CN212059820U - Multi-point water-resistant and water-permeable-resistant testing device for paint film - Google Patents
Multi-point water-resistant and water-permeable-resistant testing device for paint film Download PDFInfo
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- CN212059820U CN212059820U CN202020294230.4U CN202020294230U CN212059820U CN 212059820 U CN212059820 U CN 212059820U CN 202020294230 U CN202020294230 U CN 202020294230U CN 212059820 U CN212059820 U CN 212059820U
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Abstract
The utility model discloses a paint film is with resistant water of multiple spot position and resistant testing arrangement that permeates water, a serial communication port, include: the testing cavity is provided with first to third glass tubes with scales at intervals, the bottom of the testing cavity reaches the middle part of a film coating test plate to be tested, which is pressed at the bottom of the glass tubes in a sealing mode, and the cross section of the bottom of the testing cavity is a circular cross section. The utility model discloses can be to the test water in the product development process to the infiltration speed of film, the contrast of the speed of the surface accumulation's of the accumulation rate of water and water infiltration can't give effectual contrast.
Description
Technical Field
The utility model belongs to the sample detection field, concretely relates to film is with resistant water of multiple spot position and resistant testing arrangement that permeates water.
Background
In the existing method GB/T9755-. The water resistance and the water permeability resistance of the paint film can be tested only by testing the amount of water permeating through the paint film and the water film surface after the paint film is fully soaked, which is a relatively strict test method, and although the protection effect of the paint film on a substrate can be tested, effective comparison cannot be given to the soaking speed of the water on the surface in the product development process, the water permeability of different points, the water accumulation rate and the permeation speed of the water accumulated on the surface.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the utility model aims to provide a water and resistant testing arrangement that permeates water of multiple spot position for paint film.
In order to realize the utility model discloses an aim, the technical scheme who adopts is:
the utility model provides a water and water resistance test device is resisted with multiple spot position to paint film, includes:
the testing cavity is provided with first to third glass tubes with scales at intervals, the bottom of the testing cavity reaches the middle part of a film coating test plate to be tested, which is pressed at the bottom of the glass tubes in a sealing mode, and the cross section of the bottom of the testing cavity is a circular cross section.
In a preferred embodiment of the present invention, the scale of the glass tube is 0-5 ml.
In a preferred embodiment of the present invention, the scale of the glass tube is 0.1 ml.
In a preferred embodiment of the present invention, the inner diameter of the glass tube is 5mm, the outer diameter is 7mm, and the rubber gasket is installed at the bottom of the glass tube, so that the bottom of the glass tube is sealed and pressed at the middle part of the test board to be tested.
In a preferred embodiment of the invention, the diameter of the circular cross section is 80 mm.
In a preferred embodiment of the present invention, the height of the test cavity is 45 mm.
In a preferred embodiment of the invention, the total device height is 350 mm.
The beneficial effects of the utility model reside in that:
the utility model discloses can be to the infiltration speed of the water on the surface in the product development process, the rate of permeating water of difference, the contrast of the speed of the surface accumulation's of the accumulation rate of water and water surface accumulation can't give effectual contrast.
Drawings
Fig. 1 is a schematic structural diagram of the prior art.
Fig. 2 is a schematic structural diagram of the present invention.
Detailed Description
The structure and the working principle of the present invention are further explained by the following embodiments:
as shown in fig. 1, a funnel-shaped glass device 10 is sealed in the middle of a coated test panel 20 to be tested, and test water is injected into a graduated tube 11. The water resistance and the water permeability resistance of the paint film surface 20a can only be tested by testing the penetration amount of water after the paint film surface is fully soaked, which is a relatively rigorous testing method, and although the protection effect of the paint film on a substrate can be tested, effective comparison cannot be given to the penetration speed of the water on the surface in the product development process, the water accumulation rate and the penetration speed of the water accumulated on the surface.
The structure of the utility model is as shown in fig. 2, and the multi-point water-resistant and water-permeable-resistant testing device 200 for the paint film shown in fig. 2 comprises a testing cavity 210 for testing, and the height of the testing cavity 210 is 45 mm.
The bottom 211 of the testing cavity 210 and the bottoms 221, 231, 241 of the glass tubes 220, 230, 240 are sealed and pressed at the middle part 310 of the coated test board 300 to be tested, wherein the rubber gaskets 222, 232, 242 are mounted at the bottom ends 221, 231, 241 of the glass tubes 220, 230, 240, so that the bottoms of the glass tubes 220, 230, 240 are sealed and pressed at the middle part 310 of the coated test board 300 to be tested.
The cross-section at the bottom 211 of the test cavity 210 is a circular cross-section with a diameter of 80mm and the height of the test cavity 210 is additionally 45 mm. The overall height of the device 200 is 350 mm.
Because of possessing the above structure, the utility model discloses a theory of operation lies in:
when the bottom 211 of the test cavity 210 and the bottoms 221, 231, 241 of the glass tubes 220, 230, 240 are in contact with the paint film surface 310 of the paint film test plate 300, the rubber gaskets 222, 232, 242 at the bottoms 221, 231, 241 of the glass tubes 220, 230, 240 at three different points are tightly pressed against the paint film surface, and the edges are sealed against water leakage. Water was injected into the top 0ml mark through the glass tubes 220, 230, 240.
Since the bottom ends 221, 231, 241 of each glass tube 220, 230, 240 are of relatively small diameter, when water is added, the water gradually wets and penetrates the surface of the paint film, with spreading penetration along the surface to the outside of the bottom ends 221, 231, 241 of the glass tubes and penetration through the paint film into the substrate 400. Thus, the spreading penetration rate of the paint film surface and the penetration rate of the paint film through at three different points can be seen simultaneously.
The device overcomes the defects that the whole paint film transmission rate can only be tested originally, and sometimes, the test generates larger errors due to local paint film defects. And can simultaneously characterize the surface spread and the transmission rate. The method is an important testing tool in the product development process.
Claims (7)
1. The utility model provides a water and water resistance testing arrangement is resisted with multiple spot position to paint film which characterized in that includes:
the testing cavity is provided with first to third glass tubes with scales at intervals, the bottom of the testing cavity reaches the middle part of a film coating test plate to be tested, which is pressed at the bottom of the glass tubes in a sealing mode, and the cross section of the bottom of the testing cavity is a circular cross section.
2. The multi-point water and water resistance test device for paint films according to claim 1, wherein the scale of the glass tube is 0-5 ml.
3. The multi-point water and water resistance test device for paint films according to claim 1, wherein the scale of the glass tube is 0.1 ml.
4. The multi-point water and water resistance testing device for paint films as claimed in claim 1, wherein the inner diameter of the glass tube is 5mm, the outer diameter is 7mm, and a rubber gasket is arranged at the bottom end of the glass tube, so that the bottom of the glass tube is sealed and pressed on the middle part of a paint film test board to be tested.
5. The multi-point water and water resistance test device for paint films according to claim 1, wherein the diameter of the circular cross section is 80 mm.
6. The multi-point water and water resistance test device for paint films according to claim 1, wherein the height of the test cavity is 45 mm.
7. The multi-point water and water resistance test device for paint films according to claim 1, wherein the total height of the device is 350 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020294230.4U CN212059820U (en) | 2020-03-11 | 2020-03-11 | Multi-point water-resistant and water-permeable-resistant testing device for paint film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020294230.4U CN212059820U (en) | 2020-03-11 | 2020-03-11 | Multi-point water-resistant and water-permeable-resistant testing device for paint film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212059820U true CN212059820U (en) | 2020-12-01 |
Family
ID=73532032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020294230.4U Active CN212059820U (en) | 2020-03-11 | 2020-03-11 | Multi-point water-resistant and water-permeable-resistant testing device for paint film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212059820U (en) |
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2020
- 2020-03-11 CN CN202020294230.4U patent/CN212059820U/en active Active
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