CN217025910U

CN217025910U - Prevention adds wrong appearance device

Info

Publication number: CN217025910U
Application number: CN202220778150.5U
Authority: CN
Inventors: 连浩斌; 白登艳; 贾全胜; 高洁; 高婷; 许友强; 刘静
Original assignee: Xinjiang Jinyu Medical Laboratory Co ltd
Current assignee: Xinjiang Jinyu Medical Laboratory Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-07-22
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses a device for preventing adding and misplugging, wherein a 96 pore plate upper end is buckled with an adding and misplugging prevention structure body, the bottom surface of a cover plate of the adding and misplugging prevention structure is provided with a groove corresponding to the upper end of the 96 pore plate, the upper end of the 96 pore plate is inserted in the groove, the middle part of the upper surface of the cover plate is provided with a rectangular through hole, the left side wall of the rectangular through hole is uniformly and transversely provided with a strip-shaped through hole, a baffle plate is inserted in the strip-shaped through hole, and the bottom surface of the baffle plate is provided with a drawing limiting structure corresponding to the edge of the 96 pore plate adding hole; prevent adding wrong appearance structure body and set up in 96 orifice plates upper end, utilize the shielding plate that can the pull to shelter from with the appearance hole top, carry on spacingly through the pull limit structure to the pull of each check of shielding plate for the shielding plate can be by accurate spacing after getting rid of to shelter from with the appearance hole at the pull, guarantees to shelter from the perfect in next appearance hole, stops cross contamination's problem and appears, and this kind of mode convenient operation need not the manual control shielding plate pull distance.

Description

Prevention adds wrong appearance device

Technical Field

The utility model relates to the technical field of biological detection equipment, in particular to a wrong sample adding prevention device.

Background

The 96-well plate is a common reaction container, is widely used in the fields of clinical diagnosis, biological research and the like of hospitals or scientific research laboratories, realizes high-flux operation on biological samples such as protein precipitation, cell and human body fluid extraction, nucleic acid extraction and the like by using a combined ejection gun, a high-flux automatic liquid operation instrument and software, greatly improves the efficiency of sample treatment, but still adopts a manual sample adding method for operation in part of hospitals or scientific research laboratories due to the high cost of automatic sample adding equipment.

In the early stage treatment of part of special samples, the whole automatic operation cannot be completely adopted to ensure the biological safety, such as infectious samples containing viruses and the like, wherein the samples must be fully and uniformly swirled in a biological safety workbench when the infectious samples containing the viruses and the like are extracted, and the samples are added into the holes of a 96-hole plate one by one in a manual sample adding mode to prevent the pollution of the viruses to the environment; in order to prevent the 96-well plate from being exposed in the environment during the sample adding, when the sample splashes, cross contamination between the sample adding holes is easily caused due to the existence of aerosol, thereby causing the problem of inaccurate experimental results, the chinese utility model CN202120411708.1 provides a device for preventing the wrong sample adding, in the sample adding process of the device for preventing the wrong sample adding, due to the existence of the clamping strip, when the sample adding is carried out on a certain row of sample adding holes, the sample adding holes of other rows can be covered by the corresponding clamping strip, which plays a role in preventing the sample from splashing to a certain extent, thereby reducing the cross contamination problem caused by the existence of aerosol, thereby greatly improving the accuracy of the experimental results, and simultaneously playing a certain protection role for operators in the process of extracting the infectious sample adding.

However, in the use process of the scheme, the clamping strips shielding one row are drawn out, the clamping strips of other rows are covered, and the problem of cross contamination still exists between the exposed rows of the sample adding holes; even the card strip is slowly pulled and is got rid of one by one and is got rid of the sheltering from to a row of application of sample hole during the operation, also exist because of card strip pull position is inaccurate, lead to the application of sample hole not sheltered from completely and cause cross contamination's problem, in order to solve above-mentioned problem, we have proposed a prevention and have added wrong appearance device.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a device for preventing misloading, which solves the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a prevention adds wrong appearance device, includes the 96 orifice plate, 96 orifice plate upper end lock has prevents adding wrong appearance structure body, prevent adding wrong appearance structure body including the apron, the rectangle through-hole has been seted up at apron upper surface middle part, the bar through-hole has evenly transversely been seted up to the left side wall of rectangle through-hole, it has the shielding plate to peg graft in the bar through-hole, and the shielding plate shelters from in the horizontal row of 96 orifice plate adds the appearance hole top, the shielding plate bottom surface corresponds 96 orifice plate and adds appearance hole edge and is equipped with pull limit structure.

Preferably, the bottom surface of the cover plate is provided with a groove corresponding to the upper end of the 96-well plate, and the upper end of the 96-well plate is inserted into the groove.

Preferably, pull limit structure includes the rectangle strip of fixed assembly in 96 orifice plate application of sample hole edge, the bar groove has been seted up to rectangle strip upper surface, bar tank bottom surface middle part fixedly connected with spring, spring upper end fixed assembly has the spheroid, the shielding plate bottom surface corresponds the spheroid and has seted up the hemisphere groove, spheroid upper end joint in corresponding in the hemisphere inslot.

Preferably, the upper surface of the cover plate is fixedly provided with a partition plate spacing structure, and the partition plate spacing structure is matched with a 96-well plate for use.

Preferably, the partition plate spacing structure comprises partition plates which are uniformly and longitudinally fixedly assembled on the upper surface of the cover plate, the partition plates are positioned above the edges of the sampling holes of the 96-hole plate, and a spacing cavity is formed between the partition plates.

Preferably, the lower end of the 96-well plate is fixedly provided with a bottom plate, and an anti-skid layer is fixedly adhered to the bottom surface of the bottom plate.

Preferably, a handle part is fixedly assembled in the middle of the right side surface of the cover plate, and the handle part comprises a handle plate fixedly assembled in the middle of the right side surface of the cover plate.

Preferably, the upper surface of the handle plate is uniformly and transversely provided with a circular groove, and a rubber layer is fixedly adhered to the bottom surface of the circular groove.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the anti-misplugging structure body that the scheme adopted sets up in 96 orifice plates upper end, utilizes the shielding plate that can the pull to shelter from with the appearance hole top, and the pull to each check of shielding plate is carried on spacingly through pull limit structure for the shielding plate can be by accurate spacing after getting out of the shade to one with the appearance hole at the pull, guarantees to shelter from the perfect in next with the appearance hole, stops cross contamination's problem and appears, and this kind of mode convenient operation need not the manual control shielding plate pull distance.

(2) The pull limit structure that the scheme adopted passes through this elastic appliance jack-up spheroid of spring for spheroid upper end joint is in the hemisphere inslot of shielding plate bottom surface, when the pull shielding plate, the spheroid receives the extrusion and extrudees the spring shrink downwards, the shielding plate pull is got rid of and is sheltered from the back to a sample addition hole, when the hemisphere groove of shielding plate bottom surface corresponds the spheroid of next check, the spheroid blocks into the hemisphere groove that corresponds under the reset action of spring, obvious resistance can be felt to the pull this moment, stop to continue the pull can, repeat the above-mentioned operation and accomplish the application of sample one by one to one row of sample addition hole one by one, then repeat the above-mentioned operation to the sample addition hole of other rows.

(3) The baffle interval structure that the scheme adopted carries out the interval to every row between the application of sample hole, and every row of application of sample hole can be separated to the compartment of formation, and the horizontal space size of compartment is limited, can effectively shelter from the sample that splashes at every check application of sample hole application of sample in-process, avoids the sample to splash extravagantly, guarantees experimental environment's cleanness, realizes the back to the baffle clear up, the disinfection can.

(4) The bottom plate that the scheme adopted is used for the support of device, through the setting of skid resistant course, guarantees the stability that the device was placed.

(5) The handle portion that the scheme adopted sets up on the apron, and the convenient operation to preventing adding the wrong appearance structure body, convenient to detach or installation prevent adding wrong appearance structure body, and the convenience is to preventing adding the clearance and the disinfection of wrong appearance structure body.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic diagram of a 96-well plate according to the present invention;

FIG. 3 is a schematic structural diagram of the anti-misplug structure body of the present invention;

FIG. 4 is an enlarged schematic view of the structure of the point A in FIG. 3 according to the present invention.

In the figure: 1-96 pore plates, 2-anti-loading wrong sample structure bodies, 21-cover plates, 22-grooves, 23-rectangular through holes, 24-strip-shaped through holes, 25-shielding plates, 26-drawing limiting structures, 261-rectangular strips, 262-strip-shaped grooves, 263-springs, 264-spheres, 265-hemispherical grooves, 3-partition plate spacing structures, 31-partition plates, 32-spacing cavities, 4-bottom plates, 5-handle parts, 51-handle plates and 52-circular grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a prevention adds wrong appearance device, including 96

orifice plate

1, 1 upper end lock of 96 orifice plate has prevents adding wrong appearance structure body 2, prevent adding wrong appearance structure body 2 including apron 21, apron 21 bottom surface corresponds 1 upper end of 96 orifice plate and has seted up recess 22, peg graft in recess 22 on 1 of 96 orifice plate, rectangle through-hole 23 has been seted up at apron 21 upper surface middle part, bar through-hole 24 has evenly transversely been seted up to the left side wall of rectangle through-hole 23, it has shielding plate 25 to peg graft in 24 interpolation of bar through-hole, and shielding plate 25 shelters from in the horizontal row of 96 orifice plate 1 and adds the appearance hole top, shielding plate 25 bottom surface corresponds 1 interpolation hole edge of 96 orifice plate and is equipped with pull limit structure 26.

Prevent adding wrong appearance structure body 2 of adoption sets up in 1 upper end of 96 orifice plates, the shielding plate 25 that utilizes can the pull shelters from with the sample hole top, the pull of each check to shielding plate 25 through pull limit structure 26 is carried on spacingly, make shielding plate 25 get rid of after sheltering from to a sample hole at the pull and can be by accurate spacing, guarantee to shelter from the perfect in next sample hole, stop cross contamination's problem and appear, this kind of mode convenient operation, need not the 25 pull distances of manual control shielding plate.

Particularly, pull limit structure 26 includes fixed mounting in the rectangle strip 261 of 96 orifice plate 1 application of sample hole edge, and strip groove 262 has been seted up to rectangle strip 261 upper surface, strip groove 262 bottom surface middle part fixedly connected with spring 263, and spring 263 upper end fixed mounting has spheroid 264, and shielding plate 25 bottom surface corresponds spheroid 264 and has seted up hemisphere groove 265, and spheroid 264 upper end joint is in corresponding hemisphere groove 265.

The adopted drawing limiting structure 26 jacks up the ball 264 through the elastic device of the spring 263, so that the upper end of the ball 264 is clamped in the hemispherical groove 265 on the bottom surface of the shielding plate 25, when the shielding plate 25 is drawn, the ball 264 is extruded to downwards extrude the spring 263 to shrink, after the shielding plate 25 is drawn and removed to shield one sample adding hole, and the hemispherical groove 265 on the bottom surface of the shielding plate 25 corresponds to the ball of the next grid, the ball 264 is clamped in the corresponding hemispherical groove 265 under the reset action of the spring 263, at the moment, the drawing can feel obvious resistance, the drawing shielding plate 25 stops to continue drawing, the operations are repeated to finish one-by-one sample adding of one row of sample adding holes one by one, and then the operations are repeated to other rows of sample adding holes.

Specifically, the partition plate spacing structure 3 is fixedly assembled on the upper surface of the cover plate 21, the partition plate spacing structure 3 comprises partition plates 31 uniformly and longitudinally fixedly assembled on the upper surface of the cover plate 21, the partition plates 31 are positioned above the edges of the sample adding holes of the 96-hole plate 1, and a spacing cavity 32 is formed between every two adjacent partition plates 31; the baffle interval structure 3 of adoption is to carrying out the interval between every row of application of sample hole, and every row of application of sample hole can be separated to the compartment 32 of formation, and the horizontal space size of compartment 32 is limited, can effectively shelter from the sample that splashes at every check application of sample hole application of sample in-process, avoids the sample to splash extravagantly, guarantees experimental environment's cleanness, and the realization back is to baffle 31 clear up, the disinfection can.

Specifically, a bottom plate 4 is fixedly assembled at the lower end of the 96-well plate 1, and an anti-skid layer is fixedly adhered to the bottom surface of the bottom plate 4; the bottom plate 4 that adopts is used for the support of device, through the setting of skid resistant course, guarantees the stability that the device was placed.

Specifically, the middle part of the right side surface of the cover plate 21 is fixedly provided with a handle part 5, the handle part 5 comprises a handle plate 51 fixedly arranged in the middle part of the right side surface of the cover plate 21, the upper surface of the handle plate 51 is uniformly and transversely provided with a circular groove 52, and the bottom surface of the circular groove 52 is fixedly adhered with a rubber layer; the handle portion 5 of adoption sets up on apron 21, and convenient to prevent adding the operation of wrong appearance structure body 2, and convenient to detach or installation prevent adding wrong appearance structure body 2, and the convenience is to preventing adding the clearance and the disinfection of wrong appearance structure body 2.

The working principle is as follows: the anti-misplugging structure body 2 is arranged at the upper end of the 96-hole plate 1, the shielding plate 25 capable of being pulled is used for shielding the upper part of the sample adding hole, the pulling limiting structure 26 is used for limiting the pulling of each grid of the shielding plate 25, so that the shielding plate 25 can be accurately limited after one sample adding hole is shielded by pulling removal, the next sample adding hole is guaranteed to be shielded perfectly, the problem of cross contamination is avoided, the mode is convenient to operate, and the pulling distance of the shielding plate 25 does not need to be controlled manually.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevention adds wrong appearance device which characterized in that: including 96 orifice plate (1), 96 orifice plate (1) upper end lock has prevents adding wrong appearance structure body (2), prevent adding wrong appearance structure body (2) including apron (21), rectangle through-hole (23) have been seted up at apron (21) upper surface middle part, bar through-hole (24) have evenly transversely been seted up to the left side wall of rectangle through-hole (23), it has shielding plate (25) to peg graft in bar through-hole (24), and shielding plate (25) shelter from in the horizontal row of 96 orifice plate (1) sample addition hole top, shielding plate (25) bottom surface corresponds 96 orifice plate (1) sample addition hole edge and is equipped with pull limit structure (26).

2. A mis-sample prevention device as claimed in claim 1, wherein: a groove (22) is formed in the bottom surface of the cover plate (21) corresponding to the upper end of the 96 pore plate (1), and the upper end of the 96 pore plate (1) is inserted into the groove (22).

3. A misloading prevention apparatus as claimed in claim 1, wherein: pull limit structure (26) including fixed mounting in rectangle strip (261) of 96 orifice plate (1) application of sample hole edge, strip groove (262) have been seted up to rectangle strip (261) upper surface, strip groove (262) bottom surface middle part fixedly connected with spring (263), spring (263) upper end fixed mounting has spheroid (264), hemisphere groove (265) have been seted up to shielding plate (25) bottom surface correspondence spheroid (264), spheroid (264) upper end joint in corresponding in hemisphere groove (265).

4. A mis-sample prevention device as claimed in claim 1, wherein: the upper surface of the cover plate (21) is fixedly provided with a partition plate spacing structure (3), and the partition plate spacing structure (3) is matched with the 96-hole plate (1) for use.

5. A misplug prevention device according to claim 4, wherein: baffle interval structure (3) are including even vertical fixed mounting in baffle (31) of apron (21) upper surface, baffle (31) are located 96 orifice plates (1) application of sample hole edge top, and are adjacent form compartment (32) between baffle (31).

6. A misloading prevention apparatus as claimed in claim 1, wherein: the lower extreme of 96 orifice plates (1) is fixed to be equipped with bottom plate (4), bottom plate (4) bottom surface is pasted and is fixed with the skid resistant course.

7. A misloading prevention apparatus as claimed in claim 1, wherein: the middle part of the right side surface of the cover plate (21) is fixedly provided with a handle part (5), and the handle part (5) comprises a handle plate (51) which is fixedly arranged in the middle part of the right side surface of the cover plate (21).

8. A mis-sample prevention device as claimed in claim 7, wherein: the handle plate (51) is uniformly and transversely provided with a circular groove (52) on the upper surface, and a rubber layer is fixedly adhered to the bottom surface of the circular groove (52).