A waterproof connector

Abstract

The utility model discloses a waterproof connector, including male head and female head. Male head includes insulating rubber core subassembly, male terminal, male head nut no. One and shell subassembly, wherein insulating rubber core subassembly is constituted by male head rubber core no. One is nested in male head rubber core no. Two, and male terminal is fixed in male head rubber core no. One, male head still includes the metal sleeve of setting up on the wire and male head nut no. Two, and the metal sleeve is fastened and is connected with male head rubber core no. Two through nut no. Two, and the rotation limiting structure is established between both, realizes the rotation of metal sleeve relative to male head rubber core no. Two, and shell subassembly is the male head outer membrane of covering above -mentioned structure. Female head includes female head insulating rubber core, female terminal and female head fastener, and female terminal is fixed in female head insulating rubber core, and female head fastener is externally covered, and female head fastener inner tooth and male head nut no. One outer tooth adapt and form the thread connection of screwing. The utility model discloses technical scheme through rotation limiting and multilayer sealing system, and the environmental adaptability, installation flexibility and use reliability of connector are promoted.

Description

Technical Field

[0001] This utility model relates to the field of electrical connector technology, and more specifically, to a waterproof connector. Background Technology

[0002] Connectors, as a fundamental component for achieving electrical connections, are widely used in various electronic and electrical devices due to their standardized interfaces and convenient installation characteristics. By employing connectors, engineers can easily implement modular design for equipment, dividing the entire device into several functional modules, with each module quickly connecting to the motherboard via connectors. This design concept can significantly shorten the equipment's research and development and production cycle, and improve production efficiency.

[0003] With continuous technological advancements, electronic devices are becoming increasingly complex, and their operating environments are becoming more demanding. Take the energy storage system of an electric ship as an example: its power comes from an energy storage cabinet composed of multiple battery packs. These battery packs need to transmit hundreds of amperes of high-voltage current and low-voltage signals for the battery management system (BMS) simultaneously via connectors. The stable operation of the entire system depends on the coordinated work of each battery pack; failure at any connection point can lead to power interruption and serious consequences. However, ships operate in harsh environments with high temperatures, high humidity, and continuous vibration and rolling, placing extremely high demands on the reliability of connectors, especially their sealing performance and mechanical durability.

[0004] Many existing connectors face several common structural problems. First, their sealing performance is often insufficient to withstand prolonged, multi-directional liquid impact and immersion, posing a risk of water and oil leakage. Second, traditional connectors have a fixed wire exit direction at the tail, making it difficult to flexibly adjust according to wiring space during field installation, causing inconvenience and potentially leading to wire fatigue and breakage due to excessive bending angles or long-term torsional stress. Furthermore, in vibration environments, the reliability of terminal fixation, the stability of male and female connector mating, and the anti-mismating function directly affect the long-term stable operation of the entire connection system. Therefore, there is a need to develop a new connector solution that can comprehensively address these challenges. Utility Model Content

[0005] In view of the above-mentioned technical problems in related technologies, this utility model proposes a waterproof connector that can overcome the above-mentioned shortcomings of the prior art.

[0006] To achieve the above-mentioned technical objectives, the technical solution of this utility model is implemented as follows: A waterproof connector; The waterproof connector includes a male head and a female head. The male head includes a male head insulating core assembly, a male terminal, a male head nut, and a male head housing. The male head insulating core assembly includes a male head core one and a male head core two. The male head core is housed within the male head core two, and the male terminal is fixedly disposed within the male head core one. The male connector also includes a metal sleeve disposed on the outer ring of the wire and a male nut 2. The male nut 2 securely connects the metal sleeve to the male connector core 2, and a rotation limiting structure is provided between the metal sleeve and the male connector core 2, so that the metal sleeve can rotate relative to the male connector core 2; the male connector outer shell includes a male connector outer film covering the outside of the male connector insulating core assembly, the male nut 2 and the metal sleeve; The female connector includes a female connector insulating core, a female terminal, and a female connector fastener. The female terminal is fixedly disposed inside the female connector insulating core, and the female connector fastener is sleeved on the outside of the female connector insulating core. The female connector fastener has internal threads, and the male connector nut has external threads. The internal threads of the female connector fastener and the external threads of the male connector nut are adapted to form a threaded connection when the male connector and the female connector are inserted.

[0007] Furthermore, the rotation limiting structure includes a male head rubber core two slide groove disposed on the male head rubber core two and a metal sleeve limiting post disposed on the metal sleeve and extending into the slide groove, and the end of the male head rubber core two slide groove is provided with a slide groove limiting block for limiting the movement stroke of the metal sleeve limiting post.

[0008] Furthermore, the central angle corresponding to the trajectory of the second sliding groove of the male rubber core is 350 degrees to 360 degrees.

[0009] Furthermore, the mating surfaces of the male rubber core one and the male rubber core two are respectively provided with anti-misalignment ribs of male rubber core one and anti-misalignment grooves of male rubber core two that cooperate with each other.

[0010] Furthermore, after the first male connector core and the second male connector core are connected, a potting cavity is formed at the tail of the second male connector core. The potting cavity is filled with male connector glue, which fixes the tail of the male terminal, the first male connector core, the second male connector core, and the end of the wire into one unit.

[0011] Furthermore, the metal sleeve has a metal sleeve injection hole, and the injection molding material of the male head outer film is filled into the metal sleeve injection hole.

[0012] Furthermore, the female head also includes a second female cover and a third female head sealing ring. The second female cover is threaded into the female head fastener and presses the third female head sealing ring against the tail of the female head insulating core.

[0013] Furthermore, the tail of the female connector is sealed with female connector adhesive, which fixes the female connector fastener, female connector insulating core, female terminal and the end of the wire into one unit.

[0014] Furthermore, the female head also includes a female head sealing ring four and a female head nut. The female head sealing ring four is sleeved in the sealing ring groove outside the female head fastener. The female head nut is threaded to the tail of the female head fastener and is used to press the female head sealing ring four when installed through the wall.

[0015] Furthermore, the male connector core is provided with a male connector core anti-misalignment block and / or an interlocking direction identification groove, and the female connector insulating core is provided with a female connector core anti-misalignment groove that cooperates with the interlocking anti-misalignment block.

[0016] The beneficial effects of this utility model are as follows: by integrating an innovative rotation limiting structure and a multi-layer sealing system, and optimizing the fixing and docking methods of internal components, the connector can have excellent sealing performance and mechanical reliability in harsh environments. At the same time, the wire can rotate flexibly within a large angle range to adapt to complex installation scenarios, thereby achieving the comprehensive goals of improving installation convenience, ensuring stable signal transmission, and extending product life. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is an exploded three-dimensional view of the overall structure of a waterproof connector according to an embodiment of the present utility model; Figure 2 This is a first-view exploded perspective view of the male head of a waterproof connector according to an embodiment of the present invention; Figure 3 This is a second-view exploded perspective view of the male head of a waterproof connector according to an embodiment of the present invention; Figure 4 This is a first-view exploded perspective view of the female head of a waterproof connector according to an embodiment of the present invention; Figure 5 This is a second-view exploded perspective view of the female head of a waterproof connector according to an embodiment of the present invention; Figure 6 This is a perspective view of a waterproof connector in an assembled state according to an embodiment of the present utility model; In the diagram: 1. Male connector; 2. Female connector; 10. Male connector outer casing; 11. Male connector upper shell; 12. Male connector lower shell; 13. Screw; 14. Male connector outer casing groove; 15. Male connector upper shell screw through hole; 16. Male connector lower shell screw hole; 20. Male connector nut one; 21. Male connector nut two; 22. Male connector nut one external thread; 23. Male connector nut two internal thread; 24. Male connector nut one groove; 25. Male connector nut two groove; 26. Male connector nut two through hole; 30. Metal sleeve; 31. Metal sleeve limiting post; 32. Metal sleeve potting hole; 33. Metal sleeve outer ring; 34. Metal sleeve inner hole; 40. Male terminal. 41. Male connector core 1; 42. Male connector core 2; 43. Male connector glue; 44. Male connector terminal locking point; 45. Anti-fooling rib for male connector core 1; 46. Anti-fooling groove for male connector core 2; 47. Slide groove for male connector core 2; 48. Limiting block for slide groove of male connector core 2; 49. Anti-fooling block for male connector core pair 1; 50. Direction identification groove for male connector core pair 1; 51. Limiting surface for male connector core 1; 52. Limiting surface for male connector core 2; 53. Male connector terminal welding cup; 54. Tail end of inner hole for male connector core 2; 55. Outer ring for male connector core 1; 56. Outer ring for male connector core 2; 57. Inner hole for male connector core 2; 58. Male connector screw 59. Female head inner hole; 60. Male head rubber core external thread; 61. Female head fastener; 62. Female head nut internal thread; 63. Female head nut flat surface; 64. Female head fastener internal thread; 65. Female head fastener external thread; 66. Female head fastener anti-fooling groove; 67. Female head fastener sealing ring groove; 70. Female terminal; 71. Female head rubber core; 72. Female head adhesive; 73. Female head sealing ring one; 74. Female head sealing ring two; 75. Female head sealing ring three; 76. Female head sealing ring four; 77. Female cover one; 78. Female cover two; 79. Female terminal locking point; 80. Female head rubber core anti-fooling groove; 81. 81. 100. 101. 102. 103. 104. 105. 106. 107. 108. 109. 10 ...1. 102. 103. 104. 105. 106. 107. 108. 109. 100. 101. 102. 103. 104. 105. 106. 107. 108. 109. 100. 101. 102. 103. 104. 105. 106. 107. 108. 109. 100. 101. 102. 103. 104. 105. 1 Detailed Implementation

[0019] 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 skilled in the art are within the protection scope of the present utility model.

[0020] It should be understood that in the description of the embodiments of this utility model, the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of the embodiments of this utility model, "several" means two or more, unless otherwise explicitly specified.

[0021] like Figure 1-6 As shown, a waterproof connector according to an embodiment of the present invention includes a male connector 1 and a female connector 2. The male connector 1 includes a male connector insulating core assembly, a male terminal 40, a male connector nut 20, and a male connector housing. The male connector insulating core assembly includes a male connector core 41 and a male connector core 42. The male connector core 41 is sleeved inside the male connector core 42, and the male terminal 40 is fixedly disposed inside the male connector core 41. The male connector 1 also includes a metal sleeve 30 disposed on the outer ring 102 of the wire and a male nut 21. The male nut 21 securely connects the metal sleeve 30 to the male connector core 42, and a rotation limiting structure is provided between the metal sleeve 30 and the male connector core 42, so that the metal sleeve 30 can rotate relative to the male connector core 42. The male connector shell includes a male connector outer film 10 covering the male connector insulating core assembly, the male nut 21 and the metal sleeve 30. The female connector 2 includes a female connector insulating core 71, a female terminal 70, and a female connector fastener 60. The female terminal 70 is fixedly disposed inside the female connector insulating core 71, and the female connector fastener 60 is sleeved on the outside of the female connector insulating core 71. The female connector fastener 60 has an internal thread 64, and the male connector nut 20 has an external thread 22. The internal thread 64 of the female connector fastener is adapted to the external thread 22 of the male connector nut to achieve a threaded connection when the male connector and the female connector are inserted.

[0022] According to an embodiment of the present invention, a waterproof connector is provided. In a specific embodiment, the rotation limiting structure includes a male connector core 2 groove 47 disposed on the male connector core 2 42 and a metal sleeve limiting post 31 disposed on the metal sleeve 30 and extending into the groove. The end of the male connector core 2 groove 47 is provided with a groove limiting block 48 for limiting the movement stroke of the metal sleeve limiting post 31.

[0023] According to an embodiment of the present invention, in a specific embodiment of a waterproof connector, the central angle corresponding to the trajectory of the male core sliding groove 47 is 350 degrees to 360 degrees.

[0024] According to an embodiment of the present invention, in a specific embodiment of a waterproof connector, the mating surfaces of the male core 41 and the male core 42 are respectively provided with anti-fouling ribs 45 for the male core 41 and anti-fouling grooves 46 for the male core 42.

[0025] According to an embodiment of the present invention, in a specific embodiment of a waterproof connector, after the male connector core 1 41 and the male connector core 2 42 are mated, a potting cavity is formed at the tail of the male connector core 2 42. The potting cavity is filled with male connector glue 43, which fixes the tail of the male terminal 40, the male connector core 1 41, the male connector core 2 42 and the end of the wire 100 into one unit.

[0026] According to an embodiment of the present invention, a waterproof connector is provided. In a specific embodiment, the metal sleeve 30 is provided with a metal sleeve potting hole 32, and the injection molding material of the male outer membrane 10 is filled in the metal sleeve potting hole 32.

[0027] According to an embodiment of the present invention, a waterproof connector is provided. In a specific embodiment, the female head 2 further includes a second female cover 78 and a third female head sealing ring 75. The second female cover 78 is threaded into the female head fastener 60 and presses the third female head sealing ring 75 against the tail of the female head insulating core 71.

[0028] According to an embodiment of the present invention, in a specific embodiment of a waterproof connector, the tail of the female connector 2 is encapsulated with female connector adhesive 72, which fixes the female connector fastener 60, the female connector insulating core 71, the female terminal 70 and the end of the wire 100 into one unit.

[0029] According to an embodiment of the present invention, a waterproof connector is provided. In a specific embodiment, the female head 2 further includes a female head sealing ring 76 and a female head nut 61. The female head sealing ring 76 is sleeved in the sealing ring groove 67 outside the female head fastener 60. The female head nut 61 is threaded to the tail of the female head fastener 60 and is used to press the female head sealing ring 76 when installed through a wall.

[0030] According to an embodiment of the present invention, a waterproof connector is provided, in a specific embodiment, the male connector core 41 is provided with a male connector core anti-misalignment block 49 and / or a mating direction identification groove 50, and the female connector insulating core 71 is provided with a female connector core anti-misalignment groove 80 that cooperates with the mating anti-misalignment block 49.

[0031] To facilitate understanding of the above technical solutions of this utility model, the following detailed description of the above technical solutions of this utility model is provided through specific embodiments and working principles.

[0032] In practical use, the waterproof connector according to this utility model includes a male connector 1 and a female connector 2. The male connector 1 includes a male connector outer membrane 10, a screw 13, a male connector upper shell 11, a male connector lower shell 12, a male connector nut 21, a metal sleeve 30, a male connector glue 43, a male connector core 2 42, a male connector nut 20, a male terminal 40, and a male connector core 41. The female connector 2 consists of a female connector sealing ring 73, a female connector fastener 60, a female connector sealing ring 2 74, a female connector core 71, a female terminal 70, a female connector sealing ring 3 75, a female cover 1 77, a female cover 2 78, a female connector glue 72, a female connector nut 61, a wire 100, and a plug 103.

[0033] First, insert the male terminal 40 into the socket of the male connector core 41. To ensure a good fixation between the male terminal 40 and the male connector core 41, the male terminal 40 is designed with a male terminal locking point 44. This male terminal locking point 44 and the socket of the male connector core 41 are in an interference fit. Under the action of the interference fit, the male terminal 40 and the socket of the male connector core 41 will generate a holding force. After the holding force is generated, the male terminal 40 will not be easy to loosen or fall off. After the male terminal 40 is assembled, put the inner hole 58 of the male nut 20 into the outer ring 56 of the male connector core 42.

[0034] Next, insert the outer ring 55 of male connector core 41 into the inner hole 57 of male connector core 42. The assembly of male connector core 41 is complete when the limiting surface 51 of male connector core 41 contacts the limiting surface 52 of male connector core 42. To ensure consistency in the assembly direction of male connector core 41 and male connector core 42, male connector core 41 is designed with a first-strike rib 45, and male connector core 42 is designed with a second-strike rib groove 46. Only when the anti-foolproof rib and anti-foolproof groove face the same direction can the correct assembly of male connector core 1 41 and male connector core 2 42 be guaranteed. After the assembly is completed, the copper wire 101 of the wire is soldered to the male terminal solder cup 53. After the soldering is completed, glue is poured into the tail 54 of the inner hole of male connector core 2 42 to obtain the shape of male connector glue 43. After the glue is poured, male connector core 1 41, male terminal 40, male connector core 2 42 and wire 100 will become a whole. Under the action of the glue, the product has good sealing performance and is conducive to the improvement of the overall strength of the product.

[0035] After the glue is applied, the inner hole 34 of the metal sleeve is inserted into the outer ring 102 of the wire. Then, the outer ring 33 of the metal sleeve 30 is inserted into the through hole 26 of the male nut. The internal thread 23 of the male nut and the external thread 59 of the male core are tightened, so that the male nut 21, the metal sleeve 30 and the male core 42 are connected. After connection, the wire 100 can rotate in the metal sleeve 30 along the trajectory of the male core slide groove 47 with the metal limiting post 31 on the metal sleeve 30. When the metal sleeve limiting post 31 rotates to the male core slide groove limiting block 48, it can no longer rotate. This protects the product from wire 100 breakage due to excessive rotation angle. Currently, the rotation angle is close to 360 degrees, which basically covers all application scenarios.

[0036] After assembling the male head nut 21, place the outer ring 102 of the wire into the lower shell 12 of the male head, and then cover the lower shell 12 of the male head with the upper shell 11. After covering, pass the external thread of the screw 13 through the screw through hole 15 of the upper shell of the male head, and then lock it into the screw hole 16 of the lower shell of the male head to complete the assembly of the upper shell 11 and the lower shell 12 of the male head. In order to further improve the sealing performance of the product and the protection of the wire 100, the assembled upper shell 11 and the lower shell 12 of the male head are placed into the injection mold for injection molding. After molding, the shape of the outer film 10 of the male head is obtained. During the injection molding process, the plastic material will be filled into the glue filling hole 32 of the metal sleeve under the pressure of the injection molding machine. After the glue filling hole 32 of the metal sleeve is filled, the metal sleeve 30 and the outer film 10 will also form an integral structure. After forming an integral structure, it is beneficial to improve the sealing performance and structural strength of the entire product.

[0037] To improve the ease of manual operation, the outer mold of the male head 10, the first male head nut 20 and the second male head nut 21 are all designed with groove structures. The outer mold of the male head 14 has a groove 14, the first male head nut has a groove 24 and the second male head nut has a groove 25. These grooves can help increase the friction between the hands and the mold, thereby reducing the intensity of manual operation. After the outer mold of the male head 10 is formed, the entire product assembly of the male head 1 is completed.

[0038] First, insert the female terminal 70 into the corresponding female head core insertion hole 85. Similar to the male terminal 40, to ensure good fixation between the female terminal 70 and the female head core 71, the female terminal 70 is also designed with a female terminal locking point 79. This locking point is in an interference fit with the female head core insertion hole 85. Under the action of the interference fit, the female terminal 70 and the female head core insertion hole 85 will generate a holding force. After generating the holding force, the female terminal 70 will not be easy to loosen or fall off. After the female terminal 70 is assembled, simultaneously put the inner hole 91 of the second female head sealing ring and the inner hole 94 of the first female cover into the outer ring 92 of the female terminal and slide them into the groove 86 of the female head core from the outer ring 92 of the female terminal.

[0039] After sliding in, the assembly of the second female head sealing ring 74 and the first female cover 77 is completed. The main purpose of the second female head sealing ring 74 is to ensure the sealing performance of the product. The second female cover 78 mainly presses the second female head sealing ring 74 to keep it in an expanded state and improve the sealing performance. After the assembly of the second female head sealing ring 74 and the first female cover 77 is completed, the assembled semi-finished product (the assembly of the female head rubber core 71, the female terminal 70, the second female head sealing ring 74 and the first female cover 77) is placed into the female head fastener 60.

[0040] To ensure consistent assembly orientation, the female head core 71, the second female head sealing ring 74, and the first female cover 77 are all equipped with anti-misalignment blocks 81 for the female head core, 83 for the second female head sealing ring, and 82 for the first female cover. The inner hole 93 of the third female head sealing ring is fitted onto the outer thread 88 of the second female cover. The female head fastener 60 is equipped with an anti-misalignment groove 66. Only when the anti-misalignment blocks and the anti-misalignment groove 66 face the same direction can the correct assembly orientation be guaranteed.

[0041] After the semi-finished product is assembled, it is locked into the female head fastener's internal thread 64 via the external thread 88 of the second female cover. To improve sealing, the second female cover 78 is designed with a second female cover plane 89, which can be inserted into the second female cover plane 89 of the second female cover 78 using a tool such as a wrench. Then, external force is applied so that the force of the second female cover 78 is applied to the third female head sealing ring 75. The third female head sealing ring 75 will also expand under external force, and its sealing performance will be further improved after expansion. After the second female cover 78 is locked in, The copper wire 101 is threaded into the female terminal socket 84 and then riveted. After riveting, the connection between the wire 100 and the female terminal 70 is completed. After the connection between the wire 100 and the female terminal 70 is completed, glue is poured into the inner hole 95 of the second female cover. After the glue is poured in, the female fastener 60, the female core 71, the second female sealing ring 74, the first female cover 77, the second female cover 78, the female terminal 70 and the wire 100 become a whole. After becoming a whole, the sealing performance and structural strength of the entire product will be greatly improved.

[0042] After the glue is applied, the outer ring 96 of the female head sealing ring is inserted into the sealing ring groove 67 of the female head fastener. The female head sealing ring 76 and the sealing ring groove 67 are in an interference fit. Under the action of the interference fit, the female head sealing ring 76 is not easy to fall off. This female head 2 product has different installation methods. If it is a through-wall installation, the entire product is passed through the panel. Then, the inner thread 62 of the female head nut is locked into the outer thread 65 of the female head fastener. The female head nut 61 is also designed with a female head nut plane 63. It can also be inserted into the female head nut plane 63 by using a tool such as a wrench. Then, external force is applied so that the force of the female head nut 61 is applied to the female head sealing ring 76. The female head sealing ring 76 will also expand under the external force. After expansion, the sealing between it and the panel will be further improved.

[0043] This case involves male connector 1 and female connector 2. To improve the reliability and sealing of the connection between male connector 1 and female connector 2, the inner hole 90 of the female connector sealing ring is fitted onto the outer ring 87 of the female connector rubber core. When male connector 1 and female connector 2 are inserted, this sealing ring can ensure the sealing of the contact area. In addition, to further improve the reliability of the connection between male connector 1 and female connector 2, when male connector 1 and female connector 2 are connected, the external thread 22 of the male connector nut will engage with the internal thread 64 of the female connector fastener. After the thread engagement, male connector 1 and female connector 2 cannot fall off, which allows the signal to be transmitted continuously without interruption.

[0044] In addition, to ensure that the male and female connectors are not easily inserted in reverse, the male connector core 41 is designed with a male connector core anti-misalignment block 49, and the female connector core 71 is designed with a female connector core anti-misalignment groove 80. Only when the anti-misalignment block and the anti-misalignment groove are in the same direction can they be successfully inserted. Otherwise, the male connector 1 and the female connector 2 cannot be properly inserted. Similarly, to improve the operator's work efficiency, the male connector core 41 is also designed with a male connector core insertion direction identification groove 50. The operator can successfully complete the male and female insertion on the first try by visually observing this identification groove.

[0045] In summary, by utilizing the above-mentioned technical solution of this utility model, through the integration of an innovative rotation limiting structure and a multi-layer sealing system, and by optimizing the fixing and docking methods of internal components, the connector possesses excellent sealing performance and mechanical reliability in harsh environments. At the same time, the wires can rotate flexibly within a wide range of angles to adapt to complex installation scenarios, thereby achieving the comprehensive goals of improving installation convenience, ensuring stable signal transmission, and extending product lifespan.

[0046] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. 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 connector, characterized in that, It includes a male connector (1) and a female connector (2). The male connector (1) includes a male connector insulating core assembly, a male terminal (40), a male connector nut (20), and a male connector housing. The male connector insulating core assembly includes a male connector core one (41) and a male connector core two (42). The male connector core one (41) is fitted inside the male connector core two (42), and the male terminal (40) is fixedly installed inside the male connector core one (41). The male connector (1) also includes a metal sleeve (30) disposed on the outer ring (102) of the wire and a male nut (21). The male nut (21) securely connects the metal sleeve (30) to the male core (42), and a rotation limiting structure is provided between the metal sleeve (30) and the male core (42) so that the metal sleeve (30) can rotate relative to the male core (42). The male connector housing includes a male outer film (10) covering the male insulating core assembly, the male nut (21) and the metal sleeve (30). The female connector (2) includes a female connector insulating core (71), a female terminal (70), and a female connector fastener (60). The female terminal (70) is fixedly disposed inside the female connector insulating core (71), and the female connector fastener (60) is sleeved on the outside of the female connector insulating core (71). The female connector fastener (60) has a female connector fastener internal thread (64), and the male connector nut (20) has a male connector nut external thread (22). The female connector fastener internal thread (64) and the male connector nut external thread (22) are adapted to be threadedly connected when the male connector and the female connector are inserted.

2. A waterproof connector according to claim 1, characterized in that, The rotation limiting structure includes a male head rubber core two slide groove (47) disposed on the male head rubber core two (42) and a metal sleeve limiting post (31) disposed on the metal sleeve (30) and extending into the slide groove. The end of the male head rubber core two slide groove (47) is provided with a slide groove limiting block (48) for limiting the movement stroke of the metal sleeve limiting post (31).

3. A waterproof connector according to claim 2, characterized in that, The central angle corresponding to the trajectory of the male rubber core two sliding grooves (47) is 350 degrees to 360 degrees.

4. A waterproof connector according to claim 1, characterized in that, The mating surfaces of male rubber core one (41) and male rubber core two (42) are respectively provided with anti-fouling ribs (45) of male rubber core one and anti-fouling grooves (46) of male rubber core two that cooperate with each other.

5. A waterproof connector according to claim 1, characterized in that, After the male connector core 1 (41) and male connector core 2 (42) are connected, a glue-filling cavity is formed at the tail of the male connector core 2 (42). The glue-filling cavity is filled with male connector glue (43), which fixes the tail of the male terminal (40), male connector core 1 (41), male connector core 2 (42) and the end of the wire (100) into one piece.

6. A waterproof connector according to claim 1, characterized in that, The metal sleeve (30) has a metal sleeve injection hole (32), and the injection molding material of the male head outer film (10) is filled into the metal sleeve injection hole (32).

7. A waterproof connector according to claim 1, characterized in that, The female head (2) also includes a second female cover (78) and a third female head sealing ring (75). The second female cover (78) is threaded into the female head fastener (60) and presses the third female head sealing ring (75) against the tail of the female head insulating core (71).

8. A waterproof connector according to claim 7, characterized in that, The tail of the female connector (2) is filled with female connector glue (72), which fixes the female connector fastener (60), female connector insulating core (71), female terminal (70) and the end of the wire (100) into one piece.

9. A waterproof connector according to claim 1, characterized in that, The female head (2) also includes a female head sealing ring four (76) and a female head nut (61). The female head sealing ring four (76) is sleeved in the sealing ring groove (67) outside the female head fastener (60). The female head nut (61) is threaded to the tail of the female head fastener (60) and is used to press the female head sealing ring four (76) when installed through the wall.

10. A waterproof connector according to claim 1, characterized in that, The male connector core (41) is provided with a male connector core anti-misfit block (49) and / or a mating direction identification groove (50), and the female connector insulating core (71) is provided with a female connector core anti-misfit groove (80) that cooperates with the mating anti-misfit block (49).

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