CN219502782U

CN219502782U - Quantitative bubble-proof reagent bottle

Info

Publication number: CN219502782U
Application number: CN202320708746.2U
Authority: CN
Inventors: 苏艳艳
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-08-11
Anticipated expiration: 2033-04-03

Abstract

The utility model relates to the technical field of experimental equipment and discloses a quantitative bubble-proof reagent bottle, which comprises a bottle body, wherein a closed piston is arranged in the bottle body, a through hole for a push-pull rod to pass through is formed in the bottom of the bottle body, one end of the push-pull rod passes through the bottom of the bottle body and is connected with the bottom of the closed piston, a detachable liquid suction cover is connected to the top of the bottle body, a suction head is movably connected to the liquid suction cover, and a one-way through valve is arranged on one side of the liquid suction cover facing the inner part of the bottle body; and scale marks are arranged on the bottle body. The utility model realizes accurate sampling by driving the closed piston to move through the push-pull rod, has simple structure, is convenient and easy to put on hand, saves a plurality of steps when various reagents are required to be mixed, and is not easy to waste due to inaccurate quantity.

Description

Quantitative bubble-proof reagent bottle

Technical Field

The utility model relates to the technical field of experimental equipment, in particular to a quantitative bubble-proof reagent bottle.

Background

When the test is carried out, a plurality of reagent bottles with different functions are needed, or the reagent bottles are needed when liquid reagents are prepared and stored, the use of the reagent bottles is an important link of laboratory management, and how to accurately and stably prepare and sample is particularly important to the experimental result. The quantitative reagent bottle is applied to the laboratory at present, the situation that excessive liquid is not added and needs to be poured out is avoided when manual quantitative sampling is carried out, or the quantity of the added reagent is insufficient, the target quantity is assisted by a dropper or a quantitative device, particularly, when various liquids are required to be added simultaneously, the operation steps are obviously increased, the quantity is not easy to control, the waste of the reagent is caused, or all the reagents cannot be reused, and the operation steps are increased when the quantity is insufficient. Sometimes, the reagent needs to be prepared and then the bottle is directly used for the next sample adding or sub-packaging work, bubbles generated by shaking the reagent cannot be avoided in the process of preparing the reagent or transporting the reagent needs to be mixed reversely and uniformly or the reagent needs to be mixed uniformly by a shaker, the process cannot avoid small bubbles, and when the reagent adding operation is carried out through a pipette or a dropper, the bubbles are not easy to inhale into the gun head or the dropper, but the bubbles cannot be hung on the outer side of the gun head or the dropper, the bubbles can be brought into a sample to be added along with sample adding, the sample adding amount can be influenced, the combination reaction of the reagent and the reacted sample can be influenced due to the existence of the bubbles, a local cavitation influence area is generated, and the test result is influenced. In practice, the laboratory will puncture the bubbles by the gun head, but many small bubbles cannot be achieved by this operation and can only be sucked away, which causes inaccuracy in the amount of the reaction reagent. Aiming at the problems, a technical scheme for properly solving the problems is not available at present.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides the quantitative bubble-proof reagent bottle which is simple in structure and convenient for quantitative sampling.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

the quantitative bubble-proof reagent bottle comprises a bottle body, wherein a closed piston is arranged in the bottle body, a through hole for a push-pull rod to pass through is formed in the bottom of the bottle body, one end of the push-pull rod passes through the bottom of the bottle body and is connected with the bottom of the closed piston, a detachable liquid suction cover is connected to the top of the bottle body, a suction head is movably connected to the liquid suction cover, and a one-way through valve is arranged on one side of the liquid suction cover facing the inner part of the bottle body; and scale marks are arranged on the bottle body.

Further, a water bar is arranged on the inner wall of the bottle body close to the top.

Preferably, the water bar is semi-closed annular.

Preferably, the suction head is connected with the liquid suction cover in an interference fit manner.

Further, a filter cotton core is arranged in the suction head.

Preferably, one end of the push-pull rod is provided with threads, and the push-pull rod is in threaded connection with the airtight piston.

Further, the outer side wall of the bottle body is provided with a clamping groove along the height direction.

Further, the liquid suction cover is connected with the bottle body in a covering mode or in a threaded mode.

Further, a cap is also arranged and is detachably connected with the bottle body.

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

the utility model drives the airtight piston to realize accurate sampling through the push-pull rod, has simple structure, is convenient and easy to put on hand, saves a plurality of steps when various reagents are required to be mixed, and is not easy to waste due to inaccurate quantity.

The utility model can prevent bubbles from being brought into a sample to be added through the water bar, can enable the sample adding amount to be more accurate, and can also effectively prevent liquid from being brought to the outer side of the bottle body to cause pollution when the bottle mouth performs the operation.

The utility model improves the accuracy and stability of the experiment, optimizes the experimental steps, prevents unnecessary pollution and protects the biological safety of medical laboratory staff.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

fig. 2 is a top view of a bottle in an embodiment of the present utility model.

Reference numerals: 1-bottle body, 2-airtight piston, 3-push-pull rod, 4-liquid suction cover, 5-suction head, 6-one-way through valve, 7-draw-in groove, 8-scale mark, 9-manger plate strip, 10-filtration cotton core.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

The quantitative bubble-proof reagent bottle is shown in fig. 1 and 2, and comprises a bottle body 1, wherein a closed piston 2 is arranged in the bottle body 1, a through hole through which a push-pull rod 3 passes is formed in the bottom of the bottle body 1, one end of the push-pull rod 3 passes through the bottom of the bottle body 1 and is connected with the bottom of the closed piston 2, a detachable liquid suction cover 4 is connected to the top of the bottle body 1, a suction head 5 is movably connected to the liquid suction cover 4, and a one-way through valve 6 is arranged on one side of the liquid suction cover 4 facing the interior of the bottle body 1; the bottle body 1 is provided with scale marks 8. Further, a water bar 9 is arranged on the inner wall of the bottle body 1 near the top. Preferably, the water bar 9 is semi-closed ring-shaped, and is provided with a notch, so that residual liquid or liquid for cleaning the bottle body can be conveniently poured from the notch directly.

Preferably, the suction head 5 is connected with the liquid suction cover 4 in an interference fit manner, so that the replacement is convenient; the suction head 5 is internally provided with a filter cotton core 10, and bubbles and impurities can be filtered out when the solution is sucked.

Preferably, one end of the push-pull rod 3 is provided with threads, and the push-pull rod 3 is in threaded connection with the airtight piston 2; the outer side wall of the bottle body 1 is provided with a clamping groove 7 along the height direction, and when the bottle is not used, the push-pull rod 3 is clamped in the clamping groove 7, so that the bottle is convenient to store and manage.

Further, the liquid absorbing cover 4 is connected with the bottle body 1 in a covering mode or in a threaded mode. Preferably, a cap (not shown) is further provided, and the cap is in cover connection or threaded connection with the bottle body 1. After sampling is completed, the liquid absorbing cover 4 can be replaced by a cover cap so as to carry out subsequent operation or sample preservation.

When the reagent bottle is used for preparing a solution, the push-pull rod 3 is taken out from the side surface of the bottle body 1, the push-pull rod 3 is pushed into the bottle body 1 from the through hole at the bottom of the bottle body 1, the bottle body 1 is connected with the airtight piston 2 in the bottle body 1 through threads, the cap 10 of the bottle body 1 is opened, the disposable suction head 5 is arranged on the liquid suction cap 4, the push-pull rod 3 is pulled to drive the airtight piston 2 to a certain scale value, negative pressure is generated in the bottle body 1, and the required liquid is extracted into the bottle body by utilizing the negative pressure. The sealed piston 2 is completely matched with the inner side wall of the bottle body 1 and has friction force, and the movement distance of the sealed piston 2 is limited by utilizing the movement of the push-pull rod 3, so that quantitative sampling is realized. When a plurality of reagents are required to be added in configuration, the operation can be realized by replacing the disposable suction head 5, and at the moment, the suction head is replaced, so that the pollution of the reagents to be sampled caused by the backflow of the measured liquid due to the existence of the one-way through valve is avoided. After the solution preparation is completed, the airtight piston 2 is pulled to the bottommost part of the bottle body, the liquid suction cover 4 is replaced by a cap, and the push-pull rod 3 is taken down and placed into the clamping groove 7 on the side surface of the bottle body.

When reagent sampling operation is carried out, the front end of the gun head or other samplers is scraped at the water baffle 9, firstly, bubbles can be prevented from being brought into a sample to be added along with the samplers, secondly, the sample adding amount can be enabled to be more accurate, and further, liquid can be effectively prevented from being brought to the outer side of the bottle body when the bottle opening is subjected to the operation, so that pollution is caused. The semi-closed water bar can directly pour residual liquid or liquid for cleaning the bottle body from the notch.

Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a ration bubble prevention reagent bottle, includes bottle (1), its characterized in that: the bottle is characterized in that a closed piston (2) is arranged inside the bottle body (1), a through hole through which a push-pull rod (3) passes is formed in the bottom of the bottle body (1), one end of the push-pull rod (3) passes through the bottom of the bottle body (1) and is connected with the bottom of the closed piston (2), a detachable liquid suction cover (4) is connected to the top of the bottle body (1), a suction head (5) is movably connected to the liquid suction cover (4), and a one-way through valve (6) is arranged on one side, facing the inside of the bottle body (1), of the liquid suction cover (4); scale marks (8) are arranged on the bottle body (1).

2. The quantitative bubble-preventing reagent bottle according to claim 1, wherein: the inner wall of the bottle body (1) is provided with a water bar (9) near the top.

3. The quantitative bubble-preventing reagent bottle according to claim 2, wherein: the water bar (9) is semi-closed annular.

4. The quantitative bubble-preventing reagent bottle according to claim 1 or 2, wherein: the suction head (5) is connected with the liquid suction cover (4) in an interference fit manner.

5. The quantitative bubble-preventing reagent bottle according to claim 4, wherein: a filter cotton core (10) is arranged in the suction head (5).

6. The quantitative bubble-preventing reagent bottle according to claim 1, wherein: one end of the push-pull rod (3) is provided with threads, and the push-pull rod (3) is in threaded connection with the airtight piston (2).

7. The quantitative bubble-preventing reagent bottle according to claim 1, wherein: the outer side wall of the bottle body (1) is provided with a clamping groove (7) along the height direction.

8. The quantitative bubble-preventing reagent bottle according to claim 1, wherein: the liquid suction cover (4) is in cover connection or threaded connection with the bottle body (1).

9. The quantitative bubble-preventing reagent bottle according to claim 1, wherein: the bottle is also provided with a cap which is detachably connected with the bottle body (1).