Migration test pool

Abstract

The utility model discloses a migration test pool, including base, cover plate, pressure plate and locking piece, the upper side of base is provided with a plurality of test groove that can place the sample, the cover plate is provided with a plurality of, and one-to-one sealing cover is provided on the test groove, the pressure plate is covered on the upper side of the plurality of cover plates and is locked on the base through the locking piece, the number of the locking piece is less than the number of the cover plate, and the cover plate is provided with the locking piece. The migration test pool further comprises a limiting column vertically and fixedly connected to the center of the lower side of the cover plate, a gap exists between the lower end of the limiting column and the test groove, and the limiting column is in a cone shape with a downward tip. The utility model provides a migration test pool, which is convenient for parallel test of samples, prevents the samples from floating upwards and increases the test accuracy.

Description

TECHNICAL FIELD

[0001] The utility model relates to food contact material testing device technical field especially relates to a kind of migration test pool. BACKGROUND

[0002] Food contact material needs to utilize migration pool to do migration test to video contact material before being put into market, to ensure material safety, the existing migration test pool includes the shell of upside open, cover plate is covered on the shell, and locking piece is locked on the shell by cover plate, when testing, food contact material, such as take-out box, is formed into a piece of sample, sample is placed in shell, cover plate is locked on the shell using locking piece, then food simulation is injected in migration test pool, so that sample is immersed in food simulation, after a period of time, food simulation is extracted for detection, whether harmful substance in food simulation is overproof is analyzed, to verify whether take-out box is safe.

[0003] The existing migration test pool can only test a piece of sample at a time, if multiple samples need to be tested in parallel, multiple migration test pools need to be used for testing, and when testing, locking piece of each migration test pool needs to be operated to open and close migration test pool, which is complicated to operate; in addition, sample is easy to float on the surface of food simulation during testing, which reduces the contact area between sample and food simulation, resulting in inaccurate test results. UTILITY MODEL CONTENT

[0004] The utility model discloses in order to solve the above-mentioned defects of the existing migration test pool, propose a kind of migration test pool, it is convenient to make parallel test to sample, and prevent sample from floating, increase test accuracy.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of migration test pool, including base, cover plate, pressing plate and locking piece, the upper side of base is provided with multiple test grooves that can be placed sample, cover plate is provided with multiple, and seal cover on test groove one by one, pressing plate is covered on the upper side of multiple cover plates, and is locked on base by locking piece, the number of locking piece is less than the number of cover plate, migration test pool further includes the limiting post fixedly connected at the center of the lower side of cover plate, and the gap between limiting post lower end and test groove exists, and it is the taper of sharp head downward.

[0007] Through the above setting, multiple samples can be tested for parallel test at a time, improve test efficiency and accuracy;Limiting post can prevent sample from floating, further improve test accuracy;Locking piece fixes multiple cover plates by pressing plate, and it is more convenient to open and close migration test pool.

[0008] As an implementation form, the migration test pool further comprises a limiting plate horizontally screwed on the limiting column, the lower side of the limiting plate is higher than the lowermost end of the limiting column, and the edge of the limiting plate can be in contact with the edge of the sample to prevent the sample from floating up.

[0009] Through the above setting, it is further ensured that the sample is immersed in the food simulant.

[0010] As an implementation form, the slot of the test groove is provided with a mounting groove in the circumferential direction, and the migration test pool further comprises a sealing ring embedded in the mounting groove, the lower side of the cover plate is embedded in the test groove and abuts against the inner periphery of the sealing ring, and the cover plate is provided with a convex edge in the circumferential direction, which abuts against the upper side of the sealing ring.

[0011] Through the above setting, the sealing property between the cover plate and the test groove is increased.

[0012] As an implementation form, the upper side of the base is provided with a threaded hole, the pressing plate is provided with a mounting hole penetrating up and down, and the locking member is a butterfly bolt, which penetrates through the mounting hole and is threadedly connected with the threaded hole.

[0013] Through the above setting, it is convenient to manually tighten the locking member.

[0014] As an implementation form, the butterfly bolt is provided with three and is uniformly arranged in the circumferential direction of the pressing plate.

[0015] Through the above setting, the pressing plate is uniformly locked in the circumferential direction, so that each cover plate can be well pressed on the test groove.

[0016] As an implementation form, the migration test pool further comprises handles fixedly connected to the opposite sides of the base.

[0017] Through the above setting, it is convenient to carry the test pool with both hands.

[0018] As an implementation form, the test groove is provided with seven and is arranged in a honeycomb shape on the base.

[0019] Through the above setting, the compactness of the arrangement of the test groove is increased. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic view of the migration test pool of the embodiment.

[0021] Figure 2 It is a top view of the migration test pool of the embodiment.

[0022] Figure 3 It is a sectional view of A-A of the embodiment. Figure 2

[0023] Figure 4 It is a schematic view of the migration test pool of the embodiment, in which the cover plate and the locking member are hidden. ​

[0024] Figure 5 A cross-sectional view of the migration test cell when testing the test pool of examples. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model will be further specifically explained below by examples in combination with drawings.

[0026] As shown in the drawings, Figures 1 to 5 A migration test cell includes a base 2, a cover plate 3, a pressing plate 4 and a locking piece 5. The upper side of the base 2 is provided with a plurality of test slots 6 into which samples can be placed. The cover plate 3 is provided with a plurality of cover plates, which are sealed on the test slots 6 one by one. The pressing plate 4 is covered on the upper side of the plurality of cover plates 3 and is locked on the base 2 through the locking piece 5. The number of locking pieces 5 is less than the number of cover plates 3. The migration test cell further includes a limiting column 7 vertically fixedly connected at the center of the lower side of the cover plate 3. There is a gap between the lower end of the limiting column 7 and the test slot 6, and the limiting column 7 is in the shape of a sharp downward taper.

[0027] Through the above arrangement, a plurality of samples can be tested at one time for parallel testing, improving the testing efficiency and accuracy. The limiting column 7 can prevent the sample from floating up, further improving the testing accuracy. The locking piece 5 fixes the plurality of cover plates 3 through the pressing plate 4, making it more convenient to open and close the migration test cell.

[0028] When the migration test cell of the present application is tested, the food contact material to be tested is cut into a plurality of circular samples, which are placed in the plurality of test slots 6 one by one. The cross section of the test slot 6 is circular, facilitating the placement of the circular sample. Each test slot 6 is the same size and independent of each other. Food simulant, such as soup of food, is poured into the test slot 6. The cover plate 3 is sealed on the test slot 6 one by one. The lower end of the limiting column 7 at the lower side of the cover plate 3 is immersed in the food simulant and abuts against the upper side of the sample, preventing the sample from floating up to the upper surface of the food simulant. The lower end of the limiting column 7 is tapered, preventing the sample from slipping and ensuring that the sample is completely immersed in the food simulant. The pressing plate 4 is covered on the cover plate 3. The locking piece 5 locks the pressing plate 4 on the base 2, ensuring that the cover plate 3 covers the test slot 6 and preventing the food simulant from overflowing. After being stored in a specific temperature environment for a period of time, the locking piece 5 and the pressing plate 4 are removed, and the cover plate 3 is opened. The food simulant in the test slot 6 is extracted for detection.

[0029] As an implementation manner, the migration test cell further includes a limiting plate 8 horizontally screw-connected on the limiting column 7. The lower side of the limiting plate 8 is higher than the lowermost end of the limiting column 7. The edge of the limiting plate 8 can be in contact with the edge of the sample to prevent the sample from floating up.

[0030] Through the above arrangement, the sample is further ensured to be immersed in the food simulant.

[0031] The limiting plate 8 of the application is basically circular, the limiting column 7 penetrates the center of the limiting plate 8, after the cover plate 3 covers the test groove 6, the lower end of the limiting column 7 abuts against the sample near the center, after the sample tilts due to buoyancy, the edge of the limiting plate 8 abuts against the edge of the sample, so that the inclination angle of the sample is not too large, the inclination angle of the sample in the application is less than or equal to 20 degrees, as shown in the figure, to prevent the sample 200 from slipping and floating up, at the same time, the edge of the limiting plate 8 is close to the side wall of the test groove 6, which also prevents the sample from floating up and ensures that the sample is immersed in the food simulant. Figure 5 As an implementation manner, the slot of the test groove 6 is provided with a mounting groove in the circumferential direction, and the migration test pool further comprises a sealing ring 9 embedded in the mounting groove, the lower side of the cover plate 3 is embedded in the test groove 6 and abuts against the inner periphery of the sealing ring 9, the cover plate 3 is provided with a convex edge 10 in the circumferential direction, and the convex edge 10 abuts against the upper side of the sealing ring 9.

[0032] Through the above arrangement, the sealing property between the cover plate 3 and the test groove 6 is improved.

[0033] Through the above arrangement, the sealing property between the cover plate 3 and the test groove 6 is improved.

[0034] In the application, the sealing ring 9 is circular, the inner side is attached to the outer periphery of the cover plate 3, and the upper side is attached to the lower side of the convex edge 10, when the cover plate 3 covers the test groove 6, the food simulant in the test groove 6 will not overflow.

[0035] As an implementation manner, the upper side of the base 2 is provided with a threaded hole 11, the pressing plate 4 is provided with a mounting hole 12 penetrating the upper and lower sides, and the locking member 5 is provided as a butterfly bolt, the butterfly bolt penetrates the mounting hole 12 and is threadedly connected with the threaded hole 11.

[0036] Through the above arrangement, the locking member 5 can be conveniently manually tightened.

[0037] As an implementation manner, the butterfly bolt is provided with three and is uniformly arranged in the circumferential direction of the pressing plate 4.

[0038] Through the above arrangement, the pressing plate 4 is uniformly locked in the circumferential direction, so that each cover plate 3 can be well pressed on the test groove 6.

[0039] As an implementation manner, the migration test pool further comprises handles 13 fixedly connected to the opposite sides of the base 2.

[0040] Through the above arrangement, the test pool can be conveniently carried with both hands.

[0041] As an implementation manner, the test groove 6 is provided with seven and is arranged in a honeycomb shape on the base 2.

[0042] Through the above arrangement, the compactness of the arrangement of the test groove 6 is improved.

[0043] It should be understood that all of these improvements and changes that can be made to the above-described explanation are intended to be within the scope of the present application as defined in the appended claims.

Claims

1. A migration test cell characterized by, The utility model provides a migration test pool, including base, cover, pressing plate and locking piece, the plurality of test groove that can put sample is arranged on the upside of base, the plurality of cover is arranged, and one to one seal cover is covered on test groove, the upside of pressing plate is covered multiple cover, and is locked on base through locking piece, the number of locking piece is less than the number of cover, the migration test pool still includes the limiting post of vertical fixed connection in the center of cover downside, and there is the gap between limiting post lower extreme and test groove, and it is the conical shape of sharp head downward.

2. A migration test cell according to claim 1, wherein, The migration test pool still includes the limiting plate of horizontal screw connection on limiting post, and the downside of limiting plate is higher than the lowermost end of limiting post, and the edge of limiting plate can be contacted with sample edge to prevent the sample floating.

3. The migration test cell of claim 1, wherein, The slot of test groove is provided with installation groove along the circumference, and the migration test pool still includes the sealing ring of embedding in installation groove, and the downside of cover is embedded in test groove and is contacted with the inner perimeter of sealing ring, and the cover is provided with convex edge along the circumference, and the convex edge is contacted with the upside of sealing ring.

4. The migration test cell of claim 1, wherein, The upside of base is provided with threaded hole, the pressing plate is provided with the installation hole of going through up and down, and the locking piece is provided as butterfly bolt, and the butterfly bolt is passed through installation hole and is connected with threaded hole screw.

5. A migration test cell according to claim 4, wherein, The butterfly bolt is provided with three, and is evenly arranged along the circumference of pressing plate.

6. The migration test cell of claim 1, wherein, The migration test pool still includes handle fixed connection on the opposite sides of base.

7. The migration test cell of claim 1, wherein, The test groove is provided with seven, and is arranged in honeycomb shape on base.

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