CN210779301U - Electrical connector - Google Patents

Abstract

The utility model provides an electric connector, include insulator, accept terminal group and division board in insulator, terminal group includes a plurality of row's of going up terminal and a plurality of row's of terminal down, the division board in go up the row's of terminal and arrange down between the terminal, the division board is equipped with a pair of ground connection arm and a pair of lower ground connection arm of a pair of connection of an organic whole, go up the ground connection arm with a plurality of rows of terminal of going up are located the coplanar and are located the both sides of a plurality of rows of terminal of going up, down the ground connection arm with a plurality of rows of terminal of going down are located the coplanar and are located the both sides of a plurality of rows. Compared with the prior art, the utility model discloses an improvement division board's structure makes it not only have the effect of keeping apart, but also has increased and has extended the upper and lower ground arm in the terminal range of entering, acts as the ground connection component, the signal transmission quality of row's terminal about the assurance that can be better.

Description

Electrical connector

Technical Field

The utility model relates to an electric connector field.

Background

With the trend of miniaturization and lightness of consumer electronic products such as notebook computers, tablet computers, mobile phones and the like, the requirements on the design and manufacturing process of parts of the consumer electronic products are higher and higher, and as the consumer electronic products are lighter and thinner, the space inside the consumer electronic products becomes very narrow, so that the requirement that the inside of the consumer electronic products must be densely arranged is met, and the volume of each electronic part is smaller and lighter and thinner. For some connectors for transmitting high-frequency signals, the arrangement between the terminals in the connector must be more compact due to the thin and small volume, which will certainly affect the transmission of the signals. In order to shield signal interference between terminals, a shielding element is additionally provided for many connectors, for example, in a USB connector, a metal isolation plate is usually embedded between the upper and lower rows of terminals, and the interference of the upper and lower rows of signals is isolated by the metal isolation plate. However, as the requirement for signal quality is higher and higher, the existing metal isolation plate can only provide isolation between upper and lower row signals, but cannot provide more isolation shielding effect, and it is difficult to meet the requirement of increasing electrical performance of products.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric connector to improve the not enough problem of division board shielding function among the prior art.

In order to solve the technical problem, the utility model adopts the following technical scheme: an electric connector comprises an insulating body, a terminal group and a separation plate, wherein the terminal group and the separation plate are contained in the insulating body, the terminal group comprises a plurality of upper row terminals and a plurality of lower row terminals, the separation plate is arranged between the upper row terminals and the lower row terminals, the separation plate is provided with a pair of upper grounding arms and a pair of lower grounding arms which are integrally connected, the upper grounding arms and the plurality of upper row terminals are positioned in the same plane and on two sides of the plurality of upper row terminals, and the lower grounding arms and the plurality of lower row terminals are positioned in the same plane and on two sides of the plurality of lower row terminals.

Furthermore, the isolation board is provided with a substrate, the substrate is provided with a front surface facing the upper row of terminals and a back surface facing the lower row of terminals, the upper grounding arm protrudes upwards from the front surface and extends in a long strip shape from back to front, and two ends of the upper grounding arm are integrally connected with the substrate.

Further, the base plate is provided with a slot at a position right below the upper grounding arm, the upper grounding arm and the lower grounding arm are arranged in a one-to-one correspondence manner in the vertical direction, and the slot is located between the upper grounding arm and the lower grounding arm.

Further, the upper grounding arms are formed on two sides of the front surface of the substrate in a tearing forming mode.

Furthermore, the lower grounding arm is located below the substrate and extends forward from back to front in a strip shape, the rear end of the lower grounding arm is integrally connected with the substrate through a U-shaped bending arm, and the front end of the lower grounding arm is a free tail end.

Further, the upper grounding arm and the lower grounding arm overlap in at least partial projection in the vertical direction.

Further, the insulating body is provided with a butt-joint tongue plate, the butt-joint tongue plate is provided with a top surface and a bottom surface, the upper rows of terminals and the upper grounding arms are arranged on the top surface, and the lower rows of terminals and the lower grounding arms are arranged on the bottom surface.

Furthermore, the isolation board is further provided with a first mounting foot, a second mounting foot and a third mounting foot which extend from the rear end of the substrate, the first mounting foot and the second mounting foot extend from the edge of the rear end of the substrate and are distributed along the front direction and the rear direction, and the third mounting foot extends outwards from the edges of the two sides of the substrate.

Furthermore, a notch formed by recessing backwards is formed in the edge of the front end of the substrate, and a long and narrow opening penetrating through the front surface and the back surface in the vertical direction is further formed in the substrate.

Compared with the prior art, the utility model discloses an improvement division board's structure makes it not only have the effect of keeping apart, but also has increased and has extended the upper and lower ground arm in the terminal range of entering, acts as the ground connection component, the signal transmission quality of row's terminal about the assurance that can be better.

Drawings

Fig. 1 is a perspective view of the electrical connector of the present invention.

Fig. 2 is a partially exploded view of the electrical connector of the present invention.

Fig. 3 is a schematic diagram of an upper row terminal and a lower row terminal of the electrical connector according to the present invention.

Fig. 4 is a perspective view of the electrical connector of the present invention with the front side of the isolation board facing upward.

Fig. 5 is a perspective view of the electrical connector according to the present invention with the bottom surface of the isolation board facing upward.

Fig. 6 is a schematic diagram of a single upper row terminal and a single lower row terminal of the electrical connector of the present invention.

Fig. 7 is a schematic view of an arrangement of the upper row of terminals and the lower row of terminals of the electrical connector in an installation state according to the present invention.

Detailed Description

Referring to fig. 1 to 7, the present invention provides an electrical connector, which includes an insulating housing 10, a terminal set 20 and a spacer 30 accommodated in the insulating housing 10, and a housing 40 covering the surface of the insulating housing 10, wherein the terminal set 20 and the spacer 30 are fixed in the insulating housing 10 for realizing stable transmission of signals, and the housing 40 is used for shielding external interference signals and protecting the insulating housing 10 to a certain extent. The specific structure and function of each component is described in detail below.

As shown in fig. 1 and 2, the insulating body 10 is provided with a base 11 and a tongue plate 12 extending forward from the base 11, a top surface 13 and a pair of arc-shaped wall surfaces 14 located at two sides of the top surface 13 are provided at two sides of the base 11, a plurality of grooves 15 for fastening and positioning with the housing 40 are provided on the top surface 13, and the arc-shaped wall surfaces 14 are used for attaching and mounting with the housing 40. In addition, a stopping portion 16 protruding upward is disposed at the rear side of the top surface 13, and is used for stopping the housing 40 from the rear, so as to realize the limit in the front-rear direction. The tongue 12 has a top surface 120 and a bottom surface 121 for carrying the terminal group 20, and both sides of the tongue 12 are provided with concave portions 17.

As shown in fig. 2 and 6, the terminal set 20 includes a plurality of upper rows of terminals 210 and a plurality of lower rows of terminals 220, the upper rows of terminals 210 and the lower rows of terminals 220 are the same in number and are disposed one above the other on the top surface 120 and the bottom surface 121 of the tongue plate 12, respectively, wherein the upper rows of terminals 210 have upper contact arms 211 exposed on the top surface 120 of the tongue plate 12 and L-shaped upper mounting arms 212 extending from the rear ends of the upper contact arms 211, the upper contact arms 211 extend from the rear to the front, and the front ends of the upper contact arms 211 are provided with upper embedding portions 213 for embedding inside the tongue plate 12. The lower row of terminals 220 has a lower contact arm 221 exposed to the bottom surface 121 of the tongue 12 and a lower mounting arm 222 extending from the rear end of the lower contact arm 221, the lower contact arm 221 extends forward from the rear, and the front end of the lower contact arm 221 is provided with a lower buried portion 223.

It should be noted that in the preferred embodiment of the present invention, the upper contact arm 211 is provided with an upper main arm 214 and an upper offset arm 215 extending forward from the front end of the upper main arm 214, the upper offset arm 215 and the upper main arm 214 are an integral structure, but the upper offset arm 215 is disposed to be offset toward one side of the upper main arm 214 in the horizontal plane; the lower contact arm 221 includes a lower main arm 224 and a lower offset arm 225 extending forward from a front end of the lower main arm 224, the lower offset arm 225 and the lower main arm 224 are integrally configured, and the lower offset arm 225 is offset toward one side of the lower main arm 224 in a horizontal plane. It should be noted that the upper main arm 214 and the lower main arm 224 are respectively fixed on the upper side and the lower side of the tongue plate 12, and the two arms are arranged in a staggered manner in the vertical direction, so that the projections of the two arms are not overlapped, and the lower offset arm 225 and the upper offset arm 215 are respectively arranged in a manner of deviating from the front ends of the upper main arm 214 and the lower main arm 224 in opposite directions, so that the projections of the upper offset arm 215 and the lower offset arm 225 are overlapped in the vertical direction, that is, for the upper row terminal 210 and the lower row terminal 220 corresponding to the two upper row terminal and the lower row terminal, the upper main arm 214 and the lower main arm 224 of the two arms are arranged in a staggered manner in the vertical direction, and the projections of the upper offset arm 215 and the lower offset arm 225 of the two arms extend forward from the front ends of the upper main arm 214 and the lower main arm 224 respectively and are arranged close to each other, so that the projections of the two arms are overlapped in the.

In addition, the upper embedded portion 213 is bent downward from the front end of the upper contact arm 211 and embedded in the tongue plate 12, and the lower embedded portion 223 is bent upward from the front end of the lower contact arm 221 and embedded in the tongue plate 12, so as to fix the terminal, it should be noted that, in the preferred embodiment of the present invention, the upper embedded portion 213 is provided with an upper limit arm 216 biased to the left side, and the lower embedded portion 223 is provided with a lower limit arm 226 biased to the right side, so that the upper limit arm 216 of the upper row of terminals 210 and the lower limit arm of the lower row of terminals 220 are staggered in the vertical direction, as shown in fig. 7.

It can be seen that, for the two upper row terminals 210 and the lower row terminals 220 which correspond to each other vertically, there are distributions of partial overlapping and partial staggering in the vertical direction, because the upper offset arm 215 and the lower offset arm 225 are used as electrical contact positions of the upper row terminal 210 and the lower row terminal 220, the overlapping arrangement of the two in the vertical direction is more favorable for signal transmission, and the upper mounting arm 212 and the lower mounting arm 222 are used as mounting positions of the upper row terminal 210 and the lower row terminal 220, which extend backwards out of the insulating body 10 for being soldered on a circuit board (not shown), so the staggering arrangement of the two in the vertical direction is more favorable for mounting operation.

As shown in fig. 4 and 5, the isolation plate 30 is embedded in the tongue plate 12 and is interposed between the upper row terminal 210 and the lower row terminal 220 to perform an isolation function, the isolation plate 30 is made of a metal material and is formed by integrally stamping and bending a metal plate, the isolation plate 30 is provided with a substrate 31, a first mounting leg 32, a second mounting leg 33 and a third mounting leg 34 extending from a rear end of the substrate 31, and the substrate 31 is provided with an upward front surface 35 and an upward back surface 36. The substrate 31 is provided with a pair of upper grounding arms 37 located at both sides of the front surface 35 and a lower grounding arm 38 bent and extended downward from both side edges of the front surface 35, and the front end edge of the substrate 31 is provided with a pair of notches 310 formed by backward recess, and the substrate 31 is further provided with a long and narrow opening 311 vertically penetrating the front surface 35 and the back surface 36, wherein the upper grounding arms 37 are protruded upward from the front surface 35, are long and extended forward from the back along both side edges of the substrate 31, and the lower grounding arms 38 are located below the substrate 31, are integrally connected with the substrate 31 through a U-shaped bent arm 39, and the lower grounding arms 38 are long and extended forward from the back. The first mounting pins 32 and the second mounting pins 33 extend from the rear end edge of the substrate 31 and are distributed along the front and rear directions, and are respectively located at two ends where the upper row terminals 210 are arranged and two ends where the lower row terminals 220 are arranged, the third mounting pins 34 are located at the outer sides of the first mounting pins 32 and the second mounting pins 33, and are directly inserted into the circuit board to realize electrical connection, and the third mounting pins 34 are located between the first mounting pins 32 and the second mounting pins 33 in the front and rear directions.

It should be noted that the upper grounding arm 37 and the lower grounding arm 38 are respectively located on the front side and the back side of the substrate 31, and at least part of the projections of the upper grounding arm and the lower grounding arm overlap in the vertical direction; moreover, the upper grounding arm 37 is formed on the substrate 31 by means of tear molding, so that both the front and rear ends of the upper grounding arm 37 are integrally connected with the substrate 31, and the substrate 31 is provided with a slot 312 left by tear molding at a position right below the upper grounding arm 37, and the two upper grounding arms 37 extend in parallel with each other; the front end of the lower grounding arm 38 is a free end, which is not integrally connected to the substrate 31, but is connected to the back surface 36 of the substrate 31 in a lap joint manner, and the rear end of the lower grounding arm 38 is integrally connected to the U-shaped bent arm 39. The upper grounding arms 37 are located at the first and last sides of the upper row of terminals 210 and are parallel to the upper row of terminals 210, and the lower grounding arms 38 are located at the first and last sides of the lower row of terminals 220 and are parallel to the lower row of terminals 220. Thus, the isolating plate 30 not only has the function of isolating the upper and lower row terminals 220, but also increases the upper and lower grounding arms 37, 38 exposed on the top surface 120 and the bottom surface 121 of the tongue butt joint plate 12, and acts as grounding elements for the upper row terminal 210 arrangement and the lower row terminal 220 arrangement, thereby effectively improving signal transmission, and the upper and lower grounding arms 37, 38 and the substrate 31 are integrated, thereby ensuring the stability of grounding connection and meeting the requirement of high-frequency transmission.

To sum up, the utility model discloses an improvement division board's structure makes it increase and extends the upper and lower ground arm in the terminal range of entering, acts as ground element, the signal transmission of better assurance terminal.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention.

Claims (9)

1. An electric connector comprises an insulating body, a terminal group and a separation plate, wherein the terminal group and the separation plate are contained in the insulating body, the terminal group comprises a plurality of upper row terminals and a plurality of lower row terminals, and the separation plate is arranged between the upper row terminals and the lower row terminals.

2. The electrical connector of claim 1, wherein: the isolation board is provided with a substrate, the substrate is provided with a front surface facing the upper row of terminals and a back surface facing the lower row of terminals, the upper grounding arm protrudes upwards from the front surface and extends forwards in a long strip shape from the back, and two ends of the upper grounding arm are integrally connected with the substrate.

3. The electrical connector of claim 2, wherein: the base plate is equipped with the slot under last ground connection arm position, go up ground connection arm and the one-to-one setting along vertical direction with lower ground connection arm, the slot is located between last ground connection arm and the lower ground connection arm.

4. The electrical connector of claim 3, wherein: the upper grounding arms are formed on two sides of the front surface of the substrate in a tearing and forming mode.

5. The electrical connector of claim 4, wherein: the lower grounding arm is positioned below the substrate and extends forwards in a strip shape from back to front, the rear end of the lower grounding arm is integrally connected with the substrate through a U-shaped bending arm, and the front end of the lower grounding arm is a free tail end.

6. The electrical connector of claim 5, wherein: the upper grounding arm and the lower grounding arm are at least partially overlapped in projection in the vertical direction.

7. The electrical connector of claim 6, wherein: the insulating body is provided with a butt-joint tongue plate, the butt-joint tongue plate is provided with a top surface and a bottom surface, the upper rows of terminals and the upper grounding arms are arranged on the top surface, and the lower rows of terminals and the lower grounding arms are arranged on the bottom surface.

8. The electrical connector of claim 7, wherein: the isolation board is further provided with a first mounting foot, a second mounting foot and a third mounting foot which extend from the rear end of the substrate, the first mounting foot and the second mounting foot extend from the edge of the rear end of the substrate and are distributed along the front direction and the rear direction, and the third mounting foot extends outwards from the edges of two sides of the substrate.

9. The electrical connector of claim 8, wherein: the edge of the front end of the substrate is provided with a notch formed by sinking backwards, and the substrate is also provided with a long and narrow opening penetrating through the front surface and the back surface in the vertical direction.

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