A waterproof connector

Abstract

The application relates to a waterproof connector and relates to the technical field of connectors, which comprises a shell, four first sealing rings arranged in a straight line array are fixedly connected to the inner wall of the shell, a plurality of connecting terminals and fixed square tubes arranged in a rectangular array are fixedly connected to the surface of the insulating support, four second sealing rings arranged in a straight line array are fixedly connected to the outer wall of the fixed square tubes, and a third sealing ring is fixedly connected to one side of the inner wall of the second sealing rings. The waterproof connector has the effects that, through the synergistic effect of the first sealing ring, the second sealing ring and the third sealing ring, the path of liquid entering the connector from the gap of the shell or the joint of components can be blocked, so that short circuit failure of the metal components of the internal connecting terminals or the mating device caused by the liquid can be prevented, the waterproof effect of the connector is improved, the entering of the liquid is reduced, the corrosion of the liquid to the metal components of the connecting terminals or the mating device is prevented, and the service life of the connector is prolonged.

Description

Technical Field

[0001] This application relates to the field of connector technology, and in particular to a waterproof connector. Background Technology

[0002] With the widespread application of electronic devices, the market demand for connectors is growing. Connectors are a common basic electrical component used to connect signal lines or power lines. They are widely used in outdoor lighting, automotive electronics, underwater equipment and other fields. The function of connectors is to form a connection between two non-connected circuits in a circuit, so that current can flow.

[0003] However, existing connectors lack waterproof structures and other protections, allowing liquids to enter the connector through gaps in the housing or joints. This can cause short circuits in internal metal components such as terminals, leading to malfunctions. Furthermore, liquids can corrode metal components, reducing the connector's lifespan. Utility Model Content

[0004] The purpose of this application is to provide a waterproof connector with advantages such as improved waterproof performance. It solves the problems of existing connectors lacking waterproof structure and other protection, which allow liquid to enter the connector through gaps in the connector shell or joints, causing short circuits in internal metal components such as connecting terminals, and causing corrosion of metal components by liquid, thereby shortening the service life of the connector.

[0005] This application provides a waterproof connector with the following technical solution: A waterproof connector includes a housing, four first sealing rings arranged in a linear array are fixedly connected to the inner wall of the housing, a plurality of through holes arranged in a rectangular array are opened on one side of the housing, an insulating bracket is fixedly connected inside the housing, a plurality of conductive pins arranged in a rectangular array are fixedly connected inside the insulating bracket, a plurality of connecting terminals and fixed square tubes arranged in a rectangular array are fixedly connected to the surface of the insulating bracket, an inner tube is fixedly connected inside each of the plurality of fixed square tubes, four second sealing rings arranged in a linear array are fixedly connected to the outer wall of the plurality of fixed square tubes, a third sealing ring is fixedly connected to one side of the inner wall of the plurality of fixed square tubes, and a docking device is slidably arranged on one side of the housing.

[0006] By adopting the above technical solution, four first sealing rings arranged in a linear array are set on the inner wall of the outer shell. When the connector and the mating device are assembled, the first sealing rings can fit the gap between the outer wall of the mating device and the inner wall of the outer shell, forming a first waterproof structure to prevent external liquids from entering the connector from the assembly point between the outer shell and the mating device. Simultaneously, four second sealing rings arranged in a linear array are set on the outer wall of the fixed square tube, and a third sealing ring is connected to one side of the inner wall of the second sealing rings. When the mating device is inserted into the connector, the second sealing rings can fill the gap between the mating device and the outer wall of the fixed square tube, forming a second sealing structure. When the first sealing rings fail, the second sealing rings continue to seal. This connector provides waterproofing through a third sealing ring located on one side of the inner wall of the fixed square tube. This third sealing ring fills the gap between the mating device and the inside of the fixed square tube, further preventing liquid from directly contacting the internal conductive components. Through the synergistic effect of the first, second, and third sealing rings, this device blocks the path of liquid into the connector through gaps in the housing or joints between components, preventing liquid ingress and thus preventing short circuits in the metal components of the internal connecting terminals or mating devices caused by liquid. Simultaneously, by improving the connector's waterproofing and reducing liquid ingress, it prevents liquid from corroding the metal components of the connecting terminals or mating devices, thereby extending their service life.

[0007] Preferably, a waterproof sheet is fixedly connected to the surface of the insulating bracket, and a slot is provided inside one side of the outer shell.

[0008] By adopting the above technical solution, a waterproof sheet is fixed on the surface of the insulating bracket. When the docking device is inserted into the connector, the waterproof sheet can be inserted into the docking device to further prevent liquid from entering, forming a physical waterproof barrier and reducing the probability of liquid contact with metal parts. Furthermore, by setting the slot, the docking device and the slot can cooperate to achieve the accuracy of docking when the connector and the docking device are assembled, thus avoiding the failure of the sealing ring due to misalignment during assembly.

[0009] Preferably, slots are provided on both sides of the outer casing.

[0010] By adopting the above technical solution, and by opening slots on both sides of the housing, the slots can form a stable engagement with the snap-fit ​​structure on the docking device when the connector is assembled with the docking device. This prevents displacement between the connector and the docking device, avoids loosening or separation under vibration, pulling and other usage scenarios, reduces signal or current transmission interruptions caused by unstable connection, and further improves the reliability and stability of the connector in various usage environments.

[0011] Preferably, mounting plates are fixedly connected to the bottom ends of both sides of the outer casing.

[0012] By adopting the above technical solution, the connector can be fixed by two mounting plates, preventing the connector from shifting or shaking, and further improving the reliability of the connector in outdoor, vehicle-mounted and other scenarios that are susceptible to external forces.

[0013] Preferably, the plurality of conductive pins pass through one end of the insulating bracket and are fixedly connected to the connecting terminal.

[0014] By adopting the above technical solution, a stable conductive path is formed by connecting multiple conductive pins through one end of the insulating bracket and fixedly connecting them to the connecting terminal. When current or signal passes through, the current or signal can be received through the connecting terminal and transmitted to the conductive pin to form a transmission.

[0015] Preferably, all of the conductive needles are arranged through a through hole.

[0016] By adopting the above technical solution, multiple conductive pins pass through the through hole, allowing the conductive pins to extend from one side of the outer casing, and the extended conductive pins can be used to install with external devices.

[0017] Preferably, all of the connecting terminals are fixedly disposed inside the inner tube.

[0018] By adopting the above technical solution, multiple connecting terminals are fixedly installed inside the inner tube, which provides protection for the connecting terminals and prevents them from being deformed or displaced due to external impact or squeezing during assembly or use.

[0019] Preferably, the plurality of first sealing rings, second sealing rings and third sealing rings are all made of fluororubber.

[0020] By adopting the above technical solution, the good elasticity and weather resistance of fluororubber itself can maintain a stable sealing pressure during use. Even after long-term use or exposure to harsh environments, it is not easy to harden, age or deform, which further improves the waterproof reliability and service life of the connector in complex environments.

[0021] In summary, this application includes the following beneficial technical effects: This waterproof connector features a first sealing ring on the inner wall of the housing, a second sealing ring on the outer wall of the fixed square tube, and a third sealing ring on one side of the inner wall of the fixed square tube. All are made of fluororubber, enhancing its weather resistance and sealing performance, forming multiple waterproof barriers. The first, second, and third sealing rings prevent liquid from entering the connector through gaps in the housing or at component joints. Simultaneously, a waterproof sheet on the surface of the insulating bracket further prevents liquid from contacting the metal components. The slot design ensures precise assembly, preventing misalignment that could lead to sealing ring failure. The slot is used to connect the connector to the mating device. During installation, the latches on the mating device are secured to the slots to prevent the connector from loosening under external force, which would affect the sealing effect and ensure the stability of current or signal transmission. The inner tube protects the connection terminals, preventing them from deforming or shifting due to external impacts or pressure during assembly or use. The device, with its first, second, and third sealing rings, enhances the connector's waterproof performance, preventing short circuits or corrosion of internal metal components due to liquid intrusion, ensuring stable conductivity, and thus extending the connector's service life and improving reliability in various complex environments. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this application; Figure 2 This is a schematic diagram of the internal structure of the outer shell of the structure described in this application; Figure 3 This is a schematic diagram of the plug-in device structure of this application; Figure 4 This is a schematic diagram of the connection structure between the conductive pin and the terminal block in this application. Figure 5 A cross-sectional view of the installation structure of the docking device in this application.

[0023] In the picture: 1. Outer shell; 2. First sealing ring; 3. Through hole; 4. Insulating bracket; 5. Conductive pin; 6. Connecting terminal; 7. Fixed square tube; 8. Inner tube; 9. Second sealing ring; 10. Third sealing ring; 11. Waterproof sheet; 12. Slot; 13. Card slot; 14. Mounting plate; 15. Docking device. Detailed Implementation

[0024] The following is in conjunction with the appendix Figure 1 -Appendix Figure 5 This application will be described in further detail below.

[0025] Example 1: A waterproof connector, as shown in the figure. Figure 1 , Figure 2 and Figure 3The connector includes a housing 1, with four first sealing rings 2 arranged in a linear array fixedly connected to the inner wall of the housing 1. By setting four first sealing rings 2 arranged in a linear array on the inner wall of the housing 1, the first sealing rings 2 can fill the gaps in the assembly during assembly, forming the first waterproof structure to prevent external liquid from entering the connector from the assembly point of the housing 1. A plurality of through holes 3 arranged in a rectangular array are opened on one side of the housing 1. An insulating bracket 4 is fixedly connected inside the housing 1. A plurality of conductive pins 5 arranged in a rectangular array are fixedly connected inside the insulating bracket 4. The conductive pins 5 are fixed inside the housing 1 by the arrangement of the insulating bracket 4.

[0026] Reference Figure 1 , Figure 3 and Figure 5 The insulating bracket 4 has multiple connecting terminals 6 arranged in a rectangular array and fixed square tubes 7 fixedly connected to its surface. Each fixed square tube 7 has an inner tube 8 fixedly connected inside. The outer walls of the multiple fixed square tubes 7 have four second sealing rings 9 arranged in a linear array fixedly connected. The second sealing rings 9 can fill the gaps between the outer walls of the fixed square tubes 7 to form a second sealing structure. When the first sealing ring 2 fails, the second sealing rings 9 continue to provide waterproofing. A third sealing ring 10 is fixedly connected to one side of the inner wall of the multiple fixed square tubes 7. The third sealing ring 10 is set on one side of the inner wall of the fixed square tube 7 to fill the gaps inside the fixed square tube 7 and further prevent liquid from directly contacting the internal conductive components. A docking device 15 is slidably arranged on one side of the outer shell 1. The docking device 15 is used for docking the outer shell 1.

[0027] Example 2: A waterproof connector, see reference Figure 1 , Figure 4 and Figure 5A waterproof sheet 11 is fixedly connected to the surface of the insulating bracket 4. A slot 12 is provided inside one side of the outer shell 1. By fixing the waterproof sheet 11 to the surface of the insulating bracket 4, when the docking device 15 is inserted into the connector, the waterproof sheet 11 can be inserted into the docking device 15 to further prevent liquid from entering, forming a physical waterproof barrier and reducing the probability of liquid contact with metal parts. The slot 12 also ensures the accuracy of docking when the connector and the docking device 15 are assembled, preventing the sealing ring from failing due to misalignment. The outer shell 1 has slots 13 on both sides. 13, which allows the slot 13 to form a stable engagement with the snap-fit ​​structure on the docking device 15 when the connector is assembled with the docking device 15, preventing displacement between the connector and the docking device 15, avoiding loosening or separation under vibration, pulling and other usage scenarios, reducing signal or current transmission interruptions caused by unstable connection, and further improving the reliability and stability of the connector in various usage environments. Mounting plates 14 are fixedly connected to the bottom of both sides of the housing 1. Through the setting of mounting plates 14, the connector can be fixed by two mounting plates 14 to prevent the overall displacement or shaking of the connector, further improving the reliability of the connector in outdoor, vehicle and other scenarios that are susceptible to external forces.

[0028] Reference Figure 2 , Figure 4 and Figure 5 Multiple conductive pins 5 penetrate one end of the insulating bracket 4 and are fixedly connected to the connecting terminal 6. This connection forms a stable conductive path. When current or a signal passes through, the connecting terminal 6 receives the current or signal and transmits it to the conductive pins 5. All conductive pins 5 pass through through holes 3, allowing them to extend from one side of the outer shell 1. These extended conductive pins can be used to connect to external devices. Multiple connecting terminals 6 are fixedly installed inside the inner tube 8. This provides protection for the connecting terminals 6, preventing deformation or displacement due to external impacts or pressure during assembly or use. Multiple first sealing rings 2, second sealing rings 9, and third sealing rings 10 are made of fluororubber. The excellent elasticity and weather resistance of fluororubber ensure stable sealing pressure during use. Even with long-term use or exposure to harsh environments, it is not prone to hardening, aging, or deformation, further improving the connector's waterproof reliability and service life in complex environments.

[0029] The implementation principle of this application embodiment is as follows: When the connector is assembled with the docking device 15, the first sealing ring 2 on the inner wall of the housing 1 tightly fits the gap between the outer wall of the docking device 15 and the inner wall of the housing 1, forming the first waterproof barrier to prevent liquid from entering from the assembly point of the housing 1. At the same time, the second sealing ring 9 on the outer wall of the fixed square tube 7 fills the gap between the docking device 15 and the outer wall of the fixed square tube 7, forming the second seal. Even if the first sealing ring 2 fails, the waterproof effect can still be maintained. The third sealing ring 10 on the inner wall of the second sealing ring 9 further fills the gap between the docking device 15 and the inside of the fixed square tube 7, blocking the path of liquid to contact the internal conductive parts. The waterproof sheet 11 on the surface of the insulating bracket 4 extends into the interior of the docking device 15 when it is inserted, forming a physical barrier to reduce the contact between liquid and metal parts. The slot 12 on one side of the housing 1 cooperates with the docking device 15 to ensure accurate assembly and avoid the failure of the sealing ring due to misalignment. The slots 13 on both sides of the housing 1 engage with the buckles of the docking device 15 to prevent the connector from loosening during vibration and pulling, ensuring the continuous effectiveness of the sealing structure. The mounting plates 14 at the bottom of both sides firmly fix the connector. The conductive pin 5 is fixed by the insulating bracket 4. One end is fixed to the connecting terminal 6 in the inner tube 8 to form a stable conductive path, and the other end extends through the through hole 3 of the outer shell 1 to achieve conductive connection with external equipment. The first sealing ring 2, the second sealing ring 9, and the third sealing ring 10 are made of fluororubber. The good elasticity and weather resistance of fluororubber maintain a stable sealing pressure in long-term use and harsh environments, ensuring the continuous effectiveness of the waterproof structure. Through the synergistic effect of the first sealing ring 2, the second sealing ring 9, and the third sealing ring 10, the connector can prevent liquid from entering, improve the waterproof effect, prevent internal metal parts from short-circuiting or corroding due to liquid, and ensure the stable transmission of current and signals, thereby achieving reliable operation in complex environments.

Claims

1. A waterproof connector, comprising a housing (1), characterized in that: The inner wall of the outer shell (1) is fixedly connected with four first sealing rings (2) arranged in a linear array. The outer shell (1) has multiple through holes (3) arranged in a rectangular array on one side. The inner wall of the outer shell (1) is fixedly connected with an insulating bracket (4). The inner wall of the insulating bracket (4) is fixedly connected with multiple conductive pins (5) arranged in a rectangular array. The surface of the insulating bracket (4) is fixedly connected with multiple connecting terminals (6) arranged in a rectangular array and fixed square tubes (7). The inner wall of each of the multiple fixed square tubes (7) is fixedly connected with an inner tube (8). The outer wall of the multiple fixed square tubes (7) is fixedly connected with four second sealing rings (9) arranged in a linear array. The inner wall of the multiple fixed square tubes (7) is fixedly connected with a third sealing ring (10) on one side. The outer shell (1) is slidably provided with a docking device (15).

2. A waterproof connector according to claim 1, characterized in that: A waterproof sheet (11) is fixedly connected to the surface of the insulating bracket (4), and a slot (12) is provided inside one side of the outer shell (1).

3. A waterproof connector according to claim 1, characterized in that: The outer shell (1) has slots (13) on both sides.

4. A waterproof connector according to claim 1, characterized in that: Mounting plates (14) are fixedly connected to the bottom ends of both sides of the outer shell (1).

5. A waterproof connector according to claim 1, characterized in that: Multiple conductive pins (5) are fixedly connected to one end of the insulating bracket (4) and the connecting terminal (6).

6. A waterproof connector according to claim 1, characterized in that: Multiple conductive pins (5) are disposed through through holes (3).

7. A waterproof connector according to claim 1, characterized in that: Multiple of the connection terminals (6) are fixedly installed inside the inner tube (8).

8. A waterproof connector according to claim 1, characterized in that: The first sealing ring (2), the second sealing ring (9) and the third sealing ring (10) are all made of fluororubber.

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