Charging gun screw waterproof device and charging gun
By installing a sealing ring on the charging gun screw head and performing a bevel treatment at the connection, the existing charging gun's sealing performance is solved, and the waterproof effect is achieved to meet the IP67 standard, ensuring the safety and reliability of the charging gun.
Patent Information
- Application Number
- CN202411485657.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-01-14
AI Technical Summary
The sealing performance of the existing DC liquid-cooled charging gun head and gun body is insufficient, resulting in easy water intake during outdoor use, posing serious safety hazards, and cannot reach a protection level higher than IP67.
A charging gun screw waterproof device is designed. By processing the installation groove at the base of the screw head to install the sealing ring, and the inclined surface is performed at the connection between the charging gun head and the gun body, the inclined surface of the waterproof screw is used to cooperate with the inclined surface of the charging gun head. Form a connection method with locking fixing and waterproofing functions.
It effectively prevents water from entering the charging gun from water or soaking in a depth of 1 meter for 30 minutes, and reaches the protection level of IP67 standard, ensuring the safety and reliability of the charging gun.
Smart Images

Figure CN119315309A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of a DC liquid-cooled charging gun head and a gun body fixed structure connection, and specifically to a charging gun screw waterproof device and a charging gun. Background Art
[0002] The existing DC liquid-cooled charging gun head and the gun body are fixed and connected by ordinary screws. In this way, the charging gun head and the gun body cannot reach a protection level higher than (exceeding) the standard requirements due to external factors such as sealing performance. When the charging gun is used outdoors, the poor sealing performance may cause water to enter the charging gun, posing serious safety hazards such as electric shock, leakage of electricity to injure people, and damage to the vehicle. The present invention is to provide a better and safer connection method, so as to achieve the purpose of connection, fixation and waterproofing. The effect can enable the charging gun to meet the relevant standard requirements and exceed the standard to reach the IP67 protection level. Summary of the invention
[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a charging gun screw waterproof device and a charging gun. The charging gun designed and produced according to the present invention has been able to meet the relevant pull-off force level standards after actual testing.
[0004] To achieve the above object, the present invention provides the following technical solutions:
[0005] Embodiment 1:
[0006] A charging gun screw waterproof device comprises a charging gun, wherein the charging gun comprises a charging gun head, a charging gun body is arranged on the right side of the charging gun head, and a waterproof screw is arranged in the inner cavity of the charging gun head.
[0007] Preferably, an installation groove is provided on the outer edge of the waterproof screw, and a sealing ring is installed in the inner cavity of the installation groove.
[0008] Preferably, the connection between the charging gun head and the charging gun is beveled.
[0009] Preferably, when the waterproof screw is connected, the inclined surface of the waterproof screw and the inclined surface of the charging gun head cooperate with each other.
[0010] Embodiment 2:
[0011] The charging gun comprises a column and the above-mentioned charging gun screw waterproof device, and the charging gun body is hung on the column.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] The present invention makes a waterproof screw by specially designed screws and mechanical processing, and processes an installation groove for installing a sealing ring at the root of the screw head, so that the waterproof screw is formed by the screw itself structure plus the sealing ring to form a waterproof screw with locking and waterproof function; when designing, the connection between the charging gun head and the charging gun body is processed with an inclined surface, and the designed inclined surface is used for connection. When the screws are connected, the inclined surface of the waterproof screw and the inclined surface of the charging gun head cooperate with each other, so that the charging gun body can effectively block water outside the charging gun head when it is sprinkled with water or immersed in 1 meter deep water for 30 minutes, and prevent water from entering the charging gun body, thereby realizing the waterproof function of the charging gun. The overall charging gun will make the charging gun meet the IP67 standard. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a front cross-sectional view of the present invention;
[0015] Figure 2 This is a front view of the waterproof screw component of the present invention;
[0016] Figure 3 for Figure 1 Enlarged view of point A in the middle.
[0017] Numbers in the figure: 1. Charging gun head; 2. Charging gun body; 3. Waterproof screw; 4. Sealing ring. DETAILED DESCRIPTION
[0018] See also Figure 1-3 , the present invention provides a technical solution:
[0019] Embodiment 1:
[0020] A charging gun screw waterproof device, a charging gun screw waterproof device, comprises a charging gun, the charging gun comprises a charging gun head 1, a charging gun body 2 is arranged on the right side of the charging gun head 1, a waterproof screw 3 is arranged in the inner cavity of the charging gun head 1, an installation groove is arranged on the outer edge of the waterproof screw 3, a sealing ring 4 is installed in the inner cavity of the installation groove, the connection between the charging gun head 1 and the charging gun is beveled, and when the waterproof screw 3 is connected, the bevel of the waterproof screw 3 and the bevel of the charging gun head 1 cooperate with each other.
[0021] Embodiment 2:
[0022] The charging gun comprises a column and the above-mentioned charging gun screw waterproof device, and the charging gun body 2 is hung on the column.
[0023] Working principle: A waterproof screw 3 is made by specially designed screws and mechanical processing, and a mounting groove for installing a sealing ring 4 is processed at the root of the screw head, so that the waterproof screw 3 is composed of the screw itself and the sealing ring 4, forming a waterproof screw 3 with locking and waterproof function; when designing, the connection between the charging gun head 1 and the charging gun body 2 is beveled, and the designed bevel is used for connection. When the screws are connected, the bevel of the waterproof screw 3 cooperates with the bevel of the charging gun head 1, so that the charging gun body 2 can effectively block water outside the charging gun head 1 when it is sprinkled with water or immersed in 1 meter deep water for 30 minutes, and prevent water from entering the charging gun body 2, thereby realizing the waterproof function of the charging gun. The overall charging gun will make the charging gun meet the IP67 standard.
Claims
1. A charging gun screw waterproof device, comprising a charging gun, wherein the charging gun comprises a charging gun head (1), characterized in that: A charging gun body (2) is provided on the right side of the charging gun head (1), and a waterproof screw (3) is provided in the inner cavity of the charging gun head (1).
2. The charging gun screw waterproof device according to claim 1, characterized in that: The outer edge of the waterproof screw (3) is provided with a mounting groove, and the inner cavity of the mounting groove is provided with a sealing ring (4).
3. The charging gun screw waterproof device according to claim 1, characterized in that: The connection between the charging gun head (1) and the charging gun is processed with an inclined surface.
4. The charging gun screw waterproof device according to claim 1, characterized in that: When the waterproof screw (3) is connected, the inclined surface of the waterproof screw (3) and the inclined surface of the charging gun head (1) cooperate with each other.
5. Charging gun, characterized by: It comprises a column and the charging gun screw waterproof device according to any one of claims 1 to 4, wherein the charging gun body (2) is hung on the column.