JPH0321709Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention relates to a pump-filling type liquid container, and more specifically to a pump-filling type liquid container in which an air pump is installed at the bottom of the liquid container body. be.

(Prior art) In a conventional pump-filling liquid container (for example, Japanese Utility Model Application Publication No. 1983-9875) in which this type of air pump is installed at the bottom of the liquid container body, the air pump is installed at the bottom of the liquid container body. Because the air pump is fixed in a non-removable manner from the outside within the attached pump case, it is troublesome to attach and detach the air pump when repairing or replacing the pump, for example, in the event of a malfunction. There was a problem.

Further, in the pump injection type liquid container of the above-mentioned known example (Japanese Utility Model Publication No. 50-9875), the bottom of the pump case for accommodating the air pump is open,
After the air pump is housed and fixed in the pump case from its bottom opening, the bottom opening is covered with a dedicated lid member. However, there was also the problem that the number of parts increased (a dedicated lid member was required).

(Purpose of the invention) In view of the problems of the conventional pump-filling type liquid container in which the air pump is installed at the bottom of the liquid container body as described above, the present invention has been developed to solve the problem of attaching and detaching the air pump in the event of a failure of the air pump, etc. A pump-filling type liquid container that is easy to operate and reduces the number of parts in a type where an air pump is housed in a pump case installed at the bottom of the liquid container body. The purpose is to provide

(Structure of the invention) The present invention blows pressurized air from an air pump installed at the bottom of the liquid container body into the liquid container through an air blowing passage having an elongated air supply pipe, and the pressurized air blows the liquid container into the liquid container. In a pump-filling type liquid container capable of pouring out the liquid inside through a series of liquid pouring passages to the outside, a pump case is installed at the bottom of the liquid container main body, the pump case having an opening at the bottom through which the air pump can be taken in and taken out. Further, the air pump is housed in the pump case so that the opening is closed with the pump bottom plate, and the air pump is detachably attached to the pump case via the pump bottom plate. It is characterized in that the air supply pipe of the passage is detachably connected to the pump outlet of the air pump or a connecting pipe attached to the pump outlet.

(Embodiments) Several embodiments of the pump injection type liquid container of the present invention shown in FIGS. 1 to 18 will be described.
Figures 1 and 2 show the first embodiment of the present invention and the third embodiment of the present invention.
FIG. 4 shows the second and third embodiments, respectively.
FIGS. 5 and 6 show the fourth embodiment, FIGS. 7 to 14 show the fifth to twelfth embodiments, and FIGS. 15 to 17 show the thirteenth embodiment, respectively.
FIG. 18 shows a pump-filled liquid container according to the 14th embodiment.

The pump injection type liquid container of the first embodiment shown in Figs. A liquid container receiving member 12 for mounting and fixing the mouth member 6 and further supporting the liquid container 5 at the lower part of the outer case 4.
a liquid container main body 1, a lid body 2 for opening and closing the upper part of the liquid container main body 1, and a liquid container main body 1.
The pump case 13 is provided at the lower part of the pump case 13 and houses the air pump 8 therein, and a series of liquid pouring passage members 3 for guiding the liquid in the liquid container 5 to the outside are the basic members.

The lid body 2 has a double structure of an upper plate 2a and a lower plate 2b, and the lid body 2 is pivotally attached to the upper rear side of the liquid container body 1 with a hinge device 50. .

A liquid supply port 7 communicating with the upper opening of the liquid container 5 is formed approximately in the center of the lower opening member 6 .

The liquid spouting passage member 3 includes a plug unit 20 and a liquid spouting pipe 23, each of which has a vertical liquid pumping pipe 22 and a horizontal liquid spouting pipe 23 attached to a plug 21 for opening and closing the liquid supply port 7, respectively. It is constituted by a spouting auxiliary pipe 26 that is vertically connected below the distal end discharge port 23a. The liquid pumping tube 22 and the liquid pouring tube 23 are communicated with each other via a liquid passage 24 within the stopper 21. The auxiliary pouring pipe 26 is connected to the lower mouth member 6
It is composed of an upper pipe 26a fixed to the side and a lower pipe 26b slidably connected to the lower part of the upper pipe 26a, and the auxiliary pouring pipe 26 connects the lower pipe 26b to the upper pipe 26a. Step by step (3 steps) by sliding it in the length direction
The length is said to be adjustable. A series of liquid pouring passages 10 are formed inside the series of liquid pouring passage members 3 to guide the liquid in the liquid container to the outside.

The liquid container receiving member 12 is formed in the shape of an annular disk, and a male screw 12a formed on its outer circumference is screwed into a female screw 11a of a bottom flap 11 provided on the inner surface of the lower end of the outer case 4. By screwing the liquid container receiving member 12 into the bottom flap 11, the liquid container 5 is firmly tightened between the lower surface of the lower mouth member 6 and the upper surface of the liquid container receiving member 12. A threaded cylinder 29 having a female thread 29a formed on the inner surface is integrally formed on the lower surface of the liquid container receiving member 12 appropriately near the outer periphery. A female thread 29a of this screw tube 29 is for screwing together a male thread 49a of a tightening member 19, which will be described later.

The pump case 13 has a pump housing chamber 14 large enough to accommodate the air pump 8 therein, and a circular cylindrical body 31 having an outer diameter that is approximately the same as the outer diameter of the lower end of the outer case 4. An inwardly directed upper flange 32 and lower flange 33 are integrally formed at the upper and lower ends of the flange, respectively. The inner diameter D of the upper flange 32 of the pump case 13 is formed to be approximately the same diameter as the outer diameter E of the spiral cylinder 29 of the liquid container receiving member 12. By fitting it to the outside of the screw tube 29, it is possible to position it in the horizontal direction. The inner diameter F of the lower flange 33 of the pump case 13 is equal to the bottom plate 38 of the air pump 8.
A relatively large opening (code 33) with a slightly smaller diameter than the outer diameter G of
a).

This pump case 13 has an annular tightening member 19
It is connected to the lower part of the liquid container body 1 by. That is, this tightening member 19
2. An outward flange 48 having an outer diameter H larger than the inner diameter D of the upper flange 32 of the pump case 13 is provided at the bottom of the threaded barrel 49, which has a male thread 49a that can be screwed into the female thread 29a of the threaded barrel 29 on the lower surface. The male screw 49 of this tightening member 19
a from inside the pump housing chamber 14 to the liquid container receiving member 1.
The upper flange 32 of the pump case 13 is firmly clamped between the lower end of the outer case 4 and the outward flange 48 of the tightening member 9 by screwing and tightening the female thread 29a of the second screw cylinder 29. I have it fixed.
In addition, the outer diameter H of the outward flange 48 of the tightening member 19
is the inner diameter F of the lower flange 33 of the pump case 13
The tightening member 19 is inserted into the pump housing chamber 14 through the opening 33a of the lower flange 33 before the air pump 8 is attached.

The air pump 8 is formed by interposing a bellows cylinder 39 between a pump top plate 37 and a pump bottom plate 38, and the pump top plate 37 has a pump suction port 40 that is opened and closed by a suction valve 41, and a pump suction port 40 that is opened and closed by a suction valve 41. Discharge port 42
are formed respectively. A helicoid groove 43 is formed on the outer periphery of the pump bottom plate 38 for helicoidally fitting the air pump 8 to the edge of the opening 33a of the pump case lower flange 33.
With the upper part of the air pump 8 inserted into the pump housing chamber 14 from below the pump case 13, the helicoid groove 43 is inserted into the opening 33a of the lower flange 33.
The air pump 8 is removably attached to the inside of the pump case 13 by fitting it into the lip of the pump case 13. In this way, attach the pump bottom plate 38 to the pump case 1.
3, the pump bottom plate 38 will fit into the lip of the bottom opening 33a of the pump case.
3a can be closed, and a dedicated lid member for closing the bottom opening 33a can be omitted. Incidentally, when removing the air pump 8 from the pump case 13, by rotating the pump bottom plate 38 from the bottom side of the pump case 13 and removing the helicoid fitting, the air pump 8 can be taken out downward. There is.

The pump discharge port 42 of the air pump 8 and the inside of the liquid container 5 are airtightly communicated with each other via a series of air blowing passages 9 installed so as to bypass the upper part of the liquid container 5. This air blowing passage 9
is a connecting pipe 45 attached to the pump discharge port 42;
An elongated air supply pipe 46 made of rubber, vinyl, etc. is vertically inserted through a space formed between the outer surface of the liquid container 5 and the inner surface of the outer case 4, and a through hole 47 is formed vertically through the lower opening member 6. and an in-stop air passage 25 formed to vertically penetrate inside the stopper 21, which is attached to the stopper 21 side and whose proximal end opens into the stopper air passage 25, and whose distal end opens into the stopper air passage 25 when the stopper is closed. A communication pipe 4 that communicates with the through hole 47 in an airtight manner.
It is composed of 4 and 4. The air blowing passage 9 connects the proximal end (lower end side) of the air supply pipe 46 to the connecting pipe 45, and connects the distal end (upper end side) of the air supply pipe 46 to the through hole 47 from the lower surface side of the lower mouth member. Then, insert the stopper 21 (stopper unit 20) into the liquid supply port 7.
The air pump 8 is connected to the inside of the liquid container 5 by connecting the distal end side of the communication pipe 44 to the through hole 47 . Further, in this first embodiment, the proximal end (lower end) of the air supply pipe 46 is detachably connected to the connecting pipe 47, so that when the air pump 8 is removed from the inside of the pump case 13, In this case, the proximal end of the air supply pipe 46 and the connecting pipe 47 are separated. Incidentally, holes 34 and 35 are formed in the liquid container receiving member 12 and the upper flange 32 of the pump case 13, respectively, so that they overlap with each other, and the air supply pipe 46 is inserted through the holes 34 and 35 in the vertical direction. There is.

A base end 18a of a pump operating lever 18 for pressing the air pump 8 is pivotally attached to the inner surface of the body 31 of the pump case 13 by a pin 17. The tip 18b side of the pump operating lever 18, which serves as the operating section, protrudes to the outside through a window hole 36 vertically formed in the pump case body 31.
By pressing 18b downward, the air pump 8 can be contracted as shown by the chain line 8'. An elongated hole 61 is formed in the middle portion of the pump operating lever 18, and a shaft 63 of a roller 62 is fitted into the elongated hole 61. The upper surface 41a of the suction valve 41 is an arcuate surface for receiving the roller 62.

In addition, reference numeral 27 in FIGS. 1 and 2 is a stopper device for fixing the lower pipe 26b of the auxiliary pouring pipe 26 at an appropriate sliding position with respect to the upper pipe 26a, and 28 is a stopper device provided at the bottom of the liquid container. The rotating body 28 is attached to the lower surface of the lower flange 33 of the pump case 13 by force fitting. Reference numeral 30 is a locking device for locking the lid 2 onto the upper part of the liquid container body 1, and 51 is a pump extension spring.

In the pump injection type liquid container of this first embodiment, when the pump operation lever 18 is pushed down, the air pump 8
is contracted, and the pressurized air from the air pump 8 is blown into the liquid container 5 through a series of air blowing passages 9 consisting of the air supply pipe 46, the communication pipe 44, and the air passage in the stopper 25, and the pressurized air is This allows the liquid in the liquid container 5 to be poured out through the liquid passage in the stopper unit 20 and the auxiliary pouring pipe 26 from its lower end spout (lower end opening of the lower pipe 26b).

2 shown in Figures 3, 4, 5 and 6.
Each pump injection type liquid container of the fourth embodiment is as follows:
Each shows a modified example in which the air pump 8 is detachably attached to the pump case 13.

In the air pump attachment/detachment structure of the second embodiment shown in FIG. 3, a female thread 31a is formed on the inner surface of the lower part of the body 31 of the pump case 13, and a male thread 72a is formed on the outer periphery of the pump bottom plate 38 of the air pump 8. The air pump 8 is connected to the pump case by integrally forming the screw cylinder 72 and screwing the male screw 72a on the outer circumference of the pump bottom plate 38 to the female screw 31a on the inner surface of the lower part of the pump case body 31 in a freely screwable or unscrewable manner. 1
3, it can be attached and detached freely.

In the air pump attachment/detachment structure of the third embodiment shown in FIG. 4, the air pump 8 is installed from below with screws 73 (3 ~4
It is fixed by tightening the
The air pump 8 can be attached to and detached from the pump case 13 by screwing the screws 73 into or removing the screws 73 from the lower flange 33 of the pump case body 31.

In the air pump attachment/detachment structure of the fourth embodiment shown in FIGS. 5 and 6, a concave groove that can fit into the opening edge 33b of the lower flange 33 of the pump case body 31 is formed on one end edge of the outer peripheral portion of the pump bottom plate 38. 75 is integrally formed, and the pump bottom plate 38 is prevented from slipping upward to a position opposite to the position where the locking part 74 of the pump bottom plate 38 is fitted on the opening edge 33b of the lower flange 33. A locking member for forming a step-shaped inward protrusion 76 for the purpose of the present invention, and further detachably supporting the outer circumferential portion of the lower flange 33 from the lower surface side of the portion where the inward protrusion 76 is formed on the lower surface of the lower flange 33. 77 is rotatably supported by a shaft 78. When the air pump 8 is attached to the pump case 13, the groove 75 of the locking portion 74 is fitted into the opening edge 33b of the lower flange 33 at a position opposite to the portion where the inward protrusion 76 is formed, and then the pump bottom plate With the opposite side of the outer circumferential portion of the pump bottom plate 38 where the locking portion 74 is formed pressed against the lower surface of the inward protruding portion 76 of the lower flange 33, the locking member 77 is pressed against the lower surface of the outer peripheral portion of the pump bottom plate 38 as shown by the solid line. , the pump bottom plate 38 is fixed at two opposing positions, and when the air pump 8 is removed from the pump case 13, the locking member 77 is connected to the chain line 77' (Fig. 6). ), by rotating the pump bottom plate 38 outward from the lower surface of the outer periphery, the side of the pump bottom plate 38 opposite to the formation of the locking part 74 can be moved downward, and the side of the pump bottom plate 38 opposite to the formation of the locking part 74 can be moved downward slightly. While the pump is moving, move the pump bottom plate 38 to the anti-locking part 7.
4. Pull the locking part 74 toward the lower flange 3.
3, the air pump 8 can be removed from the pump case 13.

In the pump liquid container of the fifth embodiment shown in FIG. 7, the air pump 8 can be attached and detached by directly helicoidally fitting the outer circumference of the pump bottom plate 38 to the inner surface of the pump case body 31. In addition, in this fifth embodiment, the pump outlet 42 is formed on the pump bottom plate 38 side, and the base end side (lower side) of the air supply pipe 46 is connected from the bottom side of the pump bottom plate 38 to the pump outlet 42. It is connected to. Air pipe 46
The distal end side is led upward through a hole 79 formed near the outer periphery of the pump bottom plate 38 (outside the bellows cylinder 39). In this way, the pump outlet 42 is formed in the pump bottom plate 38, and the pump outlet 42 is formed in the pump bottom plate 38.
By connecting the base end side of the air supply pipe 46 to the pump, the base end side of the air supply pipe 46 will not move up and down when the pump is operated.

In each of the embodiments below in FIG. 7 (fifth embodiment), the air pump 8 has the pump bottom plate 38
1 inner surface or the lower flange 33 in a helicoidal manner so that it can be freely attached to and removed from the pump case 13.

The pump injection type liquid containers of the sixth and seventh embodiments shown in FIGS. 8 and 9 each show a modification of the mounting structure of the pump case 13.

In the pump case mounting structure of the sixth embodiment shown in FIG.
is directly fixed to the liquid container receiving member 12 with screws 80. In addition, attach this screw 80 to pump case 1.
3, it is inserted through the lower opening of the pump case 13 before the air pump 8 is attached.

In the pump case mounting structure of the seventh embodiment shown in FIG.
The pump case 13 is attached by integrally forming a screw tube 81 with a male screw 81a that can be screwed into the female screw 11a, and screwing the screw tube 81 into the bottom flap 11. In addition, in this seventh embodiment, a threaded cylinder 82 with a female thread 82a is formed in the opening of the upper flange 32 of the pump case 13, and a medium threaded member 83 serving as a liquid container receiving member is screwed into the threaded cylinder 82. I'm letting you do it.

In the pump injection type liquid container of the eighth embodiment shown in FIG. Liquid container receiving member 1
2 are integrally molded, and the pump case 13
By screwing into the bottom flap 11, the liquid container 5 is pushed up and tightened simultaneously with the installation of the pump case 13.

In the pump injection type liquid container of the ninth embodiment shown in FIG. 11, the bottom flap 11 is used both for attaching the liquid container receiving member 12 and for attaching the pump case 13.
The liquid container receiving member 12 is screwed into the upper half of the bottom flap 11, and the pump case 1 is attached to the lower half of the bottom flap 11.
3 are screwed together.

The pump injection type liquid container of the 10th embodiment shown in FIG. 12 is a modification of FIG.
In the pump injection type liquid container of the tenth embodiment, a cylindrical body 85 surrounding the outer proximal position of the air pump 8 is integrally molded on the lower surface of the liquid container receiving member 12, and the cylindrical body 85
When operating the pump, the pump upper plate 3 of the air pump 8
7 or the bellows tube 39 is guided so as not to be displaced in the horizontal direction. In addition, pump operation lever 1
The base end 18a of the cylinder 85 is pivotally attached to the inner surface of the cylinder 85, and the pump operation lever 18 and the air supply pipe 46 are inserted into the cylinder 85 at an opposite position on the side where the pump operation lever base end is pivoted. A notch 86 is formed.

In the pump injection type liquid container of the eleventh embodiment shown in FIG.
1a is a spherical surface, and the pump operation lever 18 that contacts the upper surface 41a of the suction valve 41 is always in contact with the suction valve 41 to prevent the suction valve 41 from tilting with respect to the pump suction port 40 when the pump is operated.
In this case, the roller on the pump operating lever 18 side can be omitted. Note that if the suction valve 41 is tilted with respect to the pump suction port 40 when the pump is operated, air leakage is likely to occur from there.

In the pump injection type liquid container of the twelfth embodiment shown in FIG. 14, an air pump 8 is used in which a pump top plate 37, a pump bottom plate 38, and a bellows cylinder 39 are integrally formed by blow molding. Further, in the twelfth embodiment, the pump case 13 has a male screw 12a of the liquid container receiving member 12 screwed to the bottom pad 11 extending further downward from the lower end of the outer case 4. A female screw 31b formed on the upper part of the body 31 of the pump case 13 is screwed into and fixed to a downwardly extending portion of the male screw 12a of the member 12.

In the pump liquid container of the 13th embodiment shown in FIGS. 15 to 17, the outer surface side troughs of the pleats 39a, 39a in the bellows tube 39 of the air pump 8 have upper and lower inclined fold surfaces that extend over the valleys. A large number of elastic narrow vertical ribs 87, 87, . . . are integrally formed. These vertical ribs 87, 87... have a pump extension action, and when the pump is contracted, they are bent into a "dog" shape as shown in FIG. 17, and when the pump pressure is released, the vertical ribs 87, 87... The restoring force acts to extend the bellows tube 39. This first
In the thirteenth embodiment, the pump extension spring 51 of the air pump 8 in the pump injection type liquid container shown in FIG. 1 can be omitted.

In the pump-filling liquid container of the 14th embodiment shown in FIG. 18, the liquid container 5 moves up and down according to changes in the internal liquid amount, and the amount of vertical displacement of the liquid container is displayed externally. It is equipped with an internal liquid level display device that allows the internal liquid level to be detected from the outside by moving the liquid container up and down. That is, the liquid container 5 is suspended below the lower mouth member 6 by an elastic support device 90, and as the liquid container 5 moves up and down, the amount of vertical displacement thereof is displayed via the intermediate member 91. The amount of vertical displacement of the display board 92 can be visually observed through a viewing window 93. The outside of the liquid container 5 is covered with a cover member 94, and the bottom of the cover member 94 has a tip portion 5a of the liquid container 5.
A cylindrical tip cover part 9 with a bottom to protect the
5 is formed. The air pump 8 housed in the pump case 13 has two inner and outer parts between an annular pump upper plate 96 having a hole 97 with a diameter slightly larger than the outer diameter of the tip cover part 95 and a disc-shaped pump bottom plate. It is formed into a donut shape with heavy bellows tubes 98 and 99 interposed therebetween. The lower part of the liquid container 5 is connected to a tip cover portion 95 of the liquid container cover member 94.
into the hole 9 of the pump upper plate 96 of the air pump 8.
7, the liquid container 5 is guided so that it can move only in the vertical direction.

In addition, in FIGS. 3 to 18 above, parts with the same reference numerals as in FIG. 1 but not explained are the same as those of the liquid container in FIG. Use explanation.

(Effect of the invention) The present invention is applied to a pump case 13 in which the air pump 8 is installed at the bottom of the liquid container body 1 in a pump injection type liquid container having a structure in which the air pump 8 is installed at the bottom of the liquid container body 1. Since it is housed in a detachable manner, the pump can be easily attached and detached when repairing or replacing the air pump 8 when it breaks down.

Further, according to the present invention, since the pump case bottom opening 33a for attaching and detaching the air pump 8 to and from the pump case 13 is closed by the pump bottom plate 38, the pump bottom plate 38 is used to close the pump case bottom opening 33a. This has the effect that it can be effectively used as a lid member for a car, and the number of parts can be reduced.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional view of a pump injection type liquid container according to the first embodiment of the present invention, FIG. 2 is an exploded view of the lower part of the pump injection type liquid container of FIG. 1, and FIGS. The figures are partial vertical cross-sectional views of pump injection type liquid containers according to second to fourth embodiments of the present invention, FIG. 6 is a bottom view of the liquid container shown in FIG. 5, and FIGS. 7 to 15 are 5 to 5 of the present invention, respectively.
FIG. 16 is a partial side view of the air pump of the liquid container in FIG. 15, and FIG. 17 is a diagram showing changes in operation in FIG. FIG. 18 is a longitudinal cross-sectional view of a pump injection type liquid container according to the fourteenth embodiment of the present invention. DESCRIPTION OF SYMBOLS 1...Liquid container main body, 5...Liquid container, 8...Air pump, 9...Air blowing passage, 10...Liquid pouring passage, 13...Pump case, 38...Pump bottom plate.

Claims (1)

[Scope of utility model registration request] Pressurized air from an air pump 8 installed at the bottom of the liquid container body 1 is blown into the liquid container 5 through an air blowing passage 9 having an elongated air supply pipe 46, and the liquid in the liquid container 5 is blown by the pressurized air. A pump injection type liquid container capable of dispensing liquid to the outside through a series of liquid dispensing passages 10, which has an opening 33a at the bottom of the liquid container main body 1 through which the air pump 8 can be taken in and taken out. Case 13
is installed in the pump case 13, and the air pump 8 closes the opening 33a with its pump bottom plate 38 and is detachable from the pump case 13 via the pump bottom plate 38. The air supply pipe 46 of the air blowing passage 9 is detachably connected to the pump outlet 42 of the air pump 8 or the connecting pipe 45 attached to the pump outlet 42. Features a pump-type liquid container.