Waterproof connector

Abstract

The utility model relates to the technical field of connectors, in particular to a waterproof connector. Comprising a female head, a male head and a waterproof cover, the female head is provided with a jack and a female head connecting assembly, the male head comprises a male head connecting assembly, the male head is inserted into the jack so that the male head connecting assembly can be electrically connected with the female head connecting assembly, the waterproof cover comprises an elastic guide part, a positioning part and a cover body, and the elastic guide part, the positioning part and the cover body are sequentially connected in the axial direction. The surface of the female head is axially provided with a guide channel, the elastic guide part is embedded in the guide channel and tightly attached to the surface of the female head, and the positioning part is embedded in the guide channel through the elastic guide part to obtain axial positioning and rotates in the circumferential direction of the surface of the female head, so that the cover body is matched with the insertion hole in an insertion mode. According to the structural design, the covering difficulty of the waterproof cover of the connector can be reduced, and the covering accuracy of the waterproof cover is improved, so that the waterproof operation efficiency is improved, and the waterproof performance is further improved.

Description

Technical Field

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

[0002] Connectors, as an indispensable component of modern electronic devices, are widely used in consumer electronics, industrial equipment, and automobiles. With the rapid development of portable and multifunctional electronic devices, connectors not only need to meet basic electrical connection functions but also require higher reliability and durability. Since connector sockets are often exposed to the air when not in use, they are susceptible to external water contamination, leading to connection failure and poor operational stability. Therefore, the waterproof performance of connectors is particularly important, directly affecting the stable operation and lifespan of the equipment. However, in practical applications, the waterproof design of connectors faces many challenges. Currently, waterproof connectors on the market typically consist of a plug and a socket. The socket has a jack; the plug is inserted into the socket to establish an electrical connection. To prevent water from entering the jack, a waterproof cover is usually installed on the connector socket to seal the jack, preventing water and dust from entering. Furthermore, a sealing ring is added between the plug and socket, utilizing the elastic deformation of the sealing ring to achieve a tight fit between the contact surfaces, thus improving the connector's waterproof performance. However, waterproof connectors on the market still have significant shortcomings in practical applications. For example, after prolonged use, frequent opening and closing of the waterproof cover can cause wear on the contact surface between the cover and the socket, making the cover prone to loosening. This is especially problematic in certain environments, such as when the connector is installed in a narrow space like a vehicle chassis, inside equipment, or embedded in a wall, or in working environments at night, in underground garages, or without lighting. In these situations, users may find it difficult to visually confirm the relative position of the cover and the socket and may have to rely on touch to close the cover. However, existing waterproof connectors struggle to achieve precise closure between the cover and the socket, significantly increasing the difficulty of closure. Users often need to perform multiple blind closure attempts by touch, which can easily cause wear on the contact surface between the cover and the socket, leading to seal failure, reduced waterproofing, and impacting user experience and long-term product reliability. Utility Model Content

[0003] In order to reduce the difficulty of fitting the waterproof cover of the connector, improve the fitting accuracy of the waterproof cover, thereby improving the efficiency of waterproof operation and improving waterproof performance, this application provides a waterproof connector.

[0004] A waterproof connector includes a female connector and a male connector. The female connector has a socket and a female connector assembly. The male connector includes a male connector assembly. The male connector is inserted into the socket to electrically connect the male connector assembly to the female connector assembly. The connector also includes a waterproof cover, which comprises an elastic guide portion, a positioning portion, and a cover body, all connected sequentially along an axial direction. The female connector has an axially formed guide channel on its surface. The elastic guide portion is embedded in the guide channel and closely adheres to the surface of the female connector. The positioning portion is axially positioned by the elastic guide portion fitting into the guide channel and rotates circumferentially along the surface of the female connector to allow the cover body to engage with the socket. By adopting this technical solution, the waterproof connector achieves axial positioning by providing a guide channel in the female connector and embedding the elastic guide portion of the waterproof cover in the guide channel, allowing the waterproof cover to move closely along the surface of the female connector. Simultaneously, the design of the positioning portion assists the waterproof cover in stable circumferential rotation along the surface of the female connector, further ensuring that the cover body can accurately align with the socket and achieve a proper engagement. This structure effectively solves the problems of difficult sealing and wear on contact surfaces caused by blind sealing operations in existing technologies, improving the sealing reliability between the waterproof cover and the socket, and enhancing the connector's waterproof performance and long-term stability. Specifically, when waterproof sealing of the socket is required, the user can first press the connection between the elastic guide and the female connector, and then push it along the guide channel axially set along the socket direction on the surface of the female connector, so that the elastic guide is tightly fitted into the guide channel and in close contact with the surface of the female connector. Since the elastic guide is connected to the positioning part, after the elastic guide is firmly fitted, the positioning part can rotate circumferentially along the surface of the female connector with the elastic guide as the fulcrum. During the rotation, the positioning part drives the cover to move until the cover is precisely aligned with the socket, thereby achieving a fast and accurate sealing operation. Preferably, the positioning part includes a positioning area, a pressing area, and a limiting area, which are connected in sequence. The positioning area is connected to the elastic guide part, and the limiting area is connected to the cover. Pressing the pressing area causes the limiting area to be vertically positioned directly above the insertion hole, so that the cover is aligned with the insertion hole. By adopting the above technical solution, the positioning part is composed of three parts connected in sequence: a positioning area, a pressing area, and a limiting area. This structural design enables the waterproof cover to have precise guiding and positioning functions during use. When the user needs to insert the cover into the insertion hole, applying external force to the pressing area can cause the limiting area to change position, so that the limiting area is ultimately vertically positioned directly above the insertion hole, thereby ensuring that the cover connected to the limiting area can be accurately aligned with the insertion hole. This design not only improves the fitting accuracy between the waterproof cover and the insertion hole, but also effectively reduces the wear problem of the contact surface caused by multiple blind capping attempts, improving the sealing performance and long-term reliability of the waterproof connector. In addition, the connection between the positioning area and the elastic guide provides a fulcrum for the circumferential rotation of the positioning part, further improving the accuracy of the waterproof cover's closing.Preferably, the positioning area, the pressing area, and the limiting area form a "U"-shaped structure. By adopting the above technical solution, the positioning area, pressing area, and limiting area form a "U"-shaped structure, which effectively improves the ease of use and positioning accuracy of the waterproof cover. In actual operation, the user presses the pressing area until it is parallel to the surface of the female head, causing the limiting area to change position and ultimately be vertically positioned directly above the insertion hole, thus achieving the purpose of aligning the cover with the insertion hole. The "U"-shaped structure concentrates the elastic force of the limiting area mainly in the vertical direction. When the cover is closed, the final state of the limiting area is vertical, reducing the axial force on the cover and further limiting the tendency of the cover to loosen, thereby enhancing the waterproof performance and overall reliability of the connector. Preferably, the connector also includes a waterproof ring, which is fitted onto the outer surface of the female head and abuts against the elastic guide portion. By adopting the above technical solution, the waterproof ring fitted onto the outer surface of the female head and abuts against the elastic guide portion provides an additional sealing effect during the insertion of the waterproof cover into the insertion hole. Specifically, when the elastic guide portion of the waterproof cap is embedded in the guide channel of the female connector, the waterproof ring and the elastic guide portion are in close contact, forming a physical barrier between them. This effectively prevents external water from entering the socket through the gap between the elastic guide portion and the female connector. Furthermore, existing waterproof caps are prone to detaching from the female connector, but this application, due to the installation design of the waterproof ring and the elastic guide portion, further enhances the connection stability of the elastic guide portion. Even if the connection between the elastic guide portion and the female connector loosens after long-term use, the waterproof cap can serve as a second line of defense, extending its service life. Preferably, the elastic guide portion is a flat rectangular parallelepiped structure. By adopting the above technical solution, the guide portion is designed as a flat rectangular parallelepiped structure, which significantly improves its embedding stability within the guide channel. Specifically, the flat rectangular parallelepiped structure has a larger contact area with the guide channel, resulting in a tighter fit on the surface of the female connector and better limiting the radial displacement of the cap. This design not only helps reduce the shaking of the waterproof cap during insertion or rotation but also ensures more accurate axial positioning of the positioning part. Furthermore, due to the clearly defined guide contour of the flat rectangular structure, users can easily determine the insertion direction of the waterproof cap by touch during operation, especially in narrow or low-light environments, effectively reducing the difficulty of capping and improving operational efficiency. Ultimately, this design significantly enhances the sealing reliability between the waterproof cap and the socket, extending the connector's service life. Preferably, the cap ring is provided with at least one elastic protrusion, which abuts against the inner wall of the socket to achieve a seal. By adopting the above technical solution, the elastic protrusion on the cap can make close contact with the inner wall of the socket when inserted into it. Because the elastic protrusion has a certain elastic deformation capacity, it will deform when squeezed by the inner wall of the socket, thereby generating a reaction force, making the elastic protrusion more firmly attached to the inner wall of the socket.This design not only effectively fills the tiny gap between the cover and the socket, but also adapts to any irregular shapes that may exist on the inner wall of the socket, ensuring the stability of the sealing performance. Therefore, this structure significantly improves the sealing effect of the waterproof connector, preventing moisture and dust from entering the socket and enhancing the overall reliability of the connector. Preferably, the connector further includes a locking structure, which comprises a snap-fit, a locking block, and a hinge seat. The snap-fit ​​is disposed on the surface of the female connector, the hinge seat is disposed on the male connector, and the locking block is rotatably disposed on the surface of the male connector by hinge to the hinge seat. The locking block has a hook that engages with the snap-fit. By adopting the above technical solution, the locking structure effectively improves the connection stability between the male and female connectors. Specifically, the snap-fit ​​is located on the surface of the female connector, the hinge seat is disposed on the male connector, and the locking block is rotatably disposed by hinge to the hinge seat. When the male connector is inserted into the female connector, rotating the locking block causes its hook to engage with the snap-fit ​​on the surface of the female connector, thereby achieving a secure connection between the male and female connectors. This design not only prevents connection loosening due to external vibration or pulling, but also enhances the overall reliability of the connector through mechanical locking. Furthermore, the locking process is simple to operate, requiring only the rotation of the locking block, improving ease of use. The hinged connector has high connection stability, is less prone to breakage during long-term use, and extends its service life. Preferably, the female connector has four radially arranged limiting grooves. The female connector connection assembly includes two main pins and two auxiliary pins, each disposed on the female connector. The two main pins are respectively accommodated in the limiting grooves on both sides of the female connector, and the two auxiliary pins are arranged radially side-by-side between the two main pins, and are respectively accommodated in the two limiting grooves in the middle of the female connector. By adopting the above technical solution, the female connector has four radially arranged limiting grooves, making the internal structure of the female connector more regular and facilitating the orderly layout of the main and auxiliary pins. The two main pins are respectively accommodated in the limiting grooves on both sides of the female connector, ensuring the stable fixation of the main pins in the female connector, while reserving sufficient space for the auxiliary pins. Two auxiliary pins are arranged radially side-by-side between two main pins and are respectively accommodated in two limiting slots in the middle of the female connector. This layout not only improves space utilization but also ensures the balance of signal transmission. Preferably, the female connector has three limiting slots arranged radially in sequence. The female connector connecting assembly includes two main pins, three auxiliary pins, and a limiting piece, all disposed on the female connector. The two main pins are respectively accommodated in the limiting slots on both sides of the female connector. The three auxiliary pins are arranged vertically side-by-side between the two main pins and are all accommodated in the limiting slot in the middle of the female connector. A mounting slot is provided in the middle of the female connector, and the limiting piece is mounted in the mounting slot, separating the three auxiliary pins. By adopting the above technical solution, the female connector has three limiting slots arranged radially in sequence, making the internal structure of the female connector more compact and orderly.Two main pins are housed in limiting slots on either side of the female connector, ensuring stable positioning of the main pins within the connector and preventing poor contact due to positional misalignment. Three secondary pins are arranged vertically side-by-side between the two main pins and are also housed in the limiting slot in the center of the female connector. This layout not only improves space utilization but also ensures a reasonable distribution of the secondary pins, reducing the possibility of signal interference. A mounting slot in the center of the female connector is used to install a limiting plate, which separates the three secondary pins. This not only provides stable support for the secondary pins but also further enhances the electrical isolation between them, improving the connector's reliability and stability. This design, through the rational arrangement of the positions and functions of each component, effectively improves the overall performance of the connector and meets the needs of use in complex environments. Preferably, the female connector has four radially arranged limiting grooves. The female connector connecting assembly includes two main pins, six auxiliary pins, and a limiting piece, each disposed on the female connector. The two main pins are respectively accommodated in the limiting grooves on both sides of the female connector. The six auxiliary pins are divided into two groups of three, with each group of three auxiliary pins arranged vertically side by side between the two main pins and respectively accommodated in the two limiting grooves in the middle of the female connector. A mounting groove is provided in the middle of the female connector, and the limiting piece is installed in the mounting groove, thus separating the three auxiliary pins in each group. By adopting the above technical solution, the female connector has four radially arranged limiting grooves, with the two main pins respectively accommodated in the limiting grooves on both sides of the female connector, and the six auxiliary pins divided into two groups of three, each accommodated in the two limiting grooves in the middle of the female connector. This layout not only achieves a reasonable allocation of space between the main pins and auxiliary pins but also fixes and positions each pin through the limiting grooves, effectively preventing the pins from shifting or misaligning during insertion and removal. Meanwhile, a mounting groove is provided in the middle of the female connector, and a limiting piece is installed in the mounting groove. The limiting piece separates the three sub-pins of each group, which not only facilitates stable support for all six sub-pins simultaneously, but also further improves the electrical isolation performance between the six sub-pins, avoiding signal transmission instability caused by poor contact or short circuits between the sub-pins. Therefore, this design significantly improves the reliability and signal transmission quality of the connector.

[0005] In summary, this application includes at least one of the following beneficial technical effects:

[0006] 1. By providing a guide channel on the surface of the female connector and an elastic guide on the waterproof cap, the elastic guide will embed into the guide channel and fit tightly against the surface of the female connector when the user installs the waterproof cap onto the female connector. This design provides clear axial positioning for the waterproof cap, guiding it to accurately align with the socket position even in narrow areas or low-light conditions, effectively improving the capping efficiency and reducing wear on the contact surface caused by repeated blind capping attempts;

[0007] 2. The positioning design of the waterproof cover allows it to rotate circumferentially along the surface of the female connector. This feature, combined with the interlocking relationship between the elastic guide and the guide channel, ensures that the waterproof cover maintains a stable positional constraint during rotation. Ultimately, when the cover body is inserted into the socket, a tighter fit is achieved, thereby improving the connector's waterproof performance and long-term reliability.

[0008] 3. The elastic protrusions on the cover will make tight contact with the inner wall of the socket after insertion. Because the elastic protrusions have a certain deformation capacity, they can form an effective sealing barrier in sockets with different dimensional tolerances, further enhancing the waterproof and dustproof effect and ensuring the stable operation of the connector in complex environments. Attached Figure Description

[0009] Figure 1 This is an exploded view of the waterproof connector in Example 1;

[0010] Figure 2 This is a schematic diagram of the female connector of the waterproof connector in Example 1;

[0011] Figure 3 This is a schematic diagram of the limiting piece of the waterproof connector in Example 1;

[0012] Figure 4 This is a side view of the female connector of the waterproof connector in Embodiment 1;

[0013] Figure 5 This is a schematic diagram of the waterproof connector structure in Example 2;

[0014] Figure 6 This is a schematic diagram of the waterproof connector structure in Example 3.

[0015] Explanation of reference numerals in the attached drawings: 1. Female connector; 2. Male connector; 3. Waterproof ring; 4. Waterproof cover; 5. Locking structure; 11. Insertion hole; 12. Female connector connection assembly; 13. Limiting groove; 14. Mounting groove; 15. Guide channel; 21. Insertion part; 22. Male connector connection assembly; 23. Sealing ring; 41. Elastic guide part; 42. Positioning part; 43. Cover body; 51. Buckle; 52. Locking block; 53. Hinge seat; 53a. Hook; 121. Main pin; 122. Secondary pin; 123. Limiting piece; 123a. Isolation part; 123b. Handheld part; 221. Main cable tube; 222. Secondary cable tube; 421. Positioning area; 422. Pressing area; 423. Limiting area; 431. Elastic protrusion. Detailed Implementation

[0016] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0017] Example 1 This application provides a waterproof connector, referring to... Figure 1 and Figure 2 The device includes a female connector 1, a male connector 2, a waterproof ring 3, a waterproof cap 4, and a locking structure 5. The female connector 1 has a socket 11 and a female connector connection assembly 12. The waterproof cap 4 is installed on the outer surface of the female connector 1 to seal the socket 11. The waterproof ring 3 is fitted onto the outer surface of the female connector 1 to strengthen the connection between the waterproof cap 4 and the female connector 1. The male connector 2 includes a plug portion 21 and a male connector connection assembly 22. After the plug portion 21 of the male connector 2 is inserted into the socket 11, the male connector connection assembly 22 cooperates with the female connector connection assembly 12 to achieve electrical connection. The locking structure 5 enhances the connection stability between the female connector 1 and the male connector 2. In this embodiment, both the female connector 1 and the male connector 2 use waterproof outer shells.

[0018] Specifically, the female connector assembly 12 in this embodiment mainly consists of two main pins 121, three auxiliary pins 122, and a limiting piece 123. Three limiting grooves 13 are arranged radially at the end of the female connector 1 furthest from the socket 11. The two main pins 121 are used to connect to the positive and negative terminals of the power supply, respectively. The two main pins 121 are respectively accommodated in the two limiting grooves 13 located at the two ends of the female connector 1. The limiting groove 13 in the middle of the female connector 1 simultaneously accommodates the three auxiliary pins 122. In particular, the three auxiliary pins 122 are arranged vertically in the same limiting groove 13, and the three auxiliary pins 122 are spaced apart from each other. A mounting groove 14 is provided on the female connector 1 corresponding to the position of the middle limiting groove 13. The limiting piece 123 mainly consists of an isolation portion 123a for effectively separating the three auxiliary pins 122 and a handle portion 123b for easy handling of the limiting piece 123. The isolation portion 123a has an "E" shaped structure. Figure 3 The three protruding parts of the "E"-shaped structure are effectively separated by inserting them into the gaps between the three secondary pins 122 through the handle 123b. This design enables better signal transmission and functional expansion. Correspondingly, the male connector assembly 22 of this embodiment includes two main tubes 221 and one secondary tube 222. The two main tubes 221 are arranged one-to-one with the two main pins 121 to achieve electrical connection, and the two secondary pins 122 are connected to the secondary tubes 222. Furthermore, a sealing ring 23 is provided on the surface of the plug-in part 21 in this embodiment. When the plug-in part 21 of the male connector is inserted into the socket 11, the sealing ring 23 abuts against the female connector 1 to form a good seal.

[0019] Reference Figure 4Specifically, the waterproof cover 4 in this embodiment consists of an elastic guide part 41, a positioning part 42, and a cover body 43, which are connected sequentially along the direction of the insertion hole 11. A guide channel 15 is axially provided on the surface of the female head 1. The elastic guide part 41 is embedded in the guide channel 15 and closely adheres to the bottom surface of the guide channel 15. The positioning part 42 achieves axial positioning through the elastic guide part 41 fitting into the guide channel 15 and can rotate circumferentially along the surface of the female head 1, allowing the cover body 43 to be inserted into the insertion hole 11. This achieves precise positioning and stable insertion through optimized structure of the waterproof cover 4. A tight fit is formed between the elastic guide part 41 and the guide channel 15. The friction generated by elastic deformation effectively prevents the waterproof cover 4 from loosening when not subjected to external force. In this embodiment, a "T"-shaped groove is provided at one end of the guide channel 15, and a "T"-shaped protrusion is provided at the free end of the corresponding elastic guide part 41. The "T"-shaped protrusion is embedded in the "T"-shaped groove to form a fit and achieve fastening. In particular, the waterproof ring 3 abuts against the surface of the elastic guide part 41 near the "T"-shaped protrusion to achieve a more stable fastening effect.

[0020] The elastic guide portion 41 is designed as a flat cuboid structure. This structure provides a certain degree of elastic deformation when embedded in the guide channel 15, ensuring that the elastic guide portion 41 will not easily fall off during the embedding process, thereby enhancing the stability of the cover 43 when closed. The elastic guide portion 41 can be made of materials with elasticity and wear resistance, such as silicone or rubber. For example, the elastic guide portion 41 made of silicone has good high temperature resistance and corrosion resistance, while the rubber material is more suitable for use in low temperature environments to ensure good elasticity under different environmental conditions. Specifically, the positioning portion 42 in this embodiment is integrally formed and includes a positioning area 421, a pressing area 422, and a limiting area 423, which are connected in sequence and surround to form an inverted "U" shaped structure. The positioning area 421 is connected to the elastic guide portion 41, and the limiting area 423 is connected to the cover 43. Since the positioning area 421 and the pressing area 422, as well as the pressing area 422 and the limiting area 423, are both vertically arranged, this vertical structure ensures accurate positioning and prevents deviation. Furthermore, the pressing area 422 is suspended above the surface of the female head 1, providing the user with a reasonable pressing position. When the pressing area 422 is horizontal to the surface of the female head 1, the limiting area 423 is perpendicular to the surface of the female head 1, and the final position of the limiting area 423 is directly above the end face of the insertion hole 11. The sealing surface of the cover 43 is parallel to the limiting part, allowing the cover 43 to be directly aligned with the insertion hole 11, further improving the accuracy of the closing. In this embodiment, the length of the positioning part 42 is 1 / 3 of the length of the elastic guide part 41, thus making the elastic guide part 41 more elastic and easier to guide, while the positioning part 42 has a weaker elastic deformation capacity, providing support for the hand and preventing the cover 43 from easily shaking. It is worth mentioning that the synergistic effect of the positioning area 421, pressing area 422, and limiting area 423 in this embodiment is reflected in the following: the positioning area 421 is responsible for connecting with the elastic guide part 41 and providing axial positioning, and providing a force point for circumferential rotation; the pressing area 422 serves as the main force point for user operation, and the pressing action adjusts the limiting area 423 to a vertical state, thereby guiding the cover 43 to align with the socket 11. This design is particularly effective in environments without lighting or in narrow spaces. Users can quickly and accurately insert the cover 43 into the socket 11 by hand, without repeated attempts, greatly improving operational efficiency and reducing wear on the contact surface. Specifically, the part of the cover 43 that inserts into the socket 11 is provided with two elastic protrusions 431. When the cover 43 is inserted into the socket 11, the elastic protrusions 431 are press-fitted with the inner wall of the socket 11, further improving the waterproof performance. Furthermore, the cover 43 can be designed to be cylindrical or square to match the socket 11. The specific shape can be adjusted according to actual needs. In this embodiment, both the cover 43 and the socket 11 are square. The material of the cover 43 can be a material with a certain degree of elasticity, such as silicone or soft plastic, so that it can fit tightly to the socket 11 during the insertion process.Specifically, in this embodiment, in order to further improve the reliability and ease of operation of the waterproof connector, a locking structure 5 is also designed. The locking structure 5 and the elastic guide part 41 of the waterproof cover 4 are respectively set on the opposite side of the female head 1. The locking structure 5 includes a buckle 51, a locking block 52 and a hinge seat 53. The buckle 51 is fixedly set on the surface of the female head 1, and the hinge seat 53 is fixedly set on the surface of the male head 2. The locking block 52 is hinged to the hinge seat 53 so that the locking block 52 can rotate. The locking block 52 is provided with a hook 53a that locks with the buckle 51. When the male head 2 is inserted into the female head 1, pressing the end of the locking block 52 away from the female head 1 causes the end of the locking block 52 near the female head 1 to lift up, thereby locking the hook 53a and the buckle 51 together, achieving a firm connection between the male head 2 and the female head 1, preventing the male head 2 from loosening due to external vibration or pulling. Furthermore, the flexible hinged connection between the hinge seat 53 and the locking block 52 ensures the structural strength of the locking block 52, reduces the possibility of the locking block 52 breaking, and extends its service life. The implementation principle of this embodiment is as follows: Three limiting grooves 13 are radially opened sequentially at the end of the female head 1 away from the socket 11. Two main pins 121 are placed in the limiting grooves 13 at both ends of the female head 1 to connect the positive and negative terminals of the power supply. Three auxiliary pins 122 are arranged vertically at intervals in the middle limiting groove 13. An "E"-shaped isolation part 123a is inserted through the gap between the auxiliary pins 122 to separate them and a limiting piece 123 with a handle part 123b is installed. At the same time, a guide channel 15 is axially opened on the surface of the female head 1, with a "T"-shaped groove at one end. The waterproof cover 4 is composed of an elastic guide part 41, a positioning part 42, and a cover body 43 connected sequentially. The elastic guide part 41 is provided with a "T"-shaped protrusion and is made into a flat rectangular structure, using materials such as silicone or rubber. The positioning part 42 is integrally formed and includes a positioning area 421 and a pressing area. 422, the limiting area 423 is formed into an inverted "U" shape, the elastic guide part 41 is embedded into the guide channel 15 and the "T" shaped protrusion and the "T" shaped groove are matched, the waterproof ring 3 abuts against the surface of the elastic guide part 41 to achieve fastening, the part of the cover 43 inserted into the socket 11 is provided with an elastic protrusion 431 and the material is selected as silicone or soft plastic; the male head 2 includes a plug part 21 and is equipped with a male head connection assembly 22 containing two main tubes 221 and one auxiliary tube 222. The two main tubes 221 correspond to the main pins 121 and the auxiliary tubes 222 are connected to the auxiliary pins 122; finally, the locking structure 5 is assembled, the buckle 51 is fixed on the surface of the female head 1 and the hinge seat 53 is fixed on the surface of the male head 2, and the locking block 52 with hook 53a is hinged to the hinge seat 53 to realize the electrical connection after the plug part 21 of the male head 2 is inserted into the socket 11 of the female head 1. The principle of the waterproof cover 4 is as follows: First, press the connection between the elastic guide part 41 and the female head 1 with your hand, and then push it along the guide channel 15 axially arranged in the direction of the insertion hole 11 on the surface of the female head 1 so that the elastic guide part 41 is tightly fitted in the guide channel 15 and closely attached to the surface of the female head 1.Since the elastic guide part 41 is connected to the positioning part 42, after the elastic guide part 41 is firmly engaged, the positioning part 42 can rotate circumferentially along the surface of the female head 1 using the elastic guide part 41 as a fulcrum. During the rotation, the positioning part 42 drives the cover 43 to move until the cover 43 is precisely aligned with the insertion hole 11, thereby achieving a fast and accurate closing operation. Example 2 The difference between this example and the above example is that, with reference to... Figure 5 The female connector assembly 12 has six secondary pins 122 and four limiting slots 13. The six secondary pins 122 are divided into two groups of three, with both groups arranged vertically side by side. There is a gap between each group of three secondary pins 122, and there is also a gap between the two groups of secondary pins 122. The two groups of secondary pins 122 correspond one-to-one, so that the six secondary pins 122 do not contact each other. The two groups of secondary pins 122 are respectively accommodated in the two limiting slots 13 in the middle of the female connector 1. The three protruding parts of the "E"-shaped structure are inserted from the gaps between the three secondary pins 122 of each group to achieve effective separation. Correspondingly, all six secondary pins 122 are connected to the secondary conduit 222 of the male connector 2. The implementation principle of this embodiment is as follows: Compared with Embodiment 1, the number of secondary pins 122 is increased, opening up more channels for signal transmission. It can process multiple data simultaneously, significantly improving data transmission efficiency and real-time performance. It also gives the connector powerful functional expandability, making it easy to flexibly define functions as needed and reducing system upgrade costs. The grouped spacing layout combined with the "E"-shaped limiting piece 123 greatly reduces electromagnetic interference between pins, ensuring accurate and stable signal transmission and strengthening insulation performance. Its advantages are fully demonstrated in complex electromagnetic and high safety requirements scenarios. The clear grouping and modular design enable quick and accurate connection during installation and precise location of faulty pin groups during maintenance, effectively shortening installation time, reducing maintenance costs, reducing equipment downtime, and improving system reliability and availability.

[0021] Example 3

[0022] The difference between this embodiment and the above embodiments is that, referring to... Figure 6 The female connector assembly 12 has two auxiliary pins 122 and four limiting slots 13, but no limiting piece 123. The two auxiliary pins 122 are arranged radially side by side and are respectively accommodated in the two limiting slots 13 in the middle of the female connector 1. Correspondingly, both auxiliary pins 122 are connected to the auxiliary conduit 222 of the male connector 2. The implementation principle of this embodiment is as follows: the female connector assembly 12 is designed to be simple and efficient, with only two auxiliary pins 122 and four limiting slots 13, and no limiting piece 123 is required. The two auxiliary pins 122 are arranged radially side by side in the two limiting slots 13 in the middle of the female connector 1 and are connected to the auxiliary conduit 222 of the male connector 2. This significantly reduces the number of parts, simplifies the manufacturing process, reduces costs and production complexity, and can reliably meet basic electrical connection requirements, combining practicality and economy.

[0023] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A waterproof connector, comprising a female connector (1) and a male connector (2), wherein the female connector (1) is provided with a socket (11) and a female connector connection assembly (12), and the male connector (2) includes a male connector connection assembly (21), wherein the male connector (2) is inserted into the socket (11) to electrically connect the male connector connection assembly (21) to the female connector connection assembly (12), characterized in that, It also includes a waterproof cover (4), which includes an elastic guide (41), a positioning part (42) and a cover body (43), and the three are connected in sequence along the axial direction. The surface of the female head (1) is provided with a guide channel (15) along the axial direction. The elastic guide (41) is embedded in the guide channel (15) and is in close contact with the surface of the female head (1). The positioning part (42) is axially positioned by the elastic guide (41) being embedded in the guide channel (15) and rotates circumferentially along the surface of the female head (1) so that the cover body (43) is inserted into the socket (11).

2. The waterproof connector according to claim 1, characterized by The positioning part (42) includes a positioning area (421), a pressing area (422), and a limiting area (423), which are connected in sequence. The positioning area (421) is connected to the elastic guide part (41), and the limiting area (423) is connected to the cover (43). Pressing the pressing area (422) makes the limiting area (423) vertically positioned directly above the insertion hole (11), so that the cover (43) is aligned with the insertion hole (11).

3. The waterproof connector according to claim 2, characterized by The positioning area (421), the pressing area (422), and the limiting area (423) are arranged to form a "U"-shaped structure.

4. The waterproof connector according to claim 1, characterized by, The connector also includes a waterproof ring (3), which is fitted onto the outer surface of the female head (1) and abuts against the elastic guide portion (41).

5. The waterproof connector according to claim 1, characterized by, The elastic guide part (41) has a flat rectangular parallelepiped structure.

6. The waterproof connector according to claim 1, characterized by The cover (43) is provided with at least one elastic protrusion (431), which abuts against the inner wall of the insertion hole (11) to achieve a seal.

7. The waterproof connector according to claim 1, characterized by The connector further includes a locking structure (5), which includes a snap (51), a locking block (52), and a hinge seat (53). The snap (51) is disposed on the surface of the female connector (1), and the hinge seat (53) is disposed on the male connector (2). The locking block (52) is rotatably disposed on the surface of the male connector (2) by hinge with the hinge seat (53). The locking block (52) is provided with a hook (53a) that engages with the snap (51).

8. The waterproof connector according to claim 1, characterized in that, The female head (1) is provided with four limiting grooves (13) in a radial sequence. The female head connecting assembly (12) includes two main pins (121) and two auxiliary pins (122) both provided on the female head (1). The two main pins (121) are respectively accommodated in the limiting grooves (13) on both sides of the female head (1). The two auxiliary pins (122) are arranged in a radial parallel arrangement between the two main pins (121) and are respectively accommodated in the two limiting grooves (13) in the middle of the female head (1).

9. The waterproof connector according to claim 1, characterized by, The female head (1) is provided with three limiting grooves (13) in a radial sequence. The female head connecting assembly (12) includes two main pins (121), three auxiliary pins (122) and a limiting piece (123) all provided on the female head (1). The two main pins (121) are respectively accommodated in the limiting grooves (13) on both sides of the female head (1). The three auxiliary pins (122) are arranged side by side in the vertical direction between the two main pins (121) and are all accommodated in the limiting groove (13) in the middle of the female head (1). The female head (1) is provided with an installation groove (14) in the middle. The limiting piece (123) is installed in the installation groove (14) and separates the three auxiliary pins (122).

10. The waterproof connector according to claim 1, characterized by, The female head (1) is provided with four limiting grooves (13) in a radial sequence. The female head connecting assembly (12) includes two main pins (121), six auxiliary pins (122) and a limiting piece (123) all provided on the female head (1). The two main pins (121) are respectively accommodated in the limiting grooves (13) on both sides of the female head (1). The six auxiliary pins (122) are divided into two groups of three auxiliary pins (122). The two groups of auxiliary pins (122) are arranged side by side in the vertical direction between the two main pins (121) and are respectively accommodated in the two limiting grooves (13) in the middle of the female head (1). The female head (1) is provided with an installation groove (14). The limiting piece (123) is installed in the installation groove (14) to separate the three auxiliary pins (122) in each group.

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