Salt spray test device
By employing multiple atomizing nozzles and a placement disc structure in the salt spray test device, the problems of uneven salt spray distribution and limited angle were solved, achieving uniformity and all-round corrosion detection in the salt spray test.
Patent Information
- Application Number
- CN202423038748.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Existing salt spray corrosion testing equipment has the problem that the spray head cannot form a uniform and stable salt spray distribution, resulting in uneven corrosion at different locations on the sample surface, and it cannot achieve multi-angle and all-round corrosion.
A salt spray test device was designed, which adopts multiple atomizing nozzles and a placement plate structure. A water pump delivers salt solution to the atomizing nozzles, and a drive motor drives the placement plate to rotate, so that the test sample can rotate at multiple angles to ensure uniform spraying of salt spray.
It achieves uniformity of salt spray concentration and pressure on the test sample surface, enables multi-angle and all-round corrosion detection, and improves the detection effect.
Smart Images
Figure CN223650387U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to salt mist test technical field especially relates to a salt mist test device. BACKGROUND
[0002] Salt mist test is a kind of environment test mainly using artificial simulated salt mist environment condition created by salt mist test equipment to examine the corrosion resistance of product or metal material, and in order to test the corrosion resistance of material, salt mist test device needs to be used.
[0003] The existing salt mist corrosion test equipment mainly adopts the closed box structure of single spray head, places the sample needing to carry out corrosion test in the box, then sprays the simulated marine atmospheric environment salt solution to the sample through the spray head to generate salt mist to carry out corrosion test to the sample, but this structure has many problems: 1, single spray head cannot form uniform and stable salt mist distribution, the salt mist concentration and pressure received by different positions on the surface of sample are different, leading to big difference in corrosion degree; 2, sample is stationary, only the side facing the spray head can be sprayed by salt mist, and multi-angle and omnidirectional corrosion cannot be realized; therefore a salt mist test device is proposed. SUMMARY
[0004] In view of the defects of the prior art, the utility model provides a salt mist test device, which solves the problems in the above.
[0005] The utility model discloses still provide with above -mentioned one kind of salt mist test device, it includes: box, the right side of the box is fixedly connected with the medicine water tank, and the upper side is hingedly connected with the cover plate, the cover plate lower side is fixedly connected with the sealing block, the cavity is equipped in the box, the cavity is equipped with the placing seat, the middle of the placing seat is equipped with the opening, the placing seat on the opening outer side is equipped with the annular groove, the annular groove is placed with the glass cover, the placing seat between the annular groove and the opening is fixedly connected with the spray rod, the spray rod is L-shaped, and the inside is equipped with atomizing nozzle, the opening is fixedly connected with the limit ring in, the opening is rotatably connected with the placing disc on the limit ring upper side, the placing disc lower side middle position is fixedly connected with the driven wheel, the driving motor is fixedly connected with the driving motor output, and the driving motor output is fixedly connected with the driving motor output, and the driving motor output is fixedly connected with the driving motor output.
[0006] According to the salt mist test device, the placing seat lower side is fixedly connected with the supporting leg, and the supporting leg is located at the driving motor periphery.
[0007] According to the salt mist test device, the placing seat outer side is fixedly connected with the water pipe, the water pipe material is PVC-U water supply pipe, and the water pipe passes through the placing seat and is fixedly connected with the spray rod.
[0008] According to the salt spray test device, there are several atomizing nozzles, which are evenly distributed on the inner side of the spray bar, and the several atomizing nozzles are connected in series through a water distribution pipe.
[0009] According to the salt spray test device, the annular groove is provided with several through holes.
[0010] According to the salt spray test device, the upper side of the medicine tank is provided with a water inlet, and the other end of the water pipe is fixedly connected to the water pump inside the medicine tank.
[0011] According to the salt spray test device, the upper side of the limiting ring is provided with a ball bearing, and there are several balls bearing arranged in a ring.
[0012] This utility model has the following beneficial effects:
[0013] In this invention, a placement plate and a spraying rod are provided on the placement base. Under the action of a water pump, the salt solution in the chemical tank is transported to the atomizing nozzle to spray the test sample. At the same time, under the action of a drive motor, the placement plate is driven to rotate at a constant speed through the drive wheel and the driven wheel, thereby driving the test sample to rotate. This ensures that different positions on the surface of the test sample are subjected to the same salt spray concentration and pressure, achieving multi-angle and all-round corrosion and resulting in good detection effect.
[0014] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0016] Figure 1 This is a structural diagram of a salt spray test device according to the present invention;
[0017] Figure 2 This is a structural diagram of the placement base of a salt spray test device according to this utility model;
[0018] Figure 3 This is a structural diagram of the placement seat of a salt spray test device according to the present invention;
[0019] Figure 4 This is a structural diagram of the placement tray of a salt spray test device according to the present invention.
[0020] Legend:
[0021] 1. Box body; 2. Medicine tank; 3. Cavity; 4. Cover plate; 41. Sealing block; 5. Placement seat; 51. Annular groove; 52. Opening; 53. Limiting ring; 531. Ball bearing; 6. Placement tray; 61. Driven wheel; 7. Spray bar; 71. Atomizing nozzle; 8. Glass cover; 9. Drive motor; 91. Drive wheel; 10. Support leg; 11. Water pipe. Detailed Implementation
[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0023] Reference Figures 1-4 This utility model provides a salt spray test device, which includes a box body 1. A chemical tank 2 is fixedly connected to the right side of the box body 1, and a cover plate 4 is hinged to the upper side. The chemical tank 2 is square in shape and made of metal. A sealing block 41 is fixedly connected to the lower side of the cover plate 4. The sealing block 41 is adapted to the opening size of the cavity 3. A water inlet is provided on the upper side of the chemical tank 2. The other end of the water pipe 11 is fixedly connected to the water pump inside the chemical tank 2. The box body 1 is provided with a cavity 3, and a placement seat 5 is provided inside the cavity 3. The placement seat 5 is disc-shaped.
[0024] The placement base 5 has an opening 52 in the middle. An annular groove 51 is located on the outer side of the opening 52. Several through holes are located within the annular groove 51. A glass cover 8 is placed within the annular groove 51. The through holes allow the salt spray solution sliding off the glass cover 8 to be discharged. A spray rod 7 is fixedly connected to the placement base 5 between the annular groove 51 and the opening 52. The spray rod 7 is L-shaped and has several atomizing nozzles 71 on its inner side. These atomizing nozzles 71 are evenly distributed within the spray rod 7 and are connected in series via a water distribution pipe. A limiting ring 53 is fixedly connected within the opening 52. Several balls 531 are arranged in a ring on the upper side of the limiting ring 53. The balls 531 reduce the friction between the placement plate 6 and the limiting ring 53. The opening 53... A placement tray 6 is rotatably connected inside the opening 52. A driven wheel 61 is fixedly connected to the middle of the lower side of the placement tray 6. A drive motor 9 is fixedly connected to the bottom of the box 1. A drive wheel 91 is fixedly connected to the output end of the drive motor 9. The drive wheel 91 meshes with the driven wheel 61. Four support legs 10 are fixedly connected to the lower side of the placement seat 5. The support legs 10 are evenly distributed and are located on the outer periphery of the drive motor 9. A water pipe 11 is fixedly connected to the outer side of the placement seat 5. The water pipe 11 is made of PVC-U water supply pipe, which has strong chemical stability and is not corroded by media such as acids, alkalis, and salts. The pipe wall is smooth, lightweight, and easy to process and install. The water pipe 11 passes through the placement seat 5 and is fixedly connected to the spray rod 7. When in use, the salt solution in the medicine tank 2 is transported to the atomizing nozzle 71 by the action of the water pump to spray the test sample.
[0025] Working principle: During testing, the test sample is placed on the placement tray 6, and then the glass cover 8 is placed in the annular groove 51 to prevent salt mist from escaping and corroding the chamber 1 when sprayed by the atomizing nozzle 71. Finally, the cover plate 4 is closed to complete the installation. In use, the water pump and drive motor 9 are started. Under the action of the water pump, the salt solution in the chemical tank 2 is delivered to the atomizing nozzle 71 to spray the test sample. At the same time, under the action of the drive motor 9, the placement tray 6 is driven to rotate at a constant speed through the drive wheel 91 and the driven wheel 61, thereby driving the test sample to rotate. This ensures that different parts of its surface are subjected to the same salt mist concentration and pressure, achieving multi-angle and all-round corrosion, resulting in good detection effect.
[0026] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A salt spray test apparatus, characterized in that, include: A box body (1) is provided, with a medicine tank (2) fixedly connected to the right side of the box body (1) and a cover plate (4) hinged to the upper side. A sealing block (41) is fixedly connected to the lower side of the cover plate (4). A cavity (3) is provided inside the box body (1). A placement seat (5) is provided inside the cavity (3). An opening (52) is provided in the middle of the placement seat (5). An annular groove (51) is provided on the placement seat (5) located outside the opening (52). A glass cover (8) is placed in the annular groove (51). The placement seat (5) is located between the annular groove (51) and the opening (52). A spray bar (7) is fixedly connected to the top. The spray bar (7) is L-shaped and has an atomizing nozzle (71) on its inner side. A limiting ring (53) is fixedly connected inside the opening (52). A placement plate (6) is rotatably connected inside the opening (52) on the upper side of the limiting ring (53). A driven wheel (61) is fixedly connected to the middle position on the lower side of the placement plate (6). A drive motor (9) is fixedly connected to the bottom of the box (1). A drive wheel (91) is fixedly connected to the output end of the drive motor (9). The drive wheel (91) meshes with the driven wheel (61).
2. The salt spray test apparatus according to claim 1, characterized in that, The lower side of the placement seat (5) is fixedly connected to a support leg (10), which is located on the outer periphery of the drive motor (9).
3. The salt spray test apparatus according to claim 2, characterized in that, A water pipe (11) is fixedly connected to the outside of the placement seat (5). The water pipe (11) is made of PVC-U water supply pipe. The water pipe (11) passes through the placement seat (5) and is fixedly connected to the spray rod (7).
4. The salt spray test apparatus according to claim 3, characterized in that, There are several atomizing nozzles (71), which are evenly distributed inside the spray bar (7), and the several atomizing nozzles (71) are connected in series through a water distribution pipe.
5. A salt spray testing apparatus according to claim 4, characterized in that, The annular groove (51) has several through holes.
6. A salt spray testing apparatus according to claim 5, characterized in that, The medicine tank (2) is provided with a water inlet on the upper side, and the other end of the water pipe (11) is fixedly connected to the water pump inside the medicine tank (2).
7. A salt spray testing apparatus according to claim 6, characterized in that, The upper side of the limiting ring (53) is provided with ball bearings (531), and there are several ball bearings (531) arranged in a ring.