Miniature preparation device for hemodialysis concentrated solution

Abstract

The invention belongs to the field of hemodialysis concentrated solution preparation devices, and particularly relates to a micro hemodialysis concentrated solution preparation device which comprises a barrel body, a cover plate is arranged at the top of the barrel body, a motor is fixedly mounted at the top of the cover plate, a motor output shaft penetrates through the cover plate, and a stirring rod is fixedly mounted at the bottom end of the motor output shaft. A rotating rod can be unlocked by pulling a control rod and a sliding frame on the left side and the right side of the barrel body, a cover plate can be unlocked by the rotating rod, the cover plate can be unlocked by the rotating rod, the cover plate can be unlocked by the rotating rod, the rotating rod can be unlocked by the rotating rod, and the rotating rod can be unlocked by the rotating rod; the cover plate can open the barrel body to clean impurities in the barrel body without polluting the subsequent hemodialysis concentrated solution, and the prepared hemodialysis concentrated solution can be filtered by the shell, so that the impurities are filtered out, and the use of the hemodialysis concentrated solution is not influenced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of blood dialysis concentrate preparation device, and particularly relates to a blood dialysis concentrate micro-preparation device. BACKGROUND

[0002] Hemodialysis, also known as artificial kidney, is a blood purification technology. By using the principle of semi-permeable membrane, various harmful and redundant metabolic waste and excessive electrolytes in the body are removed through diffusion and convection, so as to purify blood and correct water electrolyte and acid-base balance. Hemodialysis technology has been widely used and developed in the medical field. The treatment range of hemodialysis is becoming wider and wider, and the preparation of hemodialysis concentrate has become a prominent problem in daily dialysis treatment. The utility model discloses a blood dialysis concentrate preparation stirring device, including micro -heat blower, box, bolt, connecting rod, fixed ring and micro -ultrasonic cleaner, the fixed ring is installed on the connecting rod, the fixed ring front end is equipped with bolt, and the bolt is connected with the connecting rod through the fixed ring, and the micro -ultrasonic cleaner is equipped on the lower end of the connecting rod, the micro -heat blower is installed in the left end of the box, and the micro -ultrasonic cleaner is installed in the box, the fixed ring is installed on the upper end of the box, and the connecting rod is installed on the upper end of the box and extends to the inside of the box, which realizes the cleaning function and reduces the bacterial growth.

[0003] The blood dialysis concentrate micro-preparation device in the prior art is prone to have impurities remaining on the inner wall after long-term use, which is inconvenient to process, and the prepared blood dialysis concentrate is inconvenient to process, and the impurities are easily mixed in the dialysis liquid, affecting the blood dialysis concentrate. Therefore, the present application provides a blood dialysis concentrate micro-preparation device to solve the above problems. SUMMARY

[0004] Based on the background technology, the blood dialysis concentrate micro-preparation device is prone to have impurities remaining on the inner wall after long-term use, which is inconvenient to process, and the prepared blood dialysis concentrate is inconvenient to process, and the impurities are easily mixed in the dialysis liquid, affecting the blood dialysis concentrate. Therefore, the present application provides a blood dialysis concentrate micro-preparation device.

[0005] The application provides a hemodialysis concentrate micro-configuration device, which comprises a barrel, the top of the barrel is provided with a cover plate, the top of the cover plate is fixedly provided with a motor, the output shaft of the motor penetrates through the cover plate, the bottom end of the output shaft of the motor is fixedly provided with a stirring rod, the right side of the barrel is fixedly provided with a feeding pipe, the bottom of the barrel is fixedly provided with a discharging pipe, the bottom of the discharging pipe is fixedly provided with a shell, the inner side of the shell is provided with symmetrically arranged filter membranes, the number of the filter membranes is two, and the bottom of the barrel cover is fixedly provided with a sealing ring. The left side and the right side of the cover plate are provided with docking mechanisms and mounting mechanisms, the number of the docking mechanisms and the mounting mechanisms is two groups, the docking mechanisms are matched with the barrel and the mounting mechanisms respectively, the front side of the shell is provided with mounting mechanisms arranged in a matrix and symmetrically arranged unlocking mechanisms, the number of the mounting mechanisms is four groups, the number of the unlocking mechanisms is two groups, and the mounting mechanisms are matched with the unlocking mechanisms and the shell respectively.

[0006] Through the above mechanism, the control rod and the sliding frame on the left side and the right side of the barrel can be pulled to unlock the rotating rod, so that the rotating rod can unlock the cover plate, the cover plate can open the barrel, impurities in the barrel can be cleaned, subsequent hemodialysis concentrate liquid is not polluted, and the prepared blood concentrate dialysis liquid can be filtered by the shell, impurities can be filtered out, and the use of the hemodialysis concentrate liquid is not affected.

[0007] Preferably, the docking mechanism comprises a rotating rod, four matching blocks and a sliding frame. The rotating rod is rotationally connected with the cover plate, the matching blocks are fixedly connected with the barrel, the sliding frame is slidingly connected with the rotating rod, the sliding frame is fixedly connected with the matching blocks, and an oblique sliding groove is formed in the front side of the sliding frame.

[0008] Further, after the bottom of the sliding frame is attached to the bottom of the matching block, the sliding frame can connect the rotating rod and the barrel, so that the rotating rod cannot be separated from the barrel, the installation of the rotating rod can be realized, the rotating rod can install the barrel cover, and the barrel cover can stably seal the barrel.

[0009] Preferably, the mounting mechanism comprises a blocking block, a return spring, a driving rod and a control rod. The blocking block is slidingly connected with the sliding frame, the return spring is fixedly connected with the blocking block and the sliding frame respectively, the driving rod is fixedly connected with the blocking block, the driving rod is matched with the control rod, the control rod is matched with the sliding frame, and the blocking block is slidingly in contact with the matching block.

[0010] Further, after the blocking block engages with the matching block, the blocking block can block the sliding frame from disengaging with the matching block, so that the installation of the sliding frame is achieved, so that the sliding frame cannot disengage with the matching block, so that the sliding frame can install the position of the rotating rod and the barrel cover, and further seal the barrel body. After the control rod is pulled to the left side, the control rod can slide on the front side of the driving rod through the sliding block, and can drive the round rod to slide on the inner wall of the inclined sliding groove, so that the sliding rod can move obliquely to the lower left corner along the inclined sliding groove, so that the sliding rod can press down the driving rod through the sliding block, so that the driving rod can drive the blocking block to disengage with the matching block, so that the unlocking of the sliding frame is achieved, so that the sliding frame can be pulled out on the matching block, so that the rotating rod is unlocked, so that the rotating rod unlocks the barrel cover to open the barrel body, so that the inside of the barrel body and the stirring rod can be cleaned.

[0011] Preferably, the installation mechanism comprises: a fixed block, a positioning frame, a positioning spring and a spring seat. The fixed block is fixedly installed on the front side of the shell, the positioning frame is fixedly connected with the positioning spring, and the positioning spring is fixedly connected with the spring seat.

[0012] Further, after the positioning frame engages with the fixed block, the positioning frame can connect the fixed plate with the shell to block the fixed plate and the filter membrane from moving on the front side of the shell, so that the fixed plate and the filter membrane can be installed on the inside of the shell to stably filter the hemodialysis concentrate.

[0013] Preferably, the unlocking mechanism comprises: a cover plate, two connecting rods and a control frame. The cover plate is fixedly connected with the filter membrane, the fixed plate is slidingly connected with the positioning frame, the cover plate is fixedly connected with the spring seat, the connecting rod is fixedly connected with the positioning frame, and the control frame is slidingly connected on the front side of the cover plate.

[0014] Further, after the control frame is pushed upward, the control frame can squeeze the two connecting rods to move close to each other, so that the two connecting rods can drive the two positioning frames to move close to each other, so as to disengage from the fixed block, achieve the unlocking of the fixed plate, so that the fixed plate can be pulled out, the fixed plate can take out the filter membrane, and the replacement of the filter membrane is achieved without affecting the filtration of the hemodialysis concentrate.

[0015] Preferably, a rectangular groove is formed in the fixed block, a positioning block is fixedly installed on the positioning frame, and the positioning block is in sliding contact with the inner wall of the rectangular groove.

[0016] Further, after the positioning block engages with the rectangular groove, the positioning block can block the fixed plate from disengaging with the shell, so that the positioning of the fixed plate is achieved.

[0017] Preferably, a horizontal sliding groove is formed in the front side of the driving rod, a sliding block is fixedly installed on the rear side of the control rod, and the sliding block is in sliding connection with the inner wall of the horizontal sliding groove.

[0018] Further, the horizontal sliding groove is used for connecting the control rod, so that the control rod can move horizontally on the front side of the driving rod.

[0019] Preferably, the bottom end of the control rod is fixedly installed with a round rod, and the rear end of the round rod is in sliding connection with the inner wall of the inclined sliding groove.

[0020] Further, the round rod is used for connecting the control rod and the sliding frame, so that the control rod can move along the inclined sliding groove through the round rod to press the driving rod to move downward.

[0021] Preferably, the rear side of one end of each of the two connecting rods is fixedly installed with a round block, and the rear side of each of the two round rods is in sliding connection with the left inner wall and the right inner wall of the control frame.

[0022] Further, the round block is used for connecting the connecting rod and the control frame, so that the control frame can drive the connecting rod to move when the control frame rises.

[0023] The present application has the following advantages: After the bottom of the sliding frame is attached to the bottom of the matching block, the sliding frame can connect the rotating rod and the barrel, so that the rotating rod cannot be separated from the barrel, thereby achieving installation of the rotating rod, and the rotating rod can be installed on the barrel cover, so that the barrel cover can stably seal the barrel; After the blocking block is engaged with the matching block, the blocking block can block the sliding frame from being separated from the matching block, thereby achieving installation of the sliding frame, so that the sliding frame cannot be separated from the matching block, and the sliding frame can install the positions of the rotating rod and the barrel cover, and further seal the barrel. After the control rod is pulled to the left side, the control rod can slide on the front side of the driving rod through the sliding block, and can drive the round rod to slide on the inner wall of the inclined sliding groove, so that the sliding rod can move obliquely to the lower left corner along the inclined sliding groove, the sliding rod can press the driving rod downward through the sliding block, the driving rod can drive the blocking block to separate from the matching block, thereby achieving unlocking of the sliding frame, so that the sliding frame can be pulled out of the matching block, the rotating rod can be unlocked, the rotating rod can unlock the barrel cover, and the barrel can be opened, thereby cleaning the inside of the barrel and the stirring rod; After the positioning frame is engaged with the fixed block, the positioning frame can connect the fixed plate and the shell, thereby blocking the fixed plate and the filter membrane from moving on the front side of the shell, and the fixed plate and the filter membrane can be installed on the inside of the shell, thereby stably filtering the hemodialysis concentrate; After the control frame is pushed upward, the control frame can squeeze the two connecting rods to move closer to each other, so that the two connecting rods can drive the two positioning frames to move closer to each other, thereby separating from the fixed block, achieving unlocking of the fixed plate, so that the fixed plate can be pulled out, the fixed plate can pull out the filter membrane, and the filter membrane can be replaced without affecting the filtration of the hemodialysis concentrate; This invention allows the rotating rod to be unlocked by pulling the control lever and sliding frame on the left and right sides of the barrel. This unlocks the cover, allowing the barrel to be opened for cleaning impurities without contaminating the subsequent hemodialysis concentrate. Furthermore, the prepared hemodialysis concentrate can be filtered by the outer shell to remove impurities, ensuring its usability. Attached Figure Description

[0024] Figure 1 This is a schematic front sectional view of the structure of a micro-configuration device for hemodialysis concentrate proposed in this invention; Figure 2 This is a front view schematic diagram of the structural housing of a micro-configuration device for hemodialysis concentrate proposed in this invention; Figure 3 This is a schematic diagram of the structure of a micro-preparation device for hemodialysis concentrate proposed in this invention; Figure 4 The present invention provides a structural attachment to a micro-preparation device for hemodialysis concentrate. Figure 1 Enlarged diagram of A in the middle; Figure 5 The present invention provides a structural attachment to a micro-preparation device for hemodialysis concentrate. Figure 2 Enlarged diagram of B in the middle.

[0025] In the diagram: 1. Barrel body; 2. Barrel lid; 3. Sealing ring; 4. Motor; 5. Stirring rod; 6. Feed pipe; 7. Discharge pipe; 8. Outer shell; 9. Filter membrane; 10. Rotating rod; 11. Mating block; 12. Sliding frame; 13. Blocking block; 14. Return spring; 15. Driving rod; 16. Control rod; 17. Sliding block; 18. Cover plate; 19. Fixing block; 20. Positioning frame; 21. Positioning spring; 22. Spring seat; 23. Connecting rod; 24. Control frame. Detailed Implementation

[0026] The present invention will be further explained below with reference to specific embodiments.

[0027] refer to Figures 1-5 This embodiment proposes a micro-configuration device for hemodialysis concentrate, including a barrel 1, a cover plate 18 on the top of the barrel 1, a motor 4 fixedly installed on the top of the cover plate 18, the output shaft of the motor 4 passing through the cover plate 18, a stirring rod 5 fixedly installed at the bottom end of the output shaft of the motor 4, a feed pipe 6 fixedly installed on the right side of the barrel 1, a discharge pipe 7 fixedly installed at the bottom of the barrel 1, a shell 8 fixedly installed at the bottom of the discharge pipe 7, two filter membranes 9 symmetrically arranged on the inner side of the shell 8, and a sealing ring 3 fixedly installed at the bottom of the barrel cover 2. The left side and the right side of the cover plate 18 are respectively provided with a docking mechanism and a mounting mechanism, the number of the docking mechanism and the mounting mechanism is two groups, the docking mechanism is matched with the barrel body 1 and the mounting mechanism respectively, the front side of the shell 8 is provided with a mounting mechanism arranged in a matrix and a symmetrically arranged unlocking mechanism, the number of the mounting mechanism is four groups, the number of the unlocking mechanism is two groups, the mounting mechanism is matched with the unlocking mechanism and the shell 8 respectively.

[0028] Through the above-mentioned mechanism: by pulling the control rod 16 and the sliding frame 12 on the left side and the right side of the barrel body 1, the rotating rod 10 can be unlocked, so that the rotating rod 10 can unlock the cover plate 18, the cover plate 18 can open the barrel body 1, and the impurities in the barrel body 1 can be cleaned, the subsequent hemodialysis concentrate will not be contaminated, and the prepared hemodialysis concentrate can also be filtered by the shell 8, and the impurities can be filtered out, so that the use of the hemodialysis concentrate will not be affected.

[0029] In the embodiment, the docking mechanism comprises: the rotating rod 10, four matching blocks 11 and the sliding frame 12. The rotating rod 10 is rotatably connected with the cover plate 18, the matching block 11 is fixedly connected with the barrel body 1, the sliding frame 12 is slidably connected with the rotating rod 10, the sliding frame 12 is fixedly connected with the matching block 11, the front side of the sliding frame 12 is provided with an inclined sliding groove, after the bottom of the sliding frame 12 is matched with the bottom of the matching block 11, the sliding frame 12 can connect the rotating rod 10 with the barrel body 1, so that the rotating rod 10 cannot be separated from the barrel body 1, and the installation of the rotating rod 10 can be realized, and the rotating rod 10 can install the barrel cover 2, so that the barrel cover 2 can stably seal the barrel body 1.

[0030] In the embodiment, the mounting mechanism comprises: the blocking block 13, the reset spring 14, the driving rod 15 and the control rod 16. The blocking block 13 is slidingly connected to the sliding frame 12, the reset springs 14 are fixedly connected with the blocking block 13 and the sliding frame 12 respectively, the driving rod 15 is fixedly connected with the blocking block 13, the driving rod 15 cooperates with the control rod 16, the control rod 16 cooperates with the sliding frame 12, the blocking block 13 slidingly contacts with the cooperating block 11, after the blocking block 13 engages with the cooperating block 11, the blocking block 13 can block the sliding frame 12 from disengaging with the cooperating block 11, so that the installation of the sliding frame 12 is realized, the sliding frame 12 cannot disengage with the cooperating block 11, the sliding frame 12 can install the position of the rotating rod 10 and the barrel cover 2, and further seal the barrel body 1, after the control rod 16 is pulled to the left side, the control rod 16 can slide on the front side of the driving rod 15 through the sliding block 17, and can drive the round rod to slide on the inner wall of the inclined sliding groove, so that the sliding rod can move to the lower left corner along the inclined sliding groove, the sliding rod can press down the driving rod 15 through the sliding block 17, the driving rod 15 can drive the blocking block 13 to disengage with the cooperating block 11, so that the unlocking of the sliding frame 12 is realized, the sliding frame 12 can be pulled out on the cooperating block 11, the rotating rod 10 can be unlocked, the rotating rod 10 can unlock the barrel cover 2, and the barrel body 1 is opened, so that the inside of the barrel body 1 and the stirring rod 5 can be cleaned.

[0031] In the embodiment, the installation mechanism comprises a fixed block 19, a positioning frame 20, a positioning spring 21 and a spring seat 22. The fixed block 19 is fixedly installed on the front side of the shell 8, the positioning frame 20 is fixedly connected with the positioning spring 21, the positioning spring 21 is fixedly connected with the spring seat 22, after the positioning frame 20 engages with the fixed block 19, the positioning frame 20 can connect the fixed plate with the shell 8, so as to block the movement of the fixed plate and the filter membrane 9 on the front side of the shell 8, and the fixed plate and the filter membrane 9 can be installed on the inside of the shell 8, so as to stably filter the hemodialysis concentrate.

[0032] In the embodiment, the unlocking mechanism comprises a cover plate 18, two connecting rods 23 and a control frame 24. The cover plate 18 is fixedly connected with the filter membrane 9, the fixed plate is slidingly connected with the positioning frame 20, the cover plate 18 is fixedly connected with the spring seat 22, the connecting rod 23 is fixedly connected with the positioning frame 20, and the control frame 24 is slidingly connected on the front side of the cover plate 18, after the control frame 24 is pushed upward, the control frame 24 can squeeze the two connecting rods 23 to move close to each other, so that the two connecting rods 23 can drive the two positioning frames 20 to move close to each other, so as to disengage with the fixed block 19, realize the unlocking of the fixed plate, and the fixed plate can be pulled out, the fixed plate can take out the filter membrane 9, realize the replacement of the filter membrane 9, and the filtration of the hemodialysis concentrate is not affected.

[0033] In the embodiment, the fixed block 19 is provided with a rectangular recess, and the positioning block is fixedly installed on the positioning frame 20 and in sliding contact with the inner wall of the rectangular recess. After the positioning block engages with the rectangular recess, the positioning block can block the fixed plate from being separated from the shell 8, thereby achieving positioning of the fixed plate.

[0034] In the embodiment, the front side of the driving rod 15 is provided with a horizontal sliding slot, the rear side of the control rod 16 is fixedly installed with the sliding block 17, and the sliding block 17 is in sliding connection with the inner wall of the horizontal sliding slot. The horizontal sliding slot is used for connecting the control rod 16, so that the control rod 16 can move horizontally at the front side of the driving rod 15.

[0035] In the embodiment, the bottom end of the control rod 16 is fixedly installed with a round rod, the rear end of the round rod is in sliding connection with the inner wall of the oblique sliding slot, and the round rod is used for connecting the control rod 16 and the sliding frame 12, so that the control rod 16 can move along the oblique sliding slot through the round rod to press the driving rod 15 to move downward.

[0036] In the embodiment, the rear side of each end of the two connecting rods 23 close to each other is fixedly installed with a round block, the rear side of each of the two round rods is in sliding connection with the left inner wall and the right inner wall of the control frame 24, and the round block is used for connecting the connecting rod 23 and the control frame 24, so that the control frame 24 can drive the connecting rod 23 to move when the control frame 24 rises.

[0037] Working principle: the raw materials of hemodialysis concentrate are added to the inside of the barrel 1 through the feeding pipe 6, and then the motor 4 is started to drive the stirring rod 5 to rotate, so that the hemodialysis concentrate can be prepared, and then discharged through the discharge pipe 7, so that the filter membrane 9 inside the shell 8 can filter out impurities, without affecting the use of hemodialysis concentrate. If the barrel 1 needs to be cleaned, only need to pull the two control rods 16 on the two rotating rods 10, after the control rod 16 on the left side is pulled to the left, the control rod 16 can slide on the front side of the driving rod 15 through the sliding block 17, and can drive the round rod to slide on the inner wall of the inclined sliding groove, so that the sliding rod can move obliquely to the lower left corner along the inclined sliding groove, so that the sliding rod can press down the driving rod 15 through the sliding block 17, so that the driving rod 15 can drive the blocking block 13 to separate from the matching block 11, so that the sliding frame 12 can be unlocked, so that the sliding frame 12 can be pulled out on the matching block 11, so that the rotating rod 10 can be unlocked, the rotating rod 10 on the right side adopts the same operation, so that the rotating rod 10 can unlock the barrel cover 2 to open the barrel 1, so that the inside of the barrel 1 and the stirring rod 5 can be cleaned, so that the impurities in the barrel 1 can be cleaned, without polluting the subsequent hemodialysis concentrate. After cleaning, put the stirrer into the inside of the shell 8, place the barrel cover 2 on the top of the barrel 1, and press down the barrel cover 2, to compress the sealing ring 3, and rotate the two rotating rods 10 to drive the sliding frame 12 to contact with the matching block 11, and then push the sliding frame 12 to abut with the matching block 11, after the bottom of the sliding frame 12 abuts with the bottom of the matching block 11, the rotating rod 10 can be connected with the barrel 1, so that the rotating rod 10 cannot be separated from the barrel 1, so that the installation of the rotating rod 10 can be realized, the rotating rod 10 can install the barrel cover 2, so that the barrel cover 2 can stably seal the barrel 1, at this time the blocking block 13 will automatically engage with the matching block 11, after the blocking block 13 engages with the matching block 11, the blocking block 13 can block the sliding frame 12 from separating from the matching block 11, so that the installation of the sliding frame 12 can be realized, so that the sliding frame 12 cannot separate from the matching block 11, so that the sliding frame 12 can install the position of the rotating rod 10 and the barrel cover 2, further seal the barrel 1. When the filter membrane 9 needs to be replaced after long-term use, only need to push the control frame 24 on the front side of the fixed plate at the current position, after the control frame 24 is pushed upward, the control frame 24 can squeeze the two connecting rods 23 to move closer to each other, so that the two connecting rods 23 can drive the two positioning frames 20 to move closer to each other, so that the two positioning frames 20 can be separated from the fixed block 19, so that the fixed plate can be unlocked, so that the fixed plate can be pulled out, so that the fixed plate can take out the filter membrane 9, so that the replacement of the filter membrane 9 can be realized, without affecting the filtration of hemodialysis concentrate. Then insert the new filter membrane 9 and the fixed plate into the inside of the shell 8, and release the positioning frame 20, so that the positioning frame 20 can automatically engage with the fixed block 19, after the positioning frame 20 engages with the fixed block 19,The positioning frame 20 can connect the fixed plate and the shell 8, block the fixed plate and the filter membrane 9 on the front side of the shell 8, and install the fixed plate and the filter membrane 9 on the inner side of the shell 8, so as to stably filter the hemodialysis concentrate.

[0038] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered by the protection scope of the present application.

Claims

1. A micro-preparation device for hemodialysis concentrate, comprising a container (1), characterized in that, The top of the barrel (1) is provided with a cover plate (18), and a motor (4) is fixedly installed on the top of the cover plate (18). The output shaft of the motor (4) passes through the cover plate (18), and a stirring rod (5) is fixedly installed at the bottom of the output shaft of the motor (4). A feed pipe (6) is fixedly installed on the right side of the barrel (1), and a discharge pipe (7) is fixedly installed at the bottom of the barrel (1). A shell (8) is fixedly installed at the bottom of the discharge pipe (7). A filter membrane (9) is symmetrically arranged on the inner side of the shell (8). There are two filter membranes (9). A sealing ring (3) is fixedly installed at the bottom of the barrel cover (2). The left and right sides of the cover plate (18) are provided with docking mechanisms and installation mechanisms. There are two sets of docking mechanisms and fixing mechanisms. The docking mechanisms cooperate with the barrel body (1) and the fixing mechanism respectively. The front side of the outer shell (8) is provided with installation mechanisms arranged in a matrix and unlocking mechanisms arranged symmetrically. There are four sets of installation mechanisms and two sets of unlocking mechanisms. The installation mechanisms cooperate with the unlocking mechanisms and the outer shell (8) respectively.

2. The micro-preparation device for hemodialysis concentrate according to claim 1, characterized in that, The docking mechanism includes: a rotating rod (10), four mating blocks (11), and a sliding frame (12); The rotating rod (10) is rotatably connected to the cover plate (18), the mating block (11) is fixedly connected to the barrel body (1), the sliding frame (12) is slidably connected to the rotating rod (10), the sliding frame (12) is fixedly connected to the mating block (11), and an oblique sliding groove is provided on the front side of the sliding frame (12).

3. The micro-preparation device for hemodialysis concentrate according to claim 1, characterized in that, The fixing mechanism includes: a blocking block (13), a return spring (14), a driving rod (15), and a control rod (16). The blocking block (13) is slidably connected to the sliding frame (12), the return spring (14) is fixedly connected to the blocking block (13) and the sliding frame (12) respectively, the driving rod (15) is fixedly connected to the blocking block (13), the driving rod (15) cooperates with the control rod (16), the control rod (16) cooperates with the sliding frame (12), and the blocking block (13) slides in contact with the mating block (11).

4. The micro-preparation device for hemodialysis concentrate according to claim 1, characterized in that, The installation mechanism includes: a fixing block (19), a positioning frame (20), a positioning spring (21), and a spring seat (22); The fixing block (19) is fixedly installed on the front side of the outer shell (8), the positioning frame (20) is fixedly connected to the positioning spring (21), and the positioning spring (21) is fixedly connected to the spring seat (22).

5. The micro-preparation device for hemodialysis concentrate according to claim 1, characterized in that, The unlocking mechanism includes: a cover plate (18), two connecting rods (23) and a control frame (24); The cover plate (18) is fixedly connected to the filter membrane (9), the fixing plate is slidably connected to the positioning frame (20), the cover plate (18) is fixedly connected to the spring seat (22), the connecting rod (23) is fixedly connected to the positioning frame (20), and the control frame (24) is slidably connected to the front side of the cover plate (18).

6. The micro-preparation device for hemodialysis concentrate according to claim 4, characterized in that, The fixing block (19) has a rectangular groove, and the positioning frame (20) has a positioning block fixedly installed on it. The positioning block slides in contact with the inner wall of the rectangular groove.

7. The micro-preparation device for hemodialysis concentrate according to claim 3, characterized in that, A horizontal groove is provided on the front side of the drive rod (15), and a sliding block (17) is fixedly installed on the rear side of the control rod (16). The sliding block (17) is slidably connected to the inner wall of the horizontal groove.

8. The micro-preparation device for hemodialysis concentrate according to claim 3, characterized in that, A round rod is fixedly installed at the bottom end of the control rod (16), and the rear end of the round rod is slidably connected to the inner wall of the inclined groove.

9. A micro-preparation device for hemodialysis concentrate according to claim 5, characterized in that, Two connecting rods (23) are fixedly mounted with round blocks on the rear side of their respective ends, and the rear sides of the two round rods are slidably connected to the left inner wall and the right inner wall of the control frame (24).

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