CN212151808U - Cabinet type water purifier - Google Patents

Abstract

The utility model relates to a cabinet type water purifier which is applied to the technical field of water treatment and solves the problem that impurities attached to a reverse osmosis membrane influence the filtration of pure water; the cleaning device comprises a box body, wherein a 5-micron PP cotton filter element, an activated carbon filter element, a 1-micron PP cotton filter element, a high-pressure pump, a reverse osmosis device, a rear activated carbon and pure water pressure barrel are arranged in the box body, a cleaning liquid box is arranged between the 1-micron PP cotton filter element and the high-pressure pump, a water flow control device is connected with the 1-micron PP cotton filter element, a cleaning medicine box and the high-pressure pump, a long shaft is arranged in the shell, a first water baffle and a second water baffle are arranged on the long shaft, the first water baffle and the second water baffle are in sliding connection with the inner wall of the shell, and one end of the long shaft is; the utility model discloses have the abluent cleaner of reverse osmosis membrane who makes among the reverse osmosis unit, extension reverse osmosis unit life's effect.

Description

Cabinet type water purifier

Technical Field

The utility model relates to the technical field of water treatment, especially, relate to a cabinet type water purification machine.

Background

With the progress of science and technology, people have increasingly growing material culture requirements, so that not only daily water but also industrial water also has higher and higher requirements, such as electrophoretic spraying water, and pure water is needed, so that industrial water purification machines are more and more extensive at present.

The prior Chinese patent publication No. CN 207313277U discloses a cabinet type pure water all-in-one machine, which comprises a box body, wherein a pretreatment mechanism, a primary filtering mechanism, a motor, a water pump, a pure water box and a control mechanism are integrated in the box body; the motor drives the water pump to operate; raw water enters a pure water tank after sequentially passing through a pretreatment mechanism, a water pump and a primary filtering mechanism; the control mechanism comprises a liquid level detector, a controller and a relay; the liquid level detector sends the current liquid level information to the controller, and the controller compares the received liquid level information with a set liquid level value so as to control the on-off of the relay.

The above prior art solutions have the following drawbacks: when the water purifier is used for too long time, impurities can be attached to the reverse osmosis membrane, and the impurities attached to the reverse osmosis membrane can influence the filtering effect and the filtering speed of the reverse osmosis membrane and the quality of pure water.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects existing in the prior art, the utility model aims at providing a cabinet type water purifier, which has the advantages that: the service life of the reverse osmosis membrane is prolonged, and the quality of filtered pure water is better.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a cabinet type water purifier comprises a box body, wherein a 5 micron PP cotton filter element, an active carbon filter element, a 1 micron PP cotton filter element, a high-pressure pump, a reverse osmosis membrane, a rear-mounted active carbon and a pure water pressure barrel are arranged in the box body, the 5 micron PP cotton filter element, the active carbon filter element and the 1 micron PP cotton filter element are connected through a water pipe, a second water pipe is arranged between the 1 micron PP cotton filter element and the high-pressure pump, a fourth water inlet is arranged at the top end of the reverse osmosis device, a pure water outlet and a concentrated water discharge outlet are arranged at the bottom end of the reverse osmosis device, the high-pressure pump is connected with the fourth water inlet of the reverse osmosis device through a water pipe, a third water pipe is arranged between the pure water outlet and the pure water pressure barrel, the cabinet type water purifier further comprises a cleaning liquid tank and a water flow control device, the water flow control device is arranged, the water flow control device is respectively connected with the cleaning medicine box, the 1 micron PP cotton filter element and the high-pressure pump, and the water flow control device is used for switching the on-off of the cleaning medicine box and the 1 micron PP cotton filter element.

By adopting the technical scheme, tap water sequentially passes through the 5-micron PP cotton filter element, the activated carbon filter element and the 1-micron PP cotton filter element, suspended matters, slag matters and the like in the tap water which are larger than the pore size can be filtered out and residual chlorine, heterochrosis, peculiar smell and the like in the tap water can be adsorbed by the three-stage filtration, the filtered tap water is pumped into the reverse osmosis device through the high-pressure pump, the pore size of a reverse osmosis membrane in the reverse osmosis device is as small as nanometer (1 nanometer =10-9 m), pure water molecules can pass through the reverse osmosis membrane under certain pressure, and impurities such as inorganic salt, heavy metal ions, organic matters, colloid, bacteria, viruses and the like in source water can not pass through the reverse osmosis membrane, so that permeable pure water and impermeable concentrated water can be strictly distinguished, and the pure water enters the pure water pressure barrel through a pure water discharge port at the bottom end of the, the concentrated water in the reverse osmosis device is discharged through a concentrated water discharge port at the bottom end of the reverse osmosis device, when the water purifier is used for too long time, impurities can be attached to the reverse osmosis membrane, the impurities attached to the reverse osmosis membrane can influence the filtering effect and the filtering speed of the reverse osmosis membrane and influence the quality of pure water, a water flow control device is arranged between a 1 micron PP cotton filter element and a high-pressure pump, the water flow control device is respectively connected with the high-pressure pump, the 1 micron PP cotton filter element and a cleaning medicine box, when the reverse osmosis membrane device needs to be cleaned, a water inlet communicated with the cleaning medicine box is opened by adjusting the water flow control device, cleaning liquid is pumped into the reverse osmosis device by the high-pressure pump to clean the reverse osmosis membrane, the cleaning liquid flows out of the concentrated water discharge port, and in the process of cleaning the pure water filtering system, the liquid medicine in the cleaning medicine box can be pumped into the, the reverse osmosis device is cleaned, the internal space of the box body can be saved, the cost is reduced, and the reverse osmosis device is convenient for workers to operate in the cleaning process.

The utility model discloses further configure to: the water flow control device comprises a shell, a second water outlet is formed in one end of the shell, a second water inlet and a third water inlet are formed in the other end of the shell, the second water inlet is connected with a 1-micron PP cotton filter element, the third water inlet is connected with a cleaning medicine box, the second water outlet is connected with a high-pressure pump, a first round hole and a second round hole are formed in the two sides of the shell respectively, a long shaft is arranged in the shell and penetrates through the first round hole, a first water baffle and a second water baffle are arranged on the long shaft and located at one end of the long shaft, the first water baffle, the second water baffle and the inner wall of the shell are connected in a sliding mode, and a limiting part for limiting the long shaft to move in the box is arranged at one end of the long shaft.

Through adopting above-mentioned technical scheme, be provided with water flow control device in the water purification machine, the second water inlet and the third water inlet that set up in the water flow control device are connected with the cotton filter core of 1 micron PP and wash the medical kit respectively, the second delivery port is connected with the high-pressure pump, water flow control device is used for cutting off the break-make that washs medical kit and the cotton filter core of 1 micron PP, when carrying out abluent in-process to the reverse osmosis unit in the water purification machine, through the convenient and fast's of regulation water flow control device washing reverse osmosis unit, make things convenient for the staff to operate, raise the efficiency, save the cost, one end at the major axis is provided with the locating part, the locating part can prevent the removal of major axis in the casing, make.

The utility model discloses further configure to: the locating part includes the rotary rod, the one end of major axis is provided with the screw thread, be provided with first internal thread on the rotary rod, major axis and rotary rod threaded connection, the both sides of first round hole are provided with heavy groove, the one end of casing is provided with the annular.

By adopting the technical scheme, the long shaft is provided with the rotating rod which is in threaded connection with the long shaft, when the reverse osmosis device needs to be cleaned, a worker holds the rotating rod to push the first water baffle and the second water baffle which are arranged on the long shaft to move in the shell, the first water baffle blocks the second water inlet, the third water inlet is opened, the high-pressure pump in the water purifier pumps cleaning liquid medicine into the reverse osmosis device, the operation of the worker is convenient, in the process of making pure water, tap water passes through the water flow control device, the water pressure can cause the first water baffle and the second water baffle to move in the shell, by arranging the sink groove and the ring groove at two sides of the round hole, the rotating rod is screwed into the ring groove on the long shaft and is abutted in the ring groove at one end of the shell, can prevent the first baffle and the second baffle from moving in the shell, and leads the water purifier to be stable and smooth in the process of preparing pure water.

The utility model discloses further set up to: and sealing gaskets are arranged on the outer walls of the first water baffle and the second water baffle.

Through adopting above-mentioned technical scheme, be provided with sealed the pad on the outer wall of first breakwater and second breakwater, it is better to make the sealed effect between first breakwater and second breakwater and the casing through sealed the pad, the phenomenon of weeping prevents to appear leaking, when water purification machine live time overlength, can have some impurity on the inner wall among the water flow control device, impurity can corrode water flow control device's inner wall, when the process of removing first baffle and second baffle, slide on the inner wall of the sealed pad water flow control device that sets up on first baffle and the second baffle, can clear away impurity on the inner wall, increase water flow control device's life.

The utility model discloses further configure to: the three-way pipe is arranged on the third water pipe and comprises a first water inlet pipe, a second water inlet pipe and a water outlet pipe, the first water inlet pipe is connected with a pure water outlet, a first valve is arranged on the first water inlet pipe, a water pipe connecting device is arranged on the second water inlet pipe, one end of the water pipe connecting device is connected with a fourth water inlet of the reverse osmosis device, the other end of the water pipe connecting device is connected with the second water inlet pipe, and the water outlet pipe is connected with a pure water pressure barrel.

Through adopting above-mentioned technical scheme, be provided with the tee bend pipeline on the pipeline between pure water delivery port and pure water pressure tank, outlet conduit in the tee bend pipeline is connected with pure water pressure tank, two inlet conduits are connected with pure water outlet and reverse osmosis unit's fourth water inlet respectively in addition, the space that pure water filtration system took up an area of can be saved through the tee bend pipeline, be provided with water piping connection between the water pipe between second inlet conduit and fourth water inlet, after the washing liquid washs reverse osmosis unit, can have some washing liquids among the reverse osmosis unit, the in-process of continuation preparation pure water, can cause the pollution of pure water, water piping connection, make the pure water in the pure water pressure tank flow among the reverse osmosis unit, wash reverse osmosis unit once more, make the washing liquid among the reverse osmosis unit wash cleanly.

The utility model discloses further configure to: the water pipe connecting device comprises a first connector, a second connector and a fixed pipe, spring seats are respectively arranged in the first connector and the second connector, the first connector is provided with a first sphere seat, a second sphere seat is arranged in the second connector, the first sphere seat and the fixed pipe or the fixed pipe and the second sphere seat are in threaded connection, a spring is arranged in the spring seats, one end of the spring abuts against the spring seats, spheres are arranged in the first sphere seat and the second sphere seat, the other ends of the spheres and the spring abut against each other, a connecting pipe is arranged in the first sphere seat, the connecting pipe is slidably connected into the first sphere seat, and the connecting pipe abuts against the spheres.

By adopting the technical scheme, after the reverse osmosis device is cleaned by the cleaning liquid, the reverse osmosis device can be cleaned by some cleaning liquid, the reverse osmosis device needs to be cleaned again by pure water in order to prevent the produced pure water from being polluted, at the moment, the reverse osmosis device can be cleaned by the pure water in the pure water pressure barrel, the water pipe connecting device is arranged on the second water inlet pipeline and comprises a first connector and a second connector, the first connector is connected with the second connector, two ends of a connecting pipe in the water pipe connecting device are respectively abutted against the ball bodies in the first connector and the second connector, the ball compresses the spring to form a passage under the action of force, pure water flows into the reverse osmosis device under the action of the pressure pure water barrel, the reverse osmosis device is cleaned, so that the reverse osmosis device is cleaned more cleanly, and the service life of the reverse osmosis device is prolonged.

The utility model discloses further configure to: the outer wall of the first sphere seat is provided with external threads, the inner wall of the fixed pipe is provided with second internal threads, and the first sphere seat is in threaded connection with the fixed pipe.

Through adopting above-mentioned technical scheme, when carrying out the pure water washing to reverse osmosis unit, it opens to need water piping connection device, first spheroid seat and fixed pipe threaded connection, the connecting pipe supports presses the spheroid, spheroid compression spring forms the water circulation way, the workman is through unscrewing first spheroid seat and fixing base after finishing washing, the spheroid butt is in the bottom of first spheroid seat and second spheroid seat respectively, the water flow path is closed, the in-process of workman's operation is simple and convenient, it is cleaner to make reverse osmosis unit abluent once more through wasing with the pure water.

The utility model discloses further configure to: and sealing rings are respectively arranged between the spring seat and the first spherical seat and between the spring seat and the second spherical seat.

Through adopting above-mentioned technical scheme, through at spring holder and first spheroid seat with be provided with the sealing washer between spring holder and the second spheroid seat respectively, make water piping connection device's sealed effect better, prevent spilling of pure water, practice thrift the pure water resource.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through rinsing reverse osmosis unit can prolong reverse osmosis unit's life, the pure water quality of crossing off is better.

2. Be provided with rivers controlling means between 1 micron PP cotton filter core and high-pressure pump, can utilize its high-pressure pump that exists when wasing pure water filtration system, practice thrift the cost, and practice thrift the space.

3. The water pipe connecting device is arranged between the reverse osmosis device and the pure water pressure barrel, and the reverse osmosis device is cleaned again by pure water through the water pipe connecting device, so that the reverse osmosis device is better cleaned.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic structural view of the case in the present embodiment;

FIG. 3 is a schematic structural diagram of the operation principle of the water purifier in this embodiment;

FIG. 4 is a cross-sectional view of the water flow control device in this embodiment;

fig. 5 is a sectional view of the hose connector in the present embodiment.

In the figure, 1, a box body; 2. 5 micron PP cotton filter element; 3. an activated carbon filter element; 4. 1 micron PP cotton filter element; 5. a high pressure pump; 6. a reverse osmosis unit; 7. post-positioned active carbon; 8. a pure water pressure barrel; 9. a water pipe; 92. a second water pipe; 12. a fourth water inlet; 13. a pure water outlet; 14. a concentrated water discharge port; 93. a third water pipe; 15. a cleaning solution tank; 16. a water flow control device; 161. a housing; 162. a second water outlet; 163. a second water inlet; 164 third water inlet; 165. a first circular hole; 166. a second circular hole; 167. a long axis; 168. a first water baffle; 169. a second water baffle; 18. rotating the rod; 19. a gasket; 20. a thread; 181. a first internal thread; 21. sinking a groove; 22. a ring groove; 23. a three-way pipeline; 231. a first water inlet pipe; 232 a second water inlet pipeline; 233. a water outlet pipeline; 24. a first valve; 25. a water pipe connection device; 26. a first connector; 27. a second connector; 28. a spring seat; 29. a first sphere seat; 281. a spring; 291. a sphere; 30. a connecting pipe; 31. an external thread; 32. a second internal thread; 33. A seal ring; 34. a second valve; 35. a partition plate; 36. a pre-filter chamber; 37. a reverse osmosis chamber; 38. a numerical control cavity; 39. a storage chamber 40, a fixed tube; 41. a second sphere seat.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a cabinet type water purifier, which comprises a box body 1, wherein the box body 1 is divided into a plurality of chambers by a partition 35, which are a pre-filter chamber 36, a reverse osmosis chamber 37, a numerical control chamber 38 and a storage chamber 39, and a 5 micron PP cotton filter element 2, an activated carbon filter element 3 and a 1 micron PP cotton filter element 4 are arranged in the pre-filter chamber 36; the 5 micron PP cotton filter element 2, the active carbon filter element 3 and the 1 micron PP cotton filter element 4 are connected through the water pipe 9, tap water sequentially passes through the 5 micron PP cotton filter element 2, the active carbon filter element 3 and the 1 micron PP cotton filter element 4, and suspended matters, slag matters and the like in tap water can be filtered out through the front three-layer filter device, and residual chlorine, foreign colors, foreign odor and the like in the tap water can be adsorbed. A water flow control device 16, a reverse osmosis device 6 and a high pressure pump 5 are arranged in the reverse osmosis cavity 37, a second water inlet 163 on the water flow control device 16 is connected with a 1 micron PP cotton filter element 4, a second water outlet 162 on the water flow control device 16 is connected with the high pressure pump 5, the high pressure pump 5 is connected with a fourth water inlet 12 of the reverse osmosis device 6 through a water pipe 9, a third water pipe 93 is arranged between a pure water outlet 13 of the reverse osmosis device 6 and a pure water pressure barrel 8, the high pressure pump 5 pumps the primarily filtered tap water into the reverse osmosis device 6, the aperture of a reverse osmosis membrane in the reverse osmosis device 6 is as small as nanometer (1 nanometer =10-9 meters), pure water molecules can pass through the reverse osmosis membrane under certain pressure, and impurities such as inorganic salt, heavy metal ions, organic matters, colloid, bacteria, viruses and viruses in source water cannot pass through the reverse osmosis membrane, so that the permeated pure water and the non-permeated concentrated water, pure water flows into the pure water pressure barrel 8 through the pure water outlet 13 on the reverse osmosis device 6, the pure water is stored in the pure water pressure barrel 8, concentrated water in the reverse osmosis device 6 is discharged through the concentrated water discharge port 14, before the pure water is used, the pure water is adsorbed by the post-positioned activated carbon device 7 again, the post-positioned activated carbon device 7 is connected with the pure water pressure barrel 8 through the water pipe 9, the water pipe 9 is provided with the second valve 34, and the circulation of the water is controlled through the second valve 34.

Referring to fig. 3 and 4, the water flow control device 16 includes a housing 161, a second water inlet 163 and a third water inlet 164 are disposed at one end of the housing 161, the second water inlet 163 is connected to the 1 μm PP cotton filter element 4, the third water inlet 164 is detachably connected to the cleaning liquid tank 15, when the cleaning liquid in the cleaning liquid tank 15 is used up, the cleaning liquid tank 15 can be detached to replace the cleaning liquid, a long shaft 167 is disposed in the housing 161, a first water baffle 168 and a second water baffle 169 are disposed on the long shaft 167, the first water baffle 168 is disposed at one end of the long shaft 167, during the process of producing pure water, a worker pushes and pulls the long shaft 167 penetrating outside the housing to make the first water baffle 168 be disposed at the bottom end of the housing, at this time, the second water baffle 169 blocks the third water inlet 164, when the pure water machine is used for a long time and needs to be cleaned, the worker pulls the long shaft 167 to make the second water baffle 169 be pulled to the top end of, the first water guard 168 blocks the second water inlet 163, and the sealing gaskets 19 are provided on the outer walls of the first water guard 168 and the second water guard 169 to prevent the tap water or the cleaning solution flowing into the housing 161 from leaking.

A first round hole 165 and a second round hole 166 are respectively arranged at two sides of the casing 161, the second round hole 166 has the function of pressure relief, the first water baffle 168 and the second water baffle 169 are convenient to move in the casing 161, two sides of the first round hole 165 are provided with sunk grooves 21, one end of the shell 161 is provided with a ring groove 22, the other end of the long shaft 167 is provided with a thread 20 and penetrates through the first round hole 165, a rotating rod 18 is screwed at one end of the long shaft 167, and in the process of preparing pure water by the pure water machine, the long shaft 167 is pushed to make the second water blocking plate 169 block the third water inlet 164 on the housing 161, at this time, the second water inlet 163 is opened, the worker rotates the rotating rod 18 to make the rotating rod 18 rotate to the sinking groove 21 along the long shaft 167, in rotating the rotating lever 18 into the ring groove 22 by rotating the rotating lever 18, the rotating lever 18 abuts in the ring groove 22 at one end of the housing 161, in the water flowing through the housing 161, the first baffle 168 and the second baffle 169 are prevented from moving in the housing 161. When the reverse osmosis device 6 needs to be cleaned after being used for too long, a worker pulls the long shaft 167 to enable the first water baffle 168 to block the second water inlet 163, the third water inlet 164 is opened at the moment, the second water outlet 162 is arranged at the other end of the shell, the second water outlet 162 is connected with the high-pressure pump 5, the same high-pressure pump 5 is used for producing pure water or cleaning, the high-pressure pump 5 has acid resistance and alkali resistance, the cost can be saved, and meanwhile, the space in the box body is saved.

Referring to fig. 3 and 5, after the reverse osmosis device 6 is cleaned by the cleaning solution, the cleaning solution may remain in the reverse osmosis device 6, pure water may be polluted in the production of pure water, the three-way pipe 23 is disposed on the third water pipe 93 between the pure water outlet 13 and the pure water pressure tank 8, the three-way pipe 23 includes a first water inlet pipe 231, a second water inlet pipe 232 and a water outlet pipe 233, the first water inlet pipe 231 is connected to the pure water outlet 13, the first valve 24 is disposed on the first water inlet pipe 231, the water pipe connection device 25 is disposed on the second water inlet pipe 232, one end of the water pipe connection device 25 is connected to the second water inlet pipe 232, and the other end of the water pipe connection device 25 is connected to the fourth water inlet 12 of the reverse osmosis device 6. The water pipe connector 25 comprises a first connector 26, a second connector 27 and a fixed pipe 40, wherein a spring seat 28 is respectively arranged on the first connector 26 and the second connector 27, a first ball seat 29 is arranged in the first connector 26, a second ball seat 41 is arranged in the second connector 27, an external thread 31 is arranged on the outer wall of the first ball seat 29, a second internal thread 32 is arranged on the inner wall of the fixed pipe 40, the first ball seat 29 is in threaded connection with the fixed pipe 40, a sealing ring 33 is respectively arranged between the spring seat 28 and the first ball seat 29 and between the spring seat 28 and the second ball seat 41, the sealing ring 33 can prevent pure water flowing into the water pipe connector 25 from leaking out and reduce the waste of the pure water, a spring 281 is arranged in the spring seat 28, one end of the spring 281 is abutted against the spring seat 28, balls 291 are respectively arranged in the first ball seat 29 and the second ball seat 41, the other end of the spring 281 is abutted against the ball 291, the first ball seat 29 is provided with the connecting pipe 30, one end of the connecting pipe 30 is abutted against the ball 291, the other end of the connecting pipe 30 is abutted against one end of the ball 291 in the second ball seat 41, two ends of the connecting pipe 30 are abutted against the ball 291 in the process of threaded connection, the ball 291 presses the spring 281 to form a passage after being stressed, the first valve 24 is closed when the reverse osmosis device 6 is cleaned by pure water, the pure water in the pure water pressure barrel 8 enters the reverse osmosis device 6 through the water pipe connecting device 25 to clean the reverse osmosis device 6 again, and the cleaned water is discharged through the concentrated water discharge port 14.

The implementation principle of the embodiment is as follows: tap water sequentially passes through a 5-micron PP cotton filter element 2, an activated carbon filter element 3 and a 1-micron PP cotton filter element 4, passes through a three-layer filter device, firstly, substances such as suspended matters, slag substances and the like which are larger than the pore diameter in the tap water are filtered, and residual chlorine, heterochrosis, peculiar smell and the like in the tap water are adsorbed, then, the tap water is pumped into a reverse osmosis device through a high-pressure pump 5, the pore diameter of a reverse osmosis membrane in the reverse osmosis device 6 is as small as nanometer (1 nanometer =10-9 m), H2O molecules can pass through the reverse osmosis membrane under certain pressure, and impurities such as inorganic salt, heavy metal ions, organic matters, colloid, bacteria, viruses and the like in source water cannot pass through the reverse osmosis membrane, so that permeable pure water and impermeable concentrated water are strictly distinguished, the pure water flows into a pure water pressure barrel 8 through a pure water outlet 13 on the reverse osmosis device 6, and is stored in, the concentrate in the reverse osmosis device 6 is discharged through the concentrate discharge port 14. When the water purifier is used for too long, impurities can adhere to reverse osmosis membranes in the reverse osmosis devices 6 to influence filtration of the reverse osmosis membranes, the reverse osmosis membranes in the reverse osmosis devices 6 need to be cleaned regularly, the cleaning medicine box 15 is connected with the high-pressure pump 5 through the water flow control device 16, cleaning liquid is pumped into the reverse osmosis devices 6 through the high-pressure pump 5, and after the cleaning liquid is cleaned, some cleaning liquid can exist in the reverse osmosis devices 6, so that the reverse osmosis devices 6 can be cleaned through pure water better.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. A cabinet type water purifier comprises a box body (1), wherein a 5 micron PP cotton filter element (2), an activated carbon filter element (3), a 1 micron PP cotton filter element (4), a high-pressure pump (5), a reverse osmosis device (6), rear-mounted activated carbon (7) and a pure water pressure barrel (8) are arranged in the box body (1), the 5 micron PP cotton filter element (2), the activated carbon filter element (3) and the 1 micron PP cotton filter element (4) are connected through a water pipe (9), a second water pipe (92) is arranged between the 1 micron PP cotton filter element (4) and the high-pressure pump (5), a fourth water inlet (12) is arranged at the top end of the reverse osmosis device (6), a pure water outlet (13) and a concentrated water discharge port (14) are arranged at the bottom end of the reverse osmosis device (6), the high-pressure pump (5) is connected with the fourth water inlet (12) of the reverse osmosis device (6) through the water pipe (9), pure water delivery port (13) with be provided with third water pipe (93) between pure water pressure bucket (8), its characterized in that: still include cleaning solution case (15) and rivers controlling means (16), rivers controlling means (16) are in on second water pipe (92) between 1 micron PP cotton filter core (4) and high-pressure pump (5), rivers controlling means (16) are connected with cleaning solution case (15), 1 micron PP cotton filter core (4) and high-pressure pump (5) respectively, rivers controlling means (16) are used for switching the break-make of cleaning solution case (15) and 1 micron PP cotton filter core (4).

2. The cabinet type water purification machine of claim 1, wherein: the water flow control device (16) comprises a shell (161), a second water outlet (162) is formed in one end of the shell (161), a second water inlet (163) and a third water inlet (164) are formed in the other end of the shell (161), the second water inlet (163) is connected with a 1-micron PP cotton filter element (4), the third water inlet (164) is connected with a cleaning liquid tank (15), the second water outlet (162) is connected with a high-pressure pump (5), a first round hole (165) and a second round hole (166) are formed in two sides of the shell (161) respectively, a long shaft (167) is formed in the shell (161), the long shaft (167) penetrates through the first round hole (165), a first water baffle (168) and a second water baffle (169) are arranged on the long shaft (167), the first water baffle (168) is located at one end of the long shaft (167), and the first water baffle (168), The second water baffle (169) is connected with the inner wall of the shell (161) in a sliding mode, and one end of the long shaft (167) is provided with a limiting piece for limiting the long shaft (167) to move in the box body (1).

3. The cabinet type water purification machine according to claim 2, wherein: the locating part includes rotary rod (18), the one end of major axis (167) is provided with screw thread (20), be provided with first internal thread (181) on rotary rod (18), major axis (167) and rotary rod (18) threaded connection, the both sides of first round hole (165) are provided with heavy groove (21), the one end of casing (161) is provided with annular groove (22).

4. The cabinet type water purification machine according to claim 2, wherein: and sealing gaskets (19) are arranged on the outer walls of the first water baffle (168) and the second water baffle (169).

5. The cabinet type water purification machine of claim 1, wherein: the three-way pipe (23) is arranged on the third water pipe (93), the three-way pipe (23) comprises a first water inlet pipe (231), a second water inlet pipe (232) and a water outlet pipe (233), the first water inlet pipe (231) is connected with a pure water outlet (13), a first valve (24) is arranged on the first water inlet pipe (231), a water pipe connecting device (25) is arranged on the second water inlet pipe (232), one end of the water pipe connecting device (25) is connected with a fourth water inlet (12) of the reverse osmosis device (6), the other end of the water pipe connecting device (25) is connected with the second water inlet pipe (232), and the water outlet pipe (233) is connected with a pure water pressure barrel (8).

6. The cabinet type water purification machine of claim 5, wherein: the water pipe connecting device (25) comprises a first connector (26), a second connector (27) and a fixed pipe (40), wherein spring seats (28) are respectively arranged in the first connector (26) and the second connector (27), the first connector (26) is provided with a first ball seat (29), a second ball seat (41) is arranged in the second connector (27), the first ball seat (29) and the fixed pipe (40) or the fixed pipe (40) and the second ball seat (41) are in threaded connection, a spring (281) is arranged in the spring seat (28), one end of the spring (281) is abutted against the spring seat (28), a ball (291) is arranged in the first ball seat (29) and the second ball seat (41), the ball (291) is abutted against the other end of the spring (281), and a connecting pipe (30) is arranged in the first ball seat (29), the connecting tube (30) is slidably connected in the first ball seat (29), the connecting tube (30) abutting against the ball (291).

7. The cabinet type water purification machine of claim 6, wherein: be provided with external screw thread (31) on the outer wall of first spheroid seat (29), be provided with second internal thread (32) on the inner wall of fixed pipe (40), first spheroid seat (29) and fixed pipe (40) threaded connection.

8. The cabinet type water purification machine of claim 6, wherein: and sealing rings (33) are respectively arranged between the spring seat (28) and the first spherical seat (29) and between the spring seat (28) and the second spherical seat (41).

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