CN219816299U

CN219816299U - Quantitative liquid separator

Info

Publication number: CN219816299U
Application number: CN202321265315.XU
Authority: CN
Inventors: 张安东; 张青
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-10-13
Anticipated expiration: 2033-05-23

Abstract

The utility model discloses a quantitative liquid dispenser, which comprises an objective table, wherein a bracket is arranged on the objective table, a rotary fixing frame is arranged on the bracket, a culture medium is arranged on the rotary fixing frame, a cover body is arranged at the bottle mouth of the culture medium, a liquid outlet pipeline and a cover body air inlet pipeline are arranged on the cover body, the air inlet pipeline is communicated with the cover body air inlet pipeline, the air inlet pipeline is communicated with a quantitative adjusting injector, the air inlet pipeline is provided with an air supply check valve and an air filter, the quantitative adjusting injector is communicated with an air suction pipeline, and the air suction pipeline is provided with an air suction check valve. The utility model has the beneficial effects that: the method has the advantages of being small in size, easy to operate, capable of quantifying, reducing pollution, preventing scalding and the like, and can greatly shorten the experimental period.

Description

Quantitative liquid separator

Technical Field

The utility model belongs to the technical field of microorganism experimental equipment and equipment, and particularly relates to a quantitative liquid dispenser.

Background

In the microbiological experiments, the culture medium is often required to be distributed. In operation, the culture medium needs to be held by hand for pouring, but the high-temperature treated culture medium is easy to cause hand scalding. Moreover, the manual pouring cannot accurately grasp the liquid dividing amount, uneven liquid dividing is easy to occur, and the operation is inconvenient by means of tools. Therefore, the existing quantitative liquid-separating mode brings inconvenience to operators, and a convenient, quick, accurate and safe quantitative liquid-separating device is needed.

Disclosure of Invention

The utility model aims at: provides a quantitative liquid separator, solves the problem of inconvenient quantitative liquid separation operation of the existing culture medium.

The aim of the utility model is achieved by the following technical scheme:

the utility model provides a ration knockout, including the objective table, be equipped with the support on the objective table, be equipped with the rotatory rotation mount along the horizontal axis on the support, be equipped with detachable culture medium on the rotation mount, the bottleneck department of culture medium seals and is equipped with detachable lid, be equipped with out liquid pipeline and lid air inlet line on the lid, air inlet line's one end and lid air inlet line intercommunication, air inlet line's the other end and the one-way air feed check valve that flows of ration regulation syringe are equipped with on the air inlet line along the ration regulation syringe to lid air inlet line, the one-way air feed check valve of taking out of ration regulation syringe and air feed line's one end intercommunication, the other end of air feed line is the atmosphere, be equipped with on the air feed line along the one-way air feed check valve of atmosphere to the ration regulation syringe.

Furthermore, the objective table is of an inverted U-shaped structure, two ends of the lower part of the objective table are supported on the operation table surface, a slot is formed in the upper part of the objective table, and the support is inserted and fixed in the slot.

Further, a bracket with a platy structure is erected on the objective table, a rotating groove is formed in the bracket, one side of the rotating fixing frame is hinged with a notch at one side of the rotating groove, the other side of the rotating fixing frame is hinged with a notch at the other side of the rotating groove, and a rotating locking assembly is arranged between the bracket and the rotating fixing frame.

Further, the rotating groove is a semicircular groove, the rotating fixing frame is of a circular ring structure, and the culture medium is of a cylindrical structure.

Further, the rotary fixing frame is connected with the culture medium through a buckle structure.

Further, the cover body is provided with a sealing ring which is in sealing fit with the bottle mouth of the culture medium, and the cover body is in threaded connection with the culture medium through the bottle mouth.

Furthermore, the air suction pipeline is communicated with the air suction and injection end of the quantitative adjusting injector through an air supply pipeline.

Further, the exhaust pipe is also provided with an air filter positioned at the atmosphere end.

Further, quantitative adjustment syringe establish on fixed frock, quantitative adjustment syringe includes injection tube and piston, fixed frock includes fixing base and lower fixing base, the loop bar of going up the fixing base is vertical wears to be established on the fixing base down, threaded connection has the stop nut of card to establish at the fixing base lower extreme down on the loop bar, is equipped with the elastic component between fixing base and the lower fixing base, the injection tube is established on the fixing base down, the piston is established on the fixing base.

The utility model has the beneficial effects that:

1. the culture medium and the like are fixed on the object stage by utilizing the double-channel cover body to form an airtight structure, quantitative split taking is carried out, and quantitative split charging of the culture medium is realized by quantitatively adjusting the injector by applying a simple atmospheric pressure principle.

2. The culture medium pouring plate can be used for a culture medium pouring plate in microbiological experiments, can also be used for liquid separation operation in cytology experiments and conventional experiments, and can be directly fixed on a rotary fixing frame for subsequent operation for a culture medium needing high-temperature sterilization, so that the direct contact of a palm with the scald is avoided.

3. Has the advantages of small size, easy operation, quantitative, pollution reduction, scald prevention and the like, and can greatly shorten the experimental period.

The foregoing inventive subject matter and various further alternatives thereof may be freely combined to form a plurality of alternatives, all of which are employable and claimed herein; and the utility model may be freely combined between choices (of non-conflicting choices) and with other choices as well. Various combinations will be apparent to those skilled in the art from a review of the present disclosure, and are not intended to be exhaustive or to limit the utility model to the precise forms disclosed.

Drawings

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

Fig. 2 is a schematic diagram of the operation of the present utility model.

In the figure: the device comprises a 1-objective table, a 2-support, a 3-rotation fixing frame, a 4-culture medium, a 5-cover body, a 6-liquid outlet pipeline, a 7-cover body air inlet pipeline, an 8-air supply pipeline, a 9-air supply one-way valve, a 10-air exhaust pipeline, an 11-air exhaust one-way valve, a 12-air filter, a 13-quantitative adjusting injector and a 14-fixing tool.

Detailed Description

The utility model will be further described with reference to specific examples and figures.

Referring to fig. 1 and 2, a quantitative dispenser includes a stage 1, a bracket 2, a rotary fixing frame 3, a culture medium 4, a cover 5, a liquid outlet pipeline 6, a cover air inlet pipeline 7, an air supply pipeline 8, an air supply check valve 9, an air exhaust pipeline 10, an air exhaust check valve 11, an air filter 12 and a quantitative adjustment syringe 13.

The objective table 1 is of an inverted U-shaped structure and is used for supporting a culture medium 4 and matched components thereof, two ends of the lower part of the objective table 1 are supported on an operation table surface, a slot is arranged in the middle of the upper part of the objective table 1, a support 2 is inserted and fixed in the slot, and the support 2 can be fixed on the objective table 1 in an adhesive mode. The objective table 1 has a certain height with the desktop, can confirm that convenient culture dish, test tube etc. carry out liquid and draw when bottleneck down in the experiment.

The support 2 is of a vertical plate-shaped structure, and a rotating groove is formed in the support 2 so as to realize the rotation of the rotating fixing frame 3, and the rotating groove is required to be matched with the shape of the rotating fixing frame 3. For example, the rotating groove is a semicircular groove, and the rotating fixing frame 3 is a circular ring structure. Similarly, the rotating groove is a rectangular groove, and the rotating fixing frame 3 is a rectangular frame structure.

One side of the rotary fixing frame 3 is hinged with a notch at one side of the rotary groove through a rotary shaft, and the other side of the rotary fixing frame 3 is hinged with a notch at the other side of the rotary groove through the rotary shaft, so that the rotary fixing frame 3 rotates along the horizontal axis relative to the bracket 2. A rotation locking component is arranged between the bracket 2 and the rotation fixing frame 3 and is used for realizing locking and fixing after rotation, for example, the rotation locking component can be a locking screw which passes through the bracket 2 and is tightly propped against the rotating shaft.

The culture medium 4 is cylindrical structure, rotates and connects through buckle structure between mount 3 and the culture medium 4, for example, the bottom of culture medium 4 is equipped with the card flange, rotates and is equipped with on the mount 3 with card flange complex card recess to realize the detachable connection of culture medium 4 on rotating the mount 3, can get in a flexible way to culture medium 4 and put. The culture medium 4 can also be bottles with round shape, conical shape, square shape and the like, when the bottle mouth of the culture medium 4 is fixed on the rotary fixing frame upwards to be in a preparation state, and when the rotary fixing frame makes the bottle mouth downwards, the culture medium can be split-packed through the adjustable booster.

The bottleneck department of culture medium 4 is sealed to be equipped with detachable lid 5, and lid 5 forms inclosed space with the inside of culture medium 4, and liquid spill when avoiding culture medium 4 upset also provides the basis for the air feed is suppressed and is realized quantitative liquid distribution.

The cover body 5 is connected with the culture medium 4 through the bottle mouth thread, so that the cover body 5 is detachably connected with the culture medium 4, and the operation is flexible and convenient. The sealing ring which is in sealing fit with the bottle mouth of the culture medium 4 is arranged on the cover body 5, the sealing ring seals the gap between the cover body 5 and the culture medium 4, and the tightness of the inside is ensured.

The cover body 5 is provided with a liquid outlet pipeline 6 and a cover body air inlet pipeline 7, one end of an air supply pipeline 8 is communicated with the cover body air inlet pipeline 7 through a hose, the other end of the air supply pipeline 8 is communicated with the pumping and injecting end of the quantitative adjusting injector 13, the air supply pipeline 8 is provided with an air supply one-way valve 9 which flows along the quantitative adjusting injector 13 to the cover body air inlet pipeline 7 in a one-way manner, the pumping and injecting end of the quantitative adjusting injector 13 is communicated with one end of an air pumping pipeline 10, the other end of the air pumping pipeline 10 is an atmospheric end, and the air pumping pipeline 10 is provided with an air pumping one-way valve 11 which flows along the atmospheric end to the quantitative adjusting injector 13 in a one-way manner.

The air suction pipeline 10 is communicated with the air suction and injection end of the quantitative adjusting injector 13 through the air supply pipeline 8, so that pipelines are saved, and the structural complexity of the pipelines or the air suction and injection end is avoided. An air filter 12 positioned at the atmosphere end is further arranged on the air extraction pipeline 10 and is used for guaranteeing the sterility of the air and the quality of the air.

The quantitative adjusting syringe 13 is a syringe with scales, specifically comprises a syringe barrel and a piston, and is pushed by manual pressing to realize air suction or air supply, and quantitative liquid separation is performed by utilizing the scales on the syringe barrel. Specifically, when quantitative liquid separation is performed, the quantitative adjusting injector 13 is used for exhausting air, the air enters through the air end of the air exhausting pipeline 10, and finally is pumped into the injector through the air exhausting one-way valve after filtering, and at the moment, the air cannot flow into the injector from the culture medium due to the action of the air supplying one-way valve. Then quantitatively adjusting the air supply of the injector 13, and enabling air to enter the culture medium through the air supply one-way valve, wherein the culture medium is a sealed space, the liquid outlet pipeline 6 is inserted into the liquid, then the liquid is discharged through the liquid outlet pipeline 6, and the scale variable quantity of the injector in the air supply process is the liquid quantity of the separated culture medium 4, so that quantitative liquid separation is realized, and at the moment, the air cannot be discharged from the air supply pipeline due to the action of the air exhaust one-way valve. Meanwhile, syringes with different capacities can be additionally arranged to serve as quantitative adjustment syringes.

The quantitative adjusting injector 13 is arranged on the fixed tooling 14, the quantitative adjusting injector 13 comprises an injection cylinder and a piston, and the fixed tooling 14 comprises an upper fixed seat and a lower fixed seat. The loop bar of the upper fixing seat vertically penetrates through the lower fixing seat, so that the upper fixing seat and the lower fixing seat can vertically move. The stop nut which is clamped at the lower end of the lower fixing seat is connected to the loop bar in a threaded manner, the upward moving distance of the upper fixing seat can be limited through the stop nut, so that the stroke of the upper fixing seat is controlled, the vertical position of the stop nut is adjusted, and the stroke of the fixed tool, namely the stroke of the quantitative adjustment injector 13, can be adjusted. An elastic piece is arranged between the upper fixing seat and the lower fixing seat, and after the pressing operation of the injector is finished, the injector can be automatically reset through the elastic piece, and the operation is convenient.

When the quantitative adjusting injector 13 is operated through the fixing tool 14, the injection cylinder is clamped on the lower fixing seat, the piston is clamped on the upper fixing seat, the upper fixing seat is pressed, the elastic force of the elastic piece is overcome, the upper fixing seat drives the piston to vertically move, quantitative filling is achieved, and then after the pressing force is removed, the upper fixing seat and the piston are reset under the action of the elastic piece, so that quantitative air extraction is achieved. The injection quantity of the injector can be adjusted by adjusting the position of the limit nut, or after the specification of the injector is changed, the limit nut is adjusted to a set position so as to meet the injection quantity adaptation of different injectors.

The working flow of the utility model is as follows: the air suction pipeline and the air supply pipeline are provided with two one-way valves to ensure the air flow direction, the air filter ensures the sterility of the air, and the quantitative adjustment injector adjusts the piston stroke according to the required capacity. The culture medium bottle or jar that just kill bacteria can be fixed with rotating the mount to screw up with the lid of binary channels, the bottleneck upwards is for not carrying out the culture medium and inverts, and the bottleneck down is for carrying out the culture medium and inverts.

The whole device adopts a simple atmospheric pressure principle to realize quantitative culture medium split charging, can be widely used for culture medium split charging configuration of cell experiments and microbiology experiments, can directly fix the culture medium requiring high-temperature sterilization on an objective table for subsequent operation, avoids hand-held dumping, also avoids direct contact of a palm with scalds, has the advantages of small size, easy operation, quantification, pollution reduction, scalding prevention and the like, and can greatly shorten the experimental period.

The foregoing basic embodiments of the utility model, as well as other embodiments of the utility model, can be freely combined to form numerous embodiments, all of which are contemplated and claimed. In the scheme of the utility model, each selection example can be arbitrarily combined with any other basic example and selection example.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A quantitative dispenser comprising an object stage (1), characterized in that: the utility model provides a portable stage (1) on be equipped with support (2), be equipped with on support (2) along rotatory rotation mount (3) of horizontal axis, be equipped with detachable culture medium (4) on rotation mount (3), the bottleneck department of culture medium (4) seals and is equipped with detachable lid (5), be equipped with out liquid pipeline (6) and lid air inlet line (7) on lid (5), the one end and the lid air inlet line (7) intercommunication of air supply line (8), the other end and the taking out of ration regulation syringe (13) of air supply line (8) annotate the end intercommunication, be equipped with on air supply line (8) along the taking out of ration regulation syringe (13) to lid air inlet line (7) one-way flow's air supply check valve (9), the taking out of ration regulation syringe (13) annotate the end and the one end intercommunication of taking out of gas pipeline (10), the other end of taking out gas pipeline (10) is the atmosphere end, be equipped with on taking out gas pipeline (10) and follow the one-way check valve (11) of atmosphere end to the ration regulation syringe (13), still be equipped with air filter (12) on taking gas pipeline (10).

2. The quantitative dispenser according to claim 1, wherein: the utility model is characterized in that the objective table (1) is of an inverted U-shaped structure, two ends of the lower part of the objective table (1) are supported on the operation table top, a slot is arranged on the upper part of the objective table (1), and the bracket (2) is inserted and fixed in the slot.

3. The quantitative dispenser according to claim 1 or 2, characterized in that: the rotary type rotary table is characterized in that a support (2) with a plate-shaped structure is erected on the objective table (1), a rotary groove is formed in the support (2), one side of the rotary fixing frame (3) is hinged to a notch on one side of the rotary groove, the other side of the rotary fixing frame (3) is hinged to a notch on the other side of the rotary groove, and a rotary locking assembly is arranged between the support (2) and the rotary fixing frame (3).

4. A quantitative dispenser according to claim 3, characterized in that: the rotary groove is a semicircular groove, the rotary fixing frame (3) is of a circular ring structure, and the culture medium (4) is of a cylindrical structure.

5. The quantitative dispenser according to claim 1, wherein: the rotary fixing frame (3) is connected with the culture medium (4) through a buckle structure.

6. The quantitative dispenser according to claim 1 or 5, characterized in that: the cover body (5) is provided with a sealing ring which is in sealing fit with the bottle mouth of the culture medium (4), and the cover body (5) is in threaded connection with the culture medium (4) through the bottle mouth.

7. The quantitative dispenser according to claim 1, wherein: the air suction pipeline (10) is communicated with the air suction end of the quantitative adjusting injector (13) through the air supply pipeline (8).

8. The quantitative dispenser according to claim 1, wherein: the air extraction pipeline (10) is also provided with an air filter (12) positioned at the atmospheric end.

9. The quantitative dispenser according to claim 1, wherein: the quantitative adjusting injector (13) is arranged on the fixing tool (14), the quantitative adjusting injector (13) comprises an injection cylinder and a piston, the fixing tool (14) comprises an upper fixing seat and a lower fixing seat, a sleeve rod of the upper fixing seat vertically penetrates through the lower fixing seat, a limit nut clamped at the lower end of the lower fixing seat is connected to the sleeve rod in a threaded manner, an elastic piece is arranged between the upper fixing seat and the lower fixing seat, the injection cylinder is arranged on the lower fixing seat, and the piston is arranged on the upper fixing seat.