CN112834306A - A broken fungus device for B group's streptococcus antigen detects - Google Patents

Abstract

The invention provides a bacterium breaking device for detecting group B streptococcus antigens, which comprises a base, a test tube extrusion mechanism, a liquid adding mechanism and a liquid adding moving frame, wherein the test tube extrusion mechanism is arranged on the base; the test tube extrusion mechanism is slidably arranged above the base; the liquid adding moving frame comprises a gantry frame and a cross beam, the gantry frame is arranged on the base, and the cross beam is slidably arranged on the gantry frame so that the cross beam can slide relative to the gantry frame along the vertical direction; the liquid adding mechanism is arranged on the cross beam in a sliding manner, so that the liquid adding mechanism can move relative to the cross beam in a sliding manner along the horizontal direction; according to the automatic liquid adding device, the liquid adding mechanism is used for automatically adding the reagent into the test tube, and the test tube extruding mechanism is used for automatically extruding the test tube, so that the automation degree is high, the labor intensity of inspection personnel can be reduced, and the working efficiency can be effectively improved.

Description

A broken fungus device for B group's streptococcus antigen detects

Technical Field

The invention relates to the technical field of detection sample treatment, in particular to a bacterium breaking device for detecting group B streptococcus antigens.

Background

Group B streptococcus is group B hemolytic streptococcus, is a gram-positive coccus, inhabits the vagina and rectum, is the first pathogenic bacterium in perinatal infection, and can cause early and late infection of newborn infants. Usually, group B streptococcal determinants of pregnancy do not cause maternal and fetal infections; however, during childbirth, group B streptococci in the maternal lower genital tract increase the risk of neonatal infection; particularly, after the fetal membrane is broken early, the group B streptococcus ascends from the vagina to infect the uterine cavity, the fetus is exposed to the infection environment for a long time, and the infection of the lung is caused by inhaling amniotic fluid infected by the group B streptococcus; secondly, when the fetus passes through the birth canal, the fetus may be infected with group B streptococcus; group B streptococcal infection has a very high mortality rate once neonatal sepsis is induced.

To avoid these problems, routine examination of group B streptococci is typically performed 35-37 weeks of gestation, reducing infection by at least 70% or more, and ensuring neonatal health. Therefore, the rapid clinical identification of group B streptococci is of great importance.

At present, most of the group B streptococcus is clinically and rapidly identified by adopting a colloidal gold chromatography technology, in the operation process of a reagent detection tube of the technology, No. 1 and No. 2 extraction solutions are required to be added, then a swab is placed into the reagent detection tube to be stirred and repeatedly extruded, stirring is continued after standing, the repeated extrusion is carried out, and the extruded liquid is a detection sample. At present, the operation is carried out manually, although the operation process is simple, the operation process is tedious, and if the sample size is large, a large amount of manpower and time are consumed.

Disclosure of Invention

In view of the above-mentioned drawbacks, the present invention provides a bacteria-breaking device for detecting group B streptococcus antigens, which can simultaneously and quantitatively add a plurality of reagents to a plurality of samples, and solve the problems of complicated operation and low efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme:

a fungus breaking device for detecting group B streptococcus antigens comprises a base, a test tube extruding mechanism, a liquid adding mechanism and a liquid adding moving frame; the test tube extrusion mechanism is slidably arranged above the base; the liquid adding moving frame comprises a gantry frame and a cross beam, the gantry frame is arranged on the base, and the cross beam is slidably arranged on the gantry frame so that the cross beam can slide relative to the gantry frame along the vertical direction; the liquid adding mechanism is slidably arranged on the cross beam, so that the liquid adding mechanism can slide relative to the cross beam along the horizontal direction.

Preferably, the portal frame include the back timber with set up in the stand at back timber both ends, the both ends of crossbeam all are equipped with wheel components, wheel components is equipped with a plurality of vertical gyro wheels, vertical gyro wheel set up respectively in the both sides of stand, make wheel components cover is located the outside of stand.

Preferably, the roller assembly comprises a sliding plate and three groups of vertical rollers, the sliding plate is arranged at one end of the cross beam, the three groups of vertical rollers are arranged on the sliding plate, one group of vertical rollers is arranged at one side of the upright post, and the other two groups of vertical rollers are arranged at the other side of the upright post.

Preferably, one side of stand all is equipped with vertical actuating mechanism, vertical actuating mechanism includes vertical driving motor, vertical lead screw and bearing frame, vertical driving motor set up in the bottom of stand, the bearing frame set up in the top of stand, the one end of vertical lead screw with vertical driving motor's output is connected, the other end of vertical lead screw with the bearing frame is connected, the crossbeam is provided with the lead screw slider, the lead screw slider with vertical lead screw threaded connection.

Preferably, the crossbeam is gone up the slidable and is equipped with liquid feeding installation component, liquid feeding installation component includes mounting panel and three liquid feeding gyro wheels of group, and three are organized liquid feeding gyro wheel all set up in the mounting panel, wherein a set of liquid feeding gyro wheel set up in one side of crossbeam, all the other two sets of liquid feeding gyro wheel set up in the opposite side of crossbeam, liquid feeding mechanism set up in the mounting panel.

Preferably, the transverse driving mechanism is arranged on the transverse beam and comprises a transverse driving motor, a transverse driving wheel, a transverse driven wheel and a transverse driving belt, the transverse driving wheel and the transverse driven wheel are respectively and rotatably arranged at two ends of the transverse beam, the transverse driving belt is wound between the transverse driving wheel and the transverse driven wheel, and the liquid adding mechanism is connected with the transverse driving belt.

Preferably, the liquid feeding mechanism includes two sets of liquid feeding guns, and two sets of liquid feeding guns are connected with reagent input mechanism respectively, reagent input mechanism includes liquid feeding pump and liquid feeding bottle, the liquid feeding bottle pass through the liquid feeding pipe with the input of liquid feeding pump is connected, the liquid feeding gun pass through the liquid feeding pipe with the output of liquid feeding pump is connected.

Preferably, the base is provided with two guide rails, the bottom of the test tube extrusion mechanism is provided with a sliding block, the sliding block is sleeved on the guide rails, and the sliding block is connected with the guide rails in a sliding manner.

Preferably, the base still is equipped with the extrusion and removes actuating mechanism, the extrusion is removed actuating mechanism and is included removing driving motor, removal drive wheel, is removed from driving wheel and removal drive belt, remove the drive wheel with remove from driving wheel set up respectively in the head and the tail both ends of guide rail, remove the drive wheel set up in remove driving motor's output, remove the drive belt around locating remove the drive wheel with remove from between the driving wheel, test tube extrusion mechanism with remove the drive belt and connect.

The invention has the beneficial effects that:

according to the bacteria breaking device for detecting the group B streptococcus antigen, the test tube squeezing mechanism can move on the base, move on the liquid adding moving frame through the liquid adding mechanism, automatically fill the reagent into the test tube, and automatically squeeze the test tube by the test tube squeezing mechanism, so that the group B streptococcus on the swab is fully resuspended in the solution, the automation is improved, the labor intensity of an inspector can be reduced, and the working efficiency can be effectively improved.

Drawings

FIG. 1 is a schematic perspective view of one embodiment of the present invention;

FIG. 2 is a perspective view of another perspective of an embodiment of the present invention;

FIG. 3 is a schematic bottom perspective view of an embodiment of the present invention;

FIG. 4 is a schematic view of a beam of one embodiment of the present invention;

FIG. 5 is a schematic view of a test tube squeezing mechanism according to one embodiment of the present invention;

FIG. 6 is a schematic view of the tube-squeezing mechanism of one embodiment of the present invention with the tube rack removed;

fig. 7 is a schematic view of a test tube rack according to an embodiment of the present invention

Fig. 8 is a schematic view of a first compression plate according to an embodiment of the present invention.

Wherein: the device comprises a base 1, a moving driving motor 11, a moving driving wheel 12, a moving driven wheel 13, a moving transmission belt 14, a guide rail 10, a test tube extruding mechanism 2, a sliding block 20, a mounting bottom plate 21, a test tube rack 22, a support column 221, a first support plate 222, a second support plate 223, a first extruding plate 23, a second extruding plate 24, an extruding driving component 25, a driving element 251, a guide rod 252, a driving plate 253, an extruding screw 254, an extruding screw nut 255, a sleeve 256, an extruding frame 26, an extruding bulge 2a, a groove 2b, a guide hole 2220, a limiting hole 2230, a liquid adding mechanism 3, a liquid adding gun 31, a liquid adding pump 32, a liquid adding bottle 33, a liquid adding moving frame 4, a gantry frame 41, a top beam 411, a column 412, a cross beam 42, a roller component 43, a vertical roller 431, a sliding plate 432, a liquid adding mounting component 44, a mounting plate 441, a liquid adding roller 442, a, The device comprises a vertical screw rod 52, a bearing seat 53, a transverse driving mechanism 6, a transverse driving motor 61, a transverse driving wheel 62, a transverse driven wheel 63 and a transverse transmission belt 64.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The bacteria breaking device for detecting group B streptococcus antigens according to the embodiment of the present invention is described below with reference to fig. 1 to 8, and includes a base 1, a test tube squeezing mechanism 2, a liquid adding mechanism 3, and a liquid adding moving frame 4; the test tube extrusion mechanism 2 is slidably arranged above the base 1; the liquid adding moving frame 4 comprises a gantry frame 41 and a cross beam 42, wherein the gantry frame 41 is arranged on the base 1, and the cross beam 42 is slidably arranged on the gantry frame 41, so that the cross beam 42 can slide relative to the gantry frame 41 along the vertical direction; the liquid adding mechanism 3 is slidably disposed on the cross beam 42, so that the liquid adding mechanism 3 can move in a sliding manner relative to the cross beam 42 along a horizontal direction.

Specifically, in the prior art, before inserting the swab, a reagent needs to be added to the solution in the test tube, so as to ensure that the group B streptococcus attached to the sampling swab can be fully resuspended, after adding the reagent, the swab is inserted into the test tube, and in order to fully resuspend the group B streptococcus on the swab in the solution in the test tube, it is often necessary to rotate the swab repeatedly and forcefully at least 10 times, so that the group B streptococcus is resuspended in the solution as much as possible, and after standing, the swab also needs to be squeezed on the wall of the test tube, so that the liquid is squeezed as much as possible, in this embodiment, the squeezed test tube is disposed in the test tube squeezing mechanism 2, by sliding the test tube squeezing mechanism 2 directly under the beam 42 of the liquid adding moving frame 4, then the liquid adding mechanism 3 slides along the beam 42 to directly over the test tube squeezing mechanism 2, and the beam 42 moves along the gantry in the vertical direction, the liquid adding mechanism 3 is close to the extruded test tube in the test tube extruding mechanism 2, then the liquid adding mechanism 3 fills the reagent into the extruded test tube, the test tube extruding mechanism 2 slides away from the liquid adding moving frame 4, the swab attached with the group B streptococcus is inserted into the extruded test tube to be stirred, and the test tube extruding mechanism 2 is driven to extrude the swab, so that the group B streptococcus on the swab is ensured to be fully resuspended in the solution; according to the automatic reagent feeding device, the automatic reagent feeding can be carried out on the test tube through the liquid feeding mechanism 3, and the test tube can be automatically extruded through the test tube extruding mechanism 2, so that the group B streptococcus on the swab is fully resuspended in the solution, an automatic working process is realized, the labor intensity of inspection personnel can be reduced, and the working efficiency can be effectively improved.

Further, the gantry frame 41 includes a top beam 411 and upright columns 412 disposed at two ends of the top beam 411, roller assemblies 43 are disposed at two ends of the cross beam 42, each roller assembly 43 is provided with a plurality of vertical rollers 431, and the vertical rollers 431 are respectively disposed at two sides of the upright column 412, so that the roller assemblies 43 are sleeved outside the upright column 412.

Specifically, in this embodiment, two bottom end fixing of stand 412 is in on the base 1, the both ends of back timber 411 then respectively with two the top of stand 412 is connected, the both sides of crossbeam 42 all are equipped with vertical roller 431, vertical roller 431 can along the rolling motion of vertical direction is done to the both sides of stand 412, improves crossbeam 42 is followed stand 412 is linear motion's smoothness nature, in addition vertical roller 431 set up respectively in the both sides of stand 412, stand 412 clamp in between vertical roller 431, can be right crossbeam 42 carries out spacingly, prevents crossbeam 42 from inclining, guarantees crossbeam 42 keeps the level in the motion, thereby guarantees that liquid adding mechanism 3 accurately carries out the injection of reagent to the test tube.

Further, the roller assembly 43 includes a sliding plate 432 and three sets of the vertical rollers 431, the sliding plate 432 is disposed at one end of the cross beam 42, the three sets of the vertical rollers 431 are disposed on the sliding plate 432, one set of the vertical rollers 431 is disposed at one side of the vertical column 412, and the other two sets of the vertical rollers 431 are disposed at the other side of the vertical column 412.

Specifically, in this embodiment, three sets of the vertical pulleys are fixed on the cross beam 42 through the sliding plate 432, one set of the vertical rollers 431 is disposed on one side of the upright 412, and the other two sets of the vertical rollers 431 are disposed on the other side of the upright 412, so that the three sets of the vertical rollers 431 are arranged in a triangular shape, the stability of the roller assembly 43 during movement can be effectively improved, and the stability of the movement of the cross beam 42 is ensured.

Further, one side of the upright column 412 is provided with a vertical driving mechanism 5, the vertical driving mechanism 5 comprises a vertical driving motor 51, a vertical screw rod 52 and a bearing seat 53, the vertical driving motor 51 is arranged at the bottom end of the upright column 412, the bearing seat 53 is arranged at the top end of the upright column 412, one end of the vertical screw rod 52 is connected with the output end of the vertical driving motor 51, the other end of the vertical screw rod 52 is connected with the bearing seat 53, the cross beam 42 is provided with a screw rod sliding block 20, and the screw rod sliding block 20 is in threaded connection with the vertical screw rod 52.

Specifically, in this embodiment, the movement of the cross beam 42 in the vertical direction is driven by the vertical driving mechanism 5, and during specific work, the vertical driving motor 51 is driven to drive the vertical screw rod 52 to rotate on the bearing seat 53, and under the threaded fit connection between the screw rod slider 20 and the vertical screw rod 52, the screw rod slider 20 makes linear translation movement along the axis direction of the vertical screw rod 52, so as to drive the cross beam 42 to make linear translation movement in the vertical direction, and the vertical screw rod 52 is stably driven, so that the stable movement of the cross beam 42 can be ensured.

Further, slidable is equipped with liquid feeding installation component 44 on crossbeam 42, liquid feeding installation component 44 includes mounting panel 441 and three group's liquid feeding gyro wheels 442, and three groups liquid feeding gyro wheels 442 all set up in mounting panel 441, one of them is a set of liquid feeding gyro wheel 442 set up in one side of crossbeam 42, all the other two sets of liquid feeding gyro wheels 442 set up in the opposite side of crossbeam 42, liquid feeding mechanism 3 set up in mounting panel 441.

Specifically, in this embodiment, three groups one of liquid feeding gyro wheel 442 is one set of liquid feeding gyro wheel 442 set up in one side of crossbeam 42, all the other two sets of liquid feeding gyro wheel 442 set up in the opposite side of crossbeam 42 makes three groups liquid feeding gyro wheel 442 is triangle-shaped and arranges, can effectively improve stability when liquid feeding installation component 44 moves, thereby guarantees the steady of 3 movements of liquid feeding mechanism improves the accuracy of liquid feeding mechanism 3 to test tube filling reagent.

Further, a transverse driving mechanism 6 is arranged on the cross beam 42, the transverse driving mechanism 6 comprises a transverse driving motor 61, a transverse driving wheel 62, a transverse driven wheel 63 and a transverse transmission belt 64, the transverse driving wheel 62 and the transverse driven wheel 63 are respectively rotatably arranged at two ends of the cross beam 42, the transverse transmission belt 64 is wound between the transverse driving wheel 62 and the transverse driven wheel 63, and the liquid adding mechanism 3 is connected with the transverse transmission belt 64.

Specifically, in this embodiment, the horizontal movement of the liquid adding mechanism 3 along the cross beam 42 is driven by the transverse driving mechanism 6, specifically, the transverse driving motor 61 is driven to drive the transverse driving wheel 62 to rotate, the transverse transmission belt 64 is respectively connected with the transverse driving wheel 62 and the transverse driven wheel 63 in a matching manner, the transverse driving wheel 62 rotates to drive the transverse transmission belt 64 to perform a winding movement around the transverse driving wheel 62 and the transverse driven wheel 63, so as to drive the liquid adding mechanism 3 mounted on the transverse transmission belt 64 to move, which not only is smooth in movement, but also has low cost for assembling products, and can effectively save cost.

Further, liquid feeding mechanism 3 includes two sets of liquid feeding guns 31, and two sets of liquid feeding guns 31 are connected with reagent input mechanism respectively, reagent input mechanism includes liquid feeding pump 32 and liquid feeding bottle 33, liquid feeding bottle 33 through the liquid feeding pipe with the input of liquid feeding pump 32 is connected, liquid feeding gun 31 through the liquid feeding pipe with the output of liquid feeding pump 32 is connected.

In a specific embodiment, the liquid adding gun 31 includes a No. 1 liquid adding gun and a No. 2 liquid adding gun, two sets of the liquid adding guns 31 can respectively add different No. 1 extract and No. 2 extract to the test tube, the two sets of the liquid adding guns 31 are respectively connected with two liquid adding bottles 33 containing different reagents through the liquid adding pumps 32, specifically, the two liquid adding bottles 33 are filled with different No. 1 extract and No. 2 extract, the No. 1 liquid adding gun is connected with the No. 1 liquid adding bottle containing the No. 1 reagent through the No. 1 liquid adding pump, and the No. 2 liquid adding gun is connected with the No. 2 liquid adding bottle containing the No. 2 reagent through the No. 2 liquid adding pump; when the test tube needs to be filled with the reagent, the reagent is extracted from the liquid filling bottle 33 through the liquid filling pump 32 and is pumped out from the liquid filling gun 31, so that the No. 1 extract and the No. 2 extract are respectively filled into the test tube, the automatic filling of the reagent is realized, and the working efficiency is effectively improved; in addition, in one embodiment, the two charge pumps 32 are disposed at two ends of the rear side of the cross beam 42, so that loads at two ends of the cross beam 42 can be balanced and adjusted, the level of the cross beam 42 is ensured, and the improvement of the motion stability of the cross beam 42 is facilitated.

Further, base 1 is equipped with two guide rails 10, the bottom of test tube extrusion mechanism 2 is equipped with slider 20, slider 20 is located the cover slide rail 10, just slider 20 with guide rail 10 sliding connection.

Specifically, in this embodiment, the both ends of test tube extrusion mechanism 2's bottom all are provided with slider 20 with the cooperation of guide rail 10 is connected, through the cooperation of two sets of sliders 20 guide rails 10, not only can improve test tube extrusion mechanism 2 is the smoothness nature when removing, can also guarantee test tube extrusion mechanism 2 is steady when removing, avoids the filling of circumstances such as slope influence reagent.

Further, base 1 still is equipped with the extrusion and removes actuating mechanism, the extrusion is removed actuating mechanism and is including removing driving motor 11, removing drive wheel 12, removing from driving wheel 13 and removal drive belt 14, remove drive wheel 12 with remove from driving wheel 13 set up respectively in the head and the tail both ends of guide rail 10, remove drive wheel 12 set up in remove driving motor 11's output, remove drive belt 14 around locating remove drive wheel 12 with remove from between the driving wheel 13, test tube extrusion mechanism 2 with remove drive belt 14 and connect.

Specifically, in the present embodiment, the test tube squeezing mechanism 2 is driven by the squeezing movement driving mechanism, specifically, under the driving of the movement driving motor 11, the movable driving wheel 12 rotates, the movable transmission belt 14 is respectively connected with the movable driving wheel 12 and the movable transmission wheel in a matching way, so that the movable driving wheel 12 rotates to drive the movable driving belt 14 to make a winding motion around the movable driving wheel 12 and the movable driven wheel 13, the test tube squeezing mechanism 2 is fixedly installed on the movable driving belt 14, therefore, the test tube extruding mechanism 2 is driven to move by the movement of the movable transmission belt 14, the test tube extruding mechanism 2 is limited between the movable driving wheel 12 and the movable transmission wheel to move, the movement is stable, the cost of assembling products is low, and the cost can be effectively saved.

Further, the test tube squeezing mechanism 2 includes a mounting base plate 21, a test tube rack 22, a first squeezing plate 23, a second squeezing plate 24, and a squeezing driving assembly 25; the test tube rack 22 is arranged on the mounting base plate 21; the first extrusion plate 23 and the second extrusion plate 24 are both arranged below the test tube rack 22, and the first extrusion plate 23 and the second extrusion plate 24 are respectively arranged on two sides of the test tube rack 22; the second pressing plate 24 is connected with an output end of the pressing driving assembly 25, and the second pressing plate 24 is close to or far away from the first pressing plate 23 under the driving of the pressing driving assembly 25.

Specifically, in this embodiment, after a test tube containing a solution is placed in the test tube rack 22, a reagent is filled into the test tube rack, and a swab attached with group B streptococcus is inserted into the test tube rack, a squeezing portion at the bottom of the test tube needs to be squeezed, so that the group B streptococcus on the swab can be sufficiently resuspended in the solution, at this time, the first squeezing plate 23 and the second squeezing plate 24 are respectively located at the left and right sides of the bottom of the test tube, when the test tube needs to be squeezed, the squeezing driving assembly 25 is driven, so that the second squeezing plate 24 approaches to the first squeezing plate 23, the test tube is flattened by the first squeezing plate 23 and the second squeezing plate 24, so that the solution in the test tube shakes, and meanwhile, the swab attached with group B streptococcus can be in contact with and squeezed against the inner wall of the test tube, so as to effectively improve the resuspension efficiency of the group B streptococcus and the solution, the problems of complex operation and low efficiency of manual shaking and extrusion are solved.

Further, the pressing driving assembly 25 includes a driving member 251 and a sliding assembly including a guide rod 252 and a driving plate 253; the two ends of the guide rod 252 are fixedly disposed on the mounting base plate 21, the driving plate 253 is slidably disposed on the guide rod 252, the driving plate 253 is connected to an output end of the driving element 251, the second compression plate 24 is disposed on the driving plate 253, and the driving plate 253 slides along the guide rod 252 under the driving of the driving element 251, so as to drive the second compression plate 24 to approach or be away from the first compression plate 23.

Specifically, in this embodiment, when the second squeezing plate 24 needs to be moved, the driving element 251 is started, the driving plate 253 is driven by the driving element 251 to move along the guide rod 252, so as to drive the second squeezing plate 24 to move, the test tube is squeezed close to the first squeezing plate 23, after the squeezing of the test tube is finished, the second squeezing plate 24 is driven to be away from the squeezing plate, and then the test tube is taken out; the driving plate 253 moves on the guide rods 252, and the guide rods 252 can guide the movement of the second compression plate 24 and also can ensure the stability of the movement of the second compression plate 24.

Further, the driving element 251 is an extrusion driving motor, an extrusion screw 254 is disposed at an output end of the extrusion driving motor, the driving plate 253 is provided with an extrusion screw nut 255, the extrusion screw nut 255 is connected with the extrusion screw 254 in a matching manner, and the extrusion screw 254 rotates under the driving of the extrusion driving motor, so as to drive the extrusion screw nut 255 to perform linear motion along the axis direction of the extrusion screw 254, thereby driving the second extrusion plate 24 to be close to or far from the first extrusion plate 23.

Specifically, in this embodiment, the driving element 251 is driven by a motor, the driving motor drives the extrusion screw 254 to rotate, the extrusion screw nut 255 makes a linear translational motion along the axial direction of the extrusion screw 254 under the rotation of the extrusion screw 254, the axial direction of the extrusion screw 254 is parallel to the axial direction of the guide rod 252, and the second extrusion plate 24 is connected to the extrusion screw nut 255, so that the motion of the extrusion screw nut 255 drives the driving plate 253 to move, the driving plate 253 moves more stably through a transmission mode of the screw nut, and the extrusion effect of the second extrusion plate 24 on the test tube is ensured.

Further, the mounting base plate 21 is provided with an extrusion frame 26, the first extrusion plate 23 is disposed above the extrusion frame 26, one end of the extrusion screw 254 is disposed on the extrusion frame 26, and the extrusion screw nut 255 is movable between the extrusion frame 26 and the extrusion driving motor.

Specifically, in this embodiment, the first squeezing plate 23 is mounted on the squeezing frame 26, and the height of the squeezing frame 26 can be changed by adding a gasket or the like during mounting, so as to ensure that the height of the first squeezing plate 23 mounted on the squeezing frame 26 is at the same level as the height of the second squeezing plate 24, thereby ensuring the squeezing effect on the test tube, and in addition, by mounting one end of the squeezing screw 254 on the squeezing frame 26, the rotating motion of the squeezing screw 254 is ensured to be stable, and at the same time, the squeezing screw nut 255 can be limited, so as to prevent the squeezing screw nut 255 from exceeding the stroke of the squeezing screw 254.

Further, the driving element 251 is an extrusion cylinder, the driving plate 253 is connected to a piston rod of the extrusion cylinder, and under the driving of the extrusion cylinder, the piston rod of the extrusion cylinder drives the driving plate 253 to make a linear motion along an axial direction of the piston rod of the extrusion cylinder, so as to drive the second extrusion plate 24 to approach or leave the first extrusion plate 23.

Specifically, in another embodiment, the driving element 251 is driven by an air cylinder, the driving plate 253 is mounted on a piston rod of the extrusion air cylinder, the driving plate 253 is directly driven by the piston rod to move, an axial direction of the piston rod is parallel to an axial direction of the guide rod 252, the structure of the extrusion air cylinder is simple, and the driving plate 253 drives the second extrusion plate 24 to move and respond quickly.

Further, two sets of guide rods 252 are provided, the two sets of guide rods 252 are respectively disposed at two ends of the drive plate 253, sliding holes are disposed at two ends of the drive plate 253, and the guide rods 252 are disposed in the sliding holes.

Specifically, in this embodiment, the two guide rods 252 are respectively disposed at two ends of the drive plate 253, and the guide rods 252 are installed in the sliding holes in a limited manner, so that the deviation and shaking of the drive plate 253 during movement on the guide rods 252 can be reduced, and it can be ensured that the movement of the left and right ends of the drive plate 253 is kept consistent during movement of the drive plate 253, so that the second squeezing plate 24 and the first squeezing plate 23 are parallel to each other, and the squeezing effect on the test tube is ensured.

Further, the sliding holes of the driving plate 253 are provided with sleeves 256, the sleeves 256 are sleeved outside the guide rods 252, and the sleeves 256 are slidably connected with the guide rods 252.

Specifically, in the present embodiment, the sleeve 256 is installed in the sliding hole, and the guide rod 252 is installed in the sleeve 256, so that the contact area between the sleeve 256 and the guide rod 252 is increased compared to the case where the guide rod 252 is directly installed in the sliding hole, and the stability of the movement of the drive plate 253 can be further improved.

Further, the test tube rack 22 includes a plurality of support columns 221, a first support plate 222 and a second support plate 223; the bottom of support column 221 set up in mounting plate 21, first backup pad 222 set up in the top of support column 221, second backup pad 223 set up in the middle part on the top of support column 221, first backup pad 222 is equipped with guiding hole 2220, second backup pad 223 is equipped with spacing hole 2230.

Specifically, in this embodiment, the bottom pressing portion of the test tube is smaller than the tube body of the test tube, so when placing the test tube, the bottom of the test tube is inserted into the guide hole 2220 of the first support plate 222 and then inserted into the limiting hole 2230 of the second support plate 223, the size of the limiting hole 2230 is smaller than the tube body of the test tube, so that the test tube is limited in the limiting hole 2230 and cannot fall off, and is fixed between the first support plate 222 and the second support plate 223, and the pressing portion of the test tube is located below the second support plate 223, which is beneficial to the pressing operation of the test tube.

Further, the first support plate 222 is provided with a plurality of guide holes 2220, the second support plate 223 is provided with a plurality of limiting holes 2230, and the limiting holes 2230 and the guide holes 2220 are aligned in the vertical direction.

Specifically, in this embodiment, the first support plate 222 and the second support plate 223 are provided with a plurality of guide holes 2220 and limiting holes 2230 which are aligned up and down, so that a plurality of test tubes can be placed on the test tube rack 22 at one time, and the extrusion operation is performed at the same time, thereby improving the working efficiency.

Further, the first extrusion plate 23 and one side of the second extrusion plate 24 are both provided with extrusion protrusions 2a, the middle parts of the extrusion protrusions 2a are provided with grooves 2b, and the grooves 2b are in a semi-circular arc shape.

Specifically, in this embodiment, the position that extrusion arch 2a set up corresponds with the mounted position of test tube, and the extrusion test tube place in behind test-tube rack 22, extrusion arch 2a can accurately extrude the extrusion test tube, the middle part of extrusion arch 2a is equipped with half-circular arc's recess 2B, when extrusion arch 2a extrudees the test tube, the swab that adheres to the B group streptococcus will remain in the extrusion in the test tube space between first stripper plate 23 and the recess 2B of second stripper plate 24, prevent to extrude the sampling head of swab and lead to the sampling head damage and have the residue to mix in solution, the influence is to the detection of B group streptococcus solution, and most solution in the test tube can be crowded to first stripper plate 23 with the top of second stripper plate 24 in addition in the extrusion, a small part solution still can remain in recess 2B, the part of the solution impacts the sampling head of the swab, so that the group B streptococcus substance attached to the swab falls off from the swab and is dissolved in the solution, and the treatment effect on the swab is improved.

Other configurations and operations of a bacteria breaking device for detecting group B streptococcus antigens according to an embodiment of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. A fungus breaking device for detecting group B streptococcus antigens is characterized in that: comprises a base, a test tube extruding mechanism, a liquid adding mechanism and a liquid adding moving frame; the test tube extrusion mechanism is slidably arranged above the base; the liquid adding moving frame comprises a gantry frame and a cross beam, the gantry frame is arranged on the base, and the cross beam is slidably arranged on the gantry frame so that the cross beam can slide relative to the gantry frame along the vertical direction; the liquid adding mechanism is slidably arranged on the cross beam, so that the liquid adding mechanism can slide relative to the cross beam along the horizontal direction.

2. The bacteria breaking device for detecting the group B streptococcus antigen according to claim 1, wherein: the portal frame include the back timber with set up in the stand at back timber both ends, the both ends of crossbeam all are equipped with wheel components, wheel components is equipped with a plurality of vertical gyro wheels, vertical gyro wheel set up respectively in the both sides of stand make wheel components cover is located the outside of stand.

3. The bacteria breaking device for detecting the group B streptococcus antigen according to claim 2, wherein: the roller assembly comprises a sliding plate and three groups of vertical rollers, the sliding plate is arranged at one end of the cross beam, the three groups of vertical rollers are arranged on the sliding plate, one group of vertical rollers are arranged on one side of the upright post, and the other two groups of vertical rollers are arranged on the other side of the upright post.

4. The bacteria breaking device for detecting the group B streptococcus antigen according to claim 2, wherein: one side of stand all is equipped with vertical actuating mechanism, vertical actuating mechanism includes vertical driving motor, vertical lead screw and bearing frame, vertical driving motor set up in the bottom of stand, the bearing frame set up in the top of stand, the one end of vertical lead screw with vertical driving motor's output is connected, the other end of vertical lead screw with the bearing frame is connected, the crossbeam is provided with the lead screw slider, the lead screw slider with vertical lead screw threaded connection.

5. The bacteria breaking device for detecting the group B streptococcus antigen according to claim 1, wherein: the utility model discloses a liquid feeding mechanism, including crossbeam, liquid feeding mechanism, crossbeam, liquid feeding installation component, liquid feeding mechanism, crossbeam, all sets up in the crossbeam is equipped with liquid feeding installation component in a slidable way, liquid feeding installation component includes mounting panel and three liquid feeding gyro wheels of group, and three groups liquid feeding gyro wheels all set up in the mounting panel, one of them is a set of the liquid feeding gyro wheel set up in one side of crossbeam, all the other two sets of the liquid feeding gyro wheel set up in the opposite side of crossbeam.

6. The bacteria breaking device for detecting the group B streptococcus antigen according to claim 1, wherein: the transverse driving mechanism comprises a transverse driving motor, a transverse driving wheel, a transverse driven wheel and a transverse driving belt, the transverse driving wheel and the transverse driven wheel are rotatably arranged at two ends of the transverse beam respectively, the transverse driving belt is wound on the transverse driving wheel and between the transverse driven wheels, and the liquid adding mechanism is connected with the transverse driving belt.

7. The bacteria breaking device for detecting the group B streptococcus antigen according to claim 1, wherein: the liquid feeding mechanism comprises two groups of liquid feeding guns, the two groups of liquid feeding guns are respectively connected with a reagent input mechanism, the reagent input mechanism comprises a liquid feeding pump and a liquid feeding bottle, the liquid feeding bottle is connected with the input end of the liquid feeding pump through a liquid feeding pipe, and the liquid feeding guns are connected with the output end of the liquid feeding pump through liquid feeding pipes.

8. The bacteria breaking device for detecting the group B streptococcus antigen according to claim 1, wherein: the base is equipped with two guide rails, the bottom of test tube extrusion mechanism is equipped with the slider, the slider cover is located the guide rail, just the slider with guide rail sliding connection.

9. The apparatus according to claim 8, wherein the apparatus comprises: the base still is equipped with the extrusion and removes actuating mechanism, the extrusion is removed actuating mechanism and is included removing driving motor, removal drive wheel, is removed from driving wheel and removal drive belt, remove the drive wheel with remove from the driving wheel set up respectively in the head and the tail both ends of guide rail, remove the drive wheel set up in remove driving motor's output, remove the drive belt around locating remove the drive wheel with remove from between the driving wheel, test tube extrusion mechanism with it connects to remove the drive belt.

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