TWM485544U - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to a reinforced and grounded structure of an electrical connector.

The Chinese patent CN201220460407.9 discloses a socket connector, comprising an insulating body, a conductive terminal and a reinforcing plate held in the insulating body, a metal casing sleeved outside the insulating body, and a metal casing shielded from the metal casing; The insulative housing includes a main body portion and a tongue plate extending forward from the main body portion, and the upper surface of the tongue plate is provided with a terminal receiving groove; the conductive terminal is provided with a contact portion, a soldering portion, and a connection between the connecting contact portion and the soldering portion The contact portion is received in a corresponding terminal receiving groove, the soldering portion protrudes out of the insulating body; the reinforcing plate is fixed on the lower surface of the tongue plate, and comprises a body portion and is connected to the body portion The holding portion extending to both sides and the soldering leg extending downward from both ends of the holding portion can be grounded by connecting the soldering leg on the reinforcing plate with the grounding line on the circuit board, thereby enhancing the electromagnetic of the reinforcing plate Shielding effect. In order to achieve grounding, the reinforcing plate of the socket connector must have a grounding pad on the circuit board, which affects the circuit layout on the circuit board, which is characterized by poor adaptability and high implementation cost. It can be seen that it is necessary to improve the existing electrical connectors.

Accordingly, it is an object of the present invention to provide an electrical connector that overcomes the deficiencies of the prior art described above without having to change the layout on the board, is adaptable, and is inexpensive to implement.

Therefore, the electrical connector of the present invention comprises an insulative housing, a plurality of conductive terminals fixed on the insulative housing, a reinforcing component embedded in the insulative housing, and a shielding housing sleeved on the outer circumference of the insulating body. The body has a body and a tongue extending forwardly from the body, the shielding shell surrounding the tongue plate and forming a pair of connecting cavities, each of the conductive terminals including a pair of joints disposed on the tongue plate and the slave a reinforcing portion extending outwardly from the body; the reinforcing member is made of a conductive metal, and the reinforcing member includes a body coupled to the tongue plate, bent and extended from the body and embedded in the insulation a fixing portion in the main body of the main body and a grounding portion further extending from the fixing portion, wherein the grounding portion is electrically connected to the shielding housing.

Wherein, the grounding portion of the reinforcing component is exposedly disposed on a surface of the main body of the insulative housing; the shielding shell can be correspondingly fixed to a circuit board and grounded through the circuit board, so that the reinforcing component is also grounded.

Wherein, the shielding shell protrudes toward the grounding portion of the reinforcing component by at least one bump, and the bump of the shielding shell is in direct contact with the grounding portion of the reinforcing component to be electrically connected.

The shielding housing includes a top wall, a bottom wall, two side walls connected between the top wall and the bottom wall, and a plurality of positioning legs extending downward from the two side walls, wherein the positioning legs can Corresponding to the electric The circuit board and the shield housing are grounded through the circuit board.

The tongue plate has a first side surface and a second side surface, and the second side surface is formed with a plurality of terminal receiving grooves extending forward and backward; the body of the reinforcing element is fixed to the first of the tongue plate Side surface.

The body of the reinforcing element is provided with at least one fixing hole; the tongue of the insulating body protrudes from at least one fixing column that cooperates with the at least one fixing hole.

Wherein, the reinforcing component further comprises two rear gripping portions extending outwardly and outwardly from opposite sides of the grounding portion; the surface of the main body of the insulating body is concavely disposed with the two rear gripping portions respectively Two matching grooves that match.

The fixing portion of the reinforcing member includes a first fixing arm and a second fixing arm which are vertically bent away from the rear end of the body by a rear end; the grounding portion of the reinforcing member is the first a rear end of the fixed arm and the second fixed arm further extending horizontally rearward; the reinforcing member further includes a rear end extending horizontally from the rear end of the body and between the first fixed arm and the second fixed arm An extension portion; wherein the conductive terminals comprise adjacent two conductive terminals for transmitting signals, the extension being located on a vertical side of the two conductive terminals for transmitting signals.

In one embodiment, the reinforcing member further includes a front grip portion extending from the front end of the body further in a vertical direction, the front grip portion being embedded at a position near the front end of the tongue plate, wherein the reinforcing member A plurality of openings are formed through the front grip portion.

In another embodiment, the stiffening element further comprises A front grip portion of the front end of the body is bent vertically, and the front grip portion further has a plurality of barbs extending rearwardly, the front grip portion correspondingly covering the front end edge of the tongue plate.

Compared with the prior art, the electrical connector of the present invention can easily realize the grounding of the reinforcing component by directly connecting the reinforcing component to the shielding case; it is not necessary to add a corresponding grounding welding specifically for the reinforcing component on the circuit board. Point, good adaptability and low implementation cost.

1,1‧‧‧Insulated body

11‧‧‧ Subject

111‧‧‧Upper surface

12,12a‧‧‧ tongue board

121,121a‧‧‧Terminal receiving slot

123‧‧‧Scratch column

124,124a‧‧‧ partition wall

125,125a‧‧‧ front end

126‧‧‧Positioning holes

128‧‧‧Upper surface

129‧‧‧lower surface

13‧‧‧storage trough

15‧‧‧ grasping slot

16‧‧‧ Positioning block

2‧‧‧Electrical terminals

21‧‧‧Docking Department

22‧‧‧Weld Department

3,3a‧‧‧Strength components

31‧‧‧Ontology

313‧‧‧Scratch hole

316‧‧‧Positioning holes

32‧‧‧ Fixed Department

321‧‧‧First fixed arm

322‧‧‧Second fixed arm

33‧‧‧ Grounding Department

34, 34a‧‧‧Previous grip

341‧‧‧ openings

342a‧‧‧ Barb

35‧‧‧ After the grip

36‧‧‧Extension Department

4‧‧‧Shield housing

41‧‧‧ top wall

42‧‧‧ side wall

43‧‧‧ bottom wall

44‧‧‧ positioning feet

45‧‧‧ buckle arm

47‧‧‧ card slot

48‧‧‧ bumps

9‧‧‧ docking chamber

S1, S2‧‧‧ Conductive terminals for transmission signals

W1, W2‧‧‧ width dimensions

The above and other features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments of the accompanying drawings in which: FIG. 1 is a perspective view of the first preferred embodiment of the present invention; FIG. 1 is a plan view of a first preferred embodiment of the present invention; FIG. 3 is a cross-sectional view taken along line AA of FIG. 2; FIG. 4 is a perspective view of the first preferred embodiment of the present invention. FIG. 5 is an exploded perspective view of another perspective view of the first preferred embodiment of the present invention; FIG. 6 is a top view of the first preferred embodiment of the present invention after the shield housing is removed Figure 7 is a further exploded perspective view of a first preferred embodiment of the present invention after the shield housing is removed; Figure 8 is a first preferred embodiment of the novel electrical connector with the shield removed A further exploded perspective view of another perspective after the body; Figure 9 is a second preferred embodiment of the novel electrical connector with the shield removed FIG. 10 is an exploded perspective view of the second preferred embodiment of the present invention after removing the shielded housing; FIG. 11 is a second preferred embodiment of the present invention. An exploded view of another perspective view after shielding the housing; and FIG. 12 is a further exploded perspective view of the second preferred embodiment of the present electrical connector with the shielding housing removed.

The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments.

Although the present invention can be readily embodied in various forms, the specific embodiments shown in the drawings and described in detail in the specification are only The exemplary description of the novel principles is not intended to limit the invention to what is described herein.

Thus, a feature indicated in this specification will be used to illustrate one of the features of one embodiment of the present invention, and is not intended to suggest that each embodiment of the present invention must have the features described. Moreover, it should be noted that this specification describes a number of features. Although certain features may be combined together to illustrate possible system designs, these features are also applicable to other combinations not explicitly illustrated. Accordingly, the illustrated combinations are not intended to be limiting, unless otherwise indicated.

In the embodiment shown in the figures, an indication of direction (such as The structures and movements of the various elements used to explain the novel are not absolute but relative. These instructions are suitable when these elements are in the position shown in the figures. If the description of the position of these elements changes, then these direction indications also change accordingly.

The two preferred embodiments of the present invention are further elaborated below in conjunction with the drawings of the present specification. Referring to Figures 1 through 8, a first preferred embodiment of the present electrical connector is preferred. The electrical connector is preferably a Micro-USB connector. The electrical connector generally includes an insulative housing 1 , a plurality of conductive terminals 2 fixed on the insulative housing 1 , a reinforcing component 3 embedded in the insulative housing 1 , and a shielding shell sleeved on the outer periphery of the insulative housing 1 . Body 4.

Referring to Figures 4 to 8, the insulative housing 1 is injection molded. The insulative housing 1 includes a body 11 and a tongue 12 extending forwardly from the body 11. The upper surface 111 of the top portion of the main body 11 is recessed to form a receiving groove 13 and two holding grooves 15 respectively located on the two sides of the receiving groove 13 . The main body 11 has two positioning blocks 16 protruding upward. The two positioning blocks 16 are correspondingly disposed across the two gripping grooves 15 . The tongue plate 12 has an opposite upper side surface 128 (first side surface) and a lower side surface 129 (second side surface). The upper surface 111 of the top of the body 11 is higher than the upper side surface 128 of the tongue plate 12. A plurality of terminal receiving grooves 121 are formed in the lower side surface 129 so as to extend forward and backward. A partition wall 124 is formed between the two adjacent terminal receiving grooves 121. In this embodiment, there are five terminal receiving slots 121 and four partition walls 124. The tongue plate 12 also has a plurality of positioning holes 126 extending therethrough. The positions of the positioning holes 126 are opposite to the positions of the terminal receiving slots 121. should.

Referring to Fig. 7, these conductive terminals 2 are formed by stamping and bending of a metal material. These conductive terminals 2 are preferably integrally embedded and fixed to the insulative housing 1 by insert molding. Each of the conductive terminals 2 includes a pair of joint portions 21 that are mounted in the terminal receiving grooves 121 of the tongue plate 12, and a welded portion 22 that extends rearward from the butt portion 21 and projects outwardly from the body 11. These conductive terminals 2 have a total of five, including adjacent two conductive terminals S1, S2 for transmitting signals (as shown in Figure 7).

Referring to Figures 3, 7, and 8, the stiffening element 3 is stamped and formed from a conductive metal material. The reinforcing member 3 includes a body 31 coupled to the tongue plate 12, and a fixing portion 32 extending from the rear end of the body 31 and embedded in the main body 11 and extending further backward from the fixing portion 32. a grounding portion 33, a front grip portion 34 which is further bent downwardly from the front end of the main body 31, and two rearward and outwardly extending sides of the ground portion 33 The grip portion 35 and an extension portion 36 extending horizontally rearward from the rear end of the body 31. Specifically, the body 31 has a flat shape and is embedded and fixed to the upper side surface 128 of the tongue plate 12. The center of the body 31 is provided with two grasping holes 313 corresponding to the two fixing posts 123 on the tongue plate 12 so as to firmly fix the position of the body 31 on the tongue plate 12. A plurality of positioning holes 316 are also formed in the main body 31. The positions of these positioning holes 316 correspond to the positions of the positioning holes 126 on the tongue plate 12. The fixing portion 32 includes a first fixing arm 321 and a second fixing arm 322 which are extended rearward from the rear end of the body 31 and are bent upward in the vertical direction. The fixing portion 32 is not in the axial direction The symmetrical arrangement, specifically, the width dimension W1 of the first fixing arm 321 is smaller than the width dimension W2 of the second fixing arm 322. The ground portion 33 has a flat shape and is further horizontally extended rearward by the rear ends of the first fixing arm 321 and the second fixing arm 322. The ground portion 33 is exposed on the upper surface 111 of the main body 11. Specifically, the ground portion 33 is correspondingly received in the receiving groove 13 of the main body 11, and the upper surface of the ground portion 33 is exposed. The front grip portion 34 is bent downwardly and is correspondingly embedded at a position where the tongue plate 12 approaches the front end 125 (see FIG. 3). Specifically, the front grip portion 34 is provided with a plurality of openings 341 through which the bonding strength of the reinforcing member 3 and the tongue plate 12 can be increased. The extension 36 extends from between the first fixed arm 321 and the second fixed arm 322. The extension portion 36 has a flat shape corresponding to the vertical side (or directly above the position) of the two transmission signal conducting terminals S1, S2.

Referring to Figures 4 and 5, the shield case 4 is stamped and formed from a metal material. The shielding housing 4 is surrounded by the tongue 12 of the insulative housing 1 and forms a pair of cavities 9, which can correspondingly receive another mating connector (not shown). The shielding shell 4 includes a top wall 41, two side walls 42 extending downwardly from opposite sides of the top wall 41, and a bottom wall 43 formed by the bottom ends of the two side walls 42 extending from each other. The two side walls 42 extend downwardly from the plurality of positioning legs 44 and the two latching arms 45 which are bent downwardly from the rear ends of the top wall 41. Specifically, the top wall 41 is formed with two card slots 47 on the inner sides of the two latch arms 45. The two card slots 47 can be snap-fitted with the two positioning blocks 16 on the main body 11 of the insulative housing 1 . The rear end of the top wall 41 protrudes inwardly from each other Two bumps 48 spaced apart (in other embodiments, the bumps 48 can also be changed to downwardly extending resilient arms), the two bumps 48 being in electrical contact with the upper surface of the grounding portion 33 of the stiffening element 3 Thereby, the electrical connection of the stiffening element 3 to the shielding shell 4 is achieved. The shield case 4 can be grounded by means of a positioning leg 44 thereon and a ground pad on a circuit board (not shown), so that the grounding of the stiffening element 3 can be achieved by the shield case 4.

The assembly process of the electrical connector of the present invention generally comprises: first putting the conductive terminals 2 and the reinforcing member 3 together into an injection mold (not shown), and at this time, the positioning column on the injection mold (not shown) It is shown that the positioning hole 316 passing through the reinforcing member 3 is pressed against the conductive terminal 2, thereby achieving the effect of firmly positioning the conductive terminal 2 and the reinforcing member 3 on the injection mold, and then injecting the molten plastic material. Forming the insulative housing 1 to integrally bond the conductive terminals 2 and the reinforcing member 3 to the insulative housing 1; then, inserting the shield housing 4 from the front direction of the insulative housing 1 into the insulative housing 1 and the conductive In the combination of the terminal 2 and the reinforcing member 3 (the latching arm 45 is in a straight state at this time); finally, the latching arm 45 is stamped and bent, so that the shielding shell 4 is firmly sleeved on the insulating body 1. Can't get out.

Compared with the prior art, the beneficial effects of the electrical connector of the present invention include: by forming the grounding portion 33 on the reinforcing member 3, and electrically connecting the grounding portion 33 with the shielding case 4, thereby passing through the shielding case 4 The upper positioning leg 44 is grounded, so that the body 31 of the reinforcing component 3 can provide a better shielding effect, and it is not necessary to additionally add a grounding pad to the reinforcing component 3 on the circuit board, so that the circuit board is not affected. Line layout, The adaptability is good and the implementation cost is low; on the other hand, the electrical contact with the ground portion 33 is achieved by forming the two bumps 48 downwardly on the top wall 41 of the shield case 4, so that the grounding effect is better; By forming the extension portion 36 on the reinforcing member 3 to shield the two transmission signal conductive terminals S1, S2 from above, crosstalk can be reduced to improve signal transmission quality; in addition, the front grip portion 34 is formed on the reinforcing member 3. And a structural design such as a fixing hole 313 is provided on the body 31 of the reinforcing member 3, and the bonding strength between the reinforcing member 3 and the insulating body 1 can be enhanced.

9 to 12 are a second preferred embodiment of the present invention, which differs from the first preferred embodiment in that the front grip portion 34a of the reinforcing member 3a is wrapped around the tongue plate 12a. The front end of 125a. Specifically, the front grip portion 34a of the reinforcing member 3a has four barbs 342a extending vertically downward and rearward, and each barb 342a is correspondingly received in the terminal of the tongue plate 12a of the insulative housing 1a. At the front end edge of the partition wall 124a on both sides of the groove 121a. By these barbs 342a, the bonding strength between the reinforcing member 3a and the front end 125a of the tongue 12a of the insulative housing 1a can be increased, and the front end 125a of the tongue 12a can be protected to prevent the tongue 12a of the electrical connector. Damaged when plugged into another docking connector.

However, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, the simple equivalent changes and modifications made in accordance with the scope of the present patent application and the contents of the patent specification, All remain within the scope of this new patent.

11‧‧‧ Subject

12‧‧ ‧ tongue

125‧‧‧ front end

2‧‧‧Electrical terminals

31‧‧‧Ontology

32‧‧‧ Fixed Department

33‧‧‧ Grounding Department

34‧‧‧Previous grip

41‧‧‧ top wall

43‧‧‧ bottom wall

45‧‧‧ buckle arm

48‧‧‧ bumps

9‧‧‧ docking chamber

Claims (10)

An electrical connector includes an insulative housing, a plurality of conductive terminals fixed on the insulative housing, a reinforcing component embedded in the insulative housing, and a shielding housing sleeved on the outer circumference of the insulating body, the insulative housing having a body and a tongue extending forwardly from the body, the shielding shell surrounding the tongue and forming a pair of cavities, each of the conductive terminals including a pair of joints disposed on the tongue and from the body a soldering portion extending outwardly; wherein the reinforcing member is made of a conductive metal, the reinforcing member includes a body coupled to the tongue plate, bent away from the body and embedded in the insulating a fixing portion in the main body of the main body and a grounding portion further extending from the fixing portion, wherein the grounding portion is electrically connected to the shielding housing. The electrical connector of claim 1, wherein the grounding portion of the reinforcing member is exposedly disposed on a surface of the main body of the insulative housing; the shielding housing can be correspondingly fixed to a circuit board and grounded through the circuit board. Thereby the stiffening element is also grounded. The electrical connector of claim 2, wherein the shielding housing protrudes toward the grounding portion of the reinforcing member by at least one bump, and the bump of the shielding housing is in direct contact with the grounding portion of the reinforcing member to electrically Sexual connection. The electrical connector of claim 2, wherein the shielding housing comprises a top wall, a bottom wall, two side walls connected between the top wall and the bottom wall, and extending downwardly from the two side walls a plurality of positioning legs, wherein the positioning pins are correspondingly fixed to the circuit board and ground the shielding case through the circuit board. The electrical connector of any one of claims 1 to 4, wherein the tongue has an opposite first side surface and a second side surface, the second side surface being formed with a plurality of front and rear extensions a terminal receiving groove; the body of the reinforcing member is fixed to the first side surface of the tongue. The electrical connector of claim 5, wherein the body of the reinforcing member is provided with at least one grasping hole; the tongue of the insulating body protrudes from at least one grasping with the at least one grasping hole column. The electrical connector of claim 5, wherein the reinforcing member further comprises two rear grip portions extending outwardly and outwardly from opposite sides of the ground portion; the surface of the main body of the insulative housing is concave Two gripping grooves are provided respectively for mating with the two rear grip portions. The electrical connector of claim 5, wherein the fixing portion of the reinforcing member comprises a first fixing arm and a second fixing arm extending from the rear end of the body at a distance from the rear to the rear; The grounding portion of the reinforcing member is further horizontally extended rearward from the rear ends of the first fixing arm and the second fixing arm; the reinforcing member further includes a rear end of the body and the first fixing arm and the second An extension extending horizontally rearward between the fixed arms; wherein the conductive terminals comprise adjacent two conductive terminals for transmitting signals, the extension being located on a vertical side of the two conductive terminals for transmitting signals. The electrical connector of claim 5, wherein the reinforcing member further comprises a front grip portion extending further from the front end of the body, the front grip portion being embedded in the tongue plate At a position of the front end, a plurality of openings are formed through the front grip portion. The electrical connector of claim 5, wherein the reinforcing member further comprises a front grip portion extending from the front end of the body and extending longitudinally, the front grip portion further having a plurality of rearward extending portions The barb, the front grip portion is correspondingly wrapped at the front end edge of the tongue plate.