Anti-drop mechanism for high-voltage wiring harness connector
By introducing an anti-detachment fixing mechanism and a quick-release mechanism into the high-voltage wiring harness connector, the problem of loosening and breakage of traditional connectors under vibration is solved, achieving a stable connection and convenient disassembly, which is suitable for high-voltage wiring harness connections in new energy vehicles.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional high-voltage wiring harness connectors are prone to loosening and breakage under vibration, and disassembly is complicated, making them inconvenient for the maintenance and testing of new energy vehicles.
It adopts an anti-disengagement fixing mechanism with upper and lower anti-disengagement buckles, combined with a quick-release mechanism, and uses components such as a clamping plate, fixing slot, clamping ring and actuating ring to achieve quick installation and disassembly, enhance connection stability and simplify the disassembly process.
It improves the stability of high-voltage wiring harness connections, prevents loosening and breakage, simplifies the disassembly process, and facilitates later maintenance and testing.
Smart Images

Figure CN224110589U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to new energy automobile accessory technical field, specifically point to a high pressure wire harness connector anti -drop mechanism. BACKGROUND
[0002] The high voltage wire harness can be configured in the electric vehicle inside and outside wire harness connection according to different voltage grade, and the high voltage wire harness of new energy automobile is mainly composed of connector, terminal, wire, covering and other parts, in order to improve the stability of wire harness connection, and play the protection function, usually adopt the special connector connection.
[0003] The traditional connector is mostly realized by different shape plastic clamping block and buckle, since the automobile is driven in the open air all the year round, the working environment is complex, and it is inevitable to have vibration, the traditional plastic clamping block and buckle are easy to deform with the lapse of time, thereby causing the connection loose, and the high voltage wire harness is broken in serious case, and after splicing, a plurality of buckles can be manually pressed to be removed, inconvenient for the maintenance and detection of new energy automobile later period. UTILITY MODEL CONTENTS
[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a high voltage wire harness connector anti -drop mechanism, which effectively solves the problems of loose, fracture and other conditions of the existing connector in use, and solves the problems of complex disassembly, inconvenient maintenance and detection.
[0005] The technical scheme adopted by the utility model is as follows: the utility model provides a high voltage wire harness connector anti -drop mechanism, which comprises an upper anti -drop buckle and a lower anti -drop buckle, the lower anti -drop buckle is connected to the lower end of the upper anti -drop buckle, the upper anti -drop buckle and the lower anti -drop buckle are provided with an anti -drop fixing mechanism, the side wall of the upper anti -drop buckle is connected with a quick release mechanism, and the lower anti -drop buckle can be disassembled through the quick release mechanism, the anti -drop fixing mechanism is composed of a clamping plate, a fixed clamping groove and a pressing ring, the clamping plate is arranged on the upper end surface of the lower anti -drop buckle and is uniformly distributed along the circumferential direction, the fixed clamping groove is uniformly distributed on the side wall of the upper anti -drop buckle and corresponds to the clamping plate along the circumferential direction, and the pressing ring is threadedly connected to the side wall of the upper end of the lower anti -drop buckle and is arranged on the inner side of the clamping plate, the quick release mechanism comprises a rotating ring slidingly connected to the outer wall of the upper anti -drop buckle, the inner wall of the rotating ring is uniformly distributed with a receiving groove along the circumferential direction, the receiving groove is connected with a top block, a reset spring is arranged between the top block and the rotating ring, and the reset spring is arranged in the receiving groove.
[0006] As an improvement of the scheme, the bottom of the upper anti -drop buckle is uniformly distributed with a splicing groove along the circumferential direction, the splicing groove corresponds to the clamping plate one by one, the inner walls of the upper anti -drop buckle and the lower anti -drop buckle are fixed with a butt joint pipe, and the inner wall of the butt joint pipe is fixed with an insulating heat shrink tape.
[0007] As the improvement of the scheme, the side wall of the toggle ring is provided with two symmetrical limiting clamping grooves, and the upper anti-unclamping side wall is fixed with two limiting sliding shafts sliding in the limiting clamping grooves.
[0008] As the improvement of the scheme, the upper end of the upper anti-unclamping side wall is provided with an annular protrusion and is provided with a pressing spring between the top of the toggle ring.
[0009] As the improvement of the scheme, the cross section of the top block is trapezoidal, the clamping plate is L-shaped and is provided with an inclined surface on the outer side of the top, and the top of the outer side of the fixed clamping groove and the top of the inner side of the splicing groove are both provided with an upward inclined chamfer, wherein the chamfer of the fixed clamping groove is parallel to the inclined surface of the top block, and the chamfer of the splicing groove is parallel to the inclined surface of the outer side of the clamping plate.
[0010] As the improvement of the scheme, the pressing ring is made of metal material.
[0011] The beneficial effects obtained by the above structure of the utility model are as follows:
[0012] 1. The anti-unclamping fixing mechanism is provided, the L-shaped clamping plate and the fixed clamping groove can realize the quick installation of the upper anti-unclamping and the lower anti-unclamping, the pressing ring made of metal material is embedded in the inner side of the clamping plate, the problem that the board is bent to the high-voltage wire harness side and causes unclamping is prevented, and the stability of connection is improved.
[0013] 2. The quick plug-in mechanism is provided on the outer side of the upper anti-unclamping, the movable toggle ring is used to realize the movement of each group of top blocks inside, the synchronous driving of each group of top blocks and the fixed clamping groove is used to align, the clamping plate can be quickly pulled out of the fixed clamping groove, the upper anti-unclamping and the lower anti-unclamping are quickly disassembled, and the detection and maintenance of the high-voltage wire harness in the later period are facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a whole structure schematic view of the anti-unclamping mechanism of the high-voltage wire harness connector.
[0015] Figure 2 It is a sectional view of the anti-unclamping mechanism of the high-voltage wire harness connector.
[0016] Figure 3 It is a whole structure schematic view of the anti-unclamping mechanism of the high-voltage wire harness connector after installation.
[0017] Figure 4 It is a sectional view of the anti-unclamping mechanism of the high-voltage wire harness connector in the embodiment Figure 3
[0018] Figure 5 It is an exploded view of the structure of each part and the inside thereof.
[0019] Wherein, 1, the upper anti-tripping; 2, the lower anti-tripping; 3, anti-tripping fixed mechanism; 4, quick release mechanism; 5, clamping plate; 6, fixed clamping groove; 7, abutting ring; 8, dial ring; 9, storage groove; 10, top block; 11, reset spring; 12, splicing groove; 13, butt pipe; 14, insulating heat shrink tape; 15, limiting clamping groove; 16, limiting sliding shaft; 17, abutting spring.
[0020] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0022] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , the present application provides a high-voltage wire harness connector anti-tripping mechanism, which comprises an upper anti-tripping 1 and a lower anti-tripping 2, the lower anti-tripping 2 is plug-connected to the lower end of the upper anti-tripping 1, an anti-tripping fixed mechanism 3 is arranged between the upper anti-tripping 1 and the lower anti-tripping 2, a quick release mechanism 4 is connected to the side wall of the upper anti-tripping 1, and the lower anti-tripping 2 can be disassembled through the quick release mechanism 4;
[0023] The anti-tripping fixed mechanism 3 can make the connection between the upper anti-tripping 1 and the lower anti-tripping 2 more stable, and enhance the connection stability under vibration.
[0024] As shown in Figure 1 and Figure 4 , the anti-tripping fixed mechanism 3 is composed of a clamping plate 5, a fixed clamping groove 6 and an abutting ring 7, the clamping plate 5 is arranged on the upper end face of the lower anti-tripping 2 and is uniformly distributed along the circumferential direction, the fixed clamping groove 6 is uniformly distributed on the side wall of the upper anti-tripping 1 along the circumferential direction and corresponds to the clamping plate 5 one by one, and the abutting ring 7 is threadedly connected to the side wall of the upper end of the lower anti-tripping 2 and is arranged on the inner side of the clamping plate 5;
[0025] Through the lifting of the abutting ring 7, the space between the clamping plate 5 and the top side wall of the lower anti-tripping 2 can be filled, effectively avoiding the bending deformation of the clamping plate 5 leading to connection rupture.
[0026] As shown in Figure 1 , Figure 2 and Figure 5As shown, the quick release mechanism 4 includes a sliding ring 8 connected to the outer wall of the upper anti-tripping device 1, and the inner wall of the sliding ring 8 is uniformly distributed with a receiving groove 9 in the circumferential direction, and a top block 10 is inserted and pulled in the receiving groove 9, and a return spring 11 is arranged between the top block 10 and the sliding ring 8, and the return spring 11 is arranged in the receiving groove 9.
[0027] As shown in Figure 1 , Figure 2 and Figure 4 , in order to facilitate the insertion and pulling of the card plate 5, the bottom of the upper anti-tripping device 1 is uniformly distributed with a splicing groove 12 in the circumferential direction, and the splicing groove 12 corresponds to the card plate 5 one by one, and the inner walls of the upper anti-tripping device 1 and the lower anti-tripping device 2 are both fixed with a butt joint pipe 13, and the inner wall of the butt joint pipe 13 is fixed with an insulating heat shrinkable tape 14.
[0028] In order to fix the position of the sliding ring 8, the side wall of the sliding ring 8 is provided with two symmetrical limiting clamping grooves 15, and the side wall of the upper anti-tripping device 1 is fixed with two limiting sliding shafts 16 sliding in the limiting clamping grooves 15, and the upper end of the side wall of the upper anti-tripping device 1 is provided with an annular protrusion and is provided with a pressing spring 17 between the top of the sliding ring 8.
[0029] As shown in Figure 2 and Figure 4 , the cross section of the top block 10 is trapezoidal, the card plate 5 is L-shaped and the top outer side is provided with an inclined surface, the top of the outer side of the fixed clamping groove 6 and the inner side of the top of the splicing groove 12 are both provided with an upward inclined chamfer, wherein the chamfer of the fixed clamping groove 6 is parallel to the inclined surface of the top block 10, and the chamfer of the splicing groove 12 is parallel to the inclined surface of the outer side of the card plate 5.
[0030] The pressing ring 7 is made of metal material, which has higher wear resistance and hardness compared with other materials.
[0031] In specific use, the high-voltage wire harness is respectively inserted through the butt joint pipes 13 of the upper anti-tripping device 1 and the lower anti-tripping device 2, and the insulating heat shrinkable tapes 14 are wrapped on the outer side of the high-voltage wire harness by heating, and then the high-voltage wire harness is butt jointed, and then the card plate 5 is used to insert the lower anti-tripping device 2 into the bottom of the upper anti-tripping device 1 through the splicing groove 12, in this process, the chamfer of the splicing groove 12 and the inclined surface of the top of the card plate 5 make the card plate 5 easily bend to the axis side, until the upper end of the card plate 5 is inserted into the fixed clamping groove 6, and then the fixed clamping groove 6 is fixed, and then the pressing ring 7 is rotated to make it upward along the axis, until it is immersed in the upper anti-tripping device 1, at this time, under the action of the pressing ring 7, the card plate 5 cannot be bent to the side of the high-voltage wire harness, thereby realizing the anti-tripping fixing.
[0032] When it is necessary to disassemble, only need to rotate the abutting ring 7 to unscrew the bottom of the upper anti-unclamping 1, then rotate the push ring 8 to move to the lowermost end under the guidance of the limiting clamping groove 15 and the limiting sliding shaft 16, at this time, the top block 10 in the push ring 8 is matched with the fixed clamping groove 6, and is pushed out to the fixed clamping groove 6 under the action of the reset spring 11, thereby the upper end of the clamping plate 5 is pushed out, and the upper anti-unclamping 1 and the lower anti-unclamping 2 are separated, and the above is the use process of the anti-unclamping mechanism of the high-voltage wire harness connector.
[0033] The above describes the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not designed creatively, which should belong to the protection scope of the utility model.
Claims
1. A high-voltage wire harness connector anti-disengagement mechanism, comprising an upper anti-disengagement buckle (1) and a lower anti-disengagement buckle (2), wherein the lower anti-disengagement buckle (2) is pluggably connected to the lower end of the upper anti-disengagement buckle (1), characterized in that: An anti-disengagement fixing mechanism (3) is provided between the upper anti-disengagement buckle (1) and the lower anti-disengagement buckle (2). A quick-release mechanism (4) is connected to the side wall of the upper anti-disengagement buckle (1), and the lower anti-disengagement buckle (2) can be disassembled through the quick-release mechanism (4). The anti-detachment fixing mechanism (3) consists of a card plate (5), a fixing slot (6) and a clamping ring (7). The card plate (5) is located on the upper end surface of the lower anti-detachment buckle (2) and is evenly distributed along the circumferential direction. The fixing slot (6) is evenly distributed along the circumferential direction on the side wall of the upper anti-detachment buckle (1) and corresponds one-to-one with the card plate (5). The clamping ring (7) is threaded to the side wall of the upper end of the lower anti-detachment buckle (2) and is located on the inner side of the card plate (5). The quick-release mechanism (4) includes a toggle ring (8) slidably connected to the outer wall of the upper anti-disengagement buckle (1), and a storage groove (9) is evenly distributed along the circumferential direction on the inner wall of the toggle ring (8). A top block (10) is inserted and pulled into the storage groove (9), and a reset spring (11) is provided between the top block (10) and the toggle ring (8). The reset spring (11) is located in the storage groove (9).
2. The high-voltage wire harness connector anti-disconnection mechanism according to claim 1, characterized in that: The bottom of the upper anti-disengagement buckle (1) is evenly distributed with splicing grooves (12) along the circumferential direction, and the splicing grooves (12) correspond one-to-one with the card plate (5). The inner walls of the upper anti-disengagement buckle (1) and the lower anti-disengagement buckle (2) are both fixed with connecting pipes (13), and the inner walls of the connecting pipes (13) are fixed with insulating heat shrink tape (14).
3. The high-voltage wire harness connector anti-disengagement mechanism according to claim 2, characterized in that: The actuating ring (8) has two symmetrical limiting slots (15) on its side wall, and the upper anti-disengagement buckle (1) has two limiting sliding shafts (16) that slide in the limiting slots (15) on its side wall.
4. The high-voltage wire harness connector anti-disconnection mechanism according to claim 3, characterized in that: The upper end of the side wall of the upper anti-disengagement buckle (1) is provided with an annular protrusion and a clamping spring (17) is provided between it and the top of the actuating ring (8).
5. The high-voltage wire harness connector anti-disconnection mechanism according to claim 2, characterized in that: The top block (10) has a trapezoidal cross section, the card plate (5) is L-shaped and has an inclined surface on its outer top, the top of the outer side of the fixing slot (6) and the top of the inner side of the splicing slot (12) are both chamfered upwards, wherein the chamfer of the fixing slot (6) is parallel to the inclined surface of the top block (10), and the chamfer of the splicing slot (12) is parallel to the inclined surface on the outer side of the card plate (5).
6. The high-voltage wire harness connector anti-disconnection mechanism according to claim 1, characterized in that: The clamping ring (7) is made of metal.