Liquid separating and uniform mixing device for biological detection

Abstract

The utility model relates to the technical field of biological detection, in particular to a liquid separation and uniform mixing device for biological detection, which comprises a base, a rotating table is rotatably mounted on the top surface of the base, a mounting groove is formed in the top surface of the rotating table, a liquid separation bottle is placed on the inner side of the mounting groove, and a bottle cap is integrally formed on the top surface of the liquid separation bottle; an opening and closing structure is installed on the rotating table and comprises a two-way servo motor, and the two-way servo motor is fixedly installed on the top face of the rotating table. The opening and closing structure is installed on the rotating table, the rotating shaft can be driven by the two-way servo motor to swing on the upper side of the liquid separation bottle in a reciprocating mode so as to push the bottle cap, the opening and closing angle of the bottle cap can be larger, liquid injection can be prevented from being blocked, and after liquid injection is completed, the bottle cap is loosened so that the bottle cap can reset under the action of elasticity. And the bottle cap is reversely pushed through the reverse rotation of the push rod, so that the bottle cap stably covers the liquid separation bottle, and the practicability of the device is improved.

Description

Technical Field

[0001] This utility model relates to the field of biological detection technology, specifically a liquid mixing device for biological detection. Background Technology

[0002] When conducting water quality testing, it is necessary to take water samples and then use testing equipment to test for microorganisms in the water. When taking water samples, the samples need to be aliquoted to facilitate sample testing and preservation. The existing aliquoting method involves the operator holding the total sample and pouring it into aliquoting bottles, and then promptly capping the aliquoting bottles to prevent external microorganisms from entering the aliquoting bottles. This manual aliquoting operation is cumbersome and may also result in sample dripping out of the aliquoting bottles and being wasted.

[0003] In response, Chinese patent application number CN202420664897.7 discloses a liquid dispensing mechanism for a microbial detection device, comprising a base, a top plate fixed to the top of the base via a vertical rod, and a rotating platform rotatably mounted on the vertical rod. A storage bottle is mounted on the top surface of the top plate, and a dripping tube communicating with the storage bottle is mounted on the bottom surface of the top plate. Multiple slots are formed in the top surface of the rotating platform, into which dispensing bottles with sealed caps for receiving the detection liquid are inserted. Transmission components for sealing and lifting the dispensing bottles are provided on the base and top plate, and a drive component for driving the rotating platform is provided on the base. The beneficial effects of this utility model are: by utilizing the cooperation of the drive component and the transmission component, continuous operation of dripping liquid from the dispensing bottle, capping, and lifting can be achieved, replacing manual operation by personnel and improving the convenience and sterility of liquid dispensing in water detection to a certain extent.

[0004] The device uses a push-cap lever to place the cap on the dispensing bottle. However, in reality, the cap and dispensing bottle are usually connected by a plastic sheet. Since the plastic sheet has a certain degree of elasticity, the cap will maintain an acute angle with the dispensing bottle after opening, resulting in a small opening angle. When dispensing, the liquid will spill out due to the obstruction of the cap, causing waste.

[0005] Therefore, in order to solve the above problems, a liquid-liquid mixing device for biological detection is proposed. Utility Model Content

[0006] The purpose of this invention is to provide a liquid mixing device for biological detection, to solve the problem mentioned in the background art where the mechanism of the prior art can put the cap on the dispensing bottle by setting a cap push rod. However, in real life, since the cap and the dispensing bottle are mostly connected by a plastic sheet, and the plastic sheet itself has a certain elasticity, the cap will maintain an acute angle with the dispensing bottle after opening, and the opening angle is small. When dispensing liquid, the liquid will spill out due to the obstruction of the cap, causing waste.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a liquid mixing device for biological detection, comprising: a base, a rotating platform rotatably mounted on the top surface of the base, an installation groove formed on the top surface of the rotating platform, a liquid dispensing bottle placed inside the installation groove, and a bottle cap integrally formed on the top surface of the liquid dispensing bottle;

[0008] An opening and closing structure is installed on the rotating platform. The opening and closing structure includes a bidirectional servo motor. The bidirectional servo motor is fixedly installed on the top surface of the rotating platform. The output end of the bidirectional servo motor is fixedly connected to a rotating shaft. A push rod is fixedly connected to the upper end of the rotating shaft.

[0009] A mixing structure is installed at the top of the base. The mixing structure includes a liquid storage tank, which is fixedly installed at the top of the base. An inlet is installed on the side wall of the liquid storage tank, and an outlet is installed at the bottom of the liquid storage tank. A motor is fixedly installed on the top surface of the liquid storage tank, and a stirring paddle is fixedly connected to the output end of the motor.

[0010] Preferably, six sets of opening and closing structures and mounting slots are provided, and the bidirectional servo motor is installed on one side of the mounting slot.

[0011] Preferably, the push rod is located on the upper side of the dispensing bottle, and the push rod is adapted to the bottle cap.

[0012] Preferably, the liquid outlet is matched with the dispensing bottle, and the stirring paddle is located inside the storage tank.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: By installing an opening and closing structure on the rotating table, the bidirectional servo motor can drive the rotating shaft to swing back and forth on the upper side of the dispensing bottle to push the bottle cap, so that the opening and closing angle of the bottle cap is larger, avoiding obstruction of liquid injection. After the liquid injection is completed, the bottle cap is released, so that the bottle cap can be reset under the action of elasticity, and the bottle cap is pushed in the opposite direction by the reverse of the push rod, so that the bottle cap is stably placed on the dispensing bottle, thereby improving the practicality of the device.

[0014] 1. This utility model, by incorporating an opening and closing structure, places the dispensing bottle inside the mounting slot, ensuring the bottle cap faces the center of the top surface of the rotating platform. The rotating platform is then activated, rotating clockwise on the base. Simultaneously, a bidirectional servo motor starts, driving the rotating shaft to rotate. This rotating shaft, in turn, drives a push rod to rotate clockwise. As the push rod rotates, it pushes the bottle cap from front to back, causing it to flip open backwards on the dispensing bottle. This increases the opening angle of the bottle cap on the dispensing bottle, creating an obtuse angle between the cap and the bottle. The dispensing bottle is then gradually conveyed to the outlet. Below the liquid outlet, the liquid in the storage tank is delivered downwards to the dispensing bottle through the liquid outlet to achieve dispensing. As the rotary table continues to rotate, the dispensing bottle filled with liquid continues to rotate clockwise. At this time, the bidirectional servo motor drives the rotating shaft to reverse, and the rotating shaft drives the push rod to rotate counterclockwise. The push rod releases the push on the bottle cap, and the bottle cap returns to its original position under the action of elasticity, forming an acute angle with the dispensing bottle. Furthermore, the counterclockwise rotating push rod can push the bottle cap from back to front, so that the bottle cap covers the top surface of the dispensing bottle, achieving automatic capping with better results.

[0015] 2. This utility model has a mixing structure. Liquid is added to the storage tank through the inlet. The motor is started and drives the stirring paddle to rotate. The rotation of the stirring paddle can stir the liquid inside the storage tank, so that the liquid is kept in a flowing state. This avoids the solid particles inside the liquid settling to the bottom due to stillness, which would cause the liquid to be uneven and affect the accuracy of the test. Attached Figure Description

[0016] Figure 1 This is a front view schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a top view schematic diagram of the structure of the rotary table of this utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the dispensing bottle, bottle cap, and 24 of this utility model;

[0019] Figure 4 This is a side view sectional diagram of the liquid storage tank of this utility model.

[0020] In the diagram: 1. Base; 11. Rotary table; 12. Mounting slot; 13. Dispensing bottle; 14. Bottle cap; 2. Opening and closing structure; 21. Bidirectional servo motor; 22. Rotating shaft; 23. Push rod; 3. Mixing structure; 31. Storage tank; 32. Liquid inlet; 33. Liquid outlet; 34. Motor; 35. Stirring paddle. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-4 One embodiment provided by this utility model:

[0023] The base 1, rotating table 11, dispensing bottle 13, bottle cap 14, bidirectional servo motor 21, storage tank 31, outlet 33 and motor 34 used in this application are products that can be purchased directly from the market. Their principles and connection methods are existing technologies well known to those skilled in the art, so they will not be described in detail here.

[0024] A liquid mixing device for biological detection includes: a base 1, a rotating platform 11 rotatably mounted on the top surface of the base 1, an installation groove 12 opened on the top surface of the rotating platform 11, a liquid dispensing bottle 13 placed inside the installation groove 12, and a bottle cap 14 integrally formed on the top surface of the liquid dispensing bottle 13.

[0025] An opening and closing structure 2 is installed on the rotating table 11. The opening and closing structure 2 includes a bidirectional servo motor 21, which is fixedly installed on the top surface of the rotating table 11. The output end of the bidirectional servo motor 21 is fixedly connected to a rotating shaft 22, and the upper end of the rotating shaft 22 is fixedly connected to a push rod 23. By installing the opening and closing structure 2 on the rotating table 11, the bidirectional servo motor 21 can drive the rotating shaft 22 to swing back and forth on the upper side of the dispensing bottle 13 to push the bottle cap 14, so that the opening and closing angle of the bottle cap 14 is larger, avoiding obstruction of liquid injection. After the liquid injection is completed, the bottle cap 14 is released, so that the bottle cap 14 can be reset under the action of elasticity, and the bottle cap 14 is pushed in the opposite direction by the reverse rotation of the push rod 23, so that the bottle cap 14 is stably covered on the dispensing bottle 13, improving the practicality of the device.

[0026] A mixing structure 3 is installed at the top of the base 1. The mixing structure 3 includes a liquid storage tank 31, which is fixedly installed at the top of the base 1. An inlet 32 ​​is installed on the side wall of the liquid storage tank 31, and an outlet 33 is installed at the bottom of the liquid storage tank 31. A motor 34 is fixedly installed on the top surface of the liquid storage tank 31, and a stirring paddle 35 is fixedly connected to the output end of the motor 34. Liquid is added into the liquid storage tank 31 through the inlet 32. The motor 34 is started, and the motor 34 drives the stirring paddle 35 to rotate. The rotation of the stirring paddle 35 can agitate the liquid inside the liquid storage tank 31, so that the liquid remains in a flowing state and prevents the solid particles inside from settling to the bottom due to stillness, which would cause uneven liquid distribution and affect the accuracy of detection.

[0027] Furthermore, the opening and closing structure 2 and the mounting groove 12 are respectively provided with six sets. The bidirectional servo motor 21 is installed on one side of the mounting groove 12. The opening and closing structure 2 can move the bottle cap 14 at the top of the dispensing bottle 13 in the mounting groove 12 to control the angle between the bottle cap 14 and the dispensing bottle 13.

[0028] Furthermore, the push rod 23 is located on the upper side of the dispensing bottle 13. The push rod 23 is adapted to the bottle cap 14. The movement of the push rod 23 is not blocked by the dispensing bottle 13. During bidirectional rotation, it can push the bottle cap 14 back and forth to realize the convenient opening and closing of the bottle cap 14.

[0029] Furthermore, the liquid outlet 33 cooperates with the separating bottle 13, and the stirring paddle 35 is located inside the liquid storage tank 31. The liquid in the liquid storage tank 31 can be injected into the separating bottle 13 through the liquid outlet 33, and the stirring paddle 35 can agitate the liquid inside the liquid storage tank 31 to prevent solid particles in the liquid from settling to the bottom.

[0030] Working principle: Before use, add liquid into the storage tank 31 through the liquid inlet 32, start the motor 34, the motor 34 drives the stirring paddle 35 to rotate, the rotation of the stirring paddle 35 can stir the liquid inside the storage tank 31, so that the liquid is kept in a flowing state, and avoid the solid particles inside the liquid from settling to the bottom due to the liquid being still, which would cause the liquid to be uneven and affect the accuracy of the test.

[0031] In use, place the dispensing bottle 13 inside the mounting slot 12, and keep the bottle cap 14 facing the center of the top surface of the rotating table 11. Then start the rotating table 11, and the rotating table 11 will rotate clockwise on the base 1. At this time, the bidirectional servo motor 21 starts and drives the rotating shaft 22 to rotate. The rotating shaft 22 can drive the push rod 23 to rotate clockwise. When the push rod 23 rotates, it can push the bottle cap 14 from front to back, so that the bottle cap 14 flips back on the dispensing bottle 13, so that the opening and closing angle of the bottle cap 14 on the dispensing bottle 13 becomes larger and is in an obtuse angle with the dispensing bottle 13. Then the dispensing bottle 13 is gradually transported to the lower side of the liquid outlet 33, and the liquid in the storage tank 31 is transported downward through the liquid outlet 33 into the dispensing bottle 13 to achieve dispensing.

[0032] As the rotating table 11 continues to rotate, the liquid-filled dispensing bottle 13 continues to rotate clockwise. At this time, the bidirectional servo motor 21 drives the rotating shaft 22 to reverse, and the rotating shaft 22 drives the push rod 23 to rotate counterclockwise. The push rod 23 then releases the push on the bottle cap 14, and the bottle cap 14 returns to its original position under the action of elasticity, forming an acute angle with the dispensing bottle 13. Furthermore, the counterclockwise rotating push rod 23 can push the bottle cap 14 from back to front, so that the bottle cap 14 covers the top surface of the dispensing bottle 13, achieving automatic capping with better results.

[0033] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or equivalent variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are considered equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A liquid separation and mixing device for biological detection, comprising: The base (1), the top surface of the base (1) is rotatably installed with a rotating table (11), the top surface of the rotating table (11) is provided with a mounting groove (12), the inner side of the mounting groove (12) is placed with a separatory funnel (13), the top surface of the separatory funnel (13) is integrally formed with a bottle cap (14); Its characterized in that: The rotating table (11) is installed with an opening and closing structure (2), the opening and closing structure (2) comprises a bidirectional servo motor (21), the bidirectional servo motor (21) is fixedly installed on the top surface of the rotating table (11), the output end of the bidirectional servo motor (21) is fixedly connected with a rotating shaft (22), the upper end of the rotating shaft (22) is fixedly connected with a push rod (23); The top end of the base (1) is installed with a mixing structure (3), the mixing structure (3) comprises a liquid storage barrel (31), the liquid storage barrel (31) is fixedly installed on the top end of the base (1), the sidewall of the liquid storage barrel (31) is installed with a liquid inlet (32), the bottom end of the liquid storage barrel (31) is installed with a liquid outlet (33), the top surface of the liquid storage barrel (31) is fixedly installed with a motor (34), the output end of the motor (34) is fixedly connected with a stirring paddle (35).

2. The device according to claim 1, wherein: The opening and closing structure (2) and the mounting groove (12) are correspondingly provided with six groups, the bidirectional servo motor (21) is installed on one side of the mounting groove (12).

3. The device according to claim 1, wherein: The push rod (23) is located on the upper side of the separatory funnel (13), the push rod (23) is matched with the bottle cap (14).

4. The device according to claim 1, wherein: The liquid outlet (33) is matched with the separatory funnel (13), the stirring paddle (35) is located on the inner side of the liquid storage barrel (31).

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