CN218297680U

CN218297680U - Sampling device with stirring function

Info

Publication number: CN218297680U
Application number: CN202221188496.6U
Authority: CN
Inventors: 高喜凤; 刘艳明; 张寒霜; 韩晓晓; 陈晓媛
Original assignee: Shandong Institute for Food and Drug Control
Current assignee: Shandong Institute for Food and Drug Control
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2023-01-13
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a from sampling device of taking stirring function, the sampling tube including the uncovered setting of downside, the sealed churn that rotates of sampling tube downside is provided with rather than the inner chamber intercommunication, the mounting hole has evenly been seted up in the churn outside, the position that the churn side is close to mounting hole inner chamber upper portion rotates and is provided with the puddler that is located the mounting hole, the screw hole female connection that the sampling tube upside was seted up has the screw rod, the screw rod lower extreme is connected with the locating plate that slides the setting just is located the puddler below in the mounting hole. This from sampling device of taking stirring function can directly stir liquid in the sample process, and the concentration of guaranteeing various materials in the sample liquid is close with actual concentration, improves its accuracy that detects data, has avoided earlier stirring again the lower problem of sampling efficiency that the sample leads to among the prior art simultaneously, and stirring device and sampling device be the integration setting, and the daily carrying of being convenient for and deposit.

Description

Sampling device with stirring function

Technical Field

The utility model relates to a sampling device technical field specifically is a from sampling device who takes stirring function.

Background

In order to ensure food safety, food detection departments generally need to detect food regularly, common foods comprise fruits, vegetables, pastry, beverages and the like, and the common foods are usually prepared into liquid such as aqueous solution and the like when non-liquid detection is carried out on the fruits, the vegetables, the pastry and the like, so that pesticide components in the fruits, the vegetables or nutrient substances in the pastry and the beverages can be conveniently detected.

Need make the interior material distribution of liquid even to its stirring before detecting to liquid to guarantee the accuracy of data detected or ensure the accuracy of experimental data, and common agitating unit is mostly puddler (glass stick), and the puddler can only play the stirring effect, and still need take a sample the liquid of preparation in the testing process, and common liquid sampling device is mostly the syringe.

The traditional sampling method is as follows: earlier through the stirring rod to the liquid stirring, later need pass through syringe extraction liquid at once, this in-process easily leads to measurement personnel in a rush and a mess, and the stirring in-process can not directly sample and lead to its sampling efficiency lower, if the extraction behind the liquid stirring is untimely, macromolecular material in the liquid can take place to subside, leads to the testing result error to appear or even mistake, consequently, it is very necessary to set up a sampling device from taking stirring function.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome current defect, a sampling device from area stirring function is provided, can directly stir liquid in the sampling process, the concentration of various materials is close with actual concentration in guaranteeing the sample liquid, improve its detected data's accuracy, the lower problem of sampling efficiency who leads to has stirred earlier again to have avoided among the prior art simultaneously, and agitating unit and sampling device be the integration setting, portable and deposit, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a from sampling device of taking stirring function, includes the uncovered sampling tube that sets up of downside, the sealed churn that rotates of sampling tube downside is provided with rather than the inner chamber intercommunication, the mounting hole has evenly been seted up in the churn outside, the churn side is close to the position rotation on mounting hole inner chamber upper portion and is provided with the puddler that is located the mounting hole.

The utility model discloses a sampling tube, including sampling tube, threaded hole, screw rod, sealing plug, sampling tube upside, threaded hole female connection who offers has the screw rod, the screw rod lower extreme is connected with the locating plate that slides and sets up in the mounting hole and be located the puddler below, the screw rod outside is fixed with the sealing plug with the contact of sampling tube inner wall, the sealing plug side is fixed with the feed liquor pipe rather than the inner chamber intercommunication, the sampling tube outside is provided with the fluid-discharge tube rather than the inner chamber intercommunication.

As a preferred technical scheme of the utility model, install one-way feed liquor valve on the feed liquor pipe, feed liquor pipe lower extreme extends to churn inner chamber lower part, install one-way flowing back valve on the fluid-discharge tube.

As a preferred technical scheme of the utility model, it is provided with the locating rack to slide in the churn, the locating plate is fixed at the locating rack downside, the screw rod lower extreme is fixed with the connecting rod with locating rack sliding connection, the connecting rod lower extreme is fixed with the limiting plate of joint in the locating rack.

As a preferred technical scheme of the utility model, the part cover that is located between locating rack and the limiting plate in the connecting rod outside is equipped with the spring, the locating rack outside is provided with the seal membrane.

As a preferred technical scheme of the utility model, one side that the locating plate is close to the puddler is provided with first inclined plane up, the puddler lower extreme is provided with the second inclined plane parallel with first inclined plane, install first magnet on the first inclined plane, install the second magnet with first magnet mutual adsorption on the second inclined plane.

As a preferred technical scheme of the utility model, the sampling tube is provided with the annular slab with the junction of churn, the annular slab both sides all are fixed with the annular locating plate, the first ring channel with the annular locating plate adaptation is seted up to sampling tube outside lower part, the second ring channel with the annular locating plate adaptation is seted up on churn outside upper portion, the annular slab inboard is fixed with the sealed pad that is located between sampling tube and the churn.

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

1. the utility model discloses the sampling device from area stirring function of example can directly stir liquid in the sampling process, guarantees that the concentration of various materials is close with actual concentration in the sample liquid, improves its detected data's accuracy, has avoided stirring earlier among the prior art to take a sample the lower problem of efficiency of taking a sample again and leading to simultaneously, and agitating unit and sampling device be the integration setting, and convenient to carry and deposit daily.

2. The utility model discloses the sampling device from taking stirring function of example arranges this sampling device in holding the container of waiting to take a sample liquid, later rotates the screw rod and drives the sealing plug and move up in the sampler barrel, and the screw rod passes through the locating plate simultaneously and drives the churn rotation, and drives the locating plate and release the puddler in the mounting hole during the screw rod rotates, and the puddler follows the churn rotation and stirs liquid.

3. The utility model discloses the sampling device from area stirring function of example, the antiport screw rod, the screw rod drives the sealing plug and moves down, the sealing plug moves down the in-process and extracts liquid through the feed liquor pipe, and the locating plate moves down the puddler in the mounting hole and loses the restraint and reset gradually and remove to the mounting hole in being convenient for take out this sampling device from the container that holds liquid, later rotate screw rod control sealing plug and shift up the liquid in with the sampling cylinder in the sampling cylinder and pass through the fluid-discharge tube and discharge, when needing the repeated sampling, place this sampling device in the container that holds liquid repeat above-mentioned step can.

4. The utility model discloses a from sampling device who takes stirring function, the spring plays the positioning action, make the screw rod pass through the connecting rod and drive the locating rack and remove in the churn, the locating plate of locating rack side slides in the mounting hole and releases the puddler from the mounting hole, the puddler is followed the churn and is rotated and is effectively stirred liquid, the locating plate slides to the mounting hole top after, the screw rod passes through the limiting plate extrusion spring of connecting rod tip, make the sealing plug follow the screw rod and continue to shift up, the increase screw rod drives the gliding distance of sealing plug.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic cross-sectional view of the structure of FIG. 1;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the stirring rod of FIG. 1 after rotation;

FIG. 5 is a schematic cross-sectional view of the structure of FIG. 4;

fig. 6 is an enlarged schematic view of the structure at a in fig. 5.

In the figure: the device comprises a sampling cylinder 1, a mixing cylinder 2, an annular plate 3, a screw rod 4, a connecting rod 5, a limiting plate 51, a spring 52, a positioning frame 6, a sealing film 61, a positioning plate 7, a first magnet 71, a mixing rod 8, a second magnet 81, a sealing plug 9, a liquid inlet pipe 10, a one-way liquid inlet valve 11, a liquid outlet pipe 12 and a one-way liquid outlet valve 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a from sampling device of taking stirring function, sampling tube 1 including the uncovered setting of downside, 1 sealed rotation of downside of sampling tube is provided with the churn 2 rather than the inner chamber intercommunication, the upper and lower of churn 2 is uncovered setting, and the diameter of sampling tube 1 is the same with 2 diameters of churn, the mounting hole has evenly been seted up to 2 all sides of churn, 3-5 have been seted up to the mounting hole, 2 sides of churn are close to the position rotation on mounting hole inner chamber upper portion and are provided with puddler 8 that is located the mounting hole, puddler 8 rotates through the pivot and installs in the mounting hole.

Threaded hole female connection that 1 upside of sampler barrel was seted up has screw rod 4, screw rod 4 is sealing connection with

sampler barrel

1, 4 lower extremes of screw rod are connected with to slide to set up in the mounting hole and be located locating plate 7 of puddler 8 below, the screw rod 4 outside is fixed with the sealing plug 9 with 1 inner wall contact of sampler barrel, it samples to drive sealing plug 9 through screw rod 4 and slide about in sampler barrel 1 and extract liquid, sealing plug 9 side is fixed with the feed liquor pipe 10 rather than 1 inner chamber intercommunication of sampler barrel, the 1 outside of sampler barrel is provided with fluid-discharge tube 12 rather than the inner chamber intercommunication.

Place this sampling device in the container that holds the liquid of waiting to take a sample, later rotate screw rod 4 and drive sealing plug 9 and shift up in sampling tube 1, screw rod 4 drives churn 2 through locating plate 7 and rotates simultaneously, and screw rod 4 drives locating plate 7 when rotating and slides in the mounting hole and release puddler 8 from the mounting hole, and puddler 8 follows churn 2 and rotates and stir liquid.

Install one-way feed liquor valve 11 on feed liquor pipe 10, one-way feed liquor valve 11 avoids the liquid in the sampling tube 1 to pass through feed liquor pipe 10 and discharges, and 2 inner chamber lower parts of churn are extended to feed liquor pipe 10 lower extreme, are convenient for take a sample to the liquid after the stirring, install one-way flowing-back valve 13 on the fluid-discharge tube 12, and one-way flowing-back valve 13 guarantees that feed liquor pipe 10 effectively samples liquid.

Reverse rotation screw rod 4, screw rod 4 drives sealing plug 9 and moves down, sealing plug 9 moves down in-process sampling cylinder 1 and extracts through feed liquor pipe 10 to liquid, and locating plate 7 moves down puddler 8 in the mounting hole and loses the restraint and resets gradually and remove to the mounting hole in being convenient for take out this sampling device from the container that holds liquid, later rotate screw rod 4 control sealing plug 9 and shift up the liquid in with sampling cylinder 1 in sampling cylinder 1 and pass through fluid-discharge tube 12 and discharge, when needing the repeated sampling, place this sampling device in the container that holds liquid above-mentioned step of repetition can.

Slide in the churn 2 and be provided with locating rack 6, locating plate 7 is fixed at 6 downside of locating rack, 4 lower extremes of screw rod be fixed with 6 sliding connection's of locating rack connecting rod 5, the 5 lower extremes of connecting rod are fixed with the limiting plate 51 of joint in locating rack 6, the part cover that the connecting rod 5 outside is located between locating rack 6 and the limiting plate 51 is equipped with spring 52, the 6 outside of locating rack is provided with seal membrane 61, seal membrane 61 protects spring 52.

Limiting plate 51 that screw rod 4 passes through 5 tip of connecting rod drives locating rack 6 and rotates, locating rack 6 drives the churn 2 through locating plate 7 and rotates, spring 52 plays the positioning action, make screw rod 4 drive locating rack 6 through connecting rod 5 and remove in churn 2, locating plate 7 of locating rack 6 side slides in the mounting hole and releases puddler 8 from the mounting hole, puddler 8 follows churn 2 and rotates and effectively stir liquid, locating plate 7 slides behind the mounting hole top, screw rod 4 passes through limiting plate 51 extrusion spring 52 of 5 tip of connecting rod, make sealing plug 9 follow screw rod 4 and continue to shift up, increase screw rod 4 drives the gliding distance of 9.

One side of the positioning plate 7 close to the stirring rod 8 is provided with an upward first inclined surface, the lower end of the stirring rod 8 is provided with a second inclined surface parallel to the first inclined surface, the positioning plate 7 can push the stirring rod 8 out of the mounting hole due to the arrangement of the first inclined surface and the second inclined surface, the first inclined surface is provided with a first magnet 71, the second inclined surface is provided with a second magnet 81 mutually adsorbed with the first magnet 71, and the arrangement of the first magnet 71 and the second magnet 81 can facilitate the positioning of the stirring rod 8.

The junction of sampling tube 1 and churn 2 is provided with annular slab 3, sampling tube 1 is connected through annular slab 3 rotation with churn 2, annular slab 3 both sides all are fixed with annular locating plate, the first ring channel with annular locating plate adaptation is seted up to 1 outside lower part of sampling tube, the second ring channel with annular locating plate adaptation is seted up on 2 outside upper portions of churn, first ring channel, the installation of annular slab 3 is convenient for to the second ring channel, the sealed pad that is located between sampling tube 1 and the churn 2 is fixed with to 3 inboard of annular slab, sealed pad improves the sealed effect of annular slab 3.

When in use:

the sampling device is placed in a container for containing liquid to be sampled, then the screw rod 4 is rotated to drive the sealing plug 9 to move upwards in the sampling cylinder 1, meanwhile, the screw rod 4 drives the stirring cylinder 2 to rotate through the positioning plate 7, the positioning plate 7 is driven to slide in the mounting hole and push the stirring rod 8 out of the mounting hole when the screw rod 4 rotates, and the stirring rod 8 rotates along with the stirring cylinder 2 to stir the liquid;

the screw rod 4 drives the positioning frame 6 to rotate through the limiting plate 51 at the end part of the connecting rod 5, the positioning frame 6 drives the mixing drum 2 to rotate through the positioning plate 7, the spring 52 plays a positioning role, the screw rod 4 drives the positioning frame 6 to move in the mixing drum 2 through the connecting rod 5, the positioning plate 7 on the side surface of the positioning frame 6 slides in the mounting hole and pushes out the stirring rod 8 from the mounting hole, the stirring rod 8 rotates along with the mixing drum 2 to effectively stir liquid, after the positioning plate 7 slides to the top of the mounting hole, the screw rod 4 extrudes the spring 52 through the limiting plate 51 at the end part of the connecting rod 5, the sealing plug 9 continues to move upwards along with the screw rod 4, and the sliding distance of the screw rod 4 driving the sealing plug 9 to slide is increased;

later the reverse rotation screw rod 4, screw rod 4 drives sealing plug 9 and moves down, sealing plug 9 moves down the in-process and extracts liquid through feed liquor pipe 10, and locating plate 7 moves down puddler 8 in the mounting hole and loses the restraint and reset gradually and remove to the mounting hole in being convenient for take out this sampling device from the container that holds liquid, later rotate screw rod 4 control sealing plug 9 and shift up in sampling tube 1 and pass through fluid-discharge tube 12 with the liquid in the sampling tube 1 and discharge, when needing the oversampling, place this sampling device in the container that holds liquid above-mentioned step of repetition can.

This sampling device from area stirring function can directly stir liquid in the sampling process, guarantees that the concentration of various materials is close with actual concentration in the sample liquid, improves its detected data's accuracy, has avoided stirring earlier among the prior art again the lower problem of sampling efficiency that the sample leads to simultaneously, and stirring device and sampling device be the integration setting, portable and deposit daily.

The non-disclosed part of the utility model is the prior art, and the specific structure, material and working principle are not detailed. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a from sampling device who takes stirring function, includes sampling cylinder (1) of the uncovered setting of downside, its characterized in that: a mixing drum (2) communicated with the inner cavity of the sampling drum (1) is hermetically and rotatably arranged at the lower side of the sampling drum, mounting holes are uniformly formed in the outer side of the mixing drum (2), and a mixing rod (8) positioned in the mounting holes is rotatably arranged at a position, close to the upper part of the inner cavity of the mounting holes, on the side surface of the mixing drum (2);

threaded hole female connection that sampler barrel (1) upside was seted up has screw rod (4), screw rod (4) lower extreme is connected with and slides and set up locating plate (7) in the mounting hole and be located puddler (8) below, screw rod (4) outside is fixed with sealing plug (9) with sampler barrel (1) inner wall contact, sealing plug (9) side is fixed with feed liquor pipe (10) rather than inner chamber intercommunication, sampler barrel (1) outside is provided with fluid-discharge tube (12) rather than inner chamber intercommunication.

2. The sampling device with stirring function of claim 1, wherein: the liquid inlet pipe (10) is provided with a one-way liquid inlet valve (11), the lower end of the liquid inlet pipe (10) extends to the lower part of the inner cavity of the stirring drum (2), and the liquid discharge pipe (12) is provided with a one-way liquid discharge valve (13).

3. The sampling device with stirring function as set forth in claim 1, wherein: slide in churn (2) and be provided with locating rack (6), locating plate (7) are fixed at locating rack (6) downside, screw rod (4) lower extreme be fixed with locating rack (6) sliding connection's connecting rod (5), connecting rod (5) lower extreme is fixed with limiting plate (51) of joint in locating rack (6).

4. The sampling device with stirring function of claim 3, wherein: the part cover that connecting rod (5) outside is located between locating rack (6) and limiting plate (51) is equipped with spring (52), the locating rack (6) outside is provided with seal membrane (61).

5. The sampling device with stirring function of claim 1, wherein: one side that locating plate (7) is close to puddler (8) is provided with first inclined plane up, puddler (8) lower extreme is provided with the second inclined plane parallel with first inclined plane, install first magnet (71) on the first inclined plane, install second magnet (81) with first magnet (71) mutual adsorption on the second inclined plane.

6. The sampling device with stirring function of claim 1, wherein: the utility model discloses a stirrer, including a sampling tube (1), a churn (2), annular plate (3) both sides all are fixed with annular locating plate, the first ring channel with annular locating plate adaptation is seted up to sampling tube (1) outside lower part, the second ring channel with annular locating plate adaptation is seted up on churn (2) outside upper portion, annular plate (3) inboard is fixed with the sealed pad that is located between sampling tube (1) and churn (2).