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CN-224233074-U - Interference-blocking type HDMI electric connector

CN224233074UCN 224233074 UCN224233074 UCN 224233074UCN-224233074-U

Abstract

The utility model relates to the technical field of electric connectors and discloses a blocking interference type HDMI electric connector which comprises a shell, wherein an insulator is fixedly connected to the rear side of the interior of the shell, two metal woven meshes are fixedly connected to the front side of the interior of the shell, aluminum foils are fixedly connected to the interiors of the two metal woven meshes, terminals are fixedly connected to the front side of the interior of the insulator, a connector lug is fixedly connected to the rear side of the shell, guide grooves are formed in the upper side and the lower side of the interior of the shell, and a protection mechanism is arranged at the top of the shell and used for protecting the terminals. In the utility model, the insulator blocks signal interference of different lines, ensures stable signal transmission, the shell constructs an electromagnetic shielding space, the metal woven mesh guides interference signals to the ground and prevents internal signal leakage, the aluminum foil strengthens low-frequency interference shielding, and the guide groove reduces interference caused by unstable connection, thereby realizing accurate, efficient and interference-free signal transmission.

Inventors

  • LIN JICHENG

Assignees

  • 东莞市南沣电子科技有限公司

Dates

Publication Date
20260512
Application Date
20250417

Claims (8)

  1. 1. The blocking interference type HDMI electric connector comprises a housing (1) and is characterized in that an insulator (3) is fixedly connected to the rear side of the housing (1), two metal woven meshes (4) are fixedly connected to the front side of the housing (1), aluminum foils (5) are fixedly connected to the front side of the metal woven meshes (4), terminals (6) are fixedly connected to the front side of the insulator (3), connecting lugs (7) are fixedly connected to the rear side of the housing (1), guide grooves (8) are formed in the upper side and the lower side of the interior of the housing (1), and a protection mechanism (2) is arranged at the top of the housing (1), and the protection mechanism (2) is used for protecting the terminals (6).
  2. 2. The HDMI electrical connector of claim 1, wherein said protection mechanism (2) comprises a sliding rail (201), the bottom of said sliding rail (201) is fixedly connected to the front side of the top of said housing (1), the rear side of said sliding rail (201) is fixedly connected with a fixing plate (202), the front side of said fixing plate (202) is fixedly connected with springs (203), the front side of the top of said sliding rail (201) is slidably connected with a sliding plate (204), the front side of said springs (203) is fixedly connected with the rear side of said sliding plate (204), the front side of said sliding plate (204) is fixedly connected with hinges (205), and the rear side of said hinges (205) is fixedly connected with a protection plate (206).
  3. 3. The HDMI electrical connector of claim 2, wherein said housing (1) has a front bottom portion fixedly connected with a snap fastener (9), and said protective plate (206) has a bottom portion fixedly connected with a pipe clamp (10).
  4. 4. The HDMI electrical connector of claim 2, wherein said plurality of friction strips (11) are fixedly connected to the top of said sliding plate (204), and said plurality of friction strips (11) are all smoothly designed.
  5. 5. The HDMI electrical connector of claim 2, wherein said housing (1) has two grooves (12) formed on its front side, and said protective plate (206) has two sealing strips (13) fixedly connected to its rear side.
  6. 6. The HDMI electrical connector of claim 2, wherein two support rods (14) are fixedly connected to the rear side of said fixing plate (202), and a connecting base (15) is fixedly connected to the top of said fixing plate (202).
  7. 7. The HDMI electrical connector of claim 6, wherein said connection base (15) has round holes (16) on its left and right sides, and a rotary rod (17) is rotatably connected to said round holes (16).
  8. 8. The HDMI electrical connector of claim 7, wherein said outer wall of said rotary rod (17) is rotatably and fixedly connected with a fixing sleeve (18), and a hook (19) is fixedly connected to the top of said fixing sleeve (18).

Description

Interference-blocking type HDMI electric connector Technical Field The utility model relates to the technical field of electric connectors, in particular to an interference-blocking type HDMI electric connector. Background The HDMI electric connector is a standardized interface device for high-definition multimedia signal transmission, an internal chip of the HDMI electric connector can convert an analog signal output by the device into a digital signal so as to perform efficient transmission in a digital transmission line, the quality and stability of the signal are ensured, and a decoder in the connector converts the received digital signal back into the analog signal at a receiving end and then outputs the analog signal to a display and an audio device, so that the correct display and playing of audio and video are realized. The HDMI electric connector has the shielding layer, but in strong electromagnetic interference environment, when being close to equipment of large-scale motor, transformer, the shielding layer can't block outside electromagnetic field completely, lead to the signal to receive the interference, the problem of picture scintillation, color distortion or audio noise appears, prior art is through using metal mesh grid as the shielding layer, metal mesh grid has good conductivity and electromagnetic shielding performance, can keep apart the signal inside the cable and outside electromagnetic interference, the higher its weaving density, the shielding effect is better, but when in actual use, the weaving structure of metal mesh grid has certain gap and hole, when electromagnetic interference is with specific angle incidence, can get into inside through these gap and hole, influence signal transmission, lead to interference performance reduction. Disclosure of utility model In order to make up for the defects, the utility model provides a blocking interference type HDMI electric connector, which aims to solve the problems that certain gaps and holes exist in a braiding structure of a metal braiding net in the prior art, when electromagnetic interference is incident at a specific angle, the electromagnetic interference enters the inside through the gaps and the holes, signal transmission is affected, and interference performance is reduced. In order to achieve the above purpose, the blocking interference type HDMI electric connector comprises a shell, wherein an insulator is fixedly connected to the rear side of the inside of the shell, two metal woven meshes are fixedly connected to the front side of the inside of the shell, aluminum foils are fixedly connected to the two metal woven meshes, terminals are fixedly connected to the front side of the inside of the insulator, connector lugs are fixedly connected to the rear side of the shell, guide grooves are formed in the upper side and the lower side of the inside of the shell, and a protection mechanism is arranged at the top of the shell and used for protecting the terminals. As a further description of the above technical solution: the protection mechanism comprises a sliding rail, the bottom of sliding rail is fixedly connected with the top front side of shell, the rear side fixedly connected with fixed plate of sliding rail, the equal fixedly connected with spring of front side left and right sides of fixed plate, the top front side sliding connection of sliding rail has the sliding plate, the front side of spring and the rear side fixedly connected with of sliding plate, the equal fixedly connected with hinge of front side left and right sides end of sliding plate, the rear side bottom fixedly connected with protection shield of hinge. As a further description of the above technical solution: the bottom front side fixedly connected with buckle fixer of shell, the bottom fixedly connected with pipe strap of protection shield. As a further description of the above technical solution: The top fixedly connected with a plurality of friction strips of sliding plate, a plurality of friction strips all are slick and sly design. As a further description of the above technical solution: Two grooves are formed in the front side of the shell, and two sealing strips are fixedly connected to the rear side of the protection plate. As a further description of the above technical solution: The rear side fixedly connected with two bracing pieces of fixed plate, the top fixedly connected with connecting seat of fixed plate. As a further description of the above technical solution: Round holes are formed in the left side and the right side of the inside of the connecting seat, and a rotating rod is connected with the inside of the round holes in a rotating mode. As a further description of the above technical solution: The outer wall of the rotating rod is fixedly connected with a fixed sleeve in a rotating mode, and the top of the fixed sleeve is fixedly connected with a hook. The utility model has the following beneficial effects: 1. In the utility mode