CN217809367U - Micropore plate sampling auxiliary device - Google Patents

Abstract

The utility model provides a micropore board application of sample auxiliary device, include: support frame, centre gripping subassembly, locating plate and indicator. The clamping assembly is arranged inside the support frame, the positioning plate is detachably arranged on the support frame, and a plurality of positioning units are arranged on the positioning plate. Be equipped with the indicator on the support frame, the indicator includes: the base, first indicating wheel, second indicating wheel and locking subassembly, the equal rotatable setting of first indicating wheel and second indicating wheel is on the base, and the locking subassembly sets up inside the base, and is equipped with the locking groove that is used for holding the locking subassembly on the second indicating wheel. A micropore board application of sample auxiliary device, can reduce the application of sample degree of difficulty of micropore board, promote experimenter's operation convenience.

Description

Micropore plate sample adding auxiliary device

Technical Field

The utility model belongs to the experimental facilities field especially relates to a micropore board application of sample auxiliary device.

Background

The micro-porous plate is a common container in the experimental analysis process, and can be roughly divided into various specifications such as 6-hole, 12-hole, 48-hole, 96-hole and the like according to different sizes of the micro-porous plate. When using, the experimenter can be through the inside dropwise add sample of holding hole on the application of sample rifle to the micropore board to conveniently carry out subsequent analysis and treatment.

However, because the number of the accommodating holes in the microporous plate is large, and the size of each accommodating hole is small, in the process of carrying out actual operation, if an experimenter carelessly touches the microporous plate in the process of dropwise adding a sample, the sample can be mistakenly dropwise added into other accommodating holes, and therefore the experimental result is influenced. In addition, when need to drop multiple different liquid to in the same accommodation hole, the application of sample can only be accomplished to every accommodation hole of memory differentiation to the experimenter, so just need the experimenter highly concentrate attention, in case receive the interference then can mistake the application of sample accommodation hole to make the result of analysis detection error.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a micropore board application of sample auxiliary device to solve above-mentioned technical problem.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a microplate sample application assistance device, comprising: the device comprises a support frame, a clamping assembly, a positioning plate and an indicator; the clamping assembly is arranged in the support frame, and a clamping gap for accommodating the microporous plate is arranged in the support assembly; the side wall of the support frame is provided with a mounting notch, the mounting notch is positioned above the clamping assembly, the positioning plate is inserted into the support frame along the mounting notch, and the positioning plate is parallel to the bottom plate of the support frame; the positioning plate is provided with a plurality of positioning units which are uniformly arranged along the width direction of the positioning plate, and each positioning unit comprises a plurality of positioning holes which are uniformly arranged along the length direction of the positioning plate; the support frame is also provided with a guide rod, and the length direction of the guide rod is parallel to the width direction of the positioning plate; the indicator includes: the base is arranged on the guide rod in a sliding mode, and a first accommodating groove and a second accommodating groove are formed in two opposite side walls of the base respectively; the top surfaces of the first indicating wheel and the second indicating wheel are provided with indicating marks, the first indicating wheel is rotatably arranged in the first accommodating groove, and the second indicating wheel is rotatably arranged in the second accommodating groove; the base is internally provided with a mounting groove, the mounting groove is communicated with the second accommodating groove, the locking assembly is arranged in the mounting groove in a sliding mode, and a locking groove used for accommodating the locking assembly is formed in the side wall of the second indicating wheel.

Furthermore, the clamping assembly comprises a first clamping jaw and a second clamping jaw, the first clamping jaw and the second clamping jaw are respectively arranged on two opposite side walls of the support frame, and the clamping gap is formed between the first clamping jaw and the second clamping jaw.

Furthermore, the first clamping jaw comprises an adjusting screw and a first clamping piece, a threaded hole is formed in the side wall of the supporting frame, and the adjusting screw is arranged in the threaded hole; the first clamping piece is arranged inside the support frame, a first accommodating gap is formed between the first clamping piece and the bottom surface of the support frame, and the first clamping piece is rotatably connected with the end part of the adjusting screw rod.

Further, the second clamping jaw includes: the side wall of the support frame is provided with an accommodating hole, and the connecting rod is arranged in the accommodating hole in a sliding manner; the second clamping piece is arranged in the support frame, and a second accommodating gap is formed between the second clamping piece and the bottom surface of the support frame; one end of the connecting rod is connected with the second clamping piece, the clamping spring sleeve is arranged on the connecting rod, one end of the clamping spring is connected with the second clamping piece, and the other end of the clamping spring is connected with the side wall of the supporting frame, which is provided with the accommodating hole.

Furthermore, the bottom surface of the base is provided with a magnetic metal sheet, the positioning plate is also provided with a plurality of magnetic positioning strips, and the magnetic positioning strips and the positioning units are arranged in a one-to-one correspondence manner.

Further, the locking subassembly includes locking piece and locking spring, it is protruding that the locking piece is equipped with the locking on being close to the lateral wall of second indicating wheel, locking spring's one end links to each other with the inner wall of mounting groove, and the other end links to each other with the bellied lateral wall of locking piece remote from the locking.

Further, be equipped with the operation strip on the top surface of locking piece, be equipped with the operation groove on the top surface of base, the operation groove is linked together with the mounting groove, and the operation strip is arranged in the operation inslot portion.

Furthermore, a first observation port and a second observation port are arranged on the top surface of the base, the first observation port is communicated with the first accommodating groove, and the second observation port is communicated with the second accommodating groove.

Furthermore, a rotating hole is formed in the bottom surface of the second accommodating groove, a rotating shaft is arranged on the bottom surface of the second indicating wheel, and the rotating shaft is arranged in the rotating hole; the cover is equipped with the reset torsion spring in the axis of rotation, the one end of reset torsion spring links to each other with the lateral wall of axis of rotation, and the other end links to each other with the inside wall that rotates the hole.

Furthermore, an avoiding notch is formed in the bottom plate of the supporting frame and is located inside the clamping gap.

Compared with the prior art, a micropore board application of sample auxiliary device have following advantage:

(1) A micropore board application of sample auxiliary device, be equipped with a plurality of locating holes on its locating plate, when carrying out the application of sample to the micropore board, inside the centre gripping clearance can be put into with the micropore board to the experimenter makes the aperture on the micropore board well with the locating hole. When experimenters insert the rifle head of pipettor inside the locating hole, the pipettor rifle head will be adjusted well with the aperture on the micropore board, consequently can reduce the application of sample degree of difficulty of micropore board, promotes the dropwise add precision of sample.

(2) A micropore board application of sample auxiliary device, its indicator slides and sets up on the support frame, and is equipped with first indicating wheel and second indicating wheel on the indicator. When carrying out the application of sample, the experimenter can slide the indicator to the positioning unit department of treating the application of sample for the accommodation hole dropwise add line of signal micropore board rotates first indicating wheel according to the dropwise add process afterwards, is used for signaling accommodation hole dropwise add row, can clearly and definitely treat the accommodation hole of dropwise add sample through the cooperation of ranks, thereby avoids the experimenter to appear the condition of sample dropwise add mistake. In addition, the experimenter still can count the sample number of times that drips of current locating hole through the second indicating wheel to further reduce the degree of difficulty of application of sample process.

(3) A micropore board application of sample auxiliary device, be equipped with the locking subassembly on the indicator, and be equipped with the torsional spring that resets on the second indication wheel. When experimenter orders about the second directive wheel and rotates, the inside elastic force that can accumulate of reset torsion spring, the locking subassembly can carry out the locking to the second directive wheel and fix, avoids the second directive wheel gyration to conveniently carry out the statistics of dropwise add number of times. When the accommodation hole of switching dropwise add sample, the locking of second indication wheel is relieved to experimenter accessible slip locking subassembly's mode, and the elastic force among the reset spring can order about the second indication wheel gyration that resets this moment, conveniently carries out dropwise add number of times to next accommodation hole and counts.

(4) A micropore board application of sample auxiliary device, be equipped with adjusting screw on its first gripper jaw, be equipped with the centre gripping spring on the second gripper jaw. When carrying out the application of sample to the micropore board of the same specification, the elasticity deformation of centre gripping spring can make things convenient for the micropore board to get into or leave this device. When the micropore board to different specifications carries out the application of sample, the experimenter accessible is adjusted the screw and is adjusted the position of first gripper jaw to improve the adaptability of this device.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of an auxiliary sample adding device according to an embodiment of the present invention;

fig. 2 is an exploded view of the sample adding auxiliary device according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of an indicator according to an embodiment of the present invention;

fig. 4 is an exploded view of an indicator according to an embodiment of the present invention;

fig. 5 is a cross-sectional view of an indicator according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a base according to an embodiment of the present invention.

Description of the reference numerals:

1-a support frame; 11-installation cut; 12-a guide bar; 13-avoiding the incision; 2, positioning a plate; 21-positioning holes; 22-magnetic attraction positioning strip; 3-a base; 31-a first receiving groove; 32-a second receiving groove; 321-a rotation hole; 33-mounting grooves; 331-an operation tank; 34-a first viewing port; 35-a second viewing port; 36-a handle; 4-a first indicator wheel; 5-a second indicator wheel; 51-a locking groove; 52-a rotating shaft; 521-a return torsion spring; 61-adjusting screw; 62-a first clamping piece; 71-a connecting rod; 72-a second clamping piece; 73-a clamping spring; 81-a locking block; 811-locking projection; 812-an operation bar; 82-locking spring.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships 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 device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

An auxiliary sample adding device for a microplate, the structure of which can be schematically illustrated by fig. 1-6, as shown in the figure, in this embodiment the auxiliary sample adding device comprises: support frame 1, centre gripping subassembly, locating plate 2 and indicator. Wherein the centre gripping subassembly sets up inside support frame 1, is equipped with the centre gripping clearance in support assembly inside, when using, and the experimenter fixes the micropore board inside support frame 1 to avoid the micropore board to take place the skew at the application of sample in-process. The locating plate 2 is detachably arranged on the support frame 1, and the locating plate 2 can reduce the alignment difficulty of the pipette tip and the accommodating hole in the micropore plate. The indicator is used for recording the dripping progress of the sample, so that the condition that the sample is mistakenly added or is leaked to be added by an experimenter is avoided.

Specifically, in order to fix the microplate, the clamping assembly may include a first clamping jaw and a second clamping jaw, which are respectively disposed on two opposite sidewalls of the supporting frame 1, and a clamping gap is formed between the first clamping jaw and the second clamping jaw.

As shown in fig. 2, the first clamping jaw may include an adjustment screw 61 and a first clamping piece 62, and the first clamping piece 62 is rotatably connected with an end of the adjustment screw 61. When the installation is carried out, first holding piece 62 sets up inside support frame 1, should be equipped with the screw hole on the lateral wall of support frame 1, and adjusting screw 61 arranges in inside the screw hole. The second clamping jaw may comprise: the clamping device comprises a connecting rod 71, a second clamping piece 72 and a clamping spring 73, wherein one end of the connecting rod 71 is connected with the second clamping piece 72, and the clamping spring 73 is sleeved on the connecting rod 71. When the clamping device is installed, the second clamping piece 72 is arranged inside the support frame 1, a containing hole is formed in the side wall of the support frame 1, the connecting rod 71 is arranged inside the containing hole in a sliding mode, one end of the clamping spring 73 is connected with the second clamping piece 72, and the other end of the clamping spring is connected with the side wall, provided with the containing hole, of the support frame 1.

When the installation of the microplate is carried out, the side wall of the microplate can extrude the second clamping piece 72, so that the clamping spring 73 is elastically deformed, and the microplate is enabled to enter the clamping gap. If the specification of micropore board changes, the experimenter can rotate adjusting screw 61 according to the external dimension of micropore board to the position of first centre gripping piece 71 of adjustment, so that the centre gripping clearance has different clearance sizes, and then satisfy different work demands.

As an alternative embodiment of the present embodiment, a first receiving gap should be formed between the first clamping piece 62 and the bottom surface of the supporting bracket 1, and a second receiving gap should be formed between the second clamping piece 72 and the bottom surface of the supporting bracket 1. After the micropore plate enters the device, the bottom edge of the micropore plate can enter the accommodating gap, so that the fixing effect of the micropore plate in the device is improved.

In addition, for making things convenient for the experimenter to take out the micropore board, this embodiment is equipped with on the bottom plate of support frame 1 and dodges incision 13, and dodges incision 13 and should be located inside the centre gripping clearance. When carrying out the action of taking out of micropore board, the incision 13 is dodged to the experimenter accessible carries out the bearing to the bottom of micropore board to reduce the gripping degree of difficulty of micropore board, avoid the micropore board to take place excessively to rock at the in-process of taking out.

In order to realize the assembly between the positioning plate 2 and the supporting frame 1, a mounting notch 11 is formed on the side wall of the supporting frame 1, and the mounting notch 11 is located above the clamping assembly. When the support frame is installed, the positioning plate 2 is inserted into the support frame 1 along the installation notch 11, and the positioning plate 2 is parallel to the bottom plate of the support frame 1.

For making things convenient for the suction head of pipettor to align with the hole of holding on the micropore board, this embodiment is equipped with a plurality of locating units of evenly arranging along 2 width direction of locating plate on locating plate 2, and every locating unit all includes a plurality of locating holes 21 of evenly arranging along the length direction of locating plate 2. Exemplarily, when carrying out the application of sample work to 96 micropore boards, can be equipped with 8 positioning unit on locating plate 2, every positioning unit includes 12 locating holes 21. After the 96 micro-porous plate is placed in the clamping gap, the experimenter can adjust the position of the 96 micro-porous plate, so that the accommodating holes in the 96 micro-porous plate are aligned with the positioning holes 21 in the positioning plate 2.

When carrying out the application of sample during operation, inside experimenter can insert the suction head of pipettor into locating hole 21, the sample that the suction head flowed out this moment will be accurate inside getting into the accommodation hole on the micropore board, consequently can reduce the application of sample degree of difficulty of micropore board, makes things convenient for the experimenter to operate.

In the actual work process, the experimenter often needs to drip various samples into one accommodating hole, and needs to pay attention to the sample dripping sequence of each accommodating hole. This requires a high concentration of attention, and if disturbed, it may confuse the sample receiving well, thereby causing errors in the results of the analytical tests. In order to solve this problem, the present embodiment further includes a guide rod 12 parallel to the width direction of the positioning plate 2 on the supporting frame 1, and the indicator is slidably disposed on the guide rod 12. In the application of sample in-process, the dropping position and the dropping number of times of laboratory staff accessible indicator record sample to reduce the application of sample degree of difficulty.

Specifically, as shown in fig. 3 to 6, the indicator includes: a base 3, a first indicator wheel 4 and a second indicator wheel 5. Wherein the base 3 is slidably disposed on the guide bar 12, and a first receiving groove 31 and a second receiving groove 32 are respectively disposed on two opposite sidewalls of the base 3. First indicator wheel 4 is rotatable to be set up inside first holding tank 31, and the rotatable setting of second indicator wheel 5 is inside second holding tank 32, and all is equipped with the instruction sign on the top surface of first indicator wheel 4 and second indicator wheel 5.

When using, the experimenter can slide the indicator to the positioning unit department of treating the application of sample for the accommodation hole dropwise add line of signal micropore board rotates first indicating wheel 4 according to the dropwise add process afterwards, is used for signaling accommodation hole dropwise add row, thereby borrows the cooperation of helping line, row to clearly and definitely treat the accommodation hole of dropwise add sample, avoids appearing the condition of wrong application of sample. In addition, the experimenter can also count the sample dripping times of the accommodating hole corresponding to the current positioning hole 21 through the second indicating wheel 5, so that the condition of missing addition is avoided.

For example, taking a 96-microplate as an example, the indication marks on the top surfaces of the first indication wheel 4 and the second indication wheel 5 should be arranged in a ring shape, wherein the top surface of the first indication wheel 4 should be provided with 1-12 digital indication marks (according to the number of accommodating holes in each row of the microplate), and the top surface of the second indication wheel 5 should be provided with 0-4 digital indication marks (according to the actual dropping number requirement).

As another alternative of this embodiment, in order to facilitate the experimenter to observe the indication mark, a first observation port 34 and a second observation port 35 should be provided on the top surface of the base 3. The first observing port 34 is connected to the first receiving groove 31, and the second observing port 35 is connected to the second receiving groove 32.

Optionally, for avoiding the indicator to slide unusually after moving the holding hole dropwise add line of micropore board, this embodiment can be equipped with magnetism on the bottom surface of base 3 and inhale the sheetmetal (like the iron sheet) to be equipped with a plurality of magnetism on locating plate 2 and inhale locating bar 22 (like magnet), and a plurality of magnetism inhale locating bar 22 and a plurality of locating element one-to-one and arrange. When the magnetic metal sheet on the base 3 is coincided with the magnetic positioning strip 22, the magnetic positioning strip 22 can adsorb the magnetic metal sheet, and the position of the indicator can be fixed, so that the abnormal sliding of the indicator is avoided. When the indicator needs to be moved again, the experimenter can apply torque to the indicator, and when the torque is greater than the magnetic attraction between the magnetic attraction metal sheet and the magnetic attraction positioning strip 22, the indicator can be moved again, so that the experimenter can complete sample adding work.

In addition, a handle 36 may be provided on the base 3 to facilitate handling of the indicator, thereby facilitating grasping by the experimenter. The first indication wheel 4 should be arranged on one side of the base 3 close to the experimenter so that the experimenter can drive the first indication wheel 4 to rotate by using a thumb, and the second indication wheel 5 should be arranged on one side of the base 3 far away from the experimenter so that the experimenter can drive the second indication wheel 5 to move by using an index finger.

Optionally, after completing sample adding for multiple times to one receiving hole, an experimenter needs to zero the second indicating wheel 5 to count the sample adding times of the next receiving hole, so in this embodiment, a rotating hole 321 is disposed on the bottom surface of the second receiving groove 32, and a rotating shaft 52 is disposed on the bottom surface of the second indicating wheel 5, and when the experimenter is installed, the rotating shaft 52 is disposed inside the rotating hole 321. In addition, a return torsion spring 521 may be fitted over the rotation shaft 52, and one end of the return torsion spring 521 is connected to an outer sidewall of the rotation shaft 52 and the other end is connected to an inner sidewall of the rotation hole 321. When the second indicator wheel 5 rotates, the elastic force is accumulated in the reset torsion spring 521, and when the reset to zero is required, the elastic force in the reset torsion spring 521 applies a torque to the second indicator wheel 5, thereby driving the second indicator wheel 5 to reset.

Correspondingly, in order to conveniently control the reset and zero-returning time of the second indicator wheel 5, a locking component is further arranged on the indicator in the embodiment. Specifically, inside mounting groove 33 that is equipped with of base 3, and mounting groove 33 is linked together with second holding tank 32, and the locking subassembly slides and sets up inside mounting groove 33, and is equipped with locking groove 51 on the lateral wall of second indicator wheel 5. When the second indicator wheel 5 is rotated, the locking groove 51 is aligned with the mounting groove 33, and the locking assembly is inserted into the locking groove 51 to limit the rotation of the second indicator wheel 5. When the reset to zero is needed, the experimenter can drive the locking assembly to slide in the opposite direction, so that the locking assembly exits the locking groove 51, and the second indicating wheel 5 is reset under the action of the reset torsion spring 521.

Fig. 4 is an exploded view of the indicator, and as shown, the locking assembly includes a locking block 81 and a locking spring 82. The side wall of the locking block 81 close to the second indicator wheel 5 is provided with a locking protrusion 811, and when the second indicator wheel 5 needs to be limited, the locking protrusion 811 is inserted into the locking groove 51. Locking spring 82 is disposed inside mounting groove 33, and one end of locking spring 82 is connected to the inner wall of mounting groove 33, and the other end is connected to the side wall of locking piece 81 away from locking protrusion 811.

In addition, in order to facilitate the experimenter to drive the locking assembly to slide in the direction away from the second indicator wheel 5, an operating bar 812 should be further disposed on the top surface of the locking block 81. Accordingly, an operation slot 331 is provided on the top surface of the base 3, the operation slot 331 should communicate with the mounting slot 33, and the operation bar 812 is disposed inside the operation slot 331. When the unlocking action of the second indicator wheel 5 is required, the experimenter may apply force to the locking assembly through the operation bar 812 so that the locking protrusion 811 exits the locking groove 51.

The following explains the effects of the above-described scheme:

this embodiment provides a micropore board application of sample auxiliary device, can reduce the degree of difficulty of adjusting well of receiving hole on pipettor and the micropore board through the positioning unit on the locating plate, can also signal the process of application of sample work through the indicator to reduce the degree of difficulty of application of sample work, make things convenient for the experimenter to operate. Secondly, this device can realize the quick reset of second indication wheel through the cooperation of reset torsion spring and locking subassembly, consequently can improve experimenter's operation convenience. In addition, the clamping component in the device can be adjusted according to actual requirements, so that the device is suitable for micro-porous plates of different specifications.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a micropore board application of sample auxiliary device which characterized in that includes: the device comprises a support frame (1), a clamping assembly, a positioning plate (2) and an indicator; the clamping assembly is arranged in the support frame (1), and a clamping gap for accommodating a micro-porous plate is arranged in the support assembly; the side wall of the support frame (1) is provided with a mounting notch (11), the mounting notch (11) is positioned above the clamping assembly, the positioning plate (2) is inserted into the support frame (1) along the mounting notch (11), and the positioning plate (2) is parallel to the bottom plate of the support frame (1); a plurality of positioning units which are uniformly arranged along the width direction of the positioning plate (2) are arranged on the positioning plate (2), and each positioning unit comprises a plurality of positioning holes (21) which are uniformly arranged along the length direction of the positioning plate (2); a guide rod (12) is further arranged on the support frame (1), and the length direction of the guide rod (12) is parallel to the width direction of the positioning plate (2); the indicator includes: the base (3) is arranged on the guide rod (12) in a sliding mode, and a first accommodating groove (31) and a second accommodating groove (32) are formed in two opposite side walls of the base (3) respectively; the top surfaces of the first indicating wheel (4) and the second indicating wheel (5) are provided with indicating marks, the first indicating wheel (4) is rotatably arranged in the first accommodating groove (31), and the second indicating wheel (5) is rotatably arranged in the second accommodating groove (32); the base (3) is internally provided with a mounting groove (33), the mounting groove (33) is communicated with the second accommodating groove (32), the locking assembly is arranged in the mounting groove (33) in a sliding mode, and a locking groove (51) used for accommodating the locking assembly is formed in the side wall of the second indicating wheel (5).

2. The microplate sample-adding auxiliary device of claim 1, wherein: the clamping assembly comprises a first clamping jaw and a second clamping jaw, the first clamping jaw and the second clamping jaw are respectively arranged on two opposite side walls of the support frame (1), and the clamping gap is formed between the first clamping jaw and the second clamping jaw.

3. The microplate sample application assisting device of claim 2, wherein: the first clamping jaw comprises an adjusting screw rod (61) and a first clamping piece (62), a threaded hole is formed in the side wall of the support frame (1), and the adjusting screw rod (61) is arranged in the threaded hole; first holding piece (62) set up inside support frame (1), form first accommodation clearance between the bottom surface of first holding piece (62) and support frame (1), and first holding piece (62) is connected with adjusting screw (61)'s tip is rotated.

4. The microplate sample-adding auxiliary device of claim 2, wherein: the second gripper jaw comprises: the clamping device comprises a connecting rod (71), a second clamping piece (72) and a clamping spring (73), wherein a containing hole is formed in the side wall of the support frame (1), and the connecting rod (71) is arranged in the containing hole in a sliding mode; the second clamping piece (72) is arranged in the support frame (1), and a second accommodating gap is formed between the second clamping piece (72) and the bottom surface of the support frame (1); one end of the connecting rod (71) is connected with the second clamping piece (72), the clamping spring (73) is sleeved on the connecting rod (71), one end of the clamping spring (73) is connected with the second clamping piece (72), and the other end of the clamping spring is connected with the side wall of the supporting frame (1) provided with the accommodating hole.

5. The microplate sample-adding auxiliary device of claim 1, wherein: the bottom surface of the base (3) is provided with a magnetic metal sheet, the positioning plate (2) is further provided with a plurality of magnetic positioning strips (22), and the plurality of magnetic positioning strips (22) and the plurality of positioning units are arranged in a one-to-one correspondence manner.

6. The microplate sample-adding auxiliary device of claim 1, wherein: the locking subassembly includes locking piece (81) and locking spring (82), be equipped with locking arch (811) on the lateral wall that locking piece (81) are close to second indicating wheel (5), the one end of locking spring (82) links to each other with the inner wall of mounting groove (33), and the other end links to each other with the lateral wall that locking piece (81) kept away from locking arch (811).

7. The microplate sample application assisting device of claim 6, wherein: be equipped with operation strip (812) on the top surface of locking piece (81), be equipped with operation groove (331) on the top surface of base (3), operation groove (331) are linked together with mounting groove (33), and inside operation groove (331) were arranged in operation strip (812).

8. The microplate sample-adding auxiliary device of claim 1, wherein: the top surface of the base (3) is provided with a first observation port (34) and a second observation port (35), the first observation port (34) is communicated with the first accommodating groove (31), and the second observation port (35) is communicated with the second accommodating groove (32).

9. The microplate sample application assisting device of claim 1, wherein: a rotating hole (321) is formed in the bottom surface of the second accommodating groove (32), a rotating shaft (52) is arranged on the bottom surface of the second indicating wheel (5), and the rotating shaft (52) is arranged in the rotating hole (321); the cover is equipped with reset torsion spring (521) on axis of rotation (52), the lateral wall of one end and axis of rotation (52) of reset torsion spring (521) links to each other, and the other end links to each other with the inside wall that rotates hole (321).

10. The microplate sample application assisting device of claim 1, wherein: be equipped with on the bottom plate of support frame (1) and dodge incision (13), dodge incision (13) and be located inside the centre gripping clearance.

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