Waterproof automobile wire harness connecting terminal

Abstract

The utility model relates to the technical field of automobile parts, and discloses a waterproof automobile wire harness connecting terminal which comprises an elastic cap, a first shell is in threaded connection with the interior of the elastic cap, a second shell is in threaded connection with the interior of the first shell, and the outer wall of the second shell is in threaded connection with the interior of the elastic cap. A rotating disc is rotatably connected to the interior of the elastic cap, a sliding block is slidably connected to the inner wall of the rotating disc, a moving strip is fixedly connected to one end of the sliding block, a fixing ring is slidably connected to the outer wall of the moving strip, and the fixing ring is fixedly connected to the inner wall of the elastic cap. According to the utility model, the push rod installed on the rotating disc is pushed to drive the rotating disc to rotate in the loosening and tightening cap, along with the rotation of the rotating disc, the sliding block is further driven to slide along the groove of the rotating disc, and at the moment, the moving strip also slides on the fixed ring, so that the fixed arc-shaped sheet clamps the wire in the middle; the effects of tightening the inlet and preventing water are achieved.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, and in particular to a waterproof automotive wiring harness connection terminal. Background Technology

[0002] Automotive wiring harness connectors are interface components used to connect wires and electrical components in automotive circuits, ensuring reliable current transmission. The reason for using this product is that it provides stable contact performance, preventing wire loosening and oxidation, thereby ensuring the normal operation of the automotive electrical system. In automotive manufacturing and maintenance scenarios, especially in the engine compartment, dashboard, and between various electronic devices in the vehicle, automotive wiring harness connectors are widely used to enable quick connection and disconnection of wires, improving maintenance efficiency and ensuring driving safety.

[0003] Traditional automotive wiring harness connectors typically achieve their function through a metal housing with a specific shape and an internal elastic contact plate structure. The metal housing serves to fix and protect the internal contact plate, which is then tightly connected to the wire through a crimping process. When the terminal is inserted into the corresponding socket, the contact plate and the metal contacts inside the socket establish a mechanical and electrical connection, thereby ensuring stable current transmission. Simultaneously, the terminal design takes into account the requirements of shock resistance, corrosion resistance, and ease of insertion and removal to adapt to the complex and harsh working environment of automobiles.

[0004] However, traditional automotive wiring harness connectors have gaps in their structure, allowing moisture and liquids to easily penetrate into the terminals. This makes it impossible to maintain a stable electrical connection in humid or watery environments, and can easily lead to short circuits, corrosion, or poor contact due to moisture intrusion. As a result, it affects the normal operation of the automotive circuit and reduces the reliability and safety of the automotive circuit. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a waterproof automotive wiring harness connection terminal, which aims to improve the problem that the terminal is prone to moisture absorption in humid environments.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a waterproof automotive wiring harness connector terminal, comprising a tension cap, an outer shell first connected internally to the tension cap, an outer shell second connected internally to the outer shell first, the outer wall of the outer shell second being threadedly connected to the inside of the tension cap, a rotating disk rotatably connected inside the tension cap, a sliding block slidably connected to the inner wall of the rotating disk, a moving strip fixedly connected to one end of the sliding block, a fixing ring slidably connected to the outer wall of the moving strip, the fixing ring being fixedly connected to the inner wall of the tension cap, a fixing arc-shaped piece fixedly connected to one end of the moving strip, the outer wall of the rotating disk fitting against the outer wall of the fixing ring, and a pushing component provided on the outer wall of the rotating disk for pushing the rotating disk.

[0007] Furthermore, the pushing assembly includes a push rod, one end of which is fixedly connected to the outer wall of the rotating disk, and the other end of which is fixedly connected to a fixing cap.

[0008] Furthermore, the second outer shell contains a housing, the inner wall of which is fixedly connected to a fixing plate. A rotating rod is rotatably connected inside the fixing plate, and a rotating strip is rotatably connected outside the rotating rod. A protrusion is fixedly connected to one end of the rotating strip. A connecting plate is fixedly connected to the inner wall of the housing, and a sliding rod is slidably connected inside the connecting plate. A spring is sleeved on the outer wall of the sliding rod, one end of which is fixedly connected to a fixing strip, and the other end of which is fixedly connected to the lower surface of the connecting plate. A metal sheet is fixedly connected to the lower surface of the fixing strip. A fixing assembly is provided inside the rotating strip, and this fixing assembly is used to fix the rotating strip and the housing.

[0009] Furthermore, the fixing component includes a bolt, the outer wall of which is threaded into the interior of the rotating bar, and a hand-tightening nut is fixedly connected to the upper surface of the bolt.

[0010] Furthermore, the outer wall of the hand-tightening nut is attached to the upper surface of the rotating bar, and the outer wall of the bolt is threaded into the inside of the housing.

[0011] Furthermore, the outer wall of the rotating bar is slidably connected to the inside of the housing, and the fixed bar is slidably connected to the inside of the housing.

[0012] Furthermore, the outer wall of the protrusion is attached to the upper surface of the sliding rod, and the lower surface of the sliding rod is fixedly connected to the upper surface of the fixing strip.

[0013] Furthermore, the protrusion is rotatably connected inside the housing, and the outer wall of the metal sheet is slidably connected inside the housing.

[0014] This utility model has the following beneficial effects:

[0015] 1. In this utility model, by pushing the push rod installed on the rotating disk, the rotating disk is driven to rotate inside the tension cap. As the rotating disk rotates, the sliding block is further driven to slide along the groove of the rotating disk. At the same time, the moving strip also slides on the fixed ring, thereby clamping the wire in the middle with the fixed arc plate, achieving the effect of tightening the inlet and waterproofing. This solves the problem that the terminal is prone to moisture in a humid environment and improves the reliability and safety of the automotive circuit.

[0016] 2. In this utility model, by rotating the rotating bar on the rotating rod, the protrusion fixed at one end of the rotating bar presses against the sliding rod. While the sliding rod slides inside the connecting plate, it stretches the spring and drives the metal plate to fix the groove inside the housing. This achieves the effect of quickly fixing the wires inside the terminal, solving the problem of needing to fix the internal wires individually, and improving the efficiency and safety of connecting wires. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of a waterproof automotive wiring harness connection terminal proposed in this utility model;

[0018] Figure 2 This is a schematic diagram of the elastic cap structure of a waterproof automotive wiring harness connection terminal proposed in this utility model;

[0019] Figure 3 This is a cross-sectional schematic diagram of a loose cap for a waterproof automotive wiring harness connection terminal proposed in this utility model;

[0020] Figure 4 This is a schematic diagram of a rotating disk structure for a waterproof automotive wiring harness connection terminal proposed in this utility model;

[0021] Figure 5 This is a schematic diagram of the housing structure of a waterproof automotive wiring harness connection terminal proposed in this utility model;

[0022] Figure 6 This is a cross-sectional view of the housing of a waterproof automotive wiring harness connection terminal proposed in this utility model.

[0023] Legend:

[0024] 1. Elastic cap; 2. Outer shell one; 3. Outer shell two; 4. Rotating disk; 5. Sliding block; 6. Moving bar; 7. Fixing ring; 8. Fixing arc plate; 9. Push rod; 10. Fixing cap; 11. Housing; 12. Fixing plate; 13. Rotating rod; 14. Rotating bar; 15. Protrusion; 16. Connecting plate; 17. Sliding rod; 18. Spring; 19. Fixing bar; 20. Metal sheet; 21. Hand-tightening nut; 22. Bolt. Detailed Implementation

[0025] 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.

[0026] Reference Figures 1-4This utility model provides an embodiment of a waterproof automotive wiring harness connector terminal, comprising a tension cap 1, an outer shell 2 internally threaded to the tension cap 1, an outer shell 3 internally threaded to the outer shell 2, and an outer shell 3 threadedly connected to the outer wall of the outer shell 3 inside the tension cap 1. These components can be quickly disassembled and effectively prevent water ingress. A rotating disk 4 is rotatably connected inside the tension cap 1, and a sliding block 5 is slidably connected to the inner wall of the rotating disk 4. A groove inside the rotating disk 4 can drive the sliding block 5 to slide. A movable strip 6 is fixedly connected to one end of the sliding block 5, and a movable strip 6 is slidably connected to the outer wall of the movable strip 6. The fixed ring 7 can allow the moving bar 6 to move the fixed arc plate 8 to a certain position, and can also limit the position of the fixed arc plate 8. The fixed ring 7 is fixedly connected to the inner wall of the elastic cap 1. One end of the moving bar 6 is fixedly connected to the fixed arc plate 8. By moving the six fixed arc plates 8 simultaneously on the fixed ring 7, the wire in the middle can be restrained. The outer wall of the rotating disk 4 is attached to the outer wall of the fixed ring 7. The outer wall of the rotating disk 4 is provided with a pushing component. The pushing component is used to push the rotating disk 4. The pushing component includes a push rod 9. One end of the push rod 9 is fixedly connected to the outer wall of the rotating disk 4, and the other end of the push rod 9 is fixedly connected to the fixed cap 10.

[0027] Reference Figure 2 , Figure 5 and Figure 6 The outer casing 3 contains a housing 11. A fixing plate 12 is fixedly connected to the inner wall of the housing 11. A rotating rod 13 is rotatably connected inside the fixing plate 12, allowing a rotating bar 14 to rotate within the rotating rod 14. The rotating bar 14 is rotatably connected to the outside of the rotating rod 13. A protrusion 15 is fixedly connected to one end of the rotating bar 14. When the protrusion 15 is rotated by the connecting plate 16, its shape can press against the sliding rod 17. A connecting plate 16 is fixedly connected to the inner wall of the housing 11. The sliding rod 17 is slidably connected inside the connecting plate 16. A spring 18 is sleeved on the outer wall of the sliding rod 17. When the spring 18 returns to its original position, it can cause the metal plate 20 to return to its original position. A fixing strip 19 is fixedly connected to one end of the spring 18, and the other end of the spring 18 is fixedly connected to the lower surface of the connecting plate 16. A metal sheet 20 is fixedly connected to the lower surface of the fixing strip 19. A fixing component is provided inside the rotating strip 14. The fixing component is used to fix the rotating strip 14 and the housing 11. The fixing component includes a bolt 22. The outer wall of the bolt 22 is threadedly connected to the inside of the rotating strip 14. A hand-tightening nut 21 is fixedly connected to the upper surface of the bolt 22. The outer wall of the hand-tightening nut 21 is attached to the upper surface of the rotating strip 14. The outer wall of the bolt 22 is threadedly connected to the inside of the housing 11. The outer wall of the rotating strip 14 is slidably connected to the inside of the housing 11. The fixing strip 19 is slidably connected to the inside of the housing 11. The outer wall of the protrusion 15 is attached to the upper surface of the sliding rod 17. The lower surface of the sliding rod 17 is fixedly connected to the upper surface of the fixing strip 19. The inside of the protrusion 15 is rotatably connected to the inside of the housing 11. The outer wall of the metal sheet 20 is slidably connected to the inside of the housing 11.

[0028] Working principle: When the car wiring harness needs to be passed through the elastic cap 1, first push the push rod 9 to make the rotating disk 4 rotate inside the elastic cap 1. The rotating disk 4 will drive the sliding block 5 to slide in the groove of the rotating disk 4. When the sliding block 5 slides from the center of the groove of the rotating disk 4 to the surrounding area, the moving strip 6 is driven to slide outward on the fixing ring 7, expanding the waterproof ring composed of the fixing arc plate 8 to the maximum position. When the sliding block 5 slides from the surrounding area to the center on the rotating disk 4, the moving strip 6 will move towards the center of the fixing ring 7, and the fixing arc plate 8 will bind the wiring harness in the middle, preventing water from entering from the opening of the elastic cap 1. Rotating the elastic cap 1, outer shell 1 2 and outer shell 2 3 can separate them. This combination method can also achieve the waterproof effect.

[0029] When it is necessary to quickly fix the wires inside the housing 11, first push the exposed metal part of the wire into the interior of the housing 11, rotate the rotating bar 14 downwards so that the rotating bar 14 rotates on the rotating rod 13, and drives the convex surface of the protrusion 15 to press the sliding rod 17. When the sliding rod 17 slides downwards inside the connecting plate 16, it pulls the middle spring 18, so that the metal plate 20 can be stuck in the groove inside the housing 11, thereby fixing the wires in the groove under the metal plate 20. The metal plate 20 does not affect the power supply between the wires, achieving the effect of quickly connecting the wires.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A waterproof automotive wiring harness connector terminal, comprising a tension cap (1), characterized in that: The elastic cap (1) is internally threaded with a first outer shell (2), and the first outer shell (2) is internally threaded with a second outer shell (3). The outer wall of the second outer shell (3) is threadedly connected to the inside of the elastic cap (1). The elastic cap (1) is internally rotatably connected with a rotating disk (4). The inner wall of the rotating disk (4) is slidably connected with a sliding block (5). One end of the sliding block (5) is fixedly connected with a moving strip (6). The outer wall of the moving strip (6) is slidably connected with a fixing ring (7). The fixing ring (7) is fixedly connected to the inner wall of the elastic cap (1). One end of the moving strip (6) is fixedly connected with a fixing arc-shaped piece (8). The outer wall of the rotating disk (4) is attached to the outer wall of the fixing ring (7). The outer wall of the rotating disk (4) is provided with a pushing component, which is used to push the rotating disk (4).

2. The waterproof automotive wiring harness connector terminal according to claim 1, characterized in that: The pushing assembly includes a push rod (9), one end of which is fixedly connected to the outer wall of the rotating disk (4), and the other end of which is fixedly connected to a fixing cap (10).

3. A waterproof automotive wiring harness connector terminal according to claim 2, characterized in that: The outer shell (3) has a shell (11) inside. A fixing plate (12) is fixedly connected to the inner wall of the shell (11). A rotating rod (13) is rotatably connected inside the fixing plate (12). A rotating strip (14) is rotatably connected to the outside of the rotating rod (13). A protrusion (15) is fixedly connected to one end of the rotating strip (14). A connecting plate (16) is fixedly connected to the inner wall of the shell (11). A sliding rod (17) is slidably connected inside the connecting plate (16). A spring (18) is sleeved on the outer wall of the sliding rod (17). A fixing strip (19) is fixedly connected to one end of the spring (18). The other end of the spring (18) is fixedly connected to the lower surface of the connecting plate (16). A metal sheet (20) is fixedly connected to the lower surface of the fixing strip (19). A fixing component is provided inside the rotating strip (14). The fixing component is used to fix the rotating strip (14) and the shell (11).

4. A waterproof automotive wiring harness connector terminal according to claim 3, characterized in that: The fixing component includes a bolt (22), the outer wall of which is threaded into the inside of the rotating bar (14), and a hand-tightening nut (21) is fixedly connected to the upper surface of the bolt (22).

5. A waterproof automotive wiring harness connector terminal according to claim 4, characterized in that: The outer wall of the hand-tightening nut (21) is attached to the upper surface of the rotating bar (14), and the outer wall of the bolt (22) is threaded into the inside of the housing (11).

6. A waterproof automotive wiring harness connector terminal according to claim 5, characterized in that: The outer wall of the rotating bar (14) is slidably connected to the inside of the housing (11), and the fixed bar (19) is slidably connected to the inside of the housing (11).

7. A waterproof automotive wiring harness connector terminal according to claim 6, characterized in that: The outer wall of the protrusion (15) is attached to the upper surface of the sliding rod (17), and the lower surface of the sliding rod (17) is fixedly connected to the upper surface of the fixing strip (19).

8. A waterproof automotive wiring harness connector terminal according to claim 3, characterized in that: The protrusion (15) is rotatably connected inside the housing (11), and the outer wall of the metal sheet (20) is slidably connected inside the housing (11).

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