CN215887025U

CN215887025U - Sample adding device for preventing aerosol from generating

Info

Publication number: CN215887025U
Application number: CN202121645069.1U
Authority: CN
Inventors: 黄必胜; 胡咏武
Original assignee: Ubaoubao Health Technology Ningbo Co ltd
Current assignee: Ubaoubao Health Technology Ningbo Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-02-22
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a sample adding device for preventing aerosol from generating, which belongs to the technical field of gene detection and comprises a base, a centrifugal mechanism, a sample adding mechanism, a fixing mechanism and a test tube, wherein the centrifugal mechanism is fixedly connected to the left side of the top of the base through bolts, the sample adding mechanism is positioned on the upper side of the base, the fixing mechanism is fixedly arranged on the outer side of the centrifugal mechanism, the test tube is inserted into an inner cavity of the fixing mechanism, the right side of the top of the base is fixedly connected with a supporting column, and a control panel is embedded on the upper side of the right side wall of the supporting column. The accuracy of the detection data is ensured.

Description

Sample adding device for preventing aerosol from generating

Technical Field

The utility model relates to the technical field of gene detection, in particular to a sample adding device for preventing aerosol from generating.

Background

The gene detection is a technology for detecting DNA through blood, other body fluids or cells, peripheral venous blood or other tissue cells of a detected person are taken, gene information of the peripheral venous blood or other tissue cells is amplified, DNA molecular information in the cells of the detected person is detected through specific equipment, and various conditions of the gene contained in the cells are analyzed, so that people can know the gene information of themselves, and the etiology is determined or the risk of a certain disease of the body is predicted;

most of test tubes used for the existing gene detection have simple structures, and are very easy to generate aerosol in the uncovering process, so that the aerosol pollution caused in the DNA or RNA extraction process influences the detection result, and the data is inaccurate, therefore, the sample adding device for preventing the aerosol from generating is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sample adding device for preventing aerosol from generating, and aims to solve the problems that most of test tubes for the existing gene detection in the background technology are simple in structure, aerosol is easily generated in the process of uncovering, and the detection result is influenced by aerosol pollution caused in the process of extracting DNA or RNA.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a prevent application of sample device of aerosol production, includes base, centrifugal mechanism, application of sample mechanism, fixed establishment and test tube, centrifugal mechanism passes through bolt fixed connection and is in the top left side of base, application of sample mechanism is located the upside of base, fixed establishment fixed mounting be in centrifugal mechanism's the outside, the test tube is pegged graft fixed establishment's inner chamber, the top right side fixedly connected with pillar of base, the right side wall upside of pillar is inlayed and is had control panel, the left side wall upside fixedly connected with branch of pillar, the top fixedly connected with connecting plate of pillar, bolt fixedly connected with air pump is passed through on the top right side of connecting plate, fixed connection in the middle of the end of branch and the bottom of connecting plate.

Preferably, centrifugal mechanism includes pivot, centrifugal rack, spacing, balancing stand and servo motor, centrifugal rack fixed connection be in servo motor's output, pivot fixed connection be in the lateral wall of centrifugal rack, and follow centrifugal rack a week is arranged in proper order, spacing passes through connecting rod fixed connection be in the downside of centrifugal rack, balancing stand fixed connection be in the bottom outside of centrifugal rack, and follow the bottom a week of centrifugal rack is arranged in proper order.

Preferably, application of sample mechanism includes application of sample head, application of sample frame, fixed block, cylinder and reagent bottle, application of sample frame fixed connection be in the bottom of fixed block, cylinder fixed connection be in the bottom outside of application of sample frame, and follow bottom a week of application of sample frame arranges in proper order, application of sample head fixed connection be in the piston end of cylinder, reagent bottle fixed connection be in the top of fixed block.

Preferably, fixed establishment includes base member, mounting hole, recess, block rubber, spring and flexible post, the mounting hole is opened the top of base member, the recess is opened in the middle of the inside wall left and right sides of mounting hole, spring fixed connection be in the top left and right sides of recess, flexible post fixed connection be in the middle of the bottom of recess, block rubber sliding connection be in the inner chamber of recess, the block rubber respectively with spring and flexible post fixed connection, base member and gimbal phase-match.

Preferably, the sample adding head is fixedly connected with the reagent bottle through a guide pipe, and the air cylinder is fixedly connected with the air pump through an air pipe.

Preferably, the centrifugal frame the shape of spacing and application of sample frame all is circular shape, the centrifugal frame the centre of a circle position of spacing and application of sample frame is in same perpendicular line.

Compared with the prior art, the utility model has the beneficial effects that: the sample adding device for preventing the generation of the aerosol is used by matching the fixing mechanism and the centrifugal mechanism, when the test tube is inserted into the mounting hole of the fixing mechanism, the rubber block is extruded, the reaction force is generated through the cooperation of the spring and the telescopic column, the rubber block is pushed to clamp the test tube, the test tube is convenient to fix and protect, the servo motor provides power to drive the centrifugal frame to rotate, and the test tube is supported by the rotating shaft under the action of centrifugal force, the bottom of the test tube moves to the outer side until reaching the limiting frame, so as to avoid the damage to the test tube caused by the overlarge outward movement angle, thereby being convenient for protecting the test tube, simultaneously moving all the reagent solution on the inner side wall of the test tube to the bottom of the test tube for centrifugal processing, preventing the generation of aerosol when opening the test tube cover again for sample adding, further avoiding aerosol pollution caused in the process of extracting DNA or RNA and ensuring the accuracy of detection data.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a partial sectional structural schematic view of the present invention.

In the figure: 100. a base; 110. a pillar; 111. a control panel; 112. a strut; 120. a connecting plate; 121. an air pump; 200. a centrifugal mechanism; 210. a rotating shaft; 220. a centrifugal frame; 230. a limiting frame; 240. a balancing stand; 250. a servo motor; 300. a sample adding mechanism; 310. a sample adding head; 320. a sample adding frame; 330. a fixed block; 340. a cylinder; 350. a reagent bottle; 400. a fixing mechanism; 410. a substrate; 420. mounting holes; 430. a groove; 440. a rubber block; 450. a spring; 460. a telescopic column; 500. test tubes.

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.

The utility model provides a sample adding device for preventing aerosol from generating, which effectively prevents the aerosol from generating and improves the accuracy of detection data, and please refer to fig. 1-3, and the device comprises a base 100, a centrifugal mechanism 200, a sample adding mechanism 300, a fixing mechanism 400 and a test tube 500;

referring to fig. 1-2, a support column 110 is fixedly connected to the right side of the top of a base 100, a control panel 111 is embedded on the upper side of the right side wall of the support column 110, a support rod 112 is fixedly connected to the upper side of the left side wall of the support column 110, a connecting plate 120 is fixedly connected to the top of the support column 110, an air pump 121 is fixedly connected to the right side of the top of the connecting plate 120 through a bolt, the end of the support rod 112 is fixedly connected to the middle of the bottom of the connecting plate 120, the base 100 is used for mounting a centrifugal mechanism 200, the support column 110 is used for mounting the connecting plate 120, the control panel 111 is used for controlling the start and the stop of a servo motor 250 and the air pump 121, the support rod 112 is used for improving the stability between the connecting plate 120 and the support column 110, and the air pump 121 is used for providing power;

referring to fig. 1-2 again, the centrifugal mechanism 200 is fixedly connected to the left side of the top of the base 100 by bolts, and the centrifugal mechanism 200 is used for centrifugal processing of the test tube 500;

referring to fig. 1-2 again, the sample adding mechanism 300 is located on the upper side of the base 100, specifically, the sample adding mechanism 300 is fixedly connected to the upper side of the base 100 through the connecting plate 120, and the sample adding mechanism 300 is used for adding a detection reagent;

referring to fig. 3, the fixing mechanism 400 is fixedly installed at the outer side of the centrifugal mechanism 200, specifically, the fixing mechanism 400 is rotatably connected to the outer side of the centrifugal mechanism 200 through the rotating shaft 210, and the fixing mechanism 400 is used for fixing the test tube 500;

referring to fig. 1 and 3, a test tube 500 is inserted into the inner cavity of the fixing mechanism 400, and the test tube 500 is used for containing a test sample.

Referring to fig. 1-2 again, in order to facilitate the centrifugal processing of the test tube 500, the centrifugal mechanism 200 includes a rotating shaft 210, a centrifugal frame 220, a limiting frame 230, a balancing frame 240 and a servo motor 250, wherein the centrifugal frame 220 is fixedly connected to an output end of the servo motor 250, the rotating shaft 210 is fixedly connected to an outer side wall of the centrifugal frame 220 and sequentially arranged along a circumference of the centrifugal frame 220, the limiting frame 230 is fixedly connected to a lower side of the centrifugal frame 220 through a connecting rod, and the balancing frame 240 is fixedly connected to an outer side of a bottom of the centrifugal frame 220 and sequentially arranged along a circumference of the bottom of the centrifugal frame 220.

Referring to fig. 1-2 again, in order to facilitate sample loading of the test tube 500, the sample loading mechanism 300 includes a sample loading head 310, a sample loading frame 320, a fixing block 330, a cylinder 340 and a reagent bottle 350, the sample loading frame 320 is fixedly connected to the bottom of the fixing block 330, the cylinder 340 is fixedly connected to the outer side of the bottom of the sample loading frame 320 and is sequentially arranged along the bottom of the sample loading frame 320 in a circle, the sample loading head 310 is fixedly connected to the piston end of the cylinder 340, and the reagent bottle 350 is fixedly connected to the top of the fixing block 330.

Referring to fig. 3 again, in order to fix the test tube 500, the fixing mechanism 400 includes a base 410, a mounting hole 420, a groove 430, a rubber block 440, a spring 450 and a telescopic column 460, wherein the mounting hole 420 is formed at the top of the base 410, the groove 430 is formed in the middle of the left side and the right side of the inner side wall of the mounting hole 420, the spring 450 is fixedly connected to the left side and the right side of the top of the groove 430, the telescopic column 460 is fixedly connected to the middle of the bottom of the groove 430, the rubber block 440 is slidably connected to the inner cavity of the groove 430, the rubber block 440 is respectively fixedly connected to the spring 450 and the telescopic column 460, and the base 410 is matched with the balance frame 240.

Referring to fig. 1-2 again, in order to facilitate the linkage between the components, the sample addition head 310 is fixedly connected with the reagent bottle 350 through a conduit, and the air cylinder 340 is fixedly connected with the air pump 121 through an air tube.

Referring to fig. 1-2 again, in order to improve the operation accuracy of the sample adding device, the centrifugal frame 220, the limiting frame 230 and the sample adding frame 320 are all circular, and the centers of the centrifugal frame 220, the limiting frame 230 and the sample adding frame 320 are located on the same vertical line.

When the device is used specifically, a person skilled in the art manually inserts the test tube 500 containing a sample to be detected into the mounting hole 420 of the fixing mechanism 400, in the process of inserting the test tube 500, the outer side wall of the test tube 500 extrudes the rubber block 440, through the cooperation of the spring 450 and the telescopic column 460, a rebound force is generated to push the rubber block 440, thereby clamping and fixing the test tube 500, through manually touching the control panel 111, the air pump 121 is started to operate, the air cylinder 340 is driven to operate through the air pump 121, thereby adjusting the position of the sample adding head 310, facilitating the addition of a detection reagent into the test tube 500, through the existence of various reagents inside the reagent bottle 350, making the reagents added by each sample adding head 310 different, according to requirements, facilitating the selection of different reagents, performing experimental operation, through manually touching the control panel 111, starting the servo motor 250 to operate, and driving the centrifugal frame 220 to rotate through the servo motor 250, under the effect through pivot 210, it takes place to rotate to drive fixed establishment 400, make test tube 500 slope, through spacing 230, the angle of control test tube 500 slope, avoid damaging test tube 500 because of the angle is too big, make the whole bottoms that move test tube 500 of the reagent solution of adhesion on the test tube 500 inside wall simultaneously, carry out centrifugal treatment, thereby when opening test tube 500 bottle lid once more and carrying out the application of sample, the production of aerosol has been prevented, and then has avoided causing the aerosol to pollute DNA or RNA.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a prevent application of sample device of aerosol production which characterized in that: comprises a base (100), a centrifugal mechanism (200), a sample adding mechanism (300), a fixing mechanism (400) and a test tube (500), wherein the centrifugal mechanism (200) is fixedly connected to the left side of the top of the base (100) through bolts, the sample adding mechanism (300) is positioned on the upper side of the base (100), the fixing mechanism (400) is fixedly installed on the outer side of the centrifugal mechanism (200), the test tube (500) is inserted into the inner cavity of the fixing mechanism (400), the right side of the top of the base (100) is fixedly connected with a supporting column (110), a control panel (111) is embedded on the upper side of the right side wall of the supporting column (110), a supporting rod (112) is fixedly connected to the upper side of the left side wall of the supporting column (110), a connecting plate (120) is fixedly connected to the top of the supporting column (110), and an air pump (121) is fixedly connected to the right side of the top of the connecting plate (120) through bolts, the tail end of the supporting rod (112) is fixedly connected with the middle of the bottom of the connecting plate (120).

2. The sample application device for preventing aerosol generation of claim 1, wherein: centrifugal mechanism (200) are including pivot (210), centrifugal frame (220), spacing (230), balancing stand (240) and servo motor (250), centrifugal frame (220) fixed connection be in the output of servo motor (250), pivot (210) fixed connection be in the lateral wall of centrifugal frame (220), and follow centrifugal frame (220) a week is arranged in proper order, spacing (230) pass through connecting rod fixed connection be in the downside of centrifugal frame (220), balancing stand (240) fixed connection be in the bottom outside of centrifugal frame (220), and follow the bottom a week of centrifugal frame (220) is arranged in proper order.

3. The sample application device for preventing aerosol generation of claim 1, wherein: sample feeding mechanism (300) includes sample feeding head (310), sample feeding frame (320), fixed block (330), cylinder (340) and reagent bottle (350), sample feeding frame (320) fixed connection be in the bottom of fixed block (330), cylinder (340) fixed connection be in the bottom outside of sample feeding frame (320), and follow the bottom a week of sample feeding frame (320) is arranged in proper order, sample feeding head (310) fixed connection be in the piston end of cylinder (340), reagent bottle (350) fixed connection be in the top of fixed block (330).

4. The sample application device for preventing aerosol generation of claim 1, wherein: fixed establishment (400) includes base member (410), mounting hole (420), recess (430), block rubber (440), spring (450) and flexible post (460), mounting hole (420) are opened the top of base member (410), recess (430) are opened in the middle of the inside wall left and right sides of mounting hole (420), spring (450) fixed connection be in the top left and right sides of recess (430), flexible post (460) fixed connection be in the middle of the bottom of recess (430), block rubber (440) sliding connection be in the inner chamber of recess (430), block rubber (440) respectively with spring (450) and flexible post (460) fixed connection, base member (410) and balancing stand (240) phase-match.

5. The sample application device for preventing aerosol generation as defined in claim 3, wherein: the sample adding head (310) is fixedly connected with the reagent bottle (350) through a guide pipe, and the air cylinder (340) is fixedly connected with the air pump (121) through an air pipe.

6. The sample application device for preventing aerosol generation as defined in claim 2, wherein: centrifugal frame (220), the shape of spacing (230) and application of sample frame (320) all is circular shape, centrifugal frame (220), the centre of a circle position of spacing (230) and application of sample frame (320) is in same perpendicular line.