JP4589143B2 - Inner bag for container - Google Patents

Description

  The present invention relates to an inner bag of a container container used for transporting and storing various fluids.

  A container container used for transporting and storing various fluids has a structure in which a discharge tube and a valve are provided at the bottom of a metal container body, and stores a fluid in an inner bag attached to the inside of the container body. The nozzle attached to the bottom of the inner bag body in communication with the inside is positioned in the discharge cylinder, and the fluid is taken out by opening the valve. The fluid is stored in the inner bag. Therefore, there is no occurrence of direct contact between the fluid and the container body, and when changing the type of fluid to be stored, the inner bag needs to be replaced. There is an advantage that reduction is possible.

The nozzle in the conventional inner bag is formed of a flexible material so that it can correspond to the bent shape of the discharge cylinder, and its upper end is connected to the bottom of the inner bag body by welding or the like and integrated with the inner bag body It has a structure to prevent contact between the container container and its discharge cylinder and the fluid as the contents (see, for example, Patent Document 1, Patent Document 2, and Patent Document 3).
Japanese Patent No. 2915342 JP 2000-168888 A JP 2001-122389 A

  By the way, the inner bag described above has to insert the nozzle into the discharge cylinder when it is mounted in the container container, and the discharge cylinder has a shape bent horizontally from the bottom of the container body and horizontally bent, for example. Therefore, inserting the inner bag into the container body from the upper end opening and inserting the nozzle located at the lower end into the discharge cylinder is very difficult to work even if the nozzle is flexible. There is.

  Also, when taking out the inner bag to replace the contents of the container container, the nozzle is drawn into the discharge cylinder, but the nozzle tip is open, so that the fluid remaining in the nozzle flows out of the nozzle tip. There is a problem that the inside of the discharge tube and the container container is contaminated, and then the discharge tube and the container container need to be cleaned.

  Therefore, the object of the present invention is to easily and efficiently insert the nozzle into the discharge cylinder, and to eliminate the need for cleaning work without contaminating the inside of the discharge cylinder when the inner bag is taken out. An object is to provide an inner bag for a container container.

To solve the above problems, the invention of claim 1, is mounted within the container vessel having a discharge tube at the bottom of the container body, the inner bag body to be positioned in the container body, of the inner bag body in parts and communicating with the lower end outer peripheral Ru container container inner bag name from the nozzle flange portion is positioned in the discharge cylinder has a retractable bellows tube provided, the nozzle, its outer surface near the lower end A flexible cylindrical body that covers the lower end of the nozzle when it is joined and folded on the outer surface of the nozzle and extended, and a string that has the required length attached to the nozzle via a removable connecting means The structure which has a member is employ | adopted.

  The bellows tube in the nozzle may be separate from the inner bag body using polyethylene or the like, or may be integrally formed with the inner bag body, has a straight cylindrical portion at both ends, and a collar portion provided at the lower end portion Has an outer diameter that can be engaged with the opening at the front end of the discharge tube of the container container.

  The flexible cylindrical body is made of polyethylene or the like and is open at both ends with a diameter substantially equal to the diameter of the bellows cylinder, and one end is joined so as to surround the outer surface of the lower end cylindrical portion of the bellows cylinder. It is folded on the outer surface of the bellows cylinder, but when the other end is extended, it becomes a cylinder with the lower end of the bellows cylinder inside, and the nozzle opening can be closed by sealing this other end with appropriate means It is like that.

  In addition, the string-like member can be attached to the bellows cylinder through various detachable connection means such as a cleavable string or tape, or a hole provided between the string-like member and the bellows cylinder and a hook locking means. It is connected.

  Thus, since the inner surface of the container main body is covered with the inner bag main body and the nozzle is present inside the discharge cylinder, the container container has no contact between the stored fluid and the container container, and the container container is Cleaning the inside of the container main body and the discharge tube is not required simply by replacing the bag.

Next, the invention according to claim 2 is the container container inner bag according to claim 1, wherein the string-like member has a weight at the tip and a fastening member for winding and fixing the nozzle as a connecting means. Is adopted.

The string-like member is lowered by the weight in the discharge cylinder by gravity due to the weight provided at the tip, and the nozzle connected thereto is guided into the discharge cylinder.

In addition, the connecting means is a fastening member that is wrapped around the outer peripheral surface of the bellows cylinder and fastened, so that the string-like member is fixed to the nozzle by fastening of the fastening member, and it is prevented from coming off due to the presence of the collar portion at the lower end of the nozzle. After the inner bag is attached to the container container, the string-like member can be removed from the nozzle by releasing the fastening of the fastening member, and can be reused.

  According to the first aspect of the present invention, when the nozzle is inserted into the discharge tube, the string member is passed through the discharge tube, and the string member is pulled from the open end, whereby the bellows tube is moved from the container body into the discharge tube. The bellows cylinder can be retracted, and the expansion and contraction of the bellows cylinder conforms to the curved shape of the discharge cylinder, so that the nozzle can be easily and efficiently inserted into the discharge cylinder. Since it has flexibility, it can respond to various lengths and bent shapes of the discharge tube, and is versatile for various container containers.

  Furthermore, after the nozzle is inserted into the discharge cylinder, the string-like member can be removed using a detachable connecting means, and the working efficiency is further improved.

  In addition, when replacing the inner bag, the tip of the nozzle can be closed by extending the flexible cylindrical body folded on the outer surface of the bellows cylinder and tying the end of the flexible cylinder. There is no such thing as spilling.

  Next, according to the invention of claim 2, when the inner bag is mounted on the container container, the nozzle is vertically oriented due to the gravity applied to the weight, and even the position and the inlet to the discharge tube at the bottom of the container body If combined, the nozzle can be easily introduced into the discharge cylinder.

  If a metal made of a ferromagnetic material such as iron or its alloy is used for the weight, a magnet is attached to the tip from the discharge port of the discharge tube extending in the horizontal direction with respect to the weight reaching the bottom of the discharge tube. If the rod is inserted and the weight is attracted to the magnet and pulled out from the discharge port, the nozzle can be easily mounted in the discharge cylinder.

  Furthermore, the string-like member can be easily removed from the bellows tube by releasing the fastening member, and the string-like member can be reused.

  A nozzle attached to the bottom of the inner bag body in communication with the inside, a telescopic bellows tube having a flange on the outer periphery of the lower end portion, and one end thereof joined to the outer surface near the lower end of the bellows tube A flexible cylindrical body that covers the lower end of the bellows cylinder when extended and extended on the outer surface of the bellows cylinder, and a string-like member having a required length attached to the bellows cylinder via a detachable connecting means And formed with.

  In addition, the string-like member in the said embodiment can also be set as the structure which has the weight of a front-end | tip part, and the fastening member which winds a bellows cylinder as a connection means, and is fastened and fixed.

  As shown in FIG. 1, the container container 1 includes a metal container main body 3 that is self-supported by a plurality of support legs 2, and a discharge cylinder 4 provided at the bottom of the container main body 3. A cylindrical pipe is used to hang from the bottom of the container body 3 and bend horizontally from the middle.

  As shown in FIG. 2, the inner bag 5 to be loaded inside the container container 1 is formed by an inner bag body 6 that is housed in the container body 3, and a nozzle 7 that is connected to the bottom of the inner bag body 6. The inner bag body 6 is made of a watertight resin such as polyethylene, has an opening at the upper end, and is formed into a bag with a closed bottom.

  2 and 3, the nozzle 7 has a short mounting cylinder 9 having a flange 8 for mounting to the inner bag body 6 on the outer periphery of the upper end, and an upper end connected to the lower end of the mounting cylinder 9. A telescopic bellows tube 11 provided with a flange 10 on the outer periphery of the lower end portion, and has flexibility and airtight water tightness, and surrounds the outer periphery of the bellows tube 11 on the lower end side of the bellows tube 11. The flexible tubular body 12 provided so that one end thereof is bonded and fixed and the other end is folded back at the intermediate portion, and the required length attached to the vicinity of the collar portion 10 at the tip of the bellows tube 11 The string-like member 13 is formed.

  The mounting cylinder 9, the bellows cylinder 11, and the flexible cylindrical body 12 are made of flexible resin such as polyethylene and are formed to have outer diameters that can be accommodated inside the discharge cylinder 4. 11 may be molded separately as shown, or may be integrally molded.

  The bellows cylinder 11 has a structure in which straight cylindrical portions 15 and 16 are coupled to both ends of a predetermined length of the bellows portion 14 having expansion and contraction and bendability. And the circular flange portion 10 provided on the outer periphery of the end portion of the cylindrical portion 16 at the lower end coincides with the outer diameter of the discharge tube 4 of the container container or has a slightly larger diameter than that. It has become.

  The flexible cylindrical body 12 has a diameter substantially equal to that of the cylindrical portion 16 of the bellows cylinder 11, and is attached after external fitting is inserted from the lower end portion of the bellows cylinder 11 using the flexibility of the flange portion 10. When one end thereof is heat-welded so as to surround the cylindrical portion 16 in the vicinity of the flange portion 10 or bonded with an adhesive, and then the intermediate portion is folded back so that the other end portion reaches this adhesive fixing portion. Since the cylindrical portion 16 and the flexible cylindrical body 12 have substantially the same diameter, the flexible cylindrical body 12 is in close contact with the outer surface of the cylindrical portion 16.

  The string-like member 13 includes a fastening belt 17, a string 18 having both ends fixed to the fastening belt 17, and a weight 19 attached to the string 18, and the fastening belt 17 is connected to the flange portion of the bellows cylinder 11. The bellows tube 11 is wound around the cylindrical portion 16 near the top of the flexible tubular body 12 and is fastened with the fastening belt 17 fastened by a fastening member 20 using a known means provided on the fastening belt 17. The string-like member 13 is fixedly attached.

  The means for fixing the weight 19 to the string 18 in the string-like member 13 includes, for example, a means for providing a through hole in the disk-shaped weight 19 and inserting the string 18 through the through hole. Various methods can be applied without being limited to these.

  Further, the fixing method of the string-like member 13 to the bellows cylinder 11 is not limited to the illustrated one, and attachment means other than the fastening belt 17 can be used.

  The inner bag 5 of the present invention is configured as described above, and the periphery of the hole provided in the bottom of the inner bag body 6 is reinforced with a reinforcing member 21 made of a material similar to that of the inner bag body 6, and then the hole is formed in the hole. The attachment tube 9 is inserted from the inside, and the flange 8 is attached to the bottom of the inner bag body 6 so as to communicate with the inside, and is attached to the lower end of the attachment tube 9 projecting from the inner bag body 6 to the outside. The upper cylindrical portion 15 of the bellows tube 11 is connected by bonding, welding, or the like.

  Further, the string member 13 is attached and fixed to the lower end cylindrical portion 16 of the bellows tube 11 to assemble the nozzle 7, and the inner bag 5 having the nozzle 7 attached to the bottom portion is completed as shown in FIG.

  Next, the procedure for removing the inner bag 5 from the container container for replacement and replacement will be described with reference to FIGS. 4 and 5, and a longitudinal sectional view in the vicinity of the end of the discharge tube 4 in FIGS. This will be explained with reference to.

  In order to load the inner bag 5 as described above into the container container 1, as shown in FIG. 2 (A), the inner bag main body 6 is vertically folded and folded into a long flat shape (FIGS. 4 (1) (2) In this state, the inner bag 5 is inserted into the container container 1 through the opening on the upper surface with the nozzle 7 facing down, and the string-like member 13 is advanced into the discharge cylinder 4 with the weight 19 hanging down due to gravity. At the same time, a rod 23 provided with a magnet 22 at the tip is inserted from the tip opening side of the discharge cylinder 4 (FIG. 4 (3)).

  When the rod 22 is pulled out after the magnet 22 attracts the iron weight 19 by the magnetic force, the weight 19 attracted to the magnet 22 also advances in the discharge cylinder 4 toward the tip opening, and the nozzle 7 is pulled into the discharge cylinder 4. When the rod 23 is completely removed from the discharge cylinder 4, the weight 19 comes out of the opening of the tip of the discharge cylinder 4, and when the string 18 is subsequently pulled out, the collar portion 10 of the bellows cylinder 11 is moved to the discharge cylinder 4. Is pulled out so as to be located outside (FIG. 4 (4)).

  The flange portion 10 provided at the end of the bellows tube 11 passes through the discharge tube 4 in a compressed state, is restored when it goes out of the discharge tube 4, and is locked to the end of the discharge tube 4. As a result, the discharge tube 4 is prevented from returning to the inside of the bellows tube 11.

  Moreover, since the bellows tube 11 has expansion and contraction and bendability, it has a following capability with respect to the shape of the discharge tube 4 having a bent portion, and can correspond to the discharge tube 4 having a different shape. The versatile nozzle 7 can be formed.

  Next, the fastening member 20 of the string-like member 13 is removed and the fastening belt 17 is unfastened (FIGS. 5 (5) and 6). The string-like member 13 is removed from the bellows cylinder 11, and the discharge cylinder 4 is removed therefrom. A separate opening / closing valve 24 is attached to the end of the bag by means of screwing or the like to close the end opening of the discharge cylinder 4, and in this state, the inner bag body 6 is filled with a fluid and transported or stored. In addition, the stored fluid can be taken out by operating the on-off valve 24 (FIGS. 5 (6) and 7).

  The removed string-like member 13 can be reused as it is as a string-like member of another container inner bag.

  When the inner bag 5 is to be replaced, the open / close valve 24 is removed, and the flexible cylindrical body 12 that is folded and covered on the end of the cylindrical portion 16 as shown in FIG. (FIG. 5 (7)), this portion is wrapped with a string 25 or closed with an adhesive tape, and then the inner bag body 6 is pulled out from the upper surface opening of the container body 3 (FIG. 5). (8)) At the same time, the nozzle 7 is also extracted from the inside of the discharge cylinder 4, and at that time, the end of the flexible cylindrical body 12 is closed. There is no liquid spilling fluid inside.

  Note that reference numeral 26 in FIG. 8 indicates an adhesive fixing portion between the periphery of the cylindrical portion 16 of the bellows tube 11 and the end portion of the flexible cylindrical body 12.

  Thus, the container container 1 has the inner surface of the container main body 3 covered with the inner bag main body 6 and the nozzle 7 is present inside the discharge tube 4, so there is no contact between the stored fluid and the container container 1. It is only necessary to replace the inner bag 5 when changing the fluid, and the inside of the container main body 3 and the inside of the discharge tube 4 are not required.

  Next, another example of the string-like member in the inner bag of the present invention will be described with reference to FIG. 9. Components and members having the same shape and function as those of the first embodiment are denoted by the same reference numerals. explain.

  The string-like member 27 connected to the bottom of the inner bag main body of this embodiment has two resin tapes as removable connecting members having both ends connected to the outer surface of the cylindrical portion 16 of the bellows tube 11. 28, a string 29 having one end connected to the intersection of the two tapes 28, and a weight 19 provided at the other end of the string 29.

  The two tapes 28 have a material and thickness that can be cut by a simple operation, and both ends thereof are above the position where the flexible cylindrical body 12 of the cylindrical portion 16 of the bellows tube 11 is attached (the bellows portion). 14) is connected by an appropriate means such as heat welding, and is integrated by an appropriate means such as heat welding at the lower intersection of the bellows tube 11.

  At the intersection of the tapes 28, one end of the string 29 is attached by appropriate means, and the weight 19 made of a ferromagnetic material such as iron is attached to the other end of the string 29.

  In the case of the second embodiment, the method for introducing the inner bag 5 into the container container 1 is the same as that of the first embodiment, and the tape-like member 27 that guides the bellows tube 11 in advance in the discharge tube 4 is attached with the tape 28. It is removed by cutting, and then the opening / closing valve 24 is attached.

  Still another example of the string-like member in the inner bag according to the present invention will be described with reference to FIG. 10. Components and members having the same shape and function as those of the first and second embodiments are denoted by the same reference numerals. To explain.

  In order to use the string-like member 30 of the third embodiment, the collar portion 31 is provided on the outer periphery of the cylindrical portion 34 that is above the lower end portion, and several locations (four locations in the illustrated example) are provided near the lower end portion on the lower side. A telescopic bellows tube 33 provided with a hole 32 is used.

  The string-shaped member 30 includes a string 36 having a hook 35 that can be engaged with the hole 32 at the lower end of the bellows cylinder 33 at one end, and a weight 19 provided at the other end of the string 36.

  The operation of the bellows tube 33 and its flange 31 and the structure and operation of the flexible cylindrical body 12 and the weight 19 are the same as those of the other embodiments, and the description thereof is omitted.

  The hook 35 provided on the string 36 has a fishhook shape so that it does not easily come off when engaged with the hole 32, and is engaged with any one of the four holes 32. The inner bag is mounted in the container in the engaged state. Only one hole 32 may be provided.

  The string 36 integrated with the hook 35 and the weight 19 is not damaged or cut during removal, and the hook 35 and the string 36 with the weight 19 can be reused as many times as they are. Can be economical.

The partially cutaway front view of the container container equipped with the inner bag of this invention. (A) is the front view of the state which the completed inner bag was folded, (B) is a partially notched front view which decomposes | disassembles and shows an inner bag main body. The perspective view near the front-end | tip part of a nozzle. (1)-(4) is explanatory drawing which shows the attachment and removal to the container container of the inner bag of this invention later on. (5)-(8) is explanatory drawing which shows attachment and removal to the container container of this invention later on. The partially cutaway front view of the state which inserted the nozzle in the discharge cylinder and removed the string-like member. The expanded longitudinal cross-sectional view of the state which closed the opening of the discharge cylinder with the opening-and-closing valve. The longitudinal cross-sectional view which shows the state which clamped the edge part of the bag-shaped member for the time of replacement | exchange of an inner bag. (A) is the partially cutaway front view which expanded the principal part of the nozzle of another Example, (B) is a perspective view in the same as the above. Furthermore, the perspective view which expanded the principal part of the other nozzle.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Container container 2 Support leg 3 Container main body 4 Outlet cylinder 5 Inner bag 6 Inner bag main body 7 Nozzle 8 collar part 9 attachment cylinder 10 collar part 11 bellows cylinder 12 flexible cylindrical body 13 string-like member 14 bellows part 15 cylindrical part 16 Cylindrical portion 17 Fastening belt 18 String 19 Weight 20 Fastening fitting 21 Reinforcing member 22 Magnet 23 Bar 24 Opening and closing valve 25 String 26 Adhesive fixing portion 27 String-shaped member 28 Tape 29 String 30 String-shaped member 31 Gutter 32 Hole 33 Bellows cylinder 34 Cylinder Part 35 hook 36 string

Claims (2)

Is mounted within the container vessel having a discharge tube at the bottom of the container body, the inner bag body to be positioned in the container body, the flange portion is provided at the lower end outer periphery communicating with the inner portion of the inner bag body telescopic bellows in Ru bag container vessel name from the nozzles to be positioned in the discharge tube has a cylindrical,
Wherein said nozzle is folded on the outer surface of the nozzle by joining one end thereof to the outer surface near the lower end, a flexible tubular body which covers the lower end portion of the nozzle when the extended, via a releasable connection means An inner bag for a container container, comprising a string-like member having a required length attached to a nozzle . In the claims the bag 1 of a container vessel, the string member has a weight of tip container container inner bag, characterized in that it comprises a fastening member for fastening and fixing by winding a nozzle as a connection means.

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