A spraying auxiliary device for fixing automobile charging port cover plate

Abstract

The utility model relates to a kind of spraying auxiliary device for fixing automobile charging port cover plate, belong to automobile spraying field, including flow guide ring (1) and connecting rod (2), first support rod (4) is equipped on the connecting rod (2), the first support rod (4) and flow guide ring (1) bottom connection, the connecting rod (2) one end is equipped with support seat (3), the support seat (3) and charging port cover plate connection.Spraying auxiliary device is fixed on the car by buckle (8), threaded column (10) is inserted automobile sheet metal hole and is fixed, installation is convenient;By being provided with support seat (3) on connecting rod (2), support seat (3) and automobile charging port cover plate (13) connection, when realizing spraying, automobile charging port cover plate (13) is closer to door, color appearance difference risk is less, and spraying effect is better.

Description

Technical Field

[0001] This utility model belongs to the field of automotive painting. Specifically, this utility model relates to a painting auxiliary device for fixing the cover plate of an automotive charging port. Background Technology

[0002] Due to the need for external charging, new energy vehicles have added a charging port cover component. This cover must maintain the same color as the surrounding parts, so the raw material of the component needs to be painted. This component is usually fixed to the vehicle body door using tooling, and painted at the same time as the vehicle body is painted. The existing technology that uses gravity self-locking is not suitable for large-sized charging covers. In order to ensure the color difference between the charging cover and the surrounding parts, the component needs to be close to the surrounding vehicle body. The farther away from the vehicle body, the easier it is for the appearance to deviate. The existing installation method will cause the charging port cover to be far away from the door, and the tooling structure is complex, the assembly workload is large, the tooling fixation and the position of the vehicle body painting are highly demanding and difficult to adapt, which increases the difficulty of process development.

[0003] A search revealed that Chinese patent CN223083013U, published on July 11, 2025, discloses a screw cover spraying device, including a spraying device housing, a constraint component, a fixing component, and a connecting component. A fixed constraint cover is provided on one side of the spraying device housing, and a liquid container is provided on the other side of the fixed constraint cover. A movable abutment groove and multiple ball constraint grooves are provided inside the liquid container. The constraint component is located inside the movable abutment groove and includes a guide connecting plate, a fixing plate, a pressing constraint plate, and a return spring. The fixing component is located inside the ball constraint grooves and includes multiple limiting balls. The connecting component is located on one side of the fixed constraint cover and includes a plug-in seal and a plug pipe. However, this method cannot solve the problem of fixing the device to the vehicle body and ensuring the consistency of the sprayed color difference. Utility Model Content

[0004] The present invention aims to provide a spraying auxiliary device for car charging port covers that is easy to install and produces minimal color difference.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A spraying auxiliary device for fixing a car charging port cover includes a guide ring and a connecting rod. The connecting rod is provided with a first support rod, which is connected to the bottom of the guide ring. One end of the connecting rod is provided with a support seat, which is connected to the charging port cover.

[0007] The connecting rod has a bent rod at one end near the support base, and the bent rod is connected to the support base.

[0008] The connecting rod is provided with a second support rod, and the second support rod is provided with a fixing rod. The fixing rod has buckles at both ends, and the buckles are fastened to the body sheet metal.

[0009] The bottom of the connecting rod is provided with a fixing clip, and the bottom of the clamping end of the fixing clip is provided with a threaded post, which is located in the sheet metal hole of the vehicle body.

[0010] The support base has a boss at one end, and the charging port cover has a fixing block with a groove that mates with the boss.

[0011] The buckle is V-shaped.

[0012] The flow guide ring is square.

[0013] The end of the flow guide ring is chamfered.

[0014] The connecting rod and the bending rod are welded together; the connecting rod and the first support rod are welded together; the connecting rod and the second support rod are welded together; and the top of the connecting rod and the clamping end of the fixing clamp are welded together.

[0015] The technical advantages of this utility model are as follows: the threaded post is inserted into the car sheet metal hole for fixation, and the spraying auxiliary device is fixed to the car by the clip using a fixing clamp, making installation convenient; by setting a support seat on the connecting rod, and connecting the support seat to the car charging port cover, the car charging port cover is closer to the car door during spraying, reducing the risk of color and appearance differences and improving the spraying effect; the threaded post is fixed to the car body, preventing shaking under force and fixation failure. Attached Figure Description

[0016] This manual includes the following figures, which illustrate the following:

[0017] Figure 1 This is a schematic diagram of a spraying auxiliary device for fixing a car charging port cover.

[0018] Figure 2 for Figure 1 The front view.

[0019] Figure 3 for Figure 1 Side view.

[0020] Figure 4 for Figure 1 A bottom view.

[0021] Figure 5 for Figure 1 Assembly diagram of the car charging port cover.

[0022] The following are marked in the diagram: 1. Guide ring; 2. Connecting rod; 3. Support base; 4. First support rod; 5. Bending rod; 6. Second support rod; 7. Fixing rod; 8. Buckle; 9. Fixing clamp; 10. Threaded post; 11. Boss; 12. Fixing block; 13. Car charging port cover. Detailed Implementation

[0023] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, in order to help those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of this utility model, and to facilitate its implementation.

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the device includes a guide ring 1 and a connecting rod 2. A first support rod 4 is mounted on the connecting rod 2, and the first support rod 4 is connected to the bottom of the guide ring 1. A support seat 3 is located at one end of the connecting rod 2, and the support seat 3 is connected to the charging port cover. The guide ring 1 guides the sprayed paint, changes the direction of the spray airflow, forces the airflow towards the center, reduces paint mist dispersion, suppresses rebound pollution, and prevents paint accumulation at the edges that could cause dripping. The first support rod 4 supports the guide ring 1, allowing it to be positioned on the outside of the car charging port cover 13. By providing the support seat 3 on the connecting rod 2, and connecting the support seat 3 to the car charging port cover 13, the car charging port cover 13 is closer to the car door during spraying, reducing the risk of color differences and resulting in better spraying performance. In this embodiment, the guide ring 1 is made of 314L stainless steel with a diameter of 4mm, and its machining dimensions are 290mm*214mm profile frame with a tolerance of ±1mm. The support base 3 is a stainless steel sheet with a diameter of 78.5mm*53mm*3mm and chamfers of 4mm on all four sides. The upper and lower sides of the support base 3 are also cut to reduce weight, with a cut size of 10mm*58mm.

[0025] A curved rod 5 is provided at one end of the connecting rod 2 near the support base 3, and the curved rod 5 is connected to the support base 3. Both the connecting rod 2 and the curved rod 6 have circular cross-sections. The curved rod 5 is used to support the connecting rod 2. The support base 3 is a flat plate structure with protrusions 11 around its perimeter. The support base 3 is used to fit the car charging port cover 13 and provide support. The outer walls of the support base 3 and the curved rod 5 are welded together.

[0026] The connecting rod 2 is equipped with a second support rod 6, and the second support rod 6 is equipped with a fixing rod 7. Each end of the fixing rod 7 has a buckle 8, which is used to engage with the sheet metal of the car body. The second support rod 4, the second support rod 6, and the fixing rod 7 are all circular rods. The second support rod 6 supports the fixing rod 7, and each end of the fixing rod 7 has a buckle 8, which is used to engage with the sheet metal of the car body to secure the entire painting auxiliary device.

[0027] The bottom of the connecting rod 2 is equipped with a fixing clip 9, and the bottom of the clamping end of the fixing clip 9 is equipped with a threaded post 10, which is located inside the sheet metal hole of the vehicle body. The threaded post 10 is used to connect with the sheet metal hole of the vehicle body. The threaded post 10 is equipped with a 6mm diameter nut, and the nut and the threaded post 10 are fixed by welding. Then the threaded post 10 is placed into the sheet metal hole. The bottom of the connecting rod 2 is equipped with a fixing clip 9. The fixing clip 9 is a clip with an internal spring. The fixing clip 9 includes two jaws, which are connected by a pin in the middle. A spring is fitted on the pin, and the two ends of the spring abut against one of the jaws respectively. The overall cross-section is V-shaped. The top of the clamping end of the fixing clip 9 is welded to the outer wall of the connecting rod 2. When the fixing clip 9 is held, the spring is compressed, the clamping end of the fixing clip 9 opens, and the buckle 8 is rotated to lock the buckle 8 onto the sheet metal. The fixing clip 9 is used to provide locking force to fix the buckle 8 onto the sheet metal without shaking, making installation convenient.

[0028] The support base 3 has a boss 11 at one end, and the charging port cover 13 has a fixing block 12 with a groove that mates with the boss 11. The support base 3 has bosses 11 on all four sides, and the charging port cover 13 has fixing blocks 12 with grooves that mate with the bosses 11. A 9mm*9mm*2.5mm stainless steel block is arc-welded and ground, and the bosses 11 are formed at an 8-degree angle using a grinding machine. The bosses 11 and the charging port cover 13 are interference-fitted for fixation.

[0029] The buckle 8 is V-shaped. In this embodiment, the buckle 8 is a 40mm*20mm*2mm iron sheet, which is bent at 30° to form a V-shaped structure. The buckle 8 and the fixing rod 7 are welded together.

[0030] The guide ring 1 is square. The square shape of the guide ring 1 can better reduce the dripping along the edge of the square car charging port cover 13.

[0031] The end of the guide ring 1 is chamfered. This helps to remove sharp burrs after processing, prevents scratches to operators, and improves the paint spraying effect.

[0032] The connecting rod 1 and the bending rod 5 of the spraying auxiliary device are welded together; the connecting rod 1 and the first support rod 4 are welded together; the connecting rod 1 and the second support rod 4 are welded together; and the top of the clamping end of the fixing clamp 9 is welded together. Welding fixation reduces costs and is more convenient.

[0033] The working principle of this utility model is as follows: Weld the buckle 8 and the fixing rod 7 at both ends, weld the top of the clamping end of the fixing clamp 9 and the connecting rod 2 to fix them, weld the threaded post 10 to the bottom of the clamping end of the fixing clamp 9, and set the fixing block 12 on the car charging port cover 13. Through the cooperation of the protrusions 11 around the support base 3 and the grooves of the fixing block 12, the car charging port cover 13 and the support base 3 are interference fit. Insert the threaded post 10 into the sheet metal hole of the car door and keep the threaded post 10 fixed. Press the grip of the fixing clamp 9, and the clamping end of the fixing clamp 9 will rotate, causing the buckle 8 to be clamped onto the sheet metal. At this time, under the action of the guide ring 1, the spraying begins. When spraying, the car charging port cover 13 is closer to the car door, the risk of color and appearance difference is smaller, the spraying effect is better, and the installation is convenient.

[0034] The present invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvements made using the inventive concept and technical solution of the present invention; or the direct application of the inventive concept and technical solution to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A spraying auxiliary device for fixing a car charging port cover, characterized in that: It includes a flow guide ring (1) and a connecting rod (2). The connecting rod (2) is provided with a first support rod (4). The first support rod (4) is connected to the bottom of the flow guide ring (1). One end of the connecting rod (2) is provided with a support seat (3). The support seat (3) is connected to the charging port cover plate (13).

2. The spraying auxiliary device for fixing a car charging port cover according to claim 1, characterized in that: The connecting rod (2) has a bent rod (5) at one end near the support base (3), and the bent rod (5) is connected to the support base (3).

3. The spraying auxiliary device for fixing a car charging port cover according to claim 2, characterized in that: The connecting rod (2) is provided with a second support rod (6), and the second support rod (6) is provided with a fixing rod (7). The fixing rod (7) has buckles (8) at both ends, and the buckles (8) are fastened to the body sheet metal.

4. The spraying auxiliary device for fixing a car charging port cover according to claim 3, characterized in that: The bottom of the connecting rod (2) is provided with a fixing clip (9), and the bottom of the clamping end of the fixing clip (9) is provided with a threaded post (10), which is located in the body sheet metal hole.

5. A spraying auxiliary device for fixing an automotive charging port cover according to any one of claims 1-4, characterized in that: The support base (3) has a boss (11) at one end, and the charging port cover (13) has a fixing block (12) with a groove that cooperates with the boss (11).

6. A spraying auxiliary device for fixing an automotive charging port cover according to any one of claims 3-4, characterized in that: The buckle (8) is V-shaped.

7. A spraying auxiliary device for fixing an automotive charging port cover according to any one of claims 1-4, characterized in that: The flow guide ring (1) is square.

8. A spraying auxiliary device for fixing an automotive charging port cover according to claim 7, characterized in that: The end of the flow guide ring (1) is chamfered.

9. A spraying auxiliary device for fixing an automotive charging port cover according to claim 8, characterized in that: The connecting rod (1) and the bending rod (5) are welded together; the connecting rod (1) and the first support rod (4) are welded together; the connecting rod (1) and the second support rod (4) are welded together; and the top of the clamping end of the connecting rod (1) and the fixing clamp (9) are welded together.

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