CN210779304U

CN210779304U - Electrical connector

Info

Publication number: CN210779304U
Application number: CN201921860358.6U
Authority: CN
Inventors: 曾波; 姚宏江; 方志宏
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-16
Anticipated expiration: 2029-10-31

Abstract

The utility model provides an electric connector, include insulator and accept terminal group in insulator, terminal group includes a plurality of row's of going up terminal and a plurality of row's of arranging terminal down, go up the row's of going up terminal and arrange the same and the one-to-one setting in vertical direction of terminal quantity down, it is equipped with the last contact arm that the level extends to go up the row's of terminal, it is equipped with the lower contact arm that the level extends to arrange the terminal down, and there are partial position overlapping, the distribution that partial position staggers in the upper contact arm and the lower contact arm of two mutual correspondences in vertical direction. Compared with the prior art, the utility model discloses a structure of arranging the terminal about the improvement makes it stagger on vertical direction, the part overlaps, especially at electrical contact area, overlaps about keeping, and non-contact area keeps staggering from top to bottom, and such design helps technology production, can make and go up to arrange the terminal, arrange the terminal and carry out holistic injection molding after the division board combination down and glue, can save process flow, reduction in production cost.

Description

Electrical connector

Technical Field

The utility model relates to an electric connector field.

Background

The existing Type C USB connector generally has an insulating body and fixes the upper row of terminals and the lower row of terminals on the insulating body, the upper row of terminals and the lower row of terminals are the same in quantity and are arranged in a one-to-one correspondence mode, the upper row of terminals and the lower row of terminals are distributed in an overlapped mode in the vertical direction, the structural design enables the production process to be relatively complex, integral injection molding sealing glue cannot be conducted during production, the upper row of terminals and the lower row of terminals are required to be formed into semi-finished products after injection molding respectively, then semi-finished product assembly is conducted, secondary injection molding is conducted again, and finally finished product assembly is conducted, and the whole process flow is relatively complex. In addition, the design of the upper and lower rows of terminals that are completely overlapped also adversely affects the high-quality transmission of signals, and tends to affect the transmission quality of signals.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric connector combination to improve among the prior art at least one problem in terminal signal transmission quality is not good, the complicated scheduling problem of process flow.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides an electric connector, includes insulator and accepts terminal group in insulator, terminal group includes a plurality of rows of terminals and a plurality of row of terminal down, go up row of terminal and the same and the one-to-one setting in vertical direction of terminal quantity down, it is equipped with the last contact arm of horizontal extension to go up row of terminal, it is equipped with the lower contact arm of horizontal extension to arrange the terminal down, and there are some position overlap, the distribution that some position stagger in vertical direction in two last contact arms that correspond each other and lower contact arm.

Furthermore, the upper contact arm extends forwards from the back, and is provided with an upper main arm and an upper offset arm extending forwards from the front end of the upper main arm; the lower contact arm extends forwards from the back, and is provided with a lower main arm and a lower deflection arm extending forwards from the front end of the lower main arm.

Further, the upper main arm and the lower main arm are arranged in a staggered mode in the vertical direction, so that the projections of the upper main arm and the lower main arm are not overlapped.

Further, the upper offset arm and the lower offset arm extend in opposite directions from the front ends of the upper main arm and the lower main arm, respectively, so that the projections of the upper offset arm and the lower offset arm in the vertical direction overlap.

Furthermore, the front end of the upper contact arm is provided with an upper embedded part formed by bending, the front end of the lower contact arm is provided with a lower embedded part formed by bending, and the upper embedded part and the lower embedded part are respectively embedded in the insulating body.

Further, go up the portion of burying and be equipped with the upper limit arm of erroneous tendency left side, the portion of burying is equipped with the lower limit arm of erroneous tendency right side down, just upper limit arm and lower limit arm present the setting of staggering in vertical direction.

Furthermore, the upper embedded part is formed by bending the front end of the upper contact arm downwards, and the lower embedded part is formed by bending the front end of the lower contact arm upwards.

Furthermore, the electrical connector further comprises a separation plate between the upper row of terminals and the lower row of 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 of terminals are positioned in the same plane and at two sides of the plurality of upper row of terminals, and the lower grounding arms and the plurality of lower row of terminals are positioned in the same plane and at two sides of the plurality of lower row of terminals.

Furthermore, the upper grounding arm is formed on the isolation plate in a tearing and forming mode, and two ends of the upper grounding arm are integrally connected with the isolation plate; the lower grounding arm is arranged corresponding to the upper grounding arm in the vertical direction.

Compared with the prior art, the utility model discloses a structure of arranging the terminal about the improvement makes it stagger on vertical direction, the part overlaps, especially at electrical contact area, overlaps about keeping, and non-contact area keeps staggering from top to bottom, and such design helps technology production, can make and go up to arrange the terminal, arrange the terminal and carry out holistic injection molding after the division board combination down and glue, can save process flow, reduction in production cost.

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 upper offset arm 215 and the lower offset arm 225 are respectively arranged in a staggered manner in the opposite direction from the front ends of the upper main arm 214 and the lower main arm 224, so that in the vertical direction, the projections of the upper offset arm 215 and the lower offset arm 225 are overlapped, that is, for the upper row terminal 210 and the lower row terminal 220 corresponding to each other, 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 are not overlapped, and 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 vertical direction.

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 a structure of arranging the terminal about the improvement makes it stagger on vertical direction, the part overlaps, especially at the electric contact area, overlaps about keeping, and non-contact area keeps staggering from top to bottom, and such design helps technology production, can make the row of going up terminal, arrange the terminal and the baffle combination back carries out holistic injection molding to seal the glue, can save process flow, reduction in production cost.

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

1. The utility model provides an electric connector, includes insulator and accepts terminal group in insulator, terminal group includes a plurality of rows of terminal and a plurality of row of terminal down, go up row terminal and arrange the same and in the vertical direction one-to-one setting of terminal quantity down, its characterized in that, it is equipped with the upper contact arm of horizontal extension to go up row terminal, it is equipped with the lower contact arm of horizontal extension to arrange the terminal down, and there are partial position overlapping, the distribution that partial position staggers in vertical direction in two upper contact arm and the lower contact arm that correspond each other.

2. The electrical connector of claim 1, wherein: the upper contact arm extends forwards from the back, and is provided with an upper main arm and an upper offset arm extending forwards from the front end of the upper main arm; the lower contact arm extends forwards from the back, and is provided with a lower main arm and a lower deflection arm extending forwards from the front end of the lower main arm.

3. The electrical connector of claim 2, wherein: the upper main arm and the lower main arm are arranged in a staggered mode in the vertical direction, so that the projections of the upper main arm and the lower main arm are not overlapped.

4. The electrical connector of claim 3, wherein: the upper offset arm and the lower offset arm extend in a manner of deviating from the front ends of the upper main arm and the lower main arm in opposite directions, so that the projections of the upper offset arm and the lower offset arm in the vertical direction are overlapped.

5. The electrical connector of claim 4, wherein: the front end of the upper contact arm is provided with an upper embedded part formed by bending, the front end of the lower contact arm is provided with a lower embedded part formed by bending, and the upper embedded part and the lower embedded part are respectively embedded in the insulating body.

6. The electrical connector of claim 5, wherein: go up the portion of burying and be equipped with the upper limit arm of erroneous tendency left, the portion of burying is equipped with the lower limit arm of erroneous tendency right side down, just go up limit arm and lower limit arm and present the setting of staggering in vertical direction.

7. The electrical connector of claim 6, wherein: the upper embedded part is formed by bending the front end of the upper contact arm downwards, and the lower embedded part is formed by bending the front end of the lower contact arm upwards.

8. The electrical connector of any one of claims 1 to 7, wherein: the electric connector also comprises a separation plate between the upper row of terminals and the lower row of 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 of terminals are positioned in the same plane and at two sides of the plurality of upper row of terminals, and the lower grounding arms and the plurality of lower row of terminals are positioned in the same plane and at two sides of the plurality of lower row of terminals.

9. The electrical connector of claim 8, wherein: the upper grounding arm is formed on the isolation plate in a tearing and forming mode, and two ends of the upper grounding arm are integrally connected with the isolation plate; the lower grounding arm is arranged corresponding to the upper grounding arm in the vertical direction.