CN210243430U - Migration test pool seal structure - Google Patents
Migration test pool seal structure Download PDFInfo
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- CN210243430U CN210243430U CN201920622247.5U CN201920622247U CN210243430U CN 210243430 U CN210243430 U CN 210243430U CN 201920622247 U CN201920622247 U CN 201920622247U CN 210243430 U CN210243430 U CN 210243430U
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Abstract
The utility model provides a migration test cell seal structure belongs to food detection device technical field, including test cell body and seal structure, the test cell body includes from last apron, division wall, base and the clamping component that sets gradually extremely down, seal structure including locate the sealing washer on the division wall, establish at the apron with sealed spacer ring subassembly and spring seal between the base. The utility model provides a pair of migration test tank seal structure, sealing washer, sealed spacer ring subassembly and spring seal circle three have formed the three sealings to the division wall, and seal structure dismantles the convenience on the test tank body, when guaranteeing to carry out the migration test to the food liquid that awaits measuring, has improved the sealing performance to the division wall, improves the migration efficiency of software testing to the food liquid that awaits measuring.
Description
Technical Field
The utility model belongs to the technical field of food detection device, more specifically say, relate to a migration test pond seal structure.
Background
In the national food safety standards, the evaluation of the safety and hygiene compliance of food contact materials is mainly performed by a simulated migration test, which is generally performed in a migration test cell. However, the existing migration testing pool generally comprises a cover plate, a base and a partition wall, and a clamping mechanism is further arranged on the cover plate and the base for clamping the partition wall for testing. The existing migration test tank is usually sealed by sealing rings arranged on the upper end surface and the lower end surface of a partition wall, the sealing performance is poor, particularly, when the migration test of food liquid is carried out, the sealing requirement on the partition wall is very strict, and then the common partition wall or the migration test tank cannot meet the test requirement, or test data after the test is unstable, so that the test result of the food liquid to be tested is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a migration test pond seal structure to the migration test pond sealing performance who exists among the solution prior art is bad, and test data is unstable, influences the technical problem of test result.
In order to achieve the above object, the utility model adopts the following technical scheme: a sealing structure of a migration test cell is provided, which comprises
The testing tank body is used for carrying out migration testing on food liquid to be tested and comprises a cover plate, a separation wall and a base which are sequentially arranged from top to bottom, and a clamping assembly used for clamping the cover plate and the base;
the sealing structure is used for sealing the partition wall, and comprises sealing rings arranged on the upper end surface and the lower end surface of the partition wall, a sealing spacer ring assembly arranged between the cover plate and the base and a spring sealing ring arranged on the outer side of the clamping assembly and used for sealing the cover plate and the edge of the base.
Further, the sealing spacer ring assembly comprises a first sealing spacer ring and a second sealing spacer ring, the first sealing spacer ring and the second sealing spacer ring are limited through first clamping grooves formed in the opposite surfaces of the cover plate and the base, and the first sealing spacer ring and the second sealing spacer ring are concentrically arranged and have different diameters.
Further, the spring sealing ring comprises a spring part clamped between the cover plate and the base and a special-shaped sealing ring fixedly arranged on the outer side of the spring part; the spring part is compressed by means of the compression of the clamping assembly, and the profiled sealing ring is used for sealing a gap between the cover plate and the base; the special-shaped sealing ring is pressed by the clamping assembly and is attached to the outer side walls of the cover plate and the base.
Furthermore, the sealing ring is limited by a second clamping groove formed in the upper end surface and the lower end surface of the isolation wall, the thickness of the sealing ring is larger than the depth of the second clamping groove, and the sealing ring is higher than the end surface of the isolation wall.
Further, the first and second packing rings each include
The flexible lantern ring is hollow, and the upper end and the lower end of the flexible lantern ring are provided with openings;
the spring part is annular and is sleeved in the hollow structure of the flexible lantern ring;
sealed pad is the annular, sealed pad is including linking firmly respectively the upper seal pad and the lower seal pad of terminal surface about the flexible lantern ring, the upper seal pad passes through first draw-in groove chucking is in on the apron, the lower seal pad passes through first draw-in groove chucking is in on the base, the spring part with the help of clamping unit compress tightly and compress.
Further, the thickness of the inner side edge of the special-shaped sealing ring is smaller than that of the outer side edge.
Furthermore, the opposite end faces of the cover plate and the base are provided with stepped cylindrical grooves, and the cylindrical grooves are used for containing the partition walls with different diameters.
Furthermore, the lateral part of division wall is equipped with inlet and relief port, the inlet with all be equipped with the end cap on the relief port.
Furthermore, the bottom of base is equipped with a plurality of adjustable supports.
The utility model provides a pair of migration test pool seal structure's beneficial effect lies in: compared with the prior art, the sealing structure of the migration testing pool of the utility model is provided with the sealing structure on the testing pool body for sealing the isolation wall, in the test process, the isolation wall is kept in a good sealing state, the sealing ring, the sealing spacer ring assembly and the spring sealing ring form three seals for the isolation wall, the sealing structure is convenient to disassemble on the test pool body, the migration test of the food liquid to be tested is ensured, meanwhile, the sealing performance of the isolation wall is improved, the test result is more practical, the test result of the food liquid to be tested is stable, the technical problems that the migration test tank has poor sealing performance, the test data is unstable and the test result is influenced are solved, the utility model has the advantages that the sealing performance of the test tank body is good, the test result of the food liquid to be tested is stable, and meanwhile, the technical effect of the migration test efficiency of the food liquid to be tested can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic cross-sectional structural view of a sealing structure of a migration testing tank according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure view of a first seal spacer ring or a second seal spacer ring of a migration test pool seal structure provided by an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals: 1. a test cell body; 11. a cover plate; 111. a cylindrical groove; 112. a first card slot; 12. a partition wall; 121. a second groove; 122. a liquid inlet; 123. an air release port; 13. a base; 131. an adjustable support; 1311. a sleeve; 1312. adjusting screws; 14. a clamping assembly; 2. a sealing structure; 21. a seal ring; 22. a seal spacer ring assembly; 221. a first seal spacer ring; 2211. a flexible collar; 2212. a spring member; 2213. a gasket; 2214. an upper seal gasket; 2215. a lower seal gasket; 222. a second seal spacer ring; 23. a spring seal ring; 231. a spring portion; 232. a special-shaped sealing ring.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-2, a sealing structure of a migration testing tank according to an embodiment of the present invention will now be described. The sealing structure of the migration test pool comprises a test pool body 1 and a sealing structure 2;
the testing tank body 1 is used for carrying out migration testing on food liquid to be tested, and the testing tank body 1 comprises a cover plate 11, a partition wall 12 and a base 13 which are sequentially arranged from top to bottom, and a clamping assembly 14 for clamping the cover plate 11 and the base 13; the test pool body 1 is different from the test pool in the prior art, the cylindrical groove 111 is arranged on the opposite end surfaces of the cover plate 11 and the base 13, the cover plate 11 and the base 13 can be suitable for the partition walls 12 with various diameters or specifications, and the cover plate 11 and the base 13 are firmly clamped and have good sealing performance;
the sealing structure 2 is used for sealing the partition wall 12, and the sealing structure 2 comprises sealing rings 21 arranged on the upper end surface and the lower end surface of the partition wall 12, a sealing spacer ring assembly 22 arranged between the cover plate 11 and the base 13, and a spring sealing ring 23 arranged on the outer side of the clamping assembly 14 and used for sealing the edges of the cover plate 11 and the base 13. The sealing ring 21 is an O-shaped sealing ring, the sealing spacer ring assembly 22 is different from the prior art, no matter how large the distance between the cover plate 11 and the base 13 is, in the range of the action of the clamping assembly 14, the sealing spacer ring assembly 22 can both play a role of contacting the cover plate 11 or the base 13, the sealing structure 2 plays a good protection role in sealing the partition wall 12, three or more sealing structures 2 for the partition wall 12 are formed, and the sealing performance for the partition wall 12 is improved. The spring seal ring 23 is a special-shaped seal ring 21 which can be deformed by pressing between the cover plate 11 and the base 13, and the special-shaped seal ring 21 can be contacted with the cover plate 11 or the base 13 after being deformed or pressed, so that the sealing effect is ensured.
Compared with the prior art, the migration test pool sealing structure provided by the embodiment of the utility model is characterized in that the sealing structure 2 is arranged on the test pool body 1 and is used for sealing the isolation wall 12, the isolation wall 12 is kept in a good sealing state in the test process, the sealing ring 21, the sealing ring assembly 22 and the spring sealing ring 23 form three seals for the isolation wall 12, the sealing structure 2 is convenient to disassemble on the test pool body 1, the sealing performance of the isolation wall 12 is improved while the migration test of the food liquid to be tested is ensured, the test result is more practical, the test result of the food liquid to be tested is stable, the technical problems of poor sealing performance of the migration test pool, unstable test data and influence on the test result are solved, the utility model has the advantages of good sealing performance of the test pool body 1 and stable test result of the food liquid to be tested, meanwhile, the technical effect of the migration testing efficiency of the food liquid to be tested can be improved.
The embodiment of the utility model provides a pair of migration test cell seal structure is applied to the test to food contact material, sets up sealing washer 21 at the upper and lower terminal surface of division wall 12, sets up sealed spacer ring subassembly 22 and spring seal 23 between apron 11 and base 13, strengthens the sealing performance to division wall 12, has constituteed three or multichannel seal structure 2 to division wall 12, has guaranteed to carry out the leakproofness of migration test to food liquid, has improved the degree of accuracy of test result. The cover plate 11 and the middle part of the outer side end face of the base 13 are provided with protrusions which are used for increasing the thickness of the cover plate 11 and the thickness of the base respectively.
As an embodiment of the present invention, please refer to fig. 1, the seal spacer assembly 22 includes a first seal spacer 221 and a second seal spacer 222, the first seal spacer 221 and the second seal spacer 222 are both limited by a first slot 112 disposed on the cover plate 11 and the opposite surface of the base 13, and the first seal spacer 221 and the second seal spacer 222 are concentrically disposed and have different diameters. All be equipped with first draw-in groove 112 on apron 11 and base 13, first draw-in groove 112 is the annular groove from top to bottom and just to arranging for with the upper and lower end chucking of first sealed spacer ring 221 and second sealed spacer ring 222, through the regulation of the distance between apron 11 and the base 13, first sealed spacer ring 221 and second sealed spacer ring 222 all can be spacing in first draw-in groove 112, can not squint or deviate from, like this at regulation clamping assembly 14 in-process, can play good seal to division wall 12. In addition, when the height of the partition wall 12 is not uniform, the distance between the cover plate 11 and the base 13 is not uniform, and by means of the adjustment of the clamping assembly 14, the upper and lower ends of the first and second seal spacers 221 and 222 are both in contact with or abut against the cover plate 11 or the base 13, and the sealing effect on the partition wall 12 is obvious. The first and second seal spacers 221 and 222 have different diameters and the same structure, and have a double-sealing effect on the partition wall 12.
As a specific implementation manner of the sealing structure of the migration testing tank provided by the embodiment of the present invention, please refer to fig. 1, the spring sealing ring 23 includes a spring portion 231 clamped between the cover plate 11 and the base 13 and a special-shaped sealing ring 232 fixedly disposed outside the spring portion 231; the spring portion 231 is compressed by the pressing of the clamping assembly 14, and the profiled sealing ring 232 is used for sealing the gap between the cover plate 11 and the base 13; the profiled sealing ring 232 is pressed by the clamping assembly 14 and abuts against the outer side walls of the cover plate 11 and the base 13. The spring seal ring 23 can also play a role in sealing after being compressed, the upper and lower end faces of the spring part 231 are in contact with or abutted against the cover plate 11 and the base 13, because of the existence of friction force, in the process of adjusting the clamping assembly 14, the spring is always in contact with the cover plate 11 or the base 13, the spring part cannot be separated from the cover plate 11 or the base 13, and along with the reduction of the gap between the cover plate 11 and the base 13, the spring part 231 is compressed, the special-shaped seal ring 232 can be close to the side parts of the cover plate 11 and the base 13, the smaller the interval is, and the stronger the sealing effect of.
As an embodiment of the present invention provides a specific implementation manner of migration test pool seal structure, please refer to fig. 1, the sealing ring 21 is limited by the second clamping groove 121 disposed on the upper and lower end surfaces of the partition wall 12, the thickness of the sealing ring 21 is greater than the depth of the second clamping groove 121, and the sealing ring 21 is higher than the end surface of the partition wall 12. The sealing ring 21 on the partition wall 12 is clamped through the second clamping groove 121, the second groove 121 is leaked from the upper end face of the sealing ring 21, the sealing ring 21 contacts the cover plate 11 or the base 13 firstly in the contact process of the cover plate 11 or the base 13 and the partition wall 12, the sealing ring 21 deforms after being subjected to extrusion force, the contact area between the sealing ring 21 and the cover plate 11 or the base 13 is increased, and the sealing performance between the partition wall 12 and the cover plate 11 or the base 13 is improved.
As a specific implementation manner of the migration testing pool sealing structure provided by the embodiment of the present invention, please refer to fig. 1-2, the first sealing spacer ring 221 and the second sealing spacer ring 222 both include a flexible sleeve ring 2211, a spring member 2212 and a sealing gasket 2213;
the flexible sleeve 2211 is of a hollow structure, and the upper end and the lower end of the flexible sleeve are provided with openings; the flexible collar 2211 is a hollow annular structure;
the spring member 2212 is annular and is sleeved in the hollow structure of the flexible sleeve ring 2211; the spring member 2212 is sleeved in the hollow flexible sleeve ring 2211, the spring member 2212 can deform or compress after being subjected to radial acting force, the compression or expansion of the flexible sleeve ring 2211 can be pushed in the compression or rebound process of the spring member 2212, and therefore by means of the elasticity of the spring member 2212, the sealing gasket 2213 is always in contact with the cover plate 11 or the base 13, and the sealing effect of the isolation wall 12 is guaranteed.
A sealing gasket 2213 in a ring shape, the sealing gasket 2213 includes an upper sealing gasket 2214 and a lower sealing gasket 2215 which are fixedly connected to the upper and lower end faces of the flexible sleeve ring 2211, the upper sealing gasket 2214 is clamped on the cover plate 11 through the first clamping groove 112, the lower sealing gasket 2215 is clamped on the base 13 through the first clamping groove 112, and the spring element 2212 is compressed by means of the compression of the clamping assembly 14. The sealing pad 2213 is clamped in the first slot 112, and when the spring member 2212 compresses or rebounds, the flexible sleeve 2211 compresses or rebounds, which is consistent with the action of the spring member 2212. By means of the elasticity of the spring 2212, the upper sealing pad 2214 or the lower sealing pad 2215 is respectively contacted with or abutted against the cover plate 11 or the base 13, and in the pressing process of the clamping assembly 14, the combined action of the flexible sleeve 2211 and the sealing pad 2213 plays a role in sealing the partition wall 12, so that the sealing effect is improved.
As an embodiment of the present invention provides a specific implementation manner of a migration testing pool sealing structure, please refer to fig. 1, the inside edge thickness of the special-shaped sealing ring 232 is less than the outside edge thickness. The inner side edge of the special-shaped sealing ring 232 is fixedly connected with the spring part 231, the outer side edge of the special-shaped sealing ring 232 is in contact with or attached to the cover plate 11 or the base 13, when the clamping assembly 14 is adjusted or the distance between the cover plate 11 and the base 13 is changed, the special-shaped sealing ring 232 can be in contact with the cover plate 11 or the base 13, and therefore the sealing effect on the partition wall 12 can be improved in the testing process. The special-shaped sealing ring 232 can not be separated from the cover plate 11 or the base 13 due to the action of friction force after being pressed or changed in shape.
As an embodiment of the present invention provides a specific implementation manner of a migration test pool seal structure, please refer to fig. 1, the cover plate 11 with the relative terminal surface of the base 13 is equipped with the cylindrical groove 111 of step shape, the cylindrical groove 111 is used for holding different diameters the partition wall 12. Through the cylindrical groove 111 inner wall of the step form that is equipped with, be applicable to the installation of the division wall 12 of different diameters or specification, also can play the spacing effect of division wall 12 circumference simultaneously, the structure of apron 11 or base 13 is different with prior art for this test cell body 1's sealing performance is better.
As a specific implementation manner of the sealing structure of the migration testing tank provided by the embodiment of the present invention, please refer to fig. 1, the lateral portion of the partition wall 12 is provided with an inlet 122 and an air release port 123, and the inlet 122 and the air release port 123 are both provided with plugs. The food liquid to be tested can be injected into the separation wall 12 through the liquid inlet 122, and the gas in the separation wall 12 can be discharged through the gas outlet 123 after the test is finished. The plug is used during the test to plug the inlet 122 and outlet 123, respectively.
As an embodiment of the utility model provides a concrete implementation of migration test pool seal structure please refer to fig. 1, the bottom of base 13 is equipped with a plurality of adjustable support 131, and the quantity of adjustable support 131 is 4, evenly locates the bottom of base 13 can adjust the height of base 13 through adjustable support 131.
As a specific implementation manner of the sealing structure of the migration testing tank provided in the embodiment of the present invention, the adjustable support 131 includes a sleeve 1311 and an adjusting screw 1312;
one end of the sleeve 1311 is fixedly arranged at the bottom end of the base 13 and is provided with an internal thread; an adjusting screw 1312 is sleeved in the sleeve 1311 and is in threaded connection with the sleeve 1311. The adjusting screw 1312 is in threaded connection with the sleeve 1311, so that the mounting and dismounting are convenient, and the adjustment is smooth.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a migration test pond seal structure which characterized in that: comprises that
The testing tank body is used for carrying out migration testing on food liquid to be tested and comprises a cover plate, a separation wall and a base which are sequentially arranged from top to bottom, and a clamping assembly used for clamping the cover plate and the base;
the sealing structure is used for sealing the partition wall, and comprises sealing rings arranged on the upper end surface and the lower end surface of the partition wall, a sealing spacer ring assembly arranged between the cover plate and the base and a spring sealing ring arranged on the outer side of the clamping assembly and used for sealing the cover plate and the edge of the base.
2. The migration test cell sealing structure of claim 1, wherein: the sealing spacer ring assembly comprises a first sealing spacer ring and a second sealing spacer ring, the first sealing spacer ring and the second sealing spacer ring are arranged on the cover plate and are limited by first clamping grooves in the opposite surfaces of the base, and the first sealing spacer ring and the second sealing spacer ring are concentrically arranged and have different diameters.
3. The migration test cell sealing structure of claim 1, wherein: the spring sealing ring comprises a spring part clamped between the cover plate and the base and a special-shaped sealing ring fixedly arranged on the outer side of the spring part; the spring part is compressed by means of the compression of the clamping assembly, and the profiled sealing ring is used for sealing a gap between the cover plate and the base; the special-shaped sealing ring is pressed by the clamping assembly and is attached to the outer side walls of the cover plate and the base.
4. The migration test cell sealing structure of claim 1, wherein: the sealing ring is limited by second clamping grooves formed in the upper end surface and the lower end surface of the isolation wall, the thickness of the sealing ring is larger than the depth of the second clamping grooves, and the sealing ring is higher than the end surface of the isolation wall.
5. The migration test cell sealing structure of claim 2, wherein: the first and second seal spacers each comprise
The flexible lantern ring is hollow, and the upper end and the lower end of the flexible lantern ring are provided with openings;
the spring part is annular and is sleeved in the hollow structure of the flexible lantern ring;
sealed pad is the annular, sealed pad is including linking firmly respectively the upper seal pad and the lower seal pad of terminal surface about the flexible lantern ring, the upper seal pad passes through first draw-in groove chucking is in on the apron, the lower seal pad passes through first draw-in groove chucking is in on the base, the spring part with the help of clamping unit compress tightly and compress.
6. A migration test cell sealing structure according to claim 3, wherein: the thickness of the inner side edge of the special-shaped sealing ring is smaller than that of the outer side edge.
7. The migration test cell sealing structure of claim 1, wherein: the cover plate and the opposite end faces of the base are provided with stepped cylindrical grooves, and the cylindrical grooves are used for containing the partition walls with different diameters.
8. The migration test cell sealing structure of claim 1, wherein: the lateral part of the partition wall is provided with a liquid inlet and an air release port, and the liquid inlet and the air release port are both provided with plugs.
9. The migration test cell sealing structure of claim 1, wherein: the bottom of base is equipped with a plurality of adjustable supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920622247.5U CN210243430U (en) | 2019-04-30 | 2019-04-30 | Migration test pool seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920622247.5U CN210243430U (en) | 2019-04-30 | 2019-04-30 | Migration test pool seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210243430U true CN210243430U (en) | 2020-04-03 |
Family
ID=69969763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920622247.5U Active CN210243430U (en) | 2019-04-30 | 2019-04-30 | Migration test pool seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210243430U (en) |
-
2019
- 2019-04-30 CN CN201920622247.5U patent/CN210243430U/en active Active
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