Modularized direct current charging seat capable of rapidly replacing terminals
The modular design of the DC charging dock enables rapid replacement of the front-end terminal components, solving the problems of high cost and safety hazards caused by overall replacement in existing technologies, and improving maintenance efficiency and safety.
Patent Information
- Application Number
- CN202520281885.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-21
AI Technical Summary
During use, some terminals of existing new energy vehicle charging sockets are damaged, requiring the entire socket to be replaced, which increases after-sales costs and poses safety hazards.
A modular DC charging dock is designed, consisting of a front-end terminal assembly, a pre-assembled main body, and a rear-end terminal assembly. The dock is fixed by screws, the front-end terminals can be replaced individually, the rear-end terminals are connected by male and female plug-in connections, and the signal terminals are fixed by spring contacts, enabling quick replacement.
It reduces after-sales maintenance costs, improves safety, and allows for the flexibility of replacing some or all terminals, thus extending service life.
Smart Images

Figure CN223858498U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to direct current charging seat technical field especially a modularization direct current charging seat of quick replacement terminal. BACKGROUND
[0002] At present, the new energy automobile charging socket is influenced by environment, human and other abnormal factors in the long-term use process, which can cause the socket terminal damage and reduce the socket service life. When the socket is maintained after sale, only part of the terminal can be invalid, but the whole socket can be replaced, which can cause the high after-sale cost and the safety hidden danger in the replacement process. UTILITY MODEL CONTENTS
[0003] In order to overcome the existing shortage, the utility model provides a modularization direct current charging seat of quick replacement terminal.
[0004] The utility model discloses a technical scheme that solves its technical problem: a modularization direct current charging seat of quick replacement terminal, including front end terminal assembly, preloading main part and rear end terminal assembly, the preloading main part includes flip cover assembly, main part and main part back cover, the flip cover assembly rotation is connected in the front end of main part, and the main part tail end clamps main part back cover, the front end terminal assembly is installed into the inside of main part, and the rear end terminal assembly is assembled to the main part tail end, and the main part is equipped with PCB support and PCBA, and is sealed between main part back cover through main body sealing ring.
[0005] According to another embodiment of the utility model, further include, the flip cover assembly one end is through the pivot and is connected with the rotation of main part, and the other end is equipped with the lug, the main part front end and the lug corresponding position is equipped with the buckle, and the buckle rotation is connected on the main part, and is matched with the lug.
[0006] According to another embodiment of the utility model, further include, the main part tail is equipped with the locking block, and the main part back cover front end is equipped with the locking sheet, and the locking sheet middle is equipped with the card hole matched with the locking block.
[0007] According to another embodiment of the utility model, further include, the front end terminal assembly includes front panel, PE female terminal, signal terminal and DC female terminal, and is equipped with several groups of hollow cylinder on the front panel, and the hollow cylinder inserts PE female terminal, signal terminal and DC female terminal, and the signal terminal tail is the elastic sheet structure, and is matched with PCBA through the elastic sheet contact form.
[0008] According to another embodiment of the utility model, further include, the PE female terminal and DC female terminal are respectively inserted into PE sealing ring and DC sealing ring, and the front panel is locked with the main part by screw.
[0009] According to another embodiment of the utility model, further include, the rear end terminal subassembly includes DC terminal support, DC male terminal, DC back cover, PE terminal support, PE male terminal and PE back cover, the DC male terminal front end is equipped with DC terminal support, the rear end is through DC line sealing ring nest into DC back cover, the PE male terminal front end is equipped with PE terminal support, the rear end is through PE line sealing ring nest road PE back cover.
[0010] The utility model discloses beneficial effect is, aiming at above situation, this modularization direct current charging seat carries out structure optimization to main body, including main body split detachable panel and main body two parts, through screw installation fixed, integral type terminal split front end double -end spring female terminal and rear male terminal, through female -male plug -in connection, signal terminal is fixed on detachable panel through elastic sheet, as a whole installation, when after -sales maintenance, only need to take down the screw of fixed panel, need not whole car disassembly and replacement, can realize the purpose of free replacement terminal (can replace partially, also can replace completely), greatly save after -sales maintenance cost, increase security simultaneously. BRIEF DESCRIPTION OF DRAWINGS
[0011] The utility model is further explained below combining with the drawings and examples.
[0012] Figure 1 It is the explosion drawing of the utility model;
[0013] Figure 2 It is the explosion drawing of modular assembly;
[0014] Figure 3 It is the sectional view of the utility model.
[0015] In the drawing, 1, front end terminal subassembly, 2, preinstall main body, 3, rear end terminal subassembly, 4, flip cover subassembly, 5, main body, 6, main body back cover, 7, PCB support, 8, PCBA, 9, main body sealing ring, 10, pivot, 11, boss, 12, buckle, 13, locking block, 14, locking sheet, 15, card hole, 16, front panel, 17, PE female terminal, 18, signal terminal, 19, DC female terminal, 20, PE sealing ring, 21, DC sealing ring, 22, screw, 23, DC terminal support, 24, DC male terminal, 25, DC back cover, 26, PE terminal support, 27, PE male terminal, 28, PE back cover, 29, DC line sealing ring, 30, PE line sealing ring. DETAILED DESCRIPTION
[0016] As Figure 1It is the structural schematic diagram of the utility model, a kind of modularization DC charging seat of terminal can be quickly replaced, including front end terminal assembly 1, preloading main body 2 and rear end terminal assembly 3;The preloading main body 2 includes flip assembly 4, main body 5 and main body back cover 6;The flip assembly 4 rotationally connects at the front end of main body 5, and the main body 5 tail end is clamped main body back cover 6;The front end terminal assembly 1 is loaded into main body 5 inside, and rear end terminal assembly 3 is assembled to the tail end of main body 5, and PCB support 7 and PCBA 8 are equipped in main body 5, and are sealed between main body back cover 6 by main body sealing ring 9.
[0017] Specifically, the present application has the characteristics of modularization, and the whole can be divided into front end terminal assembly 1, preloading main body 2 and rear end terminal assembly 3, and the front end terminal assembly 1 can be used as a separate whole, greatly saving replacement cost.
[0018] According to another embodiment of the utility model, further including, one end of the flip assembly 4 is rotationally connected with the main body 5 through the pivot 10, and the other end is provided with the lug 11;The main body 5 front end is provided with the buckle 12 at the position corresponding to the lug 11, and the buckle 12 is rotationally connected on the main body 5 and is matched with the lug 11.
[0019] According to another embodiment of the utility model, further including, the tail of the main body 5 is provided with the locking block 13, and the front end of the main body back cover 6 is provided with the locking sheet 14, and the locking sheet 14 is provided with the clamping hole 15 matched with the locking block 13 in the middle.
[0020] According to another embodiment of the utility model, further including, the front end terminal assembly 1 includes front panel 16, PE female terminal 17, signal terminal 18 and DC female terminal 19;Front panel 16 is provided with a plurality of groups of hollow cylinders, and the hollow cylinders are inserted with PE female terminal 17, signal terminal 18 and DC female terminal 19;The tail of the signal terminal 18 is a spring piece structure, and is matched with PCBA 8 by spring piece contact form.
[0021] According to another embodiment of the utility model, further including, the PE female terminal 17 and DC female terminal 19 are respectively sleeved into PE sealing ring 20 and DC sealing ring 21, and the front panel 16 is locked with the main body 5 by screw 22.
[0022] Specifically, the integral main body is split into front panel and rear main body, embedded nuts are installed in the rear main body, and fixing screws 22 are locked by nuts;Only need to unscrew the screw with screwdriver, remove the front panel 16, can freely select to replace signal, DC, PE female terminal, after replacement is completed, install the front panel 16 and lock the screw 22, convenient operation, save time and effort and money.
[0023] According to another embodiment of the utility model, further include, the rear end terminal assembly 3 including DC terminal support 23, DC male terminal 24, DC back cover 25, PE terminal support 26, PE male terminal 27 and PE back cover 28, DC male terminal 24 front end is equipped with DC terminal support 23, rear end is through DC line sealing ring 29 and is sleeved into DC back cover 25, PE male terminal 27 front end is equipped with PE terminal support 26, rear end is through PE line sealing ring 30 and is sleeved with PE back cover 28.
[0024] Specifically, DC and PE terminals are split type structures, and the tail end male terminal is connected in a male-female plug-in form, the tail of the signal terminal 18 is a spring piece structure, and is matched with the PCBA 8 in a spring piece contact form, the front end terminal can be freely selected and replaced, and the life is more than 22000 times of plugging and unplugging.
[0025] Specific operation process, installation steps:
[0026] The first step is to install the main body preinstalled part, and the step is: the main body 5 front end is installed into the flip cover assembly 4, the PCBA 8 front end is installed into the PCB support 7, the main body sealing ring 9 is installed into the main body 5, and then the main body back cover is assembled at the rear end of the main body 5.
[0027] The second step is to install the rear terminal assembly, and the step is: the PE male terminal 27 and the DC male terminal 24 are installed into the PE male terminal support 26 and the DC terminal support 27, the PE line sealing ring 30 and the DC line sealing ring 29 are installed into the PE back cover 28 and the DC back cover.
[0028] The third step is: the signal terminal 18 is installed into the front panel 16, the DC female terminal 19 and the PE female terminal 17 are sleeved with the DC sealing ring 21 and the PE sealing ring 20, and are installed into the main body 5, the front panel 16 is assembled to the main body 5, and the assembly is completed by screwing the screw 22.
[0029] The female terminal replacement step is: the screw fixing the front panel is unscrewed, the front panel 16 is taken out, the female terminal is taken out and replaced with a new terminal, then the new front panel is installed, and the screw is tightened, wherein the front panel and the signal terminal can be replaced as a whole.
[0030] The above description is only illustrative but not restrictive for the utility model, and those skilled in the art understand that many modifications, changes or equivalents can be made without departing from the spirit and scope defined by the appended claims, but all will fall within the protection scope of the utility model.
Claims
1. A modular DC charging station with quick replaceable terminal, comprising a front terminal assembly (1), a preloaded main body (2) and a rear terminal assembly (3); the preloaded main body (2) comprises a flip cover assembly (4), a main body (5) and a main body rear cover (6); the flip cover assembly (4) is rotationally connected at the front end of the main body (5), and the main body rear cover (6) is clamped at the tail end of the main body (5); the front terminal assembly (1) is installed inside the main body (5), and the rear terminal assembly (3) is assembled to the tail end of the main body (5), characterized in that, The main body (5) is internally provided with a PCB support (7) and a PCBA (8), and is sealed with the main body rear cover (6) by a main body sealing ring (9).
2. The modular DC charging station with quick change terminals of claim 1, wherein, One end of the flip cover assembly (4) is rotationally connected with the main body (5) by a rotating shaft (10), and the other end is provided with a protruding block (11); the front end of the main body (5) is provided with a buckle (12) at a position corresponding to the protruding block (11), and the buckle (12) is rotationally connected with the main body (5) and matched with the protruding block (11).
3. The modular DC charging station with quick change terminals of claim 1, wherein, The tail of the main body (5) is provided with a locking block (13), and the front end of the main body rear cover (6) is provided with a locking sheet (14), and the locking sheet (14) is provided with a clamping hole (15) matched with the locking block (13).
4. The modular DC charging station with quick change terminals of claim 1, wherein, The front end terminal assembly (1) comprises a front panel (16), a PE female terminal (17), a signal terminal (18) and a DC female terminal (19); the front panel (16) is provided with a plurality of hollow cylinders, and the PE female terminal (17), the signal terminal (18) and the DC female terminal (19) are inserted into the hollow cylinders; the tail of the signal terminal (18) is a spring piece structure, and is matched with the PCBA (8) by spring contact.
5. The modular DC charging station with quick change terminals of claim 4, wherein, The PE female terminal (17) and the DC female terminal (19) are respectively sleeved in a PE sealing ring (20) and a DC sealing ring (21), and the front panel (16) is locked with the main body (5) by a screw (22).
6. The modular DC charging station with quick change terminals of claim 1, wherein, The rear end terminal assembly (3) comprises a DC terminal support (23), a DC male terminal (24), a DC rear cover (25), a PE terminal support (26), a PE male terminal (27) and a PE rear cover (28); the front end of the DC male terminal (24) is provided with the DC terminal support (23), and the rear end is sleeved in the DC rear cover (25) by a DC wire sealing ring (29); the front end of the PE male terminal (27) is provided with the PE terminal support (26), and the rear end is sleeved in the PE rear cover (28) by a PE wire sealing ring (30).