JP3531413B2 - Liquid container stopper device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stopper device for a liquid container, and more particularly, to one-touch injection with a stopper attached to an opening of a container body. The present invention relates to a stopper device for a liquid container configured to obtain the same. 2. Description of the Related Art As shown in FIG. 1, a stopper device for a liquid container of this type is detachable from an opening 1a of a container body 1 and has a liquid injection passage 3 therein. Body 2;
A valve body 4 for opening and closing the inlet 3a of the liquid injection passage 3, a valve-opening operation member 5 for opening the valve body 4, and the valve-opening member between the valve-opening operation member 5 and the valve body 4; 1 of the valve operating member 5
A rotating body 6 that is rotated down by a predetermined angle after being moved down each time, a valve closing operation member 7 for closing the valve body 4 in an open state, and closing the valve body 4 A device provided with a spring 8 as a biasing means for biasing in a direction is well known in the related art (for example, see Japanese Utility Model Publication No. 4-4686). The opening / closing mechanism of the valve element 4 in the plug device having the above-described structure will be described in detail with reference to FIGS. 7 to 9, reference numeral 5a denotes an upper surface of the valve-opening operation member 5, 7a denotes an upper surface of the valve-closing operation member 7,
10 <br/> upper part and the lower part positioning means for positioning the lower turned position where upward movement position and the valve body 4 to the rotating body 6 the valve body 4 is closed is opened, 11 open A saw blade-shaped uneven portion formed at the lower end of the valve operating member 5, 12 is a valve opening operating member 5.
The reference numeral 13 denotes an outward projection protruding from the outer periphery of the rotating body 6, and the numeral 14 denotes a downward projection formed at the lower end of the valve closing operation member 6. The lower end surface of the downward projection 14 has a lower right slope 14 a and a right upper slope 1.
4b. Here, in order to make the explanation of each operation easy to understand, members attached to the valve-opening operation member 5 are indicated by solid lines, members attached to the rotating body 6 are indicated by dotted lines, and members attached to the valve-closing operation member 7 are indicated by two points. In the chain line,
The member that comes to the upper portion and the lower portion locating means 9 and 10 is shown by a dashed line. [0005] When the plug device having the above structure is in the valve closed state,
As shown in FIG. 7, the upper surface 5a of the valve-opening operation member 5 and the upper surface 7a of the valve-closing operation member 7 are positioned at the same height (that is, the same height as the upper surface of the stopper device). Is positioned at the upper limit position (that is, the upper positioning means 9). When the valve-opening operation member 5 is pushed down from the above state, as shown in FIG. 8, the outward projection 13 of the rotating body 6 is lowered by engagement with the saw blade-shaped uneven portion 11 of the valve-opening operation member 5. It is pushed down below the lower end of the positioning means 10. At this time, the valve element 4 is in the maximum open state. When the pressing force on the valve opening operation member 5 is released from this state, the rotating body 6 is pressed by the urging force of the spring 8.
Is pushed up, and the outward projection 13 is moved upward by the inclined surface 11 b of the saw-toothed uneven portion 11 and the lower positioning means 1.
Move up along 0 . At this time, since the closing operation member 7 is in a free state, as shown in FIG. 9, the outward protrusion 13 of the rotating body 6, the valve body by the lower positioning means 10 4
Is positioned at a position where the valve is opened. Thereafter, when the valve closing operation member 7 is pressed down, the outward projection 13 of the rotating body 6 is guided by the upwardly inclined slope 14b of the downward projection 14 by the biasing force of the spring 8, and rotates, as shown in FIG. As described above, the upper positioning means 9
, And the valve element 4 is in the valve closed state. [0009] However, in the case of the stopper device having the above-described structure, the stopper device in the liquid container is usually covered with a cup when not in use. Therefore, when an impact force acts by dropping the liquid container or the like, the valve body 4 may momentarily open (in other words, move downward). Then, the rotating body 6
The outward projection 13 also moves downward, as shown in FIG.
The lower positioning means 10 may be positioned below the lower end. Then, as described above, the outward projection 13
Moves upward along the lower positioning means 10 and comes into contact with the downwardly inclined surface 14a of the downward projection 14 of the valve closing operation member 7. However, since the valve closing operation member 7 is regulated to move upward by the cup, It will be positioned at the position of contact with the downward slope 14a. When the cup is removed from the above state, the valve closing operation means 7 becomes free, and the outward projection 13 of the rotating body 6 is positioned by the lower positioning means 10 as shown in FIG. Although the valve is in the open state, the valve-opening operation member 5 is in the non-operating state, so that if the liquid container is tilted as it is while misunderstanding that the valve is in the valve-closed state, the content liquid may flow out. The present invention has been made in view of the above points, and in a plug device that is opened and closed by a one-touch operation, the valve is prevented from being carelessly opened due to an action such as an impact force. It is intended for that purpose. In the basic structure of the present invention, as a means for solving the above-mentioned problems, a plug which is detachable from an opening of a container body and has a liquid injection passage therein. A main body, a valve body for opening and closing the inlet of the liquid injection passage,
A valve-opening operating member for opening the valve body, and a predetermined angle between the valve-opening operating member and the valve body after being lowered for each operation of the valve-opening operating member. A rotating body to be closed, a valve closing operation member for closing the valve body in an open state, and an upward movement position in which the rotating body is closed and the valve body is in an open state. the upper portion and lower portion positioning means for positioning the lower turned position comprising, SenSo of the liquid container that includes a biasing means for biasing the valve body in the valve closing direction
In the position, the rotating body, which is moved downward by the operation of the valve-opening operation member to bring the valve body into the valve-open state, is positioned at the upper-moving position where the valve body becomes the valve-closed state.
In order to guide the to so that, below said lower positioning means
And the diagonally upward from the maximum lower movement position of the rotating body
An inclined guide surface is provided which is inclined at the moment. With the above construction, when the liquid container is dropped, the valve body instantaneously moves downward due to the impact force of the fall, and accordingly, the rotating body moves downward from the lower end of the lower positioning means. In this case, the rotating body is tilted by the tilt formed on the valve closing operation member.
The valve is rotated by being guided by the inclined guide surface , and the valve is closed.
The upper positioning means is positioned at the upper movement position. That is, when an impact force is applied, even if the valve is instantaneously opened, the valve always returns to the closed state. Also, below the lower positioning means
Position and diagonally upward from the maximum lowering position of the rotating body
The inclined guide surface is provided on the valve closing operation member.
With a simple configuration, the valve body can be reliably maintained in the closed state.
There is also an effect that. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. As shown in FIG. 1, this liquid container is composed of a container main body 1 made of a vacuum double container made of stainless steel and a plug main body 2 which is a plug device for hermetically closing the opening 1a of the container main body 1. It is configured. The plug body 2 is
In the closed state, the container is covered with a cup 15 which can be detachably attached to the container body 1 by a screw. The plug body 2 has a liquid injection passage 3 therein, and a screw tube 16 for screwing a valve opening / closing unit A to be described later is integrally formed at the bottom thereof. An insertion hole 1 formed in the center of the bottom of the screw cylinder 16
7, a valve body 4 for opening and closing the inlet 3a of the liquid injection passage 3 is inserted and supported so as to be vertically slidable. The valve body 4 includes a valve portion 4a that opens and closes the inlet 3a, and a valve stem 4b that extends upward from the center of the valve portion 4a.
It is urged in the valve closing direction by a spring 8 interposed between a spring receiver 18 supported on the upper portion of the valve rod 4b and the bottom surface of the screw cylinder 16. The insertion hole 17
A guide cylinder 19 for guiding the valve rod 4a of the valve body 4 so as not to be tilted when sliding up and down is integrally protruded upward from the upper edge of the upper end. Reference numeral 20 denotes a seal packing provided at the liquid inlet 3a. The valve opening / closing unit A includes the screw cylinder 16
A two-stage cylindrical case 21 having an upper large-diameter cylindrical portion 21a and a lower small-diameter cylindrical portion 21b, and a guide fitted and fixed in the large-diameter cylindrical portion 21a of the case 21 A valve opening operation member 5 for opening the valve element 4, and the valve opening operation member 5 between the valve opening operation member 5 and the valve element 4. Valve operating member 5
A rotator 6 that is rotated down by a predetermined angle after being moved down for each single operation, and a valve closing operation member 7 for closing the valve 4 that is in the valve open state are provided. . Referring now to FIG. 4, the valve opening / closing unit A
Will be described in detail. [0020] wherein the inner peripheral wall of the guide tube 22, the upper portion upward movement position and the valve body 4 to the rotating body 6 is the valve body 4 becomes a closed state is positioned below the dynamic position to be opened And
Fine lower portion locating means 9 and 10 are provided. The upper positioning means 9 is a plurality of vertically extending grooves formed on the inner peripheral wall of the guide cylinder 22, while the lower positioning means 10 is a plurality of inclined grooves extending obliquely upward from the lower end of the groove. The locking portion is formed in the middle. The valve-opening operation member 5 is formed in a cylindrical shape having an open lower part, and has a saw blade-shaped uneven portion 11 at its lower end.
Is formed. Reference numeral 12 denotes a detent piece protruding from the outer periphery of the valve opening operation member 5. The rotary body 6 is supported by a support portion 6a which is loosely fitted in the valve opening operation member 5 and extends below the support portion 6a and abuts on the upper end of the valve rod 4b of the valve body 4. Actuator 6b
And a rotating body 6 on the outer periphery of the operating portion 6b.
A packing 23 is provided for sealing the upper end opening of the lower small-diameter cylindrical portion 21b of the case 21 at the time of downward movement. A plurality of outward projections 13 are integrally formed on the outer periphery of the support portion 6a of the rotating body 6 so as to engage with the upper positioning means 9 formed on the guide cylinder 22. I have. The valve closing operation member 7 is an annular body which is slidably engaged with an upper end edge of the guide cylinder 22 so as to be vertically slidable. crash caused 1
Downward projections 14, 14,... That push down 3, 13,. The lower end surface of each of the downward projections 14 is an inclined guide surface 24 which is located below the lower positioning means 10 and which is inclined obliquely upward from the maximum downward movement position of the rotating body 6. The inclined guide surface 24 is
A guide section is configured to guide the rotary body 6 moved downward by the operation of the valve opening operation member 5 to an upper position where the valve body 4 is closed. 4 to 6, the members attached to the valve-opening operation member 5 are indicated by solid lines, the members attached to the rotating body 6 are indicated by dotted lines, and the valves are closed. manipulating member that comes with member 7 by a two-dot chain line shows the member that comes to the upper part and the lower part positioning means 9, 10 by a chain line. Furthermore, the valve and the inner peripheral surface of the outer periphery of the large diameter cylindrical portion 21a of the case 21 in the opening and closing unit A and the plug body 2, vertically oriented ridges mutually overcome each other when screwed in the valve unit A 25 and 26 are formed. In a state where the ridges 25 and 26 are over each other, it is difficult to unscrew the valve opening / closing unit A, and the unscrewing operation of the plug main body 2 can be easily performed. Further, the outer periphery of the spring receiver 18 supported by the valve rod 4b of the valve body 4 is formed along the inner peripheral surface of the small-diameter cylindrical portion 21b of the case 21,
Thereby, it is possible to prevent backlash during opening / closing operation of the valve body 4. Further, a plurality of ribs 27, 27,... Serving as knobs when the valve opening / closing unit A is rotated by a screw are integrally formed on the upper end surface of the case 21 at equal circumferential intervals. (See FIG. 2). Next, the operation of the plug device according to the present embodiment will be described with reference to FIGS. When the plug device is in the valve-closed state, as shown in FIGS. 1 and 4, the upper surface 5a of the valve-opening operating member 5 and the upper surface 7a of the valve-closing operating member 7 have the same height (ie, the plug device). At the same height as the upper surface of the guide cylinder 22), and the outward projection 13 of the rotating body 6 is at the upper limit position (ie,
It is positioned by the upper positioning means 9). When the valve-opening member 5 is depressed from the above state, as shown in FIG. It is pushed down below the lower end of the positioning means 10. At this time, the valve element 4 is in the maximum open state. When the pressing force on the valve-opening operating member 5 is released from this state, the rotating body 6
Is pushed up, and the outward projection 13 is moved upward by the inclined surface 11 b of the saw-toothed uneven portion 11 and the lower positioning means 1.
Move up along 0 . At this time, since the valve closing operation member 7 is in the free state, as shown in FIGS. 3 and 6,
The outward projection 13 of the rotating body 6 is positioned by the lower positioning means 10 at a position where the valve body 4 is opened. Thereafter, when the valve closing operation member 7 is pushed down, the outward projection 13 of the rotating body 6 is guided by the inclined guide surface 24 of the downward projection 14 by the urging force of the spring 8, and rotates. As shown in FIG. 4, the valve body 4 is positioned by the upper positioning means 9 and the valve body 4 is closed. When the liquid container is dropped, the valve body 4 momentarily moves downward due to the impact force of the drop, and accordingly, the outward projection 13 of the rotating body 6 moves from the lower end of the lower positioning means 10. In this case, the outward projection 13 of the rotating body 6 may be moved downward even if the valve closing operation member 7 is restricted by the cup 15. The valve body 4 is rotated by being guided by the inclined guide surface 24, and is positioned at the upper moving position (that is, the upper positioning means 9) at which the valve body 4 is closed. That is, when an impact force is applied, even if the valve is instantaneously opened, the valve always returns to the closed state. Therefore, when the cup 15 is removed and the liquid container is tilted, the content liquid does not flow out as in the related art. According to the present invention, there is provided a plug body detachably attached to the opening of the container body and having a liquid injection passage therein, and a valve body for opening and closing the inlet of the liquid injection passage. A valve opening operating member for opening the valve body, and a predetermined angle between the valve opening operating member and the valve body after being moved down for each operation of the valve opening operating member. A rotating body,
A valve-closing operation member for closing the valve element in the valve-open state, and moving the rotator to an upper position where the valve element is closed and a lower position where the valve element is open. the upper portion and lower portion positioning means for positioning the plug apparatus smell of the liquid container that includes a biasing means for biasing the valve body in the valve closing direction
Te, the valve closing operation member, position the valve opening operating member opened and forms rotator said valve body is caused to move downward by the operation of the upward movement position in which the valve body is closed Position below the lower positioning means to guide
And tilts obliquely upward from the maximum lowering position of the rotating body.
When the liquid container is dropped by providing an inclined guide surface , the valve body instantaneously moves downward due to the impact force of the fall, and accordingly, the rotating body is moved below the lower end of the lower positioning means. In this case, the rotating body is guided by the inclined guide surface formed on the valve closing operation member and rotates, so that the valve body is positioned at the upward movement position where the valve is closed, so that an impact force is applied. In this case, even if the valve is instantaneously opened, the valve always returns to the closed state, and when the liquid container is tilted, the contents liquid does not inadvertently flow out as in the conventional case. There is an excellent effect. Further , the lower positioning means is located below the lower positioning means.
And tilts obliquely upward from the maximum lowering position of the rotating body.
Since the inclined guide surface is provided on the valve closing operation member,
That the valve can be maintained in the closed state reliably
There is also an effect.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a sectional view showing a valve closing state of a stopper device for a liquid container according to an embodiment of the present invention. FIG. 2 is a top view of a valve opening / closing unit in the liquid container stopper device according to the embodiment of the present invention. FIG. 3 is a cross-sectional view showing a valve opening state of the stopper device for the liquid container according to the embodiment of the present invention. FIG. 4 is a developed explanatory view showing a closed state of the valve opening / closing unit in the liquid container stopper device according to the embodiment of the present invention. FIG. 5 is a development explanatory view showing a maximum open state of the valve opening / closing unit in the liquid container stopper device according to the embodiment of the present invention. FIG. 6 is a development explanatory view showing a valve opening state of a valve opening / closing unit in the liquid container stopper device according to the embodiment of the present invention. FIG. 7 is a development explanatory view showing a closed state of a valve opening / closing unit in a conventionally known liquid container stopper device. FIG. 8 is a developed explanatory view showing a maximum open state of a valve opening / closing unit in a conventionally known liquid container stopper device. FIG. 9 is a development explanatory view showing a valve opening state of a valve opening / closing unit in a conventionally known liquid container stopper device. [Description of References] 1 is a container body, 1a is an opening, 2 is a plug body, 3 is a liquid injection passage, 3a is a liquid injection passage inlet, 4 is a valve body, 5 is a valve opening operation member, 6 is a rotating body, 7 is a valve closing operation member, 8 is a spring,
9 is an upper positioning means, 10 is a lower positioning means, 13
Is an outward projection, 14 is a downward projection, 15 is a glass, 24
Is a guide portion (inclined guide surface), and A is a valve opening / closing unit.

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A47J 41/02 104 B65D 39/04 B65D 47/20

Claims (1)

(57) [Claim 1] A stopper body detachably attached to an opening of a container body and having a liquid injection passage therein, and a valve body for opening and closing an inlet of the liquid injection passage. A valve opening operating member for opening the valve body, and a predetermined angle between the valve opening operating member and the valve body after being moved down for each operation of the valve opening operating member. A rotating body to be urged, a valve closing operation member for closing the valve body in an open state, an upward movement position of the rotating body in which the valve body is closed, and the valve body being in an open state. a plug device for a liquid container with a top portion and a bottom portion position <br/>-decided Me means for positioning the lower turned position, and a biasing means for biasing the valve body in the valve closing direction becomes, The valve closing operation member includes a rotating body that is moved downward by the operation of the valve opening operation member to open the valve body. In order to guide so that be positioned to upward position where the closed state,
The rotating body positioned below the lower positioning means;
A stopper device for a liquid container, provided with an inclined guide surface that is inclined obliquely upward from the maximum downward movement position of the liquid container.