Spraying structure of salt spray test box

Abstract

The utility model discloses a spray structure of a salt spray test box, which comprises a box body, a fixed rod is fixedly connected between the inner walls of the two sides of the box body, a connecting pipe is fixedly connected to the middle position of the fixed rod, a spray pipe is movably connected to the bottom of the connecting pipe, a plurality of atomizing nozzles are arranged on one side of the spray pipe, and the atomizing nozzles are arranged on the other side of the spray pipe. A motor is fixedly connected to the outer wall of the bottom of the box body, one end of an output shaft of the motor penetrates through the box body and is fixedly connected with a second gear, an annular convex block is fixedly connected to the inner wall of the bottom of the box body, a first gear is movably connected to the outer side of the annular convex block, the first gear is meshed with the second gear, and the first gear is fixed to the spraying pipe. According to the salt mist spraying device, salt mist can be sprayed out in multiple directions through the atomizing spray head, so that the salt mist is in full contact with a test article, and the test article can be stably clamped by the sliding block through the clamping assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of salt spray experiments, in particular to a spray structure of a salt spray test box. Background Art

[0002] Salt spray test is an environmental test that mainly uses artificial simulated salt spray environment conditions created by salt spray test equipment to evaluate the corrosion resistance of products or metal materials. The main purpose of salt spray test is to evaluate the salt spray corrosion resistance of products or metal materials.

[0003] At present, most salt spray corrosion test chambers use spray devices. During operation, the fine mist will settle in the form of free fall, resulting in the test product not being able to better contact the fine mist solution, which leads to deviations in the test data and affects the results of the hydrochloric acid experiment. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a spray structure for a salt spray test box.

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

[0006] A spray structure of a salt spray test box comprises a box body, a fixing rod is fixedly connected between the inner walls on both sides of the box body, a connecting pipe is fixedly connected to the middle position of the fixing rod, a spray pipe is movably connected to the bottom of the connecting pipe, a plurality of atomizing nozzles are provided on one side of the spray pipe, a motor is fixedly connected to the bottom outer wall of the box body, one end of the motor output shaft passes through the box body and is fixedly connected to a second gear, an annular protrusion is fixedly connected to the bottom inner wall of the box body, a first gear is movably connected to the outer side of the annular protrusion, and the first gear is meshed with the second gear, the first gear is fixed to the spray pipe, and a support rod is fixedly connected to the bottom inner wall of the box body, and a clamping assembly is provided at the top of the support rod.

[0007] As a further solution of the utility model, the clamping assembly includes a fixed block, which is fixed to the top of the support rod by bolts. A slide groove is opened inside the fixed block, and two sliders are movably connected in the slide groove. A screw rod is movably connected inside the fixed block, and the screw rod is threadedly connected to the slider.

[0008] As a further solution of the utility model, a hydrochloric acid tube is fixedly connected to one side of the box body, and the hydrochloric acid tube is connected to the connecting tube.

[0009] As a further solution of the utility model, a water outlet is provided at the bottom of the box body, and a water outlet is fixedly connected to the water outlet.

[0010] As a further solution of the utility model, the top of the box body is movably connected with a top cover.

[0011] As a further solution of the utility model, a thermometer is fixedly connected to an outer wall of one side of the box, and a measuring end of the thermometer passes through the box.

[0012] As a further solution of the utility model, a hygrometer is fixedly connected to an outer wall of one side of the box, and a measuring end of the hygrometer passes through the box.

[0013] As a further solution of the utility model, a clearance opening is opened in the middle position of the first gear, and the support rod is located in the clearance opening.

[0014] The beneficial effects of the utility model are:

[0015] 1. The spray pipe rotates around the clamping assembly to make the atomizing nozzle spray salt mist in multiple directions, so that the salt mist is fully in contact with the test object, thereby improving the experimental effect of the device.

[0016] 2. Through the setting of the clamping assembly, the slider can stably clamp the test object, which is convenient for subsequent salt spray tests and improves the stability of the device.

[0017] 3. The top cover of the utility model can protect the components inside the box, and at the same time prevent the reaction splashes generated inside the box from accidentally injuring the experimenters, thereby improving the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front side stereoscopic structural diagram of a spray structure of a salt spray test box proposed by the utility model;

[0019] Figure 2 A schematic diagram of a cross-sectional structure of a spray structure of a salt spray test box proposed by the utility model;

[0020] Figure 3 It is a partial cross-sectional structural schematic diagram of a spray structure of a salt spray test box proposed by the utility model;

[0021] Figure 4 This is an enlarged structural diagram of part A of the spray structure of a salt spray test chamber proposed by the utility model;

[0022] Figure 5 This is an enlarged structural schematic diagram of part B of the spray structure of a salt spray test chamber proposed by the utility model.

[0023] In the figure: 1. box body; 2. top cover; 3. thermometer; 4. hygrometer; 5. drain; 6. hydrochloric acid tube; 7. connecting pipe; 8. fixing rod; 9. support rod; 10. slider; 11. slide groove; 12. fixing block; 13. screw rod; 14. spray pipe; 15. atomizing nozzle; 16. first gear; 17. second gear; 18. annular protrusion. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, other embodiments obtained by ordinary technicians in this field without making creative work are all within the scope of protection of the utility model.

[0025] Reference Figure 1-Figure 5 A spray structure of a salt spray test box includes a box body 1, a fixing rod 8 is fixed between the inner walls of both sides of the box body 1 by bolts, a connecting pipe 7 is fixed to the middle position of the fixing rod 8 by bolts, a spray pipe 14 is rotatably connected to the bottom of the connecting pipe 7, a plurality of atomizing nozzles 15 are provided on one side of the spraying pipe 14, external hydrochloric acid liquid enters the connecting pipe 7 through the hydrochloric acid pipe 6, flows through the spraying pipe 14, and finally sprays salt spray through the atomizing nozzle 15, a motor is fixed to the outer wall of the bottom of the box body 1 by bolts, one end of the motor output shaft passes through the box body 1 and is keyed to a second gear 17, An annular protrusion 18 is fixed to the bottom inner wall of the box body 1 by bolts, and the outer side of the annular protrusion 18 is rotatably connected with the first gear 16, and the first gear 16 is meshed with the second gear 17. The first gear 16 is fixed to the spray pipe 14, and the bottom inner wall of the box body 1 is fixed with a support rod 9 by bolts. The motor rotates so that the second gear 17 drives the first gear 16 to rotate along the annular protrusion 18, so that the spray pipe 14 rotates and moves around the clamping assembly, and then the atomizing nozzle 15 sprays salt mist in multiple directions, so that the salt mist is in full contact with the test product. A clamping assembly is provided at the top of the support rod 9.

[0026] In the present utility model, it should be noted that the clamping assembly includes a fixed block 12, which is fixed to the top of the support rod 9 by bolts, and a slide groove 11 is provided inside the fixed block 12, and two sliders 10 are slidably connected in the slide groove 11, and a screw rod 13 is rotatably connected inside the fixed block 12, and the screw rod 13 is threadedly connected to the slider 10, and the experimental product is placed on the top of the fixed block 12 and placed between the two sliders 10, and then the screw rod 13 is rotated to make the slider 10 move to the middle along the slide groove 11 respectively, so that the slider 10 clamps the experimental product, and a hydrochloric acid tube 6 connected to a device with hydrochloric acid liquid outside is plugged and fixed on one side of the box body 1, and the hydrochloric acid tube 6 is connected to the connecting pipe 7, and a drain is provided at the bottom of the box body 1. 5. A water pipe 5 is fixed in the water outlet by bolts. A top cover 2 is rotatably connected to the top of the box body 1. The top cover 2 can protect the components inside the box body 1 and prevent the reaction inside the box body 1 from accidentally injuring the experimenter. A transparent observation window is provided on one side of the top cover 2 to facilitate the staff to observe the situation inside the device. A thermometer 3 is fixed on the outer wall of one side of the box body 1 by bolts, and the measuring end of the thermometer 3 passes through the box body 1. The thermometer 3 can detect the temperature inside the box body 1. A hygrometer 4 is fixed on the outer wall of one side of the box body 1 by bolts, and the measuring end of the hygrometer 4 passes through the box body 1. The hygrometer 4 can detect the humidity inside the box body 1. A avoidance opening is opened in the middle position of the first gear 16, and the support rod 9 is located in the avoidance opening.

[0027] Working principle: When the test product needs to be sprayed, first connect the hydrochloric acid tube 6 with the device containing hydrochloric acid liquid outside, then place the test product on the top of the fixed block 12 and make it between the two sliders 10, then rotate the screw rod 13 to make the sliders 10 move to the middle along the slide grooves 11, so that the sliders 10 clamp the test product, and then the external hydrochloric acid liquid enters the connecting pipe 7 through the hydrochloric acid tube 6, and then flows through the spray pipe 14, and finally sprays the salt mist through the atomizing nozzle 15, start the motor, and the motor rotates to make the second gear 17 drive the first gear 16 to rotate along the annular protrusion 18, so that the spray pipe 14 rotates and moves around the clamping assembly, so that the atomizing nozzle 15 sprays salt mist in multiple directions, so that the salt mist and the test product are in full contact.

[0028] In addition, the terms "installation", "setting", "connection" and "socketing" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements or components. Those skilled in the art can understand the specific meanings of the above terms in this application according to specific circumstances.

Claims

1. A spray structure of a salt spray test box, comprising a box body (1), a fixing rod (8) fixedly connected between the inner walls of both sides of the box body (1), a connecting pipe (7) fixedly connected to the middle position of the fixing rod (8), characterized in that: The bottom of the connecting pipe (7) is movably connected to a spray pipe (14), and a plurality of atomizing nozzles (15) are provided on one side of the spray pipe (14). The bottom outer wall of the box (1) is fixedly connected to a motor, and one end of the motor output shaft passes through the box (1) and is fixedly connected to a second gear (17). The bottom inner wall of the box (1) is fixedly connected to an annular protrusion (18), and the outer side of the annular protrusion (18) is movably connected to a first gear (16), and the first gear (16) is meshed with the second gear (17), and the first gear (16) is fixed to the spray pipe (14). The bottom inner wall of the box (1) is fixedly connected to a support rod (9), and a clamping assembly is provided at the top of the support rod (9).

2. The spray structure of a salt spray test chamber according to claim 1, characterized in that: The clamping assembly comprises a fixed block (12), which is fixed to the top end of the support rod (9) by means of bolts, a slide groove (11) is provided inside the fixed block (12), two sliders (10) are movably connected inside the slide groove (11), a screw rod (13) is movably connected inside the fixed block (12), and the screw rod (13) is threadedly connected to the slider (10).

3. The spray structure of a salt spray test chamber according to claim 1, characterized in that: A hydrochloric acid tube (6) is fixedly connected to one side of the box body (1), and the hydrochloric acid tube (6) is connected to the connecting tube (7).

4. The spray structure of a salt spray test chamber according to claim 1, characterized in that: The bottom of the box body (1) is provided with a water outlet (5), and a water pipe is fixedly connected to the water outlet.

5. The spray structure of a salt spray test chamber according to claim 1, characterized in that: The top of the box body (1) is movably connected to a top cover (2).

6. The spray structure of a salt spray test chamber according to claim 1, characterized in that: A thermometer (3) is fixedly connected to an outer wall of one side of the box body (1), and a measuring end of the thermometer (3) passes through the box body (1).

7. The spray structure of the salt spray test chamber according to claim 6, characterized in that: A hygrometer (4) is fixedly connected to an outer wall of one side of the box body (1), and a measuring end of the hygrometer (4) passes through the box body (1).

8. The spray structure of a salt spray test chamber according to claim 1, characterized in that: A clearance opening is provided in the middle of the first gear (16), and the support rod (9) is located in the clearance opening.

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