CN113353458A

CN113353458A - Portable nutritional food sanitation sampling, testing and storing device

Info

Publication number: CN113353458A
Application number: CN202110646206.1A
Authority: CN
Inventors: 郭存珍; 叶秀利; 宋爽
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-09-07

Abstract

The invention discloses a portable nutritional food sanitation sampling, inspecting and storing device, and relates to the field of food sampling and storing devices. Through the U-shaped plate that sets up, the door plant, the roof, the annular slab, the ring cover, the fixture block, the elasticity cardboard, mutually support between T shape draw-in groove and the T shape fixture block, can be through the upset annular slab, make the annular slab vertically place in the U-shaped plate, adsorb fixedly through magnet to the upper and lower side of annular slab, it makes the roof fixed in U-shaped plate upper end to rotate the bolt again, the both sides door plant of overturning again, make the closing plate overlap joint of each other of door plant both sides, again with elasticity cardboard card in both sides fixture block top, it is fixed to make the both sides door plant, it makes a plurality of test tubes transversely place to have realized making through the upset annular slab when needs sampling, make the vertical placing of a plurality of test tubes when needs shift the transportation, the portability of the device is improved.

Description

Portable nutritional food sanitation sampling, testing and storing device

Technical Field

The invention relates to a food sampling and storing device, in particular to a portable nutritional food sanitary sampling, testing and storing device.

Background

Food inspection refers to a means for studying and evaluating the quality and changes of food, and it is based on some basic theories of physics, chemistry, biochemistry and various technologies, and according to established technical standards, such as international and national food sanitation and safety standards, the quality of food raw materials, auxiliary materials, semi-finished products, finished products and by-products is inspected to ensure the quality of the products is qualified. The contents of food inspection comprise sensory detection on food, detection on nutrient components, additives and harmful substances in the food, and the like, the indexes of the food inspection mainly comprise analysis on general components of the food, analysis on trace elements, analysis on pesticide residues, analysis on veterinary drug residues, analysis on mycotoxin, analysis on food additives, analysis on other harmful substances, and the like, wherein the food sense organ test is based on the sense organs of human body, specifically on eyes, ears, nose, mouth including lips and tongue and hands, the quality condition of the food is objectively evaluated, namely, by looking at the food with eyes, smelling the food with the nose, listening to the food with ears, tasting the food with the mouth, touching the food with the hands and the like, comprehensively identifying and evaluating the color, the fragrance, the taste and the appearance of the food, and when the food is sampled, it is necessary to separately place the sampled foods, and thus a storage device for food samples is required.

When the current food sampling storage device is used, some defects and shortcomings still exist, and the specific places needing improvement are as follows:

1. at present, when sampled food is stored, a large storage box is mostly needed to store sampled food samples respectively, the storage box is often large in size, workers are inconvenient to move and transfer, when the food samples are stored in the storage box, sampled food sample test tubes are often accumulated in the storage box, the inner space of the storage box is large, and a plurality of gaps are reserved in the storage box, so that glass test tubes collide during transfer and transportation, the test tubes break, and the sampled food is polluted;

2. and current storage box inner structure is comparatively simple moreover, and is only simple place food sample inside the storage box, and food when placing under normal atmospheric temperature environment, the rotten condition can appear very probably to lead to the inspection data of food inaccurate, influence the inspection effect.

3. Present food is when the sampling, for the health of food to and the accuracy of detection, need staff's use tools to snatch the food of sampling, thereby lead to carrying more sampling tool when sampling, and more sampling tool need carry out loaded down with trivial details searching when using, can occupy more space moreover when carrying, be not convenient for use.

Disclosure of Invention

The invention aims to provide a portable health sampling, inspecting and storing device for nutritional food, which solves the problems that when the sampled food is stored, a large storing box is mostly needed to store the sampled food samples respectively, the storing box is often large in volume, the movement and the transfer of workers are inconvenient, when the food samples are stored in the storing box, the sampled food sample test tubes are often accumulated in the storing box, the internal space of the storing box is large, a plurality of gaps are left, during the transfer and the transportation, the test tubes made of glass materials collide to cause the breakage of the test tubes, the sampled food is polluted, the internal structure of the existing storing box is simple, the food samples are simply placed in the storing box, and when the food is placed in a normal temperature environment, the situation of deterioration is likely to occur, thereby the inspection data that leads to food is inaccurate, influences the inspection effect, current food when the sampling, for the health of food, and the accuracy of detection, need staff's use tools to snatch the food of sampling, thereby lead to needing to carry more sampling tool when sampling, and more sampling tool need carry out loaded down with trivial details searching when using, can occupy more space moreover when carrying, the problem of not convenient to use.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a portable nutrition food hygiene sampling inspection storage device, includes the U-shaped plate, the left and right ends of lateral wall all is connected with the door plant through hinge rotation around the U-shaped plate, the top of U-shaped plate is provided with the roof, the equal fixedly connected with cooling cylinder of side around the bottom surface of roof, be provided with the annular slab in the U-shaped plate, the annular slab is the metal material, the downside all is provided with a plurality of ring covers on the inside of annular slab, and the cover is equipped with a plurality of test tubes in a plurality of ring covers, the left side inner wall front side of U-shaped plate is provided with the scissors, the left side inner wall rear side of U-shaped plate is provided with the rubber head burette, and in the fixed cover of scissors and rubber head burette difference joint on U-shaped plate left side wall.

As a preferred technical scheme of the invention, the door plates on the front side and the rear side are fixedly connected with clamping blocks, the two clamping blocks on the front side and the two clamping blocks on the rear side are respectively clamped with an elastic clamping plate, the opposite ends of the two door plates on the front side and the opposite ends of the two door plates on the right side are respectively fixedly connected with a sealing plate, and every two adjacent sealing plates are matched.

As a preferable technical scheme of the invention, the upper end and the lower end of the opposite surfaces of the two door panels on the front side and the two door panels on the rear side are fixedly connected with a first sealing strip, the back surfaces of the first sealing strips on the upper side and the lower side are arranged in an inclined plane, and the first sealing strips are matched with the U-shaped plate and the top plate.

As a preferred technical scheme of the invention, the front end and the rear end of the left side wall and the right side wall of the U-shaped plate are both fixedly connected with a second sealing strip, the back surfaces of the front sealing strip and the rear sealing strip are arranged in an inclined plane, and the second sealing strip is matched with the front side door plate and the rear side door plate.

As a preferred technical scheme, the left side and the right side of the upper surface of the U-shaped plate are both provided with T-shaped clamping grooves, T-shaped clamping blocks are clamped in the two T-shaped clamping grooves, and the two T-shaped clamping blocks are fixedly connected with the left side wall and the right side wall of the top plate respectively.

According to a preferable technical scheme of the invention, threaded holes are formed in the two T-shaped clamping grooves, bolts are connected to the threaded holes in a threaded manner, and the bolts are clamped in through holes formed in the T-shaped clamping blocks.

According to a preferable technical scheme, the middle of the upper surface of the top plate is fixedly connected with a handle, the middle of the handle is provided with a sponge cushion, the right ends of the two cooling cylinders are connected with sealing covers through threaded threads, the cooling cylinders are made of glass, the left side and the right side of the bottom surface of the top plate are fixedly connected with a third sealing strip, the back surfaces of the third sealing strips on the two sides are arranged in an inclined plane, and the third sealing strips are matched with the inner walls of the left side and the right side of the U-shaped plate.

As a preferable technical scheme of the invention, the middle parts of the opposite surfaces of the U-shaped plates are respectively rotatably connected with a first rotating shaft through a bearing, opposite ends of the first rotating shafts are respectively and fixedly connected with left and right side walls of the annular plate, upper and lower sides of the left and right inner walls of the annular plate are respectively and rotatably connected with a second rotating shaft through a second bearing, opposite ends of the second rotating shafts above and opposite ends of the second rotating shafts below are respectively and fixedly connected with left and right ends of a plurality of ring sleeves on the upper and lower sides, every two adjacent ring sleeves on the upper and lower sides are respectively and fixedly connected through a connecting rod, the lower side of each connecting rod is fixedly connected with a balancing weight, and upper ends of a plurality of test tubes are respectively clamped with sealing plugs, four magnets are fixedly connected to the left side wall and the right side wall of the U-shaped plate, the four magnets are evenly distributed on the upper side, the lower side, the front side and the rear side of the side wall of the U-shaped plate, and the magnets are matched with the annular plate.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the mutual matching of the U-shaped plate, the door plate, the top plate, the annular plate, the ring sleeve, the clamping blocks, the elastic clamping plate, the T-shaped clamping groove and the T-shaped clamping blocks, the annular plate can be vertically placed in the U-shaped plate by turning over the annular plate, the upper side and the lower side of the annular plate are adsorbed and fixed through the magnets, the top plate is fixed at the upper end of the U-shaped plate by rotating the bolts, the door plates on two sides are turned over again, the sealing plates on two sides of the door plate are mutually lapped, the elastic clamping plate is clamped above the clamping blocks on two sides, the door plates on two sides are fixed, the purpose that a plurality of test tubes are horizontally placed by turning over the annular plate when sampling is needed is realized, the plurality of test tubes are vertically placed when transfer transportation is needed, and the portability of the device is improved.

2. According to the invention, through the mutual matching among the annular plate, the ring sleeve, the first rotating shaft, the second rotating shaft, the connecting rod and the balancing weight, when sampled food is placed, the food can be placed in the test tube, the upper end opening of the test tube is plugged by the sealing plug, then the test tubes are placed in the ring sleeve in a classified manner, and then the annular plate is turned over, so that the test tubes in the ring sleeve are placed vertically instead of horizontally, and the test tubes are prevented from colliding inside the device when the device is transferred and transported.

3. According to the invention, through the mutual matching of the sealing plate, the first sealing strip, the second sealing strip, the third sealing strip, the cooling cylinder and the sealing covers, the ice-water mixture can be poured into the cooling cylinders at two sides, then the sealing covers are rotated to seal the openings on the cooling cylinders at two sides, and the cooling cylinder is made of glass, so that when the ice-water mixture is put into the cooling cylinder, cold air emitted by the ice-water mixture can be better transferred outwards, and the storage effect of the device on sampled food is improved.

4. According to the food sampler, the scissors and the rubber-head dropper are arranged, so that the food in a solid state can be conveniently sampled, and the food in a liquid state can be conveniently sampled, so that the integrated sampling operation of the food sampler is realized, the carrying of various sampling devices is avoided, and the practicability is improved.

Drawings

FIG. 1 is a schematic view of an expanded three-dimensional structure of a door panel according to the present invention;

FIG. 2 is a schematic cross-sectional perspective view of a U-shaped plate according to the present invention;

FIG. 3 is a schematic view of a bottom side of a door panel according to the present invention;

FIG. 4 is a schematic cross-sectional perspective view of a U-shaped plate according to the present invention;

FIG. 5 is a schematic perspective view of a test tube according to the present invention;

fig. 6 is a schematic three-dimensional structure of the loop of the present invention.

In the figure: 1U-shaped plate, 2 door panels, 3 top plates, 4 cooling cylinders, 5 annular plates, 6 annular sleeves, 7 test tubes, 8 scissors, 9 rubber head droppers, 10 clamping blocks, 11 elastic clamping plates, 12 sealing plates, 13 first sealing strips, 14 second sealing strips, 15T-shaped clamping grooves, 16T-shaped clamping blocks, 17 threaded holes, 18 bolts, 19 handles, 20 third sealing strips, 21 sealing covers, 22 first rotating shafts, 23 second rotating shafts, 24 connecting rods, 25 balancing weights, 26 sealing plugs, 27 magnets and 28 through holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 6, the present invention provides a technical solution: a portable nutritional food sanitation sampling, inspecting and storing device comprises a U-shaped plate 1, wherein the left and right ends of the front and back side walls of the U-shaped plate 1 are rotatably connected with a door plate 2 through hinges, a top plate 3 is arranged above the U-shaped plate 1, the front and back sides of the bottom surface of the top plate 3 are fixedly connected with cooling cylinders 4, a ring plate 5 is arranged in the U-shaped plate 1, the ring plate 5 is made of metal, the ring plate 5 can be adsorbed and fixed with magnets 27 on the upper and lower sides and the front and back sides when rotating, the structural integrity is realized, a plurality of ring sleeves 6 are arranged on the upper and lower sides in the ring plate 5, a plurality of test tubes 7 are sleeved in the ring sleeves 6, scissors 8 are arranged on the front side of the inner wall on the left side of the U-shaped plate 1, the sampling of solid food is facilitated through the arrangement of the scissors 8, a rubber head dropper 9 is arranged on the rear side of the inner wall on the left side of the U-shaped plate 1, the rubber head dropper 9 is arranged to facilitate sampling of liquid food, and the scissors 8 and the rubber head dropper 9 are respectively clamped in the fixing sleeve on the left side wall of the U-shaped plate 1.

Equal fixedly connected with fixture block 10 on the front and back door plant 2, equal joint has elasticity cardboard 11 on two fixture blocks of front side 10 and two fixture blocks of rear side 10, through setting up fixture block 10 and elasticity cardboard 11, can make both sides door plant 2 when closing, go into the arc limit card of 11 both sides of elasticity cardboard about the side fixture block 10 both sides, thereby make both sides door plant 2 fix, fixed efficiency has been improved, the looks remote site of two door plant 2 of front side and the equal fixedly connected with closing plate 12 of the looks remote site of two door plant 2 on the right side, through setting up closing plate 12, can make both sides door plant 2 when closing, the closing plate 12 of both sides is crisscross to be placed, thereby carry out sealing process to the opening part of both sides door plant 2, sealing effect has been improved, and per two adjacent closing plate 12 looks adaptations.

The equal fixedly connected with sealing strip 13 of lower extreme on the opposite face of two door plants 2 of front side and two door plants 2 of rear side, and the looks back of a side sealing strip 13 sets up for the inclined plane about and, sets up to the inclined plane through the back of the body with side sealing strip 13 about, can make the door plant 2 of both sides when closing, make the inclined plane of a sealing strip 13 carry out the overlap joint with the front and back end of roof 3 and U-shaped plate 1, improved sealed effect, and sealing strip 13 and U-shaped plate 1 and roof 3 looks adaptation.

Two 14 of equal fixedly connected with sealing strip of lateral wall front and back end about U-shaped plate 1, through set up two 14 of sealing strip around the lateral wall of the left and right sides at U-shaped plate 1, can make both sides door plant 2 when closing, door plant 2 extrudees two 14 of sealing strip to carry out the shutoff to the gap of 2 hinge departments of door plant and seal, improved the device's sealed effect, and the looks back of two 14 of front and back side sealing strips is the inclined plane setting, and 2 looks adaptations of side door plant around two 14 of sealing strip and.

T-shaped clamping grooves 15 have been all seted up on the upper surface left and right sides of U-shaped plate 1, equal joint has T-shaped fixture block 16 in two T-shaped clamping grooves 15, through setting up T-shaped clamping grooves 15 and T-shaped fixture block 16, it is more accurate when 1 upper end of U-shaped plate is placed to enable roof 3, avoid roof 3 to appear the condition of dislocation when 1 upper end of U-shaped plate is placed, and realized the device when expanding, roof 3 of upper end can be dismantled, conveniently get and put test tube 7, the practicality is improved, and two T-shaped fixture blocks 16 respectively with roof 3 control lateral wall fixed connection.

All seted up threaded hole 17 in two T shape draw-in grooves 15, equal threaded connection has bolt 18 in two threaded hole 17, through setting up threaded hole 17, bolt 18 and through-hole 28, can rotate in inserting through-hole 28 through with bolt 18, make bolt 18 drive roof 3 through with threaded hole 17 threaded connection and move down on U-shaped plate 1 to make roof 3 fix in U-shaped plate 1 upper end, realized the integrality of structure, bolt 18 joint is in the through-hole 28 that sets up on T shape fixture block 16.

The middle part of the upper surface of the top plate 3 is fixedly connected with a handle 19, the device can be lifted and moved more conveniently by arranging the handle 19, the middle part of the handle 19 is provided with a sponge cushion, the comfort of the device in gripping can be improved by arranging the sponge cushion on the handle 19, the right ends of the two cooling cylinders 4 are connected with sealing covers 21 through the arranged threaded threads, the cooling cylinders 4 are made of glass, when ice-water mixture is put into the cooling cylinders 4, the cold air emitted by the ice-water mixture can be better transmitted outwards by arranging the cooling cylinders 4 made of glass, the storage effect of the device on sampled food is improved, the left side and the right side of the bottom surface of the top plate 3 are fixedly connected with a sealing strip III 20, the back surfaces of the sealing strips III 20 on the two sides are arranged in inclined planes, the opposite surfaces of the sealing strips III 20 on the two sides are arranged in the inclined planes, when the top plate 3 is placed on the upper end of the U-shaped plate 1, the inclined plane on the opposite surface of the sealing strip III 20 is in lap joint with the inner walls of the two sides of the U-shaped plate 1, so that the upper ends of the two side walls of the U-shaped plate 1 are subjected to sealing treatment, the sealing effect of the device is improved, and the inner walls of the left side and the right side of the sealing strip III 20 and the U-shaped plate 1 are matched.

The middle parts of the opposite surfaces of the U-shaped plate 1 are rotatably connected with a first rotating shaft 22 through a first bearing, the annular plate 5 can rotate in the U-shaped plate 1 by arranging the first bearing and the first rotating shaft 22, so that the folding placement of a plurality of test tubes 7 is realized, the portability of the device is improved, the opposite ends of the first rotating shafts 22 are fixedly connected with the left side wall and the right side wall of the annular plate 5 respectively, the upper side and the lower side of the inner wall of the left side and the right side of the annular plate 5 are rotatably connected with a second rotating shaft 23 through a second bearing, the second bearing and the second rotating shaft 23 are arranged, so that a plurality of ring sleeves 6 can rotate in the annular plate 5, so that the test tubes 7 can rotate in the annular plate 5 and can be taken and placed conveniently, the structural integrity is realized, the opposite ends of the upper two rotating shafts 23 and the opposite ends of the lower two rotating shafts 23 are fixedly connected with the left end and the right end of the upper ring sleeves 6 respectively, every two adjacent ring sleeves 6 on the upper side and the lower side are fixedly connected through a connecting rod 24, the lower side of each connecting rod 24 is fixedly connected with a balancing weight 25, the balancing weight 25 is arranged on the lower side of the connecting rod 24, a plurality of test tubes 7 can be placed upwards through the gravity action of the balancing weight 25 in the annular plate 5 all the time, the leakage of sampled food is avoided, the stability of transfer transportation is improved, the upper ends of the test tubes 7 are respectively connected with a sealing plug 26 in a clamping manner, the upper ends of the test tubes 7 can be plugged through the arrangement of the sealing plugs 26, the toppling of the sampled food is avoided, four magnets 27 are respectively and fixedly connected on the left side wall and the right side wall of the U-shaped plate 1, the four magnets 27 are uniformly distributed on the upper side, the lower side, the front side and the rear side of the U-shaped plate 1, the annular plate 5 can be turned in the U-shaped plate 1, make annular plate 5 not adsorb with upper and lower side magnet 27, when annular plate 5 overturns to transversely, make annular plate 5 adsorb fixedly with the magnet 27 of front and back side to make a plurality of test tubes 7 in the device realize folding the placing, improved the portability of the device, and magnet 27 and annular plate 5 looks adaptation.

The method comprises the following operation steps:

s1, when the foldable door is used, firstly, the bolts 18 on the two sides are rotated, the bolts 18 move upwards in the threaded holes 17 on the two sides until the bolts 18 are not clamped with the through holes 28 on the T-shaped clamping blocks 16, then the handle 19 is grasped to lift the top plate 3 upwards, the upper end of the U-shaped plate 1 is opened, then the elastic clamping plates 11 on the front side and the rear side are pulled, the elastic clamping plates 11 are not clamped with the clamping blocks 10 on the door plates 2 on the left side and the right side, and then the door plates 2 on the front side and the rear side are respectively turned towards the front side and the rear side until the door plates 2 are perpendicular to the U-shaped plate 1, and the unfolding is completed;

s2, rotating the annular plate 5 to enable the annular plate 5 to rotate by taking the rotating shafts 22 on the two sides as axes until the annular plate 5 is transversely placed, meanwhile, the annular plate 5 and the front and rear magnets 27 are fixedly adsorbed, and the test tubes 7 in the plurality of ring sleeves 6 rotate under the action of the gravity of the balancing weight 25 to enable the openings of the test tubes 7 to be upward all the time;

s3, taking the test tube 7, sampling solid or liquid food through scissors 8 or a rubber dropper 9, placing the food in the test tube 7, plugging an upper end opening of the test tube 7 by the sealing plug 26, placing a plurality of test tubes 7 in the ring sleeve 6, pouring ice-water mixture into the cooling cylinders 4 on the two sides, rotating the sealing covers 21, and plugging openings of the cooling cylinders 4 on the two sides;

s4, overturn the annular plate 5 again, make the annular plate 5 vertically place in U-shaped plate 1, adsorb fixedly through magnet 27 to the upper and lower side of annular plate 5, aim at T shape draw-in groove 15 with the T shape fixture block 16 on roof 3 left and right sides again and insert down, it is fixed in U-shaped plate 1 upper end to rotate bolt 18 again, make the overlap joint of sealing strip three 20 and the left and right sides lateral wall upper end of U-shaped plate 1 simultaneously, overturn both sides door plant 2 again, make the closing plate 12 overlap joint of each other of door plant 2 both sides, make sealing strip 13 on the door plant 2 overlap joint roof 3 and U-shaped plate 1 simultaneously, block elastic clamping plate 11 above both sides fixture block 12 again, make both sides door plant 2 fixed, cool off and preserve.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 portable nutrition food health sampling inspection storage device, includes U-shaped board (1), its characterized in that: the utility model discloses a plastic film packaging machine, including U-shaped plate (1), door plant (2) are all connected through hinge rotation to the left and right ends of lateral wall around U-shaped plate (1), the top of U-shaped plate (1) is provided with roof (3), equal fixedly connected with cooling cylinder (4) of side around the bottom surface of roof (3), be provided with annular plate (5) in U-shaped plate (1), the downside all is provided with a plurality of ring cover (6) on the inside of annular plate (5), and the cover is equipped with a plurality of test tubes (7) in a plurality of ring cover (6), the left side inner wall front side of U-shaped plate (1) is provided with scissors (8), the left side inner wall rear side of U-shaped plate (1) is provided with rubber head burette (9).

2. The portable nutritional food sanitation sampling, inspection and storage device of claim 1, wherein: the door plate comprises front and rear door plates (2), clamping blocks (10) are fixedly connected to the front and rear door plates (2), elastic clamping plates (11) are clamped to the front two clamping blocks (10) and the rear two clamping blocks (10), and sealing plates (12) are fixedly connected to opposite ends of the front two door plates (2) and opposite ends of the right two door plates (2).

3. The portable nutritional food sanitation sampling, inspection and storage device of claim 1, wherein: two of front side door plant (2) and rear side are two equal fixedly connected with sealing strip (13) of lower extreme on the opposite face of door plant (2), and the back of the body of side sealing strip (13) is the inclined plane setting from top to bottom, and sealing strip (13) and U-shaped board (1) and roof (3) looks adaptation.

4. The portable nutritional food sanitation sampling, inspection and storage device of claim 1, wherein: the left side wall and the right side wall of the U-shaped plate (1) are fixedly connected with a second sealing strip (14) at the front end and the rear end, the back faces of the second sealing strips (14) at the front end and the rear end are arranged on inclined planes, and the second sealing strips (14) are matched with the front side door plate and the rear side door plate (2).

5. The portable nutritional food sanitation sampling, inspection and storage device of claim 1, wherein: t-shaped clamping grooves (15) are formed in the left side and the right side of the upper surface of the U-shaped plate (1), T-shaped clamping blocks (16) are clamped in the T-shaped clamping grooves (15), and the two T-shaped clamping blocks (16) are fixedly connected with the left side wall and the right side wall of the top plate (3) respectively.

6. The portable nutritional food sanitation sampling, inspection and storage device of claim 5, wherein: threaded holes (17) are formed in the two T-shaped clamping grooves (15), bolts (18) are connected in the two threaded holes (17) in a threaded mode, and the bolts (18) are clamped in through holes (28) formed in the T-shaped clamping blocks (16).

7. The portable nutritional food sanitation sampling, inspection and storage device of claim 1, wherein: the upper surface middle part fixedly connected with handle (19) of roof (3), two the right-hand member of a cooling cylinder (4) all has sealed lid (21) through the screw thread threaded connection who sets up, the equal fixedly connected with sealing strip three (20) in the bottom surface left and right sides of roof (3), and the back of the body of the two sides sealing strip three (20) be the inclined plane setting, and the side inner wall adaptation about sealing strip three (20) and U-shaped plate (1).

8. The portable nutritional food sanitation sampling, inspection and storage device of claim 1, wherein: the middle parts of the opposite surfaces of the U-shaped plates (1) are respectively rotatably connected with a first rotating shaft (22) through a first bearing, and the opposite ends of the two first rotating shafts (22) are respectively fixedly connected with the left side wall and the right side wall of the annular plate (5), the upper side and the lower side of the inner wall of the left side and the right side of the annular plate (5) are both rotatably connected with a second rotating shaft (23) through a second bearing, the opposite ends of the two second rotating shafts (23) at the upper part and the opposite ends of the two second rotating shafts (23) at the lower part are respectively and fixedly connected with the left end and the right end of a plurality of ring sleeves (6) at the upper side and the lower side, every two adjacent ring sleeves (6) at the upper side and the lower side are fixedly connected through a connecting rod (24), the lower side of each connecting rod (24) is fixedly connected with a balancing weight (25), the upper ends of a plurality of test tubes (7) are respectively clamped with a sealing plug (26), four magnets (27) are fixedly connected to the left side wall and the right side wall of the U-shaped plate (1).