CN216513172U - Multi-stage assembled large-flow composite water filter element - Google Patents

Abstract

The utility model discloses a multi-stage assembled large-flow composite water filter element, and relates to the technical field of filtering and purifying water. The utility model comprises a filter shell, a first ceramic filter element pipe and a bottom cover, wherein a limiting plate is fixedly welded at the upper end of the inner side of the filter shell, the bottom cover is fixedly screwed at the bottom end of the filter shell, a warning lamp is fixedly clamped at the outer peripheral surface of the bottom cover, the first ceramic filter element pipe is inserted and connected at the inner side of the filter shell, a second ceramic filter element pipe is clamped and connected at the inner side of the first ceramic filter element pipe, a third ceramic filter element pipe is clamped and connected at the inner side of the second ceramic filter element pipe, and an RO reverse osmosis filter element is clamped and connected at the inner side of the third ceramic filter element pipe. According to the utility model, through the filter shell, the first ceramic filter element pipe and the bottom cover, the problems that the existing composite water filter element is difficult to disassemble the filter element body in actual use, only can be integrally replaced, certain waste is likely to exist, the filter material is difficult to adjust according to requirements, the filter element does not have a self-checking function, and the filter element is difficult to repair and replace in time are solved.

Description

Multi-stage assembled large-flow composite water filter element

Technical Field

The utility model belongs to the technical field of filtering and water purifying, and particularly relates to a multi-stage assembled large-flow composite water filter element.

Background

A filter element, it is a simple and convenient device for purifying the original fluid resource and separating resource, the filter element is mainly used in the oil filtration, air filtration, water filtration and other filtration industries, the filter element separates the solid particles in the liquid or gas, or makes the different material components fully contact, quickens the reaction time, can protect the normal work of the equipment or the cleanness of the air, when the fluid enters the filter element with a certain specification filter screen, the impurity is blocked, and the clean fluid flows out through the filter element, in the process of filtering the water, in order to ensure the cleanness of the water without impurity, especially in the industrial production, domestic water or scientific experiment, the requirement for the water quality is different, therefore, the multi-stage filter element is usually used to filter the water quality, in order to ensure the water quality to reach the use standard, but it still has the following disadvantages in the actual use:

1. the traditional composite filter element can be quickly replaced in use without using tools, but the composite filter element body is difficult to disassemble in the actual use process, the composite filter element body can only be integrally replaced in disassembly and assembly, and partial structure of the composite filter element can still be used, so that certain waste is caused;

2. most filter materials of the existing composite water filter element are fixed when the filter element is produced, the filter elements are difficult to adjust according to the requirements of users, the flow rate of water is sometimes required to be ensured when the industrial production is carried out, the smooth and efficient operation such as the industrial production is ensured, the filter element is likely to reduce the water flow efficiency due to the blockage after the filter element is used for a long time, the composite water filter element does not have a self-checking device, and workers are difficult to replace and overhaul in time, so that the production efficiency is reduced.

Therefore, the existing multi-stage assembled large-flow composite water filter element cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-stage assembled large-flow composite water filter element, which solves the problems that the existing composite water filter element is difficult to split a filter element body in actual use, only can be integrally replaced, possibly has certain waste, a filtering material is difficult to adjust according to requirements, the filter element does not have a self-checking function, and a worker is difficult to overhaul and replace in time through a filter shell, a first ceramic filter element pipe and a bottom cover.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a multi-stage assembled high-flow composite water filter element, which comprises a filter shell, a first ceramic filter element pipe and a bottom cover, wherein a limiting plate is welded and fixed at the upper end of the inner side of the filter shell, the position of the first ceramic filter element pipe in the filter shell can be limited through the limiting plate, the first ceramic filter element pipe is prevented from shaking due to rapid water flow, the use stability is improved, the bottom cover is screwed and fixed at the bottom end of the filter shell, a warning lamp is clamped and fixed on the outer peripheral surface of the bottom cover, the water flow speed in the multi-stage assembled high-flow composite water filter element can be monitored through a flow speed sensor, and a worker is reminded through the warning lamp when the water flow speed is reduced, so that the worker can clean and replace the first ceramic filter element pipe in time, the production efficiency is improved, the first ceramic filter element pipe is inserted into the inner side of the filter shell, and a second ceramic filter element pipe is clamped and connected to the inner side of the first ceramic filter element pipe, the inboard joint of second pottery filter element pipe has third pottery filter element pipe, the inboard joint of third pottery filter element pipe has RO reverse osmosis filter core, can carry out the split when changing between first pottery filter element pipe, second pottery filter element pipe, third pottery filter element pipe and the RO reverse osmosis filter core, and the staff of being convenient for clears up each part, and the intraductal filtering material of first pottery filter element pipe, second pottery filter element pipe and third pottery filter element can be changed as required, improves the flexibility of using greatly.

Furthermore, a water inlet pipe is welded on the upper side of the filter shell in a penetrating mode, the limiting plate is suspended at the lower end of the water inlet pipe, a water through opening is formed in the edge of the upper side of the limiting plate in a penetrating mode, and a first threaded groove is formed in the bottom end of the outer peripheral surface of the filter shell;

the filter shell and the bottom cover can be connected and fixed in a screwing mode through the first thread groove, the disassembly and the assembly are simple and quick, the use convenience is improved, the position of the first ceramic filter element pipe can be limited through the limiting plate, the first ceramic filter element pipe is prevented from shaking in the filter device due to the fact that water flow is fast, and the use stability is improved.

Furthermore, a first threaded ring is fixedly clamped at the upper end of the first ceramic filter element pipe, a first sealing cover is fixedly screwed at the upper end of the outer peripheral surface of the first threaded ring, a first sealing ring is fixedly clamped at the bottom end of the first ceramic filter element pipe, a first filter tank is arranged at the upper end of the first ceramic filter element pipe, a first slot is arranged at the bottom end of the first ceramic filter element pipe, and the first filter tank is positioned on the outer peripheral surface of the first slot;

the surface through first ceramic filter element pipe can filter impurity such as great silt, can carry out the second filtration to water through filling filtering material in first filter tank inboard, and filtering material can adjust the change as required, improves the flexibility of using.

Furthermore, a second threaded ring is fixedly clamped at the upper end of the second ceramic filter element pipe, a second sealing cover is fixedly screwed at the upper end of the outer peripheral surface of the second threaded ring, a second sealing ring is fixedly clamped at the bottom end of the second ceramic filter element pipe, a second filter tank is arranged at the upper end of the second ceramic filter element pipe, a second slot is arranged at the bottom end of the second ceramic filter element pipe, and the second filter tank is positioned on the outer peripheral surface of the second slot;

the water can be filtered for the third time by filling the filtering material in the second filtering groove, and the filtering material can be replaced by screwing the second sealing cover, so that the cost for replacing the water filter is reduced, and the production efficiency is improved.

Furthermore, a third threaded ring is fixedly clamped at the upper end of the third ceramic filter element pipe, a third sealing cover is fixedly screwed at the upper end of the outer peripheral surface of the third threaded ring, a third sealing ring is fixedly clamped at the bottom end of the third ceramic filter element pipe, a third filter tank is arranged at the upper end of the third ceramic filter element pipe, a third slot is arranged at the bottom end of the third ceramic filter element pipe, and the third filter tank is positioned on the outer peripheral surface of the third slot;

through filling filtering material in the third filter tank inboard can carry out the fourth to water and filter to can change the inboard filtering material of third filter tank as required, improve the flexibility of using.

Furthermore, a fourth sealing ring is fixedly clamped at the bottom end of the RO reverse osmosis filter element, the RO reverse osmosis filter element is inserted into the inner side of a third slot of a third ceramic filter element tube, the fourth sealing ring is clamped into the inner side of a third sealing ring of the third ceramic filter element tube, the third ceramic filter element tube is inserted into the inner side of a second slot of a second ceramic filter element tube, the third sealing ring is clamped into the inner side of a second sealing ring of the second ceramic filter element tube, the second ceramic filter element tube is inserted into the inner side of a first slot of the first ceramic filter element tube, and the second sealing ring is clamped into the inner side of a first sealing ring of the first ceramic filter element tube;

first pottery filter core pipe, second pottery filter core pipe, third pottery filter core pipe and RO reverse osmosis filter core can need right at the staff the utility model provides a carry out the split when wasing the change, avoid because the part still can use the waste that leads to, reduction in production cost.

Furthermore, a connecting ring is rotatably clamped at the upper end of the outer peripheral surface of the bottom cover, a second thread groove is formed in the upper end of the inner side of the connecting ring, an insertion pipe is fixedly welded at the upper end of the inner side of the bottom cover, a water outlet pipe penetrates through the bottom end of the bottom cover and is welded, and a flow velocity sensor is fixedly clamped at the upper end of the outer peripheral surface of the water outlet pipe;

the inside control assembly that is provided with of bottom, the velocity of flow of water and with signal transmission to control assembly when can monitoring through the outlet pipe through velocity of flow sensor, can control the warning light through control assembly and light and indicate the staff when the velocity of flow drops to the threshold value of settlement, is convenient for in time change, guarantees filtration efficiency.

Furthermore, the insertion tube of the bottom cover is inserted into the bottom end of the inner side of the RO reverse osmosis filter element, the limiting plate is attached to the upper end of the first sealing cover of the first ceramic filter element tube, the connecting ring of the bottom cover is screwed and fixed to the bottom end of the outer peripheral surface of the filter shell, and the second thread groove of the connecting ring is screwed and fixed to the outer peripheral surface of the first thread groove of the filter shell;

when the filter is disassembled and assembled, the filter shell and the bottom cover can be quickly separated only by screwing the connecting ring, and the first ceramic filter element pipe can be directly inserted on the upper side of the insertion pipe, so that the disassembly and the assembly are simple and quick, and the labor intensity of workers is reduced.

The utility model has the following beneficial effects:

1. the first ceramic filter element pipe is arranged, so that the problems that the composite filter element body is difficult to disassemble in the actual use process, the composite filter element body can only be integrally replaced when the composite filter element body is disassembled and the composite filter element body can still be used possibly to cause certain waste due to the fact that the existing composite filter element can be rapidly replaced without tools for disassembling and assembling, and when the filter element needs to be replaced, the first ceramic filter element pipe, the second ceramic filter element pipe, the third ceramic filter element pipe and the RO reverse osmosis filter element can be rapidly separated from each other, so that local replacement is facilitated, and waste caused by integral replacement is avoided.

2. The utility model solves the problems that most of the filtering materials of the existing composite water filter element are fixed during the production of the filter element and are difficult to adjust according to the requirements of users, and the flow rate of water is sometimes required to be ensured during the industrial production so as to ensure the smooth and efficient proceeding of the industrial production and the like, but after the composite water filter element is used for a long time, the water flow efficiency is reduced possibly due to the blockage at the inner side of the filter element, the composite water filter element does not have a self-checking device, the workers are difficult to replace and overhaul in time, and the production efficiency is reduced, the first ceramic filter element pipe, the second ceramic filter element pipe and the third ceramic filter element pipe can be opened by screwing the first sealing cover, the second sealing cover and the third sealing cover, the filtering materials filled at the inner side can be conveniently replaced, the filtering materials can be adjusted according to the requirements, and the use flexibility is improved, simultaneously, the flow velocity sensor and the warning lamp which pass through the bottom cover can prompt workers after the flow velocity is reduced, so that the workers can be conveniently and timely replaced, and the filtering efficiency is ensured.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a structural effect diagram of the present invention;

FIG. 3 is a block diagram of a filter housing of the present invention;

FIG. 4 is a structural view of a first ceramic filter element tube according to the present invention;

FIG. 5 is a cross-sectional view of a first ceramic filter element tube according to the present invention;

FIG. 6 is a cross-sectional view of a second ceramic filter element tube according to the present invention;

fig. 7 is a sectional view of a third ceramic filter element tube according to the present invention;

FIG. 8 is a view showing the construction of the bottom cover of the present invention;

fig. 9 is a bottom view of the bottom cover of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a filter housing; 101. a water inlet pipe; 102. a limiting plate; 103. a water inlet; 104. a first thread groove; 2. a first ceramic filter element tube; 201. a second ceramic filter element tube; 202. a third ceramic filter element tube; 203. an RO reverse osmosis filter element; 204. a first seal ring; 205. a second seal ring; 206. a third seal ring; 207. a fourth seal ring; 208. a first threaded ring; 209. a first sealing cover; 210. a first filter tank; 211. a first slot; 212. a second threaded ring; 213. a second sealing cover; 214. a second filter tank; 215. a second slot; 216. a third threaded ring; 217. a third sealing cover; 218. a third filter tank; 219. a third slot; 3. a bottom cover; 301. a connecting ring; 302. a warning light; 303. inserting a tube; 304. a second thread groove; 305. a water outlet pipe; 306. a flow rate sensor.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-9, the utility model relates to a multi-stage assembled high-flow composite water filter element, which comprises a filter shell 1, a first ceramic filter element tube 2 and a bottom cover 3, wherein the upper end of the inner side of the filter shell 1 is fixedly welded with a limiting plate 102, the position of the first ceramic filter element tube 2 in the filter shell 1 can be limited by the limiting plate 102, the first ceramic filter element tube 2 is prevented from shaking caused by fast water flow, the bottom end of the filter shell 1 is fixedly screwed with the bottom cover 3, the outer peripheral surface of the bottom cover 3 is fixedly clamped with a warning lamp 302, the water flow speed passing through the multi-stage assembled high-flow composite water filter element can be monitored by a flow speed sensor 306, and the working personnel can be reminded by the warning lamp 302 when the water flow speed is reduced, so that the working personnel can clean and replace the first ceramic filter element tube 2 in time, the first ceramic filter element tube 2 is inserted in the inner side of the filter shell 1, the inboard joint of first pottery filter element pipe 2 has second pottery filter element pipe 201, the inboard joint of second pottery filter element pipe 201 has third pottery filter element pipe 202, the inboard joint of third pottery filter element pipe 202 has RO reverse osmosis filter core 203, first pottery filter element pipe 2, second pottery filter element pipe 201, can split when changing between third pottery filter element pipe 202 and the RO reverse osmosis filter core 203, the staff of being convenient for clears up each part, and first pottery filter element pipe 2, the filtering material in second pottery filter element pipe 201 and the third pottery filter element pipe 202 can be changed as required.

As shown in fig. 2-3, a water inlet pipe 101 is welded on the upper side of the filter housing 1 in a penetrating manner, a limiting plate 102 is suspended at the lower end of the water inlet pipe 101, a water through port 103 is arranged on the edge of the upper side of the limiting plate 102 in a penetrating manner, and a first thread groove 104 is arranged at the bottom end of the outer peripheral surface of the filter housing 1;

the connecting ring 301 is screwed on the outer peripheral surface of the first thread groove 104, so that the filter shell 1 and the bottom cover 3 can be screwed and fixed, the disassembly and the assembly are simple and quick, the position of the first ceramic filter element pipe 2 can be limited by the limiting plate 102, and the first ceramic filter element pipe 2 is prevented from shaking in the utility model due to quick water flow.

As shown in fig. 4-7, a first threaded ring 208 is fixed to the upper end of the first ceramic filter core tube 2 in a clamped manner, a first sealing cover 209 is fixed to the upper end of the outer peripheral surface of the first threaded ring 208 in a screwed manner, a first sealing ring 204 is fixed to the bottom end of the first ceramic filter core tube 2 in a clamped manner, a first filter tank 210 is arranged at the upper end of the first ceramic filter core tube 2, a first slot 211 is arranged at the bottom end of the first ceramic filter core tube 2, the first filter tank 210 is located on the outer peripheral surface of the first slot 211, a second threaded ring 212 is fixed to the upper end of the second ceramic filter core tube 201 in a clamped manner, a second sealing cover 213 is fixed to the upper end of the outer peripheral surface of the second threaded ring 212 in a screwed manner, a second sealing ring 205 is fixed to the bottom end of the second ceramic filter core tube 201 in a clamped manner, a second filter tank 214 is arranged at the upper end of the second ceramic filter core tube 201, the second filter tank 215 is arranged on the outer peripheral surface of the second ceramic filter core tube 215, a third threaded ring 216 is fixedly clamped at the upper end of the third ceramic filter element pipe 202, a third sealing cover 217 is fixedly screwed at the upper end of the outer peripheral surface of the third threaded ring 216, a third sealing ring 206 is fixedly clamped at the bottom end of the third ceramic filter element pipe 202, a third filter tank 218 is arranged at the upper end of the third ceramic filter element pipe 202, a third slot 219 is arranged at the bottom end of the third ceramic filter element pipe 202, and the third filter tank 218 is positioned on the outer peripheral surface of the third slot 219;

the outer surface through first ceramic filter element pipe 2 can filter impurity such as great silt, can carry out multistage filtration to water through filling filtering material in first filter tank 210, second filter tank 214 and third filter tank 218 inboard, and filtering material can adjust the change as required, makes quality of water reach the required standard of production.

As shown in fig. 1-2, a fourth sealing ring 207 is fixed to the bottom end of the RO reverse osmosis filter element 203 in a clamping manner, the RO reverse osmosis filter element 203 is inserted into the inner side of a third slot 219 of a third ceramic filter element tube 202, the fourth sealing ring 207 is inserted into the inner side of a third sealing ring 206 of the third ceramic filter element tube 202, the third ceramic filter element tube 202 is inserted into the inner side of a second slot 215 of a second ceramic filter element tube 201, the third sealing ring 206 is inserted into the inner side of a second sealing ring 205 of the second ceramic filter element tube 201, the second ceramic filter element tube 201 is inserted into the inner side of a first slot 211 of the first ceramic filter element tube 2, and the second sealing ring 205 is inserted into the inner side of a first sealing ring 204 of the first ceramic filter element tube 2;

first ceramic filter element pipe 2, second ceramic filter element pipe 201, third ceramic filter element pipe 202 and RO reverse osmosis filter core 203 can need right at the staff the utility model provides a carry out the split when wasing the change, and can twist first sealed lid 209, the sealed lid 213 of second and the sealed lid 217 of third to change filtering material soon, avoid because the part still can use the waste that leads to, reduction in production cost.

As shown in fig. 1, 2, 8 and 9, the upper end of the outer peripheral surface of the bottom cover 3 is rotatably clamped with a connecting ring 301, the upper end of the inner side of the connecting ring 301 is provided with a second thread groove 304, the upper end of the inner side of the bottom cover 3 is fixedly welded with an insertion tube 303, the bottom end of the bottom cover 3 is welded with a water outlet pipe 305 in a penetrating manner, the upper end of the outer peripheral surface of the water outlet pipe 305 is fixedly clamped with a flow velocity sensor 306, the insertion tube 303 of the bottom cover 3 is inserted into the bottom end of the inner side of the RO reverse osmosis filter element 203, the limiting plate 102 is attached to the upper end of the first sealing cover 209 of the first ceramic filter element pipe 2, the connecting ring 301 of the bottom cover 3 is screwed and fixed to the bottom end of the outer peripheral surface of the filter housing 1, and the second thread groove 304 of the connecting ring 301 is screwed and fixed to the outer peripheral surface of the first thread groove 104 of the filter housing 1;

the control assembly is arranged in the bottom cover 3, the flow velocity of water passing through the water outlet pipe 305 can be monitored through the flow velocity sensor 306, signals are transmitted to the control assembly, the warning lamp 302 can be controlled to light through the control assembly to prompt workers when the flow velocity is reduced to a set threshold value, and the workers can be conveniently and timely replaced.

One specific application of this embodiment is: when the RO filter is used for the first time, the first sealing cover 209, the second sealing cover 213 and the third sealing cover 217 are screwed and opened, corresponding filtering materials are filled on the inner sides of the first filtering tank 210, the second filtering tank 214 and the third filtering tank 218 according to requirements, so that water can reach the required standard after filtering, the use flexibility is greatly improved, the RO reverse osmosis filter element 203 is clamped on the inner side of the third ceramic filter element pipe 202, the third ceramic filter element pipe 202 is clamped on the inner side of the second ceramic filter element pipe 201, the second ceramic filter element pipe 201 is clamped on the inner side of the first ceramic filter element pipe 2 to complete the assembly, the operation is simple and quick, the RO reverse osmosis filter element can be disassembled during replacement, the local replacement is convenient, the production cost is reduced, the first ceramic filter element pipe 2 is inserted on the upper side of the insertion pipe 303 and inserted on the inner side of the bottom end of the filter shell 1, so that the top end of the first ceramic filter element pipe 2 is attached to the bottom side of the limiting plate 102, the first ceramic filter element pipe 2 is prevented from shaking on the inner side of the filter due to fast water flow, the use stability is improved, the bottom cover 3 is installed by screwing the connecting ring 301, the filter is powered on and started through a power supply connecting wire, water enters the inner side of the filter shell 1 through the water inlet pipe 101 and is filtered for the first time through the outer peripheral surface of the first ceramic filter element pipe 2 to filter large impurities such as silt in the water, the second time filtration is carried out through the filtering material in the first ceramic filter element pipe 2, the third time filtration is carried out through the second ceramic filter element pipe 201, the fourth time filtration is carried out through the third ceramic filter element pipe 202, the fifth time filtration is carried out through the RO reverse osmosis filter element 203 to ensure the filtration effect, so that the water flowing out through the water outlet pipe 305 meets the production requirement, the flow rate of the water flowing through the water outlet pipe 305 can be monitored through the flow rate sensor 306, and transmit the signal to the bottom 3 inboard, bottom 3 control warning light 302 lights and indicates the staff when the velocity of flow drops to the threshold value, and the change in time of being convenient for guarantees filtration efficiency.

The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.

Claims (8)

1. The utility model provides a large-traffic compound water filter core of multistage equipment, includes filter housing (1), first pottery filter core pipe (2) and bottom (3), its characterized in that: the utility model discloses a filter, including filter housing (1), filter shell (1), filter housing (1) inboard upper end welded fastening has limiting plate (102), filter housing (1) bottom connects soon and is fixed with bottom (3), bottom (3) outer peripheral face joint is fixed with warning light (302), filter housing (1) inboard is pegged graft and is had first ceramic filter element pipe (2), first ceramic filter element pipe (2) inboard joint has second ceramic filter element pipe (201), second ceramic filter element pipe (201) inboard joint has third ceramic filter element pipe (202), third ceramic filter element pipe (202) inboard joint has RO reverse osmosis filter element (203).

2. The multi-stage assembled high-flow composite water filter element according to claim 1, wherein a water inlet pipe (101) is welded to the upper side of the filter housing (1) in a penetrating manner, the limiting plate (102) is suspended at the lower end of the water inlet pipe (101), a water through opening (103) is formed in the edge of the upper side of the limiting plate (102) in a penetrating manner, and a first thread groove (104) is formed in the bottom end of the outer peripheral surface of the filter housing (1).

3. The multistage-assembled large-flow composite water filter element according to claim 1, wherein a first threaded ring (208) is fixed to the upper end of the first ceramic filter element tube (2) in a clamped manner, a first sealing cover (209) is fixed to the upper end of the outer peripheral surface of the first threaded ring (208) in a screwed manner, a first sealing ring (204) is fixed to the bottom end of the first ceramic filter element tube (2) in a clamped manner, a first filter tank (210) is formed in the upper end of the first ceramic filter element tube (2), a first insertion slot (211) is formed in the bottom end of the first ceramic filter element tube (2), and the first filter tank (210) is located on the outer peripheral surface of the first insertion slot (211).

4. The multi-stage assembled high-flow composite water filter element according to claim 1, wherein a second threaded ring (212) is fixed to the upper end of the second ceramic filter element tube (201) in a clamped manner, a second sealing cover (213) is fixed to the upper end of the outer circumferential surface of the second threaded ring (212) in a screwed manner, a second sealing ring (205) is fixed to the bottom end of the second ceramic filter element tube (201) in a clamped manner, a second filter tank (214) is formed in the upper end of the second ceramic filter element tube (201), a second slot (215) is formed in the bottom end of the second ceramic filter element tube (201), and the second filter tank (214) is located on the outer circumferential surface of the second slot (215).

5. The multistage-assembled high-flow composite water filter element according to claim 1, wherein a third threaded ring (216) is fixed to the upper end of a third ceramic filter element tube (202) in a clamped manner, a third sealing cover (217) is fixed to the upper end of the outer peripheral surface of the third threaded ring (216) in a screwed manner, a third sealing ring (206) is fixed to the bottom end of the third ceramic filter element tube (202) in a clamped manner, a third filter tank (218) is formed in the upper end of the third ceramic filter element tube (202), a third slot (219) is formed in the bottom end of the third ceramic filter element tube (202), and the third filter tank (218) is located on the outer peripheral surface of the third slot (219).

6. The multi-stage assembled high-flow composite water filter element according to claim 1, a fourth sealing ring (207) is clamped and fixed at the bottom end of the RO reverse osmosis filter element (203), the RO reverse osmosis filter element (203) is inserted into the inner side of a third slot (219) of a third ceramic filter element pipe (202), the fourth sealing ring (207) is clamped and connected with the inner side of a third sealing ring (206) of a third ceramic filter element pipe (202), the third ceramic filter element pipe (202) is inserted into the inner side of the second slot (215) of the second ceramic filter element pipe (201), the third sealing ring (206) is clamped and connected with the inner side of the second sealing ring (205) of the second ceramic filter element pipe (201), the second ceramic filter element pipe (201) is inserted into the inner side of the first slot (211) of the first ceramic filter element pipe (2), and the second sealing ring (205) is clamped and connected with the inner side of the first sealing ring (204) of the first ceramic filter element pipe (2).

7. The multi-stage assembled high-flow composite water filter element according to claim 1, wherein a connecting ring (301) is rotatably clamped at the upper end of the outer peripheral surface of the bottom cover (3), a second thread groove (304) is formed at the upper end of the inner side of the connecting ring (301), an insertion pipe (303) is fixedly welded at the upper end of the inner side of the bottom cover (3), a water outlet pipe (305) is welded at the bottom end of the bottom cover (3) in a penetrating manner, and a flow velocity sensor (306) is fixedly clamped at the upper end of the outer peripheral surface of the water outlet pipe (305).

8. The multi-stage assembled high-flow composite water filter element according to claim 1, wherein the insertion tube (303) of the bottom cover (3) is inserted into the bottom end of the inner side of the RO reverse osmosis filter element (203), the limiting plate (102) is attached to the upper end of the first sealing cover (209) of the first ceramic filter element tube (2), the connection ring (301) of the bottom cover (3) is screwed and fixed to the bottom end of the outer peripheral surface of the filter housing (1), and the second thread groove (304) of the connection ring (301) is screwed and fixed to the outer peripheral surface of the first thread groove (104) of the filter housing (1).

Images