CN205882311U - USBC type electric connector - Google Patents

Abstract

The utility model relates to a USB C-type electrical connector, which comprises an insulating body, a plurality of conductive terminals, two shielding sheets and a metal shell. The insulating body includes a top, a bottom, two opposite sides connecting the top and the bottom, and a , the docking hole between the bottom and the two sides, the top and the bottom are respectively provided with a number of receiving grooves through which the receiving groove communicates with the docking hole, the shielding sheets are respectively fixed on the upper and lower surfaces of the insulating body, and the shielding The shielding sheet has a number of hollow holes, and an insulating sheet is formed on the shielding sheet, and the insulating sheet fills the hollow hole. The insulating sheet insulates the conductive terminal from the metal shell, prevents the contact part of the conductive terminal from touching the metal shell, and prevents the conductive terminal from contacting the metal shell. Case shorted.

Description

USB Type-C Electrical Connector

technical field

The utility model relates to a USB C-type electrical connector, in particular to a USB C-type electrical connector with a metal shielding sheet.

Background technique

With the release of the USB Type-C interface, it has the advantages of high transmission rate and support for positive and negative insertion, and it has received more and more attention from various manufacturers, and is widely used in electronic devices such as mobile phones and notebooks. Due to the demand for high transmission rates, higher requirements are put forward for the shielding of signals. The USB Type-C electrical connector is covered with a metal shell on the outside of the insulating body, and it is also added to cover the outside of the conductive terminal and the inside of the metal shell. Two metal shielding sheets, one shielding sheet is fixed on the top of the insulating body, and the other shielding sheet is fixed on the bottom of the insulating body, which can enhance signal interference and leakage, and improve the high-frequency performance of the USB Type-C electrical connector.

Please refer to Figure 6, the shielding sheet 1 is provided with hollow holes spaced left and right to prevent the terminals of the connector from connecting with the shielding sheet to form a short circuit. When plugging and unplugging, the conductive terminals may also touch the metal shell to form a short circuit. In order to avoid this phenomenon, the current practice of various manufacturers is to fix the Mylar sheet 2 on the outer surface of the shielding sheet 1, and the Mylar sheet 2 covers each The hollow hole is used to insulate the conductive terminal from the metal casing, preventing the conductive terminal from touching the metal casing. However, if the adhesive quality of the Mylar sheet 2 is not good or it is not firmly fixed, it is likely to slip and lose its insulating effect; if the number of plugging and unplugging is too many, the Mylar sheet 2 will wear out, which will easily cause the conductive terminal to contact the metal shell and cause a short circuit.

Therefore, it is necessary to design a new USB Type-C electrical connector to solve the above technical problems.

Utility model content

The purpose of the utility model is to provide a USBC type electrical connector with improved insulation effect between the conductive terminal and the metal shell.

In order to achieve the aforementioned purpose, the utility model adopts the following technical solution: a USB C-type electrical connector, which includes an insulating body, a plurality of conductive terminals, a shielding sheet and a metal shell, and the insulating body includes a top, a bottom, and a connecting top and bottom The opposite two sides and the docking holes located between the top, the bottom and the two sides, the top and the bottom are respectively provided with a number of receiving grooves through which the receiving grooves communicate with the docking holes, and the conductive terminals are accommodated in The contact part of the storage tank and the welding part extending out of the insulating body, the contact part also protrudes into the butt joint hole, the shielding pieces are respectively fixed on the upper and lower surfaces of the insulation body, and the shielding pieces are vertically aligned with the storage tank and the contact part Several hollow holes, the metal shell is covered on the outside of the insulating body and the shielding sheet, the shielding sheet is provided with an integrally formed insulating sheet, the insulating sheet fills the hollow holes, and the end of the contact part of the above-mentioned conductive terminal can be supported on the insulation sheet.

As a further improvement of the utility model, the upper surfaces of the insulating sheet and the shielding sheet tend to be coplanar.

As a further improvement of the utility model, the shielding sheet has a reinforcing sheet embedded in the insulating sheet, and the front and rear ends of the reinforcing sheet are connected with the inner wall of the hollow hole.

As a further improvement of the utility model, the inside of the reinforcement sheet is provided with a downward or upward bending portion, and the bending portion is embedded in the insulating sheet.

As a further improvement of the utility model, the top and bottom of the insulating body are provided with a plurality of through holes located in front of the receiving tank, and the front end of the shielding sheet has a plurality of elastic cantilevers located in the through holes, and the cantilever protrudes into the docking hole.

As a further improvement of the utility model, the metal casing includes a top wall, a bottom wall, opposite side walls connecting the top wall and the bottom wall, and a receiving space formed between the top wall, the bottom wall and the two side walls, the The insulating body and the shielding sheet are accommodated in the accommodation space, and the rear end of the shielding sheet is provided with an elastic sheet facing the metal shell, and the elastic sheet is pressed against the top wall and the bottom wall.

As a further improvement of the utility model, the USB C-type electrical connector also includes a metal locking piece assembled forwardly on the insulating body, and the locking piece includes a base plate, and extending forward from the left and right ends of the base plate. A pair of elastic locking arms and two tails extending backward from the left and right ends of the substrate, the conductive terminals are arranged in two rows up and down, the substrate is located between the upper and lower rows of conductive terminals, the outer sides of the two sides The surface is provided with a positioning slot for accommodating the locking arm, the front end of the positioning slot communicates with the docking hole, and the front end of the locking arm has a locking protrusion protruding into the docking hole.

As a further improvement of the utility model, the welding parts of the conductive terminals are arranged in two rows up and down, and the two tails of the locking pieces are staggered left and right, and are respectively aligned with the welding parts of the conductive terminals.

As a further improvement of the utility model, the left and right sides of the shielding sheet are also bent with embedded sheets fixed to the insulating body.

As a further improvement of the utility model, the conductive terminal also includes a fixing part connecting the contact part and the welding part, the fixing part is buried in the insulating block, and the insulating block is assembled forward in the insulating body, and the contact part An insulating block extends forward, and the welding part extends backward out of the insulating block.

An insulating sheet is formed on the shielding sheet of the USB C-type electrical connector of the utility model, and the insulating sheet fills the hollow hole on the shielding sheet, and the insulating sheet insulates the conductive terminal from the metal shell, so as to prevent the contact part of the conductive terminal from touching the metal shell and prevent conduction. The terminal is short-circuited with the metal shell, the fixing effect of the insulating sheet is firm, and the insulating effect is better. Wear-resistant materials can be used, which can improve the performance of the USB-C electrical connector and prolong the service life.

Description of drawings

FIG. 1 is a three-dimensional schematic diagram of the USB C-type electrical connector of the present invention.

Fig. 2 is a three-dimensional exploded view of the USB C-type electrical connector of the present invention.

FIG. 3 is a cross-sectional view of the USB C-type electrical connector of the present invention.

FIG. 4 is a three-dimensional schematic diagram of an unformed insulating sheet of the shielding sheet of the USB C-type electrical connector of the present invention.

FIG. 5 is a three-dimensional schematic diagram of the shielding sheet of the USB C-type electrical connector of the present invention.

Fig. 6 is a schematic perspective view of a metal shielding sheet in the prior art.

detailed description

1 to 5, the utility model provides a USB C-type electrical connector 100, which includes an insulating body 10, a number of conductive terminals 20, two metal shielding pieces 30, a metal locking piece 40 and a metal Housing 50. The conductive terminal 20 is accommodated in the insulating body 10 , the shielding piece 30 is fixed on the upper and lower surfaces of the insulating body 10 , the locking piece 30 is fixed forwardly in the insulating body 10 , and the metal shell 50 covers the outer side of the insulating body 10 and the shielding piece 30 .

The insulating housing 10 includes a top 11, a bottom 12 opposite to the top 11, two side parts 13, and a pair of connecting holes 14 formed between the top 11, the bottom 12 and the two side parts 13, for receiving the tongue plate of the receptacle connector ( not shown). The top 11 and the bottom 12 are respectively provided with a plurality of storage grooves 15 spaced apart left and right and a plurality of through holes 16 located in front of the storage groove 15. The outer surfaces of the two sides 13 are respectively provided with a positioning groove 18 , and the front end of the positioning groove 18 communicates with the docking hole 14 .

The conductive terminal 20 has an arc-shaped contact portion 21 at the front end, a welding portion 23 at the rear end, and a fixing portion 22 connecting the contact portion 21 and the welding portion 23 . The conductive terminals 20 are arranged in two rows up and down, and the contact portions 21 and welding portions 23 of each row of conductive terminals 20 are arranged in a row along the left and right directions. The fixing part 22 of each row of conductive terminals 20 is insert-molded on an insulating block 25, the contact part 21 extends forward out of the insulating block 25, enters the receiving groove 15 of the insulating body 10, and protrudes into the docking hole 14, and the receiving groove 15 provides The contact part 21 swings up and down in the movable space, and the welding part 23 extends backward out of the insulating block 25 . Between the insulating blocks 25 on the two rows of conductive terminals 20 are provided mutually fixed protrusions 251 and concave holes 252 , and the conductive terminals 20 communicate with the insulating blocks 25 and are assembled on the insulating body 10 forward.

4 and 5, each shielding sheet 30 includes a main body plate 31 and a number of elastic cantilevers 32 extending forward from the main body plate 31. The cantilevers 32 are accommodated in the through hole 16 and enter the docking hole 14 for Makes contact with the metal shell of the receptacle connector to create a ground return. The front part of the main body plate 31 has a plurality of square hollow holes 33 spaced left and right, which are vertically aligned with the receiving groove 15 of the insulating body 10 and the contact portion 21 of the conductive terminal 20 . The left and right sides of the rear end of the main board 31 are also bent with embedded pieces 310 fixed to the insulating body 10 , and the rear end is provided with an elastic piece 312 protruding toward the metal shell 50 , pressing against the inner side of the metal shell 50 to achieve a grounding circuit.

There is a reinforcing sheet 34 in the hollow hole 33, the front and rear ends of the reinforcing sheet 34 are connected with the inner side wall of the hollow hole 33, the inner side of the reinforcing sheet 34 is provided with a downwardly or upwardly bent bending portion 35, and the front part of the main body plate 31 also has a There is an insulating sheet 36 integrally formed, the hollow hole 33 is filled by the insulating sheet 36, the reinforcing sheet 34 is embedded in the insulating sheet 36, the upper surface of the insulating sheet 36 and the shielding sheet 30 tend to be coplanar, and the setting of the bending part 35 , the bonding force between the insulating sheet 36 and the shielding sheet 30 is enhanced. The insulating sheet 30 provides insulation and prevents the contact portion 21 of the conductive terminal 20 from contacting the metal shell 50 to prevent a short circuit. Deformation occurs, and the end of the contact part can be supported on the insulating sheet, preventing the contact part 21 of the conductive terminal 20 from touching the metal shell 50, preventing short circuit and prolonging the service life of the electrical connector.

The locking piece 40 includes a base piece 41, a pair of elastic locking arms 42 extending forward from the left and right ends of the base piece 41, and two tails 43 extending backward from the left and right ends of the base piece 41. The base piece 41 is located in the upper and lower rows. The conductive terminals 20 are clamped and fixed up and down by insulating blocks 25 , which is beneficial to reduce the crosstalk between the upper and lower rows of conductive terminals 20 . The locking arm 42 is accommodated in the positioning groove 18 of the insulating body 10 , and the front end 42 has a locking protrusion 44 protruding into the mating hole 14 for locking on the socket connector. The two tail portions 43 are staggered left and right, and are respectively aligned with the soldering portion 22 of the conductive terminal 20 left and right.

The metal casing 50 includes a top wall 51, a bottom wall 52 opposite to the top wall 51, opposite side walls 53 connecting the top wall 51 and the bottom wall 52, and a wall formed between the top wall 51, the bottom wall 52 and the side walls 53. A receiving space 54 , the insulating body 10 is received in the receiving space 54 , and the top wall 51 and the bottom wall 52 cover the outer side of the shielding sheet 30 and interfere with the elastic sheet 312 .

The USB C-type electrical connector 100 of the present utility model forms an insulating sheet 36 on the shielding sheet 30, and the insulating sheet 36 fills the hollow hole 33, insulates the conductive terminal 20 from the metal shell 50, and prevents the contact portion 21 of the conductive terminal 20 from contacting the metal. The shell 50 prevents short circuit between the conductive terminal 20 and the metal shell 50. The fixing effect of the insulating sheet 30 is firm and the insulation effect is better. Wear-resistant materials can be used to improve the usability of the USB-C electrical connector 100 and prolong the service life.

Although preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that, without departing from the scope and spirit of the present invention as disclosed by the appended claims, Various improvements, additions, and substitutions are possible.

Claims (10)

1. a USB c-type electric connector, it includes insulating body, some conducting terminals, shielding sheet and metal shell, described absolutely Edge body includes top, bottom, the opposite sides portion of connection top and bottom and right between top, bottom and both sides Connecing hole, described top and bottom is respectively equipped with the some accepting grooves run through, and described accepting groove connects with butt hole, described conducting end Son has the contact site being contained in accepting groove and the weld part extending insulating body, and described contact site also protrudes into butt hole In, described shielding sheet is individually fixed in insulating body upper and lower surface, and it is the most right with accepting groove and contact site that described shielding sheet has Neat some hollow holes, described metal shell is coated on the outside of insulating body and shielding sheet, it is characterised in that: described shielding sheet Being provided with integrated insulating trip, described insulating trip fills hollow hole, and the contact site end of above-mentioned conducting terminal may be supported on On insulating trip.

USB c-type electric connector the most according to claim 1, it is characterised in that: described insulating trip and the upper table shielding sheet Face tends to coplanar.

USB c-type electric connector the most according to claim 1, it is characterised in that: described shielding sheet has and is embedded in insulation Reinforcing sheet in sheet, holds the inwall with hollow hole to be connected before and after reinforcing sheet.

USB c-type electric connector the most according to claim 3, it is characterised in that: be provided with inside described reinforcing sheet downwards or The kink being folded upward at, described kink is embedded in insulating trip.

USB c-type electric connector the most according to claim 1, it is characterised in that: the top and bottom of described insulating body Being provided with the some through holes being positioned at accepting groove front, described shielding sheet front end has the some elastic cantilevers being positioned at through hole, cantilever Protrude into butt hole.

USB c-type electric connector the most according to claim 1, it is characterised in that: described metal shell includes roof, the end Wall, connect roof and the two lateral walls of diapire and be formed at the receiving space between roof, diapire and two side, described insulation Body is contained in receiving space with shielding sheet, and described shielding sheet rear end is provided with the shell fragment of metal shell, and described shell fragment compresses On roof with diapire.

USB c-type electric connector the most according to claim 1, it is characterised in that: described USB c-type electric connector also includes The metal latch cramp being assembled in forward on insulating body, described grip tab includes substrate, extends forward from two ends, substrate left and right A pair elastic lock arm and two afterbodys extended back from two ends, substrate left and right, the arrangement of described conducting terminal is two rows, institute Stating substrate and arranging between conducting terminal up and down, the outer surface of described both sides is provided with the locating slot housing lock catch arm, locating slot Front end connects with butt hole, and described lock catch arm front end has the snap close protuberance protruding into butt hole.

USB c-type electric connector the most according to claim 7, it is characterised in that: the weld part arrangement of described conducting terminal For two rows, stagger about two afterbodys of described grip tab, align with about the weld part of conducting terminal respectively.

USB c-type electric connector the most according to claim 1, it is characterised in that: the described shielding sheet left and right sides also bends There is the embedded chip interfixed with insulating body.

USB c-type electric connector the most according to claim 1, it is characterised in that: described conducting terminal also includes that connection connects Contact portion and the fixed part of weld part, described fixed part is embedded in collets, and described collets are assembled in forward in insulating body, Described contact site extends anteriorly out collets, and described weld part extends back collets.