A waterproof connector joint

Abstract

The application belongs to the technical field of electric connection, and particularly discloses a waterproof connector joint, which comprises a connecting wire one, a connecting body and a connecting wire two, the connecting wire one and the connecting wire two are connected together through the connecting body, the connecting body comprises a connecting plate, the two ends of the connecting plate are respectively provided with rotary head one and rotary head two, the rotary head one is provided with connecting head one through threaded connection, the rotary head two is provided with connecting head two through threaded connection, the connecting head one is provided with a dynamic connection assembly, the dynamic connection assembly is connected with the connecting wire one, the outer wall of the connecting head one is provided with a connecting pushing assembly, the connecting plate is provided with a plugging assembly around the axis, the rotary head two is provided with a locking assembly, the connecting head two is provided with a plug-in pipe around the axis, the wire core of the connecting wire two is arranged in the connecting head two and is electrically connected with the plug-in pipe, and the plug-in pipe is provided with a on-off assembly. In the connecting process, the water at the connecting position is automatically discharged, and the stable connection and locking of the connecting wire one and the connecting wire two under water are realized.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of electrical connection, and particularly relates to a waterproof connector joint. BACKGROUND

[0002] When power equipment, electronic instruments and electrical equipment are connected and used underwater, a waterproof connector needs to be used. The connector has a sealing function under a certain water pressure, so as to ensure normal use of the power equipment.

[0003] A conventional waterproof connector joint generally achieves waterproof protection through a single or multiple sealing gaskets and a anti-disengagement locking structure. A waterproof connector joint disclosed in a patent with the publication number CN219144537U comprises a PIN needle, a joint rubber core, a waterproof ring, a protective shell and waterproof glue. The joint rubber core is formed on the outer circumferential surface of the PIN needle, so that the joint rubber core can be nested with the second part of the anti-disengagement groove of the PIN needle. On the one hand, the PIN needle is not easy to separate from the joint rubber core. On the other hand, the anti-disengagement step of the PIN needle can form a plurality of interlaced waterproof layers with the part of the joint rubber core embedded in the second part of the anti-disengagement groove, so that the waterproof effect is better. When the electrical equipment is working underwater, it may need to be moved and reconnected. The waterproof connector joint described above cannot be plugged underwater.

[0004] Therefore, a waterproof connector joint is needed to solve the above problems. SUMMARY

[0005] In view of the above problems, the present application provides a waterproof connector joint which can automatically drain water from the connection during the connection process, and realize stable connection and locking of the connection line one and the connection line two underwater.

[0006] The technical scheme adopted by the present application is as follows: the present application provides a waterproof connector joint, which comprises a connecting wire one, a connecting body and a connecting wire two, the connecting wire one and the connecting wire two are connected together through the connecting body, the connecting wire one and the connecting wire two are respectively composed of a wire core and a skin wrapping the wire core, the connecting body comprises a connecting plate, both ends of the connecting plate are respectively provided with a rotating head one and a rotating head two, a connecting head one is threadedly connected to the rotating head one, a connecting head two is threadedly connected to the rotating head two, a dynamic connection assembly is arranged on the connecting head one, the connecting wire one is connected to the dynamic connection assembly, a connecting pushing assembly is arranged on the outer wall of the connecting head one, a plugging assembly is arranged on the inner wall of the connecting plate around an axis, a locking assembly is arranged on the rotating head two, a drainage channel one is arranged in the connecting head one, a drainage channel two is arranged in the connecting head two, a sealing head one is arranged on the inner end face of the connecting head one, a sealing head two is arranged on the inner end face of the connecting head two, a plug-in pipe is arranged on the connecting head two around an axis, the wire core of the connecting wire two is arranged in the connecting head two and is electrically connected with the plug-in pipe, and a on-off assembly is arranged in the plug-in pipe.

[0007] Further, the dynamic connection assembly comprises a plug rod and a linkage disc, the plug rod penetrates through the connecting head one and the sealing head one, the linkage disc is arranged at the outer end of the plug rod, the plug rod is composed of an insulating plug, a conductive rod and an insulating rod, the insulating plug and the insulating rod are arranged at both ends of the conductive rod, in the initial state, the end face of the insulating plug exceeds the outer end face of the sealing head one, the insulating rod is fixedly connected with the linkage disc, the conductive rod is connected with the wire core of the connecting wire one through a lead wire, and the lead wire is arranged in the insulating rod and the linkage disc.

[0008] Further, the connecting pushing assembly comprises a support frame, a rack one, a rack two, a rotating shaft, a gear frame, a transmission gear, a movable cylinder, a linkage rod and a clamping shaft, the support frame is arranged in an L shape, one end of the support frame is arranged on the side wall of the linkage disc, the rack one is arranged on the lower wall of the other end of the support frame, the movable cylinder is slidingly arranged on the rotating head one, one end of the rack two is arranged on the outer wall of the movable cylinder, the gear frame is arranged on the outer wall of the connecting head one around an axis, the rotating shaft is arranged on the gear frame, both ends of the rotating shaft penetrate through the side wall of the gear frame, the transmission gear is arranged on the rotating shaft, the transmission gear is arranged between the rack one and the rack two, the transmission gear is engaged with the rack one and the rack two, the linkage rods are symmetrically arranged at both ends of the rotating shaft, and the clamping shaft is arranged at the end portions of the two linkage rods.

[0009] Further, the locking assembly comprises a rotating ring, a hinged frame, a locking plate and a connecting shaft, the rotating ring is rotatably arranged on the outer wall at the end face of the rotating head two, the hinged frame is arranged on the outer wall of the rotating ring around an axis, one end of the locking plate is rotatably arranged on the hinged frame through the connecting shaft and a torsion spring, and the lower wall of the locking plate is provided with a clamping groove.

[0010] Further, the plugging assembly comprises a spring one, a baffle, a support plate and a pressing rod, the outer wall of the connecting plate is provided with a plugging groove along the radial direction, the inner end of the plugging groove at the end surface of the connecting plate is provided with a through hole, the middle part of the baffle is provided with a through slot, the support plate is arranged on the inner side wall of the plugging groove, the baffle is slidingly arranged in the plugging groove, the support plate penetrates the through slot, the spring one is arranged in the through slot, the lower end of the spring one is arranged on the upper wall of the support plate, the upper end of the spring one is arranged on the upper end surface of the through slot, the pressing rod is arranged on the upper side wall of the baffle, and the outer end of the baffle is provided in an arc shape.

[0011] Further, the on-off assembly comprises an insulating block and a spring two, the inner end of the plug-in pipe is a closed end, the plug-in pipe penetrates the sealing head two and the connecting head two, the front end of the plug-in pipe is provided with an insulating ring body, the end surface of the insulating ring body is flush with the end surface of the sealing head two, the inner end of the spring two is arranged at the inner bottom end of the plug-in pipe, the insulating block is arranged at the outer end of the spring two, the insulating block is slidingly arranged in the plug-in pipe, and in the initial state, the outer end surface of the insulating block exceeds the end surface of the sealing head two.

[0012] Further, the drainage channel one penetrates the two end surfaces of the connecting head one, and the drainage channel one at the inner end surface of the sealing head one is provided with a one-way valve one.

[0013] Further, the drainage channel two penetrates the two end surfaces of the connecting head two, and the drainage channel two at the inner end surface of the sealing head two is provided with a one-way valve two.

[0014] Further, the end surface of the rotating head one is provided with a friction ring.

[0015] Further, the inner diameter of the movable cylinder close to one end of the connecting plate is greater than the outer diameter of the connecting plate, and the inner wall of the movable cylinder is matched with the outer wall of the baffle.

[0016] The beneficial effects obtained by the above structure are as follows:

[0017] 1. In the process of tightening the rotating head one and the connecting head one, the rotating head one drives the sealing head one to move, the space between the end surface of the sealing head one and the end surface of the connecting plate is reduced until they are attached together, the insulating plug is inserted into the through hole and attached to the baffle, and the water between the sealing head one and the connecting plate is squeezed out through the one-way valve one and the drainage channel one;

[0018] 2. In the process of tightening the rotating head two and the connecting head two, the rotating head two drives the sealing head two to move, the space between the end surface of the sealing head two and the end surface of the connecting plate is reduced until they are attached together, the insulating block enters the through hole and is attached to the baffle, and the water between the sealing head two and the connecting plate is squeezed out through the one-way valve two and the drainage channel two;

[0019] 3, press the pressure bar, the pressure bar drives the baffle to move down and press the spring 1, the lower end of the baffle blocks the through hole, drives the linkage rod to be in the vertical state, the movable cylinder presses the baffle, the baffle keeps the state of blocking the through hole;

[0020] 4, linkage rod drives rotating shaft and transmission gear to rotate, transmission gear drives rack two and movable cylinder to move, movable cylinder is staggered with baffle, under the action of spring 1, spring 1 pushes baffle upwards, baffle moves outward, the lower end of the baffle is staggered with the through hole, and at the same time, the transmission gear is engaged with the rack one, drives the rack one, support frame and linkage disc to move towards the connector one, linkage disc drives the insertion rod to move, the insertion rod passes through the through hole, the insulating plug of the insertion rod pushes the insulating block into the plug-in pipe, the insulating block presses spring two, at this time, the conductive rod of the insertion rod is electrically connected with the plug-in pipe, so that the connecting wire one and the connecting wire two are communicated. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a front perspective structure schematic view of a waterproof connector joint proposed in the application;

[0022] Figure 2 It is a back perspective structure schematic view of a waterproof connector joint proposed in the application;

[0023] Figure 3 It is a perspective structure schematic view of a connecting push assembly;

[0024] Figure 4 It is a schematic view of the position relationship of rack one, rack two and transmission gear;

[0025] Figure 5 It is the position relationship between rotating head one, rotating head two and connecting plate;

[0026] Figure 6 It is a perspective structure schematic view of a blocking assembly;

[0027] Figure 7 It is a schematic view of the internal structure of the blocking assembly;

[0028] Figure 8 It is an internal sectional view of the connector two;

[0029] Figure 9 It is Figure 8 the enlarged view of A part;

[0030] Figure 10 It is an internal sectional view of the connector one;

[0031] Figure 11 It is a perspective structure schematic view of a locking assembly;

[0032] Figure 12 It is Figure 11 the enlarged view of B part.

[0033] Wherein, 1, the first connecting line, 2, the connecting body, 3, the second connecting line, 4, the connecting plate, 5, the first rotating head, 6, the second rotating head, 7, the first connecting head, 8, the second connecting head, 9, the dynamic connecting assembly, 10, the connecting pushing assembly, 11, the plugging assembly, 12, the locking assembly, 13, the first drainage channel, 14, the second drainage channel, 15, the first sealing head, 16, the insertion pipe, 17, the on-off assembly, 18, the insertion rod, 19, the linkage disc, 20, the insulating plug, 21, the conductive rod, 22, the insulating rod, 23, the support frame, 24, the first rack, 25, the second rack, 26, the rotating shaft, 27, the gear frame, 28, the transmission gear, 29, the movable cylinder, 30, the linkage rod, 31, the clamping shaft, 32, the rotating ring, 33, the hinged frame, 34, the locking plate, 35, the connecting shaft, 36, the clamping groove, 37, the first spring, 38, the baffle, 39, the support plate, 40, the pressing rod, 41, the plugging groove, 42, the through hole, 43, the through groove, 44, the insulating block, 45, the second spring, 46, the insulating ring body, 47, the first one-way valve, 48, the second one-way valve, 49, the friction ring, 50, the second sealing head.

[0034] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with the embodiments of the present application, and do not constitute a limitation on the present application. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0036] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0037] As Figure 1 , Figure 2 , Figure 8 , Figure 9 , Figure 10As shown in the figure, the application provides a waterproof connector joint, which comprises a connecting wire one 1, a connecting body 2 and a connecting wire two 3, the connecting wire one 1 and the connecting wire two 3 are connected together through the connecting body 2, the connecting wire one 1 and the connecting wire two 3 are respectively composed of a core and a skin wrapping the core, the connecting body 2 comprises a connecting plate 4, both ends of the connecting plate 4 are respectively provided with a rotating head one 5 and a rotating head two 6, the rotating head one 5 is provided with a connecting head one 7 through threaded connection, the rotating head two 6 is provided with a connecting head two 8 through threaded connection, the connecting head one 7 is provided with a dynamic connection assembly 9, the dynamic connection assembly 9 is connected with the connecting wire one 1, the outer wall of the connecting head one 7 is provided with a connecting pushing assembly 10, the connecting plate 4 is provided with a plugging assembly 11 around the axis, the rotating head two 6 is provided with a locking assembly 12, the connecting head one 7 is provided with a drainage channel one 13, the connecting head two 8 is provided with a drainage channel two 14, the inner end surface of the connecting head one 7 is provided with a sealing head one 15, the inner end surface of the connecting head two 8 is provided with a sealing head two 50, the connecting head two 8 is provided with a plug-in pipe 16 around the axis, the core of the connecting wire two 3 is arranged in the connecting head two 8 and is electrically connected with the plug-in pipe 16, the plug-in pipe 16 is provided with an on-off assembly 17.

[0038] As shown in the figure, Figure 1 , Figure 2 , Figure 10 As shown in the figure, the dynamic connection assembly 9 comprises a plug rod 18 and a linkage disc 19, the plug rod 18 penetrates through the connecting head one 7 and the sealing head one 15, the linkage disc 19 is arranged at the outer end of the plug rod 18, the plug rod 18 is composed of an insulating plug 20, a conductive rod 21 and an insulating rod 22, the insulating plug 20 and the insulating rod 22 are arranged at both ends of the conductive rod 21, in the initial state, the end surface of the insulating plug 20 exceeds the outer end surface of the sealing head one 15, the insulating rod 22 is fixedly connected with the linkage disc 19, the conductive rod 21 is connected with the core of the connecting wire one 1 through a wire, and the wire is arranged in the insulating rod 22 and the linkage disc 19.

[0039] As shown in the figure, Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, the connecting pushing assembly 10 comprises a support frame 23, a rack one 24, a rack two 25, a rotating shaft 26, a gear frame 27, a transmission gear 28, a movable cylinder 29, a linkage rod 30 and a clamping shaft 31. The support frame 23 is arranged in an L shape, one end of the support frame 23 is arranged on the side wall of the linkage disc 19, the rack one 24 is arranged on the lower wall of the other end of the support frame 23, the movable cylinder 29 is slidingly arranged on the rotating head one 5, one end of the rack two 25 is arranged on the outer wall of the movable cylinder 29, the gear frame 27 is arranged around the axis on the outer wall of the connecting head one 7, the rotating shaft 26 is arranged on the gear frame 27, both ends of the rotating shaft 26 penetrate through the side wall of the gear frame 27, the transmission gear 28 is arranged on the rotating shaft 26, the transmission gear 28 is arranged between the rack one 24 and the rack two 25, the transmission gear 28 is engaged with the rack one 24 and the rack two 25, the linkage rod 30 is symmetrically arranged on both ends of the rotating shaft 26, and the clamping shaft 31 is arranged on the end of the two linkage rods 30.

[0040] As shown in Figure 1 , Figure 2 , Figure 11 , Figure 12 , the locking assembly 12 comprises a rotating ring 32, a hinged frame 33, a locking plate 34 and a connecting shaft 35. The rotating ring 32 is rotationally arranged on the outer wall at the end surface of the rotating head two 6, the hinged frame 33 is arranged around the axis on the outer wall of the rotating ring 32, one end of the locking plate 34 is rotationally arranged on the hinged frame 33 through the connecting shaft 35 and the torsional spring, and the lower wall of the locking plate 34 is provided with a clamping groove 36.

[0041] As shown in Figure 1 , Figure 2 , Figure 6 , Figure 7 , the plugging assembly 11 comprises a spring one 37, a baffle 38, a support plate 39 and a pressing rod 40. The outer wall of the connecting plate 4 is provided with a plugging groove 41 along the radial direction, the inner end of the plugging groove 41 at the end surface of the connecting plate 4 penetrates through a through hole 42, the middle part of the baffle 38 penetrates through a through slot 43, the support plate 39 is arranged on the inner side wall of the plugging groove 41, the baffle 38 is slidingly arranged in the plugging groove 41, the support plate 39 penetrates through the through slot 43, the spring one 37 is arranged in the through slot 43, the lower end of the spring one 37 is arranged on the upper wall of the support plate 39, the upper end of the spring one 37 is arranged on the upper end surface of the through slot 43, the pressing rod 40 is arranged on the upper side wall of the baffle 38, and the outer end of the baffle 38 is arranged in an arc shape.

[0042] As shown in Figure 1 , Figure 2 , Figure 8 , Figure 9As shown, the on-off assembly 17 includes an insulating block 44 and a spring 45, the inner end of the plug tube 16 is a closed end, the plug tube 16 penetrates the sealing head 50 and the connecting head 8, the front end of the plug tube 16 is provided with an insulating ring body 46, the end face of the insulating ring body 46 is flush with the end face of the sealing head 50, the inner end of the spring 45 is arranged at the inner bottom end of the plug tube 16, the insulating block 44 is arranged at the outer end of the spring 45, the insulating block 44 is slidingly arranged in the plug tube 16, and in the initial state, the outer end face of the insulating block 44 exceeds the end face of the sealing head 50.

[0043] As shown in Figure 10 , the drainage channel 13 penetrates the two end faces of the connecting head 7, the one-way valve 47 is arranged at the drainage channel 13 of the inner end face of the sealing head 15, and the water between the sealing head 15 and the connecting plate 4 can only be discharged through the one-way valve 47 and the drainage channel 13.

[0044] As shown in Figure 8 , Figure 9 , the drainage channel 14 penetrates the two end faces of the connecting head 8, the one-way valve 48 is arranged at the drainage channel 14 of the inner end face of the sealing head 50, and the water between the sealing head 50 and the connecting plate 4 can only be discharged through the one-way valve 48 and the drainage channel 14.

[0045] As shown in Figure 1 , the end face of the rotating head 5 is provided with a friction ring 49, which facilitates the rotation of the rotating head 5.

[0046] As shown in Figure 1 , Figure 2 , Figure 5 , the inner diameter of the movable cylinder 29 near one end of the connecting plate 4 is greater than the outer diameter of the connecting plate 4, and the inner wall of the movable cylinder 29 cooperates with the outer wall of the baffle plate 38.

[0047] In specific use, in the initial state, under the action of the spring 45, the end face of the insulating plug 20 exceeds the outer end face of the sealing head 15, and at the same time, the outer end face of the insulating block 44 exceeds the end face of the sealing head 50, the pressure rod 40 is pressed down, the pressure rod 40 drives the baffle plate 38 to move downward, the baffle plate 38 moves downward and presses the spring 37, the lower end of the baffle plate 38 blocks the through hole 42, the linkage rod 30 is pushed to be in a vertical state, the movable cylinder 29 presses the baffle plate 38, and the baffle plate 38 maintains the state of blocking the through hole 42;

[0048] When the connecting wire one 1 and the connecting wire two 3 need to be connected in water, the rotating head one 5 and the rotating head two 6 are respectively rotated, the rotating head one 5 and the rotating head two 6 are tightened, at this time, the plug-in pipe 16, the through hole 42 and the plug rod 18 are aligned, in the process of tightening the rotating head one 5 and the connecting head one 7, the rotating head one 5 drives the sealing head one 15 to move, the space between the end surface of the sealing head one 15 and the end surface of the connecting plate 4 is reduced until they are pasted together, the insulating plug 20 is inserted into the through hole 42 and pasted with the baffle 38, the water between the sealing head one 15 and the connecting plate 4 is squeezed out through the one-way valve one 47 and the drainage channel one 13, in the process of tightening the rotating head two 6 and the connecting head two 8, the rotating head two 6 drives the sealing head two 50 to move, the space between the end surface of the sealing head two 50 and the end surface of the connecting plate 4 is reduced until they are pasted together, the insulating block 44 enters into the through hole 42 and pastes with the baffle 38, the water between the sealing head two 50 and the connecting plate 4 is squeezed out through the one-way valve two 48 and the drainage channel two 14;

[0049] The linkage rod 30 is rotated towards the side of the locking assembly 12 until the clamping shaft 31 is clamped in the clamping groove 36 of the locking plate 34, at the same time, the linkage rod 30 drives the rotating shaft 26 to rotate, the rotating shaft 26 drives the transmission gear 28 to rotate, the transmission gear 28 meshes with the rack two 25, drives the rack two 25 to move, the rack two 25 drives the movable cylinder 29 to move, the movable cylinder 29 is disengaged with the baffle 38, under the action of the spring one 37, the spring one 37 pushes the baffle 38 upwards, the baffle 38 moves outward, the lower end of the baffle 38 is disengaged with the through hole 42, at the same time, the transmission gear 28 meshes with the rack one 24, drives the rack one 24 to move, the rack one 24 drives the support frame 23 to move, the support frame 23 drives the linkage disc 19 to move towards the connecting head one 7, the linkage disc 19 pushes the plug rod 18 to move, the plug rod 18 passes through the through hole 42, the insulating plug 20 of the plug rod 18 pushes the insulating block 44 to enter into the plug-in pipe 16, the insulating block 44 presses the spring two 45 downwards, at this time, the conductive rod 21 of the plug rod 18 is electrically connected with the plug-in pipe 16, so that the connecting wire one 1 and the connecting wire two 3 are communicated.

[0050] It is to be noted that, in the present text, relational terms such as first and second and the like can merely be used to differentiate one entity or action from another, without necessarily requiring or implying any actual such relationship or order between or among the entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0051] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary and that changes can be made in the embodiments without departing from the spirit and scope of the application.

[0052] The above description of the application and its embodiments is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired by it, without departing from the purpose of the application, without creative design, similar structure and embodiments of the technical solution should belong to the protection scope of the application.

Claims

1. A waterproof connector joint, comprising a first connecting wire (1), a connecting body (2), and a second connecting wire (3), the first connecting wire (1) and the second connecting wire (3) being connected together via the connecting body (2), wherein the first connecting wire (1) and the second connecting wire (3) are respectively composed of a wire core and a sheath covering the wire core, characterized in that: The connector (2) includes a connecting plate (4). Rotating head 1 (5) and rotating head 2 (6) are respectively rotatably provided at both ends of the connecting plate (4). Connecting head 1 (7) is connected to the rotating head 1 (5) by a thread. Connecting head 2 (8) is connected to the rotating head 2 (6) by a thread. Dynamic connection component (9) is provided on the connecting head 1 (7). Connecting line 1 (1) is connected to the dynamic connection component (9). Connecting push component (10) is provided on the outer wall of the connecting head 1 (7). Sealing component (11) is arranged in an array around the axis inside the connecting plate (4). The rotating head 2 (6) is provided with a locking component (12), the connector 1 (7) is provided with a drainage channel 1 (13), the connector 2 (8) is provided with a drainage channel 2 (14), the inner end face of the connector 1 (7) is provided with a sealing head 1 (15), the inner end face of the connector 2 (8) is provided with a sealing head 2 (50), the connector 2 (8) is provided with a plug tube (16) arranged around the axis, the core of the connecting wire 2 (3) is located in the connector 2 (8) and electrically connected to the plug tube (16), and the plug tube (16) is provided with a switching component (17). The dynamic connection component (9) includes a plug (18) and a linkage disk (19). The plug (18) passes through the connector (7) and the sealing head (15). The linkage disk (19) is located at the outer end of the plug (18). The plug (18) is composed of an insulating plug (20), a conductive rod (21), and an insulating rod (22). The insulating plug (20) and the insulating rod (22) are located at both ends of the conductive rod (21). In the initial state, the end face of the insulating plug (20) extends beyond the outer end face of the sealing head (15). The insulating rod (22) is fixedly connected to the linkage disk (19). The conductive rod (21) is connected to the core of the connecting line (1) through a wire. The wire passes through the insulating rod (22) and the linkage disk (19). The switching component (17) includes an insulating block (44) and a second spring (45). The inner end of the plug tube (16) is a closed end. The plug tube (16) passes through the second sealing head (50) and the second connecting head (8). The front end of the plug tube (16) is provided with an insulating ring (46). The end face of the insulating ring (46) is flush with the end face of the second sealing head (50). The inner end of the second spring (45) is located at the inner bottom end of the plug tube (16). The insulating block (44) is located at the outer end of the second spring (45). The insulating block (44) is slidably located inside the plug tube (16). In the initial state, the outer end face of the insulating block (44) extends beyond the end face of the second sealing head (50).

2. The waterproof connector according to claim 1, characterized in that: The connecting and pushing assembly (10) includes a support frame (23), rack one (24), rack two (25), a rotating shaft (26), a gear frame (27), a transmission gear (28), a movable cylinder (29), a linkage rod (30), and a retaining shaft (31). The support frame (23) is L-shaped, with one end of the support frame (23) located on the side wall of the linkage disc (19). Rack one (24) is located on the lower wall of the other end of the support frame (23). The movable cylinder (29) is slidably mounted on the rotating head one (5). One end of rack two (25) is located on the outer wall of the movable cylinder (29). The gear carrier (27) is arranged in an array around the axis on the outer wall of the connector (7). The rotating shaft (26) is arranged on the gear carrier (27). Both ends of the rotating shaft (26) pass through the side wall of the gear carrier (27). The transmission gear (28) is arranged on the rotating shaft (26). The transmission gear (28) is arranged between rack one (24) and rack two (25). The transmission gear (28) meshes with rack one (24) and rack two (25). The linkage rod (30) is symmetrically arranged at both ends of the rotating shaft (26). The retaining shaft (31) is arranged at the ends of the two linkage rods (30).

3. A waterproof connector according to claim 2, characterized in that: The locking assembly (12) includes a rotating ring (32), a hinge frame (33), a locking plate (34), and a connecting shaft (35). The rotating ring (32) is rotatably disposed on the outer wall of the end face of the rotating head (6). The hinge frame (33) is arranged in an array around the axis on the outer wall of the rotating ring (32). One end of the locking plate (34) is rotatably disposed on the hinge frame (33) through the connecting shaft (35) and a torsion spring. The lower wall of the locking plate (34) is provided with a slot (36).

4. A waterproof connector according to claim 3, characterized in that: The sealing assembly (11) includes a spring (37), a baffle (38), a support plate (39), and a pressure rod (40). The outer wall of the connecting plate (4) is provided with a sealing groove (41) along the radial direction. A through hole (42) is provided through the inner end of the sealing groove (41) on the end face of the connecting plate (4). A through groove (43) is provided through the middle of the baffle (38). The support plate (39) is located on the inner side wall of the sealing groove (41). The baffle (38) is slidably disposed in the sealing groove (41), the support plate (39) passes through the through groove (43), the spring (37) is disposed in the through groove (43), the lower end of the spring (37) is disposed on the upper wall of the support plate (39), the upper end of the spring (37) is disposed on the upper end face of the through groove (43), the pressure rod (40) is disposed on the upper side wall of the baffle (38), and the outer end of the baffle (38) is set in an arc shape.

5. A waterproof connector according to claim 4, characterized in that: The drainage channel 1 (13) passes through both ends of the connector 1 (7), and a one-way valve 1 (47) is provided at the drainage channel 1 (13) on the inner end face of the sealing head 1 (15).

6. A waterproof connector according to claim 5, characterized in that: The second drainage channel (14) passes through both ends of the second connector (8), and a one-way valve (48) is provided at the drainage channel (14) on the inner end face of the second sealing head (50).

7. A waterproof connector according to claim 6, characterized in that: The end face of the rotating head (5) is provided with a friction ring (49).

8. A waterproof connector according to claim 7, characterized in that: The inner diameter of the movable cylinder (29) near the connecting plate (4) is larger than the outer diameter of the connecting plate (4), and the inner wall of the movable cylinder (29) is fitted with the outer wall of the baffle (38).

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