 43. The upper portion of the valve closing force member 34 has a protrusion 42 in a state in which each of the protrusions 43 is locked to the locking portion 39 of each slide portion 37.
It is dimensioned so that when it is engaged with (the valve body 24 is in the open state at this time), it slightly projects upward from the upper surface of the plug body 10. When the protrusions 43 and the protrusions 42 are not engaged with each other, the upper surface of the valve closing force member 34 and the upper surface of the plug 10 are flush with each other. Further, a flange portion 44 having an inverted L-shaped cross section, which should cover the gap S interposed between the valve closing force member 34 and the upper edge of the space 18, is integrally formed at the upper end of the valve closing force member 34. An engaging claw 45 which is formed on the lower end portion of the flange portion 44 and which engages with the upper end edge portion of the space portion 18 from below and acts to prevent the valve closing forcing member 34 from falling off.
Are formed.

The operation of the valve element 24 and the valve opening / closing mechanism 30 having the above construction will be described below. As shown in FIG. 1, when the valve body 24 is in the valve closed state, the movable member 33 is positioned at the top dead center by the urging force of the spring 35. That is, as shown in FIG. 5, each of the protrusions 42 of the movable member 33 has the sawtooth-shaped irregularities of the operating body 32 in which the engagement protrusions 40 are in contact with the upper ends of the vertical grooves 36 of the guide cylinder 31. 41, and is in a non-engaged state with each of the protruding pieces 43 of the valve closing force member 34. At this time, the upper surfaces of the operating body 32 and the valve closing forcing member 34 are flush with the upper surface of the stopper 10, and there is no member that obstructs the mounting of the cup 4 on the container body 1.

When the content liquid in the liquid container is to be poured out, the cup 4 is removed from the container body 1 and then the operating body 32 is pressed. Then, the operating body 32 is slid downward due to the engagement between the respective vertical grooves 36 of the guide cylinder 31 and the respective engaging protrusions 40 fitted in the respective vertical grooves 36, and the operating body 32 is slid downward.
Of the movable member 33 engaged with the sawtooth-shaped irregularities 41 of
2 is moved down. Then, as shown in FIG. 6, when each of the protrusions 42 is at the same position as the lower end portion of each of the first slide portions 37A of the guide cylinder 31, the serrated irregularities 41 and the protrusions 42 are brought into contact with each other in an inclined shape. Due to this, the protrusion 42 laterally moves in the direction of the arrow X in FIG. 6 due to the urging force of the spring 35, and at the same time when the pressing force on the operating body 32 is released, the first slide of the guide cylinder 31 is further performed. Guided by the portion 37A, it is moved to a position where it is locked by the locking portion 39 as shown in FIG. As a result, the movable member 33 is positioned at the bottom dead center while rotating by a predetermined angle (30 ° in the case of this embodiment), and the valve body 24 is in the valve open state as shown by the chain line in FIG. To be done. The first slide portion 3 of the protrusion 42 during the operation process of the movable member 33.
When sliding 7A, the protrusion 4 of the valve closing force member 34
3 is pushed upward by the engagement with the protrusion 42, so that the upper portion of the valve closing force member 34 is projected upward from the upper surface of the stopper 10. As a result, the open state of the valve body 24 (in other words, the open state of the liquid passage 19) can be easily confirmed from the outside.

After that, when the operating body 32 is moved downward again,
Movable member 3 engaged with the sawtooth-shaped irregularities 41 of the operating body 32
3 each of the protrusions 42 moves downward, and the locking portion 3 of each slide portion 37.
When reaching the position where the locking state by 9 is released (that is, the lower end position of the second slide portion 37B), the sawtooth-shaped irregularities 4 are formed.
1 and the protrusion 42 are in contact with each other in an inclined shape, the protrusion 42 laterally moves due to the biasing force of the spring 35,
Simultaneously with the release of the pressing force to the operation body 32, the guide body 31 is further guided by the second slide portion 37B of the guide cylinder 31 to be guided to the position where it engages with the vertical groove 36, and then returns to the state of FIG. 24 is closed. At this time, the protrusion 43 of the valve closing force member 34
The pushing force exerted by the protrusion 42 on the valve is released, and the valve closing force member 34 is returned to a position where its upper surface is flush with the upper surface of the stopper 10.

Incidentally, with the valve body 24 left open,
When the cup 4 is screwed onto the container body 1, the case shown in FIG.
As described above, since the upper portion of the valve closing force member 34 is projected above the upper surface of the stopper 10, the pressing force due to the screwing of the cup 4 acts on the upper surface of the valve force closing member 34, and The valve forcing member 34 will be pushed down.
Then, the protrusions 42 of the movable member 33, which are engaged with the protrusions 43 of the valve closing force member 34, are moved down to cause the locking portions 3 to move.
The locked state by 9 is released. Therefore, as described above, the protrusion 42 is guided by the second slide portion 37B of the guide cylinder 31 and is engaged with the vertical groove 36 that allows the upward movement, and the valve body 24 is automatically closed. To be done. As described above, in the state where the cup 4 is screwed into the container body 1, the valve body 24 is always closed, so that it is possible to reliably prevent a decrease in the heat retention capacity and the outflow of the liquid.

When it is desired to remove the inner body 11 and the outer body 12 of the plug body 10 in this embodiment, first, the threaded portions (1C and 13) of the container body 1 and the outer body 12 are loosened to remove the inner body. 11
The outer body 12 in the state of being attached is taken out from the container body 1, and then the male screw 22 of the inner body 11 and the female screw 14 of the outer body 12 are loosened to release the coupling between the inner body 11 and the outer body 12. The two are separated. Since the outer wall surface of the inner body 11 and the inner wall surface of the outer body 12 can be separated and opened to the outside in a state where the inner and outer bodies 11 and 12 are separated, the plug internal liquid passage 20, the spout 21, and the liquid passage 16 are formed. The outer wall surface of the inner body 11 and the inner wall surface of the outer body 12 to be formed can be completely cleaned in every corner.

[0025]

[Second Embodiment] A first embodiment of the present invention will be described below with reference to FIG. This is an inner body 11 forming the stopper 10.
In terms of the shape of the outer body 12, the screwing position of the inner body 11 and the outer body 12, and the specific configuration of the plug internal liquid passage 20 formed between the inner body 11 and the outer body 12, the first embodiment is different from the first embodiment. Notably different. The inner body 11 and the outer body 12 forming the stopper 10 are detachably provided, and the stopper 10 is also attachable / detachable to / from the container body 1 as in the first embodiment. Other configurations such as the valve body 24 and the valve opening / closing mechanism 30 are substantially the same.

That is, in the outer body 12 of this embodiment, the inner wall 12A is formed into a funnel shape and the internal thread 14 is formed in the lower part, and the heat insulating space 12 is provided between the inner wall 12A and the inner wall 12B.
Internal thread 13 formed on the outer wall 12C while forming D
The outer body 12, that is, the plug body 10 is detachably coupled to the container body 1 by screwing A with the male screw 1C formed on the upper portion of the outer wall 1B of the container body 1 and the lower portion of the inner wall 12B. A seal member 15A is fitted on the.

The inner body 11 is composed of a substantially funnel-shaped upper divided body 11A and a lower divided body 11B, and a liquid passage is provided between a lower outer peripheral surface 50 of the upper divided body 11A and an inner peripheral surface 51 of the lower divided body 11B. 16
52 are formed, the plurality of engaging claws 52 ... 52 provided upright on the lower divided body 11B are connected to the lower outer peripheral surface 50 of the upper divided body 11A.
53 are integrally fitted into the engaging grooves 53 ... 53 formed in the above to integrally join the upper divided body 11A and the lower divided body 11B.

The lower portion of the liquid passage 16 has an inlet 16 for the content liquid.
A, the inlet 16A communicates with the in-plug liquid passage 20 formed between the inner body 11 and the outer body 12, and the tip of the in-plug liquid passage 20 is pourable from all directions. Exit 21
There is. By screwing the male screw 22 formed on the lower divided body 11B of the inner body 11 and the female screw 14 of the inner wall 12A of the outer body 12, the inner body 11 and the outer body 12 can be detachably coupled. By removing the inner body 11 and the outer body 12, the outer wall surface of the inner body 11 and the inner wall surface of the outer body 12 are separated and opened to the outside.

Upper divided body 11A and lower divided body 11 of inner body 11
As in the first embodiment, a valve element 24 is provided at the center of B so as to be vertically movable. The valve body 24 is composed of a valve rod portion 25 and a valve body portion 26, and is opened or closed by a valve opening / closing mechanism 30 provided in the space 18 of the upper divided body 11A of the inner body 11. When the valve is closed, the packing 27 of the valve body 26 is the inner body 1
It is adapted to be seated on the opening edge portion of the lower surface of the lower divided body 11B of No. 1.

The constituent elements, functions, and the like of the valve opening / closing mechanism 30 are the same as those in the above-mentioned embodiment, so that the description thereof will be omitted. In FIG. 2, 5 is a handle of the container body 1 and 6 is a grip portion of the cup 4. When it is desired to remove the inner body 11 and the outer body 12 of the stopper 10, first, loosen the screwed portions (1C and 13A) between the container body 1 and the outer body 12, and remove the outer body with the inner body 11 attached. The body 12 is taken out from the container body 1, and then the male screw 22 of the inner body 11 and the female screw 14 of the outer body 12 are loosened to release the coupling between the inner body 11 and the outer body 12 to separate them. . The liquid passage 20 in the stopper with the inner body 11 and the outer body 12 separated from each other.
That is, since the outer wall surface of the inner body 11 and the inner wall surface of the outer body 12 are separated and can be opened to the outside, the liquid passage 20 in the plug and the spout 21
The outer wall surface of the inner body 11 and the inner wall surface of the outer body 12 forming the liquid passage 16 can be completely cleaned in every corner.

[0031]

According to the present invention, (1) the inside of the plug formed between the outer wall surface of the inner body and the inner wall surface of the outer body by the operation of the valve opening / closing mechanism provided in the inner body to operate the valve body. In a stopper for a liquid container in which a content liquid is poured out from a liquid passage, the inner body is detachably coupled to the outer body by screwing or fitting, and the inner body is removed when the inner body and the outer body are removed. Since the outer wall surface of and the inner wall surface of the outer body can be separated and opened to the outside, by removing the inner body from the outer body,
The outer wall surface of the inner body and the inner wall surface of the outer body forming the liquid passage in the plug, the spout, and the like can be thoroughly cleaned. Particularly, despite having a complicated structure such as a valve body and a valve opening / closing mechanism, the liquid passage in the plug can be easily washed. Therefore, it is possible to provide a hygienic plug for a liquid container, which can prevent the generation of mold and the attachment of dust due to various bacteria.

(2) Further, even when the hot water stain or the tea leaves are clogged in the liquid passage in the stopper or the spout, etc., these hot water stains are removed by separating the inner and outer bodies as described above. Not only can tea leaves be easily removed and washed, but the content liquid can be poured out smoothly.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of a first embodiment.

FIG. 2 is a longitudinal sectional view of a second embodiment.

FIG. 3 is a horizontal cross-sectional view of a threaded portion between the inner body and the outer body in FIG.

FIG. 4 is an exploded side view showing a part of the valve opening / closing mechanism in cross section.

FIG. 5 is a development view showing an operating state of a valve opening / closing mechanism.

FIG. 6 is a development view showing another operating state of the valve opening / closing mechanism.

FIG. 7 is a development view showing still another operating state of the valve opening / closing mechanism.

[Explanation of symbols]

 1 Container Main Body 1A Inner Wall 1B Outer Wall 1C Male Thread 10 Plug Body 11 Inner Body 12 Outer Body 12A Inner Side Wall 12B Middle Side Wall 12C Outer Side Wall 13 Female Thread 14 Female Thread 16 Liquid Passage 18 Space Section 19 Liquid Passage 20 Plug Inside Liquid Passage 21 Pouring Outlet 22 Male Thread 24 valve body 30 valve opening / closing mechanism 31 guide cylinder 32 operating body 33 movable member 34 valve closing forcing member 35 spring

Claims (2)

(57) [Scope of utility model registration request] 1. A plug internal liquid passage 20 formed between an outer wall surface of an inner body 11 and an inner wall surface of an outer body 12, a valve body 24 for opening and closing the plug inner liquid passage 20 and an inner body 11 Provide the valve body 24
And a valve opening / closing mechanism 30 for operating the
In the liquid container stopper body in which the content liquid is discharged from the stopper inner liquid passage 20 by the operation 0, the inner body 11 is detachably coupled to the outer body 12 by screwing or fitting. A stopper for a liquid container, wherein the outer wall surface of the inner body 11 and the inner wall surface of the outer body 12 can be separated and opened to the outside when the outer body 11 and the outer body 12 are detached. 2. A male screw 22 is formed on the inner body 11 and a female screw 14 is formed on the outer body 12, and the inner body 11 and the outer body 12 can be detached by the male and female screws 22, 14. Stopper for liquid container.