JPS6046965B2 - Liquid container spout device - Google Patents

Description

[Detailed Description of the Invention] Technical Field The present invention relates to a liquid container such as a thermos flask whose content is dispensed by a manual or electric pump, and a dispensing path for guiding the content dispensed by the pump to the outside. The present invention relates to a pouring spout device for a liquid container, which is provided with a downward guide path that guides the liquid to be poured downward from the top of the container body and allows the height of the lower spout to be adjusted.

Prior art Π - Such a liquid container is disclosed in, for example, Utility Model Application Publication No. 53-16295.
This method has already been proposed as known in Japanese Patent No. 5 and Japanese Utility Model Publication No. 1837/1983.

However, the downward guide path and the guide structure attached to it are exposed, and regardless of the spout height adjustment structure, it has a complicated appearance and is unsightly.
Easily damaged by tampering or excessive force during handling. Also, if you directly touch the downward guide path when pouring hot water, you will feel hot and it is dangerous. Such a risk is particularly likely to occur when the spout height is adjusted. Purpose This invention provides a liquid container which can solve the above-mentioned conventional drawbacks by providing a passage cover on a downward guide passage whose lower end spout is adjustable in height so as not to impair its function and operability. Our aim is to provide spout devices.

Structure In the present invention, in a liquid container equipped with a content liquid dispensing pump and a dispensing passage for guiding the content dispensed by the pump to the outside, the dispensing content liquid is passed through the dispensing passage to the front of the vessel body. A downward guide path that is positioned to guide downward from the top and has a vertical moving part that adjusts the height of the lower end spout, a fixed passage cover provided at the front of the body to cover the downward guide path, and A movable passage cover that covers the guide path downward movement part is provided, and at least a part of the movable passage cover is used as a spout vertical movement operation part located outside the fixed cover.

The working fixed passage cover and movable passage cover are located at the lower end. The downward guide path including the vertical movement part for adjusting the height of the spout is covered so that it is not exposed to the outside, and is not directly touched by hands or exposed to external force.

In particular, the movable passage cover that covers the vertically movable section performs the covering function without interfering with the vertical movement of the vertically movable section, and serves as an indirect operating section for adjusting the spout height. Embodiment 1 To explain the embodiment shown in FIGS. 1 to 6, 1 is a liquid container body, forming a thermos flask with a double vacuum bottle 3 built into an exterior case 2. ing.

A saucer-shaped shoulder 5 having a hot water supply port 4 communicating with the upper end opening of the bottle 3 is fixed to the upper end of the outer case 2, and a lid 7 with a built-in manual air pump 6 is disposed on the shoulder 5. , is pivotally attached 8 to the rear part of the shoulder part 5 and configured to be openable and closable. The lid 7 has an operating part 9 protruding from its front surface, is pivotally connected to the lid 7 by a pin 10, and has a spring 1.
1 is provided with a lock lever 12 biased counterclockwise, which engages with the locking portion 13 of the shoulder portion 5 when the lid 7 is closed.
The structure is such that it locks. The hot water supply port 4 has a stopper that includes an air supply passage 15 that communicates the air discharge port 14 of the air pump 6 with the inside of the bottle 3 when the lid 7 is closed, and a spout passage A that guides the content liquid to the outside. 19 is removably fitted.

The spouting path A includes a liquid discharge pipe 16 that hangs down from the stopper 19 into the bottle 3 and has its lower end opened near the bottom of the bottle, and a liquid outlet pipe 16 that extends from the stopper 19 to the shoulder 5.
It consists of a spouting pipe 17 that extends toward the front of the container body along the top surface, and a passage 21 that communicates the draining pipe 16 and spouting pipe 17 within the stopper 19. A valve 18 is provided in the passage 21 to allow the pouring pipe 17 to communicate with the valve 18 .
The valve 18 is biased upwardly by a spring 20 to open the outlet pipe 16.
A passage 2 provided in the stopper 19 so as to shut off the spout pipe 17 and the spout pipe 17.
An operating portion 23 is provided which is seated on a valve seat 22 in the valve body 1 and projects through the plug body 19 upwardly.

The air pump 6 has a built-in restoring spring 24 that acts in a direction to expand the internal space of the pump chamber, and by pressing down a pressing plate 25 exposed on the top surface of the lid 7, the air inside the pump chamber is pumped into the supplied air. It is designed to be pumped into the bottle 3 via a passage 15.

26 is an intake valve that is operated when the pump 6 is returned upward by the spring 24, and 27 is its intake port.

On the other hand, an operating rod 28 is provided, through which the pump 6 is inserted, and whose lower end faces the upper surface of the operating portion 23 of the valve 18.
The pump 6 is biased downward and supported on the upper wall of the pump 6.

This is a structure in which, by pressing down on the pressing plate 25, the operating rod 28 is moved downward via a spring 29, and the valve 18 is pressed down at the lower end of the operating rod 28, thereby opening the passage 21. Therefore, spring 29 is stronger than spring 20 which urges valve 18 upward. By pushing down the pressure plate 25, the upper wall of the pump 6 is pushed down via the intake valve 26, and the air inside the pump 6 is drawn into the bottle 3.
As described above, the liquid is pumped into the vessel and the liquid is poured out of the vessel through the outlet pipe 16 and the pouring pipe 17.

When the pressing force on the pressing plate 25 is released, the spring 24
, 29 causes the press plate 25, the pump upper wall, and the operating rod 28 to return upward, and at this time the intake valve 26 opens the intake port 27 to allow atmospheric air to flow into the pump chamber. A long downward guide path B for guiding the liquid content further downward is provided in the dispensing path A from an overhanging part to one side of the container shoulder 5, near the outer surface of the container 1,
A spout portion 31 is formed at the lower end of the downward guide path B, which is bent so as to separate the tip spout 30 from the outer surface of the container body 1 .

The downward guide path B is inserted from above into the opening 32 of the beak-shaped portion 5a of the shoulder portion 5 that protrudes from one side of the container body 1, and is held detachably, and the content liquid is discharged from the discharge port 33 of the spout pipe 17. It consists of a base tube 34 that is to receive the spout 30 of the tip tube 35, and a vertically movable tip tube 35 that is fitted onto the outer periphery of the base tube 34 so as to be movable up and down and has the spout 31 at its lower end.
and a movable passage cover 3 that integrally covers all parts except the upper end.
6, and the cover 36 has a U-shaped upper half 3 in cross section.
A partially open hole 36C'' opened in the top plate 36b of the tip tube 35 is elastically fitted into a groove 35c formed between the upper end flanges 35a and 35b of the tip tube 35, and is moved up and down integrally with the tip tube 35. On the other hand, the lower half covers the spout 31 and serves as an operation knob 36c for adjusting the height of the spout 30. On the outer surface of the container 1, the lower end of the base plate 37a is attached to the case 2.
Attach with the screw 38, and attach the protruding piece 39 in the center to the case 2.
A fixed passage cover 37 inserted into the hole 40 is provided, and the downward guide passage B is covered by a cover part 37b integrally molded on the upper half of the base plate 37a. Further, the upper half 36a of the passage cover 36 is slidably inserted into the cover part 37b from below and guided, and a pair of guide rails 37 formed on the front of the lower half of the base plate 37a are provided.
c is engaged with the notched kite hole 36e formed in the bottom plate 36d of the knob 36c portion of the passage cover 36, thereby holding the passage cover 36 and the tip tube 35 vertically movably. Engagement unevenness 37e is formed on both inner surfaces of the groove 37d, and a synthetic resin bifurcated spring 41 is housed in a pocket portion 35d located in the groove 37d and open to both sides on the back surface of the upper end of the tip tube 35. ,
By elastically engaging the engaging claws 41b formed on the outer surfaces of both arms 41a of the spring 41 with the engaging unevenness 37e, the passage cover 36 and the tip tube 35 are moved to an arbitrary position and locked, The spout 30 is intended to be stabilized at a desired height that matches the liquid receiving container 42. The upper end portion 37f of the fixed passage cover 37 is fitted into and held by a cylindrical portion 5c formed on the lower surface of the beak-shaped portion 5a of the shoulder portion 5. This fixed passage cover 3
7 completely hides the boundary between the passage cover 36 and the base tube 34, which are displaced up and down when the height of the spout 30 is adjusted, resulting in an aesthetically elegant configuration. Further, the fixed passage cover 37 is fixed to the movable passage cover 36.
Since it functions as a guide member for guiding the vertical movement of the guide member B and as an upward positioning member for the spout portion 31 of the downward guide portion B, there is no need to provide a separate upward positioning mechanism, and the configuration can be simplified. Note that the spring 41 may be formed of a metal wire. Of course, other methods can be used for the vertical movement structure of the tip tube 35 and its guiding method. The covers 36 and 37 protect the downward guide path B from external forces, and prevent the operator's hands from getting hot or getting burnt if they touch the guide path B directly.

In particular, the heat-resistant external force safety gap S between the capacitors 36 and 37 and the guide portion B enhances such effects. A cover portion 37 extends along the entire length from the same height as the shoulder portion 5a to the bottom of the vessel body 1.
A fixed passage force bar 37 with b is provided, and the cover part 3
The base plate 37b, which is screwed 51 to the back surface of the base plate 37b, is attached to the exterior case 2 by screws 52, and a knob 36c that covers the spout portion 31 of the tip tube 35 and the spout portion 31 of the movable passage cover 36 for the tip tube 35 is attached. , cover part 37b
The height of the spout 30 can be adjusted by vertically moving the passage cover 36 and the tip tube 35 inside the cover part 37b so as to face the outside through a vertically long window 53 opened at the front.

An auxiliary wall 36f is also provided at the bottom of the knob 36c to prevent the lower part of the window 53 from being opened and the interior to be seen when the spout 7 spout 31 is located above the window 53, and to prevent the inside from being seen. Elastic tongue pieces 36g are formed by making incisions 54 from below in both side plates of the wall 36f, and engaging claws 36h formed on the outer surface of the lower end of each of the tongue pieces 36g are formed on the inner surface of the side plates of the cover portion 37b. By elastically engaging the engagement unevenness 37g, the spout 30 can be locked at an arbitrary height. The passage cover 36 and the tip tube 35 are fixed with screws 55 so that they can move up and down integrally. The base tube 34 is
Although it is formed integrally with the beak-shaped portion 5a of the shoulder portion 5 and is hung therefrom, it may be held detachably as in the previous embodiment. Spout part 31
is bent almost horizontally, and the residual drops that remain scattered in the long downward guide path B after pouring gradually merge as they fall down.
The horizontal spout part 31, which is wide compared to the amount of water, prevents the water from flowing down from the spout 30 after a small amount has been sent.
It is retained at the bottom by surface tension and prevented from flowing out. The downward guide path B is a rectangular passage with a flat cross section, and the degree of protrusion of the extending portion from the outer surface of the vessel body 1 is reduced. Therefore, the discharge port 33 of the spout pipe 17 is also opened in a similar rectangular shape. 11 to 13 show still another modification of FIG. 1, in which a base plate 37a of the fixed passage cover 37 is
Only one guide rail 37c is formed in the shape of a dovetail to be provided on the front surface of the lower half, and a dovetail groove-shaped cut guide hole 36e formed in the knob bottom plate 36d of the movable passage cover 36 is engaged with this guide rail 37c. The lower end 37h of the base plate 37a is held by a presser 102 attached to the outer surface of the outer case 2 with rivets 101, making the appearance simpler than that shown in FIG. In addition, a w-shaped spring 103 made of metal wire is used as a member that engages with the engagement unevenness 37e of the fixed passage cover 37 and locks the tip tube 35 in an arbitrary position.
The central winding portion 103a is inserted into the protruding shaft 104 protruding from the back surface of the tip tube 35, and both arms 103b are inserted below the protruding shaft 104 into the left and right protrusions of the T-shaped wall 105 protruding from the tip tube 35. Engagement claws 103c that are engaged with and held by the pieces 105a and bent at the ends of both arms 103b are connected to the engagement projections 3.
7, e is elastically engaged. 361 is passage cover 36
There is a notch that provides a relief for the W-shaped spring 103. Furthermore, an O-ring 106 is fitted to the lower part of the upper end flange 34a of the base tube 34, which is received in the opening 32 formed at the bottom of the beak-shaped part 5a of the shoulder 5, to prevent liquid from leaking from the opening 332. It is prevented. The other configurations are not much different from those in FIG. 1, and their explanation will be omitted. Effects According to the present invention, the downward guide path that guides the dispensing content to the desired height of the container includes a vertically movable part for adjusting the height of the lower end spout, and the fixed passage cover and the movable passage cover This prevents it from being exposed to the outside and damaging its appearance, or from coming into direct contact with the operator's hands, etc., and is well protected from external forces.

In particular, the vertical movement part is covered by a movable passage cover, and its integral movement allows it to receive the effect of the cover without being hindered from vertical movement for adjusting the height of the spout. Therefore, the vertical movement part has a safe and easy vertical movement operation part without using any other special parts, and the spout can be vertically moved safely and easily without complicating the structure. possible.

[Brief explanation of the drawing]

FIG. 1 is a side view of one embodiment as seen in longitudinal section, excluding a part;
Figure 2 is a front view of the half part, Figure 3 is a partial plan view, Figure 4 is a partial bottom view, Figure 5 is a cross-sectional view of the main part, and Figure 6 is a partial exploded slope. Fig. 7 is a side view of a half part of another embodiment when the main part is seen longitudinally, Fig. 8 is a plan view of the main part, Fig. 9 is a cross-sectional view of the main part, and Fig. 10 is a main part. Figure 11 is the rear view of the
FIG. 12 is a partially sectional view showing still another embodiment, FIG. 12 is a partially oblique view of the external appearance, and FIG. 13 is a partially oblique view. 1... Container body, 2... Exterior case, 3.
...Double vacuum bottle, 4...Hot water inlet, 5...
... dish-shaped shoulder, 6 ... manual air pump,
7...Lid, 15...Air supply passage, 19.
...Bung body, 30... Outlet, 31...
... Outlet part, 34 ... Base tube, 35 ...
...Vertical movable tip tube, 36...Movable passage cover,
36c...Knob, 37...Fixed passage cover, A...Pouring path, B...Downward guide path, S...Heat protection , external force safety gap.

Claims (1)

[Scope of Claims] 1. A liquid container equipped with a content liquid dispensing pump and a dispensing path for guiding the content liquid dispensed by the pump to the outside,
It is located at the front of the container to guide the dispensing contents downward from the top of the container through the spouting channel, and covers the downward guideway and the downward guideway that has a vertically moving part that adjusts the height of the lower end spout. A spout vertical movement operation comprising a fixed passage cover provided at the front part of the container body and a movable passage cover covering the downward moving part of the downward guide path, and at least a part of the movable passage cover is located outside the fixed cover. A spout device for a liquid container, characterized in that: 2. The spout of a liquid container according to claim 1, wherein at least the fixed passage cover among the fixed passage cover and the movable passage cover has a safety gap against heat and external force between the fixed passage cover and the downward guide path. Device. 3. The downward guide path is provided along the outer surface of the container from the projecting portion of the spout passage toward one side of the shoulder at the upper end of the container, and the spout portion is bent so as to separate the spout from the outer surface of the container. The liquid container spout device according to item 1. 4. The spout of a liquid container according to claim 1, wherein the downward guide path is provided so as to protrude from a portion of the spout path that faces into the container exterior casing from the upper end shoulder of the container to one side of the exterior casing. Device. 5. The downward guide path includes a base pipe that is fixedly provided at least vertically at the front of the container body to receive the liquid poured out from the spouting path, and a vertical movement pipe that receives the liquid poured downward from the base pipe. A spout device for a liquid container according to claim 1, which is formed of: 6. The spout device for a liquid container according to claim 5, wherein the movable passage cover is integrally provided with the vertical movement pipe. 7. The spout device for a liquid container according to claim 1 or 6, wherein the movable passage cover has an overlapping portion that fits into the fixed cover. 8. The spout device for a liquid container according to claim 1, wherein the vertically moving part is provided with a position holding means for holding it at an arbitrary adjustment position.