JP6629642B2 - Liquid removal device - Google Patents

Description

  The present invention relates to a liquid removing device, and more particularly, to an airless type liquid removing device that sucks and discharges a liquid filled in a flexible liquid container exchangeably stored in an outer container.

  An airless type in which a liquid filled in a flexible liquid container accommodated in an outer container is contracted (reduced) with a negative pressure in the liquid container as the liquid is sucked and discharged by a pump means. Is generally used in a water place (for example, see Patent Documents 1 to 4).

  If the specific place of use is mentioned, the type of liquid to be filled in the liquid container is a bathroom for shampoo and rinse, a bathroom or washroom for liquid soaps, a kitchen sink for dishwashing detergents, and the like. is there.

  As described above, when used in a water place, not only when performing a pump operation with hands wet with hot water, but also by using a shower or washing water in the water place, hot water directly falls on the liquid removal device In many cases, not only the entire liquid removing device gets wet but also hot water enters the inside of the outer container.

  When hot or cold water enters the outer container of the liquid take-out device, there is a problem that slime or mold easily occurs over time on the inside of the outer container or on the surface of the liquid container stored inside the outer container, which tends to be unsanitary. ing.

  In addition, in the case of an airless type liquid take-out device, the same amount of air as the volume of the liquid container that shrinks as it is sucked and poured out is taken into the outer container and "air replacement" is performed, so that the outer container is depressurized. Need to be avoided. This is because, when the pressure inside the outer container is reduced, the liquid container contracts when the liquid is sucked and poured.

  Therefore, conventionally, as a configuration for performing the air replacement, a through hole serving as an air passage is provided at the bottom of the outer container (for example, see Patent Documents 5 to 8).

Actual Kaihei 05-044854 Japanese Utility Model No. 03-017059 No.06-003877 No.06-032347 63-49371 JP-A-11-079245 JP 2000-189244 A JP 2006-298498 A

  According to the technology of performing air replacement using a through hole provided at the bottom of the outer container, smooth air replacement is possible, but when water is directly placed on a tile floor of a bathroom or the like, hot and cold water enters through the through hole at the bottom. It was found that it was difficult to prevent the occurrence of slime and mold.

  SUMMARY OF THE INVENTION It is an object of the present invention to provide an airless type liquid extraction device which can smoothly perform air replacement required for an airless type liquid extraction device, and can further suppress sanitary entry of hot and cold water into an outer container. It is to provide a device.

  The present invention for solving the above problems has the following configuration.

1. A flexible liquid container filled with a liquid, an outer container for storing the liquid container, a pump body attached to an opening of the liquid container for sucking and discharging the liquid, and suction of the pump body A suction pipe attached in communication with the part and inserted and disposed inside the liquid container,
In the airless type liquid take-out device, a structure is provided in which the liquid in the liquid container is contracted (reduced) with a negative pressure in the liquid container as the liquid in the liquid container is sucked and discharged by the operation of the pump body.
The outer container has a main body having an upper opening configuration, and a lid configured to cover the upper opening by being screwed together with the main body in a state of being put on the main body,
The lid body has a top plate having an opening and a side wall portion vertically provided in a continuous state from an edge of the top plate,
A configuration in which a ventilation path is provided between the upper end of the upper opening of the main body and the lower surface of the top plate of the lid that come into contact when the main body and the lid are screwed together by screwing,
Further, a configuration in which the base of the mouth is attached to the opening with the mouth of the liquid container being inserted from below into the opening of the top plate of the lid of the outer container and projecting upward. And
A configuration in which when the base is attached to the opening, at least a part of the entire inner peripheral surface of the opening and at least a part of the entire outer peripheral surface of the base are in close contact with each other; by it, Ri liquid tight arrangement der to prevent the penetration of water into the outer container from the mounting portion between the outer container and the liquid container,
The opening of the top plate of the lid of the outer container forms an opening cylindrical portion which is continuously provided vertically downward from the opening, and a convex rib is provided on the inner peripheral surface of the opening cylindrical portion. Is provided,
An upper flange portion is provided at an upper portion of the base portion, and another lower flange portion is provided at a lower portion,
Each of the upper flange portion and the lower flange portion is in a liquid-tight state by being in close contact with the inner peripheral surface of the opening cylindrical portion,
Further, a screw configuration is provided between the upper flange portion and the lower flange portion of the base portion, and a threaded configuration to which the screw configuration is screwed is provided at a position corresponding to the open cylindrical portion. Thereby, it is possible to screw-fit the opening of the outer container and the opening of the liquid container,
A liquid removal device characterized by the above-mentioned.

2. The opening portion of the outer container forms an opening cylindrical portion which is continuously provided vertically downward from the opening portion, and a liquid-tight configuration is provided between the opening cylindrical portion and the base of the liquid container. 2. The liquid removal device according to the above item 1, wherein

3 . 3. The liquid removal device according to the above item 1 or 2 , wherein the liquid extraction device has a double liquid-tight configuration in which two portions, an upper portion and a lower portion, of an inner peripheral surface of the opening cylindrical portion are in close contact with a base portion of the liquid container.

4 . In any one of the above items 1 to 3, wherein the screwing configuration of the opening of the outer container and the opening of the liquid container is provided with a detent portion for preventing excessive tightening at the time of screwing. The liquid take-out device according to claim 1.

5 . In the screwing configuration between the opening of the outer container and the mouth of the liquid container, a screwing rotation load unit that notifies that the screwing has been performed to the tightening completed position at the time of screwing or a position near the tightening completed. The liquid removal device according to any one of the above items 1 to 4, wherein a liquid is provided.

6 . In the screwing configuration between the opening of the outer container and the opening of the liquid container, a reverse rotation preventing portion is provided that prevents screw loosening due to reverse rotation of the screwed configuration tightened. The liquid removal device according to any one of the above 1 to 5 , wherein

7 . In the screwing configuration of the opening of the outer container and the opening of the liquid container, a reverse rotation preventing portion is provided to prevent loosening due to reverse rotation of the screwed configuration tightened and screwed,
The liquid take-out device according to any one of the above-mentioned items 1 to 6 , wherein a position where the load is passed through the reverse rotation preventing portion during the screwing rotation is a tightening completion position.

8 ． The liquid extracting device according to any one of the above items 1 to 7 , wherein a mounting configuration between the mouth of the liquid container and the pump body is a screwing configuration.

9 . A configuration in which the outer container is provided with a convex portion and / or a concave portion at one or both of an upper end portion of an upper opening of a main body and a lower surface portion of a top plate of a lid, which are in contact with each other by screwing, to form an air passage. 9. The liquid removal device according to any one of the above items 1 to 8 , wherein

10 ． A configuration in which a flange portion is provided on the entire periphery near the lower portion of the screw portion at the upper portion of the main body of the outer container, and at a portion covered by the lid when the lid is covered and coupled. 10. The liquid removal device according to any one of the above items 1 to 9 , wherein

  According to the first aspect of the present invention, air replacement required for an airless type liquid take-out device can be performed smoothly, and moreover, sanitary use can be achieved in which hot water can be prevented from entering the outer container. It is possible to provide a simple liquid removing device.

  In particular, the attachment of the liquid container housed in the outer container to the outer container is performed by fixing the mouth of the liquid container to an opening provided on an upper portion such as a lid of the outer container. Since the liquid-tight configuration is obtained by bringing the fixed portion between the opening and the mouth into close contact with each other, the water-tight water is discharged from the gap existing in the fixed portion between the opening and the mouth as in the conventional case. Can be prevented from entering. Therefore, the generation of slime and mold in the outer container can be suppressed over a long period of time, for example, until the liquid filled in the liquid container is used up, so that it can be used hygienically.

In addition, a configuration in which a ventilation path is provided between the upper end of the upper opening of the main body and the lower surface of the top plate of the lid that comes into contact when the main body and the lid are screwed together by screwing, provides suction and suction. As the same amount of air as the volume of the liquid container that contracts as it is poured out passes between the upper part of the main body of the outer container and the side wall of the lid, and is taken into the outer container through the ventilation path, "Air displacement" will be performed smoothly. Therefore, the inside of the outer container is prevented from being decompressed, and the above-described liquid suction / extraction is smoothly performed without being hindered.
And since the air passage in which this air exchange is performed is provided at the upper part of the outer container main body and at the portion covered by the outer container lid, not only there is no intrusion of hot water from the bottom of the outer container, but also the shower Water and water that falls on the liquid take-out device due to the above-mentioned factors are unlikely to penetrate into the outer container.

  According to the invention as set forth in claim 2, by forming the opening of the outer container as an opening cylindrical portion having a cylindrical shape, the number of attachment points of the opening is larger than a mere opening. It is easy to secure both the configuration in which the mouth of the liquid container is securely attached and the configuration in which the liquid container is liquid-tight.

  According to the third aspect of the present invention, the liquid-tight configuration at a position close to the upper surface of the outer container makes it possible to prevent intrusion at the entrance of the hot water entry path.

  According to the invention as set forth in claim 4, the liquid-tight structure at the position where it enters the inside of the outer container makes it possible to prevent intrusion at the outlet portion of the hot water inflow path.

  According to the fifth aspect of the invention, a double liquid-tight structure at a position close to the upper surface of the outer container and at a position into the inside of the outer container prevents double penetration at the entrance and the exit of the hot water entry path. It is possible to do.

  According to the invention as set forth in claim 6, since the size adjustment at the time of manufacturing is easy, a liquid-tight structure is easily obtained.

  According to the invention as set forth in claim 7, since the adjustment of the close contact strength at the time of manufacturing is easy, a liquid-tight structure is easily obtained.

  According to the invention as set forth in claim 8, the liquid container can be easily attached to the outer container, and the liquid container can be quickly and easily exchanged when the liquid is completely used up.

  According to the ninth aspect of the invention, a double liquid-tight structure at a position near the upper surface of the outer container and at a position to enter the inside of the outer container prevents double penetration at the entrance and the exit of the hot water entry path. It is possible to prevent the screwed structure from being immersed in hot water because the screwed structure, which is the mounting structure of the outer container and the liquid container, is provided between the double liquid-tight structures. can do. Therefore, it is possible to suppress the generation of slime and mold on the screw portion of the screwed configuration.

  According to the invention as set forth in claim 10, since the tightening can be stopped at the best tightening position when screwed together, the screw portion or the like of the screwed structure is damaged by excessive tightening or the tightening is insufficient. Can be prevented.

  According to the invention as set forth in claim 11, since it is possible to easily determine whether or not the screw has been screwed to the best tightening position when screwed, the screw portion or the like of the screw structure may be damaged by excessive tightening. Alternatively, it is possible to prevent the tightening from becoming insufficient.

  According to the twelfth aspect of the present invention, it is possible to prevent the liquid container from dropping out of the outer container by preventing the loosening of the screw which is the mounting configuration of the outer container and the liquid container, and also to prevent the mounting portion from being attached. Can be maintained in a liquid-tight configuration. Further, when the pump body is screwed into the mouth of the liquid container, it is possible to prevent the mouth of the liquid container from rotating and dropping out of the opening of the liquid container when the pump body is screwed. Can be.

  According to the invention as set forth in claim 13, since it is possible to easily determine whether or not the screw has been screwed to the best tightening position when screwed, the screw portion or the like of the screw structure may be damaged by excessive tightening. Alternatively, it is possible to prevent insufficient tightening, and further, to prevent the liquid container from dropping from the outer container by preventing the loosening of the screwing which is the attachment configuration between the outer container and the liquid container. In addition to this, it is possible to maintain the close contact state of the mounting portion, so that the liquid-tight configuration can be maintained. Further, when the pump body is screwed into the mouth of the liquid container, it is possible to prevent the mouth of the liquid container from rotating and dropping out of the opening of the outer container when the pump body is screwed. Can be.

  According to the invention as set forth in claim 14, by fitting the mouth of the liquid container to the opening of the outer container, not only the attachment of the liquid container to the outer container is enabled, but also the A dense configuration can be obtained.

  According to the invention described in claim 15, the pump body can be easily attached to the mouth of the liquid container attached to the outer container. In addition, the pump body can be easily removed from the mouth of the liquid container when the liquid container is replaced after the liquid has been used up.

  According to the sixteenth aspect of the present invention, an air passage for performing air replacement can be formed with an extremely simple configuration, so that the production cost does not increase.

  According to the invention as set forth in claim 17, it is possible to prevent water splashing from the tile floor surface or the like caused by a shower or the like from entering between the side wall of the lid of the outer container and the upper portion of the main body from below.

Configuration explanatory view showing one embodiment of a liquid removal device according to the present invention. Partial explanatory view (partial cross-section) for explaining a mounting configuration and a liquid-tight configuration of an opening portion of an outer container and an opening portion of a liquid container of the liquid extracting device of FIG. Principal part explanatory view (partial cross-section) for explaining an embodiment of a detent part, a screw-rotating load part, and a detent part applied to the mounting configuration between the opening of the outer container and the mouth of the liquid container. Partial explanatory sectional view for explaining an example of a screwed connection structure between an upper portion of a main body of an outer container and a lid of the liquid removing device of FIG. 1. Bottom view showing an example of the lid of the outer container Principal part explanatory view (partial cross section) for explaining another embodiment of the mounting configuration of the opening of the outer container and the opening of the liquid container and the liquid-tight configuration. Principal part explanatory view (partial cross section) for explaining another embodiment of the mounting configuration of the opening of the outer container and the opening of the liquid container and the liquid-tight configuration. Principal part explanatory view (partial cross section) for explaining another embodiment of the mounting configuration of the opening of the outer container and the opening of the liquid container and the liquid-tight configuration. Principal part explanatory view (partial cross section) for explaining another embodiment of the mounting configuration of the opening of the outer container and the opening of the liquid container and the liquid-tight configuration. Principal part explanatory view (partial cross section) for explaining another embodiment of the mounting configuration of the opening of the outer container and the opening of the liquid container and the liquid-tight configuration. Sectional view showing another example of the lid of the outer container. Main part side view showing another example of the main body of the outer container. Main part side view showing still another example of the main body of the outer container.

  A liquid removal device according to the present invention will be described in detail with reference to FIGS.

  The present invention includes shampoos, conditioners, treatments, and other hair products, as well as liquid soaps, cosmetics, toothpastes, dishwashing detergents, sauces, mayonnaise, edible oils, machine oils, and other various liquids (such as gels and jellies). The airless type has a configuration in which the liquid is contracted (reduced) with a negative pressure in the liquid container as the liquid is sucked and poured out from the liquid container filled with the liquid container by the pump body. It is a liquid removal device. After the liquid in the liquid container is emptied by the suction and discharge of the liquid, the liquid container can be replaced with a new full-filled liquid container for refilling and can be used continuously.

First, as shown in FIG. 1, a liquid take-out device 1 of the present invention comprises a flexible liquid container 2 containing a liquid and a liquid suction / pour-out means mounted on the upper part of the liquid container 2. A pump body 3, a suction pipe 4 attached to the suction section of the pump body 3 in a communicating state and inserted through the inside of the liquid container 2, and an outer container 5 (lid body) for housing the liquid container 2 5A and a main body 5B).
An airless type configuration in which the liquid in the liquid container 2 is contracted (reduced) as the pressure in the liquid container 2 is reduced as the liquid in the liquid container 2 is sucked and discharged by the operation of the pump body 3,
The outer container 5 includes: a main body 5B having an upper opening; and a lid 5A having a configuration that covers the upper opening by screwing and joining the main body 5B in a state of covering the upper part of the main body 5B,
The lid 5A includes a top plate 52 having an opening 51, and a side wall portion 57 that is vertically provided from an edge of the top plate 52 in a continuous state,
An air passage A was provided between the upper end of the upper opening of the main body 5B, which comes into contact when the main body 5B and the lid 5A were screwed together by screwing, and the lower surface of the top plate 52 of the lid 5A. Configuration
Further, an opening 51 is provided in the top plate 52 of the lid 5A of the outer container 5, and the opening 21 of the liquid container 2 is inserted through the opening 51 from below and projects upward. A configuration in which the base 22 of the mouth 21 is attached to the opening 51;
When the base 22 is attached to the opening 51, at least a part of the entire inner peripheral surface of the opening 51 and at least a part of the entire outer peripheral surface of the base 22 come into close contact with each other. With this configuration, a liquid-tight configuration that prevents intrusion of moisture into the outer container 5 from a portion where the outer container 5 and the liquid container 2 are attached to each other is provided.

  Hereinafter, the configuration of the present invention will be described in more detail.

  In this embodiment, the liquid container 2 has a bag-like shape whose periphery is sealed by heat sealing, and an attachment member 23 having an opening 21 to which the pump body 3 is attached is simultaneously heated at the upper heat sealing portion. Welded. The pump body 3 may be attached by means of press-fitting, fitting, or the like, in addition to the configuration shown in this embodiment, which is screwed to the mouth 21.

  Further, as the liquid container 2, any known and publicly-used bag body used for this type of airless type can be used without any particular limitation. For example, a film monolayer such as a polypropylene film, a polyethylene film, a nylon film, Alternatively, a bag made of an oxygen permeation-suppressed laminated film composed of a plurality of these film laminated bodies can be used. Further, the shape is not limited to the bag shape of the present embodiment, and may have another known and used shape such as a bottle shape.

  As the pump body 3 and the suction pipe 4, a publicly-known pump and a suction pipe used in this type of airless type liquid take-out device can be used without any particular restriction. The liquid in the liquid container 2 can be discharged from the discharge port through the pipe 4 and the piston / cylinder in the pump operating section. In addition, since the pump configuration of the pump body 3 is a general pump configuration used for this type of liquid extracting device, the description of the pump mechanism of the pump body 3 is omitted in this specification.

  In this embodiment, the outer container 5 is configured to include a lid 5A and a main body 5B, and an opening 51 on the upper portion of the outer container 5 is provided on the upper portion of the lid 5A. Further, although the mounting configuration of the lid 5A and the main body 5B is a screwing configuration in this embodiment, other configurations such as fitting can be adopted. Further, examples of the material of the outer container 5 include synthetic resin, metal, ceramics, and wood. Among them, synthetic resin formed by injection molding, blow molding, or the like is preferable. It is particularly preferable to use blow-molded polyethylene or polypropylene that can be formed at a low cost.

  The outer container 5 is provided with a flange portion 54 on the entire periphery near the lower portion of the screw portion on the upper portion of the main body 5B and at the portion covered by the cover 5A when the cover 5A is connected. Is preferably provided. When the flange portion 54 acts like a “mouse back” in a building, water that rebounds from the tile floor surface or the like due to a shower or the like causes the side wall portion 53 of the lid 5A of the outer container 5 to be in contact with the upper portion of the main body 5B. Intrusion from below can be suppressed.

As a specific example of the liquid-tight configuration in the mounting configuration of the outer container 5 and the liquid container 2, as shown in FIG. 2, the opening 51 of the lid 5 </ b> A of the outer container 5 is It forms an opening cylindrical portion 51A which is continuously provided in a vertically downward state, and a convex rib 51B is provided on an upper portion of an inner peripheral surface of the opening cylindrical portion 51A.
One upper flange portion 24 is provided above the base portion 22 of the mouth 21 of the outer container 2, and another lower flange portion 25 is provided below the lower portion.
The upper flange portion 24 and the lower flange portion 25 come into close contact with the inner peripheral surface of the opening cylindrical portion 51A of the opening portion 51 at two places, thereby forming a double liquid-tight state.

  With the above-described configuration, the state shown in FIG. 2A is changed from the state before the mounting to the state shown in FIG. 2B, so that the upper rib-like portion 24 moves over the convex rib 51B. And the upper portion of the opening cylindrical portion 51A becomes liquid-tight, and the lower flange portion 25 is in close contact with the lower surface of the opening cylindrical portion 51A so that the lower portion of the lower portion of the opening cylindrical portion 51A. Becomes liquid-tight, and a double liquid-tight structure can be obtained.

  Further, as a mounting structure between the outer container 5 and the liquid container 2, a screw structure 22A is provided between the upper flange portion 24 and the lower flange portion 25 of the base 22, and the screw structure 22A is screwed. Since the mating threaded structure 51C is provided at a position corresponding to the opening cylindrical portion 51A, the screwing attachment between the opening 51 of the outer container 5 and the opening 21 of the liquid container 2 becomes possible. .

  With the above configuration, that is, a double liquid-tight configuration at a position near the upper surface of the outer container 5 and at a position to enter the inside of the outer container 5, it is possible to prevent double penetration of the hot and cold water at the entrance portion and the exit portion. Since the screwing configuration (the screw configuration 22A and the threaded configuration 51C) that is possible and is the mounting configuration of the outer container 5 and the liquid container 2 is provided between the above-mentioned double liquid-tight configuration, The combined configuration (the screw configuration 22A and the threaded configuration 51C) can be prevented from being immersed in hot or cold water. Therefore, it is possible to suppress the generation of slime and mold in the screwed configuration (the screw configuration 22A and the threaded configuration 51C).

  Next, as shown in FIG. 3, in the screwing configuration of the opening 51 and the opening 21 (the screw configuration 22A and the threaded configuration 51C), a detent portion for preventing excessive tightening at the time of screwing is provided. Is preferred. As the detent part shown in the present embodiment, a hooking claw part 26 protruding outward on a part of the outer periphery of the lower flange-like part 25 and the outer peripheral part of the opening cylindrical part 51A are provided. It is composed of a combination with a hooked claw 53 projecting downward. With this detent portion, the tightening can be stopped at the best tightening position when screwed together, so that the screw portion of the screwed structure (the screw structure 22A or the threaded structure 51C) may be damaged by excessive tightening, Alternatively, it is possible to prevent insufficient tightening.

  Further, in the present embodiment, in addition to the configuration of the rotation preventing portion, a screwing rotation load portion 54 having a shorter projection length than the locking claw portion 53 is provided at a position before the locking claw portion 53 in the screwing rotation direction. Is preferably provided. In the screwing configuration between the opening 51 of the outer container 5 and the opening 21 of the liquid container 2, the screwing rotation load portion 54 is screwed to a tightening completion position at the time of screwing or a position near the tightening completion. As a result, the locking claw portion 26 comes into contact with the screw rotation load portion 54, and is further screwed and rotated. It can be easily determined whether or not screwing has been completed. Therefore, it is possible to prevent the screw portion or the like of the screwing configuration from being damaged by excessive tightening or from being insufficiently tightened.

  It is preferable that the screwing rotation load portion 54 also serves as a reverse rotation preventing portion for preventing the screwing looseness due to the reverse rotation of the hooking claw portion 26 that has passed over. The hooking claw portion 26 can suppress the rear side in the rotation direction of the tightening screw to the screwing rotation load portion 53 that has passed over, so that the loosening of the screw is prevented, and the liquid container 2 from the outer container 5 is prevented from loosening. Not only can it be prevented from falling off, but also the mounting part can be kept in close contact, so that a liquid-tight structure can be maintained. In addition, when the pump body 3 is screwed into the opening 21 of the liquid container 2, the opening 21 of the liquid container 2 rotates around when the pump body 3 is screwed and falls off from the opening 51 of the outer container 5. Can be prevented.

  According to the liquid removing device 1 of the present invention having the above-described configuration, the liquid removing device 1 can be used in a sanitary manner by suppressing the intrusion of hot water into the outer container 5.

  In particular, the attachment of the liquid container 2 housed in the outer container 5 to the outer container 5 is performed by fixing the opening 21 of the liquid container 2 to the opening 51 provided at the top of the lid 5A of the outer container 5. However, since the liquid-tight configuration is achieved by bringing the fixed portion between the opening 51 and the mouth 21 into close contact with each other, the fixing portion between the opening 51 and the mouth 21 as in the related art is used. It is possible to prevent hot water from entering the outer container from the existing gap. Therefore, the generation of slime and mold in the outer container can be suppressed over a long period of time, for example, until the liquid filled in the liquid container 2 is used up, so that it can be used hygienically.

As described above, in the configuration in which the outer container 5 and the liquid container 2 are attached in a liquid-tight configuration and the liquid container 2 is stored in the outer container 5,
The air displacement in the outer container 5 when the liquid in the liquid container 2 contracts (reduces) due to the negative pressure in the liquid container 2 as the liquid in the liquid container 2 is sucked and discharged by the operation of the pump body 3 is It is performed by a forkway A provided between the main body 5B of the container 5 and the lid 5A.

  When the main body 5B of the outer container 5 and the lid 5A are screwed together, the upper end of the upper opening of the main body 5B and the lower surface of the top plate 52 of the lid 5A partially form a gap. In this state, the gap portion becomes the ventilation path A.

  As a specific configuration of the ventilation path A, for example, in the present embodiment shown in FIGS. 4 and 5, one or more (four in this embodiment) convex portions are provided on the lower surface of the top plate 52 of the lid 5A. 52A is provided, and the projection 52A abuts on the upper end of the upper opening of the main body 5B to form a gap between the upper end and the lower surface of the top plate 52 of the lid 5A. Road A.

  As described above, the liquid removing device according to the present invention has been described based on the embodiments. However, the present invention is not limited to the above embodiments, and other embodiments can be adopted within the scope of the present invention.

  For example, in the above embodiment, the upper and lower flanges 24 and 25 are in a double liquid-tight state by being in close contact with the inner peripheral surface of the opening cylindrical portion 51A of the opening 51 at two places. However, it may be a liquid-tight configuration of only one of the upper part and the lower part, a liquid-tight structure of an intermediate part between the upper part and the lower part, or a triple or more liquid-tight structure in which three or more parts are in close contact. Is also good. The number of the flanges formed on the outer periphery of the base 22 of the liquid container 2 is not limited to two (the upper flange 24 and the lower flange 25) in the above embodiment, but may be one of them. It may be three or more with additional flanges.

  Further, in the above embodiment, the inner peripheral surface of the opening cylindrical portion 51A vertically extending downward from the opening 51 is liquid-tight. However, the inner surface of the opening 51 is not provided with the opening cylindrical portion 51A. Liquid-tight configuration.

  Further, in the above-described embodiment, the convex rib 51B is provided on the inner peripheral surface of the open cylindrical portion 51A, and the upper flange 24 is brought into close contact with the convex rib 51B. The present invention is not limited thereto, and a convex rib and / or a concave groove may be provided on one or both of a portion where the inner peripheral surface of the open cylindrical portion 51A and the base 22 are in close contact with each other. A liquid-tight state may be obtained by the close contact of the grooves. For example, FIGS. 6 to 9 show configuration examples.

  In the embodiment shown in FIG. 6, concave grooves 55 and 56 are provided in the upper and lower portions of the inner peripheral surface of the open cylindrical portion 51A, and the upper flange 24 and the lower flange 25 are provided in each of the grooves 55 and 56. Are liquid-tight by closely contacting the outer peripheral ends in the fitted state.

  In the embodiment shown in FIG. 7, convex ribs 51B and 51B are provided on the upper and lower portions of the inner peripheral surface of the open cylindrical portion 51A, and the upper rib 24 and the lower flange 25 are provided on each of the ribs 51B and 51B. Are liquid-tight by being brought into close contact with each of the concave grooves 24A and 25A provided at the outer peripheral end thereof.

  In the embodiment shown in FIG. 8, the inner peripheral surface of the open cylindrical portion 51A is made flat without providing a convex rib or a concave groove, and the outer peripheral surfaces of the upper flange portion 24 and the lower flange portion 25 are flat on this flat portion. In this configuration, liquid-tightness is achieved by close contact.

  In the embodiment shown in FIG. 9, the lower half of the outer peripheral surface of the upper flange portion 24 is cut off, the upper half of the outer peripheral surface of the lower flange portion 25 is cut, and the upper end of the open cylindrical portion 51 </ b> A The edge portion and the lower edge portion are configured to be liquid-tight by being closely fitted in the fitted state.

  Further, in the above-described embodiment, the opening 51 and the mouth 21 are attached by screwing, but may be fitted by a fitting as shown in FIG.

  The fitting configuration shown in FIG. 10 includes an inner diameter of an opening cylindrical portion 51A that is continuously provided in a downwardly extending state from the opening 51 of the outer container 5 and an upper flange portion 24 that is a base portion 22 of the liquid container 2. By making the outer diameter of the portion between the lower collar 25 and the outer diameter of the portion substantially coincide with each other, the outer peripheral surface of the base 22 is fitted to the inner peripheral surface of the open cylindrical portion 51A in a state of being in close contact with the inner peripheral surface. It is a configuration that matches. By the fitting configuration in the close contact state, the mounting portion between the outer container 5 and the liquid container 2 becomes a liquid-tight configuration, so that it is possible to prevent water from entering the outer container 5 from this mounting portion.

  Further, in the above embodiment, the outer container 5 has a two-member configuration having the lid 5A and the main body 5B. However, for example, a configuration in which the bottom of the outer container 5 is opened and the liquid container 2 is stored from below may be employed. it can. In this case, the outer container 5 may have a single-piece configuration, or may have a two-member configuration in which a bottom member for closing the bottom is added.

  For example, in the above embodiment, the ventilation path A is formed by providing one or more convex portions 52A on the lower surface of the top plate 52 of the lid 5A. However, as shown in FIG. The ventilation path A may be formed by providing one or more (preferably a plurality of) recesses 52B on the lower surface.

  Further, as shown in FIG. 12, one or more (preferably a plurality of) recesses 52C may be provided at the upper end of the upper opening of the main body 5B to form the ventilation path A.

  Further, as shown in FIG. 13, the ventilation path A may be formed by providing one or more (preferably a plurality of) projections 52D at the upper end of the upper opening of the main body 5B.

  Further, the ventilation path A may be formed by providing a convex portion or a concave portion on both the lid 5A and the main body 5B.

DESCRIPTION OF SYMBOLS 1 Liquid removal apparatus 2 Liquid container 21 Mouth 22 Base 22A Screw structure 23 Mounting member 24 Upper flange 24A Concave groove 25 Lower flange 25A Concave groove 26 Hook claw 3 Pump body 4 Suction tube 5 Outer container 5A Cover Body 5B Main body 51 Opening 51A Open cylindrical part 51B Convex rib 51C Threaded structure
52 Top plate 52A Convex part 52B Concave part 52C Concave part 52D Convex part 53 Engagement claw part 54 Screwing rotation load part 55, 56 Concave groove 57 Side wall part 58 Flange part A Air passage

Claims (10)

A flexible liquid container filled with a liquid, an outer container for storing the liquid container, a pump body attached to an opening of the liquid container for sucking and discharging the liquid, and suction of the pump body A suction pipe attached in communication with the part and inserted and disposed inside the liquid container,
In the airless type liquid take-out device, a structure is provided in which the liquid in the liquid container is contracted (reduced) with a negative pressure in the liquid container as the liquid in the liquid container is sucked and discharged by the operation of the pump body.
The outer container has a main body having an upper opening configuration, and a lid body configured to cover the upper opening by being screwed and joined in a state of being put on the upper part of the main body,
The lid body has a top plate having an opening and a side wall portion vertically provided in a continuous state from an edge of the top plate,
A configuration in which a ventilation path is provided between the upper end of the upper opening of the main body and the lower surface of the top plate of the lid that come into contact when the main body and the lid are screwed together by screwing;
Further, a configuration is such that the base of the mouth is attached to the opening in a state where the mouth of the liquid container is inserted from below into the opening of the top plate of the lid of the outer container and projects upward. And
A configuration in which when the base is attached to the opening, at least a part of the entire inner peripheral surface of the opening and at least a part of the entire outer peripheral surface of the base are in close contact with each other; By having a liquid-tight configuration that prevents intrusion of moisture into the outer container from the mounting portion of the outer container and the liquid container,
The opening of the top plate of the lid of the outer container forms an opening cylindrical portion which is continuously provided vertically downward from the opening, and a convex rib is provided on the inner peripheral surface of the opening cylindrical portion. Is provided,
An upper flange portion is provided at an upper portion of the base portion, and another lower flange portion is provided at a lower portion,
Each of the upper flange portion and the lower flange portion is in a liquid-tight state by being in close contact with the inner peripheral surface of the opening cylindrical portion,
Further, a screw configuration is provided between the upper flange portion and the lower flange portion of the base, and a threaded configuration to which the screw configuration is screwed is provided at a position corresponding to the open cylindrical portion. Thereby, it is possible to screw-fit the opening of the outer container and the opening of the liquid container,
A liquid removal device characterized by the above-mentioned. The opening portion of the outer container forms an opening cylindrical portion which is continuously provided vertically downward from the opening portion, and a liquid-tight configuration is provided between the opening cylindrical portion and the base of the liquid container. The liquid removal device according to claim 1, wherein: 3. The liquid take-out device according to claim 1 , wherein the liquid take-out device has a double liquid-tight configuration in which the upper portion and the lower portion of the inner peripheral surface of the open cylindrical portion are in close contact with the base of the liquid container. The screwing configuration between the opening of the outer container and the mouth of the liquid container, wherein a detent portion for preventing excessive tightening at the time of screwing is provided . 3. The liquid removal device according to 1. In the screwing configuration between the opening of the outer container and the mouth of the liquid container, a screwing rotation load unit that notifies that the screwing has been performed to the tightening completed position at the time of screwing or a position near the tightening completed. The liquid removal device according to any one of claims 1 to 4, further comprising: In the screwing configuration between the opening of the outer container and the opening of the liquid container, a reverse rotation preventing portion is provided that prevents screw loosening due to reverse rotation of the screwed configuration tightened. The liquid removal device according to any one of claims 1 to 5 , wherein In the screwing configuration of the opening of the outer container and the opening of the liquid container, a reverse rotation preventing portion is provided to prevent loosening due to reverse rotation of the screwed configuration tightened and screwed,
The liquid take-out device according to any one of claims 1 to 6 , wherein, at the time of screwing rotation, a position where the load is passed through the reverse rotation preventing portion is a tightening completed position. The liquid take-out device according to any one of claims 1 to 7 , wherein an attachment configuration between the mouth of the liquid container and the pump body is a screw-in configuration. A configuration in which the outer container is provided with a convex portion and / or a concave portion at one or both of an upper end portion of an upper opening of a main body and a lower surface portion of a top plate of a lid, which are in contact with each other by screwing, to form an air passage. The liquid removal device according to any one of claims 1 to 8 , wherein A configuration in which a flange portion is provided on the entire periphery near the lower portion of the screw portion at the upper portion of the main body of the outer container, and at a portion covered by the lid when the lid is covered and coupled. The liquid removal device according to any one of claims 1 to 9 , wherein

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