Automobile wire rod salt spray test box

Abstract

The utility model discloses an automobile wire rod salt spray test box, and belongs to the technical field of automobile wire rod tests. The device mainly comprises a test box; sliding blocks are mounted on the guide rods in a sliding manner; a sealing block is installed on the side face of the supporting plate, and two sets of grooves are formed in the supporting plate; a sliding block is mounted on the sliding rail in a sliding manner; three clamping sets and a supporting ring are installed on the installation frame, a pressing ring is hinged to the supporting ring, butt joint plates are arranged at one end of the pressing ring and one end of the supporting ring, a notch is formed in the butt joint plate on the pressing ring, a rotating shaft is hinged to the butt joint plate on the supporting ring, and a fastener is connected to the rotating shaft. And a second clamping unit. According to the automobile wire rod salt spray test box, through the arrangement of the supporting plate, the sealing block, the guide rod, the sliding block, the groove, the sliding rail, the sliding block, the mounting frame, the supporting ring, the pressing ring, the butt joint plate and the rotating shaft, a tested automobile wire rod does not need to be manually taken out, and meanwhile the corrosion condition of the automobile wire cable is conveniently observed.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of automobile wire testing, in particular to an automobile wire salt spray test box. BACKGROUND

[0002] Automobile wire is a wire material used for transmitting electric energy and signals in the automobile electrical system. The conductor of automobile wire is mainly copper or copper alloy. Copper has good electrical conductivity, which can effectively reduce the loss in the process of electric energy transmission. For example, in the charging circuit of an automobile, high-purity copper conductor can ensure the charging efficiency. Some high-performance automobile wires use tinned copper wire, and the tin plating layer can improve the anti-oxidation ability of the copper wire and enhance its service life.

[0003] Automobile wire salt spray test is an important test method for evaluating the corrosion resistance of automobile wire. By evaluating the corrosion resistance of automobile wire in harsh environments, it ensures that the automobile wire can transmit electric energy and signals stably for a long time in actual use, reduces the risk of failure caused by corrosion, and verifies whether the materials, protective coatings and manufacturing processes used by the automobile wire can meet the corrosion resistance requirements of the automobile in different use environments, providing a basis for product quality control and improvement.

[0004] As disclosed in the patent with the publication number CN221550421U, a salt spray corrosion test chamber is disclosed, which comprises a test chamber, a salt spray spraying mechanism, a horizontal plate, a support plate, a lead screw, a lead screw and a motor, so as to support different sizes of metal samples, and has strong applicability.

[0005] After the above-mentioned patent conducts salt spray corrosion test on automobile wire, the sample surface is attached with corrosion such as rust and oxidation layer after the sample detection is completed, so that the sample is adhered to the support plate, increasing the difficulty of taking, and the mechanical properties such as strength and toughness of the sample after salt spray corrosion may be reduced, which is easy to break during taking. At the same time, there may be residual salt spray solution in the test chamber, which has certain corrosivity, and if it accidentally contacts the skin or clothes, it will cause harm and pollution. Therefore, it is necessary to design an automobile wire salt spray test chamber to solve the above-mentioned problems.

[0006] It should be noted that the above information disclosed in the background section of the present application is only used to understand the background technology of the concept of the present application, and therefore, it can contain information which does not constitute prior art. SUMMARY

[0007] Based on the above problems existing in the prior art, the problem to be solved by the present application is to provide an automobile wire salt spray test chamber, which solves the problem that after the automobile wire salt spray corrosion test, the sample is adhered to the support plate in the test chamber, and the surface of the sample is attached with corrosion such as rust and oxidation layer after the sample detection is completed, thereby causing the sample to be adhered to the support plate, increasing the difficulty of taking, and the mechanical properties such as strength and toughness of the sample after the salt spray corrosion may be reduced, and the sample is easily broken during the taking process; meanwhile, there may be residual salt spray solution in the test chamber, which has certain corrosivity, and if the skin or clothes are accidentally contacted, damage and pollution may be caused.

[0008] The technical scheme adopted by the present application to solve the technical problem is: an automobile wire salt spray test chamber. Mainly comprises: a test chamber; two groups of guide rods, which are installed between the inner walls of the test chamber, and a sliding block is slidably installed on the guide rod; a support plate, which is installed on the two groups of sliding blocks, and a sealing block is installed on the side surface of the support plate, and two groups of grooves are formed in the support plate; a slide rail, which is installed in the groove, and a sliding block is slidably installed on the slide rail; a mounting bracket, which is installed on the two groups of sliding blocks, and three groups of clamping groups are installed on the mounting bracket, the clamping group comprises: a support ring, which is installed on the mounting bracket, a compression ring is hinged to the support ring, the compression ring and one end of the support ring are provided with butt plates, the butt plate on the compression ring has a notch, a shaft is hinged to the butt plate of the support ring, and a fastener is threadedly connected to the shaft; and a second clamping unit, which is installed on the support plate.

[0009] Further, a through groove adapted to the sealing block is formed in the side wall of the test chamber, and a sealing gasket is arranged at the contact area of the sealing block and the through groove.

[0010] Further, a handle is installed on the side surface of the sealing block.

[0011] Further, a fixing unit is installed on the side surface of the test chamber, the fixing unit comprises a mounting seat installed on the side surface of the test chamber, a bolt is movably inserted into the mounting seat, a baffle is installed on the mounting seat, and a butt buckle is installed on the two sides of the sealing block.

[0012] Further, a sealing door is hinged to the test chamber.

[0013] Further, a gas return hole is formed in the side wall of the test chamber, a one-way valve is installed in the gas return hole, and an air suction pump is installed on the side surface of the test chamber.

[0014] The beneficial effects of the present application are: the automobile wire salt spray test box provided by the present application, through the setting of the supporting plate, sealing block, guide rod, sliding block, groove, sliding rail, sliding block, mounting frame, supporting ring, compression ring, butt joint plate, shaft and fastener, the automobile wire after test can be directly removed by pulling the handle, and the corrosion of the automobile cable can be observed.

[0015] In addition to the purposes, features and advantages described above, the present application has other purposes, features and advantages. The present application will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings accompanying the specification of the present application form a part thereof, serve to provide further understanding of the present application, and together with the description of the exemplary embodiments of the present application and its explanation serve to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 is a schematic diagram of the automobile wire salt spray test box in the present application;

[0018] Figure 2 is an exploded view of Figure 1 ;

[0019] Figure 3 is an enlarged view of point A of Figure 2 ;

[0020] In the drawings, various reference signs refer to:

[0021] 1, test box; 11, one-way valve; 12, air suction pump; 13, salt spray emission mechanism; 14, sealing door; 2, placing mechanism; 21, supporting plate; 22, sealing block; 23, guide rod; 24, sliding block; 25, handle; 26, groove; 27, sliding rail; 28, sliding block; 29, mounting frame; 210, supporting ring; 211, compression ring; 212, butt joint plate; 213, shaft; 214, fastener; 215, mounting seat; 216, bolt; 217, baffle; 218, butt joint buckle. DETAILED DESCRIPTION

[0022] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0023] In order to enable personnel in the technical field to better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor should fall within the scope of protection of the present application.

[0024] As shown in Figures 1-3 The present application provides an automobile wire salt spray test chamber, which comprises a test chamber 1, a return gas hole (not marked in the figure) is formed on the side wall of the test chamber 1, a one-way valve 11 is installed in the return gas hole, and an air extraction pump 12 is fixedly installed on the side of the test chamber 1, the air extraction end of the air extraction pump 12 comprises an air extraction pipe (not shown in the figure);

[0025] The return gas hole and the one-way valve 11 play a role in controlling the circulation of gas. The gas in the test chamber 1 can circulate to a certain extent through the return gas hole, and the one-way valve 11 can prevent the salt mist from being discharged outward from the return gas hole, thereby ensuring the relative stability of the salt mist concentration in the test chamber 1 and the sealing property of the test environment. At the same time, the air extraction pump 12 can extract part of the gas (including the salt mist) in the test chamber 1 through the air extraction pipe, so as to adjust the air pressure, the salt mist concentration and other parameters in the chamber in cooperation with the return gas hole and other structures, so that the salt mist can be uniformly distributed in the chamber and a suitable concentration environment can be maintained, which is beneficial to the stable and reliable salt spray test of the automobile wire;

[0026] A salt mist spraying mechanism 13 is fixedly installed on the inner wall of the test chamber 1, the salt mist spraying mechanism 13 is a device known to those skilled in the art, and the specific model and working principle will not be described in detail here. The salt mist spraying mechanism 13 is suitable for spraying the salt mist into the test chamber 1, thereby creating a salt mist environment and simulating the corrosion environment conditions that the automobile wire may encounter in actual use;

[0027] A sealing door 14 is hinged to the test chamber 1, and the sealing door 14 is suitable for sealing the test chamber 1;

[0028] A placing mechanism 2 is installed between the inner walls of the test chamber 1, the placing mechanism 2 comprises two groups of parallelly arranged guide rods 23 fixedly installed between the inner walls of the test chamber 1, a sliding block 24 is slidingly installed on the guide rod 23, a support plate 21 is fixedly installed on the two groups of sliding blocks 24, a sealing block 22 is fixedly installed on the side of the support plate 21, and a through slot adapted to the sealing block 22 is formed on the side wall of the test chamber 1;

[0029] In the default state, the sealing block 22 fixedly installed on the side of the support plate 21 is in the through groove, so as to seal the test box 1, and further, a sealing gasket can be arranged at the contact area between the sealing block 22 and the through groove, so as to increase the sealing performance of the sealing block 22 and the test box 1;

[0030] The support plate 21 is suitable for moving out of the test box 1 by moving the support plate 21 along the linear direction of the guide rod 23 through the two groups of sliding blocks 24;

[0031] The handle 25 is fixedly installed on the side of the sealing block 22, which facilitates the movement of the support plate 21;

[0032] The two groups of recesses 26 are arranged on the support plate 21, the sliding rails 27 are fixedly installed in the recesses 26, the sliding blocks 28 are slidingly installed on the sliding rails 27, and the first clamping unit is connected and installed on the two groups of sliding blocks 28, which comprises the mounting frame 29 fixedly installed on the two groups of sliding blocks 28;

[0033] The three groups of clamping groups are installed on the mounting frame 29, the sizes of the three groups of clamping groups are different, the clamping group comprises the support ring 210 fixedly installed on the mounting frame 29, the pressing ring 211 is hingedly connected to the support ring 210, one end of the pressing ring 211 and the support ring 210 is provided with the butt joint plate 212, and the butt joint plate 212 installed on the pressing ring 211 is provided with a notch;

[0034] The rotating shaft 213 is hingedly connected to the butt joint plate 212 of the support ring 210, the rotating shaft 213 is suitable for rotating to be clamped in the notch, and the fastener 214 is threadedly connected to the rotating shaft 213, which is suitable for fixing the rotating shaft 213 in the notch;

[0035] The second clamping unit is fixedly installed on the support plate 21, and the second clamping unit and the first clamping unit are similar structures, so that when the automobile wire is subjected to the salt spray test, the two ends of the automobile wire are respectively fixed on the clamping groups of the same size of the second clamping unit and the first clamping unit, and the clamping groups of different sizes are arranged to fix the automobile wires of different sizes at both ends;

[0036] And the side of the test box 1 is provided with a fixing unit, the fixing unit comprises a mounting seat 215 fixedly installed on the side of the test box 1, a latch 216 movably inserted on the mounting seat 215, the latch 216 is adapted to rotate on the mounting seat 215, and a baffle 217 is fixedly installed on the mounting seat 215, and the two sides of the sealing block 22 are fixedly provided with a mating buckle 218 matched with the latch 216, the latch 216 can rotate on the mounting seat 215 and approach the mating buckle 218 to be inserted in the mating buckle 218, and the latch 216 can be abutted on the front side of the baffle 217 by rotating, so that the sealing block 22 is fixed on the test box 1;

[0037] The sealing block 22 is firmly fixed on the test box 1 by the cooperation between the latch 216 and the mating buckle 218 and the baffle 217, which further enhances the sealing performance of the test box 1 during the test process and ensures the stability and reliability of the test environment.

[0038] Working principle: the support ring 210 in the clamping group and the compression ring 211 hinged thereto can rotate relative to the hinge, after the automobile wire is placed in the support ring 210, the compression ring 211 is rotated to make the abutting plate 212 thereof opposite to the abutting plate 212 of the support ring 210, then the rotating shaft 213 is rotated and clamped into the notch of the abutting plate 212 of the compression ring 211, and the rotating shaft 213 is fixed by the threaded fastener 214, so that the compression ring 211 tightly presses the automobile wire, and the fixing is realized.

[0039] The second clamping unit has the same operation mode, when the automobile wire is subjected to the salt spray test, the two ends of the automobile wire are fixed on the clamping groups of the same size in the second clamping unit and the first clamping unit, so that the automobile wire can be stably placed in the test box 1 to receive the salt spray test, and the position of the automobile wire is stable during the test process, so that the accuracy of the test result is not affected by factors such as shaking, when the automobile wire needs to be placed or taken out, the operator can hold the handle 25 and pull the support plate 21 to move out of the test box 1 along the straight line direction of the guide rod 23, so that the automobile wire after the test can be directly moved out by pulling the handle 25, and the corrosion of the automobile cable can be observed.

[0040] The above is only a preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An automotive wire salt spray test chamber characterized by: Including: Test box (1); Two groups of guide rods (23) are installed between the inner walls of the test box (1), and the sliding blocks (24) are slidingly installed on the guide rods (23); Support plate (21), the support plate (21) is installed on two groups of sliding blocks (24), the side of the support plate (21) is installed with sealing block (22), the support plate (21) is provided with two groups of grooves (26); Slide rail (27), the slide rail (27) is installed in the groove (26), the sliding block (28) is slidingly installed on the slide rail (27); Mounting bracket (29), the mounting bracket (29) is installed on two groups of sliding blocks (28), the mounting bracket (29) is provided with three groups of clamping groups, the clamping group comprises: Support ring (210) is installed on the mounting bracket (29), the support ring (210) is hinged with the pressing ring (211), the pressing ring (211) and one end of the support ring (210) are provided with butt joint plate (212), the butt joint plate (212) on the pressing ring (211) has a notch, the butt joint plate (212) of the support ring (210) is hinged with the rotating shaft (213), the rotating shaft (213) is threadedly connected with the fastener (214); Second clamping unit, the second clamping unit is installed on the support plate (21).

2. The automotive wire salt spray test chamber according to claim 1, wherein: The side wall of the test box (1) is provided with a through groove matched with the sealing block (22), and the contact area between the sealing block (22) and the through groove is provided with a sealing gasket.

3. The automotive wire salt spray test chamber according to claim 2, wherein: The side of the sealing block (22) is provided with a handle (25).

4. The automotive wire salt spray test chamber according to claim 3, wherein: The side of the test box (1) is provided with a fixing unit, the fixing unit comprises a mounting seat (215) mounted on the side of the test box (1), a bolt (216) movably inserted into the mounting seat (215), a baffle (217) mounted on the mounting seat (215), and a butt buckle (218) mounted on both sides of the sealing block (22).

5. The automotive wire salt spray test chamber of claim 4, wherein: The test box (1) is hinged with a sealing door (14).

6. The automotive wire salt spray test chamber of claim 5, wherein: The side wall of the test box (1) is provided with a return air hole, the one-way valve (11) is installed in the return air hole, and the side of the test box (1) is provided with an air pump (12).

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