Anti-corrosion structure of fuming cupboard for salt atomization test

Abstract

The utility model discloses an anti-corrosion structure of a salt atomization test fuming cupboard, which relates to the technical field of salt atomization test fuming cupboards and comprises a cupboard body, one end of the cupboard body is fixedly connected with a supporting plate, and a glass door is slidably connected in the supporting plate. Through the arrangement of the cabinet body, the supporting plate, the glass door, the purification box, the pipeline, the filtering device, the connecting plate and the axial flow fan, when a salt atomization experiment is carried out in the cabinet body, the axial flow fan is started, so that salt mist and harmful gas in the cabinet body are sucked into the purification box through the pipeline, and the gas is purified through the filtering device; according to the salt mist discharging cabinet, harmful gas needs to be purified and filtered before being discharged and then is discharged through the axial flow fan, when a filtering device needs to be replaced or cleaned, a positioning rod can be pulled to be separated from a positioning groove in a clamping groove, and then the filtering device is separated from the cabinet body, so that the salt mist discharging efficiency is improved, and the interior of the cabinet body is kept clean; and the interior of the cabinet body can be prevented from corrosion.

Description

Technical Field

[0001] The utility model relates to the technical field of salt spray test fume hoods, in particular to an anti-corrosion structure of a salt spray test fume hood. Background Art

[0002] Salt spray test is an environmental test that uses a salt spray test chamber to create artificial simulated salt spray environment conditions to evaluate the corrosion resistance of products or metal materials. It is divided into natural environment exposure test and artificial accelerated simulated salt spray environment test.

[0003] There is a salt spray test device with Chinese patent application number CN202221342808.4, which includes a box assembly, a box cover, an observation window, an electric control cabinet, a control button and a liquid supply assembly; in the utility model, the box assembly is set, the equipment to be tested is placed on the placement plate, the box cover seals the upper end of the test box, the liquid supply assembly provides salt solution for the atomizing nozzle, and the salt spray is transported into the test box through the atomizing nozzle for salt spray test, the structure is simple, the operation is convenient and fast, the maintenance of the test device is convenient, and the operating cost of the test device is reduced; the metering pump and the solenoid valve are energized and operated by the control button, and a fixed amount of salt solution is transported to the atomizing nozzle through the metering pump, which is convenient for quantitative test salt solution and ensures the detection accuracy of the test device; the observation window is set, and the observation window is located on the box cover, which is convenient for the operator to observe the situation inside the test box through the observation window, which is beneficial for the operator to perform corresponding operations according to the situation in the test box and improve the working efficiency of the test device. However, the device still has some defects.

[0004] The device does not have a mechanism to discharge salt mist and harmful gases, resulting in long-term accumulation of salt mist inside the equipment, which will cause serious corrosion to the internal structure of the fume hood and its ancillary equipment, shortening the service life of the equipment and increasing maintenance costs.

[0005] Therefore, we propose a salt spray test fume hood anti-corrosion structure to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide an anti-corrosion structure for a salt mist test fume hood to solve the problem that the existing device proposed in the above background technology is not provided with a mechanism for discharging salt mist and harmful gases, resulting in the long-term accumulation of salt mist inside the equipment causing serious corrosion to the internal structure of the fume hood and its ancillary equipment, shortening the service life of the equipment and increasing maintenance costs.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an anti-corrosion structure of a salt spray test fume hood, comprising a cabinet body, one end of the cabinet body is fixedly connected to a support plate, and a glass door is slidably connected to the inside of the support plate, a purification box is provided on the right side of the cabinet body, and a pipeline is connected between the purification box and the cabinet body, and a filter device is slidably connected to the inside of the purification box, the top of the filter device is fixedly connected to a connecting plate, and an axial flow fan is installed on the right side of the purification box.

[0008] Preferably, a card slot is provided on the top of the purification box, and a card block is fixedly connected to the bottom of the connecting plate, and a positioning slot is provided on one side of the card block.

[0009] Preferably, a cavity is provided inside the purification box near the left side of the positioning groove, and a positioning rod is slidably connected to the inside of the cavity, and a support spring is connected between the positioning rod and the cavity.

[0010] Preferably, a motor is installed on the top of the cabinet, and the output end of the motor is connected to a reciprocating screw rod.

[0011] By adopting the above technical solution, after the motor is started, the reciprocating screw rod can be driven to rotate.

[0012] Preferably, the outer surface of the reciprocating screw is threadedly connected to a threaded block, and the interior of the cabinet is fixedly connected to a limit rod, the outer surface of the limit rod is slidably connected to the limit block, and a fixed plate is connected between the threaded block and the limit block.

[0013] By adopting the above technical solution, the reciprocating screw can drive the threaded block connected with the external thread to move synchronously when it rotates, and the threaded block can drive the fixed plate and the limit block to move along the limit rod when it moves.

[0014] Preferably, one end of the fixing plate is connected to a tension spring, and one end of the tension spring is provided with a sponge.

[0015] By adopting the above technical solution, the movement of the fixed plate can drive the tension spring and the sponge to move synchronously, and the tension spring can adjust the contact pressure between the sponge and the glass plate.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the anti-corrosion structure of the salt spray test fume hood;

[0017] 1. Through the cabinet, support plate, glass door, purification box, pipe, filter device, connecting plate and axial flow fan, when the salt spray experiment is carried out inside the cabinet, the axial flow fan is started, so that the salt spray and harmful gas inside the cabinet are sucked into the interior of the purification box through the pipe, and the gas is purified by the filter device, so that the harmful gas needs to be purified and filtered before being discharged, and then discharged through the axial flow fan. When the filter device needs to be replaced or cleaned, the positioning rod can be pulled to separate the positioning rod from the positioning slot at the card slot, and then the filter device is separated from the cabinet, thereby accelerating the salt spray discharge efficiency, keeping the interior of the cabinet clean, and performing corrosion protection on the interior of the cabinet;

[0018] 2. Through the set motor, reciprocating screw, limit rod, threaded block, limit block, connecting plate, tension spring and sponge, when the atomization experiment starts, start the motor, the output end of the motor can drive the reciprocating screw to rotate, the threaded block threadedly connected to the reciprocating screw can drive the fixed plate to move upward, and the fixed plate is fixedly connected to the limit block, the fixed plate can drive the limit plate to move up and down along the limit rod, so that the fixed plate drives the tension spring and the sponge to wipe the glass door reciprocatingly, ensuring the cleaning of the glass door, preventing the salt mist from contacting the glass door at the beginning of the experiment, making the glass door blurred and causing the operator's vision to be obstructed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front view cutaway structure of the utility model;

[0020] Figure 2 This is a rear view cutaway structural diagram of the present invention;

[0021] Figure 3 For this utility model Figure 2 A in the middle is an enlarged structural diagram;

[0022] Figure 4 This is a schematic diagram of the cross-sectional structure of the utility model from above;

[0023] Figure 5 It is a schematic diagram of the top structure of the utility model.

[0024] In the figure: 1. Cabinet; 2. Support plate; 3. Glass door; 4. Purification box; 5. Pipeline; 6. Filter device; 7. Connecting plate; 8. Axial fan; 9. Slot; 10. Block; 11. Positioning slot; 12. Cavity; 13. Positioning rod; 14. Support spring; 15. Motor; 16. Reciprocating screw; 17. Limit rod; 18. Threaded block; 19. Limit block; 20. Fixing plate; 21. Tension spring; 22. Sponge. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-5 The utility model provides a technical solution: an anti-corrosion structure of a salt spray test fume hood, comprising a cabinet body 1, one end of the cabinet body 1 is fixedly connected to a support plate 2, and a glass door 3 is slidably connected to the inside of the support plate 2, a purification box 4 is provided on the right side of the cabinet body 1, and a pipe 5 is connected between the purification box 4 and the cabinet body 1, and a filter device 6 is slidably connected to the inside of the purification box 4, a connecting plate 7 is fixedly connected to the top of the filter device 6, and an axial flow fan 8 is installed on the right side of the purification box 4, a card slot 9 is provided on the top of the purification box 4, and a card block 10 is fixedly connected to the bottom of the fixing plate 20, and a positioning slot 11 is provided on one side of the card block 10, a cavity 12 is provided on the left side of the purification box 4 near the positioning slot 11, and a positioning rod is slidably connected to the inside of the cavity 12 13, and a support spring 14 is connected between the positioning rod 13 and the cavity 12. The interior of the cabinet 1 and the pipe 5 are both made of corrosion-resistant materials. When the salt spray experiment is carried out inside the cabinet 1, the axial flow fan 8 is started, so that the salt spray and harmful gases inside the cabinet 1 are sucked into the interior of the purification box 4 through the pipe 5, and the gas is purified by the filter device 6, so that the harmful gases need to be purified and filtered before being discharged, and then discharged through the axial flow fan 8. When the filter device 6 needs to be replaced or cleaned, the positioning rod 13 can be pulled to separate the positioning rod 13 from the positioning slot 11 at the card slot 9, and then the filter device 6 is separated from the cabinet 1, thereby preventing the filter device 6 from being blocked, affecting the exhaust efficiency, and causing the salt spray inside the cabinet 1 to corrode the cabinet 1.

[0027] A motor 15 is installed on the top of the cabinet 1, and the output end of the motor 15 is connected to a reciprocating screw rod 16, the outer surface of the reciprocating screw rod 16 is threadedly connected to a threaded block 18, and the interior of the cabinet 1 is fixedly connected to a limit rod 17, the outer surface of the limit rod 17 is slidably connected to a limit block 19, and a fixed plate 20 is connected between the threaded block 18 and the limit block 19, one end of the fixed plate 20 is connected to a tension spring 21, and one end of the tension spring 21 is provided with a sponge 22. After the motor 15 is started, it can drive the reciprocating screw rod 16 to rotate synchronously. When the reciprocating screw rod 16 rotates, it can drive the threaded block 18 connected to the external thread to move synchronously, and when the threaded block 18 moves, it can drive the fixed plate 20 and the limit block 19 to move along the limit rod 17, so that the fixed plate 20 drives the tension spring 21 and the sponge 22 to wipe the glass door 3 back and forth to ensure that the glass door 3 is clean.

[0028] Working principle: When using the salt spray test fume hood anti-corrosion structure, first, when the salt spray experiment is carried out inside the cabinet 1, the axial flow fan 8 is started, so that the salt spray and harmful gases inside the cabinet 1 are sucked into the interior of the purification box 4 through the pipe 5, and the gas is purified by the filter device 6, so that the harmful gases need to be purified and filtered before being discharged, and then discharged through the axial flow fan 8, and then the motor 15 is started. The output end of the motor 15 can drive the reciprocating screw 16 to rotate, and the screw threadedly connected to the reciprocating screw 16 is rotated. The pattern block 18 can drive the fixed plate 20 to move upward, and the fixed plate 20 is fixedly connected to the limit block 19. The fixed plate 20 can drive the limit plate to move up and down along the limit rod 17, so that the fixed plate 20 drives the tension spring 21 and the sponge 22 to wipe the glass door 3 back and forth to ensure the cleaning of the glass door 3. Finally, after the operation is completed, the positioning rod 13 can be pulled to separate the positioning rod 13 from the positioning groove 11 at the card slot 9, and then the filter device 6 can be separated from the cabinet 1, and the filter device 6 can be replaced or cleaned.

[0029] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A salt spray test fume hood anti-corrosion structure, comprising a cabinet body (1), characterized in that: One end of the cabinet (1) is fixedly connected to a support plate (2), and the interior of the support plate (2) is slidably connected to a glass door (3); A purification box (4) is provided on the right side of the cabinet (1), and a pipe (5) is connected between the purification box (4) and the cabinet (1), and a filter device (6) is slidably connected inside the purification box (4), a connecting plate (7) is fixedly connected to the top of the filter device (6), and an axial flow fan (8) is installed on the right side of the purification box (4).

2. The anti-corrosion structure of a salt spray test fume hood according to claim 1, characterized in that: A card slot (9) is provided on the top of the purification box (4), a card block (10) is fixedly connected to the bottom of the fixing plate (20), and a positioning slot (11) is provided on one side of the card block (10).

3. The anti-corrosion structure of a salt spray test fume hood according to claim 1, characterized in that: A cavity (12) is provided inside the purification box (4) near the left side of the positioning groove (11), and a positioning rod (13) is slidably connected inside the cavity (12), and a support spring (14) is connected between the positioning rod (13) and the cavity (12).

4. The anti-corrosion structure of a salt spray test fume hood according to claim 1, characterized in that: A motor (15) is installed on the top of the cabinet (1), and a reciprocating screw rod (16) is connected to the output end of the motor (15).

5. The anti-corrosion structure of a salt spray test fume hood according to claim 4, characterized in that: The outer surface of the reciprocating screw rod (16) is threadedly connected to a threaded block (18), and the interior of the cabinet (1) is fixedly connected to a limit rod (17), the outer surface of the limit rod (17) is slidably connected to a limit block (19), and a fixed plate (20) is connected between the threaded block (18) and the limit block (19).

6. The anti-corrosion structure of a salt spray test fume hood according to claim 5, characterized in that: One end of the fixing plate (20) is connected to a tension spring (21), and one end of the tension spring (21) is provided with a sponge (22).

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