A water supply device with water purification function

Abstract

The utility model relates to a water supply device with a water purification function, comprising a first filter, the first filter comprising a filter tank body, a protective shell fixed on the top of the filter tank body, a filter cartridge fixed inside the filter tank body, a flow groove arranged between the top of the filter cartridge and the filter tank body, a sand discharge cavity arranged between the filter tank body and the filter cartridge, a sand discharge pipe fixed at one end of the bottom of the filter tank body and at a position corresponding to the sand discharge cavity, a water inlet pipe fixed at one end of the top of the filter tank body and located at the bottom of the flow groove, a sand inlet pipe fixed at the other end of the top of the filter tank body and located at the bottom of the flow groove, a water outlet pipe fixed at the other end of the bottom of the filter tank body, a filter plate arranged inside the filter cartridge, through holes evenly arranged on the filter plate, the filter plate fixed at the bottom of a lifting column, the filter plate slidably connected to the filter cartridge, the lifting column slidably connected to the filter tank body and the protective shell; the utility model can solve the problem that the existing water supply device is inconvenient to replace quartz sand in the filter equipment when it is in use.

Description

[Technical field]

[0001] The utility model relates to the technical field of water supply equipment, in particular to a water supply device with a water purification function. [Background Technology]

[0002] Direct drinking water, also known as healthy living water, refers to water that is directly drinkable and has no pollution or degradation, meets the physiological needs of the human body (contains beneficial mineral elements similar to those of the human body), and has a weakly alkaline pH value. It is mainly filtered using separation membrane devices to kill viruses and bacteria, and filter out discoloration, odor, residual chlorine, ozone, hydrogen sulfide, bacteria, viruses, and heavy metals in the water.

[0003] For example, the patent (CN206205056U) discloses a non-negative pressure water supply system, including a flow stabilizing tank, a water tank, a negative pressure prevention module, a booster pump group and a control cabinet. The municipal pipe network is connected to the flow stabilizing tank and the negative pressure prevention module in sequence through the first water supply branch; the municipal pipe network is connected to the water tank through the second water supply branch; the first water supply branch and the second water supply branch are connected in parallel; the booster pump group is arranged downstream of the common node of the first water supply branch and the second water supply branch, the user pipe network is connected to the booster pump group, and the control cabinet and the booster pump group are electrically connected; although the non-negative pressure water supply system can prevent water outages when the municipal pipe network pressure is unstable or the peak water consumption time is long, it is found that the following technical problems exist during use: it is not convenient to replace the quartz sand in the filter device during use. Therefore, it will be of great significance if a water supply device with water purification function can be provided to solve the above technical problems. [Contents of the utility model]

[0004] The purpose of the utility model is to solve the above-mentioned shortcomings and provide a water supply device with water purification function, which can solve the technical problem that the existing water supply device is inconvenient to replace the quartz sand in the filtering device during use.

[0005] In order to achieve the above-mentioned purpose, a water supply device with a water purification function is designed, including a first filter 6, wherein the first filter 6 includes a filter tank body 15, a filter cartridge 16, a sand discharge pipe 18, a water outlet pipe 19, a water inlet pipe 20, a sand inlet pipe 21, a filter plate 23, a lifting column 24 and a protective shell 25, wherein the top of the filter tank body 15 is fixed with a protective shell 25, the filter cartridge 16 is fixed inside the filter tank body 15, a flow groove is arranged between the top of the filter cartridge 16 and the top of the filter tank body 15, a sand discharge cavity 17 is opened between the filter tank body 15 and the filter cartridge 16, and a sand discharge pipe is fixed at one end of the bottom of the filter tank body 15 and at a position corresponding to the sand discharge cavity 17 18, a water inlet pipe 20 is fixed inside one end of the top of the filter tank body 15 and located at the bottom of the flow groove, a sand inlet pipe 21 is fixed inside the other end of the top of the filter tank body 15 and located at the bottom of the flow groove, a water outlet pipe 19 is fixed at a position at the bottom of the filter tank body 15 away from one end of the sand discharge pipe 18, a filter plate 23 is arranged inside the filter cylinder 16, through holes are evenly distributed on the filter plate 23, the filter plate 23 is fixed to the bottom end of the lifting column 24, and is lifted and lowered under the drive of the lifting column 24, the filter plate 23 is slidably connected to the inner wall of the filter cylinder 16, and the lifting column 24 is slidably connected to the filter tank body 15 and the top of the protective shell 25.

[0006] Furthermore, it also includes a tap water inlet pipe 1, a drainage pipe 2, a concentrated water discharge pipe 3 and a clean water pipe 4, the tap water inlet pipe 1 is connected to the first filter 6, the other side of the first filter 6 is connected to the second filter 7, the third filter 8 and the salt box 9 in sequence, a water pump 5 is installed on the pipe between the tap water inlet pipe 1 and the first filter 6, the drainage ports of the first filter 6, the second filter 7 and the third filter 8 are all connected to the drainage pipe 2, one side of the tap water inlet pipe 1 is also connected to a polypropylene melt-blown filter element tank 10, the polypropylene melt-blown filter element tank 10 is connected to a high-pressure pump 11 through a pipe, the other side of the high-pressure pump 11 is connected to a first filter membrane element 12 through a pipe, the other side of the first filter membrane element 12 is connected to a second filter membrane element 13, the other side of the second filter membrane element 13 is connected to the clean water pipe 4, an ultraviolet disinfector 14 is installed on the clean water pipe 4, and the bottom side of the second filter membrane element 13 is connected to the concentrated water discharge pipe 3.

[0007] Furthermore, the first filter 6 is a quartz sand filter, the second filter 7 is a wood particle activated carbon filter, and the third filter 8 is a sodium type styrene-based cation exchange resin filter.

[0008] Furthermore, an inclined annular plate 22 is fixed to the bottom end of the sand discharge chamber 17 . The inclined annular plate 22 is annular in shape. The top of the inclined annular plate 22 is arranged inclinedly, and the bottom end of the top inclined opening of the inclined annular plate 22 corresponds to the sand discharge pipe 18 .

[0009] Furthermore, the sand discharge pipe 18 , the water outlet pipe 19 , the water inlet pipe 20 and the sand inlet pipe 21 are all provided with solenoid valves.

[0010] Furthermore, the top of the filter plate 23 is an annular inclined surface, and the quartz sand on the top of the filter plate 23 slides into the sand discharge chamber 17 through the annular inclined surface.

[0011] Furthermore, a plurality of sealing blocks 28 are evenly distributed inside the flow groove, and an opening and closing mechanism for driving the plurality of sealing blocks 28 to move is installed on the protective shell 25 .

[0012] Further, the opening and closing mechanism includes a transmission column 26, a transmission frame 27, a rotating column 29, an adjusting drive motor 30, an opening and closing worm 31, an opening and closing worm wheel 32 and an opening and closing rotating disk 38. The protective shell 25 is rotatably connected with the rotating column 29, and the rotating column 29 is slidably connected with the lifting column 24. The top of the outer side of the rotating column 29 is fixed with an opening and closing rotating disk 38. The adjusting drive motor 30 is fixed inside the protective shell 25. The output end of the adjusting drive motor 30 is connected with the opening and closing worm 31. One side of the opening and closing worm 31 is meshedly connected with the opening and closing worm wheel 32. The opening and closing worm wheel 32 is fixed with the rotating column 29. The filter tank body 15 and the protective shell 25 are slidably connected with the transmission frame 27. The transmission frame 27 is fixed to the sealing block 28. The top of the opening and closing rotating disk 38 and the position corresponding to the transmission frame 27 are slidably connected with the transmission column 26, and the transmission column 26 is fixed to the transmission frame 27.

[0013] Furthermore, a positioning mechanism for limiting the lifting column 24 is installed on the top of the protective shell 25, and the positioning mechanism includes a shell 33, a height positioning block 34, a compression spring 35, a limit block 36 and a limit bolt 37. The bottom of the shell 33 is fixed to the protective shell 25, and the interior of one end of the shell 33 is slidably connected with the height positioning block 34, and the height positioning block 34 is slidably connected to the protective shell 25. The height positioning block 34 is away from the end of the lifting column 24 and is located inside the shell 33 and is fixed with a compression spring 35. The interior of one side of the shell 33 is slidably connected with a limit bolt 37, and the limit bolt 37 is threadedly connected to the height positioning block 34. The outer side of the limit bolt 37 is slidably connected to the limit block 36, and the limit block 36 is slidably connected to the shell 33.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] (1) The utility model, through the cooperation of the filter tank body, the filter cartridge, the protective shell, the sealing block and the opening and closing mechanism, can allow the quartz sand inside the first filter to be replaced or cleaned, and the opening and closing mechanism drives the movement of the sealing block, so that the quartz sand enters the sand discharge cavity through the top of the filter cartridge, and is discharged through the sand discharge pipe with the assistance of the inclined annular plate, and then the cleaned quartz sand or new quartz sand can enter the top of the filter plate inside the filter cartridge through the sand inlet pipe;

[0016] (2) The utility model, through the inclination of the top of the filter plate and the cooperation of multiple sealing blocks, can make the top of the lifting column and the filter tank body sealed by the mutual contact of multiple sealing blocks when the first filter is in normal use, thereby preventing the leakage of filtered water;

[0017] (3) The utility model can, through the cooperation of the outer shell, the height positioning block, the compression spring, the limit block and the limit bolt, drive the height positioning block to separate from the slidingly connected lifting column through the movement of the limit bolt when the lifting column is raised or lowered, and can also fix the position of the height positioning block inside the outer shell through the cooperation of the limit bolt and the limit block. [Drawings]

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the first filter of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the filter tank of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the filter cartridge of the utility model;

[0022] Figure 5 This is a structural schematic diagram of the opening and closing rotating disk of the utility model;

[0023] Figure 6 This is a schematic diagram of the structure of the height positioning block of the utility model;

[0024] Figure 7 This is a schematic diagram of the internal structure of the housing of the utility model;

[0025] In the figure: 1. tap water inlet pipe; 2. drainage pipe; 3. concentrated water discharge pipe; 4. clean water pipe; 5. water pump; 6. first filter; 7. second filter; 8. third filter; 9. salt box; 10. polypropylene melt-blown filter element tank; 11. high-pressure pump; 12. first filter element; 13. second filter element; 14. ultraviolet disinfector; 15. filter tank; 16. filter cartridge; 17. sand discharge chamber; 18. sand discharge pipe; 1 9. Water outlet pipe; 20. Water inlet pipe; 21. Sand inlet pipe; 22. Inclined annular plate; 23. Filter plate; 24. Lifting column; 25. Protective shell; 26. Transmission column; 27. Transmission frame; 28. Sealing block; 29. ​​Rotating column; 30. Adjusting drive motor; 31. Opening and closing worm; 32. Opening and closing worm wheel; 33. Casing; 34. Height positioning block; 35. Compression spring; 36. Limit block; 37. Limit bolt; 38. Opening and closing rotating disk. [Specific implementation method]

[0026] The utility model provides a water supply device with a water purification function, including a first filter 6, the first filter 6 includes a filter tank body 15, a filter cartridge 16, a sand discharge pipe 18, a water outlet pipe 19, a water inlet pipe 20, a sand inlet pipe 21, a filter plate 23, a lifting column 24 and a protective shell 25, the top of the filter tank body 15 is fixed with the protective shell 25, the filter cartridge 16 is fixed inside the filter tank body 15, a flow groove is arranged between the top of the filter cartridge 16 and the top of the filter tank body 15, a sand discharge cavity 17 is opened between the filter tank body 15 and the filter cartridge 16, and a sand discharge pipe is fixed at one end of the bottom of the filter tank body 15 and at a position corresponding to the sand discharge cavity 17 Channel 18, a water inlet pipe 20 is fixed inside one end of the top of the filter tank body 15 and at the bottom of the flow groove, a sand inlet pipe 21 is fixed inside the other end of the top of the filter tank body 15 and at the bottom of the flow groove, a water outlet pipe 19 is fixed at a position at the bottom of the filter tank body 15 away from one end of the sand discharge pipe 18, a filter plate 23 is arranged inside the filter barrel 16, through holes are evenly distributed on the filter plate 23, the filter plate 23 is fixed to the bottom end of the lifting column 24, and is lifted and lowered under the drive of the lifting column 24, the filter plate 23 is slidably connected to the inner wall of the filter barrel 16, and the lifting column 24 is slidably connected to the filter tank body 15 and the top of the protective shell 25.

[0027] The utility model also comprises a tap water inlet pipe 1, a drainage pipe 2, a concentrated water discharge pipe 3 and a clean water pipe 4. The tap water inlet pipe 1 is connected to a first filter 6. The other side of the first filter 6 is sequentially connected to a second filter 7, a third filter 8 and a salt box 9. A water pump 5 is installed on the pipe between the tap water inlet pipe 1 and the first filter 6. The drainage ports of the first filter 6, the second filter 7 and the third filter 8 are all connected to the drainage pipe 2. A polypropylene melt-blown filter element tank 10 is also connected to one side of the tap water inlet pipe 1. The polypropylene melt-blown filter element tank 10 is connected to a high A pressure pump 11 is provided, and the other side of the high-pressure pump 11 is connected to a first filter membrane element 12 through a pipeline. The other side of the first filter membrane element 12 is connected to a second filter membrane element 13. The other side of the second filter membrane element 13 is connected to a clean water pipeline 4. An ultraviolet sterilizer 14 is installed on the clean water pipeline 4. One side of the bottom of the second filter membrane element 13 is connected to a concentrated water discharge pipeline 3. An inclined annular plate 22 is fixed to the bottom end of the sand discharge chamber 17. The inclined annular plate 22 is annular in shape. The top of the inclined annular plate 22 is arranged in an inclined manner, and the bottom end of the top inclined opening of the inclined annular plate 22 corresponds to the sand discharge pipeline 18.

[0028] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments:

[0029] Example 1

[0030] Reference Figure 1 To Attachment Figure 5 As shown, a water supply device with water purification function includes a tap water inlet pipe 1, a drainage pipe 2, a concentrated water discharge pipe 3 and a clean water pipe 4, the outside of the tap water inlet pipe 1 is connected to a first filter 6, the outside of the tap water inlet pipe 1 and located on one side of the first filter 6 are connected in sequence to a second filter 7, a third filter 8 and a salt box 9, the outside of the tap water inlet pipe 1 and located on the side of the first filter 6 away from the second filter 7 is connected to a water pump 5, the first filter 6 is a quartz sand filter, the second filter 7 is a wood particle activated carbon filter, and the third filter 8 is a sodium type styrene cation exchange resin The drain outlets of the first filter 6, the second filter 7 and the third filter 8 are all connected to the drainage pipe 2, so that the water entering the tap water inlet pipe 1 through the water pump 5 can be filtered and purified through the first filter 6, the second filter 7 and the third filter 8 in sequence, and the water discharged from the first filter 6, the second filter 7 and the third filter 8 flows out through the drainage pipe 2. A polypropylene melt-blown filter cartridge 10 is also connected to one side of the tap water inlet pipe 1, and a high-pressure pump 11 is connected to one side of the polypropylene melt-blown filter cartridge 10, so that the high-pressure pump 11 can transport the water flowing through the polypropylene melt-blown filter cartridge 10 after pressurization;

[0031] A first filter membrane element 12 is connected to one side of the high-pressure pump 11, and a second filter membrane element 13 is connected to one side of the first filter membrane element 12. Both the first filter membrane element 12 and the second filter membrane element 13 are polypiperazineamide composite nanofiltration membrane elements. Sampling ports are fixed on one side of the first filter membrane element 12 and the second filter membrane element 13, so that the filtering effects of the first filter membrane element 12 and the second filter membrane element 13 can be observed through the sample water at the sampling port. A clean water pipeline 4 is connected to one side of the second filter membrane element 13, and an ultraviolet disinfector 14 is installed on the outer side of the clean water pipeline 4, so that the water entering the clean water pipeline 4 through the second filter membrane element 13 can be discharged after being disinfected by the ultraviolet disinfector 14. The bottom side of the second filter membrane element 13 is connected to the concentrated water discharge pipeline 3, so that the second filter membrane element 13 can discharge the wastewater through the concentrated water discharge pipeline 3;

[0032] The first filter 6 includes a filter tank body 15, a filter cartridge 16, a sand discharge pipe 18, a water outlet pipe 19, a water inlet pipe 20, a sand inlet pipe 21, a filter plate 23, a lifting column 24 and a protective shell 25. The protective shell 25 is fixed on the top of the filter tank body 15, and the filter cartridge 16 is fixed inside the filter tank body 15. A flow groove is provided between the top of the filter cartridge 16 and the filter tank body 15. A sand discharge cavity 17 is provided between the filter tank body 15 and the filter cartridge 16, so that objects inside the filter cartridge 16 can enter the inside of the sand discharge cavity 17 through the flow groove. A sand discharge pipe 18 is fixed at one end of the bottom of the filter tank body 15 and at a position corresponding to the sand discharge cavity 17, so that quartz sand can be discharged through the sand discharge pipe 18, so that objects inside the sand discharge cavity 17 can be discharged through the sand discharge pipe 18. An inclined annular plate 22 is fixed at the bottom end of the inside of the sand discharge cavity 17, and the bottom end of the top inclined opening of the inclined annular plate 22 corresponds to the sand discharge pipe 18.

[0033] A water inlet pipe 20 is fixed inside one end of the filter tank body 15 and located at the bottom of the flow groove, and a sand inlet pipe 21 is fixed inside the other end of the filter tank body 15 and located at the bottom of the flow groove, so that quartz sand can enter the interior of the filter cartridge 16 through the sand inlet pipe 21, and the water to be filtered can enter the interior of the filter cartridge 16 through the water inlet pipe 20. A water outlet pipe 19 is fixed to the bottom of the end of the filter tank body 15 away from the sand discharge pipe 18, and the position of the water outlet pipe 19 inside the sand discharge chamber 17 is fixed inside the inclined annular plate 22, so that the filtered water inside the filter cartridge 16 can be discharged through the water outlet pipe 19. Solenoid valves are provided on the sand discharge pipe 18, the water outlet pipe 19, the water inlet pipe 20 and the sand inlet pipe 21, so that the corresponding sand discharge pipe 18, the water outlet pipe 19, the water inlet pipe 20 or the sand inlet pipe 21 can be controlled by the solenoid valves.

[0034] The filter plate 23 is slidably connected to the inside of the filter cartridge 16, and through holes are evenly distributed inside the filter plate 23, so that the water filtered by the quartz sand on the top of the filter plate 23 can be discharged through the water outlet pipe 19. The top of the filter plate 23 is an annular inclined surface, and when the top of the filter plate 23 rises to correspond to the flow groove, the quartz sand on the top of the filter plate 23 slides into the inside of the sand discharge chamber 17 through the annular inclined surface. A lifting column 24 is fixed to the top of the filter plate 23. The lifting column 24 and the filter tank body 15, and the lifting column 24 and the protective shell 25 are all slidably connected, so that the lifting column 24 can be lifted and slid inside the filter tank body 15 and the protective shell 25;

[0035] A plurality of sealing blocks 28 are evenly arranged inside the flow groove, and a sealing layer is fixed on the outer side of each sealing block 28. The sealing layer is made of rubber or silicone, so that when two adjacent sealing blocks 28 among the plurality of sealing blocks 28 are in contact and located inside the flow groove, the inside of the flow groove can be sealed. An opening and closing mechanism for driving the plurality of sealing blocks 28 to move is installed on the protective shell 25. The opening and closing mechanism includes a transmission column 26, a transmission frame 27, a rotating column 29, an adjustment drive motor 30, an opening and closing worm 31, an opening and closing worm wheel 32 and an opening and closing rotating disk 38. The interior of the protective shell 25 is rotatably connected with the rotating column 29, and the interior of the rotating column 29 is slidably connected with the lifting column 24, so that the position of the lifting column 24 inside the protective shell 25 can be lifted and slid inside the rotating column 29;

[0036] An opening and closing rotating disk 38 is fixed to the top of the outer side of the rotating column 29, an adjusting driving motor 30 is fixed inside the protective shell 25, an opening and closing worm 31 is connected to the output end of the adjusting driving motor 30, and an opening and closing worm wheel 32 is meshedly connected to one side of the opening and closing worm wheel 31, and the inside of the opening and closing worm wheel 32 is fixed to the rotating column 29, so that the rotation of the opening and closing worm wheel 32 can drive the rotating column 29 to rotate, and the transmission frame 27 is slidably connected to the inside of the filter tank body 15 and the protective shell 25, and the shape of the transmission frame 27 is U-shaped. The transmission frame 27 can move simultaneously inside the filter tank body 15 and the protective shell 25. The transmission frame 27 is fixed to the sealing block 28, so that the movement of the transmission frame 27 drives the sealing block 28 to enter or leave the flow groove. The transmission column 26 is slidably connected to the top of the opening and closing rotating disk 38 and the position corresponding to the transmission frame 27. The transmission column 26 is fixed to the transmission frame 27, so that the rotation of the opening and closing rotating disk 38 can be limited by the sliding connection between the transmission frame 27 and the protective shell 25, driving the limit block 36 to translate.

[0037] The use process of a water supply device with a water purification function provided by the utility model is as follows: tap water is allowed to enter the inside of the tap water inlet pipe 1 through the operation of the water pump 5, and then filtered through the first filter 6, the second filter 7 and the third filter 8 in sequence before entering the inside of the polypropylene melt-blown filter cartridge 10, and then the water inside the polypropylene melt-blown filter cartridge 10 is allowed to enter the inside of the first filter element 12 for filtration after being pumped and pressurized by the high-pressure pump 11, and the water filtered by the first filter element 12 is allowed to enter the inside of the second filter element 13, and after being filtered by the second filter element 13, enters the inside of the clean water pipe 4, and is discharged after being disinfected by the ultraviolet disinfector 14;

[0038] After the water in the tap water inlet pipe 1 enters the first filter 6, when the quartz sand in the first filter 6 needs to be cleaned, the drive motor 30 is first adjusted to obtain electricity to drive the opening and closing worm 31 to rotate, so that the rotation of the opening and closing worm 31 drives the meshing opening and closing worm wheel 32 to rotate, and the rotation of the opening and closing worm wheel 32 drives the rotating column 29 to rotate, so that the rotation of the rotating column 29 drives the opening and closing rotating disk 38 to rotate, and through the sliding connection between the transmission frame 27 and the filter tank body 15 and the protective shell 25, the rotation of the opening and closing rotating disk 38 drives the multiple transmission columns 26 to move, so that the transmission frame 27 is translated, and the movement of the transmission frame 27 drives the sealing block 28 to move, so that the sealing block 28 is separated from the sliding connection flow groove;

[0039] Then, by pulling the lifting column 24, the lifting of the lifting column 24 drives the filter plate 23 to rise, so that the quartz sand on the top of the filter plate 23 enters the interior of the sand discharge chamber 17 through the flow groove, and is discharged through the interior of the sand discharge pipe 18 through the inclination of the top of the inclined annular plate 22. At this time, the solenoid valve on the sand discharge pipe 18 has opened the flow inside the sand discharge pipe 18. At the same time, when the top of the filter plate 23 is flush with or higher than the flow groove, the quartz sand on the top of the filter plate 23 slides into the interior of the sand discharge chamber 17 through the annular inclined surface on the top of the filter plate 23; and the cleaned quartz sand or new quartz sand enters the interior of the filter cartridge 16 through the sand inlet pipe 21 and is located on the top of the filter plate 23.

[0040] Example 2

[0041] Refer to the attached Figure 1 , Attachment Figure 2 , Attachment Figure 6 and attached Figure 7, a water supply device with a water purification function, a positioning mechanism for limiting the lifting column 24 is installed on the top of the protective shell 25, the positioning mechanism includes a shell 33, a height positioning block 34, a compression spring 35, a limit block 36 and a limit bolt 37, the bottom of the shell 33 is fixed to the protective shell 25, and the inner sliding connection of one end of the shell 33 is provided with a height positioning block 34, and the height positioning block 34 is slidably connected to the protective shell 25, so that when the height positioning block 34 is located inside the lifting column 24, the lifting column 24 cannot be lifted or lowered inside the protective shell 25 and the filter tank body 15, and the height positioning block 34 is away from one end of the lifting column 24 and is located inside the shell 33. The compression spring 35 is fixed, so that the height positioning block 34 is separated from the sliding of the lifting column 24 and drives the compression spring 35 to be compressed, so that it is convenient to reset the height positioning block 34 after the external force disappears;

[0042] An internal sliding connection is provided with a limit bolt 37 on one side of the shell 33, and the limit bolt 37 is threadedly connected to the height positioning block 34, so that the height positioning block 34 can be driven to slide inside the shell 33 through the movement of the limit bolt 37. The outer side of the limit bolt 37 is slidingly connected with a limit block 36, and the limit block 36 is in the shape of a side wall. The limit block 36 is slidingly connected to the shell 33, and when the limit block 36 is located inside the shell 33, the movement of the limit bolt 37 is limited.

[0043] The use process of a water supply device with a water purification function provided by the utility model is as follows: when the lifting column 24 needs to be lifted up to drive the filter plate 23 to lift up, the limiting bolt 37 is rotated to loosen the limiting block 36 through the threaded connection with the height positioning block 34, and then the limiting block 36 is separated from the slidingly connected housing 33, and then the limiting bolt 37 is pulled to drive the height positioning block 34 to move by sliding inside the housing 33, so that the height positioning block 34 is separated from the slidingly connected lifting column 24 and drives the compression spring 35 to be compressed, so as to facilitate the lifting column 24 to be lifted and lowered;

[0044] When the lifting column 24 is lowered and reset, the limit bolt 37 is loosened, and after the lifting column 24 is lowered to a certain extent, the height positioning block 34 is allowed to rebound into the interior of the slidingly connected lifting column 24 through the compressed compression spring 35, and then the limit block 36 is inserted into the corresponding slidingly connected housing 33, and the limit bolt 37 is rotated to allow the limit bolt 37 to move inside the threaded housing 33 and squeeze the limit block 36.

[0045] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. The standard parts used can be purchased from the market, and special-shaped parts can be customized according to the records in the specification and drawings. The specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0046] The present invention is not limited to the above-mentioned implementation modes, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention shall be considered as equivalent replacement modes and shall be included in the protection scope of the present invention.

Claims

1. A water supply device with water purification function, characterized in that: The invention comprises a first filter (6), wherein the first filter (6) comprises a filter tank body (15), a filter cartridge (16), a sand discharge pipe (18), a water outlet pipe (19), a water inlet pipe (20), a sand inlet pipe (21), a filter plate (23), a lifting column (24) and a protective shell (25); a protective shell (25) is fixed on the top of the filter tank body (15); a filter cartridge (16) is fixed inside the filter tank body (15); a flow groove is arranged between the top of the filter cartridge (16) and the top of the filter tank body (15); a sand discharge cavity (17) is provided between the filter tank body (15) and the filter cartridge (16); a sand discharge pipe (18) is fixed at one end of the bottom of the filter tank body (15) and at a position corresponding to the sand discharge cavity (17); and the filter tank body (15) is provided with a filter cartridge (16). A water inlet pipe (20) is fixed inside one end of the top of the filter tank (15) and located at the bottom of the flow groove; a sand inlet pipe (21) is fixed inside the other end of the top of the filter tank (15) and located at the bottom of the flow groove; a water outlet pipe (19) is fixed at a position of the bottom of the filter tank (15) away from one end of the sand discharge pipe (18); a filter plate (23) is arranged inside the filter cylinder (16); through holes are evenly distributed on the filter plate (23); the filter plate (23) is fixed to the bottom end of a lifting column (24) and moves up and down under the drive of the lifting column (24); the filter plate (23) is slidably connected to the inner wall of the filter cylinder (16); and the lifting column (24) is slidably connected to the filter tank (15) and the top of the protective shell (25).

2. The water supply device with water purification function as claimed in claim 1, characterized in that: The invention also comprises a tap water inlet pipe (1), a drainage pipe (2), a concentrated water discharge pipe (3) and a clean water pipe (4); the tap water inlet pipe (1) is connected to a first filter (6); the other side of the first filter (6) is connected in sequence to a second filter (7), a third filter (8) and a salt box (9); a water pump (5) is installed on the pipe between the tap water inlet pipe (1) and the first filter (6); the drainage ports of the first filter (6), the second filter (7) and the third filter (8) are all connected to the drainage pipe (2); the tap water inlet pipe (1) is connected to a first filter (6); the second filter (7) and the third filter (8) are connected to a second filter (7); and the concentrated water discharge pipe (3) is connected to a first filter (6); and the concentrated water discharge pipe (4) is connected to a second filter (7); and the concentrated water discharge pipe (3) is connected to a first filter (6); and the concentrated water discharge pipe (3 ... first filter (6); and the concentrated water discharge pipe (3) is connected to a second filter (7); and the concentrated water discharge pipe (3) is connected to a first filter (6 A polypropylene melt-blown filter cartridge (10) is also connected to one side of the water pipeline (1), and the polypropylene melt-blown filter cartridge (10) is connected to a high-pressure pump (11) through a pipeline. The other side of the high-pressure pump (11) is connected to a first filter membrane element (12) through a pipeline. The other side of the first filter membrane element (12) is connected to a second filter membrane element (13). The other side of the second filter membrane element (13) is connected to a clean water pipeline (4). An ultraviolet disinfector (14) is installed on the clean water pipeline (4). One side of the bottom of the second filter membrane element (13) is connected to a concentrated water discharge pipeline (3).

3. The water supply device with water purification function as claimed in claim 2, characterized in that: The first filter (6) is a quartz sand filter, the second filter (7) is a wood particle activated carbon filter, and the third filter (8) is a sodium type styrene-based cation exchange resin filter.

4. The water supply device with water purification function according to claim 1, characterized in that: An inclined annular plate (22) is fixed to the bottom end of the sand discharge chamber (17). The inclined annular plate (22) is annular in shape. The top of the inclined annular plate (22) is arranged in an inclined manner, and the bottom end of the top inclined opening of the inclined annular plate (22) corresponds to the sand discharge pipe (18).

5. The water supply device with water purification function as claimed in claim 1, characterized in that: The sand discharge pipe (18), the water outlet pipe (19), the water inlet pipe (20) and the sand inlet pipe (21) are all provided with electromagnetic valves.

6. The water supply device with water purification function as claimed in claim 1, characterized in that: The top of the filter plate (23) is an annular inclined surface, and the quartz sand on the top of the filter plate (23) slides through the annular inclined surface into the sand discharge chamber (17).

7. The water supply device with water purification function according to any one of claims 1 to 6, characterized in that: A plurality of sealing blocks (28) are evenly distributed inside the flow groove, and an opening and closing mechanism for driving the plurality of sealing blocks (28) to move is installed on the protective shell (25).

8. The water supply device with water purification function as claimed in claim 7, characterized in that: The opening and closing mechanism comprises a transmission column (26), a transmission frame (27), a rotating column (29), an adjusting drive motor (30), an opening and closing worm (31), an opening and closing worm wheel (32) and an opening and closing rotating disk (38); the rotating column (29) is rotatably connected inside the protective shell (25); the rotating column (29) is slidably connected to the lifting column (24); an opening and closing rotating disk (38) is fixed to the top of the outer side of the rotating column (29); the adjusting drive motor (30) is fixed inside the protective shell (25); the adjusting drive motor (31) is rotatably connected to the lifting column (24); the rotating column (29) is slidably connected to the lifting column (24); the opening and closing rotating disk (38) is fixed to the top of the outer side of the rotating column (29); the adjusting drive motor (30) is fixed inside the protective shell (25); the adjusting drive motor (31) is rotatably connected to the lifting column (24 ... 0) output end is connected to an opening and closing worm (31), one side of the opening and closing worm (31) is meshedly connected to an opening and closing worm wheel (32), the inside of the opening and closing worm wheel (32) is fixed to a rotating column (29), the inside of the filtering tank body (15) and the protective shell (25) is slidably connected to a transmission frame (27), the transmission frame (27) is fixed to a sealing block (28), and a transmission column (26) is slidably connected to the top of the opening and closing rotating disk (38) and at a position corresponding to the transmission frame (27), and the transmission column (26) is fixed to the transmission frame (27).

9. The water supply device with water purification function according to any one of claims 1 to 6, characterized in that: A positioning mechanism for limiting the lifting column (24) is installed on the top of the protective shell (25), and the positioning mechanism comprises a shell (33), a height positioning block (34), a compression spring (35), a limiting block (36) and a limiting bolt (37). The bottom of the shell (33) is fixed to the protective shell (25). The interior of one end of the shell (33) is slidably connected with the height positioning block (34). The height positioning block (34) is slidably connected to the protective shell (25). The height positioning block (34) is located at one end of the shell (33) away from the lifting column (24) and is fixed with a compression spring (35) inside the shell (33). The interior of one side of the shell (33) is slidably connected with a limiting bolt (37). The limiting bolt (37) is threadedly connected to the height positioning block (34). The outer side of the limiting bolt (37) is slidably connected to the limiting block (36). The limiting block (36) is slidably connected to the shell (33).

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