KR20090009858U - Electrical connector - Google Patents

Abstract

The present invention relates to an electrical connector, comprising: an electrically insulating housing having a flattening member held in a front extension receiving opening chamber, and mounted on the top and bottom surfaces of the flattening member, respectively, and extending from a rear surface of the electrically insulating housing, respectively. An inductive terminal bonded to the circuit board, and a metal shielding cell mounted in the housing to protect against external electromagnetic noise, the metal shielding cell having a central opening for insertion of a matching electrical plug, an electrical fastening member for fastening to the outer board member Two mounting plates that rest against the front of the insulated housing and remain outward, each mounting plate each supporting member extending rearward from the bottom to stop relative to the circuit board to which the induction terminal is bonded; Has mounting holes for mounting.

Description

 Electrical connector {ELECTRICAL CONNECTOR}

The present invention relates to an electrical connector, and more particularly, to an electrical connector having a metal shielding cell mounted in an electrically insulating housing to facilitate installation of the electrical connector on an outer board member and to protect the electrical connector against magnetic noise.

With the rapid development of audio-video related technologies, many advanced audio and video players, high-power LCD monitors and digital TVs continue to be created and brought to market. State-of-the-art multimedia electrical products have a relatively large data storage capability and are good for quality, sophistication, color and sound. Moreover, LCD monitors, TVs, and plasma TVs use digital signals. Conventional D-sub connectors for computers cannot be used in advanced LCD monitors and TVs and plasma TVs. Therefore, digital video interactive (DVI) has evolved. DVI allows full screen, full motion video, as well as stereo audio, still images, and graphics to be displayed on a computer, enabling data aggregation and better video play.

In the fashion of home theater, most homes have stereo systems, speaker systems, DVD players, digital TVs, and other audio and video systems. As a result, different transmission lines are needed for the connection between different audio and / or video devices for signal or data transmission. For example, a TV can have many audio and video lines connected to it. These signal and data transmission lines may require large installation space and become entangled. To overcome these problems, high-definition multimedia interface (HDMI) has evolved. HDMI is a compact audio / video connector interface for transmitting uncompressed digital streams. Like DVI, HDMI achieves high-bandwidth digital content protection (HDCP) while transmitting digital audio and video content. Moreover, HDMI connects digital audio / video sources such as set-top boxes, disc players, personal computers, video game consoles, and AV receivers to be compatible with digital audio devices, computer monitors, and digital TVs. Moreover, the HDMI cable supports up to 8 channels of digital audio for TV or PC video formats.

Commercial HDMI connectors typically consist of metal cell modules and inductive terminal modules. The metal cell module may have various shapes of a flanged frame for fastening. This conventional HDMI connector uses many parts and requires high manufacturing cost.

9 shows an improved structure of the HDMI connector. According to this design, the HDMI connector consists of an electrically insulating body (A), a set of induction terminals (B) installed on the electrically insulating body (A), and a metal cell (C) around the electrically insulating body (A). The electrically insulating body A includes a flat terminal holder member A1 protruding from the front, a plurality of terminal grooves A11 formed on the top and bottom surfaces of the flat terminal holder member A1, and a flat terminal holder member A1. The bottom plate A2 is spaced below and holds the metal cell C in place. The induction terminal B is inserted through the rear face of the electrically insulating body A, and is located in the terminal groove A11 in the flat terminal holder member A1, respectively. The metal cell C has an upper mounting flange C2 with a receiving hole C1 for insertion of an electrical plug and a spiral hole C21 for mounting. The HDMI connector of this structure has the following disadvantages. When the HDMI connector is fastened to the rear face of the board member by the fastening member, it is difficult to maintain the spiral hole C21 of the upper mounting flange C2 in exact alignment with the mounting aperture on the board member for mounting the fastening member. Therefore, an external force must be applied to keep the top mounting flange C2 in place, and the spiral holes C21 of the top mounting flange C2 in the correct alignment with the mounting holes on the board member for the installation of the fastening members. Must be maintained. Therefore, improvement is required in this respect.

The present invention is to overcome the above-mentioned conventional problems, an object of the present invention is to facilitate the installation of the electrical connector on the outer board member and to provide a metal shielding cell mounted in the electrical insulation housing to protect the electrical connector against magnetic noise. To provide an electrical connector.

As an example of the electrical connector according to the present invention, the electrical connector is installed on a circuit board, fastened to a board member for connection of a matching electrical plug, and comprises a housing, an induction terminal and a metal shielding cell. The housing is composed of a front retaining receiving opening chamber and a flat retaining member held in the front extending receiving opening chamber. Induction terminals are respectively mounted on the top and bottom surfaces of the flattening member in the receiving opening chamber and respectively extend from the rear surface of the housing and electrically bonded to the circuit board. A metal shielding cell is mounted in the receiving opening chamber of the housing to protect against external electromagnetic noise; A central opening for receiving a flat retaining member for insertion of a matching electrical plug, two mounting plates held out of the housing and respectively stationary relative to the front face of the housing, and opposite sides of the mounting plate and the metal shielding cell; It consists of two connecting arms, each connected between them. Each mounting plate extends rearward from the mounting aperture and bottom surface and stops against the circuit board through the front and rear surfaces corresponding to the respective mounting aperture of the board member for mounting the respective fastening member. With support arms.

According to another embodiment of the present invention, the housing is molded directly from the electrically insulating material, thereby reducing the cost. Moreover, each positioning unit of the housing has a transverse width that is relatively smaller than the transverse width of the mounting plate of the metal shielding cell. After installation of the metal shielding cell in the housing, a part of each mounting plate and the connecting arm of the metal shielding cell respectively stop relative to the positioning unit, and the mounting apertures of the mounting plate are respectively arranged to align with the recesses of the positioning unit. Promote the mounting of electrical connectors. The design of the positioning unit significantly reduces the material consumption of the electrically insulating housing.

According to yet another embodiment of the present invention, the induction terminal includes a plurality of first induction terminals and one or more second induction terminals, each of the first induction terminals having a base and one end of a base of each first induction terminal. A front contact portion extending forward from and positioned in a terminal groove of the flattening member, and a first soldering portion extending downward from an opposite end of the base of each first inductive terminal to bond to a circuit board, each of the second The induction terminal has a base, a first arm extending downward from one end of the base of each second induction terminal to bond to the circuit board, and a branch arm extending vertically from the top of the first soldering portion of each second induction terminal. A free end of the branch arm parallel to the first soldering portion of each second inductive terminal for bonding of the circuit board, and It is constituted by a second soldering extending downward. The flat retaining member further comprises a plurality of retaining holes respectively located on each front surface of the terminal groove, wherein the front contact of each of the first induction terminals at the positioning tip to engage the retaining hole of the flat retaining member. It has a front end that ends.

The present invention comprises an electrical insulation housing (1), an inductive terminal set (2) mounted on an electrical insulation housing (1), and an electrical shield consisting of a metal shielding cell (3) mounted on an electrical insulation housing (1) for electromagnetic interference (EMI). A connector, the electrically insulating housing 1 having respective recesses corresponding to the respective spiral holes 51 of the flattening member 11 and the board member 5 held in the front extending receiving opening chamber 10. Two positioning units 13 defining 131 and symmetrically positioned on opposite sides; The metal shielding cell 3 is connected to opposite sides with a central opening 31 for insertion of a matching electrical plug 7, two connecting arms 32, respectively, and positioning of the electrically insulating housing 1 at the front face. Two mounting plates 33 respectively supported on the unit 13; And two support arms 332 extending rearward from the mounting plate 33 at the bottom and ending at each plug rod 333 for bonding to the circuit board 4 for grounding. When fastening the mounting plate 33 of the metal shielding cell 3 of the electrical connector to the board member 5 with the fastening member 6, the front pressure is applied to the metal shielding cell 3 with respect to the circuit board 4. The supporting arms 332 of the metal shielding cell 3 are respectively stopped relative to the circuit board 4 and prevent the positional deformation of the metal shielding cell 3. Therefore, the electrical connector can be fastened correctly and correctly to the circuit board 5.

What has been described above is just one embodiment for implementing the electrical connector according to the present invention, the present invention is not limited to the embodiment, the subject matter of the present invention as claimed in the following utility model registration claims Without departing, anyone with ordinary knowledge in the field to which the present invention belongs will have a technical spirit of the present invention to the extent that various modifications can be made.

1 is a perspective view of an electrical connector according to the present invention

2 is an exploded perspective view of the electrical connector according to the present invention

Figure 3 shows the structure of the induction terminal set, a partial perspective view of the present invention

4 is a partially enlarged perspective view of an electrical connector according to the present invention;

Figure 5 shows the installation of the electrical connector in the circuit board and board member, side cross-sectional view of the present invention

FIG. 6 is a corresponding view of FIG. 5 showing an installed fastening member. FIG.

7 shows the installation of the matching electrical plug I and a cross-sectional view of the present invention.

8 shows the installation of the matching electrical plug II and a cross-sectional view of the present invention.

9 is an exploded perspective view of a conventional electrical connector

<Explanation of symbols for the main parts of the drawings>

1: electrical insulation housing 2: induction terminal set

3: metal shielding cell 4: circuit board

5 board member 6 fastening member

7: electric plug 10: receiving opening chamber

11 flat holding member 12 stop block

13: positioning unit 21: base

22: front contact portion 23: the first soldering portion

24: branch arm 25: the second soldering portion

31 center opening 32 connecting arm

33: mounting plate 51: spiral hole

71: induction terminal 111: terminal home

112: holding hole 121: inclined guide surface

131: recess 221: positioning tip

311: spring-loaded holding arm 312: slot

313: bonding leg 331: mounting hole

332 support arm 333 plug rod

3111: terminal groove 3121: positioning rod

1 to 3 and 7, the electrical connector according to the present invention consists of an electrically insulating housing 1, an induction terminal set 2 and a metal shielding cell 3.

The electrically insulating housing 1 is entirely made of an electrically insulating material, and includes a receiving opening chamber 10 extending to one side, that is, a front surface of the electrical insulating housing 1, and a flat holding member supported by the receiving opening chamber 10. (11), two sets of terminal grooves 111 formed on the top and bottom walls of the flattening member 11 and extending rearward through the opposing surfaces, ie extending to the rear surface of the electrically insulating housing 1, at one end That is, a plurality of retaining holes 112 formed in the upper and bottom walls of the flat retaining member 11 at each front end of the terminal groove 111 (see FIG. 7), the inner surface of the upper wall of the electrically insulating housing 1, respectively. A plurality of stop blocks 12 protruding from each other and held on top of the flattening member 11 and two positioning units 13 symmetrically located on both sides of the electrically insulating housing 1. Each stop block 12 has a rear downwardly inclined guide surface 121. Each positioning unit 13 has a recess 131 located on the outer surface and extending through the front and rear surfaces for mounting.

The induction terminal set 2 has multiple induction terminals each having a base 21 and two different heights and arranged alternately in two rows, and extending forward from one end of the base 21 and positioning tips 221. And a first soldering portion 23 extending downward from the other end of the base 21.

The metal shielding cell 3 protrudes from the central opening 31 extending through the front and rear surfaces, the top and the bottom walls of the metal shielding cell 3, respectively, and are retained in the central opening 31 at the top and bottom surfaces. Spring retaining arms 311, a plurality of slots 312 each cut through the upper wall of the metal shielding cell 3 from the rear with respect to the spring retaining arms 311, of the slots 312 at a predetermined angle. A plurality of positioning rods 3121 protruding upwardly upward from the upper wall of the metal shielding cell 3 at the rear face, a plurality of bonding legs 313 extending rearward from the rear face of the metal shielding cell 3, both Two mounting plates 33 symmetrically positioned on opposite sides and two connecting arms 32 respectively connected between the two opposite side sidewalls of the metal shielding cell 3 and the mounting plate 33. Each mounting plate 33 is a mounting through hole 331 corresponding to the recessed portion 131 of the positioning unit 13 of the electrically insulating housing 1, and extends vertically rearward from the bottom and plug rod 333. Has a support arm 332 ending at

During installation, the induction terminal set 2 is installed in the flat retaining member 11 inside the electrically insulating housing 1, and the front contact 22 of the induction terminal of the induction terminal set 2 is each a terminal groove 111. The positioning tips 221 of the front contact 22 are respectively fastened to the retaining holes 112, and the metal shielding cell 3 is inserted into the receiving opening chamber 10 of the electrically insulating housing 1. , The flattening member 11 of the electrically insulating housing 1 is received in the central opening 31 of the metal shielding cell 3, and the positioning rod 3121 of the metal shielding cell 3 stops 12. The inclined guide surface 121 moves upward, and stops at the rear surface of the stop block 12. At this time, the two mounting plates 33 of the metal shielding cell 3 respectively have respective support arms 332 and respective recesses 131 attached to respective bottom surfaces of the positioning unit 13, respectively. Each mounting hole 331 facing each other and the respective front surface of the positioning unit 13 stop.

Referring again to FIGS. 4, 2 and 7, the induction terminals of the induction terminal set 2 comprise at least one specific induction terminal which is not for electrical connection with the matching electrical plug 7 for data transmission. Therefore, certain induction terminals do not have the front contact 22 described above. Moreover, the specific induction terminal of the induction terminal of the induction terminal set 2 is approximately parallel to each of the first soldering portion 23 and the first soldering portion 23 and extends downward from the free end of the branch arm 24. It has a branch arm 24 extending vertically from the second soldering portion 25. Because of the design of a particular induction terminal, the induction terminal set 2 has the desired number of soldering portions for mounting.

Referring again to FIGS. 5, 6 and 2, during application, the electrical connector is connected to the plug rod 333 and the bonding leg of the metal shielding cell 3 in each mounting hole (not shown) in the circuit board 4. Circuit board 4 by bonding 313 and bonding the first and second soldering portions 23, 25 of the induction terminal of the induction terminal set 2 to respective contacts (not shown) in the circuit board 4. Is installed on. Then, the electrical connector is attached to the board member 5 by mounting the mounting plate 33 of the metal shielding cell 3 on the rear face of the board member 5, and the mounting hole 331 is attached to the board member 5. Each of the fastening members 6, each of the spiral holes 51 of the board member 5, each of the mounting holes 331 of the metal shielding cell 3, and the electrical Engage with each recess 131 of the positioning unit 13 of the insulating housing 1. The mounting plate 33 of the metal shielding cell 3 is stopped between the positioning unit 13 of the electrically insulating housing 1 and the board member 5, respectively, and the supporting arm 332 of the mounting plate 33 is Since the respective stops with respect to the circuit board 4, the fastening member 6 is mounted with each of the spiral holes 51 of the board member 5 and each of the metal shielding cells 3 without changing the position of the mounting plate 33. The recesses of the positioning unit 13 of the through hole 331 and the electrically insulating housing 1 are fastened conveniently and accurately.

Moreover, each positioning unit 13 has a transverse width that is relatively smaller than the transverse width of the mounting plate 33 of the metal shielding cell 3. After installation of the metal shielding cell 3 in the electrically insulating housing 1, a part of each mounting plate 33 of the metal shielding cell 3 and the connecting arm 32 respectively stop relative to the positioning unit 13. The mounting holes 331 of the mounting plate 33 are respectively arranged to align with the recesses 131 of the positioning unit 13 to facilitate mounting of the electrical connector. The design of the positioning unit 13 significantly reduces the material consumption of the electrically insulating housing 1 while supporting the mounting plate 33 in place.

Referring again to FIGS. 8 and 2 and 5 to 7, the matching electrical plug 7 is inserted into the central opening 31 of the metal shielding cell 3 so that each induction terminal of the matching electrical plug 7 ( 71 is brought into contact with the front contact 22 of the induction terminal of the induction terminal set 2. Since the positioning tips 221 of the induction terminals of the induction terminal set 2 are respectively fastened to respective retaining holes 112 in the electrically insulating housing 1, the matching electrical plug 7 is attached to the metal shielding cell 3. Inserting into the central opening 31 of the induction terminal 71 so that each induction terminal 71 of the matching electrical plug 7 is in contact with the front contact 22 of the induction terminal of the induction terminal set 2 is Extends the endurance life of the electrical connector without deforming the front contact 22 of the induction terminal.

Furthermore, after installation of the induction terminal set 2 in the electrically insulating housing 1, the first soldering portion 23 and the second soldering portion 25 of the induction terminal of the induction terminal set 2 are formed of a metal shielding cell 3. Respectively located on the rear face of the electrically insulating housing 1 opposite to each other, the bonding legs 313 of the metal shielding cell 3 respectively extending from the receiving opening chamber 10 through the rear wall of the electrically insulating housing 1. do. During installation of the electrical connector on the circuit board 4, the first soldering part 23 and the second soldering part 25 of the induction terminal of the induction terminal set 2 are electrically bonded to each contact on the circuit board 4. The bonding legs 313 of the metal shielding cell 3 are each bonded to the circuit board 4 and grounded to protect against electromagnetic noise.

Moreover, when inserting the metal shielding cell 3 into the receiving opening chamber 10 of the electrically insulating housing 1, the positioning rod 3121 of the metal shielding cell 3 is inclined guide surface of the stop block 12. (121) is moved upward and stopped at the rear face of the stop block 12, to prohibit rearward deformation of the metal shielding cell 3 with respect to the electrically insulating housing 1. Therefore, the metal shielding cell 3 is firmly fastened inside the electrically insulating housing 1, and the insertion and withdrawal of the matching electric plug 7 causes the positional deformation of the metal shielding cell 3 with respect to the electrically insulating housing 1. Will not cause.

Claims (11)

A housing made up of the front extension receiving opening chamber and the flattening member held in the front extension receiving opening chamber; A plurality of induction terminals mounted on the top surface and the bottom surface of the flattening member in the receiving opening chamber, respectively, extending from a rear surface of the housing and electrically bonded to a circuit board; Mounted to a receiving opening chamber of the housing to protect against external electromagnetic noise; A central opening for receiving a flat retaining member for insertion of a matching electrical plug, two mounting plates held out of the housing and respectively stationary relative to the front face of the housing, and opposite sides of the mounting plate and the metal shielding cell; Metal shielding cell consisting of two connecting arms each connected between Consists of, Each mounting plate extends rearward from the mounting aperture and bottom surface and stops against the circuit board through the front and rear surfaces corresponding to the respective mounting aperture of the board member for mounting the respective fastening member. An electrical connector having a support arm. The method of claim 1, And a support arm of each mounting plate of the metal shielding cell has a trailing end at the end of the plug rod for bonding to the circuit board. The method of claim 1, The housings are located symmetrically on two opposing sides and respectively stop for each part of the mounting plate of the adjacent metal shielding cell of the connecting arm, and the positioning unit is attached to the metal to attach the metal shielding cell to the board member. And an concave portion corresponding to the metal shielding cell to receive each fastening member to be fastened to the mounting through hole of the mounting plate of the shielding cell. The method of claim 1, The housing further includes a plurality of stop blocks protruding from an inner surface of the upper wall and held above the flattening member, wherein the metal shielding cell includes a plurality of slots cut through the top wall and a slot of the metal shielding cell. And a plurality of positioning rods each extending from the top wall of the metal shielding cell at each rear surface and respectively stopping with respect to each rear surface of the stop block of the housing. The method of claim 4, wherein Each stop block of the housing has an inclined guide surface for guiding each positioning rod of the metal shielding cell to engage the stop block of the housing. The method of claim 1, And the flat retaining member of the housing comprises a plurality of terminal grooves located on the top and bottom surfaces for positioning of the induction terminal. The method of claim 1, The induction terminal comprises a plurality of first induction terminals and one or more second induction terminals, Each of the first induction terminals extends forward from one end of the base of each first induction terminal and is located in the terminal groove of the flat retaining member, and each of the first induction terminals to bond to the circuit board. It consists of a first soldering portion extending downward from the opposite end of the base of, Each of the second induction terminals is perpendicular to the base, a first soldering portion extending downward from one end of the base of each second induction terminal to bond to the circuit board, and a top of the first soldering portion of each second induction terminal; And a second soldering portion extending downward from the free end of the branch arm parallel to the first soldering portion of each second induction terminal for bonding the circuit board. The method of claim 7, wherein The flat retaining member further comprises a plurality of retaining holes respectively located on each front surface of the terminal groove, wherein the front contact of each of the first induction terminals at the positioning tip to engage the retaining hole of the flat retaining member. An electrical connector having a front end that terminates. The method of claim 1, And said metal shielding cell comprises a plurality of spring-loaded retaining arms, each protruding from an upper and a bottom wall and respectively pressed onto an induction terminal of a matching electrical plug against a flat retaining member of said housing. The method of claim 1, And the metal shielding cell comprises a plurality of bonding legs each extending from a rear surface to bond to the circuit board for grounding. The method of claim 1, The housing is molded into an electrically insulating housing.