CN212872082U - Soaking device for single-side migration test of planar food contact material - Google Patents
Soaking device for single-side migration test of planar food contact material Download PDFInfo
- Publication number
- CN212872082U CN212872082U CN202021365794.9U CN202021365794U CN212872082U CN 212872082 U CN212872082 U CN 212872082U CN 202021365794 U CN202021365794 U CN 202021365794U CN 212872082 U CN212872082 U CN 212872082U
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- China
- Prior art keywords
- food contact
- contact material
- base
- soaking
- migration test
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- Expired - Fee Related
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- 238000002791 soaking Methods 0.000 title claims abstract description 57
- 239000000463 material Substances 0.000 title claims abstract description 31
- 230000005012 migration Effects 0.000 title claims abstract description 28
- 238000013508 migration Methods 0.000 title claims abstract description 28
- 235000013305 food Nutrition 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000000855 fermentation Methods 0.000 claims abstract description 9
- 230000004151 fermentation Effects 0.000 claims abstract description 9
- -1 polytetrafluoroethylene Polymers 0.000 claims description 15
- 239000004033 plastic Substances 0.000 claims description 13
- 229920003023 plastic Polymers 0.000 claims description 13
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 11
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000011521 glass Substances 0.000 abstract description 10
- 229910052751 metal Inorganic materials 0.000 abstract description 7
- 210000003298 dental enamel Anatomy 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 239000000919 ceramic Substances 0.000 description 4
- 239000007769 metal material Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000013348 organic food Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a plane food contact material single face migration test soak device, its structure includes the fermentation vat, utensil valve liquid access hole, utensil valve gas pocket, sealing washer, gasket, base, apron, screw rod, nut. The soaking pool is provided with an opening at the lower end, the top end is closed, the lower end is positioned above a food contact material sample piece to be detected, a sealing ring is arranged between the sample piece and the soaking pool, the base and the cover plate are fan-shaped and are provided with a plurality of screw rod access holes, the position of the fixing rod can be adjusted according to the shape of the sample piece, and the base, the soaking pool and the cover plate are fixed through the screw rods. The utility model is used for to being difficult to cut the soaking of food contact test pieces such as glass, enamel, pottery, metal for shape rule, area are fixed, be applicable to the soaking test under the microwave condition simultaneously.
Description
Technical Field
The utility model relates to a plane food contact material single face migration test soak device.
Background
The food contact material is of various types, and mainly comprises glass, enamel, ceramics, plastics, rubber, metal, bamboo and wood according to the material. The food contact materials such as glass, enamel, ceramics, metal and the like often introduce some metal elements due to raw materials or impurities, wherein the excessive migration amount of harmful elements to food can influence the food quality and also can harm the human health. At present, relevant laws and standards of food contact materials at home and abroad set limit requirements on migration of harmful elements in the food contact materials.
At present, for a product capable of containing a simulant, the simulant can be directly added for a migration experiment; for products with shapes easy to cut, the migration experiment can be carried out on a migration device with a fixed migration area by cutting the products into corresponding shapes and areas.
The existing migration test soaking device is mainly designed for the migration test of organic food contact materials such as plastics, rubber and the like which are easy to cut. Glass, enamel, ceramic, metal and other materials are generally difficult to cut into sample pieces with regular shapes and fixed areas, for example, a multilayer metal material can only soak a food contact surface on one side, a sample is difficult to cut, and toughened glass cannot be cut. Secondly, the fixed subassembly of current migration soak device is mostly the metal material, can not be used for the migration condition under the service conditions such as microwave.
Disclosure of Invention
The utility model aims at providing a plane food contact material single face migration test soak device to in solving food contact material soak tests such as glass, enamel, pottery, metal among the prior art, difficult sample is cut into shape rule, the fixed sample piece of area to and the soak device of metal material is not suitable for the problem of microwave. In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a plane food contact material single face migration test soak device, its characterized in that comprises fermentation vat (1), sealing washer (4), gasket (5), base (6), apron (7), screw rod (8), nut (9), be provided with 3 at least screw rods (8) on base (6), the upper end department of screw rod (8) is by nut (9) fixed connection apron (7), be provided with fermentation vat (1) between base (6) and apron (7), the bottom surface of apron (7) is connected by gasket (5) in the top of fermentation vat (1), the lower extreme of fermentation vat (1) is relative with base (6) by sealing washer (4). The wall of the upper part of the soaking pool (1) is provided with a valve air hole (3) and a valve liquid inlet-outlet hole (2). The material of the soaking pool (1) is glass or polytetrafluoroethylene plastic, the top end of the soaking pool (1) is closed, and the bottom end of the soaking pool is open. The base (6) is made of polytetrafluoroethylene plastic, is fan-shaped, has a fan-shaped opening angle of 60-120 degrees, and is provided with a plurality of screw rod access holes at the edge of the fan surface. The top cover plate (7) is made of polytetrafluoroethylene plastics, the top cover plate is fan-shaped, the angle of a fan-shaped opening is 60-120 degrees, and a plurality of screw rod (8) access holes (10) are formed in the edge of the fan surface of the top cover plate. The sealing ring (4) is made of silica gel, is annular in shape and is U-shaped in cross section. The nut (9) and the screw (8) are made of polytetrafluoroethylene plastics. The valve air hole (3) is composed of a valve body and a floating plug arranged in the inner cavity of the valve body, and an air valve is arranged at an air outlet on the valve body.
Preferably, the volume (from the opening end to the height of the liquid filling opening) of the soaking pool is 20 mL-100 mL, the shape is cylindrical or cuboid, and the diameter of the soaking pool is 2.5, 2.8, 3.8, 4.1, 5.0 and 5.5 cm.
The valve air hole is matched with a floating plug, the air pressure in the soaking pool is increased during heating and soaking, the air pressure difference is formed between the air pressure and the outside of the soaking pool, the floater floats upwards, the air escapes, the pressure balance is maintained by the pressure balance, and the valve air hole is opened after soaking is finished, so that the soaking liquid can be taken out from the liquid discharge hole conveniently.
The utility model has the advantages that:
the sample is directly soaked in the flat food contact material such as glass, enamel, ceramics, metal and the like which is difficult to prepare into a regular-shape and fixed-area sample. The position can be adjusted according to the shape of the sample by adopting the movable fixed rod. The device is made of glass and polytetrafluoroethylene plastic and is suitable for a migration test under a microwave condition.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the valve-equipped air hole of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
In the figure, the soaking device for the single-side migration test of the planar food contact material is characterized by comprising a soaking pool 1, a sealing ring 4, a gasket 5, a base 6, a cover plate 7, screws 8 and nuts 9, wherein at least 3 screws 8 are arranged on the base 6, the upper end of each screw 8 is fixedly connected with the cover plate 7 through the nut 9, the soaking pool 1 is arranged between the base 6 and the cover plate 7, the top end of the soaking pool 1 is connected with the bottom surface of the cover plate 7 through the gasket 5, and the lower end of the soaking pool 1 is opposite to the base 6 through the sealing ring 4. The wall of the upper part of the soaking pool 1 is provided with a valve air hole 3 and a valve liquid inlet and outlet hole 2. The material of the soaking pool 1 is glass or polytetrafluoroethylene plastic, the top end of the soaking pool 1 is closed, and the bottom end of the soaking pool is opened. The base 6 is made of polytetrafluoroethylene plastic, the base is fan-shaped, the angle of a fan-shaped opening ranges from 60 degrees to 120 degrees, and a plurality of screw rod access holes are formed in the edge of the fan surface of the base. The top cover plate 7 is made of polytetrafluoroethylene plastic, is fan-shaped, has a fan-shaped opening angle of 60-120 degrees, and is provided with a plurality of screw rod 8 access holes 10 on the edge of the fan surface. The sealing ring 4 is made of silica gel, is annular and has a U-shaped section. The nut 9 and the screw 8 are made of polytetrafluoroethylene plastics. The valve-equipped air hole 3 is composed of a valve body and a floating plug 31 arranged in the inner cavity of the valve body, and an air valve 32 is arranged at an air outlet on the valve body.
Examples
Referring to fig. 1-2, an embodiment of the present invention provides a soaking device for a single-side migration test of a planar food contact material, which comprises a soaking tank 1, a liquid inlet/outlet hole 2 with a valve, an air hole 3 with a valve, a sealing ring 4, a gasket 5, a base 6, a cover plate 7, a screw 8, and a nut 9. The sample is located on the base, the open end of the soaking pool is located on the sample, the soaking pool and the sample are sealed through the sealing ring 3, the gasket 5 is arranged at the top end of the soaking pool, and the cover plate 7 is located on the gasket 5. The device is adjusted and fixed through a screw 8 and a nut 9.
Wherein, the material of the soaking pool can be glass, the top end of the soaking pool is closed, the bottom end of the soaking pool is opened, and the volume (the height from the opened end to the liquid filling opening) of the soaking pool is 50 mL.
Wherein, the diameter of the soaking pool is 2.5 cm.
Wherein, have floating stopper 31 and air valve 32 in the valve gas vent 3, the air valve 32 is opened, and when heating and soaking, atmospheric pressure increases in the soaking pool, and floating stopper 31 floats, and gaseous effusion maintains the internal and external pressure balance of soaking pool. The air outlet with the valve air hole can be closed through the air valve 32.
When the device is used, a sample piece is placed on the base 6, 3 screw rods 8 are installed, the sealing ring 4 is installed at the bottom end of the soaking pool and then placed on the sample piece, the gasket 5 is placed at the top end of the soaking pool, the cover plate 7 is pressed, the fastening nut 9 is adjusted to enable the cover plate to be evenly pressed with the top end of the soaking pool 1, the valve liquid inlet and outlet hole 2 is opened, soaking liquid is injected, and the valve air hole 3 is opened; carrying out a soaking test under certain soaking conditions; after the test is finished, the liquid inlet and outlet hole 2 with the valve is opened, the soaking solution is taken out, the test is collected, and the fastening nut and the screw rod are disassembled.
The utility model provides a some examine the unable cutting of material and put into the problem of migration soak device, directly migrate and soak on examining the material.
Claims (8)
1. The utility model provides a plane food contact material single face migration test soak device, its characterized in that comprises fermentation vat (1), sealing washer (4), gasket (5), base (6), apron (7), screw rod (8), nut (9), be provided with 3 at least screw rods (8) on base (6), the upper end department of screw rod (8) is by nut (9) fixed connection apron (7), be provided with fermentation vat (1) between base (6) and apron (7), the bottom surface of apron (7) is connected by gasket (5) in the top of fermentation vat (1), the lower extreme of fermentation vat (1) is relative with base (6) by sealing washer (4).
2. The soaking device for the single-sided migration test of the planar food contact material according to claim 1, wherein the wall of the upper part of the soaking pool (1) is provided with a valve air hole (3) and a valve liquid inlet/outlet hole (2).
3. The soaking device for the single-sided migration test of the flat food contact material according to claim 1, wherein the soaking pool (1) is closed at the top end and open at the bottom end.
4. The soaking device for the single-side migration test of the planar food contact material according to claim 1, wherein the base (6) is made of polytetrafluoroethylene plastic, the base is fan-shaped, the opening angle of the fan-shaped opening ranges from 60 degrees to 120 degrees, and the edge of the fan-shaped surface of the base is provided with a plurality of screw rod access holes.
5. The soaking device for the single-side migration test of the planar food contact material according to claim 1, wherein the cover plate (7) is fan-shaped, the opening angle of the fan-shaped opening is 60-120 degrees, and the edge of the fan surface of the cover plate is provided with a plurality of screw rod (8) access holes (10).
6. The soaking device for the single-sided migration test of the planar food contact material as claimed in claim 1, wherein the sealing ring (4) is made of silica gel, is annular in shape, and has a U-shaped cross section.
7. The soaking device for the single-sided migration test of the planar food contact material according to claim 1, wherein the nut (9) and the screw (8) are made of polytetrafluoroethylene plastic.
8. The soaking device for the single-sided migration test of the flat food contact material as claimed in claim 2, wherein the valve air hole (3) is composed of a valve body and a floating plug installed in an inner cavity of the valve body, and an air valve is arranged at an air outlet of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021365794.9U CN212872082U (en) | 2020-07-13 | 2020-07-13 | Soaking device for single-side migration test of planar food contact material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021365794.9U CN212872082U (en) | 2020-07-13 | 2020-07-13 | Soaking device for single-side migration test of planar food contact material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212872082U true CN212872082U (en) | 2021-04-02 |
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ID=75214673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021365794.9U Expired - Fee Related CN212872082U (en) | 2020-07-13 | 2020-07-13 | Soaking device for single-side migration test of planar food contact material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212872082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115032304A (en) * | 2022-05-20 | 2022-09-09 | 中国国检测试控股集团股份有限公司 | Device and method for simulating migration rule of chemical root-resisting agent in root-puncture-resistant waterproof material |
-
2020
- 2020-07-13 CN CN202021365794.9U patent/CN212872082U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115032304A (en) * | 2022-05-20 | 2022-09-09 | 中国国检测试控股集团股份有限公司 | Device and method for simulating migration rule of chemical root-resisting agent in root-puncture-resistant waterproof material |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210402 |
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| CF01 | Termination of patent right due to non-payment of annual fee |