CN219210981U - A food quality inspection device based on chromatographic detection - Google Patents

Abstract

The utility model relates to a food quality inspection device based on chromatographic detection, which comprises a box body, wherein a cleaning mechanism is arranged in the box body, a rotating mechanism is arranged in the box body, a flushing mechanism is arranged in the box body, the cleaning mechanism comprises a cleaning shell, the bottom of the cleaning shell is fixedly connected with the inner bottom wall of the box body, a first bin assembly is arranged in the cleaning shell, a first motor is fixedly arranged on the inner wall of the first bin assembly, an output shaft of the first motor is fixedly connected with a rotating shaft, one end of the rotating shaft penetrates through and extends to the inside of the first bin assembly through a coupling, and a shell is fixedly arranged at the top of the rotating shaft. This food quality inspection device based on chromatographic detection has reached the abluent purpose to the test tube through being provided with wiper mechanism to clear up the sample residue that the inside of sample test tube was inspected, reduced staff's manual cleaning work volume.

Description

A food quality inspection device based on chromatographic detection

technical field

The invention relates to the technical field of food quality inspection, in particular to a food quality inspection device based on chromatographic detection.

Background technique

The main steps of chromatographic detection are strict purification steps after sample extraction, qualitative and quantitative determination by chromatography or chromatography coupled with mass spectrometry and other technologies. In order to maintain a high recovery rate and sensitivity in conventional instrument detection methods, pretreatment must be strengthened accordingly, so that The sample extraction and purification steps are more and more time-consuming. The gas chromatography rapid detection method simplifies the purification steps as much as possible, and directly analyzes the organophosphorus pesticides in vegetables and fruits after extraction, which greatly improves the detection speed. The biggest advantage of this method is that it can give Qualitative and quantitative results of organophosphorus pesticides in vegetables and fruits, providing a basis for arbitration.

According to a portable food safety detection device proposed by the patent of Publication No. CN112345515A, the portable food safety detection device is provided with a crushing device in the box and a glass used in conjunction with the crushing device. When the food needs to be crushed, Just take out the fixed plate, then place the glass on the fixed plate, and then use the crushing device to crush the food in the glass. Not only the processing efficiency is high, but also the crushing is uniform, which effectively improves the detection quality. Compared with the traditional portable food safety detection device, the invention can quickly and high-quality complete the pulverization of food, and is more convenient to use.

However, this portable food safety detection device does not have an automatic cleaning function. After the food inspection is completed, when the device needs to be cleaned, the staff needs to clean it manually, so that the harmful reactants will cause harm to the body of the cleaning staff. damage, while increasing the workload of the staff, so a food quality inspection device based on chromatographic detection is proposed to solve the above problems.

Contents of the invention

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the present invention provides a food quality inspection device based on chromatographic detection, which has the advantage of cleaning sample test tubes, and solves the problem that the portable food safety detection device does not have an automatic cleaning function. After the completion, when the device needs to be cleaned, the staff needs to clean it manually, so that the harmful reactant will cause damage to the body of the cleaning staff, and the problem of increasing the workload of the staff at the same time.

(2) Technical solution

In order to achieve the above object, the present invention provides the following technical solutions: a food quality inspection device based on chromatographic detection, including a box body, a cleaning mechanism is arranged inside the box body, a rotating mechanism is arranged inside the box body, the The inside of the box is provided with a flushing mechanism;

The cleaning mechanism includes a cleaning shell, the bottom of the cleaning shell is fixedly connected to the inner bottom wall of the box body, the inside of the cleaning shell is provided with a first bin body assembly, and the inner wall of the first bin body assembly is fixedly installed There is a first motor, the output shaft of the first motor is fixedly connected with a rotating shaft through a shaft coupling and extends to the inside of the first warehouse assembly, the top of the rotating shaft is fixedly installed with a casing, and the casing There is a second bin body assembly inside, the inner wall of the second bin body assembly is fixedly installed with a second motor, and the inside of the second bin body assembly is slidingly installed with a lifter with one end penetrating and extending to the inside of the first bin body assembly. The output shaft of the second motor is fixedly connected to a threaded shaft with one end passing through and extending to the interior of the lifting cylinder through a coupling, and a cleaning brush is fixedly installed on the outer surface of the lifting cylinder.

Further, the rotating mechanism includes two electric lifting rods, the bottoms of the two electric lifting rods are fixedly connected with the inner bottom wall of the box, and the tops of the two electric lifting rods are fixedly installed with organic casings. A third motor is fixedly installed on the right side wall of the inner cavity of the casing, and the output shaft of the third motor is fixedly connected to a rotating shaft with one end passing through and extending to the inside of the box through a coupling. A fixing frame is fixedly installed on the left side, a sample test tube is fixedly installed on the inner surface of the fixing frame, a color collector is fixedly installed on the inner top wall of the box body, and a workbench is fixedly installed on the front side of the box body.

Further, the flushing mechanism includes two electric telescopic rods, the tops of the two electric telescopic rods are fixedly installed with the inner top wall of the box, and the bottoms of the two electric telescopic rods are fixedly installed with extrusion plates, so The bottom of the extruding plate is fixedly installed with a plugging head that runs through and extends to the inside of the sample test tube. And extend to the connecting hose inside the first electric valve, the top of the box is fixedly equipped with a sample loading shell, the outer surface of the sample adding shell is threaded with a sealing cover, and the top of the box is fixedly installed with a second Two electric valves, the back of the second electric valve is fixedly installed with a water supply pipe.

Further, the first bin body assembly includes a first machine bin and a cleaning bin, a cleaning bin is arranged above the first bin, and a movable hole is opened between the first bin and the cleaning bin, and the A first sealing ring is fixedly installed on the inner surface of the movable hole, and the inner surface of the first sealing ring is sealingly connected with the outer surface of the rotating shaft.

Further, the second bin body assembly includes a second machine bin and a movable bin, a movable bin is arranged above the second bin, and slide grooves are provided on the left and right side walls of the inner cavity of the movable bin, so Both left and right sides of the lifting cylinder are fixedly equipped with sliders, and the outer surfaces of the two sliders are respectively slidably connected with the inner surfaces of the two chutes.

Further, the inner surface of the lifting cylinder is threaded, and the inner surface of the lifting cylinder is threadedly connected with the outer surface of the threaded shaft.

Further, the left side wall of the inner cavity of the casing on the left side is rotatably installed with a rotating rod whose end penetrates and extends to the inside of the box, and the right side of the rotating rod is fixedly connected to the left side of the fixing frame.

Further, the back of the cleaning case is fixedly installed with a water inlet pipe with one end penetrating and extending to the outside of the box, and the back of the cleaning shell is fixedly installed with a drain pipe with one end penetrating and extending to the outside of the box. A waste sample cell is permanently installed.

Further, a second sealing ring is fixedly installed on the outer surface of the sealing head and the sample adding shell, and the outer surfaces of the two second sealing rings are respectively sealed and connected with the inner surface of the sample test tube and the inner surface of the sealing cap.

(3) Beneficial effects

Compared with the prior art, the present invention provides a food quality inspection device based on chromatographic detection, which has the following beneficial effects:

1. The food quality inspection device based on chromatographic detection achieves the purpose of cleaning the test tube by setting a cleaning mechanism, thereby cleaning the sample residues tested inside the sample test tube, reducing the manual cleaning workload of the staff.

2. The food quality inspection device based on chromatographic detection achieves the function of exchanging the opening of the sample test tube by providing a rotating mechanism, and can pour out the test sample, which is convenient for cleaning the sample test tube and convenient for users. .

3. The food quality inspection device based on chromatographic detection is equipped with a flushing mechanism to achieve the effect of flushing the sample case, preventing the remaining samples from the last time from affecting the inspection results, and increasing the time required for the next food sample inspection. accuracy.

Description of drawings

Fig. 1 is a kind of food quality inspection device structure schematic diagram based on chromatographic detection that the present invention proposes;

Fig. 2 is an enlarged view of A in Fig. 1 of a food quality inspection device based on chromatographic detection proposed by the present invention;

Fig. 3 is a top view sectional view of a structure cleaning shell of a food quality inspection device based on chromatographic detection proposed by the present invention;

Fig. 4 is a top view sectional view of two casings of a food quality inspection device structure based on chromatographic detection proposed by the present invention;

Fig. 5 is a left view of the structure Fig. 1 of a food quality inspection device based on chromatographic detection proposed by the present invention.

In the figure: 1, box body; 2, cleaning mechanism; 201, cleaning shell; 202, first warehouse assembly; 203, first motor; 204, rotating shaft; 205, shell; 206, second warehouse assembly; 207 , the second motor; 208, the lifting cylinder; 209, the threaded shaft; 210, the cleaning brush; 3, the rotating mechanism; 301, the electric lifting rod; 302, the casing; 303, the third motor; 304, the rotating shaft; 305, fixed rack; 306, sample test tube; 307, worktable; 308, color collector; 4, flushing mechanism; 401, electric telescopic rod; 402, extrusion plate; 403, plugging head; 404, connecting hose; 405, the first 1 electric valve; 406, sample adding shell; 407, sealing cover; 408, second electric valve; 409, water adding pipe.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1-5, a kind of food quality inspection device based on chromatographic detection in the present embodiment, comprises box body 1, and the inside of box body 1 is provided with cleaning mechanism 2, and the inside of box body 1 is provided with rotating mechanism 3, The inside of the box body 1 is provided with a flushing mechanism 4, the cleaning mechanism 2 includes a cleaning shell 201, the bottom of the cleaning shell 201 is fixedly connected with the inner bottom wall of the box body 1, and the inside of the cleaning shell 201 is provided with a first warehouse assembly 202, The inner wall of the first bin body assembly 202 is fixedly installed with a first motor 203, and the output shaft of the first motor 203 is fixedly connected to a rotating shaft 204 with one end passing through and extending to the inside of the first bin body assembly 202 through a coupling. The rotating shaft 204 A housing 205 is fixedly installed on the top of the housing, and the first motor 203 drives the rotating shaft 204 and the housing 205 to rotate.

Wherein, the first bin body assembly 202 includes a first machine bin and a cleaning bin, a cleaning bin is arranged above the first bin, and a movable hole is provided between the first bin and the cleaning bin, and the inner surface of the movable hole is fixedly installed. There is a first sealing ring, and the inner surface of the first sealing ring is sealingly connected with the outer surface of the rotating shaft 204 to prevent water from seeping into the inside of the first machine compartment.

In this embodiment, the inside of the shell 205 is provided with a second bin body assembly 206, the inner wall of the second bin body assembly 206 is fixedly installed with a second motor 207, and the inside of the second bin body assembly 206 is slidably installed with one end penetrating and extending to The lifting cylinder 208 inside the first warehouse assembly 202, the output shaft of the second motor 207 is fixedly connected with a threaded shaft 209 with one end passing through and extending to the interior of the lifting cylinder 208 through a coupling, and the second motor 207 drives the threaded shaft 209 to rotate , the inner surface of the lifting tube 208 is provided with threads, the inner surface of the lifting tube 208 is threadedly connected with the outer surface of the threaded shaft 209, the threaded shaft 209 makes the lifting tube 208 go up and down through the slider, and the outer surface of the lifting tube 208 is fixedly installed with cleaning Brush 210 , the cleaning brush 210 scrubs the inside of the sample test tube 306 .

Wherein, the second bin body assembly 206 includes a second machine bin and a movable bin. A movable bin is arranged above the second bin. The left and right side walls of the inner cavity of the movable bin are provided with chutes. Slide blocks are fixedly installed on both sides, and the outer surfaces of the two slide blocks are slidingly connected with the inner surfaces of the two chute respectively.

Specifically, the first motor 203 is started to drive the rotating shaft 204 and the housing 205 to rotate, so that the cleaning brush 210 brushes the inside of the sample test tube 306, and the second motor 207 is started to drive the threaded shaft 209 to rotate, and the threaded shaft 209 makes the lifting The cylinder 208 is lifted up and down by the slider, and the interior of the sample test tube 306 is moved up and down to fully scrub, thereby cleaning the sample residues tested inside the sample test tube 306, reducing the manual cleaning workload of the staff.

In this embodiment, the rotating mechanism 3 includes two electric elevating rods 301, the bottoms of the two electric elevating rods 301 are fixedly connected with the inner bottom wall of the box body 1, and the tops of the two electric elevating rods 301 are fixedly installed with organic casings. 302, a third motor 303 is fixedly installed on the right side wall of the inner chamber of the right casing 302, and the output shaft of the third motor 303 is fixedly connected to a rotating shaft 304 with one end penetrating through and extending to the inside of the box body 1 through a coupling. The left side of the shaft 304 is fixed with a fixed bracket 305, the third motor 303 drives the rotating shaft 304 and the fixed bracket 305 to rotate, and the left side wall of the inner cavity of the left casing 302 is rotated and installed with one end penetrating and extending to the inside of the box body 1 The rotating rod, the right side of the rotating rod is fixedly connected with the left side of the fixed frame 305, the inner surface of the fixed frame 305 is fixedly equipped with the sample test tube 306, the electric lifting rod 301 makes the sample test tube 306 lift, and the inner top wall of the box body 1 A color collector 308 is fixedly installed to perform chromatographic detection on food, and a workbench 307 is fixedly installed on the front of the box body 1 to display the detection results.

Wherein, the back of the cleaning case 201 is fixedly installed with a water inlet pipe whose end penetrates and extends to the outside of the box body 1. The water inlet pipe adds water to the cleaning case 201. The drain pipe drains the cleaning shell 201. A waste sample pool is fixedly installed on the front of the clean shell 201. The sample liquid in the sample test tube 306 will be poured into the waste sample pool.

Specifically, start the third motor 303, drive the rotating shaft 304 and the fixed frame 305 to rotate, so that the sample test tube 306 pours the internal sample liquid into the waste sample pool, then turn the sample test tube 306 over, start the electric lifting rod 301, The sample test tube 306 is inserted into the cleaning shell 201, water is added to the cleaning shell 201 through the water inlet pipe, and the cleaning shell 201 is drained through the drain pipe, so that the detection sample can be poured out, which is convenient for cleaning the sample test tube 306, which is convenient for the user. use.

In this embodiment, the flushing mechanism 4 includes two electric telescopic rods 401, the tops of the two electric telescopic rods 401 are fixedly installed on the inner top wall of the box body 1, and the bottoms of the two electric telescopic rods 401 are fixedly installed with extrusion plates. 402 , the bottom of the extrusion plate 402 is fixedly installed with a plugging head 403 that penetrates and extends to the inside of the sample test tube 306 , and the electric telescopic rod 401 inserts the plugging head 403 into the sample test tube 306 through the extrusion plate 402 .

In this embodiment, a first electric valve 405 is fixedly installed on the inner top wall of the box body 1, and a connecting hose 404 with one end penetrating and extending to the inside of the first electric valve 405 is fixedly installed inside the plugging head 403, and the water flows through the connecting hose 404. The hose 404 and the plugging head 403 enter the inside of the sample test tube 306, the top of the box body 1 is fixedly installed with a sample adding shell 406, the outer surface of the sample adding shell 406 is threaded with a sealing cover 407, and the top of the box body 1 is fixedly installed with a second Two electric valves 408 , the back of the second electric valve 408 is fixedly installed with a water supply pipe 409 , and the water flow flows into the inside of the sample addition shell 406 through the water supply pipe 409 .

Wherein, the outer surfaces of the plugging head 403 and the sample adding shell 406 are fixedly installed with a second sealing ring, and the outer surfaces of the two second sealing rings are respectively sealed and connected with the inner surface of the sample test tube 306 and the inner surface of the sealing cover 407, Prevent the sample test tube 306 and the sealing cover 407 from leaking.

Specifically, the first electric valve 405 and the second electric valve 408 are opened, and the water flow flows into the sample addition shell 406 through the water supply pipe 409, flushes the inside of the sample addition shell 406, and then enters through the connecting hose 404 and the plugging head 403. Inside the sample test tube 306, the sample test tube 306 is rinsed to prevent the residual sample from the last time from affecting the test result and increase the accuracy of the next food sample test.

The working principle of the above-mentioned embodiment is:

(1) After the chromatographic detection of the food is completed, the first electric valve 405 and the second electric valve 408 are opened, and the water flow flows into the inside of the sample addition shell 406 through the water supply pipe 409 to flush the inside of the sample addition shell 406, and then pass the connection The hose 404 and the plugging head 403 enter the inside of the sample test tube 306 to flush the sample test tube 306 .

(2) Start the third motor 303 to drive the rotating shaft 304 and the fixed frame 305 to rotate, so that the sample test tube 306 pours the internal sample liquid into the discarded sample pool, then the sample test tube 306 is turned over, and the electric lifting rod 301 is started, The sample test tube 306 is inserted into the cleaning case 201, the cleaning case 201 is filled with water through the water inlet pipe, and the cleaning case 201 is drained through the drain pipe.

(3) Start the first motor 203, drive the rotating shaft 204 and the casing 205 to rotate, scrub the inside of the sample test tube 306, start the second motor 207, drive the threaded shaft 209 to rotate, so that the lifting cylinder 208 is lifted by the slider , the inside of the sample test tube 306 is fully brushed up and down.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (9)

1. A food quality inspection device based on chromatographic detection, comprising a casing (1), characterized in that: the inside of the casing (1) is provided with a cleaning mechanism (2), and the inside of the casing (1) A rotating mechanism (3) is provided, and a flushing mechanism (4) is provided inside the box (1); The cleaning mechanism (2) includes a cleaning shell (201), the bottom of the cleaning shell (201) is fixedly connected to the inner bottom wall of the box body (1), and the inside of the cleaning shell (201) is provided with a first The bin body assembly (202), the inner wall of the first bin body assembly (202) is fixedly mounted with a first motor (203), the output shaft of the first motor (203) is fixedly connected through a shaft coupling with one end passing through and The rotating shaft (204) extending to the inside of the first warehouse assembly (202), the top of the rotating shaft (204) is fixedly equipped with a housing (205), and the inside of the housing (205) is provided with a second warehouse assembly (206), the inner wall of the second bin body assembly (206) is fixedly installed with a second motor (207), and the inner sliding installation of the second bin body assembly (206) has one end penetrating and extending to the first bin body The lifting tube (208) inside the assembly (202), the output shaft of the second motor (207) is fixedly connected with a threaded shaft (209) with one end passing through and extending to the inside of the lifting tube (208) through a coupling, the A cleaning brush (210) is fixedly installed on the outer surface of the lifting tube (208). 2. A food quality inspection device based on chromatographic detection according to claim 1, characterized in that: the rotating mechanism (3) includes two electric lifting rods (301), and the two electric lifting rods ( The bottom of 301) is fixedly connected with the inner bottom wall of the box body (1), and the tops of the two electric elevating rods (301) are all fixedly installed with the casing (302), and the inside of the casing (302) on the right side A third motor (303) is fixedly installed on the right side wall of the cavity, and the output shaft of the third motor (303) is fixedly connected to a rotating shaft (304) with one end passing through and extending to the inside of the box body (1) through a coupling. The left side of the rotating shaft (304) is fixedly equipped with a fixed frame (305), the inner surface of the fixed frame (305) is fixedly equipped with a sample test tube (306), and the inner top wall of the box (1) is fixed. A color collector (308) is installed, and a workbench (307) is fixedly installed on the front of the box body (1). 3. A food quality inspection device based on chromatographic detection according to claim 1, characterized in that: the flushing mechanism (4) includes two electric telescopic rods (401), and the two electric telescopic rods ( The top of 401) is fixedly installed with the inner top wall of box body 1 (), and the bottom of two described electric expansion rods (401) is fixedly installed with extruding plate (402), and the bottom of described extruding plate (402) is fixed A plugging head (403) with one end penetrating and extending to the inside of the sample test tube (306) is installed, and a first electric valve (405) is fixedly installed on the inner top wall of the box body (1). The plugging head (403) ) is fixedly installed with a connection hose (404) with one end running through and extending to the inside of the first electric valve (405), the top of the box (1) is fixedly equipped with a sample addition shell (406), A sealing cover (407) is threadedly installed on the outer surface of the shell (406), a second electric valve (408) is fixedly installed on the top of the box (1), and a second electric valve (408) is fixedly installed on the back of the second electric valve (408). Add water hose (409). 4. A food quality inspection device based on chromatographic detection according to claim 1, characterized in that: the first bin body assembly (202) includes a first machine bin and a cleaning bin, and the first machine bin A cleaning chamber is provided above the first machine chamber and a movable hole is opened between the first machine chamber and the cleaning chamber. The inner surface of the movable hole is fixedly equipped with a first sealing ring, and the inner surface of the first sealing ring is in contact with the rotating shaft. The outer surface of (204) is hermetically connected. 5. A food quality inspection device based on chromatographic detection according to claim 1, characterized in that: the second bin body assembly (206) includes a second machine bin and a movable bin, and the second bin A movable warehouse is arranged above the inner chamber of the movable chamber. The left and right side walls of the inner cavity of the movable warehouse are provided with chutes. The left and right sides of the lifting cylinder (208) are fixedly equipped with sliders. The outer sides of the two sliders The surfaces are slidingly connected with the inner surfaces of the two slide grooves respectively. 6. A food quality inspection device based on chromatographic detection according to claim 1, characterized in that: the inner surface of the lifting cylinder (208) is provided with threads, and the inner surface of the lifting cylinder (208) is connected to the thread The outer surface of the shaft (209) is threaded. 7. A food quality inspection device based on chromatographic detection according to claim 2, characterized in that: the left side wall of the inner cavity of the casing (302) on the left side is rotatably installed with one end penetrating and extending to the box body ( 1) The inner rotating rod, the right side of the rotating rod is fixedly connected with the left side of the fixed frame (305). 8. A food quality inspection device based on chromatographic detection according to claim 2, characterized in that: the back of the cleaning shell (201) is fixedly installed with a water inlet pipe that runs through and extends to the outside of the box (1) , the back of the cleaning case (201) is fixedly installed with a drain pipe with one end passing through and extending to the outside of the box body (1), and the front side of the cleaning case (201) is fixedly installed with a waste sample pool. 9. A food quality inspection device based on chromatographic detection according to claim 3, characterized in that: the outer surfaces of the plugging head (403) and the sample loading shell (406) are fixedly equipped with a second sealing ring , the outer surfaces of the two second sealing rings are respectively in sealing connection with the inner surface of the sample test tube (306) and the inner surface of the sealing cover (407).

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