Anti-creepage and omnidirectional shielding high-voltage rectangular connector

Abstract

The invention provides an anti-creepage and omni-directional shielding high-voltage rectangular connector which comprises a male connector and a female connector which are mutually inserted, each of the male connector and the female connector is provided with a metal shell, an insulation module and a conductive assembly, and the conductive assembly comprises a metal body, an insulation sleeve locked by a clamping jaw and an elastic filling piece which is pressed to be filled in a gap between the metal body and the insulation sleeve. And a high-voltage interlocking signal pin and a tail shielding connection structure which are shorter than the main power pin are integrated. According to the connector, rigid interface air gaps are eliminated through compression deformation of the elastic filling piece, glue-pouring-free high-voltage insulation and maintainability are achieved, meanwhile, a shielding connection structure and a high-voltage interlocking time sequence design are combined, reliable electromagnetic shielding and safety protection for preventing hot plugging arcing are effectively achieved, and the connection reliability in a compact space is remarkably improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electrical connectors, in particular to a high-voltage rectangular connector with anti-creepage and omnidirectional shielding. BACKGROUND

[0002] As a key interface for power transmission and signal control, high-voltage connectors are widely used in new energy vehicles, rail transit, high-end medical imaging equipment, and precision test instruments. With the development of electronic devices towards high-density integration, traditional circular high-voltage connectors gradually fail to meet the installation requirements of compact devices due to their low space utilization. In contrast, rectangular connectors have become key components for realizing device miniaturization due to their flat and easy-to-stack structure. In such harsh application scenarios, connectors not only need to withstand extremely high operating voltages (such as 10kV-12kV), but also need to have reliable mechanical locking mechanisms and excellent electromagnetic shielding performance.

[0003] However, in existing rectangular connector technology, achieving ultra-high voltage insulation in a very small space size poses a serious challenge, mainly due to the following technical bottlenecks: To meet the mechanical strength requirements, the insulator of a miniature high-voltage connector is usually made of hard engineering plastics such as PEEK, while the conductive pins are made of metal. During manufacturing and assembly, the interface between the rigid insulator and the rigid metal piece inevitably has micro air gaps at the microscopic level. In a high-voltage environment, especially when reaching 10kV or above, the air in these gaps is easily ionized, causing partial discharge and eventually leading to surface breakdown. To solve this problem, existing technologies usually use a whole glue-filling method to fill the gaps, but this not only increases production processes and costs, but also makes the connector internal non-dismantlable and unrepairable; or by significantly increasing the insulation wall thickness to meet the creepage distance requirements, but this sacrifices the size advantage of the connector, contrary to the original intention of miniaturization.

[0004] In addition, the cable shielding layer is usually cylindrical, and when it is connected to the tail of the rectangular connector, due to the difference in geometry, it is easy to have poor pressure connection or gaps at the four corners of the rectangular shell, leading to high-frequency electromagnetic wave leakage, making it difficult to achieve real 360° dead-angle shielding, and affecting the transmission quality of sensitive signals.

[0005] Therefore, there is an urgent need for a rectangular high-voltage connector that can eliminate micro air gaps through a specific composite insulation structure without relying on whole glue-filling and maintaining compact size, and at the same time solve the problems of rectangular shielding dead angle and plug-in jamming, to meet the stringent requirements of high-end equipment for high-voltage insulation, electromagnetic compatibility, and easy maintainability. SUMMARY

[0006] The technical problems solved by the present application are: the existing micro high-voltage rectangular connector is prone to micro air gap at the interface between the rigid insulator and the metal contact in the compact space design, resulting in partial discharge or surface breakdown under high voltage; and when the cable shielding layer is connected with the rectangular metal shell, the contact is not real or the conduction is poor, resulting in electromagnetic leakage.

[0007] The technical solution adopted by the present application to solve the technical problems is: A high-voltage rectangular connector for preventing electric creep and omnidirectional shielding, comprising a male connector and a female connector inserted into each other, the male connector and the female connector each comprising a metal shell, an insulating module arranged in the metal shell, and a conductive assembly arranged in the insulating module in an array; The conductive assembly comprises a metal body, an insulating sleeve sleeved on the metal body, and an elastic filler between the metal body and the insulating sleeve; A pawl is arranged on the outer wall of the insulating sleeve, and the pawl cooperates with the inner wall of the mounting hole of the insulating module to lock the conductive assembly in the insulating module; The elastic filler is sleeved on the root of the metal body, and in the state that the insulating sleeve is sleeved on the metal body, the elastic filler is deformed under compression and fills the gap between the metal body and the insulating sleeve.

[0008] Further, the conductive assembly includes a pair of high-voltage interlocking signal pins and a plurality of main power pins, the mechanical length of the high-voltage interlocking signal pins is shorter than that of the main power pins, so that the main power pins contact first and the high-voltage interlocking signal pins contact later in the insertion process, and the high-voltage interlocking signal pins separate first and the main power pins separate later in the separation process.

[0009] Further, the elastic filler is a silica gel tube, and the insulating sleeve is a rigid sleeve made of polyether ether ketone material; The silica gel tube is in an interference fit state and fills the annular gap between the metal body and the rigid sleeve when the insulating sleeve is locked.

[0010] Further, the conductive assembly in the male connector is a male pin assembly, and the conductive assembly in the female connector is a female hole assembly; The end of the metal body of the male pin assembly is recessed relative to the end face of the insulating sleeve or the insulating module, forming a predetermined safe creepage distance; The insulating sleeves of the male pin assembly and the female hole assembly are complementary in the front end structure, and when the male connector and the female connector are inserted, the ends of the insulating sleeves of the male pin assembly and the female hole assembly form a mutual telescopic cooperation structure.

[0011] Further, the front end of the metal shell of the male connector and the female connector is provided with a guide pin and a guide pin sleeve, and the guide pin and the guide pin sleeve of the male connector and the female connector are matched with each other; The guide pin and the guide pin sleeve are asymmetrically distributed. When the male connector and the female connector are inserted and combined, the matching surface of the metal shell forms a metal contact.

[0012] Further, a push-pull self-locking mechanism is integrated on the metal shell of the male connector, and the push-pull self-locking mechanism comprises a locking button, an elastic sheet and a fixing clamp. The fixing clamp is fixed on the metal shell of the male connector, and the elastic sheet is linked with the locking button. The metal shell of the female connector is provided with a locking groove, and when the male connector and the female connector are inserted and combined in place, the elastic sheet is clamped into the locking groove to realize mechanical locking.

[0013] Further, the insulating module is made of polyether ether ketone material, and the corner area of the rectangular frame is provided with an insulating wall which is thickened and smoothly transitioned.

[0014] Further, the tail part of the metal shell is provided with a shielding crimping structure, and the shielding crimping structure comprises a shielding compression part. The shielding compression part is made of metal material, and the cable shielding layer is tightly crimped on the inner wall or the conductive surface of the metal shell, so as to build a continuous electromagnetic shielding path between the cable shielding layer and the metal shell.

[0015] The beneficial effects of the present application are as follows: 1. The present application sets an elastic filler between the metal body and the rigid insulating sleeve, and in the state that the insulating sleeve is locked by the clamping jaw, the elastic filler is deformed after being pressed to physically fill the micro air gap between the rigid matching interface. This structure eliminates the air ionization path, effectively solves the problem of surface creepage and breakdown during high voltage transmission in a compact space. At the same time, this structure discards the traditional whole glue filling process, so that the internal components of the connector can be disassembled and replaced individually, significantly reducing the maintenance cost.

[0016] 2. The present application realizes reliable electrical conduction between the cable shielding layer and the rectangular metal shell through the shielding connection structure of the matching tail part of the full metal shell, builds a complete electromagnetic shielding body, suppresses the electromagnetic radiation interference in the high voltage transmission process, and significantly improves the electromagnetic compatibility of the connector.

[0017] 3. The application realizes the safety timing of "the main circuit is turned on first and the interlock is turned on later when plugging, and the interlock is turned off first and the main circuit is turned off later when unplugging" by integrating the high-voltage interlocking circuit and using the design of the length difference of the interlocking signal pin being shorter than the main power pin, ensuring the switching of the high-voltage circuit in the no-load state, fundamentally eliminating the arc risk caused by live plugging, and protecting the safety of the operators and the equipment.

[0018] 4. The application adopts the axial retraction design of the male pin assembly, so that the front end face of the metal main body is hidden inside the insulating module, forming a preset air creepage distance, not only playing a physical anti-electric shock protection role, but more importantly, effectively inhibiting the air ionization and arc phenomenon in the high-voltage environment in the plugging moment or incomplete locking state, providing additional insulation safety redundancy for the connector. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall structure schematic diagram of the high-voltage rectangular connector with anti-creep and omnidirectional shielding in embodiment 1. Figure 2 It is the structure schematic diagram of the female connector in embodiment 1. Figure 3 It is the structure schematic diagram of the male connector in embodiment 1. Figure 4 It is the structure schematic diagram of the male connector after removing the male insulating module in embodiment 1. Figure 5 It is the structure schematic diagram of the male pin assembly in embodiment 1. Figure 6 It is the structure schematic diagram of the female hole assembly in embodiment 1. Figure 7 It is the structure schematic diagram of the connector tail in embodiment 1.

[0020] Reference signs: 1, male connector; 2, female connector; 3, male pin assembly; 4, female hole assembly; 5, male pin main body; 6, male pin insulating sleeve; 7, claw; 8, transparent silica gel tube; 9, female hole main body; 10, female hole insulating sleeve; 11, male insulating module; 12, female insulating module; 13, guide pin; 14, guide pin sleeve; 15, locking button; 16, elastic sheet; 17, fixed clamp; 18, high-voltage interlocking signal pin; 19, shielding pressing piece. DETAILED DESCRIPTION

[0021] The application will be further described below in combination with the drawings and embodiments, but these specific implementation schemes do not limit the protection scope of the application in any way. Embodiment one

[0022] Reference Figures 1-7The application discloses a high-voltage rectangular connector with anti-creeper and omnidirectional shielding, which comprises a male connector 1 and a female connector 2 which are inserted into each other. The connector is designed to realize reliable insulation and transmission of high voltage (for example, 10kV-12kV) in a compact rectangular space, and integrates omnidirectional electromagnetic shielding and safety interlocking functions.

[0023] Both the male connector 1 and the female connector 2 comprise a core conductive assembly, an insulation module for fixing and insulating the conductive assembly, a metal shell for providing shielding and protection, and a mechanism for realizing guiding, locking and safety control.

[0024] The core conductive assembly in the male connector 1 is a male needle assembly 3, and the core conductive assembly in the female connector 2 is a female hole assembly 4, both of which are complementary in structure and function.

[0025] Referring to Figures 3-5 Specifically, the male needle assembly 3 comprises a male needle main body 5, a male needle insulation sleeve 6 which is sleeved outside the male needle main body 5, a clamping jaw 7 for locking the sleeve on the main body, and a transparent silica gel tube 8 which is arranged between the main body and the sleeve.

[0026] The male needle main body 5 is preferably made of HPb59-1 copper alloy, and the surface thereof is subjected to multi-layer electroplating treatment. Specifically, the electroplating treatment comprises a copper bottom with a thickness of 20u, local hard gold plating in a thick gold area (the final thickness is 30u-35u) and a sealing agent (30-60 seconds, and it is required that there is no rust spot after neutral salt spray for 96 hours), and the like. In the electroplating treatment, the electroplating liquid bottom gold concentration (0.3-0.5q / L) is added according to the plating layer requirements, the cobalt concentration (0.2-0.4g / L), the PH value is 3.8-4.4, the current density is 0.5-1A / dm2, the temperature is (40-50℃), and the finished product achieves low plugging force and high wear resistance. The male needle insulation sleeve 6 is made of PEEK material, and the wall thickness thereof is designed to be 0.35mm. PEEK has a very high relative tracking index, and is an ideal high-voltage insulation material. The wall thickness is matched with the size of the transparent silica gel tube 8, so as to ensure that the silica gel tube generates sufficient compression deformation after assembly.

[0027] Particularly, the male needle assembly 3 is subjected to deep-set structure optimization aiming at the air breakdown risk in a 12kV high-voltage environment. Specifically, the front end of the male needle main body 5 is not flush with the end face of the male insulation module 11, but is arranged inwardly. In the embodiment, the straight-line distance (i.e. the air creepage distance) between the tip of the male needle main body 5 and the outermost end face of the male insulation module 11 is set to be between 9mm and 10mm, and is preferably 9.41mm in the embodiment.

[0028] The deep distance design greatly increases the electrical gap between the high-voltage terminal and the external environment or the operator, preventing accidental electric shock. Secondly, and more importantly, in a high-voltage environment, the longer air creepage distance can effectively suppress air ionization in the plugging moment or incomplete plugging state, preventing the occurrence of arc flying and electrical breakdown, ensuring that the equipment can operate safely even in extremely humid or higher pollution level working conditions.

[0029] Therefore, the transparent silicone tube 8 (for example, φ0.5x1.5) is used as an elastic filler and is sleeved on the root of the male needle body 5. When the male needle insulating sleeve 6 is locked by the claw 7, the transparent silicone tube 8 is deformed by extrusion, thereby completely filling the annular gap between the metal and the PEEK material. This constitutes a three-layer composite insulation structure of "metal conductor-elastic insulation layer-rigid insulation shell", which fundamentally eliminates the risk of partial discharge and does not need to be filled with glue as a whole, thereby realizing maintainability.

[0030] Further, the claw 7 is made of C17200 beryllium copper alloy. The outer wall of the male needle insulating sleeve 6 is provided with a clamping groove, and the claw 7 is installed in the clamping groove. The claw 7 is used to lock the male needle insulating sleeve 6 and the internal male needle body 5 in the mounting hole of the male head insulation module 11. When the male needle insulating sleeve 6 is assembled in place, the elastic arms of the claw 7 are opened and clamped into the corresponding structure of the hole wall of the insulation module, thereby achieving mechanical locking.

[0031] Referring to Figure 2 and Figure 6 In the embodiment, the female hole assembly 4 adopts a structure symmetrical and complementary to the male needle assembly 3. When the male and female heads are inserted, the end portions of the insulating sleeves of the two are nested with each other, thereby further increasing the overall creepage distance of the insertion interface.

[0032] Specifically, the female hole assembly 4 includes a female hole body 9, a female hole insulating sleeve 10 sleeved on the female hole body 9, a claw 7 for locking the sleeve on the body, and a transparent silicone tube 8 between the body and the sleeve.

[0033] The female hole body 9 is preferably made of C54400-Y2 copper alloy. In order to ensure excellent electrical conductivity and wear resistance consistent with the male needle body 5, the surface thereof is also subjected to precise multi-layer plating treatment: the bottom layer is copper, the middle layer is chemical nickel (100-120u), the outermost layer is integral hard gold plating, and the inner hole contact area is subjected to local thickening treatment (30u-35u).

[0034] The claw 7 is made of C17200 beryllium copper alloy and is installed in the clamping groove on the outer wall of the female hole insulating sleeve 10. The claw 7 is used to lock the female hole insulating sleeve 10 and the internal female hole body 9 in the mounting hole of the female head insulation module 12, thereby preventing falling during plugging.

[0035] Further, the front end structure of the female hole insulating sleeve 10 is complementary to the male pin insulating sleeve 6. When the male head and the female head are inserted together, the end parts of the insulating sleeves of the two form a mutual sleeve-stacking cooperation (for example, the male pin sleeve is inserted into the female hole sleeve, or vice versa), and the depth of the insertion cooperation significantly increases the surface creepage distance under the high-voltage electric field, preventing the flying arc phenomenon.

[0036] The male pin assembly 3 and the female hole assembly 4 are respectively installed and fixed in the male head insulating module 11 and the female head insulating module 12.

[0037] Specifically, the male head insulating module 11 and the female head insulating module 12 are both made of PEEK material and are internally provided with an array of installation holes. In view of the edge field concentration effect of the rectangular structure under high voltage, the rectangular frame of the module is thickened at the four corner regions and is provided with a large round corner (R corner) transition, which smoothes the local field strength and effectively prevents the sharp discharge breakdown at the corners of the rectangular frame. The inner wall of the installation hole is provided with a step or groove structure (not shown in the figure) matched with the pawl 7. The module not only provides secondary insulation, but also firmly locks the conductive assembly through the cooperation of the internal structure and the pawl 7 on the outer wall of the insulating sleeve. The rectangular frame of the module is thickened and smoothed at the corners to optimize the electric field distribution and prevent sharp discharge.

[0038] Referring to Figure 7 To achieve effective electromagnetic shielding and solve the common shielding leakage problem at the corners of the rectangular shell, the connector adopts a metal shell and a special shielding crimping structure. At the tail of the connector, the shielding crimping structure includes a shielding compression member 19 made of metal, which is made of stainless steel in this embodiment. The shielding compression member 19 can tightly crimp the cable shielding layer to the inner wall or conductive surface of the rectangular metal shell. Through the mechanical locking force of the shielding compression member 19, it is ensured that the cable shielding layer can still maintain reliable conductive contact with the metal shell under the limited conditions of the rectangular space, thereby eliminating the electromagnetic leakage risk and building a complete low-impedance Faraday cage.

[0039] Specifically, the male head shell and the female head shell are both made of aluminum alloy and form a continuous shielding body. When inserted, the two achieve 360° metal contact through a large-area precise mating surface, forming a low-impedance shielding path.

[0040] To ensure the correctness, reliability and intrinsic safety of the connection, the application integrates multiple mechanisms. Specifically, the female head shell is provided with a guide pin 13 and a guide pin sleeve 14, and the male head shell is provided with a corresponding guide pin sleeve 14 and a guide pin 13, which are designed asymmetrically to achieve physical anti-misinsertion. In addition, the precise cooperation of the guide pin and the pin sleeve forms a pre-guide system, effectively overcoming the mechanical jamming phenomenon caused by the angle inclination of the wide and flat rectangular plug at the initial stage of insertion and pull-out, ensuring the smoothness of the push-pull operation.

[0041] Further, the male housing is integrated with a push-pull self-locking mechanism, including a locking button 15, a spring 16 and a fixed clamp 17. After being inserted into place, the spring 16 is automatically clamped into the female housing lock slot, providing clear feedback and holding force. The housing also has a connector position assurance device mounting position for secondary anti-loosening.

[0042] In addition, the present application includes a key high-voltage safety interlocking design. In the array of conductive components, a pair of high-voltage interlocking signal pins 18 (also referred to as HVIL terminals) are provided. The mechanical length of the high-voltage interlocking signal pins 18 is designed to be shorter than the main power pins. The length difference forces a unique safety timing: during insertion: the main power pins contact first, and the high-voltage interlocking signal pins 18 contact later. The system confirms that the interlocking loop is connected before allowing the main circuit to pass high-voltage electricity. During disconnection: the high-voltage interlocking signal pins 18 disconnect first (open circuit), and the system immediately cuts off the high-voltage power supply after detecting the open circuit, and then the main power pins are disconnected in a non-electric state. This "later connection, earlier disconnection" logic fundamentally eliminates the risk of arcing caused by live insertion and removal.

[0043] The working principle and method of the high-voltage rectangular connector of the present application are as follows: Firstly, the transparent silicone tube 8 is sleeved at the root of the gold-plated male pin body 5, and then the PEEK male pin insulating sleeve 6 with the clamping jaw 7 is pushed into and covers the male pin body 5, at this time the transparent silicone tube 8 is deformed under pressure to fill the air gap. Then the assembled male pin assembly 3 is inserted into the male insulating module 11, and the clamping jaw 7 on the outer wall of the male pin insulating sleeve 6 is automatically locked with the male insulating module 11 to complete the fixation.

[0044] Secondly, through the asymmetric cooperation of the guide pin 13 and the guide pin sleeve 14, the only correct insertion direction is ensured, and during the insertion process, the metal shell first contacts to establish shielding continuity.

[0045] Thirdly, with continuous insertion, the main power circuit first establishes physical contact. When the connector is fully inserted into place, the shorter high-voltage interlocking signal pin 18 is connected last. The control system detects the interlocking signal and authorizes the high-voltage output. At the same time, the push-pull self-locking mechanism operates, the spring 16 is clamped into the lock slot to complete the first locking, and the CPA buckle can be additionally installed.

[0046] Fourthly, safe disconnection. During disconnection, the mechanical lock is first released. At the moment of pulling out, the shorter high-voltage interlocking signal pin 18 is disconnected first, and the controller immediately cuts off the high-voltage power supply. Then, the main power pin is disconnected in a non-electric state. The whole process ensures that no arc is generated.

[0047] In summary, the application solves the problem of air gap ionization under high voltage by the combined insulation structure of the independent PEEK sleeve locked by the clamping jaw 7 and the transparent silica gel tube 8 filling; solves the problem of omnidirectional shielding of the rectangular connector by the all-metal shell and the gradually changing surface shielding crimp ring; and realizes the plug-in logic of intrinsic safety by the high-voltage interlocking signal pin 18 with different lengths. Embodiment two

[0048] On the basis of embodiment one, the embodiment further provides an electromagnetic compatibility enhancement scheme.

[0049] Specifically, part or all of the male pin assembly 3 or the female hole assembly 4 can be replaced by a filter pin integrated with a filter circuit.

[0050] Further, the filter pin is internally integrated with a π-type (C-L-C) filter circuit including a miniaturized capacitor and a ferrite bead for filtering high-frequency noise in a specific frequency band.

[0051] The design allows users to flexibly configure according to the actual EMC requirements of the system, and further improves the anti-interference ability without changing the main structure of the connector.

[0052] The above is only the preferred embodiment of the application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the application shall be included in the protection scope of the application. The above is only the preferred embodiment of the application, and is not a limitation on the protection scope of the application. Any innovative improvement or replacement based on the application shall fall within the scope of the claims of the application. Meanwhile, the parameters, materials and processes mentioned in the above embodiments are not unique, and those skilled in the art can make various alternative choices without departing from the technical essence of the application. These alternative solutions shall also be considered to fall within the protection scope of the application.

Claims

1. A high-voltage rectangular connector with anti-creep and omnidirectional shielding, comprising a male connector and a female connector that interlock, characterized in that: Both male and female connectors include a metal housing, an insulating module disposed within the metal housing, and conductive components arranged in an array within the insulating module. The conductive component includes a metal body, an insulating sleeve fitted over the metal body, and an elastic filler located between the metal body and the insulating sleeve; The outer wall of the insulating sleeve is provided with claws, which cooperate with the inner wall of the mounting hole of the insulating module to lock the conductive components inside the insulating module; The elastic filler is fitted at the root of the metal body. When the insulating sleeve is fitted on the metal body, the elastic filler is compressed and deformed and fills the gap between the metal body and the insulating sleeve.

2. The high-voltage rectangular connector with anti-creep and omnidirectional shielding according to claim 1, characterized in that: The conductive component includes a pair of high-voltage interlock signal pins and several main power pins. The mechanical length of the high-voltage interlock signal pins is shorter than that of the main power pins, so that the main power pins make contact with the high-voltage interlock signal pins before the high-voltage interlock signal pins during the insertion process, and the high-voltage interlock signal pins separate from the main power pins before the main power pins during the separation process.

3. The high-voltage rectangular connector with anti-creep and omnidirectional shielding according to claim 1, characterized in that: The elastic filler is a silicone tube, and the insulating sleeve is a rigid sleeve made of polyetheretherketone material. When the insulating sleeve is locked, the silicone tube is in an interference fit state and fills the annular gap between the metal body and the rigid sleeve.

4. The high-voltage rectangular connector with anti-creep and omnidirectional shielding according to claim 1, characterized in that: The conductive component in the male connector is a male pin assembly, and the conductive component in the female connector is a female hole assembly. The metal body end of the male pin assembly is recessed relative to the end face of the insulating sleeve or the insulating module to form a preset safe creepage distance. The insulating sleeve of the male pin assembly and the insulating sleeve of the female hole assembly are complementary in their front end structures. When the male connector and the female connector are inserted, the ends of the insulating sleeve of the male pin assembly and the insulating sleeve of the female hole assembly form a mating structure that overlaps with each other.

5. The high-voltage rectangular connector with anti-creep and omnidirectional shielding according to claim 1, characterized in that: The front end of the metal housing of both the male connector and the female connector is provided with a guide pin and a guide pin sleeve, and the guide pin and guide pin sleeve of the male connector and the female connector cooperate with each other. The guide pins and guide pin sleeves are asymmetrically distributed; When the male connector is inserted into the female connector, the mating surfaces of the metal housing form a metal contact.

6. The high-voltage rectangular connector with anti-creep and omnidirectional shielding according to claim 1, characterized in that: The metal housing of the male connector is integrated with a push-pull self-locking mechanism, which includes a locking button, a spring, and a fixing clip. The retaining clip is fixed to the metal housing of the male connector, and the spring piece is linked to the locking button; The female connector has a locking groove on its metal housing. When the male connector and the female connector are inserted into the locking groove, the spring clip is locked in place to achieve mechanical locking.

7. The high-voltage rectangular connector with anti-creep and omnidirectional shielding according to claim 1, characterized in that: The insulating module is made of polyetheretherketone material, and its rectangular frame has thickened and smoothly transitioned insulating walls at the corners.

8. The high-voltage rectangular connector with anti-creep and omnidirectional shielding according to any one of claims 1-7, characterized in that: The metal casing is provided with a shielding crimping structure at its tail end, and the shielding crimping structure includes a shielding clamping component; The shielding clamping component is made of metal material and is used to tightly press the cable shielding layer onto the inner wall or conductive surface of the metal shell to create a continuous electromagnetic shielding path between the cable shielding layer and the metal shell.

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