CN219400215U

CN219400215U - Reagent extraction element

Info

Publication number: CN219400215U
Application number: CN202320267299.1U
Authority: CN
Inventors: 陈珺; 崔潇; 高田
Original assignee: Shanghai Jieyi Medical Laboratory Co ltd
Current assignee: Shanghai Jieyi Medical Laboratory Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-07-25
Anticipated expiration: 2033-02-21

Abstract

The utility model relates to the technical field of biological experiments, and discloses a reagent extraction device which comprises a bottom plate, wherein a first vertical rod is fixedly arranged at the top of the bottom plate, a rotating plate is rotatably arranged at the top of the first vertical rod, and a motor is fixedly arranged in the first vertical rod. According to the utility model, the rotating plate, the positioning groove, the protruding block and the spring are arranged, and the motor is operated to drive the rotating plate and the rubber head dropper to integrally rotate, so that the protruding block can be extruded into the first groove due to the rotation of the rotating plate, when the rotating plate rotates to the position where the next positioning groove is aligned with the protruding block, the protruding block is reset into the positioning groove due to the elastic force recovery function of the spring, the rotating angle of the rotating plate is subjected to auxiliary positioning, and the rubber head dropper is positioned right above the test tube, so that the reagent in the rubber head dropper can be accurately dropped into the test tube, and experimental errors are reduced.

Description

Reagent extraction element

Technical Field

The utility model relates to the technical field of biological experiments, in particular to a reagent extraction device.

Background

When a biological laboratory performs scientific research experiments, a reagent extraction device is usually required to be used, in the process of reagent extraction operation, other various different reagents are usually required to be added into a solvent in a test tube for extraction operation, and an addition mode in the prior art is usually adopted to be added by adopting a manual handheld rubber head dropper, so that the manual addition mode is suitable for extraction smoothness with few steps and simple reaction process, is not suitable for extraction operation with multiple steps and complex reaction process, is easy to cause fatigue of laboratory personnel, and can not accurately and completely drop solutions in the dropper into the test tube for reaction, so that improvement and optimization are required.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a reagent extraction device which has the advantages of accurate liquid dropping and automatic liquid draining.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a reagent extraction element, includes the bottom plate, the top fixed mounting of bottom plate has first montant, the top of first montant rotates and installs the commentaries on classics board, the inside fixed mounting of first montant has the motor, the output shaft of motor upwards with commentaries on classics board fixed connection, place the hole has been seted up at the top of commentaries on classics board, the constant head tank has been seted up to the surface of commentaries on classics board, the rubber head burette has been inserted to the inside of placing the hole, the top fixed mounting of bottom plate has the riser, first recess has been seted up to the inside of riser, the inside movable mounting of first recess has the kinematic block, the left end fixed mounting of kinematic block has the lug, the other end of lug extends to the inside of constant head tank, the inside elastic connection of first recess has the spring that is located the kinematic block side, the test tube has been placed at the top of bottom plate.

As a preferable technical scheme of the utility model, the outer surface of the test tube is movably sleeved with a circular ring, the bottom end of the circular ring is fixedly provided with three brackets; due to the design of the circular ring and the bracket, the test tube can be supported and limited to a certain extent, the condition that the test tube is inclined or inclined is avoided, and the dripping operation of the reagent is facilitated.

As a preferable technical scheme of the utility model, a limiting ring is fixedly arranged on the outer surface of the rubber head dropper, and the outer diameter value of the limiting ring is larger than the inner diameter value of the placing hole; due to the design of the limiting ring, the rubber head dropper can have a good limiting effect, and the rubber head dropper is prevented from sliding downwards in the placement hole when being extruded to discharge liquid.

As a preferable technical scheme of the utility model, a sponge is fixedly arranged at the top of the bottom plate, and the outer diameter value of the sponge is equal to that of the rotating plate and is positioned right below the rubber head dropper; due to the design of the sponge, the accidental dripping reagent of the rubber head dropper can be absorbed, and the reagent dripping is prevented from splashing, so that the clothes of an experimenter are polluted.

As a preferable technical scheme of the utility model, a second vertical rod is fixedly arranged at the top of the bottom plate, a transverse plate is fixedly arranged at the top of the second vertical rod, a motor is fixedly arranged at the top of the transverse plate, a lower pressing plate is movably arranged on the side surface of the second vertical rod, a third vertical rod is fixedly connected with an output shaft of the motor, and the third vertical rod penetrates through the lower pressing plate downwards.

As a preferable technical scheme of the utility model, a fixed block is fixedly arranged on the side surface of the second vertical rod, and the top of the fixed block is in sliding connection with the bottom end of the rotating plate; due to the design of the fixing block, when the lower pressing plate extrudes the rubber head dropper downwards, the fixing block plays a certain supporting role on the rotating plate, and the side surface of the rotating plate is prevented from being deformed and damaged due to long-term stress.

As a preferable technical scheme of the utility model, a second groove is formed in the second vertical rod, a limiting block is movably arranged in the second groove, and the limiting block is fixedly connected with the lower pressing plate; due to the design of the second groove, the lower pressing plate can be well limited, so that the lower pressing plate can be lifted more stably and smoothly, and the rubber head dropper can be pressurized and discharged conveniently.

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

1. according to the utility model, the rotating plate, the positioning groove, the protruding block and the spring are arranged, and the motor is operated to drive the rotating plate and the rubber head dropper to integrally rotate, so that the protruding block can be extruded into the first groove due to the rotation of the rotating plate, the spring is extruded to be in an elastic compression state, and when the rotating plate rotates to the next positioning groove to be aligned with the protruding block, the protruding block is reset into the positioning groove due to the elastic recovery effect of the spring, and the rotating angle of the rotating plate is subjected to auxiliary positioning, so that the rubber head dropper is positioned right above the test tube, and therefore, the reagent in the rubber head dropper is ensured to accurately drop into the test tube, and experimental errors are reduced.

2. According to the utility model, the motor, the lower pressing plate and the third vertical rod are arranged, the third vertical rod is driven to rotate due to the operation of the motor, and the outer surface of the third vertical rod is provided with the thread groove, so that the lower pressing plate is driven to move downwards to be in contact with the rubber head dropper and extrude the rubber head dropper along with the rotation of the third vertical rod, and reagent solution in the rubber head dropper is extruded into the test tube, so that the effect of automatic liquid discharge is realized, in actual use, the time of dripping can be regulated according to the requirement, the zero manual operation automatic timing adding operation is realized, and the use of experimental staff is facilitated.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the front face of the present utility model;

FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 2 according to the present utility model;

FIG. 4 is a schematic view of a partially enlarged structure of the present utility model at B in FIG. 2;

FIG. 5 is a schematic view of the internal structure of the riser of the present utility model;

FIG. 6 is a schematic view of the structure of the rotor plate of the present utility model.

In the figure: 1. a bottom plate; 2. a first vertical rod; 3. a rotating plate; 4. a motor; 5. placing the hole; 6. a positioning groove; 7. a rubber head dropper; 8. a riser; 9. a first groove; 10. a motion block; 11. a bump; 12. a spring; 13. a test tube; 14. a circular ring; 15. a bracket; 16. a limiting ring; 17. a sponge; 18. a second vertical rod; 19. a cross plate; 20. a motor; 21. a fixed block; 22. a lower pressing plate; 23. a third vertical rod; 24. a second groove; 25. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 6, the utility model provides a reagent extraction device, which comprises a bottom plate 1, wherein a first vertical rod 2 is fixedly arranged at the top of the bottom plate 1, a rotating plate 3 is rotatably arranged at the top of the first vertical rod 2, a motor 4 is fixedly arranged in the first vertical rod 2, an output shaft of the motor 4 is fixedly connected with the rotating plate 3 upwards, a placing hole 5 is formed in the top of the rotating plate 3, a positioning groove 6 is formed in the outer surface of the rotating plate 3, a rubber head dropper 7 is inserted in the placing hole 5, a vertical plate 8 is fixedly arranged at the top of the bottom plate 1, a first groove 9 is formed in the vertical plate 8, a moving block 10 is movably arranged in the first groove 9, a bump 11 is fixedly arranged at the left end of the moving block 10, the other end of the bump 11 extends into the positioning groove 6, a spring 12 positioned on the side surface of the moving block 10 is elastically connected in the first groove 9, and a test tube 13 is placed at the top of the bottom plate 1; after the test tube 13 filled with the reagent is placed by the experimenter, the required reagent is sucked by the rubber head dropper 7, the required reagent is placed in the placement hole 5 in sequence in a parallel manner according to the addition sequence, the motor 4 is started, the rotating plate 3 and the rubber head dropper 7 are driven to integrally rotate due to the operation of the motor 4, the protruding block 11 is extruded into the first groove 9 due to the rotation of the rotating plate 3, the spring 12 is extruded to be in an elastic compression state, when the rotating plate 3 rotates to the next positioning groove 6 to be aligned with the protruding block 11, at the moment, the protruding block 11 is reset to the inside of the positioning groove 6 due to the elastic restoring effect of the spring 12, the rotating angle of the rotating plate 3 is assisted in positioning, the rubber head dropper 7 is positioned right above the test tube 13, and therefore the accurate dripping of the reagent in the rubber head dropper 7 is ensured to be in the test tube 13, and experimental errors are reduced.

Wherein, the outer surface of the test tube 13 is movably sleeved with a circular ring 14, the bottom end of the circular ring 14 is fixedly provided with three brackets 15; due to the design of the circular ring 14 and the bracket 15, the test tube 13 can be supported and limited to a certain extent, the test tube 13 is prevented from tilting or tilting, and the reagent dripping operation is facilitated.

Wherein, the outer surface of the rubber head dropper 7 is fixedly provided with a limiting ring 16, and the outer diameter value of the limiting ring 16 is larger than the inner diameter value of the placing hole 5; due to the design of the limiting ring 16, a good limiting effect can be achieved on the rubber head dropper 7, and the phenomenon that the rubber head dropper 7 slides downwards in the placement hole 5 when being extruded to drain liquid is avoided.

The top of the bottom plate 1 is fixedly provided with a sponge 17, and the outer diameter value of the sponge 17 is equal to that of the rotating plate 3 and is positioned right below the rubber head dropper 7; due to the design of the sponge 17, the reagent which is accidentally dropped by the rubber head dropper 7 can be absorbed, so that the reagent drop is prevented from splashing, and the clothes of an experimenter are polluted.

The top of the bottom plate 1 is fixedly provided with a second vertical rod 18, the top of the second vertical rod 18 is fixedly provided with a transverse plate 19, the top of the transverse plate 19 is fixedly provided with a motor 20, the side surface of the second vertical rod 18 is movably provided with a lower pressing plate 22, the output shaft of the motor 20 is fixedly connected with a third vertical rod 23, and the third vertical rod 23 penetrates through the lower pressing plate 22 downwards; when the position of the rubber head dropper 7 is adjusted, the motor 20 is started after the rubber head dropper 7 is positioned right above the test tube 13, the third vertical rod 23 is driven to rotate due to the operation of the motor 20, and the thread groove is formed in the outer surface of the third vertical rod 23, so that the lower pressing plate 22 is driven to move downwards to be in contact with the rubber head dropper 7 and extrude the rubber head dropper 7, reagent solution in the rubber head dropper 7 is extruded into the test tube 13, the automatic liquid discharging effect is achieved, in actual use, the automatic timing adding operation of zero manual operation can be achieved according to the time of dripping as required, and the use of an experimenter is facilitated.

The side surface of the second vertical rod 18 is fixedly provided with a fixed block 21, and the top of the fixed block 21 is in sliding connection with the bottom end of the rotating plate 3; due to the design of the fixing block 21, when the lower pressing plate 22 presses the rubber head dropper 7 downwards, a certain supporting effect is achieved on the rotating plate 3 through the fixing block 21, and deformation damage caused by long-term stress on the side surface of the rotating plate 3 is avoided.

The second vertical rod 18 is provided with a second groove 24, a limiting block 25 is movably arranged in the second groove 24, and the limiting block 25 is fixedly connected with the lower pressing plate 22; due to the design of the second groove 24, the lower pressing plate 22 can be well limited, so that the lower pressing plate 22 can be lifted more stably and smoothly, and the rubber head dropper 7 can be pressurized and drained conveniently.

The working principle and the using flow of the utility model are as follows:

after the test tube 13 filled with the reagent is placed by an experimenter, the required reagent is sucked by the rubber head dropper 7 and then placed in the placing hole 5 in sequence according to the adding sequence, the motor 4 is started, the rotating plate 3 and the rubber head dropper 7 are driven to integrally rotate due to the operation of the motor 4, the protruding block 11 is extruded into the first groove 9 due to the rotation of the rotating plate 3, the spring 12 is extruded to be in an elastic compression state, when the rotating plate 3 rotates to the next positioning groove 6 to be aligned with the protruding block 11, the protruding block 11 is reset to the inside of the positioning groove 6 due to the elastic restoring effect of the spring 12, and the rotating angle of the rotating plate 3 is positioned in an auxiliary mode;

when the position of the rubber head dropper 7 is adjusted to be located right above the test tube 13, the motor 20 is started, the third vertical rod 23 is driven to rotate due to the operation of the motor 20, and the lower pressure plate 22 is driven to move downwards to be in contact with the rubber head dropper 7 and extrude along with the rotation of the third vertical rod 23 due to the fact that the thread groove is formed in the outer surface of the third vertical rod 23, so that reagent solution in the rubber head dropper 7 is extruded into the test tube 13.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. Reagent extraction device, comprising a bottom plate (1), characterized in that: the utility model is characterized in that a first vertical rod (2) is fixedly arranged at the top of the bottom plate (1), a rotating plate (3) is rotatably arranged at the top of the first vertical rod (2), a motor (4) is fixedly arranged in the first vertical rod (2), an output shaft of the motor (4) is fixedly connected with the rotating plate (3) upwards, a placing hole (5) is formed in the top of the rotating plate (3), a positioning groove (6) is formed in the outer surface of the rotating plate (3), a rubber head dropper (7) is inserted in the placing hole (5), the utility model discloses a test tube test device, including bottom plate (1), fixed mounting has riser (8) at the top of bottom plate (1), first recess (9) have been seted up to the inside of riser (8), the inside movable mounting of first recess (9) has movable block (10), the left end fixed mounting of movable block (10) has lug (11), the other end of lug (11) extends to the inside of constant head tank (6), the inside elastic connection of first recess (9) has spring (12) that are located movable block (10) side, test tube (13) have been placed at the top of bottom plate (1).

2. A reagent extraction device according to claim 1, wherein: the outer surface of test tube (13) activity has cup jointed ring (14), the bottom fixed mounting of ring (14) has support (15), the quantity of support (15) is three.

3. A reagent extraction device according to claim 1, wherein: the outer surface of the rubber head dropper (7) is fixedly provided with a limiting ring (16), and the outer diameter value of the limiting ring (16) is larger than the inner diameter value of the placing hole (5).

4. A reagent extraction device according to claim 1, wherein: the top of the bottom plate (1) is fixedly provided with a sponge (17), and the outer diameter value of the sponge (17) is equal to the outer diameter value of the rotating plate (3) and is positioned right below the rubber head dropper (7).

5. A reagent extraction device according to claim 1, wherein: the top fixed mounting of bottom plate (1) has second montant (18), the top fixed mounting of second montant (18) has diaphragm (19), the top fixed mounting of diaphragm (19) has motor (20), the side movable mounting of second montant (18) has holding down plate (22), the output shaft fixedly connected with third montant (23) of motor (20), third montant (23) run through holding down plate (22) downwards.

6. A reagent extraction device according to claim 5, wherein: the side of the second vertical rod (18) is fixedly provided with a fixed block (21), and the top of the fixed block (21) is in sliding connection with the bottom end of the rotating plate (3).

7. A reagent extraction device according to claim 5, wherein: the inside of second montant (18) has seted up second recess (24), the inside movable mounting of second recess (24) has stopper (25), stopper (25) and holding down plate (22) fixed connection.