CN211652206U

CN211652206U - High accuracy pharmacy experiment sampling device

Info

Publication number: CN211652206U
Application number: CN201922181976.4U
Authority: CN
Inventors: 罗金锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-10-09
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a high-precision sampling device for pharmaceutical experiments, which relates to the field of pharmaceutical experiments and comprises a sampling tube, wherein a liquid suction tube is arranged at the inner bottom of the sampling tube in a penetrating way, a moving mechanism is arranged on the inner side wall of the sampling tube, the upper end side wall of the moving mechanism penetrates through the inner top of the sampling tube, the inner side wall of the sampling tube is connected with a positioning mechanism in a sliding way, the upper end side wall of the positioning mechanism penetrates through the inner top of the sampling tube, the extraction process of a reagent is realized through the matched use among a piston, a first magnetic block, a first pull rod and the liquid suction tube, the normal operation of the work is ensured, the positioning of a positioning block is realized through the matched use among a second magnetic block, a connecting rod, a positioning hole, a sliding block, a limiting rod and a first spring, so that the piston can be accurately positioned in the process of drawing, the control of, the error is avoided, and the accuracy of the experiment is effectively ensured.

Description

High accuracy pharmacy experiment sampling device

Technical Field

The utility model relates to a pharmacy experiment field especially relates to a high accuracy pharmacy experiment sampling device.

Background

Pharmacy mainly researches the source, processing, properties, effects, analysis, identification, blending, production, storage and searching (including synthesis) of new drugs and the like of the drugs. The main task constantly provides more effective medicine and improves the medicine quality, guarantee to use medicine safety, make the disease can be with the injury minimum, the biggest mode treatment of benefit or cure disease, when carrying out the pharmacy experiment, at first need take a sample to reagent, traditional mode is through the sampling tube sampling, realize the sample process to reagent through artifical pulling piston, because in the sample process, can not accurate fixed, and then lead to the fact the condition of sampling error easily, for this reason we have proposed a high accuracy pharmacy experiment sampling device, solve the problem of proposing above.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-precision sampling device for pharmaceutical experiment.

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

the utility model provides a high accuracy pharmacy experiment sampling device, includes the sampling tube, the interior bottom of sampling tube runs through and is provided with the liquid suction pipe, moving mechanism is installed to the inside wall of sampling tube, moving mechanism's upper end lateral wall runs through the interior top of sampling tube, the inside wall sliding connection of sampling tube has positioning mechanism, positioning mechanism's upper end lateral wall runs through the interior top of sampling tube, moving mechanism's lateral wall offsets tightly with positioning mechanism's lateral wall, stop gear has been seted up to the upper end lateral wall of sampling tube, stop gear's tip offsets tightly with positioning mechanism's inside wall.

Preferably, the moving mechanism comprises a piston connected to the inner side wall of the sampling tube in a sliding manner, second magnetic blocks are symmetrically arranged in the piston, and the side wall of the upper end of the piston is abutted against the inner side wall of the positioning mechanism.

Preferably, the positioning mechanism comprises a positioning block connected to the inner side wall of the sampling tube in a sliding manner, an installation cavity is formed in the sampling tube, first magnetic blocks are symmetrically arranged in the installation cavity, an upper end fixed connection connecting rod of the first magnetic blocks is arranged, the upper end side wall of the connecting rod penetrates through the inner top of the sampling tube and is fixedly connected with a second pull rod, a plurality of positioning holes are formed in the inner side wall of the connecting rod, and the end part of the limiting mechanism is tightly abutted to the inner side wall of each positioning hole.

Preferably, stop gear is including setting up the spacing groove on the lateral wall of sampling tube upper end, sliding connection has the stopper in the spacing groove, through first spring coupling between stopper and the spacing groove, the lateral wall fixedly connected with gag lever post of stopper, the tip of gag lever post offsets tightly with the inside wall of locating hole.

Preferably, the side wall of the sampling tube is provided with a scale.

Preferably, the first spring is an elastic spring and is made of stainless steel.

The utility model has the advantages that: in the utility model, the matching use among the piston, the first magnetic block, the first pull rod and the liquid pumping pipe realizes the reagent pumping process and ensures the normal operation;

through the cooperation use between second magnetic path, connecting rod, locating lever, locating hole, slider, gag lever post, the first spring, realized the location to the locating piece, and then make the piston can accurate location at the in-process of twitching, realized effectively that the production of error has been avoided to the accuse of extraction volume, guaranteed the accuracy of experiment effectively.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a portion a of the present invention.

Fig. 3 is an enlarged view of part B of the present invention.

Reference numbers in the figures: the sampling device comprises a sampling tube 1, a liquid pumping tube 2, a first pull rod 3, a connecting rod 4, a positioning hole 5, a limiting rod 6, a limiting block 7, a limiting groove 8, a first spring 9, a piston 10, a positioning block 11, a first magnetic block 12, a mounting cavity 13 and a second magnetic block 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a high-precision sampling device for pharmaceutical experiments, which comprises a sampling tube 1, wherein the side wall of the sampling tube 1 is provided with scales, the inner bottom of the sampling tube 1 is provided with a liquid suction pipe 2 in a penetrating manner, the inner side wall of the sampling tube 1 is provided with a moving mechanism, the moving mechanism comprises a piston 10 connected to the inner side wall of the sampling tube 1 in a sliding manner, second magnetic blocks 14 are symmetrically arranged in the piston 10, the upper end side wall of the piston 10 is abutted against the inner side wall of a positioning mechanism, the upper end side wall of the moving mechanism penetrates through the inner top of the sampling tube 1, and the inner side wall of the;

the positioning mechanism comprises a positioning block 11 which is connected to the inner side wall of the sampling tube 1 in a sliding manner, an installation cavity 13 is formed in the installation cavity 11, first magnetic blocks 12 are symmetrically arranged in the installation cavity 13, the upper end of each first magnetic block 12 is fixedly connected with a connecting rod 4, the upper end side wall of each connecting rod 4 penetrates through the inner top of the sampling tube 1 and is fixedly connected with a second pull rod, a plurality of positioning holes 5 are formed in the inner side wall of each connecting rod 4, the end part of each limiting mechanism is abutted against the inner side wall of each positioning hole 5, the upper end side wall of each positioning mechanism penetrates through the inner top of the sampling tube 1, the side wall of each moving mechanism is abutted against the side;

stop gear is including setting up spacing groove 8 on the lateral wall of sampling tube 1 upper end, sliding connection has stopper 7 in the spacing groove 8, be connected through first spring 9 between stopper 7 and the spacing groove 8, first spring 9 is elastic spring, and it is made for stainless steel material, the lateral wall fixedly connected with gag lever post 6 of stopper 7, the tip of gag lever post 6 offsets tightly with the inside wall of locating hole 5, stop gear's tip offsets tightly with positioning mechanism's inside wall.

The working principle is as follows: when a reagent needs to be sampled, in order to avoid the generation of errors, the limiting block 7 is pulled manually to move, the limiting rod 6 is driven to move synchronously due to the fixed connection of the limiting rod 6 and the limiting block 7, meanwhile, the compression process of the first spring 9 is realized, then the amount of the extracted reagent is adjusted automatically according to actual requirements, after the adjustment is completed, the limiting block 7 is loosened, the movement of the limiting block 7 is realized due to the elastic action of the first spring 9, and further, the limiting rod 6 moves synchronously due to the fixed connection of the limiting rod 6 and the limiting block 7, so that the limiting effect on the positioning hole 5 is realized;

afterwards, the first pull rod 3 is pulled to move upwards manually, because the piston 10 is fixedly connected with the first pull rod 3, and then the connecting rod 4 is driven to move synchronously, because the connecting rod 4 generates the suction condition in the moving process, the extraction process of the reagent is realized, when the connecting rod is moved to the state of abutting against the inner side wall of the positioning block 11, because the magnetic poles of the first magnetic block 12 and the second magnetic block 14 are opposite, the suction effect on the piston 10 is realized, the condition that the piston 10 drops is avoided, through the operation, the control extraction amount can be accurately controlled, the generation of errors is effectively avoided, and the accuracy of the experiment is improved.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high accuracy pharmacy experiment sampling device, includes sampling tube (1), its characterized in that, the interior bottom of sampling tube (1) runs through and is provided with liquid suction pipe (2), moving mechanism is installed to the inside wall of sampling tube (1), moving mechanism's upper end lateral wall runs through the interior top of sampling tube (1), the inside wall sliding connection of sampling tube (1) has positioning mechanism, positioning mechanism's upper end lateral wall runs through the interior top of sampling tube (1), moving mechanism's lateral wall offsets tightly with positioning mechanism's lateral wall, stop gear has been seted up to the upper end lateral wall of sampling tube (1), stop gear's tip offsets tightly with positioning mechanism's inside wall.

2. A high accuracy pharmacy experiment sampling device according to claim 1, characterized in that, the moving mechanism includes a piston (10) slidably connected to the inner side wall of the sampling tube (1), a second magnetic block (14) is symmetrically disposed in the piston (10), and the upper end side wall of the piston (10) is abutted against the inner side wall of the positioning mechanism.

3. The high-precision sampling device for pharmaceutical experiments according to claim 1, wherein the positioning mechanism comprises a positioning block (11) slidably connected to the inner side wall of the sampling tube (1), an installation cavity (13) is formed in the positioning block (11), first magnetic blocks (12) are symmetrically arranged in the installation cavity (13), the upper end of each first magnetic block (12) is fixedly connected with the connecting rod (4), the upper end side wall of each connecting rod (4) penetrates through the inner top of the sampling tube (1) and is fixedly connected with the second pull rod, a plurality of positioning holes (5) are formed in the inner side wall of each connecting rod (4), and the end of the limiting mechanism abuts against the inner side wall of each positioning hole (5).

4. The sampling device of claim 1, wherein the limiting mechanism comprises a limiting groove (8) formed in the side wall of the upper end of the sampling tube (1), a limiting block (7) is slidably connected in the limiting groove (8), the limiting block (7) is connected with the limiting groove (8) through a first spring (9), a limiting rod (6) is fixedly connected to the side wall of the limiting block (7), and the end of the limiting rod (6) abuts against the inner side wall of the positioning hole (5).

5. A high accuracy sampling device for pharmaceutical experiments according to claim 1, wherein the side wall of the sampling tube (1) is provided with graduations.

6. A high accuracy sampling device for pharmaceutical experiments according to claim 4, wherein said first spring (9) is a spring and is made of stainless steel.