Salt spray corrosion test box

By installing a scraper and spraying device in the salt spray corrosion test chamber, the problem of salt spray adhering to the glass window and affecting observation was solved, thus achieving the cleaning of the observation window and the smooth conduct of the salt spray test.

CN223679029UActive Publication Date: 2025-12-16DONGGUAN WEINUO TEST EQUIP CO LTD
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Patent Information

Application Number
CN202423206083.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-12-16
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Salt spray adheres to the glass window of the salt spray corrosion test chamber, affecting test observation, and existing technologies are difficult to use effectively to clean it.

Method used

The system employs a squeegee and a spraying device. The squeegee, driven by a screw and a motor, cleans the salt mist from the observation window, while the spraying device, driven by a gear and a motor, sprays the salt mist solution evenly.

Benefits of technology

Effectively clean the salt spray residue on the observation window to ensure its cleanliness and the proper conduct of the salt spray corrosion test.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223679029U_ABST
    Figure CN223679029U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of salt spray corrosion test boxes, in particular to a salt spray corrosion test box which comprises a test box body with an opening in one side, a door plate is hinged to the opening of the test box body through hinges, the test box body is provided with two side plates, a back plate and a top plate, and an observation window is arranged on the door plate. A water scraping plate is installed between two side plates of the test box body, one side of the water scraping plate is attached to the observation window, a first hole plate and a second hole plate are installed on the side wall of the water scraping plate, a lead screw is matched with the first hole plate, a round rod is matched with the second hole plate, the lead screw and the round rod are arranged between the two side plates, and a spraying device is installed on a top plate of the test box body. The cleanliness of the observation window is guaranteed, and the salt spray corrosion test of the tested sample is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to salt mist corrosion test box technical field especially relates to a salt mist corrosion test box. BACKGROUND

[0002] Salt mist corrosion test box is a kind of professional equipment, mainly used to simulate salt mist environment, to assess the corrosion resistance of materials and products, this kind of equipment is widely used in multiple industries, such as aerospace industry, automobile electronics, electronic and electrical, mobile digital, plastic products, metal materials etc., salt mist corrosion test box is simulated marine environment containing salt by salt mist, to the sample under test long time, continuous salt mist corrosion test, to assess its corrosion resistance, in addition to assessing the corrosion resistance of materials, it can also be used to examine the salt mist corrosion capacity of material and its protective layer, and the process quality comparison of similar protective layer, while examining the salt mist corrosion resistance of some products, the working principle of salt mist corrosion test box is that certain concentration of salt water is sprayed to the surface of sample under test, so that sample is exposed to high concentration of salt environment and carries out corrosion test, automobile parts, vehicle body, coating etc. need to pass through salt mist test, to ensure that in the harsh marine climate still can maintain good performance, by setting different test parameters, such as temperature, humidity, salt mist concentration and exposure time, different environmental conditions can be simulated, so as to comprehensively assess the corrosion resistance of materials.

[0003] At present, the front side of salt mist corrosion test box is usually provided with transparent glass window, for observing test progress, a large amount of salt mist needs to be sprayed to the interior of test box during salt mist corrosion test, salt mist is easy to adhere to the glass window of test box, which affects the observation of test progress by test personnel. UTILITY MODEL CONTENTS

[0004] The utility model discloses a salt mist corrosion test box, the observation window on the door plate can be cleaned through the wiper, so that the salt mist residue on the observation window can be cleaned, the cleanness of the observation window is guaranteed, the salt mist solution can be sprayed through the spray hole of the spray head, when the driven gear engages the driving gear rotation, the salt mist solution in the spray head can be sprayed comprehensively, and the salt mist corrosion test of the sample under test is guaranteed.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of salt spray corrosion test chamber, including the test chamber body of one side opening, the door plate of test chamber body is hinged installation by hinge at opening, test chamber body has two side plates, back plate and top plate, observation window is provided on door plate, wiper is installed between the two side plates of test chamber body, one side of wiper is attached on observation window, first aperture plate and second aperture plate are installed on the side wall of wiper, first aperture plate is matched with screw rod, second aperture plate is matched with round bar, screw rod and round bar are arranged between two side plates, spraying device is installed on the top plate of test chamber body.

[0007] Preferably, one end of screw rod is installed first motor base, first motor base is arranged in the side plate of test chamber body, the other end of screw rod is installed first bearing, outer ring of first bearing is installed first ring, and first ring is arranged on the side wall of side plate.

[0008] Preferably, second ring is installed at both ends of round bar, and second ring is installed between two side plates.

[0009] Preferably, spraying device includes spray head, cylinder is installed on the top surface of spray head, and cylinder is connected with the top plate of test chamber body.

[0010] Preferably, second bearing is arranged on cylinder, driven gear is installed on the outer ring of second bearing, one side of driven gear is engaged with driving gear, driving gear is internally installed rotating shaft, second motor base is arranged on rotating shaft, and rotating shaft extends to the top end outside of the top plate of test chamber body and is connected with second motor base.

[0011] Preferably, spray hole is formed in the bottom end of spray head, water inlet pipe is connected to spray head, and water inlet pipe is arranged on the top plate of test chamber body.

[0012] The utility model has the following beneficial effects:

[0013] 1, wiper is installed between the two side plates of test chamber body, the observation window on door plate can be cleaned through wiper, so that the salt mist residue on observation window can be cleaned, the cleanliness of observation window is guaranteed, salt mist is prevented from adhering to the glass window of test chamber, and the observation test process of test personnel is affected.

[0014] 2, spraying device is installed on the top plate of test chamber body, salt mist solution can be sprayed through the spray hole of spray head by connecting external salt mist solution through water inlet pipe, when driven gear engages driving gear to rotate, salt mist solution in spray head can be fully sprayed, and the salt mist corrosion test of measured sample is guaranteed. ACCURACY OF DRAWINGS

[0015] Figure 1 It is left side structure schematic view of salt mist corrosion test chamber;

[0016] Figure 2 It is right side structure schematic view of salt mist corrosion test chamber.

[0017] Figure 3 It is a structure schematic view of the side plate of the test box body and the wiper plate;

[0018] Figure 4 It is a structure schematic view of the wiper plate;

[0019] Figure 5 It is a structure schematic view of the top plate of the test box body;

[0020] Figure 6 It is a structure schematic view of the internal structure of the spraying device.

[0021] In the figure: 1, test box body; 2, door plate; 3, observation window; 4, wiper plate; 401, first hole plate; 402, second hole plate; 403, lead screw; 404, first motor base; 405, first bearing; 406, first ring; 407, round rod; 408, second ring; 5, spraying device; 501, spraying head; 502, spraying hole; 503, cylinder; 504, second bearing; 505, driven gear; 506, driving gear; 507, rotating shaft; 508, second motor base; 509, water inlet pipe. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0023] Reference Figures 1-6 A salt spray corrosion test box, comprising a test box body 1 with one side opening, a door plate 2 is hingedly installed at the opening of the test box body 1, the test box body 1 has two side plates, a back plate and a top plate, an observation window 3 is arranged on the door plate 2, a wiper plate 4 is installed between the two side plates of the test box body 1, one side of the wiper plate 4 is attached to the observation window 3, the automobile parts, the vehicle body, the coating and other structures are placed inside the test box body 1, the salt spray corrosion test operation is carried out on the automobile parts, the vehicle body, the coating and other structures, and the salt spray test is carried out to ensure that the performance can still be good in the harsh marine climate.

[0024] The first hole plate 401 and the second hole plate 402 are installed on the side wall of the wiper plate 4, the lead screw 403 is matched on the first hole plate 401, one end of the lead screw 403 is installed with the first motor base 404, a micro motor is installed on the first motor base 404, the micro motor adopts a micro speed reducer motor with model N20, the first motor base 404 is arranged in the side plate of the test box body 1, the other end of the lead screw 403 is installed with the first bearing 405, the outer ring of the first bearing 405 is installed with the first ring 406, the first ring 406 is arranged on the side wall of the side plate, and the round rod 407 is matched on the second hole plate 402.

[0025] The lead screw 403 and the round rod 407 are arranged between the two side plates, the two ends of the round rod 407 are provided with the second circular ring 408, the second circular ring 408 is arranged between the two side plates, the observation window 3 on the door plate 2 can be cleaned by the wiper plate 4, so that the salt mist residue on the observation window 3 can be cleaned, and the cleanliness of the observation window 3 is guaranteed.

[0026] The top plate of the test box body 1 is provided with a spraying device 5, the spraying device 5 comprises a spraying head 501, the top surface of the spraying head 501 is provided with a cylinder 503, the cylinder 503 is connected with the top plate of the test box body 1, the cylinder 503 is provided with a second bearing 504, the outer ring of the second bearing 504 is provided with a driven gear 505, one side of the driven gear 505 is engaged with a driving gear 506, the inside of the driving gear 506 is provided with a rotating shaft 507, the rotating shaft 507 is provided with a second motor base 508, the second motor base 508 is provided with a motor, the motor is a brushless DC motor with a model number of JC35W5, the rotating shaft 507 extends to the outside of the top end of the top plate of the test box body 1 and is connected with the second motor base 508, the bottom end of the spraying head 501 is provided with a spraying hole 502, and the spraying head 501 is connected with a water inlet pipe 509.

[0027] The water inlet pipe 509 is arranged on the top plate of the test box body 1, the external salt mist solution can be connected with the water inlet pipe 509, so that the salt mist solution can be sprayed through the spraying hole 502 of the spraying head 501, when the driven gear 505 engages with the driving gear 506 to rotate, the salt mist solution in the spraying head 501 can be fully sprayed, and the salt mist corrosion test of the measured sample is guaranteed.

[0028] When the salt mist corrosion test box is used for the salt mist corrosion test of automobile parts, vehicle bodies, coatings and the like, the automobile parts, vehicle bodies, coatings and the like are placed in the inside of the test box body 1, the external salt mist solution is delivered to the inside of the spraying head 501 through the water inlet pipe 509, the salt mist solution is sprayed on the automobile parts, vehicle bodies, coatings and the like in the inside of the test box body 1, the motor installed on the second motor base 508 of the spraying device 5 on the top plate of the test box body 1 is started, so that the driving gear 506 at the bottom end of the motor output shaft rotating shaft 507 engages with the driven gear 505 to rotate, the spraying head 501 installed on the driven gear 505 through the second bearing 504 and the cylinder 503 can rotate on the top plate of the test box body 1, the salt mist solution is fully sprayed on the automobile parts, vehicle bodies, coatings and the like, the salt mist corrosion test is carried out, after the salt mist corrosion test is completed, the motor on the first motor base 404 of the side plate is started, so that the lead screw 403 on the first motor base 404 can rotate between the two side plates, so that the wiper plate 4 on the lead screw 403 and the round rod 407 can move, the salt mist residue attached to the observation window 3 can be cleaned by the wiper plate 4, and the use and cleaning of the test box body 1 by the user are guaranteed.

[0029] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A salt spray corrosion test chamber comprising a test chamber body (1) having an open side, a door panel (2) hingedly mounted at the open side of the test chamber body (1), the test chamber body (1) having two side panels, a back panel and a top panel, characterised in that: The door plate (2) is provided with an observation window (3), a wiper (4) is installed between the two side plates of the test box body (1), one side of the wiper (4) is attached to the observation window (3), a first hole plate (401) and a second hole plate (402) are installed on the side wall of the wiper (4), a lead screw (403) is matched on the first hole plate (401), a round rod (407) is matched on the second hole plate (402), the lead screw (403) and the round rod (407) are arranged between the two side plates, and a spraying device (5) is installed on the top plate of the test box body (1).

2. A salt spray corrosion test chamber according to claim 1, characterised in that: One end of the lead screw (403) is provided with a first motor base (404), the first motor base (404) is arranged in the side plate of the test box body (1), the other end of the lead screw (403) is provided with a first bearing (405), the outer ring of the first bearing (405) is provided with a first circular ring (406), and the first circular ring (406) is arranged on the side wall of the side plate.

3. A salt spray corrosion test chamber as claimed in claim 1, wherein: The round rod (407) is provided with a second circular ring (408) at both ends, and the second circular ring (408) is arranged between the two side plates.

4. The salt spray corrosion test chamber of claim 1, wherein: The spraying device (5) comprises a spraying head (501), a cylinder (503) is arranged on the top surface of the spraying head (501), and the cylinder (503) is connected with the top plate of the test box body (1).

5. A salt spray corrosion test chamber according to claim 4, characterised in that: A second bearing (504) is arranged on the cylinder (503), a driven gear (505) is arranged on the outer ring of the second bearing (504), one side of the driven gear (505) is engaged with a driving gear (506), a rotating shaft (507) is arranged in the driving gear (506), a second motor base (508) is arranged on the rotating shaft (507), and the rotating shaft (507) extends to the outside of the top end of the top plate of the test box body (1) and is connected with the second motor base (508).

6. A salt spray corrosion test chamber as claimed in claim 4, wherein: Spraying holes (502) are formed in the bottom end of the spraying head (501), and a water inlet pipe (509) is communicated with the spraying head (501) and arranged on the top plate of the test box body (1).