European standard discharge gun terminal protection mechanism for electric vehicle

By designing anti-accidental contact telescopic terminals and a multi-layer sealing structure in the European standard discharge gun for electric vehicles, the safety hazards caused by exposed terminals are solved, and the safety and sealing are improved, making it suitable for automated production.

CN224097037UActive Publication Date: 2026-04-07AMPHENOL AUTOMOTIVE CONNECTION SYST CHANGZHOU CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

The existing European standard discharge gun structure for electric vehicles lacks protection, and the exposed terminals are prone to accidental contact, affecting safety during use.

Method used

A terminal protection mechanism comprising a core conductive component, a housing component, and a rear cover assembly was designed. It employs a 6mm anti-accidental contact telescopic terminal, a 3mm terminal, and wires, combined with components such as torsion springs, anti-touch caps, and springs to form a telescopic anti-accidental contact structure. Through multi-layer sealing and modular assembly, safety and sealing are ensured.

Benefits of technology

It effectively prevents accidental touches, improves safety, and maintains normal operation during charging. It has high consistency and low failure probability, making it suitable for automated production.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224097037U_ABST
    Figure CN224097037U_ABST
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Abstract

The utility model relates to the technical field of discharge gun terminal protection mechanisms, in particular to a European standard discharge gun terminal protection mechanism for an electric automobile, which comprises a core conductive component, a shell component and a rear cover assembly, the shell assembly comprises a left shell, a right shell, a plug and an anti-skid pad. A core conductive assembly is mounted in the plug and is fixed at the front ends of the left shell and the right shell through clamping grooves; non-slip mats are adhered in the left shell and the right shell, a rear cover assembly is mounted in the left shell and the right shell, and a tail sealing plug is arranged at the tail; the core conductive assembly comprises a 6mm mistaken touch prevention type telescopic terminal, a 3mm terminal and a wire, and the 6mm mistaken touch prevention type telescopic terminal and the 3mm terminal are connected with the corresponding wire, are installed in the shell assembly and penetrate through the rear cover assembly through the wire. The terminal is additionally provided with a mistaken touch prevention structure, adverse effects are reduced, the terminal is simple in mechanism, low in mechanism failure probability, simple in part and assembly process, convenient to automatically produce and manufacture, and high in product consistency.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the terminal protection mechanism of the European standard discharge gun, especially a terminal protection mechanism of the European standard discharge gun for electric vehicles. BACKGROUND

[0002] The existing European standard discharge gun structure of the electric vehicle is too simple, lacks necessary protection structure, and easily causes unnecessary influence on the user. The plug terminal of the European standard discharge gun is directly exposed outside for convenient plugging, which also makes it difficult to avoid contacting the exposed terminal structure when using the European standard discharge gun, and misoperation is caused, which has certain influence on product use safety. SUMMARY

[0003] In order to overcome the existing deficiencies, the utility model provides a terminal protection mechanism of the European standard discharge gun for electric vehicles.

[0004] The utility model discloses a terminal protection mechanism of the European standard discharge gun for electric vehicles, which solves the technical problems and adopts the technical scheme that the terminal protection mechanism of the European standard discharge gun for electric vehicles includes core conductive assembly, shell assembly and rear cover assembly, the shell assembly includes left shell, right shell, plug and non-slip pad, the plug is internally provided with the core conductive assembly and is fixed at the front end of the left shell and the right shell through the clamping groove, the left shell and the right shell are internally pasted with the non-slip pad and internally provided with the rear cover assembly and are provided with the tail sealing plug at the tail part, the core conductive assembly includes 6mm anti-misoperation telescopic terminal, 3mm terminal and wire, the 6mm anti-misoperation telescopic terminal and the 3mm terminal are connected with the corresponding wire, are installed in the shell assembly and pass through the rear cover assembly through the wire, the 6mm anti-misoperation telescopic terminal includes gland, torsional spring, hole sleeve, anti-touch cap, spring and terminal rear cover, the torsional spring, the anti-touch cap and the spring are assembled in the hole sleeve, one end of the hole sleeve is provided with the gland for placing the torsional spring, and the other end is welded with the terminal rear cover.

[0005] According to another embodiment of the utility model, further including, the anti-touch cap and the spring are pre-fixed through the clamping groove in the hole sleeve.

[0006] According to another embodiment of the utility model, further including, the rear cover assembly includes terminal support, rear cover sealing pad and rear cover, and the terminal support, the rear cover sealing pad and the rear cover are sequentially placed in the shell assembly and are fixed through the screw.

[0007] According to another embodiment of the utility model, further including, the left shell and the right shell are matched through the rivet interference.

[0008] According to another embodiment of the utility model, further including, the 3mm O-shaped ring and the 6mm O-shaped ring are installed in the corresponding sealing groove of the 3mm terminal and the 6mm anti-misoperation telescopic terminal.

[0009] According to another embodiment of the utility model, further include, the anti -skid pad is equipped with two groups in all, each group is equipped with two pieces, respectively paste in left shell, right shell two sides shell in.

[0010] According to another embodiment of the utility model, further include, the wire passes through terminal support, along the muscle position arrangement of left shell, right shell, finally passes through tail sealing plug and leads out.

[0011] The utility model has the advantages that the terminal increases the mistaken touch prevention structure, can better avoid the adverse effect caused by exposed terminal to personnel in the later application. The mistaken touch prevention structure is telescopic, can prevent personnel from mistaken touch, and will not affect normal use when the European standard discharge gun charges the vehicle charging seat. The terminal mechanism is simple, the mechanism failure probability is low, the parts and assembly process are simple, and the product consistency is high. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model will be further described below in combination with the drawings and examples.

[0013] Figure 1 It is the explosion map of the utility model;

[0014] Figure 2 It is the assembly drawing of the utility model;

[0015] Figure 3 It is the explosion map of 6mm mistaken touch type telescopic terminal;

[0016] Figure 4 It is the sectional view of the utility model;

[0017] Figure 5 It is the operation state diagram of the utility model.

[0018] In the drawing, 1, core conductive assembly, 2, shell assembly, 3, rear cover assembly, 4, left shell, 5, right shell, 6, plug, 7, anti -skid pad, 8, 6mm mistaken touch type telescopic terminal, 9, 3mm terminal, 10, wire, 11, gland, 12, torsional spring, 13, hole sleeve, 14, touchproof cap, 15, spring, 16, terminal rear cover, 17, terminal support, 18, rear cover sealing pad, 19, rear cover, 20, screw, 21, rivet, 22, 3mm O ring, 23, 6mm O ring, 24, tail sealing plug. DETAILED DESCRIPTION

[0019] As Figure 1The utility model discloses a kind of terminal protection mechanism of European standard discharge gun for electric vehicle, it is characterized by, including core conductive component 1, shell component 2 and rear cover assembly 3;The shell component 2 includes left shell 4, right shell 5, plug 6 and non-slip pad 7;Core conductive component 1 is installed in plug 6, and fixed in left shell 4, right shell 5 front end by clamping groove;Left shell 4, right shell 5 are pasted with non-slip pad 7, and rear cover assembly 3 is installed inside, and tail portion is equipped with tail sealing plug 24;Core conductive component 1 includes 6mm anti-misoperation telescopic terminal 8, 3mm terminal 9 and wire 10, 6mm anti-misoperation telescopic terminal 8, 3mm terminal 9 connect corresponding wire 10, and are installed in shell component 2 and pass through rear cover assembly 3 by wire 10;6mm anti-misoperation telescopic terminal 8 includes gland 11, torsion spring 12, hole sleeve 13, anti-touch cap 14, spring 15 and terminal rear cover 16;Torsion spring 12, anti-touch cap 14, spring 15 are assembled in hole sleeve 13, and one end of hole sleeve 13 is equipped with gland 11 for placing torsion spring 12 to be released, and the other end is welded with terminal rear cover 16.

[0020] Specifically, plug 6 is connected with external charging socket, and realizes power taking function;6mm anti-misoperation telescopic terminal 8 prevents user from misoperation of live terminal, wherein, gland 11 fixes torsion spring 12, to prevent it from being released, torsion spring 12 provides terminal telescopic reset force, anti-touch cap 14 and spring 15 shield terminal, and only retract when inserted into socket, hole sleeve 13 contains internal components, terminal rear cover 16 seals hole sleeve tail portion, and is welded and fixed;3mm terminal 9 is conductively connected, and crimping wire transmits current;Non-slip pad 7 is used for enhancing holding friction force;Tail sealing plug 24 seals wire outlet, prevents liquid / dust from entering, and is fixed on shell by clamping groove;Wire 10 is used for transmitting current, and connects terminal with external socket.

[0021] According to another embodiment of the utility model, further include, anti-touch cap 14, spring 15 are pre-fixed through the clamping groove in hole sleeve 13.

[0022] According to another embodiment of the utility model, further include, rear cover assembly 3 includes terminal support 17, rear cover sealing pad 18 and rear cover 19;Terminal support 17, rear cover sealing pad 18 and rear cover 19 are placed in shell component 2 inside in turn, and are fixed by screw 20.

[0023] Specifically, terminal support 17 supports and fixes terminal, to ensure that terminal is stably connected with wire;Rear cover sealing pad 18 is installed between rear cover 10 and shell, to enhance sealing property.

[0024] According to another embodiment of the utility model, further include, left shell 4 and right shell 5 are interference fit through rivet 21.

[0025] According to another embodiment of the utility model, further include, 3mm terminal 9, 6mm anti -touch type telescopic terminal 8 corresponding sealing groove install 3mm O type ring 22 and 6mm O type ring 23, 3mm O type ring 22 and 6mm O type ring 23 provide waterproof dustproof seal.

[0026] According to another embodiment of the utility model, further include, the anti -skid pad 7 is provided with two groups in total, and each group is provided with two pieces, and is pasted in the shell inside on the left shell 4, right shell 5 both sides.

[0027] According to another embodiment of the utility model, further include, after the wire 10 passes through the terminal support 17, along the muscle position arrangement of left shell 4, right shell 5, finally passes through tail sealing plug 24 and leads out.

[0028] Specifically, the characteristics of the device are:

[0029] 1, anti -touch mechanism, through torsional spring 12 and anti -touch cap 14 realize terminal only when inserting into the socket strip, improve security;

[0030] 2, multi -layer sealing, 3mm O type ring 22, 6mm O type ring 23, tail sealing plug 24, back cover sealing pad 18 form triple protection, ensure waterproof dustproof;

[0031] 3, modular assembly, clamping groove fixed plug and sealing plug, simplify assembly process;

[0032] 4, wire management, shell muscle position fixed wire, tail sealing plug 24 reserved hole position avoids wire abrasion.

[0033] Specific operation process, ensure that each component is not missing or damaged, torsional spring 12 is loaded into the hole sleeve 13 inside, installs gland 11 to the mouth of hole sleeve 12, fixes torsional spring 12 and prevents the out, in order anti -touch cap 14 and spring 15 are loaded into hole sleeve 12, utilize internal clamping groove pre -fixing, welding terminal back cover 16 to the tail of hole sleeve 13, 6mm anti -touch type telescopic terminal 8 is assembled in closed assembly;6mm anti -touch type telescopic terminal 8 and 3mm terminal 9 are pressure -welded with wire 10, the 6mm anti -touch type telescopic terminal 8 and 3mm terminal 9 preloaded into plug 6 are pressure -welded, and a conductive path is formed;Back cover sealing pad 24 is placed in the recess on the inner side of back cover 19, wire 10 passes through terminal support 17, back cover sealing pad 18 and back cover 19 in turn, adjusts position to ensure that the sealing pad is not deviated, uses screw 20 to fasten back cover to the tail of shell, ensures that the back cover sealing pad is uniformly pressed, tail sealing plug 24 is pressed to the clamping groove of shell tail, ensures that wire 10 outlet is sealed tightly;The back adhesive surface of anti -skid pad 7 is pasted to the specified position of shell, and rivet 21 is assembled to the corresponding hole position of shell to fix left and right shell bodies through interference fit.

[0034] The above description is only illustrative and is not restrictive, and those skilled in the art will understand that many modifications, variations or equivalents can be made without departing from the spirit and scope defined by the appended claims.

Claims

1. A European standard discharge gun terminal protection mechanism for electric vehicles, characterized in that, It includes a core conductive component (1), a housing assembly (2), and a rear cover assembly (3); the housing assembly (2) includes a left housing (4), a right housing (5), a plug (6), and an anti-slip pad (7); the core conductive component (1) is installed inside the plug (6) and fixed to the front end of the left housing (4) and right housing (5) by a slot; the anti-slip pad (7) is pasted inside the left housing (4) and right housing (5), and the rear cover assembly (3) is installed inside, with a tail sealing plug (24) at the tail; the core conductive component (1) includes a 6mm anti-accidental contact telescopic terminal (8), a 3mm terminal (9), and a wire (10), which... The 6mm anti-accidental contact telescopic terminal (8) and 3mm terminal (9) are connected to the corresponding wires (10), installed in the housing assembly (2) and passed through the rear cover assembly (3) through the wires (10); the 6mm anti-accidental contact telescopic terminal (8) includes a pressure cap (11), a torsion spring (12), a hole sleeve (13), an anti-touch cap (14), a spring (15) and a terminal rear cover (16); the torsion spring (12), the anti-touch cap (14) and the spring (15) are assembled in the hole sleeve (13), one end of the hole sleeve (13) is provided with a pressure cap (11) to place the torsion spring (12) out, and the other end is welded with the terminal rear cover (16).

2. The European standard discharge gun terminal protection mechanism for electric vehicles according to claim 1, characterized in that, The anti-touch cap (14) and spring (15) are pre-fixed by the slot in the sleeve (13).

3. The European standard discharge gun terminal protection mechanism for electric vehicles according to claim 1, characterized in that, The rear cover assembly (3) includes a terminal bracket (17), a rear cover gasket (18), and a rear cover (19); the terminal bracket (17), the rear cover gasket (18), and the rear cover (19) are placed inside the housing assembly (2) in sequence and fixed by screws (20).

4. The European standard discharge gun terminal protection mechanism for electric vehicles according to claim 1, characterized in that, The left outer shell (4) and the right outer shell (5) are interference-fitted by rivets (21).

5. The European standard discharge gun terminal protection mechanism for electric vehicles according to claim 1, characterized in that, The 3mm terminal (9) and the 6mm anti-accidental contact telescopic terminal (8) are fitted with 3mm O-rings (22) and 6mm O-rings (23) in their corresponding sealing grooves.

6. The European standard discharge gun terminal protection mechanism for electric vehicles according to claim 1, characterized in that, The anti-slip mat (7) is provided in two sets, each set having two pieces, which are respectively pasted inside the left outer shell (4) and the right outer shell (5).

7. The European standard discharge gun terminal protection mechanism for electric vehicles according to claim 1, characterized in that, After the wire (10) passes through the terminal bracket (17), it is arranged along the ribs of the left outer shell (4) and the right outer shell (5), and finally leads out through the tail sealing plug (24).