CN215783466U - Sample tube for food quick-inspection pretreatment - Google Patents
Sample tube for food quick-inspection pretreatment Download PDFInfo
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- CN215783466U CN215783466U CN202121640813.9U CN202121640813U CN215783466U CN 215783466 U CN215783466 U CN 215783466U CN 202121640813 U CN202121640813 U CN 202121640813U CN 215783466 U CN215783466 U CN 215783466U
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Abstract
The utility model discloses a sample tube for food quick-inspection pretreatment, which comprises an upper tube, a lower tube and a tube frame, wherein the upper tube comprises a first tube part and a second tube part, a tube neck part is arranged between the first tube part and the second tube part, a switch valve is arranged at the tube neck part, and the tube neck part is detachably connected with the second tube part; the top of the first pipe part is provided with a positioning part, the positioning part is in threaded connection with a sealing cover, and a liquid inlet hole is formed in the sealing cover; the outer wall of the first pipe part is provided with a clamping groove; a connecting port is formed in the top of the second pipe part, a filtering assembly is arranged in the second pipe part, and a liquid outlet is formed in the bottom of the second pipe part; a clamping strip is arranged at the top of the lower pipe; the pipe frame is provided with pipe holes, heating jackets are arranged on two sides of the pipe holes, and the heating jackets are connected with a controller; the pipe support is provided with a front cover. The sample tube is simple and convenient to operate, a large number of experimental utensils are saved, the transfer of extracting solution is achieved, and the working efficiency is effectively improved.
Description
Technical Field
The utility model discloses a sample tube for food quick-inspection pretreatment, and belongs to the technical field of pretreatment equipment.
Background
The safety of food is an essential element which is necessary for food, the food safety problem is not small, and for the analysis of trace drug residues in food, the sample pretreatment process is very important to ensure the accuracy and reliability of the detection result. The sample pretreatment generally comprises the steps of sample extraction, purification, concentration, derivatization and the like. Due to the complexity of the analyzed samples and the differences of physicochemical properties such as polarity and solubility of different drugs, different pretreatment methods are required for food detection. However, in any pretreatment method, the basic purpose is to remove impurities existing together with the analyte as much as possible and to retain the target analyte to the maximum extent so as to reduce the interference during detection. However, the pretreatment needs a plurality of steps, and has the defects of long time consumption, low efficiency, large using amount of test vessels and the like, so that the working efficiency of the rapid detection of the food is influenced. Meanwhile, the samples are transferred for many times in the pretreatment process, which is not beneficial to improving the detection efficiency, and the operation error is easy to generate, thereby influencing the detection precision.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides the sample tube for the food quick-inspection pretreatment, the sample tube is simple and convenient to operate, a large number of experimental utensils and transfer of extracting solution are saved, and the working efficiency is effectively improved.
The utility model is realized by the following technical scheme:
a sample tube for the pretreatment of food quick inspection comprises an upper tube, a lower tube and a tube frame,
the upper pipe comprises a first pipe part and a second pipe part, a pipe neck part is arranged between the first pipe part and the second pipe part, a switch valve is arranged at the pipe neck part, and the pipe neck part is detachably connected with the second pipe part;
the top of the first pipe part is provided with a positioning part, the positioning part is in threaded connection with a sealing cover, and a liquid inlet hole is formed in the sealing cover; the outer wall of the first pipe part is provided with a clamping groove;
a connecting port is formed in the top of the second pipe part, a filtering assembly is arranged in the second pipe part, and a liquid outlet is formed in the bottom of the second pipe part;
a clamping strip is arranged at the top of the lower pipe;
the pipe frame is provided with pipe holes, heating jackets are arranged on two sides of the pipe holes, and the heating jackets are connected with a controller; the pipe support is provided with a front cover.
Furthermore, the filtering component is one or a combination of a filtering net, a filtering plate, a filtering membrane and an adsorption layer.
Furthermore, a fixing ring is arranged at the top of the pipe hole, and a plurality of elastic fixing bulges are arranged on the inner wall of the pipe hole.
Furthermore, the outer wall of the lower pipe is provided with scale marks, and the bottom of the lower pipe is provided with an upright part.
Furthermore, the lower pipe also comprises a detachable positioning clamp, and support pieces are arranged on two sides of the positioning clamp.
Further, the connecting port is provided with a sealing ring.
Compared with the prior art, the utility model has the following beneficial effects:
the sample tube and related accessories of the utility model are used for the pretreatment of food samples, can be assembled for use, can also be used independently, the upper tube can form an independent extraction reaction space, and can also be used for filtration, and the reaction space can be communicated, thereby being convenient for the transfer of analytes.
The utility model can quickly obtain the extracting solution after reaction, reduce the process of repeatedly transferring by using an experimental utensil, simultaneously ensure the capacity of the extracting solution to be unchanged, lighten the labor intensity of personnel and improve the working efficiency; the device has the advantages of simple structure, convenient operation, low manufacturing cost and good pretreatment effect.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of the connection of the upper and lower tubes.
Fig. 3 is a schematic view of the connection mode of the lower pipe and the positioning clamp.
Fig. 4 is a schematic diagram of the front cover structure of the pipe rack.
Reference numbers correspond to part names: 1-a first pipe part, 2-a second pipe part, 3-a pipe neck part, 4-a switch valve, 5-a positioning part, 6-a sealing cover, 7-a liquid inlet hole, 8-a clamping groove, 9-a connecting port, 11-an upper pipe, 12-a lower pipe, 13-a pipe frame, 14-a filtering assembly, 15-a liquid outlet, 16-a clamping strip, 17-a pipe hole, 18-a heating jacket, 19-a front cover, 21-an upright part, 22-a positioning clamp, 23-a support sheet, 24-a sealing ring and 25-a sealing cover.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail with reference to the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
A sample tube for the pretreatment of food quick test comprises an upper tube 11, a lower tube 12 and a tube frame 13,
the upper pipe 11 comprises a first pipe part 1 and a second pipe part 2, a pipe neck part 3 is arranged between the first pipe part 1 and the second pipe part 2, the pipe neck part is provided with a switch valve 4, and the pipe neck part 3 is detachably connected with the second pipe part 2;
the top of the first pipe part 1 is provided with a positioning part 5, the positioning part 5 is in threaded connection with a sealing cover 6, and the sealing cover 6 is provided with a liquid inlet hole 7; the outer wall of the first pipe part 1 is provided with a clamping groove 8;
the top of the second pipe part 2 is provided with a connecting port 9, the inside of the second pipe part 2 is provided with a filtering component 14, and the bottom of the second pipe part is provided with a liquid outlet 15;
the top of the lower pipe 12 is provided with a clamping strip 16, the clamping strip 16 is matched with the clamping groove 8, and the upper pipe and the lower pipe can be assembled through the clamping strip 16 and the clamping groove 8.
One or more pipe holes 17 are formed in the pipe frame 13, heating jackets 18 or heating rods are arranged on two sides of each pipe hole 17, and the heating jackets or the heating rods are connected with a controller; the pipe support 13 is provided with a front cover 19 made of temperature-resistant glass, and the front cover 19 is connected with the pipe support through a hinge.
The filtering component 14 is one or a combination of a filtering net, a filtering plate, a filtering membrane and an adsorption layer.
The outer wall of the lower tube 12 is provided with scale marks, and the bottom of the lower tube is provided with an upright part 21 which can be vertically placed.
The lower tube 12 further comprises a detachable positioning clip 22, and support pieces 23 are arranged on two sides of the positioning clip 22.
A sealing ring 24 is arranged inside the connecting port 9.
The liquid inlet hole 7, the liquid outlet 15 and the bottom of the pipe neck part can be detachably provided with a sealing cover 25, and the liquid inlet hole 7, the liquid outlet 15 and the bottom of the pipe neck part can be sealed when needed.
In actual use, firstly, assembling a first upper pipe part and a lower pipe, weighing a sample into the first upper pipe part, adding an extraction solution, covering a cover, placing the sample in a pipe hole of a pipe frame after oscillation, and adjusting the program temperature through a controller to control the temperature of a heating jacket so as to enable the sample to have a pretreatment reaction; the sealing cover 6 is provided with the liquid inlet hole 7 which can be used for feeding, and during filtering, the liquid inlet hole can be opened, so that filtering is smooth. And (4) allowing the solution after the pretreatment reaction to enter a lower pipe for subsequent detection.
For samples requiring filtration, the first and second tube sections are assembled together and the upper and lower tubes are assembled prior to the pre-treatment reaction. After the pretreatment reaction, the switch valve can be opened for direct filtration, and the separation of sample residues and the extracting solution is realized. The filtering component can be a filtering net or a filtering membrane, and the like, and can also be provided with an adsorbing material for adsorbing a part of interfering components.
The positioning clamp 22 can be arranged on the lower pipe through the supporting pieces 23 on the two sides of the positioning clamp 22, and the positioning clamp can clamp detection devices such as test paper and the like for detection.
The sample tube is used for the pretreatment of food samples, can be assembled for use, can also be used independently, the upper tube can form an independent extraction reaction space, and can also be used for filtration, and the reaction space can be communicated, so that the transfer of analytes is convenient.
According to the utility model, the extracting solution can be quickly obtained after the reaction, the process of repeatedly transferring by using an experimental utensil is reduced, the efficiency and the accuracy of food pretreatment are further improved, the capacity of the extracting solution is ensured to be unchanged, the labor intensity of personnel can be reduced, and the working efficiency is improved; the device has the advantages of simple structure, convenient operation, low manufacturing cost, good pretreatment effect and popularization value.
While the utility model has been described in further detail with reference to specific preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Claims (5)
1. A sample tube for the pretreatment of food quick test is characterized by comprising an upper tube (11), a lower tube (12) and a tube frame (13),
the upper pipe (11) comprises a first pipe part (1) and a second pipe part (2), a pipe neck part (3) is arranged between the first pipe part (1) and the second pipe part (2), the pipe neck part is provided with a switch valve (4), and the pipe neck part (3) is detachably connected with the second pipe part (2);
the top of the first pipe part (1) is provided with a positioning part (5), the positioning part (5) is in threaded connection with a sealing cover (6), and the sealing cover (6) is provided with a liquid inlet hole (7); the outer wall of the first pipe part (1) is provided with a clamping groove (8);
a connecting port (9) is formed in the top of the second pipe part (2), a filtering component (14) is arranged in the second pipe part (2), and a liquid outlet (15) is formed in the bottom of the second pipe part;
a clamping strip (16) is arranged at the top of the lower pipe (12);
a pipe hole (17) is formed in the pipe frame (13), heating jackets (18) are arranged on two sides of the pipe hole (17), and the heating jackets (18) are connected with a controller; the pipe frame is provided with a front cover (19).
2. The sample tube for the treatment before the food rapid inspection as claimed in claim 1, wherein the filtering component (14) is one or more of a filtering net, a filtering plate, a filtering membrane and an adsorption layer.
3. The sample tube for the pretreatment of food quick inspection as set forth in claim 1, wherein the outer wall of the lower tube (12) is provided with graduation lines and the bottom is provided with an upright part.
4. The sample tube for the pretreatment of food quick test as claimed in claim 1, wherein said lower tube (12) further comprises a detachable positioning clip (22), and supporting pieces (23) are disposed on two sides of the positioning clip (22).
5. The sample tube for the pretreatment of food rapid inspection according to claim 1, wherein a sealing ring (24) is provided inside the connection port (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121640813.9U CN215783466U (en) | 2021-07-19 | 2021-07-19 | Sample tube for food quick-inspection pretreatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121640813.9U CN215783466U (en) | 2021-07-19 | 2021-07-19 | Sample tube for food quick-inspection pretreatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215783466U true CN215783466U (en) | 2022-02-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121640813.9U Active CN215783466U (en) | 2021-07-19 | 2021-07-19 | Sample tube for food quick-inspection pretreatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215783466U (en) |
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2021
- 2021-07-19 CN CN202121640813.9U patent/CN215783466U/en active Active
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