A charging gun with a quick-change electronic lock assembly
The design of the quick-change electronic lock assembly solves the problem of easy damage to the electronic lock and S switch of the charging gun, realizes simple assembly and efficient maintenance, and improves the reliability and maintenance efficiency of the charging gun.
Patent Information
- Application Number
- CN202423024071.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-09
AI Technical Summary
The electronic lock and S-switch of existing charging guns are prone to damage, leading to connection problems and difficulties in replacement, which affects charging efficiency and user experience, and shortens their lifespan, especially in outdoor environments.
Design a quick-change electronic lock assembly that connects to the female connector via a plug-in method, eliminating the need for a PCBA board. Employing terminal crimping technology simplifies the process, increases floating space to prevent connection failure, and includes an emergency unlock button for easy maintenance.
It enables easy assembly and maintenance of the charging gun, reduces maintenance costs, improves reliability and maintenance efficiency for outdoor use, and extends equipment life.
Smart Images

Figure CN223599151U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric automobile charging technical field, specifically is a kind of charging gun with quick-change electronic lock assembly. BACKGROUND
[0002] Charging gun is mainly used to charge electric automobile, and charging gun is used as the interface of charging equipment and electric automobile charging battery. With the increasing sales of new energy vehicles, charging piles also show explosive growth. Most of them use direct current high voltage and large current, and charging is outdoor. In use and operation, there are still many unskilled personnel using charging gun, and deviation is inevitable in use method, which leads to the failure of the two most critical components of charging gun, electronic lock and S switch. Therefore, the main problem of the charging gun returned to the market is the damage of S switch, which leads to connection problems, and the charging gun cannot be charged or the electronic lock is damaged, and the charging gun cannot be charged. At the same time, the device itself will also be worn out, and the service life has a certain limit. Moreover, the service life will be shortened in high humidity environment such as outdoor, and it is very troublesome to replace. The entire charging gun needs to be disassembled and returned to the manufacturer for replacement, the replacement cycle is long, and it wastes manpower and material resources, causing poor operation of the station and user experience. SUMMARY
[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a charging gun with quick-change electronic lock assembly, which can replace electronic lock or switch on site through quick-change electronic lock assembly, so as to avoid affecting the use of charger by customers.
[0004] The utility model solves the above problems by the following technical scheme:
[0005] A charging gun with quick-change electronic lock assembly, comprising: a charging gun main shell, a plug assembly, an electronic lock assembly, a female connector and a cable assembly, a shell cover is detachably covered on the upper part of the charging gun main shell, and the plug assembly is installed at the front end of the charging gun main shell; The female connector is installed at the rear end of the plug assembly with floating space, and has a connecting port opening upward; The electronic lock assembly is installed below the shell cover in the charging gun main shell and is inserted into the connecting port upward and downward.
[0006] As a further improvement, the terminal of the female connector is crimped with one end of the cable assembly, and the other end of the cable assembly penetrates the rear end of the charging gun main shell.
[0007] As a further improvement, the plug assembly and the charging gun main shell are fixedly installed by screws.
[0008] As a further improvement, the plug assembly rear end is formed with opposite sliding grooves and screw fixing portions outside the sliding grooves; the female connector outer periphery is formed with sliding plates matched with the sliding grooves, so that the female connector has a rearward freedom at the plug assembly rear end through the matching of the sliding grooves and the sliding plates; the rearward freedom of the female connector at the plug assembly rear end is limited through the fixing screws and the screw fixing portions.
[0009] As a further improvement, the sliding grooves and the sliding plates are transitionally matched.
[0010] As a further improvement, the female connector side surface is further provided with an open corner groove, and the open corner groove upper end is open to facilitate the installation and limitation of the cable.
[0011] As a further improvement, the charging gun main shell is further provided with an emergency unlocking button assembly to unlock the electronic lock through the emergency unlocking button assembly.
[0012] As a further improvement, the emergency unlocking button assembly comprises an unlocking rod, an unlocking spring and a limiting groove, the unlocking spring is sleeved outside the unlocking rod and is inserted with the limiting groove together with the unlocking rod; the unlocking rod outer end penetrates through the charging gun main shell and the inner end is matched with the lock tongue to unlock the lock tongue through the unlocking rod.
[0013] As a further improvement, the electronic lock assembly comprises a male connector, a male terminal, a micro switch and an electronic lock, the male terminal is arranged on the male connector and is crimped with the cable of the micro switch and the electronic lock, so that the male terminal of the male connector is connected with the terminal of the female connector.
[0014] Compared with the prior art, the utility model has the following advantages and beneficial effects:
[0015] (1) Compared with the existing wiring mode, the charging gun of the utility model is inserted with the female connector through the electronic lock assembly, the assembly is more convenient, the internal wiring of the charging gun is more simple, and especially in the case of failure of the electronic lock and the micro switch, outdoor maintenance is more convenient.
[0016] (2) Compared with other electronic lock assembly quick change schemes, the electronic lock assembly and the female connector of the utility model are inserted up and down, the PCBA board is cancelled, the connector is connected without welding through the terminal crimping process, glue is not needed, the process flow is simplified, the assembly efficiency is improved, and the cost is reduced.
[0017] (3) The floating space is arranged on the female connector to prevent the connection failure caused by the difficulty in insertion or the failure in insertion during the up and down insertion process; the female connector and the electronic lock assembly are fixed firmly to prevent the failure caused by the impact or vibration during the use of the charging gun. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of a charging gun structure with a quick-change electronic lock assembly according to the present invention.
[0019] Figure 2 This is a schematic diagram showing the installation between the female connector and the plug assembly of this utility model;
[0020] Figure 3 This is a schematic diagram of the electronic lock assembly of this utility model;
[0021] Figure 4 This is a schematic diagram of the installation of the emergency unlocking button assembly of this utility model.
[0022] Figure label:
[0023] 1. Charging gun main housing; 2. Plug assembly; 21. Slide groove; 22. Screw fixing part; 23. Fixing screw; 3. Electronic lock assembly; 31. Male connector; 32. Male terminal; 33. Micro switch; 34. Electronic lock; 4. Emergency unlock button assembly; 41. Unlock rod; 42. Unlock spring; 43. Limiting groove; 5. Female connector; 51. Slide plate; 52. Opening angle groove; 53. Connection port; 6. Cable assembly; 7. Housing cover. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Example
[0026] Combined with appendix Figures 1-4 As shown, a charging gun with a quick-change electronic lock assembly includes: a charging gun main housing 1, a plug assembly 2, an electronic lock assembly 3, a female connector 5, and a cable assembly 6. The plug assembly 2 is disposed at the front end of the charging gun main housing 1 and is fixedly installed to the charging gun main housing 1 by screws. The terminals of the female connector 5 are crimped to one end of the cable assembly 6, and the other end of the cable assembly 6 passes through the rear end of the charging gun main housing 1. The female connector 5 is installed at the rear end of the plug assembly 2 with a certain floating space and has an upward-opening connection port 53. The electronic lock assembly 3 is installed inside the charging gun main housing 1 and is inserted vertically into the connection port 53 to prevent connection failure caused by vibration and impact, and to facilitate quick replacement of the electronic lock assembly 3.
[0027] The installation process is: the plug assembly 2, the female connector 5, the cable assembly 6 and other parts are installed on the charging gun main shell according to the designed position, then the electronic lock assembly 3 is installed from top to bottom on the charging gun main shell, and is inserted with the female connector 5 to realize connection. Among them, the female connector 5 is fixed on the plug assembly 2 and has a proper floating space, which is convenient for the up-down insertion adjustment position of the electronic lock assembly 3; preferably, the terminal of the female connector 5 is pressed on the cable of the cable assembly 6 to realize crimping, realizing the conduction of the electronic lock assembly 3, the female connector 5 and the cable assembly 6.
[0028] In the embodiment, the rear end of the plug assembly 2 is formed with a sliding groove 21 and a screw fixing portion 22 located outside the sliding groove 21, and the outer periphery of the female connector 5 is formed with a sliding plate 51 matched with the sliding groove 21, so that the female connector 5 has a rear freedom degree at the rear end of the plug assembly 2 by matching the sliding groove 21 with the sliding plate 51; the fixing screw 23 is threadedly connected with the screw fixing portion 22 to limit the rear freedom degree of the female connector 5 at the rear end of the plug assembly 2; preferably, the sliding groove 21 and the sliding plate 51 are transitionally matched, and the fixing screw 23 is not closely matched with the sliding plate 51, so that the female connector 5 has a certain floating space on the plug assembly 2.
[0029] Preferably, the side surface of the female connector 5 is further provided with an open corner groove 52, and the upper end of the open corner groove 52 is open to facilitate installation and limit the cable.
[0030] The charging gun main shell 1 is further provided with an emergency unlocking button assembly 4 to unlock the electronic lock through the emergency unlocking button assembly 4. Further, the emergency unlocking button assembly 4 includes an unlocking rod 41, an unlocking spring 42, and a limiting groove 43, the unlocking spring 42 is sleeved outside the unlocking rod 41 and is inserted with the unlocking rod 41 and the limiting groove 43; the outer end of the unlocking rod 41 penetrates through the charging gun main shell 1 and the inner end is matched with the lock tongue, the outer end of the unlocking rod 41 is extruded to extrude the inner end of the unlocking rod 41 to the lock tongue, so as to unlock the lock tongue, and the shell cover 7 above the charging gun main shell 1 is opened to realize physical unlocking.
[0031] In an optional embodiment, the electronic lock assembly 3 includes: a male connector 31, a male terminal 32, a micro switch 33 and an electronic lock 34, the male terminal 32 is crimped on the cable of the micro switch 33 and the electronic lock 34, and then is installed on the male connector 31 to be connected with the male connector 31 to form the electronic lock assembly, and the electronic lock assembly 3 is inserted with the female connector 5 to form circuit conduction.
[0032] Preferably, the charging gun main shell 1 is detachably covered with a shell cover 7, and the electronic lock assembly 3 is arranged below the shell cover 7, so as to facilitate disassembly, maintenance and repair of the electronic lock assembly 3.
[0033] Compared with the existing wiring mode, the charging gun is inserted with the female end connector through the electronic lock assembly, is more convenient to assemble, and the internal wiring of the charging gun is more simple, especially for the case that the electronic lock and the micro switch have faults, outdoor maintenance is more convenient. Compared with other electronic lock assembly quick change schemes, the electronic lock assembly and the female end connector of the utility model are inserted up and down, the PCBA board is cancelled, the connector is connected without welding through the terminal crimping process, glue is not needed, the process flow is simplified, the assembly efficiency is improved, and the cost is reduced. And by installing and arranging the floating space of the female end connector, the connection failure caused by the difficulty or misalignment in the up-down insertion process is prevented; the female end connector and the electronic lock assembly are fixed firmly, so that the failure caused by impact or vibration during the use of the charging gun is prevented.
[0034] Although the utility model is described herein with reference to the explanatory embodiments of the utility model, the above-mentioned embodiments are only the preferred implementation manners of the utility model, and the implementation manners of the utility model are not limited by the above-mentioned embodiments, and it should be understood that the skilled in the art can design many other modifications and implementation manners, and these modifications and implementation manners will fall within the scope and spirit of the principles disclosed in the application.
Claims
1. A charging gun with a quick-change electronic lock assembly, characterized in that, The application relates to a charging gun main shell, a plug assembly, an electronic lock assembly, a female end connector and a cable assembly. The female end connector is installed at the rear end of the plug assembly and has an upwardly-opened connecting port. The terminal of the female end connector is pressure-welded with one end of the cable assembly, and the other end of the cable assembly penetrates through the rear end of the charging gun main shell.
2. The charging gun with a quick-change electronic lock assembly according to claim 1, characterized in that, The plug assembly is fixedly installed with the charging gun main shell through screws.
3. The charging gun with a quick-change electronic lock assembly according to claim 1, characterized in that, The rear end of the plug assembly is formed with opposite sliding grooves and screw fixing portions outside the sliding grooves.
4. The charging gun with a quick-change electronic lock assembly according to claim 1, characterized in that, The outer periphery of the female end connector is formed with sliding plates matched with the sliding grooves.
5. The charging gun with a quick-change electronic lock assembly according to claim 4, characterized in that, The sliding grooves and the sliding plates are transitionally matched.
6. The charging gun with a quick-change electronic lock assembly according to claim 4, characterized in that, The side surface of the female end connector is further provided with an open corner groove.
7. The charging gun with a quick-change electronic lock assembly according to claim 1, characterized in that, The charging gun main shell is further provided with an emergency unlocking button assembly.
8. The charging gun with a quick-change electronic lock assembly according to claim 7, characterized in that, The emergency unlocking button assembly comprises an unlocking rod, an unlocking spring and a limiting groove.
9. The charging gun with a quick-change electronic lock assembly according to any one of claims 1-8, characterized in that, The unlocking spring is sleeved outside the unlocking rod and is inserted with the unlocking rod and the limiting groove. The outer end of the unlocking rod penetrates through the charging gun main shell and is matched with a lock tongue. The electronic lock assembly comprises a male end connector, a male end terminal, a micro switch and an electronic lock. The male end terminal is arranged on the male end connector and is pressure-welded with the cable of the micro switch and the electronic lock. The male end terminal of the male end connector is connected with the terminal of the female end connector.