KR200420177Y1 - Valve Assembly for Liquid Filling - Google Patents

Abstract

The liquid valve assembly of the present invention includes an outer cylinder 110 fixedly installed through a lower surface of the storage tank 100; A moving body 70 condensed and installed in close contact with the inner cylinder and extending upward and downward of the outer cylinder to move when the external pressure is applied, and to maintain airtightness between the storage tank and the liquid part; A spring 90 installed on an outer periphery of the storage tank and applying elastic restoration force at the same time as the moving body; The liquid flow path is formed in a closed path from the opening through the opening 123 formed on one side of the movable body by the liquid portion of the storage tank and the moving shank of the movable body to the liquid container below the movable body. 120; It is fixedly installed inside the moving body so as to penetrate the moving body up and down, the upper end is in communication with the vacuum portion of the storage tank and the lower end of the gas flow formed in a closed path to the liquid container in the overlapping state outside the liquid flow path Furnace 130; A pressure valve (150) installed to be flowable inside the gas flow passage and selectively opening and closing the gas flow passage in accordance with an external pressure applied to the moving body; It includes a container seating means 180 to apply an upward pressure to the liquid container in the filling process to be in close contact with the moving body to maintain the airtight between the liquid container and the outside.

Liquid, filling, vessel, level, valve

Description

A Valve Assembley For Filling liquor}

1 and a cross-sectional view illustrating a state before the filling operation is started using the conventional liquid filling valve assembly.

Figure 2 is a cross-sectional view illustrating a state in which the filling operation proceeds using the conventional valve assembly for liquid filling.

3 is a cross-sectional view illustrating a configuration of a valve assembly for filling liquid according to an embodiment of the present invention.

Figure 4 is a cross-sectional view illustrating a state of charge start using the valve assembly for liquid filling of the embodiment of the present invention.

5 is a cross-sectional view illustrating a state in which filling is in progress using the valve assembly for liquid filling according to an embodiment of the present invention.

6 is a cross-sectional view illustrating a state in which filling is completed using the valve assembly for liquid filling according to an embodiment of the present invention.

Figure 7 is a perspective view illustrating the lower end of the gas flow path and the liquid flow path of the embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

50 ........ Liquid valve assembly 60 ........ Liquid container

70 ............ Moving Body 71 ........ Top Cylinder

81 ........ lower cylinder 90 ........ spring

95 ........ Bottom cover 100 ....... Storage tank

103 ....... Vacuum section 110 ....... External cylinder

111 ....... Flange 120 ....... Liquid flow path

123 ....... opening 125 ....... liquid filling pipe

130 ....... Gas flow path 131 ....... Upper flow path

133 ....... lower flow path 135 ....... valve chamber

150 ....... Pressure valve

180 ....... Carrier means 181 ....... Cup seat

183 ....... Centering Cup Assembly 185 ....... Centering Guide Means

The present invention relates to a valve assembly for liquid filling, and more specifically, it is possible to precisely control the water level even when filling a small amount of container by changing the structure of the liquid flow passage and the gas flow passage and the valve structure, and the liquid outflow The valve assembly for liquid filling is possible.

1 and 2 are cross-sectional views illustrating a conventional valve assembly for vacuum liquid filling.

In the conventional valve assembly 10 for vacuum liquid filling shown in FIG. 1, a filling valve 12 is installed at a lower surface 11a of a storage tank 11, and an upper side of the valve assembly 10 penetrates the filling valve 12. The gas pipe 15 which is in communication with the vacuum part 11a of 11 and extended below the filling valve 12 is installed. In addition, an operation lever 13 for selectively adjusting the filling pressure to have a uniform pressure with the inside of the liquid container 20 in close contact with the filling valve 12 by selectively opening the gas pipe 15 at the upper end of the gas pipe 15. Is provided.

In addition, a spring cage 14 surrounding the outer circumference of the gas pipe 15 is installed on the upper side of the filling valve 12, and a spring 16 is installed on the outer circumference of the spring cage 14 so that the filling valve 12 is elastic to the filling valve 12. Apply resilience.

In the conventional valve assembly 10 for liquid filling, the centering cup assembly 17 picks up the liquid container 20 under the filling valve 12 and adheres to the lower surface of the filling valve 12 so that the airtightness of the liquid container 20 is maintained. To be maintained.

Looking at the filling process of FIG. 2, when the liquid container 20 is picked up from the centering cup assembly 17 and closely adhered to the packing at the bottom of the filling valve 12, the filling valve 12 is opened at an upward pressure. When the operation lever 13 is operated, the upper end of the gas pipe 15 is opened so that the air in the liquid container 20 flows into the storage tank 11 so that the pressure in the storage tank 11 and the liquid container 20 is uniform. Is adjusted.

Since the liquid container 20 is maintained at a low pressure state, liquid filling is started, and the air inside the liquid container 20 is discharged upward through the gas pipe 15 through the filling process of the liquid 11b. When the water level of the liquid container 20 reaches the lower surface of the gas pipe 15, the filling is terminated, the operation lever 13 is operated to close the gas pipe 15, and the centering cup assembly 17 is separated and filled. Is complete.

At this time, the bottom of the gas pipe 15 is over-filled with the liquid (11b) is sucked by the suction force of the vacuum applied to the gas pipe 15 during the separation process of the centering cup assembly 17 is made of water level control.

However, the conventional liquid assembly valve assembly having the above configuration has the following problems.

In the conventional valve assembly 10, the entire configuration except for the centering cup assembly 17 is provided inside the storage tank 11, when the type or capacity of the liquid container 20 is changed, the entire component is replaced and the storage tank ( There is a problem of time and cost because it is necessary to work with all the liquid 11b of 11) removed, and there is a limit to the fine adjustment of the water level according to the container and the total filling capacity because the means for adjusting the water level is inside the storage tank. .

In addition, since the liquid flow path 18 of the conventional valve assembly 10 is provided on the outside of the gas pipe 15, a small amount of liquid flows from the liquid flow path 18 to the liquid container 20 after completion of filling. Lowering may cause fluctuations in capacity and outflow.

If the liquid 11b flowing out is a drug or the like, cleaning may not be possible due to hygiene or safety problems. Therefore, the liquid component is pressed against the filling system, which interferes with or causes the operation of the mechanical device. This decay may cause contamination of the filling liquid.

An object of the present invention is to implement a valve assembly for liquid filling so that the level control can be accurately performed even when filling a small amount of liquid.

Another object of the present invention is to provide a liquid valve assembly for preventing liquid remaining in the liquid flow path after the liquid filling process is finished, falling into the liquid container to change its capacity or contaminating the filling environment by falling to the outer bottom. Is to implement

Valve assembly for liquid filling according to the present invention for achieving the above object, the outer cylinder is fixed through the storage tank bottom; A moving body condensed and installed in close contact with the inner cylinder and extending upward and downward of the outer cylinder to move when the external pressure is applied, and to maintain airtightness between the storage tank liquid portion and the outside; A spring installed on an outer circumference of the storage tank and configured to apply an elastic restoration force at the same time as the movable body; A liquid flow path that is in selective communication with a liquid portion of the storage tank and a movable portion of the movable body through an opening formed at one side of the upper end of the movable body, and is formed as a sealed path from the opening to a liquid container below the movable body; It is fixedly installed inside the moving body so as to penetrate the moving body up and down, the upper end is in communication with the vacuum portion of the storage tank and the lower end of the gas flow formed in a closed path to the liquid container in the overlapping state outside the liquid flow path Rowa; A pressure valve installed to be flowable inside the gas flow path and selectively opening and closing the gas flow path according to an external pressure applied to the moving body; It is characterized in that it comprises a container seating means for applying an upward pressure to the liquid container in the filling process to be in close contact with the movable body to maintain the airtight between the liquid container and the outside.

The container seating means includes: a centering cup assembly for moving the upper part by covering the inlet part of the liquid container when the liquid container provided from the container supply part is located below the liquid flow path; It is installed to surround the gas flow path below the moving body, the lower surface is characterized in that it is configured to maintain the airtight in the filling process including a cup seating portion that the upper surface of the centering cup assembly is in close contact.

A through-hole is formed in the center of the pressure valve to form a part of the liquid flow path, the outer surface of the pressure valve is installed to be flowable on the gas flow path is a deviation in the inner diameter according to the pressure applied to the moving body Relative flow in the gas flow path is characterized in that the gas flow path to selectively open and close.

A liquid supply pipe is installed at the lower end of the pressure valve as a liquid flow path from the through-hole to the liquid container, and is integrated with Shanghai at the same time for selective opening and closing of the gas flow path of the pressure valve.

 The lower end of the liquid flow path is characterized in that it is installed upward by a fine length than the lower end of the gas flow path.

The present invention makes it possible to finely control the amount even when filling a small amount of liquid by the configuration as described above, it is possible to prevent the external leakage of the liquid to enable the hygienic maintenance of the filling environment.

Hereinafter, the configuration of a preferred embodiment of a valve assembly for liquid filling according to the present invention having the configuration as described above will be described in detail with reference to the accompanying drawings.

3 is a cross-sectional view illustrating the configuration of the valve assembly for liquid filling according to the present embodiment, FIG. 4 is a cross-sectional view illustrating a state in which filling is started using the valve assembly for filling liquid according to the present embodiment, and FIGS. 5 and 6 FIG. 7 is a cross-sectional view illustrating a state in which a filling is in progress and a state in which filling is completed, and FIG. 7 is a perspective view illustrating lower ends of a gas flow path and a liquid flow path.

The liquid valve assembly 50 according to the present embodiment includes an outer cylinder 110 fixedly installed through the lower surface 101 of the storage tank 100, and a moving body condensed and installed inside the outer cylinder 110. 70, the spring 90 is installed on the outer periphery of the movable body 70, the liquid flow path 120 is a sealed path through which the liquid is injected through the inside of the movable body 70 and the vacuum of the storage tank 100 A gas flow path 130 which is an enclosed path leading to the portion 103 and the liquid container 60, a pressure valve 150 for selectively opening and closing the gas flow path 130, and a liquid container under the moving body 70. It comprises a container seating means 180 for seating 60.

The outer cylinder 110 of the present embodiment is installed so as to pass through the hole formed in the lower surface 101 of the storage tank, the flange (111) formed on the outer circumferential surface over the storage tank lower surface 101 in the flange block (113) 111) It is fixed to the storage tank 100 by fastening the bolt 115 over the cover.

Moving body 70 of the present embodiment is the upper cylinder 71 is inserted downward from the top of the outer cylinder 110 and the lower cylinder 81 and the lower cover is fastened below the lower cylinder 110 is inserted upward from the lower side of the outer cylinder 110 It is configured to include. The upper and lower cylinders 71 and 81 of the present embodiment are installed to be movable in cooperation with each other inside the outer cylinder 110, respectively.

Airtightness is maintained between the inner cylinder surface of the outer cylinder 110 and the outer circumferential surface of each of the moving parts 70 of the present embodiment, so that the liquid can be prevented from leaking. On the other hand, the movable body 70 of the present embodiment, the upper cylinder 71 is closed on the upper cylinder 71 so that the airtightness can be maintained even between the liquid portion 105 of the storage tank 100 and the upper cylinder (not to be separated from the outer cylinder 110) 71. The upper end portion has a larger outer diameter than the outer cylinder 110.

The lower cylinder 81 of the present embodiment has an inner diameter wider at the lower end thereof, and a lower cover 95 is fastened downward to form a valve chamber 135. The outer circumferential surface corresponding to this portion also protrudes in the radial direction.

Spring 90 of the present embodiment is installed on the outer periphery of the lower cylinder 81, the upper end of the spring 81 is in contact with the lower surface of the flange 111 of the outer cylinder 110, the lower end of the spring 90 lower cylinder ( 81) over the radially projecting portion.

The liquid flow path 120 of the present embodiment extends below the lower cylinder 81 from the opening 123 formed on one side of the upper cylinder 71 and is formed as a closed path leading to the liquid container 60.

The upper half of the liquid flow path 120 of the present embodiment is united with the upper cylinder 71 and moved up and down, and when an upward pressure is applied below the moving body 70, the opening 123 is opened by moving upward, and the pressure is increased. When this is removed, the opening 123 is closed by moving downward by the elastic restoring force of the spring 90.

 Therefore, when the liquid container 60 is in close contact with the movable body 70 and the upward pressure is applied for the liquid filling, the opening 123 communicates with the liquid portion 105 of the storage tank 100, so that the storage tank 100 ) Is introduced through the opening 123 and injected into the liquid container 60 below.

When the filling is completed, since the liquid container 60 is separated from the moving body 70, the upward pressure is removed and the opening 123 moves downward to be closed by the inner cylinder surface of the outer cylinder 110.

Gas flow path 130 of the present embodiment is the upper flow path 131 is formed by connecting the inner portion of the moving body 70 in the vacuum portion 103 of the upper half of the storage tank 100, and the liquid container ( It consists of a lower flow path 133 which is a part leading to 60). The gas flow path 130 of the present embodiment is formed in a form surrounding the liquid flow path 120 on the outside of the liquid flow path 120 as a whole.

The portion corresponding to the boundary between the upper flow path 131 and the lower flow path 133 is a portion in which the inner diameter of the lower end of the lower cylinder 81 is widened, and the lower cover 95 is coupled thereto to form the valve chamber 135. Part. The pressure valve 150 is installed in the valve chamber 135 so as to be able to flow to selectively close or open the upper flow path in accordance with the pressure change applied to the moving body 70.

 The pressure valve 150 of the present embodiment has a through-hole 151 is formed in the center to form a part of the liquid flow path 120 and the portion of the through hole 151 is extended upward and inserted into the liquid flow path 120 It is possible to move fine distance while maintaining confidentiality. The outer surface of the pressure valve 150 is installed to be placed on the gas flow path and flows relative to the gas flow path 130 in the valve chamber 135 having a deviation in the vertical diameter according to the pressure applied to the moving body 70. It is configured to open and close selection.

That is, when the movable body 70 moves upward, the pressure valve 150 is opened by the pressure difference, and when the movable body 70 moves downward, the pressure valve 150 moves upward by the suction force of the vacuum. The lower surface of the upper flow path 131 is closed.

If the moving body 70 continues to move upward while the pressure valve 150 is opened, the opening 123 communicates with the storage tank liquid portion 105, so that the liquid in the storage tank 100 through the liquid flow path 120 is opened. Will be moved. As the liquid is filled in the liquid container 60, the air inside the liquid container 60 moves to the vacuum portion 103 of the storage tank 100 through the gas flow path 130.

At the bottom of the pressure valve 150 of the present embodiment, the liquid supply pipe 125 is mounted as a liquid flow path from the through hole 151 to the liquid container 60 so that the pressure valve 150 is integrated at the same time. Will move.

In addition, the lower flow path 133 of the gas flow path 130 is formed of a gas pipe overlapping the outer circumference of the liquid supply pipe 125 and extends downward from the gas flow path 130 at the bottom of the lower cylinder 81. .

In addition, the lower end of the liquid flow path 120 with respect to the gas flow path 130 of the present embodiment is raised by a fine length, so that the liquid flowing out from the bottom of the liquid flow path 120 in the state of completion of the filling is vacuum It is a configuration that can be sucked into the gas flow path 133 on the outside by the suction force.

The container seating means 180 of the present embodiment, when the liquid container 60 provided from the container supply unit is located below the liquid flow path 120, the liquid container 60 covers the inlet portion to move the upper portion The centering cup assembly 181, and the cup seating portion 183, the upper surface of the centering cup assembly 181 is in close contact with.

The centering cup assembly 181 of the present embodiment includes a cylindrical centering cup 184 provided with an inner circumference of the cam, which is a moving path of the liquid container 60, and a centering guide means 185 for moving the centering cup 184. do. In addition, the cup seating unit 183 is formed to surround the outer periphery of the gas flow path 130, and the upper surface of the centering cup 184 is in close contact with the lower surface so that the louver chamber is installed together to maintain the airtightness of the container 60. It is desirable to be.

The following describes the operation of the preferred embodiment of the valve assembly for liquid filling according to the present invention having the configuration as described above.

When the liquid container 60 is placed below the liquid flow path 120 through the container supply part, when the centering cup assembly 181 moves downward to cover the inlet portion of the liquid container 60, the cam of the bottom surface of the centering cup 184 is moved. The liquid container 60 inlet is moved relative to the centering cup 184 along.

As the centering cup assembly 181 is moved upward by the centering guide means 185 and seated on the cup seating unit 183, the airtight state of the inside of the liquid container 60 and the gas / liquid flow paths 130 and 120 is maintained. do. In response to the elastic restoring force of the spring 90, when the centering guide means applies upward pressure to move the cup seating portion 183 upward, the movable body 70, ie, the lower cylinder and the upper cylinder 71 and 81, is addressed thereto. Moves upward in conjunction with each other.

In FIG. 4, the suction force of the vacuum applied to the upper portion of the gas flow path 130 is released by the upward movement of the lower cylinder 81, and the pressure valve 150 relatively moves downward to open the gas flow path 130. Since the high pressure air in the liquid container 60 is absorbed into the storage tank 100, the pressure in the storage tank vacuum part 103 and the liquid container 60 becomes uniform.

In FIG. 5, since the upper cylinder 71 upper end opening 123 is exposed to the storage tank liquid portion 105 by the continuous upward movement of the lower cylinder 81 and the upper cylinder 71, the liquid is opened through the opening 123. Filled into the flow path 120 is started to fill the liquid container (60).

At this time, the air in the liquid container 60 is absorbed into the vacuum portion 103 of the storage tank 100 through the gas flow path 120, so that the pressure in the liquid container is kept uniform throughout the entire process of filling.

When the filling of the liquid container 60 proceeds to the gas flow path 120 and the liquid closes the lower surface of the gas flow path 120, the head pressure A and the headspace pressure in the bottle are the same, and the liquid flow is It stops and liquid filling is complete | finished.

In FIG. 6, when the filling of the liquid container 60 is completed, the upper and lower cylinders 71 and 81 are lowered to close the opening 123, thereby closing the liquid flow path 120. As soon as the centering cup assembly 181 is separated from the cup seat 183, the vacuum state of the liquid container 60 is released.

At this time, the lower fluid flow path 133 is filled with the liquid is sucked by the suction force of the vacuum applied to the lower flow path is moved to the storage tank 100 is made of water level control and the pressure valve 150 is the upper flow path Close 131.

By the above process, the lower surface of the gas pipe, which is the lower flow path 133, is adjusted to the level of filling of the liquid, and the residual liquid in the liquid filling pipe 125 is sucked back by the suction force of the vacuum of the gas pipe while remaining. It is possible to prevent the liquid from falling into the bottom or inside the liquid container 60.

The scope of the present invention is not limited to the above embodiment, but is determined by the matters described in the utility model registration claims, and it is obvious that it includes various modifications and adaptations made by those skilled in the art in the claims and equivalents.

The present invention makes it possible to finely control the amount even when filling a small amount of liquid by the configuration as described above, it is possible to prevent the external leakage of the liquid to enable the hygienic maintenance of the filling environment.

Since it is installed outside the storage tank of most configurations, it is possible to fill containers with different filling capacities by changing the type and length of the liquid filling pipe or the gas pipe.

In addition, depending on the shape and specification of the inlet of the liquid container, it is possible to replace only some parts such as the cup seating part and the centering cup assembly.

According to the present invention, the filling of containers of different specifications, capacities, and shapes can be performed by changing and replacing some parts, and it is possible to use the production facilities of other parts as they are by replacing only parts of consumable parts. This significantly reduces the cost of maintenance of the production facility.

Claims (5)

An outer cylinder fixedly installed through the lower surface of the storage tank; A moving body condensed and installed in close contact with the inner cylinder and extending upward and downward of the outer cylinder to move when the external pressure is applied, and to maintain airtightness between the storage tank liquid portion and the outside; A spring installed on an outer circumference of the storage tank and configured to apply an elastic restoration force at the same time as the movable body; A liquid flow path that is in selective communication with a liquid portion of the storage tank and a movable portion of the movable body through an opening formed at one side of the upper end of the movable body, and is formed as a sealed path from the opening to a liquid container below the movable body; It is fixedly installed inside the moving body so as to penetrate the moving body up and down, the upper end is in communication with the vacuum portion of the storage tank and the lower end of the gas flow formed in a closed path from the state overlapping the liquid flow path to the liquid container Rowa; A pressure valve installed to be flowable inside the gas flow path and selectively opening and closing the gas flow path according to an external pressure applied to the moving body; And, And a container seating means for applying an upward pressure to the liquid container in the filling process so as to be in close contact with the bottom of the moving body to maintain the airtightness between the liquid container and the outside of the liquid container. The method according to claim 1, wherein the container seating means, A centering cup assembly configured to move the upper portion by covering the inlet portion when the liquid container provided from the container supply portion is located below the liquid flow path; It is installed to surround the gas flow path to the lower side of the moving body, the lower surface of the valve assembly for liquid filling, characterized in that configured to maintain the airtight in the filling process including a cup seating portion that the upper surface of the centering cup assembly is in close contact. The pressure valve of claim 1, wherein a through-hole is formed at a center of the pressure valve, and an outer surface of the pressure valve is installed on the gas flow path so as to be flowable to a pressure applied to the movable body. The valve assembly for liquid filling, characterized in that the gas flow path to selectively open and close the relative flow in the gas flow path with a deviation in the inner diameter. The method of claim 3, wherein the lower end of the pressure valve is equipped with a liquid supply pipe as a liquid flow path from the through-hole to the liquid container is integrated with the Shanghai simultaneous for the selective opening and closing of the gas flow path of the pressure valve to the Shanghai movement Valve assembly for liquid filling, characterized in that. The valve assembly for a liquid filling according to any one of claims 1 to 4, wherein the lower end of the liquid flow path is installed upward by a minute length than the lower end of the gas flow path.

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