High-corrosion-resistance and antibacterial galvanizing device for oil tank of automobile
By designing a rotatable spindle and fixed groove structure for the oil tank's high corrosion resistance and antibacterial galvanized coating device, the problems of unstable loading and unloading and low efficiency of the oil tank were solved, realizing stable suspension and rapid loading and unloading of the oil tank, thus improving the stability and efficiency of production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-04-14
AI Technical Summary
In existing technologies, the loading and unloading of oil tanks is unstable, prone to collisions, and has low loading efficiency.
A high corrosion-resistant and antibacterial galvanizing device for automotive fuel tanks was designed. It adopts a rotatable main shaft and fixed groove structure, and achieves stable suspension and rapid loading and unloading of fuel tanks through limit components and servo motors, avoiding sliding and collision of fuel tanks.
This has improved the stability of loading and unloading the fuel tank and the reliability of production, increased loading efficiency, and ensured processing quality.
Smart Images

Figure CN224119083U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a high corrosion resistance and antibacterial galvanizing device for automotive fuel tanks, belonging to the field of fuel tank surface treatment technology. Background Technology
[0002] High-corrosion-resistant and antibacterial galvanizing involves uniformly coating the surface of the fuel tank with a zinc layer using a hot-dip galvanizing method. Zinc is chemically reactive and readily reacts with oxygen in the air to form a dense zinc oxide film. This film prevents the internal metal from contacting air and moisture, thus providing corrosion protection. Simultaneously, a special processing technique imbues the zinc layer with antibacterial properties, inhibiting the growth and reproduction of bacteria, mold, and other microorganisms, preventing internal corrosion and fuel contamination caused by microbial growth.
[0003] Chinese patent application CN212859438U discloses a placement rack for surface treatment of oil tanks that facilitates loading and unloading. The rack includes a main shaft with several connecting rods fixed circumferentially at both ends. A hanging rod is fixed between two connecting rods distributed axially along the main shaft. Several rings are sleeved on the hanging rod, and hooks are fixed to the outer wall of the rings. The rack also includes a hanging rope fixed to one end of the hanging rod. The hanging rope passes through all the hooks in sequence and is detachably connected to the other end of the hanging rod.
[0004] In the aforementioned prior art, during actual use, the oil tanks slide out when the hanging rope is tilted, and collisions are likely to occur between the oil tanks, which may damage the coating or cause damage between the oil tanks. Furthermore, when there are many oil tanks, the sliding oil tanks are not easy to control, and accidents are likely to occur during unloading, affecting production stability and processing quality. At the same time, when loading, the oil tanks need to be loaded one by one and moved to different positions, resulting in low loading efficiency. Utility Model Content
[0005] The purpose of this utility model is to provide a high corrosion resistance and antibacterial galvanizing device for automotive fuel tanks, which solves the problems of unstable loading and unloading of fuel tanks and low loading efficiency in the existing technology.
[0006] The above-mentioned technical objective of this utility model is mainly achieved through the following technical solution: a high corrosion resistance and antibacterial galvanizing device for automotive fuel tanks, comprising a treatment box, wherein a horizontally arranged and rotatable main shaft is provided inside the treatment box, and a plurality of corresponding first fixing posts and second fixing posts are evenly distributed on the side walls at both ends of the main shaft, wherein a hanging rod is provided at the end of each pair of corresponding first fixing posts and second fixing posts, and a plurality of hooks for suspending the fuel tank and being arranged at equal intervals are provided on the hanging rod, wherein a fixing groove for cooperating with the hanging rod is provided at the end of the first fixing post and the second fixing post, and a limiting member for radially limiting the hanging rod and being able to extend and retract toward the inner wall of the fixing groove is provided in the fixing groove.
[0007] As a further preferred technical solution of this utility model, symmetrically arranged limiting members are provided on both sides of the inner wall of the fixing groove. The limiting members include a limiting part for limiting the hanging rod and a connecting part that is movably connected to the side wall of the fixing groove.
[0008] As a further preferred technical solution of this utility model, the side wall of the fixing groove is provided with a limiting groove that cooperates with the connecting part, and the limiting groove is provided with a plurality of telescopic springs that are connected to the connecting part.
[0009] As a further preferred technical solution of this utility model, the inner side of the limiting part is provided with an arc surface that cooperates with the outer wall of the hanging rod, and the bottom of the fixing groove is provided with a support surface that cooperates with the side wall of the hanging rod.
[0010] As a further preferred technical solution of this utility model, bearings are provided on the side walls at both ends of the hanging rod at positions corresponding to the location of the limiting member, a first arc-shaped groove that mates with the outer circle of the bearing is provided on the arc surface, and a second arc-shaped groove that mates with the outer circle of the bearing is provided on the support surface.
[0011] As a further preferred technical solution of this utility model, both ends of the main shaft are provided with fixing brackets connected to the side wall of the processing box, and the outer wall of the processing box is provided with a servo motor that is connected to the main shaft drive.
[0012] Therefore, this utility model has the advantages of preventing the oil tank from sliding and colliding during loading and unloading, ensuring the stability and reliability of the oil tank during loading and unloading, improving loading efficiency, and ensuring production stability and processing quality. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of this utility model;
[0014] Figure 2 yes Figure 1 A partial structural diagram;
[0015] Figure 3 yes Figure 1 Schematic diagram of the structure of the first and second fixed columns;
[0016] Figure 4 yes Figure 1 A schematic diagram of the limiting component in the diagram. Detailed Implementation
[0017] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.
[0018] like Figure 1-2As shown, a high-corrosion-resistant and antibacterial galvanizing device for automotive fuel tanks includes a treatment tank 1. Inside the treatment tank 1 is a horizontally arranged and rotatable main shaft 2. Both ends of the main shaft 2 are equipped with fixing brackets 11 connected to the side walls of the treatment tank 1. The treatment tank 1 is filled with a large amount of treatment liquid. The main shaft 2 can rotate within the treatment tank 1. A servo motor 12, which is drively connected to the main shaft 2, is located on the outer wall of the treatment tank 1. The servo motor 12 can drive the main shaft 2 to rotate, causing the main shaft 2 to simultaneously rotate each of the first fixing columns 21 and the second fixing columns 22, thereby flipping the first fixing columns 21 and the second fixing columns 22. The hanging rod 3 and the oil tank on the hanging rod 3 are fixed to the first fixing post 21 and the second fixing post 22, or the hanging rod 3 and the oil tank on the hanging rod 3 can be disassembled and unloaded. Multiple corresponding first fixing posts 21 and second fixing posts 22 are evenly distributed on the side walls of both ends of the main shaft 2. A hanging rod 3 is provided at the end of every two corresponding first fixing posts 21 and second fixing posts 22. The hanging rod 3 is provided with multiple hooks 31 for suspending the oil tank and are evenly spaced. The first fixing posts 21 and second fixing posts 22 are symmetrically arranged on the side walls of both ends of the main shaft 2 to fix the hanging rod 3, and the multiple hooks 31 are fixed to the hanging rod. The rod 3 is used to suspend the oil tank. The rod 3 can rotate relative to the first fixed post 21 and the second fixed post 22 to adapt to the angle changes when the main shaft 2 rotates, ensuring that the oil tank is always in a drooping state and maintaining the stability of the oil tank immersion treatment. The ends of the first fixed post 21 and the second fixed post 22 are provided with fixing grooves 23 that cooperate with the rod 3. The fixing grooves 23 are provided with limiting members 24 for radially limiting the rod 3 and can extend and retract toward the inner wall of the fixing grooves 23. The two ends of the rod 3 enter the fixing grooves 23. The fixing grooves 23 radially limit the movement of the rod 3, restricting its movement and maintaining the rod 3's position relative to the oil tank. The stability of the tank suspension is ensured by the opening structure at the top of the fixing groove 23. When the hanging rod 3 enters the fixing groove 23, it pushes open the limiting member 24 and abuts against the bottom surface of the fixing groove 23. The limiting member 24 automatically returns to its original position, limiting the side wall of the hanging rod 3, thereby achieving rapid fixation of the hanging rod 3 by the fixing groove 23. This enables rapid loading of the hanging rod 3 and the oil tank on the hanging rod 3. When unloading, the limiting member 24 is opened by external tools, and the hanging rod 3 is clamped and removed by a robotic arm or other equipment. This allows for stable unloading of multiple oil tanks at once, avoiding collisions between the oil tanks and ensuring stability during unloading.
[0019] like Figure 3-4As shown, symmetrically arranged limiting members 24 are provided on both inner walls of the fixing groove 23. Each limiting member 24 includes a limiting part 241 for limiting the hanging rod 3 and a connecting part 242 that is movably connected to the side wall of the fixing groove 23. The inner side of the limiting part 241 of the limiting member 24 contacts the outer wall of the hanging rod 3, and the connecting part 242 extends into the limiting groove 231. The side wall of the fixing groove 23 is provided with a limiting groove 231 that cooperates with the connecting part 242. Multiple telescopic springs 232 connected to the connecting part 242 are provided inside the limiting groove 231. A gap is formed between the ends of the two limiting members 24. When the hanging rod 3 is sent into the fixing groove 23, the side wall of the hanging rod 3 forms a gap between the two limiting members 24. The compression causes the two limiting members 24 to retract toward the limiting grooves 231 on both sides of the fixing groove 23. The telescopic spring 232 retracts within the limiting groove 231. When the hanging rod 3 is fully inserted into the fixing groove 23, the limiting member 24 automatically rebounds to its original position under the action of the telescopic spring 232, radially limiting the outer wall of the hanging rod 3 to prevent the hanging rod from coming out. The inner side of the limiting part 241 is provided with an arc surface 240 that mates with the outer wall of the hanging rod 3. The bottom of the fixing groove 23 is provided with a support surface 233 that mates with the side wall of the hanging rod 3. Both the arc surface 240 and the support surface 233 mate with the outer wall of the hanging rod 3 and abut against the outer wall of the hanging rod 3, forming a radial limit on the hanging rod 3, increasing the contact area with the hanging rod 3 and reducing wear.
[0020] like Figure 2-3 As shown, bearings 32 are provided on both ends of the hanging rod 3 at positions corresponding to the limiting member 24. The arc surface 241 is provided with a first arc groove 243 that mates with the outer circle of the bearing 32, and the support surface 233 is provided with a second arc groove 234 that mates with the outer circle of the bearing 32. The bearings 32 are provided so that the hanging rod 3 can be rotatably connected to the fixed groove 23 and the limiting member 24 in the fixed groove 23 through the bearings 32. The first arc groove 243 and the second arc groove 234 provide axial limiting for the hanging rod 3 and the bearing 32, thereby strengthening the positioning of the hanging rod and ensuring its stability. At the same time, when the main shaft 2 rotates, the hanging rod 3 can change its angle with the rotation of the main shaft 2, ensuring that the oil tank always hangs down with gravity and preventing the oil tank from falling off due to tilting and being damaged.
[0021] The above embodiments are preferred implementations of this utility model. In addition, this utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of this technical solution are within the protection scope of this utility model.
Claims
1. A high corrosion resistance and antibacterial galvanizing device for automotive fuel tanks, comprising a treatment tank (1), wherein the treatment tank (1) is provided with a horizontally arranged and rotatable main shaft (2), characterized in that: The main shaft (2) has a plurality of corresponding first fixed posts (21) and second fixed posts (22) evenly distributed on the side walls at both ends. Each pair of corresponding first fixed posts (21) and second fixed posts (22) is provided with a hanging rod (3) at the end. The hanging rod (3) is provided with a plurality of hooks (31) for suspending the oil tank and arranged at equal intervals. The ends of the first fixed posts (21) and second fixed posts (22) are provided with a fixing groove (23) that cooperates with the hanging rod (3). The fixing groove (23) is provided with a limiting member (24) for radially limiting the hanging rod (3) and can extend and retract toward the inner wall of the fixing groove (23).
2. The high corrosion resistance and antibacterial galvanizing device for automotive fuel tanks according to claim 1, characterized in that: The inner walls on both sides of the fixing groove (23) are provided with symmetrically arranged limiting members (24). The limiting members (24) include a limiting part (241) for limiting the hanging rod (3) and a connecting part (242) that is movably connected to the side wall of the fixing groove (23).
3. The high corrosion resistance and antibacterial galvanizing device for automotive fuel tanks according to claim 2, characterized in that: The side wall of the fixing groove (23) is provided with a limiting groove (231) that cooperates with the connecting part (242), and the limiting groove (231) is provided with a plurality of telescopic springs (232) that are connected to the connecting part (242).
4. The high corrosion resistance and antibacterial galvanizing device for automotive fuel tanks according to claim 2, characterized in that: The inner side of the limiting part (241) is provided with an arc surface (240) that cooperates with the outer wall of the hanging rod (3), and the bottom of the fixing groove (23) is provided with a support surface (233) that cooperates with the side wall of the hanging rod (3).
5. The high corrosion resistance and antibacterial galvanizing device for automotive fuel tanks according to claim 4, characterized in that: Bearings (32) are provided on both sides of the hanging rod (3) at the positions corresponding to the positions of the limiting member (24). A first arc groove (243) that mates with the outer circle of the bearing (32) is provided on the arc surface (240). A second arc groove (234) that mates with the outer circle of the bearing (32) is provided on the support surface (233).
6. The high corrosion resistance and antibacterial galvanizing device for automotive fuel tanks according to claim 1, characterized in that: Both ends of the main shaft (2) are provided with a fixing frame (11) connected to the side wall of the processing box (1), and the outer wall of the processing box (1) is provided with a servo motor (12) that is connected to the main shaft (2) for transmission.
Citation Information
Patent Citations
Oil tank surface treatment placing rack convenient for feeding and discharging
CN212859438U