Jig for testing waterproof performance of waterproof breathable film
By designing a multi-layer structure waterproof and breathable membrane test fixture, the problem of deformation and damage of the waterproof and breathable membrane during the test process is solved, and more stable test results are achieved.
Patent Information
- Application Number
- CN202421977946.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-14
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-08-14
AI Technical Summary
The existing waterproof performance testing methods for waterproof breathable membranes are not accurate enough, and are prone to deformation or damage during the test, resulting in unstable test results.
A waterproof and breathable membrane waterproof performance test fixture was designed, including a multi-layer structure composed of aluminum plate layer and acrylic layer. It is connected by screws to set up water inlet holes, test holes and observation holes, and the waterproof and breathable membrane is fixed with rubber rings to avoid deformation and damage.
Improve the testing stability and efficiency of the waterproof and breathable membrane, avoid deformation and damage, and ensure the accuracy of the test results.
Smart Images
Figure CN223259517U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of testing fixtures, and in particular relates to a testing fixture for the waterproof performance of a waterproof and breathable membrane. Background Art
[0002] The waterproof performance test of waterproof breathable membranes mainly adopts the random inspection method. At present, the waterproof performance test of waterproof breathable membranes relies on large equipment or adopts the direct water spray test method. However, the test results of waterproof breathable membranes in this way are often not accurate enough. The structural strength of waterproof breathable membranes is not great. When tested in the above method, the membranes are easily deformed and damaged during the test, so accurate measurement cannot be made. Therefore, a waterproof performance test fixture with a simple structure is needed to prevent the waterproof breathable membrane from being deformed and damaged. Utility Model Content
[0003] In order to solve the deficiencies in the prior art, the utility model provides a waterproof breathable membrane waterproof performance testing fixture with a simple structure, which makes the waterproof breathable membrane not easily deformed and damaged and can test the waterproof performance of the waterproof breathable membrane stably.
[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:
[0005] A jig for testing the waterproof performance of a waterproof breathable membrane comprises a first jig layer, a second jig layer and a third jig layer arranged in sequence from bottom to top, wherein the first jig layer, the second jig layer and the third jig layer are connected by a plurality of screws, the first jig layer and the third jig layer are both aluminum plate layers, the second jig layer is an acrylic layer, the front and rear sides of the first jig layer are respectively provided with at least one first water inlet hole and a second water inlet hole, at least one first test hole is provided downwardly on the front side of the top surface of the first jig layer, and at least one second test hole is provided downwardly on the rear side of the top surface of the first jig layer, the first test hole and the first water inlet hole are arranged in one-to-one correspondence and the corresponding first test hole is connected to the first water inlet hole, and the second test hole is connected to the second water inlet hole The second test holes are arranged in a one-to-one correspondence and are connected to the second water inlet hole. At least one third test hole is provided downwardly on the front side of the top surface of the second jig layer, and at least one fourth test hole is provided downwardly on the rear side of the top surface of the second jig layer. The number of the third test holes is equal to that of the first test holes and they are arranged in a one-to-one correspondence. The number of the fourth test holes is equal to that of the second test holes and they are arranged in a one-to-one correspondence. At least one first observation hole is provided downwardly on the front side of the top surface of the third jig layer, and at least one second observation hole is provided downwardly on the rear side of the top surface of the third jig layer. The number of the first observation hole and the third test hole is equal and they are arranged in a one-to-one correspondence. The number of the second observation hole and the fourth test hole is equal and they are arranged in a one-to-one correspondence. A rubber ring is provided between the second jig layer and the first jig layer.
[0006] Preferably, the diameters of the first test hole, the third test hole and the fourth test hole are 2 mm, the diameter of the second test hole is 1.5 mm, the diameters of the first observation hole and the second observation hole are 6 mm, the thickness of the first fixture layer is 20 mm, and the depths of the first side test hole and the second test hole are 10 mm.
[0007] By adopting the above technical solution, the utility model has the following beneficial effects:
[0008] When the utility model is used, the waterproof breathable membrane to be tested can be placed in the utility model, and then the first water inlet hole and the second water inlet hole are connected to let water in, and the first observation hole and the second observation hole are used to observe whether there is water seepage. The structure is simple, and the waterproof breathable membrane can be pressed and unfolded by the second jig layer and the third jig layer and other components for testing, and is not easy to deform or damage, thereby improving the test efficiency and test stability;
[0009] In summary, the utility model has the advantages of simple structure, making the waterproof and breathable membrane not easy to deform and damage, and stable testing. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a structural diagram of the utility model;
[0011] Figure 2 It is a top view of the first jig layer of the utility model;
[0012] Figure 3 It is a top view of the second fixture layer of the present invention;
[0013] Figure 4 This is a top view of the third fixture layer of the present invention. DETAILED DESCRIPTION
[0014] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0015] The components of the embodiments of the present invention generally described and shown in the drawings herein may be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention.
[0016] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.
[0017] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0018] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0019] Example 1
[0020] In this embodiment, a waterproof breathable membrane waterproof performance test fixture is provided, which can effectively test the waterproof breathable membrane, has a simple overall structure, and does not damage the waterproof breathable membrane itself.
[0021] like Figure 1-4 As shown, in one embodiment of the present invention, the waterproof breathable membrane waterproof performance test jig of the present invention includes a first jig layer 1, a second jig layer 2 and a third jig layer 3 arranged in sequence from bottom to top, wherein the first jig layer 1, the second jig layer 2 and the third jig layer 3 are connected by a plurality of screws. Specifically, in the present invention, the first jig layer 1, the second jig layer 2 and the third jig layer 3 are respectively provided with two screw holes on the left and right parts, and then the first jig layer 1, the second jig layer 2 and the third jig layer 3 are connected by four screws, and the screw holes are all 6mm through holes, using M5 tapping.
[0022] The first fixture layer 1 and the third fixture layer 3 of the utility model are both aluminum plate layers, the second fixture layer 2 is an acrylic layer, the thickness of the first fixture layer 1 is 20 mm, the thickness of the second fixture layer 2 is 2 mm, and the thickness of the third fixture layer 3 is 5 mm. The front and rear sides of the first fixture layer 1 are respectively provided with at least one first water inlet hole 4 and a second water inlet hole 5. The front side of the top of the first fixture layer 1 is provided with at least one first test hole 6 downwardly, and the rear side of the top of the first fixture layer 1 is provided with at least one second test hole 7 downwardly. The first test hole 6 is provided in one-to-one correspondence with the first water inlet hole 4 and The corresponding first test hole 6 is connected to the first water inlet hole 4, the second test hole 7 is set in one-to-one correspondence with the second water inlet hole 5 and the corresponding second test hole 7 is connected to the second water inlet hole 5, the second fixture layer 2 has at least one third test hole 8 downwardly provided on the front side of the top surface, and the second fixture layer 2 has at least one fourth test hole 9 downwardly provided on the back side of the top surface. The number of the third test holes 8 is equal to that of the first test holes 6 and is set in one-to-one correspondence. The number of the fourth test holes 9 is equal to that of the second test holes 7 and is set in one-to-one correspondence. The third fixture layer 3 has at least one third test hole 8 downwardly provided on the front side of the top surface. There is at least one first observation hole 10, and at least one second observation hole 11 is downwardly provided on the rear side of the top surface of the third fixture layer 3. The number of the first observation hole 10 and the third test hole 8 is equal and one-to-one corresponding. The number of the second observation hole 11 and the fourth test hole 9 is equal and one-to-one corresponding. A rubber ring is provided between the second fixture layer 2 and the first fixture layer 1. Specifically in the present utility model, the first test hole 6, the second test hole 7, the third test hole 8, the fourth test hole 9, the first observation hole 10, the second observation hole 11, the first water inlet hole 4 and the second water inlet hole 5 There are 5 of them and they are evenly distributed. The center distance between adjacent first water inlet holes and first water inlet holes 4 is 20 mm. The diameters of the first test hole 6, the third test hole 8 and the fourth test hole 9 are 2 mm. The diameter of the second test hole 7 is 1.5 mm. The diameters of the first observation hole 10 and the second observation hole 11 are 6 mm. The depths of the first side test hole 4 and the second test hole 7 are 10 mm. Connectors are provided on the first water inlet hole 4 and the second water inlet hole 5, which can be connected to an external leakage detector, and the leakage detector can perform high water pressure shock tests.
[0023] The specific use process of this utility model is as follows:
[0024] First, a waterproof breathable membrane sample cut into a certain size (that is, the water-retaining breathable membrane to be tested) is fixed on the first jig layer through a rubber ring. Then the second jig layer 2, that is, the acrylic layer, acts on the waterproof breathable membrane sample to play a buffering and protective role to prevent the membrane material from deforming.
[0025] Then put the third jig layer on top, and tighten the first jig layer 1, the second jig layer 2, and the third jig layer 3 with screws. The number of turns and torque used for tightening are consistent so that the gaps around the utility model are consistent in size to avoid water leakage and test failure.
[0026] Then connect the first water inlet hole 4 and the second water inlet hole 5 to the leakage detector and start the leakage detector. Water flows into the first test hole 6 and the second test hole 7 through the first water inlet hole 4 and the second water inlet hole 5, and then continues to pass through the first test hole 6 and the second test hole 7 to hit the surface of the waterproof breathable membrane. Within a certain period of time, observe through the first observation hole 10 and the second observation hole 11. If there is no water seepage on the side of the waterproof breathable membrane that is not in contact with water, the test is completed and the test result is qualified. If there is water seepage, the test is completed and the test result is unqualified. During the test, water passes through the waterproof breathable membrane. The test fails due to leakage of the water-permeable membrane through the middle of the rubber ring and the first jig layer 1 or deformation of the membrane material, and needs to be retested. The test sample is fixed by the utility model to prevent the waterproof breathable membrane from deforming and leaking when subjected to high water pressure impact, thereby affecting the test results. The utility model does not need to contact the diaphragm and adhesive layer of the waterproof breathable membrane, which can effectively prevent human factors from damaging the waterproof breathable membrane or contaminating the adhesive layer. The high bonding strength can effectively prevent the membrane material from being deformed due to excessive water pressure when water contacts the waterproof breathable membrane during the test, thereby improving the test efficiency and test stability.
[0027] This embodiment does not impose any formal restrictions on the shape, material, structure, etc. of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the utility model are within the scope of protection of the technical solution of the utility model.
Claims
1. A test fixture for waterproof breathable membrane waterproof performance, characterized by: The utility model comprises a first jig layer, a second jig layer and a third jig layer arranged in sequence from bottom to top, wherein the first jig layer, the second jig layer and the third jig layer are connected by a plurality of screws, the first jig layer and the third jig layer are both aluminum plate layers, the second jig layer is an acrylic layer, the front side and the rear side of the first jig layer are respectively provided with at least one first water inlet hole and a second water inlet hole, the front side of the top surface of the first jig layer is provided with at least one first test hole downwardly, the rear side of the top surface of the first jig layer is provided with at least one second test hole downwardly, the first test hole and the first water inlet hole are arranged in one-to-one correspondence and the corresponding first test hole is connected to the first water inlet hole, the second test hole and the second water inlet hole are arranged in one-to-one correspondence and The corresponding second test hole is connected to the second water inlet hole, at least one third test hole is provided downwardly on the front side of the top surface of the second jig layer, and at least one fourth test hole is provided downwardly on the rear side of the top surface of the second jig layer. The number of the third test holes is equal to that of the first test holes and they are arranged one-to-one, and the number of the fourth test holes is equal to that of the second test holes and they are arranged one-to-one. At least one first observation hole is provided downwardly on the front side of the top surface of the third jig layer, and at least one second observation hole is provided downwardly on the rear side of the top surface of the third jig layer. The number of the first observation hole and the third test hole is equal and they are arranged one-to-one, and the number of the second observation hole and the fourth test hole is equal and they are arranged one-to-one. A rubber ring is provided between the second jig layer and the first jig layer.
2. The waterproof breathable membrane waterproof performance test fixture according to claim 1, characterized in that: The diameters of the first test hole, the third test hole and the fourth test hole are 2 mm, the diameter of the second test hole is 1.5 mm, the diameters of the first observation hole and the second observation hole are 6 mm, the thickness of the first fixture layer is 20 mm, and the depths of the first side test hole and the second test hole are 10 mm.