An antigen filtration device

Abstract

This invention provides an antigen filtration device, belonging to the technical field of antigen processing equipment. The antigen filtration device includes a body, a filtration unit, a lifting device, and a reciprocating device. The body includes a shell divided into an upper cavity and a lower cavity by a circular slide rail, with a turntable slidably connected within the circular slide rail. The filtration unit is located in the upper cavity and includes an upper tube, a lower tube, and an ultrafiltration membrane disposed within both tubes. The lifting device includes at least two support parts and a lifting part. The flange of the upper tube can be placed in an adapter groove, and the upper and lower tubes are fixed together by washers and bolts. This not only facilitates the disassembly of the upper and lower tubes but also enhances their sealing. Furthermore, the upper and lower tubes form an integrated structure, allowing for rapid secondary filtration after primary filtration, thereby improving filtration efficiency.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of antigen processing equipment, and particularly relates to an antigen filtering equipment. BACKGROUND

[0002] An antigen refers to a substance capable of inducing the production of antibodies, and is any substance capable of inducing an immune response. Foreign molecules can be recognized by immunoglobulins on B cells or processed by antigen-presenting cells and combined with major histocompatibility complexes to reactivate T cells, thereby triggering a continuous immune response.

[0003] At present, in the filtering treatment of antigens, the filtering components are two-stage filtering components in a split type, that is, two filtering cores with two specifications are connected in communication with antigen transmission through a connecting pipeline. This kind of mode has some disadvantages:

[0004] ① Each filtering core needs to be separately configured with a box body and a support component, and it is easy to cause unreasonable layout of components, resulting in relatively dense space of the box body, which is not conducive to equipment maintenance and increases manufacturing cost.

[0005] ② The split type filtering cannot be linked, that is, the two cannot be simultaneously subjected to centrifugal motion through the same reciprocating motion mechanism, so that the filtering efficiency is low. SUMMARY

[0006] The antigen filtering equipment provided by the embodiments of the application aims to solve the problems of high manufacturing cost and low filtering efficiency of the existing split type two-stage filtering equipment.

[0007] In view of the above problems, the technical scheme provided by the application is:

[0008] An antigen filtering equipment comprises:

[0009] A machine body comprising a shell body divided into an upper cavity and a lower cavity by a circular slide, and a rotating disc slidably connected in the circular slide;

[0010] A filtering device arranged in the upper cavity, the filtering device comprising an upper pipe body, a lower pipe body, and an ultrafiltration membrane arranged in the upper pipe body and the lower pipe body;

[0011] A lifting device comprising at least two support portions and a jacking portion, the two support portions being connected to surfaces of the upper pipe body and the lower pipe body respectively, and the jacking portion being connected to the two support portions in sequence.

[0012] As a preferred technical scheme of the application, the top of the shell body is provided with an upper cover, and the surface of the upper cover is provided with a first handle radially symmetrical.

[0013] As a preferred technical scheme of the present application, the upper port of the upper pipe body and the lower pipe body are provided with mounting grooves.

[0014] As a preferred technical scheme of the present application, the upper port of the upper pipe body is provided with a sealing cover, and the top of the sealing cover is fixedly connected with a second handle.

[0015] As a preferred technical scheme of the present application, the flange of the upper pipe body is provided with annularly distributed positioning holes, the flange of the lower pipe body is provided with an adaptive groove, the adaptive groove is provided with positioning rods corresponding to the positions of the positioning holes, and the shaft centers of every third positioning rod are provided with screw holes.

[0016] As a preferred technical scheme of the present application, the adaptive groove above the positioning rods is provided with a gasket, and the gasket is provided with through holes corresponding to the positions of the screw holes, and each through hole is provided with a bolt.

[0017] As a preferred technical scheme of the present application, the ultrafiltration membrane is placed in the mounting groove through a connecting block, and the connecting block located on the upper pipe body is in a stepped shape.

[0018] As a preferred technical scheme of the present application, the support part comprises a support plate and a clamping piece, the center of the support plate is provided with a through hole, and the through hole is provided with radially symmetrical clamping pieces.

[0019] As a preferred technical scheme of the present application, the clamping piece comprises a clamping piece, a guide rod, a screw rod and a handle, the clamping piece is fixedly connected with two guide rods and a screw rod on one side close to the side wall of the through hole, the screw rod is located between the two guide rods, the side wall of the through hole is provided with a guide hole for the movement of the guide rod, the side wall of the through hole is provided with a screw hole for the screw rod, and the end of the screw rod outside the through hole is fixedly connected with the handle.

[0020] As a preferred technical scheme of the present application, the jacking part comprises four jacking rods, a screw sleeve, a driven gear, a driving gear, a first transmission shaft and a first motor, each jacking rod has an external thread segment, each jacking rod is threadedly connected with the screw sleeve through the external thread segment, each screw sleeve is fixed on the rotating disc through a first bearing seat, the surface of each screw sleeve is sleeved with the driven gear, the four driven gears are engaged with the driving gear, the shaft center of the driving gear is fixedly connected with the driving gear, the shaft center of the driving gear is fixedly connected with the first transmission shaft, and one end of the first transmission shaft is fixedly connected with the output end of the first motor.

[0021] Compared with the prior art, the present application has the following advantages:

[0022] (1) The flange of the upper pipe body can be placed in the matching groove, and the upper pipe body and the lower pipe body are fixed through the cooperation of the gasket and the bolt. On the one hand, not only is the disassembly of the upper pipe body and the lower pipe body facilitated, but also the sealing of the upper pipe body and the lower pipe body is enhanced. On the other hand, the upper pipe body and the lower pipe body form an integrated structure, and after primary filtration, secondary filtration can be quickly performed, thereby improving the filtration efficiency.

[0023] (2) Through the setting of the lifting device, the support part not only can play a supporting role, but also can play a clamping role, so that the filtering device can be conveniently disassembled and assembled. The jacking part extends the filtering device out of the upper cavity part, which not only facilitates the taking out of the filtering device, but also facilitates the cleaning of the filtering device.

[0024] (3) Through the setting of the reciprocating device, the filtering device can be driven to reciprocatingly rotate, so that the filtering device and the antigens in the filtering device perform centrifugal motion, thereby accelerating the filtration of the antigens.

[0025] The above description is only a summary of the technical scheme of the present application. In order to more clearly understand the technical means of the present application, the content of the specification can be implemented, and in order to make the above and other purposes, characteristics and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a perspective view of an antigen filtering device disclosed by the present application;

[0027] Figure 2 is a sectional view of an antigen filtering device disclosed by the present application;

[0028] Figure 3 is a sectional view of a filtering device of an antigen filtering device disclosed by the present application;

[0029] Figure 4 is a perspective view of an upper pipe body of an antigen filtering device disclosed by the present application;

[0030] Figure 5 is a perspective view of a lower pipe body of an antigen filtering device disclosed by the present application;

[0031] Figure 6 is a perspective view of a gasket of an antigen filtering device disclosed by the present application;

[0032] Figure 7 is a perspective view of a lifting device of an antigen filtering device disclosed by the present application;

[0033] Figure 8 is a perspective view of a reciprocating device of an antigen filtering device disclosed by the present application;

[0034] Figure 9is a perspective view of a driving part of an antigen filtering device disclosed by the application;

[0035] Figure 10 is a flow chart of a use method of an antigen filtering device disclosed by the application.

[0036] FIG. 100, body; 110, shell; 111, circular slide; 111a, rotating disc; 112, upper cavity; 113, lower cavity; 1131, mounting hole; 120, upper cover; 121, first handle; 200, filtering device; 210, upper tube body; 211, mounting groove; 212, sealing cover; 2121, second handle; 213, positioning hole; 220, lower tube body; 221, adapting groove; 222, positioning rod; 223, screw hole; 224, gasket; 2241, perforation; 225, bolt; 230, ultrafiltration membrane; 231, connecting block; 240, collecting cylinder; 300, lifting device; 310, support part; 311, support plate; 3111, through hole; 312, clamping piece; 3121, clamping piece; 3122, guide rod; 3123, screw rod; 3124, handle; 320, jacking part; 321, jacking rod; 322, screw sleeve; 3221, first bearing seat; 323, driven gear; 324, driving gear; 325, first transmission shaft; 326, first motor; 400, reciprocating device; 410, support frame; 411, connecting plate; 412, side plate; 4121, let hole; 420, driving part; 421, second bearing seat; 422, curved arm; 423, second motor; 424, third bearing seat; 425, rotating shaft; 426, swing arm; 4261, limiting hole; 430, execution part; 431, toothed plate; 432, transmission gear; 433, second transmission shaft; 434, fourth bearing seat. DETAILED DESCRIPTION

[0037] For the purpose, technical solutions and advantages of the embodiments of the present application to be clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0038] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0039] It should be noted that similar reference numbers and letters refer to similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

[0040] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0041] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0042] Embodiment one

[0043] Referring to the drawings Figures 1-9 The present application provides a technical solution: an antigen filtration device, comprising a body 100, a filtration device 200, a lifting device 300 and a reciprocating device 400;

[0044] Referring to the drawings Figures 1-2 As shown in the drawings, the body 100 comprises a shell 110 divided into an upper cavity 112 and a lower cavity 113 by a circular slide 111, and a rotating disc 111a is slidably connected in the circular slide 111. The shell 110 is arranged in an L shape, and the protruding part of the shell 110 can be used as a support base.

[0045] In this embodiment, the top of the shell 110 is provided with an upper cover 120, and the surface of the upper cover 120 is provided with a radially symmetric first handle 121. By providing the upper cover 120 and the first handle 121, the upper cover 120 can be closed or opened to the shell 110 through the first handle 121 before or after the filtration is completed.

[0046] Referring to the drawings Figures 2-6 As shown in the drawings, the filtration device 200 is arranged in the upper cavity 112, and the filtration device 200 comprises an upper pipe body 210, a lower pipe body 220, and an ultrafiltration membrane 230 arranged in the upper pipe body 210 and the lower pipe body 220.

[0047] In this embodiment, two ultrafiltration membranes 230 are arranged in the same housing 110 and distributed in the upper tube body 210 and the lower tube body 220, which not only reduces the manufacturing cost but also realizes two-stage filtration compared with the prior art.

[0048] However, the two-stage ultrafiltration membranes 230 are selected according to actual needs, for example, there are four commonly used specifications of 6000 daltons, 10000 daltons, 50000 daltons and 100000 daltons according to the standard molecular weight cut-off; then, if the ultrafiltration membrane 230 of the upper tube body 210 is selected to be 6000 daltons, the ultrafiltration membrane 230 of the lower tube body 220 can be selected to be 10000 daltons, 50000 daltons or 100000 daltons.

[0049] Further, the lower end of the lower tube body 220 is threadedly connected with a collecting cylinder 240, which is used to collect the filtered antigen and realizes convenient disassembly and cleaning.

[0050] Specifically, the upper end of the upper tube body 210 and the lower tube body 220 is provided with a mounting groove 211, the upper end of the upper tube body 210 is provided with a sealing cover 212, the top of the sealing cover 212 is fixedly connected with a second handle 2121, the ultrafiltration membrane 230 is arranged in the mounting groove 211 through a connecting block 231, and the connecting block 231 located in the upper tube body 210 is in a stepped shape.

[0051] In this embodiment, in the upper tube body 210, the stepped connecting block 231 is arranged in the mounting groove 211, the sealing cover 212 with downward protrusion can be inserted between the stepped connecting block 231 and the side wall of the mounting groove 211, and the three are integrated to form an integrated sealing structure by using friction force. Not only can the upper tube body 210 be sealed, but also the disassembly and cleaning of the ultrafiltration membrane 230 are facilitated, and further, the shaking during the filtering process is avoided.

[0052] In addition, in the lower tube body 220, the connecting block 231 is arranged in the mounting groove 211, and the side wall of the connecting block 231 abuts against the side wall of the mounting groove 211, which is arranged in the adaptive groove 221 through the flange of the upper tube body 210, and finally is fastened through the gasket 224 and the bolt 225; similarly, the disassembly and cleaning of the ultrafiltration membrane 230 are facilitated, and the shaking during the oscillation mixing process is avoided.

[0053] Specifically, the flange of the upper tube body 210 is provided with annularly distributed positioning holes 213, the flange of the lower tube body 220 is provided with an adaptive groove 221, the adaptive groove 221 is provided with positioning rods 222 corresponding to the positions of the positioning holes 213, and the axis of every other positioning rod 222 is provided with a threaded hole 223.

[0054] In the embodiment, the flange of the upper tube body 210 is placed in the fitting groove 221, and the positioning rod 222 is passed through the positioning hole 213, which not only strengthens the stability of the connection between the two, but also facilitates the disassembly and assembly of the upper tube body 210 and the lower tube body 220.

[0055] Specifically, the fitting groove 221 is provided with a gasket 224 above the positioning rod 222, and the gasket 224 has a through hole 2241 corresponding to the position of the threaded hole 223, and each through hole 2241 has a bolt 225 therein.

[0056] In the embodiment, during installation, the gasket 224 is passed through the upper end of the upper tube body 210 and placed in the fitting groove 221, and each through hole 2241 is correspondingly matched with the positioning hole 213 with the threaded hole 223, and then fastened by the bolt 225, thereby strengthening the fixation of the upper tube body 210 and the lower tube body 220.

[0057] Referring to FIG. 1, Figure 7 As shown in the drawings, the lifting device 300 includes at least two support parts 310 and a jacking part 320, the two support parts 310 are respectively connected to the surfaces of the upper tube body 210 and the lower tube body 220, and the jacking part 320 sequentially connects the two support parts 310.

[0058] In the embodiment, the driving of the jacking part 320 can facilitate the extension or retraction of the filtering device 200 to the upper cavity 112.

[0059] Specifically, the support part 310 includes a support plate 311 and a clamping piece 312, the center of the support plate 311 is provided with a through hole 3111, and the through hole 3111 is provided with radially symmetrical clamping pieces 312.

[0060] In the embodiment, the clamping piece 312 not only can play a clamping role on the shell 110, but also can play a role of facilitating disassembly, thereby facilitating the cleaning of the ultrafiltration membrane 230.

[0061] Further, the clamping piece 312 includes a clamping piece 3121, a guide rod 3122, a screw rod 3123 and a handle 3124, the clamping piece 3121 is fixedly connected with two guide rods 3122 and a screw rod 3123 on one side close to the side wall of the through hole 3111, and the screw rod 3123 is located between the two guide rods 3122, the side wall of the through hole 3111 is provided with a guide hole for the movement of the guide rod 3122, the side wall of the through hole 3111 is provided with a threaded hole 223 for the threaded connection of the screw rod 3123, and the end portion of the screw rod 3123 outside the through hole 3111 is fixedly connected with the handle 3124.

[0062] In the embodiment, the screw rod 3123 is rotated by the handle 3124, so that the two clamping pieces 3121 can move towards or away from each other.

[0063] Specifically, the jacking part 320 comprises four jacking rods 321, a plurality of sleeves 322, a plurality of driven gears 323, a driving gear 324, a first transmission shaft 325 and a first motor 326, each of the jacking rods 321 has an externally threaded section, each of the jacking rods 321 is threadedly connected with a sleeve 322 through the externally threaded section, each of the sleeves 322 is fixed on the rotary disc 111a through a first bearing seat 3221, the surface of each of the sleeves 322 is sleeved with a driven gear 323, the four driven gears 323 are engaged with the driving gear 324, the driving gear 324 is fixedly connected with the first transmission shaft 325 at the shaft center, and one end of the first transmission shaft 325 is fixedly connected with the output end of the first motor 326.

[0064] In this embodiment, the first motor 326 is energized to drive the driving gear 324 to rotate, which drives the sleeves 322 and the driven gears 323 to rotate, and the longitudinal movement of the jacking rods 321 can make the filtering device 200 extend out of or return to the upper cavity 112.

[0065] Referring to FIGS. 1-9, Figure 1 and 8 The reciprocating device 400 comprises a support frame 410, a driving part 420 and an executing part 430, the driving part 420 and the executing part 430 are respectively arranged on the support frame 410, and the executing part 430 is connected with the driving part 420.

[0066] In this embodiment, the driving part 420 drives the executing part 430 to make the rotary disc 111a reciprocate, which can make the filtering device 200 reciprocate, thereby accelerating the filtration of the antigen.

[0067] Specifically, the support frame 410 comprises a connecting plate 411 and a side plate 412, the connecting plate 411 is arranged in a U shape, the side plate 412 is fixedly connected with the connecting plate 411, and a clearance hole 4121 is arranged on the side plate 412. The support frame 410 provides support for the driving part 420 and the executing part 430.

[0068] Specifically, the driving part 420 comprises a second bearing seat 421, a curved arm 422, a second motor 423, a third bearing seat 424, a rotating shaft 425 and a swing arm 426, the second bearing seat 421 is fixed on the side plate 412 near the connecting plate 411 and below the accommodation hole 4121, the curved arm 422 is arranged in a Z shape, one end of the curved arm 422 is connected with the second bearing seat 421, the output end of the second motor 423 is fixedly connected with one end of the curved arm 422, the third bearing seat 424 is fixed on the connecting plate 411 away from the side plate 412, the rotating shaft 425 is connected with the third bearing seat 424, the surface of the rotating shaft 425 is fixedly connected with the swing arm 426, the swing arm 426 can move in an arc shape in the accommodation hole 4121, a limiting hole 4261 is arranged on the swing arm 426, the other end of the curved arm 422 is connected with the limiting hole 4261, the bottom of the lower cavity part 113 is provided with a mounting hole 1131, and the second motor 423 is mounted in the mounting hole 1131.

[0069] In this embodiment, the second motor 423 drives the curved arm 422 to reciprocatingly rotate, and drives the rotating shaft 425 to reciprocatingly rotate, so that the curved arm 422 moves in an arc shape in the accommodation hole 4121, and the executing part 430 is driven to reciprocatingly rotate.

[0070] Specifically, the executing part 430 comprises a toothed plate 431, a transmission gear 432, a second transmission shaft 433 and a fourth bearing seat 434, the toothed plate 431 is fixedly connected to the surface of the rotating shaft 425 and above the swing arm 426, the transmission gear 432 is engaged with the sawtooth of the toothed plate 431, the shaft center of the transmission gear 432 is fixedly connected with the second transmission shaft 433, one end of the second transmission shaft 433 is fixedly connected with the rotating disc 111a, the second transmission shaft 433 is connected with the fourth bearing seat 434, and the fourth bearing seat 434 is fixed on the side plate 412 above the second bearing seat 421.

[0071] In this embodiment, the rotating shaft 425 drives the toothed plate 431 to reciprocatingly rotate through the transmission of the driving part 420, and drives the transmission gear 432 through the toothed plate 431, so that the transmission gear 432 drives the second transmission shaft 433 to reciprocatingly rotate, and the filtering device 200 is driven to reciprocatingly rotate, so that the filtration of the antigen is accelerated.

[0072] Embodiment two

[0073] Referring to the accompanying Figure 10 The application further provides a use method of the antigen filtering device, which comprises the following steps:

[0074] S1, the upper cover 120 and the sealing cover 212 are opened through the first handle 121 and the second handle 2121 respectively, the antigen is added into the ultrafiltration membrane 230 of the upper tube body 210, and after the addition is completed, the upper cover 120 and the sealing cover 212 are closed respectively.

[0075] S2, the second motor 423 is powered to drive the crank arm 422 to reciprocating rotation, and the rotating shaft 425 follows the reciprocating rotation, so that the crank arm 422 moves in an arc in the let hole 4121, and the rotating shaft 425 drives the tooth plate 431 to reciprocating rotation, and drives the transmission gear 432 through the tooth plate 431, and the second transmission shaft 433 is driven to reciprocating rotation, so that the filter device 200 is driven to reciprocating rotation;

[0076] S3, the first motor 326 is powered to drive the driving gear 324 to rotate, drive the driven gear 323 and the screw sleeve 322, and the longitudinal movement of the lifting rod 321 can make the filter device 200 extend out of the upper cavity 112, and the filter device 200 can be removed through the movement of the two clamping pieces 3121, and the upper pipe body 210 and the lower pipe body 220 are disassembled to clean the ultrafiltration membrane 230.

[0077] It should be noted that the model and specification of the first motor 326 and the second motor 423 need to be determined according to the actual specification of the device, and the specific selection calculation method adopts the existing technology in the art, so it is not described in detail.

[0078] The power supply and principle of the first motor 326 and the second motor 423 are clear to those skilled in the art, and will not be described in detail here.

[0079] The above is only the preferred embodiment of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An antigen filtration device, characterized in that, Include: Machine body, the machine body includes the casing that is divided into upper cavity and lower cavity by circular ring slide, the rotating disc is slidably connected in the circular ring slide; Filter device, the filter device is equipped in the upper cavity, the filter device includes upper pipe body, lower pipe body and ultrafiltration membrane equipped in the upper pipe body and the lower pipe body; The upper port of the upper pipe body is equipped with a sealing cover, and the top of the sealing cover is fixedly connected with a second handle, and the sealing cover with downward protrusion can be inserted between the connecting block and the sidewall of the mounting groove, and the friction force is used to affect the three to form an integrated sealing structure. Lifting device, the lifting device includes at least two support parts and a jacking part, two support parts are connected to the surface of the upper pipe body and the lower pipe body respectively, and the jacking part connects two support parts in turn. The support part includes a support plate and a clamping piece, a through hole is formed in the center of the support plate, and the clamping piece is radially symmetrically arranged in the through hole. The jacking part includes a jacking rod, a screw sleeve, a driven gear, a driving gear, a first transmission shaft and a first motor, the jacking rod has four, and each jacking rod has an external thread segment, each jacking rod is threadedly connected with the screw sleeve through the external thread segment, each screw sleeve is fixed on the rotating disc through a first bearing seat, a surface of each screw sleeve is sleeved with the driven gear, four driven gears are engaged with the driving gear, the driving gear is fixedly connected with the driving gear at the shaft center, the driving gear is fixedly connected with the first transmission shaft at the shaft center, and one end of the first transmission shaft is fixedly connected with the output end of the first motor. Reciprocating device, the reciprocating device includes a support frame, a driving part and an execution part, the driving part and the execution part are arranged on the support frame respectively, and the execution part is connected with the driving part; the support frame includes a connecting plate and a side plate, the connecting plate is arranged in U shape, the side plate is fixedly connected with the connecting plate, a clearance hole is formed in the side plate, and the support frame provides support for the driving part and the execution part; the driving part includes a second bearing seat, a curved arm, a second motor, a third bearing seat, a rotating shaft and a swing arm, the second bearing seat is fixed on one side of the side plate close to the connecting plate and below the clearance hole, the curved arm is arranged in Z shape, one end of the curved arm is connected with the second bearing seat, the output end of the second motor is fixedly connected with one end of the curved arm, the third bearing seat is fixed on the side of the connecting plate away from the side plate, the rotating shaft is connected with the third bearing seat, the surface of the rotating shaft is fixedly connected with the swing arm, the swing arm can move in arc shape in the clearance hole, a limiting hole is formed in the swing arm, the other end of the curved arm is connected with the limiting hole, and the bottom of the lower cavity has a mounting hole, the second motor is mounted in the mounting hole. The execution part includes a toothed plate, a transmission gear, a second transmission shaft and a fourth bearing seat, the toothed plate is fixedly connected to the surface of the rotating shaft and is above the swing arm, the transmission gear is engaged with the sawtooth of the toothed plate, the shaft center of the transmission gear is fixedly connected with the second transmission shaft, one end of the second transmission shaft is fixedly connected with the rotating disc, the second transmission shaft is connected with the fourth bearing seat, and the fourth bearing seat is fixed to the side plate above the second bearing seat.

2. An antigen filtration device according to claim 1, characterised in that The top of the shell is provided with an upper cover, and the surface of the upper cover is provided with a radially symmetric first handle.

3. An antigen filtration device according to claim 1, characterized in that The upper end of the upper pipe body and the lower pipe body is provided with a mounting groove.

4. An antigen filtration device according to claim 1, characterized in that The flange of the upper pipe body is provided with annularly distributed positioning holes, the flange of the lower pipe body is provided with an adaptive groove, the adaptive groove is provided with a positioning rod corresponding to the position of the positioning hole, and the shaft center of every third positioning rod is provided with a screw hole.

5. An antigen filtration device according to claim 4, characterised in that, The adaptive groove above the positioning rod is provided with a gasket, and the gasket is provided with a through hole corresponding to the position of the screw hole, and each through hole is provided with a bolt.

6. An antigen filtration device according to claim 3, wherein, The ultrafiltration membrane is placed in the mounting groove through a connecting block, and the connecting block above the upper pipe body is in a stepped shape.

7. An antigen filtration device according to claim 1, wherein, The clamping piece includes a clamping piece, a guide rod, a screw rod and a handle, two guide rods and the screw rod are fixedly connected to one side of the clamping piece close to the side wall of the through hole, the screw rod is located between the two guide rods, the side wall of the through hole is provided with a guide hole for the movement of the guide rod, the side wall of the through hole is provided with a screw hole for the threaded connection of the screw rod, and the end portion of the screw rod outside the through hole is fixedly connected with the handle.

Images