CN209871286U - Special liquid bag for container - Google Patents

Abstract

The utility model relates to a technical field of railway container transport packaging material, specific special liquid bag of container that says so, mainly used packing liquid class material. The bag body is of a composite layered structure of two layers of PE films and two layers of PP woven cloth; the feeding port and the discharging port are both provided with valves, the near end of the valve body of the valve is provided with an outward-turned hem, a connecting ring matched with the hem is arranged in the inner cavity of the bag body and around the feeding port or the discharging port, bolt holes are arranged at the corresponding positions of the connecting ring and the hem, and fastening bolts are arranged in the bolt holes. The special liquid bag for the container adopts a sandwich soft bag body structure, can be well attached to the inner wall of the container during use, and is characterized in that the composite bag body material has the characteristics of softness and no leakage of a polyethylene film material and high strength and scratch and rub resistance of polypropylene woven cloth, and has good sealing performance and scratch and rub resistance.

Description

Special liquid bag for container

Technical Field

The utility model relates to a technical field of railway container transport packaging material, specific special liquid bag of container that says so, mainly used packing liquid class material.

Background

When liquid is transported in the existing railway freight industry, hard plastic boxes and barrels are generally adopted as containers. In order to match the shape of the inner cavity of the container, the container transported by the container usually adopts a square structure, and the square plastic box and the square plastic barrel bear large liquid pressure at the corners and are easy to crack to cause liquid leakage. The polyethylene plastic film, namely the square plastic soft bag made of the PE film, has good toughness and can be well attached to the inner wall of the container, the liquid pressure is transmitted to the inner wall of the container, the container body bears the pressure of the liquid, and the bag body cannot be unfolded and torn due to the large liquid pressure. However, the common PE film plastic bag has small thickness, low strength and scratch resistance, and the bag body is easily damaged due to the friction between the bag body and the inner wall of the container or the hanging and rubbing of foreign matters in the transportation process. In addition, the material inlet and outlet of the existing PE film plastic bag adopt the PE film made of the same material as the bag body, so that a liquid valve cannot be installed, and the liquid is inconvenient to feed and discharge.

Disclosure of Invention

The utility model aims at providing a special liquid bag of container that is fit for container liquid transportation, intensity is big to scrape, the convenient business turn over material.

The utility model discloses a technical scheme who solves technical problem and adopt is:

the utility model relates to a special liquid bag for containers, which comprises a rectangular bag body, a feed inlet and a discharge outlet, wherein the feed inlet and the discharge outlet are arranged at the upper end of the bag body; the bag body is characterized in that valves are mounted on the feeding port and the discharging port, the near end of the valve body is provided with an outward-turned folded edge, a connecting ring matched with the folded edge is arranged in the inner cavity of the bag body and around the feeding port or the discharging port, bolt holes are formed in the corresponding positions of the connecting ring and the folded edge, and fastening bolts are mounted in the bolt holes.

The valve can adopt a ball valve or a stop valve.

One end of the fastening bolt is fixedly connected with the connecting ring.

The special liquid bag for the container adopts a sandwich soft bag body structure, can be well attached to the inner wall of the container during use, and is characterized in that the composite bag body material has the characteristics of softness and no leakage of a polyethylene film material and high strength and scratch and rub resistance of polypropylene woven cloth, and has good sealing performance and scratch and rub resistance. The valve arranged at the material inlet and outlet can be conveniently connected with a pipeline for loading and unloading materials, so that the working efficiency is improved.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

FIG. 2 is a schematic view of a partial cross-sectional structure of a feed port.

Detailed Description

As shown in figure 1, a special liquid bag of container, including the rectangular bag body 1 and set up feed inlet 2 and discharge gate 3 in bag body 1 upper end, bag body 1 is the compound lamellar structure who is set up by two-layer PE membrane 8 and two-layer PP plaiting fabric 9 interval, by interior to exterior in proper order first PE rete, first PP plaiting fabric layer, second PE rete and second PP plaiting fabric layer. The PE film is a polyethylene film and has good flexibility and sealing performance, the first PE film layer plays a role in water isolation and leakage prevention, and the second PE film layer is positioned between the two layers of PP woven cloth 9 and plays a role in increasing lubrication and flexibility to prevent the two layers of PP woven cloth from rubbing with each other; the PP woven cloth is polypropylene woven cloth and has high tensile strength and scraping resistance; the bag body with the composite laminated structure can be simply overlapped together, and four layers of materials can be pressed into a whole in a hot-pressing fusion mode.

All install valve 4 on feed inlet 2 and the discharge gate 3, valve 4 can adopt the ball valve also can adopt the stop valve. The inlet pipe at the near end of the valve body of the valve 4 is provided with an outward-turned folded edge 5, and the folded edge 5 is in a circular ring shape. As shown in fig. 2, a connecting ring 6 matched with the folded edge 5 is arranged in the inner cavity of the bag body 1 and around the feed port 2 or the discharge port 3, and the connecting ring 6 has the same annular structure as the folded edge 5. Bolt holes are arranged at the corresponding positions of the connecting ring 6 and the folded edge 5, and fastening bolts 7 are installed in the bolt holes. When the bag is used, the connecting ring 6 is placed into the feeding hole 2 or the discharging hole 3, the edge of the feeding hole 2 or the discharging hole 3 is clamped between the connecting ring 6 and the folded edge 5, and the valve 4 can be fixed on the bag body 1 by screwing the fastening bolt 7. When loading and unloading, only a charging pipe or a discharging pipe is connected to the corresponding valve 4.

As a further improvement, the one end of the fastening bolt 7 and the connecting ring 6 are fixedly connected, and the two can be connected into a whole by welding, hot melting or interference fit. Thus, the fastening bolt 7 can be prevented from falling and losing during assembly, and during assembly, the fastening bolt 7 is inserted into the bolt hole of the folded edge 5 correspondingly, and then a nut is screwed on the fastening bolt 7 and tightened.

Claims (3)

1. The utility model provides a special liquid bag of container, includes the rectangular bag body (1) and sets up feed inlet (2) and discharge gate (3) in bag body (1) upper end, its characterized in that: the bag body (1) is of a composite layered structure formed by two PE films (8) and two PP woven fabrics (9) at intervals; all install valve (4) on feed inlet (2) and discharge gate (3), the near-end of valve (4) valve body has hem (5) that turns up, in the inner chamber of the bag body (1), encircle feed inlet (2) or discharge gate (3) and be provided with go-between (6) of matching hem (5), the corresponding position of go-between (6) and hem (5) all is provided with the bolt hole, install fastening bolt (7) in the bolt hole.

2. The special liquid bag for the container as claimed in claim 1, wherein: the valve (4) is a ball valve.

3. The liquid bag special for the container as claimed in claim 1 or 2, wherein: one end of the fastening bolt (7) is fixedly connected with the connecting ring (6).