Full-automatic water supply and return valve group for high-purity water

Abstract

The utility model discloses a full-automatic high-purity water supply and return valve group, which belongs to the technical field of water treatment and comprises a water tank, one end of the water tank is fixedly connected with a water outlet valve, one side of the water tank is fixedly connected with a return pipe, one end of the return pipe is fixedly connected with a return valve, and the other end of the return pipe is fixedly connected with a water outlet valve. A return pipe is fixedly connected to one end of the return valve, a filter pipe is arranged at the joint of the return pipe and the return valve, a water outlet tank is fixedly connected to one end of the return valve, a filter element and a supporting frame are fixedly connected to the positions, close to the two sides, of the interior of the filter pipe correspondingly, and clamping sleeves are arranged at the two ends of the filter pipe in a penetrating mode correspondingly. Impurities accumulated on the surface of the filtering part can be cleaned, the problem of filtering part blockage is reduced, meanwhile, the filtering part replacement frequency is reduced, the sealing assembly is arranged, the pipe fitting is in a sealed state when the filtering part is replaced, and the problem that external dust enters the pipe fitting to cause pollution is avoided.

Description

Technical Field

[0001] This utility model relates to the field of water treatment technology, and more specifically, to a fully automatic high-purity water supply and reflux valve assembly. Background Technology

[0002] High-purity water is an essential water supply material in the fields of electronics, semiconductors, and chemicals. In the process of high-purity water supply, the water supply return valve group plays an important role. It has the advantages of stabilizing water quality, saving energy and reducing consumption, and reducing scale and pollutants. It recovers unused high-purity water and mixes it with new high-purity water to form a stable high-purity water supply system.

[0003] Based on the above, the inventors have discovered that existing water supply return valve assemblies have internal filters to filter the returned high-purity water. However, during the filtration process, impurities accumulate on the surface of the filter element, which can easily lead to clogging and require replacement and cleaning of the filter. Therefore, in view of this, the inventors have researched and improved the existing structure to provide a fully automatic high-purity water supply and return valve assembly, aiming to achieve a more practical purpose. Utility Model Content

[0004] 1. Technical problems to be solved

[0005] To address the problems existing in the prior art, the purpose of this utility model is to provide a fully automatic high-purity water supply and return valve assembly. This solution is equipped with a cleaning component that can clean the impurities accumulated on the surface of the filter element, reducing the problem of filter element clogging and reducing the frequency of filter element replacement. In addition, a sealing component is set up so that the pipe is in a sealed state when the filter element is replaced, preventing external dust from entering the pipe and causing pollution problems.

[0006] 2. Technical Solution

[0007] To solve the above problems, the present invention adopts the following technical solution.

[0008] An automatic high-purity water supply and reflux valve assembly includes a water tank. One end of the water tank is fixedly connected to an outlet valve, and a reflux pipe is fixedly connected to one side of the water tank. One end of the reflux pipe is fixedly connected to a reflux valve, and a filter pipe is installed at the connection between the reflux pipe and the reflux valve. One end of the reflux valve is fixedly connected to an outlet tank. Inside the filter pipe, a filter element and a support frame are fixedly connected to both sides, and a snap-fit ​​sleeve is installed through both ends of the filter pipe. One end of the snap-fit ​​sleeve is provided with a sealing mechanism, and a compression ring and a threaded ring are fixedly connected to both ends of the snap-fit ​​sleeve, respectively. An impeller and a cleaning rod are respectively installed on both sides of the support frame.

[0009] The sealing mechanism includes a set of sealing plates arranged in a ring array. The inner side of the sealing plate is provided with a pressure groove, and a pair of sealing springs are fixedly connected to the outer side of the sealing plate.

[0010] Furthermore, the output end of the water outlet valve is fixedly connected to the water outlet tank, and a drain valve is fixedly connected to the front end of the water outlet tank.

[0011] Furthermore, the threaded ring is located inside the filter tube and is threadedly connected to the filter tube. The two snap-fit ​​sleeves are respectively snap-fitted to the input end of the return pipe and the output end of the return valve.

[0012] Furthermore, the connection between the impeller and the sweeping rod extends through the middle of the support frame, and the connection between the impeller and the sweeping rod is movably connected to the support frame.

[0013] Furthermore, the impeller faces the direction of the return valve, the cleaning rod is located on one side of the filter element, and the cleaning rod is in contact with the inner surface of the filter element.

[0014] Furthermore, the two sets of sealing plates are slidably connected to the input end of the return pipe and the output end of the return valve, respectively, and the pressure groove is adapted to the extrusion ring.

[0015] Furthermore, one set of sealing springs, with its end furthest from the sealing plate, is fixedly connected to the inner surface of the input end of the return pipe, while the other set of sealing springs, with its end furthest from the sealing plate, is fixedly connected to the inner surface of the output end of the return valve.

[0016] 3. Beneficial Effects

[0017] Compared with existing technologies, the advantages of this utility model are:

[0018] (1) This solution uses a filter element to filter the high-purity water that flows back through the filter tube. At the same time, the high-purity water impacts the impeller, causing the cleaning rod to rotate. The support frame ensures the rotational stability of the impeller and the cleaning rod, thereby cleaning the impurities accumulated on the surface of the filter element. Compared with the existing technology, the cleaning component can clean the impurities accumulated on the surface of the filter element, reduce the problem of filter element blockage, and reduce the frequency of filter element replacement.

[0019] (2) By setting a sealing mechanism, when the filter element is removed and replaced, the snap sleeve is reset. At this time, the compression ring is separated from the pressure groove, and the sealing plate is reset under the action of the sealing spring. The adjacent sealing plates are in contact, and the pipe is in a closed state. Compared with the prior art, by setting a sealing component, the pipe can be in a sealed state when the filter element is replaced, thus avoiding external dust from entering the pipe and causing pollution problems. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of the filter tube of this utility model;

[0022] Figure 3 This is a schematic diagram of the snap-fit ​​sleeve of this utility model;

[0023] Figure 4 This is a schematic diagram of the support frame of this utility model;

[0024] Figure 5 This is a schematic diagram of the sealing mechanism of this utility model;

[0025] Figure 6 This is a schematic diagram of the sealing plate of this utility model.

[0026] The following are the labels in the diagram: 1. Water tank; 2. Outlet valve; 3. Return pipe; 4. Return valve; 5. Filter pipe; 6. Outlet tank; 7. Drain valve; 8. Filter element; 9. Support frame; 10. Snap-fit ​​sleeve; 11. Sealing mechanism; 12. Compression ring; 13. Threaded ring; 14. Impeller; 15. Cleaning rod; 16. Sealing plate; 17. Pressure groove; 18. Sealing spring. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0028] Example:

[0029] Please see Figure 1-6 The high-purity water fully automatic water supply and return valve assembly includes a water tank 1, an outlet valve 2 fixedly connected to one end of the water tank 1, a return pipe 3 fixedly connected to one side of the water tank 1, a return valve 4 fixedly connected to one end of the return pipe 3, a filter pipe 5 provided at the connection between the return pipe 3 and the return valve 4, an outlet tank 6 fixedly connected to one end of the return valve 4, a filter element 8 and a support frame 9 fixedly connected to the inside of the filter pipe 5 on both sides, and a snap-fit ​​sleeve 10 passing through both ends of the filter pipe 5, a sealing mechanism 11 provided at one end of the snap-fit ​​sleeve 10, a compression ring 12 and a threaded ring 13 fixedly connected to both ends of the snap-fit ​​sleeve 10, and an impeller 14 and a cleaning rod 15 provided on both sides of the support frame 9.

[0030] The sealing mechanism 11 includes a set of sealing plates 16 arranged in a ring array. The inner side of the sealing plate 16 is provided with a pressure groove 17, and a pair of sealing springs 18 are fixedly connected to the outer side of the sealing plate 16. The sealing mechanism 11 is provided so that the pipe is in a sealed state when the filter element is replaced.

[0031] See Figure 1 The output end of the outlet valve 2 is fixedly connected to the outlet tank 6. The front end of the outlet tank 6 is fixedly connected to the drain valve 7. The high-purity water inside the water tank 1 is transported to the outlet tank 6 through the outlet valve 2, and then the drain valve 7 is used for transportation. Afterwards, the remaining high-purity water inside the outlet tank 6 is recovered through the return valve 4, so that it passes through the filter pipe 5 and the return pipe 3 and re-enters the water tank 1.

[0032] See Figure 3 The threaded ring 13 is located inside the filter tube 5 and is threadedly connected to the filter tube 5. The two snap-fit ​​sleeves 10 are respectively snapped into the input end of the return pipe 3 and the output end of the return valve 4. By rotating the snap-fit ​​sleeves 10, the threaded ring 13 drives the two snap-fit ​​sleeves 10 to move, so that they are snapped into the input end of the return pipe 3 and the output end of the return valve 4 respectively, thus completing the installation of the filter tube 5.

[0033] See Figure 4 The connection between the impeller 14 and the sweeping rod 15 passes through the middle of the support frame 9, and the connection between the impeller 14 and the sweeping rod 15 is movably connected to the support frame 9. The support frame 9 ensures the rotational stability of the impeller 14 and the sweeping rod 15.

[0034] See Figure 4 The impeller 14 faces the return valve 4, and the cleaning rod 15 is located on one side of the filter element 8. The cleaning rod 15 is in contact with the inner surface of the filter element 8. When the high-purity water returns through the inside of the filter tube 5, the filter element 8 performs the filtration work. At the same time, the high-purity water impacts the impeller 14, causing the cleaning rod 15 to rotate and clean the impurities accumulated on the surface of the filter element 8.

[0035] See Figure 5 The two sets of sealing plates 16 are slidably connected to the input end of the return pipe 3 and the output end of the return valve 4, respectively. The pressure groove 17 is adapted to the extrusion ring 12. During the movement of the snap sleeve 10, the extrusion ring 12 extrudes the pressure groove 17, causing the sealing plate 16 to slide outward and the compression sealing spring 18 to deform. The adjacent sealing plates 16 separate, making the pipe fitting in a through state.

[0036] See Figure 6One set of sealing springs 18 has one end away from the sealing plate 16 and is fixedly connected to the inner surface of the input end of the return pipe 3, while the other set of sealing springs 18 has one end away from the sealing plate 16 and is fixedly connected to the inner surface of the output end of the return valve 4. When the snap sleeve 10 is removed, the compression ring 12 separates from the pressure groove 17. At this time, the sealing plate 16 is reset under the action of the sealing springs 18, and the adjacent sealing plates 16 are put together, so that the pipe is in a closed state.

[0037] In use: First, place the filter tube 5 between the return pipe 3 and the return valve 4. Rotate the snap-fit ​​sleeve 10, and the threaded ring 13 will drive the two snap-fit ​​sleeves 10 to move, so that they snap into the input end of the return pipe 3 and the output end of the return valve 4 respectively, completing the installation of the filter tube 5. During the movement of the snap-fit ​​sleeve 10, the compression ring 12 squeezes the pressure groove 17, causing the sealing plate 16 to slide outward, and the compression sealing spring 18 to deform, separating the adjacent sealing plates 16, so that the pipe is in a through state. Then, the high-purity water inside the water tank 1 is transported to the water outlet tank 6 through the water outlet valve 2, and then the water outlet valve 7 is used for transportation. Finally, the water outlet is discharged through the return valve 4. The remaining high-purity water inside tank 6 is recycled, passing through filter pipe 5 and return pipe 3, and re-enters water tank 1 to complete the supply and return of high-purity water. When the returned high-purity water passes through filter pipe 5, it is filtered by filter element 8. At the same time, the high-purity water impacts impeller 14, causing cleaning rod 15 to rotate and clean the impurities accumulated on the surface of filter element 8. When the filter needs to be replaced, rotating snap sleeve 10 resets it. At this time, squeeze ring 12 separates from pressure groove 17, and sealing plate 16 resets under the action of sealing spring 18. Adjacent sealing plates 16 fit together, making the pipe closed and preventing external dust from entering the pipe and causing pollution.

[0038] Finally, it should be noted that in the description of this utility model, the terms "vertical," "upper," "lower," "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0039] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0040] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. A fully automatic high-purity water supply and return valve assembly, comprising a water tank (1), wherein a water outlet valve (2) is fixedly connected to one end of the water tank (1), and a return pipe (3) is fixedly connected to one side of the water tank (1), a return valve (4) is fixedly connected to one end of the return pipe (3), and a filter pipe (5) is provided at the connection between the return pipe (3) and the return valve (4), and a water outlet tank (6) is fixedly connected to one end of the return valve (4), characterized in that: The filter tube (5) has a filter element (8) and a support frame (9) fixedly connected to its two sides. Both ends of the filter tube (5) are provided with snap-fit ​​sleeves (10). One end of the snap-fit ​​sleeve (10) is provided with a sealing mechanism (11). Both ends of the snap-fit ​​sleeve (10) are fixedly connected with a compression ring (12) and a threaded ring (13). Both sides of the support frame (9) are provided with an impeller (14) and a cleaning rod (15). The sealing mechanism (11) includes a set of sealing plates (16) arranged in a ring array. The inner side of the sealing plate (16) is provided with a pressure groove (17), and a pair of sealing springs (18) are fixedly connected to the outer side of the sealing plate (16).

2. The high-purity water fully automatic water supply and reflux valve assembly according to claim 1, characterized in that: The output end of the outlet valve (2) is fixedly connected to the outlet tank (6), and the front end of the outlet tank (6) is fixedly connected to the drain valve (7).

3. The high-purity water fully automatic water supply and reflux valve assembly according to claim 1, characterized in that: The threaded ring (13) is located inside the filter tube (5) and is threadedly connected to the filter tube (5). The two snap-fit ​​sleeves (10) are respectively snap-fitted to the input end of the return pipe (3) and the output end of the return valve (4).

4. The high-purity water fully automatic water supply and reflux valve assembly according to claim 1, characterized in that: The connection between the impeller (14) and the sweeping rod (15) passes through the middle of the support frame (9), and the connection between the impeller (14) and the sweeping rod (15) is movably connected to the support frame (9).

5. The high-purity water fully automatic water supply and reflux valve assembly according to claim 1, characterized in that: The impeller (14) faces the return valve (4), the cleaning rod (15) is located on one side of the filter element (8), and the cleaning rod (15) is in contact with the inner surface of the filter element (8).

6. The high-purity water fully automatic water supply and reflux valve assembly according to claim 1, characterized in that: The two sets of sealing plates (16) are slidably connected to the input end of the return pipe (3) and the output end of the return valve (4), respectively, and the pressure groove (17) is adapted to the compression ring (12).

7. The high-purity water fully automatic water supply and reflux valve assembly according to claim 1, characterized in that: One set of sealing springs (18) is fixedly connected at one end away from the sealing plate (16) to the inner surface of the input end of the return pipe (3), and the other set of sealing springs (18) is fixedly connected at one end away from the sealing plate (16) to the inner surface of the output end of the return valve (4).

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