Salt spray corrosion tester
By installing a scraper and a drive motor transmission assembly on the inner wall of the salt spray corrosion tester's chamber cover, combined with a water pump supply design for the spray assembly, the problems of atomization on the chamber cover and salt stains on the inner wall are solved, enabling convenient observation and cleaning and extending the service life of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-03-27
AI Technical Summary
Existing salt spray corrosion testers often exhibit a fogging phenomenon on the lid during use, making experimental observation inconvenient. They are also difficult to clean and prone to salt stains on the inner wall, affecting their service life.
A scraper and drive motor are installed on the inner wall of the box cover. A transmission component enables the scraper to move left and right. Combined with the spray component, water is supplied by a water pump, and the spray head cleans the inside of the box to prevent salt stains from forming.
It effectively clears the fog on the chamber lid, making it easier to observe the experimental process, and allows for convenient cleaning of the inside of the chamber after the experiment, thus extending the service life of the testing instrument and maintaining a clean testing environment.
Smart Images

Figure CN224051922U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to salt mist test technical field especially relates to a salt mist corrosion testing instrument. BACKGROUND
[0002] For the material and product applied to the environment with serious salt corrosion, it is necessary to accurately grasp the ability of resisting salt mist corrosion. The salt mist corrosion test box is one of the artificial climate environment "three proofing" (heat and humidity, salt mist, mold) test equipment, and is an important test equipment for researching the environmental adaptability and reliability of various industries such as machinery, national defense industry, light industry, electronics and instruments.
[0003] Through the search, the utility model discloses a salt mist corrosion testing instrument of patent for utility model with publication No. CN207488150U, including salt mist chamber and control device panel, the salt mist chamber includes the box and the box cover, one side of the box cover is hinged on the box, the top edge of the box is provided with a groove, the edge of the box cover is inserted into the groove, and is sealed with water, the inner chamber of the box upper portion is provided with the bracket for placing test sample, the inner wall of the box is provided with salt mist spray tower, the salt mist spray tower is hung on the groove through the hook arranged on the outer wall of salt mist spray tower, the salt mist spray nozzle connected with the water suction pipe is arranged in the salt mist spray tower. The utility model can examine the ability of salt mist corrosion of material and its protective layer, and the process quality comparison of similar protective layer, and can product resistance to salt mist corrosion ability, adopts the bracket structure to place test sample, and the flexibility is strong, can adapt to the product of multiple size specifications, can stably place the product, guarantees the progress of salt mist corrosion test, although the device can carry out salt mist corrosion test, but the atomization phenomenon often appears on the box cover when using, leading to that experimental observation is extremely inconvenient, secondly, it is inconvenient to clean the inside of the box after use, salted meat is prone to occur on the inner wall after long-term use, therefore, the above-mentioned device still has certain deficiency. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the prior art problems and provides a salt mist corrosion testing instrument.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A salt mist corrosion testing instrument, including main box, the box cover hinged in the top of main box and the vice box body setting in the side of main box, the inside of main box is provided with salt mist spray tower, the inner wall of box cover is provided with the scraper for cleaning the box cover, the outer wall of box cover is provided with the drive motor, the drive motor output is provided with transmission assembly and realizes the cleaning of driving scraper along with the left and right movement of box cover, the inside of scraper is provided with the spray assembly for cleaning the inside of main box to avoid the salted meat on the inner wall.
[0007] As the preferred technical scheme of the present application, the transmission assembly comprises a guide rod fixedly arranged on the inner wall of the box cover and a transmission screw rod rotatably arranged on the inner wall of the box cover and connected with the driving motor at one end, wherein a connecting column is threadedly connected to the outer wall of the transmission screw rod, the connecting column is slidably connected with the guide rod, the scraper is connected to the top of the connecting column and abuts against the box cover.
[0008] As the preferred technical scheme of the present application, the spraying assembly comprises a mounting bracket arranged on the inner side wall of the scraper and connected with the bottom of the connecting column, a water distribution pipe arranged at the bottom of the mounting bracket, and a plurality of spray heads arranged on the outer wall of the water distribution pipe.
[0009] As the preferred technical scheme of the present application, one end of the water distribution pipe is connected with a flexible expansion hose, and the other end of the flexible expansion hose away from the water distribution pipe penetrates through the main tank body and is connected with a water pump.
[0010] As the preferred technical scheme of the present application, the main tank body is further provided with an object placing rod, an object placing rack and a collection cup, and a heating rod is arranged at the bottom of the inner side of the main tank body, and a mist metering barrel is arranged on the outer wall of the heating rod.
[0011] As the preferred technical scheme of the present application, the auxiliary tank body is provided with a control panel and a salt water supplement inlet, and a salt water tank connected with the salt mist spray tower is arranged in the auxiliary tank body.
[0012] Compared with the prior art, the utility model provides a salt mist corrosion testing instrument, has the following beneficial effects:
[0013] 1. The salt mist corrosion testing instrument, by setting the scraper on the inner wall of the box cover, and being provided with the driving motor and the transmission assembly, realizes the left and right movement of the scraper on the inner wall of the box cover, effectively cleans the mist on the box cover, and avoids the inconvenience caused by the atomization phenomenon during the observation experiment.
[0014] 2. The salt mist corrosion testing instrument, by the setting of the spraying assembly, especially the combination of the mounting bracket connected with the bottom of the connecting column, the water distribution pipe and the spray head, the inside of the tank body can be conveniently cleaned after the test is completed, the water source is provided by the water pump, the flexible expansion hose is connected with the water distribution pipe, the spray head uniformly sprays water in the inside of the tank body, the inside is cleaned, the problem of salt deposit on the inner wall after long-term use is effectively avoided, the service life of the testing instrument is prolonged, and the cleanliness of the test environment is maintained. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The structure of the utility model is shown Figure 1 ;
[0016] Figure 2 The structure of the utility model is shown Figure 2 ;
[0017] Figure 3 A cross-sectional structure of the present application Figure 1 ;
[0018] Figure 4 A cross-sectional structure of the present application Figure 2 ;
[0019] Figure 5 A cross-sectional structure of the present application Figure 4 A cross-sectional structure of the present application
[0020] In the drawings:
[0021] 100, main box body; 101, box cover; 102, auxiliary box body; 103, salt spray tower; 104, storage rod; 105, storage rack; 106, collection cup; 107, falling mist metering barrel; 108, control panel; 109, salt water supplement inlet; 200, scraper; 300, driving motor; 301, transmission assembly; 302, guide rod; 303, transmission screw; 304, connecting column; 400, spraying assembly; 401, mounting rack; 402, water distribution pipe; 403, spraying head; 404, flexible telescopic hose; 405, water pump. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application, and all other embodiments obtained by a person of ordinary skill in the art without creative labor on the basis of the embodiments in the present application shall fall within the scope of protection of the present application. EMBODIMENT
[0023] Reference Figures 1-4The utility model provides a kind of salt spray corrosion tester, including main box 100, hinged in the top of main box 100 box cover 101 and be provided in the side of main box 100 sub-box 102, wherein, box cover 101 adopts transparent material, to facilitate observing test condition at any time, main box 100 inside is provided with salt spray tower 103, scraper 200 for cleaning box cover 101 is provided on the inner wall of box cover 101, driving motor 300 is provided on the outer wall of box cover 101, driving motor 300 output end is provided with transmission assembly 301, scraper 200 inside is provided with spray assembly 400 for cleaning the inside of main box 100 to avoid the salted appearance on its inner wall, when test starts, brine is pumped into salt spray tower 103 by pipeline, is sprayed in mist form by specific nozzle structure, forms salt spray environment, by being provided scraper 200, the salt spray atomized on box cover 101 can be scraped and cleaned, to facilitate observing the test condition of part salt spray corrosion, cooperate with the set spray assembly 400, after test ends, the inside of main box 100 can be carried out spray cleaning operation, keep the cleanliness of the inside of main box 100, avoid the problem of salted appearance on inner wall after long-term use.
[0024] Refer to Figures 4-5 Transmission assembly 301 includes guiding rod 302 fixedly arranged on the inner wall of box cover 101 and transmission screw rod 303 rotatably arranged on the inner wall of box cover 101 and connected with driving motor 300 at one end, wherein the outer wall of transmission screw rod 303 is threadedly connected with connecting column 304, connecting column 304 is slidably connected with guiding rod 302, scraper 200 is connected to the top of connecting column 304 and abuts against box cover 101, by the setting transmission assembly 301 and driving motor 300, scraper 200 and spray assembly 400 can be driven to move left and right along main box 100, to realize the cleaning effect of main box 100 and box cover 101.
[0025] Refer to Figures 2-5 Spray assembly 400 includes mounting bracket 401 arranged on the inner wall of scraper 200 and connected with the bottom of connecting column 304, water distribution pipe 402 arranged at the bottom of mounting bracket 401 and spray head 403 arranged in array on the outer wall of water distribution pipe 402.
[0026] One end of water distribution pipe 402 is connected with flexible expansion hose 404, the end of flexible expansion hose 404 away from water distribution pipe 402 penetrates through main box 100 and is connected with water pump 405, specifically, when needing to clean the inside of box, water pump 405 supplies water to water distribution pipe 402 through flexible expansion hose 404, water is sprayed from spray head 403, to carry out spray flushing operation to the inside of main box 100, to avoid the problem of salted appearance on inner wall after long-term use.
[0027] Refer toFigure 3 、 Figure 4 and Figure 5 , the main box 100 inside is also provided with a storage rod 104, a storage rack 105 and a collection cup 106, the inside bottom of the main box 100 is provided with a heating rod, the outer wall is provided with a falling mist metering barrel 107, the storage rod 104 and the storage rack 105 are used for placing test samples of different sizes and specifications, the storage rod 104 and the storage rack 105 provide stable support, ensure that the sample does not shift or pour during the test process, the collection cup 106 is used for collecting salt mist and dripping water generated during the test process, the heating rod is used for controlling the temperature of the test environment; the outer wall of the main box 100 is provided with a falling mist metering barrel 107, which is used for measuring the settlement amount of salt mist, so as to evaluate the salt mist concentration of the test environment;
[0028] Referring to Figures 1-4 , the sub-box 102 is provided with a control panel 108 and a salt water supplement inlet 109, and the inside is provided with a salt water tank connected with the salt mist spray tower 103, the control panel 108 is used for controlling the operating parameters of the test instrument, such as temperature, salt mist concentration and the like, the salt water supplement inlet 109 allows the operator to conveniently supplement salt water during the test process, which is all mature technology, so it is not repeated.
[0029] Specifically, the salt spray corrosion tester in use: the parts to be detected are placed on the storage rod 104 or the storage rack 105, the box cover 101 is covered, the salt spray tower 103 is arranged in the main box body 100, and the salt water is provided through the salt water tank, when the test starts, the salt water is pumped into the salt spray tower 103 through the pipeline, is sprayed in the form of mist through the specific nozzle structure, and a salt spray environment is formed; the box cover 101 is made of transparent material, so that the test situation in the box cover 101 can be observed, when the mist adhered to the inner wall of the box cover 101 is not convenient for observation, the driving motor 300 is started to drive the transmission screw rod 303 connected to the output end to rotate, and the guide rod 302 is arranged to drive the connecting column 304 connected with the transmission screw rod 303 and the scraper 200 connected to the top of the connecting column 304 to move left and right along the box cover 101, the scraper 200 is abutted with the box cover 101, so that when it moves left and right, the atomized salt water on the inner wall of the box cover 101 can be scraped off, thereby facilitating observation, after the test is completed, in order to avoid salted on the inner wall of the main box body 100 and the box cover 101 due to long-term use, the inside needs to be cleaned at this time, when cleaning, the external clean water is extracted by the water pump 405, the extracted clean water is supplied to the water distribution pipe 402 inside through the arranged flexible extension hose 404, then the clean water is sprayed from the inside of the spray head 403, at the same time, the driving motor 300 is started to drive the mounting bracket 401 and the water distribution pipe 402 to move left and right along the main box body 100, so that the inside of the main box body 100 is sprayed and cleaned, and the scraper 200 can clean the residual salt water on the box cover 101, so that the main box body 100 and the box cover 101 can be conveniently cleaned, the problem of salted on the inner wall after long-term use is effectively avoided, and the service life of the tester is improved.
[0030] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A salt spray corrosion tester comprising a main box body (100), a box cover (101) hinged on the top of the main box body (100), and a sub-box body (102) arranged on the side of the main box body (100), characterized in that, The main box (100) is internally provided with a salt spray tower (103), the inner wall of the box cover (101) is provided with a scraper (200) for cleaning the box cover (101), the outer wall of the box cover (101) is provided with a driving motor (300), the output end of the driving motor (300) is provided with a transmission assembly (301) for driving the scraper (200) to move left and right along the box cover (101) to realize cleaning, and the inner side of the scraper (200) is provided with a spraying assembly (400) for cleaning the inside of the main box (100) to avoid salted appearing on the inner wall thereof.
2. The salt spray corrosion tester according to claim 1, wherein The transmission assembly (301) comprises a guide rod (302) fixedly arranged on the inner wall of the box cover (101) and a transmission screw rod (303) rotatably arranged on the inner wall of the box cover (101) and connected with the driving motor (300) at one end, wherein the outer wall of the transmission screw rod (303) is threadedly connected with a connecting column (304), the connecting column (304) is slidably connected with the guide rod (302), the scraper (200) is connected to the top of the connecting column (304) and abuts against the box cover (101).
3. The salt spray corrosion tester of claim 2, wherein, The spraying assembly (400) comprises a mounting bracket (401) arranged on the inner side wall of the scraper (200) and connected with the bottom of the connecting column (304), a water distribution pipe (402) arranged at the bottom of the mounting bracket (401), and a plurality of spray heads (403) arranged in an array on the outer wall of the water distribution pipe (402).
4. The salt spray corrosion tester of claim 3, wherein One end of the water distribution pipe (402) is connected with a flexible expansion hose (404), and the end of the flexible expansion hose (404) away from the water distribution pipe (402) penetrates through the main box (100) and is connected with a water pump (405).
5. The salt spray corrosion tester of claim 1, wherein The main box (100) is internally provided with an article placing rod (104), an article placing rack (105) and a collecting cup (106), the bottom of the inner side of the main box (100) is provided with a heating rod, and the outer wall of the heating rod is provided with a mist metering barrel (107).
6. The salt spray corrosion tester of claim 1, wherein The auxiliary box (102) is provided with a control panel (108) and a salt water supplement inlet (109), and the inside of the auxiliary box (102) is provided with a salt water tank connected with the salt spray tower (103).
Citation Information
Patent Citations
Salt fog corrosion test appearance
CN207488150U