Electronic lock for charging gun and charging gun
Through the design of the electronic lock structure, the motor is used to drive the rotating block to achieve automatic locking and unlocking, combined with the protection of the silicone sheet, which solves the problem of easy wear of the mechanical locking structure of the charging gun and the inability to unlock in an emergency, thereby improving the safety and ease of operation of the charging gun.
Patent Information
- Application Number
- CN202422701203.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-11-06
AI Technical Summary
The existing mechanical locking structure of the charging gun is prone to wear and tear, has insufficient waterproof and dustproof capabilities, and cannot be unlocked in time in an emergency, posing a safety hazard.
It adopts an electronic lock structure, including an electronic lock face cover, a bottom cover, a protective silicone sheet, a rotating block, a motor, a switch assembly, an unlock button and an emergency unlock button. The motor drives the rotating block to achieve automatic locking and unlocking, and the silicone sheet provides protection. The emergency unlock button is used for manual unlocking.
The safety and reliability of the charging gun are improved, ensuring normal unlocking even in emergency situations. It has strong protection performance, convenient operation, adaptability to various environments, and reduces the risk of misoperation.
Smart Images

Figure CN223401990U_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of practical charging guns, and more specifically to an electronic lock for a charging gun and a charging gun. Background Art
[0002] With the popularity of electric vehicles, the safety and reliability of charging guns, as the core components of electric vehicle charging equipment, have received increasing attention. Existing charging guns generally rely on a mechanical locking structure to lock and unlock the gun body and the charging device. However, traditional mechanical locking structures have many problems. For example, they are prone to mechanical wear after long-term use, causing the locking mechanism to fail, which in turn affects the normal use of the charging device. In addition, the waterproof and dustproof capabilities of traditional mechanical locking structures are limited. When used outdoors, they are easily affected by the external environment (such as rain, dust, etc.), which in turn affects the reliability of the lock body and even causes safety hazards during the charging process.
[0003] Existing charging gun unlocking mechanisms typically rely on manual operation. This method may not unlock the gun in an emergency, such as a power outage or lock failure, causing inconvenience and even safety risks to users. Therefore, the market urgently needs a charging gun electronic lock with high protection performance and the ability to unlock the gun in an emergency, thereby improving the safety, durability, and ease of use of the charging gun. Utility Model Content
[0004] The purpose of the utility model is to provide an electronic lock for a charging gun and a charging gun, so as to solve the problem that the mechanical structure of the electronic lock in the prior art is relatively complex and the charging gun cannot be safely pulled out in an emergency.
[0005] In order to solve the above problems, the electronic lock for the charging gun and the charging gun involved in this utility model adopt the following technical solutions:
[0006] An electronic lock for a charging gun, comprising an electronic lock face cover, an electronic lock bottom cover, a protective silicone sheet, a rotating block, a motor, a switch assembly, an unlock button, and an emergency unlock button, wherein:
[0007] The electronic lock face cover and the electronic lock bottom cover match each other and are fixed by fasteners to form an electronic lock housing;
[0008] The electronic lock housing is equipped with a motor, a switch assembly, and a rotating block. The switch assembly is installed above the motor, and the motor drives the rotating block to rotate. The rotating block is used to press or release the switch assembly by rotating. The lower end of the unlock button abuts against the rotating block, and the emergency unlock button is used to push the rotating block to rotate by moving laterally.
[0009] The protective silicone sheet includes a silicone substrate, a silicone bump, and a silicone mounting seat. The protective silicone sheet is an integrally formed design. The silicone bump is fixed to the upper surface of the silicone substrate, and the silicone mounting seat is fixed to one side of the silicone substrate. A mounting cavity is formed in the silicone mounting seat. A mounting position matching the shape of the lower end of the protective silicone sheet is formed on the electronic lock cover.
[0010] The silicone mounting base is formed with a silicone ring for the emergency unlock button to pass through; the unlock button is mounted on the upper side of the protective silicone sheet and passes through the electronic lock cover, and the silicone protrusion is provided with a through hole for the unlock button to pass through;
[0011] The protective silicone sheet is covered with a silicone pressing sheet, which is provided with a through groove corresponding to the silicone protrusion, and a mounting block installed in the mounting cavity of the silicone mounting seat, and the mounting block is provided with a mounting groove for installing the silicone ring.
[0012] Preferably, a first push block is formed at one end of the rotating block close to the switch assembly, and a second push block is formed on the side. The first push block is used to press or release the button on the switch assembly, the lower end of the unlock button is against the upper part of the second push block, and the front end of the emergency unlock button is against the side of the second push block.
[0013] Preferably, according to the above-mentioned electronic lock for the charging gun, an emergency unlocking button is also included, and the switch assembly is provided with a button and a spring, one end of the spring is fixed to the switch assembly, and the other end is against the button, and the first push block slides on the spring.
[0014] The present utility model also provides a charging gun, based on the aforementioned electronic lock for the charging gun, comprising a charging gun body and a charging gun lock hook, wherein a cavity for accommodating the electronic lock for the charging gun is formed in the charging gun body, the middle part of the charging gun lock hook is connected to the charging gun body for limited rotation, the unlocking button is abutted against the lower end of the rear side of the charging gun lock hook, and the charging gun lock hook is also used to close the cavity of the charging gun body.
[0015] Preferably, an unlocking lever that can replace the unlocking button is formed on the charging gun lock hook.
[0016] The beneficial effects of this utility model are as follows: The electronic lock cover and the electronic lock bottom cover cooperate to form a compact electronic lock housing, which integrates the motor, rotating block, and switch assembly. This achieves a highly integrated design within a limited space, meeting the locking requirements of the charging gun without increasing the device's size, ensuring the portability and aesthetics of the charging gun. When the charging gun is inserted into the charging port, the motor drives the locking mechanism via the rotating block, and the first push block presses the button on the switch assembly, locking the charging gun. At this time, the second push block prevents the unlock button from being pressed, ensuring the safety of the charging process and facilitating maintenance. After charging is completed, the motor reverses, the rotating block returns to its original position, and the unlock button is no longer restricted by the second push block. The user can then press the unlock button normally to unlock and remove the charging gun. The automatic locking and unlocking mechanism of the electronic lock in this utility model prevents accidental operation or unauthorized unlocking of the charging gun during use, making it particularly suitable for high-power charging scenarios. In the event of an electronic system failure, the user can manually unlock the charging gun using the emergency unlock button. The emergency unlock button releases the lock by rotating the rotating block via a second push block. Even in the event of a power failure or control system anomaly, the user can safely unlock the charging cable. The dual feedback design of the mechanical switch and signal switch ensures real-time monitoring and feedback of the electronic lock's lock and unlock status, increasing device reliability. The motor-driven automatic locking and unlocking operation allows users to simply insert or remove the charging cable, eliminating the need for manual locking or unlocking, improving user convenience. Even in the event of an electronic system failure, the user can still unlock the device using the emergency unlock button, enhancing the device's emergency reliability.
[0017] A protective silicone sheet covers the electronic lock surface, and the silicone bumps can effectively prevent water, dust and other external impurities from entering the interior of the electronic lock, thereby improving the protective performance of the lock body. The silicone substrate, silicone bumps and silicone mounting base are integrally formed, which not only improves the sealing and protects the internal electronic components from the influence of the external environment, but also improves the durability of the electronic lock and adapts to various usage environments. The unlock button is combined with the electronic lock surface through a silicone protective sheet. The user can feel clear press feedback when using it, making the operation easier and more intuitive. The limiting effect of the second push block avoids accidental unlocking and ensures the safety of operation. The design of the emergency unlock button provides users with additional safety protection in emergency situations and enhances the reliability of the charging gun in complex environments. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments:
[0019] Figure 1 This is an exploded structural diagram of an electronic lock for a charging gun according to a preferred embodiment of the present invention;
[0020] Figure 2 This is an exploded structural diagram of a charging gun according to another preferred embodiment of the present invention. DETAILED DESCRIPTION
[0021] In order to make the technical objectives, technical solutions, and beneficial effects of the present invention more clear, the technical solutions of the present invention are further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. That is, the embodiments described herein are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in a variety of different configurations.
[0022] The electronic lock for the charging gun in the preferred embodiment of the utility model is as follows Figure 1 As shown, an electronic lock for a charging gun includes an electronic lock cover 1 and an electronic lock bottom cover 2, a protective silicone sheet 3, a rotating block 4, a motor 5, a switch assembly 6, an unlock button 7 and an emergency unlock button 8, wherein:
[0023] The electronic lock face cover 1 and the electronic lock bottom cover 2 match each other and are fixed by fasteners to form an electronic lock housing;
[0024] The electronic lock housing is equipped with a motor 5, a switch assembly 6, and a rotating block 4. The switch assembly 6 is installed above the motor. The motor 5 drives the rotating block 4 to rotate. The rotating block 4 is used to press or release the switch assembly 6 by rotating. The lower end of the unlock button 7 is against the rotating block 4. The emergency unlock button 8 is used to push the rotating block 4 to rotate by moving it laterally.
[0025] The protective silicone sheet 3 includes a silicone substrate 31, a silicone protrusion 32, and a silicone mounting seat 33. The protective silicone sheet 3 is an integrally formed design. The silicone protrusion 32 is fixed to the upper surface of the silicone substrate 31, and the silicone mounting seat 33 is fixed to one side of the silicone substrate 31. A mounting cavity is formed in the silicone mounting seat 33. A mounting position 11 that matches the shape of the lower end of the protective silicone sheet 3 is formed on the electronic lock cover 1.
[0026] A silicone ring 34 is formed on the silicone mounting seat 33 to facilitate the emergency unlock button 8 to pass through; the unlock button 7 is installed on the upper side of the protective silicone sheet 3 and passes through the electronic lock cover 1, and a through hole is provided on the silicone protrusion 32 to facilitate the unlock button 7 to pass through;
[0027] The protective silicone sheet 3 is covered with a silicone pressing sheet 9, which is provided with a through groove 91 corresponding to the silicone protrusion 32, and a mounting block 92 installed in the mounting cavity of the silicone mounting seat 33, and the mounting block 92 is provided with a mounting groove 93 for installing the silicone ring 34.
[0028] like Figure 1 As shown, a first push block 41 is formed at one end of the rotating block 4 close to the switch assembly 6, and a second push block 42 is formed on the side. The first push block 41 is used to press or release the button on the switch assembly. The lower end of the unlocking button 7 is against the upper part of the second push block 42, and the front end of the emergency unlocking button 8 is against the side of the second push block 42.
[0029] like Figure 1 As shown, the switch assembly 6 also includes an emergency unlock button 8. A button 61 and a spring clip 62 are provided on the switch assembly 6. One end of the spring clip 62 is fixed to the switch assembly 6, and the other end abuts against the button 61. A first push block 41 slides on the spring clip 62. The restraining effect of the second push block effectively prevents accidental operation of the unlock button in the locked state, ensuring that the charging gun is stably locked to the charging station during charging. In addition, the combination of the spring clip and the first push block further enhances the stability and smoothness of the locking and unlocking processes.
[0030] This utility model utilizes an electronic lock cover and a bottom cover to form a compact electronic lock housing. This housing integrates a motor, a rotating block, and a switch assembly, achieving a highly integrated design within a limited space. This design meets the locking requirements of the charging gun without increasing the device's size, ensuring the gun's portability and aesthetics. When the charging gun is inserted into the charging port, the motor drives the locking mechanism via the rotating block, and the first push block presses the button on the switch assembly to lock the gun. At this point, the second push block prevents the unlock button from being pressed, ensuring the safety of the charging process and facilitating quick and easy maintenance. After charging is complete, the motor reverses, the rotating block returns to its original position, and the unlock button is no longer restricted by the second push block. The user can then press the unlock button normally to unlock and remove the charging gun. The automatic locking and unlocking mechanism of the electronic lock in this utility model prevents accidental operation or unauthorized unlocking of the charging gun during use, making it particularly suitable for high-power charging scenarios. In the event of an electronic system failure, the user can manually unlock the gun using the emergency unlock button. The emergency unlock button releases the lock by rotating the rotating block via a second push block. Even in the event of a power failure or control system anomaly, the user can safely unlock the charging cable. The dual feedback design of the mechanical switch and signal switch ensures real-time monitoring and feedback of the electronic lock's lock and unlock status, increasing device reliability. The motor-driven automatic locking and unlocking operation allows users to simply insert or remove the charging cable, eliminating the need for manual locking or unlocking, improving user convenience. Even in the event of an electronic system failure, the user can still unlock the device using the emergency unlock button, enhancing the device's emergency reliability.
[0031] A protective silicone sheet covers the electronic lock surface, and the silicone bumps can effectively prevent water, dust and other external impurities from entering the interior of the electronic lock, thereby improving the protective performance of the lock body. The silicone substrate, silicone bumps and silicone mounting base are integrally formed, which not only improves the sealing and protects the internal electronic components from the influence of the external environment, but also improves the durability of the electronic lock and adapts to various usage environments. The unlock button is combined with the electronic lock surface through a silicone protective sheet. The user can feel clear press feedback when using it, making the operation easier and more intuitive. The limiting effect of the second push block avoids accidental unlocking and ensures the safety of operation. The design of the emergency unlock button provides users with additional safety protection in emergency situations and enhances the reliability of the charging gun in complex environments.
[0032] Locking and unlocking are achieved through a motor-driven rotating block. The unlock button works in conjunction with the charging gun lock hook to ensure stable locking and smooth unlocking of the charging gun, making it easy for users to operate. Emergency unlocking function: The emergency unlock button allows manual unlocking in the event of a power failure or system malfunction, ensuring that the lock can still be released smoothly in an emergency, improving the safety and reliability of the system. The protective silicone sheet design is combined with silicone bumps. The unlock button passes through the through hole of the silicone sheet for easy operation, and the protective silicone sheet can be easily removed and replaced.
[0033] The protective silicone sheet 3 is designed to be waterproof, dustproof and shock-absorbing. The silicone substrate 31, silicone protrusion 32 and silicone mounting seat 33 are integrally formed, which not only improves the sealing and protects the internal electronic components from the external environment, but also improves the durability of the electronic lock and adapts to various usage environments. The unlock button 7 is combined with the electronic lock cover 1 through the silicone protective sheet 3. The user can feel clear pressing feedback when using it, and the operation is simpler and more intuitive. The limiting effect of the second push block 42 avoids accidental unlocking and ensures the safety of operation. The design of the emergency unlock button provides users with additional safety protection in emergency situations and enhances the reliability of the charging gun in complex environments.
[0034] High reliability and safety: The restrictive action of the second push block 42 effectively prevents accidental operation of the unlock button 7 in the locked state, ensuring that the charging gun is stably locked to the charging station during charging. In addition, the coordinated use of the spring 62 and the first push block 41 further enhances the stability and smoothness of the locking and unlocking process.
[0035] A protective silicone sheet covers the electronic lock's front cover, and silicone bumps effectively prevent water, dust, and other foreign matter from entering the lock, enhancing its protective performance. Locking and unlocking are achieved through a motor-driven rotating block, and the unlock button works in conjunction with the charging gun's lock hook, ensuring stable locking and smooth unlocking of the charging gun, making operation simple. Emergency unlocking function: The emergency unlock button allows for manual unlocking in the event of a power failure or system malfunction, ensuring smooth unlocking in emergencies and enhancing system safety and reliability. Simplified operation and maintenance: The protective silicone sheet is designed with silicone bumps, and the unlock button passes through a through-hole in the silicone sheet for easy operation. The protective silicone sheet can also be easily removed and replaced, making maintenance quick and easy. This utility model's automatic locking and unlocking mechanism prevents accidental operation or unauthorized unlocking of the charging gun during use, ensuring a safe charging process, especially suitable for high-power charging scenarios. The dual feedback design of a mechanical switch and a signal switch ensures real-time monitoring and feedback of the electronic lock's lock and unlock status, enhancing device reliability. The motor drives automatic locking and unlocking, allowing users to simply plug in or unplug the charging cable without having to manually lock or unlock it, improving user convenience. Even in the event of an electronic system failure, users can unlock the device using the emergency unlock button, increasing the device's reliability in emergencies.
[0036] Also included is an embodiment of a charging gun, based on the previous embodiment, such as Figure 2 As shown, the charging gun body 10 and the charging gun lock hook 101 are formed in the charging gun body 10. A cavity for accommodating the electronic lock for the charging gun is formed. The middle portion of the charging gun lock hook 101 is connected to the charging gun body 10 for limited rotation. The unlocking button 7 is abutted against the lower end of the rear side of the charging gun lock hook 101. The charging gun lock hook 101 is also used to close the cavity of the charging gun body 10. The charging gun lock hook 101 is formed with an unlocking lever that can replace the unlocking button 7. There are two options available. One is to unlock with a separate unlocking button. Since the unlocking button is an independent component, if it is damaged or worn, only the unlocking button needs to be replaced without replacing the entire lock hook assembly, which has low maintenance costs and simple operation. The other is to directly fix the unlocking button to the charging gun lock hook 101 (i.e., the unlocking lever). The unlocking lever and the charging gun lock hook are integrated together, simplifying the overall design, reducing the need for independent buttons, and improving the compactness and integration of the charging gun.
[0037] The limited rotation connection between the charging gun lock hook 101 and the charging gun body 10 can ensure that the charging gun remains stable during the insertion and removal process, avoiding looseness or incorrect connection. It effectively prevents the charging gun from falling off and improves the safety of the charging gun during the charging process. The unlocking button 7 is against the lower end of the rear side of the charging gun lock hook. The charging gun can be automatically unlocked by pressing the unlocking button, which reduces the complexity of manual operation and improves the efficiency of unlocking. The charging gun lock hook can not only lock the charging gun, but also ensure that the user can smoothly pull out the charging gun through the cooperation of the unlocking button, which is convenient to operate. The charging gun lock hook is used to close the cavity of the charging gun body, ensuring that the electronic lock and other internal components in the cavity will not be affected by the external environment, such as dust, rain, etc. during the charging process, thereby improving the overall protection performance of the charging gun. By combining the unlocking button (7) with the charging gun lock hook (101), the structure is compact and the operation is simple. The user only needs to press the button to complete the unlocking action, which reduces the complicated operation steps of the traditional mechanical lock and makes the user experience more convenient. The unlock button 80 abuts against the lower rear end of the charging gun lock hook 1012. When the unlock button 80 is locked, the charging gun lock hook 1012 is also restricted and cannot rotate.
[0038] In summary, the present invention provides an electronic lock system for charging guns. This system achieves motorized locking and unlocking of the charging gun through the tight integration of the electronic lock cover and bottom cover, and the strategic layout of the rotating block, motor, and switch assembly. The protective silicone sheet not only provides effective sealing protection but also ensures flexible operation of the unlock button. The overall structure is compact and easy to install, making it suitable for charging gun use in various environments. A protective silicone sheet with silicone bumps and through-holes is mounted on the upper surface of the electronic lock cover, ensuring smooth passage of the unlock button when pressed and effectively protecting against intrusion by dust, water, and other external substances. Further design features allow for the addition of an additional silicone sheet to enhance protection, making it particularly suitable for charging gun systems used outdoors or in complex environments. The motor-driven rotating block automates the locking and unlocking process, allowing for quick and convenient operation using the unlock button. The system also features an emergency unlock button for manual unlocking in the event of a power or electrical failure, ensuring safety and convenience. The electronic lock system is tightly integrated with the charging gun body and the lock hook. The lock hook is connected to the charging gun body through a limited rotation, ensuring the stability of the locked state. The lock hook also serves to seal the charging gun body cavity, ensuring that the internal electronic lock and related components are not affected by external factors, thereby improving the overall safety and durability of the charging gun. Through a unified design and components, the electronic lock system facilitates the assembly and maintenance of the charging gun. The design of the protective silicone sheet and silicone bumps not only enhances the system's protection capabilities but also simplifies daily maintenance and replacement operations. Whether for initial installation or subsequent maintenance, the system can be easily disassembled and assembled, reducing labor costs.
[0039] Finally, it should be noted that the above embodiments are only used to illustrate and not to limit the technical solutions of the present invention. Any equivalent replacement of the present invention and any modification or partial replacement that does not depart from the spirit and scope of the present invention should be included in the scope of protection of the claims of the present invention.
Claims
1. An electronic lock for a charging gun, characterized in that: The electronic lock comprises an electronic lock face cover (1), an electronic lock bottom cover (2), a protective silicone sheet (3), a rotating block (4), a motor (5), a switch assembly (6), an unlocking button (7) and an emergency unlocking button (8), wherein: The electronic lock face cover (1) and the electronic lock bottom cover (2) match each other and are fixed by fasteners to form an electronic lock housing; A motor (5), a switch assembly (6) and a rotating block (4) are installed inside the electronic lock housing. The switch assembly (6) is installed above the motor. The motor (5) drives the rotating block (4) to rotate. The rotating block (4) is used to press or release the switch assembly (6) by rotating. The lower end of the unlocking button (7) is against the rotating block (4). The emergency unlocking button (8) is used to push the rotating block (4) to rotate by moving horizontally. The protective silicone sheet (3) comprises a silicone substrate (31), a silicone convex block (32) and a silicone mounting seat (33); the protective silicone sheet (3) is an integrally formed design; the silicone convex block (32) is fixed to the upper surface of the silicone substrate (31); the silicone mounting seat (33) is fixed to one side of the silicone substrate (31); and a mounting cavity is formed in the silicone mounting seat (33); and a mounting position (11) matching the shape of the lower end of the protective silicone sheet (3) is formed on the electronic lock face cover (1); The silicone mounting seat (33) is formed with a silicone ring (34) for facilitating the emergency unlocking button (8) to pass through; the unlocking button (7) is mounted on the upper side of the protective silicone sheet (3) and passes through the electronic lock cover (1); the silicone protrusion (32) is provided with a through hole for facilitating the unlocking button (7) to pass through; The protective silicone sheet (3) is covered with a silicone pressing sheet (9), the silicone pressing sheet (9) is provided with a through groove (91) corresponding to the silicone protrusion (32), and a mounting block (92) mounted in the mounting cavity of the silicone mounting seat (33), and the mounting block (92) is provided with a mounting groove (93) for mounting the silicone ring (34).
2. The electronic lock for the charging gun according to claim 1, characterized in that: The rotating block (4) is formed with a first push block (41) at one end close to the switch assembly (6), and a second push block (42) is formed on the side thereof. The first push block (41) is used to press or release a button on the switch assembly. The lower end of the unlocking button (7) abuts against the upper part of the second push block (42), and the front end of the emergency unlocking button (8) abuts against the side of the second push block (42).
3. The electronic lock for the charging gun according to claim 2, characterized in that: The invention also includes an emergency unlocking button (8), wherein the switch assembly (6) is provided with a button (61) and a spring piece (62), one end of the spring piece (62) is fixed to the switch assembly (6), and the other end is against the button (61), and the first push block (41) slides on the spring piece (62).
4. A charging gun, based on the electronic lock for a charging gun according to any one of claims 1 to 3, characterized in that: The invention comprises a charging gun body (10) and a charging gun lock hook (101), wherein a cavity for accommodating an electronic lock for the charging gun is formed in the charging gun body (10), the middle portion of the charging gun lock hook (101) is connected to the charging gun body (10) in a limited rotation manner, an unlocking button (7) abuts against the lower end of the rear side of the charging gun lock hook (101), and the charging gun lock hook (101) is also used to close the cavity of the charging gun body (10).
5. The charging gun according to claim 4, characterized in that: An unlocking lever (102) that can replace the unlocking button (7) is formed on the charging gun lock hook (101).