Filling valve for sterile filling

Abstract

The utility model relates to the technical field of filling valves, in particular to a filling valve for sterile filling, which has the advantages that the contact effect between materials and external air is reduced, the bacterial pollution of the materials is reduced, and the sterile filling convenience is improved. Comprising a tank body and a first one-way discharge valve, and the first one-way discharge valve communicates with the bottom end of the tank body; the feeding pipe is arranged on the outer side wall of the tank body in a communicating mode, the piston is arranged in the tank body in an up-down sliding mode, the driving device is arranged in the tank body and used for driving the piston to move in a lifting mode, and the output end of the air supply device is communicated with the interior of the tank body; the gas supply device is used for conveying sterile gas into the tank body, the second one-way exhaust valve is communicated with the upper part of the outer side wall of the tank body, and the first one-way inlet valve is communicated with the lower part of the outer side wall of the tank body.

Description

Technical Field

[0001] The utility model relates to the technical field of filling valves, in particular to a filling valve for aseptic filling. Background Art

[0002] Aseptic filling is a common industrial operation, widely used in pharmaceutical, food, cosmetics and other fields. In the aseptic filling process, the filling valve plays a key role. It not only needs to have good sealing performance, but also needs to be able to effectively prevent contamination by bacteria and other microorganisms.

[0003] As in the patent with prior art authorization announcement number CN212050488U, the utility model discloses an aseptic filling device for the production of black tea beverages, including a base and a liquid storage tank, a moving wheel is arranged under the base, the moving wheel is fixed under the base by screws, a battery is arranged inside the base, a photovoltaic panel is arranged on the upper surface of the base, the photovoltaic panel is embedded on the base, the photovoltaic panel is electrically connected to the battery, a controller is arranged on the upper surface of the base, the controller is electrically connected to the battery, a lower column is arranged in the center of the upper surface of the base, the lower column is fixed to the base by screws, a rotating motor is arranged inside the lower column, the rotating motor is electrically connected to the controller, and a turntable is arranged above the lower column.

[0004] However, during the use of the device, it was found that the device was not convenient for isolating the material from the outside world by using sterile air, which easily led to the mixing of external air and material to breed bacteria, thus reducing the aseptic filling effect. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a filling valve for aseptic filling, which reduces the contact effect between materials and external air, reduces bacterial contamination of materials, and improves the convenience of aseptic filling.

[0006] The utility model discloses a filling valve for aseptic filling, comprising a tank body and a first one-way discharge valve, the first one-way discharge valve being connected and arranged at the bottom end of the tank body; further comprising a driving device, an air supply device, a venting device, a feeding pipe, a piston, a second one-way discharge valve and a first one-way inlet valve, the feeding pipe being connected and arranged on the outer wall of the tank body, the piston being slidably arranged inside the tank body, a driving device being arranged inside the tank body, the driving device being used to drive the piston to move up and down, the output end of the air supply device being connected with the tank body, the air supply device being used to deliver sterile gas into the tank body, the second one-way discharge valve being connected and arranged at the upper part of the outer wall of the tank body, the first one-way inlet valve being connected and arranged at the lower part of the outer wall of the tank body, the second one-way discharge valve and the first one-way inlet valve being connected through the venting device; in the initial state, the tank body is filled with sterile air, and when it is necessary to fill the material, The driving device drives the piston to move upward. After the piston moves upward, the sterile air in the upper part of the tank body is discharged through the second one-way discharge valve, and at the same time, the first one-way inlet valve conveys the sterile air to the lower part of the tank body. The piston moves upward to stop blocking the feed pipe, so that the material to be filled is conveyed to the inside of the tank body through the feed pipe, and the material entering the tank body is discharged outward through the first one-way discharge valve, thereby filling the material. When the material filling is completed, the piston moves downward to seal the feed pipe. At this time, the air supply device conveys sterile air to the upper part of the tank body, and then the air supply device continues to supply sterile air to the lower part of the tank body, so that the material retained in the lower part of the piston is discharged through air squeezing, and the sterile air continues to fill the inside of the tank body, reducing the contact effect between the material and the external air, reducing the bacterial contamination of the material, and improving the convenience of aseptic filling.

[0007] Preferably, the air supply device includes an air box, an air inlet pipe, a first delivery pipe, a second one-way inlet valve, a second delivery pipe, a third one-way inlet valve and an air pump, the air inlet pipe is connected and arranged at the top of the air box, the air inlet pipe is connected to an external sterile air supply device, the first delivery pipe input end is connected to the air box, the first delivery pipe output end is connected to the upper part of the tank body, the second one-way inlet valve is connected and arranged on the first delivery pipe, the second delivery pipe input end is connected to the air box, the second delivery pipe output end is connected to the lower part of the tank body, and the third one-way inlet valve and the air pump are both connected and arranged on the second delivery pipe; when the piston moves downward, air is sucked from the upper part of the tank body, and at this time, the sterile air in the air box is delivered to the inside of the tank body through the first delivery pipe. When the piston blocks the feed pipe, the third one-way inlet valve and the air pump are opened, so that the air pump delivers the sterile air in the air box to the inside of the tank body through the second delivery pipe, so that the sterile air blows out the material retained under the piston, avoids the material retained from being contaminated by external air, and improves the aseptic filling effect.

[0008] Preferably, the driving device includes a motor, an internally threaded sleeve, a screw and multiple groups of telescopic rods. The motor is installed on the top of the tank body, the internally threaded sleeve is installed on the top of the piston, the screw is rotatably installed on the top of the tank body, the motor output end is concentrically connected to the screw, the lower part of the screw is threaded on the internally threaded sleeve, the bottom ends of the multiple groups of telescopic rods are connected to the piston, and the top ends of the multiple groups of telescopic rods are connected to the inner wall of the tank body; the motor drives the screw to rotate, so that the screw drives the internally threaded sleeve to move up and down, and the internally threaded sleeve drives the piston to move up and down after moving up and down, thereby improving the convenience of material discharge and filling.

[0009] Preferably, the ventilation device includes a third delivery pipe, a delivery box and a fourth delivery pipe, the input end of the third delivery pipe is connected to the second one-way discharge valve, the output end of the third delivery pipe is connected to the delivery box, the input end of the fourth delivery pipe is connected to the delivery box, and the output end of the fourth delivery pipe is connected to the first one-way entry valve; the second one-way discharge valve delivers the sterile air in the upper part of the tank body to the inside of the delivery box through the third delivery pipe, and at the same time, the fourth delivery pipe delivers the sterile air in the delivery box to the lower part of the tank body through the first one-way entry valve, thereby improving the convenience of sterile air circulation in the tank body and preventing external air from entering.

[0010] Preferably, it also includes an ultraviolet lamp, which is installed on the inner wall of the conveying box; the sterile air in the conveying box is further sterilized by the ultraviolet lamp to improve the sterility effect inside the tank body.

[0011] Preferably, it also includes a sealing ring, which is installed on the inner wall of the tank body and is sleeved on the outer wall of the screw rod to improve the sealing effect between the screw rod and the motor and prevent outdoor air from entering the tank body through the gap.

[0012] Preferably, the tank body is made of stainless steel to improve the antibacterial effect and reduce bacterial contamination.

[0013] Compared with the prior art, the utility model has the following beneficial effects: in the initial state, the tank body is filled with sterile air. When material needs to be filled, the driving device drives the piston to move upward. After the piston moves upward, the sterile air in the upper part of the tank body is discharged through the second one-way discharge valve, and at the same time, the first one-way inlet valve conveys sterile air to the lower part of the tank body. The piston moves upward to stop blocking the feed pipe, so that the material to be filled is conveyed to the inside of the tank body through the feed pipe, and the material entering the tank body is discharged outwardly through the first one-way discharge valve, thereby filling the material. When the material filling is completed, the piston moves downward to seal the feed pipe. At this time, the air supply device conveys sterile air to the upper part of the tank body, and then the air supply device continues to supply sterile air to the lower part of the tank body, so that the material retained in the lower part of the piston is discharged through air squeezing, so that the sterile air continues to fill the inside of the tank body, reducing the contact effect between the material and the external air, reducing the bacterial contamination of the material, and improving the convenience of aseptic filling. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 is an axonometric structural diagram of the connection between the tank body and the first one-way discharge valve, etc.;

[0016] Figure 3 It is a schematic diagram of the partial structure of the axonometric view of the connection between the piston and the internal threaded sleeve;

[0017] Figure 4 is a side view structural diagram of the connection between the third one-way inlet valve and the second delivery pipe;

[0018] Figure 5 It is an axonometric structural diagram of the connection between the conveying box and the fourth conveying pipe.

[0019] Markings in the attached drawings: 1. tank body; 2. first one-way discharge valve; 3. feed pipe; 4. piston; 5. second one-way discharge valve; 6. first one-way inlet valve; 7. air box; 8. air inlet pipe; 9. first delivery pipe; 10. second one-way inlet valve; 11. second delivery pipe; 12. third one-way inlet valve; 13. air pump; 14. motor; 15. internal threaded sleeve; 16. screw; 17. telescopic rod; 18. third delivery pipe; 19. delivery box; 20. fourth delivery pipe; 21. ultraviolet lamp; 22. sealing ring. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] like Figures 1 to 5 As shown, a filling valve for aseptic filling of the utility model comprises a tank body 1 and a first one-way discharge valve 2, which is connected and arranged at the bottom end of the tank body 1; it also comprises a driving device, an air supply device, a ventilation device, a feeding pipe 3, a piston 4, a second one-way discharge valve 5 and a first one-way inlet valve 6, the feeding pipe 3 is connected and arranged on the outer wall of the tank body 1, the piston 4 is slidably arranged inside the tank body 1, a driving device is arranged inside the tank body 1, the driving device is used to drive the piston 4 to move up and down, the output end of the air supply device is connected with the tank body 1, the air supply device is used to deliver sterile gas into the tank body 1, the second one-way discharge valve 5 is connected and arranged at the upper part of the outer wall of the tank body 1, the first one-way inlet valve 6 is connected and arranged at the lower part of the outer wall of the tank body 1, and the second one-way discharge valve 5 is connected with the first one-way inlet valve 6 through the ventilation device;

[0023] like Figure 2 As shown, the air supply device includes an air box 7, an air intake pipe 8, a first delivery pipe 9, a second one-way entry valve 10, a second delivery pipe 11, a third one-way entry valve 12 and an air pump 13. The air intake pipe 8 is connected and arranged at the top of the air box 7, the air intake pipe 8 is connected to an external sterile air supply device, the input end of the first delivery pipe 9 is connected to the air box 7, the output end of the first delivery pipe 9 is connected to the upper part of the tank body 1, the second one-way entry valve 10 is connected and arranged on the first delivery pipe 9, the input end of the second delivery pipe 11 is connected to the air box 7, the output end of the second delivery pipe 11 is connected to the lower part of the tank body 1, and the third one-way entry valve 12 and the air pump 13 are both connected and arranged on the second delivery pipe 11;

[0024] The piston 4 moves upward to stop blocking the feed pipe 3, so that the material to be filled is transported to the inside of the tank body 1 through the feed pipe 3, and the material entering the tank body 1 is discharged outwardly through the first one-way discharge valve 2, thereby filling the material. When the material filling is completed, the piston 4 moves downward to block the feed pipe 3. At this time, the air supply device transports sterile air to the upper part of the tank body 1, and then the air supply device continues to transport sterile air to the lower part of the tank body 1, so that the material retained in the lower part of the piston 4 is squeezed out by the air, and the sterile air continues to fill the inside of the tank body 1, thereby reducing the contact effect between the material and the external air, reducing the bacterial contamination of the material, and improving the convenience of aseptic filling.

[0025] Example 2

[0026] like Figures 1 to 5 As shown, a filling valve for aseptic filling of the utility model comprises a tank body 1 and a first one-way discharge valve 2, which is connected and arranged at the bottom end of the tank body 1; it also comprises a driving device, an air supply device, a ventilation device, a feeding pipe 3, a piston 4, a second one-way discharge valve 5 and a first one-way inlet valve 6, the feeding pipe 3 is connected and arranged on the outer wall of the tank body 1, the piston 4 is slidably arranged inside the tank body 1, a driving device is arranged inside the tank body 1, the driving device is used to drive the piston 4 to move up and down, the output end of the air supply device is connected with the tank body 1, the air supply device is used to deliver sterile gas into the tank body 1, the second one-way discharge valve 5 is connected and arranged at the upper part of the outer wall of the tank body 1, the first one-way inlet valve 6 is connected and arranged at the lower part of the outer wall of the tank body 1, and the second one-way discharge valve 5 is connected with the first one-way inlet valve 6 through the ventilation device;

[0027] like Figure 2As shown, the air supply device includes an air box 7, an air intake pipe 8, a first delivery pipe 9, a second one-way entry valve 10, a second delivery pipe 11, a third one-way entry valve 12 and an air pump 13. The air intake pipe 8 is connected and arranged at the top of the air box 7, the air intake pipe 8 is connected to an external sterile air supply device, the input end of the first delivery pipe 9 is connected to the air box 7, the output end of the first delivery pipe 9 is connected to the upper part of the tank body 1, the second one-way entry valve 10 is connected and arranged on the first delivery pipe 9, the input end of the second delivery pipe 11 is connected to the air box 7, the output end of the second delivery pipe 11 is connected to the lower part of the tank body 1, and the third one-way entry valve 12 and the air pump 13 are both connected and arranged on the second delivery pipe 11;

[0028] like Figure 3 As shown, the driving device includes a motor 14, an internally threaded sleeve 15, a screw 16 and multiple sets of telescopic rods 17, the motor 14 is installed at the top of the tank body 1, the internally threaded sleeve 15 is installed at the top of the piston 4, the screw 16 is rotatably installed at the top of the tank body 1, the output end of the motor 14 is concentrically connected with the screw 16, the lower part of the screw 16 is threadedly mounted on the internally threaded sleeve 15, the bottom ends of the multiple sets of telescopic rods 17 are all connected to the piston 4, and the top ends of the multiple sets of telescopic rods 17 are all connected to the inner wall of the tank body 1;

[0029] like Figure 5 As shown, the ventilation device includes a third delivery pipe 18, a delivery box 19 and a fourth delivery pipe 20, the input end of the third delivery pipe 18 is connected to the second one-way discharge valve 5, the output end of the third delivery pipe 18 is connected to the delivery box 19, the input end of the fourth delivery pipe 20 is connected to the delivery box 19, and the output end of the fourth delivery pipe 20 is connected to the first one-way inlet valve 6;

[0030] like Figure 5 As shown, it also includes an ultraviolet lamp 21, which is installed on the inner wall of the conveying box 19;

[0031] like Figure 4 As shown, it also includes a sealing ring 22, which is installed on the inner wall of the tank body 1, and the sealing ring 22 is sleeved on the outer wall of the screw 16;

[0032] like Figure 1 As shown, the tank body 1 is made of stainless steel;

[0033] In this embodiment, when the piston 4 moves downward, air is sucked into the upper part of the tank body 1. At this time, the sterile air in the air box 7 is transported to the inside of the tank body 1 through the first delivery pipe 9. When the piston 4 blocks the feed pipe 3, the third one-way inlet valve 12 and the air pump 13 are opened, so that the air pump 13 transports the sterile air in the air box 7 to the inside of the tank body 1 through the second delivery pipe 11, so that the sterile air blows out the material retained under the piston 4, avoiding the material from being contaminated by the outside air, improving the aseptic filling effect, and driving the screw 16 to rotate through the motor 14, so that the screw 16 drives the internal threaded sleeve 15 to move up and down. After the internal threaded sleeve 15 moves up and down, it drives the piston 4 to move up and down, thereby improving the convenience of material discharge and filling.

[0034] The utility model discloses a filling valve for aseptic filling. When it is working, in the initial state, the tank body 1 is filled with sterile air. When the material needs to be filled, the driving device drives the piston 4 to move upward. After the piston 4 moves upward, the sterile air in the upper part of the tank body 1 is discharged through the second one-way discharge valve 5, and at the same time, the first one-way inlet valve 6 conveys the sterile air to the lower part of the tank body 1. The piston 4 moves upward and stops blocking the feed pipe 3, so that the material to be filled is conveyed to the inside of the tank body 1 through the feed pipe 3, and the material entering the tank body 1 is discharged outwardly through the first one-way discharge valve 2, so that the material is filled. When the material filling is completed, the piston 4 moves downward to block the feed pipe 3. At this time, the air supply device conveys the sterile air to the upper part of the tank body 1, and then the air supply device continues to convey the sterile air to the lower part of the tank body 1, so that the material retained in the lower part of the piston 4 is discharged by air squeezing, so that the sterile air continues to fill the tank body 1.

[0035] The air pump 13, the motor 14 and the ultraviolet lamp 21 of the filling valve for aseptic filling of the utility model are purchased on the market, and the technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in the field to make creative labor.

[0036] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A filling valve for aseptic filling, comprising a tank body (1) and a first one-way discharge valve (2), wherein the first one-way discharge valve (2) is arranged in communication with the bottom end of the tank body (1); characterized in that: The tank body (1) further comprises a driving device, an air supply device, a ventilation device, a feed pipe (3), a piston (4), a second one-way discharge valve (5) and a first one-way inlet valve (6); the feed pipe (3) is arranged on the outer wall of the tank body (1) in a communication manner; the piston (4) is arranged inside the tank body (1) to slide up and down; a driving device is arranged inside the tank body (1) for driving the piston (4) to move up and down; the output end of the air supply device is communicated with the inside of the tank body (1); the air supply device is used to deliver sterile gas into the tank body (1); the second one-way discharge valve (5) is arranged on the upper part of the outer wall of the tank body (1); the first one-way inlet valve (6) is arranged on the lower part of the outer wall of the tank body (1); and the second one-way discharge valve (5) and the first one-way inlet valve (6) are communicated through the ventilation device.

2. A filling valve for aseptic filling as claimed in claim 1, characterized in that: The air supply device comprises an air box (7), an air intake pipe (8), a first delivery pipe (9), a second one-way inlet valve (10), a second delivery pipe (11), a third one-way inlet valve (12) and an air pump (13); the air intake pipe (8) is arranged at the top of the air box (7), the air intake pipe (8) is connected to an external sterile air supply device, the input end of the first delivery pipe (9) is connected to the air box (7), the output end of the first delivery pipe (9) is connected to the upper part of the tank body (1), the second one-way inlet valve (10) is arranged on the first delivery pipe (9), the input end of the second delivery pipe (11) is connected to the air box (7), the output end of the second delivery pipe (11) is connected to the lower part of the tank body (1), and the third one-way inlet valve (12) and the air pump (13) are both arranged on the second delivery pipe (11).

3. A filling valve for aseptic filling as claimed in claim 1, characterized in that: The driving device comprises a motor (14), an internally threaded sleeve (15), a screw (16) and a plurality of telescopic rods (17); the motor (14) is mounted on the top of the tank body (1); the internally threaded sleeve (15) is mounted on the top of the piston (4); the screw (16) is rotatably mounted on the top of the tank body (1); the output end of the motor (14) is concentrically connected to the screw (16); the lower part of the screw (16) is threadedly mounted on the internally threaded sleeve (15); the bottom ends of the plurality of telescopic rods (17) are all connected to the piston (4); and the top ends of the plurality of telescopic rods (17) are all connected to the inner wall of the tank body (1).

4. A filling valve for aseptic filling as claimed in claim 1, characterized in that: The ventilation device comprises a third delivery pipe (18), a delivery box (19) and a fourth delivery pipe (20); the input end of the third delivery pipe (18) is connected to the second one-way discharge valve (5); the output end of the third delivery pipe (18) is connected to the delivery box (19); the input end of the fourth delivery pipe (20) is connected to the delivery box (19); and the output end of the fourth delivery pipe (20) is connected to the first one-way inlet valve (6).

5. A filling valve for aseptic filling as claimed in claim 4, characterized in that: The invention also comprises an ultraviolet lamp (21), which is installed on the inner wall of the conveying box (19).

6. A filling valve for aseptic filling as claimed in claim 1, characterized in that: It also includes a sealing ring (22), which is installed on the inner wall of the tank body (1) and is sleeved on the outer wall of the screw rod (16).

7. A filling valve for aseptic filling as claimed in claim 1, characterized in that: The tank body (1) is made of stainless steel.

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