Automatic membrane filtering device for microorganism chamber of clinical laboratory

Abstract

The invention relates to the technical field of medical instruments, in particular to an automatic membrane filtering device used in a clinical laboratory microorganism room, which comprises a workbench, a nutrient solution culture box is fixedly connected to the edge of one side of the top end of the workbench, and a collecting groove is formed in one side of the interior of the workbench. An L-shaped supporting frame is fixedly connected to one side of the top end of the workbench, a reciprocating air cylinder is fixedly connected to the inner top end of the supporting frame, a lifting disc is fixedly connected to the bottom end of the reciprocating air cylinder, a plurality of pressing blocks are fixedly connected to the edge of the bottom end of the lifting disc, and an annular first water guide pipe is embedded in the lifting disc. A plurality of flow dividing pipes are embedded in the bottom end of the first water guide pipe and penetrate through the interior of the pressing block, and sprayers are arranged at the bottom ends of the flow dividing pipes. According to the device, a solution is accelerated to pass through a filter membrane of the device, so that some filter membranes can be attached to the interior of the filter membrane, the complexity of manual operation in the whole process is avoided, and the operation efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and specifically relates to a membrane automatic filtering device used in a microbiology laboratory of a clinical laboratory. Background Art

[0002] In the microbiology laboratory of a clinical laboratory, the filtration of a membrane is generally mainly to remove impurities so as not to interfere with the subsequent viewing, culturing and identification of target microorganisms. The membranes used include microfiltration membranes, ultrafiltration membranes and ion exchange membranes, which are used to filter, separate and concentrate the components in biological samples.

[0003] The traditional filtration method is carried out manually, and the operation efficiency is low. When processing a large number of biological samples for microorganism detection or component analysis, the staff needs to manually place the samples on the filtration device and manually apply pressure to make the liquid pass through the filter membrane. This process is not only time-consuming, but also may result in poor filtration effect due to the instability of manual operation. Therefore, it is necessary to propose a membrane automatic filtering device used in a microbiology laboratory of a clinical laboratory. Summary of the Invention

[0004] In view of the problems in the prior art, the present invention provides a membrane automatic filtering device used in a microbiology laboratory of a clinical laboratory.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a membrane automatic filtering device used in a microbiology laboratory of a clinical laboratory, including a workbench. One side edge at the top of the workbench is fixedly connected with a nutrient solution culture box. One side inside the workbench is provided with a collection tank. One side at the top of the workbench is fixedly connected with a support frame arranged in an L shape. The inner top of the support frame is fixedly connected with a reciprocating cylinder. The bottom end of the reciprocating cylinder is fixedly connected with a lifting plate. A plurality of pressing blocks are fixedly connected to the bottom edge of the lifting plate. A first water guide pipe arranged in a ring shape is embedded in the lifting plate. A plurality of shunt pipes are embedded at the bottom end of the first water guide pipe, and the plurality of shunt pipes penetrate through the pressing blocks. Nozzles are arranged at the bottom ends of the plurality of shunt pipes, and the plurality of nozzles are embedded in the inner bottom ends of the pressing blocks. Rubber rings are fixedly connected to the lower ends of the outer walls of the plurality of pressing blocks. One side at the top of the support frame is fixedly connected with a water storage tank. A connecting hose is embedded at the lower end of one side of the water storage tank. A water pump is fixedly connected to the top of the lifting plate close to the connecting hose, and the output end of the water pump is connected to the first water guide pipe, and the input end of the water pump is connected to the connecting hose; A bearing block is fixedly connected to the middle of the top end of the workbench. A receiving groove is formed at the bottom end of the workbench. An electric telescopic rod is fixedly connected to the top end of the workbench inside the receiving groove. The top end of the electric telescopic rod is fixedly connected to a connecting plate. A plurality of sliders are fixedly connected to the arc-shaped outer wall of the connecting plate. A plurality of ejector rods are fixedly connected to the top end of the connecting plate. A plurality of filter barrels are embedded in the top end of the bearing block. The bottom ends of the plurality of filter barrels are fixedly connected to connecting barrels arranged in a funnel shape. A second water guide pipe arranged in a ring shape is embedded through the inside of the plurality of connecting barrels. A water outlet pipe is embedded at the bottom end of one side of the second water guide pipe, and the water outlet pipe penetrates and extends into the collection tank. A valve is fixedly connected to the upper end of the outer wall of the bearing block, and the water outlet pipe penetrates through it. A filter plate is fixedly connected to the upper end of the inner side wall of the plurality of filter barrels. A plurality of the ejector rods all penetrate and extend into the connecting barrel and extend into the filter plate. A cushion rod is fixedly connected to the upper end of the rod wall of the plurality of ejector rods.

[0006] Specifically, a storage drawer is slidably connected through the other side inside the workbench, and a handle is fixedly connected to the middle of the outer wall of the storage drawer.

[0007] Specifically, a drain pipe is embedded through one side of the collection tank.

[0008] Specifically, the outer diameters of the plurality of pressing blocks are all adapted to the inner diameters of the filter barrels.

[0009] Specifically, a plurality of sliding grooves are formed in the inner wall of the receiving groove, and the sliders are all clamped in the sliding grooves.

[0010] Specifically, a plurality of first filter holes are formed on the surfaces of the plurality of cushion rods, and a plurality of second filter holes are formed through the surfaces of the plurality of filter plates, and the diameters of the second filter holes are adapted to the diameters of the first filter holes.

[0011] Specifically, a plurality of cushion rod grooves are formed at the top ends of the plurality of filter plates, and the plurality of cushion rods are all clamped in the cushion rod grooves.

[0012] Advantages of the present invention: (1) For a membrane automatic filtering device used in a microbiology laboratory of a clinical laboratory, the present invention drives the lifting plate to move downward through the reciprocating cylinder, and then through the combined use of a plurality of pressing blocks, rubber rings, filter barrels, water storage tanks, connecting hoses, and water pumps, a solution to be detected can be injected into the filter barrels. Then, by pressing down the plurality of pressing blocks and through the sealing action of the rubber rings, the passage of the solution through its filter membrane can be accelerated, so that some filter membranes can adhere to the inside of the filter membrane, avoiding the tediousness of the whole process of manual operation and improving the operation efficiency.

[0013] (2) The membrane automatic filtering device used in the microbiology laboratory of the inspection department according to the present invention drives the connecting plate to move upward by setting an electric telescopic rod, and then through the cooperation of the set ejector rod, several cushion rods, filter plate, and cushion rod grooves, several cushion rods can drive the filter membrane upward, and then the staff can use tweezers to clamp several filter membranes into the nutrient solution culture box for further observation. Brief Description of the Drawings

[0014] The present invention will be further described below in conjunction with the drawings and embodiments.

[0015] Figure 1 It is a schematic structural diagram of a membrane automatic filtering device used in the microbiology laboratory of the inspection department provided by the present invention; Figure 2 It is a schematic overall sectional structure diagram of a membrane automatic filtering device used in the microbiology laboratory of the inspection department provided by the present invention; Figure 3 It is a schematic structural diagram of a bearing block of a membrane automatic filtering device used in the microbiology laboratory of the inspection department provided by the present invention; Figure 4 It is a schematic internal structure diagram of a bearing block of a membrane automatic filtering device used in the microbiology laboratory of the inspection department provided by the present invention; Figure 5 It is a schematic sectional structure diagram of a filtering barrel of a membrane automatic filtering device used in the microbiology laboratory of the inspection department provided by the present invention; Figure 6 It is a schematic enlarged structure diagram at A of a membrane automatic filtering device used in the microbiology laboratory of the inspection department provided by the present invention; Figure 7 It is a schematic enlarged structure diagram at B of a membrane automatic filtering device used in the microbiology laboratory of the inspection department provided by the present invention.

[0016] In the figure: 1, workbench; 101, collection tank; 11, nutrient solution culture box; 12, storage drawer; 13, drain pipe; 2, support frame; 21, reciprocating cylinder; 22, lifting plate; 23, pressing block; 24, first water conduit; 25, shunt pipe; 26, spray head; 27, rubber ring; 3, water storage tank; 31, connecting hose; 32, water pump; 4, bearing block; 401, receiving groove; 402, sliding groove; 403, first filter hole; 41, electric telescopic rod; 42, connecting plate; 43, slider; 44, ejector rod; 45, cushion rod; 5, filtering barrel; 501, cushion rod groove; 502, second filter hole; 51, connecting barrel; 52, second water conduit; 53, outlet pipe; 54, valve; 55, filter plate. Detailed Embodiments

[0017] In order to make the technical means, creative features, achieved purposes and effects realized by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0018] As Figures 1-7 shown, a membrane automatic filtering device used in a microbiology laboratory of a clinical laboratory according to the present invention includes a workbench 1. One side edge of the top end of the workbench 1 is fixedly connected with a nutrient solution culture box 11. A collection tank 101 is opened on one side inside the workbench 1. A support frame 2 arranged in an L shape is fixedly connected to one side of the top end of the workbench 1. A reciprocating cylinder 21 is fixedly connected to the inner top end of the support frame 2. A lifting plate 22 is fixedly connected to the bottom end of the reciprocating cylinder 21. A plurality of pressing blocks 23 are fixedly connected to the bottom edges of the lifting plate 22. A first water guide pipe 24 arranged in a ring shape is embedded in the lifting plate 22. A plurality of shunt pipes 25 are embedded in the bottom end of the first water guide pipe 24, and the plurality of shunt pipes 25 penetrate through the pressing blocks 23. Nozzles 26 are arranged at the bottom ends of the plurality of shunt pipes 25, and the plurality of nozzles 26 are embedded in the inner bottom ends of the pressing blocks 23. Rubber rings 27 are fixedly connected to the lower ends of the outer walls of the plurality of pressing blocks 23. A water storage tank 3 is fixedly connected to one side of the top end of the support frame 2. A connecting hose 31 is embedded in the lower end of one side of the water storage tank 3. A water pump 32 is fixedly connected to the top end of the lifting plate 22 near the connecting hose 31. The output end of the water pump 32 is connected to the first water guide pipe 24, and the input end of the water pump 32 is connected to the connecting hose 31; A bearing block 4 is fixedly connected to the middle of the top end of the workbench 1. A receiving groove 401 is opened at the bottom end of the workbench 1. An electric telescopic rod 41 is fixedly connected to the inside of the top end of the workbench 1 at the position of the receiving groove 401. A connecting plate 42 is fixedly connected to the top end of the electric telescopic rod 41. A plurality of sliding blocks 43 are fixedly connected to the arc-shaped outer walls of the connecting plate 42. A plurality of ejector rods 44 are fixedly connected to the top ends of the connecting plate 42. A plurality of filter barrels 5 are embedded in the top ends of the bearing block 4. Funnel-shaped connecting barrels 51 are fixedly connected to the bottom ends of the plurality of filter barrels 5. A second water guide pipe 52 arranged in a ring shape is penetrated and embedded in each of the plurality of connecting barrels 51. A water outlet pipe 53 is embedded in the bottom end of one side of the second water guide pipe 52, and the water outlet pipe 53 penetrates and extends into the collection tank 101. A valve 54 is fixedly connected to the upper end of the outer wall of the bearing block 4, and the water outlet pipe 53 penetrates through it. Filter plates 55 are fixedly connected to the upper ends of the inner side walls of the plurality of filter barrels 5. The plurality of ejector rods 44 all penetrate and extend into the connecting barrels 51 and extend into the filter plates 55. Pad rods 45 are fixedly connected to the upper ends of the rod walls of the plurality of ejector rods 44.

[0019] Specifically, a storage drawer 12 is slidably connected through the other side inside the workbench 1, and a handle is fixedly connected to the middle of the outer wall of the storage drawer 12. The storage drawer 12 can store some medical instruments.

[0020] Specifically, a drain pipe 13 is embedded through one side of the collection tank 101, and the waste liquid inside the collection tank 101 can be discharged through the drain pipe 13.

[0021] Specifically, the outer diameters of several pressing blocks 23 are all adapted to the inner diameter of the filter barrel 5, and the pressing blocks 23 can be pressed down along the inner wall of the filter barrel 5.

[0022] Specifically, several sliding grooves 402 are opened on the inner walls of the accommodation grooves 401, and the sliding blocks 43 are all stuck in the sliding grooves 402. The connecting plate 42 slides up and down along the sliding grooves 402 through several sliding blocks 43.

[0023] Specifically, several first filter holes 403 are opened on the surfaces of several cushion rods 45, and several second filter holes 502 are penetrated through the surfaces of several filter plates 55. The diameter of the second filter holes 502 is adapted to the diameter of the first filter holes 403, and the staff can lay the membrane flat on the filter plates 55.

[0024] Specifically, several cushion rod grooves 501 are opened at the tops of several filter plates 55, and several cushion rods 45 are all stuck in the cushion rod grooves 501. The cushion rod grooves 501 can store the cushion rods 45.

[0025] During use, first, the staff places the filter membrane on several filter plates 55, and then starts the reciprocating cylinder 21 to drive the lifting plate 22 to move downward until several pressing blocks 23 enter the interior of the filter barrel 5. Then, start the water pump 32 to transport the solution to be detected in the water storage tank 3 to the first water guide pipe 24 through the connecting hose 31, which will flow to several shunt pipes 25 and flow out through the nozzles 26 to fill the filter membrane. Then, continue to move the lifting plate 22 downward. Under the action of the rubber ring 27, the interior of the filter barrel 5 can be compressed. The solution to be detected will be accelerated through the filter membrane under pressure, and some impurities will be adsorbed inside the filter membrane. Then, open the valve 54. At this time, the solution inside the filter barrel 5 will flow through the connecting barrel 51 into the second water guide pipe 52, and then the solution will be discharged into the collection tank 101 through the water outlet pipe 53. Then, start the reciprocating cylinder 21 to move upward, so that several pressing blocks 23 are separated from the filter barrel 5. Then, start the electric telescopic rod 41 to drive the connecting plate 42 to move upward. The connecting plate 42 slides upward along the sliding grooves 402 through several sliding blocks 43. At this time, the connecting plate 42 will drive the cushion rod 45 to move upward through several ejector rods 44, so that the filter membrane moves upward synchronously to facilitate the staff to clamp it. After that, the staff will place the filter membrane in the nutrient solution culture box 11 for further observation.

[0026] The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and all these changes and improvements fall within the scope of protection required by the present invention. The scope of protection required by the present invention is defined by the appended claims and their equivalents.

Claims

1. A membrane automatic filtration device used in a microbiology laboratory of a laboratory, comprising a workbench (1), characterized in that: A nutrient solution culture box (11) is fixedly connected to the edge of one side of the top of the workbench (1); a collecting tank (101) is provided on one side of the interior of the workbench (1); a support frame (2) arranged in an L-shape is fixedly connected to the top of the workbench (1); a reciprocating cylinder (21) is fixedly connected to the top of the support frame (2); a lifting plate (22) is fixedly connected to the bottom of the reciprocating cylinder (21); a plurality of pressing blocks (23) are fixedly connected to the bottom edge of the lifting plate (22); a first water pipe (24) arranged in a ring shape is embedded in the interior of the lifting plate (22); a plurality of shunt pipes (25) are embedded at the bottom of the first water pipe (24); and a plurality of shunt pipes (25) are embedded in the bottom of the plurality of shunt pipes (25). 25) is arranged through the inside of the pressing block (23), a plurality of the diversion pipes (25) are provided with nozzles (26) at the bottom ends, and a plurality of the nozzles (26) are embedded in the bottom ends of the pressing block (23), a plurality of the lower ends of the outer walls of the pressing blocks (23) are fixedly connected with rubber rings (27), a top side of the support frame (2) is fixedly connected with a water storage tank (3), a lower end of one side of the water storage tank (3) is embedded with a connecting hose (31), a top side of the lifting plate (22) is fixedly connected with a water pump (32) near the connecting hose (31), and the output end of the water pump (32) is connected to the first water conduit (24), and the input end of the water pump (32) is connected to the connecting hose (31); A bearing block (4) is fixedly connected to the middle of the top of the workbench (1); a receiving groove (401) is provided at the bottom of the workbench (1); an electric telescopic rod (41) is fixedly connected to the top of the workbench (1) and located inside the receiving groove (401); a connecting plate (42) is fixedly connected to the top of the electric telescopic rod (41); and a plurality of sliding blocks (43) are fixedly connected to the arc-shaped outer wall of the connecting plate (42). The top of the connecting plate (42) is fixedly connected to a plurality of push rods (44), the top of the bearing block (4) is embedded with a plurality of filter barrels (5), the bottom of the plurality of filter barrels (5) is fixedly connected to a connecting barrel (51) arranged in a funnel shape, the inside of the plurality of connecting barrels (51) is penetrated and embedded with a second water pipe (52) arranged in a ring shape, the bottom of one side of the second water pipe (52) is embedded with a water outlet pipe (53), and the water outlet pipe (53) extends through and into the collection tank (101), the upper end of the outer wall of the bearing block (4) is fixedly connected to a valve (54), and the water outlet pipe (53) passes through it, The upper ends of the inner side walls of the plurality of filter barrels (5) are fixedly connected to filter plates (55), the plurality of top rods (44) extend through the connection barrel (51) and into the filter plates (55), and the upper ends of the rod walls of the plurality of top rods (44) are fixedly connected to cushion rods (45).

2. The membrane automatic filtration device used in the microbiology room of the laboratory according to claim 1 is characterized by: A storage drawer (12) is slidably connected to the other side of the workbench (1), and a handle is fixedly connected to the middle of the outer wall of the storage drawer (12).

3. The membrane automatic filtration device used in the microbiology room of the laboratory according to claim 1 is characterized by: A drainage pipe (13) is embedded and penetrated through one side of the collection tank (101).

4. The membrane automatic filtration device used in the microbiology room of the laboratory according to claim 1 is characterized by: The outer diameters of the plurality of pressing blocks (23) are all compatible with the inner diameter of the filter barrel (5).

5. The membrane automatic filtration device used in the microbiology room of the laboratory according to claim 1 is characterized by: The inner wall of the receiving groove (401) is provided with a plurality of sliding grooves (402), and the sliding blocks (43) are all clamped in the sliding grooves (402).

6. The membrane automatic filtration device used in the microbiology room of the laboratory according to claim 1 is characterized by: A plurality of first filter holes (403) are provided on the surfaces of the plurality of pad rods (45), a plurality of second filter holes (502) are provided through the surfaces of the plurality of filter plates (55), and the calibers of the second filter holes (502) match the calibers of the first filter holes (403).

7. The membrane automatic filtration device used in the microbiology room of the laboratory according to claim 1 is characterized by: A plurality of pad rod grooves (501) are formed at the top ends of the plurality of filter plates (55), and the plurality of pad rods (45) are clamped in the pad rod grooves (501).

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