CN219923012U

CN219923012U - Quantitative reagent tube

Info

Publication number: CN219923012U
Application number: CN202321297233.3U
Authority: CN
Inventors: 王晓东; 苏慧杰; 李作雄
Original assignee: Shandong Baimao Biotechnology Co ltd
Current assignee: Shandong Baimao Biotechnology Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-10-31
Anticipated expiration: 2033-05-25

Abstract

The utility model discloses a quantitative reagent tube which comprises a tube body, wherein a sealing plug is connected at a tube body gateway in a sliding way, a tube cover is fixedly connected at the upper end of the sealing plug, a liquid suction tube is fixedly connected at the lower end of the sealing plug, a liquid suction groove is formed at the lower end of the liquid suction tube and communicated with the inside of the liquid suction tube, a piston is connected in the liquid suction tube in a sliding way, and a sliding mechanism for enabling the piston to slide is arranged in the liquid suction tube. According to the utility model, the reciprocating screw rod, the screw rod sleeve, the piston and other parts are arranged, the reciprocating screw rod is driven to rotate by the rotating handle, the screw rod sleeve drives the piston to slowly slide upwards along the thread direction of the piston, so that a sample in the tube body can be sucked into the liquid suction tube, the sample can be extracted without a rubber bag, and meanwhile, the precision in extraction can be improved by the scale marks arranged on the outer wall of the liquid suction tube.

Description

Quantitative reagent tube

Technical Field

The utility model relates to the technical field of reagent tubes, in particular to a quantitative reagent tube.

Background

In the biomedical field, liquid reagents or samples often need to be stored, handled and transferred in suitable containers, which are used in a wide range of applications and in large quantities, especially in research laboratories and hospitals.

At present, in order to conveniently extract samples from the reagent tube in the market, rubber leather bags are mostly installed at the upper end of a tube cover, and samples in the reagent tube are directly extracted in a mode of communicating a dropper at the lower end of the tube cover, so that certain defects exist: if rubber leather bag is pressed repeatedly, its external surface can produce wearing and tearing, need change it after using certain time, simultaneously when extracting the sample, through the mode of pressing the rubber leather bag, be difficult to control the dynamics, the dynamics is too big needs to extrude unnecessary sample, the dynamics is too little needs to draw the sample solution through the mode of pressing the rubber leather bag again, and the extraction process is loaded down with trivial details.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a quantitative reagent tube.

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

the utility model provides a ration reagent pipe, includes the body, body gate department sliding connection has the sealing plug, sealing plug upper end fixedly connected with tube cap, sealing plug lower extreme fixedly connected with pipette, the suction groove has been seted up to the pipette lower extreme, the suction groove communicates with each other with the pipette is inside, sliding connection has the piston in the pipette, install the sliding mechanism who makes the piston slip in the pipette.

Preferably, the sliding mechanism comprises two plastic connecting rods which are connected in the liquid suction pipe in a sliding mode, and the two plastic connecting rods are fixedly connected to the upper end face of the piston.

Preferably, the liquid suction pipe is connected with a screw rod sleeve in a sliding mode, and the two plastic connecting rods are fixedly connected to the lower end face of the screw rod sleeve.

Preferably, the pipette is rotatably connected with a reciprocating screw, and the screw sleeve is in threaded connection with a threaded section of the reciprocating screw.

Preferably, the upper end of the pipe cover is rotatably connected with a rotating handle, and the rotating handle is fixedly connected with the reciprocating screw rod.

Preferably, a limiting block is fixedly connected to one end, far away from the pipe cover, of the reciprocating screw rod, and a plurality of scale marks are engraved on the outer wall of the liquid suction pipe.

The utility model has the following beneficial effects:

1. according to the utility model, the reciprocating screw rod, the screw rod sleeve, the piston and other parts are arranged, the reciprocating screw rod is driven to rotate by the rotating handle, the screw rod sleeve drives the piston to slowly slide upwards along the thread direction of the piston, so that a sample in the tube body can be sucked into the liquid suction tube, the sample can be extracted without a rubber bag, and meanwhile, the precision in extraction can be improved by the scale marks arranged on the outer wall of the liquid suction tube.

2. According to the utility model, the sealing plug is arranged, so that the sample stored in the tube body is always in a sealing state, and the sample is prevented from being oxidized due to ventilation of the sample.

Drawings

FIG. 1 is a schematic diagram of a quantitative reagent tube according to the present utility model;

fig. 2 is an enlarged schematic view of the structure a in fig. 1.

Fig. 3 is a schematic view of the structure of the pipette in fig. 1.

In the figure: the liquid sucking device comprises a pipe body 1, a liquid sucking pipe 2, a sealing plug 3, a pipe cover 4, a rotating handle 5, a liquid sucking groove 6, a piston 7, a plastic connecting rod 8, a limiting block 9, a reciprocating screw 10, a screw sleeve 11 and scale marks 12.

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.

Referring to fig. 1-3, a quantitative reagent tube comprises a tube body 1, a sealing plug 3 is slidably connected at a joint of the tube body 1, a tube cover 4 is fixedly connected at the upper end of the sealing plug 3, a liquid suction tube 2 is fixedly connected at the lower end of the sealing plug 3, a liquid suction groove 6 is formed at the lower end of the liquid suction tube 2, the liquid suction groove 6 is communicated with the inside of the liquid suction tube 2, a piston 7 is slidably connected in the liquid suction tube 2, a sliding mechanism for enabling the piston 7 to slide is arranged in the liquid suction tube 2, and the inner wall of the liquid suction tube 2 and the outer wall of a screw sleeve 11 are square, so that the reciprocating screw 10 can slide up and down by rotating.

The sliding mechanism comprises two plastic connecting rods 8 which are in sliding connection in a liquid suction pipe 2, the two plastic connecting rods 8 are fixedly connected to the upper end face of a piston 7, a screw sleeve 11 is connected to the liquid suction pipe 2 in a sliding manner, the two plastic connecting rods 8 are fixedly connected to the lower end face of the screw sleeve 11, a reciprocating screw 10 is connected to the liquid suction pipe 2 in a rotating manner, the screw sleeve 11 is connected to a threaded section of the reciprocating screw 10 in a threaded manner, a rotating handle 5 is connected to the upper end of a pipe cover 4 in a rotating manner, the rotating handle 5 is fixedly connected with the reciprocating screw 10, one end of the reciprocating screw 10, far away from the pipe cover 4, is fixedly connected with a limiting block 9, a plurality of scale marks 12 are engraved on the outer wall of the liquid suction pipe 2, and the arranged reciprocating screw 10 and the screw sleeve 11 are made of plastic materials, namely when the screw sleeve 11 rubs with the inner wall of the liquid suction pipe 2, the connecting part of the rotating handle 5 and the reciprocating screw 10 is sleeved with a sealing pad, so that the sample oxidation is avoided.

In the utility model, when the device is used, the rotating handle 5 can be rotated, the reciprocating screw 10 is driven to rotate by the rotating handle 5, the screw sleeve 11 on the threaded section of the reciprocating screw is slowly slid upwards along with the reciprocating screw, and meanwhile, the screw sleeve 11 drives the piston 7 to slide upwards through the two plastic connecting rods 8, so that a sample in the tube body 1 can be sucked into the liquid suction tube 2 through the liquid suction groove 6, the rotating handle 5 can be rotated according to requirements by observing the scale marks 12 on the liquid suction tube 2, the upward sliding speed of the piston 7 is slow, the required sample amount can be accurately extracted without controlling force, and the sample extraction can be realized without rubber bags.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a ration reagent pipe, includes body (1), its characterized in that, body (1) gateway department sliding connection has sealing plug (3), sealing plug (3) upper end fixedly connected with tube cap (4), sealing plug (3) lower extreme fixedly connected with pipette (2), pipette (2) lower extreme has seted up suction groove (6), suction groove (6) communicate with each other with inside pipette (2), sliding connection has piston (7) in pipette (2), install the gliding slide mechanism of messenger's piston (7) in pipette (2).

2. A dosing tube according to claim 1, characterized in that the sliding mechanism comprises two plastic links (8) slidingly connected in the pipette (2), the two plastic links (8) being fixedly connected to the upper end face of the piston (7).

3. A dosing tube according to claim 2, characterized in that the pipette (2) is slidingly connected with a screw sleeve (11), and that the two plastic connecting rods (8) are fixedly connected to the lower end face of the screw sleeve (11).

4. A dosing tube according to claim 3, characterized in that the pipette (2) is rotatably connected with a reciprocating screw (10), the screw sleeve (11) being screwed onto a threaded section of the reciprocating screw (10).

5. A dosing tube according to claim 4, characterized in that the upper end of the tube cap (4) is rotatably connected with a knob (5), said knob (5) being fixedly connected with a reciprocating screw (10).

6. A dosing tube according to claim 5, characterized in that the end of the reciprocating screw (10) remote from the tube cap (4) is fixedly connected with a limiting block (9), and the outer wall of the liquid suction tube (2) is engraved with a plurality of graduation marks (12).