JP7549402B2 - Fluid discharge system and discharge auxiliary device thereof - Google Patents

Description

Related applications are cross-referenced.
This patent application claims priority to a Chinese patent application filed on July 16, 2020, bearing application number 2020106852246, and entitled "Fluid Discharge System and Its Discharge Assistance Device," the entire text of which is incorporated herein by reference.

Embodiments of the present invention relate to containers, and in particular to fluid discharge systems and associated discharge assistance devices.

There are many liquid storage and transport devices currently on the market for storing, transporting, filling and discharging viscous liquids.

US5765723A Israel Patent Application No. 156984 (IL156984A) US Patent Application Publication No. 2015/284181 (US2015284181A1)

Patent document 1 (US5765723A) discloses a sealed liquid bag in which the main body is a sealed soft container made of PVC coated fabric and produced by hot melt welding or high frequency welding, and a liquid inlet valve and a liquid outlet valve are provided at both ends of the sealed soft container. This liquid liner bag is generally relatively effective when used with high flow rate, fluid liquids, but when discharging viscous liquids, the discharge of liquid is slow and inefficient.

Patent document 2 (IL156984A) discloses a sealed liquid bag in which the main body is a sealed soft container made of PVC coated cloth or PE film and produced by hot melt welding or high frequency welding, both ends of the sealed soft container are provided with a liquid inlet valve and a liquid outlet valve, the main body further includes an air bag to assist in discharge, and an air intake port is provided for filling the air bag with air. In the process of discharging the liquid, it is necessary to fill an auxiliary gas bag with air and discharge the viscous liquid by pushing it out with the gas. This is inefficient and increases costs.

Patent document 3 (US2015284181A1) discloses a sealed liquid bag in which the main body is a sealed soft container made of PVC coated cloth or PE film and produced by thermal welding or high frequency welding, and when discharging a viscous liquid, the medium-sized bulk container transporting the liquid uses a mechanical mechanism to tilt the bottom of the medium-sized bulk container so that the discharge outlet is at the lowest point. This operation is time-consuming, inefficient, and difficult to operate.

The objective of the embodiment of the present invention is to provide a fluid discharge system and a discharge auxiliary device thereof, which can keep the liner bag away from the extruder at all times after the liner bag is extruded by the extruder during the discharge of liquid, and can prevent the extruded part of the liner bag from being loose and covering the surface of the extruder, thereby avoiding the risk of the liner bag being damaged by being rewound into the extruder and affecting the discharge, and which has a simple structure, a good manufacturing process, easy operation, and can reduce costs.

In order to solve the above technical problems, an embodiment of the present invention provides:
With the base,
A telescopic device attached to the base and provided with a telescopic member;
and a connecting member connected to the telescopic member.

An embodiment of the present invention comprises:
a liner bag having a discharge port at a bottom end and a fill port at a top end;
a container for receiving the liner bag and having a discharge passageway with the discharge outlet attached thereto;
an extruder for operably clamping the liner bag and for compressing liquid within the liner bag;
The above-mentioned discharge assistance device,
The base operably supports the telescoping device and the connecting member above the container, and the connecting member of the drainage assistance device further provides a fluid drainage system operably connected to an upper end of the liner bag.

Compared with the prior art, the embodiment of the present invention comprises a base, an elastic member, and a connecting member, and the elastic member is disposed on the base, and the connecting member can be connected to the liner bag. After the liquid in the liner bag is extruded, the elastic member pulls up the connecting member, and the connecting member is driven and pulled up to move away from the extruder, so that the extruded part of the liner bag covers the surface of the extruder in a free state, and prevents the risk of being wound back into the extruder, damaging the liner bag and affecting discharge. Moreover, this structure is simple, the manufacturing process is good, the operation is easy, and it is cost-saving.

In one embodiment, the stretchable member is an elastic member.

In one embodiment, the elastic member is a coil spring or a tension spring.

In one embodiment, when the elastic member is a coil spring, the telescopic device includes a housing connected to the base, the coil spring is installed in the housing, and one end of the coil spring is connected to the housing and the other end of the coil spring passes through the housing and is connected to the connecting member.

In one embodiment, when the elastic member is a tension spring, a direction of extension and contraction of the tension spring and a direction of movement of the connecting member form a preset angle;
The extension device includes a flexible member that connects one end of the tension spring and the connection member, and the other end of the tension spring is connected to the base;
The base has a transition axis around which the flexible member detours, and a receiving member for receiving the tension spring.

In one embodiment, the receiving member is a passage provided in the base, and the extension direction of the passage coincides with the extension direction of the tension spring.

In one embodiment, the direction of extension and contraction of the tension spring is perpendicular to the direction of movement of the connecting member.

In one embodiment, the connection member includes a hanging plate having a snap point.

In one embodiment, the snap location is an open groove or a protruding member.

In one embodiment, the hanging plate comprises:
A plate body connected to the expansion device;
The device further includes a snap member connected to the plate and surrounding the plate to form a receiving area, the snap portion being provided on the snap member.

In one embodiment, the snap location is an open groove or a protruding member.

In one embodiment, when the snap location is an opening groove, the opening groove communicates with the storage area.

In one embodiment, the side of the opening groove facing the elastic member is the opening area.

In one embodiment, the connecting member further includes a hook that connects the hanging plate and the telescopic device.

In one embodiment, the base comprises:
A connecting shaft connected to the telescopic member;
A first bracket connected to the connecting shaft;
and a second bracket connected to the connection shaft and at least partially spaced apart from the first bracket to form an arrangement space, the telescopic device and the connection member being positioned within the arrangement space.

In one embodiment, the first bracket is hinged to the connection shaft, the second bracket is hinged to the connection shaft, and the first bracket and the second bracket rotate relative to each other.

In one embodiment, a first fixing member is provided on the side of the first bracket away from the connection axis, and a second fixing member is provided on the side of the second bracket away from the connection axis.

In one embodiment, the first fixing member is a locking groove member and/or the second fixing member is a locking groove member.

One or more embodiments are illustratively described by corresponding figures in the drawings, and these illustrative descriptions do not constitute limitations of the embodiments, and elements having the same reference numerals in the drawings are represented as similar elements, and the figures in the drawings do not constitute proportional limitations unless otherwise specified.

FIG. 1 is a perspective view of a discharge assist device according to an embodiment of the present invention. FIG. 2 is a side view of the ejection assist device according to one embodiment of the present invention. FIG. 3 is a schematic diagram showing the configuration of a hanging plate in one embodiment of the present invention. FIG. 4 is a schematic diagram showing the configuration of a discharge assist device according to another embodiment of the present invention. FIG. 5 is a perspective view of a fluid ejection system in accordance with one embodiment of the present invention. FIG. 6 is a side view of a fluid ejection system beginning to eject a liner bag in one embodiment of the present invention. FIG. 7 is an enlarged view of a portion A in FIG. FIG. 8 is a schematic diagram showing the configuration of a filling port of a liner bag in one embodiment of the present invention. FIG. 9 is a side view of the fluid evacuation system after a portion of the liquid within the liner bag has been expelled in one embodiment of the present invention.

Here, 1, base; 11, first bracket; 12, second bracket; 13, connection shaft; 10, arrangement space; 110, first fixing member; 120, second fixing member; 8, passage; 20, extension device; 2, extension member; 22, transition shaft; 23, long rope; 3, connection member; 31, plate body; 32, snap member; 321, first side plate; 322, second side plate; 323, main plate; 320, opening groove; 30, storage area; 310, hanging hole; 33, hook; 4, hanging ring; 5, liner bag; 51, filling port; 511, flange; 512, joint port, 5120, positioning step surface; 6, container; 61, discharge passage; 7, extruder; 71, roll shaft; 72, roll shaft.

In order to make the objectives, technical proposals and advantages of the embodiments of the present invention clearer, the following describes each embodiment of the present invention in detail in conjunction with the accompanying drawings. However, those skilled in the art can understand that many technical details are presented in each embodiment of the present invention to allow the reader to better understand the present application. However, the technical solution claimed for protection in this application can be realized without these technical details and various changes and modifications based on the following embodiments.

In the following description, for the purpose of explaining each disclosed embodiment, certain specific details are set forth in order to provide a thorough understanding of each disclosed embodiment. However, one skilled in the art should recognize that an embodiment may be practiced without one or more of these specific details. In other instances, well-known devices, structures, and techniques related to the present application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Unless the context otherwise requires, throughout the specification and claims, the word "comprises" and variations thereof, such as "including" and "having," are to be understood in an open and inclusive sense, i.e., to mean "including, but not limited to."

In order to better understand the objectives, features and advantages of the present invention, the following detailed description will be given of the embodiments of the present invention in conjunction with the drawings. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but merely to describe the essential spirit of the technical solution of the present invention.

References throughout the specification to "one embodiment" or "one embodiment" mean that a particular feature, structure, or characteristic described in the embodiment is included in at least one embodiment. Thus, the appearances of "in one embodiment" or "in one embodiment" in various places throughout the specification are not necessarily all referring to the same embodiment. Also, the particular features, structures, or characteristics may be combined in any manner in one or more embodiments.

As used in this specification and the appended claims, the singular forms "a," "an," and "said" include plural referents unless the context clearly dictates otherwise. The term "or" is generally used in its sense to include "and/or" unless the context clearly dictates otherwise.

In the following description, many directional terms are used to clearly indicate the configuration and operation of the present invention, but terms such as "front," "rear," "left," "right," "outside," "inside," "outward facing," "inward facing," "up," and "down" should be understood as terms of convenience rather than limitations.

Explanation of terms Medium-sized bulk container: Intermediate-sized bulk container (hereinafter referred to as IBC container) is a packaging turnaround container that is widely used in food, biochemistry, medicine, chemical industry and other industries in the international scope. IBC container barrel can be reused many times, which has obvious advantages in filling, storage and transportation. Compared with circular barrel, IBC container barrel can save 35% storage space, and the size meets ISO standard. Not only is it suitable for aseptic filling, but the box is compact and convenient for safe and efficient storage in large quantities, so it can be applied to the transportation, packaging and storage process of liquid, granules, flakes and other materials in large quantities. Currently, there are three existing standards: 820L, 1000L, and 1250L. In general, the structure includes a plastic inner container (liner bag), a container, and an extruder. The liner bag has a filling port at its top end and a discharge port at its bottom end. The discharge port is connected to a discharge passage in the container, and the extruder presses the liner bag to discharge the liquid in the liner bag from the discharge port.

The following describes an embodiment of the present invention with reference to the drawings. As shown in Figs. 1 and 2, the embodiment of the present invention relates to a discharge assistance device including a base 1, an extension device 20, and a connection member 3. The extension device 20 is provided on the base 1, and an extension member 2 is provided on the base 1. The connection member 3 is connected to the extension member 2 and is pulled up by the extension member 2. The base 1 may be placed on the top end of the container 6 as shown in Fig. 5, or may be placed on the ground, and the extension member 2 and the connection member 3 that connects to the top end of the liner bag 5 are positioned above the container 6.

From the above, it can be seen that the device comprises a base 1, an extension device 20, and a connecting member 3, and by disposing the extension device 20 on the base 1, the connecting member 3 can be connected to the liner bag 5, and after the liquid in the liner bag 5 is pushed out, the extension member 2 pulls up the connecting member 3, and the connecting member 3 is driven and pulled up, moving it away from the extruder 7, so that the pushed-out part of the liner bag 5 covers the surface of the extruder 7 in a free state, preventing the risk of the liner bag 5 being damaged by being rewound back into the extruder 7 and affecting discharge. Moreover, this structure is simple, has a good manufacturing process, is easy to operate, and can save costs.

Furthermore, as shown in Figs. 1, 2 and 5, the base 1 includes a connection shaft 13, and a first bracket 11 and a second bracket 12 that are installed above the container 6. The connection shaft 13 is connected to the telescopic device 20, the first bracket 11 is connected to the connection shaft 13, and the second bracket 12 is connected to the connection shaft 13. The second bracket 12 and the first bracket 11 are at least partially separated from each other to form an arrangement space 10, and the telescopic device 20 and the connection member 3 are located within the arrangement space 10. It should be understood that the first bracket 11 and the second bracket 12 may be placed on the ground.

As shown in Figs. 1 and 2, the first bracket 11 is hinged to the connecting shaft 13, the second bracket 12 is hinged to the connecting shaft 13, and the first bracket 11 and the second bracket 12 rotate relative to each other. This allows the angle between the first bracket 11 and the second bracket 12 to be adjusted, and the base 1 can be applied to different types of containers 6.

Furthermore, as shown in Figs. 1 and 2, a first fixing member 110 is provided on the side farther away from the connection axis 13 of the first bracket 11, and a second fixing member 120 is provided on the side farther away from the connection axis 13 of the second bracket 12. The first fixing member 110 is connected to a first side edge of the container 6, and the second fixing member 120 is connected to a second side edge of the container 6, thereby positioning the first bracket 11 and the second bracket 12.

Preferably, as shown in Figs. 1 and 2, the first fixing member 110 is a locking groove member and the second fixing member 120 is a locking groove member. The first fixing member 110 locks the first side edge and the second fixing member 120 locks the second side edge. It is understood that the first fixing member 110 may be installed as a locking member such as a clip or a screw, and the first fixing member 110 may be installed as a locking member such as a clip or a screw.

It is understood that the base 1 may be a rectangular column frame as shown in FIG. 4, a cylindrical frame, etc., and will not be described in detail here.

Furthermore, as shown in Figures 2 and 4, the elastic member 2 is an elastic member.

As shown in Figs. 1 and 2, preferably, the elastic member is a coil spring, and the telescopic device 20 includes a housing connected to the base 1, the coil spring is disposed within the housing, and one end of the coil spring is connected to the housing and the other end of the coil spring passes through the housing and is connected to the connecting member 3. The housing is connected to the connecting member 3 by a tension rope.

In another embodiment, as shown in FIG. 4, the expansion member 2 is a tension spring, the base is a rectangular base, a passage 8 extending horizontally is formed on the upper part of the base 1, and the tension spring is arranged horizontally in the passage 8. The expansion device 20 includes a flexible member 23 that connects one end of the tension spring to the connection member 3, and the flexible member 23 may be a long rope or a chain. The other end of the tension spring may be directly connected to the base 1, or may be connected to the base 1 via a member such as a long rope or a chain. The base 1 has a transitional axis 22 for bypassing the flexible member 23, and the flexible member 23 is connected to the connection member 3 by bypassing the transitional axis 22. The liquid in the liner bag 5 is pushed out, the part of the liner bag 5 from which the liquid has been pushed out becomes lighter, the tension spring pulls the flexible member 23, and the flexible member 23 moves along the transitional axis 22 to pull up the part of the liner bag 5 from which the liquid has been pushed out, and the liner bag 5 is pulled up while the liquid is being pushed out. In the above configuration, the direction of extension of the tension spring is perpendicular to the direction of movement of the connection member 3, but it is understood that the direction of extension of the tension spring may form more angles with the connection member 3, such as 30°, 40°, or 60°, and is not specifically limited here. The passage angle in the corresponding base 1 changes accordingly. A component such as a support on which the tension spring is placed may be placed on the base.

The expandable member may also be a structure combining other mechanical parts.

Furthermore, as shown in Figures 1 and 2, a hanging ring 4 is provided on the connection shaft 13 of the base 1, and a hook that hooks onto the hanging ring 4 is provided on the extension device 203.

As shown in Figures 1, 2 and 3, the connection member 3 has a hanging plate, and a snap point is provided on the hanging plate, to which the upper end of the liner bag 5 is attached. When the liquid in the liner bag 5 is gradually pushed out, the winding force of the coil spring pulls the hanging plate upward, and the hanging plate pulls up the portion of the liner bag 5 from which the liquid has been pushed out.

3, the snap location is an opening groove 320. Specifically, the hanging plate includes a plate body 31 connected to the telescopic member 2 and a snap member 32 connected to the plate body 31, and the plate body 31 and the snap member 32 may be integrally molded, connected by a bolt, or welded. The snap member 32 has a first side plate 321, a second side plate 322 arranged opposite the first side plate 321, and a main plate 323 connecting the first side plate 321 and the second side plate 322, and both the first side plate 321 and the second side plate 322 are connected to the plate body 31, the main plate 323 is spaced from the plate body 31, and the snap member 32 and the plate body 31 surround each other to form the storage area 30. The snap member 32 is provided with an opening groove 320 communicating with the storage area 30, and the side of the opening groove 320 facing the telescopic member 2 is an opening area. In one embodiment, as shown in Figures 5, 6, 7 and 9, a drain port is provided at the bottom end of the liner bag 5, and a filling port 51 is provided at the top end of the liner bag 5, through which liquid can be injected into the liner bag 5, and the liquid is discharged from the drain port during use. As shown in Figures 7, 8 and 9, the filling port 51 has a flange 511 and a joint port 512 connected to the flange 511, the diameter of the joint port 512 is smaller than the diameter of the flange 511, and a positioning step surface 5120 is provided around the joint port 512. During installation, the joint port 512 slides down into the opening groove 320 along the opening area of the opening groove 320, the joint port 512 is located in the storage area 30, the side of the flange 511 facing the joint port 512 abuts the main plate 323, and the side wall of the opening groove 320 is engaged with the positioning step surface 5120, so that the liner bag 5 is connected to the hanging plate, and when the hanging plate is pulled up by the elastic member 2, the extruded liquid part of the liner bag 5 can be pulled up by the hanging plate and rise together. This structure is simple, easy to install, and low cost.

It is understood that the snap point may be a protruding member such as a hook or tight snap ring provided on the hanging plate, and the hook can be hooked onto the upper end of the liner bag 5, and the tight snap ring can engage with the joint opening 512. The hanging plate may be a flat plate or other structure. Also, as shown in Figures 1, 2, and 3, the plate body 31 is provided with a hanging hole 310 for hanging the expansion member 2, and the expansion device 20 may be directly hooked to the hanging hole 310 with a hook, or the hanging hole 310 may be connected with a rope so that the hanging plate rises in a balanced manner.

Furthermore, as shown in FIG. 1, the connection member 3 includes a hanging plate and a hook 33 that is hooked onto the hanging plate and connected to the extension device 2020.

The connecting member 3 may also be a clip, rope, hook, or other member, and secures the upper end of the liner bag 5.

In another embodiment, the telescopic member 2 may be a mechanical combination structure such as a handle wheel, a reel, and a tension rope, the handle wheel being connected to the reel, and the tension rope connecting the reel and the connecting member 3. When it is necessary to pull up the part of the liner bag 5 from which the liquid has been pushed out, the handle wheel is swung to rotate the reel to wind up the tension rope, at which time the connecting member 3 is pulled up, and the part of the liner bag 5 from which the liquid has been pushed out is also pulled up. The telescopic member 2 may also include a tension rope, an adapter ring, and a weighted metal block, the adapter ring is attached to the top of the base 1, the tension rope bypasses the adapter ring, one end is connected to the connecting member 3, and the other end is connected to the weighted metal block, and in the process of the liquid in the liner bag 5 being gradually pushed out, the weighted metal block gradually descends to pull the tension rope, the tension rope raises the connecting member 3, and the part of the liner bag 5 from which the liquid has been pushed out is also pulled up.

The present invention also provides a fluid discharge system including a liner bag 5, a container 6, an extruder 7, and a discharge auxiliary device, as shown in Figs. 5 to 9. The liner bag 5 is disposed in the container 6, the container 6 has a discharge passage 61 to which the discharge port of the liner bag 5 is attached, and the extruder 7 clamps the liner bag 5 to extrude the liquid in the liner bag 5. The base of the discharge auxiliary device is installed on the container 6, and the base 1 supports the expansion device 20 and the connection member 3 above the container 6, and the connection member 3 of the discharge auxiliary device is connected to the upper end of the liner bag 5. When the extruder 7 extrudes the liquid in the liner bag 5, the liquid in the liner bag 5 is discharged from the discharge passage 61 through the discharge port, and the discharge auxiliary device pulls up the portion of the liner bag 5 from which the liquid has been extruded, moving the portion of the liner bag 5 from which the liquid has been extruded away from the extruder 7. The extruder 7 includes a roll shaft 71 and a roll shaft 72. When it is necessary to discharge the liquid in the liner bag 5, the roll shaft 71 and the roll shaft 72 are sandwiched between the liner bag 5, and the pair of extruders are driven by the driving device to perform relative motion, such as the roll shaft 71 and the roll shaft 72 rotating in a counter-rotating manner relative to each other, to apply a pushing force to the liner bag 5, thereby pushing out and discharging the liquid in the liner bag 5. As the liquid in the liner bag 5 decreases during liquid discharge, the two roll shafts automatically lower the liquid level due to the driving of the driving device, and the liquid is extruded. The specific configuration of the extruder 7 can be referred to the extruder 7 in the patent application documents of application number 2019102132760, and will not be described in detail here.

Although preferred embodiments of the present invention have been described in detail above, it should be understood that aspects of the embodiments can be modified, if necessary, to provide additional embodiments using aspects, features, and concepts of various patents, applications, and publications.

These and other changes can be made to the embodiments in light of the above detailed description. In general, in the claims, the terms used should not be considered limited to the specific embodiments disclosed in the description and claims, but should be understood to include all possible embodiments along with any equivalent scope to which these claims are entitled.

Those skilled in the art will understand that the above-described embodiments are specific examples for implementing the present invention, and that in actual applications, various changes in form and details are possible without departing from the spirit and scope of the present invention.

Claims (18)

a liner bag having a discharge port at a bottom end and a fill port at a top end;
a container for receiving the liner bag and having a discharge passageway with the discharge outlet attached thereto;
an extruder for operably clamping the liner bag and for compressing liquid within the liner bag;
A discharge assist device,
The discharge assistance device is
With the base,
A telescopic device attached to the base and provided with a telescopic member;
a connecting member connected to the elastic member ,
A fluid discharge system, characterized in that the base operably supports the telescopic device and the connecting member above the container, and the connecting member of the discharge assistance device is operably connected to the upper end of the liner bag . 2. The fluid ejection system of claim 1, wherein the expandable member is an elastic member. 3. The fluid discharge system according to claim 2, wherein the elastic member is a coil spring or a tension spring. 4. The fluid discharge system according to claim 3, wherein when the elastic member is a coil spring, the expansion device includes a housing connected to the base, a body of the coil spring is installed in the housing, one end of the coil spring is connected to the housing, and the other end of the coil spring passes through the housing and is connected to the connecting member. When the elastic member is a tension spring, a direction of extension and contraction of the tension spring and a direction of movement of the connecting member form a preset angle,
The extension device includes a flexible member that connects one end of the tension spring and the connection member, and the other end of the tension spring is connected to the base;
3. The fluid discharge system according to claim 2, wherein the base has a transition axis around which the flexible member detours, and a receiving member for receiving the tension spring. 6. The fluid discharge system according to claim 5, wherein the receiving member is a passage provided in the base, and an extending direction of the passage coincides with a direction in which the tension spring expands and contracts. 6. The fluid discharge system according to claim 5, wherein the direction of expansion and contraction of the tension spring is perpendicular to the direction of movement of the connecting member. The fluid ejection system of claim 1 , wherein the connecting member includes a hanger plate having snap points. The fluid ejection system of claim 8 , wherein the snap point is an open groove or a protruding member. The hanging plate is
A plate body connected to the expansion device;
The fluid ejection system according to claim 8 , further comprising a snap member connected to the plate and surrounding the plate to form a receiving area, the snap point being provided on the snap member. The fluid ejection system of claim 10, wherein the snap point is an open groove or a protruding member. The fluid ejection system of claim 11, wherein when the snap location is an open groove, the open groove communicates with the receiving area. The fluid discharge system according to claim 11, wherein the side of the open groove facing the elastic member is an open area. The fluid discharge system according to any one of claims 8 to 13, wherein the connecting member further includes a hook that connects the hanging plate and the telescopic device. The base is
A connecting shaft connected to the telescopic member;
A first bracket connected to the connecting shaft;
The fluid discharge system according to claim 1, further comprising: a second bracket connected to the connection shaft and at least partially spaced apart from the first bracket to form an arrangement space, the telescopic device and the connection member being located within the arrangement space. 16. The fluid discharge system of claim 15, wherein the first bracket is hinged to the connecting shaft, the second bracket is hinged to the connecting shaft, and the first bracket and the second bracket rotate relative to each other. 16. The fluid ejection system of claim 15, wherein a first fixing member is provided on a side of the first bracket away from the connection axis, and a second fixing member is provided on a side of the second bracket away from the connection axis. 18. The fluid ejection system of claim 17, wherein the first fixed member is a locking groove member and/or the second fixed member is a locking groove member.