Highly clean sanitary stop valve

Abstract

The utility model relates to the technical field of stop valve, concretely is a kind of high clean sanitary stop valve, including stop valve body, the two ends of stop valve body are water inlet end and water outlet end respectively, the inside of the side close to water inlet end of stop valve body is provided with clamping groove, the inside of clamping groove is clamped with purification mechanism. In the utility model, by the cooperation of setting purification mechanism and fixing assembly, multi-dimensional, high-precision purification of fluid is realized, the cleanliness of fluid is effectively improved, and in the pharmaceutical, food and other industries with extremely high hygiene requirements, the subsequent production process of fluid will not be affected by impurities, odors, harmful ions and other factors to affect product quality, meeting the high-standard production needs, and using the fixing assembly, the convenient fixing and disassembly of cover plate and stop valve body are realized, the maintenance and replacement work of purification mechanism are facilitated, so that the entire valve can continuously and stably play the purification function in the long-term use process.

Description

Technical Field

[0001] This utility model relates to the field of gate valve technology, and in particular to a high-cleanliness hygienic gate valve. Background Technology

[0002] In many industries with stringent hygiene requirements, such as pharmaceuticals, food, and biotechnology, maintaining cleanliness during fluid transport is crucial. Traditional shut-off valves often only have simple fluid cut-off and conduction functions, lacking the ability to effectively purify the fluid. As a result, impurities, microorganisms, and potentially harmful odors and ions that could affect product quality cannot be removed when the fluid flows through the valve, making it easy for them to contaminate subsequent production processes and affect product quality and safety. Utility Model Content

[0003] The purpose of this invention is to solve the problems mentioned in the background art and to propose a high-cleanliness hygienic shut-off valve.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a high-cleanliness hygienic shut-off valve, comprising a shut-off valve body, with an inlet and an outlet at its two ends, respectively. A groove is provided inside the shut-off valve body on the side near the inlet, and a purification mechanism is fitted inside the groove. An inspection port is provided on the surface of the shut-off valve body, and a cover plate is provided at the inspection port. The cover plate is fixedly connected to the shut-off valve body via a fixing component. The purification mechanism includes a storage box, with a storage slot on the side of the storage box away from the inlet. A primary filter hole is provided at the bottom of the storage slot, and a fine filter layer and a purification layer are provided inside the storage slot, with the fine filter layer located between the primary filter hole and the purification layer.

[0005] Preferably, the fixing component includes a fixing plate with a locking hole, a support frame is fixedly connected to the cover plate, a bidirectional lead screw is rotatably connected to the inner side of the support frame, locking blocks are threaded to both ends of the bidirectional lead screw, one end of the locking block is inserted into the locking hole, and a nut is fixedly connected to the middle of the bidirectional lead screw.

[0006] Preferably, the fine filtration layer is a nanofiber membrane, and the nanofiber membrane is made of polyacrylonitrile material.

[0007] Preferably, the purification layer includes a purification block and a filter cylinder. The purification block is made of activated carbon and ion exchange resin mixed in a certain proportion and filled in the filter cylinder. The bottom of the filter cylinder is made of a fine filter screen.

[0008] Preferably, a T-shaped guide block is fixedly connected to the top of the cover plate, and a T-shaped groove is provided at the bottom of the card block, with the T-shaped guide block slidably connected inside the T-shaped groove.

[0009] Preferably, a sealing gasket is provided between the cover and the top of the storage box, and the sealing gasket is made of elastic rubber.

[0010] Preferably, a connecting rod is fixedly connected to the bottom of the cover plate, and a slot is provided on the top of the storage box corresponding to the position of the connecting rod. A strong magnet is fixedly connected to the bottom of the slot, and the connecting rod is inserted into the slot and magnetically connected to the strong magnet.

[0011] Preferably, the top of the end of the card block that is inserted into the card hole is provided with an inclined surface.

[0012] Preferably, a slag discharge pipe is fixedly connected to the bottom of the valve body near the water inlet, and a sealing cap is threaded to the bottom of the slag discharge pipe.

[0013] Preferably, both the inlet and outlet ends of the shut-off valve body are fixedly connected to flanges, and the surface of the flanges is provided with mounting holes.

[0014] Compared with the prior art, the advantages and positive effects of this utility model are as follows: 1. In this utility model, by combining a purification mechanism and a fixing component, when fluid flows through the shut-off valve, it first passes through the primary filter holes in the purification mechanism to initially intercept larger particulate impurities. Then, a fine filter layer further filters out tiny suspended solids and bacteria. Finally, the synergistic effect of activated carbon and ion exchange resin in the purification layer removes odors and harmful ions, achieving multi-dimensional and high-precision purification of the fluid. This effectively improves the cleanliness of the fluid and ensures that in industries with extremely high hygiene requirements, such as pharmaceuticals and food, the fluid will not affect product quality due to impurities, odors, or harmful ions when it participates in the subsequent production process, meeting high-standard production requirements. At the same time, the fixing component, through a two-way screw and locking block structure, enables convenient fixing and disassembly of the cover plate and the shut-off valve body, facilitating the maintenance and replacement of the purification mechanism. This allows the entire valve to continuously and stably perform its purification function during long-term use, reducing the risk of decreased purification effect due to inconvenient maintenance and improving the overall practicality and reliability of the valve.

[0015] 2. In this utility model, the connecting rod is magnetically attracted to the magnet in the slot. When it is necessary to replace the items in the storage compartment, the storage box can be easily removed from the inspection port by removing the cover plate and using the connecting rod to magnetically attract the strong magnet. This ingenious connection design allows the storage box of the purification mechanism to be easily removed from the valve without a complicated disassembly process. Operators can quickly operate on the filter and purification materials that need to be replaced, further shortening the maintenance time. Attached Figure Description

[0016] Figure 1A schematic diagram of a high-cleanliness sanitary shut-off valve is provided for this utility model; Figure 2 An exploded view of a high-cleanliness sanitary shut-off valve is provided for this utility model. Figure 3 A partially exploded view of a high-cleanliness sanitary shut-off valve is provided for this utility model. Figure 4 An exploded view of the storage box for a high-cleanliness hygienic shut-off valve is provided for this utility model. Figure 5 A partial cross-sectional view of a high-cleanliness sanitary shut-off valve is provided for this utility model.

[0017] Legend: 1. Gate valve body; 2. Slot; 3. Inspection port; 4. Purification mechanism; 401. Storage box; 402. Storage slot; 403. Primary filter hole; 404. Fine filter layer; 405. Purification layer; 4051. Purification block; 4052. Filter cylinder; 5. Cover plate; 6. Water inlet; 7. Fixing assembly; 701. Fixing plate; 702. Support frame; 703. Nut; 704. Locking block; 705. Two-way screw; 706. Locking hole; 8. Sealing gasket; 9. T-shaped guide block; 10. T-shaped groove; 11. Connecting rod; 12. Slot; 13. Strong magnet; 14. Water outlet; 15. Flange; 16. Mounting hole; 17. Slag discharge pipe; 18. Sealing cover; 19. Inclined surface. Detailed Implementation

[0018] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0019] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0020] Example 1: As Figure 1 - Figure 5As shown, this utility model provides a technical solution: a high-cleanliness sanitary shut-off valve, including a shut-off valve body 1, with an inlet end 6 and an outlet end 14 at its two ends. A groove 2 is provided inside the shut-off valve body 1 near the inlet end 6, and a purification mechanism 4 is fitted inside the groove 2. An inspection port 3 is provided on the surface of the shut-off valve body 1, and a cover plate 5 is provided at the inspection port 3. The cover plate 5 is fixedly connected to the shut-off valve body 1 by a fixing component 7. The purification mechanism 4 includes a storage box 401, with a storage groove 402 on the side of the storage box 401 away from the inlet end 6. A primary filter hole 403 is provided at the bottom of the storage groove 402, and a fine filter layer 404 and a purification layer 405 are provided inside the storage groove 402. The fine filter layer 404 is located between the primary filter hole 403 and the purification layer 405. The fixing component 7 includes a fixing plate 701, with a locking hole 706 on the fixing plate 701. The cover plate 5... A support frame 702 is fixedly connected, and a bidirectional lead screw 705 is rotatably connected to the inner side of the support frame 702. Both ends of the bidirectional lead screw 705 are threadedly connected to locking blocks 704. One end of the locking block 704 is inserted into the inside of the locking hole 706. A nut 703 is fixedly connected to the middle of the bidirectional lead screw 705. The fine filter layer 404 is made of nanofiber membrane, and the nanofiber membrane is made of polyacrylonitrile material. The purification layer 405 includes a purification block 4051 and a filter cylinder 4052. The purification block 4051 is made of activated carbon and ion exchange resin mixed in a certain proportion and filled into the filter cylinder 4052. The bottom of the filter cylinder 4052 is made of fine filter screen. A T-shaped guide block 9 is fixedly connected to the top of the cover plate 5. A T-shaped groove 10 is opened at the bottom of the locking block 704. The T-shaped guide block 9 is slidably connected inside the T-shaped groove 10. A sealing gasket 8 is provided between the cover plate 5 and the top of the storage box 401. The sealing gasket 8 is made of elastic rubber material.

[0021] The beneficial effects achieved in this embodiment 1 are as follows: By setting up the purification mechanism 4, after the fluid enters the shut-off valve, the primary filter holes 403 at the bottom of the storage tank 402 intercept larger particulate impurities in the fluid, preventing these large particulate impurities from entering the subsequent flow channels and causing blockage or affecting the subsequent filtration and purification effect, thus laying the foundation for fine filtration and deep purification. The fine filter layer 404 uses a nanofiber membrane made of polyacrylonitrile material. With its high porosity and high-precision filtration capability, it can effectively remove tiny suspended solids, bacteria, etc. in the fluid, further improving the cleanliness of the fluid and ensuring that the fluid meets high hygiene standards when participating in production processes in industries such as pharmaceuticals and food. The purification layer 405 contains a filter cylinder 4052 with a fine mesh bottom, filled with a mixture of activated carbon and ion exchange resin in a certain proportion. The activated carbon adsorbs odors and organic matter in the fluid, while the ion exchange resin removes harmful ions. Together, they achieve multi-dimensional deep purification of the fluid, ensuring comprehensive fluid quality. With the cooperation of the fixing component 7, the double-ended screw 705 can be rotated by turning the nut 703 with a wrench, allowing the threaded locking blocks 704 to insert or disengage from the locking holes 706. This facilitates the easy fixing and disassembly of the cover plate 5 and the shut-off valve body 1. When maintenance or replacement of the filter and purification materials is required in the purification mechanism 4, this structure allows operators to quickly open the cover plate 5 and operate the purification mechanism 4. This helps the entire valve maintain good purification function stably for a long time, reducing the risk of decreased purification effect due to inconvenient maintenance and improving the practicality and reliability of the valve in actual use. The T-shaped guide block 9 at the top of plate 5 is slidably connected to the T-shaped groove 10 at the bottom of the locking block 704, ensuring the stability and accuracy of the locking block 704 when it moves laterally under the drive of the bidirectional screw 705. This allows the locking block 704 to be accurately inserted into the locking hole 706, ensuring smooth fixing and disassembly operations between the cover plate 5 and the shut-off valve body 1. This avoids situations where the installation or disassembly efficiency of the cover plate 5 is affected by the movement deviation of the locking block 704, further optimizing the ease of use of the fixing component 7. The elastic rubber sealing gasket 8 set between the cover plate 5 and the top of the storage box 401 can fit tightly against the top of the storage box 401 after the cover plate 5 is installed, effectively preventing fluid leakage from the inspection port 3, preventing external pollutants from flowing into the valve and contaminating the fluid, and preventing internal fluid from seeping out and affecting the surrounding environment. This effectively maintains the high cleanliness and good sealing performance of the valve as a whole, ensuring the reliability and hygiene of the entire valve during the fluid purification process.

[0022] Example 2: As Figure 3 - Figure 5As shown, a connecting rod 11 is fixedly connected to the bottom of the cover plate 5. A slot 12 is provided on the top of the storage box 401 corresponding to the position of the connecting rod 11. A strong magnet 13 is fixedly connected to the bottom of the slot 12. The connecting rod 11 is inserted into the slot 12 and magnetically connected to the strong magnet 13. The top of the end of the card block 704 that is inserted into the card hole 706 is provided with an inclined surface 19. A slag discharge pipe 17 is fixedly connected to the bottom of the side of the shut-off valve body 1 near the water inlet 6. A sealing cap 18 is threaded to the bottom of the slag discharge pipe 17. Both the water inlet 6 and the water outlet 14 of the shut-off valve body 1 are fixedly connected with flanges 15. Mounting holes 16 are provided on the surface of the flanges 15.

[0023] The beneficial effect achieved in this embodiment 2 is that the connecting rod 11 at the bottom of the cover plate 5 is magnetically connected to the strong magnet 13 in the slot 12 at the top of the storage box 401. During normal use, this connection method allows the storage box 401 to be stably positioned in the slot 2 within the shut-off valve body 1, ensuring that the purification mechanism 4 can perform its filtration and purification function normally and ensuring the stable operation of the entire valve. When it is necessary to replace the items in the storage compartment 402, the storage box 401 can be easily removed from the inspection port 3 by removing the cover plate 5 and using the magnetic attraction between the connecting rod 11 and the strong magnet 13. This eliminates the need for complicated disassembly, greatly simplifying the maintenance process, shortening maintenance time, improving the efficiency of maintaining and replacing the internal purification mechanism 4 of the valve, reducing the impact on the production process caused by valve maintenance, and ensuring the continuity of the production process. The inclined surface 19 at the top of the locking block 704 inserts into the locking hole 706, making it easier to align the locking block 704 with the locking hole 706 on the fixing plate 701 when installing the cover plate 5. The operator only needs to place the cover plate 5 roughly in the corresponding position and then rotate the double-acting screw 705. The locking block 704 can then slide smoothly into the locking hole 706 along the inclined surface 19, realizing the quick fixation of the cover plate 5 and the gate valve body 1. This improves the convenience of the installation operation, saves installation time, and optimizes the efficiency of the entire valve installation process. The bottom of the gate valve body 1 near the water inlet 6 is fixedly connected to... The slag discharge pipe 17 and the threaded sealing cap 18 allow larger particles of impurities intercepted by the primary filter holes 403 to be periodically discharged through the slag discharge pipe 17. This can be done simply by unscrewing the sealing cap 18, which is convenient and quick. This prevents impurities from accumulating inside the valve for a long time, thus preventing the accumulation of impurities from breeding bacteria, affecting the normal operation of the valve, and damaging the clean environment inside the valve. This helps maintain the valve's long-term stable and good working condition and ensures that its purification function for fluids remains effective. The inlet end 6 and outlet end 14 of the gate valve body 1 are both fixedly connected to flanges 15, and the surface of the flanges 15 has mounting holes 16, which facilitates the connection between the gate valve and external pipelines. The flanges 15 and the pipeline flanges 15 are fastened together by bolts passing through the mounting holes 16, ensuring the connection is firm and airtight. This allows the entire valve to be stably integrated into the fluid transport system. It also makes it easier to install and disassemble the entire fluid transport system or to replace or repair the valve individually, thus improving the operability and flexibility of the entire system.

[0024] The working principle of this embodiment is as follows: During operation, the fluid first flows into the valve body 1 from the inlet 6. After entering the valve, the fluid first passes through the purification mechanism 4 located in the internal groove 2 on the side of the valve body 1 near the inlet 6. In the purification mechanism 4, the fluid first contacts the primary filter hole 403 at the bottom of the storage tray 402 of the storage box 401. The primary filter hole 403 initially intercepts larger particles of impurities in the fluid. These intercepted impurities settle at the bottom of the valve body 1 near the inlet 6 and can then be removed. Periodically unscrew the sealing cap 18 at the bottom of the slag discharge pipe 17 to discharge impurities. The fluid after primary filtration then enters the storage tank 402 through the primary filter hole 403. At this time, the fine filter layer 404 (using polyacrylonitrile nanofiber membrane) located above the primary filter hole 403 in the storage tank 402 begins to function. With its high porosity and high-precision filtration characteristics, it further finely filters the tiny suspended solids, bacteria, etc. in the fluid, thereby further improving the cleanliness of the fluid. The fluid after fine filtration continues to flow upward and enters the purification layer 405.The purification block 4051 in the purification layer 405 is made of activated carbon and ion exchange resin mixed in a certain proportion and filled in the filter cylinder 4052 with a fine filter screen at the bottom. After the fluid enters, the activated carbon uses its well-developed pore structure to adsorb odors, organic matter and other components in the fluid, while the ion exchange resin specifically removes any harmful ions that may be present in the fluid. After this deep purification process, the fluid meets high standards in terms of cleanliness, odor and ion composition, ensuring that it can meet the production needs of industries with extremely high hygiene requirements, such as pharmaceuticals and food. The fluid, after being purified in all aspects by the purification mechanism 4, continues to flow in the shut-off valve body 1. When it is necessary to control the flow of the fluid, it can be achieved by operating the conventional opening and closing structure of the shut-off valve (such as valve stem, valve disc and other conventional components, which are not mentioned in detail here but belong to the common control on / off parts of the shut-off valve). When the valve is in the open state, the purified fluid finally flows out from the outlet 14 of the shut-off valve body 1 and enters the subsequent fluid transportation link to participate in the production process. When replacing the chemical mechanism 4, for the fixed component 7, turn the nut 703 in the middle of the double-acting screw 705 with a wrench to drive the double-acting screw 705 to rotate. Due to the threaded connection between the double-acting screw 705 and the locking block 704, and the cooperation between the locking block 704 and the support frame 702 and the T-shaped guide block 9, the locking block 704 moves laterally along the T-slot 10 under the drive of the double-acting screw 705, and then disengages from the locking hole 706 of the fixed plate 701, releasing the fixed connection between the cover plate 5 and the shut-off valve body 1. After removing the cover... During the process of removing the cover plate 5, the magnetic connection between the bottom connecting rod 11 of the cover plate 5 and the strong magnet 13 in the slot 12 at the top of the storage box 401 will cause the storage box 401 to be removed from the inspection port 3. This allows the operator to easily replace the fine filter layer 404 and the purification layer 405 in the storage box 401. After the replacement or maintenance is completed, the storage box 401 is put back and the cover plate 5 is fixed in the reverse order, so that the valve can return to normal working condition and continue to provide high cleanliness for fluid transportation.

[0025] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A high sanitary stop valve comprising a stop valve body (1), characterized in that: The two ends of the shut-off valve body (1) are the inlet end (6) and the outlet end (14), respectively. The inside of the shut-off valve body (1) near the inlet end (6) is provided with a slot (2). The inside of the slot (2) is provided with a purification mechanism (4). The surface of the shut-off valve body (1) is provided with an inspection port (3). The inspection port (3) is provided with a cover plate (5). The cover plate (5) is fixedly connected to the shut-off valve body (1) by a fixing component (7). The purification mechanism (4) includes a storage box (401). The storage box (401) has a storage groove (402) on the side away from the inlet end (6). The bottom of the storage groove (402) has a primary filter hole (403). The storage groove (402) is provided with a fine filter layer (404) and a purification layer (405). The fine filter layer (404) is located between the primary filter hole (403) and the purification layer (405).

2. The high purity sanitary stop valve of claim 1, wherein: The fixing component (7) includes a fixing plate (701), on which a locking hole (706) is provided. A support frame (702) is fixedly connected to the cover plate (5). A bidirectional lead screw (705) is rotatably connected to the inner side of the support frame (702). Both ends of the bidirectional lead screw (705) are threadedly connected to locking blocks (704). One end of the locking block (704) is inserted into the locking hole (706). A nut (703) is fixedly connected to the middle of the bidirectional lead screw (705).

3. The high-cleanliness sanitary shut-off valve according to claim 1, characterized in that: The fine filter layer (404) is made of nanofiber membrane, and the nanofiber membrane is made of polyacrylonitrile material.

4. The high-cleanliness sanitary shut-off valve according to claim 1, characterized in that: The purification layer (405) includes a purification block (4051) and a filter cylinder (4052). The purification block (4051) is made of activated carbon and ion exchange resin mixed in a certain proportion and filled in the filter cylinder (4052). The bottom of the filter cylinder (4052) is made of a fine filter screen.

5. The high purity sanitary stop valve of claim 2, wherein: The top of the cover plate (5) is fixedly connected to a T-shaped guide block (9), and the bottom of the card block (704) is provided with a T-shaped groove (10). The T-shaped guide block (9) is slidably connected inside the T-shaped groove (10).

6. The high purity sanitary stop valve of claim 1, wherein: A sealing gasket (8) is provided between the cover plate (5) and the top of the storage box (401), and the sealing gasket (8) is made of elastic rubber.

7. The high purity sanitary stop valve of claim 1, wherein: A connecting rod (11) is fixedly connected to the bottom of the cover plate (5). A slot (12) is provided on the top of the storage box (401) corresponding to the position of the connecting rod (11). A strong magnet (13) is fixedly connected to the bottom of the slot (12). The connecting rod (11) is inserted into the slot (12) and magnetically connected to the strong magnet (13).

8. The high purity sanitary stop valve of claim 2, wherein: The top of the end of the card block (704) inserted into the card hole (706) is provided with an inclined surface (19).

9. The high purity sanitary stop valve of claim 1, wherein: The bottom of the shut-off valve body (1) near the water inlet (6) is fixedly connected to a slag discharge pipe (17), and the bottom of the slag discharge pipe (17) is threadedly connected to a sealing cap (18).

10. The high-cleanliness sanitary shut-off valve according to claim 1, characterized in that: The inlet (6) and outlet (14) of the shut-off valve body (1) are both fixedly connected to flanges (15), and the surface of the flanges (15) is provided with mounting holes (16).

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