Universal VIA testing device

Abstract

The utility model discloses a universal VIA testing device which comprises a bottle cap, a bottle body, a steel pipe and a clamp, a through hole is formed in the center of the bottle cap and used for installing the steel pipe, and the steel pipe is fixed through a nut after passing through the bottle cap; the steel pipe is sleeved with a clamp used for clamping a test sample vertically arranged in the bottle body, and the clamp is also fixedly installed through a nut. The fixture comprises a fixed clamping block sleeved on the steel pipe and movable clamping blocks symmetrically arranged on two sides of the fixed clamping block, the movable clamping blocks are movably connected with the fixed clamping block through guide rails, and a test sample is arranged in a gap between the movable clamping blocks and the fixed clamping block; the clamp is arranged, the guide rail is connected with the movable clamping block and the fixed clamping block, and mutually matched convex grooves are formed in the contact surfaces of the movable clamping block and the fixed clamping block, so that a convex groove structure is formed for clamping a test sample; by using the inner gasket and the outer gasket, the bottle cap and the steel pipe are integrated without air leakage, and meanwhile, the steel pipe can be in a vertical state, so that the accuracy of an experimental result is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to metallic property test technical field especially relates to a general VIA testing device. BACKGROUND

[0002] Gas phase corrosion inhibition ability, that is, the ability of the gas volatilized from the material to inhibit metal corrosion, that is, the size of the antirust ability of the antirust gas to metal, is vapor inhibiting ability in English, and is abbreviated as VIA, therefore, the gas phase corrosion inhibition ability test is also called VIA test. It is an extremely important index of the gas phase antirust material, and in the national standard of the test sample, the test sample and the corrosion inhibitor, there is a VIA test part.

[0003] The VIA testing device currently only has demand in the gas phase antirust manufacturers and third-party testing institutions, and the quantity is not large, so no manufacturer specially makes this device, and it is manually installed by experimental personnel, but the installation of the device is different due to different operation levels of the experimental personnel, and the VIA test is an experiment with more details, so the influence of the device on the experimental result is large, so the test results of different manufacturers are different for the same gas phase antirust material, and sometimes the difference is quite large. In order to solve this problem, it is necessary to make a general device, which can be applied to various VIA tests, and the difference between the devices is small, and the test result is closer.

[0004] In the prior art, the VIA testing device often uses a structure device composed of a wide-mouth bottle, a rubber plug, a rubber tube, an aluminum tube, a glass tube, a latex tube and a water stop clamp, and a hole opener is required. The device is manually made, and there are many error places, for example, the center of the large rubber plug needs to be drilled, the aluminum tube inlaid therein is not in a vertical state by using the hole opener, the metal test block connected below is not in a horizontal state, the water drops generated on the test surface after adding condensate water are not uniform, and the rust at the place is serious. One group of VIA tests has 4-5 devices, and the rust is not uniformly distributed, so that the antirust grade is difficult to judge; the wide-mouth bottle is sealed by using the large rubber plug, and under the influence of the antirust gas, the aging speed is fast, the rubber plug becomes hard after being used for a period of time, the sealing effect of the wide-mouth bottle is weakened, the antirust gas in the bottle leaks, the test result is poor, and the wide-mouth bottles can also be intermixed, so that when several different gas phase antirust products are tested, the test results are not accurate.

[0005] Therefore, a general VIA testing device is required to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] In order to solve the above problems existing in the prior art, the utility model provides a general VIA testing device.

[0007] The technical scheme of the utility model discloses the following:

[0008] A general VIA testing device, including bottle lid, bottle body, steel pipe and clamp, the centre of bottle lid is equipped with through hole for installing steel pipe, and the steel pipe is fixed with nut after passing through bottle lid;The clamp is sleeved on the steel pipe for clamping the testing sample vertically arranged in the bottle body, and the clamp is also fixed and installed through nut;The clamp includes fixed clamp block sleeved on the steel pipe and movable clamp block symmetrically arranged on both sides of the fixed clamp block, the movable clamp block is movably connected with the fixed clamp block through guide rail, and the testing sample is arranged in the gap between the movable clamp block and the fixed clamp block;The outer periphery of the steel pipe is sleeved with rubber tube, and the outlet end of the rubber tube arranged in the bottle body is plugged with rubber plug, and the metal test piece is fixed at the bottom of the rubber plug.

[0009] Preferably, the lower edge of the bottle cap is provided with a sealing ring, and the sealing ring is tightly attached to the bottle body when the bottle cap is screwed.

[0010] Preferably, the steel pipe is placed above the bottle cap and has a funnel structure at one end.

[0011] Preferably, a flange is arranged at the connection between the steel pipe and the bottle cap, an outer gasket is arranged between the flange and the outer top surface of the bottle cap, and an inner gasket is arranged at the through hole of the inner wall of the bottle cap.

[0012] Preferably, a compression spring is arranged in the fixed clamp block and abuts between the inner wall of the fixed clamp block and the end of the guide rail.

[0013] Preferably, a convex groove is arranged on the fixed clamp block to form a convex groove structure with the movable clamp block, and the testing sample is fixed by mutual matching.

[0014] Preferably, the testing sample is made of rust-proof film or rust-proof paper.

[0015] Preferably, a level meter is arranged on the top of the bottle cap, and a water inlet is arranged, the level meter and the water inlet are arranged on the same circumference and are in 90° staggered state.

[0016] Preferably, the level meter is a water bubble type level meter, and the water inlet is plugged by a rubber cap.

[0017] Preferably, glycerol aqueous solution is filled in the bottle body, and the liquid level is kept lower than the testing sample.

[0018] The utility model has the following beneficial effects:

[0019] The utility model discloses a fixture, guide rail connects movable clamp block and fixed clamp block, and the contact surface is the matching male groove on both, forms male groove structure for clamping test sample, and there is the recess of being convenient for pressing with finger on movable clamp block, sets up compression spring in fixed clamp block inner chamber and abuts against guide rail, makes it keep the separation of movable clamp block and fixed clamp block when not clamping test sample, simultaneously, through using inner gasket and outer gasket, under the action of two gaskets, bottle cap and steel pipe become a whole, do not leak air, can also make steel pipe be in perpendicular state simultaneously, guarantee the accuracy of experimental result. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the overall structure sectional view of the utility model;

[0021] Figure 2 It is the bottle cap of the utility model; Figure 1 It is the local enlarged view of structure in A place of the utility model;

[0022] Figure 3 It is the bottle cap of the utility model;

[0023] Figure 4 It is the three-dimensional structure schematic diagram of the fixture of the utility model.

[0024] The reference signs in the drawing are shown as:

[0025] 1, bottle cap;101, level;102, water inlet;2, bottle body;3, sealing ring;4, steel pipe;5, flange;6, outer gasket;7, inner gasket;8, nut;9, fixture;901, movable clamp block;902, guide rail;903, fixed clamp block;904, male groove;10, test sample;11, rubber plug;12, metal test piece;13, rubber tube;14, glycerol aqueous solution. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0027] See Figures 1 to 4The utility model provides a general VIA testing device, which comprises a bottle cap 1, a bottle body 2, a steel pipe 4 and a clamp 9, the bottle cap 1 is provided with a through hole in the center for mounting the steel pipe 4, the steel pipe 4 is made of stainless steel in the utility model, which effectively improves the corrosion resistance; the steel pipe 4 is fixed by a nut 8 after passing through the bottle cap 1; the clamp 9 is sleeved on the steel pipe 4 for clamping a test sample 10 vertically arranged inside the bottle body 2, and the clamp 9 is also fixedly installed by the nut 8; the clamp 9 comprises a fixed clamp block 903 sleeved on the steel pipe 4 and movable clamp blocks 901 symmetrically arranged on both sides of the fixed clamp block 903, the movable clamp blocks 901 are movably connected with the fixed clamp block 903 through guide rails 902, and the test sample 10 is arranged in a gap between the movable clamp blocks 901 and the fixed clamp block 903; a rubber tube 13 is sleeved on the outer periphery of the steel pipe 4, and a rubber plug 11 is arranged at the outlet end of the rubber tube 13 inside the bottle body 2, and a metal test piece 12 is fixed at the bottom of the rubber plug 11.

[0028] Further, the lower edge of the bottle cap 1 is provided with a sealing ring 3, and the sealing ring 3 is tightly attached to the bottle body 2 when the bottle cap 1 is screwed.

[0029] By arranging the sealing ring 3, the entire device can be in a sealed state when the bottle cap 1 is screwed, and the internal rust-preventing gas and moisture cannot leak, thereby improving the accuracy of the test.

[0030] Further, the steel pipe 4 is arranged above the bottle cap 1 and has a funnel structure at one end.

[0031] The funnel-shaped structure is more conducive to filling the condensed water, and after the condensed water is filled, the test surface at the lower end of the metal test piece 12 will generate condensed water, which can accelerate the corrosion speed of the metal test piece 12.

[0032] Further, a flange 5 is arranged at the connection between the steel pipe 4 and the bottle cap 1, an outer gasket 6 is arranged between the flange 5 and the outer top surface of the bottle cap 1, and an inner gasket 7 is arranged at the through hole in the inner wall of the bottle cap 1.

[0033] Under the action of the outer gasket 6 and the inner gasket 7, the bottle cap 1 and the steel pipe 4 become an integral whole without air leakage, and the steel pipe 4 is in a vertical state.

[0034] Further, a compression spring is arranged in the fixed clamp block 903 and abuts between the inner wall of the fixed clamp block 903 and the end of the guide rail 902, a convex groove 904 is arranged on the fixed clamp block 903 to form a convex groove structure with the movable clamp block 902, the test sample 10 is fixed by mutual fitting, and the test sample 10 is made of rust-proof film or rust-proof paper.

[0035] The compression spring is arranged to ensure that the movable clamp block 901 and the fixed clamp block 903 are kept in close contact when the test sample 10 is not clamped, recesses are arranged on both sides of the movable clamp block 901, after the test sample 10 is placed between the movable clamp block 901 and the fixed clamp block 903, the recesses of the movable clamp block 901 are pressed outwardly by hand, the test sample 10 is placed in the gap between the movable clamp block 901 and the fixed clamp block 903, and then the hand is released, and the movable clamp block 901 and the fixed clamp block 903 clamp the test sample 10 through the matching convex grooves 904.

[0036] Further, the bottle cap 1 is provided with a level 101 and a water inlet 102, the level 101 and the water inlet 102 are arranged on the same circumference of the clamp 9 and are in a 90° staggered state, the level 101 is a water bubble type level, is used for monitoring whether the test device is horizontal, and the water inlet 102 is blocked by a rubber cap; in the VIA test of the test sample, the glycerol water solution 14 needs to be added through the water inlet 102 in the middle, at this time, the rubber cap is removed, and the device is added by using a syringe, and the rubber cap is immediately covered after the addition.

[0037] Further, the bottle body 2 is filled with the glycerol water solution 14, and the liquid level is kept below the test sample 10.

[0038] The glycerol water solution 14 is added to maintain the relative humidity of the air in the bottle at a high level, after the condensate water is added to the steel pipe 4, the test surface at the lower end of the metal test piece 12 generates condensate water, which can accelerate the corrosion of the metal test piece 12, and when the gas phase corrosion inhibition ability of the test sample 10 is strong, the metal test piece 12 does not corrode.

[0039] The working principle of the utility model is as follows:

[0040] In the utility model, first, the bottle cap 1 is provided with a through hole in the center for installing the steel pipe 4, the steel pipe 4 is fixed after passing through the bottle cap 1 by a nut 8, the steel pipe 4 is sleeved with a rubber pipe 13, the rubber pipe 13 is arranged at the outlet end in the bottle body 2 and is plugged with a rubber plug 11, the metal test piece 12 is fixed at the bottom of the rubber plug 11, meanwhile, the steel pipe 4 is arranged above the bottle cap 1 and has a funnel structure at one end, the funnel structure is more conducive to adding condensate water, after the condensate water is added, the test surface at the lower end of the metal test piece 12 generates condensate water, which can accelerate the corrosion speed of the metal test piece 12; the steel pipe 4 is provided with a flange 5 at the connection with the bottle cap 1, outer gaskets 6 are arranged between the flange 5 and the outer top surface of the bottle cap 1, inner gaskets 7 are arranged at the through hole in the inner wall of the bottle cap 1, under the action of the outer gaskets 6 and the inner gaskets 7, the bottle cap 1 and the steel pipe 4 become a whole and do not leak air, and the steel pipe 4 is in a vertical state;

[0041] The lower edge of the bottle cap 1 is provided with a sealing ring 3, and the sealing ring 3 is tightly attached to the bottle body 2 when the bottle cap 1 is screwed, so that the whole device is in a sealed state when the bottle cap 1 is screwed, and the internal rust-preventing gas and moisture cannot be leaked, thereby improving the accuracy of the test.

[0042] Then, the steel pipe 4 is sleeved with a clamp 9 for clamping the test sample 10 vertically arranged in the bottle body 2, and the clamp 9 is also fixedly installed through the nut 8; the clamp 9 comprises a fixed clamping block 903 sleeved on the steel pipe 4 and movable clamping blocks 901 symmetrically arranged on both sides of the fixed clamping block 903, the movable clamping blocks 901 are movably connected with the fixed clamping block 903 through guide rails 902, the test sample 10 is arranged in the gap between the movable clamping blocks 901 and the fixed clamping block 903, a compression spring is arranged in the fixed clamping block 903 and abuts between the inner wall of the fixed clamping block 903 and the end of the guide rail 902, a convex groove 904 is arranged on the fixed clamping block 903 to form a convex groove structure with the movable clamping block 902, and the test sample 10 is fixed by mutual fitting; the compression spring is arranged to ensure that the movable clamping block 901 and the fixed clamping block 903 are tightly attached when the test sample 10 is not clamped, the recesses on both sides of the movable clamping block 901 are pressed, the test sample 10 is placed in the gap, and then the movable clamping block 901 and the fixed clamping block 903 clamp the test sample 10 through the mutually fitted convex grooves 904.

[0043] Next, a level 101 is arranged on the top of the bottle cap 1, and a water inlet 102 is arranged, the level 101 and the water inlet 102 are arranged on the same circumference of the clamp 9 and are in a 90° staggered state, the level 101 is a water bubble type level, which is used for monitoring whether the test device is horizontal, and the water inlet 102 is blocked by a rubber cap; in the VIA test of the test sample, the water inlet 102 is needed to be used to add glycerol water solution 14, at this time, the rubber cap is removed, and the device is added by using a syringe, and the rubber cap is immediately covered after the addition is completed.

[0044] Finally, the glycerol water solution 14 is added to maintain the relative humidity of the air in the bottle at a high level, and the liquid level is kept lower than the test sample 10, after the condensate water is added to the steel pipe 4, the test surface of the lower end of the metal test piece 12 will generate condensate water, which can accelerate the corrosion of the metal test piece 12, and when the gas phase corrosion inhibition ability of the test sample 10 is strong, the metal test piece 12 does not corrode

[0045] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process conversion obtained by using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A universal VIA testing device comprising a cap (1), a body (2), a steel tube (4) and a clamp (9), characterized in that: The bottle cap (1) is provided with a through hole in the center for installing the steel pipe (4), and the steel pipe (4) is fixed by a nut (8) after passing through the bottle cap (1); the steel pipe (4) is sleeved with the clamp (9) for clamping the test sample (10) vertically arranged in the bottle body (2), and the clamp (9) is also fixed and installed by the nut (8); the clamp (9) comprises a fixed clamp block (903) sleeved on the steel pipe (4) and movable clamp blocks (901) symmetrically arranged on both sides of the fixed clamp block (903), the movable clamp blocks (901) are movably connected with the fixed clamp block (903) through guide rails (902), and the test sample (10) is arranged in the gap between the movable clamp blocks (901) and the fixed clamp block (903); the steel pipe (4) is sleeved with a rubber tube (13), and the rubber tube (13) is arranged in the outlet of the bottle body (2) and is plugged with a rubber plug (11), and a metal test piece (12) is fixed at the bottom of the rubber plug (11).

2. The universal VIA testing device of claim 1, wherein: The lower edge of the bottle cap (1) is provided with a sealing ring (3), and the sealing ring (3) is tightly attached to the bottle body (2) when the bottle cap (1) is screwed.

3. The universal VIA testing device of claim 1, wherein: The steel pipe (4) is arranged above the bottle cap (1) and has a funnel structure at one end.

4. The universal VIA testing device of claim 1, wherein: The steel pipe (4) is provided with a flange (5) at the connection with the bottle cap (1), and an outer gasket (6) is arranged between the flange (5) and the outer top surface of the bottle cap (1), and an inner gasket (7) is arranged at the through hole of the inner wall of the bottle cap (1).

5. The universal VIA testing device of claim 1, wherein: The fixed clamp block (903) is provided with a compression spring inside, and the compression spring is abutted between the inner wall of the fixed clamp block (903) and the end of the guide rail (902).

6. The universal VIA testing device of claim 5, wherein: The fixed clamp block (903) is provided with a convex groove (904) to form a convex groove structure with the movable clamp block (901), and the test sample (10) is fixed by mutual fitting.

7. The universal VIA testing device of claim 6, wherein: The test sample (10) adopts rust-proof film or rust-proof paper.

8. The universal VIA testing device of claim 1, wherein: The bottle cap (1) is provided with a level (101) at the top and is provided with a water inlet (102), and the level (101) and the water inlet (102) are arranged on the same circumference and are staggered at 90°.

9. The universal VIA testing device of claim 8, wherein: The level (101) adopts a water bubble type level, and the water inlet (102) is plugged by a rubber cap.

10. The universal VIA testing device of claim 1, wherein: The bottle body (2) is filled with glycerol aqueous solution (14), and the liquid level is kept lower than the test sample (10).

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