A reverse osmosis filtration device

Abstract

The present invention relates to the field of reverse osmosis technology, and discloses a reverse osmosis filtration device, comprising a base, a first liquid storage barrel, a second liquid storage barrel, and a filter assembly; a first sealing ring is movably provided inside the barrel wall of the first liquid storage barrel; the second liquid storage barrel is located on one side of the opening of the first liquid storage barrel and is arranged concentrically with the first liquid storage barrel, a gap is provided between the second liquid storage barrel and the first liquid storage barrel, and a second sealing ring is movably provided inside the barrel wall of the second liquid storage barrel; the filter assembly can be selectively provided in the gap, and the filter assembly is used to connect the internal spaces of the first liquid storage barrel and the second liquid storage barrel and filter the solution in the second liquid storage barrel. The present invention provides a filter assembly, and it can be selectively provided between the first liquid storage barrel and the second liquid storage barrel. In this way, when replacing a different reverse osmosis membrane, it is only necessary to move the filter assembly out of the gap and take out the reverse osmosis membrane for replacement, which is simpler and more convenient to operate.

Description

Technical Field

[0001] The present invention relates to the technical field of reverse osmosis, and more particularly to a reverse osmosis filtering device. Background Art

[0002] Reverse osmosis, also known as reverse osmosis, is a membrane separation process that uses a pressure differential as the driving force to separate a solvent from a solution. Pressure is applied to the liquid on one side of the membrane. When the pressure exceeds its osmotic pressure, the solvent permeates in the opposite direction of natural osmosis. The result is permeate, the permeate, on the low-pressure side of the membrane, and a concentrated solution, the concentrate, on the high-pressure side. When reverse osmosis is used to treat seawater, fresh water is obtained on the low-pressure side of the membrane, while brine is obtained on the high-pressure side. Because it operates in the opposite direction of natural osmosis, it is called reverse osmosis. Depending on the different osmotic pressures of various materials, a reverse osmosis pressure greater than the osmotic pressure can be used, a process known as reverse osmosis, to achieve separation, extraction, purification, and concentration.

[0003] Reverse osmosis technology is a common filtration method. However, when filtering different substances, the existing reverse osmosis filtration requires the replacement of filter screens with different filter pores. However, since the reverse osmosis membrane is usually arranged inside the reverse osmosis device, the operating space is limited and replacement is inconvenient. Summary of the Invention

[0004] The present invention provides a reverse osmosis filtration device, which solves the technical problem in the related art that the reverse osmosis membrane is usually arranged inside the reverse osmosis device, the operating space is limited, and the replacement is inconvenient.

[0005] The present invention provides a reverse osmosis filtration device, comprising: a base; a first liquid storage barrel, the first liquid storage barrel being arranged on the base, the first liquid storage barrel being a cylindrical structure with a hollow interior and an open structure at one end, a first sealing ring being movably provided on the barrel wall of the first liquid storage barrel; a second liquid storage barrel, the first liquid storage barrel being arranged on the base, the second liquid storage barrel being a cylindrical structure with a hollow interior and an open structure at both ends, the second liquid storage barrel being located on one side of the opening of the first liquid storage barrel and being concentrically arranged with the first liquid storage barrel, a gap being provided between the second liquid storage barrel and the first liquid storage barrel, a second sealing ring being movably provided on the barrel wall of the second liquid storage barrel; a filter assembly, the filter assembly being selectively provided in the gap, the filter assembly being used to connect the internal spaces of the first liquid storage barrel and the second liquid storage barrel and filter the solution in the second liquid storage barrel, the filter assembly comprising: an annular first clamping plate selectively sealingly matched with the first sealing ring, an annular second clamping plate selectively sealingly matched with the second sealing ring, and a reverse osmosis membrane, the reverse osmosis membrane being provided between the first clamping plate and the second clamping plate.

[0006] As a further improvement of the present invention, the reverse osmosis filtration device further includes: a first screw, a barrel wall of the first liquid storage barrel having an annular first movable groove formed along its axial direction, the first movable groove being in communication with an end surface of an open end of the first liquid storage barrel, a first sealing ring being slidably connected in the first movable groove, a first driving block being provided on the first sealing ring, a first mounting seat being provided on the first liquid storage barrel, one end of the first screw being rotatably connected to the first driving block, the other end of the first screw passing through the first mounting seat and fixedly connected to a first knob, the first screw being threadedly connected to the first mounting seat; the reverse osmosis filtration device further includes: a second screw, a barrel wall of the second liquid storage barrel having an annular second movable groove formed along its axial direction, the second movable groove being in communication with an end surface of the second liquid storage barrel facing the first liquid storage barrel, a second sealing ring being slidably connected in the second movable groove, a second driving block being provided on the second sealing ring, a second mounting seat being provided on the second liquid storage barrel, one end of the second screw being rotatably connected to the second driving block, the other end of the second screw passing through the second mounting seat and fixedly connected to a second knob, and the second screw being threadedly connected to the second mounting seat.

[0007] As a further improvement of the present invention, an annular groove is provided on the side of the first clamping plate facing the second clamping plate, and an annular protrusion is provided on the side of the second clamping plate facing the first clamping plate, and the annular protrusion presses the edge of the reverse osmosis membrane into the annular groove.

[0008] As a further improvement of the present invention, the reverse osmosis filtration device also includes: two fixed seats, a connecting shaft and a driving rod, the two fixed seats are arranged in parallel on the base, the two ends of the connecting shaft are respectively rotatably connected to the two fixed seats, one end of the driving rod is fixedly connected to the connecting shaft, and the other end of the driving rod is fixedly connected to the second clamping plate.

[0009] As a further improvement of the present invention, a limit plate is provided on the base, and the limit plate cooperates with the driving rod to limit the driving rod after the driving rod drives the filter assembly to reach the gap.

[0010] As a further improvement of the present invention, a sealing ring is provided on an end surface of the first sealing ring facing the first clamping plate, and a sealing ring is provided on an end surface of the second sealing ring facing the second clamping plate.

[0011] As a further improvement of the present invention, the filter assembly also includes: a countersunk bolt, a first threaded hole is opened on the first clamping plate, a second threaded hole is opened on the second clamping plate, and the countersunk bolt passes through the second threaded hole and is threadedly engaged with the first threaded hole.

[0012] As a further improvement of the present invention, a first clamping groove and a second clamping groove are provided on the base, and the reverse osmosis filtration device further includes: a first fixing assembly and a second fixing assembly; the first fixing assembly includes: a first double-headed screw, two first nut seats and two first fixing plates, one end of the first double-headed screw is rotatably connected to the inner wall of the first clamping groove, and the other end thereof passes through the base and is fixedly connected to a third knob, the axis of the first double-headed screw is perpendicular to the axis of the first liquid storage barrel, the two first nut seats are respectively arranged on both sides of the first double-headed screw, and the two first fixing plates are respectively fixed On the two first nut seats, the first liquid storage barrel is selectively clamped and fixed; the second fixing assembly includes: a second double-headed screw, two second nut seats and two second fixing plates, one end of the second double-headed screw is rotatably connected to the inner wall of the second clamping groove, and the other end thereof passes through the base and is fixedly connected to the fourth knob, the axis of the second double-headed screw is perpendicular to the axis of the second liquid storage barrel, the two second nut seats are respectively arranged on both sides of the second double-headed screw, and the two second fixing plates are respectively fixed on the two second nut seats to selectively clamp and fix the second liquid storage barrel.

[0013] As a further improvement of the present invention, in the axial direction of the first liquid storage barrel, the length of the first nut seat is the same as the length of the first clamping groove, and the length of the second nut seat is the same as the length of the second clamping groove.

[0014] As a further improvement of the present invention, the reverse osmosis filtration device also includes: a pressurizing component for pressurizing the solution in the second liquid storage barrel, the pressurizing component including: a support seat, a cylinder and a pressure plate, the support seat is arranged on the side of the base away from the first liquid storage barrel, the cylinder is arranged on the support seat, and the telescopic end of the cylinder is fixedly connected to the pressure plate to drive the pressure plate to move inside the second liquid storage barrel.

[0015] The beneficial effects of the present invention are:

[0016] 1. The present invention provides a filter assembly, and the filter assembly can be selectively arranged between the first liquid storage barrel and the second liquid storage barrel. In this way, when a different reverse osmosis membrane needs to be replaced, it is only necessary to move the filter assembly out from between the first liquid storage barrel and the second liquid storage barrel, and take out the reverse osmosis membrane for replacement. There is no need to operate inside the first liquid storage barrel or the second liquid storage barrel, and the operation is simpler and more convenient.

[0017] 2. The present invention provides a first sealing ring and a second sealing ring in the first liquid storage barrel and the second liquid storage barrel respectively, and the first sealing ring and the second sealing ring can clamp and seal the filter assembly, thereby improving the sealing between the first liquid storage barrel, the second liquid storage barrel and the filter assembly, thereby better performing reverse osmosis work. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram from a first angle of a reverse osmosis filtration device according to an embodiment of the present invention;

[0019] Figure 2 This is a schematic structural diagram from a second angle of a reverse osmosis filtration device according to an embodiment of the present invention;

[0020] Figure 3 1 is a schematic diagram of a front cross-sectional structure of a reverse osmosis filtration device according to an embodiment of the present invention;

[0021] Figure 4 yes Figure 3 Schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 5 1 is a schematic side cross-sectional structural diagram of a first type of reverse osmosis filtration device according to an embodiment of the present invention;

[0023] Figure 6 is a schematic diagram of a second side cross-sectional structure of a reverse osmosis filtration device according to an embodiment of the present invention;

[0024] Figure 7 yes Figure 8 Schematic diagram of the enlarged structure at B in the middle;

[0025] Figure 8 1 is a schematic side cross-sectional structural diagram of a third embodiment of a reverse osmosis filtration device according to the present invention;

[0026] Figure 9 1 is a schematic top cross-sectional structural diagram of a reverse osmosis filtration device according to an embodiment of the present invention;

[0027] Figure 10 yes Figure 9 Schematic diagram of the enlarged structure at point C in the middle.

[0028] In the figure: 1. Base; 101. First clamping groove; 102. Second clamping groove; 2. First liquid storage barrel; 21. Discharge port; 22. First sealing ring; 221. First drive block; 23. First movable groove; 24. First mounting seat; 3. Second liquid storage barrel; 31. Feed port; 32. Second sealing ring; 321. Second drive block; 33. Second movable groove; 34. Second mounting seat; 4. Filter assembly; 41. First clamping plate; 411. Annular groove; 412. First threaded hole; 42. Second clamping plate; 421. Annular protrusion; 422. Second threaded hole; 43. Reverse osmosis membrane ;5. First screw;6. First knob;7. Second screw;8. Second knob;9. Connecting shaft;10. Drive rod;11. Limit plate;12. Sealing ring;13. Countersunk bolt;14. First fixing assembly;141. First double-headed screw;142. First nut seat;143. First fixing plate;144. Third knob;15. Second fixing assembly;151. Second double-headed screw;152. Second nut seat;153. Second fixing plate;154. Fourth knob;16. Pressurizing assembly;161. Support seat;162. Cylinder;163. Pressurizing plate;17. Fixing seat. DETAILED DESCRIPTION

[0029] The subject matter described herein will now be discussed with reference to exemplary embodiments. It should be understood that these embodiments are discussed solely to enable those skilled in the art to better understand and implement the subject matter described herein, and that the functions and arrangements of the elements discussed may be varied without departing from the scope of this specification. Various examples may omit, substitute, or add various processes or components as needed. In addition, features described with respect to some examples may also be combined in other examples.

[0030] like Figures 1-10 As shown, a reverse osmosis filtration device includes a base 1, a first liquid storage barrel 2, a second liquid storage barrel 3 and a filter assembly 4.

[0031] The base 1 primarily serves as a support and mounting mechanism. The first liquid storage tank 2 primarily stores the post-reverse osmosis solvent. The second liquid storage tank 3 primarily stores the pre-reverse osmosis solution. The filter assembly 4 primarily performs a filtering function. When the solution inside the second liquid storage tank 3 is pressurized, the solution in the second liquid storage tank 3 is filtered through the filter assembly 4, thereby forcing the solvent in the solution into the first liquid storage tank 2.

[0032] Specifically, if Figures 1-4As shown, the first liquid storage barrel 2 is a hollow cylindrical structure with an open end. That is, one end of the first liquid storage barrel 2 is open, while the other end is closed, allowing solvent to flow into the interior of the first liquid storage barrel 2 from the open end. Furthermore, a discharge port 21 is provided at the top of the first liquid storage barrel 2, and a first sealing cap is provided at the discharge port 21. During the reverse osmosis process, the first sealing cap can be removed to seal the discharge port 21. When the reverse osmosis process is complete, the first sealing cap can be removed, allowing the solvent in the first liquid storage barrel 2 to be removed. The first sealing cap and the discharge port 21 can be threaded.

[0033] In addition, a first sealing ring 22 is movably provided inside the barrel wall of the first liquid storage barrel 2 , that is, the first sealing ring 22 can move inside the barrel wall of the first liquid storage barrel 2 .

[0034] Specifically, the reverse osmosis filtration device further includes a first screw 5. An annular first movable groove 23 is defined within the barrel wall of the first liquid storage barrel 2 along its axial direction. The first movable groove 23 communicates with the end surface of the open end of the first liquid storage barrel 2. A first sealing ring 22 is slidably connected within the first movable groove 23. The first sealing ring 22 is annular in structure. A first driving block 221 is fixedly connected to the outer peripheral wall of the first sealing ring 22. A first mounting seat 24 is fixedly connected to the outer peripheral wall of the first liquid storage barrel 2. One end of the first screw 5 is rotatably connected to the first driving block 221. The other end of the first screw 5 passes through the first mounting seat 24 and is fixedly connected to the first knob 6. The first screw 5 is threadedly connected to the first mounting seat 24. It should be noted that both the first driving block 221 and the first mounting seat 24 can be disposed on the side of the first liquid storage barrel 2 facing the base 1. This can reduce interference with other components and operators, making it more convenient to use. Furthermore, a through hole is defined at the bottom of the first movable groove 23 along the axis of the first liquid storage barrel 2, along which the first driving block 221 can move.

[0035] During use, when the first sealing ring 22 needs to be moved, the first knob 6 is rotated. The rotation of the first knob 6 can drive the first screw 5 to rotate, and the first screw 5 will move in the first mounting seat 24, and drive the first driving block 221 to move in the through hole along the axial direction of the first liquid storage barrel 2. The movement of the first driving block 221 can then drive the first sealing ring 22 to move in the first moving groove 23. By changing the rotation direction of the first knob 6, the movement direction of the first sealing ring 22 can be changed.

[0036] Furthermore, the second liquid storage barrel 3 is also a hollow cylindrical structure with openings at both ends. In other words, both ends of the second liquid storage barrel 3 are open, and the second liquid storage barrel 3 is located on one side of the opening of the first liquid storage barrel 2 and is arranged concentrically with the first liquid storage barrel 2. This allows the solution in the second liquid storage barrel 3 to be pressurized through the opening at the end of the second liquid storage barrel 3 away from the first liquid storage barrel 2, and the solvent can then enter the interior of the first liquid storage barrel 2 through the opening at the end of the second liquid storage barrel 3 closer to the first liquid storage barrel 2. A feed port 31 is defined in the second liquid storage barrel 3, and a second sealing cap is provided at the feed port 31. Before the reverse osmosis operation, the second sealing cap is removed, and the solution is poured into the interior of the second liquid storage barrel 3 through the feed port 31. The feed port 31 is then sealed with the second sealing cap to proceed with the reverse osmosis operation. After the reverse osmosis process, the second sealing cap can be removed to pour out the remaining solution and solute in the second liquid storage barrel 3. The second sealing cap and the feed port 31 can be threaded.

[0037] In addition, a second sealing ring 32 is movably provided inside the barrel wall of the second liquid storage barrel 3 , that is, the second sealing ring 32 can move inside the barrel wall of the first liquid storage barrel 2 .

[0038] Specifically, the reverse osmosis filtration device also includes a second screw 7. An annular second movable groove 33 is formed in the barrel wall of the second liquid storage barrel 3 along its axial direction. The second movable groove 33 is connected to the end face of the second liquid storage barrel 3 facing the first liquid storage barrel 2. A second sealing ring 32 is slidably connected in the second movable groove 33. The second sealing ring 32 is an annular structure. A second driving block 321 is fixedly connected to the outer peripheral wall of the second sealing ring 32. A second mounting seat 34 is fixedly connected to the outer peripheral wall of the second liquid storage barrel 3. One end of the second screw 7 is rotatably connected to the second driving block 321. The other end of the second screw 7 passes through the second mounting seat 34 and is fixedly connected to the second knob 8. The second screw 7 is threadedly connected to the second mounting seat 34. It should be noted that the second driving block 321 and the second mounting seat 34 can both be arranged on the side of the second liquid storage barrel 3 facing the base 1. This can reduce interference with other components and operators, making it more convenient to use. Furthermore, a through hole is also formed at the bottom of the second movable groove 33 along the axial direction of the second liquid storage barrel 3 , and the second driving block 321 can move along the through hole.

[0039] During use, when the second sealing ring 32 needs to be moved, the second knob 8 is turned. The rotation of the second knob 8 can drive the second screw 7 to rotate, and the second screw 7 will move within the first mounting seat 24, and drive the second driving block 321 to move axially along the second liquid storage barrel 3 within the through hole. The movement of the second driving block 321 can then drive the second sealing ring 32 to move within the second moving groove 33. By changing the rotation direction of the second knob 8, the movement direction of the second sealing ring 32 can be changed.

[0040] Furthermore, a gap is provided between the second liquid storage barrel 3 and the first liquid storage barrel 2, and a filter assembly 4 can be selectively disposed within the gap. The filter assembly 4 is used to connect the internal spaces of the first liquid storage barrel 2 and the second liquid storage barrel 3, and to filter the solution that permeates the second liquid storage barrel 3 into the first liquid storage barrel 2. The filter assembly 4 includes: an annular first clamping plate 41 that selectively seals with the first sealing ring 22, an annular second clamping plate 42 that selectively seals with the second sealing ring 32, and a reverse osmosis membrane 43. The reverse osmosis membrane 43 is disposed between the first clamping plate 41 and the second clamping plate 42.

[0041] That is to say, the filter assembly 4 can be arranged in the gap or not. When the solution needs to be subjected to reverse osmosis operation, the filter assembly 4 needs to be arranged in the gap to filter the solution in the second liquid storage barrel 3. When the reverse osmosis operation is not required and the reverse osmosis membrane 43 needs to be replaced, the filter assembly 4 can be moved out of the gap for more convenient operation.

[0042] Specifically, when reverse osmosis operation is required, the filter assembly 4 is first placed in the gap, and the final positioning position is achieved when the axis of the filter assembly 4 is collinear with the axes of the first liquid storage barrel 2 and the second liquid storage barrel 3. At this time, the first knob 6 and the second knob 8 are rotated separately or simultaneously, and the first knob 6 and the second knob 8 respectively drive the first sealing ring 22 and the second sealing ring 32 to move until the first sealing ring 22 clamps the first clamping plate 41 and the second sealing ring 32 clamps the second clamping plate 42, thereby fixing the filter assembly 4 and enabling the filter assembly 4 to better perform the filtering operation.

[0043] When the reverse osmosis membrane 43 needs to be replaced, the first knob 6 and the second knob 8 are rotated in reverse. The first knob 6 and the second knob 8 respectively drive the first sealing ring 22 and the second sealing ring 32 to move. The first sealing ring 22 and the second sealing ring 32 begin to separate from the first clamping plate 41 and the second clamping plate 42 respectively, so that the filter assembly 4 can be taken out and the reverse osmosis membrane 43 can be replaced, which is more convenient to use.

[0044] As an optional embodiment, Figure 4 and Figure 10As shown, an annular groove 411 is provided on the side of the first clamping plate 41 facing the second clamping plate 42, and an annular protrusion 421 is provided on the side of the second clamping plate 42 facing the first clamping plate 41. The annular protrusion 421 presses the edge of the reverse osmosis membrane 43 into the interior of the annular groove 411. Using the annular protrusion 421 to press the edge of the reverse osmosis membrane 43 into the interior of the annular groove 411 makes the arrangement of the reverse osmosis membrane 43 more secure and stable, thereby enabling the reverse osmosis membrane 43 to perform better filtration. Moreover, the cooperation between the annular protrusion 421 and the annular groove 411 can improve the sealing between the first clamping plate 41 and the second clamping plate 42, thereby reducing the outflow of solution during the reverse osmosis process.

[0045] As an optional embodiment, Figure 4 and Figure 8 As shown, a sealing ring 12 is provided on one end surface of the first sealing ring 22 facing the first clamping plate 41, and on the other end surface of the second sealing ring 32 facing the second clamping plate 42. The provision of the sealing ring 12 can improve the sealing between the first sealing ring 22 and the first clamping plate 41, and between the second sealing ring 32 and the second clamping plate 42, thereby reducing the outflow of solution during the reverse osmosis process.

[0046] As an optional embodiment, Figure 4 As shown, the filter assembly 4 further includes a countersunk bolt 13. A first threaded hole 412 is defined in the first clamping plate 41, and a second threaded hole 422 is defined in the second clamping plate 42. The countersunk bolt 13 passes through the second threaded hole 422 and is threadedly engaged with the first threaded hole 412. The countersunk bolt 13 securely connects the first clamping plate 41 and the second clamping plate 42, making assembly and disassembly quicker and easier, facilitating replacement of the reverse osmosis membrane 43. Furthermore, the countersunk bolt 13 reduces interference between the second clamping plate 42 and the second sealing ring 32.

[0047] As an optional embodiment, the reverse osmosis filtration device also includes: two fixed seats 17, a connecting shaft 9 and a driving rod 10, the two fixed seats 17 are arranged in parallel on the base 1, the two ends of the connecting shaft 9 are respectively rotatably connected to the two fixed seats 17, one end of the driving rod 10 is fixedly connected to the connecting shaft 9, and the other end of the driving rod 10 is fixedly connected to the second clamping plate 42.

[0048] During use, since the filter assembly 4 is clamped between the first liquid storage barrel 2 and the second liquid storage barrel 3, it is inconvenient to take it. Therefore, the filter assembly 4 can be moved by manually operating the driving rod 10 without directly operating the filter assembly 4. This makes it more convenient to use and it is easy to control the position of the filter assembly 4.

[0049] As an optional embodiment, Figure 8As shown, a limit plate 11 is provided on the base 1, and the limit plate 11 cooperates with the driving rod 10 to limit the driving rod 10 after the driving rod 10 drives the filter assembly 4 to enter the gap. It should be noted that the top of the limit plate 11 is an inclined structure. When the driving rod 10 is manually operated to adjust the position of the filter assembly 4, when the filter assembly 4 is completely placed in the gap, the top of the limit plate 11 just contacts the driving rod 10, thereby limiting the further movement of the driving rod 10, thereby making the position of the filter assembly 4 more accurate and the adjustment of the position of the filter assembly 4 faster.

[0050] In addition, a first clamping groove 101 and a second clamping groove 102 are formed on the base 1 , and the reverse osmosis filtration device further includes a first fixing component 14 and a second fixing component 15 .

[0051] Specifically, if Figure 2 and Figure 3 As shown, the first fixing assembly 14 includes: a first double-headed screw 141, two first nut seats 142, and two first fixing plates 143. It should be noted that the two sides of the first double-headed screw 141 have threads in opposite directions. One end of the first double-headed screw 141 is rotatably connected to the inner wall of the first clamping groove 101, and the other end thereof passes through the base 1 and is fixedly connected to the third knob 144. The axis of the first double-headed screw 141 is perpendicular to the axis of the first liquid storage barrel 2. The two first nut seats 142 are respectively threadedly connected to the two sides of the first double-headed screw 141. The two first fixing plates 143 are respectively fixed to the two first nut seats 142 to selectively clamp and fix the first liquid storage barrel 2.

[0052] During use, when the first liquid storage barrel 2 needs to be fixed, the first liquid storage barrel 2 is first manually placed between the two first fixing plates 143, and then the third knob 144 is turned. The third knob 144 can drive the first double-headed screw 141 to rotate. The rotation of the first double-headed screw 141 drives the two first nut seats 142 to move closer to each other. The mutual approach of the two first nut seats 142 in turn drives the two first fixing plates 143 to move closer to each other, thereby fixing the first liquid storage barrel 2. When the first liquid storage barrel 2 needs to be released, the third knob 144 can be turned in the opposite direction.

[0053] Similarly, the second fixing assembly 15 includes: a second double-ended screw 151, two second nut seats 152, and two second fixing plates 153. It should be noted that the second double-ended screw 151 has threads on both sides in opposite directions. One end of the second double-ended screw 151 is rotatably connected to the inner wall of the second clamping groove 102, and the other end thereof passes through the base 1 and is fixedly connected to the fourth knob 154. The axis of the second double-ended screw 151 is perpendicular to the axis of the second liquid storage barrel 3. The two second nut seats 152 are respectively threadedly connected to the two sides of the second double-ended screw 151. The two second fixing plates 153 are respectively fixed to the two second nut seats 152 to selectively clamp and fix the second liquid storage barrel 3.

[0054] During use, when it is necessary to fix the second liquid storage barrel 3, first manually place the second liquid storage barrel 3 between the two second fixing plates 153, and then turn the fourth knob 154. The fourth knob 154 can drive the second double-headed screw 151 to rotate. The rotation of the second double-headed screw 151 will drive the two second nut seats 152 to approach each other. The mutual approach of the two second nut seats 152 will drive the two second fixing plates 153 to approach each other, thereby fixing the second liquid storage barrel 3. When it is necessary to release the second liquid storage barrel 3, just turn the fourth knob 154 in the opposite direction. It should be noted that the models and sizes of the components in the first fixing assembly 14 and the second fixing assembly 15 can be set to be the same.

[0055] As an optional embodiment, in the axial direction of the first liquid storage barrel 2, the length of the first nut seat 142 is the same as the length of the first clamping groove 101, and the length of the second nut seat 152 is the same as the length of the second clamping groove 102. In this way, when the first nut seat 142 moves along the axial direction of the first double-headed screw 141, the first clamping groove 101 can limit the first nut seat 142, preventing the first nut seat 142 from tilting, thereby ensuring more stable movement of the first fixing plate 143. Similarly, when the second nut seat 152 moves along the axial direction of the second double-headed screw 151, the second clamping groove 102 can limit the second nut seat 152, preventing it from tilting, thereby ensuring more stable movement of the second fixing plate 153. In this way, the first liquid storage barrel 2 and the second liquid storage barrel 3 can be better secured.

[0056] In addition, if Figure 1 and Figure 2As shown, the reverse osmosis filtration device also includes a pressurizing assembly 16 for pressurizing the liquid in the second liquid storage barrel 3. The pressurizing assembly 16 includes: a support base 161, a cylinder 162, and a pressurizing plate 163. It should be noted that the pressurizing plate 163 is a cylindrical structure, and the diameter of the pressurizing plate 163 is the same as the inner diameter of the second liquid storage barrel 3. The support base 161 is fixedly connected to the side of the base 1 away from the first liquid storage barrel 2, the cylinder 162 is fixedly connected to the support base 161, and the telescopic end of the cylinder 162 is fixedly connected to the pressurizing plate 163 to drive the pressurizing plate 163 to move inside the second liquid storage barrel 3.

[0057] When reverse osmosis work is required, the first fixing component 14 and the second fixing component 15 are first used to fix the first liquid storage barrel 2 and the second liquid storage barrel 3 respectively, and then the filter component 4 is fixed in the gap, and then the cylinder 162 is driven to extend the pressure plate 163 into the second liquid storage barrel 3 away from the end of the first liquid storage barrel 2, and then the solution is poured into the second liquid storage barrel 3 through the feed port 31, and the feed port 31 and the discharge port 21 are sealed. Finally, the cylinder 162 continues to drive the pressure plate 163 to move toward the inside of the second liquid storage barrel 3 to squeeze the solution, so that the solvent can pass through the reverse osmosis membrane 43 and enter the inside of the first liquid storage barrel 2.

[0058] The above describes the embodiments of this embodiment, but this embodiment is not limited to the above specific implementation methods. The above specific implementation methods are merely illustrative and not restrictive. Ordinary technicians in this field can also make many forms based on the inspiration of this embodiment, all of which are protected by this embodiment.

Claims

1. A reverse osmosis filtration device, characterized in that: include: Base (1); a first liquid storage barrel (2), the first liquid storage barrel (2) being arranged on the base (1), the first liquid storage barrel (2) being a cylindrical structure with a hollow interior and an open structure at one end, and a first sealing ring (22) being movably arranged inside the barrel wall of the first liquid storage barrel (2); A second liquid storage barrel (3), wherein the first liquid storage barrel (2) is arranged on the base (1), the second liquid storage barrel (3) is a cylindrical structure with a hollow interior and both ends thereof are open structures, the second liquid storage barrel (3) is located on one side of the opening of the first liquid storage barrel (2) and is arranged concentrically with the first liquid storage barrel (2), a gap is provided between the second liquid storage barrel (3) and the first liquid storage barrel (2), and a second sealing ring (32) is movably provided inside the barrel wall of the second liquid storage barrel (3); The first liquid storage barrel (2) and the second liquid storage barrel (3) are arranged transversely; A filter assembly (4), wherein the filter assembly (4) can be selectively arranged in the gap, and the filter assembly (4) is used to connect the internal spaces of the first liquid storage barrel (2) and the second liquid storage barrel (3), and filter the solution in the second liquid storage barrel (3), and the filter assembly (4) comprises: an annular first clamping plate (41) selectively sealingly matched with the first sealing ring (22), an annular second clamping plate (42) selectively sealingly matched with the second sealing ring (32), and a reverse osmosis membrane (43), wherein the reverse osmosis membrane (43) is arranged between the first clamping plate (41) and the second clamping plate (42); The reverse osmosis filtration device further comprises: a first screw (5); a first annular movable groove (23) is provided in the barrel wall of the first liquid storage barrel (2) along its axial direction; the first movable groove (23) is communicated with the end surface of one open end of the first liquid storage barrel (2); a first sealing ring (22) is slidably connected in the first movable groove (23); a first driving block (221) is provided on the first sealing ring (22); a first mounting seat (24) is provided on the first liquid storage barrel (2); one end of the first screw (5) is rotatably connected to the first driving block (221); the other end of the first screw (5) passes through the first mounting seat (24) and is fixedly connected to the first knob (6); the first screw (5) is threadedly connected to the first mounting seat (24); The reverse osmosis filtration device further comprises: a second screw (7); a second annular movable groove (33) is provided in the barrel wall of the second liquid storage barrel (3) along its axial direction; the second movable groove (33) is communicated with the end face of the second liquid storage barrel (3) facing one end of the first liquid storage barrel (2); a second sealing ring (32) is slidably connected in the second movable groove (33); a second driving block (321) is provided on the second sealing ring (32); a second mounting seat (34) is provided on the second liquid storage barrel (3); one end of the second screw (7) is rotatably connected to the second driving block (321); the other end of the second screw (7) passes through the second mounting seat (34) and is fixedly connected to the second knob (8); the second screw (7) is threadedly connected to the second mounting seat (34); The reverse osmosis filtration device further comprises: a pressurizing assembly (16) for pressurizing the solution in the second liquid storage barrel (3); the pressurizing assembly (16) comprises: a support seat (161), a cylinder (162) and a pressurizing plate (163); the support seat (161) is arranged on a side of the base (1) away from the first liquid storage barrel (2); the cylinder (162) is arranged on the support seat (161), and the telescopic end of the cylinder (162) is fixedly connected to the pressurizing plate (163) to drive the pressurizing plate (163) to move inside the second liquid storage barrel (3).

2. A reverse osmosis filtration device according to claim 1, characterized in that: An annular groove (411) is provided on one side of the first clamping plate (41) facing the second clamping plate (42), and an annular protrusion (421) is provided on one side of the second clamping plate (42) facing the first clamping plate (41). The annular protrusion (421) presses the edge of the reverse osmosis membrane (43) into the inside of the annular groove (411).

3. A reverse osmosis filtration device according to claim 1, characterized in that: The reverse osmosis filtration device further comprises: two fixing seats (17), a connecting shaft (9) and a driving rod (10), wherein the two fixing seats (17) are arranged in parallel on the base (1), the two ends of the connecting shaft (9) are rotatably connected to the two fixing seats (17), one end of the driving rod (10) is fixedly connected to the connecting shaft (9), and the other end of the driving rod (10) is fixedly connected to the second clamping plate (42).

4. A reverse osmosis filtration device according to claim 3, characterized in that: A limiting plate (11) is provided on the base (1), and the limiting plate (11) cooperates with the driving rod (10) to limit the driving rod (10) after the driving rod (10) drives the filter assembly (4) to reach the gap.

5. A reverse osmosis filtration device according to claim 1, characterized in that: A sealing ring (12) is provided on one end surface of the first sealing ring (22) facing the first clamping plate (41), and on one end surface of the second sealing ring (32) facing the second clamping plate (42).

6. A reverse osmosis filtration device according to claim 1, characterized in that: The filter assembly (4) further includes: a countersunk bolt (13); a first threaded hole (412) is provided on the first clamping plate (41); a second threaded hole (422) is provided on the second clamping plate (42); the countersunk bolt (13) passes through the second threaded hole (422) and is threadably engaged with the first threaded hole (412).

7. A reverse osmosis filtration device according to claim 1, characterized in that: The base (1) is provided with a first clamping groove (101) and a second clamping groove (102), and the reverse osmosis filtration device further comprises: a first fixing component (14) and a second fixing component (15); The first fixing assembly (14) comprises: a first double-headed screw (141), two first nut seats (142) and two first fixing plates (143); one end of the first double-headed screw (141) is rotatably connected to the inner wall of the first clamping groove (101); the other end thereof passes through the base (1) and is fixedly connected to a third knob (144); the axis of the first double-headed screw (141) is perpendicular to the axis of the first liquid storage barrel (2); the two first nut seats (142) are respectively arranged on both sides of the first double-headed screw (141); and the two first fixing plates (143) are respectively fixed on the two first nut seats (142) to selectively clamp and fix the first liquid storage barrel (2); The second fixing assembly (15) comprises: a second double-headed screw (151), two second nut seats (152) and two second fixing plates (153); one end of the second double-headed screw (151) is rotatably connected to the inner wall of the second clamping groove (102); the other end thereof passes through the base (1) and is fixedly connected to a fourth knob (154); the axis of the second double-headed screw (151) is perpendicular to the axis of the second liquid storage barrel (3); the two second nut seats (152) are respectively arranged on both sides of the second double-headed screw (151); and the two second fixing plates (153) are respectively fixed on the two second nut seats (152) to selectively clamp and fix the second liquid storage barrel (3).

8. A reverse osmosis filtration device according to claim 7, characterized in that: In the axial direction of the first liquid storage barrel (2), the length of the first nut seat (142) is the same as the length of the first clamping groove (101), and the length of the second nut seat (152) is the same as the length of the second clamping groove (102).

Images