Bypass water purifier

Abstract

The utility model discloses a bypass water purifier which comprises a lower shell, an upper shell and a movable valve plate, a filter element is arranged in the lower shell, an inner cavity of the lower shell is divided into a raw water cavity and a purified water cavity through the filter element, the raw water cavity is located in the hollow interior of the filter element, the upper shell is arranged at the top of the lower shell, a communicating body is arranged in the upper shell, and the water purifying cavity is located in the communicating body. A communicating body is arranged in the upper shell, a cavity is formed between the top of the communicating body and the top in the upper shell, the upper shell is provided with a water inlet runner and a water outlet runner, the movable valve plate is rotatably mounted in the cavity, the bottom of the movable valve plate is attached to the top of the communicating body, so that the water purifier is in a filtering state or a bypass state by rotating the movable valve plate; according to the water purifier, raw water is supplied to a user for use without being filtered by the filter element, so that the working load of the filter element is reduced and the service life of the filter element is prolonged in some use scenes with high water consumption and low requirements on water quality, the internal structure of the water purifier is relatively simple, and the user operation mode is simple.

Description

Technical Field

[0001] This utility model relates to the technical field of domestic water filtration equipment, and in particular to a bypassable water purifier. Background Technology

[0002] Water purifiers can effectively remove various solid impurities from water, such as sediment and colloids, making the water clear and transparent. They can also remove heavy metals from water, such as lead, mercury, cadmium, and chromium, which are highly toxic to the human body. At the same time, water purifiers can also remove residual chlorine from water. Although residual chlorine can play a role in sterilization and disinfection, excessive residual chlorine can react with organic matter in water to produce carcinogenic substances such as chloroform. In addition, some water purifiers can also filter out bacteria and viruses in water, reducing the risk of infection from drinking unclean water.

[0003] Existing water purifiers filter raw water using filter cartridges to supply users. However, in real-world usage scenarios, there are situations where water consumption is high and water quality requirements are low, such as car washing, watering vegetables, and laundry. If the water purifier filters in these scenarios, the workload on the filter cartridge is very high, resulting in a large amount of impurities clogging the filter cartridge in a short period of time. This will greatly affect the lifespan of the filter cartridge. Even if the filter cartridge can be removed and cleaned, the filtration effect of the filter cartridge will still be greatly reduced after multiple recycling. This results in high user costs and a poor user experience. Utility Model Content

[0004] The purpose of this utility model is to provide a bypass water purifier, which aims to solve at least one of the technical problems existing in the prior art.

[0005] To achieve the above objectives, the present invention provides a bypass-enabled water purifier, comprising:

[0006] The lower housing has an opening at the top, and a filter element is vertically arranged in the lower housing to divide the inner cavity of the lower housing into a raw water cavity and a purified water cavity. The raw water cavity is located inside the hollow part of the filter element.

[0007] An upper shell is disposed on top of the lower shell. A connecting body is disposed in the upper shell, and a cavity is formed between the top of the connecting body and the top of the upper shell. The upper shell is provided with a water inlet channel and a water outlet channel, so that the raw water cavity, the purified water cavity, the water inlet channel and the water outlet channel are all connected to the cavity through the connecting body.

[0008] A movable valve plate is rotatably installed in the cavity, with its bottom abutting against the top of the connecting body. Rotating the movable valve plate allows the water purifier to be in either a filtering or bypass state. In the filtering state, the movable valve plate connects the inlet channel and the raw water chamber, and also connects the purified water chamber and the outlet channel, allowing raw water in the raw water chamber to flow into the purified water chamber after being filtered from the inside out by the filter element. In the bypass state, the movable valve plate connects the inlet channel and the outlet channel, preventing raw water flowing from the inlet channel from entering the raw water chamber for filtration and / or preventing the purified water chamber from connecting with the outlet channel.

[0009] Furthermore, the upper housing is also provided with a wastewater channel, which is connected to the cavity through the connecting body. By rotating the moving valve plate, the water purifier can be put into a backwashing state. In the backwashing state, the raw water cavity and the wastewater channel are connected through the moving valve plate, so that the purified water in the purified water cavity backwashes the raw water cavity and flows out from the wastewater channel.

[0010] Furthermore, a first fluid control plane is formed on the top surface of the connecting body, and a second fluid control plane is formed on the bottom surface of the moving valve plate. The moving valve plate is rotated to make the second fluid control plane rotate to a first position, a second position, or a third position that cooperates with the first fluid control plane. In the first position, the water purifier is in a filtering state; in the second position, the water purifier is in a backwashing state; and in the third position, the water purifier is in a bypass state. The second position and the third position may be the same or different.

[0011] Furthermore, the first fluid control plane is provided with a first opening communicating with the raw water chamber, a second opening communicating with the purified water chamber, a third opening communicating with the inlet water channel, a fourth opening communicating with the outlet water channel, and a fifth opening communicating with the wastewater channel.

[0012] The moving valve plate is provided with a first chamber, a second chamber, and a third chamber that are not interconnected. The first chamber, the second chamber, and the third chamber are respectively connected to a second fluid control plane. In the filtration state, the third opening and the first opening are connected through the first chamber, and the fourth opening and the second opening are connected through the second chamber. In the backwashing state, the first opening and the fifth opening are connected through the first chamber. In the bypass state, the third opening and the fourth opening are connected through the third chamber.

[0013] Further, any one of the first chamber, the second chamber, and the third chamber is formed between the top of the moving valve plate and the inner wall of the cavity, while the other two are formed by an upward recessed extension from the bottom of the moving valve plate; or

[0014] The first chamber, the second chamber, and the third chamber are all formed by the upward concave extension of the bottom of the moving valve plate.

[0015] Furthermore, the connected body includes:

[0016] An annular connector, comprising a fixed outer ring and a connecting inner ring, wherein the fixed outer ring is fixedly installed in the upper housing;

[0017] A fixed valve is installed on the annular connector, the first fluid control plane is disposed on the top surface of the fixed valve, the bottom surface of the fixed valve is provided with a raw water inlet inside the connecting inner ring, and the bottom surface of the fixed valve is provided with a clean water inlet between the fixed outer ring and the connecting inner ring.

[0018] The filter element has an installation protrusion on its top so that when the upper housing is installed on the lower housing, the connecting inner ring is fitted onto the installation protrusion, thereby connecting the raw water chamber with the raw water outlet and the purified water chamber with the purified water outlet.

[0019] Furthermore, the fixed valve includes:

[0020] A structural component, which is positioned and mounted on the annular connector.

[0021] A fixed valve plate is mounted on the structural component for limiting its position, and the first fluid control plane is disposed on the top surface of the fixed valve plate.

[0022] Furthermore, the structural component is provided with a first channel, a second channel, a third channel, a fourth channel, and a fifth channel;

[0023] The structural component has a water inlet, a water outlet, and a wastewater outlet on its side wall. The first channel connects the first opening to the raw water outlet, the second channel connects the second opening to the clean water outlet, the third channel connects the water inlet to the third opening, the fourth channel connects the fourth opening to the water outlet, and the fifth channel connects the fifth opening to the wastewater outlet.

[0024] Furthermore, the movable valve plate is also provided with a handle, the top of the upper housing is provided with a clearance hole, the top of the movable valve plate is provided with a connecting post, the connecting post passes through the clearance hole and extends out of the upper housing, the handle is detachably connected to the top of the movable valve plate, and by turning the handle to rotate the movable valve plate, the water purifier is switched to the filtration state, backwash state or bypass state.

[0025] Furthermore, the inner sidewall of the bottom of the lower housing is provided with multiple supporting ribs spaced circumferentially, and each of the multiple supporting ribs is provided with a limiting step to form an installation platform. The lower end of the filter element abuts against the installation platform, and an accommodating space is formed between the lower end of the filter element and the bottom wall of the lower housing. An air bladder is provided in the accommodating space; or

[0026] An installation post is provided between the bottom of the filter element and the bottom wall of the lower housing. An air bladder is provided on the installation post, and an installation hole is formed in the middle of the air bladder so that the air bladder can be sleeved on the installation post through the installation hole for installation.

[0027] As can be seen from the above technical solution, the water purifier of this utility model switches between filtration and bypass states by rotating the moving valve plate. Rotating the moving valve plate puts the water purifier in filtration state, connecting the inlet channel and the raw water chamber, and connecting the purified water chamber and the outlet channel. This allows the raw water in the raw water chamber to flow into the purified water chamber after being filtered from the inside out by the filter element. The purified water flowing out of the outlet channel is used for daily life. Further rotating the moving valve plate puts the water purifier in bypass state, allowing the moving valve plate to connect the inlet channel... It is connected to the outlet channel to prevent raw water flowing in from the inlet channel from flowing into the raw water chamber for filtration, or to prevent purified water in the purified water chamber from flowing out through the outlet channel. This allows raw water to not be filtered by the filter element in some usage scenarios with high water consumption and low water quality requirements, thereby reducing the workload of the filter element and extending its service life. In addition, the internal structure of the water purifier with this design is relatively simple, the water purifier has strong stability under different conditions, good reliability, simple operation, and a good user experience.

[0028] To make the technical concept, other objectives, advantages, features and functions of this utility model clearer and easier to understand, preferred embodiments will be specifically described in the following detailed description, and will be illustrated in conjunction with the accompanying drawings. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a schematic diagram of the internal structure of the bypassable water purifier provided in the embodiments of this application;

[0031] Figure 2 This is an exploded view of the bypassable water purifier provided in the embodiments of this application;

[0032] Figure 3 This is an exploded view of the bypass water purifier provided in the embodiments of this application from another perspective;

[0033] Figure 4 These are partial structural schematic diagrams provided in the embodiments of this application;

[0034] Figure 5 This is a schematic diagram from another perspective of some of the structures provided in the embodiments of this application;

[0035] Figure 6 This is an exploded view of the structure of the water purifier under backwashing conditions provided in the embodiments of this application;

[0036] Figure 7 This is an exploded view of the water purifier in bypass state provided in the embodiments of this application;

[0037] Figure 8 This is an exploded view of the structure of a bypassable water purifier according to another embodiment provided in this application;

[0038] Figure 9 This is an exploded view of another embodiment of the bypassable water purifier provided in this application.

[0039] The above figures include the following reference numerals:

[0040] 100. Lower housing; 120. Filter element; 121. Mounting protrusion; 130. Raw water chamber; 140. Clean water chamber; 150. Support rib; 160. Limiting step; 170. Accommodation space; 180. Air bladder;

[0041] 200. Upper housing; 210. Connecting body; 211. Annular connector; 211a. Fixed outer ring; 211b. Connecting inner ring; 212. Fixed valve; 212a. Raw water inlet; 212b. Clean water inlet; 220. Cavity; 230. Water inlet channel; 240. Water outlet channel; 250. Wastewater channel; 260. Clearance hole;

[0042] 300. Moving valve plate; 310. First chamber; 320. Second chamber; 330. Third chamber; 340. Handle;

[0043] 400, First fluid control plane; 410, First opening; 420, Second opening; 430, Third opening; 440, Fourth opening; 450, Fifth opening;

[0044] 500, Second fluid control plane; 510, First port; 520, Second port; 530, Bypass port;

[0045] 600, Structural component; 610, First channel; 620, Second channel; 630, Third channel; 640, Fourth channel; 650, Fifth channel; 660, Inlet; 670, Outlet; 680, Wastewater outlet;

[0046] 700, fixed valve plate. Detailed Implementation

[0047] This application provides a bypass-enabled water purifier, which at least solves one of the technical problems existing in the prior art. This utility model allows the water purifier to be in either a filtering or bypass state by rotating the valve plate 300. Unlike existing water purifiers, the internal structure of this utility model is relatively simple. In the filtering state, filtration proceeds from inside the filter element 120 to outside the valve core, resulting in better filtration. By switching the water purifier to the bypass state, the inlet channel 230 and the outlet channel 240 can be connected, allowing the original water flowing into the inlet channel 230 to pass through. Water is not allowed to flow into the raw water chamber 130 for filtration, or the purified water in the purified water chamber 140 is not allowed to flow out through the outlet channel 240. In this way, the raw water flowing in from the inlet channel 230 is supplied to the user without being filtered by the filter element 120. In scenarios such as car washing, watering, or laundry, where a large amount of water is needed and the water quality requirements are low, switching the water purifier to bypass mode can greatly reduce the workload of the filter element 120, thereby increasing the service life of the filter element 120, reducing the replacement frequency of the filter element 120, and reducing the user's maintenance costs.

[0048] To enable those skilled in the art to better understand the technical solutions of this application, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0049] Please refer to the following: Figures 1 to 9This embodiment provides a bypassable water purifier, including a lower housing 100, an upper housing 200, and a movable valve plate 300. The top of the lower housing 100 is open, and a filter element 120 is vertically arranged in the lower housing 100 to divide the inner cavity of the lower housing 100 into a raw water chamber 130 and a purified water chamber 140. The raw water chamber 130 is located inside the hollow interior of the filter element 120. The upper housing 200 is located at the top of the lower housing 100 and has a connecting body 210. A cavity 220 is formed between the top of the connecting body 210 and the top of the upper housing 200. The upper housing 200 has an inlet channel 230 and an outlet channel 240, so that the raw water chamber 130, the purified water chamber 140, the inlet channel 230, and the outlet channel 240 are all connected to the lower housing 100 via the connecting body 210. The cavity 220 is connected, and the movable valve plate 300 is rotatably installed in the cavity 220. The bottom of the movable valve plate 300 is in contact with the top of the connecting body 210, so that the water purifier can be in a filtering state or a bypass state by rotating the movable valve plate 300. In the filtering state, the movable valve plate 300 connects the inlet channel 230 and the raw water cavity 130 and connects the purified water cavity 140 and the outlet channel 240, so that the raw water in the raw water cavity 130 flows into the purified water cavity 140 after being filtered from the inside to the outside through the filter element 120. In the bypass state, the movable valve plate 300 connects the inlet channel 230 and the outlet channel 240, so that the raw water flowing in from the inlet channel 230 does not flow into the raw water cavity 130 for filtration and / or the purified water in the purified water cavity 140 does not flow out through the outlet channel 240.

[0050] As can be seen, in this embodiment, the water purifier switches between filtration and bypass states by rotating the valve plate 300. Rotating the valve plate 300 puts the water purifier in filtration state, connecting the inlet channel 230 and the raw water chamber 130, and connecting the purified water chamber 140 and the outlet channel 240. This allows the raw water in the raw water chamber 130 to flow into the purified water chamber 140 after being filtered from the inside out by the filter element 120. The purified water flowing out of the outlet channel 240 is supplied to the user for daily use. Further rotating the valve plate 300 puts the water purifier in bypass state, allowing the inlet water to flow through the valve plate 300. The inlet channel 230 and the outlet channel 240 are connected to prevent the raw water flowing in from the inlet channel 230 from flowing into the raw water chamber 130 for filtration, or to prevent the purified water in the purified water chamber 140 from flowing out through the outlet channel 240. This allows the raw water to not be filtered by the filter element 120 in some usage scenarios where water consumption is high and water quality requirements are not high, thereby reducing the workload of the filter element 120 and extending its service life. In addition, the internal structure of the water purifier is relatively simple, the water purifier has strong stability under different conditions, good reliability, simple operation, and good user experience.

[0051] The water purifier's filtration structure, which extends from the inside out, achieves high precision without affecting water pressure. Since the outer layer of filter element 120 has a filtration area 15-20 times larger than the inner layer, its resistance is lower. Filter element 120 is designed with a structure that gradually increases filtration precision from the inside out, ensuring that the resistance does not increase when the raw water is filtered from the inside out. Compared to the existing water purifiers' filtration method from the outside in, the water purifier in this embodiment achieves a higher filtration rate for raw water under the same conditions. Filter element 120 can be a PP cotton filter element. PP cotton is a roll-shaped filter element made from non-toxic and odorless polypropylene through heating, melting, spinning, drawing, and forming. PP cotton filter elements have a deep filtration structure with uniform pore size and a loose outer layer and a dense inner layer, and possess excellent characteristics such as high filtration efficiency and resistance to acids and alkalis.

[0052] Preferably, the top of the outer peripheral surface of the lower housing 100 is provided with an external thread, and the bottom of the inner peripheral surface of the upper housing 200 is provided with an internal thread. The upper housing 200 and the lower housing 100 are connected by threads so that the upper housing 200 can be unscrewed from the lower housing 100 when the filter element 120 needs to be replaced or other internal components need to be maintained. In this embodiment, a sealing ring is also provided between the upper housing 200 and the lower housing 100.

[0053] Furthermore, the upper housing 200 is also provided with a wastewater channel 250, which is connected to the cavity 220 via a connecting body 210. Rotating the movable valve 300 allows the water purifier to be in a backwashing state. In the backwashing state, the movable valve 300 connects the raw water cavity 130 and the wastewater channel 250, allowing the purified water in the purified water cavity 140 to backwash the raw water cavity 130 and flow out through the wastewater channel 250. This arrangement allows the purified water in the purified water cavity 140 to backwash impurities adhering to the filter element 120 near the raw water cavity 130 into the wastewater channel 250, discharging the impurities and restoring the filtration effect of the filter element 120. Since the filtration area of ​​the outer layer of the filter element 120 is 15-20 times that of the inner layer, similarly… The flushing water volume is relatively high, and the water flow rate on the surface of the filter element 120 is faster. Therefore, the flushing effect from the outside of the filter element 120 to the inside is much better than the flushing effect from the inside to the outside. The flushing effect depends on the instantaneous pressure difference generated on the surface of the filter element 120. When the water purifier switches from the filtration state to the backwashing state, a pressure difference will be formed between the inside of the water purifier and the wastewater channel 250. The faster the switching speed, the greater the pressure difference. The impurities adhering to the filter element 120 will be flushed away instantly. Then these impurities will be discharged from the wastewater channel 250. There is no need to consume a lot of water for flushing, and the flushing effect is good. After flushing, turn the valve body 300 to return to the initial filtration state. If the flushing is not clean enough, the state of the water purifier can be switched repeatedly.

[0054] In this embodiment, as Figures 2 to 5As shown, a first fluid control plane 400 is formed on the top surface of the connecting body 210, and a second fluid control plane 500 is formed on the bottom surface of the movable valve plate 300. Rotating the movable valve plate 300 causes the second fluid control plane 500 to rotate to a first position, a second position, or a third position that cooperates with the first fluid control plane 400. In the first position, the water purifier is in the filtering state; in the second position, the water purifier is in the backwashing state; and in the third position, the water purifier is in the bypass state. The second position and the third position may be the same or different. The water purifier is switched between the filtering state, the bypass state, or the backwashing state by cooperating with the second fluid control plane 500 on the bottom surface of the movable valve plate 300 and the first fluid control plane 400 on the top surface of the connecting body 210. This setting makes the water purifier switching accuracy high.

[0055] Preferably, the bypass state and backwash state of the water purifier can be configured to exist simultaneously, such as... Figure 6 As shown, the second and third positions are the same, meaning the water purifier is simultaneously in backwash and bypass states, and these states do not interfere with each other. In this embodiment, the water purifier can also be in bypass state only, such as... Figure 7 As shown, the pipe coaxially arranged with the wastewater flow channel 250 is canceled or closed. At this time, the second fluid control plane 500 is rotated to a third position that is different from the second position and cooperates with the first fluid control plane 400, so that the water purifier is only in the bypass state.

[0056] In this embodiment, as Figures 1 to 9 As shown, the first fluid control plane 400 has a first opening 410 communicating with the raw water chamber 130, a second opening 420 communicating with the purified water chamber 140, a third opening 430 communicating with the inlet channel 230, a fourth opening 440 communicating with the outlet channel 240, and a fifth opening 450 communicating with the wastewater channel 250. The moving valve plate 300 is provided with a first chamber 310, a second chamber 320, and a third chamber 330 that are not interconnected. The first chamber 310, the second chamber 320, and the third chamber 330 are respectively connected to the first chamber 130, the second chamber 420, the third chamber 430, the third chamber 430, the fourth opening 440, the fourth opening 440, the fourth opening 450, and the fifth opening 450. The second chamber 320 and the third chamber 330 are respectively connected to the second fluid control plane 500, so that in the filtration state, the third opening 430 and the first opening 410 are connected through the first chamber 310 and the fourth opening 440 and the second opening 420 are connected through the second chamber 320; in the backwashing state, the first opening 410 and the fifth opening 450 are connected through the first chamber 310; and in the bypass state, the third opening 430 and the fourth opening 440 are connected through the third chamber 330.

[0057] In the first position, the third opening 430 and the first opening 410 are connected through the first chamber 310, and the fourth opening 440 and the second opening 420 are connected through the second chamber 320. Raw water enters through the inlet channel 230 and flows through the third opening 430, the first chamber 310, and the first opening 410 into the raw water chamber 130. As the raw water flows from the raw water chamber 130 into the purified water chamber 140, it is filtered by the filter element 120, and the filtered impurities are retained in the raw water. The filtered water flows through the second opening 420, the second chamber 320, and the fourth opening 440, and finally flows out through the outlet channel 240 to supply the user. In the second position, the first opening 410 and the fifth opening 450 are connected through the first chamber 310. The filtered water in the purified water chamber 140 will backwash the chamber wall of the filter element 120 located on the side of the original water chamber 130, and the filtered water will carry the impurities in the original water chamber 130 through the first opening 410 and the first chamber 120. The wastewater is discharged through the wastewater channel 250 via openings 310 and 450, thus achieving backwashing to restore the filtration capacity of filter element 120. It is evident that when a large amount of impurities exist in the raw water chamber 130 and adhere to the wall of filter element 120 on one side of the raw water chamber 130, it will greatly affect the filtration effect of filter element 120. The backwashing process of the water purifier can restore the filtration effect of filter element 120 without disassembling the water purifier, making this product highly practical and easy to use. In the third position, the third opening 430 and the fourth opening 440 are connected through the third chamber 330. Raw water flows through the third opening 430, the third chamber 330, and the fourth opening 440, and is not filtered by filter element 120. In some usage scenarios with high water consumption and low water quality requirements, filter element 120 can be kept inactive, greatly reducing its workload and helping to maintain its filtration capacity and extend its service life.

[0058] It is worth noting that the first opening 410, the second opening 420, the third opening 430, the fourth opening 440, the fifth opening 450, the raw water inlet 212a, and the clean water inlet 212b in this utility model can be provided in one or more ways, and their shape and number should not be used as a limitation of this utility model; the water inlet channel 230, the water outlet channel 240, and the wastewater channel 250 can also be provided as one or more ways, the first channel 610, the second channel 620, the third channel 630, the fourth channel 640, and the fifth channel 650 can also be provided as one or more ways, and the water inlet 660, the water outlet 670, and the wastewater inlet 680 can be provided in one or more ways.

[0059] In this embodiment, as Figures 2 to 7As shown, any one of the first chamber 310, the second chamber 320, and the third chamber 330 is formed between the top of the moving valve plate 300 and the inner wall of the cavity 220, while the other two are formed by the upward concave extension of the bottom of the moving valve plate 300. The first chamber 310, the second chamber 320, and the third chamber 330 are thus formed in a simple manner. In another possible manner, the first chamber 310, the second chamber 320, and the third chamber 330 are all formed by the upward concave extension of the bottom of the moving valve plate 300.

[0060] The first chamber 310, the second chamber 320 and the third chamber 330 are all water passage chambers. The bottom of the first chamber 310, the second chamber 320 and the third chamber 330 are all open to form multiple water passages on the first fluid control plane 400.

[0061] In this embodiment, as Figures 2 to 7 As shown, the connecting body 210 includes an annular connector 211 and a fixed valve 212. The annular connector 211 includes a fixed outer ring 211a and a connecting inner ring 211b. The fixed outer ring 211a is fixedly installed in the upper housing 200. The fixed valve 212 is limited and installed on the annular connector 211. The first fluid control plane 400 is set on the top surface of the fixed valve 212. The bottom surface of the fixed valve 212 is located inside the connecting inner ring 211b and has a raw water inlet 212a. The bottom surface of the fixed valve 212 is located between the fixed outer ring 211a and the connecting inner ring 211b and has a clean water inlet 212b. The top of the filter element 120 is provided with an installation protrusion 121 so that when the upper housing 200 is installed on the lower housing 100, the connecting inner ring 211b is sleeved on the installation protrusion 121, so that the raw water chamber 130 is connected to the raw water inlet 212a and the clean water chamber 140 is connected to the clean water inlet 212b.

[0062] The outer ring 211a is fixedly installed inside the upper housing 200 by welding. The outer ring 211a extends radially inward to form multiple connecting rods. The inner ring 211b is fixedly connected to the ends of the multiple connecting rods. A sealing rubber ring is provided on the inner circumferential surface of the inner ring 211b so that when the upper housing 200 is installed on the lower housing 100, the inner ring 211b is sealed to the mounting protrusion 121.

[0063] Preferably, the top of the annular connector 211 is provided with a first positioning protrusion, and the bottom of the fixed valve 212 is provided with a first positioning groove. The first positioning protrusion and the first positioning groove are configured to cooperate so that the fixed valve 212 is limited and installed on the annular connector 211, and the fixed valve 212 and the annular connector 211 cannot rotate relative to each other.

[0064] In this embodiment, the fixed valve 212 includes a structural component 600 and a fixed valve plate 700. The structural component 600 is limited and installed on the annular connector 211, and the fixed valve plate 700 is limited and installed on the structural component 600. The first fluid control plane 400 is disposed on the top surface of the fixed valve plate 700. The bottom of the fixed valve 212 is provided with a second positioning groove, and the top of the structural component 600 is provided with a second positioning protrusion. The second positioning groove and the second positioning groove are configured to cooperate so that the fixed valve plate 700 and the structural component 600 cannot rotate relative to each other.

[0065] Preferably, both the fixed valve plate 700 and the moving valve plate 300 are made of ceramic material, which enables good sealing between the fixed valve plate 700 and the moving valve plate 300.

[0066] In this embodiment, as Figures 1 to 7 As shown, the structural component 600 has a first channel 610, a second channel 620, a third channel 630, a fourth channel 640, and a fifth channel 650. The side wall of the structural component 600 has a water inlet 660, a water outlet 670, and a wastewater outlet 680. The first channel 610 connects the first opening 410 and the raw water outlet 212a. The second channel 620 connects the second opening 420 and the clean water outlet 212b. The third channel 630 connects the water inlet 660 and the third opening 430. The fourth channel 640 connects the fourth opening 440 and the water outlet 670. The fifth channel 650 connects the fifth opening 450 and the wastewater outlet 680.

[0067] Among them, the first channel 610, the second channel 620, the third channel 630, the fourth channel 640, and the fifth channel 650 are all arranged vertically. A cavity is provided within the structural component 600. The structural component 600 includes an outer wall structure and partition plates. The outer wall structure is a cylindrical structure open at both ends. The partition plates are arranged vertically within the cavities and include a first partition plate and multiple second partition plates. The first partition plate is a hollow cylindrical structure and is coaxially arranged with the outer wall structure to divide the cavity into a first cavity and a second cavity. The first cavity is the first channel 610, and the original water inlet 212a is located at the bottom of the first cavity. Multiple second partition plates are arranged radially within the second cavities to allow passage... Multiple second partitions divide the second cavity into at least four sub-cavities, which correspond to the second channel 620, the third channel 630, the fourth channel 640, and the fifth channel 650, respectively. The clean water outlet 212b is located at the bottom of the second channel 620, and the top of the second channel 620 is connected to the second opening 420. The water inlet 660 is located on the side wall of the third channel 630, and the top of the third channel 630 is connected to the third opening 430. The water outlet 670 is located on the side wall of the fourth channel 640, and the top of the fourth channel 640 is connected to the fourth opening 440. The wastewater outlet 680 is located on the side wall of the fifth channel 650, and the top of the fifth channel 650 is connected to the fifth opening 450.

[0068] In this embodiment, the movable valve plate 300 is also provided with a handle 340, the top of the upper housing 200 is provided with a clearance hole 260, the top of the movable valve plate 300 is provided with a connecting post, the top of the connecting post passes through the clearance hole 260 and extends out of the upper housing 200, the handle 340 is detachably connected to the top of the movable valve plate 300, and by turning the handle 340, the movable valve plate 300 is rotated, thereby switching the water purifier to the filtration state, backwash state or bypass state.

[0069] The movable valve plate 300 is rotated by turning the handle 340, and the position and movement of the handle 340 are clearly visible. Users can clearly see the position of the handle 340 and thus intuitively understand the current working status of the water purifier. As shown in Figures 1-2, when the handle 340 is in a specific position, users can immediately know whether the water purifier is filtering, backwashing, or in a stopped state, avoiding equipment damage or poor performance due to misoperation. The top of the movable valve plate 300 is also provided with a step for pressing it against the connecting body 210 when the upper housing 200 is installed on the lower housing 100, so that the first fluid control plane 400 and the second fluid control plane 500 are in contact.

[0070] Preferably, the top of the moving valve plate 300 is a square protrusion structure, and a corresponding square recess structure is provided on the side wall of the end of the handle 340. The handle 340 can be installed by aligning the square recess structure with the square protrusion structure. This structure makes the installation of the handle 340 simple and convenient.

[0071] In this embodiment, as Figure 1 As shown, the inner sidewall of the bottom of the lower housing 100 is provided with a plurality of support ribs 150 at intervals along the circumference. Each of the support ribs 150 is provided with a limiting step 160 to form an installation platform. The lower end of the filter element 120 abuts against the installation platform, and an accommodating space 170 is formed between the lower end of the filter element 120 and the bottom wall of the lower housing 100. An air bladder 180 is provided in the accommodating space 170.

[0072] In one possible implementation, a mounting post is provided between the bottom of the filter element 120 and the bottom wall of the lower housing 100. An air bladder 180 is provided on the mounting post, and a mounting hole is formed in the middle of the air bladder 180 so that the air bladder 180 is fitted onto the mounting post through the mounting hole for installation.

[0073] Preferably, the volume of the air bladder 180 under atmospheric pressure is approximately 0.75-1.25 times the volume of the original water chamber 130. This arrangement ensures that the expansion volume of the air bladder 180 is similar to the volume of the original water chamber 130, so that during backwashing, the air bladder 180 expands under pressure and can discharge wastewater of equal expansion volume from the wastewater channel 250 outside the water purifier. In other embodiments, an external pressure tank can be installed on one side of the outlet channel 240 to assist backwashing.

[0074] When water usage stops, the air bladder 180 is compressed under water pressure, which effectively eliminates the water hammer impact on the filter bottle.

[0075] The volume of the raw water chamber 130 is about 1 / 10 of the overall volume of the filter element 120. The water capacity of the raw water chamber 130 is about 150ml. Its volume is small and similar to the shrinkage volume of the air bladder 180. Therefore, the pressure generated by the depressurization and expansion of the air bladder 180 can just be used to clean out the impurities and sewage in the raw water chamber 130. This way, the impurities and sewage can be cleaned out without wasting too much rinsing water.

[0076] From the above description, it can be seen that the above embodiments of this utility model achieve the following technical effects: By rotating the moving valve plate 300, the water purifier is switched between the filtration state and the bypass state. Rotating the moving valve plate 300 puts the water purifier in the filtration state, connecting the inlet channel 230 and the raw water chamber 130, and connecting the purified water chamber 140 and the outlet channel 240 through the moving valve plate 300. This allows the raw water in the raw water chamber 130 to flow into the purified water chamber 140 after being filtered from the inside to the outside through the filter element 120. The purified water flowing out of the outlet channel 240 is supplied to the user for daily use. Further rotating the moving valve plate 300 puts the water purifier in the bypass state, so as to facilitate the flow of water through the filter. The over-operated valve plate 300 connects the inlet channel 230 and the outlet channel 240, so that the raw water flowing in from the inlet channel 230 does not flow into the raw water chamber 130 for filtration, or the purified water in the purified water chamber 140 does not flow out through the outlet channel 240. This allows the raw water to not be filtered by the filter element 120 in some usage scenarios with high water consumption and low water quality requirements, thereby reducing the workload of the filter element 120 and improving its service life. In addition, the internal structure of the water purifier with this design is relatively simple, the water purifier has strong stability under different conditions, good reliability, simple operation, and good user experience.

[0077] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0078] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this application. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings. In the description of this application, the terms "center", "upper", "lower", "front", "rear", "left", "right", "lateral", "longitudinal", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application 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 application.

[0079] It should be noted that, in the description of this application, unless otherwise expressly specified and limited, the terms "set, connect, link, install" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, abutting connections, or integral connections. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0080] It should also be noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "joining," "fixing," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between 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.

[0081] Furthermore, it should be noted that in the description of this utility model, the use of terms such as "first" and "second" to define the components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application. In the description of this utility model, unless otherwise stated, "multiple" means two or more.

[0082] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications are also considered to be within the protection scope of this utility model.

Claims

1. A bypass-enabled water purifier, characterized in that, include: The lower housing has an opening at the top, and a filter element is vertically arranged in the lower housing to divide the inner cavity of the lower housing into a raw water cavity and a purified water cavity. The raw water cavity is located inside the hollow part of the filter element. An upper shell is disposed on top of the lower shell. A connecting body is disposed in the upper shell, and a cavity is formed between the top of the connecting body and the top of the upper shell. The upper shell is provided with a water inlet channel and a water outlet channel, so that the raw water cavity, the purified water cavity, the water inlet channel and the water outlet channel are all connected to the cavity through the connecting body. A movable valve plate is rotatably installed in the cavity, with its bottom abutting against the top of the connecting body. Rotating the movable valve plate allows the water purifier to be in either a filtering or bypass state. In the filtering state, the movable valve plate connects the inlet channel and the raw water chamber, and also connects the purified water chamber and the outlet channel, allowing raw water in the raw water chamber to flow into the purified water chamber after being filtered from the inside out by the filter element. In the bypass state, the movable valve plate connects the inlet channel and the outlet channel, preventing raw water flowing from the inlet channel from entering the raw water chamber for filtration and / or preventing the purified water chamber from connecting with the outlet channel.

2. The bypassable water purifier according to claim 1, characterized in that, The upper housing is also provided with a wastewater channel, which is connected to the cavity through the connecting body. By rotating the moving valve plate, the water purifier can be put into a backwashing state. In the backwashing state, the raw water cavity and the wastewater channel are connected through the moving valve plate, so that the purified water in the purified water cavity backwashes the raw water cavity and flows out from the wastewater channel.

3. The bypassable water purifier according to claim 1, characterized in that, The top surface of the connecting body forms a first fluid control plane, and the bottom surface of the movable valve plate forms a second fluid control plane. Rotating the movable valve plate causes the second fluid control plane to rotate to a first position, a second position, or a third position that cooperates with the first fluid control plane. In the first position, the water purifier is in a filtering state; in the second position, the water purifier is in a backwashing state; and in the third position, the water purifier is in a bypass state. The second position and the third position may be the same or different.

4. The bypassable water purifier according to claim 3, characterized in that, The first fluid control plane has a first opening that communicates with the raw water chamber, a second opening that communicates with the purified water chamber, a third opening that communicates with the inlet water channel, a fourth opening that communicates with the outlet water channel, and a fifth opening that communicates with the wastewater channel. The moving valve plate is provided with a first chamber, a second chamber, and a third chamber that are not interconnected. The first chamber, the second chamber, and the third chamber are respectively connected to a second fluid control plane. In the filtration state, the third opening and the first opening are connected through the first chamber, and the fourth opening and the second opening are connected through the second chamber. In the backwashing state, the first opening and the fifth opening are connected through the first chamber. In the bypass state, the third opening and the fourth opening are connected through the third chamber.

5. The bypassable water purifier according to claim 4, characterized in that, The first chamber, the second chamber, and the third chamber are formed between the top of the moving valve plate and the inner wall of the cavity, while the other two are formed by an upward recessed extension from the bottom of the moving valve plate; or The first chamber, the second chamber, and the third chamber are all formed by the upward concave extension of the bottom of the moving valve plate.

6. The bypassable water purifier according to any one of claims 4 to 5, characterized in that, The connected body includes: An annular connector, comprising a fixed outer ring and a connecting inner ring, wherein the fixed outer ring is fixedly installed in the upper housing; A fixed valve is installed on the annular connector, the first fluid control plane is disposed on the top surface of the fixed valve, the bottom surface of the fixed valve is provided with a raw water inlet inside the connecting inner ring, and the bottom surface of the fixed valve is provided with a clean water inlet between the fixed outer ring and the connecting inner ring. The filter element has an installation protrusion on its top so that when the upper housing is installed on the lower housing, the connecting inner ring is fitted onto the installation protrusion, thereby connecting the raw water chamber with the raw water outlet and the purified water chamber with the purified water outlet.

7. The bypassable water purifier according to claim 6, characterized in that, The fixed valve includes: A structural component, which is positioned and mounted on the annular connector. A fixed valve plate is mounted on the structural component for limiting its position, and the first fluid control plane is disposed on the top surface of the fixed valve plate.

8. The bypassable water purifier according to claim 7, characterized in that, The structural component has a first channel, a second channel, a third channel, a fourth channel, and a fifth channel. The structural component has a water inlet, a water outlet, and a wastewater outlet on its side wall. The first channel connects the first opening to the raw water outlet, the second channel connects the second opening to the clean water outlet, the third channel connects the water inlet to the third opening, the fourth channel connects the fourth opening to the water outlet, and the fifth channel connects the fifth opening to the wastewater outlet.

9. The bypassable water purifier according to any one of claims 1 to 4, characterized in that, The moving valve plate is also provided with a handle, the top of the upper housing is provided with a clearance hole, the top of the moving valve plate is provided with a connecting post, the connecting post passes through the clearance hole and extends out of the upper housing, the handle is detachably connected to the top of the moving valve plate, and by turning the handle to rotate the moving valve plate, the water purifier is switched to the filtration state, backwash state or bypass state.

10. The bypassable water purifier according to any one of claims 1 to 4, characterized in that, The inner sidewall of the bottom of the lower housing is provided with multiple support ribs spaced circumferentially. Each support rib has a limiting step to form an installation platform. The lower end of the filter element abuts against the installation platform, and an accommodating space is formed between the lower end of the filter element and the bottom wall of the lower housing. An air bladder is disposed within this accommodating space; or An installation post is provided between the bottom of the filter element and the bottom wall of the lower housing. An air bladder is provided on the installation post, and an installation hole is formed in the middle of the air bladder so that the air bladder can be sleeved on the installation post through the installation hole for installation.

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