CN210953486U

CN210953486U - Biological reagent sample sampling device

Info

Publication number: CN210953486U
Application number: CN201921913391.0U
Authority: CN
Inventors: 王钊林
Original assignee: Shanghai Linwang Biotechnology Co ltd
Current assignee: Shanghai Linwang Biotechnology Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-07-07
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses a biological reagent sample sampling device, which comprises a sampler body, a needle changing component, a sampling needle, a bottom column, an extension column, a handle, a sliding chute, a sliding block, a threaded hole, a through hole and a fixing bolt, wherein the sampling needle is sleeved at a sampling port at the bottom of the sampler body, the needle changing component is arranged at one side of the sampler body, the bottom column is fixedly arranged at the top end of the sampler body, the extension column is sleeved and embedded in the top end of the bottom column, the sliding chute is correspondingly arranged at two sides inside the bottom column, the sliding block is fixedly arranged at two sides of the extension column, and the sliding block is matched with the sliding chute, the utility model has the advantages of scientific and reasonable structure, safe and convenient use, the sampling needle is fixed at the sampling port of the sampler body, the sampling is carried out through the sampling needle, when the sampling bottle is deep, the extension column is moved, simultaneously, the position of the extending column is fixed through the matching of the fixing bolt and the threaded hole.

Description

Biological reagent sample sampling device

Technical Field

The utility model particularly relates to a biological reagent sample sampling device belongs to sampling equipment technical field.

Background

When a biological reagent sample is sampled, the reagent sample needs to be sampled by a sampling device, so that the biological reagent sample can be effectively analyzed.

But biological reagent sample sampling device on the existing market is not only complicated in structure, and the function is single moreover, and among the current reagent sample sampling device technique, because some reagent bottles are darker, sampling device takes a sample in being not convenient for get into the reagent bottle, and simultaneously, reagent sample sampling device takes a sample the back, and sample needle used repeatedly causes sample cross contamination easily.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art exists not enough, provides a biological reagent sample sampling device, and structure scientific and reasonable, convenience safe in utilization prevents that the sampling needle from causing sample reagent cross infection at the sampling in-process.

In order to solve the technical problem, the utility model discloses a technical scheme be:

the utility model provides a biological reagent sample sampling device, includes sampler body, trades needle subassembly, sample needle, foundation, extends post, handle, spout, slider, screw hole, through-hole and fixing bolt, sampler body bottom sample connection has cup jointed the sample needle, sampler body one side is provided with trades needle subassembly, sampler body top fixed mounting has the foundation, the inside cover in foundation top inlays and installs and extends the post, the inside both sides of foundation all correspond and have seted up the spout, extend the equal fixed mounting in post both sides has the slider, and slider and spout cooperation, the foundation both sides are located the spout outside and have all seted up the through-hole, two the inside fixing bolt that all is provided with of through-hole, and fixing bolt closes with the screw hole spiral shell, extend post top fixed mounting has the handle.

As a further aspect of the present invention: the needle changing assembly comprises a fixed plate, a mounting hole, a moving rod, a button, a reset spring, a limiting block, a movable plate and a round hole, wherein the fixed plate is fixedly mounted on one side of the sampler body, the mounting hole is formed in the top end of the fixed plate, the moving rod is arranged in the mounting hole, the movable plate is fixedly mounted at the bottom of the moving rod, the round hole is formed in the top end of the movable plate and is sleeved outside a sampling port in the bottom of the sampler body, the button is fixedly mounted at the top end of the moving rod, the limiting block is fixedly sleeved on the outer side of the moving rod below the fixed plate, the reset spring is sleeved on the outer side of the moving rod, one end of the reset spring abuts.

As a further aspect of the present invention: the outer side of the handle is sleeved with a rubber sleeve, and the outer side of the rubber sleeve is provided with anti-skid lines.

As a further aspect of the present invention: the sliding groove is in clearance fit with the sliding block, and the threaded hole corresponds to the through hole.

As a further aspect of the present invention: and the bottom column is fixedly connected with the sampler body through screws.

As a further aspect of the present invention: the round hole size is greater than sampler body bottom sample connection size, and the round hole size is less than sample needle top size.

Compared with the prior art, the utility model beneficial effect who has is: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization, fix the sample thief mouth department at the sampler body with the sample thief, take a sample through the sample thief, when the sample thief is darker, extend the post through adjusting and make the extension post remove along the sill pillar direction, extension sampler body length, fix the extension post position through fixing bolt and screw hole cooperation simultaneously, the sampler body is after having got a reagent sample, make the carriage release lever remove through pressing down the button, reset spring compresses this moment, the carriage release lever is ejecting the sample thief that carries out the renewal with the sample thief when the carriage release lever drives the movable plate removal, prevent that the thief from causing sample reagent cross infection at the sampling in-process.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a side view of the overall structure of the present invention.

Fig. 3 is a schematic view of the round hole mounting structure of the present invention.

Fig. 4 is a cross-sectional view of the inside of the bottom pillar of the present invention.

In the figure: 1 is a sampler body; 2, a needle changing component; 21 is a fixed plate; 22 is a mounting hole; 23 is a moving rod; 24 is a button; 25 is a return spring; 26 is a limiting block; 27 is a moving plate; 28 is a round hole; 3 is a sampling needle; 4 is a bottom column; 5 is an extension column; 6 is a handle; 7 is a chute; 8 is a slide block; 9 is a threaded hole; 10 is a through hole; and 11, a fixing bolt.

Detailed Description

As shown in figures 1-4, a biological reagent sample sampling device comprises a sampler body 1, a needle changing component 2, a sampling needle 3, a bottom column 4, an extension column 5, a handle 6, a sliding groove 7, a sliding block 8, a threaded hole 9, a through hole 10 and a fixing bolt 11, wherein a sampling port at the bottom of the sampler body 1 is sleeved with the sampling needle 3, one side of the sampler body 1 is provided with the needle changing component 2, the top end of the sampler body 1 is fixedly provided with the bottom column 4, the extension column 5 is sleeved and embedded in the top end of the bottom column 4, two sides inside the bottom column 4 are correspondingly provided with the sliding groove 7, two sides of the extension column 5 are fixedly provided with the sliding block 8, the slide block 8 is matched with the sliding chute 7, through holes 10 are respectively arranged at the two sides of the bottom column 4 at the outer side of the sliding chute 7, fixing bolts 11 are respectively arranged in the two through holes 10, the fixing bolt 11 is screwed with the threaded hole 9, and the top end of the extension column 5 is fixedly provided with a handle 6;

wherein, the needle changing component 2 comprises a fixed plate 21, a mounting hole 22, a moving rod 23, a button 24, a reset spring 25, a limiting block 26, a moving plate 27 and a round hole 28, the fixed plate 21 is fixedly mounted on one side of the sampler body 1, the mounting hole 22 is formed at the top end of the fixed plate 21, the moving rod 23 is arranged in the mounting hole 22, the moving plate 27 is fixedly mounted at the bottom of the moving rod 23, the round hole 28 is formed at the top end of the moving plate 27, the round hole 28 is sleeved outside a sampling opening at the bottom of the sampler body 1, the button 24 is fixedly mounted at the top end of the moving rod 23, the limiting block 26 is fixedly sleeved outside the moving rod 23 below the fixed plate 21, the reset spring 25 is sleeved outside the moving rod 23, one end of the reset spring 25 abuts against the button 24, the other end of the reset spring 25 abuts against the fixed plate 21, a rubber sleeve is, be convenient for the staff operation, be clearance fit between spout 7 and the slider 8, and screw hole 9 corresponds with through-hole 10 position, better make cooperate between spout 7 and the slider 8, through screw fixed connection between foundation 4 and the sampler body 1, better make carry out fixed connection between foundation 4 and the sampler body 1, round hole 28 size is greater than sampler body 1 bottom sample connection size, and round hole 28 size is less than 3 top sizes of sampling needle, the better needle 3 that will take out of taking a sample of being convenient for.

The utility model discloses a theory of operation: fix sampling needle 3 in the sample connection department of sampler body 1, take a sample through sampling needle 3, when the sampling bottle is darker, extend the post 5 through adjusting and make and extend the post 5 and remove along 4 directions of sill pillar, extension sampler body 1 length, it is fixed to extending the post 5 position through fixing bolt 11 and the cooperation of screw hole 9 simultaneously, sampler body 1 is after having got a reagent sample, make carriage release lever 23 remove through pressing button 24, reset spring 25 compresses this moment, carriage release lever 27 carries out the more sampling needle 3 that renews with sampling needle 3 ejecting when carriage release lever 23 drives carriage release lever 27 and removes, prevent that sampling needle 3 from causing sample reagent cross infection at the sampling in-process.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A biological reagent sample sampling device is characterized by comprising a sampler body (1), a needle changing component (2), a sampling needle (3), a bottom column (4), an extension column (5), a handle (6), a sliding groove (7), a sliding block (8), a threaded hole (9), a through hole (10) and a fixing bolt (11), wherein the sampling needle (3) is sleeved at a sampling port at the bottom of the sampler body (1), the needle changing component (2) is arranged at one side of the sampler body (1), the bottom column (4) is fixedly arranged at the top end of the sampler body (1), the extension column (5) is sleeved and embedded at the inner part of the top end of the bottom column (4), the sliding groove (7) is correspondingly arranged at two inner sides of the bottom column (4), the sliding block (8) is fixedly arranged at two sides of the extension column (5), the sliding block (8) is matched with the sliding groove (7), the through hole (10) is arranged at two sides of the bottom column (4) and, two fixing bolts (11) are arranged in the through holes (10), the fixing bolts (11) are screwed with the threaded holes (9), and a handle (6) is fixedly installed at the top end of the extension column (5).

2. The biological reagent sample sampling device according to claim 1, wherein the needle changing assembly (2) comprises a fixed plate (21), a mounting hole (22), a moving rod (23), a button (24), a return spring (25), a limiting block (26), a moving plate (27) and a circular hole (28), the fixed plate (21) is fixedly mounted on one side of the sampler body (1), the mounting hole (22) is formed in the top end of the fixed plate (21), the moving rod (23) is arranged inside the mounting hole (22), the moving plate (27) is fixedly mounted at the bottom of the moving rod (23), the circular hole (28) is formed in the top end of the moving plate (27), the circular hole (28) is sleeved outside a sampling opening in the bottom of the sampler body (1), the button (24) is fixedly mounted at the top end of the moving rod (23), the limiting block (26) is fixedly sleeved outside the moving rod (23) below the fixed plate (21), and a return spring (25) is sleeved on the outer side of the moving rod (23), one end of the return spring (25) abuts against the button (24), and the other end of the return spring (25) abuts against the fixing plate (21).

3. The biological reagent sample sampling device of claim 1, wherein a rubber sleeve is sleeved on the outer side of the handle (6), and anti-skid lines are arranged on the outer side of the rubber sleeve.

4. The biological reagent sample sampling device according to claim 1, wherein the sliding groove (7) and the sliding block (8) are in clearance fit, and the threaded hole (9) corresponds to the through hole (10).

5. Biological reagent sample sampling device according to claim 1, characterized in that the bottom pillar (4) is fixedly connected with the sampler body (1) by screws.

6. A biological reagent sample sampling device according to claim 2, characterized in that the size of the circular hole (28) is larger than the size of the sampling opening at the bottom of the sampler body (1), and the size of the circular hole (28) is smaller than the size of the top end of the sampling needle (3).