JPH10310193A - Air tube type liquid tank and air tube - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an air tube type liquid tank which easily changes the largest storage volume and prevents the liquid contained in the inside from leaking out. SOLUTION: A plurality of ring-shaped air tubes 2,... are stacked and the connection faces are detachably fixed with plane fasteners. And a bottom cloth 3 is stuck on the underface of the air tube 2 of the lowermost stage. Then, an inner sheet 4 is arranged in the inside and the upper end thereof is tied with the joint piece of the air tube 2 of the uppermost stage. And a discharge pipe 8 is connected to a specified part of the inner sheet 4 and led to the outside by a discharge guide part and the periphery of the discharge pipe 8 is hermetically sealed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air tube type liquid tank used for, for example, a water tank.

[0002]

2. Description of the Related Art Conventionally, an air tube type water tank such as the Japanese Utility Model Laid-Open No. 7-22656 proposed by the present applicant has been known as a water tank for scooping goldfish and fishing with a water balloon in an open-air store or the like. As a technique for forming a relatively large liquid tank by stacking a plurality of air tubes, for example, a technique as shown in the drawing of Japanese Patent Application Laid-Open No. 4-84975 is known.

[0003] This liquid tank is constituted as a storage tank for diluting a concentrated liquid of foam fire extinguishing agent when discharging a mixture of foam fire extinguishing agent from a fire engine or the like, as shown in FIG.
A cylindrical medicine tank 51 formed from a rubberized cloth and having an open upper surface.
Are surrounded by the outer walls of the air tubes 52 stacked in a plurality of stages, and the upper edge of the opening of the medicine tank 51 is connected to the uppermost air tube 52 with a fastening string.

The air tubes 52 of each stage are fixedly connected to each other in a state where the air inflation chambers are communicated with each other through communication holes. When not in use, the entirety of the air tubes 52 is stored, and when in use, the air inflation chamber is inflated. And assemble them.

[0005]

However, in the liquid tank as disclosed in Japanese Patent Application Laid-Open No. 4-84975, a plurality of air tubes are always fixed, and when the liquid tube is folded, it becomes large and requires a storage space. At the same time, there is a problem that the maximum storage capacity is regulated and the use is limited. Further, when the medicine tank 51 housed inside the outer wall of the air tube 52 is damaged, the stored liquid may leak out.

[0006] Therefore, the present invention provides an air storage system in which the maximum storage capacity can be easily changed, and the storage tank accommodated in the outer wall is hardly damaged. The purpose is to provide a tube type liquid tank.

[0007]

In order to achieve the above object, according to the present invention, in claim 1, a plurality of annular air tubes are stacked to form a peripheral wall, and an inner sheet is disposed inside the peripheral wall. In an air tube type liquid tank in which a liquid tank is formed, a plurality of air tubes are made detachable by attaching and detaching means.

When increasing or decreasing the storage capacity, the number of air tube stacking stages is increased or decreased. Here, as the attaching / detaching means, for example, a hook-and-loop fastener fixed to an air tube, a fastening piece used when fastening with a fastening string or the like, a double-sided adhesive tape, an adhesive, or the like can be applied.

When the air tubes are detachable from each other as described above, it is generally difficult to completely seal the air tubes, so that an inner sheet for storing liquid is provided inside. Set up. For this reason, a waterproof material is provided as the inner sheet, and an appropriate material is selected from materials such as a rubberized cloth, a polyethylene sheet, a PVC film, a urethane sheet, and a tarpaulin in consideration of a relationship with a stored liquid and the like. .

According to a second aspect of the present invention, there is provided an air tube type liquid tank in which a plurality of annular air tubes are stacked to form a peripheral wall, and an inner sheet is disposed inside the peripheral wall to form a liquid tank. The bottom cloth was stuck to the lowermost air tube among the air tubes.

With such a bottom cloth, the inner sheet is prevented from directly contacting the floor surface or the like, so that the inner sheet is hardly damaged, and even if the inner sheet is damaged, the liquid inside leaks out. Not to be.

As a material of such a bottom cloth, a material which is resistant to abrasion and has a high waterproof function is preferable, similarly to the material constituting the air tube. For example, a rubberized cloth, a rubber tarpaulin, a waterproof canvas and the like can be applied. .

According to a third aspect of the present invention, there is provided an air tube type liquid tank in which a plurality of annular air tubes are stacked to form a peripheral wall, and an inner sheet is disposed inside the peripheral wall to form a liquid tank. A plurality of air tubes were made detachable by attaching and detaching means, and a bottom cloth was stuck to the lowermost air tube.

The storage capacity is changed by increasing or decreasing the number of stacking stages of the air tubes, and the bottom cloth is used to protect the inner sheet and prevent leakage of the liquid to the outside.

According to a fourth aspect of the present invention, an anchoring piece for anchoring the inner sheet is attached to the uppermost air tube. For example, the anchoring piece is fixed to a predetermined portion of the uppermost air tube by bonding or the like, and a string passing hole or the like is provided at a predetermined location, and a string passing hole or the like is provided at the upper edge portion or the like of the inner sheet. Keep it. Then, the anchoring piece and the inner sheet are connected to each other through a string passing hole of the inner sheet through a fastening string or the like.

According to the present invention, at least one discharge port is provided in the inner sheet, and a discharge guide for guiding a pipe extending from the discharge port to the outside is provided between the lowermost air tube and the bottom cloth. Part was formed. The discharge guide guides the discharge pipe to the outside, and the discharge guide and the air tube, and the space between the discharge pipe and the bottom cloth are sealed by the discharge guide.

According to a sixth aspect of the present invention, in the annular air tube for forming the air tube type liquid tank, at least one of the upper surface and the lower surface is provided with a surface fastener for attaching and detaching to an adjacent air tube, or for fastening. A piece was provided.

When a plurality of such air tubes are stacked to form a liquid tank, attaching and detaching a hook-and-loop fastener or a fastening piece to the air tubes in advance makes it possible to easily perform the attaching / detaching operation. Here, the hook-and-loop fastener can be a general crimp-type hook-and-loop fastener or the like, and in the case of a fastening piece, for example, adopts a configuration substantially similar to the mooring piece so that it can be bound with a fastening string or the like. I do. The uppermost air tube may be provided with at least a hook-and-loop fastener only on the lower surface side, and the lowermost air tube may be provided only on at least the upper surface side. Also, a hook-and-loop fastener or the like is provided on the upper and lower surfaces of the air tube in the intermediate portion.

[0019]

Embodiments of the present invention will be described with reference to the accompanying drawings. Here, FIG. 1 is a plan view of an air tube type liquid tank according to the present invention, FIG. 2 is a vertical sectional view of the same, FIG. And FIG. 5 is an explanatory view of a discharge guide section.

The air tube type liquid tank 1 according to the present invention comprises:
As shown in FIGS. 1 and 2, a plurality of annular air tubes 2,..., Which are stacked to form a peripheral wall, a bottom cloth 3 adhered to the bottom surface of the lowermost air tube 2, and a plurality of air tubes 2 are arranged inside the peripheral wall. The inner sheet 4 is provided, and the air tubes 2,... Are made detachable, so that the liquid storage capacity is variable. Also, the inner sheet 4 is hardly damaged by the bottom cloth 3, and Even if the sheet 4 is broken, the liquid tank 1 is configured so that the liquid does not leak to the outside.

The air tube 2 is formed by joining a tube having a circular cross section and made of a resin laminated sheet or a rubberized cloth or the like to form a polygonal annular wall. A material having excellent wear resistance, such as a resin laminated sheet or a rubberized cloth, is fixed to the lowermost air tube 2 in a liquid-tight manner by bonding or the like.

The inner sheet 4 is made of a material such as a rubberized cloth, a polyethylene sheet, a PVC film, a urethane sheet, and a tarpaulin that is hardly eroded by the liquid stored therein. ,
Further, the upper edge portion is connected to the anchoring piece 6 by a fastening cord 7 described later.

As means for attaching and detaching the air tubes 2,..., For example, as shown in FIG.
Fastener 5a fixed to the lower surface of the air tube 2 by bonding or the like, and surface fastener 5b fixed to the upper surface of the lower air tube 2 by bonding or the like.
Are engaged so that they can be easily attached and detached. And in an embodiment, such a surface fastener 5a,
5b is not provided over the entire contact surface of the air tube 2,
Although it is provided partially, it may be provided in the whole area.

The surface fasteners 5a and 5b are provided only on the lower surface of the uppermost air tube 2 and only on the upper surface of the lowermost air tube 2. Both upper and lower surfaces are provided. As the attachment / detachment means, a fastening piece similar to the anchoring piece 6 described later in detail may be provided and connected with a fastening string or the like, or may be joined with a double-sided tape, an adhesive or the like.

A tether 6 as shown in FIG. 4 is fixed to the uppermost air tube 2 by bonding or the like. The anchoring piece 6 is provided with a number of threaded holes, and the fastening string 7 passed through the threaded hole passes through the threaded hole provided along the upper edge of the inner sheet 4. Have been tied.

Further, as shown in FIG.
An outlet is provided at a predetermined location on the bottom of the
Connect the discharge pipe 8 made of a material such as C,
A blind plug 9 is attached to the tip of the discharge pipe 8, and the discharge passage for the liquid is opened and closed by the blind plug 9.

A discharge guide portion 10 for guiding the discharge pipe 8 to the outside is formed between the lowermost air tube 2 and the bottom cloth 3.
The lowermost air tube 2, the bottom cloth 3, and the discharge pipe 8 are hermetically sealed so that no gap is formed between them. By the way, a plurality of handles 11,... (FIG. 1) are attached to the outside of the air tube 2 in the middle for convenience of carrying and the like, and each air tube 2,. There is an entrance and a faucet.

The operation and the like of the air tube type liquid tank 1 configured as described above will be described. When forming the liquid tank 1 from the air tubes 2,... First, the air tubes 2,.
Then, air is introduced into the air chamber of the first stage to expand the air chamber, and the air tube 2 for the intermediate portion and the air tube 2 at the uppermost stage are sequentially placed on the lowermost air tube 2 to engage the hook-and-loop fasteners 5a and 5b. At this time, when reducing the liquid storage capacity, for example, the intermediate section air tube 2 may be removed, and when increasing the liquid storage capacity, it is possible to easily increase or decrease by providing a plurality of intermediate section air tubes 2. is there.

Then, the inner sheet 4 having a size corresponding to the liquid storage capacity is inserted into the internal space, the discharge pipe 8 is passed through the discharge guide portion 10, and the tip thereof is exposed to the outside. Next, when the upper end of the inner sheet 4 is tied to the anchoring piece 6 of the uppermost air tube 2, assembly is completed.

When the liquid tank 1 is assembled as described above, the liquid is stored inside the inner sheet 4. Then, the internal pressure of the air tubes 2,... Is uniformly received from the liquid in each outward direction, and even if the bonding strength is relatively weak as in the case of the surface fasteners 5a, 5b, the air tubes 2,. It is difficult and stable.

The bottom of the inner sheet 4 is protected by the bottom cloth 3 and is not directly in contact with the floor surface or the like. Even when liquid leaks from a part of the inner sheet 4, the lowermost air tube 2 and the bottom cloth 3 are joined in a liquid-tight manner, and the periphery of the discharge pipe 8 is sealed by the discharge guide portion 10. Therefore, the situation of liquid leakage to the outside is suppressed.

Next, when storing the liquid tank 1, after discharging the liquid from the discharge pipe 8, the fastening between the inner sheet 4 and the anchoring piece 6 by the fastening string 7 is released, and air is released from each of the air tubes 2,. It is only necessary to discharge the air chamber to deflate the air chamber and to release the engagement of the hook-and-loop fasteners 5a and 5b. In this case, since it can be divided and folded, one component is reduced in size and does not require a storage space.

The present invention is not limited to the above embodiment. It is needless to say that components having substantially the same configuration as those described in the claims of the present invention and exhibiting the same functions and effects are included in the technical scope of the present invention. For example, the shape of the peripheral wall of the air tube and the like may be other shapes, and the material of the air tube, the inner sheet, the bottom cloth, and the like are also arbitrary.

[0034]

As described above, in the liquid tank according to the present invention, when a plurality of annular air tubes are stacked to form a liquid tank, a plurality of air tubes can be detachably attached by attaching and detaching means. Therefore, if the number of air tube stacking stages is increased or decreased, the liquid storage amount can be easily changed, and can be used for various purposes. Further, if a bottom cloth is attached to the lowermost air tube and an inner sheet is disposed inside the lower side to form a liquid tank, the inner sheet is less likely to be damaged or the like. Further, even if the liquid leaks from the inner sheet, there is no fear that the liquid leaks to the outside. Further, if the plurality of air tubes are made detachable and the bottom cloth is attached to the lowermost air tube as described in claim 3, the storage capacity can be easily changed, and the leakage of the liquid to the outside can be prevented. Can be prevented.

Further, if the anchoring piece for anchoring the inner sheet is attached to the uppermost air tube as in claim 4, the inner sheet can be securely fixed and can be assembled securely. Further, if the pipe connected to the discharge port of the inner sheet is guided by the discharge guide portion as in claim 5, the discharge pipe and the air tube, and the discharge pipe and the bottom cloth can be sealed, For example, it is possible to prevent liquid leaked from the inner sheet from leaking to the outside. Further, if a hook-and-loop fastener or a fastening piece is provided in advance on at least the upper surface or the lower surface of the air tube as described above, the attachment / detachment operation can be easily performed.

[Brief description of the drawings]

FIG. 1 is a plan view of an air tube type liquid tank according to the present invention.

FIG. 2 is a longitudinal sectional view of the same.

FIG. 3 is a partial cross-sectional view when the attachment / detachment means is a hook-and-loop fastener.

FIG. 4 is an explanatory view of a fastening state of a tether and an inner sheet.

FIG. 5 is an explanatory diagram of a discharge guide unit.

FIG. 6 is an explanatory view of a conventional air tube type liquid tank.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Air tube type liquid tank, 2 ... Air tube, 3 ... Bottom cloth, 4 ... Inner sheet, 5a, 5b ... Surface fastener, 6 ...
Mooring pieces, 8: discharge pipe, 10: discharge guide section.

Claims (6)

[Claims] 1. An air tube type liquid tank in which a plurality of annular air tubes are stacked to form a peripheral wall, and an inner sheet is disposed inside the peripheral wall to form a liquid tank. An air tube type liquid tank characterized in that the air tube is detachable by detaching means. 2. An air tube type liquid tank in which a plurality of annular air tubes are stacked to form a peripheral wall, and an inner sheet is disposed inside the peripheral wall to form a liquid tank. An air tube type liquid tank characterized in that a bottom cloth is adhered to a lowermost air tube of the tubes. 3. An air tube type liquid tank in which a plurality of annular air tubes are stacked to form a peripheral wall, and an inner sheet is disposed inside the peripheral wall to form a liquid tank. An air tube type liquid tank characterized in that said air tube is made detachable by attaching and detaching means, and a bottom cloth is adhered to a lowermost air tube. 4. The air tube type liquid tank according to claim 1, wherein a tether for attaching the inner sheet is attached to the uppermost air tube. An air tube type liquid tank characterized by the following. 5. The air tube type liquid tank according to claim 2, wherein the inner sheet has a discharge port at at least one position, and the inner sheet has a discharge port. An air tube type liquid tank, wherein a discharge guide portion for guiding a pipe extending from the discharge port to the outside is formed between the bottom cloth and the bottom cloth. 6. An annular air tube for forming an air tube type liquid tank, wherein at least one of an upper surface and a lower surface has a surface fastener or a fastening piece for attaching and detaching to an adjacent air tube. An air tube characterized by being provided.