CN219532853U - Waterproof testing arrangement of film - Google Patents

Abstract

The utility model relates to a film waterproof test device, which comprises at least one clamp, a test box for containing water and the clamp, wherein the clamp comprises a first body with a groove on the lower surface and a second body with a convex part on the upper surface, the top wall of the groove is provided with a through water injection hole, the upper surface of the convex part is provided with a water storage groove which is concave downwards, the clamp is in a clamping state and a releasing state, when the clamp is in the clamping state, the first body is connected with the second body, the convex part is positioned in the groove and is sealed between the two, the water storage groove is positioned under the water injection hole, and the top wall of the groove and the top surface of the convex part are respectively a first compression surface and a second compression surface which are mutually compressed to clamp a film to be tested between the two; when the clamp is in a disconnecting state, the convex part is separated from the groove, and the first body is separated from the second body. The utility model can test a large number of films simultaneously, improves the testing efficiency, avoids the influence of defective products on the films in the same batch, ensures the accuracy of the testing result and further improves the testing efficiency.

Description

Waterproof testing arrangement of film

Technical Field

The utility model relates to a film waterproof test device, which is suitable for the technical field of waterproof tests.

Background

Electronic products are ubiquitous in our life, many electronic products need to have certain waterproof performance, and in electronic products such as mobile phones, electric toothbrushes, electric shavers and the like, waterproof breathable films or waterproof sound-transmitting films play a waterproof function. The waterproof and breathable film is a polymer porous film with micron-sized pore diameter, can resist water drops outside by virtue of the hydrophobic property of the material and the tiny pore diameter, and can not block the transmission of sound, heat and air, so that the waterproof and breathable film is widely applied to the waterproof field of electronic products.

In the waterproof performance test of the waterproof and breathable film, many product manufacturing enterprises directly put the assembled product into water for testing, but for the manufacturing enterprises of the waterproof film, the cost of the testing mode is too high, the implementation process is very inconvenient, and the testing efficiency is very low. Most of the enterprises test the waterproof performance of the film through a waterproof testing device for the film. In the waterproof test device for the film, a water outlet is formed in the bottom of the water tank, the film is covered on the water outlet and is fixed in a sealing manner, then water is injected into the water tank, and whether water seeps out from the water outlet or not is observed to judge the waterproof performance of the film. The test mode is relatively simple in implementation process, on one hand, a mechanism for sealing and fixing the film needs to be additionally arranged at the water outlet part, so that the water outlet which can be arranged at the bottom of the water tank is limited, the number of films which can be tested in one batch is limited, and the test efficiency is low; on the other hand, because each water outlet is communicated with the water tank, if defective products appear in the films tested in a certain batch, the testing of the rest films in the batch is easily influenced, and the accuracy of the testing result is difficult to ensure.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a thin film waterproof test device.

The technical scheme adopted by the utility model is as follows: the utility model provides a film waterproof test device, including at least one anchor clamps that are used for holding the film that is surveyed, can hold water and anchor clamps, anchor clamps include the lower surface offer fluted first body, the upper surface is provided with the second body of convex part, the roof of recess is offered the water injection hole that link up first body, the water tank that undercut is offered to the convex part upper surface, anchor clamps have the clamp state and disconnect from the state, when it is in the clamp state, first body is connected with the second body, the convex part is located in the recess and sealed between the two, the water tank is located under the water injection hole, the roof of recess and the roof of convex part are the first compression face and the second compression face of mutual compaction and clamp the film that is surveyed between the two respectively, under this state, the film that is surveyed is clamped between first compression face and second compression face, realize the sealed fixation to the film, the water injection hole and the outside intercommunication above the film that are surveyed, make things convenient for water submergence film in the test box, and the storage of below forms a airtight space, be convenient for the test personnel to observe the waterproof performance of film; when the clamp is in a release state, the convex part is separated from the groove, the first body is separated from the second body, the tested film is convenient to assemble and disassemble, and the test result is also convenient to judge by observing whether water permeates into the water storage tank. When the test is carried out, the tested film is clamped by the clamp, the clamp clamps the film, then the whole film is placed in the test box, water is injected into the test box, the clamp is submerged, the tested film is immersed by water through the water injection hole, and meanwhile, the deepwater test can be simulated by adjusting the water injection height or supplementing the air pressure. The water in the test box is immersed in the tested film and permeates into the water storage tank sealed by the film under the action of pressure, after a certain time, the clamp is taken out, and the waterproof performance of the film is judged by observing whether water permeates into the water storage tank. In the test process, a corresponding number of clamps can be selected according to the number of the tested films, so that a large number of films can be tested conveniently and simultaneously, and the test efficiency is improved; and each film to be tested is sealed and fixed by the corresponding clamp, so that the influence of defective products in the same batch on the testing process of other films is avoided, the accuracy of the testing result is ensured, and the testing efficiency is further improved.

Further, the groove top is provided with first sealed cushion, and when anchor clamps are in the tight state, first pressure face is exerted pressure downwards through first sealed cushion, and first sealed cushion is provided with the communicating through-hole of water injection hole, improves the sealed effect of anchor clamps through first sealed cushion, prevents infiltration water storage tank in the gap of connecting of water follow first body and second body, has improved the accuracy of test result.

Further, the side face of the convex part and the side wall of the groove are provided with threads, when the clamp is in a clamping state, the convex part and the groove are in screwed tight connection through the threads, so that convenience in disassembly and assembly between the first body and the second body is improved, and tightness in clamping of the film by the clamp is guaranteed.

Further, the material of test box, first body, second body is transparent material, not only conveniently observes the test process in test process, after the test is accomplished, also need not to take apart first body and second body and just can judge whether ooze water in the water storage tank, the convenience is read the judgement of test result.

Further, the testing device further comprises an air inlet pipe with one end connected with the top of the testing box, and a pressurizing device with an output end connected with the other end of the air inlet pipe and used for introducing air into the testing box through the air inlet pipe so as to increase the air pressure in the testing box, so that the deep water pressure is conveniently simulated, and the implementation convenience is improved.

Further, the testing device also comprises a control assembly, wherein the control assembly comprises a pressure control module, a pressure sensor which is arranged at the bottom of the inner cavity of the test box and is electrically connected with the pressure control module, and a timing module which is electrically connected with the pressure control module, and the pressure control module is electrically connected with the pressurizing device. The pressure sensor can transmit the bottom water pressure of the test box to the pressure control module in real time, when the pressure in the test box reaches the standard, the pressure control module controls the pressurizing device to stop pressurizing, meanwhile controls the timing module to start timing, and after the preset test time is reached, the timing module sends out a prompt, so that the operator can finish the test and judge the result conveniently.

Further, the test box comprises a box body, a box cover covered on the upper opening of the box body, a second sealing rubber pad arranged between the box body and the box cover, and a locking assembly which is connected with the box body and the box cover respectively and used for locking the box body and the box cover, wherein the box cover is fixed and locked on the box body through the locking assembly, the explosion of the box is prevented when the pressure inside the test box is increased, and meanwhile, the tightness of the joint of the box cover and the box body is improved through the second sealing rubber pad, so that the pressure in the test box is prevented from leaking.

Further, a plurality of first locked grooves are formed in the side face of the upper opening of the box body, second locked grooves in one-to-one correspondence with the first locked grooves are formed in the side face of the box cover, the locking assembly comprises a cylindrical locking piece, a disc-shaped lock catch and a locking piece, one end of the cylindrical locking piece is rotatably connected in the first locked grooves along a rotating shaft in the horizontal direction, the cylindrical locking piece is embedded into or separated from the second locked grooves, the disc-shaped lock catch is connected to the other end of the locking piece in a threaded mode and can be close to or far away from the first locked grooves through rotation, and the width of the lock catch is larger than that of the second locked grooves. The locking assembly is in a locking state and an unlocking state, when the locking assembly is in the locking state, the locking piece is embedded into the second locking groove, the lock catch is close to the first locking groove, the lock catch is abutted against the surface of the box cover, and the lock catch is tightly screwed, so that the box body and the box cover can be locked by matching the lock catch with the locking piece; when the locking component is in an unlocking state, the lock catch is far away from the first locking groove and separated from the box cover, and the locking piece is separated from the second locking groove, so that the locking firmness between the box cover and the box body is guaranteed, and the operation convenience of locking and unlocking is improved.

Further, the side of the upper opening of the box body is provided with a convex edge protruding outwards, the first locking groove is formed in the convex edge, the structural strength of the box body is improved, and then the firmness and the tightness of the box cover and the box body during locking are improved.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

according to the film waterproof test device, the tested films are clamped by the independent clamps, and the clamps with the clamped films are placed in the test box to conduct waterproof test, so that the corresponding number of the clamps can be selected according to the number of the tested films, a large number of films can be conveniently tested at the same time, and the test efficiency is improved; and each film to be tested is sealed and fixed by the corresponding clamp, so that the influence of defective products in the same batch on the testing process of other films is avoided, the accuracy of the testing result is ensured, and the testing efficiency is further improved.

Drawings

Some specific embodiments of the utility model will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like components or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:

FIG. 1 is a schematic diagram of one embodiment of the present utility model;

FIG. 2 is a front view of the embodiment shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of A-A of the embodiment of FIG. 2;

FIG. 4 is a front view of the clamp of the embodiment of FIG. 1;

FIG. 5 is a schematic cross-sectional view of B-B in the embodiment of FIG. 4;

FIG. 6 is a schematic view of the structure of the first body in the embodiment shown in FIG. 4;

FIG. 7 is a schematic view of the structure of the second body in the embodiment shown in FIG. 4;

FIG. 8 is an enlarged view of the structure of region C of the embodiment of FIG. 1;

the reference numerals are explained as follows:

1. a clamp; 11. a first body; 111. a groove; 112. a water injection hole; 113. a first compression surface; 12. a second body; 121. a convex portion; 122. a water storage tank; 123. a second compression surface; 13. a first seal cushion; 131. a through hole; 2. a test chamber; 21. a case; 211. a first locking groove; 212. a convex edge; 22. a case cover; 221. a second locking groove; 23. a second sealing rubber pad; 24. a locking assembly; 241. a locking piece; 242. locking; 3. a pressurizing device; 31. an air inlet pipe; 4. a pressure control module; 41. a pressure sensor; 42. and a timing module.

Description of the embodiments

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Referring to fig. 1-8, the film waterproof test device in this embodiment includes at least one fixture 1 for holding a tested film, a test chamber 2 capable of holding water and the fixture 1, an air inlet pipe 31 with one end connected to the top of the test chamber 2, a pressurizing device 3 with an output end connected to the other end of the air inlet pipe 31 and used for introducing air into the test chamber 2 through the air inlet pipe 31 to increase the air pressure in the test chamber 2, and a control assembly, wherein the pressurizing device 3 is used for simulating the deep water pressure, thereby improving the implementation convenience, and the control assembly can monitor and control the test process and reduce the manual operation.

The clamp 1 comprises a first body 11 with a groove 111 on the lower surface, a second body 12 with a convex part 121 on the upper surface, a water injection hole 112 penetrating through the first body 11 is formed in the top wall of the groove 111, a water storage groove 122 recessed downwards is formed in the upper surface of the convex part 121, the clamp 1 is in a clamping state and a releasing state, when the clamp is in the clamping state, the first body 11 is connected with the second body 12, the convex part 121 is positioned in the groove 111 and sealed between the two, the water storage groove 122 is positioned under the water injection hole 112, the top wall of the groove 111 and the top surface of the convex part 121 are respectively a first compression surface 113 and a second compression surface 123 which are mutually compressed to clamp a film to be tested between the two, in this state, the film to be tested is clamped between the first compression surface 113 and the second compression surface 123, sealing fixation of the film is realized, the water injection hole 112 above the film to be tested is communicated with the outside, water immersion in the test box 2 is convenient, the film to be tested is immersed in the water storage groove 122 below forms a closed space, and the test personnel is convenient for observing the waterproof performance of the film to be tested; when the clamp 1 is in the release state, the convex part 121 is separated from the groove 111, the first body 11 is separated from the second body 12, so that the tested film can be conveniently dismounted, and the test result can be conveniently judged by observing whether water in the water storage tank 122 is permeated or not.

When testing, the tested film is clamped by the clamp 1, the clamp 1 clamps the film, then the whole film is placed in the test box 2, water is injected into the test box 2, the clamp 1 is submerged, the tested film is immersed by water through the water injection holes 112, and meanwhile, the depth test can be simulated by adjusting the water injection height or pressurizing by the pressurizing device 3. The water in the test chamber 2 is immersed in the film to be tested, and is permeated into the water storage tank 122 closed by the film under the action of pressure, after a certain time, the clamp 1 is taken out, and the waterproof performance of the film is judged by observing whether water is permeated into the water storage tank 122. In the test process, the corresponding number of clamps 1 can be selected according to the number of the tested films, so that a large number of films can be tested conveniently and simultaneously, and the test efficiency is improved; and each film to be tested is sealed and fixed by the corresponding clamp 1, so that the influence of defective products in the same batch on the testing process of other films is avoided, the accuracy of the testing result is ensured, and the testing efficiency is further improved.

The test box 2 comprises a box body 21, a box cover 22 covered on the upper opening of the box body 21, a second sealing rubber pad 23 arranged between the box body 21 and the box cover 22, and a locking assembly 24 which is respectively connected with the box body 21 and the box cover 22 and used for locking the box body 21 and the box cover 22, wherein the box cover 22 is fixed and locked on the box body 21 through the locking assembly 24, so that explosion of the box is prevented when the inside of the test box 2 is pressurized, and meanwhile, the sealing performance of the joint of the box cover 22 and the box body 21 is improved through the second sealing rubber pad 23, and pressure leakage in the test box 2 is prevented.

The control assembly comprises a pressure control module 4, a pressure sensor 41 which is arranged at the bottom of the inner cavity of the test box 2 and is electrically connected with the pressure control module 4, and a timing module 42 which is electrically connected with the pressure control module 4, wherein the pressure control module 4 is electrically connected with the pressurizing device 3. An operator can set test pressure and test time in the control assembly, after the test is started, the pressurizing device 3 is used for introducing gas into the test box 2 to increase the pressure in the test box, the pressure sensor 41 can be used for transmitting the water pressure at the bottom of the test box 2 to the pressure control module 4 in real time, when the pressure in the test box 2 reaches the standard, the pressure control module 4 controls the pressurizing device 3 to stop pressurizing, meanwhile, the timing module 42 is controlled to start timing, after the preset test time is reached, the timing module 42 sends out a prompt, and the operator can conveniently end the test and read the result.

In a more preferred embodiment, the top of the groove 111 is provided with a first sealing rubber pad 13, when the clamp 1 is in a clamped state, the first pressing surface 113 is pressed downwards through the first sealing rubber pad 13, the first sealing rubber pad 13 is provided with a through hole 131 communicated with the water injection hole 112, the sealing effect of the clamp 1 is improved through the first sealing rubber pad 13, water is prevented from penetrating into the water storage groove 122 from the connecting gap of the first body 11 and the second body 12, and the accuracy of a test result is improved.

In a more preferred embodiment, the side surfaces of the protruding parts 121 and the side walls of the grooves 111 are provided with threads, when the clamp 1 is in a clamping state, the protruding parts 121 are in screwed tight connection with the grooves 111 through threads, so that convenience in dismounting between the first body 11 and the second body 12 is improved, and tightness in clamping the film by the clamp 1 is ensured.

In a more preferred embodiment, the materials of the test chamber 2, the first body 11 and the second body 12 are transparent materials, so that the test process can be conveniently observed in the test process, and whether water seeps into the water storage tank 122 can be judged without disassembling the first body 11 and the second body 12 after the test is completed, thereby facilitating the interpretation of the test result. Specifically, the test chamber 2 may be made of transparent glass or transparent acrylic material, so as to ensure the strength of the test chamber 2; the first body 11 and the second body 12 can be made of transparent acrylic material, which is convenient

In a more preferred embodiment, the side surface of the upper opening of the case 21 is provided with a plurality of first locking grooves 211, the side surface of the case cover 22 is provided with second locking grooves 221 which are in one-to-one correspondence to the first locking grooves 211, the locking assembly 24 comprises a cylindrical locking piece 241, one end of which is rotatably connected in the first locking groove 211 along a rotating shaft in the horizontal direction and can be rotationally embedded in or separated from the second locking groove 221, a disc-shaped locking piece 242, the other end of which is in threaded connection with the locking piece 241 and can be rotationally close to or far from the first locking groove 211, and the width of the locking piece 242 is larger than that of the second locking groove 221. The locking assembly 24 has a locking state and an unlocking state, when the locking assembly is in the locking state, the locking piece 241 is embedded into the second locking groove 221, the lock catch 242 is close to the first locking groove 211, the lock catch 242 abuts against the surface of the case cover 22, and the lock catch 242 is screwed tightly so that the lock catch 242 can be matched with the locking piece 241 to lock the case body 21 and the case cover 22; when the locking assembly 24 is in the unlocking state, the lock catch 242 is far away from the first locking groove 211 and separated from the case cover 22, and the locking piece 241 is separated from the second locking groove 221, so that not only is the locking firmness between the case cover 22 and the case body 21 ensured, but also the convenience in locking and unlocking operations is improved.

In a more preferred embodiment, the side surface of the upper opening of the case 21 has a protruding edge 212 protruding outwards, and the first locking groove 211 is formed on the protruding edge 212, so that the structural strength of the case 21 is improved, and the firmness and tightness of the case cover 22 when locking with the case 21 are further improved.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

according to the film waterproof test device, the tested films are clamped by the independent clamps, and the clamps with the clamped films are placed in the test box to conduct waterproof test, so that the corresponding number of the clamps can be selected according to the number of the tested films, a large number of films can be conveniently tested at the same time, and the test efficiency is improved; and each film to be tested is sealed and fixed by the corresponding clamp, so that the influence of defective products in the same batch on the testing process of other films is avoided, the accuracy of the testing result is ensured, and the testing efficiency is further improved.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. A film waterproof test device is characterized in that: the clamp comprises at least one clamp (1) for clamping a film to be tested, a test box (2) capable of containing water and provided with the clamp (1), wherein the clamp (1) comprises a first body (11) with a groove (111) formed in the lower surface and a second body (12) with a convex part (121) formed in the upper surface, a water injection hole (112) penetrating through the first body (11) is formed in the top wall of the groove (111), a water storage groove (122) recessed downwards is formed in the upper surface of the convex part (121), the clamp (1) is in a clamping state and a releasing state, when the clamp is in the clamping state, the first body (11) is connected with the second body (12), the convex part (121) is positioned in the groove (111) and is sealed between the first body and the second body, the water storage groove (122) is positioned under the water injection hole (112), and the top wall of the groove (111) and the top surface of the convex part (121) are respectively a first compression surface (113) and a second compression surface (123) which are compressed mutually and clamp the film to be tested between the first compression surface and the second compression surface; when the clamp (1) is in a disengaged state, the convex part (121) is disengaged from the groove (111), and the first body (11) is disengaged from the second body (12).

2. The thin film waterproof test apparatus according to claim 1, wherein: the top of the groove (111) is provided with a first sealing rubber pad (13), when the clamp (1) is in a clamping state, the first pressing surface (113) presses downwards through the first sealing rubber pad (13), and the first sealing rubber pad (13) is provided with a through hole (131) communicated with the water injection hole (112).

3. The thin film waterproof test apparatus according to claim 1, wherein: threads are arranged on the side surfaces of the protruding portions (121) and the side walls of the grooves (111), and when the clamp (1) is in a clamping state, the protruding portions (121) are in screwed sealing connection with the grooves (111) through threads.

4. The thin film waterproof test apparatus according to claim 1, wherein: the material of the test box (2), the first body (11) and the second body (12) is transparent.

5. The thin film waterproof test apparatus according to claim 1, wherein: the testing device further comprises an air inlet pipe (31) with one end connected with the top of the test box (2), and a pressurizing device (3) with an output end connected with the other end of the air inlet pipe (31) and used for introducing air into the test box (2) through the air inlet pipe (31) so as to increase the air pressure in the test box (2).

6. The thin film waterproof test apparatus according to claim 5, wherein: the testing device further comprises a control assembly, the control assembly comprises a pressure control module (4), a pressure sensor (41) which is arranged at the bottom of the inner cavity of the test box (2) and is electrically connected with the pressure control module (4), and a timing module (42) which is electrically connected with the pressure control module (4), and the pressure control module (4) is electrically connected with the pressurizing device (3).

7. The thin film waterproof test apparatus according to claim 1, wherein: the test box (2) comprises a box body (21), a box cover (22) covering an upper opening of the box body (21), a second sealing rubber pad (23) arranged between the box body (21) and the box cover (22), and a locking assembly (24) respectively connected with the box body (21) and the box cover (22) and used for locking the box body and the box cover.

8. The thin film waterproof test apparatus according to claim 7, wherein: a plurality of first locked grooves (211) have been seted up to the side of box (21) upper shed, case lid (22) side be provided with position, size, quantity all with second locked groove (221) of first locked groove (211) one-to-one, locking subassembly (24) are in including one end along the pivot rotation of horizontal direction connect in first locked groove (211) and accessible rotation embedding or break away from cylindricality latch (241) of second locked groove (221), threaded connection are in the other end of latch (241) and accessible rotation is close to or is kept away from disk hasp (242) of first locked groove (211), the width of hasp (242) is greater than the width of second locked groove (221).

9. The thin film waterproof test apparatus according to claim 8, wherein: the locking assembly (24) is in a locking state and an unlocking state, when the locking assembly is in the locking state, the locking piece (241) is embedded into the second locking groove (221), the lock catch (242) is close to the first locking groove (211), and the lock catch (242) is abutted against the surface of the box cover (22); when the locking assembly (24) is in an unlocking state, the lock catch (242) is far away from the first locking groove (211) and separated from the box cover (22), and the locking piece (241) is separated from the second locking groove (221).

10. The thin film waterproof test apparatus according to claim 8, wherein: the side of the upper opening of the box body (21) is provided with a convex edge (212) protruding outwards, and the first locking groove (211) is formed in the convex edge (212).