JPH0243326Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention is a pump liquid injection type that allows internal liquid to be poured out to the outside through a series of liquid injection passages using pressurized air from a pump device. It relates to liquid containers.

(Prior Art) FIG. 13 shows a conventional general pump injection type liquid container. In this conventional pump injection type liquid container, the stopper 130 that opens and closes the liquid supply opening 112 It is simply placed on the mouth edge of the liquid supply opening 112, and is closed by being pressed against the lower surface of the lid 102 (the lower surface of the pump bottom plate 109a) when it is closed. However, in this conventional pump injection type liquid container, when the lid locking member 122 comes off and the lid body 102 opens when the liquid container falls over, the stopper 1
30 came off the edge of the liquid supply opening 112, causing the liquid in the liquid container 105 to flow out.

In addition, in recent years, portable pump-filling liquid containers that are used by loading them into automobiles, etc., have become commercially available. There was a possibility that the internal pressure in the liquid container would rise due to the violent oscillation, and as a result, the stopper would be pushed up and the pump bottom plate might be deformed.

Incidentally, there have been conventionally known devices in which the stopper can be locked by screwing into the liquid supply opening (for example, Japanese Utility Model Application Publication No. 1985-85640); With this type, the stopper (liquid conduit unit) with the liquid pouring passage must be rotated each time it is attached or removed, and the large size of the liquid conduit unit makes the rotation operation cumbersome. It was hot.

(Purpose of the invention) In view of the above-mentioned problems with conventional pump-filling liquid containers, the present invention prevents the stopper from accidentally coming off from the liquid supply opening even when the liquid container is tipped over and the lid is opened. It is an object of the present invention to provide a pump-filling type liquid container in which the stopper is not accidentally removed from the liquid supply opening, and the stopper can be easily attached and removed. That is.

(Means for achieving the object) The present invention blows pressurized air from a pump device into a liquid container, and the liquid in the liquid container is passed through a liquid pouring passage provided in a stopper of a liquid supply opening to the outside. In a pump-type liquid container that can be poured into
A stopper locking mechanism is provided between the stopper and the liquid supply opening, which can lock the stopper to the mouth edge of the liquid supply opening while maintaining the normal mounting posture of the stopper. There is.

(Function) In the pump-filling liquid container of the present invention, the stopper is locked to the rim of the liquid supply opening by the stopper locking mechanism, so that even if the lid opens when the liquid container falls, the stopper will not stop. The stopper does not come off the rim of the liquid supply opening, and the stopper can be locked by the above-mentioned stopper locking mechanism while maintaining the normal mounting position relative to the liquid supply opening. Locking or unlocking can be done without moving the stopper. or,
A liquid pouring passage is attached to the stopper to form a liquid conduit unit, but by making it possible to lock or unlock it without moving the stopper in this way, it is possible to lock or unlock the liquid conduit unit without moving the entire liquid conduit unit. can be locked or unlocked.

(Embodiments) Several embodiments of the present invention will be explained with reference to Figs. 1 to 12. Figs. 1 to 3 show the first embodiment of the present invention, and Fig. 4 shows the same. The second embodiment, FIGS. 5 and 6 show the third embodiment, FIG. 7 shows the fourth embodiment, and FIGS. 8 and 9 show the fifth embodiment.
Embodiments FIG. 10 shows a pump-filled liquid container according to the sixth embodiment, and FIGS. 11 and 12 show a seventh embodiment.

The pump injection type liquid containers of the first embodiment shown in FIGS. 1 to 3 each have an annular ring on the top of the liquid container 5, which has a vacuum-insulated double wall structure consisting of an inner wall 5a and an outer wall 5b made of stainless steel plates. A liquid container main body 1 comprising a shoulder member 6 placed and fixed thereon, a lid unit 2 comprising a bellows type pump device 9 housed in a lid body 21, and a series of liquid pouring units communicating between the inside and outside of the liquid container 5. The liquid guiding pipe unit 3 has a passage 4 formed therein.

The lid unit 2 is pivotally attached to the upper rear side of the liquid container body 1 by a hinge device 8. This hinge device 8 is a hinge pin 8 provided on the lid unit 2 side.
The hinge pin 8a is configured to be able to detachably engage with the pin receiving portion 8b (in which an L-shaped pin receiving groove is formed) on the side of the liquid container main body 1, and the hinge pin 8a
by separating from the pin receiving part 8b, the third
As shown in the figure, the entire lid unit 2 can be removed.

A lid locking member 22 is provided at the front of the lid body 21.

The liquid container 5 and the shoulder member 6 are fixed by screws 11 (at five positions in the circumferential direction) screwed into the shoulder member 6 from above. In addition, the code|symbol 18 is a screw hidden cover.

An opening 12 serving as a liquid supply port is formed in the center of the shoulder member 6.

The liquid guiding pipe unit 3 has a vertical liquid pumping pipe 33 and a horizontal liquid pouring pipe 34 attached to a stopper 30 having a liquid passage 32 formed therein, and a discharge pipe 35 at the tip of the liquid pouring pipe 34. It is constructed by connecting. In addition, the liquid pouring passage 4
is composed of a liquid pumping pipe 33, a liquid passageway 32 in the stopper, a liquid pouring pipe 34, and a discharge pipe 35.

A stopper locking mechanism 7 is provided between the stopper 30 and the liquid supply opening 12 for removably locking the stopper 30 to the mouth edge 12a of the opening 12.

In the first embodiment, this stopper lock mechanism 7 locks the stopper 3.
A ring-shaped fixing member 14 is rotatably provided around the liquid supply opening 12 and has a locking part 15 formed on its outer peripheral surface, and a locking part 15 is provided at the mouth edge 12a of the liquid supply opening 12. It is composed of a stop portion 13.
The fixing member 14 has an annular groove 1 formed on its inner peripheral surface.
6 is attached to the outer circumference of the flange 31 of the stopper 30 by force-fitting it so as to be rotatable. Furthermore, fixing member 1
A knob 17 for rotational operation is provided on the top surface of 4.

The stopper locking mechanism 7 rotates the fixing member 14 with the stopper 30 portion of the liquid conduit unit 3 inserted into the liquid supply opening 12, and locks the locking portion 15 toward the mouth edge 12a of the opening 12. The plug 30 can be locked by helicoidally fitting into the locking portion 13 of the fixing member 14, and the plug 30 is unlocked by removing the locking portion 15 of the fixing member 14 from the locking portion 13 on the mouth edge 12a side. It is now possible to do so. In this way, this stopper lock mechanism 7 is connected to the liquid guiding pipe unit 3.
can be locked or unlocked while maintaining the normal mounting posture with respect to the liquid supply opening 12. When the stopper 30 is in the locked state, the annular packing 39 provided on the lower surface of the flange 31 of the stopper 30 is pressed against the upper surface of the mouth edge of the opening 12, and the entire liquid guide pipe unit 3 is fixed to the liquid container main body 1 side. Therefore, in the cap-locked state, even if the liquid container is overturned and the lid unit 2 is opened, the cap 30 will not come off from the opening 12.

An air passage 36 is formed within the plug 30,
When the lid unit 2 is closed, the push plate 10 of the pump device 9
When pressed, pressurized air from the pump device 9 is blown into the liquid container 5 through the air passage 36 in the stopper.

A valve device 40 that closes the air passage 36 when the liquid container falls is attached to the lower end of a valve rod 42 that vertically passes through the lower end opening 36a of the air passage 36 in the stopper. Lower end opening 36
A valve body 41 is attached with a valve member 43 that can be opened and closed from below, and a spring 44 urges the valve body 41 upward in the valve-closing direction. A steel ball 45 having enough weight to push down the ball 41 is placed so as to be movable in the vertical direction. When the liquid container is upright, the valve body 41 is pushed down against the spring 44 by the weight of the ball 45 to open the lower end opening 36a of the air passage, and when the liquid container is tipped over, the ball 45 is pushed down against the spring 44. The valve body 41 rolls upward.
No load is applied to the valve element 41, and the valve body 41 is urged in the valve closing direction by the spring 44, so that the valve member 43 closes the lower end opening 36a of the air passage.

Further, a valve device 50 for opening and closing the liquid passage 32 is provided in the liquid passage 32 formed in the stopper 30. This valve device 50 has a valve body 51 connected to a spring 52.
The valve is biased upwardly in the valve closing direction by the valve. In this valve device 50, when the pump device 9 is not operated, the valve body 51 is maintained in a closed state by a spring 52, but when the pump push plate 10 is pressed, the push rod 4 is pushed down in conjunction with this.
7 pushes the valve body 51 downward to open the valve. Therefore, in this liquid container, the liquid passage 32 in the stopper is normally closed by the valve device 50, so that when the liquid container falls over, the liquid in the liquid container 5 passes through the series of liquid pouring passages 4 to the outside. There will be no leakage.

An annular packing 29 is provided on the lower surface of the bottom plate 9a of the pump device 9 to allow airtight communication between the pump outlet 9b and the in-stop air passage 36 when the lid is closed.

Further, on the upper surface of the plug 30, a membrane-like packing 57 having flexibility is provided vertically inside the upper end opening of the air passage 36 in the plug and covering the upper part of the valve body 51 in the liquid passage. ing. This film-like gasket 57 is in contact with the lower surface of the pump bottom plate 9a (the lower surface edge of the pump discharge port 9b) when the lid is closed, but when the pressure inside the liquid container 5 increases abnormally, the film-like gasket 57 is elastically deformed and a part of the pump discharge port 9b is opened, thereby allowing the pressure in the liquid container 5 to be released through the pump device 9 to the outside from the pump intake port. There is.

The discharge pipe 35 in the liquid discharge passage 4 is connected to the distal end of the liquid discharge pipe 34 so as to be able to rotate in an arc in the vertical direction within a range from a downward recessed position shown by a solid line in FIG. ing. Note that when the discharge pipe 35 is in the downward retracted position, the liquid spout pipe 34 and the discharge pipe 35 do not communicate with each other at the joint portion 37, and the inside of the liquid spout passage 4 is doubled together with the valve body 50. The water stops, and when the discharge pipe 35 is lifted to the sideways protruding position, the liquid spout pipe 3
4 and a discharge pipe 35 are arranged to communicate with each other.

A pipe cover member 2 is provided on the outside of the discharge pipe 35.
5 is provided. This pipe cover member 25
is capable of turning in an arc in the vertical direction together with the discharge pipe 35, and by turning the pipe cover member 25 in an arc, the discharge pipe 35 is rotated in an arc in conjunction with the pipe cover member 25.

Outer surface of liquid container body 1 (outer surface of shoulder member 6)
includes a pipe cover member 25 and a discharge pipe 35.
A housing portion 54 is formed for housing the pipe cover member 25 and a portion of the discharge pipe 35 when the pipe cover member 25 is placed in the downward retracted position. This accommodation portion 54 is formed by recessing a part of the shoulder member 6, and in the illustrated example, the pipe cover member 25
When the pipe cover member 25 (and the discharge pipe) is lowered downward, approximately 1/2 of the pipe cover member 25 in the inner and outer directions is accommodated in the accommodation portion 54. Storing the pipe cover member 25 and the discharge pipe 35 in the housing portion 54 in this manner is advantageous during packaging and the like.

The joint portion 37 of the liquid pouring pipe 34 and the discharge pipe 35 is provided with shaft pieces 38, 38 that project laterally on both left and right sides thereof, respectively. On the other hand, vertical grooves 56, 56 are formed on the inner surfaces of both side walls 55, 55 of the accommodating portion 54, respectively, for guiding the shaft pieces 38, 38, respectively. By dropping each of the shaft pieces 38, 38 from above into the vertical grooves 56, 56 and fitting them together, the pipe cover member 25 (and the discharge pipe) is rotated in an arc. and discharge pipe) to prevent it from wobbling back and forth and from side to side.

In the pump injection type liquid container of this first embodiment,
When the pump push plate 10 is pressed, pressurized air from the pump device 9 passes through the air passage 36 in the stopper and enters the liquid container 5.
The liquid inside the liquid container 5 can be poured out through a series of liquid pouring passages 4 to the outside. Furthermore, in this liquid container, since the stopper 30 is locked to the mouth edge 12a of the opening 12 by the stopper locking mechanism 7, even if the liquid container is accidentally tipped over and the lid unit 2 is opened at that time, The stopper 30 will not come off, and the liquid in the liquid container 5 will not flow out from the liquid supply opening. Furthermore, when the liquid container falls over, the valve body 41 of the valve device 40 in the air passage 36 in the stopper operates in the direction of closing the air passage, thereby closing the air passage 3 in the stopper.
Therefore, the liquid in the liquid container 5 will not flow out through the air passage 36 in the stopper. In addition, since the valve device 50 is also provided in the liquid passage 32 in the stopper, the liquid in the liquid container 5 will not flow out through the series of liquid pouring passages 4 when the liquid container is overturned.

In the second embodiment shown in FIG. 4, the third embodiment shown in FIGS. 5 and 6, and the fourth embodiment shown in FIG. A modification of the plug locking mechanism 7 for locking is shown.

In the second embodiment shown in FIG. 4, a male thread 61 is formed on the outer surface of the fixing member 14 rotatably provided around the stopper 30, and a female thread is formed on the inner surface of the liquid supply opening 12. 62, and the fixing member 14
The stopper 30 is locked or unlocked by screwing the stopper.

The third embodiment shown in FIGS. 5 and 6 is
A small projecting piece 64 that projects outward is formed on a part of the flange 31 of the stopper 30, and a stop 65 with a rotationally operable lock 66 is formed at a position opposite to the small projecting piece on the flange 31 of the stopper, Mouth edge 12a of liquid supply opening
A receiving groove 68 for locking the small projecting piece 64 and a locking receiving part 69 for locking the locking piece 66 of the stopper 65 are formed at positions opposite to the receiving groove 68, respectively. When locking, hold the plug 30 and first engage the small protrusion 64 into the receiving groove 68, then turn the knob 67 of the stopper 65 to move the locking piece 66 into the locking receiving part 68.
9, the stopper 30 can be locked. Incidentally, when the stopper locking mechanism 7 is to be unlocked, it is sufficient to carry out the procedure in the reverse order to that described above.

The fourth embodiment shown in FIG. 7 is a modification of the third embodiment shown in FIGS. 5 and 6. In the stopper lock mechanism 7 shown in FIG. The locking piece 66 can be engaged with or disengaged from the locking receiving portion 69 by sliding it inwardly and outwardly along a guide hole 70 formed in the flange 31.

The fifth embodiment shown in FIGS. 8 and 9, the sixth embodiment shown in FIG. 10, and the seventh embodiment shown in FIGS. A modification of the device 40 is shown.

In the fifth embodiment shown in FIGS. 8 and 9, the upper end opening 36b in the air passage 36 in the stopper is opened and closed from the lower surface side by a flexible valve plate 73. This valve plate 73 has a base portion 73
a is fixed to the lower surface of the upper wall of the air passage 36, and its tip portion 73b can be bent up and down. A small gap 74 is provided between the upper surface of the valve plate tip side portion 73b and the upper end opening 6a of the air passage, and when the pressure inside the liquid container 5 increases, the steam in the liquid container 5 is passed through the gap 74 to the outside. It is designed to be able to be released to Also, this valve plate tip side portion 73b
When the liquid container 5 is overturned and the liquid in the liquid container 5 flows into the air passageway 36 in the stopper, it is pressed by the water pressure to reliably close the upper end opening 36b.

In the sixth embodiment shown in FIG. 10, a valve member 75 that opens and closes the upper end opening 36b of the air passage 36 is urged upward by a spring 76 in the valve closing direction, and when the pump is inactive, the valve member 75 opens and closes the upper end opening 36b. The upper end opening 36b of the air passage is closed, and when the pump is operated, the differential pressure pushes down the valve member 75 to open the valve.

In the seventh embodiment shown in FIGS. 11 and 12, a vertically elongated cylindrical valve member 77 having a flat surface serving as a valve portion at the upper end is housed in the plug air passage 36 so as to be movable up and down. Further, the valve member 77 is
8 biases it upward. This valve member 77 has an appropriate weight, and when the liquid container is upright, the weight of the valve member 77 opens the valve by moving downward against the spring 78, and when the liquid container falls, the spring 77 opens.
The valve member 77 is moved upward by the biasing force 8 to close the air passage upper end opening 36b. Further, as shown in FIG. 12, this valve member 77 is formed into an arc shape when viewed from above, and has three upper end openings 36b, 36 of the air passage 36 in the plug.
b, 36b can be opened and closed simultaneously.

(Effect of the invention) In the pump injection type liquid container of the present invention, the stopper 30 can be removably locked by the stopper locking mechanism 7. Even if the liquid container is tipped over and the lid 21 is opened, the stopper 30 will not come off the lip 12a of the liquid supply opening.
The liquid inside can be prevented from flowing out from the liquid supply opening. Further, since the stopper locking mechanism 7 is designed to lock the stopper 30 while maintaining the normal mounting posture with respect to the liquid supply opening 12, when the stopper 30 is locked or unlocked, the stopper 30 is This can be done by operating only the stopper locking mechanism 7, which simplifies the operation of locking or unlocking the stopper 30. In particular, since the liquid pouring passage 10 is attached to the stopper 30, the stopper 30 with the liquid pouring passage
However, even with such a large size, it has the advantage that it can be easily locked or unlocked.

In addition, in portable pump-type liquid containers, when they are moved, the pressure inside the liquid container increases, causing an effect that pushes up the stopper. However, as in the present proposal, the plug 3
0 to the mouth edge 12a of the liquid supply opening, the stopper 30 will no longer press against the pump bottom plate, and the pump bottom plate will not be deformed.

[Brief explanation of drawings]

FIG. 1 is a longitudinal cross-sectional view of a pump-filling liquid container according to a first embodiment of the present invention, FIG. 2 is a plan view of the liquid container shown in FIG. 1 with the lid unit removed, and FIG. 1 is an exploded perspective view of a liquid container, FIG. 4 is a partial perspective view of a pump injection type liquid container according to a second embodiment of the present invention, and FIG. 5 is a partial perspective view of a pump injection type liquid container according to a third embodiment of the present invention. 6 is a plan view of FIG. 5, FIG. 7 is a partial plan view of a pump injection type liquid container according to the fourth embodiment of the present invention, and FIG. 8 is a partial sectional view of the liquid container. A partial sectional view of a pump injection type liquid container according to a fifth embodiment of the present invention (-
9 is a plan view of FIG. 8, FIG. 10 is a partial cross-sectional view of a pump injection type liquid container according to a sixth embodiment of the present invention, and FIG. 11 is a seventh embodiment of the present invention. A partial sectional view (XI-XI sectional view in FIG. 12) of the pump-injection type liquid container according to the example, FIG. 12 is a plan view of FIG. 11, and FIG. FIG. 1...liquid container body, 2...lid unit, 3...
...Liquid conduit unit, 4...Liquid pouring passage, 5...
Liquid container, 6... Shoulder member, 7... Stopper lock mechanism, 1
2...Liquid supply opening, 12a...mouth edge, 21...
Lid body, 30... Plug, 36... Air passage, 40...
Valve device.

Claims (1)

[Scope of utility model registration request] Pressurized air from the pump device 9 is blown into the liquid container 5 to drain the liquid in the liquid container 5 to the liquid supply opening 12.
This is a pump injection type liquid container that can be poured out to the outside through a liquid dispensing passage 4 provided in a stopper 30, and between the stopper 30 and the liquid supply opening 12, a A pump-filling liquid container characterized in that a stopper locking mechanism 7 is provided that can lock the stopper 30 to the mouth edge 12a of the liquid supply opening 12 while maintaining the mounting position.