Waterway system

Abstract

The invention relates to the field of water purification, and provides a waterway system which comprises a partition plate, a booster pump, a raw water tank, a pure water tank, a water purifier, a total dissolved solid measuring instrument and a concentrated water valve, the water purifier is provided with a water inlet end, a concentrated water outlet end and a pure water outlet end, the partition plate partitions the inner bottom face of the raw water tank, and the booster pump is arranged on the inner bottom face of the pure water tank. The raw water tank is divided into a raw water tank and a concentrated water tank, the input end of the booster pump is communicated into the raw water tank through a pipeline, the output end of the booster pump is communicated to the water inlet end through a pipeline, and the two ends of the concentrated water valve are communicated to the concentrated water tank and the concentrated water outlet end through pipelines respectively. The purified water outlet end is communicated to the input end of the purified water tank through a water outlet pipe, the total dissolved solid measuring instrument is arranged on the water outlet pipe, and the total dissolved solid measuring instrument is used for detecting liquid flowing through the water outlet pipe quickly. Concentrated water circulation can be utilized, and water resources can be effectively saved.

Description

Technical Field

[0001] The present disclosure relates to the field of water purification, and in particular to a waterway system. Background Art

[0002] Desktop water purifiers are usually equipped with a filtration system that can effectively remove impurities, residual chlorine, heavy metals, bacteria, viruses and other harmful components in tap water to ensure the cleanliness and safety of drinking water.

[0003] The water system of the tabletop water purifier will produce a certain amount of concentrated water during operation, which is due to the RO reverse osmosis technology it uses. This technology is a liquid concentration process, during which part of the water along with the impurities and salts in it are retained by the filter membrane, thus producing concentrated water.

[0004] In the current design of desktop water purifiers, the concentrated water tank and the raw water tank are usually set separately, resulting in low utilization of the concentrated water, which in turn increases the frequency of replenishing raw water, causing inconvenience to users.

[0005] In this field, raw water is usually tap water. In this field, concentrated water can also be called concentrated water or wastewater. Summary of the invention

[0006] The technical problem to be solved by the present disclosure is to solve at least one of the technical problems mentioned above.

[0007] The solution to the technical problem disclosed in the present invention is:

[0008] A water system comprises a partition plate, a booster pump, a raw water tank, a pure water tank, a water purifier, a total dissolved solids meter and a concentrated water valve, wherein the water purifier is provided with a water inlet, a concentrated water outlet and a purified water outlet, the partition plate divides the inner bottom surface of the raw water tank so that the raw water tank is divided into a raw water tank and a concentrated water tank, the input end of the booster pump is connected to the raw water tank through a pipeline, the output end of the booster pump is connected to the water inlet through a pipeline, the two ends of the concentrated water valve are respectively connected to the concentrated water tank and the concentrated water outlet through pipelines, the purified water outlet is connected to the input end of the pure water tank through an outlet pipe, the total dissolved solids meter is arranged on the outlet pipe, and the total dissolved solids meter is used to detect the liquid flowing through the outlet pipe at a high speed.

[0009] As a further improvement of the above technical solution, the water system also includes a kettle and a diaphragm pump, the input end of the diaphragm pump is connected to the water outlet end of the pure water tank through a pipe, and the output end of the diaphragm pump is connected to the kettle through a pipe.

[0010] As a further improvement of the above technical solution, the water system also includes a heating device, the output end of the kettle is connected to the input end of the heating device through a pipeline, and the heating device is used to heat water.

[0011] As a further improvement of the above technical solution, the water system further includes a water vapor separation box, and the input end of the water vapor separation box is connected to the output end of the heating device through a pipeline.

[0012] As a further improvement of the above technical solution, a check valve is provided on the water outlet pipe, and the check valve is used to allow the water flowing out of the clean water outlet to flow to the clean water tank in one direction.

[0013] As a further improvement of the above technical solution, the water purifier includes a filter element and a base, the filter element is detachably arranged on the base, the water inlet end, the concentrated water outlet end and the purified water outlet end are respectively arranged on the base, the filter element is provided with a tap water inlet, a drinking water outlet and a concentrated water outlet, the water inlet end is inserted into the tap water inlet, the concentrated water outlet end is inserted into the concentrated water outlet, and the purified water outlet end is inserted into the drinking water outlet.

[0014] As a further improvement of the above technical solution, the water purifier also includes a handle, a first limit block and a hook assembly. The base is provided with a mounting hole, the filter element is inserted into the mounting hole, the filter element and the mounting hole can slide relative to each other, the first limit block is fixed to the handle, and the hook assembly is arranged on the base; the hook assembly is used to limit and fix the first limit block to limit the filter element in the mounting hole, the handle is connected to the filter element through a rotating shaft, and the handle and the filter element can rotate relative to the axis of the rotating shaft, so that the first limit block is disengaged from the limit of the hook assembly or is limited by the hook assembly.

[0015] As a further improvement of the above technical solution, the hook assembly includes a first connecting shaft, a tension spring, a swing arm and a limit hook, the first connecting shaft is fixed on the base, the swing arm is provided with a first axial hole, the first connecting shaft is inserted into the first axial hole, the first axial hole and the first connecting shaft can rotate relative to each other, the limit hook is fixed on the swing arm, a limit space is set between the limit hook and the first connecting shaft, the limit space is used to hook the first limit block to limit the first limit block, one end of the tension spring is connected to the swing arm, and the other end of the tension spring is connected to the base.

[0016] As a further improvement of the above technical solution, the hook assembly also includes a second limit block, which is fixed on the base. The tension spring and the second limit block are located on the same side of the swing arm, and the second limit block is used to limit the swing arm to limit the stroke of the swing arm.

[0017] As a further improvement of the above technical solution, the surface of the limiting hook facing away from the bottom of the mounting hole is called the top surface of the limiting hook, and a first guiding inclined surface is provided on the top surface of the limiting hook near the side of the tension spring.

[0018] As a further improvement of the above technical solution, a second guide chamfer is provided on the first limit block, and the surface of the first limit block facing the bottom of the mounting hole is called a guide surface, and the second guide chamfer is arranged on the edge of the guide surface close to the limit hook.

[0019] As a further improvement of the above technical solution, the hook assembly further includes a pressure cover, which is detachably connected to the base and is used to limit the swing arm along the direction of the first connecting axis.

[0020] As a further improvement of the above technical solution, the filter element is provided with a first protrusion block, the base is provided with a guide groove, the guide groove is arranged on the inner wall of the mounting hole, the first protrusion block is inserted into the guide groove, and the first protrusion block and the guide groove are slidably matched.

[0021] As a further improvement of the above technical solution, the length of the guide groove extends along the depth direction of the mounting hole, and the length of the guide groove gradually decreases from shallow to deep along the depth of the mounting hole.

[0022] As a further improvement of the above technical solution, the rotating shaft is fixed on the handle, a first installation space is opened in the filter element, a second axial hole connected to the first installation space is opened on the filter element, and the rotating shaft passes through the second axial hole and extends into the first installation space.

[0023] As a further improvement of the above technical solution, the water system also includes a locking block, a spring and a button. The handle is provided with a slot, one end of the spring is connected to the base, and the other end of the spring is connected to the button. The button and the base are relatively slidably connected, the locking block is fixed on the button, and the locking block is inserted into the slot.

[0024] As a further improvement of the above technical solution, a recessed portion is provided on the inner wall of the mounting hole, so that a first space is formed at the recessed portion, one end of the spring is connected to the inner bottom surface of the recessed portion, and the other end of the spring is connected to the locking block, and a barrier strip is provided at the opening of the recessed portion, and the barrier strip separates the opening of the recessed portion to form a first guide hole and a second guide hole connected to the first space, the locking block is arranged at the first guide hole, and the locking block and the first guide hole can slide relative to each other, the button is inserted into the second guide hole, and the button and the second guide hole can slide relative to each other, and a first sink is provided on the surface of the filter element facing away from the mounting hole, the first sink extends to a side surface of the filter element, and the button faces the side wall of the first sink.

[0025] As a further improvement of the above technical solution, the handle is arranged in a C shape, and the two ends of the C-shaped handle are respectively connected to the filter element through a rotating shaft. A second recess is provided in the middle of the bottom surface of the handle facing the mounting hole, and the button extends into the space of the second recess.

[0026] As a further improvement of the above technical solution, a second protrusion block is provided on the handle. When the handle is rotated so that the first limit block is separated from the hook assembly, the second protrusion block abuts against the base to drive the filter element to move away from the bottom of the installation hole.

[0027] As a further improvement of the above technical solution, the filter element includes an outer shell, a pre-filter material and a reverse osmosis composite filter material, a second installation space is provided on the outer shell, the pre-filter material and the reverse osmosis composite filter material are both arranged in the second installation space, the tap water inlet, the drinking water outlet and the concentrated water outlet are all arranged on the outer shell, and the tap water inlet, the drinking water outlet and the concentrated water outlet are all connected to the second installation space; under the drive of the booster pump, the raw water of the raw water tank passes through the water inlet end and enters the second installation space from the tap water inlet, and the raw water entering the second installation space first passes through the pre-filter material to obtain primary filtered water, and the primary filtered water is divided into concentrated water flowing out of the concentrated water outlet and pure water flowing out of the drinking water outlet through the reverse osmosis action of the reverse osmosis composite filter material.

[0028] As a further improvement of the above technical solution, the pre-filter material includes a first non-woven fabric, a scale inhibitor layer, a first carbon fiber layer, activated carbon, and a PP melt-blown layer in sequence from the direction of water flow.

[0029] As a further improvement of the above technical solution, the reverse osmosis composite filter material includes a reverse osmosis membrane, a first filter layer, a second carbon fiber layer and a second filter layer in sequence in the direction from raw water to raw water.

[0030] As a further improvement of the above technical solution, the filter element also includes an upper end cover and a lower end cover, the upper end cover and the lower end cover are respectively arranged in the second installation space, the pre-filter material is arranged in an annular shape, the reverse osmosis composite filter material is arranged in an annular shape, the reverse osmosis composite filter material is arranged on the annular inner side of the annular pre-filter material, the upper end cover covers one end of the annular pre-filter material and the annular reverse osmosis composite filter material, the lower end cover covers the other end of the annular pre-filter material and the annular reverse osmosis composite filter material, the pre-filter material separates the second installation space, an annular first cavity is formed between the pre-filter material, the upper end cover, the lower end cover and the inner wall of the shell, a second cavity is formed between the pre-filter material, the reverse osmosis composite filter material, the upper end cover and the lower end cover, a third cavity is formed between the annular inner side of the annular composite filter material and the upper end cover and the lower end cover, the tap water inlet is connected to the first cavity, the concentrated water outlet is connected to the second cavity, and the drinking water outlet is connected to the third cavity.

[0031] As a further improvement of the above technical solution, the partition plate divides the bottom area of ​​the raw water tank so that the volume ratio of the raw water tank and the concentrated water tank is four to one.

[0032] The beneficial effect of the present disclosure is that the water system includes a partition plate, which divides the raw water tank into two parts: a raw water tank and a concentrated water tank. The booster pump transports the water in the raw water tank to the water inlet of the water purifier. The water purifier filters water through RO reverse osmosis technology to produce purified water and concentrated water. The concentrated water valve connects the concentrated water tank and the concentrated water outlet of the water purifier, allowing the concentrated water to flow back to the water purifier, thereby reducing the direct production of concentrated water. The total dissolved solids meter is used to detect the liquid in the water outlet pipe to ensure that the water quality meets the standards. In this way, the system can recycle part of the concentrated water, reduce the consumption of raw water, and reduce the frequency of users replenishing raw water. The water system in the present disclosure can effectively improve the utilization rate of concentrated water and save water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 is an axonometric view of a clean water tank and a filter in one embodiment of the present disclosure.

[0034] Figure 2 It is an exploded view of a clean water tank and filter in one embodiment of the present disclosure.

[0035] Figure 3 This disclosure Figure 2 Magnified view of J in .

[0036] Figure 4 This disclosure Figure 2 Magnified view of K in .

[0037] Figure 5 is a schematic diagram of a fracture of a filter in one embodiment of the present disclosure.

[0038] Figure 6 This disclosure Figure 5 Axonometric view of the section at BB in .

[0039] Figure 7 This disclosure Figure 6 Enlarged view of M in .

[0040] Figure 8 is a schematic diagram of a fracture of a filter in one embodiment of the present disclosure.

[0041] Fig. 9 This disclosure Figure 8 Axonometric view of the section at CC in .

[0042] Fig.10 is an axonometric view of a handle in one embodiment of the present disclosure.

[0043] Fig.11 It is a schematic diagram of the connection structure of the water system disclosed in the present invention.

[0044] Fig.12 It is a schematic structural diagram of the upper end cover, the lower end cover, the pre-filter material and the reverse osmosis composite filter material disclosed in the present invention.

[0045] In the accompanying drawings: 1-base, 11-mounting hole, 111-recessed portion, 1111-first guide hole, 1112-second guide hole, 12-guide groove, 2-filter element, 20-first sink, 21-first protruding block, 23-water inlet, 231-tap water inlet, 24-concentrated water outlet, 241-concentrated water outlet, 25-purified water outlet, 251-drinking water outlet, 26-upper end cover, 27-lower end cover, 3-handle, 31-slot, 32-second protruding block, 33-rotating shaft, 4-first limiting block, 41-second guide chamfer, 51-first connecting shaft, 52-tension spring, 53-swing arm, 54-limiting hook, 541-first guide inclined surface, 5 5-second limit block, 56-pressure cover, 61-locking block, 62-spring, 63-button, 72-raw water tank, 721-partition plate, 7211-raw water tank, 7212-concentrated water tank, 73-pure water tank, 74-water purifier, 75-boosting pump, 76-water vapor separation box, 77-check valve, 79-diaphragm pump, 8-pre-filter material, 81-first non-woven fabric, 82-scaling agent layer, 83-first carbon fiber layer, 84-activated carbon, 85-PP melt-blown layer, 9-reverse osmosis composite filter material, 91-reverse osmosis membrane, 92-first filter layer, 93-second carbon fiber layer, 94-second filter layer, 95-heating device, 96-total dissolved solids measuring instrument. DETAILED DESCRIPTION

[0046] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the above briefly describes the drawings required for use in the description of the embodiments. Obviously, the drawings described are only part of the embodiments of the present disclosure, not all of the embodiments, and those skilled in the art can also obtain other design solutions and drawings based on these drawings without creative work.

[0047] The following will clearly and completely describe the concept, specific structure and technical effects of the present disclosure in combination with the embodiments and drawings, so as to fully understand the purpose, characteristics and effects of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, not all of them. Based on the embodiments of the present disclosure, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the present disclosure. In addition, all the connection / connection relationships mentioned in the text do not simply refer to the direct connection of components, but refer to the formation of a better connection structure by adding or reducing connection accessories according to the specific implementation situation. The various technical features in the present disclosure can be combined interchangeably without conflicting with each other.

[0048] The tabletop water purifier will produce a certain proportion of concentrated water when running its water system, which is attributed to the RO reverse osmosis technology it uses. This technology is a liquid concentration process in which part of the water along with the impurities and salts in it are retained by the filter membrane, thus producing concentrated water.

[0049] In the current design of desktop water purifiers, the concentrated water tank and the raw water tank 72 are usually set independently, which results in low utilization rate of concentrated water, thereby increasing the frequency of replenishing raw water, causing inconvenience to users.

[0050] Please refer to Figures 1 to 12 The present disclosure provides a water system, which includes a partition plate 721, a booster pump 75, a raw water tank 72, a pure water tank 73, a water purifier 74, a total dissolved solids meter and a concentrated water valve. The water purifier 74 is provided with a water inlet 23, a concentrated water outlet 24 and a purified water outlet 25. The partition plate 721 separates the inner bottom surface of the raw water tank 72, so that the raw water tank 72 is divided into a raw water tank 7211 and a concentrated water tank 7212. The input end of the booster pump 75 is connected to the raw water tank 7211 through a pipeline, and the output end of the booster pump 75 is connected to the water inlet 23 through a pipeline. The two ends of the concentrated water valve are respectively connected to the concentrated water tank 7212 and the concentrated water outlet 24 through pipelines. The purified water outlet 25 is connected to the input end of the pure water tank 73 through a water outlet pipe. The total dissolved solids meter is arranged on the water outlet pipe, and the total dissolved solids meter is used to detect the liquid flowing through the water outlet pipe.

[0051] The present invention improves the utilization rate of concentrated water by improving the water system design of a desktop water purifier. Specifically, the water system includes a partition plate 721, which divides the raw water tank 72 into two parts: a raw water tank 7211 and a concentrated water tank 7212. The booster pump 75 transports the water in the raw water tank 7211 to the water inlet end 23 of the water purifier 74. The water purifier 74 filters water through RO reverse osmosis technology to produce clean water and concentrated water. The concentrated water valve connects the concentrated water tank 7212 and the concentrated water outlet end 24 of the water purifier 74, allowing the concentrated water to flow back to the water purifier 74, thereby reducing the direct production of concentrated water. The total dissolved solids meter is used to detect the liquid in the water outlet pipe to ensure that the water quality meets the standard. In this way, the system can recycle part of the concentrated water, reduce the consumption of raw water, and reduce the frequency of users replenishing raw water.

[0052] In actual use, the ratio of pure water to concentrated water produced by the water purifier 74 of the present disclosure is approximately three to one.

[0053] Before use, both the concentrated water tank 7212 and the raw water tank 7211 are filled with raw water. During use, concentrated water is continuously produced and flows back into the concentrated water tank 7212, so that the water in the concentrated water tank 7212 overflows into the raw water tank 7211 to achieve the reuse of concentrated water.

[0054] A total dissolved solids meter is also referred to in the art as a TDS meter.

[0055] When the TDS meter reaches the preset value, in order to avoid overloading the filter element 2 of the water purifier 74, the user needs to empty the concentrated water in the concentrated water tank 7212 and fill it with raw water.

[0056] In order to facilitate users to extract raw water, in one embodiment, the water system further includes a kettle and a diaphragm pump 79. The input end of the diaphragm pump 79 is connected to the water outlet end of the pure water tank 73 through a pipeline, and the output end of the diaphragm pump 79 is connected to the kettle through a pipeline. This structure is simple and easy to set up.

[0057] In order to facilitate the user to heat the pure water, in one embodiment, the water system further includes a heating device 95, the output end of the kettle is connected to the input end of the heating device 95 through a pipe, and the heating device 95 is used to heat the water. The water system is additionally provided with a heating device 95, which is connected to the output port of the kettle through a pipe, and its main function is to heat the water flowing through so that the user can obtain heated water.

[0058] In order to prevent users from being scalded by high-temperature steam and to ensure that the water flow rate and water shape of the water purifier 74 are stable, in one embodiment, the water system further includes a water vapor separation box 76, and the input end of the water vapor separation box 76 is connected to the output end of the heating device 95 through a pipeline. In practical applications, the water vapor separation box 76 is installed downstream of the heating device 95. Its main function is to separate high-temperature steam and water and distribute them evenly to prevent users from being scalded by high-temperature steam. In addition, it can also ensure that the water flow rate and water flow shape of the water purifier 74 remain stable.

[0059] In order to prevent the water in the clean water tank from flowing back to the water purifier 74, in one embodiment, a check valve 77 is provided on the water outlet pipe, and the check valve 77 is used to make the water flowing out of the clean water outlet end 25 flow to the clean water tank in one direction. The structure is simple and the arrangement is convenient.

[0060] The water purifier 74 is used to purify raw water. In one embodiment, the water purifier 74 includes a filter element 2 and a base 1. The filter element 2 is detachably arranged on the base 1. The water inlet 23, the concentrated water outlet 24 and the purified water outlet 25 are respectively arranged on the base 1. The filter element 2 is provided with a tap water inlet 231, a drinking water outlet 251 and a concentrated water outlet 241. The water inlet 23 is inserted into the tap water inlet 231, the concentrated water outlet 24 is inserted into the concentrated water outlet 241, and the purified water outlet 25 is inserted into the drinking water outlet 251. The filter element 2 is detachably arranged on the base 1. After the filter element 2 reaches the end of its service life, the user can replace the filter element 2.

[0061] The current connection between the filter element 2 and the water purifier mainly relies on threaded fit. Therefore, when replacing the filter element 2, it is usually necessary to screw the filter element 2 to separate it from the water purifier. However, the threaded connection method will generate vibration when the water purifier is in operation, which will exert pressure on the threaded connection point. Over time, this pressure may cause local plastic deformation on the threaded contact surface. The gradual accumulation of this strain will increase the preload force, and eventually make it more difficult to disassemble the filter element 2 after it reaches its service life.

[0062] To this end, in one embodiment, the water purifier 74 also includes a handle 3, a first limit block 4 and a hook assembly. A mounting hole 11 is provided on the base 1, and the filter element 2 is inserted into the mounting hole 11. The filter element 2 and the mounting hole 11 can slide relative to each other. The first limit block 4 is fixed on the handle 3, and the hook assembly is arranged on the base 1; the hook assembly is used to limit and fix the first limit block 4 to limit the filter element 2 in the mounting hole 11. The handle 3 is connected to the filter element 2 through a rotating shaft 33. The handle 3 and the filter element 2 can rotate relative to the axis of the rotating shaft 33, so that the first limit block 4 is disengaged from the limit of the hook assembly or is limited by the hook assembly.

[0063] By adopting a non-threaded connection method, the problem of local plastic deformation of the threaded contact surface caused by vibration is successfully avoided, allowing the filter element 2 to slide smoothly. The user only needs to turn the handle 3 to easily fix or release the filter element 2 without the need for a screwing operation, which greatly simplifies the locking and unlocking process. In practical applications, the filter element 2 can be directly installed on the filter element 2, thereby simplifying the steps of replacing the filter element 2. In addition, the design of the hook assembly and the first limit block 4 ensures the stability of the filter element 2 during installation and removal, and effectively prevents loosening caused by vibration.

[0064] When installing or removing the filter element 2, the filter element 2 and the mounting hole 11 can be relatively slidably connected. Of course, the filter element 2 can be withdrawn from the mounting hole 11 or inserted into the mounting hole 11 from outside the mounting hole 11. If the initial state is: the filter element 2 is inserted to the bottom of the mounting hole 11, the first limit block 4 on the handle 3 is limited by the hook assembly to limit the filter element 2 from sliding in the direction of withdrawing from the mounting hole 11. The filter element 2 is usually installed on the filter element 2. When the user needs to maintain the filter element 2, the filter element 2 needs to be withdrawn from the mounting hole 11 together with the filter element 2. At this time, the user can rotate the handle 3 around the axis of the rotating shaft 33, so that the first limit block 4 fixed on the handle 3 rotates around the axis of the rotating shaft 33 along with the handle 3. Since there is a certain distance between the first limit block and the axis of the rotating shaft 33, technicians in this field can adjust the distance between the axis of the rotating shaft 33 and the first limit block 4 at the beginning of the design, so that when the user rotates the handle 3, the first limit block 4 can be separated from the limit range of the hook assembly, so that the user can directly lift the handle 3 to pull the filter element 2 out of the mounting hole 11.

[0065] When the filter element 2 is inserted to the bottom of the mounting hole 11, the first limit block 4 on the handle 3 can be limited by the hook assembly. If the hook assembly cannot move, it will result in the need to manually rotate the handle 3 during the process of inserting the filter element 2 to the bottom of the mounting hole 11, so that the first limit block 4 on the handle 3 avoids the hook assembly, so as to avoid interference between the hook assembly and the first limit block 4 during the process of inserting the filter element 2 into the mounting hole 11. After the filter element 2 is fully inserted into the bottom of the mounting hole 11, the handle 3 is manually rotated again, so that the first limit block 4 on the handle 3 swings to the area limited by the hook assembly, thereby preventing the filter element 2 from accidentally exiting the mounting hole 11.

[0066] Although this design can realize a non-threaded connection mode, the filter element 2 can easily enter or exit the mounting hole 11 by adjusting the handle 3. However, this method still has room for improvement. For example, when the filter element 2 is inserted into the bottom of the mounting hole 11, it is still necessary to manually make the first limit block 4 and the hook assembly avoid.

[0067] To this end, in one embodiment, the hook assembly includes a first connecting shaft 51, a tension spring 52, a swing arm 53 and a limit hook 54. The first connecting shaft 51 is fixed on the base 1. The swing arm 53 is provided with a first axial hole. The first connecting shaft 51 is inserted into the first axial hole. The first axial hole and the first connecting shaft 51 can rotate relative to each other. The limit hook 54 is fixed on the swing arm 53. A limit space is set between the limit hook 54 and the first connecting shaft 51. The limit space is used to hook the first limit block 4 to limit the first limit block 4. One end of the tension spring 52 is connected to the swing arm 53, and the other end of the tension spring 52 is connected to the base 1.

[0068] The first connecting shaft 51 is fixed on the base 1, and the swing arm 53 is provided with a first shaft hole. The first connecting shaft 51 and the first shaft hole cooperate with each other through the shaft hole, allowing the swing arm 53 and the first connecting shaft 51 to achieve relative rotation. Assuming that the depth direction of the mounting hole 11 is vertical, that is, along the up-down direction, the length direction of the first connecting shaft 51 is horizontal, that is, along the front-back direction. In the initial natural state of the swing arm 53, its length direction is also vertical, that is, extending in the up-down direction, and the limit hook 54 is located above the first shaft hole.

[0069] When the user needs to insert the filter element 2 to the bottom of the mounting hole 11, the filter element 2 can be inserted into the mounting hole 11. If the first limit block 4 on the handle 3 has not been adjusted to a position that avoids the limit hook 54, then when the first limit block 4 contacts the limit hook 54, the external force applied by the user will push the filter element 2 to move toward the bottom of the mounting hole 11, forcing the limit block and the swing arm 53 connected thereto to rotate around the first connecting shaft 51. In the process of the limit block rotating around the first connecting shaft 51, it overcomes the tension of the tension spring 52, causing the tension spring 52 to be stretched. Once the filter element 2 is fully inserted into the bottom of the mounting hole 11, the swing arm 53 will return to the initial position under the elastic restoring force of the tension spring 52, and the elastic restoring force of the tension spring 52 will also push the first limit block 4 to move it within the limit range of the limit hook 54.

[0070] The length of the tension spring 52 in its natural state may change after long-term use, so that the swing arm 53 may be located at a different position in the natural state of the tension spring 52, which will affect the position of the limit hook 54. The limit hook 54 may fail to limit the first limit block 4.

[0071] Therefore, in one embodiment, the hook assembly further includes a second limit block 55, which is fixed on the base 1, and the tension spring 52 and the second limit block 55 are located on the same side of the swing arm 53, and the second limit block 55 is used to limit the swing arm 53 to limit the travel of the swing arm 53. In this way, the tension spring 52 can be designed to always maintain elastic potential energy, so that the tension spring 52 always generates a pulling force on the swing arm 53, so that in a natural state, the swing arm 53 is attached to the second limit block 55, thereby ensuring that the limit hook 54 maintains a fixed position in a natural state.

[0072] In the process of the user inserting the filter element 2 into the bottom of the mounting hole 11, when the first limit block 4 and the limit hook 54 are in contact, it is possible that due to the contact angle between the first limit block 4 and the limit hook 54, the force acting on the limit hook 54 fails to generate a component force to rotate the limit hook 54 around the first connecting shaft 51, thereby causing the first limit block 4 and the limit hook 54 to become stuck. To this end, in one embodiment, the surface of the limit hook 54 facing away from the bottom of the mounting hole 11 is called the top surface of the limit hook 54, and the top surface of the limit hook 54 is provided with a first guide inclined surface 541 near the side of the tension spring 52. The structure is simple and convenient to set up. The first guide inclined surface 541 is provided on the limit hook 54. When the first guide inclined surface 541 and the first limit block 4 are in contact, a force to rotate the limit hook 54 can be generated through the first guide inclined surface 541, thereby avoiding the phenomenon of being stuck.

[0073] In order to further enable the first limit block 4 and the first guide inclined surface 541 to smoothly move relative to each other when they are in contact, in one embodiment, the first limit block 4 is provided with a second guide chamfer 41, the surface of the first limit block 4 facing the bottom of the mounting hole 11 is called the guide surface, and the second guide chamfer 41 is provided on the edge of the guide surface close to the limit hook 54. When in use, the second guide chamfer 41 contacts the first guide inclined surface 541, so that the limit hook 54 rotates around the first connecting shaft 51.

[0074] The swing arm 53 is sleeved on the first connecting shaft 51 through the shaft hole. If the swing arm 53 is not limited along the axial direction of the first connecting shaft 51, there is a risk that the swing arm 53 will be separated from the first connecting shaft 51. However, if the swing arm 53 is limited, it will no longer be able to separate from the first connecting shaft 51, and the difficulty of its inspection and maintenance will increase. Therefore, in one embodiment, the hook assembly also includes a pressure cover 56, and the pressure cover 56 and the base 1 are detachably connected, and the pressure cover 56 is used to limit the swing arm 53 along the direction of the first connecting shaft 51. By adopting a detachable matching connection between the pressure cover 56 and the base 1, the pressure cover 56 applies a limit to the swing arm 53 along the axial direction of the first connecting shaft 51 to ensure that the swing arm 53 is on the first connecting shaft 51.

[0075] Optionally, the gland 56 and the base 1 are connected by screws. In addition, the gland 56 and the base 1 can also be connected and fixed by elastic buckles. Of course, both methods can achieve a detachable and matched connection between the gland 56 and the base 1.

[0076] The positions of the water inlet 23, the concentrated water outlet 24 and the clean water outlet 25 on the water purifier 74 are usually fixed relative to the filter element 2. For example, in some embodiments, the tap water inlet 231, the drinking water outlet 251 and the concentrated water outlet 241 correspond to the water inlet 23, the clean water outlet 25 and the concentrated water outlet 24, respectively. Therefore, after the filter element 2 is inserted into the mounting hole 11, it is necessary to ensure that the relative angle between the filter element 2 and the base 1 remains consistent each time the filter element 2 is inserted into the mounting hole 11. To this end, in one embodiment, a first protrusion block 21 is provided on the filter element 2, and a guide groove 12 is provided on the base 1. The guide groove 12 is arranged on the inner wall of the mounting hole 11, and the first protrusion block 21 is inserted into the guide groove 12, and the first protrusion block and the guide groove 12 are slidably matched. The structure is simple and convenient to set up. When the filter element 2 is inserted into the mounting hole 11, the first protrusion 21 on the filter element 2 needs to be inserted into the guide groove 12. For example, the guide groove 12 has a limiting and guiding effect on the first protrusion 21 to ensure that the relative angle between the filter element 2 and the base 1 remains the same each time the filter element 2 is inserted into the mounting hole 11. In addition, the first protrusion 21 cooperates with the guide groove 12 to effectively limit the relative rotation between the filter element 2 and the mounting hole 11, especially when the part of the filter element 2 inserted into the mounting hole 11 is set as a rotating body, for example, the part of the filter element 2 inserted into the mounting hole 11 is set as a cylindrical shape, etc.

[0077] The guide groove 12 is used to guide and limit the first protrusion block 21. In order to facilitate the operator to easily insert the first protrusion block 21 into the guide groove 12, in one embodiment, the length of the guide groove 12 extends along the depth direction of the mounting hole 11, and the length of the guide groove 12 gradually decreases from shallow to deep along the depth of the mounting hole 11.

[0078] Since the length of the guide groove 12 gradually decreases along the depth of the mounting hole 11 , the width of the first protruding block 21 at the entrance of the guide groove 12 is relatively large, and can effectively play a guiding role.

[0079] The handle 3 and the filter element 2 are connected by a rotating shaft 33, so that the handle 3 and the filter element 2 can rotate relative to each other. In one embodiment, the rotating shaft 33 is fixed on the handle 3, a first installation space is provided in the filter element 2, a second shaft hole connected to the first installation space is provided on the filter element 2, and the rotating shaft 33 extends into the first installation space through the second shaft hole. The structure is simple and easy to set up. The rotating shaft 33 is inserted into the first installation space to ensure that the connection between the rotating shaft 33 and the filter element 2 is stable.

[0080] Furthermore, two second axial holes are provided, and the two ends of the handle 3 are respectively inserted into the second axial holes through the rotating shaft 33 in a one-to-one correspondence.

[0081] In one of the above-mentioned embodiments, by rotating the handle 3, the limiting hook 54 can limit the first limiting block 4, so that the filter element 2 is restricted in the mounting hole 11. However, during use, once the handle 3 is rotated, the filter element 2 may be unlocked immediately, causing the filter element 2 to accidentally slip out of the mounting hole 11. In one embodiment, the water system also includes a locking block 61, a spring 62 and a button 63. The handle 3 is provided with a card slot 31, one end of the spring 62 is connected to the base 1, and the other end of the spring 62 is connected to the button 63. The button 63 and the base 1 can be relatively slidably matched and connected, and the locking block 61 is fixed on the button 63, and the locking block 61 is inserted into the card slot 31.

[0082] When the first limit block 4 is in a state of being limited by the hook assembly, the filter element 2 will be limited in the mounting hole 11. A slot 31 is provided on the handle 3 for receiving the lock block 61. When the lock block 61 is inserted into the slot 31, the handle 3 is locked and cannot be rotated. The lock block 61, the spring 62 and the button 63 are arranged to lock the handle 3 to prevent the handle 3 from rotating, so that the handle 3 is kept within the limit range of the first limit block 4 being located in the hook assembly. In addition, the lock block 61 is fixed on the button 63, one end of the spring 62 is connected to the base 1, and the other end is connected to the button 63, and the button 63 can slide relatively on the base 1. When unlocking is required, the user can press the button 63 to overcome the elastic force of the spring 62, so that the lock block 61 is moved out of the slot 31, thereby allowing the handle 3 to rotate. When the button 63 is released, the spring 62 will push the button 63 and the lock block 61 back to their original positions and re-lock the handle 3.

[0083] In this way, its safety is effectively improved. Through the cooperation of the lock block 61 and the card slot 31, the handle 3 is effectively prevented from accidentally rotating in the non-operating state, thereby avoiding the risk of the filter element 2 accidentally slipping out, and improving the safety during use. In addition, the operation is convenient. When disassembly and assembly operations are required, the user only needs to simply press the button 63 to unlock the handle 3, which is simple and convenient to operate. At the same time, the structural stability: the use of the spring 62 ensures that the button 63 and the lock block 61 can be stably maintained in the locked position in the non-operating state, ensuring the stability of the structure.

[0084] Assuming that the depth direction of the mounting hole 11 extends in the up-down direction and the first connecting shaft 51 extends in the front-back direction, the expansion and contraction direction of the spring 62 may be in multiple directions such as the up-down direction, the front-back direction or the left-right direction. Those skilled in the art may adjust the mounting position according to actual conditions.

[0085] Based on this, in this embodiment, the spring 62 is installed in the direction of expansion and contraction along the left and right directions to save space and make the structure compact. In one embodiment, a recessed portion 111 is provided on the inner wall of the mounting hole 11, so that a first space is formed at the recessed portion 111, one end of the spring 62 is connected to the inner bottom surface of the recessed portion 111, and the other end of the spring 62 is connected to the lock block 61. A barrier strip is provided at the opening of the recessed portion 111, and the barrier strip separates the opening of the recessed portion 111 to form a first guide hole 1111 and a second guide hole 1112 connected to the first space. The lock block 61 is arranged at the first guide hole 1111, and the lock block 61 and the first guide hole 1111 can slide relative to each other. The button 63 is inserted in the second guide hole 1112, and the button 63 and the second guide hole 1112 can slide relative to each other. A first sink 20 is provided on the surface of the filter element 2 facing away from the mounting hole 11, and the first sink 20 extends to one side of the filter element 2, and the button 63 faces the side wall of the first sink 20.

[0086] In this embodiment, a recessed portion 111 is provided on the inner wall of the mounting hole 11 to form a first space, one end of the spring 62 is fixed to the inner bottom surface of the recessed portion 111, and the other end is connected to the locking block 61. A barrier strip is provided at the opening of the recessed portion 111 to separate the opening into two guide holes: a first guide hole 1111 and a second guide hole 1112. The locking block 61 is located at the first guide hole 1111 and can slide relative to it. The button 63 passes through the second guide hole 1112 and can also slide relative to it. A first sink 20 is provided on the surface of the filter element 2 facing away from the mounting hole 11, extending to one side of the filter element 2, and the side wall of the button 63 faces the first sink 20.

[0087] The spring 62 provides elastic force so that the lock block 61 can keep in contact with the inner wall of the recessed portion 111 or move under certain conditions. When the lock block 61 is located in the first guide hole 1111, it may cooperate with a specific part of the filter element 2 to achieve locking. By operating the button 63, the lock block 61 can be pushed to move, thereby achieving unlocking.

[0088] Since the lock block 61 and the button 63 slide relative to the respective first guide hole 1111 and the second guide hole 1112, precise control and positioning can be achieved to ensure the accuracy and reliability of the locking and unlocking actions. The design of the first sinking platform 20 allows the user's hand to press the button 63 through the sinking platform, and its structure is more compact, saving space, while ensuring the convenience of operation.

[0089] If the first depression 20 is directly opened on the filter element 2, and it is ensured that the depth of the first depression 20 can satisfy the user's pressing of the button 63 located near the inner side of the mounting hole 11, it is necessary to set the first depression 20 to a greater depth, which will invisibly increase the height of the filter element 2. To this end, in one embodiment, the handle 3 is set in a C-shape, and the two ends of the C-shaped handle 3 are respectively connected to the filter element 2 through the rotating shaft 33. The middle part of the surface of the handle 3 facing the bottom of the mounting hole 11 is provided with a second recess, and the button 63 extends into the space of the second recess. Through the setting of the second recess, the middle part of the handle 3 is set thinner, thereby reducing the shielding of the button 63 by the handle 3, so that the technician can reduce the depth of the depression accordingly when designing. In addition, through the setting of the second recess, it meets the ergonomic design, which can facilitate the user to hold the handle 3 at the second recess.

[0090] When the filter element 2 needs to be connected with other peripheral parts by plugging or other means, the user often needs to apply a large force to pull out the filter element 2 from the mounting hole 11, making the operation more laborious. In order to facilitate the user to remove the filter element 2 from the mounting hole 11, in one embodiment, a second protrusion block 32 is provided on the handle 3. When the handle 3 is turned so that the first limit block 4 is disengaged from the hook assembly, the second protrusion block 32 abuts against the base 1 to drive the filter element 2 to move away from the bottom of the mounting hole 11. When the filter element 2 needs to be removed from the mounting hole 11, the user can turn the handle 3 so that the second protrusion block 32 on the handle 3 contacts the base 1. By rotating the handle 3, the second protrusion portion applies pressure to the base 1, forming a labor-saving lever mechanism, thereby pushing the filter element 2 to move away from the bottom of the mounting hole 11. This design reduces the force that the user needs to apply when pulling out the filter element 2, making the disassembly process more convenient.

[0091] The filter element 2 is used to filter the raw water. In one embodiment, the filter element 2 includes a housing, a pre-filter material 8 and a reverse osmosis composite filter material 9, a second installation space is provided on the housing, the pre-filter material 8 and the reverse osmosis composite filter material 9 are both arranged in the second installation space, the tap water inlet 231, the drinking water outlet 251 and the concentrated water outlet 241 are all arranged on the housing, the tap water inlet 231, the drinking water outlet 251 and the concentrated water outlet 241 are all connected to the second installation space; driven by the booster pump 75, the raw water of the raw water tank 72 passes through the water inlet end 23 and enters the second installation space from the tap water inlet 231, the raw water entering the second installation space first passes through the pre-filter material 8 to obtain the primary filtered water, and the primary filtered water is divided into the concentrated water flowing out of the concentrated water outlet 241 and the pure water flowing out of the drinking water outlet 251 through the reverse osmosis action of the reverse osmosis composite filter material 9.

[0092] The raw water is initially filtered by the pre-filter material 8, which effectively removes large particles of impurities, suspended matter and some harmful substances in the water, and provides a cleaner water source for the reverse osmosis composite filter material 9. The reverse osmosis composite filter material 9 uses reverse osmosis technology to effectively remove dissolved salts, heavy metals, bacteria, viruses and other tiny particles in the water, ensuring that the produced pure water meets the drinking water standard. Combined with the pre-filtration and the reverse osmosis composite filter material 9, multiple filtration of the raw water is achieved to improve the filtration efficiency and water quality. The second installation space on the shell concentrates the pre-filter material 8 and the reverse osmosis composite filter material 9, making the filter element 2 compact and easy to install and maintain. In a certain embodiment, the first installation space is also arranged in the second installation space, and the first installation space and the second installation space are independent of each other. Driven by the booster pump 75, the raw water in the raw water tank 72 can smoothly pass through the filter element 2, ensuring the continuity and stability of the filtration process. After reverse osmosis, the raw water is separated into concentrated water and pure water. The concentrated water is discharged through the concentrated water outlet 241, while the pure water is provided to users through the drinking water outlet 251, thereby achieving effective separation and utilization of water.

[0093] The pre-filter material 8 can be used for preliminary filtration of raw water, and can effectively remove large particle impurities, suspended matter and some harmful substances in the water. In one embodiment, the pre-filter material 8 includes a first non-woven fabric 81, a scale inhibitor layer 82, a first carbon fiber layer 83, activated carbon 84, and a PP melt-blown layer 85 in the direction of water flow. The pre-filter material 8 adopts a multi-layer filtration technology. First, the first non-woven fabric 81 effectively intercepts sediment, suspended matter and large particle impurities to ensure the initial purification of water quality. Then, the scale inhibitor layer 82 plays a role in dispersing insoluble inorganic salts to prevent them from precipitating and scaling, thereby avoiding clogging subsequent filter materials. The third layer uses the first carbon fiber to further remove odor, pigment, residual chlorine and organic matter in the water and improve the taste of the water. The activated carbon 84 layer is deeply purified to remove residual chlorine and organic matter remaining in the water to ensure the purity and safety of drinking water. In addition, the PP melt-blown layer 85 intercepts the front-end carbon powder to prevent it from affecting the performance of subsequent filter materials and ensure the efficient operation of the entire filtration system.

[0094] The reverse osmosis composite filter material 9 utilizes reverse osmosis technology to effectively remove dissolved salts, heavy metals, bacteria, viruses and other tiny particles in the water, ensuring that the produced pure water meets the drinking water standard. In one embodiment, the reverse osmosis composite filter material 9 includes a reverse osmosis membrane 91, a first filter layer 92, a second carbon fiber layer 93 and a second filter layer 94 in the direction from raw water to raw water. First, the function of the first filter layer 92 is to isolate the carbon fiber from the RO membrane to prevent the RO membrane from being scratched or blocked. Next, the carbon fiber layer is located after the first layer, which deeply removes residual chlorine and organic matter in the water, while increasing the trace elements in the effluent water, thereby significantly improving the taste of the drinking water. Finally, the second filter layer 94 ensures that the particles in the carbon fiber layer will not be lost into the drinking water outlet 251, avoiding the increase in the turbidity of the effluent water and ensuring clear water quality.

[0095] In order to further make the installation structure compact and the space utilization rate high, in one embodiment, the filter element 2 also includes an upper end cover 26 and a lower end cover 27, the upper end cover 26 and the lower end cover 27 are respectively arranged in the second installation space, the pre-filter material 8 is arranged in an annular shape, the reverse osmosis composite filter material 9 is arranged in an annular shape, and the reverse osmosis composite filter material 9 is arranged on the annular inner side of the annular pre-filter material 8, the upper end cover 26 covers one end of the annular pre-filter material 8 and the annular reverse osmosis composite filter material 9, and the lower end cover 27 covers the annular pre-filter material 8 and the annular reverse osmosis composite filter material 9. At the other end of the material 9, the pre-filter material 8 separates the second installation space, and an annular first cavity is formed between the pre-filter material 8, the upper end cover 26, the lower end cover 27 and the inner wall of the shell. A second cavity is formed between the pre-filter material 8, the reverse osmosis composite filter material 9, the upper end cover 26 and the lower end cover 27. A third cavity is formed between the annular inner side of the annular composite filter material and the upper end cover 26 and the lower end cover 27. The tap water inlet 231 is connected to the first cavity, the concentrated water outlet 241 is connected to the second cavity, and the drinking water outlet 251 is connected to the third cavity. The structure is compact and has high space utilization. In the second installation space, the setting of the upper end cover 26 and the lower end cover 27, in conjunction with the annular pre-filter material 8 and the reverse osmosis composite filter material 9, together create a compact layout. The annular design not only makes full use of the limited space, but also the optimized configuration of the upper end cover 26 and the lower end cover 27 further reduces space waste. In addition, the pre-filter material 8 plays a partitioning role in the second installation space, which helps to effectively isolate different types of filter materials and ensure that they work independently, thereby improving the filtration efficiency. The multi-chamber design realizes multi-stage filtration through different cavities formed by the pre-filter material 8, the upper end cover 26, the lower end cover 27 and the inner wall of the shell. At the same time, the setting of the third cavity ensures the independence of the reverse osmosis process. The optimized design of the fluid channel enables the tap water inlet, the concentrated water outlet and the drinking water outlet to be connected to different cavities respectively, ensuring the reasonable distribution and efficient filtration of the water flow, while avoiding cross contamination. Reasonable cavity design and filter material layout ensure that the water flow undergoes sufficient pre-filtration and reverse osmosis treatment, thereby improving the overall filtration efficiency and water quality. In addition, the setting of the upper end cover and the lower end cover makes the assembly of the filter element convenient and can be easily assembled during the production of the filter element.

[0096] In order to stabilize the water purification load of the water purifier, in one embodiment, the partition plate divides the bottom area of ​​the raw water tank so that the volume ratio of the raw water tank and the concentrated water tank is four to one. Specifically, the ratio of pure water to concentrated water produced by the water system is 3:1. If the raw water tank is completely divided into two parts by the partition plate, one part is used as the raw water tank, occupying 75% of the volume of the raw water tank, and the other part is used as the concentrated water tank, occupying 25% of the volume of the raw water tank. The partition plate should be installed at approximately 1 / 4 of the bottom area of ​​the raw water tank, and its height should match the designed maximum liquid level height, so as to ensure that the filter element always bears a stable pollution load, that is, the inlet water concentration remains unchanged.

[0097] The preferred implementation modes of the present disclosure are specifically described above, but the present disclosure is not limited to the embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the present disclosure, and these equivalent modifications or substitutions are all included in the scope defined by the claims of the present application.

Claims

1. A waterway system, characterized in that: The invention comprises a partition plate (721), a booster pump (75), a raw water tank (72), a pure water tank (73), a water purifier (74), a total dissolved solids measuring instrument and a concentrated water valve. The water purifier (74) is provided with a water inlet (23), a concentrated water outlet (24) and a purified water outlet (25). The partition plate (721) divides the inner bottom surface of the raw water tank (72), so that the raw water tank (72) is divided into a raw water tank (7211) and a concentrated water tank (7212). The input end of the booster pump (75) is connected to the concentrated water tank (7211). The concentrated water tank (7211) is connected to the raw water tank (7211) through a pipeline, the output end of the booster pump (75) is connected to the water inlet end (23) through a pipeline, the two ends of the concentrated water valve are respectively connected to the concentrated water tank (7212) and the concentrated water outlet end (24) through pipelines, the clean water outlet end (25) is connected to the input end of the pure water tank (73) through an outlet pipe, and the total dissolved solids meter is located on the outlet pipe, and the total dissolved solids meter is used to detect the liquid flowing through the outlet pipe.

2. The waterway system according to claim 1, characterized in that: The water system also includes a kettle and a diaphragm pump (79), the input end of the diaphragm pump (79) is connected to the water outlet end of the pure water tank (73) through a pipeline, and the output end of the diaphragm pump (79) is connected to the kettle through a pipeline.

3. The waterway system according to claim 2, characterized in that: The water system also includes a heating device (95); the output end of the kettle is connected to the input end of the heating device (95) via a pipeline; the heating device (95) is used to heat water.

4. The waterway system according to claim 3, characterized in that: The water system also includes a water vapor separation box (76), the input end of the water vapor separation box (76) being connected to the output end of the heating device (95) via a pipeline.

5. The waterway system according to claim 1, characterized in that: The water outlet pipe is provided with a check valve (77), and the check valve (77) is used to allow water flowing out of the clean water outlet end (25) to flow to the clean water tank in one direction.

6. The waterway system according to claim 1, characterized in that: The water purifier (74) comprises a filter element (2) and a base (1); the filter element (2) is detachably arranged on the base (1); the water inlet (23), the concentrated water outlet (24) and the purified water outlet (25) are respectively arranged on the base (1); the filter element (2) is provided with a tap water inlet (231), a drinking water outlet (251) and a concentrated water outlet (241); the water inlet (23) is inserted into the tap water inlet (231), the concentrated water outlet (24) is inserted into the concentrated water outlet (241), and the purified water outlet (25) is inserted into the drinking water outlet (251).

7. The waterway system according to claim 6, characterized in that: The water purifier (74) further comprises a handle (3), a first limiting block (4) and a hook assembly; a mounting hole (11) is provided on the base (1); the filter element (2) is inserted into the mounting hole (11); the filter element (2) and the mounting hole (11) can slide relative to each other; the first limiting block (4) is fixed on the handle (3); the hook assembly is arranged on the base (1); the hook assembly is used to limit and fix the first limiting block (4) to limit the filter element (2) in the mounting hole (11); the handle (3) is connected to the filter element (2) via a rotating shaft (33); the handle (3) and the filter element (2) can slide relative to the rotating shaft (33) The axis of the filter element (2) is rotated so that the first limit block (4) is separated from the limit of the hook assembly or is limited by the hook assembly; the rotating shaft (33) is fixed to the handle (3); a first installation space is provided in the filter element (2); a second axial hole connected to the first installation space is provided on the filter element (2); the rotating shaft (33) passes through the second axial hole and extends into the first installation space; a second protruding block (32) is provided on the handle (3); when the handle (3) is rotated so that the first limit block (4) is separated from the hook assembly, the second protruding block (32) abuts against the base (1) to drive the filter element (2) to move in a bottom direction away from the installation hole (11).

8. The waterway system according to claim 7, characterized in that: The hook assembly comprises a first connecting shaft (51), a tension spring (52), a swing arm (53) and a limiting hook (54); the first connecting shaft (51) is fixed on the base (1); a first shaft hole is provided on the swing arm (53); the first connecting shaft (51) is inserted into the first shaft hole; the first shaft hole and the first connecting shaft (51) can rotate relative to each other; the limiting hook (54) is fixed on the swing arm (53); a limiting space is provided between the limiting hook (54) and the first connecting shaft (51); the limiting space is used to hook the first limiting block (4) to limit the first limiting block (4); one end of the tension spring (52) is connected to the swing arm (53); the other end of the tension spring (52) is connected to the base (1); the hook assembly also comprises a second limiting block (55); the second limiting block (55) is fixed on the base (1); the tension spring (52) The first limit block (4) and the second limit block (55) are located on the same side of the swing arm (53), and the second limit block (55) is used to limit the swing arm (53) to limit the stroke of the swing arm (53); the surface of the limit hook (54) facing away from the bottom of the mounting hole (11) is called the top surface of the limit hook (54), and the top surface of the limit hook (54) is provided with a first guide inclined surface (541) near the side of the tension spring (52); the first limit block (4) is provided with a second guide chamfer (41), and the surface of the first limit block (4) facing the bottom of the mounting hole (11) is called the guide surface, and the second guide chamfer (41) is provided on the edge of the guide surface near the limit hook (54); the hook assembly also includes a pressure cover (56), and the pressure cover (56) and the base (1) are detachably connected to each other, and the pressure cover (56) is used to limit the swing arm (53) along the direction of the first connecting axis (51).

9. The waterway system according to claim 7, characterized in that: The filter element (2) is provided with a first protruding block (21), the base (1) is provided with a guide groove (12), the guide groove (12) is arranged on the inner wall of the mounting hole (11), the first protruding block (21) is inserted into the guide groove (12), and the first protruding block and the guide groove (12) are slidably matched; the length of the guide groove (12) extends along the depth direction of the mounting hole (11), and the length of the guide groove (12) gradually decreases from shallow to deep along the depth of the mounting hole (11).

10. The waterway system according to claim 7, characterized in that: The waterway system further comprises a locking block (61), a spring (62) and a button (63); a slot (31) is provided on the handle (3); one end of the spring (62) is connected to the base (1), and the other end of the spring (62) is connected to the button (63); the button (63) and the base (1) are relatively slidably matched and connected; the locking block (61) is fixed on the button (63); the locking block (61) is inserted into the slot (31); a recessed portion (111) is provided on the inner wall of the mounting hole (11), so that a first space is formed at the recessed portion (111); one end of the spring (62) is connected to the inner bottom surface of the recessed portion (111), and the other end of the spring (62) is connected to the locking block (61); a barrier strip is provided at the opening of the recessed portion (111); the barrier strip separates the opening of the recessed portion (111) to form a first guide connecting to the first space The filter element (2) comprises a first guide hole (1111) and a second guide hole (1112), wherein the locking block (61) is arranged at the first guide hole (1111), and the locking block (61) and the first guide hole (1111) can slide relative to each other, the button (63) is inserted into the second guide hole (1112), and the button (63) and the second guide hole (1112) can slide relative to each other, and the filter element (2) is provided with a first guide hole on a surface facing away from the installation hole (11). A sink (20), wherein the first sink (20) extends to a side surface of the filter element (2), and the button (63) faces the side wall of the first sink (20); the handle (3) is arranged in a C shape, and the two ends of the C-shaped handle (3) are respectively connected to the filter element (2) through a rotating shaft (33), and a second recess is provided in the middle of the surface of the handle (3) facing the bottom of the mounting hole (11), and the button (63) extends into the space of the second recess.

11. The waterway system according to claim 6, characterized in that: The filter element (2) comprises a housing, a pre-filter material (8) and a reverse osmosis composite filter material (9); a second installation space is provided on the housing; the pre-filter material (8) and the reverse osmosis composite filter material (9) are both arranged in the second installation space; the tap water inlet (231), the drinking water outlet (251) and the concentrated water outlet (241) are all arranged on the housing; the tap water inlet (231), the drinking water outlet (251) and the concentrated water outlet (241) are all connected to the second installation space; under the drive of the booster pump (75), the raw water in the raw water tank (72) passes through the water inlet end (23) and enters the second installation space from the tap water inlet (231); the raw water entering the second installation space first passes through the pre-filter material (8) to obtain primary filtered water; the primary filtered water is separated into concentrated water flowing out of the concentrated water outlet (241) and pure water flowing out of the drinking water outlet (251) through the reverse osmosis action of the reverse osmosis composite filter material (9).

12. The waterway system according to claim 11, characterized in that: The pre-filter material (8) comprises, in order from the direction of water flow, a first non-woven fabric (81), a scale inhibitor layer (82), a first carbon fiber layer (83), activated carbon (84), and a PP melt-blown layer (85).

13. The waterway system according to claim 11, characterized in that: The reverse osmosis composite filter material (9) comprises, in order from raw water to raw water, a reverse osmosis membrane (91), a first filter layer (92), a second carbon fiber layer (93) and a second filter layer (94).

14. The waterway system according to claim 11, characterized in that: The filter element (2) further comprises an upper end cover (26) and a lower end cover (27), wherein the upper end cover (26) and the lower end cover (27) are respectively arranged in the second installation space, the pre-filter material (8) is arranged in an annular shape, the reverse osmosis composite filter material (9) is arranged in an annular shape, the reverse osmosis composite filter material (9) is arranged on the annular inner side of the annular pre-filter material (8), the upper end cover (26) covers one end of the annular pre-filter material (8) and the annular reverse osmosis composite filter material (9), the lower end cover (27) covers the other end of the annular pre-filter material (8) and the annular reverse osmosis composite filter material (9), the pre-filter material (8) and the annular reverse osmosis composite filter material (9) are arranged on the inner side of the annular pre-filter material (8), and the upper end cover (26) covers the inner side of the annular pre-filter material (8) and the annular reverse osmosis composite filter material (9). The filter material (8) separates the second installation space; an annular first cavity is formed between the pre-filter material (8), the upper end cover (26), the lower end cover (27) and the inner wall of the shell; a second cavity is formed between the pre-filter material (8), the reverse osmosis composite filter material (9), the upper end cover (26) and the lower end cover (27); a third cavity is formed between the inner side of the annular composite filter material and the upper end cover (26) and the lower end cover (27); the tap water inlet (231) is connected to the first cavity; the concentrated water outlet (241) is connected to the second cavity; and the drinking water outlet (251) is connected to the third cavity.

15. The waterway system according to claim 1, characterized in that: The partition plate (721) divides the bottom area of ​​the raw water tank (72) so that the volume ratio of the raw water tank (7211) and the concentrated water tank (7212) is four to one.

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