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CN-224217784-U - Improved waterproof connector

CN224217784UCN 224217784 UCN224217784 UCN 224217784UCN-224217784-U

Abstract

The utility model discloses an improved waterproof connector, which comprises a metal outer shell and an insulator assembly, wherein a terminal assembly is arranged in the insulator assembly, the terminal assembly comprises an insertion part and a welding part, the insulator assembly comprises a first insulator, the first insulator is wrapped on the insertion part, a metal inner shell is arranged between the first insulator and the metal outer shell, a shielding sleeve is integrally formed in the metal inner shell, the shielding sleeve wraps the first insulator partially, and a plugging piece is arranged at one end of the first insulator far away from the insertion part. The waterproof device is provided with the plugging piece, so that the occurrence of a circuit caused by the fact that external water flows into a welding part and a circuit board through a gap between the first insulator and the metal outer shell is avoided.

Inventors

  • SONG MENGJIN

Assignees

  • 东莞市意丰精密电子有限公司

Dates

Publication Date
20260508
Application Date
20250516

Claims (8)

  1. 1. An improved waterproof connector is characterized by comprising a metal shell (100) and an insulator assembly (200) wrapped by the metal shell (100), wherein a terminal assembly (300) is installed in the insulator assembly (200), the terminal assembly (300) comprises an insertion part (310) and a welding part (320), the insertion part (310) is used for being inserted into other connectors to form electric connection, the welding part (320) is used for being connected with a circuit board, the insulator assembly (200) comprises a first insulator (210), the first insulator (210) is wrapped on the insertion part (310), a metal inner shell (600) is arranged between the first insulator (210) and the metal shell (100), a shielding sleeve (400) is integrally formed in the metal inner shell (600), the shielding sleeve (400) is used for forming partial wrapping on the first insulator (210), and a plugging piece (500) is arranged at one end, far away from the insertion part (310), of the first insulator (210).
  2. 2. The improved waterproof connector according to claim 1, wherein the first insulator (210) includes a wrapping portion (211) and a fixing portion (212), the wrapping portion (211) is wrapped around the insertion portion (310) by injection molding, the fixing portion (212) is located between the insertion portion (310) and the welding portion (320) and has a larger cross section than the wrapping portion (211), the blocking member (500) is tightly attached to a side of the fixing portion (212) away from the wrapping portion (211), and the blocking member (500) is made of an elastic material and has a larger cross section than the fixing portion (212).
  3. 3. The improved waterproof connector according to claim 2, wherein the shielding sleeve (400) is integrally formed in the metal inner shell (600) by adopting a reverse stretching process, the shielding sleeve (400) comprises a first bending part (410) and a second bending part (420) which are integrally formed, the first bending part (410) is perpendicular to the inner wall of the metal inner shell (600), the second bending part (420) is located at one end, far away from the metal inner shell (600), of the first bending part (410) and extends towards the inserting part (310), and the second bending part (420) is clung to the periphery of the wrapping part (211).
  4. 4. The improved waterproof connector of claim 3, wherein the first bending portion (410) divides the metal inner case (600) into a first chamber (630) and a second chamber (640) that are separated from each other when the second bending portion (420) is covered around the wrapping portion (211), the insertion portion (310) and the second bending portion (420) are located in the first chamber (630), and the welding portion (320) and the blocking member (500) are located in the second chamber (640).
  5. 5. The improved waterproof connector according to claim 4, wherein the fixing portion (212) is disposed in the second chamber (640) and is tightly attached to a side of the first bending portion (410) away from the wrapping portion (211), and a plurality of protruding portions (212 a) are disposed on the fixing portion (212), and when the second chamber (640) is in contact with the fixing portion (212), the protruding portions (212 a) are used for forming an interference fit between the second chamber (640) and the fixing portion (212).
  6. 6. The improved waterproof connector according to claim 1, wherein an opening (610) into which other connectors are inserted is formed at an end of the metal inner housing (600) remote from the metal outer housing (100), and a sealing ring (620) is sleeved outside the opening (610).
  7. 7. The improved waterproof connector according to claim 1, wherein the insulator assembly (200) further comprises a second insulator (220), the second insulator (220) is wrapped around the weld (320), the blocking member (500) is located between the first insulator (210) and the second insulator (220), a pair of stopper portions (221) are extended along both sides of an end of the second insulator (220) facing the first insulator (210), and the blocking member (500) is located between the stopper portions (221).
  8. 8. The improved waterproof connector according to claim 1, characterized in that a number of pins (110) are provided at the bottom of the metal housing (100).

Description

Improved waterproof connector Technical Field The utility model relates to the field of connectors, in particular to an improved waterproof connector. Background The existing electronic equipment adopting Universal Serial Bus (universal serial bus, abbreviated as USB) output ports has various use environments, has higher and higher requirements on the use environments, and can be safely used in severe environments with high humidity. Because the structure and the manufacturing process of the female socket (the socket RECEPTACLE) of the C-type USB connector are that the rubber core is assembled with the connecting pin (pin is a contact terminal) after being singly molded by injection. In the prior art, mostly insulating housing and socket body, both mutually support and form USB female seat jointly, A type USB connector female seat on the market is waterproof, and the security performance is lower, causes the potential safety hazard easily, and in addition, current shield is independent part, needs solitary station to install when needs the installation, and owing to the small of shield, the solitary installation is very easy to consume man-hour and produce the defective products easily moreover. Disclosure of utility model In order to solve the above problems, the present utility model provides an improved waterproof connector, which comprises a metal outer shell and an insulator assembly wrapped by the metal outer shell, wherein a terminal assembly is installed in the insulator assembly, the terminal assembly comprises an insertion part and a welding part, the insertion part is used for being inserted into other connectors to form electric connection, the welding part is used for being connected with a circuit board, the insulator assembly comprises a first insulator, the first insulator is wrapped on the insertion part, a metal inner shell is arranged between the first insulator and the metal outer shell, a shielding sleeve is integrally formed in the metal inner shell, the shielding sleeve wraps the first insulator forming part, and a plugging piece is arranged at one end of the first insulator, which is far away from the insertion part. Further, the first insulator comprises a wrapping portion and a fixing portion, the wrapping portion is wrapped around the insertion portion through injection molding, the fixing portion is located between the insertion portion and the welding portion, the section of the fixing portion is larger than that of the wrapping portion, the plugging piece is clung to one side, far away from the wrapping portion, of the fixing portion, and the plugging piece is made of elastic materials and is larger than that of the fixing portion. Furthermore, the shielding sleeve is integrally formed in the metal inner shell by adopting a reverse stretching process, the shielding sleeve comprises a first bending part and a second bending part which are integrally formed, the first bending part is mutually perpendicular to the inner wall of the metal inner shell, the second bending part is positioned at one end, far away from the metal inner shell, of the first bending part and extends towards the inserting part, and the second bending part is clung to the periphery of the wrapping part. Further, when the second bending portion covers the periphery of the wrapping portion, the first bending portion divides the metal inner shell into a first cavity and a second cavity which are separated from each other, the insertion portion and the second bending portion are located in the first cavity, and the welding portion and the plugging piece are located in the second cavity. Furthermore, the fixing portion is disposed in the second cavity and is tightly attached to one side, far away from the wrapping portion, of the first bending portion, and the fixing portion is provided with a plurality of protruding portions. Furthermore, an opening for inserting other connectors is formed at one end of the metal inner shell far away from the metal outer shell, and a sealing ring is sleeved outside the opening. Further, the insulator assembly further comprises a second insulator, the second insulator is wrapped on the welding portion, the plugging piece is located between the first insulator and the second insulator, two side edges of one end, facing the first insulator, of the second insulator extend out of the pair of limiting portions, and the plugging piece is located between the limiting portions. Further, a plurality of pins are arranged at the bottom of the metal shell. Compared with the prior art, the utility model has the beneficial effects that: According to the application, the plugging piece is arranged at one end of the first insulator far away from the insertion part and is mutually perpendicular to the insertion part, so that the occurrence of a circuit caused by the fact that external water flows into the welding part and the circuit board through a gap between the first insulator and the metal sh