Automobile connector with high sealing strength
By introducing a loading and unloading mechanism and a sealing airbag into the automotive connector, the problems of cumbersome installation and disassembly and insufficient sealing are solved, achieving rapid installation and disassembly and high sealing performance, thus improving work efficiency and stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN YUQIU INKET ELECTRONICS SCI & TECH
- Filing Date
- 2025-06-27
- Publication Date
- 2026-07-14
Smart Images

Figure CN224502508U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive parts technology, specifically to an automotive connector with high sealing performance. Background Technology
[0002] Automotive connectors are a type of component that electronic engineers frequently encounter. Their function is very simple: to bridge the gaps in a circuit or between isolated circuits, allowing current to flow and enabling the circuit to perform its intended function. Automotive connectors come in a wide variety of forms and structures, but they are mainly composed of four basic structural components: contacts, housing (depending on the type), insulator, and accessories. In the industry, they are often referred to as sheaths, connectors, or plastic shells.
[0003] An investigation revealed that a Chinese utility model patent discloses a waterproof connector for automobiles (publication number: CN211404868U), comprising a first wire harness connection terminal and a second wire harness connection terminal. The first wire harness connection terminal is inserted into one end of the second wire harness connection terminal. A sealing block is fixedly installed at one end of the first wire harness connection terminal near the axis. An annular groove is formed on the surface of the sealing block. A sealing cavity is formed inside the second wire harness connection terminal near the axis. A receiving cavity is formed on the inner wall of the second wire harness connection terminal.
[0004] In the aforementioned patent, the installed clamping plates and annular grooves allow the ring formed by the two clamping plates to prevent moisture from passing through, improving the overall sealing effect. Simultaneously, the clamping plates, when inserted into the annular grooves, also clamp and fix the sealing block, ensuring it is firmly fixed within the sealing cavity. This improves the stability of the connection between the first and second wire harness connection terminals. However, the process of connecting the first and second wire harness connection terminals using flanges one and two is quite cumbersome in both installation and disassembly. The complex operation requires operators to invest more time in precise alignment and bolt tightening, which may reduce the overall efficiency of installation and disassembly.
[0005] Therefore, this utility model provides an automotive connector with high sealing performance to solve the above problems. Utility Model Content
[0006] (a) Technical problems to be solved
[0007] This invention provides an automotive connector with high sealing performance, aiming to solve the problems mentioned in the background art.
[0008] (II) Technical Solution
[0009] To achieve the above objectives, this utility model provides the following technical solution: a high-sealing automotive connector, comprising a first wiring harness connection terminal and a second wiring harness connection terminal, a wiring harness body fixedly installed on one side of the first wiring harness connection terminal, a first fixing block fixedly installed on the top of the first wiring harness connection terminal, a second fixing block fixedly installed on the top of the second wiring harness connection terminal, a fixing rod fixedly installed on one side of the first fixing block, a control groove opened inside the second fixing block, and a loading and unloading mechanism disposed inside the control groove for quick installation and removal.
[0010] The loading and unloading mechanism includes a fixed cylinder fixedly installed inside the control slot, a telescopic rod fixedly installed on the inner wall of the control slot, an insert fixedly installed on the movable end of the telescopic rod, a first spring sleeved on the side surface of the telescopic rod, a pressing block slidably installed inside the control slot, and an inclined block fixedly installed on one side of the pressing block.
[0011] As a preferred technical solution of this application, the side surface of the fixed insertion rod is in contact with the inner wall of the fixed cylinder, the end of the insertion block away from the telescopic rod passes through the fixed cylinder, the side surface of the fixed insertion rod is provided with a limiting groove for the insertion block to be inserted, one end of the first spring is fixedly connected to the inner wall of one side of the control groove, the other end of the first spring is fixedly connected to one side of the insertion block, multiple inclined blocks are provided, and the inclined surface of the inclined block is in contact with the inclined surface of the insertion block.
[0012] As a preferred technical solution of this application, a pad is slidably connected to the side surface of the fixed cylinder, and a second spring is sleeved on the side surface of the fixed cylinder. One end of the second spring is fixedly connected to one side of the pad, and the other end of the second spring is fixedly connected to the inner wall of one side of the control groove. The end of the inclined block away from the pressing block is in contact with one side of the pad.
[0013] As a preferred technical solution of this application, the second wire harness connection terminal has a slot inside, and a metal plug is fixedly connected inside the slot.
[0014] As a preferred technical solution of this application, a locking block is fixedly connected to one side of the first wire harness connection terminal, and a slot for inserting the metal plug is provided inside the locking block.
[0015] As a preferred technical solution of this application, a sealing airbag is fixedly connected inside the card slot, and an air inlet pipe is fixedly connected to one side of the sealing airbag, the air inlet pipe passing through the No. 2 wire harness connection terminal.
[0016] (III) Beneficial Effects
[0017] This utility model features a simple structure and convenient operation. Through its loading and unloading mechanism, installation is as simple as aligning and inserting the No. 1 and No. 2 wire harness connection terminals. Disassembly is easy; simply push the pressing block to separate the No. 1 and No. 2 wire harness connection terminals. This streamlined operation significantly improves the efficiency of overall installation and disassembly. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of a high-sealing automotive connector;
[0019] Figure 2 This is a cross-sectional schematic diagram of the control groove in a high-sealing automotive connector;
[0020] Figure 3 for Figure 2 Enlarged view of point A in the middle;
[0021] Figure 4 This is a schematic diagram of the installation of the No. 2 wire harness connection terminal in a high-sealing automotive connector;
[0022] Figure 5 This is a schematic diagram of the installation of the No. 1 wire harness connection terminal in a high-sealing automotive connector.
[0023] Figure 6 This is a schematic diagram of the installation of a plug in a high-sealing automotive connector;
[0024] Figure 7 This is a schematic diagram of the installation of a sealing airbag in a high-sealing automotive connector.
[0025] In the picture:
[0026] 1. No. 1 wire harness connection terminal; 2. No. 2 wire harness connection terminal; 3. Wire harness body; 4. First fixing block; 5. Second fixing block; 6. Fixing rod; 7. Fixing cylinder; 8. Telescopic rod; 9. Insert block; 10. First spring; 11. Pressing block; 12. Inclined block; 13. Pad plate; 14. Second spring; 15. Control groove; 16. Slot; 17. Metal insert rod; 18. Slot block; 19. Slot; 20. Sealing airbag; 21. Air inlet pipe. Detailed Implementation
[0027] 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.
[0028] This utility model provides a highly sealing automotive connector, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the automotive connector includes a first wiring harness connection terminal 1 and a second wiring harness connection terminal 2, a wiring harness body 3 fixedly installed on one side of the first wiring harness connection terminal 1, a first fixing block 4 fixedly installed on the top of the first wiring harness connection terminal 1, a second fixing block 5 fixedly installed on the top of the second wiring harness connection terminal 2, a fixing rod 6 fixedly installed on one side of the first fixing block 4, a control groove 15 opened inside the second fixing block 5, and a loading and unloading mechanism provided inside the control groove 15 for quick installation and removal.
[0029] The loading and unloading mechanism includes a fixed cylinder 7 fixedly installed inside the control groove 15, a telescopic rod 8 fixedly installed on the inner wall of the control groove 15, an insert block 9 fixedly installed on the movable end of the telescopic rod 8, a first spring 10 sleeved on the side surface of the telescopic rod 8, a pressing block 11 slidably installed inside the control groove 15, and an inclined block 12 fixedly installed on one side of the pressing block 11.
[0030] The side surface of the fixed insertion rod 6 is in contact with the inner wall of the fixed cylinder 7. The end of the insertion block 9 away from the telescopic rod 8 passes through the fixed cylinder 7. The side surface of the fixed insertion rod 6 is provided with a limiting groove for the insertion block 9 to be inserted. One end of the first spring 10 is fixedly connected to the inner wall of one side of the control groove 15, and the other end of the first spring 10 is fixedly connected to one side of the insertion block 9. Multiple inclined blocks 12 are provided, and the inclined surface of the inclined block 12 is in contact with the inclined surface of the insertion block 9.
[0031] When using this automotive connector, firstly, the first wire harness connection terminal 1 and the second wire harness connection terminal 2 are connected through the wire harness body 3. Then, the fixing rod 6 is inserted into the inside of the fixing cylinder 7. At this time, the plug block 9 is inserted into the inside of the limiting groove under the elastic force of the first spring 10, limiting and fixing the fixing rod 6. When disassembly is required, by pressing the pressing block 11, the pressing block 11 drives the inclined block 12 to move, and the inclined block 12 drives the plug block 9 to move out of the inside of the limiting groove. At this time, the fixing rod 6 can be pulled out from the inside of the fixing cylinder 7, thus realizing the quick installation and disassembly of the automotive connector. The operation is simple and convenient, greatly improving work efficiency, and increasing the sealing performance of the automotive connector, avoiding the phenomenon of loosening at the connection of the wire harness connection terminal due to poor sealing performance of the automotive connector.
[0032] Furthermore, in order to reposition all parts after disassembly, such as... Figure 1 , Figure 2 , Figure 3 and Figure 6As shown, a pad 13 is slidably connected to the side surface of the fixed cylinder 7, and a second spring 14 is sleeved on the side surface of the fixed cylinder 7. One end of the second spring 14 is fixedly connected to one side of the pad 13, and the other end of the second spring 14 is fixedly connected to the inner wall of one side of the control groove 15. The end of the inclined block 12 away from the pressing block 11 is in contact with one side of the pad 13.
[0033] When using this automotive connector, to disconnect the No. 1 wiring harness connection terminal 1 and the No. 2 wiring harness connection terminal 2, pressing the pressing block 11 causes the pad 13 to move synchronously. The movement of the pad 13 compresses the second spring 14. When the pressing block 11 is not subjected to external force, the pad 13 pushes the inclined block 12 to reset under the elastic force of the second spring 14. This achieves automatic reset of each component, eliminating the need for manual reset and further improving work efficiency. The automotive connector has a reasonable structural design, is easy and quick to operate, and greatly improves the ease of use and sealing of the automotive connector, making it suitable for a wide range of applications.
[0034] In order to facilitate the use of this automotive connector, such as Figure 1 , Figure 4 and Figure 5 As shown, the inside of the No. 2 wire harness connection terminal 2 is provided with a slot 16, and a metal plug 17 is fixedly connected inside the slot 16.
[0035] A locking block 18 is fixedly connected to one side of the No. 1 wire harness connection terminal 1, and the inside of the locking block 18 has a slot 19 for inserting the metal plug 17.
[0036] When using this automotive connector, to mate the No. 1 wire harness connection terminal 1 and the No. 2 wire harness connection terminal 2, the locking block 18 is aligned with the locking slot 16 and inserted. At this time, the metal plug 17 will be inserted into the slot 19, thereby limiting the connection between the No. 1 wire harness connection terminal 1 and the No. 2 wire harness connection terminal 2, making the connection tighter and less prone to falling off. This further improves the sealing and stability of the automotive connector. This design makes the connection process simpler and faster, greatly improving work efficiency.
[0037] Furthermore, in order to further achieve a tighter seal, such as... Figure 1 , Figure 2 and Figure 7 As shown, a sealing airbag 20 is fixedly connected inside the slot 16, and an air inlet pipe 21 is fixedly connected to one side of the sealing airbag 20. The air inlet pipe 21 passes through the No. 2 wire harness connection terminal 2.
[0038] When the car connector is in use, when the locking block 18 is fully inserted into the slot 16, it will compress the sealing airbag 20. At this time, air can be pumped into the air intake pipe 21 through an external air pump, causing the sealing airbag 20 to expand rapidly and fill the gap between the locking block 18 and the slot 16, thereby further improving the sealing performance of the car connector. At the same time, the elasticity of the sealing airbag 20 can also provide some cushioning for the locking block 18, preventing the locking block 18 from loosening between the locking block 18 and the slot 16 due to vibrations during car operation, further improving the stability of the car connector. This design not only improves the sealing performance and stability of the car connector, but also enhances its shock resistance and extends its service life.
[0039] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A high-sealing automotive connector, characterized in that: The automotive connector includes a first wiring harness connection terminal (1) and a second wiring harness connection terminal (2), a wiring harness body (3) fixedly installed on one side of the first wiring harness connection terminal (1), a first fixing block (4) fixedly installed on the top of the first wiring harness connection terminal (1), a second fixing block (5) fixedly installed on the top of the second wiring harness connection terminal (2), a fixing rod (6) fixedly installed on one side of the first fixing block (4), a control groove (15) opened inside the second fixing block (5), and a loading and unloading mechanism provided inside the control groove (15) for quick installation and removal; The loading and unloading mechanism includes a fixed cylinder (7) fixedly installed inside the control groove (15), a telescopic rod (8) fixedly installed on the inner wall of the control groove (15), an insert (9) fixedly installed on the movable end of the telescopic rod (8), a first spring (10) sleeved on the side surface of the telescopic rod (8), a pressing block (11) slidably installed inside the control groove (15), and an inclined block (12) fixedly installed on one side of the pressing block (11).
2. The automotive connector with high sealing performance according to claim 1, characterized in that: The side surface of the fixed rod (6) is in contact with the inner wall of the fixed cylinder (7). The end of the plug (9) away from the telescopic rod (8) passes through the fixed cylinder (7). The side surface of the fixed rod (6) is provided with a limiting groove for the plug (9) to be inserted. One end of the first spring (10) is fixedly connected to the inner wall of one side of the control groove (15). The other end of the first spring (10) is fixedly connected to one side of the plug (9). Multiple inclined blocks (12) are provided. The inclined surface of the inclined block (12) is in contact with the inclined surface of the plug (9).
3. The automotive connector with high sealing performance according to claim 1, characterized in that: A pad (13) is slidably connected to the side surface of the fixed cylinder (7), and a second spring (14) is sleeved on the side surface of the fixed cylinder (7). One end of the second spring (14) is fixedly connected to one side of the pad (13), and the other end of the second spring (14) is fixedly connected to the inner wall of one side of the control groove (15). The end of the inclined block (12) away from the pressing block (11) is in contact with one side of the pad (13).
4. The automotive connector with high sealing performance according to claim 1, characterized in that: The second wire harness connection terminal (2) has a slot (16) inside, and a metal plug (17) is fixedly connected inside the slot (16).
5. The automotive connector with high sealing performance according to claim 4, characterized in that: A locking block (18) is fixedly connected to one side of the No. 1 wire harness connection terminal (1), and a slot (19) for inserting the metal plug (17) is provided inside the locking block (18).
6. The automotive connector with high sealing performance according to claim 5, characterized in that: A sealing airbag (20) is fixedly connected inside the slot (16), and an air inlet pipe (21) is fixedly connected to one side of the sealing airbag (20). The air inlet pipe (21) passes through the second wire harness connection terminal (2).