Outdoor waterproof charging connector

Abstract

The utility model discloses an outdoor waterproof charging connector, which comprises a plug connector and a cable, the plug connector comprises an insulating seat, a male head terminal arranged in the insulating seat and connected with the cable in a guiding manner, and an outer mold seat integrally fixed at the upper end of the insulating seat, the outer mold seat integrally wraps the cable, and the lower end of the insulating seat protrudes out of the outer mold seat and serves as a plug-in part. A butt joint ring part and a waterproof ring part located on the outer side of the butt joint ring part are formed at the lower end of the outer die base, and the waterproof ring part and the butt joint ring part are distributed at intervals and form a limiting ring groove. When the plug-in part and the butt-joint ring part are inserted into a slot of the socket connector, the waterproof ring part is sleeved on the periphery of a slot port of the socket connector, and the slot port is embedded into the limiting ring groove, so that a circuitous and bent contact surface is formed between the outer die holder and the slot port of the socket connector. Therefore, not only is the plugging force between the plug connector and the socket connector improved, but also a good sealing and waterproof effect is achieved, and a sealing gasket is not needed between the plug connector and the socket connector.

Description

Technical Field:

[0001] The utility model relates to the technical field of connector products, and particularly refers to an outdoor waterproof charging connector. Background Art:

[0002] With the increasing market demand for outdoor device cables, the specification requirements for the supporting connectors are more rigorous, and more attention is paid to connector components with different interfaces.

[0003] However, in the connector combinations generally used in electronic products, there is no waterproof design between the socket connector and the plug connector. When used outdoors or in other environments where there is a chance of exposure to water, water infiltration may cause the already docked connector combination to short-circuit, and then the device is damaged.

[0004] The Chinese utility model patent with the application number 202320433524.4 discloses a connector combination including a socket connector cable combination and a plug connector cable combination. A socket terminal is arranged inside the socket connector. A socket rear housing is assembled on the rear side of the socket front housing and covers the front side of the socket connector. A socket outer mold is arranged on the outside of the socket connector and has a socket outer mold waterproof part. A socket gasket is arranged on the leading edge of the socket rear housing. A plug terminal is arranged on the plug connector. A plug outer mold is arranged on the rear side of the plug connector and has a plug outer mold waterproof part. A plug gasket is arranged on the leading edge of the plug outer mold. When the socket connector cable combination is docked with the plug connector cable combination, the socket terminal of the socket connector cable combination is electrically connected to the plug terminal of the plug connector cable combination. When the socket connector is docked with the plug connector, due to the arrangement of the gaskets, the sealing effect between their contact interfaces is excellent, and water or other liquids will not penetrate into the contact interfaces to cause a short circuit, greatly improving the safety in use.

[0005] However, the above socket connector and plug connector must achieve sealed waterproofing through the plug gasket and the socket gasket, and the socket gasket is arranged on the leading edge of the socket rear housing, and the plug gasket is arranged on the leading edge of the plug outer mold. However, neither the plug gasket nor the socket gasket is limited or positioned; after the plug connector and the socket connector are inserted and pulled out multiple times, the socket gasket may be inserted obliquely, thereby affecting the waterproof performance, and the plug gasket on the plug connector will fall off during the insertion and pulling process, thereby affecting the sealed waterproof performance.

[0006] In view of this, the inventor of the present invention proposes the following technical solutions. Content of the Utility Model:

[0007] The purpose of the utility model is to overcome the deficiencies of the prior art and provide an outdoor waterproof charging connector.

[0008] In order to solve the above technical problems, the utility model adopts the following technical solutions: the outdoor waterproof charging connector includes a plug connector and a cable connected to the plug connector, the plug connector includes an insulating seat, a male terminal arranged in the insulating seat and connected to the cable, and an outer mold seat integrally fixed to the upper end of the insulating seat, the outer mold seat also integrally wraps the cable, the lower end of the insulating seat protrudes outside the outer mold seat and serves as a plug-in portion, the lower end of the outer mold seat is formed with a docking ring portion and a waterproof ring portion located outside the docking ring portion, the waterproof ring portion is spaced apart from the docking ring portion, and a limiting ring groove is formed between the waterproof ring portion and the docking ring portion; when the plug-in portion and the docking ring portion are inserted into the slot of the socket connector, the waterproof ring portion is wrapped around the periphery of the slot port of the socket connector, and the slot port is also embedded in the limiting ring groove.

[0009] Further, in the above technical solution, a terminal hole is provided in the middle portion of the insulating seat, a wire hole is provided at the upper end of the insulating seat which passes downward through the terminal hole and is used for the wire of the cable to pass through, a plug hole is provided at the lower end of the insulating seat which passes upward through the terminal hole, and a positioning hole is formed between the terminal hole and the wire hole, a step is formed between the terminal hole and the plug hole, the male terminal is installed in the terminal hole, the upper end of the male terminal is abutted against the positioning hole for positioning, and the lower end of the male terminal is abutted against the step.

[0010] Furthermore, in the above technical solution, the insulating seat includes a left shell and a right shell that are butt-jointed and fixed together by ultrasonic melting, and the wire hole, terminal hole and jack are formed between the left shell and the right shell.

[0011] Furthermore, in the above technical solution, the right shell is provided with a plurality of positioning holes; the left shell is provided with positioning columns adapted to the positioning holes, and the positioning columns are inserted and installed in the positioning holes to form positioning so that the left shell and the right shell are docked together.

[0012] Furthermore, in the above technical solution, the left shell is provided with a plurality of ultrasonic melting lines, and the ultrasonic melting lines are fixed together with the right shell by ultrasonic melting.

[0013] Further, in the above technical solution, the left shell body is provided with a first groove, a second groove, a third groove, and a fourth groove which are connected in sequence from top to bottom; the right shell body is provided with a fifth groove, a sixth groove, a seventh groove, and an eighth groove which are connected in sequence from top to bottom, the first groove is connected to the fifth groove to form the wire hole, the second groove is connected to the sixth groove to form the positioning hole, the third groove is connected to the seventh groove to form the terminal hole, and the fourth groove is connected to the eighth groove to form the jack.

[0014] Furthermore, in the above technical solution, the outer mold base is integrally injection-molded with soft rubber; the lower end of the male terminal has a conducting piece, and a first rolled conducting portion and a second rolled conducting portion formed by rolling inwards from both sides of the conducting piece. A conducting space is formed between the first rolled conducting portion and the second rolled conducting portion and the conducting piece; the upper end of the male terminal has a wire-clamping claw, a wire-clamping piece is arranged in the middle of the male terminal, the wire-clamping claw clamps and fixes a wire, and the metal wire core of the wire extends into the wire-clamping piece and is clamped, fixed and conducted by the wire-clamping piece.

[0015] Furthermore, in the above technical solution, a stop piece for preventing over-insertion is also formed on the outer side of the outer mold base, and the stop piece protrudes from the outer side of the outer mold base; a stop groove adapted to the stop piece is arranged beside the slot of the socket connector.

[0016] Furthermore, in the above technical solution, a stepped groove is formed around the periphery of the slot port of the socket connector, so that an inlaid ring body protruding upwards is formed at the slot port, the waterproof ring part is inlaid in the stepped groove from top to bottom, and the inlaid ring body is inlaid in the limit ring groove from bottom to top.

[0017] Furthermore, in the above technical solution, the socket connector uses the housing of the product as a carrier, the housing is provided with the above-mentioned slot, a PCB board is arranged in the housing, and female seat terminals adapted to the male terminals are arranged on the PCB board, and the female seat terminals are exposed in the slot.

[0018] After adopting the above technical solution, the present utility model has the following beneficial effects compared with the prior art: after the insertion part and the docking ring part of the present utility model are inserted into the slot of the socket connector, the docking ring part of the outer mold base contacts the inner wall of the slot, achieving the purpose of tensioning and fixing, and having a certain sealing effect; furthermore, the slot port is also embedded in the limit ring groove of the outer mold base, which also achieves the purpose of tensioning and fixing, and has a certain sealing effect, and the waterproof ring part of the outer mold base covers the periphery of the slot port of the socket connector, which also achieves the purpose of tensioning and fixing, and at the same time has a certain sealing effect, forming a circuitous and bent contact surface between the outer mold base and the slot port of the socket connector, thereby not only improving the insertion and extraction force between the plug connector and the slot of the socket connector, but also achieving a good sealing assembly combination, having a good waterproof effect, effectively preventing external water vapor from entering, ensuring a reliable charging effect, and not requiring a sealing gasket for waterproofing between them, avoiding the phenomenon that the sealing gasket fails during the mutual insertion and extraction of the plug connector and the socket connector, making the present utility model have extremely strong market competitiveness. Description of the Drawings:

[0019] Figure 1 is a perspective view of the present utility model;

[0020] Figure 2 It is a perspective view of another angle of the present utility model;

[0021] Figure 3 It is an exploded perspective view of the present utility model;

[0022] Figure 4 It is a perspective view of the right housing in the present utility model;

[0023] Figure 5 It is a perspective view of the socket connector in the present utility model;

[0024] Figure 6 It is an assembly drawing of the plug connector and the socket connector in the present utility model;

[0025] Figure 7 It is a cross-sectional view of the assembly of the plug connector and the socket connector in the present utility model. Specific embodiments:

[0026] The present utility model will be further described below in conjunction with specific embodiments and the accompanying drawings.

[0027] See Figures 1-7 As shown, it is an outdoor waterproof charging connector, which includes a plug connector 1 and a cable 2 connected to the plug connector 1. The plug connector 1 includes an insulating base 11, a male terminal 12 disposed in the insulating base 11 and electrically connected to the cable 2, and an outer mold base 13 integrally fixed to the upper end of the insulating base 11. The outer mold base 13 also integrally wraps the cable 2, and the lower end of the insulating base 11 protrudes outside the outer mold base 13 and serves as a mating portion.

[0028] The present utility model has mainly made the following improvements: A docking ring portion 131 is formed at the lower end of the outer mold base 13, and a waterproof ring portion 132 is located outside the docking ring portion 131. The waterproof ring portion 132 is spaced from the docking ring portion 131, and a limiting ring groove 133 is formed between the waterproof ring portion 132 and the docking ring portion 131. After the insertion portion and the docking ring portion 131 are inserted into the slot 301 of the socket connector 3, the waterproof ring portion 132 is wrapped around the periphery of the port of the slot 301 of the socket connector 3, and the port of the slot 301 is also embedded in the limiting ring groove 133. That is to say, after the insertion portion and the docking ring portion 131 are inserted into the slot 301 of the socket connector 3, the docking ring portion 131 of the outer mold base 13 contacts the inner wall of the slot 301, achieving the purpose of tensioning and fixing, and having a certain sealing effect. Moreover, the port of the slot 301 is also embedded in the limiting ring groove 133 of the outer mold base 13, which also achieves the purpose of tensioning and fixing, and has a certain sealing effect. And the waterproof ring portion 132 of the outer mold base 13 is wrapped around the periphery of the port of the slot 301 of the socket connector 3, which also achieves the purpose of tensioning and fixing, and at the same time has a certain sealing effect, forming a tortuous contact surface between the outer mold base 13 and the port of the slot 301 of the socket connector 3. Thus, not only the insertion and extraction force between the plug connector 1 and the slot 301 of the socket connector 3 is improved, but also a good sealing and assembly combination is achieved, having a good waterproof effect, effectively preventing external water vapor from entering, ensuring a reliable charging effect, and there is no need to use a sealing gasket for waterproofing between them, avoiding the phenomenon that the sealing gasket fails during the mutual insertion and extraction of the plug connector 1 and the socket connector 3, making the present utility model have extremely strong market competitiveness.

[0029] Among them, the outer mold base 13 is integrally injection-molded from soft rubber, enabling the waterproof ring portion 132, the docking ring portion 131, and the limiting ring groove 133 to contact the slot 301 of the socket connector 3 more closely, achieving a better sealing and waterproof effect.

[0030] A terminal hole 111 is provided in the middle of the insulating seat 11. A wire hole 112 is provided at the upper end of the insulating seat 11, which penetrates downward through the terminal hole 111 and is used for the wire 21 of the cable 2 to pass through. A jack 113 is provided at the lower end of the insulating seat 11, which penetrates upward through the terminal hole 111. A positioning hole 114 is formed between the terminal hole 111 and the wire hole 112, and a step 115 is formed between the terminal hole 111 and the jack 113. The male terminal 12 is installed in the terminal hole 111. The upper end of the male terminal 12 abuts against and is positioned by the positioning hole 114, and the lower end of the male terminal 12 abuts against the step 115, thereby ensuring the stable installation of the male terminal 12 in the insulating seat 11.

[0031] Specifically, the insulating base 11 includes a left housing 116 and a right housing 117 that are butt - jointed left - and - right and fixed together by ultrasonic melting. The left housing 116 and the right housing 117 of this assembly structure can better assemble the male terminal 12, while ensuring better sealing of the assembly structure and more stable structure. A wire hole 112, a terminal hole 111, and a jack 113 are formed between the left housing 116 and the right housing 117. Among them, the right housing 117 is provided with a number of positioning ports 110; the left housing 116 is provided with positioning posts 109 adapted to the positioning ports 110. The positioning posts 109 are inserted and installed in the positioning ports 110 to form positioning, so that the left housing 116 and the right housing 117 are butted together, which is convenient for ultrasonic melting fixation in the later stage. Specifically, the left housing 116 is provided with a plurality of ultrasonic melting lines 1161, and the ultrasonic melting lines 1161 and the right housing 117 are fixed together by ultrasonic melting.

[0032] The left housing 116 is provided with a first groove 101, a second groove 102, a third groove 103, and a fourth groove 104 that are conductively connected in sequence from top to bottom; the right housing 117 is provided with a fifth groove 105, a sixth groove 106, a seventh groove 107, and an eighth groove 108 that are conductively connected in sequence from top to bottom. The first groove 101 is butted with the fifth groove 105 to form the wire hole 112, the second groove 102 is butted with the sixth groove 106 to form the positioning hole 114, the third groove 103 is butted with the seventh groove 107 to form the terminal hole 111, and the fourth groove 104 is butted with the eighth groove 108 to form the jack 113. Its assembly structure is extremely simple.

[0033] The lower end of the male terminal 12 has a conducting piece 121, and a first rolled - up conducting part 122 and a second rolled - up conducting part 123 that are rolled up from the outside to the inside along both sides of the conducting piece 121. A conducting space 120 is formed between the first rolled - up conducting part 122, the second rolled - up conducting part 123 and the conducting piece 121. When the female terminal 42 is inserted into the conducting space 120, the conducting piece 121, the first rolled - up conducting part 122, and the second rolled - up conducting part 123 are all in contact with the female terminal 42, ensuring the stability of the assembly structure and forming a stable electrical conduction effect; the upper end of the male terminal 12 has a wire - wrapping claw 124, and a wire - wrapping piece 125 is arranged in the middle of the male terminal 12. The wire - wrapping claw 124 clamps and fixes the wire 21 to form a stable assembly. The metal wire core 211 of the wire 21 extends into the wire - wrapping piece 125 and is clamped and fixed and conducted by the wire - wrapping piece 125. Its assembly structure is stable and forms a reliable conducting effect.

[0034] A stop piece 130 for preventing over-insertion is also formed on the outer side of the outer mold base 13, and the stop piece 130 protrudes from the outer side of the outer mold base 13; a stop groove 302 adapted to the stop piece 130 is provided beside the slot 301 of the socket connector 3. After the plug connector 1 is inserted into the slot 301 of the socket connector 3, the stop piece 130 is embedded in the stop groove 302, and thus the plug connector 1 is over-inserted into the socket connector 3.

[0035] A stepped groove 303 is formed around the periphery of the port of the slot 301 of the socket connector 3, so that an inlaid ring body 304 protruding upward is formed at the port of the slot 301. The waterproof ring portion 132 is inlaid in the stepped groove 303 from top to bottom, and the inlaid ring body 304 is inlaid in the limit ring groove 133 from bottom to top. The waterproof ring portion 132 is embedded in the stepped groove 303 to form a sealed assembly.

[0036] The socket connector 3 uses the housing 4 of the product as a carrier, which can save the carrier, make the socket connector 3 have fewer parts, lower cost and more convenient installation. The housing 4 is provided with the slot 301, a PCB board 41 is arranged in the housing 4, and a female socket terminal 42 adapted to the male terminal 12 is arranged on the PCB board 41, and the female socket terminal 42 is exposed in the slot 301.

[0037] In summary, after the insertion part and the docking ring part 131 of the present invention are inserted into the slot 301 of the socket connector 3, the docking ring part 131 of the outer mold base 13 contacts the inner wall of the slot 301, achieving the purpose of tensioning and fixing, and having a certain sealing effect; furthermore, the port of the slot 301 is also embedded in the limit ring groove 133 of the outer mold base 13, which also achieves the purpose of tensioning and fixing, and has a certain sealing effect. And the waterproof ring portion 132 of the outer mold base 13 is sleeved around the periphery of the port of the slot 301 of the socket connector 3, which also achieves the purpose of tensioning and fixing, and at the same time has a certain sealing effect, forming a circuitous and bent contact surface between the outer mold base 13 and the port of the slot 301 of the socket connector 3. Therefore, not only the insertion and extraction force between the plug connector 1 and the slot 301 of the socket connector 3 is improved, but also a good sealed assembly combination is achieved, having a good waterproof effect, which can effectively prevent external water vapor from entering, ensuring a reliable charging effect, and there is no need to use a sealing gasket for waterproofing between them, avoiding the phenomenon that the sealing gasket fails during the mutual insertion and extraction of the plug connector 1 and the socket connector 3, making the present invention have extremely strong market competitiveness.

[0038] Certainly, the above is only a specific embodiment of the present invention, and is not intended to limit the scope of implementation of the present invention. Any equivalent changes or modifications made according to the structure, features and principles described in the scope of the patent application of the present invention should be included in the scope of the patent application of the present invention.

Claims

1. Outdoor waterproof charging connector, which comprises a plug connector (1) and a cable (2) connected to the plug connector (1). The plug connector (1) includes an insulating base (11), a male terminal (12) disposed in the insulating base (11) and electrically connected to the cable (2), and an outer mold base (13) integrally fixed to the upper end of the insulating base (11). The outer mold base (13) also integrally wraps the cable (2). The lower end of the insulating base (11) protrudes outside the outer mold base (13) and serves as a mating part, and is characterized in that: A docking ring portion (131) and a waterproof ring portion (132) located outside the docking ring portion (131) are formed at the lower end of the outer mold base (13). The waterproof ring portion (132) and the docking ring portion (131) are spaced apart, and a limiting ring groove (133) is formed between the waterproof ring portion (132) and the docking ring portion (131). After the mating part and the docking ring portion (131) are inserted into the slot (301) of the socket connector (3), the waterproof ring portion (132) wraps around the periphery of the port of the slot (301) of the socket connector (3), and the port of the slot (301) is also embedded in the limiting ring groove (133).

2. The outdoor waterproof charging connector according to claim 1, characterized in that: A terminal hole (111) is provided in the middle of the insulating base (11). A wire hole (112) is provided at the upper end of the insulating base (11) and penetrates downward through the terminal hole (111) for the wire (21) of the cable (2) to pass through. A jack (113) is provided at the lower end of the insulating base (11) and penetrates upward through the terminal hole (111). A positioning hole (114) is formed between the terminal hole (111) and the wire hole (112). A step (115) is formed between the terminal hole (111) and the jack (113). The male terminal (12) is installed in the terminal hole (111). The upper end of the male terminal (12) abuts against and is positioned by the positioning hole (114), and the lower end of the male terminal (12) abuts against the step (115).

3. The outdoor waterproof charging connector according to claim 2, characterized in that: The insulating base (11) includes a left housing (116) and a right housing (117) that are butted left and right and fixed together by ultrasonic melting. The wire hole (112), the terminal hole (111), and the jack (113) are formed between the left housing (116) and the right housing (117).

4. The outdoor waterproof charging connector according to claim 3, wherein: The right housing (117) is provided with a plurality of positioning ports (110); the left housing (116) is provided with positioning posts (109) adapted to the positioning ports (110). The positioning posts (109) are inserted and installed in the positioning ports (110) to form a positioning, so that the left housing (116) and the right housing (117) are butted together.

5. The outdoor waterproof charging connector according to claim 4, wherein: The left housing (116) is provided with a plurality of ultrasonic melting lines (1161), and the ultrasonic melting lines (1161) and the right housing (117) are fixed together by ultrasonic melting.

6. The outdoor waterproof charging connector according to claim 3, characterized in that: The left housing (116) is provided with a first groove (101), a second groove (102), a third groove (103), and a fourth groove (104) that are conductively connected in sequence from top to bottom; the right housing (117) is provided with a fifth groove (105), a sixth groove (106), a seventh groove (107), and an eighth groove (108) that are conductively connected in sequence from top to bottom. The first groove (101) is docked with the fifth groove (105) to form the wire hole (112), the second groove (102) is docked with the sixth groove (106) to form the positioning hole (114), the third groove (103) is docked with the seventh groove (107) to form the terminal hole (111), and the fourth groove (104) is docked with the eighth groove (108) to form the jack (113).

7. The outdoor waterproof charging connector according to any one of claims 1-6, characterized in that: The outer mold base (13) is integrally injection molded from soft rubber; the lower end of the male terminal (12) has a conductive sheet (121), and a first rolled conductive portion (122) and a second rolled conductive portion (123) that are rolled inward from the outside along both sides of the conductive sheet (121). A conductive space (120) is formed between the first rolled conductive portion (122), the second rolled conductive portion (123), and the conductive sheet (121); the upper end of the male terminal (12) has a wire-clamping claw (124), and a wire-clamping sheet (125) is provided in the middle of the male terminal (12). The wire-clamping claw (124) clamps and fixes the wire (21), and the metal wire core (211) of the wire (21) extends into the wire-clamping sheet (125) and is clamped and fixed and conductively connected by the wire-clamping sheet (125).

8. The outdoor waterproof charging connector according to claim 7, characterized in that: A stop piece (130) for preventing over-insertion is also formed on the outside of the outer mold base (13), and the stop piece (130) protrudes from the outside of the outer mold base (13); a stop groove (302) adapted to the stop piece (130) is provided beside the slot (301) of the socket connector (3).

9. The outdoor waterproof charging connector according to any one of claims 1-6, characterized in that: The socket connector (3) is formed with a stepped groove (303) around the periphery of the port of the slot (301), so that an inlaid ring body (304) protruding upward is formed at the port of the slot (301). The waterproof ring portion (132) is inlaid in the stepped groove (303) from top to bottom, and the inlaid ring body (304) is inlaid in the limit ring groove (133) from bottom to top.

10. The outdoor waterproof charging connector according to claim 9, characterized in that: The socket connector (3) uses the housing (4) of the product as a carrier. The housing (4) is provided with the slot (301), a PCB board (41) is provided in the housing (4), and a female terminal (42) adapted to the male terminal (12) is provided on the PCB board (41), and the female terminal (42) is exposed in the slot (301).

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