Chemical reagent testing device

By using a sliding partition plate and a breathable plate in the chemical testing apparatus, the corrosion during the volatilization stage of chemical reagents is simulated, solving the problem that existing devices cannot accurately verify the corrosion resistance of products and achieving more accurate test results.

CN223597487UActive Publication Date: 2025-11-25SHENZHEN SHENGKEYUAN AUTOMOBILE TECH CO LTD
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Patent Information

Application Number
CN202423029533.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-11-25
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

Existing chemical testing equipment is unable to simulate the corrosion state of vehicle products during the volatilization stage after being contaminated with chemical reagents, resulting in inaccurate test results and an inability to effectively verify the product's resistance to chemical reagent corrosion stress.

Method used

A chemical testing device was designed, comprising a box with a door, an upper chamber and a lower chamber. Through a sliding partition plate and a vent plate, and using through holes and a sealing structure, the vaporized chemical reagent is allowed to flow in the upper chamber to simulate the corrosive environment of the product during the volatilization stage.

Benefits of technology

It was achieved that the product could be continuously subjected to chemical reagent gas corrosion during the test without condensation, which is closer to the actual vehicle use condition and can accurately verify the product's resistance to chemical reagent corrosion.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a chemical reagent testing device and belongs to the technical field of testing devices. A chemical reagent testing device comprises a box body with a box door, and further comprises an upper chamber and a lower chamber which are both formed in the box body, a partition plate is arranged between the upper chamber and the lower chamber in a sliding mode, and a plurality of first through holes are formed in the partition plate; the breathable plate is arranged at the top of the upper cavity in a sliding mode, a plurality of second through holes are formed in the breathable plate, and a containing part used for installing workpieces is arranged in the upper cavity; the whole box body is placed in the incubator, gasified chemical reagents enter the upper cavity through the first through hole and then flow out of the second through hole, in the whole test process, products can be corroded by chemical reagent gas all the time, condensation cannot be generated, the products are closer to the state that the products on a real vehicle are corroded after being stained with the chemical reagents, and the product quality is improved. And the chemical reagent corrosion stress resistance of the product can be conveniently verified.
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Description

TECHNICAL FIELD

[0001] The utility model relates to test device technical field especially relates to a chemical reagent test device. BACKGROUND

[0002] In order to evaluate the corrosion resistance and durability of vehicle materials, parts or coatings when contacting various chemical reagents, chemical reagent resistance tests need to be carried out. Such tests are very important to ensure the long-term performance and safety of vehicles under different environments and use conditions.

[0003] Currently, liquid reagent test methods in chemical reagent resistance tests can be roughly divided into two categories: the first category is to completely immerse the product in the reagent or wrap the sample with a chemical reagent soaked with a dust-free cloth, then put it into a PE bag and place it in a incubator for testing. This method cannot actually simulate the situation of the product on the real vehicle staining liquid reagents such as alcohol and cleaning agents. However, since the reagent stained by the product on the real vehicle is initially in a liquid state and then in a volatile state, the corrosion of the product mainly occurs in the volatile stage. The second category is to apply the chemical reagent on the product by dripping or wiping without covering it. After the reagent evaporates in a short time, only part of the crystal or stain left on the surface of the product will be corroded, and the corrosion ability of the dried liquid chemical reagent will be greatly reduced. Therefore, the results obtained by the existing test method cannot truly represent the actual chemical reagent corrosion stress resistance ability of the product. SUMMARY

[0004] The utility model aims at solving the problem that the existing test device is difficult to access the state of the product on the real vehicle being corroded after staining the chemical reagent and is more difficult to verify the chemical reagent corrosion stress resistance ability of the product during the test process, and proposes a chemical reagent test device.

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

[0006] A chemical reagent test device includes a box body with a box door, and further includes: an upper chamber and a lower chamber, both of which are opened in the box body, and a partition plate is slidingly arranged between the upper chamber and the lower chamber, a plurality of first through holes are opened in the partition plate; a gas permeable plate is slidingly arranged on the top of the upper chamber, a plurality of second through holes are opened in the gas permeable plate, and a placing part for mounting a workpiece is arranged in the upper chamber.

[0007] In order to adjust the opening and closing of the second through hole, preferably, a sliding groove is opened in the gas permeable plate, an adjusting plate is slidingly arranged in the sliding groove, and a third through hole corresponding to the second through hole is opened in the adjusting plate.

[0008] In order to facilitate the drive adjusting plate to slide, further, an adjusting groove is formed at the top of one end of the sliding groove, a push plate is slidably arranged in the adjusting groove, one end of the push plate extending into the sliding groove is fixedly connected with the adjusting plate, and an elastic plate is fixedly arranged in the sliding groove, a protrusion is fixedly arranged on the elastic plate, a plurality of grooves are formed at the bottom of the adjusting plate, and the protrusion is connected with one of the grooves.

[0009] In order to improve the sealing effect, further, a sealing ring is fixedly arranged on the end face of the second through hole, and the top and bottom of the adjusting plate are respectively abutted with the corresponding sealing rings.

[0010] Preferably, the placing part comprises a frame, limit grooves are formed at the inner walls of both ends of the upper chamber, the frame is slidably arranged in the corresponding limit grooves at both ends, and L plates are arranged at the bottom of both ends of the frame.

[0011] Preferably, first and second installation grooves are formed in the box, the partition plate is slidably arranged in the first installation groove, the air permeable plate is slidably arranged in the second installation groove, first sealing pads are fixedly arranged on the inner walls of the first and second installation grooves, and a placing disc for placing chemical reagents is slidably arranged in the lower chamber.

[0012] Compared with the prior art, the chemical reagent testing device has the following beneficial effects:

[0013] 1. The chemical reagent testing device, by slidably arranging the partition plate and the air permeable plate in the box, placing the product on the L plate, then placing the chemical reagents in the lower chamber, then closing the box door, and then putting the whole box into the incubator, the chemical reagents after gasification enter the upper chamber through the first through hole and then flow out from the second through hole, during the whole testing process, the product is continuously corroded by the chemical reagent gas and does not produce condensation, which is more close to the state of the product being corroded after being contaminated by the chemical reagents on the real vehicle, and the anti-chemical reagent corrosion stress ability of the product can be verified.

[0014] 2. The chemical reagent testing device, by forming the first and second installation grooves in the box, on the one hand, the installation of the partition plate and the air permeable plate is facilitated, and the position is fixed and reliable, on the other hand, the partition plate and the air permeable plate are convenient to replace, and the use effect is improved.

[0015] The part not involved in the device is same as or can be realized by the prior art, the chemical reagent after gasification enters the upper chamber through the first through hole and then flows out from the second through hole, the product is always corroded by the chemical reagent gas and does not produce condensation in the whole test process, the state is closer to the state that the product is corroded after being contaminated by the chemical reagent on the real vehicle, and the anti-chemical reagent corrosion stress capability of the product can be verified conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A structure diagram of the chemical reagent test device is provided for the utility model Figure 1 ;

[0017] Figure 2 A structure diagram of the chemical reagent test device is provided for the utility model Figure 2 ;

[0018] Figure 3 A sectional view of the chemical reagent test device is provided for the utility model;

[0019] Figure 4 A chemical reagent test device is provided for the utility model Figure 3 An enlarged view of part A of the chemical reagent test device.

[0020] In the figure: 1, box; 101, first mounting groove; 102, second mounting groove; 103, limiting groove; 2, partition plate; 201, first through hole; 3, frame; 301, L plate; 4, air permeable plate; 401, second through hole; 402, sliding groove; 403, adjusting groove; 5, adjusting plate; 501, third through hole; 502, push plate; 6, placing disc. DETAILED DESCRIPTION

[0021] 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.

[0022] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0023] Embodiment:

[0024] Reference Figures 1-4The utility model provides a chemical reagent test device, including the box body 1 with the box door, here, we will adopt the hinge rotation of one end of box door to set up in the front of box body 1, and the other end of box door is detachably connected with box body 1 through the buckle, the opening and closing of box door are convenient, and the second sealing pad is fixedly arranged on the adhering surface of box door and box body 1, improve the sealing effect between box door and box body 1, and two third sealing pads are fixedly arranged on the box door, and the third sealing pad is respectively abutted with the one end of partition plate 2 and air permeable plate 4 close to the box door, further improve the sealing effect, guarantee reliable use. It also includes: upper chamber and lower chamber, both are set up in box body 1, and the partition plate 2 is slidably arranged between the upper chamber and the lower chamber, that is to say, the partition plate 2 divides the box body 1 into the upper chamber and the lower chamber, and a plurality of first through holes 201 are formed in the partition plate 2, the first through hole 201 is formed with two to sixty, here, we prefer forty-nine, forty-nine first through holes 201 extend from the middle position of partition plate 2 to front and back, left and right, in the use process, the gas generated in the lower chamber is conveniently introduced into the upper chamber through the first through hole 201; the material of box body 1, box door, partition plate 2, air permeable plate 4, frame 3 and L plate 301 is preferably corrosion-resistant bakelite. The air permeable plate 4 is slidably arranged on the top of the upper chamber, and the top of the upper chamber is in an open state, that is, the air permeable plate 4 can be used as the top cover of the upper chamber, a plurality of second through holes 401 are formed in the air permeable plate 4, and the second through hole 401 is formed with two to sixty, here, we prefer thirty-five, and a placing part for mounting a workpiece is arranged in the upper chamber.

[0025] In use, by slidingly arranging the partition plate 2 and the air permeable plate 4 in the box body 1, placing the product on the L plate 301, then placing the chemical reagent in the lower chamber, then closing the box door, and then placing the box body 1 in the oven, the gasified chemical reagent enters the upper chamber through the first through hole 201 and then flows out from the second through hole 401, and during the entire test process, the product is continuously corroded by the chemical reagent gas without condensation, which is more close to the state of the product being corroded after being contaminated by the chemical reagent on the actual vehicle, facilitating the verification of the chemical reagent corrosion stress resistance of the product; by forming the first mounting groove 101 and the second mounting groove 102 in the box body 1, on the one hand, the installation of the partition plate 2 and the air permeable plate 4 is facilitated, ensuring that their positions are fixed and reliable, and on the other hand, the partition plate 2 and the air permeable plate 4 are convenient to replace, improving the use effect.

[0026] Refer to Figure 3 And Figure 4In the air permeable plate 4, a sliding groove 402 is formed, the adjusting plate 5 is slidably arranged in the sliding groove 402, a third through hole 501 corresponding to the second through hole 401 is formed on the adjusting plate 5, in use, the adjusting plate 5 is slidably arranged in the air permeable plate 4, the third through hole 501 corresponding to the second through hole 401 is formed on the adjusting plate 5, the misalignment between the third through hole 501 and the second through hole 401 is utilized to realize that the second through hole 401 is in an open or closed state, and the size of the second through hole 401 can be adjusted, thereby improving the use experience.

[0027] With reference to Figure 4 At one end of the top of the sliding groove 402, an adjusting groove 403 is formed, the push plate 502 is slidably arranged in the adjusting groove 403, the push plate 502 is fixedly connected to one end of the sliding groove 402, an elastic plate is fixedly arranged in the sliding groove 402, a protrusion is fixedly arranged on the free end of the elastic plate, a plurality of grooves are formed on the bottom of the adjusting plate 5, the number of the grooves is two to ten, and the number of the grooves is preferably seven, the protrusion is clamped and connected with one of the grooves, when the protrusion is clamped with two grooves at two ends, at this time, the third through hole 501 is completely misaligned with the second through hole 401 or the third through hole 501 is coaxial with the second through hole 401, in use, the push plate 502 is slidably arranged in the adjusting groove 403, the adjusting plate 5 is conveniently pushed and slid in the sliding groove 402, the elastic plate and the protrusion are fixedly arranged in the sliding groove 402, and the grooves are formed on the adjusting plate 5, so that the position of the adjusting plate 5 can be adjusted, and the sliding of the adjusting plate 5 in use is prevented, thereby affecting normal use.

[0028] With reference to Figure 3 And Figure 4 The sealing rings are fixedly arranged on the end faces of the second through holes 401 located on the sliding groove 402, the top and the bottom of the adjusting plate 5 are respectively abutted against the corresponding sealing rings, that is, the sealing rings are fixedly arranged on the end faces of the second through holes 401 located on the sliding groove 402, and the sealing rings are coaxial with the corresponding second through holes 401, in use, the sealing effect between the adjusting plate 5 and the sliding groove 402 can be improved, gas leakage is reduced, and the use effect is improved.

[0029] With reference to Figure 2 And Figure 3Here, we will put the department designed as frame 3, frame 3 is rectangular structure, both ends of the upper chamber on the inner wall are provided with a limiting groove 103, the frame 3 both ends are respectively provided in the corresponding limiting groove 103, and the frame 3 both ends are provided with L plate 301, here, L plate 301 is provided with two at each end of the frame 3, that is, L plate 301 is provided with four, the top of L plate 301 and frame 3 are slidably connected, the T-shaped guide groove is provided at the bottom of the frame 3, the guide block corresponding to the guide groove is fixedly arranged on the top of the long side of the L plate 301, which facilitates the sliding of the L plate 301 and prevents the L plate 301 from falling out of the guide groove. In use, the frame 3 is slidably installed in the limiting groove 103, the distance between the two L plates 301 on the same side is adjusted, and then the product is placed on the L plate 301, so that the product is suspended in the upper chamber, facilitating the flow of gas to the product, and improving the use effect.

[0030] Referring to Figure 2 and Figure 3 The first installation groove 101 and the second installation groove 102 are formed in the box body 1, the partition plate 2 is slidably arranged in the first installation groove 101, and the gas permeable plate 4 is slidably arranged in the second installation groove 102, and the inner walls of the first installation groove 101 and the second installation groove 102 are fixedly provided with first sealing gaskets. The placing disc 6 for placing the chemical reagent is slidably arranged in the lower chamber. In use, the first installation groove 101 and the second installation groove 102 are formed in the box body 1, which facilitates the installation and replacement of the partition plate 2 and the gas permeable plate 4. That is, the partition plate 2 and the gas permeable plate 4 with different sizes of the first through hole 201 and the second through hole 401 or distribution states can be replaced according to actual needs. The placing disc 6 is slidably arranged in the lower chamber, which facilitates the placing of the chemical reagent and improves the use effect.

[0031] In use, after the product is installed in the box body 1 and the chemical reagent is placed in the placing disc 6, the box door is closed, and then it is placed in the incubator. The high temperature in the incubator can accelerate the gasification speed of the chemical reagent. The gas flows to the upper chamber through the first through hole 201 of the lower chamber. Because the second through hole 401 of the upper chamber is at the top, that is, the back of the product, the gas must pass through the product to flow out of the second through hole 401. At the beginning of the test, the second through hole 401 of the upper chamber is closed, the chemical reagent gas fills the entire upper chamber, and then the second through hole 401 of the upper chamber is opened. The gas will flow uniformly and uniformly from the four sides of the product to the second through hole 401. In this way, during the entire test process, the product will be continuously corroded by the chemical reagent gas and will not produce condensation, which is more close to the state of the product being corroded after being contaminated by the chemical reagent on the actual vehicle. It is convenient to verify the anti-chemical reagent corrosion stress ability of the product, and the structure is simple and the manufacturing cost is low.

[0032] The above merely describes a preferred embodiment of the present application, but 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 chemical reagent testing device comprising a housing (1) with a housing door, characterized in that Also includes: The upper chamber and the lower chamber are opened in the box (1), and the sliding plate (2) is arranged between the upper chamber and the lower chamber, a plurality of first through holes (201) are opened in the sliding plate (2); The air permeable plate (4) is slidably arranged on the top of the upper chamber, a plurality of second through holes (401) are opened in the air permeable plate (4), and a placing part for mounting workpieces is arranged in the upper chamber.

2. A chemical reagent testing device according to claim 1, wherein The air permeable plate (4) is slidably arranged on the top of the upper chamber, a plurality of second through holes (401) are opened in the air permeable plate (4), and a placing part for mounting workpieces is arranged in the upper chamber.

3. A chemical reagent testing device according to claim 2, wherein The sliding groove (402) is opened in the air permeable plate (4), the adjusting plate (5) is slidably arranged in the sliding groove (402), and the third through hole (501) corresponding to the second through hole (401) is opened in the adjusting plate (5).

4. A chemical reagent testing device according to claim 3, wherein The adjusting groove (403) is opened in one end of the top of the sliding groove (402), the push plate (502) is slidably arranged in the adjusting groove (403), one end of the push plate (502) extending into the sliding groove (402) is fixedly connected with the adjusting plate (5), and the elastic plate is fixedly arranged in the sliding groove (402), the convex is fixedly arranged on the elastic plate, a plurality of recesses are opened in the bottom of the adjusting plate (5), and the convex is connected with one of the recesses.

5. The chemical reagent testing device of claim 1, wherein, The second through hole (401) is fixedly arranged with a sealing ring on the end face of the sliding groove (402), and the top and bottom of the adjusting plate (5) are respectively abutted with corresponding sealing rings.

6. The chemical reagent testing device of claim 1, wherein, The placing part includes a frame (3), the inner wall of both ends of the upper chamber is opened with a limiting groove (103), both ends of the frame (3) are slidably arranged in the corresponding limiting groove (103), and the bottom of both ends of the frame (3) is provided with an L plate (301), and the top of the L plate (301) is slidably connected with the frame (3). The box (1) is opened with a first mounting groove (101) and a second mounting groove (102), the sliding plate (2) is slidably arranged in the first mounting groove (101), the air permeable plate (4) is slidably arranged in the second mounting groove (102), and the inner wall of the first mounting groove (101) and the second mounting groove (102) is fixedly provided with a first sealing gasket, and the placing disc (6) for placing chemical reagents is slidably arranged in the lower chamber.