CN218994904U - Food sample pretreatment extraction element - Google Patents

Abstract

The utility model relates to the technical field of food extraction, and discloses a food sample pretreatment extraction device which comprises a box body, a fixed plate, a sliding plate, a plurality of rotating blocks, a plurality of baffle bottom cases and an electric heating coil pipe, wherein the upper part of the box body is provided with an opening, the middle parts of two sides of the box body are respectively provided with a through chute along the horizontal direction, the fixed plate is horizontally fixedly connected with the opening of the box body, the sliding plate is arranged in the through chute, the sliding plate is in sliding fit with the box body, the fixed plate and the sliding plate are respectively provided with a plurality of hollowed-out holes along the vertical direction, the rotating blocks are respectively arranged in the hollowed-out holes, each rotating block is respectively provided with a pipe leakage round hole along the vertical direction, the baffle bottom cases are respectively fixedly connected with the bottoms of the rotating blocks in the sliding plate, and the electric heating coil pipe is fixedly connected with the bottoms of the box body. The utility model can facilitate the simultaneous thermal digestion and oscillation of a plurality of test tubes added with the extractant and the food sample by the inspector, thereby further promoting the efficiency of mixing and separating the solution.

Description

Food sample pretreatment extraction element

Technical Field

The utility model relates to the technical field of food extraction, in particular to a food sample pretreatment extraction device.

Background

At present, the chemical composition of food is very counterstain, which contains both protein, sugar, fat, vitamin and macromolecular organic compounds such as organic pesticides introduced by pollution and various inorganic elements such as potassium, sodium, calcium, iron and the like, the components often exist in complex form in a complex combination state through various acting forces, when the content of certain component is measured by a certain method, the existence of other components often causes interference to the measurement, in order to ensure the smooth progress of analysis work and obtain accurate analysis results, the same acting force of each component in a sample must be destroyed before the measurement, the measured components are raised, the interference components are eliminated, and in addition, some measured micro components such as pollutants, pesticides, huang Quling toxins and the like are detected in a very small amount, and in order to accurately measure the content of the components, the sample must be separated and extracted before the measurement.

Extraction is to break the binding force between the component to be measured and the component of the sample by physical or chemical means, release the component to be measured from the sample and transfer it to a solution state (or other suitable form) that is easy to analyze. Different sample extraction methods are selected according to the nature of the target analyte, the sample type, and the experimental conditions. The extraction effect needs to be evaluated by examining the extraction efficiency, such as by adopting the methods of verification of a proven standard substance, standard addition and recovery test and the like.

The extractant is another solvent for extracting solutes in one solution and is used for extracting the solutes in different solutions, the selection of the extractant depends on the polarity of target analytes and the type of sample matrix to a great extent by utilizing the principle that the different solubilities of the solutes in two solutions are relatively large, and in food extraction, the extractant is added to assist in extraction and extraction analysis of the reacted substances.

When adding the extractant in the test tube that is equipped with sample food, can adopt the form of manual hand test tube to make two kinds of substances mix for convenience and economic nature mostly, but can carry out extraction analysis simultaneously to multiple food in reality, can greatly reduced solution mixing, the efficiency of separation when the mode of oscillating one by one.

Disclosure of Invention

The utility model provides a food sample pretreatment extraction device which can facilitate a detector to simultaneously perform thermal digestion and oscillation on a plurality of test tubes added with an extractant and a food sample, and further promote the efficiency of mixing and separating solutions.

The utility model provides a food sample pretreatment extraction device, which comprises a box body, a fixed plate, a sliding plate, a plurality of rotating blocks, a plurality of baffle tube bottom shells and an electric heating coil, wherein the upper part of the box body is opened, and the middle parts of the two sides of the box body are respectively provided with a through chute along the horizontal direction; the fixed plate is horizontally and fixedly connected to the opening of the box body; the sliding plate is arranged in the through sliding groove and is in sliding fit with the box body, and a plurality of hollowed holes are formed in the fixed plate and the sliding plate along the vertical direction; the plurality of rotating blocks are respectively arranged in the hollowed holes, the outer walls of two opposite sides of each rotating block arranged in the fixed plate are hinged with the fixed plate through shaft pins, each rotating block arranged in the sliding plate is also hinged with the sliding plate through shaft pins, the extending direction of each shaft pin is mutually perpendicular to the sliding direction of the sliding plate, and each rotating block is provided with a drain pipe round hole along the vertical direction; the plurality of baffle tube bottom shells are respectively fixedly connected to the bottoms of the rotating blocks in the sliding plate, and the inside of the baffle tube bottom shells is hollowed out and the bottoms of the baffle tube bottom shells are opened; the electric heating coil is fixedly connected to the bottom of the box body.

Preferably, the aperture of the drain pipe round hole is matched with the diameter of the extraction test tube, and the opening at the bottom of the baffle pipe bottom shell is smaller than the lower part of the extraction test tube.

Preferably, the hollowed-out hole is a rectangular groove, and the groove length and the groove width of the rectangular groove are both larger than the size of the rotating block.

Preferably, the upper surface of an outer end of the sliding plate is fixedly connected with a limit baffle, one side of the limit baffle, which is close to the box body, is provided with a horizontal reset spring, a first end of the reset spring is fixedly connected with the limit baffle, and a second end of the reset spring is fixedly connected with the outer wall of the box body.

Preferably, one end of the sliding plate, which is arranged outside the box body, is fixedly connected with a handle.

Preferably, the outer end of the sliding plate is fixedly connected with a plurality of vibration motors.

Preferably, a horizontal separation net is fixedly connected to the upper position of the electric heating coil in the box body.

Preferably, an observation window is arranged in the middle of one side of the box body.

Preferably, an overhaul window is arranged at the position of the box body, which is positioned on the electric heating coil.

Compared with the prior art, the utility model has the beneficial effects that: the horizontal slip of sliding plate can be realized to the run-through spout that sets up, the fretwork hole and the rotating block of setting can realize the rotating block through respective take place to rotate on the fretwork hole that corresponds, the building pipe round hole of setting can realize that the test tube passes the effect of rotating block, the fender pipe drain pan of setting can play the effect of resisting and spacing to the test tube, avoid the test tube to drop down from the rotating block of bottom, through the electrothermal coil of setting, can play the effect of high temperature heating to the test tube, can heat digestion to the mixed extraction material in the test tube, promote the reaction, keep off pipe bottom shell bottom opening simultaneously, can be convenient for electrothermal coil, place the test tube in wherein a pair of corresponding rotating block, promote the sliding plate, make the sliding plate slide forward along running through the spout of box, at this moment because the sliding plate moves, therefore, the test tube can rotate around the axis of the pivot that corresponds on the fixed plate and take place reverse rotation, when going to push-pull sliding plate, thereby can carry out unified vibration to a plurality of test tubes, thereby finally can realize high digestion and high vibration and high efficiency and high temperature mixed extraction material and mixed food sample.

Drawings

Fig. 1 is a schematic structural diagram of a food sample pretreatment extraction device according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a structure of a food sample pretreatment extraction device according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a food sample pretreatment extraction device according to an embodiment of the present utility model, partially in section, at a front side view angle;

fig. 4 is a schematic diagram of a part of a food sample pretreatment extraction device according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a fixing plate of a food sample pretreatment extraction device according to an embodiment of the present utility model.

Reference numerals illustrate:

1-a box body; 11-penetrating through the chute; 12-a separation net; 13-an access window opening; 2-a fixing plate; 3-a sliding plate; 31-hollowed holes; 32-limiting baffles; 33-a return spring; 34-handle; 35-a vibration motor; 4-rotating blocks; 41-a drain pipe round hole; 5-a baffle bottom shell; 6-an electric heating coil; 7-viewing window.

Detailed Description

One embodiment of the present utility model will be described in detail below with reference to the attached drawings, but it should be understood that the scope of the present utility model is not limited by the embodiment.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the technical solutions of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Referring to fig. 1, 2 and 3, the utility model provides a food sample pretreatment extraction device, which comprises a box body 1, a fixed plate 2, a sliding plate 3, a plurality of rotating blocks 4, a plurality of baffle tube bottom shells 5 and an electric heating coil 6, wherein the upper part of the box body 1 is provided with an opening, and the middle parts of two sides of the box body 1 are provided with penetrating sliding grooves 11 along the horizontal direction; the fixed plate 2 is horizontally and fixedly connected to the opening of the box body 1; the sliding plate 3 is arranged in the through sliding groove 11, the sliding plate 3 is in sliding fit with the box body 1, and a plurality of hollowed holes 31 are formed in the fixed plate 2 and the sliding plate 3 along the vertical direction; when the sliding plate 3 does not slide, the hollow holes 31 of the fixed plate 2 are in one-to-one correspondence with the positions of the hollow holes 31 on the sliding plate 3, a plurality of rotating blocks 4 are respectively arranged in the hollow holes 31, as shown in fig. 5, the outer walls of two opposite sides of each rotating block 4 arranged in the fixed plate 2 are hinged with the fixed plate 2 through shaft pins, as shown in fig. 4, each rotating block 4 arranged in the sliding plate 3 is also hinged with the sliding plate 3 through shaft pins, the extending direction of each shaft pin is mutually perpendicular to the sliding direction of the sliding plate 3, and each rotating block 4 is provided with a drain hole 41 along the vertical direction; the plurality of baffle tube bottom shells 5 are respectively and fixedly connected to the bottoms of the rotating blocks 4 in the sliding plate 3, and the inside of the baffle tube bottom shells 5 is hollowed out and the bottoms of the baffle tube bottom shells are opened; the electric heating coil 6 is fixedly connected in the box body 1 and is positioned at the bottom of the baffle bottom shell 5.

In the above embodiment, the box body 1 provided can be used as a carrier, the penetrating chute 11 provided can realize the horizontal sliding of the sliding plate 3, wherein the hollow hole 31 and the rotating block 4 are provided, the rotating block 4 can rotate on the corresponding hollow hole 31 through the corresponding hollow hole 31, the round hole of the building tube is provided, the effect that the test tube passes through the rotating block 4 can be realized, the baffle bottom shell 5 can resist and limit the test tube, the test tube is prevented from falling from the rotating block 4 at the bottom, the effect of high-temperature heating can be realized on the test tube through the electric heating coil 6 provided, the mixed extraction substances in the test tube can be heated and digested, the reaction is promoted, meanwhile, the bottom opening of the baffle bottom shell 5 is convenient for the electric heating coil 6, the test tube filled with food samples is placed in the rotating block 4 and then vertically passes through the leakage tube round hole 41, the bottom of the test tube is placed in the corresponding rotating block 4 of the bottom sliding plate 3, the bottom of the test tube passes through the drain hole 41 of the corresponding rotating block 4 and is placed in the bottom shell 5 of the baffle tube, the sliding plate 3 can be pushed at the moment, the sliding plate 3 slides forwards along the through sliding groove 11 of the box body 1, at the moment, the fixed plate 2 does not move due to the movement of the sliding plate 3, therefore, the test tube can rotate reversely around the axis of the corresponding shaft pin on the fixed plate 2 due to the rotation of each rotating block 4, the tube orifice of the test tube finally inclines towards the upper left, the bottom of the test tube inclines towards the lower right, when the sliding plate 3 is pulled backwards, the test tube rotates along with the sliding plate 3 towards the opposite direction, and the test tube can adaptively float upwards and downwards in the sliding process of the sliding plate 3, so as to be combined into a motion track similar to a four-bar mechanism, when the sliding plate 3 is pushed and pulled in the past, a plurality of test tubes can be subjected to uniform oscillation, so that high-temperature heating digestion oscillation can be finally realized, and the mixing efficiency of the extractant and the food sample is greatly improved.

Further, referring to fig. 2, 3 and 4, the aperture of the drain hole 41 is matched with the diameter of the extraction test tube, and the opening at the bottom of the baffle bottom shell 5 is smaller than the lower part of the extraction test tube.

In the above embodiment, specifically, the funnel circular hole 41 can realize the penetration of the extraction test tube, and the aperture is slightly greater than 4mm of extraction test tube diameter, can be convenient for the test tube reciprocate on the fixed plate 2, and the opening of limiting baffle bottom shell 5 bottom is less than the lower part of extraction test tube, can prevent that the test tube from falling downwards from the opening part of baffle bottom shell 5 to play limiting displacement.

Further, referring to fig. 2, 3 and 5, the hollow hole 31 is a rectangular slot, and the slot length and the slot width of the rectangular slot are both larger than the size of the rotating block 4.

In the above embodiment, by defining the hollow hole 31 as a rectangular groove, the groove length and the groove width of the rectangular groove are both larger than the size of the rotating block 4, so that the rotating block 4 on the fixed plate 2 or the sliding plate 3 cannot interfere with the fixed plate 2 or the sliding plate 3 when rotating around the two shaft pins respectively.

Further, referring to fig. 1, 2 and 3, a limit baffle 32 is fixedly connected to an upper surface of an outer end of the sliding plate 3, a horizontal return spring 33 is disposed on a side of the limit baffle 32, which is close to the case 1, a first end of the return spring 33 is fixedly connected with the limit baffle 32, and a second end of the return spring is fixedly connected with an outer wall of the case 1.

In the above embodiment, through the limit baffle 32 that sets up, can play spacing effect to the sliding plate 3 at the maximum distance that runs through in the spout 11 of box 1 gliding, still played simultaneously and connected reset spring 33's effect, reset spring 33 that sets up can play the effect that resets to sliding plate 3, when promote sliding plate 3 in to box 1 or outwards pulling sliding plate 3, reset spring 33 all can rely on self elastic potential energy, spacing and reset sliding plate 3, secondly, can also prevent that the slip of sliding plate 3 from droing.

Further, referring to fig. 1 and 2, a handle 34 is fixedly connected to one end of the sliding plate 3 disposed outside the case 1.

In the above embodiment, the control of the slide plate 3 by the detection person can be facilitated.

Further, referring to fig. 1 and 2, a plurality of vibration motors 35 are fixedly connected to the outer end of the sliding plate 3.

In the above embodiment, through the vibration motor 35 that sets up, can play the effect of vibration to the sliding plate 3, with vibration force transmission to the test tube on to further promote the excitation of the interior mixed substance of test tube, improved mixing efficiency.

Further, referring to fig. 2 and 4, a horizontal screen 12 is fixedly connected to the upper portion of the electric heating coil 6 in the box 1.

In the above embodiment, through the screen 12 that sets up, can divide into two cavitys with box 1, the bottom is the heating portion, and the upper portion is the oscillating portion, and the screen 12 that sets up simultaneously can separate other objects from fretwork hole 31 fall to on the electric heating coil 6.

Further, referring to fig. 1, an observation window 7 is provided at a side middle portion of the case 1.

In the above embodiment, the inspection staff can be facilitated to observe the degree of oscillation of the test tube through the observation window 7 provided.

Further, referring to fig. 1, an access window is provided at a position of the box 1 at the electric heating coil 6.

In the above embodiment, the maintenance of the electric heating coil 6 in the later stage can be facilitated by the provided access window.

The application method and the working principle are as follows: during the use, will be equipped with the test tube of food sample and place in rotating block 4, then vertically pass leak pipe round hole 41, make the bottom of test tube place in the corresponding rotating block 4 of bottom sliding plate 3, the bottom of test tube can pass the leak pipe round hole 41 of the corresponding rotating block 4 in bottom and place in fender pipe drain pan 5, thereby accomplish the placing of test tube, when a plurality of test tubes, can use the same mode to place in other positions can, place the test tube after, can open electrothermal coil 6 and heat the bottom of test tube, then hold handle 34, drive sliding plate 3 and slide along running through spout 11 of box 1, at this moment because sliding plate 3 takes place to remove, and fixed plate 2 does not take place to remove, consequently, the test tube can rotate because each rotating block 4, consequently, the test tube can take place reverse rotation round the axis of the pivot that corresponds on fixed plate 2, finally be the mouth of pipe is inclined upwards left, the bottom of test tube is inclined downwards right, when pulling handle 34 inwards, test tube also rotates along with sliding plate 3 towards opposite direction, in the well sliding plate 3 slides, the well, the self-supporting handle is realized through the oscillating intensity of sliding plate 3, thereby the oscillating intensity is realized to the test tube when the oscillating window is realized to the test tube, the vibration intensity is realized to the test tube is well, when the test tube is convenient, and vibration is realized, and vibration intensity is well-fitting to the test tube is convenient, and the test tube has been realized.

The foregoing disclosure is merely illustrative of some embodiments of the utility model, but the embodiments are not limited thereto and variations within the scope of the utility model will be apparent to those skilled in the art.

Claims (9)

1. A food sample pretreatment extraction device, comprising:

the upper part of the box body (1) is opened, and the middle parts of the two sides of the box body (1) are provided with penetrating sliding grooves (11) along the horizontal direction;

the fixing plate (2) is horizontally and fixedly connected to the opening of the box body (1);

the sliding plate (3) is arranged in the through sliding groove (11), the sliding plate (3) is in sliding fit with the box body (1), a plurality of hollowed holes (31) are formed in the fixed plate (2) and the sliding plate (3) along the vertical direction, and when the sliding plate (3) does not slide, the hollowed holes (31) of the fixed plate (2) correspond to the hollowed holes (31) on the sliding plate (3) one by one;

the plurality of rotating blocks (4) are respectively arranged in the hollowed holes (31), the outer walls of two opposite sides of each rotating block (4) arranged in the fixed plate (2) are hinged with the fixed plate (2) through shaft pins, each rotating block (4) arranged in the sliding plate (3) is also hinged with the sliding plate (3) through shaft pins, the extending direction of each shaft pin is mutually perpendicular to the sliding direction of the sliding plate (3), and each rotating block (4) is provided with a drain pipe round hole (41) along the vertical direction;

the baffle bottom shells (5) are respectively fixedly connected to the bottoms of the rotating blocks (4) in the sliding plate (3), and the inside of the baffle bottom shells (5) is hollowed out and the bottoms of the baffle bottom shells are opened;

the electric heating coil pipe (6) is fixedly connected in the box body (1) and is positioned at the bottom of the baffle tube bottom shell (5).

2. A food sample pretreatment extraction device according to claim 1, characterized in that the aperture of the drain hole (41) is matched with the diameter of the extraction tube, and the opening at the bottom of the baffle bottom shell (5) is smaller than the lower part of the extraction tube.

3. A food sample pretreatment extraction device according to claim 2, characterized in that the hollowed-out hole (31) is a rectangular groove, and the groove length and the groove width of the rectangular groove are both larger than the size of the rotating block (4).

4. A food sample pretreatment extraction device according to claim 3, wherein a limit baffle (32) is fixedly connected to the upper surface of an outer end of the sliding plate (3), a horizontal return spring (33) is arranged on one side of the limit baffle (32) close to the box body (1), a first end of the return spring (33) is fixedly connected with the limit baffle (32), and a second end of the return spring is fixedly connected with the outer wall of the box body (1).

5. A food sample pretreatment extraction device according to claim 4, characterized in that one end of the sliding plate (3) arranged outside the box body (1) is fixedly connected with a handle (34).

6. A food sample pretreatment extraction device according to claim 5, characterized in that the outer end of the sliding plate (3) is fixedly connected with a plurality of vibration motors (35).

7. A food sample pretreatment extraction device according to claim 1, characterized in that a horizontal screen (12) is fixedly connected to the upper position of the electric heating coil (6) in the box (1).

8. A food sample pretreatment extraction device according to claim 1, characterized in that the middle of one side of the box (1) is provided with an observation window (7).

9. A food sample pretreatment extraction device according to claim 7, characterized in that the housing (1) is provided with an access window at the location of the electric heating coil (6).

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