Water purification equipment

Abstract

The invention discloses water purification equipment, and relates to the technical field of water purification equipment, the water purification equipment comprises a diaphragm pump, and the diaphragm pump comprises a pump body; the fluid control plate is arranged at the end part of the pump body, and a water outlet through groove is formed in the fluid control plate; the water outlet valve is arranged in the water outlet through groove; wherein a bearing part is arranged in the water outlet through groove, the bearing part is used for bearing the water outlet valve, a plurality of water passing grooves are defined by the periphery of the bearing part and the inner wall of the water outlet through groove, and a circle of sinking table is arranged on a groove opening, facing the water outlet valve, of each water passing groove; according to the technical scheme provided by the invention, a circle of sinking platform is arranged at the notch of the water passing groove, so that the water outlet valve is not easy to adhere to the bearing part after being soaked in hot water, the probability that the water outlet valve and the bearing part adhere to each other after the diaphragm pump stops running is reduced, and normal use of the diaphragm pump is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of water purification equipment, and particularly relates to a water purification equipment. Background Art

[0002] A heating type water purification equipment is provided with a hot water tank and a water pump. The hot water tank is used for storing hot water, and the water pump is used for pumping out the hot water in the hot water tank for users to use. Currently, the commonly used water pump is generally a centrifugal pump, but it is difficult for the centrifugal pump to accurately control the flow rate. To accurately control the flow rate, a diaphragm pump is now introduced as the water pump. However, the water outlet valve of the diaphragm pump is prone to sticking in a high-temperature environment, which is likely to cause the diaphragm pump to malfunction. Summary of the Invention

[0003] The main object of the present invention is to provide a water purification equipment, aiming to reduce the possibility of sticking of the water outlet valve in the diaphragm pump after being soaked in hot water.

[0004] To achieve the above object, the water purification equipment proposed by the present invention includes a diaphragm pump, and the diaphragm pump includes

[0005] a pump body;

[0006] a fluid control plate, which is arranged at the end of the pump body, and the fluid control plate is provided with a water outlet through groove;

[0007] a water outlet valve, which is arranged in the water outlet through groove;

[0008] Wherein, a receiving portion is arranged in the water outlet through groove, the receiving portion is used for receiving the water outlet valve, a plurality of water passing grooves are formed by surrounding the outer periphery of the receiving portion and the inner wall of the water outlet through groove, and a circle of sunk platforms are arranged at the notch of the water passing groove facing the water outlet valve.

[0009] In an embodiment, a plurality of connecting rods are arranged on the outer periphery of the receiving portion, the ends of the connecting rods are arranged on the inner wall of the water outlet through groove, and the connecting rods are used to provide support for the receiving portion.

[0010] In an embodiment, a plurality of reinforcing rods are further arranged on the outer periphery of the receiving portion, the ends of the reinforcing rods are arranged on the inner wall of the water outlet through groove, and the reinforcing rods are arranged between adjacent two connecting rods.

[0011] In an embodiment, the water outlet valve is circular, and the water outlet valve includes a mounting portion and a diaphragm, and the diaphragm is arranged on the outer periphery of the mounting portion.

[0012] In an embodiment, a plurality of separating grooves are circumferentially and evenly spaced on the diaphragm, the plurality of separating grooves separate the diaphragm into a plurality of diaphragm petals, and separating ribs are protruded on the surface of the connecting rod facing the diaphragm, and the separating ribs correspond to the separating grooves one by one.

[0013] In one embodiment, the membrane flaps correspond to the overflow troughs one by one.

[0014] In one embodiment, a positioning portion is formed by a convex bottom surface of the mounting portion, and a positioning groove for the positioning portion to be embedded is formed by a depression on the receiving portion.

[0015] In one embodiment, the cross-section of the positioning portion in its length direction is polygonal.

[0016] In one embodiment, the diaphragm pump further includes a pump cover, the pump cover is installed on the top of the fluid control board, a limiting portion is formed by a convex top surface of the mounting portion, a limiting post is provided on the pump cover, and when the pump cover is installed on the fluid control board, the limiting post abuts against the limiting portion.

[0017] In one embodiment, a water inlet groove is formed by a depression on the fluid control board, a plurality of water inlet holes are opened at the bottom of the water inlet groove, and the plurality of water inlet holes are evenly spaced around the water outlet through groove.

[0018] In one embodiment, a water inlet cavity and a water outlet cavity are formed by the enclosure of the pump cover and the fluid control board, the water inlet holes communicate with the water inlet cavity, the water outlet through groove communicates with the water outlet cavity, a sealing member is provided between the fluid control board and the pump cover, the sealing member includes an outer ring and an inner ring, the outer ring is used for sealing the connection between the pump cover and the fluid control board, and the inner ring is used for isolating the water inlet cavity and the water outlet cavity.

[0019] In one embodiment, a plurality of connecting ribs are provided between the inner ring and the outer ring, and the connecting ribs are used for connecting the inner ring and the outer ring.

[0020] In one embodiment, a plurality of positioning baffles are provided on the fluid control board, and the positioning baffles are used for providing a limit for the outer ring.

[0021] In one embodiment, the diaphragm pump further includes a water inlet valve, the water inlet hole is circular, a support portion for installing the water inlet valve is provided in the water inlet hole, and the support portion divides the water inlet hole into a plurality of waist-shaped holes and / or a plurality of fan-shaped holes.

[0022] In one embodiment, the ratio of the major axis to the minor axis of the waist-shaped hole is (2.5 - 1.5):1, and the central angle of the fan-shaped hole is 30° - 120°

[0023] In one embodiment, a plurality of reinforcing portions are formed by convex inner walls of the water outlet through groove, and the reinforcing portions correspond to the water inlet holes one by one.

[0024] The technical solution of the present invention is to provide a sunken platform around the notch of the water overflow tank, so that the water outlet valve is not easily adhered to the receiving part after being soaked in hot water, thereby reducing the probability of adhesion between the water outlet valve and the receiving part after the diaphragm pump stops operating, and ensuring the normal use of the diaphragm pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0026] Figure 1 It is a schematic diagram of the overall structure of the diaphragm pump in the present invention;

[0027] Figure 2 It is an exploded view of the diaphragm pump for showing the fluid control board;

[0028] Figure 3 It is a cross-sectional view of the diaphragm pump;

[0029] Figure 4 It is a schematic diagram of the overall structure of the fluid control board;

[0030] Figure 5 For Figure 4 an enlarged view of part A in

[0031] Figure 6 It is a schematic diagram of the overall structure of the fluid control board from the bottom view;

[0032] Figure 7 It is a schematic diagram of the overall structure of the water outlet valve;

[0033] Figure 8 It is a schematic diagram of the overall structure of the water outlet valve from another perspective.

[0034] Explanation of the reference numerals in the drawings:

[0035] 1. Pump body; 2. Fluid control board; 21. Water outlet groove; 22. Receiver; 221. Connecting rod; 222. Reinforcement rod; 223. Positioning groove; 224. Separation rib; 23. Water trough; 231. Sink; 24. Water inlet groove; 241. Water inlet hole; 242. Water inlet valve; 2421. Limiting round head; 243. Supporting part; 2431. Supporting ring; 2432. Supporting rib; 244. Waist-shaped hole / fan-shaped hole; 25. Reinforcement part; 26. Sealing groove; 27. Positioning baffle; 3. Water outlet valve; 31. Mounting part; 311. Limiting part; 312. Positioning part; 32. Diaphragm; 321. Separation groove; 4. Pump cover; 41. Limiting column; 42. Water inlet cavity; 43. Water outlet cavity; 5. Seal; 51. Outer ring; 52. Inner ring; 53. Connecting rib.

[0036] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0039] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0040] With the improvement of living quality, people's requirements for water quality are also constantly increasing. At present, many families have introduced water purification equipment to further filter tap water in order to improve the water quality of their household drinking water.

[0041] Water purification equipment generally includes a housing, a pre-filter, a reverse osmosis filter, a post-filter, several water pumps, a water storage tank, a control module, and various connecting pipes and valves. Among them, the pre-filter is usually a combination of a PP cotton filter and a granular activated carbon filter, which is installed at the water inlet end of the equipment. The PP cotton filter can filter large particulate impurities in water, such as sediment and rust; the granular activated carbon filter can adsorb residual chlorine, abnormal color, and odor in water. The reverse osmosis filter is the core component. Through a high-precision reverse osmosis membrane, it can effectively remove bacteria, viruses, heavy metal ions, organic pollutants, and most dissolved salts and other tiny impurities in water. The post-filter is generally a carbon rod filter, which further improves the water quality taste and adsorbs the possible remaining odor of the reverse osmosis filter and improves the taste of water; the water storage tank is used to store the filtered clean water. When the water demand is low, the water produced by the equipment will be stored in the water storage tank; when using water, the water in the water storage tank will flow to the faucet for users to use.

[0042] The water in the water storage tank has reached the direct drinking standard. In order to meet the diverse water use needs, two additional water storage tanks can be set in the water purification equipment, and a heating module and a cooling module are respectively set in the two additional water storage tanks, so that the two additional water storage tanks can store cold water and hot water respectively; correspondingly, the number of water storage tanks and the setting of the heating module and the cooling module can be determined according to different water circuit settings or different user needs. The above is only for explanation and is not a limitation on the number of water storage tanks and the setting of the heating module and the cooling module mentioned in the present invention.

[0043] Furthermore, with the diversification of user needs, the miniaturization of the equipment volume and the accurate quantitative water output have also become the improvement directions of water purification equipment. The water pumps of existing water purification equipment generally use centrifugal water pumps. Centrifugal water pumps have the advantages of large water flow and stable water flow; however, due to their working principle, centrifugal water pumps must be installed at the bottom of the water storage tank, and it is difficult to accurately control the water output of centrifugal water pumps. Therefore, centrifugal water pumps are not conducive to the miniaturization of the water purification equipment volume and the accurate quantitative water output.

[0044] Therefore, the present invention introduces a diaphragm pump into the water purification device. Since a negative pressure can be generated during the operation of the diaphragm pump, its installation position can be flexibly set within the water purification device, facilitating the miniaturized design of the volume of the water purification device. Additionally, the diaphragm pump can accurately control the water output due to its special working principle. The working process of the diaphragm pump mainly includes an inhalation process and a discharge process. During the inhalation process, after the driving mechanism of the diaphragm pump is started, it drives the diaphragm to reciprocate. When the diaphragm moves outward, the volume of the pump chamber gradually increases, the internal pressure decreases, forming a negative pressure. Under the action of the negative pressure, the fluid in the inlet pipe is sucked into the pump chamber. At this time, the inlet valve 242 opens to allow the fluid to enter, while the outlet valve 3 remains closed due to the pressure difference to prevent the fluid from flowing back. During the discharge process, the diaphragm starts to move inward under the action of the driving mechanism, the volume of the pump chamber gradually decreases, and the fluid in the chamber is squeezed, resulting in an increase in pressure. When the pressure in the pump chamber rises above the pressure in the outlet pipe, the outlet valve 3 opens, and the fluid is squeezed out of the pump chamber and discharged through the outlet pipe. At the same time, the inlet valve 242 closes under the action of the pressure to ensure that the fluid can only be discharged from the outlet, completing a complete working cycle. In summary, the present invention introduces a diaphragm pump to replace the centrifugal water pump.

[0045] The diaphragm pump further includes a fluid control board 2. The inlet valve 242 and the outlet valve 3 are both arranged on the fluid control board 2. As can be seen from the above, when the diaphragm pump operates, the discharge of water is controlled through the cooperation of the outlet valve 3 and the fluid control board 2. The outlet valve 3 is generally made of rubber material. When the water stored in the water storage tank is hot water, after the outlet valve 3 is soaked in hot water and left for a period of time, it may adhere to the fluid control board 2 or self-adhere. After the outlet valve 3 adheres to the fluid control board 2, the outlet valve 3 will block the water flow, resulting in the inability to discharge the water in the diaphragm pump. If the outlet valve 3 self-adheres, it will cause the outlet valve 3 to fail, and thus no negative pressure can be generated inside the diaphragm pump during operation. In short, both of the above situations will cause the diaphragm pump to malfunction.

[0046] Without changing the material of the water outlet valve 3, the present invention proposes a water purification device to solve the possibility of the water outlet valve 3 sticking in a hot water environment. Specifically, the diaphragm pump in the present invention includes a pump body 1, a fluid control plate 2 and a water outlet valve 3. The fluid control plate 2 is hermetically arranged at the end of the pump body 1, and the fluid control plate 2 is provided with a water outlet through groove 21. The water outlet valve 3 is arranged in the water outlet through groove 21. Among them, a receiving portion 22 is arranged in the water outlet through groove 21. The receiving portion 22 is used to receive the water outlet valve 3, and a plurality of water passing grooves 23 are formed by surrounding the outer periphery of the receiving portion 22 and the inner wall of the water outlet through groove 21. A circular sink 231 is arranged at the notch of the water passing groove 23 facing the water outlet valve 3. In the present invention, the cooperation between the water outlet valve 3 and the fluid control plate 2 is used to control the water outlet of the diaphragm pump, that is, the water outlet valve 3 will cover the water passing groove 23 when a negative pressure is formed in the diaphragm pump. The setting of the sink 231 reduces the contact area between the water outlet valve 3 and the fluid control plate 2, so that the adhesion force between the water outlet valve 3 and the fluid control plate 2 is reduced, thereby reducing the possibility of the water outlet valve 3 sticking to the fluid control plate 2 after being soaked in hot water and left for a period of time. At the same time, when the water flows out, the water will first flow through the gap between the sink 231 and the water outlet valve 3, that is, a certain amount of water can be retained at the position of the sink 231. The retained water can play a certain lubricating role, which can further reduce the possibility of non-water outlet caused by the adhesion between the water outlet valve 3 and the fluid control plate 2 after being left for a long time.

[0047] Further, in the present invention, a plurality of connecting rods 221 are arranged on the outer periphery of the receiving portion 22. The two ends of the connecting rod 221 are respectively arranged on the inner wall of the water outlet through groove 21 and the outer periphery of the receiving portion 22, that is, the connecting rod 221 is used to provide support for the receiving portion 22. In other words, the connecting rod 221 is the medium between the receiving portion 22 and the fluid control plate 2. It should be noted that in the diaphragm pump, the fluid control plate 2, the receiving portion 22 and the connecting rod 221 are generally made of plastic materials. Therefore, the fluid control plate 2, the receiving portion 22 and the connecting rod 221 can be manufactured by an integral molding process to ensure the connection strength of the connecting rod 221, that is, to ensure the connection strength between the fluid control plate 2 and the receiving portion 22, thereby avoiding the displacement or deformation of the receiving portion 22 under the impact of water flow or other external forces, and further ensuring the stability of the position of the water outlet valve 3 and improving the reliability of the diaphragm pump operation.

[0048] In order to further improve the connection strength between the fluid control plate 2 and the receiving portion 22, a number of reinforcing rods 222 are provided on the outer periphery of the receiving portion 22. The ends of the reinforcing rods 222 are arranged on the inner wall of the water outlet groove 21, and the reinforcing rods 222 are arranged between two adjacent connecting rods 221. Similarly, the reinforcing rods 222 are also made of plastic material, that is, the reinforcing rods 222 are also manufactured between the receiving portion 22 and the water outlet groove 21 by an integral molding process. The arrangement of the reinforcing rods 222 further enhances the structural strength of the receiving portion 22, improves the supporting ability of the receiving portion 22 for the water outlet valve 3, makes the receiving portion 22 less likely to deform during long-term use, helps to extend the service life of the diaphragm pump, and improves the overall performance of the equipment.

[0049] It should be noted that in the present invention, the reinforcing rods 222 and the connecting rods 221 are arranged at intervals, that is, a connecting rod 221 is arranged between two adjacent reinforcing rods 222, or it can also be said that a reinforcing rod 222 is arranged between two adjacent connecting rods 221. Thus, the actual number of the connecting rods 221 and the reinforcing rods 222 is the same. In addition, the reinforcing rods 222 and the connecting rods 221 are evenly arranged at intervals on the outer periphery of the receiving portion 22, that is, the distance between two adjacent connecting rods 221 is the same, and the distance between two adjacent reinforcing rods 222 is also the same. It can be further obtained therefrom that, with a certain reinforcing rod 222 as a reference, the distances between this reinforcing rod 222 and the two adjacent connecting rods 221 are also the same. This improves the overall symmetry of the receiving portion 22, thereby further improving the structural strength of the receiving portion 22 and ensuring the stability of the receiving portion 22.

[0050] The arrangement of the above-mentioned reinforcing rods 222 and connecting rods 221 ensures the stability of the receiving portion 22, thereby indirectly improving the stability of the water outlet valve 3, that is, ensuring the normal operation of the water outlet valve 3. In the present invention, the water outlet valve 3 is generally circular. The circular water outlet valve 3 is more stable during installation and operation. Its structure is conducive to evenly dispersing the water flow pressure, reducing local stress concentration, making the diaphragm pump more stable during operation, and improving the stability and durability of the overall equipment. The water outlet valve 3 includes an installation portion 31 and a diaphragm 32. The diaphragm 32 is arranged on the outer periphery of the installation portion 31. The diaphragm 32 is used to cover the water passing groove 23, and the installation portion 31 is placed on the receiving portion 22. During the operation of the diaphragm pump, the diaphragm 32 will deform with the change of pressure, thereby opening or closing the water passing groove 23, and the installation portion 31 is fixed on the receiving portion 22 to limit the deformation of the diaphragm 32, ensuring that the diaphragm 32 can still recover after the deformation is completed, that is, ensuring that the diaphragm 32 can accurately cover the water passing groove 23 under the change of pressure to ensure the stable operation of the overall diaphragm pump.

[0051] Accordingly, the diaphragm pump further includes a pump cover 4 which is installed on the top of the fluid control board 2. The pump cover 4 is used to seal the fluid control board 2 and the pump body 1, and the pump cover 4 can also communicate with the water storage tank and the water outlet flow channel. In order to fix the diaphragm 32, that is, to limit the displacement of the installation part 31, a limit post 41 is provided on the pump cover 4, and a limit part 311 is formed by protruding on the top surface of the installation part 31. When the pump cover 4 is installed on the fluid control board 2, the limit post 41 abuts against the limit part 311, thereby pressing the installation part 31 against the receiving part 22, that is, pressing the water outlet valve 3 as a whole against the receiving part 22 to limit the displacement of the installation part 31, prevent the water outlet valve 3 from moving upward during operation, ensure the sealing performance between the water outlet valve 3 and the fluid control board 2, avoid water leakage, and improve the working efficiency and stability of the diaphragm pump.

[0052] In order to further limit the displacement of the installation part 31, that is, to further ensure the sealing performance between the water outlet valve 3 and the fluid control board 2, a positioning part 312 is formed by protruding on the bottom surface of the installation part 31, and a positioning groove 223 for the positioning part 312 to be embedded is formed by recessing on the receiving part 22. The cooperation between the positioning part 312 and the positioning groove 223 further precisely positions the water outlet valve 3, enhances the stability of the water outlet valve 3, reduces the problems of water leakage or poor water flow caused by position deviation, and improves the sealing performance and working efficiency of the diaphragm pump. In addition, the cooperation between the positioning part 312 and the positioning groove 223 and the cooperation between the limit part 311 and the limit post 41 actually jointly limit the position of the installation part 31, so that the installation part 31 can maintain the position stability during both the installation process and the operation process of the diaphragm pump, thereby ensuring the sealing effect of the water outlet valve 3 on the water passing groove 23.

[0053] Regarding the sealing effect of the diaphragm 32 on the water passing tank 23, the water passing tank 23 is actually formed by enclosing the outer periphery of the receiving part 22, the connecting rod 221 and the inner wall of the water outlet through groove 21. Therefore, there must be a connecting rod 221 between two adjacent water passing tanks 23. When the diaphragm 32 covers the water passing tank 23 to seal it, the connecting rod 221 will limit the deformation of the diaphragm 32 to a certain extent, thereby affecting the sealing effect of the diaphragm 32 on the water passing tank 23. In addition, after the diaphragm 32 is soaked in hot water and deformed multiple times with the operation of the diaphragm pump, there is a possibility of self-adhesion, which will also affect its sealing of the water passing tank 23. To ensure the sealing effect of the diaphragm 32 on the water passing tank 23, reduce the possibility of self-adhesion of the diaphragm 32 and reduce the influence of the connecting rod 221 on the diaphragm 32, in the present invention, a plurality of partition grooves 321 are evenly spaced in the circumferential direction of the diaphragm 32. The partition grooves 321 divide the diaphragm 32 into a plurality of diaphragm flaps, and a partition rib 224 is formed to protrude on the surface of the connecting rod 221 facing the diaphragm 32. The partition ribs 224 correspond to the partition grooves 321 one by one. The setting of the partition ribs 224 and the partition grooves 321, on the one hand, plays a positioning role to prevent the water outlet diaphragm 32 from rotating or shifting during operation, that is, reduces the possibility of self-adhesion of the diaphragm 32 and ensures its stable operation. On the other hand, the opening of the partition grooves 321 reduces the influence of the connecting rod 221 on the diaphragm 32, and the diaphragm flaps are independent of each other. Moreover, this structure can make the water flow through the diaphragm flaps more evenly, optimize the water flow distribution, and improve the drainage efficiency and flow stability of the diaphragm pump.

[0054] It should be noted that as described above, the opening of the partition grooves 321 actually corresponds to the position of the connecting rod 221, that is, the number of the opened partition grooves 321 corresponds to the number of the connecting rods 221. It is not difficult to find that the number of the water passing tanks 23 also corresponds to the number of the connecting rods 221, the number of the diaphragm flaps corresponds to the number of the partition grooves 321, and thus the number of the diaphragm flaps also corresponds to the number of the water passing tanks 23. And after the partition grooves 321 and the partition ribs 224 correspond, the diaphragm flaps and the water passing tanks 23 are also in a one-to-one correspondence relationship. The corresponding setting of the diaphragm flaps and the water passing tanks 23 enables the water flow to pass through more accurately, reduces the random flow and resistance of the water flow, improves the utilization rate of the water flow and the working efficiency of the diaphragm pump, and helps to maintain the stability of the water outlet pressure.

[0055] From the perspective of installation, the cooperation between the separation groove 321 and the separation rib 224 also plays a role in preventing misassembly to a certain extent, reducing the occurrence of the situation where the diaphragm 32 loses the sealing effect on the water passing groove 23 due to improper installation position during the installation process, and improving the simplicity of the installation process to a certain extent. Based on this idea, in order to further simplify the installation process, the positioning portion 312 can be made in a prismatic shape, that is, the cross-section of the positioning portion 312 in its length direction is a polygon. Correspondingly, the cross-section of the positioning groove 223 in its depth direction is also a polygon and corresponds to the positioning portion 312. It should be noted that the polygons mentioned above can be triangles, quadrilaterals, pentagons... and so on. By analogy, in order to maintain the unity of the overall structure, the number of edges of the positioning groove 223 and the positioning portion 312 can be made to correspond to the number of connecting rods 221, so that the center of gravity of the receiving portion 22 is closer to the ideal center of gravity point, that is, the weight distribution of the receiving portion 22 is more uniform, thereby further improving the stability of the overall structure.

[0056] In the present invention, a water inlet groove 24 is further recessed on the fluid control plate 2. A plurality of water inlet holes 241 are opened at the bottom of the water inlet groove 24. The water inlet holes 241 are evenly spaced around the water outlet through groove 21. A water inlet valve 242 is installed on each water inlet hole 241. As the pressure in the diaphragm pump changes, the water inlet valve 242 will continuously open or close, thereby completing the water inlet process of the diaphragm pump. The arrangement of the water inlet groove 24 and the water inlet holes 241 optimizes the path of water flowing into the diaphragm pump, makes the water flow in more evenly, avoids excessive or too small local water flow, improves the stability and uniformity of the water flow, helps to improve the water absorption efficiency of the diaphragm pump, reduces the water flow resistance, ensures the balanced force on each part of the diaphragm pump, and prolongs the service life of the equipment.

[0057] It should be noted that in the prior art, a plurality of combined holes are opened on the fluid control plate 2. Each combined hole is formed by combining a plurality of circular small holes. The water inlet valve 242 is used to cover the combined holes. Due to the limitation of the combined holes, the water pumping efficiency of the diaphragm pump is relatively low. In the present invention, in order to improve the water pumping efficiency, a support portion 243 is provided in the water inlet hole 241. The support portion 243 divides the water inlet hole 241 into a plurality of kidney-shaped holes 244 and / or a plurality of fan-shaped holes 244. The design of the kidney-shaped holes 244 and the fan-shaped holes 244 changes the shape and distribution of the water inlet channel. Compared with the conventional circular small holes, it can increase the water inlet area, optimize the water flow into path, improve the water pumping efficiency and flow rate of the diaphragm pump. The setting of the support portion 243 provides an installation position for the water inlet valve 242 to ensure the stable operation of the water inlet valve 242.

[0058] Accordingly, in the present invention, the ratio of the major axis to the minor axis of the waist-shaped hole is (2.5 - 1.5):1. The ratio setting of the waist-shaped hole 244 optimizes the shape of the waist-shaped hole 244, which can further improve the water flow-through efficiency, ensure that the resistance of the water flow through the waist-shaped hole is small, make the water inlet process of the diaphragm pump smoother, contribute to improving the water pumping efficiency, and at the same time ensure the structural strength of the diaphragm pump, avoiding affecting the performance of the fluid control plate 2 due to the unreasonable shape of the hole; the central angle of the fan-shaped hole 244 is 30° - 120°. The setting of the angle range of the fan-shaped hole 244 ensures that while providing a larger water inlet area, the fan-shaped hole 244 can maintain a proper hole spacing and structural strength. The appropriate central angle makes the water flow in more uniformly, avoiding problems such as unsmooth water flow and increased resistance caused by too large or too small an angle of the fan-shaped hole 244, and improving the water inlet performance of the diaphragm pump. It should be noted that in the present invention, the support portion 243 can divide the water inlet hole 241 into several waist-shaped holes 244, or several fan-shaped holes 244, or several waist-shaped holes 244 and several fan-shaped holes 244, and the separation method can be selected according to actual design needs; and in the present invention, the water inlet hole 241 formed by several waist-shaped holes 244, or several fan-shaped holes 244, or several waist-shaped holes 244 and several fan-shaped holes 244 is circular. Under certain specific design requirements or manufacturing processes, the circular water inlet hole 241 may be more convenient for processing and installation, can meet the needs of different users or products, and increases the flexibility of product design.

[0059] Specifically, the support portion 243 includes a support ring 2431 and several support ribs 2432. The support ring 2431 is located inside the water inlet hole 241, and several support ribs 2432 are circumferentially arranged on the outer periphery of the support ring 2431, and the ends of the support ribs 2432 are connected to the inner wall of the water inlet hole 241; the water inlet valve 242 is an umbrella-shaped valve, and the end of the water inlet valve 242 is inserted into the support ring 2431, so that the umbrella part of the water inlet valve 242 can cover the water inlet hole 241; it should be noted that the end of the water inlet valve 242 has a limiting round head 2421, and after installation, the limiting round head 2421 will abut against the top surface of the support ring 2431; the water inlet valve 242 is made of rubber as a whole. During installation, the end of the water inlet valve 242 can be pulled to deform the limiting round head 2421 to pass through the support ring 2431; in the present invention, the structural design of the support ring 2431 and the support ribs 2432 enhances the stability and strength of the support portion 243, provides a more reliable installation support for the water inlet valve 242, ensures that the water inlet valve 242 will not be displaced or damaged due to insufficient support during operation, guarantees the normal water inlet function of the diaphragm pump, and extends the service life of the diaphragm pump.

[0060] In addition, each water inlet hole 241 is equipped with a water inlet valve 242; as the pressure in the diaphragm pump changes, the water inlet valve 242 will continuously open or close, thereby completing the water intake process of the diaphragm pump; the setting of the water inlet groove 24 and the water inlet hole 241 optimizes the path of water flow entering the diaphragm pump, allowing the water flow to enter more evenly, avoiding excessive or insufficient local water flow, improving the stability and uniformity of the water flow, and helping to improve the water absorption efficiency of the diaphragm pump, reduce water flow resistance, ensure that the various parts of the diaphragm pump are balanced, and extend the service life of the equipment. With the opening of the water inlet groove 24 and the water inlet hole 241, the various parts of the fluid control board 2 may be unevenly stressed, so the inner wall of the water outlet groove 21 is raised to form a plurality of reinforcement parts 25, and the reinforcement parts 25 correspond to the water inlet holes 241 one by one. The setting of the reinforcement part 25 enhances the structural strength of the water outlet groove 21, making it less likely to deform when subjected to water flow pressure. The design of one-to-one correspondence with the water inlet hole 241 ensures the structural stability of the water inlet and outlet areas, helps to improve the overall reliability of the diaphragm pump, and reduces the probability of failure due to weak structure.

[0061] Correspondingly, based on the above description, after the pump cover 4 and the fluid control plate 2 are enclosed, a water inlet chamber 42 and a water outlet chamber 43 will be formed, the water inlet chamber 42 is connected to the water inlet hole 241, and the water outlet chamber 43 is connected to the water outlet groove 21; with the continuous movement of the diaphragm, water will first enter the pump chamber from the water inlet chamber 42 through the water inlet hole 241, and then enter the water outlet chamber 43 through the water outlet groove 21 under the squeezing of the diaphragm; in this process, with the pressure changes generated by the movement of the diaphragm, the water inlet valve 242 and the water outlet valve 3 will be alternately opened and closed, thereby completing the water inlet and water outlet of the diaphragm pump.

[0062] It should be noted that a sealing member 5 is arranged between the fluid control board 2 and the pump cover 4, and the sealing member 5 includes an outer ring 51 and an inner ring 52. The outer ring 51 of the sealing member 5 is located at the connection between the pump cover 4 and the fluid control board 2, and the inner ring 52 is located between the water inlet chamber 42 and the water outlet chamber 43, so that the outer ring 51 is used to seal the connection between the pump cover 4 and the fluid control board 2, and the inner ring 52 is used to isolate the water inlet chamber 42 from the water outlet chamber 43; the arrangement of the sealing ring can ensure a stable pressure difference in the pump body 1, and can separate the water inlet chamber 42 from the water outlet chamber 43, that is, the outer ring 51 of the sealing member 5 prevents water from leaking from the connection between the pump cover 4 and the fluid control board 2, and the inner ring 52 isolates the water inlet chamber 42 from the water outlet chamber 43, effectively avoiding water flow through the chamber, ensuring the normal working process of the diaphragm pump, improving the working efficiency of the equipment, and at the same time preventing the corrosion of other parts of the equipment due to leakage, thereby extending the service life of the equipment.

[0063] In order to ensure the structural strength of the seal 5, a number of connecting ribs are provided between the inner ring 52 and the outer ring 51 of the seal 5. The connecting ribs are used to connect the inner ring 52 and the outer ring 51. The arrangement of the connecting ribs enhances the overall structural strength and stability of the seal 5, enables the inner ring 52 and the outer ring 51 to cooperate better, improves the sealing performance, prevents problems such as deformation and displacement of the seal 5 during long-term use, further ensures the waterproof and anti-cross-chamber effects of the diaphragm pump, and improves the reliability of the equipment. In order to further improve the adaptability of the overall structure, a sealing groove 26 is formed by recessing the upper end surface of the fluid control plate 2. The sealing groove 26 is used to accommodate the outer ring 51 of the seal 5. The arrangement of the sealing groove 26 provides an accurate installation position for the outer ring 51 of the seal 5, enhances the stability of the installation of the seal 5, further improves the sealing effect at the connection between the pump cover 4 and the fluid control plate 2, effectively prevents water leakage, ensures the normal operation of the diaphragm pump, and improves the waterproof performance of the equipment. In addition, a number of positioning baffles 27 are provided on the fluid control plate 2. The positioning baffles 27 are used to provide a limit for the outer ring 51 of the seal 5. The number of positioning baffles 27 is actually arranged around the center of the fluid control plate 2. The arrangement of the positioning baffles 27 further restricts the position of the outer ring 51 of the seal 5, prevents it from shifting during operation, ensures that the seal 5 always maintains a good sealing state, improves the waterproof performance and stability of the diaphragm pump, and avoids water leakage and cross-chamber problems caused by the displacement of the seal 5, thus ensuring the normal operation of the equipment.

[0064] The above description is only an exemplary embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformation made under the technical concept of the present invention by using the content of the specification and drawings of the present invention, or any direct / indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A water purification device, characterized in that: A diaphragm pump is included. Pump body; A fluid control plate, the fluid control plate is arranged at the end of the pump body, and the fluid control plate is provided with a water outlet groove; A water outlet valve, the water outlet valve is arranged in the water outlet groove; Among them, a receiving part is arranged in the water outlet groove, and the receiving part is used to receive the water outlet valve. The outer periphery of the receiving part and the inner wall of the water outlet groove are combined to form a plurality of water grooves. The water groove is provided with a circle of sinks facing the notch of the water outlet valve.

2. The water purification device according to claim 1, characterized in that: A plurality of connecting rods are arranged on the outer periphery of the receiving portion, and the ends of the connecting rods are arranged on the inner wall of the water outlet groove, and the connecting rods are used to provide support for the receiving portion.

3. The water purification device according to claim 2, characterized in that: A plurality of reinforcing rods are also arranged on the outer periphery of the receiving portion, the ends of the reinforcing rods are arranged on the inner wall of the water outlet groove, and the reinforcing rods are arranged between two adjacent connecting rods.

4. The water purification device according to any one of claims 2 to 3, characterized in that: The water outlet valve is circular and comprises a mounting portion and a diaphragm, wherein the diaphragm is arranged on the outer periphery of the mounting portion.

5. The water purification device according to claim 4, characterized in that: The diaphragm is provided with a plurality of dividing grooves evenly spaced in the circumferential direction, the plurality of dividing grooves divide the diaphragm into a plurality of diaphragm petals, and the surface of the connecting rod facing the diaphragm is convexly provided with dividing ribs, the dividing ribs corresponding to the dividing grooves one by one.

6. The water purification device according to claim 5, characterized in that: The membrane petals correspond to the water channels one by one.

7. The water purification device according to claim 4, characterized in that: The bottom surface of the mounting portion is convex to form a positioning portion, and the receiving portion is concave to form a positioning groove for the positioning portion to be embedded.

8. The water purification device according to claim 7, characterized in that: The cross section of the positioning portion in the length direction thereof is polygonal.

9. The water purification device according to any one of claims 4 to 8, characterized in that: The diaphragm pump also includes a pump cover, which is installed on the top of the fluid control board. The top surface of the installation portion is raised to form a limiting portion. A limiting column is arranged on the pump cover. When the pump cover is installed on the fluid control board, the limiting column conflicts with the limiting portion.

10. The water purification device according to claim 9, characterized in that: The fluid control plate is recessed to form a water inlet groove, and a plurality of water inlet holes are provided at the bottom of the water inlet groove. The plurality of water inlet holes are evenly spaced around the water outlet groove.

11. The water purification device according to claim 10, characterized in that: The pump cover and the fluid control plate are combined to form a water inlet cavity and a water outlet cavity, the water inlet hole is communicated with the water inlet cavity, the water outlet groove is communicated with the water outlet cavity, a seal is arranged between the fluid control plate and the pump cover, the seal comprises an outer ring and an inner ring, the outer ring is used to seal the connection between the pump cover and the fluid control plate, and the inner ring is used to isolate the water inlet cavity from the water outlet cavity.

12. The water purification device according to claim 11, characterized in that: A plurality of connecting ribs are provided between the inner ring and the outer ring, and the connecting ribs are used to connect the inner ring and the outer ring.

13. The water purification device according to claim 12, characterized in that: The fluid control plate is provided with a plurality of positioning baffles, and the positioning baffles are used to provide a limit for the outer ring.

14. The water purification device according to claim 9, characterized in that: The diaphragm pump also includes a water inlet valve. The water inlet hole is circular. A support portion for installing the water inlet valve is arranged in the water inlet hole. The support portion divides the water inlet hole into a plurality of waist-shaped holes and / or a plurality of fan-shaped holes.

15. The water purification device according to claim 14, characterized in that: The ratio of the major axis to the minor axis of the waist-shaped hole is (2.5-1.5):1, and the central angle of the fan-shaped hole is 30°-120°.

16. The water purification device according to claim 14, characterized in that: The inner wall of the water outlet groove is convexly formed with a plurality of reinforcement parts, and the reinforcement parts correspond to the water inlet holes one by one.

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